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82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Dumps the contents of a QUIC crypto handshake message in a human readable
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// format.
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//
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// Usage: crypto_message_printer_bin <hex of message>
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#include <iostream>
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#include "base/command_line.h"
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#include "net/quic/core/crypto/crypto_framer.h"
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#include "net/quic/platform/api/quic_text_utils.h"
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using net::Perspective;
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using std::cerr;
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using std::cout;
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using std::endl;
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std::string FLAGS_perspective = "";
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namespace net {
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class CryptoMessagePrinter : public net::CryptoFramerVisitorInterface {
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public:
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explicit CryptoMessagePrinter(Perspective perspective)
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: perspective_(perspective) {}
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void OnHandshakeMessage(const CryptoHandshakeMessage& message) override {
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cout << message.DebugString(perspective_) << endl;
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}
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void OnError(CryptoFramer* framer) override {
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cerr << "Error code: " << framer->error() << endl;
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cerr << "Error details: " << framer->error_detail() << endl;
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}
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Perspective perspective_;
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};
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} // namespace net
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int main(int argc, char* argv[]) {
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base::CommandLine::Init(argc, argv);
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if (argc != 2) {
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cerr << "Usage: " << argv[0]
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<< " --perspective=server/client <hex of message>\n";
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return 1;
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}
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base::CommandLine* line = base::CommandLine::ForCurrentProcess();
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if (line->HasSwitch("perspective")) {
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FLAGS_perspective = line->GetSwitchValueASCII("perspective");
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}
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if (FLAGS_perspective != "server" && FLAGS_perspective != "client") {
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cerr << "perspective must be either server or client\n";
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return 1;
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}
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Perspective perspective = FLAGS_perspective == "server"
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? Perspective::IS_SERVER
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: Perspective::IS_CLIENT;
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net::CryptoMessagePrinter printer(perspective);
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net::CryptoFramer framer;
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framer.set_visitor(&printer);
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std::string input = net::QuicTextUtils::HexDecode(argv[1]);
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if (!framer.ProcessInput(input, perspective)) {
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return 1;
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}
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if (framer.InputBytesRemaining() != 0) {
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cerr << "Input partially consumed. " << framer.InputBytesRemaining()
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<< " bytes remaining." << endl;
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return 2;
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}
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return 0;
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}
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