1-- 2-- Test of Row-level security feature 3-- 4 5-- Clean up in case a prior regression run failed 6 7-- Suppress NOTICE messages when users/groups don't exist 8SET client_min_messages TO 'warning'; 9 10DROP USER IF EXISTS regress_rls_alice; 11DROP USER IF EXISTS regress_rls_bob; 12DROP USER IF EXISTS regress_rls_carol; 13DROP USER IF EXISTS regress_rls_dave; 14DROP USER IF EXISTS regress_rls_exempt_user; 15DROP ROLE IF EXISTS regress_rls_group1; 16DROP ROLE IF EXISTS regress_rls_group2; 17 18DROP SCHEMA IF EXISTS regress_rls_schema CASCADE; 19 20RESET client_min_messages; 21 22-- initial setup 23CREATE USER regress_rls_alice NOLOGIN; 24CREATE USER regress_rls_bob NOLOGIN; 25CREATE USER regress_rls_carol NOLOGIN; 26CREATE USER regress_rls_dave NOLOGIN; 27CREATE USER regress_rls_exempt_user BYPASSRLS NOLOGIN; 28CREATE ROLE regress_rls_group1 NOLOGIN; 29CREATE ROLE regress_rls_group2 NOLOGIN; 30 31GRANT regress_rls_group1 TO regress_rls_bob; 32GRANT regress_rls_group2 TO regress_rls_carol; 33 34CREATE SCHEMA regress_rls_schema; 35GRANT ALL ON SCHEMA regress_rls_schema to public; 36SET search_path = regress_rls_schema; 37 38-- setup of malicious function 39CREATE OR REPLACE FUNCTION f_leak(text) RETURNS bool 40 COST 0.0000001 LANGUAGE plpgsql 41 AS 'BEGIN RAISE NOTICE ''f_leak => %'', $1; RETURN true; END'; 42GRANT EXECUTE ON FUNCTION f_leak(text) TO public; 43 44-- BASIC Row-Level Security Scenario 45 46SET SESSION AUTHORIZATION regress_rls_alice; 47CREATE TABLE uaccount ( 48 pguser name primary key, 49 seclv int 50); 51GRANT SELECT ON uaccount TO public; 52INSERT INTO uaccount VALUES 53 ('regress_rls_alice', 99), 54 ('regress_rls_bob', 1), 55 ('regress_rls_carol', 2), 56 ('regress_rls_dave', 3); 57 58CREATE TABLE category ( 59 cid int primary key, 60 cname text 61); 62GRANT ALL ON category TO public; 63INSERT INTO category VALUES 64 (11, 'novel'), 65 (22, 'science fiction'), 66 (33, 'technology'), 67 (44, 'manga'); 68 69CREATE TABLE document ( 70 did int primary key, 71 cid int references category(cid), 72 dlevel int not null, 73 dauthor name, 74 dtitle text 75); 76GRANT ALL ON document TO public; 77INSERT INTO document VALUES 78 ( 1, 11, 1, 'regress_rls_bob', 'my first novel'), 79 ( 2, 11, 2, 'regress_rls_bob', 'my second novel'), 80 ( 3, 22, 2, 'regress_rls_bob', 'my science fiction'), 81 ( 4, 44, 1, 'regress_rls_bob', 'my first manga'), 82 ( 5, 44, 2, 'regress_rls_bob', 'my second manga'), 83 ( 6, 22, 1, 'regress_rls_carol', 'great science fiction'), 84 ( 7, 33, 2, 'regress_rls_carol', 'great technology book'), 85 ( 8, 44, 1, 'regress_rls_carol', 'great manga'), 86 ( 9, 22, 1, 'regress_rls_dave', 'awesome science fiction'), 87 (10, 33, 2, 'regress_rls_dave', 'awesome technology book'); 88 89ALTER TABLE document ENABLE ROW LEVEL SECURITY; 90 91-- user's security level must be higher than or equal to document's 92CREATE POLICY p1 ON document AS PERMISSIVE 93 USING (dlevel <= (SELECT seclv FROM uaccount WHERE pguser = current_user)); 94 95-- try to create a policy of bogus type 96CREATE POLICY p1 ON document AS UGLY 97 USING (dlevel <= (SELECT seclv FROM uaccount WHERE pguser = current_user)); 98 99-- but Dave isn't allowed to anything at cid 50 or above 100-- this is to make sure that we sort the policies by name first 101-- when applying WITH CHECK, a later INSERT by Dave should fail due 102-- to p1r first 103CREATE POLICY p2r ON document AS RESTRICTIVE TO regress_rls_dave 104 USING (cid <> 44 AND cid < 50); 105 106-- and Dave isn't allowed to see manga documents 107CREATE POLICY p1r ON document AS RESTRICTIVE TO regress_rls_dave 108 USING (cid <> 44); 109 110\dp 111\d document 112SELECT * FROM pg_policies WHERE schemaname = 'regress_rls_schema' AND tablename = 'document' ORDER BY policyname; 113 114-- viewpoint from regress_rls_bob 115SET SESSION AUTHORIZATION regress_rls_bob; 116SET row_security TO ON; 117SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; 118SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER BY did; 119 120-- try a sampled version 121SELECT * FROM document TABLESAMPLE BERNOULLI(50) REPEATABLE(0) 122 WHERE f_leak(dtitle) ORDER BY did; 123 124-- viewpoint from regress_rls_carol 125SET SESSION AUTHORIZATION regress_rls_carol; 126SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; 127SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER BY did; 128 129-- try a sampled version 130SELECT * FROM document TABLESAMPLE BERNOULLI(50) REPEATABLE(0) 131 WHERE f_leak(dtitle) ORDER BY did; 132 133EXPLAIN (COSTS OFF) SELECT * FROM document WHERE f_leak(dtitle); 134EXPLAIN (COSTS OFF) SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle); 135 136-- viewpoint from regress_rls_dave 137SET SESSION AUTHORIZATION regress_rls_dave; 138SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; 139SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER BY did; 140 141EXPLAIN (COSTS OFF) SELECT * FROM document WHERE f_leak(dtitle); 142EXPLAIN (COSTS OFF) SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle); 143 144-- 44 would technically fail for both p2r and p1r, but we should get an error 145-- back from p1r for this because it sorts first 146INSERT INTO document VALUES (100, 44, 1, 'regress_rls_dave', 'testing sorting of policies'); -- fail 147-- Just to see a p2r error 148INSERT INTO document VALUES (100, 55, 1, 'regress_rls_dave', 'testing sorting of policies'); -- fail 149 150-- only owner can change policies 151ALTER POLICY p1 ON document USING (true); --fail 152DROP POLICY p1 ON document; --fail 153 154SET SESSION AUTHORIZATION regress_rls_alice; 155ALTER POLICY p1 ON document USING (dauthor = current_user); 156 157-- viewpoint from regress_rls_bob again 158SET SESSION AUTHORIZATION regress_rls_bob; 159SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; 160SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER by did; 161 162-- viewpoint from rls_regres_carol again 163SET SESSION AUTHORIZATION regress_rls_carol; 164SELECT * FROM document WHERE f_leak(dtitle) ORDER BY did; 165SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle) ORDER by did; 166 167EXPLAIN (COSTS OFF) SELECT * FROM document WHERE f_leak(dtitle); 168EXPLAIN (COSTS OFF) SELECT * FROM document NATURAL JOIN category WHERE f_leak(dtitle); 169 170-- interaction of FK/PK constraints 171SET SESSION AUTHORIZATION regress_rls_alice; 172CREATE POLICY p2 ON category 173 USING (CASE WHEN current_user = 'regress_rls_bob' THEN cid IN (11, 33) 174 WHEN current_user = 'regress_rls_carol' THEN cid IN (22, 44) 175 ELSE false END); 176 177ALTER TABLE category ENABLE ROW LEVEL SECURITY; 178 179-- cannot delete PK referenced by invisible FK 180SET SESSION AUTHORIZATION regress_rls_bob; 181SELECT * FROM document d FULL OUTER JOIN category c on d.cid = c.cid ORDER BY d.did, c.cid; 182DELETE FROM category WHERE cid = 33; -- fails with FK violation 183 184-- can insert FK referencing invisible PK 185SET SESSION AUTHORIZATION regress_rls_carol; 186SELECT * FROM document d FULL OUTER JOIN category c on d.cid = c.cid ORDER BY d.did, c.cid; 187INSERT INTO document VALUES (11, 33, 1, current_user, 'hoge'); 188 189-- UNIQUE or PRIMARY KEY constraint violation DOES reveal presence of row 190SET SESSION AUTHORIZATION regress_rls_bob; 191INSERT 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 192SELECT * FROM document WHERE did = 8; -- and confirm we can't see it 193 194-- RLS policies are checked before constraints 195INSERT INTO document VALUES (8, 44, 1, 'regress_rls_carol', 'my third manga'); -- Should fail with RLS check violation, not duplicate key violation 196UPDATE document SET did = 8, dauthor = 'regress_rls_carol' WHERE did = 5; -- Should fail with RLS check violation, not duplicate key violation 197 198-- database superuser does bypass RLS policy when enabled 199RESET SESSION AUTHORIZATION; 200SET row_security TO ON; 201SELECT * FROM document; 202SELECT * FROM category; 203 204-- database superuser does bypass RLS policy when disabled 205RESET SESSION AUTHORIZATION; 206SET row_security TO OFF; 207SELECT * FROM document; 208SELECT * FROM category; 209 210-- database non-superuser with bypass privilege can bypass RLS policy when disabled 211SET SESSION AUTHORIZATION regress_rls_exempt_user; 212SET row_security TO OFF; 213SELECT * FROM document; 214SELECT * FROM category; 215 216-- RLS policy does not apply to table owner when RLS enabled. 217SET SESSION AUTHORIZATION regress_rls_alice; 218SET row_security TO ON; 219SELECT * FROM document; 220SELECT * FROM category; 221 222-- RLS policy does not apply to table owner when RLS disabled. 223SET SESSION AUTHORIZATION regress_rls_alice; 224SET row_security TO OFF; 225SELECT * FROM document; 226SELECT * FROM category; 227 228-- 229-- Table inheritance and RLS policy 230-- 231SET SESSION AUTHORIZATION regress_rls_alice; 232 233SET row_security TO ON; 234 235CREATE TABLE t1 (id int not null primary key, a int, junk1 text, b text); 236ALTER TABLE t1 DROP COLUMN junk1; -- just a disturbing factor 237GRANT ALL ON t1 TO public; 238 239COPY t1 FROM stdin WITH ; 240101 1 aba 241102 2 bbb 242103 3 ccc 243104 4 dad 244\. 245 246CREATE TABLE t2 (c float) INHERITS (t1); 247GRANT ALL ON t2 TO public; 248 249COPY t2 FROM stdin; 250201 1 abc 1.1 251202 2 bcd 2.2 252203 3 cde 3.3 253204 4 def 4.4 254\. 255 256CREATE TABLE t3 (id int not null primary key, c text, b text, a int); 257ALTER TABLE t3 INHERIT t1; 258GRANT ALL ON t3 TO public; 259 260COPY t3(id, a,b,c) FROM stdin; 261301 1 xxx X 262302 2 yyy Y 263303 3 zzz Z 264\. 265 266CREATE POLICY p1 ON t1 FOR ALL TO PUBLIC USING (a % 2 = 0); -- be even number 267CREATE POLICY p2 ON t2 FOR ALL TO PUBLIC USING (a % 2 = 1); -- be odd number 268 269ALTER TABLE t1 ENABLE ROW LEVEL SECURITY; 270ALTER TABLE t2 ENABLE ROW LEVEL SECURITY; 271 272SET SESSION AUTHORIZATION regress_rls_bob; 273 274SELECT * FROM t1; 275EXPLAIN (COSTS OFF) SELECT * FROM t1; 276 277SELECT * FROM t1 WHERE f_leak(b); 278EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); 279 280-- reference to system column 281SELECT tableoid::regclass, * FROM t1; 282EXPLAIN (COSTS OFF) SELECT *, t1 FROM t1; 283 284-- reference to whole-row reference 285SELECT *, t1 FROM t1; 286EXPLAIN (COSTS OFF) SELECT *, t1 FROM t1; 287 288-- for share/update lock 289SELECT * FROM t1 FOR SHARE; 290EXPLAIN (COSTS OFF) SELECT * FROM t1 FOR SHARE; 291 292SELECT * FROM t1 WHERE f_leak(b) FOR SHARE; 293EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b) FOR SHARE; 294 295-- union all query 296SELECT a, b, tableoid::regclass FROM t2 UNION ALL SELECT a, b, tableoid::regclass FROM t3; 297EXPLAIN (COSTS OFF) SELECT a, b, tableoid::regclass FROM t2 UNION ALL SELECT a, b, tableoid::regclass FROM t3; 298 299-- superuser is allowed to bypass RLS checks 300RESET SESSION AUTHORIZATION; 301SET row_security TO OFF; 302SELECT * FROM t1 WHERE f_leak(b); 303EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); 304 305-- non-superuser with bypass privilege can bypass RLS policy when disabled 306SET SESSION AUTHORIZATION regress_rls_exempt_user; 307SET row_security TO OFF; 308SELECT * FROM t1 WHERE f_leak(b); 309EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); 310 311-- 312-- Partitioned Tables 313-- 314 315SET SESSION AUTHORIZATION regress_rls_alice; 316 317CREATE TABLE part_document ( 318 did int, 319 cid int, 320 dlevel int not null, 321 dauthor name, 322 dtitle text 323) PARTITION BY RANGE (cid); 324GRANT ALL ON part_document TO public; 325 326-- Create partitions for document categories 327CREATE TABLE part_document_fiction PARTITION OF part_document FOR VALUES FROM (11) to (12); 328CREATE TABLE part_document_satire PARTITION OF part_document FOR VALUES FROM (55) to (56); 329CREATE TABLE part_document_nonfiction PARTITION OF part_document FOR VALUES FROM (99) to (100); 330 331GRANT ALL ON part_document_fiction TO public; 332GRANT ALL ON part_document_satire TO public; 333GRANT ALL ON part_document_nonfiction TO public; 334 335INSERT INTO part_document VALUES 336 ( 1, 11, 1, 'regress_rls_bob', 'my first novel'), 337 ( 2, 11, 2, 'regress_rls_bob', 'my second novel'), 338 ( 3, 99, 2, 'regress_rls_bob', 'my science textbook'), 339 ( 4, 55, 1, 'regress_rls_bob', 'my first satire'), 340 ( 5, 99, 2, 'regress_rls_bob', 'my history book'), 341 ( 6, 11, 1, 'regress_rls_carol', 'great science fiction'), 342 ( 7, 99, 2, 'regress_rls_carol', 'great technology book'), 343 ( 8, 55, 2, 'regress_rls_carol', 'great satire'), 344 ( 9, 11, 1, 'regress_rls_dave', 'awesome science fiction'), 345 (10, 99, 2, 'regress_rls_dave', 'awesome technology book'); 346 347ALTER TABLE part_document ENABLE ROW LEVEL SECURITY; 348 349-- Create policy on parent 350-- user's security level must be higher than or equal to document's 351CREATE POLICY pp1 ON part_document AS PERMISSIVE 352 USING (dlevel <= (SELECT seclv FROM uaccount WHERE pguser = current_user)); 353 354-- Dave is only allowed to see cid < 55 355CREATE POLICY pp1r ON part_document AS RESTRICTIVE TO regress_rls_dave 356 USING (cid < 55); 357 358\d+ part_document 359SELECT * FROM pg_policies WHERE schemaname = 'regress_rls_schema' AND tablename like '%part_document%' ORDER BY policyname; 360 361-- viewpoint from regress_rls_bob 362SET SESSION AUTHORIZATION regress_rls_bob; 363SET row_security TO ON; 364SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 365EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); 366 367-- viewpoint from regress_rls_carol 368SET SESSION AUTHORIZATION regress_rls_carol; 369SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 370EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); 371 372-- viewpoint from regress_rls_dave 373SET SESSION AUTHORIZATION regress_rls_dave; 374SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 375EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); 376 377-- pp1 ERROR 378INSERT INTO part_document VALUES (100, 11, 5, 'regress_rls_dave', 'testing pp1'); -- fail 379-- pp1r ERROR 380INSERT INTO part_document VALUES (100, 99, 1, 'regress_rls_dave', 'testing pp1r'); -- fail 381 382-- Show that RLS policy does not apply for direct inserts to children 383-- This should fail with RLS POLICY pp1r violation. 384INSERT INTO part_document VALUES (100, 55, 1, 'regress_rls_dave', 'testing RLS with partitions'); -- fail 385-- But this should succeed. 386INSERT INTO part_document_satire VALUES (100, 55, 1, 'regress_rls_dave', 'testing RLS with partitions'); -- success 387-- We still cannot see the row using the parent 388SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 389-- But we can if we look directly 390SELECT * FROM part_document_satire WHERE f_leak(dtitle) ORDER BY did; 391 392-- Turn on RLS and create policy on child to show RLS is checked before constraints 393SET SESSION AUTHORIZATION regress_rls_alice; 394ALTER TABLE part_document_satire ENABLE ROW LEVEL SECURITY; 395CREATE POLICY pp3 ON part_document_satire AS RESTRICTIVE 396 USING (cid < 55); 397-- This should fail with RLS violation now. 398SET SESSION AUTHORIZATION regress_rls_dave; 399INSERT INTO part_document_satire VALUES (101, 55, 1, 'regress_rls_dave', 'testing RLS with partitions'); -- fail 400-- And now we cannot see directly into the partition either, due to RLS 401SELECT * FROM part_document_satire WHERE f_leak(dtitle) ORDER BY did; 402-- The parent looks same as before 403-- viewpoint from regress_rls_dave 404SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 405EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); 406 407-- viewpoint from regress_rls_carol 408SET SESSION AUTHORIZATION regress_rls_carol; 409SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 410EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); 411 412-- only owner can change policies 413ALTER POLICY pp1 ON part_document USING (true); --fail 414DROP POLICY pp1 ON part_document; --fail 415 416SET SESSION AUTHORIZATION regress_rls_alice; 417ALTER POLICY pp1 ON part_document USING (dauthor = current_user); 418 419-- viewpoint from regress_rls_bob again 420SET SESSION AUTHORIZATION regress_rls_bob; 421SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 422 423-- viewpoint from rls_regres_carol again 424SET SESSION AUTHORIZATION regress_rls_carol; 425SELECT * FROM part_document WHERE f_leak(dtitle) ORDER BY did; 426 427EXPLAIN (COSTS OFF) SELECT * FROM part_document WHERE f_leak(dtitle); 428 429-- database superuser does bypass RLS policy when enabled 430RESET SESSION AUTHORIZATION; 431SET row_security TO ON; 432SELECT * FROM part_document ORDER BY did; 433SELECT * FROM part_document_satire ORDER by did; 434 435-- database non-superuser with bypass privilege can bypass RLS policy when disabled 436SET SESSION AUTHORIZATION regress_rls_exempt_user; 437SET row_security TO OFF; 438SELECT * FROM part_document ORDER BY did; 439SELECT * FROM part_document_satire ORDER by did; 440 441-- RLS policy does not apply to table owner when RLS enabled. 442SET SESSION AUTHORIZATION regress_rls_alice; 443SET row_security TO ON; 444SELECT * FROM part_document ORDER by did; 445SELECT * FROM part_document_satire ORDER by did; 446 447-- When RLS disabled, other users get ERROR. 448SET SESSION AUTHORIZATION regress_rls_dave; 449SET row_security TO OFF; 450SELECT * FROM part_document ORDER by did; 451SELECT * FROM part_document_satire ORDER by did; 452 453-- Check behavior with a policy that uses a SubPlan not an InitPlan. 454SET SESSION AUTHORIZATION regress_rls_alice; 455SET row_security TO ON; 456CREATE POLICY pp3 ON part_document AS RESTRICTIVE 457 USING ((SELECT dlevel <= seclv FROM uaccount WHERE pguser = current_user)); 458 459SET SESSION AUTHORIZATION regress_rls_carol; 460INSERT INTO part_document VALUES (100, 11, 5, 'regress_rls_carol', 'testing pp3'); -- fail 461 462----- Dependencies ----- 463SET SESSION AUTHORIZATION regress_rls_alice; 464SET row_security TO ON; 465 466CREATE TABLE dependee (x integer, y integer); 467 468CREATE TABLE dependent (x integer, y integer); 469CREATE POLICY d1 ON dependent FOR ALL 470 TO PUBLIC 471 USING (x = (SELECT d.x FROM dependee d WHERE d.y = y)); 472 473DROP TABLE dependee; -- Should fail without CASCADE due to dependency on row security qual? 474 475DROP TABLE dependee CASCADE; 476 477EXPLAIN (COSTS OFF) SELECT * FROM dependent; -- After drop, should be unqualified 478 479----- RECURSION ---- 480 481-- 482-- Simple recursion 483-- 484SET SESSION AUTHORIZATION regress_rls_alice; 485CREATE TABLE rec1 (x integer, y integer); 486CREATE POLICY r1 ON rec1 USING (x = (SELECT r.x FROM rec1 r WHERE y = r.y)); 487ALTER TABLE rec1 ENABLE ROW LEVEL SECURITY; 488SET SESSION AUTHORIZATION regress_rls_bob; 489SELECT * FROM rec1; -- fail, direct recursion 490 491-- 492-- Mutual recursion 493-- 494SET SESSION AUTHORIZATION regress_rls_alice; 495CREATE TABLE rec2 (a integer, b integer); 496ALTER POLICY r1 ON rec1 USING (x = (SELECT a FROM rec2 WHERE b = y)); 497CREATE POLICY r2 ON rec2 USING (a = (SELECT x FROM rec1 WHERE y = b)); 498ALTER TABLE rec2 ENABLE ROW LEVEL SECURITY; 499 500SET SESSION AUTHORIZATION regress_rls_bob; 501SELECT * FROM rec1; -- fail, mutual recursion 502 503-- 504-- Mutual recursion via views 505-- 506SET SESSION AUTHORIZATION regress_rls_bob; 507CREATE VIEW rec1v AS SELECT * FROM rec1; 508CREATE VIEW rec2v AS SELECT * FROM rec2; 509SET SESSION AUTHORIZATION regress_rls_alice; 510ALTER POLICY r1 ON rec1 USING (x = (SELECT a FROM rec2v WHERE b = y)); 511ALTER POLICY r2 ON rec2 USING (a = (SELECT x FROM rec1v WHERE y = b)); 512 513SET SESSION AUTHORIZATION regress_rls_bob; 514SELECT * FROM rec1; -- fail, mutual recursion via views 515 516-- 517-- Mutual recursion via .s.b views 518-- 519SET SESSION AUTHORIZATION regress_rls_bob; 520 521DROP VIEW rec1v, rec2v CASCADE; 522 523CREATE VIEW rec1v WITH (security_barrier) AS SELECT * FROM rec1; 524CREATE VIEW rec2v WITH (security_barrier) AS SELECT * FROM rec2; 525SET SESSION AUTHORIZATION regress_rls_alice; 526CREATE POLICY r1 ON rec1 USING (x = (SELECT a FROM rec2v WHERE b = y)); 527CREATE POLICY r2 ON rec2 USING (a = (SELECT x FROM rec1v WHERE y = b)); 528 529SET SESSION AUTHORIZATION regress_rls_bob; 530SELECT * FROM rec1; -- fail, mutual recursion via s.b. views 531 532-- 533-- recursive RLS and VIEWs in policy 534-- 535SET SESSION AUTHORIZATION regress_rls_alice; 536CREATE TABLE s1 (a int, b text); 537INSERT INTO s1 (SELECT x, md5(x::text) FROM generate_series(-10,10) x); 538 539CREATE TABLE s2 (x int, y text); 540INSERT INTO s2 (SELECT x, md5(x::text) FROM generate_series(-6,6) x); 541 542GRANT SELECT ON s1, s2 TO regress_rls_bob; 543 544CREATE POLICY p1 ON s1 USING (a in (select x from s2 where y like '%2f%')); 545CREATE POLICY p2 ON s2 USING (x in (select a from s1 where b like '%22%')); 546CREATE POLICY p3 ON s1 FOR INSERT WITH CHECK (a = (SELECT a FROM s1)); 547 548ALTER TABLE s1 ENABLE ROW LEVEL SECURITY; 549ALTER TABLE s2 ENABLE ROW LEVEL SECURITY; 550 551SET SESSION AUTHORIZATION regress_rls_bob; 552CREATE VIEW v2 AS SELECT * FROM s2 WHERE y like '%af%'; 553SELECT * FROM s1 WHERE f_leak(b); -- fail (infinite recursion) 554 555INSERT INTO s1 VALUES (1, 'foo'); -- fail (infinite recursion) 556 557SET SESSION AUTHORIZATION regress_rls_alice; 558DROP POLICY p3 on s1; 559ALTER POLICY p2 ON s2 USING (x % 2 = 0); 560 561SET SESSION AUTHORIZATION regress_rls_bob; 562SELECT * FROM s1 WHERE f_leak(b); -- OK 563EXPLAIN (COSTS OFF) SELECT * FROM only s1 WHERE f_leak(b); 564 565SET SESSION AUTHORIZATION regress_rls_alice; 566ALTER POLICY p1 ON s1 USING (a in (select x from v2)); -- using VIEW in RLS policy 567SET SESSION AUTHORIZATION regress_rls_bob; 568SELECT * FROM s1 WHERE f_leak(b); -- OK 569EXPLAIN (COSTS OFF) SELECT * FROM s1 WHERE f_leak(b); 570 571SELECT (SELECT x FROM s1 LIMIT 1) xx, * FROM s2 WHERE y like '%28%'; 572EXPLAIN (COSTS OFF) SELECT (SELECT x FROM s1 LIMIT 1) xx, * FROM s2 WHERE y like '%28%'; 573 574SET SESSION AUTHORIZATION regress_rls_alice; 575ALTER POLICY p2 ON s2 USING (x in (select a from s1 where b like '%d2%')); 576SET SESSION AUTHORIZATION regress_rls_bob; 577SELECT * FROM s1 WHERE f_leak(b); -- fail (infinite recursion via view) 578 579-- prepared statement with regress_rls_alice privilege 580PREPARE p1(int) AS SELECT * FROM t1 WHERE a <= $1; 581EXECUTE p1(2); 582EXPLAIN (COSTS OFF) EXECUTE p1(2); 583 584-- superuser is allowed to bypass RLS checks 585RESET SESSION AUTHORIZATION; 586SET row_security TO OFF; 587SELECT * FROM t1 WHERE f_leak(b); 588EXPLAIN (COSTS OFF) SELECT * FROM t1 WHERE f_leak(b); 589 590-- plan cache should be invalidated 591EXECUTE p1(2); 592EXPLAIN (COSTS OFF) EXECUTE p1(2); 593 594PREPARE p2(int) AS SELECT * FROM t1 WHERE a = $1; 595EXECUTE p2(2); 596EXPLAIN (COSTS OFF) EXECUTE p2(2); 597 598-- also, case when privilege switch from superuser 599SET SESSION AUTHORIZATION regress_rls_bob; 600SET row_security TO ON; 601EXECUTE p2(2); 602EXPLAIN (COSTS OFF) EXECUTE p2(2); 603 604-- 605-- UPDATE / DELETE and Row-level security 606-- 607SET SESSION AUTHORIZATION regress_rls_bob; 608EXPLAIN (COSTS OFF) UPDATE t1 SET b = b || b WHERE f_leak(b); 609UPDATE t1 SET b = b || b WHERE f_leak(b); 610 611EXPLAIN (COSTS OFF) UPDATE only t1 SET b = b || '_updt' WHERE f_leak(b); 612UPDATE only t1 SET b = b || '_updt' WHERE f_leak(b); 613 614-- returning clause with system column 615UPDATE only t1 SET b = b WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; 616UPDATE t1 SET b = b WHERE f_leak(b) RETURNING *; 617UPDATE t1 SET b = b WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; 618 619-- updates with from clause 620EXPLAIN (COSTS OFF) UPDATE t2 SET b=t2.b FROM t3 621WHERE t2.a = 3 and t3.a = 2 AND f_leak(t2.b) AND f_leak(t3.b); 622 623UPDATE t2 SET b=t2.b FROM t3 624WHERE t2.a = 3 and t3.a = 2 AND f_leak(t2.b) AND f_leak(t3.b); 625 626EXPLAIN (COSTS OFF) UPDATE t1 SET b=t1.b FROM t2 627WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); 628 629UPDATE t1 SET b=t1.b FROM t2 630WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); 631 632EXPLAIN (COSTS OFF) UPDATE t2 SET b=t2.b FROM t1 633WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); 634 635UPDATE t2 SET b=t2.b FROM t1 636WHERE t1.a = 3 and t2.a = 3 AND f_leak(t1.b) AND f_leak(t2.b); 637 638-- updates with from clause self join 639EXPLAIN (COSTS OFF) UPDATE t2 t2_1 SET b = t2_2.b FROM t2 t2_2 640WHERE t2_1.a = 3 AND t2_2.a = t2_1.a AND t2_2.b = t2_1.b 641AND f_leak(t2_1.b) AND f_leak(t2_2.b) RETURNING *, t2_1, t2_2; 642 643UPDATE t2 t2_1 SET b = t2_2.b FROM t2 t2_2 644WHERE t2_1.a = 3 AND t2_2.a = t2_1.a AND t2_2.b = t2_1.b 645AND f_leak(t2_1.b) AND f_leak(t2_2.b) RETURNING *, t2_1, t2_2; 646 647EXPLAIN (COSTS OFF) UPDATE t1 t1_1 SET b = t1_2.b FROM t1 t1_2 648WHERE t1_1.a = 4 AND t1_2.a = t1_1.a AND t1_2.b = t1_1.b 649AND f_leak(t1_1.b) AND f_leak(t1_2.b) RETURNING *, t1_1, t1_2; 650 651UPDATE t1 t1_1 SET b = t1_2.b FROM t1 t1_2 652WHERE t1_1.a = 4 AND t1_2.a = t1_1.a AND t1_2.b = t1_1.b 653AND f_leak(t1_1.b) AND f_leak(t1_2.b) RETURNING *, t1_1, t1_2; 654 655RESET SESSION AUTHORIZATION; 656SET row_security TO OFF; 657SELECT * FROM t1 ORDER BY a,b; 658 659SET SESSION AUTHORIZATION regress_rls_bob; 660SET row_security TO ON; 661EXPLAIN (COSTS OFF) DELETE FROM only t1 WHERE f_leak(b); 662EXPLAIN (COSTS OFF) DELETE FROM t1 WHERE f_leak(b); 663 664DELETE FROM only t1 WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; 665DELETE FROM t1 WHERE f_leak(b) RETURNING tableoid::regclass, *, t1; 666 667-- 668-- S.b. view on top of Row-level security 669-- 670SET SESSION AUTHORIZATION regress_rls_alice; 671CREATE TABLE b1 (a int, b text); 672INSERT INTO b1 (SELECT x, md5(x::text) FROM generate_series(-10,10) x); 673 674CREATE POLICY p1 ON b1 USING (a % 2 = 0); 675ALTER TABLE b1 ENABLE ROW LEVEL SECURITY; 676GRANT ALL ON b1 TO regress_rls_bob; 677 678SET SESSION AUTHORIZATION regress_rls_bob; 679CREATE VIEW bv1 WITH (security_barrier) AS SELECT * FROM b1 WHERE a > 0 WITH CHECK OPTION; 680GRANT ALL ON bv1 TO regress_rls_carol; 681 682SET SESSION AUTHORIZATION regress_rls_carol; 683 684EXPLAIN (COSTS OFF) SELECT * FROM bv1 WHERE f_leak(b); 685SELECT * FROM bv1 WHERE f_leak(b); 686 687INSERT INTO bv1 VALUES (-1, 'xxx'); -- should fail view WCO 688INSERT INTO bv1 VALUES (11, 'xxx'); -- should fail RLS check 689INSERT INTO bv1 VALUES (12, 'xxx'); -- ok 690 691EXPLAIN (COSTS OFF) UPDATE bv1 SET b = 'yyy' WHERE a = 4 AND f_leak(b); 692UPDATE bv1 SET b = 'yyy' WHERE a = 4 AND f_leak(b); 693 694EXPLAIN (COSTS OFF) DELETE FROM bv1 WHERE a = 6 AND f_leak(b); 695DELETE FROM bv1 WHERE a = 6 AND f_leak(b); 696 697SET SESSION AUTHORIZATION regress_rls_alice; 698SELECT * FROM b1; 699-- 700-- INSERT ... ON CONFLICT DO UPDATE and Row-level security 701-- 702 703SET SESSION AUTHORIZATION regress_rls_alice; 704DROP POLICY p1 ON document; 705DROP POLICY p1r ON document; 706 707CREATE POLICY p1 ON document FOR SELECT USING (true); 708CREATE POLICY p2 ON document FOR INSERT WITH CHECK (dauthor = current_user); 709CREATE POLICY p3 ON document FOR UPDATE 710 USING (cid = (SELECT cid from category WHERE cname = 'novel')) 711 WITH CHECK (dauthor = current_user); 712 713SET SESSION AUTHORIZATION regress_rls_bob; 714 715-- Exists... 716SELECT * FROM document WHERE did = 2; 717 718-- ...so violates actual WITH CHECK OPTION within UPDATE (not INSERT, since 719-- alternative UPDATE path happens to be taken): 720INSERT INTO document VALUES (2, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_carol', 'my first novel') 721 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, dauthor = EXCLUDED.dauthor; 722 723-- Violates USING qual for UPDATE policy p3. 724-- 725-- UPDATE path is taken, but UPDATE fails purely because *existing* row to be 726-- updated is not a "novel"/cid 11 (row is not leaked, even though we have 727-- SELECT privileges sufficient to see the row in this instance): 728INSERT INTO document VALUES (33, 22, 1, 'regress_rls_bob', 'okay science fiction'); -- preparation for next statement 729INSERT INTO document VALUES (33, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'Some novel, replaces sci-fi') -- takes UPDATE path 730 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle; 731-- Fine (we UPDATE, since INSERT WCOs and UPDATE security barrier quals + WCOs 732-- not violated): 733INSERT INTO document VALUES (2, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'my first novel') 734 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; 735-- Fine (we INSERT, so "cid = 33" ("technology") isn't evaluated): 736INSERT INTO document VALUES (78, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'some technology novel') 737 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33 RETURNING *; 738-- Fine (same query, but we UPDATE, so "cid = 33", ("technology") is not the 739-- case in respect of *existing* tuple): 740INSERT INTO document VALUES (78, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'some technology novel') 741 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33 RETURNING *; 742-- Same query a third time, but now fails due to existing tuple finally not 743-- passing quals: 744INSERT INTO document VALUES (78, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'some technology novel') 745 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33 RETURNING *; 746-- Don't fail just because INSERT doesn't satisfy WITH CHECK option that 747-- originated as a barrier/USING() qual from the UPDATE. Note that the UPDATE 748-- path *isn't* taken, and so UPDATE-related policy does not apply: 749INSERT INTO document VALUES (79, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'technology book, can only insert') 750 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; 751-- But this time, the same statement fails, because the UPDATE path is taken, 752-- and updating the row just inserted falls afoul of security barrier qual 753-- (enforced as WCO) -- what we might have updated target tuple to is 754-- irrelevant, in fact. 755INSERT INTO document VALUES (79, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'technology book, can only insert') 756 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; 757 758-- Test default USING qual enforced as WCO 759SET SESSION AUTHORIZATION regress_rls_alice; 760DROP POLICY p1 ON document; 761DROP POLICY p2 ON document; 762DROP POLICY p3 ON document; 763 764CREATE POLICY p3_with_default ON document FOR UPDATE 765 USING (cid = (SELECT cid from category WHERE cname = 'novel')); 766 767SET SESSION AUTHORIZATION regress_rls_bob; 768-- Just because WCO-style enforcement of USING quals occurs with 769-- existing/target tuple does not mean that the implementation can be allowed 770-- to fail to also enforce this qual against the final tuple appended to 771-- relation (since in the absence of an explicit WCO, this is also interpreted 772-- as an UPDATE/ALL WCO in general). 773-- 774-- UPDATE path is taken here (fails due to existing tuple). Note that this is 775-- not reported as a "USING expression", because it's an RLS UPDATE check that originated as 776-- a USING qual for the purposes of RLS in general, as opposed to an explicit 777-- USING qual that is ordinarily a security barrier. We leave it up to the 778-- UPDATE to make this fail: 779INSERT INTO document VALUES (79, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'technology book, can only insert') 780 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle RETURNING *; 781 782-- UPDATE path is taken here. Existing tuple passes, since its cid 783-- corresponds to "novel", but default USING qual is enforced against 784-- post-UPDATE tuple too (as always when updating with a policy that lacks an 785-- explicit WCO), and so this fails: 786INSERT INTO document VALUES (2, (SELECT cid from category WHERE cname = 'technology'), 1, 'regress_rls_bob', 'my first novel') 787 ON CONFLICT (did) DO UPDATE SET cid = EXCLUDED.cid, dtitle = EXCLUDED.dtitle RETURNING *; 788 789SET SESSION AUTHORIZATION regress_rls_alice; 790DROP POLICY p3_with_default ON document; 791 792-- 793-- Test ALL policies with ON CONFLICT DO UPDATE (much the same as existing UPDATE 794-- tests) 795-- 796CREATE POLICY p3_with_all ON document FOR ALL 797 USING (cid = (SELECT cid from category WHERE cname = 'novel')) 798 WITH CHECK (dauthor = current_user); 799 800SET SESSION AUTHORIZATION regress_rls_bob; 801 802-- Fails, since ALL WCO is enforced in insert path: 803INSERT INTO document VALUES (80, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_carol', 'my first novel') 804 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle, cid = 33; 805-- Fails, since ALL policy USING qual is enforced (existing, target tuple is in 806-- violation, since it has the "manga" cid): 807INSERT INTO document VALUES (4, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'my first novel') 808 ON CONFLICT (did) DO UPDATE SET dtitle = EXCLUDED.dtitle; 809-- Fails, since ALL WCO are enforced: 810INSERT INTO document VALUES (1, (SELECT cid from category WHERE cname = 'novel'), 1, 'regress_rls_bob', 'my first novel') 811 ON CONFLICT (did) DO UPDATE SET dauthor = 'regress_rls_carol'; 812 813-- 814-- ROLE/GROUP 815-- 816SET SESSION AUTHORIZATION regress_rls_alice; 817CREATE TABLE z1 (a int, b text); 818CREATE TABLE z2 (a int, b text); 819 820GRANT SELECT ON z1,z2 TO regress_rls_group1, regress_rls_group2, 821 regress_rls_bob, regress_rls_carol; 822 823INSERT INTO z1 VALUES 824 (1, 'aba'), 825 (2, 'bbb'), 826 (3, 'ccc'), 827 (4, 'dad'); 828 829CREATE POLICY p1 ON z1 TO regress_rls_group1 USING (a % 2 = 0); 830CREATE POLICY p2 ON z1 TO regress_rls_group2 USING (a % 2 = 1); 831 832ALTER TABLE z1 ENABLE ROW LEVEL SECURITY; 833 834SET SESSION AUTHORIZATION regress_rls_bob; 835SELECT * FROM z1 WHERE f_leak(b); 836EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); 837 838PREPARE plancache_test AS SELECT * FROM z1 WHERE f_leak(b); 839EXPLAIN (COSTS OFF) EXECUTE plancache_test; 840 841PREPARE plancache_test2 AS WITH q AS MATERIALIZED (SELECT * FROM z1 WHERE f_leak(b)) SELECT * FROM q,z2; 842EXPLAIN (COSTS OFF) EXECUTE plancache_test2; 843 844PREPARE plancache_test3 AS WITH q AS MATERIALIZED (SELECT * FROM z2) SELECT * FROM q,z1 WHERE f_leak(z1.b); 845EXPLAIN (COSTS OFF) EXECUTE plancache_test3; 846 847SET ROLE regress_rls_group1; 848SELECT * FROM z1 WHERE f_leak(b); 849EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); 850 851EXPLAIN (COSTS OFF) EXECUTE plancache_test; 852EXPLAIN (COSTS OFF) EXECUTE plancache_test2; 853EXPLAIN (COSTS OFF) EXECUTE plancache_test3; 854 855SET SESSION AUTHORIZATION regress_rls_carol; 856SELECT * FROM z1 WHERE f_leak(b); 857EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); 858 859EXPLAIN (COSTS OFF) EXECUTE plancache_test; 860EXPLAIN (COSTS OFF) EXECUTE plancache_test2; 861EXPLAIN (COSTS OFF) EXECUTE plancache_test3; 862 863SET ROLE regress_rls_group2; 864SELECT * FROM z1 WHERE f_leak(b); 865EXPLAIN (COSTS OFF) SELECT * FROM z1 WHERE f_leak(b); 866 867EXPLAIN (COSTS OFF) EXECUTE plancache_test; 868EXPLAIN (COSTS OFF) EXECUTE plancache_test2; 869EXPLAIN (COSTS OFF) EXECUTE plancache_test3; 870 871-- 872-- Views should follow policy for view owner. 873-- 874-- View and Table owner are the same. 875SET SESSION AUTHORIZATION regress_rls_alice; 876CREATE VIEW rls_view AS SELECT * FROM z1 WHERE f_leak(b); 877GRANT SELECT ON rls_view TO regress_rls_bob; 878 879-- Query as role that is not owner of view or table. Should return all records. 880SET SESSION AUTHORIZATION regress_rls_bob; 881SELECT * FROM rls_view; 882EXPLAIN (COSTS OFF) SELECT * FROM rls_view; 883 884-- Query as view/table owner. Should return all records. 885SET SESSION AUTHORIZATION regress_rls_alice; 886SELECT * FROM rls_view; 887EXPLAIN (COSTS OFF) SELECT * FROM rls_view; 888DROP VIEW rls_view; 889 890-- View and Table owners are different. 891SET SESSION AUTHORIZATION regress_rls_bob; 892CREATE VIEW rls_view AS SELECT * FROM z1 WHERE f_leak(b); 893GRANT SELECT ON rls_view TO regress_rls_alice; 894 895-- Query as role that is not owner of view but is owner of table. 896-- Should return records based on view owner policies. 897SET SESSION AUTHORIZATION regress_rls_alice; 898SELECT * FROM rls_view; 899EXPLAIN (COSTS OFF) SELECT * FROM rls_view; 900 901-- Query as role that is not owner of table but is owner of view. 902-- Should return records based on view owner policies. 903SET SESSION AUTHORIZATION regress_rls_bob; 904SELECT * FROM rls_view; 905EXPLAIN (COSTS OFF) SELECT * FROM rls_view; 906 907-- Query as role that is not the owner of the table or view without permissions. 908SET SESSION AUTHORIZATION regress_rls_carol; 909SELECT * FROM rls_view; --fail - permission denied. 910EXPLAIN (COSTS OFF) SELECT * FROM rls_view; --fail - permission denied. 911 912-- Query as role that is not the owner of the table or view with permissions. 913SET SESSION AUTHORIZATION regress_rls_bob; 914GRANT SELECT ON rls_view TO regress_rls_carol; 915SELECT * FROM rls_view; 916EXPLAIN (COSTS OFF) SELECT * FROM rls_view; 917 918SET SESSION AUTHORIZATION regress_rls_bob; 919DROP VIEW rls_view; 920 921-- 922-- Command specific 923-- 924SET SESSION AUTHORIZATION regress_rls_alice; 925 926CREATE TABLE x1 (a int, b text, c text); 927GRANT ALL ON x1 TO PUBLIC; 928 929INSERT INTO x1 VALUES 930 (1, 'abc', 'regress_rls_bob'), 931 (2, 'bcd', 'regress_rls_bob'), 932 (3, 'cde', 'regress_rls_carol'), 933 (4, 'def', 'regress_rls_carol'), 934 (5, 'efg', 'regress_rls_bob'), 935 (6, 'fgh', 'regress_rls_bob'), 936 (7, 'fgh', 'regress_rls_carol'), 937 (8, 'fgh', 'regress_rls_carol'); 938 939CREATE POLICY p0 ON x1 FOR ALL USING (c = current_user); 940CREATE POLICY p1 ON x1 FOR SELECT USING (a % 2 = 0); 941CREATE POLICY p2 ON x1 FOR INSERT WITH CHECK (a % 2 = 1); 942CREATE POLICY p3 ON x1 FOR UPDATE USING (a % 2 = 0); 943CREATE POLICY p4 ON x1 FOR DELETE USING (a < 8); 944 945ALTER TABLE x1 ENABLE ROW LEVEL SECURITY; 946 947SET SESSION AUTHORIZATION regress_rls_bob; 948SELECT * FROM x1 WHERE f_leak(b) ORDER BY a ASC; 949UPDATE x1 SET b = b || '_updt' WHERE f_leak(b) RETURNING *; 950 951SET SESSION AUTHORIZATION regress_rls_carol; 952SELECT * FROM x1 WHERE f_leak(b) ORDER BY a ASC; 953UPDATE x1 SET b = b || '_updt' WHERE f_leak(b) RETURNING *; 954DELETE FROM x1 WHERE f_leak(b) RETURNING *; 955 956-- 957-- Duplicate Policy Names 958-- 959SET SESSION AUTHORIZATION regress_rls_alice; 960CREATE TABLE y1 (a int, b text); 961CREATE TABLE y2 (a int, b text); 962 963GRANT ALL ON y1, y2 TO regress_rls_bob; 964 965CREATE POLICY p1 ON y1 FOR ALL USING (a % 2 = 0); 966CREATE POLICY p2 ON y1 FOR SELECT USING (a > 2); 967CREATE POLICY p1 ON y1 FOR SELECT USING (a % 2 = 1); --fail 968CREATE POLICY p1 ON y2 FOR ALL USING (a % 2 = 0); --OK 969 970ALTER TABLE y1 ENABLE ROW LEVEL SECURITY; 971ALTER TABLE y2 ENABLE ROW LEVEL SECURITY; 972 973-- 974-- Expression structure with SBV 975-- 976-- Create view as table owner. RLS should NOT be applied. 977SET SESSION AUTHORIZATION regress_rls_alice; 978CREATE VIEW rls_sbv WITH (security_barrier) AS 979 SELECT * FROM y1 WHERE f_leak(b); 980EXPLAIN (COSTS OFF) SELECT * FROM rls_sbv WHERE (a = 1); 981DROP VIEW rls_sbv; 982 983-- Create view as role that does not own table. RLS should be applied. 984SET SESSION AUTHORIZATION regress_rls_bob; 985CREATE VIEW rls_sbv WITH (security_barrier) AS 986 SELECT * FROM y1 WHERE f_leak(b); 987EXPLAIN (COSTS OFF) SELECT * FROM rls_sbv WHERE (a = 1); 988DROP VIEW rls_sbv; 989 990-- 991-- Expression structure 992-- 993SET SESSION AUTHORIZATION regress_rls_alice; 994INSERT INTO y2 (SELECT x, md5(x::text) FROM generate_series(0,20) x); 995CREATE POLICY p2 ON y2 USING (a % 3 = 0); 996CREATE POLICY p3 ON y2 USING (a % 4 = 0); 997 998SET SESSION AUTHORIZATION regress_rls_bob; 999SELECT * FROM y2 WHERE f_leak(b); 1000EXPLAIN (COSTS OFF) SELECT * FROM y2 WHERE f_leak(b); 1001 1002-- 1003-- Qual push-down of leaky functions, when not referring to table 1004-- 1005SELECT * FROM y2 WHERE f_leak('abc'); 1006EXPLAIN (COSTS OFF) SELECT * FROM y2 WHERE f_leak('abc'); 1007 1008CREATE TABLE test_qual_pushdown ( 1009 abc text 1010); 1011 1012INSERT INTO test_qual_pushdown VALUES ('abc'),('def'); 1013 1014SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(abc); 1015EXPLAIN (COSTS OFF) SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(abc); 1016 1017SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(b); 1018EXPLAIN (COSTS OFF) SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(b); 1019 1020DROP TABLE test_qual_pushdown; 1021 1022-- 1023-- Plancache invalidate on user change. 1024-- 1025RESET SESSION AUTHORIZATION; 1026 1027DROP TABLE t1 CASCADE; 1028 1029CREATE TABLE t1 (a integer); 1030 1031GRANT SELECT ON t1 TO regress_rls_bob, regress_rls_carol; 1032 1033CREATE POLICY p1 ON t1 TO regress_rls_bob USING ((a % 2) = 0); 1034CREATE POLICY p2 ON t1 TO regress_rls_carol USING ((a % 4) = 0); 1035 1036ALTER TABLE t1 ENABLE ROW LEVEL SECURITY; 1037 1038-- Prepare as regress_rls_bob 1039SET ROLE regress_rls_bob; 1040PREPARE role_inval AS SELECT * FROM t1; 1041-- Check plan 1042EXPLAIN (COSTS OFF) EXECUTE role_inval; 1043 1044-- Change to regress_rls_carol 1045SET ROLE regress_rls_carol; 1046-- Check plan- should be different 1047EXPLAIN (COSTS OFF) EXECUTE role_inval; 1048 1049-- Change back to regress_rls_bob 1050SET ROLE regress_rls_bob; 1051-- Check plan- should be back to original 1052EXPLAIN (COSTS OFF) EXECUTE role_inval; 1053 1054-- 1055-- CTE and RLS 1056-- 1057RESET SESSION AUTHORIZATION; 1058DROP TABLE t1 CASCADE; 1059CREATE TABLE t1 (a integer, b text); 1060CREATE POLICY p1 ON t1 USING (a % 2 = 0); 1061 1062ALTER TABLE t1 ENABLE ROW LEVEL SECURITY; 1063 1064GRANT ALL ON t1 TO regress_rls_bob; 1065 1066INSERT INTO t1 (SELECT x, md5(x::text) FROM generate_series(0,20) x); 1067 1068SET SESSION AUTHORIZATION regress_rls_bob; 1069 1070WITH cte1 AS MATERIALIZED (SELECT * FROM t1 WHERE f_leak(b)) SELECT * FROM cte1; 1071EXPLAIN (COSTS OFF) 1072WITH cte1 AS MATERIALIZED (SELECT * FROM t1 WHERE f_leak(b)) SELECT * FROM cte1; 1073 1074WITH cte1 AS (UPDATE t1 SET a = a + 1 RETURNING *) SELECT * FROM cte1; --fail 1075WITH cte1 AS (UPDATE t1 SET a = a RETURNING *) SELECT * FROM cte1; --ok 1076 1077WITH cte1 AS (INSERT INTO t1 VALUES (21, 'Fail') RETURNING *) SELECT * FROM cte1; --fail 1078WITH cte1 AS (INSERT INTO t1 VALUES (20, 'Success') RETURNING *) SELECT * FROM cte1; --ok 1079 1080-- 1081-- Rename Policy 1082-- 1083RESET SESSION AUTHORIZATION; 1084ALTER POLICY p1 ON t1 RENAME TO p1; --fail 1085 1086SELECT polname, relname 1087 FROM pg_policy pol 1088 JOIN pg_class pc ON (pc.oid = pol.polrelid) 1089 WHERE relname = 't1'; 1090 1091ALTER POLICY p1 ON t1 RENAME TO p2; --ok 1092 1093SELECT polname, relname 1094 FROM pg_policy pol 1095 JOIN pg_class pc ON (pc.oid = pol.polrelid) 1096 WHERE relname = 't1'; 1097 1098-- 1099-- Check INSERT SELECT 1100-- 1101SET SESSION AUTHORIZATION regress_rls_bob; 1102CREATE TABLE t2 (a integer, b text); 1103INSERT INTO t2 (SELECT * FROM t1); 1104EXPLAIN (COSTS OFF) INSERT INTO t2 (SELECT * FROM t1); 1105SELECT * FROM t2; 1106EXPLAIN (COSTS OFF) SELECT * FROM t2; 1107CREATE TABLE t3 AS SELECT * FROM t1; 1108SELECT * FROM t3; 1109SELECT * INTO t4 FROM t1; 1110SELECT * FROM t4; 1111 1112-- 1113-- RLS with JOIN 1114-- 1115SET SESSION AUTHORIZATION regress_rls_alice; 1116CREATE TABLE blog (id integer, author text, post text); 1117CREATE TABLE comment (blog_id integer, message text); 1118 1119GRANT ALL ON blog, comment TO regress_rls_bob; 1120 1121CREATE POLICY blog_1 ON blog USING (id % 2 = 0); 1122 1123ALTER TABLE blog ENABLE ROW LEVEL SECURITY; 1124 1125INSERT INTO blog VALUES 1126 (1, 'alice', 'blog #1'), 1127 (2, 'bob', 'blog #1'), 1128 (3, 'alice', 'blog #2'), 1129 (4, 'alice', 'blog #3'), 1130 (5, 'john', 'blog #1'); 1131 1132INSERT INTO comment VALUES 1133 (1, 'cool blog'), 1134 (1, 'fun blog'), 1135 (3, 'crazy blog'), 1136 (5, 'what?'), 1137 (4, 'insane!'), 1138 (2, 'who did it?'); 1139 1140SET SESSION AUTHORIZATION regress_rls_bob; 1141-- Check RLS JOIN with Non-RLS. 1142SELECT id, author, message FROM blog JOIN comment ON id = blog_id; 1143-- Check Non-RLS JOIN with RLS. 1144SELECT id, author, message FROM comment JOIN blog ON id = blog_id; 1145 1146SET SESSION AUTHORIZATION regress_rls_alice; 1147CREATE POLICY comment_1 ON comment USING (blog_id < 4); 1148 1149ALTER TABLE comment ENABLE ROW LEVEL SECURITY; 1150 1151SET SESSION AUTHORIZATION regress_rls_bob; 1152-- Check RLS JOIN RLS 1153SELECT id, author, message FROM blog JOIN comment ON id = blog_id; 1154SELECT id, author, message FROM comment JOIN blog ON id = blog_id; 1155 1156SET SESSION AUTHORIZATION regress_rls_alice; 1157DROP TABLE blog, comment; 1158 1159-- 1160-- Default Deny Policy 1161-- 1162RESET SESSION AUTHORIZATION; 1163DROP POLICY p2 ON t1; 1164ALTER TABLE t1 OWNER TO regress_rls_alice; 1165 1166-- Check that default deny does not apply to superuser. 1167RESET SESSION AUTHORIZATION; 1168SELECT * FROM t1; 1169EXPLAIN (COSTS OFF) SELECT * FROM t1; 1170 1171-- Check that default deny does not apply to table owner. 1172SET SESSION AUTHORIZATION regress_rls_alice; 1173SELECT * FROM t1; 1174EXPLAIN (COSTS OFF) SELECT * FROM t1; 1175 1176-- Check that default deny applies to non-owner/non-superuser when RLS on. 1177SET SESSION AUTHORIZATION regress_rls_bob; 1178SET row_security TO ON; 1179SELECT * FROM t1; 1180EXPLAIN (COSTS OFF) SELECT * FROM t1; 1181SET SESSION AUTHORIZATION regress_rls_bob; 1182SELECT * FROM t1; 1183EXPLAIN (COSTS OFF) SELECT * FROM t1; 1184 1185-- 1186-- COPY TO/FROM 1187-- 1188 1189RESET SESSION AUTHORIZATION; 1190DROP TABLE copy_t CASCADE; 1191CREATE TABLE copy_t (a integer, b text); 1192CREATE POLICY p1 ON copy_t USING (a % 2 = 0); 1193 1194ALTER TABLE copy_t ENABLE ROW LEVEL SECURITY; 1195 1196GRANT ALL ON copy_t TO regress_rls_bob, regress_rls_exempt_user; 1197 1198INSERT INTO copy_t (SELECT x, md5(x::text) FROM generate_series(0,10) x); 1199 1200-- Check COPY TO as Superuser/owner. 1201RESET SESSION AUTHORIZATION; 1202SET row_security TO OFF; 1203COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; 1204SET row_security TO ON; 1205COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; 1206 1207-- Check COPY TO as user with permissions. 1208SET SESSION AUTHORIZATION regress_rls_bob; 1209SET row_security TO OFF; 1210COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --fail - would be affected by RLS 1211SET row_security TO ON; 1212COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --ok 1213 1214-- Check COPY TO as user with permissions and BYPASSRLS 1215SET SESSION AUTHORIZATION regress_rls_exempt_user; 1216SET row_security TO OFF; 1217COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --ok 1218SET row_security TO ON; 1219COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --ok 1220 1221-- Check COPY TO as user without permissions. SET row_security TO OFF; 1222SET SESSION AUTHORIZATION regress_rls_carol; 1223SET row_security TO OFF; 1224COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --fail - would be affected by RLS 1225SET row_security TO ON; 1226COPY (SELECT * FROM copy_t ORDER BY a ASC) TO STDOUT WITH DELIMITER ','; --fail - permission denied 1227 1228-- Check COPY relation TO; keep it just one row to avoid reordering issues 1229RESET SESSION AUTHORIZATION; 1230SET row_security TO ON; 1231CREATE TABLE copy_rel_to (a integer, b text); 1232CREATE POLICY p1 ON copy_rel_to USING (a % 2 = 0); 1233 1234ALTER TABLE copy_rel_to ENABLE ROW LEVEL SECURITY; 1235 1236GRANT ALL ON copy_rel_to TO regress_rls_bob, regress_rls_exempt_user; 1237 1238INSERT INTO copy_rel_to VALUES (1, md5('1')); 1239 1240-- Check COPY TO as Superuser/owner. 1241RESET SESSION AUTHORIZATION; 1242SET row_security TO OFF; 1243COPY copy_rel_to TO STDOUT WITH DELIMITER ','; 1244SET row_security TO ON; 1245COPY copy_rel_to TO STDOUT WITH DELIMITER ','; 1246 1247-- Check COPY TO as user with permissions. 1248SET SESSION AUTHORIZATION regress_rls_bob; 1249SET row_security TO OFF; 1250COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - would be affected by RLS 1251SET row_security TO ON; 1252COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok 1253 1254-- Check COPY TO as user with permissions and BYPASSRLS 1255SET SESSION AUTHORIZATION regress_rls_exempt_user; 1256SET row_security TO OFF; 1257COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok 1258SET row_security TO ON; 1259COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --ok 1260 1261-- Check COPY TO as user without permissions. SET row_security TO OFF; 1262SET SESSION AUTHORIZATION regress_rls_carol; 1263SET row_security TO OFF; 1264COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - permission denied 1265SET row_security TO ON; 1266COPY copy_rel_to TO STDOUT WITH DELIMITER ','; --fail - permission denied 1267 1268-- Check COPY FROM as Superuser/owner. 1269RESET SESSION AUTHORIZATION; 1270SET row_security TO OFF; 1271COPY copy_t FROM STDIN; --ok 12721 abc 12732 bcd 12743 cde 12754 def 1276\. 1277SET row_security TO ON; 1278COPY copy_t FROM STDIN; --ok 12791 abc 12802 bcd 12813 cde 12824 def 1283\. 1284 1285-- Check COPY FROM as user with permissions. 1286SET SESSION AUTHORIZATION regress_rls_bob; 1287SET row_security TO OFF; 1288COPY copy_t FROM STDIN; --fail - would be affected by RLS. 1289SET row_security TO ON; 1290COPY copy_t FROM STDIN; --fail - COPY FROM not supported by RLS. 1291 1292-- Check COPY FROM as user with permissions and BYPASSRLS 1293SET SESSION AUTHORIZATION regress_rls_exempt_user; 1294SET row_security TO ON; 1295COPY copy_t FROM STDIN; --ok 12961 abc 12972 bcd 12983 cde 12994 def 1300\. 1301 1302-- Check COPY FROM as user without permissions. 1303SET SESSION AUTHORIZATION regress_rls_carol; 1304SET row_security TO OFF; 1305COPY copy_t FROM STDIN; --fail - permission denied. 1306SET row_security TO ON; 1307COPY copy_t FROM STDIN; --fail - permission denied. 1308 1309RESET SESSION AUTHORIZATION; 1310DROP TABLE copy_t; 1311DROP TABLE copy_rel_to CASCADE; 1312 1313-- Check WHERE CURRENT OF 1314SET SESSION AUTHORIZATION regress_rls_alice; 1315 1316CREATE TABLE current_check (currentid int, payload text, rlsuser text); 1317GRANT ALL ON current_check TO PUBLIC; 1318 1319INSERT INTO current_check VALUES 1320 (1, 'abc', 'regress_rls_bob'), 1321 (2, 'bcd', 'regress_rls_bob'), 1322 (3, 'cde', 'regress_rls_bob'), 1323 (4, 'def', 'regress_rls_bob'); 1324 1325CREATE POLICY p1 ON current_check FOR SELECT USING (currentid % 2 = 0); 1326CREATE POLICY p2 ON current_check FOR DELETE USING (currentid = 4 AND rlsuser = current_user); 1327CREATE POLICY p3 ON current_check FOR UPDATE USING (currentid = 4) WITH CHECK (rlsuser = current_user); 1328 1329ALTER TABLE current_check ENABLE ROW LEVEL SECURITY; 1330 1331SET SESSION AUTHORIZATION regress_rls_bob; 1332 1333-- Can SELECT even rows 1334SELECT * FROM current_check; 1335 1336-- Cannot UPDATE row 2 1337UPDATE current_check SET payload = payload || '_new' WHERE currentid = 2 RETURNING *; 1338 1339BEGIN; 1340 1341DECLARE current_check_cursor SCROLL CURSOR FOR SELECT * FROM current_check; 1342-- Returns rows that can be seen according to SELECT policy, like plain SELECT 1343-- above (even rows) 1344FETCH ABSOLUTE 1 FROM current_check_cursor; 1345-- Still cannot UPDATE row 2 through cursor 1346UPDATE current_check SET payload = payload || '_new' WHERE CURRENT OF current_check_cursor RETURNING *; 1347-- Can update row 4 through cursor, which is the next visible row 1348FETCH RELATIVE 1 FROM current_check_cursor; 1349UPDATE current_check SET payload = payload || '_new' WHERE CURRENT OF current_check_cursor RETURNING *; 1350SELECT * FROM current_check; 1351-- Plan should be a subquery TID scan 1352EXPLAIN (COSTS OFF) UPDATE current_check SET payload = payload WHERE CURRENT OF current_check_cursor; 1353-- Similarly can only delete row 4 1354FETCH ABSOLUTE 1 FROM current_check_cursor; 1355DELETE FROM current_check WHERE CURRENT OF current_check_cursor RETURNING *; 1356FETCH RELATIVE 1 FROM current_check_cursor; 1357DELETE FROM current_check WHERE CURRENT OF current_check_cursor RETURNING *; 1358SELECT * FROM current_check; 1359 1360COMMIT; 1361 1362-- 1363-- check pg_stats view filtering 1364-- 1365SET row_security TO ON; 1366SET SESSION AUTHORIZATION regress_rls_alice; 1367ANALYZE current_check; 1368-- Stats visible 1369SELECT row_security_active('current_check'); 1370SELECT attname, most_common_vals FROM pg_stats 1371 WHERE tablename = 'current_check' 1372 ORDER BY 1; 1373 1374SET SESSION AUTHORIZATION regress_rls_bob; 1375-- Stats not visible 1376SELECT row_security_active('current_check'); 1377SELECT attname, most_common_vals FROM pg_stats 1378 WHERE tablename = 'current_check' 1379 ORDER BY 1; 1380 1381-- 1382-- Collation support 1383-- 1384BEGIN; 1385CREATE TABLE coll_t (c) AS VALUES ('bar'::text); 1386CREATE POLICY coll_p ON coll_t USING (c < ('foo'::text COLLATE "C")); 1387ALTER TABLE coll_t ENABLE ROW LEVEL SECURITY; 1388GRANT SELECT ON coll_t TO regress_rls_alice; 1389SELECT (string_to_array(polqual, ':'))[7] AS inputcollid FROM pg_policy WHERE polrelid = 'coll_t'::regclass; 1390SET SESSION AUTHORIZATION regress_rls_alice; 1391SELECT * FROM coll_t; 1392ROLLBACK; 1393 1394-- 1395-- Shared Object Dependencies 1396-- 1397RESET SESSION AUTHORIZATION; 1398BEGIN; 1399CREATE ROLE regress_rls_eve; 1400CREATE ROLE regress_rls_frank; 1401CREATE TABLE tbl1 (c) AS VALUES ('bar'::text); 1402GRANT SELECT ON TABLE tbl1 TO regress_rls_eve; 1403CREATE POLICY P ON tbl1 TO regress_rls_eve, regress_rls_frank USING (true); 1404SELECT refclassid::regclass, deptype 1405 FROM pg_depend 1406 WHERE classid = 'pg_policy'::regclass 1407 AND refobjid = 'tbl1'::regclass; 1408SELECT refclassid::regclass, deptype 1409 FROM pg_shdepend 1410 WHERE classid = 'pg_policy'::regclass 1411 AND refobjid IN ('regress_rls_eve'::regrole, 'regress_rls_frank'::regrole); 1412 1413SAVEPOINT q; 1414DROP ROLE regress_rls_eve; --fails due to dependency on POLICY p 1415ROLLBACK TO q; 1416 1417ALTER POLICY p ON tbl1 TO regress_rls_frank USING (true); 1418SAVEPOINT q; 1419DROP ROLE regress_rls_eve; --fails due to dependency on GRANT SELECT 1420ROLLBACK TO q; 1421 1422REVOKE ALL ON TABLE tbl1 FROM regress_rls_eve; 1423SAVEPOINT q; 1424DROP ROLE regress_rls_eve; --succeeds 1425ROLLBACK TO q; 1426 1427SAVEPOINT q; 1428DROP ROLE regress_rls_frank; --fails due to dependency on POLICY p 1429ROLLBACK TO q; 1430 1431DROP POLICY p ON tbl1; 1432SAVEPOINT q; 1433DROP ROLE regress_rls_frank; -- succeeds 1434ROLLBACK TO q; 1435 1436ROLLBACK; -- cleanup 1437 1438-- 1439-- Converting table to view 1440-- 1441BEGIN; 1442CREATE TABLE t (c int); 1443CREATE POLICY p ON t USING (c % 2 = 1); 1444ALTER TABLE t ENABLE ROW LEVEL SECURITY; 1445 1446SAVEPOINT q; 1447CREATE RULE "_RETURN" AS ON SELECT TO t DO INSTEAD 1448 SELECT * FROM generate_series(1,5) t0(c); -- fails due to row-level security enabled 1449ROLLBACK TO q; 1450 1451ALTER TABLE t DISABLE ROW LEVEL SECURITY; 1452SAVEPOINT q; 1453CREATE RULE "_RETURN" AS ON SELECT TO t DO INSTEAD 1454 SELECT * FROM generate_series(1,5) t0(c); -- fails due to policy p on t 1455ROLLBACK TO q; 1456 1457DROP POLICY p ON t; 1458CREATE RULE "_RETURN" AS ON SELECT TO t DO INSTEAD 1459 SELECT * FROM generate_series(1,5) t0(c); -- succeeds 1460ROLLBACK; 1461 1462-- 1463-- Policy expression handling 1464-- 1465BEGIN; 1466CREATE TABLE t (c) AS VALUES ('bar'::text); 1467CREATE POLICY p ON t USING (max(c)); -- fails: aggregate functions are not allowed in policy expressions 1468ROLLBACK; 1469 1470-- 1471-- Non-target relations are only subject to SELECT policies 1472-- 1473SET SESSION AUTHORIZATION regress_rls_alice; 1474CREATE TABLE r1 (a int); 1475CREATE TABLE r2 (a int); 1476INSERT INTO r1 VALUES (10), (20); 1477INSERT INTO r2 VALUES (10), (20); 1478 1479GRANT ALL ON r1, r2 TO regress_rls_bob; 1480 1481CREATE POLICY p1 ON r1 USING (true); 1482ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; 1483 1484CREATE POLICY p1 ON r2 FOR SELECT USING (true); 1485CREATE POLICY p2 ON r2 FOR INSERT WITH CHECK (false); 1486CREATE POLICY p3 ON r2 FOR UPDATE USING (false); 1487CREATE POLICY p4 ON r2 FOR DELETE USING (false); 1488ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; 1489 1490SET SESSION AUTHORIZATION regress_rls_bob; 1491SELECT * FROM r1; 1492SELECT * FROM r2; 1493 1494-- r2 is read-only 1495INSERT INTO r2 VALUES (2); -- Not allowed 1496UPDATE r2 SET a = 2 RETURNING *; -- Updates nothing 1497DELETE FROM r2 RETURNING *; -- Deletes nothing 1498 1499-- r2 can be used as a non-target relation in DML 1500INSERT INTO r1 SELECT a + 1 FROM r2 RETURNING *; -- OK 1501UPDATE r1 SET a = r2.a + 2 FROM r2 WHERE r1.a = r2.a RETURNING *; -- OK 1502DELETE FROM r1 USING r2 WHERE r1.a = r2.a + 2 RETURNING *; -- OK 1503SELECT * FROM r1; 1504SELECT * FROM r2; 1505 1506SET SESSION AUTHORIZATION regress_rls_alice; 1507DROP TABLE r1; 1508DROP TABLE r2; 1509 1510-- 1511-- FORCE ROW LEVEL SECURITY applies RLS to owners too 1512-- 1513SET SESSION AUTHORIZATION regress_rls_alice; 1514SET row_security = on; 1515CREATE TABLE r1 (a int); 1516INSERT INTO r1 VALUES (10), (20); 1517 1518CREATE POLICY p1 ON r1 USING (false); 1519ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; 1520ALTER TABLE r1 FORCE ROW LEVEL SECURITY; 1521 1522-- No error, but no rows 1523TABLE r1; 1524 1525-- RLS error 1526INSERT INTO r1 VALUES (1); 1527 1528-- No error (unable to see any rows to update) 1529UPDATE r1 SET a = 1; 1530TABLE r1; 1531 1532-- No error (unable to see any rows to delete) 1533DELETE FROM r1; 1534TABLE r1; 1535 1536SET row_security = off; 1537-- these all fail, would be affected by RLS 1538TABLE r1; 1539UPDATE r1 SET a = 1; 1540DELETE FROM r1; 1541 1542DROP TABLE r1; 1543 1544-- 1545-- FORCE ROW LEVEL SECURITY does not break RI 1546-- 1547SET SESSION AUTHORIZATION regress_rls_alice; 1548SET row_security = on; 1549CREATE TABLE r1 (a int PRIMARY KEY); 1550CREATE TABLE r2 (a int REFERENCES r1); 1551INSERT INTO r1 VALUES (10), (20); 1552INSERT INTO r2 VALUES (10), (20); 1553 1554-- Create policies on r2 which prevent the 1555-- owner from seeing any rows, but RI should 1556-- still see them. 1557CREATE POLICY p1 ON r2 USING (false); 1558ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; 1559ALTER TABLE r2 FORCE ROW LEVEL SECURITY; 1560 1561-- Errors due to rows in r2 1562DELETE FROM r1; 1563 1564-- Reset r2 to no-RLS 1565DROP POLICY p1 ON r2; 1566ALTER TABLE r2 NO FORCE ROW LEVEL SECURITY; 1567ALTER TABLE r2 DISABLE ROW LEVEL SECURITY; 1568 1569-- clean out r2 for INSERT test below 1570DELETE FROM r2; 1571 1572-- Change r1 to not allow rows to be seen 1573CREATE POLICY p1 ON r1 USING (false); 1574ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; 1575ALTER TABLE r1 FORCE ROW LEVEL SECURITY; 1576 1577-- No rows seen 1578TABLE r1; 1579 1580-- No error, RI still sees that row exists in r1 1581INSERT INTO r2 VALUES (10); 1582 1583DROP TABLE r2; 1584DROP TABLE r1; 1585 1586-- Ensure cascaded DELETE works 1587CREATE TABLE r1 (a int PRIMARY KEY); 1588CREATE TABLE r2 (a int REFERENCES r1 ON DELETE CASCADE); 1589INSERT INTO r1 VALUES (10), (20); 1590INSERT INTO r2 VALUES (10), (20); 1591 1592-- Create policies on r2 which prevent the 1593-- owner from seeing any rows, but RI should 1594-- still see them. 1595CREATE POLICY p1 ON r2 USING (false); 1596ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; 1597ALTER TABLE r2 FORCE ROW LEVEL SECURITY; 1598 1599-- Deletes all records from both 1600DELETE FROM r1; 1601 1602-- Remove FORCE from r2 1603ALTER TABLE r2 NO FORCE ROW LEVEL SECURITY; 1604 1605-- As owner, we now bypass RLS 1606-- verify no rows in r2 now 1607TABLE r2; 1608 1609DROP TABLE r2; 1610DROP TABLE r1; 1611 1612-- Ensure cascaded UPDATE works 1613CREATE TABLE r1 (a int PRIMARY KEY); 1614CREATE TABLE r2 (a int REFERENCES r1 ON UPDATE CASCADE); 1615INSERT INTO r1 VALUES (10), (20); 1616INSERT INTO r2 VALUES (10), (20); 1617 1618-- Create policies on r2 which prevent the 1619-- owner from seeing any rows, but RI should 1620-- still see them. 1621CREATE POLICY p1 ON r2 USING (false); 1622ALTER TABLE r2 ENABLE ROW LEVEL SECURITY; 1623ALTER TABLE r2 FORCE ROW LEVEL SECURITY; 1624 1625-- Updates records in both 1626UPDATE r1 SET a = a+5; 1627 1628-- Remove FORCE from r2 1629ALTER TABLE r2 NO FORCE ROW LEVEL SECURITY; 1630 1631-- As owner, we now bypass RLS 1632-- verify records in r2 updated 1633TABLE r2; 1634 1635DROP TABLE r2; 1636DROP TABLE r1; 1637 1638-- 1639-- Test INSERT+RETURNING applies SELECT policies as 1640-- WithCheckOptions (meaning an error is thrown) 1641-- 1642SET SESSION AUTHORIZATION regress_rls_alice; 1643SET row_security = on; 1644CREATE TABLE r1 (a int); 1645 1646CREATE POLICY p1 ON r1 FOR SELECT USING (false); 1647CREATE POLICY p2 ON r1 FOR INSERT WITH CHECK (true); 1648ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; 1649ALTER TABLE r1 FORCE ROW LEVEL SECURITY; 1650 1651-- Works fine 1652INSERT INTO r1 VALUES (10), (20); 1653 1654-- No error, but no rows 1655TABLE r1; 1656 1657SET row_security = off; 1658-- fail, would be affected by RLS 1659TABLE r1; 1660 1661SET row_security = on; 1662 1663-- Error 1664INSERT INTO r1 VALUES (10), (20) RETURNING *; 1665 1666DROP TABLE r1; 1667 1668-- 1669-- Test UPDATE+RETURNING applies SELECT policies as 1670-- WithCheckOptions (meaning an error is thrown) 1671-- 1672SET SESSION AUTHORIZATION regress_rls_alice; 1673SET row_security = on; 1674CREATE TABLE r1 (a int PRIMARY KEY); 1675 1676CREATE POLICY p1 ON r1 FOR SELECT USING (a < 20); 1677CREATE POLICY p2 ON r1 FOR UPDATE USING (a < 20) WITH CHECK (true); 1678CREATE POLICY p3 ON r1 FOR INSERT WITH CHECK (true); 1679INSERT INTO r1 VALUES (10); 1680ALTER TABLE r1 ENABLE ROW LEVEL SECURITY; 1681ALTER TABLE r1 FORCE ROW LEVEL SECURITY; 1682 1683-- Works fine 1684UPDATE r1 SET a = 30; 1685 1686-- Show updated rows 1687ALTER TABLE r1 NO FORCE ROW LEVEL SECURITY; 1688TABLE r1; 1689-- reset value in r1 for test with RETURNING 1690UPDATE r1 SET a = 10; 1691 1692-- Verify row reset 1693TABLE r1; 1694 1695ALTER TABLE r1 FORCE ROW LEVEL SECURITY; 1696 1697-- Error 1698UPDATE r1 SET a = 30 RETURNING *; 1699 1700-- UPDATE path of INSERT ... ON CONFLICT DO UPDATE should also error out 1701INSERT INTO r1 VALUES (10) 1702 ON CONFLICT (a) DO UPDATE SET a = 30 RETURNING *; 1703 1704-- Should still error out without RETURNING (use of arbiter always requires 1705-- SELECT permissions) 1706INSERT INTO r1 VALUES (10) 1707 ON CONFLICT (a) DO UPDATE SET a = 30; 1708INSERT INTO r1 VALUES (10) 1709 ON CONFLICT ON CONSTRAINT r1_pkey DO UPDATE SET a = 30; 1710 1711DROP TABLE r1; 1712 1713-- Check dependency handling 1714RESET SESSION AUTHORIZATION; 1715CREATE TABLE dep1 (c1 int); 1716CREATE TABLE dep2 (c1 int); 1717 1718CREATE POLICY dep_p1 ON dep1 TO regress_rls_bob USING (c1 > (select max(dep2.c1) from dep2)); 1719ALTER POLICY dep_p1 ON dep1 TO regress_rls_bob,regress_rls_carol; 1720 1721-- Should return one 1722SELECT count(*) = 1 FROM pg_depend 1723 WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') 1724 AND refobjid = (SELECT oid FROM pg_class WHERE relname = 'dep2'); 1725 1726ALTER POLICY dep_p1 ON dep1 USING (true); 1727 1728-- Should return one 1729SELECT count(*) = 1 FROM pg_shdepend 1730 WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') 1731 AND refobjid = (SELECT oid FROM pg_authid WHERE rolname = 'regress_rls_bob'); 1732 1733-- Should return one 1734SELECT count(*) = 1 FROM pg_shdepend 1735 WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') 1736 AND refobjid = (SELECT oid FROM pg_authid WHERE rolname = 'regress_rls_carol'); 1737 1738-- Should return zero 1739SELECT count(*) = 0 FROM pg_depend 1740 WHERE objid = (SELECT oid FROM pg_policy WHERE polname = 'dep_p1') 1741 AND refobjid = (SELECT oid FROM pg_class WHERE relname = 'dep2'); 1742 1743-- DROP OWNED BY testing 1744RESET SESSION AUTHORIZATION; 1745 1746CREATE ROLE regress_rls_dob_role1; 1747CREATE ROLE regress_rls_dob_role2; 1748 1749CREATE TABLE dob_t1 (c1 int); 1750CREATE TABLE dob_t2 (c1 int) PARTITION BY RANGE (c1); 1751 1752CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1 USING (true); 1753DROP OWNED BY regress_rls_dob_role1; 1754DROP POLICY p1 ON dob_t1; -- should fail, already gone 1755 1756CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1,regress_rls_dob_role2 USING (true); 1757DROP OWNED BY regress_rls_dob_role1; 1758DROP POLICY p1 ON dob_t1; -- should succeed 1759 1760-- same cases with duplicate polroles entries 1761CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1,regress_rls_dob_role1 USING (true); 1762DROP OWNED BY regress_rls_dob_role1; 1763DROP POLICY p1 ON dob_t1; -- should fail, already gone 1764 1765CREATE POLICY p1 ON dob_t1 TO regress_rls_dob_role1,regress_rls_dob_role1,regress_rls_dob_role2 USING (true); 1766DROP OWNED BY regress_rls_dob_role1; 1767DROP POLICY p1 ON dob_t1; -- should succeed 1768 1769-- partitioned target 1770CREATE POLICY p1 ON dob_t2 TO regress_rls_dob_role1,regress_rls_dob_role2 USING (true); 1771DROP OWNED BY regress_rls_dob_role1; 1772DROP POLICY p1 ON dob_t2; -- should succeed 1773 1774DROP USER regress_rls_dob_role1; 1775DROP USER regress_rls_dob_role2; 1776 1777-- Bug #15708: view + table with RLS should check policies as view owner 1778CREATE TABLE ref_tbl (a int); 1779INSERT INTO ref_tbl VALUES (1); 1780 1781CREATE TABLE rls_tbl (a int); 1782INSERT INTO rls_tbl VALUES (10); 1783ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; 1784CREATE POLICY p1 ON rls_tbl USING (EXISTS (SELECT 1 FROM ref_tbl)); 1785 1786GRANT SELECT ON ref_tbl TO regress_rls_bob; 1787GRANT SELECT ON rls_tbl TO regress_rls_bob; 1788 1789CREATE VIEW rls_view AS SELECT * FROM rls_tbl; 1790ALTER VIEW rls_view OWNER TO regress_rls_bob; 1791GRANT SELECT ON rls_view TO regress_rls_alice; 1792 1793SET SESSION AUTHORIZATION regress_rls_alice; 1794SELECT * FROM ref_tbl; -- Permission denied 1795SELECT * FROM rls_tbl; -- Permission denied 1796SELECT * FROM rls_view; -- OK 1797RESET SESSION AUTHORIZATION; 1798 1799DROP VIEW rls_view; 1800DROP TABLE rls_tbl; 1801DROP TABLE ref_tbl; 1802 1803-- Leaky operator test 1804CREATE TABLE rls_tbl (a int); 1805INSERT INTO rls_tbl SELECT x/10 FROM generate_series(1, 100) x; 1806ANALYZE rls_tbl; 1807 1808ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; 1809GRANT SELECT ON rls_tbl TO regress_rls_alice; 1810 1811SET SESSION AUTHORIZATION regress_rls_alice; 1812CREATE FUNCTION op_leak(int, int) RETURNS bool 1813 AS 'BEGIN RAISE NOTICE ''op_leak => %, %'', $1, $2; RETURN $1 < $2; END' 1814 LANGUAGE plpgsql; 1815CREATE OPERATOR <<< (procedure = op_leak, leftarg = int, rightarg = int, 1816 restrict = scalarltsel); 1817SELECT * FROM rls_tbl WHERE a <<< 1000; 1818DROP OPERATOR <<< (int, int); 1819DROP FUNCTION op_leak(int, int); 1820RESET SESSION AUTHORIZATION; 1821DROP TABLE rls_tbl; 1822 1823-- Bug #16006: whole-row Vars in a policy don't play nice with sub-selects 1824SET SESSION AUTHORIZATION regress_rls_alice; 1825CREATE TABLE rls_tbl (a int, b int, c int); 1826CREATE POLICY p1 ON rls_tbl USING (rls_tbl >= ROW(1,1,1)); 1827 1828ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; 1829ALTER TABLE rls_tbl FORCE ROW LEVEL SECURITY; 1830 1831INSERT INTO rls_tbl SELECT 10, 20, 30; 1832EXPLAIN (VERBOSE, COSTS OFF) 1833INSERT INTO rls_tbl 1834 SELECT * FROM (SELECT b, c FROM rls_tbl ORDER BY a) ss; 1835INSERT INTO rls_tbl 1836 SELECT * FROM (SELECT b, c FROM rls_tbl ORDER BY a) ss; 1837SELECT * FROM rls_tbl; 1838 1839DROP TABLE rls_tbl; 1840RESET SESSION AUTHORIZATION; 1841 1842-- 1843-- Clean up objects 1844-- 1845RESET SESSION AUTHORIZATION; 1846 1847DROP SCHEMA regress_rls_schema CASCADE; 1848 1849DROP USER regress_rls_alice; 1850DROP USER regress_rls_bob; 1851DROP USER regress_rls_carol; 1852DROP USER regress_rls_dave; 1853DROP USER regress_rls_exempt_user; 1854DROP ROLE regress_rls_group1; 1855DROP ROLE regress_rls_group2; 1856 1857-- Arrange to have a few policies left over, for testing 1858-- pg_dump/pg_restore 1859CREATE SCHEMA regress_rls_schema; 1860CREATE TABLE rls_tbl (c1 int); 1861ALTER TABLE rls_tbl ENABLE ROW LEVEL SECURITY; 1862CREATE POLICY p1 ON rls_tbl USING (c1 > 5); 1863CREATE POLICY p2 ON rls_tbl FOR SELECT USING (c1 <= 3); 1864CREATE POLICY p3 ON rls_tbl FOR UPDATE USING (c1 <= 3) WITH CHECK (c1 > 5); 1865CREATE POLICY p4 ON rls_tbl FOR DELETE USING (c1 <= 3); 1866 1867CREATE TABLE rls_tbl_force (c1 int); 1868ALTER TABLE rls_tbl_force ENABLE ROW LEVEL SECURITY; 1869ALTER TABLE rls_tbl_force FORCE ROW LEVEL SECURITY; 1870CREATE POLICY p1 ON rls_tbl_force USING (c1 = 5) WITH CHECK (c1 < 5); 1871CREATE POLICY p2 ON rls_tbl_force FOR SELECT USING (c1 = 8); 1872CREATE POLICY p3 ON rls_tbl_force FOR UPDATE USING (c1 = 8) WITH CHECK (c1 >= 5); 1873CREATE POLICY p4 ON rls_tbl_force FOR DELETE USING (c1 = 8); 1874