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115 lines
2.1 KiB
115 lines
2.1 KiB
/*++
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Copyright (c) 1993 Microsoft Corporation
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Module Name:
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context.h
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Abstract:
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SSP Context.
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Author:
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Cliff Van Dyke (CliffV) 17-Sep-1993
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Revision History:
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--*/
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#ifndef _NTLMSSP_CONTEXT_INCLUDED_
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#define _NTLMSSP_CONTEXT_INCLUDED_
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typedef enum _SSPC_CONTEXT_STATE_ {
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ClntIdleState,
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ClntNegotiateSentState, // Outbound context only
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ClntChallengeSentState, // Inbound context only
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ClntAuthenticateSentState, // Outbound context only
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ClntAuthenticatedState // Inbound context only
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} SSPC_CONTEXT_STATE;
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typedef struct _SSP_CONTEXT {
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//
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// 'Type' indicates whether this is a server or a client context.
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// The value must be either MSNSP_CLIENT_CTXT or MSNSP_SERVER_CTXT
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// THIS MUST BE THE 1st FIELD OF MSNSSP_CONTEXT & SSP_CONTEXT
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//
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MSNSP_CTXT_TYPE Type;
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//
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// Global list of all Contexts
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// (Serialized by SspContextCritSect)
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//
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LIST_ENTRY Next;
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//
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// Timeout the context after awhile.
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//
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TimeStamp StartTime;
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DWORD Interval;
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//
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// Used to prevent this Context from being deleted prematurely.
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//
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WORD References;
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//
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// Maintain the Negotiated protocol
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//
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ULONG NegotiateFlags;
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//
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// State of the context
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//
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SSPC_CONTEXT_STATE State;
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//
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// The challenge passed to the client.
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// Only valid when in ChallengeSentState.
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//
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UCHAR Challenge[MSV1_0_CHALLENGE_LENGTH];
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PSSP_CREDENTIAL Credential;
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ULONG SendNonce, ReceiveNonce;
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struct RC4_KEYSTRUCT SEC_FAR * ReceiveKey;
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struct RC4_KEYSTRUCT SEC_FAR * SendKey;
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//
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// Used to make encryption multi thread safe
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//
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CRITICAL_SECTION EncryptSection;
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} SSP_CONTEXT, *PSSP_CONTEXT;
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PSSP_CONTEXT
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SspContextReferenceContext(
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IN PCtxtHandle ContextHandle,
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IN BOOLEAN RemoveContext
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);
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void
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SspContextDereferenceContext(
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PSSP_CONTEXT Context
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);
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PSSP_CONTEXT
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SspContextAllocateContext(
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);
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TimeStamp
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SspContextGetTimeStamp(
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IN PSSP_CONTEXT Context,
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IN BOOLEAN GetExpirationTime
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);
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#endif // ifndef _NTLMSSP_CONTEXT_INCLUDED_
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