*
*/
-/** \ingroup payload
- * @note CPIO_CHECK_ERRNO bit is set only if errno is valid.
- */
-#define CPIOERR_CHECK_ERRNO 0x00008000
-
-/** \ingroup payload
- */
-enum cpioErrorReturns {
- CPIOERR_BAD_MAGIC = 2,
- CPIOERR_BAD_HEADER = 3,
- CPIOERR_OPEN_FAILED = 4 | CPIOERR_CHECK_ERRNO,
- CPIOERR_CHMOD_FAILED = 5 | CPIOERR_CHECK_ERRNO,
- CPIOERR_CHOWN_FAILED = 6 | CPIOERR_CHECK_ERRNO,
- CPIOERR_WRITE_FAILED = 7 | CPIOERR_CHECK_ERRNO,
- CPIOERR_UTIME_FAILED = 8 | CPIOERR_CHECK_ERRNO,
- CPIOERR_UNLINK_FAILED = 9 | CPIOERR_CHECK_ERRNO,
- CPIOERR_RENAME_FAILED = 10 | CPIOERR_CHECK_ERRNO,
- CPIOERR_SYMLINK_FAILED = 11 | CPIOERR_CHECK_ERRNO,
- CPIOERR_STAT_FAILED = 12 | CPIOERR_CHECK_ERRNO,
- CPIOERR_LSTAT_FAILED = 13 | CPIOERR_CHECK_ERRNO,
- CPIOERR_MKDIR_FAILED = 14 | CPIOERR_CHECK_ERRNO,
- CPIOERR_RMDIR_FAILED = 15 | CPIOERR_CHECK_ERRNO,
- CPIOERR_MKNOD_FAILED = 16 | CPIOERR_CHECK_ERRNO,
- CPIOERR_MKFIFO_FAILED = 17 | CPIOERR_CHECK_ERRNO,
- CPIOERR_LINK_FAILED = 18 | CPIOERR_CHECK_ERRNO,
- CPIOERR_READLINK_FAILED = 19 | CPIOERR_CHECK_ERRNO,
- CPIOERR_READ_FAILED = 20 | CPIOERR_CHECK_ERRNO,
- CPIOERR_COPY_FAILED = 21 | CPIOERR_CHECK_ERRNO,
- CPIOERR_LSETFCON_FAILED = 22 | CPIOERR_CHECK_ERRNO,
- CPIOERR_HDR_SIZE = 23,
- CPIOERR_HDR_TRAILER = 24,
- CPIOERR_UNKNOWN_FILETYPE= 25,
- CPIOERR_MISSING_HARDLINK= 26,
- CPIOERR_DIGEST_MISMATCH = 27,
- CPIOERR_INTERNAL = 28,
- CPIOERR_UNMAPPED_FILE = 29,
- CPIOERR_ENOENT = 30,
- CPIOERR_ENOTEMPTY = 31,
- CPIOERR_SETCAP_FAILED = 32 | CPIOERR_CHECK_ERRNO,
- CPIOERR_FILE_SIZE = 33,
-};
-
-/*
- * Size limit for individual files in "new ascii format" cpio archives.
- * The max size of the entire archive is unlimited from cpio POV,
- * but subject to filesystem limitations.
- */
-#define CPIO_FILESIZE_MAX UINT32_MAX
-
-#define CPIO_NEWC_MAGIC "070701"
-#define CPIO_CRC_MAGIC "070702"
-#define CPIO_TRAILER "TRAILER!!!"
-
-/** \ingroup payload
- * Cpio archive header information.
- */
-struct cpioCrcPhysicalHeader {
- char magic[6];
- char inode[8];
- char mode[8];
- char uid[8];
- char gid[8];
- char nlink[8];
- char mtime[8];
- char filesize[8];
- char devMajor[8];
- char devMinor[8];
- char rdevMajor[8];
- char rdevMinor[8];
- char namesize[8];
- char checksum[8]; /* ignored !! */
-};
-
-#define PHYS_HDR_SIZE 110 /* Don't depend on sizeof(struct) */
-
typedef struct rpmcpio_s * rpmcpio_t;
#ifdef __cplusplus
/**
* Write cpio header.
- * @retval fsm file path and stat info
- * @param st
+ * @param cpio cpio archive
+ * @param path file name
+ * @param st stat struct with meta data
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmcpioHeaderWrite(rpmcpio_t cpio, char * path, struct stat * st);
+RPM_GNUC_INTERNAL
+int rpmcpioStrippedHeaderWrite(rpmcpio_t cpio, int fx, off_t fsize);
-ssize_t rpmcpioWrite(rpmcpio_t cpio, void * buf, size_t size);
+ssize_t rpmcpioWrite(rpmcpio_t cpio, const void * buf, size_t size);
/**
- * Read cpio header.
+ * Read cpio header. Iff fx is returned as -1 a cpio header was read
+ * and the file name is found in path. Otherwise a stripped header was read
+ * and the fx is the number of the file in the header/rpmfi. In this case
+ * rpmcpioSetExpectedFileSize() needs to be called with the file size of the
+ * payload content - with may be zero for hard links, directory or other
+ * special files.
* @retval fsm file path and stat info
- * @retval st
+ * @retval path path of the file
+ * @retval fx number in the header of the file read
* @return 0 on success
*/
RPM_GNUC_INTERNAL
-int rpmcpioHeaderRead(rpmcpio_t cpio, char ** path, struct stat * st);
-
-ssize_t rpmcpioRead(rpmcpio_t cpio, void * buf, size_t size);
+int rpmcpioHeaderRead(rpmcpio_t cpio, char ** path, int * fx);
-/** \ingroup payload
- * Return formatted error message on payload handling failure.
- * @param rc error code
- * @return formatted error string
+/**
+ * Tell the cpio object the expected file size in the payload.
+ * The size must be zero for all but the last of hard linked files,
+ * directories and special files.
+ * This is needed after reading a stripped cpio header! See above.
*/
-/* XXX should be RPM_GNUC_INTERNAL too but build/pack.c uses */
-const char * rpmcpioStrerror(int rc);
+RPM_GNUC_INTERNAL
+void rpmcpioSetExpectedFileSize(rpmcpio_t cpio, off_t fsize);
+
+ssize_t rpmcpioRead(rpmcpio_t cpio, void * buf, size_t size);
#ifdef __cplusplus
}
projects / platform / upstream / rpm.git / blobdiff