Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

saslclientio.c@17:923575db8b2d, 2017-01-24 (annotated)

Committer:
AzureIoTClient
Date:
Tue Jan 24 15:23:52 2017 -0800
Revision:
17:923575db8b2d
Parent:
16:22a72cf8e416
Child:
19:000ab4e6a2c1
1.1.5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #include <stddef.h>
Azure.IoT Build 0:6ae2f7bca550 6 #include <stdio.h>
Azure.IoT Build 0:6ae2f7bca550 7 #include <string.h>
AzureIoTClient 6:641a9672db08 8 #include <stdbool.h>
Azure.IoT Build 0:6ae2f7bca550 9 #include "azure_uamqp_c/saslclientio.h"
Azure.IoT Build 0:6ae2f7bca550 10 #include "azure_c_shared_utility/xio.h"
Azure.IoT Build 0:6ae2f7bca550 11 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:6ae2f7bca550 12 #include "azure_uamqp_c/amqpalloc.h"
Azure.IoT Build 0:6ae2f7bca550 13 #include "azure_uamqp_c/frame_codec.h"
Azure.IoT Build 0:6ae2f7bca550 14 #include "azure_uamqp_c/sasl_frame_codec.h"
Azure.IoT Build 0:6ae2f7bca550 15 #include "azure_uamqp_c/amqp_definitions.h"
Azure.IoT Build 0:6ae2f7bca550 16 #include "azure_uamqp_c/amqpvalue_to_string.h"
Azure.IoT Build 0:6ae2f7bca550 17
Azure.IoT Build 0:6ae2f7bca550 18 typedef enum IO_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 19 {
AzureIoTClient 6:641a9672db08 20 IO_STATE_NOT_OPEN,
AzureIoTClient 6:641a9672db08 21 IO_STATE_OPENING_UNDERLYING_IO,
AzureIoTClient 6:641a9672db08 22 IO_STATE_SASL_HANDSHAKE,
AzureIoTClient 6:641a9672db08 23 IO_STATE_OPEN,
AzureIoTClient 6:641a9672db08 24 IO_STATE_CLOSING,
AzureIoTClient 6:641a9672db08 25 IO_STATE_ERROR
Azure.IoT Build 0:6ae2f7bca550 26 } IO_STATE;
Azure.IoT Build 0:6ae2f7bca550 27
Azure.IoT Build 0:6ae2f7bca550 28 typedef enum SASL_HEADER_EXCHANGE_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 29 {
AzureIoTClient 6:641a9672db08 30 SASL_HEADER_EXCHANGE_IDLE,
AzureIoTClient 6:641a9672db08 31 SASL_HEADER_EXCHANGE_HEADER_SENT,
AzureIoTClient 6:641a9672db08 32 SASL_HEADER_EXCHANGE_HEADER_RCVD,
AzureIoTClient 6:641a9672db08 33 SASL_HEADER_EXCHANGE_HEADER_EXCH
Azure.IoT Build 0:6ae2f7bca550 34 } SASL_HEADER_EXCHANGE_STATE;
Azure.IoT Build 0:6ae2f7bca550 35
Azure.IoT Build 0:6ae2f7bca550 36 typedef enum SASL_CLIENT_NEGOTIATION_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 37 {
AzureIoTClient 6:641a9672db08 38 SASL_CLIENT_NEGOTIATION_NOT_STARTED,
AzureIoTClient 6:641a9672db08 39 SASL_CLIENT_NEGOTIATION_MECH_RCVD,
AzureIoTClient 6:641a9672db08 40 SASL_CLIENT_NEGOTIATION_INIT_SENT,
AzureIoTClient 6:641a9672db08 41 SASL_CLIENT_NEGOTIATION_CHALLENGE_RCVD,
AzureIoTClient 6:641a9672db08 42 SASL_CLIENT_NEGOTIATION_RESPONSE_SENT,
AzureIoTClient 6:641a9672db08 43 SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD,
AzureIoTClient 6:641a9672db08 44 SASL_CLIENT_NEGOTIATION_ERROR
Azure.IoT Build 0:6ae2f7bca550 45 } SASL_CLIENT_NEGOTIATION_STATE;
Azure.IoT Build 0:6ae2f7bca550 46
Azure.IoT Build 0:6ae2f7bca550 47 typedef struct SASL_CLIENT_IO_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 48 {
AzureIoTClient 6:641a9672db08 49 XIO_HANDLE underlying_io;
AzureIoTClient 6:641a9672db08 50 ON_BYTES_RECEIVED on_bytes_received;
AzureIoTClient 6:641a9672db08 51 ON_IO_OPEN_COMPLETE on_io_open_complete;
AzureIoTClient 6:641a9672db08 52 ON_IO_CLOSE_COMPLETE on_io_close_complete;
AzureIoTClient 6:641a9672db08 53 ON_IO_ERROR on_io_error;
Azure.IoT Build 0:6ae2f7bca550 54 void* on_bytes_received_context;
AzureIoTClient 6:641a9672db08 55 void* on_io_open_complete_context;
AzureIoTClient 6:641a9672db08 56 void* on_io_close_complete_context;
Azure.IoT Build 0:6ae2f7bca550 57 void* on_io_error_context;
AzureIoTClient 6:641a9672db08 58 SASL_HEADER_EXCHANGE_STATE sasl_header_exchange_state;
AzureIoTClient 6:641a9672db08 59 SASL_CLIENT_NEGOTIATION_STATE sasl_client_negotiation_state;
AzureIoTClient 6:641a9672db08 60 size_t header_bytes_received;
AzureIoTClient 6:641a9672db08 61 SASL_FRAME_CODEC_HANDLE sasl_frame_codec;
AzureIoTClient 6:641a9672db08 62 FRAME_CODEC_HANDLE frame_codec;
AzureIoTClient 6:641a9672db08 63 IO_STATE io_state;
AzureIoTClient 6:641a9672db08 64 SASL_MECHANISM_HANDLE sasl_mechanism;
AzureIoTClient 6:641a9672db08 65 unsigned int is_trace_on : 1;
Azure.IoT Build 0:6ae2f7bca550 66 } SASL_CLIENT_IO_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 67
AzureIoTClient 16:22a72cf8e416 68 /* Codes_SRS_SASLCLIENTIO_01_002: [The protocol header consists of the upper case ASCII letters "AMQP" followed by a protocol id of three, followed by three unsigned bytes representing the major, minor, and revision of the specification version (currently 1 (SASL-MAJOR), 0 (SASLMINOR), 0 (SASL-REVISION)).] */
Azure.IoT Build 0:6ae2f7bca550 69 /* Codes_SRS_SASLCLIENTIO_01_124: [SASL-MAJOR 1 major protocol version.] */
Azure.IoT Build 0:6ae2f7bca550 70 /* Codes_SRS_SASLCLIENTIO_01_125: [SASL-MINOR 0 minor protocol version.] */
Azure.IoT Build 0:6ae2f7bca550 71 /* Codes_SRS_SASLCLIENTIO_01_126: [SASL-REVISION 0 protocol revision.] */
Azure.IoT Build 0:6ae2f7bca550 72 const unsigned char sasl_header[] = { 'A', 'M', 'Q', 'P', 3, 1, 0, 0 };
Azure.IoT Build 0:6ae2f7bca550 73
Azure.IoT Build 0:6ae2f7bca550 74 static void indicate_error(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 75 {
AzureIoTClient 6:641a9672db08 76 if (sasl_client_io_instance->on_io_error != NULL)
AzureIoTClient 6:641a9672db08 77 {
AzureIoTClient 6:641a9672db08 78 sasl_client_io_instance->on_io_error(sasl_client_io_instance->on_io_error_context);
AzureIoTClient 6:641a9672db08 79 }
Azure.IoT Build 0:6ae2f7bca550 80 }
Azure.IoT Build 0:6ae2f7bca550 81
Azure.IoT Build 0:6ae2f7bca550 82 static void indicate_open_complete(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 83 {
AzureIoTClient 6:641a9672db08 84 if (sasl_client_io_instance->on_io_open_complete != NULL)
AzureIoTClient 6:641a9672db08 85 {
AzureIoTClient 6:641a9672db08 86 sasl_client_io_instance->on_io_open_complete(sasl_client_io_instance->on_io_open_complete_context, open_result);
AzureIoTClient 6:641a9672db08 87 }
Azure.IoT Build 0:6ae2f7bca550 88 }
Azure.IoT Build 0:6ae2f7bca550 89
Azure.IoT Build 0:6ae2f7bca550 90 static void indicate_close_complete(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 91 {
AzureIoTClient 6:641a9672db08 92 if (sasl_client_io_instance->on_io_close_complete != NULL)
AzureIoTClient 6:641a9672db08 93 {
AzureIoTClient 6:641a9672db08 94 sasl_client_io_instance->on_io_close_complete(sasl_client_io_instance->on_io_close_complete_context);
AzureIoTClient 6:641a9672db08 95 }
Azure.IoT Build 0:6ae2f7bca550 96 }
Azure.IoT Build 0:6ae2f7bca550 97
Azure.IoT Build 0:6ae2f7bca550 98 static void on_underlying_io_close_complete(void* context)
Azure.IoT Build 0:6ae2f7bca550 99 {
AzureIoTClient 6:641a9672db08 100 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 101
AzureIoTClient 6:641a9672db08 102 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 103 {
AzureIoTClient 6:641a9672db08 104 default:
AzureIoTClient 6:641a9672db08 105 break;
Azure.IoT Build 0:6ae2f7bca550 106
AzureIoTClient 6:641a9672db08 107 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 108 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 109 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 110 indicate_open_complete(sasl_client_io_instance, IO_OPEN_ERROR);
AzureIoTClient 6:641a9672db08 111 break;
Azure.IoT Build 0:6ae2f7bca550 112
AzureIoTClient 6:641a9672db08 113 case IO_STATE_CLOSING:
AzureIoTClient 6:641a9672db08 114 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 115 indicate_close_complete(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 116 break;
AzureIoTClient 6:641a9672db08 117 }
Azure.IoT Build 0:6ae2f7bca550 118 }
Azure.IoT Build 0:6ae2f7bca550 119
Azure.IoT Build 0:6ae2f7bca550 120 static void handle_error(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 121 {
AzureIoTClient 6:641a9672db08 122 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 123 {
AzureIoTClient 6:641a9672db08 124 default:
AzureIoTClient 6:641a9672db08 125 case IO_STATE_NOT_OPEN:
AzureIoTClient 6:641a9672db08 126 break;
Azure.IoT Build 0:6ae2f7bca550 127
AzureIoTClient 6:641a9672db08 128 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 129 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 130 if (xio_close(sasl_client_io_instance->underlying_io, on_underlying_io_close_complete, sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 131 {
AzureIoTClient 6:641a9672db08 132 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 133 indicate_open_complete(sasl_client_io_instance, IO_OPEN_ERROR);
AzureIoTClient 6:641a9672db08 134 }
AzureIoTClient 6:641a9672db08 135 break;
Azure.IoT Build 0:6ae2f7bca550 136
AzureIoTClient 6:641a9672db08 137 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 138 sasl_client_io_instance->io_state = IO_STATE_ERROR;
AzureIoTClient 6:641a9672db08 139 indicate_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 140 break;
AzureIoTClient 6:641a9672db08 141 }
Azure.IoT Build 0:6ae2f7bca550 142 }
Azure.IoT Build 0:6ae2f7bca550 143
Azure.IoT Build 0:6ae2f7bca550 144 static int send_sasl_header(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 145 {
AzureIoTClient 6:641a9672db08 146 int result;
Azure.IoT Build 0:6ae2f7bca550 147
AzureIoTClient 6:641a9672db08 148 /* Codes_SRS_SASLCLIENTIO_01_078: [SASL client IO shall start the header exchange by sending the SASL header.] */
AzureIoTClient 6:641a9672db08 149 /* Codes_SRS_SASLCLIENTIO_01_095: [Sending the header shall be done by using xio_send.] */
AzureIoTClient 6:641a9672db08 150 if (xio_send(sasl_client_io_instance->underlying_io, sasl_header, sizeof(sasl_header), NULL, NULL) != 0)
AzureIoTClient 6:641a9672db08 151 {
AzureIoTClient 6:641a9672db08 152 result = __LINE__;
AzureIoTClient 6:641a9672db08 153 }
AzureIoTClient 6:641a9672db08 154 else
AzureIoTClient 6:641a9672db08 155 {
AzureIoTClient 6:641a9672db08 156 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 157 {
AzureIoTClient 16:22a72cf8e416 158 LOG(AZ_LOG_TRACE, LOG_LINE, "-> Header (AMQP 3.1.0.0)");
AzureIoTClient 6:641a9672db08 159 }
AzureIoTClient 6:641a9672db08 160 result = 0;
AzureIoTClient 6:641a9672db08 161 }
Azure.IoT Build 0:6ae2f7bca550 162
AzureIoTClient 6:641a9672db08 163 return result;
Azure.IoT Build 0:6ae2f7bca550 164 }
Azure.IoT Build 0:6ae2f7bca550 165
Azure.IoT Build 0:6ae2f7bca550 166 static void on_underlying_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 167 {
AzureIoTClient 6:641a9672db08 168 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 169
AzureIoTClient 6:641a9672db08 170 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 171 {
AzureIoTClient 6:641a9672db08 172 default:
AzureIoTClient 6:641a9672db08 173 break;
Azure.IoT Build 0:6ae2f7bca550 174
AzureIoTClient 6:641a9672db08 175 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 176 if (open_result == IO_OPEN_OK)
AzureIoTClient 6:641a9672db08 177 {
AzureIoTClient 6:641a9672db08 178 sasl_client_io_instance->io_state = IO_STATE_SASL_HANDSHAKE;
AzureIoTClient 6:641a9672db08 179 if (sasl_client_io_instance->sasl_header_exchange_state != SASL_HEADER_EXCHANGE_IDLE)
AzureIoTClient 6:641a9672db08 180 {
AzureIoTClient 6:641a9672db08 181 /* Codes_SRS_SASLCLIENTIO_01_116: [Any underlying IO state changes to state OPEN after the header exchange has been started shall trigger no action.] */
AzureIoTClient 6:641a9672db08 182 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 183 }
AzureIoTClient 6:641a9672db08 184 else
AzureIoTClient 6:641a9672db08 185 {
AzureIoTClient 6:641a9672db08 186 /* Codes_SRS_SASLCLIENTIO_01_105: [start header exchange] */
AzureIoTClient 6:641a9672db08 187 /* Codes_SRS_SASLCLIENTIO_01_001: [To establish a SASL layer, each peer MUST start by sending a protocol header.] */
AzureIoTClient 6:641a9672db08 188 if (send_sasl_header(sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 189 {
AzureIoTClient 6:641a9672db08 190 /* Codes_SRS_SASLCLIENTIO_01_073: [If the handshake fails (i.e. the outcome is an error) the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 191 /* Codes_SRS_SASLCLIENTIO_01_077: [If sending the SASL header fails, the SASL client IO state shall be set to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 192 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 193 }
AzureIoTClient 6:641a9672db08 194 else
AzureIoTClient 6:641a9672db08 195 {
AzureIoTClient 6:641a9672db08 196 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_SENT;
AzureIoTClient 6:641a9672db08 197 }
AzureIoTClient 6:641a9672db08 198 }
AzureIoTClient 6:641a9672db08 199 }
AzureIoTClient 6:641a9672db08 200 else
AzureIoTClient 6:641a9672db08 201 {
AzureIoTClient 6:641a9672db08 202 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 203 }
Azure.IoT Build 0:6ae2f7bca550 204
AzureIoTClient 6:641a9672db08 205 break;
AzureIoTClient 6:641a9672db08 206 }
Azure.IoT Build 0:6ae2f7bca550 207 }
Azure.IoT Build 0:6ae2f7bca550 208
Azure.IoT Build 0:6ae2f7bca550 209 static void on_underlying_io_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 210 {
AzureIoTClient 6:641a9672db08 211 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 212
AzureIoTClient 6:641a9672db08 213 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 214 {
AzureIoTClient 6:641a9672db08 215 default:
AzureIoTClient 6:641a9672db08 216 break;
Azure.IoT Build 0:6ae2f7bca550 217
AzureIoTClient 6:641a9672db08 218 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 219 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 220 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 221 indicate_open_complete(sasl_client_io_instance, IO_OPEN_ERROR);
AzureIoTClient 6:641a9672db08 222 break;
Azure.IoT Build 0:6ae2f7bca550 223
AzureIoTClient 6:641a9672db08 224 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 225 sasl_client_io_instance->io_state = IO_STATE_ERROR;
AzureIoTClient 6:641a9672db08 226 indicate_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 227 break;
AzureIoTClient 6:641a9672db08 228 }
Azure.IoT Build 0:6ae2f7bca550 229 }
Azure.IoT Build 0:6ae2f7bca550 230
Azure.IoT Build 0:6ae2f7bca550 231 static const char* get_frame_type_as_string(AMQP_VALUE descriptor)
Azure.IoT Build 0:6ae2f7bca550 232 {
AzureIoTClient 6:641a9672db08 233 const char* result;
Azure.IoT Build 0:6ae2f7bca550 234
AzureIoTClient 6:641a9672db08 235 if (is_sasl_mechanisms_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 236 {
AzureIoTClient 6:641a9672db08 237 result = "[SASL MECHANISMS]";
AzureIoTClient 6:641a9672db08 238 }
AzureIoTClient 6:641a9672db08 239 else if (is_sasl_init_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 240 {
AzureIoTClient 6:641a9672db08 241 result = "[SASL INIT]";
AzureIoTClient 6:641a9672db08 242 }
AzureIoTClient 6:641a9672db08 243 else if (is_sasl_challenge_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 244 {
AzureIoTClient 6:641a9672db08 245 result = "[SASL CHALLENGE]";
AzureIoTClient 6:641a9672db08 246 }
AzureIoTClient 6:641a9672db08 247 else if (is_sasl_response_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 248 {
AzureIoTClient 6:641a9672db08 249 result = "[SASL RESPONSE]";
AzureIoTClient 6:641a9672db08 250 }
AzureIoTClient 6:641a9672db08 251 else if (is_sasl_outcome_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 252 {
AzureIoTClient 6:641a9672db08 253 result = "[SASL OUTCOME]";
AzureIoTClient 6:641a9672db08 254 }
AzureIoTClient 6:641a9672db08 255 else
AzureIoTClient 6:641a9672db08 256 {
AzureIoTClient 6:641a9672db08 257 result = "[Unknown]";
AzureIoTClient 6:641a9672db08 258 }
Azure.IoT Build 0:6ae2f7bca550 259
AzureIoTClient 6:641a9672db08 260 return result;
Azure.IoT Build 0:6ae2f7bca550 261 }
Azure.IoT Build 0:6ae2f7bca550 262
AzureIoTClient 6:641a9672db08 263 static void log_incoming_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 264 {
AzureIoTClient 9:c22db038556c 265 #ifdef NO_LOGGING
AzureIoTClient 9:c22db038556c 266 UNUSED(performative);
AzureIoTClient 9:c22db038556c 267 #else
AzureIoTClient 6:641a9672db08 268 if (xlogging_get_log_function() != NULL)
AzureIoTClient 6:641a9672db08 269 {
AzureIoTClient 6:641a9672db08 270 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 6:641a9672db08 271 if (descriptor != NULL)
AzureIoTClient 6:641a9672db08 272 {
AzureIoTClient 16:22a72cf8e416 273 LOG(AZ_LOG_TRACE, 0, "<- ");
AzureIoTClient 16:22a72cf8e416 274 LOG(AZ_LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 6:641a9672db08 275 char* performative_as_string = NULL;
AzureIoTClient 16:22a72cf8e416 276 LOG(AZ_LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 6:641a9672db08 277 if (performative_as_string != NULL)
AzureIoTClient 6:641a9672db08 278 {
AzureIoTClient 6:641a9672db08 279 amqpalloc_free(performative_as_string);
AzureIoTClient 6:641a9672db08 280 }
AzureIoTClient 6:641a9672db08 281 }
AzureIoTClient 6:641a9672db08 282 }
AzureIoTClient 9:c22db038556c 283 #endif
Azure.IoT Build 0:6ae2f7bca550 284 }
Azure.IoT Build 0:6ae2f7bca550 285
AzureIoTClient 6:641a9672db08 286 static void log_outgoing_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 287 {
AzureIoTClient 9:c22db038556c 288 #ifdef NO_LOGGING
AzureIoTClient 9:c22db038556c 289 UNUSED(performative);
AzureIoTClient 9:c22db038556c 290 #else
AzureIoTClient 6:641a9672db08 291 if (xlogging_get_log_function() != NULL)
AzureIoTClient 6:641a9672db08 292 {
AzureIoTClient 6:641a9672db08 293 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 6:641a9672db08 294 if (descriptor != NULL)
AzureIoTClient 6:641a9672db08 295 {
AzureIoTClient 16:22a72cf8e416 296 LOG(AZ_LOG_TRACE, 0, "-> ");
AzureIoTClient 16:22a72cf8e416 297 LOG(AZ_LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 6:641a9672db08 298 char* performative_as_string = NULL;
AzureIoTClient 16:22a72cf8e416 299 LOG(AZ_LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 6:641a9672db08 300 if (performative_as_string != NULL)
AzureIoTClient 6:641a9672db08 301 {
AzureIoTClient 6:641a9672db08 302 amqpalloc_free(performative_as_string);
AzureIoTClient 6:641a9672db08 303 }
AzureIoTClient 6:641a9672db08 304 }
AzureIoTClient 6:641a9672db08 305 }
AzureIoTClient 9:c22db038556c 306 #endif
Azure.IoT Build 0:6ae2f7bca550 307 }
Azure.IoT Build 0:6ae2f7bca550 308
Azure.IoT Build 0:6ae2f7bca550 309 static int saslclientio_receive_byte(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance, unsigned char b)
Azure.IoT Build 0:6ae2f7bca550 310 {
AzureIoTClient 6:641a9672db08 311 int result;
Azure.IoT Build 0:6ae2f7bca550 312
AzureIoTClient 6:641a9672db08 313 switch (sasl_client_io_instance->sasl_header_exchange_state)
AzureIoTClient 6:641a9672db08 314 {
AzureIoTClient 6:641a9672db08 315 default:
AzureIoTClient 6:641a9672db08 316 result = __LINE__;
AzureIoTClient 6:641a9672db08 317 break;
Azure.IoT Build 0:6ae2f7bca550 318
AzureIoTClient 6:641a9672db08 319 case SASL_HEADER_EXCHANGE_HEADER_EXCH:
AzureIoTClient 6:641a9672db08 320 switch (sasl_client_io_instance->sasl_client_negotiation_state)
AzureIoTClient 6:641a9672db08 321 {
AzureIoTClient 6:641a9672db08 322 case SASL_CLIENT_NEGOTIATION_ERROR:
AzureIoTClient 6:641a9672db08 323 result = __LINE__;
AzureIoTClient 6:641a9672db08 324 break;
Azure.IoT Build 0:6ae2f7bca550 325
AzureIoTClient 6:641a9672db08 326 default:
AzureIoTClient 6:641a9672db08 327 /* Codes_SRS_SASLCLIENTIO_01_068: [During the SASL frame exchange that constitutes the handshake the received bytes from the underlying IO shall be fed to the frame_codec instance created in saslclientio_create by calling frame_codec_receive_bytes.] */
AzureIoTClient 6:641a9672db08 328 if (frame_codec_receive_bytes(sasl_client_io_instance->frame_codec, &b, 1) != 0)
AzureIoTClient 6:641a9672db08 329 {
AzureIoTClient 6:641a9672db08 330 /* Codes_SRS_SASLCLIENTIO_01_088: [If frame_codec_receive_bytes fails, the state of SASL client IO shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 331 result = __LINE__;
AzureIoTClient 6:641a9672db08 332 }
AzureIoTClient 6:641a9672db08 333 else
AzureIoTClient 6:641a9672db08 334 {
AzureIoTClient 6:641a9672db08 335 result = 0;
AzureIoTClient 6:641a9672db08 336 }
Azure.IoT Build 0:6ae2f7bca550 337
AzureIoTClient 6:641a9672db08 338 break;
Azure.IoT Build 0:6ae2f7bca550 339
AzureIoTClient 6:641a9672db08 340 case SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD:
AzureIoTClient 6:641a9672db08 341 sasl_client_io_instance->on_bytes_received(sasl_client_io_instance->on_bytes_received_context, &b, 1);
AzureIoTClient 6:641a9672db08 342 result = 0;
AzureIoTClient 6:641a9672db08 343 break;
AzureIoTClient 6:641a9672db08 344 }
Azure.IoT Build 0:6ae2f7bca550 345
AzureIoTClient 6:641a9672db08 346 break;
Azure.IoT Build 0:6ae2f7bca550 347
AzureIoTClient 6:641a9672db08 348 /* Codes_SRS_SASLCLIENTIO_01_003: [Other than using a protocol id of three, the exchange of SASL layer headers follows the same rules specified in the version negotiation section of the transport specification (See Part 2: section 2.2).] */
AzureIoTClient 6:641a9672db08 349 case SASL_HEADER_EXCHANGE_IDLE:
AzureIoTClient 6:641a9672db08 350 case SASL_HEADER_EXCHANGE_HEADER_SENT:
AzureIoTClient 6:641a9672db08 351 if (b != sasl_header[sasl_client_io_instance->header_bytes_received])
AzureIoTClient 6:641a9672db08 352 {
AzureIoTClient 6:641a9672db08 353 result = __LINE__;
AzureIoTClient 6:641a9672db08 354 }
AzureIoTClient 6:641a9672db08 355 else
AzureIoTClient 6:641a9672db08 356 {
AzureIoTClient 6:641a9672db08 357 sasl_client_io_instance->header_bytes_received++;
AzureIoTClient 6:641a9672db08 358 if (sasl_client_io_instance->header_bytes_received == sizeof(sasl_header))
AzureIoTClient 6:641a9672db08 359 {
AzureIoTClient 6:641a9672db08 360 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 361 {
AzureIoTClient 16:22a72cf8e416 362 LOG(AZ_LOG_TRACE, LOG_LINE, "<- Header (AMQP 3.1.0.0)");
AzureIoTClient 6:641a9672db08 363 }
Azure.IoT Build 0:6ae2f7bca550 364
AzureIoTClient 6:641a9672db08 365 switch (sasl_client_io_instance->sasl_header_exchange_state)
AzureIoTClient 6:641a9672db08 366 {
AzureIoTClient 6:641a9672db08 367 default:
AzureIoTClient 6:641a9672db08 368 result = __LINE__;
AzureIoTClient 6:641a9672db08 369 break;
AzureIoTClient 6:641a9672db08 370
AzureIoTClient 6:641a9672db08 371 case SASL_HEADER_EXCHANGE_HEADER_SENT:
AzureIoTClient 6:641a9672db08 372 /* from this point on we need to decode SASL frames */
AzureIoTClient 6:641a9672db08 373 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_EXCH;
AzureIoTClient 6:641a9672db08 374 result = 0;
AzureIoTClient 6:641a9672db08 375 break;
Azure.IoT Build 0:6ae2f7bca550 376
AzureIoTClient 6:641a9672db08 377 case SASL_HEADER_EXCHANGE_IDLE:
AzureIoTClient 6:641a9672db08 378 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_RCVD;
AzureIoTClient 6:641a9672db08 379 if (send_sasl_header(sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 380 {
AzureIoTClient 6:641a9672db08 381 /* Codes_SRS_SASLCLIENTIO_01_077: [If sending the SASL header fails, the SASL client IO state shall be set to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 382 result = __LINE__;
AzureIoTClient 6:641a9672db08 383 }
AzureIoTClient 6:641a9672db08 384 else
AzureIoTClient 6:641a9672db08 385 {
AzureIoTClient 6:641a9672db08 386 result = 0;
AzureIoTClient 6:641a9672db08 387 }
Azure.IoT Build 0:6ae2f7bca550 388
AzureIoTClient 6:641a9672db08 389 break;
AzureIoTClient 6:641a9672db08 390 }
AzureIoTClient 6:641a9672db08 391 }
AzureIoTClient 6:641a9672db08 392 else
AzureIoTClient 6:641a9672db08 393 {
AzureIoTClient 6:641a9672db08 394 result = 0;
AzureIoTClient 6:641a9672db08 395 }
AzureIoTClient 6:641a9672db08 396 }
Azure.IoT Build 0:6ae2f7bca550 397
AzureIoTClient 6:641a9672db08 398 break;
AzureIoTClient 6:641a9672db08 399 }
AzureIoTClient 6:641a9672db08 400
AzureIoTClient 6:641a9672db08 401 return result;
Azure.IoT Build 0:6ae2f7bca550 402 }
Azure.IoT Build 0:6ae2f7bca550 403
Azure.IoT Build 0:6ae2f7bca550 404 static void on_underlying_io_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:6ae2f7bca550 405 {
AzureIoTClient 6:641a9672db08 406 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 407
AzureIoTClient 6:641a9672db08 408 /* Codes_SRS_SASLCLIENTIO_01_028: [If buffer is NULL or size is zero, nothing should be indicated as received and the saslio state shall be switched to ERROR the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 409 if ((buffer == NULL) ||
AzureIoTClient 6:641a9672db08 410 (size == 0))
AzureIoTClient 6:641a9672db08 411 {
AzureIoTClient 6:641a9672db08 412 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 413 }
AzureIoTClient 6:641a9672db08 414 else
AzureIoTClient 6:641a9672db08 415 {
AzureIoTClient 6:641a9672db08 416 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 417 {
AzureIoTClient 6:641a9672db08 418 default:
AzureIoTClient 6:641a9672db08 419 break;
Azure.IoT Build 0:6ae2f7bca550 420
AzureIoTClient 6:641a9672db08 421 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 422 /* Codes_SRS_SASLCLIENTIO_01_027: [When the on_bytes_received callback passed to the underlying IO is called and the SASL client IO state is IO_STATE_OPEN, the bytes shall be indicated to the user of SASL client IO by calling the on_bytes_received that was passed in saslclientio_open.] */
AzureIoTClient 6:641a9672db08 423 /* Codes_SRS_SASLCLIENTIO_01_029: [The context argument shall be set to the callback_context passed in saslclientio_open.] */
AzureIoTClient 6:641a9672db08 424 sasl_client_io_instance->on_bytes_received(sasl_client_io_instance->on_bytes_received_context, buffer, size);
AzureIoTClient 6:641a9672db08 425 break;
Azure.IoT Build 0:6ae2f7bca550 426
AzureIoTClient 6:641a9672db08 427 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 428 {
AzureIoTClient 6:641a9672db08 429 size_t i;
Azure.IoT Build 0:6ae2f7bca550 430
AzureIoTClient 6:641a9672db08 431 for (i = 0; i < size; i++)
AzureIoTClient 6:641a9672db08 432 {
AzureIoTClient 6:641a9672db08 433 if (saslclientio_receive_byte(sasl_client_io_instance, buffer[i]) != 0)
AzureIoTClient 6:641a9672db08 434 {
AzureIoTClient 6:641a9672db08 435 break;
AzureIoTClient 6:641a9672db08 436 }
AzureIoTClient 6:641a9672db08 437 }
Azure.IoT Build 0:6ae2f7bca550 438
AzureIoTClient 6:641a9672db08 439 if (i < size)
AzureIoTClient 6:641a9672db08 440 {
AzureIoTClient 6:641a9672db08 441 /* Codes_SRS_SASLCLIENTIO_01_073: [If the handshake fails (i.e. the outcome is an error) the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 442 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 443 }
Azure.IoT Build 0:6ae2f7bca550 444
AzureIoTClient 6:641a9672db08 445 break;
AzureIoTClient 6:641a9672db08 446 }
Azure.IoT Build 0:6ae2f7bca550 447
AzureIoTClient 6:641a9672db08 448 case IO_STATE_ERROR:
AzureIoTClient 6:641a9672db08 449 /* Codes_SRS_SASLCLIENTIO_01_031: [If bytes are received when the SASL client IO state is IO_STATE_ERROR, SASL client IO shall do nothing.] */
AzureIoTClient 6:641a9672db08 450 break;
AzureIoTClient 6:641a9672db08 451 }
AzureIoTClient 6:641a9672db08 452 }
Azure.IoT Build 0:6ae2f7bca550 453 }
Azure.IoT Build 0:6ae2f7bca550 454
Azure.IoT Build 0:6ae2f7bca550 455 static void on_bytes_encoded(void* context, const unsigned char* bytes, size_t length, bool encode_complete)
Azure.IoT Build 0:6ae2f7bca550 456 {
AzureIoTClient 6:641a9672db08 457 (void)encode_complete;
Azure.IoT Build 0:6ae2f7bca550 458
AzureIoTClient 6:641a9672db08 459 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 460
AzureIoTClient 6:641a9672db08 461 /* Codes_SRS_SASLCLIENTIO_01_120: [When SASL client IO is notified by sasl_frame_codec of bytes that have been encoded via the on_bytes_encoded callback and SASL client IO is in the state OPENING, SASL client IO shall send these bytes by using xio_send.] */
AzureIoTClient 6:641a9672db08 462 if (xio_send(sasl_client_io_instance->underlying_io, bytes, length, NULL, NULL) != 0)
AzureIoTClient 6:641a9672db08 463 {
AzureIoTClient 6:641a9672db08 464 /* Codes_SRS_SASLCLIENTIO_01_121: [If xio_send fails, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 465 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 466 }
Azure.IoT Build 0:6ae2f7bca550 467 }
Azure.IoT Build 0:6ae2f7bca550 468
Azure.IoT Build 0:6ae2f7bca550 469 static int send_sasl_init(SASL_CLIENT_IO_INSTANCE* sasl_client_io, const char* sasl_mechanism_name)
Azure.IoT Build 0:6ae2f7bca550 470 {
AzureIoTClient 6:641a9672db08 471 int result;
Azure.IoT Build 0:6ae2f7bca550 472
AzureIoTClient 6:641a9672db08 473 SASL_INIT_HANDLE sasl_init;
AzureIoTClient 6:641a9672db08 474 SASL_MECHANISM_BYTES init_bytes;
Azure.IoT Build 0:6ae2f7bca550 475
AzureIoTClient 6:641a9672db08 476 /* Codes_SRS_SASLCLIENTIO_01_045: [The name of the SASL mechanism used for the SASL exchange.] */
AzureIoTClient 6:641a9672db08 477 sasl_init = sasl_init_create(sasl_mechanism_name);
AzureIoTClient 6:641a9672db08 478 if (sasl_init == NULL)
AzureIoTClient 6:641a9672db08 479 {
AzureIoTClient 6:641a9672db08 480 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 481 result = __LINE__;
AzureIoTClient 6:641a9672db08 482 }
AzureIoTClient 6:641a9672db08 483 else
AzureIoTClient 6:641a9672db08 484 {
AzureIoTClient 6:641a9672db08 485 /* Codes_SRS_SASLCLIENTIO_01_048: [The contents of this data are defined by the SASL security mechanism.] */
AzureIoTClient 6:641a9672db08 486 if (saslmechanism_get_init_bytes(sasl_client_io->sasl_mechanism, &init_bytes) != 0)
AzureIoTClient 6:641a9672db08 487 {
AzureIoTClient 6:641a9672db08 488 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 489 result = __LINE__;
AzureIoTClient 6:641a9672db08 490 }
AzureIoTClient 6:641a9672db08 491 else
AzureIoTClient 6:641a9672db08 492 {
AzureIoTClient 6:641a9672db08 493 amqp_binary creds;
AzureIoTClient 6:641a9672db08 494 creds.bytes = init_bytes.bytes;
AzureIoTClient 6:641a9672db08 495 creds.length = init_bytes.length;
AzureIoTClient 6:641a9672db08 496 if ((init_bytes.length > 0) &&
AzureIoTClient 6:641a9672db08 497 /* Codes_SRS_SASLCLIENTIO_01_047: [A block of opaque data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 498 (sasl_init_set_initial_response(sasl_init, creds) != 0))
AzureIoTClient 6:641a9672db08 499 {
AzureIoTClient 6:641a9672db08 500 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 501 result = __LINE__;
AzureIoTClient 6:641a9672db08 502 }
AzureIoTClient 6:641a9672db08 503 else
AzureIoTClient 6:641a9672db08 504 {
AzureIoTClient 6:641a9672db08 505 AMQP_VALUE sasl_init_value = amqpvalue_create_sasl_init(sasl_init);
AzureIoTClient 6:641a9672db08 506 if (sasl_init_value == NULL)
AzureIoTClient 6:641a9672db08 507 {
AzureIoTClient 6:641a9672db08 508 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 509 result = __LINE__;
AzureIoTClient 6:641a9672db08 510 }
AzureIoTClient 6:641a9672db08 511 else
AzureIoTClient 6:641a9672db08 512 {
AzureIoTClient 6:641a9672db08 513 /* Codes_SRS_SASLCLIENTIO_01_070: [When a frame needs to be sent as part of the SASL handshake frame exchange, the send shall be done by calling sasl_frame_codec_encode_frame.] */
AzureIoTClient 6:641a9672db08 514 if (sasl_frame_codec_encode_frame(sasl_client_io->sasl_frame_codec, sasl_init_value, on_bytes_encoded, sasl_client_io) != 0)
AzureIoTClient 6:641a9672db08 515 {
AzureIoTClient 6:641a9672db08 516 /* Codes_SRS_SASLCLIENTIO_01_071: [If sasl_frame_codec_encode_frame fails, then the state of SASL client IO shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 517 result = __LINE__;
AzureIoTClient 6:641a9672db08 518 }
AzureIoTClient 6:641a9672db08 519 else
AzureIoTClient 6:641a9672db08 520 {
AzureIoTClient 6:641a9672db08 521 if (sasl_client_io->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 522 {
AzureIoTClient 6:641a9672db08 523 log_outgoing_frame(sasl_init_value);
AzureIoTClient 6:641a9672db08 524 }
Azure.IoT Build 0:6ae2f7bca550 525
AzureIoTClient 6:641a9672db08 526 result = 0;
AzureIoTClient 6:641a9672db08 527 }
Azure.IoT Build 0:6ae2f7bca550 528
AzureIoTClient 6:641a9672db08 529 amqpvalue_destroy(sasl_init_value);
AzureIoTClient 6:641a9672db08 530 }
AzureIoTClient 6:641a9672db08 531 }
AzureIoTClient 6:641a9672db08 532 }
Azure.IoT Build 0:6ae2f7bca550 533
AzureIoTClient 6:641a9672db08 534 sasl_init_destroy(sasl_init);
AzureIoTClient 6:641a9672db08 535 }
Azure.IoT Build 0:6ae2f7bca550 536
AzureIoTClient 6:641a9672db08 537 return result;
Azure.IoT Build 0:6ae2f7bca550 538 }
Azure.IoT Build 0:6ae2f7bca550 539
Azure.IoT Build 0:6ae2f7bca550 540 static int send_sasl_response(SASL_CLIENT_IO_INSTANCE* sasl_client_io, SASL_MECHANISM_BYTES sasl_response)
Azure.IoT Build 0:6ae2f7bca550 541 {
AzureIoTClient 6:641a9672db08 542 int result;
Azure.IoT Build 0:6ae2f7bca550 543
AzureIoTClient 6:641a9672db08 544 SASL_RESPONSE_HANDLE sasl_response_handle;
AzureIoTClient 6:641a9672db08 545 amqp_binary response_binary_value;
AzureIoTClient 6:641a9672db08 546
AzureIoTClient 6:641a9672db08 547 response_binary_value.bytes = sasl_response.bytes;
AzureIoTClient 6:641a9672db08 548 response_binary_value.length = sasl_response.length;
Azure.IoT Build 0:6ae2f7bca550 549
AzureIoTClient 6:641a9672db08 550 /* Codes_SRS_SASLCLIENTIO_01_055: [Send the SASL response data as defined by the SASL specification.] */
AzureIoTClient 6:641a9672db08 551 /* Codes_SRS_SASLCLIENTIO_01_056: [A block of opaque data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 552 if ((sasl_response_handle = sasl_response_create(response_binary_value)) == NULL)
AzureIoTClient 6:641a9672db08 553 {
AzureIoTClient 6:641a9672db08 554 result = __LINE__;
AzureIoTClient 6:641a9672db08 555 }
AzureIoTClient 6:641a9672db08 556 else
AzureIoTClient 6:641a9672db08 557 {
AzureIoTClient 6:641a9672db08 558 AMQP_VALUE sasl_response_value = amqpvalue_create_sasl_response(sasl_response_handle);
AzureIoTClient 6:641a9672db08 559 if (sasl_response_value == NULL)
AzureIoTClient 6:641a9672db08 560 {
AzureIoTClient 6:641a9672db08 561 result = __LINE__;
AzureIoTClient 6:641a9672db08 562 }
AzureIoTClient 6:641a9672db08 563 else
AzureIoTClient 6:641a9672db08 564 {
AzureIoTClient 6:641a9672db08 565 /* Codes_SRS_SASLCLIENTIO_01_070: [When a frame needs to be sent as part of the SASL handshake frame exchange, the send shall be done by calling sasl_frame_codec_encode_frame.] */
AzureIoTClient 6:641a9672db08 566 if (sasl_frame_codec_encode_frame(sasl_client_io->sasl_frame_codec, sasl_response_value, on_bytes_encoded, sasl_client_io) != 0)
AzureIoTClient 6:641a9672db08 567 {
AzureIoTClient 6:641a9672db08 568 result = __LINE__;
AzureIoTClient 6:641a9672db08 569 }
AzureIoTClient 6:641a9672db08 570 else
AzureIoTClient 6:641a9672db08 571 {
AzureIoTClient 6:641a9672db08 572 if (sasl_client_io->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 573 {
AzureIoTClient 6:641a9672db08 574 log_outgoing_frame(sasl_response_value);
AzureIoTClient 6:641a9672db08 575 }
AzureIoTClient 6:641a9672db08 576 result = 0;
AzureIoTClient 6:641a9672db08 577 }
Azure.IoT Build 0:6ae2f7bca550 578
AzureIoTClient 6:641a9672db08 579 amqpvalue_destroy(sasl_response_value);
AzureIoTClient 6:641a9672db08 580 }
Azure.IoT Build 0:6ae2f7bca550 581
AzureIoTClient 6:641a9672db08 582 sasl_response_destroy(sasl_response_handle);
AzureIoTClient 6:641a9672db08 583 }
Azure.IoT Build 0:6ae2f7bca550 584
AzureIoTClient 6:641a9672db08 585 return result;
Azure.IoT Build 0:6ae2f7bca550 586 }
Azure.IoT Build 0:6ae2f7bca550 587
Azure.IoT Build 0:6ae2f7bca550 588 static void sasl_frame_received_callback(void* context, AMQP_VALUE sasl_frame)
Azure.IoT Build 0:6ae2f7bca550 589 {
AzureIoTClient 6:641a9672db08 590 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 591
AzureIoTClient 6:641a9672db08 592 /* Codes_SRS_SASLCLIENTIO_01_067: [The SASL frame exchange shall be started as soon as the SASL header handshake is done.] */
AzureIoTClient 6:641a9672db08 593 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 594 {
AzureIoTClient 6:641a9672db08 595 default:
AzureIoTClient 6:641a9672db08 596 break;
Azure.IoT Build 0:6ae2f7bca550 597
AzureIoTClient 6:641a9672db08 598 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 599 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 600 case IO_STATE_CLOSING:
AzureIoTClient 6:641a9672db08 601 /* Codes_SRS_SASLCLIENTIO_01_117: [If on_sasl_frame_received_callback is called when the state of the IO is OPEN then the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 602 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 603 break;
Azure.IoT Build 0:6ae2f7bca550 604
AzureIoTClient 6:641a9672db08 605 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 606 if (sasl_client_io_instance->sasl_header_exchange_state != SASL_HEADER_EXCHANGE_HEADER_EXCH)
AzureIoTClient 6:641a9672db08 607 {
AzureIoTClient 6:641a9672db08 608 /* Codes_SRS_SASLCLIENTIO_01_118: [If on_sasl_frame_received_callback is called in the OPENING state but the header exchange has not yet been completed, then the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 609 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 610 }
AzureIoTClient 6:641a9672db08 611 else
AzureIoTClient 6:641a9672db08 612 {
AzureIoTClient 6:641a9672db08 613 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(sasl_frame);
AzureIoTClient 6:641a9672db08 614 if (descriptor == NULL)
AzureIoTClient 6:641a9672db08 615 {
AzureIoTClient 6:641a9672db08 616 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 617 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 618 }
AzureIoTClient 6:641a9672db08 619 else
AzureIoTClient 6:641a9672db08 620 {
AzureIoTClient 6:641a9672db08 621 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 622 {
AzureIoTClient 6:641a9672db08 623 log_incoming_frame(sasl_frame);
AzureIoTClient 6:641a9672db08 624 }
Azure.IoT Build 0:6ae2f7bca550 625
AzureIoTClient 6:641a9672db08 626 /* Codes_SRS_SASLCLIENTIO_01_032: [The peer acting as the SASL server MUST announce supported authentication mechanisms using the sasl-mechanisms frame.] */
AzureIoTClient 6:641a9672db08 627 /* Codes_SRS_SASLCLIENTIO_01_040: [The peer playing the role of the SASL client and the peer playing the role of the SASL server MUST correspond to the TCP client and server respectively.] */
AzureIoTClient 6:641a9672db08 628 /* Codes_SRS_SASLCLIENTIO_01_034: [<-- SASL-MECHANISMS] */
AzureIoTClient 6:641a9672db08 629 if (is_sasl_mechanisms_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 630 {
AzureIoTClient 6:641a9672db08 631 switch (sasl_client_io_instance->sasl_client_negotiation_state)
AzureIoTClient 6:641a9672db08 632 {
AzureIoTClient 17:923575db8b2d 633 default:
AzureIoTClient 17:923575db8b2d 634 handle_error(sasl_client_io_instance);
AzureIoTClient 17:923575db8b2d 635 break;
AzureIoTClient 17:923575db8b2d 636
AzureIoTClient 6:641a9672db08 637 case SASL_CLIENT_NEGOTIATION_NOT_STARTED:
AzureIoTClient 6:641a9672db08 638 {
AzureIoTClient 6:641a9672db08 639 SASL_MECHANISMS_HANDLE sasl_mechanisms_handle;
Azure.IoT Build 0:6ae2f7bca550 640
AzureIoTClient 6:641a9672db08 641 if (amqpvalue_get_sasl_mechanisms(sasl_frame, &sasl_mechanisms_handle) != 0)
AzureIoTClient 6:641a9672db08 642 {
AzureIoTClient 6:641a9672db08 643 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 644 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 645 }
AzureIoTClient 6:641a9672db08 646 else
AzureIoTClient 6:641a9672db08 647 {
AzureIoTClient 6:641a9672db08 648 AMQP_VALUE sasl_server_mechanisms;
AzureIoTClient 6:641a9672db08 649 uint32_t mechanisms_count;
Azure.IoT Build 0:6ae2f7bca550 650
AzureIoTClient 6:641a9672db08 651 if ((sasl_mechanisms_get_sasl_server_mechanisms(sasl_mechanisms_handle, &sasl_server_mechanisms) != 0) ||
AzureIoTClient 6:641a9672db08 652 (amqpvalue_get_array_item_count(sasl_server_mechanisms, &mechanisms_count) != 0) ||
AzureIoTClient 6:641a9672db08 653 (mechanisms_count == 0))
AzureIoTClient 6:641a9672db08 654 {
AzureIoTClient 6:641a9672db08 655 /* Codes_SRS_SASLCLIENTIO_01_042: [It is invalid for this list to be null or empty.] */
AzureIoTClient 6:641a9672db08 656 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 657 }
AzureIoTClient 6:641a9672db08 658 else
AzureIoTClient 6:641a9672db08 659 {
AzureIoTClient 6:641a9672db08 660 const char* sasl_mechanism_name = saslmechanism_get_mechanism_name(sasl_client_io_instance->sasl_mechanism);
AzureIoTClient 6:641a9672db08 661 if (sasl_mechanism_name == NULL)
AzureIoTClient 6:641a9672db08 662 {
AzureIoTClient 6:641a9672db08 663 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 664 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 665 }
AzureIoTClient 6:641a9672db08 666 else
AzureIoTClient 6:641a9672db08 667 {
AzureIoTClient 6:641a9672db08 668 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 669
AzureIoTClient 6:641a9672db08 670 for (i = 0; i < mechanisms_count; i++)
AzureIoTClient 6:641a9672db08 671 {
AzureIoTClient 6:641a9672db08 672 AMQP_VALUE sasl_server_mechanism;
AzureIoTClient 6:641a9672db08 673 sasl_server_mechanism = amqpvalue_get_array_item(sasl_server_mechanisms, i);
AzureIoTClient 6:641a9672db08 674 if (sasl_server_mechanism == NULL)
AzureIoTClient 6:641a9672db08 675 {
AzureIoTClient 6:641a9672db08 676 i = mechanisms_count;
AzureIoTClient 6:641a9672db08 677 }
AzureIoTClient 6:641a9672db08 678 else
AzureIoTClient 6:641a9672db08 679 {
AzureIoTClient 6:641a9672db08 680 const char* sasl_server_mechanism_name;
AzureIoTClient 6:641a9672db08 681 if (amqpvalue_get_symbol(sasl_server_mechanism, &sasl_server_mechanism_name) != 0)
AzureIoTClient 6:641a9672db08 682 {
AzureIoTClient 6:641a9672db08 683 i = mechanisms_count;
AzureIoTClient 6:641a9672db08 684 }
AzureIoTClient 6:641a9672db08 685 else
AzureIoTClient 6:641a9672db08 686 {
AzureIoTClient 6:641a9672db08 687 if (strcmp(sasl_mechanism_name, sasl_server_mechanism_name) == 0)
AzureIoTClient 6:641a9672db08 688 {
Azure.IoT Build 0:6ae2f7bca550 689 amqpvalue_destroy(sasl_server_mechanism);
Azure.IoT Build 0:6ae2f7bca550 690 break;
AzureIoTClient 6:641a9672db08 691 }
AzureIoTClient 6:641a9672db08 692 }
Azure.IoT Build 0:6ae2f7bca550 693
Azure.IoT Build 0:6ae2f7bca550 694 amqpvalue_destroy(sasl_server_mechanism);
Azure.IoT Build 0:6ae2f7bca550 695 }
AzureIoTClient 6:641a9672db08 696 }
Azure.IoT Build 0:6ae2f7bca550 697
AzureIoTClient 6:641a9672db08 698 if (i == mechanisms_count)
AzureIoTClient 6:641a9672db08 699 {
AzureIoTClient 6:641a9672db08 700 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 701 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 702 }
AzureIoTClient 6:641a9672db08 703 else
AzureIoTClient 6:641a9672db08 704 {
AzureIoTClient 6:641a9672db08 705 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_MECH_RCVD;
Azure.IoT Build 0:6ae2f7bca550 706
AzureIoTClient 6:641a9672db08 707 /* Codes_SRS_SASLCLIENTIO_01_035: [SASL-INIT -->] */
AzureIoTClient 6:641a9672db08 708 /* Codes_SRS_SASLCLIENTIO_01_033: [The partner MUST then choose one of the supported mechanisms and initiate a sasl exchange.] */
AzureIoTClient 6:641a9672db08 709 /* Codes_SRS_SASLCLIENTIO_01_054: [Selects the sasl mechanism and provides the initial response if needed.] */
AzureIoTClient 6:641a9672db08 710 if (send_sasl_init(sasl_client_io_instance, sasl_mechanism_name) != 0)
AzureIoTClient 6:641a9672db08 711 {
AzureIoTClient 6:641a9672db08 712 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 713 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 714 }
AzureIoTClient 6:641a9672db08 715 else
AzureIoTClient 6:641a9672db08 716 {
AzureIoTClient 6:641a9672db08 717 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_INIT_SENT;
AzureIoTClient 6:641a9672db08 718 }
AzureIoTClient 6:641a9672db08 719 }
AzureIoTClient 6:641a9672db08 720 }
AzureIoTClient 6:641a9672db08 721 }
Azure.IoT Build 0:6ae2f7bca550 722
AzureIoTClient 6:641a9672db08 723 sasl_mechanisms_destroy(sasl_mechanisms_handle);
AzureIoTClient 6:641a9672db08 724 }
Azure.IoT Build 0:6ae2f7bca550 725
AzureIoTClient 6:641a9672db08 726 break;
AzureIoTClient 6:641a9672db08 727 }
AzureIoTClient 6:641a9672db08 728 }
AzureIoTClient 6:641a9672db08 729 }
AzureIoTClient 6:641a9672db08 730 /* Codes_SRS_SASLCLIENTIO_01_052: [Send the SASL challenge data as defined by the SASL specification.] */
AzureIoTClient 6:641a9672db08 731 /* Codes_SRS_SASLCLIENTIO_01_036: [<-- SASL-CHALLENGE *] */
AzureIoTClient 6:641a9672db08 732 /* Codes_SRS_SASLCLIENTIO_01_039: [the SASL challenge/response step can occur zero or more times depending on the details of the SASL mechanism chosen.] */
AzureIoTClient 6:641a9672db08 733 else if (is_sasl_challenge_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 734 {
AzureIoTClient 6:641a9672db08 735 /* Codes_SRS_SASLCLIENTIO_01_032: [The peer acting as the SASL server MUST announce supported authentication mechanisms using the sasl-mechanisms frame.] */
AzureIoTClient 6:641a9672db08 736 if ((sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_INIT_SENT) &&
AzureIoTClient 6:641a9672db08 737 (sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_RESPONSE_SENT))
AzureIoTClient 6:641a9672db08 738 {
AzureIoTClient 6:641a9672db08 739 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 740 }
AzureIoTClient 6:641a9672db08 741 else
AzureIoTClient 6:641a9672db08 742 {
AzureIoTClient 6:641a9672db08 743 SASL_CHALLENGE_HANDLE sasl_challenge_handle;
Azure.IoT Build 0:6ae2f7bca550 744
AzureIoTClient 6:641a9672db08 745 if (amqpvalue_get_sasl_challenge(sasl_frame, &sasl_challenge_handle) != 0)
AzureIoTClient 6:641a9672db08 746 {
AzureIoTClient 6:641a9672db08 747 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 748 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 749 }
AzureIoTClient 6:641a9672db08 750 else
AzureIoTClient 6:641a9672db08 751 {
AzureIoTClient 6:641a9672db08 752 amqp_binary challenge_binary_value;
AzureIoTClient 6:641a9672db08 753 SASL_MECHANISM_BYTES response_bytes;
Azure.IoT Build 0:6ae2f7bca550 754
AzureIoTClient 6:641a9672db08 755 /* Codes_SRS_SASLCLIENTIO_01_053: [Challenge information, a block of opaque binary data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 756 if (sasl_challenge_get_challenge(sasl_challenge_handle, &challenge_binary_value) != 0)
AzureIoTClient 6:641a9672db08 757 {
AzureIoTClient 6:641a9672db08 758 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 759 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 760 }
AzureIoTClient 6:641a9672db08 761 else
AzureIoTClient 6:641a9672db08 762 {
AzureIoTClient 6:641a9672db08 763 SASL_MECHANISM_BYTES challenge;
AzureIoTClient 6:641a9672db08 764
AzureIoTClient 6:641a9672db08 765 challenge.bytes = challenge_binary_value.bytes;
AzureIoTClient 6:641a9672db08 766 challenge.length = challenge_binary_value.length;
Azure.IoT Build 0:6ae2f7bca550 767
AzureIoTClient 6:641a9672db08 768 /* Codes_SRS_SASLCLIENTIO_01_057: [The contents of this data are defined by the SASL security mechanism.] */
AzureIoTClient 6:641a9672db08 769 /* Codes_SRS_SASLCLIENTIO_01_037: [SASL-RESPONSE -->] */
AzureIoTClient 6:641a9672db08 770 if ((saslmechanism_challenge(sasl_client_io_instance->sasl_mechanism, &challenge, &response_bytes) != 0) ||
AzureIoTClient 6:641a9672db08 771 (send_sasl_response(sasl_client_io_instance, response_bytes) != 0))
AzureIoTClient 6:641a9672db08 772 {
AzureIoTClient 6:641a9672db08 773 /* Codes_SRS_SASLCLIENTIO_01_119: [If any error is encountered when parsing the received frame, the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 774 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 775 }
AzureIoTClient 6:641a9672db08 776 }
Azure.IoT Build 0:6ae2f7bca550 777
AzureIoTClient 6:641a9672db08 778 sasl_challenge_destroy(sasl_challenge_handle);
AzureIoTClient 6:641a9672db08 779 }
AzureIoTClient 6:641a9672db08 780 }
AzureIoTClient 6:641a9672db08 781 }
AzureIoTClient 6:641a9672db08 782 /* Codes_SRS_SASLCLIENTIO_01_058: [This frame indicates the outcome of the SASL dialog.] */
AzureIoTClient 6:641a9672db08 783 /* Codes_SRS_SASLCLIENTIO_01_038: [<-- SASL-OUTCOME] */
AzureIoTClient 6:641a9672db08 784 else if (is_sasl_outcome_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 785 {
AzureIoTClient 6:641a9672db08 786 /* Codes_SRS_SASLCLIENTIO_01_032: [The peer acting as the SASL server MUST announce supported authentication mechanisms using the sasl-mechanisms frame.] */
AzureIoTClient 6:641a9672db08 787 if ((sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_INIT_SENT) &&
AzureIoTClient 6:641a9672db08 788 (sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_RESPONSE_SENT))
AzureIoTClient 6:641a9672db08 789 {
AzureIoTClient 6:641a9672db08 790 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 791 }
AzureIoTClient 6:641a9672db08 792 else
AzureIoTClient 6:641a9672db08 793 {
AzureIoTClient 6:641a9672db08 794 SASL_OUTCOME_HANDLE sasl_outcome;
Azure.IoT Build 0:6ae2f7bca550 795
AzureIoTClient 6:641a9672db08 796 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD;
Azure.IoT Build 0:6ae2f7bca550 797
AzureIoTClient 6:641a9672db08 798 if (amqpvalue_get_sasl_outcome(sasl_frame, &sasl_outcome) != 0)
AzureIoTClient 6:641a9672db08 799 {
AzureIoTClient 6:641a9672db08 800 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 801 }
AzureIoTClient 6:641a9672db08 802 else
AzureIoTClient 6:641a9672db08 803 {
AzureIoTClient 6:641a9672db08 804 sasl_code sasl_code;
Azure.IoT Build 0:6ae2f7bca550 805
AzureIoTClient 6:641a9672db08 806 /* Codes_SRS_SASLCLIENTIO_01_060: [A reply-code indicating the outcome of the SASL dialog.] */
AzureIoTClient 6:641a9672db08 807 if (sasl_outcome_get_code(sasl_outcome, &sasl_code) != 0)
AzureIoTClient 6:641a9672db08 808 {
AzureIoTClient 6:641a9672db08 809 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 810 }
AzureIoTClient 6:641a9672db08 811 else
AzureIoTClient 6:641a9672db08 812 {
AzureIoTClient 6:641a9672db08 813 switch (sasl_code)
AzureIoTClient 6:641a9672db08 814 {
AzureIoTClient 6:641a9672db08 815 default:
AzureIoTClient 6:641a9672db08 816 case sasl_code_auth:
AzureIoTClient 6:641a9672db08 817 /* Codes_SRS_SASLCLIENTIO_01_063: [1 Connection authentication failed due to an unspecified problem with the supplied credentials.] */
AzureIoTClient 6:641a9672db08 818 case sasl_code_sys:
AzureIoTClient 6:641a9672db08 819 /* Codes_SRS_SASLCLIENTIO_01_064: [2 Connection authentication failed due to a system error.] */
AzureIoTClient 6:641a9672db08 820 case sasl_code_sys_perm:
AzureIoTClient 6:641a9672db08 821 /* Codes_SRS_SASLCLIENTIO_01_065: [3 Connection authentication failed due to a system error that is unlikely to be corrected without intervention.] */
AzureIoTClient 6:641a9672db08 822 case sasl_code_sys_temp:
AzureIoTClient 6:641a9672db08 823 /* Codes_SRS_SASLCLIENTIO_01_066: [4 Connection authentication failed due to a transient system error.] */
AzureIoTClient 6:641a9672db08 824 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 825 break;
Azure.IoT Build 0:6ae2f7bca550 826
AzureIoTClient 6:641a9672db08 827 case sasl_code_ok:
AzureIoTClient 6:641a9672db08 828 /* Codes_SRS_SASLCLIENTIO_01_059: [Upon successful completion of the SASL dialog the security layer has been established] */
AzureIoTClient 6:641a9672db08 829 /* Codes_SRS_SASLCLIENTIO_01_062: [0 Connection authentication succeeded.] */
AzureIoTClient 6:641a9672db08 830 sasl_client_io_instance->io_state = IO_STATE_OPEN;
AzureIoTClient 6:641a9672db08 831 indicate_open_complete(sasl_client_io_instance, IO_OPEN_OK);
AzureIoTClient 6:641a9672db08 832 break;
AzureIoTClient 6:641a9672db08 833 }
AzureIoTClient 6:641a9672db08 834 }
Azure.IoT Build 0:6ae2f7bca550 835
AzureIoTClient 6:641a9672db08 836 sasl_outcome_destroy(sasl_outcome);
AzureIoTClient 6:641a9672db08 837 }
AzureIoTClient 6:641a9672db08 838 }
AzureIoTClient 6:641a9672db08 839 }
AzureIoTClient 6:641a9672db08 840 else
AzureIoTClient 6:641a9672db08 841 {
AzureIoTClient 6:641a9672db08 842 LogError("Bad SASL frame");
AzureIoTClient 6:641a9672db08 843 }
AzureIoTClient 6:641a9672db08 844 }
AzureIoTClient 6:641a9672db08 845 }
AzureIoTClient 6:641a9672db08 846 break;
AzureIoTClient 6:641a9672db08 847 }
Azure.IoT Build 0:6ae2f7bca550 848 }
Azure.IoT Build 0:6ae2f7bca550 849
Azure.IoT Build 0:6ae2f7bca550 850 static void on_frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 851 {
AzureIoTClient 6:641a9672db08 852 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 853
AzureIoTClient 6:641a9672db08 854 /* Codes_SRS_SASLCLIENTIO_01_122: [When on_frame_codec_error is called while in the OPENING or OPEN state the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 855 /* Codes_SRS_SASLCLIENTIO_01_123: [When on_frame_codec_error is called in the ERROR state nothing shall be done.] */
AzureIoTClient 6:641a9672db08 856 handle_error(sasl_client_io_instance);
Azure.IoT Build 0:6ae2f7bca550 857 }
Azure.IoT Build 0:6ae2f7bca550 858
Azure.IoT Build 0:6ae2f7bca550 859 static void on_sasl_frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 860 {
AzureIoTClient 6:641a9672db08 861 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 862
AzureIoTClient 6:641a9672db08 863 /* Codes_SRS_SASLCLIENTIO_01_124: [**When on_sasl_frame_codec_error is called while in the OPENING or OPEN state the SASL client IO state shall be switched to IO_STATE_ERROR and the on_state_changed callback shall be triggered.] */
AzureIoTClient 6:641a9672db08 864 /* Codes_SRS_SASLCLIENTIO_01_125: [When on_sasl_frame_codec_error is called in the ERROR state nothing shall be done.] */
AzureIoTClient 6:641a9672db08 865 handle_error(sasl_client_io_instance);
Azure.IoT Build 0:6ae2f7bca550 866 }
Azure.IoT Build 0:6ae2f7bca550 867
Azure.IoT Build 5:ae49385aff34 868 CONCRETE_IO_HANDLE saslclientio_create(void* io_create_parameters)
Azure.IoT Build 0:6ae2f7bca550 869 {
AzureIoTClient 6:641a9672db08 870 SASLCLIENTIO_CONFIG* sasl_client_io_config = io_create_parameters;
AzureIoTClient 6:641a9672db08 871 SASL_CLIENT_IO_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 872
AzureIoTClient 6:641a9672db08 873 /* Codes_SRS_SASLCLIENTIO_01_005: [If xio_create_parameters is NULL, saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 874 if ((sasl_client_io_config == NULL) ||
AzureIoTClient 6:641a9672db08 875 /* Codes_SRS_SASLCLIENTIO_01_092: [If any of the sasl_mechanism or underlying_io members of the configuration structure are NULL, saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 876 (sasl_client_io_config->underlying_io == NULL) ||
AzureIoTClient 6:641a9672db08 877 (sasl_client_io_config->sasl_mechanism == NULL))
AzureIoTClient 6:641a9672db08 878 {
AzureIoTClient 6:641a9672db08 879 result = NULL;
AzureIoTClient 6:641a9672db08 880 }
AzureIoTClient 6:641a9672db08 881 else
AzureIoTClient 6:641a9672db08 882 {
AzureIoTClient 6:641a9672db08 883 result = amqpalloc_malloc(sizeof(SASL_CLIENT_IO_INSTANCE));
AzureIoTClient 6:641a9672db08 884 /* Codes_SRS_SASLCLIENTIO_01_006: [If memory cannot be allocated for the new instance, saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 885 if (result != NULL)
AzureIoTClient 6:641a9672db08 886 {
AzureIoTClient 6:641a9672db08 887 result->underlying_io = sasl_client_io_config->underlying_io;
AzureIoTClient 6:641a9672db08 888 if (result->underlying_io == NULL)
AzureIoTClient 6:641a9672db08 889 {
AzureIoTClient 6:641a9672db08 890 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 891 result = NULL;
AzureIoTClient 6:641a9672db08 892 }
AzureIoTClient 6:641a9672db08 893 else
AzureIoTClient 6:641a9672db08 894 {
AzureIoTClient 6:641a9672db08 895 /* Codes_SRS_SASLCLIENTIO_01_089: [saslclientio_create shall create a frame_codec to be used for encoding/decoding frames bycalling frame_codec_create and passing the underlying_io as argument.] */
AzureIoTClient 6:641a9672db08 896 result->frame_codec = frame_codec_create(on_frame_codec_error, result);
AzureIoTClient 6:641a9672db08 897 if (result->frame_codec == NULL)
AzureIoTClient 6:641a9672db08 898 {
AzureIoTClient 6:641a9672db08 899 /* Codes_SRS_SASLCLIENTIO_01_090: [If frame_codec_create fails, then saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 900 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 901 result = NULL;
AzureIoTClient 6:641a9672db08 902 }
AzureIoTClient 6:641a9672db08 903 else
AzureIoTClient 6:641a9672db08 904 {
AzureIoTClient 6:641a9672db08 905 /* Codes_SRS_SASLCLIENTIO_01_084: [saslclientio_create shall create a sasl_frame_codec to be used for SASL frame encoding/decoding by calling sasl_frame_codec_create and passing the just created frame_codec as argument.] */
AzureIoTClient 6:641a9672db08 906 result->sasl_frame_codec = sasl_frame_codec_create(result->frame_codec, sasl_frame_received_callback, on_sasl_frame_codec_error, result);
AzureIoTClient 6:641a9672db08 907 if (result->sasl_frame_codec == NULL)
AzureIoTClient 6:641a9672db08 908 {
AzureIoTClient 6:641a9672db08 909 frame_codec_destroy(result->frame_codec);
AzureIoTClient 6:641a9672db08 910 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 911 result = NULL;
AzureIoTClient 6:641a9672db08 912 }
AzureIoTClient 6:641a9672db08 913 else
AzureIoTClient 6:641a9672db08 914 {
AzureIoTClient 6:641a9672db08 915 /* Codes_SRS_SASLCLIENTIO_01_004: [saslclientio_create shall return on success a non-NULL handle to a new SASL client IO instance.] */
AzureIoTClient 6:641a9672db08 916 result->on_bytes_received = NULL;
AzureIoTClient 6:641a9672db08 917 result->on_io_open_complete = NULL;
AzureIoTClient 6:641a9672db08 918 result->on_io_error = NULL;
AzureIoTClient 6:641a9672db08 919 result->on_io_close_complete = NULL;
Azure.IoT Build 0:6ae2f7bca550 920 result->on_bytes_received_context = NULL;
AzureIoTClient 6:641a9672db08 921 result->on_io_open_complete_context = NULL;
AzureIoTClient 6:641a9672db08 922 result->on_io_close_complete_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 923 result->on_io_error_context = NULL;
AzureIoTClient 6:641a9672db08 924 result->sasl_mechanism = sasl_client_io_config->sasl_mechanism;
Azure.IoT Build 0:6ae2f7bca550 925
AzureIoTClient 6:641a9672db08 926 result->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 927 }
AzureIoTClient 6:641a9672db08 928 }
AzureIoTClient 6:641a9672db08 929 }
AzureIoTClient 6:641a9672db08 930 }
AzureIoTClient 6:641a9672db08 931 }
Azure.IoT Build 0:6ae2f7bca550 932
AzureIoTClient 6:641a9672db08 933 return result;
Azure.IoT Build 0:6ae2f7bca550 934 }
Azure.IoT Build 0:6ae2f7bca550 935
Azure.IoT Build 0:6ae2f7bca550 936 void saslclientio_destroy(CONCRETE_IO_HANDLE sasl_client_io)
Azure.IoT Build 0:6ae2f7bca550 937 {
AzureIoTClient 6:641a9672db08 938 if (sasl_client_io != NULL)
AzureIoTClient 6:641a9672db08 939 {
AzureIoTClient 6:641a9672db08 940 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 941
AzureIoTClient 6:641a9672db08 942 /* Codes_SRS_SASLCLIENTIO_01_007: [saslclientio_destroy shall free all resources associated with the SASL client IO handle.] */
AzureIoTClient 6:641a9672db08 943 /* Codes_SRS_SASLCLIENTIO_01_086: [saslclientio_destroy shall destroy the sasl_frame_codec created in saslclientio_create by calling sasl_frame_codec_destroy.] */
AzureIoTClient 6:641a9672db08 944 sasl_frame_codec_destroy(sasl_client_io_instance->sasl_frame_codec);
Azure.IoT Build 0:6ae2f7bca550 945
AzureIoTClient 6:641a9672db08 946 /* Codes_SRS_SASLCLIENTIO_01_091: [saslclientio_destroy shall destroy the frame_codec created in saslclientio_create by calling frame_codec_destroy.] */
AzureIoTClient 6:641a9672db08 947 frame_codec_destroy(sasl_client_io_instance->frame_codec);
AzureIoTClient 6:641a9672db08 948 amqpalloc_free(sasl_client_io);
AzureIoTClient 6:641a9672db08 949 }
Azure.IoT Build 0:6ae2f7bca550 950 }
Azure.IoT Build 0:6ae2f7bca550 951
Azure.IoT Build 0:6ae2f7bca550 952 int saslclientio_open(CONCRETE_IO_HANDLE sasl_client_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 0:6ae2f7bca550 953 {
AzureIoTClient 6:641a9672db08 954 int result = 0;
Azure.IoT Build 0:6ae2f7bca550 955
AzureIoTClient 6:641a9672db08 956 /* Codes_SRS_SASLCLIENTIO_01_011: [If any of the sasl_client_io or on_bytes_received arguments is NULL, saslclientio_open shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 957 if ((sasl_client_io == NULL) ||
AzureIoTClient 6:641a9672db08 958 (on_bytes_received == NULL))
AzureIoTClient 6:641a9672db08 959 {
AzureIoTClient 6:641a9672db08 960 result = __LINE__;
AzureIoTClient 6:641a9672db08 961 }
AzureIoTClient 6:641a9672db08 962 else
AzureIoTClient 6:641a9672db08 963 {
AzureIoTClient 6:641a9672db08 964 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 965
AzureIoTClient 6:641a9672db08 966 if (sasl_client_io_instance->io_state != IO_STATE_NOT_OPEN)
AzureIoTClient 6:641a9672db08 967 {
AzureIoTClient 6:641a9672db08 968 result = __LINE__;
AzureIoTClient 6:641a9672db08 969 }
AzureIoTClient 6:641a9672db08 970 else
AzureIoTClient 6:641a9672db08 971 {
AzureIoTClient 6:641a9672db08 972 sasl_client_io_instance->on_bytes_received = on_bytes_received;
AzureIoTClient 6:641a9672db08 973 sasl_client_io_instance->on_io_open_complete = on_io_open_complete;
AzureIoTClient 6:641a9672db08 974 sasl_client_io_instance->on_io_error = on_io_error;
AzureIoTClient 6:641a9672db08 975 sasl_client_io_instance->on_bytes_received_context = on_bytes_received_context;
Azure.IoT Build 0:6ae2f7bca550 976 sasl_client_io_instance->on_io_open_complete_context = on_io_open_complete_context;
Azure.IoT Build 0:6ae2f7bca550 977 sasl_client_io_instance->on_io_error_context = on_io_error_context;
AzureIoTClient 6:641a9672db08 978 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_IDLE;
AzureIoTClient 6:641a9672db08 979 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_NOT_STARTED;
AzureIoTClient 6:641a9672db08 980 sasl_client_io_instance->header_bytes_received = 0;
AzureIoTClient 6:641a9672db08 981 sasl_client_io_instance->io_state = IO_STATE_OPENING_UNDERLYING_IO;
AzureIoTClient 6:641a9672db08 982 sasl_client_io_instance->is_trace_on = 0;
Azure.IoT Build 0:6ae2f7bca550 983
AzureIoTClient 6:641a9672db08 984 /* Codes_SRS_SASLCLIENTIO_01_009: [saslclientio_open shall call xio_open on the underlying_io passed to saslclientio_create.] */
AzureIoTClient 6:641a9672db08 985 /* Codes_SRS_SASLCLIENTIO_01_013: [saslclientio_open shall pass to xio_open a callback for receiving bytes and a state changed callback for the underlying_io state changes.] */
AzureIoTClient 6:641a9672db08 986 if (xio_open(sasl_client_io_instance->underlying_io, on_underlying_io_open_complete, sasl_client_io_instance, on_underlying_io_bytes_received, sasl_client_io_instance, on_underlying_io_error, sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 987 {
AzureIoTClient 6:641a9672db08 988 /* Codes_SRS_SASLCLIENTIO_01_012: [If the open of the underlying_io fails, saslclientio_open shall fail and return non-zero value.] */
AzureIoTClient 6:641a9672db08 989 result = __LINE__;
AzureIoTClient 6:641a9672db08 990 }
AzureIoTClient 6:641a9672db08 991 else
AzureIoTClient 6:641a9672db08 992 {
AzureIoTClient 6:641a9672db08 993 /* Codes_SRS_SASLCLIENTIO_01_010: [On success, saslclientio_open shall return 0.] */
AzureIoTClient 6:641a9672db08 994 result = 0;
AzureIoTClient 6:641a9672db08 995 }
AzureIoTClient 6:641a9672db08 996 }
AzureIoTClient 6:641a9672db08 997 }
AzureIoTClient 6:641a9672db08 998
AzureIoTClient 6:641a9672db08 999 return result;
Azure.IoT Build 0:6ae2f7bca550 1000 }
Azure.IoT Build 0:6ae2f7bca550 1001
Azure.IoT Build 0:6ae2f7bca550 1002 int saslclientio_close(CONCRETE_IO_HANDLE sasl_client_io, ON_IO_CLOSE_COMPLETE on_io_close_complete, void* on_io_close_complete_context)
Azure.IoT Build 0:6ae2f7bca550 1003 {
AzureIoTClient 6:641a9672db08 1004 int result = 0;
Azure.IoT Build 0:6ae2f7bca550 1005
AzureIoTClient 6:641a9672db08 1006 /* Codes_SRS_SASLCLIENTIO_01_017: [If sasl_client_io is NULL, saslclientio_close shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1007 if (sasl_client_io == NULL)
AzureIoTClient 6:641a9672db08 1008 {
AzureIoTClient 6:641a9672db08 1009 result = __LINE__;
AzureIoTClient 6:641a9672db08 1010 }
AzureIoTClient 6:641a9672db08 1011 else
AzureIoTClient 6:641a9672db08 1012 {
AzureIoTClient 6:641a9672db08 1013 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1014
AzureIoTClient 6:641a9672db08 1015 /* Codes_SRS_SASLCLIENTIO_01_098: [saslclientio_close shall only perform the close if the state is OPEN, OPENING or ERROR.] */
AzureIoTClient 6:641a9672db08 1016 if ((sasl_client_io_instance->io_state == IO_STATE_NOT_OPEN) ||
AzureIoTClient 6:641a9672db08 1017 (sasl_client_io_instance->io_state == IO_STATE_CLOSING))
AzureIoTClient 6:641a9672db08 1018 {
AzureIoTClient 6:641a9672db08 1019 result = __LINE__;
AzureIoTClient 6:641a9672db08 1020 }
AzureIoTClient 6:641a9672db08 1021 else
AzureIoTClient 6:641a9672db08 1022 {
AzureIoTClient 6:641a9672db08 1023 sasl_client_io_instance->io_state = IO_STATE_CLOSING;
Azure.IoT Build 0:6ae2f7bca550 1024
Azure.IoT Build 0:6ae2f7bca550 1025 sasl_client_io_instance->on_io_close_complete = on_io_close_complete;
Azure.IoT Build 0:6ae2f7bca550 1026 sasl_client_io_instance->on_io_close_complete_context = on_io_close_complete_context;
Azure.IoT Build 0:6ae2f7bca550 1027
AzureIoTClient 6:641a9672db08 1028 /* Codes_SRS_SASLCLIENTIO_01_015: [saslclientio_close shall close the underlying io handle passed in saslclientio_create by calling xio_close.] */
AzureIoTClient 6:641a9672db08 1029 if (xio_close(sasl_client_io_instance->underlying_io, on_underlying_io_close_complete, sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 1030 {
AzureIoTClient 6:641a9672db08 1031 /* Codes_SRS_SASLCLIENTIO_01_018: [If xio_close fails, then saslclientio_close shall return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1032 result = __LINE__;
AzureIoTClient 6:641a9672db08 1033 }
AzureIoTClient 6:641a9672db08 1034 else
AzureIoTClient 6:641a9672db08 1035 {
AzureIoTClient 6:641a9672db08 1036 /* Codes_SRS_SASLCLIENTIO_01_016: [On success, saslclientio_close shall return 0.] */
AzureIoTClient 6:641a9672db08 1037 result = 0;
AzureIoTClient 6:641a9672db08 1038 }
AzureIoTClient 6:641a9672db08 1039 }
AzureIoTClient 6:641a9672db08 1040 }
Azure.IoT Build 0:6ae2f7bca550 1041
AzureIoTClient 6:641a9672db08 1042 return result;
Azure.IoT Build 0:6ae2f7bca550 1043 }
Azure.IoT Build 0:6ae2f7bca550 1044
Azure.IoT Build 0:6ae2f7bca550 1045 int saslclientio_send(CONCRETE_IO_HANDLE sasl_client_io, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 1046 {
AzureIoTClient 6:641a9672db08 1047 int result;
Azure.IoT Build 0:6ae2f7bca550 1048
AzureIoTClient 6:641a9672db08 1049 /* Codes_SRS_SASLCLIENTIO_01_022: [If the saslio or buffer argument is NULL, saslclientio_send shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1050 if ((sasl_client_io == NULL) ||
AzureIoTClient 6:641a9672db08 1051 (buffer == NULL) ||
AzureIoTClient 6:641a9672db08 1052 /* Codes_SRS_SASLCLIENTIO_01_023: [If size is 0, saslclientio_send shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1053 (size == 0))
AzureIoTClient 6:641a9672db08 1054 {
AzureIoTClient 6:641a9672db08 1055 /* Invalid arguments */
AzureIoTClient 6:641a9672db08 1056 result = __LINE__;
AzureIoTClient 6:641a9672db08 1057 }
AzureIoTClient 6:641a9672db08 1058 else
AzureIoTClient 6:641a9672db08 1059 {
AzureIoTClient 6:641a9672db08 1060 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1061
AzureIoTClient 6:641a9672db08 1062 /* Codes_SRS_SASLCLIENTIO_01_019: [If saslclientio_send is called while the SASL client IO state is not IO_STATE_OPEN, saslclientio_send shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1063 if (sasl_client_io_instance->io_state != IO_STATE_OPEN)
AzureIoTClient 6:641a9672db08 1064 {
AzureIoTClient 6:641a9672db08 1065 result = __LINE__;
AzureIoTClient 6:641a9672db08 1066 }
AzureIoTClient 6:641a9672db08 1067 else
AzureIoTClient 6:641a9672db08 1068 {
AzureIoTClient 6:641a9672db08 1069 /* Codes_SRS_SASLCLIENTIO_01_020: [If the SASL client IO state is IO_STATE_OPEN, saslclientio_send shall call xio_send on the underlying_io passed to saslclientio_create, while passing as arguments the buffer, size, on_send_complete and callback_context.] */
AzureIoTClient 6:641a9672db08 1070 if (xio_send(sasl_client_io_instance->underlying_io, buffer, size, on_send_complete, callback_context) != 0)
AzureIoTClient 6:641a9672db08 1071 {
AzureIoTClient 6:641a9672db08 1072 /* Codes_SRS_SASLCLIENTIO_01_024: [If the call to xio_send fails, then saslclientio_send shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1073 result = __LINE__;
AzureIoTClient 6:641a9672db08 1074 }
AzureIoTClient 6:641a9672db08 1075 else
AzureIoTClient 6:641a9672db08 1076 {
AzureIoTClient 6:641a9672db08 1077 /* Codes_SRS_SASLCLIENTIO_01_021: [On success, saslclientio_send shall return 0.] */
AzureIoTClient 6:641a9672db08 1078 result = 0;
AzureIoTClient 6:641a9672db08 1079 }
AzureIoTClient 6:641a9672db08 1080 }
AzureIoTClient 6:641a9672db08 1081 }
Azure.IoT Build 0:6ae2f7bca550 1082
AzureIoTClient 6:641a9672db08 1083 return result;
Azure.IoT Build 0:6ae2f7bca550 1084 }
Azure.IoT Build 0:6ae2f7bca550 1085
Azure.IoT Build 0:6ae2f7bca550 1086 void saslclientio_dowork(CONCRETE_IO_HANDLE sasl_client_io)
Azure.IoT Build 0:6ae2f7bca550 1087 {
AzureIoTClient 6:641a9672db08 1088 /* Codes_SRS_SASLCLIENTIO_01_026: [If the sasl_client_io argument is NULL, saslclientio_dowork shall do nothing.] */
AzureIoTClient 6:641a9672db08 1089 if (sasl_client_io != NULL)
AzureIoTClient 6:641a9672db08 1090 {
AzureIoTClient 6:641a9672db08 1091 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1092
AzureIoTClient 6:641a9672db08 1093 /* Codes_SRS_SASLCLIENTIO_01_025: [saslclientio_dowork shall call the xio_dowork on the underlying_io passed in saslclientio_create.] */
AzureIoTClient 6:641a9672db08 1094 if (sasl_client_io_instance->io_state != IO_STATE_NOT_OPEN)
AzureIoTClient 6:641a9672db08 1095 {
AzureIoTClient 6:641a9672db08 1096 /* Codes_SRS_SASLCLIENTIO_01_025: [saslclientio_dowork shall call the xio_dowork on the underlying_io passed in saslclientio_create.] */
AzureIoTClient 6:641a9672db08 1097 xio_dowork(sasl_client_io_instance->underlying_io);
AzureIoTClient 6:641a9672db08 1098 }
AzureIoTClient 6:641a9672db08 1099 }
Azure.IoT Build 0:6ae2f7bca550 1100 }
Azure.IoT Build 0:6ae2f7bca550 1101
AzureIoTClient 1:eab586236bfe 1102 /* Codes_SRS_SASLCLIENTIO_03_001: [saslclientio_setoption shall forward options to underlying io.]*/
AzureIoTClient 1:eab586236bfe 1103 int saslclientio_setoption(CONCRETE_IO_HANDLE sasl_client_io, const char* optionName, const void* value)
Azure.IoT Build 0:6ae2f7bca550 1104 {
AzureIoTClient 1:eab586236bfe 1105 int result;
AzureIoTClient 1:eab586236bfe 1106
AzureIoTClient 1:eab586236bfe 1107 if (sasl_client_io == NULL)
AzureIoTClient 1:eab586236bfe 1108 {
AzureIoTClient 1:eab586236bfe 1109 result = __LINE__;
AzureIoTClient 1:eab586236bfe 1110 }
AzureIoTClient 1:eab586236bfe 1111 else
AzureIoTClient 1:eab586236bfe 1112 {
AzureIoTClient 1:eab586236bfe 1113 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
AzureIoTClient 1:eab586236bfe 1114
AzureIoTClient 1:eab586236bfe 1115 if (sasl_client_io_instance->underlying_io == NULL)
AzureIoTClient 1:eab586236bfe 1116 {
AzureIoTClient 1:eab586236bfe 1117 result = __LINE__;
AzureIoTClient 1:eab586236bfe 1118 }
AzureIoTClient 6:641a9672db08 1119 else if (strcmp("logtrace", optionName) == 0)
AzureIoTClient 6:641a9672db08 1120 {
AzureIoTClient 6:641a9672db08 1121 sasl_client_io_instance->is_trace_on = *((bool*)value) == true ? 1 : 0;
AzureIoTClient 6:641a9672db08 1122 result = 0;
AzureIoTClient 6:641a9672db08 1123 }
AzureIoTClient 1:eab586236bfe 1124 else
AzureIoTClient 1:eab586236bfe 1125 {
AzureIoTClient 1:eab586236bfe 1126 result = xio_setoption(sasl_client_io_instance->underlying_io, optionName, value);
AzureIoTClient 1:eab586236bfe 1127 }
AzureIoTClient 1:eab586236bfe 1128 }
AzureIoTClient 6:641a9672db08 1129 return result;
AzureIoTClient 6:641a9672db08 1130 }
AzureIoTClient 1:eab586236bfe 1131
AzureIoTClient 6:641a9672db08 1132 /*this function will clone an option given by name and value*/
AzureIoTClient 6:641a9672db08 1133 static void* saslclientio_CloneOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 1134 {
AzureIoTClient 17:923575db8b2d 1135 (void)name;
AzureIoTClient 17:923575db8b2d 1136 (void)value;
AzureIoTClient 6:641a9672db08 1137 return NULL;
AzureIoTClient 6:641a9672db08 1138 }
AzureIoTClient 6:641a9672db08 1139
AzureIoTClient 6:641a9672db08 1140 /*this function destroys an option previously created*/
AzureIoTClient 6:641a9672db08 1141 static void saslclientio_DestroyOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 1142 {
AzureIoTClient 17:923575db8b2d 1143 (void)name;
AzureIoTClient 17:923575db8b2d 1144 (void)value;
AzureIoTClient 6:641a9672db08 1145 }
AzureIoTClient 6:641a9672db08 1146
AzureIoTClient 6:641a9672db08 1147 static OPTIONHANDLER_HANDLE saslclientio_retrieveoptions(CONCRETE_IO_HANDLE handle)
AzureIoTClient 6:641a9672db08 1148 {
AzureIoTClient 6:641a9672db08 1149 OPTIONHANDLER_HANDLE result;
AzureIoTClient 6:641a9672db08 1150 (void)handle;
AzureIoTClient 6:641a9672db08 1151 result = OptionHandler_Create(saslclientio_CloneOption, saslclientio_DestroyOption, saslclientio_setoption);
AzureIoTClient 6:641a9672db08 1152 if (result == NULL)
AzureIoTClient 6:641a9672db08 1153 {
AzureIoTClient 6:641a9672db08 1154 LogError("unable to OptionHandler_Create");
AzureIoTClient 6:641a9672db08 1155 /*return as is*/
AzureIoTClient 6:641a9672db08 1156 }
AzureIoTClient 6:641a9672db08 1157 else
AzureIoTClient 6:641a9672db08 1158 {
AzureIoTClient 6:641a9672db08 1159 /*insert here work to add the options to "result" handle*/
AzureIoTClient 6:641a9672db08 1160 }
AzureIoTClient 1:eab586236bfe 1161 return result;
Azure.IoT Build 0:6ae2f7bca550 1162 }
Azure.IoT Build 0:6ae2f7bca550 1163
Azure.IoT Build 0:6ae2f7bca550 1164 static const IO_INTERFACE_DESCRIPTION sasl_client_io_interface_description =
Azure.IoT Build 0:6ae2f7bca550 1165 {
AzureIoTClient 6:641a9672db08 1166 saslclientio_retrieveoptions,
AzureIoTClient 6:641a9672db08 1167 saslclientio_create,
AzureIoTClient 6:641a9672db08 1168 saslclientio_destroy,
AzureIoTClient 6:641a9672db08 1169 saslclientio_open,
AzureIoTClient 6:641a9672db08 1170 saslclientio_close,
AzureIoTClient 6:641a9672db08 1171 saslclientio_send,
AzureIoTClient 6:641a9672db08 1172 saslclientio_dowork,
Azure.IoT Build 0:6ae2f7bca550 1173 saslclientio_setoption
Azure.IoT Build 0:6ae2f7bca550 1174 };
Azure.IoT Build 0:6ae2f7bca550 1175
Azure.IoT Build 0:6ae2f7bca550 1176 /* Codes_SRS_SASLCLIENTIO_01_087: [saslclientio_get_interface_description shall return a pointer to an IO_INTERFACE_DESCRIPTION structure that contains pointers to the functions: saslclientio_create, saslclientio_destroy, saslclientio_open, saslclientio_close, saslclientio_send and saslclientio_dowork.] */
Azure.IoT Build 0:6ae2f7bca550 1177 const IO_INTERFACE_DESCRIPTION* saslclientio_get_interface_description(void)
Azure.IoT Build 0:6ae2f7bca550 1178 {
AzureIoTClient 6:641a9672db08 1179 return &sasl_client_io_interface_description;
Azure.IoT Build 0:6ae2f7bca550 1180 }