-- Copyright 2017 Yousong Zhou -- Licensed to the public under the Apache License 2.0. local _up = getfenv(3) local ut = require("luci.util") local sys = require("luci.sys") local ds = require("luci.dispatcher") local nw = require("luci.model.network") nw.init() module("luci.model.shadowsocks-libev", function(m) setmetatable(m, {__index=function (self, k) local tb = _up return rawget(self, k) or _up[k] end}) end) function values_actions(o) o:value("bypass") o:value("forward") if o.option ~= "dst_default" then o:value("checkdst") end end function values_redir(o, xmode) o.map.uci.foreach("shadowsocks-libev", "ss_redir", function(sdata) local disabled = ucival_to_bool(sdata["disabled"]) local sname = sdata[".name"] local mode = sdata["mode"] or "tcp_only" if not disabled and mode:find(xmode) then local desc = "%s - %s" % {sname, mode} o:value(sname, desc) end end) o:value("", "") o.default = "" end function values_serverlist(o) o.map.uci.foreach("shadowsocks-libev", "server", function(sdata) local sname = sdata[".name"] local server = sdata["server"] local server_port = sdata["server_port"] if server and server_port then local desc = "%s - %s:%s" % {sname, sdata["server"], sdata["server_port"]} o:value(sname, desc) end end) end function values_ipaddr(o) for _, v in ipairs(nw:get_interfaces()) do for _, a in ipairs(v:ipaddrs()) do o:value(a:host():string(), '%s (%s)' %{ a:host(), v:shortname() }) end end end function values_ifnames(o) for _, v in ipairs(sys.net.devices()) do o:value(v) end end function options_client(s, tab) local o o = s:taboption(tab, ListValue, "server", translate("Remote server")) values_serverlist(o) o = s:taboption(tab, Value, "local_address", translate("Local address")) o.datatype = "ipaddr" o.placeholder = "0.0.0.0" values_ipaddr(o) o = s:taboption(tab, Value, "local_port", translate("Local port")) o.datatype = "port" end function options_server(s, tab) local o local optfunc if tab == nil then optfunc = function(...) return s:option(...) end else optfunc = function(...) return s:taboption(tab, ...) end end o = optfunc(Value, "server", translate("Server")) o.datatype = "host" o.size = 16 o = optfunc(Value, "server_port", translate("Server port")) o.datatype = "port" o.size = 5 o = optfunc(ListValue, "method", translate("Method")) for _, m in ipairs(methods) do o:value(m) end o = optfunc(Value, "key", translate("Key (base64 encoding)")) o.datatype = "base64" o.password = true o.size = 12 o = optfunc(Value, "password", translate("Password")) o.password = true o.size = 12 end function options_common(s, tab) local o o = s:taboption(tab, ListValue, "mode", translate("Mode of operation")) for _, m in ipairs(modes) do o:value(m) end o.default = "tcp_and_udp" o = s:taboption(tab, Value, "mtu", translate("MTU")) o.datatype = "uinteger" o = s:taboption(tab, Value, "timeout", translate("Timeout (sec)")) o.datatype = "uinteger" s:taboption(tab, Value, "user", translate("Run as")) s:taboption(tab, Flag, "verbose", translate("Verbose")) s:taboption(tab, Flag, "ipv6_first", translate("IPv6 First"), translate("Prefer IPv6 addresses when resolving names")) s:taboption(tab, Flag, "fast_open", translate("Enable TCP Fast Open")) s:taboption(tab, Flag, "reuse_port", translate("Enable SO_REUSEPORT")) end function ucival_to_bool(val) return val == "true" or val == "1" or val == "yes" or val == "on" end function cfgvalue_overview(sdata) local stype = sdata[".type"] local lines = {} if stype == "ss_server" then cfgvalue_overview_(sdata, lines, names_options_server) cfgvalue_overview_(sdata, lines, names_options_common) cfgvalue_overview_(sdata, lines, { "bind_address", "manager_address", }) elseif stype == "ss_local" or stype == "ss_redir" or stype == "ss_tunnel" then cfgvalue_overview_(sdata, lines, names_options_client) if stype == "ss_tunnel" then cfgvalue_overview_(sdata, lines, {"tunnel_address"}) elseif stype == "ss_redir" then cfgvalue_overview_(sdata, lines, {"disable_sni"}) end cfgvalue_overview_(sdata, lines, names_options_common) else return nil, nil end local sname = sdata[".name"] local key = "%s.%s" % {stype, sname} local value = { [".name"] = sname, name = '%s.%s' % {stype, sname}, overview = table.concat(lines, "
"), disabled = ucival_to_bool(sdata["disabled"]), } return key, value end function cfgvalue_overview_(sdata, lines, names) local line for _, n in ipairs(names) do local v = sdata[n] if v ~= nil then if n == "key" or n == "password" then v = translate("") end local fv = "%s" % ut.pcdata(v) if sdata[".type"] ~= "ss_server" and n == "server" then fv = '%s' % { ds.build_url("admin/services/shadowsocks-libev/servers", v), fv} end line = n .. ": " .. fv table.insert(lines, line) end end end function option_install_package(s, tab) local bin = s.sectiontype:gsub("_", "-", 1) local installed = nixio.fs.access("/usr/bin/" .. bin) if installed then return end local opkg_package = "shadowsocks-libev-" .. bin local p_install if tab then p_install = s:taboption(tab, Button, "_install") else p_install = s:option(Button, "_install") end p_install.title = translate("Package is not installed") p_install.inputtitle = translate("Install package %q" % opkg_package) p_install.inputstyle = "apply" function p_install.write() return luci.http.redirect( luci.dispatcher.build_url("admin/system/packages") .. "?submit=1&install=%s" % opkg_package ) end end names_options_server = { "server", "server_port", "method", "key", "password", } names_options_client = { "server", "local_address", "local_port", } names_options_common = { "verbose", "ipv6_first", "fast_open", "reuse_port", "mode", "mtu", "timeout", "user", } modes = { "tcp_only", "tcp_and_udp", "udp_only", } methods = { -- aead "aes-128-gcm", "aes-192-gcm", "aes-256-gcm", "chacha20-ietf-poly1305", "xchacha20-ietf-poly1305", -- stream "table", "rc4", "rc4-md5", "aes-128-cfb", "aes-192-cfb", "aes-256-cfb", "aes-128-ctr", "aes-192-ctr", "aes-256-ctr", "bf-cfb", "camellia-128-cfb", "camellia-192-cfb", "camellia-256-cfb", "salsa20", "chacha20", "chacha20-ietf", }