mirror of
https://github.com/systemd/systemd.git
synced 2024-12-23 21:35:11 +03:00
7a321b5a21
Having these named differently than the test itself mostly creates unecessary confusion and makes writing logic against the tests harder so let's rename the testsuite-xx units and scripts to just use the test name itself.
131 lines
8.3 KiB
Bash
Executable File
131 lines
8.3 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# SPDX-License-Identifier: LGPL-2.1-or-later
|
|
set -eux
|
|
set -o pipefail
|
|
|
|
# shellcheck source=test/units/util.sh
|
|
. "$(dirname "$0")"/util.sh
|
|
|
|
export SYSTEMD_LOG_LEVEL=debug
|
|
SD_MEASURE="/usr/lib/systemd/systemd-measure"
|
|
|
|
if [[ ! -x "${SD_MEASURE:?}" ]]; then
|
|
echo "$SD_MEASURE not found, skipping the test"
|
|
exit 0
|
|
fi
|
|
|
|
IMAGE="$(mktemp /tmp/systemd-measure-XXX.image)"
|
|
|
|
echo HALLO >/tmp/tpmdata1
|
|
echo foobar >/tmp/tpmdata2
|
|
|
|
cat >/tmp/result <<EOF
|
|
11:sha1=5177e4ad69db92192c10e5f80402bf81bfec8a81
|
|
11:sha256=37b48bd0b222394dbe3cceff2fca4660c4b0a90ae9369ec90b42f14489989c13
|
|
11:sha384=5573f9b2caf55b1d0a6a701f890662d682af961899f0419cf1e2d5ea4a6a68c1f25bd4f5b8a0865eeee82af90f5cb087
|
|
11:sha512=961305d7e9981d6606d1ce97b3a9a1f92610cac033e9c39064895f0e306abc1680463d55767bd98e751eae115bdef3675a9ee1d29ed37da7885b1db45bb2555b
|
|
EOF
|
|
"$SD_MEASURE" calculate --linux=/tmp/tpmdata1 --initrd=/tmp/tpmdata2 --bank=sha1 --bank=sha256 --bank=sha384 --bank=sha512 --phase=: | cmp - /tmp/result
|
|
|
|
cat >/tmp/result.json <<EOF
|
|
{"sha1":[{"pcr":11,"hash":"5177e4ad69db92192c10e5f80402bf81bfec8a81"}],"sha256":[{"pcr":11,"hash":"37b48bd0b222394dbe3cceff2fca4660c4b0a90ae9369ec90b42f14489989c13"}],"sha384":[{"pcr":11,"hash":"5573f9b2caf55b1d0a6a701f890662d682af961899f0419cf1e2d5ea4a6a68c1f25bd4f5b8a0865eeee82af90f5cb087"}],"sha512":[{"pcr":11,"hash":"961305d7e9981d6606d1ce97b3a9a1f92610cac033e9c39064895f0e306abc1680463d55767bd98e751eae115bdef3675a9ee1d29ed37da7885b1db45bb2555b"}]}
|
|
EOF
|
|
"$SD_MEASURE" calculate --linux=/tmp/tpmdata1 --initrd=/tmp/tpmdata2 --bank=sha1 --bank=sha256 --bank=sha384 --bank=sha512 --phase=: -j | diff -u - /tmp/result.json
|
|
|
|
cat >/tmp/result <<EOF
|
|
11:sha1=6765ee305db063040c454d32697d922b3d4f232b
|
|
11:sha256=21c49c1242042649e09c156546fd7d425ccc3c67359f840507b30be4e0f6f699
|
|
11:sha384=08d0b003a134878eee552070d51d58abe942f457ca85704131dd36f73728e7327ca837594bc9d5ac7de818d02a3d5dd2
|
|
11:sha512=65120f6ebc04b156421c6f3d543b2fad545363d9ca61c514205459e9c0e0b22e09c23605eae5853e38458ef3ca54e087168af8d8a882a98d220d9391e48be6d0
|
|
EOF
|
|
"$SD_MEASURE" calculate --linux=/tmp/tpmdata1 --initrd=/tmp/tpmdata2 --bank=sha1 --bank=sha256 --bank=sha384 --bank=sha512 --phase=foo | cmp - /tmp/result
|
|
|
|
cat >/tmp/result.json <<EOF
|
|
{"sha1":[{"phase":"foo","pcr":11,"hash":"6765ee305db063040c454d32697d922b3d4f232b"}],"sha256":[{"phase":"foo","pcr":11,"hash":"21c49c1242042649e09c156546fd7d425ccc3c67359f840507b30be4e0f6f699"}],"sha384":[{"phase":"foo","pcr":11,"hash":"08d0b003a134878eee552070d51d58abe942f457ca85704131dd36f73728e7327ca837594bc9d5ac7de818d02a3d5dd2"}],"sha512":[{"phase":"foo","pcr":11,"hash":"65120f6ebc04b156421c6f3d543b2fad545363d9ca61c514205459e9c0e0b22e09c23605eae5853e38458ef3ca54e087168af8d8a882a98d220d9391e48be6d0"}]}
|
|
EOF
|
|
"$SD_MEASURE" calculate --linux=/tmp/tpmdata1 --initrd=/tmp/tpmdata2 --bank=sha1 --bank=sha256 --bank=sha384 --bank=sha512 --phase=foo -j | diff -u - /tmp/result.json
|
|
|
|
rm /tmp/result /tmp/result.json
|
|
|
|
if ! tpm_has_pcr sha1 11 || ! tpm_has_pcr sha256 11; then
|
|
echo "PCR sysfs files not found, skipping signed PCR policy tests"
|
|
exit 0
|
|
fi
|
|
|
|
# Generate key pair
|
|
openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -out "/tmp/pcrsign-private.pem"
|
|
openssl rsa -pubout -in "/tmp/pcrsign-private.pem" -out "/tmp/pcrsign-public.pem"
|
|
|
|
MEASURE_BANKS=("--bank=sha256")
|
|
# Check if SHA1 signatures are supported
|
|
#
|
|
# Some distros have started phasing out SHA1, so make sure the SHA1
|
|
# signatures are supported before trying to use them.
|
|
if echo hello | openssl dgst -sign /tmp/pcrsign-private.pem -sha1 >/dev/null; then
|
|
MEASURE_BANKS+=("--bank=sha1")
|
|
fi
|
|
|
|
# Sign current PCR state with it
|
|
"$SD_MEASURE" sign --current "${MEASURE_BANKS[@]}" --private-key="/tmp/pcrsign-private.pem" --public-key="/tmp/pcrsign-public.pem" --phase=: | tee "/tmp/pcrsign.sig"
|
|
dd if=/dev/urandom of=/tmp/pcrtestdata bs=1024 count=64
|
|
systemd-creds encrypt /tmp/pcrtestdata /tmp/pcrtestdata.encrypted --with-key=host+tpm2-with-public-key --tpm2-public-key="/tmp/pcrsign-public.pem"
|
|
systemd-creds decrypt /tmp/pcrtestdata.encrypted - --tpm2-signature="/tmp/pcrsign.sig" | cmp - /tmp/pcrtestdata
|
|
|
|
# Invalidate PCR, decrypting should fail now
|
|
tpm2_pcrextend 11:sha256=0000000000000000000000000000000000000000000000000000000000000000
|
|
(! systemd-creds decrypt /tmp/pcrtestdata.encrypted - --tpm2-signature="/tmp/pcrsign.sig" >/dev/null)
|
|
|
|
# Sign new PCR state, decrypting should work now.
|
|
"$SD_MEASURE" sign --current "${MEASURE_BANKS[@]}" --private-key="/tmp/pcrsign-private.pem" --public-key="/tmp/pcrsign-public.pem" --phase=: >"/tmp/pcrsign.sig2"
|
|
systemd-creds decrypt /tmp/pcrtestdata.encrypted - --tpm2-signature="/tmp/pcrsign.sig2" | cmp - /tmp/pcrtestdata
|
|
|
|
# Now, do the same, but with a cryptsetup binding
|
|
truncate -s 20M "$IMAGE"
|
|
cryptsetup luksFormat -q --pbkdf pbkdf2 --pbkdf-force-iterations 1000 --use-urandom "$IMAGE" /tmp/passphrase
|
|
# Ensure that an unrelated signature, when not requested, is not used
|
|
touch /run/systemd/tpm2-pcr-signature.json
|
|
systemd-cryptenroll --unlock-key-file=/tmp/passphrase --tpm2-device=auto --tpm2-public-key="/tmp/pcrsign-public.pem" "$IMAGE"
|
|
# Reset and use the signature now
|
|
rm -f /run/systemd/tpm2-pcr-signature.json
|
|
systemd-cryptenroll --wipe-slot=tpm2 "$IMAGE"
|
|
systemd-cryptenroll --unlock-key-file=/tmp/passphrase --tpm2-device=auto --tpm2-public-key="/tmp/pcrsign-public.pem" --tpm2-signature="/tmp/pcrsign.sig2" "$IMAGE"
|
|
|
|
# Check if we can activate that (without the token module stuff)
|
|
SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=0 systemd-cryptsetup attach test-volume2 "$IMAGE" - tpm2-device=auto,tpm2-signature="/tmp/pcrsign.sig2",headless=1
|
|
SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=0 systemd-cryptsetup detach test-volume2
|
|
|
|
# Check if we can activate that (and a second time with the token module stuff enabled)
|
|
SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=1 systemd-cryptsetup attach test-volume2 "$IMAGE" - tpm2-device=auto,tpm2-signature="/tmp/pcrsign.sig2",headless=1
|
|
SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=1 systemd-cryptsetup detach test-volume2
|
|
|
|
# After extending the PCR things should fail
|
|
tpm2_pcrextend 11:sha256=0000000000000000000000000000000000000000000000000000000000000000
|
|
(! SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=0 systemd-cryptsetup attach test-volume2 "$IMAGE" - tpm2-device=auto,tpm2-signature="/tmp/pcrsign.sig2",headless=1)
|
|
(! SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=1 systemd-cryptsetup attach test-volume2 "$IMAGE" - tpm2-device=auto,tpm2-signature="/tmp/pcrsign.sig2",headless=1)
|
|
|
|
# But once we sign the current PCRs, we should be able to unlock again
|
|
"$SD_MEASURE" sign --current "${MEASURE_BANKS[@]}" --private-key="/tmp/pcrsign-private.pem" --public-key="/tmp/pcrsign-public.pem" --phase=: >"/tmp/pcrsign.sig3"
|
|
SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=0 systemd-cryptsetup attach test-volume2 "$IMAGE" - tpm2-device=auto,tpm2-signature="/tmp/pcrsign.sig3",headless=1
|
|
systemd-cryptsetup detach test-volume2
|
|
SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=1 systemd-cryptsetup attach test-volume2 "$IMAGE" - tpm2-device=auto,tpm2-signature="/tmp/pcrsign.sig3",headless=1
|
|
systemd-cryptsetup detach test-volume2
|
|
|
|
# Test --append mode and de-duplication. With the same parameters signing should not add a new entry
|
|
"$SD_MEASURE" sign --current "${MEASURE_BANKS[@]}" --private-key="/tmp/pcrsign-private.pem" --public-key="/tmp/pcrsign-public.pem" --phase=: --append="/tmp/pcrsign.sig3" >"/tmp/pcrsign.sig4"
|
|
cmp "/tmp/pcrsign.sig3" "/tmp/pcrsign.sig4"
|
|
|
|
# Sign one more phase, this should
|
|
"$SD_MEASURE" sign --current "${MEASURE_BANKS[@]}" --private-key="/tmp/pcrsign-private.pem" --public-key="/tmp/pcrsign-public.pem" --phase=quux:waldo --append="/tmp/pcrsign.sig4" >"/tmp/pcrsign.sig5"
|
|
(! cmp "/tmp/pcrsign.sig4" "/tmp/pcrsign.sig5")
|
|
|
|
# Should still be good to unlock, given the old entry still exists
|
|
SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE=0 systemd-cryptsetup attach test-volume2 "$IMAGE" - tpm2-device=auto,tpm2-signature="/tmp/pcrsign.sig5",headless=1
|
|
systemd-cryptsetup detach test-volume2
|
|
|
|
# Adding both signatures once more should not change anything, due to the deduplication
|
|
"$SD_MEASURE" sign --current "${MEASURE_BANKS[@]}" --private-key="/tmp/pcrsign-private.pem" --public-key="/tmp/pcrsign-public.pem" --phase=: --append="/tmp/pcrsign.sig5" >"/tmp/pcrsign.sig6"
|
|
"$SD_MEASURE" sign --current "${MEASURE_BANKS[@]}" --private-key="/tmp/pcrsign-private.pem" --public-key="/tmp/pcrsign-public.pem" --phase=quux:waldo --append="/tmp/pcrsign.sig6" >"/tmp/pcrsign.sig7"
|
|
cmp "/tmp/pcrsign.sig5" "/tmp/pcrsign.sig7"
|
|
|
|
rm -f "$IMAGE"
|