1 /*- 2 * Copyright (c) 2003-2007 Tim Kientzle 3 * Copyright (c) 2015 Okhotnikov Kirill 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "archive_platform.h" 28 29 #ifdef HAVE_SYS_TYPES_H 30 #include <sys/types.h> 31 #endif 32 33 #ifdef HAVE_ERRNO_H 34 #include <errno.h> 35 #endif 36 #ifdef HAVE_STRING_H 37 #include <string.h> 38 #endif 39 40 #include "archive.h" 41 #include "archive_private.h" 42 43 /* A table that maps names to functions. */ 44 static const 45 struct { const char *name; int (*format)(struct archive *); int (*filter)(struct archive *); } names[] = 46 { 47 { ".7z", archive_write_set_format_7zip, archive_write_add_filter_none}, 48 { ".zip", archive_write_set_format_zip, archive_write_add_filter_none}, 49 { ".jar", archive_write_set_format_zip, archive_write_add_filter_none}, 50 { ".cpio", archive_write_set_format_cpio, archive_write_add_filter_none}, 51 { ".iso", archive_write_set_format_iso9660, archive_write_add_filter_none}, 52 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) 53 { ".a", archive_write_set_format_ar_bsd, archive_write_add_filter_none}, 54 { ".ar", archive_write_set_format_ar_bsd, archive_write_add_filter_none}, 55 #else 56 { ".a", archive_write_set_format_ar_svr4, archive_write_add_filter_none}, 57 { ".ar", archive_write_set_format_ar_svr4, archive_write_add_filter_none}, 58 #endif 59 { ".tar", archive_write_set_format_pax_restricted, archive_write_add_filter_none}, 60 { ".tgz", archive_write_set_format_pax_restricted, archive_write_add_filter_gzip}, 61 { ".tar.gz", archive_write_set_format_pax_restricted, archive_write_add_filter_gzip}, 62 { ".tar.bz2", archive_write_set_format_pax_restricted, archive_write_add_filter_bzip2}, 63 { ".tar.xz", archive_write_set_format_pax_restricted, archive_write_add_filter_xz}, 64 { NULL, NULL, NULL } 65 }; 66 67 static 68 int cmpsuff(const char *str, const char *suffix) 69 { 70 size_t length_str, length_suffix; 71 72 if ((str == NULL) || (suffix == NULL)) 73 return -1; 74 75 length_str = strlen(str); 76 length_suffix = strlen(suffix); 77 78 if (length_str >= length_suffix) { 79 return strcmp(str + (length_str - length_suffix), suffix); 80 } else { 81 return -1; 82 } 83 } 84 85 static int get_array_index(const char *name) 86 { 87 int i; 88 89 for (i = 0; names[i].name != NULL; i++) 90 { 91 if (cmpsuff(name, names[i].name) == 0) 92 return i; 93 } 94 return -1; 95 96 } 97 98 int 99 archive_write_set_format_filter_by_ext(struct archive *a, const char *filename) 100 { 101 int names_index = get_array_index(filename); 102 103 if (names_index >= 0) 104 { 105 int format_state = (names[names_index].format)(a); 106 if (format_state == ARCHIVE_OK) 107 return ((names[names_index].filter)(a)); 108 else 109 return format_state; 110 } 111 112 archive_set_error(a, EINVAL, "No such format '%s'", filename); 113 a->state = ARCHIVE_STATE_FATAL; 114 return (ARCHIVE_FATAL); 115 } 116 117 int 118 archive_write_set_format_filter_by_ext_def(struct archive *a, const char *filename, const char * def_ext) 119 { 120 int names_index = get_array_index(filename); 121 122 if (names_index < 0) 123 names_index = get_array_index(def_ext); 124 125 if (names_index >= 0) 126 { 127 int format_state = (names[names_index].format)(a); 128 if (format_state == ARCHIVE_OK) 129 return ((names[names_index].filter)(a)); 130 else 131 return format_state; 132 } 133 134 archive_set_error(a, EINVAL, "No such format '%s'", filename); 135 a->state = ARCHIVE_STATE_FATAL; 136 return (ARCHIVE_FATAL); 137 } 138 139 140 141 142