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1 720 jeremybenn
-- CA110041.A
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--
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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--     this public release, the Government intends to confer upon all
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--     recipients unlimited rights  equal to those held by the Government.
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--     These rights include rights to use, duplicate, release or disclose the
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--     released technical data and computer software in whole or in part, in
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--     any manner and for any purpose whatsoever, and to have or permit others
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- OBJECTIVE:
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--      See CA110042.AM
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--
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-- TEST DESCRIPTION:
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--      See CA110042.AM
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--
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-- TEST FILES:
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--      The following files comprise this test:
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--
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--         CA110040.A
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--      => CA110041.A
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--         CA110042.AM
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--
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-- CHANGE HISTORY:
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--      06 Dec 94   SAIC    ACVC 2.0
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--      26 Apr 96   SAIC    ACVC 2.1: Modified prologue.
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--
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--!
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package CA110040.CA110041 is         -- Child Package Computer_System.Manager
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   type User_Account is new Account with private;
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   procedure Initialize_User_Account (Acct : out User_Account);
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private
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-- The private portion of this spec demonstrates that components contained
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-- in the visible part of the parent are directly visible in the private
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-- part of a public child.
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   type Account_Access_Type is (None, Guest, User, System);
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   type User_Account is new Account with                   -- Parent type.
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      record
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         Privilege : Account_Access_Type := None;
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      end record;
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   System_Account : User_Account :=
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     (User_ID   => Administrator_Account.User_ID,          -- Parent constant.
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      Privilege => System);                                -- User_ID has been
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                                                           -- set to 1.
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   Auditor_Account : User_Account :=
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     (User_ID   => Next_Available_ID,                      -- Parent function.
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      Privilege => System);                                -- User_ID has been
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                                                           -- set to 2.
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   Total_Authorized_Accounts : System_Account_Capacity
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     renames Total_Accounts;                               -- Parent object.
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   Unauthorized_Account : exception
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     renames Illegal_Account;                              -- Parent exception
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end CA110040.CA110041;             -- Child Package Computer_System.Manager
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     --=================================================================--
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                                 -- Child Package body Computer_System.Manager
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package body CA110040.CA110041 is
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   function  Account_Limit_Reached  return Boolean is
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   begin
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      if Total_Authorized_Accounts = Maximum_System_Accounts then
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         return (True);
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      else
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         return (False);
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      end if;
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   end Account_Limit_Reached;
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   ---------------------------------------------------------------
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   function Valid_Account (Acct : User_Account) return Boolean is
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      Result : Boolean := False;
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   begin
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      if (Acct.User_ID /= System_Account.User_ID) and
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         (Acct.User_ID /= Auditor_Account.User_ID)
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      then
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         Result := True;
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      end if;
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      return (Result);
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   end Valid_Account;
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   ---------------------------------------------------------------
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   procedure Initialize_User_Account (Acct : out User_Account) is
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   begin
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      if Account_Limit_Reached then
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         raise Account_Limit_Exceeded;
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      else
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         Acct.User_ID := Next_Available_ID;
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         Acct.Privilege := User;
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      end if;
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      if not Valid_Account (Acct) then
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         raise Unauthorized_Account;
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      end if;
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   end Initialize_User_Account;
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end CA110040.CA110041;          -- Child Package body Computer_System.Manager

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