Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

saslclientio.c@15:5db103709f20, 2017-01-08 (annotated)

Committer:
AzureIoTClient
Date:
Sun Jan 08 11:12:13 2017 -0800
Revision:
15:5db103709f20
Parent:
9:c22db038556c
Child:
16:22a72cf8e416
1.1.3

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 #ifdef _CRTDBG_MAP_ALLOC
Azure.IoT Build 0:6ae2f7bca550 6 #include <crtdbg.h>
Azure.IoT Build 0:6ae2f7bca550 7 #endif
Azure.IoT Build 0:6ae2f7bca550 8 #include <stddef.h>
Azure.IoT Build 0:6ae2f7bca550 9 #include <stdio.h>
Azure.IoT Build 0:6ae2f7bca550 10 #include <string.h>
AzureIoTClient 6:641a9672db08 11 #include <stdbool.h>
Azure.IoT Build 0:6ae2f7bca550 12 #include "azure_uamqp_c/saslclientio.h"
Azure.IoT Build 0:6ae2f7bca550 13 #include "azure_c_shared_utility/xio.h"
Azure.IoT Build 0:6ae2f7bca550 14 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:6ae2f7bca550 15 #include "azure_uamqp_c/amqpalloc.h"
Azure.IoT Build 0:6ae2f7bca550 16 #include "azure_uamqp_c/frame_codec.h"
Azure.IoT Build 0:6ae2f7bca550 17 #include "azure_uamqp_c/sasl_frame_codec.h"
Azure.IoT Build 0:6ae2f7bca550 18 #include "azure_uamqp_c/amqp_definitions.h"
Azure.IoT Build 0:6ae2f7bca550 19 #include "azure_uamqp_c/amqpvalue_to_string.h"
Azure.IoT Build 0:6ae2f7bca550 20
Azure.IoT Build 0:6ae2f7bca550 21 typedef enum IO_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 22 {
AzureIoTClient 6:641a9672db08 23 IO_STATE_NOT_OPEN,
AzureIoTClient 6:641a9672db08 24 IO_STATE_OPENING_UNDERLYING_IO,
AzureIoTClient 6:641a9672db08 25 IO_STATE_SASL_HANDSHAKE,
AzureIoTClient 6:641a9672db08 26 IO_STATE_OPEN,
AzureIoTClient 6:641a9672db08 27 IO_STATE_CLOSING,
AzureIoTClient 6:641a9672db08 28 IO_STATE_ERROR
Azure.IoT Build 0:6ae2f7bca550 29 } IO_STATE;
Azure.IoT Build 0:6ae2f7bca550 30
Azure.IoT Build 0:6ae2f7bca550 31 typedef enum SASL_HEADER_EXCHANGE_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 32 {
AzureIoTClient 6:641a9672db08 33 SASL_HEADER_EXCHANGE_IDLE,
AzureIoTClient 6:641a9672db08 34 SASL_HEADER_EXCHANGE_HEADER_SENT,
AzureIoTClient 6:641a9672db08 35 SASL_HEADER_EXCHANGE_HEADER_RCVD,
AzureIoTClient 6:641a9672db08 36 SASL_HEADER_EXCHANGE_HEADER_EXCH
Azure.IoT Build 0:6ae2f7bca550 37 } SASL_HEADER_EXCHANGE_STATE;
Azure.IoT Build 0:6ae2f7bca550 38
Azure.IoT Build 0:6ae2f7bca550 39 typedef enum SASL_CLIENT_NEGOTIATION_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 40 {
AzureIoTClient 6:641a9672db08 41 SASL_CLIENT_NEGOTIATION_NOT_STARTED,
AzureIoTClient 6:641a9672db08 42 SASL_CLIENT_NEGOTIATION_MECH_RCVD,
AzureIoTClient 6:641a9672db08 43 SASL_CLIENT_NEGOTIATION_INIT_SENT,
AzureIoTClient 6:641a9672db08 44 SASL_CLIENT_NEGOTIATION_CHALLENGE_RCVD,
AzureIoTClient 6:641a9672db08 45 SASL_CLIENT_NEGOTIATION_RESPONSE_SENT,
AzureIoTClient 6:641a9672db08 46 SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD,
AzureIoTClient 6:641a9672db08 47 SASL_CLIENT_NEGOTIATION_ERROR
Azure.IoT Build 0:6ae2f7bca550 48 } SASL_CLIENT_NEGOTIATION_STATE;
Azure.IoT Build 0:6ae2f7bca550 49
Azure.IoT Build 0:6ae2f7bca550 50 typedef struct SASL_CLIENT_IO_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 51 {
AzureIoTClient 6:641a9672db08 52 XIO_HANDLE underlying_io;
AzureIoTClient 6:641a9672db08 53 ON_BYTES_RECEIVED on_bytes_received;
AzureIoTClient 6:641a9672db08 54 ON_IO_OPEN_COMPLETE on_io_open_complete;
AzureIoTClient 6:641a9672db08 55 ON_IO_CLOSE_COMPLETE on_io_close_complete;
AzureIoTClient 6:641a9672db08 56 ON_IO_ERROR on_io_error;
Azure.IoT Build 0:6ae2f7bca550 57 void* on_bytes_received_context;
AzureIoTClient 6:641a9672db08 58 void* on_io_open_complete_context;
AzureIoTClient 6:641a9672db08 59 void* on_io_close_complete_context;
Azure.IoT Build 0:6ae2f7bca550 60 void* on_io_error_context;
AzureIoTClient 6:641a9672db08 61 SASL_HEADER_EXCHANGE_STATE sasl_header_exchange_state;
AzureIoTClient 6:641a9672db08 62 SASL_CLIENT_NEGOTIATION_STATE sasl_client_negotiation_state;
AzureIoTClient 6:641a9672db08 63 size_t header_bytes_received;
AzureIoTClient 6:641a9672db08 64 SASL_FRAME_CODEC_HANDLE sasl_frame_codec;
AzureIoTClient 6:641a9672db08 65 FRAME_CODEC_HANDLE frame_codec;
AzureIoTClient 6:641a9672db08 66 IO_STATE io_state;
AzureIoTClient 6:641a9672db08 67 SASL_MECHANISM_HANDLE sasl_mechanism;
AzureIoTClient 6:641a9672db08 68 unsigned int is_trace_on : 1;
Azure.IoT Build 0:6ae2f7bca550 69 } SASL_CLIENT_IO_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 70
AzureIoTClient 15:5db103709f20 71 /* 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 72 /* Codes_SRS_SASLCLIENTIO_01_124: [SASL-MAJOR 1 major protocol version.] */
Azure.IoT Build 0:6ae2f7bca550 73 /* Codes_SRS_SASLCLIENTIO_01_125: [SASL-MINOR 0 minor protocol version.] */
Azure.IoT Build 0:6ae2f7bca550 74 /* Codes_SRS_SASLCLIENTIO_01_126: [SASL-REVISION 0 protocol revision.] */
Azure.IoT Build 0:6ae2f7bca550 75 const unsigned char sasl_header[] = { 'A', 'M', 'Q', 'P', 3, 1, 0, 0 };
Azure.IoT Build 0:6ae2f7bca550 76
Azure.IoT Build 0:6ae2f7bca550 77 static void indicate_error(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 78 {
AzureIoTClient 6:641a9672db08 79 if (sasl_client_io_instance->on_io_error != NULL)
AzureIoTClient 6:641a9672db08 80 {
AzureIoTClient 6:641a9672db08 81 sasl_client_io_instance->on_io_error(sasl_client_io_instance->on_io_error_context);
AzureIoTClient 6:641a9672db08 82 }
Azure.IoT Build 0:6ae2f7bca550 83 }
Azure.IoT Build 0:6ae2f7bca550 84
Azure.IoT Build 0:6ae2f7bca550 85 static void indicate_open_complete(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 86 {
AzureIoTClient 6:641a9672db08 87 if (sasl_client_io_instance->on_io_open_complete != NULL)
AzureIoTClient 6:641a9672db08 88 {
AzureIoTClient 6:641a9672db08 89 sasl_client_io_instance->on_io_open_complete(sasl_client_io_instance->on_io_open_complete_context, open_result);
AzureIoTClient 6:641a9672db08 90 }
Azure.IoT Build 0:6ae2f7bca550 91 }
Azure.IoT Build 0:6ae2f7bca550 92
Azure.IoT Build 0:6ae2f7bca550 93 static void indicate_close_complete(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 94 {
AzureIoTClient 6:641a9672db08 95 if (sasl_client_io_instance->on_io_close_complete != NULL)
AzureIoTClient 6:641a9672db08 96 {
AzureIoTClient 6:641a9672db08 97 sasl_client_io_instance->on_io_close_complete(sasl_client_io_instance->on_io_close_complete_context);
AzureIoTClient 6:641a9672db08 98 }
Azure.IoT Build 0:6ae2f7bca550 99 }
Azure.IoT Build 0:6ae2f7bca550 100
Azure.IoT Build 0:6ae2f7bca550 101 static void on_underlying_io_close_complete(void* context)
Azure.IoT Build 0:6ae2f7bca550 102 {
AzureIoTClient 6:641a9672db08 103 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 104
AzureIoTClient 6:641a9672db08 105 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 106 {
AzureIoTClient 6:641a9672db08 107 default:
AzureIoTClient 6:641a9672db08 108 break;
Azure.IoT Build 0:6ae2f7bca550 109
AzureIoTClient 6:641a9672db08 110 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 111 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 112 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 113 indicate_open_complete(sasl_client_io_instance, IO_OPEN_ERROR);
AzureIoTClient 6:641a9672db08 114 break;
Azure.IoT Build 0:6ae2f7bca550 115
AzureIoTClient 6:641a9672db08 116 case IO_STATE_CLOSING:
AzureIoTClient 6:641a9672db08 117 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 118 indicate_close_complete(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 119 break;
AzureIoTClient 6:641a9672db08 120 }
Azure.IoT Build 0:6ae2f7bca550 121 }
Azure.IoT Build 0:6ae2f7bca550 122
Azure.IoT Build 0:6ae2f7bca550 123 static void handle_error(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 124 {
AzureIoTClient 6:641a9672db08 125 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 126 {
AzureIoTClient 6:641a9672db08 127 default:
AzureIoTClient 6:641a9672db08 128 case IO_STATE_NOT_OPEN:
AzureIoTClient 6:641a9672db08 129 break;
Azure.IoT Build 0:6ae2f7bca550 130
AzureIoTClient 6:641a9672db08 131 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 132 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 133 if (xio_close(sasl_client_io_instance->underlying_io, on_underlying_io_close_complete, sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 134 {
AzureIoTClient 6:641a9672db08 135 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 136 indicate_open_complete(sasl_client_io_instance, IO_OPEN_ERROR);
AzureIoTClient 6:641a9672db08 137 }
AzureIoTClient 6:641a9672db08 138 break;
Azure.IoT Build 0:6ae2f7bca550 139
AzureIoTClient 6:641a9672db08 140 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 141 sasl_client_io_instance->io_state = IO_STATE_ERROR;
AzureIoTClient 6:641a9672db08 142 indicate_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 143 break;
AzureIoTClient 6:641a9672db08 144 }
Azure.IoT Build 0:6ae2f7bca550 145 }
Azure.IoT Build 0:6ae2f7bca550 146
Azure.IoT Build 0:6ae2f7bca550 147 static int send_sasl_header(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance)
Azure.IoT Build 0:6ae2f7bca550 148 {
AzureIoTClient 6:641a9672db08 149 int result;
Azure.IoT Build 0:6ae2f7bca550 150
AzureIoTClient 6:641a9672db08 151 /* Codes_SRS_SASLCLIENTIO_01_078: [SASL client IO shall start the header exchange by sending the SASL header.] */
AzureIoTClient 6:641a9672db08 152 /* Codes_SRS_SASLCLIENTIO_01_095: [Sending the header shall be done by using xio_send.] */
AzureIoTClient 6:641a9672db08 153 if (xio_send(sasl_client_io_instance->underlying_io, sasl_header, sizeof(sasl_header), NULL, NULL) != 0)
AzureIoTClient 6:641a9672db08 154 {
AzureIoTClient 6:641a9672db08 155 result = __LINE__;
AzureIoTClient 6:641a9672db08 156 }
AzureIoTClient 6:641a9672db08 157 else
AzureIoTClient 6:641a9672db08 158 {
AzureIoTClient 6:641a9672db08 159 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 160 {
AzureIoTClient 6:641a9672db08 161 LOG(LOG_TRACE, LOG_LINE, "-> Header (AMQP 3.1.0.0)");
AzureIoTClient 6:641a9672db08 162 }
AzureIoTClient 6:641a9672db08 163 result = 0;
AzureIoTClient 6:641a9672db08 164 }
Azure.IoT Build 0:6ae2f7bca550 165
AzureIoTClient 6:641a9672db08 166 return result;
Azure.IoT Build 0:6ae2f7bca550 167 }
Azure.IoT Build 0:6ae2f7bca550 168
Azure.IoT Build 0:6ae2f7bca550 169 static void on_underlying_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 170 {
AzureIoTClient 6:641a9672db08 171 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 172
AzureIoTClient 6:641a9672db08 173 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 174 {
AzureIoTClient 6:641a9672db08 175 default:
AzureIoTClient 6:641a9672db08 176 break;
Azure.IoT Build 0:6ae2f7bca550 177
AzureIoTClient 6:641a9672db08 178 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 179 if (open_result == IO_OPEN_OK)
AzureIoTClient 6:641a9672db08 180 {
AzureIoTClient 6:641a9672db08 181 sasl_client_io_instance->io_state = IO_STATE_SASL_HANDSHAKE;
AzureIoTClient 6:641a9672db08 182 if (sasl_client_io_instance->sasl_header_exchange_state != SASL_HEADER_EXCHANGE_IDLE)
AzureIoTClient 6:641a9672db08 183 {
AzureIoTClient 6:641a9672db08 184 /* 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 185 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 186 }
AzureIoTClient 6:641a9672db08 187 else
AzureIoTClient 6:641a9672db08 188 {
AzureIoTClient 6:641a9672db08 189 /* Codes_SRS_SASLCLIENTIO_01_105: [start header exchange] */
AzureIoTClient 6:641a9672db08 190 /* Codes_SRS_SASLCLIENTIO_01_001: [To establish a SASL layer, each peer MUST start by sending a protocol header.] */
AzureIoTClient 6:641a9672db08 191 if (send_sasl_header(sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 192 {
AzureIoTClient 6:641a9672db08 193 /* 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 194 /* 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 195 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 196 }
AzureIoTClient 6:641a9672db08 197 else
AzureIoTClient 6:641a9672db08 198 {
AzureIoTClient 6:641a9672db08 199 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_SENT;
AzureIoTClient 6:641a9672db08 200 }
AzureIoTClient 6:641a9672db08 201 }
AzureIoTClient 6:641a9672db08 202 }
AzureIoTClient 6:641a9672db08 203 else
AzureIoTClient 6:641a9672db08 204 {
AzureIoTClient 6:641a9672db08 205 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 206 }
Azure.IoT Build 0:6ae2f7bca550 207
AzureIoTClient 6:641a9672db08 208 break;
AzureIoTClient 6:641a9672db08 209 }
Azure.IoT Build 0:6ae2f7bca550 210 }
Azure.IoT Build 0:6ae2f7bca550 211
Azure.IoT Build 0:6ae2f7bca550 212 static void on_underlying_io_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 213 {
AzureIoTClient 6:641a9672db08 214 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 215
AzureIoTClient 6:641a9672db08 216 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 217 {
AzureIoTClient 6:641a9672db08 218 default:
AzureIoTClient 6:641a9672db08 219 break;
Azure.IoT Build 0:6ae2f7bca550 220
AzureIoTClient 6:641a9672db08 221 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 222 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 223 sasl_client_io_instance->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 224 indicate_open_complete(sasl_client_io_instance, IO_OPEN_ERROR);
AzureIoTClient 6:641a9672db08 225 break;
Azure.IoT Build 0:6ae2f7bca550 226
AzureIoTClient 6:641a9672db08 227 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 228 sasl_client_io_instance->io_state = IO_STATE_ERROR;
AzureIoTClient 6:641a9672db08 229 indicate_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 230 break;
AzureIoTClient 6:641a9672db08 231 }
Azure.IoT Build 0:6ae2f7bca550 232 }
Azure.IoT Build 0:6ae2f7bca550 233
Azure.IoT Build 0:6ae2f7bca550 234 static const char* get_frame_type_as_string(AMQP_VALUE descriptor)
Azure.IoT Build 0:6ae2f7bca550 235 {
AzureIoTClient 6:641a9672db08 236 const char* result;
Azure.IoT Build 0:6ae2f7bca550 237
AzureIoTClient 6:641a9672db08 238 if (is_sasl_mechanisms_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 239 {
AzureIoTClient 6:641a9672db08 240 result = "[SASL MECHANISMS]";
AzureIoTClient 6:641a9672db08 241 }
AzureIoTClient 6:641a9672db08 242 else if (is_sasl_init_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 243 {
AzureIoTClient 6:641a9672db08 244 result = "[SASL INIT]";
AzureIoTClient 6:641a9672db08 245 }
AzureIoTClient 6:641a9672db08 246 else if (is_sasl_challenge_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 247 {
AzureIoTClient 6:641a9672db08 248 result = "[SASL CHALLENGE]";
AzureIoTClient 6:641a9672db08 249 }
AzureIoTClient 6:641a9672db08 250 else if (is_sasl_response_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 251 {
AzureIoTClient 6:641a9672db08 252 result = "[SASL RESPONSE]";
AzureIoTClient 6:641a9672db08 253 }
AzureIoTClient 6:641a9672db08 254 else if (is_sasl_outcome_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 255 {
AzureIoTClient 6:641a9672db08 256 result = "[SASL OUTCOME]";
AzureIoTClient 6:641a9672db08 257 }
AzureIoTClient 6:641a9672db08 258 else
AzureIoTClient 6:641a9672db08 259 {
AzureIoTClient 6:641a9672db08 260 result = "[Unknown]";
AzureIoTClient 6:641a9672db08 261 }
Azure.IoT Build 0:6ae2f7bca550 262
AzureIoTClient 6:641a9672db08 263 return result;
Azure.IoT Build 0:6ae2f7bca550 264 }
Azure.IoT Build 0:6ae2f7bca550 265
AzureIoTClient 6:641a9672db08 266 static void log_incoming_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 267 {
AzureIoTClient 9:c22db038556c 268 #ifdef NO_LOGGING
AzureIoTClient 9:c22db038556c 269 UNUSED(performative);
AzureIoTClient 9:c22db038556c 270 #else
AzureIoTClient 6:641a9672db08 271 if (xlogging_get_log_function() != NULL)
AzureIoTClient 6:641a9672db08 272 {
AzureIoTClient 6:641a9672db08 273 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 6:641a9672db08 274 if (descriptor != NULL)
AzureIoTClient 6:641a9672db08 275 {
AzureIoTClient 6:641a9672db08 276 LOG(LOG_TRACE, 0, "<- ");
AzureIoTClient 6:641a9672db08 277 LOG(LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 6:641a9672db08 278 char* performative_as_string = NULL;
AzureIoTClient 6:641a9672db08 279 LOG(LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 6:641a9672db08 280 if (performative_as_string != NULL)
AzureIoTClient 6:641a9672db08 281 {
AzureIoTClient 6:641a9672db08 282 amqpalloc_free(performative_as_string);
AzureIoTClient 6:641a9672db08 283 }
AzureIoTClient 6:641a9672db08 284 }
AzureIoTClient 6:641a9672db08 285 }
AzureIoTClient 9:c22db038556c 286 #endif
Azure.IoT Build 0:6ae2f7bca550 287 }
Azure.IoT Build 0:6ae2f7bca550 288
AzureIoTClient 6:641a9672db08 289 static void log_outgoing_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 290 {
AzureIoTClient 9:c22db038556c 291 #ifdef NO_LOGGING
AzureIoTClient 9:c22db038556c 292 UNUSED(performative);
AzureIoTClient 9:c22db038556c 293 #else
AzureIoTClient 6:641a9672db08 294 if (xlogging_get_log_function() != NULL)
AzureIoTClient 6:641a9672db08 295 {
AzureIoTClient 6:641a9672db08 296 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 6:641a9672db08 297 if (descriptor != NULL)
AzureIoTClient 6:641a9672db08 298 {
AzureIoTClient 6:641a9672db08 299 LOG(LOG_TRACE, 0, "-> ");
AzureIoTClient 6:641a9672db08 300 LOG(LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 6:641a9672db08 301 char* performative_as_string = NULL;
AzureIoTClient 6:641a9672db08 302 LOG(LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 6:641a9672db08 303 if (performative_as_string != NULL)
AzureIoTClient 6:641a9672db08 304 {
AzureIoTClient 6:641a9672db08 305 amqpalloc_free(performative_as_string);
AzureIoTClient 6:641a9672db08 306 }
AzureIoTClient 6:641a9672db08 307 }
AzureIoTClient 6:641a9672db08 308 }
AzureIoTClient 9:c22db038556c 309 #endif
Azure.IoT Build 0:6ae2f7bca550 310 }
Azure.IoT Build 0:6ae2f7bca550 311
Azure.IoT Build 0:6ae2f7bca550 312 static int saslclientio_receive_byte(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance, unsigned char b)
Azure.IoT Build 0:6ae2f7bca550 313 {
AzureIoTClient 6:641a9672db08 314 int result;
Azure.IoT Build 0:6ae2f7bca550 315
AzureIoTClient 6:641a9672db08 316 switch (sasl_client_io_instance->sasl_header_exchange_state)
AzureIoTClient 6:641a9672db08 317 {
AzureIoTClient 6:641a9672db08 318 default:
AzureIoTClient 6:641a9672db08 319 result = __LINE__;
AzureIoTClient 6:641a9672db08 320 break;
Azure.IoT Build 0:6ae2f7bca550 321
AzureIoTClient 6:641a9672db08 322 case SASL_HEADER_EXCHANGE_HEADER_EXCH:
AzureIoTClient 6:641a9672db08 323 switch (sasl_client_io_instance->sasl_client_negotiation_state)
AzureIoTClient 6:641a9672db08 324 {
AzureIoTClient 6:641a9672db08 325 case SASL_CLIENT_NEGOTIATION_ERROR:
AzureIoTClient 6:641a9672db08 326 result = __LINE__;
AzureIoTClient 6:641a9672db08 327 break;
Azure.IoT Build 0:6ae2f7bca550 328
AzureIoTClient 6:641a9672db08 329 default:
AzureIoTClient 6:641a9672db08 330 /* 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 331 if (frame_codec_receive_bytes(sasl_client_io_instance->frame_codec, &b, 1) != 0)
AzureIoTClient 6:641a9672db08 332 {
AzureIoTClient 6:641a9672db08 333 /* 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 334 result = __LINE__;
AzureIoTClient 6:641a9672db08 335 }
AzureIoTClient 6:641a9672db08 336 else
AzureIoTClient 6:641a9672db08 337 {
AzureIoTClient 6:641a9672db08 338 result = 0;
AzureIoTClient 6:641a9672db08 339 }
Azure.IoT Build 0:6ae2f7bca550 340
AzureIoTClient 6:641a9672db08 341 break;
Azure.IoT Build 0:6ae2f7bca550 342
AzureIoTClient 6:641a9672db08 343 case SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD:
AzureIoTClient 6:641a9672db08 344 sasl_client_io_instance->on_bytes_received(sasl_client_io_instance->on_bytes_received_context, &b, 1);
AzureIoTClient 6:641a9672db08 345 result = 0;
AzureIoTClient 6:641a9672db08 346 break;
AzureIoTClient 6:641a9672db08 347 }
Azure.IoT Build 0:6ae2f7bca550 348
AzureIoTClient 6:641a9672db08 349 break;
Azure.IoT Build 0:6ae2f7bca550 350
AzureIoTClient 6:641a9672db08 351 /* 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 352 case SASL_HEADER_EXCHANGE_IDLE:
AzureIoTClient 6:641a9672db08 353 case SASL_HEADER_EXCHANGE_HEADER_SENT:
AzureIoTClient 6:641a9672db08 354 if (b != sasl_header[sasl_client_io_instance->header_bytes_received])
AzureIoTClient 6:641a9672db08 355 {
AzureIoTClient 6:641a9672db08 356 result = __LINE__;
AzureIoTClient 6:641a9672db08 357 }
AzureIoTClient 6:641a9672db08 358 else
AzureIoTClient 6:641a9672db08 359 {
AzureIoTClient 6:641a9672db08 360 sasl_client_io_instance->header_bytes_received++;
AzureIoTClient 6:641a9672db08 361 if (sasl_client_io_instance->header_bytes_received == sizeof(sasl_header))
AzureIoTClient 6:641a9672db08 362 {
AzureIoTClient 6:641a9672db08 363 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 364 {
AzureIoTClient 6:641a9672db08 365 LOG(LOG_TRACE, LOG_LINE, "<- Header (AMQP 3.1.0.0)");
AzureIoTClient 6:641a9672db08 366 }
Azure.IoT Build 0:6ae2f7bca550 367
AzureIoTClient 6:641a9672db08 368 switch (sasl_client_io_instance->sasl_header_exchange_state)
AzureIoTClient 6:641a9672db08 369 {
AzureIoTClient 6:641a9672db08 370 default:
AzureIoTClient 6:641a9672db08 371 result = __LINE__;
AzureIoTClient 6:641a9672db08 372 break;
AzureIoTClient 6:641a9672db08 373
AzureIoTClient 6:641a9672db08 374 case SASL_HEADER_EXCHANGE_HEADER_SENT:
AzureIoTClient 6:641a9672db08 375 /* from this point on we need to decode SASL frames */
AzureIoTClient 6:641a9672db08 376 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_EXCH;
AzureIoTClient 6:641a9672db08 377 result = 0;
AzureIoTClient 6:641a9672db08 378 break;
Azure.IoT Build 0:6ae2f7bca550 379
AzureIoTClient 6:641a9672db08 380 case SASL_HEADER_EXCHANGE_IDLE:
AzureIoTClient 6:641a9672db08 381 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_RCVD;
AzureIoTClient 6:641a9672db08 382 if (send_sasl_header(sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 383 {
AzureIoTClient 6:641a9672db08 384 /* 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 385 result = __LINE__;
AzureIoTClient 6:641a9672db08 386 }
AzureIoTClient 6:641a9672db08 387 else
AzureIoTClient 6:641a9672db08 388 {
AzureIoTClient 6:641a9672db08 389 result = 0;
AzureIoTClient 6:641a9672db08 390 }
Azure.IoT Build 0:6ae2f7bca550 391
AzureIoTClient 6:641a9672db08 392 break;
AzureIoTClient 6:641a9672db08 393 }
AzureIoTClient 6:641a9672db08 394 }
AzureIoTClient 6:641a9672db08 395 else
AzureIoTClient 6:641a9672db08 396 {
AzureIoTClient 6:641a9672db08 397 result = 0;
AzureIoTClient 6:641a9672db08 398 }
AzureIoTClient 6:641a9672db08 399 }
Azure.IoT Build 0:6ae2f7bca550 400
AzureIoTClient 6:641a9672db08 401 break;
AzureIoTClient 6:641a9672db08 402 }
AzureIoTClient 6:641a9672db08 403
AzureIoTClient 6:641a9672db08 404 return result;
Azure.IoT Build 0:6ae2f7bca550 405 }
Azure.IoT Build 0:6ae2f7bca550 406
Azure.IoT Build 0:6ae2f7bca550 407 static void on_underlying_io_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:6ae2f7bca550 408 {
AzureIoTClient 6:641a9672db08 409 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 410
AzureIoTClient 6:641a9672db08 411 /* 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 412 if ((buffer == NULL) ||
AzureIoTClient 6:641a9672db08 413 (size == 0))
AzureIoTClient 6:641a9672db08 414 {
AzureIoTClient 6:641a9672db08 415 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 416 }
AzureIoTClient 6:641a9672db08 417 else
AzureIoTClient 6:641a9672db08 418 {
AzureIoTClient 6:641a9672db08 419 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 420 {
AzureIoTClient 6:641a9672db08 421 default:
AzureIoTClient 6:641a9672db08 422 break;
Azure.IoT Build 0:6ae2f7bca550 423
AzureIoTClient 6:641a9672db08 424 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 425 /* 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 426 /* Codes_SRS_SASLCLIENTIO_01_029: [The context argument shall be set to the callback_context passed in saslclientio_open.] */
AzureIoTClient 6:641a9672db08 427 sasl_client_io_instance->on_bytes_received(sasl_client_io_instance->on_bytes_received_context, buffer, size);
AzureIoTClient 6:641a9672db08 428 break;
Azure.IoT Build 0:6ae2f7bca550 429
AzureIoTClient 6:641a9672db08 430 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 431 {
AzureIoTClient 6:641a9672db08 432 size_t i;
Azure.IoT Build 0:6ae2f7bca550 433
AzureIoTClient 6:641a9672db08 434 for (i = 0; i < size; i++)
AzureIoTClient 6:641a9672db08 435 {
AzureIoTClient 6:641a9672db08 436 if (saslclientio_receive_byte(sasl_client_io_instance, buffer[i]) != 0)
AzureIoTClient 6:641a9672db08 437 {
AzureIoTClient 6:641a9672db08 438 break;
AzureIoTClient 6:641a9672db08 439 }
AzureIoTClient 6:641a9672db08 440 }
Azure.IoT Build 0:6ae2f7bca550 441
AzureIoTClient 6:641a9672db08 442 if (i < size)
AzureIoTClient 6:641a9672db08 443 {
AzureIoTClient 6:641a9672db08 444 /* 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 445 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 446 }
Azure.IoT Build 0:6ae2f7bca550 447
AzureIoTClient 6:641a9672db08 448 break;
AzureIoTClient 6:641a9672db08 449 }
Azure.IoT Build 0:6ae2f7bca550 450
AzureIoTClient 6:641a9672db08 451 case IO_STATE_ERROR:
AzureIoTClient 6:641a9672db08 452 /* 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 453 break;
AzureIoTClient 6:641a9672db08 454 }
AzureIoTClient 6:641a9672db08 455 }
Azure.IoT Build 0:6ae2f7bca550 456 }
Azure.IoT Build 0:6ae2f7bca550 457
Azure.IoT Build 0:6ae2f7bca550 458 static void on_bytes_encoded(void* context, const unsigned char* bytes, size_t length, bool encode_complete)
Azure.IoT Build 0:6ae2f7bca550 459 {
AzureIoTClient 6:641a9672db08 460 (void)encode_complete;
Azure.IoT Build 0:6ae2f7bca550 461
AzureIoTClient 6:641a9672db08 462 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 463
AzureIoTClient 6:641a9672db08 464 /* 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 465 if (xio_send(sasl_client_io_instance->underlying_io, bytes, length, NULL, NULL) != 0)
AzureIoTClient 6:641a9672db08 466 {
AzureIoTClient 6:641a9672db08 467 /* 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 468 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 469 }
Azure.IoT Build 0:6ae2f7bca550 470 }
Azure.IoT Build 0:6ae2f7bca550 471
Azure.IoT Build 0:6ae2f7bca550 472 static int send_sasl_init(SASL_CLIENT_IO_INSTANCE* sasl_client_io, const char* sasl_mechanism_name)
Azure.IoT Build 0:6ae2f7bca550 473 {
AzureIoTClient 6:641a9672db08 474 int result;
Azure.IoT Build 0:6ae2f7bca550 475
AzureIoTClient 6:641a9672db08 476 SASL_INIT_HANDLE sasl_init;
AzureIoTClient 6:641a9672db08 477 SASL_MECHANISM_BYTES init_bytes;
Azure.IoT Build 0:6ae2f7bca550 478
AzureIoTClient 6:641a9672db08 479 /* Codes_SRS_SASLCLIENTIO_01_045: [The name of the SASL mechanism used for the SASL exchange.] */
AzureIoTClient 6:641a9672db08 480 sasl_init = sasl_init_create(sasl_mechanism_name);
AzureIoTClient 6:641a9672db08 481 if (sasl_init == NULL)
AzureIoTClient 6:641a9672db08 482 {
AzureIoTClient 6:641a9672db08 483 /* 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 484 result = __LINE__;
AzureIoTClient 6:641a9672db08 485 }
AzureIoTClient 6:641a9672db08 486 else
AzureIoTClient 6:641a9672db08 487 {
AzureIoTClient 6:641a9672db08 488 /* Codes_SRS_SASLCLIENTIO_01_048: [The contents of this data are defined by the SASL security mechanism.] */
AzureIoTClient 6:641a9672db08 489 if (saslmechanism_get_init_bytes(sasl_client_io->sasl_mechanism, &init_bytes) != 0)
AzureIoTClient 6:641a9672db08 490 {
AzureIoTClient 6:641a9672db08 491 /* 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 492 result = __LINE__;
AzureIoTClient 6:641a9672db08 493 }
AzureIoTClient 6:641a9672db08 494 else
AzureIoTClient 6:641a9672db08 495 {
AzureIoTClient 6:641a9672db08 496 amqp_binary creds;
AzureIoTClient 6:641a9672db08 497 creds.bytes = init_bytes.bytes;
AzureIoTClient 6:641a9672db08 498 creds.length = init_bytes.length;
AzureIoTClient 6:641a9672db08 499 if ((init_bytes.length > 0) &&
AzureIoTClient 6:641a9672db08 500 /* Codes_SRS_SASLCLIENTIO_01_047: [A block of opaque data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 501 (sasl_init_set_initial_response(sasl_init, creds) != 0))
AzureIoTClient 6:641a9672db08 502 {
AzureIoTClient 6:641a9672db08 503 /* 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 504 result = __LINE__;
AzureIoTClient 6:641a9672db08 505 }
AzureIoTClient 6:641a9672db08 506 else
AzureIoTClient 6:641a9672db08 507 {
AzureIoTClient 6:641a9672db08 508 AMQP_VALUE sasl_init_value = amqpvalue_create_sasl_init(sasl_init);
AzureIoTClient 6:641a9672db08 509 if (sasl_init_value == NULL)
AzureIoTClient 6:641a9672db08 510 {
AzureIoTClient 6:641a9672db08 511 /* 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 512 result = __LINE__;
AzureIoTClient 6:641a9672db08 513 }
AzureIoTClient 6:641a9672db08 514 else
AzureIoTClient 6:641a9672db08 515 {
AzureIoTClient 6:641a9672db08 516 /* 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 517 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 518 {
AzureIoTClient 6:641a9672db08 519 /* 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 520 result = __LINE__;
AzureIoTClient 6:641a9672db08 521 }
AzureIoTClient 6:641a9672db08 522 else
AzureIoTClient 6:641a9672db08 523 {
AzureIoTClient 6:641a9672db08 524 if (sasl_client_io->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 525 {
AzureIoTClient 6:641a9672db08 526 log_outgoing_frame(sasl_init_value);
AzureIoTClient 6:641a9672db08 527 }
Azure.IoT Build 0:6ae2f7bca550 528
AzureIoTClient 6:641a9672db08 529 result = 0;
AzureIoTClient 6:641a9672db08 530 }
Azure.IoT Build 0:6ae2f7bca550 531
AzureIoTClient 6:641a9672db08 532 amqpvalue_destroy(sasl_init_value);
AzureIoTClient 6:641a9672db08 533 }
AzureIoTClient 6:641a9672db08 534 }
AzureIoTClient 6:641a9672db08 535 }
Azure.IoT Build 0:6ae2f7bca550 536
AzureIoTClient 6:641a9672db08 537 sasl_init_destroy(sasl_init);
AzureIoTClient 6:641a9672db08 538 }
Azure.IoT Build 0:6ae2f7bca550 539
AzureIoTClient 6:641a9672db08 540 return result;
Azure.IoT Build 0:6ae2f7bca550 541 }
Azure.IoT Build 0:6ae2f7bca550 542
Azure.IoT Build 0:6ae2f7bca550 543 static int send_sasl_response(SASL_CLIENT_IO_INSTANCE* sasl_client_io, SASL_MECHANISM_BYTES sasl_response)
Azure.IoT Build 0:6ae2f7bca550 544 {
AzureIoTClient 6:641a9672db08 545 int result;
Azure.IoT Build 0:6ae2f7bca550 546
AzureIoTClient 6:641a9672db08 547 SASL_RESPONSE_HANDLE sasl_response_handle;
AzureIoTClient 6:641a9672db08 548 amqp_binary response_binary_value;
AzureIoTClient 6:641a9672db08 549
AzureIoTClient 6:641a9672db08 550 response_binary_value.bytes = sasl_response.bytes;
AzureIoTClient 6:641a9672db08 551 response_binary_value.length = sasl_response.length;
Azure.IoT Build 0:6ae2f7bca550 552
AzureIoTClient 6:641a9672db08 553 /* Codes_SRS_SASLCLIENTIO_01_055: [Send the SASL response data as defined by the SASL specification.] */
AzureIoTClient 6:641a9672db08 554 /* Codes_SRS_SASLCLIENTIO_01_056: [A block of opaque data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 555 if ((sasl_response_handle = sasl_response_create(response_binary_value)) == NULL)
AzureIoTClient 6:641a9672db08 556 {
AzureIoTClient 6:641a9672db08 557 result = __LINE__;
AzureIoTClient 6:641a9672db08 558 }
AzureIoTClient 6:641a9672db08 559 else
AzureIoTClient 6:641a9672db08 560 {
AzureIoTClient 6:641a9672db08 561 AMQP_VALUE sasl_response_value = amqpvalue_create_sasl_response(sasl_response_handle);
AzureIoTClient 6:641a9672db08 562 if (sasl_response_value == NULL)
AzureIoTClient 6:641a9672db08 563 {
AzureIoTClient 6:641a9672db08 564 result = __LINE__;
AzureIoTClient 6:641a9672db08 565 }
AzureIoTClient 6:641a9672db08 566 else
AzureIoTClient 6:641a9672db08 567 {
AzureIoTClient 6:641a9672db08 568 /* 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 569 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 570 {
AzureIoTClient 6:641a9672db08 571 result = __LINE__;
AzureIoTClient 6:641a9672db08 572 }
AzureIoTClient 6:641a9672db08 573 else
AzureIoTClient 6:641a9672db08 574 {
AzureIoTClient 6:641a9672db08 575 if (sasl_client_io->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 576 {
AzureIoTClient 6:641a9672db08 577 log_outgoing_frame(sasl_response_value);
AzureIoTClient 6:641a9672db08 578 }
AzureIoTClient 6:641a9672db08 579 result = 0;
AzureIoTClient 6:641a9672db08 580 }
Azure.IoT Build 0:6ae2f7bca550 581
AzureIoTClient 6:641a9672db08 582 amqpvalue_destroy(sasl_response_value);
AzureIoTClient 6:641a9672db08 583 }
Azure.IoT Build 0:6ae2f7bca550 584
AzureIoTClient 6:641a9672db08 585 sasl_response_destroy(sasl_response_handle);
AzureIoTClient 6:641a9672db08 586 }
Azure.IoT Build 0:6ae2f7bca550 587
AzureIoTClient 6:641a9672db08 588 return result;
Azure.IoT Build 0:6ae2f7bca550 589 }
Azure.IoT Build 0:6ae2f7bca550 590
Azure.IoT Build 0:6ae2f7bca550 591 static void sasl_frame_received_callback(void* context, AMQP_VALUE sasl_frame)
Azure.IoT Build 0:6ae2f7bca550 592 {
AzureIoTClient 6:641a9672db08 593 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 594
AzureIoTClient 6:641a9672db08 595 /* Codes_SRS_SASLCLIENTIO_01_067: [The SASL frame exchange shall be started as soon as the SASL header handshake is done.] */
AzureIoTClient 6:641a9672db08 596 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 597 {
AzureIoTClient 6:641a9672db08 598 default:
AzureIoTClient 6:641a9672db08 599 break;
Azure.IoT Build 0:6ae2f7bca550 600
AzureIoTClient 6:641a9672db08 601 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 602 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 603 case IO_STATE_CLOSING:
AzureIoTClient 6:641a9672db08 604 /* 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 605 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 606 break;
Azure.IoT Build 0:6ae2f7bca550 607
AzureIoTClient 6:641a9672db08 608 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 609 if (sasl_client_io_instance->sasl_header_exchange_state != SASL_HEADER_EXCHANGE_HEADER_EXCH)
AzureIoTClient 6:641a9672db08 610 {
AzureIoTClient 6:641a9672db08 611 /* 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 612 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 613 }
AzureIoTClient 6:641a9672db08 614 else
AzureIoTClient 6:641a9672db08 615 {
AzureIoTClient 6:641a9672db08 616 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(sasl_frame);
AzureIoTClient 6:641a9672db08 617 if (descriptor == NULL)
AzureIoTClient 6:641a9672db08 618 {
AzureIoTClient 6:641a9672db08 619 /* 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 620 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 621 }
AzureIoTClient 6:641a9672db08 622 else
AzureIoTClient 6:641a9672db08 623 {
AzureIoTClient 6:641a9672db08 624 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 625 {
AzureIoTClient 6:641a9672db08 626 log_incoming_frame(sasl_frame);
AzureIoTClient 6:641a9672db08 627 }
Azure.IoT Build 0:6ae2f7bca550 628
AzureIoTClient 6:641a9672db08 629 /* 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 630 /* 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 631 /* Codes_SRS_SASLCLIENTIO_01_034: [<-- SASL-MECHANISMS] */
AzureIoTClient 6:641a9672db08 632 if (is_sasl_mechanisms_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 633 {
AzureIoTClient 6:641a9672db08 634 switch (sasl_client_io_instance->sasl_client_negotiation_state)
AzureIoTClient 6:641a9672db08 635 {
AzureIoTClient 6:641a9672db08 636 case SASL_CLIENT_NEGOTIATION_NOT_STARTED:
AzureIoTClient 6:641a9672db08 637 {
AzureIoTClient 6:641a9672db08 638 SASL_MECHANISMS_HANDLE sasl_mechanisms_handle;
Azure.IoT Build 0:6ae2f7bca550 639
AzureIoTClient 6:641a9672db08 640 if (amqpvalue_get_sasl_mechanisms(sasl_frame, &sasl_mechanisms_handle) != 0)
AzureIoTClient 6:641a9672db08 641 {
AzureIoTClient 6:641a9672db08 642 /* 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 643 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 644 }
AzureIoTClient 6:641a9672db08 645 else
AzureIoTClient 6:641a9672db08 646 {
AzureIoTClient 6:641a9672db08 647 AMQP_VALUE sasl_server_mechanisms;
AzureIoTClient 6:641a9672db08 648 uint32_t mechanisms_count;
Azure.IoT Build 0:6ae2f7bca550 649
AzureIoTClient 6:641a9672db08 650 if ((sasl_mechanisms_get_sasl_server_mechanisms(sasl_mechanisms_handle, &sasl_server_mechanisms) != 0) ||
AzureIoTClient 6:641a9672db08 651 (amqpvalue_get_array_item_count(sasl_server_mechanisms, &mechanisms_count) != 0) ||
AzureIoTClient 6:641a9672db08 652 (mechanisms_count == 0))
AzureIoTClient 6:641a9672db08 653 {
AzureIoTClient 6:641a9672db08 654 /* Codes_SRS_SASLCLIENTIO_01_042: [It is invalid for this list to be null or empty.] */
AzureIoTClient 6:641a9672db08 655 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 656 }
AzureIoTClient 6:641a9672db08 657 else
AzureIoTClient 6:641a9672db08 658 {
AzureIoTClient 6:641a9672db08 659 const char* sasl_mechanism_name = saslmechanism_get_mechanism_name(sasl_client_io_instance->sasl_mechanism);
AzureIoTClient 6:641a9672db08 660 if (sasl_mechanism_name == NULL)
AzureIoTClient 6:641a9672db08 661 {
AzureIoTClient 6:641a9672db08 662 /* 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 663 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 664 }
AzureIoTClient 6:641a9672db08 665 else
AzureIoTClient 6:641a9672db08 666 {
AzureIoTClient 6:641a9672db08 667 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 668
AzureIoTClient 6:641a9672db08 669 for (i = 0; i < mechanisms_count; i++)
AzureIoTClient 6:641a9672db08 670 {
AzureIoTClient 6:641a9672db08 671 AMQP_VALUE sasl_server_mechanism;
AzureIoTClient 6:641a9672db08 672 sasl_server_mechanism = amqpvalue_get_array_item(sasl_server_mechanisms, i);
AzureIoTClient 6:641a9672db08 673 if (sasl_server_mechanism == NULL)
AzureIoTClient 6:641a9672db08 674 {
AzureIoTClient 6:641a9672db08 675 i = mechanisms_count;
AzureIoTClient 6:641a9672db08 676 }
AzureIoTClient 6:641a9672db08 677 else
AzureIoTClient 6:641a9672db08 678 {
AzureIoTClient 6:641a9672db08 679 const char* sasl_server_mechanism_name;
AzureIoTClient 6:641a9672db08 680 if (amqpvalue_get_symbol(sasl_server_mechanism, &sasl_server_mechanism_name) != 0)
AzureIoTClient 6:641a9672db08 681 {
AzureIoTClient 6:641a9672db08 682 i = mechanisms_count;
AzureIoTClient 6:641a9672db08 683 }
AzureIoTClient 6:641a9672db08 684 else
AzureIoTClient 6:641a9672db08 685 {
AzureIoTClient 6:641a9672db08 686 if (strcmp(sasl_mechanism_name, sasl_server_mechanism_name) == 0)
AzureIoTClient 6:641a9672db08 687 {
Azure.IoT Build 0:6ae2f7bca550 688 amqpvalue_destroy(sasl_server_mechanism);
Azure.IoT Build 0:6ae2f7bca550 689 break;
AzureIoTClient 6:641a9672db08 690 }
AzureIoTClient 6:641a9672db08 691 }
Azure.IoT Build 0:6ae2f7bca550 692
Azure.IoT Build 0:6ae2f7bca550 693 amqpvalue_destroy(sasl_server_mechanism);
Azure.IoT Build 0:6ae2f7bca550 694 }
AzureIoTClient 6:641a9672db08 695 }
Azure.IoT Build 0:6ae2f7bca550 696
AzureIoTClient 6:641a9672db08 697 if (i == mechanisms_count)
AzureIoTClient 6:641a9672db08 698 {
AzureIoTClient 6:641a9672db08 699 /* 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 700 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 701 }
AzureIoTClient 6:641a9672db08 702 else
AzureIoTClient 6:641a9672db08 703 {
AzureIoTClient 6:641a9672db08 704 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_MECH_RCVD;
Azure.IoT Build 0:6ae2f7bca550 705
AzureIoTClient 6:641a9672db08 706 /* Codes_SRS_SASLCLIENTIO_01_035: [SASL-INIT -->] */
AzureIoTClient 6:641a9672db08 707 /* Codes_SRS_SASLCLIENTIO_01_033: [The partner MUST then choose one of the supported mechanisms and initiate a sasl exchange.] */
AzureIoTClient 6:641a9672db08 708 /* Codes_SRS_SASLCLIENTIO_01_054: [Selects the sasl mechanism and provides the initial response if needed.] */
AzureIoTClient 6:641a9672db08 709 if (send_sasl_init(sasl_client_io_instance, sasl_mechanism_name) != 0)
AzureIoTClient 6:641a9672db08 710 {
AzureIoTClient 6:641a9672db08 711 /* 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 712 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 713 }
AzureIoTClient 6:641a9672db08 714 else
AzureIoTClient 6:641a9672db08 715 {
AzureIoTClient 6:641a9672db08 716 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_INIT_SENT;
AzureIoTClient 6:641a9672db08 717 }
AzureIoTClient 6:641a9672db08 718 }
AzureIoTClient 6:641a9672db08 719 }
AzureIoTClient 6:641a9672db08 720 }
Azure.IoT Build 0:6ae2f7bca550 721
AzureIoTClient 6:641a9672db08 722 sasl_mechanisms_destroy(sasl_mechanisms_handle);
AzureIoTClient 6:641a9672db08 723 }
Azure.IoT Build 0:6ae2f7bca550 724
AzureIoTClient 6:641a9672db08 725 break;
AzureIoTClient 6:641a9672db08 726 }
AzureIoTClient 6:641a9672db08 727 }
AzureIoTClient 6:641a9672db08 728 }
AzureIoTClient 6:641a9672db08 729 /* Codes_SRS_SASLCLIENTIO_01_052: [Send the SASL challenge data as defined by the SASL specification.] */
AzureIoTClient 6:641a9672db08 730 /* Codes_SRS_SASLCLIENTIO_01_036: [<-- SASL-CHALLENGE *] */
AzureIoTClient 6:641a9672db08 731 /* 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 732 else if (is_sasl_challenge_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 733 {
AzureIoTClient 6:641a9672db08 734 /* 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 735 if ((sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_INIT_SENT) &&
AzureIoTClient 6:641a9672db08 736 (sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_RESPONSE_SENT))
AzureIoTClient 6:641a9672db08 737 {
AzureIoTClient 6:641a9672db08 738 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 739 }
AzureIoTClient 6:641a9672db08 740 else
AzureIoTClient 6:641a9672db08 741 {
AzureIoTClient 6:641a9672db08 742 SASL_CHALLENGE_HANDLE sasl_challenge_handle;
Azure.IoT Build 0:6ae2f7bca550 743
AzureIoTClient 6:641a9672db08 744 if (amqpvalue_get_sasl_challenge(sasl_frame, &sasl_challenge_handle) != 0)
AzureIoTClient 6:641a9672db08 745 {
AzureIoTClient 6:641a9672db08 746 /* 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 747 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 748 }
AzureIoTClient 6:641a9672db08 749 else
AzureIoTClient 6:641a9672db08 750 {
AzureIoTClient 6:641a9672db08 751 amqp_binary challenge_binary_value;
AzureIoTClient 6:641a9672db08 752 SASL_MECHANISM_BYTES response_bytes;
Azure.IoT Build 0:6ae2f7bca550 753
AzureIoTClient 6:641a9672db08 754 /* Codes_SRS_SASLCLIENTIO_01_053: [Challenge information, a block of opaque binary data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 755 if (sasl_challenge_get_challenge(sasl_challenge_handle, &challenge_binary_value) != 0)
AzureIoTClient 6:641a9672db08 756 {
AzureIoTClient 6:641a9672db08 757 /* 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 758 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 759 }
AzureIoTClient 6:641a9672db08 760 else
AzureIoTClient 6:641a9672db08 761 {
AzureIoTClient 6:641a9672db08 762 SASL_MECHANISM_BYTES challenge;
AzureIoTClient 6:641a9672db08 763
AzureIoTClient 6:641a9672db08 764 challenge.bytes = challenge_binary_value.bytes;
AzureIoTClient 6:641a9672db08 765 challenge.length = challenge_binary_value.length;
Azure.IoT Build 0:6ae2f7bca550 766
AzureIoTClient 6:641a9672db08 767 /* Codes_SRS_SASLCLIENTIO_01_057: [The contents of this data are defined by the SASL security mechanism.] */
AzureIoTClient 6:641a9672db08 768 /* Codes_SRS_SASLCLIENTIO_01_037: [SASL-RESPONSE -->] */
AzureIoTClient 6:641a9672db08 769 if ((saslmechanism_challenge(sasl_client_io_instance->sasl_mechanism, &challenge, &response_bytes) != 0) ||
AzureIoTClient 6:641a9672db08 770 (send_sasl_response(sasl_client_io_instance, response_bytes) != 0))
AzureIoTClient 6:641a9672db08 771 {
AzureIoTClient 6:641a9672db08 772 /* 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 773 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 774 }
AzureIoTClient 6:641a9672db08 775 }
Azure.IoT Build 0:6ae2f7bca550 776
AzureIoTClient 6:641a9672db08 777 sasl_challenge_destroy(sasl_challenge_handle);
AzureIoTClient 6:641a9672db08 778 }
AzureIoTClient 6:641a9672db08 779 }
AzureIoTClient 6:641a9672db08 780 }
AzureIoTClient 6:641a9672db08 781 /* Codes_SRS_SASLCLIENTIO_01_058: [This frame indicates the outcome of the SASL dialog.] */
AzureIoTClient 6:641a9672db08 782 /* Codes_SRS_SASLCLIENTIO_01_038: [<-- SASL-OUTCOME] */
AzureIoTClient 6:641a9672db08 783 else if (is_sasl_outcome_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 784 {
AzureIoTClient 6:641a9672db08 785 /* 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 786 if ((sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_INIT_SENT) &&
AzureIoTClient 6:641a9672db08 787 (sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_RESPONSE_SENT))
AzureIoTClient 6:641a9672db08 788 {
AzureIoTClient 6:641a9672db08 789 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 790 }
AzureIoTClient 6:641a9672db08 791 else
AzureIoTClient 6:641a9672db08 792 {
AzureIoTClient 6:641a9672db08 793 SASL_OUTCOME_HANDLE sasl_outcome;
Azure.IoT Build 0:6ae2f7bca550 794
AzureIoTClient 6:641a9672db08 795 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD;
Azure.IoT Build 0:6ae2f7bca550 796
AzureIoTClient 6:641a9672db08 797 if (amqpvalue_get_sasl_outcome(sasl_frame, &sasl_outcome) != 0)
AzureIoTClient 6:641a9672db08 798 {
AzureIoTClient 6:641a9672db08 799 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 800 }
AzureIoTClient 6:641a9672db08 801 else
AzureIoTClient 6:641a9672db08 802 {
AzureIoTClient 6:641a9672db08 803 sasl_code sasl_code;
Azure.IoT Build 0:6ae2f7bca550 804
AzureIoTClient 6:641a9672db08 805 /* Codes_SRS_SASLCLIENTIO_01_060: [A reply-code indicating the outcome of the SASL dialog.] */
AzureIoTClient 6:641a9672db08 806 if (sasl_outcome_get_code(sasl_outcome, &sasl_code) != 0)
AzureIoTClient 6:641a9672db08 807 {
AzureIoTClient 6:641a9672db08 808 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 809 }
AzureIoTClient 6:641a9672db08 810 else
AzureIoTClient 6:641a9672db08 811 {
AzureIoTClient 6:641a9672db08 812 switch (sasl_code)
AzureIoTClient 6:641a9672db08 813 {
AzureIoTClient 6:641a9672db08 814 default:
AzureIoTClient 6:641a9672db08 815 case sasl_code_auth:
AzureIoTClient 6:641a9672db08 816 /* Codes_SRS_SASLCLIENTIO_01_063: [1 Connection authentication failed due to an unspecified problem with the supplied credentials.] */
AzureIoTClient 6:641a9672db08 817 case sasl_code_sys:
AzureIoTClient 6:641a9672db08 818 /* Codes_SRS_SASLCLIENTIO_01_064: [2 Connection authentication failed due to a system error.] */
AzureIoTClient 6:641a9672db08 819 case sasl_code_sys_perm:
AzureIoTClient 6:641a9672db08 820 /* 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 821 case sasl_code_sys_temp:
AzureIoTClient 6:641a9672db08 822 /* Codes_SRS_SASLCLIENTIO_01_066: [4 Connection authentication failed due to a transient system error.] */
AzureIoTClient 6:641a9672db08 823 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 824 break;
Azure.IoT Build 0:6ae2f7bca550 825
AzureIoTClient 6:641a9672db08 826 case sasl_code_ok:
AzureIoTClient 6:641a9672db08 827 /* Codes_SRS_SASLCLIENTIO_01_059: [Upon successful completion of the SASL dialog the security layer has been established] */
AzureIoTClient 6:641a9672db08 828 /* Codes_SRS_SASLCLIENTIO_01_062: [0 Connection authentication succeeded.] */
AzureIoTClient 6:641a9672db08 829 sasl_client_io_instance->io_state = IO_STATE_OPEN;
AzureIoTClient 6:641a9672db08 830 indicate_open_complete(sasl_client_io_instance, IO_OPEN_OK);
AzureIoTClient 6:641a9672db08 831 break;
AzureIoTClient 6:641a9672db08 832 }
AzureIoTClient 6:641a9672db08 833 }
Azure.IoT Build 0:6ae2f7bca550 834
AzureIoTClient 6:641a9672db08 835 sasl_outcome_destroy(sasl_outcome);
AzureIoTClient 6:641a9672db08 836 }
AzureIoTClient 6:641a9672db08 837 }
AzureIoTClient 6:641a9672db08 838 }
AzureIoTClient 6:641a9672db08 839 else
AzureIoTClient 6:641a9672db08 840 {
AzureIoTClient 6:641a9672db08 841 LogError("Bad SASL frame");
AzureIoTClient 6:641a9672db08 842 }
AzureIoTClient 6:641a9672db08 843 }
AzureIoTClient 6:641a9672db08 844 }
AzureIoTClient 6:641a9672db08 845 break;
AzureIoTClient 6:641a9672db08 846 }
Azure.IoT Build 0:6ae2f7bca550 847 }
Azure.IoT Build 0:6ae2f7bca550 848
Azure.IoT Build 0:6ae2f7bca550 849 static void on_frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 850 {
AzureIoTClient 6:641a9672db08 851 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 852
AzureIoTClient 6:641a9672db08 853 /* 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 854 /* Codes_SRS_SASLCLIENTIO_01_123: [When on_frame_codec_error is called in the ERROR state nothing shall be done.] */
AzureIoTClient 6:641a9672db08 855 handle_error(sasl_client_io_instance);
Azure.IoT Build 0:6ae2f7bca550 856 }
Azure.IoT Build 0:6ae2f7bca550 857
Azure.IoT Build 0:6ae2f7bca550 858 static void on_sasl_frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 859 {
AzureIoTClient 6:641a9672db08 860 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 861
AzureIoTClient 6:641a9672db08 862 /* 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 863 /* Codes_SRS_SASLCLIENTIO_01_125: [When on_sasl_frame_codec_error is called in the ERROR state nothing shall be done.] */
AzureIoTClient 6:641a9672db08 864 handle_error(sasl_client_io_instance);
Azure.IoT Build 0:6ae2f7bca550 865 }
Azure.IoT Build 0:6ae2f7bca550 866
Azure.IoT Build 5:ae49385aff34 867 CONCRETE_IO_HANDLE saslclientio_create(void* io_create_parameters)
Azure.IoT Build 0:6ae2f7bca550 868 {
AzureIoTClient 6:641a9672db08 869 SASLCLIENTIO_CONFIG* sasl_client_io_config = io_create_parameters;
AzureIoTClient 6:641a9672db08 870 SASL_CLIENT_IO_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 871
AzureIoTClient 6:641a9672db08 872 /* Codes_SRS_SASLCLIENTIO_01_005: [If xio_create_parameters is NULL, saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 873 if ((sasl_client_io_config == NULL) ||
AzureIoTClient 6:641a9672db08 874 /* 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 875 (sasl_client_io_config->underlying_io == NULL) ||
AzureIoTClient 6:641a9672db08 876 (sasl_client_io_config->sasl_mechanism == NULL))
AzureIoTClient 6:641a9672db08 877 {
AzureIoTClient 6:641a9672db08 878 result = NULL;
AzureIoTClient 6:641a9672db08 879 }
AzureIoTClient 6:641a9672db08 880 else
AzureIoTClient 6:641a9672db08 881 {
AzureIoTClient 6:641a9672db08 882 result = amqpalloc_malloc(sizeof(SASL_CLIENT_IO_INSTANCE));
AzureIoTClient 6:641a9672db08 883 /* Codes_SRS_SASLCLIENTIO_01_006: [If memory cannot be allocated for the new instance, saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 884 if (result != NULL)
AzureIoTClient 6:641a9672db08 885 {
AzureIoTClient 6:641a9672db08 886 result->underlying_io = sasl_client_io_config->underlying_io;
AzureIoTClient 6:641a9672db08 887 if (result->underlying_io == NULL)
AzureIoTClient 6:641a9672db08 888 {
AzureIoTClient 6:641a9672db08 889 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 890 result = NULL;
AzureIoTClient 6:641a9672db08 891 }
AzureIoTClient 6:641a9672db08 892 else
AzureIoTClient 6:641a9672db08 893 {
AzureIoTClient 6:641a9672db08 894 /* 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 895 result->frame_codec = frame_codec_create(on_frame_codec_error, result);
AzureIoTClient 6:641a9672db08 896 if (result->frame_codec == NULL)
AzureIoTClient 6:641a9672db08 897 {
AzureIoTClient 6:641a9672db08 898 /* Codes_SRS_SASLCLIENTIO_01_090: [If frame_codec_create fails, then saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 899 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 900 result = NULL;
AzureIoTClient 6:641a9672db08 901 }
AzureIoTClient 6:641a9672db08 902 else
AzureIoTClient 6:641a9672db08 903 {
AzureIoTClient 6:641a9672db08 904 /* 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 905 result->sasl_frame_codec = sasl_frame_codec_create(result->frame_codec, sasl_frame_received_callback, on_sasl_frame_codec_error, result);
AzureIoTClient 6:641a9672db08 906 if (result->sasl_frame_codec == NULL)
AzureIoTClient 6:641a9672db08 907 {
AzureIoTClient 6:641a9672db08 908 frame_codec_destroy(result->frame_codec);
AzureIoTClient 6:641a9672db08 909 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 910 result = NULL;
AzureIoTClient 6:641a9672db08 911 }
AzureIoTClient 6:641a9672db08 912 else
AzureIoTClient 6:641a9672db08 913 {
AzureIoTClient 6:641a9672db08 914 /* 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 915 result->on_bytes_received = NULL;
AzureIoTClient 6:641a9672db08 916 result->on_io_open_complete = NULL;
AzureIoTClient 6:641a9672db08 917 result->on_io_error = NULL;
AzureIoTClient 6:641a9672db08 918 result->on_io_close_complete = NULL;
Azure.IoT Build 0:6ae2f7bca550 919 result->on_bytes_received_context = NULL;
AzureIoTClient 6:641a9672db08 920 result->on_io_open_complete_context = NULL;
AzureIoTClient 6:641a9672db08 921 result->on_io_close_complete_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 922 result->on_io_error_context = NULL;
AzureIoTClient 6:641a9672db08 923 result->sasl_mechanism = sasl_client_io_config->sasl_mechanism;
Azure.IoT Build 0:6ae2f7bca550 924
AzureIoTClient 6:641a9672db08 925 result->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 926 }
AzureIoTClient 6:641a9672db08 927 }
AzureIoTClient 6:641a9672db08 928 }
AzureIoTClient 6:641a9672db08 929 }
AzureIoTClient 6:641a9672db08 930 }
Azure.IoT Build 0:6ae2f7bca550 931
AzureIoTClient 6:641a9672db08 932 return result;
Azure.IoT Build 0:6ae2f7bca550 933 }
Azure.IoT Build 0:6ae2f7bca550 934
Azure.IoT Build 0:6ae2f7bca550 935 void saslclientio_destroy(CONCRETE_IO_HANDLE sasl_client_io)
Azure.IoT Build 0:6ae2f7bca550 936 {
AzureIoTClient 6:641a9672db08 937 if (sasl_client_io != NULL)
AzureIoTClient 6:641a9672db08 938 {
AzureIoTClient 6:641a9672db08 939 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 940
AzureIoTClient 6:641a9672db08 941 /* Codes_SRS_SASLCLIENTIO_01_007: [saslclientio_destroy shall free all resources associated with the SASL client IO handle.] */
AzureIoTClient 6:641a9672db08 942 /* 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 943 sasl_frame_codec_destroy(sasl_client_io_instance->sasl_frame_codec);
Azure.IoT Build 0:6ae2f7bca550 944
AzureIoTClient 6:641a9672db08 945 /* Codes_SRS_SASLCLIENTIO_01_091: [saslclientio_destroy shall destroy the frame_codec created in saslclientio_create by calling frame_codec_destroy.] */
AzureIoTClient 6:641a9672db08 946 frame_codec_destroy(sasl_client_io_instance->frame_codec);
AzureIoTClient 6:641a9672db08 947 amqpalloc_free(sasl_client_io);
AzureIoTClient 6:641a9672db08 948 }
Azure.IoT Build 0:6ae2f7bca550 949 }
Azure.IoT Build 0:6ae2f7bca550 950
Azure.IoT Build 0:6ae2f7bca550 951 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 952 {
AzureIoTClient 6:641a9672db08 953 int result = 0;
Azure.IoT Build 0:6ae2f7bca550 954
AzureIoTClient 6:641a9672db08 955 /* 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 956 if ((sasl_client_io == NULL) ||
AzureIoTClient 6:641a9672db08 957 (on_bytes_received == NULL))
AzureIoTClient 6:641a9672db08 958 {
AzureIoTClient 6:641a9672db08 959 result = __LINE__;
AzureIoTClient 6:641a9672db08 960 }
AzureIoTClient 6:641a9672db08 961 else
AzureIoTClient 6:641a9672db08 962 {
AzureIoTClient 6:641a9672db08 963 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 964
AzureIoTClient 6:641a9672db08 965 if (sasl_client_io_instance->io_state != IO_STATE_NOT_OPEN)
AzureIoTClient 6:641a9672db08 966 {
AzureIoTClient 6:641a9672db08 967 result = __LINE__;
AzureIoTClient 6:641a9672db08 968 }
AzureIoTClient 6:641a9672db08 969 else
AzureIoTClient 6:641a9672db08 970 {
AzureIoTClient 6:641a9672db08 971 sasl_client_io_instance->on_bytes_received = on_bytes_received;
AzureIoTClient 6:641a9672db08 972 sasl_client_io_instance->on_io_open_complete = on_io_open_complete;
AzureIoTClient 6:641a9672db08 973 sasl_client_io_instance->on_io_error = on_io_error;
AzureIoTClient 6:641a9672db08 974 sasl_client_io_instance->on_bytes_received_context = on_bytes_received_context;
Azure.IoT Build 0:6ae2f7bca550 975 sasl_client_io_instance->on_io_open_complete_context = on_io_open_complete_context;
Azure.IoT Build 0:6ae2f7bca550 976 sasl_client_io_instance->on_io_error_context = on_io_error_context;
AzureIoTClient 6:641a9672db08 977 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_IDLE;
AzureIoTClient 6:641a9672db08 978 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_NOT_STARTED;
AzureIoTClient 6:641a9672db08 979 sasl_client_io_instance->header_bytes_received = 0;
AzureIoTClient 6:641a9672db08 980 sasl_client_io_instance->io_state = IO_STATE_OPENING_UNDERLYING_IO;
AzureIoTClient 6:641a9672db08 981 sasl_client_io_instance->is_trace_on = 0;
Azure.IoT Build 0:6ae2f7bca550 982
AzureIoTClient 6:641a9672db08 983 /* Codes_SRS_SASLCLIENTIO_01_009: [saslclientio_open shall call xio_open on the underlying_io passed to saslclientio_create.] */
AzureIoTClient 6:641a9672db08 984 /* 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 985 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 986 {
AzureIoTClient 6:641a9672db08 987 /* 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 988 result = __LINE__;
AzureIoTClient 6:641a9672db08 989 }
AzureIoTClient 6:641a9672db08 990 else
AzureIoTClient 6:641a9672db08 991 {
AzureIoTClient 6:641a9672db08 992 /* Codes_SRS_SASLCLIENTIO_01_010: [On success, saslclientio_open shall return 0.] */
AzureIoTClient 6:641a9672db08 993 result = 0;
AzureIoTClient 6:641a9672db08 994 }
AzureIoTClient 6:641a9672db08 995 }
AzureIoTClient 6:641a9672db08 996 }
AzureIoTClient 6:641a9672db08 997
AzureIoTClient 6:641a9672db08 998 return result;
Azure.IoT Build 0:6ae2f7bca550 999 }
Azure.IoT Build 0:6ae2f7bca550 1000
Azure.IoT Build 0:6ae2f7bca550 1001 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 1002 {
AzureIoTClient 6:641a9672db08 1003 int result = 0;
Azure.IoT Build 0:6ae2f7bca550 1004
AzureIoTClient 6:641a9672db08 1005 /* Codes_SRS_SASLCLIENTIO_01_017: [If sasl_client_io is NULL, saslclientio_close shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1006 if (sasl_client_io == NULL)
AzureIoTClient 6:641a9672db08 1007 {
AzureIoTClient 6:641a9672db08 1008 result = __LINE__;
AzureIoTClient 6:641a9672db08 1009 }
AzureIoTClient 6:641a9672db08 1010 else
AzureIoTClient 6:641a9672db08 1011 {
AzureIoTClient 6:641a9672db08 1012 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1013
AzureIoTClient 6:641a9672db08 1014 /* Codes_SRS_SASLCLIENTIO_01_098: [saslclientio_close shall only perform the close if the state is OPEN, OPENING or ERROR.] */
AzureIoTClient 6:641a9672db08 1015 if ((sasl_client_io_instance->io_state == IO_STATE_NOT_OPEN) ||
AzureIoTClient 6:641a9672db08 1016 (sasl_client_io_instance->io_state == IO_STATE_CLOSING))
AzureIoTClient 6:641a9672db08 1017 {
AzureIoTClient 6:641a9672db08 1018 result = __LINE__;
AzureIoTClient 6:641a9672db08 1019 }
AzureIoTClient 6:641a9672db08 1020 else
AzureIoTClient 6:641a9672db08 1021 {
AzureIoTClient 6:641a9672db08 1022 sasl_client_io_instance->io_state = IO_STATE_CLOSING;
Azure.IoT Build 0:6ae2f7bca550 1023
Azure.IoT Build 0:6ae2f7bca550 1024 sasl_client_io_instance->on_io_close_complete = on_io_close_complete;
Azure.IoT Build 0:6ae2f7bca550 1025 sasl_client_io_instance->on_io_close_complete_context = on_io_close_complete_context;
Azure.IoT Build 0:6ae2f7bca550 1026
AzureIoTClient 6:641a9672db08 1027 /* Codes_SRS_SASLCLIENTIO_01_015: [saslclientio_close shall close the underlying io handle passed in saslclientio_create by calling xio_close.] */
AzureIoTClient 6:641a9672db08 1028 if (xio_close(sasl_client_io_instance->underlying_io, on_underlying_io_close_complete, sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 1029 {
AzureIoTClient 6:641a9672db08 1030 /* Codes_SRS_SASLCLIENTIO_01_018: [If xio_close fails, then saslclientio_close shall return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1031 result = __LINE__;
AzureIoTClient 6:641a9672db08 1032 }
AzureIoTClient 6:641a9672db08 1033 else
AzureIoTClient 6:641a9672db08 1034 {
AzureIoTClient 6:641a9672db08 1035 /* Codes_SRS_SASLCLIENTIO_01_016: [On success, saslclientio_close shall return 0.] */
AzureIoTClient 6:641a9672db08 1036 result = 0;
AzureIoTClient 6:641a9672db08 1037 }
AzureIoTClient 6:641a9672db08 1038 }
AzureIoTClient 6:641a9672db08 1039 }
Azure.IoT Build 0:6ae2f7bca550 1040
AzureIoTClient 6:641a9672db08 1041 return result;
Azure.IoT Build 0:6ae2f7bca550 1042 }
Azure.IoT Build 0:6ae2f7bca550 1043
Azure.IoT Build 0:6ae2f7bca550 1044 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 1045 {
AzureIoTClient 6:641a9672db08 1046 int result;
Azure.IoT Build 0:6ae2f7bca550 1047
AzureIoTClient 6:641a9672db08 1048 /* 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 1049 if ((sasl_client_io == NULL) ||
AzureIoTClient 6:641a9672db08 1050 (buffer == NULL) ||
AzureIoTClient 6:641a9672db08 1051 /* Codes_SRS_SASLCLIENTIO_01_023: [If size is 0, saslclientio_send shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1052 (size == 0))
AzureIoTClient 6:641a9672db08 1053 {
AzureIoTClient 6:641a9672db08 1054 /* Invalid arguments */
AzureIoTClient 6:641a9672db08 1055 result = __LINE__;
AzureIoTClient 6:641a9672db08 1056 }
AzureIoTClient 6:641a9672db08 1057 else
AzureIoTClient 6:641a9672db08 1058 {
AzureIoTClient 6:641a9672db08 1059 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1060
AzureIoTClient 6:641a9672db08 1061 /* 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 1062 if (sasl_client_io_instance->io_state != IO_STATE_OPEN)
AzureIoTClient 6:641a9672db08 1063 {
AzureIoTClient 6:641a9672db08 1064 result = __LINE__;
AzureIoTClient 6:641a9672db08 1065 }
AzureIoTClient 6:641a9672db08 1066 else
AzureIoTClient 6:641a9672db08 1067 {
AzureIoTClient 6:641a9672db08 1068 /* 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 1069 if (xio_send(sasl_client_io_instance->underlying_io, buffer, size, on_send_complete, callback_context) != 0)
AzureIoTClient 6:641a9672db08 1070 {
AzureIoTClient 6:641a9672db08 1071 /* 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 1072 result = __LINE__;
AzureIoTClient 6:641a9672db08 1073 }
AzureIoTClient 6:641a9672db08 1074 else
AzureIoTClient 6:641a9672db08 1075 {
AzureIoTClient 6:641a9672db08 1076 /* Codes_SRS_SASLCLIENTIO_01_021: [On success, saslclientio_send shall return 0.] */
AzureIoTClient 6:641a9672db08 1077 result = 0;
AzureIoTClient 6:641a9672db08 1078 }
AzureIoTClient 6:641a9672db08 1079 }
AzureIoTClient 6:641a9672db08 1080 }
Azure.IoT Build 0:6ae2f7bca550 1081
AzureIoTClient 6:641a9672db08 1082 return result;
Azure.IoT Build 0:6ae2f7bca550 1083 }
Azure.IoT Build 0:6ae2f7bca550 1084
Azure.IoT Build 0:6ae2f7bca550 1085 void saslclientio_dowork(CONCRETE_IO_HANDLE sasl_client_io)
Azure.IoT Build 0:6ae2f7bca550 1086 {
AzureIoTClient 6:641a9672db08 1087 /* Codes_SRS_SASLCLIENTIO_01_026: [If the sasl_client_io argument is NULL, saslclientio_dowork shall do nothing.] */
AzureIoTClient 6:641a9672db08 1088 if (sasl_client_io != NULL)
AzureIoTClient 6:641a9672db08 1089 {
AzureIoTClient 6:641a9672db08 1090 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1091
AzureIoTClient 6:641a9672db08 1092 /* Codes_SRS_SASLCLIENTIO_01_025: [saslclientio_dowork shall call the xio_dowork on the underlying_io passed in saslclientio_create.] */
AzureIoTClient 6:641a9672db08 1093 if (sasl_client_io_instance->io_state != IO_STATE_NOT_OPEN)
AzureIoTClient 6:641a9672db08 1094 {
AzureIoTClient 6:641a9672db08 1095 /* Codes_SRS_SASLCLIENTIO_01_025: [saslclientio_dowork shall call the xio_dowork on the underlying_io passed in saslclientio_create.] */
AzureIoTClient 6:641a9672db08 1096 xio_dowork(sasl_client_io_instance->underlying_io);
AzureIoTClient 6:641a9672db08 1097 }
AzureIoTClient 6:641a9672db08 1098 }
Azure.IoT Build 0:6ae2f7bca550 1099 }
Azure.IoT Build 0:6ae2f7bca550 1100
AzureIoTClient 1:eab586236bfe 1101 /* Codes_SRS_SASLCLIENTIO_03_001: [saslclientio_setoption shall forward options to underlying io.]*/
AzureIoTClient 1:eab586236bfe 1102 int saslclientio_setoption(CONCRETE_IO_HANDLE sasl_client_io, const char* optionName, const void* value)
Azure.IoT Build 0:6ae2f7bca550 1103 {
AzureIoTClient 1:eab586236bfe 1104 int result;
AzureIoTClient 1:eab586236bfe 1105
AzureIoTClient 1:eab586236bfe 1106 if (sasl_client_io == NULL)
AzureIoTClient 1:eab586236bfe 1107 {
AzureIoTClient 1:eab586236bfe 1108 result = __LINE__;
AzureIoTClient 1:eab586236bfe 1109 }
AzureIoTClient 1:eab586236bfe 1110 else
AzureIoTClient 1:eab586236bfe 1111 {
AzureIoTClient 1:eab586236bfe 1112 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
AzureIoTClient 1:eab586236bfe 1113
AzureIoTClient 1:eab586236bfe 1114 if (sasl_client_io_instance->underlying_io == NULL)
AzureIoTClient 1:eab586236bfe 1115 {
AzureIoTClient 1:eab586236bfe 1116 result = __LINE__;
AzureIoTClient 1:eab586236bfe 1117 }
AzureIoTClient 6:641a9672db08 1118 else if (strcmp("logtrace", optionName) == 0)
AzureIoTClient 6:641a9672db08 1119 {
AzureIoTClient 6:641a9672db08 1120 sasl_client_io_instance->is_trace_on = *((bool*)value) == true ? 1 : 0;
AzureIoTClient 6:641a9672db08 1121 result = 0;
AzureIoTClient 6:641a9672db08 1122 }
AzureIoTClient 1:eab586236bfe 1123 else
AzureIoTClient 1:eab586236bfe 1124 {
AzureIoTClient 1:eab586236bfe 1125 result = xio_setoption(sasl_client_io_instance->underlying_io, optionName, value);
AzureIoTClient 1:eab586236bfe 1126 }
AzureIoTClient 1:eab586236bfe 1127 }
AzureIoTClient 6:641a9672db08 1128 return result;
AzureIoTClient 6:641a9672db08 1129 }
AzureIoTClient 1:eab586236bfe 1130
AzureIoTClient 6:641a9672db08 1131 /*this function will clone an option given by name and value*/
AzureIoTClient 6:641a9672db08 1132 static void* saslclientio_CloneOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 1133 {
AzureIoTClient 6:641a9672db08 1134 (void)(name, value);
AzureIoTClient 6:641a9672db08 1135 return NULL;
AzureIoTClient 6:641a9672db08 1136 }
AzureIoTClient 6:641a9672db08 1137
AzureIoTClient 6:641a9672db08 1138 /*this function destroys an option previously created*/
AzureIoTClient 6:641a9672db08 1139 static void saslclientio_DestroyOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 1140 {
AzureIoTClient 6:641a9672db08 1141 (void)(name, value);
AzureIoTClient 6:641a9672db08 1142 }
AzureIoTClient 6:641a9672db08 1143
AzureIoTClient 6:641a9672db08 1144 static OPTIONHANDLER_HANDLE saslclientio_retrieveoptions(CONCRETE_IO_HANDLE handle)
AzureIoTClient 6:641a9672db08 1145 {
AzureIoTClient 6:641a9672db08 1146 OPTIONHANDLER_HANDLE result;
AzureIoTClient 6:641a9672db08 1147 (void)handle;
AzureIoTClient 6:641a9672db08 1148 result = OptionHandler_Create(saslclientio_CloneOption, saslclientio_DestroyOption, saslclientio_setoption);
AzureIoTClient 6:641a9672db08 1149 if (result == NULL)
AzureIoTClient 6:641a9672db08 1150 {
AzureIoTClient 6:641a9672db08 1151 LogError("unable to OptionHandler_Create");
AzureIoTClient 6:641a9672db08 1152 /*return as is*/
AzureIoTClient 6:641a9672db08 1153 }
AzureIoTClient 6:641a9672db08 1154 else
AzureIoTClient 6:641a9672db08 1155 {
AzureIoTClient 6:641a9672db08 1156 /*insert here work to add the options to "result" handle*/
AzureIoTClient 6:641a9672db08 1157 }
AzureIoTClient 1:eab586236bfe 1158 return result;
Azure.IoT Build 0:6ae2f7bca550 1159 }
Azure.IoT Build 0:6ae2f7bca550 1160
Azure.IoT Build 0:6ae2f7bca550 1161 static const IO_INTERFACE_DESCRIPTION sasl_client_io_interface_description =
Azure.IoT Build 0:6ae2f7bca550 1162 {
AzureIoTClient 6:641a9672db08 1163 saslclientio_retrieveoptions,
AzureIoTClient 6:641a9672db08 1164 saslclientio_create,
AzureIoTClient 6:641a9672db08 1165 saslclientio_destroy,
AzureIoTClient 6:641a9672db08 1166 saslclientio_open,
AzureIoTClient 6:641a9672db08 1167 saslclientio_close,
AzureIoTClient 6:641a9672db08 1168 saslclientio_send,
AzureIoTClient 6:641a9672db08 1169 saslclientio_dowork,
Azure.IoT Build 0:6ae2f7bca550 1170 saslclientio_setoption
Azure.IoT Build 0:6ae2f7bca550 1171 };
Azure.IoT Build 0:6ae2f7bca550 1172
Azure.IoT Build 0:6ae2f7bca550 1173 /* 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 1174 const IO_INTERFACE_DESCRIPTION* saslclientio_get_interface_description(void)
Azure.IoT Build 0:6ae2f7bca550 1175 {
AzureIoTClient 6:641a9672db08 1176 return &sasl_client_io_interface_description;
Azure.IoT Build 0:6ae2f7bca550 1177 }