diff options
Diffstat (limited to 'bus/bus.c')
-rw-r--r-- | bus/bus.c | 63 |
1 files changed, 63 insertions, 0 deletions
@@ -796,3 +796,66 @@ bus_context_get_activation_timeout (BusContext *context) return context->activation_timeout; } + +dbus_bool_t +bus_context_check_security_policy (BusContext *context, + DBusConnection *sender, + DBusConnection *recipient, + DBusMessage *message, + DBusError *error) +{ + BusClientPolicy *sender_policy; + BusClientPolicy *recipient_policy; + + /* NULL sender/receiver means the bus driver */ + + if (sender != NULL) + { + _dbus_assert (dbus_connection_get_is_authenticated (sender)); + sender_policy = bus_connection_get_policy (sender); + } + else + sender_policy = NULL; + + if (recipient != NULL) + { + _dbus_assert (dbus_connection_get_is_authenticated (recipient)); + recipient_policy = bus_connection_get_policy (recipient); + } + else + recipient_policy = NULL; + + if (sender_policy && + !bus_client_policy_check_can_send (sender_policy, + context->registry, recipient, + message)) + { + const char *dest = dbus_message_get_service (message); + dbus_set_error (error, DBUS_ERROR_ACCESS_DENIED, + "A security policy in place prevents this sender " + "from sending this message to this recipient, " + "see message bus configuration file (rejected message " + "had name \"%s\" destination \"%s\")", + dbus_message_get_name (message), + dest ? dest : DBUS_SERVICE_DBUS); + return FALSE; + } + + if (recipient_policy && + !bus_client_policy_check_can_receive (recipient_policy, + context->registry, sender, + message)) + { + const char *dest = dbus_message_get_service (message); + dbus_set_error (error, DBUS_ERROR_ACCESS_DENIED, + "A security policy in place prevents this recipient " + "from receiving this message from this sender, " + "see message bus configuration file (rejected message " + "had name \"%s\" destination \"%s\")", + dbus_message_get_name (message), + dest ? dest : DBUS_SERVICE_DBUS); + return FALSE; + } + + return TRUE; +} |