Azure IoT common library
Dependents: STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more
tlsio_wolfssl.c@6:c55b013dfc2a, 2016-07-01 (annotated)
- Committer:
- Azure.IoT Build
- Date:
- Fri Jul 01 10:43:23 2016 -0700
- Revision:
- 6:c55b013dfc2a
- Parent:
- 1:9190c0f4d23a
- Child:
- 10:1be0bc9a9deb
1.0.10
Who changed what in which revision?
User | Revision | Line number | New 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> |
Azure.IoT Build | 0:fa2de1b79154 | 5 | #ifdef _CRTDBG_MAP_ALLOC |
Azure.IoT Build | 0:fa2de1b79154 | 6 | #include <crtdbg.h> |
Azure.IoT Build | 0:fa2de1b79154 | 7 | #endif |
Azure.IoT Build | 0:fa2de1b79154 | 8 | |
Azure.IoT Build | 0:fa2de1b79154 | 9 | #include "wolfssl/ssl.h" |
Azure.IoT Build | 0:fa2de1b79154 | 10 | #include "wolfssl/error-ssl.h" |
Azure.IoT Build | 0:fa2de1b79154 | 11 | #include <stdio.h> |
Azure.IoT Build | 0:fa2de1b79154 | 12 | #include <stdbool.h> |
Azure.IoT Build | 0:fa2de1b79154 | 13 | #include <string.h> |
Azure.IoT Build | 0:fa2de1b79154 | 14 | #include "azure_c_shared_utility/tlsio.h" |
Azure.IoT Build | 0:fa2de1b79154 | 15 | #include "azure_c_shared_utility/tlsio_wolfssl.h" |
Azure.IoT Build | 0:fa2de1b79154 | 16 | #include "azure_c_shared_utility/socketio.h" |
Azure.IoT Build | 6:c55b013dfc2a | 17 | #include "azure_c_shared_utility/crt_abstractions.h" |
Azure.IoT Build | 6:c55b013dfc2a | 18 | #include "azure_c_shared_utility/xlogging.h" |
Azure.IoT Build | 0:fa2de1b79154 | 19 | |
Azure.IoT Build | 0:fa2de1b79154 | 20 | typedef enum TLSIO_STATE_ENUM_TAG |
Azure.IoT Build | 0:fa2de1b79154 | 21 | { |
Azure.IoT Build | 0:fa2de1b79154 | 22 | TLSIO_STATE_NOT_OPEN, |
Azure.IoT Build | 0:fa2de1b79154 | 23 | TLSIO_STATE_OPENING_UNDERLYING_IO, |
Azure.IoT Build | 0:fa2de1b79154 | 24 | TLSIO_STATE_IN_HANDSHAKE, |
Azure.IoT Build | 0:fa2de1b79154 | 25 | TLSIO_STATE_OPEN, |
Azure.IoT Build | 0:fa2de1b79154 | 26 | TLSIO_STATE_CLOSING, |
Azure.IoT Build | 0:fa2de1b79154 | 27 | TLSIO_STATE_ERROR |
Azure.IoT Build | 0:fa2de1b79154 | 28 | } TLSIO_STATE_ENUM; |
Azure.IoT Build | 0:fa2de1b79154 | 29 | |
Azure.IoT Build | 0:fa2de1b79154 | 30 | typedef struct TLS_IO_INSTANCE_TAG |
Azure.IoT Build | 0:fa2de1b79154 | 31 | { |
Azure.IoT Build | 0:fa2de1b79154 | 32 | XIO_HANDLE socket_io; |
Azure.IoT Build | 0:fa2de1b79154 | 33 | ON_BYTES_RECEIVED on_bytes_received; |
Azure.IoT Build | 0:fa2de1b79154 | 34 | ON_IO_OPEN_COMPLETE on_io_open_complete; |
Azure.IoT Build | 0:fa2de1b79154 | 35 | ON_IO_CLOSE_COMPLETE on_io_close_complete; |
Azure.IoT Build | 0:fa2de1b79154 | 36 | ON_IO_ERROR on_io_error; |
Azure.IoT Build | 0:fa2de1b79154 | 37 | void* on_bytes_received_context; |
Azure.IoT Build | 0:fa2de1b79154 | 38 | void* on_io_open_complete_context; |
Azure.IoT Build | 0:fa2de1b79154 | 39 | void* on_io_close_complete_context; |
Azure.IoT Build | 0:fa2de1b79154 | 40 | void* on_io_error_context; |
Azure.IoT Build | 0:fa2de1b79154 | 41 | WOLFSSL* ssl; |
Azure.IoT Build | 0:fa2de1b79154 | 42 | WOLFSSL_CTX* ssl_context; |
Azure.IoT Build | 0:fa2de1b79154 | 43 | TLSIO_STATE_ENUM tlsio_state; |
Azure.IoT Build | 0:fa2de1b79154 | 44 | unsigned char* socket_io_read_bytes; |
Azure.IoT Build | 0:fa2de1b79154 | 45 | size_t socket_io_read_byte_count; |
Azure.IoT Build | 0:fa2de1b79154 | 46 | ON_SEND_COMPLETE on_send_complete; |
Azure.IoT Build | 0:fa2de1b79154 | 47 | void* on_send_complete_callback_context; |
Azure.IoT Build | 6:c55b013dfc2a | 48 | char* certificate; |
Azure.IoT Build | 6:c55b013dfc2a | 49 | char* hostname; |
Azure.IoT Build | 6:c55b013dfc2a | 50 | int port; |
Azure.IoT Build | 0:fa2de1b79154 | 51 | } TLS_IO_INSTANCE; |
Azure.IoT Build | 0:fa2de1b79154 | 52 | |
Azure.IoT Build | 0:fa2de1b79154 | 53 | static const IO_INTERFACE_DESCRIPTION tlsio_wolfssl_interface_description = |
Azure.IoT Build | 0:fa2de1b79154 | 54 | { |
Azure.IoT Build | 0:fa2de1b79154 | 55 | tlsio_wolfssl_create, |
Azure.IoT Build | 0:fa2de1b79154 | 56 | tlsio_wolfssl_destroy, |
Azure.IoT Build | 0:fa2de1b79154 | 57 | tlsio_wolfssl_open, |
Azure.IoT Build | 0:fa2de1b79154 | 58 | tlsio_wolfssl_close, |
Azure.IoT Build | 0:fa2de1b79154 | 59 | tlsio_wolfssl_send, |
Azure.IoT Build | 0:fa2de1b79154 | 60 | tlsio_wolfssl_dowork, |
Azure.IoT Build | 0:fa2de1b79154 | 61 | tlsio_wolfssl_setoption |
Azure.IoT Build | 0:fa2de1b79154 | 62 | }; |
Azure.IoT Build | 0:fa2de1b79154 | 63 | |
Azure.IoT Build | 0:fa2de1b79154 | 64 | static void indicate_error(TLS_IO_INSTANCE* tls_io_instance) |
Azure.IoT Build | 0:fa2de1b79154 | 65 | { |
Azure.IoT Build | 0:fa2de1b79154 | 66 | if (tls_io_instance->on_io_error != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 67 | { |
Azure.IoT Build | 0:fa2de1b79154 | 68 | tls_io_instance->on_io_error(tls_io_instance->on_io_error_context); |
Azure.IoT Build | 0:fa2de1b79154 | 69 | } |
Azure.IoT Build | 0:fa2de1b79154 | 70 | } |
Azure.IoT Build | 0:fa2de1b79154 | 71 | |
Azure.IoT Build | 0:fa2de1b79154 | 72 | static void indicate_open_complete(TLS_IO_INSTANCE* tls_io_instance, IO_OPEN_RESULT open_result) |
Azure.IoT Build | 0:fa2de1b79154 | 73 | { |
Azure.IoT Build | 0:fa2de1b79154 | 74 | if (tls_io_instance->on_io_open_complete != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 75 | { |
Azure.IoT Build | 0:fa2de1b79154 | 76 | tls_io_instance->on_io_open_complete(tls_io_instance->on_io_open_complete_context, open_result); |
Azure.IoT Build | 0:fa2de1b79154 | 77 | } |
Azure.IoT Build | 0:fa2de1b79154 | 78 | } |
Azure.IoT Build | 0:fa2de1b79154 | 79 | |
Azure.IoT Build | 0:fa2de1b79154 | 80 | static int decode_ssl_received_bytes(TLS_IO_INSTANCE* tls_io_instance) |
Azure.IoT Build | 0:fa2de1b79154 | 81 | { |
Azure.IoT Build | 0:fa2de1b79154 | 82 | int result = 0; |
Azure.IoT Build | 0:fa2de1b79154 | 83 | unsigned char buffer[64]; |
Azure.IoT Build | 0:fa2de1b79154 | 84 | |
Azure.IoT Build | 0:fa2de1b79154 | 85 | int rcv_bytes = 1; |
Azure.IoT Build | 0:fa2de1b79154 | 86 | while (rcv_bytes > 0) |
Azure.IoT Build | 0:fa2de1b79154 | 87 | { |
Azure.IoT Build | 0:fa2de1b79154 | 88 | rcv_bytes = wolfSSL_read(tls_io_instance->ssl, buffer, sizeof(buffer)); |
Azure.IoT Build | 0:fa2de1b79154 | 89 | if (rcv_bytes > 0) |
Azure.IoT Build | 0:fa2de1b79154 | 90 | { |
Azure.IoT Build | 0:fa2de1b79154 | 91 | if (tls_io_instance->on_bytes_received != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 92 | { |
Azure.IoT Build | 0:fa2de1b79154 | 93 | tls_io_instance->on_bytes_received(tls_io_instance->on_bytes_received_context, buffer, rcv_bytes); |
Azure.IoT Build | 0:fa2de1b79154 | 94 | } |
Azure.IoT Build | 0:fa2de1b79154 | 95 | } |
Azure.IoT Build | 0:fa2de1b79154 | 96 | } |
Azure.IoT Build | 0:fa2de1b79154 | 97 | |
Azure.IoT Build | 0:fa2de1b79154 | 98 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 99 | } |
Azure.IoT Build | 0:fa2de1b79154 | 100 | |
Azure.IoT Build | 0:fa2de1b79154 | 101 | static void on_underlying_io_open_complete(void* context, IO_OPEN_RESULT open_result) |
Azure.IoT Build | 0:fa2de1b79154 | 102 | { |
Azure.IoT Build | 0:fa2de1b79154 | 103 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context; |
Azure.IoT Build | 0:fa2de1b79154 | 104 | |
Azure.IoT Build | 0:fa2de1b79154 | 105 | if (open_result != IO_OPEN_OK) |
Azure.IoT Build | 0:fa2de1b79154 | 106 | { |
Azure.IoT Build | 0:fa2de1b79154 | 107 | tls_io_instance->tlsio_state = TLSIO_STATE_ERROR; |
Azure.IoT Build | 0:fa2de1b79154 | 108 | indicate_open_complete(tls_io_instance, IO_OPEN_ERROR); |
Azure.IoT Build | 0:fa2de1b79154 | 109 | } |
Azure.IoT Build | 0:fa2de1b79154 | 110 | else |
Azure.IoT Build | 0:fa2de1b79154 | 111 | { |
Azure.IoT Build | 0:fa2de1b79154 | 112 | int res; |
Azure.IoT Build | 0:fa2de1b79154 | 113 | tls_io_instance->tlsio_state = TLSIO_STATE_IN_HANDSHAKE; |
Azure.IoT Build | 0:fa2de1b79154 | 114 | |
Azure.IoT Build | 0:fa2de1b79154 | 115 | res = wolfSSL_connect(tls_io_instance->ssl); |
Azure.IoT Build | 0:fa2de1b79154 | 116 | if (res != SSL_SUCCESS) |
Azure.IoT Build | 0:fa2de1b79154 | 117 | { |
Azure.IoT Build | 0:fa2de1b79154 | 118 | indicate_open_complete(tls_io_instance, IO_OPEN_ERROR); |
Azure.IoT Build | 6:c55b013dfc2a | 119 | tls_io_instance->tlsio_state = TLSIO_STATE_ERROR; |
Azure.IoT Build | 0:fa2de1b79154 | 120 | } |
Azure.IoT Build | 0:fa2de1b79154 | 121 | } |
Azure.IoT Build | 0:fa2de1b79154 | 122 | } |
Azure.IoT Build | 0:fa2de1b79154 | 123 | |
Azure.IoT Build | 0:fa2de1b79154 | 124 | static void on_underlying_io_bytes_received(void* context, const unsigned char* buffer, size_t size) |
Azure.IoT Build | 0:fa2de1b79154 | 125 | { |
Azure.IoT Build | 0:fa2de1b79154 | 126 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context; |
Azure.IoT Build | 0:fa2de1b79154 | 127 | |
Azure.IoT Build | 0:fa2de1b79154 | 128 | 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); |
Azure.IoT Build | 0:fa2de1b79154 | 129 | if (new_socket_io_read_bytes == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 130 | { |
Azure.IoT Build | 0:fa2de1b79154 | 131 | tls_io_instance->tlsio_state = TLSIO_STATE_ERROR; |
Azure.IoT Build | 0:fa2de1b79154 | 132 | indicate_error(tls_io_instance); |
Azure.IoT Build | 0:fa2de1b79154 | 133 | } |
Azure.IoT Build | 0:fa2de1b79154 | 134 | else |
Azure.IoT Build | 0:fa2de1b79154 | 135 | { |
Azure.IoT Build | 0:fa2de1b79154 | 136 | tls_io_instance->socket_io_read_bytes = new_socket_io_read_bytes; |
Azure.IoT Build | 0:fa2de1b79154 | 137 | (void)memcpy(tls_io_instance->socket_io_read_bytes + tls_io_instance->socket_io_read_byte_count, buffer, size); |
Azure.IoT Build | 0:fa2de1b79154 | 138 | tls_io_instance->socket_io_read_byte_count += size; |
Azure.IoT Build | 0:fa2de1b79154 | 139 | } |
Azure.IoT Build | 0:fa2de1b79154 | 140 | } |
Azure.IoT Build | 0:fa2de1b79154 | 141 | |
Azure.IoT Build | 0:fa2de1b79154 | 142 | static void on_underlying_io_error(void* context) |
Azure.IoT Build | 0:fa2de1b79154 | 143 | { |
Azure.IoT Build | 0:fa2de1b79154 | 144 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context; |
Azure.IoT Build | 0:fa2de1b79154 | 145 | |
Azure.IoT Build | 0:fa2de1b79154 | 146 | switch (tls_io_instance->tlsio_state) |
Azure.IoT Build | 0:fa2de1b79154 | 147 | { |
Azure.IoT Build | 6:c55b013dfc2a | 148 | default: |
Azure.IoT Build | 6:c55b013dfc2a | 149 | case TLSIO_STATE_NOT_OPEN: |
Azure.IoT Build | 6:c55b013dfc2a | 150 | case TLSIO_STATE_ERROR: |
Azure.IoT Build | 6:c55b013dfc2a | 151 | break; |
Azure.IoT Build | 0:fa2de1b79154 | 152 | |
Azure.IoT Build | 6:c55b013dfc2a | 153 | case TLSIO_STATE_OPENING_UNDERLYING_IO: |
Azure.IoT Build | 6:c55b013dfc2a | 154 | case TLSIO_STATE_IN_HANDSHAKE: |
Azure.IoT Build | 6:c55b013dfc2a | 155 | tls_io_instance->tlsio_state = TLSIO_STATE_ERROR; |
Azure.IoT Build | 6:c55b013dfc2a | 156 | indicate_open_complete(tls_io_instance, IO_OPEN_ERROR); |
Azure.IoT Build | 6:c55b013dfc2a | 157 | break; |
Azure.IoT Build | 0:fa2de1b79154 | 158 | |
Azure.IoT Build | 6:c55b013dfc2a | 159 | case TLSIO_STATE_OPEN: |
Azure.IoT Build | 6:c55b013dfc2a | 160 | tls_io_instance->tlsio_state = TLSIO_STATE_ERROR; |
Azure.IoT Build | 6:c55b013dfc2a | 161 | indicate_error(tls_io_instance); |
Azure.IoT Build | 6:c55b013dfc2a | 162 | break; |
Azure.IoT Build | 0:fa2de1b79154 | 163 | } |
Azure.IoT Build | 0:fa2de1b79154 | 164 | } |
Azure.IoT Build | 0:fa2de1b79154 | 165 | |
Azure.IoT Build | 0:fa2de1b79154 | 166 | static void on_underlying_io_close_complete(void* context) |
Azure.IoT Build | 0:fa2de1b79154 | 167 | { |
Azure.IoT Build | 0:fa2de1b79154 | 168 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context; |
Azure.IoT Build | 0:fa2de1b79154 | 169 | |
Azure.IoT Build | 0:fa2de1b79154 | 170 | if (tls_io_instance->tlsio_state == TLSIO_STATE_CLOSING) |
Azure.IoT Build | 0:fa2de1b79154 | 171 | { |
Azure.IoT Build | 0:fa2de1b79154 | 172 | if (tls_io_instance->on_io_close_complete != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 173 | { |
Azure.IoT Build | 0:fa2de1b79154 | 174 | tls_io_instance->on_io_close_complete(tls_io_instance->on_io_close_complete_context); |
Azure.IoT Build | 0:fa2de1b79154 | 175 | } |
Azure.IoT Build | 6:c55b013dfc2a | 176 | tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN; |
Azure.IoT Build | 0:fa2de1b79154 | 177 | } |
Azure.IoT Build | 0:fa2de1b79154 | 178 | } |
Azure.IoT Build | 0:fa2de1b79154 | 179 | |
Azure.IoT Build | 0:fa2de1b79154 | 180 | static int on_io_recv(WOLFSSL *ssl, char *buf, int sz, void *context) |
Azure.IoT Build | 0:fa2de1b79154 | 181 | { |
Azure.IoT Build | 0:fa2de1b79154 | 182 | int result; |
Azure.IoT Build | 0:fa2de1b79154 | 183 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context; |
Azure.IoT Build | 0:fa2de1b79154 | 184 | unsigned char* new_socket_io_read_bytes; |
Azure.IoT Build | 0:fa2de1b79154 | 185 | |
Azure.IoT Build | 0:fa2de1b79154 | 186 | while (tls_io_instance->socket_io_read_byte_count == 0) |
Azure.IoT Build | 0:fa2de1b79154 | 187 | { |
Azure.IoT Build | 0:fa2de1b79154 | 188 | xio_dowork(tls_io_instance->socket_io); |
Azure.IoT Build | 6:c55b013dfc2a | 189 | if (tls_io_instance->tlsio_state != TLSIO_STATE_IN_HANDSHAKE) |
Azure.IoT Build | 0:fa2de1b79154 | 190 | { |
Azure.IoT Build | 0:fa2de1b79154 | 191 | break; |
Azure.IoT Build | 0:fa2de1b79154 | 192 | } |
Azure.IoT Build | 0:fa2de1b79154 | 193 | } |
Azure.IoT Build | 0:fa2de1b79154 | 194 | |
Azure.IoT Build | 0:fa2de1b79154 | 195 | result = tls_io_instance->socket_io_read_byte_count; |
Azure.IoT Build | 0:fa2de1b79154 | 196 | if (result > sz) |
Azure.IoT Build | 0:fa2de1b79154 | 197 | { |
Azure.IoT Build | 0:fa2de1b79154 | 198 | result = sz; |
Azure.IoT Build | 0:fa2de1b79154 | 199 | } |
Azure.IoT Build | 0:fa2de1b79154 | 200 | |
Azure.IoT Build | 0:fa2de1b79154 | 201 | if (result > 0) |
Azure.IoT Build | 0:fa2de1b79154 | 202 | { |
Azure.IoT Build | 0:fa2de1b79154 | 203 | (void)memcpy(buf, tls_io_instance->socket_io_read_bytes, result); |
Azure.IoT Build | 0:fa2de1b79154 | 204 | (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); |
Azure.IoT Build | 0:fa2de1b79154 | 205 | tls_io_instance->socket_io_read_byte_count -= result; |
Azure.IoT Build | 0:fa2de1b79154 | 206 | if (tls_io_instance->socket_io_read_byte_count > 0) |
Azure.IoT Build | 0:fa2de1b79154 | 207 | { |
Azure.IoT Build | 0:fa2de1b79154 | 208 | new_socket_io_read_bytes = (unsigned char*)realloc(tls_io_instance->socket_io_read_bytes, tls_io_instance->socket_io_read_byte_count); |
Azure.IoT Build | 0:fa2de1b79154 | 209 | if (new_socket_io_read_bytes != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 210 | { |
Azure.IoT Build | 0:fa2de1b79154 | 211 | tls_io_instance->socket_io_read_bytes = new_socket_io_read_bytes; |
Azure.IoT Build | 0:fa2de1b79154 | 212 | } |
Azure.IoT Build | 0:fa2de1b79154 | 213 | } |
Azure.IoT Build | 0:fa2de1b79154 | 214 | else |
Azure.IoT Build | 0:fa2de1b79154 | 215 | { |
Azure.IoT Build | 0:fa2de1b79154 | 216 | free(tls_io_instance->socket_io_read_bytes); |
Azure.IoT Build | 0:fa2de1b79154 | 217 | tls_io_instance->socket_io_read_bytes = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 218 | } |
Azure.IoT Build | 0:fa2de1b79154 | 219 | } |
Azure.IoT Build | 0:fa2de1b79154 | 220 | |
Azure.IoT Build | 0:fa2de1b79154 | 221 | if ((result == 0) && (tls_io_instance->tlsio_state == TLSIO_STATE_OPEN)) |
Azure.IoT Build | 0:fa2de1b79154 | 222 | { |
Azure.IoT Build | 0:fa2de1b79154 | 223 | result = WOLFSSL_CBIO_ERR_WANT_READ; |
Azure.IoT Build | 0:fa2de1b79154 | 224 | } |
Azure.IoT Build | 6:c55b013dfc2a | 225 | else if ((result == 0) && tls_io_instance->tlsio_state == TLSIO_STATE_CLOSING) |
Azure.IoT Build | 6:c55b013dfc2a | 226 | { |
Azure.IoT Build | 6:c55b013dfc2a | 227 | result = WOLFSSL_CBIO_ERR_CONN_CLOSE; |
Azure.IoT Build | 6:c55b013dfc2a | 228 | } |
Azure.IoT Build | 0:fa2de1b79154 | 229 | |
Azure.IoT Build | 0:fa2de1b79154 | 230 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 231 | } |
Azure.IoT Build | 0:fa2de1b79154 | 232 | |
Azure.IoT Build | 0:fa2de1b79154 | 233 | static int on_io_send(WOLFSSL *ssl, char *buf, int sz, void *context) |
Azure.IoT Build | 0:fa2de1b79154 | 234 | { |
Azure.IoT Build | 0:fa2de1b79154 | 235 | int result; |
Azure.IoT Build | 0:fa2de1b79154 | 236 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context; |
Azure.IoT Build | 0:fa2de1b79154 | 237 | |
Azure.IoT Build | 0:fa2de1b79154 | 238 | 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 | 239 | { |
Azure.IoT Build | 0:fa2de1b79154 | 240 | tls_io_instance->tlsio_state = TLSIO_STATE_ERROR; |
Azure.IoT Build | 0:fa2de1b79154 | 241 | indicate_error(tls_io_instance); |
Azure.IoT Build | 0:fa2de1b79154 | 242 | result = 0; |
Azure.IoT Build | 0:fa2de1b79154 | 243 | } |
Azure.IoT Build | 0:fa2de1b79154 | 244 | else |
Azure.IoT Build | 0:fa2de1b79154 | 245 | { |
Azure.IoT Build | 0:fa2de1b79154 | 246 | result = sz; |
Azure.IoT Build | 0:fa2de1b79154 | 247 | } |
Azure.IoT Build | 0:fa2de1b79154 | 248 | |
Azure.IoT Build | 0:fa2de1b79154 | 249 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 250 | } |
Azure.IoT Build | 0:fa2de1b79154 | 251 | |
Azure.IoT Build | 0:fa2de1b79154 | 252 | static int on_handshake_done(WOLFSSL* ssl, void* context) |
Azure.IoT Build | 0:fa2de1b79154 | 253 | { |
Azure.IoT Build | 0:fa2de1b79154 | 254 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context; |
Azure.IoT Build | 0:fa2de1b79154 | 255 | if (tls_io_instance->tlsio_state == TLSIO_STATE_IN_HANDSHAKE) |
Azure.IoT Build | 0:fa2de1b79154 | 256 | { |
Azure.IoT Build | 0:fa2de1b79154 | 257 | tls_io_instance->tlsio_state = TLSIO_STATE_OPEN; |
Azure.IoT Build | 0:fa2de1b79154 | 258 | indicate_open_complete(tls_io_instance, IO_OPEN_OK); |
Azure.IoT Build | 0:fa2de1b79154 | 259 | } |
Azure.IoT Build | 0:fa2de1b79154 | 260 | |
Azure.IoT Build | 0:fa2de1b79154 | 261 | return 0; |
Azure.IoT Build | 0:fa2de1b79154 | 262 | } |
Azure.IoT Build | 0:fa2de1b79154 | 263 | |
Azure.IoT Build | 6:c55b013dfc2a | 264 | static int add_certificate_to_store(TLS_IO_INSTANCE* tls_io_instance) |
Azure.IoT Build | 6:c55b013dfc2a | 265 | { |
Azure.IoT Build | 6:c55b013dfc2a | 266 | int result; |
Azure.IoT Build | 6:c55b013dfc2a | 267 | if (tls_io_instance->certificate != NULL) |
Azure.IoT Build | 6:c55b013dfc2a | 268 | { |
Azure.IoT Build | 6:c55b013dfc2a | 269 | int res = wolfSSL_CTX_load_verify_buffer(tls_io_instance->ssl_context, (const unsigned char*)tls_io_instance->certificate, strlen(tls_io_instance->certificate)+1, SSL_FILETYPE_PEM); |
Azure.IoT Build | 6:c55b013dfc2a | 270 | if (res != SSL_SUCCESS) |
Azure.IoT Build | 6:c55b013dfc2a | 271 | { |
Azure.IoT Build | 6:c55b013dfc2a | 272 | result = __LINE__; |
Azure.IoT Build | 6:c55b013dfc2a | 273 | } |
Azure.IoT Build | 6:c55b013dfc2a | 274 | else |
Azure.IoT Build | 6:c55b013dfc2a | 275 | { |
Azure.IoT Build | 6:c55b013dfc2a | 276 | result = 0; |
Azure.IoT Build | 6:c55b013dfc2a | 277 | } |
Azure.IoT Build | 6:c55b013dfc2a | 278 | } |
Azure.IoT Build | 6:c55b013dfc2a | 279 | else |
Azure.IoT Build | 6:c55b013dfc2a | 280 | { |
Azure.IoT Build | 6:c55b013dfc2a | 281 | result = 0; |
Azure.IoT Build | 6:c55b013dfc2a | 282 | } |
Azure.IoT Build | 6:c55b013dfc2a | 283 | return result; |
Azure.IoT Build | 6:c55b013dfc2a | 284 | } |
Azure.IoT Build | 6:c55b013dfc2a | 285 | |
Azure.IoT Build | 6:c55b013dfc2a | 286 | static int create_wolfssl_instance(TLS_IO_INSTANCE* tls_io_instance) |
Azure.IoT Build | 6:c55b013dfc2a | 287 | { |
Azure.IoT Build | 6:c55b013dfc2a | 288 | int result; |
Azure.IoT Build | 6:c55b013dfc2a | 289 | |
Azure.IoT Build | 6:c55b013dfc2a | 290 | if (add_certificate_to_store(tls_io_instance) != 0) |
Azure.IoT Build | 6:c55b013dfc2a | 291 | { |
Azure.IoT Build | 6:c55b013dfc2a | 292 | wolfSSL_CTX_free(tls_io_instance->ssl_context); |
Azure.IoT Build | 6:c55b013dfc2a | 293 | result = __LINE__; |
Azure.IoT Build | 6:c55b013dfc2a | 294 | } |
Azure.IoT Build | 6:c55b013dfc2a | 295 | else |
Azure.IoT Build | 6:c55b013dfc2a | 296 | { |
Azure.IoT Build | 6:c55b013dfc2a | 297 | tls_io_instance->ssl = wolfSSL_new(tls_io_instance->ssl_context); |
Azure.IoT Build | 6:c55b013dfc2a | 298 | if (tls_io_instance->ssl == NULL) |
Azure.IoT Build | 6:c55b013dfc2a | 299 | { |
Azure.IoT Build | 6:c55b013dfc2a | 300 | wolfSSL_CTX_free(tls_io_instance->ssl_context); |
Azure.IoT Build | 6:c55b013dfc2a | 301 | result = __LINE__; |
Azure.IoT Build | 6:c55b013dfc2a | 302 | } |
Azure.IoT Build | 6:c55b013dfc2a | 303 | else |
Azure.IoT Build | 6:c55b013dfc2a | 304 | { |
Azure.IoT Build | 6:c55b013dfc2a | 305 | tls_io_instance->socket_io_read_bytes = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 306 | tls_io_instance->socket_io_read_byte_count = 0; |
Azure.IoT Build | 6:c55b013dfc2a | 307 | tls_io_instance->on_send_complete = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 308 | tls_io_instance->on_send_complete_callback_context = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 309 | |
Azure.IoT Build | 6:c55b013dfc2a | 310 | wolfSSL_set_using_nonblock(tls_io_instance->ssl, 1); |
Azure.IoT Build | 6:c55b013dfc2a | 311 | wolfSSL_SetIOSend(tls_io_instance->ssl_context, on_io_send); |
Azure.IoT Build | 6:c55b013dfc2a | 312 | wolfSSL_SetIORecv(tls_io_instance->ssl_context, on_io_recv); |
Azure.IoT Build | 6:c55b013dfc2a | 313 | wolfSSL_SetHsDoneCb(tls_io_instance->ssl, on_handshake_done, tls_io_instance); |
Azure.IoT Build | 6:c55b013dfc2a | 314 | wolfSSL_SetIOWriteCtx(tls_io_instance->ssl, tls_io_instance); |
Azure.IoT Build | 6:c55b013dfc2a | 315 | wolfSSL_SetIOReadCtx(tls_io_instance->ssl, tls_io_instance); |
Azure.IoT Build | 6:c55b013dfc2a | 316 | |
Azure.IoT Build | 6:c55b013dfc2a | 317 | tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN; |
Azure.IoT Build | 6:c55b013dfc2a | 318 | result = 0; |
Azure.IoT Build | 6:c55b013dfc2a | 319 | } |
Azure.IoT Build | 6:c55b013dfc2a | 320 | } |
Azure.IoT Build | 6:c55b013dfc2a | 321 | return result; |
Azure.IoT Build | 6:c55b013dfc2a | 322 | } |
Azure.IoT Build | 6:c55b013dfc2a | 323 | |
Azure.IoT Build | 6:c55b013dfc2a | 324 | static void destroy_wolfssl_instance(TLS_IO_INSTANCE* tls_io_instance) |
Azure.IoT Build | 6:c55b013dfc2a | 325 | { |
Azure.IoT Build | 6:c55b013dfc2a | 326 | wolfSSL_free(tls_io_instance->ssl); |
Azure.IoT Build | 6:c55b013dfc2a | 327 | } |
Azure.IoT Build | 6:c55b013dfc2a | 328 | |
Azure.IoT Build | 0:fa2de1b79154 | 329 | int tlsio_wolfssl_init(void) |
Azure.IoT Build | 0:fa2de1b79154 | 330 | { |
Azure.IoT Build | 0:fa2de1b79154 | 331 | (void)wolfSSL_library_init(); |
Azure.IoT Build | 0:fa2de1b79154 | 332 | wolfSSL_load_error_strings(); |
Azure.IoT Build | 0:fa2de1b79154 | 333 | |
Azure.IoT Build | 0:fa2de1b79154 | 334 | return 0; |
Azure.IoT Build | 0:fa2de1b79154 | 335 | } |
Azure.IoT Build | 0:fa2de1b79154 | 336 | |
Azure.IoT Build | 0:fa2de1b79154 | 337 | void tlsio_wolfssl_deinit(void) |
Azure.IoT Build | 0:fa2de1b79154 | 338 | { |
Azure.IoT Build | 0:fa2de1b79154 | 339 | } |
Azure.IoT Build | 0:fa2de1b79154 | 340 | |
Azure.IoT Build | 6:c55b013dfc2a | 341 | CONCRETE_IO_HANDLE tlsio_wolfssl_create(void* io_create_parameters) |
Azure.IoT Build | 0:fa2de1b79154 | 342 | { |
Azure.IoT Build | 0:fa2de1b79154 | 343 | TLSIO_CONFIG* tls_io_config = io_create_parameters; |
Azure.IoT Build | 0:fa2de1b79154 | 344 | TLS_IO_INSTANCE* result; |
Azure.IoT Build | 0:fa2de1b79154 | 345 | |
Azure.IoT Build | 0:fa2de1b79154 | 346 | if (tls_io_config == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 347 | { |
Azure.IoT Build | 0:fa2de1b79154 | 348 | result = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 349 | } |
Azure.IoT Build | 0:fa2de1b79154 | 350 | else |
Azure.IoT Build | 0:fa2de1b79154 | 351 | { |
Azure.IoT Build | 6:c55b013dfc2a | 352 | result = (TLS_IO_INSTANCE*)malloc(sizeof(TLS_IO_INSTANCE)); |
Azure.IoT Build | 0:fa2de1b79154 | 353 | if (result != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 354 | { |
Azure.IoT Build | 6:c55b013dfc2a | 355 | memset(result, 0, sizeof(TLS_IO_INSTANCE)); |
Azure.IoT Build | 6:c55b013dfc2a | 356 | mallocAndStrcpy_s(&result->hostname, tls_io_config->hostname); |
Azure.IoT Build | 6:c55b013dfc2a | 357 | result->port = tls_io_config->port; |
Azure.IoT Build | 0:fa2de1b79154 | 358 | |
Azure.IoT Build | 6:c55b013dfc2a | 359 | result->socket_io_read_bytes = 0; |
Azure.IoT Build | 6:c55b013dfc2a | 360 | result->socket_io_read_byte_count = 0; |
Azure.IoT Build | 6:c55b013dfc2a | 361 | result->socket_io = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 362 | |
Azure.IoT Build | 6:c55b013dfc2a | 363 | result->ssl = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 364 | result->ssl_context = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 365 | result->certificate = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 366 | |
Azure.IoT Build | 0:fa2de1b79154 | 367 | result->on_bytes_received = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 368 | result->on_bytes_received_context = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 369 | |
Azure.IoT Build | 0:fa2de1b79154 | 370 | result->on_io_open_complete = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 371 | result->on_io_open_complete_context = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 372 | |
Azure.IoT Build | 0:fa2de1b79154 | 373 | result->on_io_close_complete = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 374 | result->on_io_close_complete_context = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 375 | |
Azure.IoT Build | 0:fa2de1b79154 | 376 | result->on_io_error = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 377 | result->on_io_error_context = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 378 | |
Azure.IoT Build | 6:c55b013dfc2a | 379 | result->tlsio_state = TLSIO_STATE_NOT_OPEN; |
Azure.IoT Build | 0:fa2de1b79154 | 380 | |
Azure.IoT Build | 0:fa2de1b79154 | 381 | result->ssl_context = wolfSSL_CTX_new(wolfTLSv1_client_method()); |
Azure.IoT Build | 0:fa2de1b79154 | 382 | if (result->ssl_context == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 383 | { |
Azure.IoT Build | 0:fa2de1b79154 | 384 | free(result); |
Azure.IoT Build | 0:fa2de1b79154 | 385 | result = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 386 | } |
Azure.IoT Build | 0:fa2de1b79154 | 387 | else |
Azure.IoT Build | 0:fa2de1b79154 | 388 | { |
Azure.IoT Build | 0:fa2de1b79154 | 389 | const IO_INTERFACE_DESCRIPTION* socket_io_interface = socketio_get_interface_description(); |
Azure.IoT Build | 0:fa2de1b79154 | 390 | if (socket_io_interface == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 391 | { |
Azure.IoT Build | 0:fa2de1b79154 | 392 | wolfSSL_CTX_free(result->ssl_context); |
Azure.IoT Build | 0:fa2de1b79154 | 393 | free(result); |
Azure.IoT Build | 0:fa2de1b79154 | 394 | result = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 395 | } |
Azure.IoT Build | 0:fa2de1b79154 | 396 | else |
Azure.IoT Build | 0:fa2de1b79154 | 397 | { |
Azure.IoT Build | 6:c55b013dfc2a | 398 | SOCKETIO_CONFIG socketio_config; |
Azure.IoT Build | 6:c55b013dfc2a | 399 | socketio_config.hostname = result->hostname; |
Azure.IoT Build | 6:c55b013dfc2a | 400 | socketio_config.port = result->port; |
Azure.IoT Build | 6:c55b013dfc2a | 401 | socketio_config.accepted_socket = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 402 | |
Azure.IoT Build | 6:c55b013dfc2a | 403 | result->socket_io = xio_create(socket_io_interface, &socketio_config); |
Azure.IoT Build | 0:fa2de1b79154 | 404 | if (result->socket_io == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 405 | { |
Azure.IoT Build | 6:c55b013dfc2a | 406 | LogError("Failure connecting to underlying socket_io"); |
Azure.IoT Build | 0:fa2de1b79154 | 407 | wolfSSL_CTX_free(result->ssl_context); |
Azure.IoT Build | 0:fa2de1b79154 | 408 | free(result); |
Azure.IoT Build | 0:fa2de1b79154 | 409 | result = NULL; |
Azure.IoT Build | 0:fa2de1b79154 | 410 | } |
Azure.IoT Build | 0:fa2de1b79154 | 411 | } |
Azure.IoT Build | 0:fa2de1b79154 | 412 | } |
Azure.IoT Build | 6:c55b013dfc2a | 413 | |
Azure.IoT Build | 6:c55b013dfc2a | 414 | |
Azure.IoT Build | 0:fa2de1b79154 | 415 | } |
Azure.IoT Build | 0:fa2de1b79154 | 416 | } |
Azure.IoT Build | 0:fa2de1b79154 | 417 | |
Azure.IoT Build | 0:fa2de1b79154 | 418 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 419 | } |
Azure.IoT Build | 0:fa2de1b79154 | 420 | |
Azure.IoT Build | 0:fa2de1b79154 | 421 | void tlsio_wolfssl_destroy(CONCRETE_IO_HANDLE tls_io) |
Azure.IoT Build | 0:fa2de1b79154 | 422 | { |
Azure.IoT Build | 0:fa2de1b79154 | 423 | if (tls_io != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 424 | { |
Azure.IoT Build | 0:fa2de1b79154 | 425 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io; |
Azure.IoT Build | 0:fa2de1b79154 | 426 | if (tls_io_instance->socket_io_read_bytes != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 427 | { |
Azure.IoT Build | 0:fa2de1b79154 | 428 | free(tls_io_instance->socket_io_read_bytes); |
Azure.IoT Build | 0:fa2de1b79154 | 429 | } |
Azure.IoT Build | 0:fa2de1b79154 | 430 | |
Azure.IoT Build | 6:c55b013dfc2a | 431 | if (tls_io_instance->certificate != NULL) |
Azure.IoT Build | 6:c55b013dfc2a | 432 | { |
Azure.IoT Build | 6:c55b013dfc2a | 433 | free(tls_io_instance->certificate); |
Azure.IoT Build | 6:c55b013dfc2a | 434 | tls_io_instance->certificate = NULL; |
Azure.IoT Build | 6:c55b013dfc2a | 435 | } |
Azure.IoT Build | 6:c55b013dfc2a | 436 | wolfSSL_CTX_free(tls_io_instance->ssl_context); |
Azure.IoT Build | 0:fa2de1b79154 | 437 | xio_destroy(tls_io_instance->socket_io); |
Azure.IoT Build | 0:fa2de1b79154 | 438 | free(tls_io); |
Azure.IoT Build | 0:fa2de1b79154 | 439 | } |
Azure.IoT Build | 0:fa2de1b79154 | 440 | } |
Azure.IoT Build | 0:fa2de1b79154 | 441 | |
Azure.IoT Build | 0:fa2de1b79154 | 442 | 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 | 443 | { |
Azure.IoT Build | 0:fa2de1b79154 | 444 | int result; |
Azure.IoT Build | 0:fa2de1b79154 | 445 | |
Azure.IoT Build | 0:fa2de1b79154 | 446 | if (tls_io == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 447 | { |
Azure.IoT Build | 0:fa2de1b79154 | 448 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 449 | } |
Azure.IoT Build | 0:fa2de1b79154 | 450 | else |
Azure.IoT Build | 0:fa2de1b79154 | 451 | { |
Azure.IoT Build | 0:fa2de1b79154 | 452 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io; |
Azure.IoT Build | 0:fa2de1b79154 | 453 | |
Azure.IoT Build | 0:fa2de1b79154 | 454 | if (tls_io_instance->tlsio_state != TLSIO_STATE_NOT_OPEN) |
Azure.IoT Build | 0:fa2de1b79154 | 455 | { |
Azure.IoT Build | 6:c55b013dfc2a | 456 | LogError("Invalid state encountered."); |
Azure.IoT Build | 0:fa2de1b79154 | 457 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 458 | } |
Azure.IoT Build | 0:fa2de1b79154 | 459 | else |
Azure.IoT Build | 0:fa2de1b79154 | 460 | { |
Azure.IoT Build | 0:fa2de1b79154 | 461 | tls_io_instance->on_bytes_received = on_bytes_received; |
Azure.IoT Build | 0:fa2de1b79154 | 462 | tls_io_instance->on_bytes_received_context = on_bytes_received_context; |
Azure.IoT Build | 0:fa2de1b79154 | 463 | |
Azure.IoT Build | 0:fa2de1b79154 | 464 | tls_io_instance->on_io_open_complete = on_io_open_complete; |
Azure.IoT Build | 0:fa2de1b79154 | 465 | tls_io_instance->on_io_open_complete_context = on_io_open_complete_context; |
Azure.IoT Build | 0:fa2de1b79154 | 466 | |
Azure.IoT Build | 0:fa2de1b79154 | 467 | tls_io_instance->on_io_error = on_io_error; |
Azure.IoT Build | 0:fa2de1b79154 | 468 | tls_io_instance->on_io_error_context = on_io_error_context; |
Azure.IoT Build | 0:fa2de1b79154 | 469 | |
Azure.IoT Build | 0:fa2de1b79154 | 470 | tls_io_instance->tlsio_state = TLSIO_STATE_OPENING_UNDERLYING_IO; |
Azure.IoT Build | 0:fa2de1b79154 | 471 | |
Azure.IoT Build | 6:c55b013dfc2a | 472 | if (create_wolfssl_instance(tls_io_instance) != 0) |
Azure.IoT Build | 6:c55b013dfc2a | 473 | { |
Azure.IoT Build | 6:c55b013dfc2a | 474 | tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN; |
Azure.IoT Build | 6:c55b013dfc2a | 475 | result = __LINE__; |
Azure.IoT Build | 6:c55b013dfc2a | 476 | } |
Azure.IoT Build | 6:c55b013dfc2a | 477 | 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 | 478 | { |
Azure.IoT Build | 0:fa2de1b79154 | 479 | tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN; |
Azure.IoT Build | 0:fa2de1b79154 | 480 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 481 | } |
Azure.IoT Build | 0:fa2de1b79154 | 482 | else |
Azure.IoT Build | 0:fa2de1b79154 | 483 | { |
Azure.IoT Build | 6:c55b013dfc2a | 484 | // The state can get changed in the on_underlying_io_open_complete |
Azure.IoT Build | 6:c55b013dfc2a | 485 | if (tls_io_instance->tlsio_state == TLSIO_STATE_ERROR) |
Azure.IoT Build | 0:fa2de1b79154 | 486 | { |
Azure.IoT Build | 6:c55b013dfc2a | 487 | LogError("Failed to connect to server. The certificates may not be correct."); |
Azure.IoT Build | 0:fa2de1b79154 | 488 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 489 | } |
Azure.IoT Build | 0:fa2de1b79154 | 490 | else |
Azure.IoT Build | 0:fa2de1b79154 | 491 | { |
Azure.IoT Build | 6:c55b013dfc2a | 492 | int res; |
Azure.IoT Build | 6:c55b013dfc2a | 493 | tls_io_instance->tlsio_state = TLSIO_STATE_IN_HANDSHAKE; |
Azure.IoT Build | 6:c55b013dfc2a | 494 | res = wolfSSL_connect(tls_io_instance->ssl); |
Azure.IoT Build | 6:c55b013dfc2a | 495 | if (res != SSL_SUCCESS) |
Azure.IoT Build | 6:c55b013dfc2a | 496 | { |
Azure.IoT Build | 6:c55b013dfc2a | 497 | LogError("Failed to connect to server."); |
Azure.IoT Build | 6:c55b013dfc2a | 498 | tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN; |
Azure.IoT Build | 6:c55b013dfc2a | 499 | result = __LINE__; |
Azure.IoT Build | 6:c55b013dfc2a | 500 | } |
Azure.IoT Build | 6:c55b013dfc2a | 501 | else |
Azure.IoT Build | 6:c55b013dfc2a | 502 | { |
Azure.IoT Build | 6:c55b013dfc2a | 503 | result = 0; |
Azure.IoT Build | 6:c55b013dfc2a | 504 | } |
Azure.IoT Build | 0:fa2de1b79154 | 505 | } |
Azure.IoT Build | 0:fa2de1b79154 | 506 | } |
Azure.IoT Build | 0:fa2de1b79154 | 507 | } |
Azure.IoT Build | 0:fa2de1b79154 | 508 | } |
Azure.IoT Build | 0:fa2de1b79154 | 509 | |
Azure.IoT Build | 0:fa2de1b79154 | 510 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 511 | } |
Azure.IoT Build | 0:fa2de1b79154 | 512 | |
Azure.IoT Build | 0:fa2de1b79154 | 513 | 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 | 514 | { |
Azure.IoT Build | 0:fa2de1b79154 | 515 | int result = 0; |
Azure.IoT Build | 0:fa2de1b79154 | 516 | |
Azure.IoT Build | 0:fa2de1b79154 | 517 | if (tls_io == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 518 | { |
Azure.IoT Build | 0:fa2de1b79154 | 519 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 520 | } |
Azure.IoT Build | 0:fa2de1b79154 | 521 | else |
Azure.IoT Build | 0:fa2de1b79154 | 522 | { |
Azure.IoT Build | 0:fa2de1b79154 | 523 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io; |
Azure.IoT Build | 0:fa2de1b79154 | 524 | |
Azure.IoT Build | 0:fa2de1b79154 | 525 | if ((tls_io_instance->tlsio_state == TLSIO_STATE_NOT_OPEN) || |
Azure.IoT Build | 0:fa2de1b79154 | 526 | (tls_io_instance->tlsio_state == TLSIO_STATE_CLOSING)) |
Azure.IoT Build | 0:fa2de1b79154 | 527 | { |
Azure.IoT Build | 0:fa2de1b79154 | 528 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 529 | } |
Azure.IoT Build | 0:fa2de1b79154 | 530 | else |
Azure.IoT Build | 0:fa2de1b79154 | 531 | { |
Azure.IoT Build | 0:fa2de1b79154 | 532 | tls_io_instance->tlsio_state = TLSIO_STATE_CLOSING; |
Azure.IoT Build | 0:fa2de1b79154 | 533 | tls_io_instance->on_io_close_complete = on_io_close_complete; |
Azure.IoT Build | 0:fa2de1b79154 | 534 | tls_io_instance->on_io_close_complete_context = callback_context; |
Azure.IoT Build | 0:fa2de1b79154 | 535 | |
Azure.IoT Build | 0:fa2de1b79154 | 536 | if (xio_close(tls_io_instance->socket_io, on_underlying_io_close_complete, tls_io_instance) != 0) |
Azure.IoT Build | 0:fa2de1b79154 | 537 | { |
Azure.IoT Build | 0:fa2de1b79154 | 538 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 539 | } |
Azure.IoT Build | 0:fa2de1b79154 | 540 | else |
Azure.IoT Build | 0:fa2de1b79154 | 541 | { |
Azure.IoT Build | 6:c55b013dfc2a | 542 | destroy_wolfssl_instance(tls_io_instance); |
Azure.IoT Build | 0:fa2de1b79154 | 543 | result = 0; |
Azure.IoT Build | 0:fa2de1b79154 | 544 | } |
Azure.IoT Build | 0:fa2de1b79154 | 545 | } |
Azure.IoT Build | 0:fa2de1b79154 | 546 | } |
Azure.IoT Build | 0:fa2de1b79154 | 547 | |
Azure.IoT Build | 0:fa2de1b79154 | 548 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 549 | } |
Azure.IoT Build | 0:fa2de1b79154 | 550 | |
Azure.IoT Build | 0:fa2de1b79154 | 551 | 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 | 552 | { |
Azure.IoT Build | 0:fa2de1b79154 | 553 | int result; |
Azure.IoT Build | 0:fa2de1b79154 | 554 | |
Azure.IoT Build | 0:fa2de1b79154 | 555 | if (tls_io == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 556 | { |
Azure.IoT Build | 0:fa2de1b79154 | 557 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 558 | } |
Azure.IoT Build | 0:fa2de1b79154 | 559 | else |
Azure.IoT Build | 0:fa2de1b79154 | 560 | { |
Azure.IoT Build | 0:fa2de1b79154 | 561 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io; |
Azure.IoT Build | 0:fa2de1b79154 | 562 | |
Azure.IoT Build | 0:fa2de1b79154 | 563 | if (tls_io_instance->tlsio_state != TLSIO_STATE_OPEN) |
Azure.IoT Build | 0:fa2de1b79154 | 564 | { |
Azure.IoT Build | 0:fa2de1b79154 | 565 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 566 | } |
Azure.IoT Build | 0:fa2de1b79154 | 567 | else |
Azure.IoT Build | 0:fa2de1b79154 | 568 | { |
Azure.IoT Build | 0:fa2de1b79154 | 569 | tls_io_instance->on_send_complete = on_send_complete; |
Azure.IoT Build | 0:fa2de1b79154 | 570 | tls_io_instance->on_send_complete_callback_context = callback_context; |
Azure.IoT Build | 0:fa2de1b79154 | 571 | |
Azure.IoT Build | 0:fa2de1b79154 | 572 | int res = wolfSSL_write(tls_io_instance->ssl, buffer, size); |
Azure.IoT Build | 0:fa2de1b79154 | 573 | if (res != size) |
Azure.IoT Build | 0:fa2de1b79154 | 574 | { |
Azure.IoT Build | 0:fa2de1b79154 | 575 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 576 | } |
Azure.IoT Build | 0:fa2de1b79154 | 577 | else |
Azure.IoT Build | 0:fa2de1b79154 | 578 | { |
Azure.IoT Build | 0:fa2de1b79154 | 579 | result = 0; |
Azure.IoT Build | 0:fa2de1b79154 | 580 | } |
Azure.IoT Build | 0:fa2de1b79154 | 581 | } |
Azure.IoT Build | 0:fa2de1b79154 | 582 | } |
Azure.IoT Build | 0:fa2de1b79154 | 583 | |
Azure.IoT Build | 0:fa2de1b79154 | 584 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 585 | } |
Azure.IoT Build | 0:fa2de1b79154 | 586 | |
Azure.IoT Build | 0:fa2de1b79154 | 587 | void tlsio_wolfssl_dowork(CONCRETE_IO_HANDLE tls_io) |
Azure.IoT Build | 0:fa2de1b79154 | 588 | { |
Azure.IoT Build | 0:fa2de1b79154 | 589 | if (tls_io != NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 590 | { |
Azure.IoT Build | 0:fa2de1b79154 | 591 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io; |
Azure.IoT Build | 0:fa2de1b79154 | 592 | |
Azure.IoT Build | 0:fa2de1b79154 | 593 | if ((tls_io_instance->tlsio_state != TLSIO_STATE_NOT_OPEN) && |
Azure.IoT Build | 0:fa2de1b79154 | 594 | (tls_io_instance->tlsio_state != TLSIO_STATE_ERROR)) |
Azure.IoT Build | 0:fa2de1b79154 | 595 | { |
Azure.IoT Build | 0:fa2de1b79154 | 596 | decode_ssl_received_bytes(tls_io_instance); |
Azure.IoT Build | 0:fa2de1b79154 | 597 | xio_dowork(tls_io_instance->socket_io); |
Azure.IoT Build | 0:fa2de1b79154 | 598 | } |
Azure.IoT Build | 0:fa2de1b79154 | 599 | } |
Azure.IoT Build | 0:fa2de1b79154 | 600 | } |
Azure.IoT Build | 0:fa2de1b79154 | 601 | |
Azure.IoT Build | 0:fa2de1b79154 | 602 | const IO_INTERFACE_DESCRIPTION* tlsio_wolfssl_get_interface_description(void) |
Azure.IoT Build | 0:fa2de1b79154 | 603 | { |
Azure.IoT Build | 0:fa2de1b79154 | 604 | return &tlsio_wolfssl_interface_description; |
Azure.IoT Build | 0:fa2de1b79154 | 605 | } |
Azure.IoT Build | 0:fa2de1b79154 | 606 | |
Azure.IoT Build | 0:fa2de1b79154 | 607 | int tlsio_wolfssl_setoption(CONCRETE_IO_HANDLE tls_io, const char* optionName, const void* value) |
Azure.IoT Build | 0:fa2de1b79154 | 608 | { |
Azure.IoT Build | 0:fa2de1b79154 | 609 | int result; |
Azure.IoT Build | 0:fa2de1b79154 | 610 | |
Azure.IoT Build | 0:fa2de1b79154 | 611 | if (tls_io == NULL || optionName == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 612 | { |
Azure.IoT Build | 0:fa2de1b79154 | 613 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 614 | } |
Azure.IoT Build | 0:fa2de1b79154 | 615 | else |
Azure.IoT Build | 0:fa2de1b79154 | 616 | { |
Azure.IoT Build | 0:fa2de1b79154 | 617 | TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io; |
Azure.IoT Build | 0:fa2de1b79154 | 618 | |
Azure.IoT Build | 0:fa2de1b79154 | 619 | if (strcmp("TrustedCerts", optionName) == 0) |
Azure.IoT Build | 0:fa2de1b79154 | 620 | { |
Azure.IoT Build | 6:c55b013dfc2a | 621 | const char* cert = (const char*)value; |
Azure.IoT Build | 6:c55b013dfc2a | 622 | if (tls_io_instance->certificate != NULL) |
Azure.IoT Build | 6:c55b013dfc2a | 623 | { |
Azure.IoT Build | 6:c55b013dfc2a | 624 | // Free the memory if it has been previously allocated |
Azure.IoT Build | 6:c55b013dfc2a | 625 | free(tls_io_instance->certificate); |
Azure.IoT Build | 6:c55b013dfc2a | 626 | } |
Azure.IoT Build | 6:c55b013dfc2a | 627 | |
Azure.IoT Build | 6:c55b013dfc2a | 628 | // Store the certificate |
Azure.IoT Build | 6:c55b013dfc2a | 629 | size_t len = strlen(cert); |
Azure.IoT Build | 6:c55b013dfc2a | 630 | tls_io_instance->certificate = (const char*)malloc(len+1); |
Azure.IoT Build | 6:c55b013dfc2a | 631 | if (tls_io_instance->certificate == NULL) |
Azure.IoT Build | 0:fa2de1b79154 | 632 | { |
Azure.IoT Build | 0:fa2de1b79154 | 633 | result = __LINE__; |
Azure.IoT Build | 0:fa2de1b79154 | 634 | } |
Azure.IoT Build | 0:fa2de1b79154 | 635 | else |
Azure.IoT Build | 0:fa2de1b79154 | 636 | { |
Azure.IoT Build | 6:c55b013dfc2a | 637 | (void)strcpy(tls_io_instance->certificate, cert); |
Azure.IoT Build | 0:fa2de1b79154 | 638 | result = 0; |
Azure.IoT Build | 0:fa2de1b79154 | 639 | } |
Azure.IoT Build | 0:fa2de1b79154 | 640 | } |
AzureIoTClient | 1:9190c0f4d23a | 641 | else if (tls_io_instance->socket_io == NULL) |
AzureIoTClient | 1:9190c0f4d23a | 642 | { |
AzureIoTClient | 1:9190c0f4d23a | 643 | result = __LINE__; |
AzureIoTClient | 1:9190c0f4d23a | 644 | } |
Azure.IoT Build | 0:fa2de1b79154 | 645 | else |
Azure.IoT Build | 0:fa2de1b79154 | 646 | { |
Azure.IoT Build | 0:fa2de1b79154 | 647 | result = xio_setoption(tls_io_instance->socket_io, optionName, value); |
Azure.IoT Build | 0:fa2de1b79154 | 648 | } |
Azure.IoT Build | 0:fa2de1b79154 | 649 | } |
Azure.IoT Build | 0:fa2de1b79154 | 650 | |
Azure.IoT Build | 0:fa2de1b79154 | 651 | return result; |
Azure.IoT Build | 0:fa2de1b79154 | 652 | } |