72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* 07/2001 Ported by Wayne Boyer
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* Copyright (C) 2021 SUSE LLC <mdoucha@suse.cz>
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*/
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/*\
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* [Description]
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*
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* Check that renaming/moving a file from directory where the current user does
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* not have write permissions fails with EACCES.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include "tst_test.h"
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#include "tst_safe_file_ops.h"
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#include "tst_uid.h"
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#define SRCDIR "srcdir"
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#define DESTDIR "destdir"
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#define SRCFILE SRCDIR "/file"
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#define DESTFILE DESTDIR "/file"
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#define PERMS 0700
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static uid_t orig_uid, test_users[2];
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static char *tmpdir;
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static void setup(void)
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{
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umask(0);
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orig_uid = getuid();
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tst_get_uids(test_users, 0, 2);
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tmpdir = tst_get_tmpdir();
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}
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static void run(void)
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{
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gid_t curgid = getgid();
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SAFE_MKDIR(SRCDIR, PERMS);
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SAFE_TOUCH(SRCFILE, PERMS, NULL);
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SAFE_CHOWN(SRCDIR, test_users[0], curgid);
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SAFE_CHOWN(SRCFILE, test_users[0], curgid);
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SAFE_SETEUID(test_users[1]);
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SAFE_MKDIR(DESTDIR, PERMS);
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SAFE_TOUCH(DESTFILE, PERMS, NULL);
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TST_EXP_FAIL(rename(SRCFILE, DESTFILE), EACCES, "rename()");
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/* Cleanup between loops */
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SAFE_SETEUID(orig_uid);
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tst_purge_dir(tmpdir);
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}
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static void cleanup(void)
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{
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free(tmpdir);
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}
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static struct tst_test test = {
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.test_all = run,
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.setup = setup,
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.cleanup = cleanup,
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.needs_root = 1,
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.needs_tmpdir = 1,
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};
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