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authorDavid S. Miller <davem@davemloft.net>2011-03-15 13:03:27 -0700
committerDavid S. Miller <davem@davemloft.net>2011-03-15 13:03:27 -0700
commit31111c26d976ca0f298312f08e44cdb078005b03 (patch)
treeca08ef55b2ea91f9e69f8a78bb8b4363a1759b54 /net/ipv4
parent0c0217b016ba8a970a6f6ab62ad0d858f39881ca (diff)
parent2f5dc63123905a89d4260ab8ee08d19ec104db04 (diff)
downloadlwn-31111c26d976ca0f298312f08e44cdb078005b03.tar.gz
lwn-31111c26d976ca0f298312f08e44cdb078005b03.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
Conflicts: Documentation/feature-removal-schedule.txt
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter/Kconfig10
-rw-r--r--net/ipv4/netfilter/Makefile1
-rw-r--r--net/ipv4/netfilter/arp_tables.c3
-rw-r--r--net/ipv4/netfilter/ip_tables.c3
-rw-r--r--net/ipv4/netfilter/ipt_addrtype.c134
5 files changed, 6 insertions, 145 deletions
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index f926a310075d..1dfc18a03fd4 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -64,16 +64,6 @@ config IP_NF_IPTABLES
if IP_NF_IPTABLES
# The matches.
-config IP_NF_MATCH_ADDRTYPE
- tristate '"addrtype" address type match support'
- depends on NETFILTER_ADVANCED
- help
- This option allows you to match what routing thinks of an address,
- eg. UNICAST, LOCAL, BROADCAST, ...
-
- If you want to compile it as a module, say M here and read
- <file:Documentation/kbuild/modules.txt>. If unsure, say `N'.
-
config IP_NF_MATCH_AH
tristate '"ah" match support'
depends on NETFILTER_ADVANCED
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 19eb59d01037..dca2082ec683 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -48,7 +48,6 @@ obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o
obj-$(CONFIG_IP_NF_SECURITY) += iptable_security.o
# matches
-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
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index e95054c690c6..4b5d457c2d76 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -1066,6 +1066,7 @@ static int do_replace(struct net *net, const void __user *user,
/* overflow check */
if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
return -ENOMEM;
+ tmp.name[sizeof(tmp.name)-1] = 0;
newinfo = xt_alloc_table_info(tmp.size);
if (!newinfo)
@@ -1488,6 +1489,7 @@ static int compat_do_replace(struct net *net, void __user *user,
return -ENOMEM;
if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
return -ENOMEM;
+ tmp.name[sizeof(tmp.name)-1] = 0;
newinfo = xt_alloc_table_info(tmp.size);
if (!newinfo)
@@ -1740,6 +1742,7 @@ static int do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len
ret = -EFAULT;
break;
}
+ rev.name[sizeof(rev.name)-1] = 0;
try_then_request_module(xt_find_revision(NFPROTO_ARP, rev.name,
rev.revision, 1, &ret),
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index ef7d7b9680ea..b09ed0d080f9 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1262,6 +1262,7 @@ do_replace(struct net *net, const void __user *user, unsigned int len)
/* overflow check */
if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
return -ENOMEM;
+ tmp.name[sizeof(tmp.name)-1] = 0;
newinfo = xt_alloc_table_info(tmp.size);
if (!newinfo)
@@ -1807,6 +1808,7 @@ compat_do_replace(struct net *net, void __user *user, unsigned int len)
return -ENOMEM;
if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
return -ENOMEM;
+ tmp.name[sizeof(tmp.name)-1] = 0;
newinfo = xt_alloc_table_info(tmp.size);
if (!newinfo)
@@ -2036,6 +2038,7 @@ do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
ret = -EFAULT;
break;
}
+ rev.name[sizeof(rev.name)-1] = 0;
if (cmd == IPT_SO_GET_REVISION_TARGET)
target = 1;
diff --git a/net/ipv4/netfilter/ipt_addrtype.c b/net/ipv4/netfilter/ipt_addrtype.c
deleted file mode 100644
index db8bff0fb86d..000000000000
--- a/net/ipv4/netfilter/ipt_addrtype.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * iptables module to match inet_addr_type() of an ip.
- *
- * Copyright (c) 2004 Patrick McHardy <kaber@trash.net>
- * (C) 2007 Laszlo Attila Toth <panther@balabit.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.
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/ip.h>
-#include <net/route.h>
-
-#include <linux/netfilter_ipv4/ipt_addrtype.h>
-#include <linux/netfilter/x_tables.h>
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
-MODULE_DESCRIPTION("Xtables: address type match for IPv4");
-
-static inline bool match_type(struct net *net, const struct net_device *dev,
- __be32 addr, u_int16_t mask)
-{
- return !!(mask & (1 << inet_dev_addr_type(net, dev, addr)));
-}
-
-static bool
-addrtype_mt_v0(const struct sk_buff *skb, struct xt_action_param *par)
-{
- struct net *net = dev_net(par->in ? par->in : par->out);
- const struct ipt_addrtype_info *info = par->matchinfo;
- const struct iphdr *iph = ip_hdr(skb);
- bool ret = true;
-
- if (info->source)
- ret &= match_type(net, NULL, iph->saddr, info->source) ^
- info->invert_source;
- if (info->dest)
- ret &= match_type(net, NULL, iph->daddr, info->dest) ^
- info->invert_dest;
-
- return ret;
-}
-
-static bool
-addrtype_mt_v1(const struct sk_buff *skb, struct xt_action_param *par)
-{
- struct net *net = dev_net(par->in ? par->in : par->out);
- const struct ipt_addrtype_info_v1 *info = par->matchinfo;
- const struct iphdr *iph = ip_hdr(skb);
- const struct net_device *dev = NULL;
- bool ret = true;
-
- if (info->flags & IPT_ADDRTYPE_LIMIT_IFACE_IN)
- dev = par->in;
- else if (info->flags & IPT_ADDRTYPE_LIMIT_IFACE_OUT)
- dev = par->out;
-
- if (info->source)
- ret &= match_type(net, dev, iph->saddr, info->source) ^
- (info->flags & IPT_ADDRTYPE_INVERT_SOURCE);
- if (ret && info->dest)
- ret &= match_type(net, dev, iph->daddr, info->dest) ^
- !!(info->flags & IPT_ADDRTYPE_INVERT_DEST);
- return ret;
-}
-
-static int addrtype_mt_checkentry_v1(const struct xt_mtchk_param *par)
-{
- struct ipt_addrtype_info_v1 *info = par->matchinfo;
-
- if (info->flags & IPT_ADDRTYPE_LIMIT_IFACE_IN &&
- info->flags & IPT_ADDRTYPE_LIMIT_IFACE_OUT) {
- pr_info("both incoming and outgoing "
- "interface limitation cannot be selected\n");
- return -EINVAL;
- }
-
- if (par->hook_mask & ((1 << NF_INET_PRE_ROUTING) |
- (1 << NF_INET_LOCAL_IN)) &&
- info->flags & IPT_ADDRTYPE_LIMIT_IFACE_OUT) {
- pr_info("output interface limitation "
- "not valid in PREROUTING and INPUT\n");
- return -EINVAL;
- }
-
- if (par->hook_mask & ((1 << NF_INET_POST_ROUTING) |
- (1 << NF_INET_LOCAL_OUT)) &&
- info->flags & IPT_ADDRTYPE_LIMIT_IFACE_IN) {
- pr_info("input interface limitation "
- "not valid in POSTROUTING and OUTPUT\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static struct xt_match addrtype_mt_reg[] __read_mostly = {
- {
- .name = "addrtype",
- .family = NFPROTO_IPV4,
- .match = addrtype_mt_v0,
- .matchsize = sizeof(struct ipt_addrtype_info),
- .me = THIS_MODULE
- },
- {
- .name = "addrtype",
- .family = NFPROTO_IPV4,
- .revision = 1,
- .match = addrtype_mt_v1,
- .checkentry = addrtype_mt_checkentry_v1,
- .matchsize = sizeof(struct ipt_addrtype_info_v1),
- .me = THIS_MODULE
- }
-};
-
-static int __init addrtype_mt_init(void)
-{
- return xt_register_matches(addrtype_mt_reg,
- ARRAY_SIZE(addrtype_mt_reg));
-}
-
-static void __exit addrtype_mt_exit(void)
-{
- xt_unregister_matches(addrtype_mt_reg, ARRAY_SIZE(addrtype_mt_reg));
-}
-
-module_init(addrtype_mt_init);
-module_exit(addrtype_mt_exit);