+ if( op->orr_nnewSup ) {
+ dest_pndn = *op->orr_nnewSup;
+ } else {
+ dnParent( &op->o_req_ndn, &dest_pndn );
+ }
+ build_new_dn( &dest_ndn, &dest_pndn, &op->orr_nnewrdn, op->o_tmpmemctx );
+
+ diff = (ber_slen_t) dest_ndn.bv_len - (ber_slen_t) op->o_req_ndn.bv_len;
+ if ( diff > 0 ? dnIsSuffix( &dest_ndn, &op->o_req_ndn )
+ : diff < 0 && dnIsSuffix( &op->o_req_ndn, &dest_ndn ) )
+ {
+ send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+ diff > 0 ? "cannot place an entry below itself"
+ : "cannot place an entry above itself" );
+ goto cleanup;
+ }
+