source: mod_gnutls/test/runtests @ d762813

#!/bin/bash

# Authors:
# Daniel Kahn Gillmor <dkg@fifthhorseman.net>
# Fiona Klute <fiona.klute@gmx.de>

set -e
. ${srcdir}/common.bash
. ${srcdir}/apache_service.bash
netns_reexec ${@}

testid="${1##t-}"

if [ -z "$testid" ] ; then
    echo -e "No test case selected.\nUsage: ${0} t-N" >&2
    exit 1
else
    testid=${srcdir}/tests/"$(printf "%02d" "$testid")"_*
fi
testdir="$(realpath ${testid})"

BADVARS=0
for v in APACHE2 TEST_HOST TEST_PORT TEST_QUERY_TIMEOUT TEST_SERVICE_WAIT \
                 MSVA_PORT; do
    if [ ! -v "$v" ]; then
        printf "You need to set the %s environment variable\n" "$v" >&2
        BADVARS=1
    fi
done

if [ 0 != "$BADVARS" ]; then
    exit 1
fi

# write script file and line to stderr on error
function pinpoint_error()
{
    echo "Command \"${BASH_COMMAND}\" failed. Call trace:" >&2
    local stack=0
    while caller $((stack++)) >&2; do true; done
}
trap 'pinpoint_error' ERR

function stop_msva()
{
    kill_by_pidfile "${msva_pidfile}"
    unset msva_pidfile
}

# Run a command, storing its PID in the given file
# Usage: run_with_pidfile PIDFILE COMMAND [ARGS]
function run_with_pidfile()
{
    local pidfile=$1
    local cmd=$2
    shift 2
    echo $BASHPID >${pidfile}
    exec ${cmd} $*
}

# Kills the process with the PID contained in a given file, then
# deletes the file.
# Usage: kill_by_pidfile PIDFILE
function kill_by_pidfile()
{
    local pidfile="${1}"
    # In some testcases with expected failure, gnutls-cli sometimes
    # failed before the subshell in front of the pipe (see gnutls-cli
    # call below) got so far as to write the PID, much less exec
    # sleep. So we need to check if there actually is anything to
    # kill.
    if [ -n "${pidfile}" ]; then
        local pid=$(cat "${pidfile}")
        if [ -n "${pid}" ] && ps -p "${pid}"; then
            kill "${pid}"
        else
            echo "No running process with PID ${pid} (${pidfile})."
        fi
        rm "${pidfile}"
    fi
}

function apache_down_err() {
    printf "FAILURE: %s\n" "$TEST_NAME"
    ${APACHE2} -f "${testdir}/apache.conf" -k stop || true

    if [ -r "${testdir}/backend.conf" ]; then
        apache_service "${testdir}" "backend.conf" stop || true
    fi

    if [ -r "${testdir}/ocsp.conf" ]; then
        apache_service "${testdir}" "ocsp.conf" stop || true
    fi

    local errlog="logs/${TEST_NAME}.error.log"
    if [ -r "${errlog}" ]; then
        printf "\nApache error logs:\n"
        tail "${errlog}"
    fi

    if [ -n "${USE_MSVA}" ]; then
        stop_msva
    fi
}

if [ -n "${USE_MSVA}" ]; then
    msva_pidfile="$(mktemp mod_gnutls_test-XXXXXX.pid)"
    GNUPGHOME=msva.gnupghome MSVA_KEYSERVER_POLICY=never run_with_pidfile "${msva_pidfile}" monkeysphere-validation-agent &
    trap stop_msva EXIT

    printf "TESTING: initial MSVA verification\n"
    export MONKEYSPHERE_VALIDATION_AGENT_SOCKET="http://127.0.0.1:$MSVA_PORT"

    msva_test_cmd="msva-query-agent https \"$(cat authority/client/uid)\" x509pem client < authority/client/x509.pem"
    # check if MSVA is up, fail if not
    if wait_ready "${msva_test_cmd}"; then
        printf "\nSUCCESS: initial MSVA verification\n"
    else
        printf "\nFAIL: initial MSVA verification\n"
        exit 1
    fi
fi

# configure locking for the Apache process
if [ -n "${USE_TEST_NAMESPACE}" ]; then
    echo "Using namespaces to isolate tests, no need for locking."
    flock_cmd=""
elif [ -n "${FLOCK}" ]; then
    flock_cmd="${FLOCK} -w ${TEST_LOCK_WAIT} $(realpath ${TEST_LOCK})"
else
    echo "Locking disabled, using wait based on Apache PID file."
    wait_pid_gone "${TEST_LOCK}"
    flock_cmd=""
fi

export srcdir="$(realpath ${srcdir})"
export TEST_NAME="$(basename "${testdir}")"
output="outputs/${TEST_NAME}.output"
rm -f "$output"

if [ -e ${testdir}/fail.* ]; then
    EXPECTED_FAILURE="$(printf " (expected: %s)" fail.*)"
else
    unset EXPECTED_FAILURE
fi
printf "TESTING: %s%s\n" "$TEST_NAME" "$EXPECTED_FAILURE"
trap apache_down_err EXIT
if [ -n "${USE_MSVA}" ]; then
    export MONKEYSPHERE_VALIDATION_AGENT_SOCKET="http://127.0.0.1:$MSVA_PORT"
fi

# If VERBOSE is enabled, log the HTTPD build configuration
if [ -n "${VERBOSE}" ]; then
    ${APACHE2} -f "${srcdir}/base_apache.conf" -V
fi

# Start OCSP responder, if configured
if [ -r "${testdir}/ocsp.conf" ]; then
    apache_service "${testdir}" "ocsp.conf" start "${OCSP_LOCK}"
    CHECK_OCSP_SERVER="true"
    if [ -n "${VERBOSE}" ]; then
        echo "OCSP index for the test CA:"
        cat authority/ocsp_index.txt
    fi
fi

# Start proxy backend server, if configured
if [ -r "${testdir}/backend.conf" ]; then
    apache_service "${testdir}" "backend.conf" start "${BACKEND_LOCK}"
fi

if ! ${flock_cmd} ${APACHE2} -f "${testdir}/apache.conf" -k start; then
    if [ -e "${testdir}/fail.server" ]; then
        echo "Apache HTTPD failed to start as expected."
        exit 0
    else
        echo "Apache HTTPD unexpectedly failed to start."
        exit 1
    fi
fi

# check OCSP server
if [ -n "${CHECK_OCSP_SERVER}" ]; then
    if [ -n "${OCSP_RESPONSE_FILE}" ]; then
        store_ocsp="--outfile ${OCSP_RESPONSE_FILE}"
    fi
    echo "---- Testing OCSP server ----"
    wait_ready "ocsptool --ask --nonce --load-issuer authority/x509.pem --load-cert authority/server/x509.pem ${store_ocsp}"
    echo "---- OCSP test done ----"
fi

if [ -n "${TARGET_IP}" ]; then
    TARGET="${TARGET_IP}"
else
    TARGET="${TEST_HOST}"
fi

${PYTHON} ${srcdir}/https-test-client.py -p "${TEST_PORT}" "${TARGET}" \
          --test-config "${testdir}/test.yml" \
          --timeout "${TEST_QUERY_TIMEOUT}" \
    |& tee "$output"
# We care about the exit status of the Python script, not tee
if [ ${PIPESTATUS[0]} -ne 0 ]; then
    exit 1
fi

if [ -n "${USE_MSVA}" ]; then
    trap stop_msva EXIT
else
    trap - EXIT
fi
${APACHE2} -f "${testdir}/apache.conf" -k stop || [ -e ${testdir}/fail.server ]
printf "SUCCESS: %s\n" "$TEST_NAME"

if [ -r "${testdir}/backend.conf" ]; then
    apache_service "${testdir}" "backend.conf" stop || true
fi

if [ -r "${testdir}/ocsp.conf" ]; then
    apache_service "${testdir}" "ocsp.conf" stop || true
fi

if [ -n "${USE_MSVA}" ]; then
    stop_msva
    # Without explicitly resetting the trap function, it would be
    # called again on exit. Of course, we could just not stop MSVA and
    # let the trap do the work, but I think the code is easier to
    # understand like this.
    trap - EXIT
fi