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|
--
-- Regression Tests for Label Management
--
--
-- Setup
--
CREATE TABLE t1 (a int, b text);
INSERT INTO t1 VALUES (1, 'aaa'), (2, 'bbb'), (3, 'ccc');
CREATE TABLE t2 AS SELECT * FROM t1 WHERE a % 2 = 0;
CREATE FUNCTION f1 () RETURNS text
AS 'SELECT sepgsql_getcon()'
LANGUAGE sql;
CREATE FUNCTION f2 () RETURNS text
AS 'SELECT sepgsql_getcon()'
LANGUAGE sql;
SECURITY LABEL ON FUNCTION f2()
IS 'system_u:object_r:sepgsql_trusted_proc_exec_t:s0';
CREATE FUNCTION f3 () RETURNS text
AS 'BEGIN
RAISE EXCEPTION ''an exception from f3()'';
RETURN NULL;
END;' LANGUAGE plpgsql;
SECURITY LABEL ON FUNCTION f3()
IS 'system_u:object_r:sepgsql_trusted_proc_exec_t:s0';
CREATE FUNCTION f4 () RETURNS text
AS 'SELECT sepgsql_getcon()'
LANGUAGE sql;
SECURITY LABEL ON FUNCTION f4()
IS 'system_u:object_r:sepgsql_nosuch_trusted_proc_exec_t:s0';
CREATE FUNCTION f5 (text) RETURNS bool
AS 'SELECT sepgsql_setcon($1)'
LANGUAGE sql;
SECURITY LABEL ON FUNCTION f5(text)
IS 'system_u:object_r:sepgsql_regtest_trusted_proc_exec_t:s0';
CREATE TABLE auth_tbl(uname text, credential text, label text);
INSERT INTO auth_tbl
VALUES ('foo', 'acbd18db4cc2f85cedef654fccc4a4d8', 'sepgsql_regtest_foo_t:s0'),
('var', 'b2145aac704ce76dbe1ac7adac535b23', 'sepgsql_regtest_var_t:s0'),
('baz', 'b2145aac704ce76dbe1ac7adac535b23', 'sepgsql_regtest_baz_t:s0');
SECURITY LABEL ON TABLE auth_tbl
IS 'system_u:object_r:sepgsql_secret_table_t:s0';
CREATE FUNCTION auth_func(text, text) RETURNS bool
LANGUAGE sql
AS 'SELECT sepgsql_setcon(regexp_replace(sepgsql_getcon(), ''_r:.*$'', ''_r:'' || label))
FROM auth_tbl WHERE uname = $1 AND credential = $2';
SECURITY LABEL ON FUNCTION auth_func(text,text)
IS 'system_u:object_r:sepgsql_regtest_trusted_proc_exec_t:s0';
CREATE TABLE foo_tbl(a int, b text);
INSERT INTO foo_tbl VALUES (1, 'aaa'), (2,'bbb'), (3,'ccc'), (4,'ddd');
SECURITY LABEL ON TABLE foo_tbl
IS 'system_u:object_r:sepgsql_regtest_foo_table_t:s0';
CREATE TABLE var_tbl(x int, y text);
INSERT INTO var_tbl VALUES (2,'xxx'), (3,'yyy'), (4,'zzz'), (5,'xyz');
SECURITY LABEL ON TABLE var_tbl
IS 'system_u:object_r:sepgsql_regtest_var_table_t:s0';
CREATE TABLE foo_ptbl(o int, p text) PARTITION BY RANGE (o);
CREATE TABLE foo_ptbl_ones PARTITION OF foo_ptbl FOR VALUES FROM ('0') TO ('10');
CREATE TABLE foo_ptbl_tens PARTITION OF foo_ptbl FOR VALUES FROM ('10') TO ('100');
INSERT INTO foo_ptbl VALUES (0, 'aaa'), (9,'bbb'), (10,'ccc'), (99,'ddd');
SECURITY LABEL ON TABLE foo_ptbl
IS 'system_u:object_r:sepgsql_regtest_foo_table_t:s0';
CREATE TABLE var_ptbl(q int, r text) PARTITION BY RANGE (q);
CREATE TABLE var_ptbl_ones PARTITION OF var_ptbl FOR VALUES FROM ('0') TO ('10');
CREATE TABLE var_ptbl_tens PARTITION OF var_ptbl FOR VALUES FROM ('10') TO ('100');
INSERT INTO var_ptbl VALUES (0,'xxx'), (9,'yyy'), (10,'zzz'), (99,'xyz');
SECURITY LABEL ON TABLE var_ptbl
IS 'system_u:object_r:sepgsql_regtest_var_table_t:s0';
--
-- Tests for default labeling behavior
--
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
(1 row)
CREATE TABLE t3 (s int, t text);
INSERT INTO t3 VALUES (1, 'sss'), (2, 'ttt'), (3, 'uuu');
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_dba_t:s0
(1 row)
CREATE TABLE t4 (m int, n text);
INSERT INTO t4 VALUES (1,'mmm'), (2,'nnn'), (3,'ooo');
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
(1 row)
CREATE TABLE tpart (o int, p text) PARTITION BY RANGE (o);
CREATE TABLE tpart_ones PARTITION OF tpart FOR VALUES FROM ('0') TO ('10');
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_dba_t:s0
(1 row)
CREATE TABLE tpart_tens PARTITION OF tpart FOR VALUES FROM ('10') TO ('100');
INSERT INTO tpart VALUES (0, 'aaa');
INSERT INTO tpart VALUES (9, 'bbb');
INSERT INTO tpart VALUES (99, 'ccc');
SELECT objtype, objname, label FROM pg_seclabels
WHERE provider = 'selinux' AND objtype = 'table' AND objname in ('t1', 't2', 't3',
'tpart',
'tpart_ones',
'tpart_tens')
ORDER BY objname COLLATE "C" ASC;
objtype | objname | label
---------+------------+-----------------------------------------------
table | t1 | unconfined_u:object_r:sepgsql_table_t:s0
table | t2 | unconfined_u:object_r:sepgsql_table_t:s0
table | t3 | unconfined_u:object_r:user_sepgsql_table_t:s0
table | tpart | unconfined_u:object_r:user_sepgsql_table_t:s0
table | tpart_ones | unconfined_u:object_r:user_sepgsql_table_t:s0
table | tpart_tens | unconfined_u:object_r:sepgsql_table_t:s0
(6 rows)
SELECT objtype, objname, label FROM pg_seclabels
WHERE provider = 'selinux' AND objtype = 'column' AND (objname like 't3.%'
OR objname like 't4.%'
OR objname like 'tpart.%'
OR objname like 'tpart_ones.%'
OR objname like 'tpart_tens.%')
ORDER BY objname COLLATE "C" ASC;
objtype | objname | label
---------+---------------------+-----------------------------------------------
column | t3.cmax | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t3.cmin | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t3.ctid | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t3.s | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t3.t | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t3.tableoid | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t3.xmax | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t3.xmin | unconfined_u:object_r:user_sepgsql_table_t:s0
column | t4.cmax | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | t4.cmin | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | t4.ctid | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | t4.m | unconfined_u:object_r:sepgsql_table_t:s0
column | t4.n | unconfined_u:object_r:sepgsql_table_t:s0
column | t4.tableoid | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | t4.xmax | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | t4.xmin | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | tpart.cmax | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart.cmin | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart.ctid | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart.o | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart.p | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart.tableoid | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart.xmax | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart.xmin | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.cmax | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.cmin | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.ctid | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.o | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.p | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.tableoid | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.xmax | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_ones.xmin | unconfined_u:object_r:user_sepgsql_table_t:s0
column | tpart_tens.cmax | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | tpart_tens.cmin | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | tpart_tens.ctid | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | tpart_tens.o | unconfined_u:object_r:sepgsql_table_t:s0
column | tpart_tens.p | unconfined_u:object_r:sepgsql_table_t:s0
column | tpart_tens.tableoid | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | tpart_tens.xmax | unconfined_u:object_r:sepgsql_sysobj_t:s0
column | tpart_tens.xmin | unconfined_u:object_r:sepgsql_sysobj_t:s0
(40 rows)
--
-- Tests for SECURITY LABEL
--
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_dba_t:s0
(1 row)
SECURITY LABEL ON TABLE t1
IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- ok
SECURITY LABEL ON TABLE t2
IS 'invalid security context'; -- be failed
ERROR: SELinux: invalid security label: "invalid security context"
SECURITY LABEL ON COLUMN t2
IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- be failed
ERROR: column name must be qualified
SECURITY LABEL ON COLUMN t2.b
IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- ok
SECURITY LABEL ON TABLE tpart
IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- ok
SECURITY LABEL ON TABLE tpart
IS 'invalid security context'; -- failed
ERROR: SELinux: invalid security label: "invalid security context"
SECURITY LABEL ON COLUMN tpart
IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- failed
ERROR: column name must be qualified
SECURITY LABEL ON COLUMN tpart.o
IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- ok
--
-- Tests for Trusted Procedures
--
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
(1 row)
SET sepgsql.debug_audit = true;
SET client_min_messages = log;
SELECT f1(); -- normal procedure
LOG: SELinux: allowed { execute } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="public.f1()" permissive=0
LOG: SELinux: allowed { execute } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="pg_catalog.sepgsql_getcon()" permissive=0
f1
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
(1 row)
SELECT f2(); -- trusted procedure
LOG: SELinux: allowed { execute } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_trusted_proc_exec_t:s0 tclass=db_procedure name="public.f2()" permissive=0
LOG: SELinux: allowed { entrypoint } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_trusted_proc_exec_t:s0 tclass=db_procedure name="function f2()" permissive=0
LOG: SELinux: allowed { transition } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=unconfined_u:unconfined_r:sepgsql_trusted_proc_t:s0 tclass=process permissive=0
LOG: SELinux: allowed { execute } scontext=unconfined_u:unconfined_r:sepgsql_trusted_proc_t:s0 tcontext=system_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="pg_catalog.sepgsql_getcon()" permissive=0
f2
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_trusted_proc_t:s0
(1 row)
SELECT f3(); -- trusted procedure that raises an error
LOG: SELinux: allowed { execute } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_trusted_proc_exec_t:s0 tclass=db_procedure name="public.f3()" permissive=0
LOG: SELinux: allowed { entrypoint } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_trusted_proc_exec_t:s0 tclass=db_procedure name="function f3()" permissive=0
LOG: SELinux: allowed { transition } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=unconfined_u:unconfined_r:sepgsql_trusted_proc_t:s0 tclass=process permissive=0
ERROR: an exception from f3()
CONTEXT: PL/pgSQL function f3() line 2 at RAISE
SELECT f4(); -- failed on domain transition
LOG: SELinux: allowed { execute } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_nosuch_trusted_proc_exec_t:s0 tclass=db_procedure name="public.f4()" permissive=0
LOG: SELinux: allowed { entrypoint } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_nosuch_trusted_proc_exec_t:s0 tclass=db_procedure name="function f4()" permissive=0
LOG: SELinux: denied { transition } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=unconfined_u:unconfined_r:sepgsql_regtest_nosuch_t:s0 tclass=process permissive=0
ERROR: SELinux: security policy violation
SELECT sepgsql_getcon(); -- client's label must be restored
LOG: SELinux: allowed { execute } scontext=unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0 tcontext=system_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="pg_catalog.sepgsql_getcon()" permissive=0
sepgsql_getcon
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
(1 row)
--
-- Test for Dynamic Domain Transition
--
-- validation of transaction aware dynamic-transition
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
-----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c25
(1 row)
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c15');
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c15
(1 row)
SELECT sepgsql_setcon(NULL); -- failed to reset
ERROR: SELinux: security policy violation
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c15
(1 row)
BEGIN;
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c12');
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c12
(1 row)
SAVEPOINT svpt_1;
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c9');
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c9
(1 row)
SAVEPOINT svpt_2;
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c6');
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c6
(1 row)
SAVEPOINT svpt_3;
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c3');
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c3
(1 row)
ROLLBACK TO SAVEPOINT svpt_2;
SELECT sepgsql_getcon(); -- should be 's0:c0.c9'
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c9
(1 row)
ROLLBACK TO SAVEPOINT svpt_1;
SELECT sepgsql_getcon(); -- should be 's0:c0.c12'
sepgsql_getcon
-----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c12
(1 row)
ABORT;
SELECT sepgsql_getcon(); -- should be 's0:c0.c15'
sepgsql_getcon
-----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c15
(1 row)
BEGIN;
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c8');
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c8
(1 row)
SAVEPOINT svpt_1;
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c4');
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c4
(1 row)
ROLLBACK TO SAVEPOINT svpt_1;
SELECT sepgsql_getcon(); -- should be 's0:c0.c8'
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c8
(1 row)
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c6');
sepgsql_setcon
----------------
t
(1 row)
COMMIT;
SELECT sepgsql_getcon(); -- should be 's0:c0.c6'
sepgsql_getcon
----------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0:c0.c6
(1 row)
-- sepgsql_regtest_user_t is not available dynamic-transition,
-- unless sepgsql_setcon() is called inside of trusted-procedure
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c15
(1 row)
-- sepgsql_regtest_user_t has no permission to switch current label
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0'); -- failed
ERROR: SELinux: security policy violation
SELECT sepgsql_getcon();
sepgsql_getcon
------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c15
(1 row)
-- trusted procedure allows to switch, but unavailable to override MCS rules
SELECT f5('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7'); -- OK
f5
----
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
(1 row)
SELECT f5('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c31'); -- Failed
ERROR: SELinux: security policy violation
CONTEXT: SQL function "f5" statement 1
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
(1 row)
SELECT f5(NULL); -- Failed
ERROR: SELinux: security policy violation
CONTEXT: SQL function "f5" statement 1
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
(1 row)
BEGIN;
SELECT f5('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c3'); -- OK
f5
----
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c3
(1 row)
ABORT;
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
(1 row)
--
-- Test for simulation of typical connection pooling server
--
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_pool_t:s0
(1 row)
-- we shouldn't allow to switch client label without trusted procedure
SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_foo_t:s0');
ERROR: SELinux: security policy violation
SELECT * FROM auth_tbl; -- failed, no permission to reference
ERROR: SELinux: security policy violation
-- switch to "foo"
SELECT auth_func('foo', 'acbd18db4cc2f85cedef654fccc4a4d8');
auth_func
-----------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_foo_t:s0
(1 row)
SELECT * FROM foo_tbl; -- OK
a | b
---+-----
1 | aaa
2 | bbb
3 | ccc
4 | ddd
(4 rows)
SELECT * FROM foo_ptbl; -- OK
o | p
----+-----
0 | aaa
9 | bbb
10 | ccc
99 | ddd
(4 rows)
SELECT * FROM var_tbl; -- failed
ERROR: SELinux: security policy violation
SELECT * FROM var_ptbl; -- failed
ERROR: SELinux: security policy violation
SELECT * FROM auth_tbl; -- failed
ERROR: SELinux: security policy violation
SELECT sepgsql_setcon(NULL); -- end of session
sepgsql_setcon
----------------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_pool_t:s0
(1 row)
-- the pooler cannot touch these tables directly
SELECT * FROM foo_tbl; -- failed
ERROR: SELinux: security policy violation
SELECT * FROM foo_ptbl; -- failed
ERROR: SELinux: security policy violation
SELECT * FROM var_tbl; -- failed
ERROR: SELinux: security policy violation
SELECT * FROM var_ptbl; -- failed
ERROR: SELinux: security policy violation
-- switch to "var"
SELECT auth_func('var', 'b2145aac704ce76dbe1ac7adac535b23');
auth_func
-----------
t
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_var_t:s0
(1 row)
SELECT * FROM foo_tbl; -- failed
ERROR: SELinux: security policy violation
SELECT * FROM foo_ptbl; -- failed
ERROR: SELinux: security policy violation
SELECT * FROM var_tbl; -- OK
x | y
---+-----
2 | xxx
3 | yyy
4 | zzz
5 | xyz
(4 rows)
SELECT * FROM var_ptbl; -- OK
q | r
----+-----
0 | xxx
9 | yyy
10 | zzz
99 | xyz
(4 rows)
SELECT * FROM auth_tbl; -- failed
ERROR: SELinux: security policy violation
SELECT sepgsql_setcon(NULL); -- end of session
sepgsql_setcon
----------------
t
(1 row)
-- misc checks
SELECT auth_func('var', 'invalid credential'); -- not works
auth_func
-----------
(1 row)
SELECT sepgsql_getcon();
sepgsql_getcon
-----------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_pool_t:s0
(1 row)
--
-- Clean up
--
SELECT sepgsql_getcon(); -- confirm client privilege
sepgsql_getcon
---------------------------------------------------------------------
unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0-s0:c0.c255
(1 row)
DROP TABLE IF EXISTS t1 CASCADE;
DROP TABLE IF EXISTS t2 CASCADE;
DROP TABLE IF EXISTS t3 CASCADE;
DROP TABLE IF EXISTS t4 CASCADE;
DROP TABLE IF EXISTS tpart CASCADE;
DROP FUNCTION IF EXISTS f1() CASCADE;
DROP FUNCTION IF EXISTS f2() CASCADE;
DROP FUNCTION IF EXISTS f3() CASCADE;
DROP FUNCTION IF EXISTS f4() CASCADE;
DROP FUNCTION IF EXISTS f5(text) CASCADE;
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