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126 lines
2.4 KiB
126 lines
2.4 KiB
/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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entry.h
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Abstract:
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This module contains declarations for the NAT's driver-entry.
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Also included are declarations for data defined in 'entry.c'.
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Author:
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Abolade Gbadegesin (t-abolag) 13-July-1997
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Revision History:
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--*/
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#ifndef _NAT_ENTRY_H_
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#define _NAT_ENTRY_H_
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//
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// CONSTANT DECLARATIONS
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//
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#define DEFAULT_TCP_TIMEOUT (24 * 60 * 60)
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#define DEFAULT_UDP_TIMEOUT 60
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#define DEFAULT_START_PORT NTOHS(1025)
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#define DEFAULT_END_PORT NTOHS(3000)
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//
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// GLOBAL DATA DECLARATIONS
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//
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extern BOOLEAN AllowInboundNonUnicastTraffic;
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extern COMPONENT_REFERENCE ComponentReference;
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extern WCHAR ExternalName[];
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extern PDEVICE_OBJECT IpDeviceObject;
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extern PFILE_OBJECT IpFileObject;
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extern PDEVICE_OBJECT NatDeviceObject;
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#if NAT_WMI
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extern UNICODE_STRING NatRegistryPath;
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#endif
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extern USHORT ReservedPortsLowerRange;
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extern USHORT ReservedPortsUpperRange;
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extern PDEVICE_OBJECT TcpDeviceObject;
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extern PFILE_OBJECT TcpFileObject;
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extern HANDLE TcpDeviceHandle;
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extern ULONG TcpTimeoutSeconds;
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extern ULONG TraceClassesEnabled;
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extern ULONG UdpTimeoutSeconds;
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//
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// MACRO DEFINITIONS
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//
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//
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// Component-reference macros
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//
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#define REFERENCE_NAT() \
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REFERENCE_COMPONENT(&ComponentReference)
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#define REFERENCE_NAT_OR_RETURN(retcode) \
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REFERENCE_COMPONENT_OR_RETURN(&ComponentReference,retcode)
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#define DEREFERENCE_NAT() \
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DEREFERENCE_COMPONENT(&ComponentReference)
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#define DEREFERENCE_NAT_AND_RETURN(retcode) \
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DEREFERENCE_COMPONENT_AND_RETURN(&ComponentReference, retcode)
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//
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// Macro for composing a LONG64 from two LONGs.
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//
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#define MAKE_LONG64(lo,hi) ((lo) | ((LONG64)(hi) << 32))
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//
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// Macros for handling network-order shorts and longs
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//
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#define ADDRESS_BYTES(a) \
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((a) & 0x000000FF), (((a) & 0x0000FF00) >> 8), \
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(((a) & 0x00FF0000) >> 16), (((a) & 0xFF000000) >> 24)
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//
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// Define a macro version of ntohs which can be applied to constants,
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// and which can thus be computed at compile time.
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//
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#define NTOHS(p) ((((p) & 0xFF00) >> 8) | (((UCHAR)(p) << 8)))
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//
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// FUNCTION PROTOTYPES
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//
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NTSTATUS
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NatInitiateTranslation(
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VOID
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);
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VOID
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NatTerminateTranslation(
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VOID
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);
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extern
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ULONG
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tcpxsum (
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IN ULONG Checksum,
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IN PUCHAR Source,
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IN ULONG Length
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);
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#endif // _NAT_ENTRY_H_
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