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Re: Schema security

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Paul Lambert <paul(dot)lambert(at)reynolds(dot)com(dot)au>
Cc: pgsql admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Schema security
Date: 2007-12-13 18:49:22
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On Thu, 13 Dec 2007 14:55:53 +0900
Paul Lambert <paul(dot)lambert(at)reynolds(dot)com(dot)au> wrote:
> > The analogy to think about is that usage privilege on a schema is
> > comparable to read access on a directory.  That doesn't necessarily
> > give you access to any single file in the directory --- but lack of
> > it does ensure you cannot get to those files.
> > 
> > 			regards, tom lane

> Point taken and yes, I would agree that default behavior should be to 
> not give priviledges to anything other than the explicitly defined 
> object - but would it not be a good idea to provide some sort of 
> cascade/recurse option to granting/revoking privileges so that doing
> so on a container object results in the priviledges being propogated
> down the line for the cases where such is desired?

Yes and it has been oft requested. However :), nobody has coded a patch
or submitted a proposal on how it would be done in a maintainable

> Taking your example of file permissions - although it is not default 
> behavior, it is possible to recursively apply a priviledge change to
> a directory onto files/subdirectories within it. Certainly it can be
> done on OpenVMS and Windows that I work with primarily and I'm 99%
> sure it can be done on *ix systems too.

Yes *ix can do it to.


Joshua D. Drake 

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