1 /*
2 * This file is part of net-yy-netlink strace test.
3 *
4 * Copyright (c) 2013-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "tests.h"
32 #include <stddef.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <stdint.h>
36 #include <string.h>
37 #include <unistd.h>
38 #include <sys/socket.h>
39 #include <linux/netlink.h>
40 #include <linux/sock_diag.h>
41 #include <linux/netlink_diag.h>
42
43 #if !defined NETLINK_SOCK_DIAG && defined NETLINK_INET_DIAG
44 # define NETLINK_SOCK_DIAG NETLINK_INET_DIAG
45 #endif
46
47 int
main(void)48 main(void)
49 {
50 unsigned magic = 1234;
51 struct sockaddr_nl addr = {
52 .nl_family = AF_NETLINK,
53 .nl_pid = 1234
54 };
55 struct sockaddr *const sa = tail_memdup(&addr, sizeof(addr));
56 socklen_t * const len = tail_alloc(sizeof(socklen_t));
57 *len = sizeof(addr);
58
59 const int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG);
60 if (fd < 0)
61 perror_msg_and_skip("socket");
62 const unsigned long inode = inode_of_sockfd(fd);
63 printf("socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG) = "
64 "%d<NETLINK:[%lu]>\n", fd, inode);
65
66 if (bind(fd, sa, *len))
67 perror_msg_and_skip("bind");
68 printf("bind(%d<NETLINK:[%lu]>, {sa_family=AF_NETLINK"
69 ", nl_pid=%u, nl_groups=00000000}, %u) = 0\n",
70 fd, inode, magic, (unsigned) *len);
71
72 if (getsockname(fd, sa, len))
73 perror_msg_and_fail("getsockname");
74 printf("getsockname(%d<NETLINK:[SOCK_DIAG:%u]>, {sa_family=AF_NETLINK"
75 ", nl_pid=%u, nl_groups=00000000}, [%u]) = 0\n",
76 fd, magic, magic, (unsigned) *len);
77
78 if (close(fd))
79 perror_msg_and_fail("close");
80 printf("close(%d<NETLINK:[SOCK_DIAG:%u]>) = 0\n", fd, magic);
81
82 puts("+++ exited with 0 +++");
83 return 0;
84 }
85