From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 21 Apr 2026 12:30:07 +0200 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 1wF8Mp-00EgUZ-1G for lore@lore.pengutronix.de; Tue, 21 Apr 2026 12:30:07 +0200 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 1wF8Mo-0006h7-LZ for lore@pengutronix.de; Tue, 21 Apr 2026 12:30:07 +0200 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:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=cEpew/1BqNk65wPpftmN+7tSabXl8uxqhzapGL6+jgU=; b=QGWFLwHhYp3/aWGKDTJScJjLPY eVZJfS+8aDJCXMfz5Pj/GGNHMOfBkyYkfoh17L9wvATrMkyfB0x61Glod9UucxQhEhIIakNwpOTv/ eNA74vS4ylZdcXr0990YcHqH+olje1cuuFzyCS1jtXPjE0JlziR2wSVr0wst7MMKm7el8+1mgH6cL VWVYWq1AWDi2fy5ZB7ib97vBHoOH94liu8+QkqEEpi3nCUncRAGaaFYBmeC51/tYpjaqmm7Y0Gczf r5ZVKHqXw6PRILILzQ3lFhC/o+j7feFvQ/xxU4AuO4QpAszF+Y8009Ywz+OQCY7lAWI2g3tSfgHhD W92c1VJg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wF8MQ-00000008RGo-3sGX; Tue, 21 Apr 2026 10:29:42 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wF8MK-00000008RBa-124t for barebox@lists.infradead.org; Tue, 21 Apr 2026 10:29:39 +0000 Received: from dude06.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::5c]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wF8MI-0006MC-Nb; Tue, 21 Apr 2026 12:29:34 +0200 From: Fabian Pflug Date: Tue, 21 Apr 2026 12:29:34 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260421-v2026-02-0-topic-sconfig_console-v8-5-261cdfc6b0da@pengutronix.de> References: <20260421-v2026-02-0-topic-sconfig_console-v8-0-261cdfc6b0da@pengutronix.de> In-Reply-To: <20260421-v2026-02-0-topic-sconfig_console-v8-0-261cdfc6b0da@pengutronix.de> To: BAREBOX , Sascha Hauer Cc: Fabian Pflug X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260421_032936_432576_7B64412B X-CRM114-Status: GOOD ( 13.19 ) 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=-4.0 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: [PATCH v8 5/7] common: bootm: add policy to commandline 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) If security policies are used, then the variable bootm.provide_policy can be set to automatically append the currently selected security policy to the kernel commandline with the prefix barebox.security.policy= This allows the system to behave differently based on the selected security policy. Signed-off-by: Fabian Pflug --- common/bootm.c | 24 ++++++++++++++++++++++++ include/bootm.h | 5 +++++ 2 files changed, 29 insertions(+) diff --git a/common/bootm.c b/common/bootm.c index 371d86ae0b..703b55a38f 100644 --- a/common/bootm.c +++ b/common/bootm.c @@ -20,6 +20,7 @@ #include #include #include +#include static LIST_HEAD(handler_list); static struct sconfig_notifier_block sconfig_notifier; @@ -71,6 +72,7 @@ static int bootm_dryrun; static int bootm_earlycon; static int bootm_provide_machine_id; static int bootm_provide_hostname; +static int bootm_provide_policy; static int bootm_verbosity; static int bootm_efi_mode = BOOTM_EFI_AVAILABLE; @@ -93,6 +95,7 @@ void bootm_data_init_defaults(struct bootm_data *data) data->appendroot = bootm_appendroot; data->provide_machine_id = bootm_provide_machine_id; data->provide_hostname = bootm_provide_hostname; + data->provide_policy = bootm_provide_policy; data->verbose = bootm_verbosity; data->dryrun = bootm_dryrun; data->efi_boot = bootm_efi_mode; @@ -114,6 +117,7 @@ void bootm_data_restore_defaults(const struct bootm_data *data) bootm_appendroot = data->appendroot; bootm_provide_machine_id = data->provide_machine_id; bootm_provide_hostname = data->provide_hostname; + bootm_provide_policy = data->provide_policy; bootm_verbosity = data->verbose; bootm_dryrun = data->dryrun; bootm_efi_mode = data->efi_boot; @@ -715,6 +719,21 @@ struct image_data *bootm_boot_prep(const struct bootm_data *bootm_data) free(hostname_bootarg); } + if (IS_ENABLED(CONFIG_SECURITY_POLICY) && bootm_data->provide_policy) { + char *policy_bootargs; + const struct security_policy *active_policy = security_policy_get_active(); + + if (!active_policy) { + pr_err("Providing policy is enabled but no policy is selected\n"); + ret = -EINVAL; + goto err_out; + } + + policy_bootargs = basprintf("barebox.security.policy=%s", active_policy->name); + globalvar_add_simple("linux.bootargs.dyn.policy", policy_bootargs); + free(policy_bootargs); + } + return data; err_out: bootm_boot_cleanup(data); @@ -846,6 +865,8 @@ static int bootm_init(void) globalvar_add_simple_bool("bootm.earlycon", &bootm_earlycon); globalvar_add_simple_bool("bootm.provide_machine_id", &bootm_provide_machine_id); globalvar_add_simple_bool("bootm.provide_hostname", &bootm_provide_hostname); + if (IS_ENABLED(CONFIG_SECURITY_POLICY)) + globalvar_add_simple_bool("bootm.provide_policy", &bootm_provide_policy); if (IS_ENABLED(CONFIG_BOOTM_INITRD)) { globalvar_add_simple("bootm.initrd", NULL); globalvar_add_simple("bootm.initrd.loadaddr", NULL); @@ -896,3 +917,6 @@ BAREBOX_MAGICVAR(global.bootm.root_dev, "bootm default root device (overrides de BAREBOX_MAGICVAR(global.bootm.root_param, "bootm root parameter name (normally 'root' for root=/dev/...)"); BAREBOX_MAGICVAR(global.bootm.provide_machine_id, "If true, append systemd.machine_id=$global.machine_id to Kernel command line"); BAREBOX_MAGICVAR(global.bootm.provide_hostname, "If true, append systemd.hostname=$global.hostname to Kernel command line"); +#ifdef CONFIG_SECURITY_POLICY +BAREBOX_MAGICVAR(global.bootm.provide_policy, "Add barebox.security.policy= option to Kernel"); +#endif diff --git a/include/bootm.h b/include/bootm.h index 85199fc702..1a556e1e95 100644 --- a/include/bootm.h +++ b/include/bootm.h @@ -47,6 +47,11 @@ struct bootm_data { * of global.hostname to Kernel. */ bool provide_hostname; + /* + * provide_policy - if true, try to add barebox.security.policy= with + * with value of currently selected policy + */ + bool provide_policy; enum bootm_efi_mode efi_boot; unsigned long initrd_address; unsigned long os_address; -- 2.47.3