From patchwork Fri Oct 21 15:26:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Konstantin Meskhidze (A)" X-Patchwork-Id: 13014923 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 A79FBC43217 for ; Fri, 21 Oct 2022 15:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230108AbiJUP0z (ORCPT ); Fri, 21 Oct 2022 11:26:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbiJUP0x (ORCPT ); Fri, 21 Oct 2022 11:26:53 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2FDD16EA39; Fri, 21 Oct 2022 08:26:52 -0700 (PDT) Received: from frapeml500002.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Mv7Z75xFXz6H74v; Fri, 21 Oct 2022 23:25:03 +0800 (CST) Received: from lhrpeml500004.china.huawei.com (7.191.163.9) by frapeml500002.china.huawei.com (7.182.85.205) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 21 Oct 2022 17:26:51 +0200 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 15.1.2375.31; Fri, 21 Oct 2022 16:26:50 +0100 From: Konstantin Meskhidze To: CC: , , , , , Subject: [PATCH v8 00/12] Network support for Landlock Date: Fri, 21 Oct 2022 23:26:32 +0800 Message-ID: <20221021152644.155136-1-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 V8 patch related to Landlock LSM network confinement. It is based on the landlock's -next branch on top of v6.1-rc1 kernel version: https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/log/?h=next It brings refactoring of previous patch version V7. Mostly there are minor fixes of logic and typos. All test were run in QEMU evironment and compiled with -static flag. 1. network_test: 18/18 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: 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 (12): landlock: Make ruleset's access masks more generic landlock: Refactor landlock_find_rule/insert_rule landlock: Refactor merge/inherit_ruleset functions landlock: Move unmask_layers() and init_layer_masks() landlock: Refactor unmask_layers() and init_layer_masks() landlock: Refactor landlock_add_rule() syscall landlock: Add network rules support landlock: Implement TCP network hooks 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 Documentation/userspace-api/landlock.rst | 72 +- include/uapi/linux/landlock.h | 49 ++ samples/landlock/sandboxer.c | 129 ++- security/landlock/Kconfig | 1 + security/landlock/Makefile | 2 + security/landlock/fs.c | 168 +--- security/landlock/limits.h | 7 +- security/landlock/net.c | 164 ++++ security/landlock/net.h | 26 + security/landlock/ruleset.c | 412 ++++++++-- security/landlock/ruleset.h | 176 +++- security/landlock/setup.c | 2 + security/landlock/syscalls.c | 163 ++-- 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 | 823 +++++++++++++++++++ 18 files changed, 1972 insertions(+), 313 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 --- 2.25.1