private static void AddX509Names(SafeX509NameStackHandle nameStack, StoreLocation storeLocation, HashSet<string> issuerNameHashSet)
{
using (var store = new X509Store(StoreName.Root, storeLocation))
{
store.Open(OpenFlags.ReadOnly);
foreach (var certificate in store.Certificates)
{
//Check if issuer name is already present
//Avoiding duplicate names
if (!issuerNameHashSet.Add(certificate.Issuer))
{
continue;
}
using (SafeX509Handle certHandle = Crypto.X509Duplicate(certificate.Handle))
{
using (SafeX509NameHandle nameHandle = Crypto.DuplicateX509Name(Crypto.X509GetIssuerName(certHandle)))
{
if (Crypto.PushX509NameStackField(nameStack, nameHandle))
{
// The handle ownership has been transferred into the STACK_OF(X509_NAME).
nameHandle.SetHandleAsInvalid();
}
else
{
throw new CryptographicException(SR.net_ssl_x509Name_push_failed_error);
}
}
}
}
}
}
internal static extern void SslCtxSetClientCAList(SafeSslContextHandle ctx, SafeX509NameStackHandle x509NameStackPtr);
internal static extern bool PushX509NameStackField(SafeX509NameStackHandle stack, SafeX509NameHandle x509_Name);
internal static extern void SSL_CTX_set_client_CA_list(SafeSslContextHandle ctx, SafeX509NameStackHandle x509NameStackPtr);
