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 const
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
cmpsuff(const char * str,const char * suffix)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
get_array_index(const char * name)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
archive_write_set_format_filter_by_ext(struct archive * a,const char * filename)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
archive_write_set_format_filter_by_ext_def(struct archive * a,const char * filename,const char * def_ext)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