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90b24889 WF |
1 | /** @file\r |
2 | The Mac Connection2 Protocol adapter functions for WiFi Connection Manager.\r | |
3 | \r | |
4 | Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r | |
5 | \r | |
ecf98fbc | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
90b24889 WF |
7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "WifiConnectionMgrDxe.h"\r | |
11 | \r | |
12 | EFI_EAP_TYPE mEapAuthMethod[] = {\r | |
13 | EFI_EAP_TYPE_TTLS,\r | |
14 | EFI_EAP_TYPE_PEAP,\r | |
15 | EFI_EAP_TYPE_EAPTLS\r | |
16 | };\r | |
17 | \r | |
18 | EFI_EAP_TYPE mEapSecondAuthMethod[] = {\r | |
19 | EFI_EAP_TYPE_MSCHAPV2\r | |
20 | };\r | |
21 | \r | |
22 | /**\r | |
23 | The callback function for scan operation. This function updates networks\r | |
24 | according to the latest scan result, and trigger UI refresh.\r | |
25 | \r | |
26 | ASSERT when errors occur in config token.\r | |
27 | \r | |
28 | @param[in] Event The GetNetworks token receive event.\r | |
29 | @param[in] Context The context of the GetNetworks token.\r | |
30 | \r | |
31 | **/\r | |
32 | VOID\r | |
33 | EFIAPI\r | |
34 | WifiMgrOnScanFinished (\r | |
35 | IN EFI_EVENT Event,\r | |
36 | IN VOID *Context\r | |
37 | )\r | |
38 | {\r | |
39 | EFI_STATUS Status;\r | |
40 | WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;\r | |
41 | WIFI_MGR_DEVICE_DATA *Nic;\r | |
42 | WIFI_MGR_NETWORK_PROFILE *Profile;\r | |
43 | EFI_80211_NETWORK *Network;\r | |
44 | UINTN DataSize;\r | |
45 | EFI_80211_NETWORK_DESCRIPTION *NetworkDescription;\r | |
46 | EFI_80211_GET_NETWORKS_RESULT *Result;\r | |
47 | LIST_ENTRY *Entry;\r | |
48 | UINT8 SecurityType;\r | |
49 | BOOLEAN AKMSuiteSupported;\r | |
50 | BOOLEAN CipherSuiteSupported;\r | |
51 | CHAR8 *AsciiSSId;\r | |
52 | UINTN Index;\r | |
53 | \r | |
54 | ASSERT (Context != NULL);\r | |
55 | \r | |
56 | ConfigToken = (WIFI_MGR_MAC_CONFIG_TOKEN *) Context;\r | |
57 | ASSERT (ConfigToken->Nic != NULL);\r | |
58 | ASSERT (ConfigToken->Type == TokenTypeGetNetworksToken);\r | |
59 | \r | |
60 | //\r | |
61 | // It is the GetNetworks token, set scan state to "ScanFinished"\r | |
62 | //\r | |
63 | ConfigToken->Nic->ScanState = WifiMgrScanFinished;\r | |
64 | \r | |
65 | ASSERT (ConfigToken->Token.GetNetworksToken != NULL);\r | |
66 | Result = ConfigToken->Token.GetNetworksToken->Result;\r | |
67 | Nic = ConfigToken->Nic;\r | |
68 | \r | |
69 | //\r | |
70 | // Clean previous result, and update network list according to the scan result\r | |
71 | //\r | |
72 | Nic->AvailableCount = 0;\r | |
73 | \r | |
74 | NET_LIST_FOR_EACH (Entry, &Nic->ProfileList) {\r | |
75 | Profile = NET_LIST_USER_STRUCT_S (Entry, WIFI_MGR_NETWORK_PROFILE,\r | |
76 | Link, WIFI_MGR_PROFILE_SIGNATURE);\r | |
77 | Profile->IsAvailable = FALSE;\r | |
78 | }\r | |
79 | \r | |
80 | if (Result == NULL) {\r | |
81 | gBS->SignalEvent (Nic->Private->NetworkListRefreshEvent);\r | |
82 | WifiMgrFreeToken(ConfigToken);\r | |
83 | return;\r | |
84 | }\r | |
85 | \r | |
86 | for (Index = 0; Index < Result->NumOfNetworkDesc; Index ++) {\r | |
87 | \r | |
88 | NetworkDescription = Result->NetworkDesc + Index;\r | |
89 | if (NetworkDescription == NULL) {\r | |
90 | continue;\r | |
91 | }\r | |
92 | \r | |
93 | Network = &NetworkDescription->Network;\r | |
94 | if (Network == NULL || Network->SSId.SSIdLen == 0) {\r | |
95 | continue;\r | |
96 | }\r | |
97 | \r | |
98 | Status = WifiMgrCheckRSN (\r | |
99 | Network->AKMSuite,\r | |
100 | Network->CipherSuite,\r | |
101 | Nic,\r | |
102 | &SecurityType,\r | |
103 | &AKMSuiteSupported,\r | |
104 | &CipherSuiteSupported\r | |
105 | );\r | |
106 | if (EFI_ERROR (Status)) {\r | |
107 | \r | |
108 | SecurityType = SECURITY_TYPE_UNKNOWN;\r | |
109 | AKMSuiteSupported = FALSE;\r | |
110 | CipherSuiteSupported = FALSE;\r | |
111 | }\r | |
112 | \r | |
113 | AsciiSSId = (CHAR8*) AllocateZeroPool(sizeof (CHAR8) * (Network->SSId.SSIdLen + 1));\r | |
114 | if (AsciiSSId == NULL) {\r | |
115 | continue;\r | |
116 | }\r | |
117 | CopyMem(AsciiSSId, (CHAR8 *) Network->SSId.SSId, sizeof (CHAR8) * Network->SSId.SSIdLen);\r | |
118 | *(AsciiSSId + Network->SSId.SSIdLen) = '\0';\r | |
119 | \r | |
120 | Profile = WifiMgrGetProfileByAsciiSSId (AsciiSSId, SecurityType, &Nic->ProfileList);\r | |
121 | if (Profile == NULL) {\r | |
122 | \r | |
123 | if (Nic->MaxProfileIndex >= NETWORK_LIST_COUNT_MAX) {\r | |
124 | FreePool (AsciiSSId);\r | |
125 | continue;\r | |
126 | }\r | |
127 | \r | |
128 | //\r | |
129 | // Create a new profile\r | |
130 | //\r | |
131 | Profile = AllocateZeroPool (sizeof (WIFI_MGR_NETWORK_PROFILE));\r | |
132 | if (Profile == NULL) {\r | |
133 | FreePool (AsciiSSId);\r | |
134 | continue;\r | |
135 | }\r | |
136 | Profile->Signature = WIFI_MGR_PROFILE_SIGNATURE;\r | |
137 | Profile->NicIndex = Nic->NicIndex;\r | |
138 | Profile->ProfileIndex = Nic->MaxProfileIndex + 1;\r | |
139 | AsciiStrToUnicodeStrS (AsciiSSId, Profile->SSId, SSID_STORAGE_SIZE);\r | |
140 | InsertTailList (&Nic->ProfileList, &Profile->Link);\r | |
141 | Nic->MaxProfileIndex ++;\r | |
142 | }\r | |
143 | FreePool (AsciiSSId);\r | |
144 | \r | |
145 | //\r | |
146 | //May receive duplicate networks in scan results, check if it has already\r | |
147 | //been processed.\r | |
148 | //\r | |
149 | if (!Profile->IsAvailable) {\r | |
150 | \r | |
151 | Profile->IsAvailable = TRUE;\r | |
152 | Profile->SecurityType = SecurityType;\r | |
153 | Profile->AKMSuiteSupported = AKMSuiteSupported;\r | |
154 | Profile->CipherSuiteSupported = CipherSuiteSupported;\r | |
155 | Profile->NetworkQuality = NetworkDescription->NetworkQuality;\r | |
156 | Nic->AvailableCount ++;\r | |
157 | \r | |
158 | //\r | |
159 | //Copy BSSType and SSId\r | |
160 | //\r | |
161 | CopyMem(&Profile->Network, Network, sizeof (EFI_80211_NETWORK));\r | |
162 | \r | |
163 | //\r | |
164 | //Copy AKMSuite list\r | |
165 | //\r | |
166 | if (Network->AKMSuite != NULL) {\r | |
167 | \r | |
168 | if (Network->AKMSuite->AKMSuiteCount == 0) {\r | |
169 | DataSize = sizeof (EFI_80211_AKM_SUITE_SELECTOR);\r | |
170 | } else {\r | |
171 | DataSize = sizeof (EFI_80211_AKM_SUITE_SELECTOR) + sizeof (EFI_80211_SUITE_SELECTOR)\r | |
172 | * (Network->AKMSuite->AKMSuiteCount - 1);\r | |
173 | }\r | |
174 | Profile->Network.AKMSuite = (EFI_80211_AKM_SUITE_SELECTOR *) AllocateZeroPool (DataSize);\r | |
175 | if (Profile->Network.AKMSuite == NULL) {\r | |
176 | continue;\r | |
177 | }\r | |
178 | CopyMem (Profile->Network.AKMSuite, Network->AKMSuite, DataSize);\r | |
179 | }\r | |
180 | \r | |
181 | //\r | |
182 | //Copy CipherSuite list\r | |
183 | //\r | |
184 | if (Network->CipherSuite != NULL) {\r | |
185 | \r | |
186 | if (Network->CipherSuite->CipherSuiteCount == 0) {\r | |
187 | DataSize = sizeof (EFI_80211_CIPHER_SUITE_SELECTOR);\r | |
188 | } else {\r | |
189 | DataSize = sizeof (EFI_80211_CIPHER_SUITE_SELECTOR) + sizeof (EFI_80211_SUITE_SELECTOR)\r | |
190 | * (Network->CipherSuite->CipherSuiteCount - 1);\r | |
191 | }\r | |
192 | Profile->Network.CipherSuite = (EFI_80211_CIPHER_SUITE_SELECTOR *) AllocateZeroPool (DataSize);\r | |
193 | if (Profile->Network.CipherSuite == NULL) {\r | |
194 | continue;\r | |
195 | }\r | |
196 | CopyMem (Profile->Network.CipherSuite, Network->CipherSuite, DataSize);\r | |
197 | }\r | |
198 | } else {\r | |
199 | //\r | |
200 | // A duplicate network, update signal quality\r | |
201 | //\r | |
202 | if (Profile->NetworkQuality < NetworkDescription->NetworkQuality) {\r | |
203 | Profile->NetworkQuality = NetworkDescription->NetworkQuality;\r | |
204 | }\r | |
205 | continue;\r | |
206 | }\r | |
207 | }\r | |
208 | \r | |
90b24889 WF |
209 | gBS->SignalEvent (Nic->Private->NetworkListRefreshEvent);\r |
210 | \r | |
211 | //\r | |
212 | // The current connected network should always be available until disconnection\r | |
213 | // happens in Wifi FW layer, even when it is not in this time's scan result.\r | |
214 | //\r | |
215 | if (Nic->ConnectState == WifiMgrConnectedToAp && Nic->CurrentOperateNetwork != NULL) {\r | |
216 | if (!Nic->CurrentOperateNetwork->IsAvailable) {\r | |
217 | Nic->CurrentOperateNetwork->IsAvailable = TRUE;\r | |
218 | Nic->AvailableCount ++;\r | |
219 | }\r | |
220 | }\r | |
221 | \r | |
222 | WifiMgrFreeToken(ConfigToken);\r | |
223 | }\r | |
224 | \r | |
225 | /**\r | |
226 | Start scan operation, and send out a token to collect available networks.\r | |
227 | \r | |
228 | @param[in] Nic Pointer to the device data of the selected NIC.\r | |
229 | \r | |
230 | @retval EFI_SUCCESS The operation is completed.\r | |
231 | @retval EFI_ALREADY_STARTED A former scan operation is already ongoing.\r | |
232 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
233 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
234 | @retval Other Errors Return errors when getting networks from low layer.\r | |
235 | \r | |
236 | **/\r | |
237 | EFI_STATUS\r | |
238 | WifiMgrStartScan (\r | |
239 | IN WIFI_MGR_DEVICE_DATA *Nic\r | |
240 | )\r | |
241 | {\r | |
242 | EFI_STATUS Status;\r | |
243 | EFI_TPL OldTpl;\r | |
244 | WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;\r | |
245 | EFI_80211_GET_NETWORKS_TOKEN *GetNetworksToken;\r | |
246 | UINT32 HiddenSSIdIndex;\r | |
247 | UINT32 HiddenSSIdCount;\r | |
248 | EFI_80211_SSID *HiddenSSIdList;\r | |
249 | WIFI_HIDDEN_NETWORK_DATA *HiddenNetwork;\r | |
250 | LIST_ENTRY *Entry;\r | |
251 | \r | |
252 | if (Nic == NULL || Nic->Wmp == NULL) {\r | |
253 | return EFI_INVALID_PARAMETER;\r | |
254 | }\r | |
255 | \r | |
256 | if (Nic->ScanState == WifiMgrScanning) {\r | |
257 | return EFI_ALREADY_STARTED;\r | |
258 | }\r | |
259 | \r | |
260 | Nic->ScanState = WifiMgrScanning;\r | |
261 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
262 | Status = EFI_SUCCESS;\r | |
263 | HiddenSSIdList = NULL;\r | |
264 | HiddenSSIdCount = Nic->Private->HiddenNetworkCount;\r | |
265 | HiddenSSIdIndex = 0;\r | |
266 | \r | |
267 | //\r | |
268 | //create a new get network token\r | |
269 | //\r | |
270 | ConfigToken = AllocateZeroPool (sizeof (WIFI_MGR_MAC_CONFIG_TOKEN));\r | |
271 | if (ConfigToken == NULL) {\r | |
272 | gBS->RestoreTPL (OldTpl);\r | |
273 | return EFI_OUT_OF_RESOURCES;\r | |
274 | }\r | |
275 | \r | |
276 | ConfigToken->Type = TokenTypeGetNetworksToken;\r | |
277 | ConfigToken->Nic = Nic;\r | |
278 | ConfigToken->Token.GetNetworksToken = AllocateZeroPool (sizeof (EFI_80211_GET_NETWORKS_TOKEN));\r | |
279 | if (ConfigToken->Token.GetNetworksToken == NULL) {\r | |
280 | WifiMgrFreeToken(ConfigToken);\r | |
281 | gBS->RestoreTPL (OldTpl);\r | |
282 | return EFI_OUT_OF_RESOURCES;\r | |
283 | }\r | |
284 | GetNetworksToken = ConfigToken->Token.GetNetworksToken;\r | |
285 | \r | |
286 | //\r | |
287 | // There are some hidden networks to scan, add them into scan list\r | |
288 | //\r | |
289 | if (HiddenSSIdCount > 0) {\r | |
290 | HiddenSSIdList = AllocateZeroPool(HiddenSSIdCount * sizeof (EFI_80211_SSID));\r | |
291 | if (HiddenSSIdList == NULL) {\r | |
292 | WifiMgrFreeToken(ConfigToken);\r | |
293 | gBS->RestoreTPL (OldTpl);\r | |
294 | return EFI_OUT_OF_RESOURCES;\r | |
295 | }\r | |
296 | \r | |
297 | HiddenSSIdIndex = 0;\r | |
298 | NET_LIST_FOR_EACH (Entry, &Nic->Private->HiddenNetworkList) {\r | |
299 | \r | |
300 | HiddenNetwork = NET_LIST_USER_STRUCT_S (Entry, WIFI_HIDDEN_NETWORK_DATA,\r | |
301 | Link, WIFI_MGR_HIDDEN_NETWORK_SIGNATURE);\r | |
302 | HiddenSSIdList[HiddenSSIdIndex].SSIdLen = (UINT8) StrLen (HiddenNetwork->SSId);\r | |
303 | UnicodeStrToAsciiStrS(HiddenNetwork->SSId,\r | |
304 | (CHAR8 *) HiddenSSIdList[HiddenSSIdIndex].SSId, SSID_STORAGE_SIZE);\r | |
305 | HiddenSSIdIndex ++;\r | |
306 | }\r | |
307 | GetNetworksToken->Data = AllocateZeroPool (sizeof (EFI_80211_GET_NETWORKS_DATA) +\r | |
308 | (HiddenSSIdCount - 1) * sizeof (EFI_80211_SSID));\r | |
309 | if (GetNetworksToken->Data == NULL) {\r | |
310 | FreePool (HiddenSSIdList);\r | |
311 | WifiMgrFreeToken(ConfigToken);\r | |
312 | gBS->RestoreTPL (OldTpl);\r | |
313 | return EFI_OUT_OF_RESOURCES;\r | |
314 | }\r | |
315 | GetNetworksToken->Data->NumOfSSID = HiddenSSIdCount;\r | |
316 | CopyMem(GetNetworksToken->Data->SSIDList, HiddenSSIdList, HiddenSSIdCount * sizeof (EFI_80211_SSID));\r | |
317 | FreePool(HiddenSSIdList);\r | |
318 | } else {\r | |
319 | \r | |
320 | GetNetworksToken->Data = AllocateZeroPool (sizeof (EFI_80211_GET_NETWORKS_DATA));\r | |
321 | if (GetNetworksToken->Data == NULL) {\r | |
322 | WifiMgrFreeToken(ConfigToken);\r | |
323 | gBS->RestoreTPL (OldTpl);\r | |
324 | return EFI_OUT_OF_RESOURCES;\r | |
325 | }\r | |
326 | \r | |
327 | GetNetworksToken->Data->NumOfSSID = 0;\r | |
328 | }\r | |
329 | \r | |
330 | //\r | |
331 | //Create a handle when scan process ends\r | |
332 | //\r | |
333 | Status = gBS->CreateEvent (\r | |
334 | EVT_NOTIFY_SIGNAL,\r | |
335 | TPL_CALLBACK,\r | |
336 | WifiMgrOnScanFinished,\r | |
337 | ConfigToken,\r | |
338 | &GetNetworksToken->Event\r | |
339 | );\r | |
340 | if (EFI_ERROR (Status)) {\r | |
341 | WifiMgrFreeToken(ConfigToken);\r | |
342 | gBS->RestoreTPL (OldTpl);\r | |
343 | return Status;\r | |
344 | }\r | |
345 | \r | |
346 | //\r | |
347 | //Start scan ...\r | |
348 | //\r | |
349 | Status = Nic->Wmp->GetNetworks (Nic->Wmp, GetNetworksToken);\r | |
350 | if (EFI_ERROR (Status)) {\r | |
351 | Nic->ScanState = WifiMgrScanFinished;\r | |
352 | WifiMgrFreeToken(ConfigToken);\r | |
353 | gBS->RestoreTPL (OldTpl);\r | |
354 | return Status;\r | |
355 | }\r | |
356 | \r | |
357 | gBS->RestoreTPL (OldTpl);\r | |
358 | return EFI_SUCCESS;\r | |
359 | }\r | |
360 | \r | |
361 | /**\r | |
362 | Configure password to supplicant before connecting to a secured network.\r | |
363 | \r | |
364 | @param[in] Nic Pointer to the device data of the selected NIC.\r | |
365 | @param[in] Profile The target network to be connected.\r | |
366 | \r | |
367 | @retval EFI_SUCCESS The operation is completed.\r | |
368 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
369 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
370 | @retval EFI_NOT_FOUND No valid password is found to configure.\r | |
371 | @retval Other Errors Returned errors when setting data to supplicant.\r | |
372 | \r | |
373 | **/\r | |
374 | EFI_STATUS\r | |
375 | WifiMgrConfigPassword (\r | |
376 | IN WIFI_MGR_DEVICE_DATA *Nic,\r | |
377 | IN WIFI_MGR_NETWORK_PROFILE *Profile\r | |
378 | )\r | |
379 | {\r | |
380 | EFI_STATUS Status;\r | |
381 | EFI_SUPPLICANT_PROTOCOL *Supplicant;\r | |
382 | EFI_80211_SSID SSId;\r | |
383 | UINT8 *AsciiPassword;\r | |
384 | \r | |
385 | if (Nic == NULL || Nic->Supplicant == NULL || Profile == NULL) {\r | |
386 | return EFI_INVALID_PARAMETER;\r | |
387 | }\r | |
388 | Supplicant = Nic->Supplicant;\r | |
389 | //\r | |
390 | //Set SSId to supplicant\r | |
391 | //\r | |
392 | SSId.SSIdLen = Profile->Network.SSId.SSIdLen;\r | |
393 | CopyMem(SSId.SSId, Profile->Network.SSId.SSId, sizeof (Profile->Network.SSId.SSId));\r | |
394 | Status = Supplicant->SetData(Supplicant,EfiSupplicant80211TargetSSIDName,\r | |
395 | (VOID *)&SSId, sizeof(EFI_80211_SSID));\r | |
396 | if (EFI_ERROR(Status)) {\r | |
397 | return Status;\r | |
398 | }\r | |
399 | \r | |
400 | //\r | |
401 | //Set password to supplicant\r | |
402 | //\r | |
403 | if (StrLen (Profile->Password) < PASSWORD_MIN_LEN) {\r | |
404 | return EFI_NOT_FOUND;\r | |
405 | }\r | |
406 | AsciiPassword = AllocateZeroPool ((StrLen(Profile->Password) + 1) * sizeof (UINT8));\r | |
407 | if (AsciiPassword == NULL) {\r | |
408 | return EFI_OUT_OF_RESOURCES;\r | |
409 | }\r | |
410 | UnicodeStrToAsciiStrS (Profile->Password, (CHAR8 *) AsciiPassword, PASSWORD_STORAGE_SIZE);\r | |
411 | Status = Supplicant->SetData (Supplicant, EfiSupplicant80211PskPassword,\r | |
412 | AsciiPassword, (StrLen(Profile->Password) + 1) * sizeof (UINT8));\r | |
413 | ZeroMem (AsciiPassword, AsciiStrLen ((CHAR8 *) AsciiPassword) + 1);\r | |
414 | FreePool(AsciiPassword);\r | |
415 | \r | |
416 | return Status;\r | |
417 | }\r | |
418 | \r | |
419 | /**\r | |
420 | Conduct EAP configuration to supplicant before connecting to a EAP network.\r | |
421 | Current WiFi Connection Manager only supports three kinds of EAP networks:\r | |
422 | 1). EAP-TLS (Two-Way Authentication is required in our implementation)\r | |
423 | 2). EAP-TTLS/MSCHAPv2 (One-Way Authentication is required in our implementation)\r | |
424 | 3). PEAPv0/MSCHAPv2 (One-Way Authentication is required in our implementation)\r | |
425 | \r | |
426 | @param[in] Nic Pointer to the device data of the selected NIC.\r | |
427 | @param[in] Profile The target network to be connected.\r | |
428 | \r | |
429 | @retval EFI_SUCCESS The operation is completed.\r | |
430 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
431 | @retval EFI_UNSUPPORTED The expected EAP method is not supported.\r | |
432 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
433 | @retval Other Errors Returned errors when setting data to supplicant.\r | |
434 | \r | |
435 | **/\r | |
436 | EFI_STATUS\r | |
437 | WifiMgrConfigEap (\r | |
438 | IN WIFI_MGR_DEVICE_DATA *Nic,\r | |
439 | IN WIFI_MGR_NETWORK_PROFILE *Profile\r | |
440 | )\r | |
441 | {\r | |
442 | EFI_STATUS Status;\r | |
443 | EFI_EAP_CONFIGURATION_PROTOCOL *EapConfig;\r | |
444 | EFI_EAP_TYPE EapAuthMethod;\r | |
445 | EFI_EAP_TYPE EapSecondAuthMethod;\r | |
446 | EFI_EAP_TYPE *AuthMethodList;\r | |
447 | CHAR8 *Identity;\r | |
448 | UINTN IdentitySize;\r | |
449 | CHAR16 *Password;\r | |
450 | UINTN PasswordSize;\r | |
451 | UINTN EncryptPasswordLen;\r | |
452 | CHAR8 *AsciiEncryptPassword;\r | |
453 | UINTN AuthMethodListSize;\r | |
454 | UINTN Index;\r | |
455 | \r | |
456 | if (Nic == NULL || Nic->EapConfig == NULL || Profile == NULL) {\r | |
457 | return EFI_INVALID_PARAMETER;\r | |
458 | }\r | |
459 | EapConfig = Nic->EapConfig;\r | |
460 | \r | |
461 | if (Profile->EapAuthMethod >= EAP_AUTH_METHOD_MAX) {\r | |
462 | return EFI_INVALID_PARAMETER;\r | |
463 | }\r | |
464 | EapAuthMethod = mEapAuthMethod[Profile->EapAuthMethod];\r | |
465 | \r | |
466 | if (EapAuthMethod != EFI_EAP_TYPE_EAPTLS) {\r | |
467 | if (Profile->EapSecondAuthMethod >= EAP_SEAUTH_METHOD_MAX) {\r | |
468 | return EFI_INVALID_PARAMETER;\r | |
469 | }\r | |
470 | EapSecondAuthMethod = mEapSecondAuthMethod[Profile->EapSecondAuthMethod];\r | |
471 | }\r | |
472 | \r | |
473 | //\r | |
474 | //The first time to get Supported Auth Method list, return the size.\r | |
475 | //\r | |
476 | AuthMethodListSize = 0;\r | |
477 | AuthMethodList = NULL;\r | |
478 | Status = EapConfig->GetData (EapConfig, EFI_EAP_TYPE_ATTRIBUTE, EfiEapConfigEapSupportedAuthMethod,\r | |
479 | (VOID *) AuthMethodList, &AuthMethodListSize);\r | |
480 | if (Status == EFI_SUCCESS) {\r | |
481 | //\r | |
482 | //No Supported Eap Auth Method\r | |
483 | //\r | |
484 | return EFI_UNSUPPORTED;\r | |
485 | } else if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
486 | return Status;\r | |
487 | }\r | |
488 | \r | |
489 | //\r | |
490 | // The second time to get Supported Auth Method list, return the list.\r | |
491 | // In current design, only EAPTLS, TTLS and PEAP are supported\r | |
492 | //\r | |
493 | AuthMethodList = (EFI_EAP_TYPE *) AllocateZeroPool(AuthMethodListSize);\r | |
494 | if (AuthMethodList == NULL) {\r | |
495 | return EFI_OUT_OF_RESOURCES;\r | |
496 | }\r | |
497 | Status = EapConfig->GetData (EapConfig, EFI_EAP_TYPE_ATTRIBUTE, EfiEapConfigEapSupportedAuthMethod,\r | |
498 | (VOID *) AuthMethodList, &AuthMethodListSize);\r | |
499 | if (EFI_ERROR (Status)) {\r | |
500 | FreePool (AuthMethodList);\r | |
501 | return Status;\r | |
502 | }\r | |
503 | \r | |
504 | //\r | |
505 | //Check if EapAuthMethod is in supported Auth Method list, if found, skip the loop.\r | |
506 | //\r | |
507 | for (Index = 0; Index < AuthMethodListSize / sizeof (EFI_EAP_TYPE); Index ++) {\r | |
508 | if (EapAuthMethod == AuthMethodList[Index]) {\r | |
509 | break;\r | |
510 | }\r | |
511 | }\r | |
512 | if (Index == AuthMethodListSize / sizeof (EFI_EAP_TYPE)) {\r | |
513 | FreePool (AuthMethodList);\r | |
514 | return EFI_UNSUPPORTED;\r | |
515 | }\r | |
516 | FreePool (AuthMethodList);\r | |
517 | \r | |
518 | //\r | |
519 | // Set Identity to Eap peer, Mandatory field for PEAP and TTLS\r | |
520 | //\r | |
521 | if (StrLen (Profile->EapIdentity) > 0) {\r | |
522 | \r | |
523 | IdentitySize = sizeof(CHAR8) * (StrLen(Profile->EapIdentity) + 1);\r | |
524 | Identity = AllocateZeroPool (IdentitySize);\r | |
525 | if (Identity == NULL) {\r | |
526 | return EFI_OUT_OF_RESOURCES;\r | |
527 | }\r | |
528 | UnicodeStrToAsciiStrS(Profile->EapIdentity, Identity, IdentitySize);\r | |
529 | Status = EapConfig->SetData (EapConfig, EFI_EAP_TYPE_IDENTITY, EfiEapConfigIdentityString,\r | |
530 | (VOID *) Identity, IdentitySize - 1);\r | |
531 | if (EFI_ERROR(Status)) {\r | |
532 | FreePool (Identity);\r | |
533 | return Status;\r | |
534 | }\r | |
535 | FreePool (Identity);\r | |
536 | } else {\r | |
537 | if (EapAuthMethod != EFI_EAP_TYPE_EAPTLS) {\r | |
538 | return EFI_INVALID_PARAMETER;\r | |
539 | }\r | |
540 | }\r | |
541 | \r | |
542 | //\r | |
543 | //Set Auth Method to Eap peer, Mandatory field\r | |
544 | //\r | |
545 | Status = EapConfig->SetData (EapConfig, EFI_EAP_TYPE_ATTRIBUTE, EfiEapConfigEapAuthMethod,\r | |
546 | (VOID *) &EapAuthMethod, sizeof (EapAuthMethod));\r | |
547 | if (EFI_ERROR(Status)) {\r | |
548 | return Status;\r | |
549 | }\r | |
550 | \r | |
551 | if (EapAuthMethod == EFI_EAP_TYPE_TTLS || EapAuthMethod == EFI_EAP_TYPE_PEAP) {\r | |
552 | \r | |
553 | Status = EapConfig->SetData (EapConfig, EapAuthMethod, EfiEapConfigEap2ndAuthMethod,\r | |
554 | (VOID *) &EapSecondAuthMethod, sizeof (EapSecondAuthMethod));\r | |
555 | if (EFI_ERROR(Status)) {\r | |
556 | return Status;\r | |
557 | }\r | |
558 | \r | |
559 | //\r | |
560 | // Set Password to Eap peer\r | |
561 | //\r | |
562 | if (StrLen (Profile->EapPassword) < PASSWORD_MIN_LEN) {\r | |
563 | \r | |
564 | DEBUG ((DEBUG_ERROR, "[WiFi Connection Manager] Error: No Eap Password for Network: %s.\n", Profile->SSId));\r | |
565 | return EFI_INVALID_PARAMETER;\r | |
566 | }\r | |
567 | \r | |
568 | PasswordSize = sizeof (CHAR16) * (StrLen (Profile->EapPassword) + 1);\r | |
569 | Password = AllocateZeroPool (PasswordSize);\r | |
570 | if (Password == NULL) {\r | |
571 | return EFI_OUT_OF_RESOURCES;\r | |
572 | }\r | |
573 | StrCpyS (Password, PasswordSize, Profile->EapPassword);;\r | |
574 | Status = EapConfig->SetData (EapConfig, EFI_EAP_TYPE_MSCHAPV2, EfiEapConfigEapMSChapV2Password,\r | |
575 | (VOID *) Password, PasswordSize);\r | |
576 | ZeroMem (Password, PasswordSize);\r | |
577 | FreePool (Password);\r | |
578 | if (EFI_ERROR (Status)) {\r | |
579 | return Status;\r | |
580 | }\r | |
581 | \r | |
582 | //\r | |
583 | //If CA cert is required, set it to Eap peer\r | |
584 | //\r | |
585 | if (Profile->CACertData != NULL) {\r | |
586 | \r | |
587 | Status = EapConfig->SetData (EapConfig, EapAuthMethod, EfiEapConfigEapTlsCACert,\r | |
588 | Profile->CACertData, Profile->CACertSize);\r | |
589 | if (EFI_ERROR(Status)) {\r | |
590 | return Status;\r | |
591 | }\r | |
592 | } else {\r | |
593 | return EFI_INVALID_PARAMETER;\r | |
594 | }\r | |
595 | } else if (EapAuthMethod == EFI_EAP_TYPE_EAPTLS) {\r | |
596 | \r | |
597 | //\r | |
598 | //Set CA cert to Eap peer\r | |
599 | //\r | |
600 | if (Profile->CACertData == NULL) {\r | |
601 | return EFI_INVALID_PARAMETER;\r | |
602 | }\r | |
603 | Status = EapConfig->SetData (EapConfig, EFI_EAP_TYPE_EAPTLS, EfiEapConfigEapTlsCACert,\r | |
604 | Profile->CACertData, Profile->CACertSize);\r | |
605 | if (EFI_ERROR(Status)) {\r | |
606 | return Status;\r | |
607 | }\r | |
608 | \r | |
609 | //\r | |
610 | //Set Client cert to Eap peer\r | |
611 | //\r | |
612 | if (Profile->ClientCertData == NULL) {\r | |
613 | return EFI_INVALID_PARAMETER;\r | |
614 | }\r | |
615 | Status = EapConfig->SetData (EapConfig, EFI_EAP_TYPE_EAPTLS, EfiEapConfigEapTlsClientCert,\r | |
616 | Profile->ClientCertData, Profile->ClientCertSize);\r | |
617 | if (EFI_ERROR(Status)) {\r | |
618 | return Status;\r | |
619 | }\r | |
620 | \r | |
621 | //\r | |
622 | //Set Private key to Eap peer\r | |
623 | //\r | |
624 | if (Profile->PrivateKeyData == NULL) {\r | |
625 | \r | |
626 | DEBUG ((DEBUG_ERROR, "[WiFi Connection Manager] Error: No Private Key for Network: %s.\n", Profile->SSId));\r | |
627 | return EFI_INVALID_PARAMETER;\r | |
628 | }\r | |
629 | \r | |
630 | Status = EapConfig->SetData (EapConfig, EFI_EAP_TYPE_EAPTLS, EfiEapConfigEapTlsClientPrivateKeyFile,\r | |
631 | Profile->PrivateKeyData, Profile->PrivateKeyDataSize);\r | |
632 | if (EFI_ERROR(Status)) {\r | |
633 | return Status;\r | |
634 | }\r | |
635 | \r | |
636 | if (StrLen (Profile->PrivateKeyPassword) > 0) {\r | |
637 | \r | |
638 | EncryptPasswordLen = StrLen (Profile->PrivateKeyPassword);\r | |
639 | AsciiEncryptPassword = AllocateZeroPool(EncryptPasswordLen + 1);\r | |
640 | if (AsciiEncryptPassword == NULL) {\r | |
641 | return EFI_OUT_OF_RESOURCES;\r | |
642 | }\r | |
643 | UnicodeStrToAsciiStrS(Profile->PrivateKeyPassword, AsciiEncryptPassword, EncryptPasswordLen + 1);\r | |
644 | Status = EapConfig->SetData(EapConfig, EFI_EAP_TYPE_EAPTLS,\r | |
645 | EfiEapConfigEapTlsClientPrivateKeyFilePassword,\r | |
646 | (VOID *) AsciiEncryptPassword, EncryptPasswordLen + 1);\r | |
647 | if (EFI_ERROR(Status)) {\r | |
648 | \r | |
649 | ZeroMem (AsciiEncryptPassword, EncryptPasswordLen + 1);\r | |
650 | FreePool (AsciiEncryptPassword);\r | |
651 | return Status;\r | |
652 | }\r | |
653 | \r | |
654 | ZeroMem (AsciiEncryptPassword, EncryptPasswordLen + 1);\r | |
655 | FreePool (AsciiEncryptPassword);\r | |
656 | }\r | |
657 | } else {\r | |
658 | return EFI_INVALID_PARAMETER;\r | |
659 | }\r | |
660 | \r | |
661 | return EFI_SUCCESS;\r | |
662 | }\r | |
663 | \r | |
664 | /**\r | |
665 | Get current link state from low layer.\r | |
666 | \r | |
667 | @param[in] Nic Pointer to the device data of the selected NIC.\r | |
668 | @param[out] LinkState The pointer to buffer to retrieve link state.\r | |
669 | \r | |
670 | @retval EFI_SUCCESS The operation is completed.\r | |
671 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
672 | @retval EFI_UNSUPPORTED Adapter information protocol is not supported.\r | |
673 | @retval Other Errors Returned errors when retrieving link state from low layer.\r | |
674 | \r | |
675 | **/\r | |
676 | EFI_STATUS\r | |
677 | WifiMgrGetLinkState (\r | |
678 | IN WIFI_MGR_DEVICE_DATA *Nic,\r | |
679 | OUT EFI_ADAPTER_INFO_MEDIA_STATE *LinkState\r | |
680 | )\r | |
681 | {\r | |
682 | EFI_STATUS Status;\r | |
683 | EFI_TPL OldTpl;\r | |
684 | UINTN DataSize;\r | |
685 | EFI_ADAPTER_INFO_MEDIA_STATE *UndiState;\r | |
686 | EFI_ADAPTER_INFORMATION_PROTOCOL *Aip;\r | |
687 | \r | |
688 | if (Nic == NULL || LinkState == NULL) {\r | |
689 | return EFI_INVALID_PARAMETER;\r | |
690 | }\r | |
691 | \r | |
692 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
693 | Status = gBS->OpenProtocol (\r | |
694 | Nic->ControllerHandle,\r | |
695 | &gEfiAdapterInformationProtocolGuid,\r | |
696 | (VOID**) &Aip,\r | |
697 | Nic->DriverHandle,\r | |
698 | Nic->ControllerHandle,\r | |
699 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
700 | );\r | |
701 | if (EFI_ERROR (Status)) {\r | |
702 | gBS->RestoreTPL (OldTpl);\r | |
703 | return EFI_UNSUPPORTED;\r | |
704 | }\r | |
705 | \r | |
706 | Status = Aip->GetInformation(\r | |
707 | Aip,\r | |
708 | &gEfiAdapterInfoMediaStateGuid,\r | |
709 | (VOID **) &UndiState,\r | |
710 | &DataSize\r | |
711 | );\r | |
712 | if (EFI_ERROR (Status)) {\r | |
713 | gBS->RestoreTPL (OldTpl);\r | |
714 | return Status;\r | |
715 | }\r | |
716 | gBS->RestoreTPL (OldTpl);\r | |
717 | \r | |
718 | CopyMem (LinkState, UndiState, sizeof (EFI_ADAPTER_INFO_MEDIA_STATE));\r | |
719 | FreePool (UndiState);\r | |
720 | return EFI_SUCCESS;\r | |
721 | }\r | |
722 | \r | |
723 | /**\r | |
724 | Prepare configuration work before connecting to the target network.\r | |
725 | For WPA2 Personal networks, password should be checked; and for EAP networks, parameters\r | |
726 | are different for different networks.\r | |
727 | \r | |
728 | @param[in] Nic Pointer to the device data of the selected NIC.\r | |
729 | @param[in] Profile The target network to be connected.\r | |
730 | \r | |
731 | @retval EFI_SUCCESS The operation is completed.\r | |
732 | @retval EFI_UNSUPPORTED This network is not supported.\r | |
733 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
734 | \r | |
735 | **/\r | |
736 | EFI_STATUS\r | |
737 | WifiMgrPrepareConnection (\r | |
738 | IN WIFI_MGR_DEVICE_DATA *Nic,\r | |
739 | IN WIFI_MGR_NETWORK_PROFILE *Profile\r | |
740 | )\r | |
741 | {\r | |
742 | EFI_STATUS Status;\r | |
743 | UINT8 SecurityType;\r | |
744 | BOOLEAN AKMSuiteSupported;\r | |
745 | BOOLEAN CipherSuiteSupported;\r | |
746 | \r | |
747 | if (Profile == NULL || Nic == NULL) {\r | |
748 | return EFI_INVALID_PARAMETER;\r | |
749 | }\r | |
750 | \r | |
751 | Status = WifiMgrCheckRSN (Profile->Network.AKMSuite, Profile->Network.CipherSuite,\r | |
752 | Nic, &SecurityType, &AKMSuiteSupported, &CipherSuiteSupported);\r | |
753 | if (EFI_ERROR (Status)) {\r | |
754 | return Status;\r | |
755 | }\r | |
756 | \r | |
757 | if (AKMSuiteSupported && CipherSuiteSupported) {\r | |
758 | switch (SecurityType) {\r | |
759 | case SECURITY_TYPE_WPA2_PERSONAL:\r | |
760 | \r | |
761 | Status = WifiMgrConfigPassword (Nic, Profile);\r | |
762 | if (EFI_ERROR (Status)) {\r | |
763 | if (Status == EFI_NOT_FOUND) {\r | |
764 | if (Nic->OneTimeConnectRequest) {\r | |
765 | WifiMgrUpdateConnectMessage (Nic, FALSE, L"Connect Failed: Invalid Password!");\r | |
766 | }\r | |
767 | }\r | |
768 | return Status;\r | |
769 | }\r | |
770 | break;\r | |
771 | \r | |
772 | case SECURITY_TYPE_WPA2_ENTERPRISE:\r | |
773 | \r | |
774 | Status = WifiMgrConfigEap (Nic, Profile);\r | |
775 | if (EFI_ERROR (Status)) {\r | |
776 | if (Status == EFI_INVALID_PARAMETER) {\r | |
777 | if (Nic->OneTimeConnectRequest) {\r | |
778 | WifiMgrUpdateConnectMessage (Nic, FALSE, L"Connect Failed: Invalid Configuration!");\r | |
779 | }\r | |
780 | }\r | |
781 | return Status;\r | |
782 | }\r | |
783 | break;\r | |
784 | \r | |
785 | case SECURITY_TYPE_NONE:\r | |
786 | break;\r | |
787 | \r | |
788 | default:\r | |
789 | return EFI_UNSUPPORTED;\r | |
790 | }\r | |
791 | } else {\r | |
792 | return EFI_UNSUPPORTED;\r | |
793 | }\r | |
794 | \r | |
795 | return EFI_SUCCESS;\r | |
796 | }\r | |
797 | \r | |
798 | /**\r | |
799 | The callback function for connect operation.\r | |
800 | \r | |
801 | ASSERT when errors occur in config token.\r | |
802 | \r | |
803 | @param[in] Event The Connect token receive event.\r | |
804 | @param[in] Context The context of the connect token.\r | |
805 | \r | |
806 | **/\r | |
807 | VOID\r | |
808 | EFIAPI\r | |
809 | WifiMgrOnConnectFinished (\r | |
810 | IN EFI_EVENT Event,\r | |
811 | IN VOID *Context\r | |
812 | )\r | |
813 | {\r | |
814 | EFI_STATUS Status;\r | |
815 | WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;\r | |
816 | WIFI_MGR_NETWORK_PROFILE *ConnectedProfile;\r | |
817 | UINT8 SecurityType;\r | |
818 | UINT8 SSIdLen;\r | |
819 | CHAR8 *AsciiSSId;\r | |
820 | \r | |
821 | ASSERT (Context != NULL);\r | |
822 | \r | |
823 | ConnectedProfile = NULL;\r | |
824 | ConfigToken = (WIFI_MGR_MAC_CONFIG_TOKEN*) Context;\r | |
825 | ASSERT (ConfigToken->Nic != NULL);\r | |
826 | \r | |
827 | ConfigToken->Nic->ConnectState = WifiMgrDisconnected;\r | |
828 | ASSERT (ConfigToken->Type == TokenTypeConnectNetworkToken);\r | |
829 | \r | |
830 | ASSERT (ConfigToken->Token.ConnectNetworkToken != NULL);\r | |
831 | if (ConfigToken->Token.ConnectNetworkToken->Status != EFI_SUCCESS) {\r | |
832 | \r | |
833 | if (ConfigToken->Nic->OneTimeConnectRequest) {\r | |
834 | //\r | |
835 | // Only update message for user triggered connection\r | |
836 | //\r | |
837 | if (ConfigToken->Token.ConnectNetworkToken->Status == EFI_ACCESS_DENIED) {\r | |
838 | \r | |
839 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, L"Connect Failed: Permission Denied!");\r | |
840 | } else {\r | |
841 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, L"Connect Failed!");\r | |
842 | }\r | |
843 | ConfigToken->Nic->OneTimeConnectRequest = FALSE;\r | |
844 | }\r | |
845 | ConfigToken->Nic->CurrentOperateNetwork = NULL;\r | |
846 | return;\r | |
847 | }\r | |
848 | \r | |
849 | if (ConfigToken->Token.ConnectNetworkToken->ResultCode != ConnectSuccess) {\r | |
850 | \r | |
851 | if (ConfigToken->Nic->OneTimeConnectRequest) {\r | |
852 | \r | |
853 | if (ConfigToken->Token.ConnectNetworkToken->ResultCode == ConnectFailedReasonUnspecified) {\r | |
854 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, L"Connect Failed: Wrong Password or Unexpected Error!");\r | |
855 | } else {\r | |
856 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, L"Connect Failed!");\r | |
857 | }\r | |
858 | }\r | |
859 | goto Exit;\r | |
860 | }\r | |
861 | \r | |
862 | if (ConfigToken->Token.ConnectNetworkToken->Data == NULL ||\r | |
863 | ConfigToken->Token.ConnectNetworkToken->Data->Network == NULL) {\r | |
864 | \r | |
865 | //\r | |
866 | // An unexpected error occurs, tell low layer to perform a disconnect\r | |
867 | //\r | |
868 | ConfigToken->Nic->HasDisconnectPendingNetwork = TRUE;\r | |
869 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, NULL);\r | |
870 | goto Exit;\r | |
871 | }\r | |
872 | \r | |
873 | //\r | |
874 | // A correct connect token received, terminate the connection process\r | |
875 | //\r | |
876 | Status = WifiMgrCheckRSN(ConfigToken->Token.ConnectNetworkToken->Data->Network->AKMSuite,\r | |
877 | ConfigToken->Token.ConnectNetworkToken->Data->Network->CipherSuite,\r | |
878 | ConfigToken->Nic, &SecurityType, NULL, NULL);\r | |
879 | if (EFI_ERROR(Status)) {\r | |
880 | SecurityType = SECURITY_TYPE_UNKNOWN;\r | |
881 | }\r | |
882 | \r | |
883 | SSIdLen = ConfigToken->Token.ConnectNetworkToken->Data->Network->SSId.SSIdLen;\r | |
884 | AsciiSSId = (CHAR8*) AllocateZeroPool(sizeof (CHAR8) * (SSIdLen + 1));\r | |
885 | if (AsciiSSId == NULL) {\r | |
886 | ConfigToken->Nic->HasDisconnectPendingNetwork = TRUE;\r | |
887 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, NULL);\r | |
888 | goto Exit;\r | |
889 | }\r | |
890 | \r | |
891 | CopyMem(AsciiSSId, ConfigToken->Token.ConnectNetworkToken->Data->Network->SSId.SSId, SSIdLen);\r | |
892 | *(AsciiSSId + SSIdLen) = '\0';\r | |
893 | \r | |
894 | ConnectedProfile = WifiMgrGetProfileByAsciiSSId(AsciiSSId, SecurityType, &ConfigToken->Nic->ProfileList);\r | |
895 | FreePool(AsciiSSId);\r | |
896 | if (ConnectedProfile == NULL) {\r | |
897 | ConfigToken->Nic->HasDisconnectPendingNetwork = TRUE;\r | |
898 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, NULL);\r | |
899 | goto Exit;\r | |
900 | }\r | |
901 | \r | |
902 | ConfigToken->Nic->ConnectState = WifiMgrConnectedToAp;\r | |
903 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, TRUE, NULL);\r | |
904 | \r | |
905 | Exit:\r | |
906 | \r | |
907 | if (ConfigToken->Nic->ConnectState == WifiMgrDisconnected) {\r | |
908 | ConfigToken->Nic->CurrentOperateNetwork = NULL;\r | |
909 | }\r | |
910 | ConfigToken->Nic->OneTimeConnectRequest = FALSE;\r | |
911 | WifiMgrFreeToken(ConfigToken);\r | |
912 | }\r | |
913 | \r | |
914 | /**\r | |
915 | Start connect operation, and send out a token to connect to a target network.\r | |
916 | \r | |
917 | @param[in] Nic Pointer to the device data of the selected NIC.\r | |
918 | @param[in] Profile The target network to be connected.\r | |
919 | \r | |
920 | @retval EFI_SUCCESS The operation is completed.\r | |
921 | @retval EFI_ALREADY_STARTED Already in "connected" state, need to perform a disconnect\r | |
922 | operation first.\r | |
923 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
924 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
925 | @retval Other Errors Return errors when connecting network on low layer.\r | |
926 | \r | |
927 | **/\r | |
928 | EFI_STATUS\r | |
929 | WifiMgrConnectToNetwork (\r | |
930 | IN WIFI_MGR_DEVICE_DATA *Nic,\r | |
931 | IN WIFI_MGR_NETWORK_PROFILE *Profile\r | |
932 | )\r | |
933 | {\r | |
934 | EFI_STATUS Status;\r | |
935 | EFI_TPL OldTpl;\r | |
936 | EFI_ADAPTER_INFO_MEDIA_STATE LinkState;\r | |
937 | WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;\r | |
938 | EFI_80211_CONNECT_NETWORK_TOKEN *ConnectToken;\r | |
939 | \r | |
940 | if (Nic == NULL || Nic->Wmp == NULL || Profile == NULL) {\r | |
941 | return EFI_INVALID_PARAMETER;\r | |
942 | }\r | |
943 | \r | |
944 | Status = WifiMgrGetLinkState (Nic, &LinkState);\r | |
945 | if (EFI_ERROR (Status)) {\r | |
946 | return Status;\r | |
947 | }\r | |
948 | if (LinkState.MediaState == EFI_SUCCESS) {\r | |
949 | return EFI_ALREADY_STARTED;\r | |
950 | }\r | |
951 | \r | |
952 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
953 | Status = WifiMgrPrepareConnection (Nic, Profile);\r | |
954 | if (EFI_ERROR (Status)) {\r | |
955 | gBS->RestoreTPL (OldTpl);\r | |
956 | return Status;\r | |
957 | }\r | |
958 | \r | |
959 | //\r | |
960 | // Create a new connect token\r | |
961 | //\r | |
962 | ConfigToken = AllocateZeroPool (sizeof (WIFI_MGR_MAC_CONFIG_TOKEN));\r | |
963 | if (ConfigToken == NULL) {\r | |
964 | Status = EFI_OUT_OF_RESOURCES;\r | |
965 | goto Exit;\r | |
966 | }\r | |
967 | \r | |
968 | ConfigToken->Type = TokenTypeConnectNetworkToken;\r | |
969 | ConfigToken->Nic = Nic;\r | |
970 | ConfigToken->Token.ConnectNetworkToken = AllocateZeroPool (sizeof (EFI_80211_CONNECT_NETWORK_TOKEN));\r | |
971 | if (ConfigToken->Token.ConnectNetworkToken == NULL) {\r | |
972 | goto Exit;\r | |
973 | }\r | |
974 | \r | |
975 | ConnectToken = ConfigToken->Token.ConnectNetworkToken;\r | |
976 | ConnectToken->Data = AllocateZeroPool (sizeof (EFI_80211_CONNECT_NETWORK_DATA));\r | |
977 | if (ConnectToken->Data == NULL) {\r | |
978 | goto Exit;\r | |
979 | }\r | |
980 | \r | |
981 | ConnectToken->Data->Network = AllocateZeroPool (sizeof (EFI_80211_NETWORK));\r | |
982 | if (ConnectToken->Data->Network == NULL) {\r | |
983 | goto Exit;\r | |
984 | }\r | |
985 | CopyMem(ConnectToken->Data->Network, &Profile->Network, sizeof (EFI_80211_NETWORK));\r | |
986 | \r | |
987 | //\r | |
988 | // Add event handle and start to connect\r | |
989 | //\r | |
990 | Status = gBS->CreateEvent (\r | |
991 | EVT_NOTIFY_SIGNAL,\r | |
992 | TPL_CALLBACK,\r | |
993 | WifiMgrOnConnectFinished,\r | |
994 | ConfigToken,\r | |
995 | &ConnectToken->Event\r | |
996 | );\r | |
997 | if (EFI_ERROR (Status)) {\r | |
998 | goto Exit;\r | |
999 | }\r | |
1000 | \r | |
1001 | Nic->ConnectState = WifiMgrConnectingToAp;\r | |
1002 | Nic->CurrentOperateNetwork = Profile;\r | |
1003 | WifiMgrUpdateConnectMessage (Nic, FALSE, NULL);\r | |
1004 | \r | |
1005 | //\r | |
1006 | //Start Connecting ...\r | |
1007 | //\r | |
1008 | Status = Nic->Wmp->ConnectNetwork (Nic->Wmp, ConnectToken);\r | |
1009 | \r | |
1010 | //\r | |
1011 | // Erase secrets after connection is triggered\r | |
1012 | //\r | |
1013 | WifiMgrCleanProfileSecrets (Profile);\r | |
1014 | \r | |
1015 | if (EFI_ERROR (Status)) {\r | |
1016 | if (Status == EFI_ALREADY_STARTED) {\r | |
1017 | Nic->ConnectState = WifiMgrConnectedToAp;\r | |
1018 | WifiMgrUpdateConnectMessage (Nic, TRUE, NULL);\r | |
1019 | } else {\r | |
1020 | \r | |
1021 | Nic->ConnectState = WifiMgrDisconnected;\r | |
1022 | Nic->CurrentOperateNetwork = NULL;\r | |
1023 | \r | |
1024 | if (Nic->OneTimeConnectRequest) {\r | |
1025 | if (Status == EFI_NOT_FOUND) {\r | |
1026 | WifiMgrUpdateConnectMessage (Nic, FALSE, L"Connect Failed: Not Available!");\r | |
1027 | } else {\r | |
1028 | WifiMgrUpdateConnectMessage (Nic, FALSE, L"Connect Failed: Unexpected Error!");\r | |
1029 | }\r | |
1030 | }\r | |
1031 | }\r | |
1032 | goto Exit;\r | |
1033 | }\r | |
1034 | \r | |
1035 | Exit:\r | |
1036 | \r | |
1037 | if (EFI_ERROR (Status)) {\r | |
1038 | WifiMgrFreeToken (ConfigToken);\r | |
1039 | }\r | |
1040 | gBS->RestoreTPL (OldTpl);\r | |
1041 | \r | |
1042 | DEBUG ((DEBUG_INFO, "[WiFi Connection Manager] WifiMgrConnectToNetwork: %r\n", Status));\r | |
1043 | return Status;\r | |
1044 | }\r | |
1045 | \r | |
1046 | /**\r | |
1047 | The callback function for disconnect operation.\r | |
1048 | \r | |
1049 | ASSERT when errors occur in config token.\r | |
1050 | \r | |
1051 | @param[in] Event The Disconnect token receive event.\r | |
1052 | @param[in] Context The context of the Disconnect token.\r | |
1053 | \r | |
1054 | **/\r | |
1055 | VOID\r | |
1056 | EFIAPI\r | |
1057 | WifiMgrOnDisconnectFinished (\r | |
1058 | IN EFI_EVENT Event,\r | |
1059 | IN VOID *Context\r | |
1060 | )\r | |
1061 | {\r | |
1062 | WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;\r | |
1063 | \r | |
1064 | ASSERT (Context != NULL);\r | |
1065 | \r | |
1066 | ConfigToken = (WIFI_MGR_MAC_CONFIG_TOKEN*) Context;\r | |
1067 | ASSERT (ConfigToken->Nic != NULL);\r | |
1068 | ASSERT (ConfigToken->Type == TokenTypeDisconnectNetworkToken);\r | |
1069 | \r | |
1070 | ASSERT (ConfigToken->Token.DisconnectNetworkToken != NULL);\r | |
1071 | if (ConfigToken->Token.DisconnectNetworkToken->Status != EFI_SUCCESS) {\r | |
1072 | ConfigToken->Nic->ConnectState = WifiMgrConnectedToAp;\r | |
1073 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, NULL);\r | |
1074 | ConfigToken->Nic->OneTimeDisconnectRequest = FALSE;\r | |
1075 | goto Exit;\r | |
1076 | }\r | |
1077 | \r | |
1078 | ConfigToken->Nic->ConnectState = WifiMgrDisconnected;\r | |
1079 | ConfigToken->Nic->CurrentOperateNetwork = NULL;\r | |
1080 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, TRUE, NULL);\r | |
1081 | ConfigToken->Nic->OneTimeDisconnectRequest = FALSE;\r | |
1082 | \r | |
1083 | //\r | |
1084 | // Disconnected network may not be in network list now, trigger a scan again!\r | |
1085 | //\r | |
1086 | ConfigToken->Nic->OneTimeScanRequest = TRUE;\r | |
1087 | \r | |
1088 | Exit:\r | |
1089 | WifiMgrFreeToken(ConfigToken);\r | |
1090 | return;\r | |
1091 | }\r | |
1092 | \r | |
1093 | /**\r | |
1094 | Start disconnect operation, and send out a token to disconnect from current connected\r | |
1095 | network.\r | |
1096 | \r | |
1097 | @param[in] Nic Pointer to the device data of the selected NIC.\r | |
1098 | \r | |
1099 | @retval EFI_SUCCESS The operation is completed.\r | |
1100 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
1101 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
1102 | @retval Other Errors Return errors when disconnecting a network on low layer.\r | |
1103 | \r | |
1104 | **/\r | |
1105 | EFI_STATUS\r | |
1106 | WifiMgrDisconnectToNetwork (\r | |
1107 | IN WIFI_MGR_DEVICE_DATA *Nic\r | |
1108 | )\r | |
1109 | {\r | |
1110 | EFI_STATUS Status;\r | |
1111 | EFI_TPL OldTpl;\r | |
1112 | WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;\r | |
1113 | EFI_80211_DISCONNECT_NETWORK_TOKEN *DisconnectToken;\r | |
1114 | \r | |
1115 | if (Nic == NULL) {\r | |
1116 | return EFI_INVALID_PARAMETER;\r | |
1117 | }\r | |
1118 | \r | |
1119 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1120 | Status = EFI_SUCCESS;\r | |
1121 | ConfigToken = AllocateZeroPool (sizeof (WIFI_MGR_MAC_CONFIG_TOKEN));\r | |
1122 | if (ConfigToken == NULL) {\r | |
1123 | gBS->RestoreTPL (OldTpl);\r | |
1124 | return EFI_OUT_OF_RESOURCES;\r | |
1125 | }\r | |
1126 | \r | |
1127 | ConfigToken->Type = TokenTypeDisconnectNetworkToken;\r | |
1128 | ConfigToken->Nic = Nic;\r | |
1129 | ConfigToken->Token.DisconnectNetworkToken = AllocateZeroPool (sizeof (EFI_80211_DISCONNECT_NETWORK_TOKEN));\r | |
1130 | if (ConfigToken->Token.DisconnectNetworkToken == NULL) {\r | |
1131 | WifiMgrFreeToken(ConfigToken);\r | |
1132 | gBS->RestoreTPL (OldTpl);\r | |
1133 | return EFI_OUT_OF_RESOURCES;\r | |
1134 | }\r | |
1135 | \r | |
1136 | DisconnectToken = ConfigToken->Token.DisconnectNetworkToken;\r | |
1137 | \r | |
1138 | Status = gBS->CreateEvent (\r | |
1139 | EVT_NOTIFY_SIGNAL,\r | |
1140 | TPL_CALLBACK,\r | |
1141 | WifiMgrOnDisconnectFinished,\r | |
1142 | ConfigToken,\r | |
1143 | &DisconnectToken->Event\r | |
1144 | );\r | |
1145 | if (EFI_ERROR (Status)) {\r | |
1146 | WifiMgrFreeToken(ConfigToken);\r | |
1147 | gBS->RestoreTPL (OldTpl);\r | |
1148 | return Status;\r | |
1149 | }\r | |
1150 | \r | |
1151 | Nic->ConnectState = WifiMgrDisconnectingToAp;\r | |
1152 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, NULL);\r | |
1153 | \r | |
1154 | Status = Nic->Wmp->DisconnectNetwork (Nic->Wmp, DisconnectToken);\r | |
1155 | if (EFI_ERROR (Status)) {\r | |
1156 | if (Status == EFI_NOT_FOUND) {\r | |
1157 | \r | |
1158 | Nic->ConnectState = WifiMgrDisconnected;\r | |
1159 | Nic->CurrentOperateNetwork = NULL;\r | |
1160 | \r | |
1161 | //\r | |
1162 | // This network is not in network list now, trigger a scan again!\r | |
1163 | //\r | |
1164 | Nic->OneTimeScanRequest = TRUE;\r | |
1165 | \r | |
1166 | //\r | |
1167 | // State has been changed from Connected to Disconnected\r | |
1168 | //\r | |
1169 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, TRUE, NULL);\r | |
1170 | Status = EFI_SUCCESS;\r | |
1171 | } else {\r | |
1172 | if (Nic->OneTimeDisconnectRequest) {\r | |
1173 | \r | |
1174 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, L"Disconnect Failed: Unexpected Error!");\r | |
1175 | }\r | |
1176 | \r | |
1177 | Nic->ConnectState = WifiMgrConnectedToAp;\r | |
1178 | WifiMgrUpdateConnectMessage (ConfigToken->Nic, FALSE, NULL);\r | |
1179 | }\r | |
1180 | WifiMgrFreeToken(ConfigToken);\r | |
1181 | }\r | |
1182 | \r | |
1183 | gBS->RestoreTPL (OldTpl);\r | |
1184 | return Status;\r | |
1185 | }\r | |
1186 | \r | |
1187 | /**\r | |
1188 | The state machine of the connection manager, periodically check the state and\r | |
1189 | perform a corresponding operation.\r | |
1190 | \r | |
1191 | @param[in] Event The timer event to be triggered.\r | |
1192 | @param[in] Context The context of the Nic device data.\r | |
1193 | \r | |
1194 | **/\r | |
1195 | VOID\r | |
1196 | EFIAPI\r | |
1197 | WifiMgrOnTimerTick (\r | |
1198 | IN EFI_EVENT Event,\r | |
1199 | IN VOID *Context\r | |
1200 | )\r | |
1201 | {\r | |
1202 | WIFI_MGR_DEVICE_DATA *Nic;\r | |
1203 | EFI_STATUS Status;\r | |
1204 | EFI_ADAPTER_INFO_MEDIA_STATE LinkState;\r | |
1205 | WIFI_MGR_NETWORK_PROFILE *Profile;\r | |
1206 | \r | |
1207 | if (Context == NULL) {\r | |
1208 | return;\r | |
1209 | }\r | |
1210 | \r | |
1211 | Nic = (WIFI_MGR_DEVICE_DATA*) Context;\r | |
1212 | NET_CHECK_SIGNATURE (Nic, WIFI_MGR_DEVICE_DATA_SIGNATURE);\r | |
1213 | \r | |
1214 | Status = WifiMgrGetLinkState (Nic, &LinkState);\r | |
1215 | if (EFI_ERROR (Status)) {\r | |
1216 | DEBUG ((DEBUG_INFO, "[WiFi Connection Manager] Error: Failed to get link state!\n"));\r | |
1217 | return;\r | |
1218 | }\r | |
1219 | \r | |
1220 | if (Nic->LastLinkState.MediaState != LinkState.MediaState) {\r | |
1221 | if (Nic->LastLinkState.MediaState == EFI_SUCCESS && LinkState.MediaState == EFI_NO_MEDIA) {\r | |
1222 | Nic->HasDisconnectPendingNetwork = TRUE;\r | |
1223 | }\r | |
1224 | Nic->LastLinkState.MediaState = LinkState.MediaState;\r | |
1225 | }\r | |
1226 | \r | |
1227 | Nic->ScanTickTime ++;\r | |
1228 | if ((Nic->ScanTickTime > WIFI_SCAN_FREQUENCY || Nic->OneTimeScanRequest) &&\r | |
1229 | Nic->ScanState == WifiMgrScanFinished) {\r | |
1230 | \r | |
1231 | Nic->OneTimeScanRequest = FALSE;\r | |
1232 | Nic->ScanTickTime = 0;\r | |
1233 | \r | |
1234 | DEBUG ((DEBUG_INFO, "[WiFi Connection Manager] Scan is triggered.\n"));\r | |
1235 | WifiMgrStartScan (Nic);\r | |
1236 | }\r | |
1237 | \r | |
1238 | if (Nic->AvailableCount > 0 && Nic->ScanState == WifiMgrScanFinished) {\r | |
1239 | \r | |
1240 | switch (Nic->ConnectState) {\r | |
1241 | case WifiMgrDisconnected:\r | |
1242 | \r | |
1243 | if (Nic->HasDisconnectPendingNetwork) {\r | |
1244 | Nic->HasDisconnectPendingNetwork = FALSE;\r | |
1245 | }\r | |
1246 | \r | |
1247 | if (Nic->ConnectPendingNetwork != NULL) {\r | |
1248 | \r | |
1249 | Profile = Nic->ConnectPendingNetwork;\r | |
1250 | Status = WifiMgrConnectToNetwork(Nic, Profile);\r | |
1251 | Nic->ConnectPendingNetwork = NULL;\r | |
1252 | if (EFI_ERROR (Status)) {\r | |
1253 | //\r | |
1254 | // Some error happened, don't wait for a return connect token!\r | |
1255 | //\r | |
1256 | Nic->OneTimeConnectRequest = FALSE;\r | |
1257 | }\r | |
1258 | }\r | |
1259 | break;\r | |
1260 | \r | |
1261 | case WifiMgrConnectingToAp:\r | |
1262 | break;\r | |
1263 | \r | |
1264 | case WifiMgrDisconnectingToAp:\r | |
1265 | break;\r | |
1266 | \r | |
1267 | case WifiMgrConnectedToAp:\r | |
1268 | \r | |
1269 | if (Nic->ConnectPendingNetwork != NULL || Nic->HasDisconnectPendingNetwork) {\r | |
1270 | \r | |
1271 | Status = WifiMgrDisconnectToNetwork(Nic);\r | |
1272 | if (EFI_ERROR (Status)) {\r | |
1273 | //\r | |
1274 | // Some error happened, don't wait for a return disconnect token!\r | |
1275 | //\r | |
1276 | Nic->OneTimeDisconnectRequest = FALSE;\r | |
1277 | }\r | |
1278 | }\r | |
1279 | break;\r | |
1280 | \r | |
1281 | default:\r | |
1282 | break;\r | |
1283 | }\r | |
1284 | }\r | |
1285 | }\r |