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 __FBSDID("$FreeBSD: head/lib/libarchive/archive_write_set_format_by_name.c 201168 2009-12-29 06:15:32Z kientzle $"); 29 30 #ifdef HAVE_SYS_TYPES_H 31 #include <sys/types.h> 32 #endif 33 34 #ifdef HAVE_ERRNO_H 35 #include <errno.h> 36 #endif 37 #ifdef HAVE_STRING_H 38 #include <string.h> 39 #endif 40 41 #include "archive.h" 42 #include "archive_private.h" 43 44 /* A table that maps names to functions. */ 45 static 46 struct { const char *name; int (*format)(struct archive *); int (*filter)(struct archive *); } names[] = 47 { 48 { ".7z", archive_write_set_format_7zip, archive_write_add_filter_none}, 49 { ".zip", archive_write_set_format_zip, archive_write_add_filter_none}, 50 { ".jar", archive_write_set_format_zip, archive_write_add_filter_none}, 51 { ".cpio", archive_write_set_format_cpio, archive_write_add_filter_none}, 52 { ".iso", archive_write_set_format_iso9660, archive_write_add_filter_none}, 53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) 54 { ".a", archive_write_set_format_ar_bsd, archive_write_add_filter_none}, 55 { ".ar", archive_write_set_format_ar_bsd, archive_write_add_filter_none}, 56 #else 57 { ".a", archive_write_set_format_ar_svr4, archive_write_add_filter_none}, 58 { ".ar", archive_write_set_format_ar_svr4, archive_write_add_filter_none}, 59 #endif 60 { ".tar", archive_write_set_format_pax_restricted, archive_write_add_filter_none}, 61 { ".tgz", archive_write_set_format_pax_restricted, archive_write_add_filter_gzip}, 62 { ".tar.gz", archive_write_set_format_pax_restricted, archive_write_add_filter_gzip}, 63 { ".tar.bz2", archive_write_set_format_pax_restricted, archive_write_add_filter_bzip2}, 64 { ".tar.xz", archive_write_set_format_pax_restricted, archive_write_add_filter_xz}, 65 { NULL, NULL, NULL } 66 }; 67 68 static 69 int cmpsuff(const char *str, const char *suffix) 70 { 71 size_t length_str, length_suffix; 72 73 if ((str == NULL) || (suffix == NULL)) 74 return -1; 75 76 length_str = strlen(str); 77 length_suffix = strlen(suffix); 78 79 if (length_str >= length_suffix) { 80 return strcmp(str + (length_str - length_suffix), suffix); 81 } else { 82 return -1; 83 } 84 } 85 86 static int get_array_index(const char *name) 87 { 88 int i; 89 90 for (i = 0; names[i].name != NULL; i++) 91 { 92 if (cmpsuff(name, names[i].name) == 0) 93 return i; 94 } 95 return -1; 96 97 } 98 99 int 100 archive_write_set_format_filter_by_ext(struct archive *a, const char *filename) 101 { 102 int names_index = get_array_index(filename); 103 104 if (names_index >= 0) 105 { 106 int format_state = (names[names_index].format)(a); 107 if (format_state == ARCHIVE_OK) 108 return ((names[names_index].filter)(a)); 109 else 110 return format_state; 111 } 112 113 archive_set_error(a, EINVAL, "No such format '%s'", filename); 114 a->state = ARCHIVE_STATE_FATAL; 115 return (ARCHIVE_FATAL); 116 } 117 118 int 119 archive_write_set_format_filter_by_ext_def(struct archive *a, const char *filename, const char * def_ext) 120 { 121 int names_index = get_array_index(filename); 122 123 if (names_index < 0) 124 names_index = get_array_index(def_ext); 125 126 if (names_index >= 0) 127 { 128 int format_state = (names[names_index].format)(a); 129 if (format_state == ARCHIVE_OK) 130 return ((names[names_index].filter)(a)); 131 else 132 return format_state; 133 } 134 135 archive_set_error(a, EINVAL, "No such format '%s'", filename); 136 a->state = ARCHIVE_STATE_FATAL; 137 return (ARCHIVE_FATAL); 138 } 139 140 141 142 143