vipw.c revision 96201
11553Srgrimes/* 21553Srgrimes * Copyright (c) 1987, 1993, 1994 31553Srgrimes * The Regents of the University of California. All rights reserved. 496201Sdes * Copyright (c) 2002 Networks Associates Technology, Inc. 596201Sdes * All rights reserved. 61553Srgrimes * 796201Sdes * Portions of this software were developed for the FreeBSD Project by 896201Sdes * ThinkSec AS and NAI Labs, the Security Research Division of Network 996201Sdes * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 1096201Sdes * ("CBOSS"), as part of the DARPA CHATS research program. 1196201Sdes * 121553Srgrimes * Redistribution and use in source and binary forms, with or without 131553Srgrimes * modification, are permitted provided that the following conditions 141553Srgrimes * are met: 151553Srgrimes * 1. Redistributions of source code must retain the above copyright 161553Srgrimes * notice, this list of conditions and the following disclaimer. 171553Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 181553Srgrimes * notice, this list of conditions and the following disclaimer in the 191553Srgrimes * documentation and/or other materials provided with the distribution. 201553Srgrimes * 3. All advertising materials mentioning features or use of this software 211553Srgrimes * must display the following acknowledgement: 221553Srgrimes * This product includes software developed by the University of 231553Srgrimes * California, Berkeley and its contributors. 241553Srgrimes * 4. Neither the name of the University nor the names of its contributors 251553Srgrimes * may be used to endorse or promote products derived from this software 261553Srgrimes * without specific prior written permission. 271553Srgrimes * 281553Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 291553Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 301553Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 311553Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 321553Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 331553Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 341553Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 351553Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 361553Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 371553Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 381553Srgrimes * SUCH DAMAGE. 391553Srgrimes */ 401553Srgrimes 411553Srgrimes#ifndef lint 4230765Scharnierstatic const char copyright[] = 431553Srgrimes"@(#) Copyright (c) 1987, 1993, 1994\n\ 441553Srgrimes The Regents of the University of California. All rights reserved.\n"; 451553Srgrimes#endif /* not lint */ 461553Srgrimes 471553Srgrimes#ifndef lint 4830765Scharnier#if 0 491553Srgrimesstatic char sccsid[] = "@(#)vipw.c 8.3 (Berkeley) 4/2/94"; 5030765Scharnier#endif 5130765Scharnierstatic const char rcsid[] = 5250479Speter "$FreeBSD: head/usr.sbin/vipw/vipw.c 96201 2002-05-08 00:54:29Z des $"; 531553Srgrimes#endif /* not lint */ 541553Srgrimes 551553Srgrimes#include <sys/types.h> 561553Srgrimes#include <sys/stat.h> 571553Srgrimes 581553Srgrimes#include <err.h> 591553Srgrimes#include <pwd.h> 601553Srgrimes#include <stdio.h> 611553Srgrimes#include <stdlib.h> 621553Srgrimes#include <string.h> 631553Srgrimes#include <unistd.h> 641553Srgrimes 6596201Sdes#include <libutil.h> /* must be after pwd.h */ 661553Srgrimes 6790233Sdesstatic void usage(void); 681553Srgrimes 691553Srgrimesint 7090233Sdesmain(int argc, char *argv[]) 711553Srgrimes{ 7296201Sdes const char *passwd_dir = NULL; 7396201Sdes int ch, pfd, tfd; 7496201Sdes char *line; 7596201Sdes size_t len; 761553Srgrimes 7748232Ssheldonh while ((ch = getopt(argc, argv, "d:")) != -1) 781553Srgrimes switch (ch) { 7948232Ssheldonh case 'd': 8096201Sdes passwd_dir = optarg; 8148232Ssheldonh break; 821553Srgrimes case '?': 831553Srgrimes default: 841553Srgrimes usage(); 851553Srgrimes } 868857Srgrimes 871553Srgrimes argc -= optind; 881553Srgrimes argv += optind; 891553Srgrimes 901553Srgrimes if (argc != 0) 911553Srgrimes usage(); 921553Srgrimes 9396201Sdes if (pw_init(passwd_dir, NULL) == -1) 9496201Sdes err(1, "pw_init()"); 9596201Sdes if ((pfd = pw_lock()) == -1) { 9696201Sdes pw_fini(); 9796201Sdes err(1, "pw_lock()"); 9896201Sdes } 9996201Sdes if ((tfd = pw_tmp(pfd)) == -1) { 10096201Sdes pw_fini(); 10196201Sdes err(1, "pw_tmp()"); 10296201Sdes } 1031553Srgrimes (void)close(tfd); 10448241Spb /* Force umask for partial writes made in the edit phase */ 10548241Spb (void)umask(077); 1061553Srgrimes 1071553Srgrimes for (;;) { 10896201Sdes switch (pw_edit(NULL)) { 10996201Sdes case -1: 11096201Sdes pw_fini(); 11196201Sdes err(1, "pw_edit()"); 11296201Sdes case 0: 11396201Sdes pw_fini(); 11496201Sdes errx(0, "no changes made"); 11596201Sdes default: 11696201Sdes break; 1171553Srgrimes } 11896201Sdes if (pw_mkdb(NULL) == 0) { 11996201Sdes pw_fini(); 12096201Sdes errx(0, "password list updated"); 12196201Sdes } 12296201Sdes printf("re-edit the password file? "); 12396201Sdes fflush(stdout); 12496201Sdes if ((line = fgetln(stdin, &len)) == NULL) { 12596201Sdes pw_fini(); 12696201Sdes err(1, "fgetln()"); 12796201Sdes } 12896201Sdes if (len > 0 && (*line == 'N' || *line == 'n')) 1291553Srgrimes break; 1301553Srgrimes } 13196201Sdes pw_fini(); 1321553Srgrimes exit(0); 1331553Srgrimes} 1341553Srgrimes 13590233Sdesstatic void 13690233Sdesusage(void) 1371553Srgrimes{ 1381553Srgrimes 13996201Sdes (void)fprintf(stderr, "usage: vipw [-d directory]\n"); 1401553Srgrimes exit(1); 1411553Srgrimes} 142