529 lines
18 KiB
C
529 lines
18 KiB
C
/*++
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Copyright (c) 1994 Microsoft Corporation
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Module Name:
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fschecks.c
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Abstract:
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function to check file systems installed on local disks
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for C2FUNCS.DLL
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Author:
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Bob Watson (a-robw)
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Revision History:
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23 Dec 94
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--*/
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#include <windows.h>
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#include <tchar.h>
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#include <stdio.h>
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#include <c2dll.h>
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#include <c2inc.h>
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#include <c2utils.h>
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#include "c2funcs.h"
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#include "c2funres.h"
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#define AC_NO_CHANGE 0
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#define AC_UPDATE_FS 1
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#define SECURE C2DLL_C2
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static
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BOOL
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IsDriveSetToConvert (
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IN TCHAR cDrive
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)
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/*++
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Routine Description:
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checks to see if the specified drive is set to be converted
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to NTFS already by checking the session manager key for
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an existing entry.
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--*/
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{
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LONG lStatus;
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DWORD dwDataType;
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DWORD dwBufferBytes;
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HKEY hkeySessionManager;
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TCHAR mszBootExecuteString[SMALL_BUFFER_SIZE];
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BOOL bReturn;
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TCHAR szThisDriveCommand[MAX_PATH];
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LPTSTR szThisCommand;
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TCHAR szDriveLetter[4];
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lStatus = RegOpenKeyEx (
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HKEY_LOCAL_MACHINE,
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GetStringResource (GetDllInstance(), IDS_SESSION_MANAGER_KEY),
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0L,
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KEY_READ,
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&hkeySessionManager);
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if (lStatus == ERROR_SUCCESS) {
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// registry key opened successfully
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dwBufferBytes = sizeof(mszBootExecuteString);
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memset (mszBootExecuteString, 0, dwBufferBytes);
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lStatus = RegQueryValueEx (
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hkeySessionManager,
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(LPTSTR)GetStringResource (GetDllInstance(), IDS_BOOT_EXECUTE_VALUE),
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NULL,
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&dwDataType,
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(LPBYTE)mszBootExecuteString,
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&dwBufferBytes);
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if (lStatus == ERROR_SUCCESS) {
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// load list box with volumes that are not using NTFS
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// initialize the root dir string
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szDriveLetter[0] = cDrive;
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szDriveLetter[1] = 0;
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_stprintf (szThisDriveCommand,
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GetStringResource (GetDllInstance(), IDS_AUTOCONV_CMD),
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szDriveLetter);
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bReturn = FALSE; // assume false until found
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for (szThisCommand = mszBootExecuteString;
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*szThisCommand != 0;
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szThisCommand += lstrlen(szThisCommand) + 1) {
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if (lstrcmpi (szThisCommand, szThisDriveCommand) == 0) {
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bReturn = TRUE;
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break; //out of for loop
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}
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}
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} else {
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// unable to read key so assume the drive is not specified
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bReturn = FALSE;
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}
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RegCloseKey (hkeySessionManager);
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}
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return bReturn;
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}
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BOOL CALLBACK
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C2FileSysDlgProc(
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IN HWND hDlg, // window handle of the dialog box
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IN UINT message, // type of message
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Window procedure for FileSystem List Box
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Arguments:
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Standard DlgProc arguments
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ReturnValue:
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TRUE the message was handled by this routine
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FALSE DefDialogProc should handle the message
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--*/
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{
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static LPDWORD lpdwParam;
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TCHAR szRootDir[4];
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TCHAR szVolumeName[MAX_PATH];
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TCHAR szFileSystemName[MAX_PATH];
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DWORD dwVolumeSerialNumber;
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DWORD dwMaxComponentLength;
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DWORD dwFileSystemFlags;
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TCHAR szItemText[MAX_PATH];
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ULONG ulDriveBitMask;
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ULONG ulDriveIndex;
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LONG lIndex;
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LONG lListBoxItems;
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BOOL bConvert;
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switch (message) {
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case WM_INITDIALOG:
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lpdwParam = (LPDWORD)lParam;
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// set the dialog box caption and static text
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SetDlgItemText (hDlg, IDC_TEXT,
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GetStringResource (GetDllInstance(), IDS_FS_DLG_TEXT));
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SetWindowText (hDlg,
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GetStringResource (GetDllInstance(), IDS_FS_CAPTION));
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// load list box with volumes that are not using NTFS
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// initialize the root dir string
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szRootDir[0] = TEXT(' ');
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szRootDir[1] = TEXT(':');
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szRootDir[2] = TEXT('\\');
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szRootDir[3] = 0;
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for (szRootDir[0] = TEXT('A');szRootDir[0] <= TEXT('Z'); szRootDir[0]++) {
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// check each drive in the alphabet
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if (GetDriveType(szRootDir) == DRIVE_FIXED) {
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// only check fixed disk volumes
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if (GetVolumeInformation(szRootDir,
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szVolumeName, MAX_PATH,
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&dwVolumeSerialNumber,
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&dwMaxComponentLength,
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&dwFileSystemFlags,
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szFileSystemName, MAX_PATH)) {
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// volume information returned so see if it's NOT NTFS..
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if (lstrcmpi(szFileSystemName,
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GetStringResource (GetDllInstance(), IDS_NTFS)) != 0) {
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// it's not currently NTFS, but is it set to be converted?
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bConvert = IsDriveSetToConvert (szRootDir[0]);
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_stprintf (szItemText,
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GetStringResource (GetDllInstance(),
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(bConvert ? IDS_FS_CONVERT_FORMAT : IDS_FS_LIST_TEXT_FORMAT)),
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szRootDir,
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(bConvert ? GetStringResource (GetDllInstance(), IDS_NTFS) : szFileSystemName));
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lIndex = SendDlgItemMessage (hDlg, IDC_LIST_BOX,
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LB_INSERTSTRING, (WPARAM)-1, (LPARAM)szItemText);
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if (lIndex != LB_ERR) {
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// drive added to list so store the bit
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// that identifies the drive
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ulDriveIndex = (LONG)(szRootDir[0] - TEXT('A'));
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ulDriveBitMask = 1 << ulDriveIndex;
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SendDlgItemMessage (hDlg, IDC_LIST_BOX,
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LB_SETITEMDATA, (WPARAM)lIndex, (LPARAM)ulDriveBitMask);
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// if this drive is set to be converted then select it
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SendDlgItemMessage (hDlg, IDC_LIST_BOX,
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LB_SETSEL, (WPARAM)bConvert, (LPARAM)lIndex);
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}
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}
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} else {
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_stprintf (szItemText,
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GetStringResource (GetDllInstance(), IDS_ERR_LIST_TEXT_FORMAT),
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szRootDir);
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SendDlgItemMessage (hDlg, IDC_LIST_BOX, LB_ADDSTRING,
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0, (LPARAM)szItemText);
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}
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} else {
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// not a fixed drive so ignore
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}
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} // end FOR each drive in the alphabet
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SetFocus (GetDlgItem (hDlg, IDOK)); // set focus to OK Button
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return FALSE; // we don't want Windows to set the focus
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case WM_COMMAND:
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switch (LOWORD(wParam)){
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case IDOK:
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if (HIWORD(wParam) == BN_CLICKED) {
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// exit and return button that caused exit
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// build a the bitmask of selected drives
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ulDriveBitMask = 0L; // clear bitmap field
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lListBoxItems = SendDlgItemMessage (hDlg, IDC_LIST_BOX,
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LB_GETCOUNT, 0, 0);
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for (lIndex = 0; lIndex < lListBoxItems; lIndex++) {
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if (SendDlgItemMessage (hDlg, IDC_LIST_BOX,
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LB_GETSEL, (WPARAM)lIndex, 0) > 0) {
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// then this disk is selected so get it's id
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// and add it to the bit map
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ulDriveIndex = SendDlgItemMessage (hDlg,
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IDC_LIST_BOX, LB_GETITEMDATA,
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(WPARAM)lIndex, 0);
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ulDriveBitMask |= ulDriveIndex;
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}
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}
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*lpdwParam = (DWORD)ulDriveBitMask;
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EndDialog (hDlg, (int)LOWORD(wParam));
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return TRUE;
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} else {
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return FALSE;
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}
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case IDCANCEL:
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if (HIWORD(wParam) == BN_CLICKED) {
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*lpdwParam = 0L;
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EndDialog (hDlg, (int)LOWORD(wParam));
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return TRUE;
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} else {
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return FALSE;
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}
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case IDC_C2:
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if (HIWORD(wParam) == BN_CLICKED) {
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// select all entries in the list box
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SendDlgItemMessage (hDlg, IDC_LIST_BOX,
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LB_SETSEL, TRUE, (LPARAM)-1);
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return TRUE;
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} else {
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return FALSE;
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}
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case IDC_HELP:
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PostMessage (GetParent(hDlg), UM_SHOW_CONTEXT_HELP, 0, 0);
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return TRUE;
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default:
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return FALSE;
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}
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default:
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return (FALSE); // Didn't process the message
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}
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}
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LONG
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C2QueryFileSystems (
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Checks file systems installed on all local volumes.
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For C2 compliance, All volumes must use the NTFS file system.
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Arguments:
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pointer to C2DLL data block passed as LPARAM
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ReturnValue:
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ERROR_SUCCESS if function completes successfully
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WIN32 error if not
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This function sets the C2Compliant flag as appropriate and
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sets the text of the status string for this item.
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--*/
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{
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PC2DLL_DATA pC2Data;
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LONG lFatVolumeCount;
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TCHAR szRootDir[4];
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TCHAR szVolumeName[MAX_PATH];
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TCHAR szFileSystemName[MAX_PATH];
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DWORD dwVolumeSerialNumber;
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DWORD dwMaxComponentLength;
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DWORD dwFileSystemFlags;
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if (lParam != 0) {
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pC2Data = (PC2DLL_DATA)lParam;
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SET_WAIT_CURSOR;
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// initialize the FAT file system volume counter
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lFatVolumeCount = 0;
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// initialize the root dir string
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szRootDir[0] = TEXT(' ');
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szRootDir[1] = TEXT(':');
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szRootDir[2] = TEXT('\\');
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szRootDir[3] = 0;
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for (szRootDir[0] = TEXT('A');szRootDir[0] <= TEXT('Z'); szRootDir[0]++) {
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// check each drive in the alphabet
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if (GetDriveType(szRootDir) == DRIVE_FIXED) {
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// only check fixed disk volumes
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if (GetVolumeInformation(szRootDir,
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szVolumeName, MAX_PATH,
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&dwVolumeSerialNumber,
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&dwMaxComponentLength,
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&dwFileSystemFlags,
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szFileSystemName, MAX_PATH)) {
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// volume information returned so see if it's NOT NTFS..
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if (lstrcmp(szFileSystemName,
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GetStringResource (GetDllInstance(), IDS_NTFS)) != 0) {
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lFatVolumeCount++;
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}
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} else {
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// unable to read the volume information so assume the
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// worst
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lFatVolumeCount++;
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}
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} else {
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// not a fixed drive so ignore
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}
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} // end FOR each drive in the alphabet
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// see how things turned out
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if (lFatVolumeCount > 0) {
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pC2Data->lC2Compliance = C2DLL_NOT_SECURE;
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_stprintf (pC2Data->szStatusName,
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GetStringResource (GetDllInstance(),
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(lFatVolumeCount == 1 ? IDS_NOT_C2_MESSAGE_FORMAT_1 : IDS_NOT_C2_MESSAGE_FORMAT)),
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lFatVolumeCount);
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} else {
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pC2Data->lC2Compliance = SECURE;
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_stprintf (pC2Data->szStatusName,
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GetStringResource (GetDllInstance(), IDS_C2_MESSAGE_FORMAT));
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}
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SET_ARROW_CURSOR;
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} else {
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return ERROR_BAD_ARGUMENTS;
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}
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return ERROR_SUCCESS;
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}
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LONG
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C2SetFileSystems (
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IN LPARAM lParam
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)
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{
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PC2DLL_DATA pC2Data;
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DWORD dwDriveFlag;
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TCHAR szDriveLetter[4];
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TCHAR szNewCmdBuffer[512];
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LPTSTR szNewCmd;
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DWORD dwNewCmdSize = 0;
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LONG lStatus = ERROR_SUCCESS;
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HKEY hkeySessionManager;
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BOOL bUpdateRegistry = FALSE;
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if (lParam != 0) {
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pC2Data = (PC2DLL_DATA)lParam;
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if (pC2Data->lActionCode == AC_UPDATE_FS) {
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// display "last change" message
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if (pC2Data->lActionValue != 0) {
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// display warning message if 1 or more drives
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// are set to be converted
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if (DisplayDllMessageBox (pC2Data->hWnd,
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IDS_FS_LAST_CHANCE,
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IDS_FS_CAPTION,
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MBOKCANCEL_QUESTION) == IDOK) {
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bUpdateRegistry = TRUE;
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} else {
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bUpdateRegistry = FALSE;
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}
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} else {
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// no drives are set to be converted so the
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// update will be to remove the conversion commands
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// from the registry. Since this is reverting the
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// system back to it's original state, no message is
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// necessary.
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bUpdateRegistry = TRUE;
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}
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if (bUpdateRegistry) {
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szDriveLetter[1] = 0;
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memset (szNewCmdBuffer, 0, sizeof(szNewCmdBuffer));
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szNewCmd = szNewCmdBuffer;
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// initialize with prefix command
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lstrcpy (szNewCmd,
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GetStringResource (GetDllInstance(), IDS_AUTOCHEK_CMD));
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szNewCmd += lstrlen(szNewCmd);
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*szNewCmd++ = 0;
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// loop through all possible DOS drive Letters until
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// there are no more in the ActionValue mask to convert
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// or the end of the DOS Drive alphabet is reached.
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//
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// The drive flag bits correspond to each possible drive
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// letter. e.g. bit 0 (0x00000001) = A:,
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// bit 2 (0x00000002) = B:, etc.
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//
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for (dwDriveFlag = 1, szDriveLetter[0] = TEXT('A');
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((dwDriveFlag <= (DWORD)pC2Data->lActionValue) && (szDriveLetter[0] <= TEXT('Z')));
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dwDriveFlag <<= 1, szDriveLetter[0]++) {
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if ((dwDriveFlag & pC2Data->lActionValue) == dwDriveFlag) {
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_stprintf (szNewCmd,
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GetStringResource (GetDllInstance(), IDS_AUTOCONV_CMD),
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szDriveLetter);
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// terminate string and point to next
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// string in MSZ buffer
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szNewCmd += lstrlen(szNewCmd);
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*szNewCmd++ = 0;
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}
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} // end for each possible Drive Letter
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*szNewCmd++ = 0; // terminate MSZ buffer
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dwNewCmdSize = (DWORD)((LPBYTE)szNewCmd) -
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(DWORD)((LPBYTE)&szNewCmdBuffer[0]);
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// write new registry value so drives will be converted
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// when system restarts
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lStatus = RegOpenKeyEx (
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HKEY_LOCAL_MACHINE,
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GetStringResource (GetDllInstance(), IDS_SESSION_MANAGER_KEY),
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0L,
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KEY_WRITE,
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&hkeySessionManager);
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if (lStatus == ERROR_SUCCESS) {
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// registry key opened successfully
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lStatus = RegSetValueEx (
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hkeySessionManager,
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GetStringResource (GetDllInstance(), IDS_BOOT_EXECUTE_VALUE),
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0L,
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REG_MULTI_SZ,
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(LPBYTE)&szNewCmdBuffer[0],
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dwNewCmdSize);
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RegCloseKey (hkeySessionManager);
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} // end if Session Manager Key opened
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} // end if user really wants to do this
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} // end if user has clicked "OK" on display dialog
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pC2Data->lActionCode = AC_NO_CHANGE;
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pC2Data->lActionValue = 0;
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} else {
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lStatus = ERROR_BAD_ARGUMENTS;
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} // end if data structure found/not found
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return lStatus;
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}
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LONG
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C2DisplayFileSystems (
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IN LPARAM lParam
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)
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{
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PC2DLL_DATA pC2Data;
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DWORD dwDriveBitMask;
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int nDlgBoxReturn;
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if (lParam != 0) {
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pC2Data = (PC2DLL_DATA)lParam;
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// check the C2 Compliance flag to see if the list box or
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// message box should be displayed
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if (pC2Data->lC2Compliance == SECURE) {
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// all volumes are OK so just pop a message box
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DisplayDllMessageBox (
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pC2Data->hWnd,
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IDS_C2_DISPLAY_MESSAGE,
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IDS_FS_CAPTION,
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MBOK_INFO);
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pC2Data->lActionCode = AC_NO_CHANGE;
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} else {
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//one or more volumes are not NTFS so display the list box
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// listing the ones that arent.
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nDlgBoxReturn = DialogBoxParam (
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GetDllInstance(),
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MAKEINTRESOURCE (IDD_LIST_DLG),
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pC2Data->hWnd,
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C2FileSysDlgProc,
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(LPARAM)&dwDriveBitMask);
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if (nDlgBoxReturn == IDOK) {
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pC2Data->lActionCode = AC_UPDATE_FS;
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pC2Data->lActionValue = dwDriveBitMask;
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} else {
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pC2Data->lActionCode = AC_NO_CHANGE;
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pC2Data->lActionValue = 0;
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}
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}
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} else {
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return ERROR_BAD_ARGUMENTS;
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}
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return ERROR_SUCCESS;
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}
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