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#include <stdio.h>
32#include "test_nlattr.h"
33#include <linux/rtnetlink.h>
34
35static void
36init_tcamsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
37{
38	SET_STRUCT(struct nlmsghdr, nlh,
39		.nlmsg_len = msg_len,
40		.nlmsg_type = RTM_GETACTION,
41		.nlmsg_flags = NLM_F_DUMP
42	);
43
44	struct tcamsg *const msg = NLMSG_DATA(nlh);
45	SET_STRUCT(struct tcamsg, msg,
46		.tca_family = AF_INET
47	);
48}
49
50static void
51print_tcamsg(const unsigned int msg_len)
52{
53	printf("{len=%u, type=RTM_GETACTION, flags=NLM_F_DUMP"
54	       ", seq=0, pid=0}, {tca_family=AF_INET}",
55	       msg_len);
56}
57
58int
59main(void)
60{
61	skip_if_unavailable("/proc/self/fd/");
62
63	const int fd = create_nl_socket(NETLINK_ROUTE);
64	const unsigned int hdrlen = sizeof(struct tcamsg);
65	void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
66
67	static char pattern[4096];
68	fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
69
70	const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
71	char nla_type_str[256];
72	sprintf(nla_type_str, "%#x /* TCA_ACT_??? */", nla_type);
73	TEST_NLATTR_(fd, nlh0, hdrlen,
74		     init_tcamsg, print_tcamsg,
75		     nla_type, nla_type_str,
76		     4, pattern, 4,
77		     print_quoted_hex(pattern, 4));
78
79	puts("+++ exited with 0 +++");
80	return 0;
81}
82