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