blob: b466a008ab3025acd8637185b3a8fe871b42cbbe [file] [log] [blame]
// Copyright (c) 2012 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 "base/command_line.h"
#include "net/quic/core/crypto/crypto_framer.h"
#include "net/quic/platform/api/quic_text_utils.h"
using net::Perspective;
using std::cerr;
using std::cout;
using std::endl;
std::string FLAGS_perspective = "";
namespace net {
class CryptoMessagePrinter : public net::CryptoFramerVisitorInterface {
public:
explicit CryptoMessagePrinter(Perspective perspective)
: perspective_(perspective) {}
void OnHandshakeMessage(const CryptoHandshakeMessage& message) override {
cout << message.DebugString(perspective_) << endl;
}
void OnError(CryptoFramer* framer) override {
cerr << "Error code: " << framer->error() << endl;
cerr << "Error details: " << framer->error_detail() << endl;
}
Perspective perspective_;
};
} // namespace net
int main(int argc, char* argv[]) {
base::CommandLine::Init(argc, argv);
if (argc != 2) {
cerr << "Usage: " << argv[0]
<< " --perspective=server/client <hex of message>\n";
return 1;
}
base::CommandLine* line = base::CommandLine::ForCurrentProcess();
if (line->HasSwitch("perspective")) {
FLAGS_perspective = line->GetSwitchValueASCII("perspective");
}
if (FLAGS_perspective != "server" && FLAGS_perspective != "client") {
cerr << "perspective must be either server or client\n";
return 1;
}
Perspective perspective = FLAGS_perspective == "server"
? Perspective::IS_SERVER
: Perspective::IS_CLIENT;
net::CryptoMessagePrinter printer(perspective);
net::CryptoFramer framer;
framer.set_visitor(&printer);
std::string input = net::QuicTextUtils::HexDecode(argv[1]);
if (!framer.ProcessInput(input, perspective)) {
return 1;
}
if (framer.InputBytesRemaining() != 0) {
cerr << "Input partially consumed. " << framer.InputBytesRemaining()
<< " bytes remaining." << endl;
return 2;
}
return 0;
}