Date: Wed, 27 Oct 1999 21:33:25 -0400 From: "Mikhail Evstiounin" <evstiounin@adelphia.net> To: "Ruslan Ermilov" <ru@ucb.crimea.ua>, "Michael Rothenberg" <rothenberg@automationonline.com> Cc: <freebsd-questions@FreeBSD.ORG> Subject: Re: Stickybit (Was: Permissions for users in general) Message-ID: <004301bf20e4$6f4fdb40$84353018@evstiouninadelphia.net.pit.adelphia.net>
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-----Original Message-----
From: Michael Rothenberg <rothenberg@automationonline.com>
To: Ruslan Ermilov <ru@ucb.crimea.ua>
Cc: freebsd-questions@FreeBSD.ORG <freebsd-questions@FreeBSD.ORG>
Date: Wednesday, October 27, 1999 10:01 AM
Subject: Re: Stickybit (Was: Permissions for users in general)
>At 09:58 AM 10/27/99 +0300, you wrote:
>>>
>>See sticky(8).
>>
>>--
>>Ruslan Ermilov Sysadmin and DBA of the
>>ru@ucb.crimea.ua United Commercial Bank,
>>ru@FreeBSD.org FreeBSD committer,
>>+380.652.247.647 Simferopol, Ukraine
>
>
>Ok and here is sticky(8) exerpt:
>
>*A directory whose `sticky bit' is set becomes an append-only directory,
>*or, more accurately, a directory in which the deletion of files is re-
>*stricted. A file in a sticky directory may only be removed or renamed by
>*a user if the user has write permission for the directory and the user is
>*the owner of the file, the owner of the directory, or the super-user.
My interpretation:
if ( ( the user has write permission for the directory
&& user is the owner of the file )
|| ( the user is the owner of the directory )
|| ( the user is the super-user )
)
Correct me if I am wrong.
>*This feature is usefully applied to directories such as /tmp which must
>*be publicly writable but should deny users the license to arbitrarily
>*delete or rename each others' files.
>*Any user may create a sticky directory. See chmod(1) for details about
>*modifying file modes.
>
>This says that a file can be renamed by a user with write permission. Then
>a few sentances later in the example it says something opposite????? Which
>is it? If a dir is set sticky can a user with write permissions to that
>directory rename a file? Doesn't make sence if they can... I would try it,
>but I'm at work and we dont have FBSD here... }:(
>
>-Michael
>
>
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