utils/nfqnl_test.c

   1
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <unistd.h>
   5 #include <netinet/in.h>
   6
   7 #include <libnfnetlink_queue/libnfnetlink_queue.h>
   8
   9 int main(int argc, char **argv)
  10 {
  11         struct nfqnl_handle h;
  12         struct nfqnl_q_handle qh;
  13         int rv;
  14         char buf[4096];
  15
  16         rv = nfqnl_open(&h);
  17         if (rv < 0)
  18                 exit(rv);
  19
  20         nfqnl_bind_pf(&h, AF_INET);
  21         nfqnl_create_queue(&h, &qh, 0);
  22         nfqnl_set_mode(&qh, NFQNL_COPY_PACKET, 0xffff);
  23
  24         while (recv(h.nfnlh.fd, buf, sizeof(buf), 0) > 0) {
  25                 printf("pkt received\n");
  26         }
  27
  28         nfqnl_destroy_queue(&qh);
  29         nfqnl_unbind_pf(&h, AF_INET);
  30
  31         nfqnl_close(&h);
  32
  33         exit(0);
  34 }