summaryrefslogtreecommitdiff
path: root/usr/src/cmd/cmd-inet/usr.bin/talk/ctl.c
blob: 0aa6dd53db4fb01d1e28502f54e7a81eff699f8c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * University Copyright- Copyright (c) 1982, 1986, 1988
 * The Regents of the University of California
 * All Rights Reserved
 *
 * University Acknowledgment- Portions of this document are derived from
 * software developed by the University of California, Berkeley, and its
 * contributors.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*
 * 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 "talk_ctl.h"
#include <libintl.h>

struct sockaddr_in daemon_addr = { AF_INET };
struct sockaddr_in ctl_addr = { AF_INET };
struct sockaddr_in my_addr = { AF_INET };

/* inet addresses of the two machines */
struct in_addr my_machine_addr;
struct in_addr rem_machine_addr;

u_short daemon_port;	/* port number of the talk daemon */

int ctl_sockt;
int sockt;
int invitation_waiting = 0;

CTL_MSG msg;

void
open_sockt()
{
	socklen_t length;

	my_addr.sin_addr = my_machine_addr;
	my_addr.sin_port = 0;

	sockt = socket(AF_INET, SOCK_STREAM, 0);

	if (sockt <= 0) {
		p_error(gettext("Bad socket"));
	}

	if (bind(sockt, (struct sockaddr *)&my_addr, sizeof (my_addr)) != 0) {
		p_error(gettext("Binding local socket"));
	}

	length = (socklen_t) sizeof (my_addr);

	if (getsockname(sockt, (struct sockaddr *)&my_addr, &length) == -1) {
		p_error(gettext("Bad address for socket"));
	}
}

	/* open the ctl socket */

void
open_ctl()
{
	socklen_t 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(gettext("Bad socket"));
	}

	if (bind(ctl_sockt, (struct sockaddr *)&ctl_addr, sizeof (ctl_addr))
		!= 0) {
		p_error(gettext("Couldn't bind to control socket"));
	}

	length = (socklen_t) sizeof (ctl_addr);
	if (getsockname(ctl_sockt, (struct sockaddr *)&ctl_addr, &length)
		== -1) {
		p_error(gettext("Bad address for ctl socket"));
	}
}

/* print_addr is a debug print routine */

void
print_addr(addr)
struct sockaddr_in addr;
{
	int i;

	printf("addr = %x, port = %o, family = %o zero = ",
		addr.sin_addr, (int)addr.sin_port, addr.sin_family);

	for (i = 0; i < 8; i++) {
		printf("%o ", (int)addr.sin_zero[i]);
	}
	putchar('\n');
}