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532 lines
15 KiB
532 lines
15 KiB
//============================================================================
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// Copyright (c) 1996, Microsoft Corporation
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//
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// File: rtcfg.h
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//
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// History:
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// 05/04/96 Abolade-Gbadegesin Created.
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//
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// Contains private declarations for the router-configuration access APIs.
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//
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// The handles supplied by the MprConfig APIs are actually pointers
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// to context-blocks defined below. MprConfigServerConnect supplies
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// a handle which is a pointer to a SERVERCB. The other handles are pointers
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// to contexts which are in lists hanging off the master SERVERCB.
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// For instance, when MprConfigInterfaceGetHandle is called, an INTERFACECB
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// is allocated and linked into the SERVERCB's list of interfaces,
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// and the registry key for the interface is saved in the INTERFACECB.
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// When MprConfigServerDisconnect is called, all the open registry keys
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// are closed and all the contexts are freed.
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//
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// The following shows the structure of the relevant sections of the registry:
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//
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// HKLM\System\CurrentControlSet\Services
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// RemoteAccess
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// Parameters
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// RouterType = REG_DWORD 0x0
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// RouterManagers
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// Stamp = REG_DWORD 0x0
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// IP
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// ProtocolId = REG_SZ 0x21
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// DLLPath = REG_EXPAND_SZ ...
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// Interfaces
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// Stamp = REG_DWORD 0x0
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// 0
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// Stamp = REG_DWORD 0x0
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// InterfaceName = REG_SZ EPRO1
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// Type = REG_DWORD 0x3
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// IP
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// ProtocolId = REG_DWORD 0x21
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//
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// When modifying this file, respect its coding conventions and organization.
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//============================================================================
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#ifndef _RTCFG_H_
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#define _RTCFG_H_
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//----------------------------------------------------------------------------
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// Structure: SERVERCB
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//
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// Context block created as a handle by 'MprConfigServerConnect'.
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//----------------------------------------------------------------------------
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typedef struct _SERVERCB {
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//
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// Signiture to validate this structure
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//
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DWORD dwSigniture;
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//
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// name of router machine
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//
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LPWSTR lpwsServerName;
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//
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// handle to remote HKEY_LOCAL_MACHINE
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//
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HKEY hkeyMachine;
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//
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// handle to remote RemoteAccess\Parameters registry key,
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// and last-write-time
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//
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HKEY hkeyParameters;
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FILETIME ftParametersStamp;
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//
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// handle to remote RemoteAccess\RouterManagers registry key,
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// and last-write-time
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//
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HKEY hkeyTransports;
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FILETIME ftTransportsStamp;
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//
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// handle to remote RemoteAccess\Interfaces registry key,
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// and last-write-time
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//
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HKEY hkeyInterfaces;
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FILETIME ftInterfacesStamp;
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//
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// 'RouterType' setting, and flag indicating it is loaded
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//
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DWORD fRouterType;
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BOOL bParametersLoaded;
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//
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// head of sorted TRANSPORTCB list, and flag indicating list is loaded
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//
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LIST_ENTRY lhTransports;
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BOOL bTransportsLoaded;
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//
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// head of sorted INTERFACECB list, and flag indicating list is loaded
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//
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LIST_ENTRY lhInterfaces;
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BOOL bInterfacesLoaded;
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//
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// handle to data used to provide mapping of interface name to guid name
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// and vice versa.
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//
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HANDLE hGuidMap;
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//
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// reference count to this server control block
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//
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DWORD dwRefCount;
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} SERVERCB;
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//----------------------------------------------------------------------------
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// Structure: TRANSPORTCB
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//
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// Context block created as a handle by 'MprConfigTransportGetHandle'.
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//----------------------------------------------------------------------------
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typedef struct _TRANSPORTCB {
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//
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// transport ID of transport
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//
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DWORD dwTransportId;
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//
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// name of the registry key for the transport
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//
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LPWSTR lpwsTransportKey;
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//
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// handle to remote RemoteAccess\RouterManagers subkey for transport
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//
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HKEY hkey;
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//
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// Deletion flag, set when we detect the transport was removed.
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//
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BOOL bDeleted;
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//
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// node in the SERVERCB's list of transports
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//
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LIST_ENTRY leNode;
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} TRANSPORTCB;
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//----------------------------------------------------------------------------
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// Structure: INTERFACECB
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//
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// Context block created as a handle by 'MprConfigInterfaceGetHandle'.
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//----------------------------------------------------------------------------
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typedef struct _INTERFACECB {
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//
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// name of this interface
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//
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LPWSTR lpwsInterfaceName;
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//
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// name of the registry key for the interface
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//
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LPWSTR lpwsInterfaceKey;
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//
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// Type of interface (see mprapi.h)
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//
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DWORD dwIfType;
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//
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// Is this interface marked as persistant?
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//
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BOOL fEnabled;
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//
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// Dialout hours restriction (optional)
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//
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LPWSTR lpwsDialoutHoursRestriction;
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//
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// handle to remote RemoteAccess\Interfaces subkey for interface
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//
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HKEY hkey;
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//
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// Last-write-time for the key, and deletion flag
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//
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FILETIME ftStamp;
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BOOL bDeleted;
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//
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// node in the SERVERCB's list of interfaces
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//
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LIST_ENTRY leNode;
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//
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// head of this interface's sorted IFTRANSPORTCB list,
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// and flag indicating list is loaded
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//
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LIST_ENTRY lhIfTransports;
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BOOL bIfTransportsLoaded;
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} INTERFACECB;
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//----------------------------------------------------------------------------
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// Structure: IFTRANSPORTCB
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//
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// Context block created as a handle by MprConfigInterfaceGetTransportHandle
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//----------------------------------------------------------------------------
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typedef struct _IFTRANSPORTCB {
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//
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// transport ID of transport
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//
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DWORD dwTransportId;
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//
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// name of the registry key for the interface-transport
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//
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LPWSTR lpwsIfTransportKey;
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//
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// handle to remote RemoteAccess\Interfaces\<interface> subkey for transport
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//
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HKEY hkey;
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//
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// Deletion flag, set when we detect the interface-transport was removed.
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//
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BOOL bDeleted;
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//
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// node in an INTERFACECB's list of transports
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//
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LIST_ENTRY leNode;
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} IFTRANSPORTCB;
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//----------------------------------------------------------------------------
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// Macros: Malloc
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// Free
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// Free0
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//
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// Allocations are done from the process-heap using these macros.
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//----------------------------------------------------------------------------
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#define Malloc(s) HeapAlloc(GetProcessHeap(), 0, (s))
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#define Free(p) HeapFree(GetProcessHeap(), 0, (p))
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#define Free0(p) ((p) ? Free(p) : TRUE)
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//----------------------------------------------------------------------------
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// Function: AccessRouterSubkey
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//
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// Creates/opens a subkey of the Router service key on 'hkeyMachine'.
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// When a key is created, 'lpwsSubkey' must be a child of the Router key.
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//----------------------------------------------------------------------------
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DWORD
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AccessRouterSubkey(
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IN HKEY hkeyMachine,
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IN LPCWSTR lpwsSubkey,
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IN BOOL bCreate,
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OUT HKEY* phkeySubkey
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);
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//----------------------------------------------------------------------------
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// Function: EnableBackupPrivilege
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//
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// Enables/disables backup privilege for the current process.
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//----------------------------------------------------------------------------
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DWORD
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EnableBackupPrivilege(
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IN BOOL bEnable,
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IN LPWSTR pszPrivilege
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);
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//----------------------------------------------------------------------------
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// Function: FreeInterface
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//
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// Frees the context for an interface.
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// Assumes the interface is no longer in the list of interfaces.
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//----------------------------------------------------------------------------
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VOID
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FreeInterface(
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IN INTERFACECB* pinterface
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);
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//----------------------------------------------------------------------------
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// Function: FreeIfTransport
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//
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// Frees the context for an interface-transport.
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// Assumes the interface-transport is no longer in any list.
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//----------------------------------------------------------------------------
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VOID
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FreeIfTransport(
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IN IFTRANSPORTCB* piftransport
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);
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//----------------------------------------------------------------------------
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// Function: FreeTransport
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//
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// Frees the context for a transport.
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// Assumes the transport is no longer in the list of transports.
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//----------------------------------------------------------------------------
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VOID
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FreeTransport(
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IN TRANSPORTCB* ptransport
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);
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//----------------------------------------------------------------------------
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// Function: GetLocalMachine
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//
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// Retrieves the name of the local machine (e.g. "\\MACHINE").
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// Assumes the string supplied can hold MAX_COMPUTERNAME_LENGTH + 3 characters.
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//----------------------------------------------------------------------------
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VOID
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GetLocalMachine(
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IN LPWSTR lpszMachine
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);
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//----------------------------------------------------------------------------
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// Function: GetSizeOfDialoutHoursRestriction
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//
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// Will return the size of the dialout hours restriction in bytes. This
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// is a MULTI_SZ. The count will include the terminating NULL characters.
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//----------------------------------------------------------------------------
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DWORD
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GetSizeOfDialoutHoursRestriction(
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IN LPWSTR lpwsDialoutHoursRestriction
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);
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//----------------------------------------------------------------------------
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// Function: IsNt40Machine
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//
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// Returns whether the given hkeyMachine belongs to an nt40 registry
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//----------------------------------------------------------------------------
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DWORD
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IsNt40Machine (
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IN HKEY hkeyMachine,
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OUT PBOOL pbIsNt40
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);
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//----------------------------------------------------------------------------
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// Function: LoadIfTransports
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//
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// Loads all the transports added to an interface.
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//----------------------------------------------------------------------------
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DWORD
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LoadIfTransports(
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IN INTERFACECB* pinterface
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);
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//----------------------------------------------------------------------------
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// Function: LoadInterfaces
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//
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// Loads all the interfaces.
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//----------------------------------------------------------------------------
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DWORD
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LoadInterfaces(
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IN SERVERCB* pserver
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);
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//----------------------------------------------------------------------------
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// Function: LoadParameters
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//
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// Loads all the parameters
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//----------------------------------------------------------------------------
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DWORD
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LoadParameters(
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IN SERVERCB* pserver
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);
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//----------------------------------------------------------------------------
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// Function: LoadTransports
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//
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// Loads all the transports
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//----------------------------------------------------------------------------
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DWORD
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LoadTransports(
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IN SERVERCB* pserver
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);
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//----------------------------------------------------------------------------
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// Function: QueryValue
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//
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// Queries the 'hkey' for the value 'lpwsValue', allocating memory
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// for the resulting data
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//----------------------------------------------------------------------------
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DWORD
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QueryValue(
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IN HKEY hkey,
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IN LPCWSTR lpwsValue,
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IN OUT LPBYTE* lplpValue,
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OUT LPDWORD lpdwSize
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);
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//----------------------------------------------------------------------------
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// Function: RegDeleteTree
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//
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// Removes an entire subtree from the registry.
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//----------------------------------------------------------------------------
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DWORD
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RegDeleteTree(
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IN HKEY hkey,
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IN LPWSTR lpwsSubkey
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);
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//----------------------------------------------------------------------------
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// Function: RestoreAndTranslateInterfaceKey
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//
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// Restores the interfaces key from the given file and then maps lan interface
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// names from friendly versions to their guid equivalents.
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//
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//----------------------------------------------------------------------------
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DWORD
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RestoreAndTranslateInterfaceKey(
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IN SERVERCB * pserver,
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IN CHAR* pszFileName,
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IN DWORD dwFlags
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);
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//----------------------------------------------------------------------------
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// Function: StrDupW
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//
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// Returns a heap-allocated copy of the specified string.
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//----------------------------------------------------------------------------
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LPWSTR
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StrDupW(
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IN LPCWSTR lpsz
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);
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//----------------------------------------------------------------------------
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// Function: TimeStampChanged
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//
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// Checks the current last-write-time for the given key,
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// and returns TRUE if it is different from the given file-time.
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// The new last-write-time is saved in 'pfiletime'.
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//----------------------------------------------------------------------------
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BOOL
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TimeStampChanged(
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IN HKEY hkey,
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IN OUT FILETIME* pfiletime
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);
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//----------------------------------------------------------------------------
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// Function: TranslateAndSaveInterfaceKey
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//
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// Saves the interfaces key in the router's registry into the given file. All
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// lan interfaces are stored with friendly interface names.
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//
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//----------------------------------------------------------------------------
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DWORD
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TranslateAndSaveInterfaceKey(
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IN SERVERCB * pserver,
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IN PWCHAR pwsFileName,
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IN LPSECURITY_ATTRIBUTES lpSecurityAttributes
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);
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//----------------------------------------------------------------------------
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// Function: UpdateTimeStamp
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//
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// Creates (or sets) a value named 'Stamp' under the given key,
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// and saves the last-write-time for the key in 'pfiletime'.
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//----------------------------------------------------------------------------
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DWORD
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UpdateTimeStamp(
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IN HKEY hkey,
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OUT FILETIME* pfiletime
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);
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//
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// Private ex version of this function that allows you to specify
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// whether you want all interfaces loaded, or just those that are
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// up according to pnp. (see MPRFLAG_IF_* for values for dwFlags)
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//
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DWORD APIENTRY
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MprConfigInterfaceEnumInternal(
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IN HANDLE hMprConfig,
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IN DWORD dwLevel,
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IN OUT LPBYTE* lplpBuffer,
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IN DWORD dwPrefMaxLen,
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OUT LPDWORD lpdwEntriesRead,
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OUT LPDWORD lpdwTotalEntries,
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IN OUT LPDWORD lpdwResumeHandle, OPTIONAL
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IN DWORD dwFlags
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);
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#endif // _RTCFG_H_
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