Leaked source code of windows server 2003
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//--------------------------------------------------------------------------------
//
// File: sigtab.cpp
//
// Copyright (c) Microsoft Corp. All Rights Reserved
//
//--------------------------------------------------------------------------------
#include "sigtab.h"
HINSTANCE g_hInst = NULL;
//---------------------------------------------------------------------------
// DllMain()
//---------------------------------------------------------------------------
int APIENTRY DllMain( HINSTANCE hInstance, DWORD dwReason, LPVOID )
{
if ( dwReason == DLL_PROCESS_ATTACH ) { // Initializing
g_hInst = hInstance;
DisableThreadLibraryCalls(hInstance);
}
return 1;
}
void GetCurrentDriverSigningPolicy( LPDWORD lpdwDefault, LPDWORD lpdwPolicy, LPDWORD lpdwPreference )
{
SYSTEMTIME RealSystemTime;
DWORD dwSize, dwType;
DWORD dwDefault, dwPolicy, dwPreference;
HKEY hKey;
CONST TCHAR pszDrvSignPath[] = REGSTR_PATH_DRIVERSIGN;
CONST TCHAR pszDrvSignPolicyPath[] = REGSTR_PATH_DRIVERSIGN_POLICY;
CONST TCHAR pszDrvSignPolicyValue[] = REGSTR_VAL_POLICY;
CONST TCHAR pszDrvSignBehaviorOnFailedVerifyDS[] = REGSTR_VAL_BEHAVIOR_ON_FAILED_VERIFY;
dwPolicy = dwPreference = (DWORD) -1;
RealSystemTime.wDayOfWeek = LOWORD(&hKey) | 4;
pSetupGetRealSystemTime(&RealSystemTime);
dwDefault = (((RealSystemTime.wMilliseconds+2)&15)^8)/4;
//
// Retrieve the user policy.
//
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER,
pszDrvSignPolicyPath,
0,
KEY_READ,
&hKey)) {
dwSize = sizeof(dwPolicy);
if (ERROR_SUCCESS == RegQueryValueEx(hKey,
pszDrvSignBehaviorOnFailedVerifyDS,
NULL,
&dwType,
(PBYTE)&dwPolicy,
&dwSize)) {
//
// Finally, make sure a valid policy value was specified.
//
if ((dwType != REG_DWORD) ||
(dwSize != sizeof(DWORD)) ||
!((dwPolicy == DRIVERSIGN_NONE) || (dwPolicy == DRIVERSIGN_WARNING) || (dwPolicy == DRIVERSIGN_BLOCKING))) {
//
// Bogus entry for user policy--ignore it.
//
dwPolicy = DRIVERSIGN_NONE;
}
}
RegCloseKey(hKey);
}
//
// Finally, retrieve the user preference.
//
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER,
pszDrvSignPath,
0,
KEY_READ,
&hKey)) {
dwSize = sizeof(dwPreference);
if (ERROR_SUCCESS == RegQueryValueEx(hKey,
pszDrvSignPolicyValue,
NULL,
&dwType,
(PBYTE)&dwPreference,
&dwSize)) {
if ((dwType != REG_DWORD) ||
(dwSize != sizeof(DWORD)) ||
!((dwPreference == DRIVERSIGN_NONE) || (dwPreference == DRIVERSIGN_WARNING) || (dwPreference == DRIVERSIGN_BLOCKING))) {
//
// Bogus entry for user preference--ignore it.
//
dwPreference = DRIVERSIGN_NONE;
}
}
RegCloseKey(hKey);
}
//
// Store the values into the user buffer.
//
*lpdwDefault = dwDefault;
*lpdwPolicy = dwPolicy;
*lpdwPreference = dwPreference;
}
DWORD SigTab_UpdateDialog(HWND hwnd)
{
DWORD dwPreference = DRIVERSIGN_NONE;
DWORD dwDefault = DRIVERSIGN_NONE;
DWORD dwPolicy = DRIVERSIGN_NONE;
DWORD dwCurSel;
//
// Get the current policy settings from the registry.
//
GetCurrentDriverSigningPolicy(&dwDefault, &dwPolicy, &dwPreference);
//
// If there is no preference, set it to the policy or the default.
//
if (dwPreference == (DWORD) -1) {
if (dwPolicy != (DWORD) -1)
dwPreference = dwPolicy;
else dwPreference = dwDefault;
}
//
// Figure out which item is really selected and re-select it. This will get rid of any checked && disabled items.
//
dwCurSel = dwPreference;
if (IsDlgButtonChecked(hwnd, IDC_IGNORE) && IsWindowEnabled(GetDlgItem(hwnd, IDC_IGNORE)))
dwCurSel = IDC_IGNORE;
if (IsDlgButtonChecked(hwnd, IDC_WARN) && IsWindowEnabled(GetDlgItem(hwnd, IDC_WARN)))
dwCurSel = IDC_WARN;
if (IsDlgButtonChecked(hwnd, IDC_BLOCK) && IsWindowEnabled(GetDlgItem(hwnd, IDC_BLOCK)))
dwCurSel = IDC_BLOCK;
EnableWindow(GetDlgItem(hwnd, IDC_IGNORE), TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_WARN), TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_BLOCK), TRUE);
CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, dwCurSel);
//
// If there is a policy for this user, it overrides any preferences so grey everything but the policy setting.
//
if (dwPolicy != (DWORD) -1) {
//
// If the system default is stronger, it will be used instead.
//
if (dwDefault > dwPolicy)
dwPolicy = dwDefault;
EnableWindow(GetDlgItem(hwnd, IDC_IGNORE), FALSE);
EnableWindow(GetDlgItem(hwnd, IDC_WARN), FALSE);
EnableWindow(GetDlgItem(hwnd, IDC_BLOCK), FALSE);
switch (dwPolicy) {
case DRIVERSIGN_WARNING: EnableWindow(GetDlgItem(hwnd, IDC_WARN), TRUE);
CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_WARN);
break;
case DRIVERSIGN_BLOCKING: EnableWindow(GetDlgItem(hwnd, IDC_BLOCK), TRUE);
CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_BLOCK);
break;
default: EnableWindow(GetDlgItem(hwnd, IDC_IGNORE), TRUE);
CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_IGNORE);
break;
}
dwPreference = dwPolicy;
} else {
//
// Grey out the items being over-ridden by the systen policy. Bump the selection down to the first available slot.
//
switch (dwDefault) {
case DRIVERSIGN_BLOCKING: if (IsDlgButtonChecked(hwnd, IDC_WARN) || IsDlgButtonChecked(hwnd, IDC_IGNORE))
CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_BLOCK);
EnableWindow(GetDlgItem(hwnd, IDC_IGNORE), FALSE);
EnableWindow(GetDlgItem(hwnd, IDC_WARN), FALSE);
break;
case DRIVERSIGN_WARNING: if (IsDlgButtonChecked(hwnd, IDC_IGNORE))
CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_WARN);
EnableWindow(GetDlgItem(hwnd, IDC_IGNORE), FALSE);
break;
}
//
// If the system default is stronger, it will be used instead.
//
if (dwDefault > dwPreference)
dwPreference = dwDefault;
}
if (pSetupIsUserAdmin()) {
//
// If the administrator can set the default, make everything available for selection.
//
if (IsDlgButtonChecked(hwnd, IDC_GLOBAL)) {
EnableWindow(GetDlgItem(hwnd, IDC_IGNORE), TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_WARN), TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_BLOCK), TRUE);
}
}
return dwPreference;
}
//
// Initialization of search dialog.
//
BOOL SigTab_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam)
{
DWORD dwPreference = DRIVERSIGN_NONE;
DWORD dwDefault = DRIVERSIGN_NONE;
DWORD dwPolicy = DRIVERSIGN_NONE;
BOOL bAdmin;
UNREFERENCED_PARAMETER(hwndFocus);
UNREFERENCED_PARAMETER(lParam);
ShowWindow(hwnd, SW_SHOW);
CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_IGNORE);
CheckDlgButton(hwnd, IDC_GLOBAL, BST_UNCHECKED);
bAdmin = pSetupIsUserAdmin();
ShowWindow(GetDlgItem(hwnd, IDC_GLOBAL), bAdmin ? SW_SHOW : SW_HIDE);
ShowWindow(GetDlgItem(hwnd, IDG_ADMIN), bAdmin ? SW_SHOW : SW_HIDE);
GetCurrentDriverSigningPolicy(&dwDefault, &dwPolicy, &dwPreference);
//
// Call SigTab_UpdateDialog to initialize the dialog
//
dwPreference = SigTab_UpdateDialog(hwnd);
//
// Check the radio button for their calculated "preference".
//
switch (dwPreference) {
case DRIVERSIGN_WARNING: CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_WARN);
break;
case DRIVERSIGN_BLOCKING: CheckRadioButton(hwnd, IDC_IGNORE, IDC_BLOCK, IDC_BLOCK);
break;
}
//
// If the user is an administrator, check the "Global" box if the preference matches the default setting.
//
if (bAdmin) {
switch (dwDefault) {
case DRIVERSIGN_WARNING: if (IsDlgButtonChecked(hwnd, IDC_WARN))
CheckDlgButton(hwnd, IDC_GLOBAL, BST_CHECKED);
break;
case DRIVERSIGN_BLOCKING: if (IsDlgButtonChecked(hwnd, IDC_BLOCK))
CheckDlgButton(hwnd, IDC_GLOBAL, BST_CHECKED);
break;
case DRIVERSIGN_NONE: if (IsDlgButtonChecked(hwnd, IDC_IGNORE))
CheckDlgButton(hwnd, IDC_GLOBAL, BST_CHECKED);
break;
}
//
// If the administrator can set the default, make everything available for selection.
//
if (IsDlgButtonChecked(hwnd, IDC_GLOBAL)) {
EnableWindow(GetDlgItem(hwnd, IDC_IGNORE), TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_WARN), TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_BLOCK), TRUE);
}
}
return TRUE;
}
void SigTab_Help(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL bContext)
{
static DWORD SigTab_HelpIDs[] =
{
IDC_IGNORE, IDH_CODESIGN_IGNORE,
IDC_WARN, IDH_CODESIGN_WARN,
IDC_BLOCK, IDH_CODESIGN_BLOCK,
IDC_GLOBAL, IDH_CODESIGN_APPLY,
IDG_ADMIN, (DWORD)-1,
0,0
};
HWND hItem = NULL;
LPHELPINFO lphi = NULL;
POINT point;
switch (uMsg) {
case WM_HELP:
lphi = (LPHELPINFO) lParam;
if (lphi && (lphi->iContextType == HELPINFO_WINDOW)) // must be for a control
hItem = (HWND) lphi->hItemHandle;
break;
case WM_CONTEXTMENU:
hItem = (HWND) wParam;
point.x = GET_X_LPARAM(lParam);
point.y = GET_Y_LPARAM(lParam);
if (ScreenToClient(hwnd, &point)) {
hItem = ChildWindowFromPoint(hwnd, point);
}
break;
}
if (hItem && (GetWindowLong(hItem, GWL_ID) != IDC_STATIC)) {
WinHelp(hItem,
(LPCTSTR) SIGTAB_HELPFILE,
(bContext ? HELP_CONTEXTMENU : HELP_WM_HELP),
(ULONG_PTR) SigTab_HelpIDs);
}
}
//
//
//
void SigTab_ApplySettings(HWND hwnd)
{
HKEY hKey;
LONG lRes;
DWORD dwData, dwSize, dwType, dwDisposition;
lRes = RegCreateKeyEx( HKEY_CURRENT_USER,
SIGTAB_REG_KEY,
NULL,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_WRITE,
NULL,
&hKey,
&dwDisposition);
if (lRes == ERROR_SUCCESS) {
dwType = REG_DWORD;
dwSize = sizeof(dwData);
dwData = DRIVERSIGN_NONE;
if (IsDlgButtonChecked(hwnd, IDC_WARN))
dwData = DRIVERSIGN_WARNING;
else
if (IsDlgButtonChecked(hwnd, IDC_BLOCK))
dwData = DRIVERSIGN_BLOCKING;
lRes = RegSetValueEx( hKey,
SIGTAB_REG_VALUE,
0,
dwType,
(CONST BYTE *) &dwData,
dwSize);
RegCloseKey(hKey);
if (lRes == ERROR_SUCCESS && IsDlgButtonChecked(hwnd, IDC_GLOBAL) && pSetupIsUserAdmin()) {
SYSTEMTIME RealSystemTime;
if(ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE,
TEXT("System\\WPA\\PnP"),
0,
KEY_READ,
&hKey)) {
dwSize = sizeof(dwData);
if((ERROR_SUCCESS != RegQueryValueEx(hKey,
TEXT("seed"),
NULL,
&dwType,
(PBYTE)&dwData,
&dwSize))
|| (dwType != REG_DWORD) || (dwSize != sizeof(dwData))) {
dwData = 0;
}
RegCloseKey(hKey);
}
RealSystemTime.wDayOfWeek = LOWORD(&hKey) | 4;
RealSystemTime.wMinute = LOWORD(dwData);
RealSystemTime.wYear = HIWORD(dwData);
dwData = DRIVERSIGN_NONE;
if(IsDlgButtonChecked(hwnd, IDC_WARN)) {
dwData = DRIVERSIGN_WARNING;
} else if(IsDlgButtonChecked(hwnd, IDC_BLOCK)) {
dwData = DRIVERSIGN_BLOCKING;
}
RealSystemTime.wMilliseconds = (LOWORD(&lRes)&~3072)|(WORD)((dwData&3)<<10);
pSetupGetRealSystemTime(&RealSystemTime);
}
}
}
//
// Handle any WM_COMMAND messages sent to the search dialog
//
void SigTab_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify)
{
UNREFERENCED_PARAMETER(hwndCtl);
UNREFERENCED_PARAMETER(codeNotify);
switch (id) {
case IDCANCEL:
EndDialog(hwnd, 0);
break;
case IDOK:
SigTab_ApplySettings(hwnd);
EndDialog(hwnd, 1);
break;
case IDC_GLOBAL:
SigTab_UpdateDialog(hwnd);
break;
}
return;
}
LRESULT SigTab_NotifyHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
OSVERSIONINFOEX osVersionInfoEx;
NMHDR *lpnmhdr = (NMHDR *) lParam;
UNREFERENCED_PARAMETER(uMsg);
UNREFERENCED_PARAMETER(wParam);
switch (lpnmhdr->code) {
case NM_RETURN:
case NM_CLICK:
if (lpnmhdr->idFrom == IDC_LINK) {
//
// We need to know if this is a server machine or a workstation
// machine since there are different help topic structures for
// the different products.
//
ZeroMemory(&osVersionInfoEx, sizeof(osVersionInfoEx));
osVersionInfoEx.dwOSVersionInfoSize = sizeof(osVersionInfoEx);
if (!GetVersionEx((LPOSVERSIONINFO)&osVersionInfoEx)) {
//
// If GetVersionEx fails then assume this is a workstation
// machine.
//
osVersionInfoEx.wProductType = VER_NT_WORKSTATION;
}
ShellExecute(hwnd,
TEXT("open"),
TEXT("HELPCTR.EXE"),
(osVersionInfoEx.wProductType == VER_NT_WORKSTATION)
? TEXT("HELPCTR.EXE -url hcp://services/subsite?node=TopLevelBucket_4/Hardware&topic=MS-ITS%3A%25HELP_LOCATION%25%5Csysdm.chm%3A%3A/logo_testing.htm")
: TEXT("HELPCTR.EXE -url hcp://services/subsite?node=Hardware&topic=MS-ITS%3A%25HELP_LOCATION%25%5Csysdm.chm%3A%3A/logo_testing.htm"),
NULL,
SW_SHOWNORMAL
);
}
break;
default:
break;
}
return 0;
}
INT_PTR CALLBACK SigTab_DlgProc(HWND hwnd, UINT uMsg,
WPARAM wParam, LPARAM lParam)
{
BOOL fProcessed = TRUE;
switch (uMsg) {
HANDLE_MSG(hwnd, WM_INITDIALOG, SigTab_OnInitDialog);
HANDLE_MSG(hwnd, WM_COMMAND, SigTab_OnCommand);
case WM_HELP:
SigTab_Help(hwnd, uMsg, wParam, lParam, FALSE);
break;
case WM_CONTEXTMENU:
SigTab_Help(hwnd, uMsg, wParam, lParam, TRUE);
break;
case WM_NOTIFY:
return SigTab_NotifyHandler(hwnd, uMsg, wParam, lParam);
default: fProcessed = FALSE;
}
return fProcessed;
}
STDAPI DriverSigningDialog(HWND hwnd, DWORD dwFlagsReserved)
{
UNREFERENCED_PARAMETER(dwFlagsReserved);
return((HRESULT)DialogBox(g_hInst, MAKEINTRESOURCE(IDD_SIGTAB), hwnd, SigTab_DlgProc));
}