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@@ -0,0 +1,78 @@ |
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local minitel = require "minitel" |
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local serial = require "serialization" |
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local cfg = {["path"]="/boot/srv/frequest",["port"]=70} |
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f=io.open("/boot/cfg/fserv.cfg","rb") |
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if f then |
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local ncfg = serial.unserialize(f:read("*a")) |
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f:close() |
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for k,v in pairs(ncfg) do |
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cfg[k] = v |
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end |
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end |
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local function fileHandler(socket,rtype,path) |
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syslog(string.format("[%s:%d] %s %s",socket.addr,socket.port,rtype,path),syslog.info,"fserv") |
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if rtype == "t" then |
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if fs.exists(path) and fs.isDirectory(path) then |
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socket:write("d") |
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for _,file in ipairs(fs.list(path)) do |
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socket:write(file.."\n") |
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end |
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elseif fs.exists(path) and not fs.isDirectory(path) then |
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local f,err = io.open(path,"rb") |
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if f then |
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socket:write("y") |
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while true do |
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local c = f:read(4096) |
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if not c or c == "" then break end |
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socket:write(c) |
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end |
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else |
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socket:write("fFailed to open file: "..err) |
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end |
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else |
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socket:write("nFile not found") |
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end |
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elseif rtype == "s" then |
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if fs.exists(path) then |
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local ftype = "f" |
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if fs.isDirectory(path) then |
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ftype = "d" |
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end |
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socket:write(string.format("y%s\n%d",ftype,fs.size(path))) |
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else |
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socket:write("nFile not found.") |
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end |
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else |
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socket:write("fUnknown request type") |
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end |
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socket:close() |
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end |
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local function httpHandler(socket,rtype,path) |
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socket:write("fHTTP requests are not yet implemented.") |
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socket:close() |
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end |
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local function socketHandler(socket) |
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return function() |
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local line = nil |
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repeat |
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coroutine.yield() |
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line = socket:read() |
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until line |
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local rtype, path = line:match("(.)(.+)") |
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if path:sub(1,6) == "/http/" or path:sub(1,5) == "http/" then |
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httpHandler(socket,rtype,path) |
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else |
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path = (cfg.path .. "/" .. path:gsub("../","")):gsub("/+","/") |
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fileHandler(socket,rtype,path) |
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end |
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socket:close() |
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end |
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end |
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while true do |
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os.spawn(socketHandler(minitel.listen(70))) |
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end |