/* $NetBSD: ctl.c,v 1.5 2009/07/04 04:29:54 dholland Exp $ */ /* * Copyright (c) 1983-2003, Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * + Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * + Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * + Neither the name of the University of California, San Francisco nor * the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "bsd.h" #if defined(TALK_43) || defined(TALK_42) #include #ifndef lint #if 0 static char sccsid[] = "@(#)ctl.c 5.2 (Berkeley) 3/13/86"; #else __RCSID("$NetBSD: ctl.c,v 1.5 2009/07/04 04:29:54 dholland Exp $"); #endif #endif /* not lint */ /* * This file handles haggling with the various talk daemons to * get a socket to talk to. sockt is opened and connected in * the progress */ #include "hunt.h" #include "talk_ctl.h" struct sockaddr_in daemon_addr = { AF_INET }; struct sockaddr_in ctl_addr = { AF_INET }; /* inet addresses of the two machines */ struct in_addr my_machine_addr; struct in_addr his_machine_addr; u_short daemon_port; /* port number of the talk daemon */ int ctl_sockt; CTL_MSG msg; /* open the ctl socket */ void open_ctl(void) { int length; ctl_addr.sin_port = 0; ctl_addr.sin_addr = my_machine_addr; ctl_sockt = socket(AF_INET, SOCK_DGRAM, 0); if (ctl_sockt <= 0) p_error("Bad socket"); if (bind(ctl_sockt, &ctl_addr, sizeof(ctl_addr)) != 0) p_error("Couldn't bind to control socket"); length = sizeof(ctl_addr); if (getsockname(ctl_sockt, (struct sockaddr *) &ctl_addr, &length) < 0) p_error("Bad address for ctl socket"); } #endif