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 2005 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 #include <sys/param.h>
31 #include "mail.h"
32
33 /*
34 * islocal (char *user, uid_t *puid) - see if user exists on this system
35 */
36 int
islocal(char * user,uid_t * puid)37 islocal(char *user, uid_t *puid)
38 {
39 char fname[MAXPATHLEN];
40 struct stat statb;
41 struct passwd *pwd_ptr;
42
43 /* Check for existing mailfile first */
44 (void) snprintf(fname, sizeof (fname), "%s%s", maildir, user);
45 if (stat(fname, &statb) == 0) {
46 *puid = statb.st_uid;
47 return (TRUE);
48 }
49
50 /* If no existing mailfile, check passwd file */
51 setpwent();
52 if ((pwd_ptr = getpwnam(user)) == NULL) {
53 return (FALSE);
54 }
55 *puid = pwd_ptr->pw_uid;
56 return (TRUE);
57 }
58