External IP lookup

This commit is contained in:
Bob Mottram 2018-04-12 15:21:25 +01:00
parent 806a7bbf62
commit 2a53814aed
1 changed files with 2 additions and 3 deletions

View File

@ -34,7 +34,6 @@ IPV6_NETWORK='2001:470:26:307'
# OpenDNS ipv6 DNS 2620:0:ccc::2 # OpenDNS ipv6 DNS 2620:0:ccc::2
IPV4_ADDRESS_TEST_DESTINATION='85.214.73.63' IPV4_ADDRESS_TEST_DESTINATION='85.214.73.63'
IPV6_ADDRESS_TEST_DESTINATION='2620:0:ccc::2' IPV6_ADDRESS_TEST_DESTINATION='2620:0:ccc::2'
EXTERNAL_IP_LOOKUP_URL='ifcfg.me'
# The static IP address of the system within the local network # The static IP address of the system within the local network
# By default the IP address is dynamic within your LAN # By default the IP address is dynamic within your LAN
@ -88,7 +87,7 @@ function install_static_network {
} }
function get_external_ipv4_address { function get_external_ipv4_address {
nslookup . $EXTERNAL_IP_LOOKUP_URL | grep Address | tail -n 1 | awk -F ' ' '{print $2}' curl ipinfo.io/ip
} }
function get_ipv4_address { function get_ipv4_address {
@ -105,7 +104,7 @@ function update_external_ip {
ip_update_script=/usr/bin/externalipupdate ip_update_script=/usr/bin/externalipupdate
{ echo '#!/bin/bash'; { echo '#!/bin/bash';
echo "existing_ip=\$(cat $CONFIGURATION_FILE | grep \"EXTERNAL_IPV4_ADDRESS=\" | head -n 1 | awk -F '=' '{print \$2}')'"; echo "existing_ip=\$(cat $CONFIGURATION_FILE | grep \"EXTERNAL_IPV4_ADDRESS=\" | head -n 1 | awk -F '=' '{print \$2}')'";
echo "curr_ip=\$(nslookup . $EXTERNAL_IP_LOOKUP_URL | grep Address | tail -n 1 | awk -F ' ' '{print \$2}')"; echo "curr_ip=\$(curl ipinfo.io/ip)";
echo "if [[ \"\$curr_ip\" != \"\$existing_ip\" ]]; then"; echo "if [[ \"\$curr_ip\" != \"\$existing_ip\" ]]; then";
echo " sed -i \"s|EXTERNAL_IPV4_ADDRESS=.*|EXTERNAL_IPV4_ADDRESS=\${curr_ip}|g\" $CONFIGURATION_FILE"; 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 " echo \"\$(date)\" >> ~/${PROJECT_NAME}-external-ip-changes.txt";