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68 lines
2.4 KiB
68 lines
2.4 KiB
6 months ago
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From 994451b5e3010e2b12c01522bed9cc246304696e Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Fri, 16 Dec 2022 16:25:34 +0100
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Subject: [PATCH] test: add simple integration test for checking PCR extension
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works as it should
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(cherry picked from commit f44ed151c6c203f01a9fe8623b282ecd4ef2e0a9)
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Related: RHEL-16182
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---
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test/TEST-70-TPM2/test.sh | 1 +
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test/units/testsuite-70.sh | 30 ++++++++++++++++++++++++++++++
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2 files changed, 31 insertions(+)
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diff --git a/test/TEST-70-TPM2/test.sh b/test/TEST-70-TPM2/test.sh
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index 7c19821ad2..f448a4a5f1 100755
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--- a/test/TEST-70-TPM2/test.sh
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+++ b/test/TEST-70-TPM2/test.sh
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@@ -20,6 +20,7 @@ test_append_files() {
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install_dmevent
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generate_module_dependencies
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inst_binary tpm2_pcrextend
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+ inst_binary tpm2_pcrread
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inst_binary openssl
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}
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diff --git a/test/units/testsuite-70.sh b/test/units/testsuite-70.sh
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index 89cd2a3f82..3b4d66b686 100755
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--- a/test/units/testsuite-70.sh
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+++ b/test/units/testsuite-70.sh
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@@ -155,6 +155,36 @@ else
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echo "/usr/lib/systemd/systemd-measure or PCR sysfs files not found, skipping signed PCR policy test case"
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fi
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+if [ -e /usr/lib/systemd/systemd-pcrphase ] && \
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+ [ -f /sys/class/tpm/tpm0/pcr-sha256/11 ]; then
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+
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+ # Let's measure the machine ID
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+ tpm2_pcrread sha256:15 -Q -o /tmp/oldpcr15
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+ mv /etc/machine-id /etc/machine-id.save
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+ echo 994013bf23864ee7992eab39a96dd3bb >/etc/machine-id
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+ SYSTEMD_FORCE_MEASURE=1 /usr/lib/systemd/systemd-pcrphase --machine-id
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+ mv /etc/machine-id.save /etc/machine-id
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+ tpm2_pcrread sha256:15 -Q -o /tmp/newpcr15
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+
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+ # And check it matches expectations
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+ ( cat /tmp/oldpcr15 ;
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+ echo -n "machine-id:994013bf23864ee7992eab39a96dd3bb" | openssl dgst -binary -sha256 ) | openssl dgst -binary -sha256 | cmp - /tmp/newpcr15
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+
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+ rm /tmp/oldpcr15 /tmp/newpcr15
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+
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+ # And similar for the boot phase measurement into PCR 11
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+ tpm2_pcrread sha256:11 -Q -o /tmp/oldpcr11
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+ SYSTEMD_FORCE_MEASURE=1 /usr/lib/systemd/systemd-pcrphase foobar
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+ tpm2_pcrread sha256:11 -Q -o /tmp/newpcr11
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+
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+ ( cat /tmp/oldpcr11 ;
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+ echo -n "foobar" | openssl dgst -binary -sha256 ) | openssl dgst -binary -sha256 | cmp - /tmp/newpcr11
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+
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+ rm /tmp/oldpcr11 /tmp/newpcr11
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+else
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+ echo "/usr/lib/systemd/systemd-pcrphase or PCR sysfs files not found, skipping PCR extension test case"
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+fi
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+
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echo OK >/testok
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exit 0
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