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Re: Loadstring(bytecode) Will No Longer Work

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Shedletsky is not online. Shedletsky
Joined: 21 Jun 2006
Total Posts: 9114
03 Aug 2012 06:18 PM
As promised several months ago (http://www.roblox.com/Forum/ShowPost.aspx?PostID=64807674), we've disabled the loading of arbitrary bytecode using loadstring.

Here's the full explanation for those who are interested:

http://blog.roblox.com/2012/08/bye-bye-bytecode/

Shout out to Jason who pointed out the dangers of this a long time ago - he was eventually proven right (http://www.roblox.com/Forum/ShowPost.aspx?PostID=57817090)
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GeneralTrumbo is not online. GeneralTrumbo
Joined: 23 May 2008
Total Posts: 5200
03 Aug 2012 06:20 PM
Well this sure sucks...
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mustyoshi is not online. mustyoshi
Top 50 Poster
Joined: 27 Dec 2007
Total Posts: 41651
03 Aug 2012 06:21 PM
Can you fix SpecialMesh.Offset now?

~Monica
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Techboy6601 is not online. Techboy6601
Joined: 29 Jun 2009
Total Posts: 4914
03 Aug 2012 06:21 PM
We knew bytecode didn't work before it was cool :3
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Salinas23 is not online. Salinas23
Joined: 28 Dec 2008
Total Posts: 37141
03 Aug 2012 06:22 PM
No way! D:!

Well, it's for ROBLOX future :D
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Salinas23 is not online. Salinas23
Joined: 28 Dec 2008
Total Posts: 37141
03 Aug 2012 06:24 PM
Wait, so can I create my OWN script language?!

I'm not interesed tho C:
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TheCapacitor is not online. TheCapacitor
Joined: 19 Jan 2011
Total Posts: 7045
03 Aug 2012 06:25 PM
NOW ITS TIME TO EXPECT CLUELESS IDIOTS TO REPLY TO AN ADMINS THREAD.
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agent767 is not online. agent767
Joined: 03 Nov 2008
Total Posts: 4181
03 Aug 2012 06:26 PM
I demand a legit method for getting free tix/placevisits!
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Techboy6601 is not online. Techboy6601
Joined: 29 Jun 2009
Total Posts: 4914
03 Aug 2012 06:28 PM
@agent767

SN0X pointed out a good manual to doing that a couple days ago
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Silvu is not online. Silvu
Joined: 05 Mar 2011
Total Posts: 19434
03 Aug 2012 06:30 PM
Hey John

Do you plan on porting Roblox to Linux soon?

As soon as you guys do that and Valve ports the Source engine to Linux I'm switching to Linux for good
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agent767 is not online. agent767
Joined: 03 Nov 2008
Total Posts: 4181
03 Aug 2012 06:31 PM
@Techboy
Would you kindly send me a link to this thread?
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Shedletsky is not online. Shedletsky
Joined: 21 Jun 2006
Total Posts: 9114
03 Aug 2012 06:42 PM
@Silvu

If they fix the *#%@# graphics drivers, we'll think about it.
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agent767 is not online. agent767
Joined: 03 Nov 2008
Total Posts: 4181
03 Aug 2012 06:42 PM
^reported for cursing >:o
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Techboy6601 is not online. Techboy6601
Joined: 29 Jun 2009
Total Posts: 4914
03 Aug 2012 06:44 PM
@agent767

Forgot the link. Sorry.
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Xnite515 is not online. Xnite515
Joined: 18 Feb 2011
Total Posts: 22763
03 Aug 2012 06:57 PM
Can I have your Anti-Exploti script, lol.
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Standardization is not online. Standardization
Joined: 06 Jan 2011
Total Posts: 2641
03 Aug 2012 07:17 PM
this breaks so many games. :(
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HatHelper is not online. HatHelper
Top 25 Poster
Joined: 02 Mar 2009
Total Posts: 46305
03 Aug 2012 07:20 PM
I can't test it for myself, not my computer, but two questions, for anyone.

Can I do,

loadstring([[
for i=1, 10 do
print(i)
end
]])


and does this still work

loadstring("\45\23\67\23\num\num\etc")

?

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Tarabukka is not online. Tarabukka
Joined: 18 Jan 2011
Total Posts: 394
03 Aug 2012 07:22 PM
The first still works. The second does not.

P.S. Lua bytecode always starts with \27 (ESC)
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Standardization is not online. Standardization
Joined: 06 Jan 2011
Total Posts: 2641
03 Aug 2012 07:22 PM
@HH

just bytecode
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stravant is not online. stravant
Forum Moderator
Joined: 22 Oct 2007
Total Posts: 2893
03 Aug 2012 07:24 PM
"loadstring("\45\23\67\23\num\num\etc")"

That's just a string constant exactly like the equivalent plaintext string. loadstring wouldn't be able to tell the difference between that and a plain old string even if it wanted to.
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Tarabukka is not online. Tarabukka
Joined: 18 Jan 2011
Total Posts: 394
03 Aug 2012 07:28 PM
Also: referring to Linux graphics drivers, there's a hole in the NVIDIA binary drivers for Linux that allows writing to kernel memory through the /dev/nvidia0 device. Gotta love closed source running alongside open source like that... I am running the binary drivers, but haven't tested binary drivers yet with OpenGL (annoying dynamic library incompatibilities between versions and 32-bit/64-bit...)
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Robloxianof07 is not online. Robloxianof07
Joined: 30 Jul 2012
Total Posts: 896
03 Aug 2012 07:30 PM
@Shedletsky
REPORTED, LOLOLO jk. But seriously we need support for linux.
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HatHelper is not online. HatHelper
Top 25 Poster
Joined: 02 Mar 2009
Total Posts: 46305
03 Aug 2012 07:32 PM
What about people that used loadstring to prevent stealers? I was looking for wingman8's checkpoint cars so that I could make my own, and all I could find was loadstring stuff. What can they do now?
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Techboy6601 is not online. Techboy6601
Joined: 29 Jun 2009
Total Posts: 4914
03 Aug 2012 07:34 PM
every single model is now open source now, apparently
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Z3R0xT0L3R4NC3 is not online. Z3R0xT0L3R4NC3
Joined: 06 Feb 2011
Total Posts: 127
03 Aug 2012 07:35 PM
Devs are supposed to update to stop place stealing all together.
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