The patch 3 of 4 also required the 4 of 4 being refreshed to apply correctly.
In addition, I forgot to allow sepgsql_admin_type to allow to "use" system
objects.
Please check the newer version. Thanks,
2012/3/25 Kohei KaiGai <kaigai@xxxxxxxxxxxx>:
> This patch might be arguable. It redefines the "use" permission on db_tuple
> class that has marked deprecated for a few years, to control usage of system
> objects but without individual object classes.
>
> We didn't try to port all the supported database object types in PostgreSQL
> into SELinux policy model, because its variation is too large to port and
> less priority in comparison with "major" object classes such as tables.
>
> So, we handle permissions to create, drop and alter these objects as
> permissions to insert, delete or update of system catalogs; labeled as
> sepgsql_sysobj_t, and so on.
>
> On the other hand, some of system objects requires to check permission
> when user "use" these objects, such as data types, tablespaces,
> operators and so on.
> I don't think it is reasonable approach to define individual object classes
> for each object types reflects to PostgreSQL. However, it is preferable
> to have double checks by selinux on strategic points.
>
> So, I try to redefine "use" permission on db_tuple class; that means
> permission to "use" this object when the tuple is an entry of system
> catalog corresponding to a particular database object but don't have
> a particular object class like tables.
>
> The deprecated permissions and rules are not in use for a few years,
> so, it is a time to be utilized or eliminated.
>
> Thanks,
>
> Signed-off-by: KaiGai Kohei <kohei.kaigai@xxxxxxxxxxxx>
> --
> policy/flask/access_vectors | 4 +---
> policy/modules/services/postgresql.if | 16 ++++++----------
> policy/modules/services/postgresql.te | 31 +++++++++++--------------------
> 3 files changed, 18 insertions(+), 33 deletions(-)
>
> diff --git a/policy/flask/access_vectors b/policy/flask/access_vectors
> index bf24160..f462e95 100644
> --- a/policy/flask/access_vectors
> +++ b/policy/flask/access_vectors
> @@ -761,7 +761,6 @@ inherits database
> class db_table
> inherits database
> {
> - use # deprecated
> select
> update
> insert
> @@ -780,7 +779,6 @@ inherits database
> class db_column
> inherits database
> {
> - use # deprecated
> select
> update
> insert
> @@ -790,7 +788,7 @@ class db_tuple
> {
> relabelfrom
> relabelto
> - use # deprecated
> + use
> select
> update
> insert
> diff --git a/policy/modules/services/postgresql.if
> b/policy/modules/services/postgresql.if
> index 56fc5fa..71f2572 100644
> --- a/policy/modules/services/postgresql.if
> +++ b/policy/modules/services/postgresql.if
> @@ -70,10 +70,9 @@ interface(`postgresql_role',`
> type_transition $2 sepgsql_database_type:db_schema user_sepgsql_schema_t;
> type_transition $2 sepgsql_database_type:db_schema
> sepgsql_temp_schema_t "pg_temp";
>
> - allow $2 user_sepgsql_table_t:db_table { getattr use select update
> insert delete lock };
> - allow $2 user_sepgsql_table_t:db_column { getattr use select update insert };
> - allow $2 user_sepgsql_table_t:db_tuple { use select update insert delete };
> - type_transition $2 sepgsql_database_type:db_table
> user_sepgsql_table_t; # deprecated
> + allow $2 user_sepgsql_table_t:db_table { getattr select update
> insert delete lock };
> + allow $2 user_sepgsql_table_t:db_column { getattr select update insert };
> + allow $2 user_sepgsql_table_t:db_tuple { select update insert delete };
> type_transition $2 {sepgsql_schema_type -
> sepgsql_temp_schema_t}:db_table user_sepgsql_table_t;
> type_transition $2 sepgsql_temp_schema_t:db_table sepgsql_temp_table_t;
>
> @@ -89,7 +88,6 @@ interface(`postgresql_role',`
> type_transition $2 sepgsql_temp_schema_t:db_view sepgsql_temp_view_t;
>
> allow $2 user_sepgsql_proc_exec_t:db_procedure { getattr execute };
> - type_transition $2 sepgsql_database_type:db_procedure
> user_sepgsql_proc_exec_t; # deprecated
> type_transition $2 {sepgsql_schema_type -
> sepgsql_temp_schema_t}:db_procedure user_sepgsql_proc_exec_t;
> type_transition $2 sepgsql_temp_schema_t:db_procedure
> sepgsql_temp_proc_exec_t;
>
> @@ -513,10 +511,9 @@ interface(`postgresql_unpriv_client',`
> type_transition $1 sepgsql_database_type:db_schema unpriv_sepgsql_schema_t;
> type_transition $1 sepgsql_database_type:db_schema
> unpriv_sepgsql_schema_t "pg_temp";
>
> - allow $1 unpriv_sepgsql_table_t:db_table { getattr use select update
> insert delete lock };
> - allow $1 unpriv_sepgsql_table_t:db_column { getattr use select
> update insert };
> - allow $1 unpriv_sepgsql_table_t:db_tuple { use select update insert delete };
> - type_transition $1 sepgsql_database_type:db_table
> unpriv_sepgsql_table_t; # deprecated
> + allow $1 unpriv_sepgsql_table_t:db_table { getattr select update
> insert delete lock };
> + allow $1 unpriv_sepgsql_table_t:db_column { getattr select update insert };
> + allow $1 unpriv_sepgsql_table_t:db_tuple { select update insert delete };
> type_transition $1 {sepgsql_schema_type -
> sepgsql_temp_schema_t}:db_table unpriv_sepgsql_table_t;
> type_transition $1 sepgsql_temp_schema_t:db_table sepgsql_temp_table_t;
>
> @@ -532,7 +529,6 @@ interface(`postgresql_unpriv_client',`
> type_transition $1 sepgsql_sysobj_table_type:db_tuple unpriv_sepgsql_sysobj_t;
>
> allow $1 unpriv_sepgsql_proc_exec_t:db_procedure { getattr execute };
> - type_transition $1 sepgsql_database_type:db_procedure
> unpriv_sepgsql_proc_exec_t; # deprecated
> type_transition $1 {sepgsql_schema_type -
> sepgsql_temp_schema_t}:db_procedure unpriv_sepgsql_proc_exec_t;
> type_transition $1 sepgsql_temp_schema_t:db_procedure
> sepgsql_temp_proc_exec_t;
>
> diff --git a/policy/modules/services/postgresql.te
> b/policy/modules/services/postgresql.te
> index 8a3c2bd..92d6e66 100644
> --- a/policy/modules/services/postgresql.te
> +++ b/policy/modules/services/postgresql.te
> @@ -259,7 +259,6 @@ tunable_policy(`sepgsql_transmit_client_label',`
> ')
>
> allow postgresql_t sepgsql_database_type:db_database *;
> -type_transition postgresql_t postgresql_t:db_database
> sepgsql_db_t; # deprecated
>
> allow postgresql_t sepgsql_module_type:db_database install_module;
> # Database/Loadable module
> @@ -270,7 +269,6 @@ type_transition postgresql_t
> sepgsql_database_type:db_schema sepgsql_schema_t;
> type_transition postgresql_t sepgsql_database_type:db_schema
> sepgsql_temp_schema_t "pg_temp";
>
> allow postgresql_t sepgsql_table_type:{ db_table db_column db_tuple } *;
> -type_transition postgresql_t sepgsql_database_type:db_table
> sepgsql_sysobj_t; # deprecated
> type_transition postgresql_t sepgsql_schema_type:db_table sepgsql_sysobj_t;
>
> allow postgresql_t sepgsql_sequence_type:db_sequence *;
> @@ -280,7 +278,6 @@ allow postgresql_t sepgsql_view_type:db_view *;
> type_transition postgresql_t sepgsql_schema_type:db_view sepgsql_view_t;
>
> allow postgresql_t sepgsql_procedure_type:db_procedure *;
> -type_transition postgresql_t sepgsql_database_type:db_procedure
> sepgsql_proc_exec_t; # deprecated
> type_transition postgresql_t sepgsql_schema_type:db_procedure
> sepgsql_proc_exec_t;
>
> allow postgresql_t sepgsql_blob_type:db_blob *;
> @@ -431,23 +428,23 @@ type_transition sepgsql_client_type
> sepgsql_client_type:db_database sepgsql_db_t
>
> allow sepgsql_client_type sepgsql_schema_t:db_schema { getattr search };
>
> -allow sepgsql_client_type sepgsql_fixed_table_t:db_table { getattr
> use select insert lock };
> -allow sepgsql_client_type sepgsql_fixed_table_t:db_column { getattr
> use select insert };
> -allow sepgsql_client_type sepgsql_fixed_table_t:db_tuple { use select insert };
> +allow sepgsql_client_type sepgsql_fixed_table_t:db_table { getattr
> select insert lock };
> +allow sepgsql_client_type sepgsql_fixed_table_t:db_column { getattr
> select insert };
> +allow sepgsql_client_type sepgsql_fixed_table_t:db_tuple { select insert };
>
> -allow sepgsql_client_type sepgsql_table_t:db_table { getattr use
> select update insert delete lock };
> -allow sepgsql_client_type sepgsql_table_t:db_column { getattr use
> select update insert };
> -allow sepgsql_client_type sepgsql_table_t:db_tuple { use select
> update insert delete };
> +allow sepgsql_client_type sepgsql_table_t:db_table { getattr select
> update insert delete lock };
> +allow sepgsql_client_type sepgsql_table_t:db_column { getattr select
> update insert };
> +allow sepgsql_client_type sepgsql_table_t:db_tuple { select update
> insert delete };
>
> -allow sepgsql_client_type sepgsql_ro_table_t:db_table { getattr use
> select lock };
> -allow sepgsql_client_type sepgsql_ro_table_t:db_column { getattr use select };
> -allow sepgsql_client_type sepgsql_ro_table_t:db_tuple { use select };
> +allow sepgsql_client_type sepgsql_ro_table_t:db_table { getattr select lock };
> +allow sepgsql_client_type sepgsql_ro_table_t:db_column { getattr select };
> +allow sepgsql_client_type sepgsql_ro_table_t:db_tuple { select };
>
> allow sepgsql_client_type sepgsql_secret_table_t:db_table getattr;
> allow sepgsql_client_type sepgsql_secret_table_t:db_column getattr;
>
> -allow sepgsql_client_type sepgsql_sysobj_t:db_table { getattr use
> select lock };
> -allow sepgsql_client_type sepgsql_sysobj_t:db_column { getattr use select };
> +allow sepgsql_client_type sepgsql_sysobj_t:db_table { getattr select lock };
> +allow sepgsql_client_type sepgsql_sysobj_t:db_column { getattr select };
> allow sepgsql_client_type sepgsql_sysobj_t:db_tuple { use select };
>
> allow sepgsql_client_type sepgsql_temp_table_t:db_table ~{ relabelto
> relabelfrom };
> @@ -503,7 +500,6 @@ tunable_policy(`sepgsql_enable_users_ddl',`
> #
>
> allow sepgsql_admin_type sepgsql_database_type:db_database { create
> drop getattr setattr relabelfrom relabelto access };
> -type_transition sepgsql_admin_type sepgsql_admin_type:db_database
> sepgsql_db_t; # deprecated
>
> allow sepgsql_admin_type sepgsql_schema_type:db_schema { create drop
> getattr setattr relabelfrom relabelto search add_name remove_name };
> type_transition sepgsql_admin_type sepgsql_database_type:db_schema
> sepgsql_schema_t;
> @@ -513,7 +509,6 @@ allow sepgsql_admin_type
> sepgsql_table_type:db_table { create drop getattr setat
> allow sepgsql_admin_type sepgsql_table_type:db_column { create drop
> getattr setattr relabelfrom relabelto };
> allow sepgsql_admin_type sepgsql_sysobj_table_type:db_tuple {
> relabelfrom relabelto select update insert delete };
>
> -type_transition sepgsql_admin_type sepgsql_database_type:db_table
> sepgsql_table_t; # deprecated
> type_transition sepgsql_admin_type sepgsql_schema_type:db_table
> sepgsql_table_t;
>
> allow sepgsql_admin_type sepgsql_sequence_type:db_sequence { create
> drop getattr setattr relabelfrom relabelto get_value next_value
> set_value };
> @@ -527,7 +522,6 @@ type_transition sepgsql_admin_type
> sepgsql_schema_type:db_view sepgsql_view_t;
> allow sepgsql_admin_type sepgsql_procedure_type:db_procedure { create
> drop getattr relabelfrom relabelto };
> allow sepgsql_admin_type sepgsql_proc_exec_t:db_procedure execute;
>
> -type_transition sepgsql_admin_type sepgsql_database_type:db_procedure
> sepgsql_proc_exec_t; # deprecated
> type_transition sepgsql_admin_type sepgsql_schema_type:db_procedure
> sepgsql_proc_exec_t;
>
> allow sepgsql_admin_type sepgsql_language_type:db_language { create
> drop getattr setattr relabelfrom relabelto execute };
> @@ -566,14 +560,11 @@ tunable_policy(`sepgsql_unconfined_dbadm',`
> #
>
> allow sepgsql_unconfined_type sepgsql_database_type:db_database *;
> -type_transition sepgsql_unconfined_type
> sepgsql_unconfined_type:db_database sepgsql_db_t; # deprecated
>
> allow sepgsql_unconfined_type sepgsql_schema_type:db_schema *;
> type_transition sepgsql_unconfined_type
> sepgsql_database_type:db_schema sepgsql_schema_t;
> type_transition sepgsql_unconfined_type
> sepgsql_database_type:db_schema sepgsql_schema_t "pg_temp";
>
> -type_transition sepgsql_unconfined_type
> sepgsql_database_type:db_table sepgsql_table_t; # deprecated
> -type_transition sepgsql_unconfined_type
> sepgsql_database_type:db_procedure sepgsql_proc_exec_t; # deprecated
> type_transition sepgsql_unconfined_type sepgsql_schema_type:db_table
> sepgsql_table_t;
> type_transition sepgsql_unconfined_type
> sepgsql_schema_type:db_sequence sepgsql_seq_t;
> type_transition sepgsql_unconfined_type sepgsql_schema_type:db_view
> sepgsql_view_t;
>
> --
> KaiGai Kohei <kaigai@xxxxxxxxxxxx>
--
KaiGai Kohei <kaigai@xxxxxxxxxxxx>
--
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