From patchwork Mon Aug 29 17:03:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Konstantin Meskhidze (A)" X-Patchwork-Id: 12958218 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 E7D47C6FA83 for ; Mon, 29 Aug 2022 17:04:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231205AbiH2REN (ORCPT ); Mon, 29 Aug 2022 13:04:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230196AbiH2REM (ORCPT ); Mon, 29 Aug 2022 13:04:12 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 697809BB4F; Mon, 29 Aug 2022 10:04:11 -0700 (PDT) Received: from fraeml736-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4MGcGH4FRvz686pS; Tue, 30 Aug 2022 01:03:35 +0800 (CST) Received: from lhrpeml500004.china.huawei.com (7.191.163.9) by fraeml736-chm.china.huawei.com (10.206.15.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 29 Aug 2022 19:04:08 +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 15.1.2375.24; Mon, 29 Aug 2022 18:04:07 +0100 From: Konstantin Meskhidze To: CC: , , , , , , , Subject: [PATCH v7 00/18] Network support for Landlock Date: Tue, 30 Aug 2022 01:03:43 +0800 Message-ID: <20220829170401.834298-1-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 V7 patch related to Landlock LSM network confinement. It is based on the landlock's -next branch on top of v5.19 kernel version: https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/log/?h=next It brings refactoring of previous patch version V6 and based on Mickaёl's two commits in -tmp-net branch: https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/commit/?id=8f4104b3dc59e7f110c9b83cdf034d010a2d006f https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/commit/?id=7d6cf40a6f81adf607ad3cc17aaa11e256beeea4 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: 61/61 tests passed. 4. ptrace_test: 8/8 tests passed. LCOV - code coverage report: Hit Total Coverage Lines: 952 1010 94.2 % Functions: 79 82 96.3 % Previous versions: 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 (18): landlock: rename access mask landlock: refactor landlock_find_rule/insert_rule landlock: refactor merge/inherit_ruleset functions landlock: move helper functions landlock: refactor helper functions landlock: refactor landlock_add_rule syscall landlock: user space API network support landlock: add network rules support landlock: implement TCP network hooks seltests/landlock: move helper function seltests/landlock: add tests for bind() hooks seltests/landlock: add tests for connect() hooks seltests/landlock: add AF_UNSPEC family test seltests/landlock: add rules overlapping test seltests/landlock: add ruleset expanding test seltests/landlock: add invalid input data test samples/landlock: add network demo landlock: Document Landlock's network support Documentation/userspace-api/landlock.rst | 84 ++- include/uapi/linux/landlock.h | 49 ++ samples/landlock/sandboxer.c | 123 ++- security/landlock/Kconfig | 1 + security/landlock/Makefile | 2 + security/landlock/fs.c | 144 +--- security/landlock/limits.h | 7 +- security/landlock/net.c | 161 ++++ security/landlock/net.h | 26 + security/landlock/ruleset.c | 369 +++++++-- security/landlock/ruleset.h | 136 +++- security/landlock/setup.c | 2 + security/landlock/syscalls.c | 168 +++-- tools/testing/selftests/landlock/common.h | 10 + tools/testing/selftests/landlock/config | 4 + tools/testing/selftests/landlock/fs_test.c | 10 - tools/testing/selftests/landlock/net_test.c | 786 ++++++++++++++++++++ 17 files changed, 1796 insertions(+), 286 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