1 /* Test for presence of ACL.
2 Copyright (C) 2008-2018 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
main(int argc,char * argv[])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 0;
74 }
75