it seems i can't get the lua dostring return,why?

[ranassa]

i used iHook do luastring successfully,but i can't get the lua return like this

Lua_DoString(@"(function()
local d1, d2, d3
if (GlueDialog:IsShown()) then
d1 = GlueDialog.which
d2 = GlueDialogText:GetText()
if (GlueDialogHTML:IsShown()) then
d3 = 'html'
end
else
if (TOSFrame:IsShown()) then
d1 = string.lower(TOSFrame.noticeType)
local scrollbar = _G[TOSFrame.noticeType .. 'ScrollFrameScrollBar'];
if (scrollbar:IsShown()) then
local min, max = scrollbar:GetMinMaxValues()
scrollbar:SetValue(max)
end
end
end
return CURRENT_GLUE_SCREEN, CURRENT_GLUE_PENDING, d1, d2, d3, IsConnectedToServer()
end)()");

CurrentGlueScreen = Lua_GetLocalizedText(0);
string PendingScreen = Lua_GetLocalizedText(1);
CurrentGlueDialog = Lua_GetLocalizedText(2);
string DialogText = Lua_GetLocalizedText(3);
string d3 = Lua_GetLocalizedText(4);
string Connected = Lua_GetLocalizedText(5);

can any1 tell why?

---------- Post added at 06:23 AM ---------- Previous post was at 06:22 AM ----------

Hook.DoString("d2 = GlueDialogText:GetText()");
Console.WriteLine("Value: " + Hook.GetLocalizedText("d2"));

it's my code with iHook,but client crashed

[JuJuBoSc]

As you are out of game, i'm 99% that iHook pass null pointer, so it crash, instead of use iHook, write your own and u should be able to call lua_GetLocalizedText when not in game.

[ranassa]

thank you jujubosc,i have made it with blackmagic,hooking and unhooking successfully,also
DoLuaString works well,but GetLocalizedText failure(got nothing),here is my code below,
can you help me?


public static string GetLocalizedText(string Command)
{
// Allocate memory for command
uint Lua_GetLocalizedText_Space = wowMagic.AllocateMemory(Encoding.UTF8.GetBytes(Command).Length + 1);

// offset:
FrameScript__GetLocalizedText = wowBaseAddr + FrameScript__GetLocalizedText;
ClntObjMgrGetActivePlayerObj = wowBaseAddr + ClntObjMgrGetActivePlayerObj;

// Write command in the allocated memory
wowMagic.WriteBytes(Lua_GetLocalizedText_Space, Encoding.UTF8.GetBytes(Command));

String[] asm = new String[]
{
"call " + (uint)ClntObjMgrGetActivePlayerObj,
"mov ecx, eax",
"push -1",
"mov edx, " + Lua_GetLocalizedText_Space + "",
"push edx",
"call " + (uint)FrameScript__GetLocalizedText,
"retn",
};
// Inject the shit
string sResult = Encoding.ASCII.GetString(InjectAndExecute(asm));

// Free memory allocated for command
wowMagic.FreeMemory(Lua_GetLocalizedText_Space);

// Uninstall the hook
return sResult;
}

[JuJuBoSc]

"call " + (uint)ClntObjMgrGetActivePlayerObj, <- this will return 0 if u are not in game, that's why.

My guess is you should call FrameScript_GetText directly.

[ranassa]

but i get nothing even when i am ingame(it's string.empty,not null),i will try FrameScript__GetLocalizedText on both asm call,thank you again JuJuBoSc;


and another problem with my code is that i can't Do_LuaString without character logging in the game.i can play DoEmote("Dance") ingame,but when i try to DefaultServerLogin in the login frame,client crashes.not the lua,offset issue,since it works well for me when i use iHook,here is my code below.

public static void LuaDoString(string command)
{
FrameScript_ExecuteBuffer = wowBaseAddr + FrameScript_ExecuteBuffer;

// Allocate memory and write somethins
uint codeCave = wowMagic.AllocateMemory(command.Length + 0x100);
wowMagic.WriteASCIIString(codeCave, command);

// Write the asm stuff for Lua_DoString
String[] asm = new String[]
{
"mov eax, " + codeCave,
"push 0",
"push eax",

"push eax",
"mov eax, " + FrameScript_ExecuteBuffer, // Lua_DoString

"call eax",
"add esp, 0xC",
"retn",
};

InjectAndExecute(asm); // Inject
wowMagic.FreeMemory(codeCave); // Free memory allocated
}

[ranassa]

how i can rep somebody?

[Serpious]

how i can rep somebody?

Press the "rep" button?

[ranassa]

rep given.ohhhhhhhhhhhhhhhhhhhhhhhhh

[JuJuBoSc]

Strange, I remember someone already posted on that crash with defaultserverlogin ...

[_Mike]

Is lua thread-safe? (Assuming InjectAndExecute() is a wrapper for CreateRemoteThread().. If it runs from the main thread then just ignore this post)

[ranassa]

thank you mike,thank you JuJuBoSc,it's regret i can't rep you twice.

i have fix it after stealed some code from other sample,defaultserverlogin and GetLocalizedText both works well now.
but how i get the LuaDoString return when i am not login my character?

like this:
Lua_DoString(@"(function()
local d1, d2, d3
if (GlueDialog:IsShown()) then
d1 = GlueDialog.which
d2 = GlueDialogText:GetText()
if (GlueDialogHTML:IsShown()) then
d3 = 'html'
end
else
if (TOSFrame:IsShown()) then
d1 = string.lower(TOSFrame.noticeType)
local scrollbar = _G[TOSFrame.noticeType .. 'ScrollFrameScrollBar'];
if (scrollbar:IsShown()) then
local min, max = scrollbar:GetMinMaxValues()
scrollbar:SetValue(max)
end
end
end
return CURRENT_GLUE_SCREEN, CURRENT_GLUE_PENDING, d1, d2, d3, IsConnectedToServer()
end)()");

CurrentGlueScreen = Lua_GetLocalizedText(0);
string PendingScreen = Lua_GetLocalizedText(1);
CurrentGlueDialog = Lua_GetLocalizedText(2);
string DialogText = Lua_GetLocalizedText(3);
string d3 = Lua_GetLocalizedText(4);
string Connected = Lua_GetLocalizedText(5);

how i get CURRENT_GLUE_SCREEN, CURRENT_GLUE_PENDING, d1, d2, d3, IsConnectedToServer()?
when i tried to do this(in the login frame i typed a wrong account,it show a GlueDialog):

LuaDoString("d2=GlueDialogText:GetText()")
string test = GetLocalizedText("d2");

client crashed

[debiangrub3]

if you are not ingame.


you must to do this:

1.hook d3d9.
2.use Lua Stack And C++ to Access .(lua access c++ and c++ access lua). In the wow,you only learn c++ access lua.

there is Keywords maybe help you to search:
lua_gettop,lua_settop,lua_open,luaL_loadbuffer,*lua_Reader,lua_pcall,Lua_ToLStri ng

thanks.