add initial connection timeout for i2ptunnel

This commit is contained in:
Jeff Becker 2017-08-31 12:08:22 -04:00
parent 416589cc93
commit 1ea6d2016d
No known key found for this signature in database
GPG key ID: F357B3B42F6F9B05
6 changed files with 408 additions and 298 deletions

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@ -14,19 +14,19 @@ namespace client
static void I2PTunnelSetSocketOptions(std::shared_ptr<boost::asio::ip::tcp::socket> socket)
{
if (socket && socket->is_open())
{
{
boost::asio::socket_base::receive_buffer_size option(I2P_TUNNEL_CONNECTION_BUFFER_SIZE);
socket->set_option(option);
}
}
I2PTunnelConnection::I2PTunnelConnection (I2PService * owner, std::shared_ptr<boost::asio::ip::tcp::socket> socket,
std::shared_ptr<const i2p::data::LeaseSet> leaseSet, int port):
std::shared_ptr<const i2p::data::LeaseSet> leaseSet, int port):
I2PServiceHandler(owner), m_Socket (socket), m_RemoteEndpoint (socket->remote_endpoint ()),
m_IsQuiet (true)
{
m_Stream = GetOwner()->GetLocalDestination ()->CreateStream (leaseSet, port);
}
}
I2PTunnelConnection::I2PTunnelConnection (I2PService * owner,
std::shared_ptr<boost::asio::ip::tcp::socket> socket, std::shared_ptr<i2p::stream::Stream> stream):
@ -44,15 +44,15 @@ namespace client
I2PTunnelConnection::~I2PTunnelConnection ()
{
}
}
void I2PTunnelConnection::I2PConnect (const uint8_t * msg, size_t len)
{
if (m_Stream)
{
if (msg)
m_Stream->Send (msg, len); // connect and send
else
else
m_Stream->Send (m_Buffer, 0); // connect
}
StreamReceive ();
@ -68,11 +68,11 @@ namespace client
boost::asio::ip::address ourIP = boost::asio::ip::address_v4 (bytes);
return ourIP;
}
static void MapToLoopback(const std::shared_ptr<boost::asio::ip::tcp::socket> & sock, const i2p::data::IdentHash & addr)
{
// bind to 127.x.x.x address
// bind to 127.x.x.x address
// where x.x.x are first three bytes from ident
auto ourIP = GetLoopbackAddressFor(addr);
sock->bind (boost::asio::ip::tcp::endpoint (ourIP, 0));
@ -82,7 +82,7 @@ namespace client
void I2PTunnelConnection::Connect (bool isUniqueLocal)
{
I2PTunnelSetSocketOptions(m_Socket);
if (m_Socket)
if (m_Socket)
{
#ifdef __linux__
if (isUniqueLocal && m_RemoteEndpoint.address ().is_v4 () &&
@ -96,8 +96,8 @@ namespace client
m_Socket->async_connect (m_RemoteEndpoint, std::bind (&I2PTunnelConnection::HandleConnect,
shared_from_this (), std::placeholders::_1));
}
}
}
void I2PTunnelConnection::Terminate ()
{
if (Kill()) return;
@ -105,21 +105,21 @@ namespace client
{
m_Stream->Close ();
m_Stream.reset ();
}
}
boost::system::error_code ec;
m_Socket->shutdown(boost::asio::ip::tcp::socket::shutdown_send, ec); // avoid RST
m_Socket->close ();
Done(shared_from_this ());
}
}
void I2PTunnelConnection::Receive ()
{
m_Socket->async_read_some (boost::asio::buffer(m_Buffer, I2P_TUNNEL_CONNECTION_BUFFER_SIZE),
std::bind(&I2PTunnelConnection::HandleReceived, shared_from_this (),
m_Socket->async_read_some (boost::asio::buffer(m_Buffer, I2P_TUNNEL_CONNECTION_BUFFER_SIZE),
std::bind(&I2PTunnelConnection::HandleReceived, shared_from_this (),
std::placeholders::_1, std::placeholders::_2));
}
}
void I2PTunnelConnection::HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
if (ecode)
@ -131,9 +131,9 @@ namespace client
}
}
else
{
{
if (m_Stream)
{
{
auto s = shared_from_this ();
m_Stream->AsyncSend (m_Buffer, bytes_transferred,
[s](const boost::system::error_code& ecode)
@ -143,9 +143,9 @@ namespace client
else
s->Terminate ();
});
}
}
}
}
}
void I2PTunnelConnection::HandleWrite (const boost::system::error_code& ecode)
{
@ -165,12 +165,12 @@ namespace client
{
if (m_Stream->GetStatus () == i2p::stream::eStreamStatusNew ||
m_Stream->GetStatus () == i2p::stream::eStreamStatusOpen) // regular
{
{
m_Stream->AsyncReceive (boost::asio::buffer (m_StreamBuffer, I2P_TUNNEL_CONNECTION_BUFFER_SIZE),
std::bind (&I2PTunnelConnection::HandleStreamReceive, shared_from_this (),
std::placeholders::_1, std::placeholders::_2),
I2P_TUNNEL_CONNECTION_MAX_IDLE);
}
}
else // closed by peer
{
// get remaning data
@ -178,10 +178,10 @@ namespace client
if (len > 0) // still some data
Write (m_StreamBuffer, len);
else // no more data
Terminate ();
}
}
}
Terminate ();
}
}
}
void I2PTunnelConnection::HandleStreamReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
@ -231,8 +231,8 @@ namespace client
memcpy (m_StreamBuffer, dest.c_str (), dest.size ());
}
HandleStreamReceive (boost::system::error_code (), dest.size ());
}
Receive ();
}
Receive ();
}
}
@ -253,20 +253,20 @@ namespace client
{
if (line == "\r") endOfHeader = true;
else
{
{
if (!m_ConnectionSent && !line.compare(0, 10, "Connection"))
{
{
m_OutHeader << "Connection: close\r\n";
m_ConnectionSent = true;
}
}
else if (!m_ProxyConnectionSent && !line.compare(0, 16, "Proxy-Connection"))
{
{
m_OutHeader << "Proxy-Connection: close\r\n";
m_ProxyConnectionSent = true;
}
}
else
m_OutHeader << line << "\n";
}
}
}
else
break;
@ -283,10 +283,10 @@ namespace client
I2PTunnelConnection::Write ((uint8_t *)m_OutHeader.str ().c_str (), m_OutHeader.str ().length ());
}
}
}
}
I2PServerTunnelConnectionHTTP::I2PServerTunnelConnectionHTTP (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
std::shared_ptr<boost::asio::ip::tcp::socket> socket,
std::shared_ptr<boost::asio::ip::tcp::socket> socket,
const boost::asio::ip::tcp::endpoint& target, const std::string& host):
I2PTunnelConnection (owner, stream, socket, target), m_Host (host), m_HeaderSent (false), m_From (stream->GetRemoteIdentity ())
{
@ -297,7 +297,7 @@ namespace client
if (m_HeaderSent)
I2PTunnelConnection::Write (buf, len);
else
{
{
m_InHeader.clear ();
m_InHeader.write ((const char *)buf, len);
std::string line;
@ -309,12 +309,12 @@ namespace client
{
if (line == "\r") endOfHeader = true;
else
{
{
if (m_Host.length () > 0 && line.find ("Host:") != std::string::npos)
m_OutHeader << "Host: " << m_Host << "\r\n"; // override host
else
m_OutHeader << line << "\n";
}
}
}
else
break;
@ -335,13 +335,13 @@ namespace client
m_HeaderSent = true;
I2PTunnelConnection::Write ((uint8_t *)m_OutHeader.str ().c_str (), m_OutHeader.str ().length ());
}
}
}
}
I2PTunnelConnectionIRC::I2PTunnelConnectionIRC (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
std::shared_ptr<boost::asio::ip::tcp::socket> socket,
std::shared_ptr<boost::asio::ip::tcp::socket> socket,
const boost::asio::ip::tcp::endpoint& target, const std::string& webircpass):
I2PTunnelConnection (owner, stream, socket, target), m_From (stream->GetRemoteIdentity ()),
I2PTunnelConnection (owner, stream, socket, target), m_From (stream->GetRemoteIdentity ()),
m_NeedsWebIrc (webircpass.length() ? true : false), m_WebircPass (webircpass)
{
}
@ -349,7 +349,7 @@ namespace client
void I2PTunnelConnectionIRC::Write (const uint8_t * buf, size_t len)
{
m_OutPacket.str ("");
if (m_NeedsWebIrc)
if (m_NeedsWebIrc)
{
m_NeedsWebIrc = false;
m_OutPacket << "WEBIRC " << m_WebircPass << " cgiirc " << context.GetAddressBook ().ToAddress (m_From->GetIdentHash ()) << " " << GetSocket ()->local_endpoint ().address () << std::endl;
@ -357,12 +357,12 @@ namespace client
m_InPacket.clear ();
m_InPacket.write ((const char *)buf, len);
while (!m_InPacket.eof () && !m_InPacket.fail ())
{
std::string line;
std::getline (m_InPacket, line);
if (line.length () == 0 && m_InPacket.eof ())
if (line.length () == 0 && m_InPacket.eof ())
m_InPacket.str ("");
auto pos = line.find ("USER");
if (!pos) // start of line
@ -375,7 +375,7 @@ namespace client
m_OutPacket << line.substr (0, pos);
m_OutPacket << context.GetAddressBook ().ToAddress (m_From->GetIdentHash ());
m_OutPacket << line.substr (nextpos) << '\n';
}
}
else
m_OutPacket << line << '\n';
}
@ -389,7 +389,7 @@ namespace client
public:
I2PClientTunnelHandler (I2PClientTunnel * parent, i2p::data::IdentHash destination,
int destinationPort, std::shared_ptr<boost::asio::ip::tcp::socket> socket):
I2PServiceHandler(parent), m_DestinationIdentHash(destination),
I2PServiceHandler(parent), m_DestinationIdentHash(destination),
m_DestinationPort (destinationPort), m_Socket(socket) {};
void Handle();
void Terminate();
@ -402,8 +402,8 @@ namespace client
void I2PClientTunnelHandler::Handle()
{
GetOwner()->GetLocalDestination ()->CreateStream (
std::bind (&I2PClientTunnelHandler::HandleStreamRequestComplete, shared_from_this(), std::placeholders::_1),
GetOwner()->CreateStream (
std::bind (&I2PClientTunnelHandler::HandleStreamRequestComplete, shared_from_this(), std::placeholders::_1),
m_DestinationIdentHash, m_DestinationPort);
}
@ -436,12 +436,12 @@ namespace client
Done(shared_from_this());
}
I2PClientTunnel::I2PClientTunnel (const std::string& name, const std::string& destination,
const std::string& address, int port, std::shared_ptr<ClientDestination> localDestination, int destinationPort):
TCPIPAcceptor (address, port, localDestination), m_Name (name), m_Destination (destination),
m_DestinationIdentHash (nullptr), m_DestinationPort (destinationPort)
I2PClientTunnel::I2PClientTunnel (const std::string& name, const std::string& destination,
const std::string& address, int port, std::shared_ptr<ClientDestination> localDestination, int destinationPort):
TCPIPAcceptor (address, port, localDestination), m_Name (name), m_Destination (destination),
m_DestinationIdentHash (nullptr), m_DestinationPort (destinationPort)
{
}
}
void I2PClientTunnel::Start ()
{
@ -480,8 +480,8 @@ namespace client
return nullptr;
}
I2PServerTunnel::I2PServerTunnel (const std::string& name, const std::string& address,
int port, std::shared_ptr<ClientDestination> localDestination, int inport, bool gzip):
I2PServerTunnel::I2PServerTunnel (const std::string& name, const std::string& address,
int port, std::shared_ptr<ClientDestination> localDestination, int inport, bool gzip):
I2PService (localDestination), m_IsUniqueLocal(true), m_Name (name), m_Address (address), m_Port (port), m_IsAccessList (false)
{
m_PortDestination = localDestination->CreateStreamingDestination (inport > 0 ? inport : port, gzip);
@ -489,10 +489,10 @@ namespace client
void I2PServerTunnel::Start ()
{
m_Endpoint.port (m_Port);
m_Endpoint.port (m_Port);
boost::system::error_code ec;
auto addr = boost::asio::ip::address::from_string (m_Address, ec);
if (!ec)
if (!ec)
{
m_Endpoint.address (addr);
Accept ();
@ -500,27 +500,27 @@ namespace client
else
{
auto resolver = std::make_shared<boost::asio::ip::tcp::resolver>(GetService ());
resolver->async_resolve (boost::asio::ip::tcp::resolver::query (m_Address, ""),
std::bind (&I2PServerTunnel::HandleResolve, this,
resolver->async_resolve (boost::asio::ip::tcp::resolver::query (m_Address, ""),
std::bind (&I2PServerTunnel::HandleResolve, this,
std::placeholders::_1, std::placeholders::_2, resolver));
}
}
}
void I2PServerTunnel::Stop ()
{
ClearHandlers ();
}
}
void I2PServerTunnel::HandleResolve (const boost::system::error_code& ecode, boost::asio::ip::tcp::resolver::iterator it,
void I2PServerTunnel::HandleResolve (const boost::system::error_code& ecode, boost::asio::ip::tcp::resolver::iterator it,
std::shared_ptr<boost::asio::ip::tcp::resolver> resolver)
{
{
if (!ecode)
{
{
auto addr = (*it).endpoint ().address ();
LogPrint (eLogInfo, "I2PTunnel: server tunnel ", (*it).host_name (), " has been resolved to ", addr);
m_Endpoint.address (addr);
Accept ();
}
Accept ();
}
else
LogPrint (eLogError, "I2PTunnel: Unable to resolve server tunnel address: ", ecode.message ());
}
@ -528,7 +528,7 @@ namespace client
void I2PServerTunnel::SetAccessList (const std::set<i2p::data::IdentHash>& accessList)
{
m_AccessList = accessList;
m_IsAccessList = true;
m_IsAccessList = true;
}
void I2PServerTunnel::Accept ()
@ -536,7 +536,7 @@ namespace client
if (m_PortDestination)
m_PortDestination->SetAcceptor (std::bind (&I2PServerTunnel::HandleAccept, this, std::placeholders::_1));
auto localDestination = GetLocalDestination ();
auto localDestination = GetLocalDestination ();
if (localDestination)
{
if (!localDestination->IsAcceptingStreams ()) // set it as default if not set yet
@ -549,7 +549,7 @@ namespace client
void I2PServerTunnel::HandleAccept (std::shared_ptr<i2p::stream::Stream> stream)
{
if (stream)
{
{
if (m_IsAccessList)
{
if (!m_AccessList.count (stream->GetRemoteIdentity ()->GetIdentHash ()))
@ -563,31 +563,31 @@ namespace client
auto conn = CreateI2PConnection (stream);
AddHandler (conn);
conn->Connect (m_IsUniqueLocal);
}
}
}
std::shared_ptr<I2PTunnelConnection> I2PServerTunnel::CreateI2PConnection (std::shared_ptr<i2p::stream::Stream> stream)
{
return std::make_shared<I2PTunnelConnection> (this, stream, std::make_shared<boost::asio::ip::tcp::socket> (GetService ()), GetEndpoint ());
}
I2PServerTunnelHTTP::I2PServerTunnelHTTP (const std::string& name, const std::string& address,
int port, std::shared_ptr<ClientDestination> localDestination,
I2PServerTunnelHTTP::I2PServerTunnelHTTP (const std::string& name, const std::string& address,
int port, std::shared_ptr<ClientDestination> localDestination,
const std::string& host, int inport, bool gzip):
I2PServerTunnel (name, address, port, localDestination, inport, gzip),
I2PServerTunnel (name, address, port, localDestination, inport, gzip),
m_Host (host)
{
}
std::shared_ptr<I2PTunnelConnection> I2PServerTunnelHTTP::CreateI2PConnection (std::shared_ptr<i2p::stream::Stream> stream)
{
return std::make_shared<I2PServerTunnelConnectionHTTP> (this, stream,
return std::make_shared<I2PServerTunnelConnectionHTTP> (this, stream,
std::make_shared<boost::asio::ip::tcp::socket> (GetService ()), GetEndpoint (), m_Host);
}
I2PServerTunnelIRC::I2PServerTunnelIRC (const std::string& name, const std::string& address,
int port, std::shared_ptr<ClientDestination> localDestination,
I2PServerTunnelIRC::I2PServerTunnelIRC (const std::string& name, const std::string& address,
int port, std::shared_ptr<ClientDestination> localDestination,
const std::string& webircpass, int inport, bool gzip):
I2PServerTunnel (name, address, port, localDestination, inport, gzip),
m_WebircPass (webircpass)
@ -631,7 +631,7 @@ namespace client
m_Sessions.erase(port);
}
}
UDPSessionPtr I2PUDPServerTunnel::ObtainUDPSession(const i2p::data::IdentityEx& from, uint16_t localPort, uint16_t remotePort)
{
auto ih = from.GetIdentHash();
@ -646,12 +646,12 @@ namespace client
}
boost::asio::ip::address addr;
/** create new udp session */
if(m_IsUniqueLocal && m_LocalAddress.is_loopback())
if(m_IsUniqueLocal && m_LocalAddress.is_loopback())
{
auto ident = from.GetIdentHash();
addr = GetLoopbackAddressFor(ident);
}
else
}
else
addr = m_LocalAddress;
boost::asio::ip::udp::endpoint ep(addr, 0);
m_Sessions.push_back(std::make_shared<UDPSession>(ep, m_LocalDest, m_RemoteEndpoint, &ih, localPort, remotePort));
@ -680,7 +680,7 @@ namespace client
IPSocket.async_receive_from(boost::asio::buffer(m_Buffer, I2P_UDP_MAX_MTU),
FromEndpoint, std::bind(&UDPSession::HandleReceived, this, std::placeholders::_1, std::placeholders::_2));
}
void UDPSession::HandleReceived(const boost::system::error_code & ecode, std::size_t len)
{
if(!ecode)
@ -694,8 +694,8 @@ namespace client
}
}
I2PUDPServerTunnel::I2PUDPServerTunnel(const std::string & name, std::shared_ptr<i2p::client::ClientDestination> localDestination,
boost::asio::ip::address localAddress, boost::asio::ip::udp::endpoint forwardTo, uint16_t port) :
m_IsUniqueLocal(true),
@ -713,7 +713,7 @@ namespace client
{
auto dgram = m_LocalDest->GetDatagramDestination();
if (dgram) dgram->ResetReceiver();
LogPrint(eLogInfo, "UDPServer: done");
}
@ -742,7 +742,7 @@ namespace client
}
return sessions;
}
I2PUDPClientTunnel::I2PUDPClientTunnel(const std::string & name, const std::string &remoteDest,
boost::asio::ip::udp::endpoint localEndpoint,
std::shared_ptr<i2p::client::ClientDestination> localDestination,
@ -764,8 +764,8 @@ namespace client
std::placeholders::_5));
}
void I2PUDPClientTunnel::Start() {
m_LocalDest->Start();
if (m_ResolveThread == nullptr)
@ -803,14 +803,14 @@ namespace client
m_Sessions[remotePort].second = i2p::util::GetMillisecondsSinceEpoch();
RecvFromLocal();
}
std::vector<std::shared_ptr<DatagramSessionInfo> > I2PUDPClientTunnel::GetSessions()
{
// TODO: implement
std::vector<std::shared_ptr<DatagramSessionInfo> > infos;
return infos;
}
void I2PUDPClientTunnel::TryResolving() {
LogPrint(eLogInfo, "UDP Tunnel: Trying to resolve ", m_RemoteDest);
i2p::data::IdentHash * h = new i2p::data::IdentHash;
@ -846,11 +846,11 @@ namespace client
}
}
else
LogPrint(eLogWarning, "UDP Client: not tracking udp session using port ", (int) toPort);
LogPrint(eLogWarning, "UDP Client: not tracking udp session using port ", (int) toPort);
}
else
LogPrint(eLogWarning, "UDP Client: unwarrented traffic from ", from.GetIdentHash().ToBase32());
}
I2PUDPClientTunnel::~I2PUDPClientTunnel() {
@ -858,7 +858,7 @@ namespace client
if (dgram) dgram->ResetReceiver();
m_Sessions.clear();
if(m_LocalSocket.is_open())
m_LocalSocket.close();