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8fbe5a317d
When the column name is an unqualified name, rather than table.column, the error message complains about too many dotted names, which is wrong. Report by Peter Eisentraut based on examination of the sepgsql regression test output, but the problem also affects COMMENT. New wording as suggested by Tom Lane.
464 lines
14 KiB
Plaintext
464 lines
14 KiB
Plaintext
--
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-- Regression Tests for Label Management
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--
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--
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-- Setup
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--
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CREATE TABLE t1 (a int, b text);
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INSERT INTO t1 VALUES (1, 'aaa'), (2, 'bbb'), (3, 'ccc');
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SELECT * INTO t2 FROM t1 WHERE a % 2 = 0;
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CREATE FUNCTION f1 () RETURNS text
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AS 'SELECT sepgsql_getcon()'
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LANGUAGE sql;
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CREATE FUNCTION f2 () RETURNS text
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AS 'SELECT sepgsql_getcon()'
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LANGUAGE sql;
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SECURITY LABEL ON FUNCTION f2()
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IS 'system_u:object_r:sepgsql_trusted_proc_exec_t:s0';
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CREATE FUNCTION f3 () RETURNS text
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AS 'BEGIN
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RAISE EXCEPTION ''an exception from f3()'';
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RETURN NULL;
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END;' LANGUAGE plpgsql;
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SECURITY LABEL ON FUNCTION f3()
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IS 'system_u:object_r:sepgsql_trusted_proc_exec_t:s0';
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CREATE FUNCTION f4 () RETURNS text
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AS 'SELECT sepgsql_getcon()'
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LANGUAGE sql;
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SECURITY LABEL ON FUNCTION f4()
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IS 'system_u:object_r:sepgsql_nosuch_trusted_proc_exec_t:s0';
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CREATE FUNCTION f5 (text) RETURNS bool
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AS 'SELECT sepgsql_setcon($1)'
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LANGUAGE sql;
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SECURITY LABEL ON FUNCTION f5(text)
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IS 'system_u:object_r:sepgsql_regtest_trusted_proc_exec_t:s0';
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CREATE TABLE auth_tbl(uname text, credential text, label text);
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INSERT INTO auth_tbl
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VALUES ('foo', 'acbd18db4cc2f85cedef654fccc4a4d8', 'sepgsql_regtest_foo_t:s0'),
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('var', 'b2145aac704ce76dbe1ac7adac535b23', 'sepgsql_regtest_var_t:s0'),
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('baz', 'b2145aac704ce76dbe1ac7adac535b23', 'sepgsql_regtest_baz_t:s0');
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SECURITY LABEL ON TABLE auth_tbl
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IS 'system_u:object_r:sepgsql_secret_table_t:s0';
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CREATE FUNCTION auth_func(text, text) RETURNS bool
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LANGUAGE sql
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AS 'SELECT sepgsql_setcon(regexp_replace(sepgsql_getcon(), ''_r:.*$'', ''_r:'' || label))
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FROM auth_tbl WHERE uname = $1 AND credential = $2';
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SECURITY LABEL ON FUNCTION auth_func(text,text)
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IS 'system_u:object_r:sepgsql_regtest_trusted_proc_exec_t:s0';
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CREATE TABLE foo_tbl(a int, b text);
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INSERT INTO foo_tbl VALUES (1, 'aaa'), (2,'bbb'), (3,'ccc'), (4,'ddd');
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SECURITY LABEL ON TABLE foo_tbl
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IS 'system_u:object_r:sepgsql_regtest_foo_table_t:s0';
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CREATE TABLE var_tbl(x int, y text);
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INSERT INTO var_tbl VALUES (2,'xxx'), (3,'yyy'), (4,'zzz'), (5,'xyz');
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SECURITY LABEL ON TABLE var_tbl
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IS 'system_u:object_r:sepgsql_regtest_var_table_t:s0';
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--
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-- Tests for default labeling behavior
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--
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SELECT sepgsql_getcon(); -- confirm client privilege
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sepgsql_getcon
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
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(1 row)
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CREATE TABLE t3 (s int, t text);
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INSERT INTO t3 VALUES (1, 'sss'), (2, 'ttt'), (3, 'uuu');
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SELECT objtype, objname, label FROM pg_seclabels
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WHERE provider = 'selinux'
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AND objtype in ('table', 'column')
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AND objname in ('t1', 't2', 't3');
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objtype | objname | label
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---------+---------+-----------------------------------------------
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table | t1 | unconfined_u:object_r:sepgsql_table_t:s0
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table | t2 | unconfined_u:object_r:sepgsql_table_t:s0
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table | t3 | unconfined_u:object_r:user_sepgsql_table_t:s0
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(3 rows)
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--
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-- Tests for SECURITY LABEL
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--
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SELECT sepgsql_getcon(); -- confirm client privilege
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sepgsql_getcon
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----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_dba_t:s0
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(1 row)
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SECURITY LABEL ON TABLE t1
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IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- ok
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SECURITY LABEL ON TABLE t2
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IS 'invalid security context'; -- be failed
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ERROR: SELinux: invalid security label: "invalid security context"
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SECURITY LABEL ON COLUMN t2
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IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- be failed
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ERROR: column name must be qualified
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SECURITY LABEL ON COLUMN t2.b
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IS 'system_u:object_r:sepgsql_ro_table_t:s0'; -- ok
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--
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-- Tests for Trusted Procedures
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--
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SELECT sepgsql_getcon(); -- confirm client privilege
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sepgsql_getcon
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
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(1 row)
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SELECT f1(); -- normal procedure
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f1
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
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(1 row)
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SELECT f2(); -- trusted procedure
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f2
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_trusted_proc_t:s0
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(1 row)
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SELECT f3(); -- trusted procedure that raises an error
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ERROR: an exception from f3()
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SELECT f4(); -- failed on domain transition
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ERROR: SELinux: security policy violation
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SELECT sepgsql_getcon(); -- client's label must be restored
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sepgsql_getcon
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0
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(1 row)
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--
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-- Test for Dynamic Domain Transition
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--
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-- validation of transaction aware dynamic-transition
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SELECT sepgsql_getcon(); -- confirm client privilege
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sepgsql_getcon
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--------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c25
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(1 row)
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c15');
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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--------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c15
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(1 row)
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SELECT sepgsql_setcon(NULL); -- failed to reset
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ERROR: SELinux: security policy violation
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SELECT sepgsql_getcon();
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sepgsql_getcon
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--------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c15
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(1 row)
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BEGIN;
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c12');
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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--------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c12
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(1 row)
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SAVEPOINT svpt_1;
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c9');
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c9
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(1 row)
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SAVEPOINT svpt_2;
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c6');
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c6
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(1 row)
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SAVEPOINT svpt_3;
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c3');
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c3
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(1 row)
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ROLLBACK TO SAVEPOINT svpt_2;
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SELECT sepgsql_getcon(); -- should be 's0:c0.c9'
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c9
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(1 row)
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ROLLBACK TO SAVEPOINT svpt_1;
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SELECT sepgsql_getcon(); -- should be 's0:c0.c12'
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sepgsql_getcon
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--------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c12
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(1 row)
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ABORT;
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SELECT sepgsql_getcon(); -- should be 's0:c0.c15'
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sepgsql_getcon
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--------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c15
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(1 row)
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BEGIN;
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c8');
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c8
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(1 row)
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SAVEPOINT svpt_1;
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c4');
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c4
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(1 row)
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ROLLBACK TO SAVEPOINT svpt_1;
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SELECT sepgsql_getcon(); -- should be 's0:c0.c8'
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c8
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(1 row)
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:unconfined_t:s0:c0.c6');
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sepgsql_setcon
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----------------
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t
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(1 row)
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COMMIT;
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SELECT sepgsql_getcon(); -- should be 's0:c0.c6'
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sepgsql_getcon
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-------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0:c0.c6
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(1 row)
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-- sepgsql_regtest_user_t is not available dynamic-transition,
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-- unless sepgsql_setcon() is called inside of trusted-procedure
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SELECT sepgsql_getcon(); -- confirm client privilege
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sepgsql_getcon
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------------------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c15
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(1 row)
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-- sepgsql_regtest_user_t has no permission to switch current label
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0'); -- failed
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ERROR: SELinux: security policy violation
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SELECT sepgsql_getcon();
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sepgsql_getcon
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------------------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c15
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(1 row)
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-- trusted procedure allows to switch, but unavailable to override MCS rules
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SELECT f5('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7'); -- OK
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f5
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----
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-----------------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
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(1 row)
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SELECT f5('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c31'); -- Failed
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ERROR: SELinux: security policy violation
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CONTEXT: SQL function "f5" statement 1
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-----------------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
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(1 row)
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SELECT f5(NULL); -- Failed
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ERROR: SELinux: security policy violation
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CONTEXT: SQL function "f5" statement 1
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-----------------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
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(1 row)
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BEGIN;
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SELECT f5('unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c3'); -- OK
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f5
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----
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-----------------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c3
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(1 row)
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ABORT;
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-----------------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_user_t:s0:c0.c7
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(1 row)
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--
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-- Test for simulation of typical connection pooling server
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--
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SELECT sepgsql_getcon(); -- confirm client privilege
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sepgsql_getcon
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_pool_t:s0
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(1 row)
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-- we shouldn't allow to switch client label without trusted procedure
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SELECT sepgsql_setcon('unconfined_u:unconfined_r:sepgsql_regtest_foo_t:s0');
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ERROR: SELinux: security policy violation
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SELECT * FROM auth_tbl; -- failed, no permission to reference
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ERROR: SELinux: security policy violation
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-- switch to "foo"
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SELECT auth_func('foo', 'acbd18db4cc2f85cedef654fccc4a4d8');
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auth_func
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-----------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_foo_t:s0
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(1 row)
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SELECT * FROM foo_tbl; -- OK
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a | b
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---+-----
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1 | aaa
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2 | bbb
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3 | ccc
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4 | ddd
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(4 rows)
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SELECT * FROM var_tbl; -- failed
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ERROR: SELinux: security policy violation
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SELECT * FROM auth_tbl; -- failed
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ERROR: SELinux: security policy violation
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SELECT sepgsql_setcon(NULL); -- end of session
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sepgsql_setcon
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----------------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_pool_t:s0
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(1 row)
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-- the pooler cannot touch these tables directry
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SELECT * FROM foo_tbl; -- failed
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ERROR: SELinux: security policy violation
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SELECT * FROM var_tbl; -- failed
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ERROR: SELinux: security policy violation
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-- switch to "var"
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SELECT auth_func('var', 'b2145aac704ce76dbe1ac7adac535b23');
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auth_func
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-----------
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t
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_var_t:s0
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(1 row)
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SELECT * FROM foo_tbl; -- failed
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ERROR: SELinux: security policy violation
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SELECT * FROM var_tbl; -- OK
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x | y
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---+-----
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2 | xxx
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3 | yyy
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4 | zzz
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5 | xyz
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(4 rows)
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SELECT * FROM auth_tbl; -- failed
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ERROR: SELinux: security policy violation
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SELECT sepgsql_setcon(NULL); -- end of session
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sepgsql_setcon
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----------------
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t
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(1 row)
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-- misc checks
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SELECT auth_func('var', 'invalid credential'); -- not works
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auth_func
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-----------
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(1 row)
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SELECT sepgsql_getcon();
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sepgsql_getcon
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-----------------------------------------------------
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unconfined_u:unconfined_r:sepgsql_regtest_pool_t:s0
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(1 row)
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--
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-- Clean up
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--
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SELECT sepgsql_getcon(); -- confirm client privilege
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sepgsql_getcon
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------------------------------------------------------
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unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c255
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(1 row)
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DROP TABLE IF EXISTS t1 CASCADE;
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DROP TABLE IF EXISTS t2 CASCADE;
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DROP TABLE IF EXISTS t3 CASCADE;
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DROP FUNCTION IF EXISTS f1() CASCADE;
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DROP FUNCTION IF EXISTS f2() CASCADE;
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DROP FUNCTION IF EXISTS f3() CASCADE;
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DROP FUNCTION IF EXISTS f4() CASCADE;
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DROP FUNCTION IF EXISTS f5(text) CASCADE;
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