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