parental-control: auto enable urlbundle based on /apps

parental-control/Makefile

@@ -5,13 +5,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=parental-control
-PKG_VERSION:=1.2.1
+PKG_VERSION:=1.3.0
 
 LOCAL_DEV:=0
 ifneq ($(LOCAL_DEV),1)
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://dev.iopsys.eu/network/parental-control.git
-PKG_SOURCE_VERSION:=120dbcd6508b817d2ce3d579a1bfbd5bfd1a44cb
+PKG_SOURCE_VERSION:=6e2a210c90ef4b4d4741b77b77c74fc4a8683fd6
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_HASH:=skip
 endif
@@ -81,19 +81,20 @@ define Package/parental-control/install
 
 	$(INSTALL_DIR) $(1)/etc/uci-defaults
 	$(INSTALL_DATA) ./files/etc/uci-defaults/95-firewall_parentalcontrol.ucidefaults $(1)/etc/uci-defaults/
-	$(INSTALL_DATA) ./files/etc/uci-defaults/95-migrate_urlfilter.ucidefaults $(1)/etc/uci-defaults/
+	$(INSTALL_DATA) ./files/etc/uci-defaults/35-migrate_urlfilter.ucidefaults $(1)/etc/uci-defaults/
 
 	$(INSTALL_DIR) $(1)/lib/upgrade/keep.d
 	$(INSTALL_DATA) ./files/lib/upgrade/keep.d/parentalcontrol $(1)/lib/upgrade/keep.d/parentalcontrol
 
 	$(BBFDM_REGISTER_SERVICES) -v ${VENDOR_PREFIX} ./bbfdm_service.json $(1) parentalcontrol
 
+	$(INSTALL_DATA) ./files/etc/uci-defaults/40-parental_control_update_bundle_path $(1)/etc/uci-defaults/
 ifeq ($(CONFIG_PARENTAL_CONTROL_URLFILTERING),y)
-	$(INSTALL_DATA) ./files/etc/uci-defaults/55-add-default-bundles $(1)/etc/uci-defaults/
+	$(INSTALL_DATA) ./files/etc/uci-defaults/50-parental_control_add_bundles $(1)/etc/uci-defaults/
 	$(CP) ./files/urlbundle_override.json $(1)/etc/parentalcontrol/
 else
 	$(BBFDM_INSTALL_MS_PLUGIN) -v ${VENDOR_PREFIX} ./files/urlbundle_override.json $(1) parentalcontrol
-	$(INSTALL_DATA) ./files/etc/uci-defaults/50-parental_control_urlfilter $(1)/etc/uci-defaults/
+	$(INSTALL_DATA) ./files/etc/uci-defaults/50-parental_control_disable_urlfilter $(1)/etc/uci-defaults/
 endif
 endef
 

parental-control/files/etc/config/parentalcontrol

@@ -1,4 +1,3 @@
 config globals 'globals'
-    option enable '0'
+    option enable '1'
     option loglevel '3'
-    option urlfilter '1'

parental-control/files/etc/firewall.parentalcontrol

@@ -5,19 +5,16 @@
 enabled="$(uci -q get parentalcontrol.globals.enable)"
 urlfilter="$(uci -q get parentalcontrol.globals.urlfilter)"
 
-# if parentalcontrol is  enabled, add the rules, else remove them
+# if parentalcontrol is enabled, add the rules, else remove them
 if [ "${enabled}" -eq "1" ]; then
+	# this is for internet_access and profile_bedtime_schedule sections
+	add_internet_schedule_rules
 	# this is for urlfilter daemon
-	add_iptables_nfqueue_rules
 	if [ "${urlfilter}" -eq "1" ]; then
-		# this for internet_access and profile_bedtime_schedule sections
+		add_iptables_nfqueue_rules
-		add_internet_schedule_rules
 	fi
 else
-	# remove urlfilter daemon rules
+	# remove internet_access and profile_bedtime_schedule rules
+	remove_internet_schedule_rules
 	remove_iptables_nfqueue_rules
-	if [ "${urlfilter}" -eq "1" ]; then
-		# remove internet_access and profile_bedtime_schedule rules
-		remove_internet_schedule_rules
-	fi
 fi

parental-control/files/etc/init.d/parentalcontrol

@@ -46,7 +46,7 @@ configure_fw_rules() {
 			# URL filtering cannot be performed on already open sites.
 			if [ -n "$(which conntrack)" ]; then
 				sleep 5
-				conntrack -F
+				conntrack -F > /dev/null 2>&1
 			fi
 
 			# this is for urlfilter daemon
@@ -83,14 +83,13 @@ start_service() {
 	config_load parentalcontrol
 	validate_global_section
 
-	[ -n "${bundle_path}" ] && mkdir -p ${bundle_path}
-
-	# add default bundles
-	process_default_bundles
 	# add firewall rules
 	configure_fw_rules
 
 	if [ "${urlfilter}" -eq "1" ]; then
+		# add default bundles
+		[ -n "${bundle_path}" ] && mkdir -p ${bundle_path}
+		process_default_bundles
 		enable_urlfilter_dm
 	else
 		disable_urlfilter_dm
@@ -100,7 +99,7 @@ start_service() {
 	# then /tmp/dhcp.leases will be empty until clients try to get a lease,
 	# in that case, hostnames will not be processed by the daemon,
 	# for this we copy /tmp/dhcp.leases to /etc/parentalcontrol/dhcp.leases
-	# which will be persistent acrros reboots and upgrade where settings are kept
+	# which will be persistent across reboots and upgrade (with keep settings)
 	# and will be used as a backup in case /tmp/dhcp.leases is empty
 	copy_dhcp_leases
 

parental-control/files/etc/uci-defaults/35-migrate_urlfilter.ucidefaults

@@ -2,6 +2,8 @@
 
 . /lib/functions.sh
 
+[ ! -f "/etc/config/urlfilter" ] && exit 0
+
 # Convert URL filter to parental control format
 urlfilter_config="/etc/config/urlfilter"
 parentalcontrol_config="/etc/config/parentalcontrol"

parental-control/files/etc/uci-defaults/40-parental_control_update_bundle_path

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+[ ! -f "/etc/config/parentalcontrol" ] && exit 0
+
+APPS_DIR="/apps"
+
+check_mounted_app_partition() {
+	local free
+
+	if [ ! -d "${APPS_DIR}" ]; then
+		return 1
+	fi
+
+	# Check free space in disk
+	free="$(df -P "${APPS_DIR}"|tail -n 1|awk '{print $4}')"
+
+	# disable if free storage is less then 300M
+	if [ "${free}" -lt 307200 ]; then
+		return 1
+	fi
+
+	return 0
+}
+
+
+if check_mounted_app_partition; then
+	uci -q set parentalcontrol.globals.bundle_path="${APPS_DIR}/parentalcontrol"
+
+	# configure the urlfilter if not configured
+	urlfilter="$(uci -q get parentalcontrol.globals.urlfilter)"
+	if [ -z "${urlfilter}" ]; then
+		uci -q set parentalcontrol.globals.urlfilter='1'
+	fi
+else
+	uci -q set parentalcontrol.globals.urlfilter='0'
+fi
+
+exit 0

parental-control/files/etc/uci-defaults/50-parental_control_add_bundles

@@ -0,0 +1,43 @@
+#!/bin/sh
+
+[ ! -f "/etc/config/parentalcontrol" ] && exit 0
+
+COUNT=1
+
+add_urlbundle()
+{
+	local name url
+
+	url="${1}"; shift
+	name="$*"
+
+	uci -q set parentalcontrol.urlbundle_${COUNT}=urlbundle
+	uci -q set parentalcontrol.urlbundle_${COUNT}.name="${name}"
+	uci -q set parentalcontrol.urlbundle_${COUNT}.download_url="${url}"
+
+	COUNT="$((COUNT+1))"
+}
+
+urlfilter="$(uci -q get parentalcontrol.globals.urlfilter)"
+if [ "${urlfilter}" -eq "1" ]; then
+	add_urlbundle "https://blocklistproject.github.io/Lists/alt-version/abuse-nl.txt" "Abuse"
+	add_urlbundle "https://blocklistproject.github.io/Lists/alt-version/ads-nl.txt" "Ads"
+	add_urlbundle "https://blocklistproject.github.io/Lists/alt-version/crypto-nl.txt" "Crypto"
+	add_urlbundle "https://blocklistproject.github.io/Lists/alt-version/drugs-nl.txt" "Drugs"
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/everything-nl.txt' "Everything else"
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/facebook-nl.txt' 'Facebook/Instagram'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/fraud-nl.txt' 'Fraud'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/gambling-nl.txt' 'Gambling'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/malware-nl.txt' 'Malware'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/phishing-nl.txt' 'Phishing'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/piracy-nl.txt' 'Piracy'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/porn-nl.txt' 'Porn'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/ransomware-nl.txt' 'Ransomware'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/redirect-nl.txt' 'Redirect'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/scam-nl.txt' 'Scam'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/tiktok-nl.txt' 'TikTok'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/torrent-nl.txt' 'Torrent'
+	add_urlbundle 'https://blocklistproject.github.io/Lists/alt-version/tracking-nl.txt' 'Tracking'
+fi
+
+exit 0

parental-control/files/etc/uci-defaults/50-parental_control_disable_urlfilter

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+. /lib/functions.sh
+
+[ ! -f "/etc/config/parentalcontrol" ] && exit 0
+
+uci -q set parentalcontrol.globals.urlfilter='0'
+
+_delete_urlbundle() {
+	uci_remove parentalcontrol "${1}"
+}
+
+config_load "parentalcontrol"
+config_foreach _delete_urlbundle urlbundle

parental-control/files/etc/uci-defaults/50-parental_control_urlfilter

@@ -1,7 +0,0 @@
-#!/bin/sh
-
-. /lib/functions.sh
-
-[ ! -f "/etc/config/parentalcontrol" ] && exit 0
-
-uci -q set parentalcontrol.globals.urlfilter='0'

parental-control/files/etc/uci-defaults/55-add-default-bundles

@@ -1,40 +0,0 @@
-#!/bin/sh
-
-COUNT=1
-
-add_urlbundle()
-{
-	local enabled name url
-
-	enabled="${1}"; shift
-	url="${1}"; shift
-	name="${@}"
-
-	uci -q set parentalcontrol.urlbundle_${COUNT}=urlbundle
-	uci -q set parentalcontrol.urlbundle_${COUNT}.enable="${enabled}"
-	uci -q set parentalcontrol.urlbundle_${COUNT}.name="${name}"
-	uci -q set parentalcontrol.urlbundle_${COUNT}.download_url="${url}"
-
-	COUNT="$((COUNT+1))"
-}
-
-add_urlbundle "0" "https://blocklistproject.github.io/Lists/alt-version/abuse-nl.txt" "Abuse"
-add_urlbundle "0" "https://blocklistproject.github.io/Lists/alt-version/ads-nl.txt" "Ads"
-add_urlbundle "0" "https://blocklistproject.github.io/Lists/alt-version/crypto-nl.txt" "Crypto"
-add_urlbundle "1" "https://blocklistproject.github.io/Lists/alt-version/drugs-nl.txt" "Drugs"
-add_urlbundle "0" 'https://blocklistproject.github.io/Lists/alt-version/everything-nl.txt' "Everything else"
-add_urlbundle "1" 'https://blocklistproject.github.io/Lists/alt-version/facebook-nl.txt' 'Facebook/Instagram'
-add_urlbundle "1" 'https://blocklistproject.github.io/Lists/alt-version/fraud-nl.txt' 'Fraud'
-add_urlbundle "1" 'https://blocklistproject.github.io/Lists/alt-version/gambling-nl.txt' 'Gambling'
-add_urlbundle "0" 'https://blocklistproject.github.io/Lists/alt-version/malware-nl.txt' 'Malware'
-add_urlbundle "1" 'https://blocklistproject.github.io/Lists/alt-version/phishing-nl.txt' 'Phishing'
-add_urlbundle "1" 'https://blocklistproject.github.io/Lists/alt-version/piracy-nl.txt' 'Piracy'
-add_urlbundle "0" 'https://blocklistproject.github.io/Lists/alt-version/porn-nl.txt' 'Porn'
-add_urlbundle "1" 'https://blocklistproject.github.io/Lists/alt-version/ransomware-nl.txt' 'Ransomware'
-add_urlbundle "0" 'https://blocklistproject.github.io/Lists/alt-version/redirect-nl.txt' 'Redirect'
-add_urlbundle "1" 'https://blocklistproject.github.io/Lists/alt-version/scam-nl.txt' 'Scam'
-add_urlbundle "0" 'https://blocklistproject.github.io/Lists/alt-version/tiktok-nl.txt' 'TikTok'
-add_urlbundle "0" 'https://blocklistproject.github.io/Lists/alt-version/torrent-nl.txt' 'Torrent'
-add_urlbundle "0" 'https://blocklistproject.github.io/Lists/alt-version/tracking-nl.txt' 'Tracking'
-
-exit 0

parental-control/files/lib/parentalcontrol/parentalcontrol.sh

@@ -13,7 +13,10 @@ IP_RULE=""
 ACL_FILE=""
 parentalcontrol_ipv4_forward=""
 parentalcontrol_ipv6_forward=""
-default_bundle_dir="/tmp/parentalcontrol/default/"
+
+bundle_path="$(uci -q get parentalcontrol.globals.bundle_path)"
+
+default_bundle_dir="${bundle_path}/default/"
 bundle_archive="/etc/parentalcontrol/urlbundles.tar.xz"
 
 log() {
@@ -255,7 +258,9 @@ handle_schedule() {
 			schedule_added="1"
 		fi
 
-		target="ACCEPT"
+		# internet_access has been updated to be internet_break
+		# so drop traffic during the schedule, and allow outside the schedule
+		target="DROP"
 
 		config_get local_start_time "$schedule_section" "start_time" "00:00"
 		config_get duration "$schedule_section" "duration"
@@ -362,11 +367,6 @@ handle_internet_break() {
 			config_load "schedules"
 			config_foreach handle_schedule schedule "schedule" "$schedule_ref"
 		fi
-
-		# for access rule to work, need to have default drop rule as last rule
-		if [ "$schedule_added" = "1" ]; then
-			add_access_rule "$ACCESS_RULE" "" "" "" "DROP"
-		fi
 	done
 }
 
@@ -438,6 +438,13 @@ add_internet_schedule_rules() {
 }
 
 add_iptables_nfqueue_rules() {
+	local filter_used
+
+	# Check if urlfilter used
+	if ! uci show parentalcontrol |grep -q profile_urlfilter; then
+		return
+	fi
+
 	iptables -w -nL FORWARD|grep -iqE "NFQUEUE"
 	if [ "$?" -ne 0 ]; then
 		# setup netfilter queue 0, use queue bypass so that if no application is

parental-control/files/lib/parentalcontrol/sync_bundles.sh

@@ -3,12 +3,31 @@
 . /lib/functions.sh
 
 LOCKFILE="/tmp/sync_bundles.lock"
+log_level="$(uci -q get parentalcontrol.globals.loglevel)"
+log_level="${log_level:-1}"
+DEBUG=0
+
+log_err() {
+	logger -t urlfilter.sync -p error "$*"
+	if [ "${DEBUG}" -eq "1" ]; then
+		echo "#ERR# $* #" >/dev/console
+	fi
+}
+
+log_info() {
+	if [ "${log_level}" -gt 3 ]; then
+		logger -t urlfilter.sync -p info "$*"
+	fi
+	if [ "${DEBUG}" -eq "1" ]; then
+		echo "#INFO# $* #" >/dev/console
+	fi
+}
 
 # this script handles syncing bundles
 # if its a remote file, then it would be downloaded and placed in bundle_dir
 bundle_path="$(uci -q get parentalcontrol.globals.bundle_path)"
 if [ -z "${bundle_path}" ]; then
-	bundle_path="/tmp/parentalcontrol"
+	return 0
 fi
 
 stringstore_dir="${bundle_path}/stringstore"
@@ -38,15 +57,15 @@ update_bundle_file_from_url() {
 
 	available_memory=$(df "$bundle_dir" | tail -n 1 | awk '{print $(NF-2)}') # Available memory in 1K blocks
 	local needed_blocks=$((bundle_file_size / 1024)) # Convert bundle_file_size to 1K blocks
-	local max_size=$((10 * 1024 * 1024)) # 10MB in bytes
+	local max_size=$((50 * 1024 * 1024)) # 50MB in bytes
 
 	if [ "$available_memory" -le "$needed_blocks" ]; then
-		logger -p info "Error: Not enough disk space for bundle: ${bundle_name}"
+		log_info "Error: Not enough disk space for bundle: ${bundle_name}"
 		return 1
 	fi
 
 	if [ "$bundle_file_size" -gt "$max_size" ]; then
-		logger -p info "update_bundle_file_from_url: Error: File size for ${bundle_name} exceeds 10MB"
+		log_info "update_bundle_file_from_url: Error: File size for ${bundle_name} exceeds 10MB"
 		return 1
 	fi
 
@@ -57,7 +76,7 @@ update_bundle_file_from_url() {
 	else
 		# Random delay (0-5s) before starting the download
 		local delay=$((RANDOM % 6))
-		logger -p info "update_bundle_file_from_url: Waiting ${delay}s before downloading..."
+		log_info "update_bundle_file_from_url: Waiting ${delay}s before downloading..."
 		sleep "$delay"
 
 		# Retry logic with exponential backoff
@@ -65,12 +84,11 @@ update_bundle_file_from_url() {
 		local attempt=1
 		local success=0
 		while [ $attempt -le 3 ]; do
-			curl -s -o "$temp_file" "$download_url"
+			if curl -s -o "$temp_file" "$download_url"; then
-			if [ $? -eq 0 ]; then
 				success=1
 				break
 			else
-				logger -p info "update_bundle_file_from_url: Download failed. Retrying $attempt ..."
+				log_info "update_bundle_file_from_url: Download failed. Retrying $attempt ..."
 				local backoff=$(( (2 ** attempt) + (RANDOM % 3) )) # Exponential backoff + 0-2s jitter
 				sleep "$backoff"
 			fi
@@ -78,7 +96,7 @@ update_bundle_file_from_url() {
 		done
 
 		if [ $success -ne 1 ]; then
-			logger -p info "update_bundle_file_from_url: Failed to download bundle: ${bundle_name}"
+			log_info "update_bundle_file_from_url: Failed to download bundle: ${bundle_name}"
 			rm -f "$temp_file"
 			return 1
 		fi
@@ -89,7 +107,7 @@ update_bundle_file_from_url() {
 	local final_path="${bundle_dir}/${bundle_file_name}"
 	if [[ "$file_path" =~ \.xz$ ]]; then
 		if ! xz -dc "$file_path" > "$final_path"; then
-			logger -p info "update_bundle_file_from_url: Decompression failed."
+			log_info "update_bundle_file_from_url: Decompression failed."
 			rm -f "$final_path"
 			rm -f "$file_path"
 			return 1
@@ -98,7 +116,7 @@ update_bundle_file_from_url() {
 		rm -f "$file_path"
 	elif [[ "$file_path" =~ \.gz$ ]]; then
 		if ! gzip -dc "$file_path" > "$final_path"; then
-			logger -p info "update_bundle_file_from_url: Decompression failed."
+			log_info "update_bundle_file_from_url: Decompression failed."
 			rm -f "$final_path"
 			rm -f "$file_path"
 			return 1
@@ -134,7 +152,6 @@ handle_download_url() {
 	local file_name="${sanitized_url##*/}" # Get everything after the last '/'
 
 	local bundle_file_name="${file_name}.urlbundle"
-	local unprocessed_file=0
 	local file_path="${sanitized_url#file://}"
 
 	if echo "$sanitized_url" | grep -qE "^https?://|^file://"; then
@@ -153,7 +170,7 @@ handle_download_url() {
 		fi
 
 		if [ -n "$previous_bundle_size" ] && [ "$bundle_file_size" -eq "$previous_bundle_size" ]; then
-			return
+			return 0
 		fi
 
 		if echo "$sanitized_url" | grep -q "^file://" && ! echo "$sanitized_url" | grep -Eq "\.(xz|gz)$"; then
@@ -161,7 +178,7 @@ handle_download_url() {
 			sed -i "/^${bundle_file_name} /d" "$bundle_sizes"
 			echo "$bundle_file_name $bundle_file_size" >> "$bundle_sizes"
 			ubus send "parentalcontrol.bundle.update" "{\"bundle_file_path\":\"${file_path}\",\"bundle_name\":\"${bundle_name}\"}"
-			return
+			return 0
 		fi
 
 		# Remove existing entries
@@ -173,11 +190,9 @@ handle_download_url() {
 		update_bundle_file_from_url "$sanitized_url" "$bundle_file_name" "$bundle_file_size" "$bundle_name" "$file_name"
 		return $?
 	else
-		logger -p info "Error: Unsupported URL format for ${bundle_file_name}"
+		log_info "Error: Unsupported URL format for ${bundle_file_name}"
 		return 1
 	fi
-
-	return 0
 }
 
 cleanup_bundle_files() {
@@ -222,46 +237,56 @@ cleanup_bundle_files() {
 	done
 }
 
+cleanup_bundle_sizes() {
+	downloaded_bundle_names="$(cat "$bundle_sizes" | cut -d '.' -f 1)"
+
+	for name in $downloaded_bundle_names; do
+		if ls ${stringstore_dir}/${name}* 2>&1 | grep -qF '.store'; then
+			if ls ${stringstore_dir}/${name}* 2>&1 | grep -q cmph; then
+				continue
+			fi
+		fi
+
+		sed -i "/$name/d" "$bundle_sizes"
+	done
+}
+
 # Main handler for all profile URL bundles
 handle_filter_for_bundles() {
 	local urlfilter
 
 	urlfilter="$(uci -q get parentalcontrol.globals.urlfilter)"
+	# if urlfilter is not enabled, then return
 	if [ "${urlfilter}" -ne "1" ]; then
-		logger -p info "urlbundle not supported"
+		log_info "urlfilter feature not enabled"
-		return
+		return 0
-	fi
-
-	ubus -t 20 wait_for bbfdm.parentalcontrol
-
-	if [ "$?" -ne 0 ]; then
-		logger -p error "bbfdm.parentalcontrol object not found"
-		return
 	fi
 
 	initialize_environment
 
 	cleanup_bundle_files "$bundle_dir"
 	cleanup_bundle_files "$stringstore_dir"
+	cleanup_bundle_sizes
 
 	config_load parentalcontrol
 
 	config_get_bool enable globals enable 0
 	if [ "${enable}" -eq 0 ]; then
+		log_info "parental-control feature not enabled"
 		# Parental control is disabled
 		return 0
 	fi
 
-	local profile enable bundles bundle_name download_url
-
 	check_bundle_exists() {
-		local cfg="$1"
+		local enable download_url name cfg
+
+		cfg="$1"
 		config_get name "$cfg" name
-		config_get_bool enable "$cfg" enable 0
+		config_get_bool enable "$cfg" enable 1
 		config_get download_url "$cfg" download_url
 
 		if [ "${enable}" -eq 0 ]; then
-			# bundle is disabled
+			log_info "Skipping bundle ${name} not enabled"
 			return 0
 		fi
 
@@ -282,6 +307,6 @@ handle_filter_for_bundles() {
 # Open file descriptor 200 for locking
 exec 200>"$LOCKFILE"
 # Try to acquire an exclusive lock; exit if another instance is running
-flock -n 200 || { logger -p info "sync_bundles.sh is already running, exiting."; exit 1; }
+flock -n 200 || { log_info "sync_bundles.sh is already running, exiting."; exit 1; }
 
 handle_filter_for_bundles