Ejemplo n.º 1
0
/* protected by conn_mutex */
int
ldap_int_flush_request(
	LDAP *ld,
	LDAPRequest *lr )
{
	LDAPConn *lc = lr->lr_conn;

	LDAP_ASSERT_MUTEX_OWNER( &ld->ld_conn_mutex );
	if ( ber_flush2( lc->lconn_sb, lr->lr_ber, LBER_FLUSH_FREE_NEVER ) != 0 ) {
		if ( sock_errno() == EAGAIN ) {
			/* need to continue write later */
			lr->lr_status = LDAP_REQST_WRITING;
			ldap_mark_select_write( ld, lc->lconn_sb );
			ld->ld_errno = LDAP_BUSY;
			return -2;
		} else {
			ld->ld_errno = LDAP_SERVER_DOWN;
			ldap_free_request( ld, lr );
			ldap_free_connection( ld, lc, 0, 0 );
			return( -1 );
		}
	} else {
		if ( lr->lr_parent == NULL ) {
			lr->lr_ber->ber_end = lr->lr_ber->ber_ptr;
			lr->lr_ber->ber_ptr = lr->lr_ber->ber_buf;
		}
		lr->lr_status = LDAP_REQST_INPROGRESS;

		/* sent -- waiting for a response */
		ldap_mark_select_read( ld, lc->lconn_sb );
		ldap_clear_select_write( ld, lc->lconn_sb );
	}
	return 0;
}
Ejemplo n.º 2
0
/* protected by req_mutex */
void
ldap_free_request( LDAP *ld, LDAPRequest *lr )
{
	LDAP_ASSERT_MUTEX_OWNER( &ld->ld_req_mutex );
	Debug( LDAP_DEBUG_TRACE, "ldap_free_request (origid %d, msgid %d)\n",
		lr->lr_origid, lr->lr_msgid, 0 );

	/* free all referrals (child requests) */
	while ( lr->lr_child ) {
		ldap_free_request( ld, lr->lr_child );
	}

	if ( lr->lr_parent != NULL ) {
		LDAPRequest     **lrp;

		--lr->lr_parent->lr_outrefcnt;
		for ( lrp = &lr->lr_parent->lr_child;
			*lrp && *lrp != lr;
			lrp = &(*lrp)->lr_refnext );

		if ( *lrp == lr ) {
			*lrp = lr->lr_refnext;
		}
	}
	ldap_free_request_int( ld, lr );
}
Ejemplo n.º 3
0
/* protected by req_mutex */
void
ldap_return_request( LDAP *ld, LDAPRequest *lrx, int freeit )
{
	LDAPRequest	*lr;

	for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
		if ( lr == lrx ) {
			if ( lr->lr_refcnt > 0 ) {
				lr->lr_refcnt--;

			} else if ( lr->lr_refcnt < 0 ) {
				lr->lr_refcnt++;
				if ( lr->lr_refcnt == 0 ) {
					lr = NULL;
				}
			}
			break;
		}
	}
	if ( lr == NULL ) {
		ldap_free_request_int( ld, lrx );

	} else if ( freeit ) {
		ldap_free_request( ld, lrx );
	}
}
Ejemplo n.º 4
0
void
ldap_return_request( LDAP *ld, LDAPRequest *lrx, int freeit )
{
	LDAPRequest	*lr;

#ifdef LDAP_R_COMPILE
	ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
#endif
	for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
		if ( lr == lrx ) {
			if ( lr->lr_refcnt > 0 ) {
				lr->lr_refcnt--;

			} else if ( lr->lr_refcnt < 0 ) {
				lr->lr_refcnt++;
				if ( lr->lr_refcnt == 0 ) {
					lr = NULL;
				}
			}
			break;
		}
	}
	if ( lr == NULL ) {
		ldap_free_request_int( ld, lrx );

	} else if ( freeit ) {
		ldap_free_request( ld, lrx );
	}
#ifdef LDAP_R_COMPILE
	ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
#endif
}
Ejemplo n.º 5
0
Archivo: unbind.c Proyecto: 1ack/Impala
int
ldap_ld_free(
	LDAP *ld,
	int close,
	LDAPControl **sctrls,
	LDAPControl **cctrls )
{
	LDAPMessage	*lm, *next;
	int		err = LDAP_SUCCESS;

	LDAP_MUTEX_LOCK( &ld->ld_ldcmutex );
	/* Someone else is still using this ld. */
	if (ld->ld_ldcrefcnt > 1) {	/* but not last thread */
		/* clean up self only */
		ld->ld_ldcrefcnt--;
		if ( ld->ld_error != NULL ) {
			LDAP_FREE( ld->ld_error );
			ld->ld_error = NULL;
		}

		if ( ld->ld_matched != NULL ) {
			LDAP_FREE( ld->ld_matched );
			ld->ld_matched = NULL;
		}
		if ( ld->ld_referrals != NULL) {
			LDAP_VFREE(ld->ld_referrals);
			ld->ld_referrals = NULL;
		}  
		LDAP_MUTEX_UNLOCK( &ld->ld_ldcmutex );
		LDAP_FREE( (char *) ld );
		return( err );
	}

	/* This ld is the last thread. */

	/* free LDAP structure and outstanding requests/responses */
	LDAP_MUTEX_LOCK( &ld->ld_req_mutex );
	while ( ld->ld_requests != NULL ) {
		ldap_free_request( ld, ld->ld_requests );
	}
	LDAP_MUTEX_UNLOCK( &ld->ld_req_mutex );
	LDAP_MUTEX_LOCK( &ld->ld_conn_mutex );

	/* free and unbind from all open connections */
	while ( ld->ld_conns != NULL ) {
		ldap_free_connection( ld, ld->ld_conns, 1, close );
	}
	LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex );
	LDAP_MUTEX_LOCK( &ld->ld_res_mutex );
	for ( lm = ld->ld_responses; lm != NULL; lm = next ) {
		next = lm->lm_next;
		ldap_msgfree( lm );
	}
    
	if ( ld->ld_abandoned != NULL ) {
		LDAP_FREE( ld->ld_abandoned );
		ld->ld_abandoned = NULL;
	}
	LDAP_MUTEX_UNLOCK( &ld->ld_res_mutex );
	LDAP_MUTEX_LOCK( &ld->ld_ldopts_mutex );

	/* final close callbacks */
	{
		ldaplist *ll, *next;

		for ( ll = ld->ld_options.ldo_conn_cbs; ll; ll = next ) {
			ldap_conncb *cb = ll->ll_data;
			next = ll->ll_next;
			cb->lc_del( ld, NULL, cb );
			LDAP_FREE( ll );
		}
	}

	if ( ld->ld_error != NULL ) {
		LDAP_FREE( ld->ld_error );
		ld->ld_error = NULL;
	}

	if ( ld->ld_matched != NULL ) {
		LDAP_FREE( ld->ld_matched );
		ld->ld_matched = NULL;
	}

	if ( ld->ld_referrals != NULL) {
		LDAP_VFREE(ld->ld_referrals);
		ld->ld_referrals = NULL;
	}  
    
	if ( ld->ld_selectinfo != NULL ) {
		ldap_free_select_info( ld->ld_selectinfo );
		ld->ld_selectinfo = NULL;
	}

	if ( ld->ld_options.ldo_defludp != NULL ) {
		ldap_free_urllist( ld->ld_options.ldo_defludp );
		ld->ld_options.ldo_defludp = NULL;
	}

#ifdef LDAP_CONNECTIONLESS
	if ( ld->ld_options.ldo_peer != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_peer );
		ld->ld_options.ldo_peer = NULL;
	}

	if ( ld->ld_options.ldo_cldapdn != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_cldapdn );
		ld->ld_options.ldo_cldapdn = NULL;
	}
#endif

#ifdef HAVE_CYRUS_SASL
	if ( ld->ld_options.ldo_def_sasl_mech != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_mech );
		ld->ld_options.ldo_def_sasl_mech = NULL;
	}

	if ( ld->ld_options.ldo_def_sasl_realm != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_realm );
		ld->ld_options.ldo_def_sasl_realm = NULL;
	}

	if ( ld->ld_options.ldo_def_sasl_authcid != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_authcid );
		ld->ld_options.ldo_def_sasl_authcid = NULL;
	}

	if ( ld->ld_options.ldo_def_sasl_authzid != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_authzid );
		ld->ld_options.ldo_def_sasl_authzid = NULL;
	}
#endif

#ifdef HAVE_TLS
	ldap_int_tls_destroy( &ld->ld_options );
#endif

	if ( ld->ld_options.ldo_sctrls != NULL ) {
		ldap_controls_free( ld->ld_options.ldo_sctrls );
		ld->ld_options.ldo_sctrls = NULL;
	}

	if ( ld->ld_options.ldo_cctrls != NULL ) {
		ldap_controls_free( ld->ld_options.ldo_cctrls );
		ld->ld_options.ldo_cctrls = NULL;
	}
	LDAP_MUTEX_UNLOCK( &ld->ld_ldopts_mutex );

	ber_sockbuf_free( ld->ld_sb );   
   
#ifdef LDAP_R_COMPILE
	ldap_pvt_thread_mutex_destroy( &ld->ld_msgid_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_conn_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_req_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_res_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_abandon_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_ldopts_mutex );
	ldap_pvt_thread_mutex_unlock( &ld->ld_ldcmutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_ldcmutex );
#endif
#ifndef NDEBUG
	LDAP_TRASH(ld);
#endif
	LDAP_FREE( (char *) ld->ldc );
	LDAP_FREE( (char *) ld );
   
	return( err );
}
Ejemplo n.º 6
0
static int
do_abandon(
	LDAP *ld,
	ber_int_t origid,
	ber_int_t msgid,
	LDAPControl **sctrls,
	int sendabandon )
{
	BerElement	*ber;
	int		i, err;
	Sockbuf		*sb;
	LDAPRequest	*lr;

	Debug( LDAP_DEBUG_TRACE, "do_abandon origid %d, msgid %d\n",
		origid, msgid, 0 );

	/* find the request that we are abandoning */
start_again:;
	lr = ld->ld_requests;
	while ( lr != NULL ) {
		/* this message */
		if ( lr->lr_msgid == msgid ) {
			break;
		}

		/* child: abandon it */
		if ( lr->lr_origid == msgid && !lr->lr_abandoned ) {
			(void)do_abandon( ld, lr->lr_origid, lr->lr_msgid,
				sctrls, sendabandon );

			/* restart, as lr may now be dangling... */
			goto start_again;
		}

		lr = lr->lr_next;
	}

	if ( lr != NULL ) {
		if ( origid == msgid && lr->lr_parent != NULL ) {
			/* don't let caller abandon child requests! */
			ld->ld_errno = LDAP_PARAM_ERROR;
			return( LDAP_PARAM_ERROR );
		}
		if ( lr->lr_status != LDAP_REQST_INPROGRESS ) {
			/* no need to send abandon message */
			sendabandon = 0;
		}
	}

	/* ldap_msgdelete locks the res_mutex. Give up the req_mutex
	 * while we're in there.
	 */
#ifdef LDAP_R_COMPILE
	ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
#endif
	err = ldap_msgdelete( ld, msgid );
#ifdef LDAP_R_COMPILE
	ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
#endif
	if ( err == 0 ) {
		ld->ld_errno = LDAP_SUCCESS;
		return LDAP_SUCCESS;
	}

	/* fetch again the request that we are abandoning */
	if ( lr != NULL ) {
		for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
			/* this message */
			if ( lr->lr_msgid == msgid ) {
				break;
			}
		}
	}

	err = 0;
	if ( sendabandon ) {
		if ( ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, NULL ) == -1 ) {
			/* not connected */
			err = -1;
			ld->ld_errno = LDAP_SERVER_DOWN;

		} else if ( ( ber = ldap_alloc_ber_with_options( ld ) ) == NULL ) {
			/* BER element allocation failed */
			err = -1;
			ld->ld_errno = LDAP_NO_MEMORY;

		} else {
			/*
			 * We already have the mutex in LDAP_R_COMPILE, so
			 * don't try to get it again.
			 *		LDAP_NEXT_MSGID(ld, i);
			 */

			i = ++(ld)->ld_msgid;
#ifdef LDAP_CONNECTIONLESS
			if ( LDAP_IS_UDP(ld) ) {
				struct sockaddr sa = {0};
				/* dummy, filled with ldo_peer in request.c */
				err = ber_write( ber, &sa, sizeof(sa), 0 );
			}
			if ( LDAP_IS_UDP(ld) && ld->ld_options.ldo_version ==
				LDAP_VERSION2 )
			{
				char *dn = ld->ld_options.ldo_cldapdn;
				if (!dn) dn = "";
				err = ber_printf( ber, "{isti",  /* '}' */
					i, dn,
					LDAP_REQ_ABANDON, msgid );
			} else
#endif
			{
				/* create a message to send */
				err = ber_printf( ber, "{iti",  /* '}' */
					i,
					LDAP_REQ_ABANDON, msgid );
			}

			if ( err == -1 ) {
				/* encoding error */
				ld->ld_errno = LDAP_ENCODING_ERROR;

			} else {
				/* Put Server Controls */
				if ( ldap_int_put_controls( ld, sctrls, ber )
					!= LDAP_SUCCESS )
				{
					err = -1;

				} else {
					/* close '{' */
					err = ber_printf( ber, /*{*/ "N}" );

					if ( err == -1 ) {
						/* encoding error */
						ld->ld_errno = LDAP_ENCODING_ERROR;
					}
				}
			}

			if ( err == -1 ) {
				ber_free( ber, 1 );

			} else {
				/* send the message */
				if ( lr != NULL ) {
					assert( lr->lr_conn != NULL );
					sb = lr->lr_conn->lconn_sb;
				} else {
					sb = ld->ld_sb;
				}

				if ( ber_flush2( sb, ber, LBER_FLUSH_FREE_ALWAYS ) != 0 ) {
					ld->ld_errno = LDAP_SERVER_DOWN;
					err = -1;
				} else {
					err = 0;
				}
			}
		}
	}

	if ( lr != NULL ) {
		if ( sendabandon || lr->lr_status == LDAP_REQST_WRITING ) {
			ldap_free_connection( ld, lr->lr_conn, 0, 1 );
		}

		if ( origid == msgid ) {
			ldap_free_request( ld, lr );

		} else {
			lr->lr_abandoned = 1;
		}
	}

#ifdef LDAP_R_COMPILE
	/* ld_abandoned is actually protected by the ld_res_mutex;
	 * give up the ld_req_mutex and get the other */
	ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
	ldap_pvt_thread_mutex_lock( &ld->ld_res_mutex );
#endif

	/* use bisection */
	i = 0;
	if ( ld->ld_nabandoned == 0 ||
		ldap_int_bisect_find( ld->ld_abandoned, ld->ld_nabandoned, msgid, &i ) == 0 )
	{
		ldap_int_bisect_insert( &ld->ld_abandoned, &ld->ld_nabandoned, msgid, i );
	}

	if ( err != -1 ) {
		ld->ld_errno = LDAP_SUCCESS;
	}

#ifdef LDAP_R_COMPILE
	ldap_pvt_thread_mutex_unlock( &ld->ld_res_mutex );
	ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
#endif
	return( ld->ld_errno );
}
Ejemplo n.º 7
0
static int
do_abandon(
	LDAP *ld,
	ber_int_t origid,
	ber_int_t msgid,
	LDAPControl **sctrls,
	LDAPControl **cctrls)
{
	BerElement	*ber;
	int		i, err, sendabandon;
	ber_int_t *old_abandon;
	Sockbuf		*sb;
	LDAPRequest	*lr;

#ifdef NEW_LOGGING
	LDAP_LOG ( OPERATION, ARGS, "do_abandon %d, msgid %d\n", origid, msgid, 0 );
#else
	Debug( LDAP_DEBUG_TRACE, "do_abandon origid %d, msgid %d\n",
		origid, msgid, 0 );
#endif

	sendabandon = 1;

	/* find the request that we are abandoning */
	for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
		if ( lr->lr_msgid == msgid ) {	/* this message */
			break;
		}
		if ( lr->lr_origid == msgid ) {/* child:  abandon it */
			(void) do_abandon( ld,
				msgid, lr->lr_msgid, sctrls, cctrls );
		}
	}

	if ( lr != NULL ) {
		if ( origid == msgid && lr->lr_parent != NULL ) {
			/* don't let caller abandon child requests! */
			ld->ld_errno = LDAP_PARAM_ERROR;
			return( LDAP_PARAM_ERROR );
		}
		if ( lr->lr_status != LDAP_REQST_INPROGRESS ) {
			/* no need to send abandon message */
			sendabandon = 0;
		}
	}

	if ( ldap_msgdelete( ld, msgid ) == 0 ) {
		ld->ld_errno = LDAP_SUCCESS;
		return LDAP_SUCCESS;
	}

	err = 0;
	if ( sendabandon ) {
		if( ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, NULL ) == -1 ) {
			/* not connected */
			err = -1;
			ld->ld_errno = LDAP_SERVER_DOWN;

		} else if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
			/* BER element alocation failed */
			err = -1;
			ld->ld_errno = LDAP_NO_MEMORY;

		} else {
#ifdef LDAP_CONNECTIONLESS
			if ( LDAP_IS_UDP(ld) ) {
			    err = ber_write( ber, ld->ld_options.ldo_peer,
				sizeof(struct sockaddr), 0);
			}
			if ( LDAP_IS_UDP(ld) && ld->ld_options.ldo_version ==
				LDAP_VERSION2) {
			    char *dn = ld->ld_options.ldo_cldapdn;
			    if (!dn) dn = "";
			    err = ber_printf( ber, "{isti",  /* '}' */
				++ld->ld_msgid, dn,
				LDAP_REQ_ABANDON, msgid );
			} else
#endif
			{
			    /* create a message to send */
			    err = ber_printf( ber, "{iti",  /* '}' */
				++ld->ld_msgid,
				LDAP_REQ_ABANDON, msgid );
			}

			if( err == -1 ) {
				/* encoding error */
				ld->ld_errno = LDAP_ENCODING_ERROR;

			} else {
				/* Put Server Controls */
				if ( ldap_int_put_controls( ld, sctrls, ber )
					!= LDAP_SUCCESS )
				{
					err = -1;

				} else {
					/* close '{' */
					err = ber_printf( ber, /*{*/ "N}" );

					if( err == -1 ) {
						/* encoding error */
						ld->ld_errno = LDAP_ENCODING_ERROR;
					}
				}
			}

			if ( err == -1 ) {
				ber_free( ber, 1 );

			} else {
				/* send the message */
				if ( lr != NULL ) {
					sb = lr->lr_conn->lconn_sb;
				} else {
					sb = ld->ld_sb;
				}

				if ( ber_flush( sb, ber, 1 ) != 0 ) {
					ld->ld_errno = LDAP_SERVER_DOWN;
					err = -1;
				} else {
					err = 0;
				}
			}
		}
	}

	if ( lr != NULL ) {
		if ( sendabandon || lr->lr_status == LDAP_REQST_WRITING ) {
			ldap_free_connection( ld, lr->lr_conn, 0, 1 );
		}
		if ( origid == msgid ) {
			ldap_free_request( ld, lr );
		}
	}

	i = 0;
	if ( ld->ld_abandoned != NULL ) {
		for ( ; ld->ld_abandoned[i] != -1; i++ )
			;	/* NULL */
	}

	old_abandon = ld->ld_abandoned;

	ld->ld_abandoned = (ber_int_t *) LDAP_REALLOC( (char *)
		ld->ld_abandoned, (i + 2) * sizeof(ber_int_t) );
		
	if ( ld->ld_abandoned == NULL ) {
		ld->ld_abandoned = old_abandon;
		ld->ld_errno = LDAP_NO_MEMORY;
		return( ld->ld_errno );
	}

	ld->ld_abandoned[i] = msgid;
	ld->ld_abandoned[i + 1] = -1;

	if ( err != -1 ) {
		ld->ld_errno = LDAP_SUCCESS;
	}

	return( ld->ld_errno );
}
Ejemplo n.º 8
0
int
ldap_ld_free(
	LDAP *ld,
	int close,
	LDAPControl **sctrls,
	LDAPControl **cctrls )
{
	LDAPMessage	*lm, *next;
	int		err = LDAP_SUCCESS;
    LDAP_MUTEX_LOCK( &ld->ld_ldcmutex );
	/* Someone else is still using this ld. */
	if (ld->ld_ldcrefcnt > 1) {	/* but not last thread */
		/* clean up self only */
		ld->ld_ldcrefcnt--;
		if ( ld->ld_error != NULL ) {
			LDAP_FREE( ld->ld_error );
			ld->ld_error = NULL;
		}

		if ( ld->ld_matched != NULL ) {
			LDAP_FREE( ld->ld_matched );
			ld->ld_matched = NULL;
		}
		if ( ld->ld_referrals != NULL) {
			LDAP_VFREE(ld->ld_referrals);
			ld->ld_referrals = NULL;
		}  
		LDAP_MUTEX_UNLOCK( &ld->ld_ldcmutex );
		LDAP_FREE( (char *) ld );
		return( err );
	}

	/* This ld is the last thread. */

	/* free LDAP structure and outstanding requests/responses */
#ifdef LDAP_R_COMPILE
#ifdef __APPLE__
	/* If the ld is in async mode, this will stop the thread that's handling
	 * the results messages.  This *must* be done before anything is torn
	 * down to prevent the thread from using deallocated structs.  This is a
	 * blocking call; it won't exit until the thread exits.	 If not in
	 * async mode, this call does nothing.
	 */
	ldap_pvt_clear_search_results_callback( ld );
#endif
#endif
	LDAP_MUTEX_LOCK( &ld->ld_req_mutex );
	while ( ld->ld_requests != NULL ) {
		ldap_free_request( ld, ld->ld_requests );
	}
	LDAP_MUTEX_UNLOCK( &ld->ld_req_mutex );
	LDAP_MUTEX_LOCK( &ld->ld_conn_mutex );

	/* free and unbind from all open connections */
	while ( ld->ld_conns != NULL ) {
		ldap_free_connection( ld, ld->ld_conns, 1, close );
	}
	LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex );
	LDAP_MUTEX_LOCK( &ld->ld_res_mutex );

#ifdef LDAP_RESPONSE_RB_TREE
    ldap_resp_rbt_free( ld );
#else
	for ( lm = ld->ld_responses; lm != NULL; lm = next ) {
		next = lm->lm_next;
		ldap_msgfree( lm );
	}
#endif

	if ( ld->ld_abandoned != NULL ) {
		LDAP_FREE( ld->ld_abandoned );
		ld->ld_abandoned = NULL;
	}
	LDAP_MUTEX_UNLOCK( &ld->ld_res_mutex );
	LDAP_MUTEX_LOCK( &ld->ld_ldopts_mutex );

	/* final close callbacks */
	{
		ldaplist *ll, *next;

		for ( ll = ld->ld_options.ldo_conn_cbs; ll; ll = next ) {
			ldap_conncb *cb = ll->ll_data;
			next = ll->ll_next;
			cb->lc_del( ld, NULL, cb );
			LDAP_FREE( ll );
		}
	}

	if ( ld->ld_error != NULL ) {
		LDAP_FREE( ld->ld_error );
		ld->ld_error = NULL;
	}

	if ( ld->ld_matched != NULL ) {
		LDAP_FREE( ld->ld_matched );
		ld->ld_matched = NULL;
	}

	if ( ld->ld_referrals != NULL) {
		LDAP_VFREE(ld->ld_referrals);
		ld->ld_referrals = NULL;
	}  
    
	if ( ld->ld_selectinfo != NULL ) {
		ldap_free_select_info( ld->ld_selectinfo );
		ld->ld_selectinfo = NULL;
	}

	if ( ld->ld_options.ldo_defludp != NULL ) {
		ldap_free_urllist( ld->ld_options.ldo_defludp );
		ld->ld_options.ldo_defludp = NULL;
	}

#ifdef LDAP_CONNECTIONLESS
	if ( ld->ld_options.ldo_peer != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_peer );
		ld->ld_options.ldo_peer = NULL;
	}

	if ( ld->ld_options.ldo_cldapdn != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_cldapdn );
		ld->ld_options.ldo_cldapdn = NULL;
	}
#endif

#ifdef HAVE_CYRUS_SASL
	if ( ld->ld_options.ldo_def_sasl_mech != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_mech );
		ld->ld_options.ldo_def_sasl_mech = NULL;
	}

	if ( ld->ld_options.ldo_def_sasl_realm != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_realm );
		ld->ld_options.ldo_def_sasl_realm = NULL;
	}

	if ( ld->ld_options.ldo_def_sasl_authcid != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_authcid );
		ld->ld_options.ldo_def_sasl_authcid = NULL;
	}

	if ( ld->ld_options.ldo_def_sasl_authzid != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_def_sasl_authzid );
		ld->ld_options.ldo_def_sasl_authzid = NULL;
	}
#endif

#ifdef HAVE_TLS
	ldap_int_tls_destroy( &ld->ld_options );
#endif

	if ( ld->ld_options.ldo_sctrls != NULL ) {
		ldap_controls_free( ld->ld_options.ldo_sctrls );
		ld->ld_options.ldo_sctrls = NULL;
	}

	if ( ld->ld_options.ldo_cctrls != NULL ) {
		ldap_controls_free( ld->ld_options.ldo_cctrls );
		ld->ld_options.ldo_cctrls = NULL;
	}
	
	if ( ld->ld_options.ldo_sasl_secprops.property_names != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_sasl_secprops.property_names );
		ld->ld_options.ldo_sasl_secprops.property_names = NULL;
	}

	if ( ld->ld_options.ldo_sasl_secprops.property_values != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_sasl_secprops.property_values );
		ld->ld_options.ldo_sasl_secprops.property_values = NULL;
	}

	if ( ld->ld_options.ldo_sasl_fqdn != NULL ) {
		LDAP_FREE( ld->ld_options.ldo_sasl_fqdn );
		ld->ld_options.ldo_sasl_fqdn = NULL;
	}
    LDAP_MUTEX_UNLOCK( &ld->ld_ldopts_mutex );	
	ber_sockbuf_free( ld->ld_sb );   
   
#ifdef LDAP_R_COMPILE
	ldap_pvt_thread_mutex_destroy( &ld->ld_msgid_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_conn_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_req_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_res_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_abandon_mutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_ldopts_mutex );
	ldap_pvt_thread_mutex_unlock( &ld->ld_ldcmutex );
	ldap_pvt_thread_mutex_destroy( &ld->ld_ldcmutex );
#endif
#ifndef NDEBUG
	LDAP_TRASH(ld);
#endif
	LDAP_FREE( (char *) ld->ldc );
	LDAP_FREE( (char *) ld );
   
	return( err );
}