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138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* Portions of this software were developed for the FreeBSD Project by
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* ThinkSec AS and NAI Labs, the Security Research Division of Network
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* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
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* ("CBOSS"), as part of the DARPA CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1987, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)vipw.c 8.3 (Berkeley) 4/2/94";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <libutil.h> /* must be after pwd.h */
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static void usage(void);
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int
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main(int argc, char *argv[])
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{
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const char *passwd_dir = NULL;
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int ch, pfd, tfd;
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char *line;
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size_t len;
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while ((ch = getopt(argc, argv, "d:")) != -1)
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switch (ch) {
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case 'd':
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passwd_dir = optarg;
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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usage();
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if (pw_init(passwd_dir, NULL) == -1)
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err(1, "pw_init()");
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if ((pfd = pw_lock()) == -1) {
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pw_fini();
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err(1, "pw_lock()");
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}
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if ((tfd = pw_tmp(pfd)) == -1) {
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pw_fini();
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err(1, "pw_tmp()");
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}
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(void)close(tfd);
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/* Force umask for partial writes made in the edit phase */
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(void)umask(077);
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for (;;) {
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switch (pw_edit(0)) {
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case -1:
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pw_fini();
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err(1, "pw_edit()");
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case 0:
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pw_fini();
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errx(0, "no changes made");
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default:
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break;
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}
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if (pw_mkdb(NULL) == 0) {
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pw_fini();
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errx(0, "password list updated");
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}
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printf("re-edit the password file? ");
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fflush(stdout);
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if ((line = fgetln(stdin, &len)) == NULL) {
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pw_fini();
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err(1, "fgetln()");
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}
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if (len > 0 && (*line == 'N' || *line == 'n'))
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break;
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}
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pw_fini();
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exit(0);
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr, "usage: vipw [-d directory]\n");
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exit(1);
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}
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