libip6t_eui64.c revision 830132ac9c0d270bf9dcfe85c2464e3fe8c73fb9
1/* Shared library add-on to ip6tables to add EUI64 address checking support. */ 2#include <stdio.h> 3#include <netdb.h> 4#include <string.h> 5#include <stdlib.h> 6#include <getopt.h> 7#if defined(__GLIBC__) && __GLIBC__ == 2 8#include <net/ethernet.h> 9#else 10#include <linux/if_ether.h> 11#endif 12#include <ip6tables.h> 13 14/* Function which prints out usage message. */ 15static void 16help(void) 17{ 18 printf( 19"eui64 v%s options:\n" 20" This module hasn't got any option\n" 21" This module checks for EUI64 IPv6 addresses\n" 22"\n", IPTABLES_VERSION); 23} 24 25/* Function which parses command options; returns true if it 26 ate an option */ 27static int 28parse(int c, char **argv, int invert, unsigned int *flags, 29 const void *entry, 30 struct xt_entry_match **match) 31{ 32 return 0; 33} 34 35/* Prints out the matchinfo. */ 36static void 37print(const void *ip, 38 const struct xt_entry_match *match, 39 int numeric) 40{ 41 printf("eui64 "); 42} 43 44/* Saves the union ip6t_matchinfo in parsable form to stdout. */ 45static void save(const void *ip, const struct xt_entry_match *match) 46{ 47 48} 49 50static struct ip6tables_match eui64 = { 51 .name = "eui64", 52 .version = IPTABLES_VERSION, 53 .size = IP6T_ALIGN(sizeof(int)), 54 .userspacesize = IP6T_ALIGN(sizeof(int)), 55 .help = &help, 56 .parse = &parse, 57 .print = &print, 58 .save = &save, 59}; 60 61void _init(void) 62{ 63 register_match6(&eui64); 64} 65