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 #ifdef __APPLE__
  46 #include <CoreFoundation/CFData.h>
  47 #endif
  48 #include "algorithm.h"
  49
  50
  51 struct proposalspec {
  52         time_t lifetime;                /* for isakmp/ipsec */
  53         int lifebyte;                   /* for isakmp/ipsec */
  54         struct secprotospec *spspec;    /* the head is always current spec. */
  55         struct proposalspec *next;      /* the tail is the most prefered. */
  56         struct proposalspec *prev;
  57 };
  58
  59 struct secprotospec {
  60         int prop_no;
  61         int trns_no;
  62         int strength;           /* for isakmp/ipsec */
  63         int encklen;            /* for isakmp/ipsec */
  64         time_t lifetime;        /* for isakmp */
  65         int lifebyte;           /* for isakmp */
  66         int proto_id;           /* for ipsec (isakmp?) */
  67         int ipsec_level;        /* for ipsec */
  68         int encmode;            /* for ipsec */
  69         int vendorid;           /* for isakmp */
  70         char *gssid;
  71         struct sockaddr *remote;
  72         int algclass[MAXALGCLASS];
  73
  74         struct secprotospec *next;      /* the tail is the most prefiered. */
  75         struct secprotospec *prev;
  76         struct proposalspec *back;
  77 };
  78
  79
  80 struct etypes {
  81         int type;
  82         struct etypes *next;
  83 };
  84
  85 enum {
  86     DPD_ALGO_DEFAULT = 0,
  87     DPD_ALGO_INBOUND_DETECT,
  88     DPD_ALGO_BLACKHOLE_DETECT,
  89     DPD_ALGO_MAX,
  90 };
  91
  92 /* Script hooks */
  93 #define SCRIPT_PHASE1_UP        0
  94 #define SCRIPT_PHASE1_DOWN      1
  95 #define SCRIPT_MAX              1
  96 extern char *script_names[SCRIPT_MAX + 1];
  97
  98 struct remoteconf {
  99         struct sockaddr *remote;        /* remote IP address */
 100                                         /* if family is AF_UNSPEC, that is
 101                                          * for anonymous configuration. */
 102
 103         struct etypes *etypes;          /* exchange type list. the head
 104                                          * is a type to be sent first. */
 105         int doitype;                    /* doi type */
 106         int sittype;                    /* situation type */
 107
 108         int idvtype;                    /* my identifier type */
 109         vchar_t *idv;                   /* my identifier */
 110         vchar_t *key;                   /* my pre-shared key */
 111         struct genlist *idvl_p;         /* peer's identifiers list */
 112
 113 #ifdef __APPLE__
 114         int     identity_in_keychain;   /* cert and private key is in the keychain */
 115         vchar_t *keychainCertRef;       /* peristant keychain ref for cert */
 116         int secrettype;                 /* type of secret [use, key, keychain] */
 117         vchar_t *shared_secret; /* shared secret */
 118         vchar_t *open_dir_auth_group;   /* group to be used to authorize user */
 119 #endif
 120
 121         int certtype;                   /* certificate type if need */
 122         char *mycertfile;               /* file name of my certificate */
 123         char *myprivfile;               /* file name of my private key file */
 124         char *peerscertfile;            /* file name of peer's certifcate */
 125         int getcert_method;             /* the way to get peer's certificate */
 126         int cacerttype;                 /* CA type is needed */
 127         char *cacertfile;               /* file name of CA */
 128         int getcacert_method;           /* the way to get the CA */
 129         int send_cert;                  /* send to CERT or not */
 130         int send_cr;                    /* send to CR or not */
 131         int verify_cert;                /* verify a CERT strictly */
 132 #ifdef __APPLE__
 133         int cert_verification;  /* openssl or security framework */
 134         int cert_verification_option;   /* nothing, peers identifier, or open_dir */
 135 #endif
 136         int verify_identifier;          /* vefify the peer's identifier */
 137         int nonce_size;                 /* the number of bytes of nonce */
 138         int passive;                    /* never initiate */
 139         int ike_frag;                   /* IKE fragmentation */
 140         int esp_frag;                   /* ESP fragmentation */
 141         int mode_cfg;                   /* Gets config through mode config */
 142         int support_proxy;              /* support mip6/proxy */
 143 #define GENERATE_POLICY_NONE   0
 144 #define GENERATE_POLICY_REQUIRE        1
 145 #define GENERATE_POLICY_UNIQUE 2
 146         int gen_policy;                 /* generate policy if no policy found */
 147         int ini_contact;                /* initial contact */
 148         int pcheck_level;               /* level of propocl checking */
 149         int nat_traversal;              /* NAT-Traversal */
 150 #ifdef __APPLE__
 151         int natt_multiple_user; /* special handling of multiple users behind a nat - for VPN server */
 152         int natt_keepalive;             /* do we need to send natt keep alive */
 153 #endif
 154         vchar_t *script[SCRIPT_MAX + 1];        /* script hooks paths */
 155         int dh_group;                   /* use it when only aggressive mode */
 156         struct dhgroup *dhgrp;          /* use it when only aggressive mode */
 157                                         /* above two can't be defined by user*/
 158
 159         int retry_counter;              /* times to retry. */
 160         int retry_interval;             /* interval each retry. */
 161                                 /* above 2 values are copied from localconf. */
 162
 163         int dpd;                                /* Negociate DPD support ? */
 164         int dpd_retry;                  /* in seconds */
 165         int dpd_interval;               /* in seconds */
 166         int dpd_maxfails;
 167     int dpd_algo;
 168     int idle_timeout;       /* in seconds */
 169     int idle_timeout_dir;   /* direction to check */
 170
 171         int ph1id; /* ph1id to be matched with sainfo sections */
 172
 173         int weak_phase1_check;          /* act on unencrypted deletions ? */
 174
 175         struct isakmpsa *proposal;      /* proposal list */
 176         struct remoteconf *inherited_from;      /* the original rmconf
 177                                                    from which this one
 178                                                    was inherited */
 179         struct proposalspec *prhead;
 180
 181         struct genlist  *rsa_private,   /* lists of PlainRSA keys to use */
 182                         *rsa_public;
 183
 184 #ifdef ENABLE_HYBRID
 185         struct xauth_rmconf *xauth;
 186 #endif
 187         int initiate_ph1rekey;
 188
 189 #ifdef __APPLE__
 190         int    to_remove;
 191         int    to_delete;
 192         int    linked_to_ph1;
 193 #endif
 194
 195         TAILQ_ENTRY(remoteconf) chain;  /* next remote conf */
 196 };
 197
 198 struct dhgroup;
 199
 200 /* ISAKMP SA specification */
 201 struct isakmpsa {
 202         int prop_no;
 203         int trns_no;
 204         time_t lifetime;
 205         size_t lifebyte;
 206         int enctype;
 207         int encklen;
 208         int authmethod;
 209         int hashtype;
 210         int vendorid;
 211 #ifdef HAVE_GSSAPI
 212         vchar_t *gssid;
 213 #endif
 214         int dh_group;                   /* don't use it if aggressive mode */
 215         struct dhgroup *dhgrp;          /* don't use it if aggressive mode */
 216
 217         struct isakmpsa *next;          /* next transform */
 218         struct remoteconf *rmconf;      /* backpointer to remoteconf */
 219 };
 220
 221 struct idspec {
 222         int idtype;                     /* identifier type */
 223         vchar_t *id;                    /* identifier */
 224 };
 225
 226 typedef struct remoteconf * (rmconf_func_t)(struct remoteconf *rmconf, void *data);
 227
 228 extern struct remoteconf *getrmconf __P((struct sockaddr *));
 229 extern struct remoteconf *getrmconf_strict
 230         __P((struct sockaddr *remote, int allow_anon));
 231
 232 #ifdef __APPLE__
 233 extern int link_rmconf_to_ph1 __P((struct remoteconf *));
 234 extern int unlink_rmconf_from_ph1 __P((struct remoteconf *));
 235 #endif
 236 extern int no_remote_configs __P((int));
 237 extern struct remoteconf *copyrmconf __P((struct sockaddr *));
 238 extern struct remoteconf *newrmconf __P((void));
 239 extern struct remoteconf *duprmconf __P((struct remoteconf *));
 240 extern void delrmconf __P((struct remoteconf *));
 241 extern void delisakmpsa __P((struct isakmpsa *));
 242 extern void deletypes __P((struct etypes *));
 243 extern struct etypes * dupetypes __P((struct etypes *));
 244 extern void insrmconf __P((struct remoteconf *));
 245 extern void remrmconf __P((struct remoteconf *));
 246 extern void flushrmconf __P((void));
 247 extern void initrmconf __P((void));
 248 extern struct etypes *check_etypeok
 249         __P((struct remoteconf *, u_int8_t));
 250 extern struct remoteconf *foreachrmconf __P((rmconf_func_t rmconf_func,
 251                                              void *data));
 252
 253 extern struct isakmpsa *newisakmpsa __P((void));
 254 extern struct isakmpsa *dupisakmpsa __P((struct isakmpsa *));
 255
 256 extern void insisakmpsa __P((struct isakmpsa *, struct remoteconf *));
 257
 258 extern void dumprmconf __P((void));
 259
 260 extern struct idspec *newidspec __P((void));
 261
 262 extern vchar_t *script_path_add __P((vchar_t *));
 263
 264 extern void rsa_key_free __P((void *entry));
 265
 266 #endif /* _REMOTECONF_H */