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 832D3CCF9FE for ; Mon, 3 Nov 2025 13:43:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vFuoG-0001yW-4x; Mon, 03 Nov 2025 08:41:24 -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 1vFuoA-0001jC-6m for qemu-devel@nongnu.org; Mon, 03 Nov 2025 08:41:21 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vFuo0-0004ll-38 for qemu-devel@nongnu.org; Mon, 03 Nov 2025 08:41:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1762177265; 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=+4yftrUZg3uTbuzR4wx/X192jBUfkk4YqQFxscmreWM=; b=VLho1ssoA7fHAdP/yMkBZ3/UVSisHRIFvpOcWlU03/AlLKNszvaItI3i6YWfIUWjYEq/mZ rpFQZl3E+k8/9YlvKTPzJDAOUDZtGez2RwURZ+rIgPGoOdX3m+CIX4Hut6zxmfMv7rTxhg s2E1vP7MqnZ0Ta7IPfiq9VXD73wY+mQ= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-684-1-ARyqrvOja48pQXFC7CfQ-1; Mon, 03 Nov 2025 08:41:01 -0500 X-MC-Unique: 1-ARyqrvOja48pQXFC7CfQ-1 X-Mimecast-MFC-AGG-ID: 1-ARyqrvOja48pQXFC7CfQ_1762177260 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B3C6D1955F2E; Mon, 3 Nov 2025 13:41:00 +0000 (UTC) Received: from toolbx.redhat.com (unknown [10.42.28.202]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 52CEB1800578; Mon, 3 Nov 2025 13:40:54 +0000 (UTC) From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Fabiano Rosas , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , devel@lists.libvirt.org, Laurent Vivier Subject: [PULL 30/32] crypto: expand logic to cope with multiple certificate identities Date: Mon, 3 Nov 2025 13:37:24 +0000 Message-ID: <20251103133727.423041-31-berrange@redhat.com> In-Reply-To: <20251103133727.423041-1-berrange@redhat.com> References: <20251103133727.423041-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.133.124; 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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: 2.1.29 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 Currently only a single set of certificates can be loaded for a server / client. Certificates are created using a particular key algorithm and in some scenarios it can be useful to support multiple algorithms in parallel. This requires the ability to load multiple sets of certificates. Reviewed-by: Marc-André Lureau Signed-off-by: Daniel P. Berrangé --- crypto/tlscredsx509.c | 165 +++++++++++++++++++++++++++++------------- 1 file changed, 113 insertions(+), 52 deletions(-) diff --git a/crypto/tlscredsx509.c b/crypto/tlscredsx509.c index c016633d65..ecffde67c5 100644 --- a/crypto/tlscredsx509.c +++ b/crypto/tlscredsx509.c @@ -40,17 +40,23 @@ struct QCryptoTLSCredsX509 { #include +typedef struct QCryptoTLSCredsX509IdentFiles QCryptoTLSCredsX509IdentFiles; +struct QCryptoTLSCredsX509IdentFiles { + char *certpath; + char *keypath; + gnutls_x509_crt_t *certs; + unsigned int ncerts; + gnutls_x509_privkey_t key; +}; + typedef struct QCryptoTLSCredsX509Files QCryptoTLSCredsX509Files; struct QCryptoTLSCredsX509Files { char *cacertpath; gnutls_x509_crt_t *cacerts; unsigned int ncacerts; - char *certpath; - char *keypath; - gnutls_x509_crt_t *certs; - unsigned int ncerts; - gnutls_x509_privkey_t key; + QCryptoTLSCredsX509IdentFiles **identities; + size_t nidentities; }; static QCryptoTLSCredsX509Files * @@ -61,14 +67,9 @@ qcrypto_tls_creds_x509_files_new(void) static void -qcrypto_tls_creds_x509_files_free(QCryptoTLSCredsX509Files *files) +qcrypto_tls_creds_x509_ident_files_free(QCryptoTLSCredsX509IdentFiles *files) { size_t i; - for (i = 0; i < files->ncacerts; i++) { - gnutls_x509_crt_deinit(files->cacerts[i]); - } - g_free(files->cacerts); - g_free(files->cacertpath); for (i = 0; i < files->ncerts; i++) { gnutls_x509_crt_deinit(files->certs[i]); } @@ -79,6 +80,26 @@ qcrypto_tls_creds_x509_files_free(QCryptoTLSCredsX509Files *files) g_free(files); } +G_DEFINE_AUTOPTR_CLEANUP_FUNC(QCryptoTLSCredsX509IdentFiles, + qcrypto_tls_creds_x509_ident_files_free); + + +static void +qcrypto_tls_creds_x509_files_free(QCryptoTLSCredsX509Files *files) +{ + size_t i; + for (i = 0; i < files->ncacerts; i++) { + gnutls_x509_crt_deinit(files->cacerts[i]); + } + g_free(files->cacerts); + g_free(files->cacertpath); + for (i = 0; i < files->nidentities; i++) { + qcrypto_tls_creds_x509_ident_files_free(files->identities[i]); + } + g_free(files->identities); + g_free(files); +} + G_DEFINE_AUTOPTR_CLEANUP_FUNC(QCryptoTLSCredsX509Files, qcrypto_tls_creds_x509_files_free); @@ -573,33 +594,32 @@ qcrypto_tls_creds_load_privkey(QCryptoTLSCredsX509 *creds, static int -qcrypto_tls_creds_x509_sanity_check(QCryptoTLSCredsX509 *creds, - QCryptoTLSCredsX509Files *files, - bool isServer, - Error **errp) +qcrypto_tls_creds_x509_sanity_check_identity(QCryptoTLSCredsX509 *creds, + QCryptoTLSCredsX509Files *files, + QCryptoTLSCredsX509IdentFiles *ifiles, + bool isServer, + Error **errp) { size_t i; - for (i = 0; i < files->ncerts; i++) { + for (i = 0; i < ifiles->ncerts; i++) { if (qcrypto_tls_creds_check_cert(creds, - files->certs[i], files->certpath, + ifiles->certs[i], ifiles->certpath, isServer, i != 0, errp) < 0) { return -1; } } - if (files->ncerts && + if (ifiles->ncerts && qcrypto_tls_creds_check_authority_chain(creds, files, - files->certs, files->ncerts, + ifiles->certs, ifiles->ncerts, isServer, errp) < 0) { return -1; } - if (files->ncerts && - qcrypto_tls_creds_check_cert_pair(files, - files->certs, files->ncerts, - files->certpath, isServer, - errp) < 0) { + if (ifiles->ncerts && + qcrypto_tls_creds_check_cert_pair(files, ifiles->certs, ifiles->ncerts, + ifiles->certpath, isServer, errp) < 0) { return -1; } @@ -607,6 +627,26 @@ qcrypto_tls_creds_x509_sanity_check(QCryptoTLSCredsX509 *creds, } +static int +qcrypto_tls_creds_x509_sanity_check(QCryptoTLSCredsX509 *creds, + QCryptoTLSCredsX509Files *files, + bool isServer, + Error **errp) +{ + size_t i; + for (i = 0; i < files->nidentities; i++) { + if (qcrypto_tls_creds_x509_sanity_check_identity(creds, + files, + files->identities[i], + isServer, + errp) < 0) { + return -1; + } + } + return 0; +} + + static int qcrypto_tls_creds_x509_load_ca(QCryptoTLSCredsX509 *creds, QCryptoTLSCredsBox *box, @@ -642,48 +682,38 @@ qcrypto_tls_creds_x509_load_ca(QCryptoTLSCredsX509 *creds, } -static int +static QCryptoTLSCredsX509IdentFiles * qcrypto_tls_creds_x509_load_identity(QCryptoTLSCredsX509 *creds, QCryptoTLSCredsBox *box, - QCryptoTLSCredsX509Files *files, - bool isServer, + const char *certbase, + const char *keybase, + bool isOptional, Error **errp) { + g_autoptr(QCryptoTLSCredsX509IdentFiles) files = + g_new0(QCryptoTLSCredsX509IdentFiles, 1); int ret; - if (isServer) { - if (qcrypto_tls_creds_get_path(&creds->parent_obj, - QCRYPTO_TLS_CREDS_X509_SERVER_CERT, - true, &files->certpath, errp) < 0 || - qcrypto_tls_creds_get_path(&creds->parent_obj, - QCRYPTO_TLS_CREDS_X509_SERVER_KEY, - true, &files->keypath, errp) < 0) { - return -1; - } - } else { - if (qcrypto_tls_creds_get_path(&creds->parent_obj, - QCRYPTO_TLS_CREDS_X509_CLIENT_CERT, - false, &files->certpath, errp) < 0 || - qcrypto_tls_creds_get_path(&creds->parent_obj, - QCRYPTO_TLS_CREDS_X509_CLIENT_KEY, - false, &files->keypath, errp) < 0) { - return -1; - } + if (qcrypto_tls_creds_get_path(&creds->parent_obj, certbase, + !isOptional, &files->certpath, errp) < 0 || + qcrypto_tls_creds_get_path(&creds->parent_obj, keybase, + !isOptional, &files->keypath, errp) < 0) { + return NULL; } if (!files->certpath && !files->keypath) { - return 0; + return NULL; } if (files->certpath && !files->keypath) { error_setg(errp, "Cert '%s' without corresponding key", files->certpath); - return -1; + return NULL; } if (!files->certpath && files->keypath) { error_setg(errp, "Key '%s' without corresponding cert", files->keypath); - return -1; + return NULL; } if (qcrypto_tls_creds_load_cert_list(creds, @@ -691,14 +721,14 @@ qcrypto_tls_creds_x509_load_identity(QCryptoTLSCredsX509 *creds, &files->certs, &files->ncerts, errp) < 0) { - return -1; + return NULL; } if (qcrypto_tls_creds_load_privkey(creds, files->keypath, &files->key, errp) < 0) { - return -1; + return NULL; } ret = gnutls_certificate_set_x509_key(box->data.cert, @@ -708,8 +738,39 @@ qcrypto_tls_creds_x509_load_identity(QCryptoTLSCredsX509 *creds, if (ret < 0) { error_setg(errp, "Cannot set certificate '%s' & key '%s': %s", files->certpath, files->keypath, gnutls_strerror(ret)); + return NULL; + } + return g_steal_pointer(&files); +} + + +static int +qcrypto_tls_creds_x509_load_identities(QCryptoTLSCredsX509 *creds, + QCryptoTLSCredsBox *box, + QCryptoTLSCredsX509Files *files, + bool isServer, + Error **errp) +{ + QCryptoTLSCredsX509IdentFiles *ifiles; + + ifiles = qcrypto_tls_creds_x509_load_identity( + creds, box, + isServer ? + QCRYPTO_TLS_CREDS_X509_SERVER_CERT : + QCRYPTO_TLS_CREDS_X509_CLIENT_CERT, + isServer ? + QCRYPTO_TLS_CREDS_X509_SERVER_KEY : + QCRYPTO_TLS_CREDS_X509_CLIENT_KEY, + !isServer, errp); + if (!ifiles) { return -1; } + + files->identities = g_renew(QCryptoTLSCredsX509IdentFiles *, + files->identities, + files->nidentities + 1); + files->identities[files->nidentities++] = ifiles; + return 0; } @@ -752,8 +813,8 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds, return -1; } - if (qcrypto_tls_creds_x509_load_identity(creds, box, files, - isServer, errp) < 0) { + if (qcrypto_tls_creds_x509_load_identities(creds, box, files, + isServer, errp) < 0) { return -1; } -- 2.51.1