netpfil/ipfw/ip_fw2.c

961 	 * We store in ulp a pointer to the upper layer protocol header.
964 	 * ulp is NULL if not found.
966 	void *ulp = NULL;		/* upper layer protocol pointer. */
1022 		while (ulp == NULL && offset == 0) {
1025 				PULLUP_TO(hlen, ulp, struct icmp6_hdr);
1026 				icmp6_type = ICMP6(ulp)->icmp6_type;
1030 				PULLUP_TO(hlen, ulp, struct tcphdr);
1031 				dst_port = TCP(ulp)->th_dport;
1032 				src_port = TCP(ulp)->th_sport;
1034 				args->f_id._flags = TCP(ulp)->th_flags;
1038 				PULLUP_TO(hlen, ulp, struct sctphdr);
1039 				src_port = SCTP(ulp)->src_port;
1040 				dst_port = SCTP(ulp)->dest_port;
1044 				PULLUP_TO(hlen, ulp, struct udphdr);
1045 				dst_port = UDP(ulp)->uh_dport;
1046 				src_port = UDP(ulp)->uh_sport;
1050 				PULLUP_TO(hlen, ulp, struct ip6_hbh);
1052 				hlen += (((struct ip6_hbh *)ulp)->ip6h_len + 1) << 3;
1053 				proto = ((struct ip6_hbh *)ulp)->ip6h_nxt;
1054 				ulp = NULL;
1058 				PULLUP_TO(hlen, ulp, struct ip6_rthdr);
1059 				switch (((struct ip6_rthdr *)ulp)->ip6r_type) {
1071 						    ulp)->ip6r_type);
1077 				hlen += (((struct ip6_rthdr *)ulp)->ip6r_len + 1) << 3;
1078 				proto = ((struct ip6_rthdr *)ulp)->ip6r_nxt;
1079 				ulp = NULL;
1083 				PULLUP_TO(hlen, ulp, struct ip6_frag);
1086 				proto = ((struct ip6_frag *)ulp)->ip6f_nxt;
1087 				offset = ((struct ip6_frag *)ulp)->ip6f_offlg &
1089 				ip6f_mf = ((struct ip6_frag *)ulp)->ip6f_offlg &
1101 				    ntohl(((struct ip6_frag *)ulp)->ip6f_ident);
1102 				ulp = NULL;
1106 				PULLUP_TO(hlen, ulp, struct ip6_hbh);
1108 				hlen += (((struct ip6_hbh *)ulp)->ip6h_len + 1) << 3;
1109 				proto = ((struct ip6_hbh *)ulp)->ip6h_nxt;
1110 				ulp = NULL;
1114 				PULLUP_TO(hlen, ulp, struct ip6_ext);
1116 				hlen += (((struct ip6_ext *)ulp)->ip6e_len + 2) << 2;
1117 				proto = ((struct ip6_ext *)ulp)->ip6e_nxt;
1118 				ulp = NULL;
1122 				PULLUP_TO(hlen, ulp, uint32_t);	/* SPI, Seq# */
1134 				ulp = ip; /* non-NULL to get out of loop. */
1139 				PULLUP_TO(hlen, ulp, struct ip6_ext);
1144 				PULLUP_TO(hlen, ulp, struct pim);
1148 				PULLUP_TO(hlen, ulp, struct carp_header);
1149 				if (((struct carp_header *)ulp)->carp_version !=
1152 				if (((struct carp_header *)ulp)->carp_type !=
1158 				PULLUP_TO(hlen, ulp, struct ip6_hdr);
1162 				PULLUP_TO(hlen, ulp, struct ip);
1172 				PULLUP_TO(hlen, ulp, struct ip6_ext);
1202 				PULLUP_TO(hlen, ulp, struct tcphdr);
1203 				dst_port = TCP(ulp)->th_dport;
1204 				src_port = TCP(ulp)->th_sport;
1206 				args->f_id._flags = TCP(ulp)->th_flags;
1210 				PULLUP_TO(hlen, ulp, struct sctphdr);
1211 				src_port = SCTP(ulp)->src_port;
1212 				dst_port = SCTP(ulp)->dest_port;
1216 				PULLUP_TO(hlen, ulp, struct udphdr);
1217 				dst_port = UDP(ulp)->uh_dport;
1218 				src_port = UDP(ulp)->uh_sport;
1222 				PULLUP_TO(hlen, ulp, struct icmphdr);
1223 				//args->f_id.flags = ICMP(ulp)->icmp_type;
1604 				    icmptype_match(ICMP(ulp), (ipfw_insn_u32 *)cmd) );
1612 					ICMP6(ulp)->icmp6_type,
1696 				    tcp = TCP(ulp);
1713 				    flags_match(cmd, TCP(ulp)->th_flags));
1717 				PULLUP_LEN(hlen, ulp, (TCP(ulp)->th_off << 2));
1719 				    tcpopts_match(TCP(ulp), cmd));
1725 					TCP(ulp)->th_seq);
1731 					TCP(ulp)->th_ack);
1740 				    x = ntohs(TCP(ulp)->th_win);
1757 				    (TCP(ulp)->th_flags &
2079 					TCP(ulp) : NULL))
2279 				     is_icmp_query(ICMP(ulp))) &&