31
|
1 |
/*
|
|
2 |
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
|
3 |
* All rights reserved.
|
|
4 |
* This component and the accompanying materials are made available
|
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
6 |
* which accompanies this distribution, and is available
|
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
8 |
*
|
|
9 |
* Initial Contributors:
|
|
10 |
* Nokia Corporation - initial contribution.
|
|
11 |
*
|
|
12 |
* Contributors:
|
|
13 |
*
|
|
14 |
* Description:
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
#include "btnotifincomingpairinghandler.h"
|
42
|
19 |
#include "btnotifsecuritymanager.h"
|
31
|
20 |
#include "btnotifoutgoingpairinghandler.h"
|
|
21 |
#include <btengconstants.h>
|
42
|
22 |
#include "bluetoothtrace.h"
|
31
|
23 |
|
|
24 |
const TInt KBTNotifWaitingForPairingOkDelay = 500000; // 0.5s
|
57
|
25 |
const TInt KBTNotif10SecondTimer = 10000000;
|
31
|
26 |
|
|
27 |
enum TPairingStageId
|
|
28 |
{
|
|
29 |
/**
|
|
30 |
* is monitoring physical link status
|
|
31 |
*/
|
|
32 |
EPhysicalLinkNotify = 100,
|
|
33 |
EWaitingForPairingOk,
|
|
34 |
};
|
|
35 |
|
|
36 |
// ======== MEMBER FUNCTIONS ========
|
|
37 |
|
|
38 |
// ---------------------------------------------------------------------------
|
|
39 |
// C++ default constructor
|
|
40 |
// ---------------------------------------------------------------------------
|
|
41 |
//
|
42
|
42 |
CBTNotifIncomingPairingHandler::CBTNotifIncomingPairingHandler( CBTNotifSecurityManager& aParent,
|
31
|
43 |
const TBTDevAddr& aAddr) : CBTNotifBasePairingHandler( aParent, aAddr )
|
|
44 |
{
|
|
45 |
}
|
|
46 |
|
|
47 |
// ---------------------------------------------------------------------------
|
|
48 |
// 2nd phase constructor
|
|
49 |
// ---------------------------------------------------------------------------
|
|
50 |
//
|
|
51 |
void CBTNotifIncomingPairingHandler::ConstructL()
|
|
52 |
{
|
42
|
53 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
54 |
BaseConstructL();
|
|
55 |
iActivePairingOk = CBtSimpleActive::NewL(*this, EWaitingForPairingOk );
|
|
56 |
User::LeaveIfError( iPairingOkTimer.CreateLocal() );
|
42
|
57 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
58 |
}
|
|
59 |
|
|
60 |
// ---------------------------------------------------------------------------
|
|
61 |
// NewL
|
|
62 |
// ---------------------------------------------------------------------------
|
|
63 |
//
|
42
|
64 |
CBTNotifBasePairingHandler* CBTNotifIncomingPairingHandler::NewL( CBTNotifSecurityManager& aParent,
|
31
|
65 |
const TBTDevAddr& aAddr)
|
|
66 |
{
|
42
|
67 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
68 |
CBTNotifIncomingPairingHandler* self = new (ELeave) CBTNotifIncomingPairingHandler(aParent, aAddr);
|
|
69 |
CleanupStack::PushL( self );
|
|
70 |
self->ConstructL();
|
|
71 |
CleanupStack::Pop( self );
|
42
|
72 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
73 |
return self;
|
|
74 |
}
|
|
75 |
|
|
76 |
// ---------------------------------------------------------------------------
|
|
77 |
// Destructor
|
|
78 |
// ---------------------------------------------------------------------------
|
|
79 |
//
|
|
80 |
CBTNotifIncomingPairingHandler::~CBTNotifIncomingPairingHandler()
|
|
81 |
{
|
42
|
82 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
83 |
// Cancel all outstanding requests
|
|
84 |
CancelPlaNotification();
|
|
85 |
iPla.Close();
|
|
86 |
delete iActivePairingOk;
|
|
87 |
iPairingOkTimer.Close();
|
42
|
88 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
89 |
}
|
|
90 |
|
|
91 |
// ---------------------------------------------------------------------------
|
|
92 |
// Accept this message only if the specified device is the same as this is
|
|
93 |
// dealing with.
|
|
94 |
// ---------------------------------------------------------------------------
|
|
95 |
//
|
|
96 |
TInt CBTNotifIncomingPairingHandler::ObserveIncomingPair( const TBTDevAddr& aAddr )
|
|
97 |
{
|
42
|
98 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
99 |
TInt err( KErrServerBusy );
|
|
100 |
if ( iAddr == aAddr )
|
|
101 |
{
|
|
102 |
err = KErrNone;
|
42
|
103 |
// This function is called by a notifier, which means the UI has been involved
|
31
|
104 |
// Therefore we can display it in the paired devices list
|
42
|
105 |
iUserAwarePairing = ETrue;
|
|
106 |
if ( !iActive->IsActive() && !OpenPhysicalLinkAdaptor() )
|
31
|
107 |
{
|
|
108 |
// If we are observing physical link, or showing user a note,
|
|
109 |
// we won't interrupt it.
|
|
110 |
UnSetPairResult();
|
|
111 |
MonitorPhysicalLink();
|
|
112 |
}
|
|
113 |
}
|
42
|
114 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
115 |
return err;
|
|
116 |
}
|
|
117 |
|
|
118 |
// ---------------------------------------------------------------------------
|
|
119 |
// Assign the responsibility of outgoing pair handling to CBTEngOtgPair
|
|
120 |
// ---------------------------------------------------------------------------
|
|
121 |
//
|
|
122 |
void CBTNotifIncomingPairingHandler::HandleOutgoingPairL( const TBTDevAddr& aAddr, TUint aCod )
|
|
123 |
{
|
42
|
124 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
125 |
// Outgoing pairing always takes highest priority:
|
|
126 |
CBTNotifBasePairingHandler* pairinghandler = CBTNotifOutgoingPairingHandler::NewL( iParent, aAddr );
|
|
127 |
pairinghandler->HandleOutgoingPairL( aAddr, aCod );
|
|
128 |
iParent.RenewPairingHandler( pairinghandler );
|
42
|
129 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
130 |
}
|
|
131 |
|
|
132 |
// ---------------------------------------------------------------------------
|
|
133 |
// Accept this message only if the specified device is the same as this is
|
|
134 |
// dealing with.
|
|
135 |
// ---------------------------------------------------------------------------
|
|
136 |
//
|
|
137 |
void CBTNotifIncomingPairingHandler::StopPairHandling( const TBTDevAddr& aAddr )
|
|
138 |
{
|
42
|
139 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
140 |
if ( aAddr == iAddr )
|
|
141 |
{
|
|
142 |
iParent.RenewPairingHandler( NULL );
|
|
143 |
}
|
42
|
144 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
145 |
}
|
|
146 |
|
|
147 |
// ---------------------------------------------------------------------------
|
|
148 |
// Notify user if pairing failed.
|
|
149 |
// ---------------------------------------------------------------------------
|
|
150 |
//
|
|
151 |
void CBTNotifIncomingPairingHandler::DoHandlePairServerResult( TInt aResult )
|
|
152 |
{
|
42
|
153 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
154 |
CancelPlaNotification();
|
|
155 |
// For a successful pairing, we need wait for registry table change.
|
|
156 |
if( aResult != KErrNone && aResult != KHCIErrorBase )
|
|
157 |
{
|
|
158 |
// Pair failure situation.
|
|
159 |
SetPairResult( aResult );
|
57
|
160 |
TRAPD(err , ShowPairingResultNoteL(KErrGeneral));
|
|
161 |
if(!err && iNotification)
|
|
162 |
{
|
|
163 |
iNotification->SetCloseTimer(KBTNotif10SecondTimer);
|
|
164 |
}
|
31
|
165 |
}
|
42
|
166 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
167 |
}
|
|
168 |
|
|
169 |
// ---------------------------------------------------------------------------
|
|
170 |
// Kill this if the linkkey type indicates OBEX authentication.
|
|
171 |
// Otherwise notify user the pair result.
|
|
172 |
// ---------------------------------------------------------------------------
|
|
173 |
//
|
|
174 |
void CBTNotifIncomingPairingHandler::DoHandleRegistryNewPairedEvent( const TBTNamelessDevice& aDev )
|
|
175 |
{
|
42
|
176 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
177 |
|
|
178 |
// First of all cancel the iPairingOkTimer timer, if active
|
|
179 |
if (iActivePairingOk->IsActive())
|
|
180 |
{
|
|
181 |
iActivePairingOk->Cancel();
|
|
182 |
UnSetPairResult(); // we might have set it before (if the link went down) so we want to reset it.
|
|
183 |
}
|
57
|
184 |
// If the user checked the trusted checkbox then we trust the device
|
|
185 |
if(iTrustDevice)
|
|
186 |
{
|
|
187 |
iParent.TrustDevice(iAddr);
|
|
188 |
}
|
31
|
189 |
if (aDev.LinkKeyType() == ELinkKeyUnauthenticatedNonUpgradable && !iUserAwarePairing)
|
|
190 |
{
|
|
191 |
// If an application uses btengconnman API to connect a service of
|
|
192 |
// this device and JW pairing occurred as part of security enforcement,
|
|
193 |
// it shall be a user aware pairing, and we shall add this device in paired
|
|
194 |
// view. In this way, user is able to disconnect the device from our UI.
|
|
195 |
// Otherwise the link key has been created by a device without IO requesting
|
|
196 |
// a service connection with phone. We won't take any action (e.g. remove
|
|
197 |
// link key) in this case. As the result, this device can't be seen in our UI,
|
|
198 |
// however other applications are still freely to use its services.
|
42
|
199 |
BOstrace0(TRACE_DEBUG,DUMMY_DEVLIST,"[BTNotif]: JW pairing with no IO device");
|
31
|
200 |
TBTEngConnectionStatus status = iParent.ConnectStatus( aDev.Address() );
|
|
201 |
if ( status == EBTEngConnecting || status == EBTEngConnected )
|
|
202 |
{
|
|
203 |
// the return error is ingore as we can not have other proper
|
|
204 |
// exception handling option:
|
|
205 |
(void) iParent.AddUiCookieJustWorksPaired( aDev );
|
|
206 |
}
|
42
|
207 |
TRAP_IGNORE(ShowPairingResultNoteL(KErrNone));
|
31
|
208 |
iParent.RenewPairingHandler( NULL );
|
|
209 |
}
|
|
210 |
else if (aDev.LinkKeyType() == ELinkKeyUnauthenticatedUpgradable && !iUserAwarePairing)
|
|
211 |
{
|
|
212 |
// The linkkey has been created by an incoming OBEX service request
|
|
213 |
// which resulted a pairing event received from pair server.
|
42
|
214 |
BOstrace0(TRACE_DEBUG,DUMMY_DEVLIST,"[BTNotif]: JW pairing with IO device");
|
|
215 |
iParent.RenewPairingHandler( NULL );
|
31
|
216 |
}
|
|
217 |
else
|
|
218 |
{
|
|
219 |
if (aDev.LinkKeyType() == ELinkKeyUnauthenticatedNonUpgradable || aDev.LinkKeyType() == ELinkKeyUnauthenticatedUpgradable)
|
|
220 |
{
|
|
221 |
// The user was involved in the pairing, so display in the paired devices list
|
|
222 |
(void) iParent.AddUiCookieJustWorksPaired(aDev);
|
|
223 |
}
|
42
|
224 |
BOstrace0(TRACE_DEBUG,DUMMY_DEVLIST,"[BTNotif]: Non-JW pairing");
|
31
|
225 |
// Other pairing model than Just Works:
|
|
226 |
CancelPlaNotification();
|
|
227 |
SetPairResult( KErrNone );
|
42
|
228 |
TRAP_IGNORE(ShowPairingResultNoteL(KErrNone));
|
31
|
229 |
iParent.RenewPairingHandler( NULL );
|
|
230 |
}
|
42
|
231 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
232 |
}
|
|
233 |
|
|
234 |
// ---------------------------------------------------------------------------
|
|
235 |
// From class MBTNotifPairingAOObserver.
|
|
236 |
// ---------------------------------------------------------------------------
|
|
237 |
//
|
|
238 |
void CBTNotifIncomingPairingHandler::RequestCompletedL( CBtSimpleActive* aActive, TInt aStatus )
|
|
239 |
{
|
42
|
240 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
|
241 |
// Check which request completed.
|
31
|
242 |
switch( aActive->RequestId() )
|
|
243 |
{
|
|
244 |
case EPhysicalLinkNotify:
|
|
245 |
{
|
42
|
246 |
// Check if the link has disconnected.
|
31
|
247 |
HandlePhysicalLinkResultL( aStatus );
|
|
248 |
break;
|
|
249 |
}
|
|
250 |
case EWaitingForPairingOk:
|
|
251 |
{
|
|
252 |
// pairing failed, inform user:
|
|
253 |
if (iPairResult == KErrNone)
|
|
254 |
{
|
|
255 |
// iPairResult must have been set as an error. if it's not it means somewhere else
|
|
256 |
// it has been reset. But we need to have it set to an error as we are notifying
|
|
257 |
// the "unable to pair" message.
|
|
258 |
SetPairResult(KErrGeneral);
|
57
|
259 |
TRAPD(err , ShowPairingResultNoteL(KErrGeneral));
|
|
260 |
if(!err && iNotification)
|
|
261 |
{
|
|
262 |
iNotification->SetCloseTimer(KBTNotif10SecondTimer);
|
|
263 |
}
|
31
|
264 |
}
|
|
265 |
iParent.RenewPairingHandler( NULL );
|
|
266 |
break;
|
|
267 |
}
|
|
268 |
default:
|
42
|
269 |
// Should not be possible, but no need for handling.
|
31
|
270 |
break;
|
|
271 |
}
|
42
|
272 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
273 |
}
|
|
274 |
|
|
275 |
|
|
276 |
// ---------------------------------------------------------------------------
|
42
|
277 |
// From class MBTNotifPairingAOObserver.
|
31
|
278 |
// cancels an outstanding request according to the given id.
|
|
279 |
// ---------------------------------------------------------------------------
|
|
280 |
//
|
|
281 |
void CBTNotifIncomingPairingHandler::CancelRequest( TInt aRequestId )
|
|
282 |
{
|
42
|
283 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
284 |
switch ( aRequestId )
|
|
285 |
{
|
|
286 |
case EPhysicalLinkNotify:
|
|
287 |
{
|
|
288 |
iPla.CancelNextBasebandChangeEventNotifier();
|
42
|
289 |
break;
|
31
|
290 |
}
|
|
291 |
case EWaitingForPairingOk:
|
|
292 |
{
|
|
293 |
iPairingOkTimer.Cancel();
|
42
|
294 |
break;
|
31
|
295 |
}
|
|
296 |
}
|
42
|
297 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
298 |
}
|
|
299 |
|
|
300 |
// ---------------------------------------------------------------------------
|
|
301 |
// From class MBTNotifPairingAOObserver.
|
|
302 |
// Handles a leave in RequestCompleted by simply self-destructing.
|
|
303 |
// ---------------------------------------------------------------------------
|
|
304 |
//
|
|
305 |
void CBTNotifIncomingPairingHandler::HandleError( CBtSimpleActive* aActive, TInt aError )
|
|
306 |
{
|
42
|
307 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
308 |
(void) aActive;
|
|
309 |
(void) aError;
|
42
|
310 |
// Our error handling is to just stop observing.
|
|
311 |
// Nothing critical to be preserved here, the user
|
|
312 |
// just won't get any notification of pairing result.
|
31
|
313 |
iParent.RenewPairingHandler( NULL );
|
42
|
314 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
315 |
}
|
|
316 |
|
|
317 |
// ---------------------------------------------------------------------------
|
|
318 |
// Subscribe to physical link notifications.
|
|
319 |
// physical link must exist when calling this function.
|
|
320 |
// ---------------------------------------------------------------------------
|
|
321 |
//
|
|
322 |
void CBTNotifIncomingPairingHandler::MonitorPhysicalLink()
|
|
323 |
{
|
42
|
324 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
325 |
iActive->SetRequestId( EPhysicalLinkNotify );
|
42
|
326 |
// Subscribe to disconnect and error events.
|
31
|
327 |
iPla.NotifyNextBasebandChangeEvent( iBbEvent,
|
|
328 |
iActive->RequestStatus(),
|
|
329 |
ENotifyPhysicalLinkDown | ENotifyPhysicalLinkError );
|
|
330 |
iActive->GoActive();
|
42
|
331 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
332 |
}
|
|
333 |
|
|
334 |
// ---------------------------------------------------------------------------
|
|
335 |
// Opens the adaptor if physical link exists.
|
|
336 |
// ---------------------------------------------------------------------------
|
|
337 |
//
|
|
338 |
TInt CBTNotifIncomingPairingHandler::OpenPhysicalLinkAdaptor()
|
|
339 |
{
|
42
|
340 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
341 |
TInt err ( KErrNone );
|
|
342 |
if( !iPla.IsOpen() )
|
|
343 |
{
|
42
|
344 |
// Try to open the adapter in case it failed earlier.
|
|
345 |
// This can happen for outgoing dedicated bonding with
|
|
346 |
// non-SSP device, as the PIN dialog can be kept open even
|
|
347 |
// though the link has dropped because of a time-out.
|
31
|
348 |
err = iPla.Open( iParent.SocketServ(), iAddr );
|
|
349 |
}
|
42
|
350 |
BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST,"[BTNotif]:HasPhysicalLink ? %d", iPla.IsOpen() );
|
|
351 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
352 |
return err;
|
|
353 |
}
|
|
354 |
|
|
355 |
// ---------------------------------------------------------------------------
|
|
356 |
// Cancel outstanding physical link notification
|
|
357 |
// ---------------------------------------------------------------------------
|
|
358 |
//
|
|
359 |
void CBTNotifIncomingPairingHandler::CancelPlaNotification()
|
|
360 |
{
|
42
|
361 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
31
|
362 |
if( iActive && iActive->RequestId() == EPhysicalLinkNotify )
|
|
363 |
{
|
|
364 |
// cancel Baseband monitor
|
|
365 |
iActive->Cancel();
|
|
366 |
}
|
42
|
367 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
368 |
}
|
|
369 |
|
|
370 |
// ---------------------------------------------------------------------------
|
|
371 |
// Handle a physical link event. Notify pair failed if physical link is down.
|
|
372 |
// ---------------------------------------------------------------------------
|
|
373 |
//
|
|
374 |
void CBTNotifIncomingPairingHandler::HandlePhysicalLinkResultL( TInt aResult )
|
|
375 |
{
|
42
|
376 |
BOstraceFunctionEntry0( DUMMY_DEVLIST );
|
|
377 |
// Check if the connection is still alive.
|
31
|
378 |
TBool physicalLinkDown =
|
|
379 |
( iBbEvent().EventType() == ENotifyPhysicalLinkDown | ENotifyPhysicalLinkError );
|
|
380 |
|
|
381 |
if( aResult || physicalLinkDown )
|
|
382 |
{
|
|
383 |
// link went down. It might be because of pairing failed or the remote device disconnected the
|
|
384 |
// physical link after a successful pairing.
|
|
385 |
// we wait for 0.5 secs before notifying the "unable to pair" message as, if the pair is
|
|
386 |
// successful, we manage it to show the right confirmation message.
|
|
387 |
SetPairResult( (aResult == 0) ? KErrGeneral : aResult );
|
|
388 |
iPairingOkTimer.After(iActivePairingOk->iStatus, KBTNotifWaitingForPairingOkDelay);
|
|
389 |
iActivePairingOk->GoActive();
|
|
390 |
}
|
|
391 |
else
|
|
392 |
{
|
|
393 |
// Uninteresting event, re-subscribe.
|
|
394 |
MonitorPhysicalLink();
|
|
395 |
}
|
42
|
396 |
BOstraceFunctionExit0( DUMMY_DEVLIST );
|
31
|
397 |
}
|
|
398 |
|
|
399 |
|
|
400 |
|