1998-05-28 08:23:42 +04:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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1999-11-02 04:46:24 +03:00
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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1998-05-28 08:23:42 +04:00
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*
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1999-11-02 04:46:24 +03:00
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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1998-05-28 08:23:42 +04:00
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*
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1999-11-02 04:46:24 +03:00
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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1998-05-28 08:23:42 +04:00
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* Communications Corporation. Portions created by Netscape are
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1999-11-02 04:46:24 +03:00
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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1998-05-28 08:23:42 +04:00
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*/
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/*
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* Copyright (c) 1993 Regents of the University of Michigan.
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* All rights reserved.
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*/
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/*
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* sbind.c
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*/
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#if 0
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#ifndef lint
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static char copyright[] = "@(#) Copyright (c) 1993 Regents of the University of Michigan.\nAll rights reserved.\n";
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#endif
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#endif
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#include "ldap-int.h"
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static int simple_bind_nolock( LDAP *ld, const char *dn, const char *passwd,
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int unlock_permitted );
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static int simple_bindifnot_s( LDAP *ld, const char *dn, const char *passwd );
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/*
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* ldap_simple_bind - bind to the ldap server (and X.500). The dn and
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* password of the entry to which to bind are supplied. The message id
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* of the request initiated is returned.
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*
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* Example:
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* ldap_simple_bind( ld, "cn=manager, o=university of michigan, c=us",
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* "secret" )
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*/
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int
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LDAP_CALL
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ldap_simple_bind( LDAP *ld, const char *dn, const char *passwd )
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{
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int rc;
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LDAPDebug( LDAP_DEBUG_TRACE, "ldap_simple_bind\n", 0, 0, 0 );
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if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
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return( -1 );
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}
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rc = simple_bind_nolock( ld, dn, passwd, 1 );
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return( rc );
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}
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static int
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simple_bind_nolock( LDAP *ld, const char *dn, const char *passwd,
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int unlock_permitted )
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{
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BerElement *ber;
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int rc, msgid;
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/*
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* The bind request looks like this:
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* BindRequest ::= SEQUENCE {
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* version INTEGER,
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* name DistinguishedName, -- who
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* authentication CHOICE {
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* simple [0] OCTET STRING -- passwd
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* }
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* }
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* all wrapped up in an LDAPMessage sequence.
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*/
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LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
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msgid = ++ld->ld_msgid;
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LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );
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if ( dn == NULL )
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dn = "";
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if ( passwd == NULL )
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passwd = "";
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if ( ld->ld_cache_on && ld->ld_cache_bind != NULL ) {
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struct berval bv;
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bv.bv_val = (char *)passwd;
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bv.bv_len = strlen( passwd );
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/* if ( unlock_permitted ) LDAP_MUTEX_UNLOCK( ld ); */
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LDAP_MUTEX_LOCK( ld, LDAP_CACHE_LOCK );
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rc = (ld->ld_cache_bind)( ld, msgid, LDAP_REQ_BIND, dn, &bv,
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LDAP_AUTH_SIMPLE );
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LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
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/* if ( unlock_permitted ) LDAP_MUTEX_LOCK( ld ); */
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if ( rc != 0 ) {
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return( rc );
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}
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}
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/* create a message to send */
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if (( rc = nsldapi_alloc_ber_with_options( ld, &ber ))
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!= LDAP_SUCCESS ) {
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return( -1 );
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}
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/* fill it in */
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if ( ber_printf( ber, "{it{ists}", msgid, LDAP_REQ_BIND,
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NSLDAPI_LDAP_VERSION( ld ), dn, LDAP_AUTH_SIMPLE, passwd ) == -1 ) {
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LDAP_SET_LDERRNO( ld, LDAP_ENCODING_ERROR, NULL, NULL );
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ber_free( ber, 1 );
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return( -1 );
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}
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if ( nsldapi_put_controls( ld, NULL, 1, ber ) != LDAP_SUCCESS ) {
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ber_free( ber, 1 );
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return( -1 );
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}
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/* send the message */
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return( nsldapi_send_initial_request( ld, msgid, LDAP_REQ_BIND,
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(char *)dn, ber ));
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}
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/*
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* ldap_simple_bind - bind to the ldap server (and X.500) using simple
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* authentication. The dn and password of the entry to which to bind are
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* supplied. LDAP_SUCCESS is returned upon success, the ldap error code
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* otherwise.
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*
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* Example:
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* ldap_simple_bind_s( ld, "cn=manager, o=university of michigan, c=us",
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* "secret" )
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*/
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int
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LDAP_CALL
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ldap_simple_bind_s( LDAP *ld, const char *dn, const char *passwd )
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{
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int msgid;
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LDAPMessage *result;
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LDAPDebug( LDAP_DEBUG_TRACE, "ldap_simple_bind_s\n", 0, 0, 0 );
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if ( NSLDAPI_VALID_LDAP_POINTER( ld ) &&
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( ld->ld_options & LDAP_BITOPT_RECONNECT ) != 0 ) {
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return( simple_bindifnot_s( ld, dn, passwd ));
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}
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if ( (msgid = ldap_simple_bind( ld, dn, passwd )) == -1 )
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return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
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if ( ldap_result( ld, msgid, 1, (struct timeval *) 0, &result ) == -1 )
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return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
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return( ldap_result2error( ld, result, 1 ) );
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}
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/*
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* simple_bindifnot_s() is like ldap_simple_bind_s() except that it only does
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* a bind if the default connection is not currently bound.
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* If a successful bind using the same DN has already taken place we just
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* return LDAP_SUCCESS without conversing with the server at all.
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*/
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static int
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simple_bindifnot_s( LDAP *ld, const char *dn, const char *passwd )
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{
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int msgid, rc;
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LDAPMessage *result;
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char *binddn;
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LDAPDebug( LDAP_DEBUG_TRACE, "simple_bindifnot_s\n", 0, 0, 0 );
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if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
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return( LDAP_PARAM_ERROR );
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}
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if ( dn == NULL ) {
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dn = ""; /* to make comparisons simpler */
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}
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/*
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* if we are already bound using the same DN, just return LDAP_SUCCESS.
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*/
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if ( NULL != ( binddn = nsldapi_get_binddn( ld ))
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&& 0 == strcmp( dn, binddn )) {
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rc = LDAP_SUCCESS;
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LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
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goto unlock_and_return;
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}
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/*
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* if the default connection has been lost and is now marked dead,
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* dispose of the default connection so it will get re-established.
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*/
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LDAP_MUTEX_LOCK( ld, LDAP_CONN_LOCK );
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if ( NULL != ld->ld_defconn
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&& LDAP_CONNST_DEAD == ld->ld_defconn->lconn_status ) {
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nsldapi_free_connection( ld, ld->ld_defconn, 1, 0 );
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ld->ld_defconn = NULL;
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}
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LDAP_MUTEX_UNLOCK( ld, LDAP_CONN_LOCK );
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/*
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* finally, bind (this will open a new connection if necessary)
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*/
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if ( (msgid = simple_bind_nolock( ld, dn, passwd, 0 )) == -1 ) {
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rc = LDAP_GET_LDERRNO( ld, NULL, NULL );
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goto unlock_and_return;
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}
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if ( nsldapi_result_nolock( ld, msgid, 1, 0, (struct timeval *) 0,
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&result ) == -1 ) {
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rc = LDAP_GET_LDERRNO( ld, NULL, NULL );
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goto unlock_and_return;
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}
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rc = ldap_result2error( ld, result, 1 );
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unlock_and_return:
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return( rc );
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}
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