| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Stephen Frost <sfrost(at)snowman(dot)net>, Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Jacob Champion <pchampion(at)vmware(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "chap(at)anastigmatix(dot)net" <chap(at)anastigmatix(dot)net>, torikoshia <torikoshia(at)oss(dot)nttdata(dot)com> |
| Subject: | Re: Delegating superuser tasks to new security roles (Was: Granting control of SUSET gucs to non-superusers) |
| Date: | 2021-07-26 20:46:13 |
| Message-ID: | 202107262046.xz4urxb77nzs@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2021-Jul-26, Tom Lane wrote:
> What if we allow event triggers owned by non-superusers, but only fire
> them on commands performed by the trigger's owner? This sidesteps all
> the issues of who has which privileges and whether Alice is malicious
> towards Bob or vice versa, because there is no change of privilege
> domain. Admittedly, it fails to cover some use-cases, but I think it
> would still handle a lot of interesting cases. The impression I have
> is that a lot of applications do everything under just one or a few
> roles.
This is similar but not quite an idea I had: have event triggers owned
by non-superusers run for all non-superusers, but not for superusers.
It is still the case that all non-superusers have to trust everyone with
the event-trigger-create permission, but that's probably the database
owner so most of the time you have to trust them already.
--
Álvaro Herrera Valdivia, Chile — https://www.EnterpriseDB.com/
"Saca el libro que tu religión considere como el indicado para encontrar la
oración que traiga paz a tu alma. Luego rebootea el computador
y ve si funciona" (Carlos Duclós)
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