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