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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
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4
src/include/nodes/parsenodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.329 2006/09/03 03:19:45 momjian Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.330 2006/09/05 21:08:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -50,7 +50,7 @@ typedef uint32 AclMode; /* a bitmask of privilege bits */
#define ACL_SELECT (1<<1)
#define ACL_UPDATE (1<<2)
#define ACL_DELETE (1<<3)
#define ACL_RULE (1<<4)
/* #define ACL_RULE (1<<4) unused, available */
#define ACL_REFERENCES (1<<5)
#define ACL_TRIGGER (1<<6)
#define ACL_EXECUTE (1<<7) /* for functions */