1 /* $NetBSD: getname.c,v 1.11 2006/11/28 18:45:32 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)getname.c 8.1 (Berkeley) 6/6/93"; 36 #else 37 __RCSID("$NetBSD: getname.c,v 1.11 2006/11/28 18:45:32 christos Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include "rcv.h" 42 #include "extern.h" 43 44 /* Getname / getuserid for those with hashed passwd data base). */ 45 46 /* 47 * Search the passwd file for a uid. Return name on success, NULL on failure 48 */ 49 PUBLIC const char * 50 getname(uid_t uid) 51 { 52 struct passwd *pw; 53 54 if ((pw = getpwuid(uid)) == NULL) 55 return NULL; 56 return pw->pw_name; 57 } 58 59 /* 60 * Convert the passed name to a user id and return it. Return -1 61 * on error. 62 */ 63 PUBLIC int 64 getuserid(char name[]) 65 { 66 struct passwd *pw; 67 68 if ((pw = getpwnam(name)) == NULL) 69 return -1; 70 return pw->pw_uid; 71 } 72