gEDA-bug: [Bug 700333] Re: Local configuration should be parsed, not evaluated

[Krzysztof KoÅciuszkiewicz <700333@xxxxxxxxxxxxxxxxxx>]

Does it make sense to change to another configuration file format?
Maybe configuration files can be evaluated in a sandbox environment - if supported by Guile.
Another way is to treat the files like a Scheme list, ie interpret them instead of evaluating.

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https://bugs.launchpad.net/bugs/700333

Title:
  Local configuration should be parsed, not evaluated

Status in GPL Electronic Design Automation tools:
  Confirmed

Bug description:
   affects geda
   security yes
   private no
   done

  Currently, per-directory rc files are evaluated as Scheme scripts.  This
  is an arbitrary code execution security risk.  For example, users (and
  in particular *new* users) are likely to want to download and open
  designs from elsewhere, and almost all designs include a 'gafrc' file to
  set up per-project component libraries.

  Instead of being evaluated, local configuration files should be parsed.
  This way it would be much harder to craft malicious designs.

  An example of a parsable configuration file format is the resource file
  format used by PCB.

  In addition, a tool should be developed for migrating existing designs'
  rc files to the any configuration system.




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