[racket-dev] make-evaluator fails for honu

The short answer is to use call-with-trusted-sandbox-configuration so the sandbox can make filesystem calls without being hindered.

On 05/07/2012 11:46 AM, Jon Rafkind wrote:
> I'm trying to evaluate honu programs inside a sandbox but I get an error from `make-evaluator'. Other languages work (racket/base, typed/racket), its only 'honu that fails so I must have set up something incorrectly. Any idea what it could be?
>
> current-directory: `exists' access denied for /home/jon/tmp/
>
>  === context ===
> /home/jon/bin/plt/collects/setup/private/main-collects.rkt:19:4: find-main-collects
> /home/jon/bin/plt/collects/racket/private/promise.rkt:103:10
> /home/jon/bin/plt/collects/racket/private/more-scheme.rkt:268:2: call-with-exception-handler
> ...
>
> >From this code
>
> #lang at-exp racket/base
>
> (require racket/sandbox)
>
> (define (test input)
>   (define honu-eval (make-evaluator 'honu))
>   (honu-eval input))
>
> (define input string-append)
>
> (test @input{1})
>
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