1/*	$NetBSD: unbind.c,v 1.1.1.3 2010/12/12 15:23:07 adam Exp $	*/
2
3/* unbind.c - ldap backend unbind function */
4/* OpenLDAP: pkg/ldap/servers/slapd/back-ldap/unbind.c,v 1.33.2.7 2010/04/13 20:23:29 kurt Exp */
5/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 1999-2010 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
37int
38ldap_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