784 lines
34 KiB
C
784 lines
34 KiB
C
|
/*++
|
|||
|
|
|
|||
|
|
Copyright (c) 1989 Microsoft Corporation
|
|||
|
|
|
|||
|
|
Module Name:
|
|||
|
|
|
|||
|
|
iodata.c
|
|||
|
|
|
|||
|
|
Abstract:
|
|||
|
|
|
|||
|
|
This module contains the global read/write data for the I/O system.
|
|||
|
|
|
|||
|
|
Author:
|
|||
|
|
|
|||
|
|
Darryl E. Havens (darrylh) April 27, 1989
|
|||
|
|
|
|||
|
|
Revision History:
|
|||
|
|
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
|
|||
|
|
#include "iomgr.h"
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Define the global read/write data for the I/O system.
|
|||
|
|
//
|
|||
|
|
// The following lock is used to guard access to the CancelRoutine address
|
|||
|
|
// in IRPs. It must be locked to set the address of a routine, clear the
|
|||
|
|
// address of a routine, when a cancel routine is invoked, or when
|
|||
|
|
// manipulating any structure that will set a cancel routine address in
|
|||
|
|
// a packet.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
// extern KSPIN_LOCK IopCancelSpinLock;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following lock is used to guard access to VPB data structures. It
|
|||
|
|
// must be held each time the reference count, mount flag, or device object
|
|||
|
|
// fields of a VPB are manipulated.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
// extern KSPIN_LOCK IopVpbSpinLock;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following lock is used to guard access to the I/O system database for
|
|||
|
|
// unloading drivers. It must be locked to increment or decrement device
|
|||
|
|
// reference counts and to set the unload pending flag in a device object.
|
|||
|
|
// The lock is allocated by the I/O system during phase 1 initialization.
|
|||
|
|
//
|
|||
|
|
// This lock is also used to decrement the count of Associated IRPs for a
|
|||
|
|
// given Master IRP.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
// extern KSPIN_LOCK IopDatabaseLock;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following resource is used to control access to the I/O system's
|
|||
|
|
// database. It allows exclusive access to the file system queue for
|
|||
|
|
// registering a file system as well as shared access to the same when
|
|||
|
|
// searching for a file system to mount a volume on some media. The resource
|
|||
|
|
// is initialized by the I/O system initialization code during phase 1
|
|||
|
|
// initialization.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
ERESOURCE IopDatabaseResource;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following resource is used to control access to security descriptors
|
|||
|
|
// on devices. It allows multiple readers to perform security checks and
|
|||
|
|
// queries on device security, but only a single writer to modify the security
|
|||
|
|
// on a device at a time.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
ERESOURCE IopSecurityResource;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue header contains the list of disk file systems currently
|
|||
|
|
// loaded into the system. The list actually contains the device objects
|
|||
|
|
// for each of the file systems in the system. Access to this queue is
|
|||
|
|
// protected using the IopDatabaseResource for exclusive (write) or shared
|
|||
|
|
// (read) access locks.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopDiskFileSystemQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue header contains the list of CD ROM file systems currently
|
|||
|
|
// loaded into the system. The list actually contains the device objects
|
|||
|
|
// for each of the file systems in the system. Access to this queue is
|
|||
|
|
// protected using the IopDatabaseResource for exclusive (write) or shared
|
|||
|
|
// (read) access locks.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopCdRomFileSystemQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue header contains the list of network file systems
|
|||
|
|
// (redirectors) currently loaded into the system. The list actually
|
|||
|
|
// contains the device objects for each of the network file systems in the
|
|||
|
|
// system. Access to this queue is protected using the IopDatabaseResource
|
|||
|
|
// for exclusive (write) or shared (read) access locks.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopNetworkFileSystemQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue header contains the list of tape file systems currently
|
|||
|
|
// loaded into the system. The list actually contains the device objects
|
|||
|
|
// for each of the file systems in the system. Access to this queue is
|
|||
|
|
// protected using the IopDatabaseResource for exclusive (write) or shared
|
|||
|
|
// (read) access locks.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopTapeFileSystemQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue header contains the list of boot drivers that have
|
|||
|
|
// registered for a call back once all devices have been enumerated.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopBootDriverReinitializeQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue header contains the list of drivers that have
|
|||
|
|
// registered reinitialization routines.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopDriverReinitializeQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue headers contain the lists of the drivers that have
|
|||
|
|
// registered shutdown notification routines.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopNotifyShutdownQueueHead;
|
|||
|
|
LIST_ENTRY IopNotifyLastChanceShutdownQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following queue header contains the list of the driver that have
|
|||
|
|
// registered to be notified when a file system registers or unregisters itself
|
|||
|
|
// as an active file system.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopFsNotifyChangeQueueHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following are the lookaside lists used to keep track of the two I/O
|
|||
|
|
// Request Packet (IRP), the Memory Descriptor List (MDL) Lookaside list, and
|
|||
|
|
// the I/O Completion List (ICP) Lookaside list.
|
|||
|
|
//
|
|||
|
|
// The "large" IRP contains 4 stack locations, the maximum in the SDK, and the
|
|||
|
|
// "small" IRP contains a single entry, the most common case for devices other
|
|||
|
|
// than disks and network devices.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
GENERAL_LOOKASIDE IopCompletionLookasideList;
|
|||
|
|
GENERAL_LOOKASIDE IopLargeIrpLookasideList;
|
|||
|
|
GENERAL_LOOKASIDE IopSmallIrpLookasideList;
|
|||
|
|
GENERAL_LOOKASIDE IopMdlLookasideList;
|
|||
|
|
ULONG IopLargeIrpStackLocations;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following spinlock is used to control access to the I/O system's error
|
|||
|
|
// log database. It is initialized by the I/O system initialization code when
|
|||
|
|
// the system is being initialized. This lock must be owned in order to insert
|
|||
|
|
// or remove entries from either the free or entry queue.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
// extern KSPIN_LOCK IopErrorLogLock;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following is the list head for all error log entries in the system which
|
|||
|
|
// have not yet been sent to the error log process. Entries are written placed
|
|||
|
|
// onto the list by the IoWriteElEntry procedure.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LIST_ENTRY IopErrorLogListHead;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following is used to track how much memory is allocated to I/O error log
|
|||
|
|
// packets. The spinlock is used to protect this variable.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
ULONG IopErrorLogAllocation;
|
|||
|
|
// extern KSPIN_LOCK IopErrorLogAllocationLock;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following spinlock is used by the I/O system to synchronize examining
|
|||
|
|
// the thread field of an I/O Request Packet so that the request can be
|
|||
|
|
// queued as a special kernel APC to the thread. The reason that the
|
|||
|
|
// spinlock must be used is for cases when the request times out, and so
|
|||
|
|
// the thread has been permitted to possibly exit.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
// extern KSPIN_LOCK IopCompletionLock;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following global contains the queue of informational hard error
|
|||
|
|
// pop-ups.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
IOP_HARD_ERROR_QUEUE IopHardError;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following global is non-null when there is a pop-up on the screen
|
|||
|
|
// waiting for user action. It points to that packet.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
PIOP_HARD_ERROR_PACKET IopCurrentHardError;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following are used to implement the I/O system's one second timer.
|
|||
|
|
// The lock protects access to the queue, the queue contains an entry for
|
|||
|
|
// each driver that needs to be invoked, and the timer and DPC data
|
|||
|
|
// structures are used to actually get the internal timer routine invoked
|
|||
|
|
// once every second. The count is used to maintain the number of timer
|
|||
|
|
// entries that actually indicate that the driver is to be invoked.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
// extern KSPIN_LOCK IopTimerLock;
|
|||
|
|
LIST_ENTRY IopTimerQueueHead;
|
|||
|
|
KDPC IopTimerDpc;
|
|||
|
|
KTIMER IopTimer;
|
|||
|
|
ULONG IopTimerCount;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following are the global pointers for the Object Type Descriptors that
|
|||
|
|
// are created when each of the I/O specific object types are created.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
POBJECT_TYPE IoAdapterObjectType;
|
|||
|
|
POBJECT_TYPE IoControllerObjectType;
|
|||
|
|
POBJECT_TYPE IoCompletionObjectType;
|
|||
|
|
POBJECT_TYPE IoDeviceObjectType;
|
|||
|
|
POBJECT_TYPE IoDriverObjectType;
|
|||
|
|
POBJECT_TYPE IoDeviceHandlerObjectType;
|
|||
|
|
POBJECT_TYPE IoFileObjectType;
|
|||
|
|
ULONG IoDeviceHandlerObjectSize;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following is a global lock and counters for I/O operations requested
|
|||
|
|
// on a system-wide basis. The first three counters simply track the number
|
|||
|
|
// of read, write, and other types of operations that have been requested.
|
|||
|
|
// The latter three counters track the actual number of bytes that have been
|
|||
|
|
// transferred throughout the system.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
// extern KSPIN_LOCK IoStatisticsLock;
|
|||
|
|
ULONG IoReadOperationCount;
|
|||
|
|
ULONG IoWriteOperationCount;
|
|||
|
|
ULONG IoOtherOperationCount;
|
|||
|
|
LARGE_INTEGER IoReadTransferCount;
|
|||
|
|
LARGE_INTEGER IoWriteTransferCount;
|
|||
|
|
LARGE_INTEGER IoOtherTransferCount;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following is the base pointer for the crash dump control block that is
|
|||
|
|
// used to control dumping all of physical memory to the paging file after a
|
|||
|
|
// system crash. And, the checksum for the dump control block is also declared.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
PDUMP_CONTROL_BLOCK IopDumpControlBlock;
|
|||
|
|
ULONG IopDumpControlBlockChecksum;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following are the spin lock and event that allow the I/O system to
|
|||
|
|
// implement fast file object locks.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
KEVENT IopFastLockEvent;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following is a monotonically increasing number (retrieved via
|
|||
|
|
// InterlockedIncrement) that is used by IoCreateDevice to automatically
|
|||
|
|
// generate a device object name when the FILE_AUTOGENERATED_DEVICE_NAME
|
|||
|
|
// device characteristic is specified.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
LONG IopUniqueDeviceObjectNumber;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// IoRemoteBootClient indicates whether the system was booted as a remote
|
|||
|
|
// boot client.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
BOOLEAN IoRemoteBootClient;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Counts number of Fs registration/unregistrations
|
|||
|
|
//
|
|||
|
|
ULONG IopFsRegistrationOps;
|
|||
|
|
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Reserve IRP allocator for paging reads.
|
|||
|
|
//
|
|||
|
|
IOP_RESERVE_IRP_ALLOCATOR IopReserveIrpAllocator;
|
|||
|
|
|
|||
|
|
#if defined(REMOTE_BOOT)
|
|||
|
|
//
|
|||
|
|
// The following indicates whether or not the Client Side Caching subsystem
|
|||
|
|
// was successfully initialized.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
BOOLEAN IoCscInitializationFailed;
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following are used to synchronize with the link tracking service while establishing a connection.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
KEVENT IopLinkTrackingPortObject;
|
|||
|
|
LINK_TRACKING_PACKET IopLinkTrackingPacket;
|
|||
|
|
|
|||
|
|
IOP_IRP_STACK_PROFILER IopIrpStackProfiler;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Function pointers of key IO routines.
|
|||
|
|
// The functions need to be in their own cache lines as they are readonly and
|
|||
|
|
// never modified after boot.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
#define CACHE_SIZE 128
|
|||
|
|
UCHAR IopPrePadding[CACHE_SIZE] = {0};
|
|||
|
|
PIO_CALL_DRIVER pIofCallDriver = 0;
|
|||
|
|
PIO_COMPLETE_REQUEST pIofCompleteRequest = 0;
|
|||
|
|
PIO_ALLOCATE_IRP pIoAllocateIrp = 0;
|
|||
|
|
PIO_FREE_IRP pIoFreeIrp = 0;
|
|||
|
|
UCHAR IopPostPadding[CACHE_SIZE] = {0};
|
|||
|
|
|
|||
|
|
//*********
|
|||
|
|
//
|
|||
|
|
// Note: All of the following data is potentially pageable, depending on the
|
|||
|
|
// target platform.
|
|||
|
|
//
|
|||
|
|
//*********
|
|||
|
|
|
|||
|
|
#ifdef ALLOC_DATA_PRAGMA
|
|||
|
|
#pragma data_seg("PAGEDATA")
|
|||
|
|
#pragma const_seg("PAGECONST")
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following are used to store the handle and a pointer to the referenced
|
|||
|
|
|
|||
|
|
// whenever a file is moved across systems.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
PVOID IopLinkTrackingServiceObject;
|
|||
|
|
PKEVENT IopLinkTrackingServiceEvent;
|
|||
|
|
HANDLE IopLinkTrackingServiceEventHandle;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the minimum length of the FileInformation
|
|||
|
|
// buffer for an NtQueryInformationFile service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FileInformationClass enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const UCHAR IopQueryOperationLength[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
0, // 1 FileDirectoryInformation
|
|||
|
|
0, // 2 FileFullDirectoryInformation
|
|||
|
|
0, // 3 FileBothDirectoryInformation
|
|||
|
|
sizeof( FILE_BASIC_INFORMATION ), // 4 FileBasicInformation
|
|||
|
|
sizeof( FILE_STANDARD_INFORMATION ), // 5 FileStandardInformation
|
|||
|
|
sizeof( FILE_INTERNAL_INFORMATION ), // 6 FileInternalInformation
|
|||
|
|
sizeof( FILE_EA_INFORMATION ), // 7 FileEaInformation
|
|||
|
|
sizeof( FILE_ACCESS_INFORMATION ), // 8 FileAccessInformation
|
|||
|
|
sizeof( FILE_NAME_INFORMATION ), // 9 FileNameInformation
|
|||
|
|
0, // 10 FileRenameInformation
|
|||
|
|
0, // 11 FileLinkInformation
|
|||
|
|
0, // 12 FileNamesInformation
|
|||
|
|
0, // 13 FileDispositionInformation
|
|||
|
|
sizeof( FILE_POSITION_INFORMATION ), // 14 FilePositionInformation
|
|||
|
|
0, // 15 FileFullEaInformation
|
|||
|
|
sizeof( FILE_MODE_INFORMATION ), // 16 FileModeInformation
|
|||
|
|
sizeof( FILE_ALIGNMENT_INFORMATION ), // 17 FileAlignmentInformation
|
|||
|
|
sizeof( FILE_ALL_INFORMATION ), // 18 FileAllInformation
|
|||
|
|
0, // 19 FileAllocationInformation
|
|||
|
|
0, // 20 FileEndOfFileInformation
|
|||
|
|
sizeof( FILE_NAME_INFORMATION ), // 21 FileAlternateNameInformation
|
|||
|
|
sizeof( FILE_STREAM_INFORMATION ), // 22 FileStreamInformation
|
|||
|
|
sizeof( FILE_PIPE_INFORMATION ), // 23 FilePipeInformation
|
|||
|
|
sizeof( FILE_PIPE_LOCAL_INFORMATION ), // 24 FilePipeLocalInformation
|
|||
|
|
sizeof( FILE_PIPE_REMOTE_INFORMATION ), // 25 FilePipeRemoteInformation
|
|||
|
|
sizeof( FILE_MAILSLOT_QUERY_INFORMATION ), // 26 FileMailslotQueryInformation
|
|||
|
|
0, // 27 FileMailslotSetInformation
|
|||
|
|
sizeof( FILE_COMPRESSION_INFORMATION ), // 28 FileCompressionInformation
|
|||
|
|
sizeof( FILE_OBJECTID_INFORMATION ), // 29 FileObjectIdInformation
|
|||
|
|
0, // 30 FileCompletionInformation
|
|||
|
|
0, // 31 FileMoveClusterInformation
|
|||
|
|
sizeof( FILE_QUOTA_INFORMATION ), // 32 FileQuotaInformation
|
|||
|
|
sizeof( FILE_REPARSE_POINT_INFORMATION ), // 33 FileReparsePointInformation
|
|||
|
|
sizeof( FILE_NETWORK_OPEN_INFORMATION), // 34 FileNetworkOpenInformation
|
|||
|
|
sizeof( FILE_ATTRIBUTE_TAG_INFORMATION), // 35 FileAttributeTagInformation
|
|||
|
|
0, // 36 FileTrackingInformation
|
|||
|
|
0, // 37 FileIdBothDiretoryInformation
|
|||
|
|
0, // 38 FileIdFullDiretoryInformation
|
|||
|
|
0, // 39 FileValidDataLengthInformation
|
|||
|
|
0, // 40 FileShortNameInformation
|
|||
|
|
0xff // FileMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the minimum length of the FileInformation
|
|||
|
|
// buffer for an NtSetInformationFile service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FileInformationClass enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const UCHAR IopSetOperationLength[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
0, // 1 FileDirectoryInformation
|
|||
|
|
0, // 2 FileFullDirectoryInformation
|
|||
|
|
0, // 3 FileBothDirectoryInformation
|
|||
|
|
sizeof( FILE_BASIC_INFORMATION ), // 4 FileBasicInformation
|
|||
|
|
0, // 5 FileStandardInformation
|
|||
|
|
0, // 6 FileInternalInformation
|
|||
|
|
0, // 7 FileEaInformation
|
|||
|
|
0, // 8 FileAccessInformation
|
|||
|
|
0, // 9 FileNameInformation
|
|||
|
|
sizeof( FILE_RENAME_INFORMATION ), // 10 FileRenameInformation
|
|||
|
|
sizeof( FILE_LINK_INFORMATION ), // 11 FileLinkInformation
|
|||
|
|
0, // 12 FileNamesInformation
|
|||
|
|
sizeof( FILE_DISPOSITION_INFORMATION ), // 13 FileDispositionInformation
|
|||
|
|
sizeof( FILE_POSITION_INFORMATION ), // 14 FilePositionInformation
|
|||
|
|
0, // 15 FileFullEaInformation
|
|||
|
|
sizeof( FILE_MODE_INFORMATION ), // 16 FileModeInformation
|
|||
|
|
0, // 17 FileAlignmentInformation
|
|||
|
|
0, // 18 FileAllInformation
|
|||
|
|
sizeof( FILE_ALLOCATION_INFORMATION ), // 19 FileAllocationInformation
|
|||
|
|
sizeof( FILE_END_OF_FILE_INFORMATION ), // 20 FileEndOfFileInformation
|
|||
|
|
0, // 21 FileAlternateNameInformation
|
|||
|
|
0, // 22 FileStreamInformation
|
|||
|
|
sizeof( FILE_PIPE_INFORMATION ), // 23 FilePipeInformation
|
|||
|
|
0, // 24 FilePipeLocalInformation
|
|||
|
|
sizeof( FILE_PIPE_REMOTE_INFORMATION ), // 25 FilePipeRemoteInformation
|
|||
|
|
0, // 26 FileMailslotQueryInformation
|
|||
|
|
sizeof( FILE_MAILSLOT_SET_INFORMATION ), // 27 FileMailslotSetInformation
|
|||
|
|
0, // 28 FileCompressionInformation
|
|||
|
|
sizeof( FILE_OBJECTID_INFORMATION ), // 29 FileObjectIdInformation
|
|||
|
|
sizeof( FILE_COMPLETION_INFORMATION ), // 30 FileCompletionInformation
|
|||
|
|
sizeof( FILE_MOVE_CLUSTER_INFORMATION ), // 31 FileMoveClusterInformation
|
|||
|
|
sizeof( FILE_QUOTA_INFORMATION ), // 32 FileQuotaInformation
|
|||
|
|
0, // 33 FileReparsePointInformation
|
|||
|
|
0, // 34 FileNetworkOpenInformation
|
|||
|
|
0, // 35 FileAttributeTagInformation
|
|||
|
|
sizeof( FILE_TRACKING_INFORMATION ), // 36 FileTrackingInformation
|
|||
|
|
0, // 37 FileIdBothDiretoryInformation
|
|||
|
|
0, // 38 FileIdFullDiretoryInformation
|
|||
|
|
sizeof( FILE_VALID_DATA_LENGTH_INFORMATION ), // 39 FileValidDataLengthInformation
|
|||
|
|
sizeof( FILE_NAME_INFORMATION ), // 40 FileShortNameInformation
|
|||
|
|
0xff // FileMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the alignment requirement of both all query
|
|||
|
|
// and set operations, including directory operations, but not FS operations.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FileInformationClass enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const UCHAR IopQuerySetAlignmentRequirement[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
sizeof( LONGLONG ), // 1 FileDirectoryInformation
|
|||
|
|
sizeof( LONGLONG ), // 2 FileFullDirectoryInformation
|
|||
|
|
sizeof( LONGLONG ), // 3 FileBothDirectoryInformation
|
|||
|
|
sizeof( LONGLONG ), // 4 FileBasicInformation
|
|||
|
|
sizeof( LONGLONG ), // 5 FileStandardInformation
|
|||
|
|
sizeof( LONGLONG ), // 6 FileInternalInformation
|
|||
|
|
sizeof( LONG ), // 7 FileEaInformation
|
|||
|
|
sizeof( LONG ), // 8 FileAccessInformation
|
|||
|
|
sizeof( LONG ), // 9 FileNameInformation
|
|||
|
|
sizeof( LONG ), // 10 FileRenameInformation
|
|||
|
|
sizeof( LONG ), // 11 FileLinkInformation
|
|||
|
|
sizeof( LONG ), // 12 FileNamesInformation
|
|||
|
|
sizeof( CHAR ), // 13 FileDispositionInformation
|
|||
|
|
sizeof( LONGLONG ), // 14 FilePositionInformation
|
|||
|
|
sizeof( LONG ), // 15 FileFullEaInformation
|
|||
|
|
sizeof( LONG ), // 16 FileModeInformation
|
|||
|
|
sizeof( LONG ), // 17 FileAlignmentInformation
|
|||
|
|
sizeof( LONGLONG ), // 18 FileAllInformation
|
|||
|
|
sizeof( LONGLONG ), // 19 FileAllocationInformation
|
|||
|
|
sizeof( LONGLONG ), // 20 FileEndOfFileInformation
|
|||
|
|
sizeof( LONG ), // 21 FileAlternateNameInformation
|
|||
|
|
sizeof( LONGLONG ), // 22 FileStreamInformation
|
|||
|
|
sizeof( LONG ), // 23 FilePipeInformation
|
|||
|
|
sizeof( LONG ), // 24 FilePipeLocalInformation
|
|||
|
|
sizeof( LONG ), // 25 FilePipeRemoteInformation
|
|||
|
|
sizeof( LONGLONG ), // 26 FileMailslotQueryInformation
|
|||
|
|
sizeof( LONG ), // 27 FileMailslotSetInformation
|
|||
|
|
sizeof( LONGLONG ), // 28 FileCompressionInformation
|
|||
|
|
sizeof( LONG ), // 29 FileObjectIdInformation
|
|||
|
|
sizeof( LONG ), // 30 FileCompletionInformation
|
|||
|
|
sizeof( LONG ), // 31 FileMoveClusterInformation
|
|||
|
|
sizeof( LONG ), // 32 FileQuotaInformation
|
|||
|
|
sizeof( LONG ), // 33 FileReparsePointInformation
|
|||
|
|
sizeof( LONGLONG ), // 34 FileNetworkOpenInformation
|
|||
|
|
sizeof( LONG ), // 35 FileAttributeTagInformation
|
|||
|
|
sizeof( LONG ), // 36 FileTrackingInformation
|
|||
|
|
sizeof( LONGLONG ), // 37 FileIdBothDiretoryInformation
|
|||
|
|
sizeof( LONGLONG ), // 38 FileIdFullDiretoryInformation
|
|||
|
|
sizeof( LONGLONG ), // 39 FileValidDataLengthInformation
|
|||
|
|
sizeof( LONG ), // 40 FileShortNameInformation
|
|||
|
|
0xff // FileMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the required access mask for the caller to
|
|||
|
|
// access information in an NtQueryXxxFile service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FileInformationClass enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const ULONG IopQueryOperationAccess[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
0, // 1 FileDirectoryInformation
|
|||
|
|
0, // 2 FileFullDirectoryInformation
|
|||
|
|
0, // 3 FileBothDirectoryInformation
|
|||
|
|
FILE_READ_ATTRIBUTES, // 4 FileBasicInformation
|
|||
|
|
0, // 5 FileStandardInformation
|
|||
|
|
0, // 6 FileInternalInformation
|
|||
|
|
0, // 7 FileEaInformation
|
|||
|
|
0, // 8 FileAccessInformation
|
|||
|
|
0, // 9 FileNameInformation
|
|||
|
|
0, // 10 FileRenameInformation
|
|||
|
|
0, // 11 FileLinkInformation
|
|||
|
|
0, // 12 FileNamesInformation
|
|||
|
|
0, // 13 FileDispositionInformation
|
|||
|
|
0, // 14 FilePositionInformation
|
|||
|
|
FILE_READ_EA, // 15 FileFullEaInformation
|
|||
|
|
0, // 16 FileModeInformation
|
|||
|
|
0, // 17 FileAlignmentInformation
|
|||
|
|
FILE_READ_ATTRIBUTES, // 18 FileAllInformation
|
|||
|
|
0, // 19 FileAllocationInformation
|
|||
|
|
0, // 20 FileEndOfFileInformation
|
|||
|
|
0, // 21 FileAlternateNameInformation
|
|||
|
|
0, // 22 FileStreamInformation
|
|||
|
|
FILE_READ_ATTRIBUTES, // 23 FilePipeInformation
|
|||
|
|
FILE_READ_ATTRIBUTES, // 24 FilePipeLocalInformation
|
|||
|
|
FILE_READ_ATTRIBUTES, // 25 FilePipeRemoteInformation
|
|||
|
|
0, // 26 FileMailslotQueryInformation
|
|||
|
|
0, // 27 FileMailslotSetInformation
|
|||
|
|
0, // 28 FileCompressionInformation
|
|||
|
|
0, // 29 FileObjectIdInformation
|
|||
|
|
0, // 30 FileCompletionInformation
|
|||
|
|
0, // 31 FileMoveClusterInformation
|
|||
|
|
0, // 32 FileQuotaInformation
|
|||
|
|
0, // 33 FileReparsePointInformation
|
|||
|
|
FILE_READ_ATTRIBUTES, // 34 FileNetworkOpenInformation
|
|||
|
|
FILE_READ_ATTRIBUTES, // 35 FileAttributeTagInformation
|
|||
|
|
0, // 36 FileTrackingInformation
|
|||
|
|
0, // 37 FileIdBothDiretoryInformation
|
|||
|
|
0, // 38 FileIdFullDiretoryInformation
|
|||
|
|
0, // 39 FileValidDataLengthInformation
|
|||
|
|
0, // 40 FileShortNameInformation
|
|||
|
|
0xffffffff // FileMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the required access mask for the caller to
|
|||
|
|
// access information in an NtSetXxxFile service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FILE_INFORMATION_CLASS enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const ULONG IopSetOperationAccess[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
0, // 1 FileDirectoryInformation
|
|||
|
|
0, // 2 FileFullDirectoryInformation
|
|||
|
|
0, // 3 FileBothDirectoryInformation
|
|||
|
|
FILE_WRITE_ATTRIBUTES, // 4 FileBasicInformation
|
|||
|
|
0, // 5 FileStandardInformation
|
|||
|
|
0, // 6 FileInternalInformation
|
|||
|
|
0, // 7 FileEaInformation
|
|||
|
|
0, // 8 FileAccessInformation
|
|||
|
|
0, // 9 FileNameInformation
|
|||
|
|
DELETE, // 10 FileRenameInformation
|
|||
|
|
0, // 11 FileLinkInformation
|
|||
|
|
0, // 12 FileNamesInformation
|
|||
|
|
DELETE, // 13 FileDispositionInformation
|
|||
|
|
0, // 14 FilePositionInformation
|
|||
|
|
FILE_WRITE_EA, // 15 FileFullEaInformation
|
|||
|
|
0, // 16 FileModeInformation
|
|||
|
|
0, // 17 FileAlignmentInformation
|
|||
|
|
0, // 18 FileAllInformation
|
|||
|
|
FILE_WRITE_DATA, // 19 FileAllocationInformation
|
|||
|
|
FILE_WRITE_DATA, // 20 FileEndOfFileInformation
|
|||
|
|
0, // 21 FileAlternateNameInformation
|
|||
|
|
0, // 22 FileStreamInformation
|
|||
|
|
FILE_WRITE_ATTRIBUTES, // 23 FilePipeInformation
|
|||
|
|
0, // 24 FilePipeLocalInformation
|
|||
|
|
FILE_WRITE_ATTRIBUTES, // 25 FilePipeRemoteInformation
|
|||
|
|
0, // 26 FileMailslotQueryInformation
|
|||
|
|
0, // 27 FileMailslotSetInformation
|
|||
|
|
0, // 28 FileCompressionInformation
|
|||
|
|
0, // 29 FileObjectIdInformation
|
|||
|
|
0, // 30 FileCompletionInformation
|
|||
|
|
FILE_WRITE_DATA, // 31 FileMoveClusterInformation
|
|||
|
|
0, // 32 FileQuotaInformation
|
|||
|
|
0, // 33 FileReparsePointInformation
|
|||
|
|
0, // 34 FileNetworkOpenInformation
|
|||
|
|
0, // 35 FileAttributeTagInformation
|
|||
|
|
FILE_WRITE_DATA, // 36 FileTrackingInformation
|
|||
|
|
0, // 37 FileIdBothDiretoryInformation
|
|||
|
|
0, // 38 FileIdFullDiretoryInformation
|
|||
|
|
FILE_WRITE_DATA, // 39 FileValidDataLengthInformation
|
|||
|
|
DELETE, // 40 FileShortNameInformation
|
|||
|
|
0xffffffff // FileMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the minimum length of the FsInformation
|
|||
|
|
// buffer for an NtQueryVolumeInformation service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FS_INFORMATION_CLASS enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const UCHAR IopQueryFsOperationLength[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
sizeof( FILE_FS_VOLUME_INFORMATION ), // 1 FileFsVolumeInformation
|
|||
|
|
0, // 2 FileFsLabelInformation
|
|||
|
|
sizeof( FILE_FS_SIZE_INFORMATION ), // 3 FileFsSizeInformation
|
|||
|
|
sizeof( FILE_FS_DEVICE_INFORMATION ), // 4 FileFsDeviceInformation
|
|||
|
|
sizeof( FILE_FS_ATTRIBUTE_INFORMATION ), // 5 FileFsAttributeInformation
|
|||
|
|
sizeof( FILE_FS_CONTROL_INFORMATION ), // 6 FileFsControlInformation
|
|||
|
|
sizeof( FILE_FS_FULL_SIZE_INFORMATION ), // 7 FileFsFullSizeInformation
|
|||
|
|
sizeof( FILE_FS_OBJECTID_INFORMATION ), // 8 FileFsObjectIdInformation
|
|||
|
|
sizeof( FILE_FS_DRIVER_PATH_INFORMATION),// 9 FileFsDriverPathInformation
|
|||
|
|
0xff // FileFsMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the minimum length of the FsInformation
|
|||
|
|
// buffer for an NtSetVolumeInformation service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FS_INFORMATION_CLASS enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const UCHAR IopSetFsOperationLength[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
0, // 1 FileFsVolumeInformation
|
|||
|
|
sizeof( FILE_FS_LABEL_INFORMATION ), // 2 FileFsLabelInformation
|
|||
|
|
0, // 3 FileFsSizeInformation
|
|||
|
|
0, // 4 FileFsDeviceInformation
|
|||
|
|
0, // 5 FileFsAttributeInformation
|
|||
|
|
sizeof( FILE_FS_CONTROL_INFORMATION ), // 6 FileFsControlInformation
|
|||
|
|
0, // 7 FileFsFullSizeInformation
|
|||
|
|
sizeof( FILE_FS_OBJECTID_INFORMATION ),// 8 FileFsObjectIdInformation
|
|||
|
|
0, // 9 FileFsDriverPathInformation
|
|||
|
|
0xff // FileFsMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the required access mask for the caller to
|
|||
|
|
// access information in an NtQueryVolumeInformation service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FS_INFORMATION_CLASS enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const ULONG IopQueryFsOperationAccess[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
0, // 1 FileFsVolumeInformation [any access to file or volume]
|
|||
|
|
0, // 2 FileFsLabelInformation [query is invalid]
|
|||
|
|
0, // 3 FileFsSizeInformation [any access to file or volume]
|
|||
|
|
0, // 4 FileFsDeviceInformation [any access to file or volume]
|
|||
|
|
0, // 5 FileFsAttributeInformation [any access to file or vol]
|
|||
|
|
FILE_READ_DATA, // 6 FileFsControlInformation [vol read access]
|
|||
|
|
0, // 7 FileFsFullSizeInformation [any access to file or volume]
|
|||
|
|
0, // 8 FileFsObjectIdInformation [any access to file or volume]
|
|||
|
|
0, // 9 FileFsDriverPathInformation [any access to file or volume]
|
|||
|
|
0xffffffff // FileFsMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the required access mask for the caller to
|
|||
|
|
// access information in an NtSetVolumeInformation service.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FS_INFORMATION_CLASS enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const ULONG IopSetFsOperationAccess[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
0, // 1 FileFsVolumeInformation [set is invalid]
|
|||
|
|
FILE_WRITE_DATA, // 2 FileFsLabelInformation [write access to volume]
|
|||
|
|
0, // 3 FileFsSizeInformation [set is invalid]
|
|||
|
|
0, // 4 FileFsDeviceInformation [set is invalid]
|
|||
|
|
0, // 5 FileFsAttributeInformation [set is invalid]
|
|||
|
|
FILE_WRITE_DATA, // 6 FileFsControlInformation [vol write access]
|
|||
|
|
0, // 7 FileFsFullSizeInformation [set is invalid]
|
|||
|
|
FILE_WRITE_DATA, // 8 FileFsObjectIdInformation [write access to volume]
|
|||
|
|
0, // 9 FileFsDriverPathInformation [set is invalid]
|
|||
|
|
0xffffffff // FileFsMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The following array specifies the alignment requirements for all FS query
|
|||
|
|
// and set information services.
|
|||
|
|
//
|
|||
|
|
// WARNING: This array depends on the order of the values in the
|
|||
|
|
// FS_INFORMATION_CLASS enumerated type. Note that the
|
|||
|
|
// enumerated type is one-based and the array is zero-based.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
const UCHAR IopQuerySetFsAlignmentRequirement[] =
|
|||
|
|
{
|
|||
|
|
0,
|
|||
|
|
sizeof( LONGLONG ), // 1 FileFsVolumeInformation
|
|||
|
|
sizeof( LONG ), // 2 FileFsLabelInformation
|
|||
|
|
sizeof( LONGLONG ), // 3 FileFsSizeInformation
|
|||
|
|
sizeof( LONG ), // 4 FileFsDeviceInformation
|
|||
|
|
sizeof( LONG ), // 5 FileFsAttributeInformation
|
|||
|
|
sizeof( LONGLONG ), // 6 FileFsControlInformation
|
|||
|
|
sizeof( LONGLONG ), // 7 FileFsFullSizeInformation
|
|||
|
|
sizeof( LONGLONG ), // 8 FileFsObjectIdInformation
|
|||
|
|
sizeof( LONGLONG ), // 9 FileFsDriverPathInformation
|
|||
|
|
0xff // FileFsMaximumInformation
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
PVOID IopLoaderBlock = NULL;
|
|||
|
|
|
|||
|
|
const WCHAR IopWstrRaw[] = L".Raw";
|
|||
|
|
const WCHAR IopWstrTranslated[] = L".Translated";
|
|||
|
|
const WCHAR IopWstrBusRaw[] = L".Bus.Raw";
|
|||
|
|
const WCHAR IopWstrBusTranslated[] = L".Bus.Translated";
|
|||
|
|
const WCHAR IopWstrOtherDrivers[] = L"OtherDrivers";
|
|||
|
|
|
|||
|
|
const WCHAR IopWstrAssignedResources[] = L"AssignedSystemResources";
|
|||
|
|
const WCHAR IopWstrRequestedResources[] = L"RequestedSystemResources";
|
|||
|
|
const WCHAR IopWstrSystemResources[] = L"Control\\SystemResources";
|
|||
|
|
const WCHAR IopWstrReservedResources[] = L"ReservedResources";
|
|||
|
|
const WCHAR IopWstrAssignmentOrdering[] = L"AssignmentOrdering";
|
|||
|
|
const WCHAR IopWstrBusValues[] = L"BusValues";
|
|||
|
|
UNICODE_STRING IoArcBootDeviceName = { 0 };
|
|||
|
|
UNICODE_STRING IoArcHalDeviceName = { 0 };
|
|||
|
|
PUCHAR IoLoaderArcBootDeviceName = NULL;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Initialization time data
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
#ifdef ALLOC_DATA_PRAGMA
|
|||
|
|
#pragma const_seg("INITCONST")
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
const WCHAR IopWstrHal[] = L"Hardware Abstraction Layer";
|
|||
|
|
const WCHAR IopWstrSystem[] = L"System Resources";
|
|||
|
|
const WCHAR IopWstrPhysicalMemory[] = L"Physical Memory";
|
|||
|
|
const WCHAR IopWstrSpecialMemory[] = L"Reserved";
|
|||
|
|
const WCHAR IopWstrLoaderReservedMemory[] = L"Loader Reserved";
|
|||
|
|
|
|||
|
|
#ifdef ALLOC_DATA_PRAGMA
|
|||
|
|
#pragma const_seg()
|
|||
|
|
#pragma data_seg()
|
|||
|
|
#endif
|