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#!/bin/sh
. /lib/functions.sh
. /lib/functions/network.sh
. /lib/mwan3/mwan3.sh
initscript=/etc/init.d/mwan3
. /lib/functions/procd.sh
SCRIPTNAME="mwan3-hotplug"
[ "$ACTION" = "ifup" ] || [ "$ACTION" = "ifdown" ] || [ "$ACTION" = "connected" ] || [ "$ACTION" = "disconnected" ] || exit 1
[ -n "$INTERFACE" ] || exit 2
[ "$FIRSTCONNECT" = "1" ] || [ "$MWAN3_SHUTDOWN" = "1" ] && exit 0
if { [ "$ACTION" = "ifup" ] || [ "$ACTION" = "connected" ] ; } && [ -z "$DEVICE" ]; then
LOG notice "$ACTION called on $INTERFACE with no device set"
exit 3
fi
[ "$MWAN3_STARTUP" = "init" ] || procd_lock
mwan3_init
/etc/init.d/mwan3 running || {
[ "$MWAN3_STARTUP" = "init" ] || procd_lock
LOG notice "mwan3 hotplug $ACTION on $INTERFACE not called because globally disabled"
exit 0
}
$IPT4 -S mwan3_hook &>/dev/null || {
LOG warn "hotplug called on $INTERFACE before mwan3 has been set up"
exit 0
}
if [ "$MWAN3_STARTUP" != "init" ] && [ "$ACTION" = "ifup" ]; then
mwan3_set_user_iface_rules $INTERFACE $DEVICE
fi
config_get_bool enabled $INTERFACE 'enabled' '0'
[ "${enabled}" -eq 1 ] || {
LOG notice "mwan3 hotplug on $INTERFACE not called because interface disabled"
exit 0
}
config_get initial_state $INTERFACE initial_state "online"
if [ "$initial_state" = "offline" ]; then
status=$(cat $MWAN3TRACK_STATUS_DIR/$INTERFACE/STATUS 2>/dev/null || echo unknown)
[ "$status" = "online" ] || status=offline
else
status=online
fi
LOG notice "Execute $ACTION event on interface $INTERFACE (${DEVICE:-unknown})"
case "$ACTION" in
connected)
mwan3_set_iface_hotplug_state $INTERFACE "online"
mwan3_set_policies_iptables
;;
ifup)
mwan3_create_iface_iptables $INTERFACE $DEVICE
mwan3_create_iface_rules $INTERFACE $DEVICE
mwan3_set_iface_hotplug_state $INTERFACE "$status"
if [ "$MWAN3_STARTUP" != "init" ]; then
mwan3_create_iface_route $INTERFACE $DEVICE
mwan3_set_general_rules
[ "$status" = "online" ] && mwan3_set_policies_iptables
fi
[ "$ACTION" = ifup ] && procd_running mwan3 "track_$INTERFACE" && procd_send_signal mwan3 "track_$INTERFACE" USR2
;;
disconnected)
mwan3_set_iface_hotplug_state $INTERFACE "offline"
mwan3_set_policies_iptables
;;
ifdown)
mwan3_set_iface_hotplug_state $INTERFACE "offline"
mwan3_delete_iface_ipset_entries $INTERFACE
mwan3_delete_iface_rules $INTERFACE
mwan3_delete_iface_route $INTERFACE
mwan3_delete_iface_iptables $INTERFACE
procd_running mwan3 "track_$INTERFACE" && procd_send_signal mwan3 "track_$INTERFACE" USR1
mwan3_set_policies_iptables
;;
esac
mwan3_flush_conntrack "$INTERFACE" "$ACTION"
exit 0
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