net/dnscrypt-proxy/files/dnscrypt-proxy.init

   1 #!/bin/sh /etc/rc.common
   2
   3 START=30
   4 USE_PROCD=1
   5 PROG=/usr/sbin/dnscrypt-proxy
   6 CONFIG_DIR=/var/etc
   7 USER=nobody
   8
   9 boot() {
  10     dnscrypt_boot=1
  11     rc_procd start_service
  12 }
  13
  14 dnscrypt_instance() {
  15     local config_path="$CONFIG_DIR/dnscrypt-proxy-$1.conf"
  16     create_config_file $1 "$config_path"
  17
  18     procd_open_instance
  19     procd_set_param command $PROG "$config_path"
  20     procd_close_instance
  21 }
  22
  23 create_config_file() {
  24     local address port resolver resolvers_list ephemeral_keys client_key log_level syslog syslog_prefix local_cache query_log_file block_ipv6 provider_name provider_key resolver_address
  25     local config_path="$2"
  26     local plugins_support_enabled=$(dnscrypt-proxy --version | grep 'Support for plugins: present' | wc -l)
  27
  28     [ ! -d "$CONFIG_DIR" ] && mkdir -p "$CONFIG_DIR"
  29     [ -f "$config_path" ] && rm "$config_path"
  30
  31     config_get      address         $1 'address'        '127.0.0.1'
  32     config_get      port            $1 'port'           '5353'
  33     config_get      resolver        $1 'resolver'       ''
  34     config_get      provider_name   $1 'providername'   ''
  35     config_get      provider_key    $1 'providerkey'    ''
  36     config_get      resolver_address $1 'resolveraddress'    ''
  37     config_get      resolvers_list  $1 'resolvers_list' '/usr/share/dnscrypt-proxy/dnscrypt-resolvers.csv'
  38     config_get      client_key      $1 'client_key'     ''
  39     config_get      syslog_prefix   $1 'syslog_prefix'  'dnscrypt-proxy'
  40     config_get      query_log_file  $1 'query_log_file' ''
  41     config_get      log_level       $1 'log_level'      '6'
  42     config_get      blacklist       $1 'blacklist'      ''
  43     config_get_bool syslog          $1 'syslog'         '1'
  44     config_get_bool ephemeral_keys  $1 'ephemeral_keys' '0'
  45     config_get_bool local_cache     $1 'local_cache'    '0'
  46     config_get_bool block_ipv6      $1 'block_ipv6'     '0'
  47
  48     append_param_not_empty  "ResolverName"  "$resolver"         $config_path
  49     append_param            "ResolversList" "$resolvers_list"   $config_path
  50     append_param_not_empty  "ProviderName"  "$provider_name"    $config_path
  51     append_param_not_empty  "ProviderKey"   "$provider_key"     $config_path
  52     append_param_not_empty  "ResolverAddress" "$resolver_address" $config_path
  53     append_param            "User"          "$USER"             $config_path
  54     append_param            "LocalAddress"  "$address:$port"    $config_path
  55     append_param_not_empty  "ClientKey"     "$client_key"       $config_path
  56     append_on_off           "EphemeralKeys" $ephemeral_keys     $config_path
  57     append_param            "LogLevel"      "$log_level"        $config_path
  58     append_on_off           "Syslog"        $syslog             $config_path
  59     append_param            "SyslogPrefix"  "$syslog_prefix"    $config_path
  60     append_on_off           "LocalCache"    $local_cache        $config_path
  61     append_param_not_empty  "QueryLogFile"  "$query_log_file"   $config_path
  62
  63     if [ $plugins_support_enabled -ne 0 ] && [ $block_ipv6 -ne 0 ]
  64     then
  65         append_yes_no "BlockIPv6" $block_ipv6 $config_path
  66     elif [ $block_ipv6 -ne 0 ]
  67     then
  68         log_ignored_param "block_ipv6"
  69     fi
  70
  71     if [ $plugins_support_enabled -ne 0 ] && [ -n "$blacklist" ]
  72     then
  73         config_list_foreach $1 'blacklist' append_blacklists $config_path
  74     elif [ -n "$blacklist" ]
  75     then
  76         log_ignored_param "blacklist"
  77     fi
  78 }
  79
  80 log_ignored_param() {
  81     local param_name=$1
  82     logger -t dnscrypt-proxy -p user.warn "dnscrypt-proxy plugins support not present, ignoring '$param_name' parameter."
  83 }
  84
  85 append_on_off() {
  86     local param_name=$1
  87     local param_value=$2
  88     local config_path=$3
  89     local value
  90
  91     if [ $param_value -eq 1 ]
  92     then
  93         value="on"
  94     else
  95         value="off"
  96     fi
  97
  98     echo "$param_name $value" >> $config_path
  99 }
 100
 101 append_yes_no() {
 102     local param_name=$1
 103     local param_value=$2
 104     local config_path=$3
 105     local value
 106
 107     if [ $param_value -eq 1 ]
 108     then
 109         value="yes"
 110     else
 111         value="no"
 112     fi
 113
 114     echo "$param_name $value" >> $config_path
 115 }
 116
 117 append_param() {
 118     local param_name=$1
 119     local param_value=$2
 120     local config_path=$3
 121
 122     echo "$param_name $param_value" >> $config_path
 123 }
 124
 125 append_param_not_empty() {
 126     local param_name=$1
 127     local param_value=$2
 128     local config_path=$3
 129
 130     if [ ! -z "$param_value" -a "$param_value" != " " ]
 131     then
 132         append_param "$param_name" "$param_value" "$config_path"
 133     fi
 134 }
 135
 136 append_blacklists() {
 137     local value="$1"
 138     local config_path="$2"
 139     append_param_not_empty "BlackList" "$value" $config_path
 140 }
 141
 142 start_service() {
 143     if [ -n "${dnscrypt_boot}" ]
 144     then
 145         return 0
 146     fi
 147     config_load dnscrypt-proxy
 148     config_foreach dnscrypt_instance dnscrypt-proxy
 149 }
 150
 151 service_triggers() {
 152     local trigger
 153     local triggerlist="$(uci_get dnscrypt-proxy.@global[0].procd_trigger)"
 154
 155     PROCD_RELOAD_DELAY=2000
 156     if [ -n "${triggerlist}" ]
 157     then
 158         for trigger in ${triggerlist}
 159         do
 160             procd_add_interface_trigger "interface.*.up" "${trigger}" /etc/init.d/dnscrypt-proxy reload
 161         done
 162     else
 163         procd_add_raw_trigger "interface.*.up" 2000 /etc/init.d/dnscrypt-proxy reload
 164     fi
 165     procd_add_reload_trigger 'dnscrypt-proxy'
 166 }