157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 1988 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
char copyright[] =
|
|
"@(#) Copyright (c) 1988 The Regents of the University of California.\n\
|
|
All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
/*static char sccsid[] = "from: @(#)passwd.c 5.5 (Berkeley) 7/6/91";*/
|
|
static char rcsid[] = "$Id: passwd.c,v 1.6 1994/07/27 03:28:23 brezak Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
/*
|
|
* Note on configuration:
|
|
* Generally one would not use both Kerberos and YP
|
|
* to maintain passwords.
|
|
*
|
|
*/
|
|
|
|
int use_kerberos;
|
|
int use_yp;
|
|
|
|
#ifdef YP
|
|
int force_yp;
|
|
#endif
|
|
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
extern int optind;
|
|
register int ch;
|
|
char *username;
|
|
int status = 0;
|
|
|
|
#if defined(KERBEROS) || defined(KERBEROS5)
|
|
use_kerberos = 1;
|
|
#endif
|
|
#ifdef YP
|
|
use_yp = _yp_check(NULL);
|
|
#endif
|
|
|
|
while ((ch = getopt(argc, argv, "lky")) != EOF)
|
|
switch (ch) {
|
|
case 'l': /* change local password file */
|
|
use_kerberos = 0;
|
|
use_yp = 0;
|
|
break;
|
|
case 'k': /* change Kerberos password */
|
|
#if defined(KERBEROS) || defined(KERBEROS5)
|
|
use_kerberos = 1;
|
|
use_yp = 0;
|
|
break;
|
|
#else
|
|
fprintf(stderr, "passwd: Kerberos not compiled in\n");
|
|
exit(1);
|
|
#endif
|
|
case 'y': /* change YP password */
|
|
#ifdef YP
|
|
if (!use_yp) {
|
|
fprintf(stderr, "passwd: YP not in use.\n");
|
|
exit(1);
|
|
}
|
|
use_kerberos = 0;
|
|
use_yp = 1;
|
|
force_yp = 1;
|
|
break;
|
|
#else
|
|
fprintf(stderr, "passwd: YP not compiled in\n");
|
|
exit(1);
|
|
#endif
|
|
default:
|
|
usage();
|
|
exit(1);
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
username = getlogin();
|
|
if (username == NULL) {
|
|
fprintf(stderr, "passwd: who are you ??\n");
|
|
exit(1);
|
|
}
|
|
|
|
switch(argc) {
|
|
case 0:
|
|
break;
|
|
case 1:
|
|
#if defined(KERBEROS) || defined(KERBEROS5)
|
|
if (use_kerberos && strcmp(argv[0], username)) {
|
|
(void)fprintf(stderr, "passwd: %s\n\t%s\n%s\n",
|
|
"to change another user's Kerberos password, do",
|
|
"\"kinit <user>; passwd; kdestroy\";",
|
|
"to change a user's local passwd, use \"passwd -l <user>\"");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
username = argv[0];
|
|
break;
|
|
default:
|
|
usage();
|
|
exit(1);
|
|
}
|
|
|
|
#if defined(KERBEROS) || defined(KERBEROS5)
|
|
if (use_kerberos)
|
|
exit(krb_passwd());
|
|
#endif
|
|
#ifdef YP
|
|
if (force_yp || ((status = local_passwd(username)) && use_yp))
|
|
exit(yp_passwd(username));
|
|
exit(status);
|
|
#endif
|
|
exit(local_passwd(username));
|
|
}
|
|
|
|
usage()
|
|
{
|
|
fprintf(stderr, "usage: passwd [-l] [-k] [-y] user\n");
|
|
}
|