[racket] sandbox error

That appears to have done the trick. Thanks a lot!

On Wed, Jan 14, 2015 at 1:23 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> Ah, I see. The sandbox should allow reading from all directories in
> `(get-lib-search-dirs)`, but it currently only allows reading from
> `(find-lib-dir)`.
>
> I don't think that "/usr/lib" is needed in Racket's search path, since
> Racket eventually relies on the OS's library search path. I expect that
> "/usr/lib" is included in `(get-lib-search-dirs)` due to a
>
>  /usr/etc/racket-6.1.1/config.rktd
>
> file that includes "/usr/lib" in a `lib-search-dirs` entry. If so, I
> think that removing "/usr/lib" in that file should be ok and should
> work around the sandbox problem.
>
> Meanwhile, I'll adjust `racket/sandbox` for future releases.
>
> At Wed, 14 Jan 2015 13:11:36 -0700, Lucas Paul wrote:
>> From DrRacket (which is where I see the problem):
>>
>> Welcome to DrRacket, version 6.1.1 [3m].
>> Language: racket [custom]; memory limit: 128 MB.
>> > (require setup/dirs)
>>   (find-lib-dir)
>>   (get-lib-search-dirs)
>> #<path:/usr/lib/racket>
>> '(#<path:/home/lucas/.racket/6.1.1/lib> #<path:/usr/lib/racket>
>> #<path:/usr/lib>)
>> >
>>
>> On Wed, Jan 14, 2015 at 12:17 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
>> > Trying "/usr/lib/libcrypto" with no suffix is a last-ditch effort. It
>> > accommodates a library request where the given library name has a
>> > suffix already; in this case, "libcrypto" is provided without the
>> > suffix (and the search adds an ".so" suffix and version numbers).
>> >
>> > I don't yet have another idea why the search might fails. Just to make
>> > sure, what does
>> >
>> >   (require setup/dirs)
>> >   (find-lib-dir)
>> >   (get-lib-search-dirs)
>> >
>> > produce for your installation?
>> >
>> > At Wed, 14 Jan 2015 11:07:45 -0700, Lucas Paul wrote:
>> >> I have a couple of those:
>> >>
>> >> /usr/lib/libcrypto.so
>> >> /usr/lib/libcrypto.so.1.0.0
>> >>
>> >> I haven't changed anything, and the error is still here (thank
>> >> goodness for Bohr bugs). Anyway, the error doesn't say anything about
>> >> "/usr/lib/libcrypto.so" it wants exists? access to
>> >> "/usr/lib/libcrypto", which I find a little strange. Is it looking for
>> >> a directory?
>> >>
>> >> Lucas
>> >>
>> >> On Wed, Jan 14, 2015 at 8:24 AM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
>> >> > I think `scribble/manual` is trying to load "libcrypto" as part of
>> >> > using OpenSSL for its SHA1 functionality.
>> >> >
>> >> > I haven't been able to replicate the error that you're getting, and my
>> >> > best guess is that we need to add a version of libcrypto to our list.
>> >> > Does your installation have any of these?
>> >> >
>> >> >  libcrypto.so
>> >> >  libcrypto.so.1.0.1e
>> >> >  libcrypto.so.1.0.0
>> >> >  libcrypto.so.1.0
>> >> >  libcrypto.so.0.9.8b
>> >> >  libcrypto.so.0.9.8
>> >> >  libcrypto.so.0.9.7
>> >> >
>> >> > If you have some other "libcrypto", then a symbolic link from
>> >> > "libcrypto.so" to that version should work around the problem.
>> >> >
>> >> > At Tue, 13 Jan 2015 12:55:37 -0700, Lucas Paul wrote:
>> >> >> Hi. I'm trying to use a racket sandbox to safely evaluate some
>> >> >> scribble code, but I'm having trouble setting up the sandbox in the
>> >> >> first place. The following produces an error on my system:
>> >> >>
>> >> >> (make-evaluator 'racket/base #:requires '(scribble/manual
>> scribble/racket))
>> >> >>
>> >> >> The error is:
>> >> >>
>> >> >>
>> >>
>> ../../../../../../../usr/share/racket/collects/racket/private/so-search.rkt:37:
>> >> >> 20:
>> >> >> file-exists?: `exists' access denied for /usr/lib/libcrypto
>> >> >>
>> >> >> I'm running Racket 6.1.1 on Arch Linux x86_64. The exact same code
>> >> >> seems to work correctly for Michael Ballantyne with Racket 6.1 on a
>> >> >> Mac. Am I doing something wrong? Is there a reason Scribble needs
>> >> >> libcrypto? Is this a bug I should report? I truly don't know what's
>> >> >> going on.
>> >> >>
>> >> >> Please help,
>> >> >> Lucas
>> >> >> ____________________
>> >> >>   Racket Users list:
>> >> >>   http://lists.racket-lang.org/users