From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 23 Jan 2025 18:09:58 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tb0iL-003X80-20 for lore@lore.pengutronix.de; Thu, 23 Jan 2025 18:09:58 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tb0iL-0003F6-O4 for lore@pengutronix.de; Thu, 23 Jan 2025 18:09:58 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pmylqfkWrt1eo/4TeKzzhOAydXofSCdlKbjjZiGWzc4=; b=gf2dIwixSPPLhufxuA2hhu8nlJ I869BtSsS7BlQdUUybapqMuUcC613BYe+jAtXYhiEP6wKh/h/phZzchWoQFR24/LcZoq71pVENqm/ Gs5DJvkF7Ov1HNnSgPEKFpZ5uATkDxGfddozyqexFaTX/2L3Hbrsclrxh+5y2amRTtaGfb6aLtasC DOnrfkhZng6JvvzMblIUqfoFATG/Qg7LqasHK6cKtWqdWQWb6savL+LBaMYhuk/tAc2hpZ/EAfo1f 2y5oyPO2T7VIxgvIgZBMWtZZbDZPZCj9wqygq6dWqMCkpPfiD0xmcvYkAIHicwUOY94peTM+pPxQb VxxLS65Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tb0hm-0000000CtFW-3QT9; Thu, 23 Jan 2025 17:09:22 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tb0hk-0000000CtF2-2HtK for barebox@lists.infradead.org; Thu, 23 Jan 2025 17:09:22 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tb0hh-00035E-JQ; Thu, 23 Jan 2025 18:09:17 +0100 Received: from pty.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::c5]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tb0hh-001Uej-1K; Thu, 23 Jan 2025 18:09:17 +0100 Received: from mfe by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1tb0hh-009cU3-11; Thu, 23 Jan 2025 18:09:17 +0100 Date: Thu, 23 Jan 2025 18:09:17 +0100 From: Marco Felsch To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: <20250123170917.oyeja5kb4azadh4a@pengutronix.de> References: <20250123161849.1933987-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250123161849.1933987-1-a.fatoum@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250123_090920_579391_C8DB0245 X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-6.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH master] environment: autoprobe environment only when CONFIG_INSECURE=y X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hi Ahmad, On 25-01-23, Ahmad Fatoum wrote: > As things are, secure booting systems are expected to disable > CONFIG_ENV_HANDLING to avoid their behavior changing due to a barebox > environment loaded at runtime. > > Still, some users may want to keep CONFIG_ENV_HANDLING enabled, but > activated only selectively. For those users, barebox autoprobing block > devices for a GPT partition with the matching UUID is undesirable. Good catch! > Therefore, allow disabling this autoprobe behavior via a globalvar. > To balance convenience against security, the default for the globalvar > will depend on whether the CONFIG_INSECURE option is set. A global INSECURE option like OP-TEE does seems reasonable to avoid flooding the Kconfig. > Signed-off-by: Ahmad Fatoum Reviewed-by: Marco Felsch