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/*
Copyright (C) 1995-2025 Free Software Foundation, Inc.
This file is part of GNU Inetutils.
GNU Inetutils is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
GNU Inetutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see `http://www.gnu.org/licenses/'. */
/*
* Copyright (c) 1983, 1993
* The 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*/
/*
* 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 <config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <protocols/talkd.h>
#include <netinet/in.h>
#include "talk.h"
#include "talk_ctl.h"
struct sockaddr_in daemon_addr;
struct sockaddr_in ctl_addr;
struct sockaddr_in my_addr;
/* inet addresses of the two machines */
struct in_addr my_machine_addr;
struct in_addr his_machine_addr;
unsigned short daemon_port; /* port number of the talk daemon */
int ctl_sockt;
int sockt;
int invitation_waiting = 0;
CTL_MSG msg;
int
open_sockt (void)
{
socklen_t length;
my_addr.sin_family = AF_INET;
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
my_addr.sin_len = sizeof (my_addr);
#endif
my_addr.sin_addr = my_machine_addr;
my_addr.sin_port = 0;
sockt = socket (AF_INET, SOCK_STREAM, 0);
if (sockt <= 0)
p_error ("Bad socket");
if (bind (sockt, (struct sockaddr *) &my_addr, sizeof (my_addr)) != 0)
p_error ("Binding local socket");
length = sizeof (my_addr);
if (getsockname (sockt, (struct sockaddr *) &my_addr, &length) == -1)
p_error ("Bad address for socket");
return 0;
}
/* open the ctl socket */
int
open_ctl (void)
{
socklen_t length;
ctl_addr.sin_family = AF_INET;
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
ctl_addr.sin_len = sizeof (ctl_addr);
#endif
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, (struct sockaddr *) &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) == -1)
p_error ("Bad address for ctl socket");
return 0;
}
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