1 /*
2 * This file is part of net-yy-netlink strace test.
3 *
4 * Copyright (c) 2013-2017 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 "netlink.h"
40 #include <linux/sock_diag.h>
41 #include <linux/netlink_diag.h>
42
43 int
main(void)44 main(void)
45 {
46 skip_if_unavailable("/proc/self/fd/");
47
48 struct sockaddr_nl addr = {
49 .nl_family = AF_NETLINK,
50 .nl_pid = getpid()
51 };
52 struct sockaddr *const sa = tail_memdup(&addr, sizeof(addr));
53 TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
54 *len = sizeof(addr);
55
56 const int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG);
57 if (fd < 0)
58 perror_msg_and_skip("socket");
59 const unsigned long inode = inode_of_sockfd(fd);
60 printf("socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG) = "
61 "%d<NETLINK:[%lu]>\n", fd, inode);
62
63 if (bind(fd, sa, *len))
64 perror_msg_and_skip("bind");
65 printf("bind(%d<NETLINK:[%lu]>, {sa_family=AF_NETLINK"
66 ", nl_pid=%u, nl_groups=00000000}, %u) = 0\n",
67 fd, inode, addr.nl_pid, (unsigned) *len);
68
69 if (getsockname(fd, sa, len))
70 perror_msg_and_fail("getsockname");
71 printf("getsockname(%d<NETLINK:[SOCK_DIAG:%u]>, {sa_family=AF_NETLINK"
72 ", nl_pid=%u, nl_groups=00000000}, [%u]) = 0\n",
73 fd, addr.nl_pid, addr.nl_pid, (unsigned) *len);
74
75 if (close(fd))
76 perror_msg_and_fail("close");
77 printf("close(%d<NETLINK:[SOCK_DIAG:%u]>) = 0\n", fd, addr.nl_pid);
78
79 puts("+++ exited with 0 +++");
80 return 0;
81 }
82