Re: Special role for subscriptions

From: Evgeniy Efimkin <efimkin(at)yandex-team(dot)ru>
To: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Jeff Davis <pgsql(at)j-davis(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Дмитрий Сарафанников <dsarafan(at)yandex-team(dot)ru>, Владимир Бородин <root(at)simply(dot)name>
Subject: Re: Special role for subscriptions
Date: 2019-03-20 09:39:47
Message-ID: 144481553074787@vla1-9d3c37294942.qloud-c.yandex.net
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Hi!
> Currently, user with pg_subscription_users can create subscription into any system table, can't they?
> We certainly need to change it to more secure way.
No, you can't add system tables to publication. In new patch i add privileges checks on target table, non superuser can't create/refresh subscription if he don't have INSERT, UPDATE, DELETE and TRUNCATE privileges.

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Efimkin Evgeny

Attachment Content-Type Size
pg_subscription_role_v2.patch text/x-diff 13.1 KB

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