* Added support for CGI SGI

applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua

@@ -80,7 +80,7 @@ function index()
 	      page.setuser  = "nobody"
 	      page.setgroup = "nogroup"
 
-	local vars = luci.http.getvalue()
+	local vars = luci.http.formvalue()
 	local span = vars.timespan or nil
 
 	for i, plugin in luci.util.vspairs( tree:plugins() ) do
@@ -148,7 +148,7 @@ function statistics_render()
 	require("luci.template")
 	require("luci.model.uci")
 
-	local vars  = luci.http.getvalue()
+	local vars  = luci.http.formvalue()
 	local req   = luci.dispatcher.context.request
 	local path  = luci.dispatcher.context.dispatched.path
 	local uci   = luci.model.uci

libs/core/luasrc/sys.lua

@@ -75,6 +75,9 @@ function flash(image, kpattern)
 	return os.execute(cmd)
 end
 
+-- Returns the enivornment
+getenv = posix.getenv
+
 -- Returns the hostname
 function hostname()
 	return io.lines("/proc/sys/kernel/hostname")()

libs/sgi-cgi/Makefile

@@ -0,0 +1,2 @@
+include ../../build/config.mk
+include ../../build/module.mk

libs/sgi-cgi/htdocs/cgi-bin/luci

@@ -0,0 +1,4 @@
+#!/usr/bin/lua
+require("luci.sgi.cgi")
+luci.dispatcher.indexcache = "/tmp/.luciindex"
+luci.sgi.cgi.run()

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

@@ -0,0 +1,57 @@
+--[[
+LuCI - SGI-Module for CGI
+
+Description:
+Server Gateway Interface for CGI
+
+FileId:
+$Id$
+
+License:
+Copyright 2008 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at 
+
+	http://www.apache.org/licenses/LICENSE-2.0 
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+]]--
+module("luci.sgi.cgi", package.seeall)
+require("luci.http")
+require("luci.sys")
+require("luci.dispatcher")
+
+function run()
+	local r = luci.http.Request(luci.sys.getenv(), io.stdin, io.stderr)
+	
+	local x = coroutine.create(luci.dispatcher.httpdispatch)
+	
+	while coroutine.status(x) ~= "dead" do
+		local res, id, data1, data2 = coroutine.resume(x, r)
+
+		if not res then
+			print("Status: 500 Internal Server Error")
+			print("Content-Type: text/plain\n")
+			print(id)
+			break;
+		end
+		
+		if id == 1 then
+			io.write("Status: " .. tostring(data1) .. " " .. data2 .. "\n")
+		elseif id == 2 then
+			io.write(data1 .. ": " .. data2 .. "\n")
+		elseif id == 3 then
+			io.write("\n")
+		elseif id == 4 then
+			io.write(data1)
+		end
+		
+	end
+end

libs/web/luasrc/dispatcher.lua

@@ -84,7 +84,7 @@ end
 function httpdispatch(request)
 	luci.http.context.request = request
 	context.request = {}
-	local pathinfo = request.env.PATH_INFO or ""
+	local pathinfo = request:getenv("PATH_INFO") or ""
 
 	for node in pathinfo:gmatch("[^/]+") do
 		table.insert(context.request, node)

libs/web/luasrc/http.lua

@@ -38,47 +38,51 @@ Request = luci.util.class()
 function Request.__init__(self, env, instream, errstream)
 	self.input = instream
 	self.error = errstream
-
-	-- Formdata tables
-	self.get = {}
-	self.post = {}
 	
+	-- Provide readline function
+	self.inputreader = self.input.readline
+	 or self.input.read and function() return self.input:read() end
+	 or self.input.receive and function() return self.input:receive() end
+	 or function() return nil end
+
 	-- File handler
 	self.filehandler = function() end
 	
-	-- Environment table
-	self.env = env
+	-- HTTP-Message table
+	self.message = {
+		env = env,
+		headers = {},
+		params = luci.http.protocol.urldecode_params("?"..env.QUERY_STRING),
+	}
 	
-	setmetatable(self.get, {__index =
+	setmetatable(self.message.params, {__index =
 		function(tbl, key)
-			tbl = luci.http.protocol.urldecode_params(self.env.QUERY_STRING)
+			luci.http.protocol.parse_message_body(
+			 self.inputreader,
+			 self.message,
+			 self.filehandler
+			)
+			
 			setmetatable(tbl, nil)
 			return rawget(tbl, key)
-		end })  
-		
-	setmetatable(self.post, {__index =
-		function(tbl, key)
-			tbl = luci.http.protocol.
-			setmetatable(tbl, nil)
-			return rawget(tbl, key)
-		end })  
+		end
+	})
 end
 
 function Request.formvalue(self, name, default)
-	return tostring(self.post[name] or self.get[name] or default)
+	if name then
+		return self.message.params[name] and tostring(self.message.params[name]) or default
+	else
+		return self.message.params
+	end
 end
 
 function Request.formvaluetable(self, prefix)
 	local vals = {}
 	prefix = prefix and prefix .. "." or "."
 	
-	for k, v in pairs(self.getvalue()) do
-		if k:find(prefix, 1, true) == 1 then
-			vals[k:sub(#prefix + 1)] = tostring(v)
-		end
-	end
-	
-	for k, v in pairs(self.postvalue()) do
+	local void = self.message.params[nil]
+	for k, v in pairs(self.message.params) do
 		if k:find(prefix, 1, true) == 1 then
 			vals[k:sub(#prefix + 1)] = tostring(v)
 		end
@@ -88,17 +92,7 @@ function Request.formvaluetable(self, prefix)
 end
 
 function Request.getenv(self, name)
-	return name and self.env[name] or self.env
-end
-
-function Request.getvalue(self, name)
-	local void = self.get[nil]
-	return name and self.get[name] or self.get
-end
-
-function Request.postvalue(self, name)
-	local void = self.post[nil]
-	return name and self.post[name] or self.post
+	return name and self.message.env[name] or self.message.env
 end
 
 function Request.setfilehandler(self, callback)
@@ -212,20 +206,3 @@ end
 
 urldecode = luci.http.protocol.urldecode
 urlencode = luci.http.protocol.urlencode
---[[
-function urldecode(str)
-	str = str:gsub("+", " ")
-	str = str:gsub("%%(%x%x)",
-		function(h) return string.char(tonumber(h,16)) end)
-	str = str:gsub("\r\n", "\n")
-	return str	
-end
-
-function urlencode(str)
-	str = str:gsub("\n", "\r\n")
-	str = str:gsub("([^%w ])",
-		function (c) return string.format ("%%%02X", string.byte(c)) end)
-	str = str:gsub(" ", "+")
-	return str	
-end
-]]--

libs/web/luasrc/http/protocol.lua

@@ -370,9 +370,6 @@ function parse_message_header( data )
 
 			message.headers = hdrs
 
-			-- Get content
-			local clen = ( hdrs['Content-Length'] or HTTP_MAX_CONTENT ) + 0
-
 			-- Process get parameters
 			if ( method == "get" or method == "post" ) and
 			   message.request_uri:match("?")
@@ -421,25 +418,24 @@ end
 function parse_message_body( reader, message, filecb )
 
 	if type(message) == "table" then
+		local env = message.env
 
-		local hdrs = message.headers
-
+		local clen = ( env.CONTENT_LENGTH or HTTP_MAX_CONTENT ) + 0
+		
 		-- Process post method
-		if message.request_method == "post" and hdrs['Content-Type'] then
-
+		if env.REQUEST_METHOD:lower() == "post" and env.CONTENT_TYPE then
 			-- Is it multipart/form-data ?
-			if hdrs['Content-Type']:match("^multipart/form%-data") then
+			if env.CONTENT_TYPE:match("^multipart/form%-data") then
 				for k, v in pairs( mimedecode(
 					reader,
-					hdrs['Content-Type']:match("boundary=(.+)"),
+					env.CONTENT_TYPE:match("boundary=(.+)"),
 					filecb
 				) ) do
 					message.params[k] = v
 				end
 
-			-- Is it x-www-urlencoded?
-			elseif hdrs['Content-Type'] == 'application/x-www-urlencoded' then
-
+			-- Is it x-www-form-urlencoded?
+			elseif env.CONTENT_TYPE:match('^application/x%-www%-form%-urlencoded') then
 				-- XXX: readline isn't the best solution here
 				for chunk in reader do
 					for k, v in pairs( urldecode_params( chunk ) ) do
@@ -458,7 +454,6 @@ function parse_message_body( reader, message, filecb )
 			-- If a file callback is given then feed it line by line, else
 			-- store whole buffer in message.content
 			else
-
 				for chunk in reader do
 
 					-- We have a callback, feed it.