| /* |
| * libdpkg - Debian packaging suite library routines |
| * tarfn.h - tar archive extraction functions |
| * |
| * Copyright © 1995 Bruce Perens |
| * Copyright © 2009-2010 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef LIBDPKG_TARFN_H |
| #define LIBDPKG_TARFN_H |
| |
| #include <sys/types.h> |
| |
| #include <unistd.h> |
| #include <stdlib.h> |
| |
| #include <dpkg/file.h> |
| |
| #define TARBLKSZ 512 |
| |
| enum tar_format { |
| tar_format_old, |
| tar_format_gnu, |
| tar_format_ustar, |
| tar_format_pax, |
| }; |
| |
| enum tar_filetype { |
| tar_filetype_file0 = '\0', /* For compatibility with decades-old bug */ |
| 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 { |
| enum tar_format format; /* Tar archive format. */ |
| enum tar_filetype type; /* Regular, Directory, Special, Link */ |
| char *name; /* File name */ |
| char *linkname; /* Name for symbolic and hard links */ |
| off_t size; /* Size of file */ |
| time_t mtime; /* Last-modified time. */ |
| dev_t dev; /* Special device for mknod() */ |
| |
| 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 |