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 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