hunt/huntd/ctl.c

   1 /*      $NetBSD: ctl.c,v 1.2 1997/10/10 16:32:54 lukem Exp $    */
   2 /*
   3  * Copyright (c) 1983 Regents of the University of California.
   4  * All rights reserved.  The Berkeley software License Agreement
   5  * specifies the terms and conditions for redistribution.
   6  */
   7
   8 #include "bsd.h"
   9
  10 #if     defined(TALK_43) || defined(TALK_42)
  11
  12 #include <sys/cdefs.h>
  13 #ifndef lint
  14 #if 0
  15 static char sccsid[] = "@(#)ctl.c       5.2 (Berkeley) 3/13/86";
  16 #else
  17 __RCSID("$NetBSD: ctl.c,v 1.2 1997/10/10 16:32:54 lukem Exp $");
  18 #endif
  19 #endif /* not lint */
  20
  21 /*
  22  * This file handles haggling with the various talk daemons to
  23  * get a socket to talk to. sockt is opened and connected in
  24  * the progress
  25  */
  26
  27 #include "hunt.h"
  28 #include "talk_ctl.h"
  29
  30 struct  sockaddr_in daemon_addr = { AF_INET };
  31 struct  sockaddr_in ctl_addr = { AF_INET };
  32
  33         /* inet addresses of the two machines */
  34 struct  in_addr my_machine_addr;
  35 struct  in_addr his_machine_addr;
  36
  37 u_short daemon_port;    /* port number of the talk daemon */
  38
  39 int     ctl_sockt;
  40
  41 CTL_MSG msg;
  42
  43 /* open the ctl socket */
  44 void
  45 open_ctl()
  46 {
  47         int length;
  48
  49         ctl_addr.sin_port = 0;
  50         ctl_addr.sin_addr = my_machine_addr;
  51         ctl_sockt = socket(AF_INET, SOCK_DGRAM, 0);
  52         if (ctl_sockt <= 0)
  53                 p_error("Bad socket");
  54         if (bind(ctl_sockt, (struct sockaddr *)&ctl_addr, sizeof(ctl_addr)) != 0)
  55                 p_error("Couldn't bind to control socket");
  56         length = sizeof(ctl_addr);
  57         if (getsockname(ctl_sockt, (struct sockaddr *) &ctl_addr, &length) < 0)
  58                 p_error("Bad address for ctl socket");
  59 }
  60 #endif