Imported Upstream version 0.9.2
[platform/upstream/iotivity.git] / 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 CAGlobals_t caglobals = { 0 };
38
39 #define TAG "CA_CONN_MGR"
40
41 static bool g_isInitialized = false;
42
43 #ifdef __WITH_DTLS__
44 // CAAdapterNetDTLS will register the callback.
45 // Taking callback all the way through adapters not the right approach, hence calling here.
46 extern void CADTLSSetCredentialsCallback(CAGetDTLSCredentialsHandler credCallback);
47 #endif
48
49 CAResult_t CAInitialize()
50 {
51     OIC_LOG(DEBUG, TAG, "CAInitialize");
52
53     if (!g_isInitialized)
54     {
55         CAResult_t res = CAInitializeMessageHandler();
56         if (res != CA_STATUS_OK)
57         {
58             OIC_LOG(ERROR, TAG, "CAInitialize has failed");
59             return res;
60         }
61         g_isInitialized = true;
62     }
63     return CA_STATUS_OK;
64 }
65
66 void CATerminate()
67 {
68     OIC_LOG(DEBUG, TAG, "CATerminate");
69
70     if (g_isInitialized)
71     {
72         CATerminateMessageHandler();
73         CATerminateNetworkType();
74
75         g_isInitialized = false;
76     }
77 }
78
79 CAResult_t CAStartListeningServer()
80 {
81     OIC_LOG(DEBUG, TAG, "CAStartListeningServer");
82
83     if(!g_isInitialized)
84     {
85         return CA_STATUS_NOT_INITIALIZED;
86     }
87
88     return CAStartListeningServerAdapters();
89 }
90
91 CAResult_t CAStartDiscoveryServer()
92 {
93     OIC_LOG(DEBUG, TAG, "CAStartDiscoveryServer");
94
95     if(!g_isInitialized)
96     {
97         return CA_STATUS_NOT_INITIALIZED;
98     }
99
100     return CAStartDiscoveryServerAdapters();
101 }
102
103 void CARegisterHandler(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
104                        CAErrorCallback ErrorHandler)
105 {
106     OIC_LOG(DEBUG, TAG, "CARegisterHandler");
107
108     if(!g_isInitialized)
109     {
110         OIC_LOG(DEBUG, TAG, "CA is not initialized");
111         return;
112     }
113
114     CASetInterfaceCallbacks(ReqHandler, RespHandler, ErrorHandler);
115 }
116
117 #ifdef __WITH_DTLS__
118 CAResult_t CARegisterDTLSCredentialsHandler(CAGetDTLSCredentialsHandler GetDTLSCredentialsHandler)
119 {
120     OIC_LOG(DEBUG, TAG, "CARegisterDTLSCredentialsHandler");
121
122     if(!g_isInitialized)
123     {
124         return CA_STATUS_NOT_INITIALIZED;
125     }
126
127     CADTLSSetCredentialsCallback(GetDTLSCredentialsHandler);
128     return CA_STATUS_OK;
129 }
130 #endif //__WITH_DTLS__
131
132 CAResult_t CACreateEndpoint(CATransportFlags_t flags,
133                             CATransportAdapter_t adapter,
134                             const char *addr,
135                             uint16_t port,
136                             CAEndpoint_t **object)
137 {
138     if (!object)
139     {
140         OIC_LOG(ERROR, TAG, "Invalid Parameter");
141         return CA_STATUS_INVALID_PARAM;
142     }
143
144     CAEndpoint_t *endpoint = CACreateEndpointObject(flags, adapter, addr, port);
145     if (!endpoint)
146     {
147         return CA_STATUS_FAILED;
148     }
149     *object = endpoint;
150     return CA_STATUS_OK;
151 }
152
153 void CADestroyEndpoint(CAEndpoint_t *rep)
154 {
155     OIC_LOG(DEBUG, TAG, "CADestroyEndpoint");
156
157     CAFreeEndpoint(rep);
158 }
159
160 CAResult_t CAGenerateToken(CAToken_t *token, uint8_t tokenLength)
161 {
162     OIC_LOG(DEBUG, TAG, "CAGenerateToken");
163
164     if(!g_isInitialized)
165     {
166         return CA_STATUS_NOT_INITIALIZED;
167     }
168     return CAGenerateTokenInternal(token, tokenLength);
169 }
170
171 void CADestroyToken(CAToken_t token)
172 {
173     OIC_LOG(DEBUG, TAG, "CADestroyToken");
174
175     CADestroyTokenInternal(token);
176
177     OIC_LOG(DEBUG, TAG, "OUT");
178 }
179
180 CAResult_t CAGetNetworkInformation(CAEndpoint_t **info, uint32_t *size)
181 {
182     OIC_LOG(DEBUG, TAG, "CAGetNetworkInformation");
183
184     if(!g_isInitialized)
185     {
186         return CA_STATUS_NOT_INITIALIZED;
187     }
188
189     return CAGetNetworkInformationInternal(info, size);
190 }
191
192 CAResult_t CASendRequest(const CAEndpoint_t *object,const CARequestInfo_t *requestInfo)
193 {
194     OIC_LOG(DEBUG, TAG, "CASendGetRequest");
195
196     if(!g_isInitialized)
197     {
198         return CA_STATUS_NOT_INITIALIZED;
199     }
200
201     return CADetachRequestMessage(object, requestInfo);
202 }
203
204 CAResult_t CASendNotification(const CAEndpoint_t *object, const CAResponseInfo_t *responseInfo)
205 {
206     OIC_LOG(DEBUG, TAG, "CASendNotification");
207
208     if(!g_isInitialized)
209     {
210         return CA_STATUS_NOT_INITIALIZED;
211     }
212
213     return CADetachResponseMessage(object, responseInfo);
214
215 }
216
217 CAResult_t CASendResponse(const CAEndpoint_t *object, const CAResponseInfo_t *responseInfo)
218 {
219     OIC_LOG(DEBUG, TAG, "CASendResponse");
220
221     if(!g_isInitialized)
222     {
223         return CA_STATUS_NOT_INITIALIZED;
224     }
225
226     return CADetachResponseMessage(object, responseInfo);
227
228 }
229
230 CAResult_t CASelectNetwork(CATransportAdapter_t interestedNetwork)
231 {
232     OIC_LOG_V(DEBUG, TAG, "Selected network : %d", interestedNetwork);
233
234     if(!g_isInitialized)
235     {
236         return CA_STATUS_NOT_INITIALIZED;
237     }
238
239     CAResult_t res = CA_STATUS_OK;
240
241     if (interestedNetwork & CA_ADAPTER_IP)
242     {
243         res = CAAddNetworkType(CA_ADAPTER_IP);
244         OIC_LOG_V(ERROR, TAG, "CAAddNetworkType(CA_IP_ADAPTER) function returns error : %d", res);
245     }
246     else if (interestedNetwork & CA_ADAPTER_RFCOMM_BTEDR)
247     {
248         res = CAAddNetworkType(CA_ADAPTER_RFCOMM_BTEDR);
249         OIC_LOG_V(ERROR, TAG, "CAAddNetworkType(CA_RFCOMM_ADAPTER) function returns error : %d", res);
250     }
251     else if (interestedNetwork & CA_ADAPTER_GATT_BTLE)
252     {
253         res = CAAddNetworkType(CA_ADAPTER_GATT_BTLE);
254         OIC_LOG_V(ERROR, TAG, "CAAddNetworkType(CA_GATT_ADAPTER) function returns error : %d", res);
255     }
256
257     #ifdef RA_ADAPTER
258     else if (interestedNetwork & CA_ADAPTER_REMOTE_ACCESS)
259     {
260         res = CAAddNetworkType(CA_ADAPTER_REMOTE_ACCESS);
261         OIC_LOG_V(ERROR, TAG, "CAAddNetworkType(CA_ADAPTER_REMOTE_ACCESS) function returns error : %d",
262                                                                     res);
263     }
264     #endif
265     else
266     {
267         res = CA_NOT_SUPPORTED;
268     }
269     return res;
270 }
271
272 CAResult_t CAUnSelectNetwork(CATransportAdapter_t nonInterestedNetwork)
273 {
274     OIC_LOG_V(DEBUG, TAG, "unselected network : %d", nonInterestedNetwork);
275
276     if(!g_isInitialized)
277     {
278         return CA_STATUS_NOT_INITIALIZED;
279     }
280
281     CAResult_t res = CA_STATUS_OK;
282
283     if (nonInterestedNetwork & CA_ADAPTER_IP)
284     {
285         res = CARemoveNetworkType(CA_ADAPTER_IP);
286         OIC_LOG_V(ERROR, TAG, "CARemoveNetworkType(CA_IP_ADAPTER) function returns error : %d", res);
287     }
288     else if (nonInterestedNetwork & CA_ADAPTER_RFCOMM_BTEDR)
289     {
290         res = CARemoveNetworkType(CA_ADAPTER_RFCOMM_BTEDR);
291         OIC_LOG_V(ERROR, TAG, "CARemoveNetworkType(CA_RFCOMM_ADAPTER) function returns error : %d", res);
292     }
293     else if (nonInterestedNetwork & CA_ADAPTER_GATT_BTLE)
294     {
295         res = CARemoveNetworkType(CA_ADAPTER_GATT_BTLE);
296         OIC_LOG_V(ERROR, TAG, "CARemoveNetworkType(CA_GATT_ADAPTER) function returns error : %d", res);
297     }
298     #ifdef RA_ADAPTER
299     else if (nonInterestedNetwork & CA_ADAPTER_REMOTE_ACCESS)
300     {
301         res = CARemoveNetworkType(CA_ADAPTER_REMOTE_ACCESS);
302         OIC_LOG_V(ERROR, TAG, "CARemoveNetworkType(CA_ADAPTER_REMOTE_ACCESS) function returns error : %d",
303                                                 res);
304     }
305     #endif
306     else
307     {
308         res = CA_STATUS_FAILED;
309     }
310     return res;
311 }
312
313 CAResult_t CAHandleRequestResponse()
314 {
315     if (!g_isInitialized)
316     {
317         OIC_LOG(ERROR, TAG, "not initialized");
318         return CA_STATUS_NOT_INITIALIZED;
319     }
320
321     CAHandleRequestResponseCallbacks();
322
323     return CA_STATUS_OK;
324 }
325
326 #ifdef __WITH_DTLS__
327
328 CAResult_t CASelectCipherSuite(const uint16_t cipher)
329 {
330     OIC_LOG_V(DEBUG, TAG, "CASelectCipherSuite");
331
332     return CADtlsSelectCipherSuite(cipher);
333 }
334
335 CAResult_t CAEnableAnonECDHCipherSuite(const bool enable)
336 {
337     OIC_LOG_V(DEBUG, TAG, "CAEnableAnonECDHCipherSuite");
338
339     return CADtlsEnableAnonECDHCipherSuite(enable);
340 }
341
342 CAResult_t CAGenerateOwnerPSK(const CAEndpoint_t* endpoint,
343                     const uint8_t* label, const size_t labelLen,
344                     const uint8_t* rsrcServerDeviceID, const size_t rsrcServerDeviceIDLen,
345                     const uint8_t* provServerDeviceID, const size_t provServerDeviceIDLen,
346                     uint8_t* ownerPSK, const size_t ownerPSKSize)
347 {
348     OIC_LOG_V(DEBUG, TAG, "IN : CAGenerateOwnerPSK");
349
350     CAResult_t res = CA_STATUS_OK;
351
352     //newOwnerLabel and prevOwnerLabe can be NULL
353     if (!endpoint || !label || 0 == labelLen || !ownerPSK || 0 == ownerPSKSize)
354     {
355         return CA_STATUS_INVALID_PARAM;
356     }
357
358     res = CADtlsGenerateOwnerPSK(endpoint, label, labelLen,
359                                   rsrcServerDeviceID, rsrcServerDeviceIDLen,
360                                   provServerDeviceID, provServerDeviceIDLen,
361                                   ownerPSK, ownerPSKSize);
362     if (CA_STATUS_OK != res)
363     {
364         OIC_LOG_V(ERROR, TAG, "Failed to CAGenerateOwnerPSK : %d", res);
365     }
366
367     OIC_LOG_V(DEBUG, TAG, "OUT : CAGenerateOwnerPSK");
368
369     return res;
370 }
371
372 CAResult_t CAInitiateHandshake(const CAEndpoint_t *endpoint)
373 {
374     OIC_LOG_V(DEBUG, TAG, "IN : CAInitiateHandshake");
375     CAResult_t res = CA_STATUS_OK;
376
377     if (!endpoint)
378     {
379         return CA_STATUS_INVALID_PARAM;
380     }
381
382     res = CADtlsInitiateHandshake(endpoint);
383     if (CA_STATUS_OK != res)
384     {
385         OIC_LOG_V(ERROR, TAG, "Failed to CADtlsInitiateHandshake : %d", res);
386     }
387
388     OIC_LOG_V(DEBUG, TAG, "OUT : CAInitiateHandshake");
389
390     return res;
391 }
392
393 CAResult_t CACloseDtlsSession(const CAEndpoint_t *endpoint)
394 {
395     OIC_LOG_V(DEBUG, TAG, "IN : CACloseDtlsSession");
396     CAResult_t res = CA_STATUS_OK;
397
398     if (!endpoint)
399     {
400         return CA_STATUS_INVALID_PARAM;
401     }
402
403     res = CADtlsClose(endpoint);
404     if (CA_STATUS_OK != res)
405     {
406         OIC_LOG_V(ERROR, TAG, "Failed to CADtlsClose : %d", res);
407     }
408
409     OIC_LOG_V(DEBUG, TAG, "OUT : CACloseDtlsSession");
410
411     return res;
412 }
413
414 #endif /* __WITH_DTLS__ */