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Merge pull request #1359 from rszibele/openssl 

BOB modifications.
pull/1360/head
orignal 6 years ago committed by GitHub
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8e3d16e9fb a03e828317
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7328ffa036
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2 changed files with 267 additions and 118 deletions
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  1. 311
      libi2pd_client/BOB.cpp
  2. 66
      libi2pd_client/BOB.h

311
libi2pd_client/BOB.cpp
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@ -50,7 +50,7 @@ namespace client
void BOBI2PInboundTunnel::ReceiveAddress (std::shared_ptr<AddressReceiver> receiver) void BOBI2PInboundTunnel::ReceiveAddress (std::shared_ptr<AddressReceiver> receiver)
{ {
receiver->socket->async_read_some (boost::asio::buffer( receiver->socket->async_read_some (boost::asio::buffer(
receiver->buffer + receiver->bufferOffset, receiver->buffer + receiver->bufferOffset,
BOB_COMMAND_BUFFER_SIZE - receiver->bufferOffset), BOB_COMMAND_BUFFER_SIZE - receiver->bufferOffset),
std::bind(&BOBI2PInboundTunnel::HandleReceivedAddress, this, std::bind(&BOBI2PInboundTunnel::HandleReceivedAddress, this,
std::placeholders::_1, std::placeholders::_2, receiver)); std::placeholders::_1, std::placeholders::_2, receiver));
@ -119,9 +119,9 @@ namespace client
connection->I2PConnect (receiver->data, receiver->dataLen); connection->I2PConnect (receiver->data, receiver->dataLen);
} }
BOBI2POutboundTunnel::BOBI2POutboundTunnel (const std::string& address, int port, BOBI2POutboundTunnel::BOBI2POutboundTunnel (const std::string& outhost, int port,
std::shared_ptr<ClientDestination> localDestination, bool quiet): BOBI2PTunnel (localDestination), std::shared_ptr<ClientDestination> localDestination, bool quiet): BOBI2PTunnel (localDestination),
m_Endpoint (boost::asio::ip::address::from_string (address), port), m_IsQuiet (quiet) m_Endpoint (boost::asio::ip::address::from_string (outhost), port), m_IsQuiet (quiet)
{ {
} }
@ -154,9 +154,13 @@ namespace client
} }
} }
BOBDestination::BOBDestination (std::shared_ptr<ClientDestination> localDestination): BOBDestination::BOBDestination (std::shared_ptr<ClientDestination> localDestination,
const std::string &nickname, const std::string &inhost, const std::string &outhost,
const int inport, const int outport, const bool quiet):
m_LocalDestination (localDestination), m_LocalDestination (localDestination),
m_OutboundTunnel (nullptr), m_InboundTunnel (nullptr) m_OutboundTunnel (nullptr), m_InboundTunnel (nullptr),
m_Nickname(nickname), m_InHost(inhost), m_OutHost(outhost),
m_InPort(inport), m_OutPort(outport), m_Quiet(quiet)
{ {
} }
@ -195,15 +199,18 @@ namespace client
} }
} }
void BOBDestination::CreateInboundTunnel (int port, const std::string& address) void BOBDestination::CreateInboundTunnel (int port, const std::string& inhost)
{ {
if (!m_InboundTunnel) if (!m_InboundTunnel)
{ {
// update inport and inhost (user can stop tunnel and change)
m_InPort = port;
m_InHost = inhost;
boost::asio::ip::tcp::endpoint ep(boost::asio::ip::tcp::v4(), port); boost::asio::ip::tcp::endpoint ep(boost::asio::ip::tcp::v4(), port);
if (!address.empty ()) if (!inhost.empty ())
{ {
boost::system::error_code ec; boost::system::error_code ec;
auto addr = boost::asio::ip::address::from_string (address, ec); auto addr = boost::asio::ip::address::from_string (inhost, ec);
if (!ec) if (!ec)
ep.address (addr); ep.address (addr);
else else
@ -213,15 +220,21 @@ namespace client
} }
} }
void BOBDestination::CreateOutboundTunnel (const std::string& address, int port, bool quiet) void BOBDestination::CreateOutboundTunnel (const std::string& outhost, int port, bool quiet)
{ {
if (!m_OutboundTunnel) if (!m_OutboundTunnel)
m_OutboundTunnel = new BOBI2POutboundTunnel (address, port, m_LocalDestination, quiet); {
// update outport and outhost (user can stop tunnel and change)
m_OutPort = port;
m_OutHost = outhost;
m_OutboundTunnel = new BOBI2POutboundTunnel (outhost, port, m_LocalDestination, quiet);
}
} }
BOBCommandSession::BOBCommandSession (BOBCommandChannel& owner): BOBCommandSession::BOBCommandSession (BOBCommandChannel& owner):
m_Owner (owner), m_Socket (m_Owner.GetService ()), m_Owner (owner), m_Socket (m_Owner.GetService ()),
m_ReceiveBufferOffset (0), m_IsOpen (true), m_IsQuiet (false), m_IsActive (false), m_ReceiveBuffer(BOB_COMMAND_BUFFER_SIZE + 1), m_SendBuffer(BOB_COMMAND_BUFFER_SIZE + 1),
m_IsOpen (true), m_IsQuiet (false), m_IsActive (false),
m_InPort (0), m_OutPort (0), m_CurrentDestination (nullptr) m_InPort (0), m_OutPort (0), m_CurrentDestination (nullptr)
{ {
} }
@ -238,65 +251,48 @@ namespace client
void BOBCommandSession::Receive () void BOBCommandSession::Receive ()
{ {
m_Socket.async_read_some (boost::asio::buffer(m_ReceiveBuffer + m_ReceiveBufferOffset, BOB_COMMAND_BUFFER_SIZE - m_ReceiveBufferOffset), boost::asio::async_read_until(m_Socket, m_ReceiveBuffer, '\n',
std::bind(&BOBCommandSession::HandleReceived, shared_from_this (), std::bind(&BOBCommandSession::HandleReceivedLine, shared_from_this(),
std::placeholders::_1, std::placeholders::_2)); std::placeholders::_1, std::placeholders::_2));
} }
void BOBCommandSession::HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred) void BOBCommandSession::HandleReceivedLine(const boost::system::error_code& ecode, std::size_t bytes_transferred)
{ {
if (ecode) if(ecode)
{ {
LogPrint (eLogError, "BOB: command channel read error: ", ecode.message ()); LogPrint (eLogError, "BOB: command channel read error: ", ecode.message());
if (ecode != boost::asio::error::operation_aborted) if (ecode != boost::asio::error::operation_aborted)
Terminate (); Terminate ();
} }
else else
{ {
size_t size = m_ReceiveBufferOffset + bytes_transferred; std::string line;
m_ReceiveBuffer[size] = 0;
char * eol = strchr (m_ReceiveBuffer, '\n'); std::istream is(&m_ReceiveBuffer);
if (eol) std::getline(is, line);
{
*eol = 0;
char * operand = strchr (m_ReceiveBuffer, ' ');
if (operand)
{
*operand = 0;
operand++;
}
else
operand = eol;
// process command
auto& handlers = m_Owner.GetCommandHandlers ();
auto it = handlers.find (m_ReceiveBuffer);
if (it != handlers.end ())
(this->*(it->second))(operand, eol - operand);
else
{
LogPrint (eLogError, "BOB: unknown command ", m_ReceiveBuffer);
SendReplyError ("unknown command");
}
m_ReceiveBufferOffset = size - (eol - m_ReceiveBuffer) - 1; std::string command, operand;
memmove (m_ReceiveBuffer, eol + 1, m_ReceiveBufferOffset); std::istringstream iss(line);
iss >> command >> operand;
// process command
auto& handlers = m_Owner.GetCommandHandlers();
auto it = handlers.find(command);
if(it != handlers.end())
{
(this->*(it->second))(operand.c_str(), operand.length());
} }
else else
{ {
if (size < BOB_COMMAND_BUFFER_SIZE) LogPrint (eLogError, "BOB: unknown command ", command.c_str());
m_ReceiveBufferOffset = size; SendReplyError ("unknown command");
else
{
LogPrint (eLogError, "BOB: Malformed input of the command channel");
Terminate ();
}
} }
} }
} }
void BOBCommandSession::Send (size_t len) void BOBCommandSession::Send ()
{ {
boost::asio::async_write (m_Socket, boost::asio::buffer (m_SendBuffer, len), boost::asio::async_write (m_Socket, m_SendBuffer,
boost::asio::transfer_all (), boost::asio::transfer_all (),
std::bind(&BOBCommandSession::HandleSent, shared_from_this (), std::bind(&BOBCommandSession::HandleSent, shared_from_this (),
std::placeholders::_1, std::placeholders::_2)); std::placeholders::_1, std::placeholders::_2));
@ -305,7 +301,7 @@ namespace client
void BOBCommandSession::HandleSent (const boost::system::error_code& ecode, std::size_t bytes_transferred) void BOBCommandSession::HandleSent (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{ {
if (ecode) if (ecode)
{ {
LogPrint (eLogError, "BOB: command channel send error: ", ecode.message ()); LogPrint (eLogError, "BOB: command channel send error: ", ecode.message ());
if (ecode != boost::asio::error::operation_aborted) if (ecode != boost::asio::error::operation_aborted)
Terminate (); Terminate ();
@ -321,39 +317,65 @@ namespace client
void BOBCommandSession::SendReplyOK (const char * msg) void BOBCommandSession::SendReplyOK (const char * msg)
{ {
#ifdef _MSC_VER std::ostream os(&m_SendBuffer);
size_t len = sprintf_s (m_SendBuffer, BOB_COMMAND_BUFFER_SIZE, BOB_REPLY_OK, msg); os << "OK";
#else if(msg)
size_t len = snprintf (m_SendBuffer, BOB_COMMAND_BUFFER_SIZE, BOB_REPLY_OK, msg); {
#endif os << " " << msg;
Send (len); }
os << std::endl;
Send ();
} }
void BOBCommandSession::SendReplyError (const char * msg) void BOBCommandSession::SendReplyError (const char * msg)
{ {
#ifdef _MSC_VER std::ostream os(&m_SendBuffer);
size_t len = sprintf_s (m_SendBuffer, BOB_COMMAND_BUFFER_SIZE, BOB_REPLY_ERROR, msg); os << "ERROR " << msg << std::endl;
#else Send ();
size_t len = snprintf (m_SendBuffer, BOB_COMMAND_BUFFER_SIZE, BOB_REPLY_ERROR, msg);
#endif
Send (len);
} }
void BOBCommandSession::SendVersion () void BOBCommandSession::SendVersion ()
{ {
size_t len = strlen (BOB_VERSION); std::ostream os(&m_SendBuffer);
memcpy (m_SendBuffer, BOB_VERSION, len); os << "BOB 00.00.10" << std::endl;
Send (len); SendReplyOK();
} }
void BOBCommandSession::SendData (const char * nickname) void BOBCommandSession::SendData (const char * data)
{ {
#ifdef _MSC_VER std::ostream os(&m_SendBuffer);
size_t len = sprintf_s (m_SendBuffer, BOB_COMMAND_BUFFER_SIZE, BOB_DATA, nickname); os << "DATA " << data << std::endl;
#else }
size_t len = snprintf (m_SendBuffer, BOB_COMMAND_BUFFER_SIZE, BOB_DATA, nickname);
#endif void BOBCommandSession::BuildStatusLine(bool currentTunnel, BOBDestination *dest, std::string &out)
Send (len); {
// helper lambdas
const auto isset = [](const std::string &str) { return str.empty() ? "not_set" : str; }; // for inhost, outhost
const auto issetNum = [&isset](const int p) { return isset(p == 0 ? "" : std::to_string(p)); }; // for inport, outport
const auto destExists = [](const BOBDestination * const dest) { return dest != nullptr; };
const auto destReady = [](const BOBDestination * const dest) { return dest->GetLocalDestination()->IsReady(); };
const auto bool_str = [](const bool v) { return v ? "true" : "false"; }; // bool -> str
// tunnel info
const std::string nickname = currentTunnel ? m_Nickname : dest->GetNickname();
const bool quiet = currentTunnel ? m_IsQuiet : dest->GetQuiet();
const std::string inhost = isset(currentTunnel ? m_InHost : dest->GetInHost());
const std::string outhost = isset(currentTunnel ? m_OutHost : dest->GetOutHost());
const std::string inport = issetNum(currentTunnel ? m_InPort : dest->GetInPort());
const std::string outport = issetNum(currentTunnel ? m_OutPort : dest->GetOutPort());
const bool keys = destExists(dest); // key must exist when destination is created
const bool starting = destExists(dest) && !destReady(dest);
const bool running = destExists(dest) && destReady(dest);
const bool stopping = false;
// build line
std::stringstream ss;
ss << "NICKNAME: " << nickname << " " << "STARTING: " << bool_str(starting) << " "
<< "RUNNING: " << bool_str(running) << " " << "STOPPING: " << bool_str(stopping) << " "
<< "KEYS: " << bool_str(keys) << " " << "QUIET: " << bool_str(quiet) << " "
<< "INPORT: " << inport << " " << "INHOST: " << inhost << " "
<< "OUTPORT: " << outport << " " << "OUTHOST: " << outhost;
out = ss.str();
} }
void BOBCommandSession::ZapCommandHandler (const char * operand, size_t len) void BOBCommandSession::ZapCommandHandler (const char * operand, size_t len)
@ -377,15 +399,50 @@ namespace client
SendReplyError ("tunnel is active"); SendReplyError ("tunnel is active");
return; return;
} }
if (!m_Keys.GetPublic ()) // keys are set ?
{
SendReplyError("Keys must be set.");
return;
}
if (m_InPort == 0
&& m_OutHost.empty() && m_OutPort == 0)
{
SendReplyError("(inhost):inport or outhost:outport must be set.");
return;
}
if(!m_InHost.empty())
{
// TODO: FIXME: temporary validation, until hostname support is added
boost::system::error_code ec;
boost::asio::ip::address::from_string(m_InHost, ec);
if (ec)
{
SendReplyError("inhost must be a valid IPv4 address.");
return;
}
}
if(!m_OutHost.empty())
{
// TODO: FIXME: temporary validation, until hostname support is added
boost::system::error_code ec;
boost::asio::ip::address::from_string(m_OutHost, ec);
if (ec)
{
SendReplyError("outhost must be a IPv4 address.");
return;
}
}
if (!m_CurrentDestination) if (!m_CurrentDestination)
{ {
m_CurrentDestination = new BOBDestination (i2p::client::context.CreateNewLocalDestination (m_Keys, true, &m_Options)); m_CurrentDestination = new BOBDestination (i2p::client::context.CreateNewLocalDestination (m_Keys, true, &m_Options), // deleted in clear command
m_Nickname, m_InHost, m_OutHost, m_InPort, m_OutPort, m_IsQuiet);
m_Owner.AddDestination (m_Nickname, m_CurrentDestination); m_Owner.AddDestination (m_Nickname, m_CurrentDestination);
} }
if (m_InPort) if (m_InPort)
m_CurrentDestination->CreateInboundTunnel (m_InPort, m_Address); m_CurrentDestination->CreateInboundTunnel (m_InPort, m_InHost);
if (m_OutPort && !m_Address.empty ()) if (m_OutPort && !m_OutHost.empty ())
m_CurrentDestination->CreateOutboundTunnel (m_Address, m_OutPort, m_IsQuiet); m_CurrentDestination->CreateOutboundTunnel (m_OutHost, m_OutPort, m_IsQuiet);
m_CurrentDestination->Start (); m_CurrentDestination->Start ();
SendReplyOK ("Tunnel starting"); SendReplyOK ("Tunnel starting");
m_IsActive = true; m_IsActive = true;
@ -496,7 +553,7 @@ namespace client
void BOBCommandSession::OuthostCommandHandler (const char * operand, size_t len) void BOBCommandSession::OuthostCommandHandler (const char * operand, size_t len)
{ {
LogPrint (eLogDebug, "BOB: outhost ", operand); LogPrint (eLogDebug, "BOB: outhost ", operand);
m_Address = operand; m_OutHost = operand;
SendReplyOK ("outhost set"); SendReplyOK ("outhost set");
} }
@ -513,7 +570,7 @@ namespace client
void BOBCommandSession::InhostCommandHandler (const char * operand, size_t len) void BOBCommandSession::InhostCommandHandler (const char * operand, size_t len)
{ {
LogPrint (eLogDebug, "BOB: inhost ", operand); LogPrint (eLogDebug, "BOB: inhost ", operand);
m_Address = operand; m_InHost = operand;
SendReplyOK ("inhost set"); SendReplyOK ("inhost set");
} }
@ -591,9 +648,23 @@ namespace client
void BOBCommandSession::ListCommandHandler (const char * operand, size_t len) void BOBCommandSession::ListCommandHandler (const char * operand, size_t len)
{ {
LogPrint (eLogDebug, "BOB: list"); LogPrint (eLogDebug, "BOB: list");
std::string statusLine;
bool sentCurrent = false;
const auto& destinations = m_Owner.GetDestinations (); const auto& destinations = m_Owner.GetDestinations ();
for (const auto& it: destinations) for (const auto& it: destinations)
SendData (("DATA NICKNAME: " + it.first).c_str ()); {
BuildStatusLine(false, it.second, statusLine);
SendData (statusLine.c_str());
if(m_Nickname.compare(it.second->GetNickname()) == 0)
sentCurrent = true;
}
if(!sentCurrent && !m_Nickname.empty())
{
// add the current tunnel to the list
BuildStatusLine(true, m_CurrentDestination, statusLine);
LogPrint(eLogError, statusLine);
SendData(statusLine.c_str());
}
SendReplyOK ("Listing done"); SendReplyOK ("Listing done");
} }
@ -619,34 +690,53 @@ namespace client
void BOBCommandSession::StatusCommandHandler (const char * operand, size_t len) void BOBCommandSession::StatusCommandHandler (const char * operand, size_t len)
{ {
LogPrint (eLogDebug, "BOB: status ", operand); LogPrint (eLogDebug, "BOB: status ", operand);
std::string statusLine;
if (m_Nickname == operand) if (m_Nickname == operand)
{ {
std::stringstream s; // check current tunnel
s << "DATA"; s << " NICKNAME: "; s << m_Nickname; BuildStatusLine(true, nullptr, statusLine);
if (m_CurrentDestination) SendReplyOK(statusLine.c_str());
}
else
{
// check other
std::string name = operand;
auto ptr = m_Owner.FindDestination(name);
if(ptr != nullptr)
{ {
if (m_CurrentDestination->GetLocalDestination ()->IsReady ()) BuildStatusLine(false, ptr, statusLine);
s << " STARTING: false RUNNING: true STOPPING: false"; SendReplyOK(statusLine.c_str());
else
s << " STARTING: true RUNNING: false STOPPING: false";
} }
else else
s << " STARTING: false RUNNING: false STOPPING: false";
s << " KEYS: true"; s << " QUIET: "; s << (m_IsQuiet ? "true":"false");
if (m_InPort)
{ {
s << " INPORT: " << m_InPort; SendReplyError("no nickname has been set");
s << " INHOST: " << (m_Address.length () > 0 ? m_Address : "127.0.0.1");
} }
if (m_OutPort) }
}
void BOBCommandSession::HelpCommandHandler (const char * operand, size_t len)
{
auto helpStrings = m_Owner.GetHelpStrings();
if(len == 0)
{
std::stringstream ss;
ss << "COMMANDS:";
for (auto const& x : helpStrings)
{ {
s << " OUTPORT: " << m_OutPort; ss << " " << x.first;
s << " OUTHOST: " << (m_Address.length () > 0 ? m_Address : "127.0.0.1");
} }
SendReplyOK (s.str().c_str()); const std::string &str = ss.str();
SendReplyOK(str.c_str());
} }
else else
SendReplyError ("no nickname has been set"); {
auto it = helpStrings.find(operand);
if (it != helpStrings.end ())
{
SendReplyOK(it->second.c_str());
return;
}
SendReplyError("No such command");
}
} }
BOBCommandChannel::BOBCommandChannel (const std::string& address, int port): BOBCommandChannel::BOBCommandChannel (const std::string& address, int port):
@ -674,6 +764,29 @@ namespace client
m_CommandHandlers[BOB_COMMAND_LIST] = &BOBCommandSession::ListCommandHandler; m_CommandHandlers[BOB_COMMAND_LIST] = &BOBCommandSession::ListCommandHandler;
m_CommandHandlers[BOB_COMMAND_OPTION] = &BOBCommandSession::OptionCommandHandler; m_CommandHandlers[BOB_COMMAND_OPTION] = &BOBCommandSession::OptionCommandHandler;
m_CommandHandlers[BOB_COMMAND_STATUS] = &BOBCommandSession::StatusCommandHandler; m_CommandHandlers[BOB_COMMAND_STATUS] = &BOBCommandSession::StatusCommandHandler;
m_CommandHandlers[BOB_COMMAND_HELP] = &BOBCommandSession::HelpCommandHandler;
// command -> help string
m_HelpStrings[BOB_COMMAND_ZAP] = BOB_HELP_ZAP;
m_HelpStrings[BOB_COMMAND_QUIT] = BOB_HELP_QUIT;
m_HelpStrings[BOB_COMMAND_START] = BOB_HELP_START;
m_HelpStrings[BOB_COMMAND_STOP] = BOB_HELP_STOP;
m_HelpStrings[BOB_COMMAND_SETNICK] = BOB_HELP_SETNICK;
m_HelpStrings[BOB_COMMAND_GETNICK] = BOB_HELP_GETNICK;
m_HelpStrings[BOB_COMMAND_NEWKEYS] = BOB_HELP_NEWKEYS;
m_HelpStrings[BOB_COMMAND_GETKEYS] = BOB_HELP_GETKEYS;
m_HelpStrings[BOB_COMMAND_SETKEYS] = BOB_HELP_SETKEYS;
m_HelpStrings[BOB_COMMAND_GETDEST] = BOB_HELP_GETDEST;
m_HelpStrings[BOB_COMMAND_OUTHOST] = BOB_HELP_OUTHOST;
m_HelpStrings[BOB_COMMAND_OUTPORT] = BOB_HELP_OUTPORT;
m_HelpStrings[BOB_COMMAND_INHOST] = BOB_HELP_INHOST;
m_HelpStrings[BOB_COMMAND_INPORT] = BOB_HELP_INPORT;
m_HelpStrings[BOB_COMMAND_QUIET] = BOB_HELP_QUIET;
m_HelpStrings[BOB_COMMAND_LOOKUP] = BOB_HELP_LOOKUP;
m_HelpStrings[BOB_COMMAND_CLEAR] = BOB_HELP_CLEAR;
m_HelpStrings[BOB_COMMAND_LIST] = BOB_HELP_LIST;
m_HelpStrings[BOB_COMMAND_OPTION] = BOB_HELP_OPTION;
m_HelpStrings[BOB_COMMAND_STATUS] = BOB_HELP_STATUS;
m_HelpStrings[BOB_COMMAND_HELP] = BOB_HELP_HELP;
} }
BOBCommandChannel::~BOBCommandChannel () BOBCommandChannel::~BOBCommandChannel ()

66
libi2pd_client/BOB.h
Unescape View File

@ -37,11 +37,29 @@ namespace client
const char BOB_COMMAND_LIST[] = "list"; const char BOB_COMMAND_LIST[] = "list";
const char BOB_COMMAND_OPTION[] = "option"; const char BOB_COMMAND_OPTION[] = "option";
const char BOB_COMMAND_STATUS[] = "status"; const char BOB_COMMAND_STATUS[] = "status";
const char BOB_COMMAND_HELP[] = "help";
const char BOB_VERSION[] = "BOB 00.00.10\nOK\n";
const char BOB_REPLY_OK[] = "OK %s\n"; const char BOB_HELP_ZAP[] = "zap - Shuts down BOB.";
const char BOB_REPLY_ERROR[] = "ERROR %s\n"; const char BOB_HELP_QUIT[] = "quit - Quits this session with BOB.";
const char BOB_DATA[] = "NICKNAME %s\n"; const char BOB_HELP_START[] = "start - Starts the current nicknamed tunnel.";
const char BOB_HELP_STOP[] = "stop - Stops the current nicknamed tunnel.";
const char BOB_HELP_SETNICK[] = "setnick <NICKNAME> - Creates a new nickname.";
const char BOB_HELP_GETNICK[] = "getnick <TUNNELNAME> - Sets the nickname from the database.";
const char BOB_HELP_NEWKEYS[] = "newkeys - Generate a new keypair for the current nickname.";
const char BOB_HELP_GETKEYS[] = "getkeys - Return the keypair for the current nickname.";
const char BOB_HELP_SETKEYS[] = "setkeys <BASE64_KEYPAIR> - Sets the keypair for the current nickname.";
const char BOB_HELP_GETDEST[] = "getdest - Return the destination for the current nickname.";
const char BOB_HELP_OUTHOST[] = "outhost <HOSTNAME|IP> - Set the outhound hostname or IP.";
const char BOB_HELP_OUTPORT[] = "outport <PORT_NUMBER> - Set the outbound port that nickname contacts.";
const char BOB_HELP_INHOST[] = "inhost <HOSTNAME|IP> - Set the inbound hostname or IP.";
const char BOB_HELP_INPORT[] = "inport <PORT_NUMBER> - Set the inbound port number nickname listens on.";
const char BOB_HELP_QUIET[] = "quiet <True|False> - Wether to send the incoming destination.";
const char BOB_HELP_LOOKUP[] = "lookup <I2P_HOSTNAME> - Look up an I2P hostname.";
const char BOB_HELP_CLEAR[] = "clear - Clear the current nickname out of the list.";
const char BOB_HELP_LIST[] = "list - List all tunnels.";
const char BOB_HELP_OPTION[] = "option <KEY>=<VALUE> - Set an option. NOTE: Don't use any spaces.";
const char BOB_HELP_STATUS[] = "status <NICKNAME> - Display status of a nicknamed tunnel.";
const char BOB_HELP_HELP [] = "help <COMMAND> - Get help on a command.";
class BOBI2PTunnel: public I2PService class BOBI2PTunnel: public I2PService
{ {
@ -96,7 +114,7 @@ namespace client
{ {
public: public:
BOBI2POutboundTunnel (const std::string& address, int port, std::shared_ptr<ClientDestination> localDestination, bool quiet); BOBI2POutboundTunnel (const std::string& outhost, int port, std::shared_ptr<ClientDestination> localDestination, bool quiet);
void Start (); void Start ();
void Stop (); void Stop ();
@ -119,14 +137,22 @@ namespace client
{ {
public: public:
BOBDestination (std::shared_ptr<ClientDestination> localDestination); BOBDestination (std::shared_ptr<ClientDestination> localDestination,
const std::string &nickname, const std::string &inhost, const std::string &outhost,
const int inport, const int outport, const bool quiet);
~BOBDestination (); ~BOBDestination ();
void Start (); void Start ();
void Stop (); void Stop ();
void StopTunnels (); void StopTunnels ();
void CreateInboundTunnel (int port, const std::string& address); void CreateInboundTunnel (int port, const std::string& inhost);
void CreateOutboundTunnel (const std::string& address, int port, bool quiet); void CreateOutboundTunnel (const std::string& outhost, int port, bool quiet);
const std::string& GetNickname() const { return m_Nickname; }
const std::string& GetInHost() const { return m_InHost; }
const std::string& GetOutHost() const { return m_OutHost; }
int GetInPort() const { return m_InPort; }
int GetOutPort() const { return m_OutPort; }
bool GetQuiet() const { return m_Quiet; }
const i2p::data::PrivateKeys& GetKeys () const { return m_LocalDestination->GetPrivateKeys (); }; const i2p::data::PrivateKeys& GetKeys () const { return m_LocalDestination->GetPrivateKeys (); };
std::shared_ptr<ClientDestination> GetLocalDestination () const { return m_LocalDestination; }; std::shared_ptr<ClientDestination> GetLocalDestination () const { return m_LocalDestination; };
@ -135,6 +161,11 @@ namespace client
std::shared_ptr<ClientDestination> m_LocalDestination; std::shared_ptr<ClientDestination> m_LocalDestination;
BOBI2POutboundTunnel * m_OutboundTunnel; BOBI2POutboundTunnel * m_OutboundTunnel;
BOBI2PInboundTunnel * m_InboundTunnel; BOBI2PInboundTunnel * m_InboundTunnel;
std::string m_Nickname;
std::string m_InHost, m_OutHost;
int m_InPort, m_OutPort;
bool m_Quiet;
}; };
class BOBCommandChannel; class BOBCommandChannel;
@ -170,26 +201,29 @@ namespace client
void ListCommandHandler (const char * operand, size_t len); void ListCommandHandler (const char * operand, size_t len);
void OptionCommandHandler (const char * operand, size_t len); void OptionCommandHandler (const char * operand, size_t len);
void StatusCommandHandler (const char * operand, size_t len); void StatusCommandHandler (const char * operand, size_t len);
void HelpCommandHandler (const char * operand, size_t len);
private: private:
void Receive (); void Receive ();
void HandleReceivedLine(const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred); void HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void Send (size_t len); void Send ();
void HandleSent (const boost::system::error_code& ecode, std::size_t bytes_transferred); void HandleSent (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void SendReplyOK (const char * msg); void SendReplyOK (const char * msg = nullptr);
void SendReplyError (const char * msg); void SendReplyError (const char * msg);
void SendData (const char * nickname); void SendData (const char * data);
void BuildStatusLine(bool currentTunnel, BOBDestination *destination, std::string &out);
private: private:
BOBCommandChannel& m_Owner; BOBCommandChannel& m_Owner;
boost::asio::ip::tcp::socket m_Socket; boost::asio::ip::tcp::socket m_Socket;
char m_ReceiveBuffer[BOB_COMMAND_BUFFER_SIZE + 1], m_SendBuffer[BOB_COMMAND_BUFFER_SIZE + 1]; boost::asio::streambuf m_ReceiveBuffer, m_SendBuffer;
size_t m_ReceiveBufferOffset;
bool m_IsOpen, m_IsQuiet, m_IsActive; bool m_IsOpen, m_IsQuiet, m_IsActive;
std::string m_Nickname, m_Address; std::string m_Nickname, m_InHost, m_OutHost;
int m_InPort, m_OutPort; int m_InPort, m_OutPort;
i2p::data::PrivateKeys m_Keys; i2p::data::PrivateKeys m_Keys;
std::map<std::string, std::string> m_Options; std::map<std::string, std::string> m_Options;
@ -226,10 +260,12 @@ namespace client
boost::asio::ip::tcp::acceptor m_Acceptor; boost::asio::ip::tcp::acceptor m_Acceptor;
std::map<std::string, BOBDestination *> m_Destinations; std::map<std::string, BOBDestination *> m_Destinations;
std::map<std::string, BOBCommandHandler> m_CommandHandlers; std::map<std::string, BOBCommandHandler> m_CommandHandlers;
std::map<std::string, std::string> m_HelpStrings;
public: public:
const decltype(m_CommandHandlers)& GetCommandHandlers () const { return m_CommandHandlers; }; const decltype(m_CommandHandlers)& GetCommandHandlers () const { return m_CommandHandlers; };
const decltype(m_HelpStrings)& GetHelpStrings () const { return m_HelpStrings; };
const decltype(m_Destinations)& GetDestinations () const { return m_Destinations; }; const decltype(m_Destinations)& GetDestinations () const { return m_Destinations; };
}; };
} }

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