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119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/*
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* Copyright (c) 1988, 1993, 1994
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* The Regents of the University of California. 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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static char copyright[] =
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"@(#) Copyright (c) 1988, 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[] = "@(#)passwd.c 8.3 (Berkeley) 4/2/94";
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#endif /* not lint */
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "extern.h"
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void usage __P((void));
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#ifdef KERBEROS
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int use_kerberos = 1;
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#endif
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int
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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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int ch;
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char *uname;
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while ((ch = getopt(argc, argv, "l")) != EOF)
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switch (ch) {
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#ifdef KERBEROS
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case 'l': /* change local password file */
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use_kerberos = 0;
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break;
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#endif
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default:
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case '?':
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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 ((uname = getlogin()) == NULL)
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err(1, "getlogin");
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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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#ifdef KERBEROS
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if (use_kerberos && strcmp(argv[0], uname))
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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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#endif
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uname = argv[0];
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break;
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default:
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usage();
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}
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#ifdef KERBEROS
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if (use_kerberos)
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exit(krb_passwd());
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#endif
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exit(local_passwd(uname));
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}
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void
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usage()
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{
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#ifdef KERBEROS
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(void)fprintf(stderr, "usage: passwd [-l] user\n");
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#else
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(void)fprintf(stderr, "usage: passwd user\n");
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#endif
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exit(1);
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}
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