evobackup/lib/bkctld-key

#!/bin/sh
#
# Set or get ssh pubic key of <jailname>
# Usage: key <jailname> [<keyfile>]
#

# shellcheck source=./includes
LIBDIR="$(dirname $0)" && . "${LIBDIR}/includes"

jail_name="${1:?}"
keyfile="${2:-}"

if [ ! -n "${jail_name}" ]; then
    "${LIBDIR}/bkctld-help" && exit 1
fi
jail_path=$(jail_path "${jail_name}")

test -d "${jail_path}" || error "${jail_name}: jail is missing."

if [ -z "${keyfile}" ]; then
    if [ -f "${jail_path}/${AUTHORIZED_KEYS}" ]; then
        cat "${jail_path}/${AUTHORIZED_KEYS}"
    fi
else
    test -r "${keyfile}" || error "${jail_name}: SSH key '${keyfile}' is missing or is not readable."
    cat "${keyfile}" > "${jail_path}/${AUTHORIZED_KEYS}"
    chmod 600 "${jail_path}/${AUTHORIZED_KEYS}"
    notice "${jail_name}: SSH key has been updated with ${keyfile}"
fi