mirror of https://github.com/PurpleI2P/i2pd.git
I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
320 lines
11 KiB
320 lines
11 KiB
#include <fstream> |
|
#include <iostream> |
|
#include <boost/property_tree/ptree.hpp> |
|
#include <boost/property_tree/ini_parser.hpp> |
|
#include "util.h" |
|
#include "Log.h" |
|
#include "Identity.h" |
|
#include "ClientContext.h" |
|
|
|
namespace i2p |
|
{ |
|
namespace client |
|
{ |
|
ClientContext context; |
|
|
|
ClientContext::ClientContext (): m_SharedLocalDestination (nullptr), |
|
m_HttpProxy (nullptr), m_SocksProxy (nullptr), m_SamBridge (nullptr), |
|
m_BOBCommandChannel (nullptr) |
|
{ |
|
} |
|
|
|
ClientContext::~ClientContext () |
|
{ |
|
delete m_HttpProxy; |
|
delete m_SocksProxy; |
|
delete m_SamBridge; |
|
delete m_BOBCommandChannel; |
|
} |
|
|
|
void ClientContext::Start () |
|
{ |
|
if (!m_SharedLocalDestination) |
|
{ |
|
m_SharedLocalDestination = CreateNewLocalDestination (); // non-public, DSA |
|
m_Destinations[m_SharedLocalDestination->GetIdentity ()->GetIdentHash ()] = m_SharedLocalDestination; |
|
m_SharedLocalDestination->Start (); |
|
} |
|
|
|
std::shared_ptr<ClientDestination> localDestination; |
|
// proxies |
|
std::string proxyKeys = i2p::util::config::GetArg("-proxykeys", ""); |
|
if (proxyKeys.length () > 0) |
|
localDestination = LoadLocalDestination (proxyKeys, false); |
|
LogPrint(eLogInfo, "Clients: starting HTTP Proxy"); |
|
m_HttpProxy = new i2p::proxy::HTTPProxy(i2p::util::config::GetArg("-httpproxyaddress", "127.0.0.1"), i2p::util::config::GetArg("-httpproxyport", 4446), localDestination); |
|
m_HttpProxy->Start(); |
|
LogPrint(eLogInfo, "Clients: starting SOCKS Proxy"); |
|
m_SocksProxy = new i2p::proxy::SOCKSProxy(i2p::util::config::GetArg("-socksproxyaddress", "127.0.0.1"), i2p::util::config::GetArg("-socksproxyport", 4447), localDestination); |
|
m_SocksProxy->Start(); |
|
|
|
// I2P tunnels |
|
ReadTunnels (); |
|
|
|
// SAM |
|
int samPort = i2p::util::config::GetArg("-samport", 0); |
|
if (samPort) |
|
{ |
|
LogPrint(eLogInfo, "Clients: starting SAM bridge"); |
|
m_SamBridge = new SAMBridge (i2p::util::config::GetArg("-samaddress", "127.0.0.1"), samPort); |
|
m_SamBridge->Start (); |
|
} |
|
|
|
// BOB |
|
int bobPort = i2p::util::config::GetArg("-bobport", 0); |
|
if (bobPort) |
|
{ |
|
LogPrint(eLogInfo, "Clients: starting BOB command channel"); |
|
m_BOBCommandChannel = new BOBCommandChannel (i2p::util::config::GetArg("-bobaddress", "127.0.0.1"), bobPort); |
|
m_BOBCommandChannel->Start (); |
|
} |
|
|
|
m_AddressBook.Start (); |
|
} |
|
|
|
void ClientContext::Stop () |
|
{ |
|
LogPrint(eLogInfo, "Clients: stopping HTTP Proxy"); |
|
m_HttpProxy->Stop(); |
|
delete m_HttpProxy; |
|
m_HttpProxy = nullptr; |
|
|
|
LogPrint(eLogInfo, "Clients: stopping SOCKS Proxy"); |
|
m_SocksProxy->Stop(); |
|
delete m_SocksProxy; |
|
m_SocksProxy = nullptr; |
|
|
|
for (auto& it: m_ClientTunnels) |
|
{ |
|
LogPrint(eLogInfo, "Clients: stopping I2P client tunnel on port ", it.first); |
|
it.second->Stop (); |
|
} |
|
m_ClientTunnels.clear (); |
|
|
|
for (auto& it: m_ServerTunnels) |
|
{ |
|
LogPrint(eLogInfo, "Clients: stopping I2P server tunnel"); |
|
it.second->Stop (); |
|
} |
|
m_ServerTunnels.clear (); |
|
|
|
if (m_SamBridge) |
|
{ |
|
LogPrint(eLogInfo, "Clients: stopping SAM bridge"); |
|
m_SamBridge->Stop (); |
|
delete m_SamBridge; |
|
m_SamBridge = nullptr; |
|
} |
|
|
|
if (m_BOBCommandChannel) |
|
{ |
|
LogPrint(eLogInfo, "Clients: stopping BOB command channel"); |
|
m_BOBCommandChannel->Stop (); |
|
delete m_BOBCommandChannel; |
|
m_BOBCommandChannel = nullptr; |
|
} |
|
|
|
LogPrint(eLogInfo, "Clients: stopping AddressBook"); |
|
m_AddressBook.Stop (); |
|
for (auto it: m_Destinations) |
|
it.second->Stop (); |
|
m_Destinations.clear (); |
|
m_SharedLocalDestination = nullptr; |
|
} |
|
|
|
std::shared_ptr<ClientDestination> ClientContext::LoadLocalDestination (const std::string& filename, |
|
bool isPublic, i2p::data::SigningKeyType sigType) |
|
{ |
|
i2p::data::PrivateKeys keys; |
|
std::string fullPath = i2p::util::filesystem::GetFullPath (filename); |
|
std::ifstream s(fullPath.c_str (), std::ifstream::binary); |
|
if (s.is_open ()) |
|
{ |
|
s.seekg (0, std::ios::end); |
|
size_t len = s.tellg(); |
|
s.seekg (0, std::ios::beg); |
|
uint8_t * buf = new uint8_t[len]; |
|
s.read ((char *)buf, len); |
|
keys.FromBuffer (buf, len); |
|
delete[] buf; |
|
LogPrint (eLogInfo, "Clients: Local address ", m_AddressBook.ToAddress(keys.GetPublic ()->GetIdentHash ()), " loaded"); |
|
} |
|
else |
|
{ |
|
LogPrint (eLogError, "Clients: can't open file ", fullPath, " Creating new one with signature type ", sigType); |
|
keys = i2p::data::PrivateKeys::CreateRandomKeys (sigType); |
|
std::ofstream f (fullPath, std::ofstream::binary | std::ofstream::out); |
|
size_t len = keys.GetFullLen (); |
|
uint8_t * buf = new uint8_t[len]; |
|
len = keys.ToBuffer (buf, len); |
|
f.write ((char *)buf, len); |
|
delete[] buf; |
|
|
|
LogPrint (eLogInfo, "Clients: New private keys file ", fullPath, " for ", m_AddressBook.ToAddress(keys.GetPublic ()->GetIdentHash ()), " created"); |
|
} |
|
|
|
std::shared_ptr<ClientDestination> localDestination = nullptr; |
|
std::unique_lock<std::mutex> l(m_DestinationsMutex); |
|
auto it = m_Destinations.find (keys.GetPublic ()->GetIdentHash ()); |
|
if (it != m_Destinations.end ()) |
|
{ |
|
LogPrint (eLogWarning, "Clients: Local destination ", m_AddressBook.ToAddress(keys.GetPublic ()->GetIdentHash ()), " already exists"); |
|
localDestination = it->second; |
|
} |
|
else |
|
{ |
|
localDestination = std::make_shared<ClientDestination> (keys, isPublic); |
|
m_Destinations[localDestination->GetIdentHash ()] = localDestination; |
|
localDestination->Start (); |
|
} |
|
return localDestination; |
|
} |
|
|
|
std::shared_ptr<ClientDestination> ClientContext::CreateNewLocalDestination (bool isPublic, i2p::data::SigningKeyType sigType, |
|
const std::map<std::string, std::string> * params) |
|
{ |
|
i2p::data::PrivateKeys keys = i2p::data::PrivateKeys::CreateRandomKeys (sigType); |
|
auto localDestination = std::make_shared<ClientDestination> (keys, isPublic, params); |
|
std::unique_lock<std::mutex> l(m_DestinationsMutex); |
|
m_Destinations[localDestination->GetIdentHash ()] = localDestination; |
|
localDestination->Start (); |
|
return localDestination; |
|
} |
|
|
|
void ClientContext::DeleteLocalDestination (std::shared_ptr<ClientDestination> destination) |
|
{ |
|
if (!destination) return; |
|
auto it = m_Destinations.find (destination->GetIdentHash ()); |
|
if (it != m_Destinations.end ()) |
|
{ |
|
auto d = it->second; |
|
{ |
|
std::unique_lock<std::mutex> l(m_DestinationsMutex); |
|
m_Destinations.erase (it); |
|
} |
|
d->Stop (); |
|
} |
|
} |
|
|
|
std::shared_ptr<ClientDestination> ClientContext::CreateNewLocalDestination (const i2p::data::PrivateKeys& keys, bool isPublic, |
|
const std::map<std::string, std::string> * params) |
|
{ |
|
auto it = m_Destinations.find (keys.GetPublic ()->GetIdentHash ()); |
|
if (it != m_Destinations.end ()) |
|
{ |
|
LogPrint (eLogWarning, "Clients: Local destination ", m_AddressBook.ToAddress(keys.GetPublic ()->GetIdentHash ()), " exists"); |
|
if (!it->second->IsRunning ()) |
|
{ |
|
it->second->Start (); |
|
return it->second; |
|
} |
|
return nullptr; |
|
} |
|
auto localDestination = std::make_shared<ClientDestination> (keys, isPublic, params); |
|
std::unique_lock<std::mutex> l(m_DestinationsMutex); |
|
m_Destinations[keys.GetPublic ()->GetIdentHash ()] = localDestination; |
|
localDestination->Start (); |
|
return localDestination; |
|
} |
|
|
|
std::shared_ptr<ClientDestination> ClientContext::FindLocalDestination (const i2p::data::IdentHash& destination) const |
|
{ |
|
auto it = m_Destinations.find (destination); |
|
if (it != m_Destinations.end ()) |
|
return it->second; |
|
return nullptr; |
|
} |
|
|
|
// should be moved in i2p::utils::fs |
|
void ClientContext::ReadTunnels () |
|
{ |
|
boost::property_tree::ptree pt; |
|
std::string pathTunnelsConfigFile = i2p::util::filesystem::GetTunnelsConfigFile().string(); |
|
try |
|
{ |
|
boost::property_tree::read_ini (pathTunnelsConfigFile, pt); |
|
} |
|
catch (std::exception& ex) |
|
{ |
|
LogPrint (eLogWarning, "Clients: Can't read ", pathTunnelsConfigFile, ": ", ex.what ()); |
|
return; |
|
} |
|
|
|
int numClientTunnels = 0, numServerTunnels = 0; |
|
for (auto& section: pt) |
|
{ |
|
std::string name = section.first; |
|
try |
|
{ |
|
std::string type = section.second.get<std::string> (I2P_TUNNELS_SECTION_TYPE); |
|
if (type == I2P_TUNNELS_SECTION_TYPE_CLIENT) |
|
{ |
|
// mandatory params |
|
std::string dest = section.second.get<std::string> (I2P_CLIENT_TUNNEL_DESTINATION); |
|
int port = section.second.get<int> (I2P_CLIENT_TUNNEL_PORT); |
|
// optional params |
|
std::string keys = section.second.get (I2P_CLIENT_TUNNEL_KEYS, ""); |
|
std::string address = section.second.get (I2P_CLIENT_TUNNEL_ADDRESS, "127.0.0.1"); |
|
int destinationPort = section.second.get (I2P_CLIENT_TUNNEL_DESTINATION_PORT, 0); |
|
i2p::data::SigningKeyType sigType = section.second.get (I2P_CLIENT_TUNNEL_SIGNATURE_TYPE, i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA256_P256); |
|
|
|
std::shared_ptr<ClientDestination> localDestination = nullptr; |
|
if (keys.length () > 0) |
|
localDestination = LoadLocalDestination (keys, false, sigType); |
|
auto clientTunnel = new I2PClientTunnel (name, dest, address, port, localDestination, destinationPort); |
|
if (m_ClientTunnels.insert (std::make_pair (port, std::unique_ptr<I2PClientTunnel>(clientTunnel))).second) |
|
clientTunnel->Start (); |
|
else |
|
LogPrint (eLogError, "Clients: I2P client tunnel with port ", port, " already exists"); |
|
numClientTunnels++; |
|
} |
|
else if (type == I2P_TUNNELS_SECTION_TYPE_SERVER || type == I2P_TUNNELS_SECTION_TYPE_HTTP) |
|
{ |
|
// mandatory params |
|
std::string host = section.second.get<std::string> (I2P_SERVER_TUNNEL_HOST); |
|
int port = section.second.get<int> (I2P_SERVER_TUNNEL_PORT); |
|
std::string keys = section.second.get<std::string> (I2P_SERVER_TUNNEL_KEYS); |
|
// optional params |
|
int inPort = section.second.get (I2P_SERVER_TUNNEL_INPORT, 0); |
|
std::string accessList = section.second.get (I2P_SERVER_TUNNEL_ACCESS_LIST, ""); |
|
i2p::data::SigningKeyType sigType = section.second.get (I2P_SERVER_TUNNEL_SIGNATURE_TYPE, i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA256_P256); |
|
|
|
auto localDestination = LoadLocalDestination (keys, true, sigType); |
|
I2PServerTunnel * serverTunnel = (type == I2P_TUNNELS_SECTION_TYPE_HTTP) ? |
|
new I2PServerTunnelHTTP (name, host, port, localDestination, inPort) : |
|
new I2PServerTunnel (name, host, port, localDestination, inPort); |
|
if (accessList.length () > 0) |
|
{ |
|
std::set<i2p::data::IdentHash> idents; |
|
size_t pos = 0, comma; |
|
do |
|
{ |
|
comma = accessList.find (',', pos); |
|
i2p::data::IdentHash ident; |
|
ident.FromBase32 (accessList.substr (pos, comma != std::string::npos ? comma - pos : std::string::npos)); |
|
idents.insert (ident); |
|
pos = comma + 1; |
|
} |
|
while (comma != std::string::npos); |
|
serverTunnel->SetAccessList (idents); |
|
} |
|
if (m_ServerTunnels.insert (std::make_pair (localDestination->GetIdentHash (), std::unique_ptr<I2PServerTunnel>(serverTunnel))).second) |
|
serverTunnel->Start (); |
|
else |
|
LogPrint (eLogError, "Clients: I2P server tunnel for destination ", m_AddressBook.ToAddress(localDestination->GetIdentHash ()), " already exists"); |
|
numServerTunnels++; |
|
} |
|
else |
|
LogPrint (eLogWarning, "Clients: Unknown section type=", type, " of ", name, " in ", pathTunnelsConfigFile); |
|
|
|
} |
|
catch (std::exception& ex) |
|
{ |
|
LogPrint (eLogError, "Clients: Can't read tunnel ", name, " params: ", ex.what ()); |
|
} |
|
} |
|
LogPrint (eLogInfo, "Clients: ", numClientTunnels, " I2P client tunnels created"); |
|
LogPrint (eLogInfo, "Clients: ", numServerTunnels, " I2P server tunnels created"); |
|
} |
|
} |
|
}
|
|
|