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201 lines
7.3 KiB
201 lines
7.3 KiB
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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srvvdm.h
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Abstract:
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Include file for VDM related functions
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Author:
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Sudeep Bharati (sudeepb) 03-Sep-1991
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Revision History:
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--*/
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// Shared wow vdm definition
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typedef struct tagSharedWowRecord *PSHAREDWOWRECORD;
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typedef struct _WOWRecord *PWOWRECORD;
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typedef struct tagSharedWowRecord {
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// all these structures are wired to the console list
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// so that each shared wow is identified in the console list by it's handle
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// the reason for this extra linkage is to speed up certain calls in which we
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// already know it's wow
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PSHAREDWOWRECORD pNextSharedWow; // points to the next shared vdm
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HANDLE hConsole; // hidden console of wow
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HANDLE hwndWowExec; // handle to a wow exec window
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DWORD dwWowExecProcessId; // process id of a wowexec
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DWORD dwWowExecThreadId; // thread id for wowexec
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// why sequence number:
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// Davehart explains that we could get in trouble if basesrv thinks
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// that wowexec could be identified uniquely by it's window handle, process id and thread id.
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// In reality, these values are recycled rather quickly which could lead us to [mistakenly]
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// accept hwndWowExec for a wowexec window when, in reality the relevant wowexec has long been
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// gone. This number reflects a sequential order in which processes are created.
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// And while it could still be recycled (when it overflows) this is a rather rare event.
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// all the sequence number info that we are in need of is located in the console
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// record itself
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// This is a unicode string representing windows station/desktop which is supported by this
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// particular ntvdm
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UNICODE_STRING WowExecDesktopName;
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ULONG VDMState; // the state of this shared wow
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// task queue
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PWOWRECORD pWOWRecord;
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// LUID - auth id for this wow
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LUID WowAuthId;
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// this is what is so interesting about this particular setting
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// special id that uniquely identifies this wow in the context of this machine
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// consists of [Time] + [SequenceNumber]
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// size of this structure is variable and depends on the length of the desktop name as
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// it is fitted together with this structure
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// sequence number
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ULONG SequenceNumber;
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ULONG ParentSequenceNumber;
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} SHAREDWOWRECORD, *PSHAREDWOWRECORD;
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typedef struct _DOSRecord *PDOSRECORD;
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typedef struct _DOSRecord {
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PDOSRECORD DOSRecordNext; // Task record chain
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ULONG VDMState; // VDM State (bit flags)
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ULONG ErrorCode; // Error Code returned by DOS
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HANDLE hWaitForParent; // Handle to wait object for parent to wait on
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HANDLE hWaitForParentDup; // Dup of hWaitForParent
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PVDMINFO lpVDMInfo; // Pointer to VDM Information block
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} DOSRECORD, *PDOSRECORD;
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typedef struct _CONSOLERECORD *PCONSOLERECORD;
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typedef struct _CONSOLERECORD {
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PCONSOLERECORD Next;
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HANDLE hConsole; // Console Handle of the session
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HANDLE hVDM; // NTVDM process handle running in the console
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// these two members below are used only with dos vdm
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HANDLE hWaitForVDM; // Handle on which VDM will wait
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HANDLE hWaitForVDMDup; // Handle on which server will wake up the VDM (Its a dup of previous one)
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ULONG nReEntrancy; // Re-entrancy count
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ULONG SequenceNumber; // Sequencenumber from PCSR_PROCESS
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ULONG ParentSequenceNumber; // Sequencenumber of parent
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ULONG DosSesId; // Temp Session ID for no-console
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// these two members below are used only with dos vdm
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ULONG cchCurDirs; // Length of NTVDM current directory in bytes
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PCHAR lpszzCurDirs; // NTVDM current directory accross VDMs
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PDOSRECORD DOSRecord; // Information for Tasks in this console
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} CONSOLERECORD, *PCONSOLERECORD;
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typedef struct _WOWRecord {
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ULONG iTask;
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BOOL fDispatched; // Is Command Dispatched
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HANDLE hWaitForParent; // Parent Will wait on it
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HANDLE hWaitForParentServer; // Server will wake up the parent on it
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PVDMINFO lpVDMInfo; // Pointer to VDM Information block
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PWOWRECORD WOWRecordNext; // Task Record chain
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} WOWRECORD, *PWOWRECORD;
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typedef struct _INFORECORD {
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ULONG iTag;
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union {
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PWOWRECORD pWOWRecord;
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PDOSRECORD pDOSRecord;
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} pRecord;
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} INFORECORD, *PINFORECORD;
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typedef struct _BATRECORD {
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HANDLE hConsole;
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ULONG SequenceNumber;
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struct _BATRECORD *BatRecordNext;
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} BATRECORD, *PBATRECORD;
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#define WOWMINID 1
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#define WOWMAXID 0xfffffffe
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// VDMState Defines
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#define VDM_TO_TAKE_A_COMMAND 1
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#define VDM_BUSY 2
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#define VDM_HAS_RETURNED_ERROR_CODE 4
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#define VDM_READY 8
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VOID BaseSrvVDMInit(VOID);
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ULONG BaseSrvCheckVDM(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvUpdateVDMEntry(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvGetNextVDMCommand(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvExitVDM(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvIsFirstVDM(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvSetReenterCount (PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvCheckWOW(PBASE_CHECKVDM_MSG, HANDLE);
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ULONG BaseSrvCheckDOS(PBASE_CHECKVDM_MSG, HANDLE);
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BOOL BaseSrvCopyCommand(PBASE_CHECKVDM_MSG,PINFORECORD);
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ULONG BaseSrvUpdateWOWEntry(PBASE_UPDATE_VDM_ENTRY_MSG);
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ULONG BaseSrvUpdateDOSEntry(PBASE_UPDATE_VDM_ENTRY_MSG);
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NTSTATUS BaseSrvExitWOWTask(PBASE_EXIT_VDM_MSG, HANDLE);
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NTSTATUS BaseSrvExitDOSTask(PBASE_EXIT_VDM_MSG);
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ULONG BaseSrvGetWOWRecord(ULONG,PWOWRECORD *);
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ULONG BaseSrvGetVDMExitCode(PCSR_API_MSG,PCSR_REPLY_STATUS);
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ULONG BaseSrvDupStandardHandles(HANDLE, PDOSRECORD);
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NTSTATUS BaseSrvGetConsoleRecord (HANDLE,PCONSOLERECORD *);
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VOID BaseSrvFreeWOWRecord (PWOWRECORD);
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PCONSOLERECORD BaseSrvAllocateConsoleRecord (VOID);
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VOID BaseSrvFreeConsoleRecord (PCONSOLERECORD);
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VOID BaseSrvRemoveConsoleRecord (PCONSOLERECORD);
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PDOSRECORD BaseSrvAllocateDOSRecord(VOID);
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VOID BaseSrvFreeDOSRecord (PDOSRECORD);
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VOID BaseSrvAddDOSRecord (PCONSOLERECORD,PDOSRECORD);
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VOID BaseSrvRemoveDOSRecord (PCONSOLERECORD,PDOSRECORD);
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VOID BaseSrvFreeVDMInfo(PVDMINFO);
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ULONG BaseSrvCreatePairWaitHandles (HANDLE *, HANDLE *);
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VOID BaseSrvAddConsoleRecord(PCONSOLERECORD);
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VOID BaseSrvCloseStandardHandles (HANDLE, PDOSRECORD);
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VOID BaseSrvClosePairWaitHandles (PDOSRECORD);
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VOID BaseSrvVDMTerminated (HANDLE, ULONG);
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NTSTATUS
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BaseSrvUpdateVDMSequenceNumber (
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IN ULONG VdmBinaryType, // binary type
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IN HANDLE hVDM, // console handle
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IN ULONG DosSesId, // session id
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IN HANDLE UniqueProcessClientID
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);
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VOID BaseSrvCleanupVDMResources (PCSR_PROCESS);
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VOID BaseSrvExitVDMWorker (PCONSOLERECORD);
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NTSTATUS BaseSrvFillPifInfo (PVDMINFO,PBASE_GET_NEXT_VDM_COMMAND_MSG);
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ULONG BaseSrvGetVDMCurDirs(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvSetVDMCurDirs(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvBatNotification(PCSR_API_MSG, PCSR_REPLY_STATUS);
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ULONG BaseSrvRegisterWowExec(PCSR_API_MSG, PCSR_REPLY_STATUS);
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PBATRECORD BaseSrvGetBatRecord(HANDLE);
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PBATRECORD BaseSrvAllocateAndAddBatRecord(HANDLE);
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VOID BaseSrvFreeAndRemoveBatRecord(PBATRECORD);
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