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Diffstat (limited to 'src/test/regress/sql/rowsecurity.sql')
| -rw-r--r-- | src/test/regress/sql/rowsecurity.sql | 2215 |
1 files changed, 2215 insertions, 0 deletions
diff --git a/src/test/regress/sql/rowsecurity.sql b/src/test/regress/sql/rowsecurity.sql new file mode 100644 index 0000000..dec7340 --- /dev/null +++ b/src/test/regress/sql/rowsecurity.sql @@ -0,0 +1,2215 @@ +-- +-- Test of Row-level security feature +-- + +-- Clean up in case a prior regression run failed + +-- Suppress NOTICE messages when users/groups don't exist +SET client_min_messages TO 'warning'; + +DROP USER IF EXISTS regress_rls_alice; +DROP USER IF EXISTS regress_rls_bob; +DROP USER IF EXISTS regress_rls_carol; +DROP USER IF EXISTS regress_rls_dave; +DROP USER IF EXISTS regress_rls_exempt_user; +DROP ROLE IF EXISTS regress_rls_group1; +DROP ROLE IF EXISTS regress_rls_group2; + +DROP SCHEMA IF EXISTS regress_rls_schema CASCADE; + +RESET client_min_messages; + +-- initial setup +CREATE USER regress_rls_alice NOLOGIN; +CREATE USER regress_rls_bob NOLOGIN; +CREATE USER regress_rls_carol NOLOGIN; +CREATE USER regress_rls_dave NOLOGIN; +CREATE USER regress_rls_exempt_user BYPASSRLS NOLOGIN; +CREATE ROLE regress_rls_group1 NOLOGIN; +CREATE ROLE regress_rls_group2 NOLOGIN; + +GRANT regress_rls_group1 TO regress_rls_bob; +GRANT regress_rls_group2 TO regress_rls_carol; + +CREATE SCHEMA regress_rls_schema; +GRANT ALL ON SCHEMA regress_rls_schema to public; +SET search_path = regress_rls_schema; + +-- setup of malicious function +CREATE OR REPLACE FUNCTION f_leak(text) RETURNS bool + COST 0.0000001 LANGUAGE plpgsql + AS 'BEGIN RAISE NOTICE ''f_leak => %'', $1; RETURN true; END'; +GRANT EXECUTE ON FUNCTION f_leak(text) TO public; + +-- BASIC Row-Level Security Scenario + +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE uaccount ( + pguser name primary key, + seclv int +); +GRANT SELECT ON uaccount TO public; +INSERT INTO uaccount VALUES + ('regress_rls_alice', 99), + ('regress_rls_bob', 1), + ('regress_rls_carol', 2), + ('regress_rls_dave', 3); + +CREATE TABLE category ( + cid int primary key, + cname text +); +GRANT ALL ON category TO public; +INSERT INTO category VALUES + (11, 'novel'), + (22, 'science fiction'), + (33, 'technology'), + (44, 'manga'); + +CREATE TABLE document ( + did int primary key, + cid int references category(cid), + dlevel int not null, + dauthor name, + dtitle text +); +GRANT ALL ON document TO public; +INSERT INTO document VALUES + ( 1, 11, 1, 'regress_rls_bob', 'my first novel'), + ( 2, 11, 2, 'regress_rls_bob', 'my second novel'), + ( 3, 22, 2, 'regress_rls_bob', 'my science fiction'), + ( 4, 44, 1, 'regress_rls_bob', 'my first manga'), + ( 5, 44, 2, 'regress_rls_bob', 'my second manga'), + ( 6, 22, 1, 'regress_rls_carol', 'great science fiction'), + ( 7, 33, 2, 'regress_rls_carol', 'great technology book'), + ( 8, 44, 1, 'regress_rls_carol', 'great manga'), + ( 9, 22, 1, 'regress_rls_dave', 'awesome science fiction'), + (10, 33, 2, 'regress_rls_dave', 'awesome technology book'); + +ALTER TABLE document ENABLE ROW LEVEL SECURITY; + +-- user's security level must be higher than or equal to document's +CREATE POLICY p1 ON document AS PERMISSIVE + USING (dlevel <= (SELECT seclv FROM uaccount WHERE pguser = current_user)); + +-- try to create a policy of bogus type +CREATE POLICY p1 ON document AS UGLY + USING (dlevel <= (SELECT seclv FROM uaccount WHERE pguser = current_user)); + +-- but Dave isn't allowed to anything at cid 50 or above +-- this is to make sure that we sort the policies by name first +-- when applying WITH CHECK, a later INSERT by Dave should fail due +-- to p1r first +CREATE POLICY p2r ON document AS RESTRICTIVE TO regress_rls_dave + USING (cid <> 44 AND cid < 50); + +-- and Dave isn't allowed to see manga documents +CREATE POLICY p1r ON document AS RESTRICTIVE TO regress_rls_dave + USING (cid <> 44); + +\dp +\d document +SELECT * FROM pg_policies WHERE schemaname = 'regress_rls_schema' AND tablename = 'document' ORDER BY policyname; + +-- viewpoint from regress_rls_bob +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO ON; +SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; +SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER BY did; + +-- try a sampled version +SELECT * FROM document TABLESAMPLE BERNOULLI(50) REPEATABLE(0) + WHERE f_leak(dtitle) ORDER BY did; + +-- viewpoint from regress_rls_carol +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; +SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER BY did; + +-- try a sampled version +SELECT * FROM document TABLESAMPLE BERNOULLI(50) REPEATABLE(0) + WHERE f_leak(dtitle) ORDER BY did; + +EXPLAIN (COSTS OFF) SELECT * FROM document WHERE f_leak(dtitle); +EXPLAIN (COSTS OFF) SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle); + +-- viewpoint from regress_rls_dave +SET SESSION AUTHORIZATION regress_rls_dave; +SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; +SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER BY did; + +EXPLAIN (COSTS OFF) SELECT * FROM document WHERE f_leak(dtitle); +EXPLAIN (COSTS OFF) SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle); + +-- 44 would technically fail for both p2r and p1r, but we should get an error +-- back from p1r for this because it sorts first +INSERT INTO document VALUES (100, 44, 1, 'regress_rls_dave', 'testing sorting of policies'); -- fail +-- Just to see a p2r error +INSERT INTO document VALUES (100, 55, 1, 'regress_rls_dave', 'testing sorting of policies'); -- fail + +-- only owner can change policies +ALTER POLICY p1 ON document USING (true); --fail +DROP POLICY p1 ON document; --fail + +SET SESSION AUTHORIZATION regress_rls_alice; +ALTER POLICY p1 ON document USING (dauthor = current_user); + +-- viewpoint from regress_rls_bob again +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; +SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER by did; + +-- viewpoint from rls_regres_carol again +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; +SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER by did; + +EXPLAIN (COSTS OFF) SELECT * FROM document WHERE f_leak(dtitle); +EXPLAIN (COSTS OFF) SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle); + +-- interaction of FK/PK constraints +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE POLICY p2 ON category + USING (CASE WHEN current_user = 'regress_rls_bob' THEN cid IN (11, 33) + WHEN current_user = 'regress_rls_carol' THEN cid IN (22, 44) + ELSE false END); + +ALTER TABLE category ENABLE ROW LEVEL SECURITY; + +-- cannot delete PK referenced by invisible FK +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM document d FULL OUTER JOIN category c on d.cid = c.cid ORDER BY d.did, c.cid; +DELETE FROM category WHERE cid = 33; -- fails with FK violation + +-- can insert FK referencing invisible PK +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM document d FULL OUTER JOIN category c on d.cid = c.cid ORDER BY d.did, c.cid; +INSERT INTO document VALUES (11, 33, 1, current_user, 'hoge'); + +-- UNIQUE or PRIMARY KEY constraint violation DOES reveal presence of row +SET SESSION AUTHORIZATION regress_rls_bob; +INSERT INTO document VALUES (8, 44, 1, 'regress_rls_bob', 'my third manga'); -- Must fail with unique violation, revealing presence of did we can't see +SELECT * FROM document WHERE did = 8; -- and confirm we can't see it + +-- RLS policies are checked before constraints +INSERT INTO document VALUES (8, 44, 1, 'regress_rls_carol', 'my third manga'); -- Should fail with RLS check violation, not duplicate key violation +UPDATE document SET did = 8, dauthor = 'regress_rls_carol' WHERE did = 5; -- Should fail with RLS check violation, not duplicate key violation + +-- database superuser does bypass RLS policy when enabled +RESET SESSION AUTHORIZATION; +SET row_security TO ON; +SELECT * FROM document; +SELECT * FROM category; + +-- database superuser does bypass RLS policy when disabled +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +SELECT * FROM document; +SELECT * FROM category; + +-- database non-superuser with bypass privilege can bypass RLS policy when disabled +SET SESSION AUTHORIZATION regress_rls_exempt_user; +SET row_security TO OFF; +SELECT * FROM document; +SELECT * FROM category; + +-- RLS policy does not apply to table owner when RLS enabled. +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security TO ON; +SELECT * FROM document; +SELECT * FROM category; + +-- RLS policy does not apply to table owner when RLS disabled. +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security TO OFF; +SELECT * FROM document; +SELECT * FROM category; + +-- +-- Table inheritance and RLS policy +-- +SET SESSION AUTHORIZATION regress_rls_alice; + +SET row_security TO ON; + +CREATE TABLE t1 (id int not null primary key, a int, junk1 text, b text); +ALTER TABLE t1 DROP COLUMN junk1; -- just a disturbing factor +GRANT ALL ON t1 TO public; + +COPY t1 FROM stdin WITH ; +101 1 aba +102 2 bbb +103 3 ccc +104 4 dad +\. + +CREATE TABLE t2 (c float) INHERITS (t1); +GRANT ALL ON t2 TO public; + +COPY t2 FROM stdin; +201 1 abc 1.1 +202 2 bcd 2.2 +203 3 cde 3.3 +204 4 def 4.4 +\. + +CREATE TABLE t3 (id int not null primary key, c text, b text, a int); +ALTER TABLE t3 INHERIT t1; +GRANT ALL ON t3 TO public; + +COPY t3(id, a,b,c) FROM stdin; +301 1 xxx X +302 2 yyy Y +303 3 zzz Z +\. + +CREATE POLICY p1 ON t1 FOR ALL TO PUBLIC USING (a % 2 = 0); -- be even number +CREATE POLICY p2 ON t2 FOR ALL TO PUBLIC USING (a % 2 = 1); -- be odd number + +ALTER TABLE t1 ENABLE ROW LEVEL SECURITY; +ALTER TABLE t2 ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; + +SELECT * FROM t1; +EXPLAIN (COSTS OFF) SELECT * FROM t1; + +SELECT * FROM t1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); + +-- reference to system column +SELECT tableoid::regclass, * FROM t1; +EXPLAIN (COSTS OFF) SELECT *, t1 FROM t1; + +-- reference to whole-row reference +SELECT *, t1 FROM t1; +EXPLAIN (COSTS OFF) SELECT *, t1 FROM t1; + +-- for share/update lock +SELECT * FROM t1 FOR SHARE; +EXPLAIN (COSTS OFF) SELECT * FROM t1 FOR SHARE; + +SELECT * FROM t1 WHERE f_leak(b) FOR SHARE; +EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b) FOR SHARE; + +-- union all query +SELECT a, b, tableoid::regclass FROM t2 UNION ALL SELECT a, b, tableoid::regclass FROM t3; +EXPLAIN (COSTS OFF) SELECT a, b, tableoid::regclass FROM t2 UNION ALL SELECT a, b, tableoid::regclass FROM t3; + +-- superuser is allowed to bypass RLS checks +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +SELECT * FROM t1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); + +-- non-superuser with bypass privilege can bypass RLS policy when disabled +SET SESSION AUTHORIZATION regress_rls_exempt_user; +SET row_security TO OFF; +SELECT * FROM t1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); + +-- +-- Partitioned Tables +-- + +SET SESSION AUTHORIZATION regress_rls_alice; + +CREATE TABLE part_document ( + did int, + cid int, + dlevel int not null, + dauthor name, + dtitle text +) PARTITION BY RANGE (cid); +GRANT ALL ON part_document TO public; + +-- Create partitions for document categories +CREATE TABLE part_document_fiction PARTITION OF part_document FOR VALUES FROM (11) to (12); +CREATE TABLE part_document_satire PARTITION OF part_document FOR VALUES FROM (55) to (56); +CREATE TABLE part_document_nonfiction PARTITION OF part_document FOR VALUES FROM (99) to (100); + +GRANT ALL ON part_document_fiction TO public; +GRANT ALL ON part_document_satire TO public; +GRANT ALL ON part_document_nonfiction TO public; + +INSERT INTO part_document VALUES + ( 1, 11, 1, 'regress_rls_bob', 'my first novel'), + ( 2, 11, 2, 'regress_rls_bob', 'my second novel'), + ( 3, 99, 2, 'regress_rls_bob', 'my science textbook'), + ( 4, 55, 1, 'regress_rls_bob', 'my first satire'), + ( 5, 99, 2, 'regress_rls_bob', 'my history book'), + ( 6, 11, 1, 'regress_rls_carol', 'great science fiction'), + ( 7, 99, 2, 'regress_rls_carol', 'great technology book'), + ( 8, 55, 2, 'regress_rls_carol', 'great satire'), + ( 9, 11, 1, 'regress_rls_dave', 'awesome science fiction'), + (10, 99, 2, 'regress_rls_dave', 'awesome technology book'); + +ALTER TABLE part_document ENABLE ROW LEVEL SECURITY; + +-- Create policy on parent +-- user's security level must be higher than or equal to document's +CREATE POLICY pp1 ON part_document AS PERMISSIVE + USING (dlevel <= (SELECT seclv FROM uaccount WHERE pguser = current_user)); + +-- Dave is only allowed to see cid < 55 +CREATE POLICY pp1r ON part_document AS RESTRICTIVE TO regress_rls_dave + USING (cid < 55); + +\d+ part_document +SELECT * FROM pg_policies WHERE schemaname = 'regress_rls_schema' AND tablename like '%part_document%' ORDER BY policyname; + +-- viewpoint from regress_rls_bob +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO ON; +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; +EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); + +-- viewpoint from regress_rls_carol +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; +EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); + +-- viewpoint from regress_rls_dave +SET SESSION AUTHORIZATION regress_rls_dave; +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; +EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); + +-- pp1 ERROR +INSERT INTO part_document VALUES (100, 11, 5, 'regress_rls_dave', 'testing pp1'); -- fail +-- pp1r ERROR +INSERT INTO part_document VALUES (100, 99, 1, 'regress_rls_dave', 'testing pp1r'); -- fail + +-- Show that RLS policy does not apply for direct inserts to children +-- This should fail with RLS POLICY pp1r violation. +INSERT INTO part_document VALUES (100, 55, 1, 'regress_rls_dave', 'testing RLS with partitions'); -- fail +-- But this should succeed. +INSERT INTO part_document_satire VALUES (100, 55, 1, 'regress_rls_dave', 'testing RLS with partitions'); -- success +-- We still cannot see the row using the parent +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; +-- But we can if we look directly +SELECT * FROM part_document_satire WHERE f_leak(dtitle) ORDER BY did; + +-- Turn on RLS and create policy on child to show RLS is checked before constraints +SET SESSION AUTHORIZATION regress_rls_alice; +ALTER TABLE part_document_satire ENABLE ROW LEVEL SECURITY; +CREATE POLICY pp3 ON part_document_satire AS RESTRICTIVE + USING (cid < 55); +-- This should fail with RLS violation now. +SET SESSION AUTHORIZATION regress_rls_dave; +INSERT INTO part_document_satire VALUES (101, 55, 1, 'regress_rls_dave', 'testing RLS with partitions'); -- fail +-- And now we cannot see directly into the partition either, due to RLS +SELECT * FROM part_document_satire WHERE f_leak(dtitle) ORDER BY did; +-- The parent looks same as before +-- viewpoint from regress_rls_dave +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; +EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); + +-- viewpoint from regress_rls_carol +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; +EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); + +-- only owner can change policies +ALTER POLICY pp1 ON part_document USING (true); --fail +DROP POLICY pp1 ON part_document; --fail + +SET SESSION AUTHORIZATION regress_rls_alice; +ALTER POLICY pp1 ON part_document USING (dauthor = current_user); + +-- viewpoint from regress_rls_bob again +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; + +-- viewpoint from rls_regres_carol again +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; + +EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); + +-- database superuser does bypass RLS policy when enabled +RESET SESSION AUTHORIZATION; +SET row_security TO ON; +SELECT * FROM part_document ORDER BY did; +SELECT * FROM part_document_satire ORDER by did; + +-- database non-superuser with bypass privilege can bypass RLS policy when disabled +SET SESSION AUTHORIZATION regress_rls_exempt_user; +SET row_security TO OFF; +SELECT * FROM part_document ORDER BY did; +SELECT * FROM part_document_satire ORDER by did; + +-- RLS policy does not apply to table owner when RLS enabled. +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security TO ON; +SELECT * FROM part_document ORDER by did; +SELECT * FROM part_document_satire ORDER by did; + +-- When RLS disabled, other users get ERROR. +SET SESSION AUTHORIZATION regress_rls_dave; +SET row_security TO OFF; +SELECT * FROM part_document ORDER by did; +SELECT * FROM part_document_satire ORDER by did; + +-- Check behavior with a policy that uses a SubPlan not an InitPlan. +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security TO ON; +CREATE POLICY pp3 ON part_document AS RESTRICTIVE + USING ((SELECT dlevel <= seclv FROM uaccount WHERE pguser = current_user)); + +SET SESSION AUTHORIZATION regress_rls_carol; +INSERT INTO part_document VALUES (100, 11, 5, 'regress_rls_carol', 'testing pp3'); -- fail + +----- Dependencies ----- +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security TO ON; + +CREATE TABLE dependee (x integer, y integer); + +CREATE TABLE dependent (x integer, y integer); +CREATE POLICY d1 ON dependent FOR ALL + TO PUBLIC + USING (x = (SELECT d.x FROM dependee d WHERE d.y = y)); + +DROP TABLE dependee; -- Should fail without CASCADE due to dependency on row security qual? + +DROP TABLE dependee CASCADE; + +EXPLAIN (COSTS OFF) SELECT * FROM dependent; -- After drop, should be unqualified + +----- RECURSION ---- + +-- +-- Simple recursion +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE rec1 (x integer, y integer); +CREATE POLICY r1 ON rec1 USING (x = (SELECT r.x FROM rec1 r WHERE y = r.y)); +ALTER TABLE rec1 ENABLE ROW LEVEL SECURITY; +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rec1; -- fail, direct recursion + +-- +-- Mutual recursion +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE rec2 (a integer, b integer); +ALTER POLICY r1 ON rec1 USING (x = (SELECT a FROM rec2 WHERE b = y)); +CREATE POLICY r2 ON rec2 USING (a = (SELECT x FROM rec1 WHERE y = b)); +ALTER TABLE rec2 ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rec1; -- fail, mutual recursion + +-- +-- Mutual recursion via views +-- +SET SESSION AUTHORIZATION regress_rls_bob; +CREATE VIEW rec1v AS SELECT * FROM rec1; +CREATE VIEW rec2v AS SELECT * FROM rec2; +SET SESSION AUTHORIZATION regress_rls_alice; +ALTER POLICY r1 ON rec1 USING (x = (SELECT a FROM rec2v WHERE b = y)); +ALTER POLICY r2 ON rec2 USING (a = (SELECT x FROM rec1v WHERE y = b)); + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rec1; -- fail, mutual recursion via views + +-- +-- Mutual recursion via .s.b views +-- +SET SESSION AUTHORIZATION regress_rls_bob; + +DROP VIEW rec1v, rec2v CASCADE; + +CREATE VIEW rec1v WITH (security_barrier) AS SELECT * FROM rec1; +CREATE VIEW rec2v WITH (security_barrier) AS SELECT * FROM rec2; +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE POLICY r1 ON rec1 USING (x = (SELECT a FROM rec2v WHERE b = y)); +CREATE POLICY r2 ON rec2 USING (a = (SELECT x FROM rec1v WHERE y = b)); + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rec1; -- fail, mutual recursion via s.b. views + +-- +-- recursive RLS and VIEWs in policy +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE s1 (a int, b text); +INSERT INTO s1 (SELECT x, public.fipshash(x::text) FROM generate_series(-10,10) x); + +CREATE TABLE s2 (x int, y text); +INSERT INTO s2 (SELECT x, public.fipshash(x::text) FROM generate_series(-6,6) x); + +GRANT SELECT ON s1, s2 TO regress_rls_bob; + +CREATE POLICY p1 ON s1 USING (a in (select x from s2 where y like '%2f%')); +CREATE POLICY p2 ON s2 USING (x in (select a from s1 where b like '%22%')); +CREATE POLICY p3 ON s1 FOR INSERT WITH CHECK (a = (SELECT a FROM s1)); + +ALTER TABLE s1 ENABLE ROW LEVEL SECURITY; +ALTER TABLE s2 ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; +CREATE VIEW v2 AS SELECT * FROM s2 WHERE y like '%af%'; +SELECT * FROM s1 WHERE f_leak(b); -- fail (infinite recursion) + +INSERT INTO s1 VALUES (1, 'foo'); -- fail (infinite recursion) + +SET SESSION AUTHORIZATION regress_rls_alice; +DROP POLICY p3 on s1; +ALTER POLICY p2 ON s2 USING (x % 2 = 0); + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM s1 WHERE f_leak(b); -- OK +EXPLAIN (COSTS OFF) SELECT * FROM only s1 WHERE f_leak(b); + +SET SESSION AUTHORIZATION regress_rls_alice; +ALTER POLICY p1 ON s1 USING (a in (select x from v2)); -- using VIEW in RLS policy +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM s1 WHERE f_leak(b); -- OK +EXPLAIN (COSTS OFF) SELECT * FROM s1 WHERE f_leak(b); + +SELECT (SELECT x FROM s1 LIMIT 1) xx, * FROM s2 WHERE y like '%28%'; +EXPLAIN (COSTS OFF) SELECT (SELECT x FROM s1 LIMIT 1) xx, * FROM s2 WHERE y like '%28%'; + +SET SESSION AUTHORIZATION regress_rls_alice; +ALTER POLICY p2 ON s2 USING (x in (select a from s1 where b like '%d2%')); +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM s1 WHERE f_leak(b); -- fail (infinite recursion via view) + +-- prepared statement with regress_rls_alice privilege +PREPARE p1(int) AS SELECT * FROM t1 WHERE a <= $1; +EXECUTE p1(2); +EXPLAIN (COSTS OFF) EXECUTE p1(2); + +-- superuser is allowed to bypass RLS checks +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +SELECT * FROM t1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); + +-- plan cache should be invalidated +EXECUTE p1(2); +EXPLAIN (COSTS OFF) EXECUTE p1(2); + +PREPARE p2(int) AS SELECT * FROM t1 WHERE a = $1; +EXECUTE p2(2); +EXPLAIN (COSTS OFF) EXECUTE p2(2); + +-- also, case when privilege switch from superuser +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO ON; +EXECUTE p2(2); +EXPLAIN (COSTS OFF) EXECUTE p2(2); + +-- +-- UPDATE / DELETE and Row-level security +-- +SET SESSION AUTHORIZATION regress_rls_bob; +EXPLAIN (COSTS OFF) UPDATE t1 SET b = b || b WHERE f_leak(b); +UPDATE t1 SET b = b || b WHERE f_leak(b); + +EXPLAIN (COSTS OFF) UPDATE only t1 SET b = b || '_updt' WHERE f_leak(b); +UPDATE only t1 SET b = b || '_updt' WHERE f_leak(b); + +-- returning clause with system column +UPDATE only t1 SET b = b WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; +UPDATE t1 SET b = b WHERE f_leak(b) RETURNING *; +UPDATE t1 SET b = b WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; + +-- updates with from clause +EXPLAIN (COSTS OFF) UPDATE t2 SET b=t2.b FROM t3 +WHERE t2.a = 3 and t3.a = 2 AND f_leak(t2.b) AND f_leak(t3.b); + +UPDATE t2 SET b=t2.b FROM t3 +WHERE t2.a = 3 and t3.a = 2 AND f_leak(t2.b) AND f_leak(t3.b); + +EXPLAIN (COSTS OFF) UPDATE t1 SET b=t1.b FROM t2 +WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); + +UPDATE t1 SET b=t1.b FROM t2 +WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); + +EXPLAIN (COSTS OFF) UPDATE t2 SET b=t2.b FROM t1 +WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); + +UPDATE t2 SET b=t2.b FROM t1 +WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); + +-- updates with from clause self join +EXPLAIN (COSTS OFF) UPDATE t2 t2_1 SET b = t2_2.b FROM t2 t2_2 +WHERE t2_1.a = 3 AND t2_2.a = t2_1.a AND t2_2.b = t2_1.b +AND f_leak(t2_1.b) AND f_leak(t2_2.b) RETURNING *, t2_1, t2_2; + +UPDATE t2 t2_1 SET b = t2_2.b FROM t2 t2_2 +WHERE t2_1.a = 3 AND t2_2.a = t2_1.a AND t2_2.b = t2_1.b +AND f_leak(t2_1.b) AND f_leak(t2_2.b) RETURNING *, t2_1, t2_2; + +EXPLAIN (COSTS OFF) UPDATE t1 t1_1 SET b = t1_2.b FROM t1 t1_2 +WHERE t1_1.a = 4 AND t1_2.a = t1_1.a AND t1_2.b = t1_1.b +AND f_leak(t1_1.b) AND f_leak(t1_2.b) RETURNING *, t1_1, t1_2; + +UPDATE t1 t1_1 SET b = t1_2.b FROM t1 t1_2 +WHERE t1_1.a = 4 AND t1_2.a = t1_1.a AND t1_2.b = t1_1.b +AND f_leak(t1_1.b) AND f_leak(t1_2.b) RETURNING *, t1_1, t1_2; + +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +SELECT * FROM t1 ORDER BY a,b; + +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO ON; +EXPLAIN (COSTS OFF) DELETE FROM only t1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) DELETE FROM t1 WHERE f_leak(b); + +DELETE FROM only t1 WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; +DELETE FROM t1 WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; + +-- +-- S.b. view on top of Row-level security +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE b1 (a int, b text); +INSERT INTO b1 (SELECT x, public.fipshash(x::text) FROM generate_series(-10,10) x); + +CREATE POLICY p1 ON b1 USING (a % 2 = 0); +ALTER TABLE b1 ENABLE ROW LEVEL SECURITY; +GRANT ALL ON b1 TO regress_rls_bob; + +SET SESSION AUTHORIZATION regress_rls_bob; +CREATE VIEW bv1 WITH (security_barrier) AS SELECT * FROM b1 WHERE a > 0 WITH CHECK OPTION; +GRANT ALL ON bv1 TO regress_rls_carol; + +SET SESSION AUTHORIZATION regress_rls_carol; + +EXPLAIN (COSTS OFF) SELECT * FROM bv1 WHERE f_leak(b); +SELECT * FROM bv1 WHERE f_leak(b); + +INSERT INTO bv1 VALUES (-1, 'xxx'); -- should fail view WCO +INSERT INTO bv1 VALUES (11, 'xxx'); -- should fail RLS check +INSERT INTO bv1 VALUES (12, 'xxx'); -- ok + +EXPLAIN (COSTS OFF) UPDATE bv1 SET b = 'yyy' WHERE a = 4 AND f_leak(b); +UPDATE bv1 SET b = 'yyy' WHERE a = 4 AND f_leak(b); + +EXPLAIN (COSTS OFF) DELETE FROM bv1 WHERE a = 6 AND f_leak(b); +DELETE FROM bv1 WHERE a = 6 AND f_leak(b); + +SET SESSION AUTHORIZATION regress_rls_alice; +SELECT * FROM b1; +-- +-- INSERT ... ON CONFLICT DO UPDATE and Row-level security +-- + +SET SESSION AUTHORIZATION regress_rls_alice; +DROP POLICY p1 ON document; +DROP POLICY p1r ON document; + +CREATE POLICY p1 ON document FOR SELECT USING (true); +CREATE POLICY p2 ON document FOR INSERT WITH CHECK (dauthor = current_user); +CREATE POLICY p3 ON document FOR UPDATE + USING (cid = (SELECT cid from category WHERE cname = 'novel')) + WITH CHECK (dauthor = current_user); + +SET SESSION AUTHORIZATION regress_rls_bob; + +-- Exists... +SELECT * FROM document WHERE did = 2; + +-- ...so violates actual WITH CHECK OPTION within UPDATE (not INSERT, since +-- alternative UPDATE path happens to be taken): +INSERT INTO document VALUES (2, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_carol', 'my first novel') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, dauthor = EXCLUDED.dauthor; + +-- Violates USING qual for UPDATE policy p3. +-- +-- UPDATE path is taken, but UPDATE fails purely because *existing* row to be +-- updated is not a "novel"/cid 11 (row is not leaked, even though we have +-- SELECT privileges sufficient to see the row in this instance): +INSERT INTO document VALUES (33, 22, 1, 'regress_rls_bob', 'okay science fiction'); -- preparation for next statement +INSERT INTO document VALUES (33, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'Some novel, replaces sci-fi') -- takes UPDATE path + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle; +-- Fine (we UPDATE, since INSERT WCOs and UPDATE security barrier quals + WCOs +-- not violated): +INSERT INTO document VALUES (2, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'my first novel') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; +-- Fine (we INSERT, so "cid = 33" ("technology") isn't evaluated): +INSERT INTO document VALUES (78, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'some technology novel') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33 RETURNING *; +-- Fine (same query, but we UPDATE, so "cid = 33", ("technology") is not the +-- case in respect of *existing* tuple): +INSERT INTO document VALUES (78, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'some technology novel') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33 RETURNING *; +-- Same query a third time, but now fails due to existing tuple finally not +-- passing quals: +INSERT INTO document VALUES (78, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'some technology novel') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33 RETURNING *; +-- Don't fail just because INSERT doesn't satisfy WITH CHECK option that +-- originated as a barrier/USING() qual from the UPDATE. Note that the UPDATE +-- path *isn't* taken, and so UPDATE-related policy does not apply: +INSERT INTO document VALUES (79, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'technology book, can only insert') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; +-- But this time, the same statement fails, because the UPDATE path is taken, +-- and updating the row just inserted falls afoul of security barrier qual +-- (enforced as WCO) -- what we might have updated target tuple to is +-- irrelevant, in fact. +INSERT INTO document VALUES (79, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'technology book, can only insert') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; + +-- Test default USING qual enforced as WCO +SET SESSION AUTHORIZATION regress_rls_alice; +DROP POLICY p1 ON document; +DROP POLICY p2 ON document; +DROP POLICY p3 ON document; + +CREATE POLICY p3_with_default ON document FOR UPDATE + USING (cid = (SELECT cid from category WHERE cname = 'novel')); + +SET SESSION AUTHORIZATION regress_rls_bob; +-- Just because WCO-style enforcement of USING quals occurs with +-- existing/target tuple does not mean that the implementation can be allowed +-- to fail to also enforce this qual against the final tuple appended to +-- relation (since in the absence of an explicit WCO, this is also interpreted +-- as an UPDATE/ALL WCO in general). +-- +-- UPDATE path is taken here (fails due to existing tuple). Note that this is +-- not reported as a "USING expression", because it's an RLS UPDATE check that originated as +-- a USING qual for the purposes of RLS in general, as opposed to an explicit +-- USING qual that is ordinarily a security barrier. We leave it up to the +-- UPDATE to make this fail: +INSERT INTO document VALUES (79, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'technology book, can only insert') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; + +-- UPDATE path is taken here. Existing tuple passes, since its cid +-- corresponds to "novel", but default USING qual is enforced against +-- post-UPDATE tuple too (as always when updating with a policy that lacks an +-- explicit WCO), and so this fails: +INSERT INTO document VALUES (2, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'my first novel') + ON CONFLICT (did) DO UPDATE SET cid = EXCLUDED.cid, dtitle = EXCLUDED.dtitle RETURNING *; + +SET SESSION AUTHORIZATION regress_rls_alice; +DROP POLICY p3_with_default ON document; + +-- +-- Test ALL policies with ON CONFLICT DO UPDATE (much the same as existing UPDATE +-- tests) +-- +CREATE POLICY p3_with_all ON document FOR ALL + USING (cid = (SELECT cid from category WHERE cname = 'novel')) + WITH CHECK (dauthor = current_user); + +SET SESSION AUTHORIZATION regress_rls_bob; + +-- Fails, since ALL WCO is enforced in insert path: +INSERT INTO document VALUES (80, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_carol', 'my first novel') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33; +-- Fails, since ALL policy USING qual is enforced (existing, target tuple is in +-- violation, since it has the "manga" cid): +INSERT INTO document VALUES (4, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'my first novel') + ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle; +-- Fails, since ALL WCO are enforced: +INSERT INTO document VALUES (1, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'my first novel') + ON CONFLICT (did) DO UPDATE SET dauthor = 'regress_rls_carol'; + +-- +-- MERGE +-- +RESET SESSION AUTHORIZATION; +DROP POLICY p3_with_all ON document; + +ALTER TABLE document ADD COLUMN dnotes text DEFAULT ''; +-- all documents are readable +CREATE POLICY p1 ON document FOR SELECT USING (true); +-- one may insert documents only authored by them +CREATE POLICY p2 ON document FOR INSERT WITH CHECK (dauthor = current_user); +-- one may only update documents in 'novel' category and new dlevel must be > 0 +CREATE POLICY p3 ON document FOR UPDATE + USING (cid = (SELECT cid from category WHERE cname = 'novel')) + WITH CHECK (dlevel > 0); +-- one may only delete documents in 'manga' category +CREATE POLICY p4 ON document FOR DELETE + USING (cid = (SELECT cid from category WHERE cname = 'manga')); + +SELECT * FROM document; + +SET SESSION AUTHORIZATION regress_rls_bob; + +-- Fails, since update violates WITH CHECK qual on dlevel +MERGE INTO document d +USING (SELECT 1 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge1 ', dlevel = 0; + +-- Should be OK since USING and WITH CHECK quals pass +MERGE INTO document d +USING (SELECT 1 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge2 '; + +-- Even when dlevel is updated explicitly, but to the existing value +MERGE INTO document d +USING (SELECT 1 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge3 ', dlevel = 1; + +-- There is a MATCH for did = 3, but UPDATE's USING qual does not allow +-- updating an item in category 'science fiction' +MERGE INTO document d +USING (SELECT 3 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge '; + +-- The same thing with DELETE action, but fails again because no permissions +-- to delete items in 'science fiction' category that did 3 belongs to. +MERGE INTO document d +USING (SELECT 3 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + DELETE; + +-- Document with did 4 belongs to 'manga' category which is allowed for +-- deletion. But this fails because the UPDATE action is matched first and +-- UPDATE policy does not allow updation in the category. +MERGE INTO document d +USING (SELECT 4 as sdid) s +ON did = s.sdid +WHEN MATCHED AND dnotes = '' THEN + UPDATE SET dnotes = dnotes || ' notes added by merge ' +WHEN MATCHED THEN + DELETE; + +-- UPDATE action is not matched this time because of the WHEN qual. +-- DELETE still fails because role regress_rls_bob does not have SELECT +-- privileges on 'manga' category row in the category table. +MERGE INTO document d +USING (SELECT 4 as sdid) s +ON did = s.sdid +WHEN MATCHED AND dnotes <> '' THEN + UPDATE SET dnotes = dnotes || ' notes added by merge ' +WHEN MATCHED THEN + DELETE; + +-- OK if DELETE is replaced with DO NOTHING +MERGE INTO document d +USING (SELECT 4 as sdid) s +ON did = s.sdid +WHEN MATCHED AND dnotes <> '' THEN + UPDATE SET dnotes = dnotes || ' notes added by merge ' +WHEN MATCHED THEN + DO NOTHING; + +SELECT * FROM document WHERE did = 4; + +-- Switch to regress_rls_carol role and try the DELETE again. It should succeed +-- this time +RESET SESSION AUTHORIZATION; +SET SESSION AUTHORIZATION regress_rls_carol; + +MERGE INTO document d +USING (SELECT 4 as sdid) s +ON did = s.sdid +WHEN MATCHED AND dnotes <> '' THEN + UPDATE SET dnotes = dnotes || ' notes added by merge ' +WHEN MATCHED THEN + DELETE; + +-- Switch back to regress_rls_bob role +RESET SESSION AUTHORIZATION; +SET SESSION AUTHORIZATION regress_rls_bob; + +-- Try INSERT action. This fails because we are trying to insert +-- dauthor = regress_rls_dave and INSERT's WITH CHECK does not allow +-- that +MERGE INTO document d +USING (SELECT 12 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + DELETE +WHEN NOT MATCHED THEN + INSERT VALUES (12, 11, 1, 'regress_rls_dave', 'another novel'); + +-- This should be fine +MERGE INTO document d +USING (SELECT 12 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + DELETE +WHEN NOT MATCHED THEN + INSERT VALUES (12, 11, 1, 'regress_rls_bob', 'another novel'); + +-- ok +MERGE INTO document d +USING (SELECT 1 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge4 ' +WHEN NOT MATCHED THEN + INSERT VALUES (12, 11, 1, 'regress_rls_bob', 'another novel'); + +-- drop and create a new SELECT policy which prevents us from reading +-- any document except with category 'novel' +RESET SESSION AUTHORIZATION; +DROP POLICY p1 ON document; +CREATE POLICY p1 ON document FOR SELECT + USING (cid = (SELECT cid from category WHERE cname = 'novel')); + +SET SESSION AUTHORIZATION regress_rls_bob; + +-- MERGE can no longer see the matching row and hence attempts the +-- NOT MATCHED action, which results in unique key violation +MERGE INTO document d +USING (SELECT 7 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge5 ' +WHEN NOT MATCHED THEN + INSERT VALUES (12, 11, 1, 'regress_rls_bob', 'another novel'); + +-- UPDATE action fails if new row is not visible +MERGE INTO document d +USING (SELECT 1 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge6 ', + cid = (SELECT cid from category WHERE cname = 'technology'); + +-- but OK if new row is visible +MERGE INTO document d +USING (SELECT 1 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge7 ', + cid = (SELECT cid from category WHERE cname = 'novel'); + +-- OK to insert a new row that is not visible +MERGE INTO document d +USING (SELECT 13 as sdid) s +ON did = s.sdid +WHEN MATCHED THEN + UPDATE SET dnotes = dnotes || ' notes added by merge8 ' +WHEN NOT MATCHED THEN + INSERT VALUES (13, 44, 1, 'regress_rls_bob', 'new manga'); + +RESET SESSION AUTHORIZATION; +-- drop the restrictive SELECT policy so that we can look at the +-- final state of the table +DROP POLICY p1 ON document; +-- Just check everything went per plan +SELECT * FROM document; + +-- +-- ROLE/GROUP +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE z1 (a int, b text); +CREATE TABLE z2 (a int, b text); + +GRANT SELECT ON z1,z2 TO regress_rls_group1, regress_rls_group2, + regress_rls_bob, regress_rls_carol; + +INSERT INTO z1 VALUES + (1, 'aba'), + (2, 'bbb'), + (3, 'ccc'), + (4, 'dad'); + +CREATE POLICY p1 ON z1 TO regress_rls_group1 USING (a % 2 = 0); +CREATE POLICY p2 ON z1 TO regress_rls_group2 USING (a % 2 = 1); + +ALTER TABLE z1 ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM z1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); + +PREPARE plancache_test AS SELECT * FROM z1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) EXECUTE plancache_test; + +PREPARE plancache_test2 AS WITH q AS MATERIALIZED (SELECT * FROM z1 WHERE f_leak(b)) SELECT * FROM q,z2; +EXPLAIN (COSTS OFF) EXECUTE plancache_test2; + +PREPARE plancache_test3 AS WITH q AS MATERIALIZED (SELECT * FROM z2) SELECT * FROM q,z1 WHERE f_leak(z1.b); +EXPLAIN (COSTS OFF) EXECUTE plancache_test3; + +SET ROLE regress_rls_group1; +SELECT * FROM z1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); + +EXPLAIN (COSTS OFF) EXECUTE plancache_test; +EXPLAIN (COSTS OFF) EXECUTE plancache_test2; +EXPLAIN (COSTS OFF) EXECUTE plancache_test3; + +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM z1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); + +EXPLAIN (COSTS OFF) EXECUTE plancache_test; +EXPLAIN (COSTS OFF) EXECUTE plancache_test2; +EXPLAIN (COSTS OFF) EXECUTE plancache_test3; + +SET ROLE regress_rls_group2; +SELECT * FROM z1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); + +EXPLAIN (COSTS OFF) EXECUTE plancache_test; +EXPLAIN (COSTS OFF) EXECUTE plancache_test2; +EXPLAIN (COSTS OFF) EXECUTE plancache_test3; + +-- +-- Views should follow policy for view owner. +-- +-- View and Table owner are the same. +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE VIEW rls_view AS SELECT * FROM z1 WHERE f_leak(b); +GRANT SELECT ON rls_view TO regress_rls_bob; + +-- Query as role that is not owner of view or table. Should return all records. +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Query as view/table owner. Should return all records. +SET SESSION AUTHORIZATION regress_rls_alice; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; +DROP VIEW rls_view; + +-- View and Table owners are different. +SET SESSION AUTHORIZATION regress_rls_bob; +CREATE VIEW rls_view AS SELECT * FROM z1 WHERE f_leak(b); +GRANT SELECT ON rls_view TO regress_rls_alice; + +-- Query as role that is not owner of view but is owner of table. +-- Should return records based on view owner policies. +SET SESSION AUTHORIZATION regress_rls_alice; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Query as role that is not owner of table but is owner of view. +-- Should return records based on view owner policies. +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Query as role that is not the owner of the table or view without permissions. +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; --fail - permission denied. +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; --fail - permission denied. + +-- Query as role that is not the owner of the table or view with permissions. +SET SESSION AUTHORIZATION regress_rls_bob; +GRANT SELECT ON rls_view TO regress_rls_carol; + +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Policy requiring access to another table. +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE z1_blacklist (a int); +INSERT INTO z1_blacklist VALUES (3), (4); +CREATE POLICY p3 ON z1 AS RESTRICTIVE USING (a NOT IN (SELECT a FROM z1_blacklist)); + +-- Query as role that is not owner of table but is owner of view without permissions. +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; --fail - permission denied. +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; --fail - permission denied. + +-- Query as role that is not the owner of the table or view without permissions. +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; --fail - permission denied. +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; --fail - permission denied. + +-- Query as role that is not owner of table but is owner of view with permissions. +SET SESSION AUTHORIZATION regress_rls_alice; +GRANT SELECT ON z1_blacklist TO regress_rls_bob; + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Query as role that is not the owner of the table or view with permissions. +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +SET SESSION AUTHORIZATION regress_rls_alice; +REVOKE SELECT ON z1_blacklist FROM regress_rls_bob; +DROP POLICY p3 ON z1; + +SET SESSION AUTHORIZATION regress_rls_bob; +DROP VIEW rls_view; + +-- +-- Security invoker views should follow policy for current user. +-- +-- View and table owner are the same. +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE VIEW rls_view WITH (security_invoker) AS + SELECT * FROM z1 WHERE f_leak(b); +GRANT SELECT ON rls_view TO regress_rls_bob; +GRANT SELECT ON rls_view TO regress_rls_carol; + +-- Query as table owner. Should return all records. +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Queries as other users. +-- Should return records based on current user's policies. +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- View and table owners are different. +SET SESSION AUTHORIZATION regress_rls_alice; +DROP VIEW rls_view; + +SET SESSION AUTHORIZATION regress_rls_bob; +CREATE VIEW rls_view WITH (security_invoker) AS + SELECT * FROM z1 WHERE f_leak(b); +GRANT SELECT ON rls_view TO regress_rls_alice; +GRANT SELECT ON rls_view TO regress_rls_carol; + +-- Query as table owner. Should return all records. +SET SESSION AUTHORIZATION regress_rls_alice; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Queries as other users. +-- Should return records based on current user's policies. +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Policy requiring access to another table. +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE POLICY p3 ON z1 AS RESTRICTIVE USING (a NOT IN (SELECT a FROM z1_blacklist)); + +-- Query as role that is not owner of table but is owner of view without permissions. +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; --fail - permission denied. +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; --fail - permission denied. + +-- Query as role that is not the owner of the table or view without permissions. +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; --fail - permission denied. +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; --fail - permission denied. + +-- Query as role that is not owner of table but is owner of view with permissions. +SET SESSION AUTHORIZATION regress_rls_alice; +GRANT SELECT ON z1_blacklist TO regress_rls_bob; + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +-- Query as role that is not the owner of the table or view without permissions. +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; --fail - permission denied. +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; --fail - permission denied. + +-- Query as role that is not the owner of the table or view with permissions. +SET SESSION AUTHORIZATION regress_rls_alice; +GRANT SELECT ON z1_blacklist TO regress_rls_carol; + +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM rls_view; +EXPLAIN (COSTS OFF) SELECT * FROM rls_view; + +SET SESSION AUTHORIZATION regress_rls_bob; +DROP VIEW rls_view; + +-- +-- Command specific +-- +SET SESSION AUTHORIZATION regress_rls_alice; + +CREATE TABLE x1 (a int, b text, c text); +GRANT ALL ON x1 TO PUBLIC; + +INSERT INTO x1 VALUES + (1, 'abc', 'regress_rls_bob'), + (2, 'bcd', 'regress_rls_bob'), + (3, 'cde', 'regress_rls_carol'), + (4, 'def', 'regress_rls_carol'), + (5, 'efg', 'regress_rls_bob'), + (6, 'fgh', 'regress_rls_bob'), + (7, 'fgh', 'regress_rls_carol'), + (8, 'fgh', 'regress_rls_carol'); + +CREATE POLICY p0 ON x1 FOR ALL USING (c = current_user); +CREATE POLICY p1 ON x1 FOR SELECT USING (a % 2 = 0); +CREATE POLICY p2 ON x1 FOR INSERT WITH CHECK (a % 2 = 1); +CREATE POLICY p3 ON x1 FOR UPDATE USING (a % 2 = 0); +CREATE POLICY p4 ON x1 FOR DELETE USING (a < 8); + +ALTER TABLE x1 ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM x1 WHERE f_leak(b) ORDER BY a ASC; +UPDATE x1 SET b = b || '_updt' WHERE f_leak(b) RETURNING *; + +SET SESSION AUTHORIZATION regress_rls_carol; +SELECT * FROM x1 WHERE f_leak(b) ORDER BY a ASC; +UPDATE x1 SET b = b || '_updt' WHERE f_leak(b) RETURNING *; +DELETE FROM x1 WHERE f_leak(b) RETURNING *; + +-- +-- Duplicate Policy Names +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE y1 (a int, b text); +CREATE TABLE y2 (a int, b text); + +GRANT ALL ON y1, y2 TO regress_rls_bob; + +CREATE POLICY p1 ON y1 FOR ALL USING (a % 2 = 0); +CREATE POLICY p2 ON y1 FOR SELECT USING (a > 2); +CREATE POLICY p1 ON y1 FOR SELECT USING (a % 2 = 1); --fail +CREATE POLICY p1 ON y2 FOR ALL USING (a % 2 = 0); --OK + +ALTER TABLE y1 ENABLE ROW LEVEL SECURITY; +ALTER TABLE y2 ENABLE ROW LEVEL SECURITY; + +-- +-- Expression structure with SBV +-- +-- Create view as table owner. RLS should NOT be applied. +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE VIEW rls_sbv WITH (security_barrier) AS + SELECT * FROM y1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM rls_sbv WHERE (a = 1); +DROP VIEW rls_sbv; + +-- Create view as role that does not own table. RLS should be applied. +SET SESSION AUTHORIZATION regress_rls_bob; +CREATE VIEW rls_sbv WITH (security_barrier) AS + SELECT * FROM y1 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM rls_sbv WHERE (a = 1); +DROP VIEW rls_sbv; + +-- +-- Expression structure +-- +SET SESSION AUTHORIZATION regress_rls_alice; +INSERT INTO y2 (SELECT x, public.fipshash(x::text) FROM generate_series(0,20) x); +CREATE POLICY p2 ON y2 USING (a % 3 = 0); +CREATE POLICY p3 ON y2 USING (a % 4 = 0); + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM y2 WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM y2 WHERE f_leak(b); + +-- +-- Qual push-down of leaky functions, when not referring to table +-- +SELECT * FROM y2 WHERE f_leak('abc'); +EXPLAIN (COSTS OFF) SELECT * FROM y2 WHERE f_leak('abc'); + +CREATE TABLE test_qual_pushdown ( + abc text +); + +INSERT INTO test_qual_pushdown VALUES ('abc'),('def'); + +SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(abc); +EXPLAIN (COSTS OFF) SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(abc); + +SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(b); +EXPLAIN (COSTS OFF) SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(b); + +DROP TABLE test_qual_pushdown; + +-- +-- Plancache invalidate on user change. +-- +RESET SESSION AUTHORIZATION; + +DROP TABLE t1 CASCADE; + +CREATE TABLE t1 (a integer); + +GRANT SELECT ON t1 TO regress_rls_bob, regress_rls_carol; + +CREATE POLICY p1 ON t1 TO regress_rls_bob USING ((a % 2) = 0); +CREATE POLICY p2 ON t1 TO regress_rls_carol USING ((a % 4) = 0); + +ALTER TABLE t1 ENABLE ROW LEVEL SECURITY; + +-- Prepare as regress_rls_bob +SET ROLE regress_rls_bob; +PREPARE role_inval AS SELECT * FROM t1; +-- Check plan +EXPLAIN (COSTS OFF) EXECUTE role_inval; + +-- Change to regress_rls_carol +SET ROLE regress_rls_carol; +-- Check plan- should be different +EXPLAIN (COSTS OFF) EXECUTE role_inval; + +-- Change back to regress_rls_bob +SET ROLE regress_rls_bob; +-- Check plan- should be back to original +EXPLAIN (COSTS OFF) EXECUTE role_inval; + +-- +-- CTE and RLS +-- +RESET SESSION AUTHORIZATION; +DROP TABLE t1 CASCADE; +CREATE TABLE t1 (a integer, b text); +CREATE POLICY p1 ON t1 USING (a % 2 = 0); + +ALTER TABLE t1 ENABLE ROW LEVEL SECURITY; + +GRANT ALL ON t1 TO regress_rls_bob; + +INSERT INTO t1 (SELECT x, public.fipshash(x::text) FROM generate_series(0,20) x); + +SET SESSION AUTHORIZATION regress_rls_bob; + +WITH cte1 AS MATERIALIZED (SELECT * FROM t1 WHERE f_leak(b)) SELECT * FROM cte1; +EXPLAIN (COSTS OFF) +WITH cte1 AS MATERIALIZED (SELECT * FROM t1 WHERE f_leak(b)) SELECT * FROM cte1; + +WITH cte1 AS (UPDATE t1 SET a = a + 1 RETURNING *) SELECT * FROM cte1; --fail +WITH cte1 AS (UPDATE t1 SET a = a RETURNING *) SELECT * FROM cte1; --ok + +WITH cte1 AS (INSERT INTO t1 VALUES (21, 'Fail') RETURNING *) SELECT * FROM cte1; --fail +WITH cte1 AS (INSERT INTO t1 VALUES (20, 'Success') RETURNING *) SELECT * FROM cte1; --ok + +-- +-- Rename Policy +-- +RESET SESSION AUTHORIZATION; +ALTER POLICY p1 ON t1 RENAME TO p1; --fail + +SELECT polname, relname + FROM pg_policy pol + JOIN pg_class pc ON (pc.oid = pol.polrelid) + WHERE relname = 't1'; + +ALTER POLICY p1 ON t1 RENAME TO p2; --ok + +SELECT polname, relname + FROM pg_policy pol + JOIN pg_class pc ON (pc.oid = pol.polrelid) + WHERE relname = 't1'; + +-- +-- Check INSERT SELECT +-- +SET SESSION AUTHORIZATION regress_rls_bob; +CREATE TABLE t2 (a integer, b text); +INSERT INTO t2 (SELECT * FROM t1); +EXPLAIN (COSTS OFF) INSERT INTO t2 (SELECT * FROM t1); +SELECT * FROM t2; +EXPLAIN (COSTS OFF) SELECT * FROM t2; +CREATE TABLE t3 AS SELECT * FROM t1; +SELECT * FROM t3; +SELECT * INTO t4 FROM t1; +SELECT * FROM t4; + +-- +-- RLS with JOIN +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE blog (id integer, author text, post text); +CREATE TABLE comment (blog_id integer, message text); + +GRANT ALL ON blog, comment TO regress_rls_bob; + +CREATE POLICY blog_1 ON blog USING (id % 2 = 0); + +ALTER TABLE blog ENABLE ROW LEVEL SECURITY; + +INSERT INTO blog VALUES + (1, 'alice', 'blog #1'), + (2, 'bob', 'blog #1'), + (3, 'alice', 'blog #2'), + (4, 'alice', 'blog #3'), + (5, 'john', 'blog #1'); + +INSERT INTO comment VALUES + (1, 'cool blog'), + (1, 'fun blog'), + (3, 'crazy blog'), + (5, 'what?'), + (4, 'insane!'), + (2, 'who did it?'); + +SET SESSION AUTHORIZATION regress_rls_bob; +-- Check RLS JOIN with Non-RLS. +SELECT id, author, message FROM blog JOIN comment ON id = blog_id; +-- Check Non-RLS JOIN with RLS. +SELECT id, author, message FROM comment JOIN blog ON id = blog_id; + +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE POLICY comment_1 ON comment USING (blog_id < 4); + +ALTER TABLE comment ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; +-- Check RLS JOIN RLS +SELECT id, author, message FROM blog JOIN comment ON id = blog_id; +SELECT id, author, message FROM comment JOIN blog ON id = blog_id; + +SET SESSION AUTHORIZATION regress_rls_alice; +DROP TABLE blog, comment; + +-- +-- Default Deny Policy +-- +RESET SESSION AUTHORIZATION; +DROP POLICY p2 ON t1; +ALTER TABLE t1 OWNER TO regress_rls_alice; + +-- Check that default deny does not apply to superuser. +RESET SESSION AUTHORIZATION; +SELECT * FROM t1; +EXPLAIN (COSTS OFF) SELECT * FROM t1; + +-- Check that default deny does not apply to table owner. +SET SESSION AUTHORIZATION regress_rls_alice; +SELECT * FROM t1; +EXPLAIN (COSTS OFF) SELECT * FROM t1; + +-- Check that default deny applies to non-owner/non-superuser when RLS on. +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO ON; +SELECT * FROM t1; +EXPLAIN (COSTS OFF) SELECT * FROM t1; +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM t1; +EXPLAIN (COSTS OFF) SELECT * FROM t1; + +-- +-- COPY TO/FROM +-- + +RESET SESSION AUTHORIZATION; +DROP TABLE copy_t CASCADE; +CREATE TABLE copy_t (a integer, b text); +CREATE POLICY p1 ON copy_t USING (a % 2 = 0); + +ALTER TABLE copy_t ENABLE ROW LEVEL SECURITY; + +GRANT ALL ON copy_t TO regress_rls_bob, regress_rls_exempt_user; + +INSERT INTO copy_t (SELECT x, public.fipshash(x::text) FROM generate_series(0,10) x); + +-- Check COPY TO as Superuser/owner. +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; +SET row_security TO ON; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; + +-- Check COPY TO as user with permissions. +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO OFF; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --fail - would be affected by RLS +SET row_security TO ON; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --ok + +-- Check COPY TO as user with permissions and BYPASSRLS +SET SESSION AUTHORIZATION regress_rls_exempt_user; +SET row_security TO OFF; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --ok +SET row_security TO ON; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --ok + +-- Check COPY TO as user without permissions. SET row_security TO OFF; +SET SESSION AUTHORIZATION regress_rls_carol; +SET row_security TO OFF; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --fail - would be affected by RLS +SET row_security TO ON; +COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --fail - permission denied + +-- Check COPY relation TO; keep it just one row to avoid reordering issues +RESET SESSION AUTHORIZATION; +SET row_security TO ON; +CREATE TABLE copy_rel_to (a integer, b text); +CREATE POLICY p1 ON copy_rel_to USING (a % 2 = 0); + +ALTER TABLE copy_rel_to ENABLE ROW LEVEL SECURITY; + +GRANT ALL ON copy_rel_to TO regress_rls_bob, regress_rls_exempt_user; + +INSERT INTO copy_rel_to VALUES (1, public.fipshash('1')); + +-- Check COPY TO as Superuser/owner. +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; + +-- Check COPY TO as user with permissions. +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - would be affected by RLS +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok + +-- Check COPY TO as user with permissions and BYPASSRLS +SET SESSION AUTHORIZATION regress_rls_exempt_user; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok + +-- Check COPY TO as user without permissions. SET row_security TO OFF; +SET SESSION AUTHORIZATION regress_rls_carol; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - permission denied +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - permission denied + +-- Check behavior with a child table. +RESET SESSION AUTHORIZATION; +SET row_security TO ON; +CREATE TABLE copy_rel_to_child () INHERITS (copy_rel_to); +INSERT INTO copy_rel_to_child VALUES (1, 'one'), (2, 'two'); + +-- Check COPY TO as Superuser/owner. +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; + +-- Check COPY TO as user with permissions. +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - would be affected by RLS +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok + +-- Check COPY TO as user with permissions and BYPASSRLS +SET SESSION AUTHORIZATION regress_rls_exempt_user; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok + +-- Check COPY TO as user without permissions. SET row_security TO OFF; +SET SESSION AUTHORIZATION regress_rls_carol; +SET row_security TO OFF; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - permission denied +SET row_security TO ON; +COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - permission denied + +-- Check COPY FROM as Superuser/owner. +RESET SESSION AUTHORIZATION; +SET row_security TO OFF; +COPY copy_t FROM STDIN; --ok +1 abc +2 bcd +3 cde +4 def +\. +SET row_security TO ON; +COPY copy_t FROM STDIN; --ok +1 abc +2 bcd +3 cde +4 def +\. + +-- Check COPY FROM as user with permissions. +SET SESSION AUTHORIZATION regress_rls_bob; +SET row_security TO OFF; +COPY copy_t FROM STDIN; --fail - would be affected by RLS. +SET row_security TO ON; +COPY copy_t FROM STDIN; --fail - COPY FROM not supported by RLS. + +-- Check COPY FROM as user with permissions and BYPASSRLS +SET SESSION AUTHORIZATION regress_rls_exempt_user; +SET row_security TO ON; +COPY copy_t FROM STDIN; --ok +1 abc +2 bcd +3 cde +4 def +\. + +-- Check COPY FROM as user without permissions. +SET SESSION AUTHORIZATION regress_rls_carol; +SET row_security TO OFF; +COPY copy_t FROM STDIN; --fail - permission denied. +SET row_security TO ON; +COPY copy_t FROM STDIN; --fail - permission denied. + +RESET SESSION AUTHORIZATION; +DROP TABLE copy_t; +DROP TABLE copy_rel_to CASCADE; + +-- Check WHERE CURRENT OF +SET SESSION AUTHORIZATION regress_rls_alice; + +CREATE TABLE current_check (currentid int, payload text, rlsuser text); +GRANT ALL ON current_check TO PUBLIC; + +INSERT INTO current_check VALUES + (1, 'abc', 'regress_rls_bob'), + (2, 'bcd', 'regress_rls_bob'), + (3, 'cde', 'regress_rls_bob'), + (4, 'def', 'regress_rls_bob'); + +CREATE POLICY p1 ON current_check FOR SELECT USING (currentid % 2 = 0); +CREATE POLICY p2 ON current_check FOR DELETE USING (currentid = 4 AND rlsuser = current_user); +CREATE POLICY p3 ON current_check FOR UPDATE USING (currentid = 4) WITH CHECK (rlsuser = current_user); + +ALTER TABLE current_check ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; + +-- Can SELECT even rows +SELECT * FROM current_check; + +-- Cannot UPDATE row 2 +UPDATE current_check SET payload = payload || '_new' WHERE currentid = 2 RETURNING *; + +BEGIN; + +DECLARE current_check_cursor SCROLL CURSOR FOR SELECT * FROM current_check; +-- Returns rows that can be seen according to SELECT policy, like plain SELECT +-- above (even rows) +FETCH ABSOLUTE 1 FROM current_check_cursor; +-- Still cannot UPDATE row 2 through cursor +UPDATE current_check SET payload = payload || '_new' WHERE CURRENT OF current_check_cursor RETURNING *; +-- Can update row 4 through cursor, which is the next visible row +FETCH RELATIVE 1 FROM current_check_cursor; +UPDATE current_check SET payload = payload || '_new' WHERE CURRENT OF current_check_cursor RETURNING *; +SELECT * FROM current_check; +-- Plan should be a subquery TID scan +EXPLAIN (COSTS OFF) UPDATE current_check SET payload = payload WHERE CURRENT OF current_check_cursor; +-- Similarly can only delete row 4 +FETCH ABSOLUTE 1 FROM current_check_cursor; +DELETE FROM current_check WHERE CURRENT OF current_check_cursor RETURNING *; +FETCH RELATIVE 1 FROM current_check_cursor; +DELETE FROM current_check WHERE CURRENT OF current_check_cursor RETURNING *; +SELECT * FROM current_check; + +COMMIT; + +-- +-- check pg_stats view filtering +-- +SET row_security TO ON; +SET SESSION AUTHORIZATION regress_rls_alice; +ANALYZE current_check; +-- Stats visible +SELECT row_security_active('current_check'); +SELECT attname, most_common_vals FROM pg_stats + WHERE tablename = 'current_check' + ORDER BY 1; + +SET SESSION AUTHORIZATION regress_rls_bob; +-- Stats not visible +SELECT row_security_active('current_check'); +SELECT attname, most_common_vals FROM pg_stats + WHERE tablename = 'current_check' + ORDER BY 1; + +-- +-- Collation support +-- +BEGIN; +CREATE TABLE coll_t (c) AS VALUES ('bar'::text); +CREATE POLICY coll_p ON coll_t USING (c < ('foo'::text COLLATE "C")); +ALTER TABLE coll_t ENABLE ROW LEVEL SECURITY; +GRANT SELECT ON coll_t TO regress_rls_alice; +SELECT (string_to_array(polqual, ':'))[7] AS inputcollid FROM pg_policy WHERE polrelid = 'coll_t'::regclass; +SET SESSION AUTHORIZATION regress_rls_alice; +SELECT * FROM coll_t; +ROLLBACK; + +-- +-- Shared Object Dependencies +-- +RESET SESSION AUTHORIZATION; +BEGIN; +CREATE ROLE regress_rls_eve; +CREATE ROLE regress_rls_frank; +CREATE TABLE tbl1 (c) AS VALUES ('bar'::text); +GRANT SELECT ON TABLE tbl1 TO regress_rls_eve; +CREATE POLICY P ON tbl1 TO regress_rls_eve, regress_rls_frank USING (true); +SELECT refclassid::regclass, deptype + FROM pg_depend + WHERE classid = 'pg_policy'::regclass + AND refobjid = 'tbl1'::regclass; +SELECT refclassid::regclass, deptype + FROM pg_shdepend + WHERE classid = 'pg_policy'::regclass + AND refobjid IN ('regress_rls_eve'::regrole, 'regress_rls_frank'::regrole); + +SAVEPOINT q; +DROP ROLE regress_rls_eve; --fails due to dependency on POLICY p +ROLLBACK TO q; + +ALTER POLICY p ON tbl1 TO regress_rls_frank USING (true); +SAVEPOINT q; +DROP ROLE regress_rls_eve; --fails due to dependency on GRANT SELECT +ROLLBACK TO q; + +REVOKE ALL ON TABLE tbl1 FROM regress_rls_eve; +SAVEPOINT q; +DROP ROLE regress_rls_eve; --succeeds +ROLLBACK TO q; + +SAVEPOINT q; +DROP ROLE regress_rls_frank; --fails due to dependency on POLICY p +ROLLBACK TO q; + +DROP POLICY p ON tbl1; +SAVEPOINT q; +DROP ROLE regress_rls_frank; -- succeeds +ROLLBACK TO q; + +ROLLBACK; -- cleanup + +-- +-- Policy expression handling +-- +BEGIN; +CREATE TABLE t (c) AS VALUES ('bar'::text); +CREATE POLICY p ON t USING (max(c)); -- fails: aggregate functions are not allowed in policy expressions +ROLLBACK; + +-- +-- Non-target relations are only subject to SELECT policies +-- +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE r1 (a int); +CREATE TABLE r2 (a int); +INSERT INTO r1 VALUES (10), (20); +INSERT INTO r2 VALUES (10), (20); + +GRANT ALL ON r1, r2 TO regress_rls_bob; + +CREATE POLICY p1 ON r1 USING (true); +ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; + +CREATE POLICY p1 ON r2 FOR SELECT USING (true); +CREATE POLICY p2 ON r2 FOR INSERT WITH CHECK (false); +CREATE POLICY p3 ON r2 FOR UPDATE USING (false); +CREATE POLICY p4 ON r2 FOR DELETE USING (false); +ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; + +SET SESSION AUTHORIZATION regress_rls_bob; +SELECT * FROM r1; +SELECT * FROM r2; + +-- r2 is read-only +INSERT INTO r2 VALUES (2); -- Not allowed +UPDATE r2 SET a = 2 RETURNING *; -- Updates nothing +DELETE FROM r2 RETURNING *; -- Deletes nothing + +-- r2 can be used as a non-target relation in DML +INSERT INTO r1 SELECT a + 1 FROM r2 RETURNING *; -- OK +UPDATE r1 SET a = r2.a + 2 FROM r2 WHERE r1.a = r2.a RETURNING *; -- OK +DELETE FROM r1 USING r2 WHERE r1.a = r2.a + 2 RETURNING *; -- OK +SELECT * FROM r1; +SELECT * FROM r2; + +SET SESSION AUTHORIZATION regress_rls_alice; +DROP TABLE r1; +DROP TABLE r2; + +-- +-- FORCE ROW LEVEL SECURITY applies RLS to owners too +-- +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security = on; +CREATE TABLE r1 (a int); +INSERT INTO r1 VALUES (10), (20); + +CREATE POLICY p1 ON r1 USING (false); +ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; +ALTER TABLE r1 FORCE ROW LEVEL SECURITY; + +-- No error, but no rows +TABLE r1; + +-- RLS error +INSERT INTO r1 VALUES (1); + +-- No error (unable to see any rows to update) +UPDATE r1 SET a = 1; +TABLE r1; + +-- No error (unable to see any rows to delete) +DELETE FROM r1; +TABLE r1; + +SET row_security = off; +-- these all fail, would be affected by RLS +TABLE r1; +UPDATE r1 SET a = 1; +DELETE FROM r1; + +DROP TABLE r1; + +-- +-- FORCE ROW LEVEL SECURITY does not break RI +-- +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security = on; +CREATE TABLE r1 (a int PRIMARY KEY); +CREATE TABLE r2 (a int REFERENCES r1); +INSERT INTO r1 VALUES (10), (20); +INSERT INTO r2 VALUES (10), (20); + +-- Create policies on r2 which prevent the +-- owner from seeing any rows, but RI should +-- still see them. +CREATE POLICY p1 ON r2 USING (false); +ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; +ALTER TABLE r2 FORCE ROW LEVEL SECURITY; + +-- Errors due to rows in r2 +DELETE FROM r1; + +-- Reset r2 to no-RLS +DROP POLICY p1 ON r2; +ALTER TABLE r2 NO FORCE ROW LEVEL SECURITY; +ALTER TABLE r2 DISABLE ROW LEVEL SECURITY; + +-- clean out r2 for INSERT test below +DELETE FROM r2; + +-- Change r1 to not allow rows to be seen +CREATE POLICY p1 ON r1 USING (false); +ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; +ALTER TABLE r1 FORCE ROW LEVEL SECURITY; + +-- No rows seen +TABLE r1; + +-- No error, RI still sees that row exists in r1 +INSERT INTO r2 VALUES (10); + +DROP TABLE r2; +DROP TABLE r1; + +-- Ensure cascaded DELETE works +CREATE TABLE r1 (a int PRIMARY KEY); +CREATE TABLE r2 (a int REFERENCES r1 ON DELETE CASCADE); +INSERT INTO r1 VALUES (10), (20); +INSERT INTO r2 VALUES (10), (20); + +-- Create policies on r2 which prevent the +-- owner from seeing any rows, but RI should +-- still see them. +CREATE POLICY p1 ON r2 USING (false); +ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; +ALTER TABLE r2 FORCE ROW LEVEL SECURITY; + +-- Deletes all records from both +DELETE FROM r1; + +-- Remove FORCE from r2 +ALTER TABLE r2 NO FORCE ROW LEVEL SECURITY; + +-- As owner, we now bypass RLS +-- verify no rows in r2 now +TABLE r2; + +DROP TABLE r2; +DROP TABLE r1; + +-- Ensure cascaded UPDATE works +CREATE TABLE r1 (a int PRIMARY KEY); +CREATE TABLE r2 (a int REFERENCES r1 ON UPDATE CASCADE); +INSERT INTO r1 VALUES (10), (20); +INSERT INTO r2 VALUES (10), (20); + +-- Create policies on r2 which prevent the +-- owner from seeing any rows, but RI should +-- still see them. +CREATE POLICY p1 ON r2 USING (false); +ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; +ALTER TABLE r2 FORCE ROW LEVEL SECURITY; + +-- Updates records in both +UPDATE r1 SET a = a+5; + +-- Remove FORCE from r2 +ALTER TABLE r2 NO FORCE ROW LEVEL SECURITY; + +-- As owner, we now bypass RLS +-- verify records in r2 updated +TABLE r2; + +DROP TABLE r2; +DROP TABLE r1; + +-- +-- Test INSERT+RETURNING applies SELECT policies as +-- WithCheckOptions (meaning an error is thrown) +-- +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security = on; +CREATE TABLE r1 (a int); + +CREATE POLICY p1 ON r1 FOR SELECT USING (false); +CREATE POLICY p2 ON r1 FOR INSERT WITH CHECK (true); +ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; +ALTER TABLE r1 FORCE ROW LEVEL SECURITY; + +-- Works fine +INSERT INTO r1 VALUES (10), (20); + +-- No error, but no rows +TABLE r1; + +SET row_security = off; +-- fail, would be affected by RLS +TABLE r1; + +SET row_security = on; + +-- Error +INSERT INTO r1 VALUES (10), (20) RETURNING *; + +DROP TABLE r1; + +-- +-- Test UPDATE+RETURNING applies SELECT policies as +-- WithCheckOptions (meaning an error is thrown) +-- +SET SESSION AUTHORIZATION regress_rls_alice; +SET row_security = on; +CREATE TABLE r1 (a int PRIMARY KEY); + +CREATE POLICY p1 ON r1 FOR SELECT USING (a < 20); +CREATE POLICY p2 ON r1 FOR UPDATE USING (a < 20) WITH CHECK (true); +CREATE POLICY p3 ON r1 FOR INSERT WITH CHECK (true); +INSERT INTO r1 VALUES (10); +ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; +ALTER TABLE r1 FORCE ROW LEVEL SECURITY; + +-- Works fine +UPDATE r1 SET a = 30; + +-- Show updated rows +ALTER TABLE r1 NO FORCE ROW LEVEL SECURITY; +TABLE r1; +-- reset value in r1 for test with RETURNING +UPDATE r1 SET a = 10; + +-- Verify row reset +TABLE r1; + +ALTER TABLE r1 FORCE ROW LEVEL SECURITY; + +-- Error +UPDATE r1 SET a = 30 RETURNING *; + +-- UPDATE path of INSERT ... ON CONFLICT DO UPDATE should also error out +INSERT INTO r1 VALUES (10) + ON CONFLICT (a) DO UPDATE SET a = 30 RETURNING *; + +-- Should still error out without RETURNING (use of arbiter always requires +-- SELECT permissions) +INSERT INTO r1 VALUES (10) + ON CONFLICT (a) DO UPDATE SET a = 30; +INSERT INTO r1 VALUES (10) + ON CONFLICT ON CONSTRAINT r1_pkey DO UPDATE SET a = 30; + +DROP TABLE r1; + +-- Check dependency handling +RESET SESSION AUTHORIZATION; +CREATE TABLE dep1 (c1 int); +CREATE TABLE dep2 (c1 int); + +CREATE POLICY dep_p1 ON dep1 TO regress_rls_bob USING (c1 > (select max(dep2.c1) from dep2)); +ALTER POLICY dep_p1 ON dep1 TO regress_rls_bob,regress_rls_carol; + +-- Should return one +SELECT count(*) = 1 FROM pg_depend + WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') + AND refobjid = (SELECT oid FROM pg_class WHERE relname = 'dep2'); + +ALTER POLICY dep_p1 ON dep1 USING (true); + +-- Should return one +SELECT count(*) = 1 FROM pg_shdepend + WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') + AND refobjid = (SELECT oid FROM pg_authid WHERE rolname = 'regress_rls_bob'); + +-- Should return one +SELECT count(*) = 1 FROM pg_shdepend + WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') + AND refobjid = (SELECT oid FROM pg_authid WHERE rolname = 'regress_rls_carol'); + +-- Should return zero +SELECT count(*) = 0 FROM pg_depend + WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') + AND refobjid = (SELECT oid FROM pg_class WHERE relname = 'dep2'); + +-- DROP OWNED BY testing +RESET SESSION AUTHORIZATION; + +CREATE ROLE regress_rls_dob_role1; +CREATE ROLE regress_rls_dob_role2; + +CREATE TABLE dob_t1 (c1 int); +CREATE TABLE dob_t2 (c1 int) PARTITION BY RANGE (c1); + +CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1 USING (true); +DROP OWNED BY regress_rls_dob_role1; +DROP POLICY p1 ON dob_t1; -- should fail, already gone + +CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1,regress_rls_dob_role2 USING (true); +DROP OWNED BY regress_rls_dob_role1; +DROP POLICY p1 ON dob_t1; -- should succeed + +-- same cases with duplicate polroles entries +CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1,regress_rls_dob_role1 USING (true); +DROP OWNED BY regress_rls_dob_role1; +DROP POLICY p1 ON dob_t1; -- should fail, already gone + +CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1,regress_rls_dob_role1,regress_rls_dob_role2 USING (true); +DROP OWNED BY regress_rls_dob_role1; +DROP POLICY p1 ON dob_t1; -- should succeed + +-- partitioned target +CREATE POLICY p1 ON dob_t2 TO regress_rls_dob_role1,regress_rls_dob_role2 USING (true); +DROP OWNED BY regress_rls_dob_role1; +DROP POLICY p1 ON dob_t2; -- should succeed + +DROP USER regress_rls_dob_role1; +DROP USER regress_rls_dob_role2; + +-- Bug #15708: view + table with RLS should check policies as view owner +CREATE TABLE ref_tbl (a int); +INSERT INTO ref_tbl VALUES (1); + +CREATE TABLE rls_tbl (a int); +INSERT INTO rls_tbl VALUES (10); +ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; +CREATE POLICY p1 ON rls_tbl USING (EXISTS (SELECT 1 FROM ref_tbl)); + +GRANT SELECT ON ref_tbl TO regress_rls_bob; +GRANT SELECT ON rls_tbl TO regress_rls_bob; + +CREATE VIEW rls_view AS SELECT * FROM rls_tbl; +ALTER VIEW rls_view OWNER TO regress_rls_bob; +GRANT SELECT ON rls_view TO regress_rls_alice; + +SET SESSION AUTHORIZATION regress_rls_alice; +SELECT * FROM ref_tbl; -- Permission denied +SELECT * FROM rls_tbl; -- Permission denied +SELECT * FROM rls_view; -- OK +RESET SESSION AUTHORIZATION; + +DROP VIEW rls_view; +DROP TABLE rls_tbl; +DROP TABLE ref_tbl; + +-- Leaky operator test +CREATE TABLE rls_tbl (a int); +INSERT INTO rls_tbl SELECT x/10 FROM generate_series(1, 100) x; +ANALYZE rls_tbl; + +ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; +GRANT SELECT ON rls_tbl TO regress_rls_alice; + +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE FUNCTION op_leak(int, int) RETURNS bool + AS 'BEGIN RAISE NOTICE ''op_leak => %, %'', $1, $2; RETURN $1 < $2; END' + LANGUAGE plpgsql; +CREATE OPERATOR <<< (procedure = op_leak, leftarg = int, rightarg = int, + restrict = scalarltsel); +SELECT * FROM rls_tbl WHERE a <<< 1000; +DROP OPERATOR <<< (int, int); +DROP FUNCTION op_leak(int, int); +RESET SESSION AUTHORIZATION; +DROP TABLE rls_tbl; + +-- Bug #16006: whole-row Vars in a policy don't play nice with sub-selects +SET SESSION AUTHORIZATION regress_rls_alice; +CREATE TABLE rls_tbl (a int, b int, c int); +CREATE POLICY p1 ON rls_tbl USING (rls_tbl >= ROW(1,1,1)); + +ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; +ALTER TABLE rls_tbl FORCE ROW LEVEL SECURITY; + +INSERT INTO rls_tbl SELECT 10, 20, 30; +EXPLAIN (VERBOSE, COSTS OFF) +INSERT INTO rls_tbl + SELECT * FROM (SELECT b, c FROM rls_tbl ORDER BY a) ss; +INSERT INTO rls_tbl + SELECT * FROM (SELECT b, c FROM rls_tbl ORDER BY a) ss; +SELECT * FROM rls_tbl; + +DROP TABLE rls_tbl; +RESET SESSION AUTHORIZATION; + +-- CVE-2023-2455: inlining an SRF may introduce an RLS dependency +create table rls_t (c text); +insert into rls_t values ('invisible to bob'); +alter table rls_t enable row level security; +grant select on rls_t to regress_rls_alice, regress_rls_bob; +create policy p1 on rls_t for select to regress_rls_alice using (true); +create policy p2 on rls_t for select to regress_rls_bob using (false); +create function rls_f () returns setof rls_t + stable language sql + as $$ select * from rls_t $$; +prepare q as select current_user, * from rls_f(); +set role regress_rls_alice; +execute q; +set role regress_rls_bob; +execute q; + +RESET ROLE; +DROP FUNCTION rls_f(); +DROP TABLE rls_t; + +-- +-- Clean up objects +-- +RESET SESSION AUTHORIZATION; + +DROP SCHEMA regress_rls_schema CASCADE; + +DROP USER regress_rls_alice; +DROP USER regress_rls_bob; +DROP USER regress_rls_carol; +DROP USER regress_rls_dave; +DROP USER regress_rls_exempt_user; +DROP ROLE regress_rls_group1; +DROP ROLE regress_rls_group2; + +-- Arrange to have a few policies left over, for testing +-- pg_dump/pg_restore +CREATE SCHEMA regress_rls_schema; +CREATE TABLE rls_tbl (c1 int); +ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; +CREATE POLICY p1 ON rls_tbl USING (c1 > 5); +CREATE POLICY p2 ON rls_tbl FOR SELECT USING (c1 <= 3); +CREATE POLICY p3 ON rls_tbl FOR UPDATE USING (c1 <= 3) WITH CHECK (c1 > 5); +CREATE POLICY p4 ON rls_tbl FOR DELETE USING (c1 <= 3); + +CREATE TABLE rls_tbl_force (c1 int); +ALTER TABLE rls_tbl_force ENABLE ROW LEVEL SECURITY; +ALTER TABLE rls_tbl_force FORCE ROW LEVEL SECURITY; +CREATE POLICY p1 ON rls_tbl_force USING (c1 = 5) WITH CHECK (c1 < 5); +CREATE POLICY p2 ON rls_tbl_force FOR SELECT USING (c1 = 8); +CREATE POLICY p3 ON rls_tbl_force FOR UPDATE USING (c1 = 8) WITH CHECK (c1 >= 5); +CREATE POLICY p4 ON rls_tbl_force FOR DELETE USING (c1 = 8); |