src/test/test-dev-setup.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "capability-util.h"
   4 #include "dev-setup.h"
   5 #include "fs-util.h"
   6 #include "path-util.h"
   7 #include "rm-rf.h"
   8 #include "tmpfile-util.h"
   9
  10 int main(int argc, char *argv[]) {
  11         _cleanup_(rm_rf_physical_and_freep) char *p = NULL;
  12         const char *f;
  13         struct stat st;
  14
  15         if (have_effective_cap(CAP_DAC_OVERRIDE) <= 0)
  16                 return EXIT_TEST_SKIP;
  17
  18         assert_se(mkdtemp_malloc("/tmp/test-dev-setupXXXXXX", &p) >= 0);
  19
  20         f = prefix_roota(p, "/run");
  21         assert_se(mkdir(f, 0755) >= 0);
  22
  23         assert_se(make_inaccessible_nodes(p, 1, 1) >= 0);
  24
  25         f = prefix_roota(p, "/run/systemd/inaccessible/reg");
  26         assert_se(stat(f, &st) >= 0);
  27         assert_se(S_ISREG(st.st_mode));
  28         assert_se((st.st_mode & 07777) == 0000);
  29
  30         f = prefix_roota(p, "/run/systemd/inaccessible/dir");
  31         assert_se(stat(f, &st) >= 0);
  32         assert_se(S_ISDIR(st.st_mode));
  33         assert_se((st.st_mode & 07777) == 0000);
  34
  35         f = prefix_roota(p, "/run/systemd/inaccessible/fifo");
  36         assert_se(stat(f, &st) >= 0);
  37         assert_se(S_ISFIFO(st.st_mode));
  38         assert_se((st.st_mode & 07777) == 0000);
  39
  40         f = prefix_roota(p, "/run/systemd/inaccessible/sock");
  41         assert_se(stat(f, &st) >= 0);
  42         assert_se(S_ISSOCK(st.st_mode));
  43         assert_se((st.st_mode & 07777) == 0000);
  44
  45         f = prefix_roota(p, "/run/systemd/inaccessible/chr");
  46         if (stat(f, &st) < 0)
  47                 assert_se(errno == ENOENT);
  48         else {
  49                 assert_se(S_ISCHR(st.st_mode));
  50                 assert_se((st.st_mode & 07777) == 0000);
  51         }
  52
  53         f = prefix_roota(p, "/run/systemd/inaccessible/blk");
  54         if (stat(f, &st) < 0)
  55                 assert_se(errno == ENOENT);
  56         else {
  57                 assert_se(S_ISBLK(st.st_mode));
  58                 assert_se((st.st_mode & 07777) == 0000);
  59         }
  60
  61         return EXIT_SUCCESS;
  62 }