1 /*-
2 * Copyright (c) 2003-2011 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "archive_platform.h"
27 __FBSDID("$FreeBSD$");
28
29 #include "archive.h"
30 #include "archive_private.h"
31
32 #if ARCHIVE_VERSION_NUMBER < 4000000
33 /* Deprecated; remove in libarchive 4.0 */
34 int
archive_read_support_compression_all(struct archive * a)35 archive_read_support_compression_all(struct archive *a)
36 {
37 return archive_read_support_filter_all(a);
38 }
39 #endif
40
41 int
archive_read_support_filter_all(struct archive * a)42 archive_read_support_filter_all(struct archive *a)
43 {
44 archive_check_magic(a, ARCHIVE_READ_MAGIC,
45 ARCHIVE_STATE_NEW, "archive_read_support_filter_all");
46
47 /* Bzip falls back to "bunzip2" command-line */
48 archive_read_support_filter_bzip2(a);
49 /* The decompress code doesn't use an outside library. */
50 archive_read_support_filter_compress(a);
51 /* Gzip decompress falls back to "gzip -d" command-line. */
52 archive_read_support_filter_gzip(a);
53 /* Lzip falls back to "unlzip" command-line program. */
54 archive_read_support_filter_lzip(a);
55 /* The LZMA file format has a very weak signature, so it
56 * may not be feasible to keep this here, but we'll try.
57 * This will come back out if there are problems. */
58 /* Lzma falls back to "unlzma" command-line program. */
59 archive_read_support_filter_lzma(a);
60 /* Xz falls back to "unxz" command-line program. */
61 archive_read_support_filter_xz(a);
62 /* The decode code doesn't use an outside library. */
63 archive_read_support_filter_uu(a);
64 /* The decode code doesn't use an outside library. */
65 archive_read_support_filter_rpm(a);
66 /* The decode code always uses "lrzip -q -d" command-line. */
67 archive_read_support_filter_lrzip(a);
68 /* Lzop decompress falls back to "lzop -d" command-line. */
69 archive_read_support_filter_lzop(a);
70 /* The decode code always uses "grzip -d" command-line. */
71 archive_read_support_filter_grzip(a);
72 /* Lz4 falls back to "lz4 -d" command-line program. */
73 archive_read_support_filter_lz4(a);
74 /* Zstd falls back to "zstd -d" command-line program. */
75 archive_read_support_filter_zstd(a);
76
77 /* Note: We always return ARCHIVE_OK here, even if some of the
78 * above return ARCHIVE_WARN. The intent here is to enable
79 * "as much as possible." Clients who need specific
80 * compression should enable those individually so they can
81 * verify the level of support. */
82 /* Clear any warning messages set by the above functions. */
83 archive_clear_error(a);
84 return (ARCHIVE_OK);
85 }
86