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Merge pull request #327 from pi-hole/slamanna212-development

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Additional upstream DNS choices, plus ability to add custom upstream DNS
This commit is contained in:
Adam Warner 2016-02-21 18:40:34 +00:00
commit 3ec9b3b021
1 changed files with 120 additions and 16 deletions
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136
automated install/basic-install.sh
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@ -117,18 +117,20 @@ welcomeDialogs() {
verifyFreeDiskSpace() {
# 25MB is the minimum space needed (20MB install + 5MB one day of logs.)
requiredFreeBytes=25600
existingFreeBytes=`df -lk / 2>&1 | awk '{print $4}' | head -2 | tail -1`
if ! [[ "$existingFreeBytes" =~ ^[0-9]\+$ ]]; then
existingFreeBytes=`df -lk /dev 2>&1 | awk '{print $4}' | head -2 | tail -1`
fi
if [[ $existingFreeBytes -lt $requiredFreeBytes ]]; then
whiptail --msgbox --backtitle "Insufficient Disk Space" --title "Insufficient Disk Space" "\nYour system appears to be low on disk space. pi-hole recomends a minimum of $requiredFreeBytes Bytes.\nYou only have $existingFreeBytes Free.\n\nIf this is a new install you may need to expand your disk.\n\nTry running:\n 'sudo raspi-config'\nChoose the 'expand file system option'\n\nAfter rebooting, run this installation again.\n\ncurl -L install.pi-hole.net | bash\n" $r $c
exit 1
fi
# 25MB is the minimum space needed (20MB install + 5MB one day of logs.)
requiredFreeBytes=25600
existingFreeBytes=`df -lk / 2>&1 | awk '{print $4}' | head -2 | tail -1`
if ! [[ "$existingFreeBytes" =~ ^([0-9])+$ ]]; then
existingFreeBytes=`df -lk /dev 2>&1 | awk '{print $4}' | head -2 | tail -1`
fi
if [[ $existingFreeBytes -lt $requiredFreeBytes ]]; then
whiptail --msgbox --backtitle "Insufficient Disk Space" --title "Insufficient Disk Space" "\nYour system appears to be low on disk space. pi-hole recomends a minimum of $requiredFreeBytes Bytes.\nYou only have $existingFreeBytes Free.\n\nIf this is a new install you may need to expand your disk.\n\nTry running:\n 'sudo raspi-config'\nChoose the 'expand file system option'\n\nAfter rebooting, run this installation again.\n\ncurl -L install.pi-hole.net | bash\n" $r $c
echo "$existingFreeBytes is less than $requiredFreeBytes"
echo "Insufficient free space, exiting..."
exit 1
fi
}
@ -302,10 +304,31 @@ setStaticIPv4() {
fi
}
function valid_ip()
{
local ip=$1
local stat=1
if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
OIFS=$IFS
IFS='.'
ip=($ip)
IFS=$OIFS
[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
&& ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
stat=$?
fi
return $stat
}
setDNS(){
DNSChoseCmd=(whiptail --separate-output --radiolist "Select Upstream DNS Provider" $r $c 2)
DNSChoseCmd=(whiptail --separate-output --radiolist "Select Upstream DNS Provider. To use your own, select Custom." $r $c 6)
DNSChooseOptions=(Google "" on
OpenDNS "" off)
OpenDNS "" off
Level3 "" off
Norton "" off
Comodo "" off
Custom "" off)
DNSchoices=$("${DNSChoseCmd[@]}" "${DNSChooseOptions[@]}" 2>&1 >/dev/tty)
if [[ $? = 0 ]];then
case $DNSchoices in
@ -319,6 +342,79 @@ setDNS(){
piholeDNS1="208.67.222.222"
piholeDNS2="208.67.220.220"
;;
Level3)
echo "::: Using Level3 servers."
piholeDNS1="4.2.2.1"
piholeDNS2="4.2.2.2"
;;
Norton)
echo "::: Using Norton ConnectSafe servers."
piholeDNS1="199.85.126.10"
piholeDNS2="199.85.127.10"
;;
Comodo)
echo "::: Using Comodo Secure servers."
piholeDNS1="8.26.56.26"
piholeDNS2="8.20.247.20"
;;
Custom)
until [[ $DNSSettingsCorrect = True ]]
do
strInvalid="Invalid"
if [ ! $piholeDNS1 ]; then
if [ ! $piholeDNS2 ]; then
prePopulate=""
else
prePopulate=", $piholeDNS2"
fi
elif [ $piholeDNS1 ] && [ ! $piholeDNS2 ]; then
prePopulate="$piholeDNS1"
elif [ $piholeDNS1 ] && [ $piholeDNS2 ]; then
prePopulate="$piholeDNS1, $piholeDNS2"
fi
piholeDNS=$(whiptail --backtitle "Specify Upstream DNS Provider(s)" --inputbox "Enter your desired upstream DNS provider(s), seperated by a comma.\n\nFor example '8.8.8.8, 8.8.4.4'" $r $c "$prePopulate" 3>&1 1>&2 2>&3)
if [[ $? = 0 ]];then
piholeDNS1=$(echo $piholeDNS | sed 's/[, \t]\+/,/g' | awk -F, '{print$1}')
piholeDNS2=$(echo $piholeDNS | sed 's/[, \t]\+/,/g' | awk -F, '{print$2}')
if ! valid_ip $piholeDNS1 || [ ! $piholeDNS1 ]; then
piholeDNS1=$strInvalid
fi
if ! valid_ip $piholeDNS2 && [ $piholeDNS2 ]; then
piholeDNS2=$strInvalid
fi
else
echo "::: Cancel selected, exiting...."
exit 1
fi
if [[ $piholeDNS1 == $strInvalid ]] || [[ $piholeDNS2 == $strInvalid ]]; then
whiptail --msgbox --backtitle "Invalid IP" --title "Invalid IP" "One or both entered IP addresses were invalid. Please try again.\n\n DNS Server 1: $piholeDNS1\n DNS Server 2: $piholeDNS2" $r $c
if [[ $piholeDNS1 == $strInvalid ]]; then
piholeDNS1=""
fi
if [[ $piholeDNS2 == $strInvalid ]]; then
piholeDNS2=""
fi
DNSSettingsCorrect=False
else
if (whiptail --backtitle "Specify Upstream DNS Provider(s)" --title "Upstream DNS Provider(s)" --yesno "Are these settings correct?\n DNS Server 1: $piholeDNS1\n DNS Server 2: $piholeDNS2" $r $c) then
DNSSettingsCorrect=True
else
# If the settings are wrong, the loop continues
DNSSettingsCorrect=False
fi
fi
done
;;
esac
else
echo "::: Cancel selected. Exiting..."
@ -359,8 +455,16 @@ versionCheckDNSmasq(){
$SUDO cp $newFileToInstall $newFileFinalLocation
echo " done."
$SUDO sed -i "s/@INT@/$piholeInterface/" $newFileFinalLocation
$SUDO sed -i "s/@DNS1@/$piholeDNS1/" $newFileFinalLocation
$SUDO sed -i "s/@DNS2@/$piholeDNS2/" $newFileFinalLocation
if [[ "$piholeDNS1" != "" ]]; then
$SUDO sed -i "s/@DNS1@/$piholeDNS1/" $newFileFinalLocation
else
$SUDO sed -i '/^server=@DNS1@/d' $newFileFinalLocation
fi
if [[ "$piholeDNS2" != "" ]]; then
$SUDO sed -i "s/@DNS2@/$piholeDNS2/" $newFileFinalLocation
else
$SUDO sed -i '/^server=@DNS2@/d' $newFileFinalLocation
fi
}
installScripts() {