67 lines
2.1 KiB
Bash
67 lines
2.1 KiB
Bash
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#!/bin/bash
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set -e
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source env.sh
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function error_exit {
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echo
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echo "$@"
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if [ -e "${AUTHORIZED_KEYS_PATH}.bkp" ]; then
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echo "Restore authorized_keys backup ${AUTHORIZED_KEYS_PATH}.bkp"
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mv "${AUTHORIZED_KEYS_PATH}.bkp" "${AUTHORIZED_KEYS_PATH}"
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fi
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exit 1
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}
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#Trap the killer signals so that we can exit with a good message.
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trap "error_exit 'Received signal SIGHUP'" SIGHUP
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trap "error_exit 'Received signal SIGINT'" SIGINT
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trap "error_exit 'Received signal SIGTERM'" SIGTERM
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echo "######################################################"
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echo "* Regenerate borgserver authorized_keys *"
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echo "######################################################"
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if [ -e "${AUTHORIZED_KEYS_PATH}" ]; then
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cp "${AUTHORIZED_KEYS_PATH}" "${AUTHORIZED_KEYS_PATH}.bkp"
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rm "${AUTHORIZED_KEYS_PATH}"
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fi
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# Add every key to borg-users authorized_keys
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for keyfile in $(find "${SSH_KEY_DIR}/clients" ! -regex '.*/\..*' -a -type f); do
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client_name=$(basename ${keyfile})
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echo "Add $client_name ssh key"
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if [ ! -d "${BORG_DATA_DIR}/${client_name}" ]; then
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mkdir "${BORG_DATA_DIR}/${client_name}" #2>/dev/null
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echo " ** Adding client ${client_name} with repo path ${BORG_DATA_DIR}/${client_name}"
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else
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echo "Directory ${BORG_DATA_DIR}/${client_name} exists: Nothing to do"
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fi
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# If client is $BORG_ADMIN unset $client_name, so path restriction equals $BORG_DATA_DIR
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# Otherwise add --append-only, if enabled
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borg_cmd=${BORG_CMD}
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if [ "${client_name}" == "${BORG_ADMIN}" ] ; then
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echo " ** Client '${client_name}' is BORG_ADMIN! **"
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unset client_name
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elif [ "${BORG_APPEND_ONLY}" == "yes" ] ; then
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borg_cmd="${BORG_CMD} --append-only"
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fi
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echo -n "command=\"$(eval echo -n \"${borg_cmd}\")\" " >> ${AUTHORIZED_KEYS_PATH}
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cat ${keyfile} >> ${AUTHORIZED_KEYS_PATH}
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done
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echo " * Validating structure of generated ${AUTHORIZED_KEYS_PATH}..."
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ERROR=$(ssh-keygen -lf ${AUTHORIZED_KEYS_PATH} 2>&1 >/dev/null)
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if [ $? -ne 0 ]; then
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echo "ERROR: ${ERROR}"
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exit 1
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fi
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chown -R borg:borg ${BORG_DATA_DIR}
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chown borg:borg ${AUTHORIZED_KEYS_PATH}
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chmod 600 ${AUTHORIZED_KEYS_PATH}
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rm -f ${AUTHORIZED_KEYS_PATH}.bkp
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