netinet/libalias/alias.c

191 TcpMonitorIn(u_char th_flags, struct alias_link *lnk)
194 	switch (GetStateIn(lnk)) {
197 			SetStateIn(lnk, ALIAS_TCP_STATE_DISCONNECTED);
199 			SetStateIn(lnk, ALIAS_TCP_STATE_CONNECTED);
203 			SetStateIn(lnk, ALIAS_TCP_STATE_DISCONNECTED);
209 TcpMonitorOut(u_char th_flags, struct alias_link *lnk)
212 	switch (GetStateOut(lnk)) {
215 			SetStateOut(lnk, ALIAS_TCP_STATE_DISCONNECTED);
217 			SetStateOut(lnk, ALIAS_TCP_STATE_CONNECTED);
221 			SetStateOut(lnk, ALIAS_TCP_STATE_DISCONNECTED);
301 	struct alias_link *lnk;
307 	lnk = FindIcmpIn(la, pip->ip_src, pip->ip_dst, ic->icmp_id, 1);
308 	if (lnk != NULL) {
312 		original_id = GetOriginalPort(lnk);
326 			original_address = GetOriginalAddress(lnk);
350 	struct alias_link *lnk;
360 		lnk = FindUdpTcpIn(la, ip->ip_dst, ip->ip_src,
364 		lnk = FindUdpTcpIn(la, ip->ip_dst, ip->ip_src,
369 			lnk = FindIcmpIn(la, ip->ip_dst, ip->ip_src, ic2->icmp_id, 0);
371 			lnk = NULL;
373 		lnk = NULL;
375 	if (lnk != NULL) {
381 			original_address = GetOriginalAddress(lnk);
382 			original_port = GetOriginalPort(lnk);
409 			original_address = GetOriginalAddress(lnk);
410 			original_id = GetOriginalPort(lnk);
482 	struct alias_link *lnk;
489 	lnk = FindIcmpOut(la, pip->ip_src, pip->ip_dst, ic->icmp_id, create);
490 	if (lnk != NULL) {
494 		alias_id = GetAliasPort(lnk);
508 			alias_address = GetAliasAddress(lnk);
531 	struct alias_link *lnk;
542 		lnk = FindUdpTcpOut(la, ip->ip_dst, ip->ip_src,
546 		lnk = FindUdpTcpOut(la, ip->ip_dst, ip->ip_src,
551 			lnk = FindIcmpOut(la, ip->ip_dst, ip->ip_src, ic2->icmp_id, 0);
553 			lnk = NULL;
555 		lnk = NULL;
557 	if (lnk != NULL) {
563 			alias_address = GetAliasAddress(lnk);
564 			alias_port = GetAliasPort(lnk);
591 			alias_address = GetAliasAddress(lnk);
592 			alias_id = GetAliasPort(lnk);
667 	struct alias_link *lnk;
674 	lnk = FindProtoIn(la, ip_src, *ip_dst, ip_p);
675 	if (lnk != NULL) {
678 		original_address = GetOriginalAddress(lnk);
699 	struct alias_link *lnk;
710 	lnk = FindProtoOut(la, *ip_src, ip_dst, ip_p);
711 	if (lnk != NULL) {
714 		alias_address = GetAliasAddress(lnk);
731 	struct alias_link *lnk;
737 	lnk = FindUdpTcpIn(la, pip->ip_src, pip->ip_dst,
740 	if (lnk != NULL) {
749 			.lnk = lnk,
758 		alias_address = GetAliasAddress(lnk);
759 		original_address = GetOriginalAddress(lnk);
760 		proxy_address = GetProxyAddress(lnk);
762 		ud->uh_dport = GetOriginalPort(lnk);
763 		proxy_port = GetProxyPort(lnk);
818 	struct alias_link *lnk;
859 	lnk = FindUdpTcpOut(la, pip->ip_src, pip->ip_dst,
862 	if (lnk != NULL) {
866 			.lnk = lnk,
879 	                SetProxyPort(lnk, dest_port);
880 	                SetProxyAddress(lnk, dest_address);
881 	                ProxyModify(la, lnk, pip, maxpacketsize, proxy_type);
885 		alias_address = GetAliasAddress(lnk);
886 		alias_port = GetAliasPort(lnk);
921 	struct alias_link *lnk;
926 	lnk = FindUdpTcpIn(la, pip->ip_src, pip->ip_dst,
930 	if (lnk != NULL) {
945 			.lnk = lnk,
957 		alias_address = GetAliasAddress(lnk);
958 		original_address = GetOriginalAddress(lnk);
959 		proxy_address = GetProxyAddress(lnk);
961 		tc->th_dport = GetOriginalPort(lnk);
962 		proxy_port = GetProxyPort(lnk);
971 					.lnk = lnk,
1003 		if (GetAckModified(lnk) == 1) {
1007 			delta = GetDeltaAckIn(tc->th_ack, lnk);
1032 		TcpMonitorIn(tc->th_flags, lnk);
1048 	struct alias_link *lnk;
1082 	lnk = FindUdpTcpOut(la, pip->ip_src, pip->ip_dst,
1085 	if (lnk == NULL)
1087 	if (lnk != NULL) {
1092 			.lnk = lnk,
1105 			SetProxyPort(lnk, dest_port);
1106 			SetProxyAddress(lnk, dest_address);
1107 			ProxyModify(la, lnk, pip, maxpacketsize, proxy_type);
1111 		alias_port = GetAliasPort(lnk);
1112 		alias_address = GetAliasAddress(lnk);
1116 		TcpMonitorOut(tc->th_flags, lnk);
1130 		if (GetAckModified(lnk) == 1) {
1134 			delta = GetDeltaSeqOut(tc->th_seq, lnk);
1180 	struct alias_link *lnk;
1183 	lnk = FindFragmentIn2(la, ip_src, *ip_dst, ip_id);
1184 	if (lnk != NULL) {
1187 		GetFragmentAddr(lnk, &original_address);
1232 	struct alias_link *lnk;
1237 	lnk = AddFragmentPtrLink(la, pip->ip_src, pip->ip_id);
1239 	if (lnk != NULL) {
1240 		SetFragmentPtr(lnk, ptr);
1250 	struct alias_link *lnk;
1256 	lnk = FindFragmentPtr(la, pip->ip_src, pip->ip_id);
1257 	if (lnk != NULL) {
1258 		GetFragmentPtr(lnk, &fptr);
1259 		SetFragmentPtr(lnk, NULL);
1260 		SetExpire(lnk, 0);	/* Deletes link */
1354 				.lnk = NULL,
1379 			struct alias_link *lnk;
1381 			lnk = FindFragmentIn1(la, pip->ip_src, alias_addr, pip->ip_id);
1382 			if (lnk != NULL) {
1384 				SetFragmentAddr(lnk, pip->ip_dst);
1504 				.lnk = NULL,
1544 	struct alias_link *lnk;
1561 		lnk = FindUdpTcpIn(la, pip->ip_dst, pip->ip_src,
1565 		lnk = FindUdpTcpIn(la, pip->ip_dst, pip->ip_src,
1569 		lnk = FindIcmpIn(la, pip->ip_dst, pip->ip_src, ic->icmp_id, 0);
1571 		lnk = NULL;
1574 	if (lnk != NULL) {
1580 			original_address = GetOriginalAddress(lnk);
1581 			original_port = GetOriginalPort(lnk);
1616 			original_address = GetOriginalAddress(lnk);
1617 			original_id = GetOriginalPort(lnk);