You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
585 lines
20 KiB
585 lines
20 KiB
// --------------------------------------------------------------------------
|
|
// Module Name: RestoreApplication.cpp
|
|
//
|
|
// Copyright (c) 2000, Microsoft Corporation
|
|
//
|
|
// Class to implement holding information required to restore an application
|
|
// and to actually restore it.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// 2000-11-04 vtan split into separate file
|
|
// --------------------------------------------------------------------------
|
|
|
|
#ifdef _X86_
|
|
|
|
#include "StandardHeader.h"
|
|
#include "RestoreApplication.h"
|
|
|
|
#include "StatusCode.h"
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::CRestoreApplication
|
|
//
|
|
// Purpose: Static const string to the user desktop..
|
|
//
|
|
// History: 2000-11-04 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
const WCHAR CRestoreApplication::s_szDefaultDesktop[] = L"WinSta0\\Default";
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::CRestoreApplication
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Constructor for CRestoreApplication.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
CRestoreApplication::CRestoreApplication (void) :
|
|
_hToken(NULL),
|
|
_dwSessionID(static_cast<DWORD>(-1)),
|
|
_pszCommandLine(NULL),
|
|
_pEnvironment(NULL),
|
|
_pszCurrentDirectory(NULL),
|
|
_pszDesktop(NULL),
|
|
_pszTitle(NULL),
|
|
_dwFlags(0),
|
|
_wShowWindow(0),
|
|
_hStdInput(NULL),
|
|
_hStdOutput(NULL),
|
|
_hStdError(NULL)
|
|
|
|
{
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::~CRestoreApplication
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Destructor for CRestoreApplication. Release any resources.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
CRestoreApplication::~CRestoreApplication (void)
|
|
|
|
{
|
|
ReleaseMemory(_pszTitle);
|
|
ReleaseMemory(_pszDesktop);
|
|
ReleaseMemory(_pszCurrentDirectory);
|
|
ReleaseMemory(_pEnvironment);
|
|
ReleaseMemory(_pszCommandLine);
|
|
ReleaseHandle(_hToken);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetInformation
|
|
//
|
|
// Arguments: hProcessIn = Handle to the process to get information.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Gets information about the currently running process to
|
|
// allow it to be re-run in the case when the user re-connects.
|
|
// This effectively restores the process but it's not identical
|
|
// to how it was originally run.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetInformation (HANDLE hProcessIn)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
HANDLE hProcess;
|
|
|
|
if (DuplicateHandle(GetCurrentProcess(),
|
|
hProcessIn,
|
|
GetCurrentProcess(),
|
|
&hProcess,
|
|
PROCESS_VM_READ | PROCESS_DUP_HANDLE | PROCESS_QUERY_INFORMATION,
|
|
FALSE,
|
|
0) != FALSE)
|
|
{
|
|
status = GetToken(hProcess);
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = GetSessionID(hProcess);
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
RTL_USER_PROCESS_PARAMETERS processParameters;
|
|
|
|
status = GetProcessParameters(hProcess, &processParameters);
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = GetCommandLine(hProcess, processParameters);
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
TSTATUS(GetEnvironment(hProcess, processParameters));
|
|
TSTATUS(GetCurrentDirectory(hProcess, processParameters));
|
|
TSTATUS(GetDesktop(hProcess, processParameters));
|
|
TSTATUS(GetTitle(hProcess, processParameters));
|
|
TSTATUS(GetFlags(hProcess, processParameters));
|
|
TSTATUS(GetStdHandles(hProcess, processParameters));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
TBOOL(CloseHandle(hProcess));
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::IsEqualSessionID
|
|
//
|
|
// Arguments: dwSessionID = Session ID to check.
|
|
//
|
|
// Returns: bool
|
|
//
|
|
// Purpose: Returns whether the given session ID is the same as the
|
|
// process that needs restoration. This assists in determining
|
|
// whether restoration is required.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
bool CRestoreApplication::IsEqualSessionID (DWORD dwSessionID) const
|
|
|
|
{
|
|
return(_dwSessionID == dwSessionID);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetCommandLine
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: const WCHAR*
|
|
//
|
|
// Purpose: Returns the pointer to the internal storage for the command
|
|
// line of the process.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
const WCHAR* CRestoreApplication::GetCommandLine (void) const
|
|
|
|
{
|
|
return(_pszCommandLine);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::Restore
|
|
//
|
|
// Arguments: phProcess = Receives the handle to the restored process.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Restores the process whose information was gathered with
|
|
// GetInformation to as close as possibly to the original start
|
|
// state. Relevant information was saved off to allow an
|
|
// effective restore.
|
|
//
|
|
// The handle returned is optional. If requested a non-NULL
|
|
// phProcess must be passed in and it is the caller's
|
|
// responsibility to close that handle. If not required then
|
|
// NULL is passed in and the handle is closed.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::Restore (HANDLE *phProcess) const
|
|
|
|
{
|
|
NTSTATUS status;
|
|
STARTUPINFO startupInfo;
|
|
PROCESS_INFORMATION processInformation;
|
|
|
|
ZeroMemory(&startupInfo, sizeof(startupInfo));
|
|
ZeroMemory(&processInformation, sizeof(processInformation));
|
|
startupInfo.cb = sizeof(startupInfo);
|
|
startupInfo.lpDesktop = _pszDesktop;
|
|
startupInfo.lpTitle = _pszTitle;
|
|
startupInfo.dwFlags = _dwFlags;
|
|
startupInfo.wShowWindow = _wShowWindow;
|
|
if (ImpersonateLoggedOnUser(_hToken) != FALSE)
|
|
{
|
|
if (CreateProcessAsUser(_hToken,
|
|
NULL,
|
|
_pszCommandLine,
|
|
NULL,
|
|
NULL,
|
|
FALSE,
|
|
0,
|
|
NULL,
|
|
_pszCurrentDirectory,
|
|
&startupInfo,
|
|
&processInformation) != FALSE)
|
|
{
|
|
if (phProcess != NULL)
|
|
{
|
|
*phProcess = processInformation.hProcess;
|
|
}
|
|
else
|
|
{
|
|
TBOOL(CloseHandle(processInformation.hProcess));
|
|
}
|
|
TBOOL(CloseHandle(processInformation.hThread));
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
TBOOL(RevertToSelf());
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetProcessParameters
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Reads the RTL_USER_PROCESS_PARAMETERS information from the
|
|
// given process. Addresses in this struct belong to the given
|
|
// process address space.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetProcessParameters (HANDLE hProcess, RTL_USER_PROCESS_PARAMETERS* pProcessParameters)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
ULONG ulReturnLength;
|
|
PROCESS_BASIC_INFORMATION processBasicInformation;
|
|
|
|
status = NtQueryInformationProcess(hProcess,
|
|
ProcessBasicInformation,
|
|
&processBasicInformation,
|
|
sizeof(processBasicInformation),
|
|
&ulReturnLength);
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
SIZE_T dwNumberOfBytesRead;
|
|
PEB peb;
|
|
|
|
if ((ReadProcessMemory(hProcess,
|
|
processBasicInformation.PebBaseAddress,
|
|
&peb,
|
|
sizeof(peb),
|
|
&dwNumberOfBytesRead) != FALSE) &&
|
|
(ReadProcessMemory(hProcess,
|
|
peb.ProcessParameters,
|
|
pProcessParameters,
|
|
sizeof(*pProcessParameters),
|
|
&dwNumberOfBytesRead) != FALSE))
|
|
{
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
}
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetUnicodeString
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// string = UNICODE_STRING to read from process.
|
|
// psz = Received newly allocated memory for string.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Reads the given UNICODE_STRING from the process and allocates
|
|
// memory to hold this string and copies it. The string is
|
|
// NULL terminated.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetUnicodeString (HANDLE hProcess, const UNICODE_STRING& string, WCHAR** ppsz)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
WCHAR *psz;
|
|
|
|
// sizeof(WCHAR) is for the '\0' terminator
|
|
psz = static_cast<WCHAR*>(LocalAlloc(LMEM_FIXED, string.Length + sizeof(WCHAR)));
|
|
if (psz != NULL)
|
|
{
|
|
SIZE_T dwNumberOfBytesRead;
|
|
|
|
if (ReadProcessMemory(hProcess,
|
|
string.Buffer,
|
|
psz,
|
|
string.Length,
|
|
&dwNumberOfBytesRead) != FALSE)
|
|
{
|
|
psz[string.Length / sizeof(WCHAR)] = L'\0';
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
ReleaseMemory(psz);
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
status = STATUS_NO_MEMORY;
|
|
}
|
|
*ppsz = psz;
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetToken
|
|
//
|
|
// Arguments: hProcess = Handle to process to get token of.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores internally the token of the give process.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetToken (HANDLE hProcess)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
if ((OpenProcessToken(hProcess,
|
|
TOKEN_ASSIGN_PRIMARY | TOKEN_DUPLICATE | TOKEN_QUERY,
|
|
&_hToken) != FALSE))
|
|
{
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetSessionID
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the session ID associated with the process.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetSessionID (HANDLE hProcess)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
ULONG ulReturnLength;
|
|
PROCESS_SESSION_INFORMATION processSessionInformation;
|
|
|
|
status = NtQueryInformationProcess(hProcess,
|
|
ProcessSessionInformation,
|
|
&processSessionInformation,
|
|
sizeof(processSessionInformation),
|
|
&ulReturnLength);
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
_dwSessionID = processSessionInformation.SessionId;
|
|
}
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetCommandLine
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the command line (that started the process) from the
|
|
// given process.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetCommandLine (HANDLE hProcess, const RTL_USER_PROCESS_PARAMETERS& processParameters)
|
|
|
|
{
|
|
return(GetUnicodeString(hProcess, processParameters.CommandLine, &_pszCommandLine));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetEnvironment
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the environment block for the given process. Currently
|
|
// this is NOT implemented.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetEnvironment (HANDLE hProcess, const RTL_USER_PROCESS_PARAMETERS& processParameters)
|
|
|
|
{
|
|
UNREFERENCED_PARAMETER(hProcess);
|
|
UNREFERENCED_PARAMETER(processParameters);
|
|
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetCurrentDirectory
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the current directory of the given process.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetCurrentDirectory (HANDLE hProcess, const RTL_USER_PROCESS_PARAMETERS& processParameters)
|
|
|
|
{
|
|
return(GetUnicodeString(hProcess, processParameters.CurrentDirectory.DosPath, &_pszCurrentDirectory));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetDesktop
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the window station and desktop that the given process
|
|
// was started on.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetDesktop (HANDLE hProcess, const RTL_USER_PROCESS_PARAMETERS& processParameters)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = GetUnicodeString(hProcess, processParameters.DesktopInfo, &_pszDesktop);
|
|
if (!NT_SUCCESS(status))
|
|
{
|
|
_pszDesktop = static_cast<WCHAR*>(LocalAlloc(LMEM_FIXED, sizeof(s_szDefaultDesktop)));
|
|
if (_pszDesktop != NULL)
|
|
{
|
|
CopyMemory(_pszDesktop, s_szDefaultDesktop, sizeof(s_szDefaultDesktop));
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
status = STATUS_NO_MEMORY;
|
|
}
|
|
}
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetTitle
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the window title used to start the given process.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetTitle (HANDLE hProcess, const RTL_USER_PROCESS_PARAMETERS& processParameters)
|
|
|
|
{
|
|
return(GetUnicodeString(hProcess, processParameters.WindowTitle, &_pszTitle));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetFlags
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the flags and wShowWindow used to start the given
|
|
// process.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetFlags (HANDLE hProcess, const RTL_USER_PROCESS_PARAMETERS& processParameters)
|
|
|
|
{
|
|
UNREFERENCED_PARAMETER(hProcess);
|
|
|
|
_dwFlags = processParameters.WindowFlags;
|
|
_wShowWindow = static_cast<WORD>(processParameters.ShowWindowFlags);
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CRestoreApplication::GetStdHandles
|
|
//
|
|
// Arguments: hProcess = Handle to the process.
|
|
// processParameters = Process parameters returned.
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Stores the standard handles that may have been used to start
|
|
// the given process. Currently NOT implemented.
|
|
//
|
|
// History: 2000-10-26 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CRestoreApplication::GetStdHandles (HANDLE hProcess, const RTL_USER_PROCESS_PARAMETERS& processParameters)
|
|
|
|
{
|
|
UNREFERENCED_PARAMETER(hProcess);
|
|
UNREFERENCED_PARAMETER(processParameters);
|
|
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
#endif /* _X86_ */
|
|
|