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 /*
42 * mailx -- a modified version of a University of California at Berkeley
43 * mail program
44 *
45 * Code to figure out what host we are on.
46 */
47
48 #include "rcv.h"
49 #include "configdefs.h"
50 #include <sys/utsname.h>
51 #include <locale.h>
52
53 #define MAILCNFG "/etc/mail/mailcnfg"
54
55 char host[64];
56 char domain[128];
57 /*
58 * Initialize the network name of the current host.
59 */
60 void
inithost(void)61 inithost(void)
62 {
63 register struct netmach *np;
64 struct utsname name;
65 char *fp;
66
67 xsetenv(MAILCNFG);
68 if (fp = xgetenv("CLUSTER")) {
69 nstrcpy(host, sizeof (host), fp);
70 } else {
71 uname(&name);
72 nstrcpy(host, sizeof (host), name.nodename);
73 }
74 snprintf(domain, sizeof (domain), "%s%s", host, maildomain());
75 for (np = netmach; np->nt_machine != 0; np++)
76 if (strcmp(np->nt_machine, EMPTY) == 0)
77 break;
78 if (np->nt_machine == 0) {
79 printf(
80 gettext("Cannot find empty slot for dynamic host entry\n"));
81 exit(1);
82 }
83 np->nt_machine = host;
84 np++;
85 np->nt_machine = domain;
86 if (debug) fprintf(stderr, "host '%s', domain '%s'\n", host, domain);
87 }
88