void doit(void)
{
HCERTSTORE hStore = CertOpenStore(CERT_STORE_PROV_SYSTEM, 0, 0, CERT_SYSTEM_STORE_CURRENT_USER , L"ROOT");
assert(hStore != NULL);
HCERTSTORE hSystemStore = CertOpenSystemStore(0, "ROOT");
assert(hSystemStore != NULL);
PCCERT_CONTEXT prevCtx = NULL;
PCCERT_CONTEXT ctx = NULL;
PCCERT_CONTEXT sysPrevCtx = NULL;
PCCERT_CONTEXT sysCtx = NULL;
while (1)
{
ctx = CertEnumCertificatesInStore(hStore, prevCtx);
sysCtx = CertEnumCertificatesInStore(hSystemStore, sysPrevCtx);
if (ctx == NULL || sysCtx == NULL)
break;
if (CertCompareIntegerBlob(&ctx->pCertInfo->SerialNumber,
&sysCtx->pCertInfo->SerialNumber) != TRUE)
assert(0);
prevCtx = ctx;
sysPrevCtx = sysCtx;
}
assert(ctx == NULL && sysCtx == NULL);
CertCloseStore(hStore, 0);
CertCloseStore(hSystemStore, 0);
}
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;
}
static BOOL compare_crl_issued_by(PCCRL_CONTEXT pCrlContext, DWORD dwType,
DWORD dwFlags, const void *pvPara)
{
BOOL ret;
if (pvPara)
{
PCCERT_CONTEXT issuer = pvPara;
ret = CertCompareCertificateName(issuer->dwCertEncodingType,
&issuer->pCertInfo->Subject, &pCrlContext->pCrlInfo->Issuer);
if (ret && (dwFlags & CRL_FIND_ISSUED_BY_SIGNATURE_FLAG))
ret = CryptVerifyCertificateSignatureEx(0,
issuer->dwCertEncodingType,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL, (void *)pCrlContext,
CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT, (void *)issuer, 0, NULL);
if (ret && (dwFlags & CRL_FIND_ISSUED_BY_AKI_FLAG))
{
PCERT_EXTENSION ext = CertFindExtension(
szOID_AUTHORITY_KEY_IDENTIFIER2, pCrlContext->pCrlInfo->cExtension,
pCrlContext->pCrlInfo->rgExtension);
if (ext)
{
CERT_AUTHORITY_KEY_ID2_INFO *info;
DWORD size;
if ((ret = CryptDecodeObjectEx(X509_ASN_ENCODING,
X509_AUTHORITY_KEY_ID2, ext->Value.pbData, ext->Value.cbData,
CRYPT_DECODE_ALLOC_FLAG, NULL, &info, &size)))
{
if (info->AuthorityCertIssuer.cAltEntry &&
info->AuthorityCertSerialNumber.cbData)
{
PCERT_ALT_NAME_ENTRY directoryName = NULL;
DWORD i;
for (i = 0; !directoryName &&
i < info->AuthorityCertIssuer.cAltEntry; i++)
if (info->AuthorityCertIssuer.rgAltEntry[i].
dwAltNameChoice == CERT_ALT_NAME_DIRECTORY_NAME)
directoryName =
&info->AuthorityCertIssuer.rgAltEntry[i];
if (directoryName)
{
ret = CertCompareCertificateName(
issuer->dwCertEncodingType,
&issuer->pCertInfo->Subject,
&directoryName->u.DirectoryName);
if (ret)
ret = CertCompareIntegerBlob(
&issuer->pCertInfo->SerialNumber,
&info->AuthorityCertSerialNumber);
}
else
{
FIXME("no supported name type in authority key id2\n");
ret = FALSE;
}
}
else if (info->KeyId.cbData)
{
DWORD size;
ret = CertGetCertificateContextProperty(issuer,
CERT_KEY_IDENTIFIER_PROP_ID, NULL, &size);
if (ret && size == info->KeyId.cbData)
{
LPBYTE buf = CryptMemAlloc(size);
if (buf)
{
CertGetCertificateContextProperty(issuer,
CERT_KEY_IDENTIFIER_PROP_ID, buf, &size);
ret = !memcmp(buf, info->KeyId.pbData, size);
CryptMemFree(buf);
}
else
ret = FALSE;
}
else
ret = FALSE;
}
else
{
FIXME("unsupported value for AKI extension\n");
ret = FALSE;
}
LocalFree(info);
}
}
/* else: a CRL without an AKI matches any cert */
}
}
else
ret = TRUE;
return ret;
}
/***********************************************************************
* TrustIsCertificateSelfSigned (WINTRUST.@)
*/
BOOL WINAPI TrustIsCertificateSelfSigned( PCCERT_CONTEXT cert )
{
PCERT_EXTENSION ext;
DWORD size;
BOOL ret;
TRACE("%p\n", cert);
if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER2,
cert->pCertInfo->cExtension, cert->pCertInfo->rgExtension)))
{
CERT_AUTHORITY_KEY_ID2_INFO *info;
ret = CryptDecodeObjectEx(cert->dwCertEncodingType,
X509_AUTHORITY_KEY_ID2, ext->Value.pbData, ext->Value.cbData,
CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
&info, &size);
if (ret)
{
if (info->AuthorityCertIssuer.cAltEntry &&
info->AuthorityCertSerialNumber.cbData)
{
PCERT_ALT_NAME_ENTRY directoryName = NULL;
DWORD i;
for (i = 0; !directoryName &&
i < info->AuthorityCertIssuer.cAltEntry; i++)
if (info->AuthorityCertIssuer.rgAltEntry[i].dwAltNameChoice
== CERT_ALT_NAME_DIRECTORY_NAME)
directoryName =
&info->AuthorityCertIssuer.rgAltEntry[i];
if (directoryName)
{
ret = CertCompareCertificateName(cert->dwCertEncodingType,
&directoryName->u.DirectoryName, &cert->pCertInfo->Issuer)
&& CertCompareIntegerBlob(&info->AuthorityCertSerialNumber,
&cert->pCertInfo->SerialNumber);
}
else
{
FIXME("no supported name type in authority key id2\n");
ret = FALSE;
}
}
else if (info->KeyId.cbData)
{
ret = CertGetCertificateContextProperty(cert,
CERT_KEY_IDENTIFIER_PROP_ID, NULL, &size);
if (ret && size == info->KeyId.cbData)
{
LPBYTE buf = CryptMemAlloc(size);
if (buf)
{
CertGetCertificateContextProperty(cert,
CERT_KEY_IDENTIFIER_PROP_ID, buf, &size);
ret = !memcmp(buf, info->KeyId.pbData, size);
CryptMemFree(buf);
}
else
ret = FALSE;
}
else
ret = FALSE;
}
LocalFree(info);
}
}
else if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER,
cert->pCertInfo->cExtension, cert->pCertInfo->rgExtension)))
{
CERT_AUTHORITY_KEY_ID_INFO *info;
ret = CryptDecodeObjectEx(cert->dwCertEncodingType,
X509_AUTHORITY_KEY_ID, ext->Value.pbData, ext->Value.cbData,
CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
&info, &size);
if (ret)
{
if (info->CertIssuer.cbData && info->CertSerialNumber.cbData)
{
ret = CertCompareCertificateName(cert->dwCertEncodingType,
&info->CertIssuer, &cert->pCertInfo->Issuer) &&
CertCompareIntegerBlob(&info->CertSerialNumber,
&cert->pCertInfo->SerialNumber);
}
else if (info->KeyId.cbData)
{
ret = CertGetCertificateContextProperty(cert,
CERT_KEY_IDENTIFIER_PROP_ID, NULL, &size);
if (ret && size == info->KeyId.cbData)
{
LPBYTE buf = CryptMemAlloc(size);
if (buf)
{
CertGetCertificateContextProperty(cert,
CERT_KEY_IDENTIFIER_PROP_ID, buf, &size);
ret = !memcmp(buf, info->KeyId.pbData, size);
CryptMemFree(buf);
}
else
ret = FALSE;
}
else
ret = FALSE;
}
else
ret = FALSE;
LocalFree(info);
}
}
else
ret = CertCompareCertificateName(cert->dwCertEncodingType,
&cert->pCertInfo->Subject, &cert->pCertInfo->Issuer);
return ret;
}
