mirror of
https://github.com/pi-hole/pi-hole.git
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ecb4ea581e
I commented out the whiptail dialog at the end in place of text so you can see what is going on. I also install the crontab.
215 lines
12 KiB
Bash
Executable file
215 lines
12 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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tmpLog=/tmp/pihole-install.log
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instalLogLoc=/etc/pihole/install.log
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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=$(( columns / 2 ))
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IPv4addr=$(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 $2}' | cut -d'/' -f1)
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ethernetDevice="eth0"
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dhcpcdFile=/etc/dhcpcd.conf
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####### FUCNTIONS ##########
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backupLegacyPihole()
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{
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if [[ -f /etc/dnsmasq.d/adList.conf ]];then
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echo "Original Pi-hole detected. Initiating sub space transport"
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sudo mkdir -p /etc/pihole/original/
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sudo mv /etc/dnsmasq.d/adList.conf /etc/pihole/original/adList.conf.$(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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set_static_ip()
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{
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# Append these lines to /etc/dhcpcd.conf to enable a static IP
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echo "interface $ethernetDevice
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static ip_address=$IPv4addr/24
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static routers=$IPv4gw
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static domain_name_servers=$IPv4gw" | sudo tee -a $dhcpcdFile >/dev/null
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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 --backtitle "Calibrating network interface" --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 --backtitle "Calibrating network interface" --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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# Set the static address
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set_static_ip
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# These are the commands to actually install the Pi-hole
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# This is pretty ugly, but it works to present a nice front-end
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# http://stackoverflow.com/questions/29161323/how-to-keep-associative-array-order-in-bash
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# Maybe it would be better to just show the command output instead of the progress bar
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declare -A commands; declare -a echoes;
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commands["Updating"]="sudo apt-get update"; echoes+=( "Updating" )
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commands["Upgrading"]="sudo apt-get -y upgrade"; echoes+=( "Upgrading" )
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commands["Installing chronomoter tools"]="sudo apt-get -y install dnsutils bc toilet"; echoes+=( "Installing chronomoter tools" )
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commands["Installing a DNS server"]="sudo apt-get -y install dnsmasq"; echoes+=( "Installing a DNS server" )
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commands["Instaling a Web server and PHP"]="sudo apt-get -y install lighttpd php5-common php5-cgi php5"; echoes+=( "Instaling a Web server and PHP" )
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commands["Making an HTML folder"]="sudo mkdir /var/www/html"; echoes+=( "Making an HTML folder" )
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commands["chowning the Web server"]="sudo chown www-data:www-data /var/www/html"; echoes+=( "chowning the Web server" )
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commands["chmodding the Web server"]="sudo chmod 775 /var/www/html"; echoes+=( "chmodding the Web server" )
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commands["Giving pi access to the Web server"]="sudo usermod -a -G www-data pi"; echoes+=( "Giving pi access to the Web server" )
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commands["Stopping dnsmasq to modify it"]="sudo service dnsmasq stop"; echoes+=( "Stopping dnsmasq to modify it" )
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commands["Stopping lighttpd to modify it"]="sudo service lighttpd stop"; echoes+=( "Stopping lighttpd to modify it" )
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commands["Backing up the dnsmasq config file"]="sudo mv /etc/dnsmasq.conf /etc/dnsmasq.conf.orig"; echoes+=( "Backing up the dnsmasq config file" )
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commands["Backing up the lighttpd config file"]="sudo mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.orig"; echoes+=( "Backing up the lighttpd config file" )
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commands["Backing up the default Web page"]="sudo mv /var/www/html/index.lighttpd.html /var/www/html/index.lighttpd.orig"; echoes+=( "Backing up the default Web page" )
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commands["Installing the dnsmasq config file"]="sudo curl -o /etc/dnsmasq.conf https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/dnsmasq.conf"; echoes+=( "Installing the dnsmasq config file" )
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commands["Installing the lighttpd config file"]="sudo curl -o /etc/lighttpd/lighttpd.conf https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/lighttpd.conf"; echoes+=( "Installing the lighttpd config file" )
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commands["Initating auto-pilot"]="sudo mv /etc/crontab /etc/crontab.orig"; echoes+=( "Initiating auto-pilot" )
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commands["Engaging auto-pilot"]="curl -o /etc/crontab https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/pihole.cron"; echoes+=( "Engaging auto-pilot" )
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commands["Enabling PHP"]="sudo lighty-enable-mod fastcgi fastcgi-php"; echoes+=( "Enabling PHP" )
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commands["Making a directory for the Web interface"]="sudo mkdir /var/www/html/pihole"; echoes+=( "Making a directory for the Web interface" )
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commands["Installing a blank HTML page to take place of ads"]="sudo curl -o /var/www/html/pihole/index.html https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/index.html"; echoes+=( "Installing a blank HTML page to take place of ads" )
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commands["Downloading the Pi-hole dashboard"]="sudo wget https://github.com/jacobsalmela/AdminLTE/archive/master.zip -O /var/www/master.zip"; echoes+=( "Downloading the Pi-hole dashboard" )
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commands["Unpacking the dashboard"]="sudo unzip -o /var/www/master.zip -d /var/www/html/"; echoes+=( "Unpacking the dashboard" )
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commands["Renaming the dashboard"]="sudo mv /var/www/html/AdminLTE-master /var/www/html/admin"; echoes+=( "Renaming the dashboard" )
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commands["Cleaning up the dashboard temp files"]="sudo rm /var/www/master.zip 2>/dev/null"; echoes+=( "Cleaning up the dashboard temp files" )
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commands["Creating a log file for the Pi-hole"]="sudo touch /var/log/pihole.log"; echoes+=( "Creating a log file for the Pi-hole" )
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commands["chmodding the log file"]="sudo chmod 644 /var/log/pihole.log"; echoes+=( "chmodding the log file" )
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commands["chowning the log file so stats can be displayed"]="sudo chown dnsmasq:root /var/log/pihole.log"; echoes+=( "chowning the log file so stats can be displayed" )
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commands["Initating sub-space transport of gravity"]="sudo curl -o /usr/local/bin/gravity.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/installation/gravity.sh"; echoes+=( "Initating sub-space transport of gravity" )
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commands["Initating sub-space transport of chronometer"]="sudo curl -o /usr/local/bin/chronometer.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/chronometer.sh"; echoes+=( "Initating sub-space transport of chronometer" )
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commands["chmodding gravity"]="sudo chmod 755 /usr/local/bin/gravity.sh"; echoes+=( "chmodding gravity" )
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commands["chmodding the chronometer"]="sudo chmod 755 /usr/local/bin/chronometer.sh"; echoes+=( "chmodding the chronometer" )
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commands["Entering the event horizion"]="sudo /usr/local/bin/gravity.sh"; echoes+=( "Entering the event horizion" )
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commands["Rebooting"]="sudo service networking restart"; echoes+=( "Restarting networking..." )
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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=${#commands[*]};
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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 item in the array
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for k in "${!echoes[@]}"
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do
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# Calculate the overall progress
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percent=$(( 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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Step $i of $n: ${echoes[$k]}
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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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${commands[${echoes[$k]}]} | tee $tmpLog
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clear
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done
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sudo mv $tmpLog $instalLogLoc$instalLogLoc
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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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#) |whiptail --title "Opening your Pi-hole..." --gauge "Please wait..." $r $c 0
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