Azure IoT / azure_c_shared_utility

Azure IoT common library

Dependents:   STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more

tlsio_wolfssl.c@40:3f3af6cd8a01, 2018-02-15 (annotated)

Committer:
AzureIoTClient
Date:
Thu Feb 15 11:37:42 2018 -0800
Revision:
40:3f3af6cd8a01
Parent:
39:05674f3c9d9d
Child:
42:0cc3c211ad26
1.1.32

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:fa2de1b79154 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:fa2de1b79154 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:fa2de1b79154 3
Azure.IoT Build 0:fa2de1b79154 4 #include <stdlib.h>
AzureIoTClient 39:05674f3c9d9d 5 #define WOLFSSL_OPTIONS_IGNORE_SYS
AzureIoTClient 39:05674f3c9d9d 6 #include "wolfssl/options.h"
Azure.IoT Build 0:fa2de1b79154 7 #include "wolfssl/ssl.h"
Azure.IoT Build 0:fa2de1b79154 8 #include "wolfssl/error-ssl.h"
Azure.IoT Build 0:fa2de1b79154 9 #include <stdio.h>
Azure.IoT Build 0:fa2de1b79154 10 #include <stdbool.h>
Azure.IoT Build 0:fa2de1b79154 11 #include <string.h>
AzureIoTClient 39:05674f3c9d9d 12 #include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build 0:fa2de1b79154 13 #include "azure_c_shared_utility/tlsio.h"
Azure.IoT Build 0:fa2de1b79154 14 #include "azure_c_shared_utility/tlsio_wolfssl.h"
Azure.IoT Build 0:fa2de1b79154 15 #include "azure_c_shared_utility/socketio.h"
Azure.IoT Build 6:c55b013dfc2a 16 #include "azure_c_shared_utility/crt_abstractions.h"
AzureIoTClient 21:b92006c5b9ff 17 #include "azure_c_shared_utility/optimize_size.h"
Azure.IoT Build 6:c55b013dfc2a 18 #include "azure_c_shared_utility/xlogging.h"
AzureIoTClient 15:956c6d205aa7 19 #include "azure_c_shared_utility/shared_util_options.h"
AzureIoTClient 15:956c6d205aa7 20
Azure.IoT Build 0:fa2de1b79154 21 typedef enum TLSIO_STATE_ENUM_TAG
Azure.IoT Build 0:fa2de1b79154 22 {
Azure.IoT Build 0:fa2de1b79154 23 TLSIO_STATE_NOT_OPEN,
Azure.IoT Build 0:fa2de1b79154 24 TLSIO_STATE_OPENING_UNDERLYING_IO,
Azure.IoT Build 0:fa2de1b79154 25 TLSIO_STATE_IN_HANDSHAKE,
Azure.IoT Build 0:fa2de1b79154 26 TLSIO_STATE_OPEN,
Azure.IoT Build 0:fa2de1b79154 27 TLSIO_STATE_CLOSING,
Azure.IoT Build 0:fa2de1b79154 28 TLSIO_STATE_ERROR
Azure.IoT Build 0:fa2de1b79154 29 } TLSIO_STATE_ENUM;
Azure.IoT Build 0:fa2de1b79154 30
Azure.IoT Build 0:fa2de1b79154 31 typedef struct TLS_IO_INSTANCE_TAG
Azure.IoT Build 0:fa2de1b79154 32 {
Azure.IoT Build 0:fa2de1b79154 33 XIO_HANDLE socket_io;
Azure.IoT Build 0:fa2de1b79154 34 ON_BYTES_RECEIVED on_bytes_received;
Azure.IoT Build 0:fa2de1b79154 35 ON_IO_OPEN_COMPLETE on_io_open_complete;
Azure.IoT Build 0:fa2de1b79154 36 ON_IO_CLOSE_COMPLETE on_io_close_complete;
Azure.IoT Build 0:fa2de1b79154 37 ON_IO_ERROR on_io_error;
Azure.IoT Build 0:fa2de1b79154 38 void* on_bytes_received_context;
Azure.IoT Build 0:fa2de1b79154 39 void* on_io_open_complete_context;
Azure.IoT Build 0:fa2de1b79154 40 void* on_io_close_complete_context;
Azure.IoT Build 0:fa2de1b79154 41 void* on_io_error_context;
Azure.IoT Build 0:fa2de1b79154 42 WOLFSSL* ssl;
Azure.IoT Build 0:fa2de1b79154 43 WOLFSSL_CTX* ssl_context;
Azure.IoT Build 0:fa2de1b79154 44 TLSIO_STATE_ENUM tlsio_state;
Azure.IoT Build 0:fa2de1b79154 45 unsigned char* socket_io_read_bytes;
Azure.IoT Build 0:fa2de1b79154 46 size_t socket_io_read_byte_count;
Azure.IoT Build 0:fa2de1b79154 47 ON_SEND_COMPLETE on_send_complete;
Azure.IoT Build 0:fa2de1b79154 48 void* on_send_complete_callback_context;
Azure.IoT Build 6:c55b013dfc2a 49 char* certificate;
AzureIoTClient 15:956c6d205aa7 50 char* x509certificate;
AzureIoTClient 15:956c6d205aa7 51 char* x509privatekey;
Azure.IoT Build 0:fa2de1b79154 52 } TLS_IO_INSTANCE;
Azure.IoT Build 0:fa2de1b79154 53
AzureIoTClient 10:1be0bc9a9deb 54 /*this function will clone an option given by name and value*/
AzureIoTClient 10:1be0bc9a9deb 55 static void* tlsio_wolfssl_CloneOption(const char* name, const void* value)
AzureIoTClient 10:1be0bc9a9deb 56 {
AzureIoTClient 10:1be0bc9a9deb 57 void* result;
AzureIoTClient 15:956c6d205aa7 58 if ((name == NULL) || (value == NULL))
AzureIoTClient 10:1be0bc9a9deb 59 {
AzureIoTClient 15:956c6d205aa7 60 LogError("invalid parameter detected: const char* name=%p, const void* value=%p", name, value);
AzureIoTClient 10:1be0bc9a9deb 61 result = NULL;
AzureIoTClient 10:1be0bc9a9deb 62 }
AzureIoTClient 10:1be0bc9a9deb 63 else
AzureIoTClient 10:1be0bc9a9deb 64 {
AzureIoTClient 40:3f3af6cd8a01 65 if (strcmp(name, OPTION_TRUSTED_CERT) == 0)
AzureIoTClient 10:1be0bc9a9deb 66 {
AzureIoTClient 10:1be0bc9a9deb 67 if (mallocAndStrcpy_s((char**)&result, value) != 0)
AzureIoTClient 10:1be0bc9a9deb 68 {
AzureIoTClient 15:956c6d205aa7 69 LogError("unable to mallocAndStrcpy_s TrustedCerts value");
AzureIoTClient 15:956c6d205aa7 70 result = NULL;
AzureIoTClient 15:956c6d205aa7 71 }
AzureIoTClient 15:956c6d205aa7 72 else
AzureIoTClient 15:956c6d205aa7 73 {
AzureIoTClient 15:956c6d205aa7 74 /*return as is*/
AzureIoTClient 15:956c6d205aa7 75 }
AzureIoTClient 15:956c6d205aa7 76 }
AzureIoTClient 15:956c6d205aa7 77 else if (strcmp(name, SU_OPTION_X509_CERT) == 0)
AzureIoTClient 15:956c6d205aa7 78 {
AzureIoTClient 15:956c6d205aa7 79 if (mallocAndStrcpy_s((char**)&result, value) != 0)
AzureIoTClient 15:956c6d205aa7 80 {
AzureIoTClient 15:956c6d205aa7 81 LogError("unable to mallocAndStrcpy_s x509certificate value");
AzureIoTClient 15:956c6d205aa7 82 result = NULL;
AzureIoTClient 15:956c6d205aa7 83 }
AzureIoTClient 15:956c6d205aa7 84 else
AzureIoTClient 15:956c6d205aa7 85 {
AzureIoTClient 15:956c6d205aa7 86 /*return as is*/
AzureIoTClient 15:956c6d205aa7 87 }
AzureIoTClient 15:956c6d205aa7 88 }
AzureIoTClient 15:956c6d205aa7 89 else if (strcmp(name, SU_OPTION_X509_PRIVATE_KEY) == 0)
AzureIoTClient 15:956c6d205aa7 90 {
AzureIoTClient 15:956c6d205aa7 91 if (mallocAndStrcpy_s((char**)&result, value) != 0)
AzureIoTClient 15:956c6d205aa7 92 {
AzureIoTClient 15:956c6d205aa7 93 LogError("unable to mallocAndStrcpy_s x509privatekey value");
AzureIoTClient 10:1be0bc9a9deb 94 result = NULL;
AzureIoTClient 10:1be0bc9a9deb 95 }
AzureIoTClient 10:1be0bc9a9deb 96 else
AzureIoTClient 10:1be0bc9a9deb 97 {
AzureIoTClient 10:1be0bc9a9deb 98 /*return as is*/
AzureIoTClient 10:1be0bc9a9deb 99 }
AzureIoTClient 10:1be0bc9a9deb 100 }
AzureIoTClient 10:1be0bc9a9deb 101 else
AzureIoTClient 10:1be0bc9a9deb 102 {
AzureIoTClient 15:956c6d205aa7 103 LogError("not handled option : %s", name);
AzureIoTClient 10:1be0bc9a9deb 104 result = NULL;
AzureIoTClient 10:1be0bc9a9deb 105 }
AzureIoTClient 10:1be0bc9a9deb 106 }
AzureIoTClient 10:1be0bc9a9deb 107 return result;
AzureIoTClient 10:1be0bc9a9deb 108 }
AzureIoTClient 10:1be0bc9a9deb 109
AzureIoTClient 10:1be0bc9a9deb 110 /*this function destroys an option previously created*/
AzureIoTClient 10:1be0bc9a9deb 111 static void tlsio_wolfssl_DestroyOption(const char* name, const void* value)
AzureIoTClient 10:1be0bc9a9deb 112 {
AzureIoTClient 10:1be0bc9a9deb 113 /*since all options for this layer are actually string copies., disposing of one is just calling free*/
AzureIoTClient 15:956c6d205aa7 114 if ((name == NULL) || (value == NULL))
AzureIoTClient 10:1be0bc9a9deb 115 {
AzureIoTClient 15:956c6d205aa7 116 LogError("invalid parameter detected: const char* name=%p, const void* value=%p", name, value);
AzureIoTClient 15:956c6d205aa7 117 }
AzureIoTClient 15:956c6d205aa7 118 else
AzureIoTClient 15:956c6d205aa7 119 {
AzureIoTClient 40:3f3af6cd8a01 120 if ((strcmp(name, OPTION_TRUSTED_CERT) == 0) ||
AzureIoTClient 15:956c6d205aa7 121 (strcmp(name, SU_OPTION_X509_CERT) == 0) ||
AzureIoTClient 15:956c6d205aa7 122 (strcmp(name, SU_OPTION_X509_PRIVATE_KEY) == 0))
AzureIoTClient 10:1be0bc9a9deb 123 {
AzureIoTClient 10:1be0bc9a9deb 124 free((void*)value);
AzureIoTClient 10:1be0bc9a9deb 125 }
AzureIoTClient 10:1be0bc9a9deb 126 else
AzureIoTClient 10:1be0bc9a9deb 127 {
AzureIoTClient 15:956c6d205aa7 128 LogError("not handled option : %s", name);
AzureIoTClient 10:1be0bc9a9deb 129 }
AzureIoTClient 10:1be0bc9a9deb 130 }
AzureIoTClient 10:1be0bc9a9deb 131 }
AzureIoTClient 10:1be0bc9a9deb 132
AzureIoTClient 10:1be0bc9a9deb 133 static OPTIONHANDLER_HANDLE tlsio_wolfssl_retrieveoptions(CONCRETE_IO_HANDLE tls_io)
AzureIoTClient 10:1be0bc9a9deb 134 {
AzureIoTClient 10:1be0bc9a9deb 135 OPTIONHANDLER_HANDLE result;
AzureIoTClient 19:2e0811512ceb 136 if (tls_io == NULL)
AzureIoTClient 10:1be0bc9a9deb 137 {
AzureIoTClient 19:2e0811512ceb 138 LogError("NULL tls_io parameter");
AzureIoTClient 19:2e0811512ceb 139 result = NULL;
AzureIoTClient 10:1be0bc9a9deb 140 }
AzureIoTClient 10:1be0bc9a9deb 141 else
AzureIoTClient 10:1be0bc9a9deb 142 {
AzureIoTClient 19:2e0811512ceb 143 result = OptionHandler_Create(tlsio_wolfssl_CloneOption, tlsio_wolfssl_DestroyOption, tlsio_wolfssl_setoption);
AzureIoTClient 19:2e0811512ceb 144 if (result == NULL)
AzureIoTClient 19:2e0811512ceb 145 {
AzureIoTClient 19:2e0811512ceb 146 LogError("unable to OptionHandler_Create");
AzureIoTClient 19:2e0811512ceb 147 /*return as is*/
AzureIoTClient 19:2e0811512ceb 148 }
AzureIoTClient 19:2e0811512ceb 149 else
AzureIoTClient 19:2e0811512ceb 150 {
AzureIoTClient 19:2e0811512ceb 151 /*this layer cares about the certificates and the x509 credentials*/
AzureIoTClient 19:2e0811512ceb 152 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
AzureIoTClient 19:2e0811512ceb 153 if (
AzureIoTClient 19:2e0811512ceb 154 (tls_io_instance->x509certificate != NULL) &&
AzureIoTClient 19:2e0811512ceb 155 (OptionHandler_AddOption(result, SU_OPTION_X509_CERT, tls_io_instance->x509certificate) != 0)
AzureIoTClient 19:2e0811512ceb 156 )
AzureIoTClient 19:2e0811512ceb 157 {
AzureIoTClient 19:2e0811512ceb 158 LogError("unable to save x509certificate option");
AzureIoTClient 19:2e0811512ceb 159 OptionHandler_Destroy(result);
AzureIoTClient 19:2e0811512ceb 160 result = NULL;
AzureIoTClient 19:2e0811512ceb 161 }
AzureIoTClient 19:2e0811512ceb 162 else if (
AzureIoTClient 19:2e0811512ceb 163 (tls_io_instance->x509privatekey != NULL) &&
AzureIoTClient 19:2e0811512ceb 164 (OptionHandler_AddOption(result, SU_OPTION_X509_PRIVATE_KEY, tls_io_instance->x509privatekey) != 0)
AzureIoTClient 19:2e0811512ceb 165 )
AzureIoTClient 19:2e0811512ceb 166 {
AzureIoTClient 19:2e0811512ceb 167 LogError("unable to save x509privatekey option");
AzureIoTClient 19:2e0811512ceb 168 OptionHandler_Destroy(result);
AzureIoTClient 19:2e0811512ceb 169 result = NULL;
AzureIoTClient 19:2e0811512ceb 170 }
AzureIoTClient 19:2e0811512ceb 171 else if (
AzureIoTClient 30:ce3813c5a692 172 (tls_io_instance->certificate != NULL) &&
AzureIoTClient 40:3f3af6cd8a01 173 (OptionHandler_AddOption(result, OPTION_TRUSTED_CERT, tls_io_instance->certificate) != 0)
AzureIoTClient 19:2e0811512ceb 174 )
AzureIoTClient 19:2e0811512ceb 175 {
AzureIoTClient 19:2e0811512ceb 176 LogError("unable to save TrustedCerts option");
AzureIoTClient 19:2e0811512ceb 177 OptionHandler_Destroy(result);
AzureIoTClient 19:2e0811512ceb 178 result = NULL;
AzureIoTClient 19:2e0811512ceb 179 }
AzureIoTClient 19:2e0811512ceb 180 else
AzureIoTClient 19:2e0811512ceb 181 {
AzureIoTClient 19:2e0811512ceb 182 /*all is fine, all interesting options have been saved*/
AzureIoTClient 19:2e0811512ceb 183 /*return as is*/
AzureIoTClient 19:2e0811512ceb 184 }
AzureIoTClient 19:2e0811512ceb 185 }
AzureIoTClient 10:1be0bc9a9deb 186 }
AzureIoTClient 19:2e0811512ceb 187
AzureIoTClient 10:1be0bc9a9deb 188 return result;
AzureIoTClient 10:1be0bc9a9deb 189 }
AzureIoTClient 10:1be0bc9a9deb 190
Azure.IoT Build 0:fa2de1b79154 191 static const IO_INTERFACE_DESCRIPTION tlsio_wolfssl_interface_description =
Azure.IoT Build 0:fa2de1b79154 192 {
AzureIoTClient 10:1be0bc9a9deb 193 tlsio_wolfssl_retrieveoptions,
Azure.IoT Build 0:fa2de1b79154 194 tlsio_wolfssl_create,
Azure.IoT Build 0:fa2de1b79154 195 tlsio_wolfssl_destroy,
Azure.IoT Build 0:fa2de1b79154 196 tlsio_wolfssl_open,
Azure.IoT Build 0:fa2de1b79154 197 tlsio_wolfssl_close,
Azure.IoT Build 0:fa2de1b79154 198 tlsio_wolfssl_send,
Azure.IoT Build 0:fa2de1b79154 199 tlsio_wolfssl_dowork,
Azure.IoT Build 0:fa2de1b79154 200 tlsio_wolfssl_setoption
Azure.IoT Build 0:fa2de1b79154 201 };
Azure.IoT Build 0:fa2de1b79154 202
Azure.IoT Build 0:fa2de1b79154 203 static void indicate_error(TLS_IO_INSTANCE* tls_io_instance)
Azure.IoT Build 0:fa2de1b79154 204 {
Azure.IoT Build 0:fa2de1b79154 205 if (tls_io_instance->on_io_error != NULL)
Azure.IoT Build 0:fa2de1b79154 206 {
Azure.IoT Build 0:fa2de1b79154 207 tls_io_instance->on_io_error(tls_io_instance->on_io_error_context);
Azure.IoT Build 0:fa2de1b79154 208 }
Azure.IoT Build 0:fa2de1b79154 209 }
Azure.IoT Build 0:fa2de1b79154 210
Azure.IoT Build 0:fa2de1b79154 211 static void indicate_open_complete(TLS_IO_INSTANCE* tls_io_instance, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:fa2de1b79154 212 {
Azure.IoT Build 0:fa2de1b79154 213 if (tls_io_instance->on_io_open_complete != NULL)
Azure.IoT Build 0:fa2de1b79154 214 {
Azure.IoT Build 0:fa2de1b79154 215 tls_io_instance->on_io_open_complete(tls_io_instance->on_io_open_complete_context, open_result);
Azure.IoT Build 0:fa2de1b79154 216 }
Azure.IoT Build 0:fa2de1b79154 217 }
Azure.IoT Build 0:fa2de1b79154 218
Azure.IoT Build 0:fa2de1b79154 219 static int decode_ssl_received_bytes(TLS_IO_INSTANCE* tls_io_instance)
Azure.IoT Build 0:fa2de1b79154 220 {
Azure.IoT Build 0:fa2de1b79154 221 int result = 0;
Azure.IoT Build 0:fa2de1b79154 222 unsigned char buffer[64];
Azure.IoT Build 0:fa2de1b79154 223
Azure.IoT Build 0:fa2de1b79154 224 int rcv_bytes = 1;
Azure.IoT Build 0:fa2de1b79154 225 while (rcv_bytes > 0)
Azure.IoT Build 0:fa2de1b79154 226 {
Azure.IoT Build 0:fa2de1b79154 227 rcv_bytes = wolfSSL_read(tls_io_instance->ssl, buffer, sizeof(buffer));
Azure.IoT Build 0:fa2de1b79154 228 if (rcv_bytes > 0)
Azure.IoT Build 0:fa2de1b79154 229 {
Azure.IoT Build 0:fa2de1b79154 230 if (tls_io_instance->on_bytes_received != NULL)
Azure.IoT Build 0:fa2de1b79154 231 {
Azure.IoT Build 0:fa2de1b79154 232 tls_io_instance->on_bytes_received(tls_io_instance->on_bytes_received_context, buffer, rcv_bytes);
Azure.IoT Build 0:fa2de1b79154 233 }
Azure.IoT Build 0:fa2de1b79154 234 }
Azure.IoT Build 0:fa2de1b79154 235 }
Azure.IoT Build 0:fa2de1b79154 236
Azure.IoT Build 0:fa2de1b79154 237 return result;
Azure.IoT Build 0:fa2de1b79154 238 }
Azure.IoT Build 0:fa2de1b79154 239
Azure.IoT Build 0:fa2de1b79154 240 static void on_underlying_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:fa2de1b79154 241 {
Azure.IoT Build 0:fa2de1b79154 242 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
Azure.IoT Build 0:fa2de1b79154 243
Azure.IoT Build 0:fa2de1b79154 244 if (open_result != IO_OPEN_OK)
Azure.IoT Build 0:fa2de1b79154 245 {
AzureIoTClient 19:2e0811512ceb 246 LogError("Underlying IO open failed");
Azure.IoT Build 0:fa2de1b79154 247 tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
Azure.IoT Build 0:fa2de1b79154 248 indicate_open_complete(tls_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:fa2de1b79154 249 }
Azure.IoT Build 0:fa2de1b79154 250 else
Azure.IoT Build 0:fa2de1b79154 251 {
Azure.IoT Build 0:fa2de1b79154 252 int res;
Azure.IoT Build 0:fa2de1b79154 253 tls_io_instance->tlsio_state = TLSIO_STATE_IN_HANDSHAKE;
Azure.IoT Build 0:fa2de1b79154 254
Azure.IoT Build 0:fa2de1b79154 255 res = wolfSSL_connect(tls_io_instance->ssl);
Azure.IoT Build 0:fa2de1b79154 256 if (res != SSL_SUCCESS)
Azure.IoT Build 0:fa2de1b79154 257 {
AzureIoTClient 19:2e0811512ceb 258 LogError("WolfSSL connect failed");
Azure.IoT Build 0:fa2de1b79154 259 indicate_open_complete(tls_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 6:c55b013dfc2a 260 tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
Azure.IoT Build 0:fa2de1b79154 261 }
Azure.IoT Build 0:fa2de1b79154 262 }
Azure.IoT Build 0:fa2de1b79154 263 }
Azure.IoT Build 0:fa2de1b79154 264
Azure.IoT Build 0:fa2de1b79154 265 static void on_underlying_io_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:fa2de1b79154 266 {
AzureIoTClient 40:3f3af6cd8a01 267 if (context != NULL)
AzureIoTClient 40:3f3af6cd8a01 268 {
AzureIoTClient 40:3f3af6cd8a01 269 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
Azure.IoT Build 0:fa2de1b79154 270
AzureIoTClient 40:3f3af6cd8a01 271 unsigned char* new_socket_io_read_bytes = (unsigned char*)realloc(tls_io_instance->socket_io_read_bytes, tls_io_instance->socket_io_read_byte_count + size);
AzureIoTClient 40:3f3af6cd8a01 272 if (new_socket_io_read_bytes == NULL)
AzureIoTClient 40:3f3af6cd8a01 273 {
AzureIoTClient 40:3f3af6cd8a01 274 LogError("Failed allocating memory for received bytes");
AzureIoTClient 40:3f3af6cd8a01 275 tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
AzureIoTClient 40:3f3af6cd8a01 276 indicate_error(tls_io_instance);
AzureIoTClient 40:3f3af6cd8a01 277 }
AzureIoTClient 40:3f3af6cd8a01 278 else
AzureIoTClient 40:3f3af6cd8a01 279 {
AzureIoTClient 40:3f3af6cd8a01 280 tls_io_instance->socket_io_read_bytes = new_socket_io_read_bytes;
AzureIoTClient 40:3f3af6cd8a01 281 (void)memcpy(tls_io_instance->socket_io_read_bytes + tls_io_instance->socket_io_read_byte_count, buffer, size);
AzureIoTClient 40:3f3af6cd8a01 282 tls_io_instance->socket_io_read_byte_count += size;
AzureIoTClient 40:3f3af6cd8a01 283 }
Azure.IoT Build 0:fa2de1b79154 284 }
Azure.IoT Build 0:fa2de1b79154 285 else
Azure.IoT Build 0:fa2de1b79154 286 {
AzureIoTClient 40:3f3af6cd8a01 287 LogInfo("Supplied context is NULL on bytes_received");
Azure.IoT Build 0:fa2de1b79154 288 }
Azure.IoT Build 0:fa2de1b79154 289 }
Azure.IoT Build 0:fa2de1b79154 290
Azure.IoT Build 0:fa2de1b79154 291 static void on_underlying_io_error(void* context)
Azure.IoT Build 0:fa2de1b79154 292 {
AzureIoTClient 40:3f3af6cd8a01 293 if (context != NULL)
Azure.IoT Build 0:fa2de1b79154 294 {
AzureIoTClient 40:3f3af6cd8a01 295 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
AzureIoTClient 40:3f3af6cd8a01 296
AzureIoTClient 40:3f3af6cd8a01 297 switch (tls_io_instance->tlsio_state)
AzureIoTClient 40:3f3af6cd8a01 298 {
AzureIoTClient 40:3f3af6cd8a01 299 default:
AzureIoTClient 40:3f3af6cd8a01 300 LogError("Unknown TLS IO WolfSSL state: %d", (int)tls_io_instance->tlsio_state);
AzureIoTClient 40:3f3af6cd8a01 301 break;
AzureIoTClient 40:3f3af6cd8a01 302
AzureIoTClient 40:3f3af6cd8a01 303 case TLSIO_STATE_NOT_OPEN:
AzureIoTClient 40:3f3af6cd8a01 304 case TLSIO_STATE_ERROR:
AzureIoTClient 40:3f3af6cd8a01 305 break;
AzureIoTClient 19:2e0811512ceb 306
AzureIoTClient 40:3f3af6cd8a01 307 case TLSIO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 40:3f3af6cd8a01 308 case TLSIO_STATE_IN_HANDSHAKE:
AzureIoTClient 40:3f3af6cd8a01 309 tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
AzureIoTClient 40:3f3af6cd8a01 310 indicate_open_complete(tls_io_instance, IO_OPEN_ERROR);
AzureIoTClient 40:3f3af6cd8a01 311 break;
Azure.IoT Build 0:fa2de1b79154 312
AzureIoTClient 40:3f3af6cd8a01 313 case TLSIO_STATE_OPEN:
AzureIoTClient 40:3f3af6cd8a01 314 tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
AzureIoTClient 40:3f3af6cd8a01 315 indicate_error(tls_io_instance);
AzureIoTClient 40:3f3af6cd8a01 316 break;
AzureIoTClient 40:3f3af6cd8a01 317 }
AzureIoTClient 40:3f3af6cd8a01 318 }
AzureIoTClient 40:3f3af6cd8a01 319 else
AzureIoTClient 40:3f3af6cd8a01 320 {
AzureIoTClient 40:3f3af6cd8a01 321 LogInfo("Supplied context is NULL on io_error");
Azure.IoT Build 0:fa2de1b79154 322 }
Azure.IoT Build 0:fa2de1b79154 323 }
Azure.IoT Build 0:fa2de1b79154 324
Azure.IoT Build 0:fa2de1b79154 325 static void on_underlying_io_close_complete(void* context)
Azure.IoT Build 0:fa2de1b79154 326 {
Azure.IoT Build 0:fa2de1b79154 327 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
Azure.IoT Build 0:fa2de1b79154 328
AzureIoTClient 19:2e0811512ceb 329 if (tls_io_instance->tlsio_state != TLSIO_STATE_CLOSING)
AzureIoTClient 19:2e0811512ceb 330 {
AzureIoTClient 19:2e0811512ceb 331 LogError("on_underlying_io_close_complete called when not in CLOSING state");
AzureIoTClient 19:2e0811512ceb 332 }
AzureIoTClient 19:2e0811512ceb 333 else
Azure.IoT Build 0:fa2de1b79154 334 {
Azure.IoT Build 0:fa2de1b79154 335 if (tls_io_instance->on_io_close_complete != NULL)
Azure.IoT Build 0:fa2de1b79154 336 {
Azure.IoT Build 0:fa2de1b79154 337 tls_io_instance->on_io_close_complete(tls_io_instance->on_io_close_complete_context);
Azure.IoT Build 0:fa2de1b79154 338 }
Azure.IoT Build 6:c55b013dfc2a 339 tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN;
Azure.IoT Build 0:fa2de1b79154 340 }
Azure.IoT Build 0:fa2de1b79154 341 }
Azure.IoT Build 0:fa2de1b79154 342
Azure.IoT Build 0:fa2de1b79154 343 static int on_io_recv(WOLFSSL *ssl, char *buf, int sz, void *context)
Azure.IoT Build 0:fa2de1b79154 344 {
Azure.IoT Build 0:fa2de1b79154 345 int result;
AzureIoTClient 40:3f3af6cd8a01 346 if (context != NULL)
AzureIoTClient 40:3f3af6cd8a01 347 {
AzureIoTClient 40:3f3af6cd8a01 348 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
AzureIoTClient 40:3f3af6cd8a01 349 unsigned char* new_socket_io_read_bytes;
AzureIoTClient 40:3f3af6cd8a01 350
AzureIoTClient 40:3f3af6cd8a01 351 (void)ssl;
AzureIoTClient 40:3f3af6cd8a01 352 while (tls_io_instance->socket_io_read_byte_count == 0)
AzureIoTClient 40:3f3af6cd8a01 353 {
AzureIoTClient 40:3f3af6cd8a01 354 xio_dowork(tls_io_instance->socket_io);
AzureIoTClient 40:3f3af6cd8a01 355 if (tls_io_instance->tlsio_state != TLSIO_STATE_IN_HANDSHAKE)
AzureIoTClient 40:3f3af6cd8a01 356 {
AzureIoTClient 40:3f3af6cd8a01 357 break;
AzureIoTClient 40:3f3af6cd8a01 358 }
AzureIoTClient 40:3f3af6cd8a01 359 }
AzureIoTClient 40:3f3af6cd8a01 360
AzureIoTClient 40:3f3af6cd8a01 361 result = tls_io_instance->socket_io_read_byte_count;
AzureIoTClient 40:3f3af6cd8a01 362 if (result > sz)
AzureIoTClient 40:3f3af6cd8a01 363 {
AzureIoTClient 40:3f3af6cd8a01 364 result = sz;
AzureIoTClient 40:3f3af6cd8a01 365 }
Azure.IoT Build 0:fa2de1b79154 366
AzureIoTClient 40:3f3af6cd8a01 367 if (result > 0)
Azure.IoT Build 0:fa2de1b79154 368 {
AzureIoTClient 40:3f3af6cd8a01 369 (void)memcpy(buf, tls_io_instance->socket_io_read_bytes, result);
AzureIoTClient 40:3f3af6cd8a01 370 (void)memmove(tls_io_instance->socket_io_read_bytes, tls_io_instance->socket_io_read_bytes + result, tls_io_instance->socket_io_read_byte_count - result);
AzureIoTClient 40:3f3af6cd8a01 371 tls_io_instance->socket_io_read_byte_count -= result;
AzureIoTClient 40:3f3af6cd8a01 372 if (tls_io_instance->socket_io_read_byte_count > 0)
AzureIoTClient 40:3f3af6cd8a01 373 {
AzureIoTClient 40:3f3af6cd8a01 374 new_socket_io_read_bytes = (unsigned char*)realloc(tls_io_instance->socket_io_read_bytes, tls_io_instance->socket_io_read_byte_count);
AzureIoTClient 40:3f3af6cd8a01 375 if (new_socket_io_read_bytes != NULL)
AzureIoTClient 40:3f3af6cd8a01 376 {
AzureIoTClient 40:3f3af6cd8a01 377 tls_io_instance->socket_io_read_bytes = new_socket_io_read_bytes;
AzureIoTClient 40:3f3af6cd8a01 378 }
AzureIoTClient 40:3f3af6cd8a01 379 }
AzureIoTClient 40:3f3af6cd8a01 380 else
AzureIoTClient 40:3f3af6cd8a01 381 {
AzureIoTClient 40:3f3af6cd8a01 382 free(tls_io_instance->socket_io_read_bytes);
AzureIoTClient 40:3f3af6cd8a01 383 tls_io_instance->socket_io_read_bytes = NULL;
AzureIoTClient 40:3f3af6cd8a01 384 }
AzureIoTClient 40:3f3af6cd8a01 385 }
AzureIoTClient 40:3f3af6cd8a01 386
AzureIoTClient 40:3f3af6cd8a01 387 if ((result == 0) && (tls_io_instance->tlsio_state == TLSIO_STATE_OPEN))
AzureIoTClient 40:3f3af6cd8a01 388 {
AzureIoTClient 40:3f3af6cd8a01 389 result = WOLFSSL_CBIO_ERR_WANT_READ;
AzureIoTClient 40:3f3af6cd8a01 390 }
AzureIoTClient 40:3f3af6cd8a01 391 else if ((result == 0) && (tls_io_instance->tlsio_state == TLSIO_STATE_CLOSING || tls_io_instance->tlsio_state == TLSIO_STATE_NOT_OPEN))
AzureIoTClient 40:3f3af6cd8a01 392 {
AzureIoTClient 40:3f3af6cd8a01 393 result = WOLFSSL_CBIO_ERR_CONN_CLOSE;
Azure.IoT Build 0:fa2de1b79154 394 }
Azure.IoT Build 0:fa2de1b79154 395 }
AzureIoTClient 40:3f3af6cd8a01 396 else
Azure.IoT Build 0:fa2de1b79154 397 {
AzureIoTClient 40:3f3af6cd8a01 398 result = WOLFSSL_CBIO_ERR_GENERAL;
Azure.IoT Build 0:fa2de1b79154 399 }
Azure.IoT Build 0:fa2de1b79154 400 return result;
Azure.IoT Build 0:fa2de1b79154 401 }
Azure.IoT Build 0:fa2de1b79154 402
Azure.IoT Build 0:fa2de1b79154 403 static int on_io_send(WOLFSSL *ssl, char *buf, int sz, void *context)
Azure.IoT Build 0:fa2de1b79154 404 {
Azure.IoT Build 0:fa2de1b79154 405 int result;
Azure.IoT Build 0:fa2de1b79154 406 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
Azure.IoT Build 0:fa2de1b79154 407
AzureIoTClient 15:956c6d205aa7 408 (void)ssl;
Azure.IoT Build 0:fa2de1b79154 409 if (xio_send(tls_io_instance->socket_io, buf, sz, tls_io_instance->on_send_complete, tls_io_instance->on_send_complete_callback_context) != 0)
Azure.IoT Build 0:fa2de1b79154 410 {
AzureIoTClient 19:2e0811512ceb 411 LogError("Failed sending bytes through underlying IO");
Azure.IoT Build 0:fa2de1b79154 412 tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
Azure.IoT Build 0:fa2de1b79154 413 indicate_error(tls_io_instance);
Azure.IoT Build 0:fa2de1b79154 414 result = 0;
Azure.IoT Build 0:fa2de1b79154 415 }
Azure.IoT Build 0:fa2de1b79154 416 else
Azure.IoT Build 0:fa2de1b79154 417 {
Azure.IoT Build 0:fa2de1b79154 418 result = sz;
Azure.IoT Build 0:fa2de1b79154 419 }
Azure.IoT Build 0:fa2de1b79154 420
Azure.IoT Build 0:fa2de1b79154 421 return result;
Azure.IoT Build 0:fa2de1b79154 422 }
Azure.IoT Build 0:fa2de1b79154 423
Azure.IoT Build 0:fa2de1b79154 424 static int on_handshake_done(WOLFSSL* ssl, void* context)
Azure.IoT Build 0:fa2de1b79154 425 {
Azure.IoT Build 0:fa2de1b79154 426 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
AzureIoTClient 15:956c6d205aa7 427 (void)ssl;
AzureIoTClient 19:2e0811512ceb 428 if (tls_io_instance->tlsio_state != TLSIO_STATE_IN_HANDSHAKE)
AzureIoTClient 19:2e0811512ceb 429 {
AzureIoTClient 19:2e0811512ceb 430 LogInfo("on_handshake_done called when not in IN_HANDSHAKE state");
AzureIoTClient 19:2e0811512ceb 431 }
AzureIoTClient 19:2e0811512ceb 432 else
Azure.IoT Build 0:fa2de1b79154 433 {
Azure.IoT Build 0:fa2de1b79154 434 tls_io_instance->tlsio_state = TLSIO_STATE_OPEN;
Azure.IoT Build 0:fa2de1b79154 435 indicate_open_complete(tls_io_instance, IO_OPEN_OK);
Azure.IoT Build 0:fa2de1b79154 436 }
Azure.IoT Build 0:fa2de1b79154 437
Azure.IoT Build 0:fa2de1b79154 438 return 0;
Azure.IoT Build 0:fa2de1b79154 439 }
Azure.IoT Build 0:fa2de1b79154 440
Azure.IoT Build 6:c55b013dfc2a 441 static int add_certificate_to_store(TLS_IO_INSTANCE* tls_io_instance)
Azure.IoT Build 6:c55b013dfc2a 442 {
Azure.IoT Build 6:c55b013dfc2a 443 int result;
Azure.IoT Build 6:c55b013dfc2a 444 if (tls_io_instance->certificate != NULL)
Azure.IoT Build 6:c55b013dfc2a 445 {
AzureIoTClient 31:6a55d47aea41 446 int res = wolfSSL_CTX_load_verify_buffer(tls_io_instance->ssl_context, (const unsigned char*)tls_io_instance->certificate, strlen(tls_io_instance->certificate), SSL_FILETYPE_PEM);
Azure.IoT Build 6:c55b013dfc2a 447 if (res != SSL_SUCCESS)
Azure.IoT Build 6:c55b013dfc2a 448 {
AzureIoTClient 19:2e0811512ceb 449 LogError("wolfSSL_CTX_load_verify_buffer failed");
AzureIoTClient 21:b92006c5b9ff 450 result = __FAILURE__;
Azure.IoT Build 6:c55b013dfc2a 451 }
Azure.IoT Build 6:c55b013dfc2a 452 else
Azure.IoT Build 6:c55b013dfc2a 453 {
Azure.IoT Build 6:c55b013dfc2a 454 result = 0;
Azure.IoT Build 6:c55b013dfc2a 455 }
Azure.IoT Build 6:c55b013dfc2a 456 }
Azure.IoT Build 6:c55b013dfc2a 457 else
Azure.IoT Build 6:c55b013dfc2a 458 {
Azure.IoT Build 6:c55b013dfc2a 459 result = 0;
Azure.IoT Build 6:c55b013dfc2a 460 }
Azure.IoT Build 6:c55b013dfc2a 461 return result;
Azure.IoT Build 6:c55b013dfc2a 462 }
Azure.IoT Build 6:c55b013dfc2a 463
AzureIoTClient 15:956c6d205aa7 464 static int x509_wolfssl_add_credentials(WOLFSSL* ssl, char* x509certificate, char* x509privatekey) {
AzureIoTClient 15:956c6d205aa7 465
AzureIoTClient 15:956c6d205aa7 466 int result;
AzureIoTClient 15:956c6d205aa7 467
AzureIoTClient 31:6a55d47aea41 468 if (wolfSSL_use_certificate_chain_buffer(ssl, (unsigned char*)x509certificate, strlen(x509certificate)) != SSL_SUCCESS)
AzureIoTClient 15:956c6d205aa7 469 {
AzureIoTClient 15:956c6d205aa7 470 LogError("unable to load x509 client certificate");
AzureIoTClient 21:b92006c5b9ff 471 result = __FAILURE__;
AzureIoTClient 15:956c6d205aa7 472 }
AzureIoTClient 31:6a55d47aea41 473 else if (wolfSSL_use_PrivateKey_buffer(ssl, (unsigned char*)x509privatekey, strlen(x509privatekey), SSL_FILETYPE_PEM) != SSL_SUCCESS)
AzureIoTClient 15:956c6d205aa7 474 {
AzureIoTClient 15:956c6d205aa7 475 LogError("unable to load x509 client private key");
AzureIoTClient 21:b92006c5b9ff 476 result = __FAILURE__;
AzureIoTClient 15:956c6d205aa7 477 }
AzureIoTClient 15:956c6d205aa7 478 #ifdef HAVE_SECURE_RENEGOTIATION
AzureIoTClient 19:2e0811512ceb 479 else if (wolfSSL_UseSecureRenegotiation(ssl) != SSL_SUCCESS)
AzureIoTClient 19:2e0811512ceb 480 {
AzureIoTClient 15:956c6d205aa7 481 LogError("unable to enable secure renegotiation");
AzureIoTClient 21:b92006c5b9ff 482 result = __FAILURE__;
AzureIoTClient 15:956c6d205aa7 483 }
AzureIoTClient 15:956c6d205aa7 484 #endif
AzureIoTClient 15:956c6d205aa7 485 else
AzureIoTClient 15:956c6d205aa7 486 {
AzureIoTClient 15:956c6d205aa7 487 result = 0;
AzureIoTClient 15:956c6d205aa7 488 }
AzureIoTClient 15:956c6d205aa7 489 return result;
AzureIoTClient 15:956c6d205aa7 490 }
AzureIoTClient 15:956c6d205aa7 491
AzureIoTClient 15:956c6d205aa7 492 static void destroy_wolfssl_instance(TLS_IO_INSTANCE* tls_io_instance)
AzureIoTClient 15:956c6d205aa7 493 {
AzureIoTClient 15:956c6d205aa7 494 wolfSSL_free(tls_io_instance->ssl);
AzureIoTClient 39:05674f3c9d9d 495 tls_io_instance->ssl = NULL;
AzureIoTClient 15:956c6d205aa7 496 }
AzureIoTClient 15:956c6d205aa7 497
Azure.IoT Build 6:c55b013dfc2a 498 static int create_wolfssl_instance(TLS_IO_INSTANCE* tls_io_instance)
Azure.IoT Build 6:c55b013dfc2a 499 {
Azure.IoT Build 6:c55b013dfc2a 500 int result;
Azure.IoT Build 6:c55b013dfc2a 501
AzureIoTClient 40:3f3af6cd8a01 502 tls_io_instance->ssl = wolfSSL_new(tls_io_instance->ssl_context);
AzureIoTClient 40:3f3af6cd8a01 503 if (tls_io_instance->ssl == NULL)
Azure.IoT Build 6:c55b013dfc2a 504 {
AzureIoTClient 19:2e0811512ceb 505 LogError("Failed to add certificates to store");
AzureIoTClient 21:b92006c5b9ff 506 result = __FAILURE__;
Azure.IoT Build 6:c55b013dfc2a 507 }
Azure.IoT Build 6:c55b013dfc2a 508 else
Azure.IoT Build 6:c55b013dfc2a 509 {
AzureIoTClient 40:3f3af6cd8a01 510 tls_io_instance->socket_io_read_bytes = NULL;
AzureIoTClient 40:3f3af6cd8a01 511 tls_io_instance->socket_io_read_byte_count = 0;
AzureIoTClient 40:3f3af6cd8a01 512 tls_io_instance->on_send_complete = NULL;
AzureIoTClient 40:3f3af6cd8a01 513 tls_io_instance->on_send_complete_callback_context = NULL;
AzureIoTClient 40:3f3af6cd8a01 514
AzureIoTClient 40:3f3af6cd8a01 515 wolfSSL_set_using_nonblock(tls_io_instance->ssl, 1);
AzureIoTClient 40:3f3af6cd8a01 516 wolfSSL_SetIOSend(tls_io_instance->ssl_context, on_io_send);
AzureIoTClient 40:3f3af6cd8a01 517 wolfSSL_SetIORecv(tls_io_instance->ssl_context, on_io_recv);
AzureIoTClient 40:3f3af6cd8a01 518 wolfSSL_SetHsDoneCb(tls_io_instance->ssl, on_handshake_done, tls_io_instance);
AzureIoTClient 40:3f3af6cd8a01 519 wolfSSL_SetIOWriteCtx(tls_io_instance->ssl, tls_io_instance);
AzureIoTClient 40:3f3af6cd8a01 520 wolfSSL_SetIOReadCtx(tls_io_instance->ssl, tls_io_instance);
AzureIoTClient 40:3f3af6cd8a01 521
AzureIoTClient 40:3f3af6cd8a01 522 tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN;
AzureIoTClient 40:3f3af6cd8a01 523 result = 0;
AzureIoTClient 40:3f3af6cd8a01 524 }
AzureIoTClient 40:3f3af6cd8a01 525 return result;
AzureIoTClient 40:3f3af6cd8a01 526 }
Azure.IoT Build 6:c55b013dfc2a 527
AzureIoTClient 40:3f3af6cd8a01 528 static int prepare_wolfssl_open(TLS_IO_INSTANCE* tls_io_instance)
AzureIoTClient 40:3f3af6cd8a01 529 {
AzureIoTClient 40:3f3af6cd8a01 530 int result;
AzureIoTClient 40:3f3af6cd8a01 531 if (add_certificate_to_store(tls_io_instance) != 0)
AzureIoTClient 40:3f3af6cd8a01 532 {
AzureIoTClient 40:3f3af6cd8a01 533 LogError("Failed to add certificates to store");
AzureIoTClient 40:3f3af6cd8a01 534 result = __FAILURE__;
Azure.IoT Build 6:c55b013dfc2a 535 }
AzureIoTClient 40:3f3af6cd8a01 536 /*x509 authentication can only be build before underlying connection is realized*/
AzureIoTClient 40:3f3af6cd8a01 537 else if ((tls_io_instance->x509certificate != NULL) &&
AzureIoTClient 40:3f3af6cd8a01 538 (tls_io_instance->x509privatekey != NULL) &&
AzureIoTClient 40:3f3af6cd8a01 539 (x509_wolfssl_add_credentials(tls_io_instance->ssl, tls_io_instance->x509certificate, tls_io_instance->x509privatekey) != 0))
AzureIoTClient 40:3f3af6cd8a01 540 {
AzureIoTClient 40:3f3af6cd8a01 541 destroy_wolfssl_instance(tls_io_instance);
AzureIoTClient 40:3f3af6cd8a01 542 LogError("unable to use x509 authentication");
AzureIoTClient 40:3f3af6cd8a01 543 result = __FAILURE__;
AzureIoTClient 40:3f3af6cd8a01 544 }
AzureIoTClient 40:3f3af6cd8a01 545 else
AzureIoTClient 40:3f3af6cd8a01 546 {
AzureIoTClient 40:3f3af6cd8a01 547 result = 0;
AzureIoTClient 40:3f3af6cd8a01 548 }
Azure.IoT Build 6:c55b013dfc2a 549 return result;
Azure.IoT Build 6:c55b013dfc2a 550 }
Azure.IoT Build 6:c55b013dfc2a 551
Azure.IoT Build 0:fa2de1b79154 552 int tlsio_wolfssl_init(void)
Azure.IoT Build 0:fa2de1b79154 553 {
Azure.IoT Build 0:fa2de1b79154 554 (void)wolfSSL_library_init();
Azure.IoT Build 0:fa2de1b79154 555 wolfSSL_load_error_strings();
Azure.IoT Build 0:fa2de1b79154 556
Azure.IoT Build 0:fa2de1b79154 557 return 0;
Azure.IoT Build 0:fa2de1b79154 558 }
Azure.IoT Build 0:fa2de1b79154 559
Azure.IoT Build 0:fa2de1b79154 560 void tlsio_wolfssl_deinit(void)
Azure.IoT Build 0:fa2de1b79154 561 {
Azure.IoT Build 0:fa2de1b79154 562 }
AzureIoTClient 31:6a55d47aea41 563
Azure.IoT Build 6:c55b013dfc2a 564 CONCRETE_IO_HANDLE tlsio_wolfssl_create(void* io_create_parameters)
Azure.IoT Build 0:fa2de1b79154 565 {
Azure.IoT Build 0:fa2de1b79154 566 TLS_IO_INSTANCE* result;
Azure.IoT Build 0:fa2de1b79154 567
AzureIoTClient 19:2e0811512ceb 568 if (io_create_parameters == NULL)
Azure.IoT Build 0:fa2de1b79154 569 {
AzureIoTClient 19:2e0811512ceb 570 LogError("NULL io_create_parameters");
Azure.IoT Build 0:fa2de1b79154 571 result = NULL;
Azure.IoT Build 0:fa2de1b79154 572 }
Azure.IoT Build 0:fa2de1b79154 573 else
Azure.IoT Build 0:fa2de1b79154 574 {
AzureIoTClient 19:2e0811512ceb 575 TLSIO_CONFIG* tls_io_config = io_create_parameters;
AzureIoTClient 19:2e0811512ceb 576
Azure.IoT Build 6:c55b013dfc2a 577 result = (TLS_IO_INSTANCE*)malloc(sizeof(TLS_IO_INSTANCE));
AzureIoTClient 22:10640b226104 578 if (result == NULL)
AzureIoTClient 22:10640b226104 579 {
AzureIoTClient 22:10640b226104 580 LogError("Failed allocating memory for the TLS IO instance.");
AzureIoTClient 22:10640b226104 581 }
AzureIoTClient 22:10640b226104 582 else
Azure.IoT Build 0:fa2de1b79154 583 {
AzureIoTClient 22:10640b226104 584 (void)memset(result, 0, sizeof(TLS_IO_INSTANCE));
AzureIoTClient 22:10640b226104 585 result->tlsio_state = TLSIO_STATE_NOT_OPEN;
AzureIoTClient 22:10640b226104 586
AzureIoTClient 22:10640b226104 587 result->ssl_context = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
AzureIoTClient 22:10640b226104 588 if (result->ssl_context == NULL)
Azure.IoT Build 0:fa2de1b79154 589 {
AzureIoTClient 22:10640b226104 590 LogError("Cannot create the wolfSSL context");
Azure.IoT Build 0:fa2de1b79154 591 free(result);
Azure.IoT Build 0:fa2de1b79154 592 result = NULL;
Azure.IoT Build 0:fa2de1b79154 593 }
Azure.IoT Build 0:fa2de1b79154 594 else
Azure.IoT Build 0:fa2de1b79154 595 {
AzureIoTClient 22:10640b226104 596 const IO_INTERFACE_DESCRIPTION* underlying_io_interface;
AzureIoTClient 22:10640b226104 597 void* io_interface_parameters;
AzureIoTClient 19:2e0811512ceb 598
AzureIoTClient 22:10640b226104 599 if (tls_io_config->underlying_io_interface != NULL)
AzureIoTClient 22:10640b226104 600 {
AzureIoTClient 22:10640b226104 601 underlying_io_interface = tls_io_config->underlying_io_interface;
AzureIoTClient 22:10640b226104 602 io_interface_parameters = tls_io_config->underlying_io_parameters;
AzureIoTClient 22:10640b226104 603 }
AzureIoTClient 22:10640b226104 604 else
AzureIoTClient 22:10640b226104 605 {
AzureIoTClient 22:10640b226104 606 SOCKETIO_CONFIG socketio_config;
AzureIoTClient 19:2e0811512ceb 607
AzureIoTClient 22:10640b226104 608 socketio_config.hostname = tls_io_config->hostname;
AzureIoTClient 22:10640b226104 609 socketio_config.port = tls_io_config->port;
AzureIoTClient 22:10640b226104 610 socketio_config.accepted_socket = NULL;
AzureIoTClient 19:2e0811512ceb 611
AzureIoTClient 22:10640b226104 612 underlying_io_interface = socketio_get_interface_description();
AzureIoTClient 22:10640b226104 613 io_interface_parameters = &socketio_config;
AzureIoTClient 22:10640b226104 614 }
AzureIoTClient 19:2e0811512ceb 615
AzureIoTClient 22:10640b226104 616 if (underlying_io_interface == NULL)
Azure.IoT Build 0:fa2de1b79154 617 {
AzureIoTClient 22:10640b226104 618 LogError("Failed getting socket IO interface description.");
AzureIoTClient 22:10640b226104 619 wolfSSL_CTX_free(result->ssl_context);
Azure.IoT Build 0:fa2de1b79154 620 free(result);
Azure.IoT Build 0:fa2de1b79154 621 result = NULL;
Azure.IoT Build 0:fa2de1b79154 622 }
Azure.IoT Build 0:fa2de1b79154 623 else
Azure.IoT Build 0:fa2de1b79154 624 {
AzureIoTClient 22:10640b226104 625 result->socket_io = xio_create(underlying_io_interface, io_interface_parameters);
AzureIoTClient 22:10640b226104 626 if (result->socket_io == NULL)
Azure.IoT Build 0:fa2de1b79154 627 {
AzureIoTClient 22:10640b226104 628 LogError("Failure connecting to underlying socket_io");
Azure.IoT Build 0:fa2de1b79154 629 wolfSSL_CTX_free(result->ssl_context);
Azure.IoT Build 0:fa2de1b79154 630 free(result);
Azure.IoT Build 0:fa2de1b79154 631 result = NULL;
Azure.IoT Build 0:fa2de1b79154 632 }
AzureIoTClient 40:3f3af6cd8a01 633 else if (create_wolfssl_instance(result) != 0)
AzureIoTClient 40:3f3af6cd8a01 634 {
AzureIoTClient 40:3f3af6cd8a01 635 LogError("Failure connecting to underlying socket_io");
AzureIoTClient 40:3f3af6cd8a01 636 wolfSSL_CTX_free(result->ssl_context);
AzureIoTClient 40:3f3af6cd8a01 637 free(result);
AzureIoTClient 40:3f3af6cd8a01 638 result = NULL;
AzureIoTClient 40:3f3af6cd8a01 639 }
Azure.IoT Build 0:fa2de1b79154 640 }
Azure.IoT Build 0:fa2de1b79154 641 }
Azure.IoT Build 0:fa2de1b79154 642 }
Azure.IoT Build 0:fa2de1b79154 643 }
Azure.IoT Build 0:fa2de1b79154 644
Azure.IoT Build 0:fa2de1b79154 645 return result;
Azure.IoT Build 0:fa2de1b79154 646 }
Azure.IoT Build 0:fa2de1b79154 647
Azure.IoT Build 0:fa2de1b79154 648 void tlsio_wolfssl_destroy(CONCRETE_IO_HANDLE tls_io)
Azure.IoT Build 0:fa2de1b79154 649 {
Azure.IoT Build 0:fa2de1b79154 650 if (tls_io != NULL)
Azure.IoT Build 0:fa2de1b79154 651 {
Azure.IoT Build 0:fa2de1b79154 652 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
Azure.IoT Build 0:fa2de1b79154 653 if (tls_io_instance->socket_io_read_bytes != NULL)
Azure.IoT Build 0:fa2de1b79154 654 {
Azure.IoT Build 0:fa2de1b79154 655 free(tls_io_instance->socket_io_read_bytes);
AzureIoTClient 39:05674f3c9d9d 656 tls_io_instance->socket_io_read_bytes = NULL;
Azure.IoT Build 0:fa2de1b79154 657 }
Azure.IoT Build 6:c55b013dfc2a 658 if (tls_io_instance->certificate != NULL)
Azure.IoT Build 6:c55b013dfc2a 659 {
Azure.IoT Build 6:c55b013dfc2a 660 free(tls_io_instance->certificate);
AzureIoTClient 39:05674f3c9d9d 661 tls_io_instance->certificate = NULL;
Azure.IoT Build 6:c55b013dfc2a 662 }
AzureIoTClient 15:956c6d205aa7 663 if (tls_io_instance->x509certificate != NULL)
AzureIoTClient 15:956c6d205aa7 664 {
AzureIoTClient 15:956c6d205aa7 665 free(tls_io_instance->x509certificate);
AzureIoTClient 39:05674f3c9d9d 666 tls_io_instance->x509certificate = NULL;
AzureIoTClient 15:956c6d205aa7 667 }
AzureIoTClient 15:956c6d205aa7 668 if (tls_io_instance->x509privatekey != NULL)
AzureIoTClient 15:956c6d205aa7 669 {
AzureIoTClient 15:956c6d205aa7 670 free(tls_io_instance->x509privatekey);
AzureIoTClient 39:05674f3c9d9d 671 tls_io_instance->x509privatekey = NULL;
AzureIoTClient 15:956c6d205aa7 672 }
AzureIoTClient 40:3f3af6cd8a01 673 destroy_wolfssl_instance(tls_io_instance);
AzureIoTClient 19:2e0811512ceb 674
Azure.IoT Build 6:c55b013dfc2a 675 wolfSSL_CTX_free(tls_io_instance->ssl_context);
AzureIoTClient 39:05674f3c9d9d 676 tls_io_instance->ssl_context = NULL;
AzureIoTClient 39:05674f3c9d9d 677
Azure.IoT Build 0:fa2de1b79154 678 xio_destroy(tls_io_instance->socket_io);
Azure.IoT Build 0:fa2de1b79154 679 free(tls_io);
Azure.IoT Build 0:fa2de1b79154 680 }
Azure.IoT Build 0:fa2de1b79154 681 }
Azure.IoT Build 0:fa2de1b79154 682
Azure.IoT Build 0:fa2de1b79154 683 int tlsio_wolfssl_open(CONCRETE_IO_HANDLE tls_io, ON_IO_OPEN_COMPLETE on_io_open_complete, void* on_io_open_complete_context, ON_BYTES_RECEIVED on_bytes_received, void* on_bytes_received_context, ON_IO_ERROR on_io_error, void* on_io_error_context)
Azure.IoT Build 0:fa2de1b79154 684 {
Azure.IoT Build 0:fa2de1b79154 685 int result;
Azure.IoT Build 0:fa2de1b79154 686
Azure.IoT Build 0:fa2de1b79154 687 if (tls_io == NULL)
Azure.IoT Build 0:fa2de1b79154 688 {
AzureIoTClient 19:2e0811512ceb 689 LogError("NULL tls_io instance");
AzureIoTClient 21:b92006c5b9ff 690 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 691 }
Azure.IoT Build 0:fa2de1b79154 692 else
Azure.IoT Build 0:fa2de1b79154 693 {
Azure.IoT Build 0:fa2de1b79154 694 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
Azure.IoT Build 0:fa2de1b79154 695
Azure.IoT Build 0:fa2de1b79154 696 if (tls_io_instance->tlsio_state != TLSIO_STATE_NOT_OPEN)
Azure.IoT Build 0:fa2de1b79154 697 {
Azure.IoT Build 6:c55b013dfc2a 698 LogError("Invalid state encountered.");
AzureIoTClient 21:b92006c5b9ff 699 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 700 }
Azure.IoT Build 0:fa2de1b79154 701 else
Azure.IoT Build 0:fa2de1b79154 702 {
Azure.IoT Build 0:fa2de1b79154 703 tls_io_instance->on_bytes_received = on_bytes_received;
Azure.IoT Build 0:fa2de1b79154 704 tls_io_instance->on_bytes_received_context = on_bytes_received_context;
Azure.IoT Build 0:fa2de1b79154 705
Azure.IoT Build 0:fa2de1b79154 706 tls_io_instance->on_io_open_complete = on_io_open_complete;
Azure.IoT Build 0:fa2de1b79154 707 tls_io_instance->on_io_open_complete_context = on_io_open_complete_context;
Azure.IoT Build 0:fa2de1b79154 708
Azure.IoT Build 0:fa2de1b79154 709 tls_io_instance->on_io_error = on_io_error;
Azure.IoT Build 0:fa2de1b79154 710 tls_io_instance->on_io_error_context = on_io_error_context;
Azure.IoT Build 0:fa2de1b79154 711
Azure.IoT Build 0:fa2de1b79154 712 tls_io_instance->tlsio_state = TLSIO_STATE_OPENING_UNDERLYING_IO;
Azure.IoT Build 0:fa2de1b79154 713
AzureIoTClient 40:3f3af6cd8a01 714 if (prepare_wolfssl_open(tls_io_instance) != 0)
Azure.IoT Build 6:c55b013dfc2a 715 {
AzureIoTClient 19:2e0811512ceb 716 LogError("Cannot create wolfssl instance.");
Azure.IoT Build 6:c55b013dfc2a 717 tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN;
AzureIoTClient 21:b92006c5b9ff 718 result = __FAILURE__;
Azure.IoT Build 6:c55b013dfc2a 719 }
Azure.IoT Build 6:c55b013dfc2a 720 else if (xio_open(tls_io_instance->socket_io, on_underlying_io_open_complete, tls_io_instance, on_underlying_io_bytes_received, tls_io_instance, on_underlying_io_error, tls_io_instance) != 0)
Azure.IoT Build 0:fa2de1b79154 721 {
AzureIoTClient 19:2e0811512ceb 722 LogError("Cannot open the underlying IO.");
Azure.IoT Build 0:fa2de1b79154 723 tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN;
AzureIoTClient 21:b92006c5b9ff 724 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 725 }
Azure.IoT Build 0:fa2de1b79154 726 else
Azure.IoT Build 0:fa2de1b79154 727 {
Azure.IoT Build 6:c55b013dfc2a 728 // The state can get changed in the on_underlying_io_open_complete
AzureIoTClient 15:956c6d205aa7 729 if (tls_io_instance->tlsio_state != TLSIO_STATE_OPEN)
Azure.IoT Build 0:fa2de1b79154 730 {
Azure.IoT Build 6:c55b013dfc2a 731 LogError("Failed to connect to server. The certificates may not be correct.");
AzureIoTClient 21:b92006c5b9ff 732 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 733 }
Azure.IoT Build 0:fa2de1b79154 734 else
Azure.IoT Build 0:fa2de1b79154 735 {
AzureIoTClient 15:956c6d205aa7 736 result = 0;
Azure.IoT Build 0:fa2de1b79154 737 }
Azure.IoT Build 0:fa2de1b79154 738 }
Azure.IoT Build 0:fa2de1b79154 739 }
Azure.IoT Build 0:fa2de1b79154 740 }
Azure.IoT Build 0:fa2de1b79154 741
Azure.IoT Build 0:fa2de1b79154 742 return result;
Azure.IoT Build 0:fa2de1b79154 743 }
Azure.IoT Build 0:fa2de1b79154 744
Azure.IoT Build 0:fa2de1b79154 745 int tlsio_wolfssl_close(CONCRETE_IO_HANDLE tls_io, ON_IO_CLOSE_COMPLETE on_io_close_complete, void* callback_context)
Azure.IoT Build 0:fa2de1b79154 746 {
Azure.IoT Build 0:fa2de1b79154 747 int result = 0;
Azure.IoT Build 0:fa2de1b79154 748
Azure.IoT Build 0:fa2de1b79154 749 if (tls_io == NULL)
Azure.IoT Build 0:fa2de1b79154 750 {
AzureIoTClient 19:2e0811512ceb 751 LogError("NULL tls_io handle.");
AzureIoTClient 21:b92006c5b9ff 752 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 753 }
Azure.IoT Build 0:fa2de1b79154 754 else
Azure.IoT Build 0:fa2de1b79154 755 {
Azure.IoT Build 0:fa2de1b79154 756 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
Azure.IoT Build 0:fa2de1b79154 757
Azure.IoT Build 0:fa2de1b79154 758 if ((tls_io_instance->tlsio_state == TLSIO_STATE_NOT_OPEN) ||
Azure.IoT Build 0:fa2de1b79154 759 (tls_io_instance->tlsio_state == TLSIO_STATE_CLOSING))
Azure.IoT Build 0:fa2de1b79154 760 {
AzureIoTClient 19:2e0811512ceb 761 LogError("Close called while not open.");
AzureIoTClient 21:b92006c5b9ff 762 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 763 }
Azure.IoT Build 0:fa2de1b79154 764 else
Azure.IoT Build 0:fa2de1b79154 765 {
Azure.IoT Build 0:fa2de1b79154 766 tls_io_instance->tlsio_state = TLSIO_STATE_CLOSING;
Azure.IoT Build 0:fa2de1b79154 767 tls_io_instance->on_io_close_complete = on_io_close_complete;
Azure.IoT Build 0:fa2de1b79154 768 tls_io_instance->on_io_close_complete_context = callback_context;
Azure.IoT Build 0:fa2de1b79154 769
Azure.IoT Build 0:fa2de1b79154 770 if (xio_close(tls_io_instance->socket_io, on_underlying_io_close_complete, tls_io_instance) != 0)
Azure.IoT Build 0:fa2de1b79154 771 {
AzureIoTClient 19:2e0811512ceb 772 LogError("xio_close failed.");
AzureIoTClient 21:b92006c5b9ff 773 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 774 }
Azure.IoT Build 0:fa2de1b79154 775 else
Azure.IoT Build 0:fa2de1b79154 776 {
Azure.IoT Build 0:fa2de1b79154 777 result = 0;
Azure.IoT Build 0:fa2de1b79154 778 }
Azure.IoT Build 0:fa2de1b79154 779 }
Azure.IoT Build 0:fa2de1b79154 780 }
Azure.IoT Build 0:fa2de1b79154 781
Azure.IoT Build 0:fa2de1b79154 782 return result;
Azure.IoT Build 0:fa2de1b79154 783 }
Azure.IoT Build 0:fa2de1b79154 784
Azure.IoT Build 0:fa2de1b79154 785 int tlsio_wolfssl_send(CONCRETE_IO_HANDLE tls_io, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:fa2de1b79154 786 {
Azure.IoT Build 0:fa2de1b79154 787 int result;
Azure.IoT Build 0:fa2de1b79154 788
AzureIoTClient 39:05674f3c9d9d 789 if (tls_io == NULL || buffer == NULL || size == 0)
Azure.IoT Build 0:fa2de1b79154 790 {
AzureIoTClient 39:05674f3c9d9d 791 LogError("Invalid parameter specified tls_io: %p, buffer: %p, size: %d", tls_io, buffer, size);
AzureIoTClient 21:b92006c5b9ff 792 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 793 }
Azure.IoT Build 0:fa2de1b79154 794 else
Azure.IoT Build 0:fa2de1b79154 795 {
Azure.IoT Build 0:fa2de1b79154 796 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
Azure.IoT Build 0:fa2de1b79154 797
Azure.IoT Build 0:fa2de1b79154 798 if (tls_io_instance->tlsio_state != TLSIO_STATE_OPEN)
Azure.IoT Build 0:fa2de1b79154 799 {
AzureIoTClient 19:2e0811512ceb 800 LogError("send called while not open");
AzureIoTClient 21:b92006c5b9ff 801 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 802 }
Azure.IoT Build 0:fa2de1b79154 803 else
Azure.IoT Build 0:fa2de1b79154 804 {
Azure.IoT Build 0:fa2de1b79154 805 tls_io_instance->on_send_complete = on_send_complete;
Azure.IoT Build 0:fa2de1b79154 806 tls_io_instance->on_send_complete_callback_context = callback_context;
Azure.IoT Build 0:fa2de1b79154 807
Azure.IoT Build 0:fa2de1b79154 808 int res = wolfSSL_write(tls_io_instance->ssl, buffer, size);
AzureIoTClient 15:956c6d205aa7 809 if ((res < 0) || ((size_t)res != size)) // Best way I can think of to safely compare an int to a size_t
Azure.IoT Build 0:fa2de1b79154 810 {
AzureIoTClient 19:2e0811512ceb 811 LogError("Error writing data through WolfSSL");
AzureIoTClient 21:b92006c5b9ff 812 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 813 }
Azure.IoT Build 0:fa2de1b79154 814 else
Azure.IoT Build 0:fa2de1b79154 815 {
Azure.IoT Build 0:fa2de1b79154 816 result = 0;
Azure.IoT Build 0:fa2de1b79154 817 }
Azure.IoT Build 0:fa2de1b79154 818 }
Azure.IoT Build 0:fa2de1b79154 819 }
Azure.IoT Build 0:fa2de1b79154 820
Azure.IoT Build 0:fa2de1b79154 821 return result;
Azure.IoT Build 0:fa2de1b79154 822 }
Azure.IoT Build 0:fa2de1b79154 823
Azure.IoT Build 0:fa2de1b79154 824 void tlsio_wolfssl_dowork(CONCRETE_IO_HANDLE tls_io)
Azure.IoT Build 0:fa2de1b79154 825 {
AzureIoTClient 19:2e0811512ceb 826 if (tls_io == NULL)
AzureIoTClient 19:2e0811512ceb 827 {
AzureIoTClient 19:2e0811512ceb 828 LogError("NULL tls_io");
AzureIoTClient 19:2e0811512ceb 829 }
AzureIoTClient 19:2e0811512ceb 830 else
Azure.IoT Build 0:fa2de1b79154 831 {
Azure.IoT Build 0:fa2de1b79154 832 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
Azure.IoT Build 0:fa2de1b79154 833
Azure.IoT Build 0:fa2de1b79154 834 if ((tls_io_instance->tlsio_state != TLSIO_STATE_NOT_OPEN) &&
Azure.IoT Build 0:fa2de1b79154 835 (tls_io_instance->tlsio_state != TLSIO_STATE_ERROR))
Azure.IoT Build 0:fa2de1b79154 836 {
Azure.IoT Build 0:fa2de1b79154 837 decode_ssl_received_bytes(tls_io_instance);
Azure.IoT Build 0:fa2de1b79154 838 xio_dowork(tls_io_instance->socket_io);
Azure.IoT Build 0:fa2de1b79154 839 }
Azure.IoT Build 0:fa2de1b79154 840 }
Azure.IoT Build 0:fa2de1b79154 841 }
Azure.IoT Build 0:fa2de1b79154 842
Azure.IoT Build 0:fa2de1b79154 843 const IO_INTERFACE_DESCRIPTION* tlsio_wolfssl_get_interface_description(void)
Azure.IoT Build 0:fa2de1b79154 844 {
Azure.IoT Build 0:fa2de1b79154 845 return &tlsio_wolfssl_interface_description;
Azure.IoT Build 0:fa2de1b79154 846 }
Azure.IoT Build 0:fa2de1b79154 847
AzureIoTClient 15:956c6d205aa7 848 static int process_option(char** destination, const char* name, const char* value)
AzureIoTClient 15:956c6d205aa7 849 {
AzureIoTClient 15:956c6d205aa7 850 int result;
AzureIoTClient 15:956c6d205aa7 851 if (*destination != NULL)
AzureIoTClient 15:956c6d205aa7 852 {
AzureIoTClient 15:956c6d205aa7 853 free(*destination);
AzureIoTClient 15:956c6d205aa7 854 *destination = NULL;
AzureIoTClient 15:956c6d205aa7 855 }
AzureIoTClient 15:956c6d205aa7 856 if (mallocAndStrcpy_s(destination, value) != 0)
AzureIoTClient 15:956c6d205aa7 857 {
AzureIoTClient 15:956c6d205aa7 858 LogError("unable to process option %s",name);
AzureIoTClient 21:b92006c5b9ff 859 result = __FAILURE__;
AzureIoTClient 15:956c6d205aa7 860 }
AzureIoTClient 15:956c6d205aa7 861 else
AzureIoTClient 15:956c6d205aa7 862 {
AzureIoTClient 15:956c6d205aa7 863 result = 0;
AzureIoTClient 15:956c6d205aa7 864 }
AzureIoTClient 15:956c6d205aa7 865 return result;
AzureIoTClient 19:2e0811512ceb 866 }
AzureIoTClient 15:956c6d205aa7 867
Azure.IoT Build 0:fa2de1b79154 868 int tlsio_wolfssl_setoption(CONCRETE_IO_HANDLE tls_io, const char* optionName, const void* value)
Azure.IoT Build 0:fa2de1b79154 869 {
Azure.IoT Build 0:fa2de1b79154 870 int result;
Azure.IoT Build 0:fa2de1b79154 871
Azure.IoT Build 0:fa2de1b79154 872 if (tls_io == NULL || optionName == NULL)
Azure.IoT Build 0:fa2de1b79154 873 {
AzureIoTClient 19:2e0811512ceb 874 LogError("Bad arguments, tls_io = %p, optionName = %p", tls_io, optionName);
AzureIoTClient 21:b92006c5b9ff 875 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 876 }
Azure.IoT Build 0:fa2de1b79154 877 else
Azure.IoT Build 0:fa2de1b79154 878 {
Azure.IoT Build 0:fa2de1b79154 879 TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
Azure.IoT Build 0:fa2de1b79154 880
AzureIoTClient 38:ed9c888e5e12 881 if (strcmp(OPTION_TRUSTED_CERT, optionName) == 0)
Azure.IoT Build 0:fa2de1b79154 882 {
AzureIoTClient 15:956c6d205aa7 883 result = process_option(&tls_io_instance->certificate, optionName, value);
AzureIoTClient 15:956c6d205aa7 884 }
AzureIoTClient 38:ed9c888e5e12 885 else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0 || strcmp(OPTION_X509_ECC_CERT, optionName) == 0)
AzureIoTClient 15:956c6d205aa7 886 {
AzureIoTClient 15:956c6d205aa7 887 result = process_option(&tls_io_instance->x509certificate, optionName, value);
AzureIoTClient 15:956c6d205aa7 888 }
AzureIoTClient 39:05674f3c9d9d 889 else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0 || strcmp(OPTION_X509_ECC_KEY, optionName) == 0)
AzureIoTClient 15:956c6d205aa7 890 {
AzureIoTClient 15:956c6d205aa7 891 result = process_option(&tls_io_instance->x509privatekey, optionName, value);
AzureIoTClient 15:956c6d205aa7 892 }
AzureIoTClient 15:956c6d205aa7 893 else
AzureIoTClient 15:956c6d205aa7 894 {
AzureIoTClient 15:956c6d205aa7 895 if (tls_io_instance->socket_io == NULL)
Azure.IoT Build 0:fa2de1b79154 896 {
AzureIoTClient 19:2e0811512ceb 897 LogError("NULL underlying IO handle");
AzureIoTClient 21:b92006c5b9ff 898 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 899 }
Azure.IoT Build 0:fa2de1b79154 900 else
Azure.IoT Build 0:fa2de1b79154 901 {
AzureIoTClient 15:956c6d205aa7 902 result = xio_setoption(tls_io_instance->socket_io, optionName, value);
Azure.IoT Build 0:fa2de1b79154 903 }
Azure.IoT Build 0:fa2de1b79154 904 }
Azure.IoT Build 0:fa2de1b79154 905 }
Azure.IoT Build 0:fa2de1b79154 906
Azure.IoT Build 0:fa2de1b79154 907 return result;
AzureIoTClient 10:1be0bc9a9deb 908 }