libip6t_eui64.c revision 8115e5425721cd610b6390c3d4c24540773b0520 
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
25static struct option opts[] = {
26	{0}
27};
28
29/* Function which parses command options; returns true if it
30   ate an option */
31static int
32parse(int c, char **argv, int invert, unsigned int *flags,
33      const struct ip6t_entry *entry,
34      unsigned int *nfcache,
35      struct ip6t_entry_match **match)
36{
37	return 0;
38}
39
40/* Final check */
41static void final_check(unsigned int flags)
42{
43}
44
45/* Prints out the matchinfo. */
46static void
47print(const struct ip6t_ip6 *ip,
48      const struct ip6t_entry_match *match,
49      int numeric)
50{
51	printf("eui64 ");
52}
53
54/* Saves the union ip6t_matchinfo in parsable form to stdout. */
55static void save(const struct ip6t_ip6 *ip, const struct ip6t_entry_match *match)
56{
57
58}
59
60static struct ip6tables_match eui64 = {
61	.name 		= "eui64",
62	.version	= IPTABLES_VERSION,
63	.size		= IP6T_ALIGN(sizeof(int)),
64	.userspacesize	= IP6T_ALIGN(sizeof(int)),
65	.help		= &help,
66	.parse		= &parse,
67	.final_check	= &final_check,
68	.print		= &print,
69	.save		= &save,
70	.extra_opts	= opts,
71};
72
73void _init(void)
74{
75	register_match6(&eui64);
76}
77