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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/tools/quic/stateless_rejector.h" | 5 #include "net/tools/quic/stateless_rejector.h" |
| 6 | 6 |
| 7 #include "net/quic/core/quic_bug_tracker.h" |
| 7 #include "net/quic/core/quic_crypto_server_stream.h" | 8 #include "net/quic/core/quic_crypto_server_stream.h" |
| 8 #include "net/quic/core/quic_flags.h" | 9 #include "net/quic/core/quic_flags.h" |
| 9 | 10 |
| 10 namespace net { | 11 namespace net { |
| 11 | 12 |
| 12 class StatelessRejector::ValidateCallback | 13 class StatelessRejector::ValidateCallback |
| 13 : public ValidateClientHelloResultCallback { | 14 : public ValidateClientHelloResultCallback { |
| 14 public: | 15 public: |
| 15 explicit ValidateCallback( | 16 explicit ValidateCallback( |
| 16 std::unique_ptr<StatelessRejector> rejector, | 17 std::unique_ptr<StatelessRejector> rejector, |
| 17 std::unique_ptr<StatelessRejector::ProcessDoneCallback> cb) | 18 std::unique_ptr<StatelessRejector::ProcessDoneCallback> cb) |
| 18 : rejector_(std::move(rejector)), cb_(std::move(cb)) {} | 19 : rejector_(std::move(rejector)), cb_(std::move(cb)) {} |
| 19 | 20 |
| 20 ~ValidateCallback() override {} | 21 ~ValidateCallback() override {} |
| 21 | 22 |
| 22 void Run(std::unique_ptr<Result> result, | 23 void Run(scoped_refptr<Result> result, |
| 23 std::unique_ptr<ProofSource::Details> /* proof_source_details */) | 24 std::unique_ptr<ProofSource::Details> /* proof_source_details */) |
| 24 override { | 25 override { |
| 25 StatelessRejector* rejector_ptr = rejector_.get(); | 26 StatelessRejector* rejector_ptr = rejector_.get(); |
| 26 rejector_ptr->ProcessClientHello(*result, std::move(rejector_), | 27 rejector_ptr->ProcessClientHello(std::move(result), std::move(rejector_), |
| 27 std::move(cb_)); | 28 std::move(cb_)); |
| 28 } | 29 } |
| 29 | 30 |
| 30 private: | 31 private: |
| 31 std::unique_ptr<StatelessRejector> rejector_; | 32 std::unique_ptr<StatelessRejector> rejector_; |
| 32 std::unique_ptr<StatelessRejector::ProcessDoneCallback> cb_; | 33 std::unique_ptr<StatelessRejector::ProcessDoneCallback> cb_; |
| 33 }; | 34 }; |
| 34 | 35 |
| 35 StatelessRejector::StatelessRejector( | 36 StatelessRejector::StatelessRejector( |
| 36 QuicVersion version, | 37 QuicVersion version, |
| (...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 72 state_ = UNSUPPORTED; | 73 state_ = UNSUPPORTED; |
| 73 return; | 74 return; |
| 74 } | 75 } |
| 75 | 76 |
| 76 connection_id_ = connection_id; | 77 connection_id_ = connection_id; |
| 77 server_designated_connection_id_ = server_designated_connection_id; | 78 server_designated_connection_id_ = server_designated_connection_id; |
| 78 chlo_ = message; // Note: copies the message | 79 chlo_ = message; // Note: copies the message |
| 79 } | 80 } |
| 80 | 81 |
| 81 void StatelessRejector::Process(std::unique_ptr<StatelessRejector> rejector, | 82 void StatelessRejector::Process(std::unique_ptr<StatelessRejector> rejector, |
| 82 std::unique_ptr<ProcessDoneCallback> cb) { | 83 std::unique_ptr<ProcessDoneCallback> done_cb) { |
| 83 // If we were able to make a decision about this CHLO based purely on the | 84 // If we were able to make a decision about this CHLO based purely on the |
| 84 // information available in OnChlo, just invoke the done callback immediately. | 85 // information available in OnChlo, just invoke the done callback immediately. |
| 85 if (rejector->state() != UNKNOWN) { | 86 if (rejector->state() != UNKNOWN) { |
| 86 cb->Run(std::move(rejector)); | 87 done_cb->Run(std::move(rejector)); |
| 87 return; | 88 return; |
| 88 } | 89 } |
| 89 | 90 |
| 90 StatelessRejector* rejector_ptr = rejector.get(); | 91 StatelessRejector* rejector_ptr = rejector.get(); |
| 91 rejector_ptr->crypto_config_->ValidateClientHello( | 92 rejector_ptr->crypto_config_->ValidateClientHello( |
| 92 rejector_ptr->chlo_, rejector_ptr->client_address_.address(), | 93 rejector_ptr->chlo_, rejector_ptr->client_address_.address(), |
| 93 rejector_ptr->server_address_.address(), rejector_ptr->version_, | 94 rejector_ptr->server_address_.address(), rejector_ptr->version_, |
| 94 rejector_ptr->clock_, &rejector_ptr->proof_, | 95 rejector_ptr->clock_, &rejector_ptr->proof_, |
| 95 std::unique_ptr<ValidateCallback>( | 96 std::unique_ptr<ValidateCallback>( |
| 96 new ValidateCallback(std::move(rejector), std::move(cb)))); | 97 new ValidateCallback(std::move(rejector), std::move(done_cb)))); |
| 97 } | 98 } |
| 98 | 99 |
| 99 void StatelessRejector::ProcessClientHello( | 100 void StatelessRejector::ProcessClientHello( |
| 100 const ValidateClientHelloResultCallback::Result& result, | 101 scoped_refptr<ValidateClientHelloResultCallback::Result> result, |
| 101 std::unique_ptr<StatelessRejector> rejector, | 102 std::unique_ptr<StatelessRejector> rejector, |
| 102 std::unique_ptr<StatelessRejector::ProcessDoneCallback> cb) { | 103 std::unique_ptr<StatelessRejector::ProcessDoneCallback> done_cb) { |
| 103 QuicCryptoNegotiatedParameters params; | 104 QuicCryptoNegotiatedParameters params; |
| 104 DiversificationNonce diversification_nonce; | 105 DiversificationNonce diversification_nonce; |
| 105 QuicErrorCode error = crypto_config_->ProcessClientHello( | 106 QuicErrorCode error = crypto_config_->ProcessClientHello( |
| 106 result, | 107 result, |
| 107 /*reject_only=*/true, connection_id_, server_address_.address(), | 108 /*reject_only=*/true, connection_id_, server_address_.address(), |
| 108 client_address_, version_, versions_, | 109 client_address_, version_, versions_, |
| 109 /*use_stateless_rejects=*/true, server_designated_connection_id_, clock_, | 110 /*use_stateless_rejects=*/true, server_designated_connection_id_, clock_, |
| 110 random_, compressed_certs_cache_, ¶ms, &proof_, | 111 random_, compressed_certs_cache_, ¶ms, &proof_, |
| 111 QuicCryptoStream::CryptoMessageFramingOverhead(version_), | 112 QuicCryptoStream::CryptoMessageFramingOverhead(version_), |
| 112 chlo_packet_size_, &reply_, &diversification_nonce, &error_details_); | 113 chlo_packet_size_, &reply_, &diversification_nonce, &error_details_); |
| 113 if (error != QUIC_NO_ERROR) { | 114 if (error != QUIC_NO_ERROR) { |
| 114 error_ = error; | 115 error_ = error; |
| 115 state_ = FAILED; | 116 state_ = FAILED; |
| 116 } else if (reply_.tag() == kSREJ) { | 117 } else if (reply_.tag() == kSREJ) { |
| 117 state_ = REJECTED; | 118 state_ = REJECTED; |
| 118 } else { | 119 } else { |
| 119 state_ = ACCEPTED; | 120 state_ = ACCEPTED; |
| 120 } | 121 } |
| 121 cb->Run(std::move(rejector)); | 122 done_cb->Run(std::move(rejector)); |
| 122 } | 123 } |
| 123 | 124 |
| 124 } // namespace net | 125 } // namespace net |
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