net/adblock/files/adblock.init

   1 #!/bin/sh /etc/rc.common
   2 #
   3
   4 START=99
   5 EXTRA_COMMANDS="toggle cfgup"
   6 EXTRA_HELP="    toggle  Toggle adblocking 'on' or 'off'
   7         cfgup   Update the adblock configuration file"
   8
   9 PATH="/usr/sbin:/usr/bin:/sbin:/bin"
  10
  11 adb_debug=0
  12 if [ $((adb_debug)) -eq 0 ]
  13 then
  14     exec 2>/dev/null
  15 fi
  16 adb_pid="${$}"
  17 adb_script="/usr/bin/adblock-update.sh"
  18 adb_dnsdir="/tmp/dnsmasq.d"
  19 adb_dnshidedir="${adb_dnsdir}/.adb_hidden"
  20 adb_dnsprefix="adb_list"
  21 adb_pidfile="/var/run/adblock.pid"
  22 adb_log="$(which logger)"
  23 adb_uci="$(which uci)"
  24
  25 if [ -t 1 ]
  26 then
  27     log_parm="-s"
  28     unset bg_parm
  29 else
  30     unset log_parm
  31     bg_parm="&"
  32 fi
  33
  34 if [ -r "${adb_pidfile}" ]
  35 then
  36     "${adb_log}" ${log_parm} -t "adblock[${adb_pid}] error" "adblock service already running ($(cat ${adb_pidfile}))" 2>&1
  37     exit 255
  38 fi
  39
  40 rm_config()
  41 {
  42     local value opt section="${1}" options="adb_src_timestamp adb_src_count"
  43     for opt in ${options}
  44     do
  45         "${adb_uci}" -q delete "adblock.${section}.${opt}"
  46     done
  47 }
  48
  49 boot()
  50 {
  51     return 0
  52 }
  53
  54 start()
  55 {
  56     eval "${adb_script}" ${bg_parm}
  57     return 0
  58 }
  59
  60 restart()
  61 {
  62     stop
  63     start
  64 }
  65
  66 reload()
  67 {
  68     stop
  69     start
  70 }
  71
  72 stop()
  73 {
  74     if [ -n "$(${adb_uci} -q get "adblock.global.adb_overall_count")" ]
  75     then
  76         . "/lib/functions.sh"
  77         config_load adblock
  78         config_foreach rm_config source
  79         "${adb_uci}" -q delete "adblock.global.adb_dnstoggle"
  80         "${adb_uci}" -q delete "adblock.global.adb_overall_count"
  81         "${adb_uci}" -q commit "adblock"
  82     fi
  83     if [ -d "${adb_dnshidedir}" ]
  84     then
  85         find "${adb_dnshidedir}" -maxdepth 1 -type f -name "${adb_dnsprefix}*" -exec mv -f "{}" "${adb_dnsdir}" \;
  86     fi
  87     rm_done="$(find "${adb_dnsdir}" -maxdepth 1 -type f -name "${adb_dnsprefix}*" -print -exec rm -f "{}" \;)"
  88     rc=${?}
  89     if [ $((rc)) -eq 0 ] && [ -n "${rm_done}" ]
  90     then
  91         rm -rf "${adb_dnshidedir}"
  92         /etc/init.d/dnsmasq restart
  93         /etc/init.d/firewall restart
  94     fi
  95     uhttpd_pid="$(pgrep -f "uhttpd -h /www/adblock")"
  96     if [ -n "${uhttpd_pid}" ]
  97     then
  98         kill -9 "${uhttpd_pid}"
  99     fi
 100     if [ -n "${rm_done}" ] || [ -n "${uhttpd_pid}" ]
 101     then
 102         "${adb_log}" ${log_parm} -t "adblock[${adb_pid}] info " "all adblock related services stopped" 2>&1
 103     fi
 104     return 0
 105 }
 106
 107 toggle()
 108 {
 109     if [ "$(${adb_uci} -q get "adblock.global.adb_restricted")" = "1" ]
 110     then
 111         adb_uci="$(which true)"
 112     fi
 113     if [ -d "${adb_dnshidedir}" ]
 114     then
 115         list_dns="$(find "${adb_dnsdir}" -maxdepth 1 -type f -name "${adb_dnsprefix}*" -print)"
 116         list_dnshide="$(find "${adb_dnshidedir}" -maxdepth 1 -type f -name "${adb_dnsprefix}*" -print)"
 117         if [ -n "${list_dns}" ]
 118         then
 119             mv -f "${adb_dnsdir}/${adb_dnsprefix}"* "${adb_dnshidedir}"
 120             "${adb_uci}" -q set "adblock.global.adb_dnstoggle=off"
 121             "${adb_uci}" -q commit "adblock"
 122             /etc/init.d/dnsmasq restart
 123             "${adb_log}" ${log_parm} -t "adblock[${adb_pid}] info " "toggle for adblocking switched 'off'" 2>&1
 124         elif [ -n "${list_dnshide}" ]
 125         then
 126             mv -f "${adb_dnshidedir}/${adb_dnsprefix}"* "${adb_dnsdir}"
 127             "${adb_uci}" -q set "adblock.global.adb_dnstoggle=on"
 128             "${adb_uci}" -q commit "adblock"
 129             /etc/init.d/dnsmasq restart
 130             "${adb_log}" ${log_parm} -t "adblock[${adb_pid}] info " "toggle for adblocking switched 'on'" 2>&1
 131         fi
 132     fi
 133     return 0
 134 }
 135
 136 cfgup()
 137 {
 138     stop
 139     cp -pf "/etc/adblock/adblock.conf.default" "/etc/config/adblock"
 140     rc=$?
 141     if [ $((rc)) -eq 0 ]
 142     then
 143         "${adb_log}" ${log_parm} -t "adblock[${adb_pid}] info " "default adblock configuration applied, please check the settings in '/etc/config/adblock'" 2>&1
 144     else
 145         "${adb_log}" ${log_parm} -t "adblock[${adb_pid}] info " "default adblock configuration not found, please re-install the package via 'opkg install adblock --force-maintainer'" 2>&1
 146     fi
 147 }