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/*
* 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"
#include "talk_ctl.h"
#include <locale.h>
#ifdef SYSV
#define bcmp(a, b, c) memcmp((a), (b), (c))
#define bcopy(a, b, c) memcpy((b), (a), (c))
#endif /* SYSV */
struct hostent *gethostbyname();
struct servent *getservbyname();
void
get_addrs(my_machine_name, rem_machine_name)
char *my_machine_name;
char *rem_machine_name;
{
struct hostent *hp;
struct servent *sp;
msg.pid = getpid();
/* look up the address of the local host */
hp = gethostbyname(my_machine_name);
if (hp == (struct hostent *) 0) {
fprintf(stderr,
gettext("This machine doesn't exist. Boy, am I confused!\n"));
exit(1);
}
if (hp->h_addrtype != AF_INET) {
fprintf(stderr,
gettext("Protocol mix up with local machine address\n"));
exit(1);
}
bcopy(hp->h_addr, (char *)&my_machine_addr, hp->h_length);
/* if on the same machine, then simply copy */
if (bcmp((char *)&rem_machine_name, (char *)&my_machine_name,
sizeof (rem_machine_name)) == 0) {
bcopy((char *)&my_machine_addr, (char *)&rem_machine_addr,
sizeof (rem_machine_name));
} else {
if ((rem_machine_addr.s_addr =
(unsigned long)inet_addr(rem_machine_name)) == -1) {
/* look up the address of the recipient's machine */
hp = gethostbyname(rem_machine_name);
if (hp == (struct hostent *) 0) {
fprintf(stderr,
gettext("%s is an unknown host\n"), rem_machine_name);
exit(1);
}
if (hp->h_addrtype != AF_INET) {
fprintf(stderr,
gettext("Protocol mix up with remote machine address\n"));
exit(1);
}
bcopy(hp->h_addr, (char *) &rem_machine_addr, hp->h_length);
}
}
/* find the daemon portal */
#ifdef NTALK
sp = getservbyname("ntalk", "udp");
#else
sp = getservbyname("talk", "udp");
#endif
if (strcmp(sp->s_proto, "udp") != 0) {
fprintf(stderr, gettext("Protocol mix up with talk daemon\n"));
exit(1);
}
if (sp == 0) {
p_error(
gettext("This machine doesn't support a tcp talk daemon"));
exit(1);
}
daemon_port = sp->s_port;
}
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