iptables-stealth.patch

   1 diff -urN iptables-1.2.11/extensions/libipt_stealth.c iptables-1.2.11/extensions/libipt_stealth.c
   2 --- iptables-1.2.11/extensions/libipt_stealth.c 1969-12-31 19:00:00 -0500
   3 +++ iptables-1.2.11/extensions/libipt_stealth.c 2004-07-13 21:14:15 -0400
   4 @@ -0,0 +1,62 @@
   5 +/* Shared library add-on to iptables to add stealth support.
   6 + * Copyright (C) 2002 Brad Spengler  <spender@grsecurity.net>
   7 + * This netfilter module is licensed under the GNU GPL.
   8 + */
   9 +
  10 +#include <stdio.h>
  11 +#include <netdb.h>
  12 +#include <stdlib.h>
  13 +#include <getopt.h>
  14 +#include <iptables.h>
  15 +
  16 +/* Function which prints out usage message. */
  17 +static void
  18 +help(void)
  19 +{
  20 +       printf("stealth v%s takes no options\n\n", XTABLES_VERSION);
  21 +}
  22 +
  23 +static struct option opts[] = {
  24 +       {0}
  25 +};
  26 +
  27 +/* Initialize the match. */
  28 +static void
  29 +init(struct ipt_entry_match *m, unsigned int *nfcache)
  30 +{
  31 +       *nfcache |= NFC_UNKNOWN;
  32 +}
  33 +
  34 +static int
  35 +parse(int c, char **argv, int invert, unsigned int *flags,
  36 +       const void *entry, struct xt_entry_match **match)
  37 +{
  38 +       return 0;
  39 +}
  40 +
  41 +static void
  42 +final_check(unsigned int flags)
  43 +{
  44 +       return;
  45 +}
  46 +
  47 +static
  48 +struct xtables_match stealth = {
  49 +       .next           = NULL,
  50 +       .name           = "stealth",
  51 +       .version        = XTABLES_VERSION,
  52 +       .size           = IPT_ALIGN(0),
  53 +       .userspacesize  = IPT_ALIGN(0),
  54 +       .help           = &help,
  55 +       .init           = &init,
  56 +       .parse          = &parse,
  57 +       .final_check    = &final_check,
  58 +       .print          = NULL,
  59 +       .save           = NULL,
  60 +       .extra_opts     = opts
  61 +};
  62 +
  63 +void _init(void)
  64 +{
  65 +       xtables_register_match(&stealth);
  66 +}