swtpm/tests/_test_print_capabilities
Stefan Berger 3a49ce1302 swtpm: Print profile names as part of capabilities JSON
Print a list of names of profiles implemented by libtpms as part of the
capabilities JSON. The profiles map will only be visible if libtpms v0.10
with the TPMLIB_SetProfile() API is used.

swtpm socket --print-capabilities  --tpm2| jq
{
  "type": "swtpm",
  "features": [
    [...]
  ],
  "profiles": {
    "names": [
      "default-v1",
      "null",
      "custom"
    ],
    ...
  },
  "version": "0.10.0"
}

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2024-07-22 09:46:58 -04:00

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#!/bin/bash
# For the license, see the LICENSE file in the root directory.
#set -x
ROOT=${abs_top_builddir:-$(pwd)/..}
TESTDIR=${abs_top_testdir:-$(dirname "$0")}
PATH=$ROOT/src/swtpm:$PATH
[ "${SWTPM_IFACE}" == "cuse" ] && source "${TESTDIR}/test_cuse"
source "${TESTDIR}/common"
if ! msg="$(${SWTPM_EXE} "${SWTPM_IFACE}" --print-capabilities 2>&1)"; then
echo "Error: Could not pass --print-capabilities"
echo "${msg}"
exit 1
fi
if has_seccomp_support "${SWTPM_EXE}"; then
seccomp='"cmdarg-seccomp", '
fi
if [ "${SWTPM_IFACE}" != "cuse" ]; then
noncuse='"tpm-send-command-header", '
fi
exp='\{ "type": "swtpm", '\
'"features": \[ "tpm-1.2",( "tpm-2.0",)? '${noncuse}'"flags-opt-startup", '\
'"flags-opt-disable-auto-shutdown", "ctrl-opt-terminate", '${seccomp}'"cmdarg-key-fd", '\
'"cmdarg-pwd-fd", "cmdarg-print-states", "cmdarg-chroot", "cmdarg-migration", '\
'"nvram-backend-dir", "nvram-backend-file"(, "cmdarg-profile")? \],'\
'( "profiles": \[ \],)? '\
'"version": "[^"]*" \}'
if ! [[ ${msg} =~ ${exp} ]]; then
echo "Unexpected response from ${SWTPM_IFACE} TPM to --print-capabilities:"
echo "Actual : ${msg}"
echo "Expected : ${exp}"
exit 1
fi
echo "Test 1: OK"
if ! msg="$(${SWTPM_SETUP} --print-capabilities 2>&1)"; then
echo "Error: Could not pass --print-capabilities"
echo "${msg}"
exit 1
fi
# The are some variable parameters at the end, use regex
exp='\{ "type": "swtpm_setup", '\
'"features": \[ "tpm-1.2",( "tpm-2.0",)? "cmdarg-keyfile-fd", "cmdarg-pwdfile-fd", '\
'"tpm12-not-need-root", "cmdarg-write-ek-cert-files", "cmdarg-create-config-files", '\
'"cmdarg-reconfigure-pcr-banks"'\
'(, "tpm2-rsa-keysize-2048")?(, "tpm2-rsa-keysize-3072")?(, "cmdarg-profile")? \],'\
'( "profiles": \[ \],)? '\
'"version": "[^"]*" \}'
if ! [[ ${msg} =~ ${exp} ]]; then
echo "Unexpected response from ${SWTPM_SETUP} to --print-capabilities:"
echo "Actual : ${msg}"
echo "Expected : ${exp}"
exit 1
fi
echo "Test 2: OK"
# SWTPM_CERT may be run by valgrind
if [ -x "$(type -P "$(echo "${SWTPM_CERT}" | cut -d" " -f1)" )" ]; then
if ! msg="$(${SWTPM_CERT} --print-capabilities 2>&1)"; then
echo "Error: Could not pass --print-capabilities to ${SWTPM_CERT}"
echo "${msg}"
exit 1
fi
exp='\{ "type": "swtpm_cert", "features": \[ "cmdarg-signkey-pwd", "cmdarg-parentkey-pwd" \], "version": "[^"]*" \}'
if ! [[ "${msg}" =~ ${exp} ]]; then
echo "Unexpected response from ${SWTPM_CERT} to --print-capabilities:"
echo "Actual : ${msg}"
echo "Expected : ${exp}"
exit 1
fi
echo "Test 3: OK"
else
echo "Test 3: SKIP -- ${SWTPM_CERT} not found or not an executable"
fi
exit 0