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| author | Jo-Philipp Wich <jow@openwrt.org> | 2010-04-05 22:38:40 +0000 |
|---|---|---|
| committer | Jo-Philipp Wich <jow@openwrt.org> | 2010-04-05 22:38:40 +0000 |
| commit | 22e3bd0d8b95ca6db63e0370d88433b61d0f370b (patch) | |
| tree | 719884ccd1a2f658ca7fb89a1cc1b77d3cdcc408 /target/linux/generic-2.4/patches | |
| parent | 501e154d03db5c52b0fc5b655651f81e74c7c0ff (diff) | |
| download | mtk-20170518-22e3bd0d8b95ca6db63e0370d88433b61d0f370b.zip mtk-20170518-22e3bd0d8b95ca6db63e0370d88433b61d0f370b.tar.gz mtk-20170518-22e3bd0d8b95ca6db63e0370d88433b61d0f370b.tar.bz2 | |
add kernel support for iptables comment match
SVN-Revision: 20720
Diffstat (limited to 'target/linux/generic-2.4/patches')
| -rw-r--r-- | target/linux/generic-2.4/patches/630-netfilter_comment.patch | 95 |
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 0000000..1181d06 --- /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 |