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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
systemd-analyze log-level debug
systemd-analyze log-target console
function test_directory() {
local directory="$1"
local path="$2"
# Set everything up without DynamicUser=1
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz touch "${path}"/zzz/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz test -f "${path}"/zzz/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz -p TemporaryFileSystem="${path}" test -f "${path}"/zzz/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz:yyy test -f "${path}"/yyy/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz:xxx -p TemporaryFileSystem="${path}" test -f "${path}"/xxx/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz:xxx -p TemporaryFileSystem="${path}":ro test -f "${path}"/xxx/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz test -f "${path}"/zzz/test-missing \
&& { echo 'unexpected success'; exit 1; }
test -d "${path}"/zzz
test ! -L "${path}"/zzz
test ! -e "${path}"/private/zzz
test -f "${path}"/zzz/test
test ! -f "${path}"/zzz/test-missing
# Convert to DynamicUser=1
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=1 -p "${directory}"=zzz test -f "${path}"/zzz/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=1 -p "${directory}"=zzz -p TemporaryFileSystem="${path}" test -f "${path}"/zzz/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=1 -p "${directory}"=zzz:yyy test -f "${path}"/yyy/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=1 -p "${directory}"=zzz:xxx -p TemporaryFileSystem="${path}" test -f "${path}"/xxx/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=1 -p "${directory}"=zzz:xxx -p TemporaryFileSystem="${path}":ro test -f "${path}"/xxx/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=1 -p "${directory}"=zzz test -f "${path}"/zzz/test-missing \
&& { echo 'unexpected success'; exit 1; }
test -L "${path}"/zzz
test -L "${path}"/yyy
test -d "${path}"/private/zzz
test ! -L "${path}"/private/xxx
test ! -L "${path}"/xxx
test -f "${path}"/zzz/test
test ! -f "${path}"/zzz/test-missing
# Convert back
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz test -f "${path}"/zzz/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz -p TemporaryFileSystem="${path}" test -f "${path}"/zzz/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz:yyy test -f "${path}"/yyy/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz:xxx -p TemporaryFileSystem="${path}" test -f "${path}"/xxx/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}=zzz:xxx zzz:xxx2" -p TemporaryFileSystem="${path}" bash -c "test -f ${path}/xxx/test && test -f ${path}/xxx2/test"
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz:xxx -p TemporaryFileSystem="${path}":ro test -f "${path}"/xxx/test
systemd-run --wait -p RuntimeDirectoryPreserve=yes -p DynamicUser=0 -p "${directory}"=zzz test -f "${path}"/zzz/test-missing \
&& { echo 'unexpected success'; exit 1; }
# Exercise the unit parsing paths too
cat >/run/systemd/system/testservice-34.service <<EOF
[Service]
Type=oneshot
TemporaryFileSystem=${path}
RuntimeDirectoryPreserve=yes
${directory}=zzz:x\:yz zzz:x\:yz2
ExecStart=test -f ${path}/x:yz2/test
ExecStart=test -f ${path}/x:yz/test
ExecStart=test -f ${path}/zzz/test
EOF
systemctl daemon-reload
systemctl start --wait testservice-34.service
test -d "${path}"/zzz
test ! -L "${path}"/xxx
test ! -L "${path}"/xxx2
test ! -L "${path}"/private/xxx
test ! -L "${path}"/private/xxx2
test -L "${path}"/yyy
test ! -L "${path}"/zzz
test ! -e "${path}"/private/zzz
test -f "${path}"/zzz/test
test ! -f "${path}"/zzz/test-missing
test ! -L "${path}"/x:yz
test ! -L "${path}"/x:yz2
}
test_directory "StateDirectory" "/var/lib"
test_directory "RuntimeDirectory" "/run"
test_directory "CacheDirectory" "/var/cache"
test_directory "LogsDirectory" "/var/log"
systemd-analyze log-level info
echo OK >/testok
exit 0
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