Files
addons/zwave_js/rootfs/etc/cont-init.d/config.sh
2021-11-09 13:45:03 +01:00

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#!/usr/bin/with-contenv bashio
# ==============================================================================
# Generate Z-Wave JS config file
# ==============================================================================
declare network_key
declare network_key_upper
declare s0_legacy_key
declare s0_legacy
declare s2_access_control
declare s2_authenticated
declare s2_unauthenticated
declare log_level
declare flush_to_disk
declare host_chassis
declare soft_reset
readonly DOCS_EXAMPLE_KEY_1="2232666D100F795E5BB17F0A1BB7A146"
readonly DOCS_EXAMPLE_KEY_2="A97D2A51A6D4022998BEFC7B5DAE8EA1"
readonly DOCS_EXAMPLE_KEY_3="309D4AAEF63EFD85967D76ECA014D1DF"
readonly DOCS_EXAMPLE_KEY_4="CF338FE0CB99549F7C0EA96308E5A403"
if bashio::config.has_value 'network_key'; then
# If both 'network_key' and 's0_legacy_key' are set and keys don't match,
# we don't know which one to pick so we have to exit. If they are both set
# and do match, we don't need to do anything
if bashio::config.has_value 's0_legacy_key'; then
network_key=$(bashio::string.upper "$(bashio::config 'network_key')")
s0_legacy_key=$(bashio::string.upper "$(bashio::config 's0_legacy_key')")
if [ "${network_key}" == "${s0_legacy_key}" ]; then
bashio::log.info "Both 'network_key' and 's0_legacy_key' are set and match. All ok."
else
bashio::log.fatal "Both 'network_key' and 's0_legacy_key' are set to different values "
bashio::log.fatal "so we are unsure which one to use. One needs to be removed from the "
bashio::log.fatal "configuration in order to start the addon."
bashio::exit.nok
fi
# If we get here, 'network_key' is set and 's0_legacy_key' is not set so we need
# to migrate the key from 'network_key' to 's0_legacy_key'
else
bashio::log.info "Migrating \"network_key\" option to \"s0_legacy_key\"..."
bashio::addon.option s0_legacy_key "$(bashio::config 'network_key')"
bashio::log.info "Flushing config to disk due to key migration..."
bashio::addon.options > "/data/options.json"
fi
fi
# Validate that no keys are using the example from the docs and generate new random
# keys for any missing keys.
for key in "s0_legacy_key" "s2_access_control_key" "s2_authenticated_key" "s2_unauthenticated_key"; do
network_key=$(bashio::config "${key}")
network_key_upper=$(bashio::string.upper "${network_key}")
if [ "${network_key_upper}" == "${DOCS_EXAMPLE_KEY_1}" ] || [ "${network_key_upper}" == "${DOCS_EXAMPLE_KEY_2}" ] || [ "${network_key_upper}" == "${DOCS_EXAMPLE_KEY_3}" ] || [ "${network_key_upper}" == "${DOCS_EXAMPLE_KEY_4}" ]; then
bashio::log.fatal
bashio::log.fatal "The add-on detected that the Z-Wave network key used"
bashio::log.fatal "is from the documented example."
bashio::log.fatal
bashio::log.fatal "Using this key is insecure, because it is publicly"
bashio::log.fatal "listed in the documentation."
bashio::log.fatal
bashio::log.fatal "Please check the add-on documentation on how to"
bashio::log.fatal "create your own, secret, \"${key}\" and replace"
bashio::log.fatal "the one you have configured."
bashio::log.fatal
bashio::log.fatal "Click on the \"Documentation\" tab in the Z-Wave JS"
bashio::log.fatal "add-on panel for more information."
bashio::log.fatal
bashio::exit.nok
elif ! bashio::var.has_value "${network_key}"; then
bashio::log.info "No ${key} is set, generating one..."
network_key="$(hexdump -n 16 -e '4/4 "%08X" 1 "\n"' /dev/random)"
bashio::addon.option ${key} "${network_key}"
flush_to_disk=1
fi
# If `network_key` is unset, we set it to match `s0_legacy_key` for backwards compatibility
if bashio::var.equals "${key}" "s0_legacy_key" && ! bashio::config.has_value "network_key"; then
bashio::log.info "No 'network_key' detected, setting it to 's0_legacy_key' for backwards compatibility"
bashio::addon.option network_key "${network_key}"
flush_to_disk=1
fi
done
# If flush_to_disk is set, it means we have generated new key(s) and they need to get
# flushed to disk
if [[ ${flush_to_disk:+x} ]]; then
bashio::log.info "Flushing config to disk due to creation of new key(s)..."
bashio::addon.options > "/data/options.json"
fi
s0_legacy=$(bashio::config "s0_legacy_key")
s2_access_control=$(bashio::config "s2_access_control_key")
s2_authenticated=$(bashio::config "s2_authenticated_key")
s2_unauthenticated=$(bashio::config "s2_unauthenticated_key")
if ! bashio::config.has_value 'log_level'; then
log_level=$(bashio::info.logging)
bashio::log.info "No log level specified, falling back to Supervisor"
bashio::log.info "log level (${log_level})..."
else
log_level=$(bashio::config 'log_level')
fi
host_chassis=$(bashio::host.chassis)
if [ "${host_chassis}" == "vm" ]; then
soft_reset=false
bashio::log.info "Virtual Machine detected, disabling soft-reset"
else
soft_reset=true
bashio::log.info "Virtual Machine not detected, enabling soft-reset"
fi
# Generate config
bashio::var.json \
s0_legacy "${s0_legacy}" \
s2_access_control "${s2_access_control}" \
s2_authenticated "${s2_authenticated}" \
s2_unauthenticated "${s2_unauthenticated}" \
log_level "${log_level}" \
soft_reset "^${soft_reset}" \
| tempio \
-template /usr/share/tempio/zwave_config.conf \
-out /etc/zwave_config.json