/*
* Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
*/
/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/*
* Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*/
/*
* unbind.c
*/
#if 0
#ifndef lint
static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
#endif
#endif
#include "ldap-int.h"
int
LDAP_CALL
ldap_unbind( LDAP *ld )
{
LDAPDebug( LDAP_DEBUG_TRACE, "ldap_unbind\n", 0, 0, 0 );
return( ldap_ld_free( ld, NULL, NULL, 1 ) );
}
int
LDAP_CALL
ldap_unbind_s( LDAP *ld )
{
return( ldap_ld_free( ld, NULL, NULL, 1 ));
}
int
LDAP_CALL
ldap_unbind_ext( LDAP *ld, LDAPControl **serverctrls,
LDAPControl **clientctrls )
{
return( ldap_ld_free( ld, serverctrls, clientctrls, 1 ));
}
/*
* Dispose of the LDAP session ld, including all associated connections
* and resources. If close is non-zero, an unbind() request is sent as well.
*/
int
ldap_ld_free( LDAP *ld, LDAPControl **serverctrls,
LDAPControl **clientctrls, int close )
{
LDAPMessage *lm, *next;
int err = LDAP_SUCCESS;
LDAPRequest *lr, *nextlr;
if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
return( LDAP_PARAM_ERROR );
}
if ( ld->ld_sbp->sb_naddr == 0 ) {
LDAP_MUTEX_LOCK( ld, LDAP_REQ_LOCK );
/* free LDAP structure and outstanding requests/responses */
for ( lr = ld->ld_requests; lr != NULL; lr = nextlr ) {
nextlr = lr->lr_next;
nsldapi_free_request( ld, lr, 0 );
}
LDAP_MUTEX_UNLOCK( ld, LDAP_REQ_LOCK );
/* free and unbind from all open connections */
LDAP_MUTEX_LOCK( ld, LDAP_CONN_LOCK );
while ( ld->ld_conns != NULL ) {
nsldapi_free_connection( ld, ld->ld_conns, serverctrls,
clientctrls, 1, close );
}
LDAP_MUTEX_UNLOCK( ld, LDAP_CONN_LOCK );
} else {
int i;
for ( i = 0; i < ld->ld_sbp->sb_naddr; ++i ) {
NSLDAPI_FREE( ld->ld_sbp->sb_addrs[ i ] );
}
NSLDAPI_FREE( ld->ld_sbp->sb_addrs );
NSLDAPI_FREE( ld->ld_sbp->sb_fromaddr );
}
LDAP_MUTEX_LOCK( ld, LDAP_RESP_LOCK );
for ( lm = ld->ld_responses; lm != NULL; lm = next ) {
next = lm->lm_next;
ldap_msgfree( lm );
}
LDAP_MUTEX_UNLOCK( ld, LDAP_RESP_LOCK );
/* call cache unbind function to allow it to clean up after itself */
if ( ld->ld_cache_unbind != NULL ) {
LDAP_MUTEX_LOCK( ld, LDAP_CACHE_LOCK );
(void)ld->ld_cache_unbind( ld, 0, 0 );
LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
}
/* call the dispose handle I/O callback if one is defined */
if ( ld->ld_extdisposehandle_fn != NULL ) {
/*
* We always pass the session extended I/O argument to
* the dispose handle callback.
*/
ld->ld_extdisposehandle_fn( ld, ld->ld_ext_session_arg );
}
if ( ld->ld_error != NULL )
NSLDAPI_FREE( ld->ld_error );
if ( ld->ld_matched != NULL )
NSLDAPI_FREE( ld->ld_matched );
if ( ld->ld_host != NULL )
NSLDAPI_FREE( ld->ld_host );
if ( ld->ld_ufnprefix != NULL )
NSLDAPI_FREE( ld->ld_ufnprefix );
if ( ld->ld_filtd != NULL )
ldap_getfilter_free( ld->ld_filtd );
if ( ld->ld_abandoned != NULL )
NSLDAPI_FREE( ld->ld_abandoned );
if ( ld->ld_sbp != NULL )
ber_sockbuf_free( ld->ld_sbp );
if ( ld->ld_defhost != NULL )
NSLDAPI_FREE( ld->ld_defhost );
if ( ld->ld_servercontrols != NULL )
ldap_controls_free( ld->ld_servercontrols );
if ( ld->ld_clientcontrols != NULL )
ldap_controls_free( ld->ld_clientcontrols );
if ( ld->ld_preferred_language != NULL )
NSLDAPI_FREE( ld->ld_preferred_language );
nsldapi_iostatus_free( ld );
#ifdef LDAP_SASLIO_HOOKS
if ( ld->ld_def_sasl_mech != NULL )
NSLDAPI_FREE( ld->ld_def_sasl_mech );
if ( ld->ld_def_sasl_realm != NULL )
NSLDAPI_FREE( ld->ld_def_sasl_realm );
if ( ld->ld_def_sasl_authcid != NULL )
NSLDAPI_FREE( ld->ld_def_sasl_authcid );
if ( ld->ld_def_sasl_authzid != NULL )
NSLDAPI_FREE( ld->ld_def_sasl_authzid );
#endif
/*
* XXXmcs: should use cache function pointers to hook in memcache
*/
if ( ld->ld_memcache != NULL ) {
ldap_memcache_set( ld, NULL );
}
/* free all mutexes we have allocated */
nsldapi_mutex_free_all( ld );
NSLDAPI_FREE( ld->ld_mutex );
NSLDAPI_FREE( (char *) ld );
return( err );
}
int
nsldapi_send_unbind( LDAP *ld, Sockbuf *sb, LDAPControl **serverctrls,
LDAPControl **clientctrls )
{
BerElement *ber;
int err, msgid, rc;
LDAPDebug( LDAP_DEBUG_TRACE, "nsldapi_send_unbind\n", 0, 0, 0 );
/* create a message to send */
if (( err = nsldapi_alloc_ber_with_options( ld, &ber ))
!= LDAP_SUCCESS ) {
return( err );
}
/* fill it in */
LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
msgid = ++ld->ld_msgid;
LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );
if ( ber_printf( ber, "{itn", msgid, LDAP_REQ_UNBIND ) == -1 ) {
ber_free( ber, 1 );
err = LDAP_ENCODING_ERROR;
LDAP_SET_LDERRNO( ld, err, NULL, NULL );
return( err );
}
if (( err = nsldapi_put_controls( ld, serverctrls, 1, ber ))
!= LDAP_SUCCESS ) {
ber_free( ber, 1 );
return( err );
}
/* Send the message in async mode to stop being blocked */
if ((rc = nsldapi_ber_flush( ld, sb, ber, 1, 1 )) != 0 ) {
if ( rc == -2 ) {
/*
* We have an async return. We were unable to send
* the unbind message. Mark the connection as "dead"
*/
nsldapi_connection_lost_nolock( ld, sb );
}
ber_free( ber, 1 );
err = LDAP_SERVER_DOWN;
LDAP_SET_LDERRNO( ld, err, NULL, NULL );
return( err );
}
return( LDAP_SUCCESS );
}