git.sur5r.net Git - openldap/blob - 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 1999-2004 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, lc_curr;
  42
  43 #ifdef NEW_LOGGING
  44         LDAP_LOG( BACK_LDAP, INFO,
  45                 "ldap_back_conn_destroy: fetching conn %ld\n", conn->c_connid, 0, 0 );
  46 #else /* !NEW_LOGGING */
  47         Debug( LDAP_DEBUG_TRACE,
  48                 "=>ldap_back_conn_destroy: fetching conn %ld\n",
  49                 conn->c_connid, 0, 0 );
  50 #endif /* !NEW_LOGGING */
  51
  52         lc_curr.conn = conn;
  53         lc_curr.local_dn = conn->c_ndn;
  54
  55         ldap_pvt_thread_mutex_lock( &li->conn_mutex );
  56         lc = avl_delete( &li->conntree, (caddr_t)&lc_curr, ldap_back_conn_cmp );
  57         ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
  58
  59         if (lc) {
  60 #ifdef NEW_LOGGING
  61                 LDAP_LOG( BACK_LDAP, DETAIL1,
  62                         "ldap_back_conn_destroy: destroying conn %ld\n",
  63                         conn->c_connid, 0, 0 );
  64 #else /* !NEW_LOGGING */
  65                 Debug( LDAP_DEBUG_TRACE,
  66                         "=>ldap_back_conn_destroy: destroying conn %ld\n",
  67                         lc->conn->c_connid, 0, 0 );
  68 #endif
  69
  70 #ifdef ENABLE_REWRITE
  71                 /*
  72                  * Cleanup rewrite session
  73                  */
  74                 rewrite_session_delete( li->rwmap.rwm_rw, conn );
  75 #endif /* ENABLE_REWRITE */
  76
  77                 /*
  78                  * Needs a test because the handler may be corrupted,
  79                  * and calling ldap_unbind on a corrupted header results
  80                  * in a segmentation fault
  81                  */
  82                 ldap_back_conn_free( lc );
  83         }
  84
  85         /* no response to unbind */
  86
  87         return 0;
  88 }