1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate #include "talk_ctl.h"
43*0Sstevel@tonic-gate #include <locale.h>
44*0Sstevel@tonic-gate
45*0Sstevel@tonic-gate #ifdef SYSV
46*0Sstevel@tonic-gate #define bcmp(a, b, c) memcmp((a), (b), (c))
47*0Sstevel@tonic-gate #define bcopy(a, b, c) memcpy((b), (a), (c))
48*0Sstevel@tonic-gate #endif /* SYSV */
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate struct hostent *gethostbyname();
51*0Sstevel@tonic-gate struct servent *getservbyname();
52*0Sstevel@tonic-gate
53*0Sstevel@tonic-gate void
get_addrs(my_machine_name,rem_machine_name)54*0Sstevel@tonic-gate get_addrs(my_machine_name, rem_machine_name)
55*0Sstevel@tonic-gate char *my_machine_name;
56*0Sstevel@tonic-gate char *rem_machine_name;
57*0Sstevel@tonic-gate {
58*0Sstevel@tonic-gate struct hostent *hp;
59*0Sstevel@tonic-gate struct servent *sp;
60*0Sstevel@tonic-gate
61*0Sstevel@tonic-gate msg.pid = getpid();
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate /* look up the address of the local host */
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate hp = gethostbyname(my_machine_name);
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate if (hp == (struct hostent *) 0) {
68*0Sstevel@tonic-gate fprintf(stderr,
69*0Sstevel@tonic-gate gettext("This machine doesn't exist. Boy, am I confused!\n"));
70*0Sstevel@tonic-gate exit(1);
71*0Sstevel@tonic-gate }
72*0Sstevel@tonic-gate
73*0Sstevel@tonic-gate if (hp->h_addrtype != AF_INET) {
74*0Sstevel@tonic-gate fprintf(stderr,
75*0Sstevel@tonic-gate gettext("Protocol mix up with local machine address\n"));
76*0Sstevel@tonic-gate exit(1);
77*0Sstevel@tonic-gate }
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate bcopy(hp->h_addr, (char *)&my_machine_addr, hp->h_length);
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gate /* if on the same machine, then simply copy */
82*0Sstevel@tonic-gate
83*0Sstevel@tonic-gate if (bcmp((char *)&rem_machine_name, (char *)&my_machine_name,
84*0Sstevel@tonic-gate sizeof (rem_machine_name)) == 0) {
85*0Sstevel@tonic-gate bcopy((char *)&my_machine_addr, (char *)&rem_machine_addr,
86*0Sstevel@tonic-gate sizeof (rem_machine_name));
87*0Sstevel@tonic-gate } else {
88*0Sstevel@tonic-gate
89*0Sstevel@tonic-gate if ((rem_machine_addr.s_addr =
90*0Sstevel@tonic-gate (unsigned long)inet_addr(rem_machine_name)) == -1) {
91*0Sstevel@tonic-gate
92*0Sstevel@tonic-gate /* look up the address of the recipient's machine */
93*0Sstevel@tonic-gate
94*0Sstevel@tonic-gate hp = gethostbyname(rem_machine_name);
95*0Sstevel@tonic-gate
96*0Sstevel@tonic-gate if (hp == (struct hostent *) 0) {
97*0Sstevel@tonic-gate fprintf(stderr,
98*0Sstevel@tonic-gate gettext("%s is an unknown host\n"), rem_machine_name);
99*0Sstevel@tonic-gate exit(1);
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate
102*0Sstevel@tonic-gate if (hp->h_addrtype != AF_INET) {
103*0Sstevel@tonic-gate fprintf(stderr,
104*0Sstevel@tonic-gate gettext("Protocol mix up with remote machine address\n"));
105*0Sstevel@tonic-gate exit(1);
106*0Sstevel@tonic-gate }
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate bcopy(hp->h_addr, (char *) &rem_machine_addr, hp->h_length);
109*0Sstevel@tonic-gate }
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate
112*0Sstevel@tonic-gate
113*0Sstevel@tonic-gate /* find the daemon portal */
114*0Sstevel@tonic-gate
115*0Sstevel@tonic-gate #ifdef NTALK
116*0Sstevel@tonic-gate sp = getservbyname("ntalk", "udp");
117*0Sstevel@tonic-gate #else
118*0Sstevel@tonic-gate sp = getservbyname("talk", "udp");
119*0Sstevel@tonic-gate #endif
120*0Sstevel@tonic-gate
121*0Sstevel@tonic-gate if (strcmp(sp->s_proto, "udp") != 0) {
122*0Sstevel@tonic-gate fprintf(stderr, gettext("Protocol mix up with talk daemon\n"));
123*0Sstevel@tonic-gate exit(1);
124*0Sstevel@tonic-gate }
125*0Sstevel@tonic-gate
126*0Sstevel@tonic-gate if (sp == 0) {
127*0Sstevel@tonic-gate p_error(
128*0Sstevel@tonic-gate gettext("This machine doesn't support a tcp talk daemon"));
129*0Sstevel@tonic-gate exit(1);
130*0Sstevel@tonic-gate }
131*0Sstevel@tonic-gate
132*0Sstevel@tonic-gate daemon_port = sp->s_port;
133*0Sstevel@tonic-gate }
134