Archives/i2pd
2
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd.git synced 2024-10-31 09:20:38 +00:00
Code Issues Projects Releases Wiki Activity
2cace0008e
i2pd/I2PControl.cpp

564 lines
19 KiB
C++
Raw Blame History

#include <stdio.h>
#include <sstream>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <boost/lexical_cast.hpp>
#include <boost/date_time/local_time/local_time.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/property_tree/ini_parser.hpp>
// There is bug in boost 1.49 with gcc 4.7 coming with Debian Wheezy
#define GCC47_BOOST149 ((BOOST_VERSION == 104900) && (__GNUC__ == 4) && (__GNUC_MINOR__ >= 7))
#if !GCC47_BOOST149
#include <boost/property_tree/json_parser.hpp>
#endif
#include "Log.h"
#include "Config.h"
#include "NetDb.h"
#include "RouterContext.h"
#include "Daemon.h"
#include "Tunnel.h"
#include "Timestamp.h"
#include "Transports.h"
#include "version.h"
#include "I2PControl.h"
namespace i2p
{
namespace client
{
I2PControlService::I2PControlService (const std::string& address, int port):
m_IsRunning (false), m_Thread (nullptr),
m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint(boost::asio::ip::address::from_string(address), port)),
m_SSLContext (m_Service, boost::asio::ssl::context::sslv23),
m_ShutdownTimer (m_Service)
{
GetOption("i2pcontrol.password", m_Password);
LoadConfig ();
// certificate
auto path = GetPath ();
if (!boost::filesystem::exists (path))
{
if (!boost::filesystem::create_directory (path))
LogPrint (eLogError, "Failed to create i2pcontrol directory");
}
if (!boost::filesystem::exists (path / I2P_CONTROL_KEY_FILE) ||
!boost::filesystem::exists (path / I2P_CONTROL_CERT_FILE))
{
// create new certificate
CreateCertificate ();
LogPrint (eLogInfo, "I2PControl certificates created");
}
m_SSLContext.set_options (boost::asio::ssl::context::default_workarounds | boost::asio::ssl::context::no_sslv2 | boost::asio::ssl::context::single_dh_use);
m_SSLContext.use_certificate_file ((path / I2P_CONTROL_CERT_FILE).string (), boost::asio::ssl::context::pem);
m_SSLContext.use_private_key_file ((path / I2P_CONTROL_KEY_FILE).string (), boost::asio::ssl::context::pem);
// handlers
m_MethodHandlers[I2P_CONTROL_METHOD_AUTHENTICATE] = &I2PControlService::AuthenticateHandler;
m_MethodHandlers[I2P_CONTROL_METHOD_ECHO] = &I2PControlService::EchoHandler;
m_MethodHandlers[I2P_CONTROL_METHOD_I2PCONTROL] = &I2PControlService::I2PControlHandler;
m_MethodHandlers[I2P_CONTROL_METHOD_ROUTER_INFO] = &I2PControlService::RouterInfoHandler;
m_MethodHandlers[I2P_CONTROL_METHOD_ROUTER_MANAGER] = &I2PControlService::RouterManagerHandler;
m_MethodHandlers[I2P_CONTROL_METHOD_NETWORK_SETTING] = &I2PControlService::NetworkSettingHandler;
// I2PControl
m_I2PControlHandlers[I2P_CONTROL_I2PCONTROL_PASSWORD] = &I2PControlService::PasswordHandler;
// RouterInfo
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_UPTIME] = &I2PControlService::UptimeHandler;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_VERSION] = &I2PControlService::VersionHandler;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_STATUS] = &I2PControlService::StatusHandler;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS] = &I2PControlService::NetDbKnownPeersHandler;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS] = &I2PControlService::NetDbActivePeersHandler;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_NET_STATUS] = &I2PControlService::NetStatusHandler;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING] = &I2PControlService::TunnelsParticipatingHandler;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_IB_1S] = &I2PControlService::InboundBandwidth1S ;
m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_OB_1S] = &I2PControlService::OutboundBandwidth1S ;
// RouterManager
m_RouterManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN] = &I2PControlService::ShutdownHandler;
m_RouterManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL] = &I2PControlService::ShutdownGracefulHandler;
m_RouterManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_RESEED] = &I2PControlService::ReseedHandler;
}
I2PControlService::~I2PControlService ()
{
Stop ();
}
void I2PControlService::LoadConfig ()
{
auto path = GetPath ();
if (!boost::filesystem::exists (path))
{
if (!boost::filesystem::create_directory (path))
LogPrint (eLogError, "Failed to create i2pcontrol directory");
}
boost::property_tree::ptree pt;
auto filename = path / I2P_CONTROL_CONFIG_FILE;
bool isNew = true;
if (boost::filesystem::exists (filename))
{
try
{
boost::property_tree::read_ini (filename.string (), pt);
isNew = false;
}
catch (std::exception& ex)
{
LogPrint (eLogError, "Can't read ", filename, ": ", ex.what ());
}
}
GetOption("i2pcontrol.password", m_Password);
}
void I2PControlService::Start ()
{
if (!m_IsRunning)
{
Accept ();
m_IsRunning = true;
m_Thread = new std::thread (std::bind (&I2PControlService::Run, this));
}
}
void I2PControlService::Stop ()
{
if (m_IsRunning)
{
m_IsRunning = false;
m_Acceptor.cancel ();
m_Service.stop ();
if (m_Thread)
{
m_Thread->join ();
delete m_Thread;
m_Thread = nullptr;
}
}
}
void I2PControlService::Run ()
{
while (m_IsRunning)
{
try
{
m_Service.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "I2PControl: ", ex.what ());
}
}
}
void I2PControlService::Accept ()
{
auto newSocket = std::make_shared<ssl_socket> (m_Service, m_SSLContext);
m_Acceptor.async_accept (newSocket->lowest_layer(), std::bind (&I2PControlService::HandleAccept, this,
std::placeholders::_1, newSocket));
}
void I2PControlService::HandleAccept(const boost::system::error_code& ecode, std::shared_ptr<ssl_socket> socket)
{
if (ecode != boost::asio::error::operation_aborted)
Accept ();
if (!ecode)
{
LogPrint (eLogInfo, "New I2PControl request from ", socket->lowest_layer ().remote_endpoint ());
Handshake (socket);
}
else
LogPrint (eLogError, "I2PControl accept error: ", ecode.message ());
}
void I2PControlService::Handshake (std::shared_ptr<ssl_socket> socket)
{
socket->async_handshake(boost::asio::ssl::stream_base::server,
std::bind( &I2PControlService::HandleHandshake, this, std::placeholders::_1, socket));
}
void I2PControlService::HandleHandshake (const boost::system::error_code& ecode, std::shared_ptr<ssl_socket> socket)
{
if (!ecode)
{
//std::this_thread::sleep_for (std::chrono::milliseconds(5));
ReadRequest (socket);
}
else
LogPrint (eLogError, "I2PControl handshake error: ", ecode.message ());
}
void I2PControlService::ReadRequest (std::shared_ptr<ssl_socket> socket)
{
auto request = std::make_shared<I2PControlBuffer>();
socket->async_read_some (
#if BOOST_VERSION >= 104900
boost::asio::buffer (*request),
#else
boost::asio::buffer (request->data (), request->size ()),
#endif
std::bind(&I2PControlService::HandleRequestReceived, this,
std::placeholders::_1, std::placeholders::_2, socket, request));
}
void I2PControlService::HandleRequestReceived (const boost::system::error_code& ecode,
size_t bytes_transferred, std::shared_ptr<ssl_socket> socket,
std::shared_ptr<I2PControlBuffer> buf)
{
if (ecode)
{
LogPrint (eLogError, "I2PControl read error: ", ecode.message ());
}
else
{
try
{
bool isHtml = !memcmp (buf->data (), "POST", 4);
std::stringstream ss;
ss.write (buf->data (), bytes_transferred);
if (isHtml)
{
std::string header;
size_t contentLength = 0;
while (!ss.eof () && header != "\r")
{
std::getline(ss, header);
auto colon = header.find (':');
if (colon != std::string::npos && header.substr (0, colon) == "Content-Length")
contentLength = std::stoi (header.substr (colon + 1));
}
if (ss.eof ())
{
LogPrint (eLogError, "Malformed I2PControl request. HTTP header expected");
return; // TODO:
}
std::streamoff rem = contentLength + ss.tellg () - bytes_transferred; // more bytes to read
if (rem > 0)
{
bytes_transferred = boost::asio::read (*socket, boost::asio::buffer (buf->data (), rem));
ss.write (buf->data (), bytes_transferred);
}
}
#if GCC47_BOOST149
LogPrint (eLogError, "json_read is not supported due bug in boost 1.49 with gcc 4.7");
#else
boost::property_tree::ptree pt;
boost::property_tree::read_json (ss, pt);
std::string method = pt.get<std::string>(I2P_CONTROL_PROPERTY_METHOD);
auto it = m_MethodHandlers.find (method);
if (it != m_MethodHandlers.end ())
{
std::ostringstream response;
response << "{\"id\":" << pt.get<std::string>(I2P_CONTROL_PROPERTY_ID) << ",\"result\":{";
(this->*(it->second))(pt.get_child (I2P_CONTROL_PROPERTY_PARAMS), response);
response << "},\"jsonrpc\":\"2.0\"}";
SendResponse (socket, buf, response, isHtml);
}
else
LogPrint (eLogWarning, "Unknown I2PControl method ", method);
#endif
}
catch (std::exception& ex)
{
LogPrint (eLogError, "I2PControl handle request: ", ex.what ());
}
catch (...)
{
LogPrint (eLogError, "I2PControl handle request unknown exception");
}
}
}
void I2PControlService::InsertParam (std::ostringstream& ss, const std::string& name, int value) const
{
ss << "\"" << name << "\":" << value;
}
void I2PControlService::InsertParam (std::ostringstream& ss, const std::string& name, const std::string& value) const
{
ss << "\"" << name << "\":";
if (value.length () > 0)
ss << "\"" << value << "\"";
else
ss << "null";
}
void I2PControlService::InsertParam (std::ostringstream& ss, const std::string& name, double value) const
{
ss << "\"" << name << "\":" << std::fixed << std::setprecision(2) << value;
}
void I2PControlService::SendResponse (std::shared_ptr<ssl_socket> socket,
std::shared_ptr<I2PControlBuffer> buf, std::ostringstream& response, bool isHtml)
{
size_t len = response.str ().length (), offset = 0;
if (isHtml)
{
std::ostringstream header;
header << "HTTP/1.1 200 OK\r\n";
header << "Connection: close\r\n";
header << "Content-Length: " << boost::lexical_cast<std::string>(len) << "\r\n";
header << "Content-Type: application/json\r\n";
header << "Date: ";
auto facet = new boost::local_time::local_time_facet ("%a, %d %b %Y %H:%M:%S GMT");
header.imbue(std::locale (header.getloc(), facet));
header << boost::posix_time::second_clock::local_time() << "\r\n";
header << "\r\n";
offset = header.str ().size ();
memcpy (buf->data (), header.str ().c_str (), offset);
}
memcpy (buf->data () + offset, response.str ().c_str (), len);
boost::asio::async_write (*socket, boost::asio::buffer (buf->data (), offset + len),
boost::asio::transfer_all (),
std::bind(&I2PControlService::HandleResponseSent, this,
std::placeholders::_1, std::placeholders::_2, socket, buf));
}
void I2PControlService::HandleResponseSent (const boost::system::error_code& ecode, std::size_t bytes_transferred,
std::shared_ptr<ssl_socket> socket, std::shared_ptr<I2PControlBuffer> buf)
{
if (ecode)
LogPrint (eLogError, "I2PControl write error: ", ecode.message ());
}
// handlers
void I2PControlService::AuthenticateHandler (const boost::property_tree::ptree& params, std::ostringstream& results)
{
int api = params.get<int> (I2P_CONTROL_PARAM_API);
auto password = params.get<std::string> (I2P_CONTROL_PARAM_PASSWORD);
LogPrint (eLogDebug, "I2PControl Authenticate API=", api, " Password=", password);
if (password != m_Password)
LogPrint (eLogError, "I2PControl Authenticate Invalid password ", password, " expected ", m_Password);
InsertParam (results, I2P_CONTROL_PARAM_API, api);
results << ",";
std::string token = boost::lexical_cast<std::string>(i2p::util::GetSecondsSinceEpoch ());
m_Tokens.insert (token);
InsertParam (results, I2P_CONTROL_PARAM_TOKEN, token);
}
void I2PControlService::EchoHandler (const boost::property_tree::ptree& params, std::ostringstream& results)
{
auto echo = params.get<std::string> (I2P_CONTROL_PARAM_ECHO);
LogPrint (eLogDebug, "I2PControl Echo Echo=", echo);
InsertParam (results, I2P_CONTROL_PARAM_RESULT, echo);
}
// I2PControl
void I2PControlService::I2PControlHandler (const boost::property_tree::ptree& params, std::ostringstream& results)
{
LogPrint (eLogDebug, "I2PControl I2PControl");
for (auto& it: params)
{
LogPrint (eLogDebug, it.first);
auto it1 = m_I2PControlHandlers.find (it.first);
if (it1 != m_I2PControlHandlers.end ())
{
(this->*(it1->second))(it.second.data ());
InsertParam (results, it.first, "");
}
else
LogPrint (eLogError, "I2PControl I2PControl unknown request ", it.first);
}
}
void I2PControlService::PasswordHandler (const std::string& value)
{
LogPrint (eLogDebug, "I2PControl: new password=", value, ", to make it persistent you should update your config!");
m_Password = value;
m_Tokens.clear ();
}
// RouterInfo
void I2PControlService::RouterInfoHandler (const boost::property_tree::ptree& params, std::ostringstream& results)
{
LogPrint (eLogDebug, "I2PControl RouterInfo");
for (auto it = params.begin (); it != params.end (); it++)
{
LogPrint (eLogDebug, it->first);
auto it1 = m_RouterInfoHandlers.find (it->first);
if (it1 != m_RouterInfoHandlers.end ())
{
if (it != params.begin ()) results << ",";
(this->*(it1->second))(results);
}
else
LogPrint (eLogError, "I2PControl RouterInfo unknown request ", it->first);
}
}
void I2PControlService::UptimeHandler (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_UPTIME, (int)i2p::context.GetUptime ()*1000);
}
void I2PControlService::VersionHandler (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_VERSION, VERSION);
}
void I2PControlService::StatusHandler (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_STATUS, "???"); // TODO:
}
void I2PControlService::NetDbKnownPeersHandler (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS, i2p::data::netdb.GetNumRouters ());
}
void I2PControlService::NetDbActivePeersHandler (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS, (int)i2p::transport::transports.GetPeers ().size ());
}
void I2PControlService::NetStatusHandler (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_NET_STATUS, (int)i2p::context.GetStatus ());
}
void I2PControlService::TunnelsParticipatingHandler (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING, (int)i2p::tunnel::tunnels.GetTransitTunnels ().size ());
}
void I2PControlService::InboundBandwidth1S (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_BW_IB_1S, (double)i2p::transport::transports.GetInBandwidth ());
}
void I2PControlService::OutboundBandwidth1S (std::ostringstream& results)
{
InsertParam (results, I2P_CONTROL_ROUTER_INFO_BW_OB_1S, (double)i2p::transport::transports.GetOutBandwidth ());
}
// RouterManager
void I2PControlService::RouterManagerHandler (const boost::property_tree::ptree& params, std::ostringstream& results)
{
LogPrint (eLogDebug, "I2PControl RouterManager");
for (auto it = params.begin (); it != params.end (); it++)
{
if (it != params.begin ()) results << ",";
LogPrint (eLogDebug, it->first);
auto it1 = m_RouterManagerHandlers.find (it->first);
if (it1 != m_RouterManagerHandlers.end ())
(this->*(it1->second))(results);
else
LogPrint (eLogError, "I2PControl RouterManager unknown request ", it->first);
}
}
void I2PControlService::ShutdownHandler (std::ostringstream& results)
{
LogPrint (eLogInfo, "Shutdown requested");
InsertParam (results, I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN, "");
m_ShutdownTimer.expires_from_now (boost::posix_time::seconds(1)); // 1 second to make sure response has been sent
m_ShutdownTimer.async_wait (
[](const boost::system::error_code& ecode)
{
Daemon.running = 0;
});
}
void I2PControlService::ShutdownGracefulHandler (std::ostringstream& results)
{
i2p::context.SetAcceptsTunnels (false);
int timeout = i2p::tunnel::tunnels.GetTransitTunnelsExpirationTimeout ();
LogPrint (eLogInfo, "Graceful shutdown requested. Will shutdown after ", timeout, " seconds");
InsertParam (results, I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL, "");
m_ShutdownTimer.expires_from_now (boost::posix_time::seconds(timeout + 1)); // + 1 second
m_ShutdownTimer.async_wait (
[](const boost::system::error_code& ecode)
{
Daemon.running = 0;
});
}
void I2PControlService::ReseedHandler (std::ostringstream& results)
{
LogPrint (eLogInfo, "Reseed requested");
InsertParam (results, I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN, "");
i2p::data::netdb.Reseed ();
}
// network setting
void I2PControlService::NetworkSettingHandler (const boost::property_tree::ptree& params, std::ostringstream& results)
{
LogPrint (eLogDebug, "I2PControl NetworkSetting");
for (auto it = params.begin (); it != params.end (); it++)
{
if (it != params.begin ()) results << ",";
LogPrint (eLogDebug, it->first);
auto it1 = m_NetworkSettingHandlers.find (it->first);
if (it1 != m_NetworkSettingHandlers.end ())
(this->*(it1->second))(it->second.data (), results);
else
LogPrint (eLogError, "I2PControl NetworkSetting unknown request ", it->first);
}
}
// certificate
void I2PControlService::CreateCertificate ()
{
EVP_PKEY * pkey = EVP_PKEY_new ();
RSA * rsa = RSA_new ();
BIGNUM * e = BN_dup (i2p::crypto::GetRSAE ());
RSA_generate_key_ex (rsa, 4096, e, NULL);
BN_free (e);
if (rsa)
{
EVP_PKEY_assign_RSA (pkey, rsa);
X509 * x509 = X509_new ();
ASN1_INTEGER_set (X509_get_serialNumber (x509), 1);
X509_gmtime_adj (X509_get_notBefore (x509), 0);
X509_gmtime_adj (X509_get_notAfter (x509), I2P_CONTROL_CERTIFICATE_VALIDITY*24*60*60); // expiration
X509_set_pubkey (x509, pkey); // public key
X509_NAME * name = X509_get_subject_name (x509);
X509_NAME_add_entry_by_txt (name, "C", MBSTRING_ASC, (unsigned char *)"RU", -1, -1, 0); // country (Russia by default)
X509_NAME_add_entry_by_txt (name, "O", MBSTRING_ASC, (unsigned char *)I2P_CONTROL_CERTIFICATE_ORGANIZATION, -1, -1, 0); // organization
X509_NAME_add_entry_by_txt (name, "CN", MBSTRING_ASC, (unsigned char *)I2P_CONTROL_CERTIFICATE_COMMON_NAME, -1, -1, 0); // common name
X509_set_issuer_name (x509, name); // set issuer to ourselves
X509_sign (x509, pkey, EVP_sha1 ()); // sign
// save key and certificate
// keys
auto filename = GetPath () / I2P_CONTROL_KEY_FILE;
FILE * f= fopen (filename.string ().c_str (), "wb");
if (f)
{
PEM_write_PrivateKey (f, pkey, NULL, NULL, 0, NULL, NULL);
fclose (f);
}
else
LogPrint (eLogError, "Can't open file ", filename);
// certificate
filename = GetPath () / I2P_CONTROL_CERT_FILE;
f= fopen (filename.string ().c_str (), "wb");
if (f)
{
PEM_write_X509 (f, x509);
fclose (f);
}
else
LogPrint (eLogError, "Can't open file ", filename);
X509_free (x509);
}
else
LogPrint (eLogError, "Couldn't create RSA key for certificate");
EVP_PKEY_free (pkey);
}
}
}
Reference in New Issue View Git Blame Copy Permalink