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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/cert/multi_log_ct_verifier.h" | 5 #include "net/cert/multi_log_ct_verifier.h" |
| 6 | 6 |
| 7 #include <vector> | 7 #include <vector> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/callback_helpers.h" | 10 #include "base/callback_helpers.h" |
| 11 #include "base/metrics/histogram_macros.h" | 11 #include "base/metrics/histogram_macros.h" |
| 12 #include "base/values.h" | 12 #include "base/values.h" |
| 13 #include "net/base/net_errors.h" | 13 #include "net/base/net_errors.h" |
| 14 #include "net/cert/ct_log_verifier.h" | 14 #include "net/cert/ct_log_verifier.h" |
| 15 #include "net/cert/ct_objects_extractor.h" | 15 #include "net/cert/ct_objects_extractor.h" |
| 16 #include "net/cert/ct_serialization.h" | 16 #include "net/cert/ct_serialization.h" |
| 17 #include "net/cert/ct_signed_certificate_timestamp_log_param.h" | 17 #include "net/cert/ct_signed_certificate_timestamp_log_param.h" |
| 18 #include "net/cert/ct_verify_result.h" | 18 #include "net/cert/ct_verify_result.h" |
| 19 #include "net/cert/sct_status_flags.h" | 19 #include "net/cert/sct_status_flags.h" |
| 20 #include "net/cert/x509_certificate.h" | 20 #include "net/cert/x509_certificate.h" |
| 21 #include "net/log/net_log.h" | |
| 22 #include "net/log/net_log_event_type.h" | 21 #include "net/log/net_log_event_type.h" |
| 22 #include "net/log/net_log_parameters_callback_typedef.h" |
| 23 #include "net/log/net_log_with_source.h" |
| 23 | 24 |
| 24 namespace net { | 25 namespace net { |
| 25 | 26 |
| 26 namespace { | 27 namespace { |
| 27 | 28 |
| 28 // Record SCT verification status. This metric would help detecting presence | 29 // Record SCT verification status. This metric would help detecting presence |
| 29 // of unknown CT logs as well as bad deployments (invalid SCTs). | 30 // of unknown CT logs as well as bad deployments (invalid SCTs). |
| 30 void LogSCTStatusToUMA(ct::SCTVerifyStatus status) { | 31 void LogSCTStatusToUMA(ct::SCTVerifyStatus status) { |
| 31 // Note SCT_STATUS_MAX + 1 is passed to the UMA_HISTOGRAM_ENUMERATION as that | 32 // Note SCT_STATUS_MAX + 1 is passed to the UMA_HISTOGRAM_ENUMERATION as that |
| 32 // macro requires the values to be strictly less than the boundary value, | 33 // macro requires the values to be strictly less than the boundary value, |
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| 110 std::string sct_list_from_ocsp; | 111 std::string sct_list_from_ocsp; |
| 111 if (!stapled_ocsp_response.empty() && | 112 if (!stapled_ocsp_response.empty() && |
| 112 !cert->GetIntermediateCertificates().empty()) { | 113 !cert->GetIntermediateCertificates().empty()) { |
| 113 ct::ExtractSCTListFromOCSPResponse( | 114 ct::ExtractSCTListFromOCSPResponse( |
| 114 cert->GetIntermediateCertificates().front(), cert->serial_number(), | 115 cert->GetIntermediateCertificates().front(), cert->serial_number(), |
| 115 stapled_ocsp_response, &sct_list_from_ocsp); | 116 stapled_ocsp_response, &sct_list_from_ocsp); |
| 116 } | 117 } |
| 117 | 118 |
| 118 // Log to Net Log, after extracting SCTs but before possibly failing on | 119 // Log to Net Log, after extracting SCTs but before possibly failing on |
| 119 // X.509 entry creation. | 120 // X.509 entry creation. |
| 120 NetLog::ParametersCallback net_log_callback = | 121 NetLogParametersCallback net_log_callback = |
| 121 base::Bind(&NetLogRawSignedCertificateTimestampCallback, | 122 base::Bind(&NetLogRawSignedCertificateTimestampCallback, &embedded_scts, |
| 122 &embedded_scts, &sct_list_from_ocsp, &sct_list_from_tls_extension); | 123 &sct_list_from_ocsp, &sct_list_from_tls_extension); |
| 123 | 124 |
| 124 net_log.AddEvent(NetLogEventType::SIGNED_CERTIFICATE_TIMESTAMPS_RECEIVED, | 125 net_log.AddEvent(NetLogEventType::SIGNED_CERTIFICATE_TIMESTAMPS_RECEIVED, |
| 125 net_log_callback); | 126 net_log_callback); |
| 126 | 127 |
| 127 ct::LogEntry x509_entry; | 128 ct::LogEntry x509_entry; |
| 128 if (ct::GetX509LogEntry(cert->os_cert_handle(), &x509_entry)) { | 129 if (ct::GetX509LogEntry(cert->os_cert_handle(), &x509_entry)) { |
| 129 has_verified_scts |= VerifySCTs( | 130 has_verified_scts |= VerifySCTs( |
| 130 sct_list_from_ocsp, x509_entry, | 131 sct_list_from_ocsp, x509_entry, |
| 131 ct::SignedCertificateTimestamp::SCT_FROM_OCSP_RESPONSE, cert, result); | 132 ct::SignedCertificateTimestamp::SCT_FROM_OCSP_RESPONSE, cert, result); |
| 132 | 133 |
| 133 has_verified_scts |= VerifySCTs( | 134 has_verified_scts |= VerifySCTs( |
| 134 sct_list_from_tls_extension, x509_entry, | 135 sct_list_from_tls_extension, x509_entry, |
| 135 ct::SignedCertificateTimestamp::SCT_FROM_TLS_EXTENSION, cert, result); | 136 ct::SignedCertificateTimestamp::SCT_FROM_TLS_EXTENSION, cert, result); |
| 136 } | 137 } |
| 137 | 138 |
| 138 NetLog::ParametersCallback net_log_checked_callback = | 139 NetLogParametersCallback net_log_checked_callback = |
| 139 base::Bind(&NetLogSignedCertificateTimestampCallback, result); | 140 base::Bind(&NetLogSignedCertificateTimestampCallback, result); |
| 140 | 141 |
| 141 net_log.AddEvent(NetLogEventType::SIGNED_CERTIFICATE_TIMESTAMPS_CHECKED, | 142 net_log.AddEvent(NetLogEventType::SIGNED_CERTIFICATE_TIMESTAMPS_CHECKED, |
| 142 net_log_checked_callback); | 143 net_log_checked_callback); |
| 143 | 144 |
| 144 LogNumSCTsToUMA(*result); | 145 LogNumSCTsToUMA(*result); |
| 145 | 146 |
| 146 if (has_verified_scts) | 147 if (has_verified_scts) |
| 147 return OK; | 148 return OK; |
| 148 | 149 |
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| 212 return false; | 213 return false; |
| 213 } | 214 } |
| 214 | 215 |
| 215 AddSCTAndLogStatus(sct, ct::SCT_STATUS_OK, &(result->scts)); | 216 AddSCTAndLogStatus(sct, ct::SCT_STATUS_OK, &(result->scts)); |
| 216 if (observer_) | 217 if (observer_) |
| 217 observer_->OnSCTVerified(cert, sct.get()); | 218 observer_->OnSCTVerified(cert, sct.get()); |
| 218 return true; | 219 return true; |
| 219 } | 220 } |
| 220 | 221 |
| 221 } // namespace net | 222 } // namespace net |
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