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 "fileio.h"
  12 #include "fs-util.h"
  13 #include "macro.h"
  14 #include "string-util.h"
  15 #include "xattr-util.h"
  16
  17 static void test_fgetxattrat_fake(void) {
  18         char t[] = "/var/tmp/xattrtestXXXXXX";
  19         _cleanup_close_ int fd = -1;
  20         const char *x;
  21         char v[3];
  22         int r;
  23         size_t size;
  24
  25         assert_se(mkdtemp(t));
  26         x = strjoina(t, "/test");
  27         assert_se(touch(x) >= 0);
  28
  29         r = setxattr(x, "user.foo", "bar", 3, 0);
  30         if (r < 0 && errno == EOPNOTSUPP) /* no xattrs supported on /var/tmp... */
  31                 goto cleanup;
  32         assert_se(r >= 0);
  33
  34         fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  35         assert_se(fd >= 0);
  36
  37         assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0, &size) >= 0);
  38         assert_se(size == 3);
  39         assert_se(memcmp(v, "bar", 3) == 0);
  40
  41         safe_close(fd);
  42         fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  43         assert_se(fd >= 0);
  44         assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0, &size) == -ENODATA);
  45
  46 cleanup:
  47         assert_se(unlink(x) >= 0);
  48         assert_se(rmdir(t) >= 0);
  49 }
  50
  51 static void test_getcrtime(void) {
  52
  53         _cleanup_close_ int fd = -1;
  54         char ts[FORMAT_TIMESTAMP_MAX];
  55         const char *vt;
  56         usec_t usec, k;
  57         int r;
  58
  59         assert_se(tmp_dir(&vt) >= 0);
  60
  61         fd = open_tmpfile_unlinkable(vt, O_RDWR);
  62         assert_se(fd >= 0);
  63
  64         r = fd_getcrtime(fd, &usec);
  65         if (r < 0)
  66                 log_debug_errno(r, "btime: %m");
  67         else
  68                 log_debug("btime: %s", format_timestamp(ts, sizeof(ts), usec));
  69
  70         k = now(CLOCK_REALTIME);
  71
  72         r = fd_setcrtime(fd, 1519126446UL * USEC_PER_SEC);
  73         if (!IN_SET(r, -EOPNOTSUPP, -ENOTTY)) {
  74                 assert_se(fd_getcrtime(fd, &usec) >= 0);
  75                 assert_se(k < 1519126446UL * USEC_PER_SEC ||
  76                           usec == 1519126446UL * USEC_PER_SEC);
  77         }
  78 }
  79
  80 int main(void) {
  81         log_set_max_level(LOG_DEBUG);
  82         log_parse_environment();
  83         log_open();
  84
  85         test_fgetxattrat_fake();
  86         test_getcrtime();
  87
  88         return 0;
  89 }