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Thu, 9 Sep 2021 16:51:34 +0000 From: Alex Henrie To: linux-integrity@vger.kernel.org, ltp@lists.linux.it, zohar@linux.ibm.com, pvorel@suse.cz, alexhenrie24@gmail.com Date: Thu, 9 Sep 2021 10:51:11 -0600 Message-Id: <20210909165111.51038-2-alexh@vpitech.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210909165111.51038-1-alexh@vpitech.com> References: <20210909165111.51038-1-alexh@vpitech.com> X-ClientProxiedBy: MWHPR22CA0050.namprd22.prod.outlook.com (2603:10b6:300:12a::12) 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 MWHPR22CA0050.namprd22.prod.outlook.com (2603:10b6:300:12a::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4500.14 via Frontend Transport; Thu, 9 Sep 2021 16:51:34 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 45706093-7d39-42b5-19b9-08d973b2152c X-MS-TrafficTypeDiagnostic: MW4PR07MB8667: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:231; 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Signed-off-by: Alex Henrie --- .../integrity/ima/tests/ima_measurements.sh | 37 ++++++++++++++++++- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/testcases/kernel/security/integrity/ima/tests/ima_measurements.sh b/testcases/kernel/security/integrity/ima/tests/ima_measurements.sh index 1927e937c..3c1bcbf88 100755 --- a/testcases/kernel/security/integrity/ima/tests/ima_measurements.sh +++ b/testcases/kernel/security/integrity/ima/tests/ima_measurements.sh @@ -8,6 +8,7 @@ TST_NEEDS_CMDS="awk cut sed" TST_SETUP="setup" +TST_CLEANUP="cleanup" TST_CNT=3 TST_NEEDS_DEVICE=1 @@ -20,6 +21,13 @@ setup() TEST_FILE="$PWD/test.txt" POLICY="$IMA_DIR/policy" [ -f "$POLICY" ] || tst_res TINFO "not using default policy" + + cat $IMA_POLICY > policy-original +} + +cleanup() +{ + cat policy-original > $IMA_POLICY } ima_check() @@ -103,7 +111,7 @@ test3() local file="$dir/test.txt" # Default policy does not measure user files - tst_res TINFO "verify not measuring user files" + tst_res TINFO "verify not measuring user files by default" tst_check_cmds sudo || return if ! id $user >/dev/null 2>/dev/null; then @@ -116,9 +124,34 @@ test3() cd $dir # need to read file to get updated $ASCII_MEASUREMENTS sudo -n -u $user sh -c "echo $(date) user file > $file; cat $file > /dev/null" + EXPECT_FAIL "grep $file $ASCII_MEASUREMENTS" cd .. - EXPECT_FAIL "grep $file $ASCII_MEASUREMENTS" + tst_res TINFO "verify measuring user files when requested via uid" + ROD echo "measure uid=$(id -u $user)" \> $IMA_POLICY + ROD echo "$(date) uid test" \> $TEST_FILE + sudo -n -u $user sh -c "cat $TEST_FILE > /dev/null" + ima_check + + tst_res TINFO "verify measuring user files when requested via gid" + ROD echo "measure gid=$(id -g $user)" \> $IMA_POLICY + ROD echo "$(date) gid test" \> $TEST_FILE + sudo -n -u $user sh -c "cat $TEST_FILE > /dev/null" + ima_check + + tst_res TINFO "verify measuring user files when requested via fowner" + ROD echo "measure fowner=$(id -u $user)" \> $IMA_POLICY + ROD echo "$(date) fowner test" \> $TEST_FILE + chown $user $TEST_FILE + cat $TEST_FILE > /dev/null + ima_check + + tst_res TINFO "verify measuring user files when requested via fgroup" + ROD echo "measure fgroup=$(id -g $user)" \> $IMA_POLICY + ROD echo "$(date) fgroup test" \> $TEST_FILE + chgrp $(id -g $user) $TEST_FILE + cat $TEST_FILE > /dev/null + ima_check } tst_run