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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/*
* slapd hashed password routines
*
*/
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#ifdef _WIN32
char *crypt(char *key, char *salt);
#else
#include <sys/socket.h>
#if defined( hpux ) || defined ( AIX ) || defined (LINUX) || defined (OSF1)
#define __USE_XOPEN /* linux */
#include <unistd.h>
#else /* hpux */
#include <crypt.h>
#endif /* hpux */
#endif /* _WIN32 */
#include "pwdstorage.h"
static PRLock *cryptlock; /* Some implementations of crypt are not thread safe. ie. ours & Irix */
/* characters used in crypt encoding */
static unsigned char itoa64[] = /* 0 ... 63 => ascii - 64 */
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
void
crypt_init()
{
cryptlock = PR_NewLock();
}
int
crypt_pw_cmp( char *userpwd, char *dbpwd )
{
int rc;
char *cp;
PR_Lock(cryptlock);
/* we use salt (first 2 chars) of encoded password in call to crypt() */
cp = crypt( userpwd, dbpwd );
if (cp) {
rc= strcmp( dbpwd, cp);
} else {
rc = -1;
}
PR_Unlock(cryptlock);
return rc;
}
char *
crypt_pw_enc( char *pwd )
{
char *cry, salt[3];
char *enc= NULL;
long v;
static unsigned int seed = 0;
if ( seed == 0)
{
seed = (unsigned int)slapi_rand();
}
v = slapi_rand_r(&seed);
salt[0] = itoa64[v & 0x3f];
v >>= 6;
salt[1] = itoa64[v & 0x3f];
salt[2] = '\0';
PR_Lock(cryptlock);
cry = crypt( pwd, salt );
if ( cry != NULL )
{
enc = slapi_ch_smprintf("%c%s%c%s", PWD_HASH_PREFIX_START, CRYPT_SCHEME_NAME, PWD_HASH_PREFIX_END, cry );
}
PR_Unlock(cryptlock);
return( enc );
}
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