+++ /dev/null
-(^|/)Makefile$
-(^|/)Makefile.in$
-/.deps/
-/.libs/
-\.DS_Store$
-\.la$
-\.lo$
-\.o$
-\.pc$
-^GPATH$
-^GRTAGS$
-^GTAGS$
-^aclocal.m4$
-^autom4te\.cache/
-^build
-^compile$
-^config\.(guess|h|h\.in|log|status|sub)$
-^configure$
-^cov-int$
-^depcomp$
-^examples/in-memory$
-^install-sh$
-^lib/zip_err_str\.c$
-^lib/zipconf\.h$
-^libtool$
-^ltmain.sh$
-^m4/libtool.m4$
-^m4/ltoptions.m4$
-^m4/ltsugar.m4$
-^m4/ltversion.m4$
-^m4/lt~obsolete.m4$
-^man/.*\.html$
-^man/.*\.man$
-^man/at\.nih\.libzip\.docset/
-^man/at.nih.libzip-.*\.xar$
-^man/at.nih.libzip.*\.atom$
-^missing$
-^regress/.*log$
-^regress/.*trs$
-^regress/add_from_filep$
-^regress/bigzero.zip$
-^regress/fopen_unchanged$
-^regress/fread$
-^regress/fseek$
-^regress/nonrandomopentest$
-^regress/manyfiles.zip$
-^regress/manyfiles-133000.zip$
-^regress/manyfiles-65536.zip$
-^regress/manyfiles-fewer.zip$
-^regress/manyfiles-more.zip$
-^regress/manyfiles-zip64-modulo.zip$
-^regress/manyfiles-zip64.zip$
-^regress/runtest$
-^regress/tryopen$
-^src/hole$
-^src/zipcmp$
-^src/zipmerge$
-^src/ziptool$
-^stamp-h1$
-^test-driver$
-^xcode/libzip\.xcodeproj/project\.xcworkspace/xcuserdata
-^xcode/libzip\.xcodeproj/xcuserdata/
-~$
-^.git
-^.gitignore
-.tar.bz2$
-.tar.gz$
-.tar.xz$
+++ /dev/null
-e5ac19fb4c5bea4a42ca62c10f6499b7f25538bc rel-0-8
-1c04fdb0f57bbb8e3823eb52b541ca2d8a348fde rel-0-9
-305c067cba3a04d11e95c7cd1e0ae55d662620ee rel-0-9-1
-a523a1da577163bb4255d0f670444964bbf9d43e rel-0-9-2
-a3023e707845ef0d87b9cb33cb3c330afbb5a3c3 rel-0-9-3
-70e00fa4feefae33235b72c072c30c90f76b8204 rel-0-10
-cb69d6146a09acd15af55d27eb7fe910b59dbe60 rel-0-10-1
-20242e19f6b57bdcbdceb98b422e81aef5611db4 rel-0-11
-6aa6fa05cd0bd9adfee8fab32dbacafa687a513b rel-0-11-1
-7ce71a0ca2b3bcd5fbdbef31f2523834d1d697ca rel-0-11-2
-c9d841a87266e0699f19ed2c91a9289e4a999b6e rel-1-0-beta1
-4a0158ebd70ab4f64bf8ec6f351a1c2019f4fb23 rel-1-0
-19018f1628ab3932385b91d20e99d1368a04da3a rel-1-0-1
-b0b4673045e1560293826ab56d8c7e3aa27dbb7a rel-1-1
-ddc1d1fb3194ceed50ca1d8db2cf6f1291ac5629 rel-1-1-1
-8ca6b46cc7510d849000d0058f6c4021d4f15ed1 rel-1-1-2
-61b0bc44c60b904afc594d58348a3c0936528026 rel-1-1-3
-bdc57015a9a903b1ec935295d77e54cb90800b3f brian-gladman-fcrypt-2008-11-18
-aefb3263e2449b0b62095b2e50e9010d073fb670 s
-aefb3263e2449b0b62095b2e50e9010d073fb670 s
-0000000000000000000000000000000000000000 s
-c43a9681c5ca2d577636a75dc1f29b384c82f51a rel-1-2-0
-1863a86ceda84a68b6eba34dfff5fc15f1f65ea8 rel-1-3-0
-6e80ae292bc56c1749d26a1ba20e8e4c8c036fe5 rel-1-3-1
-d5963473a0bac25adca83505cb6ac701538b53b6 rel-1-3-2
-d5963473a0bac25adca83505cb6ac701538b53b6 rel-1-3-2
-0000000000000000000000000000000000000000 rel-1-3-2
+++ /dev/null
-language: c
-compiler:
- - clang
- - gcc
-os:
- - linux
- - osx
-before_install:
- - if [ "$TRAVIS_OS_NAME" != "linux" ]; then
- brew update;
- brew uninstall libtool;
- brew install libtool;
- fi
-script:
- - autoreconf -fiv
- - ./configure
- - make
- - make check
+++ /dev/null
-* libzip API changes
-
-This file describes changes in the libzip API and how to adapt your
-code for them.
-
-You can define ZIP_DISABLE_DEPRECATED before including <zip.h> to hide
-prototypes for deprecated functions, to find out about functions that
-might be removed at some point.
-
-* 1.0
-
-** new type zip_error_t
-
-Error information is stored in the newly public type zip_error_t. Use
-this to access information about an error, instead of the deprecated
-functions that operated on two ints.
-
-deprecated functions: zip_error_get_sys_type(), zip_error_get(),
-zip_error_to_str(), zip_file_error_get()
-
-See their man pages for instructions on how to replace them.
-
-The most common affected use is zip_open. The new recommended usage
-is:
-
-int err;
-if ((za = zip_open(archive, flags, &err)) == NULL) {
- zip_error_t error;
- zip_error_init_with_code(&error, err);
- fprintf(stderr, "can't open zip archive '%s': %s\n", archive, zip_error_strerror(&error));
- zip_error_fini(&error);
-}
-
-** more typedefs
-
-The following typedefs have been added for better readability:
-
-typedef struct zip zip_t;
-typedef struct zip_file zip_file_t;
-typedef struct zip_source zip_source_t;
-typedef struct zip_stat zip_stat_t;
-
-This means you can use "zip_t" instead of "struct zip", etc.
-
-
-** torrentzip support removed
-
-torrentzip depends on a particular zlib version which is by now quite
-old.
-
-* 0.11
-
-** new type zip_flags_t
-
-The functions which have flags now use the zip_flags_t type for this.
-All old flags fit; you need code only to adapt if you were saving flags in a
-local variable. Use zip_flags_t for such a variable.
-This affects:
-zip_fopen()
-zip_fopen_encrypted()
-zip_fopen_index()
-zip_fopen_index_encrypted()
-zip_get_archive_comment()
-zip_get_archive_flag()
-zip_get_num_entries()
-zip_get_name()
-zip_name_locate()
-zip_set_archive_flag()
-zip_source_zip()
-zip_stat()
-zip_stat_index()
-
-*** ZIP_FL_*, ZIP_AFL_*, ZIP_STAT_* are now unsigned constants
-
-To match the new zip_flags_t type.
-
-*** zip_add(), zip_add_dir()
-
-These functions were replaced with zip_file_add() and zip_dir_add(), respectively,
-to add a flags argument.
-
-*** zip_rename(), zip_replace()
-
-These functions were replaced with zip_file_rename() and zip_file_replace(),
-respectively, to add a flags argument.
-
-*** zip_get_file_comment()
-
-This function was replaced with zip_file_get_comment(); one argument was promoted from
-int to zip_uint32_t, the other is now a zip_flags_t.
-
-*** zip_set_file_comment()
-
-This function was replaced with zip_file_set_comment(); an argument was promoted from
-int to zip_uint16_t, and a zip_flags_t argument was added.
-
-** integer type size changes
-
-Some argument and return values were not the right size or sign.
-
-*** zip_name_locate()
-
-The return value was int, which can be too small. The function now returns zip_int64_t.
-
-
-*** zip_get_num_entries()
-
-The return type is now signed, to allow signaling errors.
-
-*** zip_set_archive_comment()
-
-The last argument changed from int to zip_uint16_t.
-
-** extra field handling rewritten
-
-The zip_get_file_extra() and zip_set_file_extra() functions were removed.
-They only worked on the whole extra field set.
-
-Instead, you can now set, get, count, and delete each extra field separately,
-using the functions:
-zip_file_extra_field_delete()
-zip_file_extra_field_delete_by_id()
-zip_file_extra_field_get()
-zip_file_extra_field_get_by_id()
-zip_file_extra_fields_count()
-zip_file_extra_fields_count_by_id()
-zip_file_extra_field_set()
-Please read the corresponding man pages for details.
-
-** new functions
-
-*** zip_discard()
-
-The new zip_discard() function closes an archive without committing the
-scheduled changes.
-
-*** zip_set_file_compression()
-
-The new zip_set_file_compression() function allows setting compression
-levels for files.
-
-** argument changes
-
-*** file names
-
-File names arguments are now allowed to be NULL to have an empty file name.
-This mostly affects zip_file_add(), zip_dir_add(), and zip_file_rename().
-
-For zip_get_name(), zip_file_get_comment(), and zip_get_archive_comment(), if
-the file name or comment is empty, a string of length 0 is returned.
-NULL is returned for errors only.
-
-Previously, NULL was returned for empty/unset file names and comments and
-errors, leaving no way to differentiate between the two.
-
-/* Local Variables: */
-/* mode: org */
-/* End: */
-
--- /dev/null
+# libzip API changes
+
+This file describes changes in the libzip API and how to adapt your
+code for them.
+
+You can define `ZIP_DISABLE_DEPRECATED` before including `<zip.h>` to hide
+prototypes for deprecated functions, to find out about functions that
+might be removed at some point.
+
+## Changed in libzip-1.0
+
+### new type `zip_error_t`
+
+Error information is stored in the newly public type `zip_error_t`. Use
+this to access information about an error, instead of the deprecated
+functions that operated on two ints.
+
+deprecated functions:
+- `zip_error_get_sys_type()`
+- `zip_error_get()`
+- `zip_error_to_str()`
+- `zip_file_error_get()`
+
+See their man pages for instructions on how to replace them.
+
+The most common affected use is `zip_open`. The new recommended usage
+is:
+
+```c
+int err;
+if ((za = zip_open(archive, flags, &err)) == NULL) {
+ zip_error_t error;
+ zip_error_init_with_code(&error, err);
+ fprintf(stderr, "can't open zip archive '%s': %s\n", archive, zip_error_strerror(&error));
+ zip_error_fini(&error);
+}
+```
+
+### more typedefs
+
+The following typedefs have been added for better readability:
+
+```c
+typedef struct zip zip_t;
+typedef struct zip_file zip_file_t;
+typedef struct zip_source zip_source_t;
+typedef struct zip_stat zip_stat_t;
+```
+
+This means you can use "`zip_t`" instead of "`struct zip`", etc.
+
+
+### torrentzip support removed
+
+torrentzip depends on a particular zlib version which is by now quite
+old.
+
+## Changed in libzip-0.11
+
+### new type `zip_flags_t`
+
+The functions which have flags now use the `zip_flags_t` type for this.
+All old flags fit; you need only to adapt code if you were saving flags in a
+local variable. Use `zip_flags_t` for such a variable.
+This affects:
+- `zip_fopen()`
+- `zip_fopen_encrypted()`
+- `zip_fopen_index()`
+- `zip_fopen_index_encrypted()`
+- `zip_get_archive_comment()`
+- `zip_get_archive_flag()`
+- `zip_get_num_entries()`
+- `zip_get_name()`
+- `zip_name_locate()`
+- `zip_set_archive_flag()`
+- `zip_source_zip()`
+- `zip_stat()`
+- `zip_stat_index()`
+
+#### `ZIP_FL_*`, `ZIP_AFL_*`, `ZIP_STAT_*` are now unsigned constants
+
+To match the new `zip_flags_t` type.
+
+#### `zip_add()`, `zip_add_dir()`
+
+These functions were replaced with `zip_file_add()` and `zip_dir_add()`, respectively,
+to add a flags argument.
+
+#### `zip_rename()`, `zip_replace()`
+
+These functions were replaced with `zip_file_rename()` and `zip_file_replace()`,
+respectively, to add a flags argument.
+
+#### `zip_get_file_comment()`
+
+This function was replaced with `zip_file_get_comment()`; one argument was promoted from
+`int` to `zip_uint32_t`, the other is now a `zip_flags_t`.
+
+#### `zip_set_file_comment()`
+
+This function was replaced with `zip_file_set_comment()`; an argument was promoted from
+`int` to `zip_uint16_t`, and a `zip_flags_t` argument was added.
+
+### integer type size changes
+
+Some argument and return values were not the right size or sign.
+
+#### `zip_name_locate()`
+
+The return value was `int`, which can be too small. The function now returns `zip_int64_t`.
+
+
+#### `zip_get_num_entries()`
+
+The return type is now signed, to allow signaling errors.
+
+#### `zip_set_archive_comment()`
+
+The last argument changed from `int` to `zip_uint16_t`.
+
+### extra field handling rewritten
+
+The `zip_get_file_extra()` and `zip_set_file_extra()` functions were removed.
+They only worked on the whole extra field set.
+
+Instead, you can now set, get, count, and delete each extra field separately,
+using the functions:
+- `zip_file_extra_field_delete()`
+- `zip_file_extra_field_delete_by_id()`
+- `zip_file_extra_field_get()`
+- `zip_file_extra_field_get_by_id()`
+- `zip_file_extra_fields_count()`
+- `zip_file_extra_fields_count_by_id()`
+- `zip_file_extra_field_set()`
+
+Please read the corresponding man pages for details.
+
+### new functions
+
+#### `zip_discard()`
+
+The new `zip_discard()` function closes an archive without committing the
+scheduled changes.
+
+#### `zip_set_file_compression()`
+
+The new `zip_set_file_compression()` function allows setting compression
+levels for files.
+
+### argument changes
+
+#### file names
+
+File names arguments are now allowed to be `NULL` to have an empty file name.
+This mostly affects `zip_file_add()`, `zip_dir_add()`, and `zip_file_rename()`.
+
+For `zip_get_name()`, `zip_file_get_comment()`, and `zip_get_archive_comment()`, if
+the file name or comment is empty, a string of length 0 is returned.
+`NULL` is returned for errors only.
+
+Previously, `NULL` was returned for empty/unset file names and comments and
+errors, leaving no way to differentiate between the two.
INCLUDE(TestBigEndian)
INCLUDE(GNUInstallDirs)
+OPTION(BUILD_SHARED_LIBS "Build shared libraries" ON)
+
SET(PACKAGE "libzip")
SET(PACKAGE_NAME ${PACKAGE})
SET(PACKAGE_VERSION_MAJOR "1")
-SET(PACKAGE_VERSION_MINOR "3")
-SET(PACKAGE_VERSION_PATCH "2")
+SET(PACKAGE_VERSION_MINOR "4")
+SET(PACKAGE_VERSION_MICRO "0")
#SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}")
-SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE_VERSION_PATCH}")
+SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE_VERSION_MICRO}")
SET(PACKAGE_VERSION ${VERSION})
+SET(LIBZIP_VERSION ${PACKAGE_VERSION})
+SET(LIBZIP_VERSION_MAJOR ${PACKAGE_VERSION_MAJOR})
+SET(LIBZIP_VERSION_MINOR ${PACKAGE_VERSION_MINOR})
+SET(LIBZIP_VERSION_MICRO ${PACKAGE_VERSION_MICRO})
SET(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
+SET(ARCHIVE_NAME ${PACKAGE_NAME}-${PACKAGE_VERSION})
+ADD_CUSTOM_TARGET(dist
+ COMMAND git config tar.tar.xz.command "xz -c"
+ COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.gz HEAD
+ COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.xz HEAD
+ WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+ )
+IF(BUILD_SHARED_LIBS)
+ SET(HAVE_SHARED TRUE)
+ELSE()
+ SET(ZIP_STATIC TRUE)
+ENDIF()
+
# Checks
CHECK_FUNCTION_EXISTS(_chmod HAVE__CHMOD)
CHECK_FUNCTION_EXISTS(_strtoui64 HAVE__STRTOUI64)
CHECK_FUNCTION_EXISTS(_umask HAVE__UMASK)
CHECK_FUNCTION_EXISTS(_unlink HAVE__UNLINK)
+CHECK_FUNCTION_EXISTS(clonefile HAVE_CLONEFILE)
CHECK_FUNCTION_EXISTS(explict_bzero HAVE_EXPLICIT_BZERO)
CHECK_FUNCTION_EXISTS(explicit_memset HAVE_EXPLICIT_MEMSET)
CHECK_FUNCTION_EXISTS(fileno HAVE_FILENO)
FIND_PACKAGE(ZLIB REQUIRED)
INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
-set(CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIR})
+SET(CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIR})
IF(ZLIB_VERSION_STRING VERSION_LESS "1.1.2")
MESSAGE(FATAL_ERROR "-- ZLIB version too old, please install at least v1.1.2")
ENDIF(ZLIB_VERSION_STRING VERSION_LESS "1.1.2")
ADD_DEFINITIONS("-D_CRT_NONSTDC_NO_DEPRECATE")
ENDIF(MSVC)
+if(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
+ ADD_DEFINITIONS(-DMS_UWP)
+ SET (OPTIONAL_LIBRARY "${OPTIONAL_LIBRARY}" bcrypt)
+endif(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
+
ADD_DEFINITIONS("-DHAVE_CONFIG_H")
# rpath handling: use rpath in installed binaries
SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+# Testing
+ENABLE_TESTING()
+
# Targets
ADD_SUBDIRECTORY(lib)
ADD_SUBDIRECTORY(man)
SET(LIBS "${LIBS} -lz")
IF(CMAKE_SYSTEM_NAME MATCHES BSD)
SET(PKG_CONFIG_RPATH "-Wl,-R\${libdir}")
-ENDif(CMAKE_SYSTEM_NAME MATCHES BSD)
+ENDIF(CMAKE_SYSTEM_NAME MATCHES BSD)
CONFIGURE_FILE(libzip.pc.in libzip.pc @ONLY)
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libzip.pc DESTINATION lib/pkgconfig)
# write out config file
-CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/cmake-config.h.in
- ${CMAKE_CURRENT_BINARY_DIR}/config.h)
-CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/cmake-zipconf.h.in
- ${CMAKE_CURRENT_BINARY_DIR}/zipconf.h)
+CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/cmake-config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h)
+CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/cmake-zipconf.h.in ${CMAKE_CURRENT_BINARY_DIR}/zipconf.h)
# for tests
FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
)
+
# installation
-INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/zipconf.h DESTINATION lib/libzip/include)
+INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/zipconf.h DESTINATION include)
+++ /dev/null
-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software
-Foundation, Inc.
-
- This file is free documentation; the Free Software Foundation gives
-unlimited permission to copy, distribute and modify it.
-
-Basic Installation
-==================
-
- These are generic installation instructions.
-
- The `configure' shell script attempts to guess correct values for
-various system-dependent variables used during compilation. It uses
-those values to create a `Makefile' in each directory of the package.
-It may also create one or more `.h' files containing system-dependent
-definitions. Finally, it creates a shell script `config.status' that
-you can run in the future to recreate the current configuration, and a
-file `config.log' containing compiler output (useful mainly for
-debugging `configure').
-
- It can also use an optional file (typically called `config.cache'
-and enabled with `--cache-file=config.cache' or simply `-C') that saves
-the results of its tests to speed up reconfiguring. (Caching is
-disabled by default to prevent problems with accidental use of stale
-cache files.)
-
- If you need to do unusual things to compile the package, please try
-to figure out how `configure' could check whether to do them, and mail
-diffs or instructions to the address given in the `README' so they can
-be considered for the next release. If you are using the cache, and at
-some point `config.cache' contains results you don't want to keep, you
-may remove or edit it.
-
- The file `configure.ac' (or `configure.in') is used to create
-`configure' by a program called `autoconf'. You only need
-`configure.ac' if you want to change it or regenerate `configure' using
-a newer version of `autoconf'.
-
-The simplest way to compile this package is:
-
- 1. `cd' to the directory containing the package's source code and type
- `./configure' to configure the package for your system. If you're
- using `csh' on an old version of System V, you might need to type
- `sh ./configure' instead to prevent `csh' from trying to execute
- `configure' itself.
-
- Running `configure' takes awhile. While running, it prints some
- messages telling which features it is checking for.
-
- 2. Type `make' to compile the package.
-
- 3. Optionally, type `make check' to run any self-tests that come with
- the package.
-
- 4. Type `make install' to install the programs and any data files and
- documentation.
-
- 5. You can remove the program binaries and object files from the
- source code directory by typing `make clean'. To also remove the
- files that `configure' created (so you can compile the package for
- a different kind of computer), type `make distclean'. There is
- also a `make maintainer-clean' target, but that is intended mainly
- for the package's developers. If you use it, you may have to get
- all sorts of other programs in order to regenerate files that came
- with the distribution.
-
-Compilers and Options
-=====================
-
- Some systems require unusual options for compilation or linking that
-the `configure' script does not know about. Run `./configure --help'
-for details on some of the pertinent environment variables.
-
- You can give `configure' initial values for configuration parameters
-by setting variables in the command line or in the environment. Here
-is an example:
-
- ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix
-
- *Note Defining Variables::, for more details.
-
-Compiling For Multiple Architectures
-====================================
-
- You can compile the package for more than one kind of computer at the
-same time, by placing the object files for each architecture in their
-own directory. To do this, you must use a version of `make' that
-supports the `VPATH' variable, such as GNU `make'. `cd' to the
-directory where you want the object files and executables to go and run
-the `configure' script. `configure' automatically checks for the
-source code in the directory that `configure' is in and in `..'.
-
- If you have to use a `make' that does not support the `VPATH'
-variable, you have to compile the package for one architecture at a
-time in the source code directory. After you have installed the
-package for one architecture, use `make distclean' before reconfiguring
-for another architecture.
-
-Installation Names
-==================
-
- By default, `make install' will install the package's files in
-`/usr/local/bin', `/usr/local/man', etc. You can specify an
-installation prefix other than `/usr/local' by giving `configure' the
-option `--prefix=PATH'.
-
- You can specify separate installation prefixes for
-architecture-specific files and architecture-independent files. If you
-give `configure' the option `--exec-prefix=PATH', the package will use
-PATH as the prefix for installing programs and libraries.
-Documentation and other data files will still use the regular prefix.
-
- In addition, if you use an unusual directory layout you can give
-options like `--bindir=PATH' to specify different values for particular
-kinds of files. Run `configure --help' for a list of the directories
-you can set and what kinds of files go in them.
-
- If the package supports it, you can cause programs to be installed
-with an extra prefix or suffix on their names by giving `configure' the
-option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
-
-Optional Features
-=================
-
- Some packages pay attention to `--enable-FEATURE' options to
-`configure', where FEATURE indicates an optional part of the package.
-They may also pay attention to `--with-PACKAGE' options, where PACKAGE
-is something like `gnu-as' or `x' (for the X Window System). The
-`README' should mention any `--enable-' and `--with-' options that the
-package recognizes.
-
- For packages that use the X Window System, `configure' can usually
-find the X include and library files automatically, but if it doesn't,
-you can use the `configure' options `--x-includes=DIR' and
-`--x-libraries=DIR' to specify their locations.
-
-Specifying the System Type
-==========================
-
- There may be some features `configure' cannot figure out
-automatically, but needs to determine by the type of machine the package
-will run on. Usually, assuming the package is built to be run on the
-_same_ architectures, `configure' can figure that out, but if it prints
-a message saying it cannot guess the machine type, give it the
-`--build=TYPE' option. TYPE can either be a short name for the system
-type, such as `sun4', or a canonical name which has the form:
-
- CPU-COMPANY-SYSTEM
-
-where SYSTEM can have one of these forms:
-
- OS KERNEL-OS
-
- See the file `config.sub' for the possible values of each field. If
-`config.sub' isn't included in this package, then this package doesn't
-need to know the machine type.
-
- If you are _building_ compiler tools for cross-compiling, you should
-use the `--target=TYPE' option to select the type of system they will
-produce code for.
-
- If you want to _use_ a cross compiler, that generates code for a
-platform different from the build platform, you should specify the
-"host" platform (i.e., that on which the generated programs will
-eventually be run) with `--host=TYPE'.
-
-Sharing Defaults
-================
-
- If you want to set default values for `configure' scripts to share,
-you can create a site shell script called `config.site' that gives
-default values for variables like `CC', `cache_file', and `prefix'.
-`configure' looks for `PREFIX/share/config.site' if it exists, then
-`PREFIX/etc/config.site' if it exists. Or, you can set the
-`CONFIG_SITE' environment variable to the location of the site script.
-A warning: not all `configure' scripts look for a site script.
-
-Defining Variables
-==================
-
- Variables not defined in a site shell script can be set in the
-environment passed to `configure'. However, some packages may run
-configure again during the build, and the customized values of these
-variables may be lost. In order to avoid this problem, you should set
-them in the `configure' command line, using `VAR=value'. For example:
-
- ./configure CC=/usr/local2/bin/gcc
-
-will cause the specified gcc to be used as the C compiler (unless it is
-overridden in the site shell script).
-
-`configure' Invocation
-======================
-
- `configure' recognizes the following options to control how it
-operates.
-
-`--help'
-`-h'
- Print a summary of the options to `configure', and exit.
-
-`--version'
-`-V'
- Print the version of Autoconf used to generate the `configure'
- script, and exit.
-
-`--cache-file=FILE'
- Enable the cache: use and save the results of the tests in FILE,
- traditionally `config.cache'. FILE defaults to `/dev/null' to
- disable caching.
-
-`--config-cache'
-`-C'
- Alias for `--cache-file=config.cache'.
-
-`--quiet'
-`--silent'
-`-q'
- Do not print messages saying which checks are being made. To
- suppress all normal output, redirect it to `/dev/null' (any error
- messages will still be shown).
-
-`--srcdir=DIR'
- Look for the package's source code in directory DIR. Usually
- `configure' can determine that directory automatically.
-
-`configure' also accepts some other, not widely useful, options. Run
-`configure --help' for more details.
-
--- /dev/null
+libzip uses [cmake](https://cmake.org) to build.
+
+For running the tests, you need to have [perl](https://www.perl.org).
+
+You'll need [zlib](http://www.zlib.net/) (at least version 1.1.2). It
+comes with most operating systems.
+
+For supporting bzip2-compressed zip archives, you need
+[bzip2](http://bzip.org/).
+
+The basic usage is
+```sh
+mkdir build
+cd build
+cmake ..
+make
+make test
+make install
+```
+
+Some useful parameters you can pass to `cmake` with `-Dparameter=value`:
+- `BUILD_SHARED_LIBS`: set to `ON` or `OFF` to enable/disable building
+ of shared libraries, defaults to `ON`
+- `CMAKE_INSTALL_PREFIX`: for setting the installation path
+
+You can get verbose build output with by passing `VERBOSE=1` to `make`.
+
+You can also check the [cmake FAQ](https://cmake.org/Wiki/CMake_FAQ).
-Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
The authors can be contacted at <libzip@nih.at>
+++ /dev/null
-# not GPL, thus no COPYING
-AUTOMAKE_OPTIONS=dist-xz foreign
-
-ACLOCAL_AMFLAGS= -I m4
-
-SUBDIRS=lib man src regress examples
-
-pkgconfigdir = $(libdir)/pkgconfig
-pkgconfig_DATA = libzip.pc
-
-EXTRA_DIST= API-CHANGES \
- CMakeLists.txt \
- LICENSE \
- NEWS.md \
- README.md \
- TODO.md \
- cmake-config.h.in \
- cmake-zipconf.h.in \
- libzip-uninstalled.pc.in \
- libzip.pc.in \
- m4
-
-not-dist-hook:
- mkdir $(distdir)/xcode
- mkdir $(distdir)/xcode/libzip.xcodeproj
- mkdir $(distdir)/xcode/libzip.xcodeproj/project.xcworkspace
- cp -p $(srcdir)/xcode/Info.plist \
- $(srcdir)/xcode/config.h \
- $(srcdir)/xcode/extract-version.sh \
- $(srcdir)/xcode/zipconf.h $(distdir)/xcode
- cp -p $(srcdir)/xcode/libzip.xcodeproj/project.pbxproj $(distdir)/xcode/libzip.xcodeproj
- cp -p $(srcdir)/xcode/libzip.xcodeproj/project.xcworkspace/contents.xcworkspacedata \
- $(distdir)/xcode/libzip.xcodeproj/project.xcworkspace
+1.4.0 [2017-12-29]
+==================
+
+* Improve build with cmake
+* Retire autoconf/automake build system
+* Add `zip_source_buffer_fragment()`.
+* Add support to clone unchanged beginning of archive (instead of rewriting it).
+ Supported for buffer sources and on Apple File System.
+* Add support for Microsoft Universal Windows Platform.
+
1.3.2 [2017-11-20]
==================
* Fix bug introduced in last: zip_t was erroneously freed if zip_close() failed.
+++ /dev/null
-To build libzip from the repository using autotools, you need to
-install autoconf, automake, and libtool; then run
-```shell
-autoreconf -fi
-```
-
-Afterwards you can run configure as usual.
-
-Alternatively, use cmake.
-
-```shell
-mkdir build
-cd build
-cmake .. -DBUILD_SHARED_LIBS:BOOL=ON
-```
-
-If you prefer building a static library, leave define `BUILD_SHARED_LIBS` to `OFF`
supported. The API is documented by man pages.
For more information, take a look at the included man pages. You can
-start with [libzip(3)](https:/libzip.org/documentation/libzip.html), which lists
-all others. Example source code is in the `src/` subdirectory.
+start with [libzip(3)](https://libzip.org/documentation/libzip.html), which lists
+all others. Example source code is in the `examples/` and `src/` subdirectories.
If you have developed an application using libzip, you can find out
about API changes and how to adapt your code for them in the included
-file `API-CHANGES`.
+file [API-CHANGES.md](API-CHANGES.md).
-For generic installation instructions, see file `INSTALL`, which
-describes the approach using autoconf; alternatively, you can
-use cmake to build.
-
-Additionally, you'll need zlib (at least version 1.1.2). It comes
-with most operating systems nowadays, or you can get it at
-> http://www.zlib.net/
-
-For supporting bzip2-compressed zip archives, bzip2 from
-> http://bzip.org/
-
-needs to be installed.
-
-When using a static Windows library, you need to define `ZIP_STATIC`
-when compiling packages using libzip.
+See the [INSTALL.md](INSTALL.md) file for installation instructions and
+dependencies.
If you make a binary distribution, please include a pointer to the
distribution site:
> https://libzip.org/
-The latest version can always be found there. The official mercurial
-repository is at https://hg.nih.at/libzip/ and a read-only git mirror
-exists at https://github.com/nih-at/libzip/
+The latest version can always be found there. The official repository
+is at [github](https://github.com/nih-at/libzip/).
There is a mailing list for developers using libzip. You can
subscribe to it by sending a mail with the subject "subscribe
Boaz Stolk <bstolk@aweta.nl>
Bogdan <bogiebog@gmail.com>
Brian 'geeknik' Carpenter <geeknik@protonmail.ch>
+Carl Mastrangelo <notcarl@google.com>
Cédric Tabin
Chris Nehren <cnehren+libzip@pobox.com>
Coverity <info@coverity.com>
Martin Buchholz <martinrb@google.com>
Martin Szulecki <m.szulecki@libimobiledevice.org>
Michael Beck <mm.beck@gmx.net>
+Michał Janiszewski
Michal Vyskocil <mvyskocil@suse.cz>
Mikhail Gusarov <dottedmag@dottedmag.net>.
Oliver Kaiser <under.northern.sky@googlemail.com>
-# API Plans
+# Soon
+
+* review guidelines/community standards
+ - (Linux Foundation Core Infrastructure Initiative Best Practices)[https://bestpractices.coreinfrastructure.org/]
+ - (Readme Maturity Level)[https://github.com/LappleApple/feedmereadmes/blob/master/README-maturity-model.md]
+ - (Github Community Profile)[https://github.com/nih-at/libzip/community]
+
+* migration to CMake
+ - replace `make distcheck`
+
+* run Coverity tests automatically via github/travis
+
+* switch to newer fcrypt sources, see https://github.com/BrianGladman/AES/issues/19
+
+* improve man page formatting of tagged lists on webpage (`<dl>`)
+
+* test error cases with special source
+ - tell it which command should fail
+ - use it both as source for `zip_add` and `zip_open_from_source`
+
+
+# Later
+
+## macOS / iOS framework
+
+* get cmake to optionally build frameworks
## Prefixes
const zip_uint8_t *zip_get_archive_prefix(struct zip *za, zip_uint64_t *lengthp);
````
-# Compression
+## Compression
-* Test CMAKE for bzip2
* add lzma support
-# API Issues
+## API Issues
* `zip_get_archive_comment` has `int *lenp` argument. Cleaner would be `zip_uint32_t *`.
rename and fix. which other functions for naming consistency?
* compression/crypt error messages a la `ZIP_ER_ZLIB` (no detailed info passing)
* check arguments for every entry point into libzip
-# Features
+## Features
-* Winzip AES support
- * test cases decryption: <=20, >20, stat for both
- * test cases encryption: no password, default password, file-specific password, 128/192/256, <=20, >20
- * support testing on macOS
* consistently use `_zip_crypto_clear()` for passwords
* support setting extra fields from `zip_source`
* introduce layers of extra fields:
* support for old compression methods?????
-# Bugs
+## Bugs
* support InfoZIP encryption header extension (copy data descriptor for encrypted files)
* ensure that nentries is small enough not to cause overflow (size_t for entry, uint64 for CD on disk)
* `cdr == NULL` -> `ER_NOENT` vs. `idx > cdir->nentry` -> `ER_INVAL` inconsistent (still there?)
-# Cleanup
+## Cleanup
* go over cdir parser and rename various offset/size variables to make it clearer
* use bool
* get rid of `zip_get_{compression,encryption}_implementation()`
* use `zip_*int*_t` internally
-# Analysis
+## Analysis
* pass through coverity
-# Infrastructure
+## Infrastructure
-* create CMakefile.txt man page linking from links file
-* handle missing mandoc on Linux
+* rewrite make_zip_errors.sh in cmake
+* rewrite make_zip_err_str.sh in cmake
+* configure appveyor for Windows builds of libzip
-# Test Case Issues
+## Test Case Issues
+* consider testing for malloc/realloc failures (see `ckmame/regress/malloc.c`)
+* Winzip AES support
+ * test cases decryption: <=20, >20, stat for both
+ * test cases encryption: no password, default password, file-specific password, 128/192/256, <=20, >20
+ * support testing on macOS
* add test cases for lots of files (including too many)
* add test cases for holes (between files, between files and cdir, between cdir and eocd, + zip64 where appropriate)
* unchange on added file
* zip_open_from_source
* read two zip entries interleaved
-# Unsorted
+## Unsorted
* `zip_source_file()`: don't allow write if start/len specify a part of the file
* script to check if all exported symbols are marked with `ZIP_EXTERN`, add to make distcheck
#cmakedefine HAVE__STRTOUI64
#cmakedefine HAVE__UMASK
#cmakedefine HAVE__UNLINK
+#cmakedefine HAVE_CLONEFILE
#cmakedefine HAVE_FILENO
#cmakedefine HAVE_FSEEKO
#cmakedefine HAVE_FTELLO
#cmakedefine SIZE_T_LIBZIP ${SIZE_T_LIBZIP}
#cmakedefine SSIZE_T_LIBZIP ${SSIZE_T_LIBZIP}
#cmakedefine HAVE_DIRENT_H
+#cmakedefine HAVE_FTS_H
#cmakedefine HAVE_NDIR_H
#cmakedefine HAVE_SYS_DIR_H
#cmakedefine HAVE_SYS_NDIR_H
#cmakedefine WORDS_BIGENDIAN
+#cmakedefine HAVE_SHARED
/* END DEFINES */
#define PACKAGE "@PACKAGE@"
#define VERSION "@VERSION@"
based on ../cmake-zipconf.h.in.
*/
+#cmakedefine LIBZIP_VERSION "@PACKAGE_VERSION@"
+#cmakedefine LIBZIP_VERSION_MAJOR @PACKAGE_VERSION_MAJOR@
+#cmakedefine LIBZIP_VERSION_MINOR @PACKAGE_VERSION_MINOR@
+#cmakedefine LIBZIP_VERSION_MICRO @PACKAGE_VERSION_MICRO@
+
+#cmakedefine ZIP_STATIC
+
#cmakedefine HAVE_INTTYPES_H_LIBZIP
#cmakedefine HAVE_STDINT_H_LIBZIP
#cmakedefine HAVE_SYS_TYPES_H_LIBZIP
+++ /dev/null
-AC_PREREQ([2.60])
-AC_INIT([libzip],[1.3.2],[libzip@nih.at])
-AC_CONFIG_SRCDIR([lib/zip_add.c])
-AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE
-
-AC_CANONICAL_HOST
-dnl Add rpath flags to installed pkg-config (.pc) file on systems that prefer it this way.
-case $host_os in
- *bsd*)
- PKG_CONFIG_RPATH=-Wl,-R\${libdir};;
- *)
- PKG_CONFIG_RPATH=;;
-esac
-AC_SUBST(PKG_CONFIG_RPATH)
-
-
-AC_PROG_CC
-AC_SYS_LARGEFILE
-AM_PROG_CC_C_O
-AC_C_BIGENDIAN
-
-AC_ARG_WITH(zlib,
- [ --with-zlib=PREFIX specify prefix for ZLIB library],,
- with_zlib=yes)
-
-if test "$with_zlib" != "yes"
-then
- if test -f "$with_zlib"/zlib.h
- then
- # PREFIX is to uninstalled version in distribution directory
- CFLAGS="$CFLAGS -I$with_zlib"
- LDFLAGS="$LDFLAGS -L$with_zlib"
- else if test -f "$with_zlib"/include/zlib.h
- then
- # PREFIX is installation prefix
- CFLAGS="$CFLAGS -I$with_zlib/include"
- LDFLAGS="$LDFLAGS -L$with_zlib/lib"
- fi
- fi
-fi
-
-AC_CHECK_LIB(z, main)
-AC_CACHE_CHECK(new ZLIB version, id_cv_lib_zlib_ok,
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <zlib.h>]], [[extern ZEXPORT int unzOpen (const char *path);]])],[id_cv_lib_zlib_ok=yes],[id_cv_lib_zlib_ok=no]))
-if test "$id_cv_lib_zlib_ok" = "no"
-then
- AC_MSG_ERROR([ZLIB version too old, please install at least v1.1.2])
-fi
-
-AC_ARG_WITH(bzip2,
- [ --with-bzip2=PREFIX specify prefix for bzip2 library],,
- with_bzip2=yes)
-
-if test "$with_bzip2" != "yes"
-then
- if test -f "$with_bzip2"/bzlib.h
- then
- # PREFIX is to uninstalled version in distribution directory
- CFLAGS="$CFLAGS -I$with_bzip2"
- LDFLAGS="$LDFLAGS -L$with_bzip2"
- else if test -f "$with_bzip2"/include/bzlib.h
- then
- # PREFIX is installation prefix
- CFLAGS="$CFLAGS -I$with_bzip2/include"
- LDFLAGS="$LDFLAGS -L$with_bzip2/lib"
- fi
- fi
-fi
-if test "$with_bzip2" != "no"
-then
- AC_CHECK_LIB(bz2, main)
-fi
-
-AC_EXEEXT
-
-LT_INIT
-
-if test "$enable_shared" = "yes"
-then
- AC_DEFINE([HAVE_SHARED], [1], [Define when building shared libraries])
-fi
-
-AC_CHECK_FUNCS([_chmod _close _dup _fdopen _fileno _open _setmode _snprintf _strdup _stricmp _strtoi64 _strtoui64 _umask _unlink explicit_bzero explicit_memset fileno fseeko ftello getopt getprogname open setmode snprintf strcasecmp strdup stricmp strtoll strtoull])
-AC_CHECK_FUNCS([mkstemp], [], [AC_LIBOBJ(mkstemp)])
-
-dnl assume dlsym in libc, but check in libdl
-DLSYM_LIB=
-AC_CHECK_LIB([dl], [dlsym], [DLSYM_LIB="-ldl"])
-AC_SUBST([DLSYM_LIB])
-
-AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname,
- [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
- [[ extern char *__progname; printf("%s", __progname); ]])],
- [ ac_cv_libc_defines___progname="yes" ],
- [ ac_cv_libc_defines___progname="no" ])
- ])
-if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
- AC_DEFINE([HAVE___PROGNAME], [1], [Define if libc defines __progname])
-fi
-
-AC_CACHE_CHECK([whether we are building for a Win32 host], [ac_cv_win32_host],
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#ifdef _WIN32
- choke me
- #endif
- ]])],
- [ac_cv_win32_host=no], [ac_cv_win32_host=yes]))
-AM_CONDITIONAL([WIN32_HOST], [test "x$ac_cv_win32_host" = "xyes"])
-
-AC_CHECK_HEADERS([fts.h stdbool.h strings.h unistd.h])
-
-AC_CHECK_TYPES([int8_t])
-AC_CHECK_TYPES([int16_t])
-AC_CHECK_TYPES([int32_t])
-AC_CHECK_TYPES([int64_t])
-AC_CHECK_TYPES([uint8_t])
-AC_CHECK_TYPES([uint16_t])
-AC_CHECK_TYPES([uint32_t])
-AC_CHECK_TYPES([uint64_t])
-AC_CHECK_TYPES([ssize_t])
-
-AC_CHECK_SIZEOF([short])
-AC_CHECK_SIZEOF([int])
-AC_CHECK_SIZEOF([long])
-AC_CHECK_SIZEOF([long long])
-AC_CHECK_SIZEOF([off_t])
-AC_CHECK_SIZEOF([size_t])
-
-AC_STRUCT_TIMEZONE
-
-case $host_os
-in
- *bsd*) MANFMT=mdoc;;
- *) MANFMT=man;;
-esac
-AC_SUBST([MANFMT])
-
-AH_BOTTOM([
-#ifndef HAVE_SSIZE_T
-# if SIZEOF_SIZE_T == SIZEOF_INT
-typedef int ssize_t;
-# elif SIZEOF_SIZE_T == SIZEOF_LONG
-typedef long ssize_t;
-# elif SIZEOF_SIZE_T == SIZEOF_LONG_LONG
-typedef long long ssize_t;
-# else
-#error no suitable type for ssize_t found
-# endif
-#endif
-])
-
-gl_VISIBILITY
-
-AC_CONFIG_FILES([Makefile
- libzip.pc
- libzip-uninstalled.pc
- examples/Makefile
- man/Makefile
- lib/Makefile
- lib/gladman-fcrypt/Makefile
- regress/Makefile
- src/Makefile])
-AC_OUTPUT
+++ /dev/null
-#!/usr/bin/env perl
-# Haiku OS: we don't care!
-
-use strict;
-
-my $in = 'cmake-config.h.in';
-my $out = "$in.$$";
-
-my ($fin, $fout);
-open $fin, "< $in" or die "can't open $in: $!";
-open $fout, "> $out" or die "can't create $out: $!";
-
-my $zipconf_defines = read_zipconf_defines();
-
-my $in_defines = 0;
-while (my $line = <$fin>) {
- if ($in_defines) {
- if ($line =~ m,/* END DEFINES,) {
- $in_defines = 0;
- }
- else {
- next;
- }
- }
- print $fout $line;
- if ($line =~ m,/\* BEGIN DEFINES,) {
- $in_defines = 1;
- add_defines($fout, $zipconf_defines);
- }
-}
-
-close $fin;
-close $fout;
-
-rename($out, $in);
-
-sub add_defines {
- my ($fout, $zipconf_defines) = @_;
-
- my $fin;
- open $fin, "< CMakeLists.txt" or die "can't open CMakeLists.txt: $!";
-
- while (my $line = <$fin>) {
- my ($key, $value);
-
- if ($line =~ m/CHECK_TYPE_SIZE\(.* (\S*)\)/) {
- $key = $1;
- $value = "\${$1}";
- }
- elsif ($line =~ m/CHECK_\S*\(.* (\S*)\)/) {
- $key = $1;
- }
-
- if (defined($key) && !defined($zipconf_defines->{$key})) {
- print $fout "#cmakedefine $key" . ($value ? " $value" : "") . "\n";
- }
- }
-
- close $fin;
-}
-
-sub read_zipconf_defines {
- my %zipconf_defines = ();
-
- my $fin;
- open $fin, "< cmake-zipconf.h.in" or die "can't open cmake-zipconf.h.in: $!";
-
- while (my $line = <$fin>) {
- if ($line =~ m/#cmakedefine\s+(\S+)/) {
- $zipconf_defines{$1} = 1;
- }
- }
-
- close $fin;
-
- return \%zipconf_defines;
-}
+++ /dev/null
-AES Coding Tips for Developers
-
-NOTE: WinZip^(R) users do not need to read or understand the information
-contained on this page. It is intended for developers of Zip file utilities.
-
-This document contains information that may be helpful to developers and other
-interested parties who wish to support the AE-1 and AE-2 AES encryption formats
-in their own Zip file utilities. WinZip Computing makes no warranties regarding
-the information provided in this document. In particular, WinZip Computing does
-not represent or warrant that the information provided here is free from errors
-or is suitable for any particular use, or that the file formats described here
-will be supported in future versions of WinZip. You should test and validate
-all code and techniques in accordance with good programming practice.
-
-This information supplements the basic encryption specification document found
-here.
-
-This document assumes that you are using Dr. Brian Gladman's AES encryption
-package. Dr. Gladman has generously made public a sample application that
-demonstrates the use of his encryption/decryption and other routines, and the
-code samples shown below are derived from this sample application. Dr.
-Gladman's AES library and the sample application are available from the AES
-project page on Dr. Gladman's web site.
-
-━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
-
-Generating a salt value
-
-Please read the discussion of salt values in the encryption specification.
-
-Dr. Gladman has provided a pseudo-random number generator in the files PRNG.C
-and PRNG.H. You may find this suitable for generating salt values. These files
-are included in the sample package available through the AES project page on
-Dr. Gladman's web site.
-
-Here are guidelines for using Dr. Gladman's generator. Note that the generator
-is used rather like an I/O stream: it is opened (initialized), used, and
-finally closed. To obtain the best results, it is recommended that you
-initialize the generator when your application starts and close it when your
-application closes. (If you are coding in C++, you may wish to wrap these
-actions in a C++ class that initializes the generator on construction and
-closes it on destruction.)
-
- 1. You will need to provide an entropy function in your code for
- initialization of the generator. The entropy function need not be
- particularly sophisticated for this use. Here is one possibility for such a
- function, based primarily upon the Windows performance counter:
-
- int entropy_fun(
- unsigned char buf[],
- unsigned int len)
- {
- unsigned __int64 pentium_tsc[1];
- unsigned int i;
- static unsigned int num = 0;
- // this sample code returns the following sequence of entropy information
- // - the current 8-byte Windows performance counter value
- // - an 8-byte representation of the current date/time
- // - an 8-byte value built from the current process ID and thread ID
- // - all subsequent calls return the then-current 8-byte performance
- // counter value
- switch (num)
- {
- case 1:
- ++num;
- // use a value that is unlikely to repeat across system reboots
- GetSystemTimeAsFileTime((FILETIME *)pentium_tsc);
- break;
- case 2:
- ++num;
- {
- // use a value that distinguishes between different instances of this
- // code that might be running on different processors at the same time
- unsigned __int32 processtest = GetCurrentProcessId();
- unsigned __int32 threadtest = GetCurrentThreadId();
- pentium_tsc[0] = processtest;
- pentium_tsc[0] = (pentium_tsc[0] << 32) + threadtest;
- }
- break;
- case 0:
- ++num;
- // fall through to default case
- default:
- // use a rapidly-changing value
- // Note: check QueryPerformanceFrequency() first to
- // ensure that QueryPerformanceCounter() will work.
- QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc);
- break;
- }
- for(i = 0; i < 8 && i < len; ++i)
- buf[i] = ((unsigned char*)pentium_tsc)[i];
- return i;
- }
-
- Note: the required prototype for the entropy function is defined in PRNG.H.
-
- 2. Initialize the generator by calling prng_init(), providing the addresses of
- your entropy function and of an instance of a prng_ctx structure (defined
- in PRNG.H). The prng_ctx variable maintains a context for the generator and
- is used as a parameter for the other generator functions. Therefore, the
- variable's state must be maintained until the generator is closed.
-
- prng_ctx ctx;
- prng_init(entropy_fun, &ctx);
-
- You only need to do this once per application session (as long as you keep
- the "stream" open).
-
- 3. To obtain a sequence of random bytes of arbitrary size, use prng_rand().
- This code obtains 16 random bytes, suitable for use as a salt value for
- 256-bit AES encryption:
-
- unsigned char buffer[16];
- prng_rand(buffer, sizeof(buffer), &ctx);
-
- Note that the ctx parameter is the same prng_ctx variable that was used in
- the initialization call.
-
- 4. When you are done with the generator (this would normally be when your
- application closes), close it by calling prng_end:
-
- prng_end(&ctx);
-
- Again, the ctx parameter is the same prng_ctx variable that was used in the
- initialization call.
-
-Encryption and decryption
-
-The actual encryption and decryption of data are handled quite similarly, and
-again are rather stream-like: a stream is "opened", data is passed to it for
-encryption or decryption, and then it is closed. The password verifier is
-returned when the stream is opened, and the authentication code is returned
-when the stream is closed.
-
-Here is the basic technique:
-
- 1. Initialize the "stream" for encryption or decryption and obtain the
- password verification value.
-
- There is no difference in the initialization, regardless of whether you are
- encrypting or decrypting:
-
- fcrypt_ctx zctx; // the encryption context
- int rc = fcrypt_init(
- KeySize, // extra data value indicating key size
- pszPassword, // the password
- strlen(pszPassword), // number of bytes in password
- achSALT, // the salt
- achPswdVerifier, // on return contains password verifier
- &zctx); // encryption context
-
- The return value is 0 if the initialization was successful; non-zero values
- indicate errors. Note that passwords are null-terminated ANSI strings;
- embedded nulls must not be used. (To avoid incompatibilities between the
- various character sets in use, especially in different versions of Windows,
- users should be encouraged to use passwords containing only the "standard"
- characters in the range 32-127.)
-
- The function returns the password verification value in achPswdVerifier,
- which must be a 2-byte buffer. If you are encrypting, store this value in
- the Zip file as indicated by the encryption specification. If you are
- decrypting, compare this returned value to the value stored in the Zip
- file. If they are different, then either the password provided by your user
- was incorrect or the encrypted file has been altered in some way since it
- was encrypted. (Note that if they match, there is still a 1 in 65,536
- chance that an incorrect password was provided.)
-
- The initialized encryption context (zctx) is used as a parameter to the
- encryption/decryption functions. Therefore, its state must be maintained
- until the "stream" is closed.
-
- 2. Encrypt or decrypt the data.
-
- To encrypt:
-
- fcrypt_encrypt(
- pchData, // pointer to the data to encrypt
- cb, // how many bytes to encrypt
- &zctx); // encryption context
-
- To decrypt:
-
- fcrypt_decrypt(
- pchData, // pointer to the data to decrypt
- cb, // how many bytes to decrypt
- &zctx); // decryption context
-
- You may need to call the encrypt or decrypt function multiple times,
- passing in successive chunks of data in the buffer. For AE-1 and AE-2
- compatibility, the buffer size must be a multiple of 16 bytes except for
- the last buffer, which may be smaller. For efficiency, a larger buffer size
- such as 32,768 would generally be used.
-
- Note: to encrypt zero-length files, simply skip this step. You will still
- obtain and use the password verifier (step 1) and authentication code (step
- 3).
-
- 3. Close the "stream" and obtain the authentication code.
-
- When encryption/decryption is complete, close the "stream" as follows:
-
- int rc = fcrypt_end(
- achMAC, // on return contains the authentication code
- &zctx); // encryption context
-
- The return value is the size of the authentication code, which will always
- be 10 for AE-1 and AE-2. The authentication code itself is returned in your
- buffer at achMAC, which is an array of char, sized to hold at least 10
- characters. If you are encrypting, store this value in the Zip file as
- indicated by the encryption specification; if you are decrypting, compare
- this value to the value stored in the Zip file. If the values are
- different, either the password is incorrect or the encrypted data has been
- altered subsequent to storage.
-
- Note that decryption can fail even if the encrypted data is unaltered and
- the password verifier was correct in step 1. The password verifier is
- useful as a quick way to detect most incorrect passwords, but it is not
- perfect and on rare occasions (1 out of 65,536) it will fail to detect an
- incorrect password. It is therefore important for you to check the
- authentication code on completion even though the password verifier was
- correct.
-
-Notes
-
- • Dr. Gladman's AES code depends on the byte order (little-endian or
- big-endian) used by the computing platform the code will run on. This is
- determined by a C preprocessor constant called PLATFORM_BYTE_ORDER, which
- is defined in the file AESOPT.H. You should be sure that
- PLATFORM_BYTE_ORDER gets the proper value for your platform; if it does
- not, you will need to define it yourself to the correct value. When using
- the Microsoft compiler on Intel platforms it does get the proper value,
- which on these platforms is AES_LITTLE_ENDIAN. We have, however, had a
- report that it does not default properly when Borland C++ Builder is used,
- and that manual assignment is necessary. For additional information on this
- topic, refer to the comments within AESOPT.H.
-
-Change history
-
-Changes made in document version 1.04, July, 2008:
-
- A. Sample Entropy Function
-
- The sample entropy function was changed to include information near the
- very beginning of the entropy stream that's unique to the day and to the
- process and thread.
-
-━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
-
-Document version: 1.04
-Last modified: July 21, 2008
-
-Copyright(C) 2003-2016 WinZip International LLC.
-All Rights Reserved
+++ /dev/null
-AES Encryption Information:
-Encryption Specification AE-1 and AE-2
-
-Document version: 1.04
-Last modified: January 30, 2009
-
-NOTE: WinZip^(R) users do not need to read or understand the information
-contained on this page. It is intended for developers of Zip file utilities.
-
-Changes since the original version of this document are summarized in the
-Change History section below.
-
-This document describes the file format that WinZip uses to create
-AES-encrypted Zip files. The AE-1 encryption specification was introduced in
-WinZip 9.0 Beta 1, released in May 2003. The AE-2 encryption specification, a
-minor variant of the original AE-1 specification differing only in how the CRC
-is handled, was introduced in WinZip 9.0 Beta 3, released in January, 2004.
-Note that as of WinZip 11, WinZip itself encrypts most files using the AE-1
-format and encrypts others using the AE-2 format.
-
-From time to time we may update the information provided here, for example to
-document any changes to the file formats, or to add additional notes or
-implementation tips. If you would like to receive e-mail announcements of any
-substantive changes we make to this document, you can sign up below for our
-Developer Information mailing list.
-
-Without compromising the basic Zip file format, WinZip Computing has extended
-the format specification to support AES encryption, and this document fully
-describes the format extension. Additionally, we are providing information
-about a no-cost third-party source for the actual AES encryption code--the same
-code that is used by WinZip. We believe that use of the free encryption code
-and of this specification will make it easy for all developers to add
-compatible advanced encryption to their Zip file utilities.
-
-This document is not a tutorial on encryption or Zip file structure. While we
-have attempted to provide the necessary details of the current WinZip AES
-encryption format, developers and other interested third parties will need to
-have or obtain an understanding of basic encryption concepts, Zip file format,
-etc.
-
-Developers should also review AES Coding Tips page.
-
-WinZip Computing makes no warranties regarding the information provided in this
-document. In particular, WinZip Computing does not represent or warrant that
-the information provided here is free from errors or is suitable for any
-particular use, or that the file formats described here will be supported in
-future versions of WinZip. You should test and validate all code and techniques
-in accordance with good programming practice.
-
-━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
-
-Contents
-
- I. Encryption services
-II. Zip file format
- A. Base format reference
- B. Compression method and encryption flag
- C. CRC value
- D. AES extra data field
-III. Encrypted file storage format
- A. File format
- B. Salt value
- C. Password verification value
- D. Encrypted file data
- E. Authentication code
-IV. Changes in WinZip 11
- V. Notes
- A. Non-files and zero-length files
- B. "Mixed" Zip files
- C. Key generation
-VI. FAQs
-VII. Change history
-VIII. Mailing list signup
-
-
-I. Encryption services
-
-To perform AES encryption and decryption, WinZip uses AES functions written by
-Dr. Brian Gladman. The source code for these functions is available in C/C++
-and Pentium family assembler for anyone to use under an open source BSD or GPL
-license from the AES project page on Dr. Gladman's web site. The AES Coding
-Tips page also has some information on the use of these functions. WinZip
-Computing thanks Dr. Gladman for making his AES functions available to anyone
-under liberal license terms.
-
-Dr. Gladman's encryption functions are portable to a number of operating
-systems and can be static linked into your applications, so there are no
-operating system version or library dependencies. In particular, the functions
-do not require Microsoft's Cryptography API.
-
-General information on the AES standard and the encryption algorithm (also
-known as Rijndael) is readily available on the Internet. A good place to start
-is http://www.nist.gov/public_affairs/releases/g00-176.htm.
-
-II. Zip file format
-
- A. Base format reference
-
- AES-encrypted files are stored within the guidelines of the standard Zip
- file format using only a new "extra data" field, a new compression method
- code, and a value in the CRC field dependant on the encryption version,
- AE-1 or AE-2. The basic Zip file format is otherwise unchanged.
-
- WinZip sets the version needed to extract and version made by fields in the
- local and central headers to the same values it would use if the file were
- not encrypted.
-
- The basic Zip file format specification used by WinZip is available via FTP
- from the Info-ZIP group at ftp://ftp.info-zip.org/pub/infozip/doc/
- appnote-iz-latest.zip.
-
- B. Compression method and encryption flag
-
- As for any encrypted file, bit 0 of the "general purpose bit flags" field
- must be set to 1 in each AES-encrypted file's local header and central
- directory entry.
-
- Additionally, the presence of an AES-encrypted file in a Zip file is
- indicated by a new compression method code (decimal 99) in the file's local
- header and central directory entry, used along with the AES extra data
- field described below. There is no change in either the version made by or
- version needed to extract codes.
-
- The code for the actual compression method is stored in the AES extra data
- field (see below).
-
- C. CRC value
-
- For files encrypted using the AE-2 method, the standard Zip CRC value is
- not used, and a 0 must be stored in this field. Corruption of encrypted
- data within a Zip file is instead detected via the authentication code
- field.
-
- Files encrypted using the AE-1 method do include the standard Zip CRC
- value. This, along with the fact that the vendor version stored in the AES
- extra data field is 0x0001 for AE-1 and 0x0002 for AE-2, is the only
- difference between the AE-1 and AE-2 formats.
-
- NOTE: Zip utilities that support the AE-2 format are required to be able to
- read files that were created in the AE-1 format, and during decryption/
- extraction of files in AE-1 format should verify that the file's CRC
- matches the value stored in the CRC field.
-
- D. AES extra data field
- 1. A file encrypted with AES encryption will have a special "extra data"
- field associated with it. This extra data field is stored in both the
- local header and central directory entry for the file.
-
- Note: see the Zip file format document referenced above for general
- information on the format and use of extra data fields.
-
- 2. The extra data header ID for AES encryption is 0x9901. The fields are
- all stored in Intel low-byte/high-byte order. The extra data field
- currently has a length of 11: seven data bytes plus two bytes for the
- header ID and two bytes for the data size. Therefore, the extra data
- overhead for each file in the archive is 22 bytes (11 bytes in the
- central header plus 11 bytes in the local header).
- 3. The format of the data in the AES extra data field is as follows. See
- the notes below for additional information.
-
- Offset Size(bytes) Content
-
- 0 2 Extra field header ID (0x9901)
-
- 2 2 Data size (currently 7, but subject
- to possible increase in the future)
-
- 4 2 Integer version number specific to
- the zip vendor
-
- 6 2 2-character vendor ID
-
- 8 1 Integer mode value indicating AES
- encryption strength
-
- 9 2 The actual compression method used to
- compress the file
-
- 4. Notes
- ☆ Data size: this value is currently 7, but because it is possible
- that this specification will be modified in the future to store
- additional data in this extra field, vendors should not assume that
- it will always remain 7.
- ☆ Vendor ID: the vendor ID field should always be set to the two
- ASCII characters "AE".
- ☆ Vendor version: the vendor version for AE-1 is 0x0001. The vendor
- version for AE-2 is 0x0002.
-
- Zip utilities that support AE-2 must also be able to process files
- that are encrypted in AE-1 format. The handling of the CRC value is
- the only difference between the AE-1 and AE-2 formats.
-
- ☆ Encryption strength: the mode values (encryption strength) for AE-1
- and AE-2 are:
-
- Value Strength
-
- 0x01 128-bit encryption key
-
- 0x02 192-bit encryption key
-
- 0x03 256-bit encryption key
-
- The encryption specification supports only 128-, 192-, and 256-bit
- encryption keys. No other key lengths are permitted.
-
- (Note: the current version of WinZip does not support encrypting
- files using 192-bit keys. This specification, however, does provide
- for the use of 192-bit keys, and WinZip is able to decrypt such
- files.)
-
- ☆ Compression method: the compression method is the one that would
- otherwise have been stored in the local and central headers for the
- file. For example, if the file is imploded, this field will contain
- the compression code 6. This is needed because a compression method
- of 99 is used to indicate the presence of an AES-encrypted file
- (see above).
-
-III. Encrypted file storage format
-
- A. File format
-
- Additional overhead data required for decryption is stored with the
- encrypted file itself (i.e., not in the headers). The actual format of the
- stored file is as follows; additional information about these fields is
- below. All fields are byte-aligned.
-
- Size Content
- (bytes)
-
- Variable Salt value
-
- 2 Password verification value
-
- Variable Encrypted file data
-
- 10 Authentication code
-
- Note that the value in the "compressed size" fields of the local file
- header and the central directory entry is the total size of all the items
- listed above. In other words, it is the total size of the salt value,
- password verification value, encrypted data, and authentication code.
-
- B. Salt value
-
- The "salt" or "salt value" is a random or pseudo-random sequence of bytes
- that is combined with the encryption password to create encryption and
- authentication keys. The salt is generated by the encrypting application
- and is stored unencrypted with the file data. The addition of salt values
- to passwords provides a number of security benefits and makes dictionary
- attacks based on precomputed keys much more difficult.
-
- Good cryptographic practice requires that a different salt value be used
- for each of multiple files encrypted with the same password. If two files
- are encrypted with the same password and salt, they can leak information
- about each other. For example, it is possible to determine whether two
- files encrypted with the same password and salt are identical, and an
- attacker who somehow already knows the contents of one of two files
- encrypted with the same password and salt can determine some or all of the
- contents of the other file. Therefore, you should make every effort to use
- a unique salt value for each file.
-
- The size of the salt value depends on the length of the encryption key, as
- follows:
-
- Key size Salt size
-
- 128 bits 8 bytes
-
- 192 bits 12 bytes
-
- 256 bits 16 bytes
-
- C. Password verification value
-
- This two-byte value is produced as part of the process that derives the
- encryption and decryption keys from the password. When encrypting, a
- verification value is derived from the encryption password and stored with
- the encrypted file. Before decrypting, a verification value can be derived
- from the decryption password and compared to the value stored with the
- file, serving as a quick check that will detect most, but not all,
- incorrect passwords. There is a 1 in 65,536 chance that an incorrect
- password will yield a matching verification value; therefore, a matching
- verification value cannot be absolutely relied on to indicate a correct
- password.
-
- Information on how to obtain the password verification value from Dr.
- Gladman's encryption library can be found on the coding tips page.
-
- This value is stored unencrypted.
-
- D. Encrypted file data
-
- Encryption is applied only to the content of files. It is performed after
- compression, and not to any other associated data. The file data is
- encrypted byte-for-byte using the AES encryption algorithm operating in
- "CTR" mode, which means that the lengths of the compressed data and the
- compressed, encrypted data are the same.
-
- It is important for implementors to note that, although the data is
- encrypted byte-for-byte, it is presented to the encryption and decryption
- functions in blocks. The block size used for encryption and decryption must
- be the same. To be compatible with the encryption specification, this block
- size must be 16 bytes (although the last block may be smaller).
-
- E. Authentication code
-
- Authentication provides a high quality check that the contents of an
- encrypted file have not been inadvertently changed or deliberately tampered
- with since they were first encrypted. In effect, this is a super-CRC check
- on the data in the file after compression and encryption. (Additionally,
- authentication is essential when using CTR mode encryption because this
- mode is vulnerable to several trivial attacks in its absence.)
-
- The authentication code is derived from the output of the encryption
- process. Dr. Gladman's AES code provides this service, and information
- about how to obtain it is in the coding tips.
-
- The authentication code is stored unencrypted. It is byte-aligned and
- immediately follows the last byte of encrypted data.
-
- For more discussion about authentication, see the authentication code FAQ
- below.
-
-IV. Changes in WinZip 11
-
-Beginning with WinZip 11, WinZip makes a change in its use of the AE-1 and AE-2
-file formats. The file formats themselves have not changed, and AES-encrypted
-files created by WinZip 11 are completely compatible with version 1.02 the
-WinZip AES encryption specification, which was published in January 2004.
-
-WinZip 9.0 and WinZip 10.0 stored all AES-encrypted files using the AE-2 file
-format, which does not store the encrypted file's CRC. WinZip 11 instead uses
-the AE-1 file format, which does store the CRC, for most files. This provides
-an extra integrity check against the possibility of hardware or software errors
-that occur during the actual process of file compression/encryption or
-decryption/decompression. For more information on this point, see the
-discussion of the CRC below.
-
-Because for some very small files the CRC can be used to determine the exact
-contents of a file, regardless of the encryption method used, WinZip 11
-continues to use the AE-2 file format, with no CRC stored, for files with an
-uncompressed size of less than 20 bytes. WinZip 11 also uses the AE-2 file
-format for files compressed in BZIP2 format, because the BZIP2 format contains
-its own integrity checks equivalent to those provided by the Zip format's CRC.
-
-Other vendors who support WinZip's AES encryption specification may want to
-consider making a similar change to their own implementations of the
-specification, to get the benefit of the extra integrity check that it
-provides.
-
-Note that the January 2004 version of the WinZip AE-2 specification, version
-1.0.2, already required that all utilities that implemented the AE-2 format
-also be able to process files in AE-1 format, and should check on decryption/
-extraction of those files that the CRC was correct.
-
-V. Notes
-
- A. Non-files and zero-length files
-
- To reduce Zip file size, it is recommended that non-file entries such as
- folder/directory entries not be encrypted. This, however, is only a
- recommendation; it is permissible to encrypt or not encrypt these entries,
- as you prefer.
-
- On the other hand, it is recommended that you do encrypt zero-length files.
- The presence of both encrypted and unencrypted files in a Zip file may
- trigger user warnings in some Zip file utilities, so the user experience
- may be improved if all files (including zero-length files) are encrypted.
-
- If zero-length files are encrypted, the encrypted data portion of the file
- storage (see above) will be empty, but the remainder of the encryption
- overhead data must be present, both in the file storage area and in the
- local and central headers.
-
- B. "Mixed" Zip files
-
- There is no requirement that all files in a Zip file be encrypted or that
- all files that are encrypted use the same encryption method or the same
- password.
-
- A Zip file can contain any combination of unencrypted files and files
- encrypted with any of the four currently defined encryption methods (Zip
- 2.0, AES-128, AES-192, AES-256). Encrypted files may use the same password
- or different passwords.
-
- C. Key Generation
-
- Key derivation, as used by AE-1 and AE-2 and as implemented in Dr.
- Gladman's library, is done according to the PBKDF2 algorithm, which is
- described in the RFC2898 guidelines. An iteration count of 1000 is used. An
- appropriate number of bits from the resulting hash value are used to
- compose three output values: an encryption key, an authentication key, and
- a password verification value. The first n bits become the encryption key,
- the next m bits become the authentication key, and the last 16 bits (two
- bytes) become the password verification value.
-
- As part of the process outlined in RFC 2898 a pseudo-random function must
- be called; AE-2 uses the HMAC-SHA1 function, since it is a well-respected
- algorithm that has been in wide use for this purpose for several years.
-
- Note that, when used in connection with 192- or 256-bit AES encryption, the
- fact that HMAC-SHA1 produces a 160-bit result means that, regardless of the
- password that you specify, the search space for the encryption key is
- unlikely to reach the theoretical 192- or 256-bit maximum, and cannot be
- guaranteed to exceed 160 bits. This is discussed in section B.1.1 of the
- RFC2898 specification.
-
-VI. FAQs
-
- • Why is the compression method field used to indicate AES encryption?
-
- As opposed to using new version made by and version needed to extract
- values to signal AES encryption for a file, the new compression method is
- more likely to be handled gracefully by older versions of existing Zip file
- utilities. Zip file utilities typically do not attempt to extract files
- compressed with unknown methods, presumably notifying the user with an
- appropriate message.
-
- • How can I guarantee that the salt value is unique?
-
- In principle, the value of the salt should be different whenever the same
- password is used more than once, for the reasons described above, but this
- is difficult to guarantee.
-
- In practice, the number of bytes in the salt (as specified by AE-1 and
- AE-2) is such that using a pseudo-random value will ensure that the
- probability of duplicated salt values is very low and can be safely
- ignored.
-
- There is one exception to this: With the 8-byte salt values used with
- WinZip's 128-bit encryption it is likely that, if approximately 4 billion
- files are encrypted with the same password, two of the files will have the
- same salt, so it is advisable to stay well below this limit. Because of
- this, when using the same password to encrypt very large numbers of files
- in WinZip's AES encryption format (that is, files totalling in the
- millions, for example 2000 Zip files, each containing 1000 encrypted
- files), we recommend the use of 192-bit or 256-bit AES keys, with their 12-
- and 16-byte salt values, rather than 128-bit AES keys, with their 8-byte
- salt values.
-
- Although salt values do not need to be truly random, it is important that
- they be generated in a way that the probability of duplicated salt values
- is not significantly higher than that which would be expected if truly
- random values were being used.
-
- One technique for generating salt values is presented in the coding tips
- page.
-
- • Why is there an authentication code?
-
- The purpose of the authentication code is to insure that, once a file's
- data has been compressed and encrypted, any accidental corruption of the
- encrypted data, and any deliberate attempts to modify the encrypted data by
- an attacker who does not know the password, can be detected.
-
- The current consensus in the cryptographic community is that associating a
- message authentication code (or MAC) with encrypted data has strong
- security value because it makes a number of attacks more difficult to
- engineer. For AES CTR mode encryption in particular, a MAC is especially
- important because a number of trivial attacks are possible in its absence.
- The MAC used with WinZip's AES encryption is based on HMAC-SHA1-80, a
- mature and widely respected authentication algorithm.
-
- The MAC is calculated after the file data has been compressed and
- encrypted. This order of calculation is referred to as Encrypt-then-MAC,
- and is preferred by many cryptographers to the alternative order of
- MAC-then-Encrypt because Encrypt-then-MAC is immune to some known attacks
- on MAC-then-Encrypt.
-
- • What is the role of the CRC in WinZip 11?
-
- Within the Zip format, the primary use of the CRC value is to detect
- accidental corruption of data that has been stored in the Zip file. With
- files encrypted according to the Zip 2.0 encryption specification, it also
- functions to some extent as a method of detecting deliberate attempts to
- modify the encrypted data, but not one that can be considered
- cryptographically strong. The CRC is not needed for these purposes with the
- WinZip AES encryption specification, where the HMAC-SHA1-based
- authentication code instead serves these roles.
-
- The CRC has a drawback in that for very small files, such as files with
- four or fewer bytes, the CRC can be used, independent of the encryption
- algorithm, to determine the unencrypted contents of the file. And, in
- general, it is preferable to store as little information as possible about
- the encrypted file in the unencrypted Zip headers.
-
- The CRC does serve one purpose that the authentication code does not. The
- CRC is computed based on the original uncompressed, unencrypted contents of
- the file, and it is checked after the file has been decrypted and
- decompressed. In contrast, the authentication code used with WinZip AES
- encryption is computed after compression/encryption and it is checked
- before decryption/decompression. In the very rare event of a hardware or
- software error that corrupts data during compression and encryption, or
- during decryption and decompression, the CRC will catch the error, but the
- authentication code will not.
-
- WinZip 9.0 and WinZip 10.0 used AE-2 for all files that they created, and
- did not store the CRC. As of WinZip 11, WinZip instead uses AE-1 for most
- files, storing the CRC as an additional integrity check against hardware or
- software errors occurring during the actual compression/encryption or
- decryption/decompression processes. WinZip 11 will continue to use AE-2,
- with no CRC, for very small files of less than 20 bytes. It will also use
- AE-2 for files compressed in BZIP2 format, because this format has internal
- integrity checks equivalent to a CRC check built in.
-
- Note that the AES-encrypted files created by WinZip 11 are fully compatible
- with January 2004's version 1.0.2 of the WinZip AES encryption
- specification, in which both the AE-1 and AE-2 variants of the file format
- were already defined.
-
-VII. Change history
-
-Changes made in document version 1.04, January, 2009: Minor clarification
-regarding the algorithm used to generate the authentication code.
-
-Changes made in document version 1.03, November, 2006: Minor editorial and
-clarifying changes have been made throughout the document. The following
-substantive technical changes have been made:
-
- A. WinZip 11 Usage of AE-1 and AE-2
-
- WinZip's AES encryption specification defines two formats, known as AE-1
- and AE-2, which differ in whether the CRC of the encrypted file is stored
- in the Zip headers. While the file formats themselves remain unchanged,
- WinZip's usage of them is changing. Beginning with WinZip 11, WinZip uses
- the AE-1 format, which includes the CRC of the encrypted file, for many
- encrypted files, in order to provide an additional integrity check against
- hardware or software errors occurring during the compression/encryption or
- decryption/decompression processes. Note that AES-encrypted files created
- by WinZip 11 are completely compatible with the previous version of the
- WinZip encryption specification, January 2004's version 1.0.2.
-
- B. The discussion of salt values mentions a limitation that applies to the
- uniqueness of salt values when very large numbers of files are encrypted
- with 128-bit encryption.
- C. Older versions of this specification suggested that other vendors might
- want to use their own vendor IDs to create their own unique encryption
- formats. We no longer suggest that vendor-specific alternative encryption
- methods be created in this way.
-
-Changes made in document version 1.02, January, 2004: The introductory text at
-the start of the document has been rewritten, and minor editorial and
-clarifying changes have been made throughout the document. Two substantive
-technical changes have been made:
-
- A. AE-2 Specification
-
- Standard Zip files store the CRC of each file's unencrypted data. This
- value is used to help detect damage or other alterations to Zip files.
- However, storing the CRC value has a drawback in that, for a very small
- file, such as a file of four or fewer bytes, the CRC value can be used,
- independent of the encryption algorithm, to help determine the unencrypted
- contents of the file.
-
- Because of this, files encrypted with the new AE-2 method store a 0 in the
- CRC field of the Zip header, and use the authentication code instead of the
- CRC value to verify that encrypted data within the Zip file has not been
- corrupted.
-
- The only differences between the AE-1 and AE-2 methods are the storage in
- AE-2 of 0 instead of the CRC in the Zip file header,and the use in the AES
- extra data field of 0x0002 for AE-2 instead of 0x0001 for AE-1 as the
- vendor version.
-
- Zip utilities that support the AE-2 format are required to be able to read
- files that were created in the AE-1 format, and during decryption/
- extraction of files in AE-1 format should verify that the file's CRC
- matches the value stored in the CRC field.
-
- B. Key Generation and HMAC-SHA1
-
- The description of the key generation mechanism has been updated to point
- out a limitation arising from its use of HMAC-SHA1 as the pseudo-random
- function: When used in connection with 192- or 256-bit AES encryption, the
- fact that HMAC-SHA1 produces a 160-bit result means that, regardless of the
- password that you specify, the search space for the encryption key is
- unlikely to reach the theoretical 192- or 256-bit maximum, and cannot be
- guaranteed to exceed 160 bits. This is discussed in section B.1.1 of the
- RFC2898 specification.
-
-VII. Developer Information Mailing List Signup
-
-We plan to use this mailing list to notify subscribers of any substantive
-changes made to the Developer Information pages on the WinZip web site.
-
-
-
- If you enter your e-mail address above, you will receive a message
- asking you to confirm your wish to be added to the mailing list. If you
- don't reply to the confirmation message, you will not be added to the
- list.
-
- By subscribing to this complimentary mailing list service, you
- acknowledge and agree that WinZip Computing makes no representations
- regarding the completeness or accuracy of the information provided
- through the service, and that this service may be discontinued, in whole
- or in part, with respect to any or all subscribers at any time.
- * E-mail Address:
- [ ] [Submit to Support] [Clear Form]
-━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
-
-Document version: 1.04
-Last modified: January 30, 2009
-
-Copyright(C) 2003-2015 WinZip International LLC.
-All Rights Reserved
+++ /dev/null
-[Info-ZIP note, 20040528: this file is based on PKWARE's appnote.txt of\r
- 15 February 1996, taking into account PKWARE's revised appnote.txt\r
- version 6.2.0 of 26 April 2004. It has been unofficially corrected\r
- and extended by Info-ZIP without explicit permission by PKWARE.\r
- Although Info-ZIP believes the information to be accurate and complete,\r
- it is provided under a disclaimer similar to the PKWARE disclaimer below,\r
- differing only in the substitution of "Info-ZIP" for "PKWARE". In other\r
- words, use this information at your own risk, but we think it's correct.\r
-\r
- Specification info from PKWARE that was obviously wrong has been corrected\r
- silently (e.g. missing structure fields, wrong numbers).\r
- As of PKZIPW 2.50, two new incompatibilities have been introduced by PKWARE;\r
- they are noted below. Note that the "NTFS tag" conflict is currently not\r
- real; PKZIPW 2.50 actually tags NTFS files as having come from a FAT\r
- file system, too.]\r
-\r
-File: APPNOTE.TXT - .ZIP File Format Specification\r
-Version: 6.2.0 - NOTIFICATION OF CHANGE\r
-Revised: 04/26/2004 [2004-05-28 Info-ZIP]\r
-Copyright (c) 1989 - 2004 PKWARE Inc., All Rights Reserved.\r
-\r
-I. Purpose\r
-----------\r
-\r
-This specification is intended to define a cross-platform,\r
-interoperable file format. Since its first publication\r
-in 1989, PKWARE has remained committed to ensuring the\r
-interoperability of the .ZIP file format through this\r
-specification. We trust that all .ZIP compatible vendors\r
-and application developers that have adopted this format\r
-will share and support this commitment.\r
-\r
-\r
-II. Disclaimer\r
---------------\r
-\r
-Although PKWARE will attempt to supply current and accurate\r
-information relating to its file formats, algorithms, and the\r
-subject programs, the possibility of error or omission can not\r
-be eliminated. PKWARE therefore expressly disclaims any warranty\r
-that the information contained in the associated materials relating\r
-to the subject programs and/or the format of the files created or\r
-accessed by the subject programs and/or the algorithms used by\r
-the subject programs, or any other matter, is current, correct or\r
-accurate as delivered. Any risk of damage due to any possible\r
-inaccurate information is assumed by the user of the information.\r
-Furthermore, the information relating to the subject programs\r
-and/or the file formats created or accessed by the subject\r
-programs and/or the algorithms used by the subject programs is\r
-subject to change without notice.\r
-\r
-If the version of this file is marked as a NOTIFICATION OF CHANGE,\r
-the content defines an Early Feature Specification (EFS) change\r
-to the .ZIP file format that may be subject to modification prior\r
-to publication of the Final Feature Specification (FFS). This\r
-document may also contain information on Planned Feature\r
-Specifications (PFS) defining recognized future extensions.\r
-\r
-\r
-III. Change Log\r
----------------\r
-\r
-Version Change Description Date\r
-------- ------------------ ----------\r
-5.2 -Single Password Symmetric Encryption 06/02/2003\r
- storage\r
-\r
-6.1.0 -Smart Card compatibility 01/20/2004\r
- -Documentation on certificate storage\r
-\r
-6.2.0 -Introduction of Central Directory 04/26/2004\r
- Encryption for encrypting metadata\r
- -Added OS/X to Version Made By values\r
-\r
-\r
-IV. General Format of a .ZIP file\r
----------------------------------\r
-\r
- Files stored in arbitrary order. Large .ZIP files can span multiple\r
- diskette media or be split into user-defined segment sizes. [The\r
- minimum user-defined segment size for a split .ZIP file is 64K.\r
- (removed by PKWare 2003-06-01)]\r
-\r
- Overall .ZIP file format:\r
-\r
- [local file header 1]\r
- [file data 1]\r
- [data descriptor 1]\r
- .\r
- .\r
- .\r
- [local file header n]\r
- [file data n]\r
- [data descriptor n]\r
- [archive decryption header] (EFS)\r
- [archive extra data record] (EFS)\r
- [central directory]\r
- [zip64 end of central directory record]\r
- [zip64 end of central directory locator]\r
- [end of central directory record]\r
-\r
-\r
- A. Local file header:\r
-\r
- local file header signature 4 bytes (0x04034b50)\r
- version needed to extract 2 bytes\r
- general purpose bit flag 2 bytes\r
- compression method 2 bytes\r
- last mod file time 2 bytes\r
- last mod file date 2 bytes\r
- crc-32 4 bytes\r
- compressed size 4 bytes\r
- uncompressed size 4 bytes\r
- file name length 2 bytes\r
- extra field length 2 bytes\r
-\r
- file name (variable size)\r
- extra field (variable size)\r
-\r
-\r
- B. File data\r
-\r
- Immediately following the local header for a file\r
- is the compressed or stored data for the file.\r
- The series of [local file header][file data][data\r
- descriptor] repeats for each file in the .ZIP archive.\r
-\r
-\r
- C. Data descriptor:\r
-\r
- [Info-ZIP discrepancy:\r
- The Info-ZIP zip program starts the data descriptor with a 4-byte\r
- PK-style signature. Despite the specification, none of the PKWARE\r
- programs supports the data descriptor. PKZIP 4.0 -fix function\r
- (and PKZIPFIX 2.04) ignores the data descriptor info even when bit 3\r
- of the general purpose bit flag is set.\r
- data descriptor signature 4 bytes (0x08074b50)\r
- ]\r
- crc-32 4 bytes\r
- compressed size 4 bytes\r
- uncompressed size 4 bytes\r
-\r
- This descriptor exists only if bit 3 of the general\r
- purpose bit flag is set (see below). It is byte aligned\r
- and immediately follows the last byte of compressed data.\r
- This descriptor is used only when it was not possible to\r
- seek in the output .ZIP file, e.g., when the output .ZIP file\r
- was standard output or a non seekable device. For Zip64 format\r
- archives, the compressed and uncompressed sizes are 8 bytes each.\r
-\r
-\r
- D. Archive decryption header: (EFS)\r
-\r
- The Archive Decryption Header is introduced in version 6.2\r
- of the ZIP format specification. This record exists in support\r
- of the Central Directory Encryption Feature implemented as part of\r
- the Strong Encryption Specification as described in this document.\r
- When the Central Directory Structure is encrypted, this decryption\r
- header will precede the encrypted data segment. The encrypted\r
- data segment will consist of the Archive extra data record (if\r
- present) and the encrypted Central Directory Structure data.\r
- The format of this data record is identical to the Decryption\r
- header record preceding compressed file data. If the central\r
- directory structure is encrypted, the location of the start of\r
- this data record is determined using the Start of Central Directory\r
- field in the Zip64 End of Central Directory record. Refer to the\r
- section on the Strong Encryption Specification for information\r
- on the fields used in the Archive Decryption Header record.\r
-\r
-\r
- E. Archive extra data record: (EFS)\r
-\r
- archive extra data signature 4 bytes (0x08064b50)\r
- extra field length 4 bytes\r
- extra field data (variable size)\r
-\r
- The Archive Extra Data Record is introduced in version 6.2\r
- of the ZIP format specification. This record exists in support\r
- of the Central Directory Encryption Feature implemented as part of\r
- the Strong Encryption Specification as described in this document.\r
- When present, this record immediately precedes the central\r
- directory data structure. The size of this data record will be\r
- included in the Size of the Central Directory field in the\r
- End of Central Directory record. If the central directory structure\r
- is compressed, but not encrypted, the location of the start of\r
- this data record is determined using the Start of Central Directory\r
- field in the Zip64 End of Central Directory record.\r
-\r
-\r
- F. Central directory structure:\r
-\r
- [file header 1]\r
- .\r
- .\r
- .\r
- [file header n]\r
- [digital signature]\r
-\r
- File header:\r
-\r
- central file header signature 4 bytes (0x02014b50)\r
- version made by 2 bytes\r
- version needed to extract 2 bytes\r
- general purpose bit flag 2 bytes\r
- compression method 2 bytes\r
- last mod file time 2 bytes\r
- last mod file date 2 bytes\r
- crc-32 4 bytes\r
- compressed size 4 bytes\r
- uncompressed size 4 bytes\r
- file name length 2 bytes\r
- extra field length 2 bytes\r
- file comment length 2 bytes\r
- disk number start 2 bytes\r
- internal file attributes 2 bytes\r
- external file attributes 4 bytes\r
- relative offset of local header 4 bytes\r
-\r
- file name (variable size)\r
- extra field (variable size)\r
- file comment (variable size)\r
-\r
- Digital signature:\r
-\r
- header signature 4 bytes (0x05054b50)\r
- size of data 2 bytes\r
- signature data (variable size)\r
-\r
- With the introduction of the Central Directory Encryption\r
- feature in version 6.2 of this specification, the Central\r
- Directory Structure may be stored both compressed and encrypted.\r
- Although not required, it is assumed when encrypting the\r
- Central Directory Structure, that it will be compressed\r
- for greater storage efficiency. Information on the\r
- Central Directory Encryption feature can be found in the section\r
- describing the Strong Encryption Specification. The Digital\r
- Signature record will be neither compressed nor encrypted.\r
-\r
-\r
- G. Zip64 end of central directory record\r
-\r
- zip64 end of central dir\r
- signature 4 bytes (0x06064b50)\r
- size of zip64 end of central\r
- directory record 8 bytes\r
- version made by 2 bytes\r
- version needed to extract 2 bytes\r
- number of this disk 4 bytes\r
- number of the disk with the\r
- start of the central directory 4 bytes\r
- total number of entries in the\r
- central directory on this disk 8 bytes\r
- total number of entries in the\r
- central directory 8 bytes\r
- size of the central directory 8 bytes\r
- offset of start of central\r
- directory with respect to\r
- the starting disk number 8 bytes\r
- zip64 extensible data sector (variable size)\r
-\r
- The above record structure defines Version 1 of the\r
- Zip64 end of central directory record. Version 1 was\r
- implemented in versions of this specification preceding\r
- 6.2 in support of the ZIP64(tm) large file feature. The\r
- introduction of the Central Directory Encryption feature\r
- implemented in version 6.2 as part of the Strong Encryption\r
- Specification defines Version 2 of this record structure.\r
- Refer to the section describing the Strong Encryption\r
- Specification for details on the version 2 format for\r
- this record.\r
-\r
-\r
- H. Zip64 end of central directory locator\r
-\r
- zip64 end of central dir locator\r
- signature 4 bytes (0x07064b50)\r
- number of the disk with the\r
- start of the zip64 end of\r
- central directory 4 bytes\r
- relative offset of the zip64\r
- end of central directory record 8 bytes\r
- total number of disks 4 bytes\r
-\r
-\r
- I. End of central directory record:\r
-\r
- end of central dir signature 4 bytes (0x06054b50)\r
- number of this disk 2 bytes\r
- number of the disk with the\r
- start of the central directory 2 bytes\r
- total number of entries in the\r
- central directory on this disk 2 bytes\r
- total number of entries in\r
- the central directory 2 bytes\r
- size of the central directory 4 bytes\r
- offset of start of central\r
- directory with respect to\r
- the starting disk number 4 bytes\r
- .ZIP file comment length 2 bytes\r
- .ZIP file comment (variable size)\r
-\r
-\r
- J. Explanation of fields:\r
-\r
- version made by (2 bytes)\r
-\r
- [PKWARE describes "OS made by" now (since 1998) as follows:\r
- The upper byte indicates the compatibility of the file\r
- attribute information. If the external file attributes\r
- are compatible with MS-DOS and can be read by PKZIP for\r
- DOS version 2.04g then this value will be zero. If these\r
- attributes are not compatible, then this value will\r
- identify the host system on which the attributes are\r
- compatible.]\r
- The upper byte indicates the host system (OS) for the\r
- file. Software can use this information to determine\r
- the line record format for text files etc. The current\r
- mappings are:\r
-\r
- 0 - FAT file system (DOS, OS/2, NT) + PKWARE 2.50+ VFAT, NTFS\r
- 1 - Amiga\r
- 2 - OpenVMS\r
- 3 - Unix\r
- 4 - VM/CMS\r
- 5 - Atari ST\r
- 6 - HPFS file system (OS/2, NT 3.x)\r
- 7 - Macintosh\r
- 8 - Z-System\r
- 9 - CP/M\r
- ---------------------------------------------------------------------\r
- PKWARE assignment | Info-ZIP assignment\r
- -----------------------------------|---------------------------------\r
- 10 - Windows NTFS | TOPS-20\r
- (since PKZIPW 2.50, but | (assigned Oct-1992,\r
- not used by any PKWARE prog) | no longer used)\r
- 11 - MVS | NTFS file system (WinNT)\r
- | (actively used by Info-ZIP's\r
- | Zip for NT since Sep-1993)\r
- 12 - VSE | SMS/QDOS\r
- ---------------------------------------------------------------------\r
- 13 - Acorn RISC OS\r
- 14 - VFAT file system (Win95, NT) [Info-ZIP reservation, unused]\r
- 15 - MVS [PKWARE describes this assignment as "alternate MVS"]\r
- 16 - BeOS (BeBox or PowerMac)\r
- 17 - Tandem\r
- 18 - OS/400 (IBM) | THEOS\r
- 19 - OS/X (Darwin)\r
- 20 thru 29 - unused\r
- 30 - AtheOS/Syllable\r
- 31 thru 255 - unused\r
-\r
- The lower byte indicates the ZIP specification version\r
- (the version of this document) supported by the software\r
- used to encode the file. The value/10 indicates the major\r
- version number, and the value mod 10 is the minor version\r
- number.\r
-\r
- version needed to extract (2 bytes)\r
-\r
- The minimum supported ZIP specification version needed to\r
- extract the file, mapped as above. This value is based on\r
- the specific format features a ZIP program must support to\r
- be able to extract the file. If multiple features are\r
- applied to a file, the minimum version should be set to the\r
- feature having the highest value. New features or feature\r
- changes affecting the published format specification will be\r
- implemented using higher version numbers than the last\r
- published value to avoid conflict.\r
-\r
- Current minimum feature versions are as defined below:\r
-\r
- 1.0 - Default value\r
- 1.1 - File is a volume label\r
- 2.0 - File is a folder (directory)\r
- 2.0 - File is compressed using Deflate compression\r
- 2.0 - File is encrypted using traditional PKWARE encryption\r
- 2.1 - File is compressed using Deflate64(tm)\r
- 2.5 - File is compressed using PKWARE DCL Implode\r
- 2.7 - File is a patch data set\r
- 4.5 - File uses ZIP64 format extensions\r
- 4.6 - File is compressed using BZIP2 compression*\r
- 5.0 - File is encrypted using DES\r
- 5.0 - File is encrypted using 3DES\r
- 5.0 - File is encrypted using original RC2 encryption\r
- 5.0 - File is encrypted using RC4 encryption\r
- 5.1 - File is encrypted using AES encryption\r
- 5.1 - File is encrypted using corrected RC2 encryption**\r
- 5.2 - File is encrypted using corrected RC2-64 encryption**\r
- 6.1 - File is encrypted using non-OAEP key wrapping***\r
- 6.2 - Central directory encryption\r
-\r
-\r
- * Early 7.x (pre-7.2) versions of PKZIP incorrectly set the\r
- version needed to extract for BZIP2 compression to be 50\r
- when it should have been 46.\r
-\r
- ** Refer to the section on Strong Encryption Specification\r
- for additional information regarding RC2 corrections.\r
-\r
- *** Certificate encryption using non-OAEP key wrapping is the\r
- intended mode of operation for all versions beginning with 6.1.\r
- Support for OAEP key wrapping should only be used for\r
- backward compatibility when sending ZIP files to be opened by\r
- versions of PKZIP older than 6.1 (5.0 or 6.0).\r
-\r
- When using ZIP64 extensions, the corresponding value in the\r
- Zip64 end of central directory record should also be set.\r
- This field currently supports only the value 45 to indicate\r
- ZIP64 extensions are present.\r
-\r
- general purpose bit flag: (2 bytes)\r
-\r
- Bit 0: If set, indicates that the file is encrypted.\r
-\r
- (For Method 6 - Imploding)\r
- Bit 1: If the compression method used was type 6,\r
- Imploding, then this bit, if set, indicates\r
- an 8K sliding dictionary was used. If clear,\r
- then a 4K sliding dictionary was used.\r
- Bit 2: If the compression method used was type 6,\r
- Imploding, then this bit, if set, indicates\r
- 3 Shannon-Fano trees were used to encode the\r
- sliding dictionary output. If clear, then 2\r
- Shannon-Fano trees were used.\r
-\r
- (For Methods 8 and 9 - Deflating)\r
- Bit 2 Bit 1\r
- 0 0 Normal (-en) compression option was used.\r
- 0 1 Maximum (-exx/-ex) compression option was used.\r
- 1 0 Fast (-ef) compression option was used.\r
- 1 1 Super Fast (-es) compression option was used.\r
-\r
- Note: Bits 1 and 2 are undefined if the compression\r
- method is any other.\r
-\r
- Bit 3: If this bit is set, the fields crc-32, compressed\r
- size and uncompressed size are set to zero in the\r
- local header. The correct values are put in the\r
- data descriptor immediately following the compressed\r
- data. (Note: PKZIP version 2.04g for DOS only\r
- recognizes this bit for method 8 compression, newer\r
- versions of PKZIP recognize this bit for any\r
- compression method.)\r
- [Info-ZIP note: This bit was introduced by PKZIP 2.04 for\r
- DOS. In general, this feature can only be reliably used\r
- together with compression methods that allow intrinsic\r
- detection of the "end-of-compressed-data" condition. From\r
- the set of compression methods described in this Zip archive\r
- specification, only "deflate" and "bzip2" fulfill this\r
- requirement.\r
- Especially, the method STORED does not work!\r
- The Info-ZIP tools recognize this bit regardless of the\r
- compression method; but, they rely on correctly set\r
- "compressed size" information in the central directory entry.]\r
-\r
- Bit 4: Reserved for use with method 8, for enhanced\r
- deflating.\r
-\r
- Bit 5: If this bit is set, this indicates that the file is\r
- compressed patched data. (Note: Requires PKZIP\r
- version 2.70 or greater)\r
-\r
- Bit 6: Strong encryption. If this bit is set, you should\r
- set the version needed to extract value to at least\r
- 50 and you must also set bit 0. If AES encryption\r
- is used, the version needed to extract value must\r
- be at least 51.\r
-\r
- Bit 7: Currently unused.\r
-\r
- Bit 8: Currently unused.\r
-\r
- Bit 9: Currently unused.\r
-\r
- Bit 10: Currently unused.\r
-\r
- Bit 11: Currently unused.\r
-\r
- Bit 12: Reserved by PKWARE for enhanced compression.\r
-\r
- Bit 13: Used when encrypting the Central Directory to indicate\r
- selected data values in the Local Header are masked to\r
- hide their actual values. See the section describing\r
- the Strong Encryption Specification for details.\r
-\r
- Bit 14: Reserved by PKWARE.\r
-\r
- Bit 15: Reserved by PKWARE.\r
-\r
- compression method: (2 bytes)\r
-\r
- (see accompanying documentation for algorithm\r
- descriptions)\r
-\r
- 0 - The file is stored (no compression)\r
- 1 - The file is Shrunk\r
- 2 - The file is Reduced with compression factor 1\r
- 3 - The file is Reduced with compression factor 2\r
- 4 - The file is Reduced with compression factor 3\r
- 5 - The file is Reduced with compression factor 4\r
- 6 - The file is Imploded\r
- 7 - Reserved for Tokenizing compression algorithm\r
- 8 - The file is Deflated\r
- 9 - Enhanced Deflating using Deflate64(tm)\r
- 10 - PKWARE Data Compression Library Imploding\r
- 11 - Reserved by PKWARE\r
- 12 - File is compressed using BZIP2 algorithm\r
-\r
- date and time fields: (2 bytes each)\r
-\r
- The date and time are encoded in standard MS-DOS format.\r
- If input came from standard input, the date and time are\r
- those at which compression was started for this data.\r
- If encrypting the central directory and general purpose bit\r
- flag 13 is set indicating masking, the value stored in the\r
- Local Header will be zero.\r
-\r
- CRC-32: (4 bytes)\r
-\r
- The CRC-32 algorithm was generously contributed by\r
- David Schwaderer and can be found in his excellent\r
- book "C Programmers Guide to NetBIOS" published by\r
- Howard W. Sams & Co. Inc. The 'magic number' for\r
- the CRC is 0xdebb20e3. The proper CRC pre and post\r
- conditioning is used, meaning that the CRC register\r
- is pre-conditioned with all ones (a starting value\r
- of 0xffffffff) and the value is post-conditioned by\r
- taking the one's complement of the CRC residual.\r
- If bit 3 of the general purpose flag is set, this\r
- field is set to zero in the local header and the correct\r
- value is put in the data descriptor and in the central\r
- directory. If encrypting the central directory and general\r
- purpose bit flag 13 is set indicating masking, the value\r
- stored in the Local Header will be zero.\r
-\r
- compressed size: (4 bytes)\r
- uncompressed size: (4 bytes)\r
-\r
- The size of the file compressed and uncompressed,\r
- respectively. If bit 3 of the general purpose bit flag\r
- is set, these fields are set to zero in the local header\r
- and the correct values are put in the data descriptor and\r
- in the central directory. If an archive is in zip64 format\r
- and the value in this field is 0xFFFFFFFF, the size will be\r
- in the corresponding 8 byte zip64 extended information\r
- extra field. If encrypting the central directory and general\r
- purpose bit flag 13 is set indicating masking, the value stored\r
- for the uncompressed size in the Local Header will be zero.\r
-\r
- file name length: (2 bytes)\r
- extra field length: (2 bytes)\r
- file comment length: (2 bytes)\r
-\r
- The length of the file name, extra field, and comment\r
- fields respectively. The combined length of any\r
- directory record and these three fields should not\r
- generally exceed 65,535 bytes. If input came from standard\r
- input, the file name length is set to zero.\r
-\r
- [Info-ZIP note:\r
- This feature is not yet supported by any PKWARE version of ZIP\r
- (at least not in PKZIP for DOS and PKZIP for Windows/WinNT).\r
- The Info-ZIP programs handle standard input differently:\r
- If input came from standard input, the filename is set to "-"\r
- (length one).]\r
-\r
-\r
- disk number start: (2 bytes)\r
-\r
- The number of the disk on which this file begins. If an\r
- archive is in zip64 format and the value in this field is\r
- 0xFFFF, the size will be in the corresponding 4 byte zip64\r
- extended information extra field.\r
-\r
- internal file attributes: (2 bytes)\r
-\r
- Bits 1 and 2 are reserved for use by PKWARE.\r
-\r
- The lowest bit of this field indicates, if set, that\r
- the file is apparently an ASCII or text file. If not\r
- set, that the file apparently contains binary data.\r
- The remaining bits are unused in version 1.0.\r
-\r
- The 0x0002 bit of this field indicates, if set, that a\r
- 4 byte variable record length control field precedes each\r
- logical record indicating the length of the record. This\r
- flag is independent of text control characters, and if used\r
- in conjunction with text data, includes any control\r
- characters in the total length of the record. This value is\r
- provided for mainframe data transfer support.\r
-\r
- external file attributes: (4 bytes)\r
-\r
- The mapping of the external attributes is\r
- host-system dependent (see 'version made by'). For\r
- MS-DOS, the low order byte is the MS-DOS directory\r
- attribute byte. If input came from standard input, this\r
- field is set to zero.\r
-\r
- relative offset of local header: (4 bytes)\r
-\r
- This is the offset from the start of the first disk on\r
- which this file appears, to where the local header should\r
- be found. If an archive is in zip64 format and the value\r
- in this field is 0xFFFFFFFF, the size will be in the\r
- corresponding 8 byte zip64 extended information extra field.\r
-\r
- file name: (Variable)\r
-\r
- The name of the file, with optional relative path.\r
- The path stored should not contain a drive or\r
- device letter, or a leading slash. All slashes\r
- should be forward slashes '/' as opposed to\r
- backwards slashes '\' for compatibility with Amiga\r
- and Unix file systems etc. If input came from standard\r
- input, there is no file name field. If encrypting\r
- the central directory and general purpose bit flag 13 is set\r
- indicating masking, the file name stored in the Local Header\r
- will not be the actual file name. A masking value consisting\r
- of a unique hexadecimal value will be stored. This value will\r
- be sequentially incremented for each file in the archive. See\r
- the section on the Strong Encryption Specification for details\r
- on retrieving the encrypted file name.\r
- [Info-ZIP discrepancy:\r
- If input came from standard input, the file name is set\r
- to "-" (without the quotes).\r
- As far as we know, the PKWARE specification for "input from\r
- stdin" is not supported by PKZIP/PKUNZIP for DOS, OS/2, Windows\r
- Windows NT.]\r
-\r
- extra field: (Variable)\r
-\r
- This is for expansion. If additional information\r
- needs to be stored for special needs or for specific\r
- platforms, it should be stored here. Earlier versions\r
- of the software can then safely skip this file, and\r
- find the next file or header. This field will be 0\r
- length in version 1.0.\r
-\r
- In order to allow different programs and different types\r
- of information to be stored in the 'extra' field in .ZIP\r
- files, the following structure should be used for all\r
- programs storing data in this field:\r
-\r
- header1+data1 + header2+data2 . . .\r
-\r
- Each header should consist of:\r
-\r
- Header ID - 2 bytes\r
- Data Size - 2 bytes\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- The Header ID field indicates the type of data that is in\r
- the following data block.\r
-\r
- Header ID's of 0 thru 31 are reserved for use by PKWARE.\r
- The remaining ID's can be used by third party vendors for\r
- proprietary usage.\r
-\r
- The current Header ID mappings defined by PKWARE are:\r
-\r
- 0x0001 ZIP64 extended information extra field\r
- 0x0007 AV Info\r
- 0x0008 Reserved for future Unicode file name data (PFS)\r
- 0x0009 OS/2 extended attributes (also Info-ZIP)\r
- 0x000a NTFS (Win9x/WinNT FileTimes)\r
- 0x000c OpenVMS (also Info-ZIP)\r
- 0x000d Unix\r
- 0x000e Reserved for file stream and fork descriptors\r
- 0x000f Patch Descriptor\r
- 0x0014 PKCS#7 Store for X.509 Certificates\r
- 0x0015 X.509 Certificate ID and Signature for\r
- individual file\r
- 0x0016 X.509 Certificate ID for Central Directory\r
- 0x0017 Strong Encryption Header\r
- 0x0018 Record Management Controls\r
- 0x0019 PKCS#7 Encryption Recipient Certificate List\r
- 0x0065 IBM S/390 (Z390), AS/400 (I400) attributes\r
- - uncompressed\r
- 0x0066 Reserved for IBM S/390 (Z390), AS/400 (I400)\r
- attributes - compressed\r
-\r
- The Header ID mappings defined by Info-ZIP and third parties are:\r
-\r
- 0x07c8 Info-ZIP Macintosh (old, J. Lee)\r
- 0x2605 ZipIt Macintosh (first version)\r
- 0x2705 ZipIt Macintosh v 1.3.5 and newer (w/o full filename)\r
- 0x2805 ZipIt Macintosh 1.3.5+\r
- 0x334d Info-ZIP Macintosh (new, D. Haase's 'Mac3' field)\r
- 0x4154 Tandem NSK\r
- 0x4341 Acorn/SparkFS (David Pilling)\r
- 0x4453 Windows NT security descriptor (binary ACL)\r
- 0x4704 VM/CMS\r
- 0x470f MVS\r
- 0x4854 Theos, old inofficial port\r
- 0x4b46 FWKCS MD5 (see below)\r
- 0x4c41 OS/2 access control list (text ACL)\r
- 0x4d49 Info-ZIP OpenVMS (obsolete)\r
- 0x4d63 Macintosh SmartZIP, by Macro Bambini\r
- 0x4f4c Xceed original location extra field\r
- 0x5356 AOS/VS (binary ACL)\r
- 0x5455 extended timestamp\r
- 0x554e Xceed unicode extra field\r
- 0x5855 Info-ZIP Unix (original; also OS/2, NT, etc.)\r
- 0x6542 BeOS (BeBox, PowerMac, etc.)\r
- 0x6854 Theos\r
- 0x7441 AtheOS (AtheOS/Syllable attributes)\r
- 0x756e ASi Unix\r
- 0x7855 Info-ZIP Unix (new)\r
- 0xfb4a SMS/QDOS\r
-\r
- Detailed descriptions of Extra Fields defined by third\r
- party mappings will be documented as information on\r
- these data structures is made available to PKWARE.\r
- PKWARE does not guarantee the accuracy of any published\r
- third party data.\r
-\r
- The Data Size field indicates the size of the following\r
- data block. Programs can use this value to skip to the\r
- next header block, passing over any data blocks that are\r
- not of interest.\r
-\r
- Note: As stated above, the size of the entire .ZIP file\r
- header, including the file name, comment, and extra\r
- field should not exceed 64K in size.\r
-\r
- In case two different programs should appropriate the same\r
- Header ID value, it is strongly recommended that each\r
- program place a unique signature of at least two bytes in\r
- size (and preferably 4 bytes or bigger) at the start of\r
- each data area. Every program should verify that its\r
- unique signature is present, in addition to the Header ID\r
- value being correct, before assuming that it is a block of\r
- known type.\r
-\r
- In the following descriptions, note that "Short" means two bytes,\r
- "Long" means four bytes, and "Long-Long" means eight bytes,\r
- regardless of their native sizes. Unless specifically noted, all\r
- integer fields should be interpreted as unsigned (non-negative)\r
- numbers.\r
-\r
-\r
- -ZIP64 Extended Information Extra Field (0x0001):\r
- ===============================================\r
-\r
- The following is the layout of the ZIP64 extended\r
- information "extra" block. If one of the size or\r
- offset fields in the Local or Central directory\r
- record is too small to hold the required data,\r
- a ZIP64 extended information record is created.\r
- The order of the fields in the ZIP64 extended\r
- information record is fixed, but the fields will\r
- only appear if the corresponding Local or Central\r
- directory record field is set to 0xFFFF or 0xFFFFFFFF.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (ZIP64) 0x0001 2 bytes Tag for this "extra" block type\r
- Size 2 bytes Size of this "extra" block\r
- Original\r
- Size 8 bytes Original uncompressed file size\r
- Compressed\r
- Size 8 bytes Size of compressed data\r
- Relative Header\r
- Offset 8 bytes Offset of local header record\r
- Disk Start\r
- Number 4 bytes Number of the disk on which\r
- this file starts\r
-\r
- This entry in the Local header must include BOTH original\r
- and compressed file sizes.\r
-\r
-\r
- -OS/2 Extended Attributes Extra Field (0x0009):\r
- =============================================\r
-\r
- The following is the layout of the OS/2 extended attributes "extra"\r
- block. (Last Revision 19960922)\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (OS/2) 0x0009 Short tag for this extra block type\r
- TSize Short total data size for this block\r
- BSize Long uncompressed EA data size\r
- CType Short compression type\r
- EACRC Long CRC value for uncompressed EA data\r
- (var.) variable compressed EA data\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (OS/2) 0x0009 Short tag for this extra block type\r
- TSize Short total data size for this block (4)\r
- BSize Long size of uncompressed local EA data\r
-\r
- The value of CType is interpreted according to the "compression\r
- method" section above; i.e., 0 for stored, 8 for deflated, etc.\r
-\r
- The OS/2 extended attribute structure (FEA2LIST) is\r
- compressed and then stored in its entirety within this\r
- structure. There will only ever be one "block" of data in\r
- the variable-length field.\r
-\r
-\r
- -OS/2 Access Control List Extra Field:\r
- ====================================\r
-\r
- The following is the layout of the OS/2 ACL extra block.\r
- (Last Revision 19960922)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (ACL) 0x4c41 Short tag for this extra block type ("AL")\r
- TSize Short total data size for this block\r
- BSize Long uncompressed ACL data size\r
- CType Short compression type\r
- EACRC Long CRC value for uncompressed ACL data\r
- (var.) variable compressed ACL data\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (ACL) 0x4c41 Short tag for this extra block type ("AL")\r
- TSize Short total data size for this block (4)\r
- BSize Long size of uncompressed local ACL data\r
-\r
- The value of CType is interpreted according to the "compression\r
- method" section above; i.e., 0 for stored, 8 for deflated, etc.\r
-\r
- The uncompressed ACL data consist of a text header of the form\r
- "ACL1:%hX,%hd\n", where the first field is the OS/2 ACCINFO acc_attr\r
- member and the second is acc_count, followed by acc_count strings\r
- of the form "%s,%hx\n", where the first field is acl_ugname (user\r
- group name) and the second acl_access. This block type will be\r
- extended for other operating systems as needed.\r
-\r
-\r
- -Windows NT Security Descriptor Extra Field (0x4453):\r
- ===================================================\r
-\r
- The following is the layout of the NT Security Descriptor (another\r
- type of ACL) extra block. (Last Revision 19960922)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (SD) 0x4453 Short tag for this extra block type ("SD")\r
- TSize Short total data size for this block\r
- BSize Long uncompressed SD data size\r
- Version Byte version of uncompressed SD data format\r
- CType Short compression type\r
- EACRC Long CRC value for uncompressed SD data\r
- (var.) variable compressed SD data\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (SD) 0x4453 Short tag for this extra block type ("SD")\r
- TSize Short total data size for this block (4)\r
- BSize Long size of uncompressed local SD data\r
-\r
- The value of CType is interpreted according to the "compression\r
- method" section above; i.e., 0 for stored, 8 for deflated, etc.\r
- Version specifies how the compressed data are to be interpreted\r
- and allows for future expansion of this extra field type. Currently\r
- only version 0 is defined.\r
-\r
- For version 0, the compressed data are to be interpreted as a single\r
- valid Windows NT SECURITY_DESCRIPTOR data structure, in self-relative\r
- format.\r
-\r
-\r
- -PKWARE Win95/WinNT Extra Field (0x000a):\r
- =======================================\r
-\r
- The following description covers PKWARE's "NTFS" attributes\r
- "extra" block, introduced with the release of PKZIP 2.50 for\r
- Windows. (Last Revision 20001118)\r
-\r
- (Note: At this time the Mtime, Atime and Ctime values may\r
- be used on any WIN32 system.)\r
- [Info-ZIP note: In the current implementations, this field has\r
- a fixed total data size of 32 bytes and is only stored as local\r
- extra field.]\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (NTFS) 0x000a Short Tag for this "extra" block type\r
- TSize Short Total Data Size for this block\r
- Reserved Long for future use\r
- Tag1 Short NTFS attribute tag value #1\r
- Size1 Short Size of attribute #1, in bytes\r
- (var.) SubSize1 Attribute #1 data\r
- .\r
- .\r
- .\r
- TagN Short NTFS attribute tag value #N\r
- SizeN Short Size of attribute #N, in bytes\r
- (var.) SubSizeN Attribute #N data\r
-\r
- For NTFS, values for Tag1 through TagN are as follows:\r
- (currently only one set of attributes is defined for NTFS)\r
-\r
- Tag Size Description\r
- ----- ---- -----------\r
- 0x0001 2 bytes Tag for attribute #1\r
- Size1 2 bytes Size of attribute #1, in bytes (24)\r
- Mtime 8 bytes 64-bit NTFS file last modification time\r
- Atime 8 bytes 64-bit NTFS file last access time\r
- Ctime 8 bytes 64-bit NTFS file creation time\r
-\r
- The total length for this block is 28 bytes, resulting in a\r
- fixed size value of 32 for the TSize field of the NTFS block.\r
-\r
- The NTFS filetimes are 64-bit unsigned integers, stored in Intel\r
- (least significant byte first) byte order. They determine the\r
- number of 1.0E-07 seconds (1/10th microseconds!) past WinNT "epoch",\r
- which is "01-Jan-1601 00:00:00 UTC".\r
-\r
-\r
- -PKWARE OpenVMS Extra Field (0x000c):\r
- ===================================\r
-\r
- The following is the layout of PKWARE's OpenVMS attributes\r
- "extra" block. (Last Revision 12/17/91)\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (VMS) 0x000c Short Tag for this "extra" block type\r
- TSize Short Total Data Size for this block\r
- CRC Long 32-bit CRC for remainder of the block\r
- Tag1 Short OpenVMS attribute tag value #1\r
- Size1 Short Size of attribute #1, in bytes\r
- (var.) Size1 Attribute #1 data\r
- .\r
- .\r
- .\r
- TagN Short OpenVMS attribute tage value #N\r
- SizeN Short Size of attribute #N, in bytes\r
- (var.) SizeN Attribute #N data\r
-\r
- Rules:\r
-\r
- 1. There will be one or more of attributes present, which\r
- will each be preceded by the above TagX & SizeX values.\r
- These values are identical to the ATR$C_XXXX and\r
- ATR$S_XXXX constants which are defined in ATR.H under\r
- OpenVMS C. Neither of these values will ever be zero.\r
-\r
- 2. No word alignment or padding is performed.\r
-\r
- 3. A well-behaved PKZIP/OpenVMS program should never produce\r
- more than one sub-block with the same TagX value. Also,\r
- there will never be more than one "extra" block of type\r
- 0x000c in a particular directory record.\r
-\r
-\r
- -Info-ZIP VMS Extra Field:\r
- ========================\r
-\r
- The following is the layout of Info-ZIP's VMS attributes extra\r
- block for VAX or Alpha AXP. The local-header and central-header\r
- versions are identical. (Last Revision 19960922)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (VMS2) 0x4d49 Short tag for this extra block type ("JM")\r
- TSize Short total data size for this block\r
- ID Long block ID\r
- Flags Short info bytes\r
- BSize Short uncompressed block size\r
- Reserved Long (reserved)\r
- (var.) variable compressed VMS file-attributes block\r
-\r
- The block ID is one of the following unterminated strings:\r
-\r
- "VFAB" struct FAB\r
- "VALL" struct XABALL\r
- "VFHC" struct XABFHC\r
- "VDAT" struct XABDAT\r
- "VRDT" struct XABRDT\r
- "VPRO" struct XABPRO\r
- "VKEY" struct XABKEY\r
- "VMSV" version (e.g., "V6.1"; truncated at hyphen)\r
- "VNAM" reserved\r
-\r
- The lower three bits of Flags indicate the compression method. The\r
- currently defined methods are:\r
-\r
- 0 stored (not compressed)\r
- 1 simple "RLE"\r
- 2 deflated\r
-\r
- The "RLE" method simply replaces zero-valued bytes with zero-valued\r
- bits and non-zero-valued bytes with a "1" bit followed by the byte\r
- value.\r
-\r
- The variable-length compressed data contains only the data corre-\r
- sponding to the indicated structure or string. Typically multiple\r
- VMS2 extra fields are present (each with a unique block type).\r
-\r
-\r
- -Info-ZIP Macintosh Extra Field:\r
- ==============================\r
-\r
- The following is the layout of the (old) Info-ZIP resource-fork extra\r
- block for Macintosh. The local-header and central-header versions\r
- are identical. (Last Revision 19960922)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac) 0x07c8 Short tag for this extra block type\r
- TSize Short total data size for this block\r
- "JLEE" beLong extra-field signature\r
- FInfo 16 bytes Macintosh FInfo structure\r
- CrDat beLong HParamBlockRec fileParam.ioFlCrDat\r
- MdDat beLong HParamBlockRec fileParam.ioFlMdDat\r
- Flags beLong info bits\r
- DirID beLong HParamBlockRec fileParam.ioDirID\r
- VolName 28 bytes volume name (optional)\r
-\r
- All fields but the first two are in native Macintosh format\r
- (big-endian Motorola order, not little-endian Intel). The least\r
- significant bit of Flags is 1 if the file is a data fork, 0 other-\r
- wise. In addition, if this extra field is present, the filename\r
- has an extra 'd' or 'r' appended to indicate data fork or resource\r
- fork. The 28-byte VolName field may be omitted.\r
-\r
-\r
- -ZipIt Macintosh Extra Field (long):\r
- ==================================\r
-\r
- The following is the layout of the ZipIt extra block for Macintosh.\r
- The local-header and central-header versions are identical.\r
- (Last Revision 19970130)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac2) 0x2605 Short tag for this extra block type\r
- TSize Short total data size for this block\r
- "ZPIT" beLong extra-field signature\r
- FnLen Byte length of FileName\r
- FileName variable full Macintosh filename\r
- FileType Byte[4] four-byte Mac file type string\r
- Creator Byte[4] four-byte Mac creator string\r
-\r
-\r
- -ZipIt Macintosh Extra Field (short, for files):\r
- ==============================================\r
-\r
- The following is the layout of a shortened variant of the\r
- ZipIt extra block for Macintosh (without "full name" entry).\r
- This variant is used by ZipIt 1.3.5 and newer for entries of\r
- files (not directories) that do not have a MacBinary encoded\r
- file. The local-header and central-header versions are identical.\r
- (Last Revision 20030602)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac2b) 0x2705 Short tag for this extra block type\r
- TSize Short total data size for this block (min. 12)\r
- "ZPIT" beLong extra-field signature\r
- FileType Byte[4] four-byte Mac file type string\r
- Creator Byte[4] four-byte Mac creator string\r
- fdFlags beShort attributes from FInfo.frFlags,\r
- may be omitted\r
- 0x0000 beShort reserved, may be omitted\r
-\r
-\r
- -ZipIt Macintosh Extra Field (short, for directories):\r
- ====================================================\r
-\r
- The following is the layout of a shortened variant of the\r
- ZipIt extra block for Macintosh used only for directory\r
- entries. This variant is used by ZipIt 1.3.5 and newer to\r
- save some optional Mac-specific information about directories.\r
- The local-header and central-header versions are identical.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac2c) 0x2805 Short tag for this extra block type\r
- TSize Short total data size for this block (12)\r
- "ZPIT" beLong extra-field signature\r
- frFlags beShort attributes from DInfo.frFlags, may\r
- be omitted\r
- View beShort ZipIt view flag, may be omitted\r
-\r
-\r
- The View field specifies ZipIt-internal settings as follows:\r
-\r
- Bits of the Flags:\r
- bit 0 if set, the folder is shown expanded (open)\r
- when the archive contents are viewed in ZipIt.\r
- bits 1-15 reserved, zero;\r
-\r
-\r
- -Info-ZIP Macintosh Extra Field (new):\r
- ====================================\r
-\r
- The following is the layout of the (new) Info-ZIP extra\r
- block for Macintosh, designed by Dirk Haase.\r
- All values are in little-endian.\r
- (Last Revision 19981005)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac3) 0x334d Short tag for this extra block type ("M3")\r
- TSize Short total data size for this block\r
- BSize Long uncompressed finder attribute data size\r
- Flags Short info bits\r
- fdType Byte[4] Type of the File (4-byte string)\r
- fdCreator Byte[4] Creator of the File (4-byte string)\r
- (CType) Short compression type\r
- (CRC) Long CRC value for uncompressed MacOS data\r
- Attribs variable finder attribute data (see below)\r
-\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac3) 0x334d Short tag for this extra block type ("M3")\r
- TSize Short total data size for this block\r
- BSize Long uncompressed finder attribute data size\r
- Flags Short info bits\r
- fdType Byte[4] Type of the File (4-byte string)\r
- fdCreator Byte[4] Creator of the File (4-byte string)\r
-\r
- The third bit of Flags in both headers indicates whether\r
- the LOCAL extra field is uncompressed (and therefore whether CType\r
- and CRC are omitted):\r
-\r
- Bits of the Flags:\r
- bit 0 if set, file is a data fork; otherwise unset\r
- bit 1 if set, filename will be not changed\r
- bit 2 if set, Attribs is uncompressed (no CType, CRC)\r
- bit 3 if set, date and times are in 64 bit\r
- if zero date and times are in 32 bit.\r
- bit 4 if set, timezone offsets fields for the native\r
- Mac times are omitted (UTC support deactivated)\r
- bits 5-15 reserved;\r
-\r
-\r
- Attributes:\r
-\r
- Attribs is a Mac-specific block of data in little-endian format with\r
- the following structure (if compressed, uncompress it first):\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- fdFlags Short Finder Flags\r
- fdLocation.v Short Finder Icon Location\r
- fdLocation.h Short Finder Icon Location\r
- fdFldr Short Folder containing file\r
-\r
- FXInfo 16 bytes Macintosh FXInfo structure\r
- FXInfo-Structure:\r
- fdIconID Short\r
- fdUnused[3] Short unused but reserved 6 bytes\r
- fdScript Byte Script flag and number\r
- fdXFlags Byte More flag bits\r
- fdComment Short Comment ID\r
- fdPutAway Long Home Dir ID\r
-\r
- FVersNum Byte file version number\r
- may be not used by MacOS\r
- ACUser Byte directory access rights\r
-\r
- FlCrDat ULong date and time of creation\r
- FlMdDat ULong date and time of last modification\r
- FlBkDat ULong date and time of last backup\r
- These time numbers are original Mac FileTime values (local time!).\r
- Currently, date-time width is 32-bit, but future version may\r
- support be 64-bit times (see flags)\r
-\r
- CrGMTOffs Long(signed!) difference "local Creat. time - UTC"\r
- MdGMTOffs Long(signed!) difference "local Modif. time - UTC"\r
- BkGMTOffs Long(signed!) difference "local Backup time - UTC"\r
- These "local time - UTC" differences (stored in seconds) may be\r
- used to support timestamp adjustment after inter-timezone transfer.\r
- These fields are optional; bit 4 of the flags word controls their\r
- presence.\r
-\r
- Charset Short TextEncodingBase (Charset)\r
- valid for the following two fields\r
-\r
- FullPath variable Path of the current file.\r
- Zero terminated string (C-String)\r
- Currently coded in the native Charset.\r
-\r
- Comment variable Finder Comment of the current file.\r
- Zero terminated string (C-String)\r
- Currently coded in the native Charset.\r
-\r
-\r
- -SmartZIP Macintosh Extra Field:\r
- ====================================\r
-\r
- The following is the layout of the SmartZIP extra\r
- block for Macintosh, designed by Marco Bambini.\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- 0x4d63 Short tag for this extra block type ("cM")\r
- TSize Short total data size for this block (64)\r
- "dZip" beLong extra-field signature\r
- fdType Byte[4] Type of the File (4-byte string)\r
- fdCreator Byte[4] Creator of the File (4-byte string)\r
- fdFlags beShort Finder Flags\r
- fdLocation.v beShort Finder Icon Location\r
- fdLocation.h beShort Finder Icon Location\r
- fdFldr beShort Folder containing file\r
- CrDat beLong HParamBlockRec fileParam.ioFlCrDat\r
- MdDat beLong HParamBlockRec fileParam.ioFlMdDat\r
- frScroll.v Byte vertical pos. of folder's scroll bar\r
- fdScript Byte Script flag and number\r
- frScroll.h Byte horizontal pos. of folder's scroll bar\r
- fdXFlags Byte More flag bits\r
- FileName Byte[32] full Macintosh filename (pascal string)\r
-\r
- All fields but the first two are in native Macintosh format\r
- (big-endian Motorola order, not little-endian Intel).\r
- The extra field size is fixed to 64 bytes.\r
- The local-header and central-header versions are identical.\r
-\r
-\r
- -Acorn SparkFS Extra Field:\r
- =========================\r
-\r
- The following is the layout of David Pilling's SparkFS extra block\r
- for Acorn RISC OS. The local-header and central-header versions are\r
- identical. (Last Revision 19960922)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Acorn) 0x4341 Short tag for this extra block type ("AC")\r
- TSize Short total data size for this block (20)\r
- "ARC0" Long extra-field signature\r
- LoadAddr Long load address or file type\r
- ExecAddr Long exec address\r
- Attr Long file permissions\r
- Zero Long reserved; always zero\r
-\r
- The following bits of Attr are associated with the given file\r
- permissions:\r
-\r
- bit 0 user-writable ('W')\r
- bit 1 user-readable ('R')\r
- bit 2 reserved\r
- bit 3 locked ('L')\r
- bit 4 publicly writable ('w')\r
- bit 5 publicly readable ('r')\r
- bit 6 reserved\r
- bit 7 reserved\r
-\r
-\r
- -VM/CMS Extra Field:\r
- ==================\r
-\r
- The following is the layout of the file-attributes extra block for\r
- VM/CMS. The local-header and central-header versions are\r
- identical. (Last Revision 19960922)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (VM/CMS) 0x4704 Short tag for this extra block type\r
- TSize Short total data size for this block\r
- flData variable file attributes data\r
-\r
- flData is an uncompressed fldata_t struct.\r
-\r
-\r
- -MVS Extra Field:\r
- ===============\r
-\r
- The following is the layout of the file-attributes extra block for\r
- MVS. The local-header and central-header versions are identical.\r
- (Last Revision 19960922)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (MVS) 0x470f Short tag for this extra block type\r
- TSize Short total data size for this block\r
- flData variable file attributes data\r
-\r
- flData is an uncompressed fldata_t struct.\r
-\r
-\r
- -PKWARE Unix Extra Field (0x000d):\r
- ================================\r
-\r
- The following is the layout of PKWARE's Unix "extra" block.\r
- It was introduced with the release of PKZIP for Unix 2.50.\r
- Note: all fields are stored in Intel low-byte/high-byte order.\r
- (Last Revision 19980901)\r
-\r
- This field has a minimum data size of 12 bytes and is only stored\r
- as local extra field.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Unix0) 0x000d Short Tag for this "extra" block type\r
- TSize Short Total Data Size for this block\r
- AcTime Long time of last access (UTC/GMT)\r
- ModTime Long time of last modification (UTC/GMT)\r
- UID Short Unix user ID\r
- GID Short Unix group ID\r
- (var) variable Variable length data field\r
-\r
- The variable length data field will contain file type\r
- specific data. Currently the only values allowed are\r
- the original "linked to" file names for hard or symbolic\r
- links, and the major and minor device node numbers for\r
- character and block device nodes. Since device nodes\r
- cannot be either symbolic or hard links, only one set of\r
- variable length data is stored. Link files will have the\r
- name of the original file stored. This name is NOT NULL\r
- terminated. Its size can be determined by checking TSize -\r
- 12. Device entries will have eight bytes stored as two 4\r
- byte entries (in little-endian format). The first entry\r
- will be the major device number, and the second the minor\r
- device number.\r
-\r
- [Info-ZIP note: The fixed part of this field has the same layout as\r
- Info-ZIP's abandoned "Unix1 timestamps & owner ID info" extra field;\r
- only the two tag bytes are different.]\r
-\r
-\r
- -PATCH Descriptor Extra Field (0x000f):\r
- =====================================\r
-\r
- The following is the layout of the Patch Descriptor "extra"\r
- block.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Patch) 0x000f Short Tag for this "extra" block type\r
- TSize Short Size of the total "extra" block\r
- Version Short Version of the descriptor\r
- Flags Long Actions and reactions (see below)\r
- OldSize Long Size of the file about to be patched\r
- OldCRC Long 32-bit CRC of the file about to be patched\r
- NewSize Long Size of the resulting file\r
- NewCRC Long 32-bit CRC of the resulting file\r
-\r
-\r
- Actions and reactions\r
-\r
- Bits Description\r
- ---- ----------------\r
- 0 Use for auto detection\r
- 1 Treat as a self-patch\r
- 2-3 RESERVED\r
- 4-5 Action (see below)\r
- 6-7 RESERVED\r
- 8-9 Reaction (see below) to absent file\r
- 10-11 Reaction (see below) to newer file\r
- 12-13 Reaction (see below) to unknown file\r
- 14-15 RESERVED\r
- 16-31 RESERVED\r
-\r
- Actions\r
-\r
- Action Value\r
- ------ -----\r
- none 0\r
- add 1\r
- delete 2\r
- patch 3\r
-\r
- Reactions\r
-\r
- Reaction Value\r
- -------- -----\r
- ask 0\r
- skip 1\r
- ignore 2\r
- fail 3\r
-\r
- Patch support is provided by PKPatchMaker(tm) technology and is\r
- covered under U.S. Patents and Patents Pending.\r
-\r
-\r
- -PKCS#7 Store for X.509 Certificates (0x0014):\r
- ============================================\r
-\r
- This field contains information about each of the certificates\r
- files may be signed with. When the Central Directory Encryption\r
- feature is enabled for a ZIP file, this record will appear in\r
- the Archive Extra Data Record, otherwise it will appear in the\r
- first central directory record and will be ignored in any\r
- other record.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Store) 0x0014 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of the store data\r
- SData TSize Data about the store\r
-\r
- SData\r
- Value Size Description\r
- ----- ---- -----------\r
- Version 2 bytes Version number, 0x0001 for now\r
- StoreD (variable) Actual store data\r
-\r
- The StoreD member is suitable for passing as the pbData\r
- member of a CRYPT_DATA_BLOB to the CertOpenStore() function\r
- in Microsoft's CryptoAPI. The SSize member above will be\r
- cbData + 6, where cbData is the cbData member of the same\r
- CRYPT_DATA_BLOB. The encoding type to pass to\r
- CertOpenStore() should be\r
- PKCS_7_ANS_ENCODING | X509_ASN_ENCODING.\r
-\r
-\r
- -X.509 Certificate ID and Signature for individual file (0x0015):\r
- ===============================================================\r
-\r
- This field contains the information about which certificate in\r
- the PKCS#7 store was used to sign a particular file. It also\r
- contains the signature data. This field can appear multiple\r
- times, but can only appear once per certificate.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (CID) 0x0015 2 bytes Tag for this "extra" block type\r
- CSize 2 bytes Size of Method\r
- Method (variable)\r
-\r
- Method\r
- Value Size Description\r
- ----- ---- -----------\r
- Version 2 bytes Version number, for now 0x0001\r
- AlgID 2 bytes Algorithm ID used for signing\r
- IDSize 2 bytes Size of Certificate ID data\r
- CertID (variable) Certificate ID data\r
- SigSize 2 bytes Size of Signature data\r
- Sig (variable) Signature data\r
-\r
- CertID\r
- Value Size Description\r
- ----- ---- -----------\r
- Size1 4 bytes Size of CertID, should be (IDSize - 4)\r
- Size1 4 bytes A bug in version one causes this value\r
- to appear twice.\r
- IssSize 4 bytes Issuer data size\r
- Issuer (variable) Issuer data\r
- SerSize 4 bytes Serial Number size\r
- Serial (variable) Serial Number data\r
-\r
- The Issuer and IssSize members are suitable for creating a\r
- CRYPT_DATA_BLOB to be the Issuer member of a CERT_INFO\r
- struct. The Serial and SerSize members would be the\r
- SerialNumber member of the same CERT_INFO struct. This\r
- struct would be used to find the certificate in the store\r
- the file was signed with. Those structures are from the MS\r
- CryptoAPI.\r
-\r
- Sig and SigSize are the actual signature data and size\r
- generated by signing the file with the MS CryptoAPI using a\r
- hash created with the given AlgID.\r
-\r
-\r
- -X.509 Certificate ID and Signature for central directory (0x0016):\r
- =================================================================\r
-\r
- This field contains the information about which certificate in\r
- the PKCS#7 store was used to sign the central directory structure.\r
- When the Central Directory Encryption feature is enabled for a\r
- ZIP file, this record will appear in the Archive Extra Data Record,\r
- otherwise it will appear in the first central directory record,\r
- along with the store. The data structure is the\r
- same as the CID, except that SigSize will be 0, and there\r
- will be no Sig member.\r
-\r
- This field is also kept after the last central directory\r
- record, as the signature data (ID 0x05054b50, it looks like\r
- a central directory record of a different type). This\r
- second copy of the data is the Signature Data member of the\r
- record, and will have a SigSize that is non-zero, and will\r
- have Sig data.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (CDID) 0x0016 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of data that follows\r
- TData TSize Data\r
-\r
-\r
- -Strong Encryption Header (0x0017) (EFS):\r
- ===============================\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- 0x0017 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of data that follows\r
- Format 2 bytes Format definition for this record\r
- AlgID 2 bytes Encryption algorithm identifier\r
- Bitlen 2 bytes Bit length of encryption key\r
- Flags 2 bytes Processing flags\r
- CertData TSize-8 Certificate decryption extra field data\r
- (refer to the explanation for CertData\r
- in the section describing the\r
- Certificate Processing Method under\r
- the Strong Encryption Specification)\r
-\r
-\r
- -Record Management Controls (0x0018):\r
- ===================================\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(Rec-CTL) 0x0018 2 bytes Tag for this "extra" block type\r
- CSize 2 bytes Size of total extra block data\r
- Tag1 2 bytes Record control attribute 1\r
- Size1 2 bytes Size of attribute 1, in bytes\r
- Data1 Size1 Attribute 1 data\r
- .\r
- .\r
- .\r
- TagN 2 bytes Record control attribute N\r
- SizeN 2 bytes Size of attribute N, in bytes\r
- DataN SizeN Attribute N data\r
-\r
-\r
- -PKCS#7 Encryption Recipient Certificate List (0x0019): (EFS)\r
- =====================================================\r
-\r
- This field contains the information about each of the certificates\r
- that files may be encrypted with. This field should only appear\r
- in the archive extra data record. This field is not required and\r
- serves only to aide archive modifications by preserving public\r
- encryption data. Individual security requirements may dictate\r
- that this data be omitted to deter information exposure.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (CStore) 0x0019 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of the store data\r
- TData TSize Data about the store\r
-\r
- TData:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- Version 2 bytes Format version number - must 0x0001 at this time\r
- CStore (var) PKCS#7 data blob\r
-\r
-\r
- -MVS Extra Field (PKWARE, 0x0065):\r
- ================================\r
-\r
- The following is the layout of the MVS "extra" block.\r
- Note: Some fields are stored in Big Endian format.\r
- All text is in EBCDIC format unless otherwise specified.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (MVS) 0x0065 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size for the following data block\r
- ID 4 bytes EBCDIC "Z390" 0xE9F3F9F0 or\r
- "T4MV" for TargetFour\r
- (var) TSize-4 Attribute data\r
-\r
-\r
- -OS/400 Extra Field (0x0065):\r
- ===========================\r
-\r
- The following is the layout of the OS/400 "extra" block.\r
- Note: Some fields are stored in Big Endian format.\r
- All text is in EBCDIC format unless otherwise specified.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (OS400) 0x0065 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size for the following data block\r
- ID 4 bytes EBCDIC "I400" 0xC9F4F0F0 or\r
- "T4MV" for TargetFour\r
- (var) TSize-4 Attribute data\r
-\r
-\r
- -Extended Timestamp Extra Field:\r
- ==============================\r
-\r
- The following is the layout of the extended-timestamp extra block.\r
- (Last Revision 19970118)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (time) 0x5455 Short tag for this extra block type ("UT")\r
- TSize Short total data size for this block\r
- Flags Byte info bits\r
- (ModTime) Long time of last modification (UTC/GMT)\r
- (AcTime) Long time of last access (UTC/GMT)\r
- (CrTime) Long time of original creation (UTC/GMT)\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (time) 0x5455 Short tag for this extra block type ("UT")\r
- TSize Short total data size for this block\r
- Flags Byte info bits (refers to local header!)\r
- (ModTime) Long time of last modification (UTC/GMT)\r
-\r
- The central-header extra field contains the modification time only,\r
- or no timestamp at all. TSize is used to flag its presence or\r
- absence. But note:\r
-\r
- If "Flags" indicates that Modtime is present in the local header\r
- field, it MUST be present in the central header field, too!\r
- This correspondence is required because the modification time\r
- value may be used to support trans-timezone freshening and\r
- updating operations with zip archives.\r
-\r
- The time values are in standard Unix signed-long format, indicating\r
- the number of seconds since 1 January 1970 00:00:00. The times\r
- are relative to Coordinated Universal Time (UTC), also sometimes\r
- referred to as Greenwich Mean Time (GMT). To convert to local time,\r
- the software must know the local timezone offset from UTC/GMT.\r
-\r
- The lower three bits of Flags in both headers indicate which time-\r
- stamps are present in the LOCAL extra field:\r
-\r
- bit 0 if set, modification time is present\r
- bit 1 if set, access time is present\r
- bit 2 if set, creation time is present\r
- bits 3-7 reserved for additional timestamps; not set\r
-\r
- Those times that are present will appear in the order indicated, but\r
- any combination of times may be omitted. (Creation time may be\r
- present without access time, for example.) TSize should equal\r
- (1 + 4*(number of set bits in Flags)), as the block is currently\r
- defined. Other timestamps may be added in the future.\r
-\r
-\r
- -Info-ZIP Unix Extra Field (type 1):\r
- ==================================\r
-\r
- The following is the layout of the old Info-ZIP extra block for\r
- Unix. It has been replaced by the extended-timestamp extra block\r
- (0x5455) and the Unix type 2 extra block (0x7855).\r
- (Last Revision 19970118)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Unix1) 0x5855 Short tag for this extra block type ("UX")\r
- TSize Short total data size for this block\r
- AcTime Long time of last access (UTC/GMT)\r
- ModTime Long time of last modification (UTC/GMT)\r
- UID Short Unix user ID (optional)\r
- GID Short Unix group ID (optional)\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Unix1) 0x5855 Short tag for this extra block type ("UX")\r
- TSize Short total data size for this block\r
- AcTime Long time of last access (GMT/UTC)\r
- ModTime Long time of last modification (GMT/UTC)\r
-\r
- The file access and modification times are in standard Unix signed-\r
- long format, indicating the number of seconds since 1 January 1970\r
- 00:00:00. The times are relative to Coordinated Universal Time\r
- (UTC), also sometimes referred to as Greenwich Mean Time (GMT). To\r
- convert to local time, the software must know the local timezone\r
- offset from UTC/GMT. The modification time may be used by non-Unix\r
- systems to support inter-timezone freshening and updating of zip\r
- archives.\r
-\r
- The local-header extra block may optionally contain UID and GID\r
- info for the file. The local-header TSize value is the only\r
- indication of this. Note that Unix UIDs and GIDs are usually\r
- specific to a particular machine, and they generally require root\r
- access to restore.\r
-\r
- This extra field type is obsolete, but it has been in use since\r
- mid-1994. Therefore future archiving software should continue to\r
- support it. Some guidelines:\r
-\r
- An archive member should either contain the old "Unix1"\r
- extra field block or the new extra field types "time" and/or\r
- "Unix2".\r
-\r
- If both the old "Unix1" block type and one or both of the new\r
- block types "time" and "Unix2" are found, the "Unix1" block\r
- should be considered invalid and ignored.\r
-\r
- Unarchiving software should recognize both old and new extra\r
- field block types, but the info from new types overrides the\r
- old "Unix1" field.\r
-\r
- Archiving software should recognize "Unix1" extra fields for\r
- timestamp comparison but never create it for updated, freshened\r
- or new archive members. When copying existing members to a new\r
- archive, any "Unix1" extra field blocks should be converted to\r
- the new "time" and/or "Unix2" types.\r
-\r
-\r
- -Info-ZIP Unix Extra Field (type 2):\r
- ==================================\r
-\r
- The following is the layout of the new Info-ZIP extra block for\r
- Unix. (Last Revision 19960922)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Unix2) 0x7855 Short tag for this extra block type ("Ux")\r
- TSize Short total data size for this block (4)\r
- UID Short Unix user ID\r
- GID Short Unix group ID\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Unix2) 0x7855 Short tag for this extra block type ("Ux")\r
- TSize Short total data size for this block (0)\r
-\r
- The data size of the central-header version is zero; it is used\r
- solely as a flag that UID/GID info is present in the local-header\r
- extra field. If additional fields are ever added to the local\r
- version, the central version may be extended to indicate this.\r
-\r
- Note that Unix UIDs and GIDs are usually specific to a particular\r
- machine, and they generally require root access to restore.\r
-\r
-\r
- -ASi Unix Extra Field:\r
- ====================\r
-\r
- The following is the layout of the ASi extra block for Unix. The\r
- local-header and central-header versions are identical.\r
- (Last Revision 19960916)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Unix3) 0x756e Short tag for this extra block type ("nu")\r
- TSize Short total data size for this block\r
- CRC Long CRC-32 of the remaining data\r
- Mode Short file permissions\r
- SizDev Long symlink'd size OR major/minor dev num\r
- UID Short user ID\r
- GID Short group ID\r
- (var.) variable symbolic link filename\r
-\r
- Mode is the standard Unix st_mode field from struct stat, containing\r
- user/group/other permissions, setuid/setgid and symlink info, etc.\r
-\r
- If Mode indicates that this file is a symbolic link, SizDev is the\r
- size of the file to which the link points. Otherwise, if the file\r
- is a device, SizDev contains the standard Unix st_rdev field from\r
- struct stat (includes the major and minor numbers of the device).\r
- SizDev is undefined in other cases.\r
-\r
- If Mode indicates that the file is a symbolic link, the final field\r
- will be the name of the file to which the link points. The file-\r
- name length can be inferred from TSize.\r
-\r
- [Note that TSize may incorrectly refer to the data size not counting\r
- the CRC; i.e., it may be four bytes too small.]\r
-\r
-\r
- -BeOS Extra Field:\r
- ================\r
-\r
- The following is the layout of the file-attributes extra block for\r
- BeOS. (Last Revision 19970531)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (BeOS) 0x6542 Short tag for this extra block type ("Be")\r
- TSize Short total data size for this block\r
- BSize Long uncompressed file attribute data size\r
- Flags Byte info bits\r
- (CType) Short compression type\r
- (CRC) Long CRC value for uncompressed file attribs\r
- Attribs variable file attribute data\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (BeOS) 0x6542 Short tag for this extra block type ("Be")\r
- TSize Short total data size for this block (5)\r
- BSize Long size of uncompr. local EF block data\r
- Flags Byte info bits\r
-\r
- The least significant bit of Flags in both headers indicates whether\r
- the LOCAL extra field is uncompressed (and therefore whether CType\r
- and CRC are omitted):\r
-\r
- bit 0 if set, Attribs is uncompressed (no CType, CRC)\r
- bits 1-7 reserved; if set, assume error or unknown data\r
-\r
- Currently the only supported compression types are deflated (type 8)\r
- and stored (type 0); the latter is not used by Info-ZIP's Zip but is\r
- supported by UnZip.\r
-\r
- Attribs is a BeOS-specific block of data in big-endian format with\r
- the following structure (if compressed, uncompress it first):\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- Name variable attribute name (null-terminated string)\r
- Type Long attribute type (32-bit unsigned integer)\r
- Size Long Long data size for this sub-block (64 bits)\r
- Data variable attribute data\r
-\r
- The attribute structure is repeated for every attribute. The Data\r
- field may contain anything--text, flags, bitmaps, etc.\r
-\r
-\r
- -AtheOS Extra Field:\r
- ==================\r
-\r
- The following is the layout of the file-attributes extra block for\r
- AtheOS. This field is a very close spin-off from the BeOS e.f.\r
- The only differences are:\r
- - a new extra field signature\r
- - numeric field in the attributes data are stored in little-endian\r
- format ("i386" was initial hardware for AtheOS)\r
- (Last Revision 20040908)\r
-\r
- Local-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (AtheOS) 0x7441 Short tag for this extra block type ("At")\r
- TSize Short total data size for this block\r
- BSize Long uncompressed file attribute data size\r
- Flags Byte info bits\r
- (CType) Short compression type\r
- (CRC) Long CRC value for uncompressed file attribs\r
- Attribs variable file attribute data\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (AtheOS) 0x7441 Short tag for this extra block type ("At")\r
- TSize Short total data size for this block (5)\r
- BSize Long size of uncompr. local EF block data\r
- Flags Byte info bits\r
-\r
- The least significant bit of Flags in both headers indicates whether\r
- the LOCAL extra field is uncompressed (and therefore whether CType\r
- and CRC are omitted):\r
-\r
- bit 0 if set, Attribs is uncompressed (no CType, CRC)\r
- bits 1-7 reserved; if set, assume error or unknown data\r
-\r
- Currently the only supported compression types are deflated (type 8)\r
- and stored (type 0); the latter is not used by Info-ZIP's Zip but is\r
- supported by UnZip.\r
-\r
- Attribs is a AtheOS-specific block of data in little-endian format\r
- with the following structure (if compressed, uncompress it first):\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- Name variable attribute name (null-terminated string)\r
- Type Long attribute type (32-bit unsigned integer)\r
- Size Long Long data size for this sub-block (64 bits)\r
- Data variable attribute data\r
-\r
- The attribute structure is repeated for every attribute. The Data\r
- field may contain anything--text, flags, bitmaps, etc.\r
-\r
-\r
- -SMS/QDOS Extra Field:\r
- ====================\r
-\r
- The following is the layout of the file-attributes extra block for\r
- SMS/QDOS. The local-header and central-header versions are identical.\r
- (Last Revision 19960929)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (QDOS) 0xfb4a Short tag for this extra block type\r
- TSize Short total data size for this block\r
- LongID Long extra-field signature\r
- (ExtraID) Long additional signature/flag bytes\r
- QDirect 64 bytes qdirect structure\r
-\r
- LongID may be "QZHD" or "QDOS". In the latter case, ExtraID will\r
- be present. Its first three bytes are "02\0"; the last byte is\r
- currently undefined.\r
-\r
- QDirect contains the file's uncompressed directory info (qdirect\r
- struct). Its elements are in native (big-endian) format:\r
-\r
- d_length beLong file length\r
- d_access byte file access type\r
- d_type byte file type\r
- d_datalen beLong data length\r
- d_reserved beLong unused\r
- d_szname beShort size of filename\r
- d_name 36 bytes filename\r
- d_update beLong time of last update\r
- d_refdate beLong file version number\r
- d_backup beLong time of last backup (archive date)\r
-\r
-\r
- -AOS/VS Extra Field:\r
- ==================\r
-\r
- The following is the layout of the extra block for Data General\r
- AOS/VS. The local-header and central-header versions are identical.\r
- (Last Revision 19961125)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (AOSVS) 0x5356 Short tag for this extra block type ("VS")\r
- TSize Short total data size for this block\r
- "FCI\0" Long extra-field signature\r
- Version Byte version of AOS/VS extra block (10 = 1.0)\r
- Fstat variable fstat packet\r
- AclBuf variable raw ACL data ($MXACL bytes)\r
-\r
- Fstat contains the file's uncompressed fstat packet, which is one of\r
- the following:\r
-\r
- normal fstat packet (P_FSTAT struct)\r
- DIR/CPD fstat packet (P_FSTAT_DIR struct)\r
- unit (device) fstat packet (P_FSTAT_UNIT struct)\r
- IPC file fstat packet (P_FSTAT_IPC struct)\r
-\r
- AclBuf contains the raw ACL data; its length is $MXACL.\r
-\r
-\r
- -Tandem NSK Extra Field:\r
- ======================\r
-\r
- The following is the layout of the file-attributes extra block for\r
- Tandem NSK. The local-header and central-header versions are\r
- identical. (Last Revision 19981221)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (TA) 0x4154 Short tag for this extra block type ("TA")\r
- TSize Short total data size for this block (20)\r
- NSKattrs 20 Bytes NSK attributes\r
-\r
-\r
- -THEOS Extra Field:\r
- =================\r
-\r
- The following is the layout of the file-attributes extra block for\r
- Theos. The local-header and central-header versions are identical.\r
- (Last Revision 19990206)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Theos) 0x6854 Short 'Th' signature\r
- size Short size of extra block\r
- flags Byte reserved for future use\r
- filesize Long file size\r
- fileorg Byte type of file (see below)\r
- keylen Short key length for indexed and keyed files,\r
- data segment size for 16 bits programs\r
- reclen Short record length for indexed,keyed and direct,\r
- text segment size for 16 bits programs\r
- filegrow Byte growing factor for indexed,keyed and direct\r
- protect Byte protections (see below)\r
- reserved Short reserved for future use\r
-\r
- File types\r
- ==========\r
-\r
- 0x80 library (keyed access list of files)\r
- 0x40 directory\r
- 0x10 stream file\r
- 0x08 direct file\r
- 0x04 keyed file\r
- 0x02 indexed file\r
- 0x0e reserved\r
- 0x01 16 bits real mode program (obsolete)\r
- 0x21 16 bits protected mode program\r
- 0x41 32 bits protected mode program\r
-\r
- Protection codes\r
- ================\r
-\r
- User protection\r
- ---------------\r
- 0x01 non readable\r
- 0x02 non writable\r
- 0x04 non executable\r
- 0x08 non erasable\r
-\r
- Other protection\r
- ----------------\r
- 0x10 non readable\r
- 0x20 non writable\r
- 0x40 non executable Theos before 4.0\r
- 0x40 modified Theos 4.x\r
- 0x80 not hidden\r
-\r
-\r
- -THEOS old inofficial Extra Field:\r
- ================================\r
-\r
- The following is the layout of an inoffical former version of a\r
- Theos file-attributes extra blocks. This layout was never published\r
- and is no longer created. However, UnZip can optionally support it\r
- when compiling with the option flag OLD_THEOS_EXTRA defined.\r
- Both the local-header and central-header versions are identical.\r
- (Last Revision 19990206)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (THS0) 0x4854 Short 'TH' signature\r
- size Short size of extra block\r
- flags Short reserved for future use\r
- filesize Long file size\r
- reclen Short record length for indexed,keyed and direct,\r
- text segment size for 16 bits programs\r
- keylen Short key length for indexed and keyed files,\r
- data segment size for 16 bits programs\r
- filegrow Byte growing factor for indexed,keyed and direct\r
- reserved 3 Bytes reserved for future use\r
-\r
-\r
- -FWKCS MD5 Extra Field (0x4b46):\r
- ==============================\r
-\r
- The FWKCS Contents_Signature System, used in automatically\r
- identifying files independent of filename, optionally adds\r
- and uses an extra field to support the rapid creation of\r
- an enhanced contents_signature.\r
- There is no local-header version; the following applies\r
- only to the central header. (Last Revision 19961207)\r
-\r
- Central-header version:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (MD5) 0x4b46 Short tag for this extra block type ("FK")\r
- TSize Short total data size for this block (19)\r
- "MD5" 3 bytes extra-field signature\r
- MD5hash 16 bytes 128-bit MD5 hash of uncompressed data\r
- (low byte first)\r
-\r
- When FWKCS revises a .ZIP file central directory to add\r
- this extra field for a file, it also replaces the\r
- central directory entry for that file's uncompressed\r
- file length with a measured value.\r
-\r
- FWKCS provides an option to strip this extra field, if\r
- present, from a .ZIP file central directory. In adding\r
- this extra field, FWKCS preserves .ZIP file Authenticity\r
- Verification; if stripping this extra field, FWKCS\r
- preserves all versions of AV through PKZIP version 2.04g.\r
-\r
- FWKCS, and FWKCS Contents_Signature System, are\r
- trademarks of Frederick W. Kantor.\r
-\r
- (1) R. Rivest, RFC1321.TXT, MIT Laboratory for Computer\r
- Science and RSA Data Security, Inc., April 1992.\r
- ll.76-77: "The MD5 algorithm is being placed in the\r
- public domain for review and possible adoption as a\r
- standard."\r
-\r
-\r
- file comment: (Variable)\r
-\r
- The comment for this file.\r
-\r
- number of this disk: (2 bytes)\r
-\r
- The number of this disk, which contains central\r
- directory end record. If an archive is in zip64 format\r
- and the value in this field is 0xFFFF, the size will\r
- be in the corresponding 4 byte zip64 end of central\r
- directory field.\r
-\r
- number of the disk with the start of the central directory: (2 bytes)\r
-\r
- The number of the disk on which the central\r
- directory starts. If an archive is in zip64 format\r
- and the value in this field is 0xFFFF, the size will\r
- be in the corresponding 4 byte zip64 end of central\r
- directory field.\r
-\r
- total number of entries in the central dir on this disk: (2 bytes)\r
-\r
- The number of central directory entries on this disk.\r
- If an archive is in zip64 format and the value in\r
- this field is 0xFFFF, the size will be in the\r
- corresponding 8 byte zip64 end of central\r
- directory field.\r
-\r
- total number of entries in the central dir: (2 bytes)\r
-\r
- The total number of files in the .ZIP file. If an\r
- archive is in zip64 format and the value in this field\r
- is 0xFFFF, the size will be in the corresponding 8 byte\r
- zip64 end of central directory field.\r
-\r
- size of the central directory: (4 bytes)\r
-\r
- The size (in bytes) of the entire central directory.\r
- If an archive is in zip64 format and the value in\r
- this field is 0xFFFFFFFF, the size will be in the\r
- corresponding 8 byte zip64 end of central\r
- directory field.\r
-\r
- offset of start of central directory with respect to\r
- the starting disk number: (4 bytes)\r
-\r
- Offset of the start of the central directory on the\r
- disk on which the central directory starts. If an\r
- archive is in zip64 format and the value in this\r
- field is 0xFFFFFFFF, the size will be in the\r
- corresponding 8 byte zip64 end of central\r
- directory field.\r
-\r
- .ZIP file comment length: (2 bytes)\r
-\r
- The length of the comment for this .ZIP file.\r
-\r
- .ZIP file comment: (Variable)\r
-\r
- The comment for this .ZIP file. ZIP file comment data\r
- is stored unsecured. No encryption or data authentication\r
- is applied to this area at this time. Confidential information\r
- should not be stored in this section.\r
-\r
- zip64 extensible data sector (variable size)\r
-\r
- (currently reserved for use by PKWARE)\r
-\r
-\r
- K. General notes:\r
-\r
- 1) All fields unless otherwise noted are unsigned and stored\r
- in Intel low-byte:high-byte, low-word:high-word order.\r
-\r
- 2) String fields are not null terminated, since the\r
- length is given explicitly.\r
-\r
- 3) Local headers should not span disk boundaries. Also, even\r
- though the central directory can span disk boundaries, no\r
- single record in the central directory should be split\r
- across disks.\r
-\r
- 4) The entries in the central directory may not necessarily\r
- be in the same order that files appear in the .ZIP file.\r
-\r
- 5) Spanned/Split archives created using PKZIP for Windows\r
- (V2.50 or greater), PKZIP Command Line (V2.50 or greater),\r
- or PKZIP Explorer will include a special spanning\r
- signature as the first 4 bytes of the first segment of\r
- the archive. This signature (0x08074b50) will be\r
- followed immediately by the local header signature for\r
- the first file in the archive. A special spanning\r
- marker may also appear in spanned/split archives if the\r
- spanning or splitting process starts but only requires\r
- one segment. In this case the 0x08074b50 signature\r
- will be replaced with the temporary spanning marker\r
- signature of 0x30304b50. Spanned/split archives\r
- created with this special signature are compatible with\r
- all versions of PKZIP from PKWARE. Split archives can\r
- only be uncompressed by other versions of PKZIP that\r
- know how to create a split archive.\r
-\r
- 6) If one of the fields in the end of central directory\r
- record is too small to hold required data, the field\r
- should be set to -1 (0xFFFF or 0xFFFFFFFF) and the\r
- Zip64 format record should be created.\r
-\r
- 7) The end of central directory record and the\r
- Zip64 end of central directory locator record must\r
- reside on the same disk when splitting or spanning\r
- an archive.\r
-\r
-V. UnShrinking - Method 1\r
--------------------------\r
-\r
-Shrinking is a Dynamic Ziv-Lempel-Welch compression algorithm\r
-with partial clearing. The initial code size is 9 bits, and\r
-the maximum code size is 13 bits. Shrinking differs from\r
-conventional Dynamic Ziv-Lempel-Welch implementations in several\r
-respects:\r
-\r
-1) The code size is controlled by the compressor, and is not\r
- automatically increased when codes larger than the current\r
- code size are created (but not necessarily used). When\r
- the decompressor encounters the code sequence 256\r
- (decimal) followed by 1, it should increase the code size\r
- read from the input stream to the next bit size. No\r
- blocking of the codes is performed, so the next code at\r
- the increased size should be read from the input stream\r
- immediately after where the previous code at the smaller\r
- bit size was read. Again, the decompressor should not\r
- increase the code size used until the sequence 256,1 is\r
- encountered.\r
-\r
-2) When the table becomes full, total clearing is not\r
- performed. Rather, when the compressor emits the code\r
- sequence 256,2 (decimal), the decompressor should clear\r
- all leaf nodes from the Ziv-Lempel tree, and continue to\r
- use the current code size. The nodes that are cleared\r
- from the Ziv-Lempel tree are then re-used, with the lowest\r
- code value re-used first, and the highest code value\r
- re-used last. The compressor can emit the sequence 256,2\r
- at any time.\r
-\r
-\r
-VI. Expanding - Methods 2-5\r
----------------------------\r
-\r
-The Reducing algorithm is actually a combination of two\r
-distinct algorithms. The first algorithm compresses repeated\r
-byte sequences, and the second algorithm takes the compressed\r
-stream from the first algorithm and applies a probabilistic\r
-compression method.\r
-\r
-The probabilistic compression stores an array of 'follower\r
-sets' S(j), for j=0 to 255, corresponding to each possible\r
-ASCII character. Each set contains between 0 and 32\r
-characters, to be denoted as S(j)[0],...,S(j)[m], where m<32.\r
-The sets are stored at the beginning of the data area for a\r
-Reduced file, in reverse order, with S(255) first, and S(0)\r
-last.\r
-\r
-The sets are encoded as { N(j), S(j)[0],...,S(j)[N(j)-1] },\r
-where N(j) is the size of set S(j). N(j) can be 0, in which\r
-case the follower set for S(j) is empty. Each N(j) value is\r
-encoded in 6 bits, followed by N(j) eight bit character values\r
-corresponding to S(j)[0] to S(j)[N(j)-1] respectively. If\r
-N(j) is 0, then no values for S(j) are stored, and the value\r
-for N(j-1) immediately follows.\r
-\r
-Immediately after the follower sets, is the compressed data\r
-stream. The compressed data stream can be interpreted for the\r
-probabilistic decompression as follows:\r
-\r
-\r
-let Last-Character <- 0.\r
-loop until done\r
- if the follower set S(Last-Character) is empty then\r
- read 8 bits from the input stream, and copy this\r
- value to the output stream.\r
- otherwise if the follower set S(Last-Character) is non-empty then\r
- read 1 bit from the input stream.\r
- if this bit is not zero then\r
- read 8 bits from the input stream, and copy this\r
- value to the output stream.\r
- otherwise if this bit is zero then\r
- read B(N(Last-Character)) bits from the input\r
- stream, and assign this value to I.\r
- Copy the value of S(Last-Character)[I] to the\r
- output stream.\r
-\r
- assign the last value placed on the output stream to\r
- Last-Character.\r
-end loop\r
-\r
-\r
-B(N(j)) is defined as the minimal number of bits required to\r
-encode the value N(j)-1.\r
-\r
-\r
-The decompressed stream from above can then be expanded to\r
-re-create the original file as follows:\r
-\r
-\r
-let State <- 0.\r
-\r
-loop until done\r
- read 8 bits from the input stream into C.\r
- case State of\r
- 0: if C is not equal to DLE (144 decimal) then\r
- copy C to the output stream.\r
- otherwise if C is equal to DLE then\r
- let State <- 1.\r
-\r
- 1: if C is non-zero then\r
- let V <- C.\r
- let Len <- L(V)\r
- let State <- F(Len).\r
- otherwise if C is zero then\r
- copy the value 144 (decimal) to the output stream.\r
- let State <- 0\r
-\r
- 2: let Len <- Len + C\r
- let State <- 3.\r
-\r
- 3: move backwards D(V,C) bytes in the output stream\r
- (if this position is before the start of the output\r
- stream, then assume that all the data before the\r
- start of the output stream is filled with zeros).\r
- copy Len+3 bytes from this position to the output stream.\r
- let State <- 0.\r
- end case\r
-end loop\r
-\r
-\r
-The functions F,L, and D are dependent on the 'compression\r
-factor', 1 through 4, and are defined as follows:\r
-\r
-For compression factor 1:\r
- L(X) equals the lower 7 bits of X.\r
- F(X) equals 2 if X equals 127 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 1 bit of X) * 256 + Y + 1.\r
-For compression factor 2:\r
- L(X) equals the lower 6 bits of X.\r
- F(X) equals 2 if X equals 63 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 2 bits of X) * 256 + Y + 1.\r
-For compression factor 3:\r
- L(X) equals the lower 5 bits of X.\r
- F(X) equals 2 if X equals 31 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 3 bits of X) * 256 + Y + 1.\r
-For compression factor 4:\r
- L(X) equals the lower 4 bits of X.\r
- F(X) equals 2 if X equals 15 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 4 bits of X) * 256 + Y + 1.\r
-\r
-\r
-VII. Imploding - Method 6\r
--------------------------\r
-\r
-The Imploding algorithm is actually a combination of two distinct\r
-algorithms. The first algorithm compresses repeated byte\r
-sequences using a sliding dictionary. The second algorithm is\r
-used to compress the encoding of the sliding dictionary output,\r
-using multiple Shannon-Fano trees.\r
-\r
-The Imploding algorithm can use a 4K or 8K sliding dictionary\r
-size. The dictionary size used can be determined by bit 1 in the\r
-general purpose flag word; a 0 bit indicates a 4K dictionary\r
-while a 1 bit indicates an 8K dictionary.\r
-\r
-The Shannon-Fano trees are stored at the start of the compressed\r
-file. The number of trees stored is defined by bit 2 in the\r
-general purpose flag word; a 0 bit indicates two trees stored, a\r
-1 bit indicates three trees are stored. If 3 trees are stored,\r
-the first Shannon-Fano tree represents the encoding of the\r
-Literal characters, the second tree represents the encoding of\r
-the Length information, the third represents the encoding of the\r
-Distance information. When 2 Shannon-Fano trees are stored, the\r
-Length tree is stored first, followed by the Distance tree.\r
-\r
-The Literal Shannon-Fano tree, if present is used to represent\r
-the entire ASCII character set, and contains 256 values. This\r
-tree is used to compress any data not compressed by the sliding\r
-dictionary algorithm. When this tree is present, the Minimum\r
-Match Length for the sliding dictionary is 3. If this tree is\r
-not present, the Minimum Match Length is 2.\r
-\r
-The Length Shannon-Fano tree is used to compress the Length part\r
-of the (length,distance) pairs from the sliding dictionary\r
-output. The Length tree contains 64 values, ranging from the\r
-Minimum Match Length, to 63 plus the Minimum Match Length.\r
-\r
-The Distance Shannon-Fano tree is used to compress the Distance\r
-part of the (length,distance) pairs from the sliding dictionary\r
-output. The Distance tree contains 64 values, ranging from 0 to\r
-63, representing the upper 6 bits of the distance value. The\r
-distance values themselves will be between 0 and the sliding\r
-dictionary size, either 4K or 8K.\r
-\r
-The Shannon-Fano trees themselves are stored in a compressed\r
-format. The first byte of the tree data represents the number of\r
-bytes of data representing the (compressed) Shannon-Fano tree\r
-minus 1. The remaining bytes represent the Shannon-Fano tree\r
-data encoded as:\r
-\r
- High 4 bits: Number of values at this bit length + 1. (1 - 16)\r
- Low 4 bits: Bit Length needed to represent value + 1. (1 - 16)\r
-\r
-The Shannon-Fano codes can be constructed from the bit lengths\r
-using the following algorithm:\r
-\r
-1) Sort the Bit Lengths in ascending order, while retaining the\r
- order of the original lengths stored in the file.\r
-\r
-2) Generate the Shannon-Fano trees:\r
-\r
- Code <- 0\r
- CodeIncrement <- 0\r
- LastBitLength <- 0\r
- i <- number of Shannon-Fano codes - 1 (either 255 or 63)\r
-\r
- loop while i >= 0\r
- Code = Code + CodeIncrement\r
- if BitLength(i) <> LastBitLength then\r
- LastBitLength=BitLength(i)\r
- CodeIncrement = 1 shifted left (16 - LastBitLength)\r
- ShannonCode(i) = Code\r
- i <- i - 1\r
- end loop\r
-\r
-\r
-3) Reverse the order of all the bits in the above ShannonCode()\r
- vector, so that the most significant bit becomes the least\r
- significant bit. For example, the value 0x1234 (hex) would\r
- become 0x2C48 (hex).\r
-\r
-4) Restore the order of Shannon-Fano codes as originally stored\r
- within the file.\r
-\r
-Example:\r
-\r
- This example will show the encoding of a Shannon-Fano tree\r
- of size 8. Notice that the actual Shannon-Fano trees used\r
- for Imploding are either 64 or 256 entries in size.\r
-\r
-Example: 0x02, 0x42, 0x01, 0x13\r
-\r
- The first byte indicates 3 values in this table. Decoding the\r
- bytes:\r
- 0x42 = 5 codes of 3 bits long\r
- 0x01 = 1 code of 2 bits long\r
- 0x13 = 2 codes of 4 bits long\r
-\r
- This would generate the original bit length array of:\r
- (3, 3, 3, 3, 3, 2, 4, 4)\r
-\r
- There are 8 codes in this table for the values 0 thru 7. Using\r
- the algorithm to obtain the Shannon-Fano codes produces:\r
-\r
- Reversed Order Original\r
-Val Sorted Constructed Code Value Restored Length\r
---- ------ ----------------- -------- -------- ------\r
-0: 2 1100000000000000 11 101 3\r
-1: 3 1010000000000000 101 001 3\r
-2: 3 1000000000000000 001 110 3\r
-3: 3 0110000000000000 110 010 3\r
-4: 3 0100000000000000 010 100 3\r
-5: 3 0010000000000000 100 11 2\r
-6: 4 0001000000000000 1000 1000 4\r
-7: 4 0000000000000000 0000 0000 4\r
-\r
-\r
-The values in the Val, Order Restored and Original Length columns\r
-now represent the Shannon-Fano encoding tree that can be used for\r
-decoding the Shannon-Fano encoded data. How to parse the\r
-variable length Shannon-Fano values from the data stream is beyond\r
-the scope of this document. (See the references listed at the end of\r
-this document for more information.) However, traditional decoding\r
-schemes used for Huffman variable length decoding, such as the\r
-Greenlaw algorithm, can be successfully applied.\r
-\r
-The compressed data stream begins immediately after the\r
-compressed Shannon-Fano data. The compressed data stream can be\r
-interpreted as follows:\r
-\r
-loop until done\r
- read 1 bit from input stream.\r
-\r
- if this bit is non-zero then (encoded data is literal data)\r
- if Literal Shannon-Fano tree is present\r
- read and decode character using Literal Shannon-Fano tree.\r
- otherwise\r
- read 8 bits from input stream.\r
- copy character to the output stream.\r
- otherwise (encoded data is sliding dictionary match)\r
- if 8K dictionary size\r
- read 7 bits for offset Distance (lower 7 bits of offset).\r
- otherwise\r
- read 6 bits for offset Distance (lower 6 bits of offset).\r
-\r
- using the Distance Shannon-Fano tree, read and decode the\r
- upper 6 bits of the Distance value.\r
-\r
- using the Length Shannon-Fano tree, read and decode\r
- the Length value.\r
-\r
- Length <- Length + Minimum Match Length\r
-\r
- if Length = 63 + Minimum Match Length\r
- read 8 bits from the input stream,\r
- add this value to Length.\r
-\r
- move backwards Distance+1 bytes in the output stream, and\r
- copy Length characters from this position to the output\r
- stream. (if this position is before the start of the output\r
- stream, then assume that all the data before the start of\r
- the output stream is filled with zeros).\r
-end loop\r
-\r
-VIII. Tokenizing - Method 7\r
----------------------------\r
-\r
-This method is not used by PKZIP.\r
-\r
-IX. Deflating - Method 8\r
-------------------------\r
-\r
-The Deflate algorithm is similar to the Implode algorithm using\r
-a sliding dictionary of up to 32K with secondary compression\r
-from Huffman/Shannon-Fano codes.\r
-\r
-The compressed data is stored in blocks with a header describing\r
-the block and the Huffman codes used in the data block. The header\r
-format is as follows:\r
-\r
- Bit 0: Last Block bit This bit is set to 1 if this is the last\r
- compressed block in the data.\r
- Bits 1-2: Block type\r
- 00 (0) - Block is stored - All stored data is byte aligned.\r
- Skip bits until next byte, then next word = block\r
- length, followed by the ones compliment of the block\r
- length word. Remaining data in block is the stored\r
- data.\r
-\r
- 01 (1) - Use fixed Huffman codes for literal and distance codes.\r
- Lit Code Bits Dist Code Bits\r
- --------- ---- --------- ----\r
- 0 - 143 8 0 - 31 5\r
- 144 - 255 9\r
- 256 - 279 7\r
- 280 - 287 8\r
-\r
- Literal codes 286-287 and distance codes 30-31 are\r
- never used but participate in the huffman construction.\r
-\r
- 10 (2) - Dynamic Huffman codes. (See expanding Huffman codes)\r
-\r
- 11 (3) - Reserved - Flag a "Error in compressed data" if seen.\r
-\r
-Expanding Huffman Codes\r
------------------------\r
-If the data block is stored with dynamic Huffman codes, the Huffman\r
-codes are sent in the following compressed format:\r
-\r
- 5 Bits: # of Literal codes sent - 257 (257 - 286)\r
- All other codes are never sent.\r
- 5 Bits: # of Dist codes - 1 (1 - 32)\r
- 4 Bits: # of Bit Length codes - 4 (4 - 19)\r
-\r
-The Huffman codes are sent as bit lengths and the codes are built as\r
-described in the implode algorithm. The bit lengths themselves are\r
-compressed with Huffman codes. There are 19 bit length codes:\r
-\r
- 0 - 15: Represent bit lengths of 0 - 15\r
- 16: Copy the previous bit length 3 - 6 times.\r
- The next 2 bits indicate repeat length (0 = 3, ... ,3 = 6)\r
- Example: Codes 8, 16 (+2 bits 11), 16 (+2 bits 10) will\r
- expand to 12 bit lengths of 8 (1 + 6 + 5)\r
- 17: Repeat a bit length of 0 for 3 - 10 times. (3 bits of length)\r
- 18: Repeat a bit length of 0 for 11 - 138 times (7 bits of length)\r
-\r
-The lengths of the bit length codes are sent packed 3 bits per value\r
-(0 - 7) in the following order:\r
-\r
- 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15\r
-\r
-The Huffman codes should be built as described in the Implode algorithm\r
-except codes are assigned starting at the shortest bit length, i.e. the\r
-shortest code should be all 0's rather than all 1's. Also, codes with\r
-a bit length of zero do not participate in the tree construction. The\r
-codes are then used to decode the bit lengths for the literal and\r
-distance tables.\r
-\r
-The bit lengths for the literal tables are sent first with the number\r
-of entries sent described by the 5 bits sent earlier. There are up\r
-to 286 literal characters; the first 256 represent the respective 8\r
-bit character, code 256 represents the End-Of-Block code, the remaining\r
-29 codes represent copy lengths of 3 thru 258. There are up to 30\r
-distance codes representing distances from 1 thru 32k as described\r
-below.\r
-\r
- Length Codes\r
- ------------\r
- Extra Extra Extra Extra\r
- Code Bits Length Code Bits Lengths Code Bits Lengths Code Bits Length(s)\r
- ---- ---- ------ ---- ---- ------- ---- ---- ------- ---- ---- ---------\r
- 257 0 3 265 1 11,12 273 3 35-42 281 5 131-162\r
- 258 0 4 266 1 13,14 274 3 43-50 282 5 163-194\r
- 259 0 5 267 1 15,16 275 3 51-58 283 5 195-226\r
- 260 0 6 268 1 17,18 276 3 59-66 284 5 227-258\r
- 261 0 7 269 2 19-22 277 4 67-82 285 0 258\r
- 262 0 8 270 2 23-26 278 4 83-98\r
- 263 0 9 271 2 27-30 279 4 99-114\r
- 264 0 10 272 2 31-34 280 4 115-130\r
-\r
- Distance Codes\r
- --------------\r
- Extra Extra Extra Extra\r
- Code Bits Dist Code Bits Dist Code Bits Distance Code Bits Distance\r
- ---- ---- ---- ---- ---- ------ ---- ---- -------- ---- ---- --------\r
- 0 0 1 8 3 17-24 16 7 257-384 24 11 4097-6144\r
- 1 0 2 9 3 25-32 17 7 385-512 25 11 6145-8192\r
- 2 0 3 10 4 33-48 18 8 513-768 26 12 8193-12288\r
- 3 0 4 11 4 49-64 19 8 769-1024 27 12 12289-16384\r
- 4 1 5,6 12 5 65-96 20 9 1025-1536 28 13 16385-24576\r
- 5 1 7,8 13 5 97-128 21 9 1537-2048 29 13 24577-32768\r
- 6 2 9-12 14 6 129-192 22 10 2049-3072\r
- 7 2 13-16 15 6 193-256 23 10 3073-4096\r
-\r
-The compressed data stream begins immediately after the\r
-compressed header data. The compressed data stream can be\r
-interpreted as follows:\r
-\r
-do\r
- read header from input stream.\r
-\r
- if stored block\r
- skip bits until byte aligned\r
- read count and 1's compliment of count\r
- copy count bytes data block\r
- otherwise\r
- loop until end of block code sent\r
- decode literal character from input stream\r
- if literal < 256\r
- copy character to the output stream\r
- otherwise\r
- if literal = end of block\r
- break from loop\r
- otherwise\r
- decode distance from input stream\r
-\r
- move backwards distance bytes in the output stream, and\r
- copy length characters from this position to the output\r
- stream.\r
- end loop\r
-while not last block\r
-\r
-if data descriptor exists\r
- skip bits until byte aligned\r
- check data descriptor signature\r
- read crc and sizes\r
-endif\r
-\r
-X. Enhanced Deflating - Method 9\r
---------------------------------\r
-\r
-The Enhanced Deflating algorithm is similar to Deflate but\r
-uses a sliding dictionary of up to 64K. Deflate64(tm) is supported\r
-by the Deflate extractor.\r
-\r
-[This description is inofficial. It has been deduced by Info-ZIP from\r
-close inspection of PKZIP 4.x Deflate64(tm) compressed output.]\r
-\r
-The Deflate64 algorithm is almost identical to the normal Deflate algorithm.\r
-Differences are:\r
-\r
-- The sliding window size is 64k.\r
-\r
-- The previously unused distance codes 30 and 31 are now used to describe\r
- match distances from 32k-48k and 48k-64k.\r
- Extra\r
- Code Bits Distance\r
- ---- ---- -----------\r
- .. .. ...\r
- 29 13 24577-32768\r
- 30 14 32769-49152\r
- 31 14 49153-65536\r
-\r
-- The semantics of the "maximum match length" code #258 has been changed to\r
- allow the specification of arbitrary large match lengths (up to 64k).\r
- Extra\r
- Code Bits Lengths\r
- ---- ---- ------\r
- ... .. ...\r
- 284 5 227-258\r
- 285 16 3-65538\r
-\r
-Whereas the first two modifications fit into the framework of Deflate,\r
-this last change breaks compatibility with Deflate method 8. Thus, a\r
-Deflate64 decompressor cannot decode normal deflated data.\r
-\r
-XI. BZIP2 - Method 12\r
----------------------\r
-\r
-BZIP2 is an open-source data compression algorithm developed by\r
-Julian Seward. Information and source code for this algorithm\r
-can be found on the internet.\r
-\r
-\r
-XII. Traditional PKWARE Encryption\r
-----------------------------------\r
-\r
-The following information discusses the decryption steps\r
-required to support traditional PKWARE encryption. This\r
-form of encryption is considered weak by today's standards\r
-and its use is recommended only for situations with\r
-low security needs or for compatibility with older .ZIP\r
-applications.\r
-\r
-XIII. Decryption\r
-----------------\r
-\r
-The encryption used in PKZIP was generously supplied by Roger\r
-Schlafly. PKWARE is grateful to Mr. Schlafly for his expert\r
-help and advice in the field of data encryption.\r
-\r
-PKZIP encrypts the compressed data stream. Encrypted files must\r
-be decrypted before they can be extracted.\r
-\r
-Each encrypted file has an extra 12 bytes stored at the start of\r
-the data area defining the encryption header for that file. The\r
-encryption header is originally set to random values, and then\r
-itself encrypted, using three, 32-bit keys. The key values are\r
-initialized using the supplied encryption password. After each byte\r
-is encrypted, the keys are then updated using pseudo-random number\r
-generation techniques in combination with the same CRC-32 algorithm\r
-used in PKZIP and described elsewhere in this document.\r
-\r
-The following is the basic steps required to decrypt a file:\r
-\r
-1) Initialize the three 32-bit keys with the password.\r
-2) Read and decrypt the 12-byte encryption header, further\r
- initializing the encryption keys.\r
-3) Read and decrypt the compressed data stream using the\r
- encryption keys.\r
-\r
-\r
-Step 1 - Initializing the encryption keys\r
------------------------------------------\r
-\r
-Key(0) <- 305419896\r
-Key(1) <- 591751049\r
-Key(2) <- 878082192\r
-\r
-loop for i <- 0 to length(password)-1\r
- update_keys(password(i))\r
-end loop\r
-\r
-\r
-Where update_keys() is defined as:\r
-\r
-\r
-update_keys(char):\r
- Key(0) <- crc32(key(0),char)\r
- Key(1) <- Key(1) + (Key(0) & 000000ffH)\r
- Key(1) <- Key(1) * 134775813 + 1\r
- Key(2) <- crc32(key(2),key(1) >> 24)\r
-end update_keys\r
-\r
-\r
-Where crc32(old_crc,char) is a routine that given a CRC value and a\r
-character, returns an updated CRC value after applying the CRC-32\r
-algorithm described elsewhere in this document.\r
-\r
-\r
-Step 2 - Decrypting the encryption header\r
------------------------------------------\r
-\r
-The purpose of this step is to further initialize the encryption\r
-keys, based on random data, to render a plaintext attack on the\r
-data ineffective.\r
-\r
-\r
-Read the 12-byte encryption header into Buffer, in locations\r
-Buffer(0) thru Buffer(11).\r
-\r
-loop for i <- 0 to 11\r
- C <- buffer(i) ^ decrypt_byte()\r
- update_keys(C)\r
- buffer(i) <- C\r
-end loop\r
-\r
-\r
-Where decrypt_byte() is defined as:\r
-\r
-\r
-unsigned char decrypt_byte()\r
- local unsigned short temp\r
- temp <- Key(2) | 2\r
- decrypt_byte <- (temp * (temp ^ 1)) >> 8\r
-end decrypt_byte\r
-\r
-\r
-After the header is decrypted, the last 1 or 2 bytes in Buffer\r
-should be the high-order word/byte of the CRC for the file being\r
-decrypted, stored in Intel low-byte/high-byte order, or the high-order\r
-byte of the file time if bit 3 of the general purpose bit flag is set.\r
-Versions of PKZIP prior to 2.0 used a 2 byte CRC check; a 1 byte CRC check is\r
-used on versions after 2.0. This can be used to test if the password\r
-supplied is correct or not.\r
-\r
-\r
-Step 3 - Decrypting the compressed data stream\r
-----------------------------------------------\r
-\r
-The compressed data stream can be decrypted as follows:\r
-\r
-\r
-loop until done\r
- read a character into C\r
- Temp <- C ^ decrypt_byte()\r
- update_keys(temp)\r
- output Temp\r
-end loop\r
-\r
-\r
-XIV. Strong Encryption Specification (EFS)\r
-------------------------------------------\r
-\r
-Version 5.x of this specification introduced support for strong\r
-encryption algorithms. These algorithms can be used with either\r
-a password or an X.509v3 digital certificate to encrypt each file.\r
-This format specification supports either password or certificate\r
-based encryption to meet the security needs of today, to enable\r
-interoperability between users within both PKI and non-PKI\r
-environments, and to ensure interoperability between different\r
-computing platforms that are running a ZIP program.\r
-\r
-Password based encryption is the most common form of encryption\r
-people are familiar with. However, inherent weaknesses with\r
-passwords (e.g. susceptibility to dictionary/brute force attack)\r
-as well as password management and support issues make certificate\r
-based encryption a more secure and scalable option. Industry\r
-efforts and support are defining and moving towards more advanced\r
-security solutions built around X.509v3 digital certificates and\r
-Public Key Infrastructures(PKI) because of the greater scalability,\r
-administrative options, and more robust security over traditional\r
-password-based encryption.\r
-\r
-Most standard encryption algorithms are supported with this\r
-specification. Reference implementations for many of these\r
-algorithms are available from either commercial or open source\r
-distributors. Readily available cryptographic toolkits make\r
-implementation of the encryption features straight-forward.\r
-This document is not intended to provide a treatise on data\r
-encryption principles or theory. Its purpose is to document the\r
-data structures required for implementing interoperable data\r
-encryption within the .ZIP format. It is strongly recommended that\r
-you have a good understanding of data encryption before reading\r
-further.\r
-\r
-The algorithms introduced in Version 5.0 of this specification\r
-include:\r
-\r
- RC2 40 bit, 64 bit, and 128 bit\r
- RC4 40 bit, 64 bit, and 128 bit\r
- DES\r
- 3DES 112 bit and 168 bit\r
-\r
-Version 5.1 adds support for the following:\r
-\r
- AES 128 bit, 192 bit, and 256 bit\r
-\r
-Version 6.1 introduces encryption data changes to support\r
-interoperability with SmartCard and USB Token certificate storage\r
-methods which do not support the OAEP strengthening standard.\r
-\r
-Version 6.2 introduces support for encrypting metadata by compressing\r
-and encrypting the central directory data structure to reduce information\r
-leakage. Information leakage can occur in legacy ZIP applications\r
-through exposure of information about a file even though that file is\r
-stored encrypted. The information exposed consists of file\r
-characteristics stored within the records and fields defined by this\r
-specification. This includes data such as a files name, its original\r
-size, timestamp and CRC32 value.\r
-\r
-Central Directory Encryption provides greater protection against\r
-information leakage by encrypting the Central Directory structure and\r
-by masking key values that are replicated in the unencrypted Local\r
-Header. ZIP compatible programs that cannot interpret an encrypted\r
-Central Directory structure cannot rely on the data in the corresponding\r
-Local Header for decompression information.\r
-\r
-Extra Field records that may contain information about a file that should\r
-not be exposed should not be stored in the Local Header and should only\r
-be written to the Central Directory where they can be encrypted. This\r
-design currently does not support streaming. Information in the End of\r
-Central Directory record, the ZIP64 End of Central Directory Locator,\r
-and the ZIP64 End of Central Directory record are not encrypted. Access\r
-to view data on files within a ZIP file with an encrypted Central Directory\r
-requires the appropriate password or private key for decryption prior to\r
-viewing any files, or any information about the files, in the archive.\r
-\r
-Older ZIP compatible programs not familiar with the Central Directory\r
-Encryption feature will no longer be able to recognize the Central\r
-Directory and may assume the ZIP file is corrupt. Programs that\r
-attempt streaming access using Local Headers will see invalid\r
-information for each file. Central Directory Encryption need not be\r
-used for every ZIP file. Its use is recommended for greater security.\r
-ZIP files not using Central Directory Encryption should operate as\r
-in the past.\r
-\r
-The details of the strong encryption specification for certificates\r
-remain under development as design and testing issues are worked out\r
-for the range of algorithms, encryption methods, certificate processing\r
-and cross-platform support necessary to meet the advanced security needs\r
-of .ZIP file users today and in the future.\r
-\r
-This feature specification is intended to support basic encryption needs\r
-of today, such as password support. However this specification is also\r
-designed to lay the foundation for future advanced security needs.\r
-\r
-Encryption provides data confidentiality and privacy. It is\r
-recommended that you combine X.509 digital signing with encryption\r
-to add authentication and non-repudiation.\r
-\r
-\r
-Single Password Symmetric Encryption Method:\r
--------------------------------------------\r
-\r
-The Single Password Symmetric Encryption Method using strong\r
-encryption algorithms operates similarly to the traditional\r
-PKWARE encryption defined in this format. Additional data\r
-structures are added to support the processing needs of the\r
-strong algorithms.\r
-\r
-The Strong Encryption data structures are:\r
-\r
-1. General Purpose Bits - Bits 0 and 6 of the General Purpose bit\r
-flag in both local and central header records. Both bits set\r
-indicates strong encryption. Bit 13, when set indicates the Central\r
-Directory is encrypted and that selected fields in the Local Header\r
-are masked to hide their actual value.\r
-\r
-\r
-2. Extra Field 0x0017 in central header only.\r
-\r
- Fields to consider in this record are:\r
-\r
- Format - the data format identifier for this record. The only\r
- value allowed at this time is the integer value 2.\r
-\r
- AlgId - integer identifier of the encryption algorithm from the\r
- following range\r
-\r
- 0x6601 - DES\r
- 0x6602 - RC2 (version needed to extract < 5.2)\r
- 0x6603 - 3DES 168\r
- 0x6609 - 3DES 112\r
- 0x660E - AES 128\r
- 0x660F - AES 192\r
- 0x6610 - AES 256\r
- 0x6702 - RC2 (version needed to extract >= 5.2)\r
- 0x6801 - RC4\r
- 0xFFFF - Unknown algorithm\r
-\r
- Bitlen - Explicit bit length of key\r
-\r
- 40\r
- 56\r
- 64\r
- 112\r
- 128\r
- 168\r
- 192\r
- 256\r
-\r
- Flags - Processing flags needed for decryption\r
-\r
- 0x0001 - Password is required to decrypt\r
- 0x0002 - Certificates only\r
- 0x0003 - Password or certificate required to decrypt\r
-\r
- Values > 0x0003 reserved for certificate processing\r
-\r
-\r
-3. Decryption header record preceeding compressed file data.\r
-\r
- -Decryption Header:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- IVSize 2 bytes Size of initialization vector (IV)\r
- IVData IVSize Initialization vector for this file\r
- Size 4 bytes Size of remaining decryption header data\r
- Format 2 bytes Format definition for this record\r
- AlgID 2 bytes Encryption algorithm identifier\r
- Bitlen 2 bytes Bit length of encryption key\r
- Flags 2 bytes Processing flags\r
- ErdSize 2 bytes Size of Encrypted Random Data\r
- ErdData ErdSize Encrypted Random Data\r
- Reserved1 4 bytes Reserved certificate processing data\r
- Reserved2 (var) Reserved for certificate processing data\r
- VSize 2 bytes Size of password validation data\r
- VData VSize-4 Password validation data\r
- VCRC32 4 bytes Standard ZIP CRC32 of password validation data\r
-\r
- IVData - The size of the IV should match the algorithm block size.\r
- The IVData can be completely random data. If the size of\r
- the randomly generated data does not match the block size\r
- it should be complemented with zero's or truncated as\r
- necessary. If IVSize is 0, then IV = CRC32 + Uncompressed\r
- File Size (as a 64 bit little-endian, unsigned integer value).\r
-\r
- Format - the data format identifier for this record. The only\r
- value allowed at this time is the integer value 3.\r
-\r
- AlgId - integer identifier of the encryption algorithm from the\r
- following range\r
-\r
- 0x6601 - DES\r
- 0x6602 - RC2 (version needed to extract < 5.2)\r
- 0x6603 - 3DES 168\r
- 0x6609 - 3DES 112\r
- 0x660E - AES 128\r
- 0x660F - AES 192\r
- 0x6610 - AES 256\r
- 0x6702 - RC2 (version needed to extract >= 5.2)\r
- 0x6801 - RC4\r
- 0xFFFF - Unknown algorithm\r
-\r
- Bitlen - Explicit bit length of key\r
-\r
- 40\r
- 56\r
- 64\r
- 112\r
- 128\r
- 168\r
- 192\r
- 256\r
-\r
- Flags - Processing flags needed for decryption\r
-\r
- 0x0001 - Password is required to decrypt\r
- 0x0002 - Certificates only\r
- 0x0003 - Password or certificate required to decrypt\r
-\r
- Values > 0x0003 reserved for certificate processing\r
-\r
- ErdData - Encrypted random data is used to generate a file\r
- session key for encrypting each file. SHA1 is\r
- used to calculate hash data used to derive keys.\r
- File session keys are derived from a master session\r
- key generated from the user-supplied password.\r
- If the Flags field in the decryption header contains\r
- the value 0x4000, then the ErdData field must be\r
- decrypted using 3DES.\r
-\r
- Reserved1 - Reserved for certificate processing, if value is\r
- zero, then Reserved2 data is absent. See the explanation\r
- under the Certificate Processing Method for details on\r
- this data structure.\r
-\r
- Reserved2 - If present, the size of the Reserved2 data structure\r
- is located by skipping the first 4 bytes of this field\r
- and using the next 2 bytes as the remaining size. See\r
- the explanation under the Certificate Processing Method\r
- for details on this data structure.\r
-\r
- VSize - This size value will always include the 4 bytes of the\r
- VCRC32 data and will be greater than 4 bytes.\r
-\r
- VData - Random data for password validation. This data is VSize\r
- in length and VSize must be a multiple of the encryption\r
- block size. VCRC32 is a checksum value of VData.\r
- VData and VCRC32 are stored encrypted and start the\r
- stream of encrypted data for a file.\r
-\r
-4. Single Password Central Directory Encryption\r
-\r
-Central Directory Encryption is achieved within the .ZIP format by\r
-encrypting the Central Directory structure. This encapsulates the metadata\r
-most often used for processing .ZIP files. Additional metadata is stored for\r
-redundancy in the Local Header for each file. The process of concealing\r
-metadata by encrypting the Central Directory does not protect the data within\r
-the Local Header. To avoid information leakage from the exposed metadata\r
-in the Local Header, the fields containing information about a file are masked.\r
-\r
-Local Header:\r
-\r
-Masking replaces the true content of the fields for a file in the Local\r
-Header with false information. When masked, the Local Header is not\r
-suitable for streaming access and the options for data recovery of damaged\r
-archives is reduced. Extra Data fields that may contain confidential\r
-data should not be stored within the Local Header. The value set into\r
-the Version needed to extract field should be the correct value needed to\r
-extract the file without regard to Central Directory Encryption. The fields\r
-within the Local Header targeted for masking when the Central Directory is\r
-encrypted are:\r
-\r
- Field Name Mask Value\r
- ------------------ ---------------------------\r
- compression method 0\r
- last mod file time 0\r
- last mod file date 0\r
- crc-32 0\r
- compressed size 0\r
- uncompressed size 0\r
- file name (variable size) Base 16 value from the\r
- range 1 - FFFFFFFFFFFFFFFF\r
- represented as a string whose\r
- size will be set into the\r
- file name length field\r
-\r
-The Base 16 value assigned as a masked file name is simply a sequentially\r
-incremented value for each file starting with 1 for the first file.\r
-Modifications to a ZIP file may cause different values to be stored for\r
-each file. For compatibility, the file name field in the Local Header\r
-should never be left blank. As of Version 6.2 of this specification,\r
-the Compression Method and Compressed Size fields are not yet masked.\r
-\r
-Encrypting the Central Directory:\r
-\r
-Encryption of the Central Directory does not include encryption of the\r
-Central Directory Signature data, the ZIP64 End of Central Directory\r
-record, the ZIP64 End of Central Directory Locator, or the End\r
-of Central Directory record. The ZIP file comment data is never\r
-encrypted.\r
-\r
-Before encrypting the Central Directory, it may optionally be compressed.\r
-Compression is not required, but for storage efficiency it is assumed\r
-this structure will be compressed before encrypting. Similarly, this\r
-specification supports compressing the Central Directory without\r
-requiring that it also be encrypted. Early implementations of this\r
-feature will assume the encryption method applied to files matches the\r
-encryption applied to the Central Directory.\r
-\r
-Encryption of the Central Directory is done in a manner similar to\r
-that of file encryption. The encrypted data is preceded by a\r
-decryption header. The decryption header is known as the Archive\r
-Decryption Header. The fields of this record are identical to\r
-the decryption header preceding each encrypted file. The location\r
-of the Archive Decryption Header is determined by the value in the\r
-Start of the Central Directory field in the ZIP64 End of Central\r
-Directory record. When the Central Directory is encrypted, the\r
-ZIP64 End of Central Directory record will always be present.\r
-\r
-The layout of the ZIP64 End of Central Directory record for all\r
-versions starting with 6.2 of this specification will follow the\r
-Version 2 format. The Version 2 format is as follows:\r
-\r
-The first 48 bytes will remain identical to that of Version 1.\r
-The record signature for both Version 1 and Version 2 will be\r
-0x06064b50. Immediately following the 48th byte, which identifies\r
-the end of the field known as the Offset of Start of Central\r
-Directory With Respect to the Starting Disk Number will begin the\r
-new fields defining Version 2 of this record.\r
-\r
-New fields for Version 2:\r
-\r
-Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- Compression Method 2 bytes Method used to compress the\r
- Central Directory\r
- Compressed Size 8 bytes Size of the compressed data\r
- Original Size 8 bytes Original uncompressed size\r
- AlgId 2 bytes Encryption algorithm ID\r
- BitLen 2 bytes Encryption key length\r
- Flags 2 bytes Encryption flags\r
- HashID 2 bytes Hash algorithm identifier\r
- Hash Length 2 bytes Length of hash data\r
- Hash Data (variable) Hash data\r
-\r
-The Compression Method accepts the same range of values as the\r
-corresponding field in the Central Header.\r
-\r
-The Compressed Size and Original Size values will not include the\r
-data of the Central Directory Signature which is compressed or\r
-encrypted.\r
-\r
-The AlgId, BitLen, and Flags fields accept the same range of values\r
-the corresponding fields within the 0x0017 record.\r
-\r
-Hash ID identifies the algorithm used to hash the Central Directory\r
-data. This data does not have to be hashed, in which case the\r
-values for both the HashID and Hash Length will be 0. Possible\r
-values for HashID are:\r
-\r
- Value Algorithm\r
- ------ ---------\r
- 0x0000 none\r
- 0x0001 CRC32\r
- 0x8003 MD5\r
- 0x8004 SHA1\r
-\r
-When the Central Directory data is signed, the same hash algorithm\r
-used to hash the Central Directory for signing should be used.\r
-This is recommended for processing efficiency, however, it is\r
-permissible for any of the above algorithms to be used independent\r
-of the signing process.\r
-\r
-The Hash Data will contain the hash data for the Central Directory.\r
-The length of this data will vary depending on the algorithm used.\r
-\r
-The Version Needed to Extract should be set to 62.\r
-\r
-The value for the Total Number of Entries on the Current Disk will\r
-be 0. These records will no longer support random access when\r
-encrypting the Central Directory.\r
-\r
-When the Central Directory is compressed and/or encrypted, the\r
-End of Central Directory record will store the value 0xFFFFFFFF\r
-as the value for the Total Number of Entries in the Central\r
-Directory. The value stored in the Total Number of Entries in\r
-the Central Directory on this Disk field will be 0. The actual\r
-values will be stored in the equivalent fields of the ZIP64\r
-End of Central Directory record.\r
-\r
-Decrypting and decompressing the Central Directory is accomplished\r
-in the same manner as decrypting and decompressing a file.\r
-\r
-\r
-5. Useful Tips\r
-\r
-Strong Encryption is always applied to a file after compression. The\r
-block oriented algorithms all operate in Cypher Block Chaining (CBC)\r
-mode. The block size used for AES encryption is 16. All other block\r
-algorithms use a block size of 8. Two ID's are defined for RC2 to\r
-account for a discrepancy found in the implementation of the RC2\r
-algorithm in the cryptographic library on Windows XP SP1 and all\r
-earlier versions of Windows.\r
-\r
-A pseudo-code representation of the encryption process is as follows:\r
-\r
-Password = GetUserPassword()\r
-RD = Random()\r
-ERD = Encrypt(RD,DeriveKey(SHA1(Password)))\r
-For Each File\r
- IV = Random()\r
- VData = Random()\r
- FileSessionKey = DeriveKey(SHA1(IV + RD))\r
- Encrypt(VData + VCRC32 + FileData,FileSessionKey)\r
-Done\r
-\r
-The function names and parameter requirements will depend on\r
-the choice of the cryptographic toolkit selected. Almost any\r
-toolkit supporting the reference implementations for each\r
-algorithm can be used. The RSA BSAFE(r), OpenSSL, and Microsoft\r
-CryptoAPI libraries are all known to work well.\r
-\r
-\r
-Certificate Processing Method:\r
------------------------------\r
-\r
-The Certificate Processing Method for ZIP file encryption remains\r
-under development. The information provided here serves as a guide\r
-to those interested in certificate-based data decryption. This\r
-information may be subject to change in future versions of this\r
-specification and is subject to change without notice.\r
-\r
-OAEP Processing with Certificate-based Encryption:\r
-\r
-Versions of PKZIP available during this development phase of the\r
-certificate processing method may set a value of 61 into the\r
-version needed to extract field for a file. This indicates that\r
-non-OAEP key wrapping is used. This affects certificate encryption\r
-only, and password encryption functions should not be affected by\r
-this value. This means values of 61 may be found on files encrypted\r
-with certificates only, or on files encrypted with both password\r
-encryption and certificate encryption. Files encrypted with both\r
-methods can safely be decrypted using the password methods documented.\r
-\r
-OAEP stands for Optimal Asymmetric Encryption Padding. It is a\r
-strengthening technique used for small encoded items such as decryption\r
-keys. This is commonly applied in cryptographic key-wrapping techniques\r
-and is supported by PKCS #1. Versions 5.0 and 6.0 of this specification\r
-were designed to support OAEP key-wrapping for certificate-based\r
-decryption keys for additional security.\r
-\r
-Support for private keys stored on Smart Cards or Tokens introduced\r
-a conflict with this OAEP logic. Most card and token products do\r
-not support the additional strengthening applied to OAEP key-wrapped\r
-data. In order to resolve this conflict, versions 6.1 and above of this\r
-specification will no longer support OAEP when encrypting using\r
-digital certificates.\r
-\r
-Certificate Processing Data Fields:\r
-\r
-The Certificate Processing Method of this specification defines the\r
-following additional data fields:\r
-\r
-\r
-1. Certificate Flag Values\r
-\r
-Additional processing flags that can be present in the Flags field of both\r
-the 0x0017 field of the central directory Extra Field and the Decryption\r
-header record preceding compressed file data are:\r
-\r
- 0x0007 - reserved for future use\r
- 0x000F - reserved for future use\r
- 0x0100 - Indicates non-OAEP key wrapping was used. If this\r
- this field is set, the version needed to extract must\r
- be at least 61. This means OAEP key wrapping is not\r
- used when generating a Master Session Key using\r
- ErdData.\r
- 0x4000 - ErdData must be decrypted using 3DES-168, otherwise use the\r
- same algorithm used for encrypting the file contents.\r
- 0x8000 - reserved for future use\r
-\r
-\r
-2. CertData - Extra Field 0x0017 record certificate data structure\r
-\r
-The data structure used to store certificate data within the section\r
-of the Extra Field defined by the CertData field of the 0x0017\r
-record are as shown:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- RCount 4 bytes Number of recipients.\r
- HashAlg 2 bytes Hash algorithm identifier\r
- HSize 2 bytes Hash size\r
- SRList (var) Simple list of recipients hashed public keys\r
-\r
-\r
- RCount This defines the number intended recipients whose\r
- public keys were used for encryption. This identifies\r
- the number of elements in the SRList.\r
-\r
- HashAlg This defines the hash algorithm used to calculate\r
- the public key hash of each public key used\r
- for encryption. This field currently supports\r
- only the following value for SHA-1\r
-\r
- 0x8004 - SHA1\r
-\r
- HSize This defines the size of a hashed public key.\r
-\r
- SRList This is a variable length list of the hashed\r
- public keys for each intended recipient. Each\r
- element in this list is HSize. The total size of\r
- SRList is determined using RCount * HSize.\r
-\r
-\r
-3. Reserved1 - Certificate Decryption Header Reserved1 Data:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- RCount 4 bytes Number of recipients.\r
-\r
- RCount This defines the number intended recipients whose\r
- public keys were used for encryption. This defines\r
- the number of elements in the REList field defined below.\r
-\r
-\r
-4. Reserved2 - Certificate Decryption Header Reserved2 Data Structures:\r
-\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- HashAlg 2 bytes Hash algorithm identifier\r
- HSize 2 bytes Hash size\r
- REList (var) List of recipient data elements\r
-\r
-\r
- HashAlg This defines the hash algorithm used to calculate\r
- the public key hash of each public key used\r
- for encryption. This field currently supports\r
- only the following value for SHA-1\r
-\r
- 0x8004 - SHA1\r
-\r
- HSize This defines the size of a hashed public key\r
- defined in REHData.\r
-\r
- REList This is a variable length of list of recipient data.\r
- Each element in this list consists of a Recipient\r
- Element data structure as follows:\r
-\r
-\r
- Recipient Element (REList) Data Structure:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- RESize 2 bytes Size of REHData + REKData\r
- REHData HSize Hash of recipients public key\r
- REKData (var) Simple key blob\r
-\r
-\r
- RESize This defines the size of an individual REList\r
- element. This value is the combined size of the\r
- REHData field + REKData field. REHData is defined by\r
- HSize. REKData is variable and can be calculated\r
- for each REList element using RESize and HSize.\r
-\r
- REHData Hashed public key for this recipient.\r
-\r
- REKData Simple Key Blob. The format of this data structure\r
- is identical to that defined in the Microsoft\r
- CryptoAPI and generated using the CryptExportKey()\r
- function. The version of the Simple Key Blob\r
- supported at this time is 0x02 as defined by\r
- Microsoft.\r
-\r
-5. Certificate Processing - Central Directory Encryption:\r
-\r
-Central Directory Encryption using Digital Certificates will\r
-operate in a manner similar to that of Single Password Central\r
-Directory Encryption. This record will only be present when there\r
-is data to place into it. Currently, data is placed into this\r
-record when digital certificates are used for either encrypting\r
-or signing the files within a ZIP file. When only password\r
-encryption is used with no certificate encryption or digital\r
-signing, this record is not currently needed. When present, this\r
-record will appear before the start of the actual Central Directory\r
-data structure and will be located immediately after the Archive\r
-Decryption Header if the Central Directory is encrypted.\r
-\r
-The Archive Extra Data record will be used to store the following\r
-information. Additional data may be added in future versions.\r
-\r
-Extra Data Fields:\r
-\r
-0x0014 - PKCS#7 Store for X.509 Certificates\r
-0x0016 - X.509 Certificate ID and Signature for central directory\r
-0x0019 - PKCS#7 Encryption Recipient Certificate List\r
-\r
-The 0x0014 and 0x0016 Extra Data records that otherwise would be\r
-located in the first record of the Central Directory for digital\r
-certificate processing. When encrypting or compressing the Central\r
-Directory, the 0x0014 and 0x0016 records must be located in the\r
-Archive Extra Data record and they should not remain in the first\r
-Central Directory record. The Archive Extra Data record will also\r
-be used to store the 0x0019 data.\r
-\r
-When present, the size of the Archive Extra Data record will be\r
-included in the size of the Central Directory. The data of the\r
-Archive Extra Data record will also be compressed and encrypted\r
-along with the Central Directory data structure.\r
-\r
-6. Certificate Processing Differences:\r
-\r
-The Certificate Processing Method of encryption differs from the\r
-Single Password Symmetric Encryption Method as follows. Instead\r
-of using a user-defined password to generate a master session key,\r
-cryptographically random data is used. The key material is then\r
-wrapped using standard key-wrapping techniques. This key material\r
-is wrapped using the public key of each recipient that will need\r
-to decrypt the file using their corresponding private key.\r
-\r
-This specification currently assumes digital certificates will follow\r
-the X.509 V3 format for 1024 bit and higher RSA format digital\r
-certificates. Implementation of this Certificate Processing Method\r
-requires supporting logic for key access and management. This logic\r
-is outside the scope of this specification.\r
-\r
-\r
-License Agreement:\r
------------------\r
-\r
-The features set forth in this Section XIV (the "Strong Encryption\r
-Specification") are covered by a pending patent application. Portions of\r
-this Strong Encryption technology are available for use at no charge\r
-under the following terms and conditions.\r
-\r
-1. License Grant.\r
-\r
- a. NOTICE TO USER. PLEASE READ THIS ENTIRE SECTION XIV OF THE\r
- APPNOTE (THE "AGREEMENT") CAREFULLY. BY USING ALL OR ANY PORTION OF THE\r
- LICENSED TECHNOLOGY, YOU ACCEPT ALL THE TERMS AND CONDITIONS OF THIS\r
- AGREEMENT AND YOU AGREE THAT THIS AGREEMENT IS ENFORCEABLE LIKE ANY\r
- WRITTEN NEGOTIATED AGREEMENT SIGNED BY YOU. IF YOU DO NOT AGREE, DO NOT\r
- USE THE LICENSED TECHNOLOGY.\r
-\r
- b. Definitions.\r
-\r
- i. "Licensed Technology" shall mean that proprietary technology now or\r
- hereafter owned or controlled by PKWare, Inc. ("PKWARE") or any\r
- subsidiary or affiliate that covers or is necessary to be used to give\r
- software the ability to a) extract and decrypt data from zip files\r
- encrypted using any methods of data encryption and key processing which\r
- are published in this APPNOTE or any prior APPNOTE, as supplemented by\r
- any Additional Compatibility Information; and b) encrypt file contents\r
- as part of .ZIP file processing using only the Single Password Symmetric\r
- Encryption Method as published in this APPNOTE or any prior APPNOTE, as\r
- supplemented by any Additional Compatibility Information. For purposes\r
- of this AGREEMENT, "Additional Compatibility Information" means, with\r
- regard to any method of data encryption and key processing published in\r
- this or any prior APPNOTE, any corrections, additions, or clarifications\r
- to the information in such APPNOTE that are required in order to give\r
- software the ability to successfully extract and decrypt zip files (or,\r
- but solely in the case of the Single Password Symmetric Encryption Method,\r
- to successfully encrypt zip files) in a manner interoperable with the\r
- actual implementation of such method in any PKWARE product that is\r
- documented or publicly described by PKWARE as being able to create, or\r
- to extract and decrypt, zip files using that method.\r
-\r
- ii. "Licensed Products" shall mean any products you produce that\r
- incorporate the Licensed Technology.\r
-\r
- c. License to Licensed Technology.\r
-\r
- PKWARE hereby grants to you a non-exclusive license to use the Licensed\r
- Technology for the purpose of manufacturing, offering, selling and using\r
- Licensed Products, which license shall extend to permit the practice of all\r
- claims in any patent or patent application (collectively, "Patents") now or\r
- hereafter owned or controlled by PKWARE in any jurisdiction in the world\r
- that are infringed by implementation of the Licensed Technology. You have\r
- the right to sublicense rights you receive under the terms of this AGREEMENT\r
- for the purpose of allowing sublicensee to manufacture, offer, sell and use\r
- products that incorporate all or a portion of any of your Licensed Products,\r
- but if you do, you agree to i) impose the same restrictions on any such\r
- sublicensee as these terms impose on you and ii) notify the sublicensee,\r
- by means chosen by you in your unfettered discretion, including a notice on\r
- your web site, of the terms of this AGREEMENT and make available to each\r
- sublicensee the full text of this APPNOTE. Further, PKWARE hereby grants to\r
- you a non-exclusive right to reproduce and distribute, in any form, copies of\r
- this APPNOTE, without modification. Notwithstanding anything to the contrary\r
- in this AGREEMENT, you have the right to sublicense the rights, without any of\r
- the restrictions described above or elsewhere in this AGREEMENT, to use, offer\r
- to sell and sell Licensed Technology as incorporated in executable object code\r
- or byte code forms of your Licensed Products. Any sublicense to use the\r
- Licensed Technology incorporated in a Licensed Product granted by you shall\r
- survive the termination of this AGREEMENT for any reason. PKWARE warrants that\r
- this license shall continue to encumber the Licensed Technology regardless of\r
- changes in ownership of the Licensed Technology.\r
-\r
- d. Proprietary Notices.\r
-\r
- i. With respect to any Licensed Product that is distributed by you either\r
- in source code form or in the form of an object code library of externally\r
- callable functions that has been designed by you for incorporation into third\r
- party products, you agree to include, in the source code, or in the case of\r
- an object code library, in accompanying documentation, a notice using the\r
- words "patent pending" until a patent is issued to PKWARE covering any\r
- portion of the Licensed Technology or PKWARE provides notice, by means\r
- chosen by PKWARE in its unfettered discretion, that it no longer has any\r
- patent pending covering any portion of the Licensed Technology. With respect\r
- to any Licensed Product, upon your becoming aware that at least one patent has\r
- been granted covering the Licensed Technology, you agree to include in any\r
- revisions made by you to the documentation (or any source code distributed\r
- by you) the words "Pat. No.", or "Patent Number" and the patent number or\r
- numbers of the applicable patent or patents. PKWARE shall, from time to time,\r
- inform you of the patent number or numbers of the patents covering the\r
- Licensed Technology, by means chosen by PKWARE in its unfettered discretion,\r
- including a notice on its web site. It shall be a violation of the terms of\r
- this AGREEMENT for you to sell Licensed Products without complying with the\r
- foregoing marking provisions.\r
-\r
- ii. You acknowledge that the terms of this AGREEMENT do not grant you any\r
- license or other right to use any PKWARE trademark in connection with the sale,\r
- offering for sale, distribution and delivery of the Licensed Products, or in\r
- connection with the advertising, promotion and offering of the Licensed Products.\r
- You acknowledge PKWARE's ownership of the PKZIP trademark and all other marks\r
- owned by PKWARE.\r
-\r
- e. Covenant of Compliance and Remedies.\r
-\r
- To the extent that you have elected to implement portions of the Licensed\r
- Technology, you agree to use reasonable diligence to comply with those portions\r
- of this Section XIV, as modified or supplemented by Additional Compatibility\r
- Information available to you, describing the portions of the Licensed Technology\r
- that you have elected to implement. Upon reasonable request by PKWARE, you will\r
- provide written notice to PKWARE identifying which version of this APPNOTE you\r
- have relied upon for your implementation of any specified Licensed Product.\r
-\r
- If any substantial non-compliance with the terms of this AGREEMENT is determined\r
- to exist, you will make such changes as necessary to bring your Licensed Products\r
- into substantial compliance with the terms of this AGREEMENT. If, within sixty\r
- days of receipt of notice that a Licensed Product fails to comply with the terms\r
- of this AGREEMENT, you fail to make such changes as necessary to bring your\r
- Licensed Products into compliance with the terms of this AGREEMENT, PKWARE may\r
- terminate your rights under this AGREEMENT. PKWARE does not waive and expressly\r
- reserves the right to pursue any and all additional remedies that are or may\r
- become available to PKWARE.\r
-\r
- f. Warranty and Indemnification Regarding Exportation.\r
-\r
- You realize and acknowledge that, as between yourself and PKWARE, you are fully\r
- responsible for compliance with the import and export laws and regulations of\r
- any country in or to which you import or export any Licensed Products, and you\r
- agree to hold PKWARE harmless from any claim of violation of any such import\r
- or export laws.\r
-\r
- g. Patent Infringement.\r
-\r
- You agree that you will not bring or threaten to bring any action against PKWARE\r
- for infringement of the claims of any patent owned or controlled by you solely\r
- as a result of PKWARE's own implementation of the Licensed Technology. As its\r
- exclusive remedy for your breach of the foregoing agreement, PKWARE reserves\r
- the right to suspend or terminate all rights granted under the terms of this\r
- AGREEMENT if you bring or threaten to bring any such action against PKWARE,\r
- effective immediately upon delivery of written notice of suspension or\r
- termination to you.\r
-\r
- h. Governing Law.\r
-\r
- The license granted in this AGREEMENT shall be governed by and construed under\r
- the laws of the State of Wisconsin and the United States.\r
-\r
- i. Revisions and Notice.\r
-\r
- The license granted in this APPNOTE is irrevocable, except as expressly set\r
- forth above. You agree and understand that any changes which PKWARE determines\r
- to make to this APPNOTE shall be posted at the same location as the current\r
- APPNOTE or at a location which will be identified by means chosen by PKWARE,\r
- including a notice on its web site, and shall be available for adoption by you\r
- immediately upon such posting, or at such other time as PKWARE shall determine.\r
- Any changes to the terms of the license published in a subsequent version of\r
- this AGREEMENT shall be binding upon you only with respect to your products\r
- that (i) incorporate any Licensed Technology (as defined in the subsequent\r
- AGREEMENT) that is not otherwise included in the definition of Licensed\r
- Technology under this AGREEMENT, or (ii) that you expressly identify are to\r
- be licensed under the subsequent AGREEMENT, which identification shall be by\r
- written notice with reference to the APPNOTE (version and release date or other\r
- unique identifier) in which the subsequent AGREEMENT is published. PKWARE\r
- agrees to identify each change to this APPNOTE by using a unique version and\r
- release date identifier or other unique identifier.\r
-\r
- j. Warranty by PKWARE\r
-\r
- PKWare, Inc. warrants that it has the right to grant the license hereunder.\r
-\r
-XV. Change Process\r
-------------------\r
-\r
-In order for the .ZIP file format to remain a viable definition, this\r
-specification should be considered as open for periodic review and\r
-revision. Although this format was originally designed with a\r
-certain level of extensibility, not all changes in technology\r
-(present or future) were or will be necessarily considered in its\r
-design. If your application requires new definitions to the\r
-extensible sections in this format, or if you would like to\r
-submit new data structures, please forward your request to\r
-zipformat@pkware.com. All submissions will be reviewed by the\r
-ZIP File Specification Committee for possible inclusion into\r
-future versions of this specification. Periodic revisions\r
-to this specification will be published to ensure interoperability.\r
-We encourage comments and feedback that may help improve clarity\r
-or content.\r
-\r
-\r
-XVI. Acknowledgements\r
----------------------\r
-\r
-In addition to the above mentioned contributors to PKZIP and PKUNZIP,\r
-I would like to extend special thanks to Robert Mahoney for suggesting\r
-the extension .ZIP for this software.\r
-\r
-\r
-XVII. References\r
-----------------\r
-\r
- Fiala, Edward R., and Greene, Daniel H., "Data compression with\r
- finite windows", Communications of the ACM, Volume 32, Number 4,\r
- April 1989, pages 490-505.\r
-\r
- Held, Gilbert, "Data Compression, Techniques and Applications,\r
- Hardware and Software Considerations", John Wiley & Sons, 1987.\r
-\r
- Huffman, D.A., "A method for the construction of minimum-redundancy\r
- codes", Proceedings of the IRE, Volume 40, Number 9, September 1952,\r
- pages 1098-1101.\r
-\r
- Nelson, Mark, "LZW Data Compression", Dr. Dobbs Journal, Volume 14,\r
- Number 10, October 1989, pages 29-37.\r
-\r
- Nelson, Mark, "The Data Compression Book", M&T Books, 1991.\r
-\r
- Storer, James A., "Data Compression, Methods and Theory",\r
- Computer Science Press, 1988\r
-\r
- Welch, Terry, "A Technique for High-Performance Data Compression",\r
- IEEE Computer, Volume 17, Number 6, June 1984, pages 8-19.\r
-\r
- Ziv, J. and Lempel, A., "A universal algorithm for sequential data\r
- compression", Communications of the ACM, Volume 30, Number 6,\r
- June 1987, pages 520-540.\r
-\r
- Ziv, J. and Lempel, A., "Compression of individual sequences via\r
- variable-rate coding", IEEE Transactions on Information Theory,\r
- Volume 24, Number 5, September 1978, pages 530-536.\r
+++ /dev/null
-File: APPNOTE.TXT - .ZIP File Format Specification\r
-Version: 6.3.4 \r
-Status: Final - replaces version 6.3.3\r
-Revised: October 1, 2014\r
-Copyright (c) 1989 - 2014 PKWARE Inc., All Rights Reserved.\r
-\r
-1.0 Introduction\r
----------------\r
-\r
-1.1 Purpose\r
------------\r
-\r
- 1.1.1 This specification is intended to define a cross-platform,\r
- interoperable file storage and transfer format. Since its \r
- first publication in 1989, PKWARE, Inc. ("PKWARE") has remained \r
- committed to ensuring the interoperability of the .ZIP file \r
- format through periodic publication and maintenance of this \r
- specification. We trust that all .ZIP compatible vendors and \r
- application developers that use and benefit from this format \r
- will share and support this commitment to interoperability.\r
-\r
-1.2 Scope\r
----------\r
-\r
- 1.2.1 ZIP is one of the most widely used compressed file formats. It is \r
- universally used to aggregate, compress, and encrypt files into a single\r
- interoperable container. No specific use or application need is \r
- defined by this format and no specific implementation guidance is \r
- provided. This document provides details on the storage format for \r
- creating ZIP files. Information is provided on the records and \r
- fields that describe what a ZIP file is. \r
-\r
-1.3 Trademarks\r
---------------\r
-\r
- 1.3.1 PKWARE, PKZIP, SecureZIP, and PKSFX are registered trademarks of \r
- PKWARE, Inc. in the United States and elsewhere. PKPatchMaker, \r
- Deflate64, and ZIP64 are trademarks of PKWARE, Inc. Other marks \r
- referenced within this document appear for identification\r
- purposes only and are the property of their respective owners.\r
- \r
-\r
-1.4 Permitted Use\r
------------------ \r
-\r
- 1.4.1 This document, "APPNOTE.TXT - .ZIP File Format Specification" is the\r
- exclusive property of PKWARE. Use of the information contained in this \r
- document is permitted solely for the purpose of creating products, \r
- programs and processes that read and write files in the ZIP format\r
- subject to the terms and conditions herein.\r
-\r
- 1.4.2 Use of the content of this document within other publications is \r
- permitted only through reference to this document. Any reproduction\r
- or distribution of this document in whole or in part without prior\r
- written permission from PKWARE is strictly prohibited.\r
-\r
- 1.4.3 Certain technological components provided in this document are the \r
- patented proprietary technology of PKWARE and as such require a \r
- separate, executed license agreement from PKWARE. Applicable \r
- components are marked with the following, or similar, statement: \r
- 'Refer to the section in this document entitled "Incorporating \r
- PKWARE Proprietary Technology into Your Product" for more information'.\r
-\r
-1.5 Contacting PKWARE\r
----------------------\r
-\r
- 1.5.1 If you have questions on this format, its use, or licensing, or if you \r
- wish to report defects, request changes or additions, please contact:\r
-\r
- PKWARE, Inc.\r
- 201 E. Pittsburgh Avenue, Suite 400\r
- Milwaukee, WI 53204\r
- +1-414-289-9788\r
- +1-414-289-9789 FAX\r
- zipformat@pkware.com\r
-\r
- 1.5.2 Information about this format and copies of this document are publicly\r
- available at:\r
-\r
- http://www.pkware.com/appnote\r
-\r
-1.6 Disclaimer\r
---------------\r
-\r
- 1.6.1 Although PKWARE will attempt to supply current and accurate\r
- information relating to its file formats, algorithms, and the\r
- subject programs, the possibility of error or omission cannot \r
- be eliminated. PKWARE therefore expressly disclaims any warranty \r
- that the information contained in the associated materials relating \r
- to the subject programs and/or the format of the files created or\r
- accessed by the subject programs and/or the algorithms used by\r
- the subject programs, or any other matter, is current, correct or\r
- accurate as delivered. Any risk of damage due to any possible\r
- inaccurate information is assumed by the user of the information.\r
- Furthermore, the information relating to the subject programs\r
- and/or the file formats created or accessed by the subject\r
- programs and/or the algorithms used by the subject programs is\r
- subject to change without notice.\r
-\r
-2.0 Revisions\r
---------------\r
-\r
-2.1 Document Status\r
---------------------\r
-\r
- 2.1.1 If the STATUS of this file is marked as DRAFT, the content \r
- defines proposed revisions to this specification which may consist \r
- of changes to the ZIP format itself, or that may consist of other \r
- content changes to this document. Versions of this document and \r
- the format in DRAFT form may be subject to modification prior to \r
- publication STATUS of FINAL. DRAFT versions are published periodically \r
- to provide notification to the ZIP community of pending changes and to \r
- provide opportunity for review and comment.\r
-\r
- 2.1.2 Versions of this document having a STATUS of FINAL are \r
- considered to be in the final form for that version of the document \r
- and are not subject to further change until a new, higher version\r
- numbered document is published. Newer versions of this format \r
- specification are intended to remain interoperable with with all prior \r
- versions whenever technically possible. \r
-\r
-2.2 Change Log\r
---------------\r
-\r
- Version Change Description Date\r
- ------- ------------------ ----------\r
- 5.2 -Single Password Symmetric Encryption 06/02/2003\r
- storage\r
-\r
- 6.1.0 -Smartcard compatibility 01/20/2004\r
- -Documentation on certificate storage\r
-\r
- 6.2.0 -Introduction of Central Directory 04/26/2004\r
- Encryption for encrypting metadata\r
- -Added OS X to Version Made By values\r
-\r
- 6.2.1 -Added Extra Field placeholder for 04/01/2005\r
- POSZIP using ID 0x4690\r
-\r
- -Clarified size field on \r
- "zip64 end of central directory record"\r
-\r
- 6.2.2 -Documented Final Feature Specification 01/06/2006\r
- for Strong Encryption\r
-\r
- -Clarifications and typographical \r
- corrections\r
-\r
- 6.3.0 -Added tape positioning storage 09/29/2006\r
- parameters\r
-\r
- -Expanded list of supported hash algorithms\r
-\r
- -Expanded list of supported compression\r
- algorithms\r
-\r
- -Expanded list of supported encryption\r
- algorithms\r
-\r
- -Added option for Unicode filename \r
- storage\r
-\r
- -Clarifications for consistent use\r
- of Data Descriptor records\r
-\r
- -Added additional "Extra Field" \r
- definitions\r
-\r
- 6.3.1 -Corrected standard hash values for 04/11/2007\r
- SHA-256/384/512\r
-\r
- 6.3.2 -Added compression method 97 09/28/2007\r
-\r
- -Documented InfoZIP "Extra Field"\r
- values for UTF-8 file name and\r
- file comment storage\r
-\r
- 6.3.3 -Formatting changes to support 09/01/2012\r
- easier referencing of this APPNOTE\r
- from other documents and standards \r
-\r
- 6.3.4 -Address change 10/01/2014\r
-\r
-\r
-3.0 Notations\r
--------------\r
-\r
- 3.1 Use of the term MUST or SHALL indicates a required element. \r
-\r
- 3.2 MAY NOT or SHALL NOT indicates an element is prohibited from use. \r
-\r
- 3.3 SHOULD indicates a RECOMMENDED element.\r
-\r
- 3.4 SHOULD NOT indicates an element NOT RECOMMENDED for use.\r
- \r
- 3.5 MAY indicates an OPTIONAL element.\r
-\r
-\r
-4.0 ZIP Files\r
--------------\r
-\r
-4.1 What is a ZIP file\r
-----------------------\r
-\r
- 4.1.1 ZIP files MAY be identified by the standard .ZIP file extension \r
- although use of a file extension is not required. Use of the \r
- extension .ZIPX is also recognized and MAY be used for ZIP files. \r
- Other common file extensions using the ZIP format include .JAR, .WAR, \r
- .DOCX, .XLXS, .PPTX, .ODT, .ODS, .ODP and others. Programs reading or \r
- writing ZIP files SHOULD rely on internal record signatures described \r
- in this document to identify files in this format.\r
-\r
- 4.1.2 ZIP files SHOULD contain at least one file and MAY contain \r
- multiple files. \r
-\r
- 4.1.3 Data compression MAY be used to reduce the size of files\r
- placed into a ZIP file, but is not required. This format supports the \r
- use of multiple data compression algorithms. When compression is used, \r
- one of the documented compression algorithms MUST be used. Implementors \r
- are advised to experiment with their data to determine which of the \r
- available algorithms provides the best compression for their needs.\r
- Compression method 8 (Deflate) is the method used by default by most \r
- ZIP compatible application programs. \r
-\r
-\r
- 4.1.4 Data encryption MAY be used to protect files within a ZIP file. \r
- Keying methods supported for encryption within this format include\r
- passwords and public/private keys. Either MAY be used individually\r
- or in combination. Encryption MAY be applied to individual files. \r
- Additional security MAY be used through the encryption of ZIP file \r
- metadata stored within the Central Directory. See the section on the \r
- Strong Encryption Specification for information. Refer to the section \r
- in this document entitled "Incorporating PKWARE Proprietary Technology \r
- into Your Product" for more information.\r
-\r
- 4.1.5 Data integrity MUST be provided for each file using CRC32. \r
- \r
- 4.1.6 Additional data integrity MAY be included through the use of \r
- digital signatures. Individual files MAY be signed with one or more \r
- digital signatures. The Central Directory, if signed, MUST use a \r
- single signature. \r
-\r
- 4.1.7 Files MAY be placed within a ZIP file uncompressed or stored. \r
- The term "stored" as used in the context of this document means the file \r
- is copied into the ZIP file uncompressed. \r
-\r
- 4.1.8 Each data file placed into a ZIP file MAY be compressed, stored, \r
- encrypted or digitally signed independent of how other data files in the \r
- same ZIP file are archived.\r
-\r
- 4.1.9 ZIP files MAY be streamed, split into segments (on fixed or on\r
- removable media) or "self-extracting". Self-extracting ZIP \r
- files MUST include extraction code for a target platform within \r
- the ZIP file. \r
-\r
- 4.1.10 Extensibility is provided for platform or application specific\r
- needs through extra data fields that MAY be defined for custom\r
- purposes. Extra data definitions MUST NOT conflict with existing\r
- documented record definitions. \r
-\r
- 4.1.11 Common uses for ZIP MAY also include the use of manifest files. \r
- Manifest files store application specific information within a file stored \r
- within the ZIP file. This manifest file SHOULD be the first file in the \r
- ZIP file. This specification does not provide any information or guidance on \r
- the use of manifest files within ZIP files. Refer to the application developer\r
- for information on using manifest files and for any additional profile\r
- information on using ZIP within an application.\r
-\r
- 4.1.12 ZIP files MAY be placed within other ZIP files.\r
-\r
-4.2 ZIP Metadata\r
-----------------\r
-\r
- 4.2.1 ZIP files are identified by metadata consisting of defined record types \r
- containing the storage information necessary for maintaining the files \r
- placed into a ZIP file. Each record type MUST be identified using a header \r
- signature that identifies the record type. Signature values begin with the \r
- two byte constant marker of 0x4b50, representing the characters "PK".\r
-\r
-\r
-4.3 General Format of a .ZIP file\r
----------------------------------\r
-\r
- 4.3.1 A ZIP file MUST contain an "end of central directory record". A ZIP \r
- file containing only an "end of central directory record" is considered an \r
- empty ZIP file. Files may be added or replaced within a ZIP file, or deleted. \r
- A ZIP file MUST have only one "end of central directory record". Other \r
- records defined in this specification MAY be used as needed to support \r
- storage requirements for individual ZIP files.\r
-\r
- 4.3.2 Each file placed into a ZIP file MUST be preceeded by a "local \r
- file header" record for that file. Each "local file header" MUST be \r
- accompanied by a corresponding "central directory header" record within \r
- the central directory section of the ZIP file.\r
-\r
- 4.3.3 Files MAY be stored in arbitrary order within a ZIP file. A ZIP \r
- file MAY span multiple volumes or it MAY be split into user-defined \r
- segment sizes. All values MUST be stored in little-endian byte order unless \r
- otherwise specified in this document for a specific data element. \r
-\r
- 4.3.4 Compression MUST NOT be applied to a "local file header", an "encryption\r
- header", or an "end of central directory record". Individual "central \r
- directory records" must not be compressed, but the aggregate of all central\r
- directory records MAY be compressed. \r
-\r
- 4.3.5 File data MAY be followed by a "data descriptor" for the file. Data \r
- descriptors are used to facilitate ZIP file streaming. \r
-\r
- \r
- 4.3.6 Overall .ZIP file format:\r
-\r
- [local file header 1]\r
- [encryption header 1]\r
- [file data 1]\r
- [data descriptor 1]\r
- . \r
- .\r
- .\r
- [local file header n]\r
- [encryption header n]\r
- [file data n]\r
- [data descriptor n]\r
- [archive decryption header] \r
- [archive extra data record] \r
- [central directory header 1]\r
- .\r
- .\r
- .\r
- [central directory header n]\r
- [zip64 end of central directory record]\r
- [zip64 end of central directory locator] \r
- [end of central directory record]\r
-\r
-\r
- 4.3.7 Local file header:\r
-\r
- local file header signature 4 bytes (0x04034b50)\r
- version needed to extract 2 bytes\r
- general purpose bit flag 2 bytes\r
- compression method 2 bytes\r
- last mod file time 2 bytes\r
- last mod file date 2 bytes\r
- crc-32 4 bytes\r
- compressed size 4 bytes\r
- uncompressed size 4 bytes\r
- file name length 2 bytes\r
- extra field length 2 bytes\r
-\r
- file name (variable size)\r
- extra field (variable size)\r
-\r
- 4.3.8 File data\r
-\r
- Immediately following the local header for a file\r
- SHOULD be placed the compressed or stored data for the file.\r
- If the file is encrypted, the encryption header for the file \r
- SHOULD be placed after the local header and before the file \r
- data. The series of [local file header][encryption header]\r
- [file data][data descriptor] repeats for each file in the \r
- .ZIP archive. \r
-\r
- Zero-byte files, directories, and other file types that \r
- contain no content MUST not include file data.\r
-\r
- 4.3.9 Data descriptor:\r
-\r
- crc-32 4 bytes\r
- compressed size 4 bytes\r
- uncompressed size 4 bytes\r
-\r
- 4.3.9.1 This descriptor MUST exist if bit 3 of the general\r
- purpose bit flag is set (see below). It is byte aligned\r
- and immediately follows the last byte of compressed data.\r
- This descriptor SHOULD be used only when it was not possible to\r
- seek in the output .ZIP file, e.g., when the output .ZIP file\r
- was standard output or a non-seekable device. For ZIP64(tm) format\r
- archives, the compressed and uncompressed sizes are 8 bytes each.\r
-\r
- 4.3.9.2 When compressing files, compressed and uncompressed sizes \r
- should be stored in ZIP64 format (as 8 byte values) when a \r
- file's size exceeds 0xFFFFFFFF. However ZIP64 format may be \r
- used regardless of the size of a file. When extracting, if \r
- the zip64 extended information extra field is present for \r
- the file the compressed and uncompressed sizes will be 8\r
- byte values. \r
-\r
- 4.3.9.3 Although not originally assigned a signature, the value \r
- 0x08074b50 has commonly been adopted as a signature value \r
- for the data descriptor record. Implementers should be \r
- aware that ZIP files may be encountered with or without this \r
- signature marking data descriptors and SHOULD account for\r
- either case when reading ZIP files to ensure compatibility.\r
-\r
- 4.3.9.4 When writing ZIP files, implementors SHOULD include the\r
- signature value marking the data descriptor record. When\r
- the signature is used, the fields currently defined for\r
- the data descriptor record will immediately follow the\r
- signature.\r
-\r
- 4.3.9.5 An extensible data descriptor will be released in a \r
- future version of this APPNOTE. This new record is intended to\r
- resolve conflicts with the use of this record going forward,\r
- and to provide better support for streamed file processing.\r
-\r
- 4.3.9.6 When the Central Directory Encryption method is used, \r
- the data descriptor record is not required, but MAY be used. \r
- If present, and bit 3 of the general purpose bit field is set to \r
- indicate its presence, the values in fields of the data descriptor\r
- record MUST be set to binary zeros. See the section on the Strong \r
- Encryption Specification for information. Refer to the section in \r
- this document entitled "Incorporating PKWARE Proprietary Technology \r
- into Your Product" for more information.\r
-\r
-\r
- 4.3.10 Archive decryption header: \r
-\r
- 4.3.10.1 The Archive Decryption Header is introduced in version 6.2\r
- of the ZIP format specification. This record exists in support\r
- of the Central Directory Encryption Feature implemented as part of \r
- the Strong Encryption Specification as described in this document.\r
- When the Central Directory Structure is encrypted, this decryption\r
- header MUST precede the encrypted data segment. \r
-\r
- 4.3.10.2 The encrypted data segment SHALL consist of the Archive \r
- extra data record (if present) and the encrypted Central Directory \r
- Structure data. The format of this data record is identical to the \r
- Decryption header record preceding compressed file data. If the \r
- central directory structure is encrypted, the location of the start of\r
- this data record is determined using the Start of Central Directory\r
- field in the Zip64 End of Central Directory record. See the \r
- section on the Strong Encryption Specification for information\r
- on the fields used in the Archive Decryption Header record.\r
- Refer to the section in this document entitled "Incorporating \r
- PKWARE Proprietary Technology into Your Product" for more information.\r
-\r
-\r
- 4.3.11 Archive extra data record: \r
-\r
- archive extra data signature 4 bytes (0x08064b50)\r
- extra field length 4 bytes\r
- extra field data (variable size)\r
-\r
- 4.3.11.1 The Archive Extra Data Record is introduced in version 6.2\r
- of the ZIP format specification. This record MAY be used in support\r
- of the Central Directory Encryption Feature implemented as part of \r
- the Strong Encryption Specification as described in this document.\r
- When present, this record MUST immediately precede the central \r
- directory data structure. \r
-\r
- 4.3.11.2 The size of this data record SHALL be included in the \r
- Size of the Central Directory field in the End of Central \r
- Directory record. If the central directory structure is compressed, \r
- but not encrypted, the location of the start of this data record is \r
- determined using the Start of Central Directory field in the Zip64 \r
- End of Central Directory record. Refer to the section in this document \r
- entitled "Incorporating PKWARE Proprietary Technology into Your \r
- Product" for more information.\r
-\r
- 4.3.12 Central directory structure:\r
-\r
- [central directory header 1]\r
- .\r
- .\r
- . \r
- [central directory header n]\r
- [digital signature] \r
-\r
- File header:\r
-\r
- central file header signature 4 bytes (0x02014b50)\r
- version made by 2 bytes\r
- version needed to extract 2 bytes\r
- general purpose bit flag 2 bytes\r
- compression method 2 bytes\r
- last mod file time 2 bytes\r
- last mod file date 2 bytes\r
- crc-32 4 bytes\r
- compressed size 4 bytes\r
- uncompressed size 4 bytes\r
- file name length 2 bytes\r
- extra field length 2 bytes\r
- file comment length 2 bytes\r
- disk number start 2 bytes\r
- internal file attributes 2 bytes\r
- external file attributes 4 bytes\r
- relative offset of local header 4 bytes\r
-\r
- file name (variable size)\r
- extra field (variable size)\r
- file comment (variable size)\r
-\r
- 4.3.13 Digital signature:\r
-\r
- header signature 4 bytes (0x05054b50)\r
- size of data 2 bytes\r
- signature data (variable size)\r
-\r
- With the introduction of the Central Directory Encryption \r
- feature in version 6.2 of this specification, the Central \r
- Directory Structure MAY be stored both compressed and encrypted. \r
- Although not required, it is assumed when encrypting the\r
- Central Directory Structure, that it will be compressed\r
- for greater storage efficiency. Information on the\r
- Central Directory Encryption feature can be found in the section\r
- describing the Strong Encryption Specification. The Digital \r
- Signature record will be neither compressed nor encrypted.\r
-\r
- 4.3.14 Zip64 end of central directory record\r
-\r
- zip64 end of central dir \r
- signature 4 bytes (0x06064b50)\r
- size of zip64 end of central\r
- directory record 8 bytes\r
- version made by 2 bytes\r
- version needed to extract 2 bytes\r
- number of this disk 4 bytes\r
- number of the disk with the \r
- start of the central directory 4 bytes\r
- total number of entries in the\r
- central directory on this disk 8 bytes\r
- total number of entries in the\r
- central directory 8 bytes\r
- size of the central directory 8 bytes\r
- offset of start of central\r
- directory with respect to\r
- the starting disk number 8 bytes\r
- zip64 extensible data sector (variable size)\r
-\r
- 4.3.14.1 The value stored into the "size of zip64 end of central\r
- directory record" should be the size of the remaining\r
- record and should not include the leading 12 bytes.\r
- \r
- Size = SizeOfFixedFields + SizeOfVariableData - 12.\r
-\r
- 4.3.14.2 The above record structure defines Version 1 of the \r
- zip64 end of central directory record. Version 1 was \r
- implemented in versions of this specification preceding \r
- 6.2 in support of the ZIP64 large file feature. The \r
- introduction of the Central Directory Encryption feature \r
- implemented in version 6.2 as part of the Strong Encryption \r
- Specification defines Version 2 of this record structure. \r
- Refer to the section describing the Strong Encryption \r
- Specification for details on the version 2 format for \r
- this record. Refer to the section in this document entitled \r
- "Incorporating PKWARE Proprietary Technology into Your Product"\r
- for more information applicable to use of Version 2 of this\r
- record.\r
-\r
- 4.3.14.3 Special purpose data MAY reside in the zip64 extensible \r
- data sector field following either a V1 or V2 version of this\r
- record. To ensure identification of this special purpose data\r
- it must include an identifying header block consisting of the\r
- following:\r
-\r
- Header ID - 2 bytes\r
- Data Size - 4 bytes\r
-\r
- The Header ID field indicates the type of data that is in the \r
- data block that follows.\r
-\r
- Data Size identifies the number of bytes that follow for this\r
- data block type.\r
-\r
- 4.3.14.4 Multiple special purpose data blocks MAY be present. \r
- Each MUST be preceded by a Header ID and Data Size field. Current\r
- mappings of Header ID values supported in this field are as\r
- defined in APPENDIX C.\r
-\r
- 4.3.15 Zip64 end of central directory locator\r
-\r
- zip64 end of central dir locator \r
- signature 4 bytes (0x07064b50)\r
- number of the disk with the\r
- start of the zip64 end of \r
- central directory 4 bytes\r
- relative offset of the zip64\r
- end of central directory record 8 bytes\r
- total number of disks 4 bytes\r
- \r
- 4.3.16 End of central directory record:\r
-\r
- end of central dir signature 4 bytes (0x06054b50)\r
- number of this disk 2 bytes\r
- number of the disk with the\r
- start of the central directory 2 bytes\r
- total number of entries in the\r
- central directory on this disk 2 bytes\r
- total number of entries in\r
- the central directory 2 bytes\r
- size of the central directory 4 bytes\r
- offset of start of central\r
- directory with respect to\r
- the starting disk number 4 bytes\r
- .ZIP file comment length 2 bytes\r
- .ZIP file comment (variable size)\r
- \r
-4.4 Explanation of fields\r
---------------------------\r
- \r
- 4.4.1 General notes on fields\r
-\r
- 4.4.1.1 All fields unless otherwise noted are unsigned and stored\r
- in Intel low-byte:high-byte, low-word:high-word order.\r
-\r
- 4.4.1.2 String fields are not null terminated, since the length \r
- is given explicitly.\r
-\r
- 4.4.1.3 The entries in the central directory may not necessarily\r
- be in the same order that files appear in the .ZIP file.\r
-\r
- 4.4.1.4 If one of the fields in the end of central directory\r
- record is too small to hold required data, the field should be \r
- set to -1 (0xFFFF or 0xFFFFFFFF) and the ZIP64 format record \r
- should be created.\r
-\r
- 4.4.1.5 The end of central directory record and the Zip64 end \r
- of central directory locator record MUST reside on the same \r
- disk when splitting or spanning an archive.\r
-\r
- 4.4.2 version made by (2 bytes)\r
-\r
- 4.4.2.1 The upper byte indicates the compatibility of the file\r
- attribute information. If the external file attributes \r
- are compatible with MS-DOS and can be read by PKZIP for \r
- DOS version 2.04g then this value will be zero. If these \r
- attributes are not compatible, then this value will \r
- identify the host system on which the attributes are \r
- compatible. Software can use this information to determine\r
- the line record format for text files etc. \r
-\r
- 4.4.2.2 The current mappings are:\r
-\r
- 0 - MS-DOS and OS/2 (FAT / VFAT / FAT32 file systems)\r
- 1 - Amiga 2 - OpenVMS\r
- 3 - UNIX 4 - VM/CMS\r
- 5 - Atari ST 6 - OS/2 H.P.F.S.\r
- 7 - Macintosh 8 - Z-System\r
- 9 - CP/M 10 - Windows NTFS\r
- 11 - MVS (OS/390 - Z/OS) 12 - VSE\r
- 13 - Acorn Risc 14 - VFAT\r
- 15 - alternate MVS 16 - BeOS\r
- 17 - Tandem 18 - OS/400\r
- 19 - OS X (Darwin) 20 thru 255 - unused\r
-\r
- 4.4.2.3 The lower byte indicates the ZIP specification version \r
- (the version of this document) supported by the software \r
- used to encode the file. The value/10 indicates the major \r
- version number, and the value mod 10 is the minor version \r
- number. \r
-\r
- 4.4.3 version needed to extract (2 bytes)\r
-\r
- 4.4.3.1 The minimum supported ZIP specification version needed \r
- to extract the file, mapped as above. This value is based on \r
- the specific format features a ZIP program MUST support to \r
- be able to extract the file. If multiple features are\r
- applied to a file, the minimum version MUST be set to the \r
- feature having the highest value. New features or feature \r
- changes affecting the published format specification will be \r
- implemented using higher version numbers than the last \r
- published value to avoid conflict.\r
-\r
- 4.4.3.2 Current minimum feature versions are as defined below:\r
-\r
- 1.0 - Default value\r
- 1.1 - File is a volume label\r
- 2.0 - File is a folder (directory)\r
- 2.0 - File is compressed using Deflate compression\r
- 2.0 - File is encrypted using traditional PKWARE encryption\r
- 2.1 - File is compressed using Deflate64(tm)\r
- 2.5 - File is compressed using PKWARE DCL Implode \r
- 2.7 - File is a patch data set \r
- 4.5 - File uses ZIP64 format extensions\r
- 4.6 - File is compressed using BZIP2 compression*\r
- 5.0 - File is encrypted using DES\r
- 5.0 - File is encrypted using 3DES\r
- 5.0 - File is encrypted using original RC2 encryption\r
- 5.0 - File is encrypted using RC4 encryption\r
- 5.1 - File is encrypted using AES encryption\r
- 5.1 - File is encrypted using corrected RC2 encryption**\r
- 5.2 - File is encrypted using corrected RC2-64 encryption**\r
- 6.1 - File is encrypted using non-OAEP key wrapping***\r
- 6.2 - Central directory encryption\r
- 6.3 - File is compressed using LZMA\r
- 6.3 - File is compressed using PPMd+\r
- 6.3 - File is encrypted using Blowfish\r
- 6.3 - File is encrypted using Twofish\r
-\r
- 4.4.3.3 Notes on version needed to extract \r
-\r
- * Early 7.x (pre-7.2) versions of PKZIP incorrectly set the\r
- version needed to extract for BZIP2 compression to be 50\r
- when it should have been 46.\r
-\r
- ** Refer to the section on Strong Encryption Specification\r
- for additional information regarding RC2 corrections.\r
-\r
- *** Certificate encryption using non-OAEP key wrapping is the\r
- intended mode of operation for all versions beginning with 6.1.\r
- Support for OAEP key wrapping MUST only be used for\r
- backward compatibility when sending ZIP files to be opened by\r
- versions of PKZIP older than 6.1 (5.0 or 6.0).\r
-\r
- + Files compressed using PPMd MUST set the version\r
- needed to extract field to 6.3, however, not all ZIP \r
- programs enforce this and may be unable to decompress \r
- data files compressed using PPMd if this value is set.\r
-\r
- When using ZIP64 extensions, the corresponding value in the\r
- zip64 end of central directory record MUST also be set. \r
- This field should be set appropriately to indicate whether \r
- Version 1 or Version 2 format is in use. \r
-\r
-\r
- 4.4.4 general purpose bit flag: (2 bytes)\r
-\r
- Bit 0: If set, indicates that the file is encrypted.\r
-\r
- (For Method 6 - Imploding)\r
- Bit 1: If the compression method used was type 6,\r
- Imploding, then this bit, if set, indicates\r
- an 8K sliding dictionary was used. If clear,\r
- then a 4K sliding dictionary was used.\r
-\r
- Bit 2: If the compression method used was type 6,\r
- Imploding, then this bit, if set, indicates\r
- 3 Shannon-Fano trees were used to encode the\r
- sliding dictionary output. If clear, then 2\r
- Shannon-Fano trees were used.\r
-\r
- (For Methods 8 and 9 - Deflating)\r
- Bit 2 Bit 1\r
- 0 0 Normal (-en) compression option was used.\r
- 0 1 Maximum (-exx/-ex) compression option was used.\r
- 1 0 Fast (-ef) compression option was used.\r
- 1 1 Super Fast (-es) compression option was used.\r
-\r
- (For Method 14 - LZMA)\r
- Bit 1: If the compression method used was type 14,\r
- LZMA, then this bit, if set, indicates\r
- an end-of-stream (EOS) marker is used to\r
- mark the end of the compressed data stream.\r
- If clear, then an EOS marker is not present\r
- and the compressed data size must be known\r
- to extract.\r
-\r
- Note: Bits 1 and 2 are undefined if the compression\r
- method is any other.\r
-\r
- Bit 3: If this bit is set, the fields crc-32, compressed \r
- size and uncompressed size are set to zero in the \r
- local header. The correct values are put in the \r
- data descriptor immediately following the compressed\r
- data. (Note: PKZIP version 2.04g for DOS only \r
- recognizes this bit for method 8 compression, newer \r
- versions of PKZIP recognize this bit for any \r
- compression method.)\r
-\r
- Bit 4: Reserved for use with method 8, for enhanced\r
- deflating. \r
-\r
- Bit 5: If this bit is set, this indicates that the file is \r
- compressed patched data. (Note: Requires PKZIP \r
- version 2.70 or greater)\r
-\r
- Bit 6: Strong encryption. If this bit is set, you MUST\r
- set the version needed to extract value to at least\r
- 50 and you MUST also set bit 0. If AES encryption\r
- is used, the version needed to extract value MUST \r
- be at least 51. See the section describing the Strong\r
- Encryption Specification for details. Refer to the \r
- section in this document entitled "Incorporating PKWARE \r
- Proprietary Technology into Your Product" for more \r
- information.\r
-\r
- Bit 7: Currently unused.\r
-\r
- Bit 8: Currently unused.\r
-\r
- Bit 9: Currently unused.\r
-\r
- Bit 10: Currently unused.\r
-\r
- Bit 11: Language encoding flag (EFS). If this bit is set,\r
- the filename and comment fields for this file\r
- MUST be encoded using UTF-8. (see APPENDIX D)\r
-\r
- Bit 12: Reserved by PKWARE for enhanced compression.\r
-\r
- Bit 13: Set when encrypting the Central Directory to indicate \r
- selected data values in the Local Header are masked to\r
- hide their actual values. See the section describing \r
- the Strong Encryption Specification for details. Refer\r
- to the section in this document entitled "Incorporating \r
- PKWARE Proprietary Technology into Your Product" for \r
- more information.\r
-\r
- Bit 14: Reserved by PKWARE.\r
-\r
- Bit 15: Reserved by PKWARE.\r
-\r
- 4.4.5 compression method: (2 bytes)\r
-\r
- 0 - The file is stored (no compression)\r
- 1 - The file is Shrunk\r
- 2 - The file is Reduced with compression factor 1\r
- 3 - The file is Reduced with compression factor 2\r
- 4 - The file is Reduced with compression factor 3\r
- 5 - The file is Reduced with compression factor 4\r
- 6 - The file is Imploded\r
- 7 - Reserved for Tokenizing compression algorithm\r
- 8 - The file is Deflated\r
- 9 - Enhanced Deflating using Deflate64(tm)\r
- 10 - PKWARE Data Compression Library Imploding (old IBM TERSE)\r
- 11 - Reserved by PKWARE\r
- 12 - File is compressed using BZIP2 algorithm\r
- 13 - Reserved by PKWARE\r
- 14 - LZMA (EFS)\r
- 15 - Reserved by PKWARE\r
- 16 - Reserved by PKWARE\r
- 17 - Reserved by PKWARE\r
- 18 - File is compressed using IBM TERSE (new)\r
- 19 - IBM LZ77 z Architecture (PFS)\r
- 97 - WavPack compressed data\r
- 98 - PPMd version I, Rev 1\r
-\r
-\r
- 4.4.6 date and time fields: (2 bytes each)\r
-\r
- The date and time are encoded in standard MS-DOS format.\r
- If input came from standard input, the date and time are\r
- those at which compression was started for this data. \r
- If encrypting the central directory and general purpose bit \r
- flag 13 is set indicating masking, the value stored in the \r
- Local Header will be zero. \r
-\r
- 4.4.7 CRC-32: (4 bytes)\r
-\r
- The CRC-32 algorithm was generously contributed by\r
- David Schwaderer and can be found in his excellent\r
- book "C Programmers Guide to NetBIOS" published by\r
- Howard W. Sams & Co. Inc. The 'magic number' for\r
- the CRC is 0xdebb20e3. The proper CRC pre and post\r
- conditioning is used, meaning that the CRC register\r
- is pre-conditioned with all ones (a starting value\r
- of 0xffffffff) and the value is post-conditioned by\r
- taking the one's complement of the CRC residual.\r
- If bit 3 of the general purpose flag is set, this\r
- field is set to zero in the local header and the correct\r
- value is put in the data descriptor and in the central\r
- directory. When encrypting the central directory, if the\r
- local header is not in ZIP64 format and general purpose \r
- bit flag 13 is set indicating masking, the value stored \r
- in the Local Header will be zero. \r
-\r
- 4.4.8 compressed size: (4 bytes)\r
- 4.4.9 uncompressed size: (4 bytes)\r
-\r
- The size of the file compressed (4.4.8) and uncompressed,\r
- (4.4.9) respectively. When a decryption header is present it \r
- will be placed in front of the file data and the value of the\r
- compressed file size will include the bytes of the decryption\r
- header. If bit 3 of the general purpose bit flag is set, \r
- these fields are set to zero in the local header and the \r
- correct values are put in the data descriptor and\r
- in the central directory. If an archive is in ZIP64 format\r
- and the value in this field is 0xFFFFFFFF, the size will be\r
- in the corresponding 8 byte ZIP64 extended information \r
- extra field. When encrypting the central directory, if the\r
- local header is not in ZIP64 format and general purpose bit \r
- flag 13 is set indicating masking, the value stored for the \r
- uncompressed size in the Local Header will be zero. \r
-\r
- 4.4.10 file name length: (2 bytes)\r
- 4.4.11 extra field length: (2 bytes)\r
- 4.4.12 file comment length: (2 bytes)\r
-\r
- The length of the file name, extra field, and comment\r
- fields respectively. The combined length of any\r
- directory record and these three fields should not\r
- generally exceed 65,535 bytes. If input came from standard\r
- input, the file name length is set to zero. \r
-\r
-\r
- 4.4.13 disk number start: (2 bytes)\r
-\r
- The number of the disk on which this file begins. If an \r
- archive is in ZIP64 format and the value in this field is \r
- 0xFFFF, the size will be in the corresponding 4 byte zip64 \r
- extended information extra field.\r
-\r
- 4.4.14 internal file attributes: (2 bytes)\r
-\r
- Bits 1 and 2 are reserved for use by PKWARE.\r
-\r
- 4.4.14.1 The lowest bit of this field indicates, if set, \r
- that the file is apparently an ASCII or text file. If not\r
- set, that the file apparently contains binary data.\r
- The remaining bits are unused in version 1.0.\r
-\r
- 4.4.14.2 The 0x0002 bit of this field indicates, if set, that \r
- a 4 byte variable record length control field precedes each \r
- logical record indicating the length of the record. The \r
- record length control field is stored in little-endian byte\r
- order. This flag is independent of text control characters, \r
- and if used in conjunction with text data, includes any \r
- control characters in the total length of the record. This \r
- value is provided for mainframe data transfer support.\r
-\r
- 4.4.15 external file attributes: (4 bytes)\r
-\r
- The mapping of the external attributes is\r
- host-system dependent (see 'version made by'). For\r
- MS-DOS, the low order byte is the MS-DOS directory\r
- attribute byte. If input came from standard input, this\r
- field is set to zero.\r
-\r
- 4.4.16 relative offset of local header: (4 bytes)\r
-\r
- This is the offset from the start of the first disk on\r
- which this file appears, to where the local header should\r
- be found. If an archive is in ZIP64 format and the value\r
- in this field is 0xFFFFFFFF, the size will be in the \r
- corresponding 8 byte zip64 extended information extra field.\r
-\r
- 4.4.17 file name: (Variable)\r
-\r
- 4.4.17.1 The name of the file, with optional relative path.\r
- The path stored MUST not contain a drive or\r
- device letter, or a leading slash. All slashes\r
- MUST be forward slashes '/' as opposed to\r
- backwards slashes '\' for compatibility with Amiga\r
- and UNIX file systems etc. If input came from standard\r
- input, there is no file name field. \r
-\r
- 4.4.17.2 If using the Central Directory Encryption Feature and \r
- general purpose bit flag 13 is set indicating masking, the file \r
- name stored in the Local Header will not be the actual file name. \r
- A masking value consisting of a unique hexadecimal value will \r
- be stored. This value will be sequentially incremented for each \r
- file in the archive. See the section on the Strong Encryption \r
- Specification for details on retrieving the encrypted file name. \r
- Refer to the section in this document entitled "Incorporating PKWARE \r
- Proprietary Technology into Your Product" for more information.\r
-\r
-\r
- 4.4.18 file comment: (Variable)\r
-\r
- The comment for this file.\r
-\r
- 4.4.19 number of this disk: (2 bytes)\r
-\r
- The number of this disk, which contains central\r
- directory end record. If an archive is in ZIP64 format\r
- and the value in this field is 0xFFFF, the size will \r
- be in the corresponding 4 byte zip64 end of central \r
- directory field.\r
-\r
-\r
- 4.4.20 number of the disk with the start of the central\r
- directory: (2 bytes)\r
-\r
- The number of the disk on which the central\r
- directory starts. If an archive is in ZIP64 format\r
- and the value in this field is 0xFFFF, the size will \r
- be in the corresponding 4 byte zip64 end of central \r
- directory field.\r
-\r
- 4.4.21 total number of entries in the central dir on \r
- this disk: (2 bytes)\r
-\r
- The number of central directory entries on this disk.\r
- If an archive is in ZIP64 format and the value in \r
- this field is 0xFFFF, the size will be in the \r
- corresponding 8 byte zip64 end of central \r
- directory field.\r
-\r
- 4.4.22 total number of entries in the central dir: (2 bytes)\r
-\r
- The total number of files in the .ZIP file. If an \r
- archive is in ZIP64 format and the value in this field\r
- is 0xFFFF, the size will be in the corresponding 8 byte \r
- zip64 end of central directory field.\r
-\r
- 4.4.23 size of the central directory: (4 bytes)\r
-\r
- The size (in bytes) of the entire central directory.\r
- If an archive is in ZIP64 format and the value in \r
- this field is 0xFFFFFFFF, the size will be in the \r
- corresponding 8 byte zip64 end of central \r
- directory field.\r
-\r
- 4.4.24 offset of start of central directory with respect to\r
- the starting disk number: (4 bytes)\r
-\r
- Offset of the start of the central directory on the\r
- disk on which the central directory starts. If an \r
- archive is in ZIP64 format and the value in this \r
- field is 0xFFFFFFFF, the size will be in the \r
- corresponding 8 byte zip64 end of central \r
- directory field.\r
-\r
- 4.4.25 .ZIP file comment length: (2 bytes)\r
-\r
- The length of the comment for this .ZIP file.\r
-\r
- 4.4.26 .ZIP file comment: (Variable)\r
-\r
- The comment for this .ZIP file. ZIP file comment data\r
- is stored unsecured. No encryption or data authentication\r
- is applied to this area at this time. Confidential information\r
- should not be stored in this section.\r
-\r
- 4.4.27 zip64 extensible data sector (variable size)\r
-\r
- (currently reserved for use by PKWARE)\r
-\r
-\r
- 4.4.28 extra field: (Variable)\r
-\r
- This SHOULD be used for storage expansion. If additional \r
- information needs to be stored within a ZIP file for special \r
- application or platform needs, it SHOULD be stored here. \r
- Programs supporting earlier versions of this specification can \r
- then safely skip the file, and find the next file or header. \r
- This field will be 0 length in version 1.0. \r
-\r
- Existing extra fields are defined in the section\r
- Extensible data fields that follows.\r
-\r
-4.5 Extensible data fields\r
---------------------------\r
-\r
- 4.5.1 In order to allow different programs and different types\r
- of information to be stored in the 'extra' field in .ZIP\r
- files, the following structure MUST be used for all\r
- programs storing data in this field:\r
-\r
- header1+data1 + header2+data2 . . .\r
-\r
- Each header should consist of:\r
-\r
- Header ID - 2 bytes\r
- Data Size - 2 bytes\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- The Header ID field indicates the type of data that is in\r
- the following data block.\r
-\r
- Header IDs of 0 thru 31 are reserved for use by PKWARE.\r
- The remaining IDs can be used by third party vendors for\r
- proprietary usage.\r
-\r
- 4.5.2 The current Header ID mappings defined by PKWARE are:\r
-\r
- 0x0001 Zip64 extended information extra field\r
- 0x0007 AV Info\r
- 0x0008 Reserved for extended language encoding data (PFS)\r
- (see APPENDIX D)\r
- 0x0009 OS/2\r
- 0x000a NTFS \r
- 0x000c OpenVMS\r
- 0x000d UNIX\r
- 0x000e Reserved for file stream and fork descriptors\r
- 0x000f Patch Descriptor\r
- 0x0014 PKCS#7 Store for X.509 Certificates\r
- 0x0015 X.509 Certificate ID and Signature for \r
- individual file\r
- 0x0016 X.509 Certificate ID for Central Directory\r
- 0x0017 Strong Encryption Header\r
- 0x0018 Record Management Controls\r
- 0x0019 PKCS#7 Encryption Recipient Certificate List\r
- 0x0065 IBM S/390 (Z390), AS/400 (I400) attributes \r
- - uncompressed\r
- 0x0066 Reserved for IBM S/390 (Z390), AS/400 (I400) \r
- attributes - compressed\r
- 0x4690 POSZIP 4690 (reserved) \r
-\r
-\r
- 4.5.3 -Zip64 Extended Information Extra Field (0x0001):\r
-\r
- The following is the layout of the zip64 extended \r
- information "extra" block. If one of the size or\r
- offset fields in the Local or Central directory\r
- record is too small to hold the required data,\r
- a Zip64 extended information record is created.\r
- The order of the fields in the zip64 extended \r
- information record is fixed, but the fields MUST\r
- only appear if the corresponding Local or Central\r
- directory record field is set to 0xFFFF or 0xFFFFFFFF.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(ZIP64) 0x0001 2 bytes Tag for this "extra" block type\r
- Size 2 bytes Size of this "extra" block\r
- Original \r
- Size 8 bytes Original uncompressed file size\r
- Compressed\r
- Size 8 bytes Size of compressed data\r
- Relative Header\r
- Offset 8 bytes Offset of local header record\r
- Disk Start\r
- Number 4 bytes Number of the disk on which\r
- this file starts \r
-\r
- This entry in the Local header MUST include BOTH original\r
- and compressed file size fields. If encrypting the \r
- central directory and bit 13 of the general purpose bit\r
- flag is set indicating masking, the value stored in the\r
- Local Header for the original file size will be zero.\r
-\r
-\r
- 4.5.4 -OS/2 Extra Field (0x0009):\r
-\r
- The following is the layout of the OS/2 attributes "extra" \r
- block. (Last Revision 09/05/95)\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(OS/2) 0x0009 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size for the following data block\r
- BSize 4 bytes Uncompressed Block Size\r
- CType 2 bytes Compression type\r
- EACRC 4 bytes CRC value for uncompress block\r
- (var) variable Compressed block\r
-\r
- The OS/2 extended attribute structure (FEA2LIST) is \r
- compressed and then stored in its entirety within this \r
- structure. There will only ever be one "block" of data in \r
- VarFields[].\r
-\r
- 4.5.5 -NTFS Extra Field (0x000a):\r
-\r
- The following is the layout of the NTFS attributes \r
- "extra" block. (Note: At this time the Mtime, Atime\r
- and Ctime values MAY be used on any WIN32 system.) \r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(NTFS) 0x000a 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of the total "extra" block\r
- Reserved 4 bytes Reserved for future use\r
- Tag1 2 bytes NTFS attribute tag value #1\r
- Size1 2 bytes Size of attribute #1, in bytes\r
- (var) Size1 Attribute #1 data\r
- .\r
- .\r
- .\r
- TagN 2 bytes NTFS attribute tag value #N\r
- SizeN 2 bytes Size of attribute #N, in bytes\r
- (var) SizeN Attribute #N data\r
-\r
- For NTFS, values for Tag1 through TagN are as follows:\r
- (currently only one set of attributes is defined for NTFS)\r
-\r
- Tag Size Description\r
- ----- ---- -----------\r
- 0x0001 2 bytes Tag for attribute #1 \r
- Size1 2 bytes Size of attribute #1, in bytes\r
- Mtime 8 bytes File last modification time\r
- Atime 8 bytes File last access time\r
- Ctime 8 bytes File creation time\r
-\r
- 4.5.6 -OpenVMS Extra Field (0x000c):\r
-\r
- The following is the layout of the OpenVMS attributes \r
- "extra" block.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (VMS) 0x000c 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of the total "extra" block\r
- CRC 4 bytes 32-bit CRC for remainder of the block\r
- Tag1 2 bytes OpenVMS attribute tag value #1\r
- Size1 2 bytes Size of attribute #1, in bytes\r
- (var) Size1 Attribute #1 data\r
- .\r
- .\r
- .\r
- TagN 2 bytes OpenVMS attribute tag value #N\r
- SizeN 2 bytes Size of attribute #N, in bytes\r
- (var) SizeN Attribute #N data\r
-\r
- OpenVMS Extra Field Rules:\r
-\r
- 4.5.6.1. There will be one or more attributes present, which \r
- will each be preceded by the above TagX & SizeX values. \r
- These values are identical to the ATR$C_XXXX and ATR$S_XXXX \r
- constants which are defined in ATR.H under OpenVMS C. Neither \r
- of these values will ever be zero.\r
-\r
- 4.5.6.2. No word alignment or padding is performed.\r
-\r
- 4.5.6.3. A well-behaved PKZIP/OpenVMS program should never produce\r
- more than one sub-block with the same TagX value. Also, there will \r
- never be more than one "extra" block of type 0x000c in a particular \r
- directory record.\r
-\r
- 4.5.7 -UNIX Extra Field (0x000d):\r
-\r
- The following is the layout of the UNIX "extra" block.\r
- Note: all fields are stored in Intel low-byte/high-byte \r
- order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(UNIX) 0x000d 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size for the following data block\r
- Atime 4 bytes File last access time\r
- Mtime 4 bytes File last modification time\r
- Uid 2 bytes File user ID\r
- Gid 2 bytes File group ID\r
- (var) variable Variable length data field\r
-\r
- The variable length data field will contain file type \r
- specific data. Currently the only values allowed are\r
- the original "linked to" file names for hard or symbolic \r
- links, and the major and minor device node numbers for\r
- character and block device nodes. Since device nodes\r
- cannot be either symbolic or hard links, only one set of\r
- variable length data is stored. Link files will have the\r
- name of the original file stored. This name is NOT NULL\r
- terminated. Its size can be determined by checking TSize -\r
- 12. Device entries will have eight bytes stored as two 4\r
- byte entries (in little endian format). The first entry\r
- will be the major device number, and the second the minor\r
- device number.\r
- \r
- 4.5.8 -PATCH Descriptor Extra Field (0x000f):\r
-\r
- 4.5.8.1 The following is the layout of the Patch Descriptor \r
- "extra" block.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(Patch) 0x000f 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of the total "extra" block\r
- Version 2 bytes Version of the descriptor\r
- Flags 4 bytes Actions and reactions (see below) \r
- OldSize 4 bytes Size of the file about to be patched \r
- OldCRC 4 bytes 32-bit CRC of the file to be patched \r
- NewSize 4 bytes Size of the resulting file \r
- NewCRC 4 bytes 32-bit CRC of the resulting file \r
-\r
- 4.5.8.2 Actions and reactions\r
-\r
- Bits Description\r
- ---- ----------------\r
- 0 Use for auto detection\r
- 1 Treat as a self-patch\r
- 2-3 RESERVED\r
- 4-5 Action (see below)\r
- 6-7 RESERVED\r
- 8-9 Reaction (see below) to absent file \r
- 10-11 Reaction (see below) to newer file\r
- 12-13 Reaction (see below) to unknown file\r
- 14-15 RESERVED\r
- 16-31 RESERVED\r
-\r
- 4.5.8.2.1 Actions\r
-\r
- Action Value\r
- ------ ----- \r
- none 0\r
- add 1\r
- delete 2\r
- patch 3\r
-\r
- 4.5.8.2.2 Reactions\r
- \r
- Reaction Value\r
- -------- -----\r
- ask 0\r
- skip 1\r
- ignore 2\r
- fail 3\r
-\r
- 4.5.8.3 Patch support is provided by PKPatchMaker(tm) technology \r
- and is covered under U.S. Patents and Patents Pending. The use or \r
- implementation in a product of certain technological aspects set\r
- forth in the current APPNOTE, including those with regard to \r
- strong encryption or patching requires a license from PKWARE. \r
- Refer to the section in this document entitled "Incorporating \r
- PKWARE Proprietary Technology into Your Product" for more \r
- information. \r
-\r
- 4.5.9 -PKCS#7 Store for X.509 Certificates (0x0014):\r
-\r
- This field MUST contain information about each of the certificates \r
- files may be signed with. When the Central Directory Encryption \r
- feature is enabled for a ZIP file, this record will appear in \r
- the Archive Extra Data Record, otherwise it will appear in the \r
- first central directory record and will be ignored in any \r
- other record. \r
-\r
- \r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(Store) 0x0014 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of the store data\r
- TData TSize Data about the store\r
-\r
-\r
- 4.5.10 -X.509 Certificate ID and Signature for individual file (0x0015):\r
-\r
- This field contains the information about which certificate in \r
- the PKCS#7 store was used to sign a particular file. It also \r
- contains the signature data. This field can appear multiple \r
- times, but can only appear once per certificate.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(CID) 0x0015 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of data that follows\r
- TData TSize Signature Data\r
-\r
- 4.5.11 -X.509 Certificate ID and Signature for central directory (0x0016):\r
-\r
- This field contains the information about which certificate in \r
- the PKCS#7 store was used to sign the central directory structure.\r
- When the Central Directory Encryption feature is enabled for a \r
- ZIP file, this record will appear in the Archive Extra Data Record, \r
- otherwise it will appear in the first central directory record.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(CDID) 0x0016 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of data that follows\r
- TData TSize Data\r
-\r
- 4.5.12 -Strong Encryption Header (0x0017):\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- 0x0017 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of data that follows\r
- Format 2 bytes Format definition for this record\r
- AlgID 2 bytes Encryption algorithm identifier\r
- Bitlen 2 bytes Bit length of encryption key\r
- Flags 2 bytes Processing flags\r
- CertData TSize-8 Certificate decryption extra field data\r
- (refer to the explanation for CertData\r
- in the section describing the \r
- Certificate Processing Method under \r
- the Strong Encryption Specification)\r
-\r
- See the section describing the Strong Encryption Specification \r
- for details. Refer to the section in this document entitled \r
- "Incorporating PKWARE Proprietary Technology into Your Product" \r
- for more information.\r
-\r
- 4.5.13 -Record Management Controls (0x0018):\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(Rec-CTL) 0x0018 2 bytes Tag for this "extra" block type\r
- CSize 2 bytes Size of total extra block data\r
- Tag1 2 bytes Record control attribute 1\r
- Size1 2 bytes Size of attribute 1, in bytes\r
- Data1 Size1 Attribute 1 data\r
- .\r
- .\r
- .\r
- TagN 2 bytes Record control attribute N\r
- SizeN 2 bytes Size of attribute N, in bytes\r
- DataN SizeN Attribute N data\r
-\r
-\r
- 4.5.14 -PKCS#7 Encryption Recipient Certificate List (0x0019): \r
-\r
- This field MAY contain information about each of the certificates\r
- used in encryption processing and it can be used to identify who is\r
- allowed to decrypt encrypted files. This field should only appear \r
- in the archive extra data record. This field is not required and \r
- serves only to aid archive modifications by preserving public \r
- encryption key data. Individual security requirements may dictate \r
- that this data be omitted to deter information exposure.\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(CStore) 0x0019 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size of the store data\r
- TData TSize Data about the store\r
-\r
- TData:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- Version 2 bytes Format version number - must 0x0001 at this time\r
- CStore (var) PKCS#7 data blob\r
-\r
- See the section describing the Strong Encryption Specification \r
- for details. Refer to the section in this document entitled \r
- "Incorporating PKWARE Proprietary Technology into Your Product" \r
- for more information.\r
-\r
- 4.5.15 -MVS Extra Field (0x0065):\r
-\r
- The following is the layout of the MVS "extra" block.\r
- Note: Some fields are stored in Big Endian format.\r
- All text is in EBCDIC format unless otherwise specified.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(MVS) 0x0065 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size for the following data block\r
- ID 4 bytes EBCDIC "Z390" 0xE9F3F9F0 or\r
- "T4MV" for TargetFour\r
- (var) TSize-4 Attribute data (see APPENDIX B)\r
-\r
-\r
- 4.5.16 -OS/400 Extra Field (0x0065):\r
-\r
- The following is the layout of the OS/400 "extra" block.\r
- Note: Some fields are stored in Big Endian format.\r
- All text is in EBCDIC format unless otherwise specified.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
-(OS400) 0x0065 2 bytes Tag for this "extra" block type\r
- TSize 2 bytes Size for the following data block\r
- ID 4 bytes EBCDIC "I400" 0xC9F4F0F0 or\r
- "T4MV" for TargetFour\r
- (var) TSize-4 Attribute data (see APPENDIX A)\r
-\r
-4.6 Third Party Mappings\r
-------------------------\r
- \r
- 4.6.1 Third party mappings commonly used are:\r
-\r
- 0x07c8 Macintosh\r
- 0x2605 ZipIt Macintosh\r
- 0x2705 ZipIt Macintosh 1.3.5+\r
- 0x2805 ZipIt Macintosh 1.3.5+\r
- 0x334d Info-ZIP Macintosh\r
- 0x4341 Acorn/SparkFS \r
- 0x4453 Windows NT security descriptor (binary ACL)\r
- 0x4704 VM/CMS\r
- 0x470f MVS\r
- 0x4b46 FWKCS MD5 (see below)\r
- 0x4c41 OS/2 access control list (text ACL)\r
- 0x4d49 Info-ZIP OpenVMS\r
- 0x4f4c Xceed original location extra field\r
- 0x5356 AOS/VS (ACL)\r
- 0x5455 extended timestamp\r
- 0x554e Xceed unicode extra field\r
- 0x5855 Info-ZIP UNIX (original, also OS/2, NT, etc)\r
- 0x6375 Info-ZIP Unicode Comment Extra Field\r
- 0x6542 BeOS/BeBox\r
- 0x7075 Info-ZIP Unicode Path Extra Field\r
- 0x756e ASi UNIX\r
- 0x7855 Info-ZIP UNIX (new)\r
- 0xa220 Microsoft Open Packaging Growth Hint\r
- 0xfd4a SMS/QDOS\r
-\r
- Detailed descriptions of Extra Fields defined by third \r
- party mappings will be documented as information on\r
- these data structures is made available to PKWARE. \r
- PKWARE does not guarantee the accuracy of any published\r
- third party data.\r
-\r
- 4.6.2 Third-party Extra Fields must include a Header ID using\r
- the format defined in the section of this document \r
- titled Extensible Data Fields (section 4.5).\r
-\r
- The Data Size field indicates the size of the following\r
- data block. Programs can use this value to skip to the\r
- next header block, passing over any data blocks that are\r
- not of interest.\r
-\r
- Note: As stated above, the size of the entire .ZIP file\r
- header, including the file name, comment, and extra\r
- field should not exceed 64K in size.\r
-\r
- 4.6.3 In case two different programs should appropriate the same\r
- Header ID value, it is strongly recommended that each\r
- program SHOULD place a unique signature of at least two bytes in\r
- size (and preferably 4 bytes or bigger) at the start of\r
- each data area. Every program SHOULD verify that its\r
- unique signature is present, in addition to the Header ID\r
- value being correct, before assuming that it is a block of\r
- known type.\r
- \r
- Third-party Mappings:\r
- \r
- 4.6.4 -ZipIt Macintosh Extra Field (long) (0x2605):\r
-\r
- The following is the layout of the ZipIt extra block \r
- for Macintosh. The local-header and central-header versions \r
- are identical. This block must be present if the file is \r
- stored MacBinary-encoded and it should not be used if the file \r
- is not stored MacBinary-encoded.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac2) 0x2605 Short tag for this extra block type\r
- TSize Short total data size for this block\r
- "ZPIT" beLong extra-field signature\r
- FnLen Byte length of FileName\r
- FileName variable full Macintosh filename\r
- FileType Byte[4] four-byte Mac file type string\r
- Creator Byte[4] four-byte Mac creator string\r
-\r
-\r
- 4.6.5 -ZipIt Macintosh Extra Field (short, for files) (0x2705):\r
-\r
- The following is the layout of a shortened variant of the\r
- ZipIt extra block for Macintosh (without "full name" entry).\r
- This variant is used by ZipIt 1.3.5 and newer for entries of\r
- files (not directories) that do not have a MacBinary encoded\r
- file. The local-header and central-header versions are identical.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac2b) 0x2705 Short tag for this extra block type\r
- TSize Short total data size for this block (12)\r
- "ZPIT" beLong extra-field signature\r
- FileType Byte[4] four-byte Mac file type string\r
- Creator Byte[4] four-byte Mac creator string\r
- fdFlags beShort attributes from FInfo.frFlags,\r
- may be omitted\r
- 0x0000 beShort reserved, may be omitted\r
-\r
-\r
- 4.6.6 -ZipIt Macintosh Extra Field (short, for directories) (0x2805):\r
-\r
- The following is the layout of a shortened variant of the\r
- ZipIt extra block for Macintosh used only for directory\r
- entries. This variant is used by ZipIt 1.3.5 and newer to \r
- save some optional Mac-specific information about directories.\r
- The local-header and central-header versions are identical.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Mac2c) 0x2805 Short tag for this extra block type\r
- TSize Short total data size for this block (12)\r
- "ZPIT" beLong extra-field signature\r
- frFlags beShort attributes from DInfo.frFlags, may\r
- be omitted\r
- View beShort ZipIt view flag, may be omitted\r
-\r
-\r
- The View field specifies ZipIt-internal settings as follows:\r
-\r
- Bits of the Flags:\r
- bit 0 if set, the folder is shown expanded (open)\r
- when the archive contents are viewed in ZipIt.\r
- bits 1-15 reserved, zero;\r
-\r
-\r
- 4.6.7 -FWKCS MD5 Extra Field (0x4b46):\r
-\r
- The FWKCS Contents_Signature System, used in\r
- automatically identifying files independent of file name,\r
- optionally adds and uses an extra field to support the\r
- rapid creation of an enhanced contents_signature:\r
-\r
- Header ID = 0x4b46\r
- Data Size = 0x0013\r
- Preface = 'M','D','5'\r
- followed by 16 bytes containing the uncompressed file's\r
- 128_bit MD5 hash(1), low byte first.\r
-\r
- When FWKCS revises a .ZIP file central directory to add\r
- this extra field for a file, it also replaces the\r
- central directory entry for that file's uncompressed\r
- file length with a measured value.\r
-\r
- FWKCS provides an option to strip this extra field, if\r
- present, from a .ZIP file central directory. In adding\r
- this extra field, FWKCS preserves .ZIP file Authenticity\r
- Verification; if stripping this extra field, FWKCS\r
- preserves all versions of AV through PKZIP version 2.04g.\r
-\r
- FWKCS, and FWKCS Contents_Signature System, are\r
- trademarks of Frederick W. Kantor.\r
-\r
- (1) R. Rivest, RFC1321.TXT, MIT Laboratory for Computer\r
- Science and RSA Data Security, Inc., April 1992.\r
- ll.76-77: "The MD5 algorithm is being placed in the\r
- public domain for review and possible adoption as a\r
- standard."\r
-\r
-\r
- 4.6.8 -Info-ZIP Unicode Comment Extra Field (0x6375):\r
-\r
- Stores the UTF-8 version of the file comment as stored in the\r
- central directory header. (Last Revision 20070912)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (UCom) 0x6375 Short tag for this extra block type ("uc")\r
- TSize Short total data size for this block\r
- Version 1 byte version of this extra field, currently 1\r
- ComCRC32 4 bytes Comment Field CRC32 Checksum\r
- UnicodeCom Variable UTF-8 version of the entry comment\r
-\r
- Currently Version is set to the number 1. If there is a need\r
- to change this field, the version will be incremented. Changes\r
- may not be backward compatible so this extra field should not be\r
- used if the version is not recognized.\r
-\r
- The ComCRC32 is the standard zip CRC32 checksum of the File Comment\r
- field in the central directory header. This is used to verify that\r
- the comment field has not changed since the Unicode Comment extra field\r
- was created. This can happen if a utility changes the File Comment \r
- field but does not update the UTF-8 Comment extra field. If the CRC \r
- check fails, this Unicode Comment extra field should be ignored and \r
- the File Comment field in the header should be used instead.\r
-\r
- The UnicodeCom field is the UTF-8 version of the File Comment field\r
- in the header. As UnicodeCom is defined to be UTF-8, no UTF-8 byte\r
- order mark (BOM) is used. The length of this field is determined by\r
- subtracting the size of the previous fields from TSize. If both the\r
- File Name and Comment fields are UTF-8, the new General Purpose Bit\r
- Flag, bit 11 (Language encoding flag (EFS)), can be used to indicate\r
- both the header File Name and Comment fields are UTF-8 and, in this\r
- case, the Unicode Path and Unicode Comment extra fields are not\r
- needed and should not be created. Note that, for backward\r
- compatibility, bit 11 should only be used if the native character set\r
- of the paths and comments being zipped up are already in UTF-8. It is\r
- expected that the same file comment storage method, either general\r
- purpose bit 11 or extra fields, be used in both the Local and Central\r
- Directory Header for a file.\r
-\r
-\r
- 4.6.9 -Info-ZIP Unicode Path Extra Field (0x7075):\r
-\r
- Stores the UTF-8 version of the file name field as stored in the\r
- local header and central directory header. (Last Revision 20070912)\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (UPath) 0x7075 Short tag for this extra block type ("up")\r
- TSize Short total data size for this block\r
- Version 1 byte version of this extra field, currently 1\r
- NameCRC32 4 bytes File Name Field CRC32 Checksum\r
- UnicodeName Variable UTF-8 version of the entry File Name\r
-\r
- Currently Version is set to the number 1. If there is a need\r
- to change this field, the version will be incremented. Changes\r
- may not be backward compatible so this extra field should not be\r
- used if the version is not recognized.\r
-\r
- The NameCRC32 is the standard zip CRC32 checksum of the File Name\r
- field in the header. This is used to verify that the header\r
- File Name field has not changed since the Unicode Path extra field\r
- was created. This can happen if a utility renames the File Name but\r
- does not update the UTF-8 path extra field. If the CRC check fails,\r
- this UTF-8 Path Extra Field should be ignored and the File Name field\r
- in the header should be used instead.\r
-\r
- The UnicodeName is the UTF-8 version of the contents of the File Name\r
- field in the header. As UnicodeName is defined to be UTF-8, no UTF-8\r
- byte order mark (BOM) is used. The length of this field is determined\r
- by subtracting the size of the previous fields from TSize. If both\r
- the File Name and Comment fields are UTF-8, the new General Purpose\r
- Bit Flag, bit 11 (Language encoding flag (EFS)), can be used to\r
- indicate that both the header File Name and Comment fields are UTF-8\r
- and, in this case, the Unicode Path and Unicode Comment extra fields\r
- are not needed and should not be created. Note that, for backward\r
- compatibility, bit 11 should only be used if the native character set\r
- of the paths and comments being zipped up are already in UTF-8. It is\r
- expected that the same file name storage method, either general\r
- purpose bit 11 or extra fields, be used in both the Local and Central\r
- Directory Header for a file.\r
- \r
-\r
- 4.6.10 -Microsoft Open Packaging Growth Hint (0xa220):\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- 0xa220 Short tag for this extra block type\r
- TSize Short size of Sig + PadVal + Padding\r
- Sig Short verification signature (A028)\r
- PadVal Short Initial padding value\r
- Padding variable filled with NULL characters\r
-\r
-4.7 Manifest Files\r
-------------------\r
-\r
- 4.7.1 Applications using ZIP files may have a need for additional \r
- information that must be included with the files placed into\r
- a ZIP file. Application specific information that cannot be\r
- stored using the defined ZIP storage records SHOULD be stored \r
- using the extensible Extra Field convention defined in this \r
- document. However, some applications may use a manifest\r
- file as a means for storing additional information. One\r
- example is the META-INF/MANIFEST.MF file used in ZIP formatted\r
- files having the .JAR extension (JAR files). \r
-\r
- 4.7.2 A manifest file is a file created for the application process\r
- that requires this information. A manifest file MAY be of any \r
- file type required by the defining application process. It is \r
- placed within the same ZIP file as files to which this information \r
- applies. By convention, this file is typically the first file placed\r
- into the ZIP file and it may include a defined directory path.\r
-\r
- 4.7.3 Manifest files may be compressed or encrypted as needed for\r
- application processing of the files inside the ZIP files.\r
-\r
- Manifest files are outside of the scope of this specification.\r
-\r
-\r
-5.0 Explanation of compression methods\r
---------------------------------------\r
-\r
-\r
-5.1 UnShrinking - Method 1\r
---------------------------\r
-\r
- 5.1.1 Shrinking is a Dynamic Ziv-Lempel-Welch compression algorithm\r
- with partial clearing. The initial code size is 9 bits, and the \r
- maximum code size is 13 bits. Shrinking differs from conventional \r
- Dynamic Ziv-Lempel-Welch implementations in several respects:\r
-\r
- 5.1.2 The code size is controlled by the compressor, and is \r
- not automatically increased when codes larger than the current\r
- code size are created (but not necessarily used). When\r
- the decompressor encounters the code sequence 256\r
- (decimal) followed by 1, it should increase the code size\r
- read from the input stream to the next bit size. No\r
- blocking of the codes is performed, so the next code at\r
- the increased size should be read from the input stream\r
- immediately after where the previous code at the smaller\r
- bit size was read. Again, the decompressor should not\r
- increase the code size used until the sequence 256,1 is\r
- encountered.\r
-\r
- 5.1.3 When the table becomes full, total clearing is not\r
- performed. Rather, when the compressor emits the code\r
- sequence 256,2 (decimal), the decompressor should clear\r
- all leaf nodes from the Ziv-Lempel tree, and continue to\r
- use the current code size. The nodes that are cleared\r
- from the Ziv-Lempel tree are then re-used, with the lowest\r
- code value re-used first, and the highest code value\r
- re-used last. The compressor can emit the sequence 256,2\r
- at any time.\r
-\r
-5.2 Expanding - Methods 2-5\r
----------------------------\r
-\r
- 5.2.1 The Reducing algorithm is actually a combination of two\r
- distinct algorithms. The first algorithm compresses repeated\r
- byte sequences, and the second algorithm takes the compressed\r
- stream from the first algorithm and applies a probabilistic\r
- compression method.\r
-\r
- 5.2.2 The probabilistic compression stores an array of 'follower\r
- sets' S(j), for j=0 to 255, corresponding to each possible\r
- ASCII character. Each set contains between 0 and 32\r
- characters, to be denoted as S(j)[0],...,S(j)[m], where m<32.\r
- The sets are stored at the beginning of the data area for a\r
- Reduced file, in reverse order, with S(255) first, and S(0)\r
- last.\r
-\r
- 5.2.3 The sets are encoded as { N(j), S(j)[0],...,S(j)[N(j)-1] },\r
- where N(j) is the size of set S(j). N(j) can be 0, in which\r
- case the follower set for S(j) is empty. Each N(j) value is\r
- encoded in 6 bits, followed by N(j) eight bit character values\r
- corresponding to S(j)[0] to S(j)[N(j)-1] respectively. If\r
- N(j) is 0, then no values for S(j) are stored, and the value\r
- for N(j-1) immediately follows.\r
-\r
- 5.2.4 Immediately after the follower sets, is the compressed data\r
- stream. The compressed data stream can be interpreted for the\r
- probabilistic decompression as follows:\r
-\r
- let Last-Character <- 0.\r
- loop until done\r
- if the follower set S(Last-Character) is empty then\r
- read 8 bits from the input stream, and copy this\r
- value to the output stream.\r
- otherwise if the follower set S(Last-Character) is non-empty then\r
- read 1 bit from the input stream.\r
- if this bit is not zero then\r
- read 8 bits from the input stream, and copy this\r
- value to the output stream.\r
- otherwise if this bit is zero then\r
- read B(N(Last-Character)) bits from the input\r
- stream, and assign this value to I.\r
- Copy the value of S(Last-Character)[I] to the\r
- output stream.\r
-\r
- assign the last value placed on the output stream to\r
- Last-Character.\r
- end loop\r
-\r
- B(N(j)) is defined as the minimal number of bits required to\r
- encode the value N(j)-1.\r
-\r
- 5.2.5 The decompressed stream from above can then be expanded to\r
- re-create the original file as follows:\r
-\r
- let State <- 0.\r
-\r
- loop until done\r
- read 8 bits from the input stream into C.\r
- case State of\r
- 0: if C is not equal to DLE (144 decimal) then\r
- copy C to the output stream.\r
- otherwise if C is equal to DLE then\r
- let State <- 1.\r
-\r
- 1: if C is non-zero then\r
- let V <- C.\r
- let Len <- L(V)\r
- let State <- F(Len).\r
- otherwise if C is zero then\r
- copy the value 144 (decimal) to the output stream.\r
- let State <- 0\r
-\r
- 2: let Len <- Len + C\r
- let State <- 3.\r
-\r
- 3: move backwards D(V,C) bytes in the output stream\r
- (if this position is before the start of the output\r
- stream, then assume that all the data before the\r
- start of the output stream is filled with zeros).\r
- copy Len+3 bytes from this position to the output stream.\r
- let State <- 0.\r
- end case\r
- end loop\r
-\r
- The functions F,L, and D are dependent on the 'compression\r
- factor', 1 through 4, and are defined as follows:\r
-\r
- For compression factor 1:\r
- L(X) equals the lower 7 bits of X.\r
- F(X) equals 2 if X equals 127 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 1 bit of X) * 256 + Y + 1.\r
- For compression factor 2:\r
- L(X) equals the lower 6 bits of X.\r
- F(X) equals 2 if X equals 63 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 2 bits of X) * 256 + Y + 1.\r
- For compression factor 3:\r
- L(X) equals the lower 5 bits of X.\r
- F(X) equals 2 if X equals 31 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 3 bits of X) * 256 + Y + 1.\r
- For compression factor 4:\r
- L(X) equals the lower 4 bits of X.\r
- F(X) equals 2 if X equals 15 otherwise F(X) equals 3.\r
- D(X,Y) equals the (upper 4 bits of X) * 256 + Y + 1.\r
-\r
-5.3 Imploding - Method 6\r
-------------------------\r
-\r
- 5.3.1 The Imploding algorithm is actually a combination of two \r
- distinct algorithms. The first algorithm compresses repeated byte\r
- sequences using a sliding dictionary. The second algorithm is\r
- used to compress the encoding of the sliding dictionary output,\r
- using multiple Shannon-Fano trees.\r
-\r
- 5.3.2 The Imploding algorithm can use a 4K or 8K sliding dictionary\r
- size. The dictionary size used can be determined by bit 1 in the\r
- general purpose flag word; a 0 bit indicates a 4K dictionary\r
- while a 1 bit indicates an 8K dictionary.\r
-\r
- 5.3.3 The Shannon-Fano trees are stored at the start of the \r
- compressed file. The number of trees stored is defined by bit 2 in \r
- the general purpose flag word; a 0 bit indicates two trees stored, \r
- a 1 bit indicates three trees are stored. If 3 trees are stored,\r
- the first Shannon-Fano tree represents the encoding of the\r
- Literal characters, the second tree represents the encoding of\r
- the Length information, the third represents the encoding of the\r
- Distance information. When 2 Shannon-Fano trees are stored, the\r
- Length tree is stored first, followed by the Distance tree.\r
-\r
- 5.3.4 The Literal Shannon-Fano tree, if present is used to represent\r
- the entire ASCII character set, and contains 256 values. This\r
- tree is used to compress any data not compressed by the sliding\r
- dictionary algorithm. When this tree is present, the Minimum\r
- Match Length for the sliding dictionary is 3. If this tree is\r
- not present, the Minimum Match Length is 2.\r
-\r
- 5.3.5 The Length Shannon-Fano tree is used to compress the Length \r
- part of the (length,distance) pairs from the sliding dictionary\r
- output. The Length tree contains 64 values, ranging from the\r
- Minimum Match Length, to 63 plus the Minimum Match Length.\r
-\r
- 5.3.6 The Distance Shannon-Fano tree is used to compress the Distance\r
- part of the (length,distance) pairs from the sliding dictionary\r
- output. The Distance tree contains 64 values, ranging from 0 to\r
- 63, representing the upper 6 bits of the distance value. The\r
- distance values themselves will be between 0 and the sliding\r
- dictionary size, either 4K or 8K.\r
-\r
- 5.3.7 The Shannon-Fano trees themselves are stored in a compressed\r
- format. The first byte of the tree data represents the number of\r
- bytes of data representing the (compressed) Shannon-Fano tree\r
- minus 1. The remaining bytes represent the Shannon-Fano tree\r
- data encoded as:\r
-\r
- High 4 bits: Number of values at this bit length + 1. (1 - 16)\r
- Low 4 bits: Bit Length needed to represent value + 1. (1 - 16)\r
-\r
- 5.3.8 The Shannon-Fano codes can be constructed from the bit lengths\r
- using the following algorithm:\r
-\r
- 1) Sort the Bit Lengths in ascending order, while retaining the\r
- order of the original lengths stored in the file.\r
-\r
- 2) Generate the Shannon-Fano trees:\r
-\r
- Code <- 0\r
- CodeIncrement <- 0\r
- LastBitLength <- 0\r
- i <- number of Shannon-Fano codes - 1 (either 255 or 63)\r
-\r
- loop while i >= 0\r
- Code = Code + CodeIncrement\r
- if BitLength(i) <> LastBitLength then\r
- LastBitLength=BitLength(i)\r
- CodeIncrement = 1 shifted left (16 - LastBitLength)\r
- ShannonCode(i) = Code\r
- i <- i - 1\r
- end loop\r
-\r
- 3) Reverse the order of all the bits in the above ShannonCode()\r
- vector, so that the most significant bit becomes the least\r
- significant bit. For example, the value 0x1234 (hex) would\r
- become 0x2C48 (hex).\r
-\r
- 4) Restore the order of Shannon-Fano codes as originally stored\r
- within the file.\r
-\r
- Example:\r
-\r
- This example will show the encoding of a Shannon-Fano tree\r
- of size 8. Notice that the actual Shannon-Fano trees used\r
- for Imploding are either 64 or 256 entries in size.\r
-\r
- Example: 0x02, 0x42, 0x01, 0x13\r
-\r
- The first byte indicates 3 values in this table. Decoding the\r
- bytes:\r
- 0x42 = 5 codes of 3 bits long\r
- 0x01 = 1 code of 2 bits long\r
- 0x13 = 2 codes of 4 bits long\r
-\r
- This would generate the original bit length array of:\r
- (3, 3, 3, 3, 3, 2, 4, 4)\r
-\r
- There are 8 codes in this table for the values 0 thru 7. Using \r
- the algorithm to obtain the Shannon-Fano codes produces:\r
-\r
- Reversed Order Original\r
- Val Sorted Constructed Code Value Restored Length\r
- --- ------ ----------------- -------- -------- ------\r
- 0: 2 1100000000000000 11 101 3\r
- 1: 3 1010000000000000 101 001 3\r
- 2: 3 1000000000000000 001 110 3\r
- 3: 3 0110000000000000 110 010 3\r
- 4: 3 0100000000000000 010 100 3\r
- 5: 3 0010000000000000 100 11 2\r
- 6: 4 0001000000000000 1000 1000 4\r
- 7: 4 0000000000000000 0000 0000 4\r
-\r
- The values in the Val, Order Restored and Original Length columns\r
- now represent the Shannon-Fano encoding tree that can be used for\r
- decoding the Shannon-Fano encoded data. How to parse the\r
- variable length Shannon-Fano values from the data stream is beyond\r
- the scope of this document. (See the references listed at the end of\r
- this document for more information.) However, traditional decoding\r
- schemes used for Huffman variable length decoding, such as the\r
- Greenlaw algorithm, can be successfully applied.\r
-\r
- 5.3.9 The compressed data stream begins immediately after the\r
- compressed Shannon-Fano data. The compressed data stream can be\r
- interpreted as follows:\r
-\r
- loop until done\r
- read 1 bit from input stream.\r
-\r
- if this bit is non-zero then (encoded data is literal data)\r
- if Literal Shannon-Fano tree is present\r
- read and decode character using Literal Shannon-Fano tree.\r
- otherwise\r
- read 8 bits from input stream.\r
- copy character to the output stream.\r
- otherwise (encoded data is sliding dictionary match)\r
- if 8K dictionary size\r
- read 7 bits for offset Distance (lower 7 bits of offset).\r
- otherwise\r
- read 6 bits for offset Distance (lower 6 bits of offset).\r
-\r
- using the Distance Shannon-Fano tree, read and decode the\r
- upper 6 bits of the Distance value.\r
-\r
- using the Length Shannon-Fano tree, read and decode\r
- the Length value.\r
-\r
- Length <- Length + Minimum Match Length\r
-\r
- if Length = 63 + Minimum Match Length\r
- read 8 bits from the input stream,\r
- add this value to Length.\r
-\r
- move backwards Distance+1 bytes in the output stream, and\r
- copy Length characters from this position to the output\r
- stream. (if this position is before the start of the output\r
- stream, then assume that all the data before the start of\r
- the output stream is filled with zeros).\r
- end loop\r
-\r
-5.4 Tokenizing - Method 7\r
--------------------------\r
-\r
- 5.4.1 This method is not used by PKZIP.\r
-\r
-5.5 Deflating - Method 8\r
-------------------------\r
-\r
- 5.5.1 The Deflate algorithm is similar to the Implode algorithm using\r
- a sliding dictionary of up to 32K with secondary compression\r
- from Huffman/Shannon-Fano codes.\r
-\r
- 5.5.2 The compressed data is stored in blocks with a header describing\r
- the block and the Huffman codes used in the data block. The header\r
- format is as follows:\r
-\r
- Bit 0: Last Block bit This bit is set to 1 if this is the last\r
- compressed block in the data.\r
- Bits 1-2: Block type\r
- 00 (0) - Block is stored - All stored data is byte aligned.\r
- Skip bits until next byte, then next word = block \r
- length, followed by the ones compliment of the block\r
- length word. Remaining data in block is the stored \r
- data.\r
-\r
- 01 (1) - Use fixed Huffman codes for literal and distance codes.\r
- Lit Code Bits Dist Code Bits\r
- --------- ---- --------- ----\r
- 0 - 143 8 0 - 31 5\r
- 144 - 255 9\r
- 256 - 279 7\r
- 280 - 287 8\r
-\r
- Literal codes 286-287 and distance codes 30-31 are \r
- never used but participate in the huffman construction.\r
-\r
- 10 (2) - Dynamic Huffman codes. (See expanding Huffman codes)\r
-\r
- 11 (3) - Reserved - Flag a "Error in compressed data" if seen.\r
-\r
- 5.5.3 Expanding Huffman Codes\r
- \r
- If the data block is stored with dynamic Huffman codes, the Huffman\r
- codes are sent in the following compressed format:\r
-\r
- 5 Bits: # of Literal codes sent - 256 (256 - 286)\r
- All other codes are never sent.\r
- 5 Bits: # of Dist codes - 1 (1 - 32)\r
- 4 Bits: # of Bit Length codes - 3 (3 - 19)\r
-\r
- The Huffman codes are sent as bit lengths and the codes are built as\r
- described in the implode algorithm. The bit lengths themselves are\r
- compressed with Huffman codes. There are 19 bit length codes:\r
-\r
- 0 - 15: Represent bit lengths of 0 - 15\r
- 16: Copy the previous bit length 3 - 6 times.\r
- The next 2 bits indicate repeat length (0 = 3, ... ,3 = 6)\r
- Example: Codes 8, 16 (+2 bits 11), 16 (+2 bits 10) will\r
- expand to 12 bit lengths of 8 (1 + 6 + 5)\r
- 17: Repeat a bit length of 0 for 3 - 10 times. (3 bits of length)\r
- 18: Repeat a bit length of 0 for 11 - 138 times (7 bits of length)\r
-\r
- The lengths of the bit length codes are sent packed 3 bits per value\r
- (0 - 7) in the following order:\r
-\r
- 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15\r
-\r
- The Huffman codes should be built as described in the Implode algorithm\r
- except codes are assigned starting at the shortest bit length, i.e. the\r
- shortest code should be all 0's rather than all 1's. Also, codes with\r
- a bit length of zero do not participate in the tree construction. The\r
- codes are then used to decode the bit lengths for the literal and \r
- distance tables.\r
-\r
- The bit lengths for the literal tables are sent first with the number\r
- of entries sent described by the 5 bits sent earlier. There are up\r
- to 286 literal characters; the first 256 represent the respective 8\r
- bit character, code 256 represents the End-Of-Block code, the remaining\r
- 29 codes represent copy lengths of 3 thru 258. There are up to 30\r
- distance codes representing distances from 1 thru 32k as described\r
- below.\r
-\r
- Length Codes\r
- ------------\r
- Extra Extra Extra Extra\r
- Code Bits Length Code Bits Lengths Code Bits Lengths Code Bits Length(s)\r
- ---- ---- ------ ---- ---- ------- ---- ---- ------- ---- ---- ---------\r
- 257 0 3 265 1 11,12 273 3 35-42 281 5 131-162\r
- 258 0 4 266 1 13,14 274 3 43-50 282 5 163-194\r
- 259 0 5 267 1 15,16 275 3 51-58 283 5 195-226\r
- 260 0 6 268 1 17,18 276 3 59-66 284 5 227-257\r
- 261 0 7 269 2 19-22 277 4 67-82 285 0 258\r
- 262 0 8 270 2 23-26 278 4 83-98\r
- 263 0 9 271 2 27-30 279 4 99-114\r
- 264 0 10 272 2 31-34 280 4 115-130\r
-\r
- Distance Codes\r
- --------------\r
- Extra Extra Extra Extra\r
- Code Bits Dist Code Bits Dist Code Bits Distance Code Bits Distance\r
- ---- ---- ---- ---- ---- ------ ---- ---- -------- ---- ---- --------\r
- 0 0 1 8 3 17-24 16 7 257-384 24 11 4097-6144\r
- 1 0 2 9 3 25-32 17 7 385-512 25 11 6145-8192\r
- 2 0 3 10 4 33-48 18 8 513-768 26 12 8193-12288\r
- 3 0 4 11 4 49-64 19 8 769-1024 27 12 12289-16384\r
- 4 1 5,6 12 5 65-96 20 9 1025-1536 28 13 16385-24576\r
- 5 1 7,8 13 5 97-128 21 9 1537-2048 29 13 24577-32768\r
- 6 2 9-12 14 6 129-192 22 10 2049-3072\r
- 7 2 13-16 15 6 193-256 23 10 3073-4096\r
-\r
- 5.5.4 The compressed data stream begins immediately after the\r
- compressed header data. The compressed data stream can be\r
- interpreted as follows:\r
-\r
- do\r
- read header from input stream.\r
-\r
- if stored block\r
- skip bits until byte aligned\r
- read count and 1's compliment of count\r
- copy count bytes data block\r
- otherwise\r
- loop until end of block code sent\r
- decode literal character from input stream\r
- if literal < 256\r
- copy character to the output stream\r
- otherwise\r
- if literal = end of block\r
- break from loop\r
- otherwise\r
- decode distance from input stream\r
-\r
- move backwards distance bytes in the output stream, and\r
- copy length characters from this position to the output\r
- stream.\r
- end loop\r
- while not last block\r
-\r
- if data descriptor exists\r
- skip bits until byte aligned\r
- read crc and sizes\r
- endif\r
-\r
-5.6 Enhanced Deflating - Method 9\r
----------------------------------\r
-\r
- 5.6.1 The Enhanced Deflating algorithm is similar to Deflate but uses \r
- a sliding dictionary of up to 64K. Deflate64(tm) is supported\r
- by the Deflate extractor. \r
-\r
-5.7 BZIP2 - Method 12\r
----------------------\r
-\r
- 5.7.1 BZIP2 is an open-source data compression algorithm developed by \r
- Julian Seward. Information and source code for this algorithm\r
- can be found on the internet.\r
-\r
-5.8 LZMA - Method 14 \r
----------------------\r
-\r
- 5.8.1 LZMA is a block-oriented, general purpose data compression \r
- algorithm developed and maintained by Igor Pavlov. It is a derivative \r
- of LZ77 that utilizes Markov chains and a range coder. Information and \r
- source code for this algorithm can be found on the internet. Consult \r
- with the author of this algorithm for information on terms or \r
- restrictions on use.\r
-\r
- Support for LZMA within the ZIP format is defined as follows: \r
-\r
- 5.8.2 The Compression method field within the ZIP Local and Central \r
- Header records will be set to the value 14 to indicate data was\r
- compressed using LZMA. \r
-\r
- 5.8.3 The Version needed to extract field within the ZIP Local and \r
- Central Header records will be set to 6.3 to indicate the minimum \r
- ZIP format version supporting this feature.\r
-\r
- 5.8.4 File data compressed using the LZMA algorithm must be placed \r
- immediately following the Local Header for the file. If a standard \r
- ZIP encryption header is required, it will follow the Local Header \r
- and will precede the LZMA compressed file data segment. The location \r
- of LZMA compressed data segment within the ZIP format will be as shown:\r
-\r
- [local header file 1]\r
- [encryption header file 1]\r
- [LZMA compressed data segment for file 1]\r
- [data descriptor 1]\r
- [local header file 2]\r
-\r
- 5.8.5 The encryption header and data descriptor records may\r
- be conditionally present. The LZMA Compressed Data Segment \r
- will consist of an LZMA Properties Header followed by the \r
- LZMA Compressed Data as shown:\r
-\r
- [LZMA properties header for file 1]\r
- [LZMA compressed data for file 1]\r
-\r
- 5.8.6 The LZMA Compressed Data will be stored as provided by the \r
- LZMA compression library. Compressed size, uncompressed size and \r
- other file characteristics about the file being compressed must be \r
- stored in standard ZIP storage format.\r
-\r
- 5.8.7 The LZMA Properties Header will store specific data required \r
- to decompress the LZMA compressed Data. This data is set by the \r
- LZMA compression engine using the function WriteCoderProperties() \r
- as documented within the LZMA SDK. \r
- \r
- 5.8.8 Storage fields for the property information within the LZMA \r
- Properties Header are as follows:\r
-\r
- LZMA Version Information 2 bytes\r
- LZMA Properties Size 2 bytes\r
- LZMA Properties Data variable, defined by "LZMA Properties Size"\r
-\r
- 5.8.8.1 LZMA Version Information - this field identifies which version \r
- of the LZMA SDK was used to compress a file. The first byte will \r
- store the major version number of the LZMA SDK and the second \r
- byte will store the minor number. \r
-\r
- 5.8.8.2 LZMA Properties Size - this field defines the size of the \r
- remaining property data. Typically this size should be determined by \r
- the version of the SDK. This size field is included as a convenience\r
- and to help avoid any ambiguity should it arise in the future due\r
- to changes in this compression algorithm. \r
-\r
- 5.8.8.3 LZMA Property Data - this variable sized field records the \r
- required values for the decompressor as defined by the LZMA SDK. \r
- The data stored in this field should be obtained using the \r
- WriteCoderProperties() in the version of the SDK defined by \r
- the "LZMA Version Information" field. \r
-\r
- 5.8.8.4 The layout of the "LZMA Properties Data" field is a function of \r
- the LZMA compression algorithm. It is possible that this layout may be\r
- changed by the author over time. The data layout in version 4.3 of the \r
- LZMA SDK defines a 5 byte array that uses 4 bytes to store the dictionary \r
- size in little-endian order. This is preceded by a single packed byte as \r
- the first element of the array that contains the following fields:\r
-\r
- PosStateBits\r
- LiteralPosStateBits\r
- LiteralContextBits\r
-\r
- Refer to the LZMA documentation for a more detailed explanation of \r
- these fields. \r
-\r
- 5.8.9 Data compressed with method 14, LZMA, may include an end-of-stream\r
- (EOS) marker ending the compressed data stream. This marker is not\r
- required, but its use is highly recommended to facilitate processing\r
- and implementers should include the EOS marker whenever possible.\r
- When the EOS marker is used, general purpose bit 1 must be set. If\r
- general purpose bit 1 is not set, the EOS marker is not present.\r
-\r
-5.9 WavPack - Method 97\r
------------------------\r
-\r
- 5.9.1 Information describing the use of compression method 97 is \r
- provided by WinZIP International, LLC. This method relies on the\r
- open source WavPack audio compression utility developed by David Bryant. \r
- Information on WavPack is available at www.wavpack.com. Please consult \r
- with the author of this algorithm for information on terms and \r
- restrictions on use.\r
-\r
- 5.9.2 WavPack data for a file begins immediately after the end of the\r
- local header data. This data is the output from WavPack compression\r
- routines. Within the ZIP file, the use of WavPack compression is\r
- indicated by setting the compression method field to a value of 97 \r
- in both the local header and the central directory header. The Version \r
- needed to extract and version made by fields use the same values as are \r
- used for data compressed using the Deflate algorithm.\r
-\r
- 5.9.3 An implementation note for storing digital sample data when using \r
- WavPack compression within ZIP files is that all of the bytes of\r
- the sample data should be compressed. This includes any unused\r
- bits up to the byte boundary. An example is a 2 byte sample that\r
- uses only 12 bits for the sample data with 4 unused bits. If only\r
- 12 bits are passed as the sample size to the WavPack routines, the 4 \r
- unused bits will be set to 0 on extraction regardless of their original \r
- state. To avoid this, the full 16 bits of the sample data size\r
- should be provided. \r
-\r
-5.10 PPMd - Method 98\r
----------------------\r
-\r
- 5.10.1 PPMd is a data compression algorithm developed by Dmitry Shkarin\r
- which includes a carryless rangecoder developed by Dmitry Subbotin.\r
- This algorithm is based on predictive phrase matching on multiple\r
- order contexts. Information and source code for this algorithm\r
- can be found on the internet. Consult with the author of this\r
- algorithm for information on terms or restrictions on use.\r
-\r
- 5.10.2 Support for PPMd within the ZIP format currently is provided only \r
- for version I, revision 1 of the algorithm. Storage requirements\r
- for using this algorithm are as follows:\r
-\r
- 5.10.3 Parameters needed to control the algorithm are stored in the two\r
- bytes immediately preceding the compressed data. These bytes are\r
- used to store the following fields:\r
-\r
- Model order - sets the maximum model order, default is 8, possible\r
- values are from 2 to 16 inclusive\r
-\r
- Sub-allocator size - sets the size of sub-allocator in MB, default is 50,\r
- possible values are from 1MB to 256MB inclusive\r
-\r
- Model restoration method - sets the method used to restart context\r
- model at memory insufficiency, values are:\r
-\r
- 0 - restarts model from scratch - default\r
- 1 - cut off model - decreases performance by as much as 2x\r
- 2 - freeze context tree - not recommended\r
-\r
- 5.10.4 An example for packing these fields into the 2 byte storage field is\r
- illustrated below. These values are stored in Intel low-byte/high-byte\r
- order.\r
-\r
- wPPMd = (Model order - 1) + \r
- ((Sub-allocator size - 1) << 4) + \r
- (Model restoration method << 12)\r
-\r
-\r
-6.0 Traditional PKWARE Encryption\r
-----------------------------------\r
-\r
- 6.0.1 The following information discusses the decryption steps\r
- required to support traditional PKWARE encryption. This\r
- form of encryption is considered weak by today's standards\r
- and its use is recommended only for situations with\r
- low security needs or for compatibility with older .ZIP \r
- applications.\r
-\r
-6.1 Traditional PKWARE Decryption\r
----------------------------------\r
-\r
- 6.1.1 PKWARE is grateful to Mr. Roger Schlafly for his expert \r
- contribution towards the development of PKWARE's traditional \r
- encryption.\r
-\r
- 6.1.2 PKZIP encrypts the compressed data stream. Encrypted files \r
- must be decrypted before they can be extracted to their original\r
- form.\r
-\r
- 6.1.3 Each encrypted file has an extra 12 bytes stored at the start \r
- of the data area defining the encryption header for that file. The\r
- encryption header is originally set to random values, and then\r
- itself encrypted, using three, 32-bit keys. The key values are\r
- initialized using the supplied encryption password. After each byte\r
- is encrypted, the keys are then updated using pseudo-random number\r
- generation techniques in combination with the same CRC-32 algorithm\r
- used in PKZIP and described elsewhere in this document.\r
-\r
- 6.1.4 The following are the basic steps required to decrypt a file:\r
-\r
- 1) Initialize the three 32-bit keys with the password.\r
- 2) Read and decrypt the 12-byte encryption header, further\r
- initializing the encryption keys.\r
- 3) Read and decrypt the compressed data stream using the\r
- encryption keys.\r
-\r
- 6.1.5 Initializing the encryption keys\r
- \r
- Key(0) <- 305419896\r
- Key(1) <- 591751049\r
- Key(2) <- 878082192\r
-\r
- loop for i <- 0 to length(password)-1\r
- update_keys(password(i))\r
- end loop\r
-\r
- Where update_keys() is defined as:\r
-\r
- update_keys(char):\r
- Key(0) <- crc32(key(0),char)\r
- Key(1) <- Key(1) + (Key(0) & 000000ffH)\r
- Key(1) <- Key(1) * 134775813 + 1\r
- Key(2) <- crc32(key(2),key(1) >> 24)\r
- end update_keys\r
-\r
- Where crc32(old_crc,char) is a routine that given a CRC value and a\r
- character, returns an updated CRC value after applying the CRC-32\r
- algorithm described elsewhere in this document.\r
-\r
- 6.1.6 Decrypting the encryption header\r
- \r
- The purpose of this step is to further initialize the encryption\r
- keys, based on random data, to render a plaintext attack on the\r
- data ineffective.\r
-\r
- Read the 12-byte encryption header into Buffer, in locations\r
- Buffer(0) thru Buffer(11).\r
-\r
- loop for i <- 0 to 11\r
- C <- buffer(i) ^ decrypt_byte()\r
- update_keys(C)\r
- buffer(i) <- C\r
- end loop\r
-\r
- Where decrypt_byte() is defined as:\r
-\r
- unsigned char decrypt_byte()\r
- local unsigned short temp\r
- temp <- Key(2) | 2\r
- decrypt_byte <- (temp * (temp ^ 1)) >> 8\r
- end decrypt_byte\r
-\r
- After the header is decrypted, the last 1 or 2 bytes in Buffer\r
- should be the high-order word/byte of the CRC for the file being\r
- decrypted, stored in Intel low-byte/high-byte order. Versions of\r
- PKZIP prior to 2.0 used a 2 byte CRC check; a 1 byte CRC check is\r
- used on versions after 2.0. This can be used to test if the password\r
- supplied is correct or not.\r
-\r
- 6.1.7 Decrypting the compressed data stream\r
- \r
- The compressed data stream can be decrypted as follows:\r
-\r
- loop until done\r
- read a character into C\r
- Temp <- C ^ decrypt_byte()\r
- update_keys(temp)\r
- output Temp\r
- end loop\r
-\r
-\r
-7.0 Strong Encryption Specification\r
------------------------------------\r
-\r
- 7.0.1 Portions of the Strong Encryption technology defined in this \r
- specification are covered under patents and pending patent applications.\r
- Refer to the section in this document entitled "Incorporating \r
- PKWARE Proprietary Technology into Your Product" for more information.\r
-\r
-7.1 Strong Encryption Overview\r
-------------------------------\r
-\r
- 7.1.1 Version 5.x of this specification introduced support for strong \r
- encryption algorithms. These algorithms can be used with either \r
- a password or an X.509v3 digital certificate to encrypt each file. \r
- This format specification supports either password or certificate \r
- based encryption to meet the security needs of today, to enable \r
- interoperability between users within both PKI and non-PKI \r
- environments, and to ensure interoperability between different \r
- computing platforms that are running a ZIP program. \r
-\r
- 7.1.2 Password based encryption is the most common form of encryption \r
- people are familiar with. However, inherent weaknesses with \r
- passwords (e.g. susceptibility to dictionary/brute force attack) \r
- as well as password management and support issues make certificate \r
- based encryption a more secure and scalable option. Industry \r
- efforts and support are defining and moving towards more advanced \r
- security solutions built around X.509v3 digital certificates and \r
- Public Key Infrastructures(PKI) because of the greater scalability, \r
- administrative options, and more robust security over traditional \r
- password based encryption. \r
-\r
- 7.1.3 Most standard encryption algorithms are supported with this\r
- specification. Reference implementations for many of these \r
- algorithms are available from either commercial or open source \r
- distributors. Readily available cryptographic toolkits make\r
- implementation of the encryption features straight-forward. \r
- This document is not intended to provide a treatise on data \r
- encryption principles or theory. Its purpose is to document the \r
- data structures required for implementing interoperable data \r
- encryption within the .ZIP format. It is strongly recommended that \r
- you have a good understanding of data encryption before reading \r
- further.\r
-\r
- 7.1.4 The algorithms introduced in Version 5.0 of this specification \r
- include:\r
-\r
- RC2 40 bit, 64 bit, and 128 bit\r
- RC4 40 bit, 64 bit, and 128 bit\r
- DES\r
- 3DES 112 bit and 168 bit\r
- \r
- Version 5.1 adds support for the following:\r
-\r
- AES 128 bit, 192 bit, and 256 bit\r
-\r
-\r
- 7.1.5 Version 6.1 introduces encryption data changes to support \r
- interoperability with Smartcard and USB Token certificate storage \r
- methods which do not support the OAEP strengthening standard.\r
-\r
- 7.1.6 Version 6.2 introduces support for encrypting metadata by compressing \r
- and encrypting the central directory data structure to reduce information \r
- leakage. Information leakage can occur in legacy ZIP applications \r
- through exposure of information about a file even though that file is \r
- stored encrypted. The information exposed consists of file \r
- characteristics stored within the records and fields defined by this \r
- specification. This includes data such as a file's name, its original \r
- size, timestamp and CRC32 value. \r
-\r
- 7.1.7 Version 6.3 introduces support for encrypting data using the Blowfish\r
- and Twofish algorithms. These are symmetric block ciphers developed \r
- by Bruce Schneier. Blowfish supports using a variable length key from \r
- 32 to 448 bits. Block size is 64 bits. Implementations should use 16\r
- rounds and the only mode supported within ZIP files is CBC. Twofish \r
- supports key sizes 128, 192 and 256 bits. Block size is 128 bits. \r
- Implementations should use 16 rounds and the only mode supported within\r
- ZIP files is CBC. Information and source code for both Blowfish and \r
- Twofish algorithms can be found on the internet. Consult with the author\r
- of these algorithms for information on terms or restrictions on use.\r
-\r
- 7.1.8 Central Directory Encryption provides greater protection against \r
- information leakage by encrypting the Central Directory structure and \r
- by masking key values that are replicated in the unencrypted Local \r
- Header. ZIP compatible programs that cannot interpret an encrypted \r
- Central Directory structure cannot rely on the data in the corresponding \r
- Local Header for decompression information. \r
-\r
- 7.1.9 Extra Field records that may contain information about a file that should \r
- not be exposed should not be stored in the Local Header and should only \r
- be written to the Central Directory where they can be encrypted. This \r
- design currently does not support streaming. Information in the End of \r
- Central Directory record, the Zip64 End of Central Directory Locator, \r
- and the Zip64 End of Central Directory records are not encrypted. Access \r
- to view data on files within a ZIP file with an encrypted Central Directory\r
- requires the appropriate password or private key for decryption prior to \r
- viewing any files, or any information about the files, in the archive. \r
-\r
- 7.1.10 Older ZIP compatible programs not familiar with the Central Directory \r
- Encryption feature will no longer be able to recognize the Central \r
- Directory and may assume the ZIP file is corrupt. Programs that \r
- attempt streaming access using Local Headers will see invalid \r
- information for each file. Central Directory Encryption need not be \r
- used for every ZIP file. Its use is recommended for greater security. \r
- ZIP files not using Central Directory Encryption should operate as \r
- in the past. \r
-\r
- 7.1.11 This strong encryption feature specification is intended to provide for \r
- scalable, cross-platform encryption needs ranging from simple password\r
- encryption to authenticated public/private key encryption. \r
-\r
- 7.1.12 Encryption provides data confidentiality and privacy. It is \r
- recommended that you combine X.509 digital signing with encryption \r
- to add authentication and non-repudiation.\r
-\r
-\r
-7.2 Single Password Symmetric Encryption Method\r
------------------------------------------------\r
-\r
- 7.2.1 The Single Password Symmetric Encryption Method using strong \r
- encryption algorithms operates similarly to the traditional \r
- PKWARE encryption defined in this format. Additional data \r
- structures are added to support the processing needs of the \r
- strong algorithms.\r
-\r
- The Strong Encryption data structures are:\r
-\r
- 7.2.2 General Purpose Bits - Bits 0 and 6 of the General Purpose bit \r
- flag in both local and central header records. Both bits set \r
- indicates strong encryption. Bit 13, when set indicates the Central\r
- Directory is encrypted and that selected fields in the Local Header\r
- are masked to hide their actual value.\r
-\r
-\r
- 7.2.3 Extra Field 0x0017 in central header only.\r
-\r
- Fields to consider in this record are:\r
-\r
- 7.2.3.1 Format - the data format identifier for this record. The only\r
- value allowed at this time is the integer value 2.\r
-\r
- 7.2.3.2 AlgId - integer identifier of the encryption algorithm from the\r
- following range\r
-\r
- 0x6601 - DES\r
- 0x6602 - RC2 (version needed to extract < 5.2)\r
- 0x6603 - 3DES 168\r
- 0x6609 - 3DES 112\r
- 0x660E - AES 128 \r
- 0x660F - AES 192 \r
- 0x6610 - AES 256 \r
- 0x6702 - RC2 (version needed to extract >= 5.2)\r
- 0x6720 - Blowfish\r
- 0x6721 - Twofish\r
- 0x6801 - RC4\r
- 0xFFFF - Unknown algorithm\r
-\r
- 7.2.3.3 Bitlen - Explicit bit length of key\r
-\r
- 32 - 448 bits\r
- \r
- 7.2.3.4 Flags - Processing flags needed for decryption\r
-\r
- 0x0001 - Password is required to decrypt\r
- 0x0002 - Certificates only\r
- 0x0003 - Password or certificate required to decrypt\r
-\r
- Values > 0x0003 reserved for certificate processing\r
-\r
-\r
- 7.2.4 Decryption header record preceding compressed file data.\r
-\r
- -Decryption Header:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- IVSize 2 bytes Size of initialization vector (IV)\r
- IVData IVSize Initialization vector for this file\r
- Size 4 bytes Size of remaining decryption header data\r
- Format 2 bytes Format definition for this record\r
- AlgID 2 bytes Encryption algorithm identifier\r
- Bitlen 2 bytes Bit length of encryption key\r
- Flags 2 bytes Processing flags\r
- ErdSize 2 bytes Size of Encrypted Random Data\r
- ErdData ErdSize Encrypted Random Data\r
- Reserved1 4 bytes Reserved certificate processing data\r
- Reserved2 (var) Reserved for certificate processing data\r
- VSize 2 bytes Size of password validation data\r
- VData VSize-4 Password validation data\r
- VCRC32 4 bytes Standard ZIP CRC32 of password validation data\r
-\r
- 7.2.4.1 IVData - The size of the IV should match the algorithm block size.\r
- The IVData can be completely random data. If the size of\r
- the randomly generated data does not match the block size\r
- it should be complemented with zero's or truncated as\r
- necessary. If IVSize is 0,then IV = CRC32 + Uncompressed\r
- File Size (as a 64 bit little-endian, unsigned integer value).\r
-\r
- 7.2.4.2 Format - the data format identifier for this record. The only\r
- value allowed at this time is the integer value 3.\r
-\r
- 7.2.4.3 AlgId - integer identifier of the encryption algorithm from the\r
- following range\r
-\r
- 0x6601 - DES\r
- 0x6602 - RC2 (version needed to extract < 5.2)\r
- 0x6603 - 3DES 168\r
- 0x6609 - 3DES 112\r
- 0x660E - AES 128 \r
- 0x660F - AES 192 \r
- 0x6610 - AES 256 \r
- 0x6702 - RC2 (version needed to extract >= 5.2)\r
- 0x6720 - Blowfish\r
- 0x6721 - Twofish\r
- 0x6801 - RC4\r
- 0xFFFF - Unknown algorithm\r
-\r
- 7.2.4.4 Bitlen - Explicit bit length of key\r
-\r
- 32 - 448 bits\r
- \r
- 7.2.4.5 Flags - Processing flags needed for decryption\r
-\r
- 0x0001 - Password is required to decrypt\r
- 0x0002 - Certificates only\r
- 0x0003 - Password or certificate required to decrypt\r
-\r
- Values > 0x0003 reserved for certificate processing\r
-\r
- 7.2.4.6 ErdData - Encrypted random data is used to store random data that\r
- is used to generate a file session key for encrypting \r
- each file. SHA1 is used to calculate hash data used to \r
- derive keys. File session keys are derived from a master \r
- session key generated from the user-supplied password.\r
- If the Flags field in the decryption header contains \r
- the value 0x4000, then the ErdData field must be \r
- decrypted using 3DES. If the value 0x4000 is not set,\r
- then the ErdData field must be decrypted using AlgId.\r
-\r
-\r
- 7.2.4.7 Reserved1 - Reserved for certificate processing, if value is\r
- zero, then Reserved2 data is absent. See the explanation\r
- under the Certificate Processing Method for details on\r
- this data structure.\r
-\r
- 7.2.4.8 Reserved2 - If present, the size of the Reserved2 data structure \r
- is located by skipping the first 4 bytes of this field \r
- and using the next 2 bytes as the remaining size. See\r
- the explanation under the Certificate Processing Method\r
- for details on this data structure.\r
-\r
- 7.2.4.9 VSize - This size value will always include the 4 bytes of the\r
- VCRC32 data and will be greater than 4 bytes.\r
-\r
- 7.2.4.10 VData - Random data for password validation. This data is VSize\r
- in length and VSize must be a multiple of the encryption\r
- block size. VCRC32 is a checksum value of VData. \r
- VData and VCRC32 are stored encrypted and start the\r
- stream of encrypted data for a file.\r
-\r
-\r
- 7.2.5 Useful Tips\r
-\r
- 7.2.5.1 Strong Encryption is always applied to a file after compression. The\r
- block oriented algorithms all operate in Cypher Block Chaining (CBC) \r
- mode. The block size used for AES encryption is 16. All other block\r
- algorithms use a block size of 8. Two IDs are defined for RC2 to \r
- account for a discrepancy found in the implementation of the RC2\r
- algorithm in the cryptographic library on Windows XP SP1 and all \r
- earlier versions of Windows. It is recommended that zero length files\r
- not be encrypted, however programs should be prepared to extract them\r
- if they are found within a ZIP file.\r
-\r
- 7.2.5.2 A pseudo-code representation of the encryption process is as follows:\r
-\r
- Password = GetUserPassword()\r
- MasterSessionKey = DeriveKey(SHA1(Password)) \r
- RD = CryptographicStrengthRandomData() \r
- For Each File\r
- IV = CryptographicStrengthRandomData() \r
- VData = CryptographicStrengthRandomData()\r
- VCRC32 = CRC32(VData)\r
- FileSessionKey = DeriveKey(SHA1(IV + RD) \r
- ErdData = Encrypt(RD,MasterSessionKey,IV) \r
- Encrypt(VData + VCRC32 + FileData, FileSessionKey,IV)\r
- Done\r
-\r
- 7.2.5.3 The function names and parameter requirements will depend on\r
- the choice of the cryptographic toolkit selected. Almost any\r
- toolkit supporting the reference implementations for each\r
- algorithm can be used. The RSA BSAFE(r), OpenSSL, and Microsoft\r
- CryptoAPI libraries are all known to work well. \r
-\r
-\r
- 7.3 Single Password - Central Directory Encryption\r
- --------------------------------------------------\r
- \r
- 7.3.1 Central Directory Encryption is achieved within the .ZIP format by \r
- encrypting the Central Directory structure. This encapsulates the metadata \r
- most often used for processing .ZIP files. Additional metadata is stored for \r
- redundancy in the Local Header for each file. The process of concealing \r
- metadata by encrypting the Central Directory does not protect the data within \r
- the Local Header. To avoid information leakage from the exposed metadata \r
- in the Local Header, the fields containing information about a file are masked. \r
-\r
- 7.3.2 Local Header\r
-\r
- Masking replaces the true content of the fields for a file in the Local \r
- Header with false information. When masked, the Local Header is not \r
- suitable for streaming access and the options for data recovery of damaged\r
- archives is reduced. Extra Data fields that may contain confidential\r
- data should not be stored within the Local Header. The value set into\r
- the Version needed to extract field should be the correct value needed to\r
- extract the file without regard to Central Directory Encryption. The fields \r
- within the Local Header targeted for masking when the Central Directory is \r
- encrypted are:\r
-\r
- Field Name Mask Value\r
- ------------------ ---------------------------\r
- compression method 0\r
- last mod file time 0\r
- last mod file date 0\r
- crc-32 0\r
- compressed size 0\r
- uncompressed size 0\r
- file name (variable size) Base 16 value from the\r
- range 1 - 0xFFFFFFFFFFFFFFFF\r
- represented as a string whose\r
- size will be set into the\r
- file name length field\r
-\r
- The Base 16 value assigned as a masked file name is simply a sequentially\r
- incremented value for each file starting with 1 for the first file. \r
- Modifications to a ZIP file may cause different values to be stored for \r
- each file. For compatibility, the file name field in the Local Header \r
- should never be left blank. As of Version 6.2 of this specification, \r
- the Compression Method and Compressed Size fields are not yet masked.\r
- Fields having a value of 0xFFFF or 0xFFFFFFFF for the ZIP64 format\r
- should not be masked. \r
-\r
- 7.3.3 Encrypting the Central Directory\r
-\r
- Encryption of the Central Directory does not include encryption of the \r
- Central Directory Signature data, the Zip64 End of Central Directory\r
- record, the Zip64 End of Central Directory Locator, or the End\r
- of Central Directory record. The ZIP file comment data is never\r
- encrypted.\r
-\r
- Before encrypting the Central Directory, it may optionally be compressed.\r
- Compression is not required, but for storage efficiency it is assumed\r
- this structure will be compressed before encrypting. Similarly, this \r
- specification supports compressing the Central Directory without\r
- requiring that it also be encrypted. Early implementations of this\r
- feature will assume the encryption method applied to files matches the \r
- encryption applied to the Central Directory.\r
-\r
- Encryption of the Central Directory is done in a manner similar to\r
- that of file encryption. The encrypted data is preceded by a \r
- decryption header. The decryption header is known as the Archive\r
- Decryption Header. The fields of this record are identical to\r
- the decryption header preceding each encrypted file. The location\r
- of the Archive Decryption Header is determined by the value in the\r
- Start of the Central Directory field in the Zip64 End of Central\r
- Directory record. When the Central Directory is encrypted, the\r
- Zip64 End of Central Directory record will always be present.\r
-\r
- The layout of the Zip64 End of Central Directory record for all\r
- versions starting with 6.2 of this specification will follow the\r
- Version 2 format. The Version 2 format is as follows:\r
-\r
- The leading fixed size fields within the Version 1 format for this\r
- record remain unchanged. The record signature for both Version 1 \r
- and Version 2 will be 0x06064b50. Immediately following the last\r
- byte of the field known as the Offset of Start of Central \r
- Directory With Respect to the Starting Disk Number will begin the \r
- new fields defining Version 2 of this record. \r
-\r
- 7.3.4 New fields for Version 2\r
-\r
- Note: all fields stored in Intel low-byte/high-byte order.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- Compression Method 2 bytes Method used to compress the\r
- Central Directory\r
- Compressed Size 8 bytes Size of the compressed data\r
- Original Size 8 bytes Original uncompressed size\r
- AlgId 2 bytes Encryption algorithm ID\r
- BitLen 2 bytes Encryption key length\r
- Flags 2 bytes Encryption flags\r
- HashID 2 bytes Hash algorithm identifier\r
- Hash Length 2 bytes Length of hash data\r
- Hash Data (variable) Hash data\r
-\r
- The Compression Method accepts the same range of values as the \r
- corresponding field in the Central Header.\r
-\r
- The Compressed Size and Original Size values will not include the\r
- data of the Central Directory Signature which is compressed or\r
- encrypted.\r
-\r
- The AlgId, BitLen, and Flags fields accept the same range of values\r
- the corresponding fields within the 0x0017 record. \r
-\r
- Hash ID identifies the algorithm used to hash the Central Directory \r
- data. This data does not have to be hashed, in which case the\r
- values for both the HashID and Hash Length will be 0. Possible \r
- values for HashID are:\r
-\r
- Value Algorithm\r
- ------ ---------\r
- 0x0000 none\r
- 0x0001 CRC32\r
- 0x8003 MD5\r
- 0x8004 SHA1\r
- 0x8007 RIPEMD160\r
- 0x800C SHA256\r
- 0x800D SHA384\r
- 0x800E SHA512\r
-\r
- 7.3.5 When the Central Directory data is signed, the same hash algorithm\r
- used to hash the Central Directory for signing should be used.\r
- This is recommended for processing efficiency, however, it is \r
- permissible for any of the above algorithms to be used independent \r
- of the signing process.\r
-\r
- The Hash Data will contain the hash data for the Central Directory.\r
- The length of this data will vary depending on the algorithm used.\r
-\r
- The Version Needed to Extract should be set to 62.\r
-\r
- The value for the Total Number of Entries on the Current Disk will\r
- be 0. These records will no longer support random access when\r
- encrypting the Central Directory.\r
-\r
- 7.3.6 When the Central Directory is compressed and/or encrypted, the\r
- End of Central Directory record will store the value 0xFFFFFFFF\r
- as the value for the Total Number of Entries in the Central\r
- Directory. The value stored in the Total Number of Entries in\r
- the Central Directory on this Disk field will be 0. The actual\r
- values will be stored in the equivalent fields of the Zip64\r
- End of Central Directory record.\r
-\r
- 7.3.7 Decrypting and decompressing the Central Directory is accomplished\r
- in the same manner as decrypting and decompressing a file.\r
-\r
- 7.4 Certificate Processing Method\r
- ---------------------------------\r
-\r
- The Certificate Processing Method for ZIP file encryption \r
- defines the following additional data fields:\r
-\r
- 7.4.1 Certificate Flag Values\r
-\r
- Additional processing flags that can be present in the Flags field of both \r
- the 0x0017 field of the central directory Extra Field and the Decryption \r
- header record preceding compressed file data are:\r
-\r
- 0x0007 - reserved for future use\r
- 0x000F - reserved for future use\r
- 0x0100 - Indicates non-OAEP key wrapping was used. If this\r
- this field is set, the version needed to extract must\r
- be at least 61. This means OAEP key wrapping is not\r
- used when generating a Master Session Key using\r
- ErdData.\r
- 0x4000 - ErdData must be decrypted using 3DES-168, otherwise use the\r
- same algorithm used for encrypting the file contents.\r
- 0x8000 - reserved for future use\r
-\r
-\r
- 7.4.2 CertData - Extra Field 0x0017 record certificate data structure\r
-\r
- The data structure used to store certificate data within the section\r
- of the Extra Field defined by the CertData field of the 0x0017\r
- record are as shown:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- RCount 4 bytes Number of recipients. \r
- HashAlg 2 bytes Hash algorithm identifier\r
- HSize 2 bytes Hash size\r
- SRList (var) Simple list of recipients hashed public keys\r
-\r
- \r
- RCount This defines the number intended recipients whose \r
- public keys were used for encryption. This identifies\r
- the number of elements in the SRList.\r
-\r
- HashAlg This defines the hash algorithm used to calculate\r
- the public key hash of each public key used\r
- for encryption. This field currently supports\r
- only the following value for SHA-1\r
-\r
- 0x8004 - SHA1\r
-\r
- HSize This defines the size of a hashed public key.\r
-\r
- SRList This is a variable length list of the hashed \r
- public keys for each intended recipient. Each \r
- element in this list is HSize. The total size of \r
- SRList is determined using RCount * HSize.\r
-\r
-\r
- 7.4.3 Reserved1 - Certificate Decryption Header Reserved1 Data\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- RCount 4 bytes Number of recipients. \r
- \r
- RCount This defines the number intended recipients whose \r
- public keys were used for encryption. This defines\r
- the number of elements in the REList field defined below.\r
-\r
-\r
- 7.4.4 Reserved2 - Certificate Decryption Header Reserved2 Data Structures\r
-\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- HashAlg 2 bytes Hash algorithm identifier\r
- HSize 2 bytes Hash size\r
- REList (var) List of recipient data elements\r
-\r
-\r
- HashAlg This defines the hash algorithm used to calculate\r
- the public key hash of each public key used\r
- for encryption. This field currently supports\r
- only the following value for SHA-1\r
-\r
- 0x8004 - SHA1\r
-\r
- HSize This defines the size of a hashed public key\r
- defined in REHData.\r
-\r
- REList This is a variable length of list of recipient data. \r
- Each element in this list consists of a Recipient\r
- Element data structure as follows:\r
-\r
-\r
- Recipient Element (REList) Data Structure:\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- RESize 2 bytes Size of REHData + REKData\r
- REHData HSize Hash of recipients public key\r
- REKData (var) Simple key blob\r
-\r
-\r
- RESize This defines the size of an individual REList \r
- element. This value is the combined size of the\r
- REHData field + REKData field. REHData is defined by\r
- HSize. REKData is variable and can be calculated\r
- for each REList element using RESize and HSize.\r
-\r
- REHData Hashed public key for this recipient.\r
-\r
- REKData Simple Key Blob. The format of this data structure\r
- is identical to that defined in the Microsoft\r
- CryptoAPI and generated using the CryptExportKey()\r
- function. The version of the Simple Key Blob\r
- supported at this time is 0x02 as defined by\r
- Microsoft.\r
-\r
-7.5 Certificate Processing - Central Directory Encryption\r
----------------------------------------------------------\r
- \r
- 7.5.1 Central Directory Encryption using Digital Certificates will \r
- operate in a manner similar to that of Single Password Central\r
- Directory Encryption. This record will only be present when there \r
- is data to place into it. Currently, data is placed into this\r
- record when digital certificates are used for either encrypting \r
- or signing the files within a ZIP file. When only password \r
- encryption is used with no certificate encryption or digital \r
- signing, this record is not currently needed. When present, this \r
- record will appear before the start of the actual Central Directory \r
- data structure and will be located immediately after the Archive \r
- Decryption Header if the Central Directory is encrypted.\r
-\r
- 7.5.2 The Archive Extra Data record will be used to store the following\r
- information. Additional data may be added in future versions.\r
-\r
- Extra Data Fields:\r
-\r
- 0x0014 - PKCS#7 Store for X.509 Certificates\r
- 0x0016 - X.509 Certificate ID and Signature for central directory\r
- 0x0019 - PKCS#7 Encryption Recipient Certificate List\r
-\r
- The 0x0014 and 0x0016 Extra Data records that otherwise would be \r
- located in the first record of the Central Directory for digital \r
- certificate processing. When encrypting or compressing the Central \r
- Directory, the 0x0014 and 0x0016 records must be located in the \r
- Archive Extra Data record and they should not remain in the first \r
- Central Directory record. The Archive Extra Data record will also \r
- be used to store the 0x0019 data. \r
-\r
- 7.5.3 When present, the size of the Archive Extra Data record will be\r
- included in the size of the Central Directory. The data of the\r
- Archive Extra Data record will also be compressed and encrypted\r
- along with the Central Directory data structure.\r
-\r
-7.6 Certificate Processing Differences\r
---------------------------------------\r
-\r
- 7.6.1 The Certificate Processing Method of encryption differs from the\r
- Single Password Symmetric Encryption Method as follows. Instead\r
- of using a user-defined password to generate a master session key,\r
- cryptographically random data is used. The key material is then\r
- wrapped using standard key-wrapping techniques. This key material\r
- is wrapped using the public key of each recipient that will need\r
- to decrypt the file using their corresponding private key.\r
-\r
- 7.6.2 This specification currently assumes digital certificates will follow\r
- the X.509 V3 format for 1024 bit and higher RSA format digital\r
- certificates. Implementation of this Certificate Processing Method\r
- requires supporting logic for key access and management. This logic\r
- is outside the scope of this specification.\r
-\r
-7.7 OAEP Processing with Certificate-based Encryption\r
------------------------------------------------------\r
-\r
- 7.7.1 OAEP stands for Optimal Asymmetric Encryption Padding. It is a\r
- strengthening technique used for small encoded items such as decryption\r
- keys. This is commonly applied in cryptographic key-wrapping techniques\r
- and is supported by PKCS #1. Versions 5.0 and 6.0 of this specification \r
- were designed to support OAEP key-wrapping for certificate-based \r
- decryption keys for additional security. \r
-\r
- 7.7.2 Support for private keys stored on Smartcards or Tokens introduced\r
- a conflict with this OAEP logic. Most card and token products do \r
- not support the additional strengthening applied to OAEP key-wrapped \r
- data. In order to resolve this conflict, versions 6.1 and above of this \r
- specification will no longer support OAEP when encrypting using \r
- digital certificates. \r
-\r
- 7.7.3 Versions of PKZIP available during initial development of the \r
- certificate processing method set a value of 61 into the \r
- version needed to extract field for a file. This indicates that \r
- non-OAEP key wrapping is used. This affects certificate encryption \r
- only, and password encryption functions should not be affected by \r
- this value. This means values of 61 may be found on files encrypted\r
- with certificates only, or on files encrypted with both password\r
- encryption and certificate encryption. Files encrypted with both\r
- methods can safely be decrypted using the password methods documented.\r
-\r
-8.0 Splitting and Spanning ZIP files\r
--------------------------------------\r
-\r
- 8.1 Spanned ZIP files\r
-\r
- 8.1.1 Spanning is the process of segmenting a ZIP file across \r
- multiple removable media. This support has typically only \r
- been provided for DOS formatted floppy diskettes. \r
-\r
- 8.2 Split ZIP files\r
-\r
- 8.2.1 File splitting is a newer derivation of spanning. \r
- Splitting follows the same segmentation process as\r
- spanning, however, it does not require writing each\r
- segment to a unique removable medium and instead supports\r
- placing all pieces onto local or non-removable locations\r
- such as file systems, local drives, folders, etc.\r
-\r
- 8.3 File Naming Differences\r
-\r
- 8.3.1 A key difference between spanned and split ZIP files is\r
- that all pieces of a spanned ZIP file have the same name. \r
- Since each piece is written to a separate volume, no name \r
- collisions occur and each segment can reuse the original \r
- .ZIP file name given to the archive.\r
-\r
- 8.3.2 Sequence ordering for DOS spanned archives uses the DOS \r
- volume label to determine segment numbers. Volume labels\r
- for each segment are written using the form PKBACK#xxx, \r
- where xxx is the segment number written as a decimal \r
- value from 001 - nnn.\r
-\r
- 8.3.3 Split ZIP files are typically written to the same location\r
- and are subject to name collisions if the spanned name\r
- format is used since each segment will reside on the same \r
- drive. To avoid name collisions, split archives are named \r
- as follows.\r
-\r
- Segment 1 = filename.z01\r
- Segment n-1 = filename.z(n-1)\r
- Segment n = filename.zip\r
-\r
- 8.3.4 The .ZIP extension is used on the last segment to support\r
- quickly reading the central directory. The segment number\r
- n should be a decimal value.\r
- \r
- 8.4 Spanned Self-extracting ZIP Files\r
- \r
- 8.4.1 Spanned ZIP files may be PKSFX Self-extracting ZIP files.\r
- PKSFX files may also be split, however, in this case\r
- the first segment must be named filename.exe. The first\r
- segment of a split PKSFX archive must be large enough to\r
- include the entire executable program.\r
-\r
- 8.5 Capacities and Markers\r
- \r
- 8.5.1 Capacities for split archives are as follows:\r
-\r
- Maximum number of segments = 4,294,967,295 - 1\r
- Maximum .ZIP segment size = 4,294,967,295 bytes\r
- Minimum segment size = 64K\r
- Maximum PKSFX segment size = 2,147,483,647 bytes\r
- \r
- 8.5.2 Segment sizes may be different however by convention, all \r
- segment sizes should be the same with the exception of the \r
- last, which may be smaller. Local and central directory \r
- header records must never be split across a segment boundary. \r
- When writing a header record, if the number of bytes remaining \r
- within a segment is less than the size of the header record,\r
- end the current segment and write the header at the start\r
- of the next segment. The central directory may span segment\r
- boundaries, but no single record in the central directory\r
- should be split across segments.\r
-\r
- 8.5.3 Spanned/Split archives created using PKZIP for Windows\r
- (V2.50 or greater), PKZIP Command Line (V2.50 or greater),\r
- or PKZIP Explorer will include a special spanning \r
- signature as the first 4 bytes of the first segment of\r
- the archive. This signature (0x08074b50) will be \r
- followed immediately by the local header signature for\r
- the first file in the archive. \r
-\r
- 8.5.4 A special spanning marker may also appear in spanned/split \r
- archives if the spanning or splitting process starts but \r
- only requires one segment. In this case the 0x08074b50 \r
- signature will be replaced with the temporary spanning \r
- marker signature of 0x30304b50. Split archives can\r
- only be uncompressed by other versions of PKZIP that\r
- know how to create a split archive.\r
-\r
- 8.5.5 The signature value 0x08074b50 is also used by some\r
- ZIP implementations as a marker for the Data Descriptor \r
- record. Conflict in this alternate assignment can be\r
- avoided by ensuring the position of the signature\r
- within the ZIP file to determine the use for which it\r
- is intended. \r
-\r
-9.0 Change Process\r
-------------------\r
-\r
- 9.1 In order for the .ZIP file format to remain a viable technology, this\r
- specification should be considered as open for periodic review and\r
- revision. Although this format was originally designed with a \r
- certain level of extensibility, not all changes in technology\r
- (present or future) were or will be necessarily considered in its\r
- design. \r
-\r
- 9.2 If your application requires new definitions to the\r
- extensible sections in this format, or if you would like to \r
- submit new data structures or new capabilities, please forward \r
- your request to zipformat@pkware.com. All submissions will be \r
- reviewed by the ZIP File Specification Committee for possible \r
- inclusion into future versions of this specification. \r
-\r
- 9.3 Periodic revisions to this specification will be published as\r
- DRAFT or as FINAL status to ensure interoperability. We encourage \r
- comments and feedback that may help improve clarity or content.\r
-\r
-\r
-10.0 Incorporating PKWARE Proprietary Technology into Your Product\r
-------------------------------------------------------------------\r
-\r
- 10.1 The Use or Implementation in a product of APPNOTE technological \r
- components pertaining to either strong encryption or patching requires \r
- a separate, executed license agreement from PKWARE. Please contact \r
- PKWARE at zipformat@pkware.com or +1-414-289-9788 with regard to \r
- acquiring such a license.\r
-\r
- 10.2 Additional information regarding PKWARE proprietray technology is \r
- available at http://www.pkware.com/appnote.\r
-\r
-11.0 Acknowledgements\r
----------------------\r
-\r
- In addition to the above mentioned contributors to PKZIP and PKUNZIP,\r
- PKWARE would like to extend special thanks to Robert Mahoney for \r
- suggesting the extension .ZIP for this software.\r
-\r
-12.0 References\r
----------------\r
-\r
- Fiala, Edward R., and Greene, Daniel H., "Data compression with\r
- finite windows", Communications of the ACM, Volume 32, Number 4,\r
- April 1989, pages 490-505.\r
-\r
- Held, Gilbert, "Data Compression, Techniques and Applications,\r
- Hardware and Software Considerations", John Wiley & Sons, 1987.\r
-\r
- Huffman, D.A., "A method for the construction of minimum-redundancy\r
- codes", Proceedings of the IRE, Volume 40, Number 9, September 1952,\r
- pages 1098-1101.\r
-\r
- Nelson, Mark, "LZW Data Compression", Dr. Dobbs Journal, Volume 14,\r
- Number 10, October 1989, pages 29-37.\r
-\r
- Nelson, Mark, "The Data Compression Book", M&T Books, 1991.\r
-\r
- Storer, James A., "Data Compression, Methods and Theory",\r
- Computer Science Press, 1988\r
-\r
- Welch, Terry, "A Technique for High-Performance Data Compression",\r
- IEEE Computer, Volume 17, Number 6, June 1984, pages 8-19.\r
-\r
- Ziv, J. and Lempel, A., "A universal algorithm for sequential data\r
- compression", Communications of the ACM, Volume 30, Number 6,\r
- June 1987, pages 520-540.\r
-\r
- Ziv, J. and Lempel, A., "Compression of individual sequences via\r
- variable-rate coding", IEEE Transactions on Information Theory,\r
- Volume 24, Number 5, September 1978, pages 530-536.\r
-\r
-\r
-APPENDIX A - AS/400 Extra Field (0x0065) Attribute Definitions\r
---------------------------------------------------------------\r
-\r
-A.1 Field Definition Structure:\r
-\r
- a. field length including length 2 bytes\r
- b. field code 2 bytes\r
- c. data x bytes\r
-\r
-A.2 Field Code Description\r
-\r
- 4001 Source type i.e. CLP etc\r
- 4002 The text description of the library \r
- 4003 The text description of the file\r
- 4004 The text description of the member\r
- 4005 x'F0' or 0 is PF-DTA, x'F1' or 1 is PF_SRC\r
- 4007 Database Type Code 1 byte\r
- 4008 Database file and fields definition\r
- 4009 GZIP file type 2 bytes\r
- 400B IFS code page 2 bytes\r
- 400C IFS Creation Time 4 bytes\r
- 400D IFS Access Time 4 bytes\r
- 400E IFS Modification time 4 bytes\r
- 005C Length of the records in the file 2 bytes\r
- 0068 GZIP two words 8 bytes\r
-\r
-APPENDIX B - z/OS Extra Field (0x0065) Attribute Definitions\r
-------------------------------------------------------------\r
-\r
-B.1 Field Definition Structure:\r
-\r
- a. field length including length 2 bytes\r
- b. field code 2 bytes\r
- c. data x bytes\r
-\r
-B.2 Field Code Description\r
-\r
- 0001 File Type 2 bytes \r
- 0002 NonVSAM Record Format 1 byte\r
- 0003 Reserved \r
- 0004 NonVSAM Block Size 2 bytes Big Endian\r
- 0005 Primary Space Allocation 3 bytes Big Endian\r
- 0006 Secondary Space Allocation 3 bytes Big Endian\r
- 0007 Space Allocation Type1 byte flag \r
- 0008 Modification Date Retired with PKZIP 5.0 +\r
- 0009 Expiration Date Retired with PKZIP 5.0 +\r
- 000A PDS Directory Block Allocation 3 bytes Big Endian binary value\r
- 000B NonVSAM Volume List variable \r
- 000C UNIT Reference Retired with PKZIP 5.0 +\r
- 000D DF/SMS Management Class 8 bytes EBCDIC Text Value\r
- 000E DF/SMS Storage Class 8 bytes EBCDIC Text Value\r
- 000F DF/SMS Data Class 8 bytes EBCDIC Text Value\r
- 0010 PDS/PDSE Member Info. 30 bytes \r
- 0011 VSAM sub-filetype 2 bytes \r
- 0012 VSAM LRECL 13 bytes EBCDIC "(num_avg num_max)"\r
- 0013 VSAM Cluster Name Retired with PKZIP 5.0 +\r
- 0014 VSAM KSDS Key Information 13 bytes EBCDIC "(num_length num_position)"\r
- 0015 VSAM Average LRECL 5 bytes EBCDIC num_value padded with blanks\r
- 0016 VSAM Maximum LRECL 5 bytes EBCDIC num_value padded with blanks\r
- 0017 VSAM KSDS Key Length 5 bytes EBCDIC num_value padded with blanks\r
- 0018 VSAM KSDS Key Position 5 bytes EBCDIC num_value padded with blanks\r
- 0019 VSAM Data Name 1-44 bytes EBCDIC text string\r
- 001A VSAM KSDS Index Name 1-44 bytes EBCDIC text string\r
- 001B VSAM Catalog Name 1-44 bytes EBCDIC text string\r
- 001C VSAM Data Space Type 9 bytes EBCDIC text string\r
- 001D VSAM Data Space Primary 9 bytes EBCDIC num_value left-justified\r
- 001E VSAM Data Space Secondary 9 bytes EBCDIC num_value left-justified\r
- 001F VSAM Data Volume List variable EBCDIC text list of 6-character Volume IDs\r
- 0020 VSAM Data Buffer Space 8 bytes EBCDIC num_value left-justified\r
- 0021 VSAM Data CISIZE 5 bytes EBCDIC num_value left-justified\r
- 0022 VSAM Erase Flag 1 byte flag \r
- 0023 VSAM Free CI % 3 bytes EBCDIC num_value left-justified\r
- 0024 VSAM Free CA % 3 bytes EBCDIC num_value left-justified\r
- 0025 VSAM Index Volume List variable EBCDIC text list of 6-character Volume IDs\r
- 0026 VSAM Ordered Flag 1 byte flag \r
- 0027 VSAM REUSE Flag 1 byte flag \r
- 0028 VSAM SPANNED Flag 1 byte flag \r
- 0029 VSAM Recovery Flag 1 byte flag \r
- 002A VSAM WRITECHK Flag 1 byte flag \r
- 002B VSAM Cluster/Data SHROPTS 3 bytes EBCDIC "n,y" \r
- 002C VSAM Index SHROPTS 3 bytes EBCDIC "n,y" \r
- 002D VSAM Index Space Type 9 bytes EBCDIC text string\r
- 002E VSAM Index Space Primary 9 bytes EBCDIC num_value left-justified\r
- 002F VSAM Index Space Secondary 9 bytes EBCDIC num_value left-justified\r
- 0030 VSAM Index CISIZE 5 bytes EBCDIC num_value left-justified\r
- 0031 VSAM Index IMBED 1 byte flag \r
- 0032 VSAM Index Ordered Flag 1 byte flag \r
- 0033 VSAM REPLICATE Flag 1 byte flag \r
- 0034 VSAM Index REUSE Flag 1 byte flag \r
- 0035 VSAM Index WRITECHK Flag 1 byte flag Retired with PKZIP 5.0 +\r
- 0036 VSAM Owner 8 bytes EBCDIC text string\r
- 0037 VSAM Index Owner 8 bytes EBCDIC text string\r
- 0038 Reserved\r
- 0039 Reserved\r
- 003A Reserved\r
- 003B Reserved\r
- 003C Reserved\r
- 003D Reserved\r
- 003E Reserved\r
- 003F Reserved\r
- 0040 Reserved\r
- 0041 Reserved\r
- 0042 Reserved\r
- 0043 Reserved\r
- 0044 Reserved\r
- 0045 Reserved\r
- 0046 Reserved\r
- 0047 Reserved\r
- 0048 Reserved\r
- 0049 Reserved\r
- 004A Reserved\r
- 004B Reserved\r
- 004C Reserved\r
- 004D Reserved\r
- 004E Reserved\r
- 004F Reserved\r
- 0050 Reserved\r
- 0051 Reserved\r
- 0052 Reserved\r
- 0053 Reserved\r
- 0054 Reserved\r
- 0055 Reserved\r
- 0056 Reserved\r
- 0057 Reserved\r
- 0058 PDS/PDSE Member TTR Info. 6 bytes Big Endian\r
- 0059 PDS 1st LMOD Text TTR 3 bytes Big Endian\r
- 005A PDS LMOD EP Rec # 4 bytes Big Endian\r
- 005B Reserved\r
- 005C Max Length of records 2 bytes Big Endian\r
- 005D PDSE Flag 1 byte flag\r
- 005E Reserved\r
- 005F Reserved\r
- 0060 Reserved\r
- 0061 Reserved\r
- 0062 Reserved\r
- 0063 Reserved\r
- 0064 Reserved\r
- 0065 Last Date Referenced 4 bytes Packed Hex "yyyymmdd"\r
- 0066 Date Created 4 bytes Packed Hex "yyyymmdd"\r
- 0068 GZIP two words 8 bytes\r
- 0071 Extended NOTE Location 12 bytes Big Endian\r
- 0072 Archive device UNIT 6 bytes EBCDIC\r
- 0073 Archive 1st Volume 6 bytes EBCDIC\r
- 0074 Archive 1st VOL File Seq# 2 bytes Binary\r
-\r
-APPENDIX C - Zip64 Extensible Data Sector Mappings \r
----------------------------------------------------\r
-\r
- -Z390 Extra Field:\r
-\r
- The following is the general layout of the attributes for the \r
- ZIP 64 "extra" block for extended tape operations. \r
-\r
- Note: some fields stored in Big Endian format. All text is \r
- in EBCDIC format unless otherwise specified.\r
-\r
- Value Size Description\r
- ----- ---- -----------\r
- (Z390) 0x0065 2 bytes Tag for this "extra" block type\r
- Size 4 bytes Size for the following data block\r
- Tag 4 bytes EBCDIC "Z390"\r
- Length71 2 bytes Big Endian\r
- Subcode71 2 bytes Enote type code\r
- FMEPos 1 byte\r
- Length72 2 bytes Big Endian\r
- Subcode72 2 bytes Unit type code\r
- Unit 1 byte Unit\r
- Length73 2 bytes Big Endian\r
- Subcode73 2 bytes Volume1 type code\r
- FirstVol 1 byte Volume\r
- Length74 2 bytes Big Endian\r
- Subcode74 2 bytes FirstVol file sequence\r
- FileSeq 2 bytes Sequence \r
-\r
-APPENDIX D - Language Encoding (EFS)\r
-------------------------------------\r
-\r
-D.1 The ZIP format has historically supported only the original IBM PC character \r
-encoding set, commonly referred to as IBM Code Page 437. This limits storing \r
-file name characters to only those within the original MS-DOS range of values \r
-and does not properly support file names in other character encodings, or \r
-languages. To address this limitation, this specification will support the \r
-following change. \r
-\r
-D.2 If general purpose bit 11 is unset, the file name and comment should conform \r
-to the original ZIP character encoding. If general purpose bit 11 is set, the \r
-filename and comment must support The Unicode Standard, Version 4.1.0 or \r
-greater using the character encoding form defined by the UTF-8 storage \r
-specification. The Unicode Standard is published by the The Unicode\r
-Consortium (www.unicode.org). UTF-8 encoded data stored within ZIP files \r
-is expected to not include a byte order mark (BOM). \r
-\r
-D.3 Applications may choose to supplement this file name storage through the use \r
-of the 0x0008 Extra Field. Storage for this optional field is currently \r
-undefined, however it will be used to allow storing extended information \r
-on source or target encoding that may further assist applications with file \r
-name, or file content encoding tasks. Please contact PKWARE with any\r
-requirements on how this field should be used.\r
-\r
-D.4 The 0x0008 Extra Field storage may be used with either setting for general \r
-purpose bit 11. Examples of the intended usage for this field is to store \r
-whether "modified-UTF-8" (JAVA) is used, or UTF-8-MAC. Similarly, other \r
-commonly used character encoding (code page) designations can be indicated \r
-through this field. Formalized values for use of the 0x0008 record remain \r
-undefined at this time. The definition for the layout of the 0x0008 field\r
-will be published when available. Use of the 0x0008 Extra Field provides\r
-for storing data within a ZIP file in an encoding other than IBM Code\r
-Page 437 or UTF-8.\r
-\r
-D.5 General purpose bit 11 will not imply any encoding of file content or\r
-password. Values defining character encoding for file content or \r
-password must be stored within the 0x0008 Extended Language Encoding \r
-Extra Field.\r
-\r
-D.6 Ed Gordon of the Info-ZIP group has defined a pair of "extra field" records \r
-that can be used to store UTF-8 file name and file comment fields. These\r
-records can be used for cases when the general purpose bit 11 method\r
-for storing UTF-8 data in the standard file name and comment fields is\r
-not desirable. A common case for this alternate method is if backward\r
-compatibility with older programs is required.\r
-\r
-D.7 Definitions for the record structure of these fields are included above \r
-in the section on 3rd party mappings for "extra field" records. These\r
-records are identified by Header ID's 0x6375 (Info-ZIP Unicode Comment \r
-Extra Field) and 0x7075 (Info-ZIP Unicode Path Extra Field).\r
-\r
-D.8 The choice of which storage method to use when writing a ZIP file is left\r
-to the implementation. Developers should expect that a ZIP file may \r
-contain either method and should provide support for reading data in \r
-either format. Use of general purpose bit 11 reduces storage requirements \r
-for file name data by not requiring additional "extra field" data for\r
-each file, but can result in older ZIP programs not being able to extract \r
-files. Use of the 0x6375 and 0x7075 records will result in a ZIP file \r
-that should always be readable by older ZIP programs, but requires more \r
-storage per file to write file name and/or file comment fields.\r
+++ /dev/null
-The following are the known types of zipfile extra fields as of this
-writing. Extra fields are documented in PKWARE's appnote.txt and are
-intended to allow for backward- and forward-compatible extensions to
-the zipfile format. Multiple extra-field types may be chained together,
-provided that the total length of all extra-field data is less than 64KB.
-(In fact, PKWARE requires that the total length of the entire file header,
-including timestamp, file attributes, filename, comment, extra field, etc.,
-be no more than 64KB.)
-
-Each extra-field type (or subblock) must contain a four-byte header con-
-sisting of a two-byte header ID and a two-byte length (little-endian) for
-the remaining data in the subblock. If there are additional subblocks
-within the extra field, the header for each one will appear immediately
-following the data for the previous subblock (i.e., with no padding for
-alignment).
-
-All integer fields in the descriptions below are in little-endian (Intel)
-format unless otherwise specified. Note that "Short" means two bytes,
-"Long" means four bytes, and "Long-Long" means eight bytes, regardless
-of their native sizes. Unless specifically noted, all integer fields should
-be interpreted as unsigned (non-negative) numbers.
-
-Christian Spieler, 20010517
-
-Updated to include the Unicode extra fields. Added new Unix extra field.
-
-Ed Gordon, 20060819, 20070607, 20070909, 20080426, 20080509
-
- -------------------------
-
- Header ID's of 0 thru 31 are reserved for use by PKWARE.
- The remaining ID's can be used by third party vendors for
- proprietary usage.
-
- The current Header ID mappings defined by PKWARE are:
-
- 0x0001 ZIP64 extended information extra field
- 0x0007 AV Info
- 0x0009 OS/2 extended attributes (also Info-ZIP)
- 0x000a NTFS (Win9x/WinNT FileTimes)
- 0x000c OpenVMS (also Info-ZIP)
- 0x000d Unix
- 0x000f Patch Descriptor
- 0x0014 PKCS#7 Store for X.509 Certificates
- 0x0015 X.509 Certificate ID and Signature for
- individual file
- 0x0016 X.509 Certificate ID for Central Directory
-
- The Header ID mappings defined by Info-ZIP and third parties are:
-
- 0x0065 IBM S/390 attributes - uncompressed
- 0x0066 IBM S/390 attributes - compressed
- 0x07c8 Info-ZIP Macintosh (old, J. Lee)
- 0x2605 ZipIt Macintosh (first version)
- 0x2705 ZipIt Macintosh v 1.3.5 and newer (w/o full filename)
- 0x334d Info-ZIP Macintosh (new, D. Haase's 'Mac3' field )
- 0x4154 Tandem NSK
- 0x4341 Acorn/SparkFS (David Pilling)
- 0x4453 Windows NT security descriptor (binary ACL)
- 0x4704 VM/CMS
- 0x470f MVS
- 0x4854 Theos, old inofficial port
- 0x4b46 FWKCS MD5 (see below)
- 0x4c41 OS/2 access control list (text ACL)
- 0x4d49 Info-ZIP OpenVMS (obsolete)
- 0x4d63 Macintosh SmartZIP, by Macro Bambini
- 0x4f4c Xceed original location extra field
- 0x5356 AOS/VS (binary ACL)
- 0x5455 extended timestamp
- 0x5855 Info-ZIP Unix (original; also OS/2, NT, etc.)
- 0x554e Xceed unicode extra field
- 0x6375 Info-ZIP Unicode Comment
- 0x6542 BeOS (BeBox, PowerMac, etc.)
- 0x6854 Theos
- 0x7075 Info-ZIP Unicode Path
- 0x756e ASi Unix
- 0x7855 Info-ZIP Unix (previous new)
- 0x7875 Info-ZIP Unix (new)
- 0xfb4a SMS/QDOS
-
-The following are detailed descriptions of the known extra-field block types:
-
- -OS/2 Extended Attributes Extra Field:
- ====================================
-
- The following is the layout of the OS/2 extended attributes "extra"
- block. (Last Revision 19960922)
-
- Note: all fields stored in Intel low-byte/high-byte order.
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (OS/2) 0x0009 Short tag for this extra block type
- TSize Short total data size for this block
- BSize Long uncompressed EA data size
- CType Short compression type
- EACRC Long CRC value for uncompressed EA data
- (var.) variable compressed EA data
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (OS/2) 0x0009 Short tag for this extra block type
- TSize Short total data size for this block (4)
- BSize Long size of uncompressed local EA data
-
- The value of CType is interpreted according to the "compression
- method" section above; i.e., 0 for stored, 8 for deflated, etc.
-
- The OS/2 extended attribute structure (FEA2LIST) is compressed and
- then stored in its entirety within this structure. There will only
- ever be one block of data in the variable-length field.
-
-
- -OS/2 Access Control List Extra Field:
- ====================================
-
- The following is the layout of the OS/2 ACL extra block.
- (Last Revision 19960922)
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (ACL) 0x4c41 Short tag for this extra block type ("AL")
- TSize Short total data size for this block
- BSize Long uncompressed ACL data size
- CType Short compression type
- EACRC Long CRC value for uncompressed ACL data
- (var.) variable compressed ACL data
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (ACL) 0x4c41 Short tag for this extra block type ("AL")
- TSize Short total data size for this block (4)
- BSize Long size of uncompressed local ACL data
-
- The value of CType is interpreted according to the "compression
- method" section above; i.e., 0 for stored, 8 for deflated, etc.
-
- The uncompressed ACL data consist of a text header of the form
- "ACL1:%hX,%hd\n", where the first field is the OS/2 ACCINFO acc_attr
- member and the second is acc_count, followed by acc_count strings
- of the form "%s,%hx\n", where the first field is acl_ugname (user
- group name) and the second acl_access. This block type will be
- extended for other operating systems as needed.
-
-
- -Windows NT Security Descriptor Extra Field:
- ==========================================
-
- The following is the layout of the NT Security Descriptor (another
- type of ACL) extra block. (Last Revision 19960922)
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (SD) 0x4453 Short tag for this extra block type ("SD")
- TSize Short total data size for this block
- BSize Long uncompressed SD data size
- Version Byte version of uncompressed SD data format
- CType Short compression type
- EACRC Long CRC value for uncompressed SD data
- (var.) variable compressed SD data
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (SD) 0x4453 Short tag for this extra block type ("SD")
- TSize Short total data size for this block (4)
- BSize Long size of uncompressed local SD data
-
- The value of CType is interpreted according to the "compression
- method" section above; i.e., 0 for stored, 8 for deflated, etc.
- Version specifies how the compressed data are to be interpreted
- and allows for future expansion of this extra field type. Currently
- only version 0 is defined.
-
- For version 0, the compressed data are to be interpreted as a single
- valid Windows NT SECURITY_DESCRIPTOR data structure, in self-relative
- format.
-
-
- -PKWARE Win95/WinNT Extra Field:
- ==============================
-
- The following description covers PKWARE's "NTFS" attributes
- "extra" block, introduced with the release of PKZIP 2.50 for
- Windows. (Last Revision 20001118)
-
- (Note: At this time the Mtime, Atime and Ctime values may
- be used on any WIN32 system.)
- [Info-ZIP note: In the current implementations, this field has
- a fixed total data size of 32 bytes and is only stored as local
- extra field.]
-
- Value Size Description
- ----- ---- -----------
- (NTFS) 0x000a Short Tag for this "extra" block type
- TSize Short Total Data Size for this block
- Reserved Long for future use
- Tag1 Short NTFS attribute tag value #1
- Size1 Short Size of attribute #1, in bytes
- (var.) SubSize1 Attribute #1 data
- .
- .
- .
- TagN Short NTFS attribute tag value #N
- SizeN Short Size of attribute #N, in bytes
- (var.) SubSize1 Attribute #N data
-
- For NTFS, values for Tag1 through TagN are as follows:
- (currently only one set of attributes is defined for NTFS)
-
- Tag Size Description
- ----- ---- -----------
- 0x0001 2 bytes Tag for attribute #1
- Size1 2 bytes Size of attribute #1, in bytes (24)
- Mtime 8 bytes 64-bit NTFS file last modification time
- Atime 8 bytes 64-bit NTFS file last access time
- Ctime 8 bytes 64-bit NTFS file creation time
-
- The total length for this block is 28 bytes, resulting in a
- fixed size value of 32 for the TSize field of the NTFS block.
-
- The NTFS filetimes are 64-bit unsigned integers, stored in Intel
- (least significant byte first) byte order. They determine the
- number of 1.0E-07 seconds (1/10th microseconds!) past WinNT "epoch",
- which is "01-Jan-1601 00:00:00 UTC".
-
-
- -PKWARE OpenVMS Extra Field:
- ==========================
-
- The following is the layout of PKWARE's OpenVMS attributes "extra"
- block. (Last Revision 12/17/91)
-
- Note: all fields stored in Intel low-byte/high-byte order.
-
- Value Size Description
- ----- ---- -----------
- (VMS) 0x000c Short Tag for this "extra" block type
- TSize Short Total Data Size for this block
- CRC Long 32-bit CRC for remainder of the block
- Tag1 Short OpenVMS attribute tag value #1
- Size1 Short Size of attribute #1, in bytes
- (var.) Size1 Attribute #1 data
- .
- .
- .
- TagN Short OpenVMS attribute tage value #N
- SizeN Short Size of attribute #N, in bytes
- (var.) SizeN Attribute #N data
-
- Rules:
-
- 1. There will be one or more of attributes present, which
- will each be preceded by the above TagX & SizeX values.
- These values are identical to the ATR$C_XXXX and
- ATR$S_XXXX constants which are defined in ATR.H under
- OpenVMS C. Neither of these values will ever be zero.
-
- 2. No word alignment or padding is performed.
-
- 3. A well-behaved PKZIP/OpenVMS program should never produce
- more than one sub-block with the same TagX value. Also,
- there will never be more than one "extra" block of type
- 0x000c in a particular directory record.
-
-
- -Info-ZIP VMS Extra Field:
- ========================
-
- The following is the layout of Info-ZIP's VMS attributes extra
- block for VAX or Alpha AXP. The local-header and central-header
- versions are identical. (Last Revision 19960922)
-
- Value Size Description
- ----- ---- -----------
- (VMS2) 0x4d49 Short tag for this extra block type ("JM")
- TSize Short total data size for this block
- ID Long block ID
- Flags Short info bytes
- BSize Short uncompressed block size
- Reserved Long (reserved)
- (var.) variable compressed VMS file-attributes block
-
- The block ID is one of the following unterminated strings:
-
- "VFAB" struct FAB
- "VALL" struct XABALL
- "VFHC" struct XABFHC
- "VDAT" struct XABDAT
- "VRDT" struct XABRDT
- "VPRO" struct XABPRO
- "VKEY" struct XABKEY
- "VMSV" version (e.g., "V6.1"; truncated at hyphen)
- "VNAM" reserved
-
- The lower three bits of Flags indicate the compression method. The
- currently defined methods are:
-
- 0 stored (not compressed)
- 1 simple "RLE"
- 2 deflated
-
- The "RLE" method simply replaces zero-valued bytes with zero-valued
- bits and non-zero-valued bytes with a "1" bit followed by the byte
- value.
-
- The variable-length compressed data contains only the data corre-
- sponding to the indicated structure or string. Typically multiple
- VMS2 extra fields are present (each with a unique block type).
-
-
- -Info-ZIP Macintosh Extra Field:
- ==============================
-
- The following is the layout of the (old) Info-ZIP resource-fork extra
- block for Macintosh. The local-header and central-header versions
- are identical. (Last Revision 19960922)
-
- Value Size Description
- ----- ---- -----------
- (Mac) 0x07c8 Short tag for this extra block type
- TSize Short total data size for this block
- "JLEE" beLong extra-field signature
- FInfo 16 bytes Macintosh FInfo structure
- CrDat beLong HParamBlockRec fileParam.ioFlCrDat
- MdDat beLong HParamBlockRec fileParam.ioFlMdDat
- Flags beLong info bits
- DirID beLong HParamBlockRec fileParam.ioDirID
- VolName 28 bytes volume name (optional)
-
- All fields but the first two are in native Macintosh format
- (big-endian Motorola order, not little-endian Intel). The least
- significant bit of Flags is 1 if the file is a data fork, 0 other-
- wise. In addition, if this extra field is present, the filename
- has an extra 'd' or 'r' appended to indicate data fork or resource
- fork. The 28-byte VolName field may be omitted.
-
-
- -ZipIt Macintosh Extra Field (long):
- ==================================
-
- The following is the layout of the ZipIt extra block for Macintosh.
- The local-header and central-header versions are identical.
- (Last Revision 19970130)
-
- Value Size Description
- ----- ---- -----------
- (Mac2) 0x2605 Short tag for this extra block type
- TSize Short total data size for this block
- "ZPIT" beLong extra-field signature
- FnLen Byte length of FileName
- FileName variable full Macintosh filename
- FileType Byte[4] four-byte Mac file type string
- Creator Byte[4] four-byte Mac creator string
-
-
- -ZipIt Macintosh Extra Field (short):
- ===================================
-
- The following is the layout of a shortened variant of the
- ZipIt extra block for Macintosh (without "full name" entry).
- This variant is used by ZipIt 1.3.5 and newer for entries that
- do not need a "full Mac filename" record.
- The local-header and central-header versions are identical.
- (Last Revision 19980903)
-
- Value Size Description
- ----- ---- -----------
- (Mac2b) 0x2705 Short tag for this extra block type
- TSize Short total data size for this block (12)
- "ZPIT" beLong extra-field signature
- FileType Byte[4] four-byte Mac file type string
- Creator Byte[4] four-byte Mac creator string
-
-
- -Info-ZIP Macintosh Extra Field (new):
- ====================================
-
- The following is the layout of the (new) Info-ZIP extra
- block for Macintosh, designed by Dirk Haase.
- All values are in little-endian.
- (Last Revision 19981005)
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (Mac3) 0x334d Short tag for this extra block type ("M3")
- TSize Short total data size for this block
- BSize Long uncompressed finder attribute data size
- Flags Short info bits
- fdType Byte[4] Type of the File (4-byte string)
- fdCreator Byte[4] Creator of the File (4-byte string)
- (CType) Short compression type
- (CRC) Long CRC value for uncompressed MacOS data
- Attribs variable finder attribute data (see below)
-
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (Mac3) 0x334d Short tag for this extra block type ("M3")
- TSize Short total data size for this block
- BSize Long uncompressed finder attribute data size
- Flags Short info bits
- fdType Byte[4] Type of the File (4-byte string)
- fdCreator Byte[4] Creator of the File (4-byte string)
-
- The third bit of Flags in both headers indicates whether
- the LOCAL extra field is uncompressed (and therefore whether CType
- and CRC are omitted):
-
- Bits of the Flags:
- bit 0 if set, file is a data fork; otherwise unset
- bit 1 if set, filename will be not changed
- bit 2 if set, Attribs is uncompressed (no CType, CRC)
- bit 3 if set, date and times are in 64 bit
- if zero date and times are in 32 bit.
- bit 4 if set, timezone offsets fields for the native
- Mac times are omitted (UTC support deactivated)
- bits 5-15 reserved;
-
-
- Attributes:
-
- Attribs is a Mac-specific block of data in little-endian format with
- the following structure (if compressed, uncompress it first):
-
- Value Size Description
- ----- ---- -----------
- fdFlags Short Finder Flags
- fdLocation.v Short Finder Icon Location
- fdLocation.h Short Finder Icon Location
- fdFldr Short Folder containing file
-
- FXInfo 16 bytes Macintosh FXInfo structure
- FXInfo-Structure:
- fdIconID Short
- fdUnused[3] Short unused but reserved 6 bytes
- fdScript Byte Script flag and number
- fdXFlags Byte More flag bits
- fdComment Short Comment ID
- fdPutAway Long Home Dir ID
-
- FVersNum Byte file version number
- may be not used by MacOS
- ACUser Byte directory access rights
-
- FlCrDat ULong date and time of creation
- FlMdDat ULong date and time of last modification
- FlBkDat ULong date and time of last backup
- These time numbers are original Mac FileTime values (local time!).
- Currently, date-time width is 32-bit, but future version may
- support be 64-bit times (see flags)
-
- CrGMTOffs Long(signed!) difference "local Creat. time - UTC"
- MdGMTOffs Long(signed!) difference "local Modif. time - UTC"
- BkGMTOffs Long(signed!) difference "local Backup time - UTC"
- These "local time - UTC" differences (stored in seconds) may be
- used to support timestamp adjustment after inter-timezone transfer.
- These fields are optional; bit 4 of the flags word controls their
- presence.
-
- Charset Short TextEncodingBase (Charset)
- valid for the following two fields
-
- FullPath variable Path of the current file.
- Zero terminated string (C-String)
- Currently coded in the native Charset.
-
- Comment variable Finder Comment of the current file.
- Zero terminated string (C-String)
- Currently coded in the native Charset.
-
-
- -SmartZIP Macintosh Extra Field:
- ====================================
-
- The following is the layout of the SmartZIP extra
- block for Macintosh, designed by Marco Bambini.
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- 0x4d63 Short tag for this extra block type ("cM")
- TSize Short total data size for this block (64)
- "dZip" beLong extra-field signature
- fdType Byte[4] Type of the File (4-byte string)
- fdCreator Byte[4] Creator of the File (4-byte string)
- fdFlags beShort Finder Flags
- fdLocation.v beShort Finder Icon Location
- fdLocation.h beShort Finder Icon Location
- fdFldr beShort Folder containing file
- CrDat beLong HParamBlockRec fileParam.ioFlCrDat
- MdDat beLong HParamBlockRec fileParam.ioFlMdDat
- frScroll.v Byte vertical pos. of folder's scroll bar
- fdScript Byte Script flag and number
- frScroll.h Byte horizontal pos. of folder's scroll bar
- fdXFlags Byte More flag bits
- FileName Byte[32] full Macintosh filename (pascal string)
-
- All fields but the first two are in native Macintosh format
- (big-endian Motorola order, not little-endian Intel).
- The extra field size is fixed to 64 bytes.
- The local-header and central-header versions are identical.
-
-
- -Acorn SparkFS Extra Field:
- =========================
-
- The following is the layout of David Pilling's SparkFS extra block
- for Acorn RISC OS. The local-header and central-header versions are
- identical. (Last Revision 19960922)
-
- Value Size Description
- ----- ---- -----------
- (Acorn) 0x4341 Short tag for this extra block type ("AC")
- TSize Short total data size for this block (20)
- "ARC0" Long extra-field signature
- LoadAddr Long load address or file type
- ExecAddr Long exec address
- Attr Long file permissions
- Zero Long reserved; always zero
-
- The following bits of Attr are associated with the given file
- permissions:
-
- bit 0 user-writable ('W')
- bit 1 user-readable ('R')
- bit 2 reserved
- bit 3 locked ('L')
- bit 4 publicly writable ('w')
- bit 5 publicly readable ('r')
- bit 6 reserved
- bit 7 reserved
-
-
- -VM/CMS Extra Field:
- ==================
-
- The following is the layout of the file-attributes extra block for
- VM/CMS. The local-header and central-header versions are
- identical. (Last Revision 19960922)
-
- Value Size Description
- ----- ---- -----------
- (VM/CMS) 0x4704 Short tag for this extra block type
- TSize Short total data size for this block
- flData variable file attributes data
-
- flData is an uncompressed fldata_t struct.
-
-
- -MVS Extra Field:
- ===============
-
- The following is the layout of the file-attributes extra block for
- MVS. The local-header and central-header versions are identical.
- (Last Revision 19960922)
-
- Value Size Description
- ----- ---- -----------
- (MVS) 0x470f Short tag for this extra block type
- TSize Short total data size for this block
- flData variable file attributes data
-
- flData is an uncompressed fldata_t struct.
-
-
- -PKWARE Unix Extra Field:
- ========================
-
- The following is the layout of PKWARE's Unix "extra" block.
- It was introduced with the release of PKZIP for Unix 2.50.
- Note: all fields are stored in Intel low-byte/high-byte order.
- (Last Revision 19980901)
-
- This field has a minimum data size of 12 bytes and is only stored
- as local extra field.
-
- Value Size Description
- ----- ---- -----------
- (Unix0) 0x000d Short Tag for this "extra" block type
- TSize Short Total Data Size for this block
- AcTime Long time of last access (UTC/GMT)
- ModTime Long time of last modification (UTC/GMT)
- UID Short Unix user ID
- GID Short Unix group ID
- (var) variable Variable length data field
-
- The variable length data field will contain file type
- specific data. Currently the only values allowed are
- the original "linked to" file names for hard or symbolic
- links, and the major and minor device node numbers for
- character and block device nodes. Since device nodes
- cannot be either symbolic or hard links, only one set of
- variable length data is stored. Link files will have the
- name of the original file stored. This name is NOT NULL
- terminated. Its size can be determined by checking TSize -
- 12. Device entries will have eight bytes stored as two 4
- byte entries (in little-endian format). The first entry
- will be the major device number, and the second the minor
- device number.
-
- [Info-ZIP note: The fixed part of this field has the same layout as
- Info-ZIP's abandoned "Unix1 timestamps & owner ID info" extra field;
- only the two tag bytes are different.]
-
-
- -PATCH Descriptor Extra Field:
- ============================
-
- The following is the layout of the Patch Descriptor "extra"
- block.
-
- Note: all fields stored in Intel low-byte/high-byte order.
-
- Value Size Description
- ----- ---- -----------
- (Patch) 0x000f Short Tag for this "extra" block type
- TSize Short Size of the total "extra" block
- Version Short Version of the descriptor
- Flags Long Actions and reactions (see below)
- OldSize Long Size of the file about to be patched
- OldCRC Long 32-bit CRC of the file about to be patched
- NewSize Long Size of the resulting file
- NewCRC Long 32-bit CRC of the resulting file
-
-
- Actions and reactions
-
- Bits Description
- ---- ----------------
- 0 Use for autodetection
- 1 Treat as selfpatch
- 2-3 RESERVED
- 4-5 Action (see below)
- 6-7 RESERVED
- 8-9 Reaction (see below) to absent file
- 10-11 Reaction (see below) to newer file
- 12-13 Reaction (see below) to unknown file
- 14-15 RESERVED
- 16-31 RESERVED
-
- Actions
-
- Action Value
- ------ -----
- none 0
- add 1
- delete 2
- patch 3
-
- Reactions
-
- Reaction Value
- -------- -----
- ask 0
- skip 1
- ignore 2
- fail 3
-
-
- -PKCS#7 Store for X.509 Certificates:
- ===================================
-
- This field is contains the information about each
- certificate a file is signed with. This field should only
- appear in the first central directory record, and will be
- ignored in any other record.
-
- Note: all fields stored in Intel low-byte/high-byte order.
-
- Value Size Description
- ----- ---- -----------
- (Store) 0x0014 2 bytes Tag for this "extra" block type
- SSize 2 bytes Size of the store data
- SData (variable) Data about the store
-
- SData
- Value Size Description
- ----- ---- -----------
- Version 2 bytes Version number, 0x0001 for now
- StoreD (variable) Actual store data
-
- The StoreD member is suitable for passing as the pbData
- member of a CRYPT_DATA_BLOB to the CertOpenStore() function
- in Microsoft's CryptoAPI. The SSize member above will be
- cbData + 6, where cbData is the cbData member of the same
- CRYPT_DATA_BLOB. The encoding type to pass to
- CertOpenStore() should be
- PKCS_7_ANS_ENCODING | X509_ASN_ENCODING.
-
-
- -X.509 Certificate ID and Signature for individual file:
- ======================================================
-
- This field contains the information about which certificate
- in the PKCS#7 Store was used to sign the particular file.
- It also contains the signature data. This field can appear
- multiple times, but can only appear once per certificate.
-
- Note: all fields stored in Intel low-byte/high-byte order.
-
- Value Size Description
- ----- ---- -----------
- (CID) 0x0015 2 bytes Tag for this "extra" block type
- CSize 2 bytes Size of Method
- Method (variable)
-
- Method
- Value Size Description
- ----- ---- -----------
- Version 2 bytes Version number, for now 0x0001
- AlgID 2 bytes Algorithm ID used for signing
- IDSize 2 bytes Size of Certificate ID data
- CertID (variable) Certificate ID data
- SigSize 2 bytes Size of Signature data
- Sig (variable) Signature data
-
- CertID
- Value Size Description
- ----- ---- -----------
- Size1 4 bytes Size of CertID, should be (IDSize - 4)
- Size1 4 bytes A bug in version one causes this value
- to appear twice.
- IssSize 4 bytes Issuer data size
- Issuer (variable) Issuer data
- SerSize 4 bytes Serial Number size
- Serial (variable) Serial Number data
-
- The Issuer and IssSize members are suitable for creating a
- CRYPT_DATA_BLOB to be the Issuer member of a CERT_INFO
- struct. The Serial and SerSize members would be the
- SerialNumber member of the same CERT_INFO struct. This
- struct would be used to find the certificate in the store
- the file was signed with. Those structures are from the MS
- CryptoAPI.
-
- Sig and SigSize are the actual signature data and size
- generated by signing the file with the MS CryptoAPI using a
- hash created with the given AlgID.
-
-
- -X.509 Certificate ID and Signature for central directory:
- ========================================================
-
- This field contains the information about which certificate
- in the PKCS#7 Store was used to sign the central directory.
- It should only appear with the first central directory
- record, along with the store. The data structure is the
- same as the CID, except that SigSize will be 0, and there
- will be no Sig member.
-
- This field is also kept after the last central directory
- record, as the signature data (ID 0x05054b50, it looks like
- a central directory record of a different type). This
- second copy of the data is the Signature Data member of the
- record, and will have a SigSize that is non-zero, and will
- have Sig data.
-
- Note: all fields stored in Intel low-byte/high-byte order.
-
- Value Size Description
- ----- ---- -----------
- (CDID) 0x0016 2 bytes Tag for this "extra" block type
- CSize 2 bytes Size of Method
- Method (variable)
-
-
- -ZIP64 Extended Information Extra Field:
- ======================================
-
- The following is the layout of the ZIP64 extended
- information "extra" block. If one of the size or
- offset fields in the Local or Central directory
- record is too small to hold the required data,
- a ZIP64 extended information record is created.
- The order of the fields in the ZIP64 extended
- information record is fixed, but the fields will
- only appear if the corresponding Local or Central
- directory record field is set to 0xFFFF or 0xFFFFFFFF.
-
- Note: all fields stored in Intel low-byte/high-byte order.
-
- Value Size Description
- ----- ---- -----------
- (ZIP64) 0x0001 2 bytes Tag for this "extra" block type
- Size 2 bytes Size of this "extra" block
- Original
- Size 8 bytes Original uncompresseed file size
- Compressed
- Size 8 bytes Size of compressed data
- Relative Header
- Offset 8 bytes Offset of local header record
- Disk Start
- Number 4 bytes Number of the disk on which
- this file starts
-
- This entry in the Local header must include BOTH original
- and compressed file sizes.
-
-
- -Extended Timestamp Extra Field:
- ==============================
-
- The following is the layout of the extended-timestamp extra block.
- (Last Revision 19970118)
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (time) 0x5455 Short tag for this extra block type ("UT")
- TSize Short total data size for this block
- Flags Byte info bits
- (ModTime) Long time of last modification (UTC/GMT)
- (AcTime) Long time of last access (UTC/GMT)
- (CrTime) Long time of original creation (UTC/GMT)
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (time) 0x5455 Short tag for this extra block type ("UT")
- TSize Short total data size for this block
- Flags Byte info bits (refers to local header!)
- (ModTime) Long time of last modification (UTC/GMT)
-
- The central-header extra field contains the modification time only,
- or no timestamp at all. TSize is used to flag its presence or
- absence. But note:
-
- If "Flags" indicates that Modtime is present in the local header
- field, it MUST be present in the central header field, too!
- This correspondence is required because the modification time
- value may be used to support trans-timezone freshening and
- updating operations with zip archives.
-
- The time values are in standard Unix signed-long format, indicating
- the number of seconds since 1 January 1970 00:00:00. The times
- are relative to Coordinated Universal Time (UTC), also sometimes
- referred to as Greenwich Mean Time (GMT). To convert to local time,
- the software must know the local timezone offset from UTC/GMT.
-
- The lower three bits of Flags in both headers indicate which time-
- stamps are present in the LOCAL extra field:
-
- bit 0 if set, modification time is present
- bit 1 if set, access time is present
- bit 2 if set, creation time is present
- bits 3-7 reserved for additional timestamps; not set
-
- Those times that are present will appear in the order indicated, but
- any combination of times may be omitted. (Creation time may be
- present without access time, for example.) TSize should equal
- (1 + 4*(number of set bits in Flags)), as the block is currently
- defined. Other timestamps may be added in the future.
-
-
- -Info-ZIP Unix Extra Field (type 1):
- ==================================
-
- The following is the layout of the old Info-ZIP extra block for
- Unix. It has been replaced by the extended-timestamp extra block
- (0x5455) and the Unix type 2 extra block (0x7855).
- (Last Revision 19970118)
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (Unix1) 0x5855 Short tag for this extra block type ("UX")
- TSize Short total data size for this block
- AcTime Long time of last access (UTC/GMT)
- ModTime Long time of last modification (UTC/GMT)
- UID Short Unix user ID (optional)
- GID Short Unix group ID (optional)
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (Unix1) 0x5855 Short tag for this extra block type ("UX")
- TSize Short total data size for this block
- AcTime Long time of last access (GMT/UTC)
- ModTime Long time of last modification (GMT/UTC)
-
- The file access and modification times are in standard Unix signed-
- long format, indicating the number of seconds since 1 January 1970
- 00:00:00. The times are relative to Coordinated Universal Time
- (UTC), also sometimes referred to as Greenwich Mean Time (GMT). To
- convert to local time, the software must know the local timezone
- offset from UTC/GMT. The modification time may be used by non-Unix
- systems to support inter-timezone freshening and updating of zip
- archives.
-
- The local-header extra block may optionally contain UID and GID
- info for the file. The local-header TSize value is the only
- indication of this. Note that Unix UIDs and GIDs are usually
- specific to a particular machine, and they generally require root
- access to restore.
-
- This extra field type is obsolete, but it has been in use since
- mid-1994. Therefore future archiving software should continue to
- support it. Some guidelines:
-
- An archive member should either contain the old "Unix1"
- extra field block or the new extra field types "time" and/or
- "Unix2".
-
- If both the old "Unix1" block type and one or both of the new
- block types "time" and "Unix2" are found, the "Unix1" block
- should be considered invalid and ignored.
-
- Unarchiving software should recognize both old and new extra
- field block types, but the info from new types overrides the
- old "Unix1" field.
-
- Archiving software should recognize "Unix1" extra fields for
- timestamp comparison but never create it for updated, freshened
- or new archive members. When copying existing members to a new
- archive, any "Unix1" extra field blocks should be converted to
- the new "time" and/or "Unix2" types.
-
-
- -Info-ZIP Unix Extra Field (type 2):
- ==================================
-
- The following is the layout of the new Info-ZIP extra block for
- Unix. (Last Revision 19960922)
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (Unix2) 0x7855 Short tag for this extra block type ("Ux")
- TSize Short total data size for this block (4)
- UID Short Unix user ID
- GID Short Unix group ID
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (Unix2) 0x7855 Short tag for this extra block type ("Ux")
- TSize Short total data size for this block (0)
-
- The data size of the central-header version is zero; it is used
- solely as a flag that UID/GID info is present in the local-header
- extra field. If additional fields are ever added to the local
- version, the central version may be extended to indicate this.
-
- Note that Unix UIDs and GIDs are usually specific to a particular
- machine, and they generally require root access to restore.
-
-
- -ASi Unix Extra Field:
- ====================
-
- The following is the layout of the ASi extra block for Unix. The
- local-header and central-header versions are identical.
- (Last Revision 19960916)
-
- Value Size Description
- ----- ---- -----------
- (Unix3) 0x756e Short tag for this extra block type ("nu")
- TSize Short total data size for this block
- CRC Long CRC-32 of the remaining data
- Mode Short file permissions
- SizDev Long symlink'd size OR major/minor dev num
- UID Short user ID
- GID Short group ID
- (var.) variable symbolic link filename
-
- Mode is the standard Unix st_mode field from struct stat, containing
- user/group/other permissions, setuid/setgid and symlink info, etc.
-
- If Mode indicates that this file is a symbolic link, SizDev is the
- size of the file to which the link points. Otherwise, if the file
- is a device, SizDev contains the standard Unix st_rdev field from
- struct stat (includes the major and minor numbers of the device).
- SizDev is undefined in other cases.
-
- If Mode indicates that the file is a symbolic link, the final field
- will be the name of the file to which the link points. The file-
- name length can be inferred from TSize.
-
- [Note that TSize may incorrectly refer to the data size not counting
- the CRC; i.e., it may be four bytes too small.]
-
-
- -BeOS Extra Field:
- ================
-
- The following is the layout of the file-attributes extra block for
- BeOS. (Last Revision 19970531)
-
- Local-header version:
-
- Value Size Description
- ----- ---- -----------
- (BeOS) 0x6542 Short tag for this extra block type ("Be")
- TSize Short total data size for this block
- BSize Long uncompressed file attribute data size
- Flags Byte info bits
- (CType) Short compression type
- (CRC) Long CRC value for uncompressed file attribs
- Attribs variable file attribute data
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (BeOS) 0x6542 Short tag for this extra block type ("Be")
- TSize Short total data size for this block (5)
- BSize Long size of uncompr. local EF block data
- Flags Byte info bits
-
- The least significant bit of Flags in both headers indicates whether
- the LOCAL extra field is uncompressed (and therefore whether CType
- and CRC are omitted):
-
- bit 0 if set, Attribs is uncompressed (no CType, CRC)
- bits 1-7 reserved; if set, assume error or unknown data
-
- Currently the only supported compression types are deflated (type 8)
- and stored (type 0); the latter is not used by Info-ZIP's Zip but is
- supported by UnZip.
-
- Attribs is a BeOS-specific block of data in big-endian format with
- the following structure (if compressed, uncompress it first):
-
- Value Size Description
- ----- ---- -----------
- Name variable attribute name (null-terminated string)
- Type Long attribute type (32-bit unsigned integer)
- Size Long Long data size for this sub-block (64 bits)
- Data variable attribute data
-
- The attribute structure is repeated for every attribute. The Data
- field may contain anything--text, flags, bitmaps, etc.
-
-
- -SMS/QDOS Extra Field:
- ====================
-
- The following is the layout of the file-attributes extra block for
- SMS/QDOS. The local-header and central-header versions are identical.
- (Last Revision 19960929)
-
- Value Size Description
- ----- ---- -----------
- (QDOS) 0xfb4a Short tag for this extra block type
- TSize Short total data size for this block
- LongID Long extra-field signature
- (ExtraID) Long additional signature/flag bytes
- QDirect 64 bytes qdirect structure
-
- LongID may be "QZHD" or "QDOS". In the latter case, ExtraID will
- be present. Its first three bytes are "02\0"; the last byte is
- currently undefined.
-
- QDirect contains the file's uncompressed directory info (qdirect
- struct). Its elements are in native (big-endian) format:
-
- d_length beLong file length
- d_access byte file access type
- d_type byte file type
- d_datalen beLong data length
- d_reserved beLong unused
- d_szname beShort size of filename
- d_name 36 bytes filename
- d_update beLong time of last update
- d_refdate beLong file version number
- d_backup beLong time of last backup (archive date)
-
-
- -AOS/VS Extra Field:
- ==================
-
- The following is the layout of the extra block for Data General
- AOS/VS. The local-header and central-header versions are identical.
- (Last Revision 19961125)
-
- Value Size Description
- ----- ---- -----------
- (AOSVS) 0x5356 Short tag for this extra block type ("VS")
- TSize Short total data size for this block
- "FCI\0" Long extra-field signature
- Version Byte version of AOS/VS extra block (10 = 1.0)
- Fstat variable fstat packet
- AclBuf variable raw ACL data ($MXACL bytes)
-
- Fstat contains the file's uncompressed fstat packet, which is one of
- the following:
-
- normal fstat packet (P_FSTAT struct)
- DIR/CPD fstat packet (P_FSTAT_DIR struct)
- unit (device) fstat packet (P_FSTAT_UNIT struct)
- IPC file fstat packet (P_FSTAT_IPC struct)
-
- AclBuf contains the raw ACL data; its length is $MXACL.
-
-
- -Tandem NSK Extra Field:
- ======================
-
- The following is the layout of the file-attributes extra block for
- Tandem NSK. The local-header and central-header versions are
- identical. (Last Revision 19981221)
-
- Value Size Description
- ----- ---- -----------
- (TA) 0x4154 Short tag for this extra block type ("TA")
- TSize Short total data size for this block (20)
- NSKattrs 20 Bytes NSK attributes
-
-
- -THEOS Extra Field:
- =================
-
- The following is the layout of the file-attributes extra block for
- Theos. The local-header and central-header versions are identical.
- (Last Revision 19990206)
-
- Value Size Description
- ----- ---- -----------
- (Theos) 0x6854 Short 'Th' signature
- size Short size of extra block
- flags Byte reserved for future use
- filesize Long file size
- fileorg Byte type of file (see below)
- keylen Short key length for indexed and keyed files,
- data segment size for 16 bits programs
- reclen Short record length for indexed,keyed and direct,
- text segment size for 16 bits programs
- filegrow Byte growing factor for indexed,keyed and direct
- protect Byte protections (see below)
- reserved Short reserved for future use
-
- File types
- ==========
-
- 0x80 library (keyed access list of files)
- 0x40 directory
- 0x10 stream file
- 0x08 direct file
- 0x04 keyed file
- 0x02 indexed file
- 0x0e reserved
- 0x01 16 bits real mode program (obsolete)
- 0x21 16 bits protected mode program
- 0x41 32 bits protected mode program
-
- Protection codes
- ================
-
- User protection
- ---------------
- 0x01 non readable
- 0x02 non writable
- 0x04 non executable
- 0x08 non erasable
-
- Other protection
- ----------------
- 0x10 non readable
- 0x20 non writable
- 0x40 non executable Theos before 4.0
- 0x40 modified Theos 4.x
- 0x80 not hidden
-
-
- -THEOS old inofficial Extra Field:
- ================================
-
- The following is the layout of an inoffical former version of a
- Theos file-attributes extra blocks. This layout was never published
- and is no longer created. However, UnZip can optionally support it
- when compiling with the option flag OLD_THEOS_EXTRA defined.
- Both the local-header and central-header versions are identical.
- (Last Revision 19990206)
-
- Value Size Description
- ----- ---- -----------
- (THS0) 0x4854 Short 'TH' signature
- size Short size of extra block
- flags Short reserved for future use
- filesize Long file size
- reclen Short record length for indexed,keyed and direct,
- text segment size for 16 bits programs
- keylen Short key length for indexed and keyed files,
- data segment size for 16 bits programs
- filegrow Byte growing factor for indexed,keyed and direct
- reserved 3 Bytes reserved for future use
-
-
- -FWKCS MD5 Extra Field:
- =====================
-
- The FWKCS Contents_Signature System, used in automatically
- identifying files independent of filename, optionally adds
- and uses an extra field to support the rapid creation of
- an enhanced contents_signature.
- There is no local-header version; the following applies
- only to the central header. (Last Revision 19961207)
-
- Central-header version:
-
- Value Size Description
- ----- ---- -----------
- (MD5) 0x4b46 Short tag for this extra block type ("FK")
- TSize Short total data size for this block (19)
- "MD5" 3 bytes extra-field signature
- MD5hash 16 bytes 128-bit MD5 hash of uncompressed data
- (low byte first)
-
- When FWKCS revises a .ZIP file central directory to add
- this extra field for a file, it also replaces the
- central directory entry for that file's uncompressed
- file length with a measured value.
-
- FWKCS provides an option to strip this extra field, if
- present, from a .ZIP file central directory. In adding
- this extra field, FWKCS preserves .ZIP file Authenticity
- Verification; if stripping this extra field, FWKCS
- preserves all versions of AV through PKZIP version 2.04g.
-
- FWKCS, and FWKCS Contents_Signature System, are
- trademarks of Frederick W. Kantor.
-
- (1) R. Rivest, RFC1321.TXT, MIT Laboratory for Computer
- Science and RSA Data Security, Inc., April 1992.
- ll.76-77: "The MD5 algorithm is being placed in the
- public domain for review and possible adoption as a
- standard."
-
-
- -Info-ZIP Unicode Path Extra Field:
- =================================
-
- Stores the UTF-8 version of the entry path as stored in the
- local header and central directory header.
- (Last Revision 20070912)
-
- Value Size Description
- ----- ---- -----------
- (UPath) 0x7075 Short tag for this extra block type ("up")
- TSize Short total data size for this block
- Version 1 byte version of this extra field, currently 1
- NameCRC32 4 bytes File Name Field CRC32 Checksum
- UnicodeName Variable UTF-8 version of the entry File Name
-
- Currently Version is set to the number 1. If there is a need
- to change this field, the version will be incremented. Changes
- may not be backward compatible so this extra field should not be
- used if the version is not recognized.
-
- The NameCRC32 is the standard zip CRC32 checksum of the File Name
- field in the header. This is used to verify that the header
- File Name field has not changed since the Unicode Path extra field
- was created. This can happen if a utility renames the entry but
- does not update the UTF-8 path extra field. If the CRC check fails,
- this UTF-8 Path Extra Field should be ignored and the File Name field
- in the header used instead.
-
- The UnicodeName is the UTF-8 version of the contents of the File Name
- field in the header. As UnicodeName is defined to be UTF-8, no UTF-8
- byte order mark (BOM) is used. The length of this field is determined
- by subtracting the size of the previous fields from TSize. If both
- the File Name and Comment fields are UTF-8, the new General Purpose
- Bit Flag, bit 11 (Language encoding flag (EFS)), can be used to
- indicate that both the header File Name and Comment fields are UTF-8
- and, in this case, the Unicode Path and Unicode Comment extra fields
- are not needed and should not be created. Note that, for backward
- compatibility, bit 11 should only be used if the native character set
- of the paths and comments being zipped up are already in UTF-8. The
- same method, either bit 11 or extra fields, should be used in both
- the local and central directory headers.
-
-
- -Info-ZIP Unicode Comment Extra Field:
- ====================================
-
- Stores the UTF-8 version of the entry comment as stored in the
- central directory header.
- (Last Revision 20070912)
-
- Value Size Description
- ----- ---- -----------
- (UCom) 0x6375 Short tag for this extra block type ("uc")
- TSize Short total data size for this block
- Version 1 byte version of this extra field, currently 1
- ComCRC32 4 bytes Comment Field CRC32 Checksum
- UnicodeCom Variable UTF-8 version of the entry comment
-
- Currently Version is set to the number 1. If there is a need
- to change this field, the version will be incremented. Changes
- may not be backward compatible so this extra field should not be
- used if the version is not recognized.
-
- The ComCRC32 is the standard zip CRC32 checksum of the Comment
- field in the central directory header. This is used to verify that
- the comment field has not changed since the Unicode Comment extra field
- was created. This can happen if a utility changes the Comment field
- but does not update the UTF-8 Comment extra field. If the CRC check
- fails, this Unicode Comment extra field should be ignored and the
- Comment field in the header used.
-
- The UnicodeCom field is the UTF-8 version of the entry comment field
- in the header. As UnicodeCom is defined to be UTF-8, no UTF-8 byte
- order mark (BOM) is used. The length of this field is determined by
- subtracting the size of the previous fields from TSize. If both the
- File Name and Comment fields are UTF-8, the new General Purpose Bit
- Flag, bit 11 (Language encoding flag (EFS)), can be used to indicate
- both the header File Name and Comment fields are UTF-8 and, in this
- case, the Unicode Path and Unicode Comment extra fields are not
- needed and should not be created. Note that, for backward
- compatibility, bit 11 should only be used if the native character set
- of the paths and comments being zipped up are already in UTF-8. The
- same method, either bit 11 or extra fields, should be used in both
- the local and central directory headers.
-
-
- -Info-ZIP New Unix Extra Field:
- ====================================
-
- Currently stores Unix UIDs/GIDs up to 32 bits.
- (Last Revision 20080509)
-
- Value Size Description
- ----- ---- -----------
- (UnixN) 0x7875 Short tag for this extra block type ("ux")
- TSize Short total data size for this block
- Version 1 byte version of this extra field, currently 1
- UIDSize 1 byte Size of UID field
- UID Variable UID for this entry
- GIDSize 1 byte Size of GID field
- GID Variable GID for this entry
-
- Currently Version is set to the number 1. If there is a need
- to change this field, the version will be incremented. Changes
- may not be backward compatible so this extra field should not be
- used if the version is not recognized.
-
- UIDSize is the size of the UID field in bytes. This size should
- match the size of the UID field on the target OS.
-
- UID is the UID for this entry in standard little endian format.
-
- GIDSize is the size of the GID field in bytes. This size should
- match the size of the GID field on the target OS.
-
- GID is the GID for this entry in standard little endian format.
-
- If both the old 16-bit Unix extra field (tag 0x7855, Info-ZIP Unix)
- and this extra field are present, the values in this extra field
- supercede the values in that extra field.
+++ /dev/null
-noinst_PROGRAMS=in-memory
-
-in_memory_CPPFLAGS=-I${top_srcdir}/lib -I../lib
-in_memory_LDADD=${top_builddir}/lib/libzip.la
-
-EXTRA_DIST= CMakeLists.txt windows-open.c
struct stat st;
FILE *fp;
- if (stat(archive, &st) < 0) {
+ if ((fp=fopen(archive, "r")) == NULL) {
if (errno != ENOENT) {
- fprintf(stderr, "can't stat %s: %s\n", archive, strerror(errno));
+ fprintf(stderr, "can't open %s: %s\n", archive, strerror(errno));
return -1;
}
return 0;
}
+ if (fstat(fileno(fp), &st) < 0) {
+ fprintf(stderr, "can't stat %s: %s\n", archive, strerror(errno));
+ fclose(fp);
+ return -1;
+ }
+
if ((*datap = malloc((size_t)st.st_size)) == NULL) {
fprintf(stderr, "can't allocate buffer\n");
+ fclose(fp);
return -1;
}
- if ((fp=fopen(archive, "r")) == NULL) {
- free(*datap);
- fprintf(stderr, "can't open %s: %s\n", archive, strerror(errno));
- return -1;
- }
-
if (fread(*datap, 1, (size_t)st.st_size, fp) < (size_t)st.st_size) {
- free(*datap);
fprintf(stderr, "can't read %s: %s\n", archive, strerror(errno));
+ free(*datap);
fclose(fp);
return -1;
}
# from http://www.cmake.org/Wiki/CMakeMacroLibtoolFile
MACRO(GET_TARGET_PROPERTY_WITH_DEFAULT _variable _target _property _default_value)
+ GET_TARGET_PROPERTY(${_variable} ${_target} ${_property})
+ IF(${_variable} STREQUAL NOTFOUND)
+ SET(${_variable} ${_default_value})
+ ENDIF()
- GET_TARGET_PROPERTY (${_variable} ${_target} ${_property})
- IF (${_variable} STREQUAL NOTFOUND)
- SET (${_variable} ${_default_value})
- ENDIF (${_variable} STREQUAL NOTFOUND)
-
-ENDMACRO (GET_TARGET_PROPERTY_WITH_DEFAULT)
+ENDMACRO()
MACRO(CREATE_LIBTOOL_FILE _target _install_DIR)
GET_TARGET_PROPERTY(_target_location ${_target} LOCATION)
FILE(APPEND ${_laname} "dlpreopen='${_target_dlpreopen}'\n")
FILE(APPEND ${_laname} "# Directory that this library needs to be installed in:\n")
FILE(APPEND ${_laname} "libdir='${CMAKE_INSTALL_PREFIX}/${_install_DIR}'\n")
- INSTALL( FILES ${_laname} ${_soname}
- DESTINATION ${CMAKE_INSTALL_PREFIX}${_install_DIR})
-ENDMACRO(CREATE_LIBTOOL_FILE)
+ INSTALL( FILES ${_laname} ${_soname} DESTINATION ${CMAKE_INSTALL_PREFIX}${_install_DIR})
+ENDMACRO()
SET(LIBZIP_SOURCES
gladman-fcrypt.c
zip_set_file_compression.c
zip_set_name.c
zip_source_begin_write.c
+ zip_source_begin_write_cloning.c
zip_source_buffer.c
zip_source_call.c
zip_source_close.c
IF(WIN32)
SET(LIBZIP_OPSYS_FILES
- zip_random_win32.c
- zip_source_win32a.c
zip_source_win32handle.c
zip_source_win32utf8.c
zip_source_win32w.c
)
+ IF(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
+ SET(LIBZIP_OPSYS_FILES "${LIBZIP_OPSYS_FILES}"
+ zip_random_uwp.c
+ )
+ ELSE()
+ SET(LIBZIP_OPSYS_FILES "${LIBZIP_OPSYS_FILES}"
+ zip_random_win32.c
+ zip_source_win32a.c
+ )
+ ENDIF()
ELSE(WIN32)
SET(LIBZIP_OPSYS_FILES
zip_random_unix.c
${CMAKE_CURRENT_SOURCE_DIR}/gladman-fcrypt
${CMAKE_CURRENT_BINARY_DIR}/..)
-# TODO: distribute instead?
-#ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zip_err_str.c
-# COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/make_zip_err_str.sh
-# ${CMAKE_CURRENT_SOURCE_DIR}/zip.h
-# ${CMAKE_CURRENT_BINARY_DIR}/zip_err_str.c
-# DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/zip.h
-# ${CMAKE_CURRENT_SOURCE_DIR}/make_zip_err_str.sh
-#)
+ADD_CUSTOM_TARGET(update_zip_err_str
+ COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/make_zip_err_str.sh ${CMAKE_CURRENT_SOURCE_DIR}/zip.h ${CMAKE_CURRENT_SOURCE_DIR}/zip_err_str.c
+ DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/zip.h ${CMAKE_CURRENT_SOURCE_DIR}/make_zip_err_str.sh
+)
CHECK_FUNCTION_EXISTS(mkstemp HAVE_MKSTEMP)
IF(NOT HAVE_MKSTEMP)
SET(LIBZIP_EXTRA_FILES mkstemp.c)
ENDIF(NOT HAVE_MKSTEMP)
ADD_LIBRARY(zip ${LIBZIP_SOURCES} ${LIBZIP_EXTRA_FILES} ${LIBZIP_OPSYS_FILES})
-SET_TARGET_PROPERTIES(zip PROPERTIES VERSION 3.0 SOVERSION 3 )
+SET_TARGET_PROPERTIES(zip PROPERTIES VERSION 5.0 SOVERSION 5)
TARGET_LINK_LIBRARIES(zip ${ZLIB_LIBRARY} ${OPTIONAL_LIBRARY})
INSTALL(TARGETS zip
RUNTIME DESTINATION bin
+++ /dev/null
-# for 'make dist'
-SUBDIRS= gladman-fcrypt
-
-AM_CFLAGS= @CFLAG_VISIBILITY@
-
-lib_LTLIBRARIES = libzip.la
-noinst_HEADERS = zipint.h gladman-fcrypt.h
-include_HEADERS = zip.h
-nodist_include_HEADERS = zipconf.h
-
-# also update CMakeLists.txt when changing version
-libzip_la_LDFLAGS=-no-undefined -version-info 5:0:0
-libzip_la_CPPFLAGS=-I$(srcdir)/gladman-fcrypt
-libzip_la_LIBADD=@LTLIBOBJS@
-
-if WIN32_HOST
-OS_SOURCES=\
- zip_random_win32.c \
- zip_source_win32a.c \
- zip_source_win32handle.c \
- zip_source_win32utf8.c \
- zip_source_win32w.c
-else
-OS_SOURCES=\
- zip_random_unix.c \
- zip_source_file.c
-endif
-
-libzip_la_SOURCES=\
- ${OS_SOURCES} \
- gladman-fcrypt.c \
- zip_add.c \
- zip_add_dir.c \
- zip_add_entry.c \
- zip_algorithm_bzip2.c \
- zip_algorithm_deflate.c \
- zip_buffer.c \
- zip_close.c \
- zip_delete.c \
- zip_dir_add.c \
- zip_dirent.c \
- zip_discard.c \
- zip_entry.c \
- zip_err_str.c \
- zip_error.c \
- zip_error_clear.c \
- zip_error_get.c \
- zip_error_get_sys_type.c \
- zip_error_strerror.c \
- zip_error_to_str.c \
- zip_extra_field.c \
- zip_extra_field_api.c \
- zip_fclose.c \
- zip_fdopen.c \
- zip_file_add.c \
- zip_file_error_clear.c \
- zip_file_error_get.c \
- zip_file_get_comment.c \
- zip_file_get_external_attributes.c \
- zip_file_get_offset.c \
- zip_file_rename.c \
- zip_file_replace.c \
- zip_file_set_comment.c \
- zip_file_set_encryption.c \
- zip_file_set_external_attributes.c \
- zip_file_set_mtime.c \
- zip_file_strerror.c \
- zip_filerange_crc.c \
- zip_fopen.c \
- zip_fopen_encrypted.c \
- zip_fopen_index.c \
- zip_fopen_index_encrypted.c \
- zip_fread.c \
- zip_fseek.c \
- zip_ftell.c \
- zip_get_archive_comment.c \
- zip_get_archive_flag.c \
- zip_get_encryption_implementation.c \
- zip_get_file_comment.c \
- zip_get_num_entries.c \
- zip_get_num_files.c \
- zip_get_name.c \
- zip_hash.c \
- zip_io_util.c \
- zip_libzip_version.c \
- zip_memdup.c \
- zip_name_locate.c \
- zip_new.c \
- zip_open.c \
- zip_progress.c \
- zip_rename.c \
- zip_replace.c \
- zip_set_archive_comment.c \
- zip_set_archive_flag.c \
- zip_set_default_password.c \
- zip_set_file_comment.c \
- zip_set_file_compression.c \
- zip_set_name.c \
- zip_source_begin_write.c \
- zip_source_buffer.c \
- zip_source_call.c \
- zip_source_close.c \
- zip_source_commit_write.c \
- zip_source_compress.c \
- zip_source_crc.c \
- zip_source_error.c \
- zip_source_filep.c \
- zip_source_free.c \
- zip_source_function.c \
- zip_source_get_compression_flags.c \
- zip_source_is_deleted.c \
- zip_source_layered.c \
- zip_source_open.c \
- zip_source_pkware.c \
- zip_source_read.c \
- zip_source_remove.c \
- zip_source_rollback_write.c \
- zip_source_seek.c \
- zip_source_seek_write.c \
- zip_source_stat.c \
- zip_source_supports.c \
- zip_source_tell.c \
- zip_source_tell_write.c \
- zip_source_window.c \
- zip_source_winzip_aes_decode.c \
- zip_source_winzip_aes_encode.c \
- zip_source_write.c \
- zip_source_zip.c \
- zip_source_zip_new.c \
- zip_stat.c \
- zip_stat_index.c \
- zip_stat_init.c \
- zip_strerror.c \
- zip_string.c \
- zip_unchange.c \
- zip_unchange_all.c \
- zip_unchange_archive.c \
- zip_unchange_data.c \
- zip_utf-8.c
-
-BUILT_SOURCES=zipconf.h
-CLEANFILES= ${BUILT_SOURCES}
-
-EXTRA_DIST= CMakeLists.txt \
- compat.h \
- make_zip_err_str.sh \
- make_zipconf.sh \
- zip_source_win32a.c \
- zip_source_win32handle.c \
- zip_source_win32utf8.c \
- zip_source_win32w.c \
- zipwin32.h
-
-zip_err_str.c: zip.h make_zip_err_str.sh
- sh $(srcdir)/make_zip_err_str.sh $(srcdir)/zip.h zip_err_str.c
-
-zipconf.h: ${top_builddir}/config.h make_zipconf.sh
- sh ${srcdir}/make_zipconf.sh ${top_builddir}/config.h zipconf.h
/*
compat.h -- compatibility defines.
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
gladman-fcrypt.c -- wrapper functions for Dr Gladman's AES functions
- Copyright (C) 2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
+++ /dev/null
-EXTRA_DIST= \
- aes.h \
- aescrypt.c \
- aeskey.c \
- aesopt.h \
- aestab.c \
- fileenc.c \
- fileenc.h \
- hmac.c \
- hmac.h \
- pwd2key.c \
- pwd2key.h \
- sha1.c \
- sha1.h
#error An illegal block size has been specified.
#endif
-#define unused 77 /* Sunset Strip */
+#define libzip_fcrypt_unused 77 /* Sunset Strip */
#define si(y,x,k,c) (s(y,c) = word_in(x + 4 * c) ^ k[c])
#define so(y,x,c) word_out(y + 4 * c, s(x,c))
the following defines prevent the compiler requiring the declaration
of generated but unused variables in the fwd_var and inv_var macros
*/
-#define b04 unused
-#define b05 unused
-#define b06 unused
-#define b07 unused
-#define b14 unused
-#define b15 unused
-#define b16 unused
-#define b17 unused
+#define b04 libzip_fcrypt_unused
+#define b05 libzip_fcrypt_unused
+#define b06 libzip_fcrypt_unused
+#define b07 libzip_fcrypt_unused
+#define b14 libzip_fcrypt_unused
+#define b15 libzip_fcrypt_unused
+#define b16 libzip_fcrypt_unused
+#define b17 libzip_fcrypt_unused
#endif
#define l_copy(y, x) s(y,0) = s(x,0); s(y,1) = s(x,1); \
s(y,2) = s(x,2); s(y,3) = s(x,3);
#else
#define locals(y,x) x##0,x##1,x##2,x##3,x##4,x##5, \
y##0,y##1,y##2,y##3,y##4,y##5
-#define b06 unused
-#define b07 unused
-#define b16 unused
-#define b17 unused
+#define b06 libzip_fcrypt_unused
+#define b07 libzip_fcrypt_unused
+#define b16 libzip_fcrypt_unused
+#define b17 libzip_fcrypt_unused
#endif
#define l_copy(y, x) s(y,0) = s(x,0); s(y,1) = s(x,1); \
s(y,2) = s(x,2); s(y,3) = s(x,3); \
+++ /dev/null
-/*
- ---------------------------------------------------------------------------
- Copyright (c) 2002, Dr Brian Gladman < >, Worcester, UK.
- All rights reserved.
-
- LICENSE TERMS
-
- The free distribution and use of this software in both source and binary
- form is allowed (with or without changes) provided that:
-
- 1. distributions of this source code include the above copyright
- notice, this list of conditions and the following disclaimer;
-
- 2. distributions in binary form include the above copyright
- notice, this list of conditions and the following disclaimer
- in the documentation and/or other associated materials;
-
- 3. the copyright holder's name is not used to endorse products
- built using this software without specific written permission.
-
- ALTERNATIVELY, provided that this notice is retained in full, this product
- may be distributed under the terms of the GNU General Public License (GPL),
- in which case the provisions of the GPL apply INSTEAD OF those given above.
-
- DISCLAIMER
-
- This software is provided 'as is' with no explicit or implied warranties
- in respect of its properties, including, but not limited to, correctness
- and/or fitness for purpose.
- ---------------------------------------------------------------------------
- Issue Date: 18th November 2008
-
- A simple file encryption application based on
-
- a. RFC2898 for key derivation (using HMAC-SHA1)
- b. AES in CTR mode for encryption
- c. HMAC-SHA1 for authentication
- d. A Random Data Pool based on Peter Gutmann's ideas
-
-The command line is:
-
- encfile password infile
-
- If the last file name extension is ".enc", the file is assumed to be an
- encrypted file and an attempt is made to decrypt it with the given password,
- writing the output to a file with the same name except for the ".enc" on the
- end. Otherwise the file is encrypted with the given password and the output
- is written to a file with the same name except that ".enc" is added on the
- end.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <memory.h>
-#include <string.h>
-#include <windows.h>
-
-#include "fileenc.h"
-#include "prng.h"
-
-/* error numbers */
-#define ERROR_USAGE 1
-#define ERROR_PASSWORD_LENGTH 2
-#define ERROR_OUT_OF_MEMORY 3
-#define ERROR_INPUT_FILE 4
-#define ERROR_OUTPUT_FILE 5
-#define ERROR_BAD_PASSWORD 6
-#define ERROR_BAD_AUTHENTICATION 7
-
-/* error messages */
-char *err_string[] =
-{
- "\nusage: encfile password infile outfile\n",
- "\npassword is too short\n",
- "\nmemory allocation has failed\n",
- "\ncannot open the input file (%s)\n",
- "\ncannot open the output file (%s)\n",
- "\nbad password\n",
- "\ndamaged file or incorrect password\n"
-};
-
-/* simple entropy collection function that uses the fast timer */
-/* since we are not using the random pool for generating secret */
-/* keys we don't need to be too worried about the entropy quality */
-
-/* Modified in 2008 to add revised entropy generation courtesy of */
-/* WinZip Inc. This code now performs the following sequence of */
-/* entropy generation operations on sequential calls: */
-/* */
-/* - the current 8-byte Windows performance counter value */
-/* - an 8-byte representation of the current date/time */
-/* - an 8-byte value built from the current process ID */
-/* and thread ID */
-/* - all subsequent calls return the then-current 8-byte */
-/* performance counter value */
-
-int entropy_fun(unsigned char buf[], unsigned int len)
-{ unsigned __int64 pentium_tsc[1];
- unsigned int i;
- static unsigned int num = 0;
-
- switch(num)
- {
- /* use a value that is unlikely to repeat across system reboots */
- case 1:
- ++num;
- GetSystemTimeAsFileTime((FILETIME *)pentium_tsc);
- break;
- /* use a value that distinguishes between different instances of this */
- /* code that might be running on different processors at the same time */
- case 2:
- ++num;
- { unsigned __int32 processtest = GetCurrentProcessId();
- unsigned __int32 threadtest = GetCurrentThreadId();
-
- pentium_tsc[0] = processtest;
- pentium_tsc[0] = (pentium_tsc[0] << 32) + threadtest;
- }
- break;
-
- /* use a rapidly-changing value -- check QueryPerformanceFrequency() */
- /* to ensure that QueryPerformanceCounter() will work */
- case 0:
- ++num;
- default:
- QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc);
- break;
- }
-
- for(i = 0; i < 8 && i < len; ++i)
- buf[i] = ((unsigned char*)pentium_tsc)[i];
- return i;
-}
-
-/* this is the main file encryption/decryption routine code */
-
-int main(int argc, char *argv[])
-{ FILE *inf, *outf;
- unsigned char buf[1024], tmp_buf1[16], tmp_buf2[16], salt[16], *fname, *cp;
- fcrypt_ctx zcx[1];
- int len, flen, err = 0;
- unsigned char mode;
-
- if(argc != 3) /* the command line is bad */
- {
- err = ERROR_USAGE; goto error_0;
- }
-
-
- len = (int)strlen(argv[1]);
-
- if(len < 8) /* password is too short */
- {
- err = ERROR_PASSWORD_LENGTH; goto error_0;
- }
-
- /* set the key length based on password length assuming that there */
- /* are about 4 bits of entropy per password character (the key */
- /* length and other mode dependent parameter values are set using */
- /* macros defined in fileenc.h) */
- mode = (len < 32 ? 1 : len < 48 ? 2 : 3);
-
- /* save input file name to a temporary memory area with extra space */
- /* for the extension ".enc" to be added */
- fname = (unsigned char*)malloc(strlen(argv[2]) + 5);
- if(fname == NULL)
- {
- err = ERROR_OUT_OF_MEMORY; goto error_0;
- }
-
- /* open the input file */
- strcpy(fname, argv[2]);
- if((inf = fopen(fname, "rb")) == NULL)
- {
- err = ERROR_INPUT_FILE; goto error_1;
- }
-
- /* if the file name extension is ".enc" assume this is an encrypted */
- /* file */
- if((cp = strrchr(fname, '.')) && strcmp(cp, ".enc") == 0)
- {
- *cp = 0;
- mode |= 4; /* signal decryption */
- }
- else /* add ".enc" to file name to mark the */
- strcat(fname, ".enc"); /* the file as an encrypted one */
-
- /* open output file for binary output */
- if((outf = fopen(fname, "wb")) == NULL)
- {
- err = ERROR_OUTPUT_FILE; goto error_2;
- }
-
- if(!(mode & 4)) /* encryption operation */
- {
- prng_ctx rng[1]; /* the context for the random number pool */
- prng_init(entropy_fun, rng); /* initialise RNG */
- prng_rand(salt, SALT_LENGTH(mode), rng); /* and the salt */
-
- /* write salt value */
- fwrite(salt, sizeof(unsigned char), SALT_LENGTH(mode), outf);
-
- /* initialise encryption and authentication */
-#ifdef PASSWORD_VERIFIER
- fcrypt_init(mode, argv[1], (unsigned int)strlen(argv[1]), salt, tmp_buf1, zcx);
- /* write password verifier (if used) */
- fwrite(tmp_buf1, sizeof(unsigned char), PWD_VER_LENGTH, outf);
-#else
- fcrypt_init(mode, argv[1], (unsigned int)strlen(argv[1]), salt, zcx);
-#endif
- /* encrypt and authenticate the file */
- len = (int)fread(buf, sizeof(unsigned char), 1024, inf);
- while(len)
- {
- fcrypt_encrypt(buf, len, zcx);
- fwrite(buf, sizeof(unsigned char), len, outf);
- len = (int)fread(buf, sizeof(unsigned char), len, inf);
- }
-
- /* write the MAC */
- fcrypt_end(tmp_buf1, zcx);
- fwrite(tmp_buf1, sizeof(unsigned char), MAC_LENGTH(mode), outf);
-
- /* and close random pool */
- prng_end(rng);
- }
- else /* decryption operation */
- {
- /* we need to know the file length to avoid reading the MAC */
- fseek(inf, 0, SEEK_END);
- flen = ftell(inf);
- fseek(inf, 0, SEEK_SET);
- mode &= 3;
-
- /* recover the password salt */
- fread(salt, sizeof(unsigned char), SALT_LENGTH(mode), inf); flen -= SALT_LENGTH(mode);
-#ifdef PASSWORD_VERIFIER
- /* initialise encryption and authentication */
- fcrypt_init(mode, argv[1], (unsigned int)strlen(argv[1]), salt, tmp_buf2, zcx);
- /* recover the password verifier (if used) */
- fread(tmp_buf1, sizeof(unsigned char), PWD_VER_LENGTH, inf); flen -= PWD_VER_LENGTH;
- /* check password verifier */
- if(memcmp(tmp_buf1, tmp_buf2, PWD_VER_LENGTH))
- {
- err = ERROR_BAD_PASSWORD; fclose(outf); goto error_2;
- }
-#else
- /* initialise encryption and authentication */
- fcrypt_init(mode, argv[1], (unsigned int)strlen(argv[1]), salt, zcx);
-#endif
-
- flen -= MAC_LENGTH(mode); /* avoid reading the MAC */
- /* decrypt the file */
- len = (int)fread(buf, sizeof(unsigned char),
- (size_t)(flen < 1024 ? flen : 1024), inf);
- while(len)
- { flen -= len;
- fcrypt_decrypt(buf, len, zcx);
- fwrite(buf, sizeof(unsigned char), len, outf);
- len = (int)fread(buf, sizeof(unsigned char),
- (size_t)(flen < 1024 ? flen : 1024), inf);
- }
-
- /* calculate the MAC value */
- fcrypt_end(tmp_buf2, zcx);
-
- /* now read the stored MAC value */
- fread(tmp_buf1, sizeof(unsigned char), MAC_LENGTH(mode), inf);
-
- /* compare the stored and calculated MAC values */
- if(memcmp(tmp_buf1, tmp_buf2, MAC_LENGTH(mode)))
- { /* authentication failed */
-
- err = ERROR_BAD_AUTHENTICATION;
- fclose(outf);
- /* delete the (bad) output file */
- remove(fname);
- goto error_2;
- }
- }
-
- fclose(outf);
-error_2:
- fclose(inf);
-error_1:
- free(fname);
-error_0:
- if(err)
- printf(err_string[err - 1], fname);
- return -err;
-}
+++ /dev/null
-/*
- ---------------------------------------------------------------------------
- Copyright (c) 2002, Dr Brian Gladman < >, Worcester, UK.
- All rights reserved.
-
- LICENSE TERMS
-
- The free distribution and use of this software in both source and binary
- form is allowed (with or without changes) provided that:
-
- 1. distributions of this source code include the above copyright
- notice, this list of conditions and the following disclaimer;
-
- 2. distributions in binary form include the above copyright
- notice, this list of conditions and the following disclaimer
- in the documentation and/or other associated materials;
-
- 3. the copyright holder's name is not used to endorse products
- built using this software without specific written permission.
-
- ALTERNATIVELY, provided that this notice is retained in full, this product
- may be distributed under the terms of the GNU General Public License (GPL),
- in which case the provisions of the GPL apply INSTEAD OF those given above.
-
- DISCLAIMER
-
- This software is provided 'as is' with no explicit or implied warranties
- in respect of its properties, including, but not limited to, correctness
- and/or fitness for purpose.
- ---------------------------------------------------------------------------
- Issue Date: 24/01/2003
-
- This file implements a random data pool based on the use of an external
- entropy function. It is based on the ideas advocated by Peter Gutmann in
- his work on pseudo random sequence generators. It is not a 'paranoid'
- random sequence generator and no attempt is made to protect the pool
- from prying eyes either by memory locking or by techniques to obscure
- its location in memory.
-*/
-
-#include <memory.h>
-#include "prng.h"
-
-#if defined(__cplusplus)
-extern "C"
-{
-#endif
-
-/* mix a random data pool using the SHA1 compression function (as */
-/* suggested by Peter Gutmann in his paper on random pools) */
-
-static void prng_mix(unsigned char buf[])
-{ unsigned int i, len;
- sha1_ctx ctx[1];
-
- /*lint -e{663} unusual array to pointer conversion */
- for(i = 0; i < PRNG_POOL_SIZE; i += SHA1_DIGEST_SIZE)
- {
- /* copy digest size pool block into SHA1 hash block */
- memcpy(ctx->hash, buf + (i ? i : PRNG_POOL_SIZE)
- - SHA1_DIGEST_SIZE, SHA1_DIGEST_SIZE);
-
- /* copy data from pool into the SHA1 data buffer */
- len = PRNG_POOL_SIZE - i;
- memcpy(ctx->wbuf, buf + i, (len > SHA1_BLOCK_SIZE ? SHA1_BLOCK_SIZE : len));
-
- if(len < SHA1_BLOCK_SIZE)
- memcpy(((char*)ctx->wbuf) + len, buf, SHA1_BLOCK_SIZE - len);
-
- /* compress using the SHA1 compression function */
- sha1_compile(ctx);
-
- /* put digest size block back into the random pool */
- memcpy(buf + i, ctx->hash, SHA1_DIGEST_SIZE);
- }
-}
-
-/* refresh the output buffer and update the random pool by adding */
-/* entropy and remixing */
-
-static void update_pool(prng_ctx ctx[1])
-{ unsigned int i = 0;
-
- /* transfer random pool data to the output buffer */
- memcpy(ctx->obuf, ctx->rbuf, PRNG_POOL_SIZE);
-
- /* enter entropy data into the pool */
- while(i < PRNG_POOL_SIZE)
- i += ctx->entropy(ctx->rbuf + i, PRNG_POOL_SIZE - i);
-
- /* invert and xor the original pool data into the pool */
- for(i = 0; i < PRNG_POOL_SIZE; ++i)
- ctx->rbuf[i] ^= ~ctx->obuf[i];
-
- /* mix the pool and the output buffer */
- prng_mix(ctx->rbuf);
- prng_mix(ctx->obuf);
-}
-
-INTERNAL void prng_init(prng_entropy_fn fun, prng_ctx ctx[1])
-{ int i;
-
- /* clear the buffers and the counter in the context */
- memset(ctx, 0, sizeof(prng_ctx));
-
- /* set the pointer to the entropy collection function */
- ctx->entropy = fun;
-
- /* initialise the random data pool */
- update_pool(ctx);
-
- /* mix the pool a minimum number of times */
- for(i = 0; i < PRNG_MIN_MIX; ++i)
- prng_mix(ctx->rbuf);
-
- /* update the pool to prime the pool output buffer */
- update_pool(ctx);
-}
-
-/* provide random bytes from the random data pool */
-
-INTERNAL void prng_rand(unsigned char data[], unsigned int data_len, prng_ctx ctx[1])
-{ unsigned char *rp = data;
- unsigned int len, pos = ctx->pos;
-
- while(data_len)
- {
- /* transfer 'data_len' bytes (or the number of bytes remaining */
- /* the pool output buffer if less) into the output */
- len = (data_len < PRNG_POOL_SIZE - pos ? data_len : PRNG_POOL_SIZE - pos);
- memcpy(rp, ctx->obuf + pos, len);
- rp += len; /* update ouput buffer position pointer */
- pos += len; /* update pool output buffer pointer */
- data_len -= len; /* update the remaining data count */
-
- /* refresh the random pool if necessary */
- if(pos == PRNG_POOL_SIZE)
- {
- update_pool(ctx); pos = 0;
- }
- }
-
- ctx->pos = pos;
-}
-
-INTERNAL void prng_end(prng_ctx ctx[1])
-{
- /* ensure the data in the context is destroyed */
- memset(ctx, 0, sizeof(prng_ctx));
-}
-
-#if defined(__cplusplus)
-}
-#endif
-
+++ /dev/null
-/*
- ---------------------------------------------------------------------------
- Copyright (c) 2002, Dr Brian Gladman < >, Worcester, UK.
- All rights reserved.
-
- LICENSE TERMS
-
- The free distribution and use of this software in both source and binary
- form is allowed (with or without changes) provided that:
-
- 1. distributions of this source code include the above copyright
- notice, this list of conditions and the following disclaimer;
-
- 2. distributions in binary form include the above copyright
- notice, this list of conditions and the following disclaimer
- in the documentation and/or other associated materials;
-
- 3. the copyright holder's name is not used to endorse products
- built using this software without specific written permission.
-
- ALTERNATIVELY, provided that this notice is retained in full, this product
- may be distributed under the terms of the GNU General Public License (GPL),
- in which case the provisions of the GPL apply INSTEAD OF those given above.
-
- DISCLAIMER
-
- This software is provided 'as is' with no explicit or implied warranties
- in respect of its properties, including, but not limited to, correctness
- and/or fitness for purpose.
- ---------------------------------------------------------------------------
- Issue Date: 24/01/2003
-
- This is the header file for an implementation of a random data pool based on
- the use of an external entropy function (inspired by Peter Gutmann's work).
-*/
-
-#ifndef _PRNG_H
-#define _PRNG_H
-
-#include "sha1.h"
-
-#define PRNG_POOL_LEN 256 /* minimum random pool size */
-#define PRNG_MIN_MIX 20 /* min initial pool mixing iterations */
-
-/* ensure that pool length is a multiple of the SHA1 digest size */
-
-#define PRNG_POOL_SIZE (SHA1_DIGEST_SIZE * (1 + (PRNG_POOL_LEN - 1) / SHA1_DIGEST_SIZE))
-
-#if defined(__cplusplus)
-extern "C"
-{
-#endif
-
-/* A function for providing entropy is a parameter in the prng_init() */
-/* call. This function has the following form and returns a maximum */
-/* of 'len' bytes of pseudo random data in the buffer 'buf'. It can */
-/* return less than 'len' bytes but will be repeatedly called for more */
-/* data in this case. */
-
-typedef int (*prng_entropy_fn)(unsigned char buf[], unsigned int len);
-
-typedef struct
-{ unsigned char rbuf[PRNG_POOL_SIZE]; /* the random pool */
- unsigned char obuf[PRNG_POOL_SIZE]; /* pool output buffer */
- unsigned int pos; /* output buffer position */
- prng_entropy_fn entropy; /* entropy function pointer */
-} prng_ctx;
-
-/* initialise the random stream generator */
-INTERNAL void prng_init(prng_entropy_fn fun, prng_ctx ctx[1]);
-
-/* obtain random bytes from the generator */
-INTERNAL void prng_rand(unsigned char data[], unsigned int data_len, prng_ctx ctx[1]);
-
-/* close the random stream generator */
-INTERNAL void prng_end(prng_ctx ctx[1]);
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif
/*
zip.h -- exported declarations.
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
*/
+#ifdef __cplusplus
+extern "C" {
+#if 0
+} /* fix autoindent */
+#endif
+#endif
+
+#include <zipconf.h>
+
#ifndef ZIP_EXTERN
# ifndef ZIP_STATIC
# ifdef _WIN32
# endif
#endif
-#ifdef __cplusplus
-extern "C" {
-#if 0
-} /* fix autoindent */
-#endif
-#endif
-
-#include <zipconf.h>
-
#include <sys/types.h>
#include <stdio.h>
#include <time.h>
ZIP_SOURCE_TELL_WRITE, /* get write position */
ZIP_SOURCE_SUPPORTS, /* check whether source supports command */
ZIP_SOURCE_REMOVE, /* remove file */
- ZIP_SOURCE_GET_COMPRESSION_FLAGS /* get compression flags, internal only */
+ ZIP_SOURCE_GET_COMPRESSION_FLAGS, /* get compression flags, internal only */
+ ZIP_SOURCE_BEGIN_WRITE_CLONING /* like ZIP_SOURCE_BEGIN_WRITE, but keep part of original file */
};
typedef enum zip_source_cmd zip_source_cmd_t;
-#define ZIP_SOURCE_MAKE_COMMAND_BITMASK(cmd) (((zip_uint64_t)1)<<(cmd))
+#define ZIP_SOURCE_MAKE_COMMAND_BITMASK(cmd) (((zip_int64_t)1)<<(cmd))
#define ZIP_SOURCE_SUPPORTS_READABLE (ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_OPEN) \
| ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_READ) \
zip_uint32_t flags; /* reserved for future use */
};
+struct zip_buffer_fragment {
+ zip_uint8_t *data;
+ zip_uint64_t length;
+};
+
struct zip;
struct zip_file;
struct zip_source;
typedef struct zip_file zip_file_t;
typedef struct zip_source zip_source_t;
typedef struct zip_stat zip_stat_t;
+typedef struct zip_buffer_fragment zip_buffer_fragment_t;
typedef zip_uint32_t zip_flags_t;
#ifndef ZIP_DISABLE_DEPRECATED
typedef void (*zip_progress_callback_t)(double);
-ZIP_EXTERN void zip_register_progress_callback(zip_t *, zip_progress_callback_t);
+ZIP_EXTERN void zip_register_progress_callback(zip_t *, zip_progress_callback_t); /* use zip_register_progress_callback_with_state */
ZIP_EXTERN zip_int64_t zip_add(zip_t *, const char *, zip_source_t *); /* use zip_file_add */
ZIP_EXTERN zip_int64_t zip_add_dir(zip_t *, const char *); /* use zip_dir_add */
ZIP_EXTERN int zip_set_file_comment(zip_t *, zip_uint64_t, const char *, int); /* use zip_file_set_comment */
ZIP_EXTERN int zip_error_get_sys_type(int); /* use zip_error_system_type */
ZIP_EXTERN void zip_error_get(zip_t *, int *, int *); /* use zip_get_error, zip_error_code_zip / zip_error_code_system */
-ZIP_EXTERN int zip_error_to_str(char *, zip_uint64_t, int, int);
+ZIP_EXTERN int zip_error_to_str(char *, zip_uint64_t, int, int); /* use zip_error_init_with_code / zip_error_strerror */
ZIP_EXTERN void zip_file_error_get(zip_file_t *, int *, int *); /* use zip_file_get_error, zip_error_code_zip / zip_error_code_system */
#endif
ZIP_EXTERN int zip_set_default_password(zip_t *, const char *);
ZIP_EXTERN int zip_set_file_compression(zip_t *, zip_uint64_t, zip_int32_t, zip_uint32_t);
ZIP_EXTERN int zip_source_begin_write(zip_source_t *);
+ZIP_EXTERN int zip_source_begin_write_cloning(zip_source_t *, zip_uint64_t);
ZIP_EXTERN zip_source_t *zip_source_buffer(zip_t *, const void *, zip_uint64_t, int);
ZIP_EXTERN zip_source_t *zip_source_buffer_create(const void *, zip_uint64_t, int, zip_error_t *);
+ZIP_EXTERN zip_source_t *zip_source_buffer_fragment(zip_t *, const zip_buffer_fragment_t *, zip_uint64_t, int);
+ZIP_EXTERN zip_source_t *zip_source_buffer_fragment_create(const zip_buffer_fragment_t *, zip_uint64_t, int, zip_error_t *);
ZIP_EXTERN int zip_source_close(zip_source_t *);
ZIP_EXTERN int zip_source_commit_write(zip_source_t *);
ZIP_EXTERN zip_error_t *zip_source_error(zip_source_t *);
#else
-static int dummy;
+static int dummy __attribute__((used));
#endif /* HAVE_LIBBZ2 */
/*
zip_close.c -- close zip archive and update changes
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
ZIP_EXTERN int
zip_close(zip_t *za)
{
- zip_uint64_t i, j, survivors;
+ zip_uint64_t i, j, survivors, unchanged_offset;
zip_int64_t off;
int error;
zip_filelist_t *filelist;
if ((filelist=(zip_filelist_t *)malloc(sizeof(filelist[0])*(size_t)survivors)) == NULL)
return -1;
+ unchanged_offset = ZIP_UINT64_MAX;
/* create list of files with index into original archive */
for (i=j=0; i<za->nentry; i++) {
- if (za->entry[i].deleted)
+ if (za->entry[i].orig != NULL && ZIP_ENTRY_HAS_CHANGES(&za->entry[i])) {
+ unchanged_offset = ZIP_MIN(unchanged_offset, za->entry[i].orig->offset);
+ }
+ if (za->entry[i].deleted) {
continue;
+ }
if (j >= survivors) {
free(filelist);
return -1;
}
- if (zip_source_begin_write(za->src) < 0) {
- _zip_error_set_from_source(&za->error, za->src);
- free(filelist);
- return -1;
+ if ((zip_source_supports(za->src) & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_BEGIN_WRITE_CLONING)) == 0) {
+ unchanged_offset = 0;
+ }
+ else {
+ if (unchanged_offset == ZIP_UINT64_MAX) {
+ /* we're keeping all file data, find the end of the last one */
+ zip_uint64_t last_index = ZIP_UINT64_MAX;
+ unchanged_offset = 0;
+
+ for (i = 0; i < za->nentry; i++) {
+ if (za->entry[i].orig != NULL) {
+ if (za->entry[i].orig->offset >= unchanged_offset) {
+ unchanged_offset = za->entry[i].orig->offset;
+ last_index = i;
+ }
+ }
+ }
+ if (last_index != ZIP_UINT64_MAX) {
+ if ((unchanged_offset = _zip_file_get_end(za, last_index, &za->error)) == 0) {
+ free(filelist);
+ return -1;
+ }
+ }
+ }
+ if (unchanged_offset > 0) {
+ if (zip_source_begin_write_cloning(za->src, unchanged_offset) < 0) {
+ /* cloning not supported, need to copy everything */
+ unchanged_offset = 0;
+ }
+ }
+ }
+ if (unchanged_offset == 0) {
+ if (zip_source_begin_write(za->src) < 0) {
+ _zip_error_set_from_source(&za->error, za->src);
+ free(filelist);
+ return -1;
+ }
}
_zip_progress_start(za->progress);
i = filelist[j].idx;
entry = za->entry+i;
+ if (entry->orig != NULL && entry->orig->offset < unchanged_offset) {
+ /* already implicitly copied by cloning */
+ continue;
+ }
+
new_data = (ZIP_ENTRY_DATA_CHANGED(entry) || ZIP_ENTRY_CHANGED(entry, ZIP_DIRENT_COMP_METHOD) || ZIP_ENTRY_CHANGED(entry, ZIP_DIRENT_ENCRYPTION_METHOD));
/* create new local directory entry */
changed = 0;
survivors = 0;
- if (za->comment_changed || za->ch_flags != za->flags)
+ if (za->comment_changed || za->ch_flags != za->flags) {
changed = 1;
+ }
for (i=0; i<za->nentry; i++) {
- if (za->entry[i].deleted || za->entry[i].source || (za->entry[i].changes && za->entry[i].changes->changed != 0))
+ if (ZIP_ENTRY_HAS_CHANGES(&za->entry[i])) {
changed = 1;
- if (!za->entry[i].deleted)
- survivors++;
+ }
+ if (!za->entry[i].deleted) {
+ survivors++;
+ }
}
- if (survivorsp)
+ if (survivorsp) {
*survivorsp = survivors;
+ }
return changed;
}
/*
zip_dirent.c -- read directory entry (local or central), clean dirent
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_discard.c -- discard and free struct zip
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_extra_field.c -- manipulate extra fields
- Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
duplicate = 0;
for (tt=to; tt; tt=tt->next) {
- if (tt->id == from->id && tt->size == from->size && memcmp(tt->data, from->data, tt->size) == 0) {
+ if (tt->id == from->id && tt->size == from->size && (tt->size == 0 || memcmp(tt->data, from->data, tt->size) == 0)) {
tt->flags |= (from->flags & ZIP_EF_BOTH);
duplicate = 1;
break;
/*
zip_fdopen.c -- open read-only archive from file descriptor
- Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2009-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_file_get_offset.c -- get offset of file data in archive.
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
zip_uint64_t offset;
zip_int32_t size;
+ if (za->entry[idx].orig == NULL) {
+ zip_error_set(error, ZIP_ER_INTERNAL, 0);
+ return 0;
+ }
+
offset = za->entry[idx].orig->offset;
if (zip_source_seek(za->src, (zip_int64_t)offset, SEEK_SET) < 0) {
return offset + (zip_uint32_t)size;
}
+
+zip_uint64_t
+_zip_file_get_end(const zip_t *za, zip_uint64_t index, zip_error_t *error)
+{
+ zip_uint64_t offset;
+ zip_dirent_t *entry;
+
+ if ((offset = _zip_file_get_offset(za, index, error)) == 0) {
+ return 0;
+ }
+
+ entry = za->entry[index].orig;
+
+ if (offset + entry->comp_size < offset || offset + entry->comp_size > ZIP_INT64_MAX) {
+ zip_error_set(error, ZIP_ER_SEEK, EFBIG);
+ return 0;
+ }
+ offset += entry->comp_size;
+
+ if (entry->bitflags & ZIP_GPBF_DATA_DESCRIPTOR) {
+ zip_uint8_t buf[4];
+ if (zip_source_seek(za->src, (zip_int64_t)offset, SEEK_SET) < 0) {
+ _zip_error_set_from_source(error, za->src);
+ return 0;
+ }
+ if (zip_source_read(za->src, buf, 4) != 4) {
+ _zip_error_set_from_source(error, za->src);
+ return 0;
+ }
+ if (memcmp(buf, DATADES_MAGIC, 4) == 0) {
+ offset += 4;
+ }
+ offset += 12;
+ if (_zip_dirent_needs_zip64(entry, 0)) {
+ offset += 8;
+ }
+ if (offset > ZIP_INT64_MAX) {
+ zip_error_set(error, ZIP_ER_SEEK, EFBIG);
+ return 0;
+ }
+ }
+
+ return offset;
+}
/*
zip_file_set_encryption.c -- set encryption for file in archive
- Copyright (C) 2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_hash.c -- hash table string -> uint64
- Copyright (C) 2015-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2015-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_new.c -- create and init struct zip
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_open.c -- open zip archive by name
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_random_unix.c -- fill the user's buffer with random stuff (Unix version)
- Copyright (C) 2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
--- /dev/null
+/*
+ zip_random_uwp.c -- fill the user's buffer with random stuff (UWP version)
+ Copyright (C) 2017 Dieter Baron and Thomas Klausner
+
+ This file is part of libzip, a library to manipulate ZIP archives.
+ The authors can be contacted at <libzip@nih.at>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ 3. The names of the authors may not be used to endorse or promote
+ products derived from this software without specific prior
+ written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+ OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <windows.h>
+#include <ntstatus.h>
+#include <bcrypt.h>
+
+#include "zipint.h"
+#include "zipwin32.h"
+
+bool
+zip_random(zip_uint8_t *buffer, zip_uint16_t length)
+{
+ BCRYPT_ALG_HANDLE hAlg = NULL;
+ NTSTATUS hr = BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_RNG_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
+ if (hr != STATUS_SUCCESS || hAlg == NULL) {
+ return false;
+ }
+ hr = BCryptGenRandom(&hAlg, buffer, length, 0);
+ BCryptCloseAlgorithmProvider(&hAlg, 0);
+ if (hr != STATUS_SUCCESS) {
+ return false;
+ }
+ return true;
+}
/*
zip_set_file_compression.c -- set compression for file in archive
- Copyright (C) 2012-2014 Dieter Baron and Thomas Klausner
+ Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
--- /dev/null
+/*
+ zip_source_begin_write_cloning.c -- clone part of file for writing
+ Copyright (C) 2017 Dieter Baron and Thomas Klausner
+
+ This file is part of libzip, a library to manipulate ZIP archives.
+ The authors can be contacted at <libzip@nih.at>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ 3. The names of the authors may not be used to endorse or promote
+ products derived from this software without specific prior
+ written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+ OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "zipint.h"
+
+
+ZIP_EXTERN int
+zip_source_begin_write_cloning(zip_source_t *src, zip_uint64_t offset)
+{
+ if (ZIP_SOURCE_IS_OPEN_WRITING(src)) {
+ zip_error_set(&src->error, ZIP_ER_INVAL, 0);
+ return -1;
+ }
+
+ if (_zip_source_call(src, NULL, offset, ZIP_SOURCE_BEGIN_WRITE_CLONING) < 0) {
+ return -1;
+ }
+
+ src->write_state = ZIP_SOURCE_WRITE_OPEN;
+
+ return 0;
+}
/*
zip_source_buffer.c -- create zip data source from buffer
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
#include "zipint.h"
#ifndef WRITE_FRAGMENT_SIZE
-#define WRITE_FRAGMENT_SIZE 64*1024
+#define WRITE_FRAGMENT_SIZE (64*1024)
#endif
struct buffer {
- zip_uint64_t fragment_size; /* size of each fragment */
-
- zip_uint8_t **fragments; /* pointers to fragments */
- zip_uint64_t nfragments; /* number of allocated fragments */
- zip_uint64_t fragments_capacity; /* size of fragments (number of pointers) */
- zip_uint64_t size; /* size of data in bytes */
- zip_uint64_t offset; /* current offset */
- int free_data;
+ zip_buffer_fragment_t *fragments; /* fragments */
+ zip_uint64_t *fragment_offsets; /* offset of each fragment from start of buffer, nfragments+1 entries */
+ zip_uint64_t nfragments; /* number of allocated fragments */
+ zip_uint64_t fragments_capacity; /* size of fragments (number of pointers) */
+
+ zip_uint64_t first_owned_fragment; /* first fragment to free data from */
+
+ zip_uint64_t shared_fragments; /* number of shared fragments */
+ struct buffer *shared_buffer; /* buffer fragments are shared with */
+ zip_uint64_t size; /* size of buffer */
+
+ zip_uint64_t offset; /* current offset in buffer */
+ zip_uint64_t current_fragment; /* fragment current offset is in */
};
typedef struct buffer buffer_t;
buffer_t *out;
};
+#define buffer_capacity(buffer) ((buffer)->fragment_offsets[(buffer)->nfragments])
+#define buffer_size(buffer) ((buffer)->size)
+
+static buffer_t *buffer_clone(buffer_t *buffer, zip_uint64_t length, zip_error_t *error);
+static zip_uint64_t buffer_find_fragment(const buffer_t *buffer, zip_uint64_t offset);
static void buffer_free(buffer_t *buffer);
-static buffer_t *buffer_new(zip_uint64_t fragment_size);
-static buffer_t *buffer_new_read(const void *data, zip_uint64_t length, int free_data);
-static buffer_t *buffer_new_write(zip_uint64_t fragment_size);
+static bool buffer_grow_fragments(buffer_t *buffer, zip_uint64_t capacity, zip_error_t *error);
+static buffer_t *buffer_new(const zip_buffer_fragment_t *fragments, zip_uint64_t nfragments, int free_data, zip_error_t *error);
static zip_int64_t buffer_read(buffer_t *buffer, zip_uint8_t *data, zip_uint64_t length);
static int buffer_seek(buffer_t *buffer, void *data, zip_uint64_t len, zip_error_t *error);
static zip_int64_t buffer_write(buffer_t *buffer, const zip_uint8_t *data, zip_uint64_t length, zip_error_t *);
ZIP_EXTERN zip_source_t *
zip_source_buffer_create(const void *data, zip_uint64_t len, int freep, zip_error_t *error)
{
+ zip_buffer_fragment_t fragment;
+
+ if (data == NULL && len > 0) {
+ zip_error_set(error, ZIP_ER_INVAL, 0);
+ return NULL;
+ }
+
+ fragment.data = (zip_uint8_t *)data;
+ fragment.length = len;
+
+ return zip_source_buffer_fragment_create(&fragment, 1, freep, error);
+}
+
+
+ZIP_EXTERN zip_source_t *
+zip_source_buffer_fragment(zip_t *za, const zip_buffer_fragment_t *fragments, zip_uint64_t nfragments, int freep)
+{
+ if (za == NULL) {
+ return NULL;
+ }
+
+ return zip_source_buffer_fragment_create(fragments, nfragments, freep, &za->error);
+}
+
+
+ZIP_EXTERN zip_source_t *
+zip_source_buffer_fragment_create(const zip_buffer_fragment_t *fragments, zip_uint64_t nfragments, int freep, zip_error_t *error)
+{
struct read_data *ctx;
zip_source_t *zs;
+ buffer_t *buffer;
- if (data == NULL && len > 0) {
- zip_error_set(error, ZIP_ER_INVAL, 0);
- return NULL;
+ if (fragments == NULL && nfragments > 0) {
+ zip_error_set(error, ZIP_ER_INVAL, 0);
+ return NULL;
}
- if ((ctx=(struct read_data *)malloc(sizeof(*ctx))) == NULL) {
- zip_error_set(error, ZIP_ER_MEMORY, 0);
- return NULL;
+ if ((buffer = buffer_new(fragments, nfragments, freep, error)) == NULL) {
+ return NULL;
}
- if ((ctx->in = buffer_new_read(data, len, freep)) == NULL) {
+ if ((ctx=(struct read_data *)malloc(sizeof(*ctx))) == NULL) {
zip_error_set(error, ZIP_ER_MEMORY, 0);
- free(ctx);
+ buffer_free(buffer);
return NULL;
}
+ ctx->in = buffer;
ctx->out = NULL;
ctx->mtime = time(NULL);
zip_error_init(&ctx->error);
switch (cmd) {
case ZIP_SOURCE_BEGIN_WRITE:
- if ((ctx->out = buffer_new_write(WRITE_FRAGMENT_SIZE)) == NULL) {
- zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0);
+ if ((ctx->out = buffer_new(NULL, 0, 0, &ctx->error)) == NULL) {
return -1;
}
+ ctx->out->offset = 0;
+ ctx->out->current_fragment = 0;
return 0;
+ case ZIP_SOURCE_BEGIN_WRITE_CLONING:
+ if ((ctx->out = buffer_clone(ctx->in, len, &ctx->error)) == NULL) {
+ return -1;
+ }
+ ctx->out->offset = len;
+ ctx->out->current_fragment = ctx->out->nfragments;
+ return 0;
+
case ZIP_SOURCE_CLOSE:
return 0;
case ZIP_SOURCE_OPEN:
ctx->in->offset = 0;
+ ctx->in->current_fragment = 0;
return 0;
case ZIP_SOURCE_READ:
case ZIP_SOURCE_REMOVE:
{
- buffer_t *empty = buffer_new_read(NULL, 0, 0);
- if (empty == 0) {
- zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0);
+ buffer_t *empty = buffer_new(NULL, 0, 0, &ctx->error);
+ if (empty == NULL) {
return -1;
}
}
case ZIP_SOURCE_SUPPORTS:
- return zip_source_make_command_bitmap(ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_CLOSE, ZIP_SOURCE_STAT, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, ZIP_SOURCE_SEEK, ZIP_SOURCE_TELL, ZIP_SOURCE_BEGIN_WRITE, ZIP_SOURCE_COMMIT_WRITE, ZIP_SOURCE_REMOVE, ZIP_SOURCE_ROLLBACK_WRITE, ZIP_SOURCE_SEEK_WRITE, ZIP_SOURCE_TELL_WRITE, ZIP_SOURCE_WRITE, -1);
+ return zip_source_make_command_bitmap(ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_CLOSE, ZIP_SOURCE_STAT, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, ZIP_SOURCE_SEEK, ZIP_SOURCE_TELL, ZIP_SOURCE_BEGIN_WRITE, ZIP_SOURCE_BEGIN_WRITE_CLONING, ZIP_SOURCE_COMMIT_WRITE, ZIP_SOURCE_REMOVE, ZIP_SOURCE_ROLLBACK_WRITE, ZIP_SOURCE_SEEK_WRITE, ZIP_SOURCE_TELL_WRITE, ZIP_SOURCE_WRITE, -1);
case ZIP_SOURCE_TELL:
if (ctx->in->offset > ZIP_INT64_MAX) {
}
-static void
-buffer_free(buffer_t *buffer)
-{
- if (buffer == NULL) {
- return;
+static buffer_t *
+buffer_clone(buffer_t *buffer, zip_uint64_t offset, zip_error_t *error) {
+ zip_uint64_t fragment, fragment_offset, waste;
+ buffer_t *clone;
+
+ if (offset == 0) {
+ return buffer_new(NULL, 0, 1, error);
}
- if (buffer->free_data) {
- zip_uint64_t i;
+ if (offset > buffer->size) {
+ zip_error_set(error, ZIP_ER_INVAL, 0);
+ return NULL;
+ }
+ if (buffer->shared_buffer != NULL) {
+ zip_error_set(error, ZIP_ER_INUSE, 0);
+ return NULL;
+ }
- for (i=0; i < buffer->nfragments; i++) {
- free(buffer->fragments[i]);
- }
+ fragment = buffer_find_fragment(buffer, offset);
+ fragment_offset = offset - buffer->fragment_offsets[fragment];
+
+ if (fragment_offset == 0) {
+ fragment--;
+ fragment_offset = buffer->fragments[fragment].length;
}
- free(buffer->fragments);
- free(buffer);
+
+ waste = buffer->fragments[fragment].length - fragment_offset;
+ if (waste > offset) {
+ zip_error_set(error, ZIP_ER_OPNOTSUPP, 0);
+ return NULL;
+ }
+
+ if ((clone = buffer_new(buffer->fragments, fragment + 1, 0, error)) == NULL) {
+ return NULL;
+ }
+
+ clone->fragments[clone->nfragments - 1].length = fragment_offset;
+ clone->fragment_offsets[clone->nfragments] = offset;
+ clone->size = offset;
+
+ clone->first_owned_fragment = ZIP_MIN(buffer->first_owned_fragment, clone->nfragments - 1);
+
+ buffer->shared_buffer = clone;
+ clone->shared_buffer = buffer;
+ buffer->shared_fragments = clone->nfragments;
+ clone->shared_fragments = fragment + 1;
+
+ return clone;
}
-static buffer_t *
-buffer_new(zip_uint64_t fragment_size)
+static zip_uint64_t
+buffer_find_fragment(const buffer_t *buffer, zip_uint64_t offset) {
+ zip_uint64_t low, high, mid;
+
+ low = 0;
+ high = buffer->nfragments - 1;
+
+ while (low < high) {
+ mid = (high - low) / 2 + low;
+ if (buffer->fragment_offsets[mid] > offset) {
+ high = mid - 1;
+ }
+ else if (mid == buffer->nfragments || buffer->fragment_offsets[mid + 1] > offset) {
+ return mid;
+ }
+ else {
+ low = mid + 1;
+ }
+ }
+
+ return low;
+}
+
+
+static void
+buffer_free(buffer_t *buffer)
{
- buffer_t *buffer;
+ zip_uint64_t i;
- if ((buffer = malloc(sizeof(*buffer))) == NULL) {
- return NULL;
+ if (buffer == NULL) {
+ return;
}
- buffer->fragment_size = fragment_size;
- buffer->offset = 0;
- buffer->free_data = 0;
- buffer->nfragments = 0;
- buffer->fragments_capacity = 0;
- buffer->fragments = NULL;
- buffer->size = 0;
+ if (buffer->shared_buffer != NULL) {
+ buffer->shared_buffer->shared_buffer = NULL;
+ buffer->shared_buffer->shared_fragments = 0;
- return buffer;
+ buffer->first_owned_fragment = ZIP_MAX(buffer->first_owned_fragment, buffer->shared_fragments);
+ }
+
+ for (i = buffer->first_owned_fragment; i < buffer->nfragments; i++) {
+ free(buffer->fragments[i].data);
+ }
+ free(buffer->fragments);
+ free(buffer);
}
-static buffer_t *
-buffer_new_read(const void *data, zip_uint64_t length, int free_data)
+static bool
+buffer_grow_fragments(buffer_t *buffer, zip_uint64_t capacity, zip_error_t *error)
{
- buffer_t *buffer;
+ zip_buffer_fragment_t *fragments;
+ zip_uint64_t *offsets;
- if ((buffer = buffer_new(length)) == NULL) {
- return NULL;
+ if (capacity < buffer->fragments_capacity) {
+ return true;
}
- buffer->size = length;
-
- if (length > 0) {
- if ((buffer->fragments = malloc(sizeof(*(buffer->fragments)))) == NULL) {
- buffer_free(buffer);
- return NULL;
- }
- buffer->fragments_capacity = 1;
-
- buffer->nfragments = 1;
- buffer->fragments[0] = (zip_uint8_t *)data;
- buffer->free_data = free_data;
+ if ((fragments = realloc(buffer->fragments, sizeof(buffer->fragments[0]) * capacity)) == NULL
+ || (offsets = realloc(buffer->fragment_offsets, sizeof(buffer->fragment_offsets[0]) * (capacity + 1))) == NULL) {
+ free(fragments);
+ zip_error_set(error, ZIP_ER_MEMORY, 0);
+ return false;
}
- return buffer;
+ buffer->fragments = fragments;
+ buffer->fragment_offsets = offsets;
+ buffer->fragments_capacity = capacity;
+
+ return true;
}
static buffer_t *
-buffer_new_write(zip_uint64_t fragment_size)
+buffer_new(const zip_buffer_fragment_t *fragments, zip_uint64_t nfragments, int free_data, zip_error_t *error)
{
buffer_t *buffer;
- if ((buffer = buffer_new(fragment_size)) == NULL) {
+ if ((buffer = malloc(sizeof(*buffer))) == NULL) {
return NULL;
}
- if ((buffer->fragments = malloc(sizeof(*(buffer->fragments)))) == NULL) {
- buffer_free(buffer);
- return NULL;
- }
- buffer->fragments_capacity = 1;
+ buffer->offset = 0;
+ buffer->first_owned_fragment = 0;
+ buffer->size = 0;
+ buffer->fragments = NULL;
+ buffer->fragment_offsets = NULL;
buffer->nfragments = 0;
- buffer->free_data = 1;
+ buffer->fragments_capacity = 0;
+ buffer->shared_buffer = NULL;
+ buffer->shared_fragments = 0;
+
+ if (nfragments == 0) {
+ if ((buffer->fragment_offsets = malloc(sizeof(buffer->fragment_offsets[0]))) == NULL) {
+ free(buffer);
+ zip_error_set(error, ZIP_ER_MEMORY, 0);
+ return NULL;
+ }
+ buffer->fragment_offsets[0] = 0;
+ }
+ else {
+ zip_uint64_t i, j, offset;
+
+ if (!buffer_grow_fragments(buffer, nfragments, NULL)) {
+ zip_error_set(error, ZIP_ER_MEMORY, 0);
+ buffer_free(buffer);
+ return NULL;
+ }
+
+ offset = 0;
+ for (i = 0, j = 0; i < nfragments; i++) {
+ if (fragments[i].length == 0) {
+ continue;
+ }
+ if (fragments[i].data == NULL) {
+ zip_error_set(error, ZIP_ER_INVAL, 0);
+ buffer_free(buffer);
+ return NULL;
+ }
+ buffer->fragments[j].data = fragments[i].data;
+ buffer->fragments[j].length = fragments[i].length;
+ buffer->fragment_offsets[i] = offset;
+ offset += fragments[i].length;
+ j++;
+ }
+ buffer->nfragments = j;
+ buffer->first_owned_fragment = free_data ? 0 : buffer->nfragments;
+ buffer->fragment_offsets[nfragments] = offset;
+ buffer->size = offset;
+ }
return buffer;
}
-
static zip_int64_t
buffer_read(buffer_t *buffer, zip_uint8_t *data, zip_uint64_t length)
{
return -1;
}
- i = buffer->offset / buffer->fragment_size;
- fragment_offset = buffer->offset % buffer->fragment_size;
+ i = buffer->current_fragment;
+ fragment_offset = buffer->offset - buffer->fragment_offsets[i];
n = 0;
while (n < length) {
- zip_uint64_t left = ZIP_MIN(length - n, buffer->fragment_size - fragment_offset);
+ zip_uint64_t left = ZIP_MIN(length - n, buffer->fragments[i].length - fragment_offset);
- memcpy(data + n, buffer->fragments[i] + fragment_offset, left);
+ memcpy(data + n, buffer->fragments[i].data + fragment_offset, left);
+ if (left == buffer->fragments[i].length - fragment_offset) {
+ i++;
+ }
n += left;
- i++;
fragment_offset = 0;
}
buffer->offset += n;
+ buffer->current_fragment = i;
return (zip_int64_t)n;
}
if (new_offset < 0) {
return -1;
}
-
+
buffer->offset = (zip_uint64_t)new_offset;
+ buffer->current_fragment = buffer_find_fragment(buffer, buffer->offset);
return 0;
}
static zip_int64_t
buffer_write(buffer_t *buffer, const zip_uint8_t *data, zip_uint64_t length, zip_error_t *error)
{
- zip_uint64_t n, i, fragment_offset;
- zip_uint8_t **fragments;
+ zip_uint64_t n, i, fragment_offset, capacity;
- if (buffer->offset + length + buffer->fragment_size - 1 < length) {
+ if (buffer->offset + length + WRITE_FRAGMENT_SIZE - 1 < length) {
zip_error_set(error, ZIP_ER_INVAL, 0);
return -1;
}
/* grow buffer if needed */
- if (buffer->offset + length > buffer->nfragments * buffer->fragment_size) {
- zip_uint64_t needed_fragments = (buffer->offset + length + buffer->fragment_size - 1) / buffer->fragment_size;
-
+ capacity = buffer_capacity(buffer);
+ if (buffer->offset + length > capacity) {
+ zip_uint64_t needed_fragments = buffer->nfragments + (length - (capacity - buffer->offset) + WRITE_FRAGMENT_SIZE - 1) / WRITE_FRAGMENT_SIZE;
+
if (needed_fragments > buffer->fragments_capacity) {
zip_uint64_t new_capacity = buffer->fragments_capacity;
+ if (new_capacity == 0) {
+ new_capacity = 16;
+ }
while (new_capacity < needed_fragments) {
new_capacity *= 2;
}
- fragments = realloc(buffer->fragments, new_capacity * sizeof(*fragments));
-
- if (fragments == NULL) {
+ if (!buffer_grow_fragments(buffer, new_capacity, error)) {
zip_error_set(error, ZIP_ER_MEMORY, 0);
return -1;
}
-
- buffer->fragments = fragments;
- buffer->fragments_capacity = new_capacity;
}
while (buffer->nfragments < needed_fragments) {
- if ((buffer->fragments[buffer->nfragments] = malloc(buffer->fragment_size)) == NULL) {
+ if ((buffer->fragments[buffer->nfragments].data = malloc(WRITE_FRAGMENT_SIZE)) == NULL) {
zip_error_set(error, ZIP_ER_MEMORY, 0);
return -1;
}
- buffer->nfragments++;
+ buffer->fragments[buffer->nfragments].length = WRITE_FRAGMENT_SIZE;
+ buffer->nfragments++;
+ capacity += WRITE_FRAGMENT_SIZE;
+ buffer->fragment_offsets[buffer->nfragments] = capacity;
}
}
- i = buffer->offset / buffer->fragment_size;
- fragment_offset = buffer->offset % buffer->fragment_size;
+ i = buffer->current_fragment;
+ fragment_offset = buffer->offset - buffer->fragment_offsets[i];
n = 0;
while (n < length) {
- zip_uint64_t left = ZIP_MIN(length - n, buffer->fragment_size - fragment_offset);
+ zip_uint64_t left = ZIP_MIN(length - n, buffer->fragments[i].length - fragment_offset);
- memcpy(buffer->fragments[i] + fragment_offset, data + n, left);
+ memcpy(buffer->fragments[i].data + fragment_offset, data + n, left);
+ if (n == buffer->fragments[i].length - fragment_offset) {
+ i++;
+ }
n += left;
- i++;
fragment_offset = 0;
}
buffer->offset += n;
+ buffer->current_fragment = i;
if (buffer->offset > buffer->size) {
buffer->size = buffer->offset;
}
bool end_of_input;
bool end_of_stream;
bool can_store;
- bool is_stored;
+ bool is_stored; /* only valid if end_of_stream is true */
bool compress;
zip_int32_t method;
ctx->algorithm = algorithm;
ctx->method = method;
ctx->compress = compress;
+ ctx->end_of_input = false;
+ ctx->end_of_stream = false;
+ ctx->is_stored = false;
if ((ctx->ud = ctx->algorithm->allocate(ZIP_CM_ACTUAL(method), compression_flags, &ctx->error)) == NULL) {
zip_error_fini(&ctx->error);
st = (zip_stat_t *)data;
if (ctx->compress) {
- st->comp_method = ctx->is_stored ? ZIP_CM_STORE : ZIP_CM_ACTUAL(ctx->method);
if (ctx->end_of_stream) {
+ st->comp_method = ctx->is_stored ? ZIP_CM_STORE : ZIP_CM_ACTUAL(ctx->method);
st->comp_size = ctx->size;
- st->valid |= ZIP_STAT_COMP_SIZE;
+ st->valid |= ZIP_STAT_COMP_SIZE | ZIP_STAT_COMP_METHOD;
}
else {
- st->valid &= ~ZIP_STAT_COMP_SIZE;
+ st->valid &= ~(ZIP_STAT_COMP_SIZE | ZIP_STAT_COMP_METHOD);
}
}
else {
st->comp_method = ZIP_CM_STORE;
+ st->valid |= ZIP_STAT_COMP_METHOD;
if (ctx->end_of_stream) {
st->size = ctx->size;
st->valid |= ZIP_STAT_SIZE;
st->valid &= ~ZIP_STAT_SIZE;
}
}
- st->valid |= ZIP_STAT_COMP_METHOD;
}
return 0;
/*
zip_source_crc.c -- pass-through source that calculates CRC32 and size
- Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2009-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_source_filep.c -- create data source from FILE *
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
#include <unistd.h>
#endif
+#ifdef HAVE_CLONEFILE
+#include <sys/attr.h>
+#include <sys/clonefile.h>
+#endif
+
#ifdef _WIN32
/* WIN32 needs <fcntl.h> for _O_BINARY */
#include <fcntl.h>
static zip_int64_t read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd);
static int create_temp_output(struct read_file *ctx);
+#ifdef HAVE_CLONEFILE
+static zip_int64_t create_temp_output_cloning(struct read_file *ctx, zip_uint64_t offset);
+#endif
static int _zip_fseek_u(FILE *f, zip_uint64_t offset, int whence, zip_error_t *error);
static int _zip_fseek(FILE *f, zip_int64_t offset, int whence, zip_error_t *error);
}
}
+#ifdef HAVE_CLONEFILE
+ if (ctx->supports & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_BEGIN_WRITE)) {
+ ctx->supports |= ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_BEGIN_WRITE_CLONING);
+ }
+#endif
+
if ((zs=zip_source_function_create(read_file, ctx, error)) == NULL) {
free(ctx->fname);
free(ctx);
return 0;
}
+#ifdef HAVE_CLONEFILE
+zip_int64_t
+static create_temp_output_cloning(struct read_file *ctx, zip_uint64_t offset)
+{
+ char *temp;
+ FILE *tfp;
+
+ if (offset > ZIP_OFF_MAX) {
+ zip_error_set(&ctx->error, ZIP_ER_SEEK, E2BIG);
+ return -1;
+ }
+
+ if ((temp=(char *)malloc(strlen(ctx->fname)+8)) == NULL) {
+ zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0);
+ return -1;
+ }
+ sprintf(temp, "%s.XXXXXX", ctx->fname);
+
+ if (mktemp(temp) == NULL) {
+ zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno);
+ free(temp);
+ return -1;
+ }
+
+ if (clonefile(ctx->fname, temp, 0) < 0) {
+ zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno);
+ free(temp);
+ return -1;
+ }
+ if ((tfp=fopen(temp, "r+b")) == NULL) {
+ zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno);
+ (void)remove(temp);
+ free(temp);
+ return -1;
+ }
+ if (ftruncate(fileno(tfp), (off_t)offset) < 0
+ || fseeko(tfp, (off_t)offset, SEEK_SET) < 0) {
+ zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno);
+ (void)remove(temp);
+ free(temp);
+ return -1;
+ }
+
+ ctx->fout = tfp;
+ ctx->tmpname = temp;
+
+ return 0;
+}
+#endif
+
static zip_int64_t
read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd)
}
return create_temp_output(ctx);
+#ifdef HAVE_CLONEFILE
+ case ZIP_SOURCE_BEGIN_WRITE_CLONING:
+ if (ctx->fname == NULL) {
+ zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0);
+ return -1;
+ }
+ return create_temp_output_cloning(ctx, len);
+#endif
+
case ZIP_SOURCE_COMMIT_WRITE: {
mode_t mask;
/*
zip_source_function.c -- create zip data source from callback function
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
src->refcount = 1;
zip_error_init(&src->error);
src->eof = false;
+ src->had_read_error = false;
return src;
}
/*
zip_source_open.c -- open zip_source (prepare for reading)
- Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2009-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
}
src->eof = false;
+ src->had_read_error = false;
_zip_error_clear(&src->error);
src->open_count++;
/*
zip_source_read.c -- read data from zip_source
- Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2009-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
return -1;
}
- if (_zip_source_had_error(src)) {
+ if (src->had_read_error) {
return -1;
}
bytes_read = 0;
while (bytes_read < len) {
if ((n = _zip_source_call(src, (zip_uint8_t *)data + bytes_read, len - bytes_read, ZIP_SOURCE_READ)) < 0) {
+ src->had_read_error = true;
if (bytes_read == 0) {
return -1;
}
/*
zip_source_win32a.c -- create data source from Windows file (ANSI)
-Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
#include <wchar.h>
#include <stdlib.h>
#include <string.h>
+#include <aclapi.h>
#include "zipint.h"
#include "zipwin32.h"
int i;
HANDLE th = INVALID_HANDLE_VALUE;
void *temp = NULL;
- SECURITY_INFORMATION si;
- SECURITY_ATTRIBUTES sa;
PSECURITY_DESCRIPTOR psd = NULL;
PSECURITY_ATTRIBUTES psa = NULL;
- DWORD len;
- BOOL success;
+ SECURITY_ATTRIBUTES sa;
+ SECURITY_INFORMATION si;
+ DWORD success;
+ PACL dacl = NULL;
/*
Read the DACL from the original file, so we can copy it to the temp file.
*/
if (ctx->h != INVALID_HANDLE_VALUE && GetFileType(ctx->h) == FILE_TYPE_DISK) {
si = DACL_SECURITY_INFORMATION | UNPROTECTED_DACL_SECURITY_INFORMATION;
- len = 0;
- success = GetUserObjectSecurity(ctx->h, &si, NULL, len, &len);
- if (!success && GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
- if ((psd = (PSECURITY_DESCRIPTOR)malloc(len)) == NULL) {
- zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0);
- return -1;
- }
- success = GetUserObjectSecurity(ctx->h, &si, psd, len, &len);
- }
- if (success) {
+ success = GetSecurityInfo(ctx->h, SE_FILE_OBJECT, si, NULL, NULL, &dacl, NULL, &psd);
+ if (success == ERROR_SUCCESS) {
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = FALSE;
sa.lpSecurityDescriptor = psd;
}
}
+
+#ifndef MS_UWP
value = GetTickCount();
+#else
+ value = (zip_uint32_t)GetTickCount64();
+#endif
+
for (i = 0; i < 1024 && th == INVALID_HANDLE_VALUE; i++) {
th = ctx->ops->op_create_temp(ctx, &temp, value + i, psa);
if (th == INVALID_HANDLE_VALUE && GetLastError() != ERROR_FILE_EXISTS)
if (th == INVALID_HANDLE_VALUE) {
free(temp);
- free(psd);
+ LocalFree(psd);
zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, _zip_win32_error_to_errno(GetLastError()));
return -1;
}
- free(psd);
+ LocalFree(psd);
ctx->hout = th;
ctx->tmpname = temp;
/*
-zip_source_win32w.c -- create data source from Windows file (UTF-16)
-Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
-
-This file is part of libzip, a library to manipulate ZIP archives.
-The authors can be contacted at <libzip@nih.at>
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
-notice, this list of conditions and the following disclaimer in
-the documentation and/or other materials provided with the
-distribution.
-3. The names of the authors may not be used to endorse or promote
-products derived from this software without specific prior
-written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
-OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
-GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
-IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
-IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ zip_source_win32w.c -- create data source from Windows file (UTF-16)
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
+
+ This file is part of libzip, a library to manipulate ZIP archives.
+ The authors can be contacted at <libzip@nih.at>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ 3. The names of the authors may not be used to endorse or promote
+ products derived from this software without specific prior
+ written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+ OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
static HANDLE
_win32_open_w(_zip_source_win32_read_file_t *ctx)
{
+#ifdef MS_UWP
+ CREATEFILE2_EXTENDED_PARAMETERS extParams = { 0 };
+ extParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
+ extParams.dwFileFlags = FILE_FLAG_RANDOM_ACCESS;
+ extParams.dwSecurityQosFlags = SECURITY_ANONYMOUS;
+ extParams.dwSize = sizeof(extParams);
+ extParams.hTemplateFile = NULL;
+ extParams.lpSecurityAttributes = NULL;
+
+ return CreateFile2(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, OPEN_EXISTING, &extParams);
+#else
return CreateFileW(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+#endif
}
return INVALID_HANDLE_VALUE;
}
+#ifdef MS_UWP
+ CREATEFILE2_EXTENDED_PARAMETERS extParams = { 0 };
+ extParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY;
+ extParams.dwFileFlags = FILE_FLAG_RANDOM_ACCESS;
+ extParams.dwSecurityQosFlags = SECURITY_ANONYMOUS;
+ extParams.dwSize = sizeof(extParams);
+ extParams.hTemplateFile = NULL;
+ extParams.lpSecurityAttributes = NULL;
+
+ return CreateFile2((const wchar_t *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, CREATE_NEW, &extParams);
+#else
return CreateFileW((const wchar_t *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, sa, CREATE_NEW, FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY, NULL);
+#endif
}
/*
zip_source_window.c -- return part of lower source
- Copyright (C) 2012-2014 Dieter Baron and Thomas Klausner
+ Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
case ZIP_SOURCE_OPEN:
if (ctx->source_archive) {
- zip_int64_t offset;
+ zip_uint64_t offset;
if ((offset = _zip_file_get_offset(ctx->source_archive, ctx->source_index, &ctx->error)) == 0) {
return -1;
/*
zip_source_winzip_aes.c -- Winzip AES de/encryption routines
- Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2009-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_source_winzip_aes.c -- Winzip AES de/encryption routines
- Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2009-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_source_zip_new.c -- prepare data structures for zip_fopen/zip_source_zip
- Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zip_unchange.c -- undo changes to all files in zip archive
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
zipint.h -- internal declarations.
- Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
#define CENTRAL_MAGIC "PK\1\2"
#define LOCAL_MAGIC "PK\3\4"
#define EOCD_MAGIC "PK\5\6"
-#define DATADES_MAGIC "PK\7\8"
+#define DATADES_MAGIC "PK\7\10"
#define EOCD64LOC_MAGIC "PK\6\7"
#define EOCD64_MAGIC "PK\6\6"
#define CDENTRYSIZE 46u
zip_t *source_archive; /* zip archive we're reading from, NULL if not from archive */
unsigned int refcount;
bool eof; /* EOF reached */
+ bool had_read_error; /* a previous ZIP_SOURCE_READ reported an error */
};
#define ZIP_SOURCE_IS_OPEN_READING(src) ((src)->open_count > 0)
#define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b))
#define ZIP_ENTRY_CHANGED(e, f) ((e)->changes && ((e)->changes->changed & (f)))
-
#define ZIP_ENTRY_DATA_CHANGED(x) ((x)->source != NULL)
+#define ZIP_ENTRY_HAS_CHANGES(e) (ZIP_ENTRY_DATA_CHANGED(e) || (e)->deleted || ZIP_ENTRY_CHANGED((e), ZIP_DIRENT_ALL))
#define ZIP_IS_RDONLY(za) ((za)->ch_flags & ZIP_AFL_RDONLY)
int _zip_file_extra_field_prepare_for_change(zip_t *, zip_uint64_t);
int _zip_file_fillbuf(void *, size_t, zip_file_t *);
+zip_uint64_t _zip_file_get_end(const zip_t *za, zip_uint64_t index, zip_error_t *error);
zip_uint64_t _zip_file_get_offset(const zip_t *, zip_uint64_t, zip_error_t *);
int _zip_filerange_crc(zip_source_t *src, zip_uint64_t offset, zip_uint64_t length, uLong *crcp, zip_error_t *error);
*/
/* 0x0501 => Windows XP; needs to be at least this value because of GetFileSizeEx */
+#ifndef MS_UWP
#define _WIN32_WINNT 0x0501
+#endif
+
#include <windows.h>
/* context for Win32 source */
+++ /dev/null
-zipcmp=${pc_top_builddir}/${pcfiledir}/src/zipcmp
-
-Name: libzip uninstalled
-Description: library for handling zip archvies, uninstalled
-Version: @VERSION@
-Libs: ${pc_top_builddir}/${pcfiledir}/lib/libzip.la @LIBS@
-Cflags: -I${pc_top_builddir}/${pcfiledir}/@srcdir@/lib
+++ /dev/null
-Directory needed by autoconf, but hg doesn't track empty dirs.
+++ /dev/null
-# visibility.m4 serial 1 (gettext-0.15)
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-dnl Tests whether the compiler supports the command-line option
-dnl -fvisibility=hidden and the function and variable attributes
-dnl __attribute__((__visibility__("hidden"))) and
-dnl __attribute__((__visibility__("default"))).
-dnl Does *not* test for __visibility__("protected") - which has tricky
-dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on
-dnl MacOS X.
-dnl Does *not* test for __visibility__("internal") - which has processor
-dnl dependent semantics.
-dnl Does *not* test for #pragma GCC visibility push(hidden) - which is
-dnl "really only recommended for legacy code".
-dnl Set the variable CFLAG_VISIBILITY.
-dnl Defines and sets the variable HAVE_VISIBILITY.
-
-AC_DEFUN([gl_VISIBILITY],
-[
- AC_REQUIRE([AC_PROG_CC])
- CFLAG_VISIBILITY=
- HAVE_VISIBILITY=0
- if test -n "$GCC"; then
- AC_MSG_CHECKING([for simple visibility declarations])
- AC_CACHE_VAL(gl_cv_cc_visibility, [
- gl_save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -fvisibility=hidden"
- AC_TRY_COMPILE(
- [extern __attribute__((__visibility__("hidden"))) int hiddenvar;
- extern __attribute__((__visibility__("default"))) int exportedvar;
- extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
- extern __attribute__((__visibility__("default"))) int exportedfunc (void);],
- [],
- gl_cv_cc_visibility=yes,
- gl_cv_cc_visibility=no)
- CFLAGS="$gl_save_CFLAGS"])
- AC_MSG_RESULT([$gl_cv_cc_visibility])
- if test $gl_cv_cc_visibility = yes; then
- CFLAG_VISIBILITY="-fvisibility=hidden"
- HAVE_VISIBILITY=1
- fi
- fi
- AC_SUBST([CFLAG_VISIBILITY])
- AC_SUBST([HAVE_VISIBILITY])
- AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
- [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.])
-])
-SET(MDOC3_PAGES
- ZIP_SOURCE_GET_ARGS.mdoc
- libzip.mdoc
- zip_add.mdoc
- zip_add_dir.mdoc
- zip_close.mdoc
- zip_delete.mdoc
- zip_dir_add.mdoc
- zip_discard.mdoc
- zip_error_clear.mdoc
- zip_error_code_system.mdoc
- zip_error_code_zip.mdoc
- zip_error_fini.mdoc
- zip_error_get.mdoc
- zip_error_get_sys_type.mdoc
- zip_error_init.mdoc
- zip_error_set.mdoc
- zip_error_strerror.mdoc
- zip_error_system_type.mdoc
- zip_error_to_data.mdoc
- zip_error_to_str.mdoc
- zip_errors.mdoc
- zip_fclose.mdoc
- zip_fdopen.mdoc
- zip_file_add.mdoc
- zip_file_extra_field_delete.mdoc
- zip_file_extra_field_get.mdoc
- zip_file_extra_field_set.mdoc
- zip_file_extra_fields_count.mdoc
- zip_file_get_comment.mdoc
- zip_file_get_error.mdoc
- zip_file_rename.mdoc
- zip_file_set_comment.mdoc
- zip_file_set_encryption.mdoc
- zip_file_set_external_attributes.mdoc
- zip_file_set_mtime.mdoc
- zip_file_strerror.mdoc
- zip_fopen.mdoc
- zip_fopen_encrypted.mdoc
- zip_fread.mdoc
- zip_fseek.mdoc
- zip_get_archive_comment.mdoc
- zip_get_archive_flag.mdoc
- zip_get_error.mdoc
- zip_get_file_comment.mdoc
- zip_get_name.mdoc
- zip_get_num_entries.mdoc
- zip_get_num_files.mdoc
- zip_libzip_version.mdoc
- zip_name_locate.mdoc
- zip_open.mdoc
- zip_register_progress_callback.mdoc
- zip_register_progress_callback_with_state.mdoc
- zip_rename.mdoc
- zip_set_archive_comment.mdoc
- zip_set_archive_flag.mdoc
- zip_set_default_password.mdoc
- zip_set_file_comment.mdoc
- zip_set_file_compression.mdoc
- zip_source_begin_write.mdoc
- zip_source_buffer.mdoc
- zip_source_close.mdoc
- zip_source_commit_write.mdoc
- zip_source_error.mdoc
- zip_source_file.mdoc
- zip_source_filep.mdoc
- zip_source_free.mdoc
- zip_source_function.mdoc
- zip_source_is_deleted.mdoc
- zip_source_keep.mdoc
- zip_source_make_command_bitmap.mdoc
- zip_source_open.mdoc
- zip_source_read.mdoc
- zip_source_rollback_write.mdoc
- zip_source_seek.mdoc
- zip_source_seek_compute_offset.mdoc
- zip_source_seek_write.mdoc
- zip_source_stat.mdoc
- zip_source_tell.mdoc
- zip_source_tell_write.mdoc
- zip_source_win32a.mdoc
- zip_source_win32handle.mdoc
- zip_source_win32w.mdoc
- zip_source_write.mdoc
- zip_source_zip.mdoc
- zip_stat.mdoc
- zip_stat_init.mdoc
- zip_unchange.mdoc
- zip_unchange_all.mdoc
- zip_unchange_archive.mdoc
+SET(MAN_PAGES
+ ZIP_SOURCE_GET_ARGS.3
+ libzip.3
+ zip_add.3
+ zip_add_dir.3
+ zip_close.3
+ zip_delete.3
+ zip_dir_add.3
+ zip_discard.3
+ zip_error_clear.3
+ zip_error_code_system.3
+ zip_error_code_zip.3
+ zip_error_fini.3
+ zip_error_get.3
+ zip_error_get_sys_type.3
+ zip_error_init.3
+ zip_error_set.3
+ zip_error_strerror.3
+ zip_error_system_type.3
+ zip_error_to_data.3
+ zip_error_to_str.3
+ zip_errors.3
+ zip_fclose.3
+ zip_fdopen.3
+ zip_file_add.3
+ zip_file_extra_field_delete.3
+ zip_file_extra_field_get.3
+ zip_file_extra_field_set.3
+ zip_file_extra_fields_count.3
+ zip_file_get_comment.3
+ zip_file_get_error.3
+ zip_file_get_external_attributes.3
+ zip_file_rename.3
+ zip_file_set_comment.3
+ zip_file_set_encryption.3
+ zip_file_set_external_attributes.3
+ zip_file_set_mtime.3
+ zip_file_strerror.3
+ zip_fopen.3
+ zip_fopen_encrypted.3
+ zip_fread.3
+ zip_fseek.3
+ zip_ftell.3
+ zip_get_archive_comment.3
+ zip_get_archive_flag.3
+ zip_get_error.3
+ zip_get_file_comment.3
+ zip_get_name.3
+ zip_get_num_entries.3
+ zip_get_num_files.3
+ zip_libzip_version.3
+ zip_name_locate.3
+ zip_open.3
+ zip_register_progress_callback.3
+ zip_register_progress_callback_with_state.3
+ zip_rename.3
+ zip_set_archive_comment.3
+ zip_set_archive_flag.3
+ zip_set_default_password.3
+ zip_set_file_comment.3
+ zip_set_file_compression.3
+ zip_source.3
+ zip_source_begin_write.3
+ zip_source_buffer.3
+ zip_source_buffer_fragment.3
+ zip_source_close.3
+ zip_source_commit_write.3
+ zip_source_error.3
+ zip_source_file.3
+ zip_source_filep.3
+ zip_source_free.3
+ zip_source_function.3
+ zip_source_is_deleted.3
+ zip_source_keep.3
+ zip_source_make_command_bitmap.3
+ zip_source_open.3
+ zip_source_read.3
+ zip_source_rollback_write.3
+ zip_source_seek.3
+ zip_source_seek_compute_offset.3
+ zip_source_seek_write.3
+ zip_source_stat.3
+ zip_source_tell.3
+ zip_source_tell_write.3
+ zip_source_win32a.3
+ zip_source_win32handle.3
+ zip_source_win32w.3
+ zip_source_write.3
+ zip_source_zip.3
+ zip_stat.3
+ zip_stat_init.3
+ zip_unchange.3
+ zip_unchange_all.3
+ zip_unchange_archive.3
+ zipcmp.1
+ zipmerge.1
+ ziptool.1
)
-SET(MDOC1_PAGES
- zipcmp.mdoc
- zipmerge.mdoc
- ziptool.mdoc
-)
-SET(MDOC_PAGES ${MDOC1_PAGES} ${MDOC3_PAGES})
-STRING(REGEX REPLACE .mdoc "" MAN1_PAGES "${MDOC1_PAGES}")
-STRING(REGEX REPLACE .mdoc "" MAN3_PAGES "${MDOC3_PAGES}")
-SET(MAN_PAGES ${MAN1_PAGES} ${MAN3_PAGES})
IF(CMAKE_SYSTEM_NAME MATCHES BSD)
SET(MANFMT mdoc)
-ELSE(CMAKE_SYSTEM_NAME MATCHES BSD)
+ELSE()
SET(MANFMT man)
-ENDif(CMAKE_SYSTEM_NAME MATCHES BSD)
-
-# installation
+ENDIF()
-FOREACH(MAN_PAGE ${MAN1_PAGES})
- INSTALL(FILES ${MAN_PAGE}.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man1
- RENAME ${MAN_PAGE}.1)
-ENDFOREACH(MAN_PAGE ${PROGRAMS})
-FOREACH(MAN_PAGE ${MAN3_PAGES})
- INSTALL(FILES ${MAN_PAGE}.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME ${MAN_PAGE}.3)
-ENDFOREACH(MAN_PAGE ${PROGRAMS})
-# TODO: usually symlinks, but I only know how to do this way
-INSTALL(FILES zip_error_clear.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_file_error_clear.3)
-INSTALL(FILES zip_error_get.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_file_error_get.3)
-INSTALL(FILES zip_error_init.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_error_init_with_code.3)
-INSTALL(FILES zip_file_extra_field_delete.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_file_extra_field_delete_by_id.3)
-INSTALL(FILES zip_file_extra_field_get.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_file_extra_field_get_by_id.3)
-INSTALL(FILES zip_file_extra_fields_count.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_file_extra_fields_count_by_id.3)
-INSTALL(FILES zip_file_add.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_file_replace.3)
-INSTALL(FILES zip_fopen.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_fopen_index.3)
-INSTALL(FILES zip_fopen_encrypted.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_fopen_index_encrypted.3)
-INSTALL(FILES zip_open.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_open_from_source.3)
-INSTALL(FILES zip_add.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_replace.3)
-INSTALL(FILES zip_source_function.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_source_function_create.3)
-INSTALL(FILES zip_stat.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_stat_index.3)
-INSTALL(FILES zip_file_strerror.${MANFMT} DESTINATION ${CMAKE_INSTALL_MANDIR}/man3
- RENAME zip_strerror.3)
+FOREACH(MAN_PAGE ${MAN_PAGES})
+ STRING(REGEX REPLACE "[1-9]$" "${MANFMT}" SOURCE_FILE ${MAN_PAGE})
+ STRING(REGEX REPLACE ".*(.)$" "man\\1" SUBDIR ${MAN_PAGE})
+ # CONFIGURE_FILE does not find out about updates to the sources, and it does not provide a target
+ #CONFIGURE_FILE(${SOURCE_FILE} ${MAN_PAGE} COPYONLY)
+ ADD_CUSTOM_COMMAND(OUTPUT ${MAN_PAGE}
+ DEPENDS ${SOURCE_FILE}
+ COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/${SOURCE_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${MAN_PAGE}
+ COMMENT "Preparing ${MAN_PAGE}"
+ )
+ INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${MAN_PAGE} DESTINATION ${CMAKE_INSTALL_MANDIR}/${SUBDIR})
-# custom maintainer targets
+ STRING(REGEX REPLACE "[1-9]$" "html" HTML_FILE ${MAN_PAGE})
+ STRING(REGEX REPLACE "[1-9]$" "man" MAN_FILE ${MAN_PAGE})
+ STRING(REGEX REPLACE "[1-9]$" "mdoc" MDOC_FILE ${MAN_PAGE})
-#FOREACH(MAN ${MAN_PAGES})
-# ADD_CUSTOM_TARGET(${MAN}.man
-# DEPENDS ${MAN}.mdoc
-# COMMAND mandoc -T man ${CMAKE_CURRENT_SOURCE_DIR}/${MAN}.mdoc | sed '/TH/s,"NetBSD [^"]*","NiH",' > ${MAN}.new
-# COMMAND diff -I NiH ${MAN}.new ${CMAKE_CURRENT_SOURCE_DIR}/${MAN}.man || mv ${MAN}.new ${CMAKE_CURRENT_SOURCE_DIR}/${MAN}.man
-# COMMAND rm -f ${MAN}.new
-# COMMENT Updating man page ${MAN}.man
-# )
-# ADD_CUSTOM_TARGET(${MAN}.html
-# DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${MAN}.mdoc
-# COMMAND mandoc -Thtml -Oman="%N.html",style=../nih-man.css ${CMAKE_CURRENT_SOURCE_DIR}/${MAN}.mdoc > ${MAN}.html
-# COMMENT Updating HTML page ${MAN}.html
-# )
-#ENDFOREACH(MAN)
+ # html re-generation
+ ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/${HTML_FILE}
+ DEPENDS ${MDOC_FILE}
+ COMMAND ${CMAKE_COMMAND} -DIN=${MDOC_FILE} -DOUT=${HTML_FILE} -DDIR=${CMAKE_CURRENT_SOURCE_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/update-html.cmake
+ )
+ LIST(APPEND UPDATEHTML ${CMAKE_CURRENT_SOURCE_DIR}/${HTML_FILE})
-#STRING(REGEX REPLACE .mdoc .man MANDEPEND "${MDOC_PAGES}")
-#ADD_CUSTOM_TARGET(update-man
-# DEPENDS ${MANDEPEND})
+ # man re-generation
+ ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/${MAN_FILE}
+ DEPENDS ${MDOC_FILE}
+ COMMAND ${CMAKE_COMMAND} -DIN=${MDOC_FILE} -DOUT=${MAN_FILE} -DDIR=${CMAKE_CURRENT_SOURCE_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/update-man.cmake
+ )
+ LIST(APPEND UPDATEMAN ${CMAKE_CURRENT_SOURCE_DIR}/${MAN_FILE})
+ENDFOREACH()
+ADD_CUSTOM_TARGET(man ALL DEPENDS ${MAN_PAGES})
+ADD_CUSTOM_TARGET(update-man DEPENDS ${UPDATEMAN})
+ADD_CUSTOM_TARGET(update-html DEPENDS ${UPDATEHTML})
-#STRING(REGEX REPLACE .mdoc .html HTMLDEPEND "${MDOC_PAGES}")
-#ADD_CUSTOM_TARGET(update-html
-# DEPENDS ${HTMLDEPEND})
+FILE(STRINGS links MANPAGE_LINKS)
+FOREACH(LINKS_LINE ${MANPAGE_LINKS})
+ IF(${LINKS_LINE} MATCHES "(.*) (.*)")
+ INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_MATCH_1}.3 DESTINATION ${CMAKE_INSTALL_MANDIR}/man3 RENAME ${CMAKE_MATCH_2}.3)
+ ENDIF()
+ENDFOREACH()
-# TODO: strange error:
-#[ 94%] zipcmp.html
-#[ 97%] Built target zipcmp.html
-#[ 97%] zipmerge.html
-#[100%] Built target zipmerge.html
-#make: don't know how to make zipcmp.html. Stop
-
-# TODO: why are all the man pages rebuilt on a second 'make update-html'?
+ADD_CUSTOM_TARGET(update_zip_errors
+ COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/make_zip_errors.sh ${CMAKE_SOURCE_DIR}/lib/zip.h ${CMAKE_CURRENT_SOURCE_DIR}/zip_errors.mdoc
+ DEPENDS ${CMAKE_SOURCE_DIR}/lib/zip.h ${CMAKE_CURRENT_SOURCE_DIR}/zip_errors.mdoc
+)
+++ /dev/null
-MANFMT=@MANFMT@
-man1_MANS=${MAN1:.mdoc=.${MANFMT}}
-man3_MANS=${MAN3:.mdoc=.${MANFMT}}
-
-DISTCLEANFILES=${HTML}
-EXTRA_DIST=${MANDOC} ${MAN} CMakeLists.txt handle_links links
-
-MAN1= zipcmp.mdoc zipmerge.mdoc ziptool.mdoc
-MAN3= \
- ZIP_SOURCE_GET_ARGS.mdoc \
- libzip.mdoc \
- zip_add.mdoc \
- zip_add_dir.mdoc \
- zip_close.mdoc \
- zip_delete.mdoc \
- zip_dir_add.mdoc \
- zip_discard.mdoc \
- zip_error_clear.mdoc \
- zip_error_code_system.mdoc \
- zip_error_code_zip.mdoc \
- zip_error_fini.mdoc \
- zip_error_get.mdoc \
- zip_error_get_sys_type.mdoc \
- zip_error_init.mdoc \
- zip_error_set.mdoc \
- zip_error_strerror.mdoc \
- zip_error_system_type.mdoc \
- zip_error_to_data.mdoc \
- zip_error_to_str.mdoc \
- zip_errors.mdoc \
- zip_fclose.mdoc \
- zip_fdopen.mdoc \
- zip_file_add.mdoc \
- zip_file_extra_field_delete.mdoc \
- zip_file_extra_field_get.mdoc \
- zip_file_extra_field_set.mdoc \
- zip_file_extra_fields_count.mdoc \
- zip_file_get_comment.mdoc \
- zip_file_get_error.mdoc \
- zip_file_get_external_attributes.mdoc \
- zip_file_rename.mdoc \
- zip_file_set_comment.mdoc \
- zip_file_set_encryption.mdoc \
- zip_file_set_external_attributes.mdoc \
- zip_file_set_mtime.mdoc \
- zip_file_strerror.mdoc \
- zip_fopen.mdoc \
- zip_fopen_encrypted.mdoc \
- zip_fread.mdoc \
- zip_fseek.mdoc \
- zip_ftell.mdoc \
- zip_get_archive_comment.mdoc \
- zip_get_archive_flag.mdoc \
- zip_get_error.mdoc \
- zip_get_file_comment.mdoc \
- zip_get_name.mdoc \
- zip_get_num_entries.mdoc \
- zip_get_num_files.mdoc \
- zip_libzip_version.mdoc \
- zip_name_locate.mdoc \
- zip_open.mdoc \
- zip_rename.mdoc \
- zip_register_progress_callback.mdoc \
- zip_register_progress_callback_with_state.mdoc \
- zip_set_archive_comment.mdoc \
- zip_set_archive_flag.mdoc \
- zip_set_default_password.mdoc \
- zip_set_file_comment.mdoc \
- zip_set_file_compression.mdoc \
- zip_source.mdoc \
- zip_source_begin_write.mdoc \
- zip_source_buffer.mdoc \
- zip_source_close.mdoc \
- zip_source_commit_write.mdoc \
- zip_source_error.mdoc \
- zip_source_file.mdoc \
- zip_source_filep.mdoc \
- zip_source_free.mdoc \
- zip_source_function.mdoc \
- zip_source_is_deleted.mdoc \
- zip_source_keep.mdoc \
- zip_source_make_command_bitmap.mdoc \
- zip_source_open.mdoc \
- zip_source_read.mdoc \
- zip_source_rollback_write.mdoc \
- zip_source_seek.mdoc \
- zip_source_seek_compute_offset.mdoc \
- zip_source_seek_write.mdoc \
- zip_source_stat.mdoc \
- zip_source_tell.mdoc \
- zip_source_tell_write.mdoc \
- zip_source_win32a.mdoc \
- zip_source_win32handle.mdoc \
- zip_source_win32w.mdoc \
- zip_source_write.mdoc \
- zip_source_zip.mdoc \
- zip_stat.mdoc \
- zip_stat_init.mdoc \
- zip_unchange.mdoc \
- zip_unchange_all.mdoc \
- zip_unchange_archive.mdoc
-
-install-data-hook: link-man3
-
-LN=ln -f
-
-link-man3: install-man3 uninstall-hook
- @${srcdir}/handle_links install directory=${DESTDIR}${man3dir} extension=3 command="${LN}" file=${srcdir}/links
-
-uninstall-hook:
- @${srcdir}/handle_links uninstall directory=${DESTDIR}${man3dir} extension=3 command="rm -f" file=${srcdir}/links
-
-link-html: ${HTML}
- @${srcdir}/handle_links uninstall directory=. extension=html command="rm -f" file=${srcdir}/links
- @${srcdir}/handle_links install directory=. extension=html command="${LN}" file=${srcdir}/links
-
-MANDOC=${MAN1} ${MAN3}
-HTML=${MANDOC:.mdoc=.html}
-MAN=${MANDOC:.mdoc=.man}
-
-SUFFIXES=.man .mdoc .html
-
-.PHONY: mkman update-errors
-
-mkman: ${MAN}
-mkhtml: ${HTML} link-html
-
-mkdocset: mkdocset.pl ${HTML}
- SRCDIR=${srcdir} perl ${srcdir}/mkdocset.pl ${HTML}
-
-update-errors:
- sh $(srcdir)/make_zip_errors.sh $(srcdir)/../lib/zip.h zip_errors.mdoc
-
-.mdoc.man:
- mandoc -T man $< | sed '/TH/s,"NetBSD [^"]*","NiH",' > $@.$$$$ && mv $@.$$$$ $@
-
-.mdoc.html:
- mandoc -Thtml -Oman="%N.html",style=../nih-man.css $< | ${srcdir}/fix-man-links.sh > $@.$$$$ && mv $@.$$$$ $@
--- /dev/null
+.TH "ZIP_SOURCE_GET_ARGS" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBZIP_SOURCE_GET_ARGS\fR
+\- validate and cast arguments to source callback
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fItype *\fR
+.br
+.PD 0
+.HP 4n
+\fBZIP_SOURCE_GET_ARGS\fR(\fItype\fR, \fIvoid\ *data\fR, \fIzip_uint64_t\ len\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBZIP_SOURCE_GET_ARGS\fR()
+macro casts
+\fIdata\fR
+to a pointer to
+\fItype\fR.
+.SH "RETURN VALUES"
+On success,
+\fBZIP_SOURCE_GET_ARGS\fR()
+returns
+\fIdata\fR.
+In case of error, it returns
+\fRNULL\fR
+and sets
+\fIerror\fR.
+.SH "ERRORS"
+\fBZIP_SOURCE_GET_ARGS\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIlen\fR
+is less than the size of
+\fItype\fR
+.SH "SEE ALSO"
+libzip(3),
+zip_source_function(3)
+.SH "HISTORY"
+\fBZIP_SOURCE_GET_ARGS\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" ZIP_SOURCE_GET_ARGS -- validate and cast arguments to source callback
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_GET_ARGS 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source_function 3
+.Sh HISTORY
+.Fn ZIP_SOURCE_GET_ARGS
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
+++ /dev/null
-#!/bin/sh
-
-# <a class="link-man" href="zip_errors.html">
-LINKBASE='http://pubs.opengroup.org/onlinepubs/9699919799/functions/'
-
-sed -E -e 's,(<a class="link-man" href=")([^"]*)(">),\1'"$LINKBASE"'\2\3,g' -e "s,$LINKBASE"'(libzip|zip),\1,g'
--- /dev/null
+.TH "LIBZIP" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBlibzip\fR
+\- library for manipulating zip archives
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.SH "DESCRIPTION"
+\fBlibzip\fR
+is a library for reading, creating, and modifying zip archives.
+.PP
+The main design criteria for
+\fBlibzip\fR
+were:
+.PD 0
+.TP 4n
+\fB\(bu\fR
+Do not create corrupt files, even in case of errors.
+.TP 4n
+\fB\(bu\fR
+Do not delete data.
+.TP 4n
+\fB\(bu\fR
+Be efficient.
+.PD
+.PP
+For this reason, when modifying zip archives,
+\fBlibzip\fR
+writes to a temporary file and replaces the original
+zip archive atomically.
+.PP
+Below there are two sections listing functions: one for how to read
+from zip archives and one for how to create/modify them.
+.SH "READING ZIP ARCHIVES"
+.SS "open archive"
+.TP 4n
+\fB\(bu\fR
+zip_open(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_fdopen(3)
+.PD
+.SS "find files"
+.TP 4n
+\fB\(bu\fR
+zip_name_locate(3)
+.SS "read files"
+.TP 4n
+\fB\(bu\fR
+zip_fopen(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_fopen_encrypted(3)
+.TP 4n
+\fB\(bu\fR
+zip_fopen_index(3)
+.TP 4n
+\fB\(bu\fR
+zip_fopen_index_encrypted(3)
+.TP 4n
+\fB\(bu\fR
+zip_fread(3)
+.TP 4n
+\fB\(bu\fR
+zip_fseek(3)
+(uncompressed files only)
+.TP 4n
+\fB\(bu\fR
+zip_ftell(3)
+(uncompressed files only)
+.TP 4n
+\fB\(bu\fR
+zip_fclose(3)
+.PD
+.SS "close archive"
+.TP 4n
+\fB\(bu\fR
+zip_close(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_discard(3)
+.PD
+.SS "miscellaneous"
+.TP 4n
+\fB\(bu\fR
+zip_stat(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_file_get_comment(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_get_external_attributes(3)
+.TP 4n
+\fB\(bu\fR
+zip_get_archive_comment(3)
+.TP 4n
+\fB\(bu\fR
+zip_get_archive_flag(3)
+.TP 4n
+\fB\(bu\fR
+zip_get_name(3)
+.TP 4n
+\fB\(bu\fR
+zip_get_num_entries(3)
+.TP 4n
+\fB\(bu\fR
+zip_set_default_password(3)
+.PD
+.SH "CREATING/MODIFYING ZIP ARCHIVES"
+.SS "create/open archive"
+.TP 4n
+\fB\(bu\fR
+zip_open(3)
+.SS "add/change files and directories"
+.TP 4n
+\fB\(bu\fR
+zip_dir_add(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_file_add(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_replace(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_set_comment(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_set_external_attributes(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_set_encryption(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_set_mtime(3)
+.TP 4n
+\fB\(bu\fR
+zip_set_file_compression(3)
+.TP 4n
+\fB\(bu\fR
+zip_source_buffer(3)
+.TP 4n
+\fB\(bu\fR
+zip_source_file(3)
+.TP 4n
+\fB\(bu\fR
+zip_source_filep(3)
+.TP 4n
+\fB\(bu\fR
+zip_source_free(3)
+.TP 4n
+\fB\(bu\fR
+zip_source_function(3)
+.TP 4n
+\fB\(bu\fR
+zip_source_zip(3)
+.PD
+.SS "rename files"
+.TP 4n
+\fB\(bu\fR
+zip_rename(3)
+.SS "delete files"
+.TP 4n
+\fB\(bu\fR
+zip_delete(3)
+.SS "revert changes"
+.TP 4n
+\fB\(bu\fR
+zip_unchange(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_unchange_all(3)
+.TP 4n
+\fB\(bu\fR
+zip_unchange_archive(3)
+.PD
+.SS "read/modify extra fields"
+.TP 4n
+\fB\(bu\fR
+zip_file_extra_field_by_id(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_file_extra_field_delete(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_extra_field_delete_by_id(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_extra_field_get(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_extra_field_set(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_extra_fields_count(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_extra_fields_count_by_id(3)
+.PD
+.SS "close archive"
+.TP 4n
+\fB\(bu\fR
+zip_close(3)
+.SS "miscellaneous"
+.TP 4n
+\fB\(bu\fR
+zip_libzip_version(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_register_progress_callback_with_state(3)
+.TP 4n
+\fB\(bu\fR
+zip_set_archive_comment(3)
+.TP 4n
+\fB\(bu\fR
+zip_set_archive_flag(3)
+.TP 4n
+\fB\(bu\fR
+zip_source(3)
+.PD
+.SH "ERROR HANDLING"
+.TP 4n
+\fB\(bu\fR
+zip_error_to_str(3)
+.PD 0
+.TP 4n
+\fB\(bu\fR
+zip_strerror(3)
+.TP 4n
+\fB\(bu\fR
+zip_file_strerror(3)
+.TP 4n
+\fB\(bu\fR
+zip_error_get(3)
+.TP 4n
+\fB\(bu\fR
+zip_error_get_sys_type(3)
+.TP 4n
+\fB\(bu\fR
+zip_errors(3)
+.PD
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt LIBZIP 3
.Os
.Sh NAME
+zip_add zip_replace
zip_error_clear zip_file_error_clear
zip_error_get zip_file_error_get
zip_error_init zip_error_init_with_code
zip_file_extra_field_delete zip_file_extra_field_delete_by_id
zip_file_extra_field_get zip_file_extra_field_get_by_id
zip_file_extra_fields_count zip_file_extra_fields_count_by_id
+zip_file_strerror zip_strerror
zip_fopen zip_fopen_index
zip_fopen_encrypted zip_fopen_index_encrypted
-zip_add zip_replace
zip_open zip_open_from_source
-zip_stat zip_stat_index
+zip_source_begin_write zip_source_begin_write_cloning
+zip_source_buffer zip_source_buffer_create
+zip_source_buffer_fragment zip_source_buffer_fragment_create
+zip_source_file zip_source_file_create
+zip_source_filep zip_source_filep_create
zip_source_function zip_source_function_create
-zip_file_strerror zip_strerror
zip_source_win32a zip_source_win32a_create
zip_source_win32handle zip_source_win32handle_create
zip_source_win32w zip_source_win32w_create
+zip_stat zip_stat_index
+++ /dev/null
-#!/bin/sh
-
-# make_zip_errrors.sh: create zip_errors.mdoc from zip.h
-# Copyright (C) 1999-2013 Dieter Baron and Thomas Klausner
-#
-# This file is part of libzip, a library to manipulate ZIP archives.
-# The authors can be contacted at <libzip@nih.at>
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# 3. The names of the authors may not be used to endorse or promote
-# products derived from this software without specific prior
-# written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
-# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
-# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
-# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
-# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
-# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-if [ "$#" -ne 2 ]
-then
- echo "Usage: $0 in_file out_file" >&2
- echo " e.g. $0 zip.h zip_err_str.c" >&2
- exit 1
-fi
-
-if [ "$1" = "$2" ]
-then
- echo "$0: error: output file = input file" >&2
- exit 1
-fi
-
-date=`LC_TIME=en_US date '+%B %e, %Y' | sed 's/ / /'`
-
-cat <<EOF >> "$2.$$" || exit 1
-.\" zip_errors.mdoc -- list of all libzip error codes
-.\" Copyright (C) 1999-2013 Dieter Baron and Thomas Klausner
-.\"
-.\" This file is part of libzip, a library to manipulate ZIP archives.
-.\" The authors can be contacted at <libzip@nih.at>
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in
-.\" the documentation and/or other materials provided with the
-.\" distribution.
-.\" 3. The names of the authors may not be used to endorse or promote
-.\" products derived from this software without specific prior
-.\" written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS \`\`AS IS'' AND ANY EXPRESS
-.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
-.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
-.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
-.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
-.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\"
-.\" This file was generated automatically by $0
-.\" from $1; make changes there.
-.\"
-.Dd $date
-.Dt ZIP_ERRORS 3
-.Os
-.Sh NAME
-.Nm zip_errors
-.Nd list of all libzip error codes
-.Sh LIBRARY
-libzip (-lzip)
-.Sh SYNOPSIS
-.In zip.h
-.Sh DESCRIPTION
-The following error codes are used by libzip:
-.Bl -tag -width XZIPXERXCOMPNOTSUPPXX
-EOF
-
-sed -n 's/^#define \(ZIP_ER_[A-Z_0-9]*\).*\/\* \(.\) \([^*]*\) \*\//.It Bq Er \1@\3./p' "$1" \
- | sort\
- | tr @ '\012' \
- >> "$2.$$" || exit 1
-
-cat <<EOF >> "$2.$$" || exit 1
-.El
-.Sh AUTHORS
-.An -nosplit
-.An Dieter Baron Aq Mt dillo@nih.at
-and
-.An Thomas Klausner Aq Mt tk@giga.or.at
-EOF
-
-mv "$2.$$" "$2" || exit 1
+++ /dev/null
-#!/usr/bin/env perl
-
-use strict;
-
-my $DOCSETUTIL = '/Applications/Xcode.app/Contents/Developer/usr/bin/docsetutil';
-
-my $BASE_URL = 'http://nih.at/libzip';
-my $BUNDLE_ID = 'at.nih.libzip';
-
-my $SRCDIR = $ENV{SRCDIR} // '.';
-
-my @files = @ARGV;
-
-my $docset = 'at.nih.libzip.docset';
-my @sh_nodes = qw(zipcmp zipmerge ziptool);
-
-(system('rm', '-rf', $docset) == 0) or die "can't remove old version of docset: $!";
-
-mkdir($docset) or die "can't create docset directory: $!";
-mkdir("$docset/Contents") or die "can't create docset directory: $!";
-mkdir("$docset/Contents/Resources") or die "can't create docset directory: $!";
-mkdir("$docset/Contents/Resources/Documents") or die "can't create docset directory: $!";
-
-my $version = `sed -n 's/#define PACKAGE_VERSION "\\(.*\\)"/\\1/p' ../config.h`;
-chomp $version;
-
-my $suffix = '';
-$suffix = '-hg' if ($version =~ /[a-z]$/);
-
-my $package_file = "$BUNDLE_ID-$version.xar";
-my $download_url = "$BASE_URL/$package_file";
-my $feed_url = "$BASE_URL/at.nih.libzip$suffix.atom";
-
-open I, "> $docset/Contents/Info.plist" or die "can't create Info.plist: $!";
-print I <<EOF;
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
- <key>CFBundleIdentifier</key>
- <string>$BUNDLE_ID.docset</string>
- <key>CFBundleName</key>
- <string>libzip</string>
- <key>DocSetPublisherIdentifier</key>
- <string>at.nih</string>
- <key>DocSetPublisherName</key>
- <string>NiH</string>
- <key>NSHumanReadableCopyright</key>
- <string>Copyright © 2016 Dieter Baron and Thomas Klausner</string>
- <key>CFBundleVersion</key>
- <string>$version</string>
- <key>DocSetFeedURL</key>
- <string>$feed_url</string>
- <key>DocSetFeedName</key>
- <string>libzip</string>
-</dict>
-</plist>
-EOF
-close I;
-
-open N, "> $docset/Contents/Resources/Nodes.xml" or die "can't create Nodes.xml: $!";
-
-my %tl_nodes = (libzip => 1);
-
-for (@sh_nodes) {
- $tl_nodes{$_} = 1;
-}
-
-my @tokens = ();
-
-print N <<EOF;
-<?xml version="1.0" encoding="UTF-8"?>
-<DocSetNodes version="1.0">
- <TOC>
- <Node noindex="1" type="folder">
- <Name>libzip package</Name>
- <Subnodes>
- <Node noindex="1" type="folder">
- <Name>Library</Name>
- <Path>libzip.html</Path>
- <Subnodes>
-EOF
-
-
-my $id = 1001;
-
-for my $html (@files) {
- my $name = $html;
- $name =~ s/.html//;
-
- if ($tl_nodes{$name}) {
- next;
- }
-
- process_file($html, 'c', $id++);
-}
-
-print N " </Subnodes>\n";
-print N " </Node>\n";
-print N " <Node noindex=\"1\" type=\"folder\">\n";
-print N " <Name>Commands</Name>\n";
-print N " <Subnodes>\n";
-
-$id = 2;
-
-for my $name (@sh_nodes) {
- process_file("$name.html", 'c', $id++);
-}
-
-print N " </Subnodes>\n";
-print N " </Node>\n";
-print N " </Subnodes>\n";
-print N " </Node>\n";
-print N " </TOC>\n";
-print N "</DocSetNodes>\n";
-
-close N;
-
-link("$SRCDIR/nih-man.css", "$docset/Contents/Resources/Documents/nih-man.css") or die "can't link css file: $!";
-copy_html('libzip.html', "$docset/Contents/Resources/Documents/libzip.html");
-
-write_tokens();
-
-system($DOCSETUTIL, 'index', $docset) == 0 or die "can't index docset: $!";
-system($DOCSETUTIL, 'validate', $docset) == 0 or die "can't validate docset: $!";
-
-unlink("$docset/Contents/Resources/Nodes.xml");
-unlink("$docset/Contents/Resources/Tokens.xml");
-
-system($DOCSETUTIL, 'package', '-output', "at.nih.libzip-$version.xar", '-atom', "at.nih.libzip$suffix.atom", '-download-url', "$BASE_URL/at.nih.libzip-$version.xar", $docset);
-
-
-sub copy_html {
- my ($src, $dst) = @_;
-
- my $content = `cat $src`;
- $content =~ s,</head>,<meta name="viewport" content="width=device-width"></head>,;
- $content =~ s,../nih-man.css,nih-man.css,;
-
- # remove header and footer
- $content =~ s,<table[^>]*class="(heade?r?|foote?r?)".*?</table>,,sg;
-
- $content =~ s,(<div class="sec-body") style="margin-left: 5.00ex;",$1,g;
- $content =~ s,(<div class="ssec-head") style="margin-left: -2.00ex;",$1,g;
-
- open X, "> $dst" or die "can't create $dst: $!";
- print X $content;
- close X;
-}
-
-sub process_file {
- my ($html, $lang, $id) = @_;
-
- my $name = $html;
- $name =~ s/.html//;
- my $mdoc = "$SRCDIR/$name.mdoc";
-
- my $description;
- my @names = ();
-
- open MD, "< $mdoc" or die "can't open $mdoc: $!";
-
- while (my $line = <MD>) {
- if ($line =~ m/^.Nm (.*?)( ,)?$/) {
- push @names, $1;
- }
- elsif ($line =~ m/^.Nd (.*)/) {
- $description = $1;
- }
- elsif ($line =~ m/^.Sh SYNOPSIS/) {
- last;
- }
- }
-
- close MD;
-
- print N " <Node id=\"$id\">\n";
- print N " <Name>$name</Name>\n";
- print N " <Path>$html</Path>\n";
- print N " </Node>\n";
-
- for my $name (@names) {
- push @tokens, { type => "//apple_ref/$lang/func",
- path => $html,
- name => $name,
- description => $description,
- id => $id };
- }
-
- copy_html($html, "$docset/Contents/Resources/Documents/$html");
-}
-
-sub write_token {
- my ($T, $token) = @_;
-
- print $T " <Token>\n";
- print $T " <TokenIdentifier>$token->{type}/$token->{name}</TokenIdentifier>\n";
- print $T " <Path>$token->{path}</Path>\n";
- print $T " <Abstract>$token->{description}</Abstract>\n";
- print $T " <NodeRef refid=\"$token->{id}\" />\n";
- print $T " </Token>\n";
-}
-
-sub write_tokens {
- open my $T, "> $docset/Contents/Resources/Tokens.xml" or die "can't create Tokens.xml: $!";
- print $T "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
- print $T "<Tokens version=\"1.0\">\n";
-
- for my $token (sort { $a->{name} cmp $b->{name} } @tokens) {
- write_token($T, $token);
- }
-
- print $T "</Tokens>\n";
-
- close $T;
-}
+++ /dev/null
-div.lit {
- font-family: monospace;
-}
-div.sec-head, div.ssec-head, h1, h2 {
- padding: 4pt;
- border: solid;
- border-width: 1px;
- border-color: #555555;
- background: #aaaaaa;
- font-weight: bold;
-}
-div.sec-head, h1 {
- font-size: large;
-}
-h2 {
- font-size: medium;
-}
-div.sec-body, div.ssec-body {
- margin-top: 1em;
-}
-span.arg {
- font-style: italic;
-}
-span.define {
-}
-span.emph {
-}
-span.errno {
-}
-span.farg {
- font-style: italic;
-}
-span.fname {
- font-weight: bold;
-}
-span.ftype {
- font-style: italic;
-}
-span.includes {
- font-weight: bold;
-}
-span.name {
- font-weight: bold;
-}
-
-/* copied from nih's style.css */
-body {
- background: #cccccc;
-}
-a {
- text-decoration: none;
-}
-a:link {
- color: #555555;
-}
-a:visited {
- color: #666666;
-}
-a:hover {
- color: #777777;
-}
--- /dev/null
+# expect variables IN, OUT, and DIR
+EXECUTE_PROCESS(COMMAND mandoc -T html -Oman=%N.html,style=../nih-man.css ${DIR}/${IN}
+ OUTPUT_VARIABLE HTML)
+SET(LINKBASE "http://pubs.opengroup.org/onlinepubs/9699919799/functions/")
+STRING(REGEX REPLACE "(<a class=\"Xr\" href=\")([^\"]*)(\">)" "\\1${LINKBASE}\\2\\3" HTML "${HTML}")
+STRING(REGEX REPLACE "${LINKBASE}(libzip|zip)" "\\1" HTML "${HTML}")
+FILE(WRITE ${DIR}/${OUT}.new "${HTML}")
+CONFIGURE_FILE(${DIR}/${OUT}.new ${DIR}/${OUT} COPYONLY)
+FILE(REMOVE ${DIR}/${OUT}.new)
+
+
--- /dev/null
+# expect variables IN, OUT, and DIR
+EXECUTE_PROCESS(COMMAND mandoc -T man ${DIR}/${IN} OUTPUT_VARIABLE MAN)
+STRING(REGEX REPLACE "NetBSD [0-9.]*" "NiH" MAN "${MAN}")
+FILE(WRITE ${DIR}/${OUT}.new "${MAN}")
+CONFIGURE_FILE(${DIR}/${OUT}.new ${DIR}/${OUT} COPYONLY)
+FILE(REMOVE ${DIR}/${OUT}.new)
+
--- /dev/null
+.TH "ZIP_ADD" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_add\fR,
+\fBzip_replace\fR
+\- add file to zip archive or replace file in zip archive (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_add\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *name\fR, \fIzip_source_t\ *source\fR);
+.PD
+.PP
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_replace\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_add\fR()
+is the obsolete version of
+zip_file_add(3).
+It is the same as calling
+zip_file_add(3)
+with an empty
+\fIflags\fR
+argument.
+Similarly, the
+\fBzip_replace\fR()
+function is the obsolete version of
+zip_file_replace(3).
+It is the same as calling
+zip_file_replace(3)
+with an empty
+\fIflags\fR
+argument.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_add(3),
+zip_file_replace(3)
+.SH "HISTORY"
+\fBzip_add\fR()
+was added in libzip 0.6.
+In libzip 0.10 the return type was changed from
+\fIint\fR
+to
+\fIzip_int64_t\fR.
+It was deprecated in libzip 0.11, use
+\fBzip_file_add\fR()
+instead.
+.PP
+\fBzip_replace\fR()
+was added in libzip 0.6.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+It was deprecated in libzip 0.11, use
+\fBzip_file_replace\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_add.mdoc -- add files to zip archive
-.\" Copyright (C) 2004-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_ADD 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_file_add 3 ,
.Xr zip_file_replace 3
+.Sh HISTORY
+.Fn zip_add
+was added in libzip 0.6.
+In libzip 0.10 the return type was changed from
+.Vt int
+to
+.Vt zip_int64_t .
+It was deprecated in libzip 0.11, use
+.Fn zip_file_add
+instead.
+.Pp
+.Fn zip_replace
+was added in libzip 0.6.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
+It was deprecated in libzip 0.11, use
+.Fn zip_file_replace
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ADD_DIR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_add_dir\fR
+\- add directory to zip archive (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_add_dir\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *name\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_add_dir\fR()
+is the obsolete version of
+zip_dir_add(3).
+It is the same as calling
+zip_dir_add(3)
+with an empty flags argument.
+.SH "SEE ALSO"
+libzip(3),
+zip_dir_add(3)
+.SH "HISTORY"
+\fBzip_add_dir\fR()
+was added in libzip 0.8.
+In libzip 0.10 the return type was changed from
+\fIint\fR
+to
+\fIzip_int64_t\fR.
+It was deprecated in libzip 0.11, use
+\fBzip_dir_add\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_add_dir.mdoc -- add directory to zip archive
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_ADD_DIR 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_dir_add 3
+.Sh HISTORY
+.Fn zip_add_dir
+was added in libzip 0.8.
+In libzip 0.10 the return type was changed from
+.Vt int
+to
+.Vt zip_int64_t .
+It was deprecated in libzip 0.11, use
+.Fn zip_dir_add
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_CLOSE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_close\fR
+\- close zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_close\fR(\fIzip_t\ *archive\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_close\fR()
+function writes any changes made to
+\fIarchive\fR
+to disk.
+If
+\fIarchive\fR
+contains no files, the file is completely removed (no empty archive is
+written).
+If successful,
+\fIarchive\fR
+is freed.
+If writing fails,
+\fBzip_close\fR()
+fails;
+\fIarchive\fR
+is left unchanged and must still be freed.
+.PP
+To close and free a zip archive without saving changes, use
+zip_discard(3).
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_close\fR()
+will fail if:
+.TP 19n
+[\fRZIP_ER_EOF\fR]
+Unexpected end-of-file found while reading from a file.
+.TP 19n
+[\fRZIP_ER_INTERNAL\fR]
+The callback function of an added or replaced file returned an
+error but failed to report which.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+The
+\fIpath\fR
+argument is
+\fRNULL\fR.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_NOZIP\fR]
+File is not a zip archive.
+.TP 19n
+[\fRZIP_ER_READ\fR]
+A file read failed.
+.TP 19n
+[\fRZIP_ER_RENAME\fR]
+A temporary file could not be renamed to its final name.
+.TP 19n
+[\fRZIP_ER_SEEK\fR]
+A file seek failed.
+.TP 19n
+[\fRZIP_ER_TMPOPEN\fR]
+A temporary file could not be created.
+.TP 19n
+[\fRZIP_ER_WRITE\fR]
+A file write failed.
+.TP 19n
+[\fRZIP_ER_ZLIB\fR]
+An error occurred while (de)compressing a stream with
+zlib(3).
+.PD 0
+.PP
+Additionally, any errors returned by the callback function
+for added or replaced files will be passed back.
+.PD
+.SH "SEE ALSO"
+libzip(3),
+zip_discard(3),
+zip_error_get(3),
+zip_fdopen(3),
+zip_open(3),
+zip_register_progress_callback_with_state(3),
+zip_strerror(3)
+.SH "HISTORY"
+\fBzip_close\fR()
+was added in libzip 0.6.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_close.mdoc -- close zip archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_CLOSE 3
.Os
.Sh NAME
.Sh DESCRIPTION
The
.Fn zip_close
-function closes
+function writes any changes made to
.Ar archive
-and frees the memory allocated for it.
-If any files within were changed, those changes are written to disk
-first.
-If writing changes fails,
-.Fn zip_close
-fails and
-.Ar archive
-is left unchanged.
+to disk.
If
.Ar archive
contains no files, the file is completely removed (no empty archive is
written).
+If successful,
+.Ar archive
+is freed.
+If writing fails,
+.Fn zip_close
+fails;
+.Ar archive
+is left unchanged and must still be freed.
.Pp
-To close a zip file without saving changes, use
+To close and free a zip archive without saving changes, use
.Xr zip_discard 3 .
.Sh RETURN VALUES
Upon successful completion 0 is returned.
.Xr zip_open 3 ,
.Xr zip_register_progress_callback_with_state 3 ,
.Xr zip_strerror 3
+.Sh HISTORY
+.Fn zip_close
+was added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_DELETE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_delete\fR
+\- delete file from zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_delete\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR);
+.PD
+.SH "DESCRIPTION"
+The file at position
+\fIindex\fR
+in the zip archive
+\fIarchive\fR
+is marked as deleted.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_delete\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_unchange(3)
+.SH "HISTORY"
+\fBzip_delete\fR()
+was added in libzip 0.6.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_delete.mdoc -- delete files from zip archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd March 10, 2009
+.Dd December 18, 2017
.Dt ZIP_DELETE 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_unchange 3
+.Sh HISTORY
+.Fn zip_delete
+was added in libzip 0.6.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_DIR_ADD" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_dir_add\fR
+\- add directory to zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_dir_add\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *name\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_dir_add\fR()
+adds a directory to a zip archive.
+The argument
+\fIarchive\fR
+specifies the zip archive to which the directory should be added.
+\fIname\fR
+is the directory's name in the zip archive.
+The
+\fIflags\fR
+argument can be any of:
+.TP 22n
+\fRZIP_FL_ENC_GUESS\fR
+Guess encoding of
+\fIname\fR
+(default).
+.TP 22n
+\fRZIP_FL_ENC_UTF_8\fR
+Interpret
+\fIname\fR
+as UTF-8.
+.TP 22n
+\fRZIP_FL_ENC_CP437\fR
+Interpret
+\fIname\fR
+as code page 437 (CP-437).
+.SH "RETURN VALUES"
+Upon successful completion, the index of the new entry in the archive
+is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_dir_add\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_EXISTS\fR]
+There is already an entry called
+\fIname\fR
+in the archive.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIarchive\fR
+or
+\fIname\fR
+are
+\fRNULL\fR,
+or invalid UTF-8 encoded file names.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3)
+.SH "HISTORY"
+\fBzip_dir_add\fR()
+was added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
+.SH "CAVEATS"
+\fBzip_dir_add\fR()
+does not look in the file system, it just creates one entry in the
+archive for the provided name.
.\" zip_dir_add.mdoc -- add directory to zip archive
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 4, 2014
+.Dd December 18, 2017
.Dt ZIP_DIR_ADD 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_add 3
+.Sh HISTORY
+.Fn zip_dir_add
+was added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_DISCARD" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_discard\fR
+\- close zip archive and discard changes
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_discard\fR(\fIzip_t\ *archive\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_discard\fR()
+function closes
+\fIarchive\fR
+and frees the memory allocated for it.
+Any changes to the archive are not written to disk and discarded.
+.SH "SEE ALSO"
+libzip(3),
+zip_close(3)
+.SH "HISTORY"
+\fBzip_discard\fR()
+was added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_discard.mdoc -- close zip archive and discard changes
-.\" Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd February 13, 2012
+.Dd December 18, 2017
.Dt ZIP_DISCARD 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_close 3
+.Sh HISTORY
+.Fn zip_discard
+was added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_CLEAR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_clear\fR,
+\fBzip_file_error_clear\fR
+\- clear error state for archive or file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_clear\fR(\fIzip_t\ *archive\fR);
+.PD
+.PP
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_error_clear\fR(\fIzip_file_t\ *file\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_clear\fR()
+function clears the error state for the zip archive
+\fIarchive\fR.
+.PP
+The
+\fBzip_file_error_clear\fR()
+function does the same for the zip file
+\fIfile\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_get(3)
+.SH "HISTORY"
+\fBzip_error_clear\fR()
+and
+\fBzip_file_error_clear\fR()
+were added in libzip 0.8.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_clear.mdoc -- clear error state for archive or file
-.\" Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_CLEAR 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_error_get 3
+.Sh HISTORY
+.Fn zip_error_clear
+and
+.Fn zip_file_error_clear
+were added in libzip 0.8.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_CODE_SYSTEM" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_code_system\fR
+\- get operating system error part of zip_error
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_code_system\fR(\fIconst\ zip_error_t\ *ze\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_code_system\fR()
+function returns the system specific part of the error from the
+zip_error error
+\fIze\fR.
+For finding out what system reported the error, use
+zip_error_system_type(3).
+.SH "SEE ALSO"
+libzip(3),
+zip_error_code_zip(3),
+zip_error_system_type(3)
+.SH "HISTORY"
+\fBzip_error_code_system\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_code_system.mdoc -- get system error part of zip_error
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_CODE_SYSTEM 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_error_code_zip 3 ,
.Xr zip_error_system_type 3
+.Sh HISTORY
+.Fn zip_error_code_system
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_CODE_ZIP" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_code_zip\fR
+\- get libzip error part of zip_error
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_code_zip\fR(\fIconst\ zip_error_t\ *ze\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_code_zip\fR()
+function returns the libzip specific part of the error from the
+zip_error error
+\fIze\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_code_system(3)
+.SH "HISTORY"
+\fBzip_error_code_zip\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_code_zip.mdoc -- get libzip error part of zip_error
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_CODE_ZIP 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_error_code_system 3
+.Sh HISTORY
+.Fn zip_error_code_zip
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_FINI" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_fini\fR
+\- clean up zip_error structure
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_fini\fR(\fIzip_error_t\ *ze\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_fini\fR()
+function cleans up and frees internally allocated memory of the
+zip_error pointed to by
+\fIze\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_init(3)
+.SH "HISTORY"
+\fBzip_error_fini\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_fini.mdoc -- clean up zip_error
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_FINI 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_error_init 3
+.Sh HISTORY
+.Fn zip_error_fini
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_GET" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_get\fR,
+\fBzip_file_error_get\fR
+\- get error codes for archive or file (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_get\fR(\fIzip_t\ *archive\fR, \fIint\ *zep\fR, \fIint\ *sep\fR);
+.PD
+.PP
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_error_get\fR(\fIzip_file_t\ *file\fR, \fIint\ *zep\fR, \fIint\ *sep\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_error_get\fR()
+and
+\fBzip_file_error_get\fR()
+are deprecated.
+Use
+zip_error_code_system(3),
+zip_error_code_zip(3),
+zip_file_get_error(3),
+and
+zip_get_error(3)
+instead.
+.PP
+For
+\fBzip_error_get\fR(),
+replace
+.nf
+.sp
+.RS 6n
+int ze, se;
+zip_error_get(za, &ze, &se);
+.RE
+.fi
+with
+.nf
+.sp
+.RS 6n
+int ze, se;
+zip_error_t *error = zip_get_error(za);
+ze = zip_error_code_zip(error);
+se = zip_error_code_system(error);
+.RE
+.fi
+For
+\fBzip_file_error_get\fR(),
+replace
+.nf
+.sp
+.RS 6n
+int ze, se;
+zip_file_error_get(zf, &ze, &se);
+.RE
+.fi
+with
+.nf
+.sp
+.RS 6n
+int ze, se;
+zip_error_t *error = zip_file_get_error(zf);
+ze = zip_error_code_zip(error);
+se = zip_error_code_system(error);
+.RE
+.fi
+.SH "SEE ALSO"
+libzip(3),
+zip_error_code_system(3),
+zip_error_code_zip(3),
+zip_file_get_error(3),
+zip_get_error(3)
+.SH "HISTORY"
+\fBzip_error_get\fR()
+was added in libzip 0.6.
+It was deprecated in libzip 1.0, use
+\fBzip_get_error\fR(),
+\fBzip_error_code_zip\fR(),
+/
+\fBzip_error_code_system\fR()
+instead.
+.PP
+\fBzip_file_error_get\fR()
+was added in libzip 0.6.
+It was deprecated in libzip 1.0, use
+\fBzip_file_get_error\fR(),
+\fBzip_error_code_zip\fR(),
+/
+\fBzip_error_code_system\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_get.mdoc -- get error codes for archive or file
-.\" Copyright (C) 2004-2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_ERROR_GET 3
.Os
.Sh NAME
.Xr zip_error_code_zip 3 ,
.Xr zip_file_get_error 3 ,
.Xr zip_get_error 3
+.Sh HISTORY
+.Fn zip_error_get
+was added in libzip 0.6.
+It was deprecated in libzip 1.0, use
+.Fn zip_get_error ,
+.Fn zip_error_code_zip ,
+/
+.Fn zip_error_code_system
+instead.
+.Pp
+.Fn zip_file_error_get
+was added in libzip 0.6.
+It was deprecated in libzip 1.0, use
+.Fn zip_file_get_error ,
+.Fn zip_error_code_zip ,
+/
+.Fn zip_error_code_system
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_GET_SYS_TYPE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_get_sys_type\fR
+\- get type of system error code (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_get_sys_type\fR(\fIint\ ze\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_error_get_sys_type\fR()
+is deprecated; use
+zip_error_init_with_code(3)
+and
+zip_error_system_type(3)
+instead.
+.PP
+Replace
+.nf
+.sp
+.RS 6n
+int i = zip_error_get_sys_type(ze);
+.RE
+.fi
+with
+.nf
+.sp
+.RS 6n
+zip_error_t error;
+zip_error_init_with_code(&error, ze);
+int i = zip_error_system_type(&error);
+.RE
+.fi
+.SH "SEE ALSO"
+libzip(3),
+zip_error_init_with_code(3),
+zip_error_system_type(3)
+.SH "HISTORY"
+\fBzip_error_get_sys_type\fR()
+was added in libzip 0.6.
+It was deprecated in libzip 1.0, use
+\fBzip_error_system_type\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_get_sys_type.mdoc -- get type of error
-.\" Copyright (C) 2004-2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_ERROR_GET_SYS_TYPE 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_error_init_with_code 3 ,
.Xr zip_error_system_type 3
+.Sh HISTORY
+.Fn zip_error_get_sys_type
+was added in libzip 0.6.
+It was deprecated in libzip 1.0, use
+.Fn zip_error_system_type
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_INIT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_init\fR,
+\fBzip_error_init_with_code\fR
+\- initialize zip_error structure
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_init\fR(\fIzip_error_t\ *error\fR);
+.PD
+.PP
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_init_with_code\fR(\fIzip_error_t\ *error\fR, \fIint\ ze\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_init\fR()
+function initializes the zip_error pointed to by
+\fIerror\fR.
+\fI*error\fR
+must be allocated before calling
+\fBzip_error_init\fR().
+.PP
+The
+\fBzip_error_init_with_code\fR()
+function does the same, but additionally sets the zip error code to
+\fIze\fR
+and sets the system error code to the current
+errno(3)
+value, if appropriate.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_fini(3)
+.SH "HISTORY"
+\fBzip_error_init\fR()
+and
+\fBzip_error_init_with_code\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_init.mdoc -- initialize zip_error
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 2, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_INIT 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_error_fini 3
+.Sh HISTORY
+.Fn zip_error_init
+and
+.Fn zip_error_init_with_code
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_SET" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_set\fR
+\- fill in zip_error structure
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_set\fR(\fIzip_error_t\ *ze\fR, \fIint\ le\fR, \fIint\ se\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_set\fR()
+function sets the zip_error pointed to by
+\fIze\fR
+to the libzip error code
+\fIle\fR
+and the system error code
+\fIse\fR.
+.PP
+\fIze\fR
+must be allocated and initialized with
+zip_error_fini(3)
+before calling
+\fBzip_error\fR(\fIset\fR).
+.SH "SEE ALSO"
+libzip(3),
+zip_error_init(3)
+.SH "HISTORY"
+\fBzip_error_set\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_set.mdoc -- set zip_error
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_SET 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_error_init 3
+.Sh HISTORY
+.Fn zip_error_set
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_STRERROR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_strerror\fR
+\- create human-readable string for zip_error
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_strerror\fR(\fIzip_error_t\ *ze\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_strerror\fR()
+function returns an error message string corresponding to
+\fIze\fR
+like
+strerror(3).
+This string will stay valid until the next call to
+\fBzip_error_strerror\fR()
+or until
+zip_error_fini(3)
+is called.
+.SH "SEE ALSO"
+libzip(3),
+strerror(3),
+zip_error_fini(3)
+.SH "HISTORY"
+\fBzip_error_strerror\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_strerror.mdoc -- create human-readable version of zip_error
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_STRERROR 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr strerror 3 ,
.Xr zip_error_fini 3
+.Sh HISTORY
+.Fn zip_error_strerror
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_SYSTEM_TYPE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_system_type\fR
+\- return type of system error
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_system_type\fR(\fIconst\ zip_error_t\ *ze\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_error_system_type\fR()
+function returns the type of the system specific part for the zip_error
+\fIze\fR.
+Currently, the following system types are defined:
+.TP 13n
+\fRZIP_ET_NONE\fR
+System specific part of
+\fIze\fR
+is unused.
+.TP 13n
+\fRZIP_ET_SYS\fR
+System specific part of
+\fIze\fR
+is an
+errno(2).
+.TP 13n
+\fRZIP_ET_ZLIB\fR
+System specific part of
+\fIze\fR
+is a
+zlib(3)
+error.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_code_system(3)
+.SH "HISTORY"
+\fBzip_error_system_type\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_system_type.mdoc -- return system type for error
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_SYSTEM_TYPE 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_error_code_system 3
+.Sh HISTORY
+.Fn zip_error_system_type
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_TO_DATA" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_to_data\fR
+\- convert zip_error to return value suitable for ZIP_SOURCE_ERROR
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_to_data\fR(\fIconst\ zip_error_t\ *ze\fR, \fIvoid\ *data\fR, \fIzip_uint64_t\ len\fR);
+.PD
+.SH "DESCRIPTION"
+\fBzip_error_to_data\fR()
+function converts the zip_error
+\fIze\fR
+into data suitable as return value for
+\fRZIP_SOURCE_ERROR\fR.
+The data is written into the buffer
+\fIdata\fR
+of size
+\fIlen\fR.
+If the buffer is not large enough to hold 2 ints, an error is
+returned.
+.SH "RETURN VALUES"
+\fBzip_error_to_data\fR()
+returns 2*(sizeof int) on success, and \-1 on error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source_function(3)
+.SH "HISTORY"
+\fBzip_error_to_data\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_to_data.mdoc -- create error data for ZIP_SOURCE_ERROR
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 2, 2014
+.Dd December 18, 2017
.Dt ZIP_ERROR_TO_DATA 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source_function 3
+.Sh HISTORY
+.Fn zip_error_to_data
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERROR_TO_STR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_error_to_str\fR
+\- get string representation of zip error (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_error_to_str\fR(\fIchar\ *buf\fR, \fIzip_uint64_t\ len\fR, \fIint\ ze\fR, \fIint\ se\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_error_to_str\fR()
+is deprecated; use
+zip_error_init_with_code(3)
+and
+zip_error_strerror(3)
+instead.
+.PP
+Replace
+.nf
+.sp
+.RS 6n
+char buf[BUFSIZE];
+zip_error_to_str(buf, sizeof(buf), ze, se);
+printf("%s", buf);
+.RE
+.fi
+with
+.nf
+.sp
+.RS 6n
+zip_error_t error;
+zip_error_init_with_code(&error, ze);
+printf("%s", zip_error_strerror(&error));
+zip_error_fini(&error);
+.RE
+.fi
+.SH "SEE ALSO"
+libzip(3),
+zip_error_init_with_code(3),
+zip_error_strerror(3)
+.SH "HISTORY"
+\fBzip_error_to_str\fR()
+was added in libzip 0.6.
+In libzip 0.10 the type of
+\fIlen\fR
+was changed from
+\fIsize_t\fR
+to
+\fIzip_uint64_t\fR.
+It was deprecated in libzip 1.0, use
+\fBzip_error_init_with_code\fR()
+and
+\fBzip_error_strerror\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_error_to_str.mdoc -- get string representation of zip error code
-.\" Copyright (C) 2003-2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_ERROR_TO_STR 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_error_init_with_code 3 ,
.Xr zip_error_strerror 3
+.Sh HISTORY
+.Fn zip_error_to_str
+was added in libzip 0.6.
+In libzip 0.10 the type of
+.Ar len
+was changed from
+.Vt size_t
+to
+.Vt zip_uint64_t .
+It was deprecated in libzip 1.0, use
+.Fn zip_error_init_with_code
+and
+.Fn zip_error_strerror
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_ERRORS" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_errors\fR
+\- list of all libzip error codes
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.SH "DESCRIPTION"
+The following error codes are used by libzip:
+.TP 23n
+[\fRZIP_ER_CHANGED\fR]
+Entry has been changed.
+.TP 23n
+[\fRZIP_ER_CLOSE\fR]
+Closing zip archive failed.
+.TP 23n
+[\fRZIP_ER_COMPNOTSUPP\fR]
+Compression method not supported.
+.TP 23n
+[\fRZIP_ER_COMPRESSED_DATA\fR]
+Compressed data invalid.
+.TP 23n
+[\fRZIP_ER_CRC\fR]
+CRC error.
+.TP 23n
+[\fRZIP_ER_DELETED\fR]
+Entry has been deleted.
+.TP 23n
+[\fRZIP_ER_ENCRNOTSUPP\fR]
+Encryption method not supported.
+.TP 23n
+[\fRZIP_ER_EOF\fR]
+Premature end of file.
+.TP 23n
+[\fRZIP_ER_EXISTS\fR]
+File already exists.
+.TP 23n
+[\fRZIP_ER_INCONS\fR]
+Zip archive inconsistent.
+.TP 23n
+[\fRZIP_ER_INTERNAL\fR]
+Internal error.
+.TP 23n
+[\fRZIP_ER_INUSE\fR]
+Resource still in use.
+.TP 23n
+[\fRZIP_ER_INVAL\fR]
+Invalid argument.
+.TP 23n
+[\fRZIP_ER_MEMORY\fR]
+Malloc failure.
+.TP 23n
+[\fRZIP_ER_MULTIDISK\fR]
+Multi-disk zip archives not supported.
+.TP 23n
+[\fRZIP_ER_NOENT\fR]
+No such file.
+.TP 23n
+[\fRZIP_ER_NOPASSWD\fR]
+No password provided.
+.TP 23n
+[\fRZIP_ER_NOZIP\fR]
+Not a zip archive.
+.TP 23n
+[\fRZIP_ER_OK\fR]
+No error.
+.TP 23n
+[\fRZIP_ER_OPEN\fR]
+Can't open file.
+.TP 23n
+[\fRZIP_ER_OPNOTSUPP\fR]
+Operation not supported.
+.TP 23n
+[\fRZIP_ER_RDONLY\fR]
+Read-only archive.
+.TP 23n
+[\fRZIP_ER_READ\fR]
+Read error.
+.TP 23n
+[\fRZIP_ER_REMOVE\fR]
+Can't remove file.
+.TP 23n
+[\fRZIP_ER_RENAME\fR]
+Renaming temporary file failed.
+.TP 23n
+[\fRZIP_ER_SEEK\fR]
+Seek error.
+.TP 23n
+[\fRZIP_ER_TELL\fR]
+Tell error.
+.TP 23n
+[\fRZIP_ER_TMPOPEN\fR]
+Failure to create temporary file.
+.TP 23n
+[\fRZIP_ER_WRITE\fR]
+Write error.
+.TP 23n
+[\fRZIP_ER_WRONGPASSWD\fR]
+Wrong password provided.
+.TP 23n
+[\fRZIP_ER_ZIPCLOSED\fR]
+Containing zip archive was closed.
+.TP 23n
+[\fRZIP_ER_ZLIB\fR]
+Zlib error.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_errors.mdoc -- list of all libzip error codes
-.\" Copyright (C) 1999-2013 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" This file was generated automatically by ./make_zip_errors.sh
.\" from ./../lib/zip.h; make changes there.
.\"
-.Dd October 6, 2017
+.Dd December 18, 2017
.Dt ZIP_ERRORS 3
.Os
.Sh NAME
--- /dev/null
+.TH "ZIP_FCLOSE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_fclose\fR
+\- close file in zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fclose\fR(\fIzip_file_t\ *file\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_fclose\fR()
+function closes
+\fIfile\fR
+and frees the memory allocated for it.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, the error code is returned.
+.SH "SEE ALSO"
+libzip(3),
+zip_fopen(3),
+zip_fread(3),
+zip_fseek(3)
+.SH "HISTORY"
+\fBzip_fclose\fR()
+was added in libzip 0.6.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_fclose.mdoc -- close file in zip archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd September 12, 2016
+.Dd December 18, 2017
.Dt ZIP_FCLOSE 3
.Os
.Sh NAME
.Xr zip_fopen 3 ,
.Xr zip_fread 3 ,
.Xr zip_fseek 3
+.Sh HISTORY
+.Fn zip_fclose
+was added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FDOPEN" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_fdopen\fR
+\- open zip archive using open file descriptor
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fdopen\fR(\fIint\ fd\fR, \fIint\ flags\fR, \fIint\ *errorp\fR);
+.PD
+.SH "DESCRIPTION"
+The zip archive specified by the open file descriptor
+\fIfd\fR
+is opened and a pointer to a
+\fIstruct zip\fR,
+used to manipulate the archive, is returned.
+In contrast to
+zip_open(3),
+using
+\fBzip_fdopen\fR
+the archive can only be opened in read-only mode.
+The
+\fIfd\fR
+argument may not be used any longer after calling
+\fBzip_fdopen\fR.
+The
+\fIflags\fR
+are specified by
+\fIor\fR'ing
+the following values, or 0 for none of them.
+.RS 6n
+.TP 15n
+\fRZIP_CHECKCONS\fR
+Perform additional stricter consistency checks on the archive, and
+error if they fail.
+.RE
+.PP
+If an error occurs and
+\fIerrorp\fR
+is
+non-\fRNULL\fR,
+it will be set to the corresponding error code.
+.SH "RETURN VALUES"
+Upon successful completion
+\fBzip_fdopen\fR()
+returns a
+\fIstruct zip\fR
+pointer, and
+\fIfd\fR
+should not be used any longer, nor passed to
+close(2).
+Otherwise,
+\fRNULL\fR
+is returned and
+\fI*errorp\fR
+is set to indicate the error.
+In the error case,
+\fIfd\fR
+remains unchanged.
+.SH "ERRORS"
+The file specified by
+\fIfd\fR
+is prepared for use by
+libzip(3)
+unless:
+.TP 19n
+[\fRZIP_ER_INCONS\fR]
+Inconsistencies were found in the file specified by
+\fIpath\fR.
+This error is often caused by specifying
+\fRZIP_CHECKCONS\fR
+but can also happen without it.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+The
+\fIflags\fR
+argument is invalid.
+Not all
+zip_open(3)
+flags are allowed for
+\fBzip_fdopen\fR,
+see
+\fIDESCRIPTION\fR.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_NOZIP\fR]
+The file specified by
+\fIfd\fR
+is not a zip archive.
+.TP 19n
+[\fRZIP_ER_OPEN\fR]
+The file specified by
+\fIfd\fR
+could not be prepared for use by
+libzip(3).
+.TP 19n
+[\fRZIP_ER_READ\fR]
+A read error occurred; see
+\fIerrno\fR
+for details.
+.TP 19n
+[\fRZIP_ER_SEEK\fR]
+The file specified by
+\fIfd\fR
+does not allow seeks.
+.SH "SEE ALSO"
+libzip(3),
+zip_close(3),
+zip_error_to_str(3),
+zip_open(3)
+.SH "HISTORY"
+\fBzip_fdopen\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_fdopen.mdoc -- open zip archive using existing file descriptor
-.\" Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2009-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd February 13, 2012
+.Dd December 18, 2017
.Dt ZIP_FDOPEN 3
.Os
.Sh NAME
.Xr zip_close 3 ,
.Xr zip_error_to_str 3 ,
.Xr zip_open 3
+.Sh HISTORY
+.Fn zip_fdopen
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_ADD" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_add\fR,
+\fBzip_file_replace\fR
+\- add file to zip archive or replace file in zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_add\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *name\fR, \fIzip_source_t\ *source\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.PP
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_replace\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_source_t\ *source\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_file_add\fR()
+adds a file to a zip archive, while
+\fBzip_file_replace\fR()
+replaces an existing file in a zip archive.
+The argument
+\fIarchive\fR
+specifies the zip archive to which the file should be added.
+\fIname\fR
+is the file's name in the zip archive (for
+\fBzip_file_add\fR()),
+while
+\fIindex\fR
+specifies which file should be replaced (for
+\fBzip_file_replace\fR()).
+The
+\fIflags\fR
+argument can be any combination of
+\fRZIP_FL_OVERWRITE\fR
+with one of
+\fRZIP_FL_ENC_*\fR:
+.TP 22n
+\fRZIP_FL_OVERWRITE\fR
+Overwrite any existing file of the same name.
+For
+\fBzip_file_add\fR
+only.
+.TP 22n
+\fRZIP_FL_ENC_GUESS\fR
+Guess encoding of
+\fIname\fR
+(default).
+.TP 22n
+\fRZIP_FL_ENC_UTF_8\fR
+Interpret
+\fIname\fR
+as UTF-8.
+.TP 22n
+\fRZIP_FL_ENC_CP437\fR
+Interpret
+\fIname\fR
+as code page 437 (CP-437).
+.PD 0
+.PP
+The data is obtained from the
+\fIsource\fR
+argument, see
+zip_source(3).
+.PD
+.PP
+\fINOTE\fR:
+zip_source_free(3)
+should not be called on a
+\fIsource\fR
+after it was used successfully in a
+\fBzip_file_add\fR
+or
+\fBzip_file_replace\fR
+call.
+.SH "RETURN VALUES"
+Upon successful completion,
+\fBzip_file_add\fR()
+returns the index of the new file in the archive, and
+\fBzip_file_replace\fR()
+returns 0.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "EXAMPLES"
+.nf
+.RS 6n
+zip_source_t *s;
+const char buf="teststring";
+
+if ((s=zip_source_buffer(archive, buffer, sizeof(buf), 0)) == NULL ||
+ zip_file_add(archive, name, s, ZIP_FL_ENC_UTF_8) < 0) {
+ zip_source_free(s);
+ printf("error adding file: %s\en", zip_strerror(archive));
+}
+.RE
+.fi
+.SH "ERRORS"
+\fBzip_file_add\fR()
+and
+\fBzip_file_replace\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_EXISTS\fR]
+There is already a file called
+\fIname\fR
+in the archive.
+(Only applies to
+\fBzip_file_add\fR(),
+and only if
+\fRZIP_FL_OVERWRITE\fR
+is not provided).
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIsource\fR
+or
+\fIname\fR
+are
+\fRNULL\fR,
+or
+\fIindex\fR
+is invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_RDONLY\fR]
+Archive was opened in read-only mode.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_file_add\fR()
+and
+\fBzip_file_replace\fR()
+were added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 6, 2017
+.Dd December 18, 2017
.Dt ZIP_FILE_ADD 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_file_add
+and
+.Fn zip_file_replace
+were added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_EXTRA_FIELD_DELETE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_extra_field_delete\fR,
+\fBzip_file_extra_field_delete_by_id\fR
+\- delete extra field for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_extra_field_delete\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint16_t\ extra_field_index\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.PP
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_extra_field_delete_by_id\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint16_t\ extra_field_id\fR, \fIzip_uint16_t\ extra_field_index\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_extra_field_delete\fR()
+function deletes the extra field with index
+\fIextra_field_index\fR
+for the file at position
+\fIindex\fR
+in the zip archive.
+.PP
+If
+\fIextra_field_index\fR
+is
+\fRZIP_EXTRA_FIELD_ALL\fR,
+then all extra fields will be deleted.
+.PP
+The following
+\fIflags\fR
+are supported:
+.RS 6n
+.TP 18n
+\fRZIP_FL_CENTRAL\fR
+Delete extra fields from the archive's central directory.
+.TP 18n
+\fRZIP_FL_LOCAL\fR
+Delete extra fields from the local file headers.
+.RE
+.PP
+The
+\fBzip_file_extra_field_delete_by_id\fR()
+function deletes the extra field with ID (two-byte signature)
+\fIextra_field_id\fR
+and index
+\fIextra_field_index\fR
+(in other words, the
+\fIextra_field_index\fR'th
+extra field with ID
+\fIextra_field_id\fR)
+The other arguments are the same as for
+\fBzip_file_extra_field_delete\fR()
+(\fRZIP_EXTRA_FIELD_ALL\fR
+will delete all extra fields of the specified ID).
+.PP
+Please note that due to the library design, the index of an extra
+field may be different between central directory and local file
+headers.
+For this reason, it is not allowed to specify both
+\fRZIP_FL_CENTRAL\fR
+and
+\fRZIP_FL_LOCAL\fR
+in
+\fIflags\fR,
+except when deleting all extra fields (i.e.,
+\fIextra_field_index\fR
+being
+\fRZIP_EXTRA_FIELD_ALL\fR).
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_extra_field_delete\fR()
+and
+\fBzip_file_extra_field_delete_by_id\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_NOENT\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_extra_field_get(3),
+zip_file_extra_field_set(3),
+zip_file_extra_fields_count(3)
+.SH "HISTORY"
+\fBzip_file_extra_field_delete\fR()
+and
+\fBzip_file_extra_field_delete_by_id\fR()
+were added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_extra_field_delete.mdoc -- delete extra field for file in zip
-.\" Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd July 31, 2013
+.Dd December 18, 2017
.Dt ZIP_FILE_EXTRA_FIELD_DELETE 3
.Os
.Sh NAME
.Xr zip_file_extra_field_get 3 ,
.Xr zip_file_extra_field_set 3 ,
.Xr zip_file_extra_fields_count 3
+.Sh HISTORY
+.Fn zip_file_extra_field_delete
+and
+.Fn zip_file_extra_field_delete_by_id
+were added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_EXTRA_FIELD_GET" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_extra_field_get\fR,
+\fBzip_file_extra_field_get_by_id\fR
+\- get extra field for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst zip_uint8_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_extra_field_get\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint16_t\ extra_field_index\fR, \fIzip_uint16_t\ *idp\fR, \fIzip_uint16_t\ *lenp\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.PP
+\fIconst zip_uint8_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_extra_field_get_by_id\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint16_t\ extra_field_id\fR, \fIzip_uint16_t\ extra_field_index\fR, \fIzip_uint16_t\ *lenp\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_extra_field_get\fR()
+function returns the extra field with index
+\fIextra_field_index\fR
+for the file at position
+\fIindex\fR
+in the zip archive.
+This pointer should not be modified or
+free(3)'d,
+and becomes invalid when
+\fIarchive\fR
+is closed.
+If
+\fIidp\fR
+is not
+\fRNULL\fR,
+the integer to which it points will be set to the ID (two-byte
+signature) of the selected extra field.
+If
+\fIlenp\fR
+is not
+\fRNULL\fR,
+the integer to which it points will be set to the length of the
+extra field.
+Generally speaking,
+\fIlenp\fR
+and
+\fIidp\fR
+should be passed since only the extra field data is returned (i.e.,
+neither the ID nor the length, if the
+\fIidp\fR
+and
+\fIlenp\fR
+arguments are not provided).
+.PP
+The following
+\fIflags\fR
+are supported:
+.RS 6n
+.TP 20n
+\fRZIP_FL_CENTRAL\fR
+Return extra fields from the archive's central directory.
+.TP 20n
+\fRZIP_FL_LOCAL\fR
+Return extra fields from the local file headers.
+.TP 20n
+\fRZIP_FL_UNCHANGED\fR
+Return the original unchanged extra fields, ignoring any changes made.
+.RE
+.PP
+The
+\fBzip_file_extra_field_get_by_id\fR()
+function returns the extra field with ID (two-byte signature)
+\fIextra_field_id\fR
+and index
+\fIextra_field_index\fR
+(in other words, the
+\fIextra_field_index\fR'th
+extra field with ID
+\fIextra_field_id\fR)
+The other arguments are the same as for
+\fBzip_file_extra_field_get\fR().
+.SH "RETURN VALUES"
+Upon successful completion, a pointer to an extra field is returned,
+or
+\fRNULL\fR
+if there is no extra field with that
+\fIextra_field_index\fR
+for the file with index
+\fIindex\fR.
+In case of an error,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_extra_field_get\fR()
+and
+\fBzip_file_extra_field_get_by_id\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_NOENT\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR,
+or
+\fIextra_field_index\fR
+is not a valid extra file index (for ID
+\fIextra_field_id\fR).
+.SH "SEE ALSO"
+libzip(3),
+zip_file_extra_field_delete(3),
+zip_file_extra_field_set(3),
+zip_file_extra_fields_count(3)
+.SH "HISTORY"
+\fBzip_file_extra_field_get\fR()
+and
+\fBzip_file_extra_field_get_by_id\fR()
+were added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
+.SH "CAVEATS"
+Please note that the extra field IDs 0x0001 (ZIP64 extension),
+0x6375 (Infozip UTF-8 comment), and
+0x7075 (Infozip UTF-8 file name) can not be read using
+\fBzip_file_extra_field_get\fR()
+since they are used by
+libzip(3)
+internally.
.\" zip_file_extra_field_get.mdoc -- get extra field for file in zip
-.\" Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 8, 2014
+.Dd December 18, 2017
.Dt ZIP_FILE_EXTRA_FIELD_GET 3
.Os
.Sh NAME
.Xr zip_file_extra_field_delete 3 ,
.Xr zip_file_extra_field_set 3 ,
.Xr zip_file_extra_fields_count 3
+.Sh HISTORY
+.Fn zip_file_extra_field_get
+and
+.Fn zip_file_extra_field_get_by_id
+were added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_EXTRA_FIELD_SET" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_extra_field_set\fR
+\- set extra field for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_extra_field_set\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint16_t\ extra_field_id\fR, \fIzip_uint16_t\ extra_field_index\fR, \fIconst\ zip_uint8_t\ *extra_field_data\fR, \fIzip_uint16_t\ len\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_extra_field_set\fR()
+function sets the extra field with ID (two-byte signature)
+\fIextra_field_id\fR
+and index
+\fIextra_field_index\fR
+for the file at position
+\fIindex\fR
+in the zip archive.
+The extra field's data will be set to
+\fIextra_field_data\fR
+and length
+\fIlen\fR.
+If a new entry shall be appended, set
+\fIextra_field_index\fR
+to
+\fRZIP_EXTRA_FIELD_NEW\fR.
+.PP
+At least one of the following
+\fIflags\fR
+must be set:
+.RS 6n
+.TP 18n
+\fRZIP_FL_CENTRAL\fR
+Set extra field in the archive's central directory.
+.TP 18n
+\fRZIP_FL_LOCAL\fR
+Set extra field in the local file headers.
+.RE
+.PP
+Please note that the extra field IDs 0x0001 (ZIP64 extension),
+0x6375 (Infozip UTF-8 comment), and
+0x7075 (Infozip UTF-8 file name) can not be set using
+\fBzip_file_extra_field_set\fR()
+since they are set by
+libzip(3)
+automatically when needed.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_extra_field_set\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+The extra field size is too large (ID and length need 4 bytes; the
+maximum length of all extra fields for one file combined is 65536
+bytes).
+This error also occurs if
+\fIextra_field_index\fR
+is too large.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_NOENT\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_extra_field_delete(3),
+zip_file_extra_field_get(3),
+zip_file_extra_fields_count(3)
+.SH "HISTORY"
+\fBzip_file_extra_field_set\fR()
+was added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_extra_field_set.mdoc -- set extra field for file in zip
-.\" Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd February 20, 2013
+.Dd December 18, 2017
.Dt ZIP_FILE_EXTRA_FIELD_SET 3
.Os
.Sh NAME
.Xr zip_file_extra_field_delete 3 ,
.Xr zip_file_extra_field_get 3 ,
.Xr zip_file_extra_fields_count 3
+.Sh HISTORY
+.Fn zip_file_extra_field_set
+was added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_EXTRA_FIELDS_COUNT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_extra_fields_count\fR,
+\fBzip_file_extra_fields_count_by_id\fR
+\- count extra fields for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int16_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_extra_fields_count\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.PP
+\fIzip_int16_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_extra_fields_count_by_id\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint16_t\ extra_field_id\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_extra_fields_count\fR()
+function counts the extra fields for the file at position
+\fIindex\fR
+in the zip archive.
+.PP
+The following
+\fIflags\fR
+are supported:
+.RS 6n
+.TP 18n
+\fRZIP_FL_CENTRAL\fR
+Count extra fields from the archive's central directory.
+.TP 18n
+\fRZIP_FL_LOCAL\fR
+Count extra fields from the local file headers.
+.TP 18n
+\fRZIP_FL_UNCHANGED\fR
+Count the original unchanged extra fields, ignoring any changes made.
+.RE
+.PP
+The
+\fBzip_file_extra_fields_count_by_id\fR()
+function counts the extra fields with ID (two-byte signature)
+\fIextra_field_id\fR.
+The other arguments are the same as for
+\fBzip_file_extra_fields_count\fR().
+.PP
+Extra fields that are the same in the central directory and the local file
+header are merged into one.
+Therefore, the counts with
+\fRZIP_FL_CENTRAL\fR
+and
+\fRZIP_FL_LOCAL\fR
+do not need to add up to the same value as when given
+\fRZIP_FL_CENTRAL|ZIP_FL_LOCAL\fR
+at the same time.
+.SH "RETURN VALUES"
+Upon successful completion, the requested number of extra fields is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_extra_fields_count\fR()
+and
+\fBzip_file_extra_fields_count_by_id\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_NOENT\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_extra_field_delete(3),
+zip_file_extra_field_get(3),
+zip_file_extra_field_set(3)
+.SH "HISTORY"
+\fBzip_file_extra_fields_count\fR()
+and
+\fBzip_file_extra_fields_count_by_id\fR()
+were added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_extra_fields_count.mdoc -- count extra field for file in zip
-.\" Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd February 20, 2013
+.Dd December 18, 2017
.Dt ZIP_FILE_EXTRA_FIELDS_COUNT 3
.Os
.Sh NAME
.Xr zip_file_extra_field_delete 3 ,
.Xr zip_file_extra_field_get 3 ,
.Xr zip_file_extra_field_set 3
+.Sh HISTORY
+.Fn zip_file_extra_fields_count
+and
+.Fn zip_file_extra_fields_count_by_id
+were added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_GET_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_get_comment\fR
+\- get comment for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_get_comment\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint32_t\ *lenp\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_get_comment\fR()
+function returns the comment for the file at position
+\fIindex\fR
+in the zip archive.
+The name is in UTF-8 encoding unless
+\fRZIP_FL_ENC_RAW\fR
+was specified (see below).
+This pointer should not be modified or
+free(3)'d,
+and becomes invalid when
+\fIarchive\fR
+is closed.
+If
+\fIlenp\fR
+is not
+\fRNULL\fR,
+the integer to which it points will be set to the length of the
+comment.
+If
+\fIflags\fR
+is set to
+\fRZIP_FL_UNCHANGED\fR,
+the original unchanged comment is returned.
+.PP
+Additionally, the following
+\fIflags\fR
+are supported:
+.RS 6n
+.TP 21n
+\fRZIP_FL_ENC_RAW\fR
+Return the unmodified comment as it is in the ZIP archive.
+.TP 21n
+\fRZIP_FL_ENC_GUESS\fR
+(Default.)
+Guess the encoding of the comment in the ZIP archive and convert it
+to UTF-8, if necessary.
+.TP 21n
+\fRZIP_FL_ENC_STRICT\fR
+Follow the ZIP specification for file names and extend it to file
+comments, expecting them to be encoded in CP-437 in the ZIP archive
+(except if it is a UTF-8 comment from the special extra field).
+Convert it to UTF-8.
+.RE
+\fINote\fR:
+ASCII is a subset of both CP-437 and UTF-8.
+.SH "RETURN VALUES"
+Upon successful completion, a pointer to the comment is returned,
+or
+\fRNULL\fR
+if there is no comment.
+In case of an error,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_get_comment\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_set_comment(3),
+zip_get_archive_comment(3)
+.SH "HISTORY"
+\fBzip_file_get_comment\fR()
+was added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_get_comment.mdoc -- get comment for file in zip
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd September 19, 2013
+.Dd December 18, 2017
.Dt ZIP_FILE_GET_COMMENT 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_file_set_comment 3 ,
.Xr zip_get_archive_comment 3
+.Sh HISTORY
+.Fn zip_file_get_comment
+was added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_GET_ERROR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_get_error\fR
+\- extract zip_error from zip_file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_error_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_get_error\fR(\fIzip_file_t\ *zf\fR);
+.PD
+.SH "DESCRIPTION"
+\fBzip_file_get_error\fR()
+function returns the zip_error associated with the zip_file
+\fIzf\fR.
+.SH "SEE ALSO"
+libzip(3)
+.SH "HISTORY"
+\fBzip_file_get_error\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_get_error.mdoc -- extract zip_error from zip_file
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 9, 2014
+.Dd December 18, 2017
.Dt ZIP_FILE_GET_ERROR 3
.Os
.Sh NAME
.Ar zf .
.Sh SEE ALSO
.Xr libzip 3
+.Sh HISTORY
+.Fn zip_file_get_error
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_GET_EXTERNAL_ATTRIBUTES" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_get_external_attributes\fR
+\- get external attributes for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.PD 0
+.HP 4n
+\fBzip_file_get_external_attributes\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_flags_t\ flags\fR, \fIzip_uint8_t\ *opsys\fR, \fIzip_uint32_t\ *attributes\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_get_external_attributes\fR()
+function returns the operating system and external attributes for the
+file at position
+\fIindex\fR
+in the zip archive.
+The external attributes usually contain the operating system-specific
+file permissions.
+If
+\fIflags\fR
+is set to
+\fRZIP_FL_UNCHANGED\fR,
+the original unchanged values are returned.
+If
+\fIopsys\fR
+or
+\fIattributes\fR
+are
+\fRNULL\fR,
+they are not filled in.
+.PP
+The following operating systems are defined by the zip specification:
+.RS 6n
+.PD 0
+.PP
+\fRZIP_OPSYS_ACORN_RISC\fR
+.PP
+\fRZIP_OPSYS_ALTERNATE_MVS\fR
+.PP
+\fRZIP_OPSYS_AMIGA\fR
+.PP
+\fRZIP_OPSYS_ATARI_ST\fR
+.PP
+\fRZIP_OPSYS_BEOS\fR
+.PP
+\fRZIP_OPSYS_CPM\fR
+.PP
+\fRZIP_OPSYS_DOS\fR
+.PP
+\fRZIP_OPSYS_MACINTOSH\fR
+.PP
+\fRZIP_OPSYS_MVS\fR
+.PP
+\fRZIP_OPSYS_OPENVMS\fR
+.PP
+\fRZIP_OPSYS_OS_2\fR
+.PP
+\fRZIP_OPSYS_OS_400\fR
+.PP
+\fRZIP_OPSYS_OS_X\fR
+.PP
+\fRZIP_OPSYS_TANDEM\fR
+.PP
+\fRZIP_OPSYS_UNIX\fR
+.PP
+\fRZIP_OPSYS_VFAT\fR
+.PP
+\fRZIP_OPSYS_VM_CMS\fR
+.PP
+\fRZIP_OPSYS_VSE\fR
+.PP
+\fRZIP_OPSYS_WINDOWS_NTFS\fR
+(uncommon, use
+\fRZIP_OPSYS_DOS\fR
+instead)
+.PP
+\fRZIP_OPSYS_Z_SYSTEM\fR
+.RE
+.PD
+.PP
+The defines above follow the PKWARE Inc. Appnote; please note that
+the InfoZIP Appnote has a slightly different mapping.
+.SH "RETURN VALUES"
+Upon successful completion, 0 is returned.
+In case of an error,
+\fR\-1\fR
+is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "EXAMPLES"
+The following code can be used to expand
+\fIattributes\fR
+if the operating system is
+\fRZIP_OPSYS_DOS\fR.
+.nf
+.sp
+.RS 0n
+#include <sys/stat.h>
+
+#define FA_RDONLY 0x01 // FILE_ATTRIBUTE_READONLY
+#define FA_DIREC 0x10 // FILE_ATTRIBUTE_DIRECTORY
+
+static mode_t
+_zip_dos_attr2mode(zip_uint32_t attr)
+{
+ mode_t m = S_IRUSR | S_IRGRP | S_IROTH;
+ if (0 == (attr & FA_RDONLY))
+ m |= S_IWUSR | S_IWGRP | S_IWOTH;
+
+ if (attr & FA_DIREC)
+ m = (S_IFDIR | (m & ~S_IFMT)) | S_IXUSR | S_IXGRP | S_IXOTH;
+
+ return m;
+}
+.RE
+.fi
+.SH "ERRORS"
+\fBzip_file_get_external_attributes\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_set_external_attributes(3)
+.SH "HISTORY"
+\fBzip_file_get_external_attributes\fR()
+was added in libzip 0.11.2.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_get_external_attributes.mdoc -- get external attributes for file in zip
-.\" Copyright (C) 2013-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2013-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_FILE_GET_EXTERNAL_ATTRIBUTES 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_file_set_external_attributes 3
+.Sh HISTORY
+.Fn zip_file_get_external_attributes
+was added in libzip 0.11.2.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_RENAME" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_rename\fR
+\- rename file in zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_rename\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIconst\ char\ *name\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The file at position
+\fIindex\fR
+in the zip archive
+\fIarchive\fR
+is renamed to
+\fIname\fR.
+The
+\fIflags\fR
+argument can be any of:
+.TP 22n
+\fRZIP_FL_ENC_GUESS\fR
+Guess encoding of
+\fIname\fR
+(default).
+.TP 22n
+\fRZIP_FL_ENC_UTF_8\fR
+Interpret
+\fIname\fR
+as UTF-8.
+.TP 22n
+\fRZIP_FL_ENC_CP437\fR
+Interpret
+\fIname\fR
+as code page 437 (CP-437).
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_rename\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_DELETED\fR]
+The file to be renamed has been deleted from the archive.
+.TP 19n
+[\fRZIP_ER_EXISTS\fR]
+There is already a file called
+\fIname\fR
+in the archive.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR,
+\fIname is\fR
+\fRNULL\fR,
+the empty string, or not a valid UTF-8 encoded string.
+Also a file cannot be renamed to a directory or vice versa.
+Directories are denoted by a trailing slash.
+.SH "SEE ALSO"
+libzip(3),
+zip_unchange(3)
+.SH "HISTORY"
+\fBzip_file_rename\fR()
+was added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_rename.mdoc -- rename file in zip archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd June 23, 2012
+.Dd December 18, 2017
.Dt ZIP_FILE_RENAME 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_unchange 3
+.Sh HISTORY
+.Fn zip_file_rename
+was added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_SET_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_set_comment\fR
+\- set comment for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_set_comment\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIconst\ char\ *comment\fR, \fIzip_uint16_t\ len\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_set_comment\fR()
+function sets the comment for the file at position
+\fIindex\fR
+in the zip archive to
+\fIcomment\fR
+of length
+\fIlen\fR.
+If
+\fIcomment\fR
+is
+\fRNULL\fR
+and
+\fIlen\fR
+is 0, the file comment will be removed.
+The
+\fIflags\fR
+argument can be any of:
+.TP 22n
+\fRZIP_FL_ENC_GUESS\fR
+Guess encoding of
+\fIcomment\fR
+(default).
+.TP 22n
+\fRZIP_FL_ENC_UTF_8\fR
+Interpret
+\fIcomment\fR
+as UTF-8.
+.TP 22n
+\fRZIP_FL_ENC_CP437\fR
+Interpret
+\fIcomment\fR
+as code page 437 (CP-437).
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_set_comment\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR,
+or
+\fIlen\fR
+is less than 0 or longer than the maximum comment length in a zip file
+(65535), or
+\fIcomment\fR
+is not a valid UTF-8 encoded string.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_RDONLY\fR]
+The
+\fIarchive\fR
+was opened in read-only mode.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_get_comment(3),
+zip_get_archive_comment(3),
+zip_set_archive_comment(3)
+.SH "HISTORY"
+\fBzip_file_set_comment\fR()
+was added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_set_comment.mdoc -- set comment for file in zip
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd September 19, 2013
+.Dd December 18, 2017
.Dt ZIP_FILE_SET_COMMENT 3
.Os
.Sh NAME
.Xr zip_file_get_comment 3 ,
.Xr zip_get_archive_comment 3 ,
.Xr zip_set_archive_comment 3
+.Sh HISTORY
+.Fn zip_file_set_comment
+was added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_SET_ENCRYPTION" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_set_encryption\fR
+\- set encryption method for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_set_encryption\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_uint16_t\ method\fR, \fIconst\ char\ *password\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_set_encryption\fR()
+function sets the encryption method for the file at position
+\fIindex\fR
+in the zip archive to
+\fImethod\fR
+using the password
+\fIpassword\fR.
+The
+\fImethod\fR
+is the same as returned by
+zip_stat(3).
+For the
+\fImethod\fR
+argument, currently only the following values are supported:
+.TP 19n
+\fRZIP_EM_NONE\fR
+No encryption.
+.TP 19n
+\fRZIP_EM_AES_128\fR
+Winzip AES-128 encryption.
+.TP 19n
+\fRZIP_EM_AES_192\fR
+Winzip AES-192 encryption.
+.TP 19n
+\fRZIP_EM_AES_256\fR
+Winzip AES-256 encryption.
+.PP
+If
+\fIpassword\fR
+is
+\fRNULL\fR,
+the default password provided by
+zip_set_default_password(3)
+is used.
+.PP
+The current encryption method for a file in a zip archive can be
+determined using
+zip_stat(3).
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_set_encryption\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_ENCRNOTSUPP\fR]
+Unsupported compression method requested.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR,
+or the argument combination is invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_RDONLY\fR]
+Read-only zip file, no changes allowed.
+.SH "SEE ALSO"
+libzip(3),
+zip_set_default_password(3),
+zip_stat(3)
+.SH "HISTORY"
+\fBzip_file_set_encryption\fR()
+was added in libzip 1.2.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_set_encryption.mdoc -- set encryption method for file
-.\" Copyright (C) 2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 16, 2016
+.Dd December 18, 2017
.Dt ZIP_FILE_SET_ENCRYPTION 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_set_default_password 3 ,
.Xr zip_stat 3
+.Sh HISTORY
+.Fn zip_file_set_encryption
+was added in libzip 1.2.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_SET_EXTERNAL_ATTRIBUTES" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_set_external_attributes\fR
+\- set external attributes for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_set_external_attributes\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_flags_t\ flags\fR, \fIzip_uint8_t\ opsys\fR, \fIzip_uint32_t\ attributes\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_set_external_attributes\fR()
+function sets the operating system and external attributes for the
+file at position
+\fIindex\fR
+in the zip archive.
+Currently, no
+\fIflags\fR
+are supported.
+.PP
+For a list of known
+\fIopsys\fR
+values, see
+zip_file_get_external_attributes(3).
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_set_external_attributes\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_RDONLY\fR]
+The
+\fIarchive\fR
+was opened in read-only mode.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_get_external_attributes(3)
+.SH "HISTORY"
+\fBzip_file_set_external_attributes\fR()
+was added in libzip 0.11.2.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_set_external_attributes.mdoc -- set external attributes for file in zip
-.\" Copyright (C) 2013-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2013-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_FILE_SET_EXTERNAL_ATTRIBUTES 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_file_get_external_attributes 3
+.Sh HISTORY
+.Fn zip_file_set_external_attributes
+was added in libzip 0.11.2.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_SET_MTIME" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_set_mtime\fR
+\- set last modification time (mtime) for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_set_mtime\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fItime_t\ mtime\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_file_set_mtime\fR()
+function sets the last modification time (mtime) for the file at
+position
+\fIindex\fR
+in the zip archive to
+\fImtime\fR.
+Currently, no support for any
+\fIflags\fR
+is implemented.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_file_set_mtime\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_RDONLY\fR]
+The
+\fIarchive\fR
+was opened in read-only mode.
+.SH "SEE ALSO"
+libzip(3),
+zip_stat(3)
+.SH "HISTORY"
+\fBzip_file_set_mtime\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_set_mtime.mdoc -- set mtime for file in zip
-.\" Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_FILE_SET_MTIME 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_stat 3
+.Sh HISTORY
+.Fn zip_file_set_mtime
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FILE_STRERROR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_file_strerror\fR,
+\fBzip_strerror\fR
+\- get string representation for a zip error
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_file_strerror\fR(\fIzip_file_t\ *file\fR);
+.PD
+.PP
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_strerror\fR(\fIzip_t\ *archive\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_strerror\fR()
+function returns a string describing the last error for the zip archive
+\fIarchive\fR,
+while the
+\fBzip_file_strerror\fR()
+function does the same for a zip file
+\fIfile\fR
+(one file in an archive).
+The returned string must not be modified or freed, and becomes invalid when
+\fIarchive\fR
+or
+\fIfile\fR,
+respectively,
+is closed or on the next call to
+\fBzip_strerror\fR()
+or
+\fBzip_file_strerror\fR(),
+respectively,
+for the same archive.
+.SH "RETURN VALUES"
+\fBzip_file_strerror\fR()
+and
+\fBzip_strerror\fR()
+return a pointer to the error string.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_to_str(3)
+.SH "HISTORY"
+\fBzip_file_strerror\fR()
+and
+\fBzip_strerror\fR()
+were added in libzip 0.6.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_file_strerror.mdoc -- get string representation for a zip error
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 27, 2004
+.Dd December 18, 2017
.Dt ZIP_FILE_STRERROR 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_error_to_str 3
+.Sh HISTORY
+.Fn zip_file_strerror
+and
+.Fn zip_strerror
+were added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FOPEN" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_fopen\fR,
+\fBzip_fopen_index\fR
+\- open file in zip archive for reading
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_file_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fopen\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *fname\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.PP
+\fIzip_file_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fopen_index\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_fopen\fR()
+function opens the file name
+\fIfname\fR
+in
+\fIarchive\fR.
+The
+\fIflags\fR
+argument specifies how the name lookup should be done, according to
+the values are described in
+zip_name_locate(3).
+Also, the following values may be
+\fIor\fR'ed
+to it.
+.RS 6n
+.TP 19n
+\fRZIP_FL_COMPRESSED\fR
+Read the compressed data.
+Otherwise the data is uncompressed by
+\fBzip_fread\fR().
+.TP 19n
+\fRZIP_FL_UNCHANGED\fR
+Read the original data from the zip archive, ignoring any changes made
+to the file.
+.RE
+.PP
+The
+\fBzip_fopen_index\fR()
+function opens the file at position
+\fIindex\fR.
+.PP
+If encrypted data is encountered, the functions call
+zip_fopen_encrypted(3)
+or
+zip_fopen_index_encrypted(3)
+respectively, using the default password set with
+zip_set_default_password(3).
+.SH "RETURN VALUES"
+Upon successful completion, a
+\fIstruct zip_file\fR
+pointer is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+.TP 19n
+[\fRZIP_ER_CHANGED\fR]
+The file data has been changed.
+.TP 19n
+[\fRZIP_ER_COMPNOTSUPP\fR]
+The compression method used is not supported.
+.TP 19n
+[\fRZIP_ER_ENCRNOTSUPP\fR]
+The encryption method used is not supported.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_NOPASSWD\fR]
+The file is encrypted, but no password has been provided.
+.TP 19n
+[\fRZIP_ER_READ\fR]
+A file read error occurred.
+.TP 19n
+[\fRZIP_ER_SEEK\fR]
+A file seek error occurred.
+.TP 19n
+[\fRZIP_ER_WRONGPASSWD\fR]
+The provided password does not match the password used for encryption.
+Note that some incorrect passwords are not detected by the check done by
+\fBzip_fopen\fR().
+.TP 19n
+[\fRZIP_ER_ZLIB\fR]
+Initializing the zlib stream failed.
+.PP
+The function
+\fBzip_fopen\fR()
+may also fail and set
+\fIzip_err\fR
+for any of the errors specified for the routine
+zip_name_locate(3).
+.PP
+The function
+\fBzip_fopen_index\fR()
+may also fail with
+\fRZIP_ER_INVAL\fR
+if
+\fIindex\fR
+is invalid.
+.SH "SEE ALSO"
+libzip(3),
+zip_fclose(3),
+zip_fread(3),
+zip_fseek(3),
+zip_get_num_entries(3),
+zip_name_locate(3),
+zip_set_default_password(3)
+.SH "HISTORY"
+\fBzip_fopen\fR()
+and
+\fBzip_fopen_index\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_fopen.mdoc -- open file in zip archive for reading
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd September 12, 2016
+.Dd December 18, 2017
.Dt ZIP_FOPEN 3
.Os
.Sh NAME
.Xr zip_get_num_entries 3 ,
.Xr zip_name_locate 3 ,
.Xr zip_set_default_password 3
+.Sh HISTORY
+.Fn zip_fopen
+and
+.Fn zip_fopen_index
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FOPEN_ENCRYPTED" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_fopen_encrypted\fR,
+\fBzip_fopen_index_encrypted\fR
+\- open encrypted file in zip archive for reading
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_file_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fopen_encrypted\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *fname\fR, \fIzip_flags_t\ flags\fR, \fIconst\ char\ *password\fR);
+.PD
+.PP
+\fIzip_file_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fopen_index_encrypted\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_flags_t\ flags\fR, \fIconst\ char\ *password\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_fopen_encrypted\fR()
+function opens the encrypted file name
+\fIfname\fR
+in
+\fIarchive\fR
+using the password given in the
+\fIpassword\fR
+argument.
+The
+\fIflags\fR
+argument are the same as for
+zip_fopen(3).
+.PP
+The
+\fBzip_fopen_index_encrypted\fR()
+function opens the file at position
+\fIindex\fR,
+see
+zip_fopen_index(3).
+These functions are called automatically by
+zip_fopen(3);
+you only need to call them if you want to specify a non-default password
+(see
+zip_set_default_password(3)).
+.SH "RETURN VALUES"
+Upon successful completion, a
+\fIstruct zip_file\fR
+pointer is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+.TP 22n
+[\fRZIP_ER_NOPASSWD\fR]
+No password was provided.
+.PP
+The function
+\fBzip_fopen_encrypted\fR()
+may also fail and set
+\fIzip_err\fR
+for any of the errors specified for the routine
+zip_fopen(3).
+.PP
+The function
+\fBzip_fopen_index_encrypted\fR()
+may also fail and set
+\fIzip_err\fR
+for any of the errors specified for the routine
+zip_fopen_index(3).
+.SH "SEE ALSO"
+libzip(3),
+zip_fclose(3),
+zip_fopen(3),
+zip_fread(3),
+zip_get_num_entries(3),
+zip_name_locate(3)
+.SH "HISTORY"
+\fBzip_fopen_encrypted\fR()
+and
+\fBzip_fopen_index_encrypted\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_fopen_encrypted.mdoc -- open encrypted file in zip archive for reading
-.\" Copyright (C) 2011-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd July 22, 2012
+.Dd December 18, 2017
.Dt ZIP_FOPEN_ENCRYPTED 3
.Os
.Sh NAME
.Xr zip_fread 3 ,
.Xr zip_get_num_entries 3 ,
.Xr zip_name_locate 3
+.Sh HISTORY
+.Fn zip_fopen_encrypted
+and
+.Fn zip_fopen_index_encrypted
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FREAD" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_fread\fR
+\- read from file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fread\fR(\fIzip_file_t\ *file\fR, \fIvoid\ *buf\fR, \fIzip_uint64_t\ nbytes\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_fread\fR()
+function reads at most
+\fInbytes\fR
+bytes from
+\fIfile\fR
+into
+\fIbuf\fR.
+.SH "RETURN VALUES"
+If successful, the number of bytes actually read is returned.
+Otherwise, \-1 is returned.
+.SH "SEE ALSO"
+libzip(3),
+zip_fclose(3),
+zip_fopen(3),
+zip_fseek(3)
+.SH "HISTORY"
+\fBzip_fread\fR()
+was added in libzip 0.6.
+In libzip 0.10 the return type was changed from
+\fIssize_t\fR
+to
+\fIzip_int64_t\fR.
+In libzip 0.10 the type of
+\fInbytes\fR
+was changed from
+\fIsize_t\fR
+to
+\fIzip_uint64_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_fread.mdoc -- read from file
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd September 12, 2016
+.Dd December 18, 2017
.Dt ZIP_FREAD 3
.Os
.Sh NAME
.Xr zip_fclose 3 ,
.Xr zip_fopen 3 ,
.Xr zip_fseek 3
+.Sh HISTORY
+.Fn zip_fread
+was added in libzip 0.6.
+In libzip 0.10 the return type was changed from
+.Vt ssize_t
+to
+.Vt zip_int64_t .
+In libzip 0.10 the type of
+.Ar nbytes
+was changed from
+.Vt size_t
+to
+.Vt zip_uint64_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FSEEK" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_fseek\fR
+\- seek in file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int8_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_fseek\fR(\fIzip_file_t\ *file\fR, \fIzip_int64_t\ offset\fR, \fIint\ whence\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_fseek\fR()
+function seeks to the specified
+\fIoffset\fR
+relative to
+\fIwhence\fR,
+just like
+fseek(3).
+.PP
+\fBzip_fseek\fR
+only works on uncompressed (stored) data.
+When called on compressed data it will return an error.
+.SH "RETURN VALUES"
+If successful,
+\fBzip_fseek\fR
+returns 0.
+Otherwise, \-1 is returned.
+.SH "SEE ALSO"
+libzip(3),
+zip_fclose(3),
+zip_fopen(3),
+zip_fread(3),
+zip_ftell(3)
+.SH "HISTORY"
+\fBzip_fseek\fR()
+was added in libzip 1.2.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_fseek.mdoc -- seek in file
-.\" Copyright (C) 2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 1, 2016
+.Dd December 18, 2017
.Dt ZIP_FSEEK 3
.Os
.Sh NAME
.Xr zip_fopen 3 ,
.Xr zip_fread 3 ,
.Xr zip_ftell 3
+.Sh HISTORY
+.Fn zip_fseek
+was added in libzip 1.2.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_FTELL" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_ftell\fR
+\- tell position in file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.PD 0
+.HP 4n
+\fBzip_ftell\fR(\fIzip_file_t\ *file\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_ftell\fR()
+function reports the current offset in the file.
+.PP
+\fBzip_ftell\fR
+only works on uncompressed (stored) data.
+When called on compressed data it will return an error.
+.SH "RETURN VALUES"
+If successful,
+\fBzip_ftell\fR
+returns the current file position.
+Otherwise, \-1 is returned.
+.SH "SEE ALSO"
+libzip(3),
+zip_fclose(3),
+zip_fopen(3),
+zip_fread(3),
+zip_fseek(3)
+.SH "HISTORY"
+\fBzip_ftell\fR()
+was added in libzip 1.2.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_ftell.mdoc -- tell position in file
-.\" Copyright (C) 2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 1, 2016
+.Dd December 18, 2017
.Dt ZIP_FTELL 3
.Os
.Sh NAME
.Xr zip_fopen 3 ,
.Xr zip_fread 3 ,
.Xr zip_fseek 3
+.Sh HISTORY
+.Fn zip_ftell
+was added in libzip 1.2.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_GET_ARCHIVE_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_get_archive_comment\fR
+\- get zip archive comment
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_get_archive_comment\fR(\fIzip_t\ *archive\fR, \fIint\ *lenp\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_get_archive_comment\fR()
+function returns the comment for the entire zip archive.
+The name is in UTF-8 encoding unless
+\fRZIP_FL_ENC_RAW\fR
+was specified (see below).
+This pointer should not be modified or
+free(3)'d,
+and becomes invalid when
+\fIarchive\fR
+is closed.
+If
+\fIlenp\fR
+is not
+\fRNULL\fR,
+the integer to which it points will be set to the length of the
+comment.
+If
+\fIflags\fR
+is set to
+\fRZIP_FL_UNCHANGED\fR,
+the original unchanged comment is returned.
+.PP
+Additionally, the following
+\fIflags\fR
+are supported:
+.RS 6n
+.TP 21n
+\fRZIP_FL_ENC_RAW\fR
+Return the unmodified archive comment as it is in the ZIP archive.
+.TP 21n
+\fRZIP_FL_ENC_GUESS\fR
+(Default.)
+Guess the encoding of the archive comment in the ZIP archive and convert it
+to UTF-8, if necessary.
+.TP 21n
+\fRZIP_FL_ENC_STRICT\fR
+Follow the ZIP specification for file names and extend it to the
+archive comment, thus also expecting it in CP-437 encoding.
+Convert it to UTF-8.
+.RE
+\fINote\fR:
+ASCII is a subset of both CP-437 and UTF-8.
+.SH "RETURN VALUES"
+Upon successful completion, a pointer to the comment is returned,
+or
+\fRNULL\fR
+if there is no comment.
+.SH "SEE ALSO"
+libzip(3),
+zip_get_file_comment(3)
+.SH "HISTORY"
+\fBzip_get_archive_comment\fR()
+was added in libzip 0.7.
+In libzip 0.11 the type of
+\fIflags\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_get_archive_comment.mdoc -- get zip archive comment
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd February 20, 2013
+.Dd December 18, 2017
.Dt ZIP_GET_ARCHIVE_COMMENT 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_get_file_comment 3
+.Sh HISTORY
+.Fn zip_get_archive_comment
+was added in libzip 0.7.
+In libzip 0.11 the type of
+.Ar flags
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_GET_ARCHIVE_FLAG" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_get_archive_flag\fR
+\- get status flags for zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_get_archive_flag\fR(\fIzip_t\ *archive\fR, \fIzip_flags_t\ flag\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_get_archive_flag\fR()
+function returns if the flag
+\fIflag\fR
+is set for the archive
+\fIarchive\fR.
+The archive flags might have been changed with
+\fBzip_set_archive_flag\fR();
+if
+\fIflags\fR
+is set to
+\fRZIP_FL_UNCHANGED\fR,
+the original unchanged flags are tested.
+.PP
+Supported flags are:
+.TP 20n
+\fRZIP_AFL_RDONLY\fR
+The archive is read-only.
+.SH "RETURN VALUES"
+\fBzip_get_archive_flag\fR()
+returns 1 if
+\fIflag\fR
+is set for
+\fIarchive\fR,
+0 if not,
+and \-1 if an error occurred.
+.SH "SEE ALSO"
+libzip(3),
+zip_set_archive_flag(3)
+.SH "HISTORY"
+\fBzip_get_archive_flag\fR()
+was added in libzip 0.9.
+In libzip 0.11 the type of
+\fIflag\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t m\fR
+and the type of
+\fIflags\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_get_archive_flag.mdoc -- get comment for file in zip
-.\" Copyright (C) 2008-2015 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2008-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd April 29, 2015
+.Dd December 18, 2017
.Dt ZIP_GET_ARCHIVE_FLAG 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_set_archive_flag 3
+.Sh HISTORY
+.Fn zip_get_archive_flag
+was added in libzip 0.9.
+In libzip 0.11 the type of
+.Ar flag
+was changed from
+.Vt int
+to
+.Vt zip_flags_t m
+and the type of
+.Ar flags
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_GET_ERROR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_get_error\fR
+\- get zip error for archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_error_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_get_error\fR(\fIzip_t\ *archive\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_get_error\fR()
+function returns the zip error for the zip archive
+\fIarchive\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_code_system(3),
+zip_error_code_zip(3)
+.SH "HISTORY"
+\fBzip_get_error\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_get_error.mdoc -- get zip_error for archive
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 30, 2014
+.Dd December 18, 2017
.Dt ZIP_GET_ERROR 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_error_code_system 3 ,
.Xr zip_error_code_zip 3
+.Sh HISTORY
+.Fn zip_get_error
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_GET_FILE_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_get_file_comment\fR
+\- get comment for file in zip (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_get_file_comment\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIint\ *lenp\fR, \fIint\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_get_file_comment\fR()
+function is the obsolete version of
+zip_file_get_comment(3).
+The only differences are the types of the
+\fIlenp\fR
+and
+\fIflags\fR
+arguments.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_get_comment(3)
+.SH "HISTORY"
+\fBzip_get_file_comment\fR()
+was added in libzip 0.7.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+It was deprecated in libzip 0.11, use
+\fBzip_file_get_comment\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_get_file_comment.mdoc -- get comment for file in zip
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_GET_FILE_COMMENT 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_file_get_comment 3
+.Sh HISTORY
+.Fn zip_get_file_comment
+was added in libzip 0.7.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
+It was deprecated in libzip 0.11, use
+.Fn zip_file_get_comment
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_GET_NAME" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_get_name\fR
+\- get name of file by index
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_get_name\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_get_name\fR()
+function returns the name of the file at position
+\fIindex\fR
+in
+\fIarchive\fR.
+The name is in UTF-8 encoding unless
+\fRZIP_FL_ENC_RAW\fR
+was specified (see below).
+.PP
+If
+\fIflags\fR
+is set to
+\fRZIP_FL_UNCHANGED\fR,
+the original unchanged filename is returned.
+The returned string must not be modified or freed, and becomes invalid when
+\fIarchive\fR
+is closed.
+.PP
+Additionally, the following
+\fIflags\fR
+are supported:
+.RS 6n
+.TP 21n
+\fRZIP_FL_ENC_RAW\fR
+Return the unmodified names as it is in the ZIP archive.
+.TP 21n
+\fRZIP_FL_ENC_GUESS\fR
+(Default.)
+Guess the encoding of the name in the ZIP archive and convert it
+to UTF-8, if necessary.
+.TP 21n
+\fRZIP_FL_ENC_STRICT\fR
+Follow the ZIP specification and expect CP-437 encoded names in
+the ZIP archive (except if they are explicitly marked as UTF-8).
+Convert it to UTF-8.
+.RE
+\fINote\fR:
+ASCII is a subset of both CP-437 and UTF-8.
+.SH "RETURN VALUES"
+Upon successful completion, a pointer to the name is returned.
+Otherwise,
+\fRNULL\fR
+and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_get_name\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_DELETED\fR]
+\fIindex\fR
+refers to a file that has been deleted
+(see
+zip_delete(3)).
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR,
+or
+\fIindex\fR
+points to an added file and
+\fRZIP_FL_UNCHANGED\fR
+is set.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_name_locate(3)
+.SH "HISTORY"
+\fBzip_get_name\fR()
+was added in libzip 0.6.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+In libzip 0.11 the type of
+\fIflags\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_get_name.mdoc -- get name of file by index
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd February 20, 2013
+.Dd December 18, 2017
.Dt ZIP_GET_NAME 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_name_locate 3
+.Sh HISTORY
+.Fn zip_get_name
+was added in libzip 0.6.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
+In libzip 0.11 the type of
+.Ar flags
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_GET_NUM_ENTRIES" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_get_num_entries\fR
+\- get number of files in archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_get_num_entries\fR(\fIzip_t\ *archive\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_get_num_entries\fR()
+function returns the number of files in
+\fIarchive\fR.
+If
+\fIflags\fR
+is set to
+\fRZIP_FL_UNCHANGED\fR,
+the original number of entries is returned.
+.SH "RETURN VALUES"
+\fBzip_get_num_entries\fR()
+returns the number of files in the zip archive,
+or \-1 if
+\fIarchive\fR
+is
+\fRNULL\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_fopen_index(3),
+zip_stat_index(3)
+.SH "HISTORY"
+\fBzip_get_num_entries\fR()
+was added in libzip 0.10.
+In libzip 0.11 the return type was changed from
+\fIzip_uint64_t\fR
+to
+\fIzip_int64_t\fR.
+In libzip 0.11 the type of
+\fIflags\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_get_num_entries.mdoc -- get number of files in archive
-.\" Copyright (C) 2011-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd August 1, 2012
+.Dd December 18, 2017
.Dt ZIP_GET_NUM_ENTRIES 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_fopen_index 3 ,
.Xr zip_stat_index 3
+.Sh HISTORY
+.Fn zip_get_num_entries
+was added in libzip 0.10.
+In libzip 0.11 the return type was changed from
+.Vt zip_uint64_t
+to
+.Vt zip_int64_t .
+In libzip 0.11 the type of
+.Ar flags
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_GET_NUM_FILES" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_get_num_files\fR
+\- get number of files in archive (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_get_num_files\fR(\fIzip_t\ *archive\fR);
+.PD
+.SH "DESCRIPTION"
+\fIThis function is deprecated\fR.
+\fIUse\fR
+zip_get_num_entries(3)
+\fIinstead\fR.
+.PP
+The
+\fBzip_get_num_files\fR()
+function returns the number of files in
+\fIarchive\fR.
+.SH "RETURN VALUES"
+\fBzip_get_num_files\fR()
+returns the number of files in the zip archive,
+or \-1 if
+\fIarchive\fR
+is
+\fRNULL\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_fopen_index(3),
+zip_stat_index(3)
+.SH "HISTORY"
+\fBzip_get_num_files\fR()
+was added in libzip 0.6.
+It was deprecated in libzip 0.11, use
+\fBzip_get_num_entries\fR(\fIinstead\fR)
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_get_num_files.mdoc -- get number of files in archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_GET_NUM_FILES 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_fopen_index 3 ,
.Xr zip_stat_index 3
+.Sh HISTORY
+.Fn zip_get_num_files
+was added in libzip 0.6.
+It was deprecated in libzip 0.11, use
+.Fn zip_get_num_entries instead
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_LIBZIP_VERSION" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_libzip_version\fR
+\- return run-time version of library
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIconst char *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_libzip_version\fR(\fIvoid\fR);
+.PD
+.SH "DESCRIPTION"
+\fBzip_libzip_version\fR
+returns the version number of the library as string in the format
+\(Lq$MAJOR.$MINOR.$MICRO$SUFFIX\(Rq
+where
+\fI$MAJOR\fR
+is the major version,
+\fI$MINOR\fR
+the minor,
+\fI$MICRO\fR
+the micro, and
+\fI$SUFFIX\fR
+a suffix that's only set for development versions.
+.SH "SEE ALSO"
+libzip(3)
+.SH "HISTORY"
+\fBzip_libzip_version\fR()
+was added in libzip 1.3.1.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 6, 2017
+.Dd December 18, 2017
.Dt ZIP_LIBZIP_VERSION 3
.Os
.Sh NAME
a suffix that's only set for development versions.
.Sh SEE ALSO
.Xr libzip 3
+.Sh HISTORY
+.Fn zip_libzip_version
+was added in libzip 1.3.1.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_NAME_LOCATE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_name_locate\fR
+\- get index of file by name
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_name_locate\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *fname\fR, \fIzip_flags_t\ flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_name_locate\fR()
+function returns the index of the file named
+\fIfname\fR
+in
+\fIarchive\fR.
+If
+\fIarchive\fR
+does not contain a file with that name, \-1 is returned.
+The
+\fIflags\fR
+are specified by
+\fIor\fR'ing
+the following values, or 0 for none of them.
+.RS 6n
+.TP 15n
+\fRZIP_FL_NOCASE\fR
+Ignore case distinctions.
+(Will only work well if the file names are ASCII.)
+With this flag,
+\fBzip_name_locate\fR()
+will be slow for archives with many files.
+.TP 15n
+\fRZIP_FL_NODIR\fR
+Ignore directory part of file name in archive.
+With this flag,
+\fBzip_name_locate\fR()
+will be slow for archives with many files.
+.TP 15n
+\fRZIP_FL_ENC_RAW\fR
+.br
+Compare against the unmodified names as it is in the ZIP archive.
+.TP 15n
+\fRZIP_FL_ENC_GUESS\fR
+(Default.)
+Guess the encoding of the name in the ZIP archive and convert it
+to UTF-8, if necessary, before comparing.
+.TP 15n
+\fRZIP_FL_ENC_STRICT\fR
+Follow the ZIP specification and expect CP-437 encoded names in
+the ZIP archive (except if they are explicitly marked as UTF-8).
+Convert it to UTF-8 before comparing.
+.RE
+\fINote\fR:
+ASCII is a subset of both CP-437 and UTF-8.
+.SH "RETURN VALUES"
+\fBzip_name_locate\fR()
+returns the index of the file named
+\fIfname\fR
+or \-1, if
+\fIarchive\fR
+does not contain an entry of that name.
+.SH "ERRORS"
+\fBzip_name_locate\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+One of the arguments is invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_NOENT\fR]
+No entry of the name
+\fIfname\fR
+is found in the archive.
+.SH "SEE ALSO"
+libzip(3),
+zip_get_name(3)
+.SH "HISTORY"
+\fBzip_name_locate\fR()
+was added in libzip 0.6.
+In libzip 0.11 the return type was changed from
+\fIint\fR
+to
+\fIzip_int64_t\fR.
+In libzip 0.11 the type of
+\fIflags\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_name_locate.mdoc -- get index of file by name
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd April 25, 2017
+.Dd December 18, 2017
.Dt ZIP_NAME_LOCATE 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_get_name 3
+.Sh HISTORY
+.Fn zip_name_locate
+was added in libzip 0.6.
+In libzip 0.11 the return type was changed from
+.Vt int
+to
+.Vt zip_int64_t .
+In libzip 0.11 the type of
+.Ar flags
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_OPEN" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_open\fR,
+\fBzip_open_from_source\fR
+\- open zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_open\fR(\fIconst\ char\ *path\fR, \fIint\ flags\fR, \fIint\ *errorp\fR);
+.PD
+.PP
+\fIzip_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_open_from_source\fR(\fIzip_source_t\ *zs\fR, \fIint\ flags\fR, \fIzip_error_t\ *ze\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_open\fR()
+function opens the zip archive specified by
+\fIpath\fR
+and returns a pointer to a
+\fIstruct zip\fR,
+used to manipulate the archive.
+The
+\fIflags\fR
+are specified by
+\fIor\fR'ing
+the following values, or 0 for none of them.
+.RS 6n
+.TP 15n
+\fRZIP_CHECKCONS\fR
+Perform additional stricter consistency checks on the archive, and
+error if they fail.
+.TP 15n
+\fRZIP_CREATE\fR
+Create the archive if it does not exist.
+.TP 15n
+\fRZIP_EXCL\fR
+Error if archive already exists.
+.TP 15n
+\fRZIP_TRUNCATE\fR
+If archive exists, ignore its current contents.
+In other words, handle it the same way as an empty archive.
+.TP 15n
+\fRZIP_RDONLY\fR
+Open archive in read-only mode.
+.RE
+.PP
+If an error occurs and
+\fIerrorp\fR
+is
+non-\fRNULL\fR,
+it will be set to the corresponding error code.
+.PP
+The
+\fBzip_open_from_source\fR()
+function opens a zip archive encapsulated by the zip_source
+\fIzs\fR
+using the provided
+\fIflags\fR.
+In case of error, the zip_error
+\fIze\fR
+is filled in.
+.SH "RETURN VALUES"
+Upon successful completion
+\fBzip_open\fR()
+and
+\fBzip_open_from_source\fR()
+return a
+\fIstruct zip\fR
+pointer.
+Otherwise,
+\fRNULL\fR
+is returned and
+\fBzip_open\fR()
+sets
+\fI*errorp\fR
+to indicate the error, while
+\fBzip_open_from\fR(\fIsource\fR)
+sets
+\fIze\fR
+to indicate the error.
+.SH "ERRORS"
+The archive specified by
+\fIpath\fR
+is opened unless:
+.TP 19n
+[\fRZIP_ER_EXISTS\fR]
+The file specified by
+\fIpath\fR
+exists and
+\fRZIP_EXCL\fR
+is set.
+.TP 19n
+[\fRZIP_ER_INCONS\fR]
+Inconsistencies were found in the file specified by
+\fIpath\fR.
+This error is often caused by specifying
+\fRZIP_CHECKCONS\fR
+but can also happen without it.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+The
+\fIpath\fR
+argument is
+\fRNULL\fR.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_NOENT\fR]
+The file specified by
+\fIpath\fR
+does not exist and
+\fRZIP_CREATE\fR
+is not set.
+.TP 19n
+[\fRZIP_ER_NOZIP\fR]
+The file specified by
+\fIpath\fR
+is not a zip archive.
+.TP 19n
+[\fRZIP_ER_OPEN\fR]
+The file specified by
+\fIpath\fR
+could not be opened.
+.TP 19n
+[\fRZIP_ER_READ\fR]
+A read error occurred; see
+\fIerrno\fR
+for details.
+.TP 19n
+[\fRZIP_ER_SEEK\fR]
+The file specified by
+\fIpath\fR
+does not allow seeks.
+.SH "SEE ALSO"
+libzip(3),
+zip_close(3),
+zip_error_to_str(3),
+zip_fdopen(3)
+.SH "HISTORY"
+\fBzip_open\fR()
+and
+\fBzip_open_from_source\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_open.mdoc -- open zip archive
-.\" Copyright (C) 2003-2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 9, 2014
+.Dd December 18, 2017
.Dt ZIP_OPEN 3
.Os
.Sh NAME
.Xr zip_close 3 ,
.Xr zip_error_to_str 3 ,
.Xr zip_fdopen 3
+.Sh HISTORY
+.Fn zip_open
+and
+.Fn zip_open_from_source
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_REGISTER_PROGRESS_CALLBACK" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_register_progress_callback\fR
+\- provide updates during zip_close (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fItypedef void (*zip_progress_callback_t)(double);\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_register_progress_callback\fR(\fIzip_t\ *archive\fR, \fIzip_progress_callback_t\ progress_callback\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_register_progress_callback\fR()
+is the obsolete version of
+zip_register_progress_callback_with_state(3).
+.PP
+The
+\fBzip_register_progress_callback\fR()
+function registers a callback function
+\fIprogress_callback\fR
+for the zip archive
+\fIarchive\fR.
+This function is called during
+zip_close(3)
+after every zip archive entry that's completely written to disk.
+The value is a
+\fIdouble\fR
+in the range from 0.0 to 1.0.
+This can be used to provide progress indicators for user interfaces.
+.SH "SEE ALSO"
+libzip(3),
+zip_close(3)
+.SH "HISTORY"
+\fBzip_register_progress_callback\fR()
+was added in libzip 1.2.0.
+It was deprecated in libzip 1.3.0, use
+\fBzip_register_progress_callback_with_state\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_register_progress_callback.mdoc -- provide updates during zip_close
-.\" Copyright (C) 2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_REGISTER_PROGRESS_CALLBACK 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_close 3
+.Sh HISTORY
+.Fn zip_register_progress_callback
+was added in libzip 1.2.0.
+It was deprecated in libzip 1.3.0, use
+.Fn zip_register_progress_callback_with_state
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_REGISTER_PROGRESS_CALLBACK_WITH_STATE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_register_progress_callback_with_state\fR
+\- provide updates during zip_close
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fItypedef void (*zip_progress_callback)(zip_t *, double, void *);\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_register_progress_callback_with_state\fR(\fIzip_t\ *archive\fR, \fIdouble\ precision\fR, \fIzip_progress_callback\ callback\fR, \fIvoid\ (*ud_free)(void\ *)\fR, \fIvoid\ *ud\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_register_progress_callback_with_state\fR()
+function registers a callback function
+\fIcallback\fR
+for the zip archive
+\fIarchive\fR.
+The
+\fIprecision\fR
+argument is a double in the range from 0.00 to 1.0 that defines the
+smallest change for which the callback should be called (to avoid too
+frequent calls).
+The
+\fIud_free\fR
+function is called during cleanup for deleting the userdata supplied in
+\fIud\fR.
+.PP
+The callback function is called during
+zip_close(3)
+in regular intervals (after every zip archive entry that's completely
+written to disk, and while writing data for entries) with zip archive
+\fIarchive\fR,
+the current progression state as a
+\fIdouble\fR,
+and the user-provided user-data
+\fIud\fR
+as arguments.
+The progression state is a
+\fIdouble\fR
+in the range from 0.0 to 1.0.
+This can be used to provide progress indicators for user interfaces.
+.SH "SEE ALSO"
+libzip(3),
+zip_close(3)
+.SH "HISTORY"
+\fBzip_register_progress_callback_with_state\fR()
+was added in libzip 1.3.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_REGISTER_PROGRESS_CALLBACK_WITH_STATE 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_close 3
+.Sh HISTORY
+.Fn zip_register_progress_callback_with_state
+was added in libzip 1.3.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_RENAME" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_rename\fR
+\- rename file in zip archive (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_rename\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIconst\ char\ *name\fR);
+.PD
+.SH "DESCRIPTION"
+\fBzip_rename\fR()
+is the obsolete version of
+zip_file_rename(3).
+It is the same as calling
+zip_file_rename(3)
+with an empty flags argument.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_rename(3)
+.SH "HISTORY"
+\fBzip_rename\fR()
+was added in libzip 0.6.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+It was deprecated in libzip 0.11, use
+\fBzip_file_rename\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_rename.mdoc -- rename file in zip archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_RENAME 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_file_rename 3
+.Sh HISTORY
+.Fn zip_rename
+was added in libzip 0.6.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
+It was deprecated in libzip 0.11, use
+.Fn zip_file_rename
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SET_ARCHIVE_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_set_archive_comment\fR
+\- set zip archive comment
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_set_archive_comment\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *comment\fR, \fIzip_uint16_t\ len\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_set_archive_comment\fR()
+function sets the comment for the entire zip archive.
+If
+\fIcomment\fR
+is
+\fRNULL\fR
+and
+\fIlen\fR
+is 0, the archive comment will be removed.
+\fIcomment\fR
+must be encoded in ASCII or UTF-8.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_set_archive_comment\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIlen\fR
+is less than 0 or longer than the maximum comment length in a zip file
+(65535), or
+\fIcomment\fR
+is not a valid UTF-8 encoded string.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_get_archive_comment(3),
+zip_get_file_comment(3),
+zip_set_file_comment(3)
+.SH "HISTORY"
+\fBzip_set_archive_comment\fR()
+was added in libzip 0.7.
+In libzip 0.11 the type of
+\fIlen\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint16_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_set_archive_comment.mdoc -- set zip archive comment
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd July 22, 2012
+.Dd December 18, 2017
.Dt ZIP_SET_ARCHIVE_COMMENT 3
.Os
.Sh NAME
.Xr zip_get_archive_comment 3 ,
.Xr zip_get_file_comment 3 ,
.Xr zip_set_file_comment 3
+.Sh HISTORY
+.Fn zip_set_archive_comment
+was added in libzip 0.7.
+In libzip 0.11 the type of
+.Ar len
+was changed from
+.Vt int
+to
+.Vt zip_uint16_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SET_ARCHIVE_FLAG" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_set_archive_flag\fR
+\- set zip archive flag
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_set_archive_flag\fR(\fIzip_t\ *archive\fR, \fIzip_flags_t\ flag\fR, \fIint\ value\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_set_archive_flag\fR()
+function sets the flag
+\fIflag\fR
+for the archive
+\fIarchive\fR
+to the value
+\fIvalue\fR.
+.PP
+Currently there are no supported flags.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned, and \-1 if an error
+occurred.
+.SH "SEE ALSO"
+libzip(3),
+zip_get_archive_flag(3)
+.SH "HISTORY"
+\fBzip_set_archive_flag\fR()
+was added in libzip 0.9.
+In libzip 0.11 the type of
+\fIflag\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_set_archive_flag.mdoc -- set zip archive flag
-.\" Copyright (C) 2008-2015 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2008-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd April 29, 2015
+.Dd December 18, 2017
.Dt ZIP_SET_ARCHIVE_FLAG 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_get_archive_flag 3
+.Sh HISTORY
+.Fn zip_set_archive_flag
+was added in libzip 0.9.
+In libzip 0.11 the type of
+.Ar flag
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SET_DEFAULT_PASSWORD" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_set_default_password\fR
+\- set default password for encrypted files in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_set_default_password\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *password\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_set_default_password\fR()
+function sets the default password used when accessing encrypted files.
+If
+\fIpassword\fR
+is
+\fRNULL\fR,
+the default password is unset.
+.PP
+If you prefer a different password for single files, use
+zip_fopen_encrypted(3)
+instead of
+zip_fopen(3).
+Usually, however, the same password is used for every file in an
+zip archive.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_set_default_password\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_fopen(3),
+zip_fopen_encrypted(3)
+.SH "HISTORY"
+\fBzip_set_default_password\fR()
+was added in libzip 0.10.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_set_default_password.mdoc -- set default password for zip
-.\" Copyright (C) 2011-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd January 3, 2011
+.Dd December 18, 2017
.Dt ZIP_SET_DEFAULT_PASSWORD 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_fopen 3 ,
.Xr zip_fopen_encrypted 3
+.Sh HISTORY
+.Fn zip_set_default_password
+was added in libzip 0.10.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SET_FILE_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_set_file_comment\fR
+\- set comment for file in zip (obsolete interface)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_set_file_comment\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIconst\ char\ *comment\fR, \fIint\ len\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_set_file_comment\fR()
+function is the obsolete version of
+zip_file_set_comment(3).
+The only differences are the type of the
+\fIlen\fR
+argument and the additional
+\fIflags\fR
+argument.
+\fBzip_set_file_comment\fR()
+is the same as calling
+zip_file_set_comment(3)
+with an empty
+\fIflags\fR
+argument.
+.SH "SEE ALSO"
+libzip(3),
+zip_file_set_comment(3)
+.SH "HISTORY"
+\fBzip_set_file_comment\fR()
+was added in libzip 0.7.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+It was deprecated in libzip 0.11, use
+\fBzip_file_set_comment\fR()
+instead.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_set_file_comment.mdoc -- set comment for file in zip
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP files.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_SET_FILE_COMMENT 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_file_set_comment 3
+.Sh HISTORY
+.Fn zip_set_file_comment
+was added in libzip 0.7.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
+It was deprecated in libzip 0.11, use
+.Fn zip_file_set_comment
+instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SET_FILE_COMPRESSION" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_set_file_compression\fR
+\- set compression method for file in zip
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_set_file_compression\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_int32_t\ comp\fR, \fIzip_uint32_t\ comp_flags\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_set_file_compression\fR()
+function sets the compression method for the file at position
+\fIindex\fR
+in the zip archive to
+\fIcomp\fR
+with the compression method specific
+\fIcomp_flags\fR.
+The
+\fIcomp\fR
+is the same as returned by
+zip_stat(3).
+For the
+\fIcomp\fR
+argument, currently only the following values are supported:
+.TP 19n
+\fRZIP_CM_DEFAULT\fR
+default compression; currently the same as
+\fRZIP_CM_DEFLATE\fR.
+.TP 19n
+\fRZIP_CM_STORE\fR
+Store the file uncompressed.
+.TP 19n
+\fRZIP_CM_BZIP2\fR
+Compress the file using the
+bzip2(1)
+algorithm.
+.TP 19n
+\fRZIP_CM_DEFLATE\fR
+Deflate the file with the
+zlib(3)
+algorithm and default options
+.PP
+\fINOTE\fR:
+Only the deflate and store methods can be assumed to be universally
+supported.
+.PP
+The
+\fIcomp_flags\fR
+argument defines the compression level, 1 being fastest compression
+and 9 highest.
+Allowed values are 0 (which uses the default compression for the
+algorithm) and 1-9, other values are undefined.
+Further compression method specific flags might be added over time.
+.PP
+The current compression method for a file in a zip archive can be
+determined using
+zip_stat(3).
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_set_file_compression\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_COMPNOTSUPP\fR]
+Unsupported compression method requested.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIarchive\fR,
+or the argument combination is invalid.
+.TP 19n
+[\fRZIP_ER_RDONLY\fR]
+Read-only zip file, no changes allowed.
+.SH "SEE ALSO"
+libzip(3),
+zip_stat(3)
+.SH "HISTORY"
+\fBzip_set_file_compression\fR()
+was added in libzip 0.11.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2017
+.Dd December 18, 2017
.Dt ZIP_SET_FILE_COMPRESSION 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_stat 3
+.Sh HISTORY
+.Fn zip_set_file_compression
+was added in libzip 0.11.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source\fR
+\- zip data source structure
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *zs\fR;
+.SH "DESCRIPTION"
+A
+\fIstruct zip_source\fR
+is a data source used by
+libzip(3)
+for adding or replacing file contents for a file in a zip archive.
+If the source supports seeking, it can also be used to open zip archives from.
+It is created by calling one of
+zip_source_buffer(3),
+zip_source_buffer_create(3),
+zip_source_file(3),
+zip_source_file_create(3),
+zip_source_filep(3),
+zip_source_filep_create(3),
+zip_source_function(3),
+zip_source_function_create(3),
+or
+zip_source_zip(3).
+\fIzip_source_t\fR
+is reference counted, and created with a reference count of 1.
+zip_open_from_source(3),
+zip_file_add(3),
+and
+zip_file_replace(3)
+will decrement the reference count of the
+\fIzip_source_t\fR
+when they are done using it, so
+zip_source_free(3)
+only needs to be called when these functions return an error.
+Use
+zip_source_keep(3)
+to increase the reference count, for example if you need the source after
+zip_close(3).
+.SH "SEE ALSO"
+libzip(3),
+zip_source_buffer(3),
+zip_source_file(3),
+zip_source_filep(3),
+zip_source_free(3),
+zip_source_function(3),
+zip_source_zip(3)
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 24, 2015
+.Dd December 18, 2017
.Dt ZIP_SOURCE 3
.Os
.Sh NAME
--- /dev/null
+.TH "ZIP_SOURCE_BEGIN_WRITE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_begin_write\fR,
+\fBzip_source_begin_write_cloning\fR
+\- prepare zip source for writing
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_begin_write\fR(\fIzip_source_t\ *source\fR);
+.PD
+.PP
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_begin_write_cloning\fR(\fIzip_source_t\ *source\fR, \fIzip_uint64_t\ offset\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_begin_write\fR()
+and
+\fBzip_source_begin_write_cloning\fR()
+prepare
+\fIsource\fR
+for writing.
+Usually this involves creating temporary files or allocating buffers.
+.PP
+\fBzip_source_begin_write_cloning\fR()
+preserves the first
+\fIoffset\fR
+bytes of the original file.
+This is done efficiently, and writes to
+\fIsource\fR
+won't overwrite the original data until
+\fBzip_commit_write\fR()
+is called.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_commit_write(3),
+zip_source_rollback_write(3),
+zip_source_seek_write(3),
+zip_source_tell_write(3),
+zip_source_write(3)
+.SH "HISTORY"
+\fBzip_source_begin_write\fR()
+was added in libzip 1.0.
+.PP
+\fBzip_source_begin_write_cloning\fR()
+was added in libzip 1.4.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_begin_write.mdoc -- prepare zip source for writing
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_BEGIN_WRITE 3
.Os
.Sh NAME
-.Nm zip_source_begin_write
+.Nm zip_source_begin_write ,
+.Nm zip_source_begin_write_cloning
.Nd prepare zip source for writing
.Sh LIBRARY
libzip (-lzip)
.In zip.h
.Ft int
.Fn zip_source_begin_write "zip_source_t *source"
+.Ft int
+.Fn zip_source_begin_write_cloning "zip_source_t *source" "zip_uint64_t offset"
.Sh DESCRIPTION
-The function
+The functions
.Fn zip_source_begin_write
-prepares
+and
+.Fn zip_source_begin_write_cloning
+prepare
.Fa source
for writing.
Usually this involves creating temporary files or allocating buffers.
+.Pp
+.Fn zip_source_begin_write_cloning
+preserves the first
+.Ar offset
+bytes of the original file.
+This is done efficiently, and writes to
+.Ar source
+won't overwrite the original data until
+.Fn zip_commit_write
+is called.
.Sh RETURN VALUES
Upon successful completion 0 is returned.
Otherwise, \-1 is returned and the error information in
.Xr zip_source_seek_write 3 ,
.Xr zip_source_tell_write 3 ,
.Xr zip_source_write 3
+.Sh HISTORY
+.Fn zip_source_begin_write
+was added in libzip 1.0.
+.Pp
+.Fn zip_source_begin_write_cloning
+was added in libzip 1.4.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_BUFFER" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_buffer\fR,
+\fBzip_source_buffer_create\fR
+\- create zip data source from buffer
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_buffer\fR(\fIzip_t\ *archive\fR, \fIconst\ void\ *data\fR, \fIzip_uint64_t\ len\fR, \fIint\ freep\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_buffer_create\fR(\fIconst\ void\ *data\fR, \fIzip_uint64_t\ len\fR, \fIint\ freep\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_buffer\fR()
+and
+\fBzip_source_buffer_create\fR()
+create a zip source from the buffer
+\fIdata\fR
+of size
+\fIlen\fR.
+If
+\fIfreep\fR
+is non-zero, the buffer will be freed when it is no longer needed.
+\fIdata\fR
+must remain valid for the lifetime of the created source.
+.PP
+The source can be used to open a zip archive from.
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_buffer\fR()
+and
+\fBzip_source_buffer_create\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIlen\fR
+is greater than zero and
+\fIdata\fR
+is
+\fRNULL\fR.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_open_from_source(3),
+zip_replace(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_source_buffer\fR()
+and
+\fBzip_source_buffer_create\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_buffer.mdoc -- create zip data source from buffer
-.\" Copyright (C) 2004-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd October 17, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_BUFFER 3
.Os
.Sh NAME
-.Nm zip_source_buffer
+.Nm zip_source_buffer ,
+.Nm zip_source_buffer_create
.Nd create zip data source from buffer
.Sh LIBRARY
libzip (-lzip)
.Xr zip_open_from_source 3 ,
.Xr zip_replace 3 ,
.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_source_buffer
+and
+.Fn zip_source_buffer_create
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_BUFFER_FRAGMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_buffer_fragment\fR,
+\fBzip_source_buffer_fragment_create\fR
+\- create zip data source from multiple buffer
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_buffer_fragment\fR(\fIzip_t\ *archive\fR, \fIzip_buffer_fragment_t\ *fragments\fR, \fIzip_uint64_t\ nfragments\fR, \fIint\ freep\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_buffer_fragment_create\fR(\fIzip_buffer_fragment_t\ *fragments\fR, \fIzip_uint64_t\ nfragments\fR, \fIint\ freep\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_buffer_fragment\fR()
+and
+\fBzip_source_buffer_fragment_create\fR()
+create a zip source from the data in
+\fIfragments\fR.
+\fInfragments\fR
+specifies the number of fragments.
+If
+\fIfreep\fR
+is non-zero, the data will be freed when it is no longer needed.
+.nf
+.sp
+.RS 0n
+struct zip_stat {
+ zip_uint8_t *data; /* pointer to the actual data */
+ zip_uint64_t length; /* length of this fragment */
+};
+.RE
+.fi
+.PP
+The data
+\fIfragments\fR
+point to must remain valid for the lifetime of the created source.
+\fIfragments\fR
+itself can be discarded once the source is created.
+.PP
+The source can be used to open a zip archive from.
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_buffer\fR()
+and
+\fBzip_source_buffer_create\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fInfragments\fR
+is greater than zero and
+\fIfragments\fR
+is
+\fRNULL\fR.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_open_from_source(3),
+zip_replace(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_source_buffer_fragment\fR()
+and
+\fBzip_source_buffer_fragment_create\fR()
+were added in libzip 1.4.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
--- /dev/null
+.\" zip_source_buffer_fragment.mdoc -- create zip data source from multiple buffers
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
+.\"
+.\" This file is part of libzip, a library to manipulate ZIP archives.
+.\" The authors can be contacted at <libzip@nih.at>
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in
+.\" the documentation and/or other materials provided with the
+.\" distribution.
+.\" 3. The names of the authors may not be used to endorse or promote
+.\" products derived from this software without specific prior
+.\" written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd December 18, 2017
+.Dt ZIP_SOURCE_BUFFER_FRAGMENT 3
+.Os
+.Sh NAME
+.Nm zip_source_buffer_fragment ,
+.Nm zip_source_buffer_fragment_create
+.Nd create zip data source from multiple buffer
+.Sh LIBRARY
+libzip (-lzip)
+.Sh SYNOPSIS
+.In zip.h
+.Ft zip_source_t *
+.Fn zip_source_buffer_fragment "zip_t *archive" "zip_buffer_fragment_t *fragments" "zip_uint64_t nfragments" "int freep"
+.Ft zip_source_t *
+.Fn zip_source_buffer_fragment_create "zip_buffer_fragment_t *fragments" "zip_uint64_t nfragments" "int freep" "zip_error_t *error"
+.Sh DESCRIPTION
+The functions
+.Fn zip_source_buffer_fragment
+and
+.Fn zip_source_buffer_fragment_create
+create a zip source from the data in
+.Ar fragments .
+.Ar nfragments
+specifies the number of fragments.
+If
+.Ar freep
+is non-zero, the data will be freed when it is no longer needed.
+.Bd -literal
+struct zip_stat {
+ zip_uint8_t *data; /* pointer to the actual data */
+ zip_uint64_t length; /* length of this fragment */
+};
+.Ed
+.Pp
+The data
+.Ar fragments
+point to must remain valid for the lifetime of the created source.
+.Ar fragments
+itself can be discarded once the source is created.
+.Pp
+The source can be used to open a zip archive from.
+.Sh RETURN VALUES
+Upon successful completion, the created source is returned.
+Otherwise,
+.Dv NULL
+is returned and the error code in
+.Ar archive
+or
+.Ar error
+is set to indicate the error.
+.Sh ERRORS
+.Fn zip_source_buffer
+and
+.Fn zip_source_buffer_create
+fail if:
+.Bl -tag -width Er
+.It Bq Er ZIP_ER_INVAL
+.Ar nfragments
+is greater than zero and
+.Ar fragments
+is
+.Dv NULL .
+.It Bq Er ZIP_ER_MEMORY
+Required memory could not be allocated.
+.El
+.Sh SEE ALSO
+.Xr libzip 3 ,
+.Xr zip_add 3 ,
+.Xr zip_open_from_source 3 ,
+.Xr zip_replace 3 ,
+.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_source_buffer_fragment
+and
+.Fn zip_source_buffer_fragment_create
+were added in libzip 1.4.0.
+.Sh AUTHORS
+.An -nosplit
+.An Dieter Baron Aq Mt dillo@nih.at
+and
+.An Thomas Klausner Aq Mt tk@giga.or.at
--- /dev/null
+.TH "ZIP_SOURCE_CLOSE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_close\fR
+\- open zip_source (which was open for reading)
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_close\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_close\fR()
+closes
+\fIsource\fR,
+indicating that no more data will be read.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_free(3),
+zip_source_open(3)
+.SH "HISTORY"
+\fBzip_source_close\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_close.mdoc -- close zip source (open for reading)
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_CLOSE 3
.Os
.Sh NAME
.Xr zip_source 3 ,
.Xr zip_source_free 3 ,
.Xr zip_source_open 3
+.Sh HISTORY
+.Fn zip_source_close
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_COMMIT_WRITE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_commit_write\fR
+\- finalize changes to zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_commit_write\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_commit_write\fR()
+finishes writing data to
+\fIsource\fR
+and replaces the original with the newly written data.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_begin_write(3),
+zip_source_rollback_write(3),
+zip_source_seek_write(3),
+zip_source_tell_write(3),
+zip_source_write(3)
+.SH "HISTORY"
+\fBzip_source_commit_write\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_commit_write.mdoc -- finalize changes to zip source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_COMMIT_WRITE 3
.Os
.Sh NAME
.Xr zip_source_seek_write 3 ,
.Xr zip_source_tell_write 3 ,
.Xr zip_source_write 3
+.Sh HISTORY
+.Fn zip_source_commit_write
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_ERROR" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_error\fR
+\- get zip error for data source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_error_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_error\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_source_error\fR()
+function returns the zip error for the data source
+\fIsource\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_error_code_system(3),
+zip_error_code_zip(3)
+.SH "HISTORY"
+\fBzip_source_error\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_error.mdoc -- get zip_error for data source
-.\" Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_ERROR 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_error_code_system 3 ,
.Xr zip_error_code_zip 3
+.Sh HISTORY
+.Fn zip_source_error
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_FILE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_file\fR,
+\fBzip_source_file_create\fR
+\- create data source from a file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_file\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *fname\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_file_create\fR(\fIconst\ char\ *fname\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_file\fR()
+and
+\fBzip_source_file_create\fR()
+create a zip source from a file.
+They open
+\fIfname\fR
+and read
+\fIlen\fR
+bytes from offset
+\fIstart\fR
+from it.
+If
+\fIlen\fR
+is 0 or \-1, the whole file (starting from
+\fIstart\fR)
+is used.
+.PP
+If the file supports seek, the source can be used to open a zip archive from.
+.PP
+The file is opened and read when the data from the source is used, usually by
+\fBzip_close\fR()
+or
+\fBzip_open_from_source\fR().
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_file\fR()
+and
+\fBzip_source_file_create\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIfname\fR,
+\fIstart\fR,
+or
+\fIlen\fR
+are invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_OPEN\fR]
+Opening
+\fIfname\fR
+failed.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_replace(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_source_file\fR()
+and
+\fBzip_source_file_create\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_file.mdoc -- create data source from a file
-.\" Copyright (C) 2004-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_FILE 3
.Os
.Sh NAME
-.Nm zip_source_file
+.Nm zip_source_file ,
+.Nm zip_source_file_create
.Nd create data source from a file
.Sh LIBRARY
libzip (-lzip)
.Xr zip_add 3 ,
.Xr zip_replace 3 ,
.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_source_file
+and
+.Fn zip_source_file_create
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_FILEP" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_filep\fR,
+\fBzip_source_filep_create\fR
+\- create data source from FILE *
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_filep\fR(\fIzip_t\ *archive\fR, \fIFILE\ *file\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_filep_create\fR(\fIFILE\ *file\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_filep\fR()
+and
+\fBzip_source_filep_create\fR()
+create a zip source from a file stream.
+They read
+\fIlen\fR
+bytes from offset
+\fIstart\fR
+from the open file stream
+\fIfile\fR.
+If
+\fIlen\fR
+is 0 or \-1, the whole file (starting from
+\fIstart\fR)
+is used.
+.PP
+If the file stream supports seeking, the source can be used to open
+a read-only zip archive from.
+.PP
+The file stream is closed when the source is being freed, usually
+by
+zip_close(3).
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_filep\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIfile\fR,
+\fIstart\fR,
+or
+\fIlen\fR
+are invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_replace(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_source_filep\fR()
+and
+\fBzip_source_filep_create\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_filep.mdoc -- create data source from a file stream
-.\" Copyright (C) 2004-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_FILEP 3
.Os
.Sh NAME
-.Nm zip_source_filep
+.Nm zip_source_filep ,
+.Nm zip_source_filep_create
.Nd create data source from FILE *
.Sh LIBRARY
libzip (-lzip)
.Xr zip_add 3 ,
.Xr zip_replace 3 ,
.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_source_filep
+and
+.Fn zip_source_filep_create
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_FREE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_free\fR
+\- free zip data source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_free\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_free\fR()
+decrements the reference count of
+\fIsource\fR
+and frees it if the reference count drops to 0.
+If
+\fIsource\fR
+is
+\fRNULL\fR,
+it does nothing.
+.PP
+\fINOTE\fR:
+This function should not be called on a
+\fIsource\fR
+after it was used successfully in a
+zip_open_from_source(3),
+zip_file_add(3),
+or
+zip_file_replace(3)
+call.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_keep(3)
+.SH "HISTORY"
+\fBzip_source_free\fR()
+was added in libzip 0.6.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 1, 2017
+.Dd December 18, 2017
.Dt ZIP_SOURCE_FREE 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_source 3 ,
.Xr zip_source_keep 3
+.Sh HISTORY
+.Fn zip_source_free
+was added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_FUNCTION" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_function\fR,
+\fBzip_source_function_create\fR
+\- create data source from function
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_function\fR(\fIzip_t\ *archive\fR, \fIzip_source_callback\ fn\fR, \fIvoid\ *userdata\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_function_create\fR(\fIzip_source_callback\ fn\fR, \fIvoid\ *userdata\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_function\fR()
+and
+\fBzip_source_function_create\fR()
+creates a zip source from the user-provided function
+\fIfn\fR,
+which must be of the following type:
+.PP
+\fItypedef zip_int64_t\fR
+\fB\fR(*\fPzip_source_callback\fR)\fP\fR(\fIvoid\ *userdata\fR, \fIvoid\ *data\fR, \fIzip_uint64_t\ len\fR, \fIzip_source_cmd_t\ cmd\fR)
+.PP
+\fIarchive\fR
+or
+\fIerror\fR
+are used for reporting errors and can be
+\fRNULL\fR.
+.PP
+When called by the library, the first argument is the
+\fIuserdata\fR
+argument supplied to the function.
+The next two arguments are a buffer
+\fIdata\fR
+of size
+\fIlen\fR
+when data is passed in or expected to be returned, or else
+\fRNULL\fR
+and 0.
+The last argument,
+\fIcmd\fR,
+specifies which action the function should perform.
+.PP
+Depending on the uses, there are three useful sets of commands to be supported by a
+\fBzip_source_callback\fR():
+.TP 24n
+read source
+Providing streamed data (for file data added to archives).
+Must support
+\fRZIP_SOURCE_OPEN\fR,
+\fRZIP_SOURCE_READ\fR,
+\fRZIP_SOURCE_CLOSE\fR,
+\fRZIP_SOURCE_STAT\fR,
+and
+\fRZIP_SOURCE_ERROR\fR.
+.TP 24n
+seekable read source
+Same as previous, but from a source allowing reading from arbitrary
+offsets (also for read-only zip archive).
+Must additionally support
+\fRZIP_SOURCE_SEEK\fR,
+\fRZIP_SOURCE_TELL\fR,
+and
+\fRZIP_SOURCE_SUPPORTS\fR.
+.TP 24n
+read/write source
+Same as previous, but additionally allowing writing (also for writable
+zip archives).
+Must additionally support
+\fRZIP_SOURCE_BEGIN_WRITE\fR,
+\fRZIP_SOURCE_COMMIT_WRITE\fR,
+\fRZIP_SOURCE_ROLLBACK_WRITE\fR,
+\fRZIP_SOURCE_SEEK_WRITE\fR,
+\fRZIP_SOURCE_TELL_WRITE\fR,
+and
+\fRZIP_SOURCE_REMOVE\fR.
+.SS "\fRZIP_SOURCE_BEGIN_WRITE\fR"
+Prepare the source for writing.
+Use this to create any temporary file(s).
+.SS "\fRZIP_SOURCE_BEGIN_WRITE_CLONING\fR"
+Prepare the source for writing, keeping the first
+\fIlen\fR
+bytes of the original file.
+Only implement this command if it is more efficient than copying the
+data, and if it does not destructively overwrite the original file
+(you still have to be able to execute
+\fRZIP_SOURCE_ROLLBACK_WRITE\fR).
+.PP
+The next write should happen at byte
+\fIoffset\fR.
+.SS "\fRZIP_SOURCE_CLOSE\fR"
+Reading is done.
+.SS "\fRZIP_SOURCE_COMMIT_WRITE\fR"
+Finish writing to the source.
+Replace the original data with the newly written data.
+Clean up temporary files or internal buffers.
+Subsequently opening and reading from the source should return the
+newly written data.
+.SS "\fRZIP_SOURCE_ERROR\fR"
+Get error information.
+\fIdata\fR
+points to an array of two ints, which should be filled with the libzip
+error code and the corresponding system error code for the error that
+occurred.
+See
+zip_errors(3)
+for details on the error codes.
+If the source stores error information in a zip_error_t, use
+zip_error_to_data(3)
+and return its return value.
+Otherwise, return 2 * sizeof(int).
+.SS "\fRZIP_SOURCE_FREE\fR"
+Clean up and free all resources, including
+\fIuserdata\fR.
+The callback function will not be called again.
+.SS "\fRZIP_SOURCE_OPEN\fR"
+Prepare for reading.
+.SS "\fRZIP_SOURCE_READ\fR"
+Read data into the buffer
+\fIdata\fR
+of size
+\fIlen\fR.
+Return the number of bytes placed into
+\fIdata\fR
+on success, and zero for end-of-file.
+.SS "\fRZIP_SOURCE_REMOVE\fR"
+Remove the underlying file.
+This is called if a zip archive is empty when closed.
+.SS "\fRZIP_SOURCE_ROLLBACK_WRITE\fR"
+Abort writing to the source.
+Discard written data.
+Clean up temporary files or internal buffers.
+Subsequently opening and reading from the source should return the
+original data.
+.SS "\fRZIP_SOURCE_SEEK\fR"
+Specify position to read next byte from, like
+fseek(3).
+Use
+ZIP_SOURCE_GET_ARGS(3)
+to decode the arguments into the following struct:
+.nf
+.sp
+.RS 0n
+struct zip_source_args_seek {
+ zip_int64_t offset;
+ int whence;
+};
+.RE
+.fi
+.PP
+If the size of the source's data is known, use
+zip_source_seek_compute_offset(3)
+to validate the arguments and compute the new offset.
+.SS "\fRZIP_SOURCE_SEEK_WRITE\fR"
+Specify position to write next byte to, like
+fseek(3).
+See
+\fRZIP_SOURCE_SEEK\fR
+for details.
+.SS "\fRZIP_SOURCE_STAT\fR"
+Get meta information for the input data.
+\fIdata\fR
+points to an allocated
+\fIstruct zip_stat\fR,
+which should be initialized using
+zip_stat_init(3)
+and then filled in.
+.PP
+For uncompressed, unencrypted data, all information is optional.
+However, fill in as much information as is readily available.
+.PP
+If the data is compressed,
+\fRZIP_STAT_COMP_METHOD\fR,
+\fRZIP_STAT_SIZE\fR,
+and
+\fRZIP_STAT_CRC\fR
+must be filled in.
+.PP
+If the data is encrypted,
+\fRZIP_STAT_ENCRYPTION_METHOD\fR,
+\fRZIP_STAT_COMP_METHOD\fR,
+\fRZIP_STAT_SIZE\fR,
+and
+\fRZIP_STAT_CRC\fR
+must be filled in.
+.PP
+Information only available after the source has been read (e.g., size)
+can be omitted in an earlier call.
+\fINOTE\fR:
+\fBzip_source_function\fR()
+may be called with this argument even after being called with
+\fRZIP_SOURCE_CLOSE\fR.
+.PP
+Return sizeof(struct zip_stat) on success.
+.SS "\fRZIP_SOURCE_SUPPORTS\fR"
+Return bitmap specifying which commands are supported.
+Use
+zip_source_make_command_bitmap(3).
+If this command is not implemented, the source is assumed to be a
+read source without seek support.
+.SS "\fRZIP_SOURCE_TELL\fR"
+Return the current read offset in the source, like
+ftell(3).
+.SS "\fRZIP_SOURCE_TELL_WRITE\fR"
+Return the current write offset in the source, like
+ftell(3).
+.SS "\fRZIP_SOURCE_WRITE\fR"
+Write data to the source.
+Return number of bytes written.
+.SS "Return Values"
+Commands should return \-1 on error.
+\fRZIP_SOURCE_ERROR\fR
+will be called to retrieve the error code.
+On success, commands return 0, unless specified otherwise in the
+description above.
+.SS "Calling Conventions"
+The library will always issue
+\fRZIP_SOURCE_OPEN\fR
+before issuing
+\fRZIP_SOURCE_READ\fR,
+\fRZIP_SOURCE_SEEK\fR,
+or
+\fRZIP_SOURCE_TELL\fR.
+When it no longer wishes to read from this source, it will issue
+\fRZIP_SOURCE_CLOSE\fR.
+If the library wishes to read the data again, it will issue
+\fRZIP_SOURCE_OPEN\fR
+a second time.
+If the function is unable to provide the data again, it should
+return \-1.
+.PP
+\fRZIP_SOURCE_BEGIN_WRITE\fR
+or
+\fRZIP_SOURCE_BEGIN_WRITE_CLONING\fR
+will be called before
+\fRZIP_SOURCE_WRITE\fR,
+\fRZIP_SOURCE_SEEK_WRITE\fR,
+or
+\fRZIP_SOURCE_TELL_WRITE\fR.
+When writing is complete, either
+\fRZIP_SOURCE_COMMIT_WRITE\fR
+or
+\fRZIP_SOURCE_ROLLBACK_WRITE\fR
+will be called.
+.PP
+\fRZIP_SOURCE_STAT\fR
+can be issued at any time.
+.PP
+\fRZIP_SOURCE_ERROR\fR
+will only be issued in response to the function
+returning \-1.
+.PP
+\fRZIP_SOURCE_FREE\fR
+will be the last command issued;
+if
+\fRZIP_SOURCE_OPEN\fR
+was called and succeeded,
+\fRZIP_SOURCE_CLOSE\fR
+will be called before
+\fRZIP_SOURCE_FREE\fR,
+and similarly for
+\fRZIP_SOURCE_BEGIN_WRITE\fR
+or
+\fRZIP_SOURCE_BEGIN_WRITE_CLONING\fR
+and
+\fRZIP_SOURCE_COMMIT_WRITE\fR
+or
+\fRZIP_SOURCE_ROLLBACK_WRITE\fR.
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error (unless
+it is
+\fRNULL\fR).
+.SH "ERRORS"
+\fBzip_source_function\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_replace(3),
+zip_source(3),
+zip_stat_init(3)
+.SH "HISTORY"
+\fBzip_source_function\fR()
+and
+\fBzip_source_function_create\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 6, 2017
+.Dd December 18, 2017
.Dt ZIP_SOURCE_FUNCTION 3
.Os
.Sh NAME
-.Nm zip_source_function
+.Nm zip_source_function ,
+.Nm zip_source_function_create
.Nd create data source from function
.Sh LIBRARY
libzip (-lzip)
.Ss Dv ZIP_SOURCE_BEGIN_WRITE
Prepare the source for writing.
Use this to create any temporary file(s).
+.Ss Dv ZIP_SOURCE_BEGIN_WRITE_CLONING
+Prepare the source for writing, keeping the first
+.Ar len
+bytes of the original file.
+Only implement this command if it is more efficient than copying the
+data, and if it does not destructively overwrite the original file
+(you still have to be able to execute
+.Dv ZIP_SOURCE_ROLLBACK_WRITE ) .
+.Pp
+The next write should happen at byte
+.Ar offset .
.Ss Dv ZIP_SOURCE_CLOSE
Reading is done.
.Ss Dv ZIP_SOURCE_COMMIT_WRITE
return \-1.
.Pp
.Dv ZIP_SOURCE_BEGIN_WRITE
+or
+.Dv ZIP_SOURCE_BEGIN_WRITE_CLONING
will be called before
.Dv ZIP_SOURCE_WRITE ,
.Dv ZIP_SOURCE_SEEK_WRITE ,
.Dv ZIP_SOURCE_FREE ,
and similarly for
.Dv ZIP_SOURCE_BEGIN_WRITE
+or
+.Dv ZIP_SOURCE_BEGIN_WRITE_CLONING
and
.Dv ZIP_SOURCE_COMMIT_WRITE
or
.Xr zip_replace 3 ,
.Xr zip_source 3 ,
.Xr zip_stat_init 3
+.Sh HISTORY
+.Fn zip_source_function
+and
+.Fn zip_source_function_create
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_IS_DELETED" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_is_deleted\fR
+\- check if zip_source is deleted
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_is_deleted\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_is_deleted\fR()
+returns whether the zip_source was deleted.
+This can for example happen when all entries are removed from a zip archive.
+.SH "RETURN VALUES"
+\fBzip_source_is_deleted\fR()
+returns 1 if the zip_source is deleted and 0 otherwise.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_source_is_deleted\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_is_deleted.mdoc -- check if zip source is deleted
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_IS_DELETED 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_source_is_deleted
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_KEEP" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_keep\fR
+\- increment reference count of zip data source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_keep\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_keep\fR()
+increments the reference count of
+\fIsource\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_free(3)
+.SH "HISTORY"
+\fBzip_source_keep\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_keep.mdoc -- increment reference count of zip data source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_KEEP 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_source 3 ,
.Xr zip_source_free 3
+.Sh HISTORY
+.Fn zip_source_keep
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_MAKE_COMMAND_BITMAP" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_make_command_bitmap\fR
+\- create bitmap of supported source operations
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_make_command_bitmap\fR(\fIzip_source_cmd_t\ command\fR, \fI...\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_source_make_command_bitmap\fR()
+function returns a bitmap of source commands suitable as return value
+for
+\fRZIP_SOURCE_SUPPORTS\fR.
+It includes all the commands from the argument list, which must be
+terminated by \-1.
+.SH "SEE ALSO"
+libzip(3),
+zip_source_function(3)
+.SH "HISTORY"
+\fBzip_source_make_command_bitmap\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_make_command_bitmap -- create bitmap of supported source operations
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_MAKE_COMMAND_BITMAP 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source_function 3
+.Sh HISTORY
+.Fn zip_source_make_command_bitmap
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_OPEN" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_open\fR
+\- open zip_source for reading
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_open\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_open\fR()
+opens
+\fIsource\fR
+for reading.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_begin_write(3),
+zip_source_close(3),
+zip_source_read(3),
+zip_source_seek(3),
+zip_source_tell(3)
+.SH "HISTORY"
+\fBzip_source_open\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_open.mdoc -- open zip source for reading
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_OPEN 3
.Os
.Sh NAME
.Xr zip_source_read 3 ,
.Xr zip_source_seek 3 ,
.Xr zip_source_tell 3
+.Sh HISTORY
+.Fn zip_source_open
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_READ" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_read\fR
+\- read data from zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_read\fR(\fIzip_source_t\ *source\fR, \fIvoid\ *data\fR, \fIzip_uint64_t\ len\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_read\fR()
+reads up to
+\fIlen\fR
+bytes of data from
+\fIsource\fR
+at the current read offset into the buffer
+\fIdata\fR.
+.PP
+The zip source
+\fIsource\fR
+has to be opened for reading by calling
+zip_source_open(3)
+first.
+.SH "RETURN VALUES"
+Upon successful completion the number of bytes read is returned.
+Upon reading end-of-file, zero is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_seek(3),
+zip_source_tell(3),
+zip_source_write(3)
+.SH "HISTORY"
+\fBzip_source_read\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_read.mdoc -- read data from zip source
-.\" Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 16, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_READ 3
.Os
.Sh NAME
.Xr zip_source_seek 3 ,
.Xr zip_source_tell 3 ,
.Xr zip_source_write 3
+.Sh HISTORY
+.Fn zip_source_read
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_ROLLBACK_WRITE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_rollback_write\fR
+\- undo changes to zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_rollback_write\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_rollback_write\fR()
+reverts changes written to
+\fIsource\fR,
+restoring the data before
+zip_source_begin_write(3)
+was called.
+Usually this removes temporary files or frees buffers.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_begin_write(3),
+zip_source_commit_write(3),
+zip_source_seek_write(3),
+zip_source_tell_write(3),
+zip_source_write(3)
+.SH "HISTORY"
+\fBzip_source_rollback_write\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_rollback_write.mdoc -- undo changes to zip source
-.\" Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_ROLLBACK_WRITE 3
.Os
.Sh NAME
.Xr zip_source_seek_write 3 ,
.Xr zip_source_tell_write 3 ,
.Xr zip_source_write 3
+.Sh HISTORY
+.Fn zip_source_rollback_write
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_SEEK" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_seek\fR
+\- set read offset in zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_seek\fR(\fIzip_source_t\ *source\fR, \fIzip_int64_t\ offset\fR, \fIint\ whence\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_seek\fR()
+sets the current read offset for
+\fIsource\fR.
+Just like in
+fseek(3),
+depending on the
+\fIwhence\fR
+argument, the
+\fIoffset\fR
+is counted relative from:
+.RS 6n
+.TP 12n
+\fRSEEK_SET\fR
+start of file
+.TP 12n
+\fRSEEK_CUR\fR
+current read offset in file
+.TP 12n
+\fRSEEK_END\fR
+end of file
+.RE
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_read(3),
+zip_source_tell(3)
+.SH "HISTORY"
+\fBzip_source_seek\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_seek.mdoc -- set read offset in source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_SEEK 3
.Os
.Sh NAME
.Xr zip_source 3 ,
.Xr zip_source_read 3 ,
.Xr zip_source_tell 3
+.Sh HISTORY
+.Fn zip_source_seek
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_SEEK_COMPUTE_OFFSET" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_seek_compute_offset\fR
+\- validate arguments and compute offset
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_seek_compute_offset\fR(\fIzip_uint64_t\ offset\fR, \fIzip_uint64_t\ length\fR, \fIvoid\ *data\fR, \fIzip_uint64_t\ data_length\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+Use this function to compute the offset for a
+\fRZIP_SOURCE_SEEK\fR
+or
+\fRZIP_SOURCE_SEEK_WRITE\fR
+command.
+\fIdata\fR
+and
+\fIdata_length\fR
+are the arguments to the source callback,
+\fIoffset\fR
+is the current offset and
+\fIlength\fR
+is the length of the source data or, for
+\fRZIP_SOURCE_SEEK_WRITE\fR,
+the amount of data written.
+.SH "RETURN VALUES"
+On success, it returns the new offset, on error it returns \-1 and
+sets
+\fIerror\fR.
+.SH "ERRORS"
+\fBzip_source_seek_compute_offset\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+One of the arguments is invalid or the seek would place the offset
+outside the data.
+.SH "SEE ALSO"
+zip_source_function(3)
+.SH "HISTORY"
+\fBzip_source_seek_compute_offset\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_seek_compute_offset.mdoc - validate arguments and compute offset
-.\" Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 13, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_SEEK_COMPUTE_OFFSET 3
.Os
.Sh NAME
.El
.Sh SEE ALSO
.Xr zip_source_function 3
+.Sh HISTORY
+.Fn zip_source_seek_compute_offset
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_SEEK_WRITE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_seek_write\fR
+\- set write offset in zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_seek_write\fR(\fIzip_source_t\ *source\fR, \fIzip_int64_t\ offset\fR, \fIint\ whence\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_seek_write\fR()
+sets the current write offset for
+\fIsource\fR.
+Just like in
+fseek(3),
+depending on the
+\fIwhence\fR
+argument, the
+\fIoffset\fR
+is counted relative from:
+.RS 6n
+.TP 12n
+\fRSEEK_SET\fR
+start of file
+.TP 12n
+\fRSEEK_CUR\fR
+current write offset in file
+.TP 12n
+\fRSEEK_END\fR
+end of file
+.RE
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_begin_write(3),
+zip_source_commit_write(3),
+zip_source_rollback_write(3),
+zip_source_tell_write(3),
+zip_source_write(3)
+.SH "HISTORY"
+\fBzip_source_seek_write\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_seek_write.mdoc -- set write offset in source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_SEEK_WRITE 3
.Os
.Sh NAME
.Xr zip_source_rollback_write 3 ,
.Xr zip_source_tell_write 3 ,
.Xr zip_source_write 3
+.Sh HISTORY
+.Fn zip_source_seek_write
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_STAT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_stat\fR
+\- get information about zip_source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_stat\fR(\fIzip_source_t\ *source\fR, \fIzip_stat_t\ *sb\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_source_stat\fR()
+function obtains information about the zip source
+\fIsource\fR
+.PP
+The
+\fIsb\fR
+argument is a pointer to a
+\fIstruct zip_source_stat\fR
+(shown below), into which information about the zip source is placed.
+.nf
+.sp
+.RS 0n
+struct zip_source_stat {
+ zip_uint64_t valid; /* which fields have valid values */
+ const char *name; /* name of the file */
+ zip_uint64_t index; /* index within archive */
+ zip_uint64_t size; /* size of file (uncompressed) */
+ zip_uint64_t comp_size; /* size of file (compressed) */
+ time_t mtime; /* modification time */
+ zip_uint32_t crc; /* crc of file data */
+ zip_uint16_t comp_method; /* compression method used */
+ zip_uint16_t encryption_method; /* encryption method used */
+ zip_uint32_t flags; /* reserved for future use */
+};
+.RE
+.fi
+The structure pointed to by
+\fIsb\fR
+must be initialized with
+\fBzip_stat_init\fR(\fI3\fR)
+before calling
+\fBzip_source_stat\fR().
+.PP
+The
+\fIvalid\fR
+field of the structure specifies which other fields are valid.
+Check if the flag defined by the following defines are in
+\fIvalid\fR
+before accessing the fields:
+.RS 6n
+.PD 0
+.TP 37n
+\fRZIP_SOURCE_STAT_NAME\fR
+\fIname\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_INDEX\fR
+\fIindex\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_SIZE\fR
+\fIsize\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_COMP_SIZE\fR
+\fIcomp_size\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_MTIME\fR
+\fImtime\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_CRC\fR
+\fIcrc\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_COMP_METHOD\fR
+\fIcomp_method\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_ENCRYPTION_METHOD\fR
+\fIencryption_method\fR
+.TP 37n
+\fRZIP_SOURCE_STAT_FLAGS\fR
+\fIflags\fR
+.RE
+.PD
+.PP
+\fINOTE\fR:
+Some fields may only be filled out after all data has been read from
+the source, for example the
+\fIcrc\fR
+or
+\fIsize\fR
+fields.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_source_stat\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_stat.mdoc -- get information about zip source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_STAT 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_source_stat
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_TELL" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_tell\fR
+\- report current read offset in zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_tell\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_tell\fR()
+returns the current read offset
+for
+\fIsource\fR.
+The return value can be passed to
+zip_source_seek(3)
+with
+\fIwhence\fR
+set to
+\fRSEEK_SET\fR
+to return to the same location in the source.
+.SH "RETURN VALUES"
+Upon successful completion the current read offset is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_read(3),
+zip_source_tell_write(3)
+.SH "HISTORY"
+\fBzip_source_tell\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_tell.mdoc -- report current read offset in source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_TELL 3
.Os
.Sh NAME
.Xr zip_source 3 ,
.Xr zip_source_read 3 ,
.Xr zip_source_tell_write 3
+.Sh HISTORY
+.Fn zip_source_tell
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_TELL_WRITE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_tell_write\fR
+\- report current write offset in zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_tell_write\fR(\fIzip_source_t\ *source\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_tell_write\fR()
+returns the current write offset
+for
+\fIsource\fR.
+The return value can be passed to
+zip_source_seek_write(3)
+with
+\fIwhence\fR
+set to
+\fRSEEK_SET\fR
+to return to the same location in the source.
+.SH "RETURN VALUES"
+Upon successful completion the current write offset is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_begin_write(3),
+zip_source_commit_write(3),
+zip_source_rollback_write(3),
+zip_source_tell(3),
+zip_source_write(3)
+.SH "HISTORY"
+\fBzip_source_tell_write\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_tell_write.mdoc -- report current write offset in source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_TELL_WRITE 3
.Os
.Sh NAME
.Xr zip_source_rollback_write 3 ,
.Xr zip_source_tell 3 ,
.Xr zip_source_write 3
+.Sh HISTORY
+.Fn zip_source_tell_write
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_WIN32A" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_win32a\fR,
+\fBzip_source_win32a_create\fR
+\- create data source from a Windows ANSI file name
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_win32a\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *fname\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_win32a_create\fR(\fIconst\ char\ *fname\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_win32a\fR()
+and
+\fBzip_source_win32a_create\fR()
+create a zip source on Windows using a Windows ANSI name.
+They open
+\fIfname\fR
+and read
+\fIlen\fR
+bytes from offset
+\fIstart\fR
+from it.
+If
+\fIlen\fR
+is 0 or \-1, the whole file (starting from
+\fIstart\fR)
+is used.
+.PP
+If the file supports seek, the source can be used to open a zip archive from.
+.PP
+The file is opened and read when the data from the source is used, usually by
+\fBzip_close\fR()
+or
+\fBzip_open_from_source\fR().
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_win32a\fR()
+and
+\fBzip_source_win32a_create\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIfname\fR,
+\fIstart\fR,
+or
+\fIlen\fR
+are invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_OPEN\fR]
+Opening
+\fIfname\fR
+failed.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_replace(3),
+zip_source(3),
+zip_source_win32handle(3),
+zip_source_win32w(3)
+.SH "HISTORY"
+\fBzip_source_win32a\fR()
+and
+\fBzip_source_win32a_create\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_win32a.mdoc -- create data source using a win32 ANSI name
-.\" Copyright (C) 2015-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2015-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_WIN32A 3
.Os
.Sh NAME
.Xr zip_source 3 ,
.Xr zip_source_win32handle 3 ,
.Xr zip_source_win32w 3
+.Sh HISTORY
+.Fn zip_source_win32a
+and
+.Fn zip_source_win32a_create
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_WIN32HANDLE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_win32handle\fR,
+\fBzip_source_win32handle_create\fR
+\- create data source from a Windows file handle
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_win32handle\fR(\fIzip_t\ *archive\fR, \fIHANDLE\ h\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_win32handle_create\fR(\fIHANDLE\ h\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_win32handle\fR()
+and
+\fBzip_source_win32handle_create\fR()
+create a zip source from a Windows file handle.
+They open
+\fIfname\fR
+and read
+\fIlen\fR
+bytes from offset
+\fIstart\fR
+from it.
+If
+\fIlen\fR
+is 0 or \-1, the whole file (starting from
+\fIstart\fR)
+is used.
+.PP
+If the file supports seek, the source can be used to open a zip archive from.
+.PP
+The file is opened and read when the data from the source is used, usually by
+\fBzip_close\fR()
+or
+\fBzip_open_from_source\fR().
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_w32handle\fR()
+and
+\fBzip_source_w32handle_create\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIfname\fR,
+\fIstart\fR,
+or
+\fIlen\fR
+are invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_OPEN\fR]
+Opening
+\fIfname\fR
+failed.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_replace(3),
+zip_source(3),
+zip_source_win32a(3),
+zip_source_win32w(3)
+.SH "HISTORY"
+\fBzip_source_win32handle\fR()
+and
+\fBzip_source_win32handle_create\fR()
+were added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_handle.mdoc -- create data source from a Windows file handle
-.\" Copyright (C) 2015-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2015-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_WIN32HANDLE 3
.Os
.Sh NAME
.Xr zip_source 3 ,
.Xr zip_source_win32a 3 ,
.Xr zip_source_win32w 3
+.Sh HISTORY
+.Fn zip_source_win32handle
+and
+.Fn zip_source_win32handle_create
+were added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_WIN32W" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_win32w\fR,
+\fBzip_source_win32w_create\fR
+\- create data source from a Windows Unicode file name
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_win32w\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *fname\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR);
+.PD
+.PP
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_win32w_create\fR(\fIconst\ char\ *fname\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR, \fIzip_error_t\ *error\fR);
+.PD
+.SH "DESCRIPTION"
+The functions
+\fBzip_source_win32w\fR()
+and
+\fBzip_source_win32w_create\fR()
+create a zip source on Windows using a Windows Unicode name.
+They open
+\fIfname\fR
+and read
+\fIlen\fR
+bytes from offset
+\fIstart\fR
+from it.
+If
+\fIlen\fR
+is 0 or \-1, the whole file (starting from
+\fIstart\fR)
+is used.
+.PP
+If the file supports seek, the source can be used to open a zip archive from.
+.PP
+The file is opened and read when the data from the source is used, usually by
+\fBzip_close\fR()
+or
+\fBzip_open_from_source\fR().
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+or
+\fIerror\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_win32w\fR()
+and
+\fBzip_source_win32w_create\fR()
+fail if:
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIfname\fR,
+\fIstart\fR,
+or
+\fIlen\fR
+are invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.TP 19n
+[\fRZIP_ER_OPEN\fR]
+Opening
+\fIfname\fR
+failed.
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_replace(3),
+zip_source(3),
+zip_source_win32a(3),
+zip_source_win32handle(3)
+.SH "HISTORY"
+\fBzip_source_win32w\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_win32w.mdoc -- create data source using a win32 Unicode name
-.\" Copyright (C) 2015-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2015-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_SOURCE_WIN32W 3
.Os
.Sh NAME
.Xr zip_source 3 ,
.Xr zip_source_win32a 3 ,
.Xr zip_source_win32handle 3
+.Sh HISTORY
+.Fn zip_source_win32w
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_WRITE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_write\fR
+\- write data to zip source
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_int64_t\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_write\fR(\fIzip_source_t\ *source\fR, \fIconst\ void\ *data\fR, \fIzip_uint64_t\ len\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_write\fR()
+writes
+\fIlen\fR
+bytes from the buffer
+\fIdata\fR
+to the zip source
+\fIsource\fR
+at the current write offset.
+.PP
+The zip source
+\fIsource\fR
+has to be prepared for writing by calling
+zip_source_begin_write(3)
+first.
+.SH "RETURN VALUES"
+Upon successful completion the number of bytes written is returned.
+Otherwise, \-1 is returned and the error information in
+\fIsource\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_source(3),
+zip_source_begin_write(3),
+zip_source_commit_write(3),
+zip_source_rollback_write(3),
+zip_source_seek_write(3),
+zip_source_tell_write(3)
+.SH "HISTORY"
+\fBzip_source_write\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_write.mdoc -- write data to zip source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd November 18, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_WRITE 3
.Os
.Sh NAME
.Xr zip_source_rollback_write 3 ,
.Xr zip_source_seek_write 3 ,
.Xr zip_source_tell_write 3
+.Sh HISTORY
+.Fn zip_source_write
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_SOURCE_ZIP" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_source_zip\fR
+\- create data source from zip file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIzip_source_t *\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_source_zip\fR(\fIzip_t\ *archive\fR, \fIzip_t\ *srcarchive\fR, \fIzip_uint64_t\ srcidx\fR, \fIzip_flags_t\ flags\fR, \fIzip_uint64_t\ start\fR, \fIzip_int64_t\ len\fR);
+.PD
+.SH "DESCRIPTION"
+The function
+\fBzip_source_zip\fR()
+creates a zip source from a file in a zip archive.
+The
+\fIsrcarchive\fR
+argument is the (open) zip archive containing the source zip file
+at index
+\fIsrcidx\fR.
+\fIlen\fR
+bytes from offset
+\fIstart\fR
+will be used in the zip_source.
+If
+\fIlen\fR
+is 0 or \-1, the rest of the file, starting from
+\fIstart\fR,
+is used.
+If
+\fIstart\fR
+is zero and
+\fIlen\fR
+is \-1, the whole file will be copied without decompressing it.
+.PP
+Supported flags are:
+.TP 23n
+\fRZIP_FL_UNCHANGED\fR
+Try to get the original data without any changes that may have been
+made to
+\fIsrcarchive\fR
+after opening it.
+.TP 23n
+\fRZIP_FL_RECOMPRESS\fR
+When adding the data from
+\fIsrcarchive\fR,
+re-compress it using the current settings instead of copying the
+compressed data.
+.SH "RETURN VALUES"
+Upon successful completion, the created source is returned.
+Otherwise,
+\fRNULL\fR
+is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_source_zip\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_CHANGED\fR]
+Unchanged data was requested, but it is not available.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIsrcarchive\fR,
+\fIsrcidx\fR,
+\fIstart\fR,
+or
+\fIlen\fR
+are invalid.
+.TP 19n
+[\fRZIP_ER_MEMORY\fR]
+Required memory could not be allocated.
+.PD 0
+.PP
+Additionally, it can return all error codes from
+\fBzip_stat_index\fR()
+and
+\fBzip_fopen_index\fR().
+.PD
+.SH "SEE ALSO"
+libzip(3),
+zip_add(3),
+zip_replace(3),
+zip_source(3)
+.SH "HISTORY"
+\fBzip_source_zip\fR()
+was added in libzip 1.0.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_source_zip.mdoc -- create data source from zip file
-.\" Copyright (C) 2004-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd August 2, 2014
+.Dd December 18, 2017
.Dt ZIP_SOURCE_ZIP 3
.Os
.Sh NAME
.Xr zip_add 3 ,
.Xr zip_replace 3 ,
.Xr zip_source 3
+.Sh HISTORY
+.Fn zip_source_zip
+was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_STAT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_stat\fR,
+\fBzip_stat_index\fR
+\- get information about file
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_stat\fR(\fIzip_t\ *archive\fR, \fIconst\ char\ *fname\fR, \fIzip_flags_t\ flags\fR, \fIzip_stat_t\ *sb\fR);
+.PD
+.PP
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_stat_index\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR, \fIzip_flags_t\ flags\fR, \fIzip_stat_t\ *sb\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_stat\fR()
+function obtains information about the file named
+\fIfname\fR
+in
+\fIarchive\fR.
+The
+\fIflags\fR
+argument specifies how the name lookup should be done.
+Its values are described in
+zip_name_locate(3).
+Also,
+\fRZIP_FL_UNCHANGED\fR
+may be
+\fIor\fR'ed
+to it to request information about the original file in the archive,
+ignoring any changes made.
+.PP
+The
+\fBzip_stat_index\fR()
+function obtains information about the file at position
+\fIindex\fR.
+.PP
+The
+\fIsb\fR
+argument is a pointer to a
+\fIstruct zip_stat\fR
+(shown below), into which information about the file is placed.
+.nf
+.sp
+.RS 0n
+struct zip_stat {
+ zip_uint64_t valid; /* which fields have valid values */
+ const char *name; /* name of the file */
+ zip_uint64_t index; /* index within archive */
+ zip_uint64_t size; /* size of file (uncompressed) */
+ zip_uint64_t comp_size; /* size of file (compressed) */
+ time_t mtime; /* modification time */
+ zip_uint32_t crc; /* crc of file data */
+ zip_uint16_t comp_method; /* compression method used */
+ zip_uint16_t encryption_method; /* encryption method used */
+ zip_uint32_t flags; /* reserved for future use */
+};
+.RE
+.fi
+The structure pointed to by
+\fIsb\fR
+must be allocated before calling
+\fBzip_stat\fR()
+or
+\fBzip_stat_index\fR().
+.PP
+The
+\fIvalid\fR
+field of the structure specifies which other fields are valid.
+Check if the flag defined by the following defines are in
+\fIvalid\fR
+before accessing the fields:
+.RS 6n
+.PD 0
+.TP 30n
+\fRZIP_STAT_NAME\fR
+\fIname\fR
+.TP 30n
+\fRZIP_STAT_INDEX\fR
+\fIindex\fR
+.TP 30n
+\fRZIP_STAT_SIZE\fR
+\fIsize\fR
+.TP 30n
+\fRZIP_STAT_COMP_SIZE\fR
+\fIcomp_size\fR
+.TP 30n
+\fRZIP_STAT_MTIME\fR
+\fImtime\fR
+.TP 30n
+\fRZIP_STAT_CRC\fR
+\fIcrc\fR
+.TP 30n
+\fRZIP_STAT_COMP_METHOD\fR
+\fIcomp_method\fR
+.TP 30n
+\fRZIP_STAT_ENCRYPTION_METHOD\fR
+\fIencryption_method\fR
+.TP 30n
+\fRZIP_STAT_FLAGS\fR
+\fIflags\fR
+.RE
+.PD
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error information in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+The function
+\fBzip_stat\fR()
+can fail for any of the errors specified for the routine
+zip_name_locate(3).
+.PP
+The function
+\fBzip_stat_index\fR()
+fails and sets the error information to
+\fRZIP_ER_INVAL\fR
+if
+\fIindex\fR
+is invalid.
+If
+\fRZIP_FL_UNCHANGED\fR
+is not set and no information can be obtained from the source
+callback, the error information is set to
+\fRZIP_ER_CHANGED\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_get_num_entries(3),
+zip_name_locate(3),
+zip_stat_init(3)
+.SH "HISTORY"
+\fBzip_stat\fR()
+was added in libzip 0.6.
+In libzip 0.11 the type of
+\fIflags\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.PP
+\fBzip_stat_index\fR()
+was added in libzip 0.6.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+In libzip 0.11 the type of
+\fIflags\fR
+was changed from
+\fIint\fR
+to
+\fIzip_flags_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_stat.mdoc -- get information about file
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 29, 2016
+.Dd December 18, 2017
.Dt ZIP_STAT 3
.Os
.Sh NAME
.Xr zip_get_num_entries 3 ,
.Xr zip_name_locate 3 ,
.Xr zip_stat_init 3
+.Sh HISTORY
+.Fn zip_stat
+was added in libzip 0.6.
+In libzip 0.11 the type of
+.Ar flags
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
+.Pp
+.Fn zip_stat_index
+was added in libzip 0.6.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
+In libzip 0.11 the type of
+.Ar flags
+was changed from
+.Vt int
+to
+.Vt zip_flags_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_STAT_INIT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_stat_init\fR
+\- initialize zip_stat structure
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIvoid\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_stat_init\fR(\fIzip_stat_t\ *sb\fR);
+.PD
+.SH "DESCRIPTION"
+The
+\fBzip_stat_init\fR()
+function initializes the members of a struct zip_stat.
+The current members are described in
+zip_stat(3),
+but this function should be used to initialize it to
+make sure none are missed.
+The structure pointed to by
+\fIsb\fR
+must be allocated before calling
+\fBzip_stat_init\fR().
+.PP
+This function should be used by functions provided to
+zip_source_function(3)
+when returning
+\fRZIP_SOURCE_STAT\fR
+information to make sure all fields are initialized.
+.SH "RETURN VALUES"
+If
+\fIsb\fR
+is valid, the function is always successful.
+.SH "SEE ALSO"
+libzip(3),
+zip_stat(3)
+.SH "HISTORY"
+\fBzip_stat_init\fR()
+was added in libzip 0.8.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_stat_init.mdoc -- init zip_stat structure
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd September 22, 2013
+.Dd December 18, 2017
.Dt ZIP_STAT_INIT 3
.Os
.Sh NAME
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_stat 3
+.Sh HISTORY
+.Fn zip_stat_init
+was added in libzip 0.8.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_UNCHANGE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_unchange\fR
+\- undo changes to file in zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_unchange\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR);
+.PD
+.SH "DESCRIPTION"
+Changes to the file at position
+\fIindex\fR
+are reverted.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "ERRORS"
+\fBzip_unchange\fR()
+fails if:
+.TP 19n
+[\fRZIP_ER_EXISTS\fR]
+Unchanging the name would result in a duplicate name in the archive.
+.TP 19n
+[\fRZIP_ER_INVAL\fR]
+\fIindex\fR
+is not a valid file index in
+\fIzip\fR.
+.SH "SEE ALSO"
+libzip(3),
+zip_unchange_all(3),
+zip_unchange_archive(3)
+.SH "HISTORY"
+\fBzip_unchange\fR()
+was added in libzip 0.6.
+In libzip 0.10 the type of
+\fIindex\fR
+was changed from
+\fIint\fR
+to
+\fIzip_uint64_t\fR.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_unchange.mdoc -- undo changes to file in zip archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd April 23, 2006
+.Dd December 18, 2017
.Dt ZIP_UNCHANGE 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_unchange_all 3 ,
.Xr zip_unchange_archive 3
+.Sh HISTORY
+.Fn zip_unchange
+was added in libzip 0.6.
+In libzip 0.10 the type of
+.Ar index
+was changed from
+.Vt int
+to
+.Vt zip_uint64_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_UNCHANGE_ALL" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_unchange_all\fR
+\- undo all changes in a zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_unchange_all\fR(\fIzip_t\ *archive\fR);
+.PD
+.SH "DESCRIPTION"
+All changes to files and global information in
+\fIarchive\fR
+are reverted.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_unchange(3),
+zip_unchange_archive(3)
+.SH "HISTORY"
+\fBzip_unchange_all\fR()
+was added in libzip 0.6.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_unchange_all.mdoc -- undo changes to all files in zip archive
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd April 23, 2006
+.Dd December 18, 2017
.Dt ZIP_UNCHANGE_ALL 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_unchange 3 ,
.Xr zip_unchange_archive 3
+.Sh HISTORY
+.Fn zip_unchange_all
+was added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIP_UNCHANGE_ARCHIVE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzip_unchange_archive\fR
+\- undo global changes to zip archive
+.SH "LIBRARY"
+libzip (-lzip)
+.SH "SYNOPSIS"
+\fB#include <zip.h>\fR
+.sp
+\fIint\fR
+.br
+.PD 0
+.HP 4n
+\fBzip_unchange_archive\fR(\fIzip_t\ *archive\fR);
+.PD
+.SH "DESCRIPTION"
+Revert all global changes to the archive
+\fIarchive\fR.
+This reverts changes to the archive comment and global flags.
+.SH "RETURN VALUES"
+Upon successful completion 0 is returned.
+Otherwise, \-1 is returned and the error code in
+\fIarchive\fR
+is set to indicate the error.
+.SH "SEE ALSO"
+libzip(3),
+zip_unchange(3),
+zip_unchange_all(3)
+.SH "HISTORY"
+\fBzip_unchange_archive\fR()
+was added in libzip 0.7.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zip_unchange_archive.mdoc -- undo changes to all files in zip archive
-.\" Copyright (C) 2006-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd May 14, 2008
+.Dd December 18, 2017
.Dt ZIP_UNCHANGE_ARCHIVE 3
.Os
.Sh NAME
.Xr libzip 3 ,
.Xr zip_unchange 3 ,
.Xr zip_unchange_all 3
+.Sh HISTORY
+.Fn zip_unchange_archive
+was added in libzip 0.7.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIPCMP" "1" "December 18, 2017" "NiH" "General Commands Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzipcmp\fR
+\- compare contents of zip archives
+.SH "SYNOPSIS"
+.HP 7n
+\fBzipcmp\fR
+[\fB\-hipqtVv\fR]
+\fIarchive1\ archive2\fR
+.SH "DESCRIPTION"
+\fBzipcmp\fR
+compares the zip archives or directories
+\fIarchive1\fR
+and
+\fIarchive2\fR
+and checks if they contain the same files, comparing their names,
+uncompressed sizes, and CRCs.
+File order and compressed size differences are ignored.
+.PP
+Supported options:
+.TP 5n
+\fB\-h\fR
+Display a short help message and exit.
+.TP 5n
+\fB\-i\fR
+Compare names ignoring case distinctions.
+.TP 5n
+\fB\-p\fR
+Enable paranoid checks.
+Compares extra fields and other meta data.
+(Automatically disabled if one of the archives is a directory.)
+.TP 5n
+\fB\-q\fR
+Quiet mode.
+Compare
+\fB\-v\fR.
+.TP 5n
+\fB\-t\fR
+Test zip files by comparing the contents to their checksums.
+.TP 5n
+\fB\-V\fR
+Display version information and exit.
+.TP 5n
+\fB\-v\fR
+Verbose mode.
+Print details about differences to stdout.
+(This is the default.)
+.SH "EXIT STATUS"
+\fBzipcmp\fR
+exits 0 if the two archives contain the same files, 1 if they differ,
+and >1 if an error occurred.
+.SH "SEE ALSO"
+zipmerge(1),
+ziptool(1),
+libzip(3)
+.SH "HISTORY"
+\fBzipcmp\fR
+was added in libzip 0.6.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zipcmp.mdoc -- compare zip archives
-.\" Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd January 19, 2016
+.Dd December 18, 2017
.Dt ZIPCMP 1
.Os
.Sh NAME
.Xr zipmerge 1 ,
.Xr ziptool 1 ,
.Xr libzip 3
+.Sh HISTORY
+.Nm
+was added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIPMERGE" "1" "December 18, 2017" "NiH" "General Commands Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBzipmerge\fR
+\- merge zip archives
+.SH "SYNOPSIS"
+.HP 9n
+\fBzipmerge\fR
+[\fB\-DhIiSsV\fR]
+\fItarget-zip\fR
+\fIsource-zip\fR\ [\fIsource-zip\ ...\fR]
+.SH "DESCRIPTION"
+\fBzipmerge\fR
+merges the source zip archives
+\fIsource-zip\fR
+into the target zip archive
+\fItarget-zip\fR.
+By default, files in the source zip archives overwrite
+existing files of the same name in the target zip archive.
+.PP
+Supported options:
+.TP 5n
+\fB\-D\fR
+Ignore directory components in file name comparisons.
+This option is slow for archives with many files.
+.TP 5n
+\fB\-h\fR
+Display a short help message and exit.
+.TP 5n
+\fB\-I\fR
+Ignore case in file name comparisons
+This option is slow for archives with many files.
+.TP 5n
+\fB\-i\fR
+Ask before overwriting files.
+See also
+\fB\-s\fR.
+.TP 5n
+\fB\-S\fR
+Do not overwrite files that have the same size and
+CRC32 in both the source and target archives.
+.TP 5n
+\fB\-s\fR
+When
+\fB\-i\fR
+is given, do not before overwriting files that have the same size
+and CRC32.
+.TP 5n
+\fB\-V\fR
+Display version information and exit.
+.SH "EXIT STATUS"
+\fBzipmerge\fR
+exits 0 on success and >1 if an error occurred.
+.SH "SEE ALSO"
+zipcmp(1),
+ziptool(1),
+libzip(3)
+.SH "HISTORY"
+\fBzipmerge\fR
+was added in libzip 0.6.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" zipmerge.mdoc -- merge zip archives
-.\" Copyright (C) 2004-2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd April 25, 2017
+.Dd December 18, 2017
.Dt ZIPMERGE 1
.Os
.Sh NAME
.Xr zipcmp 1 ,
.Xr ziptool 1 ,
.Xr libzip 3
+.Sh HISTORY
+.Nm
+was added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
--- /dev/null
+.TH "ZIPTOOL" "1" "December 18, 2017" "NiH" "General Commands Manual"
+.nh
+.if n .ad l
+.SH "NAME"
+\fBziptool\fR
+\- modify zip archives
+.SH "SYNOPSIS"
+.HP 8n
+\fBziptool\fR
+[\fB\-ceghnrst\fR]
+[\fB\-l\fR\ \fIlength\fR]
+[\fB\-o\fR\ \fIoffset\fR]
+\fIzip-archive\fR
+\fBcommand\fR\ [\fIcommand-args\ ...\fR]
+[\fBcommand\fR\ [\fIcommand-args\ ...\fR]\ ...]
+.SH "DESCRIPTION"
+\fBziptool\fR
+modifies the zip archive
+\fIzip-archive\fR
+according to the
+\fIcommands\fR
+given.
+.PP
+Supported options:
+.TP 13n
+\fB\-c\fR
+Check zip archive consistency when opening it.
+.TP 13n
+\fB\-e\fR
+Error if archive already exists (only useful with
+\fB\-n\fR).
+.TP 13n
+\fB\-g\fR
+Guess file name encoding (for
+\fBstat\fR
+command).
+.TP 13n
+\fB\-h\fR
+Display help.
+.TP 13n
+\fB\-l\fR \fIlength\fR
+Only read
+\fIlength\fR
+bytes of archive.
+See also
+\fB\-o\fR.
+.TP 13n
+\fB\-n\fR
+Create archive if it doesn't exist.
+See also
+\fB\-e\fR.
+.TP 13n
+\fB\-o\fR \fIoffset\fR
+Start reading input archive from
+\fIoffset\fR.
+See also
+\fB\-l\fR.
+.TP 13n
+\fB\-r\fR
+Print raw file name encoding without translation (for
+\fBstat\fR
+command).
+.TP 13n
+\fB\-s\fR
+Follow file name convention strictly (for
+\fBstat\fR
+command).
+.TP 13n
+\fB\-t\fR
+Disregard current file contents, if any.
+\fINote\fR:
+use this with care, it deletes all existing file contents when
+you modify the archive.
+.SS "Commands"
+For all commands below, the index is zero-based.
+In other words, the first entry in the zip archive has index 0.
+.PP
+Supported commands and arguments are:
+.TP 12n
+\fBadd\fR \fIname content\fR
+Add file called
+\fIname\fR
+using the string
+\fIcontent\fR
+from the command line as data.
+.TP 12n
+\fBadd_dir\fR \fIname\fR
+Add directory
+\fIname\fR.
+.TP 12n
+\fBadd_file\fR \fIname file_to_add offset len\fR
+Add file
+\fIname\fR
+to archive, using
+\fIlen\fR
+bytes from the file
+\fIfile_to_add\fR
+as input data, starting at
+\fIoffset\fR.
+.TP 12n
+\fBadd_from_zip\fR \fIname archivename index offset len\fR
+Add file called
+\fIname\fR
+to archive using data from another zip archive
+\fIarchivename\fR
+using the entry with index
+\fIindex\fR
+and reading
+\fIlen\fR
+bytes from
+\fIoffset\fR.
+.TP 12n
+\fBcat\fR \fIindex\fR
+Output file contents for entry
+\fIindex\fR
+to stdout.
+.TP 12n
+\fBcount_extra\fR \fIindex flags\fR
+Print the number of extra fields for archive entry
+\fIindex\fR
+using
+\fIflags\fR.
+.TP 12n
+\fBcount_extra_by_id\fR \fIindex extra_id flags\fR
+Print number of extra fields of type
+\fIextra_id\fR
+for archive entry
+\fIindex\fR
+using
+\fIflags\fR.
+.TP 12n
+\fBdelete\fR \fIindex\fR
+Remove entry at
+\fIindex\fR
+from zip archive.
+.TP 12n
+\fBdelete_extra\fR \fIindex extra_idx flags\fR
+Remove extra field number
+\fIextra_idx\fR
+from archive entry
+\fIindex\fR
+using
+\fIflags\fR.
+.TP 12n
+\fBdelete_extra_by_id\fR \fIindex extra_id extra_index flags\fR
+Remove extra field number
+\fIextra_index\fR
+of type
+\fIextra_id\fR
+from archive entry
+\fIindex\fR
+using
+\fIflags\fR.
+.TP 12n
+\fBget_archive_comment\fR
+Print archive comment.
+.TP 12n
+\fBget_extra\fR \fIindex extra_index flags\fR
+Print extra field
+\fIextra_index\fR
+for archive entry
+\fIindex\fR
+using
+\fIflags\fR.
+.TP 12n
+\fBget_extra_by_id\fR \fIindex extra_id extra_index flags\fR
+Print extra field
+\fIextra_index\fR
+of type
+\fIextra_id\fR
+for archive entry
+\fIindex\fR
+using
+\fIflags\fR.
+.TP 12n
+\fBget_file_comment\fR \fIindex\fR
+Get file comment for archive entry
+\fIindex\fR.
+.TP 12n
+\fBget_num_entries\fR \fIflags\fR
+Print number of entries in archive using
+\fIflags\fR.
+.TP 12n
+\fBname_locate\fR \fIname flags\fR
+Find entry in archive with the filename
+\fIname\fR
+using
+\fIflags\fR
+and print its index.
+.TP 12n
+\fBrename\fR \fIindex name\fR
+Rename archive entry
+\fIindex\fR
+to
+\fIname\fR.
+.TP 12n
+\fBreplace_file_contents\fR \fIindex data\fR
+Replace file contents for archive entry
+\fIindex\fR
+with the string
+\fIdata\fR.
+.TP 12n
+\fBset_archive_comment\fR \fIcomment\fR
+Set archive comment to
+\fIcomment\fR.
+.TP 12n
+\fBset_extra\fR \fIindex extra_id extra_index flags value\fR
+Set extra field number
+\fIextra_index\fR
+of type
+\fIextra_id\fR
+for archive entry
+\fIindex\fR
+using
+\fIflags\fR
+to
+\fIvalue\fR.
+.TP 12n
+\fBset_file_comment\fR \fIindex comment\fR
+Set file comment for archive entry
+\fIindex\fR
+to string
+\fIcomment\fR.
+.TP 12n
+\fBset_file_compression\fR \fIindex method compression_flags\fR
+Set file compression method for archive entry
+\fIindex\fR
+to
+\fImethod\fR
+using
+\fIcompression_flags\fR.
+\fINote\fR:
+Currently,
+\fIcompression_flags\fR
+are ignored.
+.TP 12n
+\fBset_file_encryption\fR \fIindex method password\fR
+Set file encryption method for archive entry
+\fIindex\fR
+to
+\fImethod\fR
+with password
+\fIpassword\fR.
+.TP 12n
+\fBset_file_mtime\fR \fIindex timestamp\fR
+Set file modification time for archive entry
+\fIindex\fR
+to UNIX mtime
+\fItimestamp\fR.
+.TP 12n
+\fBset_file_mtime_all\fR \fItimestamp\fR
+Set file modification time for all archive entries to UNIX mtime
+\fItimestamp\fR.
+.TP 12n
+\fBset_password\fR \fIpassword\fR
+Set default password for encryption/decryption to
+\fIpassword\fR.
+.TP 12n
+\fBstat\fR \fIindex\fR
+Print information about archive entry
+\fIindex\fR.
+.SS "Flags"
+Some commands take flag arguments.
+Supported flags are:
+.RS 6n
+.PD 0
+.TP 5n
+\fIC\fR
+\fRZIP_FL_NOCASE\fR
+.TP 5n
+\fIc\fR
+\fRZIP_FL_CENTRAL\fR
+.TP 5n
+\fId\fR
+\fRZIP_FL_NODIR\fR
+.TP 5n
+\fIl\fR
+\fRZIP_FL_LOCAL\fR
+.TP 5n
+\fIu\fR
+\fRZIP_FL_UNCHANGED\fR
+.RE
+.PD
+.SS "Compression Methods"
+Some commands take compression method arguments.
+Supported methods are:
+.RS 6n
+.PD 0
+.TP 4n
+\fB\(bu\fR
+\fRdefault\fR
+.TP 4n
+\fB\(bu\fR
+\fRdeflate\fR
+.TP 4n
+\fB\(bu\fR
+\fRstore\fR
+.RE
+.PD
+.SS "Encryption Methods"
+Some commands take encryption method arguments.
+Supported methods are:
+.RS 6n
+.PD 0
+.TP 4n
+\fB\(bu\fR
+\fRnone\fR
+.TP 4n
+\fB\(bu\fR
+\fRAES-128\fR
+.TP 4n
+\fB\(bu\fR
+\fRAES-192\fR
+.TP 4n
+\fB\(bu\fR
+\fRAES-256\fR
+.RE
+.PD
+.SH "EXIT STATUS"
+.br
+The \fBziptool\fR utility exits\~0 on success, and\~>0 if an error occurs.
+.SH "EXAMPLES"
+Add a file called
+\fIteststring.txt\fR
+to the zip archive
+\fItestbuffer.zip\fR
+with data
+\(LqThis is a test.\en\(Rq
+where
+\(Lq\en\(Rq
+is replaced with a newline character:
+.nf
+.sp
+.RS 6n
+ziptool testbuffer.zip add teststring.txt \\"This is a test.\en\\"
+.RE
+.fi
+.PP
+Delete the first file from the zip archive
+\fItestfile.zip\fR:
+.nf
+.sp
+.RS 6n
+ziptool testfile.zip delete 0
+.RE
+.fi
+.SH "SEE ALSO"
+zipcmp(1),
+zipmerge(1),
+libzip(3)
+.SH "HISTORY"
+\fBziptool\fR
+was added in libzip 1.1.
+.SH "AUTHORS"
+Dieter Baron <\fIdillo@nih.at\fR>
+and
+Thomas Klausner <\fItk@giga.or.at\fR>
.\" ziptool.mdoc -- modify zip archives in multiple ways
-.\" Copyright (C) 2016 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 16, 2016
+.Dd December 18, 2017
.Dt ZIPTOOL 1
.Os
.Sh NAME
.Nd modify zip archives
.Sh SYNOPSIS
.Nm
-.Op Fl cegHhmnrst
+.Op Fl ceghnrst
.Op Fl l Ar length
.Op Fl o Ar offset
.Ar zip-archive
Guess file name encoding (for
.Cm stat
command).
-.It Fl H
-Write files with
-.Dq holes
-compactly.
-In other words, when the modified zip archive contains long runs of zeroes,
-write a basic run-length encoded block instead.
-.Em Note :
-This command is for internal testing of
-.Xr libzip 3
-and will usually create invalid zip archives.
.It Fl h
Display help.
.It Fl l Ar length
bytes of archive.
See also
.Fl o .
-.It Fl m
-Read archive into memory, and modify there; write out at end.
-.Em Note :
-This command is for internal testing of
-.Xr libzip 3 .
.It Fl n
Create archive if it doesn't exist.
See also
.Ar len
bytes from
.Ar offset .
-.It Cm add_nul Ar name length
-Add a file
-.Ar name
-consisting of
-.Ar length
-NUL bytes.
-(Mostly useful for testing.)
.It Cm cat Ar index
Output file contents for entry
.Ar index
.It Cm stat Ar index
Print information about archive entry
.Ar index .
-.It Cm unchange_all
-Revert all changes up to that point.
-Mostly useful for testing.
-.It Cm zin_close Ar index
-Close input zip_source
-.Ar index .
-For internal tests only.
.El
.Ss Flags
Some commands take flag arguments.
.Xr zipcmp 1 ,
.Xr zipmerge 1 ,
.Xr libzip 3
+.Sh HISTORY
+.Nm
+was added in libzip 1.1.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
-ENABLE_TESTING()
-
CHECK_FUNCTION_EXISTS(getopt HAVE_GETOPT)
IF(NOT HAVE_GETOPT)
SET(SRC_EXTRA_FILES ../src/getopt.c)
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/../src)
-ENDIF(NOT HAVE_GETOPT)
+ENDIF()
SET(TEST_PROGRAMS
add_from_filep
tryopen
)
+ADD_EXECUTABLE(can_clone_file can_clone_file.c)
+
+SET(ENV{srcdir} ${CMAKE_CURRENT_SOURCE_DIR})
+FOREACH(PROGRAM ${TEST_PROGRAMS})
+ ADD_EXECUTABLE(${PROGRAM} ${PROGRAM}.c)
+ TARGET_LINK_LIBRARIES(${PROGRAM} zip)
+ENDFOREACH()
+
+ADD_EXECUTABLE(hole hole.c ${SRC_EXTRA_FILES} source_hole.c)
+TARGET_LINK_LIBRARIES(hole zip)
+
+ADD_EXECUTABLE(ziptool_regress ziptool_regress.c ${SRC_EXTRA_FILES} source_hole.c)
+TARGET_LINK_LIBRARIES(ziptool_regress zip)
+
+ADD_LIBRARY(malloc MODULE malloc.c)
+TARGET_LINK_LIBRARIES(malloc ${CMAKE_DL_LIBS})
+ADD_LIBRARY(nonrandomopen MODULE nonrandomopen.c)
+TARGET_LINK_LIBRARIES(nonrandomopen ${CMAKE_DL_LIBS})
+
+FOREACH(PROGRAM ${GETOPT_USERS})
+ ADD_EXECUTABLE(${PROGRAM} ${PROGRAM}.c ${SRC_EXTRA_FILES})
+ TARGET_LINK_LIBRARIES(${PROGRAM} zip)
+ENDFOREACH()
+
+# for appveyor builds
+#SET(CMAKE_MSVCIDE_RUN_PATH C:/projects/libzip/vstudio/zlib/installed/bin;C:/projects/libzip/vstudio/zlib/installed/lib;C:/projects/libzip/build/lib/Release)
+
+ADD_CUSTOM_TARGET(cleanup
+ COMMAND ${CMAKE_COMMAND} -DDIR=${CMAKE_CURRENT_BINARY_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/cleanup.cmake
+ )
+
+ADD_CUSTOM_TARGET(testinput
+ ALL
+ VERBATIM
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 0 > manyfiles.zip
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 1 > manyfiles-133000.zip
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 2 > manyfiles-65536.zip
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 3 > manyfiles-zip64-modulo.zip
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 4 > manyfiles-zip64.zip
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 5 > manyfiles-fewer.zip
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 6 > manyfiles-more.zip
+ COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/bigzero-zip.zip cat 0 > bigzero.zip
+ DEPENDS ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip ${CMAKE_CURRENT_SOURCE_DIR}/bigzero-zip.zip
+)
+
+SET_PROPERTY(DIRECTORY PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
+ bigzero.zip
+ manyfiles-133000.zip
+ manyfiles-65536.zip
+ manyfiles-fewer.zip
+ manyfiles-more.zip
+ manyfiles-zip64-modulo.zip
+ manyfiles-zip64.zip
+ manyfiles.zip
+)
+
SET(EXTRA_TESTS
add_dir.test
add_from_buffer.test
add_from_zip_stored.test
add_stored.test
add_stored_in_memory.test
+ buffer-fragment-read.test
+ buffer-fragment-write.test
+ clone-buffer-add.test
+ clone-buffer-delete.test
+ clone-buffer-replace.test
+ clone-fs-add.test
+ clone-fs-delete.test
+ clone-fs-replace.test
cm-default.test
count_entries.test
decrypt-correct-password-aes128.test
delete_multiple_partial.test
delete_renamed_rename.test
encrypt.test
-# TODO: the tests need nonrandomopen.so, which is not hooked into the CMake build
-# encryption-nonrandom-aes128.test
-# encryption-nonrandom-aes192.test
-# encryption-nonrandom-aes256.test
+ encryption-nonrandom-aes128.test
+ encryption-nonrandom-aes192.test
+ encryption-nonrandom-aes256.test
encryption-remove.test
extra_add.test
extra_add_multiple.test
zip64_stored_creation.test
)
-SET(ENV{srcdir} ${CMAKE_CURRENT_SOURCE_DIR})
-FOREACH(PROGRAM ${TEST_PROGRAMS})
- ADD_EXECUTABLE(${PROGRAM} ${PROGRAM}.c)
- TARGET_LINK_LIBRARIES(${PROGRAM} zip)
-ENDFOREACH(PROGRAM ${STANDALONE_TEST_PROGRAMS})
-
-FOREACH(PROGRAM ${GETOPT_USERS})
- ADD_EXECUTABLE(${PROGRAM} ${PROGRAM}.c ${SRC_EXTRA_FILES})
- TARGET_LINK_LIBRARIES(${PROGRAM} zip)
-ENDFOREACH(PROGRAM ${GETOPT_USERS})
-
-# for appveyor builds
-#SET(CMAKE_MSVCIDE_RUN_PATH C:/projects/libzip/vstudio/zlib/installed/bin;C:/projects/libzip/vstudio/zlib/installed/lib;C:/projects/libzip/build/lib/Release)
-
-ADD_CUSTOM_TARGET(
- testinput
- # ALL
- VERBATIM
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 0 > manyfiles.zip
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 1 > manyfiles-133000.zip
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 2 > manyfiles-65536.zip
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 3 > manyfiles-zip64-modulo.zip
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 4 > manyfiles-zip64.zip
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 5 > manyfiles-fewer.zip
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip cat 6 > manyfiles-more.zip
- COMMAND ziptool ${CMAKE_CURRENT_SOURCE_DIR}/bigzero-zip.zip cat 0 > bigzero.zip
- DEPENDS ziptool ${CMAKE_CURRENT_SOURCE_DIR}/manyfiles-zip.zip ${CMAKE_CURRENT_SOURCE_DIR}/bigzero-zip.zip
-)
-SET_PROPERTY(DIRECTORY PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
- bigzero.zip
- manyfiles-133000.zip
- manyfiles-65536.zip
- manyfiles-fewer.zip
- manyfiles-more.zip
- manyfiles-zip64-modulo.zip
- manyfiles-zip64.zip
- manyfiles.zip
-)
-
FOREACH(CASE ${EXTRA_TESTS})
ADD_TEST(${CASE} perl ${CMAKE_BINARY_DIR}/regress/runtest ${CMAKE_CURRENT_SOURCE_DIR}/${CASE})
-ENDFOREACH(CASE ${EXTRA_TESTS})
+ SET_TESTS_PROPERTIES(${CASE} PROPERTIES SKIP_RETURN_CODE 77)
+ENDFOREACH()
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../lib
${CMAKE_CURRENT_SOURCE_DIR}/../src
${CMAKE_CURRENT_BINARY_DIR}/..)
+
+ADD_CUSTOM_TARGET(check COMMAND ${CMAKE_CTEST_COMMAND})
+++ /dev/null
-AUTOMAKE_OPTIONS= parallel-tests
-
-noinst_SCRIPTS= runtest
-
-noinst_PROGRAMS= \
- add_from_filep \
- fopen_unchanged \
- fread \
- fseek \
- nonrandomopentest \
- tryopen
-
-if !WIN32_HOST
-pkglib_LTLIBRARIES= malloc.la nonrandomopen.la
-
-malloc_la_SOURCES= malloc.c
-malloc_la_LDFLAGS= -module -avoid-version
-malloc_la_LIBADD= ${DLSYM_LIB}
-
-nonrandomopen_la_SOURCES= nonrandomopen.c
-nonrandomopen_la_LDFLAGS= -module -avoid-version
-nonrandomopen_la_LIBADD= ${DLSYM_LIB}
-
-# we have to do it this way, because if we choose noinst_LTLIBRARIES,
-# only the .a files are built
-install-pkglibLTLIBRARIES:
- @echo not installing shared objects needed only for testing
-endif
-
-EXTRA_DIST= \
- CMakeLists.txt \
- NiHTest.pm \
- runtest.in \
- ${TESTS} \
- bigstored.zh \
- bigzero-zip.zip \
- bogus.zip \
- broken.zip \
- cm-default.zip \
- encrypt-aes128-noentropy.zip \
- encrypt-aes192-noentropy.zip \
- encrypt-aes256-noentropy.zip \
- encrypt-aes128.zip \
- encrypt-aes192.zip \
- encrypt-aes256.zip \
- encrypt-none.zip \
- encrypt.zip \
- encrypt_plus_extra.zip \
- encrypt_plus_extra_modified_c.zip \
- encrypt_plus_extra_modified_l.zip \
- extra_field_align_1-0.zip \
- extra_field_align_1-ff.zip \
- extra_field_align_2-0.zip \
- extra_field_align_2-ff.zip \
- extra_field_align_3-0.zip \
- extra_field_align_3-ff.zip \
- extra_field_align_4-ff.zip \
- extra_field_align_1-ef_00.zip \
- extra_field_align_1-ef_ff.zip \
- extra_field_align_2-ef_00.zip \
- extra_field_align_2-ef_ff.zip \
- extra_field_align_3-ef_00.zip \
- extra_field_align_3-ef_ff.zip \
- filename_duplicate.zip \
- filename_duplicate_empty.zip \
- filename_empty.zip \
- fileorder.zip \
- firstsecond.zip \
- firstsecond-split-deflated.zip \
- firstsecond-split-stored.zip \
- foo-stored.zip \
- incons-archive-comment-longer.zip \
- incons-archive-comment-shorter.zip \
- incons-cdoffset.zip \
- incons-central-compression-method.zip \
- incons-central-compsize-larger-toolarge.zip \
- incons-central-compsize-larger.zip \
- incons-central-compsize-smaller.zip \
- incons-central-crc.zip \
- incons-central-date.zip \
- incons-central-file-comment-longer.zip \
- incons-central-file-comment-shorter.zip \
- incons-central-magic-bad.zip \
- incons-central-magic-bad2.zip \
- incons-central-size-larger.zip \
- incons-data.zip \
- incons-ef-central-size-wrong.zip \
- incons-ef-local-id-size.zip \
- incons-ef-local-id.zip \
- incons-ef-local-size.zip \
- incons-eocd-magic-bad.zip \
- incons-file-count-high.zip \
- incons-file-count-low.zip \
- incons-file-count-overflow.zip \
- incons-local-compression-method.zip \
- incons-local-compsize-larger.zip \
- incons-local-compsize-smaller.zip \
- incons-local-crc.zip \
- incons-local-filename-long.zip \
- incons-local-filename-missing.zip \
- incons-local-filename-short.zip \
- incons-local-filename.zip \
- incons-local-magic-bad.zip \
- incons-local-size-larger.zip \
- junk-at-end.zip \
- junk-at-start.zip \
- large-uncompressable \
- manyfiles-zip.zip \
- multidisk.zip \
- rename_ok.zip \
- streamed.zip \
- streamed-zip64.zip \
- test.zip \
- test2.zip \
- test-cp437.zip \
- test-cp437-comment-utf-8.zip \
- test-cp437-fc.zip \
- test-cp437-fc-utf-8-filename.zip \
- test-utf8.zip \
- test-utf8-unmarked.zip \
- testbuffer.zip \
- testbzip2.zip \
- testdir.zip \
- testchanged.zip \
- testchangedlocal.zip \
- testcomment.zip \
- testcomment13.zip \
- testcommentremoved.zip \
- testdeflated.zip \
- testdeflated2.zip \
- testempty.zip \
- testextrabytes.zip \
- testfile.txt \
- testfile.zip \
- testfile-cp437.zip \
- testfile-plus-extra.zip \
- testfile-UTF8.zip \
- testfile2014.zip \
- teststdin.zip \
- teststored.zip \
- utf-8-standardization-input.zip \
- utf-8-standardization-output.zip \
- zip-in-archive-comment.zip \
- zip64.zip \
- zip64-3mf.zip
-
-TESTS_ENVIRONMENT= ZIPCMP=${top_builddir}/src/zipcmp
-# ${srcdir}/runtest
-#LOG_COMPILER= ${srcdir}/runtest
-TEST_EXTENSIONS= .test
-TEST_LOG_COMPILER= ${builddir}/runtest
-#AM_TEST_LOG_FLAGS = -s
-
-TESTS= \
- add_dir.test \
- add_from_buffer.test \
- add_from_file.test \
- add_from_file_duplicate.test \
- add_from_file_twice_duplicate.test \
- add_from_filep.test \
- add_from_stdin.test \
- add_from_zip_closed.test \
- add_from_zip_deflated.test \
- add_from_zip_deflated2.test \
- add_from_zip_partial_deflated.test \
- add_from_zip_partial_stored.test \
- add_from_zip_stored.test \
- add_stored.test \
- add_stored_in_memory.test \
- cm-default.test \
- count_entries.test \
- decrypt-correct-password-aes128.test \
- decrypt-correct-password-aes192.test \
- decrypt-correct-password-aes256.test \
- decrypt-correct-password-pkware.test \
- decrypt-no-password-aes256.test \
- decrypt-wrong-password-aes128.test \
- decrypt-wrong-password-aes192.test \
- decrypt-wrong-password-aes256.test \
- decrypt-wrong-password-pkware.test \
- delete_add_same.test \
- delete_invalid.test \
- delete_last.test \
- delete_multiple_last.test \
- delete_multiple_partial.test \
- delete_renamed_rename.test \
- encrypt.test \
- encryption-nonrandom-aes128.test \
- encryption-nonrandom-aes192.test \
- encryption-nonrandom-aes256.test \
- encryption-remove.test \
- extra_add.test \
- extra_add_multiple.test \
- extra_count.test \
- extra_count_by_id.test \
- extra_count_ignore_zip64.test \
- extra_delete.test \
- extra_delete_by_id.test \
- extra_field_align.test \
- extra_get.test \
- extra_get_by_id.test \
- extra_set.test \
- extra_set_modify_c.test \
- extra_set_modify_l.test \
- fdopen_ok.test \
- file_comment_encmismatch.test \
- fopen_unchanged.test \
- fread.test \
- fseek_deflated.test \
- fseek_fail.test \
- fseek_ok.test \
- get_comment.test \
- junk_at_end.test \
- junk_at_start.test \
- name_locate.test \
- open_cons_extrabytes.test \
- open_empty.test \
- open_empty_2.test \
- open_extrabytes.test \
- open_file_count.test \
- open_filename_duplicate.test \
- open_filename_duplicate_consistency.test \
- open_filename_duplicate_empty.test \
- open_filename_duplicate_empty_consistency.test \
- open_filename_empty.test \
- open_incons.test \
- open_many_fail.test \
- open_many_ok.test \
- open_multidisk.test \
- open_new_but_exists.test \
- open_new_ok.test \
- open_nonarchive.test \
- open_nosuchfile.test \
- open_ok.test \
- open_too_short.test \
- open_truncate.test \
- open_zip64_3mf.test \
- open_zip64_ok.test \
- preload.test \
- progress.test \
- rename_ascii.test \
- rename_cp437.test \
- rename_deleted.test \
- rename_fail.test \
- rename_ok.test \
- rename_utf8.test \
- rename_utf8_encmismatch.test \
- set_comment_all.test \
- set_comment_localonly.test \
- set_comment_removeglobal.test \
- set_comment_revert.test \
- set_compression_bzip2_to_deflate.test \
- set_compression_deflate_to_bzip2.test \
- set_compression_deflate_to_deflate.test \
- set_compression_deflate_to_store.test \
- set_compression_store_to_bzip2.test \
- set_compression_store_to_deflate.test \
- set_compression_store_to_store.test \
- set_compression_unknown.test \
- stat_index_cp437_guess.test \
- stat_index_cp437_raw.test \
- stat_index_cp437_strict.test \
- stat_index_fileorder.test \
- stat_index_streamed.test \
- stat_index_streamed_zip64.test \
- stat_index_utf8_guess.test \
- stat_index_utf8_raw.test \
- stat_index_utf8_strict.test \
- stat_index_utf8_unmarked_strict.test \
- stat_index_zip64.test \
- utf-8-standardization.test \
- zip-in-archive-comment.test \
- zip64_creation.test \
- zip64_stored_creation.test
-
-#XFAIL_TESTS=
-
-
-AM_CPPFLAGS=-I${top_srcdir}/lib -I../lib -I${top_srcdir}/src
-LDADD=${top_builddir}/lib/libzip.la
-
-CREATED_FILES= \
- bigzero.zip \
- manyfiles-133000.zip \
- manyfiles-65536.zip \
- manyfiles-fewer.zip \
- manyfiles-more.zip \
- manyfiles-zip64-modulo.zip \
- manyfiles-zip64.zip \
- manyfiles.zip \
- runtest
-
-check-am: ${CREATED_FILES}
-
-bigzero.zip: bigzero-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/bigzero-zip.zip cat 0 > ${builddir}/bigzero.zip
-
-manyfiles.zip: manyfiles-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/manyfiles-zip.zip cat 0 > ${builddir}/$@
-
-manyfiles-133000.zip: manyfiles-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/manyfiles-zip.zip cat 1 > ${builddir}/$@
-
-manyfiles-65536.zip: manyfiles-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/manyfiles-zip.zip cat 2 > ${builddir}/$@
-
-manyfiles-fewer.zip: manyfiles-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/manyfiles-zip.zip cat 5 > ${builddir}/$@
-
-manyfiles-more.zip: manyfiles-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/manyfiles-zip.zip cat 6 > ${builddir}/$@
-
-manyfiles-zip64-modulo.zip: manyfiles-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/manyfiles-zip.zip cat 3 > ${builddir}/$@
-
-manyfiles-zip64.zip: manyfiles-zip.zip
- ${top_builddir}/src/ziptool ${srcdir}/manyfiles-zip.zip cat 4 > ${builddir}/$@
-
-runtest: runtest.in
- sed -e 's!@[s]rcdir@!${srcdir}!g' -e 's!@[a]bs_srcdir@!${abs_srcdir}!g' -e 's!@[t]op_builddir@!${top_builddir}!g' ${srcdir}/runtest.in > runtest
- chmod +x runtest
-
-cleanup:
- rm -rf ${builddir}/sandbox-*.d[0-9]*/
-
-CLEANFILES=${CREATED_FILES}
# pipein COMMAND ARGS ...
# pipe output of running COMMAND to program's stdin.
#
+# precheck COMMAND ARGS ...
+# if COMMAND exits with non-zero status, skip test.
+#
# preload LIBRARY
# pre-load LIBRARY before running program.
#
mkdir => { type => 'string string' },
pipefile => { type => 'string', once => 1 },
pipein => { type => 'string', once => 1 },
+ precheck => { type => 'string...' },
preload => { type => 'string', once => 1 },
program => { type => 'string', once => 1 },
'return' => { type => 'int', once => 1, required => 1 },
$preload_env_var = 'DYLD_INSERT_LIBRARIES';
}
if (defined($self->{test}->{'preload'})) {
- $ENV{$preload_env_var} = cwd() . "/../.libs/$self->{test}->{'preload'}";
+ if (-f cwd() . "/../.libs/$self->{test}->{'preload'}") {
+ $ENV{$preload_env_var} = cwd() . "/../.libs/$self->{test}->{'preload'}";
+ } else {
+ $ENV{$preload_env_var} = cwd() . "/../lib$self->{test}->{'preload'}";
+ }
}
$self->run_program();
$self->die("error in test case definition") unless $self->parse_case($testcase_file);
$self->check_features_requirement() if ($self->{test}->{features});
+ $self->run_precheck() if ($self->{test}->{precheck});
$self->end_test('SKIP') if ($self->{test}->{preload} && $^O eq 'darwin');
}
}
+sub run_precheck {
+ my ($self) = @_;
+
+ for my $precheck (@{$self->{test}->{precheck}}) {
+ unless (system(@{$precheck}) == 0) {
+ $self->print_test_result('SKIP', "precheck failed");
+ $self->end_test('SKIP');
+ }
+ }
+
+ return 1;
+}
+
+
sub run_program {
my ($self) = @_;
goto &pipein_win32 if $^O eq 'MSWin32' && $self->{test}->{pipein};
--- /dev/null
+# test reading from a buffer fragment source
+return 0
+args -mF 1024 test.zip cat 1
+file test.zip cm-default.zip cm-default.zip
+stdout uncompressable
--- /dev/null
+# rename file inside zip archive
+return 0
+args -mF 100 rename.zip rename 1 notfile2
+file rename.zip testcomment.zip rename_ok.zip
--- /dev/null
+/*
+ can_clone_file.c -- does the current filesystem support cloning
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
+
+ This file is part of libzip, a library to manipulate ZIP archives.
+ The authors can be contacted at <libzip@nih.at>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ 3. The names of the authors may not be used to endorse or promote
+ products derived from this software without specific prior
+ written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+ OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+
+#ifdef HAVE_CLONEFILE
+#include <sys/attr.h>
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <unistd.h>
+#endif
+
+int
+main(int argc, char *argv[])
+{
+#ifdef HAVE_CLONEFILE
+ struct statfs fs;
+ struct attrlist attribute_list;
+ struct {
+ uint32_t size;
+ vol_capabilities_attr_t capabilities;
+ } volume_attributes;
+
+ if (statfs(".", &fs) < 0) {
+ fprintf(stderr, "%s: can't get mount point of current directory: %s\n", argv[0], strerror(errno));
+ exit(1);
+ }
+
+ /* Not all volumes support clonefile(). A volume can be tested for
+ clonefile() support by using getattrlist(2) to get the volume
+ capabilities attribute ATTR_VOL_CAPABILITIES, and then testing the
+ VOL_CAP_INT_CLONE flag. */
+
+ memset(&attribute_list, 0, sizeof(attribute_list));
+ attribute_list.bitmapcount = ATTR_BIT_MAP_COUNT;
+ attribute_list.volattr = ATTR_VOL_INFO|ATTR_VOL_CAPABILITIES;
+ memset(&volume_attributes, 0, sizeof(volume_attributes));
+
+ if (getattrlist(fs.f_mntonname, &attribute_list, &volume_attributes, sizeof(volume_attributes), 0) < 0) {
+ fprintf(stderr, "%s: can't get volume capabilities of '%s': %s\n", argv[0], fs.f_mntonname, strerror(errno));
+ exit(1);
+ }
+
+ if (volume_attributes.capabilities.capabilities[VOL_CAPABILITIES_INTERFACES] & VOL_CAP_INT_CLONE) {
+ exit(0);
+ }
+#endif
+
+ exit(1);
+}
--- /dev/null
+# expect variable DIR
+FILE(GLOB CLEANDIRS "${DIR}/sandbox-*.d[0-9]*")
+IF (CLEANDIRS)
+ MESSAGE(STATUS "Removing ${CLEANDIRS}")
+ FILE(REMOVE_RECURSE ${CLEANDIRS})
+ENDIF()
+
--- /dev/null
+# test cloning archive from buffer, add new file
+return 0
+args -mF 100 test.zzip add new "A new file." set_file_mtime 3 1512998132
+file test.zzip gap.zip gap-add.zip
--- /dev/null
+# test cloning archive from buffer, deleteing a file
+return 0
+args -mF 100 test.zzip delete 2
+file test.zzip gap.zip gap-delete.zip
--- /dev/null
+# test cloning archive from buffer, replacing a file
+return 0
+args -mF 100 test.zzip replace_file_contents 2 "A changed file." set_file_mtime 2 1512998082
+file test.zzip gap.zip gap-replace.zip
--- /dev/null
+# test cloning archive from filesystem, add new file
+precheck ./can_clone_file
+return 0
+args test.zzip add new "A new file." set_file_mtime 3 1512998132
+file test.zzip gap.zip gap-add.zip
--- /dev/null
+# test cloning archive from filesystem, deleteing a file
+precheck ./can_clone_file
+return 0
+args test.zzip delete 2
+file test.zzip gap.zip gap-delete.zip
--- /dev/null
+# test cloning archive from filesystem, replacing a file
+precheck ./can_clone_file
+return 0
+args test.zzip replace_file_contents 2 "A changed file." set_file_mtime 2 1512998082
+file test.zzip gap.zip gap-replace.zip
/*
fseek.c -- test tool for seeking in zip archives
- Copyright (C) 2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
hole.c -- convert huge files with mostly NULs to/from source_hole
- Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
malloc.c -- override *alloc() to allow testing special cases
- Copyright (C) 2015 Dieter Baron and Thomas Klausner
+ Copyright (C) 2015-2016 Dieter Baron and Thomas Klausner
This file is part of ckmame, a program to check rom sets for MAME.
The authors can be contacted at <ckmame@nih.at>
/*
- nonrandomopen.c -- override open() of /dev/urandom
+ nonrandomopen.c -- override zip_random
+
Copyright (C) 2017 Dieter Baron and Thomas Klausner
This file is part of ckmame, a program to check rom sets for MAME.
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
-#define __USE_GNU
-#include <dlfcn.h>
-#undef __USE_GNU
-
-#include "config.h"
-
-#if !defined(RTLD_NEXT)
-#define RTLD_NEXT RTLD_DEFAULT
-#endif
-
-static int inited = 0;
-static int (*real_open)(const char *path, int flags, ...) = NULL;
-static int (*real_open64)(const char *path, int flags, ...) = NULL;
-
-static void
-init(void)
-{
- real_open = dlsym(RTLD_NEXT, "open");
- if (!real_open)
- abort();
- real_open64 = dlsym(RTLD_NEXT, "open64");
- if (!real_open64) {
- /* does not have to exist */
- }
- inited = 1;
-}
-
-int
-open(const char *path, int flags, ...)
-{
- va_list ap;
- mode_t mode;
-
- if (!inited) {
- init();
- }
-
- va_start(ap, flags);
- mode = va_arg(ap, mode_t);
- va_end(ap);
-
- if (strcmp(path, "/dev/urandom") == 0) {
- return real_open("/dev/zero", flags, mode);
- } else {
- return real_open(path, flags, mode);
- }
-}
+#include "compat.h"
+#include "zipint.h"
-int
-open64(const char *path, int flags, ...)
+bool
+zip_random(zip_uint8_t *buffer, zip_uint16_t length)
{
- va_list ap;
- mode_t mode;
-
- if (!inited) {
- init();
- }
-
- if (!real_open64) {
- abort();
- }
-
- va_start(ap, flags);
- mode = va_arg(ap, mode_t);
- va_end(ap);
+ memset(buffer, 0, length);
- if (strcmp(path, "/dev/urandom") == 0) {
- return real_open64("/dev/zero", flags, mode);
- } else {
- return real_open64(path, flags, mode);
- }
+ return true;
}
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-/* to get the same defines that other tools get, in particular
- * overrides for file offset sizes from config.h */
-#include "compat.h"
+#include "zipint.h"
-#include <errno.h>
-#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
int
main(int argc, const char *argv[])
{
- int fd, i;
- char buf[10];
+ char buf[1024];
+ int i;
- fd = open("/dev/urandom", O_RDONLY);
- if (fd < 0) {
- fprintf(stderr, "can't open /dev/urandom: %s\n", strerror(errno));
+ if (!zip_random(buf, sizeof(buf))) {
+ fprintf(stderr, "zip_random returned false\n");
exit(1);
}
- if (read(fd, buf, sizeof(buf)) < sizeof(buf)) {
- fprintf(stderr, "can't read %d bytes: %s\n", (int)sizeof(buf), strerror(errno));
- exit(1);
- }
- close(fd);
for (i=0; i<sizeof(buf); i++) {
if (buf[i] != 0) {
fprintf(stderr, "non-zero byte found\n");
# zip_open: file is not a zip archive
program tryopen
-file Makefile.am Makefile.am Makefile.am
-args Makefile.am
+file CMakeLists.txt CMakeLists.txt CMakeLists.txt
+args CMakeLists.txt
return 1
-stdout opening 'Makefile.am' returned error 19
+stdout opening 'CMakeLists.txt' returned error 19
stderr 1 errors
use NiHTest;
-my $test = NiHTest::new({ default_program => '../src/ziptool', srcdir => '@srcdir@', top_builddir => '@top_builddir@', zipcmp => '../../src/zipcmp', zipcmp_flags => '-p' });
+my $test = NiHTest::new({ default_program => 'ziptool_regress', srcdir => '@srcdir@', top_builddir => '@top_builddir@', zipcmp => '../../src/zipcmp', zipcmp_flags => '-p' });
sub mangle_test {
my ($test, $variant) = @_;
# change mtime in a zip archive
return 0
-args testfile set_mtime 0 1407272201
+args testfile set_file_mtime 0 1407272201
file testfile testfile.zip testfile2014.zip
/*
source_hole.c -- source for handling huge files that are mostly NULs
- Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
/*
tryopen.c -- tool for tests that try opening zip archives
- Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
--- /dev/null
+#include "zip.h"
+
+#define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b))
+
+#define FOR_REGRESS
+
+typedef enum {
+ SOURCE_TYPE_NONE,
+ SOURCE_TYPE_IN_MEMORY,
+ SOURCE_TYPE_HOLE
+} source_type_t;
+
+source_type_t source_type = SOURCE_TYPE_NONE;
+zip_uint64_t fragment_size = 0;
+
+static int add_nul(int argc, char *argv[]);
+static int unchange_all(int argc, char *argv[]);
+static int zin_close(int argc, char *argv[]);
+
+#define OPTIONS_REGRESS "F:Hm"
+
+#define USAGE_REGRESS " [-Hm] [-F fragment-size]"
+
+#define GETOPT_REGRESS \
+ case 'H': \
+ source_type = SOURCE_TYPE_HOLE; \
+ break; \
+ case 'm': \
+ source_type = SOURCE_TYPE_IN_MEMORY; \
+ break; \
+ case 'F': \
+ fragment_size = strtoull(optarg, NULL, 10); \
+ break;
+
+#define DISPATCH_REGRESS \
+ { "add_nul", 2, "name length", "add NUL bytes", add_nul }, \
+ { "unchange_all", 0, "", "revert all changes", unchange_all }, \
+ { "zin_close", 1, "index", "close input zip_source (for internal tests)", zin_close }
+
+
+zip_t *ziptool_open(const char *archive, int flags, zip_error_t *error, zip_uint64_t offset, zip_uint64_t len);
+
+
+#include "ziptool.c"
+
+
+zip_source_t *memory_src = NULL;
+
+zip_source_t *source_hole_create(const char *, int flags, zip_error_t *);
+
+static zip_t *read_to_memory(const char *archive, int flags, zip_error_t *error, zip_source_t **srcp);
+static zip_source_t *source_nul(zip_t *za, zip_uint64_t length);
+
+
+static int
+add_nul(int argc, char *argv[]) {
+ zip_source_t *zs;
+ zip_uint64_t length = strtoull(argv[1], NULL, 10);
+
+ if ((zs=source_nul(za, length)) == NULL) {
+ fprintf(stderr, "can't create zip_source for length: %s\n", zip_strerror(za));
+ return -1;
+ }
+
+ if (zip_add(za, argv[0], zs) == -1) {
+ zip_source_free(zs);
+ fprintf(stderr, "can't add file '%s': %s\n", argv[0], zip_strerror(za));
+ return -1;
+ }
+ return 0;
+}
+
+static int
+unchange_all(int argc, char *argv[]) {
+ if (zip_unchange_all(za) < 0) {
+ fprintf(stderr, "can't revert changes to archive: %s\n", zip_strerror(za));
+ return -1;
+ }
+ return 0;
+}
+
+static int
+zin_close(int argc, char *argv[]) {
+ zip_uint64_t idx;
+
+ idx = strtoull(argv[0], NULL, 10);
+ if (idx >= z_in_count) {
+ fprintf(stderr, "invalid argument '%" PRIu64 "', only %d zip sources open\n", idx, z_in_count);
+ return -1;
+ }
+ if (zip_close(z_in[idx]) < 0) {
+ fprintf(stderr, "can't close source archive: %s\n", zip_strerror(z_in[idx]));
+ return -1;
+ }
+ z_in[idx] = z_in[z_in_count];
+ z_in_count--;
+
+ return 0;
+}
+
+
+static zip_t *
+read_hole(const char *archive, int flags, zip_error_t *error)
+{
+ zip_source_t *src = NULL;
+ zip_t *zs = NULL;
+
+ if (strcmp(archive, "/dev/stdin") == 0) {
+ zip_error_set(error, ZIP_ER_OPNOTSUPP, 0);
+ return NULL;
+ }
+
+ if ((src = source_hole_create(archive, flags, error)) == NULL
+ || (zs = zip_open_from_source(src, flags, error)) == NULL) {
+ zip_source_free(src);
+ }
+
+ return zs;
+}
+
+
+static zip_t *
+read_to_memory(const char *archive, int flags, zip_error_t *error, zip_source_t **srcp)
+{
+ zip_source_t *src;
+ zip_t *zb;
+ FILE *fp;
+
+ if (strcmp(archive, "/dev/stdin") == 0) {
+ zip_error_set(error, ZIP_ER_OPNOTSUPP, 0);
+ return NULL;
+ }
+
+ if ((fp=fopen(archive, "r")) == NULL) {
+ if (errno == ENOENT) {
+ src = zip_source_buffer_create(NULL, 0, 0, error);
+ }
+ else {
+ zip_error_set(error, ZIP_ER_OPEN, errno);
+ return NULL;
+ }
+ }
+ else {
+ struct stat st;
+
+ if (fstat(fileno(fp), &st) < 0) {
+ fclose(fp);
+ zip_error_set(error, ZIP_ER_OPEN, errno);
+ return NULL;
+ }
+ if (fragment_size == 0) {
+ char *buf;
+ if ((buf=malloc((size_t)st.st_size)) == NULL) {
+ fclose(fp);
+ zip_error_set(error, ZIP_ER_MEMORY, 0);
+ return NULL;
+ }
+ if (fread(buf, (size_t)st.st_size, 1, fp) < 1) {
+ free(buf);
+ fclose(fp);
+ zip_error_set(error, ZIP_ER_READ, errno);
+ return NULL;
+ }
+ src = zip_source_buffer_create(buf, (zip_uint64_t)st.st_size, 1, error);
+ if (src == NULL) {
+ free(buf);
+ }
+ }
+ else {
+ zip_uint64_t nfragments, i, left;
+ zip_buffer_fragment_t *fragments;
+
+ nfragments = ((size_t)st.st_size + fragment_size - 1) / fragment_size;
+ if ((fragments = malloc(sizeof(fragments[0]) * nfragments)) == NULL) {
+ fclose(fp);
+ zip_error_set(error, ZIP_ER_MEMORY, 0);
+ return NULL;
+ }
+ for (i = 0; i < nfragments; i++) {
+ left = ZIP_MIN(fragment_size, (size_t)st.st_size - i * fragment_size);
+ if ((fragments[i].data = malloc(left)) == NULL) {
+ while (--i > 0) {
+ free(fragments[i].data);
+ }
+ free(fragments);
+ fclose(fp);
+ zip_error_set(error, ZIP_ER_MEMORY, 0);
+ return NULL;
+ }
+ fragments[i].length = left;
+ if (fread(fragments[i].data, left, 1, fp) < 1) {
+ while (--i > 0) {
+ free(fragments[i].data);
+ }
+ free(fragments);
+ fclose(fp);
+ zip_error_set(error, ZIP_ER_READ, errno);
+ return NULL;
+ }
+ }
+ src = zip_source_buffer_fragment_create(fragments, nfragments, 1, error);
+ if (src == NULL) {
+ for (i = 0; i < nfragments; i++) {
+ free(fragments[i].data);
+ }
+ free(fragments);
+ fclose(fp);
+ return NULL;
+ }
+ }
+ fclose(fp);
+ }
+ if (src == NULL) {
+ return NULL;
+ }
+ zb = zip_open_from_source(src, flags, error);
+ if (zb == NULL) {
+ zip_source_free(src);
+ return NULL;
+ }
+ zip_source_keep(src);
+ *srcp = src;
+ return zb;
+}
+
+
+typedef struct source_nul {
+ zip_error_t error;
+ zip_uint64_t length;
+ zip_uint64_t offset;
+} source_nul_t;
+
+static zip_int64_t
+source_nul_cb(void *ud, void *data, zip_uint64_t length, zip_source_cmd_t command)
+{
+ source_nul_t *ctx = (source_nul_t *)ud;
+
+ switch (command) {
+ case ZIP_SOURCE_CLOSE:
+ return 0;
+
+ case ZIP_SOURCE_ERROR:
+ return zip_error_to_data(&ctx->error, data, length);
+
+ case ZIP_SOURCE_FREE:
+ free(ctx);
+ return 0;
+
+ case ZIP_SOURCE_OPEN:
+ ctx->offset = 0;
+ return 0;
+
+ case ZIP_SOURCE_READ:
+ if (length > ZIP_INT64_MAX) {
+ zip_error_set(&ctx->error, ZIP_ER_INVAL, 0);
+ return -1;
+ }
+
+ if (length > ctx->length - ctx->offset) {
+ length =ctx->length - ctx->offset;
+ }
+
+ memset(data, 0, length);
+ ctx->offset += length;
+ return (zip_int64_t)length;
+
+ case ZIP_SOURCE_STAT: {
+ zip_stat_t *st = ZIP_SOURCE_GET_ARGS(zip_stat_t, data, length, &ctx->error);
+
+ if (st == NULL) {
+ return -1;
+ }
+
+ st->valid |= ZIP_STAT_SIZE;
+ st->size = ctx->length;
+
+ return 0;
+ }
+
+ case ZIP_SOURCE_SUPPORTS:
+ return zip_source_make_command_bitmap(ZIP_SOURCE_CLOSE, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_STAT, -1);
+
+ default:
+ zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0);
+ return -1;
+ }
+}
+
+static zip_source_t *
+source_nul(zip_t *zs, zip_uint64_t length)
+{
+ source_nul_t *ctx;
+ zip_source_t *src;
+
+ if ((ctx = (source_nul_t *)malloc(sizeof(*ctx))) == NULL) {
+ zip_error_set(zip_get_error(zs), ZIP_ER_MEMORY, 0);
+ return NULL;
+ }
+
+ zip_error_init(&ctx->error);
+ ctx->length = length;
+ ctx->offset = 0;
+
+ if ((src = zip_source_function(zs, source_nul_cb, ctx)) == NULL) {
+ free(ctx);
+ return NULL;
+ }
+
+ return src;
+}
+
+
+static int
+write_memory_src_to_file(const char *archive, zip_source_t *src)
+{
+ zip_stat_t zst;
+ char *buf;
+ FILE *fp;
+
+ if (zip_source_stat(src, &zst) < 0) {
+ fprintf(stderr, "zip_source_stat on buffer failed: %s\n", zip_error_strerror(zip_source_error(src)));
+ return -1;
+ }
+ if (zip_source_open(src) < 0) {
+ if (zip_error_code_zip(zip_source_error(src)) == ZIP_ER_DELETED) {
+ if (unlink(archive) < 0 && errno != ENOENT) {
+ fprintf(stderr, "unlink failed: %s\n", strerror(errno));
+ return -1;
+ }
+ return 0;
+ }
+ fprintf(stderr, "zip_source_open on buffer failed: %s\n", zip_error_strerror(zip_source_error(src)));
+ return -1;
+ }
+ if ((buf=malloc(zst.size)) == NULL) {
+ fprintf(stderr, "malloc failed: %s\n", strerror(errno));
+ zip_source_close(src);
+ return -1;
+ }
+ if (zip_source_read(src, buf, zst.size) < (zip_int64_t)zst.size) {
+ fprintf(stderr, "zip_source_read on buffer failed: %s\n", zip_error_strerror(zip_source_error(src)));
+ zip_source_close(src);
+ free(buf);
+ return -1;
+ }
+ zip_source_close(src);
+ if ((fp=fopen(archive, "wb")) == NULL) {
+ fprintf(stderr, "fopen failed: %s\n", strerror(errno));
+ free(buf);
+ return -1;
+ }
+ if (fwrite(buf, zst.size, 1, fp) < 1) {
+ fprintf(stderr, "fwrite failed: %s\n", strerror(errno));
+ free(buf);
+ fclose(fp);
+ return -1;
+ }
+ free(buf);
+ if (fclose(fp) != 0) {
+ fprintf(stderr, "fclose failed: %s\n", strerror(errno));
+ return -1;
+ }
+ return 0;
+}
+
+
+zip_t *
+ziptool_open(const char *archive, int flags, zip_error_t *error, zip_uint64_t offset, zip_uint64_t len) {
+ switch (source_type) {
+ case SOURCE_TYPE_NONE:
+ za = read_from_file(archive, flags, error, offset, len);
+ break;
+
+ case SOURCE_TYPE_IN_MEMORY:
+ za = read_to_memory(archive, flags, error, &memory_src);
+ break;
+
+ case SOURCE_TYPE_HOLE:
+ za = read_hole(archive, flags, error);
+ break;
+ }
+
+ return za;
+}
+
+
+int
+ziptool_post_close(const char *archive) {
+ if (source_type == SOURCE_TYPE_IN_MEMORY) {
+ if (write_memory_src_to_file(archive, memory_src) < 0) {
+ return -1;
+ }
+ zip_source_free(memory_src);
+ }
+
+ return 0;
+}
+
TARGET_LINK_LIBRARIES(zipmerge zip)
INSTALL(TARGETS zipmerge RUNTIME DESTINATION bin)
-ADD_EXECUTABLE(ziptool ziptool.c ${SRC_EXTRA_FILES} source_hole.c)
+ADD_EXECUTABLE(ziptool ziptool.c ${SRC_EXTRA_FILES})
TARGET_LINK_LIBRARIES(ziptool zip)
INSTALL(TARGETS ziptool RUNTIME DESTINATION bin)
-
-ADD_EXECUTABLE(hole hole.c ${SRC_EXTRA_FILES} source_hole.c)
-TARGET_LINK_LIBRARIES(hole zip)
-# do not install hole, just a test helper
+++ /dev/null
-bin_PROGRAMS=zipcmp zipmerge ziptool
-noinst_PROGRAMS=hole
-
-hole_SOURCES= hole.c source_hole.c
-ziptool_SOURCES= source_hole.c ziptool.c
-
-AM_CPPFLAGS=-I${top_srcdir}/lib -I../lib
-LDADD=${top_builddir}/lib/libzip.la
-
-EXTRA_DIST= CMakeLists.txt getopt.c getopt.h
/*
zipcmp.c -- compare zip files
- Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Report bugs to <libzip@nih.at>.\n";
char version_string[] = PROGRAM " (" PACKAGE " " VERSION ")\n\
-Copyright (C) 2003-2016 Dieter Baron and Thomas Klausner\n\
+Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner\n\
" PACKAGE " comes with ABSOLUTELY NO WARRANTY, to the extent permitted by law.\n";
#define OPTIONS "hVipqtv"
/*
zipmerge.c -- merge zip archives
- Copyright (C) 2004-2014 Dieter Baron and Thomas Klausner
+ Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Report bugs to <libzip@nih.at>.\n";
char version_string[] = PROGRAM " (" PACKAGE " " VERSION ")\n\
-Copyright (C) 2004-2014 Dieter Baron and Thomas Klausner\n\
+Copyright (C) 2004-2017 Dieter Baron and Thomas Klausner\n\
" PACKAGE " comes with ABSOLUTELY NO WARRANTY, to the extent permitted by law.\n";
#define OPTIONS "hVDiIsS"
/*
ziptool.c -- tool for modifying zip archive in multiple ways
- Copyright (C) 2012-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
#include "compat.h"
#include "zip.h"
-zip_source_t *source_hole_create(const char *, int flags, zip_error_t *);
-
-typedef enum {
- SOURCE_TYPE_NONE,
- SOURCE_TYPE_IN_MEMORY,
- SOURCE_TYPE_HOLE
-} source_type_t;
-
typedef struct dispatch_table_s {
const char *cmdline_name;
int argument_count;
static zip_int32_t get_compression_method(const char *arg);
static zip_uint16_t get_encryption_method(const char *arg);
static void hexdump(const zip_uint8_t *data, zip_uint16_t len);
-static zip_t *read_to_memory(const char *archive, int flags, zip_error_t *error, zip_source_t **srcp);
-static zip_source_t *source_nul(zip_t *za, zip_uint64_t length);
+int ziptool_post_close(const char *archive);
+
+#ifndef FOR_REGRESS
+#define OPTIONS_REGRESS ""
+#define USAGE_REGRESS ""
+#endif
zip_t *za, *z_in[16];
unsigned int z_in_count;
}
static int
-add_nul(int argc, char *argv[]) {
- zip_source_t *zs;
- zip_uint64_t length = strtoull(argv[1], NULL, 10);
-
- if ((zs=source_nul(za, length)) == NULL) {
- fprintf(stderr, "can't create zip_source for length: %s\n", zip_strerror(za));
- return -1;
- }
-
- if (zip_add(za, argv[0], zs) == -1) {
- zip_source_free(zs);
- fprintf(stderr, "can't add file '%s': %s\n", argv[0], zip_strerror(za));
- return -1;
- }
- return 0;
-}
-
-static int
cat(int argc, char *argv[]) {
/* output file contents to stdout */
zip_uint64_t idx;
}
static void
-progress_callback(zip_t *za, double percentage, void *ud) {
+progress_callback(zip_t *archive, double percentage, void *ud) {
printf("%.1lf%% done\n", percentage*100);
}
static int
set_file_encryption(int argc, char *argv[]) {
- zip_int32_t method;
+ zip_uint16_t method;
zip_uint64_t idx;
char *password;
idx = strtoull(argv[0], NULL, 10);
return 0;
}
-static int
-unchange_all(int argc, char *argv[]) {
- if (zip_unchange_all(za) < 0) {
- fprintf(stderr, "can't revert changes to archive: %s\n", zip_strerror(za));
- return -1;
- }
- return 0;
-}
-
-static int
-zin_close(int argc, char *argv[]) {
- zip_uint64_t idx;
-
- idx = strtoull(argv[0], NULL, 10);
- if (idx >= z_in_count) {
- fprintf(stderr, "invalid argument '%" PRIu64 "', only %d zip sources open\n", idx, z_in_count);
- return -1;
- }
- if (zip_close(z_in[idx]) < 0) {
- fprintf(stderr, "can't close source archive: %s\n", zip_strerror(z_in[idx]));
- return -1;
- }
- z_in[idx] = z_in[z_in_count];
- z_in_count--;
-
- return 0;
-}
-
static zip_flags_t
get_flags(const char *arg)
{
return zaa;
}
-
-static zip_t *
-read_hole(const char *archive, int flags, zip_error_t *error)
-{
- zip_source_t *src = NULL;
- zip_t *zs = NULL;
-
- if (strcmp(archive, "/dev/stdin") == 0) {
- zip_error_set(error, ZIP_ER_OPNOTSUPP, 0);
- return NULL;
- }
-
- if ((src = source_hole_create(archive, flags, error)) == NULL
- || (zs = zip_open_from_source(src, flags, error)) == NULL) {
- zip_source_free(src);
- }
-
- return zs;
-}
-
-
-static zip_t *
-read_to_memory(const char *archive, int flags, zip_error_t *error, zip_source_t **srcp)
-{
- struct stat st;
- zip_source_t *src;
- zip_t *zb;
-
- if (strcmp(archive, "/dev/stdin") == 0) {
- zip_error_set(error, ZIP_ER_OPNOTSUPP, 0);
- return NULL;
- }
-
- if (stat(archive, &st) < 0) {
- if (errno == ENOENT) {
- src = zip_source_buffer_create(NULL, 0, 0, error);
- }
- else {
- zip_error_set(error, ZIP_ER_OPEN, errno);
- return NULL;
- }
- }
- else {
- char *buf;
- FILE *fp;
- if ((buf=malloc((size_t)st.st_size)) == NULL) {
- zip_error_set(error, ZIP_ER_MEMORY, 0);
- return NULL;
- }
- if ((fp=fopen(archive, "r")) == NULL) {
- free(buf);
- zip_error_set(error, ZIP_ER_READ, errno);
- return NULL;
- }
- if (fread(buf, (size_t)st.st_size, 1, fp) < 1) {
- free(buf);
- fclose(fp);
- zip_error_set(error, ZIP_ER_READ, errno);
- return NULL;
- }
- fclose(fp);
- src = zip_source_buffer_create(buf, (zip_uint64_t)st.st_size, 1, error);
- if (src == NULL) {
- free(buf);
- }
- }
- if (src == NULL) {
- return NULL;
- }
- zb = zip_open_from_source(src, flags, error);
- if (zb == NULL) {
- zip_source_free(src);
- return NULL;
- }
- zip_source_keep(src);
- *srcp = src;
- return zb;
-}
-
-
-typedef struct source_nul {
- zip_error_t error;
- zip_uint64_t length;
- zip_uint64_t offset;
-} source_nul_t;
-
-static zip_int64_t
-source_nul_cb(void *ud, void *data, zip_uint64_t length, zip_source_cmd_t command)
-{
- source_nul_t *ctx = (source_nul_t *)ud;
-
- switch (command) {
- case ZIP_SOURCE_CLOSE:
- return 0;
-
- case ZIP_SOURCE_ERROR:
- return zip_error_to_data(&ctx->error, data, length);
-
- case ZIP_SOURCE_FREE:
- free(ctx);
- return 0;
-
- case ZIP_SOURCE_OPEN:
- ctx->offset = 0;
- return 0;
-
- case ZIP_SOURCE_READ:
- if (length > ZIP_INT64_MAX) {
- zip_error_set(&ctx->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (length > ctx->length - ctx->offset) {
- length =ctx->length - ctx->offset;
- }
-
- memset(data, 0, length);
- ctx->offset += length;
- return (zip_int64_t)length;
-
- case ZIP_SOURCE_STAT: {
- zip_stat_t *st = ZIP_SOURCE_GET_ARGS(zip_stat_t, data, length, &ctx->error);
-
- if (st == NULL) {
- return -1;
- }
-
- st->valid |= ZIP_STAT_SIZE;
- st->size = ctx->length;
-
- return 0;
- }
-
- case ZIP_SOURCE_SUPPORTS:
- return zip_source_make_command_bitmap(ZIP_SOURCE_CLOSE, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_STAT, -1);
-
- default:
- zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0);
- return -1;
- }
-}
-
-static zip_source_t *
-source_nul(zip_t *zs, zip_uint64_t length)
-{
- source_nul_t *ctx;
- zip_source_t *src;
-
- if ((ctx = (source_nul_t *)malloc(sizeof(*ctx))) == NULL) {
- zip_error_set(zip_get_error(zs), ZIP_ER_MEMORY, 0);
- return NULL;
- }
-
- zip_error_init(&ctx->error);
- ctx->length = length;
- ctx->offset = 0;
-
- if ((src = zip_source_function(zs, source_nul_cb, ctx)) == NULL) {
- free(ctx);
- return NULL;
- }
-
- return src;
-}
-
-
-static int
-write_memory_src_to_file(const char *archive, zip_source_t *src)
-{
- zip_stat_t zst;
- char *buf;
- FILE *fp;
-
- if (zip_source_stat(src, &zst) < 0) {
- fprintf(stderr, "zip_source_stat on buffer failed: %s\n", zip_error_strerror(zip_source_error(src)));
- return -1;
- }
- if (zip_source_open(src) < 0) {
- if (zip_error_code_zip(zip_source_error(src)) == ZIP_ER_DELETED) {
- if (unlink(archive) < 0 && errno != ENOENT) {
- fprintf(stderr, "unlink failed: %s\n", strerror(errno));
- return -1;
- }
- return 0;
- }
- fprintf(stderr, "zip_source_open on buffer failed: %s\n", zip_error_strerror(zip_source_error(src)));
- return -1;
- }
- if ((buf=malloc(zst.size)) == NULL) {
- fprintf(stderr, "malloc failed: %s\n", strerror(errno));
- zip_source_close(src);
- return -1;
- }
- if (zip_source_read(src, buf, zst.size) < (zip_int64_t)zst.size) {
- fprintf(stderr, "zip_source_read on buffer failed: %s\n", zip_error_strerror(zip_source_error(src)));
- zip_source_close(src);
- free(buf);
- return -1;
- }
- zip_source_close(src);
- if ((fp=fopen(archive, "wb")) == NULL) {
- fprintf(stderr, "fopen failed: %s\n", strerror(errno));
- free(buf);
- return -1;
- }
- if (fwrite(buf, zst.size, 1, fp) < 1) {
- fprintf(stderr, "fwrite failed: %s\n", strerror(errno));
- free(buf);
- fclose(fp);
- return -1;
- }
- free(buf);
- if (fclose(fp) != 0) {
- fprintf(stderr, "fclose failed: %s\n", strerror(errno));
- return -1;
- }
- return 0;
-}
-
dispatch_table_t dispatch_table[] = {
{ "add", 2, "name content", "add file called name using content", add },
{ "add_dir", 1, "name", "add directory", add_dir },
{ "add_file", 4, "name file_to_add offset len", "add file to archive, len bytes starting from offset", add_file },
{ "add_from_zip", 5, "name archivename index offset len", "add file from another archive, len bytes starting from offset", add_from_zip },
- { "add_nul", 2, "name length", "add NUL bytes", add_nul },
{ "cat", 1, "index", "output file contents to stdout", cat },
{ "count_extra", 2, "index flags", "show number of extra fields for archive entry", count_extra },
{ "count_extra_by_id", 3, "index extra_id flags", "show number of extra fields of type extra_id for archive entry", count_extra_by_id },
{ "set_file_mtime", 2, "index timestamp", "set file modification time", set_file_mtime },
{ "set_file_mtime_all", 1, "timestamp", "set file modification time for all files", set_file_mtime_all },
{ "set_password", 1, "password", "set default password for encryption", set_password },
- { "stat", 1, "index", "print information about entry", zstat },
- { "unchange_all", 0, "", "revert all changes", unchange_all },
- { "zin_close", 1, "index", "close input zip_source (for internal tests)", zin_close }
+ { "stat", 1, "index", "print information about entry", zstat }
+#ifdef DISPATCH_REGRESS
+ , DISPATCH_REGRESS
+#endif
};
static int
out = stdout;
else
out = stderr;
- fprintf(out, "usage: %s [-cegHhmnrst] [-l len] [-o offset] archive command1 [args] [command2 [args] ...]\n", progname);
+ fprintf(out, "usage: %s [-ceghnrst]" USAGE_REGRESS " [-l len] [-o offset] archive command1 [args] [command2 [args] ...]\n", progname);
if (reason != NULL) {
fprintf(out, "%s\n", reason);
exit(1);
fprintf(out, "\nSupported options are:\n"
"\t-c\t\tcheck consistency\n"
"\t-e\t\terror if archive already exists (only useful with -n)\n"
+#ifdef FOR_REGRESS
+ "\t-F size\t\tfragment size for in memory archive\n"
+#endif
"\t-g\t\tguess file name encoding (for stat)\n"
+#ifdef FOR_REGRESS
"\t-H\t\twrite files with holes compactly\n"
+#endif
"\t-h\t\tdisplay this usage\n"
"\t-l len\t\tonly use len bytes of file\n"
+#ifdef FOR_REGRESS
"\t-m\t\tread archive into memory, and modify there; write out at end\n"
+#endif
"\t-n\t\tcreate archive if it doesn't exist\n"
"\t-o offset\tstart reading file at offset\n"
"\t-r\t\tprint raw file name encoding without translation (for stat)\n"
exit(0);
}
+#ifndef FOR_REGRESS
+#define ziptool_open read_from_file
+int
+ziptool_post_close(const char *archive) {
+ return 0;
+}
+#endif
+
int
main(int argc, char *argv[])
{
const char *archive;
- zip_source_t *memory_src = NULL;
unsigned int i;
int c, arg, err, flags;
const char *prg;
- source_type_t source_type = SOURCE_TYPE_NONE;
zip_uint64_t len = 0, offset = 0;
zip_error_t error;
flags = 0;
prg = argv[0];
- while ((c=getopt(argc, argv, "cegHhl:mno:rst")) != -1) {
+ while ((c=getopt(argc, argv, "ceghl:no:rst" OPTIONS_REGRESS)) != -1) {
switch (c) {
case 'c':
flags |= ZIP_CHECKCONS;
case 'g':
stat_flags = ZIP_FL_ENC_GUESS;
break;
- case 'H':
- source_type = SOURCE_TYPE_HOLE;
- break;
case 'h':
usage(prg, NULL);
break;
case 'l':
len = strtoull(optarg, NULL, 10);
break;
- case 'm':
- source_type = SOURCE_TYPE_IN_MEMORY;
- break;
case 'n':
flags |= ZIP_CREATE;
break;
case 't':
flags |= ZIP_TRUNCATE;
break;
+#ifdef GETOPT_REGRESS
+ GETOPT_REGRESS
+#endif
default:
{
flags = ZIP_CREATE;
zip_error_init(&error);
- switch (source_type) {
- case SOURCE_TYPE_NONE:
- za = read_from_file(archive, flags, &error, offset, len);
- break;
-
- case SOURCE_TYPE_IN_MEMORY:
- za = read_to_memory(archive, flags, &error, &memory_src);
- break;
-
- case SOURCE_TYPE_HOLE:
- za = read_hole(archive, flags, &error);
- break;
- }
+ za = ziptool_open(archive, flags, &error, offset, len);
if (za == NULL) {
fprintf(stderr, "can't open zip archive '%s': %s\n", archive, zip_error_strerror(&error));
zip_error_fini(&error);
fprintf(stderr, "can't close zip archive '%s': %s\n", archive, zip_strerror(za));
return 1;
}
- if (source_type == SOURCE_TYPE_IN_MEMORY) {
- if (write_memory_src_to_file(archive, memory_src) < 0) {
- err = 1;
- }
- zip_source_free(memory_src);
+ if (ziptool_post_close(archive) < 0) {
+ err = 1;
}
for (i=0; i<z_in_count; i++) {
+++ /dev/null
-Building libzip with Microsoft Visual C++
-=========================================
-The script vsbuild.cmd can be used to build (and optionally test) libzip using
-Microsoft Visual C++.
-
-Prerequisites
--------------
-Windows Server 2003 or Windows Vista or later (tested with Windows 7 x64)
-Microsoft Visual Studio (tested with VS2013 Premium)
-CMake (tested with version 3.3.1)
-Source code for zlib (tested with version 1.2.8)
-
-To run tests, you will also need:
-Perl interpreter (tested with ActiveState ActivePerl 5.20.2 64-bit)
-CPAN module IPC::Cmd (comes with ActivePerl)
-
-You'll also need to make sure all of the above (specifically: msbuild.exe,
-cmake.exe and perl.exe) are in your PATH at the time of running the script.
-
-Unpacking zlib
---------------
-Because libzip depends on zlib, the vsbuild.cmd script takes care of building
-zlib for you as well. Download the source code from http://zlib.org/ and extract
-all the files and subdirectories from the "zlib-x.y.z" directory into
-vstudio/zlib.
-
-Building libzip with Visual Studio 2013 for the impatient
----------------------------------------------------------
-1. Make sure all the prerequisites (see above) are installed and in your PATH.
-2. Don't forget to unpack zlib (see "Unpacking zlib" above).
-3. Open a Visual Studio Command Prompt in the "vstudio" directory (the directory
- containing this file).
-4. Enter the following command for a 32-bit x86 build:
- vsbuild build "Visual Studio 12" v120
- or for a 64-bit x64 build:
- vsbuild build "Visual Studio 12 Win64" v120
-
-If you'd like to run the tests as well, use one of the following commands:
-vsbuild build+test "Visual Studio 12" v120
-vsbuild build+test "Visual Studio 12 Win64" v120
-
-Building libzip
----------------
-The script vsbuild.cmd has three modes of operation, with the following syntax:
-vsbuild clean
-vsbuild build <generator> <toolset>
-vsbuild build+test <generator> <toolset>
-
-"vsbuild clean" deletes all output and intermediate files and directories
-generated by the build process.
-
-"vsbuild build" just builds zlib and libzip and leaves the DLL files in the
-following locations:
-vstudio/zlib/installed/bin/zlib.dll
-vstudio/zlib/installed/bin/zlibd.dll
-build/lib/Debug/zip.dll
-build/lib/Release/zip.dll
-
-"vsbuild build+test" builds zlib and libzip as above, then runs the libzip
-regression test suite.
-
-The "build" and "build+test" commands require the following parameters:
-
-<generator>: The CMake generator to use for project files. This identifies the
-version of Visual Studio you're using, and also allows you to specify whether
-the 32-bit or 64-bit of the libraries should be built.
-I've tested "Visual Studio 12" (VS2013 x86) and "Visual Studio 12 Win64"
-(VS2013 x64) but other versions should work as well. Run "cmake --help" for a
-list of generators.
-
-<toolset>: Specifies the platform toolset to use. Normally, this will match the
-version of Visual Studio (e.g. "v120" for Visual Studio 2013 aka Visual Studio
-12). See the Visual Studio documentation for more information about platform
-toolsets.
-
-Andrew Molyneux
-andrew@molyneuxfamily.co.uk
\ No newline at end of file
+++ /dev/null
-@echo off
-setlocal enableextensions enabledelayedexpansion
-
-rem ---------------------------------------------------------------------------
-rem Check that required commands are in the PATH.
-rem ---------------------------------------------------------------------------
-set CHECK_CMD=cmake.exe
-set CHECK_DESC=CMake
-call :check_installed
-set CHECK_CMD=msbuild.exe
-set CHECK_DESC=MSBuild
-call :check_installed
-
-rem ---------------------------------------------------------------------------
-rem Parse command-line arguments.
-rem %1: Command ("build" or "clean")
-rem %2: Generator (e.g. "Visual Studio 12" for VS2013)
-rem %3: Platform toolset (e.g. "v120_xp" for VS2013 toolset for Windows XP)
-rem ---------------------------------------------------------------------------
-if "%1"=="clean" (
- echo Cleaning
- if exist zlib\installed rmdir /s /q zlib\installed
- if errorlevel 1 goto exit_failure
- if exist zlib\build rmdir /s /q zlib\build
- if errorlevel 1 goto exit_failure
- if exist ..\build rmdir /s /q ..\build
- if errorlevel 1 goto exit_failure
- if exist ..\regress\bigzero.zip del ..\regress\bigzero.zip
- if errorlevel 1 goto exit_failure
- if exist ..\regress\manyfiles.zip del ..\regress\manyfiles.zip
- if errorlevel 1 goto exit_failure
- if exist ..\regress\manyfiles-133000.zip del ..\regress\manyfiles-133000.zip
- if errorlevel 1 goto exit_failure
- if exist ..\regress\manyfiles-65536.zip del ..\regress\manyfiles-65536.zip
- if errorlevel 1 goto exit_failure
- if exist ..\regress\manyfiles-zip64-modulo.zip del ..\regress\manyfiles-zip64-modulo.zip
- if errorlevel 1 goto exit_failure
- if exist ..\regress\manyfiles-zip64.zip del ..\regress\manyfiles-zip64.zip
- if errorlevel 1 goto exit_failure
- if exist ..\regress\manyfiles-fewer.zip del ..\regress\manyfiles-fewer.zip
- if errorlevel 1 goto exit_failure
- if exist ..\regress\manyfiles-more.zip del ..\regress\manyfiles-more.zip
- if errorlevel 1 goto exit_failure
- echo Done
- exit /b 0
-) else if "%1"=="build" (
- set CMAKE_GENERATOR=%2
- set CMAKE_TOOLSET=%3
- set LIBZIP_RUN_TESTS=false
-) else if "%1"=="build+test" (
- set CMAKE_GENERATOR=%2
- set CMAKE_TOOLSET=%3
- set LIBZIP_RUN_TESTS=true
-) else (
- echo Invalid command "%1"
- exit /b 1
-)
-
-rem ---------------------------------------------------------------------------
-rem If we're running tests, we'll also need a Perl interpreter.
-rem ---------------------------------------------------------------------------
-if "%LIBZIP_RUN_TESTS%"=="true" (
- set CHECK_CMD=perl.exe
- set CHECK_DESC=a Perl interpreter (to run tests)
- call :check_installed
-)
-
-rem ---------------------------------------------------------------------------
-rem Configure and build zlib.
-rem ---------------------------------------------------------------------------
-pushd zlib
-for /f %%p in (".\installed") do set ZLIB_INSTALL_PATH=%%~fp
-echo zlib will be "installed" to %ZLIB_INSTALL_PATH%
-if not exist build (
- mkdir build
- if errorlevel 1 popd & goto exit_failure
-)
-cd build
-if errorlevel 1 popd & goto exit_failure
-echo Configuring zlib
-cmake .. -G %CMAKE_GENERATOR% -T %CMAKE_TOOLSET% -DCMAKE_INSTALL_PREFIX="%ZLIB_INSTALL_PATH%"
-if errorlevel 1 popd & goto exit_failure
-echo Building zlib
-msbuild /P:Configuration=Debug INSTALL.vcxproj
-if errorlevel 1 popd & goto exit_failure
-msbuild /P:Configuration=Release INSTALL.vcxproj
-if errorlevel 1 popd & goto exit_failure
-popd
-
-rem ---------------------------------------------------------------------------
-rem Prepare the build directory and run CMake to configure the project.
-rem ---------------------------------------------------------------------------
-pushd ..
-if not exist build (
- echo Creating build directory
- mkdir build
- if errorlevel 1 popd & goto exit_failure
-)
-cd build
-if errorlevel 1 popd & goto exit_failure
-cmake .. -G %CMAKE_GENERATOR% -T %CMAKE_TOOLSET% -DCMAKE_PREFIX_PATH="%ZLIB_INSTALL_PATH%"
-if errorlevel 1 popd & goto exit_failure
-goto :EOF
-
-rem ---------------------------------------------------------------------------
-rem Build libzip.
-rem ---------------------------------------------------------------------------
-msbuild /P:Configuration=Debug ALL_BUILD.vcxproj
-if errorlevel 1 popd & goto exit_failure
-msbuild /P:Configuration=Release ALL_BUILD.vcxproj
-if errorlevel 1 popd & goto exit_failure
-popd
-
-rem ---------------------------------------------------------------------------
-rem Copy DLLs so zipcmp/zipmerge can run.
-rem ---------------------------------------------------------------------------
-echo Copying DLLs
-copy zlib\installed\bin\zlibd.dll ..\build\src\Debug
-if errorlevel 1 goto exit_failure
-copy zlib\installed\bin\zlib.dll ..\build\src\Release
-if errorlevel 1 goto exit_failure
-copy ..\build\lib\Release\zip.dll ..\build\src\Release
-if errorlevel 1 goto exit_failure
-copy ..\build\lib\Debug\zip.dll ..\build\src\Debug
-if errorlevel 1 goto exit_failure
-
-rem ---------------------------------------------------------------------------
-rem Run the tests, if required.
-rem ---------------------------------------------------------------------------
-if "%LIBZIP_RUN_TESTS%"=="true" (
- echo Copying libraries for tests
- pushd ..\build\regress
- copy ..\..\vstudio\zlib\installed\bin\zlib.dll .
- if errorlevel 1 popd & goto exit_failure
- copy ..\lib\Release\zip.dll .
- if errorlevel 1 popd & goto exit_failure
- copy Release\*.exe .
- if errorlevel 1 popd & goto exit_failure
- copy ..\src\Release\*.exe .
- if errorlevel 1 popd & goto exit_failure
- echo Extracting test files
- if not exist ..\..\regress\bigzero.zip ziptool ..\..\regress\bigzero-zip.zip cat 0 > ..\..\regress\bigzero.zip
- if errorlevel 1 popd & goto exit_failure
- if not exist ..\..\regress\manyfiles.zip ziptool ..\..\regress\manyfiles-zip.zip cat 0 > ..\..\regress\manyfiles.zip
- if errorlevel 1 popd & goto exit_failure
- if not exist ..\..\regress\manyfiles-133000.zip ziptool ..\..\regress\manyfiles-zip.zip cat 1 > ..\..\regress\manyfiles-133000.zip
- if errorlevel 1 popd & goto exit_failure
- if not exist ..\..\regress\manyfiles-65536.zip ziptool ..\..\regress\manyfiles-zip.zip cat 2 > ..\..\regress\manyfiles-65536.zip
- if errorlevel 1 popd & goto exit_failure
- if not exist ..\..\regress\manyfiles-zip64-modulo.zip ziptool ..\..\regress\manyfiles-zip.zip cat 3 > ..\..\regress\manyfiles-zip64-modulo.zip
- if errorlevel 1 popd & goto exit_failure
- if not exist ..\..\regress\manyfiles-zip64.zip ziptool ..\..\regress\manyfiles-zip.zip cat 4 > ..\..\regress\manyfiles-zip64.zip
- if errorlevel 1 popd & goto exit_failure
- if not exist ..\..\regress\manyfiles-fewer.zip ziptool ..\..\regress\manyfiles-zip.zip cat 5 > ..\..\regress\manyfiles-fewer.zip
- if errorlevel 1 popd & goto exit_failure
- if not exist ..\..\regress\manyfiles-more.zip ziptool ..\..\regress\manyfiles-zip.zip cat 6 > ..\..\regress\manyfiles-more.zip
- if errorlevel 1 popd & goto exit_failure
- echo Generating runtest script
- for /f %%p in ("..\..\regress") do set ABS_SRCDIR=%%~fp
- set ABS_SRCDIR=!ABS_SRCDIR:\=\\!
- perl -p -e "s/@[s]rcdir@/..\\..\\regress/g;s/@[a]bs_srcdir@/!ABS_SRCDIR!/g;s|../../src/zipcmp|..\\..\\src\\Release\\zipcmp|g;" ..\..\regress\runtest.in > runtest
- if errorlevel 1 popd & goto exit_failure
- echo Running tests
- ctest
- popd
- if errorlevel 1 goto exit_failure
-)
-
-goto :EOF
-
-:check_installed
-where %CHECK_CMD% > nul 2>&1
-if "%errorlevel%"=="9009" (
- echo This build script requires where.exe. If running on Windows XP or
- echo earlier, this can be found in the Windows Resource Kit.
- exit /b 1
-)
-if errorlevel 1 (
- echo Please make sure that %CHECK_DESC% is installed and in your PATH.
- exit /b 1
-)
-goto :EOF
-
-:exit_failure
-echo Build failed.
-exit /b 1
+++ /dev/null
-Unpack zlib source archive into this directory.
\ No newline at end of file
+++ /dev/null
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
- <key>CFBundleDevelopmentRegion</key>
- <string>English</string>
- <key>CFBundleExecutable</key>
- <string>${EXECUTABLE_NAME}</string>
- <key>CFBundleIconFile</key>
- <string></string>
- <key>CFBundleIdentifier</key>
- <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
- <key>CFBundleInfoDictionaryVersion</key>
- <string>6.0</string>
- <key>CFBundleName</key>
- <string>${PRODUCT_NAME}</string>
- <key>CFBundlePackageType</key>
- <string>BNDL</string>
- <key>CFBundleShortVersionString</key>
- <string>PACKAGE_VERSION</string>
- <key>CFBundleSignature</key>
- <string>????</string>
- <key>CFBundleVersion</key>
- <string>1</string>
- <key>CFPlugInDynamicRegisterFunction</key>
- <string></string>
- <key>CFPlugInDynamicRegistration</key>
- <string>NO</string>
- <key>CFPlugInFactories</key>
- <dict>
- <key>00000000-0000-0000-0000-000000000000</key>
- <string>MyFactoryFunction</string>
- </dict>
- <key>CFPlugInTypes</key>
- <dict>
- <key>00000000-0000-0000-0000-000000000000</key>
- <array>
- <string>00000000-0000-0000-0000-000000000000</string>
- </array>
- </dict>
- <key>CFPlugInUnloadFunction</key>
- <string></string>
- <key>NSHumanReadableCopyright</key>
- <string>Copyright © 2014 Dieter Baron and Thomas Klausner</string>
-</dict>
-</plist>
+++ /dev/null
-/* config.h. Generated from config.h.in by configure. */
-/* config.h.in. Generated from configure.ac by autoheader. */
-
-/* Define to 1 if you have the declaration of `tzname', and to 0 if you don't.
- */
-/* #undef HAVE_DECL_TZNAME */
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-#define HAVE_DLFCN_H 1
-
-/* Define to 1 if you have the `fseeko' function. */
-#define HAVE_FSEEKO 1
-
-/* Define to 1 if you have the `ftello' function. */
-#define HAVE_FTELLO 1
-
-/* Define to 1 if you have the <fts.h> header file. */
-#define HAVE_FTS_H 1
-
-/* Define to 1 if you have the `getopt' function. */
-#define HAVE_GETOPT 1
-
-/* Define to 1 if the system has the type `int16_t'. */
-#define HAVE_INT16_T 1
-
-/* Define to 1 if the system has the type `int32_t'. */
-#define HAVE_INT32_T 1
-
-/* Define to 1 if the system has the type `int64_t'. */
-#define HAVE_INT64_T 1
-
-/* Define to 1 if the system has the type `int8_t'. */
-#define HAVE_INT8_T 1
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#define HAVE_INTTYPES_H 1
-
-/* Define to 1 if you have the `z' library (-lz). */
-#define HAVE_LIBZ 1
-
-/* Define to 1 if you have the <memory.h> header file. */
-#define HAVE_MEMORY_H 1
-
-/* Define to 1 if you have the `mkstemp' function. */
-#define HAVE_MKSTEMP 1
-
-/* Define to 1 if you have the `open' function. */
-#define HAVE_OPEN 1
-
-/* Define to 1 if you have the `snprintf' function. */
-#define HAVE_SNPRINTF 1
-
-/* Define to 1 if the system has the type `ssize_t'. */
-#define HAVE_SSIZE_T 1
-
-/* Define to 1 if you have the <stdbool.h> header file. */
-#define HAVE_STDBOOL_H 1
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#define HAVE_STDINT_H 1
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#define HAVE_STDLIB_H 1
-
-/* Define to 1 if you have the `strcasecmp' function. */
-#define HAVE_STRCASECMP 1
-
-/* Define to 1 if you have the `strdup' function. */
-#define HAVE_STRDUP 1
-
-/* Define to 1 if you have the <strings.h> header file. */
-#define HAVE_STRINGS_H 1
-
-/* Define to 1 if you have the <string.h> header file. */
-#define HAVE_STRING_H 1
-
-/* Define to 1 if `tm_zone' is a member of `struct tm'. */
-#define HAVE_STRUCT_TM_TM_ZONE 1
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#define HAVE_SYS_STAT_H 1
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#define HAVE_SYS_TYPES_H 1
-
-/* Define to 1 if your `struct tm' has `tm_zone'. Deprecated, use
- `HAVE_STRUCT_TM_TM_ZONE' instead. */
-#define HAVE_TM_ZONE 1
-
-/* Define to 1 if you don't have `tm_zone' but do have the external array
- `tzname'. */
-/* #undef HAVE_TZNAME */
-
-/* Define to 1 if the system has the type `uint16_t'. */
-#define HAVE_UINT16_T 1
-
-/* Define to 1 if the system has the type `uint32_t'. */
-#define HAVE_UINT32_T 1
-
-/* Define to 1 if the system has the type `uint64_t'. */
-#define HAVE_UINT64_T 1
-
-/* Define to 1 if the system has the type `uint8_t'. */
-#define HAVE_UINT8_T 1
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#define HAVE_UNISTD_H 1
-
-/* Define to 1 or 0, depending whether the compiler supports simple visibility
- declarations. */
-#define HAVE_VISIBILITY 1
-
-/* Define to 1 if you have the `_close' function. */
-/* #undef HAVE__CLOSE */
-
-/* Define to 1 if you have the `_dup' function. */
-/* #undef HAVE__DUP */
-
-/* Define to 1 if you have the `_fdopen' function. */
-/* #undef HAVE__FDOPEN */
-
-/* Define to 1 if you have the `_fileno' function. */
-/* #undef HAVE__FILENO */
-
-/* Define to 1 if you have the `_open' function. */
-/* #undef HAVE__OPEN */
-
-/* Define to 1 if you have the `_snprintf' function. */
-/* #undef HAVE__SNPRINTF */
-
-/* Define to 1 if you have the `_strdup' function. */
-/* #undef HAVE__STRDUP */
-
-/* Define to 1 if you have the `_stricmp' function. */
-/* #undef HAVE__STRICMP */
-
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
- */
-#define LT_OBJDIR ".libs/"
-
-/* Name of package */
-#define PACKAGE "libzip"
-
-/* Define to the address where bug reports for this package should be sent. */
-#define PACKAGE_BUGREPORT "libzip@nih.at"
-
-/* Define to the full name of this package. */
-#define PACKAGE_NAME "libzip"
-
-/* Define to the full name and version of this package. */
-#define PACKAGE_STRING "libzip 1.0.1a"
-
-/* Define to the one symbol short name of this package. */
-#define PACKAGE_TARNAME "libzip"
-
-/* Define to the home page for this package. */
-#define PACKAGE_URL ""
-
-/* Define to the version of this package. */
-#define PACKAGE_VERSION "1.3.1a"
-
-/* The size of `int', as computed by sizeof. */
-#define SIZEOF_INT 4
-
-/* The size of `long', as computed by sizeof. */
-#ifndef __LP64__
-#define SIZEOF_LONG 4
-#else /* __LP64__ */
-#define SIZEOF_LONG 8
-#endif /* __LP64__ */
-
-/* The size of `long long', as computed by sizeof. */
-#define SIZEOF_LONG_LONG 8
-
-/* The size of `off_t', as computed by sizeof. */
-#define SIZEOF_OFF_T 8
-
-/* The size of `short', as computed by sizeof. */
-#define SIZEOF_SHORT 2
-
-/* The size of `size_t', as computed by sizeof. */
-#ifndef __LP64__
-#define SIZEOF_SIZE_T 4
-#else /* __LP64__ */
-#define SIZEOF_SIZE_T 8
-#endif /* __LP64__ */
-
-/* Define to 1 if you have the ANSI C header files. */
-#define STDC_HEADERS 1
-
-/* Define to 1 if your <sys/time.h> declares `struct tm'. */
-/* #undef TM_IN_SYS_TIME */
-
-/* Version number of package */
-#define VERSION "1.3.1a"
-
-/* Enable large inode numbers on Mac OS X 10.5. */
-#ifndef _DARWIN_USE_64_BIT_INODE
-# define _DARWIN_USE_64_BIT_INODE 1
-#endif
-
-/* Number of bits in a file offset, on hosts where this is settable. */
-/* #undef _FILE_OFFSET_BITS */
-
-/* Define for large files, on AIX-style hosts. */
-/* #undef _LARGE_FILES */
-
-
-#ifndef HAVE_SSIZE_T
-# if SIZEOF_SIZE_T == SIZEOF_INT
-typedef int ssize_t;
-# elif SIZEOF_SIZE_T == SIZEOF_LONG
-typedef long ssize_t;
-# elif SIZEOF_SIZE_T == SIZEOF_LONG_LONG
-typedef long long ssize_t;
-# else
-#error no suitable type for ssize_t found
-# endif
-#endif
-
+++ /dev/null
-#!/bin/sh
-
-# Replace the value for PLIST_KEY with the resolved definition from the header file that was passed in.
-
-SOURCE_HEADER_FILE_PATH=$1
-SOURCE_PLIST_PATH=$2
-
-PLIST_KEY="CFBundleShortVersionString"
-
-VERSION_KEY=`/usr/libexec/PlistBuddy -c "Print :${PLIST_KEY}" "${SOURCE_PLIST_PATH}"`
-
-#echo "Key: ${VERSION_KEY}"
-
-VERSION_NUM=`cat "${SOURCE_HEADER_FILE_PATH}" | sed -n "s|#define ${VERSION_KEY} \"\(.*\)\".*|\1|p"`
-
-#echo "Value: ${VERSION_NUM}"
-
-TARGET_PLIST_PATH="${TARGET_BUILD_DIR}/${INFOPLIST_PATH}"
-
-/usr/libexec/PlistBuddy -c "Set :${PLIST_KEY} ${VERSION_NUM}" "${TARGET_PLIST_PATH}"
+++ /dev/null
-// !$*UTF8*$!
-{
- archiveVersion = 1;
- classes = {
- };
- objectVersion = 46;
- objects = {
-
-/* Begin PBXAggregateTarget section */
- 4B01D72815B2F5A2002D5007 /* command line tools */ = {
- isa = PBXAggregateTarget;
- buildConfigurationList = 4B01D72915B2F5A2002D5007 /* Build configuration list for PBXAggregateTarget "command line tools" */;
- buildPhases = (
- );
- dependencies = (
- 4B2CADAC1C50D57800291DE6 /* PBXTargetDependency */,
- 4B01D72D15B2F5AC002D5007 /* PBXTargetDependency */,
- 4B01D72F15B2F5AC002D5007 /* PBXTargetDependency */,
- );
- name = "command line tools";
- productName = "command line tools";
- };
- 4B54447915C977A20067BA33 /* all */ = {
- isa = PBXAggregateTarget;
- buildConfigurationList = 4B54447C15C977A20067BA33 /* Build configuration list for PBXAggregateTarget "all" */;
- buildPhases = (
- );
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- 4B54447F15C977AF0067BA33 /* PBXTargetDependency */,
- 4B54448115C977B10067BA33 /* PBXTargetDependency */,
- );
- name = all;
- productName = all;
- };
- 4BACD5A715BC2D8200920691 /* test programs */ = {
- isa = PBXAggregateTarget;
- buildConfigurationList = 4BACD5AE15BC2D8200920691 /* Build configuration list for PBXAggregateTarget "test programs" */;
- buildPhases = (
- );
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- 4BACD65715BC303B00920691 /* PBXTargetDependency */,
- 4BACD65915BC303B00920691 /* PBXTargetDependency */,
- 4BACD66915BC303B00920691 /* PBXTargetDependency */,
- );
- name = "test programs";
- productName = "test programs";
- };
- 4BCF6A681C3BDDD500F036E9 /* examples */ = {
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- name = examples;
- productName = examples;
- };
- 4BDC72A115B1B6EA00236D3C /* Build iOS Framework */ = {
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- buildPhases = (
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- );
- dependencies = (
- );
- name = "Build iOS Framework";
- productName = "Build iOS Framework";
- };
-/* End PBXAggregateTarget section */
-
-/* Begin PBXBuildFile section */
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- 3D7E35461B33064B00022624 /* libzip.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4B01D68B15B2F3F1002D5007 /* libzip.framework */; };
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- 3D7E35491B330AD500022624 /* zip_source_is_deleted.c in Sources */ = {isa = PBXBuildFile; fileRef = 4BE402AC19D94AE400298248 /* zip_source_is_deleted.c */; };
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+++ /dev/null
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
- version = "1.0">
- <FileRef
- location = "self:libzip.xcodeproj">
- </FileRef>
-</Workspace>
+++ /dev/null
-#!/bin/sh
-
-DIR=tmp.$$
-
-mkdir -p $DIR/32 $DIR/64
-
-(cd $DIR/32; ../../../configure CFLAGS=-m32)
-(cd $DIR/64; ../../../configure CFLAGS=-m64)
-
-diff -D __LP64__ $DIR/32/config.h $DIR/64/config.h > config.h
-
-rm -r $DIR
+++ /dev/null
-#ifndef _HAD_ZIPCONF_H
-#define _HAD_ZIPCONF_H
-
-/*
- zipconf.h -- platform specific include file
-
- This file was generated automatically by ./make_zipconf.sh
- based on ../config.h.
- */
-
-#define LIBZIP_VERSION "0.11"
-#define LIBZIP_VERSION_MAJOR 0
-#define LIBZIP_VERSION_MINOR 11
-#define LIBZIP_VERSION_MICRO 0
-
-#include <inttypes.h>
-
-typedef int8_t zip_int8_t;
-#define ZIP_INT8_MIN INT8_MIN
-#define ZIP_INT8_MAX INT8_MAX
-
-typedef uint8_t zip_uint8_t;
-#define ZIP_UINT8_MAX UINT8_MAX
-
-typedef int16_t zip_int16_t;
-#define ZIP_INT16_MIN INT16_MIN
-#define ZIP_INT16_MAX INT16_MAX
-
-typedef uint16_t zip_uint16_t;
-#define ZIP_UINT16_MAX UINT16_MAX
-
-typedef int32_t zip_int32_t;
-#define ZIP_INT32_MIN INT32_MIN
-#define ZIP_INT32_MAX INT32_MAX
-
-typedef uint32_t zip_uint32_t;
-#define ZIP_UINT32_MAX UINT32_MAX
-
-typedef int64_t zip_int64_t;
-#define ZIP_INT64_MIN INT64_MIN
-#define ZIP_INT64_MAX INT64_MAX
-
-typedef uint64_t zip_uint64_t;
-#define ZIP_UINT64_MAX UINT64_MAX
-
-
-#endif /* zipconf.h */
projects / platform / upstream / libzip.git / commitdiff