applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua

   1 -- Copyright 2008 Steven Barth <steven@midlink.org>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 local fs  = require "nixio.fs"
   5 local sys = require "luci.sys"
   6 local uci = require "luci.model.uci".cursor()
   7 local testfullps = luci.sys.exec("ps --help 2>&1 | grep BusyBox") --check which ps do we have
   8 local psstring = (string.len(testfullps)>0) and  "ps w" or  "ps axfw" --set command we use to get pid
   9
  10 local m = Map("openvpn", translate("OpenVPN"))
  11 local s = m:section( TypedSection, "openvpn", translate("OpenVPN instances"), translate("Below is a list of configured OpenVPN instances and their current state") )
  12 s.template = "cbi/tblsection"
  13 s.template_addremove = "openvpn/cbi-select-input-add"
  14 s.addremove = true
  15 s.add_select_options = { }
  16 s.extedit = luci.dispatcher.build_url(
  17         "admin", "services", "openvpn", "basic", "%s"
  18 )
  19
  20 uci:load("openvpn_recipes")
  21 uci:foreach( "openvpn_recipes", "openvpn_recipe",
  22         function(section)
  23                 s.add_select_options[section['.name']] =
  24                         section['_description'] or section['.name']
  25         end
  26 )
  27
  28 function s.getPID(section)
  29         return sys.exec("%s | grep -w %s | grep openvpn | grep -v grep | awk '{print $1}'" % { psstring,section} )
  30 end
  31
  32 function s.parse(self, section)
  33         local recipe = luci.http.formvalue(
  34                 luci.cbi.CREATE_PREFIX .. self.config .. "." ..
  35                 self.sectiontype .. ".select"
  36         )
  37
  38         if recipe and not s.add_select_options[recipe] then
  39                 self.invalid_cts = true
  40         else
  41                 TypedSection.parse( self, section )
  42         end
  43 end
  44
  45 function s.create(self, name)
  46         local recipe = luci.http.formvalue(
  47                 luci.cbi.CREATE_PREFIX .. self.config .. "." ..
  48                 self.sectiontype .. ".select"
  49         )
  50         name = luci.http.formvalue(
  51                 luci.cbi.CREATE_PREFIX .. self.config .. "." ..
  52                 self.sectiontype .. ".text"
  53         )
  54         if string.len(name)>3 and not name:match("[^a-zA-Z0-9_]") then
  55                 uci:section(
  56                         "openvpn", "openvpn", name,
  57                         uci:get_all( "openvpn_recipes", recipe )
  58                 )
  59
  60                 uci:delete("openvpn", name, "_role")
  61                 uci:delete("openvpn", name, "_description")
  62                 uci:save("openvpn")
  63
  64                 luci.http.redirect( self.extedit:format(name) )
  65         else
  66                 self.invalid_cts = true
  67         end
  68 end
  69
  70
  71 s:option( Flag, "enabled", translate("Enabled") )
  72
  73 local active = s:option( DummyValue, "_active", translate("Started") )
  74 function active.cfgvalue(self, section)
  75         local pid = s.getPID(section)
  76         if pid and #pid > 0 and tonumber(pid) ~= nil then
  77                 return (sys.process.signal(pid, 0))
  78                         and translatef("yes (%i)", pid)
  79                         or  translate("no")
  80         end
  81         return translate("no")
  82 end
  83
  84 local updown = s:option( Button, "_updown", translate("Start/Stop") )
  85 updown._state = false
  86 updown.redirect = luci.dispatcher.build_url(
  87         "admin", "services", "openvpn"
  88 )
  89 function updown.cbid(self, section)
  90         local pid = s.getPID(section)
  91         self._state = pid and #pid > 0 and sys.process.signal(pid, 0)
  92         self.option = self._state and "stop" or "start"
  93         return AbstractValue.cbid(self, section)
  94 end
  95 function updown.cfgvalue(self, section)
  96         self.title = self._state and "stop" or "start"
  97         self.inputstyle = self._state and "reset" or "reload"
  98 end
  99 function updown.write(self, section, value)
 100         if self.option == "stop" then
 101                 local pid = s.getPID(section)
 102                 sys.process.signal(pid,15)
 103         else
 104                 luci.sys.call("/etc/init.d/openvpn start %s" % section)
 105         end
 106         luci.http.redirect( self.redirect )
 107 end
 108
 109
 110 local port = s:option( DummyValue, "port", translate("Port") )
 111 function port.cfgvalue(self, section)
 112         local val = AbstractValue.cfgvalue(self, section)
 113         return val or "1194"
 114 end
 115
 116 local proto = s:option( DummyValue, "proto", translate("Protocol") )
 117 function proto.cfgvalue(self, section)
 118         local val = AbstractValue.cfgvalue(self, section)
 119         return val or "udp"
 120 end
 121
 122
 123 return m