Magellan Linux

Contents of /trunk/mkinitrd-magellan/busybox/selinux/matchpathcon.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 984 - (show annotations) (download)
Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
File MIME type: text/plain
File size: 2224 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
1 /* matchpathcon - get the default security context for the specified
2 * path from the file contexts configuration.
3 * based on libselinux-1.32
4 * Port to busybox: KaiGai Kohei <kaigai@kaigai.gr.jp>
5 *
6 * Licensed under GPLv2, see file LICENSE in this tarball for details.
7 */
8 #include "libbb.h"
9
10 static int print_matchpathcon(char *path, int noprint)
11 {
12 char *buf;
13 int rc = matchpathcon(path, 0, &buf);
14 if (rc < 0) {
15 bb_perror_msg("matchpathcon(%s) failed", path);
16 return 1;
17 }
18 if (!noprint)
19 printf("%s\t%s\n", path, buf);
20 else
21 puts(buf);
22
23 freecon(buf);
24 return 0;
25 }
26
27 #define OPT_NOT_PRINT (1<<0) /* -n */
28 #define OPT_NOT_TRANS (1<<1) /* -N */
29 #define OPT_FCONTEXT (1<<2) /* -f */
30 #define OPT_PREFIX (1<<3) /* -p */
31 #define OPT_VERIFY (1<<4) /* -V */
32
33 int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
34 int matchpathcon_main(int argc UNUSED_PARAM, char **argv)
35 {
36 int error = 0;
37 unsigned opts;
38 char *fcontext, *prefix, *path;
39
40 opt_complementary = "-1" /* at least one param reqd */
41 ":?:f--p:p--f"; /* mutually exclusive */
42 opts = getopt32(argv, "nNf:p:V", &fcontext, &prefix);
43 argv += optind;
44
45 if (opts & OPT_NOT_TRANS) {
46 set_matchpathcon_flags(MATCHPATHCON_NOTRANS);
47 }
48 if (opts & OPT_FCONTEXT) {
49 if (matchpathcon_init(fcontext))
50 bb_perror_msg_and_die("error while processing %s", fcontext);
51 }
52 if (opts & OPT_PREFIX) {
53 if (matchpathcon_init_prefix(NULL, prefix))
54 bb_perror_msg_and_die("error while processing %s", prefix);
55 }
56
57 while ((path = *argv++) != NULL) {
58 security_context_t con;
59 int rc;
60
61 if (!(opts & OPT_VERIFY)) {
62 error += print_matchpathcon(path, opts & OPT_NOT_PRINT);
63 continue;
64 }
65
66 if (selinux_file_context_verify(path, 0)) {
67 printf("%s verified\n", path);
68 continue;
69 }
70
71 if (opts & OPT_NOT_TRANS)
72 rc = lgetfilecon_raw(path, &con);
73 else
74 rc = lgetfilecon(path, &con);
75
76 if (rc >= 0) {
77 printf("%s has context %s, should be ", path, con);
78 error += print_matchpathcon(path, 1);
79 freecon(con);
80 continue;
81 }
82 printf("actual context unknown: %s, should be ", strerror(errno));
83 error += print_matchpathcon(path, 1);
84 }
85 matchpathcon_fini();
86 return error;
87 }