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Re^4: and untainting

by syphilis (Chancellor)
on Jul 30, 2009 at 09:43 UTC ( #784550=note: print w/replies, xml ) Need Help??

in reply to Re^3: and untainting
in thread and untainting

and ( $attr & READONLY )

That doesn't seem to do quite the same thing. GetAttributes() tells me that neither C:/Windows/System32 nor many of the files in it are READONLY. Yet, I can't write to that directory, or to any of the files in it.


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Re^5: and untainting
by afoken (Abbot) on Jul 30, 2009 at 16:58 UTC

    GetAttributes() (from Win32::File) returns the file attributes that were invented around 1980 for MS-DOS, namely ARCHIVE, DIRECTORY, HIDDEN, READONLY, and SYSTEM, plus three new using the remaining bits of a byte, invented somewhere around Windows 98 or NT 4.0: OFFLINE, COMPRESSED, and TEMPORARY. Again, these attributes do not have any relation to the ACLs. Win32::Security::ACL should be able to access the ACLs and to tell you why you can't write to the directory.


    Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)
      Thanks for that. A CPAN search for Win32::Security::ACL also turned up Win32::FileSecurity. I haven't yet got into the finer details of comparing them.


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[Corion]: marto: Hehehe - indeed, stuff on Youtube already has subtitle data included. It isn't littered with (separated/content -separable) advertisements, as my adblocker already takes care of pre-roll ads for me
[Corion]: But yes, maybe I should look into streamlining my media consumption even more - I just found out some days ago that youtube-dl can download stuff from sites other than YouTube :)

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