tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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turnserver_main.cc (3366B)

      1 /*
      2 *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
      3 *
      4 *  Use of this source code is governed by a BSD-style license
      5 *  that can be found in the LICENSE file in the root of the source
      6 *  tree. An additional intellectual property rights grant can be found
      7 *  in the file PATENTS.  All contributing project authors may
      8 *  be found in the AUTHORS file in the root of the source tree.
      9 */
     10 
     11 #include <fstream>
     12 #include <iostream>
     13 #include <map>
     14 #include <memory>
     15 #include <string>
     16 #include <utility>
     17 
     18 #include "absl/strings/string_view.h"
     19 #include "api/environment/environment.h"
     20 #include "api/environment/environment_factory.h"
     21 #include "examples/turnserver/read_auth_file.h"
     22 #include "p2p/base/basic_packet_socket_factory.h"
     23 #include "p2p/base/port_interface.h"
     24 #include "p2p/test/turn_server.h"
     25 #include "rtc_base/async_udp_socket.h"
     26 #include "rtc_base/ip_address.h"
     27 #include "rtc_base/physical_socket_server.h"
     28 #include "rtc_base/socket_address.h"
     29 #include "rtc_base/thread.h"
     30 
     31 namespace {
     32 const char kSoftware[] = "libjingle TurnServer";
     33 
     34 class TurnFileAuth : public webrtc::TurnAuthInterface {
     35 public:
     36  explicit TurnFileAuth(std::map<std::string, std::string> name_to_key)
     37      : name_to_key_(std::move(name_to_key)) {}
     38 
     39  bool GetKey(absl::string_view username,
     40              absl::string_view realm,
     41              std::string* key) override {
     42    // File is stored as lines of <username>=<HA1>.
     43    // Generate HA1 via "echo -n "<username>:<realm>:<password>" | md5sum"
     44    auto it = name_to_key_.find(std::string(username));
     45    if (it == name_to_key_.end())
     46      return false;
     47    *key = it->second;
     48    return true;
     49  }
     50 
     51 private:
     52  const std::map<std::string, std::string> name_to_key_;
     53 };
     54 
     55 }  // namespace
     56 
     57 int main(int argc, char* argv[]) {
     58  if (argc != 5) {
     59    std::cerr << "usage: turnserver int-addr ext-ip realm auth-file"
     60              << std::endl;
     61    return 1;
     62  }
     63 
     64  webrtc::SocketAddress int_addr;
     65  if (!int_addr.FromString(argv[1])) {
     66    std::cerr << "Unable to parse IP address: " << argv[1] << std::endl;
     67    return 1;
     68  }
     69 
     70  webrtc::IPAddress ext_addr;
     71  if (!webrtc::IPFromString(argv[2], &ext_addr)) {
     72    std::cerr << "Unable to parse IP address: " << argv[2] << std::endl;
     73    return 1;
     74  }
     75 
     76  const webrtc::Environment env = webrtc::CreateEnvironment();
     77  webrtc::PhysicalSocketServer socket_server;
     78  webrtc::AutoSocketServerThread main(&socket_server);
     79  std::unique_ptr<webrtc::AsyncUDPSocket> int_socket =
     80      webrtc::AsyncUDPSocket::Create(env, int_addr, socket_server);
     81  if (!int_socket) {
     82    std::cerr << "Failed to create a UDP socket bound at" << int_addr.ToString()
     83              << std::endl;
     84    return 1;
     85  }
     86 
     87  webrtc::TurnServer server(env, &main);
     88  std::fstream auth_file(argv[4], std::fstream::in);
     89 
     90  TurnFileAuth auth(auth_file.is_open()
     91                        ? webrtc_examples::ReadAuthFile(&auth_file)
     92                        : std::map<std::string, std::string>());
     93  server.set_realm(argv[3]);
     94  server.set_software(kSoftware);
     95  server.set_auth_hook(&auth);
     96  server.AddInternalSocket(std::move(int_socket), webrtc::PROTO_UDP);
     97  server.SetExternalSocketFactory(
     98      new webrtc::BasicPacketSocketFactory(&socket_server),
     99      webrtc::SocketAddress(ext_addr, 0));
    100 
    101  std::cout << "Listening internally at " << int_addr.ToString() << std::endl;
    102 
    103  main.Run();
    104  return 0;
    105 }