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-rw-r--r--servers/slapd/back-mdb/dn2entry.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/servers/slapd/back-mdb/dn2entry.c b/servers/slapd/back-mdb/dn2entry.c
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--- /dev/null
+++ b/servers/slapd/back-mdb/dn2entry.c
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+/* dn2entry.c - routines to deal with the dn2id / id2entry glue */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2022 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-mdb.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
+mdb_dn2entry(
+ Operation *op,
+ MDB_txn *tid,
+ MDB_cursor *m2,
+ struct berval *dn,
+ Entry **e,
+ ID *nsubs,
+ int matched )
+{
+ struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
+ int rc, rc2;
+ ID id = NOID;
+ struct berval mbv, nmbv;
+ MDB_cursor *mc;
+
+ Debug(LDAP_DEBUG_TRACE, "mdb_dn2entry(\"%s\")\n",
+ dn->bv_val ? dn->bv_val : "" );
+
+ *e = NULL;
+
+ rc = mdb_dn2id( op, tid, m2, dn, &id, nsubs, &mbv, &nmbv );
+ if ( rc ) {
+ if ( matched ) {
+ rc2 = mdb_cursor_open( tid, mdb->mi_id2entry, &mc );
+ if ( rc2 == MDB_SUCCESS ) {
+ rc2 = mdb_id2entry( op, mc, id, e );
+ mdb_cursor_close( mc );
+ }
+ }
+
+ } else {
+ rc = mdb_cursor_open( tid, mdb->mi_id2entry, &mc );
+ if ( rc == MDB_SUCCESS ) {
+ rc = mdb_id2entry( op, mc, id, e );
+ mdb_cursor_close(mc);
+ }
+ }
+ if ( *e ) {
+ (*e)->e_name = mbv;
+ if ( rc == MDB_SUCCESS )
+ ber_dupbv_x( &(*e)->e_nname, dn, op->o_tmpmemctx );
+ else
+ ber_dupbv_x( &(*e)->e_nname, &nmbv, op->o_tmpmemctx );
+ } else {
+ op->o_tmpfree( mbv.bv_val, op->o_tmpmemctx );
+ }
+
+ return rc;
+}