Bluetooth: Add support for untrusted access to management commands

Some management commands are safe to be accessed from any user without
special permissions. First step for allowing access to any of these
commands from untrusted application is to mark them accordingly.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 1e5afa7..09f31f9 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -6251,12 +6251,16 @@
 static const struct hci_mgmt_handler mgmt_handlers[] = {
 	{ NULL }, /* 0x0000 (no command) */
 	{ read_version,            MGMT_READ_VERSION_SIZE,
-						HCI_MGMT_NO_HDEV },
+						HCI_MGMT_NO_HDEV |
+						HCI_MGMT_UNTRUSTED },
 	{ read_commands,           MGMT_READ_COMMANDS_SIZE,
-						HCI_MGMT_NO_HDEV },
+						HCI_MGMT_NO_HDEV |
+						HCI_MGMT_UNTRUSTED },
 	{ read_index_list,         MGMT_READ_INDEX_LIST_SIZE,
-						HCI_MGMT_NO_HDEV },
-	{ read_controller_info,    MGMT_READ_INFO_SIZE,                 0 },
+						HCI_MGMT_NO_HDEV |
+						HCI_MGMT_UNTRUSTED },
+	{ read_controller_info,    MGMT_READ_INFO_SIZE,
+						HCI_MGMT_UNTRUSTED },
 	{ set_powered,             MGMT_SETTING_SIZE,                   0 },
 	{ set_discoverable,        MGMT_SET_DISCOVERABLE_SIZE,          0 },
 	{ set_connectable,         MGMT_SETTING_SIZE,                   0 },
@@ -6312,9 +6316,11 @@
 	{ load_conn_param,         MGMT_LOAD_CONN_PARAM_SIZE,
 						HCI_MGMT_VAR_LEN },
 	{ read_unconf_index_list,  MGMT_READ_UNCONF_INDEX_LIST_SIZE,
-						HCI_MGMT_NO_HDEV },
+						HCI_MGMT_NO_HDEV |
+						HCI_MGMT_UNTRUSTED },
 	{ read_config_info,        MGMT_READ_CONFIG_INFO_SIZE,
-						HCI_MGMT_UNCONFIGURED },
+						HCI_MGMT_UNCONFIGURED |
+						HCI_MGMT_UNTRUSTED },
 	{ set_external_config,     MGMT_SET_EXTERNAL_CONFIG_SIZE,
 						HCI_MGMT_UNCONFIGURED },
 	{ set_public_address,      MGMT_SET_PUBLIC_ADDRESS_SIZE,
@@ -6323,7 +6329,8 @@
 						HCI_MGMT_VAR_LEN },
 	{ NULL },
 	{ read_ext_index_list,     MGMT_READ_EXT_INDEX_LIST_SIZE,
-						HCI_MGMT_NO_HDEV },
+						HCI_MGMT_NO_HDEV |
+						HCI_MGMT_UNTRUSTED },
 };
 
 int mgmt_control(struct hci_mgmt_chan *chan, struct sock *sk,