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332 lines
12 KiB
C++
332 lines
12 KiB
C++
#include <fstream>
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#include <iostream>
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#include <boost/program_options/parsers.hpp>
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#include <boost/program_options/variables_map.hpp>
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#include "util.h"
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#include "Log.h"
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#include "Identity.h"
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#include "ClientContext.h"
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namespace i2p
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{
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namespace client
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{
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ClientContext context;
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ClientContext::ClientContext (): m_SharedLocalDestination (nullptr),
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m_HttpProxy (nullptr), m_SocksProxy (nullptr), m_SamBridge (nullptr),
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m_BOBCommandChannel (nullptr), m_I2PControlService (nullptr)
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{
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}
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ClientContext::~ClientContext ()
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{
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delete m_HttpProxy;
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delete m_SocksProxy;
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delete m_SamBridge;
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delete m_BOBCommandChannel;
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delete m_I2PControlService;
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}
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void ClientContext::Start ()
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{
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if (!m_SharedLocalDestination)
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{
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m_SharedLocalDestination = CreateNewLocalDestination (); // non-public, DSA
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m_Destinations[m_SharedLocalDestination->GetIdentity ().GetIdentHash ()] = m_SharedLocalDestination;
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m_SharedLocalDestination->Start ();
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}
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// proxies
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m_HttpProxy = new i2p::proxy::HTTPProxy(i2p::util::config::GetArg("-httpproxyport", 4446));
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m_HttpProxy->Start();
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LogPrint("HTTP Proxy started");
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m_SocksProxy = new i2p::proxy::SOCKSProxy(i2p::util::config::GetArg("-socksproxyport", 4447));
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m_SocksProxy->Start();
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LogPrint("SOCKS Proxy Started");
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// I2P tunnels
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std::string ircDestination = i2p::util::config::GetArg("-ircdest", "");
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if (ircDestination.length () > 0) // ircdest is presented
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{
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std::shared_ptr<ClientDestination> localDestination = nullptr;
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std::string ircKeys = i2p::util::config::GetArg("-irckeys", "");
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if (ircKeys.length () > 0)
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localDestination = LoadLocalDestination (ircKeys, false);
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auto ircPort = i2p::util::config::GetArg("-ircport", 6668);
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auto ircTunnel = new I2PClientTunnel (ircDestination, ircPort, localDestination);
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ircTunnel->Start ();
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m_ClientTunnels.insert (std::make_pair(ircPort, std::unique_ptr<I2PClientTunnel>(ircTunnel)));
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LogPrint("IRC tunnel started");
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}
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std::string eepKeys = i2p::util::config::GetArg("-eepkeys", "");
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if (eepKeys.length () > 0) // eepkeys file is presented
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{
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auto localDestination = LoadLocalDestination (eepKeys, true);
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auto serverTunnel = new I2PServerTunnel (i2p::util::config::GetArg("-eephost", "127.0.0.1"),
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i2p::util::config::GetArg("-eepport", 80), localDestination);
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serverTunnel->Start ();
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m_ServerTunnels.insert (std::make_pair(localDestination->GetIdentHash (), std::unique_ptr<I2PServerTunnel>(serverTunnel)));
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LogPrint("Server tunnel started");
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}
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ReadTunnels ();
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// SAM
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int samPort = i2p::util::config::GetArg("-samport", 0);
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if (samPort)
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{
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m_SamBridge = new SAMBridge (samPort);
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m_SamBridge->Start ();
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LogPrint("SAM bridge started");
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}
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// BOB
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int bobPort = i2p::util::config::GetArg("-bobport", 0);
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if (bobPort)
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{
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m_BOBCommandChannel = new BOBCommandChannel (bobPort);
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m_BOBCommandChannel->Start ();
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LogPrint("BOB command channel started");
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}
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// I2P Control
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int i2pcontrolPort = i2p::util::config::GetArg("-i2pcontrolport", 0);
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if (i2pcontrolPort)
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{
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m_I2PControlService = new I2PControlService (i2pcontrolPort);
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m_I2PControlService->Start ();
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LogPrint("I2PControl started");
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}
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m_AddressBook.StartSubscriptions ();
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}
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void ClientContext::Stop ()
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{
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m_AddressBook.StopSubscriptions ();
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m_HttpProxy->Stop();
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delete m_HttpProxy;
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m_HttpProxy = nullptr;
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LogPrint("HTTP Proxy stopped");
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m_SocksProxy->Stop();
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delete m_SocksProxy;
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m_SocksProxy = nullptr;
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LogPrint("SOCKS Proxy stopped");
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for (auto& it: m_ClientTunnels)
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{
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it.second->Stop ();
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LogPrint("I2P client tunnel on port ", it.first, " stopped");
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}
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m_ClientTunnels.clear ();
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for (auto& it: m_ServerTunnels)
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{
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it.second->Stop ();
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LogPrint("I2P server tunnel stopped");
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}
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m_ServerTunnels.clear ();
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if (m_SamBridge)
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{
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m_SamBridge->Stop ();
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delete m_SamBridge;
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m_SamBridge = nullptr;
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LogPrint("SAM brdige stopped");
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}
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if (m_BOBCommandChannel)
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{
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m_BOBCommandChannel->Stop ();
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delete m_BOBCommandChannel;
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m_BOBCommandChannel = nullptr;
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LogPrint("BOB command channel stopped");
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}
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if (m_I2PControlService)
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{
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m_I2PControlService->Stop ();
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delete m_I2PControlService;
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m_I2PControlService = nullptr;
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LogPrint("I2PControl stopped");
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}
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for (auto it: m_Destinations)
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it.second->Stop ();
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m_Destinations.clear ();
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m_SharedLocalDestination = nullptr;
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}
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std::shared_ptr<ClientDestination> ClientContext::LoadLocalDestination (const std::string& filename, bool isPublic)
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{
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i2p::data::PrivateKeys keys;
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std::string fullPath = i2p::util::filesystem::GetFullPath (filename);
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std::ifstream s(fullPath.c_str (), std::ifstream::binary);
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if (s.is_open ())
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{
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s.seekg (0, std::ios::end);
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size_t len = s.tellg();
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s.seekg (0, std::ios::beg);
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uint8_t * buf = new uint8_t[len];
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s.read ((char *)buf, len);
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keys.FromBuffer (buf, len);
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delete[] buf;
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LogPrint ("Local address ", m_AddressBook.ToAddress(keys.GetPublic ().GetIdentHash ()), " loaded");
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}
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else
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{
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LogPrint ("Can't open file ", fullPath, " Creating new one");
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keys = i2p::data::PrivateKeys::CreateRandomKeys (i2p::data::SIGNING_KEY_TYPE_DSA_SHA1);
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std::ofstream f (fullPath, std::ofstream::binary | std::ofstream::out);
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size_t len = keys.GetFullLen ();
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uint8_t * buf = new uint8_t[len];
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len = keys.ToBuffer (buf, len);
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f.write ((char *)buf, len);
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delete[] buf;
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LogPrint ("New private keys file ", fullPath, " for ", m_AddressBook.ToAddress(keys.GetPublic ().GetIdentHash ()), " created");
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}
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std::shared_ptr<ClientDestination> localDestination = nullptr;
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std::unique_lock<std::mutex> l(m_DestinationsMutex);
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auto it = m_Destinations.find (keys.GetPublic ().GetIdentHash ());
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if (it != m_Destinations.end ())
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{
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LogPrint (eLogWarning, "Local destination ", m_AddressBook.ToAddress(keys.GetPublic ().GetIdentHash ()), " alreday exists");
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localDestination = it->second;
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}
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else
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{
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localDestination = std::make_shared<ClientDestination> (keys, isPublic);
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m_Destinations[localDestination->GetIdentHash ()] = localDestination;
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localDestination->Start ();
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}
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return localDestination;
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}
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std::shared_ptr<ClientDestination> ClientContext::CreateNewLocalDestination (bool isPublic, i2p::data::SigningKeyType sigType,
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const std::map<std::string, std::string> * params)
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{
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i2p::data::PrivateKeys keys = i2p::data::PrivateKeys::CreateRandomKeys (sigType);
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auto localDestination = std::make_shared<ClientDestination> (keys, isPublic, params);
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std::unique_lock<std::mutex> l(m_DestinationsMutex);
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m_Destinations[localDestination->GetIdentHash ()] = localDestination;
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localDestination->Start ();
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return localDestination;
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}
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void ClientContext::DeleteLocalDestination (std::shared_ptr<ClientDestination> destination)
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{
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if (!destination) return;
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auto it = m_Destinations.find (destination->GetIdentHash ());
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if (it != m_Destinations.end ())
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{
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auto d = it->second;
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{
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std::unique_lock<std::mutex> l(m_DestinationsMutex);
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m_Destinations.erase (it);
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}
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d->Stop ();
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}
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}
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std::shared_ptr<ClientDestination> ClientContext::CreateNewLocalDestination (const i2p::data::PrivateKeys& keys, bool isPublic,
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const std::map<std::string, std::string> * params)
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{
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auto it = m_Destinations.find (keys.GetPublic ().GetIdentHash ());
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if (it != m_Destinations.end ())
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{
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LogPrint ("Local destination ", m_AddressBook.ToAddress(keys.GetPublic ().GetIdentHash ()), " exists");
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if (!it->second->IsRunning ())
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{
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it->second->Start ();
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return it->second;
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}
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return nullptr;
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}
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auto localDestination = std::make_shared<ClientDestination> (keys, isPublic, params);
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std::unique_lock<std::mutex> l(m_DestinationsMutex);
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m_Destinations[keys.GetPublic ().GetIdentHash ()] = localDestination;
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localDestination->Start ();
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return localDestination;
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}
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std::shared_ptr<ClientDestination> ClientContext::FindLocalDestination (const i2p::data::IdentHash& destination) const
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{
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auto it = m_Destinations.find (destination);
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if (it != m_Destinations.end ())
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return it->second;
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return nullptr;
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}
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void ClientContext::ReadTunnels ()
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{
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std::ifstream ifs (i2p::util::filesystem::GetFullPath (TUNNELS_CONFIG_FILENAME));
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if (ifs.good ())
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{
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boost::program_options::options_description params ("I2P tunnels parameters");
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params.add_options ()
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// client
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(I2P_CLIENT_TUNNEL_NAME, boost::program_options::value<std::vector<std::string> >(), "tunnel name")
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(I2P_CLIENT_TUNNEL_PORT, boost::program_options::value<std::vector<int> >(), "Local port")
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(I2P_CLIENT_TUNNEL_DESTINATION, boost::program_options::value<std::vector<std::string> >(), "destination")
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(I2P_CLIENT_TUNNEL_KEYS, boost::program_options::value<std::vector<std::string> >(), "keys")
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// server
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(I2P_SERVER_TUNNEL_NAME, boost::program_options::value<std::vector<std::string> >(), "tunnel name")
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(I2P_SERVER_TUNNEL_HOST, boost::program_options::value<std::vector<std::string> >(), "host")
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(I2P_SERVER_TUNNEL_PORT, boost::program_options::value<std::vector<int> >(), "port")
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(I2P_SERVER_TUNNEL_KEYS, boost::program_options::value<std::vector<std::string> >(), "keys")
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;
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boost::program_options::variables_map vm;
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try
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{
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boost::program_options::store (boost::program_options::parse_config_file (ifs, params), vm);
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boost::program_options::notify (vm);
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}
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catch (boost::program_options::error& ex)
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{
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LogPrint (eLogError, "Can't parse ", TUNNELS_CONFIG_FILENAME,": ", ex.what ());
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return;
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}
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if (vm.count (I2P_CLIENT_TUNNEL_NAME) > 0)
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{
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auto names = vm[I2P_CLIENT_TUNNEL_NAME].as<std::vector<std::string> >();
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int numClientTunnels = names.size ();
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auto ports = vm[I2P_CLIENT_TUNNEL_PORT].as<std::vector<int> >();
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auto destinations = vm[I2P_CLIENT_TUNNEL_DESTINATION].as<std::vector<std::string> >();
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auto keys = vm[I2P_CLIENT_TUNNEL_KEYS].as<std::vector<std::string> >();
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for (int i = 0; i < numClientTunnels; i++)
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{
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std::shared_ptr<ClientDestination> localDestination = nullptr;
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if (keys[i].length () > 0)
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localDestination = LoadLocalDestination (keys[i], false);
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auto clientTunnel = new I2PClientTunnel (destinations[i], ports[i], localDestination);
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if (m_ClientTunnels.insert (std::make_pair (ports[i], std::unique_ptr<I2PClientTunnel>(clientTunnel))).second)
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clientTunnel->Start ();
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else
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LogPrint (eLogError, "I2P client tunnel with port ", ports[i], " already exists");
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}
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LogPrint (eLogInfo, numClientTunnels, " I2P client tunnels created");
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}
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if (vm.count (I2P_SERVER_TUNNEL_NAME) > 0)
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{
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auto names = vm[I2P_SERVER_TUNNEL_NAME].as<std::vector<std::string> >();
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int numServerTunnels = names.size ();
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auto hosts = vm[I2P_SERVER_TUNNEL_HOST].as<std::vector<std::string> >();
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auto ports = vm[I2P_SERVER_TUNNEL_PORT].as<std::vector<int> >();
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auto keys = vm[I2P_SERVER_TUNNEL_KEYS].as<std::vector<std::string> >();
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for (int i = 0; i < numServerTunnels; i++)
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{
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auto localDestination = LoadLocalDestination (keys[i], true);
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auto serverTunnel = new I2PServerTunnel (hosts[i], ports[i], localDestination);
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if (m_ServerTunnels.insert (std::make_pair (localDestination->GetIdentHash (), std::unique_ptr<I2PServerTunnel>(serverTunnel))).second)
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serverTunnel->Start ();
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else
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LogPrint (eLogError, "I2P server tunnel for destination ", m_AddressBook.ToAddress(localDestination->GetIdentHash ()), " already exists");
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}
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LogPrint (eLogInfo, numServerTunnels, " I2P server tunnels created");
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}
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}
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}
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}
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}
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