blob: 68e3d9cbe19ec23fcc93af21c42d5723990f937f [file] [log] [blame]
// 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"
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 =
quic::QuicParseCommandLineFlags(usage, argc, argv);
if (messages.size() != 1) {
quic::QuicPrintCommandLineFlagHelp(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;
}