1/*
2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "tests.h"
29#include <stdio.h>
30#include <string.h>
31#include <stdint.h>
32#include <unistd.h>
33#include <sys/socket.h>
34#include "netlink.h"
35#include <linux/xfrm.h>
36
37static void
38test_nlmsg_type(const int fd)
39{
40	long rc;
41	struct nlmsghdr nlh = {
42		.nlmsg_len = sizeof(nlh),
43		.nlmsg_type = XFRM_MSG_NEWSA,
44		.nlmsg_flags = NLM_F_REQUEST,
45	};
46
47	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
48	printf("sendto(%d, {len=%u, type=XFRM_MSG_NEWSA"
49	       ", flags=NLM_F_REQUEST, seq=0, pid=0}"
50	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
51	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));
52}
53
54static void
55test_nlmsg_flags(const int fd)
56{
57	long rc;
58	struct nlmsghdr nlh = {
59		.nlmsg_len = sizeof(nlh),
60	};
61
62	nlh.nlmsg_type = XFRM_MSG_GETSA;
63	nlh.nlmsg_flags = NLM_F_DUMP;
64	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
65	printf("sendto(%d, {len=%u, type=XFRM_MSG_GETSA"
66	       ", flags=NLM_F_DUMP, seq=0, pid=0}"
67	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
68	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));
69
70	nlh.nlmsg_type = XFRM_MSG_NEWSA;
71	nlh.nlmsg_flags = NLM_F_REPLACE;
72	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
73	printf("sendto(%d, {len=%u, type=XFRM_MSG_NEWSA"
74	       ", flags=NLM_F_REPLACE, seq=0, pid=0}"
75	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
76	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));
77
78	nlh.nlmsg_type = XFRM_MSG_DELSA;
79	nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_NONREC;
80	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
81	printf("sendto(%d, {len=%u, type=XFRM_MSG_DELSA"
82	       ", flags=NLM_F_ECHO|NLM_F_NONREC, seq=0, pid=0}"
83	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
84	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));
85
86	nlh.nlmsg_type = XFRM_MSG_ALLOCSPI;
87	nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_REPLACE;
88	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
89	printf("sendto(%d, {len=%u, type=XFRM_MSG_ALLOCSPI"
90	       ", flags=NLM_F_ECHO|%#x, seq=0, pid=0}"
91	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
92	       fd, nlh.nlmsg_len, NLM_F_REPLACE,
93	       (unsigned) sizeof(nlh), sprintrc(rc));
94}
95
96int main(void)
97{
98	skip_if_unavailable("/proc/self/fd/");
99
100	int fd = create_nl_socket(NETLINK_XFRM);
101
102	test_nlmsg_type(fd);
103	test_nlmsg_flags(fd);
104
105	printf("+++ exited with 0 +++\n");
106
107	return 0;
108}
109