X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=userapps%2Fopensource%2Fipsec-tools%2Fsrc%2Fracoon%2Fremoteconf.c;fp=userapps%2Fopensource%2Fipsec-tools%2Fsrc%2Fracoon%2Fremoteconf.c;h=eb26e56a1ebe5b1854f13c1c5df51f944af98f63;hb=864458111a0e69d94bbae210d5b7349ca072a6b7;hp=0000000000000000000000000000000000000000;hpb=57a096f051259ceaefd5977f30d269884e1dd248;p=bcm963xx.git

diff --git a/userapps/opensource/ipsec-tools/src/racoon/remoteconf.c b/userapps/opensource/ipsec-tools/src/racoon/remoteconf.c
new file mode 100755
index 00000000..eb26e56a
--- /dev/null
+++ b/userapps/opensource/ipsec-tools/src/racoon/remoteconf.c
@@ -0,0 +1,596 @@
+/* $Id: remoteconf.c,v 1.24 2004/12/01 10:59:41 vanhu Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * 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>
+
+#ifndef HAVE_NETINET6_IPSEC
+#include <netinet/ipsec.h>
+#else
+#include <netinet6/ipsec.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "var.h"
+#include "misc.h"
+#include "vmbuf.h"
+#include "plog.h"
+#include "sockmisc.h"
+#include "genlist.h"
+#include "debug.h"
+
+#include "isakmp_var.h"
+#include "isakmp.h"
+#include "ipsec_doi.h"
+#include "oakley.h"
+#include "remoteconf.h"
+#include "localconf.h"
+#include "grabmyaddr.h"
+#include "proposal.h"
+#include "vendorid.h"
+#include "gcmalloc.h"
+#include "strnames.h"
+#include "algorithm.h"
+#include "nattraversal.h"
+#include "genlist.h"
+
+static TAILQ_HEAD(_rmtree, remoteconf) rmtree;
+
+/* 
+ * Script hook names
+ */
+char *script_names[SCRIPT_MAX + 1] = { "phase1_up", "phase1_down" };
+
+/*%%%*/
+/*
+ * search remote configuration.
+ * don't use port number to search if its value is either IPSEC_PORT_ANY.
+ * If matching anonymous entry, then new entry is copied from anonymous entry.
+ * If no anonymous entry found, then return NULL.
+ * OUT:	NULL:	NG
+ *	Other:	remote configuration entry.
+ */
+struct remoteconf *
+getrmconf_strict(remote, allow_anon)
+	struct sockaddr *remote;
+	int allow_anon;
+{
+	struct remoteconf *p;
+	struct remoteconf *anon = NULL;
+	int withport;
+	char buf[NI_MAXHOST + NI_MAXSERV + 10];
+	char addr[NI_MAXHOST], port[NI_MAXSERV];
+
+	withport = 0;
+
+	switch (remote->sa_family) {
+	case AF_INET:
+		if (((struct sockaddr_in *)remote)->sin_port != IPSEC_PORT_ANY)
+			withport = 1;
+		break;
+#ifdef INET6
+	case AF_INET6:
+		if (((struct sockaddr_in6 *)remote)->sin6_port != IPSEC_PORT_ANY)
+			withport = 1;
+		break;
+#endif
+	case AF_UNSPEC:
+		break;
+
+	default:
+		plog(LLV_ERROR, LOCATION, NULL,
+			"invalid family: %d\n", remote->sa_family);
+		exit(1);
+	}
+
+	if (remote->sa_family == AF_UNSPEC)
+		snprintf (buf, sizeof(buf), "%s", "anonymous");
+	else {
+		GETNAMEINFO(remote, addr, port);
+		snprintf(buf, sizeof(buf), "%s%s%s%s", addr,
+			withport ? "[" : "",
+			withport ? port : "",
+			withport ? "]" : "");
+	}
+
+	TAILQ_FOREACH(p, &rmtree, chain) {
+		if ((remote->sa_family == AF_UNSPEC
+		     && remote->sa_family == p->remote->sa_family)
+		 || (!withport && cmpsaddrwop(remote, p->remote) == 0)
+		 || (withport && cmpsaddrstrict(remote, p->remote) == 0)) {
+			plog(LLV_DEBUG, LOCATION, NULL,
+				"configuration found for %s.\n", buf);
+			return p;
+		}
+
+		/* save the pointer to the anonymous configuration */
+		if (p->remote->sa_family == AF_UNSPEC)
+			anon = p;
+	}
+
+	if (allow_anon && anon != NULL) {
+		plog(LLV_DEBUG, LOCATION, NULL,
+			"anonymous configuration selected for %s.\n", buf);
+		return anon;
+	}
+
+	plog(LLV_DEBUG, LOCATION, NULL,
+		"no remote configuration found.\n");
+
+	return NULL;
+}
+
+struct remoteconf *
+getrmconf(remote)
+	struct sockaddr *remote;
+{
+	return getrmconf_strict(remote, 1);
+}
+
+struct remoteconf *
+newrmconf()
+{
+	struct remoteconf *new;
+
+	new = racoon_calloc(1, sizeof(*new));
+	if (new == NULL)
+		return NULL;
+
+	new->proposal = NULL;
+
+	/* set default */
+	new->doitype = IPSEC_DOI;
+	new->sittype = IPSECDOI_SIT_IDENTITY_ONLY;
+	new->idvtype = IDTYPE_UNDEFINED;
+	new->idvl_p = genlist_init();
+	new->nonce_size = DEFAULT_NONCE_SIZE;
+	new->passive = FALSE;
+	new->ike_frag = FALSE;
+	new->ini_contact = TRUE;
+	new->mode_cfg = FALSE;
+	new->pcheck_level = PROP_CHECK_STRICT;
+	new->verify_identifier = FALSE;
+	new->verify_cert = TRUE;
+	new->getcert_method = ISAKMP_GETCERT_PAYLOAD;
+	new->getcacert_method = ISAKMP_GETCERT_LOCALFILE;
+	new->cacerttype = ISAKMP_CERT_X509SIGN;
+	new->cacertfile = NULL;
+	new->send_cert = TRUE;
+	new->send_cr = TRUE;
+	new->support_proxy = FALSE;
+	bzero(&new->script[0], sizeof(char *) * (SCRIPT_MAX + 1));
+	new->gen_policy = FALSE;
+	new->retry_counter = lcconf->retry_counter;
+	new->retry_interval = lcconf->retry_interval;
+	new->nat_traversal = FALSE;
+	new->rsa_private = genlist_init();
+	new->rsa_public = genlist_init();
+	new->idv = NULL;
+	new->key = NULL;
+
+	new->dpd = TRUE; /* Enable DPD support by default */
+	new->dpd_interval = 0; /* Disable DPD checks by default */
+	new->dpd_retry = 5;
+	new->dpd_maxfails = 5;
+
+	return new;
+}
+
+struct remoteconf *
+copyrmconf(remote)
+	struct sockaddr *remote;
+{
+	struct remoteconf *new, *old;
+
+	old = getrmconf_strict (remote, 0);
+	if (old == NULL) {
+		plog (LLV_ERROR, LOCATION, NULL,
+		      "Remote configuration for '%s' not found!\n",
+		      saddr2str (remote));
+		return NULL;
+	}
+
+	new = duprmconf (old);
+
+	return new;
+}
+
+void *
+dupidvl(entry, arg)
+	void *entry;
+	void *arg;
+{
+	struct idspec *id;
+	struct idspec *old = (struct idspec *) entry;
+	id = newidspec();
+	if (!id) return (void *) -1;
+
+	if (set_identifier(&id->id, old->idtype, old->id) != 0) 
+		return (void *) -1;
+
+	id->idtype = old->idtype;
+
+	genlist_append(arg, id);
+	return NULL;
+}
+
+struct remoteconf *
+duprmconf (rmconf)
+	struct remoteconf *rmconf;
+{
+	struct remoteconf *new;
+
+	new = racoon_calloc(1, sizeof(*new));
+	if (new == NULL)
+		return NULL;
+	memcpy (new, rmconf, sizeof (*new));
+	// FIXME: We should duplicate the proposal as well.
+	// This is now handled in the cfparse.y
+	// new->proposal = ...;
+	
+	/* duplicate dynamic structures */
+	if (new->etypes)
+		new->etypes=dupetypes(new->etypes);
+	new->idvl_p = genlist_init();
+	genlist_foreach(rmconf->idvl_p, dupidvl, new->idvl_p);
+
+	return new;
+}
+
+static void
+idspec_free(void *data)
+{
+	vfree (((struct idspec *)data)->id);
+	free (data);
+}
+
+void
+delrmconf(rmconf)
+	struct remoteconf *rmconf;
+{
+	if (rmconf->etypes)
+		deletypes(rmconf->etypes);
+	if (rmconf->idvl_p)
+		genlist_free(rmconf->idvl_p, idspec_free);
+	if (rmconf->dhgrp)
+		oakley_dhgrp_free(rmconf->dhgrp);
+	if (rmconf->proposal)
+		delisakmpsa(rmconf->proposal);
+	racoon_free(rmconf);
+}
+
+void
+delisakmpsa(sa)
+	struct isakmpsa *sa;
+{
+	if (sa->dhgrp)
+		oakley_dhgrp_free(sa->dhgrp);
+	if (sa->next)
+		delisakmpsa(sa->next);
+#ifdef HAVE_GSSAPI
+	if (sa->gssid)
+		vfree(sa->gssid);
+#endif
+	racoon_free(sa);
+}
+
+struct etypes *
+dupetypes(orig)
+	struct etypes *orig;
+{
+	struct etypes *new;
+
+	if (!orig) 
+		return NULL;
+
+	new = racoon_malloc(sizeof(struct etypes));
+	if (new == NULL) 
+		return NULL;
+
+	new->type = orig->type;
+	new->next = NULL;
+
+	if (orig->next)
+		new->next=dupetypes(orig->next);
+
+	return new;
+}
+
+void
+deletypes(e)
+	struct etypes *e;
+{
+	if (e->next)
+		deletypes(e->next);
+	racoon_free(e);
+}
+
+/*
+ * insert into head of list.
+ */
+void
+insrmconf(new)
+	struct remoteconf *new;
+{
+	TAILQ_INSERT_HEAD(&rmtree, new, chain);
+}
+
+void
+remrmconf(rmconf)
+	struct remoteconf *rmconf;
+{
+	TAILQ_REMOVE(&rmtree, rmconf, chain);
+}
+
+void
+flushrmconf()
+{
+	struct remoteconf *p, *next;
+
+	for (p = TAILQ_FIRST(&rmtree); p; p = next) {
+		next = TAILQ_NEXT(p, chain);
+		remrmconf(p);
+		delrmconf(p);
+	}
+}
+
+void
+initrmconf()
+{
+	TAILQ_INIT(&rmtree);
+}
+
+/* check exchange type to be acceptable */
+struct etypes *
+check_etypeok(rmconf, etype)
+	struct remoteconf *rmconf;
+	u_int8_t etype;
+{
+	struct etypes *e;
+
+	for (e = rmconf->etypes; e != NULL; e = e->next) {
+		if (e->type == etype)
+			break;
+	}
+
+	return e;
+}
+
+/*%%%*/
+struct isakmpsa *
+newisakmpsa()
+{
+	struct isakmpsa *new;
+
+	new = racoon_calloc(1, sizeof(*new));
+	if (new == NULL)
+		return NULL;
+
+	/*
+	 * Just for sanity, make sure this is initialized.  This is
+	 * filled in for real when the ISAKMP proposal is configured.
+	 */
+	new->vendorid = VENDORID_UNKNOWN;
+
+	new->next = NULL;
+	new->rmconf = NULL;
+#ifdef HAVE_GSSAPI
+	new->gssid = NULL;
+#endif
+
+	return new;
+}
+
+/*
+ * insert into tail of list.
+ */
+void
+insisakmpsa(new, rmconf)
+	struct isakmpsa *new;
+	struct remoteconf *rmconf;
+{
+	struct isakmpsa *p;
+
+	new->rmconf = rmconf;
+
+	if (rmconf->proposal == NULL) {
+		rmconf->proposal = new;
+		return;
+	}
+
+	for (p = rmconf->proposal; p->next != NULL; p = p->next)
+		;
+	p->next = new;
+
+	return;
+}
+
+struct remoteconf *
+foreachrmconf(rmconf_func_t rmconf_func, void *data)
+{
+	struct remoteconf *p, *ret = NULL;
+	
+	TAILQ_FOREACH_REVERSE(p, &rmtree, _rmtree, chain) {
+		ret = (*rmconf_func)(p, data);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+
+static void *
+dump_peers_identifiers (void *entry, void *arg)
+{
+	struct idspec *id = (struct idspec*) entry;
+	char buf[1024], *pbuf;
+	pbuf = buf;
+	pbuf += sprintf (pbuf, "\tpeers_identifier %s",
+			 s_idtype (id->idtype));
+	if (id->id)
+		pbuf += sprintf (pbuf, " \"%s\"", id->id->v);
+	plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf);
+	return NULL;
+}
+
+static struct remoteconf *
+dump_rmconf_single (struct remoteconf *p, void *data)
+{
+	struct etypes *etype = p->etypes;
+	struct isakmpsa *prop = p->proposal;
+	char buf[1024], *pbuf;
+
+	pbuf = buf;
+	pbuf += sprintf(pbuf, "remote %s", saddr2str(p->remote));
+	if (p->inherited_from)
+		pbuf += sprintf(pbuf, " inherit %s",
+				saddr2str(p->inherited_from->remote));
+	plog(LLV_INFO, LOCATION, NULL, "%s {\n", buf);
+	pbuf = buf;
+	pbuf += sprintf(pbuf, "\texchange_type ");
+	while (etype) {
+		pbuf += sprintf (pbuf, "%s%s", s_etype(etype->type),
+				 etype->next != NULL ? ", " : ";\n");
+		etype = etype->next;
+	}
+	plog(LLV_INFO, LOCATION, NULL, "%s", buf);
+	plog(LLV_INFO, LOCATION, NULL, "\tdoi %s;\n", s_doi(p->doitype));
+	pbuf = buf;
+	pbuf += sprintf(pbuf, "\tmy_identifier %s", s_idtype (p->idvtype));
+	if (p->idvtype == IDTYPE_ASN1DN) {
+		plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf);
+		plog(LLV_INFO, LOCATION, NULL, "\tcertificate_type %s \"%s\" \"%s\";\n",
+			p->certtype == ISAKMP_CERT_X509SIGN ? "x509" : "*UNKNOWN*",
+			p->mycertfile, p->myprivfile);
+		switch (p->getcert_method) {
+		  case 0:
+		  	break;
+		  case ISAKMP_GETCERT_PAYLOAD:
+			plog(LLV_INFO, LOCATION, NULL, "\t/* peers certificate from payload */\n");
+			break;
+		  case ISAKMP_GETCERT_LOCALFILE:
+			plog(LLV_INFO, LOCATION, NULL, "\tpeers_certfile \"%s\";\n", p->peerscertfile);
+			break;
+		  case ISAKMP_GETCERT_DNS:
+			plog(LLV_INFO, LOCATION, NULL, "\tpeer_certfile dnssec;\n");
+			break;
+		  default:
+			plog(LLV_INFO, LOCATION, NULL, "\tpeers_certfile *UNKNOWN* (%d)\n", p->getcert_method);
+		}
+	}
+	else {
+		if (p->idv)
+			pbuf += sprintf (pbuf, " \"%s\"", p->idv->v);
+		plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf);
+		genlist_foreach(p->idvl_p, &dump_peers_identifiers, NULL);
+	}
+
+	plog(LLV_INFO, LOCATION, NULL, "\tsend_cert %s;\n",
+		s_switch (p->send_cert));
+	plog(LLV_INFO, LOCATION, NULL, "\tsend_cr %s;\n",
+		s_switch (p->send_cr));
+	plog(LLV_INFO, LOCATION, NULL, "\tverify_cert %s;\n",
+		s_switch (p->verify_cert));
+	plog(LLV_INFO, LOCATION, NULL, "\tverify_identifier %s;\n",
+		s_switch (p->verify_identifier));
+	plog(LLV_INFO, LOCATION, NULL, "\tnat_traversal %s;\n",
+		p->nat_traversal == NATT_FORCE ?
+			"force" : s_switch (p->nat_traversal));
+	plog(LLV_INFO, LOCATION, NULL, "\tnonce_size %d;\n",
+		p->nonce_size);
+	plog(LLV_INFO, LOCATION, NULL, "\tpassive %s;\n",
+		s_switch (p->passive));
+	plog(LLV_INFO, LOCATION, NULL, "\tike_frag %s;\n",
+		s_switch (p->ike_frag));
+	plog(LLV_INFO, LOCATION, NULL, "\tinitial_contact %s;\n",
+		s_switch (p->ini_contact));
+	plog(LLV_INFO, LOCATION, NULL, "\tgenerate_policy %s;\n",
+		s_switch (p->gen_policy));
+	plog(LLV_INFO, LOCATION, NULL, "\tsupport_proxy %s;\n",
+		s_switch (p->support_proxy));
+
+	while (prop) {
+		plog(LLV_INFO, LOCATION, NULL, "\n");
+		plog(LLV_INFO, LOCATION, NULL,
+			"\t/* prop_no=%d, trns_no=%d, rmconf=%s */\n",
+			prop->prop_no, prop->trns_no,
+			saddr2str(prop->rmconf->remote));
+		plog(LLV_INFO, LOCATION, NULL, "\tproposal {\n");
+		plog(LLV_INFO, LOCATION, NULL, "\t\tlifetime time %lu sec;\n",
+			(long)prop->lifetime);
+		plog(LLV_INFO, LOCATION, NULL, "\t\tlifetime bytes %zd;\n",
+			prop->lifebyte);
+		plog(LLV_INFO, LOCATION, NULL, "\t\tdh_group %s;\n",
+			alg_oakley_dhdef_name(prop->dh_group));
+		plog(LLV_INFO, LOCATION, NULL, "\t\tencryption_algorithm %s;\n", 
+			alg_oakley_encdef_name(prop->enctype));
+		plog(LLV_INFO, LOCATION, NULL, "\t\thash_algorithm %s;\n", 
+			alg_oakley_hashdef_name(prop->hashtype));
+		plog(LLV_INFO, LOCATION, NULL, "\t\tauthentication_method %s;\n", 
+			alg_oakley_authdef_name(prop->authmethod));
+		plog(LLV_INFO, LOCATION, NULL, "\t}\n");
+		prop = prop->next;
+	}
+	plog(LLV_INFO, LOCATION, NULL, "}\n");
+	plog(LLV_INFO, LOCATION, NULL, "\n");
+
+	return NULL;
+}
+
+void
+dumprmconf()
+{
+	foreachrmconf (dump_rmconf_single, NULL);
+}
+
+struct idspec *
+newidspec()
+{
+	struct idspec *new;
+
+	new = racoon_calloc(1, sizeof(*new));
+	if (new == NULL)
+		return NULL;
+	new->idtype = IDTYPE_ADDRESS;
+
+	return new;
+}
+