From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from forward103j.mail.yandex.net (forward103j.mail.yandex.net [5.45.198.246]) by sourceware.org (Postfix) with ESMTPS id F059A385483F for ; Fri, 24 Feb 2023 16:54:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org F059A385483F Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=yandex.ru Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=yandex.ru Received: from sas1-61ab5dc724a3.qloud-c.yandex.net (sas1-61ab5dc724a3.qloud-c.yandex.net [IPv6:2a02:6b8:c08:162d:0:640:61ab:5dc7]) by forward103j.mail.yandex.net (Yandex) with ESMTP id 0F3FE102A48 for ; Fri, 24 Feb 2023 19:54:09 +0300 (MSK) Received: by sas1-61ab5dc724a3.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id 7sTr1tFbZqM1-6l2cV4Ss; Fri, 24 Feb 2023 19:54:08 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1677257648; bh=2qJjZJBOOjn3lVYi9dT+c7b0FAP9tsugTAMrCj8BtDs=; h=Message-Id:Date:Cc:Subject:To:From; b=haPlz67a0JkFT6oGY+lhbBjA8ilLsNpoz6IAxJ6ocsObj1scdGtnltzls+oCCpNex 5VyfsgNgBxZO34SIU0WBID0Up+a1vM5uEtD++YWIWreWKngp9Iw/y2ScfO0Xo8jz/4 6ELOmkdWpj1myMapwZoCqct8iJHVyKBDrVkwIP6I= Authentication-Results: sas1-61ab5dc724a3.qloud-c.yandex.net; dkim=pass header.i=@yandex.ru From: Stas Sergeev To: libc-alpha@sourceware.org Cc: Stas Sergeev Subject: [PATCH v3 0/2] minimal run-time audit support Date: Fri, 24 Feb 2023 21:53:58 +0500 Message-Id: <20230224165400.3417104-1-stsp2@yandex.ru> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,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 List-Id: Changes in v3: address the review comment of Jonathon Anderson: Disable 3 audit call-backs for dynamically loaded modules. Namely symbind, pltenter, pltexit. Extend test-case to make sure they are not resolved and not called. Changes in v2: address the review comment of Jonathon Anderson: Add per-linkmap l_naudit counter to make sure each object is audited only with the modules loaded before it. That avoids the possibility of getting the "unrecognized" cookie. Test-case was enhanced to check for unrecognized cookies. 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. -- 2.37.2