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|
#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
TEST_DESCRIPTION="cryptsetup systemd setup"
IMAGE_NAME="cryptsetup"
IMAGE_ADDITIONAL_DATA_SIZE=100
TEST_NO_NSPAWN=1
TEST_FORCE_NEWIMAGE=1
# shellcheck source=test/test-functions
. "${TEST_BASE_DIR:?}/test-functions"
PART_UUID="deadbeef-dead-dead-beef-000000000000"
DM_NAME="test24_varcrypt"
KERNEL_OPTIONS=(
"rd.luks=1"
"luks.name=$PART_UUID=$DM_NAME"
"luks.key=$PART_UUID=/keyfile:LABEL=varcrypt_keydev"
"luks.options=$PART_UUID=x-initrd.attach"
# Forward journal to console to make debugging easier (or possible at all) if we fail to bring the
# encrypted /var up during boot
"systemd.journald.forward_to_console=1"
)
KERNEL_APPEND+=" ${KERNEL_OPTIONS[*]}"
QEMU_OPTIONS+=" -drive format=raw,cache=unsafe,file=${STATEDIR:?}/keydev.img"
check_result_qemu() {
local ret
mount_initdir
cryptsetup luksOpen "${LOOPDEV:?}p4" "${DM_NAME:?}" <"$TESTDIR/keyfile"
mount "/dev/mapper/$DM_NAME" "$initdir/var"
check_result_common "${initdir:?}" && ret=0 || ret=$?
_umount_dir "$initdir/var"
_umount_dir "$initdir"
cryptsetup luksClose "/dev/mapper/$DM_NAME"
return $ret
}
can_test_pkcs11() {
if ! command -v "softhsm2-util" >/dev/null; then
ddebug "softhsm2-util not available, skipping the PKCS#11 test"
return 1
fi
if ! command -v "pkcs11-tool" >/dev/null; then
ddebug "pkcs11-tool not available, skipping the PKCS#11 test"
return 1
fi
if ! command -v "certtool" >/dev/null; then
ddebug "certtool not available, skipping the PKCS#11 test"
return 1
fi
if ! "${SYSTEMCTL:?}" --version | grep -q "+P11KIT"; then
ddebug "Support for p11-kit is disabled, skipping the PKCS#11 test"
return 1
fi
if ! "${SYSTEMCTL:?}" --version | grep -q "+OPENSSL"; then
ddebug "Support for openssl is disabled, skipping the PKCS#11 test"
return 1
fi
if ! "${SYSTEMCTL:?}" --version | grep -q "+LIBCRYPTSETUP\b"; then
ddebug "Support for libcryptsetup is disabled, skipping the PKCS#11 test"
return 1
fi
if ! "${SYSTEMCTL:?}" --version | grep -q "+LIBCRYPTSETUP_PLUGINS"; then
ddebug "Support for libcryptsetup plugins is disabled, skipping the PKCS#11 test"
return 1
fi
return 0
}
setup_pkcs11_token() {
dinfo "Setup PKCS#11 token"
local P11_MODULE_CONFIGS_DIR P11_MODULE_DIR SOFTHSM_MODULE
export SOFTHSM2_CONF="/tmp/softhsm2.conf"
mkdir -p "$initdir/usr/lib/softhsm/tokens/"
cat >${SOFTHSM2_CONF} <<EOF
directories.tokendir = $initdir/usr/lib/softhsm/tokens/
objectstore.backend = file
slots.removable = false
slots.mechanisms = ALL
EOF
export GNUTLS_PIN="1234"
export GNUTLS_SO_PIN="12345678"
softhsm2-util --init-token --free --label "TestToken" --pin ${GNUTLS_PIN} --so-pin ${GNUTLS_SO_PIN}
if ! P11_MODULE_CONFIGS_DIR=$(pkg-config --variable=p11_module_configs p11-kit-1); then
echo "WARNING! Cannot get p11_module_configs from p11-kit-1.pc, assuming /usr/share/p11-kit/modules" >&2
P11_MODULE_CONFIGS_DIR="/usr/share/p11-kit/modules"
fi
if ! P11_MODULE_DIR=$(pkg-config --variable=p11_module_path p11-kit-1); then
echo "WARNING! Cannot get p11_module_path from p11-kit-1.pc, assuming /usr/lib/pkcs11" >&2
P11_MODULE_DIR="/usr/lib/pkcs11"
fi
SOFTHSM_MODULE=$(grep -F 'module:' "$P11_MODULE_CONFIGS_DIR/softhsm2.module"| cut -d ':' -f 2| xargs)
if [[ "$SOFTHSM_MODULE" =~ ^[^/] ]]; then
SOFTHSM_MODULE="$P11_MODULE_DIR/$SOFTHSM_MODULE"
fi
# RSA #####################################################
pkcs11-tool --module "$SOFTHSM_MODULE" --token-label "TestToken" --pin "env:GNUTLS_PIN" --so-pin "env:GNUTLS_SO_PIN" --keypairgen --key-type "RSA:2048" --label "RSATestKey" --usage-decrypt
certtool --generate-self-signed \
--load-privkey="pkcs11:token=TestToken;object=RSATestKey;type=private" \
--load-pubkey="pkcs11:token=TestToken;object=RSATestKey;type=public" \
--template "$TEST_BASE_DIR/$TESTNAME/template.cfg" \
--outder --outfile "/tmp/rsa_test.crt"
pkcs11-tool --module "$SOFTHSM_MODULE" --token-label "TestToken" --pin "env:GNUTLS_PIN" --so-pin "env:GNUTLS_SO_PIN" --write-object "/tmp/rsa_test.crt" --type cert --label "RSATestKey"
rm "/tmp/rsa_test.crt"
# prime256v1 ##############################################
pkcs11-tool --module "$SOFTHSM_MODULE" --token-label "TestToken" --pin "env:GNUTLS_PIN" --so-pin "env:GNUTLS_SO_PIN" --keypairgen --key-type "EC:prime256v1" --label "ECTestKey" --usage-derive
certtool --generate-self-signed \
--load-privkey="pkcs11:token=TestToken;object=ECTestKey;type=private" \
--load-pubkey="pkcs11:token=TestToken;object=ECTestKey;type=public" \
--template "$TEST_BASE_DIR/$TESTNAME/template.cfg" \
--outder --outfile "/tmp/ec_test.crt"
pkcs11-tool --module "$SOFTHSM_MODULE" --token-label "TestToken" --pin "env:GNUTLS_PIN" --so-pin "env:GNUTLS_SO_PIN" --write-object "/tmp/ec_test.crt" --type cert --label "ECTestKey"
rm "/tmp/ec_test.crt"
###########################################################
rm ${SOFTHSM2_CONF}
unset SOFTHSM2_CONF
inst_libs "$SOFTHSM_MODULE"
inst_library "$SOFTHSM_MODULE"
inst_simple "$P11_MODULE_CONFIGS_DIR/softhsm2.module"
cat >"$initdir/etc/softhsm2.conf" <<EOF
directories.tokendir = /usr/lib/softhsm/tokens/
objectstore.backend = file
slots.removable = false
slots.mechanisms = ALL
log.level = INFO
EOF
mkdir -p "$initdir/etc/systemd/system/systemd-cryptsetup@.service.d"
cat >"$initdir/etc/systemd/system/systemd-cryptsetup@.service.d/PKCS11.conf" <<EOF
[Unit]
# Make sure we can start systemd-cryptsetup@empty_pkcs11_auto.service many times
StartLimitBurst=10
[Service]
Environment="SOFTHSM2_CONF=/etc/softhsm2.conf"
Environment="PIN=$GNUTLS_PIN"
EOF
unset GNUTLS_PIN
unset GNUTLS_SO_PIN
}
test_create_image() {
create_empty_image_rootdir
echo -n test >"${TESTDIR:?}/keyfile"
cryptsetup -q luksFormat --uuid="$PART_UUID" --pbkdf pbkdf2 --pbkdf-force-iterations 1000 "${LOOPDEV:?}p4" "$TESTDIR/keyfile"
cryptsetup luksOpen "${LOOPDEV}p4" "${DM_NAME:?}" <"$TESTDIR/keyfile"
mkfs.ext4 -L var "/dev/mapper/$DM_NAME"
mkdir -p "${initdir:?}/var"
mount "/dev/mapper/$DM_NAME" "$initdir/var"
LOG_LEVEL=5
setup_basic_environment
mask_supporting_services
install_dmevent
generate_module_dependencies
if can_test_pkcs11; then
setup_pkcs11_token
fi
# Create a keydev
dd if=/dev/zero of="${STATEDIR:?}/keydev.img" bs=1M count=16
mkfs.ext4 -L varcrypt_keydev "$STATEDIR/keydev.img"
mkdir -p "$STATEDIR/keydev"
mount "$STATEDIR/keydev.img" "$STATEDIR/keydev"
echo -n test >"$STATEDIR/keydev/keyfile"
sync "$STATEDIR/keydev"
umount "$STATEDIR/keydev"
cat >>"$initdir/etc/fstab" <<EOF
/dev/mapper/$DM_NAME /var ext4 defaults 0 1
EOF
# Forward journal messages to the console, so we have something to investigate even if we fail to mount
# the encrypted /var
mkdir "$initdir/etc/systemd/journald.conf.d/"
echo -ne "[Journal]\nForwardToConsole=yes\n" >"$initdir/etc/systemd/journald.conf.d/99-forward.conf"
# If $INITRD wasn't provided explicitly, generate a custom one with dm-crypt
# support
if [[ -z "$INITRD" ]]; then
INITRD="${TESTDIR:?}/initrd.img"
dinfo "Generating a custom initrd with dm-crypt support in '${INITRD:?}'"
if command -v dracut >/dev/null; then
dracut --force --verbose --add crypt "$INITRD"
elif command -v mkinitcpio >/dev/null; then
mkinitcpio -S autodetect --addhooks sd-encrypt --generate "$INITRD"
elif command -v mkinitramfs >/dev/null; then
# The cryptroot hook is provided by the cryptsetup-initramfs package
if ! dpkg-query -s cryptsetup-initramfs; then
derror "Missing 'cryptsetup-initramfs' package for dm-crypt support in initrd"
return 1
fi
mkinitramfs -o "$INITRD"
else
dfatal "Unrecognized initrd generator, can't continue"
return 1
fi
fi
}
cleanup_root_var() {
mountpoint -q "$initdir/var" && umount "$initdir/var"
[[ -b "/dev/mapper/${DM_NAME:?}" ]] && cryptsetup luksClose "/dev/mapper/$DM_NAME"
mountpoint -q "${STATEDIR:?}/keydev" && umount "$STATEDIR/keydev"
}
test_cleanup() {
# ignore errors, so cleanup can continue
cleanup_root_var || :
_test_cleanup
}
test_setup_cleanup() {
cleanup_root_var || :
cleanup_initdir
}
do_test "$@"
|
