1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 * Author: Wayne Boyer and William Roske
5 *
6 * Test Description:
7 * fchmod() will succeed to change the mode permissions of a file specified
8 * by file descriptor.
9 */
10
11 #include <errno.h>
12
13 #include "tst_test.h"
14 #include "fchmod.h"
15
16 static int fd;
17 static int modes[] = { 0, 07, 070, 0700, 0777, 02777, 04777, 06777 };
18
verify_fchmod(void)19 static void verify_fchmod(void)
20 {
21 struct stat stat_buf;
22 int ind;
23 mode_t file_mode, mode;
24
25 for (ind = 0; ind < 8; ind++) {
26 mode = (mode_t)modes[ind];
27
28 TEST(fchmod(fd, mode));
29 if (TST_RET == -1)
30 tst_res(TFAIL | TTERRNO, "fchmod() failed unexpectly");
31
32 SAFE_FSTAT(fd, &stat_buf);
33 file_mode = stat_buf.st_mode;
34
35 if ((file_mode & ~S_IFREG) != mode) {
36 tst_res(TFAIL,
37 "%s: Incorrect modes 0%03o, Expected 0%03o",
38 TESTFILE, file_mode & ~S_IFREG, mode);
39 } else {
40 tst_res(TPASS,
41 "Functionality of fchmod(%d, %#o) successful",
42 fd, mode);
43 }
44 }
45 }
46
setup(void)47 static void setup(void)
48 {
49 fd = SAFE_OPEN(TESTFILE, O_RDWR | O_CREAT, FILE_MODE);
50 }
51
cleanup(void)52 static void cleanup(void)
53 {
54 if (fd > 0)
55 SAFE_CLOSE(fd);
56 }
57
58 static struct tst_test test = {
59 .test_all = verify_fchmod,
60 .setup = setup,
61 .cleanup = cleanup,
62 .needs_tmpdir = 1,
63 };
64