From 833afb11adf0aefb46b6a021a49c3ecf6b278ab9 Mon Sep 17 00:00:00 2001 From: Duncan Roe Date: Wed, 8 Jan 2020 08:42:24 +1100 Subject: src: Fix value returned by nfq_tcp_get_payload_len() Remember to subtract the TCP header length. Signed-off-by: Duncan Roe Signed-off-by: Pablo Neira Ayuso --- src/extra/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/extra') diff --git a/src/extra/tcp.c b/src/extra/tcp.c index be400c5..cca20e7 100644 --- a/src/extra/tcp.c +++ b/src/extra/tcp.c @@ -83,7 +83,7 @@ void *nfq_tcp_get_payload(struct tcphdr *tcph, struct pkt_buff *pktb) EXPORT_SYMBOL unsigned int nfq_tcp_get_payload_len(struct tcphdr *tcph, struct pkt_buff *pktb) { - return pktb->tail - pktb->transport_header; + return pktb->tail - pktb->transport_header - (tcph->doff * 4); } /** -- cgit v1.2.3