iptables-1.2.9-ipt_imq.patch

   1 diff -uNr iptables-1.2.9_20040308.orig/extensions/.IMQ-test iptables-1.2.9_20040308/extensions/.IMQ-test
   2 --- iptables-1.2.9_20040308.orig/extensions/.IMQ-test   1970-01-01 01:00:00.000000000 +0100
   3 +++ iptables-1.2.9_20040308/extensions/.IMQ-test        2004-03-14 14:55:14.623395152 +0100
   4 @@ -0,0 +1,3 @@
   5 +#!/bin/sh
   6 +# True if IMQ target patch is applied.
   7 +[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_IMQ.c ] && echo IMQ
   8 diff -uNr iptables-1.2.9_20040308.orig/extensions/libipt_IMQ.c iptables-1.2.9_20040308/extensions/libipt_IMQ.c
   9 --- iptables-1.2.9_20040308.orig/extensions/libipt_IMQ.c        1970-01-01 01:00:00.000000000 +0100
  10 +++ iptables-1.2.9_20040308/extensions/libipt_IMQ.c     2004-03-14 14:56:05.363681456 +0100
  11 @@ -0,0 +1,102 @@
  12 +/* Shared library add-on to iptables to add IMQ target support. */
  13 +#include <stdio.h>
  14 +#include <string.h>
  15 +#include <stdlib.h>
  16 +#include <getopt.h>
  17 +
  18 +#include <iptables.h>
  19 +#include <linux/netfilter_ipv4/ip_tables.h>
  20 +#include <linux/netfilter_ipv4/ipt_IMQ.h>
  21 +
  22 +/* Function which prints out usage message. */
  23 +static void
  24 +help(void)
  25 +{
  26 +       printf(
  27 +"IMQ target v%s options:\n"
  28 +"  --todev <N>         enqueue to imq<N>, defaults to 0\n",
  29 +IPTABLES_VERSION);
  30 +}
  31 +
  32 +static struct option opts[] = {
  33 +       { "todev", 1, 0, '1' },
  34 +       { 0 }
  35 +};
  36 +
  37 +/* Initialize the target. */
  38 +static void
  39 +init(struct ipt_entry_target *t, unsigned int *nfcache)
  40 +{
  41 +       struct ipt_imq_info *mr = (struct ipt_imq_info*)t->data;
  42 +
  43 +       mr->todev = 0;
  44 +       *nfcache |= NFC_UNKNOWN;
  45 +}
  46 +
  47 +/* Function which parses command options; returns true if it
  48 +   ate an option */
  49 +static int
  50 +parse(int c, char **argv, int invert, unsigned int *flags,
  51 +      const struct ipt_entry *entry,
  52 +      struct ipt_entry_target **target)
  53 +{
  54 +       struct ipt_imq_info *mr = (struct ipt_imq_info*)(*target)->data;
  55 +
  56 +       switch(c) {
  57 +       case '1':
  58 +               if (check_inverse(optarg, &invert, NULL, 0))
  59 +                       exit_error(PARAMETER_PROBLEM,
  60 +                                  "Unexpected `!' after --todev");
  61 +               mr->todev=atoi(optarg);
  62 +               break;
  63 +       default:
  64 +               return 0;
  65 +       }
  66 +       return 1;
  67 +}
  68 +
  69 +static void
  70 +final_check(unsigned int flags)
  71 +{
  72 +}
  73 +
  74 +/* Prints out the targinfo. */
  75 +static void
  76 +print(const struct ipt_ip *ip,
  77 +      const struct ipt_entry_target *target,
  78 +      int numeric)
  79 +{
  80 +       struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data;
  81 +
  82 +       printf("IMQ: todev %u ", mr->todev);
  83 +}
  84 +
  85 +/* Saves the union ipt_targinfo in parsable form to stdout. */
  86 +static void
  87 +save(const struct ipt_ip *ip, const struct ipt_entry_target *target)
  88 +{
  89 +       struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data;
  90 +
  91 +       printf("--todev %u", mr->todev);
  92 +}
  93 +
  94 +static
  95 +struct iptables_target imq
  96 += { NULL,
  97 +    "IMQ",
  98 +    IPTABLES_VERSION,
  99 +    IPT_ALIGN(sizeof(struct ipt_imq_info)),
 100 +    IPT_ALIGN(sizeof(struct ipt_imq_info)),
 101 +    &help,
 102 +    &init,
 103 +    &parse,
 104 +    &final_check,
 105 +    &print,
 106 +    &save,
 107 +    opts
 108 +};
 109 +
 110 +void _init(void)
 111 +{
 112 +       register_target(&imq);
 113 +}