windows-nt/Source/XPSP1/NT/inetsrv/iis/svcs/wam/object/isapidll.hxx
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name :
isapidll.hxx
Abstract:
This module declares all the classes and functions associated with
ISAPI Application DLLs
Author:
Murali R. Krishnan ( MuraliK ) 07-Feb-1997
Environment:
User Mode - Win32
Project:
W3 Services DLL
Revision History:
--*/
# ifndef _ISAPIDLL_HXX_
# define _ISAPIDLL_HXX_
/************************************************************
* Include Headers
************************************************************/
# include "isapi.hxx"
//
// If the request doesn't specify an entry point, default to using
// this
//
#define SE_DEFAULT_ENTRY "HttpExtensionProc"
#define SE_INIT_ENTRY "GetExtensionVersion"
#define SE_TERM_ENTRY "TerminateExtension"
/************************************************************
* Forward References
************************************************************/
class WAM;
/************************************************************
* Type Definitions
************************************************************/
/*++
class HSE_APPDLL:
Defines the class for the object containing information about an extension.
The Server extension sits in an application DLL and exports the standard
ISAPI (legacy) "C" entry points.
--*/
class HSE_APPDLL : public HSE_BASE
{
public:
HSE_APPDLL( const CHAR * pszModuleName,
HMODULE hMod,
PFN_HTTPEXTENSIONPROC pfnEntryPoint,
PFN_TERMINATEEXTENSION pfnTerminate,
BOOL fCache )
: HSE_BASE( pszModuleName, fCache),
_hMod ( hMod ),
_pfnEntryPoint( pfnEntryPoint ),
_pfnTerminate ( pfnTerminate ),
_hLastUser ( NULL )
{
//
// We expect the first call to GetFileSecurity to fail
//
if ( !LoadAcl() )
{
SetValid( FALSE);
}
}
~HSE_APPDLL(VOID);
virtual DWORD ExecuteRequest( IN WAM_EXEC_INFO * pWamExecInfo );
virtual BOOL Cleanup(VOID);
virtual BOOL IsMatch( IN const char * pchModuleName,
IN DWORD cchModuleName) const
{
return ( (cchModuleName == m_strModuleName.QueryCCH()) &&
#if 1 // DBCS enabling for ISAPI module Name
!lstrcmpi( pchModuleName, m_strModuleName.QueryStr())
#else
!_stricmp( pchModuleName, m_strModuleName.QueryStr())
#endif
);
}
BOOL LoadAcl( VOID );
DWORD Unload(VOID);
virtual BOOL AccessCheck( HANDLE hImpersonation,
BOOL fCacheImpersonation);
PFN_HTTPEXTENSIONPROC QueryEntryPoint( VOID ) const
{ return _pfnEntryPoint; }
PSECURITY_DESCRIPTOR QuerySecDesc( VOID ) const
{ return (PSECURITY_DESCRIPTOR) _buffSD.QueryPtr(); }
HMODULE QueryHMod( VOID ) const
{ return _hMod; }
HANDLE QueryLastSuccessfulUser( VOID ) const
{ return _hLastUser; }
VOID SetLastSuccessfulUser( HANDLE hLastUser )
{ _hLastUser = hLastUser; }
private:
PFN_HTTPEXTENSIONPROC _pfnEntryPoint;
PFN_TERMINATEEXTENSION _pfnTerminate;
HMODULE _hMod;
HANDLE _hLastUser; // Last successful access
BUFFER _buffSD; // Security descriptor on the DLL
WAM * _pWam;
public:
// loads an ISAPI app dll
static PHSE LoadModule( IN const char * pchModule,
IN HANDLE hImpersonation,
IN BOOL fCache);
}; // class HSE_APPDLL
typedef HSE_APPDLL * PHSE_APPDLL;
/************************************************************
* ISAPI Application DLL Specific Call back functions
************************************************************/
BOOL
WINAPI
GetServerVariable(
HCONN hConn,
LPSTR lpszVariableName,
LPVOID lpvBuffer,
LPDWORD lpdwSize
);
BOOL
WINAPI
WriteClient(
HCONN hConn,
LPVOID Buffer,
LPDWORD lpdwBytes,
DWORD dwReserved
);
BOOL
WINAPI
ReadClient(
HCONN hConn,
LPVOID Buffer,
LPDWORD lpdwBytes
);
BOOL
WINAPI
ServerSupportFunction(
HCONN hConn,
DWORD dwRequest,
LPVOID lpvBuffer,
LPDWORD lpdwSize,
LPDWORD lpdwDataType
);
# endif // _ISAPIDLL_HXX_
/************************ End of File ***********************/