From: | Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp> |
---|---|
To: | Thom Brown <thom(at)linux(dot)com> |
Cc: | Kohei Kaigai <Kohei(dot)Kaigai(at)emea(dot)nec(dot)com>, Noah Misch <noah(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [v9.2] Fix Leaky View Problem |
Date: | 2011-09-07 13:34:24 |
Message-ID: | CADyhKSXWM86V7v17zeTVhZ+Sfu+pDjeNA78D5UwYrVZrY=uC1A@mail.gmail.com |
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2011/9/7 Thom Brown <thom(at)linux(dot)com>:
> On 24 August 2011 13:38, Kohei Kaigai <Kohei(dot)Kaigai(at)emea(dot)nec(dot)com> wrote:
>>
>> The (2) is new stuff from the revision in commit-fest 1st. It enables to
>> supply "NOLEAKY" option on CREATE FUNCTION statement, then the function is
>> allowed to distribute across security barrier. Only superuser can set this
>> option.
>
> "NOLEAKY" doesn't really sound appropriate as it sounds like pidgin English.
> Also, it could be read as "Don't allow leaks in this function". Could we
> instead use something like TRUSTED or something akin to it being allowed to
> do more than safer functions? It then describes its level of behaviour
> rather than what it promises not to do.
>
Thanks for your comment. I'm not a native English specker, so it is helpful.
"TRUSTED" sounds meaningful for me, however, it is confusable with a concept
of "trusted procedure" in label-based MAC. It is not only SELinux,
Oracle's label
based security also uses this term to mean a procedure that switches user's
credential during its execution.
http://download.oracle.com/docs/cd/B28359_01/network.111/b28529/storproc.htm
So, how about "CREDIBLE", instead of "TRUSTED"?
Thanks,
--
KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>
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