#!/bin/bash # _____ _ _ # | __|___ ___ ___ _| |___ _____| |_ ___ ___ ___ # | __| _| -_| -_| . | . | | . | . | | -_| # |__| |_| |___|___|___|___|_|_|_|___|___|_|_|___| # # Freedom in the Cloud # # Network functions # # License # ======= # # Copyright (C) 2014-2018 Bob Mottram # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see . # If the system is on an IPv6 network IPV6_NETWORK='2001:470:26:307' # Destinations used to get the local IP address of this system # Google ipv6 DNS 2001:4860:4860::8888 # OpenDNS ipv6 DNS 2620:0:ccc::2 IPV4_ADDRESS_TEST_DESTINATION='85.214.73.63' IPV6_ADDRESS_TEST_DESTINATION='2620:0:ccc::2' # The static IP address of the system within the local network # By default the IP address is dynamic within your LAN LOCAL_NETWORK_STATIC_IP_ADDRESS= # IP address of the router (gateway) ROUTER_IP_ADDRESS="192.168.1.254" MESH_INSTALL_DIR=/var/lib function get_app_icann_address { app_name="$1" if grep -q "${app_name} domain" "$COMPLETION_FILE"; then grep "${app_name} domain" "${COMPLETION_FILE}" | head -n 1 | awk -F ':' '{print $2}' return else app_name_upper="$(echo "$app_name" | tr '[:lower:]' '[:upper:]')_DOMAIN_NAME" if [ "$app_name_upper" ]; then param_value=$(grep "${app_name_upper}=" "$CONFIGURATION_FILE" | head -n 1 | awk -F '=' '{print $2}') if [ "${param_value}" ]; then echo "${param_value}" return fi fi fi echo "${DEFAULT_DOMAIN_NAME}" } function install_static_network { if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then return fi if [[ $INSTALLING_ON_BBB == "yes" ]]; then return fi if [ ! $LOCAL_NETWORK_STATIC_IP_ADDRESS ]; then return fi echo '# This file describes the network interfaces available on your system' > /etc/network/interfaces echo '# and how to activate them. For more information, see interfaces(5).' >> /etc/network/interfaces echo 'source /etc/network/interfaces.d/*' >> /etc/network/interfaces { echo 'auto eth0'; echo 'iface eth0 inet static'; echo " address $LOCAL_NETWORK_STATIC_IP_ADDRESS"; echo ' netmask 255.255.255.0'; echo " gateway $ROUTER_IP_ADDRESS"; } > /etc/network/interfaces.d/static mark_completed "${FUNCNAME[0]}" } function get_external_ipv4_address { curl -s ipinfo.io/ip } function get_ipv4_address { IPv4dev=$(ip route get $IPV4_ADDRESS_TEST_DESTINATION | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}') ip -o -f inet addr show dev "$IPv4dev" | awk '{print $4}' | awk 'END {print}' | awk -F '/' '{print $1}' } function get_ipv6_address { retval=$(ip -6 route get $IPV6_ADDRESS_TEST_DESTINATION 2> /dev/null) echo "$retval" | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }' } function update_external_ip { ip_update_script=/usr/bin/externalipupdate { echo '#!/bin/bash'; echo "existing_ip=\$(cat $CONFIGURATION_FILE | grep \"EXTERNAL_IPV4_ADDRESS=\" | head -n 1 | awk -F '=' '{print \$2}')'"; echo "curr_ip=\$(curl -s ipinfo.io/ip)"; echo "if [[ \"\$curr_ip\" != \"\$existing_ip\" ]]; then"; echo " sed -i \"s|EXTERNAL_IPV4_ADDRESS=.*|EXTERNAL_IPV4_ADDRESS=\${curr_ip}|g\" $CONFIGURATION_FILE"; echo " echo \"\$(date)\" >> ~/${PROJECT_NAME}-external-ip-changes.txt"; echo 'fi'; } > $ip_update_script cron_add_mins 10 $ip_update_script } # NOTE: deliberately no exit 0