diff options
| -rw-r--r-- | src/nlmsg.c | 5 |
1 files 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, |