212 lines
7.4 KiB
C
212 lines
7.4 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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ntddtcp.h
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Abstract:
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This header file defines constants and types for accessing the NT
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TCP driver.
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Author:
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Mike Massa (mikemas) 13-Aug-1993
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Revision History:
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--*/
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#pragma once
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#ifndef _NTDDTCP_
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#define _NTDDTCP_
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//
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// Device Name - this string is the name of the device. It is the name
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// that should be passed to NtCreateFile when accessing the device.
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//
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#define DD_TCP_DEVICE_NAME L"\\Device\\Tcp"
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#define DD_UDP_DEVICE_NAME L"\\Device\\Udp"
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#define DD_RAW_IP_DEVICE_NAME L"\\Device\\RawIp"
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#define DD_TCP_SYMBOLIC_DEVICE_NAME L"\\DosDevices\\Tcp"
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//
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// Security Filter Support
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//
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// Security filters provide a mechanism by which the transport protocol
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// traffic accepted on IP interfaces may be controlled. Security filtering
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// is globally enabled or disabled for all IP interfaces and transports.
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// If filtering is enabled, incoming traffic is filtered based on registered
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// {interface, protocol, transport value} tuples. The tuples specify
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// permissible traffic. All other values will be rejected. For UDP datagrams
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// and TCP connections, the transport value is the port number. For RawIP
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// datagrams, the transport value is the IP protocol number. An entry exists
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// in the filter database for all active interfaces and protocols in the
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// system.
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//
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// The following ioctls may be used to access the security filter
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// database. The ioctls may be issued on any TCP/IP device object. All of them
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// require Administrator privilege. These ioctls do not update the registry
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// parameters used to initialize security filtering when an interface is
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// installed.
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//
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// The TCP_QUERY_SECURITY_FILTER_STATUS ioctl returns the current status of
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// security filtering - enabled or disabled.
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//
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// The TCP_SET_SECURITY_FILTER_STATUS ioctl modifies the status of security
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// filtering. Changing the filtering status does not change the contents of
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// the filter database.
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//
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// The following ioctls manipulate the filter database. They operate the same
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// whether security filtering is enabled or disabled. If filtering is disabled,
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// any changes will take effect only when filtering is enabled.
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//
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// The TCP_ADD_SECURITY_FILTER ioctl registers an {Interface, Protocol, Value}
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// tuple. The TCP_DELETE_SECURITY_FILTER ioctl deregisters an
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// {Interface, Protocol, Value} tuple. The TCP_ENUMERATE_SECURITY_FILTER ioctl
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// returns the list of {Interface, Protocol, Value} filters currently
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// registered.
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//
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// Each of these ioctls takes an {Interface, Protocol, Value} tuple as an input
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// parameter. Zero is a wildcard value. If the Interface or Protocol elements
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// are zero, the operation applies to all interfaces or protocols, as
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// appropriate. The meaning of a zero Value element depends on the ioctl.
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// For an ADD, a zero Value causes all values to be permissible. For a DELETE,
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// a zero Value causes all all values to be rejected. In both cases, any
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// previously registered values are purged from the database. For an
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// ENUMERATE, a zero Value just causes all registered values to be enumerated,
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// as opposed to a specific value.
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//
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// For all ioctls, a return code of STATUS_INVALID_ADDRESS indicates that
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// the IP address submitted in the input buffer does not correspond to
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// an interface which exists in the system. A code of
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// STATUS_INVALID_PARAMETER possibly indicates that the Protocol number
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// submitted in the input buffer does not correspond to a transport protocol
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// available in the system.
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//
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//
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// Structures used in Security Filter IOCTLs.
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//
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//
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// Structure contained in the input buffer of
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// TCP_SET_SECURITY_FILTER_STATUS ioctls and the output buffer of
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// TCP_QUERY_SECURITY_FILTER_STATUS ioctls.
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//
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struct tcp_security_filter_status {
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ULONG FilteringEnabled; // FALSE if filtering is (to be) disabled.
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}; // Any other value indicates that filtering
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// is (to be) enabled.
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typedef struct tcp_security_filter_status
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TCP_SECURITY_FILTER_STATUS,
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*PTCP_SECURITY_FILTER_STATUS;
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//
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// The TCPSecurityFilterEntry structure, defined in tcpinfo.h, is contained in
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// the input buffer of TCP_[ADD|DELETE|ENUMERATE]_SECURITY_FILTER ioctls.
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//
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//
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// The TCPSecurityFilterEnum structure, defined in tcpinfo.h, is contained
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// in the output buffer of TCP_ENUMERATE_SECURITY_FILTER ioctls. The output
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// buffer passed in the ioctl must be large enough to contain at least this
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// structure or the call will fail. The structure is followed immediately in
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// the buffer by an array of zero or more TCPSecurityFilterEntry structures.
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// The number of TCPSecurityFilterEntry structures is specified by the
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// tfe_entries_returned field of the TCPSecurityFilterEnum.
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//
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typedef struct tcp_blockports_request {
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unsigned long ReservePorts; // TRUE if reserve; FALSE otherwise
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union
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{
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unsigned long NumberofPorts; // numberofports to reserve
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unsigned long StartHandle; // handle to be used to unreserve
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};
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} TCP_BLOCKPORTS_REQUEST, *PTCP_BLOCKPORTS_REQUEST;
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typedef struct tcp_findtcb_request {
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unsigned long Src;
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unsigned long Dest;
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unsigned short DestPort;
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unsigned short SrcPort;
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} TCP_FINDTCB_REQUEST, *PTCP_FINDTCB_REQUEST;
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typedef struct tcp_findtcb_response {
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ULONG_PTR tcb_addr;
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unsigned long tcb_senduna;
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unsigned long tcb_sendnext;
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unsigned long tcb_sendmax;
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unsigned long tcb_sendwin;
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unsigned long tcb_unacked;
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unsigned long tcb_maxwin;
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unsigned long tcb_cwin;
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unsigned short tcb_mss;
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unsigned long tcb_rtt;
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unsigned short tcb_smrtt;
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unsigned short tcb_rexmitcnt;
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unsigned short tcb_rexmittimer;
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unsigned short tcb_rexmit;
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unsigned long tcb_retrans;
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unsigned short tcb_state;
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unsigned long tcb_copied;
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} TCP_FINDTCB_RESPONSE, *PTCP_FINDTCB_RESPONSE;
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//
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// TCP/UDP/RawIP IOCTL code definitions
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//
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#define FSCTL_TCP_BASE FILE_DEVICE_NETWORK
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#define _TCP_CTL_CODE(function, method, access) \
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CTL_CODE(FSCTL_TCP_BASE, function, method, access)
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#define IOCTL_TCP_QUERY_INFORMATION_EX \
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_TCP_CTL_CODE(0, METHOD_NEITHER, FILE_ANY_ACCESS)
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#define IOCTL_TCP_SET_INFORMATION_EX \
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_TCP_CTL_CODE(1, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_QUERY_SECURITY_FILTER_STATUS \
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_TCP_CTL_CODE(2, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_SET_SECURITY_FILTER_STATUS \
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_TCP_CTL_CODE(3, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_ADD_SECURITY_FILTER \
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_TCP_CTL_CODE(4, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_DELETE_SECURITY_FILTER \
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_TCP_CTL_CODE(5, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_ENUMERATE_SECURITY_FILTER \
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_TCP_CTL_CODE(6, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_RESERVE_PORT_RANGE \
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_TCP_CTL_CODE(7, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_UNRESERVE_PORT_RANGE \
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_TCP_CTL_CODE(8, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_BLOCK_PORTS \
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_TCP_CTL_CODE(9, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_TCP_WSH_SET_INFORMATION_EX \
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_TCP_CTL_CODE(10, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_TCP_FINDTCB \
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_IP_CTL_CODE(21, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_TCP_RCVWND \
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_IP_CTL_CODE(22, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#endif // _NTDDTCP_
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