/*************************************************************************** * 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 #include #include /* macros: https://api.cmocka.org/group__cmocka__asserts.html */ #include "nx_api.h" #include "nx_azure_iot_hub_client.h" #include "nx_azure_iot_cert.h" #include "nx_azure_iot_ciphersuites.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" #define STRING_UNSIGNED_ARGS(s) (UCHAR *)s, strlen(s) #ifndef DEMO_CLOUD_STACK_SIZE #define DEMO_CLOUD_STACK_SIZE 2048 #endif /* DEMO_CLOUD_STACK_SIZE */ #ifndef DEMO_CLOUD_THREAD_PRIORITY #define DEMO_CLOUD_THREAD_PRIORITY (3) #endif /* DEMO_CLOUD_THREAD_PRIORITY */ static void mqtt_server_init(NX_IP *ip_ptr); static void mqtt_server_accept(NX_IP *ip_ptr, NX_PACKET_POOL *pool_ptr); static void mqtt_server_deinit(NX_IP *ip_ptr); void connection_status_cb(struct NX_AZURE_IOT_HUB_CLIENT_STRUCT *hub_client_ptr, UINT status); static NX_AZURE_IOT iot; static NX_AZURE_IOT_HUB_CLIENT iot_client; static NX_SECURE_X509_CERT root_ca_cert; static UCHAR metadata_buffer[NX_AZURE_IOT_TLS_METADATA_BUFFER_SIZE]; static ULONG demo_cloud_thread_stack[DEMO_CLOUD_STACK_SIZE / sizeof(ULONG)]; static UINT connection_status = NX_AZURE_IOT_HUB_CLIENT_STATUS_NOT_CONNECTED; /* Define server side data. */ static NX_SECURE_TLS_SESSION tls_server_session; static NX_SECURE_X509_CERT server_certificate; static NX_TCP_SOCKET server_socket; static UCHAR server_metadata_buffer[16 * 1024]; static UCHAR server_tls_packet_buffer[4096]; static unsigned char server_cert_der[] = { 0x30, 0x82, 0x03, 0xd2, 0x30, 0x82, 0x02, 0xba, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x01, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x7a, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x02, 0x43, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x53, 0x61, 0x6e, 0x20, 0x44, 0x69, 0x65, 0x67, 0x6f, 0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0d, 0x45, 0x78, 0x70, 0x72, 0x65, 0x73, 0x73, 0x20, 0x4c, 0x6f, 0x67, 0x69, 0x63, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x0b, 0x4e, 0x65, 0x74, 0x58, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x31, 0x1c, 0x30, 0x1a, 0x06, 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0xe4, 0x68, 0x0f, 0x97, 0x4a, 0x44, 0xa2, 0x87, 0x01, 0x82, 0xd4, 0x25, 0xbd, 0x01, 0xbc, 0x35, 0x8a, 0x6d, 0xb7, 0x7c, 0x48, 0xaa, 0x92, 0xd7, 0x57, 0x76, 0x6a, 0xb0, 0xc9, 0x46, 0xa6, 0xbe, 0xbf, 0x0f, 0xf0, 0xea, 0x62, 0x57, 0x71, 0x42, 0xf6, 0x67, 0xa7, 0xa1, 0x50, 0x87, 0x14, 0x8e, 0x32, 0xd0, 0x5e, 0xc9, 0x7b, 0x79, 0x7e, 0xfa, 0x17, 0xc7, 0xad, 0xbd, 0xc3, 0x98, 0x79, 0x45, 0xfb, 0x7f, 0xf7, 0xe6, 0x9f, 0x77, 0xb3, 0x44, 0xc3, 0xaf, 0x6b, 0x61, 0x6a, 0x04, 0x68, 0x24, 0x2d, 0x31, 0xf1, 0x28, 0x2c, 0xf4, 0xf0, 0x07, 0xfe, 0xfd, 0x66, 0x98, 0x77, 0x37, 0x7b, 0x80, 0x1f, 0xb2, 0x49, 0xe4, 0xa6, 0x24, 0x72, 0x42, 0xf4, 0xca, 0x91, 0x80, 0xa1, 0xb2, 0x0a, 0xc9, 0xc0, 0x93, 0xa7, 0x22, 0x0b, 0x13, 0x8a, 0xb2, 0x75, 0x4b, 0x66, 0xf9, 0x87, 0x3a, 0x51, 0x97, 0xc7, 0x1e, 0x2b, 0x61, 0x81, 0x5c, 0xf0, 0xf8, 0x4c, 0xdb, 0x36, 0xc7, 0xba, 0x49, 0xd9, 0x04, 0x6a, 0x95, 0xb0, 0x7f, 0xfc, 0xce, 0xca, 0x23, 0xad, 0xf9, 0xaf, 0x8a, 0x72, 0x8e, 0xab, 0xb8, 0x8b, 0x7e, 0xf7, 0x39, 0xa6, 0x22, 0x56, 0x03, 0x72, 0x06, 0xc3, 0x57, 0x1f, 0x32, 0xaa, 0xb5, 0xa6, 0x00, 0x67, 0x88, 0x4b, 0x40, 0xe9, 0x5e, 0x4a, 0x6f, 0x76, 0xe8 }; static unsigned char server_cert_key_der[] = { 0x30, 0x82, 0x04, 0xa4, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xae, 0x03, 0x2c, 0xec, 0xa2, 0x79, 0xd1, 0x15, 0x20, 0x88, 0x4d, 0xcd, 0xa2, 0x1b, 0x05, 0xe3, 0xbd, 0x55, 0xad, 0xc6, 0x1f, 0x64, 0xe8, 0xb5, 0xc5, 0x0d, 0x67, 0xfc, 0x7e, 0xda, 0xfb, 0x70, 0xf6, 0xc9, 0x47, 0x87, 0x3a, 0xaa, 0x88, 0x00, 0xf1, 0xa7, 0xf7, 0xe1, 0xf5, 0x2c, 0x54, 0x0e, 0x33, 0xda, 0xbe, 0x9c, 0x66, 0x30, 0xd9, 0x40, 0xeb, 0x1d, 0xce, 0xe1, 0x55, 0x15, 0x2b, 0x11, 0x47, 0x6c, 0x7e, 0x88, 0xc6, 0x24, 0xcf, 0x87, 0x1b, 0xb5, 0x1f, 0x47, 0xb9, 0xef, 0xad, 0x29, 0xd3, 0x2e, 0x43, 0xee, 0x39, 0xdd, 0x09, 0x54, 0xba, 0xfc, 0xed, 0xbc, 0x2e, 0x0e, 0x53, 0x15, 0x37, 0xcb, 0xc5, 0xf5, 0xee, 0x70, 0x2a, 0xe8, 0x01, 0x6d, 0xb1, 0x39, 0x94, 0x5a, 0xc2, 0x8a, 0x00, 0x04, 0xa9, 0xff, 0xea, 0x56, 0xf7, 0xd7, 0xa8, 0x1b, 0xa4, 0x26, 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0xc1, 0xdd, 0xaf, 0xb5, 0x1a, 0x16, 0x44, 0xdc, 0xa8, 0xb5, 0xca, 0xd0, 0x30, 0xaa, 0x7e, 0x73, 0xd5, 0x2e, 0x65, 0xd6, 0xf9, 0xbf, 0x5f, 0xda, 0x6f, 0x13, 0xe9, 0xd7, 0x12, 0x6c, 0x3a, 0x6c, 0x50, 0x26, 0x78, 0x6e, 0xc6, 0xeb, 0x75, 0xe1, 0x3c }; static void mqtt_server_init(NX_IP *ip_ptr); VOID demo_entry(NX_IP* ip_ptr, NX_PACKET_POOL* pool_ptr, NX_DNS* dns_ptr, UINT (*unix_time_callback)(ULONG *unix_time)) { CHAR *host_name = "www.example.com"; CHAR *device_id = "device_id"; CHAR *module_id = "module_id"; CHAR *symmetric_key = "symmetric_key"; ULONG pool_ptr_available_packet; /* Setup an MQTT server first. */ mqtt_server_init(ip_ptr); /* Initialize root certificate. */ assert_int_equal(nx_secure_x509_certificate_initialize(&root_ca_cert, (UCHAR *)ca_cert_der, sizeof(ca_cert_der), NX_NULL, 0, NULL, 0, NX_SECURE_X509_KEY_TYPE_NONE), NX_AZURE_IOT_SUCCESS); assert_int_equal(nx_azure_iot_create(&iot, (UCHAR *)"Azure IoT", ip_ptr, pool_ptr, dns_ptr, (UCHAR *)demo_cloud_thread_stack, sizeof(demo_cloud_thread_stack), DEMO_CLOUD_THREAD_PRIORITY, unix_time_callback), NX_AZURE_IOT_SUCCESS); /* Record number of available packet before test */ pool_ptr_available_packet = pool_ptr -> nx_packet_pool_available; assert_int_equal(nx_azure_iot_hub_client_initialize(&iot_client, &iot, STRING_UNSIGNED_ARGS(host_name), STRING_UNSIGNED_ARGS(device_id), STRING_UNSIGNED_ARGS(""), _nx_azure_iot_tls_supported_crypto, _nx_azure_iot_tls_supported_crypto_size, _nx_azure_iot_tls_ciphersuite_map, _nx_azure_iot_tls_ciphersuite_map_size, metadata_buffer, sizeof(metadata_buffer), &root_ca_cert), NX_AZURE_IOT_SUCCESS); assert_int_equal(nx_azure_iot_hub_client_connection_status_callback_set(&iot_client, connection_status_cb), NX_SUCCESS); assert_int_equal(nx_azure_iot_hub_client_connect(&iot_client, NX_TRUE, NX_NO_WAIT), NX_AZURE_IOT_CONNECTING); /* Establish MQTT connection. */ mqtt_server_accept(ip_ptr, pool_ptr); /* Wait one second for connection. */ tx_thread_sleep(NX_IP_PERIODIC_RATE); /* Check connection status. */ assert_int_equal(connection_status, NX_AZURE_IOT_SUCCESS); /* Cleanup MQTT server. */ mqtt_server_deinit(ip_ptr); assert_int_equal(nx_azure_iot_hub_client_disconnect(&iot_client), NX_AZURE_IOT_SUCCESS); assert_int_equal(nx_azure_iot_hub_client_deinitialize(&iot_client), NX_AZURE_IOT_SUCCESS); /* Check if all the packet are released */ assert_int_equal(pool_ptr -> nx_packet_pool_available, pool_ptr_available_packet); /* SUCCESS: iot is created. */ assert_int_equal(nx_azure_iot_delete(&iot), NX_AZURE_IOT_SUCCESS); } static void mqtt_server_init(NX_IP *ip_ptr) { /* Create a socket. */ assert_int_equal(nx_tcp_socket_create(ip_ptr, &server_socket, "Server Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 1000, NX_NULL, NX_NULL), NX_SUCCESS); /* Setup this thread to listen. */ assert_int_equal(nx_tcp_server_socket_listen(ip_ptr, NXD_MQTT_TLS_PORT, &server_socket, 5, NX_NULL), NX_SUCCESS); assert_int_equal(_nx_secure_tls_session_create_ext(&tls_server_session, _nx_azure_iot_tls_supported_crypto, _nx_azure_iot_tls_supported_crypto_size, _nx_azure_iot_tls_ciphersuite_map, _nx_azure_iot_tls_ciphersuite_map_size, server_metadata_buffer, sizeof(server_metadata_buffer)), NX_SUCCESS); assert_int_equal(nx_secure_x509_certificate_initialize(&server_certificate, server_cert_der, sizeof(server_cert_der), NX_NULL, 0, server_cert_key_der, sizeof(server_cert_key_der), NX_SECURE_X509_KEY_TYPE_RSA_PKCS1_DER), NX_SUCCESS); assert_int_equal(nx_secure_tls_local_certificate_add(&tls_server_session, &server_certificate), NX_SUCCESS); assert_int_equal(nx_secure_tls_session_packet_buffer_set(&tls_server_session, server_tls_packet_buffer, sizeof(server_tls_packet_buffer)), NX_SUCCESS); } static void mqtt_server_accept(NX_IP *ip_ptr, NX_PACKET_POOL *pool_ptr) { NX_PACKET *packet_ptr; UCHAR *byte; /* Accept a connection from client socket. */ assert_int_equal(nx_tcp_server_socket_accept(&server_socket, NX_WAIT_FOREVER), NX_SUCCESS); assert_int_equal(nx_secure_tls_session_start(&tls_server_session, &server_socket, NX_WAIT_FOREVER), NX_SUCCESS); /* Receive MQTT CONN. */ assert_int_equal(nx_secure_tls_session_receive(&tls_server_session, &packet_ptr, NX_WAIT_FOREVER), NX_SUCCESS); assert_int_equal(nx_packet_release(packet_ptr), NX_SUCCESS); assert_int_equal(nx_secure_tls_packet_allocate(&tls_server_session, pool_ptr, &packet_ptr, NX_WAIT_FOREVER), NX_SUCCESS); /* Construct CONNACK packet. */ byte = packet_ptr->nx_packet_prepend_ptr; byte[0] = 0x20; byte[1] = 0x02; byte[2] = 0; byte[3] = 0; packet_ptr->nx_packet_append_ptr = packet_ptr->nx_packet_prepend_ptr + 4; packet_ptr->nx_packet_length = 4; /* Send CONNACK packet. */ assert_int_equal(nx_secure_tls_session_send(&tls_server_session, packet_ptr, NX_WAIT_FOREVER), NX_SUCCESS); } static void mqtt_server_deinit(NX_IP *ip_ptr) { nx_secure_tls_session_end(&tls_server_session, NX_NO_WAIT); nx_tcp_socket_disconnect(&server_socket, NX_NO_WAIT); nx_tcp_server_socket_unaccept(&server_socket); nx_secure_tls_session_delete(&tls_server_session); nx_tcp_server_socket_unlisten(ip_ptr, NXD_MQTT_TLS_PORT); nx_tcp_socket_delete(&server_socket); } void connection_status_cb(struct NX_AZURE_IOT_HUB_CLIENT_STRUCT *hub_client_ptr, UINT status) { connection_status = status; } UINT __wrap__nxde_dns_host_by_name_get(NX_DNS *dns_ptr, UCHAR *host_name, NXD_ADDRESS *host_address_ptr, ULONG wait_option, UINT lookup_type) { printf("HIJACKED: %s\n", __func__); host_address_ptr -> nxd_ip_version = NX_IP_VERSION_V4; host_address_ptr -> nxd_ip_address.v4 = IP_ADDRESS(127, 0, 0, 1); return(NX_SUCCESS); }