diff options
Diffstat (limited to 'modules/luci-lua-runtime/luasrc/sgi/cgi.lua')
-rw-r--r-- | modules/luci-lua-runtime/luasrc/sgi/cgi.lua | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/modules/luci-lua-runtime/luasrc/sgi/cgi.lua b/modules/luci-lua-runtime/luasrc/sgi/cgi.lua new file mode 100644 index 0000000000..400db4710d --- /dev/null +++ b/modules/luci-lua-runtime/luasrc/sgi/cgi.lua @@ -0,0 +1,73 @@ +-- Copyright 2008 Steven Barth <steven@midlink.org> +-- Licensed to the public under the Apache License 2.0. + +exectime = os.clock() +module("luci.sgi.cgi", package.seeall) +local ltn12 = require("luci.ltn12") +require("nixio.util") +require("luci.http") +require("luci.sys") +require("luci.dispatcher") + +-- Limited source to avoid endless blocking +local function limitsource(handle, limit) + limit = limit or 0 + local BLOCKSIZE = ltn12.BLOCKSIZE + + return function() + if limit < 1 then + handle:close() + return nil + else + local read = (limit > BLOCKSIZE) and BLOCKSIZE or limit + limit = limit - read + + local chunk = handle:read(read) + if not chunk then handle:close() end + return chunk + end + end +end + +function run() + local r = luci.http.Request( + luci.sys.getenv(), + limitsource(io.stdin, tonumber(luci.sys.getenv("CONTENT_LENGTH"))), + ltn12.sink.file(io.stderr) + ) + + local x = coroutine.create(luci.dispatcher.httpdispatch) + local hcache = "" + local active = true + + 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 active then + if id == 1 then + io.write("Status: " .. tostring(data1) .. " " .. data2 .. "\r\n") + elseif id == 2 then + hcache = hcache .. data1 .. ": " .. data2 .. "\r\n" + elseif id == 3 then + io.write(hcache) + io.write("\r\n") + elseif id == 4 then + io.write(tostring(data1 or "")) + elseif id == 5 then + io.flush() + io.close() + active = false + elseif id == 6 then + data1:copyz(nixio.stdout, data2) + data1:close() + end + end + end +end |