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ipspec_v2.6.sh
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#!/bin/bash
#
# name : ipspec.sh
# desciption : show IP and LAN Information
# autor : Speefak ( [email protected] )
# licence : (CC) BY-NC-SA
# version : 2.6
#
#------------------------------------------------------------------------------------------------------------
############################################################################################################
####################################### define global variables ########################################
############################################################################################################
#------------------------------------------------------------------------------------------------------------
RequiredPackets="lynx curl geoip-bin nmap speedtest-cli"
SpeedtestTempFile=/tmp/spdt.tmp
MaxScriptExecutionIntervalBandwidth=180
CODENAME=$(lsb_release -d | tr -d : | cut -f 2)
ARCHITECTURE=$(getconf LONG_BIT)
LANDevice=$(ip route | grep default | awk -F "dev " '{print $2}' | cut -d " " -f1)
LANIP=$(ip -br addr show $LANDevice | awk '{print $3}' | cut -d "/" -f1)
LANMAC=$(ip link | grep -A 2 $LANDevice | grep link/ether | awk '{print $2}')
GatewayIP=$(ip route | sed -n 1p | cut -d " " -f3)
GatewayMAC=$(ip neigh | grep -w $GatewayIP | tr " " "\n" | grep "[[:alnum:]][[:alnum:]]:")
FritzboxIP=$GatewayIP
FritzboxPrintNewIPDelay=3
#------------------------------------------------------------------------------------------------------------
############################################################################################################
########################################### define functions ###########################################
############################################################################################################
#------------------------------------------------------------------------------------------------------------
usage() {
clear
printf "\n"
printf " Usage: $(basename $0) <option>\n"
printf "\n"
printf " default show IP / LAN information\n"
printf " -sl scan LAN\n"
printf " -bm bandwidth measurement\n"
printf " -fbr renew fritzbox WAN IP\n"
printf " -cfrp check for required packets"
# output error message
printf "\e[0;31m\n $1\e[0m\n"$(tput sgr0)
printf "\n"
exit
}
#------------------------------------------------------------------------------------------------------------
progressbar () { # usage : progressbar "MESSAGE" 3 "."
tput civis
echo -ne "$1 "
for i in `seq 1 $2`; do
echo -en "\033[K$3"
sleep 1
done
echo -en "\015"
tput cvvis
}
#-------------------------------------------------------------------------------------------------------------------------------------------------------
print_parser () {
if [[ $(grep SeperatorLine <<< $@) ]]; then
printf "+----------------------------------------------------------------------------------+\n"
elif [[ $PrintParser == "network_information" ]]; then
printf "| %-11s %-4s %-20s %-42s | \n" "$1" "$2" "$3" "$4"
elif [[ $PrintParser == "bandwidth_measurement" ]]; then
printf "| %-11s %-4s %-38s %-24s | \n" "$1" "$2" "$3" "$4" # TODO => Format Error => Check printf config
fi
}
#------------------------------------------------------------------------------------------------------------
check_for_required_packages () {
InstalledPacketList=$(dpkg -l | grep ii)
for Packet in $RequiredPackets ; do
if [[ -z $(grep -w $Packet <<< $InstalledPacketList) ]]; then
MissingPackets=$(echo $MissingPackets $Packet)
fi
done
# print status message / install dialog
if [[ -n $MissingPackets ]]; then
printf "missing packets: \e[0;31m $MissingPackets\e[0m\n"$(tput sgr0)
read -e -p "install required packets ? (Y/N) " -i "Y" InstallMissingPackets
if [[ $InstallMissingPackets == [Yy] ]]; then
# install software packets
sudo apt update
sudo apt install -y $MissingPackets
if [[ ! $? == 0 ]]; then
exit
fi
else
printf "programm error: \e[0;31m missing packets : $MissingPackets\e[0m\n\n"$(tput sgr0)
exit 1
fi
else
printf " all required packets detected\n"
fi
}
#-------------------------------------------------------------------------------------------------------------------------------------------------------
scan_lan () {
printf " \n\n"
printf " Your Linux Distibution is $CODENAME $ARCHITECTURE bit\n"
printf " Your LAN ip is $LANIP\n"
printf " \n\n"
printf " Press any key to start scan\n"
read
for IP in $LANIP ;do
nmap $IP/24
done
}
#------------------------------------------------------------------------------------------------------------
network_information () {
# get WAN IP and geo location
IPDiscoverServices=" https://check.torproject.org;Your IP address appears to be:
https://showmyip.gr;Your IP is:
https://meineipadresse.de;Meine IP-Adresse
http://checkip.dyndns.org;Current IP Address:"
#http://ipinfo.io/ip;
SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
for IPDiscoverService in $IPDiscoverServices ; do
ServiceURL=$( cut -d ";" -f1 <<< $IPDiscoverService | sed 's/^[ \t]*//')
GrepExpression=$( cut -d ";" -f2 <<< $IPDiscoverService)
#TODO check for active WAN connection
#TODO set timeout and website unreachable or no internet connecten message
WANIP=$(wget -q -O - $(eval echo $ServiceURL) | grep "$GrepExpression" | grep -Eo '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')
if [[ -n $WANIP ]]; then
break
else
ErrorLog=$(echo "$ErrorLog" "Website unreachable: $ServiceURL\n")
fi
done
IFS=$SAVEIFS
if [[ -n $ErrorLog ]]; then usage "\n $(echo $ErrorLog)" ; fi
GeoLocation=$(geoiplookup $WANIP | awk -F ": " '{print $2}')
GeoLocation=${GeoLocation/IP Address not found/XX}
#TorCheck=$(wget -q -O - https://check.torproject.org | grep "Tor" | sed -n 1p | cut -d " " -f7 | cut -d "." -f1)
TorCheck=$(lynx --dump https://check.torproject.org | sed -n 6p | cut -d . -f1)
TorCheck=${TorCheck//Sorry/$(tput setaf 1)"inactive" $(tput sgr0) }
TorCheck=${TorCheck//Congratulations/$(tput setaf 2)"active"$(tput sgr0) }
# get gateway http interface inforamtions // timeout required for mobile wlan / tethering
GatewayHTTPString=$(timeout 2 wget -q -O - $GatewayIP)
# parse Fritzbox gateway information
if [[ -n $(echo $GatewayHTTPString | grep 'FRITZ!Box') ]] ;then
GatewayDevice=$(echo $GatewayHTTPString | grep 'FRITZ!Box' | awk -F "bluBarTitle" '{print $2}' | cut -d '"' -f3)
fi
# no gateway information available
GatewayDevice=${GatewayDevice:-unknown}
PrintParser="network_information"
print_parser SeperatorLine
print_parser "WAN IP" "=>" "$WANIP" "($GeoLocation)"
print_parser "LAN IP" "=>" "$LANIP" "($LANMAC) (dev: $LANDevice)"
print_parser "Gateway IP" "=>" "$GatewayIP" "($GatewayMAC) (dev: $GatewayDevice)"
print_parser "TOR status" "=>" "$TorCheck" "($ServiceURL)"
print_parser SeperatorLine
}
#-------------------------------------------------------------------------------------------------------------------------------------------------------
bandwidth_measurement () {
if [[ $(stat -c %Y $SpeedtestTempFile 2> /dev/null) -ge $(( `date +%s` - $MaxScriptExecutionIntervalBandwidth )) ]]; then
WaitingTime=$(( $(stat -c %Y $SpeedtestTempFile 2> /dev/null) - $(( `date +%s` - $MaxScriptExecutionIntervalBandwidth )) ))
PrintParser="network_information"
print_parser " Bandwidth measurement in progress, waiting "$WaitingTime"s"
print_parser SeperatorLine
exit
fi
print_parser SeperatorLine
# start measurement
$(speedtest > $SpeedtestTempFile) &
# wait for finish measurement
sleep 0.2
while [[ $(pgrep speedtest) ]]; do
progressbar "| Bandwidth measurement in progress " 3 .
done
# parse speedtest output to output vars
SpeedtestOutput=$(cat $SpeedtestTempFile)
ClientISPName=$(echo "$SpeedtestOutput" | awk -F "Testing from " '{printf $2}' | sed 's/ (.*//g' | cut -c1-35)
ClientISPIP=$(echo "$SpeedtestOutput" | grep -Eo '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')
TargetHost=$(echo "$SpeedtestOutput" | awk -F "Hosted by " '{printf $2}' | sed 's/\[.*$//' | cut -c1-35)
TargetHostDistance=$(echo "$SpeedtestOutput" | grep "Hosted by " | tr "[" "\n" | tr "]" "\n" | grep " km")
Ping=$(echo "$SpeedtestOutput" | grep "Hosted by " | awk -F "km]: " '{printf "%s ms" , substr($2, 1, 5) }')
DownloadSpeed=$(echo "$SpeedtestOutput" | grep "Download:" | cut -d " " -f2-4)
UploadSpeed=$(echo "$SpeedtestOutput" | grep "Upload:" | cut -d " " -f2-4)
GeoLocation=$(geoiplookup $ClientISPIP 2> /dev/null | awk -F ": " '{print $2}' | cut -d "," -f1)
GeoLocation=${GeoLocation/IP Address not found/XX}
PrintParser="bandwidth_measurement"
print_parser "Local host" "=>" "$ClientISPName" "($ClientISPIP|$GeoLocation)"
print_parser "Remote host" "=>" "$TargetHost" "($TargetHostDistance)"
# print parser spacing doesn`t work with colored tput prompt.
# print_parser "Bandwidth" "=>" "down: $(tput setaf 2)$DownloadSpeed$(tput sgr0) up: $(tput setaf 1)$UploadSpeed $(tput sgr0)" " ping: $Ping "
print_parser "Bandwidth" "=>" "down: $(tput setaf 2)$DownloadSpeed$(tput sgr0) up: $(tput setaf 1)$UploadSpeed $(tput sgr0)" "$(printf '\033[59`%s\n' "(ping: $Ping) ") " # '`'"
print_parser SeperatorLine
rm $SpeedtestTempFile
}
#-------------------------------------------------------------------------------------------------------------------------------------------------------
fritzbox_reconnect () {
timeout 5 curl "http://$FritzboxIP:49000/igdupnp/control/WANIPConn1" -H "Content-Type: text/xml; charset="utf-8"" -H "SoapAction:urn:schemas-upnp-org:service:WANIPConnection:1#ForceTermination" -d "<?xml version='1.0' encoding='utf-8'?> <s:Envelope s:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/' xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'> <s:Body> <u:ForceTermination xmlns:u='urn:schemas-upnp-org:service:WANIPConnection:1' /> </s:Body> </s:Envelope>"
}
#-------------------------------------------------------------------------------------------------------------------------------------------------------
fritzbox_WAN_IP () {
timeout 5 wget -qO- "http://$FritzboxIP:49000/igdupnp/control/WANIPConn1" --header "Content-Type: text/xml; charset="utf-8"" --header "SoapAction:urn:schemas-upnp-org:service:WANIPConnection:1#GetExternalIPAddress" --post-data="<?xml version='1.0' encoding='utf-8'?> <s:Envelope s:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/' xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'> <s:Body> <u:GetExternalIPAddress xmlns:u='urn:schemas-upnp-org:service:WANIPConnection:1' /> </s:Body> </s:Envelope>" | grep -Eo '\<[[:digit:]]{1,3}(\.[[:digit:]]{1,3}){3}\>'
}
#-------------------------------------------------------------------------------------------------------------------------------------------------------
fritzbox_renew_ip () {
printf " old FritzBox WAN IP: $(fritzbox_WAN_IP) \n"
printf " reconnecting ...\n"
fritzbox_reconnect 2>&1> /dev/null 2>&1> /dev/null
sleep $FritzboxPrintNewIPDelay
printf " new FritzBox WAN IP: $(fritzbox_WAN_IP)\n"
}
#------------------------------------------------------------------------------------------------------------
############################################################################################################
############################################# start script #############################################
############################################################################################################
#------------------------------------------------------------------------------------------------------------
case $1 in
-h ) usage "help dialog";;
-sl ) scan_lan;;
-bm ) bandwidth_measurement;;
-fbr) fritzbox_renew_ip ;;
-cfrp) check_for_required_packages;;
* ) network_information;;
esac
#------------------------------------------------------------------------------------------------------------
############################################################################################################
############################################## changelog ###############################################
############################################################################################################
#------------------------------------------------------------------------------------------------------------
# add wget timeout for http gateway
# add MAC address listing for LAN devices
# update filterstring devices macs and ips
# update speedcheck parser