| // Copyright (c) 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Dumps the contents of a QUIC crypto handshake message in a human readable |
| // format. |
| // |
| // Usage: crypto_message_printer_bin <hex of message> |
| |
| #include <iostream> |
| #include <string> |
| |
| #include "absl/strings/escaping.h" |
| #include "quic/core/crypto/crypto_framer.h" |
| #include "quic/core/quic_utils.h" |
| #include "common/platform/api/quiche_command_line_flags.h" |
| |
| using std::cerr; |
| using std::cout; |
| using std::endl; |
| |
| namespace quic { |
| |
| class CryptoMessagePrinter : public ::quic::CryptoFramerVisitorInterface { |
| public: |
| void OnHandshakeMessage(const CryptoHandshakeMessage& message) override { |
| cout << message.DebugString() << endl; |
| } |
| |
| void OnError(CryptoFramer* framer) override { |
| cerr << "Error code: " << framer->error() << endl; |
| cerr << "Error details: " << framer->error_detail() << endl; |
| } |
| }; |
| |
| } // namespace quic |
| |
| int main(int argc, char* argv[]) { |
| const char* usage = "Usage: crypto_message_printer <hex>"; |
| std::vector<std::string> messages = |
| quiche::QuicheParseCommandLineFlags(usage, argc, argv); |
| if (messages.size() != 1) { |
| quiche::QuichePrintCommandLineFlagHelp(usage); |
| exit(0); |
| } |
| |
| quic::CryptoMessagePrinter printer; |
| quic::CryptoFramer framer; |
| framer.set_visitor(&printer); |
| framer.set_process_truncated_messages(true); |
| std::string input = absl::HexStringToBytes(messages[0]); |
| if (!framer.ProcessInput(input)) { |
| return 1; |
| } |
| if (framer.InputBytesRemaining() != 0) { |
| cerr << "Input partially consumed. " << framer.InputBytesRemaining() |
| << " bytes remaining." << endl; |
| return 2; |
| } |
| return 0; |
| } |