Contents of /tags/mkinitrd-6_1_0/busybox/selinux/matchpathcon.c
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Fri Apr 24 19:09:57 2009 UTC (15 years, 5 months ago) by niro
File MIME type: text/plain
File size: 2153 byte(s)
Fri Apr 24 19:09:57 2009 UTC (15 years, 5 months ago) by niro
File MIME type: text/plain
File size: 2153 byte(s)
tagged 'mkinitrd-6_1_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 | */ |
7 | #include "libbb.h" |
8 | |
9 | static 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 | puts(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 | |
32 | int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
33 | int matchpathcon_main(int argc UNUSED_PARAM, char **argv) |
34 | { |
35 | int error = 0; |
36 | unsigned opts; |
37 | char *fcontext, *prefix, *path; |
38 | |
39 | opt_complementary = "-1" /* at least one param reqd */ |
40 | ":?:f--p:p--f"; /* mutually exclusive */ |
41 | opts = getopt32(argv, "nNf:p:V", &fcontext, &prefix); |
42 | argv += optind; |
43 | |
44 | if (opts & OPT_NOT_TRANS) { |
45 | set_matchpathcon_flags(MATCHPATHCON_NOTRANS); |
46 | } |
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 | |
56 | while ((path = *argv++) != NULL) { |
57 | security_context_t con; |
58 | int rc; |
59 | |
60 | if (!(opts & OPT_VERIFY)) { |
61 | error += print_matchpathcon(path, opts & OPT_NOT_PRINT); |
62 | 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 | } |