103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
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/*
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* cpio.h
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*
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* Copyright (C) 2007 Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef H_CPIO
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#define H_CPIO
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#include <sys/types.h>
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#include "stubs.h"
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/* Note the CPIO_CHECK_ERRNO bit is set only if errno is valid. These have to
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be positive numbers or this setting the high bit stuff is a bad idea. */
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#define CPIOERR_CHECK_ERRNO 0x80000000
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#define CPIOERR_BAD_MAGIC (2 )
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#define CPIOERR_BAD_HEADER (3 )
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#define CPIOERR_OPEN_FAILED (4 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_CHMOD_FAILED (5 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_CHOWN_FAILED (6 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_WRITE_FAILED (7 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_UTIME_FAILED (8 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_UNLINK_FAILED (9 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_SYMLINK_FAILED (11 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_STAT_FAILED (12 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_MKDIR_FAILED (13 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_MKNOD_FAILED (14 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_MKFIFO_FAILED (15 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_LINK_FAILED (16 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_READLINK_FAILED (17 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_READ_FAILED (18 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_COPY_FAILED (19 | CPIOERR_CHECK_ERRNO)
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#define CPIOERR_INTERNAL (20 )
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#define CPIOERR_HDR_SIZE (21 )
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#define CPIOERR_UNKNOWN_FILETYPE (22 )
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/* Don't think this behaves just like standard cpio. It's pretty close, but
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it has some behaviors which are more to RPM's liking. I tried to document
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them inline in cpio.c, but I may have missed some. */
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#define CPIO_MAP_PATH (1 << 0)
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#define CPIO_MAP_MODE (1 << 1)
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#define CPIO_MAP_UID (1 << 2)
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#define CPIO_MAP_GID (1 << 3)
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#define CPIO_FOLLOW_SYMLINKS (1 << 4) /* only for building */
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struct cpioFileMapping {
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char * archivePath;
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char * fsPath;
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mode_t finalMode;
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uid_t finalUid;
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gid_t finalGid;
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int mapFlags;
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};
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/* on cpio building, only "file" is filled in */
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struct cpioCallbackInfo {
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char * file;
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long fileSize; /* total file size */
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long fileComplete; /* amount of file unpacked */
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long bytesProcessed; /* bytes in archive read */
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};
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typedef void (*cpioCallback)(struct cpioCallbackInfo * filespec, void * data);
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/* If no mappings are passed, this installs everything! If one is passed
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it should be sorted according to cpioFileMapCmp() and only files included
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in the map are installed. Files are installed relative to the current
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directory unless a mapping is given which specifies an absolute
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directory. The mode mapping is only used for the permission bits, not
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for the file type. The owner/group mappings are ignored for the nonroot
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user. If *failedFile is non-NULL on return, it should be free()d. */
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int myCpioInstallArchive(gzFile stream, struct cpioFileMapping * mappings,
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int numMappings, cpioCallback cb, void * cbData,
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const char ** failedFile);
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int myCpioFilterArchive(gzFile inStream, gzFile outStream, char ** pattern);
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/* This is designed to be qsort/bsearch compatible */
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int myCpioFileMapCmp(const void * a, const void * b);
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const char *myCpioStrerror(int rc);
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int installCpioFile(gzFile fd, char * cpioName, char * outName, int inWin);
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#endif
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