Re: isDeletableFileAtPath: returns YES for locked files???
Re: isDeletableFileAtPath: returns YES for locked files???
- Subject: Re: isDeletableFileAtPath: returns YES for locked files???
- From: Sean McBride <email@hidden>
- Date: Thu, 14 Apr 2011 14:27:49 -0400
- Organization: Rogue Research Inc.
On Wed, 13 Apr 2011 16:33:19 -0700, Laurent Daudelin said:
>Is it normal that NSFileManager's isDeletableFileAtPath: returns YES for
>a locked file? Based on the result it returns, when I try to send it a
>removeItemAtPath:error:, it fails and the error localized description is
>'“This is a test.docx” couldn’t be removed because you don’t have
>permission to access it.'. That seems wrong to me. First,
>isDeletableFileAtPath: shouldn't return YES for a locked file.
Sounds broken to me. But in any case, using methods like
isDeletableFileAtPath: can lead to race conditions. The file may be
unlocked when you check, but then locked right after, but before you
delete. See:
<http://developer.apple.com/library/mac/#documentation/Security/
Conceptual/SecureCodingGuide/Articles/RaceConditions.html>
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden