[PATCH] Fill a SECBUFFER_MISSING buffer if the message is not complete

[Hans Leidekker]

Hi Mikko,

> diff --git a/dlls/secur32/schannel.c b/dlls/secur32/schannel.c
> index 78757ac..192f9cb 100644
> --- a/dlls/secur32/schannel.c
> +++ b/dlls/secur32/schannel.c
> @@ -1244,6 +1244,15 @@ static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle
>      if(buffer->cbBuffer < expected_size)
>      {
>          TRACE("Expected %u bytes, but buffer only contains %u bytes\n", expected_size, buffer->cbBuffer);
> +        buffer->BufferType = SECBUFFER_MISSING;
> +        buffer->cbBuffer = expected_size - buffer->cbBuffer;
> +
> +        // This is a bit weird, but windows does it too
> +        idx = schan_find_sec_buffer_idx(message, 0, SECBUFFER_EMPTY);
> +        buffer = &message->pBuffers[idx];
> +        buffer->BufferType = SECBUFFER_MISSING;
> +        buffer->cbBuffer = expected_size - buffer->cbBuffer;
> +
>          TRACE("Returning SEC_E_INCOMPLETE_MESSAGE\n");
>          return SEC_E_INCOMPLETE_MESSAGE;
>      }

You should resend this with the patches it depends on and give the
patches a sequence number.