X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/aafcea0542d73fdaf32cbfa3eb3908aebf524717..b9fa24dba2ddfb044869f2a6bc9a8d46bd857cb0:/target/linux/generic/patches-2.6.39/610-netfilter_match_bypass_default_checks.patch?ds=inline

diff --git a/target/linux/generic/patches-2.6.39/610-netfilter_match_bypass_default_checks.patch b/target/linux/generic/patches-2.6.39/610-netfilter_match_bypass_default_checks.patch
index ac0fd151c..c834beedd 100644
--- a/target/linux/generic/patches-2.6.39/610-netfilter_match_bypass_default_checks.patch
+++ b/target/linux/generic/patches-2.6.39/610-netfilter_match_bypass_default_checks.patch
@@ -20,7 +20,7 @@
  	if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
  		  IPT_INV_SRCIP) ||
  	    FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
-@@ -143,6 +146,26 @@ ip_packet_match(const struct iphdr *ip,
+@@ -143,6 +146,29 @@ ip_packet_match(const struct iphdr *ip,
  	return true;
  }
  
@@ -38,6 +38,9 @@
 +	if (memcmp(ip->outiface_mask, iface_mask, IFNAMSIZ) != 0)
 +		return;
 +
++	if (ip->smsk.s_addr || ip->dmsk.s_addr)
++		return;
++
 +	if (ip->proto)
 +		return;
 +
@@ -47,7 +50,7 @@
  static bool
  ip_checkentry(const struct ipt_ip *ip)
  {
-@@ -566,7 +589,7 @@ static void cleanup_match(struct xt_entr
+@@ -566,7 +592,7 @@ static void cleanup_match(struct xt_entr
  }
  
  static int
@@ -56,7 +59,7 @@
  {
  	const struct xt_entry_target *t;
  
-@@ -575,6 +598,8 @@ check_entry(const struct ipt_entry *e, c
+@@ -575,6 +601,8 @@ check_entry(const struct ipt_entry *e, c
  		return -EINVAL;
  	}
  
@@ -65,7 +68,7 @@
  	if (e->target_offset + sizeof(struct xt_entry_target) >
  	    e->next_offset)
  		return -EINVAL;
-@@ -936,6 +961,7 @@ copy_entries_to_user(unsigned int total_
+@@ -936,6 +964,7 @@ copy_entries_to_user(unsigned int total_
  	const struct xt_table_info *private = table->private;
  	int ret = 0;
  	const void *loc_cpu_entry;
@@ -73,10 +76,11 @@
  
  	counters = alloc_counters(table);
  	if (IS_ERR(counters))
-@@ -967,6 +993,14 @@ copy_entries_to_user(unsigned int total_
+@@ -966,6 +995,14 @@ copy_entries_to_user(unsigned int total_
+ 			ret = -EFAULT;
  			goto free_counters;
  		}
- 
++
 +		flags = e->ip.flags & IPT_F_MASK;
 +		if (copy_to_user(userptr + off
 +				 + offsetof(struct ipt_entry, ip.flags),
@@ -84,7 +88,6 @@
 +			ret = -EFAULT;
 +			goto free_counters;
 +		}
-+
+ 
  		for (i = sizeof(struct ipt_entry);
  		     i < e->target_offset;
- 		     i += m->u.match_size) {