[nrf fromtree] tests: bsim: bluetooth: host: gatt: add authorization …

…callback API test

Added a new BabbleSim test that validates the authorization callback API
from the Bluetooth GATT header.

Signed-off-by: Kamil Piszczek <Kamil.Piszczek@nordicsemi.no>
(cherry picked from commit a369eb7)

tests/bsim/bluetooth/host/compile.sh

@@ -41,6 +41,7 @@ app=tests/bsim/bluetooth/host/att/sequential/dut compile
 app=tests/bsim/bluetooth/host/att/sequential/tester compile
 app=tests/bsim/bluetooth/host/att/long_read compile
 
+app=tests/bsim/bluetooth/host/gatt/authorization compile
 app=tests/bsim/bluetooth/host/gatt/caching compile
 app=tests/bsim/bluetooth/host/gatt/general compile
 app=tests/bsim/bluetooth/host/gatt/notify compile

tests/bsim/bluetooth/host/gatt/authorization/CMakeLists.txt

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(bsim_test_gatt_authorization)
+
+FILE(GLOB app_sources src/*.c)
+target_sources(app PRIVATE ${app_sources} )
+
+zephyr_include_directories(
+  ${BSIM_COMPONENTS_PATH}/libUtilv1/src/
+  ${BSIM_COMPONENTS_PATH}/libPhyComv1/src/
+  )

tests/bsim/bluetooth/host/gatt/authorization/prj.conf

@@ -0,0 +1,7 @@
+CONFIG_BT=y
+CONFIG_BT_DEVICE_NAME="GATT tester"
+CONFIG_BT_PERIPHERAL=y
+CONFIG_BT_CENTRAL=y
+CONFIG_BT_GATT_CLIENT=y
+CONFIG_BT_GATT_AUTHORIZATION_CUSTOM=y
+CONFIG_BT_ATT_PREPARE_COUNT=3

tests/bsim/bluetooth/host/gatt/authorization/src/common.c

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "common.h"
+
+void test_tick(bs_time_t HW_device_time)
+{
+	if (bst_result != Passed) {
+		FAIL("test failed (not passed after %i seconds)\n", WAIT_TIME);
+	}
+}
+
+void test_init(void)
+{
+	bst_ticker_set_next_tick_absolute(WAIT_TIME);
+	bst_result = In_progress;
+}

tests/bsim/bluetooth/host/gatt/authorization/src/common.h

@@ -0,0 +1,73 @@
+/**
+ * Common functions and helpers for BSIM GATT tests
+ *
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/kernel.h>
+
+#include "bs_types.h"
+#include "bs_tracing.h"
+#include "time_machine.h"
+#include "bstests.h"
+
+#include <zephyr/types.h>
+#include <stddef.h>
+#include <errno.h>
+
+#include <zephyr/bluetooth/bluetooth.h>
+#include <zephyr/bluetooth/hci.h>
+#include <zephyr/bluetooth/conn.h>
+#include <zephyr/bluetooth/uuid.h>
+#include <zephyr/bluetooth/gatt.h>
+
+extern enum bst_result_t bst_result;
+
+#define WAIT_TIME (30 * 1e6) /*seconds*/
+
+#define CREATE_FLAG(flag) static atomic_t flag = (atomic_t)false
+#define SET_FLAG(flag) (void)atomic_set(&flag, (atomic_t)true)
+#define UNSET_FLAG(flag) (void)atomic_set(&flag, (atomic_t)false)
+#define WAIT_FOR_FLAG(flag) \
+	while (!(bool)atomic_get(&flag)) { \
+		(void)k_sleep(K_MSEC(1)); \
+	}
+
+#define FAIL(...) \
+	do { \
+		bst_result = Failed; \
+		bs_trace_error_time_line(__VA_ARGS__); \
+	} while (0)
+
+#define PASS(...) \
+	do { \
+		bst_result = Passed; \
+		bs_trace_info_time(1, __VA_ARGS__); \
+	} while (0)
+
+#define CHRC_SIZE 10
+
+#define TEST_SERVICE_UUID \
+	BT_UUID_DECLARE_128(0x01, 0x23, 0x45, 0x67, 0x89, 0x01, 0x02, 0x03, \
+			    0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x00, 0x00)
+
+#define TEST_UNHANDLED_CHRC_UUID \
+	BT_UUID_DECLARE_128(0x01, 0x23, 0x45, 0x67, 0x89, 0x01, 0x02, 0x03, \
+			    0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xFD, 0x00)
+
+#define TEST_UNAUTHORIZED_CHRC_UUID \
+	BT_UUID_DECLARE_128(0x01, 0x23, 0x45, 0x67, 0x89, 0x01, 0x02, 0x03, \
+			    0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xFE, 0x00)
+
+#define TEST_AUTHORIZED_CHRC_UUID \
+	BT_UUID_DECLARE_128(0x01, 0x23, 0x45, 0x67, 0x89, 0x01, 0x02, 0x03, \
+			    0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xFF, 0x00)
+
+#define TEST_CP_CHRC_UUID \
+	BT_UUID_DECLARE_128(0x01, 0x23, 0x45, 0x67, 0x89, 0x01, 0x02, 0x03, \
+			    0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xF0, 0x00)
+
+void test_tick(bs_time_t HW_device_time);
+void test_init(void);