phase in pib setup
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Nico Schottelius
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1 changed files with 168 additions and 0 deletions
168
pib-setup.sh
Executable file
168
pib-setup.sh
Executable file
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#!/bin/sh
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if [ $# -ne 2 ]; then
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echo "$0 ip-address vpn-network"
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echo " ip-address: where to find the PIB"
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echo " network: 2a0a:e5c0:123::/48"
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exit 1
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fi
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my_ip=$1; shift
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my_network=$1; shift
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my_prefix=$(echo $my_network | sed 's,::/.*,,')
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my_hostname=pib-$(echo ${my_prefix} | sed 's/:/-/g')
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my_wireguard_ip=${my_prefix}::42
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my_lan_ip=${my_prefix}:cafe::42
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my_lanv6_ip=${my_prefix}:7ea::42
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private_key=$(wg genkey)
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public_key=$(echo $private_key | wg pubkey)
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vpn_endpoint_host=vpn-2a0ae5c1.ungleich.ch
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vpn_endpoint_pubkey=hi60lGP+xEUQ+kVnqA7PlJAO1SVqTS1W36g0LhFP0xQ=
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cat <<EOF | ssh -t "root@${my_ip}"
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set -x
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# Global / general settings
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# We are never authoritative for IPv4
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uci delete dhcp.@dnsmasq[0].authoritative
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# Do not announce ULA - we have GUA
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uci delete network.globals.ula_prefix
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# Do not set/get? Was necessary, don't recall why
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uci set dhcp.@dnsmasq[0].noresolv='1'
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# Fix DNS: make the OS use the locally provided DNS servers
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# otherwise the VPN tunnel cannot be established
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uci set dhcp.@dnsmasq[0].localuse='0'
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# Remove static IPv4 from LAN / replace with DHCP
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uci delete network.lan.ipaddr
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uci delete network.lan.netmask
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uci set network.lan.ifname='eth1'
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uci set network.lan.proto='dhcp'
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# Add IPv6 address in LAN
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uci set network.lanv6=interface
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uci set network.lanv6.ifname='br-lan'
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uci set network.lanv6.proto='static'
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uci set network.lanv6.ifname='br-lan'
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uci add_list network.lanv6.ip6addr='${my_lan_ip}/64'
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# IPv6 announcements / no DHCP server on the LAN
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uci set dhcp.lan.ra='server'
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uci set dhcp.lan.ra_management='1'
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uci set dhcp.lan.ignore='1'
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uci set dhcp.lan.dynamicdhcp='0'
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uci delete dhcp.lan.dhcpv6
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uci delete dhcp.lan.start
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uci delete dhcp.lan.limit
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uci delete dhcp.lan.leasetime
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uci commit
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reboot
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EOF
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my_ip=$my_lan_ip
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echo "Waiting for it to come back..."
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while ! ping -c1 ${my_ip}; do
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echo "Cannot ping $my_ip yet - waiting"
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sleep 1
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done
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cat <<EOF | ssh -t "root@${my_ip}"
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ping -c5 ungleich.ch || exit 1
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# update the sources & allow https handling
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opkg update
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opkg install libustream-openssl ca-bundle ca-certificates
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# install wireguard + gui
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opkg install wireguard
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opkg install luci-app-wireguard
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# VPN / Wireguard
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uci set network.wg0=interface
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uci set network.wg0.proto='wireguard'
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uci set network.wg0.private_key='${private_key}'
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uci set network.wg0.listen_port='51820'
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uci set network.wg0.addresses='${my_wireguard_ip}/64'
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if ! uci get network.@wireguard_wg0[0]; then
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uci add network wireguard_wg0
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fi
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uci set network.@wireguard_wg0[0]=wireguard_wg0
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uci set network.@wireguard_wg0[0].persistent_keepalive='25'
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uci set network.@wireguard_wg0[0].public_key='${vpn_endpoint_pubkey}'
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uci set network.@wireguard_wg0[0].description='IPv6VPN.ch by ungleich'
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uci set network.@wireguard_wg0[0].allowed_ips='::/0'
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uci set network.@wireguard_wg0[0].endpoint_host='${vpn_endpoint_host}'
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uci set network.@wireguard_wg0[0].endpoint_port='51820'
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uci set network.@wireguard_wg0[0].route_allowed_ips='1'
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uci set system.@system[0].hostname="${my_hostname}"
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# Firewall configuration
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if ! uci show firewall | grep "name='Allow-SSH'"; then
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uci add firewall rule
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uci set firewall.@rule[-1].name='Allow-SSH'
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uci set firewall.@rule[-1].src='wan'
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uci set firewall.@rule[-1].dest='lan'
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uci set firewall.@rule[-1].proto='tcp'
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uci set firewall.@rule[-1].dest_port='22'
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uci set firewall.@rule[-1].target='ACCEPT'
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fi
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if ! uci show firewall | grep "name='Allow-HTTPS'"; then
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uci add firewall rule
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uci set firewall.@rule[-1].name='Allow-HTTPS'
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uci set firewall.@rule[-1].src='wan'
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uci set firewall.@rule[-1].dest='lan'
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uci set firewall.@rule[-1].proto='tcp'
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uci set firewall.@rule[-1].dest_port='443'
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uci set firewall.@rule[-1].target='ACCEPT'
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fi
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if ! uci show firewall | grep "name='Allow-HTTP'"; then
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uci add firewall rule
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uci set firewall.@rule[-1].name='Allow-HTTP'
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uci set firewall.@rule[-1].src='wan'
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uci set firewall.@rule[-1].dest='lan'
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uci set firewall.@rule[-1].proto='tcp'
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uci set firewall.@rule[-1].dest_port='80'
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uci set firewall.@rule[-1].target='ACCEPT'
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fi
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# Add interfaces to the right network zone
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uci set firewall.@zone[0].network='lan lanv6'
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uci set firewall.@zone[1].network='wan wg0'
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# DNS upstream over VPN gives DNS64
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uci delete dhcp.@dnsmasq[0].server
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uci add_list dhcp.@dnsmasq[0].server='2a0a:e5c0:0:a::a'
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uci add_list dhcp.@dnsmasq[0].server='2a0a:e5c0:2:a::a'
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uci commit
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reboot
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EOF
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echo "Wireguard public key and id: ${id} ${public_key}"
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echo ${public_key} > ${my_hostname}.public_key
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exit 0
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# wget -O - https://downloads.openwrt.org/releases/19.07.3/targets/x86/64/openwrt-19.07.3-x86-64-rootfs-ext4.img.gz | gunzip > /dev/sda
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