vipw.c revision 256281
1132451Sroberto/* 2132451Sroberto * Copyright (c) 1987, 1993, 1994 3290001Sglebius * The Regents of the University of California. All rights reserved. 4290001Sglebius * Copyright (c) 2002 Networks Associates Technology, Inc. 5290001Sglebius * All rights reserved. 6290001Sglebius * 7290001Sglebius * Portions of this software were developed for the FreeBSD Project by 8290001Sglebius * ThinkSec AS and NAI Labs, the Security Research Division of Network 9290001Sglebius * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 10290001Sglebius * ("CBOSS"), as part of the DARPA CHATS research program. 11290001Sglebius * 12290001Sglebius * Redistribution and use in source and binary forms, with or without 13290001Sglebius * modification, are permitted provided that the following conditions 14290001Sglebius * are met: 15290001Sglebius * 1. Redistributions of source code must retain the above copyright 16290001Sglebius * notice, this list of conditions and the following disclaimer. 17290001Sglebius * 2. Redistributions in binary form must reproduce the above copyright 18290001Sglebius * notice, this list of conditions and the following disclaimer in the 19290001Sglebius * documentation and/or other materials provided with the distribution. 20290001Sglebius * 4. Neither the name of the University nor the names of its contributors 21290001Sglebius * may be used to endorse or promote products derived from this software 22290001Sglebius * without specific prior written permission. 23290001Sglebius * 24290001Sglebius * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25290001Sglebius * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26290001Sglebius * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27290001Sglebius * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28290001Sglebius * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29290001Sglebius * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30290001Sglebius * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31290001Sglebius * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32290001Sglebius * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33290001Sglebius * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34290001Sglebius * SUCH DAMAGE. 35290001Sglebius */ 36290001Sglebius 37290001Sglebius#if 0 38290001Sglebius#ifndef lint 39290001Sglebiusstatic const char copyright[] = 40290001Sglebius"@(#) Copyright (c) 1987, 1993, 1994\n\ 41290001Sglebius The Regents of the University of California. All rights reserved.\n"; 42290001Sglebius#endif /* not lint */ 43290001Sglebius 44290001Sglebius#ifndef lint 45290001Sglebiusstatic char sccsid[] = "@(#)vipw.c 8.3 (Berkeley) 4/2/94"; 46290001Sglebius#endif /* not lint */ 47290001Sglebius#endif 48290001Sglebius#include <sys/cdefs.h> 49290001Sglebius__FBSDID("$FreeBSD: stable/10/usr.sbin/vipw/vipw.c 133249 2004-08-07 04:28:56Z imp $"); 50290001Sglebius 51290001Sglebius#include <sys/types.h> 52290001Sglebius#include <sys/stat.h> 53290001Sglebius 54290001Sglebius#include <err.h> 55290001Sglebius#include <pwd.h> 56290001Sglebius#include <stdio.h> 57290001Sglebius#include <stdlib.h> 58290001Sglebius#include <string.h> 59290001Sglebius#include <unistd.h> 60290001Sglebius 61290001Sglebius#include <libutil.h> /* must be after pwd.h */ 62290001Sglebius 63290001Sglebiusstatic void usage(void); 64290001Sglebius 65290001Sglebiusint 66290001Sglebiusmain(int argc, char *argv[]) 67290001Sglebius{ 68290001Sglebius const char *passwd_dir = NULL; 69290001Sglebius int ch, pfd, tfd; 70290001Sglebius char *line; 71290001Sglebius size_t len; 72290001Sglebius 73290001Sglebius while ((ch = getopt(argc, argv, "d:")) != -1) 74290001Sglebius switch (ch) { 75290001Sglebius case 'd': 76290001Sglebius passwd_dir = optarg; 77290001Sglebius break; 78290001Sglebius case '?': 79290001Sglebius default: 80290001Sglebius usage(); 81290001Sglebius } 82290001Sglebius 83290001Sglebius argc -= optind; 84290001Sglebius argv += optind; 85290001Sglebius 86290001Sglebius if (argc != 0) 87290001Sglebius usage(); 88290001Sglebius 89290001Sglebius if (pw_init(passwd_dir, NULL) == -1) 90290001Sglebius err(1, "pw_init()"); 91290001Sglebius if ((pfd = pw_lock()) == -1) { 92290001Sglebius pw_fini(); 93290001Sglebius err(1, "pw_lock()"); 94290001Sglebius } 95290001Sglebius if ((tfd = pw_tmp(pfd)) == -1) { 96290001Sglebius pw_fini(); 97290001Sglebius err(1, "pw_tmp()"); 98290001Sglebius } 99290001Sglebius (void)close(tfd); 100290001Sglebius /* Force umask for partial writes made in the edit phase */ 101290001Sglebius (void)umask(077); 102290001Sglebius 103290001Sglebius for (;;) { 104290001Sglebius switch (pw_edit(0)) { 105290001Sglebius case -1: 106290001Sglebius pw_fini(); 107290001Sglebius err(1, "pw_edit()"); 108290001Sglebius case 0: 109290001Sglebius pw_fini(); 110290001Sglebius errx(0, "no changes made"); 111290001Sglebius default: 112290001Sglebius break; 113290001Sglebius } 114290001Sglebius if (pw_mkdb(NULL) == 0) { 115290001Sglebius pw_fini(); 116290001Sglebius errx(0, "password list updated"); 117290001Sglebius } 118290001Sglebius printf("re-edit the password file? "); 119290001Sglebius fflush(stdout); 120290001Sglebius if ((line = fgetln(stdin, &len)) == NULL) { 121290001Sglebius pw_fini(); 122290001Sglebius err(1, "fgetln()"); 123290001Sglebius } 124290001Sglebius if (len > 0 && (*line == 'N' || *line == 'n')) 125290001Sglebius break; 126290001Sglebius } 127290001Sglebius pw_fini(); 128290001Sglebius exit(0); 129290001Sglebius} 130290001Sglebius 131290001Sglebiusstatic void 132290001Sglebiususage(void) 133290001Sglebius{ 134290001Sglebius 135290001Sglebius (void)fprintf(stderr, "usage: vipw [-d directory]\n"); 136290001Sglebius exit(1); 137290001Sglebius} 138290001Sglebius