getname.c revision 216564
11590Srgrimes/* 21590Srgrimes * Copyright (c) 1980, 1993 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 4. Neither the name of the University nor the names of its contributors 141590Srgrimes * may be used to endorse or promote products derived from this software 151590Srgrimes * without specific prior written permission. 161590Srgrimes * 171590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271590Srgrimes * SUCH DAMAGE. 281590Srgrimes */ 291590Srgrimes 301590Srgrimes#ifndef lint 3174769Smikeh#if 0 321590Srgrimesstatic char sccsid[] = "@(#)getname.c 8.1 (Berkeley) 6/6/93"; 3374769Smikeh#endif 341590Srgrimes#endif /* not lint */ 3599112Sobrien#include <sys/cdefs.h> 3699112Sobrien__FBSDID("$FreeBSD: head/usr.bin/mail/getname.c 216564 2010-12-19 16:25:23Z charnier $"); 371590Srgrimes 381590Srgrimes#include "rcv.h" 391590Srgrimes#include <pwd.h> 401590Srgrimes#include "extern.h" 411590Srgrimes 421590Srgrimes/* Getname / getuserid for those with hashed passwd data base). */ 431590Srgrimes 441590Srgrimes/* 4577274Smikeh * Search the passwd file for a uid. Return name on success, NULL on failure. 461590Srgrimes */ 471590Srgrimeschar * 48216564Scharniergetname(int uid) 491590Srgrimes{ 501590Srgrimes struct passwd *pw; 511590Srgrimes 521590Srgrimes if ((pw = getpwuid(uid)) == NULL) 5377274Smikeh return (NULL); 5477274Smikeh return (pw->pw_name); 551590Srgrimes} 561590Srgrimes 571590Srgrimes/* 581590Srgrimes * Convert the passed name to a user id and return it. Return -1 591590Srgrimes * on error. 601590Srgrimes */ 611590Srgrimesint 62216564Scharniergetuserid(char name[]) 631590Srgrimes{ 641590Srgrimes struct passwd *pw; 651590Srgrimes 661590Srgrimes if ((pw = getpwnam(name)) == NULL) 6777274Smikeh return (-1); 6877274Smikeh return (pw->pw_uid); 691590Srgrimes} 70