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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" | 21 #include "net/log/net_log.h" |
| 22 #include "net/log/net_log_event_type.h" |
22 | 23 |
23 namespace net { | 24 namespace net { |
24 | 25 |
25 namespace { | 26 namespace { |
26 | 27 |
27 // Record SCT verification status. This metric would help detecting presence | 28 // Record SCT verification status. This metric would help detecting presence |
28 // of unknown CT logs as well as bad deployments (invalid SCTs). | 29 // of unknown CT logs as well as bad deployments (invalid SCTs). |
29 void LogSCTStatusToUMA(ct::SCTVerifyStatus status) { | 30 void LogSCTStatusToUMA(ct::SCTVerifyStatus status) { |
30 // Note SCT_STATUS_MAX + 1 is passed to the UMA_HISTOGRAM_ENUMERATION as that | 31 // Note SCT_STATUS_MAX + 1 is passed to the UMA_HISTOGRAM_ENUMERATION as that |
31 // macro requires the values to be strictly less than the boundary value, | 32 // macro requires the values to be strictly less than the boundary value, |
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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 NetLog::ParametersCallback net_log_callback = |
121 base::Bind(&NetLogRawSignedCertificateTimestampCallback, | 122 base::Bind(&NetLogRawSignedCertificateTimestampCallback, |
122 &embedded_scts, &sct_list_from_ocsp, &sct_list_from_tls_extension); | 123 &embedded_scts, &sct_list_from_ocsp, &sct_list_from_tls_extension); |
123 | 124 |
124 net_log.AddEvent( | 125 net_log.AddEvent(NetLogEventType::SIGNED_CERTIFICATE_TIMESTAMPS_RECEIVED, |
125 NetLog::TYPE_SIGNED_CERTIFICATE_TIMESTAMPS_RECEIVED, | 126 net_log_callback); |
126 net_log_callback); | |
127 | 127 |
128 ct::LogEntry x509_entry; | 128 ct::LogEntry x509_entry; |
129 if (ct::GetX509LogEntry(cert->os_cert_handle(), &x509_entry)) { | 129 if (ct::GetX509LogEntry(cert->os_cert_handle(), &x509_entry)) { |
130 has_verified_scts |= VerifySCTs( | 130 has_verified_scts |= VerifySCTs( |
131 sct_list_from_ocsp, x509_entry, | 131 sct_list_from_ocsp, x509_entry, |
132 ct::SignedCertificateTimestamp::SCT_FROM_OCSP_RESPONSE, cert, result); | 132 ct::SignedCertificateTimestamp::SCT_FROM_OCSP_RESPONSE, cert, result); |
133 | 133 |
134 has_verified_scts |= VerifySCTs( | 134 has_verified_scts |= VerifySCTs( |
135 sct_list_from_tls_extension, x509_entry, | 135 sct_list_from_tls_extension, x509_entry, |
136 ct::SignedCertificateTimestamp::SCT_FROM_TLS_EXTENSION, cert, result); | 136 ct::SignedCertificateTimestamp::SCT_FROM_TLS_EXTENSION, cert, result); |
137 } | 137 } |
138 | 138 |
139 NetLog::ParametersCallback net_log_checked_callback = | 139 NetLog::ParametersCallback net_log_checked_callback = |
140 base::Bind(&NetLogSignedCertificateTimestampCallback, result); | 140 base::Bind(&NetLogSignedCertificateTimestampCallback, result); |
141 | 141 |
142 net_log.AddEvent( | 142 net_log.AddEvent(NetLogEventType::SIGNED_CERTIFICATE_TIMESTAMPS_CHECKED, |
143 NetLog::TYPE_SIGNED_CERTIFICATE_TIMESTAMPS_CHECKED, | 143 net_log_checked_callback); |
144 net_log_checked_callback); | |
145 | 144 |
146 LogNumSCTsToUMA(*result); | 145 LogNumSCTsToUMA(*result); |
147 | 146 |
148 if (has_verified_scts) | 147 if (has_verified_scts) |
149 return OK; | 148 return OK; |
150 | 149 |
151 return ERR_CT_NO_SCTS_VERIFIED_OK; | 150 return ERR_CT_NO_SCTS_VERIFIED_OK; |
152 } | 151 } |
153 | 152 |
154 bool MultiLogCTVerifier::VerifySCTs( | 153 bool MultiLogCTVerifier::VerifySCTs( |
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214 return false; | 213 return false; |
215 } | 214 } |
216 | 215 |
217 AddSCTAndLogStatus(sct, ct::SCT_STATUS_OK, &(result->scts)); | 216 AddSCTAndLogStatus(sct, ct::SCT_STATUS_OK, &(result->scts)); |
218 if (observer_) | 217 if (observer_) |
219 observer_->OnSCTVerified(cert, sct.get()); | 218 observer_->OnSCTVerified(cert, sct.get()); |
220 return true; | 219 return true; |
221 } | 220 } |
222 | 221 |
223 } // namespace net | 222 } // namespace net |
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