Source code of Windows XP (NT5)
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
dfssrv.h
Abstract:
Header file for dfssrv's lpc server. Defines structures common to the server and dfs.sys
Author:
Jim harper (jharper) 11-Dec-1997 (based on xactsrv2.h)
Revision History:
--*/
#ifndef _DFSSRV_
#define _DFSSRV_
#define MAX_FTNAME_LEN 96
#define MAX_SPCNAME_LEN 94
//
// Structures for messages that are passed across the LPC port between
// the server dfssvc and dfs.sys
//
// *** The PORT_MESSAGE structure *must* be the first element of these
// structures!
typedef struct _DFSSRV_REQUEST_MESSAGE {
PORT_MESSAGE PortMessage; ULONG MessageType;
union {
struct { DFS_IPADDRESS IpAddress; } GetSiteName;
struct { WCHAR FtName[MAX_FTNAME_LEN]; } GetFtDfs;
struct { WCHAR SpcName[MAX_SPCNAME_LEN]; ULONG Flags; } GetSpcName;
} Message;
} DFSSRV_REQUEST_MESSAGE, *PDFSSRV_REQUEST_MESSAGE;
typedef struct _DFSSRV_REPLY_MESSAGE {
PORT_MESSAGE PortMessage;
union {
struct { NTSTATUS Status; } Result;
} Message;
} DFSSRV_REPLY_MESSAGE, *PDFSSRV_REPLY_MESSAGE;
//
// Message types that can be sent to DFSSRV.
//
#define DFSSRV_MESSAGE_GET_SITE_NAME 0
#define DFSSRV_MESSAGE_GET_DOMAIN_REFERRAL 1
#define DFSSRV_MESSAGE_GET_SPC_ENTRY 2
#define DFSSRV_MESSAGE_WAKEUP 3
//
// The name of the LPC port the dfs server creates and uses for communication
// with the dfs driver. This name is included in the connect FSCTL sent to
// the driver so that the driver knows what port to connect to.
//
#define DFS_PORT_NAME_W L"\\DfsSrvLpcPort"
#define DFS_PORT_NAME_A "\\DfsSrvLpcPort"
//
// The maximum size of a message that can be sent over the port.
//
#define DFS_PORT_MAX_MESSAGE_LENGTH \
( sizeof(DFSSRV_REQUEST_MESSAGE) > sizeof(DFSSRV_REPLY_MESSAGE) ? \ sizeof(DFSSRV_REQUEST_MESSAGE) : sizeof(DFSSRV_REPLY_MESSAGE) )
#endif // ndef _DFSSRV_
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