1 /*-
2  * Copyright (c) 2003-2007 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 
28 #ifdef HAVE_SYS_TYPES_H
29 #include <sys/types.h>
30 #endif
31 
32 #ifdef HAVE_ERRNO_H
33 #include <errno.h>
34 #endif
35 
36 #include "archive.h"
37 #include "archive_private.h"
38 #include "archive_write_set_format_private.h"
39 
40 /* A table that maps format codes to functions. */
41 static const
42 struct { int code; int (*setter)(struct archive *); } codes[] =
43 {
44 	{ ARCHIVE_FORMAT_7ZIP,		archive_write_set_format_7zip },
45 	{ ARCHIVE_FORMAT_CPIO,		archive_write_set_format_cpio },
46 	{ ARCHIVE_FORMAT_CPIO_BIN_LE,	archive_write_set_format_cpio_bin },
47 	{ ARCHIVE_FORMAT_CPIO_PWB,	archive_write_set_format_cpio_pwb },
48 	{ ARCHIVE_FORMAT_CPIO_POSIX,	archive_write_set_format_cpio_odc },
49 	{ ARCHIVE_FORMAT_CPIO_SVR4_NOCRC,	archive_write_set_format_cpio_newc },
50 	{ ARCHIVE_FORMAT_ISO9660,	archive_write_set_format_iso9660 },
51 	{ ARCHIVE_FORMAT_MTREE,		archive_write_set_format_mtree },
52 	{ ARCHIVE_FORMAT_RAW,		archive_write_set_format_raw },
53 	{ ARCHIVE_FORMAT_SHAR,		archive_write_set_format_shar },
54 	{ ARCHIVE_FORMAT_SHAR_BASE,	archive_write_set_format_shar },
55 	{ ARCHIVE_FORMAT_SHAR_DUMP,	archive_write_set_format_shar_dump },
56 	{ ARCHIVE_FORMAT_TAR,	archive_write_set_format_pax_restricted },
57 	{ ARCHIVE_FORMAT_TAR_GNUTAR,	archive_write_set_format_gnutar },
58 	{ ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE, archive_write_set_format_pax },
59 	{ ARCHIVE_FORMAT_TAR_PAX_RESTRICTED,
60 				archive_write_set_format_pax_restricted },
61 	{ ARCHIVE_FORMAT_TAR_USTAR,	archive_write_set_format_ustar },
62 	{ ARCHIVE_FORMAT_WARC,		archive_write_set_format_warc },
63 	{ ARCHIVE_FORMAT_XAR,		archive_write_set_format_xar },
64 	{ ARCHIVE_FORMAT_ZIP,		archive_write_set_format_zip },
65 	{ 0,		NULL }
66 };
67 
68 int
archive_write_set_format(struct archive * a,int code)69 archive_write_set_format(struct archive *a, int code)
70 {
71 	int i;
72 
73 	for (i = 0; codes[i].code != 0; i++) {
74 		if (code == codes[i].code)
75 			return ((codes[i].setter)(a));
76 	}
77 
78 	archive_set_error(a, EINVAL, "No such format");
79 	return (ARCHIVE_FATAL);
80 }
81 
82 void
__archive_write_entry_filetype_unsupported(struct archive * a,struct archive_entry * entry,const char * format)83 __archive_write_entry_filetype_unsupported(struct archive *a,
84     struct archive_entry *entry, const char *format)
85 {
86 	const char *name = NULL;
87 
88 	switch (archive_entry_filetype(entry)) {
89 	/*
90 	 * All formats should be able to archive regular files (AE_IFREG)
91 	 */
92 	case AE_IFDIR:
93 		name = "directories";
94 		break;
95 	case AE_IFLNK:
96 		name = "symbolic links";
97 		break;
98 	case AE_IFCHR:
99 		name = "character devices";
100 		break;
101 	case AE_IFBLK:
102 		name = "block devices";
103 		break;
104 	case AE_IFIFO:
105 		name = "named pipes";
106 		break;
107 	case AE_IFSOCK:
108 		name = "sockets";
109 		break;
110 	default:
111 		break;
112 	}
113 
114 	if (name != NULL) {
115 		archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT,
116 		    "%s: %s format cannot archive %s",
117 		    archive_entry_pathname(entry), format, name);
118 	} else {
119 		archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT,
120 		    "%s: %s format cannot archive files with mode 0%lo",
121 		    archive_entry_pathname(entry), format,
122 		    (unsigned long)archive_entry_mode(entry));
123 	}
124 }
125