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
28 #include "archive.h"
29 #include "archive_private.h"
30
31 #if ARCHIVE_VERSION_NUMBER < 4000000
32 /* Deprecated; remove in libarchive 4.0 */
33 int
archive_read_support_compression_all(struct archive * a)34 archive_read_support_compression_all(struct archive *a)
35 {
36 return archive_read_support_filter_all(a);
37 }
38 #endif
39
40 int
archive_read_support_filter_all(struct archive * a)41 archive_read_support_filter_all(struct archive *a)
42 {
43 archive_check_magic(a, ARCHIVE_READ_MAGIC,
44 ARCHIVE_STATE_NEW, "archive_read_support_filter_all");
45
46 /* Bzip falls back to "bunzip2" command-line */
47 archive_read_support_filter_bzip2(a);
48 /* The decompress code doesn't use an outside library. */
49 archive_read_support_filter_compress(a);
50 /* Gzip decompress falls back to "gzip -d" command-line. */
51 archive_read_support_filter_gzip(a);
52 /* Lzip falls back to "unlzip" command-line program. */
53 archive_read_support_filter_lzip(a);
54 /* The LZMA file format has a very weak signature, so it
55 * may not be feasible to keep this here, but we'll try.
56 * This will come back out if there are problems. */
57 /* Lzma falls back to "unlzma" command-line program. */
58 archive_read_support_filter_lzma(a);
59 /* Xz falls back to "unxz" command-line program. */
60 archive_read_support_filter_xz(a);
61 /* The decode code doesn't use an outside library. */
62 archive_read_support_filter_uu(a);
63 /* The decode code doesn't use an outside library. */
64 archive_read_support_filter_rpm(a);
65 /* The decode code always uses "lrzip -q -d" command-line. */
66 archive_read_support_filter_lrzip(a);
67 /* Lzop decompress falls back to "lzop -d" command-line. */
68 archive_read_support_filter_lzop(a);
69 /* The decode code always uses "grzip -d" command-line. */
70 archive_read_support_filter_grzip(a);
71 /* Lz4 falls back to "lz4 -d" command-line program. */
72 archive_read_support_filter_lz4(a);
73 /* Zstd falls back to "zstd -d" command-line program. */
74 archive_read_support_filter_zstd(a);
75
76 /* Note: We always return ARCHIVE_OK here, even if some of the
77 * above return ARCHIVE_WARN. The intent here is to enable
78 * "as much as possible." Clients who need specific
79 * compression should enable those individually so they can
80 * verify the level of support. */
81 /* Clear any warning messages set by the above functions. */
82 archive_clear_error(a);
83 return (ARCHIVE_OK);
84 }
85