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;
708 	lnk = FindProtoOut(la, *ip_src, ip_dst, ip_p);
709 	if (lnk != NULL) {
712 		alias_address = GetAliasAddress(lnk);
729 	struct alias_link *lnk;
735 	lnk = FindUdpTcpIn(la, pip->ip_src, pip->ip_dst,
738 	if (lnk != NULL) {
747 			.lnk = lnk,
756 		alias_address = GetAliasAddress(lnk);
757 		original_address = GetOriginalAddress(lnk);
758 		proxy_address = GetProxyAddress(lnk);
760 		ud->uh_dport = GetOriginalPort(lnk);
761 		proxy_port = GetProxyPort(lnk);
816 	struct alias_link *lnk;
857 	lnk = FindUdpTcpOut(la, pip->ip_src, pip->ip_dst,
860 	if (lnk != NULL) {
864 			.lnk = lnk,
877 	                SetProxyPort(lnk, dest_port);
878 	                SetProxyAddress(lnk, dest_address);
879 	                ProxyModify(la, lnk, pip, maxpacketsize, proxy_type);
883 		alias_address = GetAliasAddress(lnk);
884 		alias_port = GetAliasPort(lnk);
919 	struct alias_link *lnk;
924 	lnk = FindUdpTcpIn(la, pip->ip_src, pip->ip_dst,
928 	if (lnk != NULL) {
943 			.lnk = lnk,
955 		alias_address = GetAliasAddress(lnk);
956 		original_address = GetOriginalAddress(lnk);
957 		proxy_address = GetProxyAddress(lnk);
959 		tc->th_dport = GetOriginalPort(lnk);
960 		proxy_port = GetProxyPort(lnk);
969 					.lnk = lnk,
1001 		if (GetAckModified(lnk) == 1) {
1005 			delta = GetDeltaAckIn(tc->th_ack, lnk);
1030 		TcpMonitorIn(tc->th_flags, lnk);
1046 	struct alias_link *lnk;
1080 	lnk = FindUdpTcpOut(la, pip->ip_src, pip->ip_dst,
1083 	if (lnk == NULL)
1085 	if (lnk != NULL) {
1090 			.lnk = lnk,
1103 			SetProxyPort(lnk, dest_port);
1104 			SetProxyAddress(lnk, dest_address);
1105 			ProxyModify(la, lnk, pip, maxpacketsize, proxy_type);
1109 		alias_port = GetAliasPort(lnk);
1110 		alias_address = GetAliasAddress(lnk);
1114 		TcpMonitorOut(tc->th_flags, lnk);
1128 		if (GetAckModified(lnk) == 1) {
1132 			delta = GetDeltaSeqOut(tc->th_seq, lnk);
1178 	struct alias_link *lnk;
1181 	lnk = FindFragmentIn2(la, ip_src, *ip_dst, ip_id);
1182 	if (lnk != NULL) {
1185 		GetFragmentAddr(lnk, &original_address);
1230 	struct alias_link *lnk;
1235 	lnk = AddFragmentPtrLink(la, pip->ip_src, pip->ip_id);
1237 	if (lnk != NULL) {
1238 		SetFragmentPtr(lnk, ptr);
1248 	struct alias_link *lnk;
1254 	lnk = FindFragmentPtr(la, pip->ip_src, pip->ip_id);
1255 	if (lnk != NULL) {
1256 		GetFragmentPtr(lnk, &fptr);
1257 		SetFragmentPtr(lnk, NULL);
1258 		SetExpire(lnk, 0);	/* Deletes link */
1352 				.lnk = NULL,
1377 			struct alias_link *lnk;
1379 			lnk = FindFragmentIn1(la, pip->ip_src, alias_addr, pip->ip_id);
1380 			if (lnk != NULL) {
1382 				SetFragmentAddr(lnk, pip->ip_dst);
1502 				.lnk = NULL,
1542 	struct alias_link *lnk;
1559 		lnk = FindUdpTcpIn(la, pip->ip_dst, pip->ip_src,
1563 		lnk = FindUdpTcpIn(la, pip->ip_dst, pip->ip_src,
1567 		lnk = FindIcmpIn(la, pip->ip_dst, pip->ip_src, ic->icmp_id, 0);
1569 		lnk = NULL;
1572 	if (lnk != NULL) {
1578 			original_address = GetOriginalAddress(lnk);
1579 			original_port = GetOriginalPort(lnk);
1614 			original_address = GetOriginalAddress(lnk);
1615 			original_id = GetOriginalPort(lnk);