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/* Shared library add-on to ip6tables to add EUI64 address checking support. */
#include <stdio.h>
#include <netdb.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#if defined(__GLIBC__) && __GLIBC__ == 2
#include <net/ethernet.h>
#else
#include <linux/if_ether.h>
#endif
#include <ip6tables.h>
/* Function which prints out usage message. */
static void
help(void)
{
printf(
"eui64 v%s options:\n"
" This module hasn't got any option\n"
" This module checks for EUI64 IPv6 addresses\n"
"\n", NETFILTER_VERSION);
}
static struct option opts[] = {
{0}
};
/* Initialize the match. */
static void
init(struct ip6t_entry_match *m, unsigned int *nfcache)
{
/* Can't cache this */
*nfcache |= NFC_UNKNOWN;
}
/* Function which parses command options; returns true if it
ate an option */
static int
parse(int c, char **argv, int invert, unsigned int *flags,
const struct ip6t_entry *entry,
unsigned int *nfcache,
struct ip6t_entry_match **match)
{
return 0;
}
/* Final check */
static void final_check(unsigned int flags)
{
}
/* Prints out the matchinfo. */
static void
print(const struct ip6t_ip6 *ip,
const struct ip6t_entry_match *match,
int numeric)
{
printf("eui64 ");
}
/* Saves the union ip6t_matchinfo in parsable form to stdout. */
static void save(const struct ip6t_ip6 *ip, const struct ip6t_entry_match *match)
{
}
static
struct ip6tables_match eui64
= { NULL,
"eui64",
NETFILTER_VERSION,
IP6T_ALIGN(sizeof(int)),
IP6T_ALIGN(sizeof(int)),
&help,
&init,
&parse,
&final_check,
&print,
&save,
opts
};
void _init(void)
{
register_match6(&eui64);
}
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