crl.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

static BOOL WINAPI CRLContext_SetProperty(void *context, DWORD dwPropId,
 DWORD dwFlags, const void *pvData);

static BOOL CRLContext_GetHashProp(void *context, DWORD dwPropId,
 ALG_ID algID, const BYTE *toHash, DWORD toHashLen, void *pvData,
 DWORD *pcbData)
{
    BOOL ret = CryptHashCertificate(0, algID, 0, toHash, toHashLen, pvData,
     pcbData);
    if (ret)
    {
        CRYPT_DATA_BLOB blob = { *pcbData, pvData };

        ret = CRLContext_SetProperty(context, dwPropId, 0, &blob);
    }
    return ret;
}

static BOOL WINAPI CRLContext_GetProperty(void *context, DWORD dwPropId,
 void *pvData, DWORD *pcbData)
{
    PCCRL_CONTEXT pCRLContext = (PCCRL_CONTEXT)context;
    PCONTEXT_PROPERTY_LIST properties =
     Context_GetProperties(context, sizeof(CRL_CONTEXT));
    BOOL ret;
    CRYPT_DATA_BLOB blob;

    TRACE("(%p, %d, %p, %p)\n", context, dwPropId, pvData, pcbData);

    if (properties)
        ret = ContextPropertyList_FindProperty(properties, dwPropId, &blob);
    else
        ret = FALSE;
    if (ret)
    {
        if (!pvData)
        {
            *pcbData = blob.cbData;
            ret = TRUE;
        }
        else if (*pcbData < blob.cbData)
        {
            SetLastError(ERROR_MORE_DATA);
            *pcbData = blob.cbData;
        }
        else
        {
            memcpy(pvData, blob.pbData, blob.cbData);
            *pcbData = blob.cbData;
            ret = TRUE;
        }
    }
    else
    {
        /* Implicit properties */
        switch (dwPropId)
        {
        case CERT_SHA1_HASH_PROP_ID:
            ret = CRLContext_GetHashProp(context, dwPropId, CALG_SHA1,
             pCRLContext->pbCrlEncoded, pCRLContext->cbCrlEncoded, pvData,
             pcbData);
            break;
        case CERT_MD5_HASH_PROP_ID:
            ret = CRLContext_GetHashProp(context, dwPropId, CALG_MD5,
             pCRLContext->pbCrlEncoded, pCRLContext->cbCrlEncoded, pvData,
             pcbData);
            break;
        default:
            SetLastError(CRYPT_E_NOT_FOUND);
        }
    }
    TRACE("returning %d\n", ret);
    return ret;
}

BOOL WINAPI CertGetCRLContextProperty(PCCRL_CONTEXT pCRLContext,
 DWORD dwPropId, void *pvData, DWORD *pcbData)
{
    BOOL ret;

    TRACE("(%p, %d, %p, %p)\n", pCRLContext, dwPropId, pvData, pcbData);

    switch (dwPropId)
    {
    case 0:
    case CERT_CERT_PROP_ID:
    case CERT_CRL_PROP_ID:
    case CERT_CTL_PROP_ID:
        SetLastError(E_INVALIDARG);
        ret = FALSE;
        break;
    case CERT_ACCESS_STATE_PROP_ID:
        if (!pvData)
        {
            *pcbData = sizeof(DWORD);
            ret = TRUE;
        }
        else if (*pcbData < sizeof(DWORD))
        {
            SetLastError(ERROR_MORE_DATA);
            *pcbData = sizeof(DWORD);
            ret = FALSE;
        }
        else
        {
            *(DWORD *)pvData =
             CertStore_GetAccessState(pCRLContext->hCertStore);
            ret = TRUE;
        }
        break;
    default:
        ret = CRLContext_GetProperty((void *)pCRLContext, dwPropId, pvData,
         pcbData);
    }
    return ret;
}

static BOOL WINAPI CRLContext_SetProperty(void *context, DWORD dwPropId,
 DWORD dwFlags, const void *pvData)
{
    PCONTEXT_PROPERTY_LIST properties =
     Context_GetProperties(context, sizeof(CERT_CONTEXT));
    BOOL ret;

    TRACE("(%p, %d, %08x, %p)\n", context, dwPropId, dwFlags, pvData);

    if (!properties)
        ret = FALSE;
    else if (!pvData)
    {
        ContextPropertyList_RemoveProperty(properties, dwPropId);
        ret = TRUE;
    }
    else
    {
        switch (dwPropId)
        {
        case CERT_AUTO_ENROLL_PROP_ID:
        case CERT_CTL_USAGE_PROP_ID: /* same as CERT_ENHKEY_USAGE_PROP_ID */
        case CERT_DESCRIPTION_PROP_ID:
        case CERT_FRIENDLY_NAME_PROP_ID:
        case CERT_HASH_PROP_ID:
        case CERT_KEY_IDENTIFIER_PROP_ID:
        case CERT_MD5_HASH_PROP_ID:
        case CERT_NEXT_UPDATE_LOCATION_PROP_ID:
        case CERT_PUBKEY_ALG_PARA_PROP_ID:
        case CERT_PVK_FILE_PROP_ID:
        case CERT_SIGNATURE_HASH_PROP_ID:
        case CERT_ISSUER_PUBLIC_KEY_MD5_HASH_PROP_ID:
        case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
        case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
        case CERT_ENROLLMENT_PROP_ID:
        case CERT_CROSS_CERT_DIST_POINTS_PROP_ID:
        case CERT_RENEWAL_PROP_ID:
        {
            PCRYPT_DATA_BLOB blob = (PCRYPT_DATA_BLOB)pvData;

            ret = ContextPropertyList_SetProperty(properties, dwPropId,
             blob->pbData, blob->cbData);
            break;
        }
        case CERT_DATE_STAMP_PROP_ID:
            ret = ContextPropertyList_SetProperty(properties, dwPropId,
             (const BYTE *)pvData, sizeof(FILETIME));
            break;
        default:
            FIXME("%d: stub\n", dwPropId);
            ret = FALSE;
        }
    }
    TRACE("returning %d\n", ret);
    return ret;
}

BOOL WINAPI CertSetCRLContextProperty(PCCRL_CONTEXT pCRLContext,
 DWORD dwPropId, DWORD dwFlags, const void *pvData)
{
    BOOL ret;

    TRACE("(%p, %d, %08x, %p)\n", pCRLContext, dwPropId, dwFlags, pvData);

    /* Handle special cases for "read-only"/invalid prop IDs.  Windows just
     * crashes on most of these, I'll be safer.
     */
    switch (dwPropId)
    {
    case 0:
    case CERT_ACCESS_STATE_PROP_ID:
    case CERT_CERT_PROP_ID:
    case CERT_CRL_PROP_ID:
    case CERT_CTL_PROP_ID:
        SetLastError(E_INVALIDARG);
        return FALSE;
    }
    ret = CRLContext_SetProperty((void *)pCRLContext, dwPropId, dwFlags,
     pvData);
    TRACE("returning %d\n", ret);
    return ret;
}

BOOL WINAPI CertIsValidCRLForCertificate(PCCERT_CONTEXT pCert,
 PCCRL_CONTEXT pCrl, DWORD dwFlags, void *pvReserved)
{
    TRACE("(%p, %p, %08x, %p)\n", pCert, pCrl, dwFlags, pvReserved);
    return TRUE;
}

static PCRL_ENTRY CRYPT_FindCertificateInCRL(PCERT_INFO cert, const CRL_INFO *crl)
{
    DWORD i;
    PCRL_ENTRY entry = NULL;

    for (i = 0; !entry && i < crl->cCRLEntry; i++)
        if (CertCompareIntegerBlob(&crl->rgCRLEntry[i].SerialNumber,
         &cert->SerialNumber))
            entry = &crl->rgCRLEntry[i];
    return entry;
}

BOOL WINAPI CertFindCertificateInCRL(PCCERT_CONTEXT pCert,
 PCCRL_CONTEXT pCrlContext, DWORD dwFlags, void *pvReserved,
 PCRL_ENTRY *ppCrlEntry)
{
    TRACE("(%p, %p, %08x, %p, %p)\n", pCert, pCrlContext, dwFlags, pvReserved,
     ppCrlEntry);

    *ppCrlEntry = CRYPT_FindCertificateInCRL(pCert->pCertInfo,
     pCrlContext->pCrlInfo);
    return TRUE;
}

BOOL WINAPI CertVerifyCRLRevocation(DWORD dwCertEncodingType,
 PCERT_INFO pCertId, DWORD cCrlInfo, PCRL_INFO rgpCrlInfo[])
{
    DWORD i;
    PCRL_ENTRY entry = NULL;

    TRACE("(%08x, %p, %d, %p)\n", dwCertEncodingType, pCertId, cCrlInfo,
     rgpCrlInfo);

    for (i = 0; !entry && i < cCrlInfo; i++)
        entry = CRYPT_FindCertificateInCRL(pCertId, rgpCrlInfo[i]);
    return entry == NULL;
}

LONG WINAPI CertVerifyCRLTimeValidity(LPFILETIME pTimeToVerify,
 PCRL_INFO pCrlInfo)
{
    FILETIME fileTime;
    LONG ret;

    if (!pTimeToVerify)
    {
        SYSTEMTIME sysTime;

        GetSystemTime(&sysTime);
        SystemTimeToFileTime(&sysTime, &fileTime);
        pTimeToVerify = &fileTime;
    }
    if ((ret = CompareFileTime(pTimeToVerify, &pCrlInfo->ThisUpdate)) >= 0)
    {
        ret = CompareFileTime(pTimeToVerify, &pCrlInfo->NextUpdate);
        if (ret < 0)
            ret = 0;
    }
    return ret;
}