Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 89 insertions, 0 deletions

diff --git a/servers/slapd/back-meta/unbind.c b/servers/slapd/back-meta/unbind.c
new file mode 100644
index 0000000..4e363de
--- /dev/null
+++ b/servers/slapd/back-meta/unbind.c
@@ -0,0 +1,89 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 The OpenLDAP Foundation.
+ * Portions Copyright 2001-2003 Pierangelo Masarati.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * 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>
+
+#include "slap.h"
+#include "../back-ldap/back-ldap.h"
+#include "back-meta.h"
+
+int
+meta_back_conn_destroy(
+	Backend		*be,
+	Connection	*conn )
+{
+	metainfo_t	*mi = ( metainfo_t * )be->be_private;
+	metaconn_t	*mc,
+			mc_curr = {{ 0 }};
+	int		i;
+
+
+	Debug( LDAP_DEBUG_TRACE,
+		"=>meta_back_conn_destroy: fetching conn=%ld DN=\"%s\"\n",
+		conn->c_connid,
+		BER_BVISNULL( &conn->c_ndn ) ? "" : conn->c_ndn.bv_val, 0 );
+	
+	mc_curr.mc_conn = conn;
+	
+	ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+#if META_BACK_PRINT_CONNTREE > 0
+	meta_back_print_conntree( mi, ">>> meta_back_conn_destroy" );
+#endif /* META_BACK_PRINT_CONNTREE */
+	while ( ( mc = avl_delete( &mi->mi_conninfo.lai_tree, ( caddr_t )&mc_curr, meta_back_conn_cmp ) ) != NULL )
+	{
+		assert( !LDAP_BACK_PCONN_ISPRIV( mc ) );
+		Debug( LDAP_DEBUG_TRACE,
+			"=>meta_back_conn_destroy: destroying conn %lu "
+			"refcnt=%d flags=0x%08x\n",
+			mc->mc_conn->c_connid, mc->mc_refcnt, mc->msc_mscflags );
+		
+		if ( mc->mc_refcnt > 0 ) {
+			/* someone else might be accessing the connection;
+			 * mark for deletion */
+			LDAP_BACK_CONN_CACHED_CLEAR( mc );
+			LDAP_BACK_CONN_TAINTED_SET( mc );
+
+		} else {
+			meta_back_conn_free( mc );
+		}
+	}
+#if META_BACK_PRINT_CONNTREE > 0
+	meta_back_print_conntree( mi, "<<< meta_back_conn_destroy" );
+#endif /* META_BACK_PRINT_CONNTREE */
+	ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+
+	/*
+	 * Cleanup rewrite session
+	 */
+	for ( i = 0; i < mi->mi_ntargets; ++i ) {
+		rewrite_session_delete( mi->mi_targets[ i ]->mt_rwmap.rwm_rw, conn );
+	}
+
+	return 0;
+}
+