958 lines
29 KiB
C++
958 lines
29 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1996 - 1999
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//
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// File: winvtrst.cpp
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//
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// Contents: Microsoft Internet Security Trust Provider
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//
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// Functions: WinVerifyTrustEx
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// WinVerifyTrust
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// WTHelperGetFileHash
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//
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// *** local functions ***
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// _VerifyTrust
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// _FillProviderData
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// _CleanupProviderData
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// _CleanupProviderNonStateData
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// _WVTSipFreeSubjectInfo
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// _WVTSipFreeSubjectInfoKeepState
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// _WVTSetupProviderData
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//
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// History: 31-May-1997 pberkman created
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//
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//--------------------------------------------------------------------------
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#include "global.hxx"
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#include "wvtver1.h"
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#include "softpub.h"
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#include "imagehlp.h"
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LONG _VerifyTrust(
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IN HWND hWnd,
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IN GUID *pgActionID,
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IN OUT PWINTRUST_DATA pWinTrustData,
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OUT OPTIONAL BYTE *pbSubjectHash,
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IN OPTIONAL OUT DWORD *pcbSubjectHash,
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OUT OPTIONAL ALG_ID *pHashAlgid
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);
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BOOL _FillProviderData(CRYPT_PROVIDER_DATA *pProvData, HWND hWnd, WINTRUST_DATA *pWinTrustData);
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void _CleanupProviderData(CRYPT_PROVIDER_DATA *pProvData);
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void _CleanupProviderNonStateData(CRYPT_PROVIDER_DATA *ProvData);
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BOOL _WVTSipFreeSubjectInfo(SIP_SUBJECTINFO *pSubj);
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BOOL _WVTSetupProviderData(CRYPT_PROVIDER_DATA *psProvData,
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CRYPT_PROVIDER_DATA *psStateProvData);
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BOOL _WVTSipFreeSubjectInfoKeepState(SIP_SUBJECTINFO *pSubj);
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VOID FreeWintrustStateData (WINTRUST_DATA* pWintrustData);
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extern CCatalogCache g_CatalogCache;
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//////////////////////////////////////////////////////////////////////////////////////
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//
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// WinVerifyTrustEx
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//
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//
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extern "C" HRESULT WINAPI WinVerifyTrustEx(HWND hWnd, GUID *pgActionID, WINTRUST_DATA *pWinTrustData)
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{
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return((HRESULT)WinVerifyTrust(hWnd, pgActionID, pWinTrustData));
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}
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#define PE_EXE_HEADER_TAG "MZ"
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#define PE_EXE_HEADER_TAG_LEN 2
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BOOL _IsUnsignedPEFile(
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PWINTRUST_FILE_INFO pFileInfo
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)
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{
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BOOL fIsUnsignedPEFile = FALSE;
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HANDLE hFile = NULL;
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BOOL fCloseFile = FALSE;
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BYTE rgbHeader[PE_EXE_HEADER_TAG_LEN];
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DWORD dwBytesRead;
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DWORD dwCertCnt;
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hFile = pFileInfo->hFile;
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if (NULL == hFile || INVALID_HANDLE_VALUE == hFile) {
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hFile = CreateFileU(
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pFileInfo->pcwszFilePath,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL, // lpsa
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL // hTemplateFile
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);
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if (INVALID_HANDLE_VALUE == hFile)
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goto CreateFileError;
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fCloseFile = TRUE;
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}
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if (0 != SetFilePointer(
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hFile,
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0, // lDistanceToMove
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NULL, // lpDistanceToMoveHigh
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FILE_BEGIN
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))
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goto SetFilePointerError;
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dwBytesRead = 0;
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if (!ReadFile(
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hFile,
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rgbHeader,
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PE_EXE_HEADER_TAG_LEN,
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&dwBytesRead,
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NULL // lpOverlapped
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) || PE_EXE_HEADER_TAG_LEN != dwBytesRead)
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goto ReadFileError;
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if (0 != memcmp(rgbHeader, PE_EXE_HEADER_TAG, PE_EXE_HEADER_TAG_LEN))
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goto NotPEFile;
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// Now see if the PE file is signed
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dwCertCnt = 0;
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if (!ImageEnumerateCertificates(
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hFile,
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CERT_SECTION_TYPE_ANY,
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&dwCertCnt,
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NULL, // Indices
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0 // IndexCount
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) || 0 == dwCertCnt)
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fIsUnsignedPEFile = TRUE;
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CommonReturn:
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if (fCloseFile)
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CloseHandle(hFile);
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return fIsUnsignedPEFile;
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ErrorReturn:
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goto CommonReturn;
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TRACE_ERROR(CreateFileError)
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TRACE_ERROR(SetFilePointerError)
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TRACE_ERROR(ReadFileError)
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TRACE_ERROR(NotPEFile)
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}
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extern "C" LONG WINAPI WinVerifyTrust(HWND hWnd, GUID *pgActionID, LPVOID pOld)
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{
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PWINTRUST_DATA pWinTrustData = (PWINTRUST_DATA) pOld;
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// For SAFER, see if this is a unsigned PE file
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if (_ISINSTRUCT(WINTRUST_DATA, pWinTrustData->cbStruct, dwProvFlags) &&
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(pWinTrustData->dwProvFlags & WTD_SAFER_FLAG) &&
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(WTD_STATEACTION_IGNORE == pWinTrustData->dwStateAction) &&
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(WTD_CHOICE_FILE == pWinTrustData->dwUnionChoice)) {
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if (_IsUnsignedPEFile(pWinTrustData->pFile)) {
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SetLastError((DWORD) TRUST_E_NOSIGNATURE);
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return (LONG) TRUST_E_NOSIGNATURE;
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}
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}
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return _VerifyTrust(
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hWnd,
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pgActionID,
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pWinTrustData,
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NULL, // pbSubjectHash
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NULL, // pcbSubjectHash
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NULL // pHashAlgid
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);
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}
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// Returns S_OK and the hash if the file was signed and contains a valid
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// hash
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extern "C" LONG WINAPI WTHelperGetFileHash(
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IN LPCWSTR pwszFilename,
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IN DWORD dwFlags,
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IN OUT OPTIONAL PVOID *pvReserved,
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OUT OPTIONAL BYTE *pbFileHash,
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IN OUT OPTIONAL DWORD *pcbFileHash,
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OUT OPTIONAL ALG_ID *pHashAlgid
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)
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{
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GUID wvtFileActionID = WINTRUST_ACTION_GENERIC_VERIFY_V2;
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WINTRUST_FILE_INFO wvtFileInfo;
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WINTRUST_DATA wvtData;
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//
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// Initialize the _VerifyTrust input data structure
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//
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memset(&wvtData, 0, sizeof(wvtData)); // default all fields to 0
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wvtData.cbStruct = sizeof(wvtData);
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// wvtData.pPolicyCallbackData = // use default code signing EKU
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// wvtData.pSIPClientData = // no data to pass to SIP
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wvtData.dwUIChoice = WTD_UI_NONE;
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// wvtData.fdwRevocationChecks = // do revocation checking if
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// enabled by admin policy or
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// IE advanced user options
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wvtData.dwUnionChoice = WTD_CHOICE_FILE;
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wvtData.pFile = &wvtFileInfo;
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// wvtData.dwStateAction = // default verification
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// wvtData.hWVTStateData = // not applicable for default
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// wvtData.pwszURLReference = // not used
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// Only want to get the hash
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wvtData.dwProvFlags = WTD_HASH_ONLY_FLAG;
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//
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// Initialize the WinVerifyTrust file info data structure
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//
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memset(&wvtFileInfo, 0, sizeof(wvtFileInfo)); // default all fields to 0
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wvtFileInfo.cbStruct = sizeof(wvtFileInfo);
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wvtFileInfo.pcwszFilePath = pwszFilename;
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// wvtFileInfo.hFile = // allow WVT to open
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// wvtFileInfo.pgKnownSubject // allow WVT to determine
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//
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// Call _VerifyTrust
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//
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return _VerifyTrust(
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NULL, // hWnd
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&wvtFileActionID,
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&wvtData,
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pbFileHash,
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pcbFileHash,
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pHashAlgid
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);
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}
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LONG _VerifyTrust(
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IN HWND hWnd,
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IN GUID *pgActionID,
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IN OUT PWINTRUST_DATA pWinTrustData,
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OUT OPTIONAL BYTE *pbSubjectHash,
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IN OPTIONAL OUT DWORD *pcbSubjectHash,
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OUT OPTIONAL ALG_ID *pHashAlgid
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)
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{
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CRYPT_PROVIDER_DATA sProvData;
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CRYPT_PROVIDER_DATA *pStateProvData;
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HRESULT hr;
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BOOL fVersion1;
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BOOL fCacheableCall;
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PCATALOG_CACHED_STATE pCachedState = NULL;
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BOOL fVersion1WVTCalled = FALSE;
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DWORD cbInSubjectHash;
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DWORD dwLastError = 0;
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hr = TRUST_E_PROVIDER_UNKNOWN;
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pStateProvData = NULL;
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if (pcbSubjectHash)
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{
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cbInSubjectHash = *pcbSubjectHash;
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*pcbSubjectHash = 0;
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}
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else
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{
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cbInSubjectHash = 0;
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}
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if (pHashAlgid)
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*pHashAlgid = 0;
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fCacheableCall = g_CatalogCache.IsCacheableWintrustCall( pWinTrustData );
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if ( fCacheableCall == TRUE )
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{
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g_CatalogCache.LockCache();
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if ( pWinTrustData->dwStateAction == WTD_STATEACTION_AUTO_CACHE_FLUSH )
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{
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g_CatalogCache.FlushCache();
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g_CatalogCache.UnlockCache();
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return( ERROR_SUCCESS );
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}
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pCachedState = g_CatalogCache.FindCachedState( pWinTrustData );
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g_CatalogCache.AdjustWintrustDataToCachedState(
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pWinTrustData,
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pCachedState,
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FALSE
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);
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}
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if (WintrustIsVersion1ActionID(pgActionID))
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{
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fVersion1 = TRUE;
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}
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else
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{
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fVersion1 = FALSE;
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if (_ISINSTRUCT(WINTRUST_DATA, pWinTrustData->cbStruct, hWVTStateData))
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{
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if ((pWinTrustData->dwStateAction == WTD_STATEACTION_VERIFY) ||
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(pWinTrustData->dwStateAction == WTD_STATEACTION_CLOSE))
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{
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pStateProvData = WTHelperProvDataFromStateData(pWinTrustData->hWVTStateData);
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if (pWinTrustData->dwStateAction == WTD_STATEACTION_CLOSE)
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{
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if (pWinTrustData->hWVTStateData)
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{
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_CleanupProviderData(pStateProvData);
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DELETE_OBJECT(pWinTrustData->hWVTStateData);
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}
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assert( fCacheableCall == FALSE );
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return(ERROR_SUCCESS);
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}
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}
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}
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}
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if (_WVTSetupProviderData(&sProvData, pStateProvData))
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{
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sProvData.pgActionID = pgActionID;
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if (!(pStateProvData))
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{
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if (!(WintrustLoadFunctionPointers(pgActionID, sProvData.psPfns)))
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{
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//
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// it may be that we are looking for a version 1 trust provider.
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//
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hr = Version1_WinVerifyTrust(hWnd, pgActionID, pWinTrustData);
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fVersion1WVTCalled = TRUE;
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}
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if ( fVersion1WVTCalled == FALSE )
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{
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if (fVersion1)
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{
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//
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// backwards compatibility with IE3.x and previous
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//
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WINTRUST_DATA sWinTrustData;
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WINTRUST_FILE_INFO sWinTrustFileInfo;
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pWinTrustData = ConvertDataFromVersion1(hWnd, pgActionID, &sWinTrustData, &sWinTrustFileInfo,
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pWinTrustData);
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}
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if (!_FillProviderData(&sProvData, hWnd, pWinTrustData))
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{
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hr = ERROR_NOT_ENOUGH_MEMORY;
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goto ErrorCase;
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}
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}
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}
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// On July 27, 2000 removed support for the IE4 way of chain building.
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sProvData.dwProvFlags |= CPD_USE_NT5_CHAIN_FLAG;
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if ( fVersion1WVTCalled == FALSE )
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{
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if (sProvData.psPfns->pfnInitialize)
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{
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(*sProvData.psPfns->pfnInitialize)(&sProvData);
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}
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if (sProvData.psPfns->pfnObjectTrust)
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{
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(*sProvData.psPfns->pfnObjectTrust)(&sProvData);
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}
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if (sProvData.psPfns->pfnSignatureTrust)
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{
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(*sProvData.psPfns->pfnSignatureTrust)(&sProvData);
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}
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if (sProvData.psPfns->pfnCertificateTrust)
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{
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(*sProvData.psPfns->pfnCertificateTrust)(&sProvData);
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}
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if (sProvData.psPfns->pfnFinalPolicy)
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{
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hr = (*sProvData.psPfns->pfnFinalPolicy)(&sProvData);
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}
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if (sProvData.psPfns->pfnTestFinalPolicy)
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{
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(*sProvData.psPfns->pfnTestFinalPolicy)(&sProvData);
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}
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if (sProvData.psPfns->pfnCleanupPolicy)
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{
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(*sProvData.psPfns->pfnCleanupPolicy)(&sProvData);
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}
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dwLastError = sProvData.dwFinalError;
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if (0 == dwLastError)
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{
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dwLastError = (DWORD) hr;
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}
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if (pcbSubjectHash && hr != TRUST_E_NOSIGNATURE)
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{
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// Return the subject's hash
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DWORD cbHash;
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if (sProvData.pPDSip && sProvData.pPDSip->psIndirectData)
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{
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cbHash = sProvData.pPDSip->psIndirectData->Digest.cbData;
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}
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else
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{
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cbHash = 0;
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}
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if (cbHash > 0)
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{
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*pcbSubjectHash = cbHash;
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if (pbSubjectHash)
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{
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if (cbInSubjectHash >= cbHash)
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{
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memcpy(pbSubjectHash,
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sProvData.pPDSip->psIndirectData->Digest.pbData,
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cbHash);
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}
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else if (S_OK == hr)
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{
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hr = ERROR_MORE_DATA;
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}
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}
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if (pHashAlgid)
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{
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*pHashAlgid = CertOIDToAlgId(
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sProvData.pPDSip->psIndirectData->DigestAlgorithm.pszObjId);
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}
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}
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}
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if (!(pStateProvData))
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{
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//
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// no previous state saved
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//
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if ((_ISINSTRUCT(WINTRUST_DATA, pWinTrustData->cbStruct, hWVTStateData)) &&
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(pWinTrustData->dwStateAction == WTD_STATEACTION_VERIFY))
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{
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//
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// first time call and asking to maintain state...
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//
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if (!(pWinTrustData->hWVTStateData = (HANDLE)WVTNew(sizeof(CRYPT_PROVIDER_DATA))))
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{
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_CleanupProviderData(&sProvData);
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hr = ERROR_NOT_ENOUGH_MEMORY;
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}
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else
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{
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_CleanupProviderNonStateData(&sProvData);
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memcpy(pWinTrustData->hWVTStateData, &sProvData, sizeof(CRYPT_PROVIDER_DATA));
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}
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}
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else
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{
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_CleanupProviderData(&sProvData);
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}
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}
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else
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{
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//
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// only free up memory specific to this object/member
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//
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_CleanupProviderNonStateData(&sProvData);
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memcpy(pWinTrustData->hWVTStateData, &sProvData, sizeof(CRYPT_PROVIDER_DATA));
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}
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//
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// in version 1, when called by IE3.x and earlier, if security level is HIGH,
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// then the no bad UI is set. If we had an error, we want to
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// set the error to TRUST_E_FAIL. If we do not trust the object, every other
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// case sets it to TRUST_E_SUBJECT_NOT_TRUSTED and IE throws NO UI....
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//
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if (fVersion1)
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{
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if (hr != ERROR_SUCCESS)
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{
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if ((pWinTrustData) &&
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(_ISINSTRUCT(WINTRUST_DATA, pWinTrustData->cbStruct, dwUIChoice)))
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{
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if (pWinTrustData->dwUIChoice == WTD_UI_NOBAD)
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{
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hr = TRUST_E_FAIL; // ie throws UI.
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}
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else
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{
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hr = TRUST_E_SUBJECT_NOT_TRUSTED; // ie throws no UI.
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}
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}
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else
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{
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hr = TRUST_E_SUBJECT_NOT_TRUSTED; // ie throws no UI.
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}
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}
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}
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}
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}
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else
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{
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hr = TRUST_E_SYSTEM_ERROR;
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}
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ErrorCase:
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if ( fCacheableCall == TRUE )
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{
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if ( pCachedState == NULL )
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{
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if ( g_CatalogCache.CreateCachedStateFromWintrustData(
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pWinTrustData,
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&pCachedState
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) == TRUE )
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{
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g_CatalogCache.AddCachedState( pCachedState );
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}
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}
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if ( pCachedState == NULL )
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{
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FreeWintrustStateData( pWinTrustData );
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}
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g_CatalogCache.AdjustWintrustDataToCachedState(
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pWinTrustData,
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pCachedState,
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TRUE
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);
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g_CatalogCache.ReleaseCachedState( pCachedState );
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g_CatalogCache.UnlockCache();
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}
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SetLastError(dwLastError);
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return (LONG) hr;
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}
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|
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//////////////////////////////////////////////////////////////////////////////////////
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//
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// local utility functions
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//
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//
|
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BOOL _FillProviderData(CRYPT_PROVIDER_DATA *pProvData, HWND hWnd, WINTRUST_DATA *pWinTrustData)
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|
{
|
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BOOL fHasTrustPubFlags;
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|
|
//
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|
// remember: we do NOT want to return FALSE unless it is an absolutely
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// catastrophic error! Let the Trust provider handle (eg: none!)
|
|
//
|
|
|
|
if (pWinTrustData && _ISINSTRUCT(WINTRUST_DATA,
|
|
pWinTrustData->cbStruct, dwProvFlags))
|
|
pProvData->dwProvFlags = pWinTrustData->dwProvFlags &
|
|
WTD_PROV_FLAGS_MASK;
|
|
|
|
if ((hWnd == INVALID_HANDLE_VALUE) || !(hWnd))
|
|
{
|
|
if (pWinTrustData->dwUIChoice != WTD_UI_NONE)
|
|
{
|
|
hWnd = GetDesktopWindow();
|
|
}
|
|
}
|
|
pProvData->hWndParent = hWnd;
|
|
pProvData->hProv = I_CryptGetDefaultCryptProv(0); // get the default and DONT RELEASE IT!!!!
|
|
pProvData->dwEncoding = X509_ASN_ENCODING | PKCS_7_ASN_ENCODING;
|
|
pProvData->pWintrustData = pWinTrustData;
|
|
pProvData->dwError = ERROR_SUCCESS;
|
|
|
|
// allocate errors
|
|
if (!(pProvData->padwTrustStepErrors))
|
|
{
|
|
if (!(pProvData->padwTrustStepErrors = (DWORD *)WVTNew(TRUSTERROR_MAX_STEPS * sizeof(DWORD))))
|
|
{
|
|
pProvData->dwError = GetLastError();
|
|
//
|
|
// NOTE!! this is currently the only FALSE return, so the caller will
|
|
// assume ERROR_NOT_ENOUGH_MEMORY if FALSE is returned from this function
|
|
//
|
|
return(FALSE);
|
|
}
|
|
|
|
pProvData->cdwTrustStepErrors = TRUSTERROR_MAX_STEPS;
|
|
}
|
|
|
|
memset(pProvData->padwTrustStepErrors, 0x00, sizeof(DWORD) * TRUSTERROR_MAX_STEPS);
|
|
|
|
WintrustGetRegPolicyFlags(&pProvData->dwRegPolicySettings);
|
|
GetRegSecuritySettings(&pProvData->dwRegSecuritySettings);
|
|
|
|
fHasTrustPubFlags = I_CryptReadTrustedPublisherDWORDValueFromRegistry(
|
|
CERT_TRUST_PUB_AUTHENTICODE_FLAGS_VALUE_NAME,
|
|
&pProvData->dwTrustPubSettings
|
|
);
|
|
|
|
if (fHasTrustPubFlags)
|
|
{
|
|
if (pProvData->dwTrustPubSettings &
|
|
(CERT_TRUST_PUB_ALLOW_MACHINE_ADMIN_TRUST |
|
|
CERT_TRUST_PUB_ALLOW_ENTERPRISE_ADMIN_TRUST))
|
|
{
|
|
// End User trust not allowed
|
|
pProvData->dwRegPolicySettings =
|
|
WTPF_IGNOREREVOKATION |
|
|
WTPF_IGNOREREVOCATIONONTS |
|
|
WTPF_OFFLINEOK_IND |
|
|
WTPF_OFFLINEOK_COM |
|
|
WTPF_OFFLINEOKNBU_IND |
|
|
WTPF_OFFLINEOKNBU_COM |
|
|
WTPF_ALLOWONLYPERTRUST;
|
|
}
|
|
|
|
// Allow the safer UI to enable revocation checking
|
|
|
|
if (pProvData->dwTrustPubSettings &
|
|
CERT_TRUST_PUB_CHECK_PUBLISHER_REV_FLAG)
|
|
{
|
|
pProvData->dwRegPolicySettings &= ~WTPF_IGNOREREVOKATION;
|
|
pProvData->dwRegPolicySettings |=
|
|
WTPF_OFFLINEOK_IND |
|
|
WTPF_OFFLINEOK_COM |
|
|
WTPF_OFFLINEOKNBU_IND |
|
|
WTPF_OFFLINEOKNBU_COM;
|
|
}
|
|
|
|
if (pProvData->dwTrustPubSettings &
|
|
CERT_TRUST_PUB_CHECK_TIMESTAMP_REV_FLAG)
|
|
{
|
|
pProvData->dwRegPolicySettings &= ~WTPF_IGNOREREVOCATIONONTS;
|
|
pProvData->dwRegPolicySettings |=
|
|
WTPF_OFFLINEOK_IND |
|
|
WTPF_OFFLINEOK_COM |
|
|
WTPF_OFFLINEOKNBU_IND |
|
|
WTPF_OFFLINEOKNBU_COM;
|
|
}
|
|
}
|
|
|
|
|
|
if (!(pWinTrustData) ||
|
|
!(_ISINSTRUCT(WINTRUST_DATA, pWinTrustData->cbStruct, dwUIChoice)))
|
|
|
|
{
|
|
pProvData->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_WVTINIT] = (DWORD)ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
void _CleanupProviderData(CRYPT_PROVIDER_DATA *pProvData)
|
|
{
|
|
// pProvData->hProv: we're using crypt32's default
|
|
|
|
// pProvData->pWintrustData->xxx->hFile
|
|
if ((pProvData->fOpenedFile) && (pProvData->pWintrustData != NULL))
|
|
{
|
|
HANDLE *phFile;
|
|
|
|
phFile = NULL;
|
|
|
|
switch (pProvData->pWintrustData->dwUnionChoice)
|
|
{
|
|
case WTD_CHOICE_FILE:
|
|
phFile = &pProvData->pWintrustData->pFile->hFile;
|
|
break;
|
|
|
|
case WTD_CHOICE_CATALOG:
|
|
phFile = &pProvData->pWintrustData->pCatalog->hMemberFile;
|
|
break;
|
|
}
|
|
|
|
if ((phFile) && (*phFile) && (*phFile != INVALID_HANDLE_VALUE))
|
|
{
|
|
CloseHandle(*phFile);
|
|
*phFile = INVALID_HANDLE_VALUE;
|
|
pProvData->fOpenedFile = FALSE;
|
|
}
|
|
}
|
|
|
|
if (pProvData->dwSubjectChoice == CPD_CHOICE_SIP)
|
|
{
|
|
DELETE_OBJECT(pProvData->pPDSip->pSip);
|
|
DELETE_OBJECT(pProvData->pPDSip->pCATSip);
|
|
|
|
_WVTSipFreeSubjectInfo(pProvData->pPDSip->psSipSubjectInfo);
|
|
DELETE_OBJECT(pProvData->pPDSip->psSipSubjectInfo);
|
|
|
|
_WVTSipFreeSubjectInfo(pProvData->pPDSip->psSipCATSubjectInfo);
|
|
DELETE_OBJECT(pProvData->pPDSip->psSipCATSubjectInfo);
|
|
|
|
TrustFreeDecode(WVT_MODID_WINTRUST, (BYTE **)&pProvData->pPDSip->psIndirectData);
|
|
|
|
DELETE_OBJECT(pProvData->pPDSip);
|
|
}
|
|
|
|
|
|
if (pProvData->hMsg)
|
|
{
|
|
CryptMsgClose(pProvData->hMsg);
|
|
pProvData->hMsg = NULL;
|
|
}
|
|
|
|
// signer structure
|
|
for (int i = 0; i < (int)pProvData->csSigners; i++)
|
|
{
|
|
TrustFreeDecode(WVT_MODID_WINTRUST, (BYTE **)&pProvData->pasSigners[i].psSigner);
|
|
|
|
DeallocateCertChain(pProvData->pasSigners[i].csCertChain,
|
|
&pProvData->pasSigners[i].pasCertChain);
|
|
|
|
DELETE_OBJECT(pProvData->pasSigners[i].pasCertChain);
|
|
|
|
if (_ISINSTRUCT(CRYPT_PROVIDER_SGNR,
|
|
pProvData->pasSigners[i].cbStruct, pChainContext) &&
|
|
pProvData->pasSigners[i].pChainContext)
|
|
CertFreeCertificateChain(pProvData->pasSigners[i].pChainContext);
|
|
|
|
// counter signers
|
|
for (int i2 = 0; i2 < (int)pProvData->pasSigners[i].csCounterSigners; i2++)
|
|
{
|
|
TrustFreeDecode(WVT_MODID_WINTRUST, (BYTE **)&pProvData->pasSigners[i].pasCounterSigners[i2].psSigner);
|
|
|
|
DeallocateCertChain(pProvData->pasSigners[i].pasCounterSigners[i2].csCertChain,
|
|
&pProvData->pasSigners[i].pasCounterSigners[i2].pasCertChain);
|
|
|
|
DELETE_OBJECT(pProvData->pasSigners[i].pasCounterSigners[i2].pasCertChain);
|
|
if (_ISINSTRUCT(CRYPT_PROVIDER_SGNR,
|
|
pProvData->pasSigners[i].pasCounterSigners[i2].cbStruct,
|
|
pChainContext) &&
|
|
pProvData->pasSigners[i].pasCounterSigners[i2].pChainContext)
|
|
CertFreeCertificateChain(
|
|
pProvData->pasSigners[i].pasCounterSigners[i2].pChainContext);
|
|
}
|
|
|
|
DELETE_OBJECT(pProvData->pasSigners[i].pasCounterSigners);
|
|
}
|
|
|
|
DELETE_OBJECT(pProvData->pasSigners);
|
|
|
|
// MUST BE DONE LAST!!! Using the force flag!!!
|
|
if (pProvData->pahStores)
|
|
{
|
|
DeallocateStoreChain(pProvData->chStores, pProvData->pahStores);
|
|
|
|
DELETE_OBJECT(pProvData->pahStores);
|
|
}
|
|
|
|
pProvData->chStores = 0;
|
|
|
|
// pProvData->padwTrustStepErrors
|
|
DELETE_OBJECT(pProvData->padwTrustStepErrors);
|
|
|
|
// pProvData->pasProvPrivData
|
|
DELETE_OBJECT(pProvData->pasProvPrivData);
|
|
pProvData->csProvPrivData = 0;
|
|
|
|
// pProvData->psPfns
|
|
if (pProvData->psPfns)
|
|
{
|
|
if (pProvData->psPfns->psUIpfns)
|
|
{
|
|
DELETE_OBJECT(pProvData->psPfns->psUIpfns->psUIData);
|
|
DELETE_OBJECT(pProvData->psPfns->psUIpfns);
|
|
}
|
|
|
|
DELETE_OBJECT(pProvData->psPfns);
|
|
}
|
|
}
|
|
|
|
void _CleanupProviderNonStateData(CRYPT_PROVIDER_DATA *pProvData)
|
|
{
|
|
// pProvData->hProv: we're using default!
|
|
|
|
// pProvData->pWintrustData->xxx->hFile: close!
|
|
if ((pProvData->fOpenedFile) && (pProvData->pWintrustData != NULL))
|
|
{
|
|
HANDLE *phFile;
|
|
|
|
phFile = NULL;
|
|
|
|
switch (pProvData->pWintrustData->dwUnionChoice)
|
|
{
|
|
case WTD_CHOICE_FILE:
|
|
phFile = &pProvData->pWintrustData->pFile->hFile;
|
|
break;
|
|
|
|
case WTD_CHOICE_CATALOG:
|
|
phFile = &pProvData->pWintrustData->pCatalog->hMemberFile;
|
|
break;
|
|
}
|
|
|
|
if ((phFile) && (*phFile) && (*phFile != INVALID_HANDLE_VALUE))
|
|
{
|
|
CloseHandle(*phFile);
|
|
*phFile = INVALID_HANDLE_VALUE;
|
|
pProvData->fOpenedFile = FALSE;
|
|
}
|
|
}
|
|
|
|
if (pProvData->dwSubjectChoice == CPD_CHOICE_SIP)
|
|
{
|
|
DELETE_OBJECT(pProvData->pPDSip->pSip);
|
|
|
|
_WVTSipFreeSubjectInfoKeepState(pProvData->pPDSip->psSipSubjectInfo);
|
|
|
|
// pProvData->pPDSip->psSipSubjectInfo: keep
|
|
|
|
// pProvData->pPDSip->pCATSip: keep
|
|
|
|
// pProvData->pPDSip->psSipCATSubjectInfo: keep
|
|
|
|
TrustFreeDecode(WVT_MODID_WINTRUST, (BYTE **)&pProvData->pPDSip->psIndirectData);
|
|
|
|
// pProvData->pPDSip: keep
|
|
}
|
|
|
|
|
|
// pProvData->hMsg: keep
|
|
|
|
// signer structure: keep
|
|
|
|
// pProvData->pahStores: keep
|
|
|
|
// pProvData->padwTrustStepErrors: keep
|
|
|
|
// pProvData->pasProvPrivData: keep
|
|
|
|
// pProvData->psPfns: keep
|
|
}
|
|
|
|
BOOL _WVTSipFreeSubjectInfo(SIP_SUBJECTINFO *pSubj)
|
|
{
|
|
if (!(pSubj))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
DELETE_OBJECT(pSubj->pgSubjectType);
|
|
|
|
switch(pSubj->dwUnionChoice)
|
|
{
|
|
case MSSIP_ADDINFO_BLOB:
|
|
DELETE_OBJECT(pSubj->psBlob);
|
|
break;
|
|
|
|
case MSSIP_ADDINFO_CATMEMBER:
|
|
if (pSubj->psCatMember)
|
|
{
|
|
// The following APIs are in DELAYLOAD'ed mscat32.dll. If the
|
|
// DELAYLOAD fails an exception is raised.
|
|
__try {
|
|
CryptCATClose(
|
|
CryptCATHandleFromStore(pSubj->psCatMember->pStore));
|
|
} __except(EXCEPTION_EXECUTE_HANDLER) {
|
|
DWORD dwExceptionCode = GetExceptionCode();
|
|
}
|
|
|
|
DELETE_OBJECT(pSubj->psCatMember);
|
|
}
|
|
break;
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL _WVTSipFreeSubjectInfoKeepState(SIP_SUBJECTINFO *pSubj)
|
|
{
|
|
if (!(pSubj))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
DELETE_OBJECT(pSubj->pgSubjectType);
|
|
|
|
switch(pSubj->dwUnionChoice)
|
|
{
|
|
case MSSIP_ADDINFO_BLOB:
|
|
DELETE_OBJECT(pSubj->psBlob);
|
|
break;
|
|
|
|
case MSSIP_ADDINFO_CATMEMBER:
|
|
break;
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL _WVTSetupProviderData(CRYPT_PROVIDER_DATA *psProvData, CRYPT_PROVIDER_DATA *psState)
|
|
{
|
|
if (psState)
|
|
{
|
|
memcpy(psProvData, psState, sizeof(CRYPT_PROVIDER_DATA));
|
|
|
|
if (_ISINSTRUCT(CRYPT_PROVIDER_DATA, psProvData->cbStruct, fRecallWithState))
|
|
{
|
|
psProvData->fRecallWithState = TRUE;
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
memset(psProvData, 0x00, sizeof(CRYPT_PROVIDER_DATA));
|
|
|
|
psProvData->cbStruct = sizeof(CRYPT_PROVIDER_DATA);
|
|
|
|
if (!(psProvData->psPfns = (CRYPT_PROVIDER_FUNCTIONS *)WVTNew(sizeof(CRYPT_PROVIDER_FUNCTIONS))))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
memset(psProvData->psPfns, 0x00, sizeof(CRYPT_PROVIDER_FUNCTIONS));
|
|
psProvData->psPfns->cbStruct = sizeof(CRYPT_PROVIDER_FUNCTIONS);
|
|
|
|
if (!(psProvData->psPfns->psUIpfns = (CRYPT_PROVUI_FUNCS *)WVTNew(sizeof(CRYPT_PROVUI_FUNCS))))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
memset(psProvData->psPfns->psUIpfns, 0x00, sizeof(CRYPT_PROVUI_FUNCS));
|
|
psProvData->psPfns->psUIpfns->cbStruct = sizeof(CRYPT_PROVUI_FUNCS);
|
|
|
|
if (!(psProvData->psPfns->psUIpfns->psUIData = (CRYPT_PROVUI_DATA *)WVTNew(sizeof(CRYPT_PROVUI_DATA))))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
memset(psProvData->psPfns->psUIpfns->psUIData, 0x00, sizeof(CRYPT_PROVUI_DATA));
|
|
psProvData->psPfns->psUIpfns->psUIData->cbStruct = sizeof(CRYPT_PROVUI_DATA);
|
|
|
|
GetSystemTimeAsFileTime(&psProvData->sftSystemTime);
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
VOID FreeWintrustStateData (WINTRUST_DATA* pWintrustData)
|
|
{
|
|
PCRYPT_PROVIDER_DATA pStateProvData;
|
|
|
|
pStateProvData = WTHelperProvDataFromStateData(
|
|
pWintrustData->hWVTStateData
|
|
);
|
|
|
|
if ( pStateProvData != NULL )
|
|
{
|
|
_CleanupProviderData( pStateProvData );
|
|
DELETE_OBJECT( pWintrustData->hWVTStateData );
|
|
}
|
|
}
|
|
|