src/test/test-xattr-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2010 Lennart Poettering
   6 ***/
   7
   8 #include <errno.h>
   9 #include <fcntl.h>
  10 #include <sys/types.h>
  11 #include <sys/xattr.h>
  12 #include <unistd.h>
  13
  14 #include "alloc-util.h"
  15 #include "fd-util.h"
  16 #include "fileio.h"
  17 #include "fs-util.h"
  18 #include "macro.h"
  19 #include "string-util.h"
  20 #include "xattr-util.h"
  21
  22 static void test_fgetxattrat_fake(void) {
  23         char t[] = "/var/tmp/xattrtestXXXXXX";
  24         _cleanup_close_ int fd = -1;
  25         const char *x;
  26         char v[3];
  27         int r;
  28         size_t size;
  29
  30         assert_se(mkdtemp(t));
  31         x = strjoina(t, "/test");
  32         assert_se(touch(x) >= 0);
  33
  34         r = setxattr(x, "user.foo", "bar", 3, 0);
  35         if (r < 0 && errno == EOPNOTSUPP) /* no xattrs supported on /var/tmp... */
  36                 goto cleanup;
  37         assert_se(r >= 0);
  38
  39         fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  40         assert_se(fd >= 0);
  41
  42         assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0, &size) >= 0);
  43         assert_se(size == 3);
  44         assert_se(memcmp(v, "bar", 3) == 0);
  45
  46         safe_close(fd);
  47         fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  48         assert_se(fd >= 0);
  49         assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0, &size) == -ENODATA);
  50
  51 cleanup:
  52         assert_se(unlink(x) >= 0);
  53         assert_se(rmdir(t) >= 0);
  54 }
  55
  56 static void test_getcrtime(void) {
  57
  58         _cleanup_close_ int fd = -1;
  59         char ts[FORMAT_TIMESTAMP_MAX];
  60         const char *vt;
  61         usec_t usec, k;
  62         int r;
  63
  64         assert_se(tmp_dir(&vt) >= 0);
  65
  66         fd = open_tmpfile_unlinkable(vt, O_RDWR);
  67         assert_se(fd >= 0);
  68
  69         r = fd_getcrtime(fd, &usec);
  70         if (r < 0)
  71                 log_debug_errno(r, "btime: %m");
  72         else
  73                 log_debug("btime: %s", format_timestamp(ts, sizeof(ts), usec));
  74
  75         k = now(CLOCK_REALTIME);
  76
  77         r = fd_setcrtime(fd, 1519126446UL * USEC_PER_SEC);
  78         if (!IN_SET(r, -EOPNOTSUPP, -ENOTTY)) {
  79                 assert_se(fd_getcrtime(fd, &usec) >= 0);
  80                 assert_se(k < 1519126446UL * USEC_PER_SEC ||
  81                           usec == 1519126446UL * USEC_PER_SEC);
  82         }
  83 }
  84
  85 int main(void) {
  86         log_set_max_level(LOG_DEBUG);
  87         log_parse_environment();
  88         log_open();
  89
  90         test_fgetxattrat_fake();
  91         test_getcrtime();
  92
  93         return 0;
  94 }