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 * Copyright (C) 2024 SUSE LLC Andrea Manzini <[email protected]>
6 */
7
8 /*\
9 * [Description]
10 * Verify that getsockname() returns the proper errno for various failure cases:
11 *
12 * - EBADF on a not open file
13 * - ENOTSOCK on a file descriptor not linked to a socket
14 * - EFAULT on invalid socket buffer o invalid socklen
15 * - EINVALI on an invalid addrlen
16 */
17
18 #include "tst_test.h"
19
20 static struct sockaddr_in sin0, fsin1;
21 static int sock_null, sock_bind, sock_fake;
22 static socklen_t sinlen;
23 static socklen_t sininval = -1;
24
25 static struct test_case {
26 int *sock;
27 struct sockaddr_in *sockaddr;
28 socklen_t *addrlen;
29 int experrno;
30 char *desc;
31 } tcases[] = {
32 { .sock = &sock_fake, .sockaddr = &fsin1, .addrlen = &sinlen,
33 .experrno = EBADF, "bad file descriptor"},
34 { .sock = &sock_null, .sockaddr = &fsin1, .addrlen = &sinlen,
35 .experrno = ENOTSOCK, "bad file descriptor"},
36 { .sock = &sock_bind, .sockaddr = NULL, .addrlen = &sinlen,
37 .experrno = EFAULT, "invalid socket buffer"},
38 { .sock = &sock_bind, .sockaddr = &fsin1, .addrlen = NULL,
39 .experrno = EFAULT, "invalid aligned salen"},
40 { .sock = &sock_bind, .sockaddr = &fsin1, .addrlen = (socklen_t *) 1,
41 .experrno = EFAULT, "invalid unaligned salen"},
42 { .sock = &sock_bind, .sockaddr = &fsin1, .addrlen = &sininval,
43 .experrno = EINVAL, "invalid socklen"},
44 };
45
check_getsockname(unsigned int nr)46 static void check_getsockname(unsigned int nr)
47 {
48 struct test_case *tc = &tcases[nr];
49
50 TST_EXP_FAIL(getsockname(*(tc->sock), (struct sockaddr *) tc->sockaddr,
51 tc->addrlen), tc->experrno, "%s", tc->desc);
52 }
53
setup(void)54 static void setup(void)
55 {
56 sin0.sin_family = AF_INET;
57 sin0.sin_port = 0;
58 sin0.sin_addr.s_addr = INADDR_ANY;
59 sock_fake = 400;
60 sock_null = SAFE_OPEN("/dev/null", O_WRONLY);
61 sock_bind = SAFE_SOCKET(PF_INET, SOCK_STREAM, 0);
62 SAFE_BIND(sock_bind, (struct sockaddr *)&sin0, sizeof(sin0));
63 sinlen = sizeof(sin0);
64 }
65
66 static struct tst_test test = {
67 .setup = setup,
68 .test = check_getsockname,
69 .tcnt = ARRAY_SIZE(tcases),
70 };
71