Leaked source code of windows server 2003
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#include "StdAfx.h"
#include "base64.h"
#include <malloc.h>
#include <wincrypt.h>
#ifndef USE_LOCAL_IMPLEMENTATION
HRESULT ImportCertFromFile(BSTR FileName, BSTR Password, BSTR bstrInstanceName){return HRESULT_FROM_WIN32(ERROR_CALL_NOT_IMPLEMENTED);}
HRESULT ExportCertToFile(BSTR bstrInstanceName, BSTR FileName,BSTR Password,BOOL bPrivateKey,BOOL bCertChain){return HRESULT_FROM_WIN32(ERROR_CALL_NOT_IMPLEMENTED);}
#else
CString ReturnGoodMetabasePath(CString csInstanceName)
{
CString key_path_lm = _T("");
CString key_path = _T("");
// csInstanceName will come in looking like
// w3svc/1
// or /lm/w3svc/1
//
// we want to it to go out as /lm/w3svc/1
key_path_lm = SZ_MBN_SEP_STR SZ_MBN_MACHINE SZ_MBN_SEP_STR;// SZ_MBN_WEB SZ_MBN_SEP_STR;
if (csInstanceName.GetLength() >= 4)
{
if (csInstanceName.Left(4) == key_path_lm)
{
key_path = csInstanceName;
}
else
{
key_path_lm = SZ_MBN_MACHINE SZ_MBN_SEP_STR;
if (csInstanceName.Left(3) == key_path_lm)
{
key_path = csInstanceName;
}
else
{
key_path = key_path_lm;
key_path += csInstanceName;
}
}
}
else
{
key_path = key_path_lm;
key_path += csInstanceName;
}
return key_path;
}
CERT_CONTEXT * GetInstalledCert(HRESULT * phResult, CString csKeyPath)
{
ATLASSERT(phResult != NULL);
CERT_CONTEXT * pCert = NULL;
*phResult = S_OK;
CComAuthInfo auth;
CString key_path = ReturnGoodMetabasePath(csKeyPath);
CMetaKey key(&auth, key_path, METADATA_PERMISSION_READ | METADATA_PERMISSION_WRITE);
if (key.Succeeded())
{
CString store_name;
CBlob hash;
if (SUCCEEDED(*phResult = key.QueryValue(MD_SSL_CERT_STORE_NAME, store_name)) &&
SUCCEEDED(*phResult = key.QueryValue(MD_SSL_CERT_HASH, hash)))
{
// Open MY store. We assume that store type and flags
// cannot be changed between installation and unistallation
// of the sertificate.
HCERTSTORE hStore = CertOpenStore(CERT_STORE_PROV_SYSTEM,PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,NULL,CERT_SYSTEM_STORE_LOCAL_MACHINE,store_name);
ASSERT(hStore != NULL);
if (hStore != NULL)
{
// Now we need to find cert by hash
CRYPT_HASH_BLOB crypt_hash;
crypt_hash.cbData = hash.GetSize();
crypt_hash.pbData = hash.GetData();
pCert = (CERT_CONTEXT *)CertFindCertificateInStore(hStore,X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,0,CERT_FIND_HASH,(LPVOID)&crypt_hash,NULL);
if (pCert == NULL)
{
*phResult = HRESULT_FROM_WIN32(GetLastError());
}
VERIFY(CertCloseStore(hStore, 0));
}
else
{
*phResult = HRESULT_FROM_WIN32(GetLastError());
}
}
}
else
{
*phResult = key.QueryResult();
}
return pCert;
}
BOOL AddChainToStore(HCERTSTORE hCertStore,PCCERT_CONTEXT pCertContext,DWORD cStores,HCERTSTORE * rghStores,BOOL fDontAddRootCert,CERT_TRUST_STATUS * pChainTrustStatus)
{
DWORD i;
CERT_CHAIN_ENGINE_CONFIG CertChainEngineConfig;
HCERTCHAINENGINE hCertChainEngine = NULL;
PCCERT_CHAIN_CONTEXT pCertChainContext = NULL;
CERT_CHAIN_PARA CertChainPara;
BOOL fRet = TRUE;
PCCERT_CONTEXT pTempCertContext = NULL;
//
// create a new chain engine, then build the chain
//
memset(&CertChainEngineConfig, 0, sizeof(CertChainEngineConfig));
CertChainEngineConfig.cbSize = sizeof(CertChainEngineConfig);
CertChainEngineConfig.cAdditionalStore = cStores;
CertChainEngineConfig.rghAdditionalStore = rghStores;
CertChainEngineConfig.dwFlags = CERT_CHAIN_USE_LOCAL_MACHINE_STORE;
if (!CertCreateCertificateChainEngine(&CertChainEngineConfig, &hCertChainEngine))
{
goto AddChainToStore_Error;
}
memset(&CertChainPara, 0, sizeof(CertChainPara));
CertChainPara.cbSize = sizeof(CertChainPara);
if (!CertGetCertificateChain(hCertChainEngine,pCertContext,NULL,NULL,&CertChainPara,0,NULL,&pCertChainContext))
{
goto AddChainToStore_Error;
}
//
// make sure there is atleast 1 simple chain
//
if (pCertChainContext->cChain != 0)
{
i = 0;
while (i < pCertChainContext->rgpChain[0]->cElement)
{
//
// if we are supposed to skip the root cert,
// and we are on the root cert, then continue
//
if (fDontAddRootCert && (pCertChainContext->rgpChain[0]->rgpElement[i]->TrustStatus.dwInfoStatus & CERT_TRUST_IS_SELF_SIGNED))
{
i++;
continue;
}
CertAddCertificateContextToStore(hCertStore,pCertChainContext->rgpChain[0]->rgpElement[i]->pCertContext,CERT_STORE_ADD_REPLACE_EXISTING,&pTempCertContext);
//
// remove any private key property the certcontext may have on it.
//
if (pTempCertContext)
{
CertSetCertificateContextProperty(pTempCertContext, CERT_KEY_PROV_INFO_PROP_ID, 0, NULL);
CertFreeCertificateContext(pTempCertContext);
}
i++;
}
}
else
{
goto AddChainToStore_Error;
}
//
// if the caller wants the status, then set it
//
if (pChainTrustStatus != NULL)
{
pChainTrustStatus->dwErrorStatus = pCertChainContext->TrustStatus.dwErrorStatus;
pChainTrustStatus->dwInfoStatus = pCertChainContext->TrustStatus.dwInfoStatus;
}
AddChainToStore_Exit:
if (pCertChainContext != NULL)
{
CertFreeCertificateChain(pCertChainContext);
}
if (hCertChainEngine != NULL)
{
CertFreeCertificateChainEngine(hCertChainEngine);
}
return fRet;
AddChainToStore_Error:
fRet = FALSE;
goto AddChainToStore_Exit;
}
HRESULT ExportToBlob(BSTR InstanceName,BSTR Password,BOOL bPrivateKey,BOOL bCertChain,DWORD *cbBufferSize,char **pbBuffer)
{
HRESULT hr = E_FAIL;
PCCERT_CONTEXT pCertContext = NULL;
BOOL bStatus = FALSE;
HCERTSTORE hStore = NULL;
DWORD dwOpenFlags = CERT_STORE_READONLY_FLAG | CERT_STORE_ENUM_ARCHIVED_FLAG;
CRYPT_DATA_BLOB DataBlob;
ZeroMemory(&DataBlob, sizeof(CRYPT_DATA_BLOB));
char *pszB64Out = NULL;
DWORD pcchB64Out = 0;
DWORD err;
//
// get the certificate from the server
//
pCertContext = GetInstalledCert(&hr,InstanceName);
if (NULL == pCertContext)
{
*cbBufferSize = 0;
pbBuffer = NULL;
goto ExportToBlob_Exit;
}
//
// Export cert
//
// Open a temporary store to stick the cert in.
hStore = CertOpenStore(CERT_STORE_PROV_MEMORY,X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,0,dwOpenFlags,NULL);
if(NULL == hStore)
{
*cbBufferSize = 0;
pbBuffer = NULL;
hr = HRESULT_FROM_WIN32(GetLastError());
goto ExportToBlob_Exit;
}
//
// get all the certs in the chain if we need to
//
if (bCertChain)
{
AddChainToStore(hStore, pCertContext, 0, 0, FALSE, NULL);
}
if(!CertAddCertificateContextToStore(hStore,pCertContext,CERT_STORE_ADD_REPLACE_EXISTING,NULL))
{
*cbBufferSize = 0;
pbBuffer = NULL;
hr = HRESULT_FROM_WIN32(GetLastError());
goto ExportToBlob_Exit;
}
// free cert context since we no longer need to hold it
if (pCertContext)
{
CertFreeCertificateContext(pCertContext);pCertContext=NULL;
}
DataBlob.cbData = 0;
DataBlob.pbData = NULL;
if (!PFXExportCertStoreEx(hStore,&DataBlob,Password,NULL,bPrivateKey ? EXPORT_PRIVATE_KEYS : 0))
{
hr = HRESULT_FROM_WIN32(GetLastError());
goto ExportToBlob_Exit;
}
if(DataBlob.cbData <= 0)
{
hr = HRESULT_FROM_WIN32(GetLastError());
goto ExportToBlob_Exit;
}
if(NULL == (DataBlob.pbData = (PBYTE) ::CoTaskMemAlloc(DataBlob.cbData)))
{
hr = E_OUTOFMEMORY;
goto ExportToBlob_Exit;
}
//
// at this point they have allocated enough memory
// let's go and get the cert and put it into DataBlob
//
if(!PFXExportCertStoreEx(hStore,&DataBlob,Password,NULL,bPrivateKey ? EXPORT_PRIVATE_KEYS : 0))
{
if (DataBlob.pbData){CoTaskMemFree(DataBlob.pbData);DataBlob.pbData = NULL;}
hr = HRESULT_FROM_WIN32(GetLastError());
goto ExportToBlob_Exit;
}
// Encode it so that it can be passed back as a string (there are no Nulls in it)
err = Base64EncodeA(DataBlob.pbData,DataBlob.cbData,NULL,&pcchB64Out);
if (err != ERROR_SUCCESS)
{
hr = E_FAIL;
goto ExportToBlob_Exit;
}
// allocate some space and then try it.
pcchB64Out = pcchB64Out * sizeof(char);
pszB64Out = (char *) ::CoTaskMemAlloc(pcchB64Out);
if (NULL == pszB64Out)
{
hr = E_OUTOFMEMORY;
goto ExportToBlob_Exit;
}
err = Base64EncodeA(DataBlob.pbData,DataBlob.cbData,pszB64Out,&pcchB64Out);
if (err != ERROR_SUCCESS)
{
if (NULL != pszB64Out){CoTaskMemFree(pszB64Out);pszB64Out = NULL;}
hr = E_FAIL;
goto ExportToBlob_Exit;
}
// copy the new memory to pass back
*cbBufferSize = pcchB64Out;
*pbBuffer = pszB64Out;
hr = ERROR_SUCCESS;
ExportToBlob_Exit:
if (NULL != DataBlob.pbData)
{
// perhaspse will this up with zeros...
ZeroMemory(DataBlob.pbData, DataBlob.cbData);
::CoTaskMemFree(DataBlob.pbData);DataBlob.pbData = NULL;
}
if (NULL != hStore){CertCloseStore(hStore, 0);hStore=NULL;}
if (NULL != pCertContext) {CertFreeCertificateContext(pCertContext);pCertContext=NULL;}
return hr;
}
HRESULT ExportCertToFile(BSTR bstrInstanceName, BSTR FileName,BSTR Password,BOOL bPrivateKey,BOOL bCertChain)
{
HRESULT hr = S_OK;
DWORD cbEncodedSize = 0;
char * pszEncodedString = NULL;
DWORD blob_cbData = 0;
BYTE * blob_pbData = NULL;
BOOL blob_freeme = FALSE;
// Check mandatory properties
if ( FileName == NULL || *FileName == 0
|| Password == NULL || *Password == 0
|| bstrInstanceName == NULL || *bstrInstanceName == 0)
{
return ERROR_INVALID_PARAMETER;
}
// Call function go get data from the remote/local iis store
// and return it back as a blob. the blob could be returned back as Base64 encoded
// so check that flag
hr = ExportToBlob(bstrInstanceName,Password,bPrivateKey,bCertChain,&cbEncodedSize, &pszEncodedString);
if (FAILED(hr))
{
goto Export_Exit;
}
if (SUCCEEDED(hr))
{
int err;
// The data we got back was Base64 encoded to remove nulls.
// we need to decode it back to it's original format.
if( (err = Base64DecodeA(pszEncodedString,cbEncodedSize,NULL,&blob_cbData)) != ERROR_SUCCESS ||
(blob_pbData = (BYTE *) malloc(blob_cbData)) == NULL ||
(err = Base64DecodeA(pszEncodedString,cbEncodedSize,blob_pbData,&blob_cbData)) != ERROR_SUCCESS )
{
SetLastError(err);
hr = HRESULT_FROM_WIN32(err);
return hr;
}
blob_freeme = TRUE;
HANDLE hFile = CreateFile(FileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (INVALID_HANDLE_VALUE == hFile)
{
hr = HRESULT_FROM_WIN32(GetLastError());
return hr;
}
DWORD written = 0;
if (!WriteFile(hFile, blob_pbData, blob_cbData, &written, NULL))
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
else
{
hr = S_OK;
}
CloseHandle(hFile);
}
Export_Exit:
if (blob_freeme)
{
if (blob_pbData != NULL)
{
// Erase the memory that the private key used to be in!!!
ZeroMemory(blob_pbData, blob_cbData);
free(blob_pbData);blob_pbData=NULL;
}
}
if (pszEncodedString != NULL)
{
// Erase the memory that the private key used to be in!!!
ZeroMemory(pszEncodedString, cbEncodedSize);
CoTaskMemFree(pszEncodedString);pszEncodedString=NULL;
}
return hr;
}
BOOL InstallHashToMetabase(CRYPT_HASH_BLOB * pHash,BSTR InstanceName,HRESULT * phResult)
{
BOOL bRes = FALSE;
CComAuthInfo auth;
CString key_path = ReturnGoodMetabasePath(InstanceName);
CMetaKey key(&auth, key_path, METADATA_PERMISSION_READ | METADATA_PERMISSION_WRITE);
if (key.Succeeded())
{
CBlob blob;
blob.SetValue(pHash->cbData, pHash->pbData, TRUE);
bRes = SUCCEEDED(*phResult = key.SetValue(MD_SSL_CERT_HASH, blob))
&& SUCCEEDED(*phResult = key.SetValue(MD_SSL_CERT_STORE_NAME, CString(L"MY")));
}
else
{
*phResult = key.QueryResult();
}
return bRes;
}
// This function is borrowed from trustapi.cpp
BOOL TrustIsCertificateSelfSigned(PCCERT_CONTEXT pContext,DWORD dwEncoding, DWORD dwFlags)
{
if (!(pContext) || (dwFlags != 0))
{
SetLastError(ERROR_INVALID_PARAMETER);
return(FALSE);
}
if (!(CertCompareCertificateName(dwEncoding,&pContext->pCertInfo->Issuer,&pContext->pCertInfo->Subject)))
{
return(FALSE);
}
DWORD dwFlag;
dwFlag = CERT_STORE_SIGNATURE_FLAG;
if (!(CertVerifySubjectCertificateContext(pContext, pContext, &dwFlag)) ||
(dwFlag & CERT_STORE_SIGNATURE_FLAG))
{
return(FALSE);
}
return(TRUE);
}
HRESULT ImportFromBlobHash(BSTR InstanceName,BSTR Password,BOOL bInstallToMetabase,DWORD count,char *pData,DWORD *cbHashBufferSize,char **pbHashBuffer)
{
HRESULT hr = S_OK;
CRYPT_DATA_BLOB blob;
ZeroMemory(&blob, sizeof(CRYPT_DATA_BLOB));
LPTSTR pPass = Password;
BOOL blob_freeme = FALSE;
int err;
// The data we got back was Base64 encoded to remove nulls.
// we need to decode it back to it's original format.
if( (err = Base64DecodeA(pData,count,NULL,&blob.cbData)) != ERROR_SUCCESS ||
(blob.pbData = (BYTE *) malloc(blob.cbData)) == NULL ||
(err = Base64DecodeA(pData,count,blob.pbData,&blob.cbData)) != ERROR_SUCCESS )
{
SetLastError(err);
hr = HRESULT_FROM_WIN32(err);
return hr;
}
blob_freeme = TRUE;
if (!PFXVerifyPassword(&blob, pPass, 0))
{
// Try empty password
if (pPass == NULL)
{
if (!PFXVerifyPassword(&blob, pPass = L'\0', 0))
{
hr = ERROR_INVALID_PARAMETER;
}
}
else
{
hr = ERROR_INVALID_PARAMETER;
}
}
if (SUCCEEDED(hr))
{
HCERTSTORE hStore = PFXImportCertStore(&blob, pPass, CRYPT_MACHINE_KEYSET|CRYPT_EXPORTABLE);
if (hStore != NULL)
{
//add the certificate with private key to my store; and the rest
//to the ca store
PCCERT_CONTEXT pCertContext = NULL;
PCCERT_CONTEXT pCertPre = NULL;
while ( SUCCEEDED(hr)
&& NULL != (pCertContext = CertEnumCertificatesInStore(hStore, pCertPre))
)
{
//check if the certificate has the property on it
//make sure the private key matches the certificate
//search for both machine key and user keys
DWORD dwData = 0;
if (CertGetCertificateContextProperty(pCertContext,CERT_KEY_PROV_INFO_PROP_ID, NULL, &dwData) && CryptFindCertificateKeyProvInfo(pCertContext, 0, NULL))
{
// This certificate should go to the My store
HCERTSTORE hDestStore = CertOpenStore(CERT_STORE_PROV_SYSTEM,PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,NULL,CERT_SYSTEM_STORE_LOCAL_MACHINE,L"MY");
if (hDestStore != NULL)
{
// Put it to store
if (CertAddCertificateContextToStore(hDestStore,pCertContext,CERT_STORE_ADD_REPLACE_EXISTING,NULL))
{
// Succeeded to put it to the storage
hr = S_OK;
// Install to metabase
CRYPT_HASH_BLOB hash;
hash.pbData = NULL;
if ( CertGetCertificateContextProperty(pCertContext,CERT_SHA1_HASH_PROP_ID, NULL, &hash.cbData))
{
hash.pbData = (BYTE *) LocalAlloc(LPTR,hash.cbData);
if (hash.pbData)
{
if (CertGetCertificateContextProperty(pCertContext, CERT_SHA1_HASH_PROP_ID, hash.pbData, &hash.cbData)))
{
if (TRUE == bInstallToMetabase)
{
// returns error code in hr
InstallHashToMetabase(&hash, InstanceName, &hr);
}
// check if we need to return back the hash
if (NULL != pbHashBuffer)
{
*pbHashBuffer = (char *) ::CoTaskMemAlloc(hash.cbData);
if (NULL == *pbHashBuffer)
{
hr = E_OUTOFMEMORY;
*pbHashBuffer = NULL;
*cbHashBufferSize = 0;
}
else
{
*cbHashBufferSize = hash.cbData;
memcpy(*pbHashBuffer,hash.pbData,hash.cbData);
}
}
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
if (hash.pbData)
{
LocalFree(hash.pbData);hash.pbData=NULL;
}
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
CertCloseStore(hDestStore, 0);
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
} // my store certificate
//see if the certificate is self-signed.
//if it is selfsigned, goes to the root store
else if (TrustIsCertificateSelfSigned(pCertContext,pCertContext->dwCertEncodingType, 0))
{
//Put it to the root store
HCERTSTORE hDestStore=CertOpenStore(CERT_STORE_PROV_SYSTEM,PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,NULL,CERT_SYSTEM_STORE_LOCAL_MACHINE,L"ROOT");
if (hDestStore != NULL)
{
// Put it to store
if (!CertAddCertificateContextToStore(hDestStore,pCertContext,CERT_STORE_ADD_REPLACE_EXISTING,NULL))
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
CertCloseStore(hDestStore, 0);
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
else
{
//Put it to the CA store
HCERTSTORE hDestStore=CertOpenStore(CERT_STORE_PROV_SYSTEM,PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,NULL,CERT_SYSTEM_STORE_LOCAL_MACHINE,L"CA");
if (hDestStore != NULL)
{
// Put it to store
if (!CertAddCertificateContextToStore(hDestStore,pCertContext,CERT_STORE_ADD_REPLACE_EXISTING,NULL))
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
CertCloseStore(hDestStore, 0);
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
pCertPre = pCertContext;
} //while
CertCloseStore(hStore, 0);
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
//ImportFromBlobHash_Exit:
if (blob_freeme)
{
if (blob.pbData != NULL)
{
ZeroMemory(blob.pbData, blob.cbData);
free(blob.pbData);blob.pbData=NULL;
}
}
return hr;
}
HRESULT ImportFromBlobProxy(BSTR InstanceName,BSTR Password,BOOL bInstallToMetabase,DWORD actual,BYTE *pData,DWORD *cbHashBufferSize,char **pbHashBuffer)
{
HRESULT hr = E_FAIL;
char *pszB64Out = NULL;
DWORD pcchB64Out = 0;
// base64 encode the data for transfer to the remote machine
DWORD err;
pcchB64Out = 0;
// Encode it so that it can be passed back as a string (there are no Nulls in it)
err = Base64EncodeA(pData,actual,NULL,&pcchB64Out);
if (err != ERROR_SUCCESS)
{
hr = E_FAIL;
goto ImportFromBlobProxy_Exit;
}
// allocate some space and then try it.
pcchB64Out = pcchB64Out * sizeof(char);
pszB64Out = (char *) ::CoTaskMemAlloc(pcchB64Out);
if (NULL == pszB64Out)
{
hr = E_OUTOFMEMORY;
goto ImportFromBlobProxy_Exit;
}
err = Base64EncodeA(pData,actual,pszB64Out,&pcchB64Out);
if (err != ERROR_SUCCESS)
{
hr = E_FAIL;
goto ImportFromBlobProxy_Exit;
}
// the data to send are now in these variables
// pcchB64Out
// pszB64Out
if (NULL != pbHashBuffer)
{
hr = ImportFromBlobHash(InstanceName,Password,bInstallToMetabase,pcchB64Out,pszB64Out,cbHashBufferSize,pbHashBuffer);
}
if (SUCCEEDED(hr))
{
// otherwise hey, The data was imported!
hr = S_OK;
}
ImportFromBlobProxy_Exit:
if (NULL != pszB64Out)
{
ZeroMemory(pszB64Out,pcchB64Out);
CoTaskMemFree(pszB64Out);
}
return hr;
}
HRESULT ImportCertFromFile(BSTR FileName, BSTR Password, BSTR bstrInstanceName)
{
HRESULT hr = S_OK;
BYTE * pbData = NULL;
DWORD actual = 0, cbData = 0;
// Check mandatory properties
if ( FileName == NULL || *FileName == 0
|| Password == NULL || *Password == 0
|| bstrInstanceName == NULL || *bstrInstanceName == 0)
{
return ERROR_INVALID_PARAMETER;
}
HANDLE hFile = CreateFile(FileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
hr = HRESULT_FROM_WIN32(GetLastError());
hFile = NULL;
goto Import_Exit;
}
if (-1 == (cbData = ::GetFileSize(hFile, NULL)))
{
hr = HRESULT_FROM_WIN32(GetLastError());
goto Import_Exit;
}
if (NULL == (pbData = (BYTE *)::CoTaskMemAlloc(cbData)))
{
hr = E_OUTOFMEMORY;
goto Import_Exit;
}
if (ReadFile(hFile, pbData, cbData, &actual, NULL))
{
hr = ImportFromBlobProxy(bstrInstanceName, Password, TRUE, actual, pbData, 0, NULL);
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
goto Import_Exit;
}
Import_Exit:
if (pbData != NULL)
{
ZeroMemory(pbData, cbData);
::CoTaskMemFree(pbData);
}
if (hFile != NULL){CloseHandle(hFile);}
return hr;
}
#endif