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