From patchwork Sun Feb 7 07:47:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zihao Chang X-Patchwork-Id: 12072579 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B98EC433DB for ; Sun, 7 Feb 2021 07:50:51 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 01EC064E88 for ; Sun, 7 Feb 2021 07:50:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01EC064E88 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45544 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l8eqI-0004vc-2m for qemu-devel@archiver.kernel.org; Sun, 07 Feb 2021 02:50:50 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40964) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8enL-0003Pb-WE for qemu-devel@nongnu.org; Sun, 07 Feb 2021 02:47:48 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:3309) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8enJ-0006rN-Gp for qemu-devel@nongnu.org; Sun, 07 Feb 2021 02:47:47 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4DYLmn2wyGzlH8G; Sun, 7 Feb 2021 15:45:45 +0800 (CST) Received: from DESKTOP-F1615D3.china.huawei.com (10.174.186.85) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.498.0; Sun, 7 Feb 2021 15:47:18 +0800 From: Zihao Chang To: Subject: [PATCH v3 1/3] crypto: add reload for QCryptoTLSCredsClass Date: Sun, 7 Feb 2021 15:47:08 +0800 Message-ID: <20210207074710.1029-2-changzihao1@huawei.com> X-Mailer: git-send-email 2.22.0.windows.1 In-Reply-To: <20210207074710.1029-1-changzihao1@huawei.com> References: <20210207074710.1029-1-changzihao1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.85] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=changzihao1@huawei.com; helo=szxga04-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: berrange@redhat.com, oscar.zhangbo@huawei.com, changzihao1@huawei.com, armbru@redhat.com, xiexiangyou@huawei.com, kraxel@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch adds reload interface for QCryptoTLSCredsClass and implements the interface for QCryptoTLSCredsX509. Signed-off-by: Zihao Chang --- crypto/tlscredsx509.c | 112 ++++++++++++++++++++++++++++++++++++++ include/crypto/tlscreds.h | 8 ++- 2 files changed, 117 insertions(+), 3 deletions(-) diff --git a/crypto/tlscredsx509.c b/crypto/tlscredsx509.c index dbadad4df28e..257106a33853 100644 --- a/crypto/tlscredsx509.c +++ b/crypto/tlscredsx509.c @@ -23,8 +23,10 @@ #include "tlscredspriv.h" #include "crypto/secret.h" #include "qapi/error.h" +#include "qapi/qmp/qstring.h" #include "qemu/module.h" #include "qom/object_interfaces.h" +#include "qom/qom-qobject.h" #include "trace.h" @@ -770,6 +772,113 @@ qcrypto_tls_creds_x509_prop_get_sanity(Object *obj, } +#ifdef CONFIG_GNUTLS + + +/* + * object_property_get_qobject() return "" for NULL QString, + * set NULL QString prop as "" is unsafe. + */ +static bool +qcrypto_tls_creds_x509_need_set_prop(QObject *qobj) +{ + QString *qstring = qobject_to(QString, qobj); + /* prop type is not QString. */ + if (!qstring) { + return true; + } + + return strlen(qstring_get_str(qstring)) > 0; +} + + +static bool +qcrypto_tls_creds_x509_copy_propertites(Object *new, + Object *old, + Error **errp) +{ + ObjectProperty *prop = NULL; + ObjectPropertyIterator iter; + Error *local_err = NULL; + + object_property_iter_init(&iter, old); + while ((prop = object_property_iter_next(&iter)) && prop->set) { + QObject *value = NULL; + /* "loaded" depends on other props, copy it finally. */ + if (g_strcmp0(prop->name, "loaded") == 0) { + continue; + } + + value = object_property_get_qobject(old, prop->name, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return false; + } + + if (qcrypto_tls_creds_x509_need_set_prop(value)) { + object_property_set_qobject(new, prop->name, value, &local_err); + if (local_err) { + error_propagate(errp, local_err); + qobject_unref(value); + return false; + } + } + qobject_unref(value); + } + + return true; +} + + +static bool +qcrypto_tls_creds_x509_reload(QCryptoTLSCreds *creds, Error **errp) +{ + Object *old = OBJECT(creds); + QCryptoTLSCredsX509 *old_x509 = QCRYPTO_TLS_CREDS_X509(creds); + Object *new = object_new(TYPE_QCRYPTO_TLS_CREDS_X509); + QCryptoTLSCredsX509 *new_x509 = QCRYPTO_TLS_CREDS_X509(new); + Error *local_err = NULL; + bool ret = false; + + if (!qcrypto_tls_creds_x509_copy_propertites(new, old, &local_err)) { + error_propagate(errp, local_err); + goto out; + } + + qcrypto_tls_creds_x509_load(new_x509, &local_err); + if (local_err) { + error_propagate(errp, local_err); + goto out; + } + + /* load new cert successfully, release old data and update */ + qcrypto_tls_creds_x509_unload(old_x509); + old_x509->data = new_x509->data; + old_x509->parent_obj.dh_params = new_x509->parent_obj.dh_params; + new_x509->data = NULL; + new_x509->parent_obj.dh_params = NULL; + + ret = true; + + out: + object_unref(new); + return ret; +} + + +#else /* ! CONFIG_GNUTLS */ + + +static bool +qcrypto_tls_creds_x509_reload(QCryptoTLSCreds *creds, Error **errp) +{ + return false; +} + + +#endif /* ! CONFIG_GNUTLS */ + + static void qcrypto_tls_creds_x509_complete(UserCreatable *uc, Error **errp) { @@ -800,6 +909,9 @@ static void qcrypto_tls_creds_x509_class_init(ObjectClass *oc, void *data) { UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc); + QCryptoTLSCredsClass *ctcc = QCRYPTO_TLS_CREDS_CLASS(oc); + + ctcc->reload = qcrypto_tls_creds_x509_reload; ucc->complete = qcrypto_tls_creds_x509_complete; diff --git a/include/crypto/tlscreds.h b/include/crypto/tlscreds.h index 079e37604784..d0808e391e91 100644 --- a/include/crypto/tlscreds.h +++ b/include/crypto/tlscreds.h @@ -30,14 +30,15 @@ #define TYPE_QCRYPTO_TLS_CREDS "tls-creds" typedef struct QCryptoTLSCreds QCryptoTLSCreds; -DECLARE_INSTANCE_CHECKER(QCryptoTLSCreds, QCRYPTO_TLS_CREDS, - TYPE_QCRYPTO_TLS_CREDS) - typedef struct QCryptoTLSCredsClass QCryptoTLSCredsClass; +DECLARE_OBJ_CHECKERS(QCryptoTLSCreds, QCryptoTLSCredsClass, QCRYPTO_TLS_CREDS, + TYPE_QCRYPTO_TLS_CREDS) + #define QCRYPTO_TLS_CREDS_DH_PARAMS "dh-params.pem" +typedef bool (*CryptoTLSCredsReload)(QCryptoTLSCreds *, Error **); /** * QCryptoTLSCreds: * @@ -61,6 +62,7 @@ struct QCryptoTLSCreds { struct QCryptoTLSCredsClass { ObjectClass parent_class; + CryptoTLSCredsReload reload; };