From 01f17f9cbbcba0f4fb3f2f2089f4b325f6782cd4 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Tue, 25 Oct 2016 17:19:33 -0700
Subject: [PATCH 01/30] Reduce header verbosity. New header writer.

---
 advanced/Scripts/piholeDebug.sh | 120 +++++++++++++-------------------
 1 file changed, 48 insertions(+), 72 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index ea1e409b..8f8425df 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -50,31 +50,33 @@ log_write() {
 	echo "${1}" >> "${DEBUG_LOG}"
 }
 
-version_check() {
-	log_write "############################################################"
-	log_write "##########           Installed Versions           ##########"
-	log_write "############################################################"
+header_write() {
+  echo "" >> "${DEBUG_LOG}"
+  echo "::: ${1}" >> "${DEBUG_LOG}"
+  echo "" >> "${DEBUG_LOG}"
+}
+
+version_check() {
+  header_write "Installed Package Versions"
+	echo ":::     Detecting Pi-hole installed versions."
 
-	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."
+	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."
+	echo ":::     Writing PHP version to logfile."
 	php_ver="$(php -v |& head -n1)" && log_write "${php_ver}" || log_write "PHP not installed."
 }
 
 files_check() {
-	log_write "############################################################"
-	log_write "##########              Files Check               ##########"
-	log_write "############################################################"
+  header_write "Files Check"
 
     #Check existence of setupVars.conf, and source it to get configured network interface for later use in script.
-    echo -n "::: Detecting existence setupVars.conf..."
+    echo -n ":::     Detecting existence setupVars.conf..."
     setupVars=/etc/pihole/setupVars.conf
     if [[ -f ${setupVars} ]];then
         echo " found!"
@@ -93,30 +95,26 @@ files_check() {
             piholeInterface="%${piholeInterface}"
         fi
     else
-        echo " NOT FOUND!"
+        echo "     NOT FOUND!"
         log_write "/etc/pihole/setupVars.conf not found!"
     fi
 }
 
 distro_check() {
-	log_write "############################################################"
-	log_write "########          Installed OS Distribution        #########"
-	log_write "############################################################"
+  header_write "Installed OS Distribution"
 
-	echo "::: Checking installed OS Distribution release."
+	echo ":::     Checking installed OS Distribution release."
 	TMP=$(cat /etc/*release || echo "Failed to find release")
 
-	echo "::: Writing OS Distribution release to logfile."
+	echo ":::     Writing OS Distribution release to logfile."
 	log_write "${TMP}"
 	log_write ""
 }
 
 ip_check() {
-	log_write "############################################################"
-	log_write "########           IP Address Information          #########"
-	log_write "############################################################"
+	header_write "IP Address Information"
 
-	echo "::: Writing local IPs to logfile"
+	echo ":::     Writing local IPs to logfile"
 	IPADDR="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')"
 	log_write "${IPADDR}"
 
@@ -124,10 +122,10 @@ ip_check() {
 	&& log_write "${IP6ADDR}" || log_write "No IPv6 addresses found."
 	log_write ""
 
-	echo "::: Locating default gateway and checking connectivity"
+	echo ":::     Locating default gateway and checking connectivity"
 	GATEWAY=$(ip r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
-		echo "::: Pinging default IPv4 gateway..."
+		echo ":::     Pinging default IPv4 gateway..."
 		GATEWAY_CHECK=$(ping -q -w 3 -c 3 -n "${GATEWAY}" | tail -n3)
 		if [[ $? = 0 ]]; then
 			log_write "IPv4 Gateway check:"
@@ -137,7 +135,7 @@ ip_check() {
 		log_write "${GATEWAY_CHECK}"
 		log_write ""
 
-		echo "::: Pinging Internet via IPv4..."
+		echo ":::     Pinging Internet via IPv4..."
 		INET_CHECK=$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)
 		if [[ $? = 0 ]]; then
 			log_write "IPv4 Internet check:"
@@ -150,7 +148,7 @@ ip_check() {
 
 	GATEWAY6=$(ip -6 r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
-		echo "::: Pinging default IPv6 gateway..."
+		echo ":::     Pinging default IPv6 gateway..."
 		GATEWAY6_CHECK=$(ping6 -q -w 3 -c 3 -n "${GATEWAY6}""${piholeInterface}" | tail -n3)
 		if [[ $? = 0 ]]; then
 			log_write "IPv6 Gateway check:"
@@ -158,7 +156,7 @@ ip_check() {
 			log_write "IPv6 Gateway check failed:"
 		fi
 
-		echo "::: Pinging Internet via IPv6..."
+		echo ":::     Pinging Internet via IPv6..."
 		GATEWAY6_CHECK=$(ping6 -q -w 3 -c 3 -n 2001:4860:4860::8888"${piholeInterface}" | tail -n3)
 		if [[ $? = 0 ]]; then
 			log_write "IPv6 Internet check:"
@@ -176,15 +174,13 @@ ip_check() {
 }
 
 hostnameCheck() {
-	log_write "############################################################"
-	log_write "########            Hostname Information           #########"
-	log_write "############################################################"
+	header_write "Hostname Information"
 
-	echo "::: Writing locally configured hostnames to logfile"
+	echo ":::     Writing locally configured hostnames to logfile"
 	# Write the hostname output to compare against entries in /etc/hosts, which is logged next
 	log_write "This Pi-hole is: $(hostname)"
 
-	echo "::: Writing hosts file to debug log..."
+	echo ":::     Writing hosts file to debug log..."
 	log_write "###              Hosts              ###"
 
 	if [ -e "${HOSTSFILE}" ]; then
@@ -197,11 +193,9 @@ hostnameCheck() {
 }
 
 portCheck() {
-	log_write "############################################################"
-	log_write "########           Open Port Information           #########"
-	log_write "############################################################"
+	header_write "Open Port Information"
 
-	echo "::: Detecting local server port 80 and 53 processes."
+	echo ":::     Detecting local server port 80 and 53 processes."
 
 	lsof -i :80 >> ${DEBUG_LOG}
 	lsof -i :53 >> ${DEBUG_LOG}
@@ -209,10 +203,7 @@ portCheck() {
 }
 
 testResolver() {
-	log_write "############################################################"
-	log_write "############      Resolver Functions Check      ############"
-	log_write "############################################################"
-
+	header_write "Resolver Functions Check"
 
 	# Find a blocked url that has not been whitelisted.
 	TESTURL="doubleclick.com"
@@ -269,11 +260,9 @@ testResolver() {
 }
 
 checkProcesses() {
-	log_write "#######################################"
-	log_write "########### Processes Check ###########"
-	log_write "#######################################"
-	log_write ":::"
-	echo "::: Logging status of lighttpd and dnsmasq..."
+	header_write "Processes Check"
+
+	echo ":::     Logging status of lighttpd and dnsmasq..."
 	PROCESSES=( lighttpd dnsmasq )
 	for i in "${PROCESSES[@]}"; do
 		log_write ""
@@ -285,10 +274,8 @@ checkProcesses() {
 }
 
 debugLighttpd() {
-	log_write "::: Writing lighttpd to debug log..."
-	log_write "#######################################"
-	log_write "############ lighttpd.conf ############"
-	log_write "#######################################"
+	header_write "lighttpd.conf"
+
 	if [ -e "${LIGHTTPDFILE}" ]; then
 		while read -r line; do
 			if [ ! -z "${line}" ]; then
@@ -303,9 +290,10 @@ debugLighttpd() {
 	fi
 
 	if [ -e "${LIGHTTPDERRFILE}" ]; then
-		log_write "#######################################"
-		log_write "######### lighttpd error.log ##########"
-		log_write "#######################################"
+		log_write ""
+		log_write "::: lighttpd error.log"
+		log_write ""
+
 		cat "${LIGHTTPDERRFILE}" >> ${DEBUG_LOG}
 	else
 		log_write "No lighttpd error.log file found!"
@@ -327,9 +315,7 @@ testResolver
 debugLighttpd
 
 echo "::: Writing dnsmasq.conf to debug log..."
-log_write "#######################################"
-log_write "############### Dnsmasq ###############"
-log_write "#######################################"
+header_write "Dnsmasq configuration"
 if [ -e "${DNSMASQFILE}" ]; then
 	#cat $DNSMASQFILE >> $DEBUG_LOG
 	while read -r line; do
@@ -345,9 +331,8 @@ else
 fi
 
 echo "::: Writing 01-pihole.conf to debug log..."
-log_write "#######################################"
-log_write "########### 01-pihole.conf ############"
-log_write "#######################################"
+header_write "01-pihole.conf"
+
 if [ -e "${PIHOLECONFFILE}" ]; then
 	while read -r line; do
 		if [ ! -z "${line}" ]; then
@@ -362,9 +347,8 @@ else
 fi
 
 echo "::: Writing size of gravity.list to debug log..."
-log_write "#######################################"
-log_write "############ gravity.list #############"
-log_write "#######################################"
+header_write "gravity.list"
+
 if [ -e "${GRAVITYFILE}" ]; then
 	wc -l "${GRAVITYFILE}" >> ${DEBUG_LOG}
 	log_write ""
@@ -376,9 +360,7 @@ fi
 
 ### Pi-hole application specific logging ###
 echo "::: Writing whitelist to debug log..."
-log_write "#######################################"
-log_write "############## Whitelist ##############"
-log_write "#######################################"
+header_write "Whitelist"
 if [ -e "${WHITELISTFILE}" ]; then
 	cat "${WHITELISTFILE}" >> ${DEBUG_LOG}
 	log_write
@@ -388,9 +370,7 @@ else
 fi
 
 echo "::: Writing blacklist to debug log..."
-log_write "#######################################"
-log_write "############## Blacklist ##############"
-log_write "#######################################"
+header_write "Blacklist"
 if [ -e "${BLACKLISTFILE}" ]; then
 	cat "${BLACKLISTFILE}" >> ${DEBUG_LOG}
 	log_write
@@ -400,9 +380,7 @@ else
 fi
 
 echo "::: Writing adlists.list to debug log..."
-log_write "#######################################"
-log_write "############ adlists.list #############"
-log_write "#######################################"
+header_write "adlists.list"
 if [ -e "${ADLISTSFILE}" ]; then
 	while read -r line; do
 		if [ ! -z "${line}" ]; then
@@ -421,9 +399,7 @@ fi
 dumpPiHoleLog() {
 	trap '{ echo -e "\n::: Finishing debug write from interrupt... Quitting!" ; exit 1; }' INT
 	echo -e "::: Writing current Pi-hole traffic to debug log...\n:::\tTry loading any/all sites that you are having trouble with now... \n:::\t(Press ctrl+C to finish)"
-	log_write "#######################################"
-	log_write "############# pihole.log ##############"
-	log_write "#######################################"
+	header_write "pihole.log"
 	if [ -e "${PIHOLELOG}" ]; then
 		while true; do
 			tail -f "${PIHOLELOG}" >> ${DEBUG_LOG}

From fb70fd77e8d0e05ebe7836d32c9bed3edd7eb0e7 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Tue, 25 Oct 2016 17:50:14 -0700
Subject: [PATCH 02/30] Prototype version_check, add helper functions for
 logging and echo.

---
 advanced/Scripts/piholeDebug.sh | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 8f8425df..c62aa1eb 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -56,20 +56,24 @@ header_write() {
   echo "" >> "${DEBUG_LOG}"
 }
 
+log_echo() {
+  echo ":::       ${1}"
+  log_write "${1}"
+}
+
 version_check() {
   header_write "Installed Package Versions"
 	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."
+	&& log_echo "Pi-hole: $pi_hole_ver" || log_echo "Pi-hole git repository not detected."
 	admin_ver="$(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 "${light_ver}" || log_write "lighttpd not installed."
-
-	echo ":::     Writing PHP version to logfile."
-	php_ver="$(php -v |& head -n1)" && log_write "${php_ver}" || log_write "PHP not installed."
+	&& log_echo "WebUI: $admin_ver" || log_echo "Pi-hole Admin Pages git repository not detected."
+	light_ver="$(lighttpd -v |& head -n1 | cut -d " " -f1)" \
+	&& log_echo "${light_ver}" || log_echo "lighttpd not installed."
+	php_ver="$(php -v |& head -n1)" \
+	&& log_echo "${php_ver}" || log_echo "PHP not installed."
+	echo ":::"
 }
 
 files_check() {

From b0874fb23afba0a754c6c5bcc4bdaa8083a99bb9 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Tue, 25 Oct 2016 19:53:00 -0700
Subject: [PATCH 03/30] Temporarily get rid of gateway sourcing from setupVars,
 temporarily.

---
 advanced/Scripts/piholeDebug.sh | 54 ++++++++++++++++-----------------
 1 file changed, 26 insertions(+), 28 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index c62aa1eb..ef031108 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -65,43 +65,41 @@ version_check() {
   header_write "Installed Package Versions"
 	echo ":::     Detecting Pi-hole installed versions."
 
-	pi_hole_ver="$(cd /etc/.pihole/ && git describe --tags --abbrev=0)" \
+	local pi_hole_ver="$(cd /etc/.pihole/ && git describe --tags --abbrev=0)" \
 	&& log_echo "Pi-hole: $pi_hole_ver" || log_echo "Pi-hole git repository not detected."
-	admin_ver="$(cd /var/www/html/admin && git describe --tags --abbrev=0)" \
+	local admin_ver="$(cd /var/www/html/admin && git describe --tags --abbrev=0)" \
 	&& log_echo "WebUI: $admin_ver" || log_echo "Pi-hole Admin Pages git repository not detected."
-	light_ver="$(lighttpd -v |& head -n1 | cut -d " " -f1)" \
+	local light_ver="$(lighttpd -v |& head -n1 | cut -d " " -f1)" \
 	&& log_echo "${light_ver}" || log_echo "lighttpd not installed."
-	php_ver="$(php -v |& head -n1)" \
+	local php_ver="$(php -v |& head -n1)" \
 	&& log_echo "${php_ver}" || log_echo "PHP not installed."
 	echo ":::"
 }
 
-files_check() {
-  header_write "Files Check"
+source_variable() {
+  # Source file passed in as ${1} and add variable at ${2} to environment
+  source ${1}
+  echo $piholeInterface
+}
 
-    #Check existence of setupVars.conf, and source it to get configured network interface for later use in script.
-    echo -n ":::     Detecting existence setupVars.conf..."
-    setupVars=/etc/pihole/setupVars.conf
-    if [[ -f ${setupVars} ]];then
-        echo " found!"
-        log_write "/etc/pihole/setupVars.conf exists! Contents:"
-        while read -r line; do
-			if [ ! -z "${line}" ]; then
-				[[ "${line}" =~ ^#.*$ ]] && continue
+files_check() {
+  header_write "File Check"
+
+  #Check non-zero length existence of ${1}
+  echo ":::     Detecting existence of ${1}..."
+  local searchFile=/etc/pihole/"${1}"
+  if [[ -s ${searchFile} ]]; then
+    log_echo "/etc/pihole/${1} exists!"
+    while read -r line; do
+		  if [ ! -z "${line}" ]; then
+			  [[ "${line}" =~ ^#.*$ ]] && continue
 				log_write "${line}"
 			fi
-		done < "${setupVars}"
-		log_write ""
-
-        . "${setupVars}"
-        if [[ -n "${piholeInterface}" ]]; then
-            # prepend % to the beginning of piholeInterface for later use
-            piholeInterface="%${piholeInterface}"
-        fi
-    else
-        echo "     NOT FOUND!"
-        log_write "/etc/pihole/setupVars.conf not found!"
-    fi
+		done < "${searchFile}"
+	else
+    log_echo "/etc/pihole/${1} not found!"
+  fi
+  echo ":::"
 }
 
 distro_check() {
@@ -309,7 +307,7 @@ debugLighttpd() {
 ### END FUNCTIONS ###
 
 version_check
-files_check
+files_check "setupVars.conf"
 distro_check
 ip_check
 hostnameCheck

From 2fa47aaf31607cb5c0364dcda298fedeb9c940fc Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Tue, 25 Oct 2016 20:53:18 -0700
Subject: [PATCH 04/30]  Source routing is deprecated by RFC5095

---
 advanced/Scripts/piholeDebug.sh | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index ef031108..1c060a92 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -115,27 +115,23 @@ distro_check() {
 
 ip_check() {
 	header_write "IP Address Information"
+	echo $piholeInterface
 
-	echo ":::     Writing local IPs to logfile"
-	IPADDR="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')"
-	log_write "${IPADDR}"
+	echo ":::     Collecting local IP info."
+	local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
+	&& (log_write "${IPv4_addr_list}" && echo ":::       IPv4 addresses located") || log_echo "No IPv4 addresses found."
+
+	local IPv6_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
+	&& (log_write "${IPv6_addr_list}" && echo ":::       IPv6 addresses located") || log_echo "No IPv6 addresses found."
 
-	IP6ADDR="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
-	&& log_write "${IP6ADDR}" || log_write "No IPv6 addresses found."
-	log_write ""
 
 	echo ":::     Locating default gateway and checking connectivity"
-	GATEWAY=$(ip r | grep default | cut -d ' ' -f 3)
+	local IPv4_def_gateway=$(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 [[ $? = 0 ]]; then
-			log_write "IPv4 Gateway check:"
-		else
-			log_write "IPv4 Gateway check failed:"
-		fi
-		log_write "${GATEWAY_CHECK}"
-		log_write ""
+		local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}" | tail -n3)" \
+		&& echo ":::       IPv4 Default Gateway Responded." || echo ":::       IPv4 Default Gateway did not respond."
+		log_write "${IPv4_def_gateway_check}"
 
 		echo ":::     Pinging Internet via IPv4..."
 		INET_CHECK=$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)
@@ -151,7 +147,7 @@ ip_check() {
 	GATEWAY6=$(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 "${GATEWAY6}""${piholeInterface}" | tail -n3)
+		GATEWAY6_CHECK=$(ping6 -q -W 3 -c 3 -n "${GATEWAY6}" )
 		if [[ $? = 0 ]]; then
 			log_write "IPv6 Gateway check:"
 		else
@@ -159,7 +155,7 @@ ip_check() {
 		fi
 
 		echo ":::     Pinging Internet via IPv6..."
-		GATEWAY6_CHECK=$(ping6 -q -w 3 -c 3 -n 2001:4860:4860::8888"${piholeInterface}" | tail -n3)
+		GATEWAY6_CHECK=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 | tail -n3)
 		if [[ $? = 0 ]]; then
 			log_write "IPv6 Internet check:"
 		else
@@ -167,7 +163,7 @@ ip_check() {
 		fi
 
 	else
-		GATEWAY_CHECK="No IPv6 Gateway Detected"
+		GATEWAY6_CHECK="No IPv6 Gateway Detected"
 	fi
 	log_write "${GATEWAY_CHECK}"
 

From f549618d127f3b2313c04581b9b730001c2d69ac Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Tue, 25 Oct 2016 21:25:57 -0700
Subject: [PATCH 05/30] Move environment IPv6 interface check to `ip_check` and
 fix IPv6 source routing issue.

---
 advanced/Scripts/piholeDebug.sh | 31 +++++++++++++------------------
 1 file changed, 13 insertions(+), 18 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 1c060a92..c09dfed9 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -115,7 +115,10 @@ distro_check() {
 
 ip_check() {
 	header_write "IP Address Information"
-	echo $piholeInterface
+	# Get the current interface for Internet traffic
+	local IPv6_temp_interface=$(ip -6 r | grep default | cut -d ' ' -f 5)
+	# If declared in setupVars.conf use it, otherwise defer to default
+	local IPv6_interface=${piholeInterface:-$IPv6_temp_interface}
 
 	echo ":::     Collecting local IP info."
 	local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
@@ -134,28 +137,20 @@ ip_check() {
 		log_write "${IPv4_def_gateway_check}"
 
 		echo ":::     Pinging Internet via IPv4..."
-		INET_CHECK=$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)
-		if [[ $? = 0 ]]; then
-			log_write "IPv4 Internet check:"
-		else
-			log_write "IPv4 Internet check failed:"
-		fi
-		log_write "${INET_CHECK}"
-		log_write ""
+		local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)" \
+		&& echo ":::       IPv4 Internet query responded." || echo ":::       IPv4 Internet query did not respond."
+		log_write "${IPv4_inet_check}"
 	fi
 
-	GATEWAY6=$(ip -6 r | grep default | cut -d ' ' -f 3)
+	local IPv6_def_gateway=$(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}" )
-		if [[ $? = 0 ]]; then
-			log_write "IPv6 Gateway check:"
-		else
-			log_write "IPv6 Gateway check failed:"
-		fi
+		local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
+		&& echo ":::       IPv6 Default Gateway Responded." || echo ":::       IPv6 Default Gateway did not respond."
+    log_write "${IPv6_def_gateway_check}"
 
 		echo ":::     Pinging Internet via IPv6..."
-		GATEWAY6_CHECK=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 | tail -n3)
+		GATEWAY6_CHECK=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3)
 		if [[ $? = 0 ]]; then
 			log_write "IPv6 Internet check:"
 		else
@@ -165,7 +160,7 @@ ip_check() {
 	else
 		GATEWAY6_CHECK="No IPv6 Gateway Detected"
 	fi
-	log_write "${GATEWAY_CHECK}"
+	log_write "${GATEWAY6_CHECK}"
 
 
 	log_write ""

From 8fa897aadb57f6a4a499b86c28e10181ab21338e Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Tue, 25 Oct 2016 21:39:28 -0700
Subject: [PATCH 06/30] Add back in sourcing files (setupVars.conf) and tweak
 `ip_check`

---
 advanced/Scripts/piholeDebug.sh | 29 +++++++++--------------------
 1 file changed, 9 insertions(+), 20 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index c09dfed9..e71c34a8 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -76,26 +76,21 @@ version_check() {
 	echo ":::"
 }
 
-source_variable() {
-  # Source file passed in as ${1} and add variable at ${2} to environment
-  source ${1}
-  echo $piholeInterface
-}
-
 files_check() {
   header_write "File Check"
 
   #Check non-zero length existence of ${1}
   echo ":::     Detecting existence of ${1}..."
-  local searchFile=/etc/pihole/"${1}"
-  if [[ -s ${searchFile} ]]; then
+  local search_file=/etc/pihole/"${1}"
+  if [[ -s ${search_file} ]]; then
     log_echo "/etc/pihole/${1} exists!"
+    source "${search_file}" &> /dev/null && log_echo "Successfully sourced ${search_file}" || log_echo "Could not source ${search_file}"
     while read -r line; do
 		  if [ ! -z "${line}" ]; then
 			  [[ "${line}" =~ ^#.*$ ]] && continue
 				log_write "${line}"
 			fi
-		done < "${searchFile}"
+		done < "${search_file}"
 	else
     log_echo "/etc/pihole/${1} not found!"
   fi
@@ -150,20 +145,14 @@ ip_check() {
     log_write "${IPv6_def_gateway_check}"
 
 		echo ":::     Pinging Internet via IPv6..."
-		GATEWAY6_CHECK=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3)
-		if [[ $? = 0 ]]; then
-			log_write "IPv6 Internet check:"
-		else
-			log_write "IPv6 Internet check failed:"
-		fi
-
+		local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
+		&& echo ":::       IPv6 Internet query responded." || echo ":::       IPv6 Internet query did not respond."
 	else
-		GATEWAY6_CHECK="No IPv6 Gateway Detected"
+		IPv6_inet_check="No IPv6 Gateway Detected"
 	fi
-	log_write "${GATEWAY6_CHECK}"
-
-
+	log_write "${IPv6_inet_check}"
 	log_write ""
+	echo ":::"
 }
 
 hostnameCheck() {

From 4269626f5d426406f4ed98cb74322870b77aaef9 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Tue, 25 Oct 2016 21:53:41 -0700
Subject: [PATCH 07/30] Attribute source for bashism.

---
 advanced/Scripts/piholeDebug.sh | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index e71c34a8..e87703de 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -101,11 +101,8 @@ distro_check() {
   header_write "Installed OS Distribution"
 
 	echo ":::     Checking installed OS Distribution release."
-	TMP=$(cat /etc/*release || echo "Failed to find release")
-
-	echo ":::     Writing OS Distribution release to logfile."
-	log_write "${TMP}"
-	log_write ""
+	local distro="$(cat /etc/*release)" && log_write "${distro}" || log_write "Distribution details not found."
+	echo ":::"
 }
 
 ip_check() {
@@ -113,6 +110,7 @@ ip_check() {
 	# Get the current interface for Internet traffic
 	local IPv6_temp_interface=$(ip -6 r | grep default | cut -d ' ' -f 5)
 	# If declared in setupVars.conf use it, otherwise defer to default
+	# http://stackoverflow.com/questions/2013547/assigning-default-values-to-shell-variables-with-a-single-command-in-bash
 	local IPv6_interface=${piholeInterface:-$IPv6_temp_interface}
 
 	echo ":::     Collecting local IP info."

From 98db002770fd2862c484a8c98103f71c8262a4c9 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Wed, 26 Oct 2016 11:38:19 -0700
Subject: [PATCH 08/30] Tighten IP test reponse to user.

---
 advanced/Scripts/piholeDebug.sh | 37 +++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 16 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index e87703de..8636ef52 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -124,27 +124,27 @@ ip_check() {
 	echo ":::     Locating default gateway and checking connectivity"
 	local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
-		echo ":::     Pinging default IPv4 gateway..."
+		echo -n ":::     Pinging default IPv4 gateway: "
 		local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}" | tail -n3)" \
-		&& echo ":::       IPv4 Default Gateway Responded." || echo ":::       IPv4 Default Gateway did not respond."
+		&& echo "Gateway responded." || echo "Gateway did not respond."
 		log_write "${IPv4_def_gateway_check}"
 
-		echo ":::     Pinging Internet via IPv4..."
+		echo -n ":::     Pinging Internet via IPv4: "
 		local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)" \
-		&& echo ":::       IPv4 Internet query responded." || echo ":::       IPv4 Internet query did not respond."
+		&& echo "Query responded." || echo "Query did not respond."
 		log_write "${IPv4_inet_check}"
 	fi
 
 	local IPv6_def_gateway=$(ip -6 r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
-		echo ":::     Pinging default IPv6 gateway..."
+		echo -n ":::     Pinging default IPv6 gateway: "
 		local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
-		&& echo ":::       IPv6 Default Gateway Responded." || echo ":::       IPv6 Default Gateway did not respond."
+		&& echo "Gateway Responded." || echo "Gateway did not respond."
     log_write "${IPv6_def_gateway_check}"
 
-		echo ":::     Pinging Internet via IPv6..."
+		echo -n ":::     Pinging Internet via IPv6: "
 		local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
-		&& echo ":::       IPv6 Internet query responded." || echo ":::       IPv6 Internet query did not respond."
+		&& echo "Query responded." || echo "Query did not respond."
 	else
 		IPv6_inet_check="No IPv6 Gateway Detected"
 	fi
@@ -172,14 +172,18 @@ hostnameCheck() {
 	fi
 }
 
-portCheck() {
-	header_write "Open Port Information"
+daemon_check() {
+  # Check for daemon ${1} on port ${2}
+	header_write "Daemon Port Listening Information"
 
-	echo ":::     Detecting local server port 80 and 53 processes."
-
-	lsof -i :80 >> ${DEBUG_LOG}
-	lsof -i :53 >> ${DEBUG_LOG}
-	log_write ""
+	echo ":::     Checking port ${2} for ${1} listener."
+  local found_daemon=false
+	local ret_Val=$(lsof -i :${2} -FcL) \
+	&& (echo ":::       Port ${2} is in use." && found_daemon=true) \
+	|| (echo ":::       Port ${2} is not in use.")
+	if [[ found_daemon ]]; then
+		log_echo "Temporary holding place for evaluation code ${ret_Val}"
+	fi
 }
 
 testResolver() {
@@ -289,7 +293,8 @@ files_check "setupVars.conf"
 distro_check
 ip_check
 hostnameCheck
-portCheck
+daemon_check lighttpd http
+daemon_check dnsmasq domain
 checkProcesses
 testResolver
 debugLighttpd

From fc360abe43fae7ecf868bb904cc51ca353b79ce9 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Wed, 26 Oct 2016 12:22:20 -0700
Subject: [PATCH 09/30] Only check IPv6 if system is enabled.

---
 advanced/Scripts/piholeDebug.sh | 59 +++++++++++++++++++++------------
 1 file changed, 38 insertions(+), 21 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 8636ef52..2e457e31 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -26,6 +26,9 @@ ADLISTSFILE="/etc/pihole/adlists.list"
 PIHOLELOG="/var/log/pihole.log"
 WHITELISTMATCHES="/tmp/whitelistmatches.list"
 
+# Default to no IPv6, will check and enable if needed.
+IPV6=ENABLED=false
+
 # Header info and introduction
 cat << EOM
 ::: Beginning Pi-hole debug at $(date)!
@@ -105,22 +108,30 @@ distro_check() {
 	echo ":::"
 }
 
+ipv6_check() {
+  # Check if system is IPv6 enabled, for use in other functions
+  if [[ -a /proc/net/if_inet6 ]]; then
+    IPV6_ENABLED=true
+    return 0
+  else
+    return 1
+  fi
+}
+
 ip_check() {
 	header_write "IP Address Information"
 	# Get the current interface for Internet traffic
-	local IPv6_temp_interface=$(ip -6 r | grep default | cut -d ' ' -f 5)
+
+	# Check if IPv6 enabled
+	local IPv6_interface
+	ipv6_check &&	IPv6_interface=${piholeInterface:-$(ip -6 r | grep default | cut -d ' ' -f 5)}
 	# If declared in setupVars.conf use it, otherwise defer to default
 	# http://stackoverflow.com/questions/2013547/assigning-default-values-to-shell-variables-with-a-single-command-in-bash
-	local IPv6_interface=${piholeInterface:-$IPv6_temp_interface}
 
 	echo ":::     Collecting local IP info."
 	local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
 	&& (log_write "${IPv4_addr_list}" && echo ":::       IPv4 addresses located") || log_echo "No IPv4 addresses found."
 
-	local IPv6_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
-	&& (log_write "${IPv6_addr_list}" && echo ":::       IPv6 addresses located") || log_echo "No IPv6 addresses found."
-
-
 	echo ":::     Locating default gateway and checking connectivity"
 	local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
@@ -135,22 +146,28 @@ ip_check() {
 		log_write "${IPv4_inet_check}"
 	fi
 
-	local IPv6_def_gateway=$(ip -6 r | grep default | cut -d ' ' -f 3)
-	if [[ $? = 0 ]]; then
-		echo -n ":::     Pinging default IPv6 gateway: "
-		local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
-		&& echo "Gateway Responded." || echo "Gateway did not respond."
-    log_write "${IPv6_def_gateway_check}"
+  if [[ IPV6_ENABLED ]]; then
+    local IPv6_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
+	  && (log_write "${IPv6_addr_list}" && echo ":::       IPv6 addresses located") \
+	  || log_echo "No IPv6 addresses found."
 
-		echo -n ":::     Pinging Internet via IPv6: "
-		local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
-		&& echo "Query responded." || echo "Query did not respond."
-	else
-		IPv6_inet_check="No IPv6 Gateway Detected"
-	fi
-	log_write "${IPv6_inet_check}"
-	log_write ""
-	echo ":::"
+    local IPv6_def_gateway=$(ip -6 r | grep default | cut -d ' ' -f 3)
+    if [[ $? = 0 ]]; then
+      echo -n ":::     Pinging default IPv6 gateway: "
+      local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
+      && echo "Gateway Responded." || echo "Gateway did not respond."
+      log_write "${IPv6_def_gateway_check}"
+
+      echo -n ":::     Pinging Internet via IPv6: "
+      local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
+      && echo "Query responded." || echo "Query did not respond."
+    else
+      IPv6_inet_check="No IPv6 Gateway Detected"
+    fi
+    log_write "${IPv6_inet_check}"
+    log_write ""
+    echo ":::"
+  fi
 }
 
 hostnameCheck() {

From f73734acb06a4d82db8b38c8f156e13abfce37bc Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Wed, 26 Oct 2016 13:57:57 -0700
Subject: [PATCH 10/30] Only check IPv6 Gateway if it exists.

---
 advanced/Scripts/piholeDebug.sh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 2e457e31..39431371 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -152,7 +152,7 @@ ip_check() {
 	  || log_echo "No IPv6 addresses found."
 
     local IPv6_def_gateway=$(ip -6 r | grep default | cut -d ' ' -f 3)
-    if [[ $? = 0 ]]; then
+    if [[ $? = 0 ]] && [[ -n ${IPv6_def_gateway} ]]; then
       echo -n ":::     Pinging default IPv6 gateway: "
       local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
       && echo "Gateway Responded." || echo "Gateway did not respond."
@@ -164,8 +164,7 @@ ip_check() {
     else
       IPv6_inet_check="No IPv6 Gateway Detected"
     fi
-    log_write "${IPv6_inet_check}"
-    log_write ""
+    log_echo "${IPv6_inet_check}"
     echo ":::"
   fi
 }

From 60741298b7332931c9d6a8f2d5c3573718223703 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Wed, 26 Oct 2016 14:33:47 -0700
Subject: [PATCH 11/30] Cut more verbosity. Prep for `lsof` parsing and daemon
 tests.

---
 advanced/Scripts/piholeDebug.sh | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 39431371..3071df07 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -132,7 +132,6 @@ ip_check() {
 	local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
 	&& (log_write "${IPv4_addr_list}" && echo ":::       IPv4 addresses located") || log_echo "No IPv4 addresses found."
 
-	echo ":::     Locating default gateway and checking connectivity"
 	local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
 		echo -n ":::     Pinging default IPv4 gateway: "
@@ -161,10 +160,10 @@ ip_check() {
       echo -n ":::     Pinging Internet via IPv6: "
       local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
       && echo "Query responded." || echo "Query did not respond."
+      log_write "${IPv6_inet_check}"
     else
-      IPv6_inet_check="No IPv6 Gateway Detected"
+      log_echo="No IPv6 Gateway Detected"
     fi
-    log_echo "${IPv6_inet_check}"
     echo ":::"
   fi
 }
@@ -188,18 +187,29 @@ hostnameCheck() {
 	fi
 }
 
+lsof_parse() {
+  # Dummy function for now
+  echo "Dummy function lsof_parse got called"
+  log_echo ${1}
+}
+
 daemon_check() {
   # Check for daemon ${1} on port ${2}
 	header_write "Daemon Port Listening Information"
 
 	echo ":::     Checking port ${2} for ${1} listener."
   local found_daemon=false
-	local ret_Val=$(lsof -i :${2} -FcL) \
-	&& (echo ":::       Port ${2} is in use." && found_daemon=true) \
-	|| (echo ":::       Port ${2} is not in use.")
-	if [[ found_daemon ]]; then
-		log_echo "Temporary holding place for evaluation code ${ret_Val}"
+	local lsof_value
+
+	if [[ ${IPV6_ENABLED} ]]; then
+	  lsof_value=$(lsof -i 6:${2} -FcL) \
+	  && (echo ":::       Port ${2} is in use on IPv6." && found_daemon=true && echo "${lsof_value}") \
+	  || (echo ":::       Port ${2} is not in use.")
 	fi
+
+	lsof_value=$(lsof -i 4:${2} -FcL) \
+	  && (echo ":::       Port ${2} is in use on IPv4." && found_daemon=true && echo "${lsof_value}") \
+	  || (echo ":::       Port ${2} is not in use.")
 }
 
 testResolver() {

From f169da8fd086ff7f962c1e6ba6f7c7eb4243bb29 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Wed, 26 Oct 2016 14:48:11 -0700
Subject: [PATCH 12/30] Set for quiet temporarily.

---
 advanced/Scripts/piholeDebug.sh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 3071df07..a0385ceb 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -190,7 +190,6 @@ hostnameCheck() {
 lsof_parse() {
   # Dummy function for now
   echo "Dummy function lsof_parse got called"
-  log_echo ${1}
 }
 
 daemon_check() {
@@ -202,12 +201,12 @@ daemon_check() {
 	local lsof_value
 
 	if [[ ${IPV6_ENABLED} ]]; then
-	  lsof_value=$(lsof -i 6:${2} -FcL) \
+	  lsof_value=$(lsof -i 6:${2} -F0cL) \
 	  && (echo ":::       Port ${2} is in use on IPv6." && found_daemon=true && echo "${lsof_value}") \
 	  || (echo ":::       Port ${2} is not in use.")
 	fi
 
-	lsof_value=$(lsof -i 4:${2} -FcL) \
+	lsof_value=$(lsof -i 4:${2} -F0cL) \
 	  && (echo ":::       Port ${2} is in use on IPv4." && found_daemon=true && echo "${lsof_value}") \
 	  || (echo ":::       Port ${2} is not in use.")
 }

From 13e488dacef0fcec941208cc0aed4d4062cb757f Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Thu, 27 Oct 2016 00:30:51 -0700
Subject: [PATCH 13/30] Daemon check for lighttpd and dnsmasq.

---
 advanced/Scripts/piholeDebug.sh | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index a0385ceb..ed22afa9 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -188,10 +188,21 @@ hostnameCheck() {
 }
 
 lsof_parse() {
-  # Dummy function for now
-  echo "Dummy function lsof_parse got called"
+  local user
+  local process
+  local match
+
+  user=$(echo ${1} | cut -f 3 -d ' ' | cut -c 2-)
+  process=$(echo ${1} | cut -f 2 -d ' ' | cut -c 2-)
+  if [[ ${2} -eq ${process} ]]; then
+    match="as required."
+  else
+    match="incorrectly."
+  fi
+  log_echo "by ${user} for ${process} ${match}"
 }
 
+
 daemon_check() {
   # Check for daemon ${1} on port ${2}
 	header_write "Daemon Port Listening Information"
@@ -200,15 +211,19 @@ daemon_check() {
   local found_daemon=false
 	local lsof_value
 
+
 	if [[ ${IPV6_ENABLED} ]]; then
-	  lsof_value=$(lsof -i 6:${2} -F0cL) \
-	  && (echo ":::       Port ${2} is in use on IPv6." && found_daemon=true && echo "${lsof_value}") \
-	  || (echo ":::       Port ${2} is not in use.")
+	  lsof_value=$(lsof -i 6:${2} -FcL | tr '\n' ' ') \
+	  && (log_echo "Port ${2} is in use on IPv6" && (lsof_parse "${lsof_value}" "${1}" && found_daemon=true)) \
+	  || (log_echo "Port ${2} is not in use on IPv6.")
 	fi
 
-	lsof_value=$(lsof -i 4:${2} -F0cL) \
-	  && (echo ":::       Port ${2} is in use on IPv4." && found_daemon=true && echo "${lsof_value}") \
-	  || (echo ":::       Port ${2} is not in use.")
+	lsof_value=$(lsof -i 4:${2} -FcL | tr '\n' ' ') \
+	  && (log_echo "Port ${2} is in use on IPv4" && (lsof_parse "${lsof_value}" "${1}" && found_daemon=true)) \
+	  || (log_echo "Port ${2} is not in use on IPv4.")
+  if [[ "${found_daemon}" == false ]]; then
+    log_echo "Missing required daemon ${1}, please check configuration."
+  fi
 }
 
 testResolver() {

From 36285ead57278c0ffd71f0f0a424fa66101a43eb Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Thu, 27 Oct 2016 00:32:18 -0700
Subject: [PATCH 14/30] Just becuase this is bugging me, but I'll fix it later.

---
 advanced/Scripts/piholeDebug.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index ed22afa9..07557891 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -418,7 +418,7 @@ else
 	log_write "No adlists.list file found... using adlists.default!"
 	printf ":::\tNo adlists.list file found... using adlists.default!\n"
 fi
-
+echo
 
 # Continuously append the pihole.log file to the pihole_debug.log file
 dumpPiHoleLog() {

From f9570a82ccb93427783aa6060ebc2354b757f60c Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Thu, 27 Oct 2016 00:58:24 -0700
Subject: [PATCH 15/30] Remove glitchy daemon detection.

---
 advanced/Scripts/piholeDebug.sh | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 07557891..b9216191 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -211,19 +211,15 @@ daemon_check() {
   local found_daemon=false
 	local lsof_value
 
-
 	if [[ ${IPV6_ENABLED} ]]; then
 	  lsof_value=$(lsof -i 6:${2} -FcL | tr '\n' ' ') \
-	  && (log_echo "Port ${2} is in use on IPv6" && (lsof_parse "${lsof_value}" "${1}" && found_daemon=true)) \
+	  && (log_echo "Port ${2} is in use on IPv6" && lsof_parse "${lsof_value}" "${1}") \
 	  || (log_echo "Port ${2} is not in use on IPv6.")
 	fi
 
 	lsof_value=$(lsof -i 4:${2} -FcL | tr '\n' ' ') \
-	  && (log_echo "Port ${2} is in use on IPv4" && (lsof_parse "${lsof_value}" "${1}" && found_daemon=true)) \
+	  && (log_echo "Port ${2} is in use on IPv4" && lsof_parse "${lsof_value}" "${1}") \
 	  || (log_echo "Port ${2} is not in use on IPv4.")
-  if [[ "${found_daemon}" == false ]]; then
-    log_echo "Missing required daemon ${1}, please check configuration."
-  fi
 }
 
 testResolver() {

From 0debbffa703e73ad83387588da524bbe9e53ca74 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 03:45:07 -0700
Subject: [PATCH 16/30] Add a couple of parsing utility functions.

---
 advanced/Scripts/piholeDebug.sh | 70 ++++++++++++++++++++++-----------
 1 file changed, 47 insertions(+), 23 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index b9216191..b80c9584 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -50,7 +50,7 @@ fi
 
 ### Private functions exist here ###
 log_write() {
-	echo "${1}" >> "${DEBUG_LOG}"
+    echo "${1}" >> "${DEBUG_LOG}"
 }
 
 header_write() {
@@ -60,7 +60,31 @@ header_write() {
 }
 
 log_echo() {
-  echo ":::       ${1}"
+  case ${1} in
+    -n)
+      echo -n ":::       ${2}"
+      log_write ${2}
+      ;;
+    -l)
+      echo "${2}"
+      log_write "${2}"
+      ;;
+     *)
+      echo ":::       ${1}"
+      log_write "${1}"
+  esac
+}
+
+file_parse() {
+    while read -r line; do
+		  if [ ! -z "${line}" ]; then
+			  [[ "${line}" =~ ^#.*$ ]] && continue
+				log_write "${line}"
+			fi
+		done < "${1}"
+}
+
+block_parse() {
   log_write "${1}"
 }
 
@@ -84,18 +108,13 @@ files_check() {
 
   #Check non-zero length existence of ${1}
   echo ":::     Detecting existence of ${1}..."
-  local search_file=/etc/pihole/"${1}"
+  local search_file="${1}"
   if [[ -s ${search_file} ]]; then
-    log_echo "/etc/pihole/${1} exists!"
-    source "${search_file}" &> /dev/null && log_echo "Successfully sourced ${search_file}" || log_echo "Could not source ${search_file}"
-    while read -r line; do
-		  if [ ! -z "${line}" ]; then
-			  [[ "${line}" =~ ^#.*$ ]] && continue
-				log_write "${line}"
-			fi
-		done < "${search_file}"
+    log_echo -n "${1} exists"
+    source "${search_file}" &> /dev/null && log_echo -l " and successfully was sourced" || log_echo -l " and could not be sourced"
+    file_parse "${search_file}"
 	else
-    log_echo "/etc/pihole/${1} not found!"
+    log_echo "${1} not found!"
   fi
   echo ":::"
 }
@@ -104,7 +123,7 @@ distro_check() {
   header_write "Installed OS Distribution"
 
 	echo ":::     Checking installed OS Distribution release."
-	local distro="$(cat /etc/*release)" && log_write "${distro}" || log_write "Distribution details not found."
+	local distro="$(cat /etc/*release)" && block_parse "${distro}" || log_echo "Distribution details not found."
 	echo ":::"
 }
 
@@ -130,19 +149,22 @@ ip_check() {
 
 	echo ":::     Collecting local IP info."
 	local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
-	&& (log_write "${IPv4_addr_list}" && echo ":::       IPv4 addresses located") || log_echo "No IPv4 addresses found."
+	&& (block_parse "${IPv4_addr_list}" && echo ":::       IPv4 addresses located")\
+	|| log_echo "No IPv4 addresses found."
 
 	local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
 		echo -n ":::     Pinging default IPv4 gateway: "
 		local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}" | tail -n3)" \
-		&& echo "Gateway responded." || echo "Gateway did not respond."
-		log_write "${IPv4_def_gateway_check}"
+		&& echo "Gateway responded." \
+		|| echo "Gateway did not respond."
+		block_parse "${IPv4_def_gateway_check}"
 
 		echo -n ":::     Pinging Internet via IPv4: "
 		local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)" \
-		&& echo "Query responded." || echo "Query did not respond."
-		log_write "${IPv4_inet_check}"
+		&& echo "Query responded." \
+		|| echo "Query did not respond."
+		block_parse "${IPv4_inet_check}"
 	fi
 
   if [[ IPV6_ENABLED ]]; then
@@ -154,13 +176,15 @@ ip_check() {
     if [[ $? = 0 ]] && [[ -n ${IPv6_def_gateway} ]]; then
       echo -n ":::     Pinging default IPv6 gateway: "
       local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
-      && echo "Gateway Responded." || echo "Gateway did not respond."
-      log_write "${IPv6_def_gateway_check}"
+      && echo "Gateway Responded." \
+      || echo "Gateway did not respond."
+      block_parse "${IPv6_def_gateway_check}"
 
       echo -n ":::     Pinging Internet via IPv6: "
       local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
-      && echo "Query responded." || echo "Query did not respond."
-      log_write "${IPv6_inet_check}"
+      && echo "Query responded." \
+      || echo "Query did not respond."
+      block_parse "${IPv6_inet_check}"
     else
       log_echo="No IPv6 Gateway Detected"
     fi
@@ -325,7 +349,7 @@ debugLighttpd() {
 ### END FUNCTIONS ###
 
 version_check
-files_check "setupVars.conf"
+files_check "/etc/pihole/setupVars.conf"
 distro_check
 ip_check
 hostnameCheck

From e3c7a1f31f5d16fdb8543d3f523f021268fb630b Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 03:49:03 -0700
Subject: [PATCH 17/30] Top half user output updated.

---
 advanced/Scripts/piholeDebug.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index b80c9584..22a2a51a 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -223,7 +223,7 @@ lsof_parse() {
   else
     match="incorrectly."
   fi
-  log_echo "by ${user} for ${process} ${match}"
+  log_echo -l "by ${user} for ${process} ${match}"
 }
 
 
@@ -237,12 +237,12 @@ daemon_check() {
 
 	if [[ ${IPV6_ENABLED} ]]; then
 	  lsof_value=$(lsof -i 6:${2} -FcL | tr '\n' ' ') \
-	  && (log_echo "Port ${2} is in use on IPv6" && lsof_parse "${lsof_value}" "${1}") \
+	  && (log_echo -n "IPv6 Port ${2} is in use " && lsof_parse "${lsof_value}" "${1}") \
 	  || (log_echo "Port ${2} is not in use on IPv6.")
 	fi
 
 	lsof_value=$(lsof -i 4:${2} -FcL | tr '\n' ' ') \
-	  && (log_echo "Port ${2} is in use on IPv4" && lsof_parse "${lsof_value}" "${1}") \
+	  && (log_echo -n "IPv4 Port ${2} is in use " && lsof_parse "${lsof_value}" "${1}") \
 	  || (log_echo "Port ${2} is not in use on IPv4.")
 }
 

From 42bff1ce1bda887b9cc49752667a0caee8390ce2 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 03:53:53 -0700
Subject: [PATCH 18/30] Move parse utility to be near other parsing functions.

---
 advanced/Scripts/piholeDebug.sh | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 22a2a51a..385ca230 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -88,6 +88,20 @@ block_parse() {
   log_write "${1}"
 }
 
+lsof_parse() {
+  local user
+  local process
+  local match
+
+  user=$(echo ${1} | cut -f 3 -d ' ' | cut -c 2-)
+  process=$(echo ${1} | cut -f 2 -d ' ' | cut -c 2-)
+  if [[ ${2} -eq ${process} ]]; then
+    match="as required."
+  else
+    match="incorrectly."
+  fi
+  log_echo -l "by ${user} for ${process} ${match}"
+}
 version_check() {
   header_write "Installed Package Versions"
 	echo ":::     Detecting Pi-hole installed versions."
@@ -209,21 +223,7 @@ hostnameCheck() {
 		log_write "No hosts file found!"
 		printf ":::\tNo hosts file found!\n"
 	fi
-}
-
-lsof_parse() {
-  local user
-  local process
-  local match
-
-  user=$(echo ${1} | cut -f 3 -d ' ' | cut -c 2-)
-  process=$(echo ${1} | cut -f 2 -d ' ' | cut -c 2-)
-  if [[ ${2} -eq ${process} ]]; then
-    match="as required."
-  else
-    match="incorrectly."
-  fi
-  log_echo -l "by ${user} for ${process} ${match}"
+	echo ":::"
 }
 
 

From 90ec0a610e66734d57af0614fe0550dd10df9d00 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 04:42:45 -0700
Subject: [PATCH 19/30] Tricorder is introduced.

---
 advanced/Scripts/piholeDebug.sh | 48 ++++++++++++++++-----------------
 1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 385ca230..b9d18833 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -32,10 +32,15 @@ IPV6=ENABLED=false
 # Header info and introduction
 cat << EOM
 ::: Beginning Pi-hole debug at $(date)!
-::: This debugging process will collect information from your running configuration,
+:::
+::: This debugging process will collect information from your Pi-hole,
 ::: and optionally upload the generated log to a unique and random directory on
-::: Termbin.com. NOTE: All log files auto-delete after 1 month and you are the only
-::: person who is given the unique URL. Please consider where you post this link.
+::: tricorder.pi-hole.net. NOTE: All log files auto-delete after 24 hours and only
+::: the Pi-hole developers can access your data via the generated token. We have taken
+::: these extra steps to secure your data and we will work to further reduce any
+::: personal information gathered.
+:::
+::: Please read and note any issues, and follow any directions advised during this process.
 :::
 EOM
 
@@ -214,15 +219,14 @@ hostnameCheck() {
 	log_write "This Pi-hole is: $(hostname)"
 
 	echo ":::     Writing hosts file to debug log..."
-	log_write "###              Hosts              ###"
+	log_write ":::       Hosts File Contents"
 
-	if [ -e "${HOSTSFILE}" ]; then
-		cat "${HOSTSFILE}" >> ${DEBUG_LOG}
-		log_write ""
-	else
-		log_write "No hosts file found!"
-		printf ":::\tNo hosts file found!\n"
+	if [[ -e "${HOSTSFILE}" ]]; then
+		file_parse "${HOSTSFILE}"
+		else
+		log_echo "No hosts file found!"
 	fi
+
 	echo ":::"
 }
 
@@ -244,6 +248,8 @@ daemon_check() {
 	lsof_value=$(lsof -i 4:${2} -FcL | tr '\n' ' ') \
 	  && (log_echo -n "IPv4 Port ${2} is in use " && lsof_parse "${lsof_value}" "${1}") \
 	  || (log_echo "Port ${2} is not in use on IPv4.")
+
+	echo ":::"
 }
 
 testResolver() {
@@ -288,16 +294,10 @@ testResolver() {
 	log_write "Pi-hole dnsmasq specific records lookups"
 	log_write "Cache Size:"
 	dig +short chaos txt cachesize.bind >> ${DEBUG_LOG}
-	log_write "Insertions count:"
-	dig +short chaos txt insertions.bind >> ${DEBUG_LOG}
-	log_write "Evictions count:"
-	dig +short chaos txt evictions.bind >> ${DEBUG_LOG}
 	log_write "Misses count:"
 	dig +short chaos txt misses.bind >> ${DEBUG_LOG}
 	log_write "Hits count:"
 	dig +short chaos txt hits.bind >> ${DEBUG_LOG}
-	log_write "Auth count:"
-	dig +short chaos txt auth.bind >> ${DEBUG_LOG}
 	log_write "Upstream Servers:"
 	dig +short chaos txt servers.bind >> ${DEBUG_LOG}
 	log_write ""
@@ -458,24 +458,24 @@ dumpPiHoleLog() {
 
 # Anything to be done after capturing of pihole.log terminates
 finalWork() {
+  local tricorder
 	echo "::: Finshed debugging!"
-	echo "::: The debug log can be uploaded to Termbin.com for easier sharing."
+	echo "::: The debug log can be uploaded to tricorder.pi-hole.net for sharing with developers only."
 	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)
+			tricorder=$(cat /var/log/pihole_debug.log | nc tricorder.pi-hole.net 9999)
 			;;
 		*)
-			echo "::: Log will NOT be uploaded to Termbin."
+			echo "::: Log will NOT be uploaded to tricorder."
 			;;
 	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 : ${TERMBIN}"
-	else
-		echo "::: Debug log can be found at : /var/log/pihole_debug.log"
+	# Check if tricorder.pi-hole.net is reachable and provide token.
+	if [ -n "${tricorder}" ]; then
+		echo "::: Your debug token is : ${tricorder}"
 	fi
+		echo "::: Debug log can be found at : /var/log/pihole_debug.log"
 }
 
 trap finalWork EXIT

From 01f10b56e8e4cc9a42f01d7571f8084bc16d2983 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 06:51:30 -0700
Subject: [PATCH 20/30] Refactor out some more reudndant code.

---
 advanced/Scripts/piholeDebug.sh | 49 ++++++++++++---------------------
 1 file changed, 18 insertions(+), 31 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index b9d18833..fee8e87c 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -107,6 +107,8 @@ lsof_parse() {
   fi
   log_echo -l "by ${user} for ${process} ${match}"
 }
+
+
 version_check() {
   header_write "Installed Package Versions"
 	echo ":::     Detecting Pi-hole installed versions."
@@ -126,18 +128,25 @@ files_check() {
   header_write "File Check"
 
   #Check non-zero length existence of ${1}
-  echo ":::     Detecting existence of ${1}..."
+  log_echo -n "Detecting existence of ${1}:"
   local search_file="${1}"
   if [[ -s ${search_file} ]]; then
-    log_echo -n "${1} exists"
-    source "${search_file}" &> /dev/null && log_echo -l " and successfully was sourced" || log_echo -l " and could not be sourced"
-    file_parse "${search_file}"
+    log_echo -l " exists"
+     file_parse "${search_file}"
+     return 0
 	else
     log_echo "${1} not found!"
+    return 1
   fi
   echo ":::"
 }
 
+source_file() {
+  local file_found=$(files_check "${1}") \
+   && (source "${1}" &> /dev/null && log_echo -l "${file_found} and was successfully sourced") \
+   || log_echo -l "${file_found} and could not be sourced"
+}
+
 distro_check() {
   header_write "Installed OS Distribution"
 
@@ -318,38 +327,17 @@ checkProcesses() {
 }
 
 debugLighttpd() {
-	header_write "lighttpd.conf"
 
-	if [ -e "${LIGHTTPDFILE}" ]; then
-		while read -r line; do
-			if [ ! -z "${line}" ]; then
-				[[ "${line}" =~ ^#.*$ ]] && continue
-				log_write "${line}"
-			fi
-		done < "${LIGHTTPDFILE}"
-		log_write ""
-	else
-		log_write "No lighttpd.conf file found!"
-		printf ":::\tNo lighttpd.conf file found\n"
-	fi
-
-	if [ -e "${LIGHTTPDERRFILE}" ]; then
-		log_write ""
-		log_write "::: lighttpd error.log"
-		log_write ""
-
-		cat "${LIGHTTPDERRFILE}" >> ${DEBUG_LOG}
-	else
-		log_write "No lighttpd error.log file found!"
-		printf ":::\tNo lighttpd error.log file found\n"
-	fi
-	log_write ""
+  echo ":::     Checking for necessary lighttpd files."
+  files_check "${LIGHTTPDFILE}"
+  files_check "${LIGHTTPDERRFILE}"
+  echo ":::"
 }
 
 ### END FUNCTIONS ###
 
 version_check
-files_check "/etc/pihole/setupVars.conf"
+source_file "/etc/pihole/setupVars.conf"
 distro_check
 ip_check
 hostnameCheck
@@ -362,7 +350,6 @@ debugLighttpd
 echo "::: Writing dnsmasq.conf to debug log..."
 header_write "Dnsmasq configuration"
 if [ -e "${DNSMASQFILE}" ]; then
-	#cat $DNSMASQFILE >> $DEBUG_LOG
 	while read -r line; do
 		if [ ! -z "${line}" ]; then
 			[[ "${line}" =~ ^#.*$ ]] && continue

From c2cfc09f634c3d2a25028c2e07956a702c578927 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 07:06:05 -0700
Subject: [PATCH 21/30] Clean up more of the UX and log. Lots to go.

---
 advanced/Scripts/piholeDebug.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index fee8e87c..0d9317bd 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -68,7 +68,7 @@ log_echo() {
   case ${1} in
     -n)
       echo -n ":::       ${2}"
-      log_write ${2}
+      log_write "${2}"
       ;;
     -l)
       echo "${2}"
@@ -131,7 +131,7 @@ files_check() {
   log_echo -n "Detecting existence of ${1}:"
   local search_file="${1}"
   if [[ -s ${search_file} ]]; then
-    log_echo -l " exists"
+    echo " exists"
      file_parse "${search_file}"
      return 0
 	else

From 71e3a473d6043a25d91a465c177a0faa9a937e61 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 07:16:16 -0700
Subject: [PATCH 22/30] Fix = underbar

---
 advanced/Scripts/piholeDebug.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 0d9317bd..370049bb 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -27,7 +27,7 @@ PIHOLELOG="/var/log/pihole.log"
 WHITELISTMATCHES="/tmp/whitelistmatches.list"
 
 # Default to no IPv6, will check and enable if needed.
-IPV6=ENABLED=false
+IPV6_ENABLED=false
 
 # Header info and introduction
 cat << EOM

From d4a3a5c18000492d1511e9e1362dc382d9e73f14 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 10:42:30 -0700
Subject: [PATCH 23/30] Trying to implement The Brontide Idiom for design.

---
 advanced/Scripts/piholeDebug.sh | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 370049bb..71a3ce27 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -111,17 +111,22 @@ lsof_parse() {
 
 version_check() {
   header_write "Installed Package Versions"
+
+  local error_found
+  error_found=0
+
 	echo ":::     Detecting Pi-hole installed versions."
 
 	local pi_hole_ver="$(cd /etc/.pihole/ && git describe --tags --abbrev=0)" \
-	&& log_echo "Pi-hole: $pi_hole_ver" || log_echo "Pi-hole git repository not detected."
+	&& log_echo "Pi-hole: $pi_hole_ver" || (log_echo "Pi-hole git repository not detected." && error_found=1)
 	local admin_ver="$(cd /var/www/html/admin && git describe --tags --abbrev=0)" \
-	&& log_echo "WebUI: $admin_ver" || log_echo "Pi-hole Admin Pages git repository not detected."
+	&& log_echo "WebUI: $admin_ver" || (log_echo "Pi-hole Admin Pages git repository not detected." && error_found=1)
 	local light_ver="$(lighttpd -v |& head -n1 | cut -d " " -f1)" \
-	&& log_echo "${light_ver}" || log_echo "lighttpd not installed."
+	&& log_echo "${light_ver}" || (log_echo "lighttpd not installed." && error_found=1)
 	local php_ver="$(php -v |& head -n1)" \
-	&& log_echo "${php_ver}" || log_echo "PHP not installed."
+	&& log_echo "${php_ver}" || (log_echo "PHP not installed." && error_found=1)
 	echo ":::"
+	return "${error_found}"
 }
 
 files_check() {
@@ -242,7 +247,7 @@ hostnameCheck() {
 
 daemon_check() {
   # Check for daemon ${1} on port ${2}
-	header_write "Daemon Port Listening Information"
+	header_write "Daemon Process Information"
 
 	echo ":::     Checking port ${2} for ${1} listener."
   local found_daemon=false
@@ -258,6 +263,8 @@ daemon_check() {
 	  && (log_echo -n "IPv4 Port ${2} is in use " && lsof_parse "${lsof_value}" "${1}") \
 	  || (log_echo "Port ${2} is not in use on IPv4.")
 
+  echo "${1}file"
+
 	echo ":::"
 }
 
@@ -327,7 +334,6 @@ checkProcesses() {
 }
 
 debugLighttpd() {
-
   echo ":::     Checking for necessary lighttpd files."
   files_check "${LIGHTTPDFILE}"
   files_check "${LIGHTTPDERRFILE}"
@@ -336,11 +342,15 @@ debugLighttpd() {
 
 ### END FUNCTIONS ###
 
-version_check
+# Gather version of required packages / repositories
+version_check || echo "REQUIRED FILES MISSING"
+
 source_file "/etc/pihole/setupVars.conf"
 distro_check
 ip_check
-hostnameCheck
+#hostnameCheck
+
+
 daemon_check lighttpd http
 daemon_check dnsmasq domain
 checkProcesses

From 85fbd66871f5d5e5a3a42556183600dfe0d520c1 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 14:52:08 -0700
Subject: [PATCH 24/30] Good commit point, number of changes

---
 advanced/Scripts/piholeDebug.sh | 192 ++++++++++++++------------------
 1 file changed, 85 insertions(+), 107 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 71a3ce27..20abe318 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -13,73 +13,77 @@
 set -o pipefail
 
 ######## GLOBAL VARS ########
+VARSFILE="/etc/pihole/setupVars.conf"
 DEBUG_LOG="/var/log/pihole_debug.log"
 DNSMASQFILE="/etc/dnsmasq.conf"
-PIHOLECONFFILE="/etc/dnsmasq.d/01-pihole.conf"
+DNSMASQCONFFILE="/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"
+ADLISTFILE="/etc/pihole/adlists.list"
 PIHOLELOG="/var/log/pihole.log"
 WHITELISTMATCHES="/tmp/whitelistmatches.list"
 
-# Default to no IPv6, will check and enable if needed.
-IPV6_ENABLED=false
+IPV6_READY=false
 
 # Header info and introduction
 cat << EOM
 ::: Beginning Pi-hole debug at $(date)!
 :::
-::: This debugging process will collect information from your Pi-hole,
-::: and optionally upload the generated log to a unique and random directory on
-::: tricorder.pi-hole.net. NOTE: All log files auto-delete after 24 hours and only
-::: the Pi-hole developers can access your data via the generated token. We have taken
-::: these extra steps to secure your data and we will work to further reduce any
-::: personal information gathered.
+::: This process collects information from your Pi-hole, and optionally uploads
+::: it to a unique and random directory on tricorder.pi-hole.net.
+:::
+::: NOTE: All log files auto-delete after 24 hours and ONLY the Pi-hole developers
+::: can access your data via the given token. We have taken these extra steps to
+::: secure your data and will work to further reduce any personal information gathered.
 :::
 ::: Please read and note any issues, and follow any directions advised during this process.
-:::
 EOM
 
 # Ensure the file exists, create if not, clear if exists.
-if [ ! -f "${DEBUG_LOG}" ]; then
-	touch ${DEBUG_LOG}
-	chmod 644 ${DEBUG_LOG}
-	chown "$USER":root ${DEBUG_LOG}
-else
-	truncate -s 0 ${DEBUG_LOG}
-fi
+truncate --size=0 "${DEBUG_LOG}"
+chmod 644 ${DEBUG_LOG}
+chown "$USER":pihole ${DEBUG_LOG}
+
+source ${VARSFILE}
 
 ### Private functions exist here ###
 log_write() {
     echo "${1}" >> "${DEBUG_LOG}"
 }
 
-header_write() {
-  echo "" >> "${DEBUG_LOG}"
-  echo "::: ${1}" >> "${DEBUG_LOG}"
-  echo "" >> "${DEBUG_LOG}"
-}
-
 log_echo() {
   case ${1} in
     -n)
       echo -n ":::       ${2}"
       log_write "${2}"
       ;;
+    -r)
+      echo ":::       ${2}"
+      log_write "${2}"
+      ;;
     -l)
       echo "${2}"
       log_write "${2}"
       ;;
+     -e)
+      echo "${2}"
+      log_write
+      ;;
      *)
-      echo ":::       ${1}"
+      echo ":::  ${1}"
       log_write "${1}"
   esac
 }
 
+header_write() {
+  log_echo ""
+  log_echo "${1}"
+  log_write ""
+}
+
 file_parse() {
     while read -r line; do
 		  if [ ! -z "${line}" ]; then
@@ -87,6 +91,7 @@ file_parse() {
 				log_write "${line}"
 			fi
 		done < "${1}"
+		log_write ""
 }
 
 block_parse() {
@@ -101,42 +106,37 @@ lsof_parse() {
   user=$(echo ${1} | cut -f 3 -d ' ' | cut -c 2-)
   process=$(echo ${1} | cut -f 2 -d ' ' | cut -c 2-)
   if [[ ${2} -eq ${process} ]]; then
-    match="as required."
+    echo ":::       Correctly configured."
   else
-    match="incorrectly."
+    log_echo ":::       Failure: Incorrectly configured daemon."
   fi
-  log_echo -l "by ${user} for ${process} ${match}"
+  log_write "Found user ${user} with process ${process}"
 }
 
 
 version_check() {
-  header_write "Installed Package Versions"
+  header_write "Detecting Installed Package Versions:"
 
   local error_found
   error_found=0
 
-	echo ":::     Detecting Pi-hole installed versions."
-
 	local pi_hole_ver="$(cd /etc/.pihole/ && git describe --tags --abbrev=0)" \
-	&& log_echo "Pi-hole: $pi_hole_ver" || (log_echo "Pi-hole git repository not detected." && error_found=1)
+	&& log_echo -r "Pi-hole: $pi_hole_ver" || (log_echo "Pi-hole git repository not detected." && error_found=1)
 	local admin_ver="$(cd /var/www/html/admin && git describe --tags --abbrev=0)" \
-	&& log_echo "WebUI: $admin_ver" || (log_echo "Pi-hole Admin Pages git repository not detected." && error_found=1)
+	&& log_echo -r "WebUI: $admin_ver" || (log_echo "Pi-hole Admin Pages git repository not detected." && error_found=1)
 	local light_ver="$(lighttpd -v |& head -n1 | cut -d " " -f1)" \
-	&& log_echo "${light_ver}" || (log_echo "lighttpd not installed." && error_found=1)
+	&& log_echo -r "${light_ver}" || (log_echo "lighttpd not installed." && error_found=1)
 	local php_ver="$(php -v |& head -n1)" \
-	&& log_echo "${php_ver}" || (log_echo "PHP not installed." && error_found=1)
-	echo ":::"
+	&& log_echo -r "${php_ver}" || (log_echo "PHP not installed." && error_found=1)
 	return "${error_found}"
 }
 
 files_check() {
-  header_write "File Check"
-
   #Check non-zero length existence of ${1}
-  log_echo -n "Detecting existence of ${1}:"
+  header_write "Detecting existence of ${1}:"
   local search_file="${1}"
   if [[ -s ${search_file} ]]; then
-    echo " exists"
+     echo ":::       File exists"
      file_parse "${search_file}"
      return 0
 	else
@@ -148,22 +148,31 @@ files_check() {
 
 source_file() {
   local file_found=$(files_check "${1}") \
-   && (source "${1}" &> /dev/null && log_echo -l "${file_found} and was successfully sourced") \
+   && (source "${1}" &> /dev/null && echo "${file_found} and was successfully sourced") \
    || log_echo -l "${file_found} and could not be sourced"
 }
 
 distro_check() {
-  header_write "Installed OS Distribution"
+  local soft_fail
+  header_write "Detecting installed OS Distribution"
+  soft_fail=0
+	local distro="$(cat /etc/*release)" && block_parse "${distro}" || (log_echo "Distribution details not found." && soft_fail=1)
+	return "${soft_fail}"
+}
 
-	echo ":::     Checking installed OS Distribution release."
-	local distro="$(cat /etc/*release)" && block_parse "${distro}" || log_echo "Distribution details not found."
-	echo ":::"
+processor_check() {
+  local soft_fail
+  header_write "Checking processor variety"
+
+  soft_fail=0
+  log_write $(uname -m) || soft_fail=1
+  return "${soft_fail}"
 }
 
 ipv6_check() {
   # Check if system is IPv6 enabled, for use in other functions
-  if [[ -a /proc/net/if_inet6 ]]; then
-    IPV6_ENABLED=true
+  if [[ $IPv6_address ]]; then
+    ls /proc/net/if_inet6 &>/dev/null && IPV6_READY=true
     return 0
   else
     return 1
@@ -180,40 +189,39 @@ ip_check() {
 	# If declared in setupVars.conf use it, otherwise defer to default
 	# http://stackoverflow.com/questions/2013547/assigning-default-values-to-shell-variables-with-a-single-command-in-bash
 
-	echo ":::     Collecting local IP info."
-	local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
+local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
 	&& (block_parse "${IPv4_addr_list}" && echo ":::       IPv4 addresses located")\
 	|| log_echo "No IPv4 addresses found."
 
 	local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
 	if [[ $? = 0 ]]; then
-		echo -n ":::     Pinging default IPv4 gateway: "
+		echo -n ":::        Pinging default IPv4 gateway: "
 		local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}" | tail -n3)" \
 		&& echo "Gateway responded." \
 		|| echo "Gateway did not respond."
 		block_parse "${IPv4_def_gateway_check}"
 
-		echo -n ":::     Pinging Internet via IPv4: "
+		echo -n ":::        Pinging Internet via IPv4: "
 		local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)" \
 		&& echo "Query responded." \
 		|| echo "Query did not respond."
 		block_parse "${IPv4_inet_check}"
 	fi
 
-  if [[ IPV6_ENABLED ]]; then
+  if [[ IPV6_READY ]]; then
     local IPv6_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
 	  && (log_write "${IPv6_addr_list}" && echo ":::       IPv6 addresses located") \
 	  || log_echo "No IPv6 addresses found."
 
     local IPv6_def_gateway=$(ip -6 r | grep default | cut -d ' ' -f 3)
     if [[ $? = 0 ]] && [[ -n ${IPv6_def_gateway} ]]; then
-      echo -n ":::     Pinging default IPv6 gateway: "
+      echo -n ":::        Pinging default IPv6 gateway: "
       local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
       && echo "Gateway Responded." \
       || echo "Gateway did not respond."
       block_parse "${IPv6_def_gateway_check}"
 
-      echo -n ":::     Pinging Internet via IPv6: "
+      echo -n ":::        Pinging Internet via IPv6: "
       local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
       && echo "Query responded." \
       || echo "Query did not respond."
@@ -221,51 +229,28 @@ ip_check() {
     else
       log_echo="No IPv6 Gateway Detected"
     fi
-    echo ":::"
   fi
 }
 
-hostnameCheck() {
-	header_write "Hostname Information"
+port_check() {
+  local lsof_value
 
-	echo ":::     Writing locally configured hostnames to logfile"
-	# Write the hostname output to compare against entries in /etc/hosts, which is logged next
-	log_write "This Pi-hole is: $(hostname)"
-
-	echo ":::     Writing hosts file to debug log..."
-	log_write ":::       Hosts File Contents"
-
-	if [[ -e "${HOSTSFILE}" ]]; then
-		file_parse "${HOSTSFILE}"
-		else
-		log_echo "No hosts file found!"
-	fi
-
-	echo ":::"
+  lsof_value=$(lsof -i ${1}:${2} -FcL | tr '\n' ' ') \
+  && lsof_parse "${lsof_value}" "${3}" \
+  || log_echo "Failure: IPv${1} Port not in use"
 }
 
-
 daemon_check() {
   # Check for daemon ${1} on port ${2}
 	header_write "Daemon Process Information"
 
-	echo ":::     Checking port ${2} for ${1} listener."
-  local found_daemon=false
-	local lsof_value
-
-	if [[ ${IPV6_ENABLED} ]]; then
-	  lsof_value=$(lsof -i 6:${2} -FcL | tr '\n' ' ') \
-	  && (log_echo -n "IPv6 Port ${2} is in use " && lsof_parse "${lsof_value}" "${1}") \
-	  || (log_echo "Port ${2} is not in use on IPv6.")
-	fi
+	echo ":::     Checking ${2} port for ${1} listener."
 
+	if [[ ${IPV6_READY} ]]; then
+	  port_check 6 "${2}" "${1}"
+  fi
 	lsof_value=$(lsof -i 4:${2} -FcL | tr '\n' ' ') \
-	  && (log_echo -n "IPv4 Port ${2} is in use " && lsof_parse "${lsof_value}" "${1}") \
-	  || (log_echo "Port ${2} is not in use on IPv4.")
-
-  echo "${1}file"
-
-	echo ":::"
+    port_check 4 "${2}" "${1}"
 }
 
 testResolver() {
@@ -344,9 +329,13 @@ debugLighttpd() {
 
 # Gather version of required packages / repositories
 version_check || echo "REQUIRED FILES MISSING"
-
+# Check for newer setupVars storage file
 source_file "/etc/pihole/setupVars.conf"
-distro_check
+# Gather information about the running distribution
+distro_check || echo "Distro Check soft fail"
+# Gather processor type
+processor_check || echo "Processor Check soft fail"
+
 ip_check
 #hostnameCheck
 
@@ -357,31 +346,20 @@ checkProcesses
 testResolver
 debugLighttpd
 
-echo "::: Writing dnsmasq.conf to debug log..."
 header_write "Dnsmasq configuration"
-if [ -e "${DNSMASQFILE}" ]; then
-	while read -r line; do
-		if [ ! -z "${line}" ]; then
-			[[ "${line}" =~ ^#.*$ ]] && continue
-			log_write "${line}"
-		fi
-	done < "${DNSMASQFILE}"
-	log_write ""
-else
-	log_write "No dnsmasq.conf file found!"
-	printf ":::\tNo dnsmasq.conf file found!\n"
-fi
+files_check ${DNSMASQFILE}
+
 
 echo "::: Writing 01-pihole.conf to debug log..."
 header_write "01-pihole.conf"
 
-if [ -e "${PIHOLECONFFILE}" ]; then
+if [ -e "${DNSMASQCONFFILE}" ]; then
 	while read -r line; do
 		if [ ! -z "${line}" ]; then
 			[[ "${line}" =~ ^#.*$ ]] && continue
 			log_write "${line}"
 		fi
-	done < "${PIHOLECONFFILE}"
+	done < "${DNSMASQCONFFILE}"
 	log_write
 else
 	log_write "No 01-pihole.conf file found!"
@@ -423,13 +401,13 @@ fi
 
 echo "::: Writing adlists.list to debug log..."
 header_write "adlists.list"
-if [ -e "${ADLISTSFILE}" ]; then
+if [ -e "${ADLISTFILE}" ]; then
 	while read -r line; do
 		if [ ! -z "${line}" ]; then
 			[[ "${line}" =~ ^#.*$ ]] && continue
 			log_write "${line}"
 		fi
-	done < "${ADLISTSFILE}"
+	done < "${ADLISTFILE}"
 	log_write
 else
 	log_write "No adlists.list file found... using adlists.default!"

From cb5c94ef5e5ab6e4c9b5b25b6559480b4c40e80c Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 15:13:04 -0700
Subject: [PATCH 25/30] Sorry, left that gravity.list parser in. Big debug
 files. Cleared that up.

---
 advanced/Scripts/piholeDebug.sh | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 20abe318..eac4a30f 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -366,16 +366,12 @@ else
 	printf ":::\tNo 01-pihole.conf file found\n"
 fi
 
-echo "::: Writing size of gravity.list to debug log..."
-header_write "gravity.list"
 
-if [ -e "${GRAVITYFILE}" ]; then
-	wc -l "${GRAVITYFILE}" >> ${DEBUG_LOG}
-	log_write ""
-else
-	log_write "No gravity.list file found!"
-	printf ":::\tNo gravity.list file found\n"
-fi
+header_write "Analyzing gravity.list"
+
+	gravity_length=$(wc -l "${GRAVITYFILE}") \
+	&& log_write "${GRAVITYFILE} is ${gravity_length} lines long." \
+	|| log_echo "Warning: No gravity.list file found!"
 
 
 ### Pi-hole application specific logging ###

From d9a16b0ff406dba1ad68ed600eb80d3c821ce16b Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 15:25:06 -0700
Subject: [PATCH 26/30] Clear up bottom half of script with fewer
 redundenicies.

---
 advanced/Scripts/piholeDebug.sh | 66 +++------------------------------
 1 file changed, 5 insertions(+), 61 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index eac4a30f..8ae9759c 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -295,10 +295,6 @@ testResolver() {
 	log_write "Pi-hole dnsmasq specific records lookups"
 	log_write "Cache Size:"
 	dig +short chaos txt cachesize.bind >> ${DEBUG_LOG}
-	log_write "Misses count:"
-	dig +short chaos txt misses.bind >> ${DEBUG_LOG}
-	log_write "Hits count:"
-	dig +short chaos txt hits.bind >> ${DEBUG_LOG}
 	log_write "Upstream Servers:"
 	dig +short chaos txt servers.bind >> ${DEBUG_LOG}
 	log_write ""
@@ -346,25 +342,11 @@ checkProcesses
 testResolver
 debugLighttpd
 
-header_write "Dnsmasq configuration"
-files_check ${DNSMASQFILE}
-
-
-echo "::: Writing 01-pihole.conf to debug log..."
-header_write "01-pihole.conf"
-
-if [ -e "${DNSMASQCONFFILE}" ]; then
-	while read -r line; do
-		if [ ! -z "${line}" ]; then
-			[[ "${line}" =~ ^#.*$ ]] && continue
-			log_write "${line}"
-		fi
-	done < "${DNSMASQCONFFILE}"
-	log_write
-else
-	log_write "No 01-pihole.conf file found!"
-	printf ":::\tNo 01-pihole.conf file found\n"
-fi
+files_check "${DNSMASQFILE}"
+files_check "${DNSMASQCONFFILE}"
+files_check "${WHITELISTFILE}"
+files_check "${BLACKLISTFILE}"
+files_check "${ADLISTFILE}"
 
 
 header_write "Analyzing gravity.list"
@@ -373,44 +355,6 @@ header_write "Analyzing gravity.list"
 	&& log_write "${GRAVITYFILE} is ${gravity_length} lines long." \
 	|| log_echo "Warning: No gravity.list file found!"
 
-
-### Pi-hole application specific logging ###
-echo "::: Writing whitelist to debug log..."
-header_write "Whitelist"
-if [ -e "${WHITELISTFILE}" ]; then
-	cat "${WHITELISTFILE}" >> ${DEBUG_LOG}
-	log_write
-else
-	log_write "No whitelist.txt file found!"
-	printf ":::\tNo whitelist.txt file found!\n"
-fi
-
-echo "::: Writing blacklist to debug log..."
-header_write "Blacklist"
-if [ -e "${BLACKLISTFILE}" ]; then
-	cat "${BLACKLISTFILE}" >> ${DEBUG_LOG}
-	log_write
-else
-	log_write "No blacklist.txt file found!"
-	printf ":::\tNo blacklist.txt file found!\n"
-fi
-
-echo "::: Writing adlists.list to debug log..."
-header_write "adlists.list"
-if [ -e "${ADLISTFILE}" ]; then
-	while read -r line; do
-		if [ ! -z "${line}" ]; then
-			[[ "${line}" =~ ^#.*$ ]] && continue
-			log_write "${line}"
-		fi
-	done < "${ADLISTFILE}"
-	log_write
-else
-	log_write "No adlists.list file found... using adlists.default!"
-	printf ":::\tNo adlists.list file found... using adlists.default!\n"
-fi
-echo
-
 # Continuously append the pihole.log file to the pihole_debug.log file
 dumpPiHoleLog() {
 	trap '{ echo -e "\n::: Finishing debug write from interrupt... Quitting!" ; exit 1; }' INT

From 9cd830b6aa5b46a0e41cfbfe57bfac59b889c8b5 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 15:37:45 -0700
Subject: [PATCH 27/30] Start to refine tests and clean up code.

---
 advanced/Scripts/piholeDebug.sh | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 8ae9759c..e218d7f6 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -68,10 +68,6 @@ log_echo() {
       echo "${2}"
       log_write "${2}"
       ;;
-     -e)
-      echo "${2}"
-      log_write
-      ;;
      *)
       echo ":::  ${1}"
       log_write "${1}"
@@ -87,7 +83,7 @@ header_write() {
 file_parse() {
     while read -r line; do
 		  if [ ! -z "${line}" ]; then
-			  [[ "${line}" =~ ^#.*$ ]] && continue
+			  [[ "${line}" =~ ^#.*$  || ! "${line}" ]] && continue
 				log_write "${line}"
 			fi
 		done < "${1}"
@@ -101,15 +97,13 @@ block_parse() {
 lsof_parse() {
   local user
   local process
-  local match
 
   user=$(echo ${1} | cut -f 3 -d ' ' | cut -c 2-)
   process=$(echo ${1} | cut -f 2 -d ' ' | cut -c 2-)
-  if [[ ${2} -eq ${process} ]]; then
-    echo ":::       Correctly configured."
-  else
-    log_echo ":::       Failure: Incorrectly configured daemon."
-  fi
+  [[ ${2} -eq ${process} ]] \
+  && echo ":::       Correctly configured." \
+  || log_echo ":::       Failure: Incorrectly configured daemon."
+
   log_write "Found user ${user} with process ${process}"
 }
 
@@ -333,8 +327,6 @@ distro_check || echo "Distro Check soft fail"
 processor_check || echo "Processor Check soft fail"
 
 ip_check
-#hostnameCheck
-
 
 daemon_check lighttpd http
 daemon_check dnsmasq domain

From fad2d6b1d1da5a6c442c24d0ff978e9a8f0be163 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Fri, 28 Oct 2016 15:53:18 -0700
Subject: [PATCH 28/30] Return values start showin up now. Logic operators
 too...

---
 advanced/Scripts/piholeDebug.sh | 47 +++++++++++++++++----------------
 1 file changed, 24 insertions(+), 23 deletions(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index e218d7f6..b228b0c9 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -155,12 +155,8 @@ distro_check() {
 }
 
 processor_check() {
-  local soft_fail
   header_write "Checking processor variety"
-
-  soft_fail=0
-  log_write $(uname -m) || soft_fail=1
-  return "${soft_fail}"
+  log_write $(uname -m) && return 0 || return 1
 }
 
 ipv6_check() {
@@ -173,34 +169,19 @@ ipv6_check() {
   fi
 }
 
+
 ip_check() {
 	header_write "IP Address Information"
 	# Get the current interface for Internet traffic
 
 	# Check if IPv6 enabled
 	local IPv6_interface
+	local IPv4_interface
 	ipv6_check &&	IPv6_interface=${piholeInterface:-$(ip -6 r | grep default | cut -d ' ' -f 5)}
 	# If declared in setupVars.conf use it, otherwise defer to default
 	# http://stackoverflow.com/questions/2013547/assigning-default-values-to-shell-variables-with-a-single-command-in-bash
+  IPv4_interface=${piholeInterface:-$(ip r | grep default | cut -d ' ' -f 5)}
 
-local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
-	&& (block_parse "${IPv4_addr_list}" && echo ":::       IPv4 addresses located")\
-	|| log_echo "No IPv4 addresses found."
-
-	local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
-	if [[ $? = 0 ]]; then
-		echo -n ":::        Pinging default IPv4 gateway: "
-		local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}" | tail -n3)" \
-		&& echo "Gateway responded." \
-		|| echo "Gateway did not respond."
-		block_parse "${IPv4_def_gateway_check}"
-
-		echo -n ":::        Pinging Internet via IPv4: "
-		local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 | tail -n3)" \
-		&& echo "Query responded." \
-		|| echo "Query did not respond."
-		block_parse "${IPv4_inet_check}"
-	fi
 
   if [[ IPV6_READY ]]; then
     local IPv6_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
@@ -223,6 +204,26 @@ local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet"
     else
       log_echo="No IPv6 Gateway Detected"
     fi
+
+local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
+	&& (block_parse "${IPv4_addr_list}" && echo ":::       IPv4 addresses located")\
+	|| log_echo "No IPv4 addresses found."
+
+	local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
+	if [[ $? = 0 ]]; then
+		echo -n ":::        Pinging default IPv4 gateway: "
+		local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}"  -I "${IPv4_interface}" | tail -n3)" \
+		&& echo "Gateway responded." \
+		|| echo "Gateway did not respond."
+		block_parse "${IPv4_def_gateway_check}"
+
+		echo -n ":::        Pinging Internet via IPv4: "
+		local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 -I "${IPv4_interface}" | tail -n3)" \
+		&& echo "Query responded." \
+		|| echo "Query did not respond."
+		block_parse "${IPv4_inet_check}"
+	fi
+
   fi
 }
 

From 908697a963c49ce9de0aa3178279c4fdb56fcb95 Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Sat, 29 Oct 2016 12:04:18 -0700
Subject: [PATCH 29/30] User token instructions, and small bugfix for missing
 separator.

---
 advanced/Scripts/piholeDebug.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index b228b0c9..665c1f28 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -302,7 +302,7 @@ checkProcesses() {
 	PROCESSES=( lighttpd dnsmasq )
 	for i in "${PROCESSES[@]}"; do
 		log_write ""
-		log_write -n "${i}"
+		log_write "${i}"
 		log_write " processes status:"
 		systemctl -l status "${i}" >> "${DEBUG_LOG}"
 	done
@@ -382,6 +382,8 @@ finalWork() {
 	# Check if tricorder.pi-hole.net is reachable and provide token.
 	if [ -n "${tricorder}" ]; then
 		echo "::: Your debug token is : ${tricorder}"
+		echo "::: Please contact the Pi-hole team with your token to being assistance."
+		echo "::: Thank you."
 	fi
 		echo "::: Debug log can be found at : /var/log/pihole_debug.log"
 }

From dcf6e6b14d35424923ec9b622d8ff8921fc6cafe Mon Sep 17 00:00:00 2001
From: Dan Schaper <dschaper@ganymeade.com>
Date: Sat, 29 Oct 2016 12:24:22 -0700
Subject: [PATCH 30/30] Clarify user action required to end the scripts.

---
 advanced/Scripts/piholeDebug.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/advanced/Scripts/piholeDebug.sh b/advanced/Scripts/piholeDebug.sh
index 665c1f28..6768a8ea 100755
--- a/advanced/Scripts/piholeDebug.sh
+++ b/advanced/Scripts/piholeDebug.sh
@@ -351,7 +351,9 @@ header_write "Analyzing gravity.list"
 # Continuously append the pihole.log file to the pihole_debug.log file
 dumpPiHoleLog() {
 	trap '{ echo -e "\n::: Finishing debug write from interrupt... Quitting!" ; exit 1; }' INT
-	echo -e "::: Writing current Pi-hole 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 "::: "
+	echo "::: --= User Action Required =--"
+	echo -e "::: Try loading a site that you are having trouble with now from a client web browser.. \n:::\t(Press CTRL+C to finish logging.)"
 	header_write "pihole.log"
 	if [ -e "${PIHOLELOG}" ]; then
 		while true; do