From patchwork Wed Sep 15 16:23:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_G=C3=B6ttsche?= X-Patchwork-Id: 12496671 X-Patchwork-Delegate: paul@paul-moore.com 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 1DE28C433F5 for ; Wed, 15 Sep 2021 16:24:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08EE761216 for ; Wed, 15 Sep 2021 16:24:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230304AbhIOQZi (ORCPT ); Wed, 15 Sep 2021 12:25:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230405AbhIOQZc (ORCPT ); Wed, 15 Sep 2021 12:25:32 -0400 Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46B86C0613D8 for ; Wed, 15 Sep 2021 09:24:00 -0700 (PDT) Received: by mail-ed1-x52e.google.com with SMTP id g21so5704965edw.4 for ; Wed, 15 Sep 2021 09:24:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20210112; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=8L1ObEbhewVu5Z9L+F5pzMdKDppRrP8OC4GS9huW5tg=; b=hR7XWEFYJgEALLGJNOqB0F2cbk7SgsXdibmukCsOBrXOfgnf0K1jW2SvX2W8/REsIJ j/Rg/9YB5rPc95AgYzWw0j+iyQB2RtyqAkHKJ23Xu4ZF+zFdeKhWCRMkbOGmKG24XlDZ u6M1qArSkDMmlqZb85Bm3o+SAAJwp1AKmqEYFsFVukvISgkszZV7lXZqyVCaNU6EoZmn oB2cwAo8GRULNHeVUExTW+dnyPGlyoOcC5lq7n5/FdAuj7jtRDrxVLPI+BqExSduzUyO c4F17gAIb9LgCuHFeSEtDNq3sVBXeRHXMEVI9oqh+gblLvWl/m4VACrWtAPMCNd53pYz SsNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=8L1ObEbhewVu5Z9L+F5pzMdKDppRrP8OC4GS9huW5tg=; b=JRS0IJPGGARh+HHWEtLFTeAxqbfC66cnIhwJ0ia5j2TGK6GM831QoX4bZo2FwyacOJ u2CUKnxUPR3o1r9DZhhW43oPBvXzwCXwmxM72tnypZiMZkAMBvfk3TrUjSQRTX6lqB+F ODPtjHyZWMiIiKzXnulWvGVFcVieKzOjv3QBBl2ij6gB/TVSeu+l0J5Mg3pfxzP4Fyft 9Xy7t1O2JttmFV+32SWWv3xpSb1su96b/5yb7L1cw2txcfBBpX6hp7gTJcVbGF9A3fuP dSfzwuYkPKBmmFYKbDF3zCaQQI1y+3X5CfZdgsgbiHYbP55rXtvQIcVQ4mgXEv7p3kOV 7nMg== X-Gm-Message-State: AOAM532RU3S2rt9K9H+2k7Nigi8IfFF4XGFrPiM+i26v+UlzGNcA1hfO lHwV51ywYoKFowQT839BejibWYk6CSg= X-Google-Smtp-Source: ABdhPJx3rntDXISX2moUzlJMKri4GvivfbdRy5GftVRFmTQIkf2r5ym+7Vo5NMfIYCfupTQ8U+7r1A== X-Received: by 2002:a17:906:b46:: with SMTP id v6mr888926ejg.262.1631723038827; Wed, 15 Sep 2021 09:23:58 -0700 (PDT) Received: from debianHome.localdomain (dynamic-095-112-239-251.95.112.pool.telefonica.de. [95.112.239.251]) by smtp.gmail.com with ESMTPSA id x25sm192699ejy.46.2021.09.15.09.23.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Sep 2021 09:23:58 -0700 (PDT) From: =?utf-8?q?Christian_G=C3=B6ttsche?= To: selinux@vger.kernel.org Subject: [PATCH] selinux: enable genfscon labeling for securityfs Date: Wed, 15 Sep 2021 18:23:26 +0200 Message-Id: <20210915162326.392808-1-cgzones@googlemail.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: selinux@vger.kernel.org Add support for genfscon per-file labeling of securityfs files. This allows for separate labels and therby permissions for different files, e.g. /sys/kernel/security/integrity/ima/policy. Signed-off-by: Christian Göttsche --- security/selinux/hooks.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 6517f221d52c..a18626424731 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -760,7 +760,8 @@ static int selinux_set_mnt_opts(struct super_block *sb, !strcmp(sb->s_type->name, "tracefs") || !strcmp(sb->s_type->name, "binder") || !strcmp(sb->s_type->name, "bpf") || - !strcmp(sb->s_type->name, "pstore")) + !strcmp(sb->s_type->name, "pstore") || + !strcmp(sb->s_type->name, "securityfs")) sbsec->flags |= SE_SBGENFS; if (!strcmp(sb->s_type->name, "sysfs") ||