Leaked source code of windows server 2003
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9.6 KiB

/*******************************************************************************
*
* (C) COPYRIGHT MICROSOFT CORP., 1993-1994
*
* TITLE: REGMAIN.C
*
* VERSION: 4.01
*
* AUTHOR: Tracy Sharpe
*
* DATE: 05 Mar 1994
*
*******************************************************************************/
#include "pch.h"
#include <regstr.h>
#include "regedit.h"
#include "regfile.h"
#include "regbined.h"
#include "regresid.h"
// Instance handle of this application.
HINSTANCE g_hInstance;
// TRUE if accelerator table should not be used, such as during a rename
// operation.
BOOL g_fDisableAccelerators = FALSE;
TCHAR g_KeyNameBuffer[MAXKEYNAME];
TCHAR g_ValueNameBuffer[MAXVALUENAME_LENGTH];
COLORREF g_clrWindow;
COLORREF g_clrWindowText;
COLORREF g_clrHighlight;
COLORREF g_clrHighlightText;
HWND g_hRegEditWnd;
PTSTR g_pHelpFileName;
TCHAR g_NullString[] = TEXT("");
#define PARSERET_CONTINUE 0
#define PARSERET_REFRESH 1
#define PARSERET_EXIT 2
UINT
PASCAL
ParseCommandLine(
VOID
);
BOOL
PASCAL
IsRegistryToolDisabled(
VOID
);
int
PASCAL
ModuleEntry(
VOID
)
{
HWND hPopupWnd;
HACCEL hRegEditAccel;
MSG Msg;
USHORT wLanguageId = LANGIDFROMLCID(GetThreadLocale());
INITCOMMONCONTROLSEX icce;
g_hInstance = GetModuleHandle(NULL);
icce.dwSize = sizeof(icce);
// DebugAssert(icce.dwSize == sizeof(INITCOMMONCONTROLSEX));
icce.dwICC = ICC_ALL_CLASSES;
InitCommonControlsEx(&icce);
g_hRegEditWnd = FindWindow(g_RegEditClassName, NULL);
//
// To prevent users from corrupting their registries,
// administrators can set a policy switch to prevent editing. Check that
// switch now.
//
if (IsRegistryToolDisabled())
{
InternalMessageBox(g_hInstance, NULL, MAKEINTRESOURCE(IDS_REGEDITDISABLED),
MAKEINTRESOURCE(IDS_REGEDIT), MB_ICONERROR | MB_OK);
goto ModuleExit;
}
//
// Check if we were given a commandline and handle if appropriate.
//
switch (ParseCommandLine()) {
case PARSERET_REFRESH:
if (g_hRegEditWnd != NULL)
PostMessage(g_hRegEditWnd, WM_COMMAND, ID_REFRESH, 0);
// FALL THROUGH
case PARSERET_EXIT:
goto ModuleExit;
}
//
// Allow only one instance of the Registry Editor.
//
if (g_hRegEditWnd != NULL) {
if (IsIconic(g_hRegEditWnd))
ShowWindow(g_hRegEditWnd, SW_RESTORE);
else {
BringWindowToTop(g_hRegEditWnd);
if ((hPopupWnd = GetLastActivePopup(g_hRegEditWnd)) != g_hRegEditWnd)
BringWindowToTop(hPopupWnd);
SetForegroundWindow(hPopupWnd);
}
goto ModuleExit;
}
//
// Initialize and create an instance of the Registry Editor window.
//
if ((g_pHelpFileName = LoadDynamicString(IDS_HELPFILENAME)) == NULL)
goto ModuleExit;
if (!RegisterRegEditClass() || !RegisterHexEditClass())
goto ModuleExit;
if ((hRegEditAccel = LoadAccelerators(g_hInstance,
MAKEINTRESOURCE(IDACCEL_REGEDIT))) == NULL)
goto ModuleExit;
if ((g_hRegEditWnd = CreateRegEditWnd()) != NULL) {
while (GetMessage(&Msg, NULL, 0, 0)) {
if (g_fDisableAccelerators || !TranslateAccelerator(g_hRegEditWnd,
hRegEditAccel, &Msg)) {
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
}
}
ModuleExit:
ExitProcess(0);
return 0;
}
/*******************************************************************************
*
* ParseCommandline
*
* DESCRIPTION:
*
* PARAMETERS:
* (returns), TRUE to continuing loading, else FALSE to stop immediately.
*
*******************************************************************************/
UINT
PASCAL
ParseCommandLine(
VOID
)
{
BOOL fSilentMode;
BOOL fExportMode;
LPTSTR lpCmdLine;
LPTSTR lpFileName;
LPTSTR lpSelectedPath;
fSilentMode = FALSE;
fExportMode = FALSE;
lpCmdLine = GetCommandLine();
//
// Skip past the application pathname. Be sure to handle long filenames
// correctly.
//
if (*lpCmdLine == TEXT('\"')) {
do
lpCmdLine = CharNext(lpCmdLine);
while (*lpCmdLine != 0 && *lpCmdLine != TEXT('\"'));
if (*lpCmdLine == TEXT('\"'))
lpCmdLine = CharNext(lpCmdLine);
}
else {
while (*lpCmdLine > TEXT(' '))
lpCmdLine = CharNext(lpCmdLine);
}
while (*lpCmdLine != 0 && *lpCmdLine <= TEXT(' '))
lpCmdLine = CharNext(lpCmdLine);
while (TRUE) {
while (*lpCmdLine == TEXT(' '))
lpCmdLine = CharNext(lpCmdLine);
if (*lpCmdLine != TEXT('/') && *lpCmdLine != TEXT('-'))
break;
lpCmdLine = CharNext(lpCmdLine);
while (*lpCmdLine != 0 && *lpCmdLine != TEXT(' ')) {
switch (*lpCmdLine) {
case TEXT('m'):
case TEXT('M'):
//
// Allow multiple instances mode. Pretend we are the only
// copy of regedit running.
//
g_hRegEditWnd = NULL;
break;
//
// Specifies the location of the SYSTEM.DAT and USER.DAT
// files in real-mode. We don't use these switches, but
// we do need to bump past the filename.
//
case TEXT('l'):
case TEXT('L'):
case TEXT('r'):
case TEXT('R'):
return PARSERET_EXIT;
case TEXT('e'):
case TEXT('E'):
fExportMode = TRUE;
break;
case TEXT('a'):
case TEXT('A'):
fExportMode = TRUE;
g_RegEditData.uExportFormat = FILE_TYPE_REGEDIT4;
break;
case TEXT('s'):
case TEXT('S'):
//
// Silent mode where we don't show any dialogs when we
// import a registry file script.
//
fSilentMode = TRUE;
break;
case TEXT('v'):
case TEXT('V'):
//
// With the Windows 3.1 Registry Editor, this brought up
// the tree-style view. Now we always show the tree so
// nothing to do here!
//
// FALL THROUGH
case TEXT('u'):
case TEXT('U'):
//
// Update, don't overwrite existing path entries in
// shell\open\command or shell\open\print. This isn't even
// used by the Windows 3.1 Registry Editor!
//
// FALL THROUGH
default:
break;
}
lpCmdLine = CharNext(lpCmdLine);
}
}
if (!fExportMode) {
if (*lpCmdLine == 0)
return PARSERET_CONTINUE;
else {
lpFileName = GetNextSubstring(lpCmdLine);
while (lpFileName != NULL) {
RegEdit_ImportRegFile(NULL, fSilentMode, lpFileName, NULL);
lpFileName = GetNextSubstring(NULL);
}
return PARSERET_REFRESH;
}
}
else
{
lpFileName = GetNextSubstring(lpCmdLine);
lpSelectedPath = GetNextSubstring(NULL);
if (GetNextSubstring(NULL) == NULL)
RegEdit_ExportRegFile(NULL, fSilentMode, lpFileName, lpSelectedPath);
return PARSERET_EXIT;
}
}
/*******************************************************************************
*
* IsRegistryToolDisabled
*
* DESCRIPTION:
* Checks the policy section of the registry to see if registry editing
* tools should be disabled. This switch is set by administrators to
* protect novice users.
*
* The Registry Editor is disabled if and only if this value exists and is
* set.
*
* PARAMETERS:
* (returns), TRUE if registry tool should not be run, else FALSE.
*
*******************************************************************************/
BOOL
PASCAL
IsRegistryToolDisabled(
VOID
)
{
BOOL fRegistryToolDisabled;
HKEY hKey;
DWORD Type;
DWORD ValueBuffer;
DWORD cbValueBuffer;
fRegistryToolDisabled = FALSE;
if ( RegOpenKey( HKEY_CURRENT_USER,
REGSTR_PATH_POLICIES TEXT("\\") REGSTR_KEY_SYSTEM,
&hKey)
== ERROR_SUCCESS )
{
cbValueBuffer = sizeof(DWORD);
if (RegEdit_QueryValueEx(hKey, REGSTR_VAL_DISABLEREGTOOLS, NULL, &Type,
(LPSTR) &ValueBuffer, &cbValueBuffer) == ERROR_SUCCESS)
{
if ( (Type == REG_DWORD) &&
(cbValueBuffer == sizeof(DWORD)) &&
(ValueBuffer != FALSE) )
{
fRegistryToolDisabled = TRUE;
}
}
RegCloseKey(hKey);
}
return fRegistryToolDisabled;
}