crypto/dist/ipsec-tools/src/racoon/remoteconf.h

   1 /*      $NetBSD: remoteconf.h,v 1.10 2009/03/13 04:49:16 tteras Exp $   */
   2
   3 /* Id: remoteconf.h,v 1.26 2006/05/06 15:52:44 manubsd Exp */
   4
   5 /*
   6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the project nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef _REMOTECONF_H
  35 #define _REMOTECONF_H
  36
  37 /* remote configuration */
  38
  39 #include <sys/queue.h>
  40 #include "genlist.h"
  41 #ifdef ENABLE_HYBRID
  42 #include "isakmp_var.h"
  43 #include "isakmp_xauth.h"
  44 #endif
  45
  46 struct ph1handle;
  47 struct secprotospec;
  48
  49 struct etypes {
  50         int type;
  51         struct etypes *next;
  52 };
  53
  54 /* ISAKMP SA specification */
  55 struct isakmpsa {
  56         int prop_no;
  57         int trns_no;
  58         time_t lifetime;
  59         size_t lifebyte;
  60         int enctype;
  61         int encklen;
  62         int authmethod;
  63         int hashtype;
  64         int vendorid;
  65 #ifdef HAVE_GSSAPI
  66         vchar_t *gssid;
  67 #endif
  68         int dh_group;                   /* don't use it if aggressive mode */
  69         struct dhgroup *dhgrp;          /* don't use it if aggressive mode */
  70
  71         struct isakmpsa *next;          /* next transform */
  72 };
  73
  74 /* Certificate information */
  75 struct rmconf_cert {
  76         vchar_t *data;                  /* certificate payload */
  77         char *filename;                 /* name of local file */
  78 };
  79
  80 /* Script hooks */
  81 #define SCRIPT_PHASE1_UP        0
  82 #define SCRIPT_PHASE1_DOWN      1
  83 #define SCRIPT_MAX              1
  84 extern char *script_names[SCRIPT_MAX + 1];
  85
  86 struct remoteconf {
  87         char *name;                     /* remote configuration name */
  88         struct sockaddr *remote;        /* remote IP address */
  89                                         /* if family is AF_UNSPEC, that is
  90                                          * for anonymous configuration. */
  91
  92         struct etypes *etypes;          /* exchange type list. the head
  93                                          * is a type to be sent first. */
  94         int doitype;                    /* doi type */
  95         int sittype;                    /* situation type */
  96
  97         int idvtype;                    /* my identifier type */
  98         vchar_t *idv;                   /* my identifier */
  99         vchar_t *key;                   /* my pre-shared key */
 100         struct genlist *idvl_p;         /* peer's identifiers list */
 101
 102         char *myprivfile;               /* file name of my private key file */
 103         char *mycertfile;               /* file name of my certificate */
 104         vchar_t *mycert;                /* my certificate */
 105         char *peerscertfile;            /* file name of peer's certifcate */
 106         vchar_t *peerscert;             /* peer's certificate */
 107         char *cacertfile;               /* file name of CA */
 108         vchar_t *cacert;                /* CA certificate */
 109
 110         int send_cert;                  /* send to CERT or not */
 111         int send_cr;                    /* send to CR or not */
 112         int match_empty_cr;             /* does this match if CR is empty */
 113         int verify_cert;                /* verify a CERT strictly */
 114         int verify_identifier;          /* vefify the peer's identifier */
 115         int nonce_size;                 /* the number of bytes of nonce */
 116         int passive;                    /* never initiate */
 117         int ike_frag;                   /* IKE fragmentation */
 118         int esp_frag;                   /* ESP fragmentation */
 119         int mode_cfg;                   /* Gets config through mode config */
 120         int support_proxy;              /* support mip6/proxy */
 121 #define GENERATE_POLICY_NONE    0
 122 #define GENERATE_POLICY_REQUIRE 1
 123 #define GENERATE_POLICY_UNIQUE  2
 124         int gen_policy;                 /* generate policy if no policy found */
 125         int ini_contact;                /* initial contact */
 126         int pcheck_level;               /* level of propocl checking */
 127         int nat_traversal;              /* NAT-Traversal */
 128         vchar_t *script[SCRIPT_MAX + 1];/* script hooks paths */
 129         int dh_group;                   /* use it when only aggressive mode */
 130         struct dhgroup *dhgrp;          /* use it when only aggressive mode */
 131                                         /* above two can't be defined by user*/
 132
 133         int dpd;                                /* Negociate DPD support ? */
 134         int dpd_retry;                  /* in seconds */
 135         int dpd_interval;               /* in seconds */
 136         int dpd_maxfails;
 137
 138         int rekey;                      /* rekey ph1 when active ph2s? */
 139 #define REKEY_OFF               FALSE
 140 #define REKEY_ON                TRUE
 141 #define REKEY_FORCE             2
 142
 143         int ph1id; /* ph1id to be matched with sainfo sections */
 144
 145         int weak_phase1_check;          /* act on unencrypted deletions ? */
 146
 147         struct isakmpsa *proposal;      /* proposal list */
 148         struct remoteconf *inherited_from;      /* the original rmconf
 149                                                    from which this one
 150                                                    was inherited */
 151
 152         time_t lifetime;                /* for isakmp/ipsec */
 153         int lifebyte;                   /* for isakmp/ipsec */
 154         struct secprotospec *spspec;    /* the head is always current spec. */
 155
 156         struct genlist  *rsa_private,   /* lists of PlainRSA keys to use */
 157                         *rsa_public;
 158
 159 #ifdef ENABLE_HYBRID
 160         struct xauth_rmconf *xauth;
 161 #endif
 162
 163         TAILQ_ENTRY(remoteconf) chain;  /* next remote conf */
 164 };
 165
 166 #define RMCONF_NONCE_SIZE(rmconf) \
 167         (rmconf != NULL ? rmconf->nonce_size : DEFAULT_NONCE_SIZE)
 168
 169 struct dhgroup;
 170
 171 struct idspec {
 172         int idtype;                     /* identifier type */
 173         vchar_t *id;                    /* identifier */
 174 };
 175
 176 struct rmconfselector {
 177         int flags;
 178         struct sockaddr *remote;
 179         int etype;
 180         struct isakmpsa *approval;
 181         vchar_t *identity;
 182         vchar_t *certificate_request;
 183 };
 184
 185 extern void rmconf_selector_from_ph1 __P((struct rmconfselector *rmsel,
 186                                           struct ph1handle *iph1));
 187 extern int enumrmconf __P((struct rmconfselector *rmsel,
 188                            int (* enum_func)(struct remoteconf *rmconf, void *arg),
 189                            void *enum_arg));
 190
 191 #define GETRMCONF_F_NO_ANONYMOUS        0x0001
 192 #define GETRMCONF_F_NO_PASSIVE          0x0002
 193
 194 #define RMCONF_ERR_MULTIPLE             ((struct remoteconf *) -1)
 195
 196 extern int rmconf_match_identity __P((struct remoteconf *rmconf,
 197                                       vchar_t *id_p));
 198 extern struct remoteconf *getrmconf __P((struct sockaddr *remote, int flags));
 199 extern struct remoteconf *getrmconf_by_ph1 __P((struct ph1handle *iph1));
 200 extern struct remoteconf *getrmconf_by_name __P((const char *name));
 201
 202 extern struct remoteconf *newrmconf __P((void));
 203 extern struct remoteconf *duprmconf __P((struct remoteconf *));
 204 extern void delrmconf __P((struct remoteconf *));
 205 extern void deletypes __P((struct etypes *));
 206 extern struct etypes * dupetypes __P((struct etypes *));
 207 extern void insrmconf __P((struct remoteconf *));
 208 extern void remrmconf __P((struct remoteconf *));
 209 extern void flushrmconf __P((void));
 210 extern void initrmconf __P((void));
 211 extern void save_rmconf __P((void));
 212 extern void save_rmconf_flush __P((void));
 213
 214 extern int check_etypeok __P((struct remoteconf *, void *));
 215
 216 extern struct isakmpsa *newisakmpsa __P((void));
 217 extern struct isakmpsa *dupisakmpsa __P((struct isakmpsa *));
 218 extern void delisakmpsa __P((struct isakmpsa *));
 219 extern void insisakmpsa __P((struct isakmpsa *, struct remoteconf *));
 220 #ifdef ENABLE_HYBRID
 221 extern int isakmpsa_switch_authmethod __P((int authmethod));
 222 #else
 223 static inline int isakmpsa_switch_authmethod(int authmethod)
 224 {
 225         return authmethod;
 226 }
 227 #endif
 228 extern struct isakmpsa * checkisakmpsa __P((int pcheck,
 229                                             struct isakmpsa *proposal,
 230                                             struct isakmpsa *acceptable));
 231
 232
 233 extern void dumprmconf __P((void));
 234
 235 extern struct idspec *newidspec __P((void));
 236
 237 extern vchar_t *script_path_add __P((vchar_t *));
 238
 239 #endif /* _REMOTECONF_H */