diff options
author | Duncan Roe <duncan_roe@optusnet.com.au> | 2020-01-08 08:42:24 +1100 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-01-10 12:18:16 +0100 |
commit | 833afb11adf0aefb46b6a021a49c3ecf6b278ab9 (patch) | |
tree | 5af7d71af7afa8adaaf14ecbc76a1e67109d5fe1 /src/extra/tcp.c | |
parent | ee8bf8f2e9178986ce49c5ebef5545d2d4fb3ad8 (diff) |
src: Fix value returned by nfq_tcp_get_payload_len()
Remember to subtract the TCP header length.
Signed-off-by: Duncan Roe <duncan_roe@optusnet.com.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/extra/tcp.c')
-rw-r--r-- | src/extra/tcp.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); } /** |