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Thread: Obtaining security permissions on a folder

  1. Aug 20th, 2008, 08:44 AM #1
    drag0n_45
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    Obtaining security permissions on a folder

    I've searched the forums, and it seems a lot of people are recommending GetAttr. Will GetAttr be able to read the NT security permissions of a given folder? For instance, the folder may not be read-only, but the user may not have the "create files/folders" permission, which would make it read-only in a sense. Will GetAttr be able to detect this?
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  2. Aug 20th, 2008, 09:31 AM #2
    si_the_geek
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    Re: Obtaining security permissions on a folder

    Nope, they are different things entirely.

    What you can use is the GetFileSecurity API.
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  3. Aug 20th, 2008, 09:50 AM #3
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    Re: Obtaining security permissions on a folder

    I'd be trying to create a file in a directory and want to check to make sure I can before doing so. Is there anything besides those two functions I should consider?
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  4. Aug 20th, 2008, 10:27 AM #4
    si_the_geek
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    Re: Obtaining security permissions on a folder

    There is one other thing I can think of which is Share permissions - but they only apply if it is a shared folder you are working with (and have connected to it as a share, as opposed to via the parent folders etc). Unfortunately I don't know how you can detect the permissions there.

    I would suggest creating a test file, but then you may not be able to Delete or Edit it!
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  6. Aug 20th, 2008, 10:57 AM #5
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    Re: Obtaining security permissions on a folder

    True. I'll just stick with the security permissions API for now. I'll write a quick sub and test it. I'll leave the thread open until I know for sure that it works.
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  7. Aug 20th, 2008, 01:10 PM #6
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    Re: Obtaining security permissions on a folder

    It looks like GetFileSecurity is VERY complicated, or at least the example on allapi is complicated. Would it be possible to get a bit of a hand with how I would just determine whether a file has read/write permissions?
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  8. Aug 20th, 2008, 03:24 PM #7
    si_the_geek
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    Re: Obtaining security permissions on a folder

    It looks like this version might be easier to use: http://www.vbforums.com/showthread.php?t=81966
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