141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
#ifndef H_CPIO
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#define H_CPIO
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/** \ingroup payload
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* \file lib/cpio.h
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* Structures used to handle cpio payloads within rpm packages.
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*
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* @warning Rpm's cpio implementation may be different than standard cpio.
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* The implementation is pretty close, but it has some behaviors which are
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* more to RPM's liking. I tried to document the differing behavior in cpio.c,
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* but I may have missed some (ewt).
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*
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*/
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#include <sys/types.h>
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#include "rpmio_internal.h"
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#include "rpmlib.h"
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/** \ingroup payload
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* @note CPIO_CHECK_ERRNO bit is set only if errno is valid.
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*/
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#define CPIOERR_CHECK_ERRNO 0x00008000
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/** \ingroup payload
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*/
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enum cpioErrorReturns {
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CPIOERR_BAD_MAGIC = (2 ),
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CPIOERR_BAD_HEADER = (3 ),
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CPIOERR_OPEN_FAILED = (4 | CPIOERR_CHECK_ERRNO),
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CPIOERR_CHMOD_FAILED = (5 | CPIOERR_CHECK_ERRNO),
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CPIOERR_CHOWN_FAILED = (6 | CPIOERR_CHECK_ERRNO),
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CPIOERR_WRITE_FAILED = (7 | CPIOERR_CHECK_ERRNO),
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CPIOERR_UTIME_FAILED = (8 | CPIOERR_CHECK_ERRNO),
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CPIOERR_UNLINK_FAILED = (9 | CPIOERR_CHECK_ERRNO),
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CPIOERR_RENAME_FAILED = (10 | CPIOERR_CHECK_ERRNO),
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CPIOERR_SYMLINK_FAILED = (11 | CPIOERR_CHECK_ERRNO),
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CPIOERR_STAT_FAILED = (12 | CPIOERR_CHECK_ERRNO),
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CPIOERR_LSTAT_FAILED = (13 | CPIOERR_CHECK_ERRNO),
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CPIOERR_MKDIR_FAILED = (14 | CPIOERR_CHECK_ERRNO),
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CPIOERR_RMDIR_FAILED = (15 | CPIOERR_CHECK_ERRNO),
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CPIOERR_MKNOD_FAILED = (16 | CPIOERR_CHECK_ERRNO),
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CPIOERR_MKFIFO_FAILED = (17 | CPIOERR_CHECK_ERRNO),
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CPIOERR_LINK_FAILED = (18 | CPIOERR_CHECK_ERRNO),
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CPIOERR_READLINK_FAILED = (19 | CPIOERR_CHECK_ERRNO),
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CPIOERR_READ_FAILED = (20 | CPIOERR_CHECK_ERRNO),
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CPIOERR_COPY_FAILED = (21 | CPIOERR_CHECK_ERRNO),
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CPIOERR_LSETFCON_FAILED = (22 | CPIOERR_CHECK_ERRNO),
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CPIOERR_HDR_SIZE = (23 ),
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CPIOERR_HDR_TRAILER = (24 ),
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CPIOERR_UNKNOWN_FILETYPE= (25 ),
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CPIOERR_MISSING_HARDLINK= (26 ),
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CPIOERR_MD5SUM_MISMATCH = (27 ),
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CPIOERR_INTERNAL = (28 ),
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CPIOERR_UNMAPPED_FILE = (29 )
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};
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/** \ingroup payload
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*/
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typedef enum cpioMapFlags_e {
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CPIO_MAP_PATH = (1 << 0),
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CPIO_MAP_MODE = (1 << 1),
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CPIO_MAP_UID = (1 << 2),
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CPIO_MAP_GID = (1 << 3),
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CPIO_FOLLOW_SYMLINKS= (1 << 4), /*!< only for building. */
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CPIO_MAP_ABSOLUTE = (1 << 5),
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CPIO_MAP_ADDDOT = (1 << 6),
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CPIO_ALL_HARDLINKS = (1 << 7), /*!< fail if hardlinks are missing. */
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CPIO_MAP_TYPE = (1 << 8), /*!< only for building. */
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} cpioMapFlags;
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#define CPIO_NEWC_MAGIC "070701"
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#define CPIO_CRC_MAGIC "070702"
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#define CPIO_TRAILER "TRAILER!!!"
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/** \ingroup payload
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* Cpio archive header information.
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*/
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struct cpioCrcPhysicalHeader {
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char magic[6];
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char inode[8];
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char mode[8];
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char uid[8];
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char gid[8];
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char nlink[8];
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char mtime[8];
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char filesize[8];
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char devMajor[8];
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char devMinor[8];
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char rdevMajor[8];
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char rdevMinor[8];
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char namesize[8];
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char checksum[8]; /* ignored !! */
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};
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#define PHYS_HDR_SIZE 110 /*!< Don't depend on sizeof(struct) */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Write cpio trailer.
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* @retval fsm file path and stat info
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* @return 0 on success
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*/
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int cpioTrailerWrite(FSM_t fsm)
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/*@modifies fsm, fileSystem @*/;
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/**
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* Write cpio header.
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* @retval fsm file path and stat info
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* @param st
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* @return 0 on success
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*/
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int cpioHeaderWrite(FSM_t fsm, struct stat * st)
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/*@modifies fsm, fileSystem @*/;
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/**
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* Read cpio header.
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* @retval fsm file path and stat info
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* @param st
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* @return 0 on success
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*/
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int cpioHeaderRead(FSM_t fsm, struct stat * st)
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/*@modifies fsm, *st @*/;
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/** \ingroup payload
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* Return formatted error message on payload handling failure.
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* @param rc error code
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* @return formatted error string
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*/
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/*@observer@*/ const char * cpioStrerror(int rc) /*@*/;
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#ifdef __cplusplus
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}
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#endif
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#endif /* H_CPIO */
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