Gitiles
Code Review Sign In
gerrit.nordix.org / codeaurora / busybox / 73804d6f7e6220e220ac167bd77ef210ea6e3d68 / . / include / unarchive.h
blob: 2075ca2ac25af398d37dcf65f429d47cb2e3430e [file] [log] [blame]
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]1#ifndef __UNARCHIVE_H__
2#define __UNARCHIVE_H__
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]3
Rob Landleyf3d6c942005-10-27 22:49:08 +0000[diff] [blame]4#define ARCHIVE_PRESERVE_DATE 1
5#define ARCHIVE_CREATE_LEADING_DIRS 2
6#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
7#define ARCHIVE_EXTRACT_QUIET 8
8#define ARCHIVE_EXTRACT_NEWER 16
9#define ARCHIVE_NOPRESERVE_OWN 32
10#define ARCHIVE_NOPRESERVE_PERM 64
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]11
12#include <sys/types.h>
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]13#include <stdio.h>
Glenn L McGrath66125c82002-12-08 00:54:33 +0000[diff] [blame]14#include "libbb.h"
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]15
16typedef struct file_headers_s {
17 char *name;
18 char *link_name;
19 off_t size;
20 uid_t uid;
21 gid_t gid;
22 mode_t mode;
23 time_t mtime;
24 dev_t device;
25} file_header_t;
26
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]27typedef struct archive_handle_s {
28 /* define if the header and data compenent should processed */
Glenn L McGrath18bbca12002-11-05 01:52:23 +0000[diff] [blame]29 char (*filter)(struct archive_handle_s *);
Glenn L McGrath66125c82002-12-08 00:54:33 +0000[diff] [blame]30 llist_t *accept;
31 llist_t *reject;
32 llist_t *passed; /* List of files that have successfully been worked on */
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]33
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]34 /* Contains the processed header entry */
35 file_header_t *file_header;
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]36
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]37 /* process the header component, e.g. tar -t */
38 void (*action_header)(const file_header_t *);
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]39
Glenn L McGrathf235d052003-10-29 03:37:54 +0000[diff] [blame]40 /* process the data component, e.g. extract to filesystem */
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]41 void (*action_data)(struct archive_handle_s *);
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000[diff] [blame]42
Glenn L McGrath18bbca12002-11-05 01:52:23 +0000[diff] [blame]43 /* How to process any sub archive, e.g. get_header_tar_gz */
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]44 char (*action_data_subarchive)(struct archive_handle_s *);
45
46 /* Contains the handle to a sub archive */
47 struct archive_handle_s *sub_archive;
48
49 /* The raw stream as read from disk or stdin */
50 int src_fd;
51
52 /* Count the number of bytes processed */
53 off_t offset;
54
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]55 /* Function that skips data: read_by_char or read_by_skip */
56 void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount);
57
Glenn L McGrathf235d052003-10-29 03:37:54 +0000[diff] [blame]58 /* Temporary storage */
Glenn L McGrath61b79042002-10-19 10:40:55 +0000[diff] [blame]59 char *buffer;
60
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]61 /* Misc. stuff */
62 unsigned char flags;
63
64} archive_handle_t;
65
66extern archive_handle_t *init_handle(void);
67
Glenn L McGrath18bbca12002-11-05 01:52:23 +0000[diff] [blame]68extern char filter_accept_all(archive_handle_t *archive_handle);
69extern char filter_accept_list(archive_handle_t *archive_handle);
70extern char filter_accept_list_reassign(archive_handle_t *archive_handle);
71extern char filter_accept_reject_list(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]72
73extern void unpack_ar_archive(archive_handle_t *ar_archive);
74
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]75extern void data_skip(archive_handle_t *archive_handle);
76extern void data_extract_all(archive_handle_t *archive_handle);
77extern void data_extract_to_stdout(archive_handle_t *archive_handle);
Glenn L McGrath61b79042002-10-19 10:40:55 +0000[diff] [blame]78extern void data_extract_to_buffer(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]79
80extern void header_skip(const file_header_t *file_header);
81extern void header_list(const file_header_t *file_header);
82extern void header_verbose_list(const file_header_t *file_header);
83
84extern void check_header_gzip(int src_fd);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]85
86extern char get_header_ar(archive_handle_t *archive_handle);
Glenn L McGrathb72a7352002-12-10 00:17:22 +0000[diff] [blame]87extern char get_header_cpio(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]88extern char get_header_tar(archive_handle_t *archive_handle);
Glenn L McGrath7f2a9532002-11-05 02:56:57 +0000[diff] [blame]89extern char get_header_tar_bz2(archive_handle_t *archive_handle);
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]90extern char get_header_tar_lzma(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]91extern char get_header_tar_gz(archive_handle_t *archive_handle);
92
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]93extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount);
94extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int amount);
Glenn L McGrath60bce492002-11-03 07:28:38 +0000[diff] [blame]95
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]96extern void archive_xread_all(const archive_handle_t *archive_handle, void *buf, const size_t count);
97extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count);
98
99extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary);
Glenn L McGrathc5c1a8a2002-10-19 06:19:22 +0000[diff] [blame]100extern const llist_t *find_list_entry(const llist_t *list, const char *filename);
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]101
Glenn L McGrath5699b852003-11-15 23:19:05 +0000[diff] [blame]102extern int uncompressStream(int src_fd, int dst_fd);
103extern void inflate_init(unsigned int bufsize);
Paul Fox0840b762005-07-20 20:26:49 +0000[diff] [blame]104extern void inflate_cleanup(void);
Glenn L McGrath5699b852003-11-15 23:19:05 +0000[diff] [blame]105extern int inflate_unzip(int in, int out);
106extern int inflate_gunzip(int in, int out);
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]107extern int unlzma(int src_fd, int dst_fd);
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]108
Glenn L McGrath5699b852003-11-15 23:19:05 +0000[diff] [blame]109extern int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd));
110
Glenn L McGrathefe78892002-11-19 21:07:17 +0000[diff] [blame]111
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]112#endif