pfree(tcontext);
}
+/*
+ * sepgsql_database_drop
+ *
+ * It checks privileges to drop the supplied database
+ */
+void
+sepgsql_database_drop(Oid databaseId)
+{
+ ObjectAddress object;
+ char *audit_name;
+
+ /*
+ * check db_database:{drop} permission
+ */
+ object.classId = DatabaseRelationId;
+ object.objectId = databaseId;
+ object.objectSubId = 0;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ SEPG_CLASS_DB_DATABASE,
+ SEPG_DB_DATABASE__DROP,
+ audit_name,
+ true);
+ pfree(audit_name);
+}
+
/*
* sepgsql_database_relabel
*
+++ /dev/null
---
--- Regression Test for Creation of Object Permission Checks
---
--- confirm required permissions using audit messages
-SELECT sepgsql_getcon(); -- confirm client privilege
- sepgsql_getcon
--------------------------------------------
- unconfined_u:unconfined_r:unconfined_t:s0
-(1 row)
-
-SET sepgsql.debug_audit = true;
-SET client_min_messages = LOG;
-CREATE DATABASE regtest_sepgsql_test_database;
-LOG: SELinux: allowed { getattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=system_u:object_r:sepgsql_db_t:s0 tclass=db_database name="database template1"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_db_t:s0 tclass=db_database name="database regtest_sepgsql_test_database"
-CREATE SCHEMA regtest_schema;
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-SET search_path = regtest_schema, public;
-CREATE TABLE regtest_table (x serial primary key, y text);
-NOTICE: CREATE TABLE will create implicit sequence "regtest_table_x_seq" for serial column "regtest_table.x"
-LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_table_x_seq"
-LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column tableoid"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column cmax"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column xmax"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column cmin"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column xmin"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column ctid"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column x"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column y"
-NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "regtest_table_pkey" for table "regtest_table"
-ALTER TABLE regtest_table ADD COLUMN z int;
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column z"
-CREATE TABLE regtest_table_2 (a int) WITH OIDS;
-LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_2"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column tableoid"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column cmax"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column xmax"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column cmin"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column xmin"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column oid"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column ctid"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column a"
--- corresponding toast table should not have label and permission checks
-ALTER TABLE regtest_table_2 ADD COLUMN b text;
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column b"
--- VACUUM FULL internally create a new table and swap them later.
-VACUUM FULL regtest_table;
-CREATE VIEW regtest_view AS SELECT * FROM regtest_table WHERE x < 100;
-LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_view_t:s0 tclass=db_view name="view regtest_view"
-CREATE SEQUENCE regtest_seq;
-LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_seq"
-CREATE TYPE regtest_comptype AS (a int, b text);
-CREATE FUNCTION regtest_func(text,int[]) RETURNS bool LANGUAGE plpgsql
- AS 'BEGIN RAISE NOTICE ''regtest_func => %'', $1; RETURN true; END';
-LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_func(text,integer[])"
-CREATE AGGREGATE regtest_agg (
- sfunc1 = int4pl, basetype = int4, stype1 = int4, initcond1 = '0'
-);
-LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
-LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_agg(integer)"
---
--- clean-up
---
-DROP DATABASE IF EXISTS regtest_sepgsql_test_database;
-DROP SCHEMA IF EXISTS regtest_schema CASCADE;
-NOTICE: drop cascades to 7 other objects
-DETAIL: drop cascades to table regtest_table
-drop cascades to table regtest_table_2
-drop cascades to view regtest_view
-drop cascades to sequence regtest_seq
-drop cascades to type regtest_comptype
-drop cascades to function regtest_func(text,integer[])
-drop cascades to function regtest_agg(integer)
--- /dev/null
+--
+-- Regression Test for DDL of Object Permission Checks
+--
+-- confirm required permissions using audit messages
+SELECT sepgsql_getcon(); -- confirm client privilege
+ sepgsql_getcon
+-------------------------------------------
+ unconfined_u:unconfined_r:unconfined_t:s0
+(1 row)
+
+SET sepgsql.debug_audit = true;
+SET client_min_messages = LOG;
+--
+-- CREATE Permission checks
+--
+CREATE DATABASE regtest_sepgsql_test_database;
+LOG: SELinux: allowed { getattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=system_u:object_r:sepgsql_db_t:s0 tclass=db_database name="database template1"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_db_t:s0 tclass=db_database name="database regtest_sepgsql_test_database"
+CREATE USER regtest_sepgsql_test_user;
+CREATE SCHEMA regtest_schema;
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+GRANT ALL ON SCHEMA regtest_schema TO regtest_sepgsql_test_user;
+SET search_path = regtest_schema, public;
+CREATE TABLE regtest_table (x serial primary key, y text);
+NOTICE: CREATE TABLE will create implicit sequence "regtest_table_x_seq" for serial column "regtest_table.x"
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_table_x_seq"
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column tableoid"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column cmax"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column xmax"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column cmin"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column xmin"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column ctid"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column x"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column y"
+NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "regtest_table_pkey" for table "regtest_table"
+ALTER TABLE regtest_table ADD COLUMN z int;
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column z"
+CREATE TABLE regtest_table_2 (a int) WITH OIDS;
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_2"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column tableoid"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column cmax"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column xmax"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column cmin"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column xmin"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column oid"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column ctid"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column a"
+-- corresponding toast table should not have label and permission checks
+ALTER TABLE regtest_table_2 ADD COLUMN b text;
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column b"
+-- VACUUM FULL internally create a new table and swap them later.
+VACUUM FULL regtest_table;
+CREATE VIEW regtest_view AS SELECT * FROM regtest_table WHERE x < 100;
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_view_t:s0 tclass=db_view name="view regtest_view"
+CREATE SEQUENCE regtest_seq;
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_seq"
+CREATE TYPE regtest_comptype AS (a int, b text);
+CREATE FUNCTION regtest_func(text,int[]) RETURNS bool LANGUAGE plpgsql
+ AS 'BEGIN RAISE NOTICE ''regtest_func => %'', $1; RETURN true; END';
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_func(text,integer[])"
+CREATE AGGREGATE regtest_agg (
+ sfunc1 = int4pl, basetype = int4, stype1 = int4, initcond1 = '0'
+);
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_agg(integer)"
+-- CREATE objects owned by others
+SET SESSION AUTHORIZATION regtest_sepgsql_test_user;
+SET search_path = regtest_schema, public;
+CREATE TABLE regtest_table_3 (x int, y serial);
+NOTICE: CREATE TABLE will create implicit sequence "regtest_table_3_y_seq" for serial column "regtest_table_3.y"
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_table_3_y_seq"
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_3"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column tableoid"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column cmax"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column xmax"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column cmin"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column xmin"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column ctid"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column x"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column y"
+CREATE VIEW regtest_view_2 AS SELECT * FROM regtest_table_3 WHERE x < y;
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_view_t:s0 tclass=db_view name="view regtest_view_2"
+CREATE FUNCTION regtest_func_2(int) RETURNS bool LANGUAGE plpgsql
+ AS 'BEGIN RETURN $1 * $1 < 100; END';
+LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_func_2(integer)"
+RESET SESSION AUTHORIZATION;
+--
+-- DROP Permission checks (with clean-up)
+--
+DROP FUNCTION regtest_func(text,int[]);
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_func(text,integer[])"
+DROP AGGREGATE regtest_agg(int);
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_agg(integer)"
+DROP SEQUENCE regtest_seq;
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_seq"
+DROP VIEW regtest_view;
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_view_t:s0 tclass=db_view name="view regtest_view"
+ALTER TABLE regtest_table DROP COLUMN y;
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column y"
+ALTER TABLE regtest_table_2 SET WITHOUT OIDS;
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column oid"
+DROP TABLE regtest_table;
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_table_x_seq"
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column tableoid"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column cmax"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column xmax"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column cmin"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column xmin"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column ctid"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column x"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column z"
+DROP OWNED BY regtest_sepgsql_test_user;
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_func_2(integer)"
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_view_t:s0 tclass=db_view name="view regtest_view_2"
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_table_3_y_seq"
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_3"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column tableoid"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column cmax"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column xmax"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column cmin"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column xmin"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column ctid"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column x"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_3 column y"
+DROP DATABASE regtest_sepgsql_test_database;
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_db_t:s0 tclass=db_database name="database regtest_sepgsql_test_database"
+DROP USER regtest_sepgsql_test_user;
+DROP SCHEMA IF EXISTS regtest_schema CASCADE;
+NOTICE: drop cascades to 2 other objects
+DETAIL: drop cascades to table regtest_table_2
+drop cascades to type regtest_comptype
+LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_2"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column tableoid"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column cmax"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column xmax"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column cmin"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column xmin"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column ctid"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column a"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_2 column b"
+LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
*/
#include "postgres.h"
+#include "catalog/dependency.h"
#include "catalog/objectaccess.h"
#include "catalog/pg_class.h"
#include "catalog/pg_database.h"
sepgsql_object_access(ObjectAccessType access,
Oid classId,
Oid objectId,
- int subId)
+ int subId,
+ void *arg)
{
if (next_object_access_hook)
- (*next_object_access_hook) (access, classId, objectId, subId);
+ (*next_object_access_hook) (access, classId, objectId, subId, arg);
switch (access)
{
}
break;
+ case OAT_DROP:
+ {
+ ObjectAccessDrop *drop_arg = (ObjectAccessDrop *)arg;
+
+ /*
+ * No need to apply permission checks on object deletion
+ * due to internal cleanups; such as removal of temporary
+ * database object on session closed.
+ */
+ if ((drop_arg->dropflags & PERFORM_DELETION_INTERNAL) != 0)
+ break;
+
+ switch (classId)
+ {
+ case DatabaseRelationId:
+ sepgsql_database_drop(objectId);
+ break;
+
+ case NamespaceRelationId:
+ sepgsql_schema_drop(objectId);
+ break;
+
+ case RelationRelationId:
+ if (subId == 0)
+ sepgsql_relation_drop(objectId);
+ else
+ sepgsql_attribute_drop(objectId, subId);
+ break;
+
+ case ProcedureRelationId:
+ sepgsql_proc_drop(objectId);
+ break;
+
+ default:
+ /* Ignore unsupported object classes */
+ break;
+ }
+ }
+ break;
+
default:
elog(ERROR, "unexpected object access type: %d", (int) access);
break;
pfree(ncontext);
}
+/*
+ * sepgsql_proc_drop
+ *
+ * It checks privileges to drop the supplied function.
+ */
+void
+sepgsql_proc_drop(Oid functionId)
+{
+ ObjectAddress object;
+ char *audit_name;
+
+ /*
+ * check db_schema:{remove_name} permission
+ */
+ object.classId = NamespaceRelationId;
+ object.objectId = get_func_namespace(functionId);
+ object.objectSubId = 0;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ SEPG_CLASS_DB_SCHEMA,
+ SEPG_DB_SCHEMA__REMOVE_NAME,
+ audit_name,
+ true);
+ pfree(audit_name);
+
+ /*
+ * check db_procedure:{drop} permission
+ */
+ object.classId = ProcedureRelationId;
+ object.objectId = functionId;
+ object.objectSubId = 0;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ SEPG_CLASS_DB_PROCEDURE,
+ SEPG_DB_PROCEDURE__DROP,
+ audit_name,
+ true);
+ pfree(audit_name);
+}
+
/*
* sepgsql_proc_relabel
*
#include "commands/seclabel.h"
#include "utils/fmgroids.h"
#include "utils/lsyscache.h"
+#include "utils/syscache.h"
#include "utils/tqual.h"
#include "sepgsql.h"
pfree(ncontext);
}
+/*
+ * sepgsql_attribute_drop
+ *
+ * It checks privileges to drop the supplied column.
+ */
+void
+sepgsql_attribute_drop(Oid relOid, AttrNumber attnum)
+{
+ ObjectAddress object;
+ char *audit_name;
+
+ if (get_rel_relkind(relOid) != RELKIND_RELATION)
+ return;
+
+ /*
+ * check db_column:{drop} permission
+ */
+ object.classId = RelationRelationId;
+ object.objectId = relOid;
+ object.objectSubId = attnum;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ SEPG_CLASS_DB_COLUMN,
+ SEPG_DB_COLUMN__DROP,
+ audit_name,
+ true);
+ pfree(audit_name);
+}
+
/*
* sepgsql_attribute_relabel
*
heap_close(rel, AccessShareLock);
}
+/*
+ * sepgsql_relation_drop
+ *
+ * It checks privileges to drop the supplied relation.
+ */
+void
+sepgsql_relation_drop(Oid relOid)
+{
+ ObjectAddress object;
+ char *audit_name;
+ uint16_t tclass = 0;
+ char relkind;
+
+ relkind = get_rel_relkind(relOid);
+ if (relkind == RELKIND_RELATION)
+ tclass = SEPG_CLASS_DB_TABLE;
+ else if (relkind == RELKIND_SEQUENCE)
+ tclass = SEPG_CLASS_DB_SEQUENCE;
+ else if (relkind == RELKIND_VIEW)
+ tclass = SEPG_CLASS_DB_VIEW;
+ else
+ return;
+
+ /*
+ * check db_schema:{remove_name} permission
+ */
+ object.classId = NamespaceRelationId;
+ object.objectId = get_rel_namespace(relOid);
+ object.objectSubId = 0;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ SEPG_CLASS_DB_SCHEMA,
+ SEPG_DB_SCHEMA__REMOVE_NAME,
+ audit_name,
+ true);
+ pfree(audit_name);
+
+ /*
+ * check db_table/sequence/view:{drop} permission
+ */
+ object.classId = RelationRelationId;
+ object.objectId = relOid;
+ object.objectSubId = 0;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ tclass,
+ SEPG_DB_TABLE__DROP,
+ audit_name,
+ true);
+ pfree(audit_name);
+
+ /*
+ * check db_column:{drop} permission
+ */
+ if (relkind == RELKIND_RELATION)
+ {
+ Form_pg_attribute attForm;
+ CatCList *attrList;
+ HeapTuple atttup;
+ int i;
+
+ attrList = SearchSysCacheList1(ATTNUM, ObjectIdGetDatum(relOid));
+ for (i=0; i < attrList->n_members; i++)
+ {
+ atttup = &attrList->members[i]->tuple;
+ attForm = (Form_pg_attribute) GETSTRUCT(atttup);
+
+ if (attForm->attisdropped)
+ continue;
+
+ object.classId = RelationRelationId;
+ object.objectId = relOid;
+ object.objectSubId = attForm->attnum;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ SEPG_CLASS_DB_COLUMN,
+ SEPG_DB_COLUMN__DROP,
+ audit_name,
+ true);
+ pfree(audit_name);
+ }
+ ReleaseCatCacheList(attrList);
+ }
+}
+
/*
* sepgsql_relation_relabel
*
pfree(tcontext);
}
+/*
+ * sepgsql_schema_drop
+ *
+ * It checks privileges to drop the supplied schema object.
+ */
+void
+sepgsql_schema_drop(Oid namespaceId)
+{
+ ObjectAddress object;
+ char *audit_name;
+
+ /*
+ * check db_schema:{drop} permission
+ */
+ object.classId = NamespaceRelationId;
+ object.objectId = namespaceId;
+ object.objectSubId = 0;
+ audit_name = getObjectDescription(&object);
+
+ sepgsql_avc_check_perms(&object,
+ SEPG_CLASS_DB_SCHEMA,
+ SEPG_DB_SCHEMA__DROP,
+ audit_name,
+ true);
+ pfree(audit_name);
+}
+
/*
* sepgsql_schema_relabel
*
*/
extern void sepgsql_database_post_create(Oid databaseId,
const char *dtemplate);
+extern void sepgsql_database_drop(Oid databaseId);
extern void sepgsql_database_relabel(Oid databaseId, const char *seclabel);
/*
* schema.c
*/
extern void sepgsql_schema_post_create(Oid namespaceId);
+extern void sepgsql_schema_drop(Oid namespaceId);
extern void sepgsql_schema_relabel(Oid namespaceId, const char *seclabel);
/*
* relation.c
*/
extern void sepgsql_attribute_post_create(Oid relOid, AttrNumber attnum);
+extern void sepgsql_attribute_drop(Oid relOid, AttrNumber attnum);
extern void sepgsql_attribute_relabel(Oid relOid, AttrNumber attnum,
const char *seclabel);
extern void sepgsql_relation_post_create(Oid relOid);
+extern void sepgsql_relation_drop(Oid relOid);
extern void sepgsql_relation_relabel(Oid relOid, const char *seclabel);
/*
* proc.c
*/
extern void sepgsql_proc_post_create(Oid functionId);
+extern void sepgsql_proc_drop(Oid functionId);
extern void sepgsql_proc_relabel(Oid functionId, const char *seclabel);
#endif /* SEPGSQL_H */
--
--- Regression Test for Creation of Object Permission Checks
+-- Regression Test for DDL of Object Permission Checks
--
-- confirm required permissions using audit messages
SET sepgsql.debug_audit = true;
SET client_min_messages = LOG;
+--
+-- CREATE Permission checks
+--
CREATE DATABASE regtest_sepgsql_test_database;
+CREATE USER regtest_sepgsql_test_user;
+
CREATE SCHEMA regtest_schema;
+GRANT ALL ON SCHEMA regtest_schema TO regtest_sepgsql_test_user;
+
SET search_path = regtest_schema, public;
CREATE TABLE regtest_table (x serial primary key, y text);
sfunc1 = int4pl, basetype = int4, stype1 = int4, initcond1 = '0'
);
+-- CREATE objects owned by others
+SET SESSION AUTHORIZATION regtest_sepgsql_test_user;
+
+SET search_path = regtest_schema, public;
+
+CREATE TABLE regtest_table_3 (x int, y serial);
+
+CREATE VIEW regtest_view_2 AS SELECT * FROM regtest_table_3 WHERE x < y;
+
+CREATE FUNCTION regtest_func_2(int) RETURNS bool LANGUAGE plpgsql
+ AS 'BEGIN RETURN $1 * $1 < 100; END';
+
+RESET SESSION AUTHORIZATION;
+
--
--- clean-up
+-- DROP Permission checks (with clean-up)
--
-DROP DATABASE IF EXISTS regtest_sepgsql_test_database;
+DROP FUNCTION regtest_func(text,int[]);
+DROP AGGREGATE regtest_agg(int);
+
+DROP SEQUENCE regtest_seq;
+DROP VIEW regtest_view;
+
+ALTER TABLE regtest_table DROP COLUMN y;
+ALTER TABLE regtest_table_2 SET WITHOUT OIDS;
+
+DROP TABLE regtest_table;
+
+DROP OWNED BY regtest_sepgsql_test_user;
+
+DROP DATABASE regtest_sepgsql_test_database;
+DROP USER regtest_sepgsql_test_user;
DROP SCHEMA IF EXISTS regtest_schema CASCADE;
echo
echo "============== running sepgsql regression tests =============="
-make REGRESS="label dml create misc" REGRESS_OPTS="--launcher ./launcher" installcheck
+make REGRESS="label dml ddl misc" REGRESS_OPTS="--launcher ./launcher" installcheck
# exit with the exit code provided by "make"
on the schema, not only <literal>create</> on the new object itself.
</para>
+ <para>
+ When <literal>DROP</> command is executed, <literal>drop</> will be
+ checked on the object being removed for each object types.
+ Please note that it shall not be checked on the objects removed by
+ cascaded deletion according to the standard manner in SQL.
+ </para>
+ <para>
+ A few additional checks are applied depending on object types.
+ On deletion of objects underlying a particula schema (tables, views,
+ sequences and procedures), <literal>remove_name</> shall be also checked
+ on the schema, not only <literal>drop</> on the object being removed
+ itself.
+ </para>
+
<para>
When <xref linkend="sql-security-label"> is executed, <literal>setattr</>
and <literal>relabelfrom</> will be checked on the object being relabeled