Re: LISTEN/NOTIFY Security and the docs - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: LISTEN/NOTIFY Security and the docs
Date
Msg-id 20120830014557.GI8753@momjian.us
Whole thread Raw
In response to Re: LISTEN/NOTIFY Security and the docs  (Magnus Hagander <magnus@hagander.net>)
List pgsql-hackers
On Thu, May 24, 2012 at 01:03:18PM +0200, Magnus Hagander wrote:
> On Fri, May 18, 2012 at 5:08 PM, Chander Ganesan <chander@otg-nc.com> wrote:
> > Hi All,
> >
> > I just realized that anyone can listen for notifications (using listen) so
> > long as they know the "channel" name.  This means that a user could receive
> > and view the payload for another user.
> >
> > Perhaps it would be good to note this in the documentation (i.e., there
> > should be no expectation of privacy/security when using listen/notify, so
> > any user that can connect to a database could issue and receive
> > notifications for any channel.)
>
> Might be worth a note, yes. The lack of a note really should tell you
> that it's a broadcast, but it wouldn't hurt to have an extra one.
>
> Want to prepare a patch?

Attached documentation patch applied.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

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