release/src/router/iptables/extensions/libipt_MIRROR.c

   1 /* Shared library add-on to iptables to add MIRROR target support. */
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <stdlib.h>
   5 #include <getopt.h>
   6
   7 #include <iptables.h>
   8 #include <linux/netfilter_ipv4/ip_tables.h>
   9
  10 /* Function which prints out usage message. */
  11 static void
  12 help(void)
  13 {
  14         printf(
  15 "MIRROR target v%s takes no options\n",
  16 IPTABLES_VERSION);
  17 }
  18
  19 static struct option opts[] = {
  20         { 0 }
  21 };
  22
  23 /* Initialize the target. */
  24 static void
  25 init(struct ipt_entry_target *t, unsigned int *nfcache)
  26 {
  27 }
  28
  29 /* Function which parses command options; returns true if it
  30    ate an option */
  31 static int
  32 parse(int c, char **argv, int invert, unsigned int *flags,
  33       const struct ipt_entry *entry,
  34       struct ipt_entry_target **target)
  35 {
  36         return 0;
  37 }
  38
  39 static void
  40 final_check(unsigned int flags)
  41 {
  42 }
  43
  44 static struct iptables_target mirror = {
  45         .next           = NULL,
  46         .name           = "MIRROR",
  47         .version        = IPTABLES_VERSION,
  48         .size           = IPT_ALIGN(0),
  49         .userspacesize  = IPT_ALIGN(0),
  50         .help           = &help,
  51         .init           = &init,
  52         .parse          = &parse,
  53         .final_check    = &final_check,
  54         .print          = NULL,
  55         .save           = NULL,
  56         .extra_opts     = opts
  57 };
  58
  59 void _init(void)
  60 {
  61         register_target(&mirror);
  62 }