Patchwork netfilter 02/29: netns-aware ipt_addrtype

login
register
mail settings
Submitter Patrick McHardy
Date Nov. 27, 2008, 4:15 p.m.
Message ID <20081127161505.13891.13844.sendpatchset@x2.localnet>
Download mbox | patch
Permalink /patch/11243/
State Accepted
Delegated to: David Miller
Headers show

Comments

Patrick McHardy - Nov. 27, 2008, 4:15 p.m.
commit d4ec52bae739409b2372fea30dba0e7a8d6b9181
Author: Alexey Dobriyan <adobriyan@gmail.com>
Date:   Tue Nov 4 14:21:48 2008 +0100

    netfilter: netns-aware ipt_addrtype
    
    Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
    Signed-off-by: Patrick McHardy <kaber@trash.net>

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch

diff --git a/net/ipv4/netfilter/ipt_addrtype.c b/net/ipv4/netfilter/ipt_addrtype.c
index 88762f0..3b216be 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;
 }