source: branches/3.2/mindi-busybox/selinux/matchpathcon.c @ 3232

Last change on this file since 3232 was 3232, checked in by bruno, 5 years ago
  • Update mindi-busybox to 1.21.1
  • Property svn:eol-style set to native
File size: 2.6 KB
RevLine 
[1765]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 *
[2725]6 * Licensed under GPLv2, see file LICENSE in this source tree.
[1765]7 */
[3232]8
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"
17
[1765]18#include "libbb.h"
19
20static int print_matchpathcon(char *path, int noprint)
21{
22    char *buf;
23    int rc = matchpathcon(path, 0, &buf);
24    if (rc < 0) {
25        bb_perror_msg("matchpathcon(%s) failed", path);
26        return 1;
27    }
28    if (!noprint)
29        printf("%s\t%s\n", path, buf);
30    else
[2725]31        puts(buf);
[1765]32
33    freecon(buf);
34    return 0;
35}
36
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 */
42
[2725]43int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
44int matchpathcon_main(int argc UNUSED_PARAM, char **argv)
[1765]45{
46    int error = 0;
47    unsigned opts;
48    char *fcontext, *prefix, *path;
49
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);
53    argv += optind;
54
55    if (opts & OPT_NOT_TRANS) {
56        set_matchpathcon_flags(MATCHPATHCON_NOTRANS);
57    }
58    if (opts & OPT_FCONTEXT) {
59        if (matchpathcon_init(fcontext))
60            bb_perror_msg_and_die("error while processing %s", fcontext);
61    }
62    if (opts & OPT_PREFIX) {
63        if (matchpathcon_init_prefix(NULL, prefix))
64            bb_perror_msg_and_die("error while processing %s", prefix);
65    }
66
67    while ((path = *argv++) != NULL) {
68        security_context_t con;
69        int rc;
70
71        if (!(opts & OPT_VERIFY)) {
72            error += print_matchpathcon(path, opts & OPT_NOT_PRINT);
73            continue;
74        }
75
76        if (selinux_file_context_verify(path, 0)) {
77            printf("%s verified\n", path);
78            continue;
79        }
80
81        if (opts & OPT_NOT_TRANS)
82            rc = lgetfilecon_raw(path, &con);
83        else
84            rc = lgetfilecon(path, &con);
85
86        if (rc >= 0) {
87            printf("%s has context %s, should be ", path, con);
88            error += print_matchpathcon(path, 1);
89            freecon(con);
90            continue;
91        }
92        printf("actual context unknown: %s, should be ", strerror(errno));
93        error += print_matchpathcon(path, 1);
94    }
95    matchpathcon_fini();
96    return error;
97}
Note: See TracBrowser for help on using the repository browser.