database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-08-31 17:02:12 +03:00
Code Activity

Allow granting SET and ALTER SYSTEM privileges on GUC parameters.

Browse Source 
This patch allows "PGC_SUSET" parameters to be set by non-superusers
if they have been explicitly granted the privilege to do so.
The privilege to perform ALTER SYSTEM SET/RESET on a specific parameter
can also be granted.
Such privileges are cluster-wide, not per database.  They are tracked
in a new shared catalog, pg_parameter_acl.

Granting and revoking these new privileges works as one would expect.
One caveat is that PGC_USERSET GUCs are unaffected by the SET privilege
--- one could wish that those were handled by a revocable grant to
PUBLIC, but they are not, because we couldn't make it robust enough
for GUCs defined by extensions.

Mark Dilger, reviewed at various times by Andrew Dunstan, Robert Haas,
Joshua Brindle, and myself

Discussion: https://postgr.es/m/3D691E20-C1D5-4B80-8BA5-6BEB63AF3029@enterprisedb.com
This commit is contained in:
Tom Lane
2022-04-06 13:24:33 -04:00
parent 2ef6f11b0c
commit a0ffa885e4
44 changed files with 2465 additions and 194 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
doc/src/sgml/ref/grant.sgml
View File

@@ -77,6 +77,11 @@ GRANT { { SELECT | UPDATE } [, ...] | ALL [ PRIVILEGES ] }
TO <replaceable class="parameter">role_specification</replaceable> [, ...] [ WITH GRANT OPTION ]
[ GRANTED BY <replaceable class="parameter">role_specification</replaceable> ]
GRANT { { SET | ALTER SYSTEM } [, ... ] | ALL [ PRIVILEGES ] }
ON PARAMETER <replaceable class="parameter">configuration_parameter</replaceable> [, ...]
TO <replaceable class="parameter">role_specification</replaceable> [, ...] [ WITH GRANT OPTION ]
[ GRANTED BY <replaceable class="parameter">role_specification</replaceable> ]
GRANT { { CREATE | USAGE } [, ...] | ALL [ PRIVILEGES ] }
ON SCHEMA <replaceable>schema_name</replaceable> [, ...]
TO <replaceable class="parameter">role_specification</replaceable> [, ...] [ WITH GRANT OPTION ]
@@ -111,9 +116,10 @@ GRANT <replaceable class="parameter">role_name</replaceable> [, ...] TO <replace
<para>
The <command>GRANT</command> command has two basic variants: one
that grants privileges on a database object (table, column, view, foreign
table, sequence, database, foreign-data wrapper, foreign server, function, procedure,
procedural language, schema, or tablespace), and one that grants
that grants privileges on a database object (table, column, view,
foreign table, sequence, database, foreign-data wrapper, foreign server,
function, procedure, procedural language, large object, configuration
parameter, schema, tablespace, or type), and one that grants
membership in a role. These variants are similar in many ways, but
they are different enough to be described separately.
</para>
@@ -185,6 +191,8 @@ GRANT <replaceable class="parameter">role_name</replaceable> [, ...] TO <replace
<term><literal>TEMPORARY</literal></term>
<term><literal>EXECUTE</literal></term>
<term><literal>USAGE</literal></term>
<term><literal>SET</literal></term>
<term><literal>ALTER SYSTEM</literal></term>
<listitem>
<para>
Specific types of privileges, as defined in <xref linkend="ddl-priv"/>.
@@ -452,7 +460,8 @@ GRANT admins TO joe;
</para>
<para>
Privileges on databases, tablespaces, schemas, and languages are
Privileges on databases, tablespaces, schemas, languages, and
configuration parameters are
<productname>PostgreSQL</productname> extensions.
</para>
</refsect1>