Hey, I'm having troubles getting File::Path to run in a script with taint checking.

The values I pass in are taint safe. It seems the values it pulls out of a readdir are not though, as it dies on unlinking a file in a subdirectory of the file I pass in.

Has anyone else had this problem?

Here is a simple script that also has this problem: 

#!/usr/bin/perl -wT

use strict;
use File::Path qw/rmtree mkpath/;

rmtree(untaint_filename($ARGV[0]), 1, 1)
  or die "Could not rmtree $ARGV[0]: $!";

sub untaint_filename {
  my ($filename) = ($_[0] =~ m!^([\w\d\-_/\.]+)$!)
    or die "$_[0] is not safe.";

  return $filename;
}

[download]
Do the following (on unix) to test it: 
mkdir -p blah/blah/blah/blah
touch blah/blah/foo
touch blah/blah/bar
touch blah/blah/blah/foo
touch blah/blah/blah/bar

./test.pl blah

[download]
btw, I'm running perl 5.6.0 on linux with File::Path 1.0403

In reply to File::Path and Taintedness by DrZaius

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