From 08cfcb785b7163a62c01632dbe9f0650a9754e62 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 12 Jul 2005 13:58:27 +0200 Subject: [PATCH] revert nf_reset change [NETFILTER]: Revert nf_reset change Revert the nf_reset change that caused so much trouble, drop conntrack references manually before packets are queued to packet sockets. Adapted for 2.6.12 by Daniel Drake Signed-off-by: Phil Oester Signed-off-by: Patrick McHardy Signed-off-by: Chris Wright Signed-off-by: Greg Kroah-Hartman --- net/ipv4/ip_output.c | 3 --- net/ipv4/netfilter/ip_conntrack_standalone.c | 7 +++++++ net/packet/af_packet.c | 6 ++++++ 3 files changed, 13 insertions(+), 3 deletions(-) diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 760dc8238d65..03189967dc96 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -111,7 +111,6 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb) #ifdef CONFIG_NETFILTER_DEBUG nf_debug_ip_loopback_xmit(newskb); #endif - nf_reset(newskb); netif_rx(newskb); return 0; } @@ -196,8 +195,6 @@ static inline int ip_finish_output2(struct sk_buff *skb) nf_debug_ip_finish_output2(skb); #endif /*CONFIG_NETFILTER_DEBUG*/ - nf_reset(skb); - if (hh) { int hh_alen; diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c index bc59f7b39805..38f71fc21c7a 100644 --- a/net/ipv4/netfilter/ip_conntrack_standalone.c +++ b/net/ipv4/netfilter/ip_conntrack_standalone.c @@ -432,6 +432,13 @@ static unsigned int ip_conntrack_defrag(unsigned int hooknum, const struct net_device *out, int (*okfn)(struct sk_buff *)) { +#if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE) + /* Previously seen (loopback)? Ignore. Do this before + fragment check. */ + if ((*pskb)->nfct) + return NF_ACCEPT; +#endif + /* Gather fragments. */ if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) { *pskb = ip_ct_gather_frags(*pskb, diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 0269616e75a1..c9d5980aa4de 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -274,6 +274,9 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct dst_release(skb->dst); skb->dst = NULL; + /* drop conntrack reference */ + nf_reset(skb); + spkt = (struct sockaddr_pkt*)skb->cb; skb_push(skb, skb->data-skb->mac.raw); @@ -517,6 +520,9 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packe dst_release(skb->dst); skb->dst = NULL; + /* drop conntrack reference */ + nf_reset(skb); + spin_lock(&sk->sk_receive_queue.lock); po->stats.tp_packets++; __skb_queue_tail(&sk->sk_receive_queue, skb); -- cgit v1.2.3