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   systemd is free software; you can redistribute it and/or modify it
   8   under the terms of the GNU Lesser General Public License as published by
   9   the Free Software Foundation; either version 2.1 of the License, or
  10   (at your option) any later version.
  11
  12   systemd is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   Lesser General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  19 ***/
  20
  21 #include <errno.h>
  22 #include <fcntl.h>
  23 #include <sys/types.h>
  24 #include <sys/xattr.h>
  25 #include <unistd.h>
  26
  27 #include "alloc-util.h"
  28 #include "fd-util.h"
  29 #include "fileio.h"
  30 #include "fs-util.h"
  31 #include "macro.h"
  32 #include "string-util.h"
  33 #include "xattr-util.h"
  34
  35 static void test_fgetxattrat_fake(void) {
  36         char t[] = "/var/tmp/xattrtestXXXXXX";
  37         _cleanup_close_ int fd = -1;
  38         const char *x;
  39         char v[3] = {};
  40         int r;
  41
  42         assert_se(mkdtemp(t));
  43         x = strjoina(t, "/test");
  44         assert_se(touch(x) >= 0);
  45
  46         r = setxattr(x, "user.foo", "bar", 3, 0);
  47         if (r < 0 && errno == EOPNOTSUPP) /* no xattrs supported on /var/tmp... */
  48                 goto cleanup;
  49         assert_se(r >= 0);
  50
  51         fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  52         assert_se(fd >= 0);
  53
  54         assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0) >= 0);
  55         assert_se(memcmp(v, "bar", 3) == 0);
  56
  57         safe_close(fd);
  58         fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
  59         assert_se(fd >= 0);
  60         assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0) == -ENODATA);
  61
  62 cleanup:
  63         assert_se(unlink(x) >= 0);
  64         assert_se(rmdir(t) >= 0);
  65 }
  66
  67 static void test_getcrtime(void) {
  68
  69         _cleanup_close_ int fd = -1;
  70         char ts[FORMAT_TIMESTAMP_MAX];
  71         const char *vt;
  72         usec_t usec, k;
  73         int r;
  74
  75         assert_se(tmp_dir(&vt) >= 0);
  76
  77         fd = open_tmpfile_unlinkable(vt, O_RDWR);
  78         assert_se(fd >= 0);
  79
  80         r = fd_getcrtime(fd, &usec);
  81         if (r < 0)
  82                 log_debug_errno(r, "btime: %m");
  83         else
  84                 log_debug("btime: %s", format_timestamp(ts, sizeof(ts), usec));
  85
  86         k = now(CLOCK_REALTIME);
  87
  88         r = fd_setcrtime(fd, 1519126446UL * USEC_PER_SEC);
  89         if (!IN_SET(r, -EOPNOTSUPP, -ENOTTY)) {
  90                 assert_se(fd_getcrtime(fd, &usec) >= 0);
  91                 assert_se(k < 1519126446UL * USEC_PER_SEC ||
  92                           usec == 1519126446UL * USEC_PER_SEC);
  93         }
  94 }
  95
  96 int main(void) {
  97         log_set_max_level(LOG_DEBUG);
  98         log_parse_environment();
  99         log_open();
 100
 101         test_fgetxattrat_fake();
 102         test_getcrtime();
 103
 104         return 0;
 105 }