mirror of
https://github.com/pi-hole/pi-hole.git
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4229a3e5e9
This is a large update that helps users install the Pi-hole a bit easier by using some dialog windows and also letting the user set a static IP (I still need to figure out how to actually set the address in the system, but everything else having to do with the install script works).
192 lines
9.5 KiB
Bash
Executable file
192 lines
9.5 KiB
Bash
Executable file
#!/bin/bash
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# Pi-hole: A black hole for Internet advertisements
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# by Jacob Salmela
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# Network-wide ad blocking via your Raspberry Pi
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#
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# pi-hole.net/donate
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#
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# Install with this command (from your Pi):
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#
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# curl -L install.pi-hole.net | bash
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######## VARIABLES #########
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# Get the screen size in case we need a full-screen message and so we can display a dialog that is sized nicely
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screenSize=$(stty -a | tr \; \\012 | egrep 'rows|columns' | cut '-d ' -f3)
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# Find the rows and columns
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rows=$(stty -a | tr \; \\012 | egrep 'rows' | cut -d' ' -f3)
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columns=$(stty -a | tr \; \\012 | egrep 'columns' | cut -d' ' -f3)
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# Divide by two so the dialogs take up half of the screen, which looks nice.
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r=$(( rows / 2 ))
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c=$(( columns / 2 ))
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# Get the current network settings
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IPv4addr=$(ip -4 addr show | awk '{match($0,/[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/); ip = substr($0,RSTART,RLENGTH); print ip}' | sed '/^\s*$/d' | grep -v "127.0.0.1")
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IPv4mask=$(ifconfig | awk -F':' '/inet addr/ && !/127.0.0.1/ {print $4}')
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IPv4gw=$(ip route show | awk '/default\ via/ {print $3}')
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# IPv6 support to be added later
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IPv6addr=$(ip addr show | awk '/scope\ global/ && /ff:fe/ {print $2}' | cut -d'/' -f1)
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####### FUCNTIONS ##########
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backupLegacyPihole()
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{
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if [[ -f /etc/dnsmasq.d/adList.conf ]];then
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echo "Original Pi-hole detected. Initiating sub space transport..."
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sudo mkdir -p /etc/pihole/original/
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sudo mv /etc/dnsmasq.d/adList.conf /etc/pihole/original/adList.conf.$(date "+%Y-%m-%d")
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sudo mv /etc/dnsmasq.conf /etc/pihole/original/dnsmasq.conf.$(date "+%Y-%m-%d")
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sudo mv /etc/resolv.conf /etc/pihole/original/resolv.conf.$(date "+%Y-%m-%d")
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sudo mv /etc/lighttpd/lighttpd.conf /etc/pihole/original/lighttpd.conf.$(date "+%Y-%m-%d")
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sudo mv /var/www/pihole/index.html /etc/pihole/original/index.html.$(date "+%Y-%m-%d")
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sudo mv /usr/local/bin/gravity.sh /etc/pihole/original/gravity.sh.$(date "+%Y-%m-%d")
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else
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:
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fi
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}
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######## SCRIPT ############
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# Just back up the original Pi-hole right away since it won't take long and it gets it out of the way
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backupLegacyPihole
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# Display the welcome dialog
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whiptail --msgbox --backtitle "Welcome..." --title "Pi-hole automated installer" "This installer will transform your Raspberry Pi into a network-wide ad blocker!" $r $c
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# Explain the need for a static address
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whiptail --msgbox --backtitle "Initating network interface..." --title "Static IP Needed" "The Pi-hole is a SERVER so it needs a STATIC IP ADDRESS to function properly.
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In the next section, you can choose to use your current network settings (DHCP) or to manually edit them." $r $c
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# Ask if the user wannts to use DHCP settings as their static IP
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if (whiptail --title "Static IP Address" --yesno "Do you want to use your current network settings as a static address?
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IP address: $IPv4addr
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Subnet mask: $IPv4mask
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Gateway: $IPv4gw" $r $c) then
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# If they choose yes, let the user know that the IP address will not be available via DHCP and may cause a conflict.
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whiptail --msgbox --backtitle "IP information..." --title "FYI: IP Conflict" "It is possible your router could still try to assign this IP to a device, which would cause a conflict. But in most cases the router is smart enough to not do that.
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If you are worried, either manually set the address, or modify the DHCP reservation pool so it does not include the IP you want.
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It is also possible to use a DHCP reservation, but if you are going to do that, you might as well set a static address." $r $c
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# Nothing else to do since the variables are already set above
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else
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# Otherwise, we need to ask the user to input their desired settings.
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# Start by getting the IPv4 address (pre-filling it with info gathered from DHCP)
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# Start a loop to let the user enter their information with the chance to go back and edit it if necessary
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until [[ $ipSettingsCorrect = True ]]
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do
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# Ask for the IPv4 address
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IPv4addr=$(whiptail --backtitle "Calibrating network interface..." --title "IPv4 address" --inputbox "Enter your desired IPv4 address" $r $c $IPv4addr 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]];then
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echo "Your static IPv4 address: $IPv4addr"
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# Ask for the subnet mask
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IPv4mask=$(whiptail --backtitle "Calibrating network interface..." --title "IPv4 netmask" --inputbox "Enter your desired IPv4 subnet mask" $r $c $IPv4mask 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]];then
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echo "Your static IPv4 netmask: $IPv4mask"
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# Ask for the gateway
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IPv4gw=$(whiptail --backtitle "Calibrating network interface..." --title "IPv4 gateway (router)" --inputbox "Enter your desired IPv4 default gateway" $r $c $IPv4gw 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]];then
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echo "Your static IPv4 gateway: $IPv4gw"
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# Give the user a chance to review their settings before moving on
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if (whiptail --title "Static IP Address" --yesno "Are these settings correct?
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IP address: $IPv4addr
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Subnet mask: $IPv4mask
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Gateway: $IPv4gw" $r $c)then
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# If the settings are correct, then we need to set the piholeIP
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# Saving it to a temporary file us to retrieve it later when we run the gravity.sh script
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echo $IPv4addr > /tmp/piholeIP
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# After that's done, the loop ends and we move on
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ipSettingsCorrect=True
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else
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# If the settings are wrong, the loop continues
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ipSettingsCorrect=False
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fi
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else
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# Cancelling gateway settings window
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ipSettingsCorrect=False
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echo "User canceled."
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exit
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fi
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else
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# Cancelling subnet mask settings window
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ipSettingsCorrect=False
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echo "User canceled."
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exit
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fi
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else
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# Cancelling IPv4 settings window
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ipSettingsCorrect=False
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echo "User canceled."
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exit
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fi
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done
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# End the if statement for DHCP vs. static
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fi
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# These are the commands to actually install the Pi-hole
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# Create an associative array so we can display text to the user but run the associated command in the background.
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declare -A cmdsAndEchoes=([sudo apt-get update]='Updating...'
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[sudo apt-get -y upgrade]='Upgrading...'
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[sudo apt-get -y install dnsutils bc toilet]='Installing chronomoter tools...'
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[sudo apt-get -y install dnsmasq]='Installing a DNS server...'
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[sudo apt-get -y install lighttpd php5-common php5-cgi php5]='Instaling a Web server and PHP...'
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[sudo mkdir /var/www/html]='Making an HTML folder...'
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[sudo chown www-data:www-data /var/www/html]='Setting permissions for the Web server...'
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[sudo chmod 775 /var/www/html]='Setting permissions for the Web server...'
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[sudo usermod -a -G www-data pi]='Setting permissions for the Web server...'
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[sudo service dnsmasq stop]='Stopping dnsmasq to modify it...'
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[sudo service lighttpd stop]='Stopping lighttpd to modify it...'
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[sudo mv /etc/dnsmasq.conf /etc/dnsmasq.conf.orig]='Backing up the dnsmasq config file...'
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[sudo mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.orig]='Backing up the lighttpd config file...'
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[sudo mv /var/www/html/index.lighttpd.html /var/www/html/index.lighttpd.orig]='Backing up the default Web page...'
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[sudo curl -o /etc/dnsmasq.conf https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/dnsmasq.conf]='Installing the dnsmasq config file...'
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[sudo curl -o /etc/lighttpd/lighttpd.conf https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/lighttpd.conf]='Installing the lighttpd config file...'
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[sudo lighty-enable-mod fastcgi fastcgi-php]='Enabling PHP...'
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[sudo mkdir /var/www/html/pihole]='Making a directory for the Web interface...'
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[sudo curl -o /var/www/html/pihole/index.html https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/index.html]='Installing a blank HTML page to take place of ads...'
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[sudo wget https://github.com/jacobsalmela/AdminLTE/archive/master.zip -O /var/www/master.zip]='Downloading the Pi-hole dashboard...'
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[sudo unzip /var/www/master.zip -d /var/www/html/]='Unpacking the dashboard...'
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[sudo mv /var/www/html/AdminLTE-master /var/www/html/admin]='Renaming the dashboard...'
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[sudo rm /var/www/master.zip 2>/dev/null]='Cleaning up the dashboard temp files...'
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[sudo touch /var/log/pihole.log]='Creating a log file for the Pi-hole...'
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[sudo chmod 644 /var/log/pihole.log]='Making sure the log is readable...'
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[sudo chown dnsmasq:root /var/log/pihole.log]='Letting dnsmasq see the log file so stats can be displayed...'
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[sudo curl -o /usr/local/bin/gravity.sh "https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/gravity.sh"]='Initating sub-space transport...'
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[sudo curl -o /usr/local/bin/chronometer.sh "https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/chronometer.sh"]='Initating sub-space transport...'
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[sudo chmod 755 /usr/local/bin/gravity.sh]='Making the scripts executable...'
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[sudo chmod 755 /usr/local/bin/chronometer.sh]='Making the scripts executable...'
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[sudo /usr/local/bin/gravity.sh]='Entering the event horizion...'
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[sudo reboot]='Restarting...')
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# Everything in the parentheses is part of displaying the progress bar
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(
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# Get total number of commands to be run from the array
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n=${#cmdsAndEchoes[*]};
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# Set counter to increase every time a loop completes
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i=0
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# For each key in the array
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for key in "${!cmdsAndEchoes[@]}"
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do
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# Calculate the overall progress
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percent=$(( 100*(++i)/n ))
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# Update dialog box using the value of each key in the array
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# Show the percentage and the echo messages from the array
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cat <<EOF
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XXX
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$percent
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${cmdsAndEchoes[$key]}
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XXX
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EOF
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# Execute the command in the background (hidden from the user, not actually a background process)
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$key
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done
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# As the loop is progressing, the output is sent to whiptail to be displayed to the user
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) |
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whiptail --title "Opening your Pi-hole..." --gauge "Please wait..." $r $c 0
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