[apple/ipsec.git] / ipsec-tools / racoon / isakmp_unity.c

/* $Id: isakmp_unity.c,v 1.5.4.1 2005/05/10 09:45:46 manubsd Exp $ */

/*
 * Copyright (C) 2004 Emmanuel Dreyfus
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "config.h"

#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/queue.h>

#include <netinet/in.h>
#include <arpa/inet.h>

#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
#  include <sys/time.h>
# else
#  include <time.h>
# endif
#endif
#include <netdb.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <ctype.h>

#include "var.h"
#include "misc.h"
#include "vmbuf.h"
#include "plog.h"
#include "sockmisc.h"
#include "schedule.h"
#include "debug.h"

#include "isakmp_var.h"
#include "isakmp.h"
#include "handler.h"
#include "isakmp_xauth.h"
#include "isakmp_unity.h"
#include "isakmp_cfg.h"
#include "strnames.h"

vchar_t *
isakmp_unity_req(iph1, attr)
	struct ph1handle *iph1;
	struct isakmp_data *attr;
{
	int type;
	vchar_t *reply_attr = NULL;

	if ((iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_UNITY) == 0) {
		plog(LLV_ERROR, LOCATION, NULL, 
		    "Unity mode config request but the peer "
		    "did not declare itself as  unity compliant\n");
		return NULL;
	}

	type = ntohs(attr->type);

	/* Handle short attributes */
	if ((type & ISAKMP_GEN_MASK) == ISAKMP_GEN_TV) {
		type &= ~ISAKMP_GEN_MASK;

		plog(LLV_DEBUG, LOCATION, NULL,
		     "Short attribute %d = %d\n", 
		     type, ntohs(attr->lorv));

		switch (type) {
		default:
			plog(LLV_DEBUG, LOCATION, NULL,
			     "Ignored short attribute %d\n", type);
			break;
		}

		return reply_attr;
	}

	switch(type) {
	case UNITY_BANNER: {
#define MAXMOTD 65536
		char buf[MAXMOTD + 1];
		int fd;
		char *filename = &isakmp_cfg_config.motd[0];
		size_t len;

		if ((fd = open(filename, O_RDONLY, 0)) == -1) {
			plog(LLV_ERROR, LOCATION, NULL, 
			    "Cannot open \"%s\"\n", filename);
			return NULL;
		}

		if ((len = read(fd, buf, MAXMOTD)) == -1) {
			plog(LLV_ERROR, LOCATION, NULL, 
			    "Cannot read \"%s\"\n", filename);
			close(fd);
			return NULL;
		}
		close(fd);

		buf[len] = '\0';
		reply_attr = isakmp_cfg_string(iph1, attr, buf);

		break;
	}

	case UNITY_PFS:
		reply_attr = isakmp_cfg_short(iph1, attr, 
		    isakmp_cfg_config.pfs_group);
		break;

	case UNITY_SAVE_PASSWD:
		reply_attr = isakmp_cfg_short(iph1, attr, 
		    isakmp_cfg_config.save_passwd);
		break;

	case UNITY_DDNS_HOSTNAME:
		reply_attr = isakmp_cfg_copy(iph1, attr);
		break;

	case UNITY_DEF_DOMAIN:
	case UNITY_FW_TYPE:
	case UNITY_SPLITDNS_NAME:
	case UNITY_SPLIT_INCLUDE:
	case UNITY_NATT_PORT:
	case UNITY_BACKUP_SERVERS:
	default:
		plog(LLV_DEBUG, LOCATION, NULL,
		     "Ignored attribute %d\n", type);
		return NULL;
		break;
	}

	return reply_attr;
}
Commit	Line	Data
52b7d2ce A	1	/* $Id: isakmp_unity.c,v 1.5.4.1 2005/05/10 09:45:46 manubsd Exp $ */
	2
	3	/*
	4	* Copyright (C) 2004 Emmanuel Dreyfus
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. Neither the name of the project nor the names of its contributors
	16	* may be used to endorse or promote products derived from this software
	17	* without specific prior written permission.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	20	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	22	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	25	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	26	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	27	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	28	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	29	* SUCH DAMAGE.
	30	*/
	31
	32	#include "config.h"
	33
	34	#include <sys/types.h>
	35	#include <sys/param.h>
	36	#include <sys/socket.h>
	37	#include <sys/queue.h>
	38
	39	#include <netinet/in.h>
	40	#include <arpa/inet.h>
	41
	42	#include <stdlib.h>
	43	#include <stdio.h>
	44	#include <fcntl.h>
	45	#include <string.h>
	46	#include <errno.h>
	47	#if TIME_WITH_SYS_TIME
	48	# include <sys/time.h>
	49	# include <time.h>
	50	#else
	51	# if HAVE_SYS_TIME_H
	52	# include <sys/time.h>
	53	# else
	54	# include <time.h>
	55	# endif
	56	#endif
	57	#include <netdb.h>
	58	#ifdef HAVE_UNISTD_H
	59	#include <unistd.h>
	60	#endif
	61	#include <ctype.h>
	62
	63	#include "var.h"
	64	#include "misc.h"
65	#include "vmbuf.h"
66	#include "plog.h"
67	#include "sockmisc.h"
68	#include "schedule.h"
69	#include "debug.h"
70
71	#include "isakmp_var.h"
72	#include "isakmp.h"
73	#include "handler.h"
74	#include "isakmp_xauth.h"
75	#include "isakmp_unity.h"
76	#include "isakmp_cfg.h"
77	#include "strnames.h"
78
79	vchar_t *
80	isakmp_unity_req(iph1, attr)
81	struct ph1handle *iph1;
82	struct isakmp_data *attr;
83	{
84	int type;
85	vchar_t *reply_attr = NULL;
86
87	if ((iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_UNITY) == 0) {
88	plog(LLV_ERROR, LOCATION, NULL,
89	"Unity mode config request but the peer "
90	"did not declare itself as unity compliant\n");
91	return NULL;
92	}
93
94	type = ntohs(attr->type);
95
96	/* Handle short attributes */
97	if ((type & ISAKMP_GEN_MASK) == ISAKMP_GEN_TV) {
98	type &= ~ISAKMP_GEN_MASK;
99
100	plog(LLV_DEBUG, LOCATION, NULL,
101	"Short attribute %d = %d\n",
102	type, ntohs(attr->lorv));
103
104	switch (type) {
105	default:
106	plog(LLV_DEBUG, LOCATION, NULL,
107	"Ignored short attribute %d\n", type);
108	break;
109	}
110
111	return reply_attr;
112	}
113
114	switch(type) {
115	case UNITY_BANNER: {
116	#define MAXMOTD 65536
117	char buf[MAXMOTD + 1];
118	int fd;
119	char *filename = &isakmp_cfg_config.motd[0];
120	size_t len;
121
122	if ((fd = open(filename, O_RDONLY, 0)) == -1) {
123	plog(LLV_ERROR, LOCATION, NULL,
124	"Cannot open \"%s\"\n", filename);
125	return NULL;
126	}
127
128	if ((len = read(fd, buf, MAXMOTD)) == -1) {
129	plog(LLV_ERROR, LOCATION, NULL,
130	"Cannot read \"%s\"\n", filename);
131	close(fd);
132	return NULL;
133	}
134	close(fd);
135
136	buf[len] = '\0';
137	reply_attr = isakmp_cfg_string(iph1, attr, buf);
138
139	break;
140	}
141
142	case UNITY_PFS:
143	reply_attr = isakmp_cfg_short(iph1, attr,
144	isakmp_cfg_config.pfs_group);
145	break;
146
147	case UNITY_SAVE_PASSWD:
148	reply_attr = isakmp_cfg_short(iph1, attr,
149	isakmp_cfg_config.save_passwd);
150	break;
151
152	case UNITY_DDNS_HOSTNAME:
153	reply_attr = isakmp_cfg_copy(iph1, attr);
154	break;
155
156	case UNITY_DEF_DOMAIN:
157	case UNITY_FW_TYPE:
158	case UNITY_SPLITDNS_NAME:
159	case UNITY_SPLIT_INCLUDE:
160	case UNITY_NATT_PORT:
161	case UNITY_BACKUP_SERVERS:
162	default:
163	plog(LLV_DEBUG, LOCATION, NULL,
164	"Ignored attribute %d\n", type);
165	return NULL;
166	break;
167	}
168
169	return reply_attr;
170	}
171
172