contrib/ipfilter/iplang/iplang.h

   1 /*
   2  * Copyright (C) 1997-1998 by Darren Reed.
   3  *
   4  * See the IPFILTER.LICENCE file for details on licencing.
   5  */
   6 typedef struct iface {
   7         int     if_MTU;
   8         char    *if_name;
   9         struct  in_addr if_addr;
  10         struct  ether_addr      if_eaddr;
  11         struct  iface *if_next;
  12         int     if_fd;
  13 } iface_t;
  14
  15
  16 typedef struct  send    {
  17         struct  iface   *snd_if;
  18         struct  in_addr snd_gw;
  19 } send_t;
  20
  21
  22 typedef struct  arp     {
  23         struct  in_addr arp_addr;
  24         struct  ether_addr      arp_eaddr;
  25         struct  arp *arp_next;
  26 } arp_t;
  27
  28
  29 typedef struct  aniphdr {
  30         union   {
  31                 ip_t            *ahu_ip;
  32                 char            *ahu_data;
  33                 tcphdr_t        *ahu_tcp;
  34                 udphdr_t        *ahu_udp;
  35                 icmphdr_t       *ahu_icmp;
  36         } ah_un;
  37         int     ah_optlen;
  38         int     ah_lastopt;
  39         int     ah_p;
  40         size_t  ah_len;
  41         struct  aniphdr *ah_next;
  42         struct  aniphdr *ah_prev;
  43 } aniphdr_t;
  44
  45 #define ah_ip   ah_un.ahu_ip
  46 #define ah_data ah_un.ahu_data
  47 #define ah_tcp  ah_un.ahu_tcp
  48 #define ah_udp  ah_un.ahu_udp
  49 #define ah_icmp ah_un.ahu_icmp
  50
  51 extern  int     get_arpipv4 __P((char *, char *));
  52