79 lines
1.8 KiB
Lua
79 lines
1.8 KiB
Lua
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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
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