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Add context info to OAT_POST_CREATE security hook

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... and have sepgsql use it to determine whether to check permissions
during certain operations.  Indexes that are being created as a result
of REINDEX, for instance, do not need to have their permissions checked;
they were already checked when the index was created.

Author: KaiGai Kohei, slightly revised by me
This commit is contained in:
Alvaro Herrera
2012-10-23 18:07:26 -03:00
parent 4c9d0901f1
commit f4c4335a4a
16 changed files with 336 additions and 116 deletions
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53
contrib/sepgsql/expected/ddl.out
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@ -34,6 +34,8 @@ LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column ctid"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column x"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column y"
LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table"
ALTER TABLE regtest_table ADD COLUMN z int;
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column z"
CREATE TABLE regtest_table_2 (a int) WITH OIDS;
@ -93,6 +95,55 @@ LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfine
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_proc_exec_t:s0 tclass=db_procedure name="function regtest_func_2(integer)"
RESET SESSION AUTHORIZATION;
--
-- ALTER and CREATE/DROP extra attribute permissions
--
CREATE TABLE regtest_table_4 (x int primary key, y int, z int);
LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column tableoid"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column cmax"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column xmax"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column cmin"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column xmin"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column ctid"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column x"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column y"
LOG: SELinux: allowed { create } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column z"
LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
CREATE INDEX regtest_index_tbl4_y ON regtest_table_4(y);
LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
CREATE INDEX regtest_index_tbl4_z ON regtest_table_4(z);
LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
ALTER TABLE regtest_table_4 ALTER COLUMN y TYPE float;
DROP INDEX regtest_index_tbl4_y;
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
ALTER TABLE regtest_table_4
ADD CONSTRAINT regtest_tbl4_con EXCLUDE USING btree (z WITH =);
LOG: SELinux: allowed { add_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
DROP TABLE regtest_table_4 CASCADE;
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table_4"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column tableoid"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column cmax"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column xmax"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column cmin"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column xmin"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column ctid"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column x"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column y"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table_4 column z"
--
-- DROP Permission checks (with clean-up)
--
DROP FUNCTION regtest_func(text,int[]);
@ -115,6 +166,8 @@ DROP TABLE regtest_table;
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_seq_t:s0 tclass=db_sequence name="sequence regtest_table_x_seq"
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { setattr } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table"
LOG: SELinux: allowed { remove_name } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema name="schema regtest_schema"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table name="table regtest_table"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column tableoid"
LOG: SELinux: allowed { drop } scontext=unconfined_u:unconfined_r:unconfined_t:s0 tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_column name="table regtest_table column cmax"