ipfilter/netinet/ip_nat.c

3097 	u_int nflags;
3115 	nflags = np->in_flags & flags;
3116 	nflags &= NAT_FROMRULE;
3183 		natl = ipf_nat_outlookup(fin, nflags, (u_int)fin->fin_p,
3196 		natl = ipf_nat_inlookup(fin, nflags, (u_int)fin->fin_p,
3758 /*              nflags(I) - NAT flags for this packet                       */
3768 ipf_nat_icmperror(fin, nflags, dir)
3770 	u_int *nflags;
3802 	*nflags = IPN_ICMPERR;
4069 /*       THIS FUNCTION IS CALLED WITH NAT_SEARCH SET IN nflags.             */
4087 	int nflags;
4247 		nflags = nat->nat_flags;
4248 		if (!(nflags & (NAT_TCPUDP|SI_WILDP)))
4251 		if (ipf_nat_wildok(nat, (int)sport, (int)dport, nflags,
4255 			if ((nflags & SI_CLONE) != 0) {
4404 /*       THIS FUNCTION IS CALLED WITH NAT_SEARCH SET IN nflags.             */
4854 	u_int nflags = 0;
4891 			nflags = IPN_TCP;
4894 			nflags = IPN_UDP;
4904 				nflags = IPN_ICMPQUERY;
4910 		if ((nflags & IPN_TCPUDP))
4918 	if ((fin->fin_p == IPPROTO_ICMP) && !(nflags & IPN_ICMPQUERY) &&
4919 	    (nat = ipf_nat_icmperror(fin, &nflags, NAT_OUTBOUND)))
4923 	else if ((nat = ipf_nat_outlookup(fin, nflags|NAT_SEARCH,
4926 		nflags = nat->nat_flags;
4948 			    !(np->in_flags & nflags))
4995 			nat = ipf_nat_add(fin, np, NULL, nflags, NAT_OUTBOUND);
5010 		rval = ipf_nat_out(fin, nat, natadd, nflags);
5062 /*              nflags(I) - NAT flags set for this packet                   */
5067 ipf_nat_out(fin, nat, natadd, nflags)
5071 	u_32_t nflags;
5096 	if (nflags == IPN_ICMPERR) {
5244 		nflags &= ~IPN_TCPUDPICMP;
5256 		if ((nat->nat_nsport != 0) && (nflags & IPN_TCPUDP)) {
5277 		if ((nat->nat_nsport != 0) && (nflags & IPN_ICMPQUERY)) {
5282 		csump = ipf_nat_proto(fin, nat, nflags);
5348 	u_int nflags, natadd;
5372 	nflags = 0;
5380 			nflags = IPN_TCP;
5383 			nflags = IPN_UDP;
5393 				nflags = IPN_ICMPQUERY;
5400 		if ((nflags & IPN_TCPUDP)) {
5410 	if ((fin->fin_p == IPPROTO_ICMP) && !(nflags & IPN_ICMPQUERY) &&
5411 	    (nat = ipf_nat_icmperror(fin, &nflags, NAT_INBOUND)))
5415 	else if ((nat = ipf_nat_inlookup(fin, nflags|NAT_SEARCH,
5418 		nflags = nat->nat_flags;
5440 			if ((np->in_flags & IPN_RF) && !(np->in_flags & nflags))
5489 			nat = ipf_nat_add(fin, np, NULL, nflags, NAT_INBOUND);
5504 		rval = ipf_nat_in(fin, nat, natadd, nflags);
5556 /*              nflags(I) - NAT flags set for this packet                   */
5562 ipf_nat_in(fin, nat, natadd, nflags)
5566 	u_32_t nflags;
5690 		nflags &= ~IPN_TCPUDPICMP;
5720 		nflags &= ~IPN_TCPUDPICMP;
5728 	if (nflags & IPN_TCPUDP)
5734 		if ((nat->nat_odport != 0) && (nflags & IPN_TCPUDP)) {
5754 		if ((nat->nat_odport != 0) && (nflags & IPN_ICMPQUERY)) {
5760 		csump = ipf_nat_proto(fin, nat, nflags);
5788 /*              nflags(I) - NAT flags set for this packet                   */
5796 ipf_nat_proto(fin, nat, nflags)
5799 	u_int nflags;
5818 		if ((nflags & IPN_TCP) != 0)
5833 		if ((nflags & IPN_UDP) != 0) {
5842 		if ((nflags & IPN_ICMPQUERY) != 0) {
5855 		if ((nflags & IPN_ICMPQUERY) != 0) {
8387 	int nflags;
8393 		nflags = IPN_TCP;
8396 		nflags = IPN_UDP;
8399 		nflags = 0;
8406 		nat = ipf_nat_outlookup(fin, nflags, (u_int)fin->fin_p,
8409 		nat = ipf_nat_inlookup(fin, nflags, (u_int)fin->fin_p,