[Hackage] #246: cabal-install's tar unpacking does not cope well with links

[Hackage]

#246: cabal-install's tar unpacking does not cope well with links
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  Reporter:  duncan              |        Owner:                     
      Type:  defect              |       Status:  closed             
  Priority:  normal              |    Milestone:                     
 Component:  cabal-install tool  |      Version:  1.2.3.0            
  Severity:  normal              |   Resolution:  fixed              
  Keywords:                      |   Difficulty:  very easy (<1 hour)
Ghcversion:  6.8.2               |     Platform:                     
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Changes (by kolmodin):

  * status:  new => closed
  * resolution:  => fixed

Comment:

 {{{
 Tue Mar  4 20:42:55 CET 2008  Lennart Kolmodin <kolmodin at gentoo.org>
   * Fix defect when unpacking tar files containing links
   There were two issues;
     * Unpacking links that point to files not yet unpacked
     * Used the link target as absolute path, but it's relative
   This patch addresses both issues, which is ticket #246.
   There may still be errors if a link refer to another link which has not
   been unpacked yet.
 }}}

 We should think of sanity (and security) too, what if a link points
 outside the working directory?

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/246#comment:1>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects