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 */
71struct isakmp_cfg_port {
72	char	used;
73#ifdef HAVE_LIBPAM
74	pam_handle_t *pam;
75#endif
76};
77
78struct 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
140extern struct isakmp_cfg_config isakmp_cfg_config;
141
142/*
143 * ISAKMP mode config state
144 */
145#define LOGINLEN 31
146struct 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};
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
185struct isakmp_pl_attr;
186struct ph1handle;
187struct isakmp_ivm;
188void isakmp_cfg_r(struct ph1handle *, vchar_t *);
189int isakmp_cfg_attr_r(struct ph1handle *, u_int32_t, struct isakmp_pl_attr *);
190int isakmp_cfg_reply(struct ph1handle *, struct isakmp_pl_attr *);
191int isakmp_cfg_request(struct ph1handle *, struct isakmp_pl_attr *);
192int isakmp_cfg_set(struct ph1handle *, struct isakmp_pl_attr *);
193int isakmp_cfg_send(struct ph1handle *, vchar_t *, u_int32_t, int, int);
194struct isakmp_ivm *isakmp_cfg_newiv(struct ph1handle *, u_int32_t);
195void isakmp_cfg_rmstate(struct ph1handle *);
196struct isakmp_cfg_state *isakmp_cfg_mkstate(void);
197vchar_t *isakmp_cfg_copy(struct ph1handle *, struct isakmp_data *);
198vchar_t *isakmp_cfg_short(struct ph1handle *, struct isakmp_data *, int);
199vchar_t *isakmp_cfg_varlen(struct ph1handle *, struct isakmp_data *, char *, size_t);
200vchar_t *isakmp_cfg_string(struct ph1handle *, struct isakmp_data *, char *);
201int isakmp_cfg_getconfig(struct ph1handle *);
202int isakmp_cfg_setenv(struct ph1handle *, char ***, int *);
203
204int isakmp_cfg_resize_pool(int);
205int isakmp_cfg_getport(struct ph1handle *);
206int isakmp_cfg_putport(struct ph1handle *, unsigned int);
207int isakmp_cfg_init(int);
208#define ISAKMP_CFG_INIT_COLD	1
209#define ISAKMP_CFG_INIT_WARM	0
210
211#ifdef HAVE_LIBRADIUS
212struct rad_handle;
213extern struct rad_handle *radius_acct_state;
214int isakmp_cfg_radius_common(struct rad_handle *, int);
215#endif
216
217#ifdef HAVE_LIBPAM
218int isakmp_cfg_accounting_pam(int, int);
219void cleanup_pam(int);
220#endif
221
222int isakmp_cfg_accounting_system(int, struct sockaddr *, char *, int);
223