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

   1 #!/bin/sh /etc/rc.common
   2 # Copyright 2017-2020 Stan Grishin (stangri@melmac.net)
   3 # shellcheck disable=SC2039,SC1091,SC2016
   4 PKG_VERSION='dev-test'
   5
   6 # shellcheck disable=SC2034
   7 START=94
   8 # shellcheck disable=SC2034
   9 USE_PROCD=1
  10 LC_ALL=C
  11
  12 extra_command 'check' 'Checks if specified domain is found in current block-list'
  13 extra_command 'dl' 'Force-downloads all enabled block-list'
  14 extra_command 'killcache' 'Delete all cached files'
  15 extra_command 'sizes' 'Displays the file-sizes of enabled block-listo'
  16 extra_command 'show' 'Shows the service last-run status'
  17 extra_command 'version' 'Show version information'
  18
  19 readonly packageName='simple-adblock'
  20 readonly serviceName="$packageName $PKG_VERSION"
  21 readonly addnhostsFile="/var/run/${packageName}.addnhosts"
  22 readonly addnhostsCache="/var/run/${packageName}.addnhosts.cache"
  23 readonly addnhostsGzip="/etc/${packageName}.addnhosts.gz"
  24 readonly addnhostsOutputFilter='s|^|127.0.0.1 |;s|$||'
  25 readonly addnhostsOutputFilterIPv6='s|^|:: |;s|$||'
  26 readonly dnsmasqFile="/var/dnsmasq.d/${packageName}"
  27 readonly dnsmasqCache="/var/run/${packageName}.dnsmasq.cache"
  28 readonly dnsmasqGzip="/etc/${packageName}.dnsmasq.gz"
  29 readonly dnsmasqOutputFilter='s|^|local=/|;s|$|/|'
  30 readonly ipsetFile="/var/dnsmasq.d/${packageName}.ipset"
  31 readonly ipsetCache="/var/run/${packageName}.ipset.cache"
  32 readonly ipsetGzip="/etc/${packageName}.ipset.gz"
  33 readonly ipsetOutputFilter='s|^|ipset=/|;s|$|/adb|'
  34 readonly serversFile="/var/run/${packageName}.servers"
  35 readonly serversCache="/var/run/${packageName}.servers.cache"
  36 readonly serversGzip="/etc/${packageName}.servers.gz"
  37 readonly serversOutputFilter='s|^|server=/|;s|$|/|'
  38 readonly unboundFile="/var/lib/unbound/adb_list.${packageName}"
  39 readonly unboundCache="/var/run/${packageName}.unbound.cache"
  40 readonly unboundGzip="/etc/${packageName}.unbound.gz"
  41 readonly unboundOutputFilter='s|^|local-zone: "|;s|$|" static|'
  42 readonly A_TMP="/var/${packageName}.hosts.a.tmp"
  43 readonly B_TMP="/var/${packageName}.hosts.b.tmp"
  44 readonly jsonFile="/var/run/${packageName}.json"
  45 readonly sharedMemoryError="/dev/shm/$packageName-error"
  46 readonly sharedMemoryOutput="/dev/shm/$packageName-output"
  47 readonly hostsFilter='/localhost/d;/^#/d;/^[^0-9]/d;s/^0\.0\.0\.0.//;s/^127\.0\.0\.1.//;s/[[:space:]]*#.*$//;s/[[:cntrl:]]$//;s/[[:space:]]//g;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
  48 readonly domainsFilter='/^#/d;s/[[:space:]]*#.*$//;s/[[:space:]]*$//;s/[[:cntrl:]]$//;/[[:space:]]/d;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
  49 readonly _OK_='\033[0;32m\xe2\x9c\x93\033[0m'
  50 readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m'
  51 readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m'
  52 readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m'
  53 readonly _ERROR_='\033[0;31mERROR\033[0m'
  54 readonly _WARNING_='\033[0;33mWARNING\033[0m'
  55
  56 version() { echo "$PKG_VERSION"; }
  57
  58 getStatusText() {
  59         local _ret
  60         case "$1" in
  61                 statusNoInstall) _ret="$serviceName is not installed or not found";;
  62                 statusStopped) _ret="Stopped";;
  63                 statusStarting) _ret="Starting";;
  64                 statusRestarting) _ret="Restarting";;
  65                 statusForceReloading) _ret="Force Reloading";;
  66                 statusDownloading) _ret="Downloading";;
  67                 statusProcessing) _ret="Processing";;
  68                 statusError) _ret="Error";;
  69                 statusWarning) _ret="Warning";;
  70                 statusFail) _ret="Fail";;
  71                 statusSuccess) _ret="Success";;
  72         esac
  73         printf "%b" "$_ret"
  74 }
  75 getErrorText() {
  76         local _ret
  77         case "$1" in
  78                 errorOutputFileCreate) _ret="failed to create $outputFile file";;
  79                 errorFailDNSReload) _ret="failed to restart/reload DNS resolver";;
  80                 errorSharedMemory) _ret="failed to access shared memory";;
  81                 errorSorting) _ret="failed to sort data file";;
  82                 errorOptimization) _ret="failed to optimize data file";;
  83                 errorAllowListProcessing) _ret="failed to process allow-list";;
  84                 errorDataFileFormatting) _ret="failed to format data file";;
  85                 errorMovingDataFile) _ret="failed to move data file '${A_TMP}' to '${outputFile}'";;
  86                 errorCreatingCompressedCache) _ret="failed to create compressed cache";;
  87                 errorRemovingTempFiles) _ret="failed to remove temporary files";;
  88                 errorRestoreCompressedCache) _ret="failed to unpack compressed cache";;
  89                 errorRestoreCache) _ret="failed to move '$outputCache' to '$outputFile'";;
  90                 errorOhSnap) _ret="failed to create block-list or restart DNS resolver";;
  91                 errorStopping) _ret="failed to stop $serviceName";;
  92                 errorDNSReload) _ret="failed to reload/restart DNS resolver";;
  93                 errorDownloadingConfigUpdate) _ret="failed to download Config Update file";;
  94                 errorDownloadingList) _ret="failed to download";;
  95                 errorParsingList) _ret="failed to parse";;
  96                 errorParsingConfigUpdate) _ret="failed to parse Config Update file";;
  97         esac
  98         printf "%b" "$_ret"
  99 }
 100
 101 output_ok() { output 1 "$_OK_"; output 2 "$__OK__\\n"; }
 102 output_okn() { output 1 "$_OK_\\n"; output 2 "$__OK__\\n"; }
 103 output_fail() { output 1 "$_FAIL_"; output 2 "$__FAIL__\\n"; }
 104 output_failn() { output 1 "$_FAIL_\\n"; output 2 "$__FAIL__\\n"; }
 105 str_replace() { printf "%b" "$1" | sed -e "s/$(printf "%b" "$2")/$(printf "%b" "$3")/g"; }
 106 str_contains() { test "$1" != "$(str_replace "$1" "$2" '')"; }
 107 compare_values() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
 108 is_chaos_calmer() { ubus -S call system board | grep -q 'Chaos Calmer'; }
 109 led_on(){ if [ -n "${1}" ] && [ -e "${1}/trigger" ]; then echo 'default-on' > "${1}/trigger" 2>&1; fi; }
 110 led_off(){ if [ -n "${1}" ] &&  [ -e "${1}/trigger" ]; then echo 'none' > "${1}/trigger" 2>&1; fi; }
 111 dnsmasq_hup() { killall -q -HUP dnsmasq; }
 112 dnsmasq_kill() { killall -q -KILL dnsmasq; }
 113 dnsmasq_restart() { /etc/init.d/dnsmasq restart >/dev/null 2>&1; }
 114 unbound_restart() { /etc/init.d/unbound restart >/dev/null 2>&1; }
 115 is_force_dns_active() { iptables-save | grep -q -w -- '--dport 53'; }
 116 is_present() { command -v "$1" >/dev/null 2>&1; }
 117
 118 output() {
 119 # Can take a single parameter (text) to be output at any verbosity
 120 # Or target verbosity level and text to be output at specifc verbosity
 121         local msg memmsg logmsg
 122         if [ $# -ne 1 ]; then
 123                 if [ $((verbosity & $1)) -gt 0 ] || [ "$verbosity" = "$1" ]; then shift; else return 0; fi
 124         fi
 125         [ -t 1 ] && printf "%b" "$1"
 126         msg="${1//$serviceName /service }";
 127         if [ "$(printf "%b" "$msg" | wc -l)" -gt 0 ]; then
 128                 [ -s "$sharedMemoryOutput" ] && memmsg="$(cat "$sharedMemoryOutput")"
 129                 logmsg="$(printf "%b" "${memmsg}${msg}" | sed 's/\x1b\[[0-9;]*m//g')"
 130                 logger -t "${packageName:-service} [$$]" "$(printf "%b" "$logmsg")"
 131                 rm -f "$sharedMemoryOutput"
 132         else
 133                 printf "%b" "$msg" >> "$sharedMemoryOutput"
 134         fi
 135 }
 136
 137 serviceEnabled=''; forceDNS=''; forceDNSPorts=''; parallelDL=''; debug='';
 138 compressedCache=''; ipv6Enabled=''; configUpdateEnabled=''; configUpdateURL='';
 139 bootDelay=''; dlTimeout=''; curlRetry=''; verbosity=''; led='';
 140 targetDNS=''; dnsInstance='';
 141 allowed_domains=''; allowed_domains_urls='';
 142 blocked_domains=''; blocked_domains_urls=''; blocked_hosts_urls='';
 143 dl_command=''; dl_flag=''; isSSLSupported=''; allowIDN='';
 144 outputFilter=''; outputFilterIPv6=''; outputFile=''; outputGzip=''; outputCache='';
 145 awk='awk';
 146
 147 load_package_config() {
 148         config_load "$packageName"
 149         config_get_bool serviceEnabled        'config' 'enabled' 1
 150         config_get_bool forceDNS              'config' 'force_dns' 1
 151         config_get_bool parallelDL            'config' 'parallel_downloads' 1
 152         config_get_bool debug                 'config' 'debug' 0
 153         config_get_bool compressedCache       'config' 'compressed_cache' 0
 154         config_get_bool ipv6Enabled           'config' 'ipv6_enabled' 0
 155         config_get_bool configUpdateEnabled   'config' 'config_update_enabled' 0
 156         config_get forceDNSPorts              'config' 'force_dns_port' '53 853'
 157         config_get bootDelay                  'config' 'boot_delay' '120'
 158         config_get dlTimeout                  'config' 'download_timeout' '20'
 159         config_get curlRetry                  'config' 'curl_retry' '3'
 160         config_get verbosity                  'config' 'verbosity' '2'
 161         config_get led                        'config' 'led'
 162         config_get targetDNS                  'config' 'dns' 'dnsmasq.servers'
 163         config_get dnsInstance                'config' 'dns_instance' '0'
 164         config_get allowed_domains            'config' 'allowed_domain'
 165         config_get allowed_domains_urls       'config' 'allowed_domains_url'
 166         config_get blocked_domains            'config' 'blocked_domain'
 167         config_get blocked_domains_urls       'config' 'blocked_domains_url'
 168         config_get blocked_hosts_urls         'config' 'blocked_hosts_url'
 169         config_get configUpdateURL            'config' 'config_update_url' 'https://cdn.jsdelivr.net/gh/openwrt/packages/net/simple-adblock/files/simple-adblock.conf.update'
 170
 171         if [ "$targetDNS" != 'dnsmasq.addnhosts' ] && [ "$targetDNS" != 'dnsmasq.conf' ] && \
 172                  [ "$targetDNS" != 'dnsmasq.servers' ] && [ "$targetDNS" != 'unbound.adb_list' ] && \
 173                  [ "$targetDNS" != 'dnsmasq.ipset' ] ; then
 174                 targetDNS='dnsmasq.servers'
 175         fi
 176
 177         case "$targetDNS" in
 178                 dnsmasq.addnhosts)
 179                         outputFilter="$addnhostsOutputFilter"
 180                         outputFile="$addnhostsFile"
 181                         outputCache="$addnhostsCache"
 182                         outputGzip="$addnhostsGzip"
 183                         [ "$ipv6Enabled" -gt 0 ] && outputFilterIPv6="$addnhostsOutputFilterIPv6"
 184                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 185                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 186                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 187                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 188                         ;;
 189                 dnsmasq.conf)
 190                         outputFilter="$dnsmasqOutputFilter"
 191                         outputFile="$dnsmasqFile"
 192                         outputCache="$dnsmasqCache"
 193                         outputGzip="$dnsmasqGzip"
 194                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 195                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 196                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 197                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 198                         ;;
 199                 dnsmasq.ipset)
 200                         outputFilter="$ipsetOutputFilter"
 201                         outputFile="$ipsetFile"
 202                         outputCache="$ipsetCache"
 203                         outputGzip="$ipsetGzip"
 204                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 205                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 206                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 207                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 208                         ;;
 209                 dnsmasq.servers)
 210                         outputFilter="$serversOutputFilter"
 211                         outputFile="$serversFile"
 212                         outputCache="$serversCache"
 213                         outputGzip="$serversGzip"
 214                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 215                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 216                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 217                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 218                         ;;
 219                 unbound.adb_list)
 220                         outputFilter="$unboundOutputFilter"
 221                         outputFile="$unboundFile"
 222                         outputCache="$unboundCache"
 223                         outputGzip="$unboundGzip"
 224                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 225                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 226                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 227                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 228                         ;;
 229         esac
 230         if [ -z "${verbosity##*[!0-9]*}" ] || [ "$verbosity" -lt 0 ] || [ "$verbosity" -gt 2 ]; then
 231                 verbosity=1
 232         fi
 233         . /lib/functions/network.sh
 234         . /usr/share/libubox/jshn.sh
 235         is_present 'gawk' && awk='gawk'
 236         if ! is_present '/usr/libexec/grep-gnu' || ! is_present '/usr/libexec/sed-gnu' || \
 237                 ! is_present '/usr/libexec/sort-coreutils' || ! is_present 'gawk'; then
 238                         local s="opkg update; opkg --force-overwrite install"
 239                         is_present 'gawk' || s="$s gawk"
 240                         is_present '/usr/libexec/grep-gnu' || s="$s grep"
 241                         is_present '/usr/libexec/sed-gnu' || s="$s sed"
 242                         is_present '/usr/libexec/sort-coreutils' || s="$s coreutils-sort"
 243                         output "$_WARNING_: Some recommended packages are missing, install them by running:\\n"
 244                         output "$s;\\n"
 245         fi
 246         # Prefer curl because it supports the file:// scheme.
 247         if is_present 'curl'; then
 248                 dl_command="curl --insecure --retry $curlRetry --connect-timeout $dlTimeout --silent"
 249                 dl_flag="-o"
 250         elif is_present wget && wget --version 2>/dev/null | grep -q "+https"; then
 251                 dl_command="wget --no-check-certificate --timeout $dlTimeout -q"
 252                 dl_flag="-O"
 253         else
 254                 dl_command="uclient-fetch --no-check-certificate --timeout $dlTimeout -q"
 255                 dl_flag="-O"
 256         fi
 257         led="${led:+/sys/class/leds/$led}"
 258         if curl --version 2>/dev/null | grep -q "https" \
 259                 || wget --version 2>/dev/null | grep -q "+https" \
 260                 || grep -q "libustream-mbedtls" /usr/lib/opkg/status \
 261                 || grep -q "libustream-openssl" /usr/lib/opkg/status \
 262                 || grep -q "libustream-wolfssl" /usr/lib/opkg/status; then
 263                 isSSLSupported=1
 264         else
 265                 unset isSSLSupported
 266         fi
 267 }
 268
 269 is_enabled() {
 270         wan_if=''; wan_gw='';
 271         load_package_config
 272
 273         if [ "$debug" -ne 0 ]; then
 274                 exec 1>>/tmp/simple-adblock.log
 275                 exec 2>&1
 276                 set -x
 277         fi
 278
 279         if [ "$serviceEnabled" -eq 0 ]; then
 280                 case "$1" in
 281                         on_start)
 282                                 output "$packageName is currently disabled.\\n"
 283                                 output "Run the following commands before starting service again:\\n"
 284                                 output "uci set ${packageName}.config.enabled='1'; uci commit $packageName;\\n"
 285                                 ;;
 286                 esac
 287                 return 1
 288         fi
 289
 290         case $targetDNS in
 291                 dnsmasq.addnhosts | dnsmasq.conf | dnsmasq.ipset | dnsmasq.servers)
 292                         if dnsmasq -v 2>/dev/null | grep -q 'no-IDN' || ! dnsmasq -v 2>/dev/null | grep -q -w 'IDN'; then
 293                                 allowIDN=0
 294                         else
 295                                 allowIDN=1
 296                         fi
 297                         ;;
 298                 unbound.adb_list)
 299                         allowIDN=1;;
 300         esac
 301
 302         case $targetDNS in
 303                 dnsmasq.ipset)
 304                         if dnsmasq -v 2>/dev/null | grep -q 'no-ipset' || ! dnsmasq -v 2>/dev/null | grep -q -w 'ipset'; then
 305                                 output "$_ERROR_: DNSMASQ ipset support is enabled in $packageName, but DNSMASQ is either not installed or installed DNSMASQ does not support ipsets!\\n"
 306                                 targetDNS='dnsmasq.servers'
 307                         fi
 308                         if ! ipset help hash:net >/dev/null 2>&1; then
 309                                 output "$_ERROR_: DNSMASQ ipset support is enabled in $packageName, but ipset is either not installed or installed ipset does not support 'hash:net' type!\\n"
 310                                 targetDNS='dnsmasq.servers'
 311                         fi
 312                         ;;
 313         esac
 314
 315         [ ! -d "${outputFile%/*}" ] && mkdir -p "${outputFile%/*}"
 316         [ ! -d "${outputCache%/*}" ] && mkdir -p "${outputFile%/*}"
 317         [ ! -d "${outputGzip%/*}" ] && mkdir -p "${outputFile%/*}"
 318         cacheOps 'testGzip' && return 0
 319         network_flush_cache; network_find_wan wan_if; network_get_gateway wan_gw "$wan_if";
 320         [ -n "$wan_gw" ] && return 0
 321         output "$_ERROR_: $serviceName failed to discover WAN gateway.\\n"; return 1;
 322 }
 323
 324 dnsmasqOps() {
 325         local cfg="$1" param="$2"
 326         case "$param" in
 327                 dnsmasq.addnhosts)
 328                         if [ "$(uci -q get dhcp."$cfg".serversfile)" = "$serversFile" ]; then
 329                                 uci -q del dhcp."$cfg".serversfile
 330                         fi
 331                         if ! uci -q get dhcp."$cfg".addnhosts | grep -q "$addnhostsFile"; then
 332                                 uci add_list dhcp."$cfg".addnhosts="$addnhostsFile"
 333                         fi
 334                         ;;
 335                 dnsmasq.conf|dnsmasq.ipset|unbound.adb_list|cleanup)
 336                         uci -q del_list dhcp."$cfg".addnhosts="$addnhostsFile"
 337                         if [ "$(uci -q get dhcp."$cfg".serversfile)" = "$serversFile" ]; then
 338                                 uci -q del dhcp."$cfg".serversfile
 339                         fi
 340                         ;;
 341                 dnsmasq.servers)
 342                         uci -q del_list dhcp."$cfg".addnhosts="$addnhostsFile"
 343                         if [ "$(uci -q get dhcp."$cfg".serversfile)" != "$serversFile" ]; then
 344                                 uci set dhcp."$cfg".serversfile="$serversFile"
 345                         fi
 346                         ;;
 347         esac
 348 }
 349
 350 dnsOps() {
 351         local param output_text i
 352         case $1 in
 353                 on_start)
 354                         if [ ! -s "$outputFile" ]; then
 355                                 jsonOps set status "statusFail"
 356                                 jsonOps add error "errorOutputFileCreate"
 357                                 output "$_ERROR_: $(getErrorText 'errorOutputFileCreate')!\\n"
 358                                 return 1
 359                         fi
 360
 361                         config_load 'dhcp'
 362                         if [ "$dnsInstance" = "*" ]; then
 363                                 config_foreach dnsmasqOps 'dnsmasq' "$targetDNS"
 364                         elif [ -n "$dnsInstance" ]; then
 365                                 for i in $dnsInstance; do
 366                                         dnsmasqOps "@dnsmasq[$i]" "$targetDNS"
 367                                 done
 368                         fi
 369
 370                         case "$targetDNS" in
 371                                 dnsmasq.addnhosts|dnsmasq.servers)
 372                                         param=dnsmasq_hup
 373                                         output_text='Reloading DNSMASQ'
 374                                         ;;
 375                                 dnsmasq.conf|dnsmasq.ipset)
 376                                         param=dnsmasq_restart
 377                                         output_text='Restarting DNSMASQ'
 378                                         ;;
 379                                 unbound.adb_list)
 380                                         param=unbound_restart
 381                                         output_text='Restarting Unbound'
 382                                         ;;
 383                         esac
 384
 385                         if [ -n "$(uci changes dhcp)" ]; then
 386                                 uci commit dhcp
 387                                 if [ "$param" = 'unbound_restart' ]; then
 388                                         param='dnsmasq_restart; unbound_restart;'
 389                                         output_text='Restarting Unbound/DNSMASQ'
 390                                 else
 391                                         param=dnsmasq_restart
 392                                         output_text='Restarting DNSMASQ'
 393                                 fi
 394                         fi
 395                         output 1 "$output_text "
 396                         output 2 "$output_text "
 397                         jsonOps set message "$output_text"
 398                         if eval "$param"; then
 399                                 jsonOps set status "statusSuccess"
 400                                 led_on "$led"
 401                                 output_okn
 402                         else
 403                                 output_fail
 404                                 jsonOps set status "statusFail"
 405                                 jsonOps add error "errorDNSReload"
 406                                 output "$_ERROR_: $(getErrorText 'errorDNSReload')!\\n"
 407                                 return 1
 408                         fi
 409                         ;;
 410                 on_stop)
 411                         case "$targetDNS" in
 412                                 dnsmasq.addnhosts | dnsmasq.servers)
 413                                         param=dnsmasq_hup
 414                                         ;;
 415                                 dnsmasq.conf | dnsmasq.ipset)
 416                                         param=dnsmasq_restart
 417                                         ;;
 418                                 unbound.adb_list)
 419                                         param=unbound_restart
 420                                         ;;
 421                         esac
 422                         if [ -n "$(uci changes dhcp)" ]; then
 423                                 uci -q commit dhcp
 424                                 if [ "$param" = 'unbound_restart' ]; then
 425                                         param='dnsmasq_restart; unbound_restart;'
 426                                 else
 427                                         param=dnsmasq_restart
 428                                 fi
 429                         fi
 430                         eval "$param"
 431                         return $?
 432                         ;;
 433                 quiet)
 434                         case "$targetDNS" in
 435                                 dnsmasq.addnhosts | dnsmasq.conf | dnsmasq.ipset | dnsmasq.servers)
 436                                         param=dnsmasq_restart
 437                                         ;;
 438                                 unbound.adb_list)
 439                                         param=unbound_restart
 440                                         ;;
 441                         esac
 442                         eval "$param"
 443                         return $?
 444                         ;;
 445         esac
 446 }
 447
 448 jsonOps() {
 449 # shellcheck disable=SC2034
 450         local action="$1" param="$2" value="$3"
 451         local status message error stats
 452         local reload restart curReload curRestart ret i
 453         if [ -s "$jsonFile" ]; then
 454                 json_load_file "$jsonFile" 2>/dev/null
 455                 json_select 'data' 2>/dev/null
 456                 for i in status message error stats reload restart; do
 457                         json_get_var $i "$i" 2>/dev/null
 458                 done
 459         fi
 460         case "$action" in
 461                 get)
 462                         case "$param" in
 463                                 triggers)
 464                                         curReload="$parallelDL $debug $dlTimeout $allowed_domains $blocked_domains $allowed_domains_urls $blocked_domains_urls $blocked_hosts_urls $targetDNS $configUpdateEnabled $configUpdateURL"
 465                                         curRestart="$compressedCache $forceDNS $led $forceDNSPorts"
 466                                         if [ ! -s "$jsonFile" ]; then
 467                                                 ret='on_boot'
 468                                         elif [ "$curReload" != "$reload" ]; then
 469                                                 ret='download'
 470                                         elif [ "$curRestart" != "$restart" ]; then
 471                                                 ret='restart'
 472                                         fi
 473                                         printf "%b" "$ret"
 474                                         return;;
 475                                 *)
 476                                         printf "%b" "$(eval echo "\$$param")"; return;;
 477                         esac
 478                         ;;
 479                 add)
 480                         if [ -n "$(eval echo "\$$param")" ]; then
 481                                 value="$(eval echo "\$$param") ${value}"
 482                         fi
 483                                 eval "$param"='${value}'
 484                         ;;
 485                 del)
 486                         case "$param" in
 487                                 all)
 488                                         unset status message error stats;;
 489                                 triggers)
 490                                         unset reload restart;;
 491                                 *)
 492                                         unset "$param";;
 493                         esac
 494                         ;;
 495                 set)
 496                         case "$param" in
 497                                 triggers)
 498                                         reload="$parallelDL $debug $dlTimeout $allowed_domains $blocked_domains $allowed_domains_urls $blocked_domains_urls $blocked_hosts_urls $targetDNS $configUpdateEnabled $configUpdateURL"
 499                                         restart="$compressedCache $forceDNS $led $forceDNSPorts"
 500                                         ;;
 501                                 *)
 502                                         eval "$param"='$value';;
 503                         esac
 504                         ;;
 505         esac
 506         json_init
 507         json_add_object 'data'
 508         json_add_string version "$PKG_VERSION"
 509         json_add_string status "$status"
 510         json_add_string message "$message"
 511         json_add_string error "$error"
 512         json_add_string stats "$stats"
 513         json_add_string reload "$reload"
 514         json_add_string restart "$restart"
 515         json_close_object
 516         json_dump > "$jsonFile"
 517         sync
 518 }
 519
 520 cacheOps() {
 521         local R_TMP
 522         case "$1" in
 523                 create|backup)
 524                         [ -s "$outputFile" ] && { mv -f "$outputFile" "$outputCache"; true > "$outputFile"; } >/dev/null 2>/dev/null
 525                         return $?
 526                         ;;
 527                 restore|use)
 528                         [ -s "$outputCache" ] && mv "$outputCache" "$outputFile" >/dev/null 2>/dev/null
 529                         return $?
 530                         ;;
 531                 test)
 532                         [ -s "$outputCache" ]
 533                         return $?
 534                         ;;
 535                 testGzip)
 536                         [ -s "$outputGzip" ] && gzip -t -c "$outputGzip"
 537                         return $?
 538                         ;;
 539                 createGzip)
 540                         R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 541                         if gzip < "$outputFile" > "$R_TMP"; then
 542                                 if mv "$R_TMP" "$outputGzip"; then
 543                                         rm -f "$R_TMP"
 544                                         return 0
 545                                 else
 546                                         rm -f "$R_TMP"
 547                                         return 1
 548                                 fi
 549                         else
 550                                 return 1
 551                         fi
 552                         ;;
 553                 expand|unpack|expandGzip|unpackGzip)
 554                         [ -s "$outputGzip" ] && gzip -dc < "$outputGzip" > "$outputCache"
 555                         return $?
 556                         ;;
 557         esac
 558 }
 559
 560 process_url() {
 561         local label type D_TMP R_TMP
 562         if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then return 1; fi
 563         label="${1##*//}"; label="${label%%/*}";
 564         if [ "$2" = 'hosts' ]; then
 565                 label="Hosts:   $label"; filter="$hostsFilter";
 566         else
 567                 label="Domains: $label"; filter="$domainsFilter";
 568         fi
 569         if [ "$3" = 'blocked' ]; then
 570                 type='Blocked'; D_TMP="$B_TMP";
 571         else
 572                 type='Allowed'; D_TMP="$A_TMP";
 573         fi
 574         if [ "${1:0:5}" == "https" ] && [ -z "$isSSLSupported" ]; then
 575                 output 1 "$_FAIL_"
 576                 output 2 "[DL] $type $label $__FAIL__\\n"
 577                 echo "errorNoSSLSupport|${1}" >> "$sharedMemoryError"
 578                 return 0
 579         fi
 580         while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
 581                 R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 582         done
 583         if ! $dl_command "$1" $dl_flag "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
 584                 output 1 "$_FAIL_"
 585                 output 2 "[DL] $type $label $__FAIL__\\n"
 586                 echo "errorDownloadingList|${1}" >> "$sharedMemoryError"
 587         else
 588                 sed -i "$filter" "$R_TMP"
 589                 if [ ! -s "$R_TMP" ]; then
 590                         output 1 "$_FAIL_"
 591                         output 2 "[DL] $type $label $__FAIL__\\n"
 592                         echo "errorParsingList|${1}" >> "$sharedMemoryError"
 593                 else
 594                         cat "${R_TMP}" >> "$D_TMP"
 595                         output 1 "$_OK_"
 596                         output 2 "[DL] $type $label $__OK__\\n"
 597                 fi
 598         fi
 599         rm -f "$R_TMP"
 600         return 0
 601 }
 602
 603 process_config_update() {
 604         local label R_TMP
 605         [ "$configUpdateEnabled" -eq 0 ] && return 0
 606         label="${1##*//}"; label="${label%%/*}";
 607         while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
 608                 R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 609         done
 610         if ! $dl_command "$1" $dl_flag "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
 611                 output 1 "$_FAIL_"
 612                 output 2 "[DL] Config  Update:  $label $__FAIL__\\n"
 613                 jsonOps add error "errorDownloadingConfigUpdate"
 614         else
 615                 if [ -s "$R_TMP" ] && sed -f "$R_TMP" -i /etc/config/simple-adblock 2>/dev/null; then
 616                         output 1 "$_OK_"
 617                         output 2 "[DL] Config  Update:  $label $__OK__\\n"
 618                 else
 619                         output 1 "$_FAIL_"
 620                         output 2 "[DL] Config  Update:  $label $__FAIL__\\n"
 621                         jsonOps add error "errorParsingConfigUpdate"
 622                 fi
 623         fi
 624         rm -f "$R_TMP"
 625         return 0
 626 }
 627
 628 download_lists() {
 629         local hf w_filter j=0 R_TMP
 630
 631         jsonOps set message "$(getStatusText "statusDownloading")..."
 632         jsonOps set status "statusDownloading"
 633
 634         rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip"
 635         if [ "$($awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
 636                 output 3 'Low free memory, restarting resolver... '
 637                 if dnsOps 'quiet'; then
 638                         output_okn
 639                 else
 640                         output_fail
 641                 fi
 642         fi
 643         touch $A_TMP; touch $B_TMP;
 644         output 1 'Downloading lists '
 645         process_config_update "$configUpdateURL"
 646         rm -f "$sharedMemoryError"
 647         if [ -n "$blocked_hosts_urls" ]; then
 648                 for hf in ${blocked_hosts_urls}; do
 649                         if [ "$parallelDL" -gt 0 ]; then
 650                                 process_url "$hf" 'hosts' 'blocked' &
 651                         else
 652                                 process_url "$hf" 'hosts' 'blocked'
 653                         fi
 654                 done
 655         fi
 656         if [ -n "$blocked_domains_urls" ]; then
 657                 for hf in ${blocked_domains_urls}; do
 658                         if [ "$parallelDL" -gt 0 ]; then
 659                                 process_url "$hf" 'domains' 'blocked' &
 660                         else
 661                                 process_url "$hf" 'domains' 'blocked'
 662                         fi
 663                 done
 664         fi
 665         if [ -n "$allowed_domains_urls" ]; then
 666                 for hf in ${allowed_domains_urls}; do
 667                         if [ "$parallelDL" -gt 0 ]; then
 668                                 process_url "$hf" 'domains' 'allowed' &
 669                         else
 670                                 process_url "$hf" 'domains' 'allowed'
 671                         fi
 672                 done
 673         fi
 674         wait
 675         output 1 '\n'
 676         if [ -s "$sharedMemoryError" ]; then
 677                 while IFS= read -r line; do
 678                         jsonOps add error "$line"
 679                 done < "$sharedMemoryError"
 680                 rm -f "$sharedMemoryError"
 681         fi
 682
 683         [ -n "$blocked_domains" ] && for hf in ${blocked_domains}; do echo "$hf" | sed "$domainsFilter" >> $B_TMP; done
 684         allowed_domains="${allowed_domains}
 685 $(cat $A_TMP)"
 686         [ -n "$allowed_domains" ] && for hf in ${allowed_domains}; do hf="$(echo "$hf" | sed 's/\./\\./g')"; w_filter="$w_filter/${hf}$/d;"; done
 687
 688         [ ! -s "$B_TMP" ] && return 1
 689
 690         output 1 'Processing downloads '
 691         output 2 'Sorting combined list '
 692         jsonOps set message "$(getStatusText "statusProcessing"): sorting combined list"
 693         if [ "$allowIDN" -gt 0 ]; then
 694                 if sort -u "$B_TMP" > "$A_TMP"; then
 695                         output_ok
 696                 else
 697                         output_failn
 698                         jsonOps add error "errorSorting"
 699                 fi
 700         else
 701                 if sort -u "$B_TMP" | grep -E -v '[^a-zA-Z0-9=/.-]' > "$A_TMP"; then
 702                         output_ok
 703                 else
 704                         output_failn
 705                         jsonOps add error "errorSorting"
 706                 fi
 707         fi
 708
 709         if [ "$targetDNS" = 'dnsmasq.conf' ] || \
 710                  [ "$targetDNS" = 'dnsmasq.ipset' ] || \
 711                  [ "$targetDNS" = 'dnsmasq.servers' ] || \
 712                  [ "$targetDNS" = 'unbound.adb_list' ]; then
 713                 # TLD optimization written by Dirk Brenken (dev@brenken.org)
 714                 output 2 'Optimizing combined list '
 715                 jsonOps set message "$(getStatusText "statusProcessing"): optimizing combined list"
 716 #       sed -E 'G;:t;s/(.*)(\.)(.*)(\n)(.*)/\1\4\5\2\3/;tt;s/(.*)\n(\.)(.*)/\3\2\1/' is actually slower than command below
 717                 if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$A_TMP" > "$B_TMP"; then
 718                         if sort "$B_TMP" > "$A_TMP"; then
 719                                 if $awk '{if(NR=1){tld=$NF};while(getline){if($NF!~tld"\\."){print tld;tld=$NF}}print tld}' "$A_TMP" > "$B_TMP"; then
 720                                         if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$B_TMP" > "$A_TMP"; then
 721                                                 if sort -u "$A_TMP" > "$B_TMP"; then
 722                                                         output_ok
 723                                                 else
 724                                                         output_failn
 725                                                         jsonOps add error "errorOptimization"
 726                                                         mv "$A_TMP" "$B_TMP"
 727                                                 fi
 728                                         else
 729                                                 output_failn
 730                                                 jsonOps add error "errorOptimization"
 731                                         fi
 732                                 else
 733                                         output_failn
 734                                         jsonOps add error "errorOptimization"
 735                                         mv "$A_TMP" "$B_TMP"
 736                                 fi
 737                         else
 738                                 output_failn
 739                                 jsonOps add error "errorOptimization"
 740                         fi
 741                 else
 742                         output_failn
 743                         jsonOps add error "errorOptimization"
 744                         mv "$A_TMP" "$B_TMP"
 745                 fi
 746         else
 747                 mv "$A_TMP" "$B_TMP"
 748         fi
 749
 750         output 2 'Allowing domains '
 751         jsonOps set message "$(getStatusText "statusProcessing"): allowing domains"
 752         if sed -i "$w_filter" "$B_TMP"; then
 753                 output_ok
 754         else
 755                 output_failn
 756                 jsonOps add error "errorAllowListProcessing"
 757         fi
 758
 759         output 2 'Formatting merged file '
 760         jsonOps set message "$(getStatusText "statusProcessing"): formatting merged file"
 761         if [ -z "$outputFilterIPv6" ]; then
 762                 if sed "$outputFilter" "$B_TMP" > "$A_TMP"; then
 763                         output_ok
 764                 else
 765                         output_failn
 766                         jsonOps add error "errorDataFileFormatting"
 767                 fi
 768         else
 769                 case "$targetDNS" in
 770                         dnsmasq.addnhosts)
 771                                 if sed "$outputFilter" "$B_TMP" > "$A_TMP" && \
 772                                         sed "$outputFilterIPv6" "$B_TMP" >> "$A_TMP"; then
 773                                         output_ok
 774                                 else
 775                                         output_failn
 776                                         jsonOps add error "errorDataFileFormatting"
 777                                 fi
 778                                 ;;
 779                 esac
 780         fi
 781
 782         case "$targetDNS" in
 783                 dnsmasq.addnhosts)
 784                         output 2 'Creating DNSMASQ addnhosts file '
 785                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ addnhosts file"
 786                         ;;
 787                 dnsmasq.conf)
 788                         output 2 'Creating DNSMASQ config file '
 789                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ config file"
 790                         ;;
 791                 dnsmasq.ipset)
 792                         output 2 'Creating DNSMASQ ipset file '
 793                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ ipset file"
 794                         ;;
 795                 dnsmasq.servers)
 796                         output 2 'Creating DNSMASQ servers file '
 797                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ servers file"
 798                         ;;
 799                 unbound.adb_list)
 800                         output 2 'Creating Unbound adb_list file '
 801                         jsonOps set message "$(getStatusText "statusProcessing"): creating Unbound adb_list file"
 802                         ;;
 803         esac
 804         if mv "$A_TMP" "$outputFile"; then
 805                 output_ok
 806         else
 807                 output_failn
 808                 jsonOps add error "errorMovingDataFile"
 809         fi
 810         if [ "$compressedCache" -gt 0 ]; then
 811                 output 2 'Creating compressed cache '
 812                 jsonOps set message "$(getStatusText "statusProcessing"): creating compressed cache"
 813                 if cacheOps 'createGzip'; then
 814                         output_ok
 815                 else
 816                         output_failn
 817                         jsonOps add error "errorCreatingCompressedCache"
 818                 fi
 819         else
 820                 rm -f "$outputGzip"
 821         fi
 822         output 2 'Removing temporary files '
 823         jsonOps set message "$(getStatusText "statusProcessing"): removing temporary files"
 824         rm -f "/tmp/${packageName}_tmp.*" "$A_TMP" "$B_TMP" "$outputCache" || j=1
 825         if [ $j -eq 0 ]; then
 826                 output_ok
 827         else
 828                 output_failn
 829                 jsonOps add error "errorRemovingTempFiles"
 830         fi
 831         output 1 '\n'
 832 }
 833
 834 boot() {
 835         load_package_config
 836         sleep "$bootDelay"
 837         rc_procd start_service 'on_boot' && rc_procd service_triggers
 838 }
 839
 840 start_service() {
 841         is_enabled 'on_start' || return 1
 842         local action status error message stats c
 843
 844         status="$(jsonOps get status)"
 845         error="$(jsonOps get error)"
 846         message="$(jsonOps get message)"
 847         stats="$(jsonOps get stats)"
 848         action="$(jsonOps get triggers)"
 849
 850         if [ "$action" = 'on_boot' ] || [ "$1" = 'on_boot' ]; then
 851                 if cacheOps 'testGzip' || cacheOps 'test'; then
 852                         action='restore'
 853                 else
 854                         action='download'
 855                 fi
 856         elif [ "$action" = 'download' ] || [ "$1" = 'download' ] || [ -n "$error" ]; then
 857                 action='download'
 858         elif [ ! -s "$outputFile" ]; then
 859                 if cacheOps 'testGzip' || cacheOps 'test'; then
 860                         action='restore'
 861                 else
 862                         action='download'
 863                 fi
 864         elif [ "$action" = 'restart' ] || [ "$1" = 'restart' ]; then
 865                 action='restart'
 866         elif [ -s "$outputFile" ] && [ "$status" = "statusSuccess" ] && [ -z "$error" ]; then
 867                 showstatus
 868                 exit 0
 869         else
 870                 action='download'
 871         fi
 872
 873         jsonOps del all
 874         jsonOps set triggers
 875
 876         procd_open_instance 'main'
 877         procd_set_param command /bin/true
 878         procd_set_param stdout 1
 879         procd_set_param stderr 1
 880         procd_open_data
 881         json_add_array firewall
 882         if [ "$forceDNS" -ne 0 ]; then
 883                 for c in $forceDNSPorts; do
 884                         if netstat -tuln | grep LISTEN | grep ":${c}" >/dev/null 2>&1; then
 885                                 json_add_object ''
 886                                 json_add_string type 'redirect'
 887                                 json_add_string target 'DNAT'
 888                                 json_add_string src 'lan'
 889                                 json_add_string proto 'tcp udp'
 890                                 json_add_string src_dport "$c"
 891                                 json_add_string dest_port "$c"
 892                                 json_add_string reflection '0'
 893                                 json_close_object
 894                         else
 895                                 json_add_object ''
 896                                 json_add_string type 'rule'
 897                                 json_add_string src 'lan'
 898                                 json_add_string dest '*'
 899                                 json_add_string proto 'tcp udp'
 900                                 json_add_string dest_port "$c"
 901                                 json_add_string target 'REJECT'
 902                                 json_close_object
 903                         fi
 904                 done
 905         fi
 906         if [ "$targetDNS" = 'dnsmasq.ipset' ]; then
 907                 json_add_object ''
 908                 json_add_string type 'ipset'
 909                 json_add_string name 'adb'
 910                 json_add_string match 'dest_net'
 911                 json_add_string storage 'hash'
 912                 json_close_object
 913                 json_add_object ''
 914                 json_add_string type 'rule'
 915                 json_add_string ipset 'adb'
 916                 json_add_string src 'lan'
 917                 json_add_string dest '*'
 918                 json_add_string proto 'tcp udp'
 919                 json_add_string target 'REJECT'
 920                 json_close_object
 921         fi
 922         json_close_array
 923         procd_close_data
 924         procd_close_instance
 925
 926         if [ "$action" = 'restore' ]; then
 927                 output 0 "Starting $serviceName... "
 928                 output 3 "Starting $serviceName...\\n"
 929                 jsonOps set status "statusStarting"
 930                 if cacheOps 'testGzip' && ! cacheOps 'test' && [ ! -s "$outputFile" ]; then
 931                         output 3 'Found compressed cache file, unpacking it '
 932                         jsonOps set message 'found compressed cache file, unpacking it.'
 933                         if cacheOps 'unpackGzip'; then
 934                                 output_okn
 935                         else
 936                                 output_fail
 937                                 jsonOps add error "errorRestoreCompressedCache"
 938                                 output "$_ERROR_: $(getErrorText 'errorRestoreCompressedCache')!\\n"
 939                                 action='download'
 940                         fi
 941                 fi
 942                 if cacheOps 'test' && [ ! -s "$outputFile" ]; then
 943                         output 3 'Found cache file, reusing it '
 944                         jsonOps set message 'found cache file, reusing it.'
 945                         if cacheOps 'restore'; then
 946                                 output_okn
 947                                 dnsOps 'on_start'
 948                         else
 949                                 output_fail
 950                                 jsonOps add error "errorRestoreCache"
 951                                 output "$_ERROR_: $(getErrorText 'errorRestoreCache')!\\n"
 952                                 action='download'
 953                         fi
 954                 fi
 955         fi
 956         if [ "$action" = 'download' ]; then
 957                 if [ -s "$outputFile" ] || cacheOps 'test' || cacheOps 'testGzip'; then
 958                         output 0 "Force-reloading $serviceName... "
 959                         output 3 "Force-reloading $serviceName...\\n"
 960                         jsonOps set status "statusForceReloading"
 961                 else
 962                         output 0 "Starting $serviceName... "
 963                         output 3 "Starting $serviceName...\\n"
 964                         jsonOps set status "statusStarting"
 965                 fi
 966                 download_lists
 967                 dnsOps 'on_start'
 968         fi
 969         if [ "$action" = 'restart' ]; then
 970                 output 0 "Restarting $serviceName... "
 971                 output 3 "Restarting $serviceName...\\n"
 972                 jsonOps set status "statusRestarting"
 973                 dnsOps 'on_start'
 974         fi
 975         if [ "$action" = 'start' ]; then
 976                 output 0 "Starting $serviceName... "
 977                 output 3 "Starting $serviceName...\\n"
 978                 jsonOps set status "statusStarting"
 979                 dnsOps 'on_start'
 980         fi
 981         if [ -s "$outputFile" ] && [ "$(jsonOps get status)" != "statusFail" ]; then
 982                 output 0 "$__OK__\\n";
 983                 jsonOps del message
 984                 jsonOps set status "statusSuccess"
 985                 jsonOps set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${targetDNS})"
 986                 showstatus
 987         else
 988                 output 0 "$__FAIL__\\n";
 989                 jsonOps set status "statusFail"
 990                 jsonOps add error "errorOhSnap"
 991                 showstatus
 992         fi
 993 }
 994
 995 service_started() { procd_set_config_changed firewall; }
 996 service_stopped() { procd_set_config_changed firewall; }
 997 restart_service() { rc_procd start_service 'restart'; }
 998 reload_service() { restart_service; }
 999 restart() { restart_service; }
1000 reload() { restart_service; }
1001 dl() { rc_procd start_service 'download'; }
1002 killcache() {
1003         rm -f "$addnhostsCache" "$addnhostsGzip"
1004         rm -f "$dnsmasqCache" "$dnsmasqGzip"
1005         rm -f "$ipsetCache" "$ipsetGzip"
1006         rm -f "$serversCache" "$serversGzip"
1007         rm -f "$unboundCache" "$unboundGzip"
1008         config_load 'dhcp'
1009         config_foreach dnsmasqOps 'dnsmasq' 'cleanup'
1010         uci -q commit 'dhcp'
1011         return 0
1012 }
1013
1014 show() { showstatus; }
1015 status_service() { showstatus; }
1016 showstatus() {
1017         local c url status message error stats
1018         status="$(jsonOps get status)"
1019         message="$(jsonOps get message)"
1020         error="$(jsonOps get error)"
1021         stats="$(jsonOps get stats)"
1022         if [ "$status" = "statusSuccess" ]; then
1023                 output "$stats "; output_okn;
1024         else
1025                 [ -n "$status" ] && status="$(getStatusText "$status")"
1026                 if [ -n "$status" ] && [ -n "$message" ]; then
1027                         status="${status}: $message"
1028                 fi
1029                 [ -n "$status" ] && output "$serviceName $status\\n"
1030         fi
1031         if [ -n "$error" ]; then
1032                 for c in $error; do
1033                         url="${c##*|}"
1034                         c="${c%|*}"
1035                         case "$c" in
1036                                 errorDownloadingList|errorParsingList)
1037                                         output "$_ERROR_: $(getErrorText "$c") $url!\\n";;
1038                                 *)
1039                                         output "$_ERROR_: $(getErrorText "$c")!\\n";;
1040                         esac
1041                         let n=n+1
1042                 done
1043         fi
1044 }
1045
1046 stop_service() {
1047         load_package_config
1048         if [ -s "$outputFile" ]; then
1049                 output "Stopping $serviceName... "
1050                 cacheOps 'create'
1051                 if dnsOps 'on_stop'; then
1052                         led_off "$led"
1053                         output 0 "$__OK__\\n"; output_okn;
1054                         jsonOps set status "statusStopped"
1055                         jsonOps del message
1056                 else
1057                         output 0 "$__FAIL__\\n"; output_fail;
1058                         jsonOps set status "statusFail"
1059                         jsonOps add error "errorStopping"
1060                         output "$_ERROR_: $(getErrorText 'errorStopping')!\\n"
1061                 fi
1062         fi
1063 }
1064
1065 service_triggers() {
1066         procd_open_trigger
1067         procd_add_config_trigger 'config.change' "${packageName}" /etc/init.d/${packageName} reload
1068         procd_add_reload_interface_trigger 'wan'
1069         procd_add_interface_trigger 'interface.*.up' 'wan' /etc/init.d/${packageName} reload
1070         procd_close_trigger
1071 }
1072
1073 check() {
1074         load_package_config
1075         local c string="$1"
1076         c="$(grep -c "$string" "$outputFile")"
1077         if [ ! -s "$outputFile" ]; then
1078                 echo "No block-list ('$outputFile') found."
1079         elif [ -z "$string" ]; then
1080                 echo "Usage: /etc/init.d/${packageName} check string"
1081         elif [ "$c" -gt 0 ]; then
1082                 if [ "$c" -gt 1 ]; then
1083                         echo "Found $c matches for '$string' in '$outputFile':"
1084                 else
1085                         echo "Found 1 match for '$string' in '$outputFile':"
1086                 fi
1087                 case "$targetDNS" in
1088                         dnsmasq.addnhosts)
1089                                 grep "$string" "$outputFile" | sed 's|^127.0.0.1 ||;s|^:: ||;';;
1090                         dnsmasq.conf)
1091                                 grep "$string" "$outputFile" | sed 's|local=/||;s|/$||;';;
1092                         dnsmasq.ipset)
1093                                 grep "$string" "$outputFile" | sed 's|ipset=/||;s|/adb$||;';;
1094                         dnsmasq.servers)
1095                                 grep "$string" "$outputFile" | sed 's|server=/||;s|/$||;';;
1096                         unbound.adb_list)
1097                                 grep "$string" "$outputFile" | sed 's|^local-zone: "||;s|" static$||;';;
1098                 esac
1099         else
1100                 echo "The $string is not found in current block-list ('$outputFile')."
1101         fi
1102 }
1103
1104 sizes() {
1105         local i
1106         load_package_config
1107         echo "# $(date)"
1108
1109         for i in $blocked_domains_urls; do
1110                 [ "${i//melmac}" != "$i" ] && continue
1111                 if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
1112                         echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
1113                         if compare_values "$(du -sk /tmp/sast)" "500"; then
1114                                 echo "# block-list too big for most routers"
1115                         elif compare_values "$(du -sk /tmp/sast)" "100"; then
1116                                 echo "# block-list may be too big for some routers"
1117                         fi
1118                         rm -rf /tmp/sast
1119                         echo "  list blocked_domains_url '$i'"
1120                         echo ""
1121                 else
1122                         echo "# site was down on last check"
1123                         echo "#  list blocked_domains_url '$i'"
1124                         echo ""
1125                 fi
1126         done
1127
1128         for i in $blocked_hosts_urls; do
1129                 if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
1130                         echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
1131                         if compare_values "$(du -sk /tmp/sast)" "500"; then
1132                                 echo "# block-list too big for most routers"
1133                         elif compare_values "$(du -sk /tmp/sast)" "100"; then
1134                                 echo "# block-list may be too big for some routers"
1135                         fi
1136                         rm -rf /tmp/sast
1137                         echo "  list blocked_hosts_url '$i'"
1138                         echo ""
1139                 else
1140                         echo "# site was down on last check"
1141                         echo "#  list blocked_hosts_url '$i'"
1142                         echo ""
1143                 fi
1144         done
1145 }