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Tue, 26 Jul 2022 08:51:52 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 193.8.40.94) smtp.mailfrom=leica-geosystems.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=leica-geosystems.com; Received-SPF: Pass (protection.outlook.com: domain of leica-geosystems.com designates 193.8.40.94 as permitted sender) receiver=protection.outlook.com; client-ip=193.8.40.94; helo=aherlnxbspsrv01.lgs-net.com; pr=C Received: from aherlnxbspsrv01.lgs-net.com (193.8.40.94) by AM5EUR02FT086.mail.protection.outlook.com (10.152.9.4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5458.17 via Frontend Transport; Tue, 26 Jul 2022 08:51:52 +0000 From: Johannes Schneider To: openembedded-core@lists.openembedded.org CC: Johannes Schneider Subject: [PATCH] classes: rootfs-postcommands: autologin root on serial-getty Date: Tue, 26 Jul 2022 10:51:39 +0200 Message-ID: <20220726085139.464795-1-johannes.schneider@leica-geosystems.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 361bb23f-d2fb-4f51-efac-08da6ee415a4 X-MS-TrafficTypeDiagnostic: DB9PR06MB8188:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: leica-geosystems.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2022 08:51:52.0207 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 361bb23f-d2fb-4f51-efac-08da6ee415a4 X-MS-Exchange-CrossTenant-Id: 1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a;Ip=[193.8.40.94];Helo=[aherlnxbspsrv01.lgs-net.com] X-MS-Exchange-CrossTenant-AuthSource: AM5EUR02FT086.eop-EUR02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR06MB8188 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 26 Jul 2022 08:52:12 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/168499 when debug-tweaks or empty-root-password are part of the IMAGE_FEATURES, save some of the developers time by not having to type the (then still sole) 'root' username on the serial consoleafter each and every reboot by inserting '--autologin root' into the command line of the responsible 'getty' service Signed-off-by: Johannes Schneider --- meta/classes/rootfs-postcommands.bbclass | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/meta/classes/rootfs-postcommands.bbclass b/meta/classes/rootfs-postcommands.bbclass index a8a952f31d..39992b101e 100644 --- a/meta/classes/rootfs-postcommands.bbclass +++ b/meta/classes/rootfs-postcommands.bbclass @@ -8,6 +8,9 @@ ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'deb # Allow dropbear/openssh to accept root logins if debug-tweaks or allow-root-login is enabled ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'debug-tweaks', 'allow-root-login' ], "ssh_allow_root_login; ", "",d)}' +# Autologin the root user on the serial console, if debug-tweaks or empty-root-password are active +ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'debug-tweaks', 'empty-root-password' ], "serial_autologin_root; ", "",d)}' + # Enable postinst logging if debug-tweaks or post-install-logging is enabled ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'debug-tweaks', 'post-install-logging' ], "postinst_enable_logging; ", "",d)}' @@ -196,6 +199,18 @@ ssh_allow_root_login () { fi } +# +# Autologin the 'root' user on the serial terminal, +# if empty-root-password is enabled +# +serial_root_autologin () { + if [ -e ${IMAGE_ROOTFS}${systemd_system_unitdir}/serial-getty@.service ]; then + sed -i '/^\s*ExecStart\b/ s/getty /&--autologin root /' \ + "${IMAGE_ROOTFS}${systemd_system_unitdir}/serial-getty@.service" + fi +} + + python sort_passwd () { import rootfspostcommands rootfspostcommands.sort_passwd(d.expand('${IMAGE_ROOTFS}${sysconfdir}'))