ipsec-tools/racoon/remoteconf.h

   1 /*      $NetBSD: remoteconf.h,v 1.7 2006/10/03 08:01:56 vanhu 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 #include <CoreFoundation/CFData.h>
  46 #include "algorithm.h"
  47
  48
  49 struct proposalspec {
  50         time_t lifetime;                /* for isakmp/ipsec */
  51         int lifebyte;                   /* for isakmp/ipsec */
  52         struct secprotospec *spspec;    /* the head is always current spec. */
  53         struct proposalspec *next;      /* the tail is the most prefered. */
  54         struct proposalspec *prev;
  55 };
  56
  57 struct secprotospec {
  58         int prop_no;
  59         int trns_no;
  60         int strength;           /* for isakmp/ipsec */
  61         int encklen;            /* for isakmp/ipsec */
  62         time_t lifetime;        /* for isakmp */
  63         int lifebyte;           /* for isakmp */
  64         int proto_id;           /* for ipsec (isakmp?) */
  65         int ipsec_level;        /* for ipsec */
  66         int encmode;            /* for ipsec */
  67         int vendorid;           /* for isakmp */
  68         char *gssid;
  69         struct sockaddr_storage *remote;
  70         int algclass[MAXALGCLASS];
  71
  72         struct secprotospec *next;      /* the tail is the most prefiered. */
  73         struct secprotospec *prev;
  74         struct proposalspec *back;
  75 };
  76
  77
  78 struct etypes {
  79         int type;
  80         struct etypes *next;
  81 };
  82
  83 enum {
  84     DPD_ALGO_DEFAULT = 0,
  85     DPD_ALGO_INBOUND_DETECT,
  86     DPD_ALGO_BLACKHOLE_DETECT,
  87     DPD_ALGO_MAX,
  88 };
  89
  90 /* Script hooks */
  91 #define SCRIPT_PHASE1_UP        0
  92 #define SCRIPT_PHASE1_DOWN      1
  93 #define SCRIPT_MAX              1
  94 extern char *script_names[SCRIPT_MAX + 1];
  95
  96 struct remoteconf {
  97         struct sockaddr_storage *remote;        /* remote IP address */
  98     int remote_prefix;                  /* allows subnet for remote address */
  99                                         /* if family is AF_UNSPEC, that is
 100                                          * for anonymous configuration. */
 101
 102         struct etypes *etypes;          /* exchange type list. the head
 103                                          * is a type to be sent first. */
 104         int doitype;                    /* doi type */
 105         int sittype;                    /* situation type */
 106
 107         int idvtype;                    /* my identifier type */
 108         vchar_t *idv;                   /* my identifier */
 109         vchar_t *key;                   /* my pre-shared key */
 110         struct genlist *idvl_p;         /* peer's identifiers list */
 111
 112         int     identity_in_keychain;   /* cert and private key is in the keychain */
 113         vchar_t *keychainCertRef;       /* peristant keychain ref for cert */
 114         int secrettype;                 /* type of secret [use, key, keychain] */
 115         vchar_t *shared_secret; /* shared secret */
 116         vchar_t *open_dir_auth_group;   /* group to be used to authorize user */
 117
 118         int certtype;                   /* certificate type if need */
 119         char *mycertfile;               /* file name of my certificate */
 120         char *myprivfile;               /* file name of my private key file */
 121         char *peerscertfile;            /* file name of peer's certifcate */
 122         int getcert_method;             /* the way to get peer's certificate */
 123         int cacerttype;                 /* CA type is needed */
 124         char *cacertfile;               /* file name of CA */
 125         int getcacert_method;           /* the way to get the CA */
 126         int send_cert;                  /* send to CERT or not */
 127         int send_cr;                    /* send to CR or not */
 128         int verify_cert;                /* verify a CERT strictly */
 129         int cert_verification;  /* openssl or security framework */
 130         int cert_verification_option;   /* nothing, peers identifier, or open_dir */
 131         int verify_identifier;          /* vefify the peer's identifier */
 132         int nonce_size;                 /* the number of bytes of nonce */
 133         int passive;                    /* never initiate */
 134         int ike_frag;                   /* IKE fragmentation */
 135         int esp_frag;                   /* ESP fragmentation */
 136         int mode_cfg;                   /* Gets config through mode config */
 137         int support_proxy;              /* support mip6/proxy */
 138 #define GENERATE_POLICY_NONE   0
 139 #define GENERATE_POLICY_REQUIRE        1
 140 #define GENERATE_POLICY_UNIQUE 2
 141         int gen_policy;                 /* generate policy if no policy found */
 142         int ini_contact;                /* initial contact */
 143         int pcheck_level;               /* level of propocl checking */
 144         int nat_traversal;              /* NAT-Traversal */
 145         int natt_multiple_user; /* special handling of multiple users behind a nat - for VPN server */
 146         int natt_keepalive;             /* do we need to send natt keep alive */
 147         vchar_t *script[SCRIPT_MAX + 1];        /* script hooks paths */
 148         int dh_group;                   /* use it when only aggressive mode */
 149         struct dhgroup *dhgrp;          /* use it when only aggressive mode */
 150                                         /* above two can't be defined by user*/
 151
 152         int retry_counter;              /* times to retry. */
 153         int retry_interval;             /* interval each retry. */
 154                                 /* above 2 values are copied from localconf. */
 155
 156         int dpd;                                /* Negociate DPD support ? */
 157         int dpd_retry;                  /* in seconds */
 158         int dpd_interval;               /* in seconds */
 159         int dpd_maxfails;
 160     int dpd_algo;
 161     int idle_timeout;       /* in seconds */
 162     int idle_timeout_dir;   /* direction to check */
 163
 164         int ph1id; /* ph1id to be matched with sainfo sections */
 165
 166         int weak_phase1_check;          /* act on unencrypted deletions ? */
 167
 168         struct isakmpsa *proposal;      /* proposal list */
 169         struct remoteconf *inherited_from;      /* the original rmconf
 170                                                    from which this one
 171                                                    was inherited */
 172         struct proposalspec *prhead;
 173
 174 #ifdef ENABLE_HYBRID
 175         struct xauth_rmconf *xauth;
 176 #endif
 177         int initiate_ph1rekey;
 178         int    to_remove;
 179         int    to_delete;
 180         int    linked_to_ph1;
 181
 182         TAILQ_ENTRY(remoteconf) chain;  /* next remote conf */
 183 };
 184
 185 struct dhgroup;
 186
 187 /* ISAKMP SA specification */
 188 struct isakmpsa {
 189         int prop_no;
 190         int trns_no;
 191         time_t lifetime;
 192         size_t lifebyte;
 193         int enctype;
 194         int encklen;
 195         int authmethod;
 196         int hashtype;
 197         int vendorid;
 198 #ifdef HAVE_GSSAPI
 199         vchar_t *gssid;
 200 #endif
 201         int dh_group;                   /* don't use it if aggressive mode */
 202         struct dhgroup *dhgrp;          /* don't use it if aggressive mode */
 203
 204         struct isakmpsa *next;          /* next transform */
 205         struct remoteconf *rmconf;      /* backpointer to remoteconf */
 206 };
 207
 208 struct idspec {
 209         int idtype;                     /* identifier type */
 210         vchar_t *id;                    /* identifier */
 211 };
 212
 213 typedef struct remoteconf * (rmconf_func_t)(struct remoteconf *rmconf, void *data);
 214
 215 extern struct remoteconf *getrmconf __P((struct sockaddr_storage *));
 216 extern struct remoteconf *getrmconf_strict
 217         __P((struct sockaddr_storage *remote, int allow_anon));
 218
 219 extern int link_rmconf_to_ph1 __P((struct remoteconf *));
 220 extern int unlink_rmconf_from_ph1 __P((struct remoteconf *));
 221 extern int no_remote_configs __P((int));
 222 extern struct remoteconf *copyrmconf __P((struct sockaddr_storage *));
 223 extern struct remoteconf *newrmconf __P((void));
 224 extern struct remoteconf *duprmconf __P((struct remoteconf *));
 225 extern void delrmconf __P((struct remoteconf *));
 226 extern void delisakmpsa __P((struct isakmpsa *));
 227 extern void deletypes __P((struct etypes *));
 228 extern struct etypes * dupetypes __P((struct etypes *));
 229 extern void insrmconf __P((struct remoteconf *));
 230 extern void remrmconf __P((struct remoteconf *));
 231 extern void flushrmconf __P((void));
 232 extern void initrmconf __P((void));
 233 extern struct etypes *check_etypeok
 234         __P((struct remoteconf *, u_int8_t));
 235 extern struct remoteconf *foreachrmconf __P((rmconf_func_t rmconf_func,
 236                                              void *data));
 237
 238 extern struct isakmpsa *newisakmpsa __P((void));
 239 extern struct isakmpsa *dupisakmpsa __P((struct isakmpsa *));
 240
 241 extern void insisakmpsa __P((struct isakmpsa *, struct remoteconf *));
 242
 243 extern void dumprmconf __P((void));
 244
 245 extern struct idspec *newidspec __P((void));
 246
 247 extern vchar_t *script_path_add __P((vchar_t *));
 248
 249 extern void rsa_key_free __P((void *entry));
 250
 251 #endif /* _REMOTECONF_H */