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 X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E86E0C433E6 for ; Fri, 19 Feb 2021 18:48:04 +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 6CD1164E86 for ; Fri, 19 Feb 2021 18:48:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CD1164E86 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42700 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lDAot-0008RE-HZ for qemu-devel@archiver.kernel.org; Fri, 19 Feb 2021 13:48:03 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35574) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lDAnA-00074y-Qe for qemu-devel@nongnu.org; Fri, 19 Feb 2021 13:46:16 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:28365) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lDAn6-0007di-Ek for qemu-devel@nongnu.org; Fri, 19 Feb 2021 13:46:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613760371; 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=BtXOAq6it1BcF5yzBIOic/BpRKe8WNEUHKw406Fxt4M=; b=N9TQfItHx8+Q6c2SIdLYmuAADr7ghmFsTkns8iKIo8Bsxw67lufCJRdx1aEiwePqByvArN OU5k8pKtJBpf2QChcYvyQaDfpM1z+4gfeqXdMhU7uFn7GGx3QnlP0NRyIS+IS6BnYxmBHh qtUjf/TDW5dor7MdKqruuG94z/t35qU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-278-_rWxJG7BNd6avcGKF56-Qw-1; Fri, 19 Feb 2021 13:46:09 -0500 X-MC-Unique: _rWxJG7BNd6avcGKF56-Qw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BD23D804023 for ; Fri, 19 Feb 2021 18:46:08 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-112-33.ams2.redhat.com [10.36.112.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id B087019D9B; Fri, 19 Feb 2021 18:46:06 +0000 (UTC) From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 1/4] ui: introduce "password-secret" option for VNC servers Date: Fri, 19 Feb 2021 18:45:53 +0000 Message-Id: <20210219184556.154972-2-berrange@redhat.com> In-Reply-To: <20210219184556.154972-1-berrange@redhat.com> References: <20210219184556.154972-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, 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: libvir-list@redhat.com, Markus Armbruster , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Gerd Hoffmann , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Currently when using VNC the "password" flag turns on password based authentication. The actual password has to be provided separately via the monitor. This introduces a "password-secret" option which lets the password be provided up front. $QEMU --object secret,id=vncsec0,file=passwd.txt \ --vnc localhost:0,password-secret=vncsec0 Signed-off-by: Daniel P. Berrangé --- qemu-options.hx | 5 +++++ ui/vnc.c | 23 ++++++++++++++++++++++- 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/qemu-options.hx b/qemu-options.hx index 6c34c7050f..893d0f500b 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2164,6 +2164,11 @@ SRST time to allow password to expire immediately or never expire. + ``password-secret=`` + Require that password based authentication is used for client + connections, using the password provided by the ``secret`` + object identified by ``secret-id``. + ``tls-creds=ID`` Provides the ID of a set of TLS credentials to use to secure the VNC server. They will apply to both the normal VNC server socket diff --git a/ui/vnc.c b/ui/vnc.c index 16bb3be770..77e07ac351 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -48,6 +48,7 @@ #include "crypto/tlscredsanon.h" #include "crypto/tlscredsx509.h" #include "crypto/random.h" +#include "crypto/secret_common.h" #include "qom/object_interfaces.h" #include "qemu/cutils.h" #include "qemu/help_option.h" @@ -3469,6 +3470,9 @@ static QemuOptsList qemu_vnc_opts = { },{ .name = "password", .type = QEMU_OPT_BOOL, + },{ + .name = "password-secret", + .type = QEMU_OPT_STRING, },{ .name = "reverse", .type = QEMU_OPT_BOOL, @@ -3941,6 +3945,7 @@ void vnc_display_open(const char *id, Error **errp) int lock_key_sync = 1; int key_delay_ms; const char *audiodev; + const char *passwordSecret; if (!vd) { error_setg(errp, "VNC display not active"); @@ -3958,7 +3963,23 @@ void vnc_display_open(const char *id, Error **errp) goto fail; } - password = qemu_opt_get_bool(opts, "password", false); + + passwordSecret = qemu_opt_get(opts, "password-secret"); + if (passwordSecret) { + if (qemu_opt_get(opts, "password")) { + error_setg(errp, + "'password' flag is redundant with 'password-secret'"); + goto fail; + } + vd->password = qcrypto_secret_lookup_as_utf8(passwordSecret, + errp); + if (!vd->password) { + goto fail; + } + password = true; + } else { + password = qemu_opt_get_bool(opts, "password", false); + } if (password) { if (fips_get_state()) { error_setg(errp, -- 2.29.2