*
* Copyright (C) 2001,2002 by Laurence Anderson
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config RPM
+//config: bool "rpm"
+//config: default y
+//config: help
+//config: Mini RPM applet - queries and extracts RPM packages.
+
+//applet:IF_RPM(APPLET(rpm, BB_DIR_BIN, BB_SUID_DROP))
+//kbuild:lib-$(CONFIG_RPM) += rpm.o
+
+//usage:#define rpm_trivial_usage
+//usage: "-i PACKAGE.rpm; rpm -qp[ildc] PACKAGE.rpm"
+//usage:#define rpm_full_usage "\n\n"
+//usage: "Manipulate RPM packages\n"
+//usage: "\nCommands:"
+//usage: "\n -i Install package"
+//usage: "\n -qp Query package"
+//usage: "\n -qpi Show information"
+//usage: "\n -qpl List contents"
+//usage: "\n -qpd List documents"
+//usage: "\n -qpc List config files"
+
#include "libbb.h"
-#include "unarchive.h"
+#include "bb_archive.h"
+#include "rpm.h"
-#define RPM_HEADER_MAGIC "\216\255\350"
#define RPM_CHAR_TYPE 1
#define RPM_INT8_TYPE 2
#define RPM_INT16_TYPE 3
#define TAG_DIRINDEXES 1116
#define TAG_BASENAMES 1117
#define TAG_DIRNAMES 1118
+
#define RPMFILE_CONFIG (1 << 0)
#define RPMFILE_DOC (1 << 1)
uint32_t count; /* 4 byte count */
} rpm_index;
-static void *map;
-static rpm_index **mytags;
-static int tagcount;
-
-static void extract_cpio_gz(int fd);
-static rpm_index **rpm_gettags(int fd, int *num_tags);
-static int bsearch_rpmtag(const void *key, const void *item);
-static char *rpm_getstr(int tag, int itemindex);
-static int rpm_getint(int tag, int itemindex);
-static int rpm_getcount(int tag);
-static void fileaction_dobackup(char *filename, int fileref);
-static void fileaction_setowngrp(char *filename, int fileref);
-static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref));
-
-int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int rpm_main(int argc, char **argv)
-{
- int opt = 0, func = 0, rpm_fd, offset;
- const int pagesize = getpagesize();
-
- while ((opt = getopt(argc, argv, "iqpldc")) != -1) {
- switch (opt) {
- case 'i': /* First arg: Install mode, with q: Information */
- if (!func) func = rpm_install;
- else func |= rpm_query_info;
- break;
- case 'q': /* First arg: Query mode */
- if (func) bb_show_usage();
- func = rpm_query;
- break;
- case 'p': /* Query a package */
- func |= rpm_query_package;
- break;
- case 'l': /* List files in a package */
- func |= rpm_query_list;
- break;
- case 'd': /* List doc files in a package (implies list) */
- func |= rpm_query_list;
- func |= rpm_query_list_doc;
- break;
- case 'c': /* List config files in a package (implies list) */
- func |= rpm_query_list;
- func |= rpm_query_list_config;
- break;
- default:
- bb_show_usage();
- }
- }
- argv += optind;
- argc -= optind;
- if (!argc) bb_show_usage();
-
- while (*argv) {
- rpm_fd = xopen(*argv++, O_RDONLY);
- mytags = rpm_gettags(rpm_fd, &tagcount);
- if (!mytags)
- bb_error_msg_and_die("error reading rpm header");
- offset = xlseek(rpm_fd, 0, SEEK_CUR);
- /* Mimimum is one page */
- map = mmap(0, offset > pagesize ? (offset + offset % pagesize) : pagesize, PROT_READ, MAP_PRIVATE, rpm_fd, 0);
-
- if (func & rpm_install) {
- /* Backup any config files */
- loop_through_files(TAG_BASENAMES, fileaction_dobackup);
- /* Extact the archive */
- extract_cpio_gz(rpm_fd);
- /* Set the correct file uid/gid's */
- loop_through_files(TAG_BASENAMES, fileaction_setowngrp);
- }
- else if ((func & (rpm_query|rpm_query_package)) == (rpm_query|rpm_query_package)) {
- if (!(func & (rpm_query_info|rpm_query_list))) {
- /* If just a straight query, just give package name */
- printf("%s-%s-%s\n", rpm_getstr(TAG_NAME, 0), rpm_getstr(TAG_VERSION, 0), rpm_getstr(TAG_RELEASE, 0));
- }
- if (func & rpm_query_info) {
- /* Do the nice printout */
- time_t bdate_time;
- struct tm *bdate;
- char bdatestring[50];
- printf("Name : %-29sRelocations: %s\n", rpm_getstr(TAG_NAME, 0), rpm_getstr(TAG_PREFIXS, 0) ? rpm_getstr(TAG_PREFIXS, 0) : "(not relocateable)");
- printf("Version : %-34sVendor: %s\n", rpm_getstr(TAG_VERSION, 0), rpm_getstr(TAG_VENDOR, 0) ? rpm_getstr(TAG_VENDOR, 0) : "(none)");
- bdate_time = rpm_getint(TAG_BUILDTIME, 0);
- bdate = localtime((time_t *) &bdate_time);
- strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate);
- printf("Release : %-30sBuild Date: %s\n", rpm_getstr(TAG_RELEASE, 0), bdatestring);
- printf("Install date: %-30sBuild Host: %s\n", "(not installed)", rpm_getstr(TAG_BUILDHOST, 0));
- printf("Group : %-30sSource RPM: %s\n", rpm_getstr(TAG_GROUP, 0), rpm_getstr(TAG_SOURCERPM, 0));
- printf("Size : %-33dLicense: %s\n", rpm_getint(TAG_SIZE, 0), rpm_getstr(TAG_LICENSE, 0));
- printf("URL : %s\n", rpm_getstr(TAG_URL, 0));
- printf("Summary : %s\n", rpm_getstr(TAG_SUMMARY, 0));
- printf("Description :\n%s\n", rpm_getstr(TAG_DESCRIPTION, 0));
- }
- if (func & rpm_query_list) {
- int count, it, flags;
- count = rpm_getcount(TAG_BASENAMES);
- for (it = 0; it < count; it++) {
- flags = rpm_getint(TAG_FILEFLAGS, it);
- switch (func & (rpm_query_list_doc|rpm_query_list_config)) {
- case rpm_query_list_doc:
- if (!(flags & RPMFILE_DOC)) continue;
- break;
- case rpm_query_list_config:
- if (!(flags & RPMFILE_CONFIG)) continue;
- break;
- case rpm_query_list_doc|rpm_query_list_config:
- if (!(flags & (RPMFILE_CONFIG|RPMFILE_DOC))) continue;
- break;
- }
- printf("%s%s\n",
- rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, it)),
- rpm_getstr(TAG_BASENAMES, it));
- }
- }
- }
- free(mytags);
- }
- return 0;
-}
+struct globals {
+ void *map;
+ rpm_index **mytags;
+ int tagcount;
+} FIX_ALIASING;
+#define G (*(struct globals*)&bb_common_bufsiz1)
+#define INIT_G() do { } while (0)
-static void extract_cpio_gz(int fd)
+static void extract_cpio(int fd, const char *source_rpm)
{
archive_handle_t *archive_handle;
- unsigned char magic[2];
-#if BB_MMU
- USE_DESKTOP(long long) int FAST_FUNC (*xformer)(int src_fd, int dst_fd);
- enum { xformer_prog = 0 };
-#else
- enum { xformer = 0 };
- const char *xformer_prog;
-#endif
+
+ if (source_rpm != NULL) {
+ /* Binary rpm (it was built from some SRPM), install to root */
+ xchdir("/");
+ } /* else: SRPM, install to current dir */
/* Initialize */
archive_handle = init_handle();
archive_handle->seek = seek_by_read;
- //archive_handle->action_header = header_list;
archive_handle->action_data = data_extract_all;
- archive_handle->ah_flags = ARCHIVE_PRESERVE_DATE | ARCHIVE_CREATE_LEADING_DIRS;
+#if 0 /* For testing (rpm -i only lists the files in internal cpio): */
+ archive_handle->action_header = header_list;
+ archive_handle->action_data = data_skip;
+#endif
+ archive_handle->ah_flags = ARCHIVE_RESTORE_DATE | ARCHIVE_CREATE_LEADING_DIRS
+ /* compat: overwrite existing files.
+ * try "rpm -i foo.src.rpm" few times in a row -
+ * standard rpm will not complain.
+ */
+ | ARCHIVE_REPLACE_VIA_RENAME;
archive_handle->src_fd = fd;
/*archive_handle->offset = 0; - init_handle() did it */
-// TODO: open_zipped does the same
-
- xread(archive_handle->src_fd, &magic, 2);
-#if BB_MMU
- xformer = unpack_gz_stream;
-#else
- xformer_prog = "gunzip";
-#endif
- if (magic[0] != 0x1f || magic[1] != 0x8b) {
- if (!ENABLE_FEATURE_SEAMLESS_BZ2
- || magic[0] != 'B' || magic[1] != 'Z'
- ) {
- bb_error_msg_and_die("no gzip"
- USE_FEATURE_SEAMLESS_BZ2("/bzip2")
- " magic");
- }
-#if BB_MMU
- xformer = unpack_bz2_stream;
-#else
- xformer_prog = "bunzip2";
-#endif
- } else {
-#if !BB_MMU
- /* NOMMU version of open_transformer execs an external unzipper that should
- * have the file position at the start of the file */
- xlseek(archive_handle->src_fd, 0, SEEK_SET);
-#endif
- }
-
- xchdir("/"); /* Install RPM's to root */
- open_transformer(archive_handle->src_fd, xformer, xformer_prog);
- archive_handle->offset = 0;
+ setup_unzip_on_fd(archive_handle->src_fd, /*fail_if_not_detected:*/ 1);
while (get_header_cpio(archive_handle) == EXIT_SUCCESS)
continue;
}
-
static rpm_index **rpm_gettags(int fd, int *num_tags)
{
- /* We should never need mode than 200, and realloc later */
- rpm_index **tags = xzalloc(200 * sizeof(struct rpmtag *));
+ /* We should never need more than 200 (shrink via realloc later) */
+ rpm_index **tags = xzalloc(200 * sizeof(tags[0]));
int pass, tagindex = 0;
xlseek(fd, 96, SEEK_CUR); /* Seek past the unused lead */
/* 1st pass is the signature headers, 2nd is the main stuff */
for (pass = 0; pass < 2; pass++) {
- struct {
- char magic[3]; /* 3 byte magic: 0x8e 0xad 0xe8 */
- uint8_t version; /* 1 byte version number */
- uint32_t reserved; /* 4 bytes reserved */
- uint32_t entries; /* Number of entries in header (4 bytes) */
- uint32_t size; /* Size of store (4 bytes) */
- } header;
+ struct rpm_header header;
rpm_index *tmpindex;
int storepos;
xread(fd, &header, sizeof(header));
- if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC, 3) != 0)
- return NULL; /* Invalid magic */
- if (header.version != 1)
- return NULL; /* This program only supports v1 headers */
+ if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER))
+ return NULL; /* Invalid magic, or not version 1 */
header.size = ntohl(header.size);
header.entries = ntohl(header.entries);
- storepos = xlseek(fd,0,SEEK_CUR) + header.entries * 16;
+ storepos = xlseek(fd, 0, SEEK_CUR) + header.entries * 16;
while (header.entries--) {
- tmpindex = tags[tagindex++] = xmalloc(sizeof(rpm_index));
- xread(fd, tmpindex, sizeof(rpm_index));
+ tmpindex = tags[tagindex++] = xmalloc(sizeof(*tmpindex));
+ xread(fd, tmpindex, sizeof(*tmpindex));
tmpindex->tag = ntohl(tmpindex->tag);
tmpindex->type = ntohl(tmpindex->type);
tmpindex->count = ntohl(tmpindex->count);
if (pass == 0)
tmpindex->tag -= 743;
}
- xlseek(fd, header.size, SEEK_CUR); /* Seek past store */
+ storepos = xlseek(fd, header.size, SEEK_CUR); /* Seek past store */
/* Skip padding to 8 byte boundary after reading signature headers */
if (pass == 0)
- xlseek(fd, (8 - (xlseek(fd,0,SEEK_CUR) % 8)) % 8, SEEK_CUR);
+ xlseek(fd, (-storepos) & 0x7, SEEK_CUR);
}
- tags = xrealloc(tags, tagindex * sizeof(struct rpmtag *)); /* realloc tags to save space */
+ /* realloc tags to save space */
+ tags = xrealloc(tags, tagindex * sizeof(tags[0]));
*num_tags = tagindex;
- return tags; /* All done, leave the file at the start of the gzipped cpio archive */
+ /* All done, leave the file at the start of the gzipped cpio archive */
+ return tags;
}
static int bsearch_rpmtag(const void *key, const void *item)
static int rpm_getcount(int tag)
{
rpm_index **found;
- found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
+ found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
if (!found)
return 0;
return found[0]->count;
static char *rpm_getstr(int tag, int itemindex)
{
rpm_index **found;
- found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
+ found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
if (!found || itemindex >= found[0]->count)
return NULL;
- if (found[0]->type == RPM_STRING_TYPE || found[0]->type == RPM_I18NSTRING_TYPE || found[0]->type == RPM_STRING_ARRAY_TYPE) {
+ if (found[0]->type == RPM_STRING_TYPE
+ || found[0]->type == RPM_I18NSTRING_TYPE
+ || found[0]->type == RPM_STRING_ARRAY_TYPE
+ ) {
int n;
- char *tmpstr = (char *) (map + found[0]->offset);
- for (n=0; n < itemindex; n++)
+ char *tmpstr = (char *) G.map + found[0]->offset;
+ for (n = 0; n < itemindex; n++)
tmpstr = tmpstr + strlen(tmpstr) + 1;
return tmpstr;
}
static int rpm_getint(int tag, int itemindex)
{
rpm_index **found;
- int *tmpint; /* NB: using int8_t* would be easier to code */
+ char *tmpint;
/* gcc throws warnings here when sizeof(void*)!=sizeof(int) ...
* it's ok to ignore it because tag won't be used as a pointer */
- found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
+ found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
if (!found || itemindex >= found[0]->count)
return -1;
- tmpint = (int *) (map + found[0]->offset);
-
+ tmpint = (char *) G.map + found[0]->offset;
if (found[0]->type == RPM_INT32_TYPE) {
- tmpint = (int *) ((char *) tmpint + itemindex*4);
- /*return ntohl(*tmpint);*/
- /* int can be != int32_t */
+ tmpint += itemindex*4;
return ntohl(*(int32_t*)tmpint);
}
if (found[0]->type == RPM_INT16_TYPE) {
- tmpint = (int *) ((char *) tmpint + itemindex*2);
- /* ??? read int, and THEN ntohs() it?? */
- /*return ntohs(*tmpint);*/
+ tmpint += itemindex*2;
return ntohs(*(int16_t*)tmpint);
}
if (found[0]->type == RPM_INT8_TYPE) {
- tmpint = (int *) ((char *) tmpint + itemindex);
- /* ??? why we don't read byte here??? */
- /*return ntohs(*tmpint);*/
+ tmpint += itemindex;
return *(int8_t*)tmpint;
}
return -1;
static void fileaction_setowngrp(char *filename, int fileref)
{
- int uid, gid;
- uid = xuname2uid(rpm_getstr(TAG_FILEUSERNAME, fileref));
- gid = xgroup2gid(rpm_getstr(TAG_FILEGROUPNAME, fileref));
+ /* real rpm warns: "user foo does not exist - using <you>" */
+ struct passwd *pw = getpwnam(rpm_getstr(TAG_FILEUSERNAME, fileref));
+ int uid = pw ? pw->pw_uid : getuid(); /* or euid? */
+ struct group *gr = getgrnam(rpm_getstr(TAG_FILEGROUPNAME, fileref));
+ int gid = gr ? gr->gr_gid : getgid();
chown(filename, uid, gid);
}
free(filename);
}
}
+
+int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int rpm_main(int argc, char **argv)
+{
+ int opt, func = 0;
+ const unsigned pagesize = getpagesize();
+
+ while ((opt = getopt(argc, argv, "iqpldc")) != -1) {
+ switch (opt) {
+ case 'i': /* First arg: Install mode, with q: Information */
+ if (!func) func = rpm_install;
+ else func |= rpm_query_info;
+ break;
+ case 'q': /* First arg: Query mode */
+ if (func) bb_show_usage();
+ func = rpm_query;
+ break;
+ case 'p': /* Query a package */
+ func |= rpm_query_package;
+ break;
+ case 'l': /* List files in a package */
+ func |= rpm_query_list;
+ break;
+ case 'd': /* List doc files in a package (implies list) */
+ func |= rpm_query_list;
+ func |= rpm_query_list_doc;
+ break;
+ case 'c': /* List config files in a package (implies list) */
+ func |= rpm_query_list;
+ func |= rpm_query_list_config;
+ break;
+ default:
+ bb_show_usage();
+ }
+ }
+ argv += optind;
+ //argc -= optind;
+ if (!argv[0]) {
+ bb_show_usage();
+ }
+
+ while (*argv) {
+ int rpm_fd;
+ unsigned mapsize;
+ const char *source_rpm;
+
+ rpm_fd = xopen(*argv++, O_RDONLY);
+ G.mytags = rpm_gettags(rpm_fd, &G.tagcount);
+ if (!G.mytags)
+ bb_error_msg_and_die("error reading rpm header");
+ mapsize = xlseek(rpm_fd, 0, SEEK_CUR);
+ mapsize = (mapsize + pagesize) & -(int)pagesize;
+ /* Some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */
+ G.map = mmap(0, mapsize, PROT_READ, MAP_PRIVATE, rpm_fd, 0);
+//FIXME: error check?
+
+ source_rpm = rpm_getstr(TAG_SOURCERPM, 0);
+
+ if (func & rpm_install) {
+ /* Backup any config files */
+ loop_through_files(TAG_BASENAMES, fileaction_dobackup);
+ /* Extact the archive */
+ extract_cpio(rpm_fd, source_rpm);
+ /* Set the correct file uid/gid's */
+ loop_through_files(TAG_BASENAMES, fileaction_setowngrp);
+ }
+ else if ((func & (rpm_query|rpm_query_package)) == (rpm_query|rpm_query_package)) {
+ if (!(func & (rpm_query_info|rpm_query_list))) {
+ /* If just a straight query, just give package name */
+ printf("%s-%s-%s\n", rpm_getstr(TAG_NAME, 0), rpm_getstr(TAG_VERSION, 0), rpm_getstr(TAG_RELEASE, 0));
+ }
+ if (func & rpm_query_info) {
+ /* Do the nice printout */
+ time_t bdate_time;
+ struct tm *bdate_ptm;
+ char bdatestring[50];
+ const char *p;
+
+ printf("%-12s: %s\n", "Name" , rpm_getstr(TAG_NAME, 0));
+ /* TODO compat: add "Epoch" here */
+ printf("%-12s: %s\n", "Version" , rpm_getstr(TAG_VERSION, 0));
+ printf("%-12s: %s\n", "Release" , rpm_getstr(TAG_RELEASE, 0));
+ /* add "Architecture" */
+ printf("%-12s: %s\n", "Install Date", "(not installed)");
+ printf("%-12s: %s\n", "Group" , rpm_getstr(TAG_GROUP, 0));
+ printf("%-12s: %d\n", "Size" , rpm_getint(TAG_SIZE, 0));
+ printf("%-12s: %s\n", "License" , rpm_getstr(TAG_LICENSE, 0));
+ /* add "Signature" */
+ printf("%-12s: %s\n", "Source RPM" , source_rpm ? source_rpm : "(none)");
+ bdate_time = rpm_getint(TAG_BUILDTIME, 0);
+ bdate_ptm = localtime(&bdate_time);
+ strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm);
+ printf("%-12s: %s\n", "Build Date" , bdatestring);
+ printf("%-12s: %s\n", "Build Host" , rpm_getstr(TAG_BUILDHOST, 0));
+ p = rpm_getstr(TAG_PREFIXS, 0);
+ printf("%-12s: %s\n", "Relocations" , p ? p : "(not relocatable)");
+ /* add "Packager" */
+ p = rpm_getstr(TAG_VENDOR, 0);
+ printf("%-12s: %s\n", "Vendor" , p ? p : "(none)");
+ printf("%-12s: %s\n", "URL" , rpm_getstr(TAG_URL, 0));
+ printf("%-12s: %s\n", "Summary" , rpm_getstr(TAG_SUMMARY, 0));
+ printf("Description :\n%s\n", rpm_getstr(TAG_DESCRIPTION, 0));
+ }
+ if (func & rpm_query_list) {
+ int count, it, flags;
+ count = rpm_getcount(TAG_BASENAMES);
+ for (it = 0; it < count; it++) {
+ flags = rpm_getint(TAG_FILEFLAGS, it);
+ switch (func & (rpm_query_list_doc|rpm_query_list_config)) {
+ case rpm_query_list_doc:
+ if (!(flags & RPMFILE_DOC)) continue;
+ break;
+ case rpm_query_list_config:
+ if (!(flags & RPMFILE_CONFIG)) continue;
+ break;
+ case rpm_query_list_doc|rpm_query_list_config:
+ if (!(flags & (RPMFILE_CONFIG|RPMFILE_DOC))) continue;
+ break;
+ }
+ printf("%s%s\n",
+ rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, it)),
+ rpm_getstr(TAG_BASENAMES, it));
+ }
+ }
+ }
+ munmap(G.map, mapsize);
+ free(G.mytags);
+ close(rpm_fd);
+ }
+ return 0;
+}
projects / platform / upstream / busybox.git / blobdiff