Re: grant question

Tena Sakai schrieb:
> Hi,
>
> Nah, I don't think that theory holds water...
>
> [tsakai(at)vixen ~]$ psql canon gjoslyn
> Password for user gjoslyn:
> Welcome to psql 8.3.6, the PostgreSQL interactive terminal.
>
> canon=>
> canon=> \z gallo.gallo.unlinkcol1
> Access privileges for database "canon"
> Schema | Name | Type | Access
> privileges
>
> --------+------------+-------+----------------------------------------------------------
> gallo | unlinkcol1 | table |
> {gbrush=arwdxt/gbrush,gjoslyn=r/gbrush,galloan=r/gbrush}
> (1 row)
>
> -- as far as the table is concerned, it is readable
> -- let me reproduce the error
> canon=> select * from gallo.unlinkcol1 limit 4;
> ERROR: permission denied for schema gallo
>
> I just feel that this is similar to a common unix file access
> problem in that the file itself is readable, but one or more
> directories in the path is not giving search permission. If
> I read the error with such in mind, it makes more sense.
>
> \z command wouldn't let me look at the permission of the schema:
>
> canon=# \z gallo
> Access privileges for database "canon"
> Schema | Name | Type | Access privileges
> --------+------+------+-------------------
> (0 rows)
>
> What can I do?
Hi,

sure that does not work because the user gjoslyn from the group galloan
is not allowed to use the schema gallo ...

GRANT USAGE ON SCHEMA gallo to galloan;

will help ...

Cheers

Andy

>
> Tena Sakai
> tsakai(at)gallo(dot)ucsf(dot)edu
>
>
>
> -----Original Message-----
> From: Tena Sakai
> Sent: Sat 2/28/2009 3:04 PM
> To: Tena Sakai; Andreas Wenk
> Cc: pgsql-admin(at)postgresql(dot)org
> Subject: RE: [ADMIN] grant question
>
> Hi,
>
> Maybe I found the underlying problem...
> too psql, I typed:
>
> canon=# \dn gallo
>
> and it told me:
>
> List of schemas
> Name | Owner
> -------+-------
> gallo | ysu
> (1 row)
>
> Maybe the supersuer postgres is unable to grant select
> on that table... But it told me it did.
>
> >> canon=# grant select on gallo.unlinkcol1 to galloan;
> >> GRANT
>
> It doesn't make sense... I am confused.
>
> Tena Sakai
> Tsakai(at)gallo(dot)ucsf(dot)edu
>
>
>
> -----Original Message-----
> From: pgsql-admin-owner(at)postgresql(dot)org on behalf of Tena Sakai
> Sent: Sat 2/28/2009 2:55 PM
> To: Andreas Wenk
> Cc: pgsql-admin(at)postgresql(dot)org
> Subject: Re: [ADMIN] grant question
>
> Hi Andy,
>
> Thank you for your walk through.
> Here's what I did, emulating your guidance and spirit:
>
> -- about to create a new role
> canon=# create role galloan;
> CREATE ROLE
> canon=#
> canon=# \dg galloan
> List of roles
> Role name | Superuser | Create role | Create DB | Connections | Member of
> -----------+-----------+-------------+-----------+-------------+-----------
> galloan | no | no | no | no limit | {}
> (1 row)
>
> -- grant a particular select on this role
> canon=# grant select on gallo.unlinkcol1 to galloan;
> GRANT
>
> -- put a user/role into galloan group/role
> canon=# grant galloan to gjoslyn;
> GRANT ROLE
> canon=#
> canon=# \dg gjoslyn
> List of roles
> Role name | Superuser | Create role | Create DB | Connections |
> Member of
> -----------+-----------+-------------+-----------+-------------+------------------
> gjoslyn | no | no | no | no limit |
> {wetlab,galloan}
> (1 row)
>
> --now test it as user gjoslyn
>
> [tsakai(at)vixen ~]$ psql canon gjoslyn
> Password for user gjoslyn:
> Welcome to psql 8.3.6, the PostgreSQL interactive terminal.
>
> Type: \copyright for distribution terms
> \h for help with SQL commands
> \? for help with psql commands
> \g or terminate with semicolon to execute query
> \q to quit
>
> canon=>
> canon=> select * from gallo.unlinkcol1 limit 5;
> ERROR: permission denied for schema gallo
> canon=>
> -- it is having a problem with this schema called gallo
> -- as you can see below, there is no problem with schema public
>
> canon=> select * from allele limit 5;
> alleleid | markerid | value | datecreated | datereplaced
> ----------+----------+-------+-------------------------+---------------------
> 3775273 | 1890310 | 138 | 2007-10-30 20:13:48.104 | 3000-01-01 12:00:00
> 3775276 | 1890310 | 136 | 2007-10-30 20:13:48.35 | 3000-01-01 12:00:00
> 3775278 | 1890310 | 122 | 2007-10-30 20:13:48.731 | 3000-01-01 12:00:00
> 3775280 | 1890310 | 142 | 2007-10-30 20:13:49.358 | 3000-01-01 12:00:00
> 3775282 | 1890310 | 124 | 2007-10-30 20:13:49.86 | 3000-01-01 12:00:00
> (5 rows)
>
> So, I don't know how to cure this problem.
> Any hints, poiters are appreciated.
>
> Regards,
>
> Tena Sakai
> tsakai(at)gallo(dot)ucsf(dot)edu
>
>
>
> -----Original Message-----
> From: Andreas Wenk [mailto:a(dot)wenk(at)netzmeister-st-pauli(dot)de]
> Sent: Sat 2/28/2009 1:01 PM
> To: Tena Sakai
> Cc: pgsql-admin(at)postgresql(dot)org
> Subject: Re: [ADMIN] grant question
>
>
> Tena Sakai schrieb:
> > Thank you, Scott, for your reply.
> >
> > > Two problems. 1: you don't grant select on schemas, you grant it on
> > > tables. 2: case folding. If you're gonna use a name "schema_Z" then
> > > you have to quote it, because it's mixed case, not all lower.
> >
> > > You need to grant it for each table.
> >
> > In actual command issued, there is no case mixing. I wanted
> > to emphasize the argument was a schema name, not a table name.
> > But this means as new tables get created in the schema, a set
> > of new commands must be issued?
> >
> > > Note that instead of granting it to a user, you should grant it
> > > to a role, then give membership to that role to the user.
> >
> > That sounds like a good idea. Would you mind showing an exmple?
>
> Hi Tena,
>
> -- your user role
> roletest=# CREATE ROLE tena LOGIN;
> CREATE ROLE
> -- a group role
> roletest=# CREATE ROLE musicians;
> CREATE ROLE
> -- put tena 'in' the group role
> roletest=# GRANT musicians to tena;
> GRANT ROLE
>
> -- connect to roletest a user tena
> roletest=# \c roletest tena
> You are now connected to database "roletest" as user "tena".
> roletest=> select * from test;
> ERROR: permission denied for relation test
> STATEMENT: select * from test;
> ERROR: permission denied for relation test
>
> -- grant SELECT right as superuser in roletest
> roletest=> \c roletest postgres
> You are now connected to database "roletest" as user "postgres".
> roletest=# GRANT SELECT on test to musicians;
> GRANT
> roletest=# \c roletest tena
> You are now connected to database "roletest" as user "tena".
> roletest=> SELECT * FROM test;
> id | value
> ----+-------
> (0 rows)
>
> Cheers
>
> Andy
>
> --
> St.Pauli - Hamburg - Germany
>
> Andreas Wenk
>
>
> > Regards,
> >
> > Tena Sakai
> > tsakai(at)gallo(dot)ucsf(dot)edu
> >
> >
> > -----Original Message-----
> > From: Scott Marlowe [mailto:scott(dot)marlowe(at)gmail(dot)com]
> > Sent: Sat 2/28/2009 12:04 PM
> > To: Tena Sakai
> > Cc: pgsql-admin(at)postgresql(dot)org
> > Subject: Re: [ADMIN] grant question
> >
> > On Sat, Feb 28, 2009 at 12:56 PM, Tena Sakai <tsakai(at)gallo(dot)ucsf(dot)edu>
> wrote:
> > > Hi Everybody,
> > >
> > > I want to issue a command:
> > >
> > > grant select on schema_Z to user_a;
> > >
> > > so that the user_a can look at all tables in schema_Z.
> > > Sadly, what I get is:
> > > ERROR: relation "schema_Z" does not exist
> >
> > Two problems. 1: you don't grant select on schemas, you grant it on
> > tables. 2: case folding. If you're gonna use a name "schema_Z" then
> > you have to quote it, because it's mixed case, not all lower.
> >
> > > I tried:
> > >
> > > grant select on schema_Z.* to user_a;
> >
> > Sorry no wildcarding on grant (At least not yet). You need to grant
> > it for each table. Note that instead of granting it to a user, you
> > should grant it to a role, then give membership to that role to the
> > user.
> >
>
>
>
>
>
>