diff options
Diffstat (limited to '')
| -rwxr-xr-x | test/units/testsuite-24.sh | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/test/units/testsuite-24.sh b/test/units/testsuite-24.sh new file mode 100755 index 0000000..391dcf9 --- /dev/null +++ b/test/units/testsuite-24.sh @@ -0,0 +1,216 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +set -eux +set -o pipefail + +# TODO: +# - /proc/cmdline parsing +# - figure out token support (apart from TPM2, as that's covered by TEST-70-TPM2) +# - this might help https://www.qemu.org/docs/master/system/devices/ccid.html +# - expect + interactive auth? + +# We set up an encrypted /var partition which should get mounted automatically +# on boot +mountpoint /var + +systemctl --state=failed --no-legend --no-pager | tee /failed +if [[ -s /failed ]]; then + echo >&2 "Found units in failed state" + exit 1 +fi + +at_exit() { + set +e + + mountpoint -q /proc/cmdline && umount /proc/cmdline + rm -f /etc/crypttab + [[ -e /tmp/crypttab.bak ]] && cp -fv /tmp/crypttab.bak /etc/crypttab + [[ -n "${STORE_LOOP:-}" ]] && losetup -d "$STORE_LOOP" + [[ -n "${WORKDIR:-}" ]] && rm -rf "$WORKDIR" + + systemctl daemon-reload +} + +trap at_exit EXIT + +cryptsetup_start_and_check() { + local expect_fail=0 + local ec volume unit + + if [[ "${1:?}" == "-f" ]]; then + expect_fail=1 + shift + fi + + for volume in "$@"; do + unit="systemd-cryptsetup@$volume.service" + + # The unit existence check should always pass + [[ "$(systemctl show -P LoadState "$unit")" == loaded ]] + systemctl list-unit-files "$unit" + + systemctl start "$unit" && ec=0 || ec=$? + if [[ "$expect_fail" -ne 0 ]]; then + if [[ "$ec" -eq 0 ]]; then + echo >&2 "Unexpected pass when starting $unit" + return 1 + fi + + return 0 + fi + + if [[ "$ec" -ne 0 ]]; then + echo >&2 "Unexpected fail when starting $unit" + return 1 + fi + + systemctl status "$unit" + test -e "/dev/mapper/$volume" + systemctl stop "$unit" + test ! -e "/dev/mapper/$volume" + done + + return 0 +} + +# Note: some stuff (especially TPM-related) is already tested by TEST-70-TPM2, +# so focus more on other areas instead + +# Use a common workdir to make the cleanup easier +WORKDIR="$(mktemp -d)" + +# Prepare a couple of LUKS2-encrypted disk images +# +# 1) Image with an empty password +IMAGE_EMPTY="$WORKDIR/empty.img)" +IMAGE_EMPTY_KEYFILE="$WORKDIR/empty.keyfile" +IMAGE_EMPTY_KEYFILE_ERASE="$WORKDIR/empty-erase.keyfile" +IMAGE_EMPTY_KEYFILE_ERASE_FAIL="$WORKDIR/empty-erase-fail.keyfile)" +truncate -s 32M "$IMAGE_EMPTY" +echo -n passphrase >"$IMAGE_EMPTY_KEYFILE" +chmod 0600 "$IMAGE_EMPTY_KEYFILE" +cryptsetup luksFormat --batch-mode \ + --pbkdf pbkdf2 \ + --pbkdf-force-iterations 1000 \ + --use-urandom \ + "$IMAGE_EMPTY" "$IMAGE_EMPTY_KEYFILE" +PASSWORD=passphrase NEWPASSWORD="" systemd-cryptenroll --password "$IMAGE_EMPTY" +# Duplicate the key file to test keyfile-erase as well +cp -v "$IMAGE_EMPTY_KEYFILE" "$IMAGE_EMPTY_KEYFILE_ERASE" +# The key should get erased even on a failed attempt, so test that too +cp -v "$IMAGE_EMPTY_KEYFILE" "$IMAGE_EMPTY_KEYFILE_ERASE_FAIL" + +# 2) Image with a detached header and a key file offset + size +IMAGE_DETACHED="$WORKDIR/detached.img" +IMAGE_DETACHED_KEYFILE="$WORKDIR/detached.keyfile" +IMAGE_DETACHED_KEYFILE2="$WORKDIR/detached.keyfile2" +IMAGE_DETACHED_HEADER="$WORKDIR/detached.header" +truncate -s 32M "$IMAGE_DETACHED" +dd if=/dev/urandom of="$IMAGE_DETACHED_KEYFILE" count=64 bs=1 +dd if=/dev/urandom of="$IMAGE_DETACHED_KEYFILE2" count=32 bs=1 +chmod 0600 "$IMAGE_DETACHED_KEYFILE" "$IMAGE_DETACHED_KEYFILE2" +cryptsetup luksFormat --batch-mode \ + --pbkdf pbkdf2 \ + --pbkdf-force-iterations 1000 \ + --use-urandom \ + --header "$IMAGE_DETACHED_HEADER" \ + --keyfile-offset 32 \ + --keyfile-size 16 \ + "$IMAGE_DETACHED" "$IMAGE_DETACHED_KEYFILE" +# Also, add a second key file to key slot 8 +# Note: --key-slot= behaves as --new-key-slot= when used alone for backwards compatibility +cryptsetup luksAddKey --batch-mode \ + --header "$IMAGE_DETACHED_HEADER" \ + --key-file "$IMAGE_DETACHED_KEYFILE" \ + --keyfile-offset 32 \ + --keyfile-size 16 \ + --key-slot 8 \ + "$IMAGE_DETACHED" "$IMAGE_DETACHED_KEYFILE2" + +# Prepare a couple of dummy devices we'll store a copy of the detached header +# and one of the keys on to test if systemd-cryptsetup correctly mounts them +# when necessary +STORE_IMAGE="$WORKDIR/store.img" +truncate -s 64M "$STORE_IMAGE" +STORE_LOOP="$(losetup --show --find --partscan "$STORE_IMAGE")" +sfdisk "$STORE_LOOP" <<EOF +label: gpt +type=0FC63DAF-8483-4772-8E79-3D69D8477DE4 name=header_store size=32M +type=0FC63DAF-8483-4772-8E79-3D69D8477DE4 name=keyfile_store +EOF +udevadm settle --timeout=30 +mkdir -p /mnt +mkfs.ext4 -L header_store "/dev/disk/by-partlabel/header_store" +mount "/dev/disk/by-partlabel/header_store" /mnt +cp "$IMAGE_DETACHED_HEADER" /mnt/header +umount /mnt +mkfs.ext4 -L keyfile_store "/dev/disk/by-partlabel/keyfile_store" +mount "/dev/disk/by-partlabel/keyfile_store" /mnt +cp "$IMAGE_DETACHED_KEYFILE2" /mnt/keyfile +umount /mnt +udevadm settle --timeout=30 + +# Prepare our test crypttab +[[ -e /etc/crypttab ]] && cp -fv /etc/crypttab /tmp/crypttab.bak +cat >/etc/crypttab <<EOF +# headless should translate to headless=1 +empty_key $IMAGE_EMPTY $IMAGE_EMPTY_KEYFILE headless,x-systemd.device-timeout=1m +empty_key_erase $IMAGE_EMPTY $IMAGE_EMPTY_KEYFILE_ERASE headless=1,keyfile-erase=1 +empty_key_erase_fail $IMAGE_EMPTY $IMAGE_EMPTY_KEYFILE_ERASE_FAIL headless=1,keyfile-erase=1,keyfile-offset=4 +# Empty passphrase without try-empty-password(=yes) shouldn't work +empty_fail0 $IMAGE_EMPTY - headless=1 +empty_fail1 $IMAGE_EMPTY - headless=1,try-empty-password=0 +empty0 $IMAGE_EMPTY - headless=1,try-empty-password +empty1 $IMAGE_EMPTY - headless=1,try-empty-password=1 +# This one expects the key to be under /{etc,run}/cryptsetup-keys.d/empty_nokey.key +empty_nokey $IMAGE_EMPTY - headless=1 + +detached $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE headless=1,header=$IMAGE_DETACHED_HEADER,keyfile-offset=32,keyfile-size=16 +detached_store0 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE headless=1,header=/header:LABEL=header_store,keyfile-offset=32,keyfile-size=16 +detached_store1 $IMAGE_DETACHED /keyfile:LABEL=keyfile_store headless=1,header=$IMAGE_DETACHED_HEADER +detached_store2 $IMAGE_DETACHED /keyfile:LABEL=keyfile_store headless=1,header=/header:LABEL=header_store +detached_fail0 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE headless=1,header=$IMAGE_DETACHED_HEADER,keyfile-offset=32 +detached_fail1 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE headless=1,header=$IMAGE_DETACHED_HEADER +detached_fail2 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE headless=1 +detached_fail3 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE headless=1,header=$IMAGE_DETACHED_HEADER,keyfile-offset=16,keyfile-size=16 +detached_fail4 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE headless=1,header=$IMAGE_DETACHED_HEADER,keyfile-offset=32,keyfile-size=8 +detached_slot0 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE2 headless=1,header=$IMAGE_DETACHED_HEADER +detached_slot1 $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE2 headless=1,header=$IMAGE_DETACHED_HEADER,key-slot=8 +detached_slot_fail $IMAGE_DETACHED $IMAGE_DETACHED_KEYFILE2 headless=1,header=$IMAGE_DETACHED_HEADER,key-slot=0 +EOF + +# Temporarily drop luks.name=/luks.uuid= from the kernel command line, as it makes +# systemd-cryptsetup-generator ignore mounts from /etc/crypttab that are not also +# specified on the kernel command line +sed -r 's/luks.(name|uuid)=[^[:space:]+]//' /proc/cmdline >/tmp/cmdline.tmp +mount --bind /tmp/cmdline.tmp /proc/cmdline +# Run the systemd-cryptsetup-generator once explicitly, to collect coverage, +# as during daemon-reload we run generators in a sandbox +mkdir -p /tmp/systemd-cryptsetup-generator.out +/usr/lib/systemd/system-generators/systemd-cryptsetup-generator /tmp/systemd-cryptsetup-generator.out/ +systemctl daemon-reload +systemctl list-unit-files "systemd-cryptsetup@*" + +cryptsetup_start_and_check empty_key +test -e "$IMAGE_EMPTY_KEYFILE_ERASE" +cryptsetup_start_and_check empty_key_erase +test ! -e "$IMAGE_EMPTY_KEYFILE_ERASE" +test -e "$IMAGE_EMPTY_KEYFILE_ERASE_FAIL" +cryptsetup_start_and_check -f empty_key_erase_fail +test ! -e "$IMAGE_EMPTY_KEYFILE_ERASE_FAIL" +cryptsetup_start_and_check -f empty_fail{0..1} +cryptsetup_start_and_check empty{0..1} +# First, check if we correctly fail without any key +cryptsetup_start_and_check -f empty_nokey +# And now provide the key via /{etc,run}/cryptsetup-keys.d/ +mkdir -p /run/cryptsetup-keys.d +cp "$IMAGE_EMPTY_KEYFILE" /run/cryptsetup-keys.d/empty_nokey.key +cryptsetup_start_and_check empty_nokey + +cryptsetup_start_and_check detached +cryptsetup_start_and_check detached_store{0..2} +cryptsetup_start_and_check -f detached_fail{0..4} +cryptsetup_start_and_check detached_slot{0..1} +cryptsetup_start_and_check -f detached_slot_fail + +echo OK >/testok |