Updated:
src/nlmsg.c: Update nfq_nlmsg_verdict_put_pkt() sample code to use pktb_len()
as recommended in src/extra/pktbuff.c, pktb_len() doco
Signed-off-by: Duncan Roe <duncan_roe@xxxxxxxxxxxxxxx>
---
src/nlmsg.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/src/nlmsg.c b/src/nlmsg.c
index c40a9e4..c950110 100644
--- a/src/nlmsg.c
+++ b/src/nlmsg.c
@@ -90,14 +90,13 @@ EXPORT_SYMBOL
pktb = pktb_alloc(AF_INET, payload, plen, 255);
// (decide that this packet needs mangling)
nfq_udp_mangle_ipv4(pktb, match_offset, match_len, rep_data, rep_len);
- // Update IP Datagram length
- plen += rep_len - match_len;
+ // nfq_udp_mangle_ipv4 updates packet length, no need to track locally
// Eventually nfq_send_verdict (line 39) gets called
// The received packet may or may not have been modified.
// Add this code before nfq_nlmsg_verdict_put call:
if (pktb_mangled(pktb))
- nfq_nlmsg_verdict_put_pkt(nlh, pktb_data(pktb), plen);
+ nfq_nlmsg_verdict_put_pkt(nlh, pktb_data(pktb), pktb_len(pktb));
\endverbatim
*/
void nfq_nlmsg_verdict_put_pkt(struct nlmsghdr *nlh, const void *pkt,
--
2.14.5
