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,SC3043,SC3057,SC3060
   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 if type extra_command 1>/dev/null 2>&1; then
  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='check dl killcache sizes status_service version'
  21 # shellcheck disable=SC2034
  22         EXTRA_HELP='    check   Checks if specified domain is found in current block-list
  23         dl      Force-downloads all enabled block-list
  24         sizes   Displays the file-sizes of enabled block-lists'
  25 fi
  26
  27 readonly packageName='simple-adblock'
  28 readonly serviceName="$packageName $PKG_VERSION"
  29 readonly addnhostsFile="/var/run/${packageName}.addnhosts"
  30 readonly addnhostsCache="/var/run/${packageName}.addnhosts.cache"
  31 readonly addnhostsGzip="/etc/${packageName}.addnhosts.gz"
  32 readonly addnhostsOutputFilter='s|^|127.0.0.1 |;s|$||'
  33 readonly addnhostsOutputFilterIPv6='s|^|:: |;s|$||'
  34 readonly dnsmasqFile="/var/dnsmasq.d/${packageName}"
  35 readonly dnsmasqCache="/var/run/${packageName}.dnsmasq.cache"
  36 readonly dnsmasqGzip="/etc/${packageName}.dnsmasq.gz"
  37 readonly dnsmasqOutputFilter='s|^|local=/|;s|$|/|'
  38 readonly ipsetFile="/var/dnsmasq.d/${packageName}.ipset"
  39 readonly ipsetCache="/var/run/${packageName}.ipset.cache"
  40 readonly ipsetGzip="/etc/${packageName}.ipset.gz"
  41 readonly ipsetOutputFilter='s|^|ipset=/|;s|$|/adb|'
  42 readonly serversFile="/var/run/${packageName}.servers"
  43 readonly serversCache="/var/run/${packageName}.servers.cache"
  44 readonly serversGzip="/etc/${packageName}.servers.gz"
  45 readonly serversOutputFilter='s|^|server=/|;s|$|/|'
  46 readonly unboundFile="/var/lib/unbound/adb_list.${packageName}"
  47 readonly unboundCache="/var/run/${packageName}.unbound.cache"
  48 readonly unboundGzip="/etc/${packageName}.unbound.gz"
  49 readonly unboundOutputFilter='s|^|local-zone: "|;s|$|" static|'
  50 readonly A_TMP="/var/${packageName}.hosts.a.tmp"
  51 readonly B_TMP="/var/${packageName}.hosts.b.tmp"
  52 readonly jsonFile="/var/run/${packageName}.json"
  53 readonly sharedMemoryError="/dev/shm/$packageName-error"
  54 readonly sharedMemoryOutput="/dev/shm/$packageName-output"
  55 readonly hostsFilter='/localhost/d;/^#/d;/^[^0-9]/d;s/^0\.0\.0\.0.//;s/^127\.0\.0\.1.//;s/[[:space:]]*#.*$//;s/[[:cntrl:]]$//;s/[[:space:]]//g;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
  56 readonly domainsFilter='/^#/d;s/[[:space:]]*#.*$//;s/[[:space:]]*$//;s/[[:cntrl:]]$//;/[[:space:]]/d;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;'
  57 readonly _OK_='\033[0;32m\xe2\x9c\x93\033[0m'
  58 readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m'
  59 readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m'
  60 readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m'
  61 readonly _ERROR_='\033[0;31mERROR\033[0m'
  62 readonly _WARNING_='\033[0;33mWARNING\033[0m'
  63
  64 version() { echo "$PKG_VERSION"; }
  65
  66 getStatusText() {
  67         local _ret
  68         case "$1" in
  69                 statusNoInstall) _ret="$serviceName is not installed or not found";;
  70                 statusStopped) _ret="Stopped";;
  71                 statusStarting) _ret="Starting";;
  72                 statusRestarting) _ret="Restarting";;
  73                 statusForceReloading) _ret="Force Reloading";;
  74                 statusDownloading) _ret="Downloading";;
  75                 statusProcessing) _ret="Processing";;
  76                 statusError) _ret="Error";;
  77                 statusWarning) _ret="Warning";;
  78                 statusFail) _ret="Fail";;
  79                 statusSuccess) _ret="Success";;
  80         esac
  81         printf "%b" "$_ret"
  82 }
  83 getErrorText() {
  84         local _ret
  85         case "$1" in
  86                 errorOutputFileCreate) _ret="failed to create $outputFile file";;
  87                 errorFailDNSReload) _ret="failed to restart/reload DNS resolver";;
  88                 errorSharedMemory) _ret="failed to access shared memory";;
  89                 errorSorting) _ret="failed to sort data file";;
  90                 errorOptimization) _ret="failed to optimize data file";;
  91                 errorAllowListProcessing) _ret="failed to process allow-list";;
  92                 errorDataFileFormatting) _ret="failed to format data file";;
  93                 errorMovingDataFile) _ret="failed to move data file '${A_TMP}' to '${outputFile}'";;
  94                 errorCreatingCompressedCache) _ret="failed to create compressed cache";;
  95                 errorRemovingTempFiles) _ret="failed to remove temporary files";;
  96                 errorRestoreCompressedCache) _ret="failed to unpack compressed cache";;
  97                 errorRestoreCache) _ret="failed to move '$outputCache' to '$outputFile'";;
  98                 errorOhSnap) _ret="failed to create block-list or restart DNS resolver";;
  99                 errorStopping) _ret="failed to stop $serviceName";;
 100                 errorDNSReload) _ret="failed to reload/restart DNS resolver";;
 101                 errorDownloadingConfigUpdate) _ret="failed to download Config Update file";;
 102                 errorDownloadingList) _ret="failed to download";;
 103                 errorParsingList) _ret="failed to parse";;
 104                 errorParsingConfigUpdate) _ret="failed to parse Config Update file";;
 105         esac
 106         printf "%b" "$_ret"
 107 }
 108
 109 output_ok() { output 1 "$_OK_"; output 2 "$__OK__\\n"; }
 110 output_okn() { output 1 "$_OK_\\n"; output 2 "$__OK__\\n"; }
 111 output_fail() { output 1 "$_FAIL_"; output 2 "$__FAIL__\\n"; }
 112 output_failn() { output 1 "$_FAIL_\\n"; output 2 "$__FAIL__\\n"; }
 113 str_replace() { printf "%b" "$1" | sed -e "s/$(printf "%b" "$2")/$(printf "%b" "$3")/g"; }
 114 str_contains() { test "$1" != "$(str_replace "$1" "$2" '')"; }
 115 compare_values() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
 116 is_chaos_calmer() { ubus -S call system board | grep -q 'Chaos Calmer'; }
 117 led_on(){ if [ -n "${1}" ] && [ -e "${1}/trigger" ]; then echo 'default-on' > "${1}/trigger" 2>&1; fi; }
 118 led_off(){ if [ -n "${1}" ] &&  [ -e "${1}/trigger" ]; then echo 'none' > "${1}/trigger" 2>&1; fi; }
 119 dnsmasq_hup() { killall -q -s HUP dnsmasq; }
 120 dnsmasq_kill() { killall -q -s KILL dnsmasq; }
 121 dnsmasq_restart() { /etc/init.d/dnsmasq restart >/dev/null 2>&1; }
 122 unbound_restart() { /etc/init.d/unbound restart >/dev/null 2>&1; }
 123 is_present() { command -v "$1" >/dev/null 2>&1; }
 124
 125 output() {
 126 # Can take a single parameter (text) to be output at any verbosity
 127 # Or target verbosity level and text to be output at specifc verbosity
 128         local msg memmsg logmsg
 129         if [ $# -ne 1 ]; then
 130                 if [ $((verbosity & $1)) -gt 0 ] || [ "$verbosity" = "$1" ]; then shift; else return 0; fi
 131         fi
 132         [ -t 1 ] && printf "%b" "$1"
 133         msg="${1//$serviceName /service }";
 134         if [ "$(printf "%b" "$msg" | wc -l)" -gt 0 ]; then
 135                 [ -s "$sharedMemoryOutput" ] && memmsg="$(cat "$sharedMemoryOutput")"
 136                 logmsg="$(printf "%b" "${memmsg}${msg}" | sed 's/\x1b\[[0-9;]*m//g')"
 137                 logger -t "${packageName:-service} [$$]" "$(printf "%b" "$logmsg")"
 138                 rm -f "$sharedMemoryOutput"
 139         else
 140                 printf "%b" "$msg" >> "$sharedMemoryOutput"
 141         fi
 142 }
 143
 144 serviceEnabled=''; forceDNS=''; forceDNSPorts=''; parallelDL=''; debug='';
 145 compressedCache=''; ipv6Enabled=''; configUpdateEnabled=''; configUpdateURL='';
 146 bootDelay=''; dlTimeout=''; curlRetry=''; verbosity=''; led='';
 147 targetDNS=''; dnsInstance='';
 148 allowed_domains=''; allowed_domains_urls='';
 149 blocked_domains=''; blocked_domains_urls=''; blocked_hosts_urls='';
 150 dl_command=''; dl_flag=''; isSSLSupported=''; allowIDN='';
 151 outputFilter=''; outputFilterIPv6=''; outputFile=''; outputGzip=''; outputCache='';
 152 awk='awk';
 153
 154 load_package_config() {
 155         config_load "$packageName"
 156         config_get_bool serviceEnabled        'config' 'enabled' 1
 157         config_get_bool forceDNS              'config' 'force_dns' 1
 158         config_get_bool parallelDL            'config' 'parallel_downloads' 1
 159         config_get_bool debug                 'config' 'debug' 0
 160         config_get_bool compressedCache       'config' 'compressed_cache' 0
 161         config_get_bool ipv6Enabled           'config' 'ipv6_enabled' 0
 162         config_get_bool configUpdateEnabled   'config' 'config_update_enabled' 0
 163         config_get forceDNSPorts              'config' 'force_dns_port' '53 853'
 164         config_get bootDelay                  'config' 'boot_delay' '120'
 165         config_get dlTimeout                  'config' 'download_timeout' '20'
 166         config_get curlRetry                  'config' 'curl_retry' '3'
 167         config_get verbosity                  'config' 'verbosity' '2'
 168         config_get led                        'config' 'led'
 169         config_get targetDNS                  'config' 'dns' 'dnsmasq.servers'
 170         config_get dnsInstance                'config' 'dns_instance' '0'
 171         config_get allowed_domains            'config' 'allowed_domain'
 172         config_get allowed_domains_urls       'config' 'allowed_domains_url'
 173         config_get blocked_domains            'config' 'blocked_domain'
 174         config_get blocked_domains_urls       'config' 'blocked_domains_url'
 175         config_get blocked_hosts_urls         'config' 'blocked_hosts_url'
 176         config_get configUpdateURL            'config' 'config_update_url' 'https://cdn.jsdelivr.net/gh/openwrt/packages/net/simple-adblock/files/simple-adblock.conf.update'
 177
 178         if [ "$targetDNS" != 'dnsmasq.addnhosts' ] && [ "$targetDNS" != 'dnsmasq.conf' ] && \
 179                  [ "$targetDNS" != 'dnsmasq.servers' ] && [ "$targetDNS" != 'unbound.adb_list' ] && \
 180                  [ "$targetDNS" != 'dnsmasq.ipset' ] ; then
 181                 targetDNS='dnsmasq.servers'
 182         fi
 183
 184         case "$targetDNS" in
 185                 dnsmasq.addnhosts)
 186                         outputFilter="$addnhostsOutputFilter"
 187                         outputFile="$addnhostsFile"
 188                         outputCache="$addnhostsCache"
 189                         outputGzip="$addnhostsGzip"
 190                         [ "$ipv6Enabled" -gt 0 ] && outputFilterIPv6="$addnhostsOutputFilterIPv6"
 191                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 192                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 193                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 194                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 195                         ;;
 196                 dnsmasq.conf)
 197                         outputFilter="$dnsmasqOutputFilter"
 198                         outputFile="$dnsmasqFile"
 199                         outputCache="$dnsmasqCache"
 200                         outputGzip="$dnsmasqGzip"
 201                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 202                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 203                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 204                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 205                         ;;
 206                 dnsmasq.ipset)
 207                         outputFilter="$ipsetOutputFilter"
 208                         outputFile="$ipsetFile"
 209                         outputCache="$ipsetCache"
 210                         outputGzip="$ipsetGzip"
 211                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 212                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 213                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 214                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 215                         ;;
 216                 dnsmasq.servers)
 217                         outputFilter="$serversOutputFilter"
 218                         outputFile="$serversFile"
 219                         outputCache="$serversCache"
 220                         outputGzip="$serversGzip"
 221                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 222                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 223                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 224                         rm -f "$unboundFile" "$unboundCache" "$unboundGzip"
 225                         ;;
 226                 unbound.adb_list)
 227                         outputFilter="$unboundOutputFilter"
 228                         outputFile="$unboundFile"
 229                         outputCache="$unboundCache"
 230                         outputGzip="$unboundGzip"
 231                         rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip"
 232                         rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip"
 233                         rm -f "$ipsetFile" "$ipsetCache" "$ipsetGzip"
 234                         rm -f "$serversFile" "$serversCache" "$serversGzip"
 235                         ;;
 236         esac
 237         if [ -z "${verbosity##*[!0-9]*}" ] || [ "$verbosity" -lt 0 ] || [ "$verbosity" -gt 2 ]; then
 238                 verbosity=1
 239         fi
 240         . /lib/functions/network.sh
 241         . /usr/share/libubox/jshn.sh
 242         is_present 'gawk' && awk='gawk'
 243         if ! is_present '/usr/libexec/grep-gnu' || ! is_present '/usr/libexec/sed-gnu' || \
 244                 ! is_present '/usr/libexec/sort-coreutils' || ! is_present 'gawk'; then
 245                         local s="opkg update; opkg --force-overwrite install"
 246                         is_present 'gawk' || s="$s gawk"
 247                         is_present '/usr/libexec/grep-gnu' || s="$s grep"
 248                         is_present '/usr/libexec/sed-gnu' || s="$s sed"
 249                         is_present '/usr/libexec/sort-coreutils' || s="$s coreutils-sort"
 250                         output "$_WARNING_: Some recommended packages are missing, install them by running:\\n"
 251                         output "$s;\\n"
 252         fi
 253         # Prefer curl because it supports the file:// scheme.
 254         if is_present 'curl'; then
 255                 dl_command="curl --insecure --retry $curlRetry --connect-timeout $dlTimeout --silent"
 256                 dl_flag="-o"
 257         elif is_present '/usr/libexec/wget-ssl'; then
 258                 dl_command="/usr/libexec/wget-ssl --no-check-certificate --timeout $dlTimeout -q"
 259                 dl_flag="-O"
 260         elif is_present wget && wget --version 2>/dev/null | grep -q "+https"; then
 261                 dl_command="wget --no-check-certificate --timeout $dlTimeout -q"
 262                 dl_flag="-O"
 263         else
 264                 dl_command="uclient-fetch --no-check-certificate --timeout $dlTimeout -q"
 265                 dl_flag="-O"
 266         fi
 267         led="${led:+/sys/class/leds/$led}"
 268         if curl --version 2>/dev/null | grep -q "https" \
 269                 || wget --version 2>/dev/null | grep -q "+https" \
 270                 || grep -q "libustream-mbedtls" /usr/lib/opkg/status \
 271                 || grep -q "libustream-openssl" /usr/lib/opkg/status \
 272                 || grep -q "libustream-wolfssl" /usr/lib/opkg/status; then
 273                 isSSLSupported=1
 274         else
 275                 unset isSSLSupported
 276         fi
 277 }
 278
 279 is_enabled() {
 280         wan_if=''; wan_gw='';
 281         load_package_config
 282
 283         if [ "$debug" -ne 0 ]; then
 284                 exec 1>>/tmp/simple-adblock.log
 285                 exec 2>&1
 286                 set -x
 287         fi
 288
 289         if [ "$serviceEnabled" -eq 0 ]; then
 290                 case "$1" in
 291                         on_start)
 292                                 output "$packageName is currently disabled.\\n"
 293                                 output "Run the following commands before starting service again:\\n"
 294                                 output "uci set ${packageName}.config.enabled='1'; uci commit $packageName;\\n"
 295                                 ;;
 296                 esac
 297                 return 1
 298         fi
 299
 300         case $targetDNS in
 301                 dnsmasq.addnhosts | dnsmasq.conf | dnsmasq.ipset | dnsmasq.servers)
 302                         if dnsmasq -v 2>/dev/null | grep -q 'no-IDN' || ! dnsmasq -v 2>/dev/null | grep -q -w 'IDN'; then
 303                                 allowIDN=0
 304                         else
 305                                 allowIDN=1
 306                         fi
 307                         ;;
 308                 unbound.adb_list)
 309                         allowIDN=1;;
 310         esac
 311
 312         case $targetDNS in
 313                 dnsmasq.ipset)
 314                         if dnsmasq -v 2>/dev/null | grep -q 'no-ipset' || ! dnsmasq -v 2>/dev/null | grep -q -w 'ipset'; then
 315                                 output "$_ERROR_: DNSMASQ ipset support is enabled in $packageName, but DNSMASQ is either not installed or installed DNSMASQ does not support ipsets!\\n"
 316                                 targetDNS='dnsmasq.servers'
 317                         fi
 318                         if ! ipset help hash:net >/dev/null 2>&1; then
 319                                 output "$_ERROR_: DNSMASQ ipset support is enabled in $packageName, but ipset is either not installed or installed ipset does not support 'hash:net' type!\\n"
 320                                 targetDNS='dnsmasq.servers'
 321                         fi
 322                         ;;
 323         esac
 324
 325         [ ! -d "${outputFile%/*}" ] && mkdir -p "${outputFile%/*}"
 326         [ ! -d "${outputCache%/*}" ] && mkdir -p "${outputFile%/*}"
 327         [ ! -d "${outputGzip%/*}" ] && mkdir -p "${outputFile%/*}"
 328         cacheOps 'testGzip' && return 0
 329         network_flush_cache; network_find_wan wan_if; network_get_gateway wan_gw "$wan_if";
 330         [ -n "$wan_gw" ] && return 0
 331         output "$_ERROR_: $serviceName failed to discover WAN gateway.\\n"; return 1;
 332 }
 333
 334 dnsmasqOps() {
 335         local cfg="$1" param="$2"
 336         case "$param" in
 337                 dnsmasq.addnhosts)
 338                         if [ "$(uci -q get dhcp."$cfg".serversfile)" = "$serversFile" ]; then
 339                                 uci -q del dhcp."$cfg".serversfile
 340                         fi
 341                         if ! uci -q get dhcp."$cfg".addnhosts | grep -q "$addnhostsFile"; then
 342                                 uci add_list dhcp."$cfg".addnhosts="$addnhostsFile"
 343                         fi
 344                         ;;
 345                 dnsmasq.conf|dnsmasq.ipset|unbound.adb_list|cleanup)
 346                         uci -q del_list dhcp."$cfg".addnhosts="$addnhostsFile"
 347                         if [ "$(uci -q get dhcp."$cfg".serversfile)" = "$serversFile" ]; then
 348                                 uci -q del dhcp."$cfg".serversfile
 349                         fi
 350                         ;;
 351                 dnsmasq.servers)
 352                         uci -q del_list dhcp."$cfg".addnhosts="$addnhostsFile"
 353                         if [ "$(uci -q get dhcp."$cfg".serversfile)" != "$serversFile" ]; then
 354                                 uci set dhcp."$cfg".serversfile="$serversFile"
 355                         fi
 356                         ;;
 357         esac
 358 }
 359
 360 dnsOps() {
 361         local param output_text i
 362         case $1 in
 363                 on_start)
 364                         if [ ! -s "$outputFile" ]; then
 365                                 jsonOps set status "statusFail"
 366                                 jsonOps add error "errorOutputFileCreate"
 367                                 output "$_ERROR_: $(getErrorText 'errorOutputFileCreate')!\\n"
 368                                 return 1
 369                         fi
 370
 371                         config_load 'dhcp'
 372                         if [ "$dnsInstance" = "*" ]; then
 373                                 config_foreach dnsmasqOps 'dnsmasq' "$targetDNS"
 374                         elif [ -n "$dnsInstance" ]; then
 375                                 for i in $dnsInstance; do
 376                                         dnsmasqOps "@dnsmasq[$i]" "$targetDNS"
 377                                 done
 378                         fi
 379
 380                         case "$targetDNS" in
 381                                 dnsmasq.addnhosts|dnsmasq.servers)
 382                                         param=dnsmasq_hup
 383                                         output_text='Reloading DNSMASQ'
 384                                         ;;
 385                                 dnsmasq.conf|dnsmasq.ipset)
 386                                         param=dnsmasq_restart
 387                                         output_text='Restarting DNSMASQ'
 388                                         ;;
 389                                 unbound.adb_list)
 390                                         param=unbound_restart
 391                                         output_text='Restarting Unbound'
 392                                         ;;
 393                         esac
 394
 395                         if [ -n "$(uci changes dhcp)" ]; then
 396                                 uci commit dhcp
 397                                 if [ "$param" = 'unbound_restart' ]; then
 398                                         param='dnsmasq_restart; unbound_restart;'
 399                                         output_text='Restarting Unbound/DNSMASQ'
 400                                 else
 401                                         param=dnsmasq_restart
 402                                         output_text='Restarting DNSMASQ'
 403                                 fi
 404                         fi
 405                         output 1 "$output_text "
 406                         output 2 "$output_text "
 407                         jsonOps set message "$output_text"
 408                         if eval "$param"; then
 409                                 jsonOps set status "statusSuccess"
 410                                 led_on "$led"
 411                                 output_okn
 412                         else
 413                                 output_fail
 414                                 jsonOps set status "statusFail"
 415                                 jsonOps add error "errorDNSReload"
 416                                 output "$_ERROR_: $(getErrorText 'errorDNSReload')!\\n"
 417                                 return 1
 418                         fi
 419                         ;;
 420                 on_stop)
 421                         case "$targetDNS" in
 422                                 dnsmasq.addnhosts | dnsmasq.servers)
 423                                         param=dnsmasq_hup
 424                                         ;;
 425                                 dnsmasq.conf | dnsmasq.ipset)
 426                                         param=dnsmasq_restart
 427                                         ;;
 428                                 unbound.adb_list)
 429                                         param=unbound_restart
 430                                         ;;
 431                         esac
 432                         if [ -n "$(uci changes dhcp)" ]; then
 433                                 uci -q commit dhcp
 434                                 if [ "$param" = 'unbound_restart' ]; then
 435                                         param='dnsmasq_restart; unbound_restart;'
 436                                 else
 437                                         param=dnsmasq_restart
 438                                 fi
 439                         fi
 440                         eval "$param"
 441                         return $?
 442                         ;;
 443                 quiet)
 444                         case "$targetDNS" in
 445                                 dnsmasq.addnhosts | dnsmasq.conf | dnsmasq.ipset | dnsmasq.servers)
 446                                         param=dnsmasq_restart
 447                                         ;;
 448                                 unbound.adb_list)
 449                                         param=unbound_restart
 450                                         ;;
 451                         esac
 452                         eval "$param"
 453                         return $?
 454                         ;;
 455         esac
 456 }
 457
 458 jsonOps() {
 459 # shellcheck disable=SC2034
 460         local action="$1" param="$2" value="$3"
 461         local status message error stats
 462         local reload restart curReload curRestart ret i
 463         if [ -s "$jsonFile" ]; then
 464                 json_load_file "$jsonFile" 2>/dev/null
 465                 json_select 'data' 2>/dev/null
 466                 for i in status message error stats reload restart; do
 467                         json_get_var $i "$i" 2>/dev/null
 468                 done
 469         fi
 470         case "$action" in
 471                 get)
 472                         case "$param" in
 473                                 triggers)
 474                                         curReload="$parallelDL $debug $dlTimeout $allowed_domains $blocked_domains $allowed_domains_urls $blocked_domains_urls $blocked_hosts_urls $targetDNS $configUpdateEnabled $configUpdateURL"
 475                                         curRestart="$compressedCache $forceDNS $led $forceDNSPorts"
 476                                         if [ ! -s "$jsonFile" ]; then
 477                                                 ret='on_boot'
 478                                         elif [ "$curReload" != "$reload" ]; then
 479                                                 ret='download'
 480                                         elif [ "$curRestart" != "$restart" ]; then
 481                                                 ret='restart'
 482                                         fi
 483                                         printf "%b" "$ret"
 484                                         return;;
 485                                 *)
 486                                         printf "%b" "$(eval echo "\$$param")"; return;;
 487                         esac
 488                         ;;
 489                 add)
 490                         if [ -n "$(eval echo "\$$param")" ]; then
 491                                 value="$(eval echo "\$$param") ${value}"
 492                         fi
 493                                 eval "$param"='${value}'
 494                         ;;
 495                 del)
 496                         case "$param" in
 497                                 all)
 498                                         unset status message error stats;;
 499                                 triggers)
 500                                         unset reload restart;;
 501                                 *)
 502                                         unset "$param";;
 503                         esac
 504                         ;;
 505                 set)
 506                         case "$param" in
 507                                 triggers)
 508                                         reload="$parallelDL $debug $dlTimeout $allowed_domains $blocked_domains $allowed_domains_urls $blocked_domains_urls $blocked_hosts_urls $targetDNS $configUpdateEnabled $configUpdateURL"
 509                                         restart="$compressedCache $forceDNS $led $forceDNSPorts"
 510                                         ;;
 511                                 *)
 512                                         eval "$param"='$value';;
 513                         esac
 514                         ;;
 515         esac
 516         json_init
 517         json_add_object 'data'
 518         json_add_string version "$PKG_VERSION"
 519         json_add_string status "$status"
 520         json_add_string message "$message"
 521         json_add_string error "$error"
 522         json_add_string stats "$stats"
 523         json_add_string reload "$reload"
 524         json_add_string restart "$restart"
 525         json_close_object
 526         json_dump > "$jsonFile"
 527         sync
 528 }
 529
 530 cacheOps() {
 531         local R_TMP
 532         case "$1" in
 533                 create|backup)
 534                         [ -s "$outputFile" ] && { mv -f "$outputFile" "$outputCache"; true > "$outputFile"; } >/dev/null 2>/dev/null
 535                         return $?
 536                         ;;
 537                 restore|use)
 538                         [ -s "$outputCache" ] && mv "$outputCache" "$outputFile" >/dev/null 2>/dev/null
 539                         return $?
 540                         ;;
 541                 test)
 542                         [ -s "$outputCache" ]
 543                         return $?
 544                         ;;
 545                 testGzip)
 546                         [ -s "$outputGzip" ] && gzip -t -c "$outputGzip"
 547                         return $?
 548                         ;;
 549                 createGzip)
 550                         R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 551                         if gzip < "$outputFile" > "$R_TMP"; then
 552                                 if mv "$R_TMP" "$outputGzip"; then
 553                                         rm -f "$R_TMP"
 554                                         return 0
 555                                 else
 556                                         rm -f "$R_TMP"
 557                                         return 1
 558                                 fi
 559                         else
 560                                 return 1
 561                         fi
 562                         ;;
 563                 expand|unpack|expandGzip|unpackGzip)
 564                         [ -s "$outputGzip" ] && gzip -dc < "$outputGzip" > "$outputCache"
 565                         return $?
 566                         ;;
 567         esac
 568 }
 569
 570 process_url() {
 571         local label type D_TMP R_TMP
 572         if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then return 1; fi
 573         label="${1##*//}"; label="${label%%/*}";
 574         if [ "$2" = 'hosts' ]; then
 575                 label="Hosts:   $label"; filter="$hostsFilter";
 576         else
 577                 label="Domains: $label"; filter="$domainsFilter";
 578         fi
 579         if [ "$3" = 'blocked' ]; then
 580                 type='Blocked'; D_TMP="$B_TMP";
 581         else
 582                 type='Allowed'; D_TMP="$A_TMP";
 583         fi
 584         if [ "${1:0:5}" = "https" ] && [ -z "$isSSLSupported" ]; then
 585                 output 1 "$_FAIL_"
 586                 output 2 "[DL] $type $label $__FAIL__\\n"
 587                 echo "errorNoSSLSupport|${1}" >> "$sharedMemoryError"
 588                 return 0
 589         fi
 590         while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
 591                 R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 592         done
 593         if ! $dl_command "$1" $dl_flag "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
 594                 output 1 "$_FAIL_"
 595                 output 2 "[DL] $type $label $__FAIL__\\n"
 596                 echo "errorDownloadingList|${1}" >> "$sharedMemoryError"
 597         else
 598                 sed -i "$filter" "$R_TMP"
 599                 if [ ! -s "$R_TMP" ]; then
 600                         output 1 "$_FAIL_"
 601                         output 2 "[DL] $type $label $__FAIL__\\n"
 602                         echo "errorParsingList|${1}" >> "$sharedMemoryError"
 603                 else
 604                         cat "${R_TMP}" >> "$D_TMP"
 605                         output 1 "$_OK_"
 606                         output 2 "[DL] $type $label $__OK__\\n"
 607                 fi
 608         fi
 609         rm -f "$R_TMP"
 610         return 0
 611 }
 612
 613 process_config_update() {
 614         local label R_TMP
 615         [ "$configUpdateEnabled" -eq 0 ] && return 0
 616         label="${1##*//}"; label="${label%%/*}";
 617         while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do
 618                 R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)"
 619         done
 620         if ! $dl_command "$1" $dl_flag "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then
 621                 output 1 "$_FAIL_"
 622                 output 2 "[DL] Config  Update:  $label $__FAIL__\\n"
 623                 jsonOps add error "errorDownloadingConfigUpdate"
 624         else
 625                 if [ -s "$R_TMP" ] && sed -f "$R_TMP" -i /etc/config/simple-adblock 2>/dev/null; then
 626                         output 1 "$_OK_"
 627                         output 2 "[DL] Config  Update:  $label $__OK__\\n"
 628                 else
 629                         output 1 "$_FAIL_"
 630                         output 2 "[DL] Config  Update:  $label $__FAIL__\\n"
 631                         jsonOps add error "errorParsingConfigUpdate"
 632                 fi
 633         fi
 634         rm -f "$R_TMP"
 635         return 0
 636 }
 637
 638 download_lists() {
 639         local hf w_filter j=0 R_TMP
 640
 641         jsonOps set message "$(getStatusText "statusDownloading")..."
 642         jsonOps set status "statusDownloading"
 643
 644         rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip"
 645         if [ "$($awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
 646                 output 3 'Low free memory, restarting resolver... '
 647                 if dnsOps 'quiet'; then
 648                         output_okn
 649                 else
 650                         output_fail
 651                 fi
 652         fi
 653         touch $A_TMP; touch $B_TMP;
 654         output 1 'Downloading lists '
 655         process_config_update "$configUpdateURL"
 656         rm -f "$sharedMemoryError"
 657         if [ -n "$blocked_hosts_urls" ]; then
 658                 for hf in ${blocked_hosts_urls}; do
 659                         if [ "$parallelDL" -gt 0 ]; then
 660                                 process_url "$hf" 'hosts' 'blocked' &
 661                         else
 662                                 process_url "$hf" 'hosts' 'blocked'
 663                         fi
 664                 done
 665         fi
 666         if [ -n "$blocked_domains_urls" ]; then
 667                 for hf in ${blocked_domains_urls}; do
 668                         if [ "$parallelDL" -gt 0 ]; then
 669                                 process_url "$hf" 'domains' 'blocked' &
 670                         else
 671                                 process_url "$hf" 'domains' 'blocked'
 672                         fi
 673                 done
 674         fi
 675         if [ -n "$allowed_domains_urls" ]; then
 676                 for hf in ${allowed_domains_urls}; do
 677                         if [ "$parallelDL" -gt 0 ]; then
 678                                 process_url "$hf" 'domains' 'allowed' &
 679                         else
 680                                 process_url "$hf" 'domains' 'allowed'
 681                         fi
 682                 done
 683         fi
 684         wait
 685         output 1 '\n'
 686         if [ -s "$sharedMemoryError" ]; then
 687                 while IFS= read -r line; do
 688                         jsonOps add error "$line"
 689                 done < "$sharedMemoryError"
 690                 rm -f "$sharedMemoryError"
 691         fi
 692
 693         [ -n "$blocked_domains" ] && for hf in ${blocked_domains}; do echo "$hf" | sed "$domainsFilter" >> $B_TMP; done
 694         allowed_domains="${allowed_domains}
 695 $(cat $A_TMP)"
 696         [ -n "$allowed_domains" ] && for hf in ${allowed_domains}; do hf="$(echo "$hf" | sed 's/\./\\./g')"; w_filter="$w_filter/${hf}$/d;"; done
 697
 698         [ ! -s "$B_TMP" ] && return 1
 699
 700         output 1 'Processing downloads '
 701         output 2 'Sorting combined list '
 702         jsonOps set message "$(getStatusText "statusProcessing"): sorting combined list"
 703         if [ "$allowIDN" -gt 0 ]; then
 704                 if sort -u "$B_TMP" > "$A_TMP"; then
 705                         output_ok
 706                 else
 707                         output_failn
 708                         jsonOps add error "errorSorting"
 709                 fi
 710         else
 711                 if sort -u "$B_TMP" | grep -E -v '[^a-zA-Z0-9=/.-]' > "$A_TMP"; then
 712                         output_ok
 713                 else
 714                         output_failn
 715                         jsonOps add error "errorSorting"
 716                 fi
 717         fi
 718
 719         if [ "$targetDNS" = 'dnsmasq.conf' ] || \
 720                  [ "$targetDNS" = 'dnsmasq.ipset' ] || \
 721                  [ "$targetDNS" = 'dnsmasq.servers' ] || \
 722                  [ "$targetDNS" = 'unbound.adb_list' ]; then
 723                 # TLD optimization written by Dirk Brenken (dev@brenken.org)
 724                 output 2 'Optimizing combined list '
 725                 jsonOps set message "$(getStatusText "statusProcessing"): optimizing combined list"
 726 #       sed -E 'G;:t;s/(.*)(\.)(.*)(\n)(.*)/\1\4\5\2\3/;tt;s/(.*)\n(\.)(.*)/\3\2\1/' is actually slower than command below
 727                 if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$A_TMP" > "$B_TMP"; then
 728                         if sort "$B_TMP" > "$A_TMP"; then
 729                                 if $awk '{if(NR=1){tld=$NF};while(getline){if($NF!~tld"\\."){print tld;tld=$NF}}print tld}' "$A_TMP" > "$B_TMP"; then
 730                                         if $awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$B_TMP" > "$A_TMP"; then
 731                                                 if sort -u "$A_TMP" > "$B_TMP"; then
 732                                                         output_ok
 733                                                 else
 734                                                         output_failn
 735                                                         jsonOps add error "errorOptimization"
 736                                                         mv "$A_TMP" "$B_TMP"
 737                                                 fi
 738                                         else
 739                                                 output_failn
 740                                                 jsonOps add error "errorOptimization"
 741                                         fi
 742                                 else
 743                                         output_failn
 744                                         jsonOps add error "errorOptimization"
 745                                         mv "$A_TMP" "$B_TMP"
 746                                 fi
 747                         else
 748                                 output_failn
 749                                 jsonOps add error "errorOptimization"
 750                         fi
 751                 else
 752                         output_failn
 753                         jsonOps add error "errorOptimization"
 754                         mv "$A_TMP" "$B_TMP"
 755                 fi
 756         else
 757                 mv "$A_TMP" "$B_TMP"
 758         fi
 759
 760         output 2 'Allowing domains '
 761         jsonOps set message "$(getStatusText "statusProcessing"): allowing domains"
 762         if sed -i "$w_filter" "$B_TMP"; then
 763                 output_ok
 764         else
 765                 output_failn
 766                 jsonOps add error "errorAllowListProcessing"
 767         fi
 768
 769         output 2 'Formatting merged file '
 770         jsonOps set message "$(getStatusText "statusProcessing"): formatting merged file"
 771         if [ -z "$outputFilterIPv6" ]; then
 772                 if sed "$outputFilter" "$B_TMP" > "$A_TMP"; then
 773                         output_ok
 774                 else
 775                         output_failn
 776                         jsonOps add error "errorDataFileFormatting"
 777                 fi
 778         else
 779                 case "$targetDNS" in
 780                         dnsmasq.addnhosts)
 781                                 if sed "$outputFilter" "$B_TMP" > "$A_TMP" && \
 782                                         sed "$outputFilterIPv6" "$B_TMP" >> "$A_TMP"; then
 783                                         output_ok
 784                                 else
 785                                         output_failn
 786                                         jsonOps add error "errorDataFileFormatting"
 787                                 fi
 788                                 ;;
 789                 esac
 790         fi
 791
 792         case "$targetDNS" in
 793                 dnsmasq.addnhosts)
 794                         output 2 'Creating DNSMASQ addnhosts file '
 795                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ addnhosts file"
 796                         ;;
 797                 dnsmasq.conf)
 798                         output 2 'Creating DNSMASQ config file '
 799                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ config file"
 800                         ;;
 801                 dnsmasq.ipset)
 802                         output 2 'Creating DNSMASQ ipset file '
 803                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ ipset file"
 804                         ;;
 805                 dnsmasq.servers)
 806                         output 2 'Creating DNSMASQ servers file '
 807                         jsonOps set message "$(getStatusText "statusProcessing"): creating DNSMASQ servers file"
 808                         ;;
 809                 unbound.adb_list)
 810                         output 2 'Creating Unbound adb_list file '
 811                         jsonOps set message "$(getStatusText "statusProcessing"): creating Unbound adb_list file"
 812                         ;;
 813         esac
 814         if mv "$A_TMP" "$outputFile"; then
 815                 output_ok
 816         else
 817                 output_failn
 818                 jsonOps add error "errorMovingDataFile"
 819         fi
 820         if [ "$compressedCache" -gt 0 ]; then
 821                 output 2 'Creating compressed cache '
 822                 jsonOps set message "$(getStatusText "statusProcessing"): creating compressed cache"
 823                 if cacheOps 'createGzip'; then
 824                         output_ok
 825                 else
 826                         output_failn
 827                         jsonOps add error "errorCreatingCompressedCache"
 828                 fi
 829         else
 830                 rm -f "$outputGzip"
 831         fi
 832         output 2 'Removing temporary files '
 833         jsonOps set message "$(getStatusText "statusProcessing"): removing temporary files"
 834         rm -f "/tmp/${packageName}_tmp.*" "$A_TMP" "$B_TMP" "$outputCache" || j=1
 835         if [ $j -eq 0 ]; then
 836                 output_ok
 837         else
 838                 output_failn
 839                 jsonOps add error "errorRemovingTempFiles"
 840         fi
 841         output 1 '\n'
 842 }
 843
 844 boot() {
 845         load_package_config
 846         sleep "$bootDelay"
 847         rc_procd start_service 'on_boot' && rc_procd service_triggers
 848 }
 849
 850 start_service() {
 851         is_enabled 'on_start' || return 1
 852         local action status error message stats c
 853
 854         status="$(jsonOps get status)"
 855         error="$(jsonOps get error)"
 856         message="$(jsonOps get message)"
 857         stats="$(jsonOps get stats)"
 858         action="$(jsonOps get triggers)"
 859
 860         if [ "$action" = 'on_boot' ] || [ "$1" = 'on_boot' ]; then
 861                 if cacheOps 'testGzip' || cacheOps 'test'; then
 862                         action='restore'
 863                 else
 864                         action='download'
 865                 fi
 866         elif [ "$action" = 'download' ] || [ "$1" = 'download' ] || [ -n "$error" ]; then
 867                 action='download'
 868         elif [ ! -s "$outputFile" ]; then
 869                 if cacheOps 'testGzip' || cacheOps 'test'; then
 870                         action='restore'
 871                 else
 872                         action='download'
 873                 fi
 874         elif [ "$action" = 'restart' ] || [ "$1" = 'restart' ]; then
 875                 action='restart'
 876         elif [ -s "$outputFile" ] && [ "$status" = "statusSuccess" ] && [ -z "$error" ]; then
 877                 status_service
 878                 exit 0
 879         else
 880                 action='download'
 881         fi
 882
 883         jsonOps del all
 884         jsonOps set triggers
 885
 886         procd_open_instance 'main'
 887         procd_set_param command /bin/true
 888         procd_set_param stdout 1
 889         procd_set_param stderr 1
 890         procd_open_data
 891         json_add_array firewall
 892         if [ "$forceDNS" -ne 0 ]; then
 893                 for c in $forceDNSPorts; do
 894                         if netstat -tuln | grep LISTEN | grep ":${c}" >/dev/null 2>&1; then
 895                                 json_add_object ""
 896                                 json_add_string type redirect
 897                                 json_add_string target DNAT
 898                                 json_add_string src lan
 899                                 json_add_string proto "tcp udp"
 900                                 json_add_string src_dport "$c"
 901                                 json_add_string dest_port "$c"
 902                                 json_add_boolean reflection 0
 903                                 json_close_object
 904                         else
 905                                 json_add_object ""
 906                                 json_add_string type rule
 907                                 json_add_string src lan
 908                                 json_add_string dest "*"
 909                                 json_add_string proto "tcp udp"
 910                                 json_add_string dest_port "$c"
 911                                 json_add_string target REJECT
 912                                 json_close_object
 913                         fi
 914                 done
 915         fi
 916         if [ "$targetDNS" = 'dnsmasq.ipset' ]; then
 917                 json_add_object ""
 918                 json_add_string type ipset
 919                 json_add_string name adb
 920                 json_add_string match dest_net
 921                 json_add_string storage hash
 922                 json_close_object
 923                 json_add_object ""
 924                 json_add_string type rule
 925                 json_add_string ipset adb
 926                 json_add_string src lan
 927                 json_add_string dest "*"
 928                 json_add_string proto "tcp udp"
 929                 json_add_string target REJECT
 930                 json_close_object
 931         fi
 932         json_close_array
 933         procd_close_data
 934         procd_close_instance
 935
 936         if [ "$action" = 'restore' ]; then
 937                 output 0 "Starting $serviceName... "
 938                 output 3 "Starting $serviceName...\\n"
 939                 jsonOps set status "statusStarting"
 940                 if cacheOps 'testGzip' && ! cacheOps 'test' && [ ! -s "$outputFile" ]; then
 941                         output 3 'Found compressed cache file, unpacking it '
 942                         jsonOps set message 'found compressed cache file, unpacking it.'
 943                         if cacheOps 'unpackGzip'; then
 944                                 output_okn
 945                         else
 946                                 output_fail
 947                                 jsonOps add error "errorRestoreCompressedCache"
 948                                 output "$_ERROR_: $(getErrorText 'errorRestoreCompressedCache')!\\n"
 949                                 action='download'
 950                         fi
 951                 fi
 952                 if cacheOps 'test' && [ ! -s "$outputFile" ]; then
 953                         output 3 'Found cache file, reusing it '
 954                         jsonOps set message 'found cache file, reusing it.'
 955                         if cacheOps 'restore'; then
 956                                 output_okn
 957                                 dnsOps 'on_start'
 958                         else
 959                                 output_fail
 960                                 jsonOps add error "errorRestoreCache"
 961                                 output "$_ERROR_: $(getErrorText 'errorRestoreCache')!\\n"
 962                                 action='download'
 963                         fi
 964                 fi
 965         fi
 966         if [ "$action" = 'download' ]; then
 967                 if [ -s "$outputFile" ] || cacheOps 'test' || cacheOps 'testGzip'; then
 968                         output 0 "Force-reloading $serviceName... "
 969                         output 3 "Force-reloading $serviceName...\\n"
 970                         jsonOps set status "statusForceReloading"
 971                 else
 972                         output 0 "Starting $serviceName... "
 973                         output 3 "Starting $serviceName...\\n"
 974                         jsonOps set status "statusStarting"
 975                 fi
 976                 download_lists
 977                 dnsOps 'on_start'
 978         fi
 979         if [ "$action" = 'restart' ]; then
 980                 output 0 "Restarting $serviceName... "
 981                 output 3 "Restarting $serviceName...\\n"
 982                 jsonOps set status "statusRestarting"
 983                 dnsOps 'on_start'
 984         fi
 985         if [ "$action" = 'start' ]; then
 986                 output 0 "Starting $serviceName... "
 987                 output 3 "Starting $serviceName...\\n"
 988                 jsonOps set status "statusStarting"
 989                 dnsOps 'on_start'
 990         fi
 991         if [ -s "$outputFile" ] && [ "$(jsonOps get status)" != "statusFail" ]; then
 992                 output 0 "$__OK__\\n";
 993                 jsonOps del message
 994                 jsonOps set status "statusSuccess"
 995                 jsonOps set stats "$serviceName is blocking $(wc -l < "$outputFile") domains (with ${targetDNS})"
 996                 status_service
 997         else
 998                 output 0 "$__FAIL__\\n";
 999                 jsonOps set status "statusFail"
1000                 jsonOps add error "errorOhSnap"
1001                 status_service
1002         fi
1003 }
1004
1005 service_started() { procd_set_config_changed firewall; }
1006 service_stopped() { procd_set_config_changed firewall; }
1007
1008 restart_service() { rc_procd start_service 'restart'; }
1009 reload_service() { rc_procd start_service 'restart'; }
1010 dl() { rc_procd start_service 'download'; }
1011
1012 killcache() {
1013         rm -f "$addnhostsCache" "$addnhostsGzip"
1014         rm -f "$dnsmasqCache" "$dnsmasqGzip"
1015         rm -f "$ipsetCache" "$ipsetGzip"
1016         rm -f "$serversCache" "$serversGzip"
1017         rm -f "$unboundCache" "$unboundGzip"
1018         config_load 'dhcp'
1019         config_foreach dnsmasqOps 'dnsmasq' 'cleanup'
1020         uci -q commit 'dhcp'
1021         return 0
1022 }
1023
1024 status_service() {
1025         local c url status message error stats
1026         config_load "$packageName"
1027         config_get verbosity 'config' 'verbosity' '2'
1028         status="$(jsonOps get status)"
1029         message="$(jsonOps get message)"
1030         error="$(jsonOps get error)"
1031         stats="$(jsonOps get stats)"
1032         if [ "$status" = "statusSuccess" ]; then
1033                 output "$stats "; output_okn;
1034         else
1035                 [ -n "$status" ] && status="$(getStatusText "$status")"
1036                 if [ -n "$status" ] && [ -n "$message" ]; then
1037                         status="${status}: $message"
1038                 fi
1039                 [ -n "$status" ] && output "$serviceName $status\\n"
1040         fi
1041         if [ -n "$error" ]; then
1042                 for c in $error; do
1043                         url="${c##*|}"
1044                         c="${c%|*}"
1045                         case "$c" in
1046                                 errorDownloadingList|errorParsingList)
1047                                         output "$_ERROR_: $(getErrorText "$c") $url!\\n";;
1048                                 *)
1049                                         output "$_ERROR_: $(getErrorText "$c")!\\n";;
1050                         esac
1051                         n=$((n+1))
1052                 done
1053         fi
1054 }
1055
1056 stop_service() {
1057         load_package_config
1058         if [ -s "$outputFile" ]; then
1059                 output "Stopping $serviceName... "
1060                 cacheOps 'create'
1061                 if dnsOps 'on_stop'; then
1062                         led_off "$led"
1063                         output 0 "$__OK__\\n"; output_okn;
1064                         jsonOps set status "statusStopped"
1065                         jsonOps del message
1066                 else
1067                         output 0 "$__FAIL__\\n"; output_fail;
1068                         jsonOps set status "statusFail"
1069                         jsonOps add error "errorStopping"
1070                         output "$_ERROR_: $(getErrorText 'errorStopping')!\\n"
1071                 fi
1072         fi
1073 }
1074
1075 service_triggers() {
1076         procd_open_trigger
1077         procd_add_config_trigger 'config.change' "${packageName}" /etc/init.d/${packageName} reload
1078         procd_add_reload_interface_trigger 'wan'
1079         procd_add_interface_trigger 'interface.*.up' 'wan' /etc/init.d/${packageName} reload
1080         procd_close_trigger
1081 }
1082
1083 check() {
1084         load_package_config
1085         local c string="$1"
1086         c="$(grep -c "$string" "$outputFile")"
1087         if [ ! -s "$outputFile" ]; then
1088                 echo "No block-list ('$outputFile') found."
1089         elif [ -z "$string" ]; then
1090                 echo "Usage: /etc/init.d/${packageName} check string"
1091         elif [ "$c" -gt 0 ]; then
1092                 if [ "$c" -gt 1 ]; then
1093                         echo "Found $c matches for '$string' in '$outputFile':"
1094                 else
1095                         echo "Found 1 match for '$string' in '$outputFile':"
1096                 fi
1097                 case "$targetDNS" in
1098                         dnsmasq.addnhosts)
1099                                 grep "$string" "$outputFile" | sed 's|^127.0.0.1 ||;s|^:: ||;';;
1100                         dnsmasq.conf)
1101                                 grep "$string" "$outputFile" | sed 's|local=/||;s|/$||;';;
1102                         dnsmasq.ipset)
1103                                 grep "$string" "$outputFile" | sed 's|ipset=/||;s|/adb$||;';;
1104                         dnsmasq.servers)
1105                                 grep "$string" "$outputFile" | sed 's|server=/||;s|/$||;';;
1106                         unbound.adb_list)
1107                                 grep "$string" "$outputFile" | sed 's|^local-zone: "||;s|" static$||;';;
1108                 esac
1109         else
1110                 echo "The $string is not found in current block-list ('$outputFile')."
1111         fi
1112 }
1113
1114 sizes() {
1115         local i
1116         load_package_config
1117         echo "# $(date)"
1118
1119         for i in $blocked_domains_urls; do
1120                 [ "${i//melmac}" != "$i" ] && continue
1121                 if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
1122                         echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
1123                         if compare_values "$(du -sk /tmp/sast)" "500"; then
1124                                 echo "# block-list too big for most routers"
1125                         elif compare_values "$(du -sk /tmp/sast)" "100"; then
1126                                 echo "# block-list may be too big for some routers"
1127                         fi
1128                         rm -rf /tmp/sast
1129                         echo "  list blocked_domains_url '$i'"
1130                         echo ""
1131                 else
1132                         echo "# site was down on last check"
1133                         echo "#  list blocked_domains_url '$i'"
1134                         echo ""
1135                 fi
1136         done
1137
1138         for i in $blocked_hosts_urls; do
1139                 if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
1140                         echo "# File size: $(du -sh /tmp/sast | $awk '{print $1}')"
1141                         if compare_values "$(du -sk /tmp/sast)" "500"; then
1142                                 echo "# block-list too big for most routers"
1143                         elif compare_values "$(du -sk /tmp/sast)" "100"; then
1144                                 echo "# block-list may be too big for some routers"
1145                         fi
1146                         rm -rf /tmp/sast
1147                         echo "  list blocked_hosts_url '$i'"
1148                         echo ""
1149                 else
1150                         echo "# site was down on last check"
1151                         echo "#  list blocked_hosts_url '$i'"
1152                         echo ""
1153                 fi
1154         done
1155 }