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1508 lines
35 KiB
1508 lines
35 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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Struct.h
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Abstract:
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This module defines the data structures that make up the major internal
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part of the NetWare file system.
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Author:
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Colin Watson [ColinW] 18-Dec-1992
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Revision History:
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--*/
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#ifndef _NWSTRUC_
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#define _NWSTRUC_
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#define byte UCHAR
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#define word USHORT
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#define dword ULONG
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typedef enum _PACKET_TYPE {
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SAP_BROADCAST,
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NCP_CONNECT,
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NCP_FUNCTION,
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NCP_SUBFUNCTION,
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NCP_DISCONNECT,
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NCP_BURST,
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NCP_ECHO
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} PACKET_TYPE;
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typedef struct _NW_TDI_STRUCT {
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HANDLE Handle;
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PDEVICE_OBJECT pDeviceObject;
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PFILE_OBJECT pFileObject;
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USHORT Socket;
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} NW_TDI_STRUCT, *PNW_TDI_STRUCT;
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typedef
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NTSTATUS
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(*PEX) (
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IN struct _IRP_CONTEXT* pIrpC,
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IN ULONG BytesAvailable,
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IN PUCHAR RspData
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);
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typedef
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VOID
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(*PRUN_ROUTINE) (
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IN struct _IRP_CONTEXT *IrpContext
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);
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typedef
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NTSTATUS
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(*PPOST_PROCESSOR) (
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IN struct _IRP_CONTEXT *IrpContext
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);
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typedef
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NTSTATUS
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(*PRECEIVE_ROUTINE) (
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IN struct _IRP_CONTEXT *IrpContext,
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IN ULONG BytesAvailable,
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IN PULONG BytesAccepted,
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IN PUCHAR Response,
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OUT PMDL *pReceiveMdl
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);
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typedef struct _NW_PID_TABLE_ENTRY {
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ULONG_PTR Pid32;
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ULONG_PTR ReferenceCount;
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ULONG_PTR Flags;
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} NW_PID_TABLE_ENTRY, *PNW_PID_TABLE_ENTRY;
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typedef struct _NW_PID_TABLE {
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//
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// Type and size of this record (must be NW_NTC_PID)
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//
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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int ValidEntries;
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NW_PID_TABLE_ENTRY PidTable[0];
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} NW_PID_TABLE, *PNW_PID_TABLE;
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//
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// The Scb (Server control Block) record corresponds to every server
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// connected to by the file system.
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// They are ordered in ScbQueue.
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// This structure is allocated from paged pool
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//
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typedef struct _SCB {
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//
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// The type and size of this record (must be NW_NTC_SCB)
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//
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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//
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// Pointer to the non-paged part of the SCB.
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//
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struct _NONPAGED_SCB *pNpScb;
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//
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// Prefix table entry.
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//
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UNICODE_PREFIX_TABLE_ENTRY PrefixEntry;
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//
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// Server version number
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//
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UCHAR MajorVersion;
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UCHAR MinorVersion;
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//
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// List of VCBs for this server, and a count of the VCB on the list.
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// These fields are protected by the RCB resource.
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//
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LIST_ENTRY ScbSpecificVcbQueue;
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ULONG VcbCount;
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//
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// A list of ICBs for the SCB.
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//
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LIST_ENTRY IcbList;
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ULONG IcbCount;
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ULONG OpenNdsStreams;
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//
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// User credentials that this Scb relates to.
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//
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LARGE_INTEGER UserUid;
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//
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// A count of the open files for all the VCBs for this server.
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// Plus the number of VCB that are explicitly connected.
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//
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ULONG OpenFileCount;
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//
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// The name of the server for this SCB. Note the pNpScb->ServerName and
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// UnicodeUid point at subparts of UidServerName->Buffer which must be
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// non-paged pool.
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//
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UNICODE_STRING UidServerName; // L"3e7\mars312
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UNICODE_STRING UnicodeUid; // L"3e7"
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//
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// The name of nds tree that this server belongs to, if any.
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//
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UNICODE_STRING NdsTreeName; // L"MARS"
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//
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// The username / password to use for auto-reconnect.
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//
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UNICODE_STRING UserName;
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UNICODE_STRING Password;
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//
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// Is this the logon (preferred) server?
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//
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BOOLEAN PreferredServer;
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//
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// Is this server waiting for us to read a message?
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//
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BOOLEAN MessageWaiting;
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//
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// The number of tree connects to the root of the SCB.
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//
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ULONG AttachCount;
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RTL_BITMAP DriveMapHeader;
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ULONG DriveMap[ (MAX_DRIVES + 1) / 32 ];
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//
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// NDS Object Cache.
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//
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PVOID ObjectCacheBuffer;
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LIST_ENTRY ObjectCacheList;
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KSEMAPHORE ObjectCacheLock;
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} SCB, *PSCB;
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//
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// Values for pNpScb->State
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//
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//
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// The SCB is on it's way up
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//
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#define SCB_STATE_ATTACHING (0x0001)
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//
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// The SCB is connected and logged in.
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//
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#define SCB_STATE_IN_USE (0x0003)
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//
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// The SCB is being disconnected or shutdown.
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//
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#define SCB_STATE_DISCONNECTING (0x0004)
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#define SCB_STATE_FLAG_SHUTDOWN (0x0005)
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//
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// The SCB is waiting to be connected.
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//
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#define SCB_STATE_RECONNECT_REQUIRED (0x0006)
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//
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// The SCB is connected but has not been logged into
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//
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#define SCB_STATE_LOGIN_REQUIRED (0x0007)
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//
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// The SCB is a fake SCB used to find a dir
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// server for a tree.
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//
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#define SCB_STATE_TREE_SCB (0x0008)
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//
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// The NONPAGED_SCB (Server control Block) contains all the data required
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// when communicating with a server when a spinlock is held or at raised
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// IRQL such as when being called at indication time by the transport.
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// This structure must be allocated from non-paged pool.
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//
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typedef struct _NONPAGED_SCB {
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//
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// The type and size of this record (must be NW_NTC_SCBNP
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//
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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//
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// Reference count and state information.
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//
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ULONG Reference;
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ULONG State;
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//
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// The time this SCB was last used.
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//
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LARGE_INTEGER LastUsedTime;
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//
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// Sending is true between the IoCallDriver to send the datagram and
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// the completion routine for the send.
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//
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BOOLEAN Sending;
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//
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// Receiving is true when the transport has indicated to the driver
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// that there is data to receive and there is too much data to handle
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// at indication time or we have received indicated data before
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// the the send IRP completes.
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//
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BOOLEAN Receiving;
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//
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// Received is true when the rx data is valid. If a receive Irp is
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// put down when Receiving is set to true then Received is set to
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// true when the receive Irp completes.
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//
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BOOLEAN Received;
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//
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// OkToReceive is true iff pEx should be called
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//
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BOOLEAN OkToReceive;
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//
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// Older servers insist that reads and writes do not cross 4k offsets
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// in the file.
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//
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BOOLEAN PageAlign;
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//
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// The links on the global list of SCBs.
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//
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LIST_ENTRY ScbLinks;
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//
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// Pointer to the paged component of the Scb
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//
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PSCB pScb;
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//
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// The list of request in progress for this SCB.
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//
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LIST_ENTRY Requests;
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//
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// The name of the server for this SCB.
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//
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UNICODE_STRING ServerName;
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//
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// Transport related information.
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//
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TA_IPX_ADDRESS LocalAddress;
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TA_IPX_ADDRESS RemoteAddress;
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TA_IPX_ADDRESS EchoAddress;
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IPXaddress ServerAddress;
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ULONG EchoCounter;
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//
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// Server is an autoassigned a socket in the range 0x4000 to 0x7fff.
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// The transport assigns the socket number avoiding in-use sockets.
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// Watchdog is socket+1 and Send is socket+2.
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//
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NW_TDI_STRUCT Server; // Used by us to contact server
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NW_TDI_STRUCT WatchDog; // Used by the server to check on us
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NW_TDI_STRUCT Send; // Used for send messages
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NW_TDI_STRUCT Echo; // Used to determine max packet size
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NW_TDI_STRUCT Burst; // Used for burst mode read and write
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USHORT TickCount;
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USHORT LipTickAdjustment;
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SHORT RetryCount; // Counts down to zero for current request
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SHORT TimeOut; // ticks to retransmission of current request
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UCHAR SequenceNo;
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UCHAR ConnectionNo;
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UCHAR ConnectionNoHigh;
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UCHAR ConnectionStatus;
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USHORT MaxTimeOut;
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USHORT BufferSize;
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UCHAR TaskNo;
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//
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// Burst mode parameters
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//
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ULONG LipSequenceNumber;
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ULONG SourceConnectionId; // High-low order
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ULONG DestinationConnectionId; // High-low order
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ULONG MaxPacketSize;
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ULONG MaxSendSize;
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ULONG MaxReceiveSize;
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BOOLEAN SendBurstModeEnabled;
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BOOLEAN ReceiveBurstModeEnabled;
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BOOLEAN BurstRenegotiateReqd;
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ULONG BurstSequenceNo; // Counts # of burst packets sent
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USHORT BurstRequestNo; // Counts # of burst requests sent
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LONG SendBurstSuccessCount; // The number of consecutive successful bursts
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LONG ReceiveBurstSuccessCount; // The number of consecutive successful bursts
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//
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// Send delays and timeouts
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//
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SHORT SendTimeout; // Exchange timeout in ticks (1/18th sec)
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ULONG TotalWaitTime; // Total time, in ticks, waiting for current response
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LONG NwLoopTime; // Time for a small packet to reach the server and return
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LONG NwSingleBurstPacketTime; // Time for a burst packet to go to the server
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LONG NwMaxSendDelay; // Burst send delay time, in 100us units
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LONG NwSendDelay; // Burst send delay time, in 100us units
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LONG NwGoodSendDelay; // Burst send delay time, in 100us units
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LONG NwBadSendDelay; // Burst send delay time, in 100us units
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LONG BurstDataWritten; // Bytes written, used for dummy NCP in write.c
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LONG NwMaxReceiveDelay; // Burst delay time, in 100us units
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LONG NwReceiveDelay; // Burst delay time, in 100us units
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LONG NwGoodReceiveDelay; // Burst delay time, in 100us units
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LONG NwBadReceiveDelay; // Burst delay time, in 100us units
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LONG CurrentBurstDelay; // All requests in the current burst need the same value
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LARGE_INTEGER NtSendDelay; // Burst send delay time, in 100ns units
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//
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// A spin lock used to protect various fields for this SCB.
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// NpScbInterLock is used to protect pNpScb->Reference.
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//
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KSPIN_LOCK NpScbSpinLock;
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KSPIN_LOCK NpScbInterLock;
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//
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// This field records the last time a time-out event was written to
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// the event log for this server.
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//
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LARGE_INTEGER NwNextEventTime;
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//
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// LIP estimation of speed in 100bps units.
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//
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ULONG LipDataSpeed;
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// The Pid mapping table - actually the NCP task ID -
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// is on a per-SCB basis.
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PNW_PID_TABLE PidTable;
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ERESOURCE RealPidResource;
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//
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// Server version number - dup from NpScb because accessed in
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// WatchDogDatagramHandler
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//
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UCHAR MajorVersion;
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#ifdef MSWDBG
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BOOL RequestQueued;
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BOOL RequestDequeued;
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ULONG SequenceNumber;
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#endif
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} NONPAGED_SCB, *PNONPAGED_SCB;
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//
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// Delete this VCB immediately if the reference count reaches zero.
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//
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#define VCB_FLAG_DELETE_IMMEDIATELY 0x00000001
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#define VCB_FLAG_EXPLICIT_CONNECTION 0x00000002
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#define VCB_FLAG_PRINT_QUEUE 0x00000004
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#define VCB_FLAG_LONG_NAME 0x00000008
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//
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// The VCB corresponds to a netware volume.
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//
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typedef struct _VCB {
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//
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// Type and size of this record (must be NW_NTC_VCB)
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//
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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ULONG Reference;
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LARGE_INTEGER LastUsedTime;
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|
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//
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// Connection the the global VCB list.
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//
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LIST_ENTRY GlobalVcbListEntry;
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ULONG_PTR SequenceNumber;
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//
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// The requested volume name in the following form:
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//
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// \{Server | Tree}\{Share | Volume.Object}\Path
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//
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UNICODE_STRING Name;
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//
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// If the above name refers to an nds volume, this
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// contains the resolved server and share name in
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// the following form:
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//
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// \Server\Share\Path
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//
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UNICODE_STRING ConnectName;
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//
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// The share name in Netware compatible form.
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//
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UNICODE_STRING ShareName;
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//
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// tommye - MS bug 71690 - store the VCB path
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//
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UNICODE_STRING Path;
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//
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// The prefix table entry for this volume.
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//
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UNICODE_PREFIX_TABLE_ENTRY PrefixEntry; // 7 DWORDs
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union {
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//
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// Disk VCB specific data.
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//
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struct {
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//
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// The volume number
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//
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CHAR VolumeNumber;
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|
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//
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// The name space number for long name support. -1 if long name
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// space is not supported.
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//
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CHAR LongNameSpace;
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//
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// The remote handle
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//
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CHAR Handle;
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|
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//
|
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// The Drive Letter we told the server we were mapping. Portable
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// NetWare needs this to be different for each permanent handle
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// we create.
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//
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CHAR DriveNumber;
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} Disk;
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|
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//
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// Print VCB specific data.
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//
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struct {
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ULONG QueueId;
|
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} Print;
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|
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} Specific;
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|
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//
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// The drive letter for this VCB. (0 if this is UNC).
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//
|
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WCHAR DriveLetter;
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|
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//
|
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// The SCB for this volume, and a link to the VCBs for this SCB
|
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//
|
|
|
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PSCB Scb;
|
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LIST_ENTRY VcbListEntry;
|
|
|
|
//
|
|
// List of FCBs and DCBs for this server. These fields are protected
|
|
// by the RCB resource.
|
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//
|
|
|
|
LIST_ENTRY FcbList;
|
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|
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//
|
|
// The count of open ICBs for this VCB.
|
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//
|
|
|
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ULONG OpenFileCount;
|
|
|
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//
|
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// VCB flags
|
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//
|
|
|
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ULONG Flags;
|
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|
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} VCB, *PVCB;
|
|
|
|
//
|
|
// Use default date / time when netware returns no info, or bogus info.
|
|
//
|
|
|
|
#define DEFAULT_DATE ( 1 + (1 << 5) + (0 << 9) ) /* Jan 1, 1980 */
|
|
#define DEFAULT_TIME ( 0 + (0 << 5) + (0 << 11) ) /* 12:00am */
|
|
|
|
//
|
|
// The Fcb/Dcb record corresponds to every open file and directory.
|
|
//
|
|
// The structure is really divided into two parts. FCB can be allocated
|
|
// from paged pool which the NONPAGED_FCB must be allocated from non-paged
|
|
// pool.
|
|
//
|
|
|
|
typedef struct _FCB {
|
|
|
|
//
|
|
// Type and size of this record (must be NW_NTC_FCB or NW_NTC_DCB)
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// The VCB for this file.
|
|
//
|
|
|
|
PVCB Vcb;
|
|
|
|
//
|
|
// The following field is the fully qualified file name for this FCB/DCB.
|
|
// The file name relative to the root of the volume.
|
|
//
|
|
|
|
UNICODE_STRING FullFileName;
|
|
UNICODE_STRING RelativeFileName;
|
|
|
|
//
|
|
// Netware file information.
|
|
//
|
|
|
|
USHORT LastModifiedDate;
|
|
USHORT LastModifiedTime;
|
|
USHORT CreationDate;
|
|
USHORT CreationTime;
|
|
USHORT LastAccessDate;
|
|
|
|
//
|
|
// The state of the FCB.
|
|
//
|
|
|
|
ULONG State;
|
|
ULONG Flags;
|
|
|
|
//
|
|
// A record of accesss currently granted.
|
|
//
|
|
|
|
SHARE_ACCESS ShareAccess;
|
|
|
|
//
|
|
// The prefix table entry for this file.
|
|
//
|
|
|
|
UNICODE_PREFIX_TABLE_ENTRY PrefixEntry;
|
|
|
|
//
|
|
// The SCB for this file, and a link to the FCB for this SCB
|
|
//
|
|
|
|
PSCB Scb;
|
|
LIST_ENTRY FcbListEntry;
|
|
|
|
//
|
|
// The list of ICB's for this FCB or DCB.
|
|
//
|
|
|
|
LIST_ENTRY IcbList;
|
|
ULONG IcbCount;
|
|
|
|
//
|
|
// A pointer to the specific non-paged data for the Fcb.
|
|
//
|
|
|
|
struct _NONPAGED_FCB *NonPagedFcb;
|
|
|
|
ULONG LastReadOffset;
|
|
ULONG LastReadSize;
|
|
|
|
} FCB, DCB;
|
|
typedef FCB *PFCB;
|
|
typedef DCB *PDCB;
|
|
|
|
typedef enum {
|
|
ReadAhead,
|
|
WriteBehind
|
|
} CACHE_TYPE;
|
|
|
|
typedef struct _NONPAGED_FCB {
|
|
|
|
//
|
|
// The following field is used for fast I/O
|
|
//
|
|
// The following comments refer to the use of the AllocationSize field
|
|
// of the FsRtl-defined header to the nonpaged Fcb.
|
|
//
|
|
// For a directory when we create a Dcb we will not immediately
|
|
// initialize the cache map, instead we will postpone it until our first
|
|
// call to NwReadDirectoryFile or NwPrepareWriteDirectoryFile.
|
|
// At that time we will search the Nw to find out the current allocation
|
|
// size (by calling NwLookupFileAllocationSize) and then initialize the
|
|
// cache map to this allocation size.
|
|
//
|
|
// For a file when we create an Fcb we will not immediately initialize
|
|
// the cache map, instead we will postpone it until we need it and
|
|
// then we determine the allocation size from either searching the
|
|
// fat to determine the real file allocation, or from the allocation
|
|
// that we've just allocated if we're creating a file.
|
|
//
|
|
// A value of -1 indicates that we do not know what the current allocation
|
|
// size really is, and need to examine the fat to find it. A value
|
|
// of than -1 is the real file/directory allocation size.
|
|
//
|
|
// Whenever we need to extend the allocation size we call
|
|
// NwAddFileAllocation which (if we're really extending the allocation)
|
|
// will modify the Nw, Rcb, and update this field. The caller
|
|
// of NwAddFileAllocation is then responsible for altering the Cache
|
|
// map size.
|
|
//
|
|
|
|
FSRTL_ADVANCED_FCB_HEADER Header;
|
|
|
|
PFCB Fcb;
|
|
|
|
//
|
|
// The following field contains a record of special pointers used by
|
|
// MM and Cache to manipluate section objects. Note that the values
|
|
// are set outside of the file system. However the file system on an
|
|
// open/create will set the file object's SectionObject field to point
|
|
// to this field
|
|
//
|
|
|
|
SECTION_OBJECT_POINTERS SegmentObject;
|
|
|
|
//
|
|
// The following field is used to maintain a list of locks owned for
|
|
// this file. It points to an ordered list of file locks.
|
|
//
|
|
|
|
LIST_ENTRY FileLockList;
|
|
|
|
//
|
|
// The following field is used to maintain a list of pending locks
|
|
// for this file. All locks in this list conflict with existing
|
|
// locks on the FileLockList.
|
|
//
|
|
|
|
LIST_ENTRY PendingLockList;
|
|
|
|
//
|
|
// A resource to synchronize access to the FCB and it's ICBs
|
|
//
|
|
|
|
ERESOURCE Resource;
|
|
|
|
//
|
|
// Netware file information.
|
|
//
|
|
|
|
UCHAR Attributes;
|
|
|
|
//
|
|
// File data cache information
|
|
//
|
|
|
|
UCHAR CacheType; // ReadAhead or WriteBehind
|
|
PUCHAR CacheBuffer; // The cache buffer
|
|
PMDL CacheMdl; // The full MDL for the cache buffer
|
|
ULONG CacheSize; // The size of the cache buffer
|
|
ULONG CacheFileOffset; // The file offset of this data
|
|
ULONG CacheDataSize; // The amount of file data in the cache
|
|
|
|
//
|
|
// This is the mutex that is inserted into the FCB_ADVANCED_HEADER
|
|
// FastMutex field
|
|
//
|
|
|
|
FAST_MUTEX AdvancedFcbHeaderMutex;
|
|
|
|
} NONPAGED_FCB, NONPAGED_DCB;
|
|
|
|
typedef NONPAGED_FCB *PNONPAGED_FCB;
|
|
typedef NONPAGED_DCB *PNONPAGED_DCB;
|
|
|
|
#define FCB_STATE_OPEN_PENDING 0x00000001
|
|
#define FCB_STATE_OPENED 0x00000002
|
|
#define FCB_STATE_CLOSE_PENDING 0x00000003
|
|
|
|
#define FCB_FLAGS_DELETE_ON_CLOSE 0x00000001
|
|
#define FCB_FLAGS_TRUNCATE_ON_CLOSE 0x00000002
|
|
#define FCB_FLAGS_PAGING_FILE 0x00000004
|
|
#define FCB_FLAGS_PREFIX_INSERTED 0x00000008
|
|
#define FCB_FLAGS_FORCE_MISS_IN_PROGRESS 0x00000010
|
|
#define FCB_FLAGS_ATTRIBUTES_ARE_VALID 0x00000020
|
|
#define FCB_FLAGS_LONG_NAME 0x00000040
|
|
#define FCB_FLAGS_LAZY_SET_SHAREABLE 0x00000100
|
|
|
|
//
|
|
// This structure is used for directory searches.
|
|
//
|
|
|
|
typedef struct _NW_DIRECTORY_INFO {
|
|
WCHAR FileNameBuffer[NW_MAX_FILENAME_LENGTH];
|
|
UNICODE_STRING FileName;
|
|
UCHAR Attributes;
|
|
USHORT CreationDate;
|
|
USHORT CreationTime;
|
|
USHORT LastAccessDate;
|
|
USHORT LastUpdateDate;
|
|
USHORT LastUpdateTime;
|
|
ULONG FileSize;
|
|
ULONG DosDirectoryEntry;
|
|
ULONG FileIndexLow;
|
|
ULONG FileIndexHigh;
|
|
NTSTATUS Status;
|
|
LIST_ENTRY ListEntry;
|
|
} NW_DIRECTORY_INFO, *PNW_DIRECTORY_INFO;
|
|
|
|
//
|
|
// The Icb record is allocated for every file object
|
|
//
|
|
|
|
typedef struct _ICB {
|
|
|
|
//
|
|
// Type and size of this record (must be NW_NTC_ICB or NW_NTC_ICB_SCB)
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// A link to the list of ICB's for our FCB, and our FCB.
|
|
//
|
|
|
|
LIST_ENTRY ListEntry;
|
|
|
|
union {
|
|
PFCB Fcb;
|
|
PSCB Scb;
|
|
} SuperType;
|
|
|
|
PNONPAGED_FCB NpFcb; // Valid only for node type NW_ITC_ICB
|
|
|
|
//
|
|
// The state of this ICB.
|
|
//
|
|
|
|
ULONG State;
|
|
|
|
//
|
|
// The remote handle;
|
|
//
|
|
|
|
UCHAR Handle[6]; // Keep WORD aligned.
|
|
|
|
BOOLEAN HasRemoteHandle; // TRUE if we have a remote handle for this ICB
|
|
|
|
//
|
|
// The file object for this ICB.
|
|
//
|
|
|
|
PFILE_OBJECT FileObject;
|
|
|
|
//
|
|
// The query template is used to filter directory query requests.
|
|
// It originally is set to null and on the first call the NtQueryDirectory
|
|
// it is set the the input filename or "*" if the name is supplied.
|
|
// All subsquent queries then use this template
|
|
//
|
|
|
|
OEM_STRING NwQueryTemplate;
|
|
UNICODE_STRING UQueryTemplate;
|
|
ULONG IndexOfLastIcbReturned;
|
|
UCHAR Pid;
|
|
|
|
BOOLEAN DotReturned;
|
|
BOOLEAN DotDotReturned;
|
|
BOOLEAN ReturnedSomething;
|
|
BOOLEAN ShortNameSearch;
|
|
|
|
//
|
|
// More search parameters.
|
|
//
|
|
|
|
USHORT SearchHandle;
|
|
UCHAR SearchVolume;
|
|
UCHAR SearchAttributes;
|
|
|
|
//
|
|
// Extra search parameters for long name support
|
|
//
|
|
|
|
ULONG SearchIndexLow;
|
|
ULONG SearchIndexHigh;
|
|
|
|
//
|
|
// SVR to avoid rescanning from end of dir all
|
|
// the way through the directory again.
|
|
//
|
|
|
|
ULONG LastSearchIndexLow;
|
|
|
|
// SVR end
|
|
|
|
//
|
|
// Print parametres;
|
|
//
|
|
|
|
BOOLEAN IsPrintJob;
|
|
USHORT JobId;
|
|
BOOLEAN ActuallyPrinted;
|
|
|
|
//
|
|
// This flag prevents cleanup from updating the access time.
|
|
//
|
|
|
|
BOOLEAN UserSetLastAccessTime;
|
|
|
|
//
|
|
// The current file position.
|
|
//
|
|
|
|
ULONG FilePosition;
|
|
|
|
//
|
|
// The size of the file if its ICB_SCB
|
|
//
|
|
|
|
ULONG FileSize;
|
|
|
|
//
|
|
// The Next dirent offset is used by directory enumeration. It is
|
|
// the offset (within the directory file) of the next dirent to examine.
|
|
//
|
|
|
|
//VBO OffsetToStartSearchFrom;
|
|
|
|
//
|
|
// If this ICB was created with OPEN_RENAME_TARGET then the following
|
|
// parameters are used
|
|
//
|
|
|
|
BOOLEAN IsAFile;
|
|
BOOLEAN Exists;
|
|
BOOLEAN FailedFindNotify;
|
|
|
|
//
|
|
// Is this a tree handle? We need to know for delete.
|
|
//
|
|
|
|
BOOLEAN IsTreeHandle;
|
|
BOOLEAN IsExCredentialHandle;
|
|
PVOID pContext;
|
|
|
|
//
|
|
// A linked list of cached directory entries.
|
|
//
|
|
LIST_ENTRY DirCache;
|
|
|
|
//
|
|
// A hint into the dir cache.
|
|
//
|
|
PLIST_ENTRY CacheHint;
|
|
|
|
//
|
|
// A pointer to the top of the buffer.
|
|
//
|
|
PVOID DirCacheBuffer;
|
|
|
|
} ICB, *PICB;
|
|
|
|
#define ICB_STATE_OPEN_PENDING 0x00000001
|
|
#define ICB_STATE_OPENED 0x00000002
|
|
#define ICB_STATE_CLEANED_UP 0x00000003
|
|
#define ICB_STATE_CLOSE_PENDING 0x00000004
|
|
|
|
#define INVALID_PID 0
|
|
|
|
//
|
|
// A structure used to maintain a list of file locks.
|
|
//
|
|
|
|
typedef struct _NW_FILE_LOCK {
|
|
|
|
//
|
|
// Type and size of this record (must be NW_NTC_FILE_LOCK )
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// A link to the list of locks for this FCB.
|
|
//
|
|
|
|
LIST_ENTRY ListEntry;
|
|
|
|
//
|
|
// The ICB this lock belongs to.
|
|
//
|
|
|
|
PICB Icb;
|
|
|
|
//
|
|
// The IRP Context for this lock request.
|
|
//
|
|
|
|
struct _IRP_CONTEXT *IrpContext;
|
|
|
|
//
|
|
// The originating process.
|
|
//
|
|
|
|
void *pOwnerProc;
|
|
|
|
//
|
|
// The lock offset, length, and key.
|
|
//
|
|
|
|
LONG StartFileOffset;
|
|
ULONG Length;
|
|
LONG EndFileOffset;
|
|
ULONG Key;
|
|
USHORT Flags;
|
|
|
|
} NW_FILE_LOCK, *PNW_FILE_LOCK;
|
|
|
|
//
|
|
// The Rcb record controls access to the redirector device
|
|
//
|
|
|
|
typedef struct _RCB {
|
|
|
|
//
|
|
// Type and size of this record (must be NW_NTC_RCB)
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// The run state of the redirector
|
|
//
|
|
|
|
ULONG State;
|
|
|
|
//
|
|
// The count of open handles to the RCB.
|
|
// Access is protected by the RCB Resource.
|
|
//
|
|
|
|
ULONG OpenCount;
|
|
|
|
//
|
|
// A resource to synchronize access to the RCB.
|
|
//
|
|
|
|
ERESOURCE Resource;
|
|
|
|
//
|
|
// A record of accesss currently granted to the RCB.
|
|
//
|
|
|
|
SHARE_ACCESS ShareAccess;
|
|
|
|
//
|
|
// A prefix table of all connected servers.
|
|
//
|
|
|
|
UNICODE_PREFIX_TABLE ServerNameTable;
|
|
|
|
//
|
|
// A prefix table of all open volumes.
|
|
//
|
|
|
|
UNICODE_PREFIX_TABLE VolumeNameTable;
|
|
|
|
//
|
|
// A prefix table of all open files
|
|
//
|
|
|
|
UNICODE_PREFIX_TABLE FileNameTable;
|
|
|
|
} RCB, *PRCB;
|
|
|
|
|
|
#define RCB_STATE_STOPPED 0x00000001
|
|
#define RCB_STATE_STARTING 0x00000002
|
|
#define RCB_STATE_NEED_BIND 0x00000003
|
|
#define RCB_STATE_RUNNING 0x00000004
|
|
#define RCB_STATE_SHUTDOWN 0x00000005
|
|
|
|
//
|
|
// IRP_CONTEXT Flags bits.
|
|
//
|
|
|
|
#define IRP_FLAG_IN_FSD 0x00000001 // This IRP is being process in the FSD
|
|
#define IRP_FLAG_ON_SCB_QUEUE 0x00000002 // This IRP is queued to an SCB
|
|
#define IRP_FLAG_SEQUENCE_NO_REQUIRED 0x00000004 // This packet requires a sequence #
|
|
#define IRP_FLAG_SIGNAL_EVENT 0x00000010
|
|
#define IRP_FLAG_RETRY_SEND 0x00000020 // We are resending a timed out request
|
|
#define IRP_FLAG_RECONNECTABLE 0x00000040 // We are allowed to try a reconnect if this request fails due to a bad connection
|
|
#define IRP_FLAG_RECONNECT_ATTEMPT 0x00000080 // This IRP is being used to attempt a reconnect
|
|
#define IRP_FLAG_BURST_REQUEST 0x00000100 // This is a burst request packet
|
|
#define IRP_FLAG_BURST_PACKET 0x00000200 // This is any burst packet
|
|
#define IRP_FLAG_NOT_OK_TO_RECEIVE 0x00000400 // Don't set ok to receive when sending this packet
|
|
#define IRP_FLAG_REROUTE_ATTEMPTED 0x00000800 // A re-route has been attempted for this packet
|
|
#define IRP_FLAG_BURST_WRITE 0x00001000 // We are processsing a burst write request
|
|
#define IRP_FLAG_SEND_ALWAYS 0x00002000 // Okay to send this packet, even if RCB State is shutdown
|
|
#define IRP_FLAG_FREE_RECEIVE_MDL 0x00004000 // Free the receive irp's MDL when the irp completes
|
|
#define IRP_FLAG_NOT_SYSTEM_PACKET 0x00008000 // Used in burst writes to alternate system packet and normal
|
|
#define IRP_FLAG_NOCONNECT 0x00010000 // Used to inspect server list
|
|
#define IRP_FLAG_HAS_CREDENTIAL_LOCK 0X00020000 // Used to prevent deadlocking
|
|
#define IRP_FLAG_REROUTE_IN_PROGRESS 0x00040000 // A re-route is currently in progress for this packet.
|
|
|
|
typedef struct _IRP_CONTEXT {
|
|
|
|
//
|
|
// Type and size of this record (must be NW_NTC_IRP_CONTEXT).
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// Information about this IRP
|
|
//
|
|
|
|
ULONG Flags;
|
|
|
|
//
|
|
// This structure is used for posting to the Ex worker threads.
|
|
//
|
|
|
|
WORK_QUEUE_ITEM WorkQueueItem; // 4*sizeof(ULONG)
|
|
|
|
// Workspace for exchange()
|
|
PACKET_TYPE PacketType;
|
|
|
|
//
|
|
// Server Control Block to which this request applies.
|
|
//
|
|
|
|
PNONPAGED_SCB pNpScb;
|
|
PSCB pScb;
|
|
|
|
//
|
|
// The socket structure to use for this request. If NULL, use
|
|
// pNpScb->Server socket.
|
|
//
|
|
|
|
PNW_TDI_STRUCT pTdiStruct;
|
|
|
|
//
|
|
// List of requests to a particular server. Listed on Scb->Requests.
|
|
//
|
|
|
|
LIST_ENTRY NextRequest;
|
|
|
|
//
|
|
// Used for processing synchronous IRPs.
|
|
//
|
|
|
|
KEVENT Event; // 4 words
|
|
|
|
//
|
|
// A pointer to the originating Irp and its original contents when
|
|
// the I/O system submitted it to the rdr.
|
|
//
|
|
|
|
PIRP pOriginalIrp;
|
|
PVOID pOriginalSystemBuffer;
|
|
PVOID pOriginalUserBuffer;
|
|
PMDL pOriginalMdlAddress;
|
|
|
|
//
|
|
// Information used if we need to post an IRP to process the receive
|
|
//
|
|
|
|
PIRP ReceiveIrp;
|
|
|
|
//
|
|
// Pointer to the Mdl used to transmit/receive the Ncp header.
|
|
//
|
|
|
|
PMDL TxMdl;
|
|
PMDL RxMdl;
|
|
|
|
//
|
|
// Routine to run when this IRP context reaches the front of the
|
|
// SCB queue.
|
|
//
|
|
|
|
PRUN_ROUTINE RunRoutine;
|
|
|
|
//
|
|
// Routine to handle the response Ncp
|
|
//
|
|
|
|
PEX pEx;
|
|
|
|
//
|
|
// Routine to handle packet receipt
|
|
//
|
|
|
|
PRECEIVE_ROUTINE ReceiveDataRoutine;
|
|
|
|
//
|
|
// Routine to handle FSP post processing.
|
|
//
|
|
|
|
PPOST_PROCESSOR PostProcessRoutine;
|
|
|
|
//
|
|
// Routine to run when this IRP context times out while on the SCB
|
|
// queue.
|
|
//
|
|
|
|
PRUN_ROUTINE TimeoutRoutine;
|
|
|
|
//
|
|
// Routine to run when this IRP has completed a send.
|
|
//
|
|
|
|
PIO_COMPLETION_ROUTINE CompletionSendRoutine;
|
|
|
|
//
|
|
// Work Item used for scheduling reconnect.
|
|
//
|
|
|
|
PWORK_QUEUE_ITEM pWorkItem;
|
|
|
|
//
|
|
// Buffer used to hold the Ncb to be transmitted/received.
|
|
//
|
|
|
|
ULONG Signature1;
|
|
|
|
UCHAR req[MAX_SEND_DATA];
|
|
ULONG Signature2;
|
|
|
|
ULONG ResponseLength;
|
|
UCHAR rsp[MAX_RECV_DATA];
|
|
ULONG Signature3;
|
|
|
|
//
|
|
// Address to be used in the Send Datagram.
|
|
//
|
|
|
|
TA_IPX_ADDRESS Destination;
|
|
TDI_CONNECTION_INFORMATION ConnectionInformation; // Remote server
|
|
|
|
//
|
|
// The ICB being processed.
|
|
//
|
|
|
|
PICB Icb;
|
|
|
|
//
|
|
// Per IRP processor information. A handy place to store information
|
|
// for the IRP in progress.
|
|
//
|
|
|
|
union {
|
|
struct {
|
|
UNICODE_STRING FullPathName;
|
|
UNICODE_STRING VolumeName;
|
|
UNICODE_STRING PathName;
|
|
UNICODE_STRING FileName;
|
|
BOOLEAN NdsCreate;
|
|
BOOLEAN NeedNdsData;
|
|
DWORD dwNdsOid;
|
|
DWORD dwNdsObjectType;
|
|
DWORD dwNdsShareLength;
|
|
UNICODE_STRING UidConnectName;
|
|
WCHAR DriveLetter;
|
|
ULONG ShareType;
|
|
BOOLEAN fExCredentialCreate;
|
|
PVOID pExCredentials;
|
|
PUNICODE_STRING puCredentialName;
|
|
PCHAR FindNearestResponse[4];
|
|
ULONG FindNearestResponseCount;
|
|
LARGE_INTEGER UserUid;
|
|
} Create;
|
|
|
|
struct {
|
|
PVOID Buffer;
|
|
ULONG Length;
|
|
PVCB Vcb;
|
|
CHAR VolumeNumber;
|
|
} QueryVolumeInformation;
|
|
|
|
struct {
|
|
PVOID Buffer;
|
|
ULONG Length;
|
|
PMDL InputMdl;
|
|
UCHAR Function; // Used for special case post-processing
|
|
UCHAR Subfunction; // during UserNcpCallback
|
|
|
|
} FileSystemControl;
|
|
|
|
struct {
|
|
PVOID Buffer;
|
|
ULONG WriteOffset;
|
|
ULONG RemainingLength;
|
|
PMDL PartialMdl;
|
|
PMDL FullMdl;
|
|
ULONG FileOffset;
|
|
ULONG LastWriteLength;
|
|
|
|
ULONG BurstOffset;
|
|
ULONG BurstLength;
|
|
NTSTATUS Status;
|
|
|
|
ULONG TotalWriteLength;
|
|
ULONG TotalWriteOffset;
|
|
|
|
ULONG PacketCount;
|
|
} Write;
|
|
|
|
struct {
|
|
ULONG CacheReadSize; // Amount of data read from the cache
|
|
ULONG ReadAheadSize; // Extra data to read
|
|
|
|
PVOID Buffer; // Buffer for the current read
|
|
PMDL FullMdl;
|
|
PMDL PartialMdl;
|
|
ULONG ReadOffset;
|
|
ULONG RemainingLength;
|
|
ULONG FileOffset;
|
|
ULONG LastReadLength;
|
|
|
|
LIST_ENTRY PacketList; // List of packets received
|
|
ULONG BurstRequestOffset; // Offset in burst buffer for last request
|
|
ULONG BurstSize; // Number of bytes in current burst
|
|
PVOID BurstBuffer; // Buffer for the current burst
|
|
BOOLEAN DataReceived;
|
|
NTSTATUS Status;
|
|
UCHAR Flags;
|
|
|
|
ULONG TotalReadLength;
|
|
ULONG TotalReadOffset;
|
|
} Read;
|
|
|
|
struct {
|
|
PNW_FILE_LOCK FileLock;
|
|
ULONG Key;
|
|
BOOLEAN Wait;
|
|
BOOLEAN ByKey;
|
|
} Lock;
|
|
|
|
} Specific;
|
|
|
|
struct {
|
|
UCHAR Error;
|
|
} ResponseParameters;
|
|
|
|
#ifdef NWDBG
|
|
ULONG DebugValue;
|
|
ULONG SequenceNumber;
|
|
#endif
|
|
} IRP_CONTEXT, *PIRP_CONTEXT;
|
|
|
|
typedef struct _BURST_READ_ENTRY {
|
|
LIST_ENTRY ListEntry;
|
|
ULONG DataOffset;
|
|
USHORT ByteCount;
|
|
} BURST_READ_ENTRY, *PBURST_READ_ENTRY;
|
|
|
|
typedef struct _LOGON {
|
|
|
|
//
|
|
// The type and size of this record.
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// List of Login records.
|
|
//
|
|
|
|
LIST_ENTRY Next;
|
|
|
|
UNICODE_STRING UserName;
|
|
UNICODE_STRING PassWord;
|
|
UNICODE_STRING ServerName;
|
|
LARGE_INTEGER UserUid;
|
|
|
|
//
|
|
// The NDS credential list, default tree,
|
|
// and default context for this user.
|
|
//
|
|
|
|
ERESOURCE CredentialListResource;
|
|
LIST_ENTRY NdsCredentialList;
|
|
|
|
ULONG NwPrintOptions;
|
|
PVCB DriveMapTable[DRIVE_MAP_TABLE_SIZE];
|
|
} LOGON, *PLOGON;
|
|
|
|
typedef struct _MINI_IRP_CONTEXT {
|
|
|
|
//
|
|
// Header information
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// A link to queue IRP contexts
|
|
//
|
|
|
|
LIST_ENTRY Next;
|
|
|
|
PIRP_CONTEXT IrpContext;
|
|
PIRP Irp;
|
|
|
|
PVOID Buffer; // The buffer for this request.
|
|
PMDL Mdl1; // The MDL for the buffer
|
|
PMDL Mdl2; // The MDL for the data
|
|
} MINI_IRP_CONTEXT, *PMINI_IRP_CONTEXT;
|
|
|
|
//
|
|
// Definitions for unlockable code sections.
|
|
//
|
|
|
|
typedef struct _SECTION_DESCRIPTOR {
|
|
PVOID Base;
|
|
PVOID Handle;
|
|
ULONG ReferenceCount;
|
|
} SECTION_DESCRIPTOR, *PSECTION_DESCRIPTOR;
|
|
|
|
//
|
|
// The work context is a queueable work item. It is used for specifying
|
|
// the IRP_CONTEXT to our thread which handles reroute attempts.
|
|
//
|
|
|
|
typedef struct _WORK_CONTEXT {
|
|
|
|
//
|
|
// Type and size of this record (must be NW_NTC_WORK_CONTEXT).
|
|
//
|
|
|
|
NODE_TYPE_CODE NodeTypeCode;
|
|
NODE_BYTE_SIZE NodeByteSize;
|
|
|
|
//
|
|
// The work to be done
|
|
//
|
|
|
|
NODE_WORK_CODE NodeWorkCode;
|
|
|
|
PIRP_CONTEXT pIrpC;
|
|
|
|
//
|
|
// A link to queue work contexts to the Kernel queue object
|
|
//
|
|
|
|
LIST_ENTRY Next;
|
|
|
|
} WORK_CONTEXT, *PWORK_CONTEXT;
|
|
|
|
//
|
|
// NDS resolved object entry.
|
|
//
|
|
// NOTE: This must be eight byte aligned.
|
|
//
|
|
|
|
typedef struct _NDS_OBJECT_CACHE_ENTRY {
|
|
LIST_ENTRY Links;
|
|
LARGE_INTEGER Timeout;
|
|
DWORD DsOid;
|
|
DWORD ObjectType;
|
|
DWORD ResolverFlags;
|
|
BOOLEAN AllowServerJump;
|
|
BOOLEAN Padding[3];
|
|
PSCB Scb;
|
|
ULONG Reserved;
|
|
UNICODE_STRING ObjectName;
|
|
} NDS_OBJECT_CACHE_ENTRY, *PNDS_OBJECT_CACHE_ENTRY;
|
|
|
|
#endif // _NWSTRUC_
|
|
|