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104 lines
3.2 KiB
104 lines
3.2 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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. /usr/share/libubox/jshn.sh
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. /lib/mwan3/common.sh
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SCRIPTNAME="mwan3-hotplug"
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[ "$ACTION" = "ifup" ] || [ "$ACTION" = "ifdown" ] || [ "$ACTION" = "connected" ] || [ "$ACTION" = "disconnected" ] || exit 1
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[ -n "$INTERFACE" ] || exit 2
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if ( [ "$ACTION" = "ifup" ] || [ "$ACTION" = "connected" ] ) && [ -z "$DEVICE" ]; then
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LOG notice "$ACTION called on $INTERFACE with no device set"
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exit 3
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fi
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_lock "$ACTION" "$INTERFACE"
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config_load mwan3
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config_get_bool enabled globals 'enabled' '0'
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[ "${enabled}" -gt 0 ] || {
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_unlock "$ACTION" "$INTERFACE"
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LOG notice "mwan3 hotplug on $INTERFACE not called because globally disabled"
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mwan3_flush_conntrack "$INTERFACE" "$ACTION"
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exit 0
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}
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$IPT4 -S mwan3_hook &>/dev/null || {
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mwan3_unlock "$ACTION" "$INTERFACE"
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LOG warn "hotplug called on $INTERFACE before mwan3 has been set up"
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exit 0
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}
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mwan3_init
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[ "$MWAN3_STARTUP" = 1 ] || {
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mwan3_set_connected_iptables
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mwan3_set_custom_ipset
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}
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if [ "$MWAN3_STARTUP" != 1 ]; then
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mwan3_set_user_iface_rules $INTERFACE $DEVICE
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fi
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config_get initial_state $INTERFACE initial_state "online"
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config_get_bool enabled $INTERFACE 'enabled' '0'
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[ "${enabled}" -eq 1 ] || {
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_unlock "$ACTION" "$INTERFACE"
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LOG notice "mwan3 hotplug on $INTERFACE not called because interface disabled"
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exit 0
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}
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trackpid=$(pgrep -f "mwan3track $INTERFACE ")
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if [ "$initial_state" = "offline" ]; then
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status=$(cat $MWAN3TRACK_STATUS_DIR/$INTERFACE/STATUS 2>/dev/null || echo unknown)
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else
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status=online
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fi
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[ -z "$TRUE_INTERFACE" ] && mwan3_get_true_iface TRUE_INTERFACE $INTERFACE
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binary_status=$status
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[ "$binary_status" = "online" ] || binary_status=offline
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LOG notice "Execute "$ACTION" event on interface $INTERFACE (${DEVICE:-unknown})"
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case "$ACTION" in
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ifup|connected)
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mwan3_create_iface_iptables $INTERFACE $DEVICE
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mwan3_create_iface_rules $INTERFACE $DEVICE
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mwan3_create_iface_route $INTERFACE $DEVICE
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[ "$MWAN3_STARTUP" != 1 ] && mwan3_add_non_default_iface_route $INTERFACE $DEVICE
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mwan3_set_iface_hotplug_state $INTERFACE "$binary_status"
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mwan3_get_src_ip src_ip "$TRUE_INTERFACE"
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if [ -n "${trackpid}" ]; then
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device_pid=$(pgrep -f "mwan3track $INTERFACE $DEVICE ")
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if [ "$device_pid" = "$trackpid" ]; then
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[ "$ACTION" = ifup ] && kill -USR2 "$trackpid"
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else
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mwan3_track $INTERFACE $DEVICE "$binary_status" "$src_ip"
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LOG notice "Restarted tracker [$!] on interface $INTERFACE (${DEVICE:-unknown})"
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fi
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else
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mwan3_track $INTERFACE $DEVICE "$binary_status" "$src_ip"
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LOG notice "Started tracker [$!] on interface $INTERFACE (${DEVICE:-unknown})"
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fi
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[ "$MWAN3_STARTUP" != 1 ] && [ "$binary_status" == "online" ] && mwan3_set_policies_iptables
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;;
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ifdown|disconnected)
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mwan3_set_iface_hotplug_state $INTERFACE "offline"
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mwan3_delete_iface_ipset_entries $INTERFACE
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mwan3_delete_iface_rules $INTERFACE
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mwan3_delete_iface_route $INTERFACE
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mwan3_delete_iface_iptables $INTERFACE
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if [ "$ACTION" = "ifdown" ]; then
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[ -n "$trackpid" ] && kill -USR1 "$trackpid"
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fi
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mwan3_set_policies_iptables
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;;
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esac
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_unlock "$ACTION" "$INTERFACE"
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exit 0
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