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Refactor ownercheck functions

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Instead of dozens of mostly-duplicate pg_foo_ownercheck() functions,
write one common function object_ownercheck() that can handle almost
all of them.  We already have all the information we need, such as
which system catalog corresponds to which catalog table and which
column is the owner column.

Reviewed-by: Corey Huinker <corey.huinker@gmail.com>
Reviewed-by: Antonin Houska <ah@cybertec.at>
Discussion: https://www.postgresql.org/message-id/flat/95c30f96-4060-2f48-98b5-a4392d3b6066@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-11-13 08:11:17 +01:00
parent b4b7ce8061
commit afbfc02983
37 changed files with 194 additions and 817 deletions
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6
src/backend/rewrite/rewriteDefine.c
View File

@ -279,7 +279,7 @@ DefineQueryRewrite(const char *rulename,
/*
* Check user has permission to apply rules to this relation.
*/
if (!pg_class_ownercheck(event_relid, GetUserId()))
if (!object_ownercheck(RelationRelationId, event_relid, GetUserId()))
aclcheck_error(ACLCHECK_NOT_OWNER, get_relkind_objtype(event_relation->rd_rel->relkind),
RelationGetRelationName(event_relation));
@ -894,7 +894,7 @@ EnableDisableRule(Relation rel, const char *rulename,
*/
eventRelationOid = ruleform->ev_class;
Assert(eventRelationOid == owningRel);
if (!pg_class_ownercheck(eventRelationOid, GetUserId()))
if (!object_ownercheck(RelationRelationId, eventRelationOid, GetUserId()))
aclcheck_error(ACLCHECK_NOT_OWNER, get_relkind_objtype(get_rel_relkind(eventRelationOid)),
get_rel_name(eventRelationOid));
@ -956,7 +956,7 @@ RangeVarCallbackForRenameRule(const RangeVar *rv, Oid relid, Oid oldrelid,
rv->relname)));
/* you must own the table to rename one of its rules */
if (!pg_class_ownercheck(relid, GetUserId()))
if (!object_ownercheck(RelationRelationId, relid, GetUserId()))
aclcheck_error(ACLCHECK_NOT_OWNER, get_relkind_objtype(get_rel_relkind(relid)), rv->relname);
ReleaseSysCache(tuple);