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.
492 lines
12 KiB
492 lines
12 KiB
|
|
/*************************************************************************
|
|
*
|
|
* execclt.c
|
|
*
|
|
* Exec service client.
|
|
*
|
|
* This allows the starting of a program on any CITRIX WinStation under
|
|
* the account of the logged on user, or the SYSTEM account for services.
|
|
*
|
|
* Copyright Microsoft, 1998
|
|
*
|
|
* Log:
|
|
*
|
|
*
|
|
*
|
|
*************************************************************************/
|
|
|
|
#include <nt.h>
|
|
#include <ntrtl.h>
|
|
#include <nturtl.h>
|
|
#include <ntlsa.h>
|
|
#include <ntmsv1_0.h>
|
|
#include <lmsname.h>
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <execsrv.h>
|
|
#include <winsta.h>
|
|
#include <syslib.h>
|
|
|
|
#pragma warning (error:4312)
|
|
|
|
#if DBG
|
|
ULONG
|
|
DbgPrint(
|
|
PCH Format,
|
|
...
|
|
);
|
|
#define DBGPRINT(x) DbgPrint x
|
|
#if DBGTRACE
|
|
#define TRACE0(x) DbgPrint x
|
|
#define TRACE1(x) DbgPrint x
|
|
#else
|
|
#define TRACE0(x)
|
|
#define TRACE1(x)
|
|
#endif
|
|
#else
|
|
#define DBGPRINT(x)
|
|
#define TRACE0(x)
|
|
#define TRACE1(x)
|
|
#endif
|
|
|
|
|
|
//
|
|
// Forward references
|
|
//
|
|
|
|
PWCHAR
|
|
MarshallStringW(
|
|
PWCHAR pSource,
|
|
PCHAR pBase,
|
|
ULONG MaxSize,
|
|
PCHAR *ppPtr,
|
|
PULONG pCount
|
|
);
|
|
|
|
VOID
|
|
AnsiToUnicode(
|
|
WCHAR *,
|
|
ULONG,
|
|
CHAR *
|
|
);
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* WinStationCreateProcessA
|
|
*
|
|
* ANSI version of WinStationCreateProcessW
|
|
*
|
|
* ENTRY:
|
|
* Param1 (input/output)
|
|
* Comments
|
|
*
|
|
* EXIT:
|
|
* STATUS_SUCCESS - no error
|
|
*
|
|
****************************************************************************/
|
|
|
|
BOOL
|
|
WinStationCreateProcessA(
|
|
ULONG LogonId,
|
|
BOOL System,
|
|
PCHAR lpszImageName,
|
|
PCHAR lpszCommandLine,
|
|
PSECURITY_ATTRIBUTES psaProcess,
|
|
PSECURITY_ATTRIBUTES psaThread,
|
|
BOOL fInheritHandles,
|
|
DWORD fdwCreate,
|
|
LPVOID lpvEnvironment,
|
|
LPCSTR lpszCurDir,
|
|
LPSTARTUPINFOA pStartInfo,
|
|
LPPROCESS_INFORMATION pProcInfo
|
|
)
|
|
{
|
|
ULONG Len;
|
|
STARTUPINFOW Info;
|
|
BOOL Result = FALSE;
|
|
PWCHAR pImage = NULL;
|
|
PWCHAR pCmdLine = NULL;
|
|
PWCHAR pCurDir = NULL;
|
|
PWCHAR pDesk = NULL;
|
|
PWCHAR pTitle = NULL;
|
|
|
|
// Convert the valid ANSI strings to UNICODE
|
|
|
|
if( lpszImageName ) {
|
|
Len = (strlen(lpszImageName)+1)*sizeof(WCHAR);
|
|
pImage = LocalAlloc( LMEM_FIXED, Len );
|
|
if( pImage == NULL ) goto Cleanup;
|
|
AnsiToUnicode( pImage, Len, lpszImageName );
|
|
}
|
|
if( lpszCommandLine ) {
|
|
Len = (strlen(lpszCommandLine)+1)*sizeof(WCHAR);
|
|
pCmdLine = LocalAlloc( LMEM_FIXED, Len );
|
|
if( pCmdLine == NULL ) goto Cleanup;
|
|
AnsiToUnicode( pCmdLine, Len, lpszCommandLine );
|
|
}
|
|
if( lpszCurDir ) {
|
|
Len = (strlen(lpszCurDir)+1)*sizeof(WCHAR);
|
|
pCurDir = LocalAlloc( LMEM_FIXED, Len );
|
|
if( pCurDir == NULL ) goto Cleanup;
|
|
AnsiToUnicode( pCurDir, Len, (CHAR*)lpszCurDir );
|
|
}
|
|
if( pStartInfo->lpDesktop ) {
|
|
Len = (strlen(pStartInfo->lpDesktop)+1)*sizeof(WCHAR);
|
|
pDesk = LocalAlloc( LMEM_FIXED, Len );
|
|
if( pDesk == NULL ) goto Cleanup;
|
|
AnsiToUnicode( pDesk, Len, pStartInfo->lpDesktop );
|
|
}
|
|
if( pStartInfo->lpTitle ) {
|
|
Len = (strlen(pStartInfo->lpTitle)+1)*sizeof(WCHAR);
|
|
pTitle = LocalAlloc( LMEM_FIXED, Len );
|
|
if( pTitle == NULL ) goto Cleanup;
|
|
AnsiToUnicode( pTitle, Len, pStartInfo->lpTitle );
|
|
}
|
|
|
|
Info.cb = sizeof(STARTUPINFOW);
|
|
Info.lpReserved = (PWCHAR)pStartInfo->lpReserved;
|
|
Info.lpDesktop = pDesk;
|
|
Info.lpTitle = pTitle;
|
|
Info.dwX = pStartInfo->dwX;
|
|
Info.dwY = pStartInfo->dwY;
|
|
Info.dwXSize = pStartInfo->dwXSize;
|
|
Info.dwYSize = pStartInfo->dwYSize;
|
|
Info.dwXCountChars = pStartInfo->dwXCountChars;
|
|
Info.dwYCountChars = pStartInfo->dwYCountChars;
|
|
Info.dwFillAttribute = pStartInfo->dwFillAttribute;
|
|
Info.dwFlags = pStartInfo->dwFlags;
|
|
Info.wShowWindow = pStartInfo->wShowWindow;
|
|
Info.cbReserved2 = pStartInfo->cbReserved2;
|
|
Info.lpReserved2 = pStartInfo->lpReserved2;
|
|
Info.hStdInput = pStartInfo->hStdInput;
|
|
Info.hStdOutput = pStartInfo->hStdOutput;
|
|
Info.hStdError = pStartInfo->hStdError;
|
|
|
|
Result = WinStationCreateProcessW(
|
|
LogonId,
|
|
System,
|
|
pImage,
|
|
pCmdLine,
|
|
psaProcess,
|
|
psaThread,
|
|
fInheritHandles,
|
|
fdwCreate,
|
|
lpvEnvironment,
|
|
pCurDir,
|
|
&Info,
|
|
pProcInfo
|
|
);
|
|
|
|
Cleanup:
|
|
if( pImage ) LocalFree( pImage );
|
|
if( pCmdLine ) LocalFree( pCmdLine );
|
|
if( pCurDir ) LocalFree( pCurDir );
|
|
if( pDesk ) LocalFree( pDesk );
|
|
if( pTitle ) LocalFree( pTitle );
|
|
|
|
return( Result );
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* WinStationCreateProcessW
|
|
*
|
|
* Create a process on the given WinStation (LogonId)
|
|
*
|
|
* ENTRY:
|
|
* LogonId (input)
|
|
* LogonId of WinStation to create process on
|
|
*
|
|
* Param1 (input/output)
|
|
* Comments
|
|
*
|
|
* EXIT:
|
|
* STATUS_SUCCESS - no error
|
|
*
|
|
****************************************************************************/
|
|
|
|
BOOL
|
|
WinStationCreateProcessW(
|
|
ULONG LogonId,
|
|
BOOL System,
|
|
PWCHAR lpszImageName,
|
|
PWCHAR lpszCommandLine,
|
|
PSECURITY_ATTRIBUTES psaProcess,
|
|
PSECURITY_ATTRIBUTES psaThread,
|
|
BOOL fInheritHandles,
|
|
DWORD fdwCreate,
|
|
LPVOID lpvEnvionment,
|
|
LPWSTR lpszCurDir,
|
|
LPSTARTUPINFOW pStartInfo,
|
|
LPPROCESS_INFORMATION pProcInfo
|
|
)
|
|
{
|
|
BOOL Result;
|
|
HANDLE hPipe = NULL;
|
|
WCHAR szPipeName[MAX_PATH];
|
|
PCHAR ptr;
|
|
ULONG Count, AmountWrote, AmountRead;
|
|
DWORD MyProcId;
|
|
PEXECSRV_REQUEST pReq;
|
|
EXECSRV_REPLY Rep;
|
|
CHAR Buf[EXECSRV_BUFFER_SIZE];
|
|
ULONG MaxSize = EXECSRV_BUFFER_SIZE;
|
|
|
|
if( lpszImageName )
|
|
TRACE0(("EXECCLIENT: lpszImageName %ws\n",lpszImageName));
|
|
|
|
if( lpszCommandLine )
|
|
TRACE0(("EXECCLIENT: lpszCommandLine %ws\n",lpszCommandLine));
|
|
|
|
// Winlogon handles all now. System flag tells it what to do
|
|
swprintf(szPipeName, EXECSRV_SYSTEM_PIPE_NAME, LogonId);
|
|
|
|
hPipe = CreateFileW(
|
|
szPipeName,
|
|
GENERIC_READ|GENERIC_WRITE,
|
|
0, // File share mode
|
|
NULL, // default security
|
|
OPEN_EXISTING,
|
|
0, // Attrs and flags
|
|
NULL // template file handle
|
|
);
|
|
|
|
if( hPipe == INVALID_HANDLE_VALUE ) {
|
|
DBGPRINT(("EXECCLIENT: Could not create pipe name %ws\n", szPipeName));
|
|
return(FALSE);
|
|
}
|
|
|
|
/*
|
|
* Get the handle to the current process
|
|
*/
|
|
MyProcId = GetCurrentProcessId();
|
|
|
|
/*
|
|
* setup the marshalling
|
|
*/
|
|
ptr = Buf;
|
|
Count = 0;
|
|
|
|
pReq = (PEXECSRV_REQUEST)ptr;
|
|
ptr += sizeof(EXECSRV_REQUEST);
|
|
Count += sizeof(EXECSRV_REQUEST);
|
|
|
|
// set the basic parameters
|
|
pReq->System = System;
|
|
pReq->RequestingProcessId = MyProcId;
|
|
pReq->fInheritHandles = fInheritHandles;
|
|
pReq->fdwCreate = fdwCreate;
|
|
|
|
// marshall the ImageName string
|
|
if( lpszImageName ) {
|
|
pReq->lpszImageName = MarshallStringW( lpszImageName, Buf, MaxSize, &ptr, &Count );
|
|
}
|
|
else {
|
|
pReq->lpszImageName = NULL;
|
|
}
|
|
|
|
// marshall in the CommandLine string
|
|
if( lpszCommandLine ) {
|
|
pReq->lpszCommandLine = MarshallStringW( lpszCommandLine, Buf, MaxSize, &ptr, &Count );
|
|
}
|
|
else {
|
|
pReq->lpszCommandLine = NULL;
|
|
}
|
|
|
|
// marshall in the CurDir string
|
|
if( lpszCurDir ) {
|
|
pReq->lpszCurDir = MarshallStringW( lpszCurDir, Buf, MaxSize, &ptr, &Count );
|
|
}
|
|
else {
|
|
pReq->lpszCurDir = NULL;
|
|
}
|
|
|
|
// marshall in the StartupInfo structure
|
|
RtlMoveMemory( &pReq->StartInfo, pStartInfo, sizeof(STARTUPINFO) );
|
|
|
|
// Now marshall the strings in STARTUPINFO
|
|
if( pStartInfo->lpDesktop ) {
|
|
pReq->StartInfo.lpDesktop = MarshallStringW( pStartInfo->lpDesktop, Buf, MaxSize, &ptr, &Count );
|
|
}
|
|
else {
|
|
pReq->StartInfo.lpDesktop = NULL;
|
|
}
|
|
|
|
if( pStartInfo->lpTitle ) {
|
|
pReq->StartInfo.lpTitle = MarshallStringW( pStartInfo->lpTitle, Buf, MaxSize, &ptr, &Count );
|
|
}
|
|
else {
|
|
pReq->StartInfo.lpTitle = NULL;
|
|
}
|
|
|
|
//
|
|
// WARNING: This version does not pass the following:
|
|
//
|
|
// Also saProcess and saThread are ignored right now and use
|
|
// the users default security on the remote WinStation
|
|
//
|
|
// Set things that are always NULL
|
|
//
|
|
pReq->StartInfo.lpReserved = NULL; // always NULL
|
|
pReq->lpvEnvironment = NULL;
|
|
pReq->hToken = NULL;
|
|
|
|
// now fill in the total count
|
|
pReq->Size = Count;
|
|
|
|
/*
|
|
* Now send the buffer out to the server
|
|
*/
|
|
Result = WriteFile(
|
|
hPipe,
|
|
Buf,
|
|
Count,
|
|
&AmountWrote,
|
|
NULL
|
|
);
|
|
|
|
if( !Result ) {
|
|
DBGPRINT(("EXECCLIENT: Error %d sending request\n",GetLastError()));
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Now read the reply
|
|
*/
|
|
Result = ReadFile(
|
|
hPipe,
|
|
&Rep,
|
|
sizeof(Rep),
|
|
&AmountRead,
|
|
NULL
|
|
);
|
|
|
|
if( !Result ) {
|
|
DBGPRINT(("EXECCLIENT: Error %d reading reply\n",GetLastError()));
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Check the result
|
|
*/
|
|
if( !Rep.Result ) {
|
|
DBGPRINT(("EXECCLIENT: Error %d in reply\n",Rep.LastError));
|
|
// set the error in the current thread to the returned error
|
|
Result = Rep.Result;
|
|
SetLastError( Rep.LastError );
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* We copy the PROCESS_INFO structure from the reply
|
|
* to the caller.
|
|
*
|
|
* The remote site has duplicated the handles into our
|
|
* process space for hProcess and hThread so that they will
|
|
* behave like CreateProcessW()
|
|
*/
|
|
|
|
RtlMoveMemory( pProcInfo, &Rep.ProcInfo, sizeof( PROCESS_INFORMATION ) );
|
|
|
|
Cleanup:
|
|
CloseHandle(hPipe);
|
|
|
|
DBGPRINT(("EXECCLIENT: Result 0x%x\n", Result));
|
|
|
|
return(Result);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* MarshallStringW
|
|
*
|
|
* Marshall in a UNICODE_NULL terminated WCHAR string
|
|
*
|
|
* ENTRY:
|
|
* pSource (input)
|
|
* Pointer to source string
|
|
*
|
|
* pBase (input)
|
|
* Base buffer pointer for normalizing the string pointer
|
|
*
|
|
* MaxSize (input)
|
|
* Maximum buffer size available
|
|
*
|
|
* ppPtr (input/output)
|
|
* Pointer to the current context pointer in the marshall buffer.
|
|
* This is updated as data is marshalled into the buffer
|
|
*
|
|
* pCount (input/output)
|
|
* Current count of data in the marshall buffer.
|
|
* This is updated as data is marshalled into the buffer
|
|
*
|
|
* EXIT:
|
|
* NULL - Error
|
|
* !=NULL "normalized" pointer to the string in reference to pBase
|
|
*
|
|
****************************************************************************/
|
|
|
|
PWCHAR
|
|
MarshallStringW(
|
|
PWCHAR pSource,
|
|
PCHAR pBase,
|
|
ULONG MaxSize,
|
|
PCHAR *ppPtr,
|
|
PULONG pCount
|
|
)
|
|
{
|
|
ULONG Len;
|
|
PCHAR ptr;
|
|
|
|
Len = wcslen( pSource );
|
|
Len++; // include the NULL;
|
|
|
|
Len *= sizeof(WCHAR); // convert to bytes
|
|
if( (*pCount + Len) > MaxSize ) {
|
|
return( NULL );
|
|
}
|
|
|
|
RtlMoveMemory( *ppPtr, pSource, Len );
|
|
|
|
// the normalized ptr is the current count
|
|
ptr = LongToPtr(*pCount);
|
|
|
|
*ppPtr += Len;
|
|
*pCount += Len;
|
|
|
|
return((PWCHAR)ptr);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* AnsiToUnicode
|
|
*
|
|
* convert an ANSI (CHAR) string into a UNICODE (WCHAR) string
|
|
*
|
|
* ENTRY:
|
|
*
|
|
* pUnicodeString (output)
|
|
* buffer to place UNICODE string into
|
|
* lUnicodeMax (input)
|
|
* maximum number of characters to write into pUnicodeString
|
|
* pAnsiString (input)
|
|
* ANSI string to convert
|
|
*
|
|
* EXIT:
|
|
* nothing (VOID)
|
|
*
|
|
******************************************************************************/
|
|
|
|
VOID
|
|
AnsiToUnicode( WCHAR * pUnicodeString,
|
|
ULONG lUnicodeMax,
|
|
CHAR * pAnsiString )
|
|
{
|
|
ULONG ByteCount;
|
|
|
|
RtlMultiByteToUnicodeN( pUnicodeString, lUnicodeMax, &ByteCount,
|
|
pAnsiString, (strlen(pAnsiString) + 1) );
|
|
}
|