125 lines
2.9 KiB
Diff
125 lines
2.9 KiB
Diff
--- /dev/null
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+++ b/extensions/.IMQ-testx
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@@ -0,0 +1,3 @@
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+#!/bin/sh
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+# True if IMQ target patch is applied.
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+[ -f $KERNEL_DIR/include/linux/netfilter/xt_IMQ.h ] && echo IMQ
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--- /dev/null
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+++ b/extensions/libxt_IMQ.c
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@@ -0,0 +1,103 @@
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+/* Shared library add-on to iptables to add IMQ target support. */
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+#include <stdio.h>
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+#include <string.h>
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+#include <stdlib.h>
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+#include <getopt.h>
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+
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+#include <xtables.h>
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+#include <linux/netfilter/x_tables.h>
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+#include <linux/netfilter/xt_IMQ.h>
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+
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+/* Function which prints out usage message. */
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+static void IMQ_help(void)
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+{
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+ printf(
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+"IMQ target v%s options:\n"
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+" --todev <N> enqueue to imq<N>, defaults to 0\n",
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+XTABLES_VERSION);
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+}
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+
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+static struct option IMQ_opts[] = {
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+ { "todev", 1, 0, '1' },
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+ { 0 }
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+};
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+
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+/* Initialize the target. */
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+static void IMQ_init(struct xt_entry_target *t)
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+{
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+ struct xt_imq_info *mr = (struct xt_imq_info*)t->data;
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+
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+ mr->todev = 0;
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+}
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+
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+/* Function which parses command options; returns true if it
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+ ate an option */
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+static int IMQ_parse(int c, char **argv, int invert, unsigned int *flags,
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+ const void *entry, struct xt_entry_target **target)
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+{
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+ struct xt_imq_info *mr = (struct xt_imq_info*)(*target)->data;
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+
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+ switch(c) {
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+ case '1':
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+ if (xtables_check_inverse(optarg, &invert, NULL, 0, argv))
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+ xtables_error(PARAMETER_PROBLEM,
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+ "Unexpected `!' after --todev");
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+ mr->todev=atoi(optarg);
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+ break;
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+ default:
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+ return 0;
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+ }
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+ return 1;
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+}
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+
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+/* Prints out the targinfo. */
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+static void IMQ_print(const void *ip,
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+ const struct xt_entry_target *target,
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+ int numeric)
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+{
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+ struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
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+
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+ printf("IMQ: todev %u ", mr->todev);
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+}
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+
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+/* Saves the union ipt_targinfo in parsable form to stdout. */
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+static void IMQ_save(const void *ip, const struct xt_entry_target *target)
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+{
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+ struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
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+
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+ printf("--todev %u", mr->todev);
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+}
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+
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+static struct xtables_target imq_target = {
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+ .name = "IMQ",
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+ .version = XTABLES_VERSION,
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+ .family = NFPROTO_IPV4,
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+ .size = XT_ALIGN(sizeof(struct xt_imq_info)),
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+ .userspacesize = XT_ALIGN(sizeof(struct xt_imq_info)),
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+ .help = IMQ_help,
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+ .init = IMQ_init,
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+ .parse = IMQ_parse,
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+ .print = IMQ_print,
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+ .save = IMQ_save,
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+ .extra_opts = IMQ_opts,
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+};
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+
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+static struct xtables_target imq_target6 = {
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+ .name = "IMQ",
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+ .version = XTABLES_VERSION,
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+ .family = NFPROTO_IPV6,
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+ .size = XT_ALIGN(sizeof(struct xt_imq_info)),
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+ .userspacesize = XT_ALIGN(sizeof(struct xt_imq_info)),
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+ .help = IMQ_help,
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+ .init = IMQ_init,
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+ .parse = IMQ_parse,
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+ .print = IMQ_print,
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+ .save = IMQ_save,
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+ .extra_opts = IMQ_opts,
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+};
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+
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+void _init(void)
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+{
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+ xtables_register_target(&imq_target);
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+ xtables_register_target(&imq_target6);
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+}
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--- /dev/null
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+++ b/include/linux/netfilter/xt_IMQ.h
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@@ -0,0 +1,9 @@
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+#ifndef _XT_IMQ_H
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+#define _XT_IMQ_H
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+
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+struct xt_imq_info {
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+ unsigned int todev; /* target imq device */
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+};
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+
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+#endif /* _XT_IMQ_H */
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+
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