From 866946646bc003b15b8f686e0d7543d155f30449 Mon Sep 17 00:00:00 2001
From: Alexey <alex@oblat.lv>
Date: Wed, 6 Aug 2025 09:58:40 +0300
Subject: [PATCH] delete some io.* writing functions

---
 com/_prepare.lua                   | 12 ------------
 internal/server/sv1/lua_handler.go | 14 +++++++++++++-
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/com/_prepare.lua b/com/_prepare.lua
index 6952840..98cbbbb 100644
--- a/com/_prepare.lua
+++ b/com/_prepare.lua
@@ -2,15 +2,3 @@
 package.path = package.path .. ";/usr/lib64/lua/5.1/?.lua;/usr/local/share/lua/5.1/?.lua" .. ";./com/?.lua;"
 package.cpath = package.cpath .. ";/usr/lib64/lua/5.1/?.so;/usr/local/lib/lua/5.1/?.so"
 
-print = function() end
-io.write = function(...) end
-io.stdout = function() return nil end
-io.stderr = function() return nil end
-io.read = function(...) return nil end
-
----@type table<string, any>
-Status = {
-	ok = "ok",
-	error = "error",
-	invalid = "invalid",
-}
diff --git a/internal/server/sv1/lua_handler.go b/internal/server/sv1/lua_handler.go
index feebe64..5610af9 100644
--- a/internal/server/sv1/lua_handler.go
+++ b/internal/server/sv1/lua_handler.go
@@ -46,6 +46,18 @@ func (h *HandlerV1) handleLUA(sid string, r *http.Request, req *rpc.RPCRequest,
 	L := lua.NewState()
 	defer L.Close()
 
+	ioMod := L.GetGlobal("io").(*lua.LTable)
+	for _, k := range []string{"write", "output", "flush", "read", "input"} {
+		ioMod.RawSetString(k, lua.LNil)
+	}
+
+	for _, name := range []string{"stdout", "stderr", "stdin"} {
+	stream := ioMod.RawGetString(name)
+	if t, ok := stream.(*lua.LUserData); ok {
+			t.Metatable = lua.LNil
+		}
+	}
+	
 	seed := rand.Int()
 
 	loadSessionMod := func(L *lua.LState) int {
@@ -59,7 +71,7 @@ func (h *HandlerV1) handleLUA(sid string, r *http.Request, req *rpc.RPCRequest,
 		for k, v := range r.Header {
 			L.SetField(fetchedHeadersTable, k, ConvertGolangTypesToLua(L, v))
 		}
-		
+
 		headersGetter := L.NewFunction(func(L *lua.LState) int {
 			path := L.OptString(1, "")
 			def := L.Get(2)