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https://git.code.sf.net/p/linux-ima/ima-evm-utils
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tests: Extend sign_verify test with pkcs11-specific test
Extend the sign_verify test with a pkcs11-specific test. Since the openssl command line tool now needs to use a key provided by an engine, extend some command lines with the additional parameters '--keyform engine'. These parameters are passed using the global variable OPENSSL_KEYFORM, which is only set when pkcs11 URIs are used. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Stefan Berger
Mimi Zohar
parent
4a977c8d23
commit
e5b3097821
@ -248,8 +248,12 @@ _enable_gost_engine() {
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}
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# Show test stats and exit into automake test system
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# with proper exit code (same as ours).
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_report_exit() {
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# with proper exit code (same as ours). Do cleanups.
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_report_exit_and_cleanup() {
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if [ -n "${WORKDIR}" ]; then
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rm -rf "${WORKDIR}"
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fi
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if [ $testsfail -gt 0 ]; then
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echo "================================="
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echo " Run with FAILEARLY=1 $0 $*"
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@ -272,3 +276,40 @@ _report_exit() {
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fi
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}
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# Setup SoftHSM for local testing by calling the softhsm_setup script.
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# Use the provided workdir as the directory where SoftHSM will store its state
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# into.
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# Upon successfully setting up SoftHSM, this function sets the global variables
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# OPENSSL_ENGINE and OPENSSL_KEYFORM so that the openssl command line tool can
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# use SoftHSM. Also the PKCS11_KEYURI global variable is set to the test key's
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# pkcs11 URI.
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_softhsm_setup() {
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local workdir="$1"
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local msg
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export SOFTHSM_SETUP_CONFIGDIR="${workdir}/softhsm"
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export SOFTHSM2_CONF="${workdir}/softhsm/softhsm2.conf"
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mkdir -p "${SOFTHSM_SETUP_CONFIGDIR}"
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msg=$(./softhsm_setup setup 2>&1)
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if [ $? -eq 0 ]; then
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echo "softhsm_setup setup succeeded: $msg"
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PKCS11_KEYURI=$(echo $msg | sed -n 's|^keyuri: \(.*\)|\1|p')
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export EVMCTL_ENGINE="--engine pkcs11"
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export OPENSSL_ENGINE="-engine pkcs11"
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export OPENSSL_KEYFORM="-keyform engine"
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else
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echo "softhsm_setup setup failed: ${msg}"
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fi
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}
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# Tear down the SoftHSM setup and clean up the environment
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_softhsm_teardown() {
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./softhsm_setup teardown &>/dev/null
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rm -rf "${SOFTHSM_SETUP_CONFIGDIR}"
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unset SOFTHSM_SETUP_CONFIGDIR SOFTHSM2_CONF PKCS11_KEYURI \
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EVMCTL_ENGINE OPENSSL_ENGINE OPENSSL_KEYFORM
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}
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@ -20,7 +20,7 @@ PATH=../src:$PATH
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source ./functions.sh
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_require evmctl openssl getfattr
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trap _report_exit EXIT
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trap _report_exit_and_cleanup EXIT
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set -f # disable globbing
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check() {
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@ -28,7 +28,8 @@ fi
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./gen-keys.sh >/dev/null 2>&1
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trap _report_exit EXIT
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trap _report_exit_and_cleanup EXIT
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WORKDIR=$(mktemp -d)
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set -f # disable globbing
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# Determine keyid from a cert
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@ -132,11 +133,16 @@ check_sign() {
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# OPTS (additional options for evmctl),
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# FILE (working file to sign).
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local "$@"
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local KEY=${KEY%.*}.key
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local key verifykey
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local FILE=${FILE:-$ALG.txt}
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# Normalize key filename
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KEY=test-${KEY#test-}
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# Normalize key filename if it's not a pkcs11 URI
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if [ ${KEY:0:7} != pkcs11: ]; then
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key=${KEY%.*}.key
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key=test-${key#test-}
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else
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key=${KEY}
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fi
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# Append suffix to files for negative tests, because we may
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# leave only good files for verify tests.
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@ -152,33 +158,33 @@ check_sign() {
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if _test_expected_to_pass; then
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# Can openssl work with this digest?
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cmd="openssl dgst $OPENSSL_ENGINE -$ALG $FILE"
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cmd="openssl dgst $OPENSSL_ENGINE $OPENSSL_KEYFORM -$ALG $FILE"
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echo - "$cmd"
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if ! $cmd >/dev/null; then
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echo "${CYAN}$ALG ($KEY) test is skipped (openssl is unable to digest)$NORM"
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echo "${CYAN}$ALG ($key) test is skipped (openssl is unable to digest)$NORM"
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return "$SKIP"
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fi
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if [ ! -e "$KEY" ]; then
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echo "${CYAN}$ALG ($KEY) test is skipped (key file not found)$NORM"
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if [ "${key:0:7}" != pkcs11: ] && [ ! -e "$key" ]; then
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echo "${CYAN}$ALG ($key) test is skipped (key file not found)$NORM"
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return "$SKIP"
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fi
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# Can openssl sign with this digest and key?
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cmd="openssl dgst $OPENSSL_ENGINE -$ALG -sign $KEY -hex $FILE"
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cmd="openssl dgst $OPENSSL_ENGINE $OPENSSL_KEYFORM -$ALG -sign $key -hex $FILE"
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echo - "$cmd"
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if ! $cmd >/dev/null; then
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echo "${CYAN}$ALG ($KEY) test is skipped (openssl is unable to sign)$NORM"
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echo "${CYAN}$ALG ($key) test is skipped (openssl is unable to sign)$NORM"
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return "$SKIP"
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fi
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fi
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# Insert keyid from cert into PREFIX in-place of marker `:K:'
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if [[ $PREFIX =~ :K: ]]; then
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keyid=$(_keyid_from_cert "$KEY")
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keyid=$(_keyid_from_cert "$key")
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if [ $? -ne 0 ]; then
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color_red
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echo "Unable to determine keyid for $KEY"
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echo "Unable to determine keyid for $key"
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color_restore
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return "$HARDFAIL"
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fi
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@ -187,7 +193,7 @@ check_sign() {
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fi
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# Perform signing by evmctl
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_evmctl_sign "$TYPE" "$KEY" "$ALG" "$FILE" "$OPTS" || return
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_evmctl_sign "$TYPE" "$key" "$ALG" "$FILE" "$OPTS" || return
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# First simple pattern match the signature.
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ADD_TEXT_FOR=$ALG \
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@ -207,7 +213,13 @@ check_sign() {
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_extract_xattr "$FILE" "$(_xattr "$TYPE")" "$FILE.sig2" "$PREFIX"
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# Verify extracted signature with openssl
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cmd="openssl dgst $OPENSSL_ENGINE -$ALG -verify ${KEY%.*}.pub \
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if [ "${key:0:7}" != pkcs11: ]; then
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verifykey=${key%.*}.pub
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else
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verifykey=${key}
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fi
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cmd="openssl dgst $OPENSSL_ENGINE $OPENSSL_KEYFORM -$ALG -verify ${verifykey} \
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-signature $FILE.sig2 $FILE"
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echo - "$cmd"
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if ! $cmd; then
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@ -413,3 +425,15 @@ expect_fail \
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expect_fail \
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check_sign TYPE=ima KEY=gost2012_256-B ALG=md_gost12_512 PREFIX=0x0302 OPTS=
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# Test signing with key described by pkcs11 URI
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_softhsm_setup "${WORKDIR}"
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if [ -n "${PKCS11_KEYURI}" ]; then
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expect_pass check_sign FILE=pkcs11test TYPE=ima KEY=${PKCS11_KEYURI} ALG=sha256 PREFIX=0x030204aabbccdd0100 OPTS=--keyid=aabbccdd
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expect_pass check_sign FILE=pkcs11test TYPE=ima KEY=${PKCS11_KEYURI} ALG=sha1 PREFIX=0x030202aabbccdd0100 OPTS=--keyid=aabbccdd
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else
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# to have a constant number of tests, skip these two tests
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__skip() { echo "pkcs11 test is skipped: could not setup softhsm"; return $SKIP; }
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expect_pass __skip
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expect_pass __skip
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fi
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_softhsm_teardown "${WORKDIR}"
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