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- /*
- * libdpkg - Debian packaging suite library routines
- * tarfn.h - tar archive extraction functions
- *
- * Copyright © 1995 Bruce Perens
- * Copyright © 2009-2014 Guillem Jover <guillem@debian.org>
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
- #ifndef LIBDPKG_TARFN_H
- #define LIBDPKG_TARFN_H
- #include <sys/types.h>
- #include <dpkg/file.h>
- /**
- * @defgroup tar Tar archive handling
- * @ingroup dpkg-public
- * @{
- */
- #define TARBLKSZ 512
- enum tar_format {
- TAR_FORMAT_OLD,
- TAR_FORMAT_GNU,
- TAR_FORMAT_USTAR,
- TAR_FORMAT_PAX,
- };
- enum tar_filetype {
- /** For compatibility with decades-old bug. */
- TAR_FILETYPE_FILE0 = '\0',
- TAR_FILETYPE_FILE = '0',
- TAR_FILETYPE_HARDLINK = '1',
- TAR_FILETYPE_SYMLINK = '2',
- TAR_FILETYPE_CHARDEV = '3',
- TAR_FILETYPE_BLOCKDEV = '4',
- TAR_FILETYPE_DIR = '5',
- TAR_FILETYPE_FIFO = '6',
- TAR_FILETYPE_GNU_LONGLINK = 'K',
- TAR_FILETYPE_GNU_LONGNAME = 'L',
- };
- struct tar_entry {
- /** Tar archive format. */
- enum tar_format format;
- /** File type. */
- enum tar_filetype type;
- /** File name. */
- char *name;
- /** Symlink or hardlink name. */
- char *linkname;
- /** File size. */
- off_t size;
- /** Last-modified time. */
- time_t mtime;
- /** Special device for mknod(). */
- dev_t dev;
- struct file_stat stat;
- };
- typedef int tar_read_func(void *ctx, char *buffer, int length);
- typedef int tar_make_func(void *ctx, struct tar_entry *h);
- struct tar_operations {
- tar_read_func *read;
- tar_make_func *extract_file;
- tar_make_func *link;
- tar_make_func *symlink;
- tar_make_func *mkdir;
- tar_make_func *mknod;
- };
- int tar_extractor(void *ctx, const struct tar_operations *ops);
- /** @} */
- #endif
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