|
1 /* |
|
2 * Copyright (c) 2006 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: Implementation of WLAN SSID discovery class |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 // EXTERNAL INCLUDES |
|
21 #include <wlanmgmtclient.h> |
|
22 #include <wlanmgmtcommon.h> |
|
23 |
|
24 // CLASS HEADER |
|
25 #include "wsfwlanssiddiscovery.h" |
|
26 |
|
27 // INTERNAL INCLUDES |
|
28 #include "wsflogger.h" |
|
29 |
|
30 |
|
31 using namespace CMManager; |
|
32 |
|
33 |
|
34 /** |
|
35 * Management frame information element IDs. |
|
36 * needed to determine SSID |
|
37 * (from \S60\osext\wlan\wlanldd\wlan_common\umac_common\inc\802dot11.h) |
|
38 */ |
|
39 enum TWsf802Dot11InformationElementID |
|
40 { |
|
41 E802Dot11SsidIE = 0, |
|
42 E802Dot11SupportedRatesIE = 1, |
|
43 E802Dot11FhParameterSetIE = 2, |
|
44 E802Dot11DsParameterSetIE = 3, |
|
45 E802Dot11CfParameterSetIE = 4, |
|
46 E802Dot11TimIE = 5, |
|
47 E802Dot11IbssParameterSetIE = 6, |
|
48 E802Dot11CountryIE = 7, |
|
49 E802Dot11HoppingPatternParamIE = 8, |
|
50 E802Dot11HoppingPatternTableIE = 9, |
|
51 E802Dot11RequestIE = 10, |
|
52 |
|
53 E802Dot11ChallengeTextIE = 16, |
|
54 // Reserved for challenge text extension 17 - 31 |
|
55 E802Dot11ErpInformationIE = 42, |
|
56 E802Dot11ExtendedRatesIE = 50, |
|
57 E802Dot11AironetIE = 133, |
|
58 E802Dot11ApIpAddressIE = 149, |
|
59 E802Dot11RsnIE = 221 |
|
60 }; |
|
61 |
|
62 |
|
63 /** |
|
64 * Bit masks for Capability Information field. |
|
65 * (from \S60\osext\wlan\wlanldd\wlan_common\umac_common\inc\802dot11.h) |
|
66 */ |
|
67 enum TWsf802Dot11CapabilityBitMask |
|
68 { |
|
69 E802Dot11CapabilityEssMask = 0x0001, |
|
70 E802Dot11CapabilityIbssMask = 0x0002, |
|
71 E802Dot11CapabilityCfPollableMask = 0x0004, |
|
72 E802Dot11CapabilityCfPollRequestMask= 0x0008, |
|
73 E802Dot11CapabilityPrivacyMask = 0x0010, |
|
74 E802Dot11ShortPreambleMask = 0x0020, |
|
75 E802Dot11PbccMask = 0x0040, |
|
76 E802Dot11ChannelAgilityMask = 0x0080 |
|
77 }; |
|
78 |
|
79 |
|
80 // ======================= MEMBER FUNCTIONS ================================= |
|
81 |
|
82 // ---------------------------------------------------------------------------- |
|
83 // CWsfWlanSsidDiscovery::NewL |
|
84 // ---------------------------------------------------------------------------- |
|
85 // |
|
86 CWsfWlanSsidDiscovery* CWsfWlanSsidDiscovery::NewL() |
|
87 { |
|
88 CWsfWlanSsidDiscovery* self = new (ELeave) CWsfWlanSsidDiscovery(); |
|
89 CleanupStack::PushL( self ); |
|
90 self->ConstructL(); |
|
91 CleanupStack::Pop( self ); |
|
92 return self; |
|
93 } |
|
94 |
|
95 |
|
96 // ---------------------------------------------------------------------------- |
|
97 // CWsfWlanSsidDiscovery::CWsfWlanSsidDiscovery |
|
98 // ---------------------------------------------------------------------------- |
|
99 // |
|
100 CWsfWlanSsidDiscovery::CWsfWlanSsidDiscovery(): CActive( EPriorityStandard ) |
|
101 { |
|
102 CActiveScheduler::Add( this ); |
|
103 } |
|
104 |
|
105 |
|
106 // ---------------------------------------------------------------------------- |
|
107 // CWsfWlanSsidDiscovery::ConstructL |
|
108 // ---------------------------------------------------------------------------- |
|
109 // |
|
110 void CWsfWlanSsidDiscovery::ConstructL() |
|
111 { |
|
112 LOG_ENTERFN( "CWsfWlanSsidDiscovery::ConstructL" ); |
|
113 #ifndef __WINS__ |
|
114 iWlanMgmt = CWlanMgmtClient::NewL(); |
|
115 iScanInfo = CWlanScanInfo::NewL(); |
|
116 #endif |
|
117 } |
|
118 |
|
119 |
|
120 // ---------------------------------------------------------------------------- |
|
121 // CWsfWlanSsidDiscovery::~CWsfWlanSsidDiscovery() |
|
122 // ---------------------------------------------------------------------------- |
|
123 // |
|
124 CWsfWlanSsidDiscovery::~CWsfWlanSsidDiscovery() |
|
125 { |
|
126 LOG_ENTERFN( "CWsfWlanSsidDiscovery::~CWsfWlanSsidDiscovery" ); |
|
127 Cancel(); |
|
128 delete iWlanMgmt; |
|
129 delete iScanInfo; |
|
130 } |
|
131 |
|
132 |
|
133 // ---------------------------------------------------------------------------- |
|
134 // CWsfWlanSsidDiscovery::DoCancel |
|
135 // ---------------------------------------------------------------------------- |
|
136 // |
|
137 void CWsfWlanSsidDiscovery::DoCancel() |
|
138 { |
|
139 LOG_ENTERFN( "CWsfWlanSsidDiscovery::DoCancel" ); |
|
140 #ifndef __WINS__ |
|
141 iWlanMgmt->CancelGetScanResults(); |
|
142 #endif |
|
143 } |
|
144 |
|
145 |
|
146 // ---------------------------------------------------------------------------- |
|
147 // CWsfWlanSsidDiscovery::AbortScanning |
|
148 // ---------------------------------------------------------------------------- |
|
149 // |
|
150 void CWsfWlanSsidDiscovery::AbortScanning() |
|
151 { |
|
152 LOG_ENTERFN( "CWsfWlanSsidDiscovery::AbortScanning" ); |
|
153 if ( iWait.IsStarted() ) |
|
154 { |
|
155 LOG_WRITE( "aborting..." ); |
|
156 Cancel(); |
|
157 |
|
158 iProgState = EAborted; |
|
159 iWait.AsyncStop(); |
|
160 } |
|
161 } |
|
162 |
|
163 |
|
164 // ---------------------------------------------------------------------------- |
|
165 // CWsfWlanSsidDiscovery::RunL |
|
166 // ---------------------------------------------------------------------------- |
|
167 // |
|
168 void CWsfWlanSsidDiscovery::RunL() |
|
169 { |
|
170 LOG_ENTERFN( "CWsfWlanSsidDiscovery::RunL" ); |
|
171 |
|
172 if ( iProgState == EScanning ) |
|
173 { |
|
174 if ( !iStatus.Int() ) |
|
175 // The list is ready |
|
176 { |
|
177 LOG_WRITE( "No error" ); |
|
178 iProgState = EDone; |
|
179 } |
|
180 else |
|
181 // something went wrong -> no coverage. |
|
182 { |
|
183 LOG_WRITE( "error" ); |
|
184 } |
|
185 } |
|
186 |
|
187 // stop blocking |
|
188 if ( iWait.IsStarted() ) |
|
189 { |
|
190 iWait.AsyncStop(); |
|
191 } |
|
192 |
|
193 } |
|
194 |
|
195 |
|
196 // ---------------------------------------------------------------------------- |
|
197 // CWsfWlanSsidDiscovery::ScanForSsidL |
|
198 // ---------------------------------------------------------------------------- |
|
199 // |
|
200 TBool CWsfWlanSsidDiscovery::ScanForSsidL( TWlanSsid& aEnteredSsid, |
|
201 TBool aBroadcast, |
|
202 CMManager::TWlanNetMode& aNetworkMode, |
|
203 CMManager::TWlanSecMode& aSecurityMode, |
|
204 TBool& aUsesPsk ) |
|
205 { |
|
206 LOG_ENTERFN( "CWsfWlanSsidDiscovery::ScanForSsidL" ); |
|
207 |
|
208 if ( IsActive() ) |
|
209 { |
|
210 return EFalse; |
|
211 } |
|
212 |
|
213 TBool found = EFalse; |
|
214 #ifndef __WINS__ |
|
215 iProgState = EScanning; |
|
216 |
|
217 if ( aBroadcast ) |
|
218 { |
|
219 LOG_WRITE( "performing broadcast scan" ); |
|
220 iWlanMgmt->GetScanResults( iStatus, *iScanInfo ); |
|
221 } |
|
222 else |
|
223 { |
|
224 LOG_WRITE( "performing direct scan" ); |
|
225 iWlanMgmt->GetScanResults( aEnteredSsid, iStatus, *iScanInfo ); |
|
226 } |
|
227 |
|
228 SetActive(); |
|
229 iWait.Start(); |
|
230 |
|
231 // now we have the results and might start to work on them... |
|
232 if ( iProgState == EDone ) |
|
233 { |
|
234 LOG_WRITE( "iProgState = EDone" ); |
|
235 //finished without error, work on the result... |
|
236 for ( iScanInfo->First(); !found && !iScanInfo->IsDone(); |
|
237 iScanInfo->Next() ) |
|
238 { |
|
239 TUint8 ieLen( 0 ); |
|
240 const TUint8* ieData; |
|
241 |
|
242 TInt ret = iScanInfo->InformationElement( E802Dot11SsidIE, ieLen, |
|
243 &ieData ); |
|
244 User::LeaveIfError( ret ); |
|
245 |
|
246 // get the ssid |
|
247 TWlanSsid ssid; |
|
248 ssid.Copy( ieData, ieLen ); |
|
249 |
|
250 if ( !aEnteredSsid.Compare( ssid ) ) |
|
251 { |
|
252 // SSID matched |
|
253 LOG_WRITE( "SSID matched, processing security settings" ); |
|
254 found = ETrue; |
|
255 |
|
256 // adhoc or infrastructure |
|
257 aNetworkMode = ( iScanInfo->Capability() & |
|
258 E802Dot11CapabilityEssMask ) ? |
|
259 EInfra : EAdhoc; |
|
260 |
|
261 // security mode |
|
262 TWlanConnectionSecurityMode connSec = |
|
263 iScanInfo->SecurityMode(); |
|
264 |
|
265 // convert TWlanConnectionSecurityMode to |
|
266 // CMManager::TWlanSecMode |
|
267 switch ( connSec ) |
|
268 { |
|
269 case EWlanConnectionSecurityOpen: |
|
270 { |
|
271 aSecurityMode = EWlanSecModeOpen; |
|
272 break; |
|
273 } |
|
274 case EWlanConnectionSecurityWep: |
|
275 { |
|
276 aSecurityMode = EWlanSecModeWep; |
|
277 break; |
|
278 } |
|
279 case EWlanConnectionSecurity802d1x: |
|
280 { |
|
281 aSecurityMode = EWlanSecMode802_1x; |
|
282 break; |
|
283 } |
|
284 case EWlanConnectionSecurityWpa: |
|
285 case EWlanConnectionSecurityWpaPsk: |
|
286 { |
|
287 aSecurityMode = EWlanSecModeWpa; |
|
288 break; |
|
289 } |
|
290 default: |
|
291 { |
|
292 } |
|
293 } |
|
294 |
|
295 aUsesPsk = ( connSec == EWlanConnectionSecurityWpaPsk ); |
|
296 |
|
297 } // if aEnteredSsid |
|
298 |
|
299 } // for |
|
300 |
|
301 } |
|
302 else if ( iProgState == EAborted ) |
|
303 { |
|
304 LOG_WRITE( "iProgState = EAborted" ); |
|
305 User::Leave( KErrCancel ); |
|
306 } |
|
307 else |
|
308 { |
|
309 LOG_WRITEF( "iProgState = ???, iStatus = %d", iStatus.Int() ); |
|
310 User::LeaveIfError( iStatus.Int() ); |
|
311 } |
|
312 |
|
313 #else // __WINS__ |
|
314 |
|
315 // we don't like warnings |
|
316 aEnteredSsid, aBroadcast, aNetworkMode, aSecurityMode, aUsesPsk; |
|
317 |
|
318 #endif // __WINS__ |
|
319 |
|
320 return found; |
|
321 } |
|
322 |
|
323 |