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 35 archive_read_support_compression_all(struct archive *a) 36 { 37 return archive_read_support_filter_all(a); 38 } 39 #endif 40 41 int 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 75 /* Note: We always return ARCHIVE_OK here, even if some of the 76 * above return ARCHIVE_WARN. The intent here is to enable 77 * "as much as possible." Clients who need specific 78 * compression should enable those individually so they can 79 * verify the level of support. */ 80 /* Clear any warning messages set by the above functions. */ 81 archive_clear_error(a); 82 return (ARCHIVE_OK); 83 } 84