From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C895CC636D4 for ; Wed, 15 Feb 2023 17:48:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pSLsL-00050p-ST; Wed, 15 Feb 2023 12:47:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pSLsK-0004zl-AY for qemu-devel@nongnu.org; Wed, 15 Feb 2023 12:47:24 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pSLsI-0005CN-Ii for qemu-devel@nongnu.org; Wed, 15 Feb 2023 12:47:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676483242; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Dyy/1RzvkVp1pdcd4XazalgcwoIuoecJZnqiF2nDZkw=; b=XegZQbpDikIeufpXYfwDLCnlaBgBKXdPTUTRsSFwC+TOkxE2p0K9iJHkrlsvdldJX8JVdE fvGj9+junoccB/GEgzp45GCfHiNyyxK2OKjFKUvdJRGBNXrk34c5q1GeJvtNQZsgqTrk+/ gCll+YbuM2mhn6dg0v5ylUGg95cPzJA= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-183-BtrkAbymNheruMBZZrsNMw-1; Wed, 15 Feb 2023 12:47:19 -0500 X-MC-Unique: BtrkAbymNheruMBZZrsNMw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D1C813811F34; Wed, 15 Feb 2023 17:47:17 +0000 (UTC) Received: from localhost.localdomain.com (unknown [10.33.36.254]) by smtp.corp.redhat.com (Postfix) with ESMTP id F046140C1423; Wed, 15 Feb 2023 17:47:15 +0000 (UTC) From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, Ronnie Sahlberg , Kevin Wolf , libvir-list@redhat.com, Gerd Hoffmann , Paolo Bonzini , Peter Lieven , Hanna Reitz , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Antoine Damhet Subject: [PULL 1/5] crypto: TLS: introduce `check_pending` Date: Wed, 15 Feb 2023 17:47:08 +0000 Message-Id: <20230215174712.1894516-2-berrange@redhat.com> In-Reply-To: <20230215174712.1894516-1-berrange@redhat.com> References: <20230215174712.1894516-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Antoine Damhet The new `qcrypto_tls_session_check_pending` function allows the caller to know if data have already been consumed from the backend and is already available. Signed-off-by: Antoine Damhet Signed-off-by: Daniel P. Berrangé --- crypto/tlssession.c | 14 ++++++++++++++ include/crypto/tlssession.h | 11 +++++++++++ 2 files changed, 25 insertions(+) diff --git a/crypto/tlssession.c b/crypto/tlssession.c index b302d835d2..1e98f44e0d 100644 --- a/crypto/tlssession.c +++ b/crypto/tlssession.c @@ -493,6 +493,13 @@ qcrypto_tls_session_read(QCryptoTLSSession *session, } +size_t +qcrypto_tls_session_check_pending(QCryptoTLSSession *session) +{ + return gnutls_record_check_pending(session->handle); +} + + int qcrypto_tls_session_handshake(QCryptoTLSSession *session, Error **errp) @@ -615,6 +622,13 @@ qcrypto_tls_session_read(QCryptoTLSSession *sess, } +size_t +qcrypto_tls_session_check_pending(QCryptoTLSSession *session) +{ + return 0; +} + + int qcrypto_tls_session_handshake(QCryptoTLSSession *sess, Error **errp) diff --git a/include/crypto/tlssession.h b/include/crypto/tlssession.h index 15b9cef086..571049bd0e 100644 --- a/include/crypto/tlssession.h +++ b/include/crypto/tlssession.h @@ -248,6 +248,17 @@ ssize_t qcrypto_tls_session_read(QCryptoTLSSession *sess, char *buf, size_t len); +/** + * qcrypto_tls_session_check_pending: + * @sess: the TLS session object + * + * Check if there are unread data in the TLS buffers that have + * already been read from the underlying data source. + * + * Returns: the number of bytes available or zero + */ +size_t qcrypto_tls_session_check_pending(QCryptoTLSSession *sess); + /** * qcrypto_tls_session_handshake: * @sess: the TLS session object -- 2.39.1