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1130 lines
24 KiB
1130 lines
24 KiB
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//
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// Template driver user-mode controller
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// Copyright (c) Microsoft Corporation, 1999.
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//
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// Module: tcontrol.cxx
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// Author: Silviu Calinoiu (SilviuC)
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// Created: 4/20/1999 3:40pm
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//
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// This module contains a user-mode controller for a template
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// driver.
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//
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// --- History ---
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//
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// 4/20/1999 (SilviuC): initial version.
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//
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#include <stdlib.h>
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#include <stdio.h>
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#include <tchar.h>
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#include <windows.h>
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#include <winioctl.h>
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#include <time.h>
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#define NO_BUGGY_FUNCTIONS
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#define FUNS_DEFINITION_MODULE
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#include "..\driver\tdriver.h"
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#include "..\driver\funs.h"
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//
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// Get rid of performance warnings for BOOL to bool conversions
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//
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#pragma warning (disable: 4800)
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bool TdCreateService (LPCTSTR DriverName);
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bool TdDeleteService (LPCTSTR DriverName);
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bool TdStartService (LPCTSTR DriverName);
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bool TdStopService (LPCTSTR DriverName);
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bool TdOpenDevice (LPCTSTR DriverName, PHANDLE DeviceHandle);
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bool TdCloseDevice (HANDLE Device);
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bool TdSendIoctl (IN HANDLE Device, IN DWORD Ioctl, IN PVOID pData OPTIONAL, IN ULONG uDataSize OPTIONAL);
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void TdSectMapProcessAddressSpaceTest();
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void TdSectMapSystemAddressSpaceTest();
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VOID
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TdReservedMapSetSize( int argc, char *argv[] );
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VOID
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TdReservedMapRead( VOID );
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BOOL
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ProcessCommandLine (
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LPCTSTR Option
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);
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ULONG_PTR
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UtilHexStringToUlongPtr( char *szHexNumber );
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///////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////// Main()
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///////////////////////////////////////////////////////////////////////////////
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void _cdecl
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main (int argc, char *argv[])
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{
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BOOL DisplayHelp;
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HANDLE Device;
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DWORD Index;
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char *pCrtChar;
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DisplayHelp = FALSE;
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try {
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if (argc == 3 && _stricmp (argv[1], "/create") == 0) {
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TdCreateService (argv[2]);
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}
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else if (argc == 3 && _stricmp (argv[1], "/delete") == 0) {
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TdDeleteService (argv[2]);
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}
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else if (argc == 3 && _stricmp (argv[1], "/start") == 0) {
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TdStartService (argv[2]);
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}
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else if (argc == 3 && _stricmp (argv[1], "/stop") == 0) {
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TdStopService (argv[2]);
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}
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else if (argc == 2 && _stricmp (argv[1], "/sectionmaptest") == 0) {
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TdSectMapProcessAddressSpaceTest();
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}
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else if (argc == 2 && _stricmp (argv[1], "/sectionmaptestsysspace") == 0) {
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TdSectMapSystemAddressSpaceTest();
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}
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else if ( argc >= 2 && _stricmp (argv[1], "/ReservedMapSetSize") == 0) {
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TdReservedMapSetSize( argc, argv );
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}
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else if ( argc >= 2 && _stricmp (argv[1], "/ReservedMapRead") == 0) {
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TdReservedMapRead();
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}
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else if (argc >= 2 && _stricmp (argv[1], "/ioctlbugcheck") == 0) {
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//
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// Send the bugcheck parameters from the command line
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//
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BUGCHECK_PARAMS BugcheckParams;
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ZeroMemory( &BugcheckParams, sizeof( BugcheckParams ) );
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//
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// Bugcheck code
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//
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if( argc >= 3 )
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{
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BugcheckParams.BugCheckCode = (ULONG)UtilHexStringToUlongPtr( argv[ 2 ] );
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}
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//
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// Bugcheck paramaters
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//
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for( int nCrtCommandLineArg = 3; nCrtCommandLineArg < argc; nCrtCommandLineArg++ )
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{
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BugcheckParams.BugCheckParameters[ nCrtCommandLineArg - 3 ] =
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UtilHexStringToUlongPtr( argv[ nCrtCommandLineArg ] );
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}
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//
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// Send the IOCTL to the driver
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//
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HANDLE Device;
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if ( TdOpenDevice ("buggy", &Device) ) {
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TdSendIoctl (
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Device,
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IOCTL_TD_BUGCHECK,
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&BugcheckParams,
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sizeof( BugcheckParams ) );
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TdCloseDevice (Device);
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}
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}
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else {
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if (argc >= 2 && ProcessCommandLine (argv[1]) == FALSE) {
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DisplayHelp = TRUE;
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}
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}
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}
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catch (char * Message) {
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printf ("Error: s", GetLastError(), Message);
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}
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if ( DisplayHelp == TRUE ) {
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printf ("ctlbuggy /create DRIVER \n");
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printf ("ctlbuggy /delete DRIVER \n");
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printf ("ctlbuggy /start DRIVER \n");
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printf ("ctlbuggy /stop DRIVER \n");
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printf (" \n");
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printf ("ctlbuggy /sectionmaptest \n");
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printf ("ctlbuggy /sectionmaptestsysspace \n");
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printf (" \n");
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printf ("ctlbuggy IOCTL-NAME \n");
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printf ("\n\n");
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for (Index = 0; BuggyFuns[Index].Ioctl != 0 && BuggyFuns[Index].Command != NULL; Index++) {
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printf("ctlbuggy %s \n", BuggyFuns[Index].Command);
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}
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printf ("\n");
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exit (1);
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}
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exit( 0 );
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}
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BOOL
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ProcessCommandLine (
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LPCTSTR Option
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)
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/*++
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Routine Description:
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This routine tries to figure out if the command line option
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is specifies one of the ioctls that can be processed.
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Arguments:
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`Option' - command line option.
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Return Value:
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TRUE if an option has been found and processed.
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FALSE otherwise.
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Environment:
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Nothing special.
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--*/
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{
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DWORD Index;
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HANDLE Device;
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BOOL Result = FALSE;
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for (Index = 0; BuggyFuns[Index].Ioctl != 0; Index++) {
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if (BuggyFuns[Index].Command != NULL && _stricmp (BuggyFuns[Index].Command, Option) == 0) {
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if ( TdOpenDevice ("buggy", &Device) ) {
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TdSendIoctl (Device, BuggyFuns[Index].Ioctl, NULL, 0);
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if (BuggyFuns[Index].Ioctl == IOCTL_TD_NONPAGEDPOOLMDLTEST_MAP)
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{
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//
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// Sleep for a while
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//
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//DWORD SleepTime = 2 * 60 * 1000;
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DWORD SleepTime = 10 * 1000;
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printf ("Sleeping for %u millisec\n",
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SleepTime);
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Sleep (SleepTime);
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//
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// Unmap the memory.
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//
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printf ("Unmapping memory.\n");
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TdSendIoctl (Device, IOCTL_TD_NONPAGEDPOOLMDLTEST_UNMAP, NULL, 0);
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}
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TdCloseDevice (Device);
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Result = TRUE;
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break;
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}
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}
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}
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return Result;
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}
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///////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////// Driver load/unload
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///////////////////////////////////////////////////////////////////////////////
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bool
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TdCreateService (
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LPCTSTR DriverName)
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{
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SC_HANDLE ServiceManager = NULL;
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SC_HANDLE ServiceHandle = NULL;
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BOOL ReturnValue;
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HANDLE Driver;
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TCHAR ScratchBuffer [MAX_PATH];
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TCHAR DriverPath [MAX_PATH];
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TCHAR DevicePath [MAX_PATH];
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try {
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GetSystemDirectory (ScratchBuffer, sizeof ScratchBuffer);
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_stprintf (DriverPath, "%s\\drivers\\%s.sys", ScratchBuffer, DriverName);
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_stprintf (DevicePath, "\\\\.\\%s", DriverName);
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//
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// Open the service control manager
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//
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ServiceManager = OpenSCManager (
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NULL,
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NULL,
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SC_MANAGER_ALL_ACCESS);
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if (ServiceManager == NULL) {
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throw "OpenScManager()";
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}
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//
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// Create the service
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//
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printf("Driver path: %s \n", DriverPath);
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printf("Device path: %s \n", DevicePath);
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ServiceHandle = CreateService (
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ServiceManager, // handle to SC manager
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DriverName, // name of service
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DriverName, // display name
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SERVICE_ALL_ACCESS, // access mask
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SERVICE_KERNEL_DRIVER, // service type
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SERVICE_DEMAND_START, // start type
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SERVICE_ERROR_NORMAL, // error control
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DriverPath, // full path to driver
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NULL, // load ordering
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NULL, // tag id
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NULL, // dependency
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NULL, // account name
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NULL); // password
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if (ServiceHandle == NULL && GetLastError() != ERROR_SERVICE_EXISTS) {
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throw "CreateService()";
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}
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ReturnValue = TRUE;
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}
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catch (char * Msg) {
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printf("Error: %u: %s\n", GetLastError(), Msg);
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fflush (stdout);
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ReturnValue = FALSE;
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}
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//
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// Close handles and return.
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//
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if (ServiceHandle) {
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CloseServiceHandle (ServiceHandle);
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}
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if (ServiceManager) {
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CloseServiceHandle (ServiceManager);
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}
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return ReturnValue;
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}
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bool
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TdStartService (
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LPCTSTR DriverName)
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{
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SC_HANDLE ServiceManager = NULL;
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SC_HANDLE ServiceHandle = NULL;
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BOOL ReturnValue;
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HANDLE Driver;
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TCHAR ScratchBuffer [MAX_PATH];
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TCHAR DriverPath [MAX_PATH];
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TCHAR DevicePath [MAX_PATH];
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try {
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GetSystemDirectory (ScratchBuffer, sizeof ScratchBuffer);
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_stprintf (DriverPath, "%s\\drivers\\%s.sys", ScratchBuffer, DriverName);
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_stprintf (DevicePath, "\\\\.\\%s", DriverName);
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//
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// Open the service control manager
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//
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ServiceManager = OpenSCManager (
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NULL,
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NULL,
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SC_MANAGER_ALL_ACCESS);
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if (ServiceManager == NULL) {
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throw "OpenScManager()";
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}
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//
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// Open the service. The function assumes that
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// TdCreateService has been called before this one
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// and the service is already installed.
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//
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ServiceHandle = OpenService (
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ServiceManager,
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DriverName,
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SERVICE_ALL_ACCESS);
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if (ServiceHandle == NULL) {
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throw "OpenService()";
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}
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//
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// Start the service
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//
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if (! StartService (ServiceHandle, 0, NULL)) {
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if (GetLastError() != ERROR_SERVICE_ALREADY_RUNNING) {
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throw "StartService()";
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}
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}
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ReturnValue = TRUE;
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}
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catch (char * Msg) {
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printf("Error: %u: %s\n", GetLastError(), Msg);
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fflush (stdout);
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ReturnValue = FALSE;
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}
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//
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// Close handles and return.
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//
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if (ServiceHandle) {
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CloseServiceHandle (ServiceHandle);
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}
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if (ServiceManager) {
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CloseServiceHandle (ServiceManager);
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}
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return ReturnValue;
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}
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|
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bool
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TdStopService (
|
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|
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LPCTSTR DriverName)
|
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{
|
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SC_HANDLE ServiceManager = NULL;
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SC_HANDLE ServiceHandle = NULL;
|
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SERVICE_STATUS ServiceStatus;
|
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BOOL ReturnValue;
|
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|
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try {
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//
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// Open the service control manager
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//
|
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ServiceManager = OpenSCManager (
|
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NULL,
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NULL,
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SC_MANAGER_ALL_ACCESS);
|
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|
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if (ServiceManager == NULL) {
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throw "OpenSCManager()";
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}
|
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|
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//
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// Open the service so we can stop it
|
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//
|
|
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ServiceHandle = OpenService (
|
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ServiceManager,
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DriverName,
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SERVICE_ALL_ACCESS);
|
|
|
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if (ServiceHandle == NULL) {
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throw "OpenService()";
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}
|
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|
|
//
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// Stop the service
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//
|
|
|
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if (! ControlService (ServiceHandle, SERVICE_CONTROL_STOP, &ServiceStatus)) {
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throw "ControlService()";
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}
|
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ReturnValue = TRUE;
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}
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catch (char * Msg) {
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printf("Error: %u: %s\n", GetLastError(), Msg);
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fflush (stdout);
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ReturnValue = FALSE;
|
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}
|
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|
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//
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// Close handles ans return.
|
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//
|
|
|
|
if (ServiceHandle) {
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CloseServiceHandle (ServiceHandle);
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}
|
|
|
|
if (ServiceManager) {
|
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CloseServiceHandle (ServiceManager);
|
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}
|
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|
|
return ReturnValue;
|
|
}
|
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|
|
bool
|
|
TdDeleteService (
|
|
|
|
LPCTSTR DriverName)
|
|
{
|
|
SC_HANDLE ServiceManager = NULL;
|
|
SC_HANDLE ServiceHandle = NULL;
|
|
SERVICE_STATUS ServiceStatus;
|
|
BOOL ReturnValue;
|
|
|
|
try {
|
|
|
|
//
|
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// Open the service control manager
|
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//
|
|
|
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ServiceManager = OpenSCManager (
|
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|
|
NULL,
|
|
NULL,
|
|
SC_MANAGER_ALL_ACCESS);
|
|
|
|
if (ServiceManager == NULL) {
|
|
throw "OpenSCManager()";
|
|
}
|
|
|
|
//
|
|
// Open the service so we can stop it
|
|
//
|
|
|
|
ServiceHandle = OpenService (
|
|
|
|
ServiceManager,
|
|
DriverName,
|
|
SERVICE_ALL_ACCESS);
|
|
|
|
if (ServiceHandle == NULL) {
|
|
throw "OpenService()";
|
|
}
|
|
|
|
//
|
|
// Delete the service
|
|
//
|
|
|
|
if (! DeleteService (ServiceHandle)) {
|
|
if (GetLastError() != ERROR_SERVICE_MARKED_FOR_DELETE) {
|
|
throw "DeleteService()";
|
|
}
|
|
}
|
|
|
|
ReturnValue = TRUE;
|
|
}
|
|
catch (char * Msg) {
|
|
|
|
printf("Error: %u: %s\n", GetLastError(), Msg);
|
|
fflush (stdout);
|
|
ReturnValue = FALSE;
|
|
}
|
|
|
|
//
|
|
// Close handles ans return.
|
|
//
|
|
|
|
if (ServiceHandle) {
|
|
CloseServiceHandle (ServiceHandle);
|
|
}
|
|
|
|
if (ServiceManager) {
|
|
CloseServiceHandle (ServiceManager);
|
|
}
|
|
|
|
return ReturnValue;
|
|
}
|
|
|
|
bool
|
|
TdOpenDevice (
|
|
|
|
LPCTSTR DriverName,
|
|
PHANDLE DeviceHandle)
|
|
{
|
|
SC_HANDLE ServiceManager = NULL;
|
|
SC_HANDLE ServiceHandle = NULL;
|
|
BOOL ReturnValue;
|
|
HANDLE Device;
|
|
TCHAR ScratchBuffer [MAX_PATH];
|
|
TCHAR DriverPath [MAX_PATH];
|
|
TCHAR DevicePath [MAX_PATH];
|
|
|
|
//
|
|
// Sanity checks
|
|
//
|
|
|
|
if (DeviceHandle == NULL) {
|
|
return FALSE;
|
|
}
|
|
|
|
try {
|
|
|
|
GetSystemDirectory (ScratchBuffer, sizeof ScratchBuffer);
|
|
_stprintf (DriverPath, "%s\\drivers\\%s.sys", ScratchBuffer, DriverName);
|
|
_stprintf (DevicePath, "\\\\.\\%s", DriverName);
|
|
|
|
//
|
|
// Open the service control manager
|
|
//
|
|
|
|
ServiceManager = OpenSCManager (
|
|
|
|
NULL,
|
|
NULL,
|
|
SC_MANAGER_ALL_ACCESS);
|
|
|
|
if (ServiceManager == NULL) {
|
|
throw "OpenScManager()";
|
|
}
|
|
|
|
//
|
|
// Service should already exist.
|
|
//
|
|
|
|
ServiceHandle = OpenService (
|
|
|
|
ServiceManager,
|
|
DriverName,
|
|
SERVICE_ALL_ACCESS);
|
|
|
|
if (ServiceHandle == NULL) {
|
|
throw "OpenService()";
|
|
}
|
|
|
|
//
|
|
// Open the device
|
|
//
|
|
|
|
Device = CreateFile (
|
|
|
|
DevicePath,
|
|
GENERIC_READ|GENERIC_WRITE,
|
|
0,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
NULL);
|
|
|
|
if (Device == INVALID_HANDLE_VALUE) {
|
|
throw "CreateFile()";
|
|
}
|
|
|
|
ReturnValue = TRUE;
|
|
}
|
|
catch (char * Msg) {
|
|
|
|
printf("Error: %u: %s\n", GetLastError(), Msg);
|
|
fflush (stdout);
|
|
ReturnValue = FALSE;
|
|
}
|
|
|
|
//
|
|
// Close handles and return.
|
|
//
|
|
|
|
if (ServiceHandle) {
|
|
CloseServiceHandle (ServiceHandle);
|
|
}
|
|
|
|
if (ServiceManager) {
|
|
CloseServiceHandle (ServiceManager);
|
|
}
|
|
|
|
if (Device != INVALID_HANDLE_VALUE) {
|
|
*DeviceHandle = Device;
|
|
}
|
|
|
|
return ReturnValue;
|
|
|
|
}
|
|
|
|
bool
|
|
TdCloseDevice (
|
|
|
|
HANDLE Device)
|
|
{
|
|
if (Device == INVALID_HANDLE_VALUE) {
|
|
return false;
|
|
}
|
|
|
|
return CloseHandle(Device);
|
|
}
|
|
|
|
//
|
|
// Function:
|
|
//
|
|
// SendIoctl
|
|
//
|
|
// Description:
|
|
//
|
|
// This function sends an ioctl code to the driver.
|
|
//
|
|
|
|
bool
|
|
TdSendIoctl (
|
|
|
|
IN HANDLE Driver,
|
|
IN DWORD Ioctl,
|
|
IN PVOID pData OPTIONAL,
|
|
IN ULONG uDataSize OPTIONAL )
|
|
{
|
|
DWORD BytesReturned;
|
|
BOOL Result;
|
|
|
|
if (Driver == INVALID_HANDLE_VALUE) {
|
|
return false;
|
|
}
|
|
|
|
Result = DeviceIoControl (
|
|
|
|
Driver,
|
|
Ioctl,
|
|
pData,
|
|
uDataSize,
|
|
NULL,
|
|
0,
|
|
&BytesReturned,
|
|
NULL);
|
|
|
|
return Result == TRUE;
|
|
}
|
|
|
|
//
|
|
//
|
|
//
|
|
#if _MSC_FULL_VER >= 13008827
|
|
#pragma warning(push)
|
|
#pragma warning(disable:4715) // Not all control paths return (due to infinite loop)
|
|
#endif
|
|
|
|
DWORD
|
|
MapProcessAddressSpaceThread( LPVOID lpData )
|
|
{
|
|
HANDLE hDevice;
|
|
DWORD dwTimeToSleep;
|
|
|
|
hDevice = (HANDLE)lpData;
|
|
|
|
while( TRUE )
|
|
{
|
|
dwTimeToSleep = rand() % 5000;
|
|
|
|
Sleep( dwTimeToSleep );
|
|
|
|
TdSendIoctl (hDevice, IOCTL_TD_SECTION_MAP_TEST_PROCESS_SPACE, NULL, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if _MSC_FULL_VER >= 13008827
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
|
|
//
|
|
//
|
|
//
|
|
|
|
#define TD_MAPSECT_TEST_THREADS 4
|
|
|
|
void TdSectMapProcessAddressSpaceTest()
|
|
{
|
|
HANDLE Device;
|
|
time_t theTime;
|
|
int nCrtThread;
|
|
DWORD dwThreadId;
|
|
TCHAR strMessage[ 128 ];
|
|
|
|
time( &theTime );
|
|
|
|
_stprintf(
|
|
strMessage,
|
|
"Process %u, rand seed = %u\n",
|
|
GetCurrentProcessId(),
|
|
(unsigned int)theTime );
|
|
|
|
OutputDebugString( strMessage );
|
|
|
|
srand( (unsigned int)theTime );
|
|
|
|
if( TdOpenDevice ("buggy", &Device) )
|
|
{
|
|
for( nCrtThread = 0; nCrtThread < TD_MAPSECT_TEST_THREADS - 1; nCrtThread++ )
|
|
{
|
|
CreateThread(
|
|
NULL,
|
|
0,
|
|
MapProcessAddressSpaceThread,
|
|
(LPVOID)Device,
|
|
0,
|
|
&dwThreadId );
|
|
}
|
|
|
|
//
|
|
// reuse the main thread
|
|
//
|
|
|
|
MapProcessAddressSpaceThread( (LPVOID)Device );
|
|
|
|
TdCloseDevice (Device);
|
|
}
|
|
}
|
|
|
|
//
|
|
//
|
|
//
|
|
|
|
#if _MSC_FULL_VER >= 13008827
|
|
#pragma warning(push)
|
|
#pragma warning(disable:4715) // Not all control paths return (due to infinite loop)
|
|
#endif
|
|
DWORD
|
|
MapSystemAddressSpaceThread( LPVOID lpData )
|
|
{
|
|
HANDLE hDevice;
|
|
DWORD dwTimeToSleep;
|
|
|
|
hDevice = (HANDLE)lpData;
|
|
|
|
while( TRUE )
|
|
{
|
|
dwTimeToSleep = rand() % 5000;
|
|
|
|
Sleep( dwTimeToSleep );
|
|
|
|
TdSendIoctl (hDevice, IOCTL_TD_SECTION_MAP_TEST_SYSTEM_SPACE, NULL, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#if _MSC_FULL_VER >= 13008827
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
|
|
//
|
|
//
|
|
//
|
|
|
|
void TdSectMapSystemAddressSpaceTest()
|
|
{
|
|
HANDLE Device;
|
|
time_t theTime;
|
|
int nCrtThread;
|
|
DWORD dwThreadId;
|
|
TCHAR strMessage[ 128 ];
|
|
|
|
time( &theTime );
|
|
|
|
_stprintf(
|
|
strMessage,
|
|
"Process %u, rand seed = %u\n",
|
|
GetCurrentProcessId(),
|
|
(unsigned int)theTime );
|
|
|
|
OutputDebugString( strMessage );
|
|
|
|
srand( (unsigned int)theTime );
|
|
|
|
if( TdOpenDevice ("buggy", &Device) )
|
|
{
|
|
for( nCrtThread = 0; nCrtThread < TD_MAPSECT_TEST_THREADS - 1; nCrtThread++ )
|
|
{
|
|
CreateThread(
|
|
NULL,
|
|
0,
|
|
MapProcessAddressSpaceThread,
|
|
(LPVOID)Device,
|
|
0,
|
|
&dwThreadId );
|
|
}
|
|
|
|
//
|
|
// reuse the main thread - only this thread will map into system address space
|
|
//
|
|
|
|
MapSystemAddressSpaceThread( (LPVOID)Device );
|
|
|
|
TdCloseDevice (Device);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Convert a hex string from the command line to an UNLONG_PTR
|
|
//
|
|
|
|
ULONG_PTR
|
|
UtilHexStringToUlongPtr( char *szHexNumber )
|
|
{
|
|
ULONG_PTR uNewDigit;
|
|
ULONG_PTR uResult = 0;
|
|
char *pCrtChar = szHexNumber;
|
|
|
|
while( ( *pCrtChar ) != (char)0 )
|
|
{
|
|
uNewDigit = 0;
|
|
|
|
if( ( *pCrtChar ) >= '0' && ( *pCrtChar ) <= '9' )
|
|
{
|
|
uNewDigit = ( *pCrtChar ) - '0';
|
|
}
|
|
else
|
|
{
|
|
if( ( *pCrtChar ) >= 'A' && ( *pCrtChar ) <= 'F' )
|
|
{
|
|
uNewDigit = ( *pCrtChar ) - 'A' + 10;
|
|
}
|
|
else
|
|
{
|
|
if( ( *pCrtChar ) >= 'a' && ( *pCrtChar ) <= 'f' )
|
|
{
|
|
uNewDigit = ( *pCrtChar ) - 'a' + 10;
|
|
}
|
|
}
|
|
}
|
|
|
|
uResult = uResult * 16 + uNewDigit;
|
|
|
|
pCrtChar++;
|
|
}
|
|
|
|
return uResult;
|
|
}
|
|
|
|
//
|
|
// Set the current reserved size and address as asked by the user
|
|
//
|
|
|
|
|
|
VOID
|
|
TdReservedMapSetSize(
|
|
int argc,
|
|
char *argv[] )
|
|
{
|
|
SIZE_T NewSize;
|
|
HANDLE Device;
|
|
time_t theTime;
|
|
TCHAR strMessage[ 128 ];
|
|
|
|
if( argc >= 3 )
|
|
{
|
|
//
|
|
// User-specified buffer size
|
|
//
|
|
|
|
NewSize = atoi( argv[ 2 ] );
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Seed the random numbers generator
|
|
//
|
|
|
|
time( &theTime );
|
|
|
|
_stprintf(
|
|
strMessage,
|
|
"Process %u, rand seed = %u\n",
|
|
GetCurrentProcessId(),
|
|
(unsigned int)theTime );
|
|
|
|
OutputDebugString( strMessage );
|
|
|
|
srand( (unsigned int)theTime );
|
|
|
|
//
|
|
// New size is random, up to 10 pages
|
|
//
|
|
|
|
NewSize = ( abs( rand() ) % 10 + 1 ) * 0x1000;
|
|
}
|
|
|
|
if( TdOpenDevice ("buggy", &Device) )
|
|
{
|
|
printf( "TdReservedMapSetSize: sending size %p\n",
|
|
NewSize );
|
|
|
|
TdSendIoctl (
|
|
Device,
|
|
IOCTL_TD_RESERVEDMAP_SET_SIZE,
|
|
&NewSize,
|
|
sizeof( NewSize ) );
|
|
|
|
TdCloseDevice (Device);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Ask for a "read" operation from our driver
|
|
//
|
|
|
|
VOID
|
|
TdReservedMapRead( VOID )
|
|
{
|
|
HANDLE Device;
|
|
time_t theTime;
|
|
SIZE_T ReadBufferSize;
|
|
SIZE_T ReadPages;
|
|
SIZE_T CrtReadPage;
|
|
PSIZE_T CrtPageAddress;
|
|
PVOID UserBuffer;
|
|
BOOL Success;
|
|
SYSTEM_INFO SystemInfo;
|
|
TCHAR strMessage[ 128 ];
|
|
|
|
//
|
|
// Get the page size
|
|
//
|
|
|
|
GetSystemInfo(
|
|
&SystemInfo );
|
|
|
|
//
|
|
// Seed the random numbers generator
|
|
//
|
|
|
|
time( &theTime );
|
|
|
|
_stprintf(
|
|
strMessage,
|
|
"Process %u, rand seed = %u\n",
|
|
GetCurrentProcessId(),
|
|
(unsigned int)theTime );
|
|
|
|
//OutputDebugString( strMessage );
|
|
puts( strMessage );
|
|
|
|
srand( (unsigned int)theTime );
|
|
|
|
//
|
|
// Choose a size >= PAGE_SIZE and <= ~1 Mb
|
|
//
|
|
|
|
ReadBufferSize = abs( rand() * rand() * rand() ) % ( 1024 * 1024 ) + SystemInfo.dwPageSize;
|
|
|
|
UserBuffer = VirtualAlloc(
|
|
NULL,
|
|
ReadBufferSize,
|
|
MEM_RESERVE | MEM_COMMIT,
|
|
PAGE_READWRITE );
|
|
|
|
if( NULL != UserBuffer )
|
|
{
|
|
if( TdOpenDevice ("buggy", &Device) )
|
|
{
|
|
//
|
|
// Prepare the parameters to the driver
|
|
//
|
|
|
|
USER_READ_BUFFER UserReadBuffer;
|
|
|
|
UserReadBuffer.UserBuffer = UserBuffer;
|
|
UserReadBuffer.UserBufferSize = ReadBufferSize;
|
|
|
|
_stprintf(
|
|
strMessage,
|
|
"TdReservedMapRead: sending buffer %p, size %p\n",
|
|
UserReadBuffer.UserBuffer,
|
|
UserReadBuffer.UserBufferSize );
|
|
|
|
//OutputDebugString( strMessage );
|
|
puts( strMessage );
|
|
|
|
//
|
|
// Send the request to the driver
|
|
//
|
|
|
|
Success = TdSendIoctl (
|
|
Device,
|
|
IOCTL_TD_RESERVEDMAP_READ_OP,
|
|
&UserReadBuffer,
|
|
sizeof( UserReadBuffer ) );
|
|
|
|
if( TRUE == Success )
|
|
{
|
|
//
|
|
// If the call succeeded then we check the validity of data returned by the driver
|
|
//
|
|
|
|
ReadPages = ReadBufferSize / SystemInfo.dwPageSize;
|
|
CrtPageAddress = (PSIZE_T)UserBuffer;
|
|
|
|
for( CrtReadPage = 1; CrtReadPage <= ReadPages; CrtReadPage++ )
|
|
{
|
|
if( *CrtPageAddress != CrtReadPage )
|
|
{
|
|
_stprintf(
|
|
strMessage,
|
|
"Incorrect data received from buggy.sys: page %p, expected %p, actual data %p\n",
|
|
CrtPageAddress,
|
|
CrtReadPage,
|
|
*CrtPageAddress );
|
|
|
|
OutputDebugString( strMessage );
|
|
|
|
DebugBreak();
|
|
}
|
|
|
|
CrtPageAddress = (PSIZE_T) ( (PCHAR)CrtPageAddress + SystemInfo.dwPageSize );
|
|
ReadPages -= 1;
|
|
}
|
|
|
|
}
|
|
|
|
TdCloseDevice (Device);
|
|
}
|
|
|
|
VirtualFree(
|
|
UserBuffer,
|
|
0,
|
|
MEM_RELEASE );
|
|
}
|
|
|
|
}
|
|
|
|
//
|
|
// End of file
|
|
//
|
|
|
|
|