src/test/test-dev-setup.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include "capability-util.h"
   4 #include "dev-setup.h"
   5 #include "fs-util.h"
   6 #include "mkdir.h"
   7 #include "path-util.h"
   8 #include "rm-rf.h"
   9 #include "tmpfile-util.h"
  10
  11 int main(int argc, char *argv[]) {
  12         _cleanup_(rm_rf_physical_and_freep) char *p = NULL;
  13         const char *f;
  14         struct stat st;
  15
  16         if (have_effective_cap(CAP_DAC_OVERRIDE) <= 0)
  17                 return EXIT_TEST_SKIP;
  18
  19         assert_se(mkdtemp_malloc("/tmp/test-dev-setupXXXXXX", &p) >= 0);
  20
  21         f = prefix_roota(p, "/run/systemd");
  22         assert_se(mkdir_p(f, 0755) >= 0);
  23
  24         assert_se(make_inaccessible_nodes(f, 1, 1) >= 0);
  25
  26         f = prefix_roota(p, "/run/systemd/inaccessible/reg");
  27         assert_se(stat(f, &st) >= 0);
  28         assert_se(S_ISREG(st.st_mode));
  29         assert_se((st.st_mode & 07777) == 0000);
  30
  31         f = prefix_roota(p, "/run/systemd/inaccessible/dir");
  32         assert_se(stat(f, &st) >= 0);
  33         assert_se(S_ISDIR(st.st_mode));
  34         assert_se((st.st_mode & 07777) == 0000);
  35
  36         f = prefix_roota(p, "/run/systemd/inaccessible/fifo");
  37         assert_se(stat(f, &st) >= 0);
  38         assert_se(S_ISFIFO(st.st_mode));
  39         assert_se((st.st_mode & 07777) == 0000);
  40
  41         f = prefix_roota(p, "/run/systemd/inaccessible/sock");
  42         assert_se(stat(f, &st) >= 0);
  43         assert_se(S_ISSOCK(st.st_mode));
  44         assert_se((st.st_mode & 07777) == 0000);
  45
  46         f = prefix_roota(p, "/run/systemd/inaccessible/chr");
  47         if (stat(f, &st) < 0)
  48                 assert_se(errno == ENOENT);
  49         else {
  50                 assert_se(S_ISCHR(st.st_mode));
  51                 assert_se((st.st_mode & 07777) == 0000);
  52         }
  53
  54         f = prefix_roota(p, "/run/systemd/inaccessible/blk");
  55         if (stat(f, &st) < 0)
  56                 assert_se(errno == ENOENT);
  57         else {
  58                 assert_se(S_ISBLK(st.st_mode));
  59                 assert_se((st.st_mode & 07777) == 0000);
  60         }
  61
  62         return EXIT_SUCCESS;
  63 }