/**
* @interface_method_impl(PDMINVRAM,pfnStoreNvramValue)
*/
DECLCALLBACK(int) drvNvram_pfnLoadNvramValue(PPDMINVRAM pInterface,
int idxVariable,
RTUUID *pVendorUuid,
char *pcszVariableName,
size_t *pcbVariableName,
uint8_t *pu8Value,
size_t *pcbValue)
{
int rc = VINF_SUCCESS;
char szExtraDataKey[256];
Bstr bstrValue;
HRESULT hrc;
LogFlowFunc(("ENTER: idxVariable:%d, *pcbVariableName:%d, *pcbValue:%d\n",
idxVariable,
*pcbVariableName,
*pcbValue));
PNVRAM pThis = RT_FROM_MEMBER(pInterface, NVRAM, INvram);
if (!pThis->fPermanentSave)
{
rc = VERR_NOT_FOUND;
LogFlowFuncLeaveRC(rc);
return rc;
}
RT_ZERO(szExtraDataKey);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VariableName", idxVariable);
hrc = pThis->pNvram->getParent()->machine()->GetExtraData(Bstr(szExtraDataKey).raw(), bstrValue.asOutParam());
if (!SUCCEEDED(hrc))
return VERR_NOT_FOUND;
*pcbVariableName = RTStrCopy(pcszVariableName, 1024, Utf8Str(bstrValue).c_str());
RT_ZERO(szExtraDataKey);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VendorGuid", idxVariable);
hrc = pThis->pNvram->getParent()->machine()->GetExtraData(Bstr(szExtraDataKey).raw(), bstrValue.asOutParam());
RTUuidFromStr(pVendorUuid, Utf8Str(bstrValue).c_str());
#if 0
RT_ZERO(szExtraDataKey);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VariableValueLength", idxVariable);
hrc = pThis->pNvram->getParent()->machine()->GetExtraData(Bstr(szExtraDataKey).raw(), bstrValue.asOutParam());
*pcbValue = Utf8Str(bstrValue).toUInt32();
#endif
RT_ZERO(szExtraDataKey);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VariableValue", idxVariable);
hrc = pThis->pNvram->getParent()->machine()->GetExtraData(Bstr(szExtraDataKey).raw(), bstrValue.asOutParam());
rc = RTBase64Decode(Utf8Str(bstrValue).c_str(), pu8Value, 1024, pcbValue, NULL);
AssertRCReturn(rc, rc);
pThis->cLoadedVariables++;
LogFlowFuncLeaveRC(rc);
return rc;
}
static void tstBase64(const void *pvData, size_t cbData,
const char *pszEnc, size_t cchEnc,
int fTextData, int fNormalEnc)
{
char szOut[0x10000];
size_t cchOut = 0;
/*
* Test decoding.
*/
int rc = RTBase64Decode(pszEnc, szOut, cbData, &cchOut, NULL);
if (RT_FAILURE(rc))
RTTestIFailed("RTBase64Decode -> %Rrc", rc);
else if (cchOut != cbData)
RTTestIFailed("RTBase64Decode returned %zu bytes, expected %zu.",
cchOut, cbData);
else if (memcmp(szOut, pvData, cchOut))
{
if (fTextData)
RTTestIFailed("RTBase64Decode returned:\n%.*s\nexpected:\n%s\n",
(int)cchOut, szOut, pvData);
else
RTTestIFailed("RTBase64Decode return mismatching output\n");
}
cchOut = RTBase64DecodedSize(pszEnc, NULL);
if (cchOut != cbData)
RTTestIFailed("RTBase64DecodedSize returned %zu bytes, expected %zu.\n",
cchOut, cbData);
/*
* Test encoding.
*/
rc = RTBase64Encode(pvData, cbData, szOut, cchEnc + 1, &cchOut);
if (RT_FAILURE(rc))
RTTestIFailed("RTBase64Encode -> %Rrc\n", rc);
else if (fNormalEnc && cchOut != cchEnc)
RTTestIFailed("RTBase64Encode returned %zu bytes, expected %zu.\n",
cchOut, cchEnc);
else if (fNormalEnc && memcmp(szOut, pszEnc, cchOut + 1))
RTTestIFailed("RTBase64Encode returned:\n%*s\nexpected:\n%s\n",
szOut, pszEnc);
size_t cchOut2 = RTBase64EncodedLength(cbData);
if (cchOut != cchOut2)
RTTestIFailed("RTBase64EncodedLength returned %zu bytes, expected %zu.\n",
cchOut2, cchOut);
/** @todo negative testing. */
}
