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[personal profile] gerald_duck Wed 2007-07-25 10:44
What I had in mind was:
  • rm -r starts deleting stuff
  • It determines that foo is a subdirectory
  • A Bad Person quickly does mv foo old-foo; ln -s /home/victim foo
  • rm -r descends into foo, which is now in reality the victim's home directory
  • It recursively deletes everything it finds there.
I suspect the GNU version, at least, checks this hasn't happened. But I'm not sure, and I really ought to know.
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