1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 * 07/2001 Ported by Wayne Boyer
5 */
6
7 /*\
8 * [Description]
9 *
10 * Testcase to test that sendfile(2) system call returns EBADF when passing
11 * wrong out_fd or in_fd.
12 *
13 * There are four cases:
14 *
15 * - in_fd == -1
16 * - out_fd = -1
17 * - in_fd opened with O_WRONLY
18 * - out_fd opened with O_RDONLY
19 */
20
21 #include <sys/sendfile.h>
22 #include "tst_test.h"
23
24 static int in_fd;
25 static int out_fd;
26 static int negative_fd = -1;
27
28 struct test_case_t {
29 int *in_fd;
30 int *out_fd;
31 const char *desc;
32 } tc[] = {
33 {&in_fd, &negative_fd, "out_fd=-1"},
34 {&in_fd, &in_fd, "out_fd=O_RDONLY"},
35 {&negative_fd, &out_fd, "in_fd=-1"},
36 {&out_fd, &out_fd, "out_fd=O_WRONLY"},
37 };
38
setup(void)39 static void setup(void)
40 {
41 in_fd = SAFE_OPEN("in_file", O_CREAT | O_RDONLY, 0600);
42 out_fd = SAFE_CREAT("out_file", 0600);
43 }
44
cleanup(void)45 static void cleanup(void)
46 {
47 SAFE_CLOSE(in_fd);
48 SAFE_CLOSE(out_fd);
49 }
50
run(unsigned int i)51 static void run(unsigned int i)
52 {
53 TST_EXP_FAIL2(sendfile(*(tc[i].out_fd), *(tc[i].in_fd), NULL, 1),
54 EBADF, "sendfile(..) with %s", tc[i].desc);
55 }
56
57 static struct tst_test test = {
58 .tcnt = ARRAY_SIZE(tc),
59 .needs_tmpdir = 1,
60 .cleanup = cleanup,
61 .setup = setup,
62 .test = run,
63 };
64