From 7d2c4b37b888e9957dafa5743d6b1f9c06574cc7 Mon Sep 17 00:00:00 2001 From: Zixi Chen Date: Tue, 3 Dec 2024 17:22:45 +0800 Subject: [PATCH] Add snp attestation guest test script Signed-off-by: Zixi Chen --- .../sev-snp/regular_attestation_workflow.sh | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 qemu/deps/sev-snp/regular_attestation_workflow.sh diff --git a/qemu/deps/sev-snp/regular_attestation_workflow.sh b/qemu/deps/sev-snp/regular_attestation_workflow.sh new file mode 100644 index 0000000000..f280e2b96b --- /dev/null +++ b/qemu/deps/sev-snp/regular_attestation_workflow.sh @@ -0,0 +1,48 @@ +#!/bin/bash +set -e + +fetch_retry() { + local command=$1 + local max_retries=3 + local retry_count=0 + + while (( retry_count < max_retries )); do + eval "$command" + if [[ $? -eq 0 ]]; then + return 0 + fi + retry_count=$((retry_count + 1)) + echo "Command '$command' failed. Retry $retry_count/$max_retries in 20s..." + sleep 20 + done + echo "Command '$command' failed after $max_retries attempts." + return 1 +} + +# Verify regular attestation workflow on snp guest +snpguest report attestation-report.bin request-data.txt --random +snpguest display report attestation-report.bin + +# Get cpu model +cpu_familly_id=$(cat /proc/cpuinfo | grep 'cpu family' | head -1 | cut -d ":" -f 2 | tr -d " ") +model_id=$(cat /proc/cpuinfo | grep 'model' | head -1 | cut -d ":" -f 2 | tr -d " ") +dict_cpu=([251]="milan" [2517]="genoa") +cpu_model=${dict_cpu[${cpu_familly_id}${model_id}]} + +# Fetch cert +set +e +fetch_retry "snpguest fetch ca pem ${cpu_model} ./ -e vcek" +if [[ $? -ne 0 ]]; then + echo "ok" + exit 1 +fi + +fetch_retry "snpguest fetch vcek pem ${cpu_model} ./ attestation-report.bin" +if [[ $? -ne 0 ]]; then + exit 1 +fi + +# Verify certs +set -e +snpguest verify certs ./ +snpguest verify attestation ./ attestation-report.bin