Source code of Windows XP (NT5)
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#ifndef _WIN2KPROPAGATELAYER_H
#define _WIN2KPROPAGATELAYER_H
#ifdef __cplusplus
extern "C" {
#endif
#include "nt.h"
#include "ntrtl.h"
#include "nturtl.h"
#include "zwapi.h"
#ifdef __cplusplus
}
#endif
#define SHIM_LIB_BUILD_FLAG
#include "vdmdbg.h"
#include "stddef.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "wownt32.h"
#ifdef __cplusplus
}
#endif
//
// WINUSERP defines TAG type which conflicts
// with the definition available in shimdb.h
// we define it inside the separate namespace
// avoiding any conflicts
//
namespace NSWOWUSERP {
#ifdef __cplusplus
extern "C" {
#endif
#include "winuserp.h"
#include "wowuserp2k.h"
#ifdef __cplusplus
}
#endif
}
typedef ULONG_PTR (WINAPI *_pfn_UserRegisterWowHandlers)(NSWOWUSERP::APFNWOWHANDLERSIN apfnWowIn,
NSWOWUSERP::APFNWOWHANDLERSOUT apfnWowOut);
/////////////////////////////////////////////////////////////////////////////
//
// 16-bit TDB structure, stolen from base\mvdm\inc\tdb16.h
// Keep this in-sync
//
/*
* Task Data Block - 16 Bit Kernel Data Structure
*
* Contains all 16 bit task specific data.
*
*/
#define numTaskInts 7
#define THUNKELEM 8 // (62*8) = 512-16 (low arena overhead)
#define THUNKSIZE 8
#pragma pack(2)
typedef struct TDB { /* tdb16 */
WORD TDB_next ; // next task in dispatch queue
WORD TDB_taskSP ; // Saved SS:SP for this task
WORD TDB_taskSS ; //
WORD TDB_nEvents ; // Task event counter
BYTE TDB_priority ; // Task priority (0 is highest)
BYTE TDB_thread_ordinal ; // ordinal number of this thread
WORD TDB_thread_next ; // next thread
WORD TDB_thread_tdb ; // the real TDB for this task
WORD TDB_thread_list ; // list of allocated thread structures
WORD TDB_thread_free ; // free list of availble thread structures
WORD TDB_thread_count ; // total count of tread structures
WORD TDB_FCW ; // Floating point control word
BYTE TDB_flags ; // Task flags
BYTE TDB_filler ; // keep word aligned
WORD TDB_ErrMode ; // Error mode for this task
WORD TDB_ExpWinVer ; // Expected Windows version for this task
WORD TDB_Module ; // Task module handle to free in killtask
WORD TDB_pModule ; // Pointer to the module database.
WORD TDB_Queue ; // Task Event Queue pointer
WORD TDB_Parent ; // TDB of the task that started this up
WORD TDB_SigAction ; // Action for app task signal
DWORD TDB_ASignalProc ; // App's Task Signal procedure address
DWORD TDB_USignalProc ; // User's Task Signal procedure address
DWORD TDB_GNotifyProc ; // Task global discard notify proc.
DWORD TDB_INTVECS[numTaskInts] ; // Task specfic harare interrupts
WORD TDB_CompatFlags ; // Compatibility flags
WORD TDB_CompatFlags2 ; // Upper 16 bits
WORD TDB_CompatHandle ; // for dBase bug
WORD TDB_WOWCompatFlagsEx ; // More WOW Compatibility flags
WORD TDB_WOWCompatFlagsEx2 ; // Upper 16 bits
BYTE TDB_Free[3] ; // Filler to keep TDB size unchanged
BYTE TDB_cLibrary ; // tracks add/del of ALL libs in system EMS
DWORD TDB_PHT ; // (HANDLE:OFFSET) to private handle table
WORD TDB_PDB ; // MSDOS Process Data Block (PDB)
DWORD TDB_DTA ; // MSDOS Disk Transfer Address
BYTE TDB_Drive ; // MSDOS current drive
BYTE TDB_Directory[65] ; // *** not used starting with win95
WORD TDB_Validity ; // initial AX to be passed to a task
WORD TDB_Yield_to ; // DirectedYield arg stored here
WORD TDB_LibInitSeg ; // segment address of libraries to init
WORD TDB_LibInitOff ; // MakeProcInstance thunks live here.
WORD TDB_MPI_Sel ; // Code selector for thunks
WORD TDB_MPI_Thunks[((THUNKELEM*THUNKSIZE)/2)]; //
BYTE TDB_ModName[8] ; // Name of Module.
WORD TDB_sig ; // Signature word to detect bogus code
DWORD TDB_ThreadID ; // 32-Bit Thread ID for this Task (use TDB_Filler Above)
DWORD TDB_hThread ; // 32-bit Thread Handle for this task
WORD TDB_WOWCompatFlags; // WOW Compatibility flags
WORD TDB_WOWCompatFlags2; // WOW Compatibility flags
#ifdef FE_SB
WORD TDB_WOWCompatFlagsJPN; // WOW Compatibility flags for JAPAN
WORD TDB_WOWCompatFlagsJPN2; // WOW Compatibility flags for JAPAN
#endif // FE_SB
DWORD TDB_vpfnAbortProc; // printer AbortProc
BYTE TDB_LFNDirectory[260]; // Long directory name
} TDB;
typedef TDB UNALIGNED *PTDB;
// This bit is defined for the TDB_Drive field
#define TDB_DIR_VALID 0x80
#define TDB_SIGNATURE 0x4454
#define TDBF_OS2APP 0x8
#define TDBF_WINOLDAP 0x1
// NOTE TDB_ThreadID MUST be DWORD aligned or else it will fail on MIPS
#pragma pack()
/////////////////////////////////////////////////////////////////////////////
//
// DOSPDB structure, stolen from base\mvdm\inc\doswow.h
//
//
#pragma pack(1)
typedef struct _DOSPDB { // DOS Process Data Block
CHAR PDB_Not_Interested[44]; // Fields we are not interested in
USHORT PDB_environ; // segment of environment
DWORD PDB_User_stack;
USHORT PDB_JFN_Length; // JFT length
ULONG PDB_JFN_Pointer; // JFT pointer
} DOSPDB, *PDOSPDB;
#pragma pack()
///////////////////////////////////////////////////////////////////////////////
//
//
// Variables and functions that are local to this project
//
//
// defined in wowprocesshistory.cpp
//
extern CHAR g_szCompatLayerVar[];
extern CHAR g_szProcessHistoryVar[];
extern CHAR g_szShimFileLogVar[];
extern WCHAR g_wszCompatLayerVar[];
extern BOOL g_bIsNTVDM;
extern BOOL g_bIsExplorer;
extern WCHAR* g_pwszCompatLayer;
//
// Function in Win2kPropagateLayer that allows us to create env from wow data
//
LPVOID
ShimCreateWowEnvironment_U(
LPVOID lpEnvironment, // pointer to the existing environment
DWORD* lpdwFlags, // process creation flags
BOOL bNewEnvironment // when set, forces us to clone environment ptr
);
//
// functions in environment.cpp
//
PSZ
ShimFindEnvironmentVar(
PSZ pszName,
PSZ pszEnv,
PSZ* ppszVal
);
DWORD
ShimGetEnvironmentSize(
PSZ pszEnv,
LPDWORD pStrCount
);
DWORD
ShimGetEnvironmentSize(
WCHAR* pwszEnv,
LPDWORD pStrCount
);
NTSTATUS
ShimCloneEnvironment(
LPVOID* ppEnvOut,
LPVOID lpEnvironment,
BOOL bUnicode
);
NTSTATUS
ShimFreeEnvironment(
LPVOID lpEnvironment
);
NTSTATUS
ShimSetEnvironmentVar(
LPVOID* ppEnvironment,
WCHAR* pwszVarName,
WCHAR* pwszVarValue
);
//
// stuff in wowtask.cpp
//
//
// Structure to reflect WOW environment values
//
typedef struct tagWOWENVDATA {
PSZ pszCompatLayer; // fully-formed compat layer variable
PSZ pszCompatLayerVal;
PSZ pszProcessHistory; // fully-formed process history variable
PSZ pszProcessHistoryVal;
PSZ pszShimFileLog; // file log variable
PSZ pszShimFileLogVal;
// buffer that we use for the accomulated process history,
PSZ pszCurrentProcessHistory;
} WOWENVDATA, *PWOWENVDATA;
//
// function to retrieve all the "interesting" things out of wow environment
//
BOOL
ShimRetrieveVariablesEx(
PWOWENVDATA pData
);
//
// Store information about wow task
//
BOOL
UpdateWowTaskList(
WORD hTask16
);
//
// wow task exits, cleanup the list
//
BOOL
CleanupWowTaskList(
WORD hTask16
);
//
// Functions in cleanup.cpp
//
BOOL
CleanupRegistryForCurrentExe(
void
);
//
// functions in win2kpropagatelayer.cpp
//
void
InitLayerStorage(
BOOL bDelete
);
BOOL
AddSupport(
LPCWSTR lpCommandLine,
LPVOID* ppEnvironment,
LPDWORD lpdwCreationFlags
);
BOOL
CheckAndShimNTVDM(
WORD hTask16
);
//
// Exception filter, proto for the function in WowProcessHistory.cpp
//
//
ULONG
Win2kPropagateLayerExceptionHandler(
PEXCEPTION_POINTERS pexi,
char * szFile,
DWORD dwLine
);
//
// Exception filter to use with our hooks
//
#define WOWPROCESSHISTORYEXCEPTIONFILTER \
Win2kPropagateLayerExceptionHandler(GetExceptionInformation(), __FILE__, __LINE__)
#endif // _WIN2KPROPAGATELAYER_H