| 1 | /* $NetBSD: iplang.h,v 1.1.1.2 2012/07/22 13:44:33 darrenr Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (C) 2012 by Darren Reed. |
| 5 | * |
| 6 | * See the IPFILTER.LICENCE file for details on licencing. |
| 7 | */ |
| 8 | typedef struct iface { |
| 9 | int if_MTU; |
| 10 | char *if_name; |
| 11 | struct in_addr if_addr; |
| 12 | struct ether_addr if_eaddr; |
| 13 | struct iface *if_next; |
| 14 | int if_fd; |
| 15 | } iface_t; |
| 16 | |
| 17 | |
| 18 | typedef struct send { |
| 19 | struct iface *snd_if; |
| 20 | struct in_addr snd_gw; |
| 21 | } send_t; |
| 22 | |
| 23 | |
| 24 | typedef struct arp { |
| 25 | struct in_addr arp_addr; |
| 26 | struct ether_addr arp_eaddr; |
| 27 | struct arp *arp_next; |
| 28 | } arp_t; |
| 29 | |
| 30 | |
| 31 | typedef struct aniphdr { |
| 32 | union { |
| 33 | ip_t *ahu_ip; |
| 34 | char *ahu_data; |
| 35 | tcphdr_t *ahu_tcp; |
| 36 | udphdr_t *ahu_udp; |
| 37 | icmphdr_t *ahu_icmp; |
| 38 | } ah_un; |
| 39 | int ah_optlen; |
| 40 | int ah_lastopt; |
| 41 | int ah_p; |
| 42 | size_t ah_len; |
| 43 | struct aniphdr *ah_next; |
| 44 | struct aniphdr *ah_prev; |
| 45 | } aniphdr_t; |
| 46 | |
| 47 | #define ah_ip ah_un.ahu_ip |
| 48 | #define ah_data ah_un.ahu_data |
| 49 | #define ah_tcp ah_un.ahu_tcp |
| 50 | #define ah_udp ah_un.ahu_udp |
| 51 | #define ah_icmp ah_un.ahu_icmp |
| 52 | |
| 53 | extern int get_arpipv4 __P((char *, char *)); |
| 54 | |
| 55 | |