applications/luci-app-dnscrypt-proxy/luasrc/model/cbi/dnscrypt-proxy/overview_tab.lua

   1 -- Copyright 2017 Dirk Brenken (dev@brenken.org)
   2 -- This is free software, licensed under the Apache License, Version 2.0
   3
   4 local fs        = require("nixio.fs")
   5 local uci       = require("luci.model.uci").cursor()
   6 local util      = require("luci.util")
   7 local date      = require("luci.http.protocol.date")
   8 local res_input = "/usr/share/dnscrypt-proxy/dnscrypt-resolvers.csv"
   9 local dump      = util.ubus("network.interface", "dump", {})
  10 local plug_cnt  = tonumber(luci.sys.exec("env -i /usr/sbin/dnscrypt-proxy --version | grep 'Support for plugins: present' | wc -l"))
  11 local res_list  = {}
  12 local url       = "https://download.dnscrypt.org/dnscrypt-proxy/dnscrypt-resolvers.csv"
  13
  14 if not fs.access("/lib/libustream-ssl.so") then
  15         m = SimpleForm("error", nil, translate("SSL support not available, please install an libustream-ssl variant to use this package."))
  16         m.submit = false
  17         m.reset = false
  18         return m
  19 end
  20
  21 if not fs.access(res_input) then
  22         luci.sys.call("env -i /bin/uclient-fetch --no-check-certificate -O " .. res_input .. " " .. url .. " >/dev/null 2>&1")
  23 end
  24
  25 for line in io.lines(res_input) do
  26         local name = line:match("^[%w_.-]*")
  27         res_list[#res_list + 1] = { name = name }
  28 end
  29
  30 m = Map("dnscrypt-proxy", translate("DNSCrypt-Proxy"),
  31         translate("Configuration of the DNSCrypt-Proxy package. ")
  32         .. translate("Keep in mind to configure Dnsmasq as well. ")
  33         .. translatef("For further information "
  34         .. "<a href=\"%s\" target=\"_blank\">"
  35         .. "see the wiki online</a>", "https://wiki.openwrt.org/inbox/dnscrypt"))
  36
  37 function m.on_after_commit(self)
  38         luci.sys.call("env -i /etc/init.d/dnsmasq restart >/dev/null 2>&1")
  39         luci.sys.call("env -i /etc/init.d/dnscrypt-proxy restart >/dev/null 2>&1")
  40 end
  41
  42 -- Trigger selection
  43
  44 s = m:section(TypedSection, "global", translate("General options"))
  45 s.anonymous = true
  46
  47 -- Main dnscrypt-proxy resource list
  48
  49 o1 = s:option(DummyValue, "", translate("Default Resolver List"))
  50 o1.template = "dnscrypt-proxy/res_options"
  51 o1.value = res_input
  52
  53 o2 = s:option(DummyValue, "", translate("File Date"))
  54 o2.template = "dnscrypt-proxy/res_options"
  55 o2.value = date.to_http(nixio.fs.stat(res_input).mtime)
  56
  57 o3 = s:option(DummyValue, "", translate("File Checksum"))
  58 o3.template = "dnscrypt-proxy/res_options"
  59 o3.value = luci.sys.exec("sha256sum " .. res_input .. " | awk '{print $1}'")
  60
  61 btn = s:option(Button, "", translate("Refresh Resolver List"))
  62 btn.inputtitle = translate("Refresh List")
  63 btn.inputstyle = "apply"
  64 btn.disabled = false
  65 function btn.write(self, section, value)
  66         luci.sys.call("env -i /bin/uclient-fetch --no-check-certificate -O " .. res_input .. " " .. url .. " >/dev/null 2>&1")
  67         luci.http.redirect(luci.dispatcher.build_url("admin", "services", "dnscrypt-proxy"))
  68 end
  69
  70 -- Trigger settings
  71
  72 t = s:option(DynamicList, "procd_trigger", translate("Startup Trigger"),
  73         translate("By default the DNSCrypt-Proxy startup will be triggered by ifup events of multiple network interfaces. ")
  74         .. translate("To restrict the trigger, add only the relevant network interface(s). ")
  75         .. translate("Usually the 'wan' interface should work for most users."))
  76 if dump then
  77         local i, v
  78         for i, v in ipairs(dump.interface) do
  79                 if v.interface ~= "loopback" then
  80                         t:value(v.interface)
  81                 end
  82         end
  83 end
  84 t.rmempty = true
  85
  86 -- Mandatory options per instance
  87
  88 s = m:section(TypedSection, "dnscrypt-proxy", translate("Instance options"))
  89 s.anonymous = true
  90 s.addremove = true
  91
  92 o1 = s:option(Value, "address", translate("IP Address"),
  93         translate("The local IP address."))
  94 o1.datatype = "ip4addr"
  95 o1.default = address or "127.0.0.1"
  96 o1.rmempty = false
  97
  98 o2 = s:option(Value, "port", translate("Port"),
  99         translate("The listening port for DNS queries."))
 100 o2.datatype = "port"
 101 o2.default = port
 102 o2.rmempty = false
 103
 104 o3 = s:option(ListValue, "resolver", translate("Resolver"),
 105         translate("Name of the remote DNS service for resolving queries."))
 106 o3.datatype = "hostname"
 107 o3.widget = "select"
 108 local i, v
 109 for i, v in ipairs(res_list) do
 110         if v.name ~= "Name" then
 111                 o3:value(v.name)
 112         end
 113 end
 114 o3.default = resolver
 115 o3.rmempty = false
 116
 117 -- Extra options per instance
 118
 119 e1 = s:option(Value, "resolvers_list", translate("Alternate Resolver List"),
 120         translate("Specify a non-default Resolver List."))
 121 e1.datatype = "file"
 122 e1.optional = true
 123
 124 e2 = s:option(Value, "ephemeral_keys", translate("Ephemeral Keys"),
 125         translate("Improve privacy by using an ephemeral public key for each query. ")
 126         .. translate("This option requires extra CPU cycles and is useless with most DNSCrypt server."))
 127 e2.datatype = "bool"
 128 e2.value = 1
 129 e2.optional = true
 130
 131 if plug_cnt > 0 then
 132         e3 = s:option(DynamicList, "blacklist", translate("Blacklist"),
 133                 translate("Local blacklists allow you to block abuse sites by domains or ip addresses. ")
 134                 .. translate("The value for this property is the blocklist type and path to the file, e.g.'domains:/path/to/dbl.txt' or 'ips:/path/to/ipbl.txt'."))
 135         e3.optional = true
 136
 137         e4 = s:option(Value, "block_ipv6", translate("Block IPv6"),
 138                 translate("Disable IPv6 to speed up DNSCrypt-Proxy."))
 139         e4.datatype = "bool"
 140         e4.value = 1
 141         e4.optional = true
 142
 143         e5 = s:option(Value, "local_cache", translate("Local Cache"),
 144                 translate("Enable Caching to speed up DNSCcrypt-Proxy."))
 145         e5.datatype = "bool"
 146         e5.value = 1
 147         e5.optional = true
 148
 149         e6 = s:option(Value, "query_log_file", translate("DNS Query Logfile"),
 150         translate("Log the received DNS queries to a file, so you can watch in real-time what is happening on the network."))
 151         e6.optional = true
 152 end
 153
 154 return m