getname.c revision 216370
12786Ssos/* 22786Ssos * Copyright (c) 1980, 1993 32786Ssos * The Regents of the University of California. All rights reserved. 42786Ssos * 52786Ssos * Redistribution and use in source and binary forms, with or without 62786Ssos * modification, are permitted provided that the following conditions 72786Ssos * are met: 86851Ssos * 1. Redistributions of source code must retain the above copyright 92786Ssos * notice, this list of conditions and the following disclaimer. 102786Ssos * 2. Redistributions in binary form must reproduce the above copyright 112786Ssos * notice, this list of conditions and the following disclaimer in the 122786Ssos * documentation and/or other materials provided with the distribution. 132786Ssos * 4. Neither the name of the University nor the names of its contributors 142786Ssos * may be used to endorse or promote products derived from this software 1528375Ssos * without specific prior written permission. 162786Ssos * 172786Ssos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 182786Ssos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 197420Ssos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 202786Ssos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 212786Ssos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 222786Ssos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 232786Ssos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 242786Ssos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 252786Ssos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 262786Ssos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 272786Ssos * SUCH DAMAGE. 282786Ssos */ 292786Ssos 302786Ssos#ifndef lint 312786Ssos#if 0 322786Ssosstatic char sccsid[] = "@(#)getname.c 8.1 (Berkeley) 6/6/93"; 332786Ssos#endif 342786Ssos#endif /* not lint */ 352786Ssos#include <sys/cdefs.h> 362786Ssos__FBSDID("$FreeBSD: head/usr.bin/mail/getname.c 216370 2010-12-11 08:32:16Z joel $"); 372786Ssos 382786Ssos#include "rcv.h" 392786Ssos#include <pwd.h> 402786Ssos#include "extern.h" 412786Ssos 422786Ssos/* Getname / getuserid for those with hashed passwd data base). */ 432786Ssos 442786Ssos/* 452786Ssos * Search the passwd file for a uid. Return name on success, NULL on failure. 462786Ssos */ 472786Ssoschar * 482786Ssosgetname(uid) 492786Ssos int uid; 502786Ssos{ 512786Ssos struct passwd *pw; 522786Ssos 532786Ssos if ((pw = getpwuid(uid)) == NULL) 542786Ssos return (NULL); 552786Ssos return (pw->pw_name); 562786Ssos} 572786Ssos 582786Ssos/* 592786Ssos * Convert the passed name to a user id and return it. Return -1 602786Ssos * on error. 612786Ssos */ 626851Ssosint 632786Ssosgetuserid(name) 642786Ssos char name[]; 652786Ssos{ 662786Ssos struct passwd *pw; 672786Ssos 682786Ssos if ((pw = getpwnam(name)) == NULL) 692786Ssos return (-1); 702786Ssos return (pw->pw_uid); 712786Ssos} 722786Ssos