From 417e02bf4280f001464ca55a36e9b3acad94eca4 Mon Sep 17 00:00:00 2001 From: Richard Weinberger Date: Thu, 1 Mar 2012 11:39:15 +0000 Subject: [PATCH] netfilter: xt_LOG: fix bogus extra layer-4 logging information In 16059b5 netfilter: merge ipt_LOG and ip6_LOG into xt_LOG, we have merged ipt_LOG and ip6t_LOG. However: IN=wlan0 OUT= MAC=xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx SRC=213.150.61.61 DST=192.168.1.133 LEN=40 TOS=0x00 PREC=0x00 TTL=117 ID=10539 DF PROTO=TCP SPT=80 DPT=49013 WINDOW=0 RES=0x00 ACK RST URGP=0 PROTO=UDPLITE SPT=80 DPT=49013 LEN=45843 PROTO=ICMP TYPE=0 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Several missing break in the code led to including bogus layer-4 information. This patch fixes this problem. Signed-off-by: Richard Weinberger Signed-off-by: Pablo Neira Ayuso --- net/netfilter/xt_LOG.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/netfilter/xt_LOG.c b/net/netfilter/xt_LOG.c index 1595608a892d..f99f8dee238b 100644 --- a/net/netfilter/xt_LOG.c +++ b/net/netfilter/xt_LOG.c @@ -216,12 +216,14 @@ static void dump_ipv4_packet(struct sbuff *m, ntohs(ih->frag_off) & IP_OFFSET, iphoff+ih->ihl*4, logflags)) return; + break; case IPPROTO_UDP: case IPPROTO_UDPLITE: if (dump_udp_header(m, skb, ih->protocol, ntohs(ih->frag_off) & IP_OFFSET, iphoff+ih->ihl*4)) return; + break; case IPPROTO_ICMP: { struct icmphdr _icmph; const struct icmphdr *ich; @@ -649,10 +651,12 @@ static void dump_ipv6_packet(struct sbuff *m, if (dump_tcp_header(m, skb, currenthdr, fragment, ptr, logflags)) return; + break; case IPPROTO_UDP: case IPPROTO_UDPLITE: if (dump_udp_header(m, skb, currenthdr, fragment, ptr)) return; + break; case IPPROTO_ICMPV6: { struct icmp6hdr _icmp6h; const struct icmp6hdr *ic; -- 2.39.5