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98 lines
2.2 KiB
98 lines
2.2 KiB
#!/bin/sh
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. /lib/functions.sh
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. /lib/functions/network.sh
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. /lib/mwan3/mwan3.sh
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LOG="logger -t mwan3[$$] -p"
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[ "$ACTION" = "connected" -o "$ACTION" = "disconnected" ] || exit 1
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[ -n "$INTERFACE" ] || exit 2
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if [ "$ACTION" = "connected" ]; then
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[ -n "$DEVICE" ] || exit 3
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fi
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config_load mwan3
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config_get_bool enabled globals 'enabled' '0'
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config_get local_source globals 'local_source' 'none'
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[ ${enabled} = "1" ] || exit 0
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[ ${local_source} = "none" ] || exit 0
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config_get enabled $INTERFACE enabled 0
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config_get online_metric $INTERFACE online_metric 0
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[ "$enabled" == "1" ] || exit 0
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if [ "$online_metric" = 0 ]; then
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$LOG notice "No online metric for interface "$INTERFACE" found"
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exit 0
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fi
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mwan3_add_failover_metric() {
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local iface="$1"
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local device="$2"
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local metric="$3"
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local route_args
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config_get family $iface family ipv4
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if [ "$family" == "ipv4" ]; then
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if ubus call network.interface.${iface}_4 status 1>/dev/null 2>&1; then
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network_get_gateway route_args ${iface}_4
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else
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network_get_gateway route_args $iface
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fi
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if [ -n "$route_args" -a "$route_args" != "0.0.0.0" ]; then
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route_args="via $route_args"
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else
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route_args=""
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fi
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$IP4 route add default $route_args dev $device proto static metric $metric 1>/dev/null 2>&1
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fi
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if [ "$family" == "ipv6" ]; then
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if ubus call network.interface.${iface}_6 status 1>/dev/null 2>&1; then
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network_get_gateway6 route_args ${iface}_6
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else
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network_get_gateway6 route_args $iface
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fi
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if [ -n "$route_args" -a "$route_args" != "::" ]; then
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route_args="via $route_args"
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else
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route_args=""
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fi
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$IP6 route add default $route_args dev $device proto static metric $metric 1>/dev/null 2>&1
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fi
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}
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mwan3_del_failover_metric() {
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local iface="$1"
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local device="$2"
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local metric="$3"
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config_get family $iface family ipv4
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if [ "$family" == "ipv4" ]; then
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$IP4 route del default dev $device proto static metric $metric 1>/dev/null 2>&1
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fi
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if [ "$family" == "ipv6" ]; then
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$IP6 route del default dev $device proto static metric $metric 1>/dev/null 2>&1
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fi
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}
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case "$ACTION" in
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connected)
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mwan3_add_failover_metric "$INTERFACE" "$DEVICE" "$online_metric"
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;;
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disconnected)
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mwan3_del_failover_metric "$INTERFACE" "$DEVICE" "$online_metric"
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;;
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esac
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exit 0
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