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windows-nt/Source/XPSP1/NT/base/fs/rdr2/rdbss/smb.mrx/mrxglbl.h

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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
mrxglbl.h
Abstract:
The global include file for SMB mini redirector
Author:
Balan Sethu Raman (SethuR) - Created 2-March-95
Revision History:
--*/
#ifndef _MRXGLBL_H_
#define _MRXGLBL_H_
#define SmbCeLog(x) \
RxLog(x)
//
// the SMB protocol tree connections are identified by a Tree Id., each
// file opened on a tree connection by a File Id. and each outstanding request
// on that connection by a Multiplex Id.
//
typedef USHORT SMB_TREE_ID;
typedef USHORT SMB_FILE_ID;
typedef USHORT SMB_MPX_ID;
//
// Each user w.r.t a particular connection is identified by a User Id. and each
// process on the client side is identified by a Process id.
//
typedef USHORT SMB_USER_ID;
typedef USHORT SMB_PROCESS_ID;
//
// All exchanges are identified with a unique id. assigned on creation of the exchange
// which is used to track it.
//
typedef ULONG SMB_EXCHANGE_ID;
//
// Of the fields in this context the domain name is initialized during
// MRxSmbSetConfiguration. The others are initialized in init.c as
// parameters read from the registry
//
typedef struct _SMBCE_CONTEXT_ {
UNICODE_STRING DomainName;
UNICODE_STRING ComputerName;
UNICODE_STRING OperatingSystem;
UNICODE_STRING LanmanType;
UNICODE_STRING Transports;
UNICODE_STRING ServersWithExtendedSessTimeout;
} SMBCE_CONTEXT,*PSMBCE_CONTEXT;
extern SMBCE_CONTEXT SmbCeContext;
extern RXCE_ADDRESS_EVENT_HANDLER MRxSmbVctAddressEventHandler;
extern RXCE_CONNECTION_EVENT_HANDLER MRxSmbVctConnectionEventHandler;
extern PBYTE s_pNegotiateSmb;
extern PBYTE s_pNegotiateSmbRemoteBoot;
extern ULONG s_NegotiateSmbLength;
extern PMDL s_pNegotiateSmbBuffer;
extern PBYTE s_pEchoSmb;
extern ULONG s_EchoSmbLength;
extern PMDL s_pEchoSmbMdl;
extern FAST_MUTEX MRxSmbSerializationMutex;
extern BOOLEAN MRxSmbEnableCompression;
extern BOOLEAN MRxSmbObeyBindingOrder;
// Miscellanous definitions
extern PBYTE MRxSmb_pPaddingData;
#define SMBCE_PADDING_DATA_SIZE (32)
typedef struct _MRXSMB_GLOBAL_PADDING {
MDL Mdl;
ULONG Pages[2]; //this can't possibly span more than two pages
UCHAR Pad[SMBCE_PADDING_DATA_SIZE];
} MRXSMB_GLOBAL_PADDING, *PMRXSMB_GLOBAL_PADDING;
extern MRXSMB_GLOBAL_PADDING MrxSmbCeGlobalPadding;
extern PEPROCESS RDBSSProcessPtr;
extern PRDBSS_DEVICE_OBJECT MRxSmbDeviceObject;
#define RxNetNameTable (*(MRxSmbDeviceObject->pRxNetNameTable))
extern LONG MRxSmbNumberOfSrvOpens;
extern PVOID MRxSmbPoRegistrationState;
NTKERNELAPI
PVOID
PoRegisterSystemState (
IN PVOID StateHandle,
IN EXECUTION_STATE Flags
);
NTKERNELAPI
VOID
PoUnregisterSystemState (
IN PVOID StateHandle
);
//
// MRxSmbSecurityInitialized indicates whether MRxSmbInitializeSecurity
// has been called.
//
extern BOOLEAN MRxSmbSecurityInitialized;
//
// MRxSmbBootedRemotely indicates that the machine did a remote boot.
//
extern BOOLEAN MRxSmbBootedRemotely;
//
// MRxSmbUseKernelSecurity indicates that the machine should use kernel mode security APIs
// during this remote boot boot.
//
extern BOOLEAN MRxSmbUseKernelModeSecurity;
#if defined(REMOTE_BOOT)
extern BOOLEAN MRxSmbOplocksDisabledOnRemoteBootClients;
#endif // defined(REMOTE_BOOT)
//
// These variables will, in the near future, be passed from the kernel to the
// redirector to tell it which share is the remote boot share and how to log on
// to the server.
//
extern PKEY_VALUE_PARTIAL_INFORMATION MRxSmbRemoteBootRootValue;
extern PKEY_VALUE_PARTIAL_INFORMATION MRxSmbRemoteBootMachineDirectoryValue;
extern UNICODE_STRING MRxSmbRemoteBootShare;
extern UNICODE_STRING MRxSmbRemoteBootPath;
extern UNICODE_STRING MRxSmbRemoteSetupPath;
extern UNICODE_STRING MRxSmbRemoteBootMachineName;
extern UNICODE_STRING MRxSmbRemoteBootMachinePassword;
extern UNICODE_STRING MRxSmbRemoteBootMachineDomain;
extern UCHAR MRxSmbRemoteBootMachineSid[RI_SECRET_SID_SIZE];
extern RI_SECRET MRxSmbRemoteBootSecret;
#if defined(REMOTE_BOOT)
extern BOOLEAN MRxSmbRemoteBootSecretValid;
extern BOOLEAN MRxSmbRemoteBootDoMachineLogon;
extern BOOLEAN MRxSmbRemoteBootUsePassword2;
#endif // defined(REMOTE_BOOT)
#if defined(REMOTE_BOOT)
typedef struct _RBR_PREFIX {
UNICODE_PREFIX_TABLE_ENTRY TableEntry;
UNICODE_STRING Prefix;
BOOLEAN Redirect;
} RBR_PREFIX, *PRBR_PREFIX;
extern UNICODE_STRING MRxSmbRemoteBootRedirectionPrefix;
extern UNICODE_PREFIX_TABLE MRxSmbRemoteBootRedirectionTable;
#endif // defined(REMOTE_BOOT)
#define MAXIMUM_PARTIAL_BUFFER_SIZE 65535 // Maximum size of a partial MDL
#define MAXIMUM_SMB_BUFFER_SIZE 4356
// The following scavenge interval is in seconds
#define MRXSMB_V_NETROOT_CONTEXT_SCAVENGER_INTERVAL (40)
// the following default interval for timed exchanges is in seconds
#define MRXSMB_DEFAULT_TIMED_EXCHANGE_EXPIRY_TIME (60)
//
// The following are some defines for controling name cache behavior.
// -- The max number of entries in a name cache before it will stop creating new
// entries.
//
#define NAME_CACHE_NETROOT_MAX_ENTRIES 200
//
// -- The expiration life times for file not found and get file attributes
// in seconds.
//
#define NAME_CACHE_OBJ_NAME_NOT_FOUND_LIFETIME 5
#define NAME_CACHE_OBJ_GET_FILE_ATTRIB_LIFETIME 7
//
// -- Incrementing NameCacheGFAInvalidate invalidates the contents
// of the GFA name cache.
//
// Code.Bug: These increments need to be added on paths where dirs can be
// deleted/renamed.
//
// Code.Improvment: Currently this is rdr wide, an improvement
// would be to make it per SRV_CALL. The same is true for file not found cache
// which currently uses MRxSmbStatistics.SmbsReceived.LowPart for a cache entry
// validation context. I.E. any received SMB invalidates the file not found cache.
//
extern ULONG NameCacheGFAInvalidate;
//CODE.IMPROVEMENT this should be moved up AND used consistly throughout. since this is in terms
// of IoBuildPartial it would be straightforward to find them all by
// undeffing RxBuildPartialMdl
#define RxBuildPartialMdlUsingOffset(SourceMdl,DestinationMdl,Offset,Length) \
IoBuildPartialMdl(SourceMdl,\
DestinationMdl,\
(PBYTE)MmGetMdlVirtualAddress(SourceMdl)+Offset,\
Length)
#define RxBuildPaddingPartialMdl(DestinationMdl,Length) \
RxBuildPartialMdlUsingOffset(&MrxSmbCeGlobalPadding.Mdl,DestinationMdl,0,Length)
//we turn away async operations that are not wait by posting. if we can wait
//then we turn off the sync flag so that things will just act synchronous
#define TURN_BACK_ASYNCHRONOUS_OPERATIONS() { \
if (FlagOn(RxContext->Flags,RX_CONTEXT_FLAG_ASYNC_OPERATION)) { \
if (FlagOn(RxContext->Flags,RX_CONTEXT_FLAG_WAIT)) { \
ClearFlag(RxContext->Flags,RX_CONTEXT_FLAG_ASYNC_OPERATION); \
} else { \
RxContext->PostRequest = TRUE; \
return(RX_MAP_STATUS(PENDING)); \
} \
} \
}
typedef struct _MRXSMB_CONFIGURATION_DATA_ {
ULONG NamedPipeDataCollectionTimeInterval;
ULONG NamedPipeDataCollectionSize;
ULONG MaximumNumberOfCommands;
ULONG SessionTimeoutInterval;
ULONG LockQuota;
ULONG LockIncrement;
ULONG MaximumLock;
ULONG PipeIncrement;
ULONG PipeMaximum;
ULONG CachedFileTimeout;
ULONG DormantFileTimeout;
ULONG DormantFileLimit;
ULONG NumberOfMailslotBuffers;
ULONG MaximumNumberOfThreads;
ULONG ConnectionTimeoutInterval;
ULONG CharBufferSize;
BOOLEAN UseOplocks;
BOOLEAN UseUnlocksBehind;
BOOLEAN UseCloseBehind;
BOOLEAN BufferNamedPipes;
BOOLEAN UseLockReadUnlock;
BOOLEAN UtilizeNtCaching;
BOOLEAN UseRawRead;
BOOLEAN UseRawWrite;
BOOLEAN UseEncryption;
} MRXSMB_CONFIGURATION, *PMRXSMB_CONFIGURATION;
extern MRXSMB_CONFIGURATION MRxSmbConfiguration;
// this is to test long net roots using the smbminirdr (which doesn't actually have 'em)
// don't turn this on..........
//#define ZZZ_MODE 1
//
// Definitions for starting stopping theSMB mini redirector
//
typedef enum _MRXSMB_STATE_ {
MRXSMB_STARTABLE,
MRXSMB_START_IN_PROGRESS,
MRXSMB_STARTED,
MRXSMB_STOPPED
} MRXSMB_STATE,*PMRXSMB_STATE;
extern MRXSMB_STATE MRxSmbState;
extern
NTSTATUS
MRxSmbInitializeSecurity (VOID);
extern
NTSTATUS
MRxSmbUninitializeSecurity (VOID);
extern
NTSTATUS
MRxSmbInitializeTransport(VOID);
extern
NTSTATUS
MRxSmbUninitializeTransport(VOID);
extern
NTSTATUS
MRxSmbRegisterForPnpNotifications();
extern
NTSTATUS
MRxSmbDeregisterForPnpNotifications();
extern NTSTATUS
MRxSmbLogonSessionTerminationHandler(
PLUID LogonId);
extern NTSTATUS
SmbCeEstablishConnection(
IN PMRX_V_NET_ROOT pVNetRoot,
IN PMRX_CREATENETROOT_CONTEXT pCreateNetRootContext,
IN BOOLEAN fInitializeNetRoot);
extern NTSTATUS
SmbCeReconnect(
IN PMRX_V_NET_ROOT pVNetRoot);
NTSTATUS
SmbCeGetComputerName(
VOID
);
NTSTATUS
SmbCeGetOperatingSystemInformation(
VOID
);
#endif _MRXGLBL_H_

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