resource/csdk/connectivity/src/caconnectivitymanager.c

   1 /******************************************************************
   2  *
   3  * Copyright 2014 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  ******************************************************************/
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <stdint.h>
  24 #include <stdbool.h>
  25
  26 #include "cainterface.h"
  27 #include "caremotehandler.h"
  28 #include "camessagehandler.h"
  29 #include "caprotocolmessage.h"
  30 #include "canetworkconfigurator.h"
  31 #include "cainterfacecontroller.h"
  32 #include "logger.h"
  33 #ifdef __WITH_DTLS__
  34 #include "caadapternetdtls.h"
  35 #endif
  36
  37 #ifdef TCP_ADAPTER
  38 #include "catcpadapter.h"
  39 #endif
  40
  41 CAGlobals_t caglobals = { 0 };
  42
  43 #define TAG "CA_CONN_MGR"
  44
  45 static bool g_isInitialized = false;
  46
  47 #ifdef __WITH_DTLS__
  48 // CAAdapterNetDTLS will register the callback.
  49 // Taking callback all the way through adapters not the right approach, hence calling here.
  50 extern void CADTLSSetCredentialsCallback(CAGetDTLSPskCredentialsHandler credCallback);
  51 #endif
  52
  53 #ifdef __WITH_X509__
  54 // CAAdapterNetDTLS will register the callback.
  55 // Taking callback all the way through adapters not the right approach, hence calling here.
  56 extern void CADTLSSetX509CredentialsCallback(CAGetDTLSX509CredentialsHandler credCallback);
  57 extern void CADTLSSetCrlCallback(CAGetDTLSCrlHandler crlCallback);
  58 #endif
  59
  60 CAResult_t CAInitialize()
  61 {
  62     OIC_LOG(DEBUG, TAG, "CAInitialize");
  63
  64     if (!g_isInitialized)
  65     {
  66         CAResult_t res = CAInitializeMessageHandler();
  67         if (res != CA_STATUS_OK)
  68         {
  69             OIC_LOG(ERROR, TAG, "CAInitialize has failed");
  70             return res;
  71         }
  72         g_isInitialized = true;
  73     }
  74     return CA_STATUS_OK;
  75 }
  76
  77 void CATerminate()
  78 {
  79     OIC_LOG(DEBUG, TAG, "CATerminate");
  80
  81     if (g_isInitialized)
  82     {
  83         CATerminateMessageHandler();
  84         CATerminateNetworkType();
  85
  86         g_isInitialized = false;
  87     }
  88 }
  89
  90 CAResult_t CAStartListeningServer()
  91 {
  92     OIC_LOG(DEBUG, TAG, "CAStartListeningServer");
  93
  94     if(!g_isInitialized)
  95     {
  96         return CA_STATUS_NOT_INITIALIZED;
  97     }
  98
  99     return CAStartListeningServerAdapters();
 100 }
 101
 102 CAResult_t CAStopListeningServer()
 103 {
 104     OIC_LOG(DEBUG, TAG, "CAStopListeningServer");
 105
 106     if(!g_isInitialized)
 107     {
 108         return CA_STATUS_NOT_INITIALIZED;
 109     }
 110
 111     return CAStopListeningServerAdapters();
 112 }
 113
 114 CAResult_t CAStartDiscoveryServer()
 115 {
 116     OIC_LOG(DEBUG, TAG, "CAStartDiscoveryServer");
 117
 118     if(!g_isInitialized)
 119     {
 120         return CA_STATUS_NOT_INITIALIZED;
 121     }
 122
 123     return CAStartDiscoveryServerAdapters();
 124 }
 125
 126 void CARegisterHandler(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
 127                        CAErrorCallback ErrorHandler)
 128 {
 129     OIC_LOG(DEBUG, TAG, "CARegisterHandler");
 130
 131     if(!g_isInitialized)
 132     {
 133         OIC_LOG(DEBUG, TAG, "CA is not initialized");
 134         return;
 135     }
 136
 137     CASetInterfaceCallbacks(ReqHandler, RespHandler, ErrorHandler);
 138 }
 139
 140 #ifdef __WITH_DTLS__
 141 CAResult_t CARegisterDTLSCredentialsHandler(CAGetDTLSPskCredentialsHandler GetDTLSCredentialsHandler)
 142 {
 143     OIC_LOG(DEBUG, TAG, "CARegisterDTLSCredentialsHandler");
 144
 145     if(!g_isInitialized)
 146     {
 147         return CA_STATUS_NOT_INITIALIZED;
 148     }
 149
 150     CADTLSSetCredentialsCallback(GetDTLSCredentialsHandler);
 151     return CA_STATUS_OK;
 152 }
 153 #endif //__WITH_DTLS__
 154
 155 #ifdef __WITH_X509__
 156 CAResult_t CARegisterDTLSX509CredentialsHandler(CAGetDTLSX509CredentialsHandler GetDTLSX509CredentialsHandler)
 157 {
 158     OIC_LOG(DEBUG, TAG, "CARegisterDTLSX509CredentialsHandler");
 159
 160     if(!g_isInitialized)
 161     {
 162         return CA_STATUS_NOT_INITIALIZED;
 163     }
 164
 165     CADTLSSetX509CredentialsCallback(GetDTLSX509CredentialsHandler);
 166     return CA_STATUS_OK;
 167 }
 168
 169 CAResult_t CARegisterDTLSCrlHandler(CAGetDTLSCrlHandler GetDTLSCrlHandler)
 170 {
 171     OIC_LOG(DEBUG, TAG, "CARegisterDTLSCrlHandler");
 172
 173     if(!g_isInitialized)
 174     {
 175         return CA_STATUS_NOT_INITIALIZED;
 176     }
 177
 178     CADTLSSetCrlCallback(GetDTLSCrlHandler);
 179     return CA_STATUS_OK;
 180 }
 181 #endif //__WITH_X509__
 182
 183 CAResult_t CACreateEndpoint(CATransportFlags_t flags,
 184                             CATransportAdapter_t adapter,
 185                             const char *addr,
 186                             uint16_t port,
 187                             CAEndpoint_t **object)
 188 {
 189     if (!object)
 190     {
 191         OIC_LOG(ERROR, TAG, "Invalid Parameter");
 192         return CA_STATUS_INVALID_PARAM;
 193     }
 194
 195     CAEndpoint_t *endpoint = CACreateEndpointObject(flags, adapter, addr, port);
 196     if (!endpoint)
 197     {
 198         return CA_STATUS_FAILED;
 199     }
 200     *object = endpoint;
 201     return CA_STATUS_OK;
 202 }
 203
 204 void CADestroyEndpoint(CAEndpoint_t *rep)
 205 {
 206     OIC_LOG(DEBUG, TAG, "CADestroyEndpoint");
 207
 208     CAFreeEndpoint(rep);
 209 }
 210
 211 CAResult_t CAGenerateToken(CAToken_t *token, uint8_t tokenLength)
 212 {
 213     OIC_LOG(DEBUG, TAG, "CAGenerateToken");
 214
 215     return CAGenerateTokenInternal(token, tokenLength);
 216 }
 217
 218 void CADestroyToken(CAToken_t token)
 219 {
 220     OIC_LOG(DEBUG, TAG, "CADestroyToken");
 221
 222     CADestroyTokenInternal(token);
 223
 224     OIC_LOG(DEBUG, TAG, "OUT");
 225 }
 226
 227 CAResult_t CAGetNetworkInformation(CAEndpoint_t **info, uint32_t *size)
 228 {
 229     OIC_LOG(DEBUG, TAG, "CAGetNetworkInformation");
 230
 231     if(!g_isInitialized)
 232     {
 233         return CA_STATUS_NOT_INITIALIZED;
 234     }
 235
 236     return CAGetNetworkInformationInternal(info, size);
 237 }
 238
 239 CAResult_t CASendRequest(const CAEndpoint_t *object,const CARequestInfo_t *requestInfo)
 240 {
 241     OIC_LOG(DEBUG, TAG, "CASendGetRequest");
 242
 243     if(!g_isInitialized)
 244     {
 245         return CA_STATUS_NOT_INITIALIZED;
 246     }
 247
 248     return CADetachRequestMessage(object, requestInfo);
 249 }
 250
 251 CAResult_t CASendResponse(const CAEndpoint_t *object, const CAResponseInfo_t *responseInfo)
 252 {
 253     OIC_LOG(DEBUG, TAG, "CASendResponse");
 254
 255     if(!g_isInitialized)
 256     {
 257         return CA_STATUS_NOT_INITIALIZED;
 258     }
 259
 260     return CADetachResponseMessage(object, responseInfo);
 261 }
 262
 263 CAResult_t CASelectNetwork(CATransportAdapter_t interestedNetwork)
 264 {
 265     OIC_LOG_V(DEBUG, TAG, "Selected network : %d", interestedNetwork);
 266
 267     if(!g_isInitialized)
 268     {
 269         return CA_STATUS_NOT_INITIALIZED;
 270     }
 271
 272     CAResult_t res = CA_STATUS_OK;
 273
 274     if (interestedNetwork & CA_ADAPTER_IP)
 275     {
 276         res = CAAddNetworkType(CA_ADAPTER_IP);
 277         OIC_LOG_V(DEBUG, TAG, "CAAddNetworkType(CA_IP_ADAPTER) function returns result: %d", res);
 278     }
 279     else if (interestedNetwork & CA_ADAPTER_RFCOMM_BTEDR)
 280     {
 281         res = CAAddNetworkType(CA_ADAPTER_RFCOMM_BTEDR);
 282         OIC_LOG_V(DEBUG, TAG, "CAAddNetworkType(CA_RFCOMM_ADAPTER) function returns result : %d", res);
 283     }
 284     else if (interestedNetwork & CA_ADAPTER_GATT_BTLE)
 285     {
 286         res = CAAddNetworkType(CA_ADAPTER_GATT_BTLE);
 287         OIC_LOG_V(DEBUG, TAG, "CAAddNetworkType(CA_GATT_ADAPTER) function returns result : %d", res);
 288     }
 289
 290 #ifdef RA_ADAPTER
 291     else if (interestedNetwork & CA_ADAPTER_REMOTE_ACCESS)
 292     {
 293         res = CAAddNetworkType(CA_ADAPTER_REMOTE_ACCESS);
 294         OIC_LOG_V(DEBUG, TAG,
 295                   "CAAddNetworkType(CA_ADAPTER_REMOTE_ACCESS) function returns result : %d", res);
 296     }
 297 #endif
 298
 299 #ifdef TCP_ADAPTER
 300     else if (interestedNetwork & CA_ADAPTER_TCP)
 301     {
 302         res = CAAddNetworkType(CA_ADAPTER_TCP);
 303         OIC_LOG_V(DEBUG, TAG,
 304                   "CAAddNetworkType(CA_ADAPTER_TCP) function returns result : %d", res);
 305     }
 306 #endif
 307
 308     else
 309     {
 310         res = CA_NOT_SUPPORTED;
 311     }
 312     return res;
 313 }
 314
 315 CAResult_t CAUnSelectNetwork(CATransportAdapter_t nonInterestedNetwork)
 316 {
 317     OIC_LOG_V(DEBUG, TAG, "unselected network : %d", nonInterestedNetwork);
 318
 319     if(!g_isInitialized)
 320     {
 321         return CA_STATUS_NOT_INITIALIZED;
 322     }
 323
 324     CAResult_t res = CA_STATUS_OK;
 325
 326     if (nonInterestedNetwork & CA_ADAPTER_IP)
 327     {
 328         res = CARemoveNetworkType(CA_ADAPTER_IP);
 329         OIC_LOG_V(DEBUG, TAG, "CARemoveNetworkType(CA_IP_ADAPTER) function returns result : %d", res);
 330     }
 331     else if (nonInterestedNetwork & CA_ADAPTER_RFCOMM_BTEDR)
 332     {
 333         res = CARemoveNetworkType(CA_ADAPTER_RFCOMM_BTEDR);
 334         OIC_LOG_V(DEBUG, TAG, "CARemoveNetworkType(CA_RFCOMM_ADAPTER) function returns result : %d", res);
 335     }
 336     else if (nonInterestedNetwork & CA_ADAPTER_GATT_BTLE)
 337     {
 338         res = CARemoveNetworkType(CA_ADAPTER_GATT_BTLE);
 339         OIC_LOG_V(DEBUG, TAG, "CARemoveNetworkType(CA_GATT_ADAPTER) function returns result : %d", res);
 340     }
 341 #ifdef RA_ADAPTER
 342     else if (nonInterestedNetwork & CA_ADAPTER_REMOTE_ACCESS)
 343     {
 344         res = CARemoveNetworkType(CA_ADAPTER_REMOTE_ACCESS);
 345         OIC_LOG_V(DEBUG, TAG, "CARemoveNetworkType(CA_ADAPTER_REMOTE_ACCESS) function returns result : %d",
 346                   res);
 347     }
 348 #endif
 349
 350
 351 #ifdef TCP_ADAPTER
 352     else if (nonInterestedNetwork & CA_ADAPTER_TCP)
 353     {
 354         res = CARemoveNetworkType(CA_ADAPTER_TCP);
 355         OIC_LOG_V(DEBUG, TAG, "CARemoveNetworkType(CA_ADAPTER_TCP) function returns result : %d",
 356                   res);
 357     }
 358 #endif
 359
 360     else
 361     {
 362         res = CA_STATUS_FAILED;
 363     }
 364     return res;
 365 }
 366
 367 CAResult_t CAHandleRequestResponse()
 368 {
 369     if (!g_isInitialized)
 370     {
 371         OIC_LOG(ERROR, TAG, "not initialized");
 372         return CA_STATUS_NOT_INITIALIZED;
 373     }
 374
 375     CAHandleRequestResponseCallbacks();
 376
 377     return CA_STATUS_OK;
 378 }
 379
 380 #ifdef __WITH_DTLS__
 381
 382 CAResult_t CASelectCipherSuite(const uint16_t cipher)
 383 {
 384     OIC_LOG_V(DEBUG, TAG, "CASelectCipherSuite");
 385
 386     return CADtlsSelectCipherSuite(cipher);
 387 }
 388
 389 CAResult_t CAEnableAnonECDHCipherSuite(const bool enable)
 390 {
 391     OIC_LOG_V(DEBUG, TAG, "CAEnableAnonECDHCipherSuite");
 392
 393     return CADtlsEnableAnonECDHCipherSuite(enable);
 394 }
 395
 396 CAResult_t CAGenerateOwnerPSK(const CAEndpoint_t* endpoint,
 397                     const uint8_t* label, const size_t labelLen,
 398                     const uint8_t* rsrcServerDeviceID, const size_t rsrcServerDeviceIDLen,
 399                     const uint8_t* provServerDeviceID, const size_t provServerDeviceIDLen,
 400                     uint8_t* ownerPSK, const size_t ownerPSKSize)
 401 {
 402     OIC_LOG_V(DEBUG, TAG, "IN : CAGenerateOwnerPSK");
 403
 404     CAResult_t res = CA_STATUS_OK;
 405
 406     //newOwnerLabel and prevOwnerLabe can be NULL
 407     if (!endpoint || !label || 0 == labelLen || !ownerPSK || 0 == ownerPSKSize)
 408     {
 409         return CA_STATUS_INVALID_PARAM;
 410     }
 411
 412     res = CADtlsGenerateOwnerPSK(endpoint, label, labelLen,
 413                                   rsrcServerDeviceID, rsrcServerDeviceIDLen,
 414                                   provServerDeviceID, provServerDeviceIDLen,
 415                                   ownerPSK, ownerPSKSize);
 416     if (CA_STATUS_OK != res)
 417     {
 418         OIC_LOG_V(ERROR, TAG, "Failed to CAGenerateOwnerPSK : %d", res);
 419     }
 420
 421     OIC_LOG_V(DEBUG, TAG, "OUT : CAGenerateOwnerPSK");
 422
 423     return res;
 424 }
 425
 426 CAResult_t CAInitiateHandshake(const CAEndpoint_t *endpoint)
 427 {
 428     OIC_LOG_V(DEBUG, TAG, "IN : CAInitiateHandshake");
 429     CAResult_t res = CA_STATUS_OK;
 430
 431     if (!endpoint)
 432     {
 433         return CA_STATUS_INVALID_PARAM;
 434     }
 435
 436     res = CADtlsInitiateHandshake(endpoint);
 437     if (CA_STATUS_OK != res)
 438     {
 439         OIC_LOG_V(ERROR, TAG, "Failed to CADtlsInitiateHandshake : %d", res);
 440     }
 441
 442     OIC_LOG_V(DEBUG, TAG, "OUT : CAInitiateHandshake");
 443
 444     return res;
 445 }
 446
 447 CAResult_t CACloseDtlsSession(const CAEndpoint_t *endpoint)
 448 {
 449     OIC_LOG_V(DEBUG, TAG, "IN : CACloseDtlsSession");
 450     CAResult_t res = CA_STATUS_OK;
 451
 452     if (!endpoint)
 453     {
 454         return CA_STATUS_INVALID_PARAM;
 455     }
 456
 457     res = CADtlsClose(endpoint);
 458     if (CA_STATUS_OK != res)
 459     {
 460         OIC_LOG_V(ERROR, TAG, "Failed to CADtlsClose : %d", res);
 461     }
 462
 463     OIC_LOG_V(DEBUG, TAG, "OUT : CACloseDtlsSession");
 464
 465     return res;
 466 }
 467
 468 #endif /* __WITH_DTLS__ */