Merge branch 'master' of code.ungleich.ch:ungleich-public/ungleich-tools
This commit is contained in:
Nico Schottelius
commit
677d34bb38
4 changed files with 393 additions and 0 deletions
85
openwrt/vigir-1-firmware-upgrade.sh
Executable file
85
openwrt/vigir-1-firmware-upgrade.sh
Executable file
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@ -0,0 +1,85 @@
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#!/bin/sh
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# 2020-06-13, Nico Schottelius
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# See https://ungleich.ch/u/products/viirb-ipv6-box/
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if [ $# -lt 1 ]; then
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echo "$0 interface [address]"
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echo " interface to add the config ip address to"
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echo " address: connect to this address, ignore the interface"
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exit 1
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fi
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set -x
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dev=$1; shift
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# $# = 2
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# shift -> remove the first argument
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# $# = 1
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if [ $# -ge 1 ]; then
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vigir_ip=$1; shift
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dev=""
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else
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vigir_ip=192.168.8.1
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fi
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# openwrt
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version=19.07.5
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filename=openwrt-${version}-ramips-mt7621-zbt-wg3526-16M-squashfs-sysupgrade.bin
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# IP address for setting it up initially
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if [ "$dev" ]; then
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sudo ip addr del 192.168.8.2/24 dev "$dev" 2>/dev/null || true
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sudo ip addr add 192.168.8.2/24 dev "$dev"
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fi
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# don't care about other/old known_host entries
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ssh-keygen -R ${vigir_ip}
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while ! ping -c1 ${vigir_ip}; do
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echo "Cannot ping $vigir_ip yet - waiting"
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sleep 1
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done
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cat ~/.ssh/id_rsa.pub | ssh root@${vigir_ip} "cat > /etc/dropbear/authorized_keys"
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# Don't re-download if we already have it
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wget -c http://downloads.openwrt.org/releases/${version}/targets/ramips/mt7621/${filename}
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if echo $vigir_ip | grep -q :; then
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scp_ip="[$vigir_ip]"
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else
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scp_ip="$vigir_ip"
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fi
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scp ${filename} root@${scp_ip}:/tmp
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ssh root@${vigir_ip} "sysupgrade -n /tmp/*.bin"
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# It still pings for some time - wait for the reboot to happen
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echo "Waiting for vigir to really disappear"
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sleep 15
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wait=0
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found=""
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while [ $wait -lt 180 ]; do
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ping -c1 ${vigir_ip} >/dev/null
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if [ $? -eq 0 ]; then
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found=yes
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# wait for ssh to come up
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sleep 10
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break
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fi
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sleep 1
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wait=$((wait+1))
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done
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if [ ! "$found" ]; then
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echo "Did not find updated vigir - debug / restart it"
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exit 1
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fi
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echo "vigir successfully updated to ${version}"
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194
openwrt/vigir-2-configure.sh
Executable file
194
openwrt/vigir-2-configure.sh
Executable file
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@ -0,0 +1,194 @@
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#!/bin/sh
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# 2020-06-13, Nico Schottelius
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# See https://ungleich.ch/u/products/vigir/
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if [ $# -lt 2 ]; then
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echo "$0 vigir-ip-address vigir-id [wgprivkey]"
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echo " vigir-ip-address: where to find the vigir"
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echo " vigir-id: number in decimal format"
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echo " wgprivkey: if specified, use this private key"
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exit 1
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fi
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set -x
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vigir_ip=$1; shift
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id=$1; shift
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hex_id=$(printf "%0.2x\n" "$id")
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vigir_hostname=vigir${id}
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prefix_base=2a0a:e5c1:5
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my_prefix=${prefix_base}${hex_id}
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my_network=${my_prefix}::/48
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my_wireguard_ip=${my_prefix}::42
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my_lan_ip=${my_prefix}:cafe::42
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my_wifi_ip=${my_prefix}:7ea::42
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# wireguard
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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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vpn_endpoint_host=vpn-2a0ae5c1500.ungleich.ch
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vpn_endpoint_pubkey=oaFiIVV1NjvDcfdtwJqR4F3k2XIC07npNgj0YjIEem4=
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i=0
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found=""
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while [ $i -lt 30 ]; do
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echo "Trying to reach ${vigir_ip} ($i)"
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if ping -c1 ${vigir_ip} >/dev/null; then
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found="yes"
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break
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fi
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i=$((i+1))
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done
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if [ -z "$found" ]; then
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echo "Unable to contact vigir. Exiting"
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exit 1
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fi
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cat <<EOF | ssh -t "root@${vigir_ip}"
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set -x
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# Set IPv6 address on LAN
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uci set network.lan.ip6addr='${my_lan_ip}/64'
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# Do not announce ULA - we have GUA
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uci delete network.globals.ula_prefix
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# Setup Router Advertisements / remove IPv4 dhcp
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uci set dhcp.lan.ra='server'
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# We do stateless by default everywhere
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uci delete dhcp.lan.dhcpv6
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# Fix DNS: make dnsmasq NOT use a resolv.conf
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# so that it only reads from our servers with DNS64 enabled
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uci set dhcp.@dnsmasq[0].noresolv='1'
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# Fix DNS: make the OS use the locally provided DNS servers
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# otherwise the VPN tunnel cannot be established
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uci set dhcp.@dnsmasq[0].localuse='0'
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# DNS upstream over VPN gives DNS64
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uci add_list dhcp.@dnsmasq[0].server='2a0a:e5c0:0:a::a'
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uci add_list dhcp.@dnsmasq[0].server='2a0a:e5c0:2:a::a'
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uci set system.@system[0].hostname="${vigir_hostname}"
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# Wifi configuration
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uci set wireless.radio0=wifi-device
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uci set wireless.radio0.htmode='HT40'
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uci set wireless.radio0.country='CH'
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uci set wireless.radio0.channel='6'
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uci set wireless.default_radio0.encryption='psk2'
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uci set wireless.default_radio0.key='iloveipv6'
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uci set wireless.default_radio0.ssid='IPv6 everywhere ${vigir_hostname}'
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uci set wireless.radio1.country='CH'
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uci set wireless.default_radio1.encryption='psk2'
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uci set wireless.default_radio1.key='iloveipv6'
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uci set wireless.default_radio1.ssid='IPv6 everywhere ${vigir_hostname} 5Ghz'
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# Ensure it is not disabled
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uci delete wireless.radio0.disabled
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# Create temporary IPV4 CLIENT on LAN
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# This way we get Internet/upstream from the LAN port
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# Can we do this via IPv6 instead?
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# this breaks if multiple vigir are setup, as we have fake / wrong
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# dhcp server configurations.
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# easy solution: using two different networks...
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uci commit
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ping -c5 ungleich.ch || exit 1
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# update the sources
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opkg update
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# install wireguard + gui
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opkg install wireguard
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opkg install luci-app-wireguard
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# VPN / Wireguard
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uci set network.wg0=interface
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uci set network.wg0.proto='wireguard'
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uci set network.wg0.private_key='${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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# 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[1].network='wan wan6 wg0'
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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} > ${vigir_hostname}.public_key
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# change to ipv6
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vigir_ip=${my_lan_ip}
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sleep 15
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while ! ping -c5 ${vigir_ip}; do
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echo "Waiting for vigir ${id}"
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sleep 2
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done
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echo "Wireguard public key and id: ${id} ${public_key}"
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70
openwrt/vigir-3-vpn.sh
Executable file
70
openwrt/vigir-3-vpn.sh
Executable file
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@ -0,0 +1,70 @@
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#!/bin/sh
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# 2020-12-21, Nico Schottelius
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if [ $# -ne 3 ]; then
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echo "$0 your-dot-cdist vigir-id public-key"
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echo " your-dot-cdist: path to YOUR ungleich-dot-cdist repo"
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echo " vigir-id: number in decimal format"
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echo " wireguard public key"
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exit 1
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fi
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set -x
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dot_cdist=$1; shift
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id=$1; shift
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public_key=$1; shift
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hex_id=$(printf "%0.2x\n" "$id")
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vigir_hostname=vigir${id}
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prefix_base=2a0a:e5c1:5
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my_prefix=${prefix_base}${hex_id}
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my_network=${my_prefix}::/48
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my_wireguard_ip=${my_prefix}::42
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my_lan_ip=${my_prefix}:cafe::42
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my_wifi_ip=${my_prefix}:7ea::42
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vpn_endpoint_host=vpn-2a0ae5c1500.ungleich.ch
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# cdist
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dot_cdist_files=${dot_cdist}/type/__ungleich_wireguard/files
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peerfilename=${vpn_endpoint_host}.peer${hex_id}
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peerfile=${dot_cdist_files}/${peerfilename}
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vpnconfig=${dot_cdist_files}/${vpn_endpoint_host}
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# Configure VPN server / update cdist
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echo Updating VPNserver
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cat <<EOF > ${peerfile}
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# ${vigir_hostname}, $(date +%F)
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[Peer]
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PublicKey = ${public_key}
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AllowedIPs = ${my_network}
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EOF
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# Generate real config
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cat ${dot_cdist_files}/${vpn_endpoint_host}.* > ${vpnconfig}
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cd ${dot_cdist_files}
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git add ${vpn_endpoint_host} ${peerfilename}
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git commit -m "[vpn] Updated config for peer ${vigir_hostname} ${my_network}"
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git pull
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git push
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cdist config -v -j8 ${vpn_endpoint_host} -c ${dot_cdist}
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# Test that the VPN connection is established
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# Might take longer due to reboot
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sleep 10
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i=0
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while [ $i -lt 10 ]; do
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ping -c1 ${my_wireguard_ip} && break
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i=$((i+1))
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done
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i=0
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while [ $i -lt 30 ]; do
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ping -c1 ${my_lan_ip} && break
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i=$((i+1))
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done
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44
openwrt/vigir-4-cleanup.sh
Executable file
44
openwrt/vigir-4-cleanup.sh
Executable file
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@ -0,0 +1,44 @@
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#!/bin/sh
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# Nico Schottelius
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# 2020-12-21
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set -e
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set -x
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if [ $# -ne 2 ]; then
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echo "$0 vigir-ip-address vigir-id"
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echo " vigir-ip-address: where to find the vigir"
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echo " vigir-id: number in decimal format"
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exit 1
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fi
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vigir_ip=$1; shift
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id=$1; shift
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vigir_hostname=vigir${id}
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root_password=$(pwgen -1 32)
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# Save for sending to user
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# FIXME: future make this more easy / better to transfer
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echo $root_password > ${vigir_hostname}.rootpw
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cat <<EOF | ssh -t "root@${vigir_ip}"
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# Remove temporary IP
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# Correct test SSID to final one
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uci set wireless.default_radio0.ssid='IPv6 everywhere'
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uci set wireless.default_radio1.ssid='IPv6 everywhere 5Ghz'
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uci commit
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# Remove our ssh keys
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rm -f /etc/dropbear/authorized_keys
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# Setup root password
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printf "${root_password}\n${root_password}\n" | passwd
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reboot
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EOF
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||||
echo "Submit to user the root password = ${root_password}"
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||||
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Reference in a new issue