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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "chrome/browser/safe_browsing/incident_reporting/binary_integrity_analy
zer.h" | 5 #include "chrome/browser/safe_browsing/incident_reporting/binary_integrity_analy
zer.h" |
| 6 | 6 |
| 7 #include <string> | 7 #include <string> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
| 11 #include "base/files/file_util.h" | 11 #include "base/files/file_util.h" |
| 12 #include "base/metrics/histogram.h" | 12 #include "base/metrics/histogram.h" |
| 13 #include "base/strings/string_number_conversions.h" | 13 #include "base/strings/string_number_conversions.h" |
| 14 #include "base/strings/string_util.h" | 14 #include "base/strings/string_util.h" |
| 15 #include "base/strings/stringprintf.h" | 15 #include "base/strings/stringprintf.h" |
| 16 #include "base/time/time.h" | 16 #include "base/time/time.h" |
| 17 #include "chrome/browser/browser_process.h" | 17 #include "chrome/browser/browser_process.h" |
| 18 #include "chrome/browser/safe_browsing/binary_feature_extractor.h" | 18 #include "chrome/browser/safe_browsing/binary_feature_extractor.h" |
| 19 #include "chrome/browser/safe_browsing/incident_reporting/binary_integrity_incid
ent.h" |
| 19 #include "chrome/browser/safe_browsing/safe_browsing_service.h" | 20 #include "chrome/browser/safe_browsing/safe_browsing_service.h" |
| 20 #include "chrome/common/safe_browsing/csd.pb.h" | 21 #include "chrome/common/safe_browsing/csd.pb.h" |
| 21 | 22 |
| 22 namespace safe_browsing { | 23 namespace safe_browsing { |
| 23 | 24 |
| 24 namespace { | 25 namespace { |
| 25 | 26 |
| 26 void RecordSignatureVerificationTime(size_t file_index, | 27 void RecordSignatureVerificationTime(size_t file_index, |
| 27 const base::TimeDelta& verification_time) { | 28 const base::TimeDelta& verification_time) { |
| 28 static const char kHistogramName[] = "SBIRS.VerifyBinaryIntegrity."; | 29 static const char kHistogramName[] = "SBIRS.VerifyBinaryIntegrity."; |
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| 62 | 63 |
| 63 scoped_ptr<ClientDownloadRequest_SignatureInfo> signature_info( | 64 scoped_ptr<ClientDownloadRequest_SignatureInfo> signature_info( |
| 64 new ClientDownloadRequest_SignatureInfo()); | 65 new ClientDownloadRequest_SignatureInfo()); |
| 65 | 66 |
| 66 base::TimeTicks time_before = base::TimeTicks::Now(); | 67 base::TimeTicks time_before = base::TimeTicks::Now(); |
| 67 binary_feature_extractor->CheckSignature(binary_path, signature_info.get()); | 68 binary_feature_extractor->CheckSignature(binary_path, signature_info.get()); |
| 68 RecordSignatureVerificationTime(i, base::TimeTicks::Now() - time_before); | 69 RecordSignatureVerificationTime(i, base::TimeTicks::Now() - time_before); |
| 69 | 70 |
| 70 // Only create a report if the signature is untrusted. | 71 // Only create a report if the signature is untrusted. |
| 71 if (!signature_info->trusted()) { | 72 if (!signature_info->trusted()) { |
| 72 scoped_ptr<ClientIncidentReport_IncidentData> incident_data( | 73 scoped_ptr<ClientIncidentReport_IncidentData_BinaryIntegrityIncident> |
| 73 new ClientIncidentReport_IncidentData()); | 74 incident( |
| 74 ClientIncidentReport_IncidentData_BinaryIntegrityIncident* | 75 new ClientIncidentReport_IncidentData_BinaryIntegrityIncident()); |
| 75 binary_integrity = incident_data->mutable_binary_integrity(); | |
| 76 | 76 |
| 77 binary_integrity->set_file_basename( | 77 incident->set_file_basename(binary_path.BaseName().AsUTF8Unsafe()); |
| 78 binary_path.BaseName().AsUTF8Unsafe()); | 78 incident->set_allocated_signature(signature_info.release()); |
| 79 binary_integrity->set_allocated_signature(signature_info.release()); | |
| 80 | 79 |
| 81 // Send the report. | 80 // Send the report. |
| 82 callback.Run(incident_data.Pass()); | 81 callback.Run(make_scoped_ptr( |
| 82 new BinaryIntegrityIncident(incident.Pass()))); |
| 83 } | 83 } |
| 84 } | 84 } |
| 85 } | 85 } |
| 86 | 86 |
| 87 #if !defined(OS_WIN) | 87 #if !defined(OS_WIN) |
| 88 std::vector<base::FilePath> GetCriticalBinariesPath() { | 88 std::vector<base::FilePath> GetCriticalBinariesPath() { |
| 89 return std::vector<base::FilePath>(); | 89 return std::vector<base::FilePath>(); |
| 90 } | 90 } |
| 91 #endif // !defined(OS_WIN) | 91 #endif // !defined(OS_WIN) |
| 92 | 92 |
| 93 } // namespace safe_browsing | 93 } // namespace safe_browsing |
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