mirror of https://github.com/pi-hole/pi-hole
Merge pull request #411 from nate-ubiquisoft/development
debugPihole.sh, uninstall.sh bug fixes and improvements, script cleanuppull/412/head^2
Adam Warner
8 years ago
commit
ae2117ff5a
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.DS_Store
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#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2015, 2016 by Jacob Salmela
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# Network-wide ad blocking via your Raspberry Pi
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# http://pi-hole.net
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# Generates pihole_debug.log in /var/log/ to be used for troubleshooting.
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#
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# Pi-hole is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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# Nate Brandeburg
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# nate@ubiquisoft.com
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# 3/24/2016
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######## GLOBAL VARS ########
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DEBUG_LOG="/var/log/pihole_debug.log"
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DNSMASQFILE="/etc/dnsmasq.conf"
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PIHOLECONFFILE="/etc/dnsmasq.d/01-pihole.conf"
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LIGHTTPDFILE="/etc/lighttpd/lighttpd.conf"
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GRAVITYFILE="/etc/pihole/gravity.list"
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HOSTSFILE="/etc/hosts"
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WHITELISTFILE="/etc/pihole/whitelist.txt"
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BLACKLISTFILE="/etc/pihole/blacklist.txt"
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ADLISTSFILE="/etc/pihole/adlists.list"
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PIHOLELOG="/var/log/pihole.log"
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WHITELISTMATCHES="/tmp/whitelistmatches.list"
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######## FIRST CHECK ########
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# Must be root to debug
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if [[ $EUID -eq 0 ]]; then
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echo "::: You are root... Beginning debug!"
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else
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echo "::: Sudo will be used for debugging."
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# Check if sudo is actually installed
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if [[ $(dpkg-query -s sudo) ]]; then
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export SUDO="sudo"
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else
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echo "::: Please install sudo or run this as root."
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exit 1
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fi
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fi
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# Ensure the file exists, create if not, clear if exists.
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if [ ! -f "$DEBUG_LOG" ]; then
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$SUDO touch $DEBUG_LOG
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$SUDO chmod 644 $DEBUG_LOG
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$SUDO chown "$USER":root $DEBUG_LOG
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else
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truncate -s 0 $DEBUG_LOG
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fi
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### Private functions exist here ###
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function compareWhitelist {
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if [ ! -f "$WHITELISTMATCHES" ]; then
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$SUDO touch $WHITELISTMATCHES
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$SUDO chmod 644 $WHITELISTMATCHES
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$SUDO chown "$USER":root $WHITELISTMATCHES
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else
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truncate -s 0 $WHITELISTMATCHES
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fi
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echo "#######################################" >> $DEBUG_LOG
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echo "######## Whitelist Comparison #########" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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while read -r line; do
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TMP=$(grep -w ".* $line$" "$GRAVITYFILE")
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if [ ! -z "$TMP" ]; then
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echo "$TMP" >> $DEBUG_LOG
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echo "$TMP" >> $WHITELISTMATCHES
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fi
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done < "$WHITELISTFILE"
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echo >> $DEBUG_LOG
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}
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function compareBlacklist {
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echo "#######################################" >> $DEBUG_LOG
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echo "######## Blacklist Comparison #########" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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while read -r line; do
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if [ ! -z "$line" ]; then
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grep -w ".* $line$" "$GRAVITYFILE" >> $DEBUG_LOG
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fi
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done < "$BLACKLISTFILE"
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echo >> $DEBUG_LOG
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}
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function testNslookup {
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TESTURL="doubleclick.com"
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echo "#######################################" >> $DEBUG_LOG
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echo "############ NSLookup Test ############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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# Find a blocked url that has not been whitelisted.
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if [ -s "$WHITELISTMATCHES" ]; then
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while read -r line; do
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CUTURL=${line#*" "}
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if [ "$CUTURL" != "Pi-Hole.IsWorking.OK" ]; then
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while read -r line2; do
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CUTURL2=${line2#*" "}
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if [ "$CUTURL" != "$CUTURL2" ]; then
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TESTURL="$CUTURL"
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break 2
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fi
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done < "$WHITELISTMATCHES"
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fi
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done < "$GRAVITYFILE"
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fi
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echo "NSLOOKUP of $TESTURL from PiHole:" >> $DEBUG_LOG
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nslookup "$TESTURL" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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echo "NSLOOKUP of $TESTURL from 8.8.8.8:" >> $DEBUG_LOG
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nslookup "$TESTURL" 8.8.8.8 >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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}
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### Check Pi internet connections ###
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# Log the IP addresses of this Pi
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IPADDR=$($SUDO ifconfig | perl -nle 's/dr:(\S+)/print $1/e')
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echo "::: Writing local IPs to debug log"
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echo "IP Addresses of this Pi:" >> $DEBUG_LOG
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echo "$IPADDR" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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# Check if we can connect to the local gateway
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GATEWAY_CHECK=$(ping -q -w 1 -c 1 "$(ip r | grep default | cut -d ' ' -f 3)" > /dev/null && echo ok || echo error)
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echo "Gateway check:" >> $DEBUG_LOG
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echo "$GATEWAY_CHECK" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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# Test the nslookup here
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compareWhitelist
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compareBlacklist
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testNslookup
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echo "::: Writing dnsmasq.conf to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "############### Dnsmasq ###############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$DNSMASQFILE" ]
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then
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#cat $DNSMASQFILE >> $DEBUG_LOG
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while read -r line; do
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if [ ! -z "$line" ]; then
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[[ "$line" =~ ^#.*$ ]] && continue
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echo "$line" >> $DEBUG_LOG
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fi
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done < "$DNSMASQFILE"
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echo >> $DEBUG_LOG
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else
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echo "No dnsmasq.conf file found!" >> $DEBUG_LOG
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printf ":::\tNo dnsmasq.conf file found!\n"
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fi
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echo "::: Writing 01-pihole.conf to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "########### 01-pihole.conf ############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$PIHOLECONFFILE" ]
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then
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#cat "$PIHOLECONFFILE" >> $DEBUG_LOG
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while read -r line; do
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if [ ! -z "$line" ]; then
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[[ "$line" =~ ^#.*$ ]] && continue
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echo "$line" >> $DEBUG_LOG
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fi
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done < "$PIHOLECONFFILE"
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echo >> $DEBUG_LOG
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else
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echo "No 01-pihole.conf file found!" >> $DEBUG_LOG
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printf ":::\tNo 01-pihole.conf file found\n"
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fi
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echo "::: Writing lighttpd.conf to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "############ lighttpd.conf ############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$LIGHTTPDFILE" ]
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then
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#cat "$PIHOLECONFFILE" >> $DEBUG_LOG
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while read -r line; do
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if [ ! -z "$line" ]; then
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[[ "$line" =~ ^#.*$ ]] && continue
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echo "$line" >> $DEBUG_LOG
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fi
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done < "$LIGHTTPDFILE"
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echo >> $DEBUG_LOG
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else
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echo "No lighttpd.conf file found!" >> $DEBUG_LOG
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printf ":::\tNo lighttpd.conf file found\n"
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fi
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echo "::: Writing size of gravity.list to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "############ gravity.list #############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$GRAVITYFILE" ]
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then
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wc -l "$GRAVITYFILE" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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else
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echo "No gravity.list file found!" >> $DEBUG_LOG
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printf ":::\tNo gravity.list file found\n"
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fi
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# Write the hostname output to compare against entries in /etc/hosts, which is logged next
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echo "Hostname of this pihole is: " >> $DEBUG_LOG
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hostname >> $DEBUG_LOG
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echo "::: Writing hosts file to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "################ Hosts ################" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$HOSTSFILE" ]
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then
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cat "$HOSTSFILE" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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else
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echo "No hosts file found!" >> $DEBUG_LOG
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printf ":::\tNo hosts file found!\n"
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fi
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### PiHole application specific logging ###
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echo "::: Writing whitelist to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "############## Whitelist ##############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$WHITELISTFILE" ]
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then
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cat "$WHITELISTFILE" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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else
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echo "No whitelist.txt file found!" >> $DEBUG_LOG
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printf ":::\tNo whitelist.txt file found!\n"
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fi
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echo "::: Writing blacklist to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "############## Blacklist ##############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$BLACKLISTFILE" ]
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then
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cat "$BLACKLISTFILE" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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else
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echo "No blacklist.txt file found!" >> $DEBUG_LOG
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printf ":::\tNo blacklist.txt file found!\n"
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fi
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echo "::: Writing adlists.list to debug log..."
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echo "#######################################" >> $DEBUG_LOG
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echo "############ adlists.list #############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$ADLISTSFILE" ]
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then
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cat "$ADLISTSFILE" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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else
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echo "No adlists.list file found... using adlists.default!" >> $DEBUG_LOG
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printf ":::\tNo adlists.list file found... using adlists.default!\n"
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fi
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# Continuously append the pihole.log file to the pihole_debug.log file
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function dumpPiHoleLog {
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trap '{ echo -e "\nFinishing debug write from interrupt... Quitting!" ; exit 1; }' INT
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echo -e "::: Writing current pihole traffic to debug log...\n:::\tTry loading any/all sites that you are having trouble with now... \n:::\t(Press ctrl+C to finish)"
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echo "#######################################" >> $DEBUG_LOG
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echo "############# pihole.log ##############" >> $DEBUG_LOG
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echo "#######################################" >> $DEBUG_LOG
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if [ -e "$PIHOLELOG" ]
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then
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while true; do
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tail -f "$PIHOLELOG" >> $DEBUG_LOG
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echo >> $DEBUG_LOG
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done
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else
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echo "No pihole.log file found!" >> $DEBUG_LOG
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printf ":::\tNo pihole.log file found!\n"
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fi
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}
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# Anything to be done after capturing of pihole.log terminates
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function finalWork {
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echo "::: Finshed debugging!"
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}
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trap finalWork EXIT
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### Method calls for additional logging ###
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dumpPiHoleLog
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