| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Kris Jurka <books(at)ejurka(dot)com> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Rushabh Lathia <rushabh(dot)lathia(at)enterprisedb(dot)com> |
| Subject: | Re: [BUGS] Server crash while trying to read expression using pg_get_expr() |
| Date: | 2010-06-09 17:34:13 |
| Message-ID: | 27906.1276104853@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-hackers |
Kris Jurka <books(at)ejurka(dot)com> writes:
> On Wed, 9 Jun 2010, Heikki Linnakangas wrote:
>> Are you thinking we should retrict pg_get_expr() to superusers then?
> That seems like it will cause problems for both pg_dump and drivers which
> want to return metadata as pg_get_expr has been the recommended way of
> fetching this information.
Yes, it's not a trivial fix either. We'll have to provide functions or
views that replace the current usages without letting the user insert
untrusted strings.
regards, tom lane
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