1 /* $NetBSD: ipsec.c,v 1.4 2012/01/04 16:09:43 drochner Exp $ */
4 * Copyright (C) 1999 WIDE Project.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
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32 #include <sys/param.h>
34 #include <sys/socket.h>
36 #include <netinet/in.h>
37 #include <arpa/inet.h>
46 #include <netipsec/ipsec.h>
47 #ifndef IPSEC_POLICY_IPSEC /* no ipsec support on old ipsec */
56 ipsecsetup(int af
, int fd
, const char *policy
)
61 if (!policy
|| policy
== '\0')
62 p0
= p
= strdup("in entrust; out entrust");
64 p0
= p
= strdup(policy
);
71 while (*p
&& isspace((unsigned char)*p
))
77 error
= ipsecsetup0(af
, fd
, p
, 1);
88 ipsecsetup_test(const char *policy
)
96 p0
= p
= strdup(policy
);
105 while (*p
&& isspace((unsigned char)*p
))
111 buf
= ipsec_set_policy(p
, (int)strlen(p
));
125 ipsecsetup0(int af
, int fd
, const char *policy
, int commit
)
135 opt
= IP_IPSEC_POLICY
;
139 level
= IPPROTO_IPV6
;
140 opt
= IPV6_IPSEC_POLICY
;
147 buf
= ipsec_set_policy(policy
, (int)strlen(policy
));
150 if (commit
&& setsockopt(fd
, level
, opt
,
151 buf
, (socklen_t
)ipsec_get_policylen(buf
)) < 0) {