[ff36f5e] | 1 | /* $NetBSD: remoteconf.c,v 1.26 2011/03/14 15:50:36 vanhu Exp $ */ |
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| 2 | |
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| 3 | /* Id: remoteconf.c,v 1.38 2006/05/06 15:52:44 manubsd Exp */ |
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| 4 | |
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| 5 | /* |
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| 6 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions |
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| 11 | * are met: |
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| 12 | * 1. Redistributions of source code must retain the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer. |
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 15 | * notice, this list of conditions and the following disclaimer in the |
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| 16 | * documentation and/or other materials provided with the distribution. |
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| 17 | * 3. Neither the name of the project nor the names of its contributors |
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| 18 | * may be used to endorse or promote products derived from this software |
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| 19 | * without specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 31 | * SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | #include "config.h" |
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| 35 | |
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| 36 | #include <sys/types.h> |
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| 37 | #include <sys/param.h> |
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| 38 | #include <sys/socket.h> |
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| 39 | #include <sys/queue.h> |
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| 40 | |
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| 41 | #include <netinet/in.h> |
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| 42 | #include <netinet/in_systm.h> |
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| 43 | #include <netinet/ip.h> |
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| 44 | |
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| 45 | #include PATH_IPSEC_H |
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| 46 | |
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| 47 | #include <stdlib.h> |
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| 48 | #include <stdio.h> |
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| 49 | #include <string.h> |
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| 50 | #include <errno.h> |
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| 51 | |
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| 52 | #include "var.h" |
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| 53 | #include "misc.h" |
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| 54 | #include "vmbuf.h" |
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| 55 | #include "plog.h" |
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| 56 | #include "sockmisc.h" |
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| 57 | #include "genlist.h" |
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| 58 | #include "debug.h" |
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| 59 | |
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| 60 | #include "isakmp_var.h" |
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| 61 | #ifdef ENABLE_HYBRID |
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| 62 | #include "isakmp_xauth.h" |
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| 63 | #endif |
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| 64 | #include "isakmp.h" |
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| 65 | #include "ipsec_doi.h" |
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| 66 | #include "crypto_openssl.h" |
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| 67 | #include "oakley.h" |
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| 68 | #include "remoteconf.h" |
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| 69 | #include "localconf.h" |
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| 70 | #include "grabmyaddr.h" |
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| 71 | #include "policy.h" |
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| 72 | #include "proposal.h" |
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| 73 | #include "vendorid.h" |
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| 74 | #include "gcmalloc.h" |
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| 75 | #include "strnames.h" |
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| 76 | #include "algorithm.h" |
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| 77 | #include "nattraversal.h" |
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| 78 | #include "isakmp_frag.h" |
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| 79 | #include "handler.h" |
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| 80 | #include "genlist.h" |
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| 81 | #include "rsalist.h" |
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| 82 | |
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| 83 | typedef TAILQ_HEAD(_rmtree, remoteconf) remoteconf_tailq_head_t; |
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| 84 | static remoteconf_tailq_head_t rmtree, rmtree_save; |
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| 85 | |
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| 86 | /* |
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| 87 | * Script hook names and script hook paths |
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| 88 | */ |
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| 89 | char *script_names[SCRIPT_MAX + 1] = { |
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| 90 | "phase1_up", "phase1_down", "phase1_dead" }; |
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| 91 | |
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| 92 | /*%%%*/ |
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| 93 | |
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| 94 | int |
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| 95 | rmconf_match_identity(rmconf, id_p) |
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| 96 | struct remoteconf *rmconf; |
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| 97 | vchar_t *id_p; |
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| 98 | { |
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| 99 | struct ipsecdoi_id_b *id_b = (struct ipsecdoi_id_b *) id_p->v; |
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| 100 | struct sockaddr *sa; |
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| 101 | caddr_t sa1, sa2; |
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| 102 | vchar_t ident; |
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| 103 | struct idspec *id; |
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| 104 | struct genlist_entry *gpb; |
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| 105 | |
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| 106 | /* compare with the ID if specified. */ |
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| 107 | if (!genlist_next(rmconf->idvl_p, 0)) |
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| 108 | return 0; |
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| 109 | |
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| 110 | for (id = genlist_next(rmconf->idvl_p, &gpb); id; id = genlist_next(0, &gpb)) { |
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| 111 | /* No ID specified in configuration, so it is ok */ |
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| 112 | if (id->id == 0) |
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| 113 | return 0; |
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| 114 | |
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| 115 | /* check the type of both IDs */ |
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| 116 | if (id->idtype != doi2idtype(id_b->type)) |
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| 117 | continue; /* ID type mismatch */ |
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| 118 | |
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| 119 | /* compare defined ID with the ID sent by peer. */ |
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| 120 | switch (id->idtype) { |
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| 121 | case IDTYPE_ASN1DN: |
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| 122 | ident.v = id_p->v + sizeof(*id_b); |
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| 123 | ident.l = id_p->l - sizeof(*id_b); |
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| 124 | if (eay_cmp_asn1dn(id->id, &ident) == 0) |
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| 125 | return 0; |
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| 126 | break; |
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| 127 | case IDTYPE_ADDRESS: |
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| 128 | sa = (struct sockaddr *)id->id->v; |
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| 129 | sa2 = (caddr_t)(id_b + 1); |
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| 130 | switch (sa->sa_family) { |
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| 131 | case AF_INET: |
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| 132 | if (id_p->l - sizeof(*id_b) != sizeof(struct in_addr)) |
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| 133 | continue; /* ID value mismatch */ |
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| 134 | sa1 = (caddr_t) &((struct sockaddr_in *)sa)->sin_addr; |
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| 135 | if (memcmp(sa1, sa2, sizeof(struct in_addr)) == 0) |
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| 136 | return 0; |
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| 137 | break; |
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| 138 | #ifdef INET6 |
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| 139 | case AF_INET6: |
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| 140 | if (id_p->l - sizeof(*id_b) != sizeof(struct in6_addr)) |
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| 141 | continue; /* ID value mismatch */ |
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| 142 | sa1 = (caddr_t) &((struct sockaddr_in6 *)sa)->sin6_addr; |
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| 143 | if (memcmp(sa1, sa2, sizeof(struct in6_addr)) == 0) |
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| 144 | return 0; |
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| 145 | break; |
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| 146 | #endif |
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| 147 | default: |
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| 148 | break; |
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| 149 | } |
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| 150 | break; |
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| 151 | default: |
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| 152 | if (memcmp(id->id->v, id_b + 1, id->id->l) == 0) |
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| 153 | return 0; |
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| 154 | break; |
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| 155 | } |
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| 156 | } |
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| 157 | |
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| 158 | plog(LLV_WARNING, LOCATION, NULL, "No ID match.\n"); |
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| 159 | if (rmconf->verify_identifier) |
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| 160 | return ISAKMP_NTYPE_INVALID_ID_INFORMATION; |
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| 161 | |
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| 162 | return 0; |
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| 163 | } |
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| 164 | |
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| 165 | static int |
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| 166 | rmconf_match_etype_and_approval(rmconf, etype, approval) |
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| 167 | struct remoteconf *rmconf; |
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| 168 | int etype; |
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| 169 | struct isakmpsa *approval; |
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| 170 | { |
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| 171 | struct isakmpsa *p; |
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| 172 | |
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| 173 | if (check_etypeok(rmconf, (void *) (intptr_t) etype) == 0) |
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| 174 | return ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN; |
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| 175 | |
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| 176 | if (approval == NULL) |
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| 177 | return 0; |
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| 178 | |
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| 179 | if (etype == ISAKMP_ETYPE_AGG && |
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| 180 | approval->dh_group != rmconf->dh_group) |
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| 181 | return ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN; |
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| 182 | |
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| 183 | if (checkisakmpsa(rmconf->pcheck_level, approval, |
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| 184 | rmconf->proposal) == NULL) |
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| 185 | return ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN; |
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| 186 | |
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| 187 | return 0; |
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| 188 | } |
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| 189 | |
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| 190 | enum rmconf_match_t { |
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| 191 | MATCH_NONE = 0, |
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| 192 | MATCH_BASIC = 0x0000001, |
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| 193 | MATCH_ADDRESS = 0x0000002, |
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| 194 | MATCH_SA = 0x0000004, |
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| 195 | MATCH_IDENTITY = 0x0000008, |
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| 196 | MATCH_AUTH_IDENTITY = 0x0000010, |
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| 197 | }; |
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| 198 | |
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| 199 | static int |
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| 200 | rmconf_match_type(rmsel, rmconf) |
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| 201 | struct rmconfselector *rmsel; |
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| 202 | struct remoteconf *rmconf; |
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| 203 | { |
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| 204 | int ret = MATCH_NONE, tmp; |
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| 205 | |
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| 206 | /* No match at all: unwanted anonymous */ |
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| 207 | if ((rmsel->flags & GETRMCONF_F_NO_ANONYMOUS) && |
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| 208 | rmconf->remote->sa_family == AF_UNSPEC){ |
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| 209 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 210 | "Not matched: Anonymous conf.\n"); |
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| 211 | return MATCH_NONE; |
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| 212 | } |
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| 213 | |
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| 214 | if ((rmsel->flags & GETRMCONF_F_NO_PASSIVE) && rmconf->passive){ |
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| 215 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 216 | "Not matched: passive conf.\n"); |
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| 217 | return MATCH_NONE; |
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| 218 | } |
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| 219 | |
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| 220 | ret |= MATCH_BASIC; |
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| 221 | |
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| 222 | /* Check address */ |
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| 223 | if (rmsel->remote != NULL) { |
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| 224 | if (rmconf->remote->sa_family != AF_UNSPEC) { |
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| 225 | if (cmpsaddr(rmsel->remote, rmconf->remote) == CMPSADDR_MISMATCH){ |
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| 226 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 227 | "Not matched: address mismatch.\n"); |
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| 228 | return MATCH_NONE; |
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| 229 | } |
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| 230 | |
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| 231 | /* Address matched */ |
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| 232 | ret |= MATCH_ADDRESS; |
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| 233 | } |
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| 234 | } |
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| 235 | |
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| 236 | /* Check etype and approval */ |
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| 237 | if (rmsel->etype != ISAKMP_ETYPE_NONE) { |
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| 238 | tmp=rmconf_match_etype_and_approval(rmconf, rmsel->etype, |
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| 239 | rmsel->approval); |
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| 240 | if (tmp != 0){ |
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| 241 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 242 | "Not matched: etype (%d)/approval mismatch (%d).\n", rmsel->etype, tmp); |
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| 243 | return MATCH_NONE; |
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| 244 | } |
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| 245 | ret |= MATCH_SA; |
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| 246 | } |
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| 247 | |
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| 248 | /* Check identity */ |
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| 249 | if (rmsel->identity != NULL && rmconf->verify_identifier) { |
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| 250 | if (rmconf_match_identity(rmconf, rmsel->identity) != 0){ |
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| 251 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 252 | "Not matched: identity mismatch.\n"); |
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| 253 | return MATCH_NONE; |
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| 254 | } |
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| 255 | ret |= MATCH_IDENTITY; |
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| 256 | } |
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| 257 | |
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| 258 | /* Check certificate request */ |
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| 259 | if (rmsel->certificate_request != NULL) { |
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| 260 | if (oakley_get_certtype(rmsel->certificate_request) != |
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| 261 | oakley_get_certtype(rmconf->mycert)){ |
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| 262 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 263 | "Not matched: cert type mismatch.\n"); |
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| 264 | return MATCH_NONE; |
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| 265 | } |
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| 266 | |
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| 267 | if (rmsel->certificate_request->l > 1) { |
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| 268 | vchar_t *issuer; |
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| 269 | |
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| 270 | issuer = eay_get_x509asn1issuername(rmconf->mycert); |
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| 271 | if (rmsel->certificate_request->l - 1 != issuer->l || |
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| 272 | memcmp(rmsel->certificate_request->v + 1, |
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| 273 | issuer->v, issuer->l) != 0) { |
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| 274 | vfree(issuer); |
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| 275 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 276 | "Not matched: cert issuer mismatch.\n"); |
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| 277 | return MATCH_NONE; |
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| 278 | } |
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| 279 | vfree(issuer); |
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| 280 | } else { |
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| 281 | if (!rmconf->match_empty_cr){ |
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| 282 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 283 | "Not matched: empty certificate request.\n"); |
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| 284 | return MATCH_NONE; |
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| 285 | } |
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| 286 | } |
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| 287 | |
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| 288 | ret |= MATCH_AUTH_IDENTITY; |
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| 289 | } |
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| 290 | |
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| 291 | return ret; |
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| 292 | } |
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| 293 | |
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| 294 | void rmconf_selector_from_ph1(rmsel, iph1) |
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| 295 | struct rmconfselector *rmsel; |
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| 296 | struct ph1handle *iph1; |
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| 297 | { |
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| 298 | memset(rmsel, 0, sizeof(*rmsel)); |
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| 299 | rmsel->flags = 0; |
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| 300 | rmsel->remote = iph1->remote; |
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| 301 | rmsel->etype = iph1->etype; |
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| 302 | rmsel->approval = iph1->approval; |
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| 303 | rmsel->identity = iph1->id_p; |
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| 304 | rmsel->certificate_request = iph1->cr_p; |
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| 305 | } |
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| 306 | |
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| 307 | int |
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| 308 | enumrmconf(rmsel, enum_func, enum_arg) |
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| 309 | struct rmconfselector *rmsel; |
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| 310 | int (* enum_func)(struct remoteconf *rmconf, void *arg); |
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| 311 | void *enum_arg; |
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| 312 | { |
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| 313 | struct remoteconf *p; |
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| 314 | int ret = 0; |
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| 315 | |
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| 316 | RACOON_TAILQ_FOREACH_REVERSE(p, &rmtree, _rmtree, chain) { |
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| 317 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 318 | "Checking remote conf \"%s\" %s.\n", p->name, |
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| 319 | p->remote->sa_family == AF_UNSPEC ? |
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| 320 | "anonymous" : saddr2str(p->remote)); |
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| 321 | |
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| 322 | if (rmsel != NULL) { |
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| 323 | if (rmconf_match_type(rmsel, p) == MATCH_NONE){ |
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| 324 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
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| 325 | "Not matched.\n"); |
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| 326 | continue; |
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| 327 | } |
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| 328 | } |
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| 329 | |
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| 330 | plog(LLV_DEBUG2, LOCATION, NULL, |
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| 331 | "enumrmconf: \"%s\" matches.\n", p->name); |
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| 332 | |
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| 333 | ret = (*enum_func)(p, enum_arg); |
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| 334 | if (ret) |
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| 335 | break; |
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| 336 | } |
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| 337 | |
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| 338 | return ret; |
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| 339 | } |
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| 340 | |
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| 341 | struct rmconf_find_context { |
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| 342 | struct rmconfselector sel; |
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| 343 | |
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| 344 | struct remoteconf *rmconf; |
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| 345 | int match_type; |
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| 346 | int num_found; |
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| 347 | }; |
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| 348 | |
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| 349 | static int |
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| 350 | rmconf_find(rmconf, ctx) |
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| 351 | struct remoteconf *rmconf; |
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| 352 | void *ctx; |
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| 353 | { |
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| 354 | struct rmconf_find_context *fctx = (struct rmconf_find_context *) ctx; |
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| 355 | int match_type; |
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| 356 | |
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| 357 | /* First matching remote conf? */ |
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| 358 | match_type = rmconf_match_type(&fctx->sel, rmconf); |
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| 359 | |
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| 360 | if (fctx->rmconf != NULL) { |
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| 361 | /* More ambiguous matches are ignored. */ |
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| 362 | if (match_type < fctx->match_type) |
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| 363 | return 0; |
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| 364 | |
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| 365 | if (match_type == fctx->match_type) { |
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| 366 | /* Ambiguous match */ |
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| 367 | fctx->num_found++; |
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| 368 | return 0; |
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| 369 | } |
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| 370 | } |
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| 371 | |
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| 372 | /* More exact match found */ |
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| 373 | fctx->match_type = match_type; |
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| 374 | fctx->num_found = 1; |
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| 375 | fctx->rmconf = rmconf; |
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| 376 | |
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| 377 | return 0; |
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| 378 | } |
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| 379 | |
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| 380 | /* |
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| 381 | * search remote configuration. |
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| 382 | * don't use port number to search if its value is either IPSEC_PORT_ANY. |
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| 383 | * If matching anonymous entry, then new entry is copied from anonymous entry. |
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| 384 | * If no anonymous entry found, then return NULL. |
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| 385 | * OUT: NULL: NG |
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| 386 | * Other: remote configuration entry. |
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| 387 | */ |
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| 388 | |
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| 389 | struct remoteconf * |
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| 390 | getrmconf(remote, flags) |
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| 391 | struct sockaddr *remote; |
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| 392 | int flags; |
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| 393 | { |
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| 394 | struct rmconf_find_context ctx; |
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| 395 | int n = 0; |
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| 396 | |
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| 397 | memset(&ctx, 0, sizeof(ctx)); |
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| 398 | ctx.sel.flags = flags; |
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| 399 | ctx.sel.remote = remote; |
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| 400 | |
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| 401 | if (enumrmconf(&ctx.sel, rmconf_find, &ctx) != 0) { |
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| 402 | plog(LLV_ERROR, LOCATION, remote, |
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| 403 | "multiple exact configurations.\n"); |
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| 404 | return NULL; |
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| 405 | } |
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| 406 | |
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| 407 | if (ctx.rmconf == NULL) { |
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| 408 | plog(LLV_DEBUG, LOCATION, remote, |
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| 409 | "no remote configuration found.\n"); |
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| 410 | return NULL; |
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| 411 | } |
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| 412 | |
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| 413 | if (ctx.num_found != 1) { |
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| 414 | plog(LLV_DEBUG, LOCATION, remote, |
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| 415 | "multiple non-exact configurations found.\n"); |
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| 416 | return NULL; |
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| 417 | } |
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| 418 | |
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| 419 | plog(LLV_DEBUG, LOCATION, remote, |
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| 420 | "configuration \"%s\" selected.\n", |
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| 421 | ctx.rmconf->name); |
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| 422 | |
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| 423 | return ctx.rmconf; |
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| 424 | } |
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| 425 | |
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| 426 | struct remoteconf * |
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| 427 | getrmconf_by_ph1(iph1) |
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| 428 | struct ph1handle *iph1; |
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| 429 | { |
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| 430 | struct rmconf_find_context ctx; |
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| 431 | |
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| 432 | memset(&ctx, 0, sizeof(ctx)); |
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| 433 | rmconf_selector_from_ph1(&ctx.sel, iph1); |
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| 434 | if (loglevel >= LLV_DEBUG) { |
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| 435 | char *idstr = NULL; |
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| 436 | |
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| 437 | if (iph1->id_p != NULL) |
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| 438 | idstr = ipsecdoi_id2str(iph1->id_p); |
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| 439 | |
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| 440 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
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| 441 | "getrmconf_by_ph1: remote %s, identity %s.\n", |
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| 442 | saddr2str(iph1->remote), idstr ? idstr : "<any>"); |
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| 443 | |
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| 444 | if (idstr) |
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| 445 | racoon_free(idstr); |
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| 446 | } |
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| 447 | |
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| 448 | if (enumrmconf(&ctx.sel, rmconf_find, &ctx) != 0) { |
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| 449 | plog(LLV_ERROR, LOCATION, iph1->remote, |
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| 450 | "multiple exact configurations.\n"); |
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| 451 | return RMCONF_ERR_MULTIPLE; |
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| 452 | } |
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| 453 | |
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| 454 | if (ctx.rmconf == NULL) { |
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| 455 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
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| 456 | "no remote configuration found\n"); |
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| 457 | return NULL; |
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| 458 | } |
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| 459 | |
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| 460 | if (ctx.num_found != 1) { |
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| 461 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
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| 462 | "multiple non-exact configurations found.\n"); |
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| 463 | return RMCONF_ERR_MULTIPLE; |
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| 464 | } |
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| 465 | |
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| 466 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
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| 467 | "configuration \"%s\" selected.\n", |
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| 468 | ctx.rmconf->name); |
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| 469 | |
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| 470 | return ctx.rmconf; |
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| 471 | } |
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| 472 | |
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| 473 | struct remoteconf * |
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| 474 | getrmconf_by_name(name) |
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| 475 | const char *name; |
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| 476 | { |
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| 477 | struct remoteconf *p; |
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| 478 | |
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| 479 | plog(LLV_DEBUG, LOCATION, NULL, |
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| 480 | "getrmconf_by_name: remote \"%s\".\n", |
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| 481 | name); |
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| 482 | |
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| 483 | RACOON_TAILQ_FOREACH_REVERSE(p, &rmtree, _rmtree, chain) { |
---|
| 484 | if (p->name == NULL) |
---|
| 485 | continue; |
---|
| 486 | |
---|
| 487 | if (strcmp(name, p->name) == 0) |
---|
| 488 | return p; |
---|
| 489 | } |
---|
| 490 | |
---|
| 491 | return NULL; |
---|
| 492 | } |
---|
| 493 | |
---|
| 494 | struct remoteconf * |
---|
| 495 | newrmconf() |
---|
| 496 | { |
---|
| 497 | struct remoteconf *new; |
---|
| 498 | int i; |
---|
| 499 | |
---|
| 500 | new = racoon_calloc(1, sizeof(*new)); |
---|
| 501 | if (new == NULL) |
---|
| 502 | return NULL; |
---|
| 503 | |
---|
| 504 | new->proposal = NULL; |
---|
| 505 | |
---|
| 506 | /* set default */ |
---|
| 507 | new->doitype = IPSEC_DOI; |
---|
| 508 | new->sittype = IPSECDOI_SIT_IDENTITY_ONLY; |
---|
| 509 | new->idvtype = IDTYPE_UNDEFINED; |
---|
| 510 | new->idvl_p = genlist_init(); |
---|
| 511 | new->nonce_size = DEFAULT_NONCE_SIZE; |
---|
| 512 | new->passive = FALSE; |
---|
| 513 | new->ike_frag = FALSE; |
---|
| 514 | new->esp_frag = IP_MAXPACKET; |
---|
| 515 | new->ini_contact = TRUE; |
---|
| 516 | new->mode_cfg = FALSE; |
---|
| 517 | new->pcheck_level = PROP_CHECK_STRICT; |
---|
| 518 | new->verify_identifier = FALSE; |
---|
| 519 | new->verify_cert = TRUE; |
---|
| 520 | new->cacertfile = NULL; |
---|
| 521 | new->send_cert = TRUE; |
---|
| 522 | new->send_cr = TRUE; |
---|
| 523 | new->match_empty_cr = FALSE; |
---|
| 524 | new->support_proxy = FALSE; |
---|
| 525 | for (i = 0; i <= SCRIPT_MAX; i++) |
---|
| 526 | new->script[i] = NULL; |
---|
| 527 | new->gen_policy = FALSE; |
---|
| 528 | new->nat_traversal = FALSE; |
---|
| 529 | new->rsa_private = genlist_init(); |
---|
| 530 | new->rsa_public = genlist_init(); |
---|
| 531 | new->idv = NULL; |
---|
| 532 | new->key = NULL; |
---|
| 533 | |
---|
| 534 | new->dpd = TRUE; /* Enable DPD support by default */ |
---|
| 535 | new->dpd_interval = 0; /* Disable DPD checks by default */ |
---|
| 536 | new->dpd_retry = 5; |
---|
| 537 | new->dpd_maxfails = 5; |
---|
| 538 | |
---|
| 539 | new->rekey = REKEY_ON; |
---|
| 540 | |
---|
| 541 | new->weak_phase1_check = 0; |
---|
| 542 | |
---|
| 543 | #ifdef ENABLE_HYBRID |
---|
| 544 | new->xauth = NULL; |
---|
| 545 | #endif |
---|
| 546 | |
---|
| 547 | new->lifetime = oakley_get_defaultlifetime(); |
---|
| 548 | |
---|
| 549 | return new; |
---|
| 550 | } |
---|
| 551 | |
---|
| 552 | void * |
---|
| 553 | dupidvl(entry, arg) |
---|
| 554 | void *entry; |
---|
| 555 | void *arg; |
---|
| 556 | { |
---|
| 557 | struct idspec *id; |
---|
| 558 | struct idspec *old = (struct idspec *) entry; |
---|
| 559 | id = newidspec(); |
---|
| 560 | if (!id) return (void *) -1; |
---|
| 561 | |
---|
| 562 | if (set_identifier(&id->id, old->idtype, old->id) != 0) { |
---|
| 563 | racoon_free(id); |
---|
| 564 | return (void *) -1; |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | id->idtype = old->idtype; |
---|
| 568 | |
---|
| 569 | genlist_append(arg, id); |
---|
| 570 | return NULL; |
---|
| 571 | } |
---|
| 572 | |
---|
| 573 | void * |
---|
| 574 | duprsa(entry, arg) |
---|
| 575 | void *entry; |
---|
| 576 | void *arg; |
---|
| 577 | { |
---|
| 578 | struct rsa_key *new; |
---|
| 579 | |
---|
| 580 | new = rsa_key_dup((struct rsa_key *)entry); |
---|
| 581 | if (new == NULL) |
---|
| 582 | return (void *) -1; |
---|
| 583 | genlist_append(arg, new); |
---|
| 584 | |
---|
| 585 | /* keep genlist_foreach going */ |
---|
| 586 | return NULL; |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | /* Creates shallow copy of a remote config. Used for "inherit" keyword. */ |
---|
| 590 | struct remoteconf * |
---|
| 591 | duprmconf_shallow (rmconf) |
---|
| 592 | struct remoteconf *rmconf; |
---|
| 593 | { |
---|
| 594 | struct remoteconf *new; |
---|
| 595 | struct proposalspec *prspec; |
---|
| 596 | |
---|
| 597 | new = racoon_calloc(1, sizeof(*new)); |
---|
| 598 | if (new == NULL) |
---|
| 599 | return NULL; |
---|
| 600 | |
---|
| 601 | memcpy(new, rmconf, sizeof(*new)); |
---|
| 602 | new->name = NULL; |
---|
| 603 | new->inherited_from = rmconf; |
---|
| 604 | |
---|
| 605 | new->proposal = NULL; /* will be filled by set_isakmp_proposal() */ |
---|
| 606 | |
---|
| 607 | return new; |
---|
| 608 | } |
---|
| 609 | |
---|
| 610 | /* Copies pointer structures of an inherited remote config. |
---|
| 611 | * Used by "inherit" mechanism in a two step copy method, necessary to |
---|
| 612 | * prevent both double free() and memory leak during config reload. |
---|
| 613 | */ |
---|
| 614 | int |
---|
| 615 | duprmconf_finish (new) |
---|
| 616 | struct remoteconf *new; |
---|
| 617 | { |
---|
| 618 | struct remoteconf *rmconf; |
---|
| 619 | int i; |
---|
| 620 | |
---|
| 621 | if (new->inherited_from == NULL) |
---|
| 622 | return 0; /* nothing todo, no inheritance */ |
---|
| 623 | |
---|
| 624 | rmconf = new->inherited_from; |
---|
| 625 | |
---|
| 626 | /* duplicate dynamic structures unless value overridden */ |
---|
| 627 | if (new->etypes != NULL && new->etypes == rmconf->etypes) |
---|
| 628 | new->etypes = dupetypes(new->etypes); |
---|
| 629 | if (new->idvl_p == rmconf->idvl_p) { |
---|
| 630 | new->idvl_p = genlist_init(); |
---|
| 631 | genlist_foreach(rmconf->idvl_p, dupidvl, new->idvl_p); |
---|
| 632 | } |
---|
| 633 | |
---|
| 634 | if (new->rsa_private == rmconf->rsa_private) { |
---|
| 635 | new->rsa_private = genlist_init(); |
---|
| 636 | genlist_foreach(rmconf->rsa_private, duprsa, new->rsa_private); |
---|
| 637 | } |
---|
| 638 | if (new->rsa_public == rmconf->rsa_public) { |
---|
| 639 | new->rsa_public = genlist_init(); |
---|
| 640 | genlist_foreach(rmconf->rsa_public, duprsa, new->rsa_public); |
---|
| 641 | } |
---|
| 642 | if (new->remote != NULL && new->remote == rmconf->remote) { |
---|
| 643 | new->remote = racoon_malloc(sizeof(*new->remote)); |
---|
| 644 | if (new->remote == NULL) { |
---|
| 645 | plog(LLV_ERROR, LOCATION, NULL, |
---|
| 646 | "duprmconf_finish: malloc failed (remote)\n"); |
---|
| 647 | exit(1); |
---|
| 648 | } |
---|
| 649 | memcpy(new->remote, rmconf->remote, sizeof(*new->remote)); |
---|
| 650 | } |
---|
| 651 | if (new->spspec != NULL && new->spspec == rmconf->spspec) { |
---|
| 652 | dupspspec_list(new, rmconf); |
---|
| 653 | } |
---|
| 654 | |
---|
| 655 | /* proposal has been deep copied already from spspec's, see |
---|
| 656 | * cfparse.y:set_isakmp_proposal, which in turn calls |
---|
| 657 | * cfparse.y:expand_isakmpspec where the copying happens. |
---|
| 658 | */ |
---|
| 659 | |
---|
| 660 | #ifdef ENABLE_HYBRID |
---|
| 661 | if (new->xauth != NULL && new->xauth == rmconf->xauth) { |
---|
| 662 | new->xauth = xauth_rmconf_dup(new->xauth); |
---|
| 663 | if (new->xauth == NULL) |
---|
| 664 | exit(1); |
---|
| 665 | } |
---|
| 666 | #endif |
---|
| 667 | |
---|
| 668 | /* duplicate strings unless value overridden */ |
---|
| 669 | if (new->mycertfile != NULL && new->mycertfile == rmconf->mycertfile) { |
---|
| 670 | new->mycertfile = racoon_strdup(new->mycertfile); |
---|
| 671 | STRDUP_FATAL(new->mycertfile); |
---|
| 672 | } |
---|
| 673 | if (new->myprivfile != NULL && new->myprivfile == rmconf->myprivfile) { |
---|
| 674 | new->myprivfile = racoon_strdup(new->myprivfile); |
---|
| 675 | STRDUP_FATAL(new->myprivfile); |
---|
| 676 | } |
---|
| 677 | if (new->peerscertfile != NULL && new->peerscertfile == rmconf->peerscertfile) { |
---|
| 678 | new->peerscertfile = racoon_strdup(new->peerscertfile); |
---|
| 679 | STRDUP_FATAL(new->peerscertfile); |
---|
| 680 | } |
---|
| 681 | if (new->cacertfile != NULL && new->cacertfile == rmconf->cacertfile) { |
---|
| 682 | new->cacertfile = racoon_strdup(new->cacertfile); |
---|
| 683 | STRDUP_FATAL(new->cacertfile); |
---|
| 684 | } |
---|
| 685 | if (new->idv != NULL && new->idv == rmconf->idv) { |
---|
| 686 | new->idv = vdup(new->idv); |
---|
| 687 | STRDUP_FATAL(new->idv); |
---|
| 688 | } |
---|
| 689 | if (new->key != NULL && new->key == rmconf->key) { |
---|
| 690 | new->key = vdup(new->key); |
---|
| 691 | STRDUP_FATAL(new->key); |
---|
| 692 | } |
---|
| 693 | if (new->mycert != NULL && new->mycert == rmconf->mycert) { |
---|
| 694 | new->mycert = vdup(new->mycert); |
---|
| 695 | STRDUP_FATAL(new->mycert); |
---|
| 696 | } |
---|
| 697 | if (new->peerscert != NULL && new->peerscert == rmconf->peerscert) { |
---|
| 698 | new->peerscert = vdup(new->peerscert); |
---|
| 699 | STRDUP_FATAL(new->peerscert); |
---|
| 700 | } |
---|
| 701 | if (new->cacert != NULL && new->cacert == rmconf->cacert) { |
---|
| 702 | new->cacert = vdup(new->cacert); |
---|
| 703 | STRDUP_FATAL(new->cacert); |
---|
| 704 | } |
---|
| 705 | for (i = 0; i <= SCRIPT_MAX; i++) |
---|
| 706 | if (new->script[i] != NULL && new->script[i] == rmconf->script[i]) { |
---|
| 707 | new->script[i] = vdup(new->script[i]); |
---|
| 708 | STRDUP_FATAL(new->script[i]); |
---|
| 709 | } |
---|
| 710 | |
---|
| 711 | return 0; |
---|
| 712 | } |
---|
| 713 | |
---|
| 714 | static void |
---|
| 715 | idspec_free(void *data) |
---|
| 716 | { |
---|
| 717 | vfree (((struct idspec *)data)->id); |
---|
| 718 | free (data); |
---|
| 719 | } |
---|
| 720 | |
---|
| 721 | void |
---|
| 722 | delrmconf(rmconf) |
---|
| 723 | struct remoteconf *rmconf; |
---|
| 724 | { |
---|
| 725 | int i; |
---|
| 726 | |
---|
| 727 | #ifdef ENABLE_HYBRID |
---|
| 728 | if (rmconf->xauth) |
---|
| 729 | xauth_rmconf_delete(&rmconf->xauth); |
---|
| 730 | #endif |
---|
| 731 | if (rmconf->etypes){ |
---|
| 732 | deletypes(rmconf->etypes); |
---|
| 733 | rmconf->etypes=NULL; |
---|
| 734 | } |
---|
| 735 | if (rmconf->idv) |
---|
| 736 | vfree(rmconf->idv); |
---|
| 737 | if (rmconf->key) |
---|
| 738 | vfree(rmconf->key); |
---|
| 739 | if (rmconf->idvl_p) |
---|
| 740 | genlist_free(rmconf->idvl_p, idspec_free); |
---|
| 741 | if (rmconf->dhgrp) |
---|
| 742 | oakley_dhgrp_free(rmconf->dhgrp); |
---|
| 743 | if (rmconf->proposal) |
---|
| 744 | delisakmpsa(rmconf->proposal); |
---|
| 745 | flushspspec(rmconf); |
---|
| 746 | if (rmconf->mycert) |
---|
| 747 | vfree(rmconf->mycert); |
---|
| 748 | if (rmconf->mycertfile) |
---|
| 749 | racoon_free(rmconf->mycertfile); |
---|
| 750 | if (rmconf->myprivfile) |
---|
| 751 | racoon_free(rmconf->myprivfile); |
---|
| 752 | if (rmconf->peerscert) |
---|
| 753 | vfree(rmconf->peerscert); |
---|
| 754 | if (rmconf->peerscertfile) |
---|
| 755 | racoon_free(rmconf->peerscertfile); |
---|
| 756 | if (rmconf->cacert) |
---|
| 757 | vfree(rmconf->cacert); |
---|
| 758 | if (rmconf->cacertfile) |
---|
| 759 | racoon_free(rmconf->cacertfile); |
---|
| 760 | if (rmconf->rsa_private) |
---|
| 761 | genlist_free(rmconf->rsa_private, rsa_key_free); |
---|
| 762 | if (rmconf->rsa_public) |
---|
| 763 | genlist_free(rmconf->rsa_public, rsa_key_free); |
---|
| 764 | if (rmconf->name) |
---|
| 765 | racoon_free(rmconf->name); |
---|
| 766 | if (rmconf->remote) |
---|
| 767 | racoon_free(rmconf->remote); |
---|
| 768 | for (i = 0; i <= SCRIPT_MAX; i++) |
---|
| 769 | if (rmconf->script[i]) |
---|
| 770 | vfree(rmconf->script[i]); |
---|
| 771 | |
---|
| 772 | racoon_free(rmconf); |
---|
| 773 | } |
---|
| 774 | |
---|
| 775 | void |
---|
| 776 | delisakmpsa(sa) |
---|
| 777 | struct isakmpsa *sa; |
---|
| 778 | { |
---|
| 779 | if (sa->dhgrp) |
---|
| 780 | oakley_dhgrp_free(sa->dhgrp); |
---|
| 781 | if (sa->next) |
---|
| 782 | delisakmpsa(sa->next); |
---|
| 783 | #ifdef HAVE_GSSAPI |
---|
| 784 | if (sa->gssid) |
---|
| 785 | vfree(sa->gssid); |
---|
| 786 | #endif |
---|
| 787 | racoon_free(sa); |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | struct etypes * |
---|
| 791 | dupetypes(orig) |
---|
| 792 | struct etypes *orig; |
---|
| 793 | { |
---|
| 794 | struct etypes *new; |
---|
| 795 | |
---|
| 796 | if (!orig) |
---|
| 797 | return NULL; |
---|
| 798 | |
---|
| 799 | new = racoon_malloc(sizeof(struct etypes)); |
---|
| 800 | if (new == NULL) |
---|
| 801 | return NULL; |
---|
| 802 | |
---|
| 803 | new->type = orig->type; |
---|
| 804 | new->next = NULL; |
---|
| 805 | |
---|
| 806 | if (orig->next) |
---|
| 807 | new->next=dupetypes(orig->next); |
---|
| 808 | |
---|
| 809 | return new; |
---|
| 810 | } |
---|
| 811 | |
---|
| 812 | void |
---|
| 813 | deletypes(e) |
---|
| 814 | struct etypes *e; |
---|
| 815 | { |
---|
| 816 | if (e->next) |
---|
| 817 | deletypes(e->next); |
---|
| 818 | racoon_free(e); |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | /* |
---|
| 822 | * insert into head of list. |
---|
| 823 | */ |
---|
| 824 | void |
---|
| 825 | insrmconf(new) |
---|
| 826 | struct remoteconf *new; |
---|
| 827 | { |
---|
| 828 | if (new->name == NULL) { |
---|
| 829 | new->name = racoon_strdup(saddr2str(new->remote)); |
---|
| 830 | } |
---|
| 831 | if (new->remote == NULL) { |
---|
| 832 | new->remote = newsaddr(sizeof(struct sockaddr)); |
---|
| 833 | new->remote->sa_family = AF_UNSPEC; |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | TAILQ_INSERT_HEAD(&rmtree, new, chain); |
---|
| 837 | } |
---|
| 838 | |
---|
| 839 | void |
---|
| 840 | remrmconf(rmconf) |
---|
| 841 | struct remoteconf *rmconf; |
---|
| 842 | { |
---|
| 843 | TAILQ_REMOVE(&rmtree, rmconf, chain); |
---|
| 844 | } |
---|
| 845 | |
---|
| 846 | void |
---|
| 847 | flushrmconf() |
---|
| 848 | { |
---|
| 849 | struct remoteconf *p, *next; |
---|
| 850 | |
---|
| 851 | for (p = TAILQ_FIRST(&rmtree); p; p = next) { |
---|
| 852 | next = TAILQ_NEXT(p, chain); |
---|
| 853 | remrmconf(p); |
---|
| 854 | delrmconf(p); |
---|
| 855 | } |
---|
| 856 | } |
---|
| 857 | |
---|
| 858 | void |
---|
| 859 | initrmconf() |
---|
| 860 | { |
---|
| 861 | TAILQ_INIT(&rmtree); |
---|
| 862 | } |
---|
| 863 | |
---|
| 864 | void |
---|
| 865 | rmconf_start_reload() |
---|
| 866 | { |
---|
| 867 | rmtree_save=rmtree; |
---|
| 868 | initrmconf(); |
---|
| 869 | } |
---|
| 870 | |
---|
| 871 | void |
---|
| 872 | rmconf_finish_reload() |
---|
| 873 | { |
---|
| 874 | remoteconf_tailq_head_t rmtree_tmp; |
---|
| 875 | |
---|
| 876 | rmtree_tmp=rmtree; |
---|
| 877 | rmtree=rmtree_save; |
---|
| 878 | flushrmconf(); |
---|
| 879 | initrmconf(); |
---|
| 880 | rmtree=rmtree_tmp; |
---|
| 881 | } |
---|
| 882 | |
---|
| 883 | |
---|
| 884 | |
---|
| 885 | /* check exchange type to be acceptable */ |
---|
| 886 | int |
---|
| 887 | check_etypeok(rmconf, ctx) |
---|
| 888 | struct remoteconf *rmconf; |
---|
| 889 | void *ctx; |
---|
| 890 | { |
---|
| 891 | u_int8_t etype = (u_int8_t) (intptr_t) ctx; |
---|
| 892 | struct etypes *e; |
---|
| 893 | |
---|
| 894 | for (e = rmconf->etypes; e != NULL; e = e->next) { |
---|
| 895 | if (e->type == etype) |
---|
| 896 | return 1; |
---|
| 897 | plog(LLV_DEBUG2, LOCATION, NULL, |
---|
| 898 | "Etype mismatch: got %d, expected %d.\n", e->type, etype); |
---|
| 899 | } |
---|
| 900 | |
---|
| 901 | return 0; |
---|
| 902 | } |
---|
| 903 | |
---|
| 904 | /*%%%*/ |
---|
| 905 | struct isakmpsa * |
---|
| 906 | newisakmpsa() |
---|
| 907 | { |
---|
| 908 | struct isakmpsa *new; |
---|
| 909 | |
---|
| 910 | new = racoon_calloc(1, sizeof(*new)); |
---|
| 911 | if (new == NULL) |
---|
| 912 | return NULL; |
---|
| 913 | |
---|
| 914 | /* |
---|
| 915 | * Just for sanity, make sure this is initialized. This is |
---|
| 916 | * filled in for real when the ISAKMP proposal is configured. |
---|
| 917 | */ |
---|
| 918 | new->vendorid = VENDORID_UNKNOWN; |
---|
| 919 | |
---|
| 920 | new->next = NULL; |
---|
| 921 | #ifdef HAVE_GSSAPI |
---|
| 922 | new->gssid = NULL; |
---|
| 923 | #endif |
---|
| 924 | |
---|
| 925 | return new; |
---|
| 926 | } |
---|
| 927 | |
---|
| 928 | /* |
---|
| 929 | * insert into tail of list. |
---|
| 930 | */ |
---|
| 931 | void |
---|
| 932 | insisakmpsa(new, rmconf) |
---|
| 933 | struct isakmpsa *new; |
---|
| 934 | struct remoteconf *rmconf; |
---|
| 935 | { |
---|
| 936 | struct isakmpsa *p; |
---|
| 937 | |
---|
| 938 | if (rmconf->proposal == NULL) { |
---|
| 939 | rmconf->proposal = new; |
---|
| 940 | return; |
---|
| 941 | } |
---|
| 942 | |
---|
| 943 | for (p = rmconf->proposal; p->next != NULL; p = p->next) |
---|
| 944 | ; |
---|
| 945 | p->next = new; |
---|
| 946 | } |
---|
| 947 | |
---|
| 948 | static void * |
---|
| 949 | dump_peers_identifiers (void *entry, void *arg) |
---|
| 950 | { |
---|
| 951 | struct idspec *id = (struct idspec*) entry; |
---|
| 952 | char buf[1024], *pbuf; |
---|
| 953 | pbuf = buf; |
---|
| 954 | pbuf += sprintf (pbuf, "\tpeers_identifier %s", |
---|
| 955 | s_idtype (id->idtype)); |
---|
| 956 | if (id->id) |
---|
| 957 | pbuf += sprintf (pbuf, " \"%s\"", id->id->v); |
---|
| 958 | plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf); |
---|
| 959 | return NULL; |
---|
| 960 | } |
---|
| 961 | |
---|
| 962 | static int |
---|
| 963 | dump_rmconf_single (struct remoteconf *p, void *data) |
---|
| 964 | { |
---|
| 965 | struct etypes *etype = p->etypes; |
---|
| 966 | struct isakmpsa *prop = p->proposal; |
---|
| 967 | char buf[1024], *pbuf; |
---|
| 968 | |
---|
| 969 | pbuf = buf; |
---|
| 970 | |
---|
| 971 | pbuf += sprintf(pbuf, "remote \"%s\"", p->name); |
---|
| 972 | if (p->inherited_from) |
---|
| 973 | pbuf += sprintf(pbuf, " inherit \"%s\"", |
---|
| 974 | p->inherited_from->name); |
---|
| 975 | plog(LLV_INFO, LOCATION, NULL, "%s {\n", buf); |
---|
| 976 | pbuf = buf; |
---|
| 977 | pbuf += sprintf(pbuf, "\texchange_type "); |
---|
| 978 | while (etype) { |
---|
| 979 | pbuf += sprintf (pbuf, "%s%s", s_etype(etype->type), |
---|
| 980 | etype->next != NULL ? ", " : ";\n"); |
---|
| 981 | etype = etype->next; |
---|
| 982 | } |
---|
| 983 | plog(LLV_INFO, LOCATION, NULL, "%s", buf); |
---|
| 984 | plog(LLV_INFO, LOCATION, NULL, "\tdoi %s;\n", s_doi(p->doitype)); |
---|
| 985 | pbuf = buf; |
---|
| 986 | pbuf += sprintf(pbuf, "\tmy_identifier %s", s_idtype (p->idvtype)); |
---|
| 987 | if (p->idvtype == IDTYPE_ASN1DN) { |
---|
| 988 | plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf); |
---|
| 989 | plog(LLV_INFO, LOCATION, NULL, |
---|
| 990 | "\tcertificate_type %s \"%s\" \"%s\";\n", |
---|
| 991 | oakley_get_certtype(p->mycert) == ISAKMP_CERT_X509SIGN |
---|
| 992 | ? "x509" : "*UNKNOWN*", |
---|
| 993 | p->mycertfile, p->myprivfile); |
---|
| 994 | |
---|
| 995 | switch (oakley_get_certtype(p->peerscert)) { |
---|
| 996 | case ISAKMP_CERT_NONE: |
---|
| 997 | plog(LLV_INFO, LOCATION, NULL, |
---|
| 998 | "\t/* peers certificate from payload */\n"); |
---|
| 999 | break; |
---|
| 1000 | case ISAKMP_CERT_X509SIGN: |
---|
| 1001 | plog(LLV_INFO, LOCATION, NULL, |
---|
| 1002 | "\tpeers_certfile \"%s\";\n", p->peerscertfile); |
---|
| 1003 | break; |
---|
| 1004 | case ISAKMP_CERT_DNS: |
---|
| 1005 | plog(LLV_INFO, LOCATION, NULL, |
---|
| 1006 | "\tpeers_certfile dnssec;\n"); |
---|
| 1007 | break; |
---|
| 1008 | default: |
---|
| 1009 | plog(LLV_INFO, LOCATION, NULL, |
---|
| 1010 | "\tpeers_certfile *UNKNOWN* (%d)\n", |
---|
| 1011 | oakley_get_certtype(p->peerscert)); |
---|
| 1012 | break; |
---|
| 1013 | } |
---|
| 1014 | } |
---|
| 1015 | else { |
---|
| 1016 | if (p->idv) |
---|
| 1017 | pbuf += sprintf (pbuf, " \"%s\"", p->idv->v); |
---|
| 1018 | plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf); |
---|
| 1019 | genlist_foreach(p->idvl_p, &dump_peers_identifiers, NULL); |
---|
| 1020 | } |
---|
| 1021 | |
---|
| 1022 | plog(LLV_INFO, LOCATION, NULL, "\trekey %s;\n", |
---|
| 1023 | p->rekey == REKEY_FORCE ? "force" : s_switch (p->rekey)); |
---|
| 1024 | plog(LLV_INFO, LOCATION, NULL, "\tsend_cert %s;\n", |
---|
| 1025 | s_switch (p->send_cert)); |
---|
| 1026 | plog(LLV_INFO, LOCATION, NULL, "\tsend_cr %s;\n", |
---|
| 1027 | s_switch (p->send_cr)); |
---|
| 1028 | plog(LLV_INFO, LOCATION, NULL, "\tmatch_empty_cr %s;\n", |
---|
| 1029 | s_switch (p->match_empty_cr)); |
---|
| 1030 | plog(LLV_INFO, LOCATION, NULL, "\tverify_cert %s;\n", |
---|
| 1031 | s_switch (p->verify_cert)); |
---|
| 1032 | plog(LLV_INFO, LOCATION, NULL, "\tverify_identifier %s;\n", |
---|
| 1033 | s_switch (p->verify_identifier)); |
---|
| 1034 | plog(LLV_INFO, LOCATION, NULL, "\tnat_traversal %s;\n", |
---|
| 1035 | p->nat_traversal == NATT_FORCE ? |
---|
| 1036 | "force" : s_switch (p->nat_traversal)); |
---|
| 1037 | plog(LLV_INFO, LOCATION, NULL, "\tnonce_size %d;\n", |
---|
| 1038 | p->nonce_size); |
---|
| 1039 | plog(LLV_INFO, LOCATION, NULL, "\tpassive %s;\n", |
---|
| 1040 | s_switch (p->passive)); |
---|
| 1041 | plog(LLV_INFO, LOCATION, NULL, "\tike_frag %s;\n", |
---|
| 1042 | p->ike_frag == ISAKMP_FRAG_FORCE ? |
---|
| 1043 | "force" : s_switch (p->ike_frag)); |
---|
| 1044 | plog(LLV_INFO, LOCATION, NULL, "\tesp_frag %d;\n", p->esp_frag); |
---|
| 1045 | plog(LLV_INFO, LOCATION, NULL, "\tinitial_contact %s;\n", |
---|
| 1046 | s_switch (p->ini_contact)); |
---|
| 1047 | plog(LLV_INFO, LOCATION, NULL, "\tgenerate_policy %s;\n", |
---|
| 1048 | s_switch (p->gen_policy)); |
---|
| 1049 | plog(LLV_INFO, LOCATION, NULL, "\tsupport_proxy %s;\n", |
---|
| 1050 | s_switch (p->support_proxy)); |
---|
| 1051 | |
---|
| 1052 | while (prop) { |
---|
| 1053 | plog(LLV_INFO, LOCATION, NULL, "\n"); |
---|
| 1054 | plog(LLV_INFO, LOCATION, NULL, |
---|
| 1055 | "\t/* prop_no=%d, trns_no=%d */\n", |
---|
| 1056 | prop->prop_no, prop->trns_no); |
---|
| 1057 | plog(LLV_INFO, LOCATION, NULL, "\tproposal {\n"); |
---|
| 1058 | plog(LLV_INFO, LOCATION, NULL, "\t\tlifetime time %lu sec;\n", |
---|
| 1059 | (long)prop->lifetime); |
---|
| 1060 | plog(LLV_INFO, LOCATION, NULL, "\t\tlifetime bytes %zd;\n", |
---|
| 1061 | prop->lifebyte); |
---|
| 1062 | plog(LLV_INFO, LOCATION, NULL, "\t\tdh_group %s;\n", |
---|
| 1063 | alg_oakley_dhdef_name(prop->dh_group)); |
---|
| 1064 | plog(LLV_INFO, LOCATION, NULL, "\t\tencryption_algorithm %s;\n", |
---|
| 1065 | alg_oakley_encdef_name(prop->enctype)); |
---|
| 1066 | plog(LLV_INFO, LOCATION, NULL, "\t\thash_algorithm %s;\n", |
---|
| 1067 | alg_oakley_hashdef_name(prop->hashtype)); |
---|
| 1068 | plog(LLV_INFO, LOCATION, NULL, "\t\tauthentication_method %s;\n", |
---|
| 1069 | alg_oakley_authdef_name(prop->authmethod)); |
---|
| 1070 | plog(LLV_INFO, LOCATION, NULL, "\t}\n"); |
---|
| 1071 | prop = prop->next; |
---|
| 1072 | } |
---|
| 1073 | plog(LLV_INFO, LOCATION, NULL, "}\n"); |
---|
| 1074 | plog(LLV_INFO, LOCATION, NULL, "\n"); |
---|
| 1075 | |
---|
| 1076 | return 0; |
---|
| 1077 | } |
---|
| 1078 | |
---|
| 1079 | void |
---|
| 1080 | dumprmconf() |
---|
| 1081 | { |
---|
| 1082 | enumrmconf(NULL, dump_rmconf_single, NULL); |
---|
| 1083 | } |
---|
| 1084 | |
---|
| 1085 | struct idspec * |
---|
| 1086 | newidspec() |
---|
| 1087 | { |
---|
| 1088 | struct idspec *new; |
---|
| 1089 | |
---|
| 1090 | new = racoon_calloc(1, sizeof(*new)); |
---|
| 1091 | if (new == NULL) |
---|
| 1092 | return NULL; |
---|
| 1093 | new->idtype = IDTYPE_ADDRESS; |
---|
| 1094 | |
---|
| 1095 | return new; |
---|
| 1096 | } |
---|
| 1097 | |
---|
| 1098 | vchar_t * |
---|
| 1099 | script_path_add(path) |
---|
| 1100 | vchar_t *path; |
---|
| 1101 | { |
---|
| 1102 | char *script_dir; |
---|
| 1103 | vchar_t *new_path; |
---|
| 1104 | vchar_t *new_storage; |
---|
| 1105 | vchar_t **sp; |
---|
| 1106 | size_t len; |
---|
| 1107 | size_t size; |
---|
| 1108 | |
---|
| 1109 | script_dir = lcconf->pathinfo[LC_PATHTYPE_SCRIPT]; |
---|
| 1110 | |
---|
| 1111 | /* Try to find the script in the script directory */ |
---|
| 1112 | if ((path->v[0] != '/') && (script_dir != NULL)) { |
---|
| 1113 | len = strlen(script_dir) + sizeof("/") + path->l + 1; |
---|
| 1114 | |
---|
| 1115 | if ((new_path = vmalloc(len)) == NULL) { |
---|
| 1116 | plog(LLV_ERROR, LOCATION, NULL, |
---|
| 1117 | "Cannot allocate memory: %s\n", strerror(errno)); |
---|
| 1118 | return NULL; |
---|
| 1119 | } |
---|
| 1120 | |
---|
| 1121 | new_path->v[0] = '\0'; |
---|
| 1122 | (void)strlcat(new_path->v, script_dir, len); |
---|
| 1123 | (void)strlcat(new_path->v, "/", len); |
---|
| 1124 | (void)strlcat(new_path->v, path->v, len); |
---|
| 1125 | |
---|
| 1126 | vfree(path); |
---|
| 1127 | path = new_path; |
---|
| 1128 | } |
---|
| 1129 | |
---|
| 1130 | return path; |
---|
| 1131 | } |
---|
| 1132 | |
---|
| 1133 | |
---|
| 1134 | struct isakmpsa * |
---|
| 1135 | dupisakmpsa(struct isakmpsa *sa) |
---|
| 1136 | { |
---|
| 1137 | struct isakmpsa *res = NULL; |
---|
| 1138 | |
---|
| 1139 | if(sa == NULL) |
---|
| 1140 | return NULL; |
---|
| 1141 | |
---|
| 1142 | res = newisakmpsa(); |
---|
| 1143 | if(res == NULL) |
---|
| 1144 | return NULL; |
---|
| 1145 | |
---|
| 1146 | *res = *sa; |
---|
| 1147 | #ifdef HAVE_GSSAPI |
---|
| 1148 | if (sa->gssid != NULL) |
---|
| 1149 | res->gssid = vdup(sa->gssid); |
---|
| 1150 | #endif |
---|
| 1151 | res->next = NULL; |
---|
| 1152 | |
---|
| 1153 | if(sa->dhgrp != NULL) |
---|
| 1154 | oakley_setdhgroup(sa->dh_group, &res->dhgrp); |
---|
| 1155 | |
---|
| 1156 | return res; |
---|
| 1157 | |
---|
| 1158 | } |
---|
| 1159 | |
---|
| 1160 | #ifdef ENABLE_HYBRID |
---|
| 1161 | int |
---|
| 1162 | isakmpsa_switch_authmethod(authmethod) |
---|
| 1163 | int authmethod; |
---|
| 1164 | { |
---|
| 1165 | switch(authmethod) { |
---|
| 1166 | case OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_R: |
---|
| 1167 | authmethod = OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I; |
---|
| 1168 | break; |
---|
| 1169 | case OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_R: |
---|
| 1170 | authmethod = OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I; |
---|
| 1171 | break; |
---|
| 1172 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_R: |
---|
| 1173 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I; |
---|
| 1174 | break; |
---|
| 1175 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_R: |
---|
| 1176 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_I; |
---|
| 1177 | break; |
---|
| 1178 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_R: |
---|
| 1179 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_I; |
---|
| 1180 | break; |
---|
| 1181 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_R: |
---|
| 1182 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_I; |
---|
| 1183 | break; |
---|
| 1184 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_R: |
---|
| 1185 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_I; |
---|
| 1186 | break; |
---|
| 1187 | default: |
---|
| 1188 | break; |
---|
| 1189 | } |
---|
| 1190 | |
---|
| 1191 | return authmethod; |
---|
| 1192 | } |
---|
| 1193 | #endif |
---|
| 1194 | |
---|
| 1195 | /* |
---|
| 1196 | * Given a proposed ISAKMP SA, and a list of acceptable |
---|
| 1197 | * ISAKMP SAs, it compares using pcheck_level policy and |
---|
| 1198 | * returns first match (if any). |
---|
| 1199 | */ |
---|
| 1200 | struct isakmpsa * |
---|
| 1201 | checkisakmpsa(pcheck_level, proposal, acceptable) |
---|
| 1202 | int pcheck_level; |
---|
| 1203 | struct isakmpsa *proposal, *acceptable; |
---|
| 1204 | { |
---|
| 1205 | struct isakmpsa *p; |
---|
| 1206 | |
---|
| 1207 | for (p = acceptable; p != NULL; p = p->next){ |
---|
| 1208 | plog(LLV_DEBUG2, LOCATION, NULL, |
---|
| 1209 | "checkisakmpsa:\nauthmethod: %d / %d\n", |
---|
| 1210 | isakmpsa_switch_authmethod(proposal->authmethod), isakmpsa_switch_authmethod(p->authmethod)); |
---|
| 1211 | if (isakmpsa_switch_authmethod(proposal->authmethod) != isakmpsa_switch_authmethod(p->authmethod) || |
---|
| 1212 | proposal->enctype != p->enctype || |
---|
| 1213 | proposal->dh_group != p->dh_group || |
---|
| 1214 | proposal->hashtype != p->hashtype) |
---|
| 1215 | continue; |
---|
| 1216 | |
---|
| 1217 | switch (pcheck_level) { |
---|
| 1218 | case PROP_CHECK_OBEY: |
---|
| 1219 | break; |
---|
| 1220 | |
---|
| 1221 | case PROP_CHECK_CLAIM: |
---|
| 1222 | case PROP_CHECK_STRICT: |
---|
| 1223 | if (proposal->encklen < p->encklen || |
---|
| 1224 | #if 0 |
---|
| 1225 | proposal->lifebyte > p->lifebyte || |
---|
| 1226 | #endif |
---|
| 1227 | proposal->lifetime > p->lifetime) |
---|
| 1228 | continue; |
---|
| 1229 | break; |
---|
| 1230 | |
---|
| 1231 | case PROP_CHECK_EXACT: |
---|
| 1232 | if (proposal->encklen != p->encklen || |
---|
| 1233 | #if 0 |
---|
| 1234 | proposal->lifebyte != p->lifebyte || |
---|
| 1235 | #endif |
---|
| 1236 | proposal->lifetime != p->lifetime) |
---|
| 1237 | continue; |
---|
| 1238 | break; |
---|
| 1239 | |
---|
| 1240 | default: |
---|
| 1241 | continue; |
---|
| 1242 | } |
---|
| 1243 | |
---|
| 1244 | return p; |
---|
| 1245 | } |
---|
| 1246 | |
---|
| 1247 | return NULL; |
---|
| 1248 | } |
---|