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path: root/extra/ipsec-tools/40-cmpsaddr-cleanup.patch
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Get rid of CMPSADDR hack in port comparisons. Trac #295.

From: Timo Teras <timo.teras@iki.fi>


---

 src/racoon/admin.c        |   37 ++++---
 src/racoon/grabmyaddr.c   |   22 ++--
 src/racoon/handler.c      |   41 +++-----
 src/racoon/handler.h      |    7 -
 src/racoon/isakmp.c       |   90 ++++-------------
 src/racoon/isakmp_cfg.c   |    9 --
 src/racoon/isakmp_inf.c   |  111 ++++-----------------
 src/racoon/isakmp_quick.c |   29 +++---
 src/racoon/nattraversal.c |    8 +-
 src/racoon/pfkey.c        |   52 +++-------
 src/racoon/policy.c       |   22 ++--
 src/racoon/remoteconf.c   |   30 +-----
 src/racoon/remoteconf.h   |    3 -
 src/racoon/sockmisc.c     |  234 +++------------------------------------------
 src/racoon/sockmisc.h     |   15 +--
 src/racoon/throttle.c     |    2 
 16 files changed, 170 insertions(+), 542 deletions(-)


diff --git a/src/racoon/admin.c b/src/racoon/admin.c
index 576e191..b67e545 100644
--- a/src/racoon/admin.c
+++ b/src/racoon/admin.c
@@ -167,6 +167,14 @@ end:
 	return error;
 }
 
+static int admin_ph1_delete_sa(struct ph1handle *iph1, void *arg)
+{
+	if (iph1->status >= PHASE1ST_ESTABLISHED)
+		isakmp_info_send_d1(iph1);
+	purge_remote(iph1);
+	return 0;
+}
+
 /*
  * main child's process.
  */
@@ -257,7 +265,7 @@ admin_process(so2, combuf)
 			break;
 		}
 
-		iph1 = getph1byaddrwop(src, dst);
+		iph1 = getph1byaddr(src, dst, 0);
 		if (iph1 == NULL) {
 			l_ac_errno = ENOENT;
 			break;
@@ -292,30 +300,25 @@ admin_process(so2, combuf)
 
 	case ADMIN_DELETE_SA: {
 		struct ph1handle *iph1;
-		struct sockaddr *dst;
-		struct sockaddr *src;
+		struct ph1selector sel;
 		char *loc, *rem;
 
-		src = (struct sockaddr *)
+		memset(&sel, 0, sizeof(sel));
+		sel.local = (struct sockaddr *)
 			&((struct admin_com_indexes *)
 			    ((caddr_t)com + sizeof(*com)))->src;
-		dst = (struct sockaddr *)
+		sel.remote = (struct sockaddr *)
 			&((struct admin_com_indexes *)
 			    ((caddr_t)com + sizeof(*com)))->dst;
 
-		loc = racoon_strdup(saddrwop2str(src));
-		rem = racoon_strdup(saddrwop2str(dst));
+		loc = racoon_strdup(saddr2str(sel.local));
+		rem = racoon_strdup(saddr2str(sel.remote));
 		STRDUP_FATAL(loc);
 		STRDUP_FATAL(rem);
 
-		if ((iph1 = getph1byaddrwop(src, dst)) == NULL) {
-			plog(LLV_ERROR, LOCATION, NULL, 
-			    "phase 1 for %s -> %s not found\n", loc, rem);
-		} else {
-			if (iph1->status >= PHASE1ST_ESTABLISHED)
-				isakmp_info_send_d1(iph1);
-			purge_remote(iph1);
-		}
+		plog(LLV_INFO, LOCATION, NULL,
+		     "admin delete-sa %s %s\n", loc, rem);
+		enumph1(&sel, admin_ph1_delete_sa, NULL);
 
 		racoon_free(loc);
 		racoon_free(rem);
@@ -360,7 +363,7 @@ admin_process(so2, combuf)
 		plog(LLV_INFO, LOCATION, NULL, 
 		    "Flushing all SAs for peer %s\n", rem);
 
-		while ((iph1 = getph1bydstaddrwop(dst)) != NULL) {
+		while ((iph1 = getph1bydstaddr(dst)) != NULL) {
 			loc = racoon_strdup(saddrwop2str(iph1->local));
 			STRDUP_FATAL(loc);
 
@@ -429,7 +432,7 @@ admin_process(so2, combuf)
 			l_ac_errno = -1;
 
 			/* connected already? */
-			ph1 = getph1byaddrwop(src, dst);
+			ph1 = getph1byaddr(src, dst, 0);
 			if (ph1 != NULL) {
 				event_list = &ph1->evt_listeners;
 				if (ph1->status == PHASE1ST_ESTABLISHED)
diff --git a/src/racoon/grabmyaddr.c b/src/racoon/grabmyaddr.c
index f866dd5..cb1b638 100644
--- a/src/racoon/grabmyaddr.c
+++ b/src/racoon/grabmyaddr.c
@@ -100,7 +100,7 @@ myaddr_configured(addr)
 		return TRUE;
 
 	LIST_FOREACH(cfg, &configured, chain) {
-		if (cmpsaddrstrict(addr, (struct sockaddr *) &cfg->addr) == 0)
+		if (cmpsaddr(addr, (struct sockaddr *) &cfg->addr) == 0)
 			return TRUE;
 	}
 
@@ -116,7 +116,7 @@ myaddr_open(addr, udp_encap)
 
 	/* Already open? */
 	LIST_FOREACH(my, &opened, chain) {
-		if (cmpsaddrstrict(addr, (struct sockaddr *) &my->addr) == 0)
+		if (cmpsaddr(addr, (struct sockaddr *) &my->addr) == 0)
 			return TRUE;
 	}
 
@@ -156,7 +156,7 @@ myaddr_open_all_configured(addr)
 
 	LIST_FOREACH(cfg, &configured, chain) {
 		if (addr != NULL &&
-		    cmpsaddrwop(addr, (struct sockaddr *) &cfg->addr) != 0)
+		    cmpsaddr(addr, (struct sockaddr *) &cfg->addr) != 0)
 			continue;
 		if (!myaddr_open((struct sockaddr *) &cfg->addr, cfg->udp_encap))
 			return FALSE;
@@ -187,8 +187,8 @@ myaddr_close_all_open(addr)
 	for (my = LIST_FIRST(&opened); my; my = next) {
 		next = LIST_NEXT(my, chain);
 
-		if (!cmpsaddrwop((struct sockaddr *) &addr,
-				 (struct sockaddr *) &my->addr))
+		if (!cmpsaddr((struct sockaddr *) &addr,
+			      (struct sockaddr *) &my->addr))
 			myaddr_delete(my);
 	}
 }
@@ -261,7 +261,7 @@ myaddr_getfd(addr)
 	struct myaddr *my;
 
 	LIST_FOREACH(my, &opened, chain) {
-		if (cmpsaddrstrict((struct sockaddr *) &my->addr, addr) == 0)
+		if (cmpsaddr((struct sockaddr *) &my->addr, addr) == 0)
 			return my->fd;
 	}
 
@@ -273,19 +273,13 @@ myaddr_getsport(addr)
 	struct sockaddr *addr;
 {
 	struct myaddr *my;
-	int bestmatch_port = -1;
 
 	LIST_FOREACH(my, &opened, chain) {
-		if (cmpsaddrstrict((struct sockaddr *) &my->addr, addr) == 0)
+		if (cmpsaddr((struct sockaddr *) &my->addr, addr) == 0)
 			return extract_port((struct sockaddr *) &my->addr);
-		if (cmpsaddrwop((struct sockaddr *) &my->addr, addr) != 0)
-			continue;
-		if (bestmatch_port == -1 ||
-		    extract_port((struct sockaddr *) &my->addr) == PORT_ISAKMP)
-			bestmatch_port = extract_port((struct sockaddr *) &my->addr);
 	}
 
-	return bestmatch_port;
+	return PORT_ISAKMP;
 }
 
 void
diff --git a/src/racoon/handler.c b/src/racoon/handler.c
index 960b5b3..b33986f 100644
--- a/src/racoon/handler.c
+++ b/src/racoon/handler.c
@@ -120,11 +120,11 @@ enumph1(sel, enum_func, enum_arg)
 	LIST_FOREACH(p, &ph1tree, chain) {
 		if (sel != NULL) {
 			if (sel->local != NULL &&
-			    CMPSADDR(sel->local, p->local) != 0)
+			    cmpsaddr(sel->local, p->local) != 0)
 				continue;
 
 			if (sel->remote != NULL &&
-			    CMPSADDR(sel->remote, p->remote) != 0)
+			    cmpsaddr(sel->remote, p->remote) != 0)
 				continue;
 		}
 
@@ -201,17 +201,12 @@ getph1(rmconf, local, remote, flags)
 			     "status %d, skipping\n", p->status);
 			continue;
 		}
-		if (flags & GETPH1_F_WITHOUT_PORTS) {
-			if (local != NULL && cmpsaddrwop(local, p->local) != 0)
-				continue;
-			if (remote != NULL && cmpsaddrwop(remote, p->remote) != 0)
-				continue;
-		} else {
-			if (local != NULL && CMPSADDR(local, p->local) != 0)
-				continue;
-			if (remote != NULL && CMPSADDR(remote, p->remote) != 0)
-				continue;
-		}
+
+		if (local != NULL && cmpsaddr(local, p->local) != 0)
+			continue;
+
+		if (remote != NULL && cmpsaddr(remote, p->remote) != 0)
+			continue;
 
 		plog(LLV_DEBUG2, LOCATION, NULL, "matched\n");
 		return p;
@@ -287,8 +282,8 @@ void migrate_dying_ph12(iph1)
 		if (p->status < PHASE1ST_DYING)
 			continue;
 
-		if (CMPSADDR(iph1->local, p->local) == 0
-		 && CMPSADDR(iph1->remote, p->remote) == 0)
+		if (cmpsaddr(iph1->local, p->local) == 0
+		 && cmpsaddr(iph1->remote, p->remote) == 0)
 			migrate_ph12(p, iph1);
 	}
 }
@@ -518,11 +513,11 @@ enumph2(sel, enum_func, enum_arg)
 				continue;
 
 			if (sel->src != NULL &&
-			    CMPSADDR(sel->src, p->src) != 0)
+			    cmpsaddr(sel->src, p->src) != 0)
 				continue;
 
 			if (sel->dst != NULL &&
-			    CMPSADDR(sel->dst, p->dst) != 0)
+			    cmpsaddr(sel->dst, p->dst) != 0)
 				continue;
 		}
 
@@ -586,8 +581,8 @@ getph2byid(src, dst, spid)
 
 	LIST_FOREACH(p, &ph2tree, chain) {
 		if (spid == p->spid &&
-		    cmpsaddrwild(src, p->src) == 0 &&
-		    cmpsaddrwild(dst, p->dst) == 0){
+		    cmpsaddr(src, p->src) == 0 &&
+		    cmpsaddr(dst, p->dst) == 0){
 			/* Sanity check to detect zombie handlers
 			 * XXX Sould be done "somewhere" more interesting,
 			 * because we have lots of getph2byxxxx(), but this one
@@ -614,8 +609,8 @@ getph2bysaddr(src, dst)
 	struct ph2handle *p;
 
 	LIST_FOREACH(p, &ph2tree, chain) {
-		if (cmpsaddrstrict(src, p->src) == 0 &&
-		    cmpsaddrstrict(dst, p->dst) == 0)
+		if (cmpsaddr(src, p->src) == 0 &&
+		    cmpsaddr(dst, p->dst) == 0)
 			return p;
 	}
 
@@ -918,7 +913,7 @@ getcontacted(remote)
 	struct contacted *p;
 
 	LIST_FOREACH(p, &ctdtree, chain) {
-		if (cmpsaddrstrict(remote, p->remote) == 0)
+		if (cmpsaddr(remote, p->remote) == 0)
 			return p;
 	}
 
@@ -997,7 +992,7 @@ check_recvdpkt(remote, local, rbuf)
 	/*
 	 * the packet was processed before, but the remote address mismatches.
 	 */
-	if (cmpsaddrstrict(remote, r->remote) != 0)
+	if (cmpsaddr(remote, r->remote) != 0)
 		return 2;
 
 	/*
diff --git a/src/racoon/handler.h b/src/racoon/handler.h
index c31753d..8f19c88 100644
--- a/src/racoon/handler.h
+++ b/src/racoon/handler.h
@@ -467,7 +467,6 @@ extern int enumph1 __P((struct ph1selector *ph1sel,
 			void *enum_arg));
 
 #define GETPH1_F_ESTABLISHED		0x0001
-#define GETPH1_F_WITHOUT_PORTS		0x0002
 
 extern struct ph1handle *getph1 __P((struct remoteconf *rmconf,
 				     struct sockaddr *local,
@@ -476,10 +475,8 @@ extern struct ph1handle *getph1 __P((struct remoteconf *rmconf,
 
 #define getph1byaddr(local, remote, est) \
 	getph1(NULL, local, remote, est ? GETPH1_F_ESTABLISHED : 0)
-#define getph1byaddrwop(local, remote) \
-	getph1(NULL, local, remote, GETPH1_F_WITHOUT_PORTS)
-#define getph1bydstaddrwop(remote) \
-	getph1(NULL, NULL, remote, GETPH1_F_WITHOUT_PORTS)
+#define getph1bydstaddr(remote) \
+	getph1(NULL, NULL, remote, 0)
 
 #ifdef ENABLE_HYBRID
 struct ph1handle *getph1bylogin __P((char *));
diff --git a/src/racoon/isakmp.c b/src/racoon/isakmp.c
index fe51653..0de16d1 100644
--- a/src/racoon/isakmp.c
+++ b/src/racoon/isakmp.c
@@ -475,8 +475,8 @@ isakmp_main(msg, remote, local)
 		/* Floating ports for NAT-T */
 		if (NATT_AVAILABLE(iph1) &&
 		    ! (iph1->natt_flags & NAT_PORTS_CHANGED) &&
-		    ((cmpsaddrstrict(iph1->remote, remote) != 0) ||
-		    (cmpsaddrstrict(iph1->local, local) != 0)))
+		    ((cmpsaddr(iph1->remote, remote) != 0) ||
+		     (cmpsaddr(iph1->local, local) != 0)))
 		{
 			/* prevent memory leak */
 			racoon_free(iph1->remote);
@@ -517,7 +517,7 @@ isakmp_main(msg, remote, local)
 #endif
 
 		/* must be same addresses in one stream of a phase at least. */
-		if (cmpsaddrstrict(iph1->remote, remote) != 0) {
+		if (cmpsaddr(iph1->remote, remote) != 0) {
 			char *saddr_db, *saddr_act;
 
 			saddr_db = racoon_strdup(saddr2str(iph1->remote));
@@ -643,7 +643,7 @@ isakmp_main(msg, remote, local)
 					"exchange received.\n");
 				return -1;
 			}
-			if (cmpsaddrstrict(iph1->remote, remote) != 0) {
+			if (cmpsaddr(iph1->remote, remote) != 0) {
 				plog(LLV_WARNING, LOCATION, remote,
 					"remote address mismatched. "
 					"db=%s\n",
@@ -1275,6 +1275,12 @@ isakmp_ph2begin_i(iph1, iph2)
 	}
 #endif
 
+	/* fixup ph2 ports for this ph1 */
+	if (extract_port(iph2->src) == 0)
+		set_port(iph2->src, extract_port(iph1->local));
+	if (extract_port(iph2->dst) == 0)
+		set_port(iph2->dst, extract_port(iph1->remote));
+
 	/* found ISAKMP-SA. */
 	plog(LLV_DEBUG, LOCATION, NULL, "===\n");
 	plog(LLV_DEBUG, LOCATION, NULL, "begin QUICK mode.\n");
@@ -1353,15 +1359,6 @@ isakmp_ph2begin_r(iph1, msg)
 		delph2(iph2);
 		return -1;
 	}
-#if (!defined(ENABLE_NATT)) || (defined(BROKEN_NATT))
-	if (set_port(iph2->dst, 0) == NULL ||
-	    set_port(iph2->src, 0) == NULL) {
-		plog(LLV_ERROR, LOCATION, NULL,
-		     "invalid family: %d\n", iph2->dst->sa_family);
-		delph2(iph2);
-		return -1;
-	}
-#endif
 
 	/* add new entry to isakmp status table */
 	insph2(iph2);
@@ -2186,23 +2183,12 @@ isakmp_post_acquire(iph2)
 		return 0;
 	}
 
-	/* 
-	 * Search isakmp status table by address and port 
-	 * If NAT-T is in use, consider null ports as a 
-	 * wildcard and use IKE ports instead.
+	/*
+	 * XXX Searching by IP addresses + ports might fail on
+	 * some cases, we should use the ISAKMP identity to search
+	 * matching ISAKMP.
 	 */
-#ifdef ENABLE_NATT
-	if (!extract_port(iph2->src) && !extract_port(iph2->dst)) {
-		if ((iph1 = getph1byaddrwop(iph2->src, iph2->dst)) != NULL) {
-			set_port(iph2->src, extract_port(iph1->local));
-			set_port(iph2->dst, extract_port(iph1->remote));
-		}
-	} else {
-		iph1 = getph1byaddr(iph2->src, iph2->dst, 0);
-	}
-#else
 	iph1 = getph1byaddr(iph2->src, iph2->dst, 0);
-#endif
 
 	/* no ISAKMP-SA found. */
 	if (iph1 == NULL) {
@@ -2380,26 +2366,8 @@ isakmp_chkph1there(iph2)
 		return;
 	}
 
-	/* 
-	 * Search isakmp status table by address and port 
-	 * If NAT-T is in use, consider null ports as a 
-	 * wildcard and use IKE ports instead.
-	 */
-#ifdef ENABLE_NATT
-	if (!extract_port(iph2->src) && !extract_port(iph2->dst)) {
-		plog(LLV_DEBUG2, LOCATION, NULL, "CHKPH1THERE: extract_port.\n");
-		if( (iph1 = getph1byaddrwop(iph2->src, iph2->dst)) != NULL){
-			plog(LLV_DEBUG2, LOCATION, NULL, "CHKPH1THERE: found a ph1 wop.\n");
-		}
-	} else {
-		plog(LLV_DEBUG2, LOCATION, NULL, "CHKPH1THERE: searching byaddr.\n");
-		iph1 = getph1byaddr(iph2->src, iph2->dst, 0);
-		if(iph1 != NULL)
-			plog(LLV_DEBUG2, LOCATION, NULL, "CHKPH1THERE: found byaddr.\n");
-	}
-#else
+	/* Search isakmp status table by address and port */
 	iph1 = getph1byaddr(iph2->src, iph2->dst, 0);
-#endif
 
 	/* XXX Even if ph1 as responder is there, should we not start
 	 * phase 2 negotiation ? */
@@ -3321,20 +3289,10 @@ purge_remote(iph1)
 			msg = next;
 			continue;
 		}
+		pk_fixup_sa_addresses(mhp);
 		src = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_SRC]);
 		dst = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_DST]);
 
-#ifdef SADB_X_NAT_T_NEW_MAPPING
-		if (PFKEY_ADDR_X_NATTYPE(mhp[SADB_X_EXT_NAT_T_TYPE])) {
-			/* NAT-T is enabled for this SADB entry; copy
-			 * the ports from NAT-T extensions */
-			if(mhp[SADB_X_EXT_NAT_T_SPORT] != NULL)
-				set_port(src, PFKEY_ADDR_X_PORT(mhp[SADB_X_EXT_NAT_T_SPORT]));
-			if(mhp[SADB_X_EXT_NAT_T_DPORT] != NULL)
-				set_port(dst, PFKEY_ADDR_X_PORT(mhp[SADB_X_EXT_NAT_T_DPORT]));
-		}
-#endif
-
 		if (sa->sadb_sa_state != SADB_SASTATE_LARVAL &&
 		    sa->sadb_sa_state != SADB_SASTATE_MATURE &&
 		    sa->sadb_sa_state != SADB_SASTATE_DYING) {
@@ -3346,22 +3304,14 @@ purge_remote(iph1)
 		 * check in/outbound SAs.
 		 * Select only SAs where src == local and dst == remote (outgoing)
 		 * or src == remote and dst == local (incoming).
-		 * XXX we sometime have src/dst ports set to 0 and want to match
-		 * iph1->local/remote with ports set to 500. This is a bug, see trac:2
 		 */
-#ifdef ENABLE_NATT
-		if ((cmpsaddrmagic(iph1->local, src) || cmpsaddrmagic(iph1->remote, dst)) &&
-			(cmpsaddrmagic(iph1->local, dst) || cmpsaddrmagic(iph1->remote, src))) {
-			msg = next;
-			continue;
-		}
-#else
-		if ((CMPSADDR(iph1->local, src) || CMPSADDR(iph1->remote, dst)) &&
-			(CMPSADDR(iph1->local, dst) || CMPSADDR(iph1->remote, src))) {
+		if ((cmpsaddr(iph1->local, src) ||
+		     cmpsaddr(iph1->remote, dst)) &&
+		    (cmpsaddr(iph1->local, dst) ||
+		     cmpsaddr(iph1->remote, src))) {
 			msg = next;
 			continue;
 		}
-#endif
 
 		proto_id = pfkey2ipsecdoi_proto(msg->sadb_msg_satype);
 		iph2 = getph2bysaidx(src, dst, proto_id, sa->sadb_sa_spi);
diff --git a/src/racoon/isakmp_cfg.c b/src/racoon/isakmp_cfg.c
index 62916f8..df763f8 100644
--- a/src/racoon/isakmp_cfg.c
+++ b/src/racoon/isakmp_cfg.c
@@ -1151,15 +1151,6 @@ isakmp_cfg_send(iph1, payload, np, flags, new_exchange)
 		goto end;
 	}
 
-#if (!defined(ENABLE_NATT)) || (defined(BROKEN_NATT))
-	if (set_port(iph2->dst, 0) == NULL ||
-	    set_port(iph2->src, 0) == NULL) {
-		plog(LLV_ERROR, LOCATION, NULL,
-		     "invalid family: %d\n", iph1->remote->sa_family);
-		delph2(iph2);
-		goto end;
-	}
-#endif
 	iph2->side = INITIATOR;
 	iph2->status = PHASE2ST_START;
 
diff --git a/src/racoon/isakmp_inf.c b/src/racoon/isakmp_inf.c
index a712825..6fa3498 100644
--- a/src/racoon/isakmp_inf.c
+++ b/src/racoon/isakmp_inf.c
@@ -903,15 +903,6 @@ isakmp_info_send_common(iph1, payload, np, flags)
 		delph2(iph2);
 		goto end;
 	}
-#if (!defined(ENABLE_NATT)) || (defined(BROKEN_NATT))
-	if (set_port(iph2->dst, 0) == NULL ||
-	    set_port(iph2->src, 0) == NULL) {
-		plog(LLV_ERROR, LOCATION, NULL,
-		     "invalid family: %d\n", iph1->remote->sa_family);
-		delph2(iph2);
-		goto end;
-	}
-#endif
 	iph2->side = INITIATOR;
 	iph2->status = PHASE2ST_START;
 	iph2->msgid = isakmp_newmsgid2(iph1);
@@ -1127,9 +1118,6 @@ purge_ipsec_spi(dst0, proto, spi, n)
 	u_int64_t created;
 	size_t i;
 	caddr_t mhp[SADB_EXT_MAX + 1];
-#ifdef ENABLE_NATT
-	int natt_port_forced;
-#endif
 
 	plog(LLV_DEBUG2, LOCATION, NULL,
 		 "purge_ipsec_spi:\n");
@@ -1169,6 +1157,7 @@ purge_ipsec_spi(dst0, proto, spi, n)
 			msg = next;
 			continue;
 		}
+		pk_fixup_sa_addresses(mhp);
 		src = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_SRC]);
 		dst = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_DST]);
 		lt = (struct sadb_lifetime*)mhp[SADB_EXT_LIFETIME_HARD];
@@ -1182,28 +1171,7 @@ purge_ipsec_spi(dst0, proto, spi, n)
 			msg = next;
 			continue;
 		}
-#ifdef ENABLE_NATT
-		if (PFKEY_ADDR_X_NATTYPE(mhp[SADB_X_EXT_NAT_T_TYPE])) {
-			/* NAT-T is enabled for this SADB entry; copy
-			 * the ports from NAT-T extensions */
-			if (extract_port(src) == 0 &&
-			    mhp[SADB_X_EXT_NAT_T_SPORT] != NULL) {
-				set_port(src, PFKEY_ADDR_X_PORT(mhp[SADB_X_EXT_NAT_T_SPORT]));
-			}
 
-			if (extract_port(dst) == 0 &&
-			    mhp[SADB_X_EXT_NAT_T_DPORT] != NULL) {
-				set_port(dst, PFKEY_ADDR_X_PORT(mhp[SADB_X_EXT_NAT_T_DPORT]));
-			}
-			natt_port_forced = 0;
-		} else {
-			/* Force default UDP ports, so
-			 * CMPSADDR will match SAs with NO encapsulation */
-			set_port(src, PORT_ISAKMP);
-			set_port(dst, PORT_ISAKMP);
-			natt_port_forced = 1;
-		}
-#endif
 		plog(LLV_DEBUG2, LOCATION, NULL, "src: %s\n", saddr2str(src));
 		plog(LLV_DEBUG2, LOCATION, NULL, "dst: %s\n", saddr2str(dst));
 
@@ -1211,19 +1179,11 @@ purge_ipsec_spi(dst0, proto, spi, n)
 
 		/* don't delete inbound SAs at the moment */
 		/* XXX should we remove SAs with opposite direction as well? */
-		if (CMPSADDR(dst0, dst)) {
+		if (cmpsaddr(dst0, dst)) {
 			msg = next;
 			continue;
 		}
 
-#ifdef ENABLE_NATT
-		if (natt_port_forced) {
-			/* Set back port to 0 if it was forced
-			 * to default UDP port */
-			set_port(src, 0);
-			set_port(dst, 0);
-		}
-#endif
 		for (i = 0; i < n; i++) {
 			plog(LLV_DEBUG, LOCATION, NULL,
 				"check spi(packet)=%u spi(db)=%u.\n",
@@ -1354,37 +1314,33 @@ isakmp_info_recv_initialcontact(iph1, protectedph2)
 	msg = (struct sadb_msg *)buf->v;
 	end = (struct sadb_msg *)(buf->v + buf->l);
 
-	while (msg < end) {
+	for (; msg < end; msg = next) {
 		if ((msg->sadb_msg_len << 3) < sizeof(*msg))
 			break;
+
 		next = (struct sadb_msg *)((caddr_t)msg + (msg->sadb_msg_len << 3));
-		if (msg->sadb_msg_type != SADB_DUMP) {
-			msg = next;
+		if (msg->sadb_msg_type != SADB_DUMP)
 			continue;
-		}
 
 		if (pfkey_align(msg, mhp) || pfkey_check(mhp)) {
 			plog(LLV_ERROR, LOCATION, NULL,
 				"pfkey_check (%s)\n", ipsec_strerror());
-			msg = next;
 			continue;
 		}
 
 		if (mhp[SADB_EXT_SA] == NULL
 		 || mhp[SADB_EXT_ADDRESS_SRC] == NULL
-		 || mhp[SADB_EXT_ADDRESS_DST] == NULL) {
-			msg = next;
+		 || mhp[SADB_EXT_ADDRESS_DST] == NULL)
 			continue;
-		}
+
 		sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
+		pk_fixup_sa_addresses(mhp);
 		src = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_SRC]);
 		dst = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_DST]);
 
 		if (sa->sadb_sa_state != SADB_SASTATE_MATURE
-		 && sa->sadb_sa_state != SADB_SASTATE_DYING) {
-			msg = next;
+		 && sa->sadb_sa_state != SADB_SASTATE_DYING)
 			continue;
-		}
 
 		/*
 		 * RFC2407 4.6.3.3 INITIAL-CONTACT is the message that
@@ -1394,39 +1350,18 @@ isakmp_info_recv_initialcontact(iph1, protectedph2)
 		 * racoon only deletes SA which is matched both the
 		 * source address and the destination accress.
 		 */
-#ifdef ENABLE_NATT
-		/* 
-		 * XXX RFC 3947 says that whe MUST NOT use IP+port to find old SAs
-		 * from this peer !
-		 */
-		if(iph1->natt_flags & NAT_DETECTED){
-			if (CMPSADDR(iph1->local, src) == 0 &&
-				CMPSADDR(iph1->remote, dst) == 0)
-				;
-			else if (CMPSADDR(iph1->remote, src) == 0 &&
-					 CMPSADDR(iph1->local, dst) == 0)
-				;
-			else {
-				msg = next;
-				continue;
-			}
-		} else
-#endif
-		/* If there is no NAT-T, we don't have to check addr + port...
-		 * XXX what about a configuration with a remote peers which is not
-		 * NATed, but which NATs some other peers ?
-		 * Here, the INITIAl-CONTACT would also flush all those NATed peers !!
-		 */
-		if (cmpsaddrwop(iph1->local, src) == 0 &&
-		    cmpsaddrwop(iph1->remote, dst) == 0)
-			;
-		else if (cmpsaddrwop(iph1->remote, src) == 0 &&
-		    cmpsaddrwop(iph1->local, dst) == 0)
-			;
-		else {
-			msg = next;
+
+		/*
+		 * Check that the IP and port match. But this is not optimal,
+		 * since NAT-T can make the peer have multiple different
+		 * ports. Correct thing to do is delete all entries with
+                 * same identity. -TT
+                 */
+		if ((cmpsaddr(iph1->local, src) != 0 ||
+		     cmpsaddr(iph1->remote, dst) != 0) &&
+		    (cmpsaddr(iph1->local, dst) != 0 ||
+		     cmpsaddr(iph1->remote, src) != 0))
 			continue;
-		}
 
 		/*
 		 * Make sure this is an SATYPE that we manage.
@@ -1438,10 +1373,8 @@ isakmp_info_recv_initialcontact(iph1, protectedph2)
 			    msg->sadb_msg_satype)
 				break;
 		}
-		if (i == pfkey_nsatypes) {
-			msg = next;
+		if (i == pfkey_nsatypes)
 			continue;
-		}
 
 		plog(LLV_INFO, LOCATION, NULL,
 			"purging spi=%u.\n", ntohl(sa->sadb_sa_spi));
@@ -1461,8 +1394,6 @@ isakmp_info_recv_initialcontact(iph1, protectedph2)
 			remph2(iph2);
 			delph2(iph2);
 		}
-
-		msg = next;
 	}
 
 	vfree(buf);
diff --git a/src/racoon/isakmp_quick.c b/src/racoon/isakmp_quick.c
index 804c1bf..46c84c1 100644
--- a/src/racoon/isakmp_quick.c
+++ b/src/racoon/isakmp_quick.c
@@ -610,17 +610,19 @@ quick_i2recv(iph2, msg0)
 			error = ISAKMP_NTYPE_ATTRIBUTES_NOT_SUPPORTED;
 			goto end;
 		}
+#ifdef ENABLE_NATT
+		set_port(iph2->natoa_src,
+			 extract_port((struct sockaddr *) &proposed_addr));
+#endif
 
-		if (cmpsaddrstrict((struct sockaddr *) &proposed_addr,
-				   (struct sockaddr *) &got_addr) == 0) {
+		if (cmpsaddr((struct sockaddr *) &proposed_addr,
+			     (struct sockaddr *) &got_addr) == 0) {
 			plog(LLV_DEBUG, LOCATION, NULL,
 				"IDci matches proposal.\n");
 #ifdef ENABLE_NATT
 		} else if (iph2->natoa_src != NULL
-			&& cmpsaddrwop(iph2->natoa_src,
-				       (struct sockaddr *) &got_addr) == 0
-			&& extract_port((struct sockaddr *) &proposed_addr) ==
-			   extract_port((struct sockaddr *) &got_addr)) {
+			&& cmpsaddr(iph2->natoa_src,
+				    (struct sockaddr *) &got_addr) == 0) {
 			plog(LLV_DEBUG, LOCATION, NULL,
 				"IDci matches NAT-OAi.\n");
 #endif
@@ -656,16 +658,19 @@ quick_i2recv(iph2, msg0)
 			goto end;
 		}
 
-		if (cmpsaddrstrict((struct sockaddr *) &proposed_addr,
-				   (struct sockaddr *) &got_addr) == 0) {
+#ifdef ENABLE_NATT
+		set_port(iph2->natoa_dst,
+			 extract_port((struct sockaddr *) &proposed_addr));
+#endif
+
+		if (cmpsaddr((struct sockaddr *) &proposed_addr,
+			     (struct sockaddr *) &got_addr) == 0) {
 			plog(LLV_DEBUG, LOCATION, NULL,
 				"IDcr matches proposal.\n");
 #ifdef ENABLE_NATT
 		} else if (iph2->natoa_dst != NULL
-			&& cmpsaddrwop(iph2->natoa_dst,
-				       (struct sockaddr *) &got_addr) == 0
-			&& extract_port((struct sockaddr *) &proposed_addr) ==
-			   extract_port((struct sockaddr *) &got_addr)) {
+			&& cmpsaddr(iph2->natoa_dst,
+				    (struct sockaddr *) &got_addr) == 0) {
 			plog(LLV_DEBUG, LOCATION, NULL,
 				"IDcr matches NAT-OAr.\n");
 #endif
diff --git a/src/racoon/nattraversal.c b/src/racoon/nattraversal.c
index f23341a..92095de 100644
--- a/src/racoon/nattraversal.c
+++ b/src/racoon/nattraversal.c
@@ -379,8 +379,8 @@ natt_keepalive_add (struct sockaddr *src, struct sockaddr *dst)
   struct natt_ka_addrs *ka = NULL, *new_addr;
   
   TAILQ_FOREACH (ka, &ka_tree, chain) {
-    if (cmpsaddrstrict(ka->src, src) == 0 && 
-	cmpsaddrstrict(ka->dst, dst) == 0) {
+    if (cmpsaddr(ka->src, src) == 0 &&
+	cmpsaddr(ka->dst, dst) == 0) {
       ka->in_use++;
       plog (LLV_INFO, LOCATION, NULL, "KA found: %s (in_use=%u)\n",
 	    saddr2str_fromto("%s->%s", src, dst), ka->in_use);
@@ -443,8 +443,8 @@ natt_keepalive_remove (struct sockaddr *src, struct sockaddr *dst)
     plog (LLV_DEBUG, LOCATION, NULL, "KA tree dump: %s (in_use=%u)\n",
 	  saddr2str_fromto("%s->%s", src, dst), ka->in_use);
 
-    if (cmpsaddrstrict(ka->src, src) == 0 && 
-	cmpsaddrstrict(ka->dst, dst) == 0 &&
+    if (cmpsaddr(ka->src, src) == 0 &&
+	cmpsaddr(ka->dst, dst) == 0 &&
 	-- ka->in_use <= 0) {
 
       plog (LLV_DEBUG, LOCATION, NULL, "KA removing this one...\n");
diff --git a/src/racoon/pfkey.c b/src/racoon/pfkey.c
index c210c5e..3778ef2 100644
--- a/src/racoon/pfkey.c
+++ b/src/racoon/pfkey.c
@@ -774,8 +774,12 @@ pk_fixup_sa_addresses(mhp)
 	caddr_t *mhp;
 {
 	struct sockaddr *src, *dst;
+
 	src = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_SRC]);
 	dst = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_DST]);
+	set_port(src, PORT_ISAKMP);
+	set_port(dst, PORT_ISAKMP);
+
 #ifdef ENABLE_NATT
 	if (PFKEY_ADDR_X_NATTYPE(mhp[SADB_X_EXT_NAT_T_TYPE])) {
 		/* NAT-T is enabled for this SADB entry; copy
@@ -785,9 +789,6 @@ pk_fixup_sa_addresses(mhp)
 		if(mhp[SADB_X_EXT_NAT_T_DPORT] != NULL)
 			set_port(dst, PFKEY_ADDR_X_PORT(mhp[SADB_X_EXT_NAT_T_DPORT]));
 	}
-#else
-	set_port(src, 0);
-	set_port(dst, 0);
 #endif
 }
 
@@ -949,10 +950,6 @@ pk_sendgetspi(iph2)
 			dport=extract_port(dst);
 		}
 #endif
-		/* Always remove port information, it will be sent in
-		 * SADB_X_EXT_NAT_T_[S|D]PORT if needed */
-		set_port(src, 0);
-		set_port(dst, 0);
 
 		plog(LLV_DEBUG, LOCATION, NULL, "call pfkey_send_getspi\n");
 		if (pfkey_send_getspi_nat(
@@ -1009,6 +1006,7 @@ pk_recvgetspi(mhp)
 	}
 	msg = (struct sadb_msg *)mhp[0];
 	sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
+	pk_fixup_sa_addresses(mhp);
 	dst = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_SRC]); /* note SA dir */
 	src = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_DST]);
 
@@ -1183,18 +1181,14 @@ pk_sendupdate(iph2)
 #ifdef ENABLE_NATT
 		if (pr->udp_encap) {
 			sa_args.l_natt_type = iph2->ph1->natt_options->encaps_type;
-			sa_args.l_natt_sport = extract_port (iph2->ph1->remote);
-			sa_args.l_natt_dport = extract_port (iph2->ph1->local);
+			sa_args.l_natt_sport = extract_port(iph2->ph1->remote);
+			sa_args.l_natt_dport = extract_port(iph2->ph1->local);
 			sa_args.l_natt_oa = iph2->natoa_src;
 #ifdef SADB_X_EXT_NAT_T_FRAG
 			sa_args.l_natt_frag = iph2->ph1->rmconf->esp_frag;
 #endif
 		}
 #endif
-		/* Always remove port information, it will be sent in
-		 * SADB_X_EXT_NAT_T_[S|D]PORT if needed */
-		set_port(sa_args.src, 0);
-		set_port(sa_args.dst, 0);
 
 		/* more info to fill in */
 		sa_args.spi = pr->spi;
@@ -1358,14 +1352,6 @@ pk_recvupdate(mhp)
 	/* turn off schedule */
 	sched_cancel(&iph2->scr);
 
-	/* Force the update of ph2's ports, as there is at least one
-	 * situation where they'll mismatch with ph1's values
-	 */
-#ifdef ENABLE_NATT
-	set_port(iph2->src, extract_port(iph2->ph1->local));
-	set_port(iph2->dst, extract_port(iph2->ph1->remote));
-#endif
-
 	/*
 	 * since we are going to reuse the phase2 handler, we need to
 	 * remain it and refresh all the references between ph1 and ph2 to use.
@@ -1418,7 +1404,7 @@ pk_sendadd(iph2)
 		racoon_free(sa_args.src);
 		racoon_free(sa_args.dst);
 		return -1;
- 	}
+	}
 
 	for (pr = iph2->approval->head; pr != NULL; pr = pr->next) {
 		/* validity check */
@@ -1490,11 +1476,6 @@ pk_sendadd(iph2)
 #endif
 		}
 #endif
-		/* Always remove port information, it will be sent in
-		 * SADB_X_EXT_NAT_T_[S|D]PORT if needed */
-		set_port(sa_args.src, 0);
-		set_port(sa_args.dst, 0);
-
 		/* more info to fill in */
 		sa_args.spi = pr->spi_p;
 		sa_args.reqid = pr->reqid_out;
@@ -1559,6 +1540,7 @@ pk_recvadd(mhp)
 		return -1;
 	}
 	msg = (struct sadb_msg *)mhp[0];
+	pk_fixup_sa_addresses(mhp);
 	src = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_SRC]);
 	dst = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_DST]);
 	sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
@@ -1749,7 +1731,9 @@ pk_recvacquire(mhp)
 	}
 	msg = (struct sadb_msg *)mhp[0];
 	xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
-	pk_fixup_sa_addresses(mhp);
+	/* acquire does not have nat-t ports; so do not bother setting
+	 * the default port 500; just use the port zero for wildcard
+	 * matching the get a valid natted destination */
 	sp_src = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_SRC]);
 	sp_dst = PFKEY_ADDR_SADDR(mhp[SADB_EXT_ADDRESS_DST]);
 
@@ -2884,8 +2868,8 @@ migrate_ph1_ike_addresses(iph1, arg)
 	u_int16_t port;
 
 	/* Already up-to-date? */
-	if (cmpsaddrwop(iph1->local, ma->local) == 0 &&
-	    cmpsaddrwop(iph1->remote, ma->remote) == 0)
+	if (cmpsaddr(iph1->local, ma->local) == 0 &&
+	    cmpsaddr(iph1->remote, ma->remote) == 0)
 		return 0;
 
 	if (iph1->status < PHASE1ST_ESTABLISHED) {
@@ -2985,8 +2969,8 @@ migrate_ph2_ike_addresses(iph2, arg)
 		migrate_ph1_ike_addresses(iph2->ph1, arg);
 
 	/* Already up-to-date? */
-	if (CMPSADDR(iph2->src, ma->local) == 0 &&
-	    CMPSADDR(iph2->dst, ma->remote) == 0)
+	if (cmpsaddr(iph2->src, ma->local) == 0 &&
+	    cmpsaddr(iph2->dst, ma->remote) == 0)
 		return 0;
 
 	/* save src/dst as sa_src/sa_dst before rewriting */
@@ -3206,8 +3190,8 @@ migrate_ph2_one_isr(spid, isr_cur, xisr_old, xisr_new)
 		     "changing address families (%d to %d) for endpoints.\n",
 		     osaddr->sa_family, nsaddr->sa_family);
 
-	if (CMPSADDR(osaddr, (struct sockaddr *)&saidx->src) ||
-	    CMPSADDR(odaddr, (struct sockaddr *)&saidx->dst)) {
+	if (cmpsaddr(osaddr, (struct sockaddr *) &saidx->src) ||
+	    cmpsaddr(odaddr, (struct sockaddr *) &saidx->dst)) {
 		plog(LLV_DEBUG, LOCATION, NULL, "SADB_X_MIGRATE: "
 		     "mismatch of addresses in saidx and xisr.\n");
 		return -1;
diff --git a/src/racoon/policy.c b/src/racoon/policy.c
index 850fa6b..058753f 100644
--- a/src/racoon/policy.c
+++ b/src/racoon/policy.c
@@ -141,16 +141,18 @@ getsp_r(spidx, iph2)
 		saddr2str(iph2->src));
 	plog(LLV_DEBUG, LOCATION, NULL, "src2: %s\n",
 		saddr2str((struct sockaddr *)&spidx->src));
-	if (cmpsaddrwop(iph2->src, (struct sockaddr *)&spidx->src)
-	 || spidx->prefs != prefixlen)
+
+	if (cmpsaddr(iph2->src, (struct sockaddr *) &spidx->src) ||
+	    spidx->prefs != prefixlen)
 		return NULL;
 
 	plog(LLV_DEBUG, LOCATION, NULL, "dst1: %s\n",
 		saddr2str(iph2->dst));
 	plog(LLV_DEBUG, LOCATION, NULL, "dst2: %s\n",
 		saddr2str((struct sockaddr *)&spidx->dst));
-	if (cmpsaddrwop(iph2->dst, (struct sockaddr *)&spidx->dst)
-	 || spidx->prefd != prefixlen)
+
+	if (cmpsaddr(iph2->dst, (struct sockaddr *) &spidx->dst) ||
+	    spidx->prefd != prefixlen)
 		return NULL;
 
 	plog(LLV_DEBUG, LOCATION, NULL, "looks to be transport mode\n");
@@ -198,11 +200,11 @@ cmpspidxstrict(a, b)
 	 || a->ul_proto != b->ul_proto)
 		return 1;
 
-	if (cmpsaddrstrict((struct sockaddr *)&a->src,
-			   (struct sockaddr *)&b->src))
+	if (cmpsaddr((struct sockaddr *) &a->src,
+		     (struct sockaddr *) &b->src))
 		return 1;
-	if (cmpsaddrstrict((struct sockaddr *)&a->dst,
-			   (struct sockaddr *)&b->dst))
+	if (cmpsaddr((struct sockaddr *) &a->dst,
+		     (struct sockaddr *) &b->dst))
 		return 1;
 
 #ifdef HAVE_SECCTX
@@ -259,7 +261,7 @@ cmpspidxwild(a, b)
 		a, b->prefs, saddr2str((struct sockaddr *)&sa1));
 	plog(LLV_DEBUG, LOCATION, NULL, "%p masked with /%d: %s\n",
 		b, b->prefs, saddr2str((struct sockaddr *)&sa2));
-	if (cmpsaddrwild((struct sockaddr *)&sa1, (struct sockaddr *)&sa2))
+	if (cmpsaddr((struct sockaddr *)&sa1, (struct sockaddr *)&sa2))
 		return 1;
 
 #ifndef __linux__
@@ -277,7 +279,7 @@ cmpspidxwild(a, b)
 		a, b->prefd, saddr2str((struct sockaddr *)&sa1));
 	plog(LLV_DEBUG, LOCATION, NULL, "%p masked with /%d: %s\n",
 		b, b->prefd, saddr2str((struct sockaddr *)&sa2));
-	if (cmpsaddrwild((struct sockaddr *)&sa1, (struct sockaddr *)&sa2))
+	if (cmpsaddr((struct sockaddr *)&sa1, (struct sockaddr *)&sa2))
 		return 1;
 
 #ifdef HAVE_SECCTX
diff --git a/src/racoon/remoteconf.c b/src/racoon/remoteconf.c
index 73d80bc..88c622c 100644
--- a/src/racoon/remoteconf.c
+++ b/src/racoon/remoteconf.c
@@ -200,15 +200,9 @@ rmconf_match_type(rmsel, rmconf)
 	/* Check address */
 	if (rmsel->remote != NULL) {
 		if (rmconf->remote->sa_family != AF_UNSPEC) {
-			if (rmsel->flags & GETRMCONF_F_NO_PORTS) {
-				if (cmpsaddrwop(rmsel->remote,
-						rmconf->remote) != 0)
-					return 0;
-			} else {
-				if (cmpsaddrstrict(rmsel->remote,
-						   rmconf->remote) != 0)
-					return 0;
-			}
+			if (cmpsaddr(rmsel->remote, rmconf->remote) != 0)
+				return 0;
+
 			/* Address matched */
 			ret = 2;
 		}
@@ -262,7 +256,7 @@ void rmconf_selector_from_ph1(rmsel, iph1)
 	struct ph1handle *iph1;
 {
 	memset(rmsel, 0, sizeof(*rmsel));
-	rmsel->flags = GETRMCONF_F_NO_PORTS;
+	rmsel->flags = 0;
 	rmsel->remote = iph1->remote;
 	rmsel->etype = iph1->etype;
 	rmsel->approval = iph1->approval;
@@ -357,22 +351,8 @@ getrmconf(remote, flags)
 	int n = 0;
 
 	memset(&ctx, 0, sizeof(ctx));
-	ctx.sel.flags = flags | GETRMCONF_F_NO_PORTS;
+	ctx.sel.flags = flags;
 	ctx.sel.remote = remote;
-#ifndef ENABLE_NATT
-	/* 
-	 * We never have ports set in our remote configurations, but when
-	 * NAT-T is enabled, the kernel can have policies with ports and
-	 * send us an acquire message for a destination that has a port set.
-	 * If we do this port check here, we don't find the remote config.
-	 *
-	 * In an ideal world, we would be able to have remote conf with
-	 * port, and the port could be a wildcard. That test could be used.
-	 */
-	if (remote->sa_family != AF_UNSPEC &&
-	    extract_port(remote) != IPSEC_PORT_ANY)
-		ctx.sel.flags &= ~GETRMCONF_F_NO_PORTS;
-#endif /* ENABLE_NATT */
 
 	if (enumrmconf(&ctx.sel, rmconf_find, &ctx) != 0) {
 		plog(LLV_ERROR, LOCATION, remote,
diff --git a/src/racoon/remoteconf.h b/src/racoon/remoteconf.h
index 38faf03..b2e9e4a 100644
--- a/src/racoon/remoteconf.h
+++ b/src/racoon/remoteconf.h
@@ -189,8 +189,7 @@ extern int enumrmconf __P((struct rmconfselector *rmsel,
 			   void *enum_arg));
 
 #define GETRMCONF_F_NO_ANONYMOUS	0x0001
-#define GETRMCONF_F_NO_PORTS		0x0002
-#define GETRMCONF_F_NO_PASSIVE		0x0004
+#define GETRMCONF_F_NO_PASSIVE		0x0002
 
 #define RMCONF_ERR_MULTIPLE		((struct remoteconf *) -1)
 
diff --git a/src/racoon/sockmisc.c b/src/racoon/sockmisc.c
index 5c1f9c7..2bc2177 100644
--- a/src/racoon/sockmisc.c
+++ b/src/racoon/sockmisc.c
@@ -80,87 +77,28 @@
 const int niflags = 0;
 
 /*
- * compare two sockaddr without port number.
- * OUT:	0: equal.
- *	1: not equal.
- */
-int
-cmpsaddrwop(addr1, addr2)
-	const struct sockaddr *addr1;
-	const struct sockaddr *addr2;
-{
-	caddr_t sa1, sa2;
-
-	if (addr1 == 0 && addr2 == 0)
-		return 0;
-	if (addr1 == 0 || addr2 == 0)
-		return 1;
-
-#ifdef __linux__
-	if (addr1->sa_family != addr2->sa_family)
-		return 1;
-#else
-	if (addr1->sa_len != addr2->sa_len
-	 || addr1->sa_family != addr2->sa_family)
-		return 1;
-
-#endif /* __linux__ */
-
-	switch (addr1->sa_family) {
-	case AF_UNSPEC:
-		break;
-	case AF_INET:
-		sa1 = (caddr_t)&((struct sockaddr_in *)addr1)->sin_addr;
-		sa2 = (caddr_t)&((struct sockaddr_in *)addr2)->sin_addr;
-		if (memcmp(sa1, sa2, sizeof(struct in_addr)) != 0)
-			return 1;
-		break;
-#ifdef INET6
-	case AF_INET6:
-		sa1 = (caddr_t)&((struct sockaddr_in6 *)addr1)->sin6_addr;
-		sa2 = (caddr_t)&((struct sockaddr_in6 *)addr2)->sin6_addr;
-		if (memcmp(sa1, sa2, sizeof(struct in6_addr)) != 0)
-			return 1;
-		if (((struct sockaddr_in6 *)addr1)->sin6_scope_id !=
-		    ((struct sockaddr_in6 *)addr2)->sin6_scope_id)
-			return 1;
-		break;
-#endif
-	default:
-		return 1;
-	}
-
-	return 0;
-}
-
-/*
  * compare two sockaddr with port, taking care wildcard.
  * addr1 is a subject address, addr2 is in a database entry.
  * OUT:	0: equal.
  *	1: not equal.
  */
 int
-cmpsaddrwild(addr1, addr2)
+cmpsaddr(addr1, addr2)
 	const struct sockaddr *addr1;
 	const struct sockaddr *addr2;
 {
 	caddr_t sa1, sa2;
 	u_short port1, port2;
 
-	if (addr1 == 0 && addr2 == 0)
-		return 0;
-	if (addr1 == 0 || addr2 == 0)
-		return 1;
+	if (addr1 == NULL && addr2 == NULL)
+		return CMPSADDR_MATCH;
 
-#ifdef __linux__
-	if (addr1->sa_family != addr2->sa_family)
-		return 1;
-#else
-	if (addr1->sa_len != addr2->sa_len
-	 || addr1->sa_family != addr2->sa_family)
-		return 1;
+	if (addr1 == NULL || addr2 == NULL)
+		return CMPSADDR_MISMATCH;
 
-#endif /* __linux__ */
+	if (addr1->sa_family != addr2->sa_family ||
+	    sysdep_sa_len(addr1) != sysdep_sa_len(addr2))
+		return CMPSADDR_MISMATCH;
 
 	switch (addr1->sa_family) {
 	case AF_UNSPEC:
@@ -170,12 +108,8 @@ cmpsaddrwild(addr1, addr2)
 		sa2 = (caddr_t)&((struct sockaddr_in *)addr2)->sin_addr;
 		port1 = ((struct sockaddr_in *)addr1)->sin_port;
 		port2 = ((struct sockaddr_in *)addr2)->sin_port;
-		if (!(port1 == IPSEC_PORT_ANY ||
-		      port2 == IPSEC_PORT_ANY ||
-		      port1 == port2))
-			return 1;
 		if (memcmp(sa1, sa2, sizeof(struct in_addr)) != 0)
-			return 1;
+			return CMPSADDR_MISMATCH;
 		break;
 #ifdef INET6
 	case AF_INET6:
@@ -183,155 +117,23 @@ cmpsaddrwild(addr1, addr2)
 		sa2 = (caddr_t)&((struct sockaddr_in6 *)addr2)->sin6_addr;
 		port1 = ((struct sockaddr_in6 *)addr1)->sin6_port;
 		port2 = ((struct sockaddr_in6 *)addr2)->sin6_port;
-		if (!(port1 == IPSEC_PORT_ANY ||
-		      port2 == IPSEC_PORT_ANY ||
-		      port1 == port2))
-			return 1;
 		if (memcmp(sa1, sa2, sizeof(struct in6_addr)) != 0)
-			return 1;
+			return CMPSADDR_MISMATCH;
 		if (((struct sockaddr_in6 *)addr1)->sin6_scope_id !=
 		    ((struct sockaddr_in6 *)addr2)->sin6_scope_id)
-			return 1;
+			return CMPSADDR_MISMATCH;
 		break;
 #endif
 	default:
-		return 1;
+		return CMPSADDR_MISMATCH;
 	}
 
-	return 0;
-}
-
-/*
- * compare two sockaddr with port, taking care specific situation:
- * one addr has 0 as port, and the other has 500 (network order), return equal
- * OUT:	0: equal.
- *	1: not equal.
- */
-int
-cmpsaddrmagic(addr1, addr2)
-	const struct sockaddr *addr1;
-	const struct sockaddr *addr2;
-{
-	caddr_t sa1, sa2;
-	u_short port1, port2;
-
-	if (addr1 == 0 && addr2 == 0)
-		return 0;
-	if (addr1 == 0 || addr2 == 0)
-		return 1;
-
-#ifdef __linux__
-	if (addr1->sa_family != addr2->sa_family)
-		return 1;
-#else
-	if (addr1->sa_len != addr2->sa_len
-	 || addr1->sa_family != addr2->sa_family)
-		return 1;
+	if (port1 == port2 ||
+	    port1 == IPSEC_PORT_ANY ||
+	    port2 == IPSEC_PORT_ANY)
+		return CMPSADDR_MATCH;
 
-#endif /* __linux__ */
-
-	switch (addr1->sa_family) {
-	case AF_UNSPEC:
-		break;
-	case AF_INET:
-		sa1 = (caddr_t)&((struct sockaddr_in *)addr1)->sin_addr;
-		sa2 = (caddr_t)&((struct sockaddr_in *)addr2)->sin_addr;
-		port1 = ((struct sockaddr_in *)addr1)->sin_port;
-		port2 = ((struct sockaddr_in *)addr2)->sin_port;
-		plog(LLV_DEBUG, LOCATION, NULL, "cmpsaddr_magic: port1 == %d, port2 == %d\n", port1, port2);
-		if (!((port1 == IPSEC_PORT_ANY && port2 == ntohs(PORT_ISAKMP)) ||
-			  (port2 == IPSEC_PORT_ANY && port1 == ntohs(PORT_ISAKMP)) ||
-		      (port1 == port2))){			
-			plog(LLV_DEBUG, LOCATION, NULL, "cmpsaddr_magic: ports mismatch\n");
-			return 1;
-		}
-		plog(LLV_DEBUG, LOCATION, NULL, "cmpsaddr_magic: ports matched\n");
-		if (memcmp(sa1, sa2, sizeof(struct in_addr)) != 0)
-			return 1;
-		break;
-#ifdef INET6
-	case AF_INET6:
-		sa1 = (caddr_t)&((struct sockaddr_in6 *)addr1)->sin6_addr;
-		sa2 = (caddr_t)&((struct sockaddr_in6 *)addr2)->sin6_addr;
-		port1 = ((struct sockaddr_in6 *)addr1)->sin6_port;
-		port2 = ((struct sockaddr_in6 *)addr2)->sin6_port;
-		if (!((port1 == IPSEC_PORT_ANY && port2 == PORT_ISAKMP) ||
-			  (port2 == IPSEC_PORT_ANY && port1 == PORT_ISAKMP) ||
-		      (port1 == port2)))
-			return 1;
-		if (memcmp(sa1, sa2, sizeof(struct in6_addr)) != 0)
-			return 1;
-		if (((struct sockaddr_in6 *)addr1)->sin6_scope_id !=
-		    ((struct sockaddr_in6 *)addr2)->sin6_scope_id)
-			return 1;
-		break;
-#endif
-	default:
-		return 1;
-	}
-
-	return 0;
-}
-
-/*
- * compare two sockaddr with strict match on port.
- * OUT:	0: equal.
- *	1: not equal.
- */
-int
-cmpsaddrstrict(addr1, addr2)
-	const struct sockaddr *addr1;
-	const struct sockaddr *addr2;
-{
-	caddr_t sa1, sa2;
-	u_short port1, port2;
-
-	if (addr1 == 0 && addr2 == 0)
-		return 0;
-	if (addr1 == 0 || addr2 == 0)
-		return 1;
-
-#ifdef __linux__
-	if (addr1->sa_family != addr2->sa_family)
-		return 1;
-#else
-	if (addr1->sa_len != addr2->sa_len
-	 || addr1->sa_family != addr2->sa_family)
-		return 1;
-
-#endif /* __linux__ */
-
-	switch (addr1->sa_family) {
-	case AF_INET:
-		sa1 = (caddr_t)&((struct sockaddr_in *)addr1)->sin_addr;
-		sa2 = (caddr_t)&((struct sockaddr_in *)addr2)->sin_addr;
-		port1 = ((struct sockaddr_in *)addr1)->sin_port;
-		port2 = ((struct sockaddr_in *)addr2)->sin_port;
-		if (port1 != port2)
-			return 1;
-		if (memcmp(sa1, sa2, sizeof(struct in_addr)) != 0)
-			return 1;
-		break;
-#ifdef INET6
-	case AF_INET6:
-		sa1 = (caddr_t)&((struct sockaddr_in6 *)addr1)->sin6_addr;
-		sa2 = (caddr_t)&((struct sockaddr_in6 *)addr2)->sin6_addr;
-		port1 = ((struct sockaddr_in6 *)addr1)->sin6_port;
-		port2 = ((struct sockaddr_in6 *)addr2)->sin6_port;
-		if (port1 != port2)
-			return 1;
-		if (memcmp(sa1, sa2, sizeof(struct in6_addr)) != 0)
-			return 1;
-		if (((struct sockaddr_in6 *)addr1)->sin6_scope_id !=
-		    ((struct sockaddr_in6 *)addr2)->sin6_scope_id)
-			return 1;
-		break;
-#endif
-	default:
-		return 1;
-	}
-
-	return 0;
+	return CMPSADDR_WOP_MATCH;
 }
 
 /* get local address against the destination. */
@@ -1129,7 +931,7 @@ naddr_score(const struct netaddr *naddr, const struct sockaddr *saddr)
 		free(a2);
 		free(a3);
 	}
-	if (cmpsaddrwop(&sa, &naddr->sa.sa) == 0)
+	if (cmpsaddr(&sa, &naddr->sa.sa) == 0)
 		return naddr->prefix + port_score;
 
 	return -1;
diff --git a/src/racoon/sockmisc.h b/src/racoon/sockmisc.h
index fcc286f..0a58f44 100644
--- a/src/racoon/sockmisc.h
+++ b/src/racoon/sockmisc.h
@@ -54,16 +54,11 @@ struct netaddr {
 
 extern const int niflags;
 
-extern int cmpsaddrwop __P((const struct sockaddr *, const struct sockaddr *));
-extern int cmpsaddrwild __P((const struct sockaddr *, const struct sockaddr *));
-extern int cmpsaddrstrict __P((const struct sockaddr *, const struct sockaddr *));
-extern int cmpsaddrmagic __P((const struct sockaddr *, const struct sockaddr *));
-
-#ifdef ENABLE_NATT 
-#define CMPSADDR(saddr1, saddr2) cmpsaddrstrict((saddr1), (saddr2))
-#else 
-#define CMPSADDR(saddr1, saddr2) cmpsaddrwop((saddr1), (saddr2))
-#endif
+#define CMPSADDR_MATCH		0
+#define CMPSADDR_WOP_MATCH	1
+#define CMPSADDR_MISMATCH	2
+
+extern int cmpsaddr __P((const struct sockaddr *, const struct sockaddr *));
 
 extern struct sockaddr *getlocaladdr __P((struct sockaddr *));
 
diff --git a/src/racoon/throttle.c b/src/racoon/throttle.c
index 5ab62c3..64b566b 100644
--- a/src/racoon/throttle.c
+++ b/src/racoon/throttle.c
@@ -104,7 +104,7 @@ restart:
 			goto restart;
 		}
 
-		if (cmpsaddrwop(addr, (struct sockaddr *)&te->host) == 0) {
+		if (cmpsaddr(addr, (struct sockaddr *) &te->host) == 0) {
 			found = 1;
 			break;
 		}