/***********************************************************************
* create_fake_dll
*/
BOOL create_fake_dll( const WCHAR *name, const WCHAR *source )
{
HANDLE h;
BOOL ret;
SIZE_T size;
const WCHAR *filename;
void *buffer;
if (!(filename = strrchrW( name, '\\' ))) filename = name;
else filename++;
/* check for empty name which means to only create the directory */
if (!filename[0])
{
create_directories( name );
return TRUE;
}
if (filename[0] == '*' && !filename[1]) return create_wildcard_dlls( name );
add_handled_dll( filename );
if (!(h = create_dest_file( name ))) return TRUE; /* not a fake dll */
if (h == INVALID_HANDLE_VALUE) return FALSE;
if (source[0] == '-' && !source[1])
{
/* '-' source means delete the file */
TRACE( "deleting %s\n", debugstr_w(name) );
ret = FALSE;
}
else if ((buffer = load_fake_dll( source, &size )))
{
DWORD written;
ret = (WriteFile( h, buffer, size, &written, NULL ) && written == size);
if (ret) register_fake_dll( name, buffer, size );
else ERR( "failed to write to %s (error=%u)\n", debugstr_w(name), GetLastError() );
}
else
{
WARN( "fake dll %s not found for %s\n", debugstr_w(source), debugstr_w(name) );
ret = build_fake_dll( h, name );
}
CloseHandle( h );
if (!ret) DeleteFileW( name );
return ret;
}
/***********************************************************************
* create_fake_dll
*/
BOOL create_fake_dll( const WCHAR *name, const WCHAR *source )
{
HANDLE h;
HMODULE module;
BOOL ret;
/* check for empty name which means to only create the directory */
if (name[strlenW(name) - 1] == '\\')
{
create_directories( name );
return TRUE;
}
/* first check for an existing file */
h = CreateFileW( name, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
if (h != INVALID_HANDLE_VALUE)
{
if (!is_fake_dll( h ))
{
TRACE( "%s is not a fake dll, not overwriting it\n", debugstr_w(name) );
CloseHandle( h );
return TRUE;
}
/* truncate the file */
SetFilePointer( h, 0, NULL, FILE_BEGIN );
SetEndOfFile( h );
}
else
{
if (GetLastError() == ERROR_PATH_NOT_FOUND) create_directories( name );
h = CreateFileW( name, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL );
if (h == INVALID_HANDLE_VALUE)
{
ERR( "failed to create %s (error=%u)\n", debugstr_w(name), GetLastError() );
return FALSE;
}
}
module = LoadLibraryW( source );
ret = build_fake_dll( h, module );
CloseHandle( h );
if (module) FreeLibrary( module );
if (!ret) DeleteFileW( name );
return ret;
}
/***********************************************************************
* create_fake_dll
*/
BOOL create_fake_dll( const WCHAR *name, const WCHAR *source )
{
HANDLE h;
HMODULE module;
BOOL ret;
/* first check for an existing file */
h = CreateFileW( name, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
if (h != INVALID_HANDLE_VALUE)
{
if (!is_fake_dll( h ))
{
TRACE( "%s is not a fake dll, not overwriting it\n", debugstr_w(name) );
CloseHandle( h );
return TRUE;
}
/* truncate the file */
SetFilePointer( h, 0, NULL, FILE_BEGIN );
SetEndOfFile( h );
}
else
{
h = CreateFileW( name, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL );
if (h == INVALID_HANDLE_VALUE)
{
WARN( "failed to create %s\n", debugstr_w(name) );
return FALSE;
}
}
module = LoadLibraryW( source );
ret = build_fake_dll( h, module );
CloseHandle( h );
if (module) FreeLibrary( module );
if (!ret) DeleteFileW( name );
return ret;
}