xref: /freebsd/contrib/libarchive/libarchive/archive_entry_strmode.c (revision b9128a37faafede823eb456aa65a11ac69997284)
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_STAT_H
29 #include <sys/stat.h>
30 #endif
31 #ifdef HAVE_STRING_H
32 #include <string.h>
33 #endif
34 
35 #include "archive_entry.h"
36 #include "archive_entry_private.h"
37 
38 const char *
39 archive_entry_strmode(struct archive_entry *entry)
40 {
41 	static const mode_t permbits[] =
42 	    { 0400, 0200, 0100, 0040, 0020, 0010, 0004, 0002, 0001 };
43 	char *bp = entry->strmode;
44 	mode_t mode;
45 	int i;
46 
47 	/* Fill in a default string, then selectively override. */
48 	strcpy(bp, "?rwxrwxrwx ");
49 
50 	mode = archive_entry_mode(entry);
51 	switch (archive_entry_filetype(entry)) {
52 	case AE_IFREG:  bp[0] = '-'; break;
53 	case AE_IFBLK:  bp[0] = 'b'; break;
54 	case AE_IFCHR:  bp[0] = 'c'; break;
55 	case AE_IFDIR:  bp[0] = 'd'; break;
56 	case AE_IFLNK:  bp[0] = 'l'; break;
57 	case AE_IFSOCK: bp[0] = 's'; break;
58 	case AE_IFIFO:  bp[0] = 'p'; break;
59 	default:
60 		if (archive_entry_hardlink(entry) != NULL) {
61 			bp[0] = 'h';
62 			break;
63 		}
64 	}
65 
66 	for (i = 0; i < 9; i++)
67 		if (!(mode & permbits[i]))
68 			bp[i+1] = '-';
69 
70 	if (mode & S_ISUID) {
71 		if (mode & 0100) bp[3] = 's';
72 		else bp[3] = 'S';
73 	}
74 	if (mode & S_ISGID) {
75 		if (mode & 0010) bp[6] = 's';
76 		else bp[6] = 'S';
77 	}
78 	if (mode & S_ISVTX) {
79 		if (mode & 0001) bp[9] = 't';
80 		else bp[9] = 'T';
81 	}
82 	if (archive_entry_acl_types(entry) != 0)
83 		bp[10] = '+';
84 
85 	return (bp);
86 }
87