src/test/test-acl-util.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2015 Zbigniew Jędrzejewski-Szmek
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <fcntl.h>
  21 #include <stdlib.h>
  22 #include <sys/stat.h>
  23 #include <unistd.h>
  24
  25 #include "acl-util.h"
  26 #include "fd-util.h"
  27 #include "fileio.h"
  28 #include "string-util.h"
  29 #include "user-util.h"
  30
  31 static void test_add_acls_for_user(void) {
  32         char fn[] = "/tmp/test-empty.XXXXXX";
  33         _cleanup_close_ int fd = -1;
  34         char *cmd;
  35         uid_t uid;
  36         int r;
  37
  38         fd = mkostemp_safe(fn);
  39         assert_se(fd >= 0);
  40
  41         /* Use the mode that user journal files use */
  42         assert_se(fchmod(fd, 0640) == 0);
  43
  44         cmd = strjoina("ls -l ", fn);
  45         assert_se(system(cmd) == 0);
  46
  47         cmd = strjoina("getfacl -p ", fn);
  48         assert_se(system(cmd) == 0);
  49
  50         if (getuid() == 0) {
  51                 const char *nobody = "nobody";
  52                 r = get_user_creds(&nobody, &uid, NULL, NULL, NULL);
  53                 if (r < 0)
  54                         uid = 0;
  55         } else
  56                 uid = getuid();
  57
  58         r = add_acls_for_user(fd, uid);
  59         assert_se(r >= 0);
  60
  61         cmd = strjoina("ls -l ", fn);
  62         assert_se(system(cmd) == 0);
  63
  64         cmd = strjoina("getfacl -p ", fn);
  65         assert_se(system(cmd) == 0);
  66
  67         /* set the acls again */
  68
  69         r = add_acls_for_user(fd, uid);
  70         assert_se(r >= 0);
  71
  72         cmd = strjoina("ls -l ", fn);
  73         assert_se(system(cmd) == 0);
  74
  75         cmd = strjoina("getfacl -p ", fn);
  76         assert_se(system(cmd) == 0);
  77
  78         unlink(fn);
  79 }
  80
  81 int main(int argc, char **argv) {
  82         test_add_acls_for_user();
  83
  84         return 0;
  85 }