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![Hermès Bélusca-Maïto](/assets/img/avatar_default.png)
[AUTOCHK] Add also support for scanning FATX volumes. The Format(), FormatEx(), Chkdsk(), ChkdskEx() functions exposed by the U*.DLL user-mode FS library dlls are different (and have different prototypes) than the similarly-named functions exported by FMIFS.DLL . In particular, what we used to call "xxxChkdskEx()" and "xxxFormatEx()" in our U*.DLL libraries actually correspond more, from their arguments, to the "Chkdsk()" and "Format()" functions in Windows' U*.DLL . Their *Ex() counterparts instead take most of the parameters through a structure passed by pointer. On FMIFS.DLL side, while FMIFS!Chkdsk() calls U*.DLL!Chkdsk() and FMIFS!ChkdskEx() calls U*.DLL!ChkdskEx() (and we do not implement these *Ex() functions at the moment), both FMIFS!Format() and FMIFS!FormatEx() call U*.DLL!Format() instead, while FMIFS!FormatEx2() calls U*.DLL!FormatEx() (that we do not implement yet either) !! To improve that, refactor the calls to these U*.DLL functions so as to respect the more compatible prototypes: They contain the correct number of parameters in a compatible order. However, some of the parameters do not have the same types yet: the strings are kept here in PUNICODE_STRINGS, while on Windows they are passed via an undocumented DSTRING struct, and the FMIFS callback is instead a MESSAGE struct/class on Windows. Finally, the MEDIA_TYPE parameter in U*.DLL!Format() is equivalent, yet not fully 100% in 1-to-1 correspondence, with the FMIFS_MEDIA_FLAG used in the corresponding FMIFS.DLL functions. One thing to notice is that the U*.DLL!Format() (and the Ex) functions support a BOOLEAN (a flag resp.) for telling that a backwards-compatible FS version should be used instead of the (default) latest FS version. This is used e.g. by the FAT FS, where by default FAT32 is selected (depending also on other constraints like, the disk and the partition sizes), unless that bit is set in which case, FAT16 (or 12) is used.
704 lines
20 KiB
C
704 lines
20 KiB
C
/*
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* PROJECT: ReactOS AutoChk
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: FileSystem checker in Native mode.
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* COPYRIGHT: Copyright 2002-2018 Eric Kohl
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* Copyright 2006-2018 Aleksey Bragin
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* Copyright 2006-2018 Hervé Poussineau
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* Copyright 2008-2018 Pierre Schweitzer
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* Copyright 2018 Hermes Belusca-Maito
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*/
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/* INCLUDES *****************************************************************/
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#include <stdio.h>
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#define WIN32_NO_STATUS
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#include <windef.h>
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#include <winbase.h>
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#include <ntddkbd.h>
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#define NTOS_MODE_USER
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#include <ndk/exfuncs.h>
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#include <ndk/iofuncs.h>
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#include <ndk/obfuncs.h>
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#include <ndk/psfuncs.h>
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#include <ndk/rtlfuncs.h>
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#include <fmifs/fmifs.h>
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#include <fslib/vfatlib.h>
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#include <fslib/vfatxlib.h>
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#include <fslib/ntfslib.h>
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#include <fslib/btrfslib.h>
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#include <fslib/ext2lib.h>
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#include <fslib/ffslib.h>
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#include <fslib/reiserfslib.h>
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#include <fslib/cdfslib.h>
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#define NDEBUG
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#include <debug.h>
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/* DEFINES ******************************************************************/
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typedef struct _FILESYSTEM_CHKDSK
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{
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WCHAR Name[10];
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PULIB_CHKDSK ChkdskFunc;
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} FILESYSTEM_CHKDSK, *PFILESYSTEM_CHKDSK;
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FILESYSTEM_CHKDSK FileSystems[] =
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{
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{ L"FAT", VfatChkdsk },
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{ L"FAT32", VfatChkdsk },
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{ L"FATX" , VfatxChkdsk },
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{ L"NTFS", NtfsChkdsk },
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{ L"BTRFS", BtrfsChkdsk },
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{ L"EXT2", Ext2Chkdsk },
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{ L"EXT3", Ext2Chkdsk },
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{ L"EXT4", Ext2Chkdsk },
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{ L"FFS", FfsChkdsk },
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{ L"RFSD", ReiserfsChkdsk },
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{ L"CDFS", CdfsChkdsk },
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};
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HANDLE KeyboardHandle = NULL;
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/* FUNCTIONS ****************************************************************/
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//
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// FMIFS function
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//
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static INT
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PrintString(char* fmt,...)
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{
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INT Len;
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char buffer[512];
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va_list ap;
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UNICODE_STRING UnicodeString;
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ANSI_STRING AnsiString;
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va_start(ap, fmt);
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Len = vsprintf(buffer, fmt, ap);
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va_end(ap);
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RtlInitAnsiString(&AnsiString, buffer);
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RtlAnsiStringToUnicodeString(&UnicodeString,
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&AnsiString,
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TRUE);
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NtDisplayString(&UnicodeString);
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RtlFreeUnicodeString(&UnicodeString);
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return Len;
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}
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static VOID
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EraseLine(
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IN INT LineLength)
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{
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INT Len;
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UNICODE_STRING UnicodeString;
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WCHAR buffer[512];
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if (LineLength <= 0)
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return;
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/* Go to the beginning of the line */
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RtlInitUnicodeString(&UnicodeString, L"\r");
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NtDisplayString(&UnicodeString);
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/* Fill the buffer chunk with spaces */
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Len = min(LineLength, ARRAYSIZE(buffer));
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while (Len > 0) buffer[--Len] = L' ';
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RtlInitEmptyUnicodeString(&UnicodeString, buffer, sizeof(buffer));
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while (LineLength > 0)
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{
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/* Display the buffer */
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Len = min(LineLength, ARRAYSIZE(buffer));
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LineLength -= Len;
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UnicodeString.Length = Len * sizeof(WCHAR);
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NtDisplayString(&UnicodeString);
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}
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/* Go to the beginning of the line */
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RtlInitUnicodeString(&UnicodeString, L"\r");
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NtDisplayString(&UnicodeString);
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}
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static NTSTATUS
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OpenKeyboard(
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OUT PHANDLE KeyboardHandle)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatusBlock;
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UNICODE_STRING KeyboardName = RTL_CONSTANT_STRING(L"\\Device\\KeyboardClass0");
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/* Just open the class driver */
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyboardName,
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0,
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NULL,
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NULL);
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return NtOpenFile(KeyboardHandle,
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FILE_ALL_ACCESS,
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_OPEN,
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0);
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}
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static NTSTATUS
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WaitForKeyboard(
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IN HANDLE KeyboardHandle,
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IN LONG TimeOut)
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{
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NTSTATUS Status;
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IO_STATUS_BLOCK IoStatusBlock;
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LARGE_INTEGER Offset, Timeout;
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KEYBOARD_INPUT_DATA InputData;
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INT Len = 0;
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/* Skip the wait if there is no timeout */
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if (TimeOut <= 0)
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return STATUS_TIMEOUT;
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/* Attempt to read a down key-press from the keyboard */
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do
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{
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Offset.QuadPart = 0;
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Status = NtReadFile(KeyboardHandle,
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NULL,
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NULL,
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NULL,
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&IoStatusBlock,
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&InputData,
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sizeof(KEYBOARD_INPUT_DATA),
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&Offset,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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/* Something failed, bail out */
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return Status;
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}
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if ((Status != STATUS_PENDING) && !(InputData.Flags & KEY_BREAK))
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{
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/* We have a down key-press, return */
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return Status;
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}
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} while (Status != STATUS_PENDING);
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/* Perform the countdown of TimeOut seconds */
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Status = STATUS_TIMEOUT;
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while (TimeOut > 0)
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{
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/*
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* Display the countdown string.
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* Note that we only do a carriage return to go back to the
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* beginning of the line to possibly erase it. Note also that
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* we display a trailing space to erase any last character
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* when the string length decreases.
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*/
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Len = PrintString("Press any key within %d second(s) to cancel and resume startup. \r", TimeOut);
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/* Decrease the countdown */
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--TimeOut;
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/* Wait one second for a key press */
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Timeout.QuadPart = -10000000;
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Status = NtWaitForSingleObject(KeyboardHandle, FALSE, &Timeout);
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if (Status != STATUS_TIMEOUT)
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break;
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}
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/* Erase the countdown string */
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EraseLine(Len);
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if (Status == STATUS_TIMEOUT)
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{
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/* The user did not press any key, cancel the read */
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NtCancelIoFile(KeyboardHandle, &IoStatusBlock);
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}
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else
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{
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/* Otherwise, return some status */
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Status = IoStatusBlock.Status;
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}
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return Status;
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}
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static NTSTATUS
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GetFileSystem(
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IN PUNICODE_STRING VolumePathU,
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IN OUT PWSTR FileSystemName,
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IN SIZE_T FileSystemNameSize)
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{
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NTSTATUS Status;
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE FileHandle;
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IO_STATUS_BLOCK IoStatusBlock;
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PFILE_FS_ATTRIBUTE_INFORMATION FileFsAttribute;
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UCHAR Buffer[sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + MAX_PATH * sizeof(WCHAR)];
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FileFsAttribute = (PFILE_FS_ATTRIBUTE_INFORMATION)Buffer;
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InitializeObjectAttributes(&ObjectAttributes,
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VolumePathU,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtCreateFile(&FileHandle,
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FILE_GENERIC_READ,
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&ObjectAttributes,
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&IoStatusBlock,
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NULL,
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0,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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FILE_OPEN,
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0,
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NULL,
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0);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Could not open volume '%wZ' to obtain its file system, Status 0x%08lx\n",
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VolumePathU, Status);
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return Status;
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}
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Status = NtQueryVolumeInformationFile(FileHandle,
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&IoStatusBlock,
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FileFsAttribute,
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sizeof(Buffer),
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FileFsAttributeInformation);
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NtClose(FileHandle);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtQueryVolumeInformationFile() failed, Status 0x%08lx\n", Status);
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return Status;
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}
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if (FileSystemNameSize >= FileFsAttribute->FileSystemNameLength + sizeof(WCHAR))
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{
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RtlCopyMemory(FileSystemName,
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FileFsAttribute->FileSystemName,
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FileFsAttribute->FileSystemNameLength);
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FileSystemName[FileFsAttribute->FileSystemNameLength / sizeof(WCHAR)] = UNICODE_NULL;
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}
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else
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{
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return STATUS_BUFFER_TOO_SMALL;
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}
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return STATUS_SUCCESS;
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}
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/* This is based on SysInternals' ChkDsk application */
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static BOOLEAN
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NTAPI
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ChkdskCallback(
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IN CALLBACKCOMMAND Command,
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IN ULONG Modifier,
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IN PVOID Argument)
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{
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PDWORD Percent;
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PBOOLEAN Status;
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PTEXTOUTPUT Output;
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//
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// We get other types of commands,
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// but we don't have to pay attention to them
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//
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switch(Command)
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{
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case UNKNOWN2:
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DPRINT("UNKNOWN2\n");
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break;
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case UNKNOWN3:
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DPRINT("UNKNOWN3\n");
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break;
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case UNKNOWN4:
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DPRINT("UNKNOWN4\n");
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break;
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case UNKNOWN5:
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DPRINT("UNKNOWN5\n");
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break;
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case UNKNOWN9:
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DPRINT("UNKNOWN9\n");
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break;
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case UNKNOWNA:
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DPRINT("UNKNOWNA\n");
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break;
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case UNKNOWNC:
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DPRINT("UNKNOWNC\n");
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break;
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case UNKNOWND:
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DPRINT("UNKNOWND\n");
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break;
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case INSUFFICIENTRIGHTS:
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DPRINT("INSUFFICIENTRIGHTS\n");
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break;
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case FSNOTSUPPORTED:
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DPRINT("FSNOTSUPPORTED\n");
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break;
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case VOLUMEINUSE:
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DPRINT("VOLUMEINUSE\n");
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break;
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case STRUCTUREPROGRESS:
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DPRINT("STRUCTUREPROGRESS\n");
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break;
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case DONEWITHSTRUCTURE:
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DPRINT("DONEWITHSTRUCTURE\n");
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break;
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case CLUSTERSIZETOOSMALL:
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DPRINT("CLUSTERSIZETOOSMALL\n");
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break;
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case PROGRESS:
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Percent = (PDWORD) Argument;
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PrintString("%d percent completed.\r", *Percent);
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break;
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case OUTPUT:
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Output = (PTEXTOUTPUT) Argument;
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PrintString("%s", Output->Output);
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break;
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case DONE:
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Status = (PBOOLEAN)Argument;
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if (*Status == FALSE)
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{
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PrintString("The file system check was unable to complete successfully.\r\n\r\n");
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// Error = TRUE;
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}
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break;
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}
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return TRUE;
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}
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static NTSTATUS
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CheckVolume(
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IN PCWSTR VolumePath,
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IN LONG TimeOut,
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IN BOOLEAN CheckOnlyIfDirty)
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{
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NTSTATUS Status;
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BOOLEAN Success;
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PCWSTR DisplayName;
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UNICODE_STRING VolumePathU;
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ULONG Count;
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WCHAR FileSystem[128];
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RtlInitUnicodeString(&VolumePathU, VolumePath);
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/* Get a drive string for display purposes only */
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if (wcslen(VolumePath) == 6 &&
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VolumePath[0] == L'\\' &&
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VolumePath[1] == L'?' &&
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VolumePath[2] == L'?' &&
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VolumePath[3] == L'\\' &&
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VolumePath[5] == L':')
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{
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/* DOS drive */
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DisplayName = &VolumePath[4];
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}
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else
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{
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DisplayName = VolumePath;
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}
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DPRINT1("AUTOCHK: Checking %wZ\n", &VolumePathU);
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PrintString("Verifying the file system on %S\r\n", DisplayName);
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/* Get the file system */
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Status = GetFileSystem(&VolumePathU,
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FileSystem,
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sizeof(FileSystem));
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("GetFileSystem() failed, Status 0x%08lx\n", Status);
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PrintString(" Unable to detect the file system of volume %S\r\n", DisplayName);
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goto Quit;
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}
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PrintString(" The file system type is %S.\r\n\r\n", FileSystem);
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/* Find a suitable file system provider */
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for (Count = 0; Count < RTL_NUMBER_OF(FileSystems); ++Count)
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{
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if (wcscmp(FileSystem, FileSystems[Count].Name) == 0)
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break;
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}
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if (Count >= RTL_NUMBER_OF(FileSystems))
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{
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DPRINT1("File system %S not supported\n", FileSystem);
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PrintString(" Unable to verify the volume. The %S file system is not supported.\r\n", FileSystem);
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Status = STATUS_DLL_NOT_FOUND;
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goto Quit;
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}
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/* Check whether the volume is dirty */
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Status = STATUS_SUCCESS;
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Success = FileSystems[Count].ChkdskFunc(&VolumePathU,
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ChkdskCallback,
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FALSE, // FixErrors
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TRUE, // Verbose
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TRUE, // CheckOnlyIfDirty
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FALSE, // ScanDrive
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NULL,
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NULL,
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NULL,
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NULL,
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(PULONG)&Status);
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/* Perform the check either when the volume is dirty or a check is forced */
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if (Success && ((Status == STATUS_DISK_CORRUPT_ERROR) || !CheckOnlyIfDirty))
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{
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/* Let the user decide whether to repair */
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if (Status == STATUS_DISK_CORRUPT_ERROR)
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{
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PrintString("The file system on volume %S needs to be checked for problems.\r\n", DisplayName);
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PrintString("You may cancel this check, but it is recommended that you continue.\r\n");
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}
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else
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{
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PrintString("A volume check has been scheduled.\r\n");
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}
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if (!KeyboardHandle || WaitForKeyboard(KeyboardHandle, TimeOut) == STATUS_TIMEOUT)
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{
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PrintString("The system will now check the file system.\r\n\r\n");
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Status = STATUS_SUCCESS;
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Success = FileSystems[Count].ChkdskFunc(&VolumePathU,
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ChkdskCallback,
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TRUE, // FixErrors
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TRUE, // Verbose
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CheckOnlyIfDirty,
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FALSE, // ScanDrive
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NULL,
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NULL,
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NULL,
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NULL,
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(PULONG)&Status);
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}
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else
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{
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PrintString("The file system check has been skipped.\r\n");
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}
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}
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Quit:
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PrintString("\r\n\r\n");
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return Status;
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}
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static VOID
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QueryTimeout(
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IN OUT PLONG TimeOut)
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{
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RTL_QUERY_REGISTRY_TABLE QueryTable[2];
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RtlZeroMemory(QueryTable, sizeof(QueryTable));
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
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QueryTable[0].Name = L"AutoChkTimeOut";
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QueryTable[0].EntryContext = TimeOut;
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RtlQueryRegistryValues(RTL_REGISTRY_CONTROL, L"Session Manager", QueryTable, NULL, NULL);
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/* See: https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/autochk */
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*TimeOut = min(max(*TimeOut, 0), 259200);
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}
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INT
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__cdecl
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_main(
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IN INT argc,
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IN PCHAR argv[],
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IN PCHAR envp[],
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IN ULONG DebugFlag)
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{
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NTSTATUS Status;
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LONG TimeOut;
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ULONG i;
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BOOLEAN CheckAllVolumes = FALSE;
|
|
BOOLEAN CheckOnlyIfDirty = TRUE;
|
|
PROCESS_DEVICEMAP_INFORMATION DeviceMap;
|
|
PCHAR SkipDrives = NULL;
|
|
ANSI_STRING VolumePathA;
|
|
UNICODE_STRING VolumePathU;
|
|
WCHAR VolumePath[128] = L"";
|
|
|
|
/*
|
|
* Parse the command-line: optional command switches,
|
|
* then the NT volume name (or drive letter) to be analysed.
|
|
* If "*" is passed this means that we check all the volumes.
|
|
*/
|
|
if (argc <= 1)
|
|
{
|
|
/* Only one parameter (the program name), bail out */
|
|
return 1;
|
|
}
|
|
for (i = 1; i < argc; ++i)
|
|
{
|
|
if (argv[i][0] == '/' || argv[i][0] == '-')
|
|
{
|
|
DPRINT("Parameter %d: %s\n", i, argv[i]);
|
|
switch (toupper(argv[i][1]))
|
|
{
|
|
case 'K': /* List of drive letters to skip */
|
|
{
|
|
/* Check for the separator */
|
|
if (argv[i][2] != ':')
|
|
goto Default;
|
|
|
|
SkipDrives = &argv[i][3];
|
|
break;
|
|
}
|
|
|
|
case 'R': /* Repair the errors, implies /P */
|
|
case 'P': /* Check even if not dirty */
|
|
{
|
|
if (argv[i][2] != ANSI_NULL)
|
|
goto Default;
|
|
|
|
CheckOnlyIfDirty = FALSE;
|
|
break;
|
|
}
|
|
|
|
default: Default:
|
|
DPRINT1("Unknown switch %d: %s\n", i, argv[i]);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DPRINT("Parameter %d - Volume specification: %s\n", i, argv[i]);
|
|
if (strcmp(argv[i], "*") == 0)
|
|
{
|
|
CheckAllVolumes = TRUE;
|
|
}
|
|
else
|
|
{
|
|
RtlInitEmptyUnicodeString(&VolumePathU,
|
|
VolumePath,
|
|
sizeof(VolumePath));
|
|
RtlInitAnsiString(&VolumePathA, argv[i]);
|
|
Status = RtlAnsiStringToUnicodeString(&VolumePathU,
|
|
&VolumePathA,
|
|
FALSE);
|
|
}
|
|
|
|
/* Stop the parsing now */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* FIXME: We should probably use here the mount manager to be
|
|
* able to check volumes which don't have a drive letter.
|
|
*/
|
|
Status = NtQueryInformationProcess(NtCurrentProcess(),
|
|
ProcessDeviceMap,
|
|
&DeviceMap.Query,
|
|
sizeof(DeviceMap.Query),
|
|
NULL);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("NtQueryInformationProcess() failed, Status 0x%08lx\n", Status);
|
|
return 1;
|
|
}
|
|
|
|
/* Filter out the skipped drives from the map */
|
|
if (SkipDrives && *SkipDrives)
|
|
{
|
|
DPRINT1("Skipping drives:");
|
|
while (*SkipDrives)
|
|
{
|
|
#if DBG
|
|
DbgPrint(" %c:", *SkipDrives);
|
|
#endif
|
|
/* Retrieve the index and filter the drive out */
|
|
i = toupper(*SkipDrives) - 'A';
|
|
if (0 <= i && i <= 'Z'-'A')
|
|
DeviceMap.Query.DriveMap &= ~(1 << i);
|
|
|
|
/* Go to the next drive letter */
|
|
++SkipDrives;
|
|
}
|
|
DbgPrint("\n");
|
|
}
|
|
|
|
/* Query the timeout */
|
|
TimeOut = 3;
|
|
QueryTimeout(&TimeOut);
|
|
|
|
/* Open the keyboard */
|
|
Status = OpenKeyboard(&KeyboardHandle);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("OpenKeyboard() failed, Status 0x%08lx\n", Status);
|
|
/* Ignore keyboard interaction */
|
|
}
|
|
|
|
if (CheckAllVolumes)
|
|
{
|
|
/* Enumerate and check each of the available volumes */
|
|
for (i = 0; i <= 'Z'-'A'; i++)
|
|
{
|
|
if ((DeviceMap.Query.DriveMap & (1 << i)) &&
|
|
(DeviceMap.Query.DriveType[i] == DOSDEVICE_DRIVE_FIXED))
|
|
{
|
|
swprintf(VolumePath, L"\\??\\%c:", L'A' + i);
|
|
CheckVolume(VolumePath, TimeOut, CheckOnlyIfDirty);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Retrieve our index and analyse the volume */
|
|
if (wcslen(VolumePath) == 6 &&
|
|
VolumePath[0] == L'\\' &&
|
|
VolumePath[1] == L'?' &&
|
|
VolumePath[2] == L'?' &&
|
|
VolumePath[3] == L'\\' &&
|
|
VolumePath[5] == L':')
|
|
{
|
|
i = toupper(VolumePath[4]) - 'A';
|
|
if ((DeviceMap.Query.DriveMap & (1 << i)) &&
|
|
(DeviceMap.Query.DriveType[i] == DOSDEVICE_DRIVE_FIXED))
|
|
{
|
|
CheckVolume(VolumePath, TimeOut, CheckOnlyIfDirty);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Just perform the check on the specified volume */
|
|
// TODO: Check volume type using NtQueryVolumeInformationFile(FileFsDeviceInformation)
|
|
CheckVolume(VolumePath, TimeOut, CheckOnlyIfDirty);
|
|
}
|
|
}
|
|
|
|
/* Close the keyboard */
|
|
if (KeyboardHandle)
|
|
NtClose(KeyboardHandle);
|
|
|
|
// PrintString("Done\r\n\r\n");
|
|
return 0;
|
|
}
|
|
|
|
/* EOF */
|