xref: /titanic_44/usr/src/cmd/acct/lib/namtouid.c (revision b7f45089ccbe01bab3d7c7377b49d80d2ae18a69)
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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.7	*/
27 /*
28  *	namtouid converts login names to uids
29  *	maintains ulist for speed only
30  */
31 #include <stdio.h>
32 #include <sys/types.h>
33 #include "acctdef.h"
34 #include <pwd.h>
35 static	usize;
36 static	struct ulist {
37 	char	uname[NSZ];
38 	uid_t	uuid;
39 } ul[A_USIZE];
40 char	ntmp[NSZ+1];
41 
42 char	*strncpy();
43 
44 uid_t
45 namtouid(name)
46 char	name[NSZ];
47 {
48 	register struct ulist *up;
49 	register uid_t tuid;
50 	struct passwd *getpwnam(), *pp;
51 
52 	for (up = ul; up < &ul[usize]; up++)
53 		if (strncmp(name, up->uname, NSZ) == 0)
54 			return(up->uuid);
55 	strncpy(ntmp, name, NSZ);
56 	(void) setpwent();
57 	if ((pp = getpwnam(ntmp)) == NULL)
58 		tuid = -1;
59 	else {
60 		tuid = pp->pw_uid;
61 		if (usize < A_USIZE) {
62 			CPYN(up->uname, name);
63 			up->uuid = tuid;
64 			usize++;
65 		}
66 	}
67 	return(tuid);
68 }
69