| // |
| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include "shill/supplicant/supplicant_eap_state_handler.h" |
| |
| #include "shill/logging.h" |
| #include "shill/supplicant/wpa_supplicant.h" |
| |
| namespace shill { |
| |
| using std::string; |
| |
| SupplicantEAPStateHandler::SupplicantEAPStateHandler() |
| : is_eap_in_progress_(false) {} |
| |
| SupplicantEAPStateHandler::~SupplicantEAPStateHandler() {} |
| |
| bool SupplicantEAPStateHandler::ParseStatus(const string& status, |
| const string& parameter, |
| Service::ConnectFailure* failure) { |
| if (status == WPASupplicant::kEAPStatusAcceptProposedMethod) { |
| LOG(INFO) << "EAP: accepted method " << parameter; |
| } else if (status == WPASupplicant::kEAPStatusCompletion) { |
| if (parameter == WPASupplicant::kEAPParameterSuccess) { |
| LOG(INFO) << "EAP: Completed authentication successfully."; |
| is_eap_in_progress_ = false; |
| return true; |
| } else if (parameter == WPASupplicant::kEAPParameterFailure) { |
| // If there was a TLS error, use this instead of the generic failure. |
| if (tls_error_ == WPASupplicant::kEAPStatusLocalTLSAlert) { |
| *failure = Service::kFailureEAPLocalTLS; |
| } else if (tls_error_ == |
| WPASupplicant::kEAPStatusRemoteTLSAlert) { |
| *failure = Service::kFailureEAPRemoteTLS; |
| } else { |
| *failure = Service::kFailureEAPAuthentication; |
| } |
| } else { |
| LOG(ERROR) << "EAP: Unexpected " << status << " parameter: " << parameter; |
| } |
| } else if (status == WPASupplicant::kEAPStatusLocalTLSAlert || |
| status == WPASupplicant::kEAPStatusRemoteTLSAlert) { |
| tls_error_ = status; |
| } else if (status == |
| WPASupplicant::kEAPStatusRemoteCertificateVerification) { |
| if (parameter == WPASupplicant::kEAPParameterSuccess) { |
| LOG(INFO) << "EAP: Completed remote certificate verification."; |
| } else { |
| // wpa_supplicant doesn't currently have a verification failure |
| // message. We will instead get a RemoteTLSAlert above. |
| LOG(ERROR) << "EAP: Unexpected " << status << " parameter: " << parameter; |
| } |
| } else if (status == WPASupplicant::kEAPStatusParameterNeeded) { |
| if (parameter == WPASupplicant::kEAPRequestedParameterPIN) { |
| // wpa_supplicant could have erased the PIN. Signal to WiFi that |
| // it should supply one if possible. |
| *failure = Service::kFailurePinMissing; |
| } else { |
| LOG(ERROR) << "EAP: Authentication aborted due to missing authentication " |
| << "parameter: " << parameter; |
| *failure = Service::kFailureEAPAuthentication; |
| } |
| } else if (status == WPASupplicant::kEAPStatusStarted) { |
| LOG(INFO) << "EAP: Authentication starting."; |
| is_eap_in_progress_ = true; |
| } |
| |
| return false; |
| } |
| |
| void SupplicantEAPStateHandler::Reset() { |
| is_eap_in_progress_ = false; |
| tls_error_ = ""; |
| } |
| |
| } // namespace shill |