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sepgsql: Enforce db_procedure:{execute} permission.

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To do this, we add an additional object access hook type,
OAT_FUNCTION_EXECUTE.

KaiGai Kohei
This commit is contained in:
Robert Haas
2013-04-12 08:55:56 -04:00
parent d017bf41a3
commit f8a54e936b
16 changed files with 220 additions and 21 deletions
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23
contrib/sepgsql/sepgsql-regtest.te
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@ -1,4 +1,4 @@
policy_module(sepgsql-regtest, 1.06)
policy_module(sepgsql-regtest, 1.07)
gen_require(`
all_userspace_class_perms
@ -172,25 +172,14 @@ optional_policy(`
#
# Rule to execute original trusted procedures
#
# XXX - sepgsql_client_type contains any valid client types, so we allow
# them to execute the original trusted procedure at once.
# These rules intends to allow any valid client types to launch trusted-
# procedures (including ones causes domain transition to invalid domain)
# being labeled as sepgsql_regtest_trusted_proc_exec_t and
# sepgsql_nosuch_trusted_proc_exec_t.
#
optional_policy(`
gen_require(`
attribute sepgsql_client_type;
')
allow sepgsql_client_type { sepgsql_regtest_trusted_proc_exec_t sepgsql_nosuch_trusted_proc_exec_t }:db_procedure { getattr execute };
# These rules intends sepgsql_regtest_user_t domain to translate
# sepgsql_regtest_dba_t on execution of procedures labeled as
# sepgsql_regtest_trusted_proc_exec_t.
#
# allow sepgsql_client_type sepgsql_regtest_trusted_proc_exec_t:db_procedure { getattr execute };
# These rules intends sepgsql_regtest_user_t domain to translate
# sepgsql_regtest_nosuch_t on execution of procedures labeled as
# sepgsql_nosuch_trusted_proc_exec_t, without permissions to
# translate to sepgsql_nosuch_trusted_proc_exec_t.
#
# allow sepgsql_client_type sepgsql_nosuch_trusted_proc_exec_t:db_procedure { getattr execute install };
allow sepgsql_client_type { sepgsql_regtest_trusted_proc_exec_t sepgsql_nosuch_trusted_proc_exec_t }:db_procedure { getattr execute entrypoint };
')