diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/netfilter/ip_nat_standalone.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c index 7c3f7d380240..ab1f88fa21ec 100644 --- a/net/ipv4/netfilter/ip_nat_standalone.c +++ b/net/ipv4/netfilter/ip_nat_standalone.c | |||
@@ -200,20 +200,14 @@ ip_nat_in(unsigned int hooknum, | |||
200 | const struct net_device *out, | 200 | const struct net_device *out, |
201 | int (*okfn)(struct sk_buff *)) | 201 | int (*okfn)(struct sk_buff *)) |
202 | { | 202 | { |
203 | struct ip_conntrack *ct; | ||
204 | enum ip_conntrack_info ctinfo; | ||
205 | unsigned int ret; | 203 | unsigned int ret; |
204 | u_int32_t daddr = (*pskb)->nh.iph->daddr; | ||
206 | 205 | ||
207 | ret = ip_nat_fn(hooknum, pskb, in, out, okfn); | 206 | ret = ip_nat_fn(hooknum, pskb, in, out, okfn); |
208 | if (ret != NF_DROP && ret != NF_STOLEN | 207 | if (ret != NF_DROP && ret != NF_STOLEN |
209 | && (ct = ip_conntrack_get(*pskb, &ctinfo)) != NULL) { | 208 | && daddr != (*pskb)->nh.iph->daddr) { |
210 | enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); | 209 | dst_release((*pskb)->dst); |
211 | 210 | (*pskb)->dst = NULL; | |
212 | if (ct->tuplehash[dir].tuple.dst.ip != | ||
213 | ct->tuplehash[!dir].tuple.src.ip) { | ||
214 | dst_release((*pskb)->dst); | ||
215 | (*pskb)->dst = NULL; | ||
216 | } | ||
217 | } | 211 | } |
218 | return ret; | 212 | return ret; |
219 | } | 213 | } |
@@ -276,7 +270,7 @@ ip_nat_local_fn(unsigned int hooknum, | |||
276 | ct->tuplehash[!dir].tuple.src.ip | 270 | ct->tuplehash[!dir].tuple.src.ip |
277 | #ifdef CONFIG_XFRM | 271 | #ifdef CONFIG_XFRM |
278 | || ct->tuplehash[dir].tuple.dst.u.all != | 272 | || ct->tuplehash[dir].tuple.dst.u.all != |
279 | ct->tuplehash[dir].tuple.src.u.all | 273 | ct->tuplehash[!dir].tuple.src.u.all |
280 | #endif | 274 | #endif |
281 | ) | 275 | ) |
282 | return ip_route_me_harder(pskb) == 0 ? ret : NF_DROP; | 276 | return ip_route_me_harder(pskb) == 0 ? ret : NF_DROP; |