Contents of /tags/mkinitrd-6_5_0/busybox/selinux/matchpathcon.c
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Fri Jun 3 21:22:00 2011 UTC (13 years, 3 months ago) by niro
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File size: 2224 byte(s)
Fri Jun 3 21:22:00 2011 UTC (13 years, 3 months ago) by niro
File MIME type: text/plain
File size: 2224 byte(s)
tagged 'mkinitrd-6_5_0'
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 | } |