--
-- Test for facilities of security label
--

-- initial setups
SET client_min_messages TO 'warning';

DROP ROLE IF EXISTS seclabel_user1;
DROP ROLE IF EXISTS seclabel_user2;

DROP TABLE IF EXISTS seclabel_tbl1;
DROP TABLE IF EXISTS seclabel_tbl2;
DROP TABLE IF EXISTS seclabel_tbl3;

CREATE USER seclabel_user1;
CREATE USER seclabel_user2;

CREATE TABLE seclabel_tbl1 (a int, b text);
CREATE TABLE seclabel_tbl2 (x int, y text);
CREATE VIEW seclabel_view1 AS SELECT * FROM seclabel_tbl2;
CREATE FUNCTION seclabel_four() RETURNS integer AS $$SELECT 4$$ language sql;
CREATE DOMAIN seclabel_domain AS text;

ALTER TABLE seclabel_tbl1 OWNER TO seclabel_user1;
ALTER TABLE seclabel_tbl2 OWNER TO seclabel_user2;

RESET client_min_messages;

--
-- Test of SECURITY LABEL statement without a plugin
--
SECURITY LABEL ON TABLE seclabel_tbl1 IS 'classified';			-- fail
SECURITY LABEL FOR 'dummy' ON TABLE seclabel_tbl1 IS 'classified';		-- fail
SECURITY LABEL ON TABLE seclabel_tbl1 IS '...invalid label...';		-- fail
SECURITY LABEL ON TABLE seclabel_tbl3 IS 'unclassified';			-- fail

-- Load dummy external security provider
LOAD '@libdir@/dummy_seclabel@DLSUFFIX@';

--
-- Test of SECURITY LABEL statement with a plugin
--
SET SESSION AUTHORIZATION seclabel_user1;

SECURITY LABEL ON TABLE seclabel_tbl1 IS 'classified';			-- OK
SECURITY LABEL ON COLUMN seclabel_tbl1.a IS 'unclassified';		-- OK
SECURITY LABEL ON TABLE seclabel_tbl1 IS '...invalid label...';	-- fail
SECURITY LABEL FOR 'dummy' ON TABLE seclabel_tbl1 IS 'unclassified';	-- OK
SECURITY LABEL FOR 'unknown_seclabel' ON TABLE seclabel_tbl1 IS 'classified';	-- fail
SECURITY LABEL ON TABLE seclabel_tbl2 IS 'unclassified';	-- fail (not owner)
SECURITY LABEL ON TABLE seclabel_tbl1 IS 'secret';		-- fail (not superuser)
SECURITY LABEL ON TABLE seclabel_tbl3 IS 'unclassified';	-- fail (not found)

SET SESSION AUTHORIZATION seclabel_user2;
SECURITY LABEL ON TABLE seclabel_tbl1 IS 'unclassified';		-- fail
SECURITY LABEL ON TABLE seclabel_tbl2 IS 'classified';			-- OK

RESET SESSION AUTHORIZATION;

SECURITY LABEL ON TABLE seclabel_tbl1 IS 'top secret';			-- OK
SECURITY LABEL ON VIEW seclabel_view1 IS 'classified';			-- OK
SECURITY LABEL ON FUNCTION seclabel_four() IS 'classified';		-- OK
SECURITY LABEL ON DOMAIN seclabel_domain IS 'classified';		-- OK
SECURITY LABEL ON LANGUAGE plpgsql IS 'unclassified';			-- OK
SECURITY LABEL ON SCHEMA public IS 'unclassified';				-- OK

SELECT objtype, objname, provider, label FROM pg_seclabels
	ORDER BY objtype, objname;

SECURITY LABEL ON LANGUAGE plpgsql IS NULL;						-- OK
SECURITY LABEL ON SCHEMA public IS NULL;						-- OK

-- clean up objects
DROP FUNCTION seclabel_four();
DROP DOMAIN seclabel_domain;
DROP VIEW seclabel_view1;
DROP TABLE seclabel_tbl1;
DROP TABLE seclabel_tbl2;
DROP USER seclabel_user1;
DROP USER seclabel_user2;

-- make sure we don't have any leftovers
SELECT objtype, objname, provider, label FROM pg_seclabels
	ORDER BY objtype, objname;
