1/*
2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3 * Copyright (c) 2017 The strace developers.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "tests.h"
30
31#ifdef HAVE_STRUCT_BR_PORT_MSG
32
33# include <stdio.h>
34# include <netinet/in.h>
35# include "test_nlattr.h"
36# include <linux/if_bridge.h>
37# include <linux/rtnetlink.h>
38
39static void
40init_br_port_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
41{
42	SET_STRUCT(struct nlmsghdr, nlh,
43		.nlmsg_len = msg_len,
44		.nlmsg_type = RTM_GETMDB,
45		.nlmsg_flags = NLM_F_DUMP
46	);
47
48	struct br_port_msg *const msg = NLMSG_DATA(nlh);
49	SET_STRUCT(struct br_port_msg, msg,
50		.family = AF_UNIX,
51		.ifindex = ifindex_lo()
52	);
53}
54
55static void
56print_br_port_msg(const unsigned int msg_len)
57{
58	printf("{len=%u, type=RTM_GETMDB, flags=NLM_F_DUMP"
59	       ", seq=0, pid=0}, {family=AF_UNIX"
60	       ", ifindex=" IFINDEX_LO_STR "}",
61	       msg_len);
62}
63
64int
65main(void)
66{
67	skip_if_unavailable("/proc/self/fd/");
68
69	const int fd = create_nl_socket(NETLINK_ROUTE);
70
71	const unsigned int hdrlen = sizeof(struct br_port_msg);
72	void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
73
74	static char pattern[4096];
75	fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
76
77	const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
78	char nla_type_str[256];
79	sprintf(nla_type_str, "%#x /* MDBA_??? */", nla_type);
80	TEST_NLATTR_(fd, nlh0, hdrlen,
81		     init_br_port_msg, print_br_port_msg,
82		     nla_type, nla_type_str,
83		     4, pattern, 4,
84		     print_quoted_hex(pattern, 4));
85
86	puts("+++ exited with 0 +++");
87	return 0;
88}
89
90#else
91
92SKIP_MAIN_UNDEFINED("HAVE_STRUCT_BR_PORT_MSG")
93
94#endif
95