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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"
)
KERNEL_APPEND+=" ${KERNEL_OPTIONS[*]}"
QEMU_OPTIONS+=" -drive format=raw,cache=unsafe,file=${STATEDIR:?}/keydev.img"
check_result_qemu() {
local ret
mount_initdir
cryptsetup luksOpen "${LOOPDEV:?}p2" "${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 $ret
}
test_create_image() {
create_empty_image_rootdir
echo -n test >"${TESTDIR:?}/keyfile"
cryptsetup -q luksFormat --uuid="$PART_UUID" --pbkdf pbkdf2 --pbkdf-force-iterations 1000 "${LOOPDEV:?}p2" "$TESTDIR/keyfile"
cryptsetup luksOpen "${LOOPDEV}p2" "${DM_NAME:?}" <"$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
# 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 "$INITRD"
elif command -v mkinitcpio >/dev/null; then
mkinitcpio --addhooks sd-encrypt --generate "$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 "$STATEDIR/keydev"
}
test_cleanup() {
# ignore errors, so cleanup can continue
cleanup_root_var || :
_test_cleanup
}
test_setup_cleanup() {
cleanup_root_var || :
cleanup_initdir
}
do_test "$@"
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