[457] | 1 | // Copyright (c) Microsoft. All rights reserved.
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| 2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information.
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| 3 |
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| 4 | #include <stdlib.h>
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| 5 | #include "azure_c_shared_utility/gballoc.h"
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| 6 | #include "azure_c_shared_utility/wsio.h"
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| 7 | #include "azure_prov_client/prov_transport_mqtt_client.h"
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| 8 | #include "azure_prov_client/internal/prov_transport_mqtt_common.h"
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| 9 | #include "azure_c_shared_utility/xio.h"
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| 10 | #include "azure_c_shared_utility/tlsio.h"
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| 11 | #include "azure_c_shared_utility/http_proxy_io.h"
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| 12 | #include "azure_c_shared_utility/platform.h"
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| 13 | #include "azure_c_shared_utility/shared_util_options.h"
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| 14 |
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| 15 | #define MQTT_WS_PORT_NUM 443
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| 16 | #define MQTT_WS_PROTOCOL_NAME "MQTT"
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| 17 | #define MQTT_WS_RELATIVE_PATH "/$iothub/websocket"
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| 18 |
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| 19 | static XIO_HANDLE mqtt_transport_ws_io(const char* fqdn, const HTTP_PROXY_OPTIONS* proxy_info)
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| 20 | {
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| 21 | XIO_HANDLE result;
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| 22 | HTTP_PROXY_IO_CONFIG proxy_config;
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| 23 | TLSIO_CONFIG tls_io_config;
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| 24 | WSIO_CONFIG ws_io_config;
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| 25 | const IO_INTERFACE_DESCRIPTION* ws_io_interface;
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| 26 | const IO_INTERFACE_DESCRIPTION* tlsio_interface;
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| 27 |
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| 28 | if ((ws_io_interface = wsio_get_interface_description()) == NULL)
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| 29 | {
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| 30 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_013: [ If any failure is encountered amqp_transport_ws_io shall return NULL ] */
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| 31 | LogError("wsio_get_interface_description return NULL IO Interface");
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| 32 | result = NULL;
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| 33 | }
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| 34 | else if ((tlsio_interface = platform_get_default_tlsio()) == NULL)
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| 35 | {
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| 36 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_013: [ If any failure is encountered amqp_transport_ws_io shall return NULL ] */
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| 37 | LogError("platform_get_default_tlsio return NULL IO Interface");
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| 38 | result = NULL;
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| 39 | }
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| 40 | else
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| 41 | {
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| 42 | memset(&tls_io_config, 0, sizeof(TLSIO_CONFIG));
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| 43 |
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| 44 | ws_io_config.hostname = fqdn;
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| 45 | ws_io_config.port = MQTT_WS_PORT_NUM;
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| 46 | ws_io_config.protocol = MQTT_WS_PROTOCOL_NAME;
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| 47 | ws_io_config.resource_name = MQTT_WS_RELATIVE_PATH;
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| 48 | ws_io_config.underlying_io_interface = tlsio_interface;
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| 49 | ws_io_config.underlying_io_parameters = &tls_io_config;
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| 50 |
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| 51 | tls_io_config.hostname = fqdn;
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| 52 | tls_io_config.port = MQTT_WS_PORT_NUM;
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| 53 | if (proxy_info != NULL)
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| 54 | {
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| 55 | /* Codes_PROV_TRANSPORT_MQTT_CLIENT_07_012: [ If proxy_info is not NULL, amqp_transport_io shall construct a HTTP_PROXY_IO_CONFIG object and assign it to TLSIO_CONFIG underlying_io_parameters ] */
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| 56 | proxy_config.hostname = tls_io_config.hostname;
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| 57 | proxy_config.port = MQTT_WS_PORT_NUM;
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| 58 | proxy_config.proxy_hostname = proxy_info->host_address;
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| 59 | proxy_config.proxy_port = proxy_info->port;
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| 60 | proxy_config.username = proxy_info->username;
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| 61 | proxy_config.password = proxy_info->password;
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| 62 |
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| 63 | tls_io_config.underlying_io_interface = http_proxy_io_get_interface_description();
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| 64 | tls_io_config.underlying_io_parameters = &proxy_config;
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| 65 | }
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| 66 |
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| 67 | result = xio_create(ws_io_interface, &ws_io_config);
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| 68 | if (result == NULL)
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| 69 | {
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| 70 | LogError("failed calling xio_create on underlying io");
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| 71 | }
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| 72 | }
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| 73 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_014: [ On success mqtt_transport_ws_io shall return an allocated XIO_HANDLE. ] */
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| 74 | return result;
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| 75 | }
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| 76 |
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| 77 | PROV_DEVICE_TRANSPORT_HANDLE prov_transport_mqtt_ws_create(const char* uri, TRANSPORT_HSM_TYPE type, const char* scope_id, const char* api_version, PROV_TRANSPORT_ERROR_CALLBACK error_cb, void* error_ctx)
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| 78 | {
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| 79 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_001: [ prov_transport_mqtt_ws_create shall call the prov_trans_common_mqtt_create function with mqtt_transport_ws_io transport IO estabishment. ] */
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| 80 | return prov_transport_common_mqtt_create(uri, type, scope_id, api_version, mqtt_transport_ws_io, error_cb, error_ctx);
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| 81 | }
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| 82 |
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| 83 | void prov_transport_mqtt_ws_destroy(PROV_DEVICE_TRANSPORT_HANDLE handle)
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| 84 | {
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| 85 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_002: [ prov_transport_mqtt_ws_destroy shall invoke the prov_transport_common_mqtt_destroy method ] */
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| 86 | prov_transport_common_mqtt_destroy(handle);
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| 87 | }
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| 88 |
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| 89 | int prov_transport_mqtt_ws_open(PROV_DEVICE_TRANSPORT_HANDLE handle, const char* registration_id, BUFFER_HANDLE ek, BUFFER_HANDLE srk, PROV_DEVICE_TRANSPORT_REGISTER_CALLBACK data_callback, void* user_ctx, PROV_DEVICE_TRANSPORT_STATUS_CALLBACK status_cb, void* status_ctx, PROV_TRANSPORT_CHALLENGE_CALLBACK reg_challenge_cb, void* challenge_ctx)
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| 90 | {
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| 91 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_003: [ prov_transport_mqtt_ws_open shall invoke the prov_transport_common_mqtt_open method ] */
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| 92 | return prov_transport_common_mqtt_open(handle, registration_id, ek, srk, data_callback, user_ctx, status_cb, status_ctx, reg_challenge_cb, challenge_ctx);
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| 93 | }
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| 94 |
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| 95 | int prov_transport_mqtt_ws_close(PROV_DEVICE_TRANSPORT_HANDLE handle)
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| 96 | {
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| 97 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_004: [ prov_transport_mqtt_ws_close shall invoke the prov_transport_common_mqtt_close method ] */
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| 98 | return prov_transport_common_mqtt_close(handle);
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| 99 | }
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| 100 |
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| 101 | int prov_transport_mqtt_ws_register_device(PROV_DEVICE_TRANSPORT_HANDLE handle, PROV_TRANSPORT_JSON_PARSE json_parse_cb, PROV_TRANSPORT_CREATE_JSON_PAYLOAD json_create_cb, void* json_ctx)
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| 102 | {
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| 103 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_005: [ prov_transport_mqtt_ws_register_device shall invoke the prov_transport_common_mqtt_register_device method ] */
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| 104 | return prov_transport_common_mqtt_register_device(handle, json_parse_cb, json_create_cb, json_ctx);
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| 105 | }
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| 106 |
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| 107 | int prov_transport_mqtt_ws_get_operation_status(PROV_DEVICE_TRANSPORT_HANDLE handle)
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| 108 | {
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| 109 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_006: [ prov_transport_mqtt_ws_get_operation_status shall invoke the prov_transport_common_mqtt_get_operation_status method ] */
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| 110 | return prov_transport_common_mqtt_get_operation_status(handle);
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| 111 | }
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| 112 |
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| 113 | void prov_transport_mqtt_ws_dowork(PROV_DEVICE_TRANSPORT_HANDLE handle)
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| 114 | {
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| 115 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_007: [ prov_transport_mqtt_ws_dowork shall invoke the prov_transport_common_mqtt_dowork method ] */
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| 116 | prov_transport_common_mqtt_dowork(handle);
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| 117 | }
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| 118 |
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| 119 | int prov_transport_mqtt_ws_set_trace(PROV_DEVICE_TRANSPORT_HANDLE handle, bool trace_on)
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| 120 | {
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| 121 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_008: [ prov_transport_mqtt_ws_set_trace shall invoke the prov_transport_common_mqtt_set_trace method ] */
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| 122 | return prov_transport_common_mqtt_set_trace(handle, trace_on);
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| 123 | }
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| 124 |
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| 125 | static int prov_transport_mqtt_ws_x509_cert(PROV_DEVICE_TRANSPORT_HANDLE handle, const char* certificate, const char* private_key)
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| 126 | {
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| 127 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_009: [ prov_transport_mqtt_ws_x509_cert shall invoke the prov_trans_common_mqtt_x509_cert method ] */
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| 128 | return prov_transport_common_mqtt_x509_cert(handle, certificate, private_key);
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| 129 | }
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| 130 |
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| 131 | static int prov_transport_mqtt_ws_set_trusted_cert(PROV_DEVICE_TRANSPORT_HANDLE handle, const char* certificate)
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| 132 | {
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| 133 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_010: [ prov_transport_mqtt_ws_set_trusted_cert shall invoke the prov_transport_common_mqtt_set_trusted_cert method ] */
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| 134 | return prov_transport_common_mqtt_set_trusted_cert(handle, certificate);
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| 135 | }
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| 136 |
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| 137 | static int prov_transport_mqtt_ws_set_proxy(PROV_DEVICE_TRANSPORT_HANDLE handle, const HTTP_PROXY_OPTIONS* proxy_options)
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| 138 | {
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| 139 | /* Codes_PROV_TRANSPORT_MQTT_WS_CLIENT_07_011: [ prov_transport_mqtt_ws_set_proxy shall invoke the prov_transport_common_mqtt_set_proxy method ] */
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| 140 | return prov_transport_common_mqtt_set_proxy(handle, proxy_options);
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| 141 | }
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| 142 |
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| 143 | static int prov_transport_mqtt_ws_set_option(PROV_DEVICE_TRANSPORT_HANDLE handle, const char* option, const void* value)
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| 144 | {
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| 145 | return prov_transport_common_mqtt_set_option(handle, option, value);
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| 146 | }
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| 147 |
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| 148 | static PROV_DEVICE_TRANSPORT_PROVIDER prov_mqtt_func =
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| 149 | {
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| 150 | prov_transport_mqtt_ws_create,
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| 151 | prov_transport_mqtt_ws_destroy,
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| 152 | prov_transport_mqtt_ws_open,
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| 153 | prov_transport_mqtt_ws_close,
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| 154 | prov_transport_mqtt_ws_register_device,
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| 155 | prov_transport_mqtt_ws_get_operation_status,
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| 156 | prov_transport_mqtt_ws_dowork,
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| 157 | prov_transport_mqtt_ws_set_trace,
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| 158 | prov_transport_mqtt_ws_x509_cert,
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| 159 | prov_transport_mqtt_ws_set_trusted_cert,
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| 160 | prov_transport_mqtt_ws_set_proxy,
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| 161 | prov_transport_mqtt_ws_set_option
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| 162 | };
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| 163 |
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| 164 | const PROV_DEVICE_TRANSPORT_PROVIDER* Prov_Device_MQTT_WS_Protocol(void)
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| 165 | {
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| 166 | return &prov_mqtt_func;
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| 167 | }
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