diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/netfilter/Kconfig | 10 | ||||
-rw-r--r-- | net/ipv4/netfilter/Makefile | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/ipt_iprange.c | 77 |
3 files changed, 0 insertions, 88 deletions
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 10ca307b8499..9a077cb24798 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -57,16 +57,6 @@ config IP_NF_IPTABLES To compile it as a module, choose M here. If unsure, say N. # The matches. -config IP_NF_MATCH_IPRANGE - tristate '"iprange" match support' - depends on IP_NF_IPTABLES - depends on NETFILTER_ADVANCED - help - This option makes possible to match IP addresses against IP address - ranges. - - To compile it as a module, choose M here. If unsure, say N. - config IP_NF_MATCH_RECENT tristate '"recent" match support' depends on IP_NF_IPTABLES diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile index fd7d4a5b436c..0c7dc78a62e9 100644 --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -44,7 +44,6 @@ obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o obj-$(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-$(CONFIG_IP_NF_MATCH_IPRANGE) += ipt_iprange.o obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o diff --git a/net/ipv4/netfilter/ipt_iprange.c b/net/ipv4/netfilter/ipt_iprange.c deleted file mode 100644 index 9a2aba816c9b..000000000000 --- a/net/ipv4/netfilter/ipt_iprange.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * iptables module to match IP address ranges - * - * (C) 2003 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> - * - * 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/module.h> -#include <linux/skbuff.h> -#include <linux/ip.h> -#include <linux/netfilter/x_tables.h> -#include <linux/netfilter_ipv4/ipt_iprange.h> - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); -MODULE_DESCRIPTION("Xtables: arbitrary IPv4 range matching"); - -static bool -iprange_mt(const struct sk_buff *skb, const struct net_device *in, - const struct net_device *out, const struct xt_match *match, - const void *matchinfo, int offset, unsigned int protoff, - bool *hotdrop) -{ - const struct ipt_iprange_info *info = matchinfo; - const struct iphdr *iph = ip_hdr(skb); - - if (info->flags & IPRANGE_SRC) { - if ((ntohl(iph->saddr) < ntohl(info->src.min_ip) - || ntohl(iph->saddr) > ntohl(info->src.max_ip)) - ^ !!(info->flags & IPRANGE_SRC_INV)) { - pr_debug("src IP %u.%u.%u.%u NOT in range %s" - "%u.%u.%u.%u-%u.%u.%u.%u\n", - NIPQUAD(iph->saddr), - info->flags & IPRANGE_SRC_INV ? "(INV) " : "", - NIPQUAD(info->src.min_ip), - NIPQUAD(info->src.max_ip)); - return false; - } - } - if (info->flags & IPRANGE_DST) { - if ((ntohl(iph->daddr) < ntohl(info->dst.min_ip) - || ntohl(iph->daddr) > ntohl(info->dst.max_ip)) - ^ !!(info->flags & IPRANGE_DST_INV)) { - pr_debug("dst IP %u.%u.%u.%u NOT in range %s" - "%u.%u.%u.%u-%u.%u.%u.%u\n", - NIPQUAD(iph->daddr), - info->flags & IPRANGE_DST_INV ? "(INV) " : "", - NIPQUAD(info->dst.min_ip), - NIPQUAD(info->dst.max_ip)); - return false; - } - } - return true; -} - -static struct xt_match iprange_mt_reg __read_mostly = { - .name = "iprange", - .family = AF_INET, - .match = iprange_mt, - .matchsize = sizeof(struct ipt_iprange_info), - .me = THIS_MODULE -}; - -static int __init iprange_mt_init(void) -{ - return xt_register_match(&iprange_mt_reg); -} - -static void __exit iprange_mt_exit(void) -{ - xt_unregister_match(&iprange_mt_reg); -} - -module_init(iprange_mt_init); -module_exit(iprange_mt_exit); |