diff options
author | Jan Engelhardt <jengelh@medozas.de> | 2009-02-18 18:39:31 +0100 |
---|---|---|
committer | Patrick McHardy <kaber@trash.net> | 2009-02-18 18:39:31 +0100 |
commit | cfac5ef7b92a2d504563989ecd0beb563920444b (patch) | |
tree | d0d7ef26dc3eeaf0ab72494814665a7c1565ebd3 /net/ipv4 | |
parent | 563d36eb3fb22dd04da9aa6f12e1b9ba0ac115f3 (diff) |
netfilter: Combine ipt_ttl and ip6t_hl source
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/netfilter/Kconfig | 9 | ||||
-rw-r--r-- | net/ipv4/netfilter/Makefile | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/ipt_ttl.c | 63 |
3 files changed, 0 insertions, 73 deletions
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 3ad9f43b4c45..40ad41f19b72 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -92,15 +92,6 @@ config IP_NF_MATCH_ECN To compile it as a module, choose M here. If unsure, say N. -config IP_NF_MATCH_TTL - tristate '"ttl" match support' - depends on NETFILTER_ADVANCED - help - This adds CONFIG_IP_NF_MATCH_TTL option, which enabled the user - to match packets by their TTL value. - - To compile it as a module, choose M here. If unsure, say N. - # `filter', generic and specific targets config IP_NF_FILTER tristate "Packet filtering" diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile index 20b0c37155fb..48111594ee9b 100644 --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -51,7 +51,6 @@ obj-$(CONFIG_IP_NF_SECURITY) += iptable_security.o obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o -obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o # targets obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o diff --git a/net/ipv4/netfilter/ipt_ttl.c b/net/ipv4/netfilter/ipt_ttl.c deleted file mode 100644 index 297f1cbf4ff5..000000000000 --- a/net/ipv4/netfilter/ipt_ttl.c +++ /dev/null @@ -1,63 +0,0 @@ -/* IP tables module for matching the value of the TTL - * - * (C) 2000,2001 by Harald Welte <laforge@netfilter.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/ip.h> -#include <linux/module.h> -#include <linux/skbuff.h> - -#include <linux/netfilter_ipv4/ipt_ttl.h> -#include <linux/netfilter/x_tables.h> - -MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>"); -MODULE_DESCRIPTION("Xtables: IPv4 TTL field match"); -MODULE_LICENSE("GPL"); - -static bool ttl_mt(const struct sk_buff *skb, const struct xt_match_param *par) -{ - const struct ipt_ttl_info *info = par->matchinfo; - const u8 ttl = ip_hdr(skb)->ttl; - - switch (info->mode) { - case IPT_TTL_EQ: - return ttl == info->ttl; - case IPT_TTL_NE: - return ttl != info->ttl; - case IPT_TTL_LT: - return ttl < info->ttl; - case IPT_TTL_GT: - return ttl > info->ttl; - default: - printk(KERN_WARNING "ipt_ttl: unknown mode %d\n", - info->mode); - return false; - } - - return false; -} - -static struct xt_match ttl_mt_reg __read_mostly = { - .name = "ttl", - .family = NFPROTO_IPV4, - .match = ttl_mt, - .matchsize = sizeof(struct ipt_ttl_info), - .me = THIS_MODULE, -}; - -static int __init ttl_mt_init(void) -{ - return xt_register_match(&ttl_mt_reg); -} - -static void __exit ttl_mt_exit(void) -{ - xt_unregister_match(&ttl_mt_reg); -} - -module_init(ttl_mt_init); -module_exit(ttl_mt_exit); |