SecurityManager.hpp

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/******************************************************************************/
/* REXX Kernel                                                                */
/*                                                                            */
/* Primitive Rexx security manager reference                                  */
/*                                                                            */
/******************************************************************************/
#ifndef SecurityManager_Included
#define SecurityManager_Included
 
#include "RexxCore.h"
#include "ProtectedObject.hpp"
 
class RexxDirectory;
 
class SecurityManager : public RexxInternalObject
{
public:
    inline void *operator new(size_t, void *ptr) {return ptr;}
    inline void  operator delete(void *, void *) {;}
    void *operator new(size_t);
    inline void  operator delete(void *) {;}
 
    SecurityManager(RexxObject *m);
    inline SecurityManager(RESTORETYPE restoreType) { ; };
 
    void         live(size_t);
    void         liveGeneral(int reason);
    RexxObject  *checkLocalAccess(RexxString *index);
    RexxObject  *checkEnvironmentAccess(RexxString *index);
    bool         checkProtectedMethod(RexxObject *target, RexxString *messageName, size_t count, size_t named_count, RexxObject **arguments, ProtectedObject &result);
    bool         checkFunctionCall(RexxString *functionName, size_t count, size_t named_count, RexxObject **arguments, ProtectedObject &result);
    bool         checkCommand(RexxActivity *, RexxString *address, RexxString *command, ProtectedObject &result, ProtectedObject &condition);
    RexxObject  *checkStreamAccess(RexxString *name);
    RexxString  *checkRequiresAccess(RexxString *name, RexxObject *&securityManager);
 
    inline bool  isManaged() {return manager != OREF_NULL;}
 
protected:
    bool         callSecurityManager(RexxString *methodName, RexxDirectory *arguments);
 
    RexxObject *manager;       // the wrappered manager object
    // Boolean indicators for optimization.
    // They will be true if the corresponding method exists on the manager when the security manager is created.
    // Later, the corresponding message will be sent only when the indicator is true.
    bool supportCall;
    bool supportCommand;
    bool supportEnvironment;
    bool supportLocal;
    bool supportMethod;
    bool supportRequires;
    bool supportStream;
};
 
#endif