@ -1,4 +1,4 @@
#!/ bin/bash
#!/ usr/ bin/env bash
# Pi-hole: A black hole for Internet advertisements
# by Jacob Salmela
# Network-wide ad blocking via your Raspberry Pi
@ -24,9 +24,11 @@ columns=$(stty -a | tr \; \\012 | egrep 'columns' | cut -d' ' -f3)
r = $(( rows / 2 ))
c = $(( columns / 2 ))
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" )
IPv4mask = $( ifconfig | awk -F':' '/inet addr/ && !/127.0.0.1/ {print $4}' )
IPv4gw = $( ip route show | awk '/default\ via/ {print $3}' )
# Find IP used to route to outside world
IPv4info = $( ip route get 8.8.8.8)
IPv4dev = $( echo $IPv4info | awk '{print $5}' )
IPv4addr = $( ip -o -f inet addr show dev $IPv4dev | awk '{print $4}' )
IPv4gw = $( echo $IPv4info | awk '{print $3}' )
# IPv6 support to be added later
#IPv6eui64=$(ip addr show | awk '/scope\ global/ && /ff:fe/ {print $2}' | cut -d'/' -f1)
@ -117,7 +119,6 @@ getStaticIPv4Settings()
if ( whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno " Do you want to use your current network settings as a static address?
IP address: $IPv4addr
Subnet mask: $IPv4mask
Gateway: $IPv4gw " $r $c ) then
# If they choose yes, let the user know that the IP address will not be available via DHCP and may cause a conflict.
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.
@ -138,22 +139,17 @@ else
IPv4addr = $( whiptail --backtitle "Calibrating network interface" --title "IPv4 address" --inputbox "Enter your desired IPv4 address" $r $c $IPv4addr 3>& 1 1>& 2 2>& 3)
if [ [ $? = 0 ] ] ; then
echo " Your static IPv4 address: $IPv4addr "
# Ask for the subnet mask
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)
if [ [ $? = 0 ] ] ; then
echo " Your static IPv4 netmask: $IPv4mask "
# Ask for the gateway
# Ask for the gateway
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)
if [ [ $? = 0 ] ] ; then
echo " Your static IPv4 gateway: $IPv4gw "
# Give the user a chance to review their settings before moving on
if ( whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno " Are these settings correct?
IP address: $IPv4addr
Subnet mask: $IPv4mask
Gateway: $IPv4gw " $r $c )then
# If the settings are correct, then we need to set the piholeIP
# Saving it to a temporary file us to retrieve it later when we run the gravity.sh script
echo $ IPv4addr > /tmp/piholeIP
echo ${ IPv4addr%/* } > /tmp/piholeIP
# After that's done, the loop ends and we move on
ipSettingsCorrect = True
else
@ -167,12 +163,6 @@ else
exit
fi
else
# Cancelling subnet mask settings window
ipSettingsCorrect = False
echo "User canceled."
exit
fi
else
# Cancelling IPv4 settings window
ipSettingsCorrect = False
echo "User canceled."
@ -188,7 +178,7 @@ setStaticIPv4()
{
# Append these lines to /etc/dhcpcd.conf to enable a static IP
echo " interface $piholeInterface
static ip_address = $IPv4addr /24
static ip_address = $IPv4addr
static routers = $IPv4gw
static domain_name_servers = $IPv4gw " | sudo tee -a $dhcpcdFile >/dev/null
}
@ -224,15 +214,15 @@ sudo rm /var/www/master.zip 2>/dev/null
sudo touch /var/log/pihole.log
sudo chmod 644 /var/log/pihole.log
sudo chown dnsmasq:root /var/log/pihole.log
sudo curl -o /usr/local/ bin/gravity.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/gravity.sh
sudo curl -o /usr/local/ bin/chronometer.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/chronometer.sh
sudo curl -o /usr/local/ bin/whitelist.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/whitelist.sh
sudo curl -o /usr/local/ bin/piholeLogFlush.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/piholeLogFlush.sh
sudo chmod 755 /usr/local/ bin/gravity.sh
sudo chmod 755 /usr/local/ bin/chronometer.sh
sudo chmod 755 /usr/local/ bin/whitelist.sh
sudo chmod 755 /usr/local/ bin/piholeLogFlush.sh
sudo /usr/local/ bin/gravity.sh
sudo curl -o /usr/bin/gravity.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/gravity.sh
sudo curl -o /usr/bin/chronometer.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/chronometer.sh
sudo curl -o /usr/bin/whitelist.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/whitelist.sh
sudo curl -o /usr/bin/piholeLogFlush.sh https://raw.githubusercontent.com/jacobsalmela/pi-hole/master/advanced/Scripts/piholeLogFlush.sh
sudo chmod 755 /usr/bin/gravity.sh
sudo chmod 755 /usr/bin/chronometer.sh
sudo chmod 755 /usr/bin/whitelist.sh
sudo chmod 755 /usr/bin/piholeLogFlush.sh
sudo /usr/bin/gravity.sh
}
######## SCRIPT ############