2 Copyright (C) 2009-2024 Free Software Foundation, Inc.
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.
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.
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/>. */
17 /* Written by Eric Blake <ebb9@byu.net>, 2009. */
23 #include "signature.h"
24 SIGNATURE_CHECK (fchownat
, int, (int, char const *, uid_t
, gid_t
, int));
32 #include "mgetgroups.h"
34 #include "stat-time.h"
35 #include "ignore-value.h"
39 # define BASE "test-fchownat.t"
42 #include "test-chown.h"
43 #include "test-lchown.h"
45 static int dfd
= AT_FDCWD
;
47 /* Wrapper around fchownat to test chown behavior. */
49 do_chown (char const *name
, uid_t user
, gid_t group
)
52 return chownat (dfd
, name
, user
, group
);
54 return fchownat (dfd
, name
, user
, group
, 0);
58 /* Wrapper around fchownat to test lchown behavior. */
60 do_lchown (char const *name
, uid_t user
, gid_t group
)
63 return lchownat (dfd
, name
, user
, group
);
65 return fchownat (dfd
, name
, user
, group
, AT_SYMLINK_NOFOLLOW
);
70 main (_GL_UNUSED
int argc
, char *argv
[])
72 int result1
; /* Skip because of no chown/symlink support. */
73 int result2
; /* Skip because of no lchown support. */
75 /* Clean up any trash from prior testsuite runs. */
76 ignore_value (system ("rm -rf " BASE
"*"));
78 /* Test behaviour for invalid file descriptors. */
81 ASSERT (fchownat (-1, "foo", getuid (), getgid (), 0) == -1);
82 ASSERT (errno
== EBADF
);
87 ASSERT (fchownat (99, "foo", getuid (), getgid (), 0) == -1);
88 ASSERT (errno
== EBADF
);
92 result1
= test_chown (do_chown
, true);
93 result2
= test_lchown (do_lchown
, result1
== 0);
94 dfd
= open (".", O_RDONLY
);
96 ASSERT (test_chown (do_chown
, false) == result1
);
97 ASSERT (test_lchown (do_lchown
, false) == result2
);
98 /* We expect 0/0, 0/77, or 77/77, but not 77/0. */
99 ASSERT (result1
<= result2
);
100 ASSERT (close (dfd
) == 0);
102 /* FIXME - add additional tests of dfd not at current directory. */
103 int result
= result1
| result2
;
104 return (result
? result
: test_exit_status
);