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 1998 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30
31/*
32 * University Copyright- Copyright (c) 1982, 1986, 1988
33 * The Regents of the University of California
34 * All Rights Reserved
35 *
36 * University Acknowledgment- Portions of this document are derived from
37 * software developed by the University of California, Berkeley, and its
38 * contributors.
39 */
40
41#pragma ident	"%Z%%M%	%I%	%E% SMI"
42
43/*
44 * mailx -- a modified version of a University of California at Berkeley
45 *	mail program
46 *
47 * Code to figure out what host we are on.
48 */
49
50#include "rcv.h"
51#include "configdefs.h"
52#include <sys/utsname.h>
53#include <locale.h>
54
55#define	MAILCNFG	"/etc/mail/mailcnfg"
56
57char host[64];
58char domain[128];
59/*
60 * Initialize the network name of the current host.
61 */
62void
63inithost(void)
64{
65	register struct netmach *np;
66	struct utsname name;
67	char *fp;
68
69	xsetenv(MAILCNFG);
70	if (fp = xgetenv("CLUSTER")) {
71		nstrcpy(host, sizeof (host), fp);
72	} else {
73		uname(&name);
74		nstrcpy(host, sizeof (host), name.nodename);
75	}
76	snprintf(domain, sizeof (domain), "%s%s", host, maildomain());
77	for (np = netmach; np->nt_machine != 0; np++)
78		if (strcmp(np->nt_machine, EMPTY) == 0)
79			break;
80	if (np->nt_machine == 0) {
81		printf(
82		    gettext("Cannot find empty slot for dynamic host entry\n"));
83		exit(1);
84	}
85	np->nt_machine = host;
86	np++;
87	np->nt_machine = domain;
88	if (debug) fprintf(stderr, "host '%s', domain '%s'\n", host, domain);
89}
90