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Wed, 22 Sep 2021 02:09:24 +0000 From: Alex Henrie To: linux-integrity@vger.kernel.org, ltp@lists.linux.it, zohar@linux.ibm.com, pvorel@suse.cz, alexhenrie24@gmail.com Cc: Alex Henrie Subject: [PATCH ltp v5 2/3] IMA: Move ima_check to ima_setup.sh Date: Tue, 21 Sep 2021 20:08:00 -0600 Message-Id: <20210922020801.466936-2-alexh@vpitech.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210922020801.466936-1-alexh@vpitech.com> References: <20210922020801.466936-1-alexh@vpitech.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MW4PR04CA0222.namprd04.prod.outlook.com (2603:10b6:303:87::17) To MW2PR07MB3980.namprd07.prod.outlook.com (2603:10b6:907:a::32) MIME-Version: 1.0 Received: from demeter.ad.vpitech.com (66.60.105.30) by MW4PR04CA0222.namprd04.prod.outlook.com (2603:10b6:303:87::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.14 via Frontend Transport; Wed, 22 Sep 2021 02:09:23 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c2d49815-71c9-4763-8b6d-08d97d6dff6e X-MS-TrafficTypeDiagnostic: MWHPR07MB3149: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4714; 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then - algorithm=$(echo "$tmp" | cut -d'|' -f1) - digest=$(echo "$tmp" | cut -d'|' -f2) - else - tst_res TBROK "failed to get algorithm/digest for '$TEST_FILE': $tmp" - fi - - tst_res TINFO "computing digest for $algorithm algorithm" - expected_digest="$(compute_digest $algorithm $TEST_FILE)" || \ - tst_brk TCONF "cannot compute digest for $algorithm algorithm" - - if [ "$digest" = "$expected_digest" ]; then - tst_res TPASS "correct digest found" - else - tst_res TFAIL "digest not found" - fi -} - check_iversion_support() { local device mount fs diff --git a/testcases/kernel/security/integrity/ima/tests/ima_setup.sh b/testcases/kernel/security/integrity/ima/tests/ima_setup.sh index 9c25d634d..976c6a86c 100644 --- a/testcases/kernel/security/integrity/ima/tests/ima_setup.sh +++ b/testcases/kernel/security/integrity/ima/tests/ima_setup.sh @@ -188,6 +188,7 @@ ima_setup() if [ "$TST_NEEDS_DEVICE" = 1 ]; then tst_res TINFO "\$TMPDIR is on tmpfs => run on loop device" mount_loop_device + TEST_FILE="$PWD/test.txt" fi [ -n "$TST_SETUP_CALLER" ] && $TST_SETUP_CALLER @@ -279,6 +280,33 @@ get_algorithm_digest() echo "$algorithm|$digest" } +ima_check() +{ + local algorithm digest expected_digest line tmp + + # need to read file to get updated $ASCII_MEASUREMENTS + cat $TEST_FILE > /dev/null + + line="$(grep $TEST_FILE $ASCII_MEASUREMENTS | tail -1)" + + if tmp=$(get_algorithm_digest "$line"); then + algorithm=$(echo "$tmp" | cut -d'|' -f1) + digest=$(echo "$tmp" | cut -d'|' -f2) + else + tst_res TBROK "failed to get algorithm/digest for '$TEST_FILE': $tmp" + fi + + tst_res TINFO "computing digest for $algorithm algorithm" + expected_digest="$(compute_digest $algorithm $TEST_FILE)" || \ + tst_brk TCONF "cannot compute digest for $algorithm algorithm" + + if [ "$digest" = "$expected_digest" ]; then + tst_res TPASS "correct digest found" + else + tst_res TFAIL "digest not found" + fi +} + # check_evmctl REQUIRED_TPM_VERSION # return: 0: evmctl is new enough, 1: version older than required (or version < v0.9) check_evmctl() -- 2.33.0