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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760969573; 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=rwyeltibNzBtJsNdJOwERFp7vskY9/i6QuYMvBJOxMo=; b=ZIT68oTNNDSUHJvue85oT7SfBLT64JCasbfRp6klgh22DCS1PPeOu5mWjyTqD8f0+AC8i9 MuVBcqaZ8uGpejRw7hrOROYdK60S0Zs97JVUf5iuhQal1z6wEpycfPOwGsTOF0BdLqlc4X yCKTRZEvGa2gK/CoHTtZCrcotcW/SWk= X-MC-Unique: _4PR_Wa3MJ2UpDgXc7J_gg-1 X-Mimecast-MFC-AGG-ID: _4PR_Wa3MJ2UpDgXc7J_gg_1760969571 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?= , Eric Blake Subject: [PATCH v3 7/7] crypto: switch to newer gnutls API for distinguished name Date: Mon, 20 Oct 2025 15:12:37 +0100 Message-ID: <20251020141237.2621796-8-berrange@redhat.com> In-Reply-To: <20251020141237.2621796-1-berrange@redhat.com> References: <20251020141237.2621796-1-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 10.30.177.111 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=170.10.133.124; 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1760969633553158500 The new API automatically allocates the right amount of memory to hold the distinguished name, avoiding the need to loop and realloc. Reviewed-by: Eric Blake Signed-off-by: Daniel P. Berrang=C3=A9 --- crypto/tlssession.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/crypto/tlssession.c b/crypto/tlssession.c index ac38c2121d..00c7ab567b 100644 --- a/crypto/tlssession.c +++ b/crypto/tlssession.c @@ -409,20 +409,14 @@ qcrypto_tls_session_check_certificate(QCryptoTLSSessi= on *session, } =20 if (i =3D=3D 0) { - size_t dnameSize =3D 1024; - session->peername =3D g_malloc(dnameSize); - requery: - ret =3D gnutls_x509_crt_get_dn(cert, session->peername, &dname= Size); + gnutls_datum_t dname =3D {}; + ret =3D gnutls_x509_crt_get_dn2(cert, &dname); if (ret < 0) { - if (ret =3D=3D GNUTLS_E_SHORT_MEMORY_BUFFER) { - session->peername =3D g_realloc(session->peername, - dnameSize); - goto requery; - } error_setg(errp, "Cannot get client distinguished name: %s= ", gnutls_strerror(ret)); goto error; } + session->peername =3D (char *)g_steal_pointer(&dname.data); if (session->authzid) { bool allow; =20 --=20 2.50.1