src/patches/iptables-1.4.2-imq.patch

   1 diff -Naur iptables-1.4.2/extensions/.IMQ-test iptables/extensions/.IMQ-test
   2 --- iptables-1.4.2/extensions/.IMQ-test 1970-01-01 10:00:00.000000000 +1000
   3 +++ iptables/extensions/.IMQ-test       2008-06-08 22:41:49.000000000 +1000
   4 @@ -0,0 +1,3 @@
   5 +#!/bin/sh
   6 +# True if IMQ target patch is applied.
   7 +[ -f $KERNEL_DIR/include/linux/netfilter/xt_IMQ.h ] && echo IMQ
   8 diff -Naur iptables-1.4.2/extensions/libipt_IMQ.c iptables/extensions/libipt_IMQ.c
   9 --- iptables-1.4.2/extensions/libipt_IMQ.c      1970-01-01 10:00:00.000000000 +1000
  10 +++ iptables/extensions/libipt_IMQ.c    2008-06-08 22:46:25.000000000 +1000
  11 @@ -0,0 +1,88 @@
  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 <xtables.h>
  19 +#include <linux/netfilter/x_tables.h>
  20 +#include <linux/netfilter/xt_IMQ.h>
  21 +
  22 +/* Function which prints out usage message. */
  23 +static void IMQ_help(void)
  24 +{
  25 +       printf(
  26 +"IMQ target v%s options:\n"
  27 +"  --todev <N>         enqueue to imq<N>, defaults to 0\n",
  28 +XTABLES_VERSION);
  29 +}
  30 +
  31 +static struct option IMQ_opts[] = {
  32 +       { "todev", 1, 0, '1' },
  33 +       { 0 }
  34 +};
  35 +
  36 +/* Initialize the target. */
  37 +static void IMQ_init(struct xt_entry_target *t)
  38 +{
  39 +       struct xt_imq_info *mr = (struct xt_imq_info*)t->data;
  40 +
  41 +       mr->todev = 0;
  42 +}
  43 +
  44 +/* Function which parses command options; returns true if it
  45 +   ate an option */
  46 +static int IMQ_parse(int c, char **argv, int invert, unsigned int *flags,
  47 +      const void *entry, struct xt_entry_target **target)
  48 +{
  49 +       struct xt_imq_info *mr = (struct xt_imq_info*)(*target)->data;
  50 +
  51 +       switch(c) {
  52 +       case '1':
  53 +               if (check_inverse(optarg, &invert, NULL, 0))
  54 +                       exit_error(PARAMETER_PROBLEM,
  55 +                                  "Unexpected `!' after --todev");
  56 +               mr->todev=atoi(optarg);
  57 +               break;
  58 +       default:
  59 +               return 0;
  60 +       }
  61 +       return 1;
  62 +}
  63 +
  64 +/* Prints out the targinfo. */
  65 +static void IMQ_print(const void *ip,
  66 +      const struct xt_entry_target *target,
  67 +      int numeric)
  68 +{
  69 +       struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
  70 +
  71 +       printf("IMQ: todev %u ", mr->todev);
  72 +}
  73 +
  74 +/* Saves the union ipt_targinfo in parsable form to stdout. */
  75 +static void IMQ_save(const void *ip, const struct xt_entry_target *target)
  76 +{
  77 +       struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
  78 +
  79 +       printf("--todev %u", mr->todev);
  80 +}
  81 +
  82 +static struct xtables_target imq = {
  83 +       .name           = "IMQ",
  84 +       .version        = XTABLES_VERSION,
  85 +       .family         = PF_INET,
  86 +       .size           = XT_ALIGN(sizeof(struct xt_imq_info)),
  87 +       .userspacesize  = XT_ALIGN(sizeof(struct xt_imq_info)),
  88 +       .help           = IMQ_help,
  89 +       .init           = IMQ_init,
  90 +       .parse          = IMQ_parse,
  91 +       .print          = IMQ_print,
  92 +       .save           = IMQ_save,
  93 +       .extra_opts     = IMQ_opts,
  94 +};
  95 +
  96 +void _init(void)
  97 +{
  98 +       xtables_register_target(&imq);
  99 +}