[453] | 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 <stdbool.h>
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| 6 | #include <stdint.h>
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| 7 |
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| 8 | #include "parson.h"
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| 9 |
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| 10 | #include "azure_c_shared_utility/gballoc.h"
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| 11 | #include "azure_c_shared_utility/xlogging.h"
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| 12 | #include "azure_c_shared_utility/strings.h"
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| 13 | #include "azure_c_shared_utility/buffer_.h"
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| 14 | #include "azure_c_shared_utility/uniqueid.h"
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| 15 | #include "azure_c_shared_utility/sastoken.h"
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| 16 | #include "azure_c_shared_utility/crt_abstractions.h"
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| 17 | #include "azure_c_shared_utility/azure_base64.h"
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| 18 | #include "azure_c_shared_utility/urlencode.h"
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| 19 | #include "azure_c_shared_utility/shared_util_options.h"
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| 20 | #include "azure_c_shared_utility/tickcounter.h"
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| 21 |
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| 22 | #include "azure_prov_client/internal/prov_auth_client.h"
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| 23 | #include "azure_prov_client/internal/prov_transport_private.h"
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| 24 | #include "azure_prov_client/prov_device_ll_client.h"
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| 25 | #include "azure_prov_client/prov_client_const.h"
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| 26 |
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| 27 | static const char* const OPTION_LOG_TRACE = "logtrace";
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| 28 |
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| 29 | static const char* const JSON_NODE_STATUS = "status";
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| 30 | static const char* const JSON_NODE_REG_STATUS = "registrationState";
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| 31 | static const char* const JSON_NODE_AUTH_KEY = "authenticationKey";
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| 32 | static const char* const JSON_NODE_DEVICE_ID = "deviceId";
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| 33 | static const char* const JSON_NODE_KEY_NAME = "keyName";
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| 34 | static const char* const JSON_NODE_OPERATION_ID = "operationId";
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| 35 | static const char* const JSON_NODE_ASSIGNED_HUB = "assignedHub";
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| 36 | static const char* const JSON_NODE_TPM_NODE = "tpm";
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| 37 | static const char* const JSON_NODE_DATE_TIME = "lastUpdatedDateTimeUtc";
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| 38 | static const char* const JSON_NODE_ERROR_MSG = "errorMessage";
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| 39 | static const char* const JSON_NODE_ERROR_CODE = "errorCode";
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| 40 | static const char* const PROV_FAILED_STATUS = "failed";
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| 41 | static const char* const PROV_BLACKLISTED_STATUS = "blacklisted";
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| 42 | static const char* const JSON_CUSTOM_DATA_TAG = "payload";
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| 43 | static const char* const JSON_NODE_RETURNED_DATA = "payload";
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| 44 |
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| 45 | static const char* const SAS_TOKEN_SCOPE_FMT = "%s/registrations/%s";
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| 46 |
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| 47 | static const char* const REGISTRATION_ID = "registrationId";
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| 48 | static const char* const JSON_ENDORSMENT_KEY_NODE = "endorsementKey";
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| 49 | static const char* const JSON_STORAGE_ROOT_KEY_NODE = "storageRootKey";
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| 50 |
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| 51 | #define DPS_HUB_ERROR_NO_HUB 400208
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| 52 | #define DPS_HUB_ERROR_UNAUTH 400209
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| 53 |
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| 54 | #define SAS_TOKEN_DEFAULT_LIFETIME 2400
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| 55 | #define EPOCH_TIME_T_VALUE (time_t)0
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| 56 | #define MAX_AUTH_ATTEMPTS 3
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| 57 | #define PROV_DEFAULT_TIMEOUT 60
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| 58 |
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| 59 | typedef enum CLIENT_STATE_TAG
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| 60 | {
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| 61 | CLIENT_STATE_READY,
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| 62 |
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| 63 | CLIENT_STATE_REGISTER_SEND,
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| 64 | CLIENT_STATE_REGISTER_SENT,
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| 65 | CLIENT_STATE_REGISTER_RECV,
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| 66 |
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| 67 | CLIENT_STATE_STATUS_SEND,
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| 68 | CLIENT_STATE_STATUS_SENT,
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| 69 | CLIENT_STATE_STATUS_RECV,
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| 70 |
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| 71 | CLIENT_STATE_ERROR
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| 72 | } CLIENT_STATE;
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| 73 |
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| 74 | typedef struct IOTHUB_REQ_INFO_TAG
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| 75 | {
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| 76 | char* iothub_url;
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| 77 | char* iothub_key;
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| 78 | char* device_id;
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| 79 | } IOTHUB_REQ_INFO;
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| 80 |
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| 81 | typedef struct PROV_INSTANCE_INFO_TAG
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| 82 | {
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| 83 | PROV_DEVICE_CLIENT_REGISTER_DEVICE_CALLBACK register_callback;
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| 84 | void* user_context;
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| 85 | PROV_DEVICE_CLIENT_REGISTER_STATUS_CALLBACK register_status_cb;
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| 86 | void* status_user_ctx;
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| 87 | PROV_DEVICE_RESULT error_reason;
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| 88 |
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| 89 | const PROV_DEVICE_TRANSPORT_PROVIDER* prov_transport_protocol;
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| 90 | PROV_DEVICE_TRANSPORT_HANDLE transport_handle;
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| 91 | bool transport_open;
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| 92 |
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| 93 | TICK_COUNTER_HANDLE tick_counter;
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| 94 |
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| 95 | tickcounter_ms_t status_throttle;
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| 96 | tickcounter_ms_t timeout_value;
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| 97 | uint32_t retry_after_value;
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| 98 |
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| 99 | uint8_t prov_timeout;
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| 100 |
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| 101 | char* registration_id;
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| 102 | bool user_supplied_reg_id;
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| 103 |
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| 104 | PROV_AUTH_HANDLE prov_auth_handle;
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| 105 |
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| 106 | bool is_connected;
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| 107 |
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| 108 | PROV_AUTH_TYPE hsm_type;
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| 109 |
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| 110 | IOTHUB_REQ_INFO iothub_info;
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| 111 |
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| 112 | CLIENT_STATE prov_state;
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| 113 |
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| 114 | size_t auth_attempts_made;
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| 115 |
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| 116 | char* scope_id;
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| 117 |
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| 118 | char* custom_request_data;
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| 119 | char* custom_response_data;
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| 120 | } PROV_INSTANCE_INFO;
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| 121 |
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| 122 | static char* prov_transport_challenge_callback(const unsigned char* nonce, size_t nonce_len, const char* key_name, void* user_ctx)
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| 123 | {
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| 124 | char* result;
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| 125 | if (user_ctx == NULL)
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| 126 | {
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| 127 | LogError("Bad argument user_ctx is NULL");
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| 128 | result = NULL;
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| 129 | }
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| 130 | else
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| 131 | {
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| 132 | PROV_INSTANCE_INFO* prov_info = (PROV_INSTANCE_INFO*)user_ctx;
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| 133 | if ((prov_info->hsm_type == PROV_AUTH_TYPE_TPM) && nonce == NULL)
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| 134 | {
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| 135 | LogError("Bad argument nonce is NULL");
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| 136 | result = NULL;
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| 137 | }
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| 138 | else
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| 139 | {
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| 140 | char* token_scope;
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| 141 | size_t token_scope_len;
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| 142 |
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| 143 | size_t sec_since_epoch = (size_t)(difftime(get_time(NULL), EPOCH_TIME_T_VALUE) + 0);
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| 144 | size_t expiry_time = sec_since_epoch + SAS_TOKEN_DEFAULT_LIFETIME;
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| 145 |
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| 146 | // Construct Token scope
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| 147 | token_scope_len = strlen(SAS_TOKEN_SCOPE_FMT) + strlen(prov_info->scope_id) + strlen(prov_info->registration_id);
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| 148 |
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| 149 | token_scope = malloc(token_scope_len + 1);
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| 150 | if (token_scope == NULL)
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| 151 | {
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| 152 | LogError("Failure to allocate token scope");
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| 153 | result = NULL;
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| 154 | }
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| 155 | else if (sprintf(token_scope, SAS_TOKEN_SCOPE_FMT, prov_info->scope_id, prov_info->registration_id) <= 0)
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| 156 | {
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| 157 | LogError("Failure to constructing token_scope");
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| 158 | free(token_scope);
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| 159 | result = NULL;
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| 160 | }
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| 161 | else
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| 162 | {
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| 163 | STRING_HANDLE encoded_token = URL_EncodeString(token_scope);
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| 164 | if (encoded_token == NULL)
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| 165 | {
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| 166 | LogError("Failure to url encoding string");
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| 167 | result = NULL;
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| 168 | }
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| 169 | else
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| 170 | {
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| 171 | if (prov_info->hsm_type == PROV_AUTH_TYPE_TPM && (prov_auth_import_key(prov_info->prov_auth_handle, nonce, nonce_len) != 0))
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| 172 | {
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| 173 | LogError("Failure to import the provisioning key");
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| 174 | result = NULL;
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| 175 | }
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| 176 | else
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| 177 | {
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| 178 | if ((result = prov_auth_construct_sas_token(prov_info->prov_auth_handle, STRING_c_str(encoded_token), key_name, expiry_time)) == NULL)
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| 179 | {
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| 180 | LogError("Failure to import the provisioning key");
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| 181 | result = NULL;
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| 182 | }
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| 183 | }
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| 184 | STRING_delete(encoded_token);
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| 185 | }
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| 186 | free(token_scope);
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| 187 | }
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| 188 | }
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| 189 | }
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| 190 | return result;
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| 191 | }
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| 192 |
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| 193 | static void on_transport_error(PROV_DEVICE_TRANSPORT_ERROR transport_error, void* user_ctx)
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| 194 | {
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| 195 | if (user_ctx != NULL)
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| 196 | {
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| 197 | PROV_INSTANCE_INFO* prov_info = (PROV_INSTANCE_INFO*)user_ctx;
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| 198 | switch (transport_error)
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| 199 | {
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| 200 | case PROV_DEVICE_ERROR_KEY_FAIL:
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| 201 | prov_info->error_reason = PROV_DEVICE_RESULT_KEY_ERROR;
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| 202 | break;
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| 203 | case PROV_DEVICE_ERROR_KEY_UNAUTHORIZED:
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| 204 | prov_info->error_reason = PROV_DEVICE_RESULT_DEV_AUTH_ERROR;
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| 205 | break;
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| 206 |
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| 207 | case PROV_DEVICE_ERROR_MEMORY:
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| 208 | prov_info->error_reason = PROV_DEVICE_RESULT_MEMORY;
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| 209 | break;
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| 210 | }
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| 211 | }
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| 212 | }
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| 213 |
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| 214 | static PROV_DEVICE_TRANSPORT_STATUS retrieve_status_type(const char* prov_status)
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| 215 | {
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| 216 | PROV_DEVICE_TRANSPORT_STATUS result;
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| 217 | if (strcmp(prov_status, PROV_UNASSIGNED_STATUS) == 0)
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| 218 | {
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| 219 | result = PROV_DEVICE_TRANSPORT_STATUS_UNASSIGNED;
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| 220 | }
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| 221 | else if (strcmp(prov_status, PROV_ASSIGNING_STATUS) == 0)
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| 222 | {
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| 223 | result = PROV_DEVICE_TRANSPORT_STATUS_ASSIGNING;
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| 224 | }
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| 225 | else if (strcmp(prov_status, PROV_ASSIGNED_STATUS) == 0)
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| 226 | {
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| 227 | result = PROV_DEVICE_TRANSPORT_STATUS_ASSIGNED;
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| 228 | }
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| 229 | else if (strcmp(prov_status, PROV_FAILED_STATUS) == 0)
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| 230 | {
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| 231 | result = PROV_DEVICE_TRANSPORT_STATUS_ERROR;
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| 232 | }
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| 233 | else if (strcmp(prov_status, PROV_BLACKLISTED_STATUS) == 0)
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| 234 | {
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| 235 | result = PROV_DEVICE_TRANSPORT_STATUS_BLACKLISTED;
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| 236 | }
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| 237 | else if (strcmp(prov_status, PROV_DISABLE_STATUS) == 0)
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| 238 | {
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| 239 | result = PROV_DEVICE_TRANSPORT_STATUS_DISABLED;
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| 240 | }
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| 241 | else
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| 242 | {
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| 243 | result = PROV_DEVICE_TRANSPORT_STATUS_ERROR;
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| 244 | }
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| 245 | return result;
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| 246 | }
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| 247 |
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| 248 | static int retrieve_json_number(JSON_Object* json_object, const char* field_name)
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| 249 | {
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| 250 | int result;
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| 251 | JSON_Value* json_field;
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| 252 | if ((json_field = json_object_get_value(json_object, field_name)) == NULL)
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| 253 | {
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| 254 | LogError("failure retrieving json operation id");
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| 255 | result = 0;
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| 256 | }
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| 257 | else
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| 258 | {
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| 259 | result = (int)json_value_get_number(json_field);
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| 260 | }
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| 261 | return result;
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| 262 | }
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| 263 |
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| 264 | static void retrieve_json_payload(JSON_Object* json_object, PROV_INSTANCE_INFO* prov_info)
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| 265 | {
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| 266 | JSON_Value* json_field;
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| 267 |
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| 268 | // Returned Data is not available
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| 269 | if ((json_field = json_object_get_value(json_object, JSON_NODE_RETURNED_DATA)) != NULL)
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| 270 | {
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| 271 | prov_info->custom_response_data = json_serialize_to_string(json_field);
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| 272 | }
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| 273 | }
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| 274 |
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| 275 | static char* retrieve_json_string(JSON_Object* json_object, const char* field_name, bool is_required)
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| 276 | {
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| 277 | char* result;
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| 278 | JSON_Value* json_field;
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| 279 | if ((json_field = json_object_get_value(json_object, field_name)) == NULL)
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| 280 | {
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| 281 | if (is_required)
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| 282 | {
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| 283 | LogError("failure retrieving json object value %s", field_name);
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| 284 | }
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| 285 | result = NULL;
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| 286 | }
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| 287 | else
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| 288 | {
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| 289 | const char* json_item = json_value_get_string(json_field);
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| 290 | if (json_item != NULL)
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| 291 | {
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| 292 | if (mallocAndStrcpy_s(&result, json_item) != 0)
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| 293 | {
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| 294 | LogError("failure retrieving operation id");
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| 295 | result = NULL;
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| 296 | }
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| 297 | }
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| 298 | else
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| 299 | {
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| 300 | result = NULL;
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| 301 | }
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| 302 | }
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| 303 | return result;
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| 304 | }
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| 305 |
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| 306 | static JSON_Value* construct_security_type_json(PROV_INSTANCE_INFO* prov_info, const char* ek_value, const char* srk_value)
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| 307 | {
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| 308 | JSON_Value* result;
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| 309 |
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| 310 | JSON_Object* json_object;
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| 311 | result = json_value_init_object();
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| 312 | if (result == NULL)
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| 313 | {
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| 314 | LogError("Failure constructing json information");
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| 315 | }
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| 316 | else if ((json_object = json_value_get_object(result)) == NULL)
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| 317 | {
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| 318 | LogError("failure retrieving node root object");
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| 319 | json_value_free(result);
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| 320 | result = NULL;
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| 321 | }
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| 322 | else
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| 323 | {
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| 324 | if (json_object_set_string(json_object, REGISTRATION_ID, prov_info->registration_id) != JSONSuccess)
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| 325 | {
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| 326 | LogError("failure setting registration Id json node");
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| 327 | json_value_free(result);
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| 328 | result = NULL;
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| 329 | }
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| 330 | else
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| 331 | {
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| 332 | if (prov_info->hsm_type == PROV_AUTH_TYPE_TPM)
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| 333 | {
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| 334 | // tpm_node value only gets released on failure
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| 335 | JSON_Object* tpm_object;
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| 336 | JSON_Value* tpm_node = json_value_init_object();
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| 337 | if (tpm_node == NULL)
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| 338 | {
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| 339 | LogError("failure constructing json tpm object");
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| 340 | json_value_free(tpm_node);
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| 341 | json_value_free(result);
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| 342 | result = NULL;
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| 343 | }
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| 344 | else if ((tpm_object = json_value_get_object(tpm_node)) == NULL)
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| 345 | {
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| 346 | LogError("failure retrieving node root object");
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| 347 | json_value_free(tpm_node);
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| 348 | json_value_free(result);
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| 349 | result = NULL;
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| 350 | }
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| 351 | else if (json_object_set_string(tpm_object, JSON_ENDORSMENT_KEY_NODE, ek_value) != JSONSuccess)
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| 352 | {
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| 353 | LogError("failure setting endorsement key node");
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| 354 | json_value_free(tpm_node);
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| 355 | json_value_free(result);
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| 356 | result = NULL;
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| 357 | }
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| 358 | else if (json_object_set_string(tpm_object, JSON_STORAGE_ROOT_KEY_NODE, srk_value) != JSONSuccess)
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| 359 | {
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| 360 | LogError("failure setting tpm storage root key node");
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| 361 | json_value_free(tpm_node);
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| 362 | json_value_free(result);
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| 363 | result = NULL;
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| 364 | }
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| 365 | else if (json_object_set_value(json_object, JSON_NODE_TPM_NODE, tpm_node) != JSONSuccess)
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| 366 | {
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| 367 | LogError("failure constructing json tpm object");
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| 368 | json_value_free(tpm_node);
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| 369 | json_value_free(result);
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| 370 | result = NULL;
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| 371 | }
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| 372 | }
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| 373 | }
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| 374 | }
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| 375 | return result;
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| 376 | }
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| 377 |
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| 378 | static char* prov_transport_create_json_payload(const char* ek_value, const char* srk_value, void* user_ctx)
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| 379 | {
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| 380 | char* result = NULL;
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| 381 | if (user_ctx == NULL)
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| 382 | {
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| 383 | LogError("failure user_ctx is NULL");
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| 384 | }
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| 385 | else
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| 386 | {
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| 387 | PROV_INSTANCE_INFO* prov_info = (PROV_INSTANCE_INFO*)user_ctx;
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| 388 |
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| 389 | JSON_Value* json_root = construct_security_type_json(prov_info, ek_value, srk_value);
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| 390 | if (json_root == NULL)
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| 391 | {
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| 392 | LogError("Failure constructing security json");
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| 393 | }
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| 394 | else
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| 395 | {
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| 396 | bool error_encountered = false;
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| 397 | if (prov_info->custom_request_data != NULL)
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| 398 | {
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| 399 | JSON_Object* json_object;
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| 400 | JSON_Value* json_custom_data = NULL;
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| 401 |
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| 402 | if ((json_object = json_value_get_object(json_root)) == NULL)
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| 403 | {
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| 404 | LogError("failure retrieving node root object");
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| 405 | error_encountered = true;
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| 406 | }
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| 407 | else if ((json_custom_data = json_parse_string(prov_info->custom_request_data)) == NULL)
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| 408 | {
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| 409 | LogError("failure parsing custom info. This custom info MUST be valid json");
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| 410 | error_encountered = true;
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| 411 | }
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| 412 | // Success on json_object_set_value transfers ownership of json_custom_data to json_object, so do not
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| 413 | // explicitly free json_custom_data after this point.
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| 414 | else if (json_object_set_value(json_object, JSON_CUSTOM_DATA_TAG, json_custom_data) != JSONSuccess)
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| 415 | {
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| 416 | LogError("failure setting %s value", JSON_CUSTOM_DATA_TAG);
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| 417 | json_value_free(json_custom_data);
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| 418 | error_encountered = true;
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| 419 | }
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| 420 | }
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| 421 |
|
---|
| 422 | if (!error_encountered)
|
---|
| 423 | {
|
---|
| 424 | char* json_string = json_serialize_to_string(json_root);
|
---|
| 425 | if (json_string == NULL)
|
---|
| 426 | {
|
---|
| 427 | LogError("failure serializing json to string");
|
---|
| 428 | }
|
---|
| 429 | else
|
---|
| 430 | {
|
---|
| 431 | if (mallocAndStrcpy_s(&result, json_string) != 0)
|
---|
| 432 | {
|
---|
| 433 | LogError("failure constructing json result value");
|
---|
| 434 | }
|
---|
| 435 | json_free_serialized_string(json_string);
|
---|
| 436 | }
|
---|
| 437 | }
|
---|
| 438 | json_value_free(json_root);
|
---|
| 439 | }
|
---|
| 440 | }
|
---|
| 441 |
|
---|
| 442 | return result;
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | static PROV_JSON_INFO* prov_transport_process_json_reply(const char* json_document, void* user_ctx)
|
---|
| 446 | {
|
---|
| 447 | PROV_JSON_INFO* result;
|
---|
| 448 | JSON_Value* root_value;
|
---|
| 449 | JSON_Object* json_object;
|
---|
| 450 | if (user_ctx == NULL)
|
---|
| 451 | {
|
---|
| 452 | LogError("failure user_ctx is NULL");
|
---|
| 453 | result = NULL;
|
---|
| 454 | }
|
---|
| 455 | else if ((root_value = json_parse_string(json_document)) == NULL)
|
---|
| 456 | {
|
---|
| 457 | LogError("failure calling json_parse_string");
|
---|
| 458 | result = NULL;
|
---|
| 459 | }
|
---|
| 460 | else if ((json_object = json_value_get_object(root_value)) == NULL)
|
---|
| 461 | {
|
---|
| 462 | LogError("failure retrieving node root object");
|
---|
| 463 | json_value_free(root_value);
|
---|
| 464 | result = NULL;
|
---|
| 465 | }
|
---|
| 466 | else if ((result = malloc(sizeof(PROV_JSON_INFO))) == NULL)
|
---|
| 467 | {
|
---|
| 468 | LogError("failure allocating PROV_JSON_INFO");
|
---|
| 469 | json_value_free(root_value);
|
---|
| 470 | }
|
---|
| 471 | else
|
---|
| 472 | {
|
---|
| 473 | memset(result, 0, sizeof(PROV_JSON_INFO));
|
---|
| 474 | PROV_INSTANCE_INFO* prov_info = (PROV_INSTANCE_INFO*)user_ctx;
|
---|
| 475 | JSON_Value* json_status = json_object_get_value(json_object, JSON_NODE_STATUS);
|
---|
| 476 |
|
---|
| 477 | if (json_status == NULL)
|
---|
| 478 | {
|
---|
| 479 | // Under TPM the status will be error if this is an authorization request. We need to make it unassigned.
|
---|
| 480 | if (prov_info->hsm_type == PROV_AUTH_TYPE_TPM)
|
---|
| 481 | {
|
---|
| 482 | result->prov_status = PROV_DEVICE_TRANSPORT_STATUS_UNASSIGNED;
|
---|
| 483 | }
|
---|
| 484 | else
|
---|
| 485 | {
|
---|
| 486 | result->prov_status = PROV_DEVICE_TRANSPORT_STATUS_ERROR;
|
---|
| 487 | }
|
---|
| 488 | }
|
---|
| 489 | else
|
---|
| 490 | {
|
---|
| 491 | // status can be NULL
|
---|
| 492 | const char* json_string = json_value_get_string(json_status);
|
---|
| 493 | if (json_string == NULL)
|
---|
| 494 | {
|
---|
| 495 | result->prov_status = PROV_DEVICE_TRANSPORT_STATUS_ERROR;
|
---|
| 496 | }
|
---|
| 497 | else
|
---|
| 498 | {
|
---|
| 499 | result->prov_status = retrieve_status_type(json_string);
|
---|
| 500 | }
|
---|
| 501 | }
|
---|
| 502 | switch (result->prov_status)
|
---|
| 503 | {
|
---|
| 504 | case PROV_DEVICE_TRANSPORT_STATUS_UNASSIGNED:
|
---|
| 505 | {
|
---|
| 506 | JSON_Value* auth_key;
|
---|
| 507 | if ((auth_key = json_object_get_value(json_object, JSON_NODE_AUTH_KEY)) == NULL)
|
---|
| 508 | {
|
---|
| 509 | LogError("failure retrieving json auth key value");
|
---|
| 510 | prov_info->error_reason = PROV_DEVICE_RESULT_PARSING;
|
---|
| 511 | free(result);
|
---|
| 512 | result = NULL;
|
---|
| 513 | }
|
---|
| 514 | else
|
---|
| 515 | {
|
---|
| 516 | const char* nonce_field = json_value_get_string(auth_key);
|
---|
| 517 | if ((result->authorization_key = Azure_Base64_Decode(nonce_field)) == NULL)
|
---|
| 518 | {
|
---|
| 519 | LogError("failure creating buffer nonce field");
|
---|
| 520 | prov_info->error_reason = PROV_DEVICE_RESULT_MEMORY;
|
---|
| 521 | free(result);
|
---|
| 522 | result = NULL;
|
---|
| 523 | }
|
---|
| 524 | else
|
---|
| 525 | {
|
---|
| 526 | result->key_name = retrieve_json_string(json_object, JSON_NODE_KEY_NAME, true);
|
---|
| 527 | if (result->key_name == NULL)
|
---|
| 528 | {
|
---|
| 529 | LogError("failure retrieving keyname field");
|
---|
| 530 | prov_info->error_reason = PROV_DEVICE_RESULT_PARSING;
|
---|
| 531 | BUFFER_delete(result->authorization_key);
|
---|
| 532 | free(result);
|
---|
| 533 | result = NULL;
|
---|
| 534 | }
|
---|
| 535 | }
|
---|
| 536 | }
|
---|
| 537 | break;
|
---|
| 538 | }
|
---|
| 539 |
|
---|
| 540 | case PROV_DEVICE_TRANSPORT_STATUS_ASSIGNING:
|
---|
| 541 | if ((result->operation_id = retrieve_json_string(json_object, JSON_NODE_OPERATION_ID, true)) == NULL)
|
---|
| 542 | {
|
---|
| 543 | LogError("Failure: operation_id node is mising");
|
---|
| 544 | prov_info->error_reason = PROV_DEVICE_RESULT_PARSING;
|
---|
| 545 | free(result);
|
---|
| 546 | result = NULL;
|
---|
| 547 | }
|
---|
| 548 | break;
|
---|
| 549 |
|
---|
| 550 | case PROV_DEVICE_TRANSPORT_STATUS_ASSIGNED:
|
---|
| 551 | {
|
---|
| 552 | JSON_Object* json_reg_status_node;
|
---|
| 553 | if ((json_reg_status_node = json_object_get_object(json_object, JSON_NODE_REG_STATUS)) == NULL)
|
---|
| 554 | {
|
---|
| 555 | LogError("failure retrieving json registration status node");
|
---|
| 556 | prov_info->error_reason = PROV_DEVICE_RESULT_PARSING;
|
---|
| 557 | free(result);
|
---|
| 558 | result = NULL;
|
---|
| 559 | }
|
---|
| 560 | else
|
---|
| 561 | {
|
---|
| 562 | if (prov_info->hsm_type == PROV_AUTH_TYPE_TPM)
|
---|
| 563 | {
|
---|
| 564 | JSON_Object* json_tpm_node;
|
---|
| 565 | JSON_Value* auth_key;
|
---|
| 566 |
|
---|
| 567 | if ((json_tpm_node = json_object_get_object(json_reg_status_node, JSON_NODE_TPM_NODE)) == NULL)
|
---|
| 568 | {
|
---|
| 569 | LogError("failure retrieving tpm node json_tpm_node: %p, auth key: %p", json_tpm_node, result->authorization_key);
|
---|
| 570 | free(result);
|
---|
| 571 | prov_info->error_reason = PROV_DEVICE_RESULT_PARSING;
|
---|
| 572 | result = NULL;
|
---|
| 573 | }
|
---|
| 574 | else if ((auth_key = json_object_get_value(json_tpm_node, JSON_NODE_AUTH_KEY)) == NULL)
|
---|
| 575 | {
|
---|
| 576 | LogError("failure retrieving json auth key value");
|
---|
| 577 | free(result);
|
---|
| 578 | prov_info->error_reason = PROV_DEVICE_RESULT_PARSING;
|
---|
| 579 | result = NULL;
|
---|
| 580 | }
|
---|
| 581 | else
|
---|
| 582 | {
|
---|
| 583 | const char* nonce_field = json_value_get_string(auth_key);
|
---|
| 584 | if (nonce_field == NULL)
|
---|
| 585 | {
|
---|
| 586 | LogError("failure getting nonce field from json");
|
---|
| 587 | prov_info->error_reason = PROV_DEVICE_RESULT_MEMORY;
|
---|
| 588 | free(result);
|
---|
| 589 | result = NULL;
|
---|
| 590 | }
|
---|
| 591 | else if ((result->authorization_key = Azure_Base64_Decode(nonce_field)) == NULL)
|
---|
| 592 | {
|
---|
| 593 | LogError("failure creating buffer nonce field");
|
---|
| 594 | prov_info->error_reason = PROV_DEVICE_RESULT_MEMORY;
|
---|
| 595 | free(result);
|
---|
| 596 | result = NULL;
|
---|
| 597 | }
|
---|
| 598 | }
|
---|
| 599 | }
|
---|
| 600 |
|
---|
| 601 | if (result != NULL)
|
---|
| 602 | {
|
---|
| 603 | if (
|
---|
| 604 | ((result->iothub_uri = retrieve_json_string(json_reg_status_node, JSON_NODE_ASSIGNED_HUB, true)) == NULL) ||
|
---|
| 605 | ((result->device_id = retrieve_json_string(json_reg_status_node, JSON_NODE_DEVICE_ID, true)) == NULL)
|
---|
| 606 | )
|
---|
| 607 | {
|
---|
| 608 | LogError("failure retrieving json value assigned_hub: %p, device_id: %p", result->iothub_uri, result->device_id);
|
---|
| 609 | prov_info->error_reason = PROV_DEVICE_RESULT_PARSING;
|
---|
| 610 | free(result->iothub_uri);
|
---|
| 611 | free(result->authorization_key);
|
---|
| 612 | free(result);
|
---|
| 613 | result = NULL;
|
---|
| 614 | }
|
---|
| 615 | else
|
---|
| 616 | {
|
---|
| 617 | // Get the returned Data from the payload if it's there
|
---|
| 618 | retrieve_json_payload(json_reg_status_node, prov_info);
|
---|
| 619 | }
|
---|
| 620 | }
|
---|
| 621 | }
|
---|
| 622 | break;
|
---|
| 623 | }
|
---|
| 624 |
|
---|
| 625 | case PROV_DEVICE_TRANSPORT_STATUS_BLACKLISTED:
|
---|
| 626 | LogError("The device is unauthorized with service");
|
---|
| 627 | prov_info->error_reason = PROV_DEVICE_RESULT_ERROR;
|
---|
| 628 | free(result);
|
---|
| 629 | result = NULL;
|
---|
| 630 | break;
|
---|
| 631 |
|
---|
| 632 | case PROV_DEVICE_TRANSPORT_STATUS_ERROR:
|
---|
| 633 | {
|
---|
| 634 | char* json_operation_id = NULL;
|
---|
| 635 | JSON_Object* json_reg_state = NULL;
|
---|
| 636 | if ((json_reg_state = json_object_get_object(json_object, JSON_NODE_REG_STATUS)) != NULL &&
|
---|
| 637 | (json_operation_id = retrieve_json_string(json_object, JSON_NODE_OPERATION_ID, true)) != NULL)
|
---|
| 638 | {
|
---|
| 639 | int error_code = retrieve_json_number(json_reg_state, JSON_NODE_ERROR_CODE);
|
---|
| 640 | switch (error_code)
|
---|
| 641 | {
|
---|
| 642 | case DPS_HUB_ERROR_NO_HUB:
|
---|
| 643 | prov_info->error_reason = PROV_DEVICE_RESULT_HUB_NOT_SPECIFIED;
|
---|
| 644 | break;
|
---|
| 645 | case DPS_HUB_ERROR_UNAUTH:
|
---|
| 646 | prov_info->error_reason = PROV_DEVICE_RESULT_UNAUTHORIZED;
|
---|
| 647 | break;
|
---|
| 648 | default:
|
---|
| 649 | prov_info->error_reason = PROV_DEVICE_RESULT_DEV_AUTH_ERROR;
|
---|
| 650 | break;
|
---|
| 651 | }
|
---|
| 652 | #ifndef NO_LOGGING
|
---|
| 653 | JSON_Value* json_error_date_time = NULL;
|
---|
| 654 | JSON_Value* json_error_msg = NULL;
|
---|
| 655 | if ((json_error_msg = json_object_get_value(json_reg_state, JSON_NODE_ERROR_MSG)) != NULL &&
|
---|
| 656 | (json_error_date_time = json_object_get_value(json_reg_state, JSON_NODE_DATE_TIME)) != NULL)
|
---|
| 657 | {
|
---|
| 658 | LogError("Provisioning Failure: OperationId: %s - Date: %s - Msg: %s", json_operation_id, json_value_get_string(json_error_date_time), json_value_get_string(json_error_msg) );
|
---|
| 659 | }
|
---|
| 660 | else
|
---|
| 661 | {
|
---|
| 662 | LogError("Unsuccessful json encountered: %s", json_document);
|
---|
| 663 | }
|
---|
| 664 | free(json_operation_id);
|
---|
| 665 | #endif
|
---|
| 666 | }
|
---|
| 667 | else
|
---|
| 668 | {
|
---|
| 669 | prov_info->error_reason = PROV_DEVICE_RESULT_DEV_AUTH_ERROR;
|
---|
| 670 | LogError("Unsuccessful json encountered: %s", json_document);
|
---|
| 671 | }
|
---|
| 672 | free(result);
|
---|
| 673 | result = NULL;
|
---|
| 674 | break;
|
---|
| 675 | }
|
---|
| 676 |
|
---|
| 677 | case PROV_DEVICE_TRANSPORT_STATUS_DISABLED:
|
---|
| 678 | LogError("The device has been disabled by DPS service");
|
---|
| 679 | prov_info->error_reason = PROV_DEVICE_RESULT_DISABLED;
|
---|
| 680 | free(result);
|
---|
| 681 | result = NULL;
|
---|
| 682 | break;
|
---|
| 683 |
|
---|
| 684 | default:
|
---|
| 685 | LogError("invalid json status specified %d", result->prov_status);
|
---|
| 686 | free(result);
|
---|
| 687 | result = NULL;
|
---|
| 688 | break;
|
---|
| 689 | }
|
---|
| 690 | json_value_free(root_value);
|
---|
| 691 | }
|
---|
| 692 | return result;
|
---|
| 693 | }
|
---|
| 694 |
|
---|
| 695 | static void cleanup_prov_info(PROV_INSTANCE_INFO* prov_info)
|
---|
| 696 | {
|
---|
| 697 | if (prov_info->transport_open)
|
---|
| 698 | {
|
---|
| 699 | prov_info->prov_transport_protocol->prov_transport_close(prov_info->transport_handle);
|
---|
| 700 | prov_info->transport_open = false;
|
---|
| 701 | prov_info->is_connected = false;
|
---|
| 702 | }
|
---|
| 703 | free(prov_info->registration_id);
|
---|
| 704 | prov_info->registration_id = NULL;
|
---|
| 705 | free(prov_info->iothub_info.device_id);
|
---|
| 706 | prov_info->iothub_info.device_id = NULL;
|
---|
| 707 | free(prov_info->iothub_info.iothub_key);
|
---|
| 708 | prov_info->iothub_info.iothub_key = NULL;
|
---|
| 709 | free(prov_info->iothub_info.iothub_url);
|
---|
| 710 | prov_info->iothub_info.iothub_url = NULL;
|
---|
| 711 | prov_info->auth_attempts_made = 0;
|
---|
| 712 | }
|
---|
| 713 |
|
---|
| 714 | static void on_transport_registration_data(PROV_DEVICE_TRANSPORT_RESULT transport_result, BUFFER_HANDLE iothub_key, const char* assigned_hub, const char* device_id, void* user_ctx)
|
---|
| 715 | {
|
---|
| 716 | if (user_ctx == NULL)
|
---|
| 717 | {
|
---|
| 718 | LogError("user context was unexpectantly NULL");
|
---|
| 719 | }
|
---|
| 720 | else
|
---|
| 721 | {
|
---|
| 722 | PROV_INSTANCE_INFO* prov_info = (PROV_INSTANCE_INFO*)user_ctx;
|
---|
| 723 | if (transport_result == PROV_DEVICE_TRANSPORT_RESULT_OK)
|
---|
| 724 | {
|
---|
| 725 | if (prov_info->hsm_type == PROV_AUTH_TYPE_TPM)
|
---|
| 726 | {
|
---|
| 727 | if (iothub_key == NULL)
|
---|
| 728 | {
|
---|
| 729 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 730 | if (prov_info->error_reason == PROV_DEVICE_RESULT_OK)
|
---|
| 731 | {
|
---|
| 732 | prov_info->error_reason = PROV_DEVICE_RESULT_KEY_ERROR;
|
---|
| 733 | }
|
---|
| 734 | LogError("invalid iothub device key");
|
---|
| 735 | }
|
---|
| 736 | else
|
---|
| 737 | {
|
---|
| 738 | const unsigned char* key_value = BUFFER_u_char(iothub_key);
|
---|
| 739 | size_t key_len = BUFFER_length(iothub_key);
|
---|
| 740 |
|
---|
| 741 | /* Codes_SRS_SECURE_ENCLAVE_CLIENT_07_028: [ prov_auth_import_key shall import the specified key into the tpm using secure_device_import_key secure enclave function. ] */
|
---|
| 742 | if (prov_auth_import_key(prov_info->prov_auth_handle, key_value, key_len) != 0)
|
---|
| 743 | {
|
---|
| 744 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 745 | prov_info->error_reason = PROV_DEVICE_RESULT_KEY_ERROR;
|
---|
| 746 | LogError("Failure to import the provisioning key");
|
---|
| 747 | }
|
---|
| 748 | }
|
---|
| 749 | }
|
---|
| 750 |
|
---|
| 751 | if (prov_info->prov_state != CLIENT_STATE_ERROR)
|
---|
| 752 | {
|
---|
| 753 | prov_info->register_callback(PROV_DEVICE_RESULT_OK, assigned_hub, device_id, prov_info->user_context);
|
---|
| 754 | prov_info->prov_state = CLIENT_STATE_READY;
|
---|
| 755 | cleanup_prov_info(prov_info);
|
---|
| 756 | }
|
---|
| 757 | }
|
---|
| 758 | else if (transport_result == PROV_DEVICE_TRANSPORT_RESULT_UNAUTHORIZED)
|
---|
| 759 | {
|
---|
| 760 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 761 | prov_info->error_reason = PROV_DEVICE_RESULT_DEV_AUTH_ERROR;
|
---|
| 762 | LogError("provisioning result is unauthorized");
|
---|
| 763 | }
|
---|
| 764 | else
|
---|
| 765 | {
|
---|
| 766 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 767 | if (prov_info->error_reason == PROV_DEVICE_RESULT_OK)
|
---|
| 768 | {
|
---|
| 769 | prov_info->error_reason = PROV_DEVICE_RESULT_TRANSPORT;
|
---|
| 770 | }
|
---|
| 771 | LogError("Failure retrieving data from the provisioning service");
|
---|
| 772 | }
|
---|
| 773 | }
|
---|
| 774 | }
|
---|
| 775 |
|
---|
| 776 | static void on_transport_status(PROV_DEVICE_TRANSPORT_STATUS transport_status, uint32_t retry_interval, void* user_ctx)
|
---|
| 777 | {
|
---|
| 778 | if (user_ctx == NULL)
|
---|
| 779 | {
|
---|
| 780 | LogError("user_ctx was unexpectatly NULL");
|
---|
| 781 | }
|
---|
| 782 | else
|
---|
| 783 | {
|
---|
| 784 | PROV_INSTANCE_INFO* prov_info = (PROV_INSTANCE_INFO*)user_ctx;
|
---|
| 785 |
|
---|
| 786 | prov_info->retry_after_value = retry_interval;
|
---|
| 787 |
|
---|
| 788 | switch (transport_status)
|
---|
| 789 | {
|
---|
| 790 | case PROV_DEVICE_TRANSPORT_STATUS_CONNECTED:
|
---|
| 791 | prov_info->is_connected = true;
|
---|
| 792 | if (prov_info->register_status_cb != NULL)
|
---|
| 793 | {
|
---|
| 794 | prov_info->register_status_cb(PROV_DEVICE_REG_STATUS_CONNECTED, prov_info->status_user_ctx);
|
---|
| 795 | }
|
---|
| 796 | break;
|
---|
| 797 | case PROV_DEVICE_TRANSPORT_STATUS_AUTHENTICATED:
|
---|
| 798 | case PROV_DEVICE_TRANSPORT_STATUS_ASSIGNING:
|
---|
| 799 | case PROV_DEVICE_TRANSPORT_STATUS_UNASSIGNED:
|
---|
| 800 | prov_info->prov_state = CLIENT_STATE_STATUS_SEND;
|
---|
| 801 | if (transport_status == PROV_DEVICE_TRANSPORT_STATUS_UNASSIGNED)
|
---|
| 802 | {
|
---|
| 803 | if (prov_info->register_status_cb != NULL)
|
---|
| 804 | {
|
---|
| 805 | prov_info->register_status_cb(PROV_DEVICE_REG_STATUS_REGISTERING, prov_info->status_user_ctx);
|
---|
| 806 | }
|
---|
| 807 | }
|
---|
| 808 | else if (transport_status == PROV_DEVICE_TRANSPORT_STATUS_ASSIGNING)
|
---|
| 809 | {
|
---|
| 810 | if (prov_info->register_status_cb != NULL)
|
---|
| 811 | {
|
---|
| 812 | prov_info->register_status_cb(PROV_DEVICE_REG_STATUS_ASSIGNING, prov_info->status_user_ctx);
|
---|
| 813 | }
|
---|
| 814 | }
|
---|
| 815 | break;
|
---|
| 816 | case PROV_DEVICE_TRANSPORT_STATUS_TRANSIENT:
|
---|
| 817 | if (prov_info->prov_state == CLIENT_STATE_REGISTER_SENT)
|
---|
| 818 | {
|
---|
| 819 | prov_info->prov_state = CLIENT_STATE_REGISTER_SEND;
|
---|
| 820 | }
|
---|
| 821 | else if (prov_info->prov_state == CLIENT_STATE_STATUS_SENT)
|
---|
| 822 | {
|
---|
| 823 | prov_info->prov_state = CLIENT_STATE_STATUS_SEND;
|
---|
| 824 | }
|
---|
| 825 | else
|
---|
| 826 | {
|
---|
| 827 | // Ideally this should not happen
|
---|
| 828 | LogError("State Error: Transient Error occured in the %d state", (int)transport_status);
|
---|
| 829 | }
|
---|
| 830 | break;
|
---|
| 831 | default:
|
---|
| 832 | LogError("Unknown status encountered");
|
---|
| 833 | break;
|
---|
| 834 | }
|
---|
| 835 | }
|
---|
| 836 | }
|
---|
| 837 |
|
---|
| 838 | static void destroy_instance(PROV_INSTANCE_INFO* prov_info)
|
---|
| 839 | {
|
---|
| 840 | cleanup_prov_info(prov_info);
|
---|
| 841 | // Clean custom request data
|
---|
| 842 | free(prov_info->custom_request_data);
|
---|
| 843 | prov_info->custom_request_data = NULL;
|
---|
| 844 | if (prov_info->custom_response_data != NULL)
|
---|
| 845 | {
|
---|
| 846 | json_free_serialized_string(prov_info->custom_response_data);
|
---|
| 847 | prov_info->custom_response_data = NULL;
|
---|
| 848 | }
|
---|
| 849 | prov_info->prov_transport_protocol->prov_transport_destroy(prov_info->transport_handle);
|
---|
| 850 | prov_info->transport_handle = NULL;
|
---|
| 851 | free(prov_info->scope_id);
|
---|
| 852 | prov_auth_destroy(prov_info->prov_auth_handle);
|
---|
| 853 | tickcounter_destroy(prov_info->tick_counter);
|
---|
| 854 | free(prov_info);
|
---|
| 855 | }
|
---|
| 856 |
|
---|
| 857 | PROV_DEVICE_LL_HANDLE Prov_Device_LL_Create(const char* uri, const char* id_scope, PROV_DEVICE_TRANSPORT_PROVIDER_FUNCTION protocol)
|
---|
| 858 | {
|
---|
| 859 | PROV_INSTANCE_INFO* result;
|
---|
| 860 | /* Codes_SRS_PROV_CLIENT_07_001: [If uri is NULL Prov_Device_LL_CreateFromUri shall return NULL.] */
|
---|
| 861 | if (uri == NULL || id_scope == NULL || protocol == NULL)
|
---|
| 862 | {
|
---|
| 863 | LogError("Invalid parameter specified uri: %p, id_scope: %p, protocol: %p", uri, id_scope, protocol);
|
---|
| 864 | result = NULL;
|
---|
| 865 | }
|
---|
| 866 | else
|
---|
| 867 | {
|
---|
| 868 | srand((unsigned int)get_time(NULL));
|
---|
| 869 |
|
---|
| 870 | /* Codes_SRS_PROV_CLIENT_07_002: [ Prov_Device_LL_CreateFromUri shall allocate a PROV_DEVICE_LL_HANDLE and initialize all members. ] */
|
---|
| 871 | result = (PROV_INSTANCE_INFO*)malloc(sizeof(PROV_INSTANCE_INFO));
|
---|
| 872 | if (result == NULL)
|
---|
| 873 | {
|
---|
| 874 | LogError("unable to allocate Instance Info");
|
---|
| 875 | }
|
---|
| 876 | else
|
---|
| 877 | {
|
---|
| 878 | memset(result, 0, sizeof(PROV_INSTANCE_INFO));
|
---|
| 879 |
|
---|
| 880 | /* Codes_SRS_PROV_CLIENT_07_028: [ CLIENT_STATE_READY is the initial state after the object is created which will send a uhttp_client_open call to the http endpoint. ] */
|
---|
| 881 | result->prov_state = CLIENT_STATE_READY;
|
---|
| 882 | result->retry_after_value = PROV_GET_THROTTLE_TIME;
|
---|
| 883 | result->prov_transport_protocol = protocol();
|
---|
| 884 | result->error_reason = PROV_DEVICE_RESULT_OK;
|
---|
| 885 |
|
---|
| 886 | /* Codes_SRS_PROV_CLIENT_07_034: [ Prov_Device_LL_Create shall construct a id_scope by base64 encoding the uri. ] */
|
---|
| 887 | if (mallocAndStrcpy_s(&result->scope_id, id_scope) != 0)
|
---|
| 888 | {
|
---|
| 889 | /* Codes_SRS_PROV_CLIENT_07_003: [ If any error is encountered, Prov_Device_LL_CreateFromUri shall return NULL. ] */
|
---|
| 890 | LogError("failed to construct id_scope");
|
---|
| 891 | free(result);
|
---|
| 892 | result = NULL;
|
---|
| 893 | }
|
---|
| 894 | else if ((result->prov_auth_handle = prov_auth_create()) == NULL)
|
---|
| 895 | {
|
---|
| 896 | /* Codes_SRS_PROV_CLIENT_07_003: [ If any error is encountered, Prov_Device_LL_CreateFromUri shall return NULL. ] */
|
---|
| 897 | LogError("failed calling prov_auth_create\r\n");
|
---|
| 898 | destroy_instance(result);
|
---|
| 899 | result = NULL;
|
---|
| 900 | }
|
---|
| 901 | else if ((result->tick_counter = tickcounter_create()) == NULL)
|
---|
| 902 | {
|
---|
| 903 | LogError("failure: allocating tickcounter");
|
---|
| 904 | destroy_instance(result);
|
---|
| 905 | result = NULL;
|
---|
| 906 | }
|
---|
| 907 | else
|
---|
| 908 | {
|
---|
| 909 | TRANSPORT_HSM_TYPE hsm_type;
|
---|
| 910 | if ((result->hsm_type = prov_auth_get_type(result->prov_auth_handle)) == PROV_AUTH_TYPE_TPM)
|
---|
| 911 | {
|
---|
| 912 | hsm_type = TRANSPORT_HSM_TYPE_TPM;
|
---|
| 913 | }
|
---|
| 914 | else if (result->hsm_type == PROV_AUTH_TYPE_KEY)
|
---|
| 915 | {
|
---|
| 916 | hsm_type = TRANSPORT_HSM_TYPE_SYMM_KEY;
|
---|
| 917 | }
|
---|
| 918 | else
|
---|
| 919 | {
|
---|
| 920 | hsm_type = TRANSPORT_HSM_TYPE_X509;
|
---|
| 921 | }
|
---|
| 922 |
|
---|
| 923 | if ((result->transport_handle = result->prov_transport_protocol->prov_transport_create(uri, hsm_type, result->scope_id, PROV_API_VERSION, on_transport_error, result)) == NULL)
|
---|
| 924 | {
|
---|
| 925 | /* Codes_SRS_PROV_CLIENT_07_003: [ If any error is encountered, Prov_Device_LL_CreateFromUri shall return NULL. ] */
|
---|
| 926 | LogError("failed calling into transport create");
|
---|
| 927 | destroy_instance(result);
|
---|
| 928 | result = NULL;
|
---|
| 929 | }
|
---|
| 930 | else
|
---|
| 931 | {
|
---|
| 932 | // Ensure that we are passed the throttling time and send on the first send
|
---|
| 933 | (void)tickcounter_get_current_ms(result->tick_counter, &result->status_throttle);
|
---|
| 934 | result->status_throttle += (result->retry_after_value * 1000);
|
---|
| 935 | }
|
---|
| 936 | }
|
---|
| 937 | }
|
---|
| 938 | }
|
---|
| 939 | return (PROV_DEVICE_LL_HANDLE)result;
|
---|
| 940 | }
|
---|
| 941 |
|
---|
| 942 | void Prov_Device_LL_Destroy(PROV_DEVICE_LL_HANDLE handle)
|
---|
| 943 | {
|
---|
| 944 | /* Codes_SRS_PROV_CLIENT_07_005: [ If handle is NULL Prov_Device_LL_Destroy shall do nothing. ] */
|
---|
| 945 | if (handle != NULL)
|
---|
| 946 | {
|
---|
| 947 | /* Codes_SRS_PROV_CLIENT_07_006: [ Prov_Device_LL_Destroy shall destroy resources associated with the IoTHub_client ] */
|
---|
| 948 | destroy_instance(handle);
|
---|
| 949 | }
|
---|
| 950 | }
|
---|
| 951 |
|
---|
| 952 | PROV_DEVICE_RESULT Prov_Device_LL_Register_Device(PROV_DEVICE_LL_HANDLE handle, PROV_DEVICE_CLIENT_REGISTER_DEVICE_CALLBACK register_callback, void* user_context, PROV_DEVICE_CLIENT_REGISTER_STATUS_CALLBACK reg_status_cb, void* status_ctx)
|
---|
| 953 | {
|
---|
| 954 | PROV_DEVICE_RESULT result;
|
---|
| 955 | /* Codes_SRS_PROV_CLIENT_07_007: [ If handle or register_callback is NULL, Prov_Device_LL_Register_Device shall return PROV_CLIENT_INVALID_ARG. ] */
|
---|
| 956 | if (handle == NULL || register_callback == NULL)
|
---|
| 957 | {
|
---|
| 958 | LogError("Invalid parameter specified handle: %p register_callback: %p", handle, register_callback);
|
---|
| 959 | result = PROV_DEVICE_RESULT_INVALID_ARG;
|
---|
| 960 | }
|
---|
| 961 | /* Codes_SRS_PROV_CLIENT_07_035: [ Prov_Device_LL_Create shall store the registration_id from the security module. ] */
|
---|
| 962 | else if (handle->registration_id == NULL && (handle->registration_id = prov_auth_get_registration_id(handle->prov_auth_handle)) == NULL)
|
---|
| 963 | {
|
---|
| 964 | /* Codes_SRS_PROV_CLIENT_07_003: [ If any error is encountered, Prov_Device_LL_CreateFromUri shall return NULL. ] */
|
---|
| 965 | LogError("failure: Unable to retrieve registration Id from device auth.");
|
---|
| 966 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 967 | }
|
---|
| 968 | else
|
---|
| 969 | {
|
---|
| 970 | BUFFER_HANDLE ek_value = NULL;
|
---|
| 971 | BUFFER_HANDLE srk_value = NULL;
|
---|
| 972 |
|
---|
| 973 | if (handle->prov_state != CLIENT_STATE_READY)
|
---|
| 974 | {
|
---|
| 975 | LogError("state is invalid");
|
---|
| 976 | if (!handle->user_supplied_reg_id)
|
---|
| 977 | {
|
---|
| 978 | free(handle->registration_id);
|
---|
| 979 | handle->registration_id = NULL;
|
---|
| 980 | }
|
---|
| 981 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 982 | }
|
---|
| 983 | else
|
---|
| 984 | {
|
---|
| 985 | if (handle->hsm_type == PROV_AUTH_TYPE_TPM)
|
---|
| 986 | {
|
---|
| 987 | if ((ek_value = prov_auth_get_endorsement_key(handle->prov_auth_handle)) == NULL)
|
---|
| 988 | {
|
---|
| 989 | LogError("Could not get endorsement key from tpm");
|
---|
| 990 | if (!handle->user_supplied_reg_id)
|
---|
| 991 | {
|
---|
| 992 | free(handle->registration_id);
|
---|
| 993 | handle->registration_id = NULL;
|
---|
| 994 | }
|
---|
| 995 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 996 | }
|
---|
| 997 | else if ((srk_value = prov_auth_get_storage_key(handle->prov_auth_handle)) == NULL)
|
---|
| 998 | {
|
---|
| 999 | LogError("Could not get storage root key from tpm");
|
---|
| 1000 | if (!handle->user_supplied_reg_id)
|
---|
| 1001 | {
|
---|
| 1002 | free(handle->registration_id);
|
---|
| 1003 | handle->registration_id = NULL;
|
---|
| 1004 | }
|
---|
| 1005 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1006 | BUFFER_delete(ek_value);
|
---|
| 1007 | }
|
---|
| 1008 | else
|
---|
| 1009 | {
|
---|
| 1010 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1011 | }
|
---|
| 1012 | }
|
---|
| 1013 | else if (handle->hsm_type == PROV_AUTH_TYPE_X509)
|
---|
| 1014 | {
|
---|
| 1015 | char* x509_cert;
|
---|
| 1016 | char* x509_private_key;
|
---|
| 1017 | if ((x509_cert = prov_auth_get_certificate(handle->prov_auth_handle)) == NULL)
|
---|
| 1018 | {
|
---|
| 1019 | LogError("Could not get the x509 certificate");
|
---|
| 1020 | if (!handle->user_supplied_reg_id)
|
---|
| 1021 | {
|
---|
| 1022 | free(handle->registration_id);
|
---|
| 1023 | handle->registration_id = NULL;
|
---|
| 1024 | }
|
---|
| 1025 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1026 | }
|
---|
| 1027 | else if ((x509_private_key = prov_auth_get_alias_key(handle->prov_auth_handle)) == NULL)
|
---|
| 1028 | {
|
---|
| 1029 | LogError("Could not get the x509 alias key");
|
---|
| 1030 | if (!handle->user_supplied_reg_id)
|
---|
| 1031 | {
|
---|
| 1032 | free(handle->registration_id);
|
---|
| 1033 | handle->registration_id = NULL;
|
---|
| 1034 | }
|
---|
| 1035 | free(x509_cert);
|
---|
| 1036 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1037 | }
|
---|
| 1038 | else
|
---|
| 1039 | {
|
---|
| 1040 | if (handle->prov_transport_protocol->prov_transport_x509_cert(handle->transport_handle, x509_cert, x509_private_key) != 0)
|
---|
| 1041 | {
|
---|
| 1042 | LogError("unable to set the x509 certificate information on transport");
|
---|
| 1043 | if (!handle->user_supplied_reg_id)
|
---|
| 1044 | {
|
---|
| 1045 | free(handle->registration_id);
|
---|
| 1046 | handle->registration_id = NULL;
|
---|
| 1047 | }
|
---|
| 1048 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1049 | }
|
---|
| 1050 | else
|
---|
| 1051 | {
|
---|
| 1052 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1053 | }
|
---|
| 1054 | free(x509_cert);
|
---|
| 1055 | free(x509_private_key);
|
---|
| 1056 | }
|
---|
| 1057 | }
|
---|
| 1058 | else
|
---|
| 1059 | {
|
---|
| 1060 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1061 | }
|
---|
| 1062 | }
|
---|
| 1063 | if (result == PROV_DEVICE_RESULT_OK)
|
---|
| 1064 | {
|
---|
| 1065 | /* Codes_SRS_PROV_CLIENT_07_008: [ Prov_Device_LL_Register_Device shall set the state to send the registration request to on subsequent DoWork calls. ] */
|
---|
| 1066 | handle->register_callback = register_callback;
|
---|
| 1067 | handle->user_context = user_context;
|
---|
| 1068 |
|
---|
| 1069 | handle->register_status_cb = reg_status_cb;
|
---|
| 1070 | handle->status_user_ctx = status_ctx;
|
---|
| 1071 |
|
---|
| 1072 | // Free the custom data if its been allocated
|
---|
| 1073 | if (handle->custom_response_data != NULL)
|
---|
| 1074 | {
|
---|
| 1075 | json_free_serialized_string(handle->custom_response_data);
|
---|
| 1076 | handle->custom_response_data = NULL;
|
---|
| 1077 | }
|
---|
| 1078 |
|
---|
| 1079 | if (handle->prov_transport_protocol->prov_transport_open(handle->transport_handle, handle->registration_id, ek_value, srk_value, on_transport_registration_data, handle, on_transport_status, handle, prov_transport_challenge_callback, handle) != 0)
|
---|
| 1080 | {
|
---|
| 1081 | LogError("Failure establishing connection");
|
---|
| 1082 | if (!handle->user_supplied_reg_id)
|
---|
| 1083 | {
|
---|
| 1084 | free(handle->registration_id);
|
---|
| 1085 | handle->registration_id = NULL;
|
---|
| 1086 | }
|
---|
| 1087 | handle->register_callback = NULL;
|
---|
| 1088 | handle->user_context = NULL;
|
---|
| 1089 |
|
---|
| 1090 | handle->register_status_cb = NULL;
|
---|
| 1091 | handle->status_user_ctx = NULL;
|
---|
| 1092 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1093 | }
|
---|
| 1094 | else
|
---|
| 1095 | {
|
---|
| 1096 | handle->transport_open = true;
|
---|
| 1097 | handle->prov_state = CLIENT_STATE_REGISTER_SEND;
|
---|
| 1098 | /* Codes_SRS_PROV_CLIENT_07_009: [ Upon success Prov_Device_LL_Register_Device shall return PROV_CLIENT_OK. ] */
|
---|
| 1099 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1100 | }
|
---|
| 1101 | BUFFER_delete(ek_value);
|
---|
| 1102 | BUFFER_delete(srk_value);
|
---|
| 1103 | }
|
---|
| 1104 | }
|
---|
| 1105 | return result;
|
---|
| 1106 | }
|
---|
| 1107 |
|
---|
| 1108 | void Prov_Device_LL_DoWork(PROV_DEVICE_LL_HANDLE handle)
|
---|
| 1109 | {
|
---|
| 1110 | /* Codes_SRS_PROV_CLIENT_07_010: [ If handle is NULL, Prov_Device_LL_DoWork shall do nothing. ] */
|
---|
| 1111 | if (handle != NULL)
|
---|
| 1112 | {
|
---|
| 1113 | PROV_INSTANCE_INFO* prov_info = (PROV_INSTANCE_INFO*)handle;
|
---|
| 1114 | /* Codes_SRS_PROV_CLIENT_07_011: [ Prov_Device_LL_DoWork shall call the underlying http_client_dowork function ] */
|
---|
| 1115 | if (prov_info->prov_state != CLIENT_STATE_ERROR)
|
---|
| 1116 | {
|
---|
| 1117 | prov_info->prov_transport_protocol->prov_transport_dowork(prov_info->transport_handle);
|
---|
| 1118 | }
|
---|
| 1119 | if (prov_info->is_connected || prov_info->prov_state == CLIENT_STATE_ERROR)
|
---|
| 1120 | {
|
---|
| 1121 | switch (prov_info->prov_state)
|
---|
| 1122 | {
|
---|
| 1123 | case CLIENT_STATE_REGISTER_SEND:
|
---|
| 1124 | /* Codes_SRS_PROV_CLIENT_07_013: [ CLIENT_STATE_REGISTER_SEND which shall construct an initial call to the service with endorsement information ] */
|
---|
| 1125 | if (prov_info->prov_transport_protocol->prov_transport_register(prov_info->transport_handle, prov_transport_process_json_reply, prov_transport_create_json_payload, prov_info) != 0)
|
---|
| 1126 | {
|
---|
| 1127 | LogError("Failure registering device");
|
---|
| 1128 | if (prov_info->error_reason == PROV_DEVICE_RESULT_OK)
|
---|
| 1129 | {
|
---|
| 1130 | prov_info->error_reason = PROV_DEVICE_RESULT_TRANSPORT;
|
---|
| 1131 | }
|
---|
| 1132 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 1133 | }
|
---|
| 1134 | else
|
---|
| 1135 | {
|
---|
| 1136 | (void)tickcounter_get_current_ms(prov_info->tick_counter, &prov_info->timeout_value);
|
---|
| 1137 | prov_info->prov_state = CLIENT_STATE_REGISTER_SENT;
|
---|
| 1138 | }
|
---|
| 1139 | break;
|
---|
| 1140 |
|
---|
| 1141 | case CLIENT_STATE_STATUS_SEND:
|
---|
| 1142 | {
|
---|
| 1143 | tickcounter_ms_t current_time = 0;
|
---|
| 1144 | if (tickcounter_get_current_ms(prov_info->tick_counter, ¤t_time) != 0)
|
---|
| 1145 | {
|
---|
| 1146 | LogError("Failure getting the current time");
|
---|
| 1147 | prov_info->error_reason = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1148 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 1149 | }
|
---|
| 1150 | else
|
---|
| 1151 | {
|
---|
| 1152 | if ((current_time - prov_info->status_throttle) / 1000 > prov_info->retry_after_value)
|
---|
| 1153 | {
|
---|
| 1154 | /* Codes_SRS_PROV_CLIENT_07_026: [ Upon receiving the reply of the CLIENT_STATE_URL_REQ_SEND message from iothub_client shall process the the reply of the CLIENT_STATE_URL_REQ_SEND state ] */
|
---|
| 1155 | if (prov_info->prov_transport_protocol->prov_transport_get_op_status(prov_info->transport_handle) != 0)
|
---|
| 1156 | {
|
---|
| 1157 | LogError("Failure sending operation status");
|
---|
| 1158 | if (prov_info->error_reason == PROV_DEVICE_RESULT_OK)
|
---|
| 1159 | {
|
---|
| 1160 | prov_info->error_reason = PROV_DEVICE_RESULT_TRANSPORT;
|
---|
| 1161 | }
|
---|
| 1162 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 1163 | }
|
---|
| 1164 | else
|
---|
| 1165 | {
|
---|
| 1166 | prov_info->prov_state = CLIENT_STATE_STATUS_SENT;
|
---|
| 1167 | if (tickcounter_get_current_ms(prov_info->tick_counter, &prov_info->timeout_value) != 0)
|
---|
| 1168 | {
|
---|
| 1169 | LogError("Failure getting the current time");
|
---|
| 1170 | prov_info->error_reason = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1171 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 1172 | }
|
---|
| 1173 | }
|
---|
| 1174 | prov_info->status_throttle = current_time;
|
---|
| 1175 | }
|
---|
| 1176 | }
|
---|
| 1177 | break;
|
---|
| 1178 | }
|
---|
| 1179 |
|
---|
| 1180 | case CLIENT_STATE_REGISTER_SENT:
|
---|
| 1181 | case CLIENT_STATE_STATUS_SENT:
|
---|
| 1182 | {
|
---|
| 1183 | if (prov_info->prov_timeout > 0)
|
---|
| 1184 | {
|
---|
| 1185 | tickcounter_ms_t current_time = 0;
|
---|
| 1186 | (void)tickcounter_get_current_ms(prov_info->tick_counter, ¤t_time);
|
---|
| 1187 | if ((current_time - prov_info->timeout_value) / 1000 > prov_info->prov_timeout)
|
---|
| 1188 | {
|
---|
| 1189 | LogError("Timeout waiting for reply");
|
---|
| 1190 | prov_info->error_reason = PROV_DEVICE_RESULT_TIMEOUT;
|
---|
| 1191 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 1192 | }
|
---|
| 1193 | }
|
---|
| 1194 | break;
|
---|
| 1195 | }
|
---|
| 1196 |
|
---|
| 1197 | case CLIENT_STATE_READY:
|
---|
| 1198 | break;
|
---|
| 1199 |
|
---|
| 1200 | case CLIENT_STATE_ERROR:
|
---|
| 1201 | default:
|
---|
| 1202 | prov_info->register_callback(prov_info->error_reason, NULL, NULL, prov_info->user_context);
|
---|
| 1203 | prov_info->prov_state = CLIENT_STATE_READY;
|
---|
| 1204 | cleanup_prov_info(prov_info);
|
---|
| 1205 | break;
|
---|
| 1206 | }
|
---|
| 1207 | }
|
---|
| 1208 | else
|
---|
| 1209 | {
|
---|
| 1210 | // Check the connection
|
---|
| 1211 | if ((prov_info->prov_state != CLIENT_STATE_READY) && (prov_info->prov_timeout > 0))
|
---|
| 1212 | {
|
---|
| 1213 | tickcounter_ms_t current_time = 0;
|
---|
| 1214 | (void)tickcounter_get_current_ms(prov_info->tick_counter, ¤t_time);
|
---|
| 1215 | if ((current_time - prov_info->timeout_value) / 1000 > prov_info->prov_timeout)
|
---|
| 1216 | {
|
---|
| 1217 | LogError("Timed out connecting to provisioning service");
|
---|
| 1218 | prov_info->error_reason = PROV_DEVICE_RESULT_TIMEOUT;
|
---|
| 1219 | prov_info->prov_state = CLIENT_STATE_ERROR;
|
---|
| 1220 | }
|
---|
| 1221 | }
|
---|
| 1222 | }
|
---|
| 1223 | }
|
---|
| 1224 | }
|
---|
| 1225 |
|
---|
| 1226 | PROV_DEVICE_RESULT Prov_Device_LL_SetOption(PROV_DEVICE_LL_HANDLE handle, const char* option_name, const void* value)
|
---|
| 1227 | {
|
---|
| 1228 | PROV_DEVICE_RESULT result;
|
---|
| 1229 | if (handle == NULL || option_name == NULL)
|
---|
| 1230 | {
|
---|
| 1231 | LogError("Invalid parameter specified handle: %p option_name: %p", handle, option_name);
|
---|
| 1232 | result = PROV_DEVICE_RESULT_INVALID_ARG;
|
---|
| 1233 | }
|
---|
| 1234 | else
|
---|
| 1235 | {
|
---|
| 1236 | if (strcmp(option_name, OPTION_TRUSTED_CERT) == 0)
|
---|
| 1237 | {
|
---|
| 1238 | const char* cert_info = (const char*)value;
|
---|
| 1239 | if (handle->prov_transport_protocol->prov_transport_trusted_cert(handle->transport_handle, cert_info) != 0)
|
---|
| 1240 | {
|
---|
| 1241 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1242 | LogError("failure allocating certificate");
|
---|
| 1243 | }
|
---|
| 1244 | else
|
---|
| 1245 | {
|
---|
| 1246 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1247 | }
|
---|
| 1248 | }
|
---|
| 1249 | else if (strcmp(OPTION_LOG_TRACE, option_name) == 0)
|
---|
| 1250 | {
|
---|
| 1251 | bool log_trace = *((bool*)value);
|
---|
| 1252 | if (handle->prov_transport_protocol->prov_transport_set_trace(handle->transport_handle, log_trace) != 0)
|
---|
| 1253 | {
|
---|
| 1254 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1255 | LogError("failure setting trace option");
|
---|
| 1256 | }
|
---|
| 1257 | else
|
---|
| 1258 | {
|
---|
| 1259 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1260 | }
|
---|
| 1261 | }
|
---|
| 1262 | else if (strcmp(OPTION_HTTP_PROXY, option_name) == 0)
|
---|
| 1263 | {
|
---|
| 1264 | /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_001: [ If `option` is `proxy_data`, `value` shall be used as an `HTTP_PROXY_OPTIONS*`. ]*/
|
---|
| 1265 | HTTP_PROXY_OPTIONS* proxy_options = (HTTP_PROXY_OPTIONS*)value;
|
---|
| 1266 |
|
---|
| 1267 | if (handle->prov_transport_protocol->prov_transport_set_proxy(handle->transport_handle, proxy_options) != 0)
|
---|
| 1268 | {
|
---|
| 1269 | LogError("setting proxy options");
|
---|
| 1270 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1271 | }
|
---|
| 1272 | else
|
---|
| 1273 | {
|
---|
| 1274 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1275 | }
|
---|
| 1276 | }
|
---|
| 1277 | else if (strcmp(PROV_OPTION_TIMEOUT, option_name) == 0)
|
---|
| 1278 | {
|
---|
| 1279 | if (value == NULL)
|
---|
| 1280 | {
|
---|
| 1281 | LogError("setting proxy options");
|
---|
| 1282 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1283 | }
|
---|
| 1284 | else
|
---|
| 1285 | {
|
---|
| 1286 | handle->prov_timeout = *((uint8_t*)value);
|
---|
| 1287 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1288 | }
|
---|
| 1289 | }
|
---|
| 1290 | else if (strcmp(PROV_REGISTRATION_ID, option_name) == 0)
|
---|
| 1291 | {
|
---|
| 1292 | if (handle->prov_state != CLIENT_STATE_READY)
|
---|
| 1293 | {
|
---|
| 1294 | LogError("registration id cannot be set after registration has begun");
|
---|
| 1295 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1296 | }
|
---|
| 1297 | else if (value == NULL)
|
---|
| 1298 | {
|
---|
| 1299 | LogError("value must be set to the correct registration id");
|
---|
| 1300 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1301 | }
|
---|
| 1302 | else
|
---|
| 1303 | {
|
---|
| 1304 | char* temp_reg;
|
---|
| 1305 | if (mallocAndStrcpy_s(&temp_reg, (const char*)value) != 0)
|
---|
| 1306 | {
|
---|
| 1307 | LogError("Failure allocating setting registration id");
|
---|
| 1308 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1309 | }
|
---|
| 1310 | else if (prov_auth_set_registration_id(handle->prov_auth_handle, temp_reg) != 0)
|
---|
| 1311 | {
|
---|
| 1312 | LogError("Failure setting registration id");
|
---|
| 1313 | free(temp_reg);
|
---|
| 1314 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1315 | }
|
---|
| 1316 | else
|
---|
| 1317 | {
|
---|
| 1318 | if (handle->registration_id != NULL)
|
---|
| 1319 | {
|
---|
| 1320 | free(handle->registration_id);
|
---|
| 1321 | }
|
---|
| 1322 | handle->registration_id = temp_reg;
|
---|
| 1323 | handle->user_supplied_reg_id = true;
|
---|
| 1324 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1325 | }
|
---|
| 1326 | }
|
---|
| 1327 | }
|
---|
| 1328 | else
|
---|
| 1329 | {
|
---|
| 1330 | if (handle->prov_transport_protocol->prov_transport_set_option(handle->transport_handle, option_name, value) != 0)
|
---|
| 1331 | {
|
---|
| 1332 | LogError("Failure in prov transport set option\n");
|
---|
| 1333 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1334 | }
|
---|
| 1335 | else
|
---|
| 1336 | {
|
---|
| 1337 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1338 | }
|
---|
| 1339 | }
|
---|
| 1340 | }
|
---|
| 1341 | return result;
|
---|
| 1342 | }
|
---|
| 1343 |
|
---|
| 1344 | const char* Prov_Device_LL_GetVersionString(void)
|
---|
| 1345 | {
|
---|
| 1346 | return PROV_DEVICE_CLIENT_VERSION;
|
---|
| 1347 | }
|
---|
| 1348 |
|
---|
| 1349 | PROV_DEVICE_RESULT Prov_Device_LL_Set_Provisioning_Payload(PROV_DEVICE_LL_HANDLE handle, const char* jsonDataField)
|
---|
| 1350 | {
|
---|
| 1351 | PROV_DEVICE_RESULT result;
|
---|
| 1352 | if (handle == NULL)
|
---|
| 1353 | {
|
---|
| 1354 | LogError("Invalid parameter specified handle: %p", handle);
|
---|
| 1355 | result = PROV_DEVICE_RESULT_INVALID_ARG;
|
---|
| 1356 | }
|
---|
| 1357 | else
|
---|
| 1358 | {
|
---|
| 1359 | char* temp_data;
|
---|
| 1360 | if (mallocAndStrcpy_s(&temp_data, jsonDataField) != 0)
|
---|
| 1361 | {
|
---|
| 1362 | LogError("Failure setting custom provisioning data");
|
---|
| 1363 | result = PROV_DEVICE_RESULT_ERROR;
|
---|
| 1364 | }
|
---|
| 1365 | else
|
---|
| 1366 | {
|
---|
| 1367 | if (handle->custom_request_data != NULL)
|
---|
| 1368 | {
|
---|
| 1369 | free(handle->custom_request_data);
|
---|
| 1370 | }
|
---|
| 1371 | handle->custom_request_data = temp_data;
|
---|
| 1372 | result = PROV_DEVICE_RESULT_OK;
|
---|
| 1373 | }
|
---|
| 1374 | }
|
---|
| 1375 | return result;
|
---|
| 1376 | }
|
---|
| 1377 |
|
---|
| 1378 | const char* Prov_Device_LL_Get_Provisioning_Payload(PROV_DEVICE_LL_HANDLE handle)
|
---|
| 1379 | {
|
---|
| 1380 | const char* result;
|
---|
| 1381 | if (handle == NULL)
|
---|
| 1382 | {
|
---|
| 1383 | LogError("Invalid parameter specified handle: %p", handle);
|
---|
| 1384 | result = NULL;
|
---|
| 1385 | }
|
---|
| 1386 | else
|
---|
| 1387 | {
|
---|
| 1388 | result = handle->custom_response_data;
|
---|
| 1389 | }
|
---|
| 1390 | return result;
|
---|
| 1391 | }
|
---|