From patchwork Mon Jan 16 08:58:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Konstantin Meskhidze (A)" X-Patchwork-Id: 13102767 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54FF5C46467 for ; Mon, 16 Jan 2023 09:00:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232396AbjAPJAD (ORCPT ); Mon, 16 Jan 2023 04:00:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232476AbjAPI7i (ORCPT ); Mon, 16 Jan 2023 03:59:38 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC6C21631E; Mon, 16 Jan 2023 00:58:25 -0800 (PST) Received: from lhrpeml500004.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4NwQpX6rpvz67wqY; Mon, 16 Jan 2023 16:55:32 +0800 (CST) Received: from mscphis00759.huawei.com (10.123.66.134) by lhrpeml500004.china.huawei.com (7.191.163.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Mon, 16 Jan 2023 08:58:22 +0000 From: Konstantin Meskhidze To: CC: , , , , , , Subject: [PATCH v9 00/12] Network support for Landlock Date: Mon, 16 Jan 2023 16:58:06 +0800 Message-ID: <20230116085818.165539-1-konstantin.meskhidze@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.123.66.134] X-ClientProxiedBy: mscpeml100002.china.huawei.com (7.188.26.75) To lhrpeml500004.china.huawei.com (7.191.163.9) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi, This is a new V9 patch related to Landlock LSM network confinement. It is based on the landlock's -next branch on top of v6.2-rc3 kernel version: https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/log/?h=next It brings refactoring of previous patch version V8. Mostly there are fixes of logic and typos, adding new tests. All test were run in QEMU evironment and compiled with -static flag. 1. network_test: 32/32 tests passed. 2. base_test: 7/7 tests passed. 3. fs_test: 78/78 tests passed. 4. ptrace_test: 8/8 tests passed. Previous versions: v8: https://lore.kernel.org/linux-security-module/20221021152644.155136-1-konstantin.meskhidze@huawei.com/ v7: https://lore.kernel.org/linux-security-module/20220829170401.834298-1-konstantin.meskhidze@huawei.com/ v6: https://lore.kernel.org/linux-security-module/20220621082313.3330667-1-konstantin.meskhidze@huawei.com/ v5: https://lore.kernel.org/linux-security-module/20220516152038.39594-1-konstantin.meskhidze@huawei.com v4: https://lore.kernel.org/linux-security-module/20220309134459.6448-1-konstantin.meskhidze@huawei.com/ v3: https://lore.kernel.org/linux-security-module/20220124080215.265538-1-konstantin.meskhidze@huawei.com/ v2: https://lore.kernel.org/linux-security-module/20211228115212.703084-1-konstantin.meskhidze@huawei.com/ v1: https://lore.kernel.org/linux-security-module/20211210072123.386713-1-konstantin.meskhidze@huawei.com/ Konstantin Meskhidze (11): landlock: Make ruleset's access masks more generic landlock: Refactor landlock_find_rule/insert_rule landlock: Refactor merge/inherit_ruleset functions landlock: Move and rename umask_layers() and init_layer_masks() landlock: Refactor _unmask_layers() and _init_layer_masks() landlock: Refactor landlock_add_rule() syscall landlock: Add network rules and TCP hooks support selftests/landlock: Share enforce_ruleset() selftests/landlock: Add 10 new test suites dedicated to network samples/landlock: Add network demo landlock: Document Landlock's network support Mickaël Salaün (1): landlock: Allow filesystem layout changes for domains without such rule type Documentation/userspace-api/landlock.rst | 72 +- include/uapi/linux/landlock.h | 49 + samples/landlock/sandboxer.c | 131 +- security/landlock/Kconfig | 1 + security/landlock/Makefile | 2 + security/landlock/fs.c | 255 ++-- security/landlock/limits.h | 7 +- security/landlock/net.c | 200 +++ security/landlock/net.h | 26 + security/landlock/ruleset.c | 409 +++++-- security/landlock/ruleset.h | 185 ++- security/landlock/setup.c | 2 + security/landlock/syscalls.c | 165 ++- tools/testing/selftests/landlock/base_test.c | 2 +- tools/testing/selftests/landlock/common.h | 10 + tools/testing/selftests/landlock/config | 4 + tools/testing/selftests/landlock/fs_test.c | 75 +- tools/testing/selftests/landlock/net_test.c | 1157 ++++++++++++++++++ 18 files changed, 2398 insertions(+), 354 deletions(-) create mode 100644 security/landlock/net.c create mode 100644 security/landlock/net.h create mode 100644 tools/testing/selftests/landlock/net_test.c