94 lines
2.2 KiB
Lua
94 lines
2.2 KiB
Lua
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--[[
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LuCI - SGI-Module for CGI
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Description:
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Server Gateway Interface for CGI
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FileId:
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$Id: cgi.lua 6029 2010-04-05 17:46:20Z jow $
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License:
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Copyright 2008 Steven Barth <steven@midlink.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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]]--
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module("luci.sgi.cgi", package.seeall)
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local ltn12 = require("luci.ltn12")
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require("nixio.util")
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require("luci.http")
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require("luci.sys")
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require("luci.dispatcher")
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-- Limited source to avoid endless blocking
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local function limitsource(handle, limit)
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limit = limit or 0
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local BLOCKSIZE = ltn12.BLOCKSIZE
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return function()
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if limit < 1 then
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handle:close()
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return nil
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else
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local read = (limit > BLOCKSIZE) and BLOCKSIZE or limit
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limit = limit - read
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local chunk = handle:read(read)
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if not chunk then handle:close() end
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return chunk
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end
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end
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end
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function run()
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local r = luci.http.Request(
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luci.sys.getenv(),
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limitsource(io.stdin, tonumber(luci.sys.getenv("CONTENT_LENGTH"))),
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ltn12.sink.file(io.stderr)
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)
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local x = coroutine.create(luci.dispatcher.httpdispatch)
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local hcache = ""
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local active = true
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while coroutine.status(x) ~= "dead" do
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local res, id, data1, data2 = coroutine.resume(x, r)
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if not res then
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print("Status: 500 Internal Server Error")
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print("Content-Type: text/plain\n")
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print(id)
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break;
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end
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if active then
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if id == 1 then
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io.write("Status: " .. tostring(data1) .. " " .. data2 .. "\r\n")
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elseif id == 2 then
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hcache = hcache .. data1 .. ": " .. data2 .. "\r\n"
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elseif id == 3 then
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io.write(hcache)
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io.write("\r\n")
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elseif id == 4 then
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io.write(tostring(data1 or ""))
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elseif id == 5 then
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io.flush()
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io.close()
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active = false
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elseif id == 6 then
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data1:copyz(nixio.stdout, data2)
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end
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end
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end
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end
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