1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
#include <iostream>
#include <csignal>
#include <string>
#include <asio.hpp>
#ifdef USE_SSL
#include <asio/ssl.hpp>
#endif
#include <boost/bind.hpp>
#include <boost/function.hpp>
#include <boost/lexical_cast.hpp>
#include <rutil/Data.hxx>
#include "reTurnServer.hxx"
#include "TcpServer.hxx"
#include "TlsServer.hxx"
#include "UdpServer.hxx"
#include "ReTurnConfig.hxx"
#include "RequestHandler.hxx"
#include "TurnManager.hxx"
#include <rutil/WinLeakCheck.hxx>
#include <rutil/Log.hxx>
#include <rutil/Logger.hxx>
#include "ReTurnSubsystem.hxx"
#define RESIPROCATE_SUBSYSTEM ReTurnSubsystem::RETURN
#if defined(_WIN32)
boost::function0<void> console_ctrl_function;
BOOL WINAPI console_ctrl_handler(DWORD ctrl_type)
{
switch (ctrl_type)
{
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
case CTRL_CLOSE_EVENT:
case CTRL_SHUTDOWN_EVENT:
console_ctrl_function();
return TRUE;
default:
return FALSE;
}
}
#endif // defined(_WIN32)
int main(int argc, char* argv[])
{
reTurn::ReTurnServerProcess proc;
return proc.main(argc, argv);
}
reTurn::ReTurnServerProcess::ReTurnServerProcess()
{
}
reTurn::ReTurnServerProcess::~ReTurnServerProcess()
{
}
int
reTurn::ReTurnServerProcess::main(int argc, char* argv[])
{
#if defined(WIN32) && defined(_DEBUG) && defined(LEAK_CHECK)
resip::FindMemoryLeaks fml;
#endif
resip::Data defaultConfig("reTurnServer.config");
reTurn::ReTurnConfig reTurnConfig;
try
{
reTurnConfig.parseConfig(argc, argv, defaultConfig);
}
catch(std::exception& e)
{
ErrLog(<< "Exception parsing configuration: " << e.what());
exit(-1);
}
setPidFile(reTurnConfig.mPidFile);
// Daemonize if necessary
if(reTurnConfig.mDaemonize)
{
daemonize();
}
try
{
// Initialize Logging
resip::Log::initialize(reTurnConfig.mLoggingType, reTurnConfig.mLoggingLevel, "reTurnServer", reTurnConfig.mLoggingFilename.c_str());
resip::GenericLogImpl::MaxLineCount = reTurnConfig.mLoggingFileMaxLineCount;
// Initialize server.
asio::io_service ioService; // The one and only ioService for the stunServer
reTurn::TurnManager turnManager(ioService, reTurnConfig); // The one and only Turn Manager
boost::shared_ptr<reTurn::UdpServer> udpTurnServer; // also a1p1StunUdpServer
boost::shared_ptr<reTurn::TcpServer> tcpTurnServer;
boost::shared_ptr<reTurn::TlsServer> tlsTurnServer;
boost::shared_ptr<reTurn::UdpServer> a1p2StunUdpServer;
boost::shared_ptr<reTurn::UdpServer> a2p1StunUdpServer;
boost::shared_ptr<reTurn::UdpServer> a2p2StunUdpServer;
#ifdef USE_IPV6
boost::shared_ptr<reTurn::UdpServer> udpV6TurnServer;
boost::shared_ptr<reTurn::TcpServer> tcpV6TurnServer;
boost::shared_ptr<reTurn::TlsServer> tlsV6TurnServer;
#endif
// The one and only RequestHandler - if altStunPort is non-zero, then assume RFC3489 support is enabled and pass settings to request handler
reTurn::RequestHandler requestHandler(turnManager,
reTurnConfig.mAltStunPort != 0 ? &reTurnConfig.mTurnAddress : 0,
reTurnConfig.mAltStunPort != 0 ? &reTurnConfig.mTurnPort : 0,
reTurnConfig.mAltStunPort != 0 ? &reTurnConfig.mAltStunAddress : 0,
reTurnConfig.mAltStunPort != 0 ? &reTurnConfig.mAltStunPort : 0);
udpTurnServer.reset(new reTurn::UdpServer(ioService, requestHandler, reTurnConfig.mTurnAddress, reTurnConfig.mTurnPort));
tcpTurnServer.reset(new reTurn::TcpServer(ioService, requestHandler, reTurnConfig.mTurnAddress, reTurnConfig.mTurnPort));
if(reTurnConfig.mTlsTurnPort != 0)
{
tlsTurnServer.reset(new reTurn::TlsServer(ioService, requestHandler, reTurnConfig.mTurnAddress, reTurnConfig.mTlsTurnPort));
}
#ifdef USE_IPV6
udpV6TurnServer.reset(new reTurn::UdpServer(ioService, requestHandler, reTurnConfig.mTurnV6Address, reTurnConfig.mTurnPort));
tcpV6TurnServer.reset(new reTurn::TcpServer(ioService, requestHandler, reTurnConfig.mTurnV6Address, reTurnConfig.mTurnPort));
if(reTurnConfig.mTlsTurnPort != 0)
{
tlsV6TurnServer.reset(new reTurn::TlsServer(ioService, requestHandler, reTurnConfig.mTurnV6Address, reTurnConfig.mTlsTurnPort));
}
#endif
if(reTurnConfig.mAltStunPort != 0) // if alt stun port is non-zero, then RFC3489 support is enabled
{
a1p2StunUdpServer.reset(new reTurn::UdpServer(ioService, requestHandler, reTurnConfig.mTurnAddress, reTurnConfig.mAltStunPort));
a2p1StunUdpServer.reset(new reTurn::UdpServer(ioService, requestHandler, reTurnConfig.mAltStunAddress, reTurnConfig.mTurnPort));
a2p2StunUdpServer.reset(new reTurn::UdpServer(ioService, requestHandler, reTurnConfig.mAltStunAddress, reTurnConfig.mAltStunPort));
udpTurnServer->setAlternateUdpServers(a1p2StunUdpServer.get(), a2p1StunUdpServer.get(), a2p2StunUdpServer.get());
a1p2StunUdpServer->setAlternateUdpServers(udpTurnServer.get(), a2p2StunUdpServer.get(), a2p1StunUdpServer.get());
a2p1StunUdpServer->setAlternateUdpServers(a2p2StunUdpServer.get(), udpTurnServer.get(), a1p2StunUdpServer.get());
a2p2StunUdpServer->setAlternateUdpServers(a2p1StunUdpServer.get(), a1p2StunUdpServer.get(), udpTurnServer.get());
a1p2StunUdpServer->start();
a2p1StunUdpServer->start();
a2p2StunUdpServer->start();
}
udpTurnServer->start();
tcpTurnServer->start();
if(tlsTurnServer)
{
tlsTurnServer->start();
}
#ifdef USE_IPV6
udpV6TurnServer->start();
tcpV6TurnServer->start();
if(tlsV6TurnServer)
{
tlsV6TurnServer->start();
}
#endif
// Drop privileges (can do this now that sockets are bound)
if(!reTurnConfig.mRunAsUser.empty())
{
InfoLog( << "Trying to drop privileges, configured uid = " << reTurnConfig.mRunAsUser << " gid = " << reTurnConfig.mRunAsGroup);
dropPrivileges(reTurnConfig.mRunAsUser, reTurnConfig.mRunAsGroup);
}
ReTurnUserFileScanner userFileScanner(ioService, reTurnConfig);
userFileScanner.start();
#ifdef _WIN32
// Set console control handler to allow server to be stopped.
console_ctrl_function = boost::bind(&asio::io_service::stop, &ioService);
SetConsoleCtrlHandler(console_ctrl_handler, TRUE);
#else
// Block all signals for background thread.
sigset_t new_mask;
sigfillset(&new_mask);
sigset_t old_mask;
pthread_sigmask(SIG_BLOCK, &new_mask, &old_mask);
#endif
// Run the ioService until stopped.
// Create a pool of threads to run all of the io_services.
boost::shared_ptr<asio::thread> thread(new asio::thread(
boost::bind(&asio::io_service::run, &ioService)));
#ifndef _WIN32
// Restore previous signals.
pthread_sigmask(SIG_SETMASK, &old_mask, 0);
// Wait for signal indicating time to shut down.
sigset_t wait_mask;
sigemptyset(&wait_mask);
sigaddset(&wait_mask, SIGINT);
sigaddset(&wait_mask, SIGQUIT);
sigaddset(&wait_mask, SIGTERM);
pthread_sigmask(SIG_BLOCK, &wait_mask, 0);
int sig = 0;
sigwait(&wait_mask, &sig);
ioService.stop();
#endif
// Wait for thread to exit
thread->join();
}
catch (std::exception& e)
{
ErrLog(<< "exception: " << e.what());
}
return 0;
}
/* ====================================================================
Copyright (c) 2007-2008, Plantronics, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of Plantronics nor the names of its contributors
may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
==================================================================== */
|
