73 lines
1.6 KiB
C
73 lines
1.6 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 John George
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* Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
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*/
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/*\
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* [Description]
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*
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* Verify that system call utime() fails with
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* - EACCES when times argument is NULL and user does not have rights
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* to modify the file.
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* - ENOENT when specified file does not exist.
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* - EPERM when times argument is not NULL and user does not have rights
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* to modify the file.
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* - EROFS when the path resides on a read-only filesystem.
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*/
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#include <pwd.h>
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#include <utime.h>
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#include "tst_test.h"
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#define TEMP_FILE "tmp_file"
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#define MNT_POINT "mntpoint"
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#define FILE_MODE 0644
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#define TEST_USERNAME "nobody"
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static const struct utimbuf times;
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static struct tcase {
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char *pathname;
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int exp_errno;
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const struct utimbuf *utimbuf;
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char *err_desc;
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} tcases[] = {
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{TEMP_FILE, EACCES, NULL, "No write access"},
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{"", ENOENT, NULL, "File not exist"},
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{TEMP_FILE, EPERM, ×, "Not file owner"},
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{MNT_POINT, EROFS, NULL, "Read-only filesystem"}
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};
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static void setup(void)
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{
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struct passwd *pw;
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SAFE_TOUCH(TEMP_FILE, FILE_MODE, NULL);
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pw = SAFE_GETPWNAM(TEST_USERNAME);
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tst_res(TINFO, "Switching effective user ID to user: %s", pw->pw_name);
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SAFE_SETEUID(pw->pw_uid);
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}
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static void run(unsigned int i)
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{
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struct tcase *tc = &tcases[i];
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TST_EXP_FAIL(utime(tc->pathname, tc->utimbuf),
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tc->exp_errno, "%s", tc->err_desc);
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}
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static struct tst_test test = {
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.setup = setup,
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.test = run,
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.tcnt = ARRAY_SIZE(tcases),
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.needs_root = 1,
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.needs_tmpdir = 1,
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.mntpoint = MNT_POINT,
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.needs_rofs = 1
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};
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