1 /* $NetBSD: isakmp_cfg.h,v 1.8 2025/03/08 16:39:08 christos 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 uint32_t last_msgid; /* Last message-ID */ 166 }; 167 168 /* flags */ 169 #define ISAKMP_CFG_VENDORID_XAUTH 0x01 /* Supports Xauth */ 170 #define ISAKMP_CFG_VENDORID_UNITY 0x02 /* Cisco Unity compliant */ 171 #define ISAKMP_CFG_PORT_ALLOCATED 0x04 /* Port allocated */ 172 #define ISAKMP_CFG_ADDR4_EXTERN 0x08 /* Address from external config */ 173 #define ISAKMP_CFG_MASK4_EXTERN 0x10 /* Netmask from external config */ 174 #define ISAKMP_CFG_ADDR4_LOCAL 0x20 /* Address from local pool */ 175 #define ISAKMP_CFG_MASK4_LOCAL 0x40 /* Netmask from local pool */ 176 #define ISAKMP_CFG_GOT_ADDR4 0x80 /* Client got address */ 177 #define ISAKMP_CFG_GOT_MASK4 0x100 /* Client got mask */ 178 #define ISAKMP_CFG_GOT_DNS4 0x200 /* Client got DNS */ 179 #define ISAKMP_CFG_GOT_WINS4 0x400 /* Client got WINS */ 180 #define ISAKMP_CFG_DELETE_PH1 0x800 /* phase 1 should be deleted */ 181 #define ISAKMP_CFG_GOT_DEFAULT_DOMAIN 0x1000 /* Client got default domain */ 182 #define ISAKMP_CFG_GOT_SPLIT_INCLUDE 0x2000 /* Client got a split network config */ 183 #define ISAKMP_CFG_GOT_SPLIT_LOCAL 0x4000 /* Client got a split LAN config */ 184 185 struct isakmp_pl_attr; 186 struct ph1handle; 187 struct isakmp_ivm; 188 void isakmp_cfg_r(struct ph1handle *, vchar_t *); 189 int isakmp_cfg_attr_r(struct ph1handle *, uint32_t, struct isakmp_pl_attr *); 190 int isakmp_cfg_reply(struct ph1handle *, struct isakmp_pl_attr *); 191 int isakmp_cfg_request(struct ph1handle *, struct isakmp_pl_attr *); 192 int isakmp_cfg_set(struct ph1handle *, struct isakmp_pl_attr *); 193 int isakmp_cfg_send(struct ph1handle *, vchar_t *, uint32_t, int, int); 194 struct isakmp_ivm *isakmp_cfg_newiv(struct ph1handle *, uint32_t); 195 void isakmp_cfg_rmstate(struct ph1handle *); 196 struct isakmp_cfg_state *isakmp_cfg_mkstate(void); 197 vchar_t *isakmp_cfg_copy(struct ph1handle *, struct isakmp_data *); 198 vchar_t *isakmp_cfg_short(struct ph1handle *, struct isakmp_data *, int); 199 vchar_t *isakmp_cfg_varlen(struct ph1handle *, struct isakmp_data *, const char *, size_t); 200 vchar_t *isakmp_cfg_string(struct ph1handle *, struct isakmp_data *, const char *); 201 int isakmp_cfg_getconfig(struct ph1handle *); 202 int isakmp_cfg_setenv(struct ph1handle *, char ***, int *); 203 204 int isakmp_cfg_resize_pool(int); 205 int isakmp_cfg_getport(struct ph1handle *); 206 int isakmp_cfg_putport(struct ph1handle *, unsigned int); 207 int isakmp_cfg_init(int); 208 #define ISAKMP_CFG_INIT_COLD 1 209 #define ISAKMP_CFG_INIT_WARM 0 210 211 #ifdef HAVE_LIBRADIUS 212 struct rad_handle; 213 extern struct rad_handle *radius_acct_state; 214 int isakmp_cfg_radius_common(struct rad_handle *, int); 215 #endif 216 217 #ifdef HAVE_LIBPAM 218 int isakmp_cfg_accounting_pam(int, int); 219 void cleanup_pam(int); 220 #endif 221 222 int isakmp_cfg_accounting_system(int, struct sockaddr *, char *, int); 223