On 2022-11-16, at 19:42:01 +0200, Shockedder wrote: > I'm running with a slightly older version of "libnetfilter_queue" > (1.0.2). > > I have installed both the standard and devel packages, along with the > same for "libnfnetlink" I can't for the life of me find the definition > of "struct pkt_buff" in any of the source or headers. https://git.netfilter.org/libnetfilter_queue/tree/src/internal.h?h=libnetfilter_queue-1.0.2 The public API for `struct pkg_buff` is: https://git.netfilter.org/libnetfilter_queue/tree/include/libnetfilter_queue/pktbuff.h?h=libnetfilter_queue-1.0.2 > Due to that I'm getting errors when trying to compile accessing > structure members: > > "etf_nq.c:78:93: error: dereferencing pointer to incomplete type ‘struct pkt_buff’ > fprintf(stdout,"[PACKET] UDP pB->th pointer val=%p pktb_tail pointer val=%p\n",pktBuff->transport_header,pktb_tail(pktBuff));" Try: fprintf(stdout,"[PACKET] UDP pB->th pointer val=%p pktb_tail pointer val=%p\n", (void *) pktb_transport_header(pktBuff), pktb_tail(pktBuff));" > > And also having issues accessing the payload for UDP (null pointer > exception). > > What am I missing ? Does something else also needs to be installed ? J.
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