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#undef UNICODE
#undef _UNICODE
#pragma once
#ifdef _MSC_VER
#pragma warning(push, 1) /* disable warnings within system headers */
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <msiquery.h>
#include <imagehlp.h>
#include <tchar.h>
#include <strsafe.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#include <malloc.h>
#include <time.h>
#include <string>
#include <hash_map>
const DWORD PE_Signature = 0x00004550;
typedef std::pair< std::string, bool > StringPair;
typedef std::hash_map< std::string, bool > ExcludeLibsMap;
#ifdef DEBUG
static void OutputDebugStringFormat( LPCSTR pFormat, ... )
{
CHAR buffer[1024];
va_list args;
va_start( args, pFormat );
StringCchVPrintfA( buffer, sizeof(buffer), pFormat, args );
OutputDebugStringA( buffer );
}
#else
static void OutputDebugStringFormat( LPCSTR, ... )
{
}
#endif
static bool IsValidHandle( HANDLE handle )
{
return NULL != handle && INVALID_HANDLE_VALUE != handle;
}
static std::string GetMsiProperty(MSIHANDLE handle, const std::string& sProperty)
{
std::string result;
TCHAR szDummy[1] = TEXT("");
DWORD nChars = 0;
if (MsiGetProperty(handle, sProperty.c_str(), szDummy, &nChars) == ERROR_MORE_DATA)
{
DWORD nBytes = ++nChars * sizeof(TCHAR);
LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
ZeroMemory( buffer, nBytes );
MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
result = buffer;
}
return result;
}
static BOOL rebaseImage( const std::string& filePath, LPVOID address )
{
ULONG ulOldImageSize;
ULONG_PTR lpOldImageBase;
ULONG ulNewImageSize;
ULONG_PTR lpNewImageBase = reinterpret_cast<ULONG_PTR>(address);
BOOL bResult = ReBaseImage(
filePath.c_str(),
"",
TRUE,
FALSE,
FALSE,
0,
&ulOldImageSize,
&lpOldImageBase,
&ulNewImageSize,
&lpNewImageBase,
(ULONG)time(NULL) );
return bResult;
}
static BOOL rebaseImage( MSIHANDLE /*handle*/, const std::string& sFilePath, LPVOID address )
{
std::string mystr;
mystr = "Full file: " + sFilePath;
BOOL bResult = rebaseImage( sFilePath, address );
if ( !bResult )
{
OutputDebugStringFormat( "Rebasing library %s failed", mystr.c_str() );
}
return bResult;
}
static BOOL rebaseImagesInFolder( MSIHANDLE handle, const std::string& sPath, LPVOID address, ExcludeLibsMap& rExcludeMap )
{
std::string sDir = sPath;
std::string sPattern = sPath + TEXT("*.dll");
WIN32_FIND_DATA aFindFileData;
HANDLE hFind = FindFirstFile( sPattern.c_str(), &aFindFileData );
if ( IsValidHandle(hFind) )
{
BOOL fSuccess = false;
do
{
std::string sFileName = aFindFileData.cFileName;
if ( rExcludeMap.find( sFileName ) == rExcludeMap.end() )
{
OutputDebugStringFormat( "Rebase library: %s", sFileName.c_str() );
std::string sLibFile = sDir + sFileName;
rebaseImage( handle, sLibFile, address );
}
else
{
OutputDebugStringFormat( "Exclude library %s from rebase", sFileName.c_str() );
}
fSuccess = FindNextFile( hFind, &aFindFileData );
}
while ( fSuccess );
FindClose( hFind );
}
return ERROR_SUCCESS;
}
static BOOL rebaseImages( MSIHANDLE handle, LPVOID pAddress, ExcludeLibsMap& rMap )
{
std::string sInstallPath = GetMsiProperty(handle, TEXT("INSTALLLOCATION"));
std::string sBasisDir = sInstallPath + TEXT("Basis\\program\\");
std::string sOfficeDir = sInstallPath + TEXT("program\\");
std::string sUreDir = sInstallPath + TEXT("URE\\bin\\");
BOOL bResult = rebaseImagesInFolder( handle, sBasisDir, pAddress, rMap );
bResult &= rebaseImagesInFolder( handle, sOfficeDir, pAddress, rMap );
bResult &= rebaseImagesInFolder( handle, sUreDir, pAddress, rMap );
return bResult;
}
static BOOL IsServerSystem( MSIHANDLE /*handle*/ )
{
OSVERSIONINFOEX osVersionInfoEx;
osVersionInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
GetVersionEx(reinterpret_cast<LPOSVERSIONINFO>(&osVersionInfoEx));
if ( osVersionInfoEx.wProductType != VER_NT_WORKSTATION )
{
OutputDebugStringFormat( "Server system detected. No rebase necessary!" );
return TRUE;
}
else
{
OutputDebugStringFormat( "Client system detected. Rebase necessary!" );
return FALSE;
}
}
static void InitExcludeFromRebaseList( MSIHANDLE handle, ExcludeLibsMap& rMap )
{
size_t nPos( 0 );
const TCHAR cDelim = ',';
std::string sLibsExcluded = GetMsiProperty(handle, TEXT("EXCLUDE_FROM_REBASE"));
while ( nPos < sLibsExcluded.size() )
{
size_t nDelPos = sLibsExcluded.find_first_of( cDelim, nPos );
std::string sExcludedLibName;
if ( nDelPos != std::string::npos )
{
sExcludedLibName = sLibsExcluded.substr( nPos, nDelPos - nPos );
nPos = nDelPos+1;
}
else
{
sExcludedLibName = sLibsExcluded.substr( nPos );
nPos = sLibsExcluded.size();
}
if ( sExcludedLibName.size() > 0 )
{
OutputDebugStringFormat( "Insert library %s into exclude from rebase list", sExcludedLibName.c_str() );
rMap.insert( StringPair( sExcludedLibName, true ));
}
}
}
extern "C" BOOL __stdcall RebaseLibrariesOnProperties( MSIHANDLE handle )
{
static LPVOID pDefault = reinterpret_cast<LPVOID>(0x10000000);
OutputDebugStringFormat( "RebaseLibrariesOnProperties has been called" );
std::string sDontOptimizeLibs = GetMsiProperty(handle, TEXT("DONTOPTIMIZELIBS"));
if ( sDontOptimizeLibs.length() > 0 && sDontOptimizeLibs == "1" )
{
OutputDebugStringFormat( "Don't optimize libraries set. No rebase necessary!" );
return TRUE;
}
if ( !IsServerSystem( handle ))
{
ExcludeLibsMap aExcludeLibsMap;
InitExcludeFromRebaseList( handle, aExcludeLibsMap );
return rebaseImages( handle, pDefault, aExcludeLibsMap );
}
return TRUE;
}
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