ipsec-tools/racoon/isakmp_cfg.h

   1 /*      $NetBSD: isakmp_cfg.h,v 1.6 2006/09/09 16:22:09 manu Exp $      */
   2
   3 /*      $KAME$ */
   4
   5 /*
   6  * Copyright (C) 2004 Emmanuel Dreyfus
   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 #ifdef HAVE_LIBPAM
  35 #include <security/pam_appl.h>
  36 #endif
  37
  38 /*
  39  * XXX don't forget to update
  40  * src/racoon/handler.c:exclude_cfg_addr()
  41  * if you add IPv6 capability
  42  */
  43
  44 /* Attribute types */
  45 #define INTERNAL_IP4_ADDRESS        1
  46 #define INTERNAL_IP4_NETMASK        2
  47 #define INTERNAL_IP4_DNS            3
  48 #define INTERNAL_IP4_NBNS           4
  49 #define INTERNAL_ADDRESS_EXPIRY     5
  50 #define INTERNAL_IP4_DHCP           6
  51 #define APPLICATION_VERSION         7
  52 #define INTERNAL_IP6_ADDRESS        8
  53 #define INTERNAL_IP6_NETMASK        9
  54 #define INTERNAL_IP6_DNS           10
  55 #define INTERNAL_IP6_NBNS          11
  56 #define INTERNAL_IP6_DHCP          12
  57 #define INTERNAL_IP4_SUBNET        13
  58 #define SUPPORTED_ATTRIBUTES       14
  59 #define INTERNAL_IP6_SUBNET        15
  60
  61 /* For APPLICATION_VERSION */
  62 #define ISAKMP_CFG_RACOON_VERSION "racoon / IPsec-tools"
  63
  64 /* For the wins servers -- XXX find the value somewhere ? */
  65 #define MAXWINS 4
  66
  67 /*
  68  * Global configuration for ISAKMP mode confiration address allocation
  69  * Read from the mode_cfg section of racoon.conf
  70  */
  71 struct isakmp_cfg_port {
  72         char    used;
  73 #ifdef HAVE_LIBPAM
  74         pam_handle_t *pam;
  75 #endif
  76 };
  77
  78 struct isakmp_cfg_config {
  79         in_addr_t               network4;
  80         in_addr_t               netmask4;
  81         in_addr_t               dns4[MAXNS];
  82         int                     dns4_index;
  83         in_addr_t               nbns4[MAXWINS];
  84         int                     nbns4_index;
  85         struct isakmp_cfg_port  *port_pool;
  86         int                     authsource;
  87         int                     groupsource;
  88         char                    **grouplist;
  89         int                     groupcount;
  90         int                     confsource;
  91         int                     accounting;
  92         size_t                  pool_size;
  93         int                     auth_throttle;
  94         /* XXX move this to a unity specific sub-structure */
  95         char                    default_domain[MAXPATHLEN + 1];
  96         char                    motd[MAXPATHLEN + 1];
  97         struct unity_netentry   *splitnet_list;
  98         int                     splitnet_count;
  99         int                     splitnet_type;
 100         char                    *splitdns_list;
 101         int                     splitdns_len;
 102         int                     pfs_group;
 103         int                     save_passwd;
 104 };
 105
 106 /* For utmp updating */
 107 #define TERMSPEC        "vpn%d"
 108
 109 /* For authsource */
 110 #define ISAKMP_CFG_AUTH_SYSTEM  0
 111 #define ISAKMP_CFG_AUTH_RADIUS  1
 112 #define ISAKMP_CFG_AUTH_PAM     2
 113 #define ISAKMP_CFG_AUTH_LDAP    4
 114
 115 /* For groupsource */
 116 #define ISAKMP_CFG_GROUP_SYSTEM 0
 117 #define ISAKMP_CFG_GROUP_LDAP   1
 118
 119 /* For confsource */
 120 #define ISAKMP_CFG_CONF_LOCAL   0
 121 #define ISAKMP_CFG_CONF_RADIUS  1
 122 #define ISAKMP_CFG_CONF_LDAP    2
 123
 124 /* For accounting */
 125 #define ISAKMP_CFG_ACCT_NONE    0
 126 #define ISAKMP_CFG_ACCT_RADIUS  1
 127 #define ISAKMP_CFG_ACCT_PAM     2
 128 #define ISAKMP_CFG_ACCT_LDAP    3
 129 #define ISAKMP_CFG_ACCT_SYSTEM  4
 130
 131 /* For pool_size */
 132 #define ISAKMP_CFG_MAX_CNX      255
 133
 134 /* For motd */
 135 #define ISAKMP_CFG_MOTD "/etc/motd"
 136
 137 /* For default domain */
 138 #define ISAKMP_CFG_DEFAULT_DOMAIN ""
 139
 140 extern struct isakmp_cfg_config isakmp_cfg_config;
 141
 142 /*
 143  * ISAKMP mode config state
 144  */
 145 #define LOGINLEN 31
 146 struct isakmp_cfg_state {
 147         int flags;                      /* See below */
 148         unsigned int port;              /* address index */
 149         char login[LOGINLEN + 1];       /* login */
 150         struct in_addr addr4;           /* IPv4 address */
 151         struct in_addr mask4;           /* IPv4 netmask */
 152         struct in_addr dns4[MAXNS];     /* IPv4 DNS (when client only) */
 153         int dns4_index;                 /* Number of IPv4 DNS (client only) */
 154         struct in_addr wins4[MAXWINS];  /* IPv4 WINS (when client only) */
 155         int wins4_index;                /* Number of IPv4 WINS (client only) */
 156         char default_domain[MAXPATHLEN + 1];    /* Default domain recieved */
 157         struct unity_netentry
 158             *split_include;             /* UNITY_SPLIT_INCLUDE */
 159         int include_count;              /* Number of SPLIT_INCLUDES */
 160         struct unity_netentry
 161             *split_local;               /* UNITY_LOCAL_LAN */
 162         int local_count;                /* Number of SPLIT_LOCAL */
 163         struct xauth_state xauth;       /* Xauth state, if revelant */
 164         struct isakmp_ivm *ivm;         /* XXX Use iph1's ivm? */
 165         u_int32_t last_msgid;           /* Last message-ID */
 166         vchar_t *attr_list;                     /* list of mode config attributes - used when started by api */
 167 };
 168
 169 /* flags */
 170 #define ISAKMP_CFG_VENDORID_XAUTH       0x01    /* Supports Xauth */
 171 #define ISAKMP_CFG_VENDORID_UNITY       0x02    /* Cisco Unity compliant */
 172 #define ISAKMP_CFG_PORT_ALLOCATED       0x04    /* Port allocated */
 173 #define ISAKMP_CFG_ADDR4_EXTERN         0x08    /* Address from external config  */
 174 #define ISAKMP_CFG_MASK4_EXTERN         0x10    /* Netmask from external config */
 175 #define ISAKMP_CFG_ADDR4_LOCAL          0x20    /* Address from local pool */
 176 #define ISAKMP_CFG_MASK4_LOCAL          0x40    /* Netmask from local pool */
 177 #define ISAKMP_CFG_GOT_ADDR4            0x80    /* Client got address */
 178 #define ISAKMP_CFG_GOT_MASK4            0x100   /* Client got mask */
 179 #define ISAKMP_CFG_GOT_DNS4             0x200   /* Client got DNS */
 180 #define ISAKMP_CFG_GOT_WINS4            0x400   /* Client got WINS */
 181 #define ISAKMP_CFG_DELETE_PH1           0x800   /* phase 1 should be deleted */
 182 #define ISAKMP_CFG_GOT_DEFAULT_DOMAIN   0x1000  /* Client got default domain */
 183 #define ISAKMP_CFG_GOT_SPLIT_INCLUDE    0x2000  /* Client got a split network config */
 184 #define ISAKMP_CFG_GOT_SPLIT_LOCAL      0x4000  /* Client got a split LAN config */
 185 #define ISAKMP_CFG_GOT_REPLY            0x8000  /* got config data from reply - don't process again */
 186
 187 struct isakmp_pl_attr;
 188 struct ph1handle;
 189 struct isakmp_ivm;
 190 void isakmp_cfg_r(struct ph1handle *, vchar_t *);
 191 int isakmp_cfg_attr_r(struct ph1handle *, u_int32_t, struct isakmp_pl_attr *, vchar_t *);
 192 int isakmp_cfg_reply(struct ph1handle *, struct isakmp_pl_attr *);
 193 int isakmp_cfg_request(struct ph1handle *, struct isakmp_pl_attr *, vchar_t *);
 194 int isakmp_cfg_set(struct ph1handle *, struct isakmp_pl_attr *, vchar_t *);
 195 int isakmp_cfg_send(struct ph1handle *, vchar_t *, u_int32_t, int, int, int, vchar_t *);
 196 struct isakmp_ivm *isakmp_cfg_newiv(struct ph1handle *, u_int32_t);
 197 void isakmp_cfg_rmstate(struct ph1handle *);
 198 struct isakmp_cfg_state *isakmp_cfg_mkstate(void);
 199 vchar_t *isakmp_cfg_copy(struct ph1handle *, struct isakmp_data *);
 200 vchar_t *isakmp_cfg_short(struct ph1handle *, struct isakmp_data *, int);
 201 vchar_t *isakmp_cfg_varlen(struct ph1handle *, struct isakmp_data *, char *, size_t);
 202 vchar_t *isakmp_cfg_string(struct ph1handle *, struct isakmp_data *, char *);
 203 int isakmp_cfg_getconfig(struct ph1handle *);
 204 int isakmp_cfg_setenv(struct ph1handle *, char ***, int *);
 205
 206 int isakmp_cfg_resize_pool(int);
 207 int isakmp_cfg_getport(struct ph1handle *);
 208 int isakmp_cfg_putport(struct ph1handle *, unsigned int);
 209 int isakmp_cfg_init(int);
 210 #define ISAKMP_CFG_INIT_COLD    1
 211 #define ISAKMP_CFG_INIT_WARM    0
 212
 213 #ifdef HAVE_LIBRADIUS
 214 struct rad_handle;
 215 extern struct rad_handle *radius_acct_state;
 216 int isakmp_cfg_radius_common(struct rad_handle *, int);
 217 #endif
 218
 219 #ifdef HAVE_LIBPAM
 220 int isakmp_cfg_accounting_pam(int, int);
 221 void cleanup_pam(int);
 222 #endif
 223
 224 int isakmp_cfg_accounting_system(int, struct sockaddr *, char *, int);