package/iptables/patches/005-imq.patch

   1 --- /dev/null
   2 +++ b/extensions/.IMQ-testx
   3 @@ -0,0 +1,3 @@
   4 +#!/bin/sh
   5 +# True if IMQ target patch is applied.
   6 +[ -f $KERNEL_DIR/include/linux/netfilter/xt_IMQ.h ] && echo IMQ
   7 --- /dev/null
   8 +++ b/extensions/libxt_IMQ.c
   9 @@ -0,0 +1,103 @@
  10 +/* Shared library add-on to iptables to add IMQ target support. */
  11 +#include <stdio.h>
  12 +#include <string.h>
  13 +#include <stdlib.h>
  14 +#include <getopt.h>
  15 +
  16 +#include <xtables.h>
  17 +#include <linux/netfilter/x_tables.h>
  18 +#include <linux/netfilter/xt_IMQ.h>
  19 +
  20 +/* Function which prints out usage message. */
  21 +static void IMQ_help(void)
  22 +{
  23 +       printf(
  24 +"IMQ target v%s options:\n"
  25 +"  --todev <N>         enqueue to imq<N>, defaults to 0\n",
  26 +XTABLES_VERSION);
  27 +}
  28 +
  29 +static struct option IMQ_opts[] = {
  30 +       { "todev", 1, 0, '1' },
  31 +       { 0 }
  32 +};
  33 +
  34 +/* Initialize the target. */
  35 +static void IMQ_init(struct xt_entry_target *t)
  36 +{
  37 +       struct xt_imq_info *mr = (struct xt_imq_info*)t->data;
  38 +
  39 +       mr->todev = 0;
  40 +}
  41 +
  42 +/* Function which parses command options; returns true if it
  43 +   ate an option */
  44 +static int IMQ_parse(int c, char **argv, int invert, unsigned int *flags,
  45 +      const void *entry, struct xt_entry_target **target)
  46 +{
  47 +       struct xt_imq_info *mr = (struct xt_imq_info*)(*target)->data;
  48 +
  49 +       switch(c) {
  50 +       case '1':
  51 +               if (xtables_check_inverse(optarg, &invert, NULL, 0, argv))
  52 +                       xtables_error(PARAMETER_PROBLEM,
  53 +                                  "Unexpected `!' after --todev");
  54 +               mr->todev=atoi(optarg);
  55 +               break;
  56 +       default:
  57 +               return 0;
  58 +       }
  59 +       return 1;
  60 +}
  61 +
  62 +/* Prints out the targinfo. */
  63 +static void IMQ_print(const void *ip,
  64 +      const struct xt_entry_target *target,
  65 +      int numeric)
  66 +{
  67 +       struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
  68 +
  69 +       printf("IMQ: todev %u ", mr->todev);
  70 +}
  71 +
  72 +/* Saves the union ipt_targinfo in parsable form to stdout. */
  73 +static void IMQ_save(const void *ip, const struct xt_entry_target *target)
  74 +{
  75 +       struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
  76 +
  77 +       printf("--todev %u", mr->todev);
  78 +}
  79 +
  80 +static struct xtables_target imq_target = {
  81 +       .name           = "IMQ",
  82 +       .version        = XTABLES_VERSION,
  83 +       .family         = NFPROTO_IPV4,
  84 +       .size           = XT_ALIGN(sizeof(struct xt_imq_info)),
  85 +       .userspacesize  = XT_ALIGN(sizeof(struct xt_imq_info)),
  86 +       .help           = IMQ_help,
  87 +       .init           = IMQ_init,
  88 +       .parse          = IMQ_parse,
  89 +       .print          = IMQ_print,
  90 +       .save           = IMQ_save,
  91 +       .extra_opts     = IMQ_opts,
  92 +};
  93 +
  94 +static struct xtables_target imq_target6 = {
  95 +       .name           = "IMQ",
  96 +       .version        = XTABLES_VERSION,
  97 +       .family         = NFPROTO_IPV6,
  98 +       .size           = XT_ALIGN(sizeof(struct xt_imq_info)),
  99 +       .userspacesize  = XT_ALIGN(sizeof(struct xt_imq_info)),
 100 +       .help           = IMQ_help,
 101 +       .init           = IMQ_init,
 102 +       .parse          = IMQ_parse,
 103 +       .print          = IMQ_print,
 104 +       .save           = IMQ_save,
 105 +       .extra_opts     = IMQ_opts,
 106 +};
 107 +
 108 +void _init(void)
 109 +{
 110 +       xtables_register_target(&imq_target);
 111 +       xtables_register_target(&imq_target6);
 112 +}
 113 --- /dev/null
 114 +++ b/include/linux/netfilter/xt_IMQ.h
 115 @@ -0,0 +1,9 @@
 116 +#ifndef _XT_IMQ_H
 117 +#define _XT_IMQ_H
 118 +
 119 +struct xt_imq_info {
 120 +       unsigned int todev;     /* target imq device */
 121 +};
 122 +
 123 +#endif /* _XT_IMQ_H */
 124 +