xref: /freebsd/sbin/setkey/test-policy.c (revision 1de7b4b805ddbf2429da511c053686ac4591ed89)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the project nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $FreeBSD$
32  */
33 
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/socket.h>
37 #include <netinet/in.h>
38 #include <netinet6/in6.h>
39 #include <netipsec/ipsec.h>
40 #include <stdlib.h>
41 #include <string.h>
42 
43 
44 char *requests[] = {
45 "must_error",		/* must be error */
46 "ipsec must_error",	/* must be error */
47 "ipsec esp/must_error",	/* must be error */
48 "discard",
49 "none",
50 "entrust",
51 "bypass",		/* may be error */
52 "ipsec esp",		/* must be error */
53 "ipsec ah/require",
54 "ipsec ah/use/",
55 "ipsec esp/require ah/default/203.178.141.194",
56 "ipsec ah/use/203.178.141.195 esp/use/203.178.141.194",
57 "ipsec esp/elf.wide.ydc.co.jp esp/www.wide.ydc.co.jp"
58 "
59 ipsec esp/require ah/use esp/require/10.0.0.1
60 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
61 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
62 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
63 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
64 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
65 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
66 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
67 ah/use/3ffe:501:481d::1  ah/use/3ffe:501:481d::1ah/use/3ffe:501:481d::1
68 ",
69 };
70 
71 u_char	*p_secpolicy;
72 
73 int	test(char *buf, int family);
74 char	*setpolicy(char *req);
75 
76 main()
77 {
78 	int i;
79 	char *buf;
80 
81 	for (i = 0; i < nitems(requests); i++) {
82 		printf("* requests:[%s]\n", requests[i]);
83 		if ((buf = setpolicy(requests[i])) == NULL)
84 			continue;
85 		printf("\tsetlen:%d\n", PFKEY_EXTLEN(buf));
86 
87 		printf("\tPF_INET:\n");
88 		test(buf, PF_INET);
89 
90 		printf("\tPF_INET6:\n");
91 		test(buf, PF_INET6);
92 		free(buf);
93 	}
94 }
95 
96 int test(char *policy, int family)
97 {
98 	int so, proto, optname;
99 	int len;
100 	char getbuf[1024];
101 
102 	switch (family) {
103 	case PF_INET:
104 		proto = IPPROTO_IP;
105 		optname = IP_IPSEC_POLICY;
106 		break;
107 	case PF_INET6:
108 		proto = IPPROTO_IPV6;
109 		optname = IPV6_IPSEC_POLICY;
110 		break;
111 	}
112 
113 	if ((so = socket(family, SOCK_DGRAM, 0)) < 0)
114 		perror("socket");
115 
116 	if (setsockopt(so, proto, optname, policy, PFKEY_EXTLEN(policy)) < 0)
117 		perror("setsockopt");
118 
119 	len = sizeof(getbuf);
120 	memset(getbuf, 0, sizeof(getbuf));
121 	if (getsockopt(so, proto, optname, getbuf, &len) < 0)
122 		perror("getsockopt");
123 
124     {
125 	char *buf = NULL;
126 
127 	printf("\tgetlen:%d\n", len);
128 
129 	if ((buf = ipsec_dump_policy(getbuf, NULL)) == NULL)
130 		ipsec_strerror();
131 	else
132 		printf("\t[%s]\n", buf);
133 
134 	free(buf);
135     }
136 
137 	close (so);
138 }
139 
140 char *setpolicy(char *req)
141 {
142 	int len;
143 	char *buf;
144 
145 	if ((len = ipsec_get_policylen(req)) < 0) {
146 		printf("ipsec_get_policylen: %s\n", ipsec_strerror());
147 		return NULL;
148 	}
149 
150 	if ((buf = malloc(len)) == NULL) {
151 		perror("malloc");
152 		return NULL;
153 	}
154 
155 	if ((len = ipsec_set_policy(buf, len, req)) < 0) {
156 		printf("ipsec_set_policy: %s\n", ipsec_strerror());
157 		free(buf);
158 		return NULL;
159 	}
160 
161 	return buf;
162 }
163