27643ee095
YP server. This is required if the passwd database is to stay in sync if this program is run on the YP server. Note, local passwd database operations can still be performed by passing the -l flag. Also, some minor cleanup and RCS id police.
178 lines
4.4 KiB
C
178 lines
4.4 KiB
C
/* $NetBSD: passwd.c,v 1.8 1996/08/09 09:19:41 thorpej Exp $ */
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/*
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* Copyright (c) 1988 The Regents of the University of California.
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* All rights reserved.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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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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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1988 The Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "from: @(#)passwd.c 5.5 (Berkeley) 7/6/91";
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#else
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static char rcsid[] = "$NetBSD: passwd.c,v 1.8 1996/08/09 09:19:41 thorpej Exp $";
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#endif
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#endif /* not lint */
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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/*
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* Note on configuration:
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* Generally one would not use both Kerberos and YP
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* to maintain passwords.
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*
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*/
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int use_kerberos;
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int use_yp;
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int yppwd;
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extern char *__progname; /* from crt0.o */
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#ifdef YP
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extern int _yp_check __P((char **)); /* buried deep inside libc */
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#endif
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main(argc, argv)
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int argc;
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char **argv;
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{
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extern int optind;
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register int ch;
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char *username;
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#if defined(KERBEROS) || defined(KERBEROS5)
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use_kerberos = 1;
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#endif
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#ifdef YP
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use_yp = _yp_check(NULL);
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#endif
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if (strcmp(__progname, "yppasswd") == 0) {
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#ifdef YP
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if (!use_yp)
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errx(1, "YP not in use.");
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use_kerberos = 0;
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yppwd = 1;
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#else
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errx(1, "YP support not compiled in.");
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#endif
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}
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while ((ch = getopt(argc, argv, "lky")) != -1)
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switch (ch) {
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case 'l': /* change local password file */
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if (yppwd)
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usage();
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use_kerberos = 0;
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use_yp = 0;
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break;
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case 'k': /* change Kerberos password */
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#if defined(KERBEROS) || defined(KERBEROS5)
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if (yppwd)
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usage();
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use_kerberos = 1;
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use_yp = 0;
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break;
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#else
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errx(1, "Kerberos support not compiled in.");
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#endif
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case 'y': /* change YP password */
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#ifdef YP
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if (yppwd)
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usage();
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if (!use_yp)
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errx(1, "YP not in use.");
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use_kerberos = 0;
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break;
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#else
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errx(1, "YP support not compiled in.");
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#endif
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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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username = getlogin();
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if (username == NULL)
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errx(1, "who are you ??");
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switch(argc) {
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case 0:
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break;
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case 1:
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#if defined(KERBEROS) || defined(KERBEROS5)
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if (use_kerberos && strcmp(argv[0], username)) {
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errx(1, "%s\n\t%s\n%s\n",
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"to change another user's Kerberos password, do",
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"\"kinit <user>; passwd; kdestroy\";",
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"to change a user's local passwd, use \"passwd -l <user>\"");
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}
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#endif
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username = argv[0];
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break;
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default:
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usage();
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exit(1);
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}
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#if defined(KERBEROS) || defined(KERBEROS5)
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if (use_kerberos)
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exit(krb_passwd());
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#endif
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#ifdef YP
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if (use_yp)
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exit(yp_passwd(username));
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#endif
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exit(local_passwd(username));
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}
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usage()
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{
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if (yppwd)
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fprintf(stderr, "usage: %s user\n", __progname);
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else
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fprintf(stderr, "usage: %s [-l] [-k] [-y] user\n", __progname);
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exit(1);
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}
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