xref: /freebsd/sbin/setkey/test-policy.c (revision 4543ef516683042d46f3bd3bb8a4f3f746e00499)
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 
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/socket.h>
35 #include <netinet/in.h>
36 #include <netinet6/in6.h>
37 #include <netipsec/ipsec.h>
38 #include <stdlib.h>
39 #include <string.h>
40 
41 
42 char *requests[] = {
43 "must_error",		/* must be error */
44 "ipsec must_error",	/* must be error */
45 "ipsec esp/must_error",	/* must be error */
46 "discard",
47 "none",
48 "entrust",
49 "bypass",		/* may be error */
50 "ipsec esp",		/* must be error */
51 "ipsec ah/require",
52 "ipsec ah/use/",
53 "ipsec esp/require ah/default/203.178.141.194",
54 "ipsec ah/use/203.178.141.195 esp/use/203.178.141.194",
55 "ipsec esp/elf.wide.ydc.co.jp esp/www.wide.ydc.co.jp"
56 "
57 ipsec esp/require ah/use esp/require/10.0.0.1
58 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1
59 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::1 ah/use/3ffe:501:481d::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::1ah/use/3ffe:501:481d::1
66 ",
67 };
68 
69 u_char	*p_secpolicy;
70 
71 int	test(char *buf, int family);
72 char	*setpolicy(char *req);
73 
74 main()
75 {
76 	int i;
77 	char *buf;
78 
79 	for (i = 0; i < nitems(requests); i++) {
80 		printf("* requests:[%s]\n", requests[i]);
81 		if ((buf = setpolicy(requests[i])) == NULL)
82 			continue;
83 		printf("\tsetlen:%d\n", PFKEY_EXTLEN(buf));
84 
85 		printf("\tPF_INET:\n");
86 		test(buf, PF_INET);
87 
88 		printf("\tPF_INET6:\n");
89 		test(buf, PF_INET6);
90 		free(buf);
91 	}
92 }
93 
94 int test(char *policy, int family)
95 {
96 	int so, proto, optname;
97 	int len;
98 	char getbuf[1024];
99 
100 	switch (family) {
101 	case PF_INET:
102 		proto = IPPROTO_IP;
103 		optname = IP_IPSEC_POLICY;
104 		break;
105 	case PF_INET6:
106 		proto = IPPROTO_IPV6;
107 		optname = IPV6_IPSEC_POLICY;
108 		break;
109 	}
110 
111 	if ((so = socket(family, SOCK_DGRAM, 0)) < 0)
112 		perror("socket");
113 
114 	if (setsockopt(so, proto, optname, policy, PFKEY_EXTLEN(policy)) < 0)
115 		perror("setsockopt");
116 
117 	len = sizeof(getbuf);
118 	memset(getbuf, 0, sizeof(getbuf));
119 	if (getsockopt(so, proto, optname, getbuf, &len) < 0)
120 		perror("getsockopt");
121 
122     {
123 	char *buf = NULL;
124 
125 	printf("\tgetlen:%d\n", len);
126 
127 	if ((buf = ipsec_dump_policy(getbuf, NULL)) == NULL)
128 		ipsec_strerror();
129 	else
130 		printf("\t[%s]\n", buf);
131 
132 	free(buf);
133     }
134 
135 	close (so);
136 }
137 
138 char *setpolicy(char *req)
139 {
140 	int len;
141 	char *buf;
142 
143 	if ((len = ipsec_get_policylen(req)) < 0) {
144 		printf("ipsec_get_policylen: %s\n", ipsec_strerror());
145 		return NULL;
146 	}
147 
148 	if ((buf = malloc(len)) == NULL) {
149 		perror("malloc");
150 		return NULL;
151 	}
152 
153 	if ((len = ipsec_set_policy(buf, len, req)) < 0) {
154 		printf("ipsec_set_policy: %s\n", ipsec_strerror());
155 		free(buf);
156 		return NULL;
157 	}
158 
159 	return buf;
160 }
161