1 /* 2 * libjingle 3 * Copyright 2012, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <iostream> // NOLINT 29 30 #include "talk/base/asyncudpsocket.h" 31 #include "talk/base/optionsfile.h" 32 #include "talk/base/thread.h" 33 #include "talk/base/stringencode.h" 34 #include "talk/p2p/base/basicpacketsocketfactory.h" 35 #include "talk/p2p/base/turnserver.h" 36 37 static const char kSoftware[] = "libjingle TurnServer"; 38 39 class TurnFileAuth : public cricket::TurnAuthInterface { 40 public: 41 explicit TurnFileAuth(const std::string& path) : file_(path) { 42 file_.Load(); 43 } 44 virtual bool GetKey(const std::string& username, const std::string& realm, 45 std::string* key) { 46 // File is stored as lines of <username>=<HA1>. 47 // Generate HA1 via "echo -n "<username>:<realm>:<password>" | md5sum" 48 std::string hex; 49 bool ret = file_.GetStringValue(username, &hex); 50 if (ret) { 51 char buf[32]; 52 size_t len = talk_base::hex_decode(buf, sizeof(buf), hex); 53 *key = std::string(buf, len); 54 } 55 return ret; 56 } 57 private: 58 talk_base::OptionsFile file_; 59 }; 60 61 int main(int argc, char **argv) { 62 if (argc != 5) { 63 std::cerr << "usage: turnserver int-addr ext-ip realm auth-file" 64 << std::endl; 65 return 1; 66 } 67 68 talk_base::SocketAddress int_addr; 69 if (!int_addr.FromString(argv[1])) { 70 std::cerr << "Unable to parse IP address: " << argv[1] << std::endl; 71 return 1; 72 } 73 74 talk_base::IPAddress ext_addr; 75 if (!IPFromString(argv[2], &ext_addr)) { 76 std::cerr << "Unable to parse IP address: " << argv[2] << std::endl; 77 return 1; 78 } 79 80 talk_base::Thread* main = talk_base::Thread::Current(); 81 talk_base::AsyncUDPSocket* int_socket = 82 talk_base::AsyncUDPSocket::Create(main->socketserver(), int_addr); 83 if (!int_socket) { 84 std::cerr << "Failed to create a UDP socket bound at" 85 << int_addr.ToString() << std::endl; 86 return 1; 87 } 88 89 cricket::TurnServer server(main); 90 TurnFileAuth auth(argv[4]); 91 server.set_realm(argv[3]); 92 server.set_software(kSoftware); 93 server.set_auth_hook(&auth); 94 server.AddInternalSocket(int_socket, cricket::PROTO_UDP); 95 server.SetExternalSocketFactory(new talk_base::BasicPacketSocketFactory(), 96 talk_base::SocketAddress(ext_addr, 0)); 97 98 std::cout << "Listening internally at " << int_addr.ToString() << std::endl; 99 100 main->Run(); 101 return 0; 102 } 103
