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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
#include <stdio.h>
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h> /* macros: https://api.cmocka.org/group__cmocka__asserts.html */
#include "nx_api.h"
#include "nx_azure_iot.h"
#include "nx_azure_iot_ciphersuites.h"
#include "nx_crypto_aes.h"
#include "nx_websocket_client.h"
#define DEMO_DHCP_DISABLE
#define DEMO_IPV4_ADDRESS IP_ADDRESS(192, 168, 100, 33)
#define DEMO_IPV4_MASK 0xFFFFFF00UL
#define DEMO_GATEWAY_ADDRESS IP_ADDRESS(192, 168, 100, 1)
#define DEMO_DNS_SERVER_ADDRESS IP_ADDRESS(192, 168, 100, 1)
#define NETWORK_DRIVER _nx_ram_network_driver
/* Include main.c in the test case since we need to disable DHCP in this test. */
#include "main.c"
#ifndef MAX_BUFFER_SIZE
#define MAX_BUFFER_SIZE 1500
#endif /* MAX_BUFFER_SIZE */
typedef VOID (*NX_AZURE_TEST_FN)();
static UCHAR metadata_buffer[NX_AZURE_IOT_TLS_METADATA_BUFFER_SIZE];
static UCHAR buffer[MAX_BUFFER_SIZE] = { 0 };
static CHAR *g_url_encoded_hmac_sha256_data_set[][3] = {
{ "De1TOYsqBULq0nSzjVWvjCYUnQ3pklTuUdmoLsleyaw=",
"0ne000A247E/registrations/test1\n1587103748",
"mU63otlyFYT+ATVO9mM0g81c3CQ5fmr0DrviGG2wX0Q=" },
{ "j07p2UdpIZn/Y+WvdCf8j3KVio2PqOAc55f3aERGtUE=",
"0ne000A247E/registrations/test1\n1587103748",
"/kZa770GiwCyGVtcPL0KoCRAKqeF2NxXWUrhB4pkOSQ=" },
{ "j07p2UdpIZn/Y+WvdCf8j3KVio2PqOAc55f3aERGtUE=",
"0ne000A247E/registrations/test4\n1587103748",
"3Iv4Y9dPmTc24ETg/5wr2AZ66s10sGig6mah93R6IB4=" }
};
static UINT log_index = 0;
static VOID test_log_reset()
{
log_index = 0;
memset(buffer, 0, sizeof(buffer));
}
static VOID test_log_callback(az_log_classification classification, UCHAR *msg, UINT msg_len)
{
if ((classification == AZ_LOG_IOT_AZURERTOS) && ((log_index + msg_len) <= MAX_BUFFER_SIZE))
{
memcpy((VOID *)(buffer + log_index), (VOID *)msg, msg_len);
log_index += msg_len;
}
}
/**
* Test base64 decoding
*
**/
static VOID test_nx_azure_iot_url_encoded_hmac_sha256_calculate_success()
{
UCHAR *output_ptr;
UINT output_len;
UINT status;
INT number_of_data_set = sizeof(g_url_encoded_hmac_sha256_data_set)/sizeof(g_url_encoded_hmac_sha256_data_set[0]);
NX_AZURE_IOT_RESOURCE resource;
printf("test starts =>: %s\n", __func__);
resource.resource_crypto_array = _nx_azure_iot_tls_supported_crypto;
resource.resource_crypto_array_size = _nx_azure_iot_tls_supported_crypto_size;
resource.resource_cipher_map = _nx_azure_iot_tls_ciphersuite_map;
resource.resource_cipher_map_size = _nx_azure_iot_tls_ciphersuite_map_size;
resource.resource_metadata_ptr = metadata_buffer;
resource.resource_metadata_size = sizeof(metadata_buffer);
for (INT index = 0; index < number_of_data_set; index++)
{
status = nx_azure_iot_base64_hmac_sha256_calculate(&resource,
g_url_encoded_hmac_sha256_data_set[index][0],
strlen(g_url_encoded_hmac_sha256_data_set[index][0]),
g_url_encoded_hmac_sha256_data_set[index][1],
strlen(g_url_encoded_hmac_sha256_data_set[index][1]),
buffer, sizeof(buffer), &output_ptr, &output_len);
assert_int_equal(status, NX_AZURE_IOT_SUCCESS);
assert_memory_equal(g_url_encoded_hmac_sha256_data_set[index][2], output_ptr,
strlen(g_url_encoded_hmac_sha256_data_set[index][2]));
}
}
/**
* Test function nx_azure_iot_publish_packet_get
*
**/
extern NX_CRYPTO_METHOD crypto_method_tls_prf_sha256;
static NXD_MQTT_CLIENT mqtt_client;
static NX_SECURE_TLS_CIPHERSUITE_INFO test_ciphersuite = {TLS_NULL_WITH_NULL_NULL, NX_NULL, NX_NULL, NX_NULL, 0, 0, NX_NULL, 0, NX_NULL};
static NX_CRYPTO_METHOD session_method;
static NX_SECURE_TLS_CRYPTO test_crypto_table =
{
/* Ciphersuite lookup table and size. */
&test_ciphersuite,
1,
#ifndef NX_SECURE_DISABLE_X509
/* X.509 certificate cipher table and size. */
NX_NULL,
0,
#endif
/* TLS version-specific methods. */
#if (NX_SECURE_TLS_TLS_1_0_ENABLED || NX_SECURE_TLS_TLS_1_1_ENABLED)
NX_NULL,
NX_NULL,
&crypto_method_tls_prf_1,
#endif
#if (NX_SECURE_TLS_TLS_1_2_ENABLED)
NX_NULL,
&crypto_method_tls_prf_sha256,
#endif
#if (NX_SECURE_TLS_TLS_1_3_ENABLED)
&crypto_method_hkdf,
&crypto_method_hmac,
&crypto_method_ecdhe,
#endif
};
static VOID test_nx_azure_iot_publish_packet_get()
{
NX_AZURE_IOT *nx_azure_iot_ptr;
NX_PACKET *packet_ptr;
/* ---- Test preparation ---- */
mqtt_client.nxd_mqtt_client_ip_ptr = &ip_0;
mqtt_client.nxd_mqtt_client_packet_pool_ptr = &pool_0;
mqtt_client.nxd_mqtt_client_use_websocket = NX_FALSE;
mqtt_client.nxd_mqtt_client_use_tls = NX_FALSE;
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_id = NX_SECURE_TLS_ID;
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_tcp_socket = &(mqtt_client.nxd_mqtt_client_socket);
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_local_session_active = NX_TRUE;
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_session_ciphersuite = &test_ciphersuite;
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_crypto_table = &test_crypto_table;
test_ciphersuite.nx_secure_tls_session_cipher = &session_method;
session_method.nx_crypto_algorithm = NX_CRYPTO_ENCRYPTION_AES_CBC;
session_method.nx_crypto_IV_size_in_bits = NX_CRYPTO_AES_IV_LEN_IN_BITS;
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_protocol_version = NX_SECURE_TLS_VERSION_TLS_1_2;
assert_int_equal(nx_tcp_socket_create(mqtt_client.nxd_mqtt_client_ip_ptr, &(mqtt_client.nxd_mqtt_client_socket), "test_client",
NX_IP_NORMAL, NX_DONT_FRAGMENT, 0x80, NXD_MQTT_CLIENT_SOCKET_WINDOW_SIZE, NX_NULL, NX_NULL),
NX_SUCCESS);
/* Test 1: websocket disabled, tls disabled, use ipv4. */
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V4;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_IPv4_TCP_PACKET));
nx_packet_release(packet_ptr);
/* Test 2: websocket disabled, tls disabled, use ipv6. */
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V6;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_IPv6_TCP_PACKET));
nx_packet_release(packet_ptr);
/* Test 3: websocket disabled, tls enabled, use ipv4. */
mqtt_client.nxd_mqtt_client_use_tls = NX_TRUE;
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_tcp_socket -> nx_tcp_socket_state = NX_TCP_ESTABLISHED;
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V4;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_SECURE_TLS_RECORD_HEADER_SIZE - (NX_CRYPTO_AES_IV_LEN_IN_BITS >> 3) -
NX_IPv4_TCP_PACKET));
nx_packet_release(packet_ptr);
/* Test 4: websocket disabled, tls enabled, use ipv6. */
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V6;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_SECURE_TLS_RECORD_HEADER_SIZE - (NX_CRYPTO_AES_IV_LEN_IN_BITS >> 3) -
NX_IPv6_TCP_PACKET));
nx_packet_release(packet_ptr);
/* ---- Disable TLS again, and then enable websocket ---- */
mqtt_client.nxd_mqtt_client_use_tls = NX_FALSE;
mqtt_client.nxd_mqtt_client_use_websocket = NX_TRUE;
assert_int_equal(nx_websocket_client_create(&mqtt_client.nxd_mqtt_client_websocket, "Test websocket client", &ip_0, &pool_0),
NX_SUCCESS);
mqtt_client.nxd_mqtt_client_websocket.nx_websocket_client_socket_ptr = &(mqtt_client.nxd_mqtt_client_socket);
/* Test 5: websocket enabled, tls disabled, use ipv4. */
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V4;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_WEBSOCKET_HEADER_SIZE -
NX_IPv4_TCP_PACKET));
nx_packet_release(packet_ptr);
/* Test 6: websocket enabled, tls disabled, use ipv6. */
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V6;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_WEBSOCKET_HEADER_SIZE -
NX_IPv6_TCP_PACKET));
nx_packet_release(packet_ptr);
/* Test 7: websocket enabled, tls enabled, use ipv4. */
mqtt_client.nxd_mqtt_client_use_tls = NX_TRUE;
mqtt_client.nxd_mqtt_client_websocket.nx_websocket_client_use_tls = NX_TRUE;
mqtt_client.nxd_mqtt_client_websocket.nx_websocket_client_tls_session_ptr = &(mqtt_client.nxd_mqtt_tls_session);
mqtt_client.nxd_mqtt_tls_session.nx_secure_tls_tcp_socket -> nx_tcp_socket_state = NX_TCP_ESTABLISHED;
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V4;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_WEBSOCKET_HEADER_SIZE -
NX_SECURE_TLS_RECORD_HEADER_SIZE - (NX_CRYPTO_AES_IV_LEN_IN_BITS >> 3) -
NX_IPv4_TCP_PACKET));
nx_packet_release(packet_ptr);
/* Test 8: websocket enabled, tls enabled, use ipv6. */
mqtt_client.nxd_mqtt_client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V6;
assert_int_equal(nx_azure_iot_publish_packet_get(NX_NULL, &mqtt_client, &packet_ptr, NX_WAIT_FOREVER),
NX_AZURE_IOT_SUCCESS);
assert_true(packet_ptr -> nx_packet_data_start == (packet_ptr -> nx_packet_prepend_ptr -
NX_AZURE_IOT_PUBLISH_PACKET_START_OFFSET -
NX_WEBSOCKET_HEADER_SIZE -
NX_SECURE_TLS_RECORD_HEADER_SIZE - (NX_CRYPTO_AES_IV_LEN_IN_BITS >> 3) -
NX_IPv6_TCP_PACKET));
nx_packet_release(packet_ptr);
}
/**
* Test logging
*
**/
static VOID test_nx_azure_iot_log_success()
{
static const CHAR log_message_ptr[] = "[INFO] hello world 1";
nx_azure_iot_log_init(test_log_callback);
#ifndef AZ_NO_LOGGING
test_log_reset();
nx_azure_iot_log(LogLiteralArgs("[INFO]"), LogLiteralArgs(" hello world 1"));
assert_memory_equal(log_message_ptr, buffer, sizeof(log_message_ptr) - 1);
test_log_reset();
nx_azure_iot_log(LogLiteralArgs("[INFO]"), LogLiteralArgs(" hello world %d"), 1);
assert_memory_equal(log_message_ptr, buffer, sizeof(log_message_ptr) - 1);
test_log_reset();
nx_azure_iot_log(LogLiteralArgs("[INFO]"), LogLiteralArgs(" hello %s"), LogLiteralArgs("world 1"));
assert_memory_equal(log_message_ptr, buffer, sizeof(log_message_ptr) - 1);
#endif /* AZ_NO_LOGGING */
}
VOID demo_entry(NX_IP* ip_ptr, NX_PACKET_POOL* pool_ptr, NX_DNS* dns_ptr, UINT (*unix_time_callback)(ULONG *unix_time))
{
NX_AZURE_TEST_FN tests[] = { test_nx_azure_iot_url_encoded_hmac_sha256_calculate_success,
test_nx_azure_iot_publish_packet_get,
test_nx_azure_iot_log_success };
INT number_of_tests = sizeof(tests)/sizeof(tests[0]);
printf("Number of tests %d\r\n", number_of_tests);
for (INT index = 0; index < number_of_tests; index++)
{
tests[index]();
}
}
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