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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1762177183; 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=g+2AHSD/fhP8MDATc3HkDzZRbF7kdmX3uQ7pOxTFOpI=; b=fPbAsS2tlNO2gf6pXmg+A6Nj70M4352wUIYcumbcK9EzvPLJ91w15dlAtpcuqQ5xjxeVnA yKGh+Iky5r3RFBldQJ2yWUJuzSnrJu27ghMNJ6et1dJOO8i16XP96S7ekZjeT7YpI6oX9X nSMMf31lUwjdiUEDc9uUTY6xmmFVSwc= X-MC-Unique: NijYfoOQOQqlPlV23YSwqw-1 X-Mimecast-MFC-AGG-ID: NijYfoOQOQqlPlV23YSwqw_1762177177 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 17/32] crypto: use g_autofree when loading x509 credentials Date: Mon, 3 Nov 2025 13:37:11 +0000 Message-ID: <20251103133727.423041-18-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: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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_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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1762177329723154100 This allows removal of goto jumps during loading of the credentials and will simplify the diff in following commits. Reviewed-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Daniel P. Berrang=C3=A9 --- crypto/tlscredsx509.c | 38 ++++++++++++++++---------------------- 1 file changed, 16 insertions(+), 22 deletions(-) diff --git a/crypto/tlscredsx509.c b/crypto/tlscredsx509.c index 8fe6cc8e93..6640159a5b 100644 --- a/crypto/tlscredsx509.c +++ b/crypto/tlscredsx509.c @@ -562,10 +562,12 @@ static int qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds, Error **errp) { - char *cacert =3D NULL, *cacrl =3D NULL, *cert =3D NULL, - *key =3D NULL, *dhparams =3D NULL; + g_autofree char *cacert =3D NULL; + g_autofree char *cacrl =3D NULL; + g_autofree char *cert =3D NULL; + g_autofree char *key =3D NULL; + g_autofree char *dhparams =3D NULL; int ret; - int rv =3D -1; =20 if (!creds->parent_obj.dir) { error_setg(errp, "Missing 'dir' property value"); @@ -590,7 +592,7 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds, qcrypto_tls_creds_get_path(&creds->parent_obj, QCRYPTO_TLS_CREDS_DH_PARAMS, false, &dhparams, errp) < 0) { - goto cleanup; + return -1; } } else { if (qcrypto_tls_creds_get_path(&creds->parent_obj, @@ -602,7 +604,7 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds, qcrypto_tls_creds_get_path(&creds->parent_obj, QCRYPTO_TLS_CREDS_X509_CLIENT_KEY, false, &key, errp) < 0) { - goto cleanup; + return -1; } } =20 @@ -610,14 +612,14 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *cred= s, qcrypto_tls_creds_x509_sanity_check(creds, creds->parent_obj.endpoint =3D=3D QCRYPTO_TLS_CREDS_ENDPOINT_S= ERVER, cacert, cert, errp) < 0) { - goto cleanup; + return -1; } =20 ret =3D gnutls_certificate_allocate_credentials(&creds->data); if (ret < 0) { error_setg(errp, "Cannot allocate credentials: '%s'", gnutls_strerror(ret)); - goto cleanup; + return -1; } =20 ret =3D gnutls_certificate_set_x509_trust_file(creds->data, @@ -626,16 +628,16 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *cred= s, if (ret < 0) { error_setg(errp, "Cannot load CA certificate '%s': %s", cacert, gnutls_strerror(ret)); - goto cleanup; + return -1; } =20 if (cert !=3D NULL && key !=3D NULL) { - char *password =3D NULL; + g_autofree char *password =3D NULL; if (creds->passwordid) { password =3D qcrypto_secret_lookup_as_utf8(creds->passwordid, errp); if (!password) { - goto cleanup; + return -1; } } ret =3D gnutls_certificate_set_x509_key_file2(creds->data, @@ -643,11 +645,10 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *cred= s, GNUTLS_X509_FMT_PEM, password, 0); - g_free(password); if (ret < 0) { error_setg(errp, "Cannot load certificate '%s' & key '%s': %s", cert, key, gnutls_strerror(ret)); - goto cleanup; + return -1; } } =20 @@ -658,7 +659,7 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds, if (ret < 0) { error_setg(errp, "Cannot load CRL '%s': %s", cacrl, gnutls_strerror(ret)); - goto cleanup; + return -1; } } =20 @@ -666,20 +667,13 @@ qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *cred= s, if (qcrypto_tls_creds_get_dh_params_file(&creds->parent_obj, dhpar= ams, &creds->parent_obj.dh_par= ams, errp) < 0) { - goto cleanup; + return -1; } gnutls_certificate_set_dh_params(creds->data, creds->parent_obj.dh_params); } =20 - rv =3D 0; - cleanup: - g_free(cacert); - g_free(cacrl); - g_free(cert); - g_free(key); - g_free(dhparams); - return rv; + return 0; } =20 =20 --=20 2.51.1