1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 /*
41 * This file handles haggling with the various talk daemons to
42 * get a socket to talk to. sockt is opened and connected in
43 * the progress
44 */
45
46 #include "talk_ctl.h"
47 #include <libintl.h>
48
49 struct sockaddr_in daemon_addr = { AF_INET };
50 struct sockaddr_in ctl_addr = { AF_INET };
51 struct sockaddr_in my_addr = { AF_INET };
52
53 /* inet addresses of the two machines */
54 struct in_addr my_machine_addr;
55 struct in_addr rem_machine_addr;
56
57 u_short daemon_port; /* port number of the talk daemon */
58
59 int ctl_sockt;
60 int sockt;
61 int invitation_waiting = 0;
62
63 CTL_MSG msg;
64
65 void
open_sockt()66 open_sockt()
67 {
68 socklen_t length;
69
70 my_addr.sin_addr = my_machine_addr;
71 my_addr.sin_port = 0;
72
73 sockt = socket(AF_INET, SOCK_STREAM, 0);
74
75 if (sockt <= 0) {
76 p_error(gettext("Bad socket"));
77 }
78
79 if (bind(sockt, (struct sockaddr *)&my_addr, sizeof (my_addr)) != 0) {
80 p_error(gettext("Binding local socket"));
81 }
82
83 length = (socklen_t) sizeof (my_addr);
84
85 if (getsockname(sockt, (struct sockaddr *)&my_addr, &length) == -1) {
86 p_error(gettext("Bad address for socket"));
87 }
88 }
89
90 /* open the ctl socket */
91
92 void
open_ctl()93 open_ctl()
94 {
95 socklen_t length;
96
97 ctl_addr.sin_port = 0;
98 ctl_addr.sin_addr = my_machine_addr;
99
100 ctl_sockt = socket(AF_INET, SOCK_DGRAM, 0);
101
102 if (ctl_sockt <= 0) {
103 p_error(gettext("Bad socket"));
104 }
105
106 if (bind(ctl_sockt, (struct sockaddr *)&ctl_addr, sizeof (ctl_addr))
107 != 0) {
108 p_error(gettext("Couldn't bind to control socket"));
109 }
110
111 length = (socklen_t) sizeof (ctl_addr);
112 if (getsockname(ctl_sockt, (struct sockaddr *)&ctl_addr, &length)
113 == -1) {
114 p_error(gettext("Bad address for ctl socket"));
115 }
116 }
117
118 /* print_addr is a debug print routine */
119
120 void
print_addr(addr)121 print_addr(addr)
122 struct sockaddr_in addr;
123 {
124 int i;
125
126 printf("addr = %x, port = %o, family = %o zero = ",
127 addr.sin_addr, (int)addr.sin_port, addr.sin_family);
128
129 for (i = 0; i < 8; i++) {
130 printf("%o ", (int)addr.sin_zero[i]);
131 }
132 putchar('\n');
133 }
134