Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

saslclientio.c@6:641a9672db08, 2016-07-29 (annotated)

Committer:
AzureIoTClient
Date:
Fri Jul 29 15:58:39 2016 -0700
Revision:
6:641a9672db08
Parent:
5:ae49385aff34
Child:
7:9e9ab3b0efef
1.0.10

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
Azure.IoT Build 0:6ae2f7bca550 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 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 6:641a9672db08 273 LOG(LOG_TRACE, 0, "<- ");
AzureIoTClient 6:641a9672db08 274 LOG(LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 6:641a9672db08 275 char* performative_as_string = NULL;
AzureIoTClient 6:641a9672db08 276 LOG(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 }
Azure.IoT Build 0:6ae2f7bca550 283 }
Azure.IoT Build 0:6ae2f7bca550 284
AzureIoTClient 6:641a9672db08 285 static void log_outgoing_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 286 {
AzureIoTClient 6:641a9672db08 287 if (xlogging_get_log_function() != NULL)
AzureIoTClient 6:641a9672db08 288 {
AzureIoTClient 6:641a9672db08 289 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 6:641a9672db08 290 if (descriptor != NULL)
AzureIoTClient 6:641a9672db08 291 {
AzureIoTClient 6:641a9672db08 292 LOG(LOG_TRACE, 0, "-> ");
AzureIoTClient 6:641a9672db08 293 LOG(LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 6:641a9672db08 294 char* performative_as_string = NULL;
AzureIoTClient 6:641a9672db08 295 LOG(LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 6:641a9672db08 296 if (performative_as_string != NULL)
AzureIoTClient 6:641a9672db08 297 {
AzureIoTClient 6:641a9672db08 298 amqpalloc_free(performative_as_string);
AzureIoTClient 6:641a9672db08 299 }
AzureIoTClient 6:641a9672db08 300 }
AzureIoTClient 6:641a9672db08 301 }
Azure.IoT Build 0:6ae2f7bca550 302 }
Azure.IoT Build 0:6ae2f7bca550 303
Azure.IoT Build 0:6ae2f7bca550 304 static int saslclientio_receive_byte(SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance, unsigned char b)
Azure.IoT Build 0:6ae2f7bca550 305 {
AzureIoTClient 6:641a9672db08 306 int result;
Azure.IoT Build 0:6ae2f7bca550 307
AzureIoTClient 6:641a9672db08 308 switch (sasl_client_io_instance->sasl_header_exchange_state)
AzureIoTClient 6:641a9672db08 309 {
AzureIoTClient 6:641a9672db08 310 default:
AzureIoTClient 6:641a9672db08 311 result = __LINE__;
AzureIoTClient 6:641a9672db08 312 break;
Azure.IoT Build 0:6ae2f7bca550 313
AzureIoTClient 6:641a9672db08 314 case SASL_HEADER_EXCHANGE_HEADER_EXCH:
AzureIoTClient 6:641a9672db08 315 switch (sasl_client_io_instance->sasl_client_negotiation_state)
AzureIoTClient 6:641a9672db08 316 {
AzureIoTClient 6:641a9672db08 317 case SASL_CLIENT_NEGOTIATION_ERROR:
AzureIoTClient 6:641a9672db08 318 result = __LINE__;
AzureIoTClient 6:641a9672db08 319 break;
Azure.IoT Build 0:6ae2f7bca550 320
AzureIoTClient 6:641a9672db08 321 default:
AzureIoTClient 6:641a9672db08 322 /* 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 323 if (frame_codec_receive_bytes(sasl_client_io_instance->frame_codec, &b, 1) != 0)
AzureIoTClient 6:641a9672db08 324 {
AzureIoTClient 6:641a9672db08 325 /* 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 326 result = __LINE__;
AzureIoTClient 6:641a9672db08 327 }
AzureIoTClient 6:641a9672db08 328 else
AzureIoTClient 6:641a9672db08 329 {
AzureIoTClient 6:641a9672db08 330 result = 0;
AzureIoTClient 6:641a9672db08 331 }
Azure.IoT Build 0:6ae2f7bca550 332
AzureIoTClient 6:641a9672db08 333 break;
Azure.IoT Build 0:6ae2f7bca550 334
AzureIoTClient 6:641a9672db08 335 case SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD:
AzureIoTClient 6:641a9672db08 336 sasl_client_io_instance->on_bytes_received(sasl_client_io_instance->on_bytes_received_context, &b, 1);
AzureIoTClient 6:641a9672db08 337 result = 0;
AzureIoTClient 6:641a9672db08 338 break;
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 /* 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 344 case SASL_HEADER_EXCHANGE_IDLE:
AzureIoTClient 6:641a9672db08 345 case SASL_HEADER_EXCHANGE_HEADER_SENT:
AzureIoTClient 6:641a9672db08 346 if (b != sasl_header[sasl_client_io_instance->header_bytes_received])
AzureIoTClient 6:641a9672db08 347 {
AzureIoTClient 6:641a9672db08 348 result = __LINE__;
AzureIoTClient 6:641a9672db08 349 }
AzureIoTClient 6:641a9672db08 350 else
AzureIoTClient 6:641a9672db08 351 {
AzureIoTClient 6:641a9672db08 352 sasl_client_io_instance->header_bytes_received++;
AzureIoTClient 6:641a9672db08 353 if (sasl_client_io_instance->header_bytes_received == sizeof(sasl_header))
AzureIoTClient 6:641a9672db08 354 {
AzureIoTClient 6:641a9672db08 355 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 356 {
AzureIoTClient 6:641a9672db08 357 LOG(LOG_TRACE, LOG_LINE, "<- Header (AMQP 3.1.0.0)");
AzureIoTClient 6:641a9672db08 358 }
Azure.IoT Build 0:6ae2f7bca550 359
AzureIoTClient 6:641a9672db08 360 switch (sasl_client_io_instance->sasl_header_exchange_state)
AzureIoTClient 6:641a9672db08 361 {
AzureIoTClient 6:641a9672db08 362 default:
AzureIoTClient 6:641a9672db08 363 result = __LINE__;
AzureIoTClient 6:641a9672db08 364 break;
AzureIoTClient 6:641a9672db08 365
AzureIoTClient 6:641a9672db08 366 case SASL_HEADER_EXCHANGE_HEADER_SENT:
AzureIoTClient 6:641a9672db08 367 /* from this point on we need to decode SASL frames */
AzureIoTClient 6:641a9672db08 368 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_EXCH;
AzureIoTClient 6:641a9672db08 369 result = 0;
AzureIoTClient 6:641a9672db08 370 break;
Azure.IoT Build 0:6ae2f7bca550 371
AzureIoTClient 6:641a9672db08 372 case SASL_HEADER_EXCHANGE_IDLE:
AzureIoTClient 6:641a9672db08 373 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_HEADER_RCVD;
AzureIoTClient 6:641a9672db08 374 if (send_sasl_header(sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 375 {
AzureIoTClient 6:641a9672db08 376 /* 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 377 result = __LINE__;
AzureIoTClient 6:641a9672db08 378 }
AzureIoTClient 6:641a9672db08 379 else
AzureIoTClient 6:641a9672db08 380 {
AzureIoTClient 6:641a9672db08 381 result = 0;
AzureIoTClient 6:641a9672db08 382 }
Azure.IoT Build 0:6ae2f7bca550 383
AzureIoTClient 6:641a9672db08 384 break;
AzureIoTClient 6:641a9672db08 385 }
AzureIoTClient 6:641a9672db08 386 }
AzureIoTClient 6:641a9672db08 387 else
AzureIoTClient 6:641a9672db08 388 {
AzureIoTClient 6:641a9672db08 389 result = 0;
AzureIoTClient 6:641a9672db08 390 }
AzureIoTClient 6:641a9672db08 391 }
Azure.IoT Build 0:6ae2f7bca550 392
AzureIoTClient 6:641a9672db08 393 break;
AzureIoTClient 6:641a9672db08 394 }
AzureIoTClient 6:641a9672db08 395
AzureIoTClient 6:641a9672db08 396 return result;
Azure.IoT Build 0:6ae2f7bca550 397 }
Azure.IoT Build 0:6ae2f7bca550 398
Azure.IoT Build 0:6ae2f7bca550 399 static void on_underlying_io_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:6ae2f7bca550 400 {
AzureIoTClient 6:641a9672db08 401 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 402
AzureIoTClient 6:641a9672db08 403 /* 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 404 if ((buffer == NULL) ||
AzureIoTClient 6:641a9672db08 405 (size == 0))
AzureIoTClient 6:641a9672db08 406 {
AzureIoTClient 6:641a9672db08 407 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 408 }
AzureIoTClient 6:641a9672db08 409 else
AzureIoTClient 6:641a9672db08 410 {
AzureIoTClient 6:641a9672db08 411 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 412 {
AzureIoTClient 6:641a9672db08 413 default:
AzureIoTClient 6:641a9672db08 414 break;
Azure.IoT Build 0:6ae2f7bca550 415
AzureIoTClient 6:641a9672db08 416 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 417 /* 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 418 /* Codes_SRS_SASLCLIENTIO_01_029: [The context argument shall be set to the callback_context passed in saslclientio_open.] */
AzureIoTClient 6:641a9672db08 419 sasl_client_io_instance->on_bytes_received(sasl_client_io_instance->on_bytes_received_context, buffer, size);
AzureIoTClient 6:641a9672db08 420 break;
Azure.IoT Build 0:6ae2f7bca550 421
AzureIoTClient 6:641a9672db08 422 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 423 {
AzureIoTClient 6:641a9672db08 424 size_t i;
Azure.IoT Build 0:6ae2f7bca550 425
AzureIoTClient 6:641a9672db08 426 for (i = 0; i < size; i++)
AzureIoTClient 6:641a9672db08 427 {
AzureIoTClient 6:641a9672db08 428 if (saslclientio_receive_byte(sasl_client_io_instance, buffer[i]) != 0)
AzureIoTClient 6:641a9672db08 429 {
AzureIoTClient 6:641a9672db08 430 break;
AzureIoTClient 6:641a9672db08 431 }
AzureIoTClient 6:641a9672db08 432 }
Azure.IoT Build 0:6ae2f7bca550 433
AzureIoTClient 6:641a9672db08 434 if (i < size)
AzureIoTClient 6:641a9672db08 435 {
AzureIoTClient 6:641a9672db08 436 /* 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 437 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 438 }
Azure.IoT Build 0:6ae2f7bca550 439
AzureIoTClient 6:641a9672db08 440 break;
AzureIoTClient 6:641a9672db08 441 }
Azure.IoT Build 0:6ae2f7bca550 442
AzureIoTClient 6:641a9672db08 443 case IO_STATE_ERROR:
AzureIoTClient 6:641a9672db08 444 /* 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 445 break;
AzureIoTClient 6:641a9672db08 446 }
AzureIoTClient 6:641a9672db08 447 }
Azure.IoT Build 0:6ae2f7bca550 448 }
Azure.IoT Build 0:6ae2f7bca550 449
Azure.IoT Build 0:6ae2f7bca550 450 static void on_bytes_encoded(void* context, const unsigned char* bytes, size_t length, bool encode_complete)
Azure.IoT Build 0:6ae2f7bca550 451 {
AzureIoTClient 6:641a9672db08 452 (void)encode_complete;
Azure.IoT Build 0:6ae2f7bca550 453
AzureIoTClient 6:641a9672db08 454 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 455
AzureIoTClient 6:641a9672db08 456 /* 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 457 if (xio_send(sasl_client_io_instance->underlying_io, bytes, length, NULL, NULL) != 0)
AzureIoTClient 6:641a9672db08 458 {
AzureIoTClient 6:641a9672db08 459 /* 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 460 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 461 }
Azure.IoT Build 0:6ae2f7bca550 462 }
Azure.IoT Build 0:6ae2f7bca550 463
Azure.IoT Build 0:6ae2f7bca550 464 static int send_sasl_init(SASL_CLIENT_IO_INSTANCE* sasl_client_io, const char* sasl_mechanism_name)
Azure.IoT Build 0:6ae2f7bca550 465 {
AzureIoTClient 6:641a9672db08 466 int result;
Azure.IoT Build 0:6ae2f7bca550 467
AzureIoTClient 6:641a9672db08 468 SASL_INIT_HANDLE sasl_init;
AzureIoTClient 6:641a9672db08 469 SASL_MECHANISM_BYTES init_bytes;
Azure.IoT Build 0:6ae2f7bca550 470
AzureIoTClient 6:641a9672db08 471 /* Codes_SRS_SASLCLIENTIO_01_045: [The name of the SASL mechanism used for the SASL exchange.] */
AzureIoTClient 6:641a9672db08 472 sasl_init = sasl_init_create(sasl_mechanism_name);
AzureIoTClient 6:641a9672db08 473 if (sasl_init == NULL)
AzureIoTClient 6:641a9672db08 474 {
AzureIoTClient 6:641a9672db08 475 /* 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 476 result = __LINE__;
AzureIoTClient 6:641a9672db08 477 }
AzureIoTClient 6:641a9672db08 478 else
AzureIoTClient 6:641a9672db08 479 {
AzureIoTClient 6:641a9672db08 480 /* Codes_SRS_SASLCLIENTIO_01_048: [The contents of this data are defined by the SASL security mechanism.] */
AzureIoTClient 6:641a9672db08 481 if (saslmechanism_get_init_bytes(sasl_client_io->sasl_mechanism, &init_bytes) != 0)
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 amqp_binary creds;
AzureIoTClient 6:641a9672db08 489 creds.bytes = init_bytes.bytes;
AzureIoTClient 6:641a9672db08 490 creds.length = init_bytes.length;
AzureIoTClient 6:641a9672db08 491 if ((init_bytes.length > 0) &&
AzureIoTClient 6:641a9672db08 492 /* Codes_SRS_SASLCLIENTIO_01_047: [A block of opaque data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 493 (sasl_init_set_initial_response(sasl_init, creds) != 0))
AzureIoTClient 6:641a9672db08 494 {
AzureIoTClient 6:641a9672db08 495 /* 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 496 result = __LINE__;
AzureIoTClient 6:641a9672db08 497 }
AzureIoTClient 6:641a9672db08 498 else
AzureIoTClient 6:641a9672db08 499 {
AzureIoTClient 6:641a9672db08 500 AMQP_VALUE sasl_init_value = amqpvalue_create_sasl_init(sasl_init);
AzureIoTClient 6:641a9672db08 501 if (sasl_init_value == NULL)
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 /* 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 509 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 510 {
AzureIoTClient 6:641a9672db08 511 /* 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 512 result = __LINE__;
AzureIoTClient 6:641a9672db08 513 }
AzureIoTClient 6:641a9672db08 514 else
AzureIoTClient 6:641a9672db08 515 {
AzureIoTClient 6:641a9672db08 516 if (sasl_client_io->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 517 {
AzureIoTClient 6:641a9672db08 518 log_outgoing_frame(sasl_init_value);
AzureIoTClient 6:641a9672db08 519 }
Azure.IoT Build 0:6ae2f7bca550 520
AzureIoTClient 6:641a9672db08 521 result = 0;
AzureIoTClient 6:641a9672db08 522 }
Azure.IoT Build 0:6ae2f7bca550 523
AzureIoTClient 6:641a9672db08 524 amqpvalue_destroy(sasl_init_value);
AzureIoTClient 6:641a9672db08 525 }
AzureIoTClient 6:641a9672db08 526 }
AzureIoTClient 6:641a9672db08 527 }
Azure.IoT Build 0:6ae2f7bca550 528
AzureIoTClient 6:641a9672db08 529 sasl_init_destroy(sasl_init);
AzureIoTClient 6:641a9672db08 530 }
Azure.IoT Build 0:6ae2f7bca550 531
AzureIoTClient 6:641a9672db08 532 return result;
Azure.IoT Build 0:6ae2f7bca550 533 }
Azure.IoT Build 0:6ae2f7bca550 534
Azure.IoT Build 0:6ae2f7bca550 535 static int send_sasl_response(SASL_CLIENT_IO_INSTANCE* sasl_client_io, SASL_MECHANISM_BYTES sasl_response)
Azure.IoT Build 0:6ae2f7bca550 536 {
AzureIoTClient 6:641a9672db08 537 int result;
Azure.IoT Build 0:6ae2f7bca550 538
AzureIoTClient 6:641a9672db08 539 SASL_RESPONSE_HANDLE sasl_response_handle;
AzureIoTClient 6:641a9672db08 540 amqp_binary response_binary_value;
AzureIoTClient 6:641a9672db08 541
AzureIoTClient 6:641a9672db08 542 response_binary_value.bytes = sasl_response.bytes;
AzureIoTClient 6:641a9672db08 543 response_binary_value.length = sasl_response.length;
Azure.IoT Build 0:6ae2f7bca550 544
AzureIoTClient 6:641a9672db08 545 /* Codes_SRS_SASLCLIENTIO_01_055: [Send the SASL response data as defined by the SASL specification.] */
AzureIoTClient 6:641a9672db08 546 /* Codes_SRS_SASLCLIENTIO_01_056: [A block of opaque data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 547 if ((sasl_response_handle = sasl_response_create(response_binary_value)) == NULL)
AzureIoTClient 6:641a9672db08 548 {
AzureIoTClient 6:641a9672db08 549 result = __LINE__;
AzureIoTClient 6:641a9672db08 550 }
AzureIoTClient 6:641a9672db08 551 else
AzureIoTClient 6:641a9672db08 552 {
AzureIoTClient 6:641a9672db08 553 AMQP_VALUE sasl_response_value = amqpvalue_create_sasl_response(sasl_response_handle);
AzureIoTClient 6:641a9672db08 554 if (sasl_response_value == NULL)
AzureIoTClient 6:641a9672db08 555 {
AzureIoTClient 6:641a9672db08 556 result = __LINE__;
AzureIoTClient 6:641a9672db08 557 }
AzureIoTClient 6:641a9672db08 558 else
AzureIoTClient 6:641a9672db08 559 {
AzureIoTClient 6:641a9672db08 560 /* 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 561 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 562 {
AzureIoTClient 6:641a9672db08 563 result = __LINE__;
AzureIoTClient 6:641a9672db08 564 }
AzureIoTClient 6:641a9672db08 565 else
AzureIoTClient 6:641a9672db08 566 {
AzureIoTClient 6:641a9672db08 567 if (sasl_client_io->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 568 {
AzureIoTClient 6:641a9672db08 569 log_outgoing_frame(sasl_response_value);
AzureIoTClient 6:641a9672db08 570 }
AzureIoTClient 6:641a9672db08 571 result = 0;
AzureIoTClient 6:641a9672db08 572 }
Azure.IoT Build 0:6ae2f7bca550 573
AzureIoTClient 6:641a9672db08 574 amqpvalue_destroy(sasl_response_value);
AzureIoTClient 6:641a9672db08 575 }
Azure.IoT Build 0:6ae2f7bca550 576
AzureIoTClient 6:641a9672db08 577 sasl_response_destroy(sasl_response_handle);
AzureIoTClient 6:641a9672db08 578 }
Azure.IoT Build 0:6ae2f7bca550 579
AzureIoTClient 6:641a9672db08 580 return result;
Azure.IoT Build 0:6ae2f7bca550 581 }
Azure.IoT Build 0:6ae2f7bca550 582
Azure.IoT Build 0:6ae2f7bca550 583 static void sasl_frame_received_callback(void* context, AMQP_VALUE sasl_frame)
Azure.IoT Build 0:6ae2f7bca550 584 {
AzureIoTClient 6:641a9672db08 585 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 586
AzureIoTClient 6:641a9672db08 587 /* Codes_SRS_SASLCLIENTIO_01_067: [The SASL frame exchange shall be started as soon as the SASL header handshake is done.] */
AzureIoTClient 6:641a9672db08 588 switch (sasl_client_io_instance->io_state)
AzureIoTClient 6:641a9672db08 589 {
AzureIoTClient 6:641a9672db08 590 default:
AzureIoTClient 6:641a9672db08 591 break;
Azure.IoT Build 0:6ae2f7bca550 592
AzureIoTClient 6:641a9672db08 593 case IO_STATE_OPEN:
AzureIoTClient 6:641a9672db08 594 case IO_STATE_OPENING_UNDERLYING_IO:
AzureIoTClient 6:641a9672db08 595 case IO_STATE_CLOSING:
AzureIoTClient 6:641a9672db08 596 /* 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 597 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 598 break;
Azure.IoT Build 0:6ae2f7bca550 599
AzureIoTClient 6:641a9672db08 600 case IO_STATE_SASL_HANDSHAKE:
AzureIoTClient 6:641a9672db08 601 if (sasl_client_io_instance->sasl_header_exchange_state != SASL_HEADER_EXCHANGE_HEADER_EXCH)
AzureIoTClient 6:641a9672db08 602 {
AzureIoTClient 6:641a9672db08 603 /* 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 604 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 605 }
AzureIoTClient 6:641a9672db08 606 else
AzureIoTClient 6:641a9672db08 607 {
AzureIoTClient 6:641a9672db08 608 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(sasl_frame);
AzureIoTClient 6:641a9672db08 609 if (descriptor == NULL)
AzureIoTClient 6:641a9672db08 610 {
AzureIoTClient 6:641a9672db08 611 /* 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 612 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 613 }
AzureIoTClient 6:641a9672db08 614 else
AzureIoTClient 6:641a9672db08 615 {
AzureIoTClient 6:641a9672db08 616 if (sasl_client_io_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 617 {
AzureIoTClient 6:641a9672db08 618 log_incoming_frame(sasl_frame);
AzureIoTClient 6:641a9672db08 619 }
Azure.IoT Build 0:6ae2f7bca550 620
AzureIoTClient 6:641a9672db08 621 /* 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 622 /* 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 623 /* Codes_SRS_SASLCLIENTIO_01_034: [<-- SASL-MECHANISMS] */
AzureIoTClient 6:641a9672db08 624 if (is_sasl_mechanisms_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 625 {
AzureIoTClient 6:641a9672db08 626 switch (sasl_client_io_instance->sasl_client_negotiation_state)
AzureIoTClient 6:641a9672db08 627 {
AzureIoTClient 6:641a9672db08 628 case SASL_CLIENT_NEGOTIATION_NOT_STARTED:
AzureIoTClient 6:641a9672db08 629 {
AzureIoTClient 6:641a9672db08 630 SASL_MECHANISMS_HANDLE sasl_mechanisms_handle;
Azure.IoT Build 0:6ae2f7bca550 631
AzureIoTClient 6:641a9672db08 632 if (amqpvalue_get_sasl_mechanisms(sasl_frame, &sasl_mechanisms_handle) != 0)
AzureIoTClient 6:641a9672db08 633 {
AzureIoTClient 6:641a9672db08 634 /* 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 635 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 636 }
AzureIoTClient 6:641a9672db08 637 else
AzureIoTClient 6:641a9672db08 638 {
AzureIoTClient 6:641a9672db08 639 AMQP_VALUE sasl_server_mechanisms;
AzureIoTClient 6:641a9672db08 640 uint32_t mechanisms_count;
Azure.IoT Build 0:6ae2f7bca550 641
AzureIoTClient 6:641a9672db08 642 if ((sasl_mechanisms_get_sasl_server_mechanisms(sasl_mechanisms_handle, &sasl_server_mechanisms) != 0) ||
AzureIoTClient 6:641a9672db08 643 (amqpvalue_get_array_item_count(sasl_server_mechanisms, &mechanisms_count) != 0) ||
AzureIoTClient 6:641a9672db08 644 (mechanisms_count == 0))
AzureIoTClient 6:641a9672db08 645 {
AzureIoTClient 6:641a9672db08 646 /* Codes_SRS_SASLCLIENTIO_01_042: [It is invalid for this list to be null or empty.] */
AzureIoTClient 6:641a9672db08 647 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 648 }
AzureIoTClient 6:641a9672db08 649 else
AzureIoTClient 6:641a9672db08 650 {
AzureIoTClient 6:641a9672db08 651 const char* sasl_mechanism_name = saslmechanism_get_mechanism_name(sasl_client_io_instance->sasl_mechanism);
AzureIoTClient 6:641a9672db08 652 if (sasl_mechanism_name == NULL)
AzureIoTClient 6:641a9672db08 653 {
AzureIoTClient 6:641a9672db08 654 /* 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 655 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 656 }
AzureIoTClient 6:641a9672db08 657 else
AzureIoTClient 6:641a9672db08 658 {
AzureIoTClient 6:641a9672db08 659 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 660
AzureIoTClient 6:641a9672db08 661 for (i = 0; i < mechanisms_count; i++)
AzureIoTClient 6:641a9672db08 662 {
AzureIoTClient 6:641a9672db08 663 AMQP_VALUE sasl_server_mechanism;
AzureIoTClient 6:641a9672db08 664 sasl_server_mechanism = amqpvalue_get_array_item(sasl_server_mechanisms, i);
AzureIoTClient 6:641a9672db08 665 if (sasl_server_mechanism == NULL)
AzureIoTClient 6:641a9672db08 666 {
AzureIoTClient 6:641a9672db08 667 i = mechanisms_count;
AzureIoTClient 6:641a9672db08 668 }
AzureIoTClient 6:641a9672db08 669 else
AzureIoTClient 6:641a9672db08 670 {
AzureIoTClient 6:641a9672db08 671 const char* sasl_server_mechanism_name;
AzureIoTClient 6:641a9672db08 672 if (amqpvalue_get_symbol(sasl_server_mechanism, &sasl_server_mechanism_name) != 0)
AzureIoTClient 6:641a9672db08 673 {
AzureIoTClient 6:641a9672db08 674 i = mechanisms_count;
AzureIoTClient 6:641a9672db08 675 }
AzureIoTClient 6:641a9672db08 676 else
AzureIoTClient 6:641a9672db08 677 {
AzureIoTClient 6:641a9672db08 678 if (strcmp(sasl_mechanism_name, sasl_server_mechanism_name) == 0)
AzureIoTClient 6:641a9672db08 679 {
Azure.IoT Build 0:6ae2f7bca550 680 amqpvalue_destroy(sasl_server_mechanism);
Azure.IoT Build 0:6ae2f7bca550 681 break;
AzureIoTClient 6:641a9672db08 682 }
AzureIoTClient 6:641a9672db08 683 }
Azure.IoT Build 0:6ae2f7bca550 684
Azure.IoT Build 0:6ae2f7bca550 685 amqpvalue_destroy(sasl_server_mechanism);
Azure.IoT Build 0:6ae2f7bca550 686 }
AzureIoTClient 6:641a9672db08 687 }
Azure.IoT Build 0:6ae2f7bca550 688
AzureIoTClient 6:641a9672db08 689 if (i == mechanisms_count)
AzureIoTClient 6:641a9672db08 690 {
AzureIoTClient 6:641a9672db08 691 /* 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 692 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 693 }
AzureIoTClient 6:641a9672db08 694 else
AzureIoTClient 6:641a9672db08 695 {
AzureIoTClient 6:641a9672db08 696 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_MECH_RCVD;
Azure.IoT Build 0:6ae2f7bca550 697
AzureIoTClient 6:641a9672db08 698 /* Codes_SRS_SASLCLIENTIO_01_035: [SASL-INIT -->] */
AzureIoTClient 6:641a9672db08 699 /* Codes_SRS_SASLCLIENTIO_01_033: [The partner MUST then choose one of the supported mechanisms and initiate a sasl exchange.] */
AzureIoTClient 6:641a9672db08 700 /* Codes_SRS_SASLCLIENTIO_01_054: [Selects the sasl mechanism and provides the initial response if needed.] */
AzureIoTClient 6:641a9672db08 701 if (send_sasl_init(sasl_client_io_instance, sasl_mechanism_name) != 0)
AzureIoTClient 6:641a9672db08 702 {
AzureIoTClient 6:641a9672db08 703 /* 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 704 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 705 }
AzureIoTClient 6:641a9672db08 706 else
AzureIoTClient 6:641a9672db08 707 {
AzureIoTClient 6:641a9672db08 708 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_INIT_SENT;
AzureIoTClient 6:641a9672db08 709 }
AzureIoTClient 6:641a9672db08 710 }
AzureIoTClient 6:641a9672db08 711 }
AzureIoTClient 6:641a9672db08 712 }
Azure.IoT Build 0:6ae2f7bca550 713
AzureIoTClient 6:641a9672db08 714 sasl_mechanisms_destroy(sasl_mechanisms_handle);
AzureIoTClient 6:641a9672db08 715 }
Azure.IoT Build 0:6ae2f7bca550 716
AzureIoTClient 6:641a9672db08 717 break;
AzureIoTClient 6:641a9672db08 718 }
AzureIoTClient 6:641a9672db08 719 }
AzureIoTClient 6:641a9672db08 720 }
AzureIoTClient 6:641a9672db08 721 /* Codes_SRS_SASLCLIENTIO_01_052: [Send the SASL challenge data as defined by the SASL specification.] */
AzureIoTClient 6:641a9672db08 722 /* Codes_SRS_SASLCLIENTIO_01_036: [<-- SASL-CHALLENGE *] */
AzureIoTClient 6:641a9672db08 723 /* 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 724 else if (is_sasl_challenge_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 725 {
AzureIoTClient 6:641a9672db08 726 /* 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 727 if ((sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_INIT_SENT) &&
AzureIoTClient 6:641a9672db08 728 (sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_RESPONSE_SENT))
AzureIoTClient 6:641a9672db08 729 {
AzureIoTClient 6:641a9672db08 730 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 731 }
AzureIoTClient 6:641a9672db08 732 else
AzureIoTClient 6:641a9672db08 733 {
AzureIoTClient 6:641a9672db08 734 SASL_CHALLENGE_HANDLE sasl_challenge_handle;
Azure.IoT Build 0:6ae2f7bca550 735
AzureIoTClient 6:641a9672db08 736 if (amqpvalue_get_sasl_challenge(sasl_frame, &sasl_challenge_handle) != 0)
AzureIoTClient 6:641a9672db08 737 {
AzureIoTClient 6:641a9672db08 738 /* 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 739 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 740 }
AzureIoTClient 6:641a9672db08 741 else
AzureIoTClient 6:641a9672db08 742 {
AzureIoTClient 6:641a9672db08 743 amqp_binary challenge_binary_value;
AzureIoTClient 6:641a9672db08 744 SASL_MECHANISM_BYTES response_bytes;
Azure.IoT Build 0:6ae2f7bca550 745
AzureIoTClient 6:641a9672db08 746 /* Codes_SRS_SASLCLIENTIO_01_053: [Challenge information, a block of opaque binary data passed to the security mechanism.] */
AzureIoTClient 6:641a9672db08 747 if (sasl_challenge_get_challenge(sasl_challenge_handle, &challenge_binary_value) != 0)
AzureIoTClient 6:641a9672db08 748 {
AzureIoTClient 6:641a9672db08 749 /* 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 750 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 751 }
AzureIoTClient 6:641a9672db08 752 else
AzureIoTClient 6:641a9672db08 753 {
AzureIoTClient 6:641a9672db08 754 SASL_MECHANISM_BYTES challenge;
AzureIoTClient 6:641a9672db08 755
AzureIoTClient 6:641a9672db08 756 challenge.bytes = challenge_binary_value.bytes;
AzureIoTClient 6:641a9672db08 757 challenge.length = challenge_binary_value.length;
Azure.IoT Build 0:6ae2f7bca550 758
AzureIoTClient 6:641a9672db08 759 /* Codes_SRS_SASLCLIENTIO_01_057: [The contents of this data are defined by the SASL security mechanism.] */
AzureIoTClient 6:641a9672db08 760 /* Codes_SRS_SASLCLIENTIO_01_037: [SASL-RESPONSE -->] */
AzureIoTClient 6:641a9672db08 761 if ((saslmechanism_challenge(sasl_client_io_instance->sasl_mechanism, &challenge, &response_bytes) != 0) ||
AzureIoTClient 6:641a9672db08 762 (send_sasl_response(sasl_client_io_instance, response_bytes) != 0))
AzureIoTClient 6:641a9672db08 763 {
AzureIoTClient 6:641a9672db08 764 /* 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 765 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 766 }
AzureIoTClient 6:641a9672db08 767 }
Azure.IoT Build 0:6ae2f7bca550 768
AzureIoTClient 6:641a9672db08 769 sasl_challenge_destroy(sasl_challenge_handle);
AzureIoTClient 6:641a9672db08 770 }
AzureIoTClient 6:641a9672db08 771 }
AzureIoTClient 6:641a9672db08 772 }
AzureIoTClient 6:641a9672db08 773 /* Codes_SRS_SASLCLIENTIO_01_058: [This frame indicates the outcome of the SASL dialog.] */
AzureIoTClient 6:641a9672db08 774 /* Codes_SRS_SASLCLIENTIO_01_038: [<-- SASL-OUTCOME] */
AzureIoTClient 6:641a9672db08 775 else if (is_sasl_outcome_type_by_descriptor(descriptor))
AzureIoTClient 6:641a9672db08 776 {
AzureIoTClient 6:641a9672db08 777 /* 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 778 if ((sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_INIT_SENT) &&
AzureIoTClient 6:641a9672db08 779 (sasl_client_io_instance->sasl_client_negotiation_state != SASL_CLIENT_NEGOTIATION_RESPONSE_SENT))
AzureIoTClient 6:641a9672db08 780 {
AzureIoTClient 6:641a9672db08 781 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 782 }
AzureIoTClient 6:641a9672db08 783 else
AzureIoTClient 6:641a9672db08 784 {
AzureIoTClient 6:641a9672db08 785 SASL_OUTCOME_HANDLE sasl_outcome;
Azure.IoT Build 0:6ae2f7bca550 786
AzureIoTClient 6:641a9672db08 787 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_OUTCOME_RCVD;
Azure.IoT Build 0:6ae2f7bca550 788
AzureIoTClient 6:641a9672db08 789 if (amqpvalue_get_sasl_outcome(sasl_frame, &sasl_outcome) != 0)
AzureIoTClient 6:641a9672db08 790 {
AzureIoTClient 6:641a9672db08 791 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 792 }
AzureIoTClient 6:641a9672db08 793 else
AzureIoTClient 6:641a9672db08 794 {
AzureIoTClient 6:641a9672db08 795 sasl_code sasl_code;
Azure.IoT Build 0:6ae2f7bca550 796
AzureIoTClient 6:641a9672db08 797 /* Codes_SRS_SASLCLIENTIO_01_060: [A reply-code indicating the outcome of the SASL dialog.] */
AzureIoTClient 6:641a9672db08 798 if (sasl_outcome_get_code(sasl_outcome, &sasl_code) != 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 switch (sasl_code)
AzureIoTClient 6:641a9672db08 805 {
AzureIoTClient 6:641a9672db08 806 default:
AzureIoTClient 6:641a9672db08 807 case sasl_code_auth:
AzureIoTClient 6:641a9672db08 808 /* Codes_SRS_SASLCLIENTIO_01_063: [1 Connection authentication failed due to an unspecified problem with the supplied credentials.] */
AzureIoTClient 6:641a9672db08 809 case sasl_code_sys:
AzureIoTClient 6:641a9672db08 810 /* Codes_SRS_SASLCLIENTIO_01_064: [2 Connection authentication failed due to a system error.] */
AzureIoTClient 6:641a9672db08 811 case sasl_code_sys_perm:
AzureIoTClient 6:641a9672db08 812 /* 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 813 case sasl_code_sys_temp:
AzureIoTClient 6:641a9672db08 814 /* Codes_SRS_SASLCLIENTIO_01_066: [4 Connection authentication failed due to a transient system error.] */
AzureIoTClient 6:641a9672db08 815 handle_error(sasl_client_io_instance);
AzureIoTClient 6:641a9672db08 816 break;
Azure.IoT Build 0:6ae2f7bca550 817
AzureIoTClient 6:641a9672db08 818 case sasl_code_ok:
AzureIoTClient 6:641a9672db08 819 /* Codes_SRS_SASLCLIENTIO_01_059: [Upon successful completion of the SASL dialog the security layer has been established] */
AzureIoTClient 6:641a9672db08 820 /* Codes_SRS_SASLCLIENTIO_01_062: [0 Connection authentication succeeded.] */
AzureIoTClient 6:641a9672db08 821 sasl_client_io_instance->io_state = IO_STATE_OPEN;
AzureIoTClient 6:641a9672db08 822 indicate_open_complete(sasl_client_io_instance, IO_OPEN_OK);
AzureIoTClient 6:641a9672db08 823 break;
AzureIoTClient 6:641a9672db08 824 }
AzureIoTClient 6:641a9672db08 825 }
Azure.IoT Build 0:6ae2f7bca550 826
AzureIoTClient 6:641a9672db08 827 sasl_outcome_destroy(sasl_outcome);
AzureIoTClient 6:641a9672db08 828 }
AzureIoTClient 6:641a9672db08 829 }
AzureIoTClient 6:641a9672db08 830 }
AzureIoTClient 6:641a9672db08 831 else
AzureIoTClient 6:641a9672db08 832 {
AzureIoTClient 6:641a9672db08 833 LogError("Bad SASL frame");
AzureIoTClient 6:641a9672db08 834 }
AzureIoTClient 6:641a9672db08 835 }
AzureIoTClient 6:641a9672db08 836 }
AzureIoTClient 6:641a9672db08 837 break;
AzureIoTClient 6:641a9672db08 838 }
Azure.IoT Build 0:6ae2f7bca550 839 }
Azure.IoT Build 0:6ae2f7bca550 840
Azure.IoT Build 0:6ae2f7bca550 841 static void on_frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 842 {
AzureIoTClient 6:641a9672db08 843 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 844
AzureIoTClient 6:641a9672db08 845 /* 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 846 /* Codes_SRS_SASLCLIENTIO_01_123: [When on_frame_codec_error is called in the ERROR state nothing shall be done.] */
AzureIoTClient 6:641a9672db08 847 handle_error(sasl_client_io_instance);
Azure.IoT Build 0:6ae2f7bca550 848 }
Azure.IoT Build 0:6ae2f7bca550 849
Azure.IoT Build 0:6ae2f7bca550 850 static void on_sasl_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_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 855 /* Codes_SRS_SASLCLIENTIO_01_125: [When on_sasl_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 5:ae49385aff34 859 CONCRETE_IO_HANDLE saslclientio_create(void* io_create_parameters)
Azure.IoT Build 0:6ae2f7bca550 860 {
AzureIoTClient 6:641a9672db08 861 SASLCLIENTIO_CONFIG* sasl_client_io_config = io_create_parameters;
AzureIoTClient 6:641a9672db08 862 SASL_CLIENT_IO_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 863
AzureIoTClient 6:641a9672db08 864 /* Codes_SRS_SASLCLIENTIO_01_005: [If xio_create_parameters is NULL, saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 865 if ((sasl_client_io_config == NULL) ||
AzureIoTClient 6:641a9672db08 866 /* 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 867 (sasl_client_io_config->underlying_io == NULL) ||
AzureIoTClient 6:641a9672db08 868 (sasl_client_io_config->sasl_mechanism == NULL))
AzureIoTClient 6:641a9672db08 869 {
AzureIoTClient 6:641a9672db08 870 result = NULL;
AzureIoTClient 6:641a9672db08 871 }
AzureIoTClient 6:641a9672db08 872 else
AzureIoTClient 6:641a9672db08 873 {
AzureIoTClient 6:641a9672db08 874 result = amqpalloc_malloc(sizeof(SASL_CLIENT_IO_INSTANCE));
AzureIoTClient 6:641a9672db08 875 /* Codes_SRS_SASLCLIENTIO_01_006: [If memory cannot be allocated for the new instance, saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 876 if (result != NULL)
AzureIoTClient 6:641a9672db08 877 {
AzureIoTClient 6:641a9672db08 878 result->underlying_io = sasl_client_io_config->underlying_io;
AzureIoTClient 6:641a9672db08 879 if (result->underlying_io == NULL)
AzureIoTClient 6:641a9672db08 880 {
AzureIoTClient 6:641a9672db08 881 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 882 result = NULL;
AzureIoTClient 6:641a9672db08 883 }
AzureIoTClient 6:641a9672db08 884 else
AzureIoTClient 6:641a9672db08 885 {
AzureIoTClient 6:641a9672db08 886 /* 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 887 result->frame_codec = frame_codec_create(on_frame_codec_error, result);
AzureIoTClient 6:641a9672db08 888 if (result->frame_codec == NULL)
AzureIoTClient 6:641a9672db08 889 {
AzureIoTClient 6:641a9672db08 890 /* Codes_SRS_SASLCLIENTIO_01_090: [If frame_codec_create fails, then saslclientio_create shall fail and return NULL.] */
AzureIoTClient 6:641a9672db08 891 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 892 result = NULL;
AzureIoTClient 6:641a9672db08 893 }
AzureIoTClient 6:641a9672db08 894 else
AzureIoTClient 6:641a9672db08 895 {
AzureIoTClient 6:641a9672db08 896 /* 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 897 result->sasl_frame_codec = sasl_frame_codec_create(result->frame_codec, sasl_frame_received_callback, on_sasl_frame_codec_error, result);
AzureIoTClient 6:641a9672db08 898 if (result->sasl_frame_codec == NULL)
AzureIoTClient 6:641a9672db08 899 {
AzureIoTClient 6:641a9672db08 900 frame_codec_destroy(result->frame_codec);
AzureIoTClient 6:641a9672db08 901 amqpalloc_free(result);
AzureIoTClient 6:641a9672db08 902 result = NULL;
AzureIoTClient 6:641a9672db08 903 }
AzureIoTClient 6:641a9672db08 904 else
AzureIoTClient 6:641a9672db08 905 {
AzureIoTClient 6:641a9672db08 906 /* 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 907 result->on_bytes_received = NULL;
AzureIoTClient 6:641a9672db08 908 result->on_io_open_complete = NULL;
AzureIoTClient 6:641a9672db08 909 result->on_io_error = NULL;
AzureIoTClient 6:641a9672db08 910 result->on_io_close_complete = NULL;
Azure.IoT Build 0:6ae2f7bca550 911 result->on_bytes_received_context = NULL;
AzureIoTClient 6:641a9672db08 912 result->on_io_open_complete_context = NULL;
AzureIoTClient 6:641a9672db08 913 result->on_io_close_complete_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 914 result->on_io_error_context = NULL;
AzureIoTClient 6:641a9672db08 915 result->sasl_mechanism = sasl_client_io_config->sasl_mechanism;
Azure.IoT Build 0:6ae2f7bca550 916
AzureIoTClient 6:641a9672db08 917 result->io_state = IO_STATE_NOT_OPEN;
AzureIoTClient 6:641a9672db08 918 }
AzureIoTClient 6:641a9672db08 919 }
AzureIoTClient 6:641a9672db08 920 }
AzureIoTClient 6:641a9672db08 921 }
AzureIoTClient 6:641a9672db08 922 }
Azure.IoT Build 0:6ae2f7bca550 923
AzureIoTClient 6:641a9672db08 924 return result;
Azure.IoT Build 0:6ae2f7bca550 925 }
Azure.IoT Build 0:6ae2f7bca550 926
Azure.IoT Build 0:6ae2f7bca550 927 void saslclientio_destroy(CONCRETE_IO_HANDLE sasl_client_io)
Azure.IoT Build 0:6ae2f7bca550 928 {
AzureIoTClient 6:641a9672db08 929 if (sasl_client_io != NULL)
AzureIoTClient 6:641a9672db08 930 {
AzureIoTClient 6:641a9672db08 931 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 932
AzureIoTClient 6:641a9672db08 933 /* Codes_SRS_SASLCLIENTIO_01_007: [saslclientio_destroy shall free all resources associated with the SASL client IO handle.] */
AzureIoTClient 6:641a9672db08 934 /* 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 935 sasl_frame_codec_destroy(sasl_client_io_instance->sasl_frame_codec);
Azure.IoT Build 0:6ae2f7bca550 936
AzureIoTClient 6:641a9672db08 937 /* Codes_SRS_SASLCLIENTIO_01_091: [saslclientio_destroy shall destroy the frame_codec created in saslclientio_create by calling frame_codec_destroy.] */
AzureIoTClient 6:641a9672db08 938 frame_codec_destroy(sasl_client_io_instance->frame_codec);
AzureIoTClient 6:641a9672db08 939 amqpalloc_free(sasl_client_io);
AzureIoTClient 6:641a9672db08 940 }
Azure.IoT Build 0:6ae2f7bca550 941 }
Azure.IoT Build 0:6ae2f7bca550 942
Azure.IoT Build 0:6ae2f7bca550 943 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 944 {
AzureIoTClient 6:641a9672db08 945 int result = 0;
Azure.IoT Build 0:6ae2f7bca550 946
AzureIoTClient 6:641a9672db08 947 /* 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 948 if ((sasl_client_io == NULL) ||
AzureIoTClient 6:641a9672db08 949 (on_bytes_received == NULL))
AzureIoTClient 6:641a9672db08 950 {
AzureIoTClient 6:641a9672db08 951 result = __LINE__;
AzureIoTClient 6:641a9672db08 952 }
AzureIoTClient 6:641a9672db08 953 else
AzureIoTClient 6:641a9672db08 954 {
AzureIoTClient 6:641a9672db08 955 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 956
AzureIoTClient 6:641a9672db08 957 if (sasl_client_io_instance->io_state != IO_STATE_NOT_OPEN)
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->on_bytes_received = on_bytes_received;
AzureIoTClient 6:641a9672db08 964 sasl_client_io_instance->on_io_open_complete = on_io_open_complete;
AzureIoTClient 6:641a9672db08 965 sasl_client_io_instance->on_io_error = on_io_error;
AzureIoTClient 6:641a9672db08 966 sasl_client_io_instance->on_bytes_received_context = on_bytes_received_context;
Azure.IoT Build 0:6ae2f7bca550 967 sasl_client_io_instance->on_io_open_complete_context = on_io_open_complete_context;
Azure.IoT Build 0:6ae2f7bca550 968 sasl_client_io_instance->on_io_error_context = on_io_error_context;
AzureIoTClient 6:641a9672db08 969 sasl_client_io_instance->sasl_header_exchange_state = SASL_HEADER_EXCHANGE_IDLE;
AzureIoTClient 6:641a9672db08 970 sasl_client_io_instance->sasl_client_negotiation_state = SASL_CLIENT_NEGOTIATION_NOT_STARTED;
AzureIoTClient 6:641a9672db08 971 sasl_client_io_instance->header_bytes_received = 0;
AzureIoTClient 6:641a9672db08 972 sasl_client_io_instance->io_state = IO_STATE_OPENING_UNDERLYING_IO;
AzureIoTClient 6:641a9672db08 973 sasl_client_io_instance->is_trace_on = 0;
Azure.IoT Build 0:6ae2f7bca550 974
AzureIoTClient 6:641a9672db08 975 /* Codes_SRS_SASLCLIENTIO_01_009: [saslclientio_open shall call xio_open on the underlying_io passed to saslclientio_create.] */
AzureIoTClient 6:641a9672db08 976 /* 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 977 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 978 {
AzureIoTClient 6:641a9672db08 979 /* 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 980 result = __LINE__;
AzureIoTClient 6:641a9672db08 981 }
AzureIoTClient 6:641a9672db08 982 else
AzureIoTClient 6:641a9672db08 983 {
AzureIoTClient 6:641a9672db08 984 /* Codes_SRS_SASLCLIENTIO_01_010: [On success, saslclientio_open shall return 0.] */
AzureIoTClient 6:641a9672db08 985 result = 0;
AzureIoTClient 6:641a9672db08 986 }
AzureIoTClient 6:641a9672db08 987 }
AzureIoTClient 6:641a9672db08 988 }
AzureIoTClient 6:641a9672db08 989
AzureIoTClient 6:641a9672db08 990 return result;
Azure.IoT Build 0:6ae2f7bca550 991 }
Azure.IoT Build 0:6ae2f7bca550 992
Azure.IoT Build 0:6ae2f7bca550 993 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 994 {
AzureIoTClient 6:641a9672db08 995 int result = 0;
Azure.IoT Build 0:6ae2f7bca550 996
AzureIoTClient 6:641a9672db08 997 /* Codes_SRS_SASLCLIENTIO_01_017: [If sasl_client_io is NULL, saslclientio_close shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 998 if (sasl_client_io == NULL)
AzureIoTClient 6:641a9672db08 999 {
AzureIoTClient 6:641a9672db08 1000 result = __LINE__;
AzureIoTClient 6:641a9672db08 1001 }
AzureIoTClient 6:641a9672db08 1002 else
AzureIoTClient 6:641a9672db08 1003 {
AzureIoTClient 6:641a9672db08 1004 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1005
AzureIoTClient 6:641a9672db08 1006 /* Codes_SRS_SASLCLIENTIO_01_098: [saslclientio_close shall only perform the close if the state is OPEN, OPENING or ERROR.] */
AzureIoTClient 6:641a9672db08 1007 if ((sasl_client_io_instance->io_state == IO_STATE_NOT_OPEN) ||
AzureIoTClient 6:641a9672db08 1008 (sasl_client_io_instance->io_state == IO_STATE_CLOSING))
AzureIoTClient 6:641a9672db08 1009 {
AzureIoTClient 6:641a9672db08 1010 result = __LINE__;
AzureIoTClient 6:641a9672db08 1011 }
AzureIoTClient 6:641a9672db08 1012 else
AzureIoTClient 6:641a9672db08 1013 {
AzureIoTClient 6:641a9672db08 1014 sasl_client_io_instance->io_state = IO_STATE_CLOSING;
Azure.IoT Build 0:6ae2f7bca550 1015
Azure.IoT Build 0:6ae2f7bca550 1016 sasl_client_io_instance->on_io_close_complete = on_io_close_complete;
Azure.IoT Build 0:6ae2f7bca550 1017 sasl_client_io_instance->on_io_close_complete_context = on_io_close_complete_context;
Azure.IoT Build 0:6ae2f7bca550 1018
AzureIoTClient 6:641a9672db08 1019 /* Codes_SRS_SASLCLIENTIO_01_015: [saslclientio_close shall close the underlying io handle passed in saslclientio_create by calling xio_close.] */
AzureIoTClient 6:641a9672db08 1020 if (xio_close(sasl_client_io_instance->underlying_io, on_underlying_io_close_complete, sasl_client_io_instance) != 0)
AzureIoTClient 6:641a9672db08 1021 {
AzureIoTClient 6:641a9672db08 1022 /* Codes_SRS_SASLCLIENTIO_01_018: [If xio_close fails, then saslclientio_close shall return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1023 result = __LINE__;
AzureIoTClient 6:641a9672db08 1024 }
AzureIoTClient 6:641a9672db08 1025 else
AzureIoTClient 6:641a9672db08 1026 {
AzureIoTClient 6:641a9672db08 1027 /* Codes_SRS_SASLCLIENTIO_01_016: [On success, saslclientio_close shall return 0.] */
AzureIoTClient 6:641a9672db08 1028 result = 0;
AzureIoTClient 6:641a9672db08 1029 }
AzureIoTClient 6:641a9672db08 1030 }
AzureIoTClient 6:641a9672db08 1031 }
Azure.IoT Build 0:6ae2f7bca550 1032
AzureIoTClient 6:641a9672db08 1033 return result;
Azure.IoT Build 0:6ae2f7bca550 1034 }
Azure.IoT Build 0:6ae2f7bca550 1035
Azure.IoT Build 0:6ae2f7bca550 1036 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 1037 {
AzureIoTClient 6:641a9672db08 1038 int result;
Azure.IoT Build 0:6ae2f7bca550 1039
AzureIoTClient 6:641a9672db08 1040 /* 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 1041 if ((sasl_client_io == NULL) ||
AzureIoTClient 6:641a9672db08 1042 (buffer == NULL) ||
AzureIoTClient 6:641a9672db08 1043 /* Codes_SRS_SASLCLIENTIO_01_023: [If size is 0, saslclientio_send shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1044 (size == 0))
AzureIoTClient 6:641a9672db08 1045 {
AzureIoTClient 6:641a9672db08 1046 /* Invalid arguments */
AzureIoTClient 6:641a9672db08 1047 result = __LINE__;
AzureIoTClient 6:641a9672db08 1048 }
AzureIoTClient 6:641a9672db08 1049 else
AzureIoTClient 6:641a9672db08 1050 {
AzureIoTClient 6:641a9672db08 1051 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1052
AzureIoTClient 6:641a9672db08 1053 /* 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 1054 if (sasl_client_io_instance->io_state != IO_STATE_OPEN)
AzureIoTClient 6:641a9672db08 1055 {
AzureIoTClient 6:641a9672db08 1056 result = __LINE__;
AzureIoTClient 6:641a9672db08 1057 }
AzureIoTClient 6:641a9672db08 1058 else
AzureIoTClient 6:641a9672db08 1059 {
AzureIoTClient 6:641a9672db08 1060 /* 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 1061 if (xio_send(sasl_client_io_instance->underlying_io, buffer, size, on_send_complete, callback_context) != 0)
AzureIoTClient 6:641a9672db08 1062 {
AzureIoTClient 6:641a9672db08 1063 /* 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 1064 result = __LINE__;
AzureIoTClient 6:641a9672db08 1065 }
AzureIoTClient 6:641a9672db08 1066 else
AzureIoTClient 6:641a9672db08 1067 {
AzureIoTClient 6:641a9672db08 1068 /* Codes_SRS_SASLCLIENTIO_01_021: [On success, saslclientio_send shall return 0.] */
AzureIoTClient 6:641a9672db08 1069 result = 0;
AzureIoTClient 6:641a9672db08 1070 }
AzureIoTClient 6:641a9672db08 1071 }
AzureIoTClient 6:641a9672db08 1072 }
Azure.IoT Build 0:6ae2f7bca550 1073
AzureIoTClient 6:641a9672db08 1074 return result;
Azure.IoT Build 0:6ae2f7bca550 1075 }
Azure.IoT Build 0:6ae2f7bca550 1076
Azure.IoT Build 0:6ae2f7bca550 1077 void saslclientio_dowork(CONCRETE_IO_HANDLE sasl_client_io)
Azure.IoT Build 0:6ae2f7bca550 1078 {
AzureIoTClient 6:641a9672db08 1079 /* Codes_SRS_SASLCLIENTIO_01_026: [If the sasl_client_io argument is NULL, saslclientio_dowork shall do nothing.] */
AzureIoTClient 6:641a9672db08 1080 if (sasl_client_io != NULL)
AzureIoTClient 6:641a9672db08 1081 {
AzureIoTClient 6:641a9672db08 1082 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
Azure.IoT Build 0:6ae2f7bca550 1083
AzureIoTClient 6:641a9672db08 1084 /* Codes_SRS_SASLCLIENTIO_01_025: [saslclientio_dowork shall call the xio_dowork on the underlying_io passed in saslclientio_create.] */
AzureIoTClient 6:641a9672db08 1085 if (sasl_client_io_instance->io_state != IO_STATE_NOT_OPEN)
AzureIoTClient 6:641a9672db08 1086 {
AzureIoTClient 6:641a9672db08 1087 /* Codes_SRS_SASLCLIENTIO_01_025: [saslclientio_dowork shall call the xio_dowork on the underlying_io passed in saslclientio_create.] */
AzureIoTClient 6:641a9672db08 1088 xio_dowork(sasl_client_io_instance->underlying_io);
AzureIoTClient 6:641a9672db08 1089 }
AzureIoTClient 6:641a9672db08 1090 }
Azure.IoT Build 0:6ae2f7bca550 1091 }
Azure.IoT Build 0:6ae2f7bca550 1092
AzureIoTClient 1:eab586236bfe 1093 /* Codes_SRS_SASLCLIENTIO_03_001: [saslclientio_setoption shall forward options to underlying io.]*/
AzureIoTClient 1:eab586236bfe 1094 int saslclientio_setoption(CONCRETE_IO_HANDLE sasl_client_io, const char* optionName, const void* value)
Azure.IoT Build 0:6ae2f7bca550 1095 {
AzureIoTClient 1:eab586236bfe 1096 int result;
AzureIoTClient 1:eab586236bfe 1097
AzureIoTClient 1:eab586236bfe 1098 if (sasl_client_io == NULL)
AzureIoTClient 1:eab586236bfe 1099 {
AzureIoTClient 1:eab586236bfe 1100 result = __LINE__;
AzureIoTClient 1:eab586236bfe 1101 }
AzureIoTClient 1:eab586236bfe 1102 else
AzureIoTClient 1:eab586236bfe 1103 {
AzureIoTClient 1:eab586236bfe 1104 SASL_CLIENT_IO_INSTANCE* sasl_client_io_instance = (SASL_CLIENT_IO_INSTANCE*)sasl_client_io;
AzureIoTClient 1:eab586236bfe 1105
AzureIoTClient 1:eab586236bfe 1106 if (sasl_client_io_instance->underlying_io == NULL)
AzureIoTClient 1:eab586236bfe 1107 {
AzureIoTClient 1:eab586236bfe 1108 result = __LINE__;
AzureIoTClient 1:eab586236bfe 1109 }
AzureIoTClient 6:641a9672db08 1110 else if (strcmp("logtrace", optionName) == 0)
AzureIoTClient 6:641a9672db08 1111 {
AzureIoTClient 6:641a9672db08 1112 sasl_client_io_instance->is_trace_on = *((bool*)value) == true ? 1 : 0;
AzureIoTClient 6:641a9672db08 1113 result = 0;
AzureIoTClient 6:641a9672db08 1114 }
AzureIoTClient 1:eab586236bfe 1115 else
AzureIoTClient 1:eab586236bfe 1116 {
AzureIoTClient 1:eab586236bfe 1117 result = xio_setoption(sasl_client_io_instance->underlying_io, optionName, value);
AzureIoTClient 1:eab586236bfe 1118 }
AzureIoTClient 1:eab586236bfe 1119 }
AzureIoTClient 6:641a9672db08 1120 return result;
AzureIoTClient 6:641a9672db08 1121 }
AzureIoTClient 1:eab586236bfe 1122
AzureIoTClient 6:641a9672db08 1123 /*this function will clone an option given by name and value*/
AzureIoTClient 6:641a9672db08 1124 static void* saslclientio_CloneOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 1125 {
AzureIoTClient 6:641a9672db08 1126 (void)(name, value);
AzureIoTClient 6:641a9672db08 1127 return NULL;
AzureIoTClient 6:641a9672db08 1128 }
AzureIoTClient 6:641a9672db08 1129
AzureIoTClient 6:641a9672db08 1130 /*this function destroys an option previously created*/
AzureIoTClient 6:641a9672db08 1131 static void saslclientio_DestroyOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 1132 {
AzureIoTClient 6:641a9672db08 1133 (void)(name, value);
AzureIoTClient 6:641a9672db08 1134 }
AzureIoTClient 6:641a9672db08 1135
AzureIoTClient 6:641a9672db08 1136 static OPTIONHANDLER_HANDLE saslclientio_retrieveoptions(CONCRETE_IO_HANDLE handle)
AzureIoTClient 6:641a9672db08 1137 {
AzureIoTClient 6:641a9672db08 1138 OPTIONHANDLER_HANDLE result;
AzureIoTClient 6:641a9672db08 1139 (void)handle;
AzureIoTClient 6:641a9672db08 1140 result = OptionHandler_Create(saslclientio_CloneOption, saslclientio_DestroyOption, saslclientio_setoption);
AzureIoTClient 6:641a9672db08 1141 if (result == NULL)
AzureIoTClient 6:641a9672db08 1142 {
AzureIoTClient 6:641a9672db08 1143 LogError("unable to OptionHandler_Create");
AzureIoTClient 6:641a9672db08 1144 /*return as is*/
AzureIoTClient 6:641a9672db08 1145 }
AzureIoTClient 6:641a9672db08 1146 else
AzureIoTClient 6:641a9672db08 1147 {
AzureIoTClient 6:641a9672db08 1148 /*insert here work to add the options to "result" handle*/
AzureIoTClient 6:641a9672db08 1149 }
AzureIoTClient 1:eab586236bfe 1150 return result;
Azure.IoT Build 0:6ae2f7bca550 1151 }
Azure.IoT Build 0:6ae2f7bca550 1152
Azure.IoT Build 0:6ae2f7bca550 1153 static const IO_INTERFACE_DESCRIPTION sasl_client_io_interface_description =
Azure.IoT Build 0:6ae2f7bca550 1154 {
AzureIoTClient 6:641a9672db08 1155 saslclientio_retrieveoptions,
AzureIoTClient 6:641a9672db08 1156 saslclientio_create,
AzureIoTClient 6:641a9672db08 1157 saslclientio_destroy,
AzureIoTClient 6:641a9672db08 1158 saslclientio_open,
AzureIoTClient 6:641a9672db08 1159 saslclientio_close,
AzureIoTClient 6:641a9672db08 1160 saslclientio_send,
AzureIoTClient 6:641a9672db08 1161 saslclientio_dowork,
Azure.IoT Build 0:6ae2f7bca550 1162 saslclientio_setoption
Azure.IoT Build 0:6ae2f7bca550 1163 };
Azure.IoT Build 0:6ae2f7bca550 1164
Azure.IoT Build 0:6ae2f7bca550 1165 /* 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 1166 const IO_INTERFACE_DESCRIPTION* saslclientio_get_interface_description(void)
Azure.IoT Build 0:6ae2f7bca550 1167 {
AzureIoTClient 6:641a9672db08 1168 return &sasl_client_io_interface_description;
Azure.IoT Build 0:6ae2f7bca550 1169 }