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authorjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-04-05 22:38:40 +0000
committerjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-04-05 22:38:40 +0000
commit2aff4f82a518792ccc00b27e3e42f8259fc4c8ab (patch)
treef2c80e785cdee55bdb81b8c389076061cd9e818e /target/linux
parent3f5a33d21c35c0db3db7e1f2a2575819eb860d87 (diff)
[brcm-2.4] add kernel support for iptables comment match
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20720 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/generic-2.4/patches/630-netfilter_comment.patch95
1 files changed, 95 insertions, 0 deletions
diff --git a/target/linux/generic-2.4/patches/630-netfilter_comment.patch b/target/linux/generic-2.4/patches/630-netfilter_comment.patch
new file mode 100644
index 000000000..1181d065e
--- /dev/null
+++ b/target/linux/generic-2.4/patches/630-netfilter_comment.patch
@@ -0,0 +1,95 @@
+--- /dev/null
++++ b/include/linux/netfilter_ipv4/ipt_comment.h
+@@ -0,0 +1,10 @@
++#ifndef _IPT_COMMENT_H
++#define _IPT_COMMENT_H
++
++#define IPT_MAX_COMMENT_LEN 256
++
++struct ipt_comment_info {
++ char comment[IPT_MAX_COMMENT_LEN];
++};
++
++#endif /* _IPT_COMMENT_H */
+--- /dev/null
++++ b/net/ipv4/netfilter/ipt_comment.c
+@@ -0,0 +1,59 @@
++/*
++ * Implements a dummy match to allow attaching comments to rules
++ *
++ * 2003-05-13 Brad Fisher (brad@info-link.net)
++ */
++
++#include <linux/module.h>
++#include <linux/skbuff.h>
++#include <linux/netfilter_ipv4/ip_tables.h>
++#include <linux/netfilter_ipv4/ipt_comment.h>
++
++MODULE_AUTHOR("Brad Fisher <brad@info-link.net>");
++MODULE_DESCRIPTION("iptables comment match module");
++MODULE_LICENSE("GPL");
++
++static int
++match(const struct sk_buff *skb,
++ const struct net_device *in,
++ const struct net_device *out,
++ const void *matchinfo,
++ int offset,
++ int *hotdrop)
++{
++ /* We always match */
++ return 1;
++}
++
++static int
++checkentry(const char *tablename,
++ const struct ipt_ip *ip,
++ void *matchinfo,
++ unsigned int matchsize,
++ unsigned int hook_mask)
++{
++ /* Check the size */
++ if (matchsize != IPT_ALIGN(sizeof(struct ipt_comment_info)))
++ return 0;
++ return 1;
++}
++
++static struct ipt_match comment_match = {
++ .name = "comment",
++ .match = match,
++ .checkentry = checkentry,
++ .me = THIS_MODULE
++};
++
++static int __init init(void)
++{
++ return ipt_register_match(&comment_match);
++}
++
++static void __exit fini(void)
++{
++ ipt_unregister_match(&comment_match);
++}
++
++module_init(init);
++module_exit(fini);
+--- a/net/ipv4/netfilter/Makefile
++++ b/net/ipv4/netfilter/Makefile
+@@ -113,6 +113,7 @@ obj-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt
+ obj-$(CONFIG_IP_NF_MATCH_STRING) += ipt_string.o
+ obj-$(CONFIG_IP_NF_MATCH_TCPMSS) += ipt_tcpmss.o
+ obj-$(CONFIG_IP_NF_MATCH_LAYER7) += ipt_layer7.o
++obj-$(CONFIG_IP_NF_MATCH_COMMENT) += ipt_comment.o
+
+ # targets
+ obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
+--- a/net/ipv4/netfilter/Config.in
++++ b/net/ipv4/netfilter/Config.in
+@@ -44,6 +44,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+ dep_tristate ' LENGTH match support' CONFIG_IP_NF_MATCH_LENGTH $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' TTL match support' CONFIG_IP_NF_MATCH_TTL $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' tcpmss match support' CONFIG_IP_NF_MATCH_TCPMSS $CONFIG_IP_NF_IPTABLES
++ dep_tristate ' comment match support' CONFIG_IP_NF_MATCH_COMMENT $CONFIG_IP_NF_IPTABLES
+ if [ "$CONFIG_IP_NF_CONNTRACK" != "n" ]; then
+ dep_tristate ' Helper match support' CONFIG_IP_NF_MATCH_HELPER $CONFIG_IP_NF_IPTABLES
+ fi