/* unbind.c - ldap backend unbind function */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/* This is an altered version */
-/*
- * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
- *
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- *
- * 1. The author is not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the documentation.
- *
- * 4. This notice may not be removed or altered.
- *
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
+ * Copyright 1999-2009 The OpenLDAP Foundation.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * Portions Copyright 2000-2003 Pierangelo Masarati.
+ * All rights reserved.
*
- * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
*
- * This software is being modified by Pierangelo Masarati.
- * The previously reported conditions apply to the modified code as well.
- * Changes in the original code are highlighted where required.
- * Credits for the original code go to the author, Howard Chu.
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
*/
#include "portable.h"
#include <stdio.h>
+#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/string.h>
int
ldap_back_conn_destroy(
- Backend *be,
- Connection *conn
+ Backend *be,
+ Connection *conn
)
{
- struct ldapinfo *li = (struct ldapinfo *) be->be_private;
- struct ldapconn *lc, lc_curr;
+ ldapinfo_t *li = (ldapinfo_t *) be->be_private;
+ ldapconn_t *lc = NULL, lc_curr;
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
- "ldap_back_conn_destroy: fetching conn %ld\n",
- conn->c_connid ));
-#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_TRACE,
"=>ldap_back_conn_destroy: fetching conn %ld\n",
conn->c_connid, 0, 0 );
-#endif /* !NEW_LOGGING */
- lc_curr.conn = conn;
+ lc_curr.lc_conn = conn;
- ldap_pvt_thread_mutex_lock( &li->conn_mutex );
- lc = avl_delete( &li->conntree, (caddr_t)&lc_curr, ldap_back_conn_cmp );
- ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
-
- if (lc) {
+ ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
+#if LDAP_BACK_PRINT_CONNTREE > 0
+ ldap_back_print_conntree( li, ">>> ldap_back_conn_destroy" );
+#endif /* LDAP_BACK_PRINT_CONNTREE */
+ while ( ( lc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)&lc_curr, ldap_back_conn_cmp ) ) != NULL )
+ {
+ assert( !LDAP_BACK_PCONN_ISPRIV( lc ) );
Debug( LDAP_DEBUG_TRACE,
- "=>ldap_back_conn_destroy: destroying conn %ld\n",
- lc->conn->c_connid, 0, 0 );
+ "=>ldap_back_conn_destroy: destroying conn %lu "
+ "refcnt=%d flags=0x%08x\n",
+ lc->lc_conn->c_connid, lc->lc_refcnt, lc->lc_lcflags );
-#ifdef ENABLE_REWRITE
- /*
- * Cleanup rewrite session
- */
- rewrite_session_delete( li->rwinfo, conn );
-#endif /* ENABLE_REWRITE */
+ if ( lc->lc_refcnt > 0 ) {
+ /* someone else might be accessing the connection;
+ * mark for deletion */
+ LDAP_BACK_CONN_CACHED_CLEAR( lc );
+ LDAP_BACK_CONN_TAINTED_SET( lc );
- /*
- * Needs a test because the handler may be corrupted,
- * and calling ldap_unbind on a corrupted header results
- * in a segmentation fault
- */
- ldap_unbind(lc->ld);
- if ( lc->bound_dn ) {
- free( lc->bound_dn );
+ } else {
+ ldap_back_conn_free( lc );
}
- free( lc );
}
-
- /* no response to unbind */
+#if LDAP_BACK_PRINT_CONNTREE > 0
+ ldap_back_print_conntree( li, "<<< ldap_back_conn_destroy" );
+#endif /* LDAP_BACK_PRINT_CONNTREE */
+ ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
return 0;
}
projects / openldap / blobdiff