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unbind.c revision 1.1.1.4 
      1 /*	$NetBSD: unbind.c,v 1.1.1.4 2014/05/28 09:58:49 tron Exp $	*/
      2 
      3 /* unbind.c - ldap backend unbind function */
      4 /* $OpenLDAP$ */
      5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      6  *
      7  * Copyright 1999-2014 The OpenLDAP Foundation.
      8  * Portions Copyright 1999-2003 Howard Chu.
      9  * Portions Copyright 2000-2003 Pierangelo Masarati.
     10  * All rights reserved.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted only as authorized by the OpenLDAP
     14  * Public License.
     15  *
     16  * A copy of this license is available in the file LICENSE in the
     17  * top-level directory of the distribution or, alternatively, at
     18  * <http://www.OpenLDAP.org/license.html>.
     19  */
     20 /* ACKNOWLEDGEMENTS:
     21  * This work was initially developed by the Howard Chu for inclusion
     22  * in OpenLDAP Software and subsequently enhanced by Pierangelo
     23  * Masarati.
     24  */
     25 
     26 #include "portable.h"
     27 
     28 #include <stdio.h>
     29 
     30 #include <ac/errno.h>
     31 #include <ac/socket.h>
     32 #include <ac/string.h>
     33 
     34 #include "slap.h"
     35 #include "back-ldap.h"
     36 
     37 int
     38 ldap_back_conn_destroy(
     39 		Backend		*be,
     40 		Connection	*conn
     41 )
     42 {
     43 	ldapinfo_t	*li = (ldapinfo_t *) be->be_private;
     44 	ldapconn_t	*lc = NULL, lc_curr;
     45 
     46 	Debug( LDAP_DEBUG_TRACE,
     47 		"=>ldap_back_conn_destroy: fetching conn %ld\n",
     48 		conn->c_connid, 0, 0 );
     49 
     50 	lc_curr.lc_conn = conn;
     51 
     52 	ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
     53 #if LDAP_BACK_PRINT_CONNTREE > 0
     54 	ldap_back_print_conntree( li, ">>> ldap_back_conn_destroy" );
     55 #endif /* LDAP_BACK_PRINT_CONNTREE */
     56 	while ( ( lc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)&lc_curr, ldap_back_conn_cmp ) ) != NULL )
     57 	{
     58 		assert( !LDAP_BACK_PCONN_ISPRIV( lc ) );
     59 		Debug( LDAP_DEBUG_TRACE,
     60 			"=>ldap_back_conn_destroy: destroying conn %lu "
     61 			"refcnt=%d flags=0x%08x\n",
     62 			lc->lc_conn->c_connid, lc->lc_refcnt, lc->lc_lcflags );
     63 
     64 		if ( lc->lc_refcnt > 0 ) {
     65 			/* someone else might be accessing the connection;
     66 			 * mark for deletion */
     67 			LDAP_BACK_CONN_CACHED_CLEAR( lc );
     68 			LDAP_BACK_CONN_TAINTED_SET( lc );
     69 
     70 		} else {
     71 			ldap_back_conn_free( lc );
     72 		}
     73 	}
     74 #if LDAP_BACK_PRINT_CONNTREE > 0
     75 	ldap_back_print_conntree( li, "<<< ldap_back_conn_destroy" );
     76 #endif /* LDAP_BACK_PRINT_CONNTREE */
     77 	ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
     78 
     79 	return 0;
     80 }
     81