tests/test-file-has-acl.c

   1 /* Test for presence of ACL.
   2    Copyright (C) 2008-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2008.  */
  18
  19 #include <config.h>
  20
  21 #include "acl.h"
  22
  23 #include <signal.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <unistd.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29
  30 #include "macros.h"
  31
  32 int
  33 main (int argc, char *argv[])
  34 {
  35   const char *file;
  36   struct stat statbuf;
  37
  38   ASSERT (argc == 2);
  39
  40   file = argv[1];
  41
  42   if (stat (file, &statbuf) < 0)
  43     {
  44       fprintf (stderr, "could not access file \"%s\"\n", file);
  45       exit (EXIT_FAILURE);
  46     }
  47
  48   /* Check against possible infinite loop in file_has_acl.  */
  49 #if HAVE_DECL_ALARM
  50   /* Declare failure if test takes too long, by using default abort
  51      caused by SIGALRM.  */
  52   {
  53     int alarm_value = 5;
  54     signal (SIGALRM, SIG_DFL);
  55     alarm (alarm_value);
  56   }
  57 #endif
  58
  59 #if USE_ACL
  60   {
  61     int ret = file_has_acl (file, &statbuf);
  62     if (ret < 0)
  63       {
  64         fprintf (stderr, "could not access the ACL of file \"%s\"\n", file);
  65         exit (EXIT_FAILURE);
  66       }
  67     printf ("%s\n", ret ? "yes" : "no");
  68   }
  69 #else
  70   printf ("no\n");
  71 #endif
  72
  73   return test_exit_status;
  74 }