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[97.113.188.82]) by smtp.gmail.com with ESMTPSA id m64sm25593889pfi.149.2019.03.12.23.26.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Mar 2019 23:26:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=URg26ke8pptD4/rvcTYVkJk/irN25dGRogOZ9l3dOw0=; b=dS3FAoHELYL2MV7G8GTDTECXtKyskTPhm7ft1GWJOmlWOIQDNn6jJSCfiRbMslmTLC M78c5niYkIWlgclhWl8FwbIvdKSJIAU54Q9YQoNO+z+K0qQYqmDlknryBn/FyRGKyrUH Ep1C9cZ98DAjndiJ/HumttR/4BZZnUqQyWJR5OTkfzmk8aYvP5Vo0nRS042feD7/yGD7 PDYls+zQTRyYq1/nBhsQ+AtQby9R3N0AyHJuvxnQ3zYrNwlRFO7ID2iaPit5cEq5AG9n e9wP7XL8KSLwrn6G3cR5tZ3hBQHnkCp1JFfK5NdjWinruCBacnDcB9n+wpAeDOzdaxSd qBXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=URg26ke8pptD4/rvcTYVkJk/irN25dGRogOZ9l3dOw0=; b=eMdKg0p99fdmhp19GphDs+fjOblTjqDT3jYE4pZdQxj/y+roAbucpIygUs8fdtEkm/ OOMP1r8mYgC+Z6GOjiZJ/o0itvg7AgAAfY/Nnd0udojxCACAwft79A71ABUChxiipM3U RKnXsG/pS8jPjnVRZNY6+zOX6OmphHBtjG1JYBhb1TfnZDNXr3Xle3bqqXe6suF2oepx qShOxxYqowA6GrzGl+bfJgQU5FTduUEt3NPrBnHFiJpAIq5Eka6dPs5piobQ4bVCkubm QN9Ck8H/3s2AryiABYT/MlxS/gFNQccZQPvksuaoPX6Q2dZtqEeyJl754cAmfFAM/KX1 mv8g== X-Gm-Message-State: APjAAAUb4MAqfhZnSME+Uo/Y6yt8EPZq6icCZ1ewYFaUXyGoTawnuQI4 RwCdECdkMaN10eGcUzcVaaZ4kJYw/5k= X-Google-Smtp-Source: APXvYqxoMzTtJjqDQrCtmpeLZxrDsR7PBd9ua6fwereVu7vyNg1nNoZhkUo9mW4mBk5/h2jaAjm5Hw== X-Received: by 2002:a63:fd03:: with SMTP id d3mr38012133pgh.359.1552458399765; Tue, 12 Mar 2019 23:26:39 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 12 Mar 2019 23:26:29 -0700 Message-Id: <20190313062630.30568-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190313062630.30568-1-richard.henderson@linaro.org> References: <20190313062630.30568-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::444 Subject: [Qemu-devel] [PATCH for-4.1 6/7] ui/vnc: Use qemu_getrandom for make_challenge X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, david@redhat.com, laurent@vivier.eu, armbru@redhat.com, kraxel@redhat.com, pbonzini@redhat.com, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Use a better interface for random numbers than rand, plus some useless floating point arithmetic. Signed-off-by: Richard Henderson Reviewed-by: Gerd Hoffmann --- ui/vnc.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/ui/vnc.c b/ui/vnc.c index 1871422e1d..cbdfa37c52 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -46,6 +46,7 @@ #include "qom/object_interfaces.h" #include "qemu/cutils.h" #include "io/dns-resolver.h" +#include "qemu/random.h" =20 #define VNC_REFRESH_INTERVAL_BASE GUI_REFRESH_INTERVAL_DEFAULT #define VNC_REFRESH_INTERVAL_INC 50 @@ -2537,12 +2538,7 @@ void start_client_init(VncState *vs) =20 static void make_challenge(VncState *vs) { - int i; - - srand(time(NULL)+getpid()+getpid()*987654+rand()); - - for (i =3D 0 ; i < sizeof(vs->challenge) ; i++) - vs->challenge[i] =3D (int) (256.0*rand()/(RAND_MAX+1.0)); + qemu_getrandom(vs->challenge, sizeof(vs->challenge), false); } =20 static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t le= n) --=20 2.17.1