From 59367fdf97cc1875b053ebf87cd1e071dc7f3640 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Thu, 22 Jan 2015 12:36:34 -0500 Subject: [PATCH] adjust ACL owners for REASSIGN and ALTER OWNER TO When REASSIGN and ALTER OWNER TO are used, both the object owner and ACL list should be changed from the old owner to the new owner. This patch fixes types, foreign data wrappers, and foreign servers to change their ACL list properly; they already changed owners properly. BACKWARD INCOMPATIBILITY? Report by Alexey Bashtanov --- src/backend/commands/foreigncmds.c | 56 ++++++++++- src/backend/commands/typecmds.c | 65 +++++++++++-- src/test/regress/expected/foreign_data.out | 104 ++++++++++----------- 3 files changed, 161 insertions(+), 64 deletions(-) diff --git a/src/backend/commands/foreigncmds.c b/src/backend/commands/foreigncmds.c index a3aeabb0ea..9f7adbf83b 100644 --- a/src/backend/commands/foreigncmds.c +++ b/src/backend/commands/foreigncmds.c @@ -225,6 +225,12 @@ static void AlterForeignDataWrapperOwner_internal(Relation rel, HeapTuple tup, Oid newOwnerId) { Form_pg_foreign_data_wrapper form; + Datum repl_val[Natts_pg_foreign_data_wrapper]; + bool repl_null[Natts_pg_foreign_data_wrapper]; + bool repl_repl[Natts_pg_foreign_data_wrapper]; + Acl *newAcl; + Datum aclDatum; + bool isNull; form = (Form_pg_foreign_data_wrapper) GETSTRUCT(tup); @@ -246,7 +252,27 @@ AlterForeignDataWrapperOwner_internal(Relation rel, HeapTuple tup, Oid newOwnerI if (form->fdwowner != newOwnerId) { - form->fdwowner = newOwnerId; + memset(repl_null, false, sizeof(repl_null)); + memset(repl_repl, false, sizeof(repl_repl)); + + repl_repl[Anum_pg_foreign_data_wrapper_fdwowner - 1] = true; + repl_val[Anum_pg_foreign_data_wrapper_fdwowner - 1] = ObjectIdGetDatum(newOwnerId); + + aclDatum = heap_getattr(tup, + Anum_pg_foreign_data_wrapper_fdwacl, + RelationGetDescr(rel), + &isNull); + /* Null ACLs do not require changes */ + if (!isNull) + { + newAcl = aclnewowner(DatumGetAclP(aclDatum), + form->fdwowner, newOwnerId); + repl_repl[Anum_pg_foreign_data_wrapper_fdwacl - 1] = true; + repl_val[Anum_pg_foreign_data_wrapper_fdwacl - 1] = PointerGetDatum(newAcl); + } + + tup = heap_modify_tuple(tup, RelationGetDescr(rel), repl_val, repl_null, + repl_repl); simple_heap_update(rel, &tup->t_self, tup); CatalogUpdateIndexes(rel, tup); @@ -327,6 +353,12 @@ static void AlterForeignServerOwner_internal(Relation rel, HeapTuple tup, Oid newOwnerId) { Form_pg_foreign_server form; + Datum repl_val[Natts_pg_foreign_server]; + bool repl_null[Natts_pg_foreign_server]; + bool repl_repl[Natts_pg_foreign_server]; + Acl *newAcl; + Datum aclDatum; + bool isNull; form = (Form_pg_foreign_server) GETSTRUCT(tup); @@ -358,7 +390,27 @@ AlterForeignServerOwner_internal(Relation rel, HeapTuple tup, Oid newOwnerId) } } - form->srvowner = newOwnerId; + memset(repl_null, false, sizeof(repl_null)); + memset(repl_repl, false, sizeof(repl_repl)); + + repl_repl[Anum_pg_foreign_server_srvowner - 1] = true; + repl_val[Anum_pg_foreign_server_srvowner - 1] = ObjectIdGetDatum(newOwnerId); + + aclDatum = heap_getattr(tup, + Anum_pg_foreign_server_srvacl, + RelationGetDescr(rel), + &isNull); + /* Null ACLs do not require changes */ + if (!isNull) + { + newAcl = aclnewowner(DatumGetAclP(aclDatum), + form->srvowner, newOwnerId); + repl_repl[Anum_pg_foreign_server_srvacl - 1] = true; + repl_val[Anum_pg_foreign_server_srvacl - 1] = PointerGetDatum(newAcl); + } + + tup = heap_modify_tuple(tup, RelationGetDescr(rel), repl_val, repl_null, + repl_repl); simple_heap_update(rel, &tup->t_self, tup); CatalogUpdateIndexes(rel, tup); diff --git a/src/backend/commands/typecmds.c b/src/backend/commands/typecmds.c index 322a3c7e3b..b77e1b4140 100644 --- a/src/backend/commands/typecmds.c +++ b/src/backend/commands/typecmds.c @@ -3376,12 +3376,34 @@ AlterTypeOwner(List *names, Oid newOwnerId, ObjectType objecttype) ATExecChangeOwner(typTup->typrelid, newOwnerId, true, AccessExclusiveLock); else { - /* - * We can just apply the modification directly. - * - * okay to scribble on typTup because it's a copy - */ - typTup->typowner = newOwnerId; + Datum repl_val[Natts_pg_type]; + bool repl_null[Natts_pg_type]; + bool repl_repl[Natts_pg_type]; + Acl *newAcl; + Datum aclDatum; + bool isNull; + + memset(repl_null, false, sizeof(repl_null)); + memset(repl_repl, false, sizeof(repl_repl)); + + repl_repl[Anum_pg_type_typowner - 1] = true; + repl_val[Anum_pg_type_typowner - 1] = ObjectIdGetDatum(newOwnerId); + + aclDatum = heap_getattr(tup, + Anum_pg_type_typacl, + RelationGetDescr(rel), + &isNull); + /* Null ACLs do not require changes */ + if (!isNull) + { + newAcl = aclnewowner(DatumGetAclP(aclDatum), + typTup->typowner, newOwnerId); + repl_repl[Anum_pg_type_typacl - 1] = true; + repl_val[Anum_pg_type_typacl - 1] = PointerGetDatum(newAcl); + } + + tup = heap_modify_tuple(tup, RelationGetDescr(rel), repl_val, repl_null, + repl_repl); simple_heap_update(rel, &tup->t_self, tup); @@ -3424,6 +3446,12 @@ AlterTypeOwnerInternal(Oid typeOid, Oid newOwnerId, Relation rel; HeapTuple tup; Form_pg_type typTup; + Datum repl_val[Natts_pg_type]; + bool repl_null[Natts_pg_type]; + bool repl_repl[Natts_pg_type]; + Acl *newAcl; + Datum aclDatum; + bool isNull; rel = heap_open(TypeRelationId, RowExclusiveLock); @@ -3432,10 +3460,27 @@ AlterTypeOwnerInternal(Oid typeOid, Oid newOwnerId, elog(ERROR, "cache lookup failed for type %u", typeOid); typTup = (Form_pg_type) GETSTRUCT(tup); - /* - * Modify the owner --- okay to scribble on typTup because it's a copy - */ - typTup->typowner = newOwnerId; + memset(repl_null, false, sizeof(repl_null)); + memset(repl_repl, false, sizeof(repl_repl)); + + repl_repl[Anum_pg_type_typowner - 1] = true; + repl_val[Anum_pg_type_typowner - 1] = ObjectIdGetDatum(newOwnerId); + + aclDatum = heap_getattr(tup, + Anum_pg_type_typacl, + RelationGetDescr(rel), + &isNull); + /* Null ACLs do not require changes */ + if (!isNull) + { + newAcl = aclnewowner(DatumGetAclP(aclDatum), + typTup->typowner, newOwnerId); + repl_repl[Anum_pg_type_typacl - 1] = true; + repl_val[Anum_pg_type_typacl - 1] = PointerGetDatum(newAcl); + } + + tup = heap_modify_tuple(tup, RelationGetDescr(rel), repl_val, repl_null, + repl_repl); simple_heap_update(rel, &tup->t_self, tup); diff --git a/src/test/regress/expected/foreign_data.out b/src/test/regress/expected/foreign_data.out index 9bca4402f6..4795c83c9b 100644 --- a/src/test/regress/expected/foreign_data.out +++ b/src/test/regress/expected/foreign_data.out @@ -422,40 +422,38 @@ ERROR: role "regress_test_indirect" cannot be dropped because some objects depe DETAIL: owner of server s1 privileges for foreign-data wrapper foo \des+ - List of foreign servers - Name | Owner | Foreign-data wrapper | Access privileges | Type | Version | FDW Options | Description -------+-----------------------+----------------------+-----------------------------------------+--------+---------+--------------------------------------+------------- - s1 | regress_test_indirect | foo | foreign_data_user=U/foreign_data_user +| | 1.1 | (servername 's1') | - | | | regress_test_role=U/foreign_data_user | | | | - s2 | foreign_data_user | foo | | | 1.1 | (host 'a', dbname 'b') | - s3 | foreign_data_user | foo | | oracle | | ("tns name" 'orcl', port '1521') | - s4 | foreign_data_user | foo | | oracle | | (host 'a', dbname 'b') | - s5 | foreign_data_user | foo | | | 15.0 | | - s6 | foreign_data_user | foo | foreign_data_user=U/foreign_data_user +| | 16.0 | (host 'a', dbname 'b') | - | | | regress_test_role2=U*/foreign_data_user | | | | - s7 | foreign_data_user | foo | | oracle | 17.0 | (host 'a', dbname 'b') | - s8 | foreign_data_user | postgresql | | | | (dbname 'db1', connect_timeout '30') | - t1 | regress_test_role | foo | | | | | - t2 | regress_test_role | foo | | | | | + List of foreign servers + Name | Owner | Foreign-data wrapper | Access privileges | Type | Version | FDW Options | Description +------+-----------------------+----------------------+-----------------------------------------------+--------+---------+--------------------------------------+------------- + s1 | regress_test_indirect | foo | regress_test_indirect=U/regress_test_indirect | | 1.1 | (servername 's1') | + s2 | foreign_data_user | foo | | | 1.1 | (host 'a', dbname 'b') | + s3 | foreign_data_user | foo | | oracle | | ("tns name" 'orcl', port '1521') | + s4 | foreign_data_user | foo | | oracle | | (host 'a', dbname 'b') | + s5 | foreign_data_user | foo | | | 15.0 | | + s6 | foreign_data_user | foo | foreign_data_user=U/foreign_data_user +| | 16.0 | (host 'a', dbname 'b') | + | | | regress_test_role2=U*/foreign_data_user | | | | + s7 | foreign_data_user | foo | | oracle | 17.0 | (host 'a', dbname 'b') | + s8 | foreign_data_user | postgresql | | | | (dbname 'db1', connect_timeout '30') | + t1 | regress_test_role | foo | | | | | + t2 | regress_test_role | foo | | | | | (10 rows) ALTER SERVER s8 RENAME to s8new; \des+ - List of foreign servers - Name | Owner | Foreign-data wrapper | Access privileges | Type | Version | FDW Options | Description --------+-----------------------+----------------------+-----------------------------------------+--------+---------+--------------------------------------+------------- - s1 | regress_test_indirect | foo | foreign_data_user=U/foreign_data_user +| | 1.1 | (servername 's1') | - | | | regress_test_role=U/foreign_data_user | | | | - s2 | foreign_data_user | foo | | | 1.1 | (host 'a', dbname 'b') | - s3 | foreign_data_user | foo | | oracle | | ("tns name" 'orcl', port '1521') | - s4 | foreign_data_user | foo | | oracle | | (host 'a', dbname 'b') | - s5 | foreign_data_user | foo | | | 15.0 | | - s6 | foreign_data_user | foo | foreign_data_user=U/foreign_data_user +| | 16.0 | (host 'a', dbname 'b') | - | | | regress_test_role2=U*/foreign_data_user | | | | - s7 | foreign_data_user | foo | | oracle | 17.0 | (host 'a', dbname 'b') | - s8new | foreign_data_user | postgresql | | | | (dbname 'db1', connect_timeout '30') | - t1 | regress_test_role | foo | | | | | - t2 | regress_test_role | foo | | | | | + List of foreign servers + Name | Owner | Foreign-data wrapper | Access privileges | Type | Version | FDW Options | Description +-------+-----------------------+----------------------+-----------------------------------------------+--------+---------+--------------------------------------+------------- + s1 | regress_test_indirect | foo | regress_test_indirect=U/regress_test_indirect | | 1.1 | (servername 's1') | + s2 | foreign_data_user | foo | | | 1.1 | (host 'a', dbname 'b') | + s3 | foreign_data_user | foo | | oracle | | ("tns name" 'orcl', port '1521') | + s4 | foreign_data_user | foo | | oracle | | (host 'a', dbname 'b') | + s5 | foreign_data_user | foo | | | 15.0 | | + s6 | foreign_data_user | foo | foreign_data_user=U/foreign_data_user +| | 16.0 | (host 'a', dbname 'b') | + | | | regress_test_role2=U*/foreign_data_user | | | | + s7 | foreign_data_user | foo | | oracle | 17.0 | (host 'a', dbname 'b') | + s8new | foreign_data_user | postgresql | | | | (dbname 'db1', connect_timeout '30') | + t1 | regress_test_role | foo | | | | | + t2 | regress_test_role | foo | | | | | (10 rows) ALTER SERVER s8new RENAME to s8; @@ -937,21 +935,21 @@ SELECT * FROM information_schema.user_mapping_options ORDER BY lower(authorizati (7 rows) SELECT * FROM information_schema.usage_privileges WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5; - grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable --------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- - foreign_data_user | foreign_data_user | regression | | foo | FOREIGN DATA WRAPPER | USAGE | YES - foreign_data_user | foreign_data_user | regression | | s6 | FOREIGN SERVER | USAGE | YES - foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO - foreign_data_user | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES + grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable +-----------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- + foreign_data_user | foreign_data_user | regression | | foo | FOREIGN DATA WRAPPER | USAGE | YES + foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO + regress_test_indirect | regress_test_indirect | regression | | s6 | FOREIGN SERVER | USAGE | YES + regress_test_indirect | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES (4 rows) SELECT * FROM information_schema.role_usage_grants WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5; - grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable --------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- - foreign_data_user | foreign_data_user | regression | | foo | FOREIGN DATA WRAPPER | USAGE | YES - foreign_data_user | foreign_data_user | regression | | s6 | FOREIGN SERVER | USAGE | YES - foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO - foreign_data_user | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES + grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable +-----------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- + foreign_data_user | foreign_data_user | regression | | foo | FOREIGN DATA WRAPPER | USAGE | YES + foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO + regress_test_indirect | regress_test_indirect | regression | | s6 | FOREIGN SERVER | USAGE | YES + regress_test_indirect | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES (4 rows) SELECT * FROM information_schema.foreign_tables ORDER BY 1, 2, 3; @@ -980,18 +978,20 @@ SELECT * FROM information_schema.user_mapping_options ORDER BY 1, 2, 3, 4; (5 rows) SELECT * FROM information_schema.usage_privileges WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5; - grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable --------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- - foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO - foreign_data_user | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES -(2 rows) + grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable +-----------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- + foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO + regress_test_indirect | regress_test_indirect | regression | | s6 | FOREIGN SERVER | USAGE | YES + regress_test_indirect | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES +(3 rows) SELECT * FROM information_schema.role_usage_grants WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5; - grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable --------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- - foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO - foreign_data_user | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES -(2 rows) + grantor | grantee | object_catalog | object_schema | object_name | object_type | privilege_type | is_grantable +-----------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+-------------- + foreign_data_user | regress_test_indirect | regression | | foo | FOREIGN DATA WRAPPER | USAGE | NO + regress_test_indirect | regress_test_indirect | regression | | s6 | FOREIGN SERVER | USAGE | YES + regress_test_indirect | regress_test_role2 | regression | | s6 | FOREIGN SERVER | USAGE | YES +(3 rows) DROP USER MAPPING FOR current_user SERVER t1; SET ROLE regress_test_role2;