532 lines
16 KiB
C
532 lines
16 KiB
C
/**
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* WinPR: Windows Portable Runtime
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* Negotiate Security Package
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*
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* Copyright 2011-2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/crt.h>
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#include <winpr/sspi.h>
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#include "negotiate.h"
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#include "../sspi.h"
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#include "../log.h"
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#define TAG WINPR_TAG("negociate")
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extern const SecurityFunctionTableA NTLM_SecurityFunctionTableA;
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extern const SecurityFunctionTableW NTLM_SecurityFunctionTableW;
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char* NEGOTIATE_PACKAGE_NAME = "Negotiate";
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NEGOTIATE_CONTEXT* negotiate_ContextNew()
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{
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NEGOTIATE_CONTEXT* context;
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context = (NEGOTIATE_CONTEXT*) calloc(1, sizeof(NEGOTIATE_CONTEXT));
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if (!context)
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return NULL;
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context->NegotiateFlags = 0;
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context->state = NEGOTIATE_STATE_INITIAL;
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SecInvalidateHandle(&(context->SubContext));
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context->sspiA = (SecurityFunctionTableA*) &NTLM_SecurityFunctionTableA;
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context->sspiW = (SecurityFunctionTableW*) &NTLM_SecurityFunctionTableW;
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return context;
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}
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void negotiate_ContextFree(NEGOTIATE_CONTEXT* context)
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{
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free(context);
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}
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SECURITY_STATUS SEC_ENTRY negotiate_InitializeSecurityContextW(PCredHandle phCredential, PCtxtHandle phContext,
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SEC_WCHAR* pszTargetName, ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
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PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
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PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsExpiry)
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{
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SECURITY_STATUS status;
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NEGOTIATE_CONTEXT* context;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!context)
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{
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context = negotiate_ContextNew();
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if (!context)
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return SEC_E_INTERNAL_ERROR;
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sspi_SecureHandleSetLowerPointer(phNewContext, context);
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sspi_SecureHandleSetUpperPointer(phNewContext, (void*) NEGOTIATE_PACKAGE_NAME);
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}
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status = context->sspiW->InitializeSecurityContextW(phCredential, &(context->SubContext),
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pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, &(context->SubContext),
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pOutput, pfContextAttr, ptsExpiry);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_InitializeSecurityContextA(PCredHandle phCredential, PCtxtHandle phContext,
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SEC_CHAR* pszTargetName, ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
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PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
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PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsExpiry)
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{
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SECURITY_STATUS status;
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NEGOTIATE_CONTEXT* context;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!context)
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{
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context = negotiate_ContextNew();
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if (!context)
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return SEC_E_INTERNAL_ERROR;
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sspi_SecureHandleSetLowerPointer(phNewContext, context);
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sspi_SecureHandleSetUpperPointer(phNewContext, (void*) NEGOTIATE_PACKAGE_NAME);
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}
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status = context->sspiA->InitializeSecurityContextA(phCredential, &(context->SubContext),
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pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, &(context->SubContext),
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pOutput, pfContextAttr, ptsExpiry);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_AcceptSecurityContext(PCredHandle phCredential, PCtxtHandle phContext,
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PSecBufferDesc pInput, ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext,
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PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsTimeStamp)
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{
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SECURITY_STATUS status;
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NEGOTIATE_CONTEXT* context;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!context)
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{
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context = negotiate_ContextNew();
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if (!context)
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return SEC_E_INTERNAL_ERROR;
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sspi_SecureHandleSetLowerPointer(phNewContext, context);
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sspi_SecureHandleSetUpperPointer(phNewContext, (void*) NEGOTIATE_PACKAGE_NAME);
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}
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status = context->sspiA->AcceptSecurityContext(phCredential, &(context->SubContext),
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pInput, fContextReq, TargetDataRep, &(context->SubContext),
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pOutput, pfContextAttr, ptsTimeStamp);
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if (status != SEC_E_OK)
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{
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WLog_WARN(TAG, "AcceptSecurityContext status %s [%08X]",
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GetSecurityStatusString(status), status);
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}
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_CompleteAuthToken(PCtxtHandle phContext, PSecBufferDesc pToken)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!context)
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return SEC_E_INVALID_HANDLE;
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if (context->sspiW->CompleteAuthToken)
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status = context->sspiW->CompleteAuthToken(&(context->SubContext), pToken);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_DeleteSecurityContext(PCtxtHandle phContext)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!context)
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return SEC_E_INVALID_HANDLE;
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if (context->sspiW->DeleteSecurityContext)
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status = context->sspiW->DeleteSecurityContext(&(context->SubContext));
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negotiate_ContextFree(context);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_ImpersonateSecurityContext(PCtxtHandle phContext)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!phContext)
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return SEC_E_INVALID_HANDLE;
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if (context->sspiW->ImpersonateSecurityContext)
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status = context->sspiW->ImpersonateSecurityContext(&(context->SubContext));
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_RevertSecurityContext(PCtxtHandle phContext)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!phContext)
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return SEC_E_INVALID_HANDLE;
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if (context->sspiW->RevertSecurityContext)
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status = context->sspiW->RevertSecurityContext(&(context->SubContext));
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_QueryContextAttributesW(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!phContext)
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return SEC_E_INVALID_HANDLE;
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if (!pBuffer)
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return SEC_E_INSUFFICIENT_MEMORY;
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if (context->sspiW->QueryContextAttributesW)
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status = context->sspiW->QueryContextAttributesW(&(context->SubContext), ulAttribute, pBuffer);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_QueryContextAttributesA(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!phContext)
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return SEC_E_INVALID_HANDLE;
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if (!pBuffer)
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return SEC_E_INSUFFICIENT_MEMORY;
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if (context->sspiA->QueryContextAttributesA)
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status = context->sspiA->QueryContextAttributesA(&(context->SubContext), ulAttribute, pBuffer);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_SetContextAttributesW(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer, ULONG cbBuffer)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!phContext)
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return SEC_E_INVALID_HANDLE;
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if (!pBuffer)
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return SEC_E_INSUFFICIENT_MEMORY;
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if (context->sspiW->SetContextAttributesW)
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status = context->sspiW->SetContextAttributesW(&(context->SubContext), ulAttribute, pBuffer, cbBuffer);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_SetContextAttributesA(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer, ULONG cbBuffer)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_OK;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (!phContext)
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return SEC_E_INVALID_HANDLE;
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if (!pBuffer)
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return SEC_E_INSUFFICIENT_MEMORY;
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if (context->sspiA->SetContextAttributesA)
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status = context->sspiA->SetContextAttributesA(&(context->SubContext), ulAttribute, pBuffer, cbBuffer);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_AcquireCredentialsHandleW(SEC_WCHAR* pszPrincipal, SEC_WCHAR* pszPackage,
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ULONG fCredentialUse, void* pvLogonID, void* pAuthData, SEC_GET_KEY_FN pGetKeyFn,
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void* pvGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
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{
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SSPI_CREDENTIALS* credentials;
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SEC_WINNT_AUTH_IDENTITY* identity;
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if ((fCredentialUse != SECPKG_CRED_OUTBOUND) &&
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(fCredentialUse != SECPKG_CRED_INBOUND) &&
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(fCredentialUse != SECPKG_CRED_BOTH))
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{
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return SEC_E_INVALID_PARAMETER;
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}
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credentials = sspi_CredentialsNew();
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if (!credentials)
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return SEC_E_INTERNAL_ERROR;
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credentials->fCredentialUse = fCredentialUse;
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credentials->pGetKeyFn = pGetKeyFn;
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credentials->pvGetKeyArgument = pvGetKeyArgument;
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identity = (SEC_WINNT_AUTH_IDENTITY*) pAuthData;
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if (identity)
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sspi_CopyAuthIdentity(&(credentials->identity), identity);
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sspi_SecureHandleSetLowerPointer(phCredential, (void*) credentials);
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sspi_SecureHandleSetUpperPointer(phCredential, (void*) NEGOTIATE_PACKAGE_NAME);
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return SEC_E_OK;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_AcquireCredentialsHandleA(SEC_CHAR* pszPrincipal, SEC_CHAR* pszPackage,
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ULONG fCredentialUse, void* pvLogonID, void* pAuthData, SEC_GET_KEY_FN pGetKeyFn,
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void* pvGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
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{
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SSPI_CREDENTIALS* credentials;
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SEC_WINNT_AUTH_IDENTITY* identity;
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if ((fCredentialUse != SECPKG_CRED_OUTBOUND) &&
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(fCredentialUse != SECPKG_CRED_INBOUND) &&
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(fCredentialUse != SECPKG_CRED_BOTH))
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{
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return SEC_E_INVALID_PARAMETER;
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}
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credentials = sspi_CredentialsNew();
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if (!credentials)
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return SEC_E_INTERNAL_ERROR;
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credentials->fCredentialUse = fCredentialUse;
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credentials->pGetKeyFn = pGetKeyFn;
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credentials->pvGetKeyArgument = pvGetKeyArgument;
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identity = (SEC_WINNT_AUTH_IDENTITY*) pAuthData;
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if (identity)
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sspi_CopyAuthIdentity(&(credentials->identity), identity);
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sspi_SecureHandleSetLowerPointer(phCredential, (void*) credentials);
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sspi_SecureHandleSetUpperPointer(phCredential, (void*) NEGOTIATE_PACKAGE_NAME);
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return SEC_E_OK;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_QueryCredentialsAttributesW(PCredHandle phCredential, ULONG ulAttribute, void* pBuffer)
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{
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return SEC_E_UNSUPPORTED_FUNCTION;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_QueryCredentialsAttributesA(PCredHandle phCredential, ULONG ulAttribute, void* pBuffer)
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{
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return SEC_E_UNSUPPORTED_FUNCTION;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_FreeCredentialsHandle(PCredHandle phCredential)
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{
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SSPI_CREDENTIALS* credentials;
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if (!phCredential)
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return SEC_E_INVALID_HANDLE;
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credentials = (SSPI_CREDENTIALS*) sspi_SecureHandleGetLowerPointer(phCredential);
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if (!credentials)
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return SEC_E_INVALID_HANDLE;
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sspi_CredentialsFree(credentials);
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return SEC_E_OK;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_EncryptMessage(PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_UNSUPPORTED_FUNCTION;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (context->sspiW->EncryptMessage)
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status = context->sspiW->EncryptMessage(&(context->SubContext), fQOP, pMessage, MessageSeqNo);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_DecryptMessage(PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, ULONG* pfQOP)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_UNSUPPORTED_FUNCTION;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (context->sspiW->DecryptMessage)
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status = context->sspiW->DecryptMessage(&(context->SubContext), pMessage, MessageSeqNo, pfQOP);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_MakeSignature(PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_UNSUPPORTED_FUNCTION;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (context->sspiW->MakeSignature)
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status = context->sspiW->MakeSignature(&(context->SubContext), fQOP, pMessage, MessageSeqNo);
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return status;
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}
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SECURITY_STATUS SEC_ENTRY negotiate_VerifySignature(PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, ULONG* pfQOP)
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{
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NEGOTIATE_CONTEXT* context;
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SECURITY_STATUS status = SEC_E_UNSUPPORTED_FUNCTION;
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context = (NEGOTIATE_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
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if (context->sspiW->VerifySignature)
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status = context->sspiW->VerifySignature(&(context->SubContext), pMessage, MessageSeqNo, pfQOP);
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return status;
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}
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const SecurityFunctionTableA NEGOTIATE_SecurityFunctionTableA =
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{
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1, /* dwVersion */
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NULL, /* EnumerateSecurityPackages */
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negotiate_QueryCredentialsAttributesA, /* QueryCredentialsAttributes */
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negotiate_AcquireCredentialsHandleA, /* AcquireCredentialsHandle */
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negotiate_FreeCredentialsHandle, /* FreeCredentialsHandle */
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NULL, /* Reserved2 */
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negotiate_InitializeSecurityContextA, /* InitializeSecurityContext */
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negotiate_AcceptSecurityContext, /* AcceptSecurityContext */
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negotiate_CompleteAuthToken, /* CompleteAuthToken */
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negotiate_DeleteSecurityContext, /* DeleteSecurityContext */
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NULL, /* ApplyControlToken */
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negotiate_QueryContextAttributesA, /* QueryContextAttributes */
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negotiate_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
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negotiate_RevertSecurityContext, /* RevertSecurityContext */
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negotiate_MakeSignature, /* MakeSignature */
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negotiate_VerifySignature, /* VerifySignature */
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NULL, /* FreeContextBuffer */
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NULL, /* QuerySecurityPackageInfo */
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NULL, /* Reserved3 */
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NULL, /* Reserved4 */
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NULL, /* ExportSecurityContext */
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NULL, /* ImportSecurityContext */
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NULL, /* AddCredentials */
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NULL, /* Reserved8 */
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NULL, /* QuerySecurityContextToken */
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negotiate_EncryptMessage, /* EncryptMessage */
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negotiate_DecryptMessage, /* DecryptMessage */
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negotiate_SetContextAttributesA, /* SetContextAttributes */
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};
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const SecurityFunctionTableW NEGOTIATE_SecurityFunctionTableW =
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{
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1, /* dwVersion */
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NULL, /* EnumerateSecurityPackages */
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negotiate_QueryCredentialsAttributesW, /* QueryCredentialsAttributes */
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negotiate_AcquireCredentialsHandleW, /* AcquireCredentialsHandle */
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negotiate_FreeCredentialsHandle, /* FreeCredentialsHandle */
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NULL, /* Reserved2 */
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negotiate_InitializeSecurityContextW, /* InitializeSecurityContext */
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negotiate_AcceptSecurityContext, /* AcceptSecurityContext */
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negotiate_CompleteAuthToken, /* CompleteAuthToken */
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negotiate_DeleteSecurityContext, /* DeleteSecurityContext */
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NULL, /* ApplyControlToken */
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negotiate_QueryContextAttributesW, /* QueryContextAttributes */
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negotiate_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
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negotiate_RevertSecurityContext, /* RevertSecurityContext */
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negotiate_MakeSignature, /* MakeSignature */
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negotiate_VerifySignature, /* VerifySignature */
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NULL, /* FreeContextBuffer */
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NULL, /* QuerySecurityPackageInfo */
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NULL, /* Reserved3 */
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NULL, /* Reserved4 */
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NULL, /* ExportSecurityContext */
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NULL, /* ImportSecurityContext */
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NULL, /* AddCredentials */
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|
NULL, /* Reserved8 */
|
|
NULL, /* QuerySecurityContextToken */
|
|
negotiate_EncryptMessage, /* EncryptMessage */
|
|
negotiate_DecryptMessage, /* DecryptMessage */
|
|
negotiate_SetContextAttributesW, /* SetContextAttributes */
|
|
};
|
|
|
|
const SecPkgInfoA NEGOTIATE_SecPkgInfoA =
|
|
{
|
|
0x00083BB3, /* fCapabilities */
|
|
1, /* wVersion */
|
|
0x0009, /* wRPCID */
|
|
0x00002FE0, /* cbMaxToken */
|
|
"Negotiate", /* Name */
|
|
"Microsoft Package Negotiator" /* Comment */
|
|
};
|
|
|
|
WCHAR NEGOTIATE_SecPkgInfoW_Name[] = { 'N','e','g','o','t','i','a','t','e','\0' };
|
|
|
|
WCHAR NEGOTIATE_SecPkgInfoW_Comment[] =
|
|
{
|
|
'M','i','c','r','o','s','o','f','t',' ',
|
|
'P','a','c','k','a','g','e',' ',
|
|
'N','e','g','o','t','i','a','t','o','r','\0'
|
|
};
|
|
|
|
const SecPkgInfoW NEGOTIATE_SecPkgInfoW =
|
|
{
|
|
0x00083BB3, /* fCapabilities */
|
|
1, /* wVersion */
|
|
0x0009, /* wRPCID */
|
|
0x00002FE0, /* cbMaxToken */
|
|
NEGOTIATE_SecPkgInfoW_Name, /* Name */
|
|
NEGOTIATE_SecPkgInfoW_Comment /* Comment */
|
|
};
|