[Bug 963] New: nfq_udp_get_payload and nfq_udp_get_payload_len return wrong results

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=963

           Summary: nfq_udp_get_payload and nfq_udp_get_payload_len return
                    wrong results
           Product: libnetfilter_queue
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: libnetfilter_queue
        AssignedTo: netfilter-buglog at lists.netfilter.org
        ReportedBy: lantw44 at gmail.com
   Estimated Hours: 0.0


nfq_udp_get_payload:
  udph->len is the length of packet, not the length of the UDP header.
  UDP header is a constant, which equals sizeof(struct udphdr).

nfq_udp_get_payload_len:
  pktb->tail - pktb->transport_header is the length of entire UDP packet,
  not the length of UDP packet payload.

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