5a90fcee3a
Adds additional length checks for the OTS directory listing implementation. This will check the object name length and the total length of the object when encoding, as well as the length of the objects when removing objects from the directory listing. Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
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* Copyright (c) 2020 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef BT_GATT_OTS_INTERNAL_H_
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#define BT_GATT_OTS_INTERNAL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <zephyr/types.h>
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#include "ots_l2cap_internal.h"
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#include "ots_oacp_internal.h"
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#include "ots_olcp_internal.h"
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/** Maximum size of the Directory Listing Object Record. Table 4.1 in the OTS spec. */
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#define DIR_LIST_OBJ_RECORD_MIN_SIZE 13
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#define DIR_LIST_OBJ_RECORD_MAX_SIZE 172
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#define DIR_LIST_MAX_SIZE (DIR_LIST_OBJ_RECORD_MAX_SIZE * CONFIG_BT_OTS_MAX_OBJ_CNT)
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/** @brief ID of the Directory Listing Object */
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#define OTS_OBJ_ID_DIR_LIST 0x000000000000
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/**@brief OTS Attribute Protocol Application Error codes. */
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enum bt_gatt_ots_att_err_codes {
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/** An attempt was made to write a value that is invalid or
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* not supported by this Server for a reason other than
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* the attribute permissions.
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*/
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BT_GATT_OTS_WRITE_REQUEST_REJECTED = 0x80,
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/** An attempt was made to read or write to an Object Metadata
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* characteristic while the Current Object was an Invalid Object.
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*/
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BT_GATT_OTS_OBJECT_NOT_SELECTED = 0x81,
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/** The Server is unable to service the Read Request or Write Request
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* because it exceeds the concurrency limit of the service.
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*/
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BT_GATT_OTS_CONCURRENCY_LIMIT_EXCEEDED = 0x82,
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/** The requested object name was rejected because
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* the name was already in use by an existing object on the Server.
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*/
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BT_GATT_OTS_OBJECT_NAME_ALREADY_EXISTS = 0x83,
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};
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enum bt_gatt_ots_object_state_type {
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BT_GATT_OTS_OBJECT_IDLE_STATE,
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BT_GATT_OTS_OBJECT_READ_OP_STATE,
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};
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struct bt_gatt_ots_object_state {
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enum bt_gatt_ots_object_state_type type;
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union {
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struct bt_gatt_ots_object_read_op {
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struct bt_gatt_ots_oacp_read_params oacp_params;
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uint32_t sent_len;
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} read_op;
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};
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};
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struct bt_gatt_ots_object {
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uint64_t id;
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struct bt_ots_obj_metadata metadata;
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struct bt_gatt_ots_object_state state;
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};
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struct bt_gatt_ots_indicate {
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struct bt_gatt_indicate_params params;
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struct bt_gatt_attr attr;
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struct _bt_gatt_ccc ccc;
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bool is_enabled;
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};
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struct bt_ots {
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struct bt_ots_feat features;
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struct bt_gatt_ots_object *cur_obj;
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struct bt_gatt_service *service;
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struct bt_gatt_ots_indicate oacp_ind;
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struct bt_gatt_ots_indicate olcp_ind;
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struct bt_gatt_ots_l2cap l2cap;
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struct bt_ots_cb *cb;
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struct bt_ots_dir_list *dir_list;
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void *obj_manager;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* BT_GATT_OTS_INTERNAL_H_ */
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