From d0b3727c5dac0f1e4844aa72b3416aad717786bd Mon Sep 17 00:00:00 2001 From: Marcus Hildum Date: Sat, 22 Oct 2016 00:32:36 -0700 Subject: [PATCH] Consistency Yet more cleanup --- advanced/Scripts/piholeDebug.sh | 360 +++++++++++++++----------------- 1 file changed, 170 insertions(+), 190 deletions(-) diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh index a49133fd..4c0629e3 100755 --- a/advanced/Scripts/piholeDebug.sh +++ b/advanced/Scripts/piholeDebug.sh @@ -1,4 +1,4 @@ -#/usr/bin/env bash +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 @@ -39,7 +39,7 @@ EOM ######## FIRST CHECK ######## # Must be root to debug -if [[ "$EUID" -eq 0 ]]; then +if [[ "${EUID}" -eq 0 ]]; then echo "::: Script is executing as root user..." else echo "::: Non-root user detected..." @@ -54,7 +54,7 @@ else fi # Ensure the file exists, create if not, clear if exists. -if [ ! -f "$DEBUG_LOG" ]; then +if [ ! -f "${DEBUG_LOG}" ]; then ${SUDO} touch ${DEBUG_LOG} ${SUDO} chmod 644 ${DEBUG_LOG} ${SUDO} chown "$USER":root ${DEBUG_LOG} @@ -64,25 +64,25 @@ fi ### Private functions exist here ### log_write() { - echo "$1" >> "${DEBUG_LOG}" + echo "${1}" >> "${DEBUG_LOG}" } version_check() { - log_write "############################################################" - log_write "########## Installed Versions ##########" - log_write "############################################################" + log_write "############################################################" + log_write "########## Installed Versions ##########" + log_write "############################################################" - echo "::: Detecting Pi-hole installed versions." - pi_hole_ver="$(cd /etc/.pihole/ && git describe --tags --abbrev=0)" \ - && log_write "Pi-hole Version: $pi_hole_ver" || log_write "Pi-hole git repository not detected." - admin_ver="$(cd /var/www/html/admin && git describe --tags --abbrev=0)" \ - && log_write "WebUI Version: $admin_ver" || log_write "Pi-hole Admin Pages git repository not detected." + echo "::: Detecting Pi-hole installed versions." + pi_hole_ver="$(cd /etc/.pihole/ && git describe --tags --abbrev=0)" \ + && log_write "Pi-hole Version: $pi_hole_ver" || log_write "Pi-hole git repository not detected." + admin_ver="$(cd /var/www/html/admin && git describe --tags --abbrev=0)" \ + && log_write "WebUI Version: $admin_ver" || log_write "Pi-hole Admin Pages git repository not detected." - echo "::: Writing lighttpd version to logfile." - light_ver="$(lighttpd -v |& head -n1)" && log_write "${light_ver}" || log_write "lighttpd not installed." + echo "::: Writing lighttpd version to logfile." + light_ver="$(lighttpd -v |& head -n1)" && log_write "${light_ver}" || log_write "lighttpd not installed." - echo "::: Writing PHP version to logfile." - php_ver="$(php -v |& head -n1)" && log_write "${php_ver}" || log_write "PHP not installed." + echo "::: Writing PHP version to logfile." + php_ver="$(php -v |& head -n1)" && log_write "${php_ver}" || log_write "PHP not installed." } distro_check() { @@ -94,7 +94,7 @@ distro_check() { TMP=$(cat /etc/*release || echo "Failed to find release") echo "::: Writing OS Distribution release to logfile." - echo "$TMP" >> ${DEBUG_LOG} + echo "${TMP}" >> ${DEBUG_LOG} echo >> ${DEBUG_LOG} } @@ -103,103 +103,96 @@ ip_check() { echo "######## IP Address Information #########" >> ${DEBUG_LOG} echo "############################################################" >> ${DEBUG_LOG} - echo "::: Writing local IPs to logfile" - IPADDR="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" - echo "$IPADDR" >> ${DEBUG_LOG} + echo "::: Writing local IPs to logfile" + IPADDR="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" + echo "${IPADDR}" >> ${DEBUG_LOG} - IP6ADDR="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \ - && echo "$IP6ADDR" >> ${DEBUG_LOG} || echo "No IPv6 addresses found." >> ${DEBUG_LOG} - echo >> ${DEBUG_LOG} + IP6ADDR="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \ + && echo "${IP6ADDR}" >> ${DEBUG_LOG} || echo "No IPv6 addresses found." >> ${DEBUG_LOG} + echo >> ${DEBUG_LOG} - echo "::: Locating default gateway and checking connectivity" - GATEWAY=$(ip r | grep default | cut -d ' ' -f 3) - if [[ $? = 0 ]] - then - echo "::: Pinging default IPv4 gateway..." - GATEWAY_CHECK=$(ping -q -w 3 -c 3 -n "${GATEWAY}" | tail -n3) - if [[ $? = 0 ]] - then - echo "IPv4 Gateway check:" >> ${DEBUG_LOG} - else - echo "IPv4 Gateway check failed:" >> ${DEBUG_LOG} - fi - echo "$GATEWAY_CHECK" >> ${DEBUG_LOG} - echo >> ${DEBUG_LOG} + echo "::: Locating default gateway and checking connectivity" + GATEWAY=$(ip r | grep default | cut -d ' ' -f 3) + if [[ $? = 0 ]]; then + echo "::: Pinging default IPv4 gateway..." + GATEWAY_CHECK=$(ping -q -w 3 -c 3 -n "${GATEWAY}" | tail -n3) + if [[ $? = 0 ]]; then + echo "IPv4 Gateway check:" >> ${DEBUG_LOG} + else + echo "IPv4 Gateway check failed:" >> ${DEBUG_LOG} + fi + echo "${GATEWAY_CHECK}" >> ${DEBUG_LOG} + echo >> ${DEBUG_LOG} - echo "::: Pinging Internet via IPv4..." - INET_CHECK=$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3) - if [[ $? = 0 ]] - then - echo "IPv4 Internet check:" >> ${DEBUG_LOG} - else - echo "IPv4 Internet check failed:" >> ${DEBUG_LOG} - fi - echo "$INET_CHECK" >> ${DEBUG_LOG} - echo >> ${DEBUG_LOG} - fi + echo "::: Pinging Internet via IPv4..." + INET_CHECK=$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3) + if [[ $? = 0 ]]; then + echo "IPv4 Internet check:" >> ${DEBUG_LOG} + else + echo "IPv4 Internet check failed:" >> ${DEBUG_LOG} + fi + echo "${INET_CHECK}" >> ${DEBUG_LOG} + echo >> ${DEBUG_LOG} + fi - GATEWAY6=$(ip -6 r | grep default | cut -d ' ' -f 3) - if [[ $? = 0 ]] - then - echo "::: Pinging default IPv6 gateway..." - GATEWAY6_CHECK=$(ping6 -q -w 3 -c 3 -n "${GATEWAY6}" | tail -n3) - if [[ $? = 0 ]] - then - echo "IPv6 Gateway check:" >> ${DEBUG_LOG} - else - echo "IPv6 Gateway check failed:" >> ${DEBUG_LOG} - fi + GATEWAY6=$(ip -6 r | grep default | cut -d ' ' -f 3) + if [[ $? = 0 ]]; then + echo "::: Pinging default IPv6 gateway..." + GATEWAY6_CHECK=$(ping6 -q -w 3 -c 3 -n "${GATEWAY6}" | tail -n3) + if [[ $? = 0 ]]; then + echo "IPv6 Gateway check:" >> ${DEBUG_LOG} + else + echo "IPv6 Gateway check failed:" >> ${DEBUG_LOG} + fi - echo "::: Pinging Internet via IPv6..." - GATEWAY6_CHECK=$(ping6 -q -w 3 -c 3 -n 2001:4860:4860::8888 | tail -n3) - if [[ $? = 0 ]] - then - echo "IPv6 Internet check:" >> ${DEBUG_LOG} - else - echo "IPv6 Internet check failed:" >> ${DEBUG_LOG} - fi + echo "::: Pinging Internet via IPv6..." + GATEWAY6_CHECK=$(ping6 -q -w 3 -c 3 -n 2001:4860:4860::8888 | tail -n3) + if [[ $? = 0 ]]; then + echo "IPv6 Internet check:" >> ${DEBUG_LOG} + else + echo "IPv6 Internet check failed:" >> ${DEBUG_LOG} + fi - else - GATEWAY_CHECK="No IPv6 Gateway Detected" - fi - echo "$GATEWAY_CHECK" >> ${DEBUG_LOG} + else + GATEWAY_CHECK="No IPv6 Gateway Detected" + fi + echo "${GATEWAY_CHECK}" >> ${DEBUG_LOG} - echo >> ${DEBUG_LOG} + echo >> ${DEBUG_LOG} } hostnameCheck() { - echo "############################################################" >> ${DEBUG_LOG} + echo "############################################################" >> ${DEBUG_LOG} echo "######## Hostname Information #########" >> ${DEBUG_LOG} echo "############################################################" >> ${DEBUG_LOG} - echo "::: Writing locally configured hostnames to logfile" - # Write the hostname output to compare against entries in /etc/hosts, which is logged next - echo "This Pi-hole is: $(hostname)" >> ${DEBUG_LOG} + echo "::: Writing locally configured hostnames to logfile" + # Write the hostname output to compare against entries in /etc/hosts, which is logged next + echo "This Pi-hole is: $(hostname)" >> ${DEBUG_LOG} - echo "::: Writing hosts file to debug log..." - echo "### Hosts ###" >> ${DEBUG_LOG} + echo "::: Writing hosts file to debug log..." + echo "### Hosts ###" >> ${DEBUG_LOG} - if [ -e "$HOSTSFILE" ] - then - cat "$HOSTSFILE" >> ${DEBUG_LOG} - echo >> ${DEBUG_LOG} - else - echo "No hosts file found!" >> ${DEBUG_LOG} - printf ":::\tNo hosts file found!\n" - fi + if [ -e "${HOSTSFILE}" ]; then + cat "${HOSTSFILE}" >> ${DEBUG_LOG} + echo >> ${DEBUG_LOG} + else + echo "No hosts file found!" >> ${DEBUG_LOG} + printf ":::\tNo hosts file found!\n" + fi } portCheck() { - echo "############################################################" >> ${DEBUG_LOG} + echo "############################################################" >> ${DEBUG_LOG} echo "######## Open Port Information #########" >> ${DEBUG_LOG} echo "############################################################" >> ${DEBUG_LOG} - echo "::: Detecting local server port 80 and 53 processes." + echo "::: Detecting local server port 80 and 53 processes." - ${SUDO} lsof -i :80 >> ${DEBUG_LOG} - ${SUDO} lsof -i :53 >> ${DEBUG_LOG} - echo >> ${DEBUG_LOG} + ${SUDO} lsof -i :80 >> ${DEBUG_LOG} + ${SUDO} lsof -i :53 >> ${DEBUG_LOG} + echo >> ${DEBUG_LOG} } testResolver() { @@ -209,59 +202,57 @@ testResolver() { # Find a blocked url that has not been whitelisted. - TESTURL="doubleclick.com" - if [ -s "$WHITELISTMATCHES" ]; then + TESTURL="doubleclick.com" + if [ -s "${WHITELISTMATCHES}" ]; then while read -r line; do CUTURL=${line#*" "} - if [ "$CUTURL" != "Pi-Hole.IsWorking.OK" ]; then + if [ "${CUTURL}" != "Pi-Hole.IsWorking.OK" ]; then while read -r line2; do CUTURL2=${line2#*" "} - if [ "$CUTURL" != "$CUTURL2" ]; then - TESTURL="$CUTURL" + if [ "${CUTURL}" != "${CUTURL2}" ]; then + TESTURL="${CUTURL}" break 2 fi - done < "$WHITELISTMATCHES" + done < "${WHITELISTMATCHES}" fi - done < "$GRAVITYFILE" + done < "${GRAVITYFILE}" fi - echo "Resolution of $TESTURL from Pi-hole:" >> ${DEBUG_LOG} - LOCALDIG=$(dig "$TESTURL" @127.0.0.1) - if [[ $? = 0 ]] - then - echo "$LOCALDIG" >> ${DEBUG_LOG} + echo "Resolution of ${TESTURL} from Pi-hole:" >> ${DEBUG_LOG} + LOCALDIG=$(dig "${TESTURL}" @127.0.0.1) + if [[ $? = 0 ]]; then + echo "${LOCALDIG}" >> ${DEBUG_LOG} else - echo "Failed to resolve $TESTURL on Pi-hole" >> ${DEBUG_LOG} + echo "Failed to resolve ${TESTURL} on Pi-hole" >> ${DEBUG_LOG} fi echo >> ${DEBUG_LOG} - echo "Resolution of $TESTURL from 8.8.8.8:" >> ${DEBUG_LOG} - REMOTEDIG=$(dig "$TESTURL" @8.8.8.8) - if [[ $? = 0 ]] - then - echo "$REMOTEDIG" >> ${DEBUG_LOG} + echo "Resolution of ${TESTURL} from 8.8.8.8:" >> ${DEBUG_LOG} + REMOTEDIG=$(dig "${TESTURL}" @8.8.8.8) + if [[ $? = 0 ]]; then + echo "${REMOTEDIG}" >> ${DEBUG_LOG} else - echo "Failed to resolve $TESTURL on 8.8.8.8" >> ${DEBUG_LOG} + echo "Failed to resolve ${TESTURL} on 8.8.8.8" >> ${DEBUG_LOG} fi echo >> ${DEBUG_LOG} echo "Pi-hole dnsmasq specific records lookups" >> ${DEBUG_LOG} - echo "Cache Size:" >> ${DEBUG_LOG} - dig +short chaos txt cachesize.bind >> ${DEBUG_LOG} - echo "Insertions count:" >> ${DEBUG_LOG} - dig +short chaos txt insertions.bind >> ${DEBUG_LOG} - echo "Evictions count:" >> ${DEBUG_LOG} - dig +short chaos txt evictions.bind >> ${DEBUG_LOG} - echo "Misses count:" >> ${DEBUG_LOG} - dig +short chaos txt misses.bind >> ${DEBUG_LOG} - echo "Hits count:" >> ${DEBUG_LOG} - dig +short chaos txt hits.bind >> ${DEBUG_LOG} - echo "Auth count:" >> ${DEBUG_LOG} - dig +short chaos txt auth.bind >> ${DEBUG_LOG} - echo "Upstream Servers:" >> ${DEBUG_LOG} - dig +short chaos txt servers.bind >> ${DEBUG_LOG} - echo >> ${DEBUG_LOG} + echo "Cache Size:" >> ${DEBUG_LOG} + dig +short chaos txt cachesize.bind >> ${DEBUG_LOG} + echo "Insertions count:" >> ${DEBUG_LOG} + dig +short chaos txt insertions.bind >> ${DEBUG_LOG} + echo "Evictions count:" >> ${DEBUG_LOG} + dig +short chaos txt evictions.bind >> ${DEBUG_LOG} + echo "Misses count:" >> ${DEBUG_LOG} + dig +short chaos txt misses.bind >> ${DEBUG_LOG} + echo "Hits count:" >> ${DEBUG_LOG} + dig +short chaos txt hits.bind >> ${DEBUG_LOG} + echo "Auth count:" >> ${DEBUG_LOG} + dig +short chaos txt auth.bind >> ${DEBUG_LOG} + echo "Upstream Servers:" >> ${DEBUG_LOG} + dig +short chaos txt servers.bind >> ${DEBUG_LOG} + echo >> ${DEBUG_LOG} } checkProcesses() { @@ -271,12 +262,11 @@ checkProcesses() { echo ":::" echo "::: Logging status of lighttpd and dnsmasq..." PROCESSES=( lighttpd dnsmasq ) - for i in "${PROCESSES[@]}" - do + for i in "${PROCESSES[@]}"; do echo "" >> ${DEBUG_LOG} - echo -n "$i" >> "$DEBUG_LOG" + echo -n "${i}" >> "${DEBUG_LOG}" echo " processes status:" >> ${DEBUG_LOG} - ${SUDO} systemctl -l status "$i" >> "$DEBUG_LOG" + ${SUDO} systemctl -l status "${i}" >> "${DEBUG_LOG}" done echo >> ${DEBUG_LOG} } @@ -286,26 +276,24 @@ debugLighttpd() { echo "#######################################" >> ${DEBUG_LOG} echo "############ lighttpd.conf ############" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} - if [ -e "$LIGHTTPDFILE" ] - then + if [ -e "${LIGHTTPDFILE}" ]; then while read -r line; do - if [ ! -z "$line" ]; then - [[ "$line" =~ ^#.*$ ]] && continue - echo "$line" >> ${DEBUG_LOG} + if [ ! -z "${line}" ]; then + [[ "${line}" =~ ^#.*$ ]] && continue + echo "${line}" >> ${DEBUG_LOG} fi - done < "$LIGHTTPDFILE" + 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 + if [ -e "${LIGHTTPDERRFILE}" ]; then echo "#######################################" >> ${DEBUG_LOG} echo "######### lighttpd error.log ##########" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} - cat "$LIGHTTPDERRFILE" >> ${DEBUG_LOG} + cat "${LIGHTTPDERRFILE}" >> ${DEBUG_LOG} else echo "No lighttpd error.log file found!" >> ${DEBUG_LOG} printf ":::\tNo lighttpd error.log file found\n" @@ -328,15 +316,14 @@ echo "::: Writing dnsmasq.conf to debug log..." echo "#######################################" >> ${DEBUG_LOG} echo "############### Dnsmasq ###############" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} -if [ -e "$DNSMASQFILE" ] -then +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" + 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} @@ -347,14 +334,13 @@ echo "::: Writing 01-pihole.conf to debug log..." echo "#######################################" >> ${DEBUG_LOG} echo "########### 01-pihole.conf ############" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} -if [ -e "$PIHOLECONFFILE" ] -then +if [ -e "${PIHOLECONFFILE}" ]; then while read -r line; do - if [ ! -z "$line" ]; then - [[ "$line" =~ ^#.*$ ]] && continue - echo "$line" >> ${DEBUG_LOG} - fi - done < "$PIHOLECONFFILE" + 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} @@ -365,9 +351,8 @@ 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" >> ${DEBUG_LOG} +if [ -e "${GRAVITYFILE}" ]; then + wc -l "${GRAVITYFILE}" >> ${DEBUG_LOG} echo >> ${DEBUG_LOG} else echo "No gravity.list file found!" >> ${DEBUG_LOG} @@ -380,9 +365,8 @@ echo "::: Writing whitelist to debug log..." echo "#######################################" >> ${DEBUG_LOG} echo "############## Whitelist ##############" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} -if [ -e "$WHITELISTFILE" ] -then - cat "$WHITELISTFILE" >> ${DEBUG_LOG} +if [ -e "${WHITELISTFILE}" ]; then + cat "${WHITELISTFILE}" >> ${DEBUG_LOG} echo >> ${DEBUG_LOG} else echo "No whitelist.txt file found!" >> ${DEBUG_LOG} @@ -393,9 +377,8 @@ echo "::: Writing blacklist to debug log..." echo "#######################################" >> ${DEBUG_LOG} echo "############## Blacklist ##############" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} -if [ -e "$BLACKLISTFILE" ] -then - cat "$BLACKLISTFILE" >> ${DEBUG_LOG} +if [ -e "${BLACKLISTFILE}" ]; then + cat "${BLACKLISTFILE}" >> ${DEBUG_LOG} echo >> ${DEBUG_LOG} else echo "No blacklist.txt file found!" >> ${DEBUG_LOG} @@ -406,14 +389,13 @@ echo "::: Writing adlists.list to debug log..." echo "#######################################" >> ${DEBUG_LOG} echo "############ adlists.list #############" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} -if [ -e "$ADLISTSFILE" ] -then - while read -r line; do - if [ ! -z "$line" ]; then - [[ "$line" =~ ^#.*$ ]] && continue - echo "$line" >> ${DEBUG_LOG} - fi - done < "$ADLISTSFILE" +if [ -e "${ADLISTSFILE}" ]; then + while read -r line; do + if [ ! -z "${line}" ]; then + [[ "${line}" =~ ^#.*$ ]] && continue + echo "${line}" >> ${DEBUG_LOG} + fi + done < "${ADLISTSFILE}" echo >> ${DEBUG_LOG} else echo "No adlists.list file found... using adlists.default!" >> ${DEBUG_LOG} @@ -428,10 +410,9 @@ dumpPiHoleLog() { echo "#######################################" >> ${DEBUG_LOG} echo "############# pihole.log ##############" >> ${DEBUG_LOG} echo "#######################################" >> ${DEBUG_LOG} - if [ -e "$PIHOLELOG" ] - then + if [ -e "${PIHOLELOG}" ]; then while true; do - tail -f "$PIHOLELOG" >> ${DEBUG_LOG} + tail -f "${PIHOLELOG}" >> ${DEBUG_LOG} echo >> ${DEBUG_LOG} done else @@ -442,25 +423,24 @@ dumpPiHoleLog() { # Anything to be done after capturing of pihole.log terminates finalWork() { - echo "::: Finshed debugging!" - echo "::: The debug log can be uploaded to Termbin.com for easier sharing." - read -r -p "::: Would you like to upload the log? [y/N] " response - case ${response} in - [yY][eE][sS]|[yY]) - TERMBIN=$(cat /var/log/pihole_debug.log | nc termbin.com 9999) - ;; - *) - echo "::: Log will NOT be uploaded to Termbin." - ;; - esac + echo "::: Finshed debugging!" + echo "::: The debug log can be uploaded to Termbin.com for easier sharing." + read -r -p "::: Would you like to upload the log? [y/N] " response + case ${response} in + [yY][eE][sS]|[yY]) + TERMBIN=$(cat /var/log/pihole_debug.log | nc termbin.com 9999) + ;; + *) + echo "::: Log will NOT be uploaded to Termbin." + ;; + esac - # 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 : $TERMBIN" - else - echo "::: Debug log can be found at : /var/log/pihole_debug.log" - fi + # Check if termbin.com is reachable. When it's not, point to local log instead + if [ -n "${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