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

   1 /* Shared library add-on to iptables for unclean. */
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <getopt.h>
   5 #include <iptables.h>
   6
   7 /* Function which prints out usage message. */
   8 static void
   9 help(void)
  10 {
  11         printf(
  12 "unclean v%s takes no options\n"
  13 "\n", IPTABLES_VERSION);
  14 }
  15
  16 static struct option opts[] = {
  17         {0}
  18 };
  19
  20 /* Function which parses command options; returns true if it
  21    ate an option */
  22 static int
  23 parse(int c, char **argv, int invert, unsigned int *flags,
  24       const struct ipt_entry *entry,
  25       unsigned int *nfcache,
  26       struct ipt_entry_match **match)
  27 {
  28         return 0;
  29 }
  30
  31 /* Final check; must have specified --mac. */
  32 static void final_check(unsigned int flags)
  33 {
  34 }
  35
  36 static
  37 struct iptables_match unclean = {
  38         .next           = NULL,
  39         .name           = "unclean",
  40         .version        = IPTABLES_VERSION,
  41         .size           = IPT_ALIGN(0),
  42         .userspacesize  = IPT_ALIGN(0),
  43         .help           = &help,
  44         .parse          = &parse,
  45         .final_check    = &final_check,
  46         .print          = NULL,
  47         .save           = NULL,
  48         .extra_opts     = opts
  49 };
  50
  51 void _init(void)
  52 {
  53         register_match(&unclean);
  54 }