1 files changed, 84 insertions, 0 deletions
diff --git a/servers/slapd/back-bdb/dn2entry.c b/servers/slapd/back-bdb/dn2entry.c
new file mode 100644
index 0000000..2213fe9
--- /dev/null
+++ b/servers/slapd/back-bdb/dn2entry.c
@@ -0,0 +1,84 @@
+/* dn2entry.c - routines to deal with the dn2id / id2entry glue */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2021 The OpenLDAP Foundation.
+ * 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>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <ac/string.h>
+
+#include "back-bdb.h"
+
+/*
+ * dn2entry - look up dn in the cache/indexes and return the corresponding
+ * entry. If the requested DN is not found and matched is TRUE, return info
+ * for the closest ancestor of the DN. Otherwise e is NULL.
+ */
+
+int
+bdb_dn2entry(
+	Operation *op,
+	DB_TXN *tid,
+	struct berval *dn,
+	EntryInfo **e,
+	int matched,
+	DB_LOCK *lock )
+{
+	EntryInfo *ei = NULL;
+	int rc, rc2;
+
+	Debug(LDAP_DEBUG_TRACE, "bdb_dn2entry(\"%s\")\n",
+		dn->bv_val, 0, 0 );
+
+	*e = NULL;
+
+	rc = bdb_cache_find_ndn( op, tid, dn, &ei );
+	if ( rc ) {
+		if ( matched && rc == DB_NOTFOUND ) {
+			/* Set the return value, whether we have its entry
+			 * or not.
+			 */
+			*e = ei;
+			if ( ei && ei->bei_id ) {
+				rc2 = bdb_cache_find_id( op, tid, ei->bei_id,
+					&ei, ID_LOCKED, lock );
+				if ( rc2 ) rc = rc2;
+			} else if ( ei ) {
+				bdb_cache_entryinfo_unlock( ei );
+				memset( lock, 0, sizeof( *lock ));
+				lock->mode = DB_LOCK_NG;
+			}
+		} else if ( ei ) {
+			bdb_cache_entryinfo_unlock( ei );
+		}
+	} else {
+		rc = bdb_cache_find_id( op, tid, ei->bei_id, &ei, ID_LOCKED,
+			lock );
+		if ( rc == 0 ) {
+			*e = ei;
+		} else if ( matched && rc == DB_NOTFOUND ) {
+			/* always return EntryInfo */
+			if ( ei->bei_parent ) {
+				ei = ei->bei_parent;
+				rc2 = bdb_cache_find_id( op, tid, ei->bei_id, &ei, 0,
+					lock );
+				if ( rc2 ) rc = rc2;
+			}
+			*e = ei;
+		}
+	}
+
+	return rc;
+}