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#!/bin/sh
. /lib/functions.sh
. /lib/mwan3/mwan3.sh
. /lib/functions/network.sh
[ "$ACTION" = "ifup" -o "$ACTION" = "ifdown" ] || exit 1
[ -n "$INTERFACE" ] || exit 2
if [ "$ACTION" = "ifup" ]; then
[ -n "$DEVICE" ] || exit 3
fi
config_load mwan3
config_get_bool enabled globals 'enabled' '0'
[ ${enabled} -gt 0 ] || exit 0
config_get local_source globals local_source 'none'
[ "${local_source}" = "none" ] && {
exit 0
}
[ "${local_source}" = "$INTERFACE" ] || {
exit 0
}
mwan3_lock
src_ip=$(uci_get_state mwan3 globals src_ip)
[ "${src_ip}" != "" ] && {
ip route del default via "${src_ip}" dev lo 1>/dev/null 2>&1
ip addr del "${src_ip}/32" dev lo 1>/dev/null 2>&1
}
sleep 1
[ "$ACTION" = "ifup" ] && {
network_get_ipaddr src_ip "${local_source}"
if [ "${src_ip}" = "" ]; then
$LOG warn "Unable to set source ip for own initiated traffic (${local_source})"
else
ip addr add "${src_ip}/32" dev lo
ip route add default via "${src_ip}" dev lo
uci_toggle_state mwan3 globals src_ip "${src_ip}"
fi
}
mwan3_unlock
exit 0
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