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fix controls run-time registered by global overlays (kludge non longer required?)
[openldap] / servers / slapd / back-ldap / unbind.c
1 /* unbind.c - ldap backend unbind function */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 1999-2005 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/socket.h>
29 #include <ac/string.h>
30
31 #include "slap.h"
32 #include "back-ldap.h"
33
34 int
35 ldap_back_conn_destroy(
36                 Backend         *be,
37                 Connection      *conn
38 )
39 {
40         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
41         struct ldapconn *lc = NULL, lc_curr;
42
43         Debug( LDAP_DEBUG_TRACE,
44                 "=>ldap_back_conn_destroy: fetching conn %ld\n",
45                 conn->c_connid, 0, 0 );
46
47         lc_curr.lc_conn = conn;
48         lc_curr.lc_local_ndn = conn->c_ndn;
49         
50         ldap_pvt_thread_mutex_lock( &li->conn_mutex );
51         lc = avl_delete( &li->conntree, (caddr_t)&lc_curr, ldap_back_conn_cmp );
52         ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
53
54         if ( lc ) {
55                 Debug( LDAP_DEBUG_TRACE,
56                         "=>ldap_back_conn_destroy: destroying conn %ld\n",
57                         lc->lc_conn->c_connid, 0, 0 );
58
59                 /*
60                  * Needs a test because the handler may be corrupted,
61                  * and calling ldap_unbind on a corrupted header results
62                  * in a segmentation fault
63                  */
64                 ldap_back_conn_free( lc );
65         }
66
67         /* no response to unbind */
68
69         return 0;
70 }