selinux/getsebool.c

   1 /*
   2  * getsebool
   3  *
   4  * Based on libselinux 1.33.1
   5  * Port to BusyBox  Hiroshi Shinji <shiroshi@my.email.ne.jp>
   6  *
   7  * Licensed under GPLv2, see file LICENSE in this source tree.
   8  */
   9
  10 //usage:#define getsebool_trivial_usage
  11 //usage:       "-a or getsebool boolean..."
  12 //usage:#define getsebool_full_usage "\n\n"
  13 //usage:       "        -a      Show all selinux booleans"
  14
  15 #include "libbb.h"
  16
  17 int getsebool_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  18 int getsebool_main(int argc, char **argv)
  19 {
  20         int i, rc = 0, active, pending, len = 0;
  21         char **names;
  22         unsigned opt;
  23
  24         selinux_or_die();
  25         opt = getopt32(argv, "a");
  26
  27         if (opt) { /* -a */
  28                 if (argc > 2)
  29                         bb_show_usage();
  30
  31                 rc = security_get_boolean_names(&names, &len);
  32                 if (rc)
  33                         bb_perror_msg_and_die("can't get boolean names");
  34
  35                 if (!len) {
  36                         puts("No booleans");
  37                         return 0;
  38                 }
  39         }
  40
  41         if (!len) {
  42                 if (argc < 2)
  43                         bb_show_usage();
  44                 len = argc - 1;
  45                 names = xmalloc(sizeof(char *) * len);
  46                 for (i = 0; i < len; i++)
  47                         names[i] = xstrdup(argv[i + 1]);
  48         }
  49
  50         for (i = 0; i < len; i++) {
  51                 active = security_get_boolean_active(names[i]);
  52                 if (active < 0) {
  53                         bb_error_msg_and_die("error getting active value for %s", names[i]);
  54                 }
  55                 pending = security_get_boolean_pending(names[i]);
  56                 if (pending < 0) {
  57                         bb_error_msg_and_die("error getting pending value for %s", names[i]);
  58                 }
  59                 printf("%s --> %s", names[i], (active ? "on" : "off"));
  60                 if (pending != active)
  61                         printf(" pending: %s", (pending ? "on" : "off"));
  62                 bb_putchar('\n');
  63         }
  64
  65         if (ENABLE_FEATURE_CLEAN_UP) {
  66                 for (i = 0; i < len; i++)
  67                         free(names[i]);
  68                 free(names);
  69         }
  70
  71         return rc;
  72 }