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authorDavid S. Miller <davem@davemloft.net>2008-11-28 02:19:15 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-28 02:19:15 -0800
commited77a89c30fa03dcb234a84ddea710b3fb7b62da (patch)
tree69f3e2c2bbf2fdd4f742e891441f01307d1d1f49 /net/ipv4
parent475ad8e2172d7f8b73af5532a8dad265b51339c2 (diff)
parentd6e8cc6cc7ac77b0f9118f78c453a2e834e62709 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
Conflicts: net/netfilter/nf_conntrack_netlink.c
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter.c3
-rw-r--r--net/ipv4/netfilter/arptable_filter.c12
-rw-r--r--net/ipv4/netfilter/ipt_addrtype.c16
-rw-r--r--net/ipv4/netfilter/nf_nat_rule.c23
4 files changed, 13 insertions, 41 deletions
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index c99eecf89da5..fdf6811c31a2 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -125,6 +125,7 @@ struct ip_rt_info {
__be32 daddr;
__be32 saddr;
u_int8_t tos;
+ u_int32_t mark;
};
static void nf_ip_saveroute(const struct sk_buff *skb,
@@ -138,6 +139,7 @@ static void nf_ip_saveroute(const struct sk_buff *skb,
rt_info->tos = iph->tos;
rt_info->daddr = iph->daddr;
rt_info->saddr = iph->saddr;
+ rt_info->mark = skb->mark;
}
}
@@ -150,6 +152,7 @@ static int nf_ip_reroute(struct sk_buff *skb,
const struct iphdr *iph = ip_hdr(skb);
if (!(iph->tos == rt_info->tos
+ && skb->mark == rt_info->mark
&& iph->daddr == rt_info->daddr
&& iph->saddr == rt_info->saddr))
return ip_route_me_harder(skb, RTN_UNSPEC);
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index bee3d117661a..e091187e864f 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -75,16 +75,6 @@ static unsigned int arpt_out_hook(unsigned int hook,
dev_net(out)->ipv4.arptable_filter);
}
-static unsigned int arpt_forward_hook(unsigned int hook,
- struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int (*okfn)(struct sk_buff *))
-{
- return arpt_do_table(skb, hook, in, out,
- dev_net(in)->ipv4.arptable_filter);
-}
-
static struct nf_hook_ops arpt_ops[] __read_mostly = {
{
.hook = arpt_in_hook,
@@ -101,7 +91,7 @@ static struct nf_hook_ops arpt_ops[] __read_mostly = {
.priority = NF_IP_PRI_FILTER,
},
{
- .hook = arpt_forward_hook,
+ .hook = arpt_in_hook,
.owner = THIS_MODULE,
.pf = NFPROTO_ARP,
.hooknum = NF_ARP_FORWARD,
diff --git a/net/ipv4/netfilter/ipt_addrtype.c b/net/ipv4/netfilter/ipt_addrtype.c
index 88762f02779d..3b216be3bc9f 100644
--- a/net/ipv4/netfilter/ipt_addrtype.c
+++ b/net/ipv4/netfilter/ipt_addrtype.c
@@ -23,24 +23,25 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_DESCRIPTION("Xtables: address type match for IPv4");
-static inline bool match_type(const struct net_device *dev, __be32 addr,
- u_int16_t mask)
+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(&init_net, dev, addr)));
+ return !!(mask & (1 << inet_dev_addr_type(net, dev, addr)));
}
static bool
addrtype_mt_v0(const struct sk_buff *skb, const struct xt_match_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(NULL, iph->saddr, info->source) ^
+ ret &= match_type(net, NULL, iph->saddr, info->source) ^
info->invert_source;
if (info->dest)
- ret &= match_type(NULL, iph->daddr, info->dest) ^
+ ret &= match_type(net, NULL, iph->daddr, info->dest) ^
info->invert_dest;
return ret;
@@ -49,6 +50,7 @@ addrtype_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
static bool
addrtype_mt_v1(const struct sk_buff *skb, const struct xt_match_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;
@@ -60,10 +62,10 @@ addrtype_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par)
dev = par->out;
if (info->source)
- ret &= match_type(dev, iph->saddr, info->source) ^
+ ret &= match_type(net, dev, iph->saddr, info->source) ^
(info->flags & IPT_ADDRTYPE_INVERT_SOURCE);
if (ret && info->dest)
- ret &= match_type(dev, iph->daddr, info->dest) ^
+ ret &= match_type(net, dev, iph->daddr, info->dest) ^
!!(info->flags & IPT_ADDRTYPE_INVERT_DEST);
return ret;
}
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index a4f1c3479e23..cf95469ab9f1 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -86,24 +86,6 @@ ipt_snat_target(struct sk_buff *skb, const struct xt_target_param *par)
return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_SRC);
}
-/* Before 2.6.11 we did implicit source NAT if required. Warn about change. */
-static void warn_if_extra_mangle(struct net *net, __be32 dstip, __be32 srcip)
-{
- static int warned = 0;
- struct flowi fl = { .nl_u = { .ip4_u = { .daddr = dstip } } };
- struct rtable *rt;
-
- if (ip_route_output_key(net, &rt, &fl) != 0)
- return;
-
- if (rt->rt_src != srcip && !warned) {
- printk("NAT: no longer support implicit source local NAT\n");
- printk("NAT: packet src %pI4 -> dst %pI4\n", &srcip, &dstip);
- warned = 1;
- }
- ip_rt_put(rt);
-}
-
static unsigned int
ipt_dnat_target(struct sk_buff *skb, const struct xt_target_param *par)
{
@@ -119,11 +101,6 @@ ipt_dnat_target(struct sk_buff *skb, const struct xt_target_param *par)
/* Connection must be valid and new. */
NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED));
- if (par->hooknum == NF_INET_LOCAL_OUT &&
- mr->range[0].flags & IP_NAT_RANGE_MAP_IPS)
- warn_if_extra_mangle(dev_net(par->out), ip_hdr(skb)->daddr,
- mr->range[0].min_ip);
-
return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_DST);
}