blob: 2bc0a33049e6a789fa04c1816092215c795cedb6 [file] [log] [blame]
Denis Vlasenkod46d3c22007-02-06 19:28:50 +00001/* 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 */
Denis Vlasenkob6adbf12007-05-26 19:00:18 +00007#include "libbb.h"
Denis Vlasenkod46d3c22007-02-06 19:28:50 +00008
9static int print_matchpathcon(char *path, int noprint)
10{
11 char *buf;
12 int rc = matchpathcon(path, 0, &buf);
13 if (rc < 0) {
14 bb_perror_msg("matchpathcon(%s) failed", path);
15 return 1;
16 }
17 if (!noprint)
18 printf("%s\t%s\n", path, buf);
19 else
20 printf("%s\n", buf);
21
22 freecon(buf);
23 return 0;
24}
25
26#define OPT_NOT_PRINT (1<<0) /* -n */
27#define OPT_NOT_TRANS (1<<1) /* -N */
28#define OPT_FCONTEXT (1<<2) /* -f */
29#define OPT_PREFIX (1<<3) /* -p */
30#define OPT_VERIFY (1<<4) /* -V */
31
Denis Vlasenko8c6c6e92007-02-07 22:08:42 +000032int matchpathcon_main(int argc, char **argv);
Denis Vlasenkod46d3c22007-02-06 19:28:50 +000033int matchpathcon_main(int argc, char **argv)
34{
35 int error = 0;
36 unsigned opts;
37 char *fcontext, *prefix, *path;
38
Bernhard Reutner-Fischer12eda0a2007-03-09 08:44:30 +000039 opt_complementary = "-1" /* at least one param reqd */
40 ":?:f--p:p--f"; /* mutually exclusive */
Denis Vlasenkofe7cd642007-08-18 15:32:12 +000041 opts = getopt32(argv, "nNf:p:V", &fcontext, &prefix);
Denis Vlasenkod46d3c22007-02-06 19:28:50 +000042 argv += optind;
43
44 if (opts & OPT_NOT_TRANS) {
Denis Vlasenko8c6c6e92007-02-07 22:08:42 +000045 set_matchpathcon_flags(MATCHPATHCON_NOTRANS);
Denis Vlasenkod46d3c22007-02-06 19:28:50 +000046 }
47 if (opts & OPT_FCONTEXT) {
48 if (matchpathcon_init(fcontext))
49 bb_perror_msg_and_die("error while processing %s", fcontext);
50 }
51 if (opts & OPT_PREFIX) {
52 if (matchpathcon_init_prefix(NULL, prefix))
53 bb_perror_msg_and_die("error while processing %s", prefix);
54 }
55
Denis Vlasenko51742f42007-04-12 00:32:05 +000056 while ((path = *argv++) != NULL) {
Denis Vlasenkod46d3c22007-02-06 19:28:50 +000057 security_context_t con;
58 int rc;
59
60 if (!(opts & OPT_VERIFY)) {
Denis Vlasenko8c6c6e92007-02-07 22:08:42 +000061 error += print_matchpathcon(path, opts & OPT_NOT_PRINT);
Denis Vlasenkod46d3c22007-02-06 19:28:50 +000062 continue;
63 }
64
65 if (selinux_file_context_verify(path, 0)) {
66 printf("%s verified\n", path);
67 continue;
68 }
69
70 if (opts & OPT_NOT_TRANS)
71 rc = lgetfilecon_raw(path, &con);
72 else
73 rc = lgetfilecon(path, &con);
74
75 if (rc >= 0) {
76 printf("%s has context %s, should be ", path, con);
77 error += print_matchpathcon(path, 1);
78 freecon(con);
79 continue;
80 }
81 printf("actual context unknown: %s, should be ", strerror(errno));
82 error += print_matchpathcon(path, 1);
83 }
84 matchpathcon_fini();
85 return error;
86}