src/test/test-mount-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <sys/mount.h>
   4
   5 #include "alloc-util.h"
   6 #include "mount-util.h"
   7 #include "string-util.h"
   8 #include "tests.h"
   9
  10 static void test_mount_option_mangle(void) {
  11         char *opts = NULL;
  12         unsigned long f;
  13
  14         assert_se(mount_option_mangle(NULL, MS_RDONLY|MS_NOSUID, &f, &opts) == 0);
  15         assert_se(f == (MS_RDONLY|MS_NOSUID));
  16         assert_se(opts == NULL);
  17
  18         assert_se(mount_option_mangle("", MS_RDONLY|MS_NOSUID, &f, &opts) == 0);
  19         assert_se(f == (MS_RDONLY|MS_NOSUID));
  20         assert_se(opts == NULL);
  21
  22         assert_se(mount_option_mangle("ro,nosuid,nodev,noexec", 0, &f, &opts) == 0);
  23         assert_se(f == (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC));
  24         assert_se(opts == NULL);
  25
  26         assert_se(mount_option_mangle("ro,nosuid,nodev,noexec,mode=755", 0, &f, &opts) == 0);
  27         assert_se(f == (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC));
  28         assert_se(streq(opts, "mode=755"));
  29         opts = mfree(opts);
  30
  31         assert_se(mount_option_mangle("rw,nosuid,foo,hogehoge,nodev,mode=755", 0, &f, &opts) == 0);
  32         assert_se(f == (MS_NOSUID|MS_NODEV));
  33         assert_se(streq(opts, "foo,hogehoge,mode=755"));
  34         opts = mfree(opts);
  35
  36         assert_se(mount_option_mangle("rw,nosuid,nodev,noexec,relatime,net_cls,net_prio", MS_RDONLY, &f, &opts) == 0);
  37         assert_se(f == (MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_RELATIME));
  38         assert_se(streq(opts, "net_cls,net_prio"));
  39         opts = mfree(opts);
  40
  41         assert_se(mount_option_mangle("rw,nosuid,nodev,relatime,size=1630748k,mode=700,uid=1000,gid=1000", MS_RDONLY, &f, &opts) == 0);
  42         assert_se(f == (MS_NOSUID|MS_NODEV|MS_RELATIME));
  43         assert_se(streq(opts, "size=1630748k,mode=700,uid=1000,gid=1000"));
  44         opts = mfree(opts);
  45
  46         assert_se(mount_option_mangle("size=1630748k,rw,gid=1000,,,nodev,relatime,,mode=700,nosuid,uid=1000", MS_RDONLY, &f, &opts) == 0);
  47         assert_se(f == (MS_NOSUID|MS_NODEV|MS_RELATIME));
  48         assert_se(streq(opts, "size=1630748k,gid=1000,mode=700,uid=1000"));
  49         opts = mfree(opts);
  50
  51         assert_se(mount_option_mangle("rw,exec,size=8143984k,nr_inodes=2035996,mode=755", MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV, &f, &opts) == 0);
  52         assert_se(f == (MS_NOSUID|MS_NODEV));
  53         assert_se(streq(opts, "size=8143984k,nr_inodes=2035996,mode=755"));
  54         opts = mfree(opts);
  55
  56         assert_se(mount_option_mangle("rw,relatime,fmask=0022,,,dmask=0022", MS_RDONLY, &f, &opts) == 0);
  57         assert_se(f == MS_RELATIME);
  58         assert_se(streq(opts, "fmask=0022,dmask=0022"));
  59         opts = mfree(opts);
  60
  61         assert_se(mount_option_mangle("rw,relatime,fmask=0022,dmask=0022,\"hogehoge", MS_RDONLY, &f, &opts) < 0);
  62 }
  63
  64 int main(int argc, char *argv[]) {
  65         test_setup_logging(LOG_DEBUG);
  66
  67         test_mount_option_mangle();
  68
  69         return 0;
  70 }