#!/usr/bin/env bash # shellcheck disable=SC2016 set -eux systemd-analyze log-level debug # Verify that the creds are properly loaded and we can read them from the service's unpriv user systemd-run -p LoadCredential=passwd:/etc/passwd \ -p LoadCredential=shadow:/etc/shadow \ -p SetCredential=dog:wuff \ -p DynamicUser=1 \ --wait \ --pipe \ cat '${CREDENTIALS_DIRECTORY}/passwd' '${CREDENTIALS_DIRECTORY}/shadow' '${CREDENTIALS_DIRECTORY}/dog' >/tmp/ts54-concat ( cat /etc/passwd /etc/shadow && echo -n wuff ) | cmp /tmp/ts54-concat rm /tmp/ts54-concat # Verify that the creds are immutable systemd-run -p LoadCredential=passwd:/etc/passwd \ -p DynamicUser=1 \ --wait \ touch '${CREDENTIALS_DIRECTORY}/passwd' \ && { echo 'unexpected success'; exit 1; } systemd-run -p LoadCredential=passwd:/etc/passwd \ -p DynamicUser=1 \ --wait \ rm '${CREDENTIALS_DIRECTORY}/passwd' \ && { echo 'unexpected success'; exit 1; } systemd-analyze log-level info echo OK >/testok exit 0