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099ee64b2c
* tests/test-readlinkat.c (main): Test file descriptor -2 instead of -1. * tests/test-areadlinkat.c (main): Likewise. * tests/test-areadlinkat-with-size.c (main): Likewise. * tests/test-faccessat.c (main): Likewise. * tests/test-fchmodat.c (main): Likewise. * tests/test-fchownat.c (main): Likewise. * tests/test-fstatat.c (main): Likewise. * tests/test-linkat.c (main): Likewise. * tests/test-mkdirat.c (main): Likewise. * tests/test-mkfifoat.c (main): Likewise. * tests/test-openat.c (main): Likewise. * tests/test-openat-safer.c (main): Likewise. * tests/test-openat2.c (main): Likewise. * tests/test-renameat.c (main): Likewise. * tests/test-renameatu.c (main): Likewise. * tests/test-symlinkat.c (main): Likewise. * tests/test-unlinkat.c (main): Likewise. * tests/test-utimensat.c (main): Likewise.
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/* Tests of fchownat.
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Copyright (C) 2009-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Eric Blake <ebb9@byu.net>, 2009. */
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#include <config.h>
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#include <unistd.h>
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#include "signature.h"
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SIGNATURE_CHECK (fchownat, int, (int, char const *, uid_t, gid_t, int));
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#include <fcntl.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include "mgetgroups.h"
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#include "openat.h"
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#include "stat-time.h"
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#include "ignore-value.h"
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#include "macros.h"
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#ifndef BASE
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# define BASE "test-fchownat.t"
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#endif
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#include "test-chown.h"
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#include "test-lchown.h"
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static int dfd = AT_FDCWD;
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/* Wrapper around fchownat to test chown behavior. */
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static int
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do_chown (char const *name, uid_t user, gid_t group)
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{
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#ifdef TEST_CHOWNAT
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return chownat (dfd, name, user, group);
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#else
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return fchownat (dfd, name, user, group, 0);
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#endif
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}
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/* Wrapper around fchownat to test lchown behavior. */
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static int
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do_lchown (char const *name, uid_t user, gid_t group)
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{
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#ifdef TEST_CHOWNAT
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return lchownat (dfd, name, user, group);
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#else
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return fchownat (dfd, name, user, group, AT_SYMLINK_NOFOLLOW);
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#endif
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}
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int
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main (_GL_UNUSED int argc, char *argv[])
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{
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int result1; /* Skip because of no chown/symlink support. */
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int result2; /* Skip because of no lchown support. */
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/* Clean up any trash from prior testsuite runs. */
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ignore_value (system ("rm -rf " BASE "*"));
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/* Test behaviour for invalid file descriptors. */
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{
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errno = 0;
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ASSERT (fchownat (AT_FDCWD == -2 ? -1 : -2, "foo", getuid (), getgid (), 0)
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== -1);
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ASSERT (errno == EBADF);
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}
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{
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close (99);
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errno = 0;
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ASSERT (fchownat (99, "foo", getuid (), getgid (), 0) == -1);
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ASSERT (errno == EBADF);
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}
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/* Basic tests. */
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result1 = test_chown (do_chown, true);
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result2 = test_lchown (do_lchown, result1 == 0);
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dfd = open (".", O_RDONLY);
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ASSERT (0 <= dfd);
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ASSERT (test_chown (do_chown, false) == result1);
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ASSERT (test_lchown (do_lchown, false) == result2);
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/* We expect 0/0, 0/77, or 77/77, but not 77/0. */
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ASSERT (result1 <= result2);
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ASSERT (close (dfd) == 0);
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/* FIXME - add additional tests of dfd not at current directory. */
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int result = result1 | result2;
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return (result ? result : test_exit_status);
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}
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