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 1995 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 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 #include "uucp.h"
34
35 /*
36 * get the uucp name
37 * return:
38 * none
39 */
40 void
uucpname(name)41 uucpname(name)
42 register char *name;
43 {
44 char *s;
45 char NameBuf[MAXBASENAME + 1];
46 FILE *NameFile;
47
48 NameBuf[0] = '\0';
49 if ((NameFile = fopen(SYSNAMEFILE, "r")) != NULL) {
50 if (fscanf(NameFile, "%14s", NameBuf) != 1) {
51 (void) fprintf(stderr,
52 gettext("No system name specified in %s\n"),
53 SYSNAMEFILE);
54 cleanup(-1);
55 }
56 s = NameBuf;
57 (void) fclose(NameFile);
58 } else {
59 #ifdef BSD4_2
60 char NameBuf[MAXBASENAME + 1];
61
62 gethostname(NameBuf, MAXBASENAME);
63 /* strip off any domain name part */
64 if ((s = index(NameBuf, '.')) != NULL)
65 *s = '\0';
66 s = NameBuf;
67 s[MAXBASENAME] = '\0';
68 #else /* !BSD4_2 */
69 #ifdef UNAME
70 struct utsname utsn;
71
72 uname(&utsn);
73 s = utsn.nodename;
74 #else /* !UNAME */
75 char NameBuf[MAXBASENAME + 1], *strchr();
76 FILE *NameFile;
77
78 s = MYNAME;
79 NameBuf[0] = '\0';
80
81 if ((NameFile = fopen("/etc/whoami", "r")) != NULL) {
82 /* etc/whoami wins */
83 (void) fgets(NameBuf, MAXBASENAME + 1, NameFile);
84 (void) fclose(NameFile);
85 NameBuf[MAXBASENAME] = '\0';
86 if (NameBuf[0] != '\0') {
87 if ((s = strchr(NameBuf, '\n')) != NULL)
88 *s = '\0';
89 s = NameBuf;
90 }
91 }
92 #endif /* UNAME */
93 #endif /* BSD4_2 */
94 }
95
96 (void) strncpy(name, s, MAXBASENAME);
97 name[MAXBASENAME] = '\0';
98 /* strip off any domain name from the host name */
99 if ((s = strchr(name, '.')) != NULL)
100 *s = '\0';
101 return;
102 }
103