517 lines
16 KiB
C++
517 lines
16 KiB
C++
// vchk.cpp : Defines the entry point for the console application.
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//
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#include "stdafx.h"
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#include "windows.h"
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#include "allowed.h"
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#include "vchk.h"
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#include "ilimpchk.h"
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// #include "dispinfo.h"
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#include <devguid.h>
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#include <setupapi.h>
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#include <regstr.h>
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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using namespace std;
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/////////////////////////////////////////////////////////////////////////////
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// The one and only application object
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inline
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void
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CDrvchkApp::PrintOut (LPCSTR str)
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{
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if (m_logf)
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fprintf (m_logf, "%s", str);
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else
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cerr << str;
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}
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inline
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void
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CDrvchkApp::PrintOut (unsigned num)
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{
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if (m_logf)
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fprintf (m_logf, "%d", num);
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else
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cerr << num;
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}
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ModulesAndImports allowed_modules;
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ModulesAndImports known_illegal;
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ModulesAndImports illegal_msgs;
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void BuildInAllowedAndIllegal (void)
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{
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allowed_modules.SetModule ("VIDEOPRT.SYS");
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known_illegal.SetModule ("HAL.dll");
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illegal_msgs.SetModule ("HAL.dll");
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illegal_msgs.AddImport ("HalAllocateCommonBuffer", "use VideoPortAllocateCommonBuffer");
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illegal_msgs.AddImport ("HalFreeCommonBuffer", "use VideoPortFreeCommonBuffer");
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known_illegal.AddImport ("HalGetAdapter", "obsolete; see DDK manual");
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known_illegal.AddImport ("HalGetBusData", "obsolete; see DDK manual");
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known_illegal.AddImport ("HalGetBusDataByOffset"); // warning
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known_illegal.AddImport ("HalSetBusData"); // warning
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known_illegal.AddImport ("HalSetBusDataByOffset"); // warning
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illegal_msgs.AddImport ("KeGetCurrentIrql", "use VideoPortGetCurrentIrql");
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illegal_msgs.AddImport ("KfAcquireSpinLock", "use VideoPortAcquireSpinLock");
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illegal_msgs.AddImport ("KfReleaseSpinLock", "use VideoPortReleaseSpinLock");
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illegal_msgs.AddImport ("READ_PORT_ULONG", "use VideoPortReadPortUlong");
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illegal_msgs.AddImport ("WRITE_PORT_ULONG", "use VideoPortWritePortUlong");
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known_illegal.SetModule ("NTOSKRNL.EXE");
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illegal_msgs.SetModule ("NTOSKRNL.EXE");
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known_illegal.AddImport ("MmQuerySystemSize"); // warning
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known_illegal.AddImport ("_except_handler3"); // warning
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known_illegal.AddImport ("ZwMapViewOfSection"); // warning
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known_illegal.AddImport ("ZwUnmapViewOfSection"); // warning
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known_illegal.AddImport ("IoAllocateMdl"); // warning
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known_illegal.AddImport ("IoFreeMdl"); // warning
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known_illegal.AddImport ("MmBuildMdlForNonPagedPool"); // warning
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known_illegal.AddImport ("MmGetPhysicalAddress"); // warning
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known_illegal.AddImport ("ObReferenceObjectByHandle"); // warning
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known_illegal.AddImport ("RtlUnwind"); // warning
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known_illegal.AddImport ("ZwOpenSection"); // warning
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illegal_msgs.AddImport ("ExAllocatePool", "use VideoPortAllocatePool");
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illegal_msgs.AddImport ("ExAllocatePoolWithTag", "use VideoPortAllocatePool");
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illegal_msgs.AddImport ("ExFreePool", "use VideoPortFreePool");
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illegal_msgs.AddImport ("ExFreePoolWithTag", "use VideoPortFreePool");
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illegal_msgs.AddImport ("KeClearEvent", "use VideoPortClearEvent");
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illegal_msgs.AddImport ("KeDelayExecutionThread", "use VideoPortStallExecution");
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illegal_msgs.AddImport ("KeInitializeDpc", "use VideoPortQueueDpc");
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illegal_msgs.AddImport ("KeInsertQueueDpc", "use VideoPortQueueDpc");
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illegal_msgs.AddImport ("KeInitializeSpinLock", "use VideoPortXxxSpinLockXxx");
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illegal_msgs.AddImport ("KeSetEvent", "use VideoPortSetEvent");
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illegal_msgs.AddImport ("MmAllocateContiguousMemory", "use VideoPortAllocateContiguousMemory");
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illegal_msgs.AddImport ("READ_REGISTER_UCHAR", "use VideoPortReadRegisterUchar");
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illegal_msgs.AddImport ("wcslen", "link to libcntpr.lib instead");
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illegal_msgs.AddImport ("WRITE_REGISTER_USHORT", "use VideoPortWriteRegisterUshort");
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illegal_msgs.AddImport ("WRITE_REGISTER_UCHAR", "use VideoPortWriteRegisterUchar");
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}
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int __cdecl _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
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{
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int nRetCode = 0;
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// cerr << ::GetCommandLine() << endl;
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// initialize MFC and print and error on failure
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if (AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
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{
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CDrvchkApp theApp;
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theApp.InitInstance ();
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}
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return nRetCode;
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}
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/////////////////////////////////////////////////////////////////////////////
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// CDrvchkApp construction
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CDrvchkApp::CDrvchkApp() :
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m_logf(NULL),
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m_drv_name ("")
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{
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// TODO: add construction code here,
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// Place all significant initialization in InitInstance
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}
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/////////////////////////////////////////////////////////////////////////////
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// The one and only CDrvchkApp object
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/*------------------------------------------------------------------------
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vchk /drv driver.dll /log logname.log /allow videoptr.sys
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/allowed_modules module1.sys FnName1 FnName2 FnName3 /allowed_modules module2.dll FnName4
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------------------------------------------------------------------------*/
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void
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CommandLine::ParseParam( LPCTSTR lpszParam, BOOL bFlag, BOOL bLast )
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{
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if (m_parse_error)
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return;
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CString param (lpszParam);
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if (bFlag) {
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param.MakeUpper();
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if (m_last_flag.GetLength()) {
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m_parse_error = TRUE;
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m_error_msg = CString("Flag ") + m_last_flag + CString(" requires a parameter.");
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} else if ((param==CString("LOG")) || (param==CString("DRV")) || (param==CString("MON")) ||
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(param==CString("ALLOW")) || (param==CString("allowed_modules"))) {
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m_last_flag = param;
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m_first_param = TRUE;
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} else {
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m_last_flag = "";
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m_parse_error = TRUE;
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m_error_msg = CString("Unrecognized flag: ") + param;
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}
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} else {
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if (m_last_flag==CString("ALLOW")) {
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allowed_modules.SetModule(param);
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/*
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sprintf (m_allowed, "%s", (LPCSTR)param);
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m_allowed += strlen (m_allowed);
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m_allowed[0] = 0;
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m_allowed[1] = 0;
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m_allowed++;
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*/
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} else if (m_last_flag==CString("allowed_modules")) {
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if (m_first_param) {
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allowed_modules.SetModule(param);
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m_first_param = FALSE;
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} else {
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allowed_modules.AddImport(param);
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}
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} else if (m_last_flag==CString("DRV")) {
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m_drv_fname = param;
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m_last_flag="";
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} else if (m_last_flag==CString("LOG")) {
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m_log_fname = param;
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m_last_flag="";
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} else if (m_last_flag==CString("MON")) {
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if (param.GetLength()==1) {
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char c = ((LPCSTR)param)[0];
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m_monitor = c - '1';
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} else {
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m_monitor = -1;
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m_error_msg = "bad command line: /MON flag has wrong parameter";
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m_parse_error = TRUE;
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}
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m_last_flag="";
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} else {
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m_parse_error = TRUE;
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m_error_msg = CString("Wrong parameter: ") + param;
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m_last_flag="";
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}
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}
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if (bLast) {
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if (m_last_flag==CString("LOG") || m_last_flag==CString("DRV")) {
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m_parse_error = TRUE;
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m_error_msg = CString("Flag ") + m_last_flag + CString(" requires a parameter.");
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}
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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// CDrvchkApp initialization
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BOOL CDrvchkApp::InitInstance()
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{
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// Standard initialization
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// If you are not using these features and wish to reduce the size
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m_os_ver_info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx (&m_os_ver_info);
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if (m_os_ver_info.dwPlatformId != VER_PLATFORM_WIN32_NT) { // doesn't work on Win9x
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PrintOut ("warning: unsupported OS (Win9x), nothing done.\n");
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return FALSE;
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}
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if (m_os_ver_info.dwMajorVersion!=5) { // doesn't work on NT version prior to Win2K
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PrintOut ("warning: unsupported OS (");
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PrintOut (m_os_ver_info.dwMajorVersion);
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PrintOut (".");
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PrintOut (m_os_ver_info.dwMinorVersion);
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PrintOut ("): nothing done.\n");
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return FALSE;
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}
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ParseCommandLine (m_cmd_line);
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BuildInAllowedAndIllegal();
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if (m_cmd_line.m_log_fname.GetLength()) {
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m_logf = fopen (m_cmd_line.m_log_fname, "a+");
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}
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if (m_cmd_line.m_parse_error) {
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PrintOut ("error: ");
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PrintOut ((LPCSTR)m_cmd_line.m_error_msg);
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PrintOut ("\n");
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} else {
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int device_num = m_cmd_line.m_monitor;
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if (m_cmd_line.m_drv_fname.GetLength()) {
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ChkDriver (m_cmd_line.m_drv_fname);
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} else {
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HDEVINFO hDevInfo;
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SP_DEVINFO_DATA did;
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// TCHAR szBuffer[256];
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DWORD index = 0;
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HKEY hkTest;
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HKEY hKey;
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ULONG ulType = 0;
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DWORD cbData = 0;
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DEVMODE dmCurrent;
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TCHAR szDeviceDescription[10000];
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TCHAR szImagePath[256];
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TCHAR szVarImagePath[256];
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TCHAR szExpImagePath[256];
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CString dev_desc_CtrlSet;
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hKey = 0;
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//
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// Let's find all the video drivers that are installed in the system
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//
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DISPLAY_DEVICE DisplayDevice;
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DisplayDevice.cb = sizeof (DisplayDevice);
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// cerr << "looking for device #" << device_num << endl;
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for (DWORD d=0, index=0; EnumDisplayDevices(NULL, index, &DisplayDevice, 0); index++) {
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// cerr << "device #" << d << endl;
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if (DisplayDevice.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) {
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// cerr << "DisplayDevice.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER\n";
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continue;
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}
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if (device_num!=d++) {
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// cerr << "device_num!=d\n";
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continue;
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}
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CString service_path = GetServiceRegistryPath (DisplayDevice);
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if (!service_path.GetLength()) {
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PrintOut ("error: cannot find video service\n");
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continue;
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}
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///// service known /////
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hKey = 0;
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cbData = sizeof szImagePath;
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if ((RegOpenKeyEx(HKEY_LOCAL_MACHINE, _TEXT(service_path), 0, KEY_READ, &hKey) != ERROR_SUCCESS) ||
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(RegQueryValueEx(hKey, _TEXT("ImagePath"), 0, &ulType, (LPBYTE)szImagePath, &cbData) != ERROR_SUCCESS) ||
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(cbData == 0)) {
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cbData = 0;
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PrintOut ("error: cannot find video driver\n");
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}
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if (hKey)
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RegCloseKey(hKey);
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if (cbData) {
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sprintf (szVarImagePath, "%%WINDIR%%\\%s", szImagePath);
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ExpandEnvironmentStrings (szVarImagePath, szExpImagePath, 256);
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// cerr << "szExpImagePath = " << szExpImagePath << endl;
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ChkDriver (szExpImagePath);
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}
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} // for each device
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} // look for system drivers
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} // if no cmd line error
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if (m_logf)
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fclose (m_logf);
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m_logf = NULL;
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return TRUE;
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}
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#define REGISTRY_MACHINE_OFS _tcslen(_TEXT("\\registry\\machine\\"))
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CString CDrvchkApp::GetServiceRegistryPath (DISPLAY_DEVICE& DisplayDevice)
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{
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HKEY hKey = NULL;
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CString result_service_path = CString("");;
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/*
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// dump Display Device
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//
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FILE* f=fopen("hjhj.txt", "wb");
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BYTE* p = (BYTE*)&DisplayDevice;
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for (int i=0; i<sizeof(DISPLAY_DEVICE); i++)
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fwrite (p+i, 1, 1, f);
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fclose(f);
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*/
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TCHAR device_key[256]; // Name of service (drivers)
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_tcscpy (device_key, DisplayDevice.DeviceKey+18);
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// cut the "\Device0" or "\0000" tail...
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TCHAR* pch = _tcsrchr(device_key, _TEXT('\\'));
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if (pch != NULL)
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*pch = 0;
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// cerr << "DisplayDevice.DeviceKey: " << device_key << endl;
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switch (m_os_ver_info.dwMinorVersion) {
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case 0:
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// cerr << "DisplayDevice.DeviceKey: " << device_key << endl;
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result_service_path = CString(device_key);
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break;
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case 1:
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{
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size_t len = _tcslen(device_key);
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sprintf (device_key+len, "\\Video");
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// cerr << "DisplayDevice.DeviceKey+REGISTRY_MACHINE_OFS: " << device_key << endl;
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BYTE service_name[256];
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ULONG ulReserved = 0;
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DWORD cbData = sizeof service_name;
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CString key_name = device_key;
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// cerr << key_name << endl;
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if ((RegOpenKeyEx(HKEY_LOCAL_MACHINE, _TEXT(key_name), 0, KEY_READ, &hKey) != ERROR_SUCCESS) ||
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(RegQueryValueEx(hKey, _TEXT("Service"), 0, &ulReserved, (LPBYTE)service_name, &cbData) != ERROR_SUCCESS) ||
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(cbData == 0)) {
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break;
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}
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// cerr << "Service reg name: " << service_name << endl;
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result_service_path = "SYSTEM\\CurrentControlSet\\Services\\";
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result_service_path += CString(service_name);
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// cerr << "Service reg path: " << (LPCSTR)result_service_path << endl;
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}
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break;
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default:
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PrintOut ("warning: unknown system version 5.");
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PrintOut (m_os_ver_info.dwMinorVersion);
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PrintOut ("\n");
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}
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if (hKey)
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RegCloseKey(hKey);
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return result_service_path;
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}
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void CDrvchkApp::ChkDriver (CString drv_name)
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{
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m_drv_name = drv_name;
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cerr << (LPCSTR)m_drv_name << endl;
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InitIllegalImportsSearch (m_drv_name, "INIT");
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if (CheckDriverAndPrintResults ()) {
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PrintOut ("success: no illegal imports in ");
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PrintOut (m_drv_name);
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PrintOut ("\n");
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}
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}
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BOOL CDrvchkApp::CheckDriverAndPrintResults ()
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{
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Names Modules = CheckSectionsForImports ();
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if (!Modules.Ptr) {
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PrintOut ("error: cannot retrieve import information from ");
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PrintOut (m_drv_name);
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PrintOut ("\n");
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return FALSE;
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}
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int errors_found = 0;
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for (int i=0;
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i<Modules.Num;
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Modules.Ptr = GetNextName(Modules.Ptr), i++) {
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Names Imports = GetImportsList (Modules.Ptr);
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// cerr << "Checking " << (LPCSTR)Modules.Ptr << endl;
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CString module_name (Modules.Ptr);
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if (allowed_modules.IsModule(module_name)) {
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// cerr << "ALLOWED " << (LPCSTR)module_name << endl;
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continue;
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}
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BOOL KnownIllegals = known_illegal.IsModule(module_name);
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if (KnownIllegals) {
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// cerr << "KNOWN ILLEGALS FROM " << (LPCSTR)module_name << endl;
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}
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LPSTR ImportsPtr = Imports.Ptr;
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// cerr << "Imports.Num = " << Imports.Num << endl;
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for (int j=0;
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j<Imports.Num;
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Imports.Ptr = GetNextName (Imports.Ptr), j++) {
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// cerr << "j=" << j << "\n";
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CString msg = "";
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CString ImportFnName = CString(Modules.Ptr) +
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CString("!") +
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CString(Imports.Ptr);
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if (KnownIllegals && known_illegal.Lookup(Imports.Ptr, msg))
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PrintOut ("warning: ");
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else {
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errors_found ++;
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illegal_msgs.Lookup(Imports.Ptr, msg);
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PrintOut ("error: ");
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}
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PrintOut (m_drv_name);
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PrintOut (": ");
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PrintOut (ImportFnName);
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if (msg.GetLength()) {
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PrintOut (" -- ");
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PrintOut (msg);
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}
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PrintOut ("\n");
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}
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if (ImportsPtr)
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HeapFree (GetProcessHeap(), 0, ImportsPtr);
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}
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/*
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char buf[1024];
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sprintf (buf, "%d modules; %d imports", Modules.Num, errors_found);
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if (m_listf) {
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fprintf (m_listf, "\n%s\n\n", buf);
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}
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*/
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return (errors_found==0);
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}
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