libs/sgi-cgi/luasrc/sgi/cgi.lua

   1 --[[
   2 LuCI - SGI-Module for CGI
   3
   4 Description:
   5 Server Gateway Interface for CGI
   6
   7 FileId:
   8 $Id$
   9
  10 License:
  11 Copyright 2008 Steven Barth <steven@midlink.org>
  12
  13 Licensed under the Apache License, Version 2.0 (the "License");
  14 you may not use this file except in compliance with the License.
  15 You may obtain a copy of the License at
  16
  17         http://www.apache.org/licenses/LICENSE-2.0
  18
  19 Unless required by applicable law or agreed to in writing, software
  20 distributed under the License is distributed on an "AS IS" BASIS,
  21 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  22 See the License for the specific language governing permissions and
  23 limitations under the License.
  24
  25 ]]--
  26 module("luci.sgi.cgi", package.seeall)
  27 local ltn12 = require("luci.ltn12")
  28 require("luci.http")
  29 require("luci.sys")
  30 require("luci.dispatcher")
  31
  32 function run()
  33         local r = luci.http.Request(
  34                 luci.sys.getenv(),
  35                 ltn12.source.file(io.stdin),
  36                 ltn12.sink.file(io.stderr)
  37         )
  38
  39         local x = coroutine.create(luci.dispatcher.httpdispatch)
  40         local hcache = ""
  41         local active = true
  42
  43         while coroutine.status(x) ~= "dead" do
  44                 local res, id, data1, data2 = coroutine.resume(x, r)
  45
  46                 if not res then
  47                         print("Status: 500 Internal Server Error")
  48                         print("Content-Type: text/plain\n")
  49                         print(id)
  50                         break;
  51                 end
  52
  53                 if active then
  54                         if id == 1 then
  55                                 io.write("Status: " .. tostring(data1) .. " " .. data2 .. "\r\n")
  56                         elseif id == 2 then
  57                                 hcache = hcache .. data1 .. ": " .. data2 .. "\r\n"
  58                         elseif id == 3 then
  59                                 io.write(hcache)
  60                                 io.write("\r\n")
  61                         elseif id == 4 then
  62                                 io.write(data1)
  63                         elseif id == 5 then
  64                                 active = false
  65                         end
  66                 end
  67         end
  68 end