# #
###############################################################################
+IN_HOTPLUG_EVENT=1
+
+# Setup logging.
+LOG_FACILITY="network-hotplug"
+
. /usr/lib/network/functions
# Read network settings
network_settings_read
-# Setup logging.
-LOG_FACILITY="network-hotplug"
-
-log DEBUG "Called with ACTION='${ACTION}', INTERFACE='${INTERFACE}'."
+log DEBUG "Called with SUBSYSTEM='${SUBSYSTEM}', ACTION='${ACTION}'"
# Check if the udev environment variables are properly set.
assert isset ACTION
-assert isset INTERFACE
-# Check, if the device is a physical network interface and
-# if we can handle it.
-if device_exists ${INTERFACE}; then
- # Skip wireless monitor devices
- if device_is_wireless_monitor "${INTERFACE}"; then
- exit ${EXIT_OK}
- fi
+case "${SUBSYSTEM}" in
+ ieee80211)
+ PHY="$(basename "${DEVPATH}")"
+ if phy_exists "${PHY}"; then
+ PHY_ADDRESS="$(phy_get_address "${PHY}")"
+ log DEBUG " PHY='${PHY}', PHY_ADDRESS='${PHY_ADDRESS}'"
+ else
+ PHY=""
+ fi
- type="$(device_get_type "${INTERFACE}")"
- case "${type}" in
- # Remove automatically created bonding interface without any configuration
- bonding)
- port_exists "${INTERFACE}" || bonding_remove "${INTERFACE}"
- exit ${EXIT_OK}
- ;;
- ethernet)
- log DEBUG "Called for interface '${INTERFACE}' which is a virtual interface. Exiting."
- exit ${EXIT_OK}
- ;;
- esac
-fi
+ # Propagate the hotplug event to all configured port hooks
+ hotplug_propagate_all_ports || exit ${EXIT_ERROR}
+ ;;
+
+ net)
+ assert isset INTERFACE
-case "${ACTION}" in
- add|register)
- # Handle hotplug events for zones.
+ # Don't do anything for zones
if zone_exists "${INTERFACE}"; then
- # TODO When e.g. a wireless device is plugged in,
- # the right zone needs to be searched and started.
exit ${EXIT_OK}
+ fi
- # Check, if there is a port configuration for that device.
- elif port_exists ${INTERFACE}; then
- port=${INTERFACE}
+ # Get the internal type of the device for later processing
+ TYPE="$(device_get_type "${INTERFACE}")"
- # Create new configuration for _real_ network devices.
- else
- type=$(device_get_type ${INTERFACE})
- case "${type}" in
- # If the given device was not configured,
- # we create an initial configuration.
- ethernet|real)
- port_create ethernet ${INTERFACE}
- ;;
-
- # Handle batman-adv and wireless devices.
- batman-adv|batman-adv-port|wireless)
- # Load regulatory domain for wireless devices
- wireless_init_reg_domain
-
- # Save the phy of this device for later.
- phy=$(phy_get ${INTERFACE})
- assert isset phy
-
- # Remove the unconfigured wireless device.
- wireless_remove ${INTERFACE}
-
- # Create configured child devices.
- for port in $(ports_get_all); do
- port_cmd hotplug "${port}" "${phy}"
- ret=$?
-
- case "${ret}" in
- ${EXIT_OK})
- log DEBUG "phy '${phy}' was handled by port '${port}'"
- ;;
- ${EXIT_NOT_HANDLED})
- : # do nothing
- ;;
- *)
- log WARNING "Unknown exit code for port '${port}': ${ret}"
- ;;
- esac
- done
- ;;
-
- # Do nothing for all the rest.
- *)
- log DEBUG "Don't create a port configuration for device '${INTERFACE}' of type '${type}'."
- ;;
- esac
+ log DEBUG " INTERFACE='${INTERFACE}', TYPE='${TYPE}'"
+
+ # Stop processing rules for wireless monitoring devices
+ if device_is_wireless_monitor "${INTERFACE}"; then
exit ${EXIT_OK}
fi
- # Check, if the device is configured in a zone.
- # If not, there is nothing to do.
- zone=$(port_zone "${port}")
- if isset zone; then
- zone_hotplug_event "${zone}"
- exit ${?}
+ # Handle special cases like removing automatically created
+ # devices that we don't want
+ case "${ACTION},${TYPE}" in
+ # Bonding
+ add,bonding)
+ # Remove bonding devices without configuration
+ if ! port_exists "${INTERFACE}"; then
+ bonding_remove "${INTERFACE}"
+ exit ${EXIT_OK}
+ fi
+ ;;
+
+ # Ethernet
+ add,ethernet)
+ # Create a default port for all ethernet devices
+ if ! port_exists "${INTERFACE}"; then
+ port_create "ethernet" "${INTERFACE}"
+ exit ${EXIT_OK}
+ fi
+ ;;
+
+ # Wireless devices
+ add,wireless)
+ # Remove wireless devices without configuration
+ if ! port_exists "${INTERFACE}"; then
+ wireless_remove "${INTERFACE}"
+ exit ${EXIT_OK}
+ fi
+
+ # Load regulatory domain for wireless devices
+ wireless_init_reg_domain
+ ;;
+
+ # Don't propagate removal events for ports that don't exist
+ remove,*)
+ if ! port_exists "${INTERFACE}"; then
+ exit ${EXIT_OK}
+ fi
+ ;;
+ esac
+
+ if ! port_exists "${INTERFACE}"; then
+ log ERROR "Got to hotplug event for a port which does not exist: ${INTERFACE}"
+ exit ${EXIT_ERROR}
fi
+
+ # Propagate the hotplug event to all configured port hooks
+ hotplug_propagate_all_ports || exit ${EXIT_ERROR}
+
+ # Check, if the device is configured in a zone.
+ # If so, propagate the event to the zone, too.
+ case "${ACTION}" in
+ add)
+ zone="$(port_zone "${INTERFACE}")"
+ if isset zone; then
+ zone_hotplug_event "${zone}" || exit ${EXIT_ERROR}
+ fi
+ ;;
+ esac
+
+ exit ${EXIT_OK}
;;
- remove|unregister)
- # After the interface has been removed/unplugged,
- # there are often daemons (like hostapd) which need
- # to be stopped.
- port_exists ${INTERFACE} && port_down ${INTERFACE}
+ *)
+ log ERROR "Called for an unsupported subsystem: ${SUBSYSTEM}"
+ exit ${EXIT_ERROR}
;;
esac
-exit ${EXIT_OK}
+exit ${EXIT_NOT_HANDLED}
projects / people / stevee / network.git / blobdiff