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>
6 * Licensed under GPLv2, see file LICENSE in this source tree.
9 //usage:#define matchpathcon_trivial_usage
10 //usage: "[-n] [-N] [-f file_contexts_file] [-p prefix] [-V]"
11 //usage:#define matchpathcon_full_usage "\n\n"
12 //usage: " -n Don't display path"
13 //usage: "\n -N Don't use translations"
14 //usage: "\n -f Use alternate file_context file"
15 //usage: "\n -p Use prefix to speed translations"
16 //usage: "\n -V Verify file context on disk matches defaults"
20 static int print_matchpathcon(char *path, int noprint)
23 int rc = matchpathcon(path, 0, &buf);
25 bb_perror_msg("matchpathcon(%s) failed", path);
29 printf("%s\t%s\n", path, buf);
37 #define OPT_NOT_PRINT (1<<0) /* -n */
38 #define OPT_NOT_TRANS (1<<1) /* -N */
39 #define OPT_FCONTEXT (1<<2) /* -f */
40 #define OPT_PREFIX (1<<3) /* -p */
41 #define OPT_VERIFY (1<<4) /* -V */
43 int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
44 int matchpathcon_main(int argc UNUSED_PARAM, char **argv)
48 char *fcontext, *prefix, *path;
50 opt_complementary = "-1" /* at least one param reqd */
51 ":?:f--p:p--f"; /* mutually exclusive */
52 opts = getopt32(argv, "nNf:p:V", &fcontext, &prefix);
55 if (opts & OPT_NOT_TRANS) {
56 set_matchpathcon_flags(MATCHPATHCON_NOTRANS);
58 if (opts & OPT_FCONTEXT) {
59 if (matchpathcon_init(fcontext))
60 bb_perror_msg_and_die("error while processing %s", fcontext);
62 if (opts & OPT_PREFIX) {
63 if (matchpathcon_init_prefix(NULL, prefix))
64 bb_perror_msg_and_die("error while processing %s", prefix);
67 while ((path = *argv++) != NULL) {
68 security_context_t con;
71 if (!(opts & OPT_VERIFY)) {
72 error += print_matchpathcon(path, opts & OPT_NOT_PRINT);
76 if (selinux_file_context_verify(path, 0)) {
77 printf("%s verified\n", path);
81 if (opts & OPT_NOT_TRANS)
82 rc = lgetfilecon_raw(path, &con);
84 rc = lgetfilecon(path, &con);
87 printf("%s has context %s, should be ", path, con);
88 error += print_matchpathcon(path, 1);
92 printf("actual context unknown: %s, should be ", strerror(errno));
93 error += print_matchpathcon(path, 1);