core: add adapter and device allowed_uuid functions

This implements functions in src/adapter.c and src/device.c for
plugins setting a list of allowed services.

Reviewed-by: Miao-chen Chou <mcchou@chromium.org>

1 files changed, 62 insertions, 1 deletions

diff --git a/src/device.c b/src/device.c
index 49dd57166..807106812 100644
--- a/src/device.c
+++ b/src/device.c
@@ -1929,6 +1929,56 @@ static int service_prio_cmp(gconstpointer a, gconstpointer b)
 	return p2->priority - p1->priority;
 }
 
+bool btd_device_all_services_allowed(struct btd_device *dev)
+{
+	GSList *l;
+	struct btd_adapter *adapter = dev->adapter;
+	struct btd_service *service;
+	struct btd_profile *profile;
+
+	for (l = dev->services; l != NULL; l = g_slist_next(l)) {
+		service = l->data;
+		profile = btd_service_get_profile(service);
+
+		if (!profile || !profile->auto_connect)
+			continue;
+
+		if (!btd_adapter_is_uuid_allowed(adapter, profile->remote_uuid))
+			return false;
+	}
+
+	return true;
+}
+
+void btd_device_update_allowed_services(struct btd_device *dev)
+{
+	struct btd_adapter *adapter = dev->adapter;
+	struct btd_service *service;
+	struct btd_profile *profile;
+	GSList *l;
+	bool is_allowed;
+	char addr[18];
+
+	/* If service discovery is ongoing, let the service discovery complete
+	 * callback call this function.
+	 */
+	if (dev->browse) {
+		ba2str(&dev->bdaddr, addr);
+		DBG("service discovery of %s is ongoing. Skip updating allowed "
+							"services", addr);
+		return;
+	}
+
+	for (l = dev->services; l != NULL; l = g_slist_next(l)) {
+		service = l->data;
+		profile = btd_service_get_profile(service);
+
+		is_allowed = btd_adapter_is_uuid_allowed(adapter,
+							profile->remote_uuid);
+		btd_service_set_allowed(service, is_allowed);
+	}
+}
+
 static GSList *create_pending_list(struct btd_device *dev, const char *uuid)
 {
 	struct btd_service *service;
@@ -1937,9 +1987,14 @@ static GSList *create_pending_list(struct btd_device *dev, const char *uuid)
 
 	if (uuid) {
 		service = find_connectable_service(dev, uuid);
-		if (service)
+
+		if (!service)
+			return dev->pending;
+
+		if (btd_service_is_allowed(service))
 			return g_slist_prepend(dev->pending, service);
 
+		info("service %s is blocked", uuid);
 		return dev->pending;
 	}
 
@@ -1950,6 +2005,11 @@ static GSList *create_pending_list(struct btd_device *dev, const char *uuid)
 		if (!p->auto_connect)
 			continue;
 
+		if (!btd_service_is_allowed(service)) {
+			info("service %s is blocked", p->remote_uuid);
+			continue;
+		}
+
 		if (g_slist_find(dev->pending, service))
 			continue;
 
@@ -2634,6 +2694,7 @@ static void device_svc_resolved(struct btd_device *dev, uint8_t browse_type,
 		g_free(cb);
 	}
 
+	btd_device_update_allowed_services(dev);
 	device_resolved_drivers(dev->adapter, dev);
 }