From f72e25a897c7edda03a0e1f767925d98772684da Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Mon, 14 Jan 2008 23:42:47 -0800 Subject: [PATCH] [NETFILTER]: Rename ipt_iprange to xt_iprange This patch moves ipt_iprange to xt_iprange, in preparation for adding IPv6 support to xt_iprange. Signed-off-by: Jan Engelhardt Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- include/linux/netfilter/Kbuild | 1 + include/linux/netfilter/xt_iprange.h | 17 ++++++++++++ include/linux/netfilter_ipv4/ipt_iprange.h | 6 +---- net/ipv4/netfilter/Kconfig | 10 ------- net/ipv4/netfilter/Makefile | 1 - net/netfilter/Kconfig | 11 ++++++++ net/netfilter/Makefile | 1 + .../ipt_iprange.c => netfilter/xt_iprange.c} | 27 +++++++++---------- 8 files changed, 44 insertions(+), 30 deletions(-) create mode 100644 include/linux/netfilter/xt_iprange.h rename net/{ipv4/netfilter/ipt_iprange.c => netfilter/xt_iprange.c} (75%) diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild index ac9e6429f747..91fef0cae42f 100644 --- a/include/linux/netfilter/Kbuild +++ b/include/linux/netfilter/Kbuild @@ -21,6 +21,7 @@ header-y += xt_dccp.h header-y += xt_dscp.h header-y += xt_esp.h header-y += xt_hashlimit.h +header-y += xt_iprange.h header-y += xt_helper.h header-y += xt_length.h header-y += xt_limit.h diff --git a/include/linux/netfilter/xt_iprange.h b/include/linux/netfilter/xt_iprange.h new file mode 100644 index 000000000000..a4299c7d3680 --- /dev/null +++ b/include/linux/netfilter/xt_iprange.h @@ -0,0 +1,17 @@ +#ifndef _LINUX_NETFILTER_XT_IPRANGE_H +#define _LINUX_NETFILTER_XT_IPRANGE_H 1 + +enum { + IPRANGE_SRC = 1 << 0, /* match source IP address */ + IPRANGE_DST = 1 << 1, /* match destination IP address */ + IPRANGE_SRC_INV = 1 << 4, /* negate the condition */ + IPRANGE_DST_INV = 1 << 5, /* -"- */ +}; + +struct xt_iprange_mtinfo { + union nf_inet_addr src_min, src_max; + union nf_inet_addr dst_min, dst_max; + u_int8_t flags; +}; + +#endif /* _LINUX_NETFILTER_XT_IPRANGE_H */ diff --git a/include/linux/netfilter_ipv4/ipt_iprange.h b/include/linux/netfilter_ipv4/ipt_iprange.h index a92fefc3c7ec..5f1aebde4d2f 100644 --- a/include/linux/netfilter_ipv4/ipt_iprange.h +++ b/include/linux/netfilter_ipv4/ipt_iprange.h @@ -2,11 +2,7 @@ #define _IPT_IPRANGE_H #include - -#define IPRANGE_SRC 0x01 /* Match source IP address */ -#define IPRANGE_DST 0x02 /* Match destination IP address */ -#define IPRANGE_SRC_INV 0x10 /* Negate the condition */ -#define IPRANGE_DST_INV 0x20 /* Negate the condition */ +#include struct ipt_iprange { /* Inclusive: network order. */ 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-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 79d71437e310..daf5b881064d 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -567,6 +567,17 @@ config NETFILTER_XT_MATCH_HELPER To compile it as a module, choose M here. If unsure, say Y. +config NETFILTER_XT_MATCH_IPRANGE + tristate '"iprange" address range match support' + depends on NETFILTER_XTABLES + depends on NETFILTER_ADVANCED + ---help--- + This option adds a "iprange" match, which allows you to match based on + an IP address range. (Normal iptables only matches on single addresses + with an optional mask.) + + If unsure, say M. + config NETFILTER_XT_MATCH_LENGTH tristate '"length" match support' depends on NETFILTER_XTABLES diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile index 3b9ea8fb3a07..c910caee0d4f 100644 --- a/net/netfilter/Makefile +++ b/net/netfilter/Makefile @@ -63,6 +63,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o +obj-$(CONFIG_NETFILTER_XT_MATCH_IPRANGE) += xt_iprange.o obj-$(CONFIG_NETFILTER_XT_MATCH_LENGTH) += xt_length.o obj-$(CONFIG_NETFILTER_XT_MATCH_LIMIT) += xt_limit.o obj-$(CONFIG_NETFILTER_XT_MATCH_MAC) += xt_mac.o diff --git a/net/ipv4/netfilter/ipt_iprange.c b/net/netfilter/xt_iprange.c similarity index 75% rename from net/ipv4/netfilter/ipt_iprange.c rename to net/netfilter/xt_iprange.c index 9a2aba816c9b..c57a6cf8a081 100644 --- a/net/ipv4/netfilter/ipt_iprange.c +++ b/net/netfilter/xt_iprange.c @@ -1,11 +1,11 @@ /* - * iptables module to match IP address ranges + * xt_iprange - Netfilter module to match IP address ranges * - * (C) 2003 Jozsef Kadlecsik + * (C) 2003 Jozsef Kadlecsik * - * 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. + * 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 #include @@ -13,15 +13,11 @@ #include #include -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jozsef Kadlecsik "); -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) +iprange_mt_v0(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); @@ -58,7 +54,7 @@ iprange_mt(const struct sk_buff *skb, const struct net_device *in, static struct xt_match iprange_mt_reg __read_mostly = { .name = "iprange", .family = AF_INET, - .match = iprange_mt, + .match = iprange_mt_v0, .matchsize = sizeof(struct ipt_iprange_info), .me = THIS_MODULE }; @@ -75,3 +71,6 @@ static void __exit iprange_mt_exit(void) module_init(iprange_mt_init); module_exit(iprange_mt_exit); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jozsef Kadlecsik "); +MODULE_DESCRIPTION("Xtables: arbitrary IPv4 range matching"); -- GitLab