#!/bin/sh /etc/rc.common
# Copyright 2017-2022 Stan Grishin (stangri@melmac.ca)
# shellcheck disable=SC1091,SC2016,SC3043,SC3057,SC3060
# shellcheck disable=SC2034
START=94
# shellcheck disable=SC2034
USE_PROCD=1
LC_ALL=C
if type extra_command 1>/dev/null 2>&1; then
extra_command 'allow' 'Allows domain in current block-list and config'
extra_command 'check' 'Checks if specified domain is found in current block-list'
extra_command 'dl' 'Force-downloads all enabled block-list'
extra_command 'killcache' 'Delete all cached files'
extra_command 'sizes' 'Displays the file-sizes of enabled block-lists'
extra_command 'version' 'Show version information'
else
# shellcheck disable=SC2034
EXTRA_COMMANDS='allow check dl killcache sizes status_service version'
# shellcheck disable=SC2034
EXTRA_HELP=' allow Allows domain(s) in current block-list and config
check Checks if specified domain is found in current block-list
dl Force-downloads all enabled block-list
sizes Displays the file-sizes of enabled block-lists'
fi
readonly PKG_VERSION='dev-test'
readonly packageName='simple-adblock'
readonly serviceName="$packageName $PKG_VERSION"
readonly packageConfigFile="/etc/config/${packageName}"
readonly dnsmasqAddnhostsFile="/var/run/${packageName}/dnsmasq.addnhosts"
readonly dnsmasqAddnhostsCache="/var/run/${packageName}/dnsmasq.addnhosts.cache"
readonly dnsmasqAddnhostsGzip="/etc/${packageName}.dnsmasq.addnhosts.gz"
readonly dnsmasqAddnhostsFilter='s|^|127.0.0.1 |;s|$||'
readonly dnsmasqAddnhostsFilterIPv6='s|^|:: |;s|$||'
readonly dnsmasqConfFile="/tmp/dnsmasq.d/${packageName}"
readonly dnsmasqConfCache="/var/run/${packageName}/dnsmasq.conf.cache"
readonly dnsmasqConfGzip="/etc/${packageName}.dnsmasq.conf.gz"
readonly dnsmasqConfFilter='s|^|local=/|;s|$|/|'
readonly dnsmasqIpsetFile="/tmp/dnsmasq.d/${packageName}.ipset"
readonly dnsmasqIpsetCache="/var/run/${packageName}/dnsmasq.ipset.cache"
readonly dnsmasqIpsetGzip="/etc/${packageName}.dnsmasq.ipset.gz"
readonly dnsmasqIpsetFilter='s|^|ipset=/|;s|$|/adb|'
readonly dnsmasqNftsetFile="/tmp/dnsmasq.d/${packageName}.nftset"
readonly dnsmasqNftsetCache="/var/run/${packageName}/dnsmasq.nftset.cache"
readonly dnsmasqNftsetGzip="/etc/${packageName}.dnsmasq.nftset.gz"
readonly dnsmasqNftsetFilter='s|^|nftset=/|;s|$|/4#inet#fw4#adb4|'
readonly dnsmasqNftsetFilterIPv6='s|^|nftset=/|;s|$|/4#inet#fw4#adb4,6#inet#fw4#adb6|'
readonly dnsmasqServersFile="/var/run/${packageName}/dnsmasq.servers"
readonly dnsmasqServersCache="/var/run/${packageName}/dnsmasq.servers.cache"
readonly dnsmasqServersGzip="/etc/${packageName}.dnsmasq.servers.gz"
readonly dnsmasqServersFilter='s|^|server=/|;s|$|/|'
readonly unboundFile="/var/lib/unbound/adb_list.${packageName}"
readonly unboundCache="/var/run/${packageName}/unbound.cache"
readonly unboundGzip="/etc/${packageName}.unbound.gz"
readonly unboundFilter='s|^|local-zone: "|;s|$|" static|'
readonly A_TMP="/var/${packageName}.hosts.a.tmp"
readonly B_TMP="/var/${packageName}.hosts.b.tmp"
readonly jsonFile="/var/run/${packageName}/${packageName}.json"
readonly sharedMemoryError="/dev/shm/$packageName-error"
readonly sharedMemoryOutput="/dev/shm/$packageName-output"
readonly hostsFilter='/localhost/d;/^#/d;/^[^0-9]/d;s/^0\.0\.0\.0.//;s/^127\.0\.0\.1.//;s/[[:space:]]*#.*$//;s/[[:cntrl:]]$//;s/[[:space:]]//g;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
readonly domainsFilter='/^#/d;s/[[:space:]]*#.*$//;s/[[:space:]]*$//;s/[[:cntrl:]]$//;/[[:space:]]/d;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
readonly dnsmasqOISDFilter='\|^server=/[[:alnum:]_.-].*/|!d'
readonly _OK_='\033[0;32m\xe2\x9c\x93\033[0m'
readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m'
readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m'
readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m'
readonly _ERROR_='\033[0;31mERROR\033[0m'
readonly _WARNING_='\033[0;33mWARNING\033[0m'
# shellcheck disable=SC2155
readonly ipset="$(command -v ipset)"
# shellcheck disable=SC2155
readonly nft="$(command -v nft)"
readonly canaryDomainsMozilla='use-application-dns.net'
readonly canaryDomainsiCloud='mask.icloud.com mask-h2.icloud.com'
debug() { local i j; for i in "$@"; do eval "j=\$$i"; echo "${i}: ${j} "; done; }
uci_add_list_if_new() {
local PACKAGE="$1"
local CONFIG="$2"
local OPTION="$3"
local VALUE="$4"
local i
[ -n "$PACKAGE" ] && [ -n "$CONFIG" ] && [ -n "$OPTION" ] && [ -n "$VALUE" ] || return 1
for i in $(uci_get "$PACKAGE" "$CONFIG" "$OPTION"); do
[ "$i" = "$VALUE" ] && return 0
done
uci_add_list "$PACKAGE" "$CONFIG" "$OPTION" "$VALUE"
}
uci_changes() {
local PACKAGE="$1"
local CONFIG="$2"
local OPTION="$3"
/sbin/uci ${UCI_CONFIG_DIR:+-c $UCI_CONFIG_DIR} changes "$PACKAGE${CONFIG:+.$CONFIG}${OPTION:+.$OPTION}"
}
ipset() { "$ipset" "$@" >/dev/null 2>&1; }
nft() { "$nft" "$@" >/dev/null 2>&1; }
get_text() {
local r
case "$1" in
errorConfigValidationFail) r="$packageName config validation failed";;
errorServiceDisabled) r="$packageName is currently disabled";;
errorNoDnsmasqIpset)
r="dnsmasq ipset support is enabled in $packageName, but dnsmasq is either not installed or installed dnsmasq does not support ipset";;
errorNoIpset)
r="dnsmasq ipset support is enabled in $packageName, but ipset is either not installed or installed ipset does not support 'hash:net' type";;
errorNoDnsmasqNftset)
r="dnsmasq nft set support is enabled in $packageName, but dnsmasq is either not installed or installed dnsmasq does not support nft set";;
errorNoNft) r="dnsmasq nft sets support is enabled in $packageName, but nft is not installed";;
errorMkdirFail) r="Unable to create directory for";;
errorNoWanGateway) r="The ${serviceName} service failed to discover WAN gateway!";;
errorOutputDirCreate) r="failed to create directory for %s file";;
errorOutputFileCreate) r="failed to create $outputFile file";;
errorFailDNSReload) r="failed to restart/reload DNS resolver";;
errorSharedMemory) r="failed to access shared memory";;
errorSorting) r="failed to sort data file";;
errorOptimization) r="failed to optimize data file";;
errorAllowListProcessing) r="failed to process allow-list";;
errorDataFileFormatting) r="failed to format data file";;
errorMovingDataFile) r="failed to move data file '${A_TMP}' to '${outputFile}'";;
errorCreatingCompressedCache) r="failed to create compressed cache";;
errorRemovingTempFiles) r="failed to remove temporary files";;
errorRestoreCompressedCache) r="failed to unpack compressed cache";;
errorRestoreCache) r="failed to move '$outputCache' to '$outputFile'";;
errorOhSnap) r="failed to create block-list or restart DNS resolver";;
errorStopping) r="failed to stop $serviceName";;
errorDNSReload) r="failed to reload/restart DNS resolver";;
errorDownloadingConfigUpdate) r="failed to download Config Update file";;
errorDownloadingList) r="failed to download";;
errorParsingConfigUpdate) r="failed to parse Config Update file";;
errorParsingList) r="failed to parse";;
errorNoSSLSupport) r="no HTTPS/SSL support on device";;
errorCreatingDirectory) r="failed to create output/cache/gzip file directory";;
statusNoInstall) r="$serviceName is not installed or not found";;
statusStopped) r="Stopped";;
statusStarting) r="Starting";;
statusRestarting) r="Restarting";;
statusForceReloading) r="Force Reloading";;
statusDownloading) r="Downloading";;
statusProcessing) r="Processing";;
statusError) r="Error";;
statusWarning) r="Warning";;
statusFail) r="Fail";;
statusSuccess) r="Success";;
warningExternalDnsmasqConfig)
r="use of external dnsmasq config file detected, please set 'dns' option to 'dnsmasq.conf'";;
warningMissingRecommendedPackages) r="Some recommended packages are missing";;
esac
echo "$r"
}
output_ok() { output 1 "$_OK_"; output 2 "$__OK__\\n"; }
output_okn() { output 1 "$_OK_\\n"; output 2 "$__OK__\\n"; }
output_fail() { output 1 "$_FAIL_"; output 2 "$__FAIL__\\n"; }
output_failn() { output 1 "$_FAIL_\\n"; output 2 "$__FAIL__\\n"; }
str_replace() { printf "%b" "$1" | sed -e "s/$(printf "%b" "$2")/$(printf "%b" "$3")/g"; }
str_contains() { test "$1" != "$(str_replace "$1" "$2" '')"; }
is_greater() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
is_greater_or_equal() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" = "$2"; }
is_chaos_calmer() { ubus -S call system board | grep -q 'Chaos Calmer'; }
led_on(){ if [ -n "${1}" ] && [ -e "${1}/trigger" ]; then echo 'default-on' > "${1}/trigger" 2>&1; fi; }
led_off(){ if [ -n "${1}" ] && [ -e "${1}/trigger" ]; then echo 'none' > "${1}/trigger" 2>&1; fi; }
dnsmasq_hup() { killall -q -s HUP dnsmasq; }
dnsmasq_kill() { killall -q -s KILL dnsmasq; }
dnsmasq_restart() { /etc/init.d/dnsmasq restart >/dev/null 2>&1; }
unbound_restart() { /etc/init.d/unbound restart >/dev/null 2>&1; }
is_present() { command -v "$1" >/dev/null 2>&1; }
output() {
# Can take a single parameter (text) to be output at any verbosity
# Or target verbosity level and text to be output at specifc verbosity
local msg memmsg logmsg
verbosity="${verbosity:-2}"
if [ $# -ne 1 ]; then
if [ $((verbosity & $1)) -gt 0 ] || [ "$verbosity" = "$1" ]; then shift; else return 0; fi
fi
[ -t 1 ] && printf "%b" "$1"
msg="${1//$serviceName /service }";
if [ "$(printf "%b" "$msg" | wc -l)" -gt 0 ]; then
[ -s "$sharedMemoryOutput" ] && memmsg="$(cat "$sharedMemoryOutput")"
logmsg="$(printf "%b" "${memmsg}${msg}" | sed 's/\x1b\[[0-9;]*m//g')"
logger -t "${packageName:-service} [$$]" "$(printf "%b" "$logmsg")"
rm -f "$sharedMemoryOutput"
else
printf "%b" "$msg" >> "$sharedMemoryOutput"
fi
}
load_environment() {
local i j wan_if wan_gw
local validation_result="$1" quiet="$2"
if [ "$validation_result" != '0' ]; then
json add error "errorConfigValidationFail"
output "${_ERROR_}: $(get_text 'errorConfigValidationFail')!\\n"
output "Please check if the '$packageConfigFile' contains correct values for config options.\\n"
return 1
fi
if [ "$enabled" -eq 0 ]; then
json add error "errorServiceDisabled"
output "${_ERROR_}: $(get_text 'errorServiceDisabled')!\\n"
output "Run the following commands before starting service again:\\n"
output "uci set ${packageName}.config.enabled='1'; uci commit $packageName;\\n"
return 1
fi
if [ "$debug" -ne 0 ]; then
exec 1>>/tmp/simple-adblock.log
exec 2>&1
set -x
fi
if [ -n "$dnsmasq_config_file_url" ]; then
case "$dns" in
dnsmasq.conf) :;;
*)
if [ -z "$quiet" ]; then
json add warning "warningExternalDnsmasqConfig"
output "${_WARNING_}: $(get_text 'warningExternalDnsmasqConfig')!\\n"
fi
;;
esac
fi
case "$dns" in
dnsmasq.addnhosts|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|dnsmasq.servers)
if dnsmasq -v 2>/dev/null | grep -q 'no-IDN' || ! dnsmasq -v 2>/dev/null | grep -q -w 'IDN'; then
allow_non_ascii=0
fi
;;
unbound.adb_list)
allow_non_ascii=1;;
esac
case "$dns" in
dnsmasq.ipset)
if dnsmasq -v 2>/dev/null | grep -q 'no-ipset' || ! dnsmasq -v 2>/dev/null | grep -q -w 'ipset'; then
if [ -z "$quiet" ]; then
json add error "errorNoDnsmasqIpset"
output "${_ERROR_}: $(get_text 'errorNoDnsmasqIpset')!\\n"
fi
dns='dnsmasq.servers'
fi
if ! ipset help hash:net; then
if [ -z "$quiet" ]; then
json add error "errorNoIpset"
output "${_ERROR_}: $(get_text 'errorNoIpset')!\\n"
fi
dns='dnsmasq.servers'
fi
;;
dnsmasq.nftset)
if dnsmasq -v 2>/dev/null | grep -q 'no-nftset' || ! dnsmasq -v 2>/dev/null | grep -q -w 'nftset'; then
if [ -z "$quiet" ]; then
json add error "errorNoDnsmasqNftset"
output "${_ERROR_}: $(get_text 'errorNoDnsmasqNftset')!\\n"
fi
dns='dnsmasq.servers'
fi
if [ -z "$nft" ]; then
if [ -z "$quiet" ]; then
json add error "errorNoNft"
output "${_ERROR_}: $(get_text 'errorNoNft')!\\n"
fi
dns='dnsmasq.servers'
fi
;;
esac
case "$dns" in
dnsmasq.addnhosts)
outputFilter="$dnsmasqAddnhostsFilter"
outputFile="$dnsmasqAddnhostsFile"
outputCache="$dnsmasqAddnhostsCache"
outputGzip="$dnsmasqAddnhostsGzip"
if [ "$ipv6_enabled" -ne 0 ]; then
outputFilterIPv6="$dnsmasqAddnhostsFilterIPv6"
fi
rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "$dnsmasqConfGzip"
rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "$dnsmasqIpsetGzip"
rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "$dnsmasqNftsetGzip"
rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "$dnsmasqServersGzip"
rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
;;
dnsmasq.conf)
outputFilter="$dnsmasqConfFilter"
outputFile="$dnsmasqConfFile"
outputCache="$dnsmasqConfCache"
outputGzip="$dnsmasqConfGzip"
rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "$dnsmasqAddnhostsGzip"
rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "$dnsmasqIpsetGzip"
rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "$dnsmasqNftsetGzip"
rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "$dnsmasqServersGzip"
rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
;;
dnsmasq.ipset)
outputFilter="$dnsmasqIpsetFilter"
outputFile="$dnsmasqIpsetFile"
outputCache="$dnsmasqIpsetCache"
outputGzip="$dnsmasqIpsetGzip"
rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "$dnsmasqAddnhostsGzip"
rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "$dnsmasqConfGzip"
rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "$dnsmasqNftsetGzip"
rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "$dnsmasqServersGzip"
rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
;;
dnsmasq.nftset)
if [ "$ipv6_enabled" -ne 0 ]; then
outputFilter="$dnsmasqNftsetFilterIPv6"
else
outputFilter="$dnsmasqNftsetFilter"
fi
outputFile="$dnsmasqNftsetFile"
outputCache="$dnsmasqNftsetCache"
outputGzip="$dnsmasqNftsetGzip"
rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "$dnsmasqAddnhostsGzip"
rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "$dnsmasqConfGzip"
rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "$dnsmasqIpsetGzip"
rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "$dnsmasqServersGzip"
rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
;;
dnsmasq.servers)
outputFilter="$dnsmasqServersFilter"
outputFile="$dnsmasqServersFile"
outputCache="$dnsmasqServersCache"
outputGzip="$dnsmasqServersGzip"
rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "$dnsmasqAddnhostsGzip"
rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "$dnsmasqConfGzip"
rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "$dnsmasqIpsetGzip"
rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "$dnsmasqNftsetGzip"
rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
;;
unbound.adb_list)
outputFilter="$unboundFilter"
outputFile="$unboundFile"
outputCache="$unboundCache"
outputGzip="$unboundGzip"
rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "$dnsmasqAddnhostsGzip"
rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "$dnsmasqConfGzip"
rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "$dnsmasqIpsetGzip"
rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "$dnsmasqNftsetGzip"
rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "$dnsmasqServersGzip"
;;
esac
for i in "$outputFile" "$outputCache" "$outputGzip"; do
if ! mkdir -p "$(dirname "$i")"; then
json add error "errorOutputDirCreate" "$i"
output "${_ERROR_}: $(get_text 'errorMkdirFail' "$i")!\\n"
fi
done
. /lib/functions/network.sh
. /usr/share/libubox/jshn.sh
is_present 'gawk' && awk='gawk'
if ! is_present '/usr/libexec/grep-gnu' || ! is_present '/usr/libexec/sed-gnu' || \
! is_present '/usr/libexec/sort-coreutils' || ! is_present 'gawk'; then
local s="opkg update; opkg --force-overwrite install"
is_present 'gawk' || s="$s gawk"
is_present '/usr/libexec/grep-gnu' || s="$s grep"
is_present '/usr/libexec/sed-gnu' || s="$s sed"
is_present '/usr/libexec/sort-coreutils' || s="$s coreutils-sort"
if [ -z "$quiet" ]; then
json add warning "errorOutputFileCreate" "${i}"
output "${_WARNING_}: $(get_text 'warningMissingRecommendedPackages'), install them by running:\\n"
output "$s;\\n"
fi
fi
# Prefer curl because it supports the file:// scheme.
if is_present 'curl'; then
dl_command="curl --silent --insecure"
dl_command="${dl_command}${curl_max_file_size:+ --max-filesize $curl_max_file_size}"
dl_command="${dl_command}${curl_retry:+ --retry $curl_retry}"
dl_command="${dl_command}${download_timeout:+ --connect-timeout $download_timeout}"
dl_flag="-o"
elif is_present '/usr/libexec/wget-ssl'; then
dl_command="/usr/libexec/wget-ssl --no-check-certificate -q"
dl_command="${dl_command}${download_timeout:+ --timeout $download_timeout}"
dl_flag="-O"
elif is_present wget && wget --version 2>/dev/null | grep -q "+https"; then
dl_command="wget --no-check-certificate -q"
dl_command="${dl_command}${download_timeout:+ --timeout $download_timeout}"
dl_flag="-O"
else
dl_command="uclient-fetch --no-check-certificate -q"
dl_command="${dl_command}${download_timeout:+ --timeout $download_timeout}"
dl_flag="-O"
fi
led="${led:+/sys/class/leds/$led}"
if curl --version 2>/dev/null | grep -q "https" \
|| wget --version 2>/dev/null | grep -q "+https" \
|| grep -q "libustream-mbedtls" /usr/lib/opkg/status \
|| grep -q "libustream-openssl" /usr/lib/opkg/status \
|| grep -q "libustream-wolfssl" /usr/lib/opkg/status; then
isSSLSupported=1
else
unset isSSLSupported
fi
cache 'test' && return 0
cache 'test_gzip' && return 0
network_flush_cache; network_find_wan wan_if; network_get_gateway wan_gw "$wan_if";
[ -n "$wan_gw" ] && return 0
json add error "errorNoWanGateway"
output "${_ERROR_}: $(get_text 'errorNoWanGateway')!\\n"; return 1;
}
resolver() {
local cfg="$1" param="$2"
case "$param" in
dnsmasq.addnhosts)
if [ "$(uci_get 'dhcp' "$cfg" 'serversfile')" = "$dnsmasqServersFile" ]; then
uci_remove 'dhcp' "$cfg" 'serversfile'
fi
uci_add_list_if_new 'dhcp' "$cfg" 'addnhosts' "$dnsmasqAddnhostsFile"
;;
cleanup|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|unbound.adb_list)
uci_remove_list 'dhcp' "$cfg" 'addnhosts' "$dnsmasqAddnhostsFile"
if [ "$(uci_get 'dhcp' "$cfg" 'serversfile')" = "$dnsmasqServersFile" ]; then
uci_remove 'dhcp' "$cfg" 'serversfile'
fi
;;
dnsmasq.servers)
uci_remove_list 'dhcp' "$cfg" 'addnhosts' "$dnsmasqAddnhostsFile"
if [ "$(uci_get 'dhcp' "$cfg" 'serversfile')" != "$dnsmasqServersFile" ]; then
uci_set 'dhcp' "$cfg" 'serversfile' "$dnsmasqServersFile"
fi
;;
esac
}
dns() {
local param output_text i
case $1 in
on_start)
if [ ! -s "$outputFile" ]; then
json set status "statusFail"
json add error "errorOutputFileCreate"
output "${_ERROR_}: $(get_text 'errorOutputFileCreate')!\\n"
return 1
fi
config_load 'dhcp'
if [ "$dns_instance" = "*" ]; then
config_foreach resolver 'dnsmasq' "$dns"
elif [ -n "$dns_instance" ]; then
for i in $dns_instance; do
resolver "@dnsmasq[$i]" "$dns" || resolver "$i" "$dns"
done
fi
case "$dns" in
dnsmasq.addnhosts|dnsmasq.servers)
param=dnsmasq_restart
output_text='Reloading dnsmasq'
;;
dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset)
param=dnsmasq_restart
output_text='Restarting dnsmasq'
;;
unbound.adb_list)
param=unbound_restart
output_text='Restarting Unbound'
;;
esac
if [ -n "$(uci_changes dhcp)" ]; then
uci_commit dhcp
if [ "$param" = 'unbound_restart' ]; then
param='dnsmasq_restart; unbound_restart;'
output_text='Restarting Unbound/dnsmasq'
else
param=dnsmasq_restart
output_text='Restarting dnsmasq'
fi
fi
output 1 "$output_text "
output 2 "$output_text "
json set message "$output_text"
if eval "$param"; then
json set status "statusSuccess"
led_on "$led"
output_okn
else
output_fail
json set status "statusFail"
json add error "errorDNSReload"
output "${_ERROR_}: $(get_text 'errorDNSReload')!\\n"
return 1
fi
;;
on_stop)
case "$dns" in
dnsmasq.addnhosts|dnsmasq.servers)
param=dnsmasq_restart
;;
dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset)
param=dnsmasq_restart
;;
unbound.adb_list)
param=unbound_restart
;;
esac
if [ -n "$(uci_changes dhcp)" ]; then
uci_commit dhcp
if [ "$param" = 'unbound_restart' ]; then
param='dnsmasq_restart; unbound_restart;'
else
param=dnsmasq_restart
fi
fi
eval "$param"
return $?
;;
quiet)
case "$dns" in
dnsmasq.addnhosts|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|dnsmasq.servers)
param=dnsmasq_restart
;;
unbound.adb_list)
param=unbound_restart
;;
esac
eval "$param"
return $?
;;
esac
}
json() {
# shellcheck disable=SC2034
local action="$1" param="$2" value="$3"
shift 3
# shellcheck disable=SC2124
local extras="$@" line
local status message error stats
local reload restart curReload curRestart ret i
if [ -s "$jsonFile" ]; then
json_load_file "$jsonFile" 2>/dev/null
json_select 'data' 2>/dev/null
for i in status message error stats reload restart; do
json_get_var $i "$i" 2>/dev/null
done
fi
case "$action" in
get)
case "$param" in
triggers)
curReload="$parallel_downloads $debug $download_timeout $allowed_domain $blocked_domain $allowed_domains_url \
$blocked_domains_url $blocked_hosts_url $dns $config_update_enabled $config_update_url \
$dnsmasq_config_file_url $curl_max_file_size $curl_retry"
curRestart="$compressed_cache $force_dns $led $force_dns_port"
if [ ! -s "$jsonFile" ]; then
ret='on_boot'
elif [ "$curReload" != "$reload" ]; then
ret='download'
elif [ "$curRestart" != "$restart" ]; then
ret='restart'
fi
printf "%b" "$ret"
return;;
*)
printf "%b" "$(eval echo "\$$param")"; return;;
esac
;;
add)
line="$(eval echo "\$$param")"
eval "$param"='${line:+$line }${value}${extras:+|$extras}'
;;
del)
case "$param" in
all)
unset status message error stats;;
triggers)
unset reload restart;;
*)
unset "$param";;
esac
;;
set)
case "$param" in
triggers)
reload="$parallel_downloads $debug $download_timeout $allowed_domain $blocked_domain $allowed_domains_url \
$blocked_domains_url $blocked_hosts_url $dns $config_update_enabled $config_update_url \
$dnsmasq_config_file_url $curl_max_file_size $curl_retry"
restart="$compressed_cache $force_dns $led $force_dns_port"
;;
*)
eval "$param"='${value}${extras:+|$extras}';;
esac
;;
esac
json_init
json_add_object 'data'
json_add_string version "$PKG_VERSION"
json_add_string status "$status"
json_add_string message "$message"
json_add_string error "$error"
json_add_string stats "$stats"
json_add_string reload "$reload"
json_add_string restart "$restart"
json_close_object
json_dump > "$jsonFile"
sync
}
cache() {
local R_TMP
case "$1" in
create|backup)
[ -s "$outputFile" ] && { mv -f "$outputFile" "$outputCache"; true > "$outputFile"; } >/dev/null 2>/dev/null
return $?
;;
restore|use)
[ -s "$outputCache" ] && mv "$outputCache" "$outputFile" >/dev/null 2>/dev/null
return $?
;;
test)
[ -s "$outputCache" ]
return $?
;;
test_gzip)
[ -s "$outputGzip" ] && gzip -t -c "$outputGzip"
return $?
;;
create_gzip)
rm -f "$outputGzip" >/dev/null 2>/dev/null
R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
if gzip < "$outputFile" > "$R_TMP"; then
if mv "$R_TMP" "$outputGzip"; then
rm -f "$R_TMP"
return 0
else
rm -f "$R_TMP"
return 1
fi
else
return 1
fi
;;
expand|unpack|unpack_gzip)
[ -s "$outputGzip" ] && gzip -dc < "$outputGzip" > "$outputCache"
return $?
;;
esac
}
process_url() {
local label type D_TMP R_TMP
if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then return 1; fi
label="${1##*//}"; label="${label%%/*}";
case "$2" in
dnsmasq) label="Dnsmasq: $label"; filter="$dnsmasqOISDFilter";;
domains) label="Domains: $label"; filter="$domainsFilter";;
hosts) label="Hosts: $label"; filter="$hostsFilter";;
esac
case "$3" in
allowed) type='Allowed'; D_TMP="$A_TMP";;
blocked) type='Blocked'; D_TMP="$B_TMP";;
file) type='File'; D_TMP="$B_TMP";;
esac
if [ "${1:0:5}" = "https" ] && [ -z "$isSSLSupported" ]; then
output 1 "$_FAIL_"
output 2 "[DL] $type $label $__FAIL__\\n"
echo "errorNoSSLSupport|${1}" >> "$sharedMemoryError"
return 0
fi
while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
done
if ! $dl_command "$1" $dl_flag "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
output 1 "$_FAIL_"
output 2 "[DL] $type $label $__FAIL__\\n"
echo "errorDownloadingList|${1}" >> "$sharedMemoryError"
else
sed -i "$filter" "$R_TMP"
if [ ! -s "$R_TMP" ]; then
output 1 "$_FAIL_"
output 2 "[DL] $type $label $__FAIL__\\n"
echo "errorParsingList|${1}" >> "$sharedMemoryError"
else
cat "${R_TMP}" >> "$D_TMP"
output 1 "$_OK_"
output 2 "[DL] $type $label $__OK__\\n"
fi
fi
rm -f "$R_TMP"
return 0
}
download_dnsmasq_file() {
local hf allow_filter j=0 R_TMP
json set message "$(get_text "statusDownloading")..."
json set status "statusDownloading"
rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip"
if [ "$($awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
output 3 'Low free memory, restarting resolver '
if dns 'quiet'; then
output_okn
else
output_failn
fi
fi
touch $A_TMP; touch $B_TMP;
output 1 'Downloading dnsmasq file '
rm -f "$sharedMemoryError"
process_url "$dnsmasq_config_file_url" 'dnsmasq' 'file'
# output 1 '\n'
if [ -s "$sharedMemoryError" ]; then
while IFS= read -r line; do
json add error "$line"
done < "$sharedMemoryError"
rm -f "$sharedMemoryError"
fi
output 2 'Creating dnsmasq file '
if mv "$B_TMP" "$outputFile"; then
output 2 "$__OK__\\n"
else
output 2 "$__FAIL__\\n"
json add error "errorMovingDataFile"
fi
output 1 '\n'
}
download_lists() {
local hf allow_filter j=0 R_TMP
json set message "$(get_text "statusDownloading")..."
json set status "statusDownloading"
rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip"
if [ "$($awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
output 3 'Low free memory, restarting resolver '
if dns 'quiet'; then
output_okn
else
output_failn
fi
fi
touch $A_TMP; touch $B_TMP;
output 1 'Downloading lists '
rm -f "$sharedMemoryError"
for hf in ${blocked_hosts_url}; do
if [ "$parallel_downloads" -gt 0 ]; then
process_url "$hf" 'hosts' 'blocked' &
else
process_url "$hf" 'hosts' 'blocked'
fi
done
for hf in ${blocked_domains_url}; do
if [ "$parallel_downloads" -gt 0 ]; then
process_url "$hf" 'domains' 'blocked' &
else
process_url "$hf" 'domains' 'blocked'
fi
done
for hf in ${allowed_domains_url}; do
if [ "$parallel_downloads" -gt 0 ]; then
process_url "$hf" 'domains' 'allowed' &
else
process_url "$hf" 'domains' 'allowed'
fi
done
wait
output 1 '\n'
if [ -s "$sharedMemoryError" ]; then
while IFS= read -r line; do
json add error "$line"
done < "$sharedMemoryError"
rm -f "$sharedMemoryError"
fi
if [ "$canary_domains_icloud" -ne 0 ]; then
canaryDomains="${canaryDomains:+$canaryDomains }${canaryDomainsiCloud}"
fi
if [ "$canary_domains_mozilla" -ne 0 ]; then
canaryDomains="${canaryDomains:+$canaryDomains }${canaryDomainsMozilla}"
fi
for hf in $blocked_domain $canaryDomains; do echo "$hf" | sed "$domainsFilter" >> $B_TMP; done
allowed_domain="${allowed_domain}
$(cat $A_TMP)"
for hf in ${allowed_domain}; do hf="$(echo "$hf" | sed 's/\./\\./g')"; allow_filter="$allow_filter/^(.*\.)?${hf}$/d;"; done
[ ! -s "$B_TMP" ] && return 1
output 1 'Processing downloads '
output 2 'Sorting combined list '
json set status "statusProcessing"
json set message "$(get_text "statusProcessing"): sorting combined list"
if [ "$allow_non_ascii" -gt 0 ]; then
if sort -u "$B_TMP" > "$A_TMP"; then
output_ok
else
output_failn
json add error "errorSorting"
fi
else
if sort -u "$B_TMP" | grep -E -v '[^a-zA-Z0-9=/.-]' > "$A_TMP"; then
output_ok
else
output_failn
json add error "errorSorting"
fi
fi
if [ "$dns" = 'dnsmasq.conf' ] || \
[ "$dns" = 'dnsmasq.ipset' ] || \
[ "$dns" = 'dnsmasq.nftset' ] || \
[ "$dns" = 'dnsmasq.servers' ] || \
[ "$dns" = 'unbound.adb_list' ]; then
# TLD optimization written by Dirk Brenken (dev@brenken.org)
output 2 'Optimizing combined list '
json set message "$(get_text "statusProcessing"): optimizing combined list"
# sed -E 'G;:t;s/(.*)(\.)(.*)(\n)(.*)/\1\4\5\2\3/;tt;s/(.*)\n(\.)(.*)/\3\2\1/' is actually slower than command below
if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$A_TMP" > "$B_TMP"; then
if sort "$B_TMP" > "$A_TMP"; then
if $awk '{if(NR=1){tld=$NF};while(getline){if($NF!~tld"\\."){print tld;tld=$NF}}print tld}' "$A_TMP" > "$B_TMP"; then
if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$B_TMP" > "$A_TMP"; then
if sort -u "$A_TMP" > "$B_TMP"; then
output_ok
else
output_failn
json add error "errorOptimization"
mv "$A_TMP" "$B_TMP"
fi
else
output_failn
json add error "errorOptimization"
fi
else
output_failn
json add error "errorOptimization"
mv "$A_TMP" "$B_TMP"
fi
else
output_failn
json add error "errorOptimization"
fi
else
output_failn
json add error "errorOptimization"
mv "$A_TMP" "$B_TMP"
fi
else
mv "$A_TMP" "$B_TMP"
fi
output 2 'Allowing domains '
json set message "$(get_text "statusProcessing"): allowing domains"
if sed -i -E "$allow_filter" "$B_TMP"; then
output_ok
else
output_failn
json add error "errorAllowListProcessing"
fi
output 2 'Formatting merged file '
json set message "$(get_text "statusProcessing"): formatting merged file"
if [ -z "$outputFilterIPv6" ]; then
if sed "$outputFilter" "$B_TMP" > "$A_TMP"; then
output_ok
else
output_failn
json add error "errorDataFileFormatting"
fi
else
case "$dns" in
dnsmasq.addnhosts)
if sed "$outputFilter" "$B_TMP" > "$A_TMP" && \
sed "$outputFilterIPv6" "$B_TMP" >> "$A_TMP"; then
output_ok
else
output_failn
json add error "errorDataFileFormatting"
fi
;;
esac
fi
case "$dns" in
dnsmasq.addnhosts)
output 2 'Creating dnsmasq addnhosts file '
json set message "$(get_text "statusProcessing"): creating dnsmasq addnhosts file"
;;
dnsmasq.conf)
output 2 'Creating dnsmasq config file '
json set message "$(get_text "statusProcessing"): creating dnsmasq config file"
;;
dnsmasq.ipset)
output 2 'Creating dnsmasq ipset file '
json set message "$(get_text "statusProcessing"): creating dnsmasq ipset file"
;;
dnsmasq.nftset)
output 2 'Creating dnsmasq nft set file '
json set message "$(get_text "statusProcessing"): creating dnsmasq nft set file"
;;
dnsmasq.servers)
output 2 'Creating dnsmasq servers file '
json set message "$(get_text "statusProcessing"): creating dnsmasq servers file"
;;
unbound.adb_list)
output 2 'Creating Unbound adb_list file '
json set message "$(get_text "statusProcessing"): creating Unbound adb_list file"
;;
esac
if mv "$A_TMP" "$outputFile"; then
output_ok
else
output_failn
json add error "errorMovingDataFile"
fi
if [ "$compressed_cache" -gt 0 ]; then
output 2 'Creating compressed cache '
json set message "$(get_text "statusProcessing"): creating compressed cache"
if cache 'create_gzip'; then
output_ok
else
output_failn
json add error "errorCreatingCompressedCache"
fi
else
rm -f "$outputGzip"
fi
output 2 'Removing temporary files '
json set message "$(get_text "statusProcessing"): removing temporary files"
rm -f "/tmp/${packageName}_tmp.*" "$A_TMP" "$B_TMP" "$outputCache" || j=1
if [ $j -eq 0 ]; then
output_ok
else
output_failn
json add error "errorRemovingTempFiles"
fi
output 1 '\n'
}
adb_allow() {
local c hf string="$1"
local validation_result="$3"
load_environment "$validation_result" 'quiet' || return 1
if [ ! -s "$outputFile" ]; then
output "No block-list ('$outputFile') found.\\n"
return 0
elif [ -z "$string" ]; then
output "Usage: /etc/init.d/${packageName} allow 'domain' ...\\n"
return 0
elif [ -n "$dnsmasq_config_file_url" ]; then
output "Allowing individual domains is not possible when using external dnsmasq config file.\\n"
return 0
fi
case "$dns" in
dnsmasq.addnhosts|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|dnsmasq.servers)
output 1 "Allowing domain(s) and restarting dnsmasq "
output 2 "Allowing domain(s) \\n"
for c in $string; do
output 2 " $c "
hf="$(echo "$c" | sed 's/\./\\./g')"
if sed -i "/^${hf}$/d;/\.${hf}$/d;" "$outputFile" && \
uci_add_list_if_new "${packageName}" 'config' 'allowed_domain' "$c"; then
output_ok
else
output_fail
fi
done
if [ "$compressed_cache" -gt 0 ]; then
output 2 'Creating compressed cache '
if cache 'create_gzip'; then
output_ok
else
output_failn
fi
fi
output 2 "Committing changes to config "
if [ -n "$(uci_changes "$packageName")" ] && uci_commit "$packageName"; then
allowed_domain="$(uci_get "$packageName" 'config' 'allowed_domain')"
json set triggers
json set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${dns})"
output_ok;
if [ "$dns" = 'dnsmasq.ipset' ]; then
output 2 "Flushing adb ipset "
if ipset -q -! flush adb; then output_ok; else output_fail; fi
fi
if [ "$dns" = 'dnsmasq.nftset' ]; then
output 2 "Flushing adb nft sets "
nft flush set inet fw4 adb6
if nft flush set inet fw4 adb4; then output_ok; else output_fail; fi
fi
output 2 "Restarting dnsmasq "
if dnsmasq_restart; then output_okn; else output_failn; fi
else
output_fail;
fi
;;
unbound.adb_list)
output 1 "Allowing domain(s) and restarting Unbound "
output 2 "Allowing domain(s) \\n"
for c in $string; do
output 2 " $c "
if sed -i "/${string}/d" "$outputFile" && \
uci_add_list_if_new "$packageName" 'config' 'allowed_domain' "$string"; then
output_ok
else
output_fail
fi
done
if [ "$compressed_cache" -gt 0 ]; then
output 2 'Creating compressed cache '
if cache 'create_gzip'; then
output_ok
else
output_failn
fi
fi
output 2 "Committing changes to config "
if [ -n "$(uci_changes "$packageName")" ] && uci_commit "$packageName"; then
allowed_domain="$(uci_get "$packageName" 'config' 'allowed_domain')"
json set triggers
json set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${dns})"
output_ok;
output 2 "Restarting Unbound "
if unbound_restart; then output_okn; else output_failn; fi
else
output_fail;
fi
;;
esac
}
adb_check() {
local c param="$1"
local validation_result="$3"
load_environment "$validation_result" 'quiet' || return 1
if [ ! -s "$outputFile" ]; then
output "No block-list ('$outputFile') found.\\n"
return 0
elif [ -z "$param" ]; then
output "Usage: /etc/init.d/${packageName} check 'domain' ...\\n"
return 0
fi
for string in ${param}; do
c="$(grep -c "$string" "$outputFile")"
if [ "$c" -gt 0 ]; then
if [ "$c" -eq 1 ]; then
output "Found 1 match for '$string' in '$outputFile'.\\n"
else
output "Found $c matches for '$string' in '$outputFile'.\\n"
fi
if [ "$c" -le 20 ]; then
case "$dns" in
dnsmasq.addnhosts)
grep "$string" "$outputFile" | sed 's|^127.0.0.1 ||;s|^:: ||;';;
dnsmasq.conf)
grep "$string" "$outputFile" | sed 's|local=/||;s|/$||;';;
dnsmasq.ipset)
grep "$string" "$outputFile" | sed 's|ipset=/||;s|/adb$||;';;
dnsmasq.nftset)
grep "$string" "$outputFile" | sed 's|nftset=/||;s|/4#inet#adb#adb4||;';;
dnsmasq.servers)
grep "$string" "$outputFile" | sed 's|server=/||;s|/$||;';;
unbound.adb_list)
grep "$string" "$outputFile" | sed 's|^local-zone: "||;s|" static$||;';;
esac
fi
else
output "The '$string' is not found in current block-list ('$outputFile').\\n"
fi
done
}
adb_config_update() {
local R_TMP label
local param="$1" validation_result="$3"
load_environment "$validation_result" 'quiet' || return 1
label="${config_update_url##*//}"
label="${label%%/*}";
[ "$config_update_enabled" -ne 0 ] || return 0
if [ "$param" != 'download' ]; then
cache 'test' && return 0
cache 'test_gzip' && return 0
fi
output 1 'Updating config '
while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
done
if ! $dl_command "$config_update_url" $dl_flag "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
output 1 "$_FAIL_\\n"
output 2 "[DL] Config Update: $label $__FAIL__\\n"
json add error "errorDownloadingConfigUpdate"
else
if [ -s "$R_TMP" ] && sed -f "$R_TMP" -i "$packageConfigFile" 2>/dev/null; then
output 1 "$_OK_\\n"
output 2 "[DL] Config Update: $label $__OK__\\n"
else
output 1 "$_FAIL_\\n"
output 2 "[DL] Config Update: $label $__FAIL__\\n"
json add error "errorParsingConfigUpdate"
fi
fi
rm -f "$R_TMP"
return 0
}
adb_sizes() {
local i
local validation_result="$3"
load_environment "$validation_result" 'quiet' || return 1
echo "# $(date)"
for i in $blocked_domains_url; do
[ "${i//melmac}" != "$i" ] && continue
if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
if is_greater "$(du -sk /tmp/sast)" "500"; then
echo "# block-list too big for most routers"
elif is_greater "$(du -sk /tmp/sast)" "100"; then
echo "# block-list may be too big for some routers"
fi
rm -rf /tmp/sast
echo " list blocked_domains_url '$i'"
echo ""
else
echo "# site was down on last check"
echo "# list blocked_domains_url '$i'"
echo ""
fi
done
for i in $blocked_hosts_url; do
if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
if is_greater "$(du -sk /tmp/sast)" "500"; then
echo "# block-list too big for most routers"
elif is_greater "$(du -sk /tmp/sast)" "100"; then
echo "# block-list may be too big for some routers"
fi
rm -rf /tmp/sast
echo " list blocked_hosts_url '$i'"
echo ""
else
echo "# site was down on last check"
echo "# list blocked_hosts_url '$i'"
echo ""
fi
done
}
adb_start() {
local action status error message stats c
local validation_result="$3"
load_environment "$validation_result" || return 1
status="$(json get status)"
error="$(json get error)"
message="$(json get message)"
stats="$(json get stats)"
action="$(json get triggers)"
if [ "$action" = 'on_boot' ] || [ "$1" = 'on_boot' ]; then
if cache 'test_gzip' || cache 'test'; then
action='restore'
else
action='download'
fi
elif [ "$action" = 'download' ] || [ "$1" = 'download' ] || [ -n "$error" ]; then
action='download'
elif [ ! -s "$outputFile" ]; then
if cache 'test_gzip' || cache 'test'; then
action='restore'
else
action='download'
fi
elif [ "$action" = 'restart' ] || [ "$1" = 'restart' ]; then
action='restart'
elif [ -s "$outputFile" ] && [ "$status" = "statusSuccess" ] && [ -z "$error" ]; then
status_service
return 0
else
action='download'
fi
json del all
json set triggers
if [ "$action" = 'restore' ]; then
output 0 "Starting $serviceName... "
output 3 "Starting $serviceName...\\n"
json set status "statusStarting"
if cache 'test_gzip' && ! cache 'test' && [ ! -s "$outputFile" ]; then
output 3 'Found compressed cache file, unpacking it '
json set message 'found compressed cache file, unpacking it.'
if cache 'unpack_gzip'; then
output_okn
else
output_failn
json add error "errorRestoreCompressedCache"
output "${_ERROR_}: $(get_text 'errorRestoreCompressedCache')!\\n"
action='download'
fi
fi
if cache 'test' && [ ! -s "$outputFile" ]; then
output 3 'Found cache file, reusing it '
json set message 'found cache file, reusing it.'
if cache 'restore'; then
output_okn
dns 'on_start'
else
output_failn
json add error "errorRestoreCache"
output "${_ERROR_}: $(get_text 'errorRestoreCache')!\\n"
action='download'
fi
fi
fi
if [ "$action" = 'download' ]; then
if [ -s "$outputFile" ] || cache 'test' || cache 'test_gzip'; then
output 0 "Force-reloading $serviceName... "
output 3 "Force-reloading $serviceName...\\n"
json set status "statusForceReloading"
else
output 0 "Starting $serviceName... "
output 3 "Starting $serviceName...\\n"
json set status "statusStarting"
fi
if [ -n "$dnsmasq_config_file_url" ]; then
download_dnsmasq_file
else
download_lists
fi
dns 'on_start'
fi
if [ "$action" = 'restart' ]; then
output 0 "Restarting $serviceName... "
output 3 "Restarting $serviceName...\\n"
json set status "statusRestarting"
dns 'on_start'
fi
if [ "$action" = 'start' ]; then
output 0 "Starting $serviceName... "
output 3 "Starting $serviceName...\\n"
json set status "statusStarting"
dns 'on_start'
fi
if [ -s "$outputFile" ] && [ "$(json get status)" != "statusFail" ]; then
output 0 "$__OK__\\n";
json del message
json set status "statusSuccess"
json set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${dns})"
status_service
else
output 0 "$__FAIL__\\n";
json set status "statusFail"
json add error "errorOhSnap"
status_service
fi
procd_open_instance 'main'
procd_set_param command /bin/true
procd_set_param stdout 1
procd_set_param stderr 1
procd_open_data
json_add_string 'status' "$(json get status)"
json_add_string 'errors' "$(json get errors)"
json_add_int 'entries' "$(wc -l < "$outputFile")"
json_add_array firewall
if [ "$force_dns" -ne 0 ]; then
for c in $force_dns_port; do
if netstat -tuln | grep LISTEN | grep ":${c}" >/dev/null 2>&1; then
json_add_object ""
json_add_string type redirect
json_add_string target DNAT
json_add_string src lan
json_add_string proto "tcp udp"
json_add_string src_dport "$c"
json_add_string dest_port "$c"
json_add_boolean reflection 0
json_close_object
else
json_add_object ""
json_add_string type rule
json_add_string src lan
json_add_string dest "*"
json_add_string proto "tcp udp"
json_add_string dest_port "$c"
json_add_string target REJECT
json_close_object
fi
done
fi
case "$dns" in
dnsmasq.ipset)
json_add_object ""
json_add_string type ipset
json_add_string name adb
json_add_string match dest_net
json_add_string storage hash
json_close_object
json_add_object ""
json_add_string type rule
json_add_string ipset adb
json_add_string src lan
json_add_string dest "*"
json_add_string proto "tcp udp"
json_add_string target REJECT
json_close_object
;;
dnsmasq.nftset)
json_add_object ""
json_add_string type ipset
json_add_string name adb4
json_add_string family 4
json_add_string match dest_net
json_close_object
json_add_object ""
json_add_string type rule
json_add_string ipset adb4
json_add_string src lan
json_add_string dest "*"
json_add_string proto "tcp udp"
json_add_string target REJECT
json_close_object
if [ "$ipv6_enabled" -ne 0 ]; then
json_add_object ""
json_add_string type ipset
json_add_string name adb6
json_add_string family 6
json_add_string match dest_net
json_close_object
json_add_object ""
json_add_string type rule
json_add_string ipset adb6
json_add_string src lan
json_add_string dest "*"
json_add_string proto "tcp udp"
json_add_string target REJECT
json_close_object
fi
;;
esac
json_close_array
procd_close_data
procd_close_instance
}
adb_status() {
local c url status message error stats
local validation_result="$3"
load_environment "$validation_result" 'quiet' || return 1
status="$(json get status)"
message="$(json get message)"
error="$(json get error)"
stats="$(json get stats)"
if [ "$status" = "statusSuccess" ]; then
output "$stats "; output_okn;
else
[ -n "$status" ] && status="$(get_text "$status")"
if [ -n "$status" ] && [ -n "$message" ]; then
status="${status}: $message"
fi
[ -n "$status" ] && output "$serviceName $status\\n"
fi
if [ -n "$error" ]; then
for c in $error; do
url="${c##*|}"
c="${c%|*}"
case "$c" in
errorDownloadingList|errorParsingList)
output "${_ERROR_}: $(get_text "$c") $url!\\n";;
*)
output "${_ERROR_}: $(get_text "$c")!\\n";;
esac
n=$((n+1))
done
fi
}
adb_stop() {
local validation_result="$3"
load_environment "$validation_result" 'quiet' || return 1
if [ -s "$outputFile" ]; then
output "Stopping $serviceName... "
cache 'create'
if dns 'on_stop'; then
ipset -q -! flush adb
ipset -q -! destroy adb
nft delete set inet fw4 adb4
nft delete set inet fw4 adb6
led_off "$led"
output 0 "$__OK__\\n"; output_okn;
json set status "statusStopped"
json del message
else
output 0 "$__FAIL__\\n"; output_fail;
json set status "statusFail"
json add error "errorStopping"
output "${_ERROR_}: $(get_text 'errorStopping')!\\n"
fi
fi
}
service_started() { procd_set_config_changed firewall; }
service_stopped() { procd_set_config_changed firewall; }
restart_service() { rc_procd start_service 'restart'; }
reload_service() { rc_procd start_service 'restart'; }
start_service() {
load_validate_config 'config' adb_config_update "'$*'"
load_validate_config 'config' adb_start "'$*'"
}
stop_service() { load_validate_config 'config' adb_stop "'$*'"; }
status_service() { load_validate_config 'config' adb_status "''"; }
service_triggers() {
local wan wan6 i
local procd_trigger_wan6
config_load "$packageName"
config_get_bool procd_trigger_wan6 'config' 'procd_trigger_wan6' '0'
. /lib/functions/network.sh
network_flush_cache
network_find_wan wan
wan="${wan:-wan}"
if [ "$procd_trigger_wan6" -ne 0 ]; then
network_find_wan6 wan6
wan6="${wan6:-wan6}"
fi
for i in "$wan" "$wan6"; do
[ -n "$i" ] && procd_add_interface_trigger "interface.*" "$i" "/etc/init.d/${packageName}" start
done
procd_add_config_trigger "config.change" "$packageName" "/etc/init.d/${packageName}" reload
}
allow() { load_validate_config 'config' adb_allow "'$*'"; }
check() { load_validate_config 'config' adb_check "'$*'"; }
dl() { rc_procd start_service 'download'; }
killcache() {
rm -f "$dnsmasqAddnhostsCache" "$dnsmasqAddnhostsGzip"
rm -f "$dnsmasqConfCache" "$dnsmasqConfGzip"
rm -f "$dnsmasqIpsetCache" "$dnsmasqIpsetGzip"
rm -f "$dnsmasqNftsetCache" "$dnsmasqNftsetGzip"
rm -f "$dnsmasqServersCache" "$dnsmasqServersGzip"
rm -f "$unboundCache" "$unboundGzip"
config_load 'dhcp'
config_foreach resolver 'dnsmasq' 'cleanup'
uci_commit 'dhcp'
return 0
}
sizes() { load_validate_config 'config' adb_sizes "''"; }
version() { echo "$PKG_VERSION"; }
load_validate_config() {
local dl_command
local dl_flag
local isSSLSupported
local outputFilter
local outputFilterIPv6
local outputFile
local outputGzip
local outputCache
local awk='awk'
local enabled
local force_dns
local force_dns_port
local parallel_downloads
local debug
local compressed_cache
local ipv6_enabled
local allow_non_ascii
local canary_domains_icloud
local canary_domains_mozilla
local config_update_enabled
local config_update_url
local boot_delay
local download_timeout
local curl_max_file_size
local curl_retry
local verbosity
local led
local dns
local dns_instance
local allowed_domain
local allowed_domains_url
local blocked_domain
local blocked_domains_url
local blocked_hosts_url
local dnsmasq_config_file_url
uci_load_validate "$packageName" "$packageName" "$1" "${2}${3:+ $3}" \
'enabled:bool:0' \
'force_dns:bool:1' \
'force_dns_port:list(integer):53 853' \
'parallel_downloads:bool:1' \
'debug:bool:0' \
'compressed_cache:bool:0' \
'ipv6_enabled:bool:0' \
'allow_non_ascii:bool:0' \
'canary_domains_icloud:bool:0' \
'canary_domains_mozilla:bool:0' \
'config_update_enabled:bool:0' \
'config_update_url:string:https://cdn.jsdelivr.net/gh/openwrt/packages/net/simple-adblock/files/simple-adblock.conf.update' \
'download_timeout:range(1,60):20' \
'curl_max_file_size:uinteger' \
'curl_retry:range(0,30):3' \
'verbosity:range(0,2):2' \
'procd_trigger_wan6:bool:0' \
'led:or("", "none", file, device, string)' \
'dns:or("dnsmasq.addnhosts", "dnsmasq.conf", "dnsmasq.ipset", "dnsmasq.nftset", "dnsmasq.servers", "unbound.adb_list"):dnsmasq.servers' \
'dns_instance:or(list(integer, string)):0' \
'allowed_domain:list(string)' \
'allowed_domains_url:list(string)' \
'blocked_domain:list(string)' \
'blocked_domains_url:list(string)' \
'blocked_hosts_url:list(string)' \
'dnsmasq_config_file_url:string'
}