From 6332a66f1632266b3b0f6739711f13b62b992614 Mon Sep 17 00:00:00 2001
From: cytopia <cytopia@everythingcli.org>
Date: Wed, 16 Mar 2022 11:13:02 +0100
Subject: [PATCH 1/3] Revert "Adjust dependabot and labels"

---
 .github/labels.yml                    |  11 -
 .github/workflows/release-drafter.yml |   4 -
 data/docker-entrypoint.sh             | 511 ++++++++++++--------------
 3 files changed, 228 insertions(+), 298 deletions(-)

diff --git a/.github/labels.yml b/.github/labels.yml
index 18c2cd2..9a507e8 100644
--- a/.github/labels.yml
+++ b/.github/labels.yml
@@ -1,7 +1,6 @@
 # The labels in this file are automatically synced with the repository
 # using the micnncim/action-label-syncer action.
 ---
-# Dependabot
 - name: C-dependency
   color: 1abc9c
   description: "Category: Dependency"
@@ -11,13 +10,3 @@
 - name: PR-merge
   color: 3498db
   description: "Pull Request: Merge when ready"
-# Release Drafter
-- name: major
-  color: 1abc9c
-  description: "Make Release drafter create a new major release"
-- name: minor
-  color: 3498db
-  description: "Make Release drafter create a new minor release"
-- name: patch
-  color: 3498db
-  description: "Make Release drafter create a new patch release"
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index b79c80f..1a63d7e 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -6,10 +6,6 @@ on:
     # branches to consider in the event; optional, defaults to all
     branches:
       - master
-  # pull_request event is required only for autolabeler
-  pull_request:
-    # Only following types are handled by the action, but one can default to all as well
-    types: [opened, reopened, synchronize]
 
 jobs:
   update_release_draft:
diff --git a/data/docker-entrypoint.sh b/data/docker-entrypoint.sh
index 394fd71..7edc1d2 100755
--- a/data/docker-entrypoint.sh
+++ b/data/docker-entrypoint.sh
@@ -12,7 +12,7 @@ fi
 
 ####################################################################################################
 ###
-### (1/6) VARIABLES
+### (1/5) VARIABLES
 ###
 ####################################################################################################
 
@@ -24,28 +24,6 @@ NAMED_DIR="/etc/bind"
 NAMED_CONF="${NAMED_DIR}/named.conf"
 NAMED_OPT_CONF="${NAMED_DIR}/named.conf.options"
 NAMED_LOG_CONF="${NAMED_DIR}/named.conf.logging"
-NAMED_CUST_CONF="${NAMED_DIR}/custom/conf"
-NAMED_CUST_ZONE="${NAMED_DIR}/custom/zone"
-
-mkdir -p "${NAMED_CUST_CONF}"
-mkdir -p "${NAMED_CUST_ZONE}"
-
-
-###
-### FQDN of primary nameserver.
-### Defaults to current hostname if not otherwise specified.
-### When overwriting, use an FQDN by which this container is reachable.
-### http://rscott.org/dns/soa.html
-###
-DEFAULT_MNAME="$( hostname -A | sed 's/\s$//g' | xargs -0 )"
-
-
-###
-### Contact Email
-### All dot characters '.' must be escaped with an backslash '\'
-### The actual @ character must be an unescaped dot character '.'
-###
-DEFAULT_RNAME="admin.${DEFAULT_MNAME}"
 
 
 ###
@@ -68,7 +46,7 @@ DEFAULT_MAX_CACHE_TIME=10800
 
 ####################################################################################################
 ###
-### (2/6) HELPER FUNCTIONS
+### (2/5) HELPER FUNCTIONS
 ###
 ####################################################################################################
 
@@ -110,12 +88,10 @@ log() {
 log_file() {
 	local filename="${1}"
 
-	echo
 	printf "%0.s-" {1..80}; echo
 	echo "${filename}"
 	printf "%0.s-" {1..80}; echo
 	cat "${filename}"
-	printf "%0.s^" {1..80}; echo
 }
 
 
@@ -254,7 +230,7 @@ is_address_match_list() {
 
 ####################################################################################################
 ###
-### (3/6) ACTION FUNCTIONS
+### (3/5) ACTION FUNCTIONS
 ###
 ####################################################################################################
 
@@ -271,7 +247,6 @@ add_options() {
 	local forwarders="${3}"
 	local allow_query="${4}"
 	local allow_recursion="${5}"
-	local response_policy="${6}"
 
 	{
 		echo "options {"
@@ -279,9 +254,6 @@ add_options() {
 		echo "    dnssec-validation ${dnssec_validate};"
 		echo "    auth-nxdomain no;    # conform to RFC1035"
 		echo "    listen-on-v6 { any; };"
-		if [ -n "${response_policy}" ]; then
-			echo "    response-policy { zone \"${response_policy}\"; };"
-		fi
 		if [ -n "${forwarders}" ]; then
 			echo "    forwarders {"
 			printf       "%s" "${forwarders}"
@@ -306,190 +278,160 @@ add_options() {
 }
 
 
-###
-### Add Reverse zone
-###
-add_rev_zone() {
-	# Zone variables
-	local addr="${1}"  # A.B.C.D
-	local name="${2}"  # Domain / FQDN
-	local zone="${3}"  # C.B.A.in-addr.arpa
-	local ptr="${4}"   # D.C.B.A.in-addr.arpa
-
-	# DNS timing variables
-	local ttl_time="${5}"
-	local refresh_time="${6}"
-	local retry_time="${7}"
-	local expiry_time="${8}"
-	local max_cache_time="${9}"
+# Add wildcard DNS zone.
+#
+# @param domain       Domain name to create zone for.
+# @param address      IP address to point all records to.
+# @param config_file  Configuration file path.
+# @param wildcard     1: Enable wildcard, 0: Normal host
+# @param reverse      String of reverse DNS name or empty for no reverse DNS
+# @param debug_level
+add_wildcard_zone() {
+	# DNS setting variables
+	local domain="${1}"
+	local address="${2}"
+	local conf_file="${3}"
+	local wildcard="${4}"
+	local reverse="${5}"
+	# DNS time variables
+	local ttl_time="${6}"
+	local refresh_time="${7}"
+	local retry_time="${8}"
+	local expiry_time="${9}"
+	local max_cache_time="${10}"
+	# Debug level for log function
+	local debug_level="${11}"
+
+
+	local reverse_addr
+	local reverse_octet
+	local conf_path
+	local zone_file
+	local zone_rev_file
 	local serial
+
+	# IP address octets
+	local o1
+	local o2
+	local o3
+	local o4
+
+	# Extract IP address octets
+	o1="$( echo "${address}" | awk -F '.' '{print $1}' )"
+	o2="$( echo "${address}" | awk -F '.' '{print $2}' )"
+	o3="$( echo "${address}" | awk -F '.' '{print $3}' )"
+	o4="$( echo "${address}" | awk -F '.' '{print $4}' )"
+
+	reverse_addr="${o3}.${o2}.${o1}"
+	reverse_octet="${o4}"
+	conf_path="$( dirname "${conf_file}" )"
+	zone_file="${conf_file}.zone"
+	zone_rev_file="${conf_file}.zone.reverse"
 	serial="$( date +'%s' )"
 
-	local debug_level="${10}"
+	# Create config directory if it does not yet exist
+	if [ ! -d "${conf_path}" ]; then
+		mkdir -p "${conf_path}"
+	fi
 
-	# Config file
-	if [ ! -f "${NAMED_CUST_CONF}/${zone}.conf" ]; then
-		{
-			echo "zone \"${zone}\" {"
+	# Config
+	{
+		echo "zone \"${domain}\" IN {"
+		echo "    type master;"
+		echo "    allow-transfer { any; };"
+		echo "    allow-update { any; };"
+		echo "    file \"${zone_file}\";"
+		echo "};"
+		if [ -n "${reverse}" ]; then
+			echo "zone \"${reverse_addr}.in-addr.arpa\" {"
 			echo "    type master;"
 			echo "    allow-transfer { any; };"
 			echo "    allow-update { any; };"
-			echo "    file \"${NAMED_CUST_ZONE}/${zone}\";"
+			echo "    file \"${zone_rev_file}\";"
 			echo "};"
-		} > "${NAMED_CUST_CONF}/${zone}.conf"
-
-		# Append config to bind
-		echo "include \"${NAMED_CUST_CONF}/${zone}.conf\";" >> "${NAMED_CONF}"
-	fi
-
-	# Reverse zone file
-	if [ ! -f "${NAMED_CUST_ZONE}/${zone}" ]; then
-		{
-			printf "\$TTL %s\n" "${ttl_time}"
-			printf "%-29s   IN   SOA     %s %s (\n"    "@" "${DEFAULT_MNAME}." "${DEFAULT_RNAME}."
-			printf "%-44s %-15s; Serial number\n"      ""  "${serial}"
-			printf "%-44s %-15s; Refresh time\n"       ""  "${refresh_time}"
-			printf "%-44s %-15s; Retry time\n"         ""  "${retry_time}"
-			printf "%-44s %-15s; Expiry time\n"        ""  "${expiry_time}"
-			printf "%-44s %-15s; Negative Cache TTL\n" ""  "${max_cache_time}"
-			echo ")"
-			echo
-			echo "; NS Records"
-			printf "%-29s   IN   NS      %-20s\n"    "${zone}." "${DEFAULT_MNAME}."
-			echo
-			echo "; PTR Records"
-			printf "%-29s   IN   PTR     %-20s %s\n" "${ptr}." "${name}." "; ${addr}"
-
-		} > "${NAMED_CUST_ZONE}/${zone}"
-	else
-		{
-			printf "%-29s   IN   PTR     %-20s %s\n" "${ptr}." "${name}." "; ${addr}"
-		} >> "${NAMED_CUST_ZONE}/${zone}"
-	fi
-
-	# Validate .conf file
-	if ! output="$( named-checkconf "${NAMED_CUST_CONF}/${zone}.conf" 2>&1 )"; then
-		log "err" "Configuration failed." "${debug_level}"
-		if [ -n "${output}" ]; then
-			echo "${output}"
-		fi
-		log_file "${NAMED_CUST_CONF}/${zone}.conf"
-		exit 1
-	elif [ "${debug_level}" -gt "1" ]; then
-		if [ -n "${output}" ]; then
-			echo "${output}"
-		fi
-	fi
-	# Validate reverze zone file
-	if ! output="$( named-checkzone "${zone}" "${NAMED_CUST_ZONE}/${zone}" 2>&1 )"; then
-		log "err" "Configuration failed." "${debug_level}"
-		if [ -n "${output}" ]; then
-			echo "${output}"
 		fi
-		log_file "${NAMED_CUST_ZONE}/${zone}"
-		exit 1
-	elif [ "${debug_level}" -gt "1" ]; then
-		if [ -n "${output}" ]; then
-			echo "${output}"
-		fi
-	fi
-}
-
+	} > "${conf_file}"
 
-###
-### Add Forward zone (response policy zone)
-###
-add_fwd_zone() {
-	# Zone variables
-	local domain="${1}"  # The domain to translate
-	local record="${2}"  # The record type (A, CNAME, etc)
-	local target="${3}"  # The target to translate domain to
+	# Output configuration file
+	log_file "${conf_file}"
 
-	# DNS timing variables
-	local ttl_time="${4}"
-	local refresh_time="${5}"
-	local retry_time="${6}"
-	local expiry_time="${7}"
-	local max_cache_time="${8}"
-	local serial
-	serial="$( date +'%s' )"
+	# Forward Zone
+	{
+		echo "\$TTL  ${ttl_time}"
+		echo "@      IN SOA  ${domain}. root.${domain}. ("
+		echo "                 ${serial}           ; Serial number of zone file"
+		echo "                 ${refresh_time}     ; Refresh time"
+		echo "                 ${retry_time}       ; Retry time in case of problem"
+		echo "                 ${expiry_time}      ; Expiry time"
+		echo "                 ${max_cache_time} ) ; Maximum caching time in case of failed lookups"
+		echo ";"
+		echo "       IN NS     ns1.${domain}."
+		echo "       IN NS     ns2.${domain}."
+		echo "       IN A      ${address}"
+		echo ";"
+		echo "ns1    IN A      ${address}"
+		echo "ns2    IN A      ${address}"
+		if [ "${wildcard}" -eq "1" ]; then
+			echo "*      IN A      ${address}"
+		fi
+	} > "${zone_file}"
 
-	local debug_level="${9}"
+	# Output configuration file
+	log_file "${zone_file}"
 
-	# Config file
-	if [ ! -f "${NAMED_CUST_CONF}/rpz.conf" ]; then
+	# Reverse Zone
+	if [ -n "${reverse}" ]; then
 		{
-			echo "zone \"rpz\" IN {"
-			echo "    type master;"
-			echo "    allow-transfer { any; };"
-			echo "    allow-update { any; };"
-			echo "    file \"${NAMED_CUST_ZONE}/rpz\";"
-			echo "};"
-		} > "${NAMED_CUST_CONF}/rpz.conf"
+			echo "\$TTL  ${ttl_time}"
+			echo "${reverse_addr}.in-addr.arpa.  IN SOA  ${domain}. root.${domain}. ("
+			echo "                 ${serial} ; Serial number of zone file (yyyymmdd##)"
+			echo "                 ${refresh_time}     ; Refresh time"
+			echo "                 ${retry_time}       ; Retry time in case of problem"
+			echo "                 ${expiry_time}      ; Expiry time"
+			echo "                 ${max_cache_time} ) ; Maximum caching time in case of failed lookups"
+			echo ";"
+			echo "${reverse_addr}.in-addr.arpa.       IN      NS      ns1.${domain}."
+			echo "${reverse_addr}.in-addr.arpa.       IN      NS      ns2.${domain}."
+			echo "${reverse_octet}.${reverse_addr}.in-addr.arpa.     IN      PTR      ${reverse}."
+		} > "${zone_rev_file}"
 
-		# Append config to bind
-		echo "include \"${NAMED_CUST_CONF}/rpz.conf\";" >> "${NAMED_CONF}"
+		# Output configuration file
+		log_file "${zone_rev_file}"
 	fi
 
-	# forward zone file
-	if [ ! -f "${NAMED_CUST_ZONE}/rpz" ]; then
-		{
-			printf "\$TTL %s\n" "${ttl_time}"
-			printf "%-29s   IN   SOA     %s %s (\n"    "@" "${DEFAULT_MNAME}." "${DEFAULT_RNAME}."
-			printf "%-44s %-15s; Serial number\n"      ""  "${serial}"
-			printf "%-44s %-15s; Refresh time\n"       ""  "${refresh_time}"
-			printf "%-44s %-15s; Retry time\n"         ""  "${retry_time}"
-			printf "%-44s %-15s; Expiry time\n"        ""  "${expiry_time}"
-			printf "%-44s %-15s; Negative Cache TTL\n" ""  "${max_cache_time}"
-			echo ")"
-			echo
-			echo "; NS Records"
-			printf "%-29s   IN   %-7s %s\n" ""          "NS"        "${DEFAULT_MNAME}."
-			echo
-			echo "; Custom Records"
-			printf "%-29s   IN   %-7s %s\n" "${domain}" "${record}" "${target}"
-		} > "${NAMED_CUST_ZONE}/rpz"
-	else
-		{
-			printf "%-29s   IN   %-7s %s\n" "${domain}" "${record}" "${target}"
-		} >> "${NAMED_CUST_ZONE}/rpz"
+	# named.conf
+	if ! output="$( named-checkconf "${conf_file}" 2>&1 )"; then
+		log "err" "Configuration failed." "${debug_level}"
+		echo "${output}"
+		exit
+	elif [ "${debug_level}" -gt "1" ]; then
+		echo "${output}"
 	fi
-
-	# Validate .conf file
-	if ! output="$( named-checkconf "${NAMED_CUST_CONF}/rpz.conf" 2>&1 )"; then
+	# Zone file
+	if ! output="$( named-checkzone "${domain}" "${zone_file}" 2>&1 )"; then
 		log "err" "Configuration failed." "${debug_level}"
-		if [ -n "${output}" ]; then
-			echo "${output}"
-		fi
-		log_file "${NAMED_CUST_CONF}/rpz.conf"
-		exit 1
+		echo "${output}"
+		exit
 	elif [ "${debug_level}" -gt "1" ]; then
-		if [ -n "${output}" ]; then
+		echo "${output}"
+	fi
+	# Reverse DNS
+	if [ -n "${reverse}" ]; then
+		if ! output="$( named-checkzone "${reverse_addr}.in-addr.arpa" "${zone_rev_file}" 2>&1 )"; then
+			log "err" "Configuration failed." "${debug_level}"
+			echo "${output}"
+			exit
+		elif [ "${debug_level}" -gt "1" ]; then
 			echo "${output}"
 		fi
 	fi
-	# TODO: Validation will fail on wildcard records due to some NS stuff
-	# Validate zone file
-	#if ! output="$( named-checkzone "${name}" "${NAMED_CUST_ZONE}/rpz" 2>&1 )"; then
-	#	log "err" "Configuration failed." "${debug_level}"
-	#	if [ -n "${output}" ]; then
-	#		echo "${output}"
-	#	fi
-	#	log_file "${NAMED_CUST_CONF}/rpz.conf"
-	#	log_file "${NAMED_CUST_ZONE}/rpz"
-	#	exit 1
-	#elif [ "${debug_level}" -gt "1" ]; then
-	#	if [ -n "${output}" ]; then
-	#		echo "${output}"
-	#	fi
-	#fi
 }
 
 
 
 ####################################################################################################
 ###
-### (4/6) BOOTSTRAP
+### (4/5) BOOTSTRAP
 ###
 ####################################################################################################
 
@@ -519,7 +461,7 @@ log "info" "Debug level: ${DEBUG_ENTRYPOINT}" "${DEBUG_ENTRYPOINT}"
 
 ####################################################################################################
 ###
-### (5/6) ENTRYPOINT (DEFAULTS)
+### (5/5) ENTRYPOINT
 ###
 ####################################################################################################
 
@@ -631,106 +573,127 @@ else
 fi
 
 
-
-####################################################################################################
-###
-### (6/6) ENTRYPOINT (ZONES)
 ###
-####################################################################################################
-
-REV_ZONES=""
-FWD_ZONES=""
-
-###
-### Add Reverse DNS
-###
-if printenv DNS_PTR >/dev/null 2>&1; then
-	while read -r line; do
-		addr="$( echo "${line}" | awk -F '=' '{print $1}' | xargs -0 )"
-		name="$( echo "${line}" | awk -F '=' '{print $2}' | xargs -0 )"
+### Add wildcard DNS
+###
+if printenv WILDCARD_DNS >/dev/null 2>&1; then
+
+	# Convert 'com=1.2.3.4[=com],de=2.3.4.5' into newline separated string:
+	#  com=1.2.3.4[=com]
+	#  de=2.3.4.5
+	echo "${WILDCARD_DNS}" | sed 's/,/\n/g' | while read -r line ; do
+		my_dom="$( echo "${line}" | awk -F '=' '{print $1}' | xargs -0 )"  # domain
+		my_add="$( echo "${line}" | awk -F '=' '{print $2}' | xargs -0 )"  # IP address
+		my_rev="$( echo "${line}" | awk -F '=' '{print $3}' | xargs -0 )"  # Reverse DNS record
+		my_cfg="${NAMED_DIR}/devilbox-wildcard_dns.${my_dom}.conf"
+
+		# If a CNAME was provided, try to resolve it to an IP address, otherwhise skip it
+		if is_cname "${my_add}"; then
+			# Try ping command first
+			if ! tmp="$( ping -c1 "${my_add}" 2>&1 | grep -Eo '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+' | head -1 )"; then
+				tmp="${my_add}"
+			fi
+			if ! is_ip4_addr "${tmp}"; then
+				# Try dig command second
+				tmp="$( dig @8.8.8.8 +short "${my_add}" A | head -1 )"
+				if ! is_ip4_addr "${tmp}"; then
+					log "warn" "CNAME '${my_add}' could not be resolved. Skipping to add wildcard" "${DEBUG_ENTRYPOINT}"
+					continue;
+				fi
+			fi
+			log "info" "CNAME '${my_add}' resolved to: ${tmp}" "${DEBUG_ENTRYPOINT}"
+			my_add="${tmp}"
+		fi
 
-		# Extract IP address octets
-		o1="$( echo "${addr}" | awk -F '.' '{print $1}' )"
-		o2="$( echo "${addr}" | awk -F '.' '{print $2}' )"
-		o3="$( echo "${addr}" | awk -F '.' '{print $3}' )"
-		o4="$( echo "${addr}" | awk -F '.' '{print $4}' )"
-		zone="${o3}.${o2}.${o1}.in-addr.arpa"
-		ptr="${o4}.${o3}.${o2}.${o1}.in-addr.arpa"
+		# If specified address is not a valid IPv4 address, skip it
+		if ! is_ip4_addr "${my_add}"; then
+			log "warn" "Invalid IP address '${my_add}': for *.${my_dom} -> ${my_add}. Skipping to add wildcard" "${DEBUG_ENTRYPOINT}"
+			continue;
+		fi
 
-		# Append zones and get unique ones by newline separated
-		REV_ZONES="$( echo "${REV_ZONES}"$'\n'"${zone}" | grep -vE '^$' | sort -u )"
+		if [ -n "${my_rev}" ]; then
+			log "info" "Adding wildcard DNS: *.${my_dom} -> ${my_add} (PTR: ${my_rev})" "${DEBUG_ENTRYPOINT}"
+		else
+			log "info" "Adding wildcard DNS: *.${my_dom} -> ${my_add}" "${DEBUG_ENTRYPOINT}"
+		fi
 
-		log "info" "Adding PTR Record: ${addr} -> ${name}" "${DEBUG_ENTRYPOINT}"
-		add_rev_zone \
-			"${addr}" \
-			"${name}" \
-			"${zone}" \
-			"${ptr}" \
+		echo "include \"${my_cfg}\";" >> "${NAMED_CONF}"
+		add_wildcard_zone \
+			"${my_dom}" \
+			"${my_add}" \
+			"${my_cfg}" \
+			"1" \
+			"${my_rev}" \
 			"${TTL_TIME}" \
 			"${REFRESH_TIME}" \
 			"${RETRY_TIME}" \
 			"${EXPIRY_TIME}" \
 			"${MAX_CACHE_TIME}" \
 			"${DEBUG_ENTRYPOINT}"
-	done <<< "${DNS_PTR//,/$'\n'}"
-else
-	log "info" "Not adding any PTR records" "${DEBUG_ENTRYPOINT}"
+	done
 fi
 
 
 ###
-### Build forward zones (A Record)
-###
-if printenv DNS_A >/dev/null 2>&1; then
-	while read -r line; do
-		name="$( echo "${line}" | awk -F '=' '{print $1}' | xargs -0 )"
-		addr="$( echo "${line}" | awk -F '=' '{print $2}' | xargs -0 )"
-
-		# Only a single zone used for forward zones (response policy zone)
-		FWD_ZONES="rpz"
-
-		log "info" "Adding A Record: ${name} -> ${addr}" "${DEBUG_ENTRYPOINT}"
-		add_fwd_zone \
-			"${name}" \
-			"A" \
-			"${addr}" \
-			"${TTL_TIME}" \
-			"${REFRESH_TIME}" \
-			"${RETRY_TIME}" \
-			"${EXPIRY_TIME}" \
-			"${MAX_CACHE_TIME}" \
-			"${DEBUG_ENTRYPOINT}"
-	done <<< "${DNS_A//,/$'\n'}"
-else
-	log "info" "Not adding any A records" "${DEBUG_ENTRYPOINT}"
-fi
-
+### Add extra hosts
+###
+if printenv EXTRA_HOSTS >/dev/null 2>&1 && [ -n "$( printenv EXTRA_HOSTS )" ]; then
+
+	# Convert 'com=1.2.3.4[=com],de=2.3.4.5' into newline separated string:
+	#  com=1.2.3.4
+	#  de=2.3.4.5
+	echo "${EXTRA_HOSTS}" | sed 's/,/\n/g' | while read -r line ; do
+		my_dom="$( echo "${line}" | awk -F '=' '{print $1}' | xargs -0 )"  # domain
+		my_add="$( echo "${line}" | awk -F '=' '{print $2}' | xargs -0 )"  # IP address
+		my_rev="$( echo "${line}" | awk -F '=' '{print $3}' | xargs -0 )"  # Reverse DNS record
+		my_cfg="${NAMED_DIR}/devilbox-extra_hosts.${my_dom}.conf"
+
+		# If a CNAME was provided, try to resolve it to an IP address, otherwhise skip it
+		if is_cname "${my_add}"; then
+			# Try ping command first
+			if ! tmp="$( ping -c1 "${my_add}" 2>&1 | grep -Eo '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+' | head -1 )"; then
+				tmp="${my_add}"
+			fi
+			if ! is_ip4_addr "${tmp}"; then
+				# Try dig command second
+				tmp="$( dig @8.8.8.8 +short "${my_add}" A | head -1 )"
+				if ! is_ip4_addr "${tmp}"; then
+					log "warn" "CNAME '${my_add}' could not be resolved. Skipping to add extra host" "${DEBUG_ENTRYPOINT}"
+					continue;
+				fi
+			fi
+			log "info" "CNAME '${my_add}' resolved to: ${tmp}" "${DEBUG_ENTRYPOINT}"
+			my_add="${tmp}"
+		fi
 
-###
-### Build forward zones (CNAME Record)
-###
-if printenv DNS_CNAME >/dev/null 2>&1; then
-	while read -r line; do
-		name="$( echo "${line}" | awk -F '=' '{print $1}' | xargs -0 )"
-		addr="$( echo "${line}" | awk -F '=' '{print $2}' | xargs -0 )"
+		# If specified address is not a valid IPv4 address, skip it
+		if ! is_ip4_addr "${my_add}"; then
+			log "warn" "Invalid IP address '${my_add}': for ${my_dom} -> ${my_add}. Skipping to add extra host" "${DEBUG_ENTRYPOINT}"
+			continue;
+		fi
 
-		# Only a single zone used for forward zones (response policy zone)
-		FWD_ZONES="rpz"
+		if [ -n "${my_rev}" ]; then
+			log "info" "Adding extra host: ${my_dom} -> ${my_add} (PTR: ${my_rev})" "${DEBUG_ENTRYPOINT}"
+		else
+			log "info" "Adding extra host: ${my_dom} -> ${my_add}" "${DEBUG_ENTRYPOINT}"
+		fi
 
-		log "info" "Adding CNAME Record: ${name} -> ${addr}" "${DEBUG_ENTRYPOINT}"
-		add_fwd_zone \
-			"${name}" \
-			"CNAME" \
-			"${addr}." \
+		echo "include \"${my_cfg}\";" >> "${NAMED_CONF}"
+		add_wildcard_zone \
+			"${my_dom}" \
+			"${my_add}" \
+			"${my_cfg}" \
+			"0" \
+			"${my_rev}" \
 			"${TTL_TIME}" \
 			"${REFRESH_TIME}" \
 			"${RETRY_TIME}" \
 			"${EXPIRY_TIME}" \
 			"${MAX_CACHE_TIME}" \
 			"${DEBUG_ENTRYPOINT}"
-	done <<< "${DNS_CNAME//,/$'\n'}"
+	done
 else
-	log "info" "Not adding any CNAME records" "${DEBUG_ENTRYPOINT}"
+	log "info" "Not adding any extra hosts" "${DEBUG_ENTRYPOINT}"
 fi
 
 
@@ -845,8 +808,7 @@ if ! printenv DNS_FORWARDER >/dev/null 2>&1; then
 		"${DNSSEC_VALIDATE}" \
 		"" \
 		"${_allow_query_block}" \
-		"${_allow_recursion_block}" \
-		"${FWD_ZONES}"
+		"${_allow_recursion_block}"
 else
 
 	# To be pupulated
@@ -881,27 +843,10 @@ else
 		"${DNSSEC_VALIDATE}" \
 		"${_forwarders_block}" \
 		"${_allow_query_block}" \
-		"${_allow_recursion_block}" \
-		"${FWD_ZONES}"
+		"${_allow_recursion_block}"
 fi
 
 
-###
-### Log configured zones
-###
-while IFS= read -r line; do
-	if [ -n "${line}" ]; then
-		log_file "${NAMED_CUST_CONF}/${line}.conf"
-		log_file "${NAMED_CUST_ZONE}/${line}"
-	fi
-done <<< "${REV_ZONES}"
-while IFS= read -r line; do
-	if [ -n "${line}" ]; then
-		log_file "${NAMED_CUST_CONF}/${line}.conf"
-		log_file "${NAMED_CUST_ZONE}/${line}"
-	fi
-done <<< "${FWD_ZONES}"
-
 ###
 ### Start
 ###

From d4e0f29b5e005320abfb48c0eb4622e5ad4407f6 Mon Sep 17 00:00:00 2001
From: cytopia <cytopia@everythingcli.org>
Date: Wed, 16 Mar 2022 11:13:26 +0100
Subject: [PATCH 2/3] Update labels.yml

---
 .github/labels.yml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/.github/labels.yml b/.github/labels.yml
index 9a507e8..18c2cd2 100644
--- a/.github/labels.yml
+++ b/.github/labels.yml
@@ -1,6 +1,7 @@
 # The labels in this file are automatically synced with the repository
 # using the micnncim/action-label-syncer action.
 ---
+# Dependabot
 - name: C-dependency
   color: 1abc9c
   description: "Category: Dependency"
@@ -10,3 +11,13 @@
 - name: PR-merge
   color: 3498db
   description: "Pull Request: Merge when ready"
+# Release Drafter
+- name: major
+  color: 1abc9c
+  description: "Make Release drafter create a new major release"
+- name: minor
+  color: 3498db
+  description: "Make Release drafter create a new minor release"
+- name: patch
+  color: 3498db
+  description: "Make Release drafter create a new patch release"

From 062d29ded587587ba51703cbfbcd96d856d4df93 Mon Sep 17 00:00:00 2001
From: cytopia <cytopia@everythingcli.org>
Date: Wed, 16 Mar 2022 11:14:01 +0100
Subject: [PATCH 3/3] Update release-drafter.yml

---
 .github/workflows/release-drafter.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index 1a63d7e..b79c80f 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -6,6 +6,10 @@ on:
     # branches to consider in the event; optional, defaults to all
     branches:
       - master
+  # pull_request event is required only for autolabeler
+  pull_request:
+    # Only following types are handled by the action, but one can default to all as well
+    types: [opened, reopened, synchronize]
 
 jobs:
   update_release_draft: