src/test/test-umount.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "alloc-util.h"
   4 #include "errno-util.h"
   5 #include "log.h"
   6 #include "path-util.h"
   7 #include "string-util.h"
   8 #include "tests.h"
   9 #include "umount.h"
  10 #include "util.h"
  11
  12 static void test_mount_points_list(const char *fname) {
  13         _cleanup_(mount_points_list_free) LIST_HEAD(MountPoint, mp_list_head);
  14         _cleanup_free_ char *testdata_fname = NULL;
  15         MountPoint *m;
  16
  17         log_info("/* %s(\"%s\") */", __func__, fname ?: "/proc/self/mountinfo");
  18
  19         if (fname) {
  20                 assert_se(get_testdata_dir(fname, &testdata_fname) >= 0);
  21                 fname = testdata_fname;
  22         }
  23
  24         LIST_HEAD_INIT(mp_list_head);
  25         assert_se(mount_points_list_get(fname, &mp_list_head) >= 0);
  26
  27         LIST_FOREACH(mount_point, m, mp_list_head)
  28                 log_debug("path=%s o=%s f=0x%lx try-ro=%s dev=%u:%u",
  29                           m->path,
  30                           strempty(m->remount_options),
  31                           m->remount_flags,
  32                           yes_no(m->try_remount_ro),
  33                           major(m->devnum), minor(m->devnum));
  34 }
  35
  36 static void test_swap_list(const char *fname) {
  37         _cleanup_(mount_points_list_free) LIST_HEAD(MountPoint, mp_list_head);
  38         _cleanup_free_ char *testdata_fname = NULL;
  39         MountPoint *m;
  40         int r;
  41
  42         log_info("/* %s(\"%s\") */", __func__, fname ?: "/proc/swaps");
  43
  44         if (fname) {
  45                 assert_se(get_testdata_dir(fname, &testdata_fname) >= 0);
  46                 fname = testdata_fname;
  47         }
  48
  49         LIST_HEAD_INIT(mp_list_head);
  50         r = swap_list_get(fname, &mp_list_head);
  51         if (ERRNO_IS_PRIVILEGE(r))
  52                 return;
  53         assert_se(r >= 0);
  54
  55         LIST_FOREACH(mount_point, m, mp_list_head)
  56                 log_debug("path=%s o=%s f=0x%lx try-ro=%s dev=%u:%u",
  57                           m->path,
  58                           strempty(m->remount_options),
  59                           m->remount_flags,
  60                           yes_no(m->try_remount_ro),
  61                           major(m->devnum), minor(m->devnum));
  62 }
  63
  64 int main(int argc, char **argv) {
  65         test_setup_logging(LOG_DEBUG);
  66
  67         test_mount_points_list(NULL);
  68         test_mount_points_list("/test-umount/empty.mountinfo");
  69         test_mount_points_list("/test-umount/garbled.mountinfo");
  70         test_mount_points_list("/test-umount/rhbug-1554943.mountinfo");
  71
  72         test_swap_list(NULL);
  73         test_swap_list("/test-umount/example.swaps");
  74 }