xref: /illumos-gate/usr/src/cmd/bnu/versys.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
32 
33 #include "uucp.h"
34 
35 extern int getsysline();
36 extern void sysreset();
37 
38 /*
39  * verify system name
40  * input:
41  *	name	-> system name (char name[NAMESIZE])
42  * returns:
43  *	0	-> success
44  *	FAIL	-> failure
45  */
46 int
47 versys(name)
48 char *name;
49 {
50 	register char *iptr;
51 	char line[BUFSIZ];
52 	extern char *aliasFind();
53 	char	*prev;
54 
55 	if (name == 0 || *name == 0)
56 		return(FAIL);
57 
58 	prev = _uu_setlocale(LC_ALL, "C");
59 	if ((iptr = aliasFind(name)) != NULL) {
60 		/* overwrite the original name with the real name */
61 		strncpy(name, iptr, MAXBASENAME);
62 		name[MAXBASENAME] = '\0';
63 	}
64 
65 	if (EQUALS(name, Myname)) {
66 		(void) _uu_resetlocale(LC_ALL, prev);
67 		return(0);
68 	}
69 
70 	while (getsysline(line, sizeof(line))) {
71 		if((line[0] == '#') || (line[0] == ' ') || (line[0] == '\t') ||
72 			(line[0] == '\n'))
73 			continue;
74 
75 		if ((iptr=strpbrk(line, " \t")) == NULL)
76 		    continue;	/* why? */
77 		*iptr = '\0';
78 		if (EQUALS(name, line)) {
79 			sysreset();
80 			(void) _uu_resetlocale(LC_ALL, prev);
81 			return(0);
82 		}
83 	}
84 	sysreset();
85 	(void) _uu_resetlocale(LC_ALL, prev);
86 	return(FAIL);
87 }
88