157 lines
4.7 KiB
C
157 lines
4.7 KiB
C
/*=========================================================================*\
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Module: Dfsumr.h
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Copyright Microsoft Corporation 2001, All Rights Reserved.
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Author: Rohan Phillips - Rohanp
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Description: User mode reflector header file
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\*=========================================================================*/
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#ifndef __DFSUMRSTRCT_H__
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#define __DFSUMRSTRCT_H__
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// This should be bumped whenever there are changes made to these structures
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//
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#define UMR_VERSION 1
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#define MAX_USERMODE_REFLECTION_BUFFER 16384
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#define UMRX_USERMODE_WORKITEM_CORRELATOR_SIZE 4
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#define UMR_WORKITEM_HEADER_FLAG_RETURN_IMMEDIATE 0x00000001
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#define UMR_WORKITEM_HEADER_ASYNC_COMPLETE 0x00000002
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#define DFSUMRSIGNATURE 'DFSU'
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//
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// enum definitions.
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//
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typedef enum _USERMODE_WORKITEMS_TYPES {
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opUmrIsDfsLink = 1, // 0 is an invalid type
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opUmrGetDfsReplicas,
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opUmrMax
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} USERMODE_WORKITEMS_TYPES;
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//
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// DFSFILTER_ATTACH/DETACH support
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// VOlume and share file names are passed in the PathNameBuffer.
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// Both strings are not null terminated, with the source name starting at
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// the beginning of FileNameBuffer, and the destination name immediately
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// following.
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//
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typedef struct _DFS_ATTACH_PATH_BUFFER_ {
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ULONG VolumeNameLength;
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ULONG ShareNameLength;
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ULONG Flags;
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WCHAR PathNameBuffer[1];
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} DFS_ATTACH_PATH_BUFFER, *PDFS_ATTACH_PATH_BUFFER;
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#define UMRX_STATIC_REQUEST_LENGTH(__requesttypefield,__lastfieldofrequest) \
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(FIELD_OFFSET(UMRX_USERMODE_WORKITEM,__requesttypefield.__lastfieldofrequest) \
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+ sizeof(((PUMRX_USERMODE_WORKITEM)NULL)->__requesttypefield.__lastfieldofrequest))
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#define UMR_ALIGN(x) ( ((x) % sizeof(double) == 0) ? \
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( (x) ) : \
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( (x) + sizeof(double) - (x) % sizeof(double) ) )
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typedef struct _VarData
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{
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ULONG cbData;
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ULONG cbOffset; // offset from location of this structure
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} VAR_DATA, *PVAR_DATA;
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// opUmrIsDfsLink
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//
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typedef struct _UmrIsDfsLinkReq_
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{
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ULONG Length;
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BYTE Buffer[1]; // start of vardata
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} UMR_ISDFSLINK_REQ, *PUMR_ISDFSLINK_REQ;
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typedef struct _UmrIsDfsLinkResp_
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{
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BOOL IsADfsLink;
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} UMR_ISDFSLINK_RESP, *PUMR_ISDFSLINK_RESP;
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// opUmrGetDfsreplicas
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//
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typedef struct _UmrGetDfsReplicasReq_
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{
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REPLICA_DATA_INFO RepInfo;
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} UMR_GETDFSREPLICAS_REQ, *PUMR_GETDFSREPLICAS_REQ;
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typedef struct _UmrGetDfsReplicasResp
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{
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ULONG Length;
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BYTE Buffer[1]; // start of vardata
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} UMR_GETDFSREPLICAS_RESP, *PUMR_GETDFSREPLICAS_RESP;
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// union for all request structs
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//
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typedef union _UMRX_USERMODE_WORK_REQUEST
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{
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UMR_ISDFSLINK_REQ IsDfsLinkRequest;
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UMR_GETDFSREPLICAS_REQ GetDfsReplicasRequest;
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} UMRX_USERMODE_WORK_REQUEST, *PUMRX_USERMODE_WORK_REQUEST;
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// union for all response structs
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//
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typedef union _UMRX_USERMODE_WORK_RESPONSE
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{
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UMR_ISDFSLINK_RESP IsDfsLinkResponse;
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UMR_GETDFSREPLICAS_RESP GetDfsReplicasResponse;
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} UMRX_USERMODE_WORK_RESPONSE, *PUMRX_USERMODE_WORK_RESPONSE;
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// header that's common to all requests and responses
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//
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typedef struct _UMRX_USERMODE_WORKITEM_HEADER {
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union {
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ULONG_PTR CorrelatorAsUInt[UMRX_USERMODE_WORKITEM_CORRELATOR_SIZE];
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double forcealignment;
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};
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IO_STATUS_BLOCK IoStatus;
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USERMODE_WORKITEMS_TYPES WorkItemType;
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DWORD dwDebugSig;
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ULONG ulHeaderVersion;
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ULONG ulFlags;
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} UMRX_USERMODE_WORKITEM_HEADER, *PUMRX_USERMODE_WORKITEM_HEADER;
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// The top level structure.
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//
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typedef struct _UMRX_USERMODE_WORKITEM {
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UMRX_USERMODE_WORKITEM_HEADER Header;
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union {
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UMRX_USERMODE_WORK_REQUEST WorkRequest;
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UMRX_USERMODE_WORK_RESPONSE WorkResponse;
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};
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CHAR Pad[1];
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} UMRX_USERMODE_WORKITEM, *PUMRX_USERMODE_WORKITEM;
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#define DFSFILTER_PROCESS_TERMINATION_FILEPATH L"\\ProcessTermination\\FilePath"
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#define DFSFILTER_W32_DEVICE_NAME L"\\\\.\\DfsFilter"
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#define DFSFILTER_DEVICE_TYPE 0x1235
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#define DFSFILTER_START_UMRX (ULONG) CTL_CODE( DFSFILTER_DEVICE_TYPE, 100, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#define DFSFILTER_STOP_UMRX (ULONG) CTL_CODE( DFSFILTER_DEVICE_TYPE, 101, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#define DFSFILTER_PROCESS_UMRXPACKET (ULONG) CTL_CODE( DFSFILTER_DEVICE_TYPE, 102, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#define DFSFILTER_GETREPLICA_INFO (ULONG) CTL_CODE( DFSFILTER_DEVICE_TYPE, 103, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#define DFSFILTER_ATTACH_FILESYSTEM (ULONG) CTL_CODE( DFSFILTER_DEVICE_TYPE, 104, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#define DFSFILTER_DETACH_FILESYSTEM (ULONG) CTL_CODE( DFSFILTER_DEVICE_TYPE, 105, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#define DFSFILTER_PURGE_SHARELIST (ULONG) CTL_CODE( DFSFILTER_DEVICE_TYPE, 106, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#endif
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