src/test/test-xattr-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2010 Lennart Poettering
   4 ***/
   5
   6 #include <errno.h>
   7 #include <fcntl.h>
   8 #include <sys/types.h>
   9 #include <sys/xattr.h>
  10 #include <unistd.h>
  11
  12 #include "alloc-util.h"
  13 #include "fd-util.h"
  14 #include "fileio.h"
  15 #include "fs-util.h"
  16 #include "macro.h"
  17 #include "string-util.h"
  18 #include "xattr-util.h"
  19
  20 static void test_fgetxattrat_fake(void) {
  21         char t[] = "/var/tmp/xattrtestXXXXXX";
  22         _cleanup_close_ int fd = -1;
  23         const char *x;
  24         char v[3];
  25         int r;
  26         size_t size;
  27
  28         assert_se(mkdtemp(t));
  29         x = strjoina(t, "/test");
  30         assert_se(touch(x) >= 0);
  31
  32         r = setxattr(x, "user.foo", "bar", 3, 0);
  33         if (r < 0 && errno == EOPNOTSUPP) /* no xattrs supported on /var/tmp... */
  34                 goto cleanup;
  35         assert_se(r >= 0);
  36
  37         fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  38         assert_se(fd >= 0);
  39
  40         assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0, &size) >= 0);
  41         assert_se(size == 3);
  42         assert_se(memcmp(v, "bar", 3) == 0);
  43
  44         safe_close(fd);
  45         fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  46         assert_se(fd >= 0);
  47         assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0, &size) == -ENODATA);
  48
  49 cleanup:
  50         assert_se(unlink(x) >= 0);
  51         assert_se(rmdir(t) >= 0);
  52 }
  53
  54 static void test_getcrtime(void) {
  55
  56         _cleanup_close_ int fd = -1;
  57         char ts[FORMAT_TIMESTAMP_MAX];
  58         const char *vt;
  59         usec_t usec, k;
  60         int r;
  61
  62         assert_se(tmp_dir(&vt) >= 0);
  63
  64         fd = open_tmpfile_unlinkable(vt, O_RDWR);
  65         assert_se(fd >= 0);
  66
  67         r = fd_getcrtime(fd, &usec);
  68         if (r < 0)
  69                 log_debug_errno(r, "btime: %m");
  70         else
  71                 log_debug("btime: %s", format_timestamp(ts, sizeof(ts), usec));
  72
  73         k = now(CLOCK_REALTIME);
  74
  75         r = fd_setcrtime(fd, 1519126446UL * USEC_PER_SEC);
  76         if (!IN_SET(r, -EOPNOTSUPP, -ENOTTY)) {
  77                 assert_se(fd_getcrtime(fd, &usec) >= 0);
  78                 assert_se(k < 1519126446UL * USEC_PER_SEC ||
  79                           usec == 1519126446UL * USEC_PER_SEC);
  80         }
  81 }
  82
  83 int main(void) {
  84         log_set_max_level(LOG_DEBUG);
  85         log_parse_environment();
  86         log_open();
  87
  88         test_fgetxattrat_fake();
  89         test_getcrtime();
  90
  91         return 0;
  92 }