2021-04-27 10:00:16 +00:00
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#!/bin/sh
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# 2021-04-27
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if [ $# -lt 2 ]; then
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echo "$0 host ipv4-address interface [private-key]"
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echo " host: where to find the OpenWRT device"
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echo " ipv4-address: which ipv4 address to use"
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echo " private-key: Use this wireguard key instead of generating one"
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exit 1
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fi
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my_ip=$1; shift
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my_wireguard_ip=$1; shift
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if [ $# -eq 1 ]; then
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private_key=$1; shift
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else
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private_key=$(wg genkey)
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fi
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public_key=$(echo $private_key | wg pubkey)
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2022-03-02 11:32:10 +00:00
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case $my_wireguard_ip in
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185.155.29.*)
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vpn_endpoint_pubkey=6BRnQ+dmeFzVCH9RbM1pbJ7u3y3qrl+zUzzYCmC88kE=
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;;
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185.155.30.*)
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vpn_endpoint_pubkey=5ach7pUQ57aa402LHz1MYh7lyBZS0GvBEw2PC6dMHW4=
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;;
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*)
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echo "Unknown VPN host for IP $my_wireguard_ip" >&2
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exit 1
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;;
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esac
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interface="ip$(echo $my_wireguard_ip | awk -F. '{ print $1 $2 $3 $4 }')"
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vpn_endpoint_host=vpn-$(echo $my_wireguard_ip | awk -F. '{ print $1 $2 $3 }').ungleich.ch
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2021-04-27 10:00:16 +00:00
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cat <<EOF | ssh -t "root@${my_ip}"
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set -x
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opkg update
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opkg install libustream-openssl ca-bundle ca-certificates
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opkg install wireguard
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opkg install luci-app-wireguard
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uci set network.${interface}=interface
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uci set network.${interface}.proto='wireguard'
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uci set network.${interface}.private_key='${private_key}'
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uci set network.${interface}.listen_port='51828'
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uci set network.${interface}.addresses='${my_wireguard_ip}/32'
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if ! uci get network.@wireguard_${interface}[0]; then
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uci add network wireguard_${interface}
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fi
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uci set network.@wireguard_${interface}[0]=wireguard_${interface}
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uci set network.@wireguard_${interface}[0].persistent_keepalive='25'
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uci set network.@wireguard_${interface}[0].public_key="${vpn_endpoint_pubkey}"
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uci set network.@wireguard_${interface}[0].description="IPv4 as a service by ungleich"
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uci set network.@wireguard_${interface}[0].allowed_ips='0.0.0.0/0'
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uci set network.@wireguard_${interface}[0].endpoint_host="${vpn_endpoint_host}"
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uci set network.@wireguard_${interface}[0].endpoint_port='51820'
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uci set network.@wireguard_${interface}[0].route_allowed_ips='1'
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# add to correct firewall zone
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current_networks=\$(uci get firewall.@zone[1].network)
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if ! echo \$current_networks | grep -q ${interface}; then
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uci set firewall.@zone[1].network="\${current_networks} ${interface}"
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fi
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# commit
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uci commit
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EOF
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echo "Host ${my_ip} uses ip ${my_wireguard_ip} with public key ${public_key}"
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