net/simple-adblock/files/simple-adblock.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright 2017-2022 Stan Grishin (stangri@melmac.ca)
   3 # shellcheck disable=SC1091,SC2016,SC3043,SC3057,SC3060
   4
   5 # shellcheck disable=SC2034
   6 START=94
   7 # shellcheck disable=SC2034
   8 USE_PROCD=1
   9 LC_ALL=C
  10
  11 if type extra_command 1>/dev/null 2>&1; then
  12         extra_command 'allow' 'Allows domain in current block-list and config'
  13         extra_command 'check' 'Checks if specified domain is found in current block-list'
  14         extra_command 'dl' 'Force-downloads all enabled block-list'
  15         extra_command 'killcache' 'Delete all cached files'
  16         extra_command 'sizes' 'Displays the file-sizes of enabled block-lists'
  17         extra_command 'version' 'Show version information'
  18 else
  19 # shellcheck disable=SC2034
  20         EXTRA_COMMANDS='allow check dl killcache sizes status_service version'
  21 # shellcheck disable=SC2034
  22         EXTRA_HELP='    allow   Allows domain(s) in current block-list and config
  23         check   Checks if specified domain is found in current block-list
  24         dl      Force-downloads all enabled block-list
  25         sizes   Displays the file-sizes of enabled block-lists'
  26 fi
  27
  28 readonly PKG_VERSION='dev-test'
  29 readonly packageName='simple-adblock'
  30 readonly serviceName="$packageName $PKG_VERSION"
  31 readonly packageConfigFile="/etc/config/${packageName}"
  32 readonly dnsmasqAddnhostsFile="/var/run/${packageName}/dnsmasq.addnhosts"
  33 readonly dnsmasqAddnhostsCache="/var/run/${packageName}/dnsmasq.addnhosts.cache"
  34 readonly dnsmasqAddnhostsGzip="${packageName}.dnsmasq.addnhosts.gz"
  35 readonly dnsmasqAddnhostsFilter='s|^|127.0.0.1 |;s|$||'
  36 readonly dnsmasqAddnhostsFilterIPv6='s|^|:: |;s|$||'
  37 readonly dnsmasqConfFile="/tmp/dnsmasq.d/${packageName}"
  38 readonly dnsmasqConfCache="/var/run/${packageName}/dnsmasq.conf.cache"
  39 readonly dnsmasqConfGzip="${packageName}.dnsmasq.conf.gz"
  40 readonly dnsmasqConfFilter='s|^|local=/|;s|$|/|'
  41 readonly dnsmasqIpsetFile="/tmp/dnsmasq.d/${packageName}.ipset"
  42 readonly dnsmasqIpsetCache="/var/run/${packageName}/dnsmasq.ipset.cache"
  43 readonly dnsmasqIpsetGzip="${packageName}.dnsmasq.ipset.gz"
  44 readonly dnsmasqIpsetFilter='s|^|ipset=/|;s|$|/adb|'
  45 readonly dnsmasqNftsetFile="/tmp/dnsmasq.d/${packageName}.nftset"
  46 readonly dnsmasqNftsetCache="/var/run/${packageName}/dnsmasq.nftset.cache"
  47 readonly dnsmasqNftsetGzip="${packageName}.dnsmasq.nftset.gz"
  48 readonly dnsmasqNftsetFilter='s|^|nftset=/|;s|$|/4#inet#fw4#adb4|'
  49 readonly dnsmasqNftsetFilterIPv6='s|^|nftset=/|;s|$|/4#inet#fw4#adb4,6#inet#fw4#adb6|'
  50 readonly dnsmasqServersFile="/var/run/${packageName}/dnsmasq.servers"
  51 readonly dnsmasqServersCache="/var/run/${packageName}/dnsmasq.servers.cache"
  52 readonly dnsmasqServersGzip="${packageName}.dnsmasq.servers.gz"
  53 readonly dnsmasqServersFilter='s|^|server=/|;s|$|/|'
  54 readonly unboundFile="/var/lib/unbound/adb_list.${packageName}"
  55 readonly unboundCache="/var/run/${packageName}/unbound.cache"
  56 readonly unboundGzip="${packageName}.unbound.gz"
  57 readonly unboundFilter='s|^|local-zone: "|;s|$|" static|'
  58 readonly A_TMP="/var/${packageName}.hosts.a.tmp"
  59 readonly B_TMP="/var/${packageName}.hosts.b.tmp"
  60 readonly jsonFile="/var/run/${packageName}/${packageName}.json"
  61 readonly sharedMemoryError="/dev/shm/$packageName-error"
  62 readonly hostsFilter='/localhost/d;/^#/d;/^[^0-9]/d;s/^0\.0\.0\.0.//;s/^127\.0\.0\.1.//;s/[[:space:]]*#.*$//;s/[[:cntrl:]]$//;s/[[:space:]]//g;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
  63 readonly domainsFilter='/^#/d;s/[[:space:]]*#.*$//;s/[[:space:]]*$//;s/[[:cntrl:]]$//;/[[:space:]]/d;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
  64 readonly adBlockPlusFilter='/^#/d;/^!/d;s/[[:space:]]*#.*$//;s/^||//;s/\^$//;s/[[:space:]]*$//;s/[[:cntrl:]]$//;/[[:space:]]/d;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
  65 readonly dnsmasqFileFilter='\|^server=/[[:alnum:]_.-].*/|!d'
  66 readonly _OK_='\033[0;32m\xe2\x9c\x93\033[0m'
  67 readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m'
  68 readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m'
  69 readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m'
  70 readonly _ERROR_='\033[0;31mERROR\033[0m'
  71 readonly _WARNING_='\033[0;33mWARNING\033[0m'
  72 # shellcheck disable=SC2155
  73 readonly ipset="$(command -v ipset)"
  74 # shellcheck disable=SC2155
  75 readonly nft="$(command -v nft)"
  76 readonly canaryDomainsMozilla='use-application-dns.net'
  77 readonly canaryDomainsiCloud='mask.icloud.com mask-h2.icloud.com'
  78
  79 dl_command=
  80 dl_flag=
  81 isSSLSupported=
  82 outputFilter=
  83 outputFilterIPv6=
  84 outputFile=
  85 outputGzip=
  86 outputCache=
  87 awk='awk'
  88 load_environment_flag=
  89
  90 debug() { local i j; for i in "$@"; do eval "j=\$$i"; echo "${i}: ${j} "; done; }
  91
  92 uci_add_list_if_new() {
  93         local PACKAGE="$1"
  94         local CONFIG="$2"
  95         local OPTION="$3"
  96         local VALUE="$4"
  97         local i
  98         [ -n "$PACKAGE" ] && [ -n "$CONFIG" ] && [ -n "$OPTION" ] && [ -n "$VALUE" ] || return 1
  99         for i in $(uci_get "$PACKAGE" "$CONFIG" "$OPTION"); do
 100                 [ "$i" = "$VALUE" ] && return 0
 101         done
 102         uci_add_list "$PACKAGE" "$CONFIG" "$OPTION" "$VALUE"
 103 }
 104 uci_changes() {
 105         local PACKAGE="$1"
 106         local CONFIG="$2"
 107         local OPTION="$3"
 108         /sbin/uci ${UCI_CONFIG_DIR:+-c $UCI_CONFIG_DIR} changes "$PACKAGE${CONFIG:+.$CONFIG}${OPTION:+.$OPTION}"
 109 }
 110
 111 ipset() { "$ipset" "$@" >/dev/null 2>&1; }
 112 nft() { "$nft" "$@" >/dev/null 2>&1; }
 113
 114 get_text() {
 115         local r
 116         case "$1" in
 117                 errorConfigValidationFail) r="$packageName config validation failed";;
 118                 errorServiceDisabled) r="$packageName is currently disabled";;
 119                 errorNoDnsmasqIpset)
 120                         r="dnsmasq ipset support is enabled in $packageName, but dnsmasq is either not installed or installed dnsmasq does not support ipset";;
 121                 errorNoIpset)
 122                         r="dnsmasq ipset support is enabled in $packageName, but ipset is either not installed or installed ipset does not support 'hash:net' type";;
 123                 errorNoDnsmasqNftset)
 124                         r="dnsmasq nft set support is enabled in $packageName, but dnsmasq is either not installed or installed dnsmasq does not support nft set";;
 125                 errorNoNft) r="dnsmasq nft sets support is enabled in $packageName, but nft is not installed";;
 126                 errorNoWanGateway) r="The ${serviceName} failed to discover WAN gateway";;
 127                 errorOutputDirCreate) r="failed to create directory for %s file";;
 128                 errorOutputFileCreate) r="failed to create $outputFile file";;
 129                 errorFailDNSReload) r="failed to restart/reload DNS resolver";;
 130                 errorSharedMemory) r="failed to access shared memory";;
 131                 errorSorting) r="failed to sort data file";;
 132                 errorOptimization) r="failed to optimize data file";;
 133                 errorAllowListProcessing) r="failed to process allow-list";;
 134                 errorDataFileFormatting) r="failed to format data file";;
 135                 errorMovingDataFile) r="failed to move data file '${A_TMP}' to '${outputFile}'";;
 136                 errorCreatingCompressedCache) r="failed to create compressed cache";;
 137                 errorRemovingTempFiles) r="failed to remove temporary files";;
 138                 errorRestoreCompressedCache) r="failed to unpack compressed cache";;
 139                 errorRestoreCache) r="failed to move '$outputCache' to '$outputFile'";;
 140                 errorOhSnap) r="failed to create block-list or restart DNS resolver";;
 141                 errorStopping) r="failed to stop $serviceName";;
 142                 errorDNSReload) r="failed to reload/restart DNS resolver";;
 143                 errorDownloadingConfigUpdate) r="failed to download Config Update file";;
 144                 errorDownloadingList) r="failed to download";;
 145                 errorParsingConfigUpdate) r="failed to parse Config Update file";;
 146                 errorParsingList) r="failed to parse";;
 147                 errorNoSSLSupport) r="no HTTPS/SSL support on device";;
 148                 errorCreatingDirectory) r="failed to create output/cache/gzip file directory";;
 149
 150                 statusNoInstall) r="$serviceName is not installed or not found";;
 151                 statusStopped) r="Stopped";;
 152                 statusStarting) r="Starting";;
 153                 statusRestarting) r="Restarting";;
 154                 statusForceReloading) r="Force Reloading";;
 155                 statusDownloading) r="Downloading";;
 156                 statusProcessing) r="Processing";;
 157                 statusError) r="Error";;
 158                 statusWarning) r="Warning";;
 159                 statusFail) r="Fail";;
 160                 statusSuccess) r="Success";;
 161
 162                 warningExternalDnsmasqConfig)
 163                         r="use of external dnsmasq config file detected, please set 'dns' option to 'dnsmasq.conf'";;
 164                 warningMissingRecommendedPackages) r="Some recommended packages are missing";;
 165                 warningInvalidCompressedCacheDir) r="invalid compressed cache directory '%s'";;
 166         esac
 167         echo "$r"
 168 }
 169
 170 output_ok() { output 1 "$_OK_"; output 2 "$__OK__\\n"; }
 171 output_okn() { output 1 "$_OK_\\n"; output 2 "$__OK__\\n"; }
 172 output_fail() { output 1 "$_FAIL_"; output 2 "$__FAIL__\\n"; }
 173 output_failn() { output 1 "$_FAIL_\\n"; output 2 "$__FAIL__\\n"; }
 174 str_replace() { printf "%b" "$1" | sed -e "s/$(printf "%b" "$2")/$(printf "%b" "$3")/g"; }
 175 str_contains() { test "$1" != "$(str_replace "$1" "$2" '')"; }
 176 is_greater() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
 177 is_greater_or_equal() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" = "$2"; }
 178 is_chaos_calmer() { ubus -S call system board | grep -q 'Chaos Calmer'; }
 179 led_on(){ if [ -n "${1}" ] && [ -e "${1}/trigger" ]; then echo 'default-on' > "${1}/trigger" 2>&1; fi; }
 180 led_off(){ if [ -n "${1}" ] &&  [ -e "${1}/trigger" ]; then echo 'none' > "${1}/trigger" 2>&1; fi; }
 181 dnsmasq_hup() { killall -q -s HUP dnsmasq; }
 182 dnsmasq_kill() { killall -q -s KILL dnsmasq; }
 183 dnsmasq_restart() { /etc/init.d/dnsmasq restart >/dev/null 2>&1; }
 184 unbound_restart() { /etc/init.d/unbound restart >/dev/null 2>&1; }
 185 is_present() { command -v "$1" >/dev/null 2>&1; }
 186 sanitize_dir() { [ -d "$(readlink -fn "$1")" ] && readlink -fn "$1"; }
 187
 188 output() {
 189 # Can take a single parameter (text) to be output at any verbosity
 190 # Or target verbosity level and text to be output at specifc verbosity
 191         local msg memmsg logmsg
 192         local sharedMemoryOutput="/dev/shm/$packageName-output"
 193         verbosity="${verbosity:-2}"
 194         if [ $# -ne 1 ]; then
 195                 if [ $((verbosity & $1)) -gt 0 ] || [ "$verbosity" = "$1" ]; then shift; else return 0; fi
 196         fi
 197         [ -t 1 ] && printf "%b" "$1"
 198         msg="${1//$serviceName /service }";
 199         if [ "$(printf "%b" "$msg" | wc -l)" -gt 0 ]; then
 200                 [ -s "$sharedMemoryOutput" ] && memmsg="$(cat "$sharedMemoryOutput")"
 201                 logmsg="$(printf "%b" "${memmsg}${msg}" | sed 's/\x1b\[[0-9;]*m//g')"
 202                 logger -t "${packageName:-service} [$$]" "$(printf "%b" "$logmsg")"
 203                 rm -f "$sharedMemoryOutput"
 204         else
 205                 printf "%b" "$msg" >> "$sharedMemoryOutput"
 206         fi
 207 }
 208
 209 load_network() {
 210         local param="$1"
 211         local i j wan_if wan_gw wan_proto
 212         local counter wan_if_timeout="$procd_boot_wan_timeout" wan_gw_timeout='5'
 213         counter=0
 214         while [ -z "$wan_if" ]; do
 215                 network_flush_cache
 216                 network_find_wan wan_if
 217                 if [ -n "$wan_if" ]; then
 218                         output "WAN interface found: '${wan_if}'.\\n"
 219                         break
 220                 fi
 221                 if [ "$counter" -gt "$wan_if_timeout" ]; then
 222                         output "WAN interface timeout, assuming 'wan'.\\n"
 223                         wan_if='wan'
 224                         break
 225                 fi
 226                 counter=$((counter+1))
 227                 output "Waiting to discover WAN Interface...\\n"
 228                 sleep 1
 229         done
 230
 231         counter=0
 232         wan_proto="$(uci -q get "network.${wan_if}.proto")"
 233         if [ "$wan_proto" = 'pppoe' ]; then
 234                 wan_gw_timeout=$((wan_gw_timeout+10))
 235         fi
 236         while [ "$counter" -le "$wan_gw_timeout" ]; do
 237                 network_flush_cache
 238                 network_get_gateway wan_gw "$wan_if"
 239                 if [ -n "$wan_gw" ]; then
 240                         output "WAN gateway found: '${wan_gw}.'\\n"
 241                         return 0
 242                 fi
 243                 counter=$((counter+1))
 244                 output "Waiting to discover $wan_if gateway...\\n"
 245                 sleep 1
 246         done
 247         json add error "errorNoWanGateway"
 248         output "${_ERROR_}: $(get_text 'errorNoWanGateway')!\\n"; return 1;
 249 }
 250
 251 load_environment() {
 252         local i j
 253         local validation_result="$1" param="$2"
 254
 255         [ -z "$load_environment_flag" ] || return 0
 256
 257         if [ "$validation_result" != '0' ]; then
 258                 json add error "errorConfigValidationFail"
 259                 output "${_ERROR_}: $(get_text 'errorConfigValidationFail')!\\n"
 260                 output "Please check if the '$packageConfigFile' contains correct values for config options.\\n"
 261                 return 1
 262         fi
 263
 264         if [ "$enabled" -eq 0 ]; then
 265                 json add error "errorServiceDisabled"
 266                 output "${_ERROR_}: $(get_text 'errorServiceDisabled')!\\n"
 267                 output "Run the following commands before starting service again:\\n"
 268                 output "uci set ${packageName}.config.enabled='1'; uci commit $packageName;\\n"
 269                 return 1
 270         fi
 271
 272         if [ "$debug" -ne 0 ]; then
 273                 exec 1>>/tmp/simple-adblock.log
 274                 exec 2>&1
 275                 set -x
 276         fi
 277
 278         if [ -n "$dnsmasq_config_file_url" ]; then
 279                 case "$dns" in
 280                         dnsmasq.conf) :;;
 281                         *)
 282                                 if [ "$param" != 'quiet' ]; then
 283                                         json add warning "warningExternalDnsmasqConfig"
 284                                         output "${_WARNING_}: $(get_text 'warningExternalDnsmasqConfig')!\\n"
 285                                 fi
 286                         ;;
 287                 esac
 288         fi
 289
 290         case "$dns" in
 291                 dnsmasq.addnhosts|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|dnsmasq.servers)
 292                         if dnsmasq -v 2>/dev/null | grep -q 'no-IDN' || ! dnsmasq -v 2>/dev/null | grep -q -w 'IDN'; then
 293                                 allow_non_ascii=0
 294                         fi
 295                 ;;
 296                 unbound.adb_list)
 297                         allow_non_ascii=1;;
 298         esac
 299
 300         case "$dns" in
 301                 dnsmasq.ipset)
 302                         if dnsmasq -v 2>/dev/null | grep -q 'no-ipset' || ! dnsmasq -v 2>/dev/null | grep -q -w 'ipset'; then
 303                                 if [ "$param" != 'quiet' ]; then
 304                                         json add error "errorNoDnsmasqIpset"
 305                                         output "${_ERROR_}: $(get_text 'errorNoDnsmasqIpset')!\\n"
 306                                 fi
 307                                 dns='dnsmasq.servers'
 308                         fi
 309                         if ! ipset help hash:net; then
 310                                 if [ "$param" != 'quiet' ]; then
 311                                         json add error "errorNoIpset"
 312                                         output "${_ERROR_}: $(get_text 'errorNoIpset')!\\n"
 313                                 fi
 314                                 dns='dnsmasq.servers'
 315                         fi
 316                 ;;
 317                 dnsmasq.nftset)
 318                         if dnsmasq -v 2>/dev/null | grep -q 'no-nftset' || ! dnsmasq -v 2>/dev/null | grep -q -w 'nftset'; then
 319                                 if [ "$param" != 'quiet' ]; then
 320                                         json add error "errorNoDnsmasqNftset"
 321                                         output "${_ERROR_}: $(get_text 'errorNoDnsmasqNftset')!\\n"
 322                                 fi
 323                                 dns='dnsmasq.servers'
 324                         fi
 325                         if [ -z "$nft" ]; then
 326                                 if [ "$param" != 'quiet' ]; then
 327                                         json add error "errorNoNft"
 328                                         output "${_ERROR_}: $(get_text 'errorNoNft')!\\n"
 329                                 fi
 330                                 dns='dnsmasq.servers'
 331                         fi
 332                 ;;
 333         esac
 334
 335         if [ "$(sanitize_dir "$compressed_cache_dir")" = '/' ]; then
 336                 compressed_cache_dir=''
 337         elif [ -n "$(sanitize_dir "$compressed_cache_dir")" ]; then
 338                 compressed_cache_dir="$(sanitize_dir "$compressed_cache_dir")"
 339         else
 340                 json add warning 'warningInvalidCompressedCacheDir' "$compressed_cache_dir"
 341                 compressed_cache_dir="/etc"
 342         fi
 343
 344         case "$dns" in
 345                 dnsmasq.addnhosts)
 346                         outputFilter="$dnsmasqAddnhostsFilter"
 347                         outputFile="$dnsmasqAddnhostsFile"
 348                         outputCache="$dnsmasqAddnhostsCache"
 349                         outputGzip="${compressed_cache_dir}/${dnsmasqAddnhostsGzip}"
 350                         if [ "$ipv6_enabled" -ne 0 ]; then
 351                                 outputFilterIPv6="$dnsmasqAddnhostsFilterIPv6"
 352                         fi
 353                         rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "${compressed_cache_dir}/${dnsmasqConfGzip}"
 354                         rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "${compressed_cache_dir}/${dnsmasqIpsetGzip}"
 355                         rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "${compressed_cache_dir}/${dnsmasqNftsetGzip}"
 356                         rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "${compressed_cache_dir}/${dnsmasqServersGzip}"
 357                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 358                 ;;
 359                 dnsmasq.conf)
 360                         outputFilter="$dnsmasqConfFilter"
 361                         outputFile="$dnsmasqConfFile"
 362                         outputCache="$dnsmasqConfCache"
 363                         outputGzip="${compressed_cache_dir}/${dnsmasqConfGzip}"
 364                         rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "${compressed_cache_dir}/${dnsmasqAddnhostsGzip}"
 365                         rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "${compressed_cache_dir}/${dnsmasqIpsetGzip}"
 366                         rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "${compressed_cache_dir}/${dnsmasqNftsetGzip}"
 367                         rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "${compressed_cache_dir}/${dnsmasqServersGzip}"
 368                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 369                 ;;
 370                 dnsmasq.ipset)
 371                         outputFilter="$dnsmasqIpsetFilter"
 372                         outputFile="$dnsmasqIpsetFile"
 373                         outputCache="$dnsmasqIpsetCache"
 374                         outputGzip="${compressed_cache_dir}/${dnsmasqIpsetGzip}"
 375                         rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "${compressed_cache_dir}/${dnsmasqAddnhostsGzip}"
 376                         rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "${compressed_cache_dir}/${dnsmasqConfGzip}"
 377                         rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "${compressed_cache_dir}/${dnsmasqNftsetGzip}"
 378                         rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "${compressed_cache_dir}/${dnsmasqServersGzip}"
 379                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 380                 ;;
 381                 dnsmasq.nftset)
 382                         if [ "$ipv6_enabled" -ne 0 ]; then
 383                                 outputFilter="$dnsmasqNftsetFilterIPv6"
 384                         else
 385                                 outputFilter="$dnsmasqNftsetFilter"
 386                         fi
 387                         outputFile="$dnsmasqNftsetFile"
 388                         outputCache="$dnsmasqNftsetCache"
 389                         outputGzip="${compressed_cache_dir}/${dnsmasqNftsetGzip}"
 390                         rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "${compressed_cache_dir}/${dnsmasqAddnhostsGzip}"
 391                         rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "${compressed_cache_dir}/${dnsmasqConfGzip}"
 392                         rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "${compressed_cache_dir}/${dnsmasqIpsetGzip}"
 393                         rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "${compressed_cache_dir}/${dnsmasqServersGzip}"
 394                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 395                 ;;
 396                 dnsmasq.servers)
 397                         outputFilter="$dnsmasqServersFilter"
 398                         outputFile="$dnsmasqServersFile"
 399                         outputCache="$dnsmasqServersCache"
 400                         outputGzip="${compressed_cache_dir}/${dnsmasqServersGzip}"
 401                         rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "${compressed_cache_dir}/${dnsmasqAddnhostsGzip}"
 402                         rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "${compressed_cache_dir}/${dnsmasqConfGzip}"
 403                         rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "${compressed_cache_dir}/${dnsmasqIpsetGzip}"
 404                         rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "${compressed_cache_dir}/${dnsmasqNftsetGzip}"
 405                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 406                 ;;
 407                 unbound.adb_list)
 408                         outputFilter="$unboundFilter"
 409                         outputFile="$unboundFile"
 410                         outputCache="$unboundCache"
 411                         outputGzip="$unboundGzip"
 412                         rm -f "$dnsmasqAddnhostsFile" "$dnsmasqAddnhostsCache" "${compressed_cache_dir}/${dnsmasqAddnhostsGzip}"
 413                         rm -f "$dnsmasqConfFile" "$dnsmasqConfCache" "${compressed_cache_dir}/${dnsmasqConfGzip}"
 414                         rm -f "$dnsmasqIpsetFile" "$dnsmasqIpsetCache" "${compressed_cache_dir}/${dnsmasqIpsetGzip}"
 415                         rm -f "$dnsmasqNftsetFile" "$dnsmasqNftsetCache" "${compressed_cache_dir}/${dnsmasqNftsetGzip}"
 416                         rm -f "$dnsmasqServersFile" "$dnsmasqServersCache" "${compressed_cache_dir}/${dnsmasqServersGzip}"
 417                 ;;
 418         esac
 419
 420         for i in "$jsonFile" "$outputFile" "$outputCache" "$outputGzip"; do
 421                 if ! mkdir -p "$(dirname "$i")"; then
 422                         if [ "$param" != 'quiet' ]; then
 423                                 json add error "errorOutputDirCreate" "$i"
 424                                 output "${_ERROR_}: $(get_text 'errorOutputDirCreate' "$i")!\\n"
 425                         fi
 426                 fi
 427         done
 428
 429         is_present 'gawk' && awk='gawk'
 430         if ! is_present '/usr/libexec/grep-gnu' || ! is_present '/usr/libexec/sed-gnu' || \
 431                 ! is_present '/usr/libexec/sort-coreutils' || ! is_present 'gawk'; then
 432                         local s="opkg update; opkg --force-overwrite install"
 433                         is_present 'gawk' || s="$s gawk"
 434                         is_present '/usr/libexec/grep-gnu' || s="$s grep"
 435                         is_present '/usr/libexec/sed-gnu' || s="$s sed"
 436                         is_present '/usr/libexec/sort-coreutils' || s="$s coreutils-sort"
 437                         if [ "$param" != 'quiet' ]; then
 438                                 json add warning "warningMissingRecommendedPackages" "${i}"
 439                                 output "${_WARNING_}: $(get_text 'warningMissingRecommendedPackages'), install them by running:\\n"
 440                                 output "$s;\\n"
 441                         fi
 442         fi
 443         # Prefer curl because it supports the file:// scheme.
 444         if is_present 'curl'; then
 445                 dl_command="curl --silent --insecure"
 446                 dl_command="${dl_command}${curl_additional_param:+ $curl_additional_param}"
 447                 dl_command="${dl_command}${curl_max_file_size:+ --max-filesize $curl_max_file_size}"
 448                 dl_command="${dl_command}${curl_retry:+ --retry $curl_retry}"
 449                 dl_command="${dl_command}${download_timeout:+ --connect-timeout $download_timeout}"
 450                 dl_flag="-o"
 451         elif is_present '/usr/libexec/wget-ssl'; then
 452                 dl_command="/usr/libexec/wget-ssl --no-check-certificate -q"
 453                 dl_command="${dl_command}${download_timeout:+ --timeout $download_timeout}"
 454                 dl_flag="-O"
 455         elif is_present wget && wget --version 2>/dev/null | grep -q "+https"; then
 456                 dl_command="wget --no-check-certificate -q"
 457                 dl_command="${dl_command}${download_timeout:+ --timeout $download_timeout}"
 458                 dl_flag="-O"
 459         else
 460                 dl_command="uclient-fetch --no-check-certificate -q"
 461                 dl_command="${dl_command}${download_timeout:+ --timeout $download_timeout}"
 462                 dl_flag="-O"
 463         fi
 464         led="${led:+/sys/class/leds/$led}"
 465         if curl --version 2>/dev/null | grep -q "https" \
 466                 || wget --version 2>/dev/null | grep -q "+https" \
 467                 || grep -q "libustream-mbedtls" /usr/lib/opkg/status \
 468                 || grep -q "libustream-openssl" /usr/lib/opkg/status \
 469                 || grep -q "libustream-wolfssl" /usr/lib/opkg/status; then
 470                 isSSLSupported=1
 471         else
 472                 unset isSSLSupported
 473         fi
 474         load_environment_flag=1
 475         cache 'test' && return 0
 476         cache 'test_gzip' && return 0
 477         if [ "$param" = 'on_boot' ]; then
 478                 load_network "$param"
 479                 return "$?"
 480         else
 481                 return 0
 482         fi
 483 }
 484
 485 resolver() {
 486         local cfg="$1" param="$2"
 487         case "$param" in
 488                 dnsmasq.addnhosts)
 489                         if [ "$(uci_get 'dhcp' "$cfg" 'serversfile')" = "$dnsmasqServersFile" ]; then
 490                                 uci_remove 'dhcp' "$cfg" 'serversfile'
 491                         fi
 492                         uci_add_list_if_new 'dhcp' "$cfg" 'addnhosts' "$dnsmasqAddnhostsFile"
 493                 ;;
 494                 cleanup|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|unbound.adb_list)
 495                         uci_remove_list 'dhcp' "$cfg" 'addnhosts' "$dnsmasqAddnhostsFile"
 496                         if [ "$(uci_get 'dhcp' "$cfg" 'serversfile')" = "$dnsmasqServersFile" ]; then
 497                                 uci_remove 'dhcp' "$cfg" 'serversfile'
 498                         fi
 499                 ;;
 500                 dnsmasq.servers)
 501                         uci_remove_list 'dhcp' "$cfg" 'addnhosts' "$dnsmasqAddnhostsFile"
 502                         if [ "$(uci_get 'dhcp' "$cfg" 'serversfile')" != "$dnsmasqServersFile" ]; then
 503                                 uci_set 'dhcp' "$cfg" 'serversfile' "$dnsmasqServersFile"
 504                         fi
 505                 ;;
 506         esac
 507 }
 508
 509 dns() {
 510         local param output_text i
 511         case $1 in
 512                 on_start)
 513                         if [ ! -s "$outputFile" ]; then
 514                                 json set status "statusFail"
 515                                 json add error "errorOutputFileCreate"
 516                                 output "${_ERROR_}: $(get_text 'errorOutputFileCreate')!\\n"
 517                                 return 1
 518                         fi
 519
 520                         config_load 'dhcp'
 521                         if [ "$dns_instance" = "*" ]; then
 522                                 config_foreach resolver 'dnsmasq' "$dns"
 523                         elif [ -n "$dns_instance" ]; then
 524                                 for i in $dns_instance; do
 525                                         resolver "@dnsmasq[$i]" "$dns" || resolver "$i" "$dns"
 526                                 done
 527                         fi
 528
 529                         case "$dns" in
 530                                 dnsmasq.addnhosts|dnsmasq.servers)
 531                                         param=dnsmasq_restart
 532                                         output_text='Reloading dnsmasq'
 533                                 ;;
 534                                 dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset)
 535                                         param=dnsmasq_restart
 536                                         output_text='Restarting dnsmasq'
 537                                 ;;
 538                                 unbound.adb_list)
 539                                         param=unbound_restart
 540                                         output_text='Restarting Unbound'
 541                                 ;;
 542                         esac
 543
 544                         if [ -n "$(uci_changes dhcp)" ]; then
 545                                 uci_commit dhcp
 546                                 if [ "$param" = 'unbound_restart' ]; then
 547                                         param='dnsmasq_restart; unbound_restart;'
 548                                         output_text='Restarting Unbound/dnsmasq'
 549                                 else
 550                                         param=dnsmasq_restart
 551                                         output_text='Restarting dnsmasq'
 552                                 fi
 553                         fi
 554                         output 1 "$output_text "
 555                         output 2 "$output_text "
 556                         json set message "$output_text"
 557                         if eval "$param"; then
 558                                 json set status "statusSuccess"
 559                                 led_on "$led"
 560                                 output_okn
 561                         else
 562                                 output_fail
 563                                 json set status "statusFail"
 564                                 json add error "errorDNSReload"
 565                                 output "${_ERROR_}: $(get_text 'errorDNSReload')!\\n"
 566                                 return 1
 567                         fi
 568                 ;;
 569                 on_stop)
 570                         case "$dns" in
 571                                 dnsmasq.addnhosts|dnsmasq.servers)
 572                                         param=dnsmasq_restart
 573                                 ;;
 574                                 dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset)
 575                                         param=dnsmasq_restart
 576                                 ;;
 577                                 unbound.adb_list)
 578                                         param=unbound_restart
 579                                 ;;
 580                         esac
 581                         if [ -n "$(uci_changes dhcp)" ]; then
 582                                 uci_commit dhcp
 583                                 if [ "$param" = 'unbound_restart' ]; then
 584                                         param='dnsmasq_restart; unbound_restart;'
 585                                 else
 586                                         param=dnsmasq_restart
 587                                 fi
 588                         fi
 589                         eval "$param"
 590                         return $?
 591                 ;;
 592                 quiet)
 593                         case "$dns" in
 594                                 dnsmasq.addnhosts|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|dnsmasq.servers)
 595                                         param=dnsmasq_restart
 596                                 ;;
 597                                 unbound.adb_list)
 598                                         param=unbound_restart
 599                                 ;;
 600                         esac
 601                         eval "$param"
 602                         return $?
 603                 ;;
 604         esac
 605 }
 606
 607 json() {
 608 # shellcheck disable=SC2034
 609         local action="$1" param="$2" value="$3"
 610         shift 3
 611 # shellcheck disable=SC2124
 612         local extras="$@" line
 613         local status message error stats
 614         local reload restart curReload curRestart ret i
 615         if [ -s "$jsonFile" ]; then
 616                 json_load_file "$jsonFile" 2>/dev/null
 617                 json_select 'data' 2>/dev/null
 618                 for i in status message error stats reload restart; do
 619                         json_get_var $i "$i" 2>/dev/null
 620                 done
 621         fi
 622         case "$action" in
 623                 get)
 624                         case "$param" in
 625                                 triggers)
 626                                         curReload="$parallel_downloads $debug $download_timeout $allowed_domain $blocked_domain $allowed_domains_url \
 627                                                 $blocked_adblockplus_url $blocked_domains_url $blocked_hosts_url $dns $config_update_enabled $config_update_url \
 628                                                 $dnsmasq_config_file_url $curl_additional_param $curl_max_file_size $curl_retry"
 629                                         curRestart="$compressed_cache $compressed_cache_dir $force_dns $led $force_dns_port"
 630                                         if [ ! -s "$jsonFile" ]; then
 631                                                 ret='on_boot'
 632                                         elif [ "$curReload" != "$reload" ]; then
 633                                                 ret='download'
 634                                         elif [ "$curRestart" != "$restart" ]; then
 635                                                 ret='restart'
 636                                         fi
 637                                         printf "%b" "$ret"
 638                                         return;;
 639                                 *)
 640                                         printf "%b" "$(eval echo "\$$param")"; return;;
 641                         esac
 642                 ;;
 643                 add)
 644                         line="$(eval echo "\$$param")"
 645                         eval "$param"='${line:+$line }${value}${extras:+|$extras}'
 646                 ;;
 647                 del)
 648                         case "$param" in
 649                                 all)
 650                                         unset status message error stats;;
 651                                 triggers)
 652                                         unset reload restart;;
 653                                 *)
 654                                         unset "$param";;
 655                         esac
 656                 ;;
 657                 set)
 658                         case "$param" in
 659                                 triggers)
 660                                         reload="$parallel_downloads $debug $download_timeout $allowed_domain $blocked_domain $allowed_domains_url \
 661                                                 $blocked_adblockplus_url $blocked_domains_url $blocked_hosts_url $dns $config_update_enabled $config_update_url \
 662                                                 $dnsmasq_config_file_url $curl_additional_param $curl_max_file_size $curl_retry"
 663                                         restart="$compressed_cache $compressed_cache_dir $force_dns $led $force_dns_port"
 664                                 ;;
 665                                 *)
 666                                         eval "$param"='${value}${extras:+|$extras}';;
 667                         esac
 668                 ;;
 669         esac
 670         json_init
 671         json_add_object 'data'
 672         json_add_string version "$PKG_VERSION"
 673         json_add_string status "$status"
 674         json_add_string message "$message"
 675         json_add_string error "$error"
 676         json_add_string stats "$stats"
 677         json_add_string reload "$reload"
 678         json_add_string restart "$restart"
 679         json_close_object
 680         mkdir -p "$(dirname "$jsonFile")"
 681         json_dump > "$jsonFile"
 682         sync
 683 }
 684
 685 cache() {
 686         local R_TMP
 687         case "$1" in
 688                 create|backup)
 689                         [ -s "$outputFile" ] && { mv -f "$outputFile" "$outputCache"; true > "$outputFile"; } >/dev/null 2>/dev/null
 690                         return $?
 691                 ;;
 692                 restore|use)
 693                         [ -s "$outputCache" ] && mv "$outputCache" "$outputFile" >/dev/null 2>/dev/null
 694                         return $?
 695                 ;;
 696                 test)
 697                         [ -s "$outputCache" ]
 698                         return $?
 699                 ;;
 700                 test_gzip)
 701                         [ -s "$outputGzip" ] && gzip -t -c "$outputGzip"
 702                         return $?
 703                 ;;
 704                 create_gzip)
 705                         rm -f "$outputGzip" >/dev/null 2>/dev/null
 706                         R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 707                         if gzip < "$outputFile" > "$R_TMP"; then
 708                                 if mv "$R_TMP" "$outputGzip"; then
 709                                         rm -f "$R_TMP"
 710                                         return 0
 711                                 else
 712                                         rm -f "$R_TMP"
 713                                         return 1
 714                                 fi
 715                         else
 716                                 return 1
 717                         fi
 718                 ;;
 719                 expand|unpack|unpack_gzip)
 720                         [ -s "$outputGzip" ] && gzip -dc < "$outputGzip" > "$outputCache"
 721                         return $?
 722                 ;;
 723         esac
 724 }
 725
 726 process_url() {
 727         local label type D_TMP R_TMP
 728         if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then return 1; fi
 729         label="${1##*//}"; label="${label%%/*}";
 730         case "$2" in
 731                 adbp)    label="ADBPlus: $label"; filter="$adBlockPlusFilter"
 732                 ;;
 733                 dnsmasq) label="Dnsmasq: $label"; filter="$dnsmasqFileFilter"
 734                 ;;
 735                 domains) label="Domains: $label"; filter="$domainsFilter"
 736                 ;;
 737                 hosts)   label="Hosts:   $label"; filter="$hostsFilter"
 738                 ;;
 739         esac
 740         case "$3" in
 741                 allowed) type='Allowed'; D_TMP="$A_TMP"
 742                 ;;
 743                 blocked) type='Blocked'; D_TMP="$B_TMP"
 744                 ;;
 745                 file) type='File'; D_TMP="$B_TMP"
 746                 ;;
 747         esac
 748         if [ "${1:0:5}" = "https" ] && [ -z "$isSSLSupported" ]; then
 749                 output 1 "$_FAIL_"
 750                 output 2 "[DL] $type $label $__FAIL__\\n"
 751                 echo "errorNoSSLSupport|${1}" >> "$sharedMemoryError"
 752                 return 0
 753         fi
 754         while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
 755                 R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 756         done
 757         if ! $dl_command "$1" "$dl_flag" "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
 758                 output 1 "$_FAIL_"
 759                 output 2 "[DL] $type $label $__FAIL__\\n"
 760                 echo "errorDownloadingList|${1}" >> "$sharedMemoryError"
 761         else
 762                 sed -i "$filter" "$R_TMP"
 763                 if [ ! -s "$R_TMP" ]; then
 764                         output 1 "$_FAIL_"
 765                         output 2 "[DL] $type $label $__FAIL__\\n"
 766                         echo "errorParsingList|${1}" >> "$sharedMemoryError"
 767                 else
 768                         cat "${R_TMP}" >> "$D_TMP"
 769                         output 1 "$_OK_"
 770                         output 2 "[DL] $type $label $__OK__\\n"
 771                 fi
 772         fi
 773         rm -f "$R_TMP"
 774         return 0
 775 }
 776
 777 download_dnsmasq_file() {
 778         local hf allow_filter j=0 R_TMP
 779
 780         json set message "$(get_text "statusDownloading")..."
 781         json set status "statusDownloading"
 782
 783         rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip"
 784         if [ "$($awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
 785                 output 3 'Low free memory, restarting resolver '
 786                 if dns 'quiet'; then
 787                         output_okn
 788                 else
 789                         output_failn
 790                 fi
 791         fi
 792         touch $A_TMP; touch $B_TMP;
 793         output 1 'Downloading dnsmasq file '
 794         rm -f "$sharedMemoryError"
 795         process_url "$dnsmasq_config_file_url" 'dnsmasq' 'file'
 796 #       output 1 '\n'
 797         if [ -s "$sharedMemoryError" ]; then
 798                 while IFS= read -r line; do
 799                         json add error "$line"
 800                 done < "$sharedMemoryError"
 801                 rm -f "$sharedMemoryError"
 802         fi
 803         output 2 'Creating dnsmasq file '
 804         if mv "$B_TMP" "$outputFile"; then
 805                 output 2 "$__OK__\\n"
 806         else
 807                 output 2 "$__FAIL__\\n"
 808                 json add error "errorMovingDataFile"
 809         fi
 810         output 1 '\n'
 811 }
 812
 813 download_lists() {
 814         local hf allow_filter j=0 R_TMP
 815
 816         json set message "$(get_text "statusDownloading")..."
 817         json set status "statusDownloading"
 818
 819         rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip"
 820         if [ "$($awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
 821                 output 3 'Low free memory, restarting resolver '
 822                 if dns 'quiet'; then
 823                         output_okn
 824                 else
 825                         output_failn
 826                 fi
 827         fi
 828         touch $A_TMP; touch $B_TMP;
 829         output 1 'Downloading lists '
 830         rm -f "$sharedMemoryError"
 831         for hf in ${blocked_hosts_url}; do
 832                 if [ "$parallel_downloads" -gt 0 ]; then
 833                         process_url "$hf" 'hosts' 'blocked' &
 834                 else
 835                         process_url "$hf" 'hosts' 'blocked'
 836                 fi
 837         done
 838         for hf in ${blocked_adblockplus_url}; do
 839                 if [ "$parallel_downloads" -gt 0 ]; then
 840                         process_url "$hf" 'adbp' 'blocked' &
 841                 else
 842                         process_url "$hf" 'adbp' 'blocked'
 843                 fi
 844         done
 845         for hf in ${blocked_domains_url}; do
 846                 if [ "$parallel_downloads" -gt 0 ]; then
 847                         process_url "$hf" 'domains' 'blocked' &
 848                 else
 849                         process_url "$hf" 'domains' 'blocked'
 850                 fi
 851         done
 852         for hf in ${allowed_domains_url}; do
 853                 if [ "$parallel_downloads" -gt 0 ]; then
 854                         process_url "$hf" 'domains' 'allowed' &
 855                 else
 856                         process_url "$hf" 'domains' 'allowed'
 857                 fi
 858         done
 859         wait
 860         output 1 '\n'
 861         if [ -s "$sharedMemoryError" ]; then
 862                 while IFS= read -r line; do
 863                         json add error "$line"
 864                 done < "$sharedMemoryError"
 865                 rm -f "$sharedMemoryError"
 866         fi
 867
 868         if [ "$canary_domains_icloud" -ne 0 ]; then
 869                 canaryDomains="${canaryDomains:+$canaryDomains }${canaryDomainsiCloud}"
 870         fi
 871         if [ "$canary_domains_mozilla" -ne 0 ]; then
 872                 canaryDomains="${canaryDomains:+$canaryDomains }${canaryDomainsMozilla}"
 873         fi
 874
 875         for hf in $blocked_domain $canaryDomains; do echo "$hf" | sed "$domainsFilter" >> $B_TMP; done
 876         allowed_domain="${allowed_domain}
 877 $(cat $A_TMP)"
 878         for hf in ${allowed_domain}; do hf="$(echo "$hf" | sed 's/\./\\./g')"; allow_filter="$allow_filter/(^|\.)${hf}$/d;"; done
 879
 880         [ ! -s "$B_TMP" ] && return 1
 881
 882         output 1 'Processing downloads '
 883         output 2 'Sorting combined list '
 884         json set status "statusProcessing"
 885         json set message "$(get_text "statusProcessing"): sorting combined list"
 886         if [ "$allow_non_ascii" -gt 0 ]; then
 887                 if sort -u "$B_TMP" > "$A_TMP"; then
 888                         output_ok
 889                 else
 890                         output_failn
 891                         json add error "errorSorting"
 892                 fi
 893         else
 894                 if sort -u "$B_TMP" | grep -E -v '[^a-zA-Z0-9=/.-]' > "$A_TMP"; then
 895                         output_ok
 896                 else
 897                         output_failn
 898                         json add error "errorSorting"
 899                 fi
 900         fi
 901
 902         if [ "$dns" = 'dnsmasq.conf' ] || \
 903                  [ "$dns" = 'dnsmasq.ipset' ] || \
 904                  [ "$dns" = 'dnsmasq.nftset' ] || \
 905                  [ "$dns" = 'dnsmasq.servers' ] || \
 906                  [ "$dns" = 'unbound.adb_list' ]; then
 907                 # TLD optimization written by Dirk Brenken (dev@brenken.org)
 908                 output 2 'Optimizing combined list '
 909                 json set message "$(get_text "statusProcessing"): optimizing combined list"
 910 #       sed -E 'G;:t;s/(.*)(\.)(.*)(\n)(.*)/\1\4\5\2\3/;tt;s/(.*)\n(\.)(.*)/\3\2\1/' is actually slower than command below
 911                 if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$A_TMP" > "$B_TMP"; then
 912                         if sort "$B_TMP" > "$A_TMP"; then
 913                                 if $awk '{if(NR=1){tld=$NF};while(getline){if($NF!~tld"\\."){print tld;tld=$NF}}print tld}' "$A_TMP" > "$B_TMP"; then
 914                                         if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$B_TMP" > "$A_TMP"; then
 915                                                 if sort -u "$A_TMP" > "$B_TMP"; then
 916                                                         output_ok
 917                                                 else
 918                                                         output_failn
 919                                                         json add error "errorOptimization"
 920                                                         mv "$A_TMP" "$B_TMP"
 921                                                 fi
 922                                         else
 923                                                 output_failn
 924                                                 json add error "errorOptimization"
 925                                         fi
 926                                 else
 927                                         output_failn
 928                                         json add error "errorOptimization"
 929                                         mv "$A_TMP" "$B_TMP"
 930                                 fi
 931                         else
 932                                 output_failn
 933                                 json add error "errorOptimization"
 934                         fi
 935                 else
 936                         output_failn
 937                         json add error "errorOptimization"
 938                         mv "$A_TMP" "$B_TMP"
 939                 fi
 940         else
 941                 mv "$A_TMP" "$B_TMP"
 942         fi
 943
 944         output 2 'Allowing domains '
 945         json set message "$(get_text "statusProcessing"): allowing domains"
 946         if sed -i -E "$allow_filter" "$B_TMP"; then
 947                 output_ok
 948         else
 949                 output_failn
 950                 json add error "errorAllowListProcessing"
 951         fi
 952
 953         output 2 'Formatting merged file '
 954         json set message "$(get_text "statusProcessing"): formatting merged file"
 955         if [ -z "$outputFilterIPv6" ]; then
 956                 if sed "$outputFilter" "$B_TMP" > "$A_TMP"; then
 957                         output_ok
 958                 else
 959                         output_failn
 960                         json add error "errorDataFileFormatting"
 961                 fi
 962         else
 963                 case "$dns" in
 964                         dnsmasq.addnhosts)
 965                                 if sed "$outputFilter" "$B_TMP" > "$A_TMP" && \
 966                                         sed "$outputFilterIPv6" "$B_TMP" >> "$A_TMP"; then
 967                                         output_ok
 968                                 else
 969                                         output_failn
 970                                         json add error "errorDataFileFormatting"
 971                                 fi
 972                         ;;
 973                 esac
 974         fi
 975
 976         case "$dns" in
 977                 dnsmasq.addnhosts)
 978                         output 2 'Creating dnsmasq addnhosts file '
 979                         json set message "$(get_text "statusProcessing"): creating dnsmasq addnhosts file"
 980                 ;;
 981                 dnsmasq.conf)
 982                         output 2 'Creating dnsmasq config file '
 983                         json set message "$(get_text "statusProcessing"): creating dnsmasq config file"
 984                 ;;
 985                 dnsmasq.ipset)
 986                         output 2 'Creating dnsmasq ipset file '
 987                         json set message "$(get_text "statusProcessing"): creating dnsmasq ipset file"
 988                 ;;
 989                 dnsmasq.nftset)
 990                         output 2 'Creating dnsmasq nft set file '
 991                         json set message "$(get_text "statusProcessing"): creating dnsmasq nft set file"
 992                 ;;
 993                 dnsmasq.servers)
 994                         output 2 'Creating dnsmasq servers file '
 995                         json set message "$(get_text "statusProcessing"): creating dnsmasq servers file"
 996                 ;;
 997                 unbound.adb_list)
 998                         output 2 'Creating Unbound adb_list file '
 999                         json set message "$(get_text "statusProcessing"): creating Unbound adb_list file"
1000                 ;;
1001         esac
1002
1003         if mv "$A_TMP" "$outputFile"; then
1004                 output_ok
1005         else
1006                 output_failn
1007                 json add error "errorMovingDataFile"
1008         fi
1009         if [ "$compressed_cache" -gt 0 ]; then
1010                 output 2 'Creating compressed cache '
1011                 json set message "$(get_text "statusProcessing"): creating compressed cache"
1012                 if cache 'create_gzip'; then
1013                         output_ok
1014                 else
1015                         output_failn
1016                         json add error "errorCreatingCompressedCache"
1017                 fi
1018         else
1019                 rm -f "$outputGzip"
1020         fi
1021         output 2 'Removing temporary files '
1022         json set message "$(get_text "statusProcessing"): removing temporary files"
1023         rm -f "/tmp/${packageName}_tmp.*" "$A_TMP" "$B_TMP" "$outputCache" || j=1
1024         if [ $j -eq 0 ]; then
1025                 output_ok
1026         else
1027                 output_failn
1028                 json add error "errorRemovingTempFiles"
1029         fi
1030         output 1 '\n'
1031 }
1032
1033 adb_allow() {
1034         local c hf string="$1"
1035         local validation_result="$3"
1036         load_environment "$validation_result" 'quiet' || return 1
1037         if [ ! -s "$outputFile" ]; then
1038                 output "No block-list ('$outputFile') found.\\n"
1039                 return 0
1040         elif [ -z "$string" ]; then
1041                 output "Usage: /etc/init.d/${packageName} allow 'domain' ...\\n"
1042                 return 0
1043         elif [ -n "$dnsmasq_config_file_url" ]; then
1044                 output "Allowing individual domains is not possible when using external dnsmasq config file.\\n"
1045                 return 0
1046         fi
1047         case "$dns" in
1048                 dnsmasq.addnhosts|dnsmasq.conf|dnsmasq.ipset|dnsmasq.nftset|dnsmasq.servers)
1049                         output 1 "Allowing domain(s) and restarting dnsmasq "
1050                         output 2 "Allowing domain(s) \\n"
1051                         for c in $string; do
1052                                 output 2 "  $c "
1053                                 hf="$(echo "$c" | sed 's/\./\\./g')"
1054                                 if sed -i "/(^|\.)${hf}$/d;" "$outputFile" && \
1055                                         uci_add_list_if_new "${packageName}" 'config' 'allowed_domain' "$c"; then
1056                                                 output_ok
1057                                 else
1058                                         output_fail
1059                                 fi
1060                         done
1061                         if [ "$compressed_cache" -gt 0 ]; then
1062                                 output 2 'Creating compressed cache '
1063                                 if cache 'create_gzip'; then
1064                                         output_ok
1065                                 else
1066                                         output_failn
1067                                 fi
1068                         fi
1069                         output 2 "Committing changes to config "
1070                         if [ -n "$(uci_changes "$packageName")" ] && uci_commit "$packageName"; then
1071                                 allowed_domain="$(uci_get "$packageName" 'config' 'allowed_domain')"
1072                                 json set triggers
1073                                 json set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${dns})"
1074                                 output_ok;
1075                                 if [ "$dns" = 'dnsmasq.ipset' ]; then
1076                                         output 2 "Flushing adb ipset "
1077                                         if ipset -q -! flush adb; then output_ok; else output_fail; fi
1078                                 fi
1079                                 if [ "$dns" = 'dnsmasq.nftset' ]; then
1080                                         output 2 "Flushing adb nft sets "
1081                                         nft flush set inet fw4 adb6
1082                                         if nft flush set inet fw4 adb4; then output_ok; else output_fail; fi
1083                                 fi
1084                                 output 2 "Restarting dnsmasq "
1085                                 if dnsmasq_restart; then output_okn; else output_failn; fi
1086                         else
1087                                 output_fail;
1088                         fi
1089                 ;;
1090                 unbound.adb_list)
1091                         output 1 "Allowing domain(s) and restarting Unbound "
1092                         output 2 "Allowing domain(s) \\n"
1093                         for c in $string; do
1094                                 output 2 "  $c "
1095                                 if sed -i "/${string}/d" "$outputFile" && \
1096                                         uci_add_list_if_new "$packageName" 'config' 'allowed_domain' "$string"; then
1097                                                 output_ok
1098                                 else
1099                                         output_fail
1100                                 fi
1101                         done
1102                         if [ "$compressed_cache" -gt 0 ]; then
1103                                 output 2 'Creating compressed cache '
1104                                 if cache 'create_gzip'; then
1105                                         output_ok
1106                                 else
1107                                         output_failn
1108                                 fi
1109                         fi
1110                         output 2 "Committing changes to config "
1111                         if [ -n "$(uci_changes "$packageName")" ] && uci_commit "$packageName"; then
1112                                 allowed_domain="$(uci_get "$packageName" 'config' 'allowed_domain')"
1113                                 json set triggers
1114                                 json set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${dns})"
1115                                 output_ok;
1116                                 output 2 "Restarting Unbound "
1117                                 if unbound_restart; then output_okn; else output_failn; fi
1118                         else
1119                                 output_fail;
1120                         fi
1121                 ;;
1122         esac
1123 }
1124
1125 adb_check() {
1126         local c param="$1"
1127         local validation_result="$3"
1128         load_environment "$validation_result" 'quiet' || return 1
1129         if [ ! -s "$outputFile" ]; then
1130                 output "No block-list ('$outputFile') found.\\n"
1131                 return 0
1132         elif [ -z "$param" ]; then
1133                 output "Usage: /etc/init.d/${packageName} check 'domain' ...\\n"
1134                 return 0
1135         fi
1136         for string in ${param}; do
1137                 c="$(grep -c "$string" "$outputFile")"
1138                 if [ "$c" -gt 0 ]; then
1139                         if [ "$c" -eq 1 ]; then
1140                                 output "Found 1 match for '$string' in '$outputFile'.\\n"
1141                         else
1142                                 output "Found $c matches for '$string' in '$outputFile'.\\n"
1143                         fi
1144                         if [ "$c" -le 20 ]; then
1145                                 case "$dns" in
1146                                         dnsmasq.addnhosts)
1147                                                 grep "$string" "$outputFile" | sed 's|^127.0.0.1 ||;s|^:: ||;';;
1148                                         dnsmasq.conf)
1149                                                 grep "$string" "$outputFile" | sed 's|local=/||;s|/$||;';;
1150                                         dnsmasq.ipset)
1151                                                 grep "$string" "$outputFile" | sed 's|ipset=/||;s|/adb$||;';;
1152                                         dnsmasq.nftset)
1153                                                 grep "$string" "$outputFile" | sed 's|nftset=/||;s|/4#inet#adb#adb4||;';;
1154                                         dnsmasq.servers)
1155                                                 grep "$string" "$outputFile" | sed 's|server=/||;s|/$||;';;
1156                                         unbound.adb_list)
1157                                                 grep "$string" "$outputFile" | sed 's|^local-zone: "||;s|" static$||;';;
1158                                 esac
1159                         fi
1160                 else
1161                         output "The '$string' is not found in current block-list ('$outputFile').\\n"
1162                 fi
1163         done
1164 }
1165
1166 adb_config_update() {
1167         local R_TMP label
1168         local param validation_result="$3"
1169         case "$1" in
1170                 on_boot) param="$1";;
1171                 *) param='quiet';;
1172         esac
1173         load_environment "$validation_result" "$param" || return 1
1174         label="${config_update_url##*//}"
1175         label="${label%%/*}";
1176         [ "$config_update_enabled" -ne 0 ] || return 0
1177
1178         if [ "$param" != 'download' ]; then
1179                 cache 'test' && return 0
1180                 cache 'test_gzip' && return 0
1181         fi
1182         output 1 'Updating config '
1183         while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
1184                 R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
1185         done
1186         if ! $dl_command "$config_update_url" "$dl_flag" "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
1187                 output 1 "$_FAIL_\\n"
1188                 output 2 "[DL] Config  Update:  $label $__FAIL__\\n"
1189                 json add error "errorDownloadingConfigUpdate"
1190         else
1191                 if [ -s "$R_TMP" ] && sed -f "$R_TMP" -i "$packageConfigFile" 2>/dev/null; then
1192                         output 1 "$_OK_\\n"
1193                         output 2 "[DL] Config  Update:  $label $__OK__\\n"
1194                 else
1195                         output 1 "$_FAIL_\\n"
1196                         output 2 "[DL] Config  Update:  $label $__FAIL__\\n"
1197                         json add error "errorParsingConfigUpdate"
1198                 fi
1199         fi
1200         rm -f "$R_TMP"
1201         return 0
1202 }
1203
1204 adb_sizes() {
1205         local i
1206         local validation_result="$3"
1207         load_environment "$validation_result" 'quiet' || return 1
1208
1209         echo "# $(date)"
1210         for i in ${blocked_adblockplus_url}; do
1211                 [ "${i//melmac}" != "$i" ] && continue
1212                 if $dl_command "$i" "$dl_flag" /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
1213                         echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
1214                         if is_greater "$(du -sk /tmp/sast)" "500"; then
1215                                 echo "# block-list too big for most routers"
1216                         elif is_greater "$(du -sk /tmp/sast)" "100"; then
1217                                 echo "# block-list may be too big for some routers"
1218                         fi
1219                         rm -rf /tmp/sast
1220                         echo "  list blocked_adblockplus_url '$i'"
1221                         echo ""
1222                 else
1223                         echo "# site was down on last check"
1224                         echo "#  list blocked_adblockplus_url '$i'"
1225                         echo ""
1226                 fi
1227         done
1228         for i in ${blocked_domains_url}; do
1229                 [ "${i//melmac}" != "$i" ] && continue
1230                 if $dl_command "$i" "$dl_flag" /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
1231                         echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
1232                         if is_greater "$(du -sk /tmp/sast)" "500"; then
1233                                 echo "# block-list too big for most routers"
1234                         elif is_greater "$(du -sk /tmp/sast)" "100"; then
1235                                 echo "# block-list may be too big for some routers"
1236                         fi
1237                         rm -rf /tmp/sast
1238                         echo "  list blocked_domains_url '$i'"
1239                         echo ""
1240                 else
1241                         echo "# site was down on last check"
1242                         echo "#  list blocked_domains_url '$i'"
1243                         echo ""
1244                 fi
1245         done
1246         for i in ${blocked_hosts_url}; do
1247                 if $dl_command "$i" "$dl_flag" /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
1248                         echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
1249                         if is_greater "$(du -sk /tmp/sast)" "500"; then
1250                                 echo "# block-list too big for most routers"
1251                         elif is_greater "$(du -sk /tmp/sast)" "100"; then
1252                                 echo "# block-list may be too big for some routers"
1253                         fi
1254                         rm -rf /tmp/sast
1255                         echo "  list blocked_hosts_url '$i'"
1256                         echo ""
1257                 else
1258                         echo "# site was down on last check"
1259                         echo "#  list blocked_hosts_url '$i'"
1260                         echo ""
1261                 fi
1262         done
1263 }
1264
1265 adb_start() {
1266         local action status error message stats c
1267         local param="$1" validation_result="$3"
1268
1269         load_environment "$validation_result" "$param" || return 1
1270
1271         status="$(json get status)"
1272         error="$(json get error)"
1273         message="$(json get message)"
1274         stats="$(json get stats)"
1275         action="$(json get triggers)"
1276
1277         if [ "$action" = 'on_boot' ] || [ "$1" = 'on_boot' ]; then
1278                 if cache 'test_gzip' || cache 'test'; then
1279                         action='restore'
1280                 else
1281                         action='download'
1282                 fi
1283         elif [ "$action" = 'download' ] || [ "$1" = 'download' ] || [ -n "$error" ]; then
1284                 action='download'
1285         elif [ ! -s "$outputFile" ]; then
1286                 if cache 'test_gzip' || cache 'test'; then
1287                         action='restore'
1288                 else
1289                         action='download'
1290                 fi
1291         elif [ "$action" = 'restart' ] || [ "$1" = 'restart' ]; then
1292                 action='restart'
1293         elif [ -s "$outputFile" ] && [ "$status" = "statusSuccess" ] && [ -z "$error" ]; then
1294                 status_service
1295                 return 0
1296         else
1297                 action='download'
1298         fi
1299
1300         json del all
1301         json set triggers
1302
1303         if [ "$action" = 'restore' ]; then
1304                 output 0 "Starting $serviceName... "
1305                 output 3 "Starting $serviceName...\\n"
1306                 json set status "statusStarting"
1307                 if cache 'test_gzip' && ! cache 'test' && [ ! -s "$outputFile" ]; then
1308                         output 3 'Found compressed cache file, unpacking it '
1309                         json set message 'found compressed cache file, unpacking it.'
1310                         if cache 'unpack_gzip'; then
1311                                 output_okn
1312                         else
1313                                 output_failn
1314                                 json add error "errorRestoreCompressedCache"
1315                                 output "${_ERROR_}: $(get_text 'errorRestoreCompressedCache')!\\n"
1316                                 action='download'
1317                         fi
1318                 fi
1319                 if cache 'test' && [ ! -s "$outputFile" ]; then
1320                         output 3 'Found cache file, reusing it '
1321                         json set message 'found cache file, reusing it.'
1322                         if cache 'restore'; then
1323                                 output_okn
1324                                 dns 'on_start'
1325                         else
1326                                 output_failn
1327                                 json add error "errorRestoreCache"
1328                                 output "${_ERROR_}: $(get_text 'errorRestoreCache')!\\n"
1329                                 action='download'
1330                         fi
1331                 fi
1332         fi
1333         if [ "$action" = 'download' ]; then
1334                 if [ -s "$outputFile" ] || cache 'test' || cache 'test_gzip'; then
1335                         output 0 "Force-reloading $serviceName... "
1336                         output 3 "Force-reloading $serviceName...\\n"
1337                         json set status "statusForceReloading"
1338                 else
1339                         output 0 "Starting $serviceName... "
1340                         output 3 "Starting $serviceName...\\n"
1341                         json set status "statusStarting"
1342                 fi
1343                 if [ -n "$dnsmasq_config_file_url" ]; then
1344                         download_dnsmasq_file
1345                 else
1346                         download_lists
1347                 fi
1348                 dns 'on_start'
1349         fi
1350         if [ "$action" = 'restart' ]; then
1351                 output 0 "Restarting $serviceName... "
1352                 output 3 "Restarting $serviceName...\\n"
1353                 json set status "statusRestarting"
1354                 dns 'on_start'
1355         fi
1356         if [ "$action" = 'start' ]; then
1357                 output 0 "Starting $serviceName... "
1358                 output 3 "Starting $serviceName...\\n"
1359                 json set status "statusStarting"
1360                 dns 'on_start'
1361         fi
1362         if [ -s "$outputFile" ] && [ "$(json get status)" != "statusFail" ]; then
1363                 output 0 "$__OK__\\n";
1364                 json del message
1365                 json set status "statusSuccess"
1366                 json set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${dns})"
1367                 status_service
1368         else
1369                 output 0 "$__FAIL__\\n";
1370                 json set status "statusFail"
1371                 json add error "errorOhSnap"
1372                 status_service
1373         fi
1374
1375         procd_open_instance 'main'
1376         procd_set_param command /bin/true
1377         procd_set_param stdout 1
1378         procd_set_param stderr 1
1379         procd_open_data
1380         json_add_string 'status' "$(json get status)"
1381         json_add_string 'errors' "$(json get errors)"
1382         if [ -s "$outputFile" ]; then
1383                 json_add_int 'entries' "$(wc -l < "$outputFile")"
1384         else
1385                 json_add_int 'entries' '0'
1386         fi
1387         json_add_array firewall
1388         if [ "$force_dns" -ne 0 ]; then
1389                 for c in $force_dns_port; do
1390                         if netstat -tuln | grep LISTEN | grep ":${c}" >/dev/null 2>&1; then
1391                                 json_add_object ""
1392                                 json_add_string type redirect
1393                                 json_add_string target DNAT
1394                                 json_add_string src lan
1395                                 json_add_string proto "tcp udp"
1396                                 json_add_string src_dport "$c"
1397                                 json_add_string dest_port "$c"
1398                                 json_add_string family any
1399                                 json_add_boolean reflection 0
1400                                 json_close_object
1401                         else
1402                                 json_add_object ""
1403                                 json_add_string type rule
1404                                 json_add_string src lan
1405                                 json_add_string dest "*"
1406                                 json_add_string proto "tcp udp"
1407                                 json_add_string dest_port "$c"
1408                                 json_add_string target REJECT
1409                                 json_close_object
1410                         fi
1411                 done
1412         fi
1413         case "$dns" in
1414                 dnsmasq.ipset)
1415                         json_add_object ""
1416                         json_add_string type ipset
1417                         json_add_string name adb
1418                         json_add_string match dest_net
1419                         json_add_string storage hash
1420                         json_close_object
1421                         json_add_object ""
1422                         json_add_string type rule
1423                         json_add_string ipset adb
1424                         json_add_string src lan
1425                         json_add_string dest "*"
1426                         json_add_string proto "tcp udp"
1427                         json_add_string target REJECT
1428                         json_close_object
1429                 ;;
1430                 dnsmasq.nftset)
1431                         json_add_object ""
1432                         json_add_string type ipset
1433                         json_add_string name adb4
1434                         json_add_string family 4
1435                         json_add_string match dest_net
1436                         json_close_object
1437                         json_add_object ""
1438                         json_add_string type rule
1439                         json_add_string ipset adb4
1440                         json_add_string src lan
1441                         json_add_string dest "*"
1442                         json_add_string proto "tcp udp"
1443                         json_add_string target REJECT
1444                         json_close_object
1445                         if [ "$ipv6_enabled" -ne 0 ]; then
1446                                 json_add_object ""
1447                                 json_add_string type ipset
1448                                 json_add_string name adb6
1449                                 json_add_string family 6
1450                                 json_add_string match dest_net
1451                                 json_close_object
1452                                 json_add_object ""
1453                                 json_add_string type rule
1454                                 json_add_string ipset adb6
1455                                 json_add_string src lan
1456                                 json_add_string dest "*"
1457                                 json_add_string proto "tcp udp"
1458                                 json_add_string target REJECT
1459                                 json_close_object
1460                         fi
1461                 ;;
1462         esac
1463         json_close_array
1464         procd_close_data
1465         procd_close_instance
1466 }
1467
1468 adb_status() {
1469         local c url status message error stats
1470         local validation_result="$3"
1471         load_environment "$validation_result" 'quiet' || return 1
1472         status="$(json get status)"
1473         message="$(json get message)"
1474         error="$(json get error)"
1475         stats="$(json get stats)"
1476         if [ "$status" = "statusSuccess" ]; then
1477                 output "$stats "; output_okn;
1478         else
1479                 [ -n "$status" ] && status="$(get_text "$status")"
1480                 if [ -n "$status" ] && [ -n "$message" ]; then
1481                         status="${status}: $message"
1482                 fi
1483                 [ -n "$status" ] && output "$serviceName $status\\n"
1484         fi
1485         if [ -n "$error" ]; then
1486                 for c in $error; do
1487                         url="${c##*|}"
1488                         c="${c%|*}"
1489                         case "$c" in
1490                                 errorDownloadingList|errorParsingList)
1491                                         output "${_ERROR_}: $(get_text "$c") $url!\\n";;
1492                                 *)
1493                                         output "${_ERROR_}: $(get_text "$c")!\\n";;
1494                         esac
1495                         n=$((n+1))
1496                 done
1497         fi
1498 }
1499
1500 adb_stop() {
1501         local validation_result="$3"
1502         load_environment "$validation_result" 'quiet' || return 1
1503         if [ -s "$outputFile" ]; then
1504                 output "Stopping $serviceName... "
1505                 cache 'create'
1506                 if dns 'on_stop'; then
1507                         ipset -q -! flush adb
1508                         ipset -q -! destroy adb
1509                         nft delete set inet fw4 adb4
1510                         nft delete set inet fw4 adb6
1511                         led_off "$led"
1512                         output 0 "$__OK__\\n"; output_okn;
1513                         json set status "statusStopped"
1514                         json del message
1515                 else
1516                         output 0 "$__FAIL__\\n"; output_fail;
1517                         json set status "statusFail"
1518                         json add error "errorStopping"
1519                         output "${_ERROR_}: $(get_text 'errorStopping')!\\n"
1520                 fi
1521         fi
1522 }
1523
1524 allow() { load_validate_config 'config' adb_allow "'$*'"; }
1525 boot() {
1526         ubus -t 30 wait_for network.interface 2>/dev/null
1527         rc_procd start_service 'on_boot'
1528 }
1529 check() { load_validate_config 'config' adb_check "'$*'"; }
1530 dl() { rc_procd start_service 'download'; }
1531 killcache() {
1532         local compressed_cache_dir
1533         config_load "$packageName"
1534         config_get compressed_cache_dir 'config' 'compressed_cache_dir' '/etc'
1535         if [ "$(sanitize_dir "$compressed_cache_dir")" = '/' ]; then
1536                 compressed_cache_dir=''
1537         elif [ -n "$(sanitize_dir "$compressed_cache_dir")" ]; then
1538                 compressed_cache_dir="$(sanitize_dir "$compressed_cache_dir")"
1539         else
1540                 compressed_cache_dir="/etc"
1541         fi
1542         rm -f "$dnsmasqAddnhostsCache" "${compressed_cache_dir}/${dnsmasqAddnhostsGzip}"
1543         rm -f "$dnsmasqConfCache" "${compressed_cache_dir}/${dnsmasqConfGzip}"
1544         rm -f "$dnsmasqIpsetCache" "${compressed_cache_dir}/${dnsmasqIpsetGzip}"
1545         rm -f "$dnsmasqNftsetCache" "${compressed_cache_dir}/${dnsmasqNftsetGzip}"
1546         rm -f "$dnsmasqServersCache" "${compressed_cache_dir}/${dnsmasqServersGzip}"
1547         rm -f "$unboundCache" "$unboundGzip"
1548         config_load 'dhcp'
1549         config_foreach resolver 'dnsmasq' 'cleanup'
1550         uci_commit 'dhcp'
1551         return 0
1552 }
1553 reload_service() { rc_procd start_service 'restart'; }
1554 restart_service() { rc_procd start_service 'restart'; }
1555 service_started() { procd_set_config_changed firewall; }
1556 service_stopped() { procd_set_config_changed firewall; }
1557 service_triggers() {
1558         local wan wan6 i
1559         local procd_trigger_wan6
1560         config_load "$packageName"
1561         config_get_bool procd_trigger_wan6 'config' 'procd_trigger_wan6' '0'
1562         . /lib/functions/network.sh
1563         network_flush_cache
1564         network_find_wan wan
1565         wan="${wan:-wan}"
1566         if [ "$procd_trigger_wan6" -ne 0 ]; then
1567                 network_find_wan6 wan6
1568                 wan6="${wan6:-wan6}"
1569         fi
1570         for i in "$wan" "$wan6"; do
1571                 [ -n "$i" ] && procd_add_interface_trigger "interface.*" "$i" "/etc/init.d/${packageName}" start
1572         done
1573         procd_add_config_trigger "config.change" "$packageName" "/etc/init.d/${packageName}" reload
1574 }
1575 sizes() { load_validate_config 'config' adb_sizes "''"; }
1576 start_service() {
1577         load_validate_config 'config' adb_config_update "'$*'"
1578         load_validate_config 'config' adb_start "'$*'"
1579 }
1580 status_service() { load_validate_config 'config' adb_status "''"; }
1581 stop_service() { load_validate_config 'config' adb_stop "'$*'"; }
1582 version() { echo "$PKG_VERSION"; }
1583
1584 load_validate_config() {
1585         . /lib/functions/network.sh
1586         . /usr/share/libubox/jshn.sh
1587         local enabled
1588         local force_dns
1589         local force_dns_port
1590         local parallel_downloads
1591         local debug
1592         local compressed_cache
1593         local compressed_cache_dir
1594         local ipv6_enabled
1595         local allow_non_ascii
1596         local canary_domains_icloud
1597         local canary_domains_mozilla
1598         local config_update_enabled
1599         local config_update_url
1600         local download_timeout
1601         local curl_additional_param
1602         local curl_max_file_size
1603         local curl_retry
1604         local verbosity
1605         local procd_trigger_wan6
1606         local procd_boot_wan_timeout
1607         local led
1608         local dns
1609         local dns_instance
1610         local allowed_domain
1611         local allowed_domains_url
1612         local blocked_adblockplus_url
1613         local blocked_domain
1614         local blocked_domains_url
1615         local blocked_hosts_url
1616         local dnsmasq_config_file_url
1617         uci_load_validate "$packageName" "$packageName" "$1" "${2}${3:+ $3}" \
1618                 'enabled:bool:0' \
1619                 'force_dns:bool:1' \
1620                 'force_dns_port:list(integer):53 853' \
1621                 'parallel_downloads:bool:1' \
1622                 'debug:bool:0' \
1623                 'compressed_cache:bool:0' \
1624                 'compressed_cache_dir:directory:/etc' \
1625                 'ipv6_enabled:bool:0' \
1626                 'allow_non_ascii:bool:0' \
1627                 'canary_domains_icloud:bool:0' \
1628                 'canary_domains_mozilla:bool:0' \
1629                 'config_update_enabled:bool:0' \
1630                 'config_update_url:string:https://cdn.jsdelivr.net/gh/openwrt/packages/net/simple-adblock/files/simple-adblock.conf.update' \
1631                 'download_timeout:range(1,60):20' \
1632                 'curl_additional_param:or("", string)' \
1633                 'curl_max_file_size:or("", uinteger)' \
1634                 'curl_retry:range(0,30):3' \
1635                 'verbosity:range(0,2):2' \
1636                 'procd_trigger_wan6:bool:0' \
1637                 'procd_boot_wan_timeout:integer:60' \
1638                 'led:or("", "none", file, device, string)' \
1639                 'dns:or("dnsmasq.addnhosts", "dnsmasq.conf", "dnsmasq.ipset", "dnsmasq.nftset", "dnsmasq.servers", "unbound.adb_list"):dnsmasq.servers' \
1640                 'dns_instance:or(list(integer, string)):0' \
1641                 'allowed_domain:list(string)' \
1642                 'allowed_domains_url:list(string)' \
1643                 'blocked_domain:list(string)' \
1644                 'blocked_adblockplus_url:list(string)' \
1645                 'blocked_domains_url:list(string)' \
1646                 'blocked_hosts_url:list(string)' \
1647                 'dnsmasq_config_file_url:string'
1648 }