From patchwork Tue Feb 21 15:33:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: stsp X-Patchwork-Id: 55510 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 009803858284 for ; Tue, 21 Feb 2023 15:33:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 009803858284 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1676993626; bh=qftvzYfdSPEcWf7x1EDILfP2DsT4JmWh+rzSr+4ymjc=; h=To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=miEMl/iTEXLKSOMGIrTETknUH5Ntz0l86rlK1ofZphUmuqDTN3HjLWVDz0DpkQMqA ta0s6kj8od8scKHwsp9sHH69Z6lqB+w0rp+pE8xCaXPUjQsiyR4RddW0phXyYDKJGH V43hCBm46P9deyiUx1djbHqgM+j8FxpbOPutcE+g= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from forward103o.mail.yandex.net (forward103o.mail.yandex.net [37.140.190.177]) by sourceware.org (Postfix) with ESMTPS id 0EC8C3858C83 for ; Tue, 21 Feb 2023 15:33:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0EC8C3858C83 Received: from sas8-838e1e461505.qloud-c.yandex.net (sas8-838e1e461505.qloud-c.yandex.net [IPv6:2a02:6b8:c1b:28d:0:640:838e:1e46]) by forward103o.mail.yandex.net (Yandex) with ESMTP id 3355F10A9086 for ; Tue, 21 Feb 2023 18:33:21 +0300 (MSK) Received: by sas8-838e1e461505.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id IXsVkujaIa61-5HGqLq6h; Tue, 21 Feb 2023 18:33:20 +0300 X-Yandex-Fwd: 1 To: libc-alpha@sourceware.org Cc: Stas Sergeev Subject: [PATCH 0/2] minimal run-time audit support Date: Tue, 21 Feb 2023 20:33:05 +0500 Message-Id: <20230221153307.548259-1-stsp2@yandex.ru> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 X-Spam-Status: No, score=-3.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Stas Sergeev via Libc-alpha From: stsp Reply-To: Stas Sergeev Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" This patch-set introduces the bare minimum functionality for working with audit modules at run-time. Patch1 fixes the check in dlmopen() which avoids loading solibs into the auditing namespace. But RTLD_NOLOAD was forgotten to check, and with that flags nothing gets loaded into auditing namespace, so dlmopen() should succeed and return the handle for auditing object. Patch2 adds dlload_audit_module() function and a test-case for it. Stas Sergeev (2): elf/dl-open: fix audit wrt RTLD_NOLOAD [BZ #30127] dlfcn,elf: impl dlload_audit_module [BZ #30127] dlfcn/Makefile | 4 +- dlfcn/Versions | 3 + dlfcn/dlaudit.c | 62 ++++++++ elf/Makefile | 5 + elf/dl-audit.c | 46 +++--- elf/dl-fini.c | 2 +- elf/dl-load.c | 4 +- elf/dl-object.c | 2 +- elf/dl-open.c | 3 +- elf/dl-reloc.c | 4 +- elf/dl-runtime.c | 2 +- elf/dl-sym-post.h | 2 +- elf/do-rel.h | 4 +- elf/rtld.c | 44 ++++-- elf/tst-loadaudit.c | 133 ++++++++++++++++++ sysdeps/generic/ldsodefs.h | 11 +- sysdeps/mach/hurd/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 + sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 + sysdeps/unix/sysv/linux/arc/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/csky/libc.abilist | 1 + sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 + sysdeps/unix/sysv/linux/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 + .../sysv/linux/loongarch/lp64/libc.abilist | 1 + .../sysv/linux/m68k/coldfire/libc.abilist | 1 + .../unix/sysv/linux/m68k/m680x0/libc.abilist | 1 + .../sysv/linux/microblaze/be/libc.abilist | 1 + .../sysv/linux/microblaze/le/libc.abilist | 1 + .../sysv/linux/mips/mips32/fpu/libc.abilist | 1 + .../sysv/linux/mips/mips32/nofpu/libc.abilist | 1 + .../sysv/linux/mips/mips64/n32/libc.abilist | 1 + .../sysv/linux/mips/mips64/n64/libc.abilist | 1 + sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 + sysdeps/unix/sysv/linux/or1k/libc.abilist | 1 + .../linux/powerpc/powerpc32/fpu/libc.abilist | 1 + .../powerpc/powerpc32/nofpu/libc.abilist | 1 + .../linux/powerpc/powerpc64/be/libc.abilist | 1 + .../linux/powerpc/powerpc64/le/libc.abilist | 1 + .../unix/sysv/linux/riscv/rv32/libc.abilist | 1 + .../unix/sysv/linux/riscv/rv64/libc.abilist | 1 + .../unix/sysv/linux/s390/s390-32/libc.abilist | 1 + .../unix/sysv/linux/s390/s390-64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/le/libc.abilist | 1 + .../sysv/linux/sparc/sparc32/libc.abilist | 1 + .../sysv/linux/sparc/sparc64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 51 files changed, 313 insertions(+), 53 deletions(-) create mode 100644 dlfcn/dlaudit.c create mode 100644 elf/tst-loadaudit.c