1/*
2 * libjingle
3 * Copyright 2004--2005, 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 <time.h>
29#include <iomanip>
30#include <cstdio>
31#include <cstring>
32#include <vector>
33#include "talk/base/logging.h"
34#include "talk/base/flags.h"
35#include "talk/base/pathutils.h"
36#include "talk/base/stream.h"
37#include "talk/base/ssladapter.h"
38#include "talk/base/win32socketserver.h"
39#include "talk/p2p/base/constants.h"
40#include "talk/xmpp/xmppclientsettings.h"
41#include "talk/examples/login/xmppthread.h"
42#include "talk/examples/login/xmppauth.h"
43#include "talk/examples/login/xmpppump.h"
44#include "talk/examples/call/callclient.h"
45#include "talk/examples/call/console.h"
46#include "talk/session/phone/filemediaengine.h"
47#include "talk/session/phone/mediasessionclient.h"
48
49class DebugLog : public sigslot::has_slots<> {
50 public:
51  DebugLog() :
52    debug_input_buf_(NULL), debug_input_len_(0), debug_input_alloc_(0),
53    debug_output_buf_(NULL), debug_output_len_(0), debug_output_alloc_(0),
54    censor_password_(false)
55      {}
56  char * debug_input_buf_;
57  int debug_input_len_;
58  int debug_input_alloc_;
59  char * debug_output_buf_;
60  int debug_output_len_;
61  int debug_output_alloc_;
62  bool censor_password_;
63
64  void Input(const char * data, int len) {
65    if (debug_input_len_ + len > debug_input_alloc_) {
66      char * old_buf = debug_input_buf_;
67      debug_input_alloc_ = 4096;
68      while (debug_input_alloc_ < debug_input_len_ + len) {
69        debug_input_alloc_ *= 2;
70      }
71      debug_input_buf_ = new char[debug_input_alloc_];
72      memcpy(debug_input_buf_, old_buf, debug_input_len_);
73      delete[] old_buf;
74    }
75    memcpy(debug_input_buf_ + debug_input_len_, data, len);
76    debug_input_len_ += len;
77    DebugPrint(debug_input_buf_, &debug_input_len_, false);
78  }
79
80  void Output(const char * data, int len) {
81    if (debug_output_len_ + len > debug_output_alloc_) {
82      char * old_buf = debug_output_buf_;
83      debug_output_alloc_ = 4096;
84      while (debug_output_alloc_ < debug_output_len_ + len) {
85        debug_output_alloc_ *= 2;
86      }
87      debug_output_buf_ = new char[debug_output_alloc_];
88      memcpy(debug_output_buf_, old_buf, debug_output_len_);
89      delete[] old_buf;
90    }
91    memcpy(debug_output_buf_ + debug_output_len_, data, len);
92    debug_output_len_ += len;
93    DebugPrint(debug_output_buf_, &debug_output_len_, true);
94  }
95
96  static bool IsAuthTag(const char * str, size_t len) {
97    if (str[0] == '<' && str[1] == 'a' &&
98                         str[2] == 'u' &&
99                         str[3] == 't' &&
100                         str[4] == 'h' &&
101                         str[5] <= ' ') {
102      std::string tag(str, len);
103
104      if (tag.find("mechanism") != std::string::npos)
105        return true;
106    }
107    return false;
108  }
109
110  void DebugPrint(char * buf, int * plen, bool output) {
111    int len = *plen;
112    if (len > 0) {
113      time_t tim = time(NULL);
114      struct tm * now = localtime(&tim);
115      char *time_string = asctime(now);
116      if (time_string) {
117        size_t time_len = strlen(time_string);
118        if (time_len > 0) {
119          time_string[time_len-1] = 0;    // trim off terminating \n
120        }
121      }
122      LOG(INFO) << (output ? "SEND >>>>>>>>>>>>>>>>" : "RECV <<<<<<<<<<<<<<<<")
123                << " : " << time_string;
124
125      bool indent;
126      int start = 0, nest = 3;
127      for (int i = 0; i < len; i += 1) {
128        if (buf[i] == '>') {
129          if ((i > 0) && (buf[i-1] == '/')) {
130            indent = false;
131          } else if ((start + 1 < len) && (buf[start + 1] == '/')) {
132            indent = false;
133            nest -= 2;
134          } else {
135            indent = true;
136          }
137
138          // Output a tag
139          LOG(INFO) << std::setw(nest) << " "
140                    << std::string(buf + start, i + 1 - start);
141
142          if (indent)
143            nest += 2;
144
145          // Note if it's a PLAIN auth tag
146          if (IsAuthTag(buf + start, i + 1 - start)) {
147            censor_password_ = true;
148          }
149
150          // incr
151          start = i + 1;
152        }
153
154        if (buf[i] == '<' && start < i) {
155          if (censor_password_) {
156            LOG(INFO) << std::setw(nest) << " " << "## TEXT REMOVED ##";
157            censor_password_ = false;
158          } else {
159            LOG(INFO) << std::setw(nest) << " "
160                      << std::string(buf + start, i - start);
161          }
162          start = i;
163        }
164      }
165      len = len - start;
166      memcpy(buf, buf + start, len);
167      *plen = len;
168    }
169  }
170};
171
172static DebugLog debug_log_;
173static const int DEFAULT_PORT = 5222;
174
175
176cricket::MediaEngine* CreateFileMediaEngine(const char* voice_in,
177                                            const char* voice_out,
178                                            const char* video_in,
179                                            const char* video_out) {
180  cricket::FileMediaEngine* file_media_engine = new cricket::FileMediaEngine;
181  // Set the RTP dump file names.
182  if (voice_in) {
183    file_media_engine->set_voice_input_filename(voice_in);
184  }
185  if (voice_out) {
186    file_media_engine->set_voice_output_filename(voice_out);
187  }
188  if (video_in) {
189    file_media_engine->set_video_input_filename(video_in);
190  }
191  if (video_out) {
192    file_media_engine->set_video_output_filename(video_out);
193  }
194
195  // Set voice and video codecs. TODO: The codecs actually depend on
196  // the the input voice and video streams.
197  std::vector<cricket::AudioCodec> voice_codecs;
198  voice_codecs.push_back(
199      cricket::AudioCodec(9, "G722", 16000, 0, 1, 0));
200  file_media_engine->set_voice_codecs(voice_codecs);
201  std::vector<cricket::VideoCodec> video_codecs;
202  video_codecs.push_back(
203      cricket::VideoCodec(97, "H264", 320, 240, 30, 0));
204  file_media_engine->set_video_codecs(video_codecs);
205
206  return file_media_engine;
207}
208
209int main(int argc, char **argv) {
210  // This app has three threads. The main thread will run the XMPP client,
211  // which will print to the screen in its own thread. A second thread
212  // will get input from the console, parse it, and pass the appropriate
213  // message back to the XMPP client's thread. A third thread is used
214  // by MediaSessionClient as its worker thread.
215
216  // define options
217  DEFINE_bool(a, false, "Turn on auto accept.");
218  DEFINE_bool(d, false, "Turn on debugging.");
219  DEFINE_string(
220      protocol, "hybrid",
221      "Initial signaling protocol to use: jingle, gingle, or hybrid.");
222  DEFINE_string(
223      secure, "disable",
224      "Disable or enable encryption: disable, enable, require.");
225  DEFINE_bool(testserver, false, "Use test server");
226  DEFINE_bool(plainserver, false, "Turn off tls and allow plain password.");
227  DEFINE_int(portallocator, 0, "Filter out unwanted connection types.");
228  DEFINE_string(filterhost, NULL, "Filter out the host from all candidates.");
229  DEFINE_string(pmuc, "groupchat.google.com", "The persistant muc domain.");
230  DEFINE_string(s, "talk.google.com", "The connection server to use.");
231  DEFINE_string(voiceinput, NULL, "RTP dump file for voice input.");
232  DEFINE_string(voiceoutput, NULL, "RTP dump file for voice output.");
233  DEFINE_string(videoinput, NULL, "RTP dump file for video input.");
234  DEFINE_string(videooutput, NULL, "RTP dump file for video output.");
235  DEFINE_bool(help, false, "Prints this message");
236
237  // parse options
238  FlagList::SetFlagsFromCommandLine(&argc, argv, true);
239  if (FLAG_help) {
240    FlagList::Print(NULL, false);
241    return 0;
242  }
243
244  bool auto_accept = FLAG_a;
245  bool debug = FLAG_d;
246  std::string protocol = FLAG_protocol;
247  bool test_server = FLAG_testserver;
248  bool plain_server = FLAG_plainserver;
249  int32 portallocator_flags = FLAG_portallocator;
250  std::string pmuc_domain = FLAG_pmuc;
251  std::string server = FLAG_s;
252  std::string secure = FLAG_secure;
253
254  cricket::SignalingProtocol initial_protocol = cricket::PROTOCOL_HYBRID;
255  if (protocol == "jingle") {
256    initial_protocol = cricket::PROTOCOL_JINGLE;
257  } else if (protocol == "gingle") {
258    initial_protocol = cricket::PROTOCOL_GINGLE;
259  } else if (protocol == "hybrid") {
260    initial_protocol = cricket::PROTOCOL_HYBRID;
261  } else {
262    printf("Invalid protocol.  Must be jingle, gingle, or hybrid.\n");
263    return 1;
264  }
265
266  cricket::SecureMediaPolicy secure_policy = cricket::SEC_DISABLED;
267  if (secure == "disable") {
268    secure_policy = cricket::SEC_DISABLED;
269  } else if (secure == "enable") {
270    secure_policy = cricket::SEC_ENABLED;
271  } else if (secure == "require") {
272    secure_policy = cricket::SEC_REQUIRED;
273  } else {
274    printf("Invalid encryption.  Must be enable, disable, or require.\n");
275    return 1;
276  }
277
278  // parse username and password, if present
279  buzz::Jid jid;
280  std::string username;
281  talk_base::InsecureCryptStringImpl pass;
282  if (argc > 1) {
283    username = argv[1];
284    if (argc > 2) {
285      pass.password() = argv[2];
286    }
287  }
288
289  if (debug)
290    talk_base::LogMessage::LogToDebug(talk_base::LS_VERBOSE);
291
292  if (username.empty()) {
293    std::cout << "JID: ";
294    std::cin >> username;
295  }
296  if (username.find('@') == std::string::npos) {
297    username.append("@localhost");
298  }
299  jid = buzz::Jid(username);
300  if (!jid.IsValid() || jid.node() == "") {
301    printf("Invalid JID. JIDs should be in the form user@domain\n");
302    return 1;
303  }
304  if (pass.password().empty() && !test_server) {
305    Console::SetEcho(false);
306    std::cout << "Password: ";
307    std::cin >> pass.password();
308    Console::SetEcho(true);
309    std::cout << std::endl;
310  }
311
312  buzz::XmppClientSettings xcs;
313  xcs.set_user(jid.node());
314  xcs.set_resource("call");
315  xcs.set_host(jid.domain());
316  xcs.set_use_tls(!test_server);
317
318  if (plain_server) {
319    xcs.set_use_tls(false);
320    xcs.set_allow_plain(true);
321  }
322  if (test_server) {
323    pass.password() = jid.node();
324    xcs.set_allow_plain(true);
325  }
326  xcs.set_pass(talk_base::CryptString(pass));
327
328  std::string host;
329  int port;
330
331  int colon = server.find(':');
332  if (colon == -1) {
333    host = server;
334    port = DEFAULT_PORT;
335  } else {
336    host = server.substr(0, colon);
337    port = atoi(server.substr(colon + 1).c_str());
338  }
339
340  xcs.set_server(talk_base::SocketAddress(host, port));
341  printf("Logging in to %s as %s\n", server.c_str(), jid.Str().c_str());
342
343  talk_base::InitializeSSL();
344
345
346#if WIN32
347  // Need to pump messages on our main thread on Windows.
348  talk_base::Win32Thread w32_thread;
349  talk_base::ThreadManager::SetCurrent(&w32_thread);
350#endif
351  talk_base::Thread* main_thread = talk_base::Thread::Current();
352
353  XmppPump pump;
354  CallClient *client = new CallClient(pump.client());
355
356  if (FLAG_voiceinput || FLAG_voiceoutput ||
357      FLAG_videoinput || FLAG_videooutput) {
358    // If any dump file is specified, we use FileMediaEngine.
359    cricket::MediaEngine* engine = CreateFileMediaEngine(FLAG_voiceinput,
360                                                         FLAG_voiceoutput,
361                                                         FLAG_videoinput,
362                                                         FLAG_videooutput);
363    // The engine will be released by the client later.
364    client->SetMediaEngine(engine);
365  }
366
367  Console *console = new Console(main_thread, client);
368  client->SetConsole(console);
369  client->SetAutoAccept(auto_accept);
370  client->SetPmucDomain(pmuc_domain);
371  client->SetPortAllocatorFlags(portallocator_flags);
372  client->SetAllowLocalIps(true);
373  client->SetInitialProtocol(initial_protocol);
374  client->SetSecurePolicy(secure_policy);
375  console->Start();
376
377  if (debug) {
378    pump.client()->SignalLogInput.connect(&debug_log_, &DebugLog::Input);
379    pump.client()->SignalLogOutput.connect(&debug_log_, &DebugLog::Output);
380  }
381
382  pump.DoLogin(xcs, new XmppSocket(true), NULL);
383  main_thread->Run();
384  pump.DoDisconnect();
385
386  console->Stop();
387  delete console;
388  delete client;
389
390  return 0;
391}
392