Pi-hole/pi-hole
Pi-hole/pi-hole
1
0
Fork 0
mirror of https://github.com/pi-hole/pi-hole.git synced 2024-11-15 10:43:55 +00:00
Code Issues Projects Releases Packages Wiki Activity
pi-hole/advanced/Scripts/piholeDebug.sh

354 lines
11 KiB
Bash
Executable file
Raw Blame History

#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
# (c) 2015, 2016 by Jacob Salmela
# Network-wide ad blocking via your Raspberry Pi
# http://pi-hole.net
# Generates pihole_debug.log in /var/log/ to be used for troubleshooting.
#
# Pi-hole is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
######## GLOBAL VARS ########
DEBUG_LOG="/var/log/pihole_debug.log"
DNSMASQFILE="/etc/dnsmasq.conf"
PIHOLECONFFILE="/etc/dnsmasq.d/01-pihole.conf"
LIGHTTPDFILE="/etc/lighttpd/lighttpd.conf"
LIGHTTPDERRFILE="/var/log/lighttpd/error.log"
GRAVITYFILE="/etc/pihole/gravity.list"
HOSTSFILE="/etc/hosts"
WHITELISTFILE="/etc/pihole/whitelist.txt"
BLACKLISTFILE="/etc/pihole/blacklist.txt"
ADLISTSFILE="/etc/pihole/adlists.list"
PIHOLELOG="/var/log/pihole.log"
WHITELISTMATCHES="/tmp/whitelistmatches.list"
######## FIRST CHECK ########
# Must be root to debug
if [[ $EUID -eq 0 ]]; then
echo "::: You are root... Beginning debug!"
else
echo "::: Sudo will be used for debugging."
# Check if sudo is actually installed
if [ -x "$(command -v sudo)" ]; then
export SUDO="sudo"
else
echo "::: Please install sudo or run this as root."
exit 1
fi
fi
# Ensure the file exists, create if not, clear if exists.
if [ ! -f "$DEBUG_LOG" ]; then
$SUDO touch $DEBUG_LOG
$SUDO chmod 644 $DEBUG_LOG
$SUDO chown "$USER":root $DEBUG_LOG
else
truncate -s 0 $DEBUG_LOG
fi
### Private functions exist here ###
function versionCheck {
echo "#######################################" >> $DEBUG_LOG
echo "########## Versions Section ###########" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
TMP=$(cd /etc/.pihole/ && git describe --tags --abbrev=0)
echo "Pi-hole Version: $TMP" >> $DEBUG_LOG
TMP=$(cd /var/www/html/admin && git describe --tags --abbrev=0)
echo "WebUI Version: $TMP" >> $DEBUG_LOG
echo >> $DEBUG_LOG
}
function distroCheck {
echo "#######################################" >> $DEBUG_LOG
echo "######## Distribution Section #########" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
TMP=$(cat /etc/*release/ || echo "Failed to find release")
echo "Distribution Version: $TMP" >> $DEBUG_LOG
}
function compareWhitelist {
if [ ! -f "$WHITELISTMATCHES" ]; then
$SUDO touch $WHITELISTMATCHES
$SUDO chmod 644 $WHITELISTMATCHES
$SUDO chown "$USER":root $WHITELISTMATCHES
else
truncate -s 0 $WHITELISTMATCHES
fi
echo "#######################################" >> $DEBUG_LOG
echo "######## Whitelist Comparison #########" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
while read -r line; do
TMP=$(grep -w ".* $line$" "$GRAVITYFILE")
if [ ! -z "$TMP" ]; then
echo "$TMP" >> $DEBUG_LOG
echo "$TMP" >> $WHITELISTMATCHES
fi
done < "$WHITELISTFILE"
echo >> $DEBUG_LOG
}
function compareBlacklist {
echo "#######################################" >> $DEBUG_LOG
echo "######## Blacklist Comparison #########" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
while read -r line; do
if [ ! -z "$line" ]; then
grep -w ".* $line$" "$GRAVITYFILE" >> $DEBUG_LOG
fi
done < "$BLACKLISTFILE"
echo >> $DEBUG_LOG
}
function testNslookup {
TESTURL="doubleclick.com"
echo "#######################################" >> $DEBUG_LOG
echo "############ NSLookup Test ############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
# Find a blocked url that has not been whitelisted.
if [ -s "$WHITELISTMATCHES" ]; then
while read -r line; do
CUTURL=${line#*" "}
if [ "$CUTURL" != "Pi-Hole.IsWorking.OK" ]; then
while read -r line2; do
CUTURL2=${line2#*" "}
if [ "$CUTURL" != "$CUTURL2" ]; then
TESTURL="$CUTURL"
break 2
fi
done < "$WHITELISTMATCHES"
fi
done < "$GRAVITYFILE"
fi
echo "NSLOOKUP of $TESTURL from PiHole:" >> $DEBUG_LOG
nslookup "$TESTURL" >> $DEBUG_LOG
echo >> $DEBUG_LOG
echo "NSLOOKUP of $TESTURL from 8.8.8.8:" >> $DEBUG_LOG
nslookup "$TESTURL" 8.8.8.8 >> $DEBUG_LOG
echo >> $DEBUG_LOG
}
function checkProcesses {
echo "#######################################" >> $DEBUG_LOG
echo "########### Processes Check ###########" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
echo ":::"
echo "::: Logging status of lighttpd and dnsmasq..."
PROCESSES=( lighttpd dnsmasq )
for i in "${PROCESSES[@]}"
do
echo "" >> $DEBUG_LOG
echo -n "$i" >> "$DEBUG_LOG"
echo " processes status:" >> $DEBUG_LOG
$SUDO systemctl -l status "$i" >> "$DEBUG_LOG"
done
}
function debugLighttpd {
echo "::: Writing lighttpd to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "############ lighttpd.conf ############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$LIGHTTPDFILE" ]
then
while read -r line; do
if [ ! -z "$line" ]; then
[[ "$line" =~ ^#.*$ ]] && continue
echo "$line" >> $DEBUG_LOG
fi
done < "$LIGHTTPDFILE"
echo >> $DEBUG_LOG
else
echo "No lighttpd.conf file found!" >> $DEBUG_LOG
printf ":::\tNo lighttpd.conf file found\n"
fi
if [ -e "$LIGHTTPDERRFILE" ]
then
echo "#######################################" >> $DEBUG_LOG
echo "######### lighttpd error.log ##########" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
cat "$LIGHTTPDERRFILE" >> $DEBUG_LOG
else
echo "No lighttpd error.log file found!" >> $DEBUG_LOG
printf ":::\tNo lighttpd error.log file found\n"
fi
echo >> $DEBUG_LOG
}
### END FUNCTIONS ###
### Check Pi internet connections ###
# Log the IP addresses of this Pi
IPADDR=$($SUDO ifconfig | perl -nle 's/dr:(\S+)/print $1/e')
echo "::: Writing local IPs to debug log"
echo "IP Addresses of this Pi:" >> $DEBUG_LOG
echo "$IPADDR" >> $DEBUG_LOG
echo >> $DEBUG_LOG
# Check if we can connect to the local gateway
GATEWAY_CHECK=$(ping -q -w 1 -c 1 "$(ip r | grep default | cut -d ' ' -f 3)" > /dev/null && echo ok || echo error)
echo "Gateway check:" >> $DEBUG_LOG
echo "$GATEWAY_CHECK" >> $DEBUG_LOG
echo >> $DEBUG_LOG
versionCheck
distroCheck
compareWhitelist
compareBlacklist
testNslookup
checkProcesses
debugLighttpd
echo "::: Writing dnsmasq.conf to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "############### Dnsmasq ###############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$DNSMASQFILE" ]
then
#cat $DNSMASQFILE >> $DEBUG_LOG
while read -r line; do
if [ ! -z "$line" ]; then
[[ "$line" =~ ^#.*$ ]] && continue
echo "$line" >> $DEBUG_LOG
fi
done < "$DNSMASQFILE"
echo >> $DEBUG_LOG
else
echo "No dnsmasq.conf file found!" >> $DEBUG_LOG
printf ":::\tNo dnsmasq.conf file found!\n"
fi
echo "::: Writing 01-pihole.conf to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "########### 01-pihole.conf ############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$PIHOLECONFFILE" ]
then
while read -r line; do
if [ ! -z "$line" ]; then
[[ "$line" =~ ^#.*$ ]] && continue
echo "$line" >> $DEBUG_LOG
fi
done < "$PIHOLECONFFILE"
echo >> $DEBUG_LOG
else
echo "No 01-pihole.conf file found!" >> $DEBUG_LOG
printf ":::\tNo 01-pihole.conf file found\n"
fi
echo "::: Writing size of gravity.list to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "############ gravity.list #############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$GRAVITYFILE" ]
then
wc -l "$GRAVITYFILE" >> $DEBUG_LOG
echo >> $DEBUG_LOG
else
echo "No gravity.list file found!" >> $DEBUG_LOG
printf ":::\tNo gravity.list file found\n"
fi
# Write the hostname output to compare against entries in /etc/hosts, which is logged next
echo "Hostname of this pihole is: " >> $DEBUG_LOG
hostname >> $DEBUG_LOG
echo "::: Writing hosts file to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "################ Hosts ################" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$HOSTSFILE" ]
then
cat "$HOSTSFILE" >> $DEBUG_LOG
echo >> $DEBUG_LOG
else
echo "No hosts file found!" >> $DEBUG_LOG
printf ":::\tNo hosts file found!\n"
fi
### PiHole application specific logging ###
echo "::: Writing whitelist to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "############## Whitelist ##############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$WHITELISTFILE" ]
then
cat "$WHITELISTFILE" >> $DEBUG_LOG
echo >> $DEBUG_LOG
else
echo "No whitelist.txt file found!" >> $DEBUG_LOG
printf ":::\tNo whitelist.txt file found!\n"
fi
echo "::: Writing blacklist to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "############## Blacklist ##############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$BLACKLISTFILE" ]
then
cat "$BLACKLISTFILE" >> $DEBUG_LOG
echo >> $DEBUG_LOG
else
echo "No blacklist.txt file found!" >> $DEBUG_LOG
printf ":::\tNo blacklist.txt file found!\n"
fi
echo "::: Writing adlists.list to debug log..."
echo "#######################################" >> $DEBUG_LOG
echo "############ adlists.list #############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$ADLISTSFILE" ]
then
cat "$ADLISTSFILE" >> $DEBUG_LOG
echo >> $DEBUG_LOG
else
echo "No adlists.list file found... using adlists.default!" >> $DEBUG_LOG
printf ":::\tNo adlists.list file found... using adlists.default!\n"
fi
# Continuously append the pihole.log file to the pihole_debug.log file
function dumpPiHoleLog {
trap '{ echo -e "\n::: Finishing debug write from interrupt... Quitting!" ; exit 1; }' INT
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)"
echo "#######################################" >> $DEBUG_LOG
echo "############# pihole.log ##############" >> $DEBUG_LOG
echo "#######################################" >> $DEBUG_LOG
if [ -e "$PIHOLELOG" ]
then
while true; do
tail -f "$PIHOLELOG" >> $DEBUG_LOG
echo >> $DEBUG_LOG
done
else
echo "No pihole.log file found!" >> $DEBUG_LOG
printf ":::\tNo pihole.log file found!\n"
fi
}
# Anything to be done after capturing of pihole.log terminates
function finalWork {
echo "::: Finshed debugging!"
TERMBIN=$(cat /var/log/pihole_debug.log | nc termbin.com 9999)
# Check if termbin.com is reachable. When it's not, point to local log instead
if [ -n "$TERMBIN" ]
then
echo "::: Debug log can be found at : $TERMBIN"
else
echo "::: Debug log can be found at : /var/log/pihole_debug.log"
fi
}
trap finalWork EXIT
### Method calls for additional logging ###
dumpPiHoleLog
Reference in a new issue View git blame Copy permalink