implement one lua state per connectionHEADmaster

This allows you load various modules into a server lua state and give
a performance boost when calling the privileged functions

1 files changed, 0 insertions, 66 deletions

diff --git a/bin/lua-privsep.c b/bin/lua-privsep.c
deleted file mode 100644
index d6d750c..0000000
--- a/bin/lua-privsep.c
+++ /dev/null
@@ -1,66 +0,0 @@
-#include <stdio.h>
-
-#include <lua.h>
-#include <lauxlib.h>
-#include <lualib.h>
-
-#include "conn.h"
-#include "lua-privsep.h"
-
-#ifndef PRIVSEP_PATH
-#define PRIVSEP_PATH "./"
-#endif
-
-static int traceback (lua_State *L) {
-	if (!lua_isstring(L, 1))  /* 'message' not a string? */
-		return 1;  /* keep it intact */
-	fprintf(stderr, "traceback\n");
-	lua_getfield(L, LUA_GLOBALSINDEX, "debug");
-	if (!lua_istable(L, -1)) {
-		fprintf(stderr, "traceback: debug\n");
-		lua_pop(L, 1);
-		return 1;
-	}
-
-	lua_getfield(L, -1, "traceback");
-	if (!lua_isfunction(L, -1)) {
-		fprintf(stderr, "traceback: traceback\n");
-		lua_pop(L, 2);
-		return 1;
-	}
-
-	lua_pushvalue(L, 1);  /* pass error message */
-	lua_pushinteger(L, 2);  /* skip this function and traceback */
-	lua_call(L, 2, 1);  /* call debug.traceback */
-	return 1;
-}
-
-int call_lua(int fd, const char *msg, size_t msglen)
-{
-	const char *luamain = PRIVSEP_PATH "privileged-main.lua";
-	int traceback_index;
-	const char *retbuf;
-	size_t retsize;
-
-	lua_State *L = luaL_newstate();
-	luaL_openlibs(L);
-
-	lua_pushcfunction(L, traceback);
-	traceback_index = lua_gettop(L);
-
-	if (luaL_loadfile(L, luamain))
-		return luaL_error(L, "%s", luamain);
-
-	lua_pushlstring(L, msg, msglen);
-
-
-	if (lua_pcall(L, 1, 1, traceback_index))
-		return luaL_error(L, "error");
-
-	if (!lua_isstring(L, -1))
-		error(L, "function must return string");
-	
-	retbuf = lua_tolstring(L, -1, &retsize);
-	return write(fd, retbuf, retsize);
-}
-