/*----------------------------------------------------------------------
--  User rules for package Enclave.StartAdminActivity.
--
--  File name: startadminactivity.rlu
--
--  Description:
--    Package rule file.
--
--  Author: Phil Thornley, April 2009.  See www.sparksure.com
--
-- Copyright (c) 2009, Phil Thornley
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
--
--  * Redistributions of source code must retain the above copyright
--    notice, this list of conditions and the following disclaimer.
--
--  * Redistributions in binary form must reproduce the above copyright
--    notice, this list of conditions and the following disclaimer in
--    the documentation and/or other materials provided with the distribution.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------*/


/*----------------------------------------------------------------------
--  Rule 1
--
--  Justification:
--    The specification of Admin.OpIsAvailable is:
--      function OpIsAvailable (TheAdmin : T;
--                              KeyedOp  : Keyboard.DataT) return OpAndNullT;
--      --# pre IsPresent(TheAdmin);
--      --# return R => (R /= NullOp -> (R = OverrideLock <->
--      --#                                prf_rolePresent(TheAdmin) = PrivTypes.Guard));
----------------------------------------------------------------------*/
startadminactivity_user(1): admin__opisavailable(A, K) <> admin__nullop ->
                              (admin__opisavailable(A, K) = admin__overridelock <->
                                 admin__prf_rolepresent(A) = privtypes__guard)
                            may_be_deduced_from
                            [ admin__ispresent(A) ] .
