freebsd-nq/usr.bin/passwd/passwd.c
1995-01-20 22:03:36 +00:00

139 lines
3.5 KiB
C

/*
* Copyright (c) 1988, 1993, 1994
* 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
static char copyright[] =
"@(#) Copyright (c) 1988, 1993, 1994\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "From: @(#)passwd.c 8.3 (Berkeley) 4/2/94";
static const char rcsid[] =
"$Id$";
#endif /* not lint */
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#ifdef KERBEROS
#include "krb.h"
#endif
#include "extern.h"
void usage __P((void));
int use_local_passwd = 0;
int
main(argc, argv)
int argc;
char **argv;
{
int ch;
char *uname;
char *iflag = 0, *rflag = 0, *uflag = 0;
#ifdef KERBEROS
char realm[REALM_SZ];
#define OPTIONS "li:r:u:"
#else
#define OPTIONS "l"
#endif
while ((ch = getopt(argc, argv, OPTIONS)) != EOF) {
switch (ch) {
case 'l': /* change local password file */
use_local_passwd = 1;
break;
#ifdef KERBEROS
case 'i':
iflag = optarg;
break;
case 'r':
rflag = optarg;
break;
case 'u':
uflag = optarg;
break;
#endif /* KERBEROS */
default:
case '?':
usage();
}
}
argc -= optind;
argv += optind;
if ((uname = getlogin()) == NULL)
err(1, "getlogin");
switch(argc) {
case 0:
break;
case 1:
uname = argv[0];
break;
default:
usage();
}
if (!use_local_passwd) {
#ifdef KERBEROS
if(krb_get_lrealm(realm, 0) == KSUCCESS) {
fprintf(stderr, "realm %s\n", realm);
exit(krb_passwd(argv[0], iflag, rflag, uflag));
}
#endif
}
exit(local_passwd(uname));
}
void
usage()
{
#ifdef KERBEROS
fprintf(stderr,
"usage: passwd [-l] [-i instance] [-r realm] [-u fullname] [user]\n");
#else
(void)fprintf(stderr, "usage: passwd user\n");
#endif
exit(1);
}