On Fri, 2009-07-24 at 11:51 -0400, Mimi Zohar wrote:
> - Replace bashisms: source, uid, substr, '&>' - redirection, '=='.
> - To create a file using 'sudo -u', some platforms require 'user' to exist.
> - Document verifying PCR-10 fails on Ubuntu on reboot due to kexec.
> - Determine if the entire boot-aggregate hash value is zero, not just the
> first couple of characters.
> - Add a space before the continuation mark on wrapped lines.
> - Explicity verify file open return codes, making sure that only one open
> succeeded (tpm_policy.sh: test02).
>
> Signed-off-by: Mimi Zohar <[email protected]>
Thanks. I was asking about this in my earlier mail.
Regards--
Subrata
>
> Index:
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_measurements.sh
> ===================================================================
> ---
> ltp-full-20090531.orig/testcases/kernel/security/integrity/ima/tests/ima_measurements.sh
> +++
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_measurements.sh
> @@ -35,9 +35,10 @@ init()
> export TST_TOTAL=3
> export TCID="init"
> export TST_COUNT=0
> + RC=0
>
> # check that sha1sum is installed
> - which sha1sum &> /dev/null || RC=$?
> + which sha1sum >/dev/null 2>&1 || RC=$?
> if [ $RC -ne 0 ]; then
> tst_brkm TBROK NULL "$TCID: sha1sum not found"
> return $RC
> @@ -45,7 +46,7 @@ init()
>
> # verify using default policy
> if [ ! -f $IMA_DIR/policy ]; then
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: not using default policy"
> fi
> return $RC
> @@ -65,7 +66,7 @@ test01()
> `date` - this is a test file
> EOF
> if [ $RC -ne 0 ]; then
> - tst_brkm TBROK $LTPTMP/imalog.$$\
> + tst_brkm TBROK $LTPTMP/imalog.$$ \
> "$TCID: Unable to create test file"
> return $RC
> fi
> @@ -82,11 +83,11 @@ test01()
> sleep 1
> `grep $hash $LTPIMA/measurements > /dev/null` || RC=$?
> if [ $RC -ne 0 ]; then
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: TPM ascii measurement list does not contain sha1sum"
> return $RC
> else
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: TPM ascii measurement list contains sha1sum"
> fi
> return $RC
> @@ -114,13 +115,13 @@ test02()
> `grep $hash $LTPIMA/measurements > /dev/null` || RC=$?
>
> if [ $RC -ne 0 ]; then
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: Modified file not measured"
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: iversion not supported; or not mounted with iversion"
> return $RC
> else
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: Modified file measured"
> fi
> return $RC
> @@ -137,12 +138,13 @@ test03()
>
> # create file user-test.txt
> mkdir -m 0700 $LTPIMA/user
> - chown 99.99 $LTPIMA/user
> + chown nobody.nobody $LTPIMA/user
> cd $LTPIMA/user
> hash=0
>
> - # As user 99, create and cat the new file
> - sudo -u \#99 sh -c "echo `date` - create test.txt > ./test.txt;
> + # As user nobody, create and cat the new file
> + # (The LTP tests assumes existence of 'nobody'.)
> + sudo -u nobody sh -c "echo `date` - create test.txt > ./test.txt;
> cat ./test.txt > /dev/null"
>
> # Calculating the hash will add the measurement to the measurement
> @@ -157,11 +159,11 @@ test03()
> grep $hash $LTPIMA/measurements > /dev/null || RC=$?
> if [ $RC -ne 0 ]; then
> RC=0
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: user file test.txt not measured"
> else
> RC=1
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: user file test.txt measured"
> fi
> return $RC
> @@ -176,9 +178,8 @@ test03()
> #
> RC=0
> EXIT_VAL=0
> -source `dirname $0`\/ima_setup.sh
> +. `dirname $0`\/ima_setup.sh
> setup || exit $RC
> -
> init
> test01 || EXIT_VAL=$RC
> test02 || EXIT_VAL=$RC
> Index:
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_policy.sh
> ===================================================================
> ---
> ltp-full-20090531.orig/testcases/kernel/security/integrity/ima/tests/ima_policy.sh
> +++
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_policy.sh
> @@ -39,21 +39,21 @@ init()
> # verify using default policy
> IMA_POLICY=$IMA_DIR/policy
> if [ ! -f $IMA_POLICY ]; then
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: default policy already replaced"
> RC=1
> fi
>
> VALID_POLICY=`dirname $0`\/..\/policy/measure.policy
> if [ ! -f $VALID_POLICY ]; then
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: missing $VALID_POLICY"
> RC=1
> fi
>
> INVALID_POLICY=`dirname $0`\/..\/policy/measure.policy-invalid
> if [ ! -f $INVALID_POLICY ]; then
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: missing $INVALID_POLICY"
> RC=1
> fi
> @@ -70,7 +70,7 @@ load_policy()
> cat $1 |
> while read line ; do
> {
> - if [ "${line:0:1}" != "#" ] ; then
> + if [ "${line#\#}" = "${line}" ] ; then
> echo $line >&4 2> /dev/null
> if [ $? -ne 0 ]; then
> exec 4>&-
> @@ -95,11 +95,11 @@ test01()
> wait "$p1"; RC=$?
> if [ $RC -ne 0 ]; then
> RC=0
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: didn't load invalid policy"
> else
> RC=1
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: loaded invalid policy"
> fi
> return $RC
> @@ -118,16 +118,15 @@ test02()
> load_policy $VALID_POLICY & p2=$! # forked process 2
> wait "$p1"; RC1=$?
> wait "$p2"; RC2=$?
> - RC=$((`expr $RC1 + $RC2`))
> - if [ $RC -eq 1 ]; then
> + if [ $RC1 -eq 0 ] && [ $RC2 -eq 0 ]; then
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> + "$TCID: measurement policy opened concurrently"
> + elif [ $RC1 -eq 0 ] || [ $RC2 -eq 0 ]; then
> RC=0
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: replaced default measurement policy"
> - elif [ $RC -eq 0 ]; then
> - tst_res TFAIL $LTPTMP/imalog.$$\
> - "$TCID: measurement policy opened concurrently"
> else
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: problems opening measurement policy"
> fi
> return 0
> @@ -145,7 +144,7 @@ test03()
> wait "$p1"; RC=$?
> if [ $RC -ne 0 ]; then
> RC=0
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: didn't replace valid policy"
> else
> RC=1
> @@ -164,7 +163,7 @@ test03()
> RC=0 # Return value from setup, init, and test functions.
> EXIT_VAL=0
>
> -source `dirname $0`\/ima_setup.sh
> +. `dirname $0`\/ima_setup.sh
> setup || exit $RC
>
> init || exit $RC
> Index:
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_setup.sh
> ===================================================================
> ---
> ltp-full-20090531.orig/testcases/kernel/security/integrity/ima/tests/ima_setup.sh
> +++
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_setup.sh
> @@ -46,7 +46,7 @@ mount_sysfs()
> mount_securityfs()
> {
> SECURITYFS=`mount | grep securityfs` || RC=$?
> - if [ $RC == 1 ]; then
> + if [ $RC -eq 1 ]; then
> SECURITYFS=$SYSFS/kernel/security
> `mkdir -p $SECURITYFS`
> `mount -t securityfs securityfs $SECURITYFS`
> @@ -77,7 +77,8 @@ setup()
> fi
>
> # Must be root
> - if [ $UID -ne 0 ]; then
> + userid=`id -u`
> + if [ $userid -ne 0 ]; then
> tst_brkm TBROK $LTPTMP/imalog.$$ \
> "$TCID: Must be root to execute test"
> return 1
> @@ -92,7 +93,7 @@ setup()
> # create the temporary directory used by this testcase
> LTPIMA=$LTPTMP/ima
> umask 077
> - mkdir $LTPIMA &>/dev/null || RC=$?
> + mkdir $LTPIMA > /dev/null 2>&1 || RC=$?
> if [ $RC -ne 0 ]; then
> tst_brk TBROK "$TCID: Unable to create temporary directory"
> return $RC
> Index:
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_tpm.sh
> ===================================================================
> ---
> ltp-full-20090531.orig/testcases/kernel/security/integrity/ima/tests/ima_tpm.sh
> +++ ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_tpm.sh
> @@ -37,17 +37,17 @@ init()
> RC=0
>
> # verify ima_boot_aggregate is available
> - which ima_boot_aggregate &> /dev/null || RC=$?
> + which ima_boot_aggregate >/dev/null 2>&1 || RC=$?
> if [ $RC -ne 0 ]; then
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: ima_tpm.sh test requires openssl-devel, skipping"
> return $RC
> fi
>
> # verify ima_measure is available
> - which ima_measure &> /dev/null || RC=$?
> + which ima_measure > /dev/null 2>&1 || RC=$?
> if [ $RC -ne 0 ]; then
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: ima_tpm.sh test requires openssl-devel, skipping"
> fi
> return $RC
> @@ -60,34 +60,36 @@ test01()
> TCID="test01"
> TST_COUNT=1
> RC=0
> + zero="0000000000000000000000000000000000000000"
>
> # IMA boot aggregate
> ima_measurements=$SECURITYFS/ima/ascii_runtime_measurements
> read line < $ima_measurements
> + ima_aggr=`expr substr "${line}" 49 40`
>
> # verify TPM is available and enabled.
> tpm_bios=$SECURITYFS/tpm0/binary_bios_measurements
> if [ ! -f $tpm_bios ]; then
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: no TPM, TPM not builtin kernel, or TPM not enabled"
>
> - [ "${line:49:40}" -eq 0 ] || RC=$?
> + [ "${ima_aggr}" = "${zero}" ] || RC=$?
> if [ $RC -eq 0 ]; then
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: bios boot aggregate is 0."
> else
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: bios boot aggregate is not 0."
> fi
> else
> boot_aggregate=`ima_boot_aggregate $tpm_bios`
> -
> - [ "${line:48:40}" == "${boot_aggregate:15:40}" ] || RC=$?
> + boot_aggr=`expr substr $boot_aggregate 16 40`
> + [ ${ima_aggr} = ${boot_aggr} ] || RC=$?
> if [ $RC -eq 0 ]; then
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: bios aggregate matches IMA boot aggregate."
> else
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: bios aggregate does not match IMA boot " \
> "aggregate."
> fi
> @@ -103,10 +105,14 @@ validate_pcr()
> ima_measurements=$SECURITYFS/ima/binary_runtime_measurements
> aggregate_pcr=`ima_measure $ima_measurements --validate`
> dev_pcrs=$1
> + RC=0
> +
> while read line ; do
> - if [ "${line:0:6}" == "PCR-10" ]; then
> - [ "${line:8:59}" == "${aggregate_pcr:25:59}" ]
> - RC=$?
> + pcr=`expr substr "${line}" 1 6`
> + if [ "${pcr}" = "PCR-10" ]; then
> + aggr=`expr substr "${aggregate_pcr}" 26 59`
> + pcr=`expr substr "${line}" 9 59`
> + [ "${pcr}" = "${aggr}" ] || RC=$?
> fi
> done < $dev_pcrs
> return $RC
> @@ -126,15 +132,15 @@ test02()
> if [ $RC -eq 0 ]; then
> validate_pcr $PCRS_PATH || RC=$?
> if [ $RC -eq 0 ]; then
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: aggregate PCR value matches real PCR value."
> else
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: aggregate PCR value does not match" \
> " real PCR value."
> fi
> else
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: TPM not enabled, no PCR value to validate"
> fi
> return $RC
> @@ -152,10 +158,10 @@ test03()
> aggregate_pcr=`ima_measure $ima_measurements --verify --validate` >
> /dev/null
> RC=$?
> if [ $RC -eq 0 ]; then
> - tst_res TPASS $LTPTMP/imalog.$$\
> + tst_res TPASS $LTPTMP/imalog.$$ \
> "$TCID: verified IMA template hash values."
> else
> - tst_res TFAIL $LTPTMP/imalog.$$\
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> "$TCID: error verifing IMA template hash values."
> fi
> return $RC
> @@ -172,7 +178,7 @@ RC=0 # Return value from setup, and t
> EXIT_VAL=0
>
> # set the testcases/bin directory
> -source `dirname $0`\/ima_setup.sh
> +. `dirname $0`\/ima_setup.sh
> setup || exit $RC
>
> init || exit $RC
> Index:
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_violations.sh
> ===================================================================
> ---
> ltp-full-20090531.orig/testcases/kernel/security/integrity/ima/tests/ima_violations.sh
> +++
> ltp-full-20090531/testcases/kernel/security/integrity/ima/tests/ima_violations.sh
> @@ -64,12 +64,17 @@ init()
> export TST_COUNT=0
> RC=0
>
> - service auditd status &> /dev/null || RC=$?
> + if [ -f /etc/init.d/auditd ]; then
> + service auditd status > /dev/null 2>&1 || RC=$?
> + else
> + RC=$?
> + fi
> +
> if [ $RC -ne 0 ]; then
> log=/var/log/messages
> else
> log=/var/log/audit/audit.log
> - tst_res TINFO $LTPTMP/imalog.$$\
> + tst_res TINFO $LTPTMP/imalog.$$ \
> "$TCID: requires integrity auditd patch"
> fi
> }
> @@ -96,13 +101,16 @@ test01()
> tail $log | grep test.txt-$$ | \
> grep 1>/dev/null 'open_writers' || RC=$?
> if [ $RC -eq 0 ]; then
> - tst_res TPASS $LTPTMP/imalog.$$\
> - "$TCID: open_writers violation added"
> + tst_res TPASS $LTPTMP/imalog.$$ \
> + "$TCID: open_writers violation added(test.txt-$$)"
> return $RC
> + else
> + tst_res TINFO $LTPTMP/imalog.$$ \
> + "$TCID: (message ratelimiting?)"
> fi
> fi
> - tst_res TFAIL $LTPTMP/imalog.$$\
> - "$TCID: open_writers violation not added"
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> + "$TCID: open_writers violation not added(test.txt-$$)"
> return $RC
> }
>
> @@ -128,12 +136,16 @@ test02()
> tail $log | grep test.txt-$$ | \
> grep 'ToMToU' 1>/dev/null || RC=$?
> if [ $RC -eq 0 ]; then
> - tst_res TPASS $LTPTMP/imalog.$$\
> - "$TCID: ToMToU violation added"
> + tst_res TPASS $LTPTMP/imalog.$$ \
> + "$TCID: ToMToU violation added(test.txt-$$)"
> return $RC
> + else
> + tst_res TINFO $LTPTMP/imalog.$$ \
> + "$TCID: (message ratelimiting?)"
> fi
> fi
> - tst_res TFAIL $LTPTMP/imalog.$$ "$TCID: ToMToU violation not added"
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> + "$TCID: ToMToU violation not added(test.txt-$$)"
> return $RC
> }
>
> @@ -160,13 +172,16 @@ test03()
> tail $log | grep test.txtb-$$ | \
> grep 1>/dev/null 'open_writers' || RC=$?
> if [ $RC -eq 0 ]; then
> - tst_res TPASS $LTPTMP/imalog.$$\
> - "$TCID: mmapped open_writers violation added"
> + tst_res TPASS $LTPTMP/imalog.$$ \
> + "$TCID: mmapped open_writers violation
> added(test.txtb-$$)"
> return $RC
> + else
> + tst_res TINFO $LTPTMP/imalog.$$ \
> + "$TCID: (message ratelimiting?)"
> fi
> fi
> - tst_res TFAIL $LTPTMP/imalog.$$\
> - "$TCID: mmapped open_writers violation not added"
> + tst_res TFAIL $LTPTMP/imalog.$$ \
> + "$TCID: mmapped open_writers violation not added(test.txtb-$$)"
> close_file_read
> return $RC
> }
> @@ -181,9 +196,8 @@ test03()
> RC=0 # Return value from setup, init, and test functions.
> EXIT_VAL=0
>
> -source `dirname $0`\/ima_setup.sh
> +. `dirname $0`\/ima_setup.sh
> setup || exit $RC
> -
> init || exit $RC
> test01 || EXIT_VAL=$RC
> test02 || EXIT_VAL=$RC
> Index: ltp-full-20090531/testcases/kernel/security/integrity/ima/README
> ===================================================================
> --- ltp-full-20090531.orig/testcases/kernel/security/integrity/ima/README
> +++ ltp-full-20090531/testcases/kernel/security/integrity/ima/README
> @@ -52,11 +52,16 @@ open for read by root. If the default po
> another measurement policy will fail, as the policy may only be replaced
> once per boot. Some of the policy dependency tests might also fail as well.
>
> +ima_tpm.sh: test02, verifying the PCR-10 value, requires a hard reboot.
> +[On Ubuntu, before running the ltp tests, disable /etc/init.d/kexec-load
> +and reboot.]
> +
> Run tests
> ---------
> After doing 'make' and 'make install' from the top-level,
> - execute './ltp-full-<version>/runltp -f ima' to run the entire testsuite.
> -- To run individual tests, cd into the IMA directory:
> +- To run individual tests, cd into the IMA directory, and add testcases/bin
> + to PATH:
> ./ltp-full-<version>/testcases/kernel/security/integrity/ima/tests/
> and execute the individual scripts.
>
>
>
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