88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
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/*
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* Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H<EFBFBD>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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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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*
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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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*
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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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*
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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 Kungliga Tekniska
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* H<EFBFBD>gskolan and its contributors.
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*
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* 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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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#include "kadm_locl.h"
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RCSID("$Id: pw_check.c,v 1.13 1997/04/01 08:17:50 joda Exp $");
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/*
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* kadm_pw_check
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*
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* pw : new password or "" if none passed
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* newkey : key for pw as passed from client
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* strings : interesting strings to check for
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*
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* returns NULL if pw is ok, else an explanatory string
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*/
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int
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kadm_pw_check(char *pw, des_cblock *newkey, char **pw_msg,
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char **strings)
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{
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des_cblock pwkey;
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int status=KADM_SUCCESS;
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if (pw == NULL || *pw == '\0')
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return status; /* XXX - Change this later */
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#ifndef NO_PW_CHECK
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*pw_msg = NULL;
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des_string_to_key(pw, &pwkey); /* Check AFS string to key also! */
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if (memcmp(pwkey, *newkey, sizeof(pwkey)) != 0)
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{
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/* no password or bad key */
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status=KADM_PW_MISMATCH;
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*pw_msg = "Password doesn't match supplied DES key";
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}
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else if (strlen(pw) < MIN_KPW_LEN)
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{
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status = KADM_INSECURE_PW;
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*pw_msg="Password is too short";
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}
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#ifdef DICTPATH
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*pw_msg = FascistCheck(pw, DICTPATH, strings);
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if (*pw_msg)
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return KADM_INSECURE_PW;
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#endif
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memset(pwkey, 0, sizeof(pwkey));
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#endif
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return status;
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}
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