Re: Re: Creating a role with read only privileges but user is allowed to change password
От | Gavin Flower |
---|---|
Тема | Re: Re: Creating a role with read only privileges but user is allowed to change password |
Дата | |
Msg-id | 536FF212.6060502@archidevsys.co.nz обсуждение исходный текст |
Ответ на | Re: Creating a role with read only privileges but user is allowed to change password (David G Johnston <david.g.johnston@gmail.com>) |
Список | pgsql-general |
On 12/05/14 08:33, David G Johnston wrote:
I was thinking of using privileges to control access, for user 'fred': Isuggest that you move the password to a separate table (my_role_password) with 2 columns:This way you can make the my_role table totally unalterable by the user, yet they can change their own password.
- my_role_id
- password.
Actually, you should NOT be storing passwords in plain text, they should be stored as a secure hash (better than MD5).I have no clue what you are trying to get at here...the core problem is with database defined roles - which are maintained in the system catalog - and the fact that marking a session read-only disallows updates to the system catalog...I do not see how adding a user table with role and password overcomes that problem since the user table would be read-only too - so how would they still be able to change their password if the cannot alter the table (data alter, not structure).David J.
REVOKE ALL ON my_role FROM fred;
GRANT SELECT ON my_role TO fred;
That's the guts of it, you will obviously need to check other tables and their appropriate privileges.
Note that both commands have the option 'ALL TABLES IN SCHEMA schema_name'.
Cheers,
Gavin
P.S. You forgot to include my name (and date/time) from the bit you quoted from me!
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