From: Bruce Momjian <bruce@momjian.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Erki Eessaar <erki.eessaar@taltech.ee>
Cc: pgsql-docs@lists.postgresql.org <pgsql-docs@lists.postgresql.org>
Subject: Re: SQL-standard function bodies and creating SECURITY DEFINER routines securely
Date: Tue, 16 Aug 2022 15:38:13 -0400
Message-ID: <YvvyJTmSbPLKUm5k@momjian.us> (raw)
In-Reply-To: <1408823.1660678462@sss.pgh.pa.us>
References: <AM9PR01MB8268BF5E74E119828251FD34FE409@AM9PR01MB8268.eurprd01.prod.exchangelabs.com>
<Yvvw1JB/Y12HvAYn@momjian.us>
<1408823.1660678462@sss.pgh.pa.us>
On Tue, Aug 16, 2022 at 03:34:22PM -0400, Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > I have written the attached patch to mention this issue about sql_body
> > functions.
>
> Spell-check, please. Seems OK otherwise.
Just when I think I didn't add enough text to warrant a spell check.
:-( Updated patch attached.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
Indecision is a decision. Inaction is an action. Mark Batterson
Attachments:
[text/x-diff] function.diff (912B, ../YvvyJTmSbPLKUm5k@momjian.us/2-function.diff)
download | inline diff:diff --git a/doc/src/sgml/ref/create_function.sgml b/doc/src/sgml/ref/create_function.sgmlindex 7e6d52c7dc..35869bf6ba 100644--- a/doc/src/sgml/ref/create_function.sgml+++ b/doc/src/sgml/ref/create_function.sgml@@ -779,7 +779,10 @@ SELECT * FROM dup(42);
<para>
Because a <literal>SECURITY DEFINER</literal> function is executed
with the privileges of the user that owns it, care is needed to
- ensure that the function cannot be misused. For security,+ ensure that the function cannot be misused. This is particularly+ important for non-<replaceable>sql_body</replaceable> functions because+ their function bodies are evaluated at run-time, not creation time.+ For security,
<xref linkend="guc-search-path"/> should be set to exclude any schemas
writable by untrusted users. This prevents
malicious users from creating objects (e.g., tables, functions, and
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To: pgsql-docs@postgresql.org
Cc: bruce@momjian.us, tgl@sss.pgh.pa.us, erki.eessaar@taltech.ee, pgsql-docs@lists.postgresql.org
Subject: Re: SQL-standard function bodies and creating SECURITY DEFINER routines securely
In-Reply-To: <YvvyJTmSbPLKUm5k@momjian.us>
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