src/test/test-xattr-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <errno.h>
   4 #include <fcntl.h>
   5 #include <sys/types.h>
   6 #include <sys/xattr.h>
   7 #include <unistd.h>
   8
   9 #include "alloc-util.h"
  10 #include "fd-util.h"
  11 #include "fs-util.h"
  12 #include "macro.h"
  13 #include "string-util.h"
  14 #include "tests.h"
  15 #include "tmpfile-util.h"
  16 #include "xattr-util.h"
  17
  18 static void test_fgetxattrat_fake(void) {
  19         char t[] = "/var/tmp/xattrtestXXXXXX";
  20         _cleanup_close_ int fd = -1;
  21         const char *x;
  22         char v[3];
  23         int r;
  24         size_t size;
  25
  26         assert_se(mkdtemp(t));
  27         x = strjoina(t, "/test");
  28         assert_se(touch(x) >= 0);
  29
  30         r = setxattr(x, "user.foo", "bar", 3, 0);
  31         if (r < 0 && errno == EOPNOTSUPP) /* no xattrs supported on /var/tmp... */
  32                 goto cleanup;
  33         assert_se(r >= 0);
  34
  35         fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  36         assert_se(fd >= 0);
  37
  38         assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0, &size) >= 0);
  39         assert_se(size == 3);
  40         assert_se(memcmp(v, "bar", 3) == 0);
  41
  42         safe_close(fd);
  43         fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  44         assert_se(fd >= 0);
  45         assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0, &size) == -ENODATA);
  46
  47 cleanup:
  48         assert_se(unlink(x) >= 0);
  49         assert_se(rmdir(t) >= 0);
  50 }
  51
  52 static void test_getcrtime(void) {
  53
  54         _cleanup_close_ int fd = -1;
  55         char ts[FORMAT_TIMESTAMP_MAX];
  56         const char *vt;
  57         usec_t usec, k;
  58         int r;
  59
  60         assert_se(tmp_dir(&vt) >= 0);
  61
  62         fd = open_tmpfile_unlinkable(vt, O_RDWR);
  63         assert_se(fd >= 0);
  64
  65         r = fd_getcrtime(fd, &usec);
  66         if (r < 0)
  67                 log_debug_errno(r, "btime: %m");
  68         else
  69                 log_debug("btime: %s", format_timestamp(ts, sizeof(ts), usec));
  70
  71         k = now(CLOCK_REALTIME);
  72
  73         r = fd_setcrtime(fd, 1519126446UL * USEC_PER_SEC);
  74         if (!IN_SET(r, -EOPNOTSUPP, -ENOTTY)) {
  75                 assert_se(fd_getcrtime(fd, &usec) >= 0);
  76                 assert_se(k < 1519126446UL * USEC_PER_SEC ||
  77                           usec == 1519126446UL * USEC_PER_SEC);
  78         }
  79 }
  80
  81 int main(void) {
  82         test_setup_logging(LOG_DEBUG);
  83
  84         test_fgetxattrat_fake();
  85         test_getcrtime();
  86
  87         return 0;
  88 }