made executing server-side scripts optional, improved file type detection

example.cfg

@@ -6,5 +6,6 @@ config.port = 70 -- the external port of the server
 config.bindport = 7000 -- the port to actually bind to
 config.dirinfo = true -- whether to output some extra info in automatic directory indexes
 config.timer = 0.1 -- main loop timer
+config.cgi = true -- whether to enable server-side scripts
 
 return config

gopherd.lua

@@ -8,12 +8,14 @@ local threads = {}
 
 -- initial configuration
 local config = {}
-config.path = "/var/gopher"
+config.path = "/var/www/gopher"
 config.hostname = "shadowkat.net"
 config.port = 70
 config.bindport = 7000
 config.dirinfo = true
 config.timer = 0.1
+config.cgi = true
+--config.cgipattern = ".*" -- todo
 
 -- load the config as a lua script
 if tArgs[1] then
@@ -54,9 +56,10 @@ local function detectft(path) -- tries to detect the file type
  end
  if path:sub(-4) == ".png" or path:sub(-4) == ".jpg" or path:sub(-5) == ".jpeg" or path:sub(-4) == ".bmp" or path:sub(-4) == "gif" then
   return "I"
- end
+ elseif path:sub(-5) == ".html" or path:sub(-4) == ".htm" then
- if path:sub(-5) == ".html" or path:sub(-4) == ".htm" then
   return "h"
+ elseif path:sub(-10) == ".gopherdir" then
+  return "1"
  end
  return "0"
 end
@@ -73,7 +76,7 @@ local function handleConnect(client)
   local attr = fs.attributes(path)
   if attr then
    if attr.mode:sub(1,3) == "dir" then
-    if lfs.attributes(path.."/.gopherdir.cgi") then
+    if lfs.attributes(path.."/.gopherdir.cgi") and config.cgi then
      local f = io.popen(path.."/.gopherdir.cgi")
      coroutine.yield()
      client:send(f:read("*a"))
@@ -93,7 +96,7 @@ local function handleConnect(client)
      end
     end
    else
-    if path:sub(-4) == ".cgi" then
+    if path:sub(-4) == ".cgi" and config.cgi then
      local f = io.popen(path)
      coroutine.yield()
      client:send(f:read("*a"))

install/tiny-gopherd.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Tiny gopher daemon
+After=network.target
+StartLimitIntervalSec=0
+
+[Service]
+Type=simple
+Restart=always
+RestartSec=1
+User=www-data
+ExecStart=/usr/bin/env lua /var/www//gopherd.lua /etc/tiny-gopherd.cfg
+
+[Install]
+WantedBy=multi-user.target