+ if ( op->orr_newSup ) {
+ /* needs LDAPv3 */
+ switch ( li->li_version ) {
+ case LDAP_VERSION3:
+ break;
+
+ case 0:
+ if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
+ break;
+ }
+ /* fall thru */
+
+ default:
+ /* op->o_protocol cannot be anything but LDAPv3,
+ * otherwise wouldn't be here */
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+ newSup = op->orr_newSup->bv_val;
+ }
+
+ /* NOTE: we need to copy the newRDN in case it was formed
+ * from a DN by simply changing the length (ITS#5397) */
+ newrdn = op->orr_newrdn;
+ if ( newrdn.bv_val[ newrdn.bv_len ] != '\0' ) {
+ ber_dupbv_x( &newrdn, &op->orr_newrdn, op->o_tmpmemctx );
+ }
+
+retry:
+ ctrls = op->o_ctrls;
+ rc = ldap_back_controls_add( op, rs, lc, &ctrls );
+ if ( rc != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ rc = -1;
+ goto cleanup;
+ }
+
+ rs->sr_err = ldap_rename( lc->lc_ld, op->o_req_dn.bv_val,
+ newrdn.bv_val, newSup,
+ op->orr_deleteoldrdn, ctrls, NULL, &msgid );
+ rc = ldap_back_op_result( lc, op, rs, msgid,
+ li->li_timeout[ SLAP_OP_MODRDN ],
+ ( LDAP_BACK_SENDRESULT | retrying ) );
+ if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
+ retrying &= ~LDAP_BACK_RETRYING;
+ if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
+ /* if the identity changed, there might be need to re-authz */
+ (void)ldap_back_controls_free( op, rs, &ctrls );
+ goto retry;
+ }
+ }
+
+cleanup:
+ (void)ldap_back_controls_free( op, rs, &ctrls );
+
+ if ( newrdn.bv_val != op->orr_newrdn.bv_val ) {
+ op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx );