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unbind.c revision 1.1.1.1.8.2 
      1 /* unbind.c - ldap backend unbind function */
      2 /* $OpenLDAP: pkg/ldap/servers/slapd/back-ldap/unbind.c,v 1.33.2.4 2008/02/11 23:26:46 kurt Exp $ */
      3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      4  *
      5  * Copyright 1999-2008 The OpenLDAP Foundation.
      6  * Portions Copyright 1999-2003 Howard Chu.
      7  * Portions Copyright 2000-2003 Pierangelo Masarati.
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted only as authorized by the OpenLDAP
     12  * Public License.
     13  *
     14  * A copy of this license is available in the file LICENSE in the
     15  * top-level directory of the distribution or, alternatively, at
     16  * <http://www.OpenLDAP.org/license.html>.
     17  */
     18 /* ACKNOWLEDGEMENTS:
     19  * This work was initially developed by the Howard Chu for inclusion
     20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
     21  * Masarati.
     22  */
     23 
     24 #include "portable.h"
     25 
     26 #include <stdio.h>
     27 
     28 #include <ac/errno.h>
     29 #include <ac/socket.h>
     30 #include <ac/string.h>
     31 
     32 #include "slap.h"
     33 #include "back-ldap.h"
     34 
     35 int
     36 ldap_back_conn_destroy(
     37 		Backend		*be,
     38 		Connection	*conn
     39 )
     40 {
     41 	ldapinfo_t	*li = (ldapinfo_t *) be->be_private;
     42 	ldapconn_t	*lc = NULL, lc_curr;
     43 
     44 	Debug( LDAP_DEBUG_TRACE,
     45 		"=>ldap_back_conn_destroy: fetching conn %ld\n",
     46 		conn->c_connid, 0, 0 );
     47 
     48 	lc_curr.lc_conn = conn;
     49 
     50 	ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
     51 #if LDAP_BACK_PRINT_CONNTREE > 0
     52 	ldap_back_print_conntree( li, ">>> ldap_back_conn_destroy" );
     53 #endif /* LDAP_BACK_PRINT_CONNTREE */
     54 	while ( ( lc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)&lc_curr, ldap_back_conn_cmp ) ) != NULL )
     55 	{
     56 		Debug( LDAP_DEBUG_TRACE,
     57 			"=>ldap_back_conn_destroy: destroying conn %ld "
     58 			"refcnt=%d flags=0x%08x\n",
     59 			LDAP_BACK_PCONN_ID( lc ),
     60 			lc->lc_refcnt, lc->lc_lcflags );
     61 
     62 		if ( lc->lc_refcnt > 0 ) {
     63 			/* someone else might be accessing the connection;
     64 			 * mark for deletion */
     65 			LDAP_BACK_CONN_CACHED_CLEAR( lc );
     66 			LDAP_BACK_CONN_TAINTED_SET( lc );
     67 
     68 		} else {
     69 			ldap_back_conn_free( lc );
     70 		}
     71 	}
     72 #if LDAP_BACK_PRINT_CONNTREE > 0
     73 	ldap_back_print_conntree( li, "<<< ldap_back_conn_destroy" );
     74 #endif /* LDAP_BACK_PRINT_CONNTREE */
     75 	ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
     76 
     77 	return 0;
     78 }
     79