netinet/libalias/alias.c

279 static int	ProtoAliasIn(struct libalias *la, struct in_addr ip_src,
281 static int	ProtoAliasOut(struct libalias *la, struct in_addr *ip_src,
307 	lnk = FindIcmpIn(la, pip->ip_src, pip->ip_dst, ic->icmp_id, 1);
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);
385 			accumulate = twowords(&ip->ip_src);
402 			ip->ip_src = original_address;
413 			accumulate = twowords(&ip->ip_src);
430 			ip->ip_src = original_address;
497 	lnk = FindIcmpOut(la, pip->ip_src, pip->ip_dst, ic->icmp_id, create);
518 			    &alias_address, &pip->ip_src, 2);
519 			pip->ip_src = alias_address;
550 		lnk = FindUdpTcpOut(la, ip->ip_dst, ip->ip_src,
554 		lnk = FindUdpTcpOut(la, ip->ip_dst, ip->ip_src,
559 			lnk = FindIcmpOut(la, ip->ip_dst, ip->ip_src, ic2->icmp_id, 0);
585 			if (pip->ip_src.s_addr == ip->ip_dst.s_addr) {
587 				    &alias_address, &pip->ip_src, 2);
588 				pip->ip_src = alias_address;
613 			if (pip->ip_src.s_addr == ip->ip_dst.s_addr) {
615 				    &alias_address, &pip->ip_src, 2);
616 				pip->ip_src = alias_address;
666 ProtoAliasIn(struct libalias *la, struct in_addr ip_src,
682 	lnk = FindProtoIn(la, ip_src, *ip_dst, ip_p);
699 ProtoAliasOut(struct libalias *la, struct in_addr *ip_src,
718 	lnk = FindProtoOut(la, *ip_src, ip_dst, ip_p);
726 		    &alias_address, ip_src, 2);
727 		*ip_src = alias_address;
752 	lnk = FindUdpTcpIn(la, pip->ip_src, pip->ip_dst,
801 				accumulate += twowords(&pip->ip_src);
815                 	    &proxy_address, &pip->ip_src, 2);
816 	        	pip->ip_src = proxy_address;
853 		&proxy_server_port, pip->ip_src, pip->ip_dst,
881 	lnk = FindUdpTcpOut(la, pip->ip_src, pip->ip_dst,
920 			accumulate += twowords(&pip->ip_src);
929 		    &alias_address, &pip->ip_src, 2);
930 		pip->ip_src = alias_address;
953 	lnk = FindUdpTcpIn(la, pip->ip_src, pip->ip_dst,
1026 			accumulate += twowords(&pip->ip_src);
1051 			accumulate += twowords(&pip->ip_src);
1052 			pip->ip_src = proxy_address;
1053 			accumulate -= twowords(&pip->ip_src);
1086 		    &proxy_server_port, pip->ip_src, pip->ip_dst,
1113 	lnk = FindUdpTcpOut(la, pip->ip_src, pip->ip_dst,
1157 		accumulate += twowords(&pip->ip_src);
1175 		accumulate = twowords(&pip->ip_src);
1176 		pip->ip_src = alias_address;
1177 		accumulate -= twowords(&pip->ip_src);
1202 static int	FragmentIn(struct libalias *la, struct in_addr ip_src,
1204 static int	FragmentOut(struct libalias *, struct in_addr *ip_src,
1208 FragmentIn(struct libalias *la, struct in_addr ip_src, struct in_addr *ip_dst,
1214 	lnk = FindFragmentIn2(la, ip_src, *ip_dst, ip_id);
1229 FragmentOut(struct libalias *la, struct in_addr *ip_src, u_short *ip_sum)
1234 	alias_address = FindAliasAddress(la, *ip_src);
1236 	    &alias_address, ip_src, 2);
1237 	*ip_src = alias_address;
1268 	lnk = AddFragmentPtrLink(la, pip->ip_src, pip->ip_id);
1287 	lnk = FindFragmentPtr(la, pip->ip_src, pip->ip_id);
1399 				iresult = ProtoAliasIn(la, pip->ip_src,
1404 			iresult = ProtoAliasIn(la, pip->ip_src, &pip->ip_dst,
1412 			lnk = FindFragmentIn1(la, pip->ip_src, alias_addr, pip->ip_id);
1421 		iresult = FragmentIn(la, pip->ip_src, &pip->ip_dst, pip->ip_id,
1506 		addr = ntohl(pip->ip_src.s_addr);
1518 			SetDefaultAliasAddress(la, pip->ip_src);
1521 		SetDefaultAliasAddress(la, pip->ip_src);
1556  				iresult = ProtoAliasOut(la, &pip->ip_src,
1561 			iresult = ProtoAliasOut(la, &pip->ip_src,
1566 		iresult = FragmentOut(la, &pip->ip_src, &pip->ip_sum);
1600 		lnk = FindUdpTcpIn(la, pip->ip_dst, pip->ip_src,
1604 		lnk = FindUdpTcpIn(la, pip->ip_dst, pip->ip_src,
1608 		lnk = FindIcmpIn(la, pip->ip_dst, pip->ip_src, ic->icmp_id, 0);
1623 			accumulate = twowords(&pip->ip_src);
1638 			    &original_address, &pip->ip_src, 2);
1641 			pip->ip_src = original_address;
1659 			accumulate = twowords(&pip->ip_src);
1667 			    &original_address, &pip->ip_src, 2);
1670 			pip->ip_src = original_address;