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authorDuncan Roe <duncan_roe@optusnet.com.au>2020-01-08 08:42:24 +1100
committerPablo Neira Ayuso <pablo@netfilter.org>2020-01-10 12:18:16 +0100
commit833afb11adf0aefb46b6a021a49c3ecf6b278ab9 (patch)
tree5af7d71af7afa8adaaf14ecbc76a1e67109d5fe1 /src/extra
parentee8bf8f2e9178986ce49c5ebef5545d2d4fb3ad8 (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')
-rw-r--r--src/extra/tcp.c2
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);
}
/**