From: Eric Hodel <drbrain@...7.net>
Date: 2007-01-10T01:42:46+09:00
Subject: Re: Strange safe level change

On Jan 8, 2007, at 22:29, Tom wrote:

> Well I'm mailing about a problem I'm having while using the rails  
> framework, since it does seem to be a ruby problem I thought I  
> might as well post here
>
> I have a security level problem, for unknown reasons it switches  
> from level 0 to level 4 and then provoke some error related to the  
> security level...

$SAFE is switched when you assign to it, never at any other time.

> I have a plugin we developed I that uses a lot of method.call and  
> apparently according to a post at technoweeny rails forum, this  
> could be the problem ( http://www.railsweenie.com/forums/1/topics/ 
> 659 ) ...
>
> Is there any way to resolve this problem without having to stop  
> using method.call (we don't really want a major rewrite) ? What  
> exactly is the problem and why does it happen?

You have code like $SAFE = 4 in your program somwhere.  Use grep to  
find it.

Typically $SAFE = 4 is only set in a spawned thread since its so  
strict its rarely useful outside of sandboxing dangerous code.

-- 
Eric Hodel - drbrain@segment7.net - http://blog.segment7.net

I LIT YOUR GEM ON FIRE!