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Re^2: Passing argument into STDIN inside safe.pm revalby gideondsouza (Pilgrim) |
on Feb 12, 2013 at 05:20 UTC ( [id://1018297]=note: print w/replies, xml ) | Need Help?? |
Hey thanks a ton for your replies and effort! I guess running the code in a virtual environment is the only way out! I'm trying to sort of understand and mimic www.perltuts.com. The author says this on his blog : Evaluator is a simple daemon that runs on a virtual machine, it accepts the code, builds the Perl package and evals it capturing the output with Capture::Tiny. It does some timeout checking and fork limiting of course. The virtual machine (qemu Debian image) allows you to run a real Perl code on a real machine. This can be used when writing advanced tutorials including IO, networking, forks etc (I tried Safe but wanted more freedom). It is reset every hour from a snaphot. So I' playing about on Amazon EC2 and was thinking of running a new instance that will just evaluate code and return the result. I'm thinking I can use Time::Out to timeout operations, but (1) how do I do a fork limit? (2) Am I pretty safe if I allow any perl code to run but restart my VM every hour or something?
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