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

   1 /* Shared library add-on to iptables for standard target support. */
   2 #include <stdio.h>
   3 #include <netdb.h>
   4 #include <string.h>
   5 #include <stdlib.h>
   6 #include <limits.h>
   7 #include <getopt.h>
   8 #include <iptables.h>
   9
  10 /* Function which prints out usage message. */
  11 static void
  12 help(void)
  13 {
  14         printf(
  15 "Standard v%s options:\n"
  16 "(If target is DROP, ACCEPT, RETURN or nothing)\n", 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 /* Final check; don't care. */
  40 static void final_check(unsigned int flags)
  41 {
  42 }
  43
  44 /* Saves the targinfo in parsable form to stdout. */
  45 static void
  46 save(const struct ipt_ip *ip, const struct ipt_entry_target *target)
  47 {
  48 }
  49
  50 static
  51 struct iptables_target standard = {
  52         .next           = NULL,
  53         .name           = "standard",
  54         .version        = IPTABLES_VERSION,
  55         .size           = IPT_ALIGN(sizeof(int)),
  56         .userspacesize  = IPT_ALIGN(sizeof(int)),
  57         .help           = &help,
  58         .init           = &init,
  59         .parse          = &parse,
  60         .final_check    = &final_check,
  61         .print          = NULL,
  62         .save           = &save,
  63         .extra_opts     = opts
  64 };
  65
  66 void _init(void)
  67 {
  68         register_target(&standard);
  69 }