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Get rid of the separate RULE privilege for tables: now only a table's owner

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can create or modify rules for the table.  Do setRuleCheckAsUser() while
loading rules into the relcache, rather than when defining a rule.  This
ensures that permission checks for tables referenced in a rule are done with
respect to the current owner of the rule's table, whereas formerly ALTER TABLE
OWNER would fail to update the permission checking for associated rules.
Removal of separate RULE privilege is needed to prevent various scenarios
in which a grantee of RULE privilege could effectively have any privilege
of the table owner.  For backwards compatibility, GRANT/REVOKE RULE is still
accepted, but it doesn't do anything.  Per discussion here:
http://archives.postgresql.org/pgsql-hackers/2006-04/msg01138.php
This commit is contained in:
Tom Lane
2006-09-05 21:08:36 +00:00
parent d5eb52a511
commit 7bae5a289c
21 changed files with 113 additions and 155 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/backend/catalog/aclchk.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/catalog/aclchk.c,v 1.130 2006/07/14 14:52:17 momjian Exp $
* $PostgreSQL: pgsql/src/backend/catalog/aclchk.c,v 1.131 2006/09/05 21:08:35 tgl Exp $
*
* NOTES
* See acl.h.
@@ -1328,8 +1328,6 @@ string_to_privilege(const char *privname)
return ACL_UPDATE;
if (strcmp(privname, "delete") == 0)
return ACL_DELETE;
if (strcmp(privname, "rule") == 0)
return ACL_RULE;
if (strcmp(privname, "references") == 0)
return ACL_REFERENCES;
if (strcmp(privname, "trigger") == 0)
@@ -1346,6 +1344,8 @@ string_to_privilege(const char *privname)
return ACL_CREATE_TEMP;
if (strcmp(privname, "connect") == 0)
return ACL_CONNECT;
if (strcmp(privname, "rule") == 0)
return 0; /* ignore old RULE privileges */
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("unrecognized privilege type \"%s\"", privname)));
@@ -1365,8 +1365,6 @@ privilege_to_string(AclMode privilege)
return "UPDATE";
case ACL_DELETE:
return "DELETE";
case ACL_RULE:
return "RULE";
case ACL_REFERENCES:
return "REFERENCES";
case ACL_TRIGGER:

9
src/backend/catalog/information_schema.sql
View File

@@ -4,7 +4,7 @@
*
* Copyright (c) 2003-2006, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.35 2006/09/04 23:13:01 tgl Exp $
* $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.36 2006/09/05 21:08:35 tgl Exp $
*/
/*
@@ -1194,7 +1194,6 @@ CREATE VIEW role_table_grants AS
SELECT 'INSERT' UNION ALL
SELECT 'UPDATE' UNION ALL
SELECT 'REFERENCES' UNION ALL
SELECT 'RULE' UNION ALL
SELECT 'TRIGGER') AS pr (type)
WHERE c.relnamespace = nc.oid
@@ -1705,7 +1704,6 @@ CREATE VIEW table_constraints AS
OR has_table_privilege(r.oid, 'INSERT')
OR has_table_privilege(r.oid, 'UPDATE')
OR has_table_privilege(r.oid, 'DELETE')
OR has_table_privilege(r.oid, 'RULE')
OR has_table_privilege(r.oid, 'REFERENCES')
OR has_table_privilege(r.oid, 'TRIGGER') )
@@ -1739,7 +1737,6 @@ CREATE VIEW table_constraints AS
OR has_table_privilege(r.oid, 'INSERT')
OR has_table_privilege(r.oid, 'UPDATE')
OR has_table_privilege(r.oid, 'DELETE')
OR has_table_privilege(r.oid, 'RULE')
OR has_table_privilege(r.oid, 'REFERENCES')
OR has_table_privilege(r.oid, 'TRIGGER') );
@@ -1785,7 +1782,6 @@ CREATE VIEW table_privileges AS
SELECT 'INSERT' UNION ALL
SELECT 'UPDATE' UNION ALL
SELECT 'REFERENCES' UNION ALL
SELECT 'RULE' UNION ALL
SELECT 'TRIGGER') AS pr (type)
WHERE c.relnamespace = nc.oid
@@ -1841,7 +1837,6 @@ CREATE VIEW tables AS
OR has_table_privilege(c.oid, 'INSERT')
OR has_table_privilege(c.oid, 'UPDATE')
OR has_table_privilege(c.oid, 'DELETE')
OR has_table_privilege(c.oid, 'RULE')
OR has_table_privilege(c.oid, 'REFERENCES')
OR has_table_privilege(c.oid, 'TRIGGER') );
@@ -1963,7 +1958,6 @@ CREATE VIEW triggers AS
OR has_table_privilege(c.oid, 'INSERT')
OR has_table_privilege(c.oid, 'UPDATE')
OR has_table_privilege(c.oid, 'DELETE')
OR has_table_privilege(c.oid, 'RULE')
OR has_table_privilege(c.oid, 'REFERENCES')
OR has_table_privilege(c.oid, 'TRIGGER') );
@@ -2162,7 +2156,6 @@ CREATE VIEW views AS
OR has_table_privilege(c.oid, 'INSERT')
OR has_table_privilege(c.oid, 'UPDATE')
OR has_table_privilege(c.oid, 'DELETE')
OR has_table_privilege(c.oid, 'RULE')
OR has_table_privilege(c.oid, 'REFERENCES')
OR has_table_privilege(c.oid, 'TRIGGER') );