mirror of
https://github.com/rootzoll/raspiblitz.git
synced 2025-02-25 23:21:13 +01:00
263 lines
8.6 KiB
Bash
Executable file
263 lines
8.6 KiB
Bash
Executable file
#!/bin/bash
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# command info
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if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
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echo "# handle the internet connection"
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echo "# internet.sh status [local|global]"
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echo "# internet.sh ipv6 [on|off]"
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echo "# internet.sh update-publicip [?domain]"
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exit 1
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fi
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# check when to global check
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runGlobal=0
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if [ "$2" == "global" ]; then
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runGlobal=1
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fi
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if [ "$1" == "update-publicip" ]; then
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runGlobal=1
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fi
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# load local config (but should also work if not available)
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source /mnt/hdd/raspiblitz.conf 2>/dev/null
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#############################################
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# FUNCTIONS
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isValidIP() {
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if [ "$1" != "${1#*[0-9].[0-9]}" ]; then
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# IPv4
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echo 1
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elif [ "$1" != "${1#*:[0-9a-fA-F]}" ]; then
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# IPv6
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echo 1
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else
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# unkown
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echo 0
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fi
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}
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#############################################
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# by deafult ipv6 is off (for publicIP)
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if [ "${ipv6}" = "" ]; then
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ipv6="off"
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fi
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#############################################
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# get active network device (eth0 or wlan0) & trafiic
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networkDevice=$(ip addr | grep -v "lo:" | grep 'state UP' | tr -d " " | cut -d ":" -f2 | head -n 1)
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# get network traffic
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# ifconfig does not show eth0 on Armbian or in a VM - get first traffic info
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isArmbian=$(cat /etc/os-release 2>/dev/null | grep -c 'Debian')
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if [ ${isArmbian} -gt 0 ] || [ ! -d "/sys/class/thermal/thermal_zone0/" ]; then
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network_rx=$(ifconfig | grep -m1 'RX packets' | awk '{ print $6$7 }' | sed 's/[()]//g')
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network_tx=$(ifconfig | grep -m1 'TX packets' | awk '{ print $6$7 }' | sed 's/[()]//g')
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else
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network_rx=$(ifconfig ${networkDevice} | grep 'RX packets' | awk '{ print $6$7 }' | sed 's/[()]//g')
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network_tx=$(ifconfig ${networkDevice} | grep 'TX packets' | awk '{ print $6$7 }' | sed 's/[()]//g')
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fi
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#############################################
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# get local IP (from different sources)
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localip_ALL=$(ip addr | grep 'state UP' -A2 | egrep -v 'docker0|veth' | egrep -i '(*[eth|ens|enp|eno|wlan|inet|wlp][0-9]$)' | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
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if [ $(isValidIP ${localip_ALL}) -eq 0 ]; then
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localip_ALL=""
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fi
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localip_LAN=$(ip addr | grep 'state UP' -A2 | egrep -v 'docker0|veth' | egrep -i '(*[eth][0-9]$)' | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
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if [ $(isValidIP ${localip_LAN}) -eq 0 ]; then
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localip_LAN=""
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fi
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localip="${localip_ALL}"
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if [ ${#localip_LAN} -gt 0 ]; then
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# prefer local IP over LAN over all other if available
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localip="${localip_LAN}"
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fi
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#############################################
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# check DHCP
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dhcp=1
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if [ "${localip:0:4}" = "169." ]; then
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dhcp=0
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fi
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#############################################
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# check WifiConfig
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configWifiExists=$(sudo cat /etc/wpa_supplicant/wpa_supplicant.conf 2>/dev/null| grep -c "network=")
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#############################################
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# check for internet connection
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online=0
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if [ "${dnsServer}" != "" ]; then
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# re-test with user set dns server
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online=$(ping ${dnsServer} -c 1 -W 2 | grep -c '1 received')
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fi
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if [ ${online} -eq 0 ]; then
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# re-test with other server
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online=$(ping 1.0.0.1 -c 1 -W 2 | grep -c '1 received')
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fi
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if [ ${online} -eq 0 ]; then
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# re-test with other server
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online=$(ping 8.8.8.8 -c 1 -W 2 | grep -c '1 received')
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fi
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if [ ${online} -eq 0 ]; then
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# re-test with other server (IPv6)
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online=$(ping 2620:119:35::35 -c 1 -W 2 | grep -c '1 received')
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fi
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if [ ${online} -eq 0 ]; then
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# re-test with other server
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online=$(ping 208.67.222.222 -c 1 -W 2 | grep -c '1 received')
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fi
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if [ ${online} -eq 0 ]; then
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# re-test with other server (IPv6)
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online=$(ping 2001:4860:4860::8844 -c 1 -W 2 | grep -c '1 received')
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fi
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if [ ${online} -eq 0 ]; then
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# re-test with other server
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online=$(ping 1.1.1.1 -c 1 -W 2 | grep -c '1 received')
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fi
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#############################################
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# check for internet connection
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if [ ${runGlobal} -eq 1 ]; then
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###########################################
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# Global IP
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# the public IP that can be detected from outside
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globalIP=""
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echo "# getting public IP from third party service"
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if [ "${ipv6}" == "on" ]; then
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globalIP=$(curl -s -f -S -m 5 http://v6.ipv6-test.com/api/myip.php 2>/dev/null)
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else
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globalIP=$(curl -s -f -S -m 5 http://v4.ipv6-test.com/api/myip.php 2>/dev/null)
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fi
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# sanity check on IP data
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# see https://github.com/rootzoll/raspiblitz/issues/371#issuecomment-472416349
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echo "# sanity check of IP data:"
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if [[ $globalIP =~ ^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$ ]]; then
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echo "# OK IPv6"
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elif [[ $globalIP =~ ^([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$ ]]; then
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echo "# OK IPv4"
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else
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echo "# FAIL - not an IPv4 or IPv6 address"
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globalIP=""
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fi
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# prevent having no publicIP set at all and LND getting stuck
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# https://github.com/rootzoll/raspiblitz/issues/312#issuecomment-462675101
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if [ ${#globalIP} -eq 0 ]; then
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if [ "${ipv6}" == "on" ]; then
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globalIP="::1"
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else
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globalIP="127.0.0.1"
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fi
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fi
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##########################################
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# Public IP
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# the public that is maybe set by raspibitz config file (overriding aut-detection)
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if [ "${publicIP}" == "" ]; then
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# if publicIP is not set by config ... use detected global IP
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if [ "${ipv6}" == "on" ]; then
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# use ipv6 with brackes so that it can be used in http addresses like a IPv4
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publicIP="[${globalIP}]"
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else
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publicIP="${globalIP}"
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fi
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fi
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##########################################
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# Clean IP
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# really just the IP value - without the default brackets if IPv6
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# for IPV4 case the "tr" will do no harm.
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cleanIP=$(echo "${publicIP}" | tr -d '[]')
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fi
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#############################################
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if [ "$1" == "status" ]; then
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echo "### LOCAL INTERNET ###"
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echo "localip=${localip}"
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echo "dhcp=${dhcp}"
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echo "configWifiExists=${configWifiExists}"
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echo "network_device=${networkDevice}"
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echo "network_rx='${network_rx}'"
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echo "network_tx='${network_tx}'"
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echo "### GLOBAL INTERNET ###"
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echo "online=${online}"
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if [ ${runGlobal} -eq 1 ]; then
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echo "ipv6=${ipv6}"
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echo "# globalip --> ip detected from the outside"
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echo "globalip=${globalIP}"
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echo "# publicip --> may consider the static IP overide by raspiblitz config"
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echo "publicip=${publicIP}"
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echo "# cleanip --> the publicip with no brakets like used on IPv6"
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echo "cleanip=${cleanIP}"
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else
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echo "# for more global internet info use 'status global'"
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fi
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exit 0
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#############################################
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elif [ "$1" == "update-publicip" ]; then
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if [ "$2" != "" ]; then
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echo "ip_changed=0"
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publicIP="$2"
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elif [ "${globalIP}" == "${cleanIP}" ]; then
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echo "ip_changed=0"
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else
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echo "ip_changed=1"
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if [ "${ipv6}" == "on" ]; then
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# use ipv6 with brackes so that it can be used in http addresses like a IPv4
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publicIP="[${globalIP}]"
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else
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publicIP="${globalIP}"
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fi
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echo "publicip=${publicIP}"
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fi
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# store to raspiblitz.conf new publiciP
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publicIPValueExists=$(sudo cat /mnt/hdd/raspiblitz.conf | grep -c 'publicIP=')
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if [ ${publicIPValueExists} -gt 1 ]; then
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# more then one publiIp entry - removing one
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sudo sed -i "s/^publicIP=.*//g" /mnt/hdd/raspiblitz.conf
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fi
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if [ ${publicIPValueExists} -eq 0 ]; then
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echo "publicIP='${publicIP}'" >> /mnt/hdd/raspiblitz.conf
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else
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sudo sed -i "s/^publicIP=.*/publicIP='${publicIP}'/g" /mnt/hdd/raspiblitz.conf
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fi
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exit 0
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#############################################
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elif [ "$1" == "ipv6" ]; then
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if [ "$2" == "on" ]; then
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echo "# Switching IPv6 ON"
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# set config
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if ! grep -Eq "^ipv6=" /mnt/hdd/raspiblitz.conf; then
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echo "ipv6=on" >> /mnt/hdd/raspiblitz.conf
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else
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sudo sed -i "s/^ipv6=.*/ipv6=on/g" /mnt/hdd/raspiblitz.conf
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fi
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exit 0
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elif [ "$2" == "off" ]; then
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echo "# Switching IPv6 OFF"
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# set config
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sudo sed -i "s/^ipv6=.*/ipv6=off/g" /mnt/hdd/raspiblitz.conf
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exit 0
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else
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echo "error='unknown second parameter'"
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exit 1
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fi
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else
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echo "err='parameter not known - run with -help'"
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fi
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