//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000-2017 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc.  All rights
// reserved.
// 
// This program is free software.  The contents of this file are subject
// to the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.  You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
// 
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE.  Please see the GNU General Public License
// for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
// 
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
///////////////////////////////////////////////////////////////////////////////
// policyupdate.h
//
#ifndef __POLICYUPDATE_H
#define __POLICYUPDATE_H

#ifndef __FCOSPECLIST_H
#include "fco/fcospeclist.h"
#endif
#ifndef __HIERDATABASE_H
#include "db/hierdatabase.h"
#endif
#ifndef __FCOGENRE_H
#include "fco/fcogenre.h"
#endif

class cErrorBucket;


////////////////////////////////////////////////////////////
// Policy Update Exceptions
////////////////////////////////////////////////////////////
TSS_EXCEPTION( ePolicyUpdate,           eError );
TSS_EXCEPTION( ePolicyUpdateAddedFCO,   ePolicyUpdate );
TSS_EXCEPTION( ePolicyUpdateRemovedFCO, ePolicyUpdate );
TSS_EXCEPTION( ePolicyUpdateChangedFCO, ePolicyUpdate );

class cPolicyUpdate
{
public:
    cPolicyUpdate(  cGenre::Genre genreNum, const cFCOSpecList& oldPolicy, const cFCOSpecList& newPolicy,
                    cHierDatabase& db, cErrorBucket* pBucket );

    bool Execute( uint32 flags = 0 ) ; // throw (eError)
        // if false is returned, then there was at least one conflict that came up during the policy
        // update, and if tripwire was run in secure mode then the policy update should fail. 

    enum Flags
    {
        FLAG_SECURE_MODE        = 0x00000001,   // if this is set, then we're in pedantic mode. This affects whether error
                                                // messages appear as "Error" or "Warning"
        FLAG_ERASE_FOOTPRINTS_PU= 0x00000002,
            // when this flag is set, cPolicyUpdate will attempt undo any inadvertant modifications
            // it may make when executing.
        
        FLAG_DIRECT_IO          = 0x00000004
            // Use direct i/o when scanning files
    };

private:
    const cFCOSpecList& mOldPolicy;
    const cFCOSpecList& mNewPolicy;
    cHierDatabase&      mDb;
    cGenre::Genre       mGenre;
    cErrorBucket*       mpBucket;
};

#endif //__POLICYUPDATE_H