mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2025-11-04 08:30:46 +00:00
Create I2Pservice as a way to integrate service management, hide unnecessary handlers
This commit is contained in:
Francisco Blas (klondike) Izquierdo Riera
parent
88560d06a1
commit
dd42819a2f
13 changed files with 321 additions and 327 deletions
8
BOB.cpp
8
BOB.cpp
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@ -28,7 +28,7 @@ namespace client
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void BOBI2PInboundTunnel::Stop ()
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{
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m_Acceptor.close();
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ClearConnections ();
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ClearHandlers ();
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}
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void BOBI2PInboundTunnel::Accept ()
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@ -136,7 +136,7 @@ namespace client
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{
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LogPrint ("New BOB inbound connection");
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auto connection = std::make_shared<I2PTunnelConnection>(this, receiver->socket, leaseSet);
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AddConnection (connection);
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AddHandler (connection);
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connection->I2PConnect (receiver->data, receiver->dataLen);
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delete receiver;
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}
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@ -154,7 +154,7 @@ namespace client
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void BOBI2POutboundTunnel::Stop ()
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{
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ClearConnections ();
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ClearHandlers ();
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}
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void BOBI2POutboundTunnel::Accept ()
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@ -171,7 +171,7 @@ namespace client
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if (stream)
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{
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auto conn = std::make_shared<I2PTunnelConnection> (this, stream, new boost::asio::ip::tcp::socket (GetService ()), m_Endpoint, m_IsQuiet);
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AddConnection (conn);
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AddHandler (conn);
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conn->Connect ();
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}
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}
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5
BOB.h
5
BOB.h
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@ -8,6 +8,7 @@
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#include <string>
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#include <boost/asio.hpp>
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#include "I2PTunnel.h"
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#include "I2PService.h"
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#include "Identity.h"
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#include "LeaseSet.h"
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@ -41,12 +42,12 @@ namespace client
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const char BOB_REPLY_ERROR[] = "ERROR %s\n";
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const char BOB_DATA[] = "NICKNAME %s\n";
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class BOBI2PTunnel: public I2PTunnel
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class BOBI2PTunnel: public I2PService
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{
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public:
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BOBI2PTunnel (ClientDestination * localDestination):
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I2PTunnel (localDestination) {};
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I2PService (localDestination) {};
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virtual void Start () {};
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virtual void Stop () {};
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@ -2,16 +2,61 @@
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#include <cassert>
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#include <boost/lexical_cast.hpp>
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#include <boost/regex.hpp>
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#include <string>
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#include <atomic>
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#include "HTTPProxy.h"
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#include "Identity.h"
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#include "Streaming.h"
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#include "Destination.h"
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#include "ClientContext.h"
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#include "I2PEndian.h"
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#include "I2PTunnel.h"
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namespace i2p
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{
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namespace proxy
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{
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static const size_t http_buffer_size = 8192;
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class HTTPProxyHandler: public i2p::client::I2PServiceHandler, public std::enable_shared_from_this<HTTPProxyHandler> {
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private:
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enum state {
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GET_METHOD,
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GET_HOSTNAME,
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GET_HTTPV,
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GET_HTTPVNL, //TODO: fallback to finding HOst: header if needed
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DONE
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};
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void EnterState(state nstate);
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bool HandleData(uint8_t *http_buff, std::size_t len);
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void HandleSockRecv(const boost::system::error_code & ecode, std::size_t bytes_transfered);
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void Terminate();
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void AsyncSockRead();
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void HTTPRequestFailed(/*std::string message*/);
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void ExtractRequest();
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bool ValidateHTTPRequest();
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bool CreateHTTPRequest(uint8_t *http_buff, std::size_t len);
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void SentHTTPFailed(const boost::system::error_code & ecode);
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void HandleStreamRequestComplete (std::shared_ptr<i2p::stream::Stream> stream);
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uint8_t m_http_buff[http_buffer_size];
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boost::asio::ip::tcp::socket * m_sock;
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std::string m_request; //Data left to be sent
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std::string m_url; //URL
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std::string m_method; //Method
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std::string m_version; //HTTP version
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std::string m_address; //Address
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std::string m_path; //Path
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int m_port; //Port
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state m_state;//Parsing state
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public:
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HTTPProxyHandler(HTTPProxyServer * parent, boost::asio::ip::tcp::socket * sock) :
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I2PServiceHandler(parent), m_sock(sock)
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{ AsyncSockRead(); EnterState(GET_METHOD); }
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~HTTPProxyHandler() { Terminate(); }
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};
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void HTTPProxyHandler::AsyncSockRead()
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{
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LogPrint(eLogDebug,"--- HTTP Proxy async sock read");
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@ -24,19 +69,15 @@ namespace proxy
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}
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}
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void HTTPProxyHandler::Done() {
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if (m_parent) m_parent->RemoveHandler (shared_from_this ());
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}
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void HTTPProxyHandler::Terminate() {
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if (dead.exchange(true)) return;
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if (Kill()) return;
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if (m_sock) {
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LogPrint(eLogDebug,"--- HTTP Proxy close sock");
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m_sock->close();
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delete m_sock;
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m_sock = nullptr;
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}
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Done();
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Done(shared_from_this());
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}
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/* All hope is lost beyond this point */
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@ -155,7 +196,7 @@ namespace proxy
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if (HandleData(m_http_buff, len)) {
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if (m_state == DONE) {
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LogPrint(eLogInfo,"--- HTTP Proxy requested: ", m_url);
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m_parent->GetLocalDestination ()->CreateStream (
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GetOwner()->GetLocalDestination ()->CreateStream (
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std::bind (&HTTPProxyHandler::HandleStreamRequestComplete,
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this, std::placeholders::_1), m_address, m_port);
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} else {
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@ -178,12 +219,12 @@ namespace proxy
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void HTTPProxyHandler::HandleStreamRequestComplete (std::shared_ptr<i2p::stream::Stream> stream)
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{
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if (stream) {
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if (dead.exchange(true)) return;
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if (Kill()) return;
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LogPrint (eLogInfo,"--- HTTP Proxy New I2PTunnel connection");
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auto connection = std::make_shared<i2p::client::I2PTunnelConnection>((i2p::client::I2PTunnel *)m_parent, m_sock, stream);
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m_parent->AddConnection (connection);
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auto connection = std::make_shared<i2p::client::I2PTunnelConnection>(GetOwner(), m_sock, stream);
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GetOwner()->AddHandler (connection);
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connection->I2PConnect (reinterpret_cast<const uint8_t*>(m_request.data()), m_request.size());
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Done();
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Done(shared_from_this());
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} else {
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LogPrint (eLogError,"--- HTTP Proxy Issue when creating the stream, check the previous warnings for more info.");
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HTTPRequestFailed(); // TODO: Send correct error message host unreachable
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@ -200,7 +241,6 @@ namespace proxy
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{
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m_Acceptor.close();
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m_Timer.cancel ();
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ClearConnections ();
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ClearHandlers();
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}
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@ -211,23 +251,6 @@ namespace proxy
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std::placeholders::_1, newSocket));
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}
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void HTTPProxyServer::AddHandler (std::shared_ptr<HTTPProxyHandler> handler) {
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std::unique_lock<std::mutex> l(m_HandlersMutex);
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m_Handlers.insert (handler);
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}
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void HTTPProxyServer::RemoveHandler (std::shared_ptr<HTTPProxyHandler> handler)
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{
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std::unique_lock<std::mutex> l(m_HandlersMutex);
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m_Handlers.erase (handler);
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}
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void HTTPProxyServer::ClearHandlers ()
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{
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std::unique_lock<std::mutex> l(m_HandlersMutex);
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m_Handlers.clear ();
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}
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void HTTPProxyServer::HandleAccept (const boost::system::error_code& ecode, boost::asio::ip::tcp::socket * socket)
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{
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if (!ecode)
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61
HTTPProxy.h
61
HTTPProxy.h
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@ -2,67 +2,17 @@
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#define HTTP_PROXY_H__
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#include <memory>
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#include <string>
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#include <set>
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#include <boost/asio.hpp>
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#include <mutex>
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#include <atomic>
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#include "Identity.h"
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#include "Streaming.h"
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#include "I2PTunnel.h"
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#include "I2PService.h"
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namespace i2p
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{
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namespace proxy
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{
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const size_t http_buffer_size = 8192;
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class HTTPProxyServer;
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class HTTPProxyHandler: public std::enable_shared_from_this<HTTPProxyHandler> {
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private:
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enum state {
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GET_METHOD,
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GET_HOSTNAME,
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GET_HTTPV,
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GET_HTTPVNL, //TODO: fallback to finding HOst: header if needed
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DONE
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};
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void EnterState(state nstate);
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bool HandleData(uint8_t *http_buff, std::size_t len);
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void HandleSockRecv(const boost::system::error_code & ecode, std::size_t bytes_transfered);
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void Done();
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void Terminate();
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void AsyncSockRead();
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void HTTPRequestFailed(/*std::string message*/);
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void ExtractRequest();
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bool ValidateHTTPRequest();
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bool CreateHTTPRequest(uint8_t *http_buff, std::size_t len);
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void SentHTTPFailed(const boost::system::error_code & ecode);
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void HandleStreamRequestComplete (std::shared_ptr<i2p::stream::Stream> stream);
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uint8_t m_http_buff[http_buffer_size];
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HTTPProxyServer * m_parent;
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boost::asio::ip::tcp::socket * m_sock;
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std::string m_request; //Data left to be sent
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std::string m_url; //URL
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std::string m_method; //Method
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std::string m_version; //HTTP version
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std::string m_address; //Address
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std::string m_path; //Path
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int m_port; //Port
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std::atomic<bool> dead; //To avoid cleaning up multiple times
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state m_state;//Parsing state
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public:
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HTTPProxyHandler(HTTPProxyServer * parent, boost::asio::ip::tcp::socket * sock) :
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m_parent(parent), m_sock(sock), dead(false)
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{ AsyncSockRead(); EnterState(GET_METHOD); }
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~HTTPProxyHandler() { Terminate(); }
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};
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class HTTPProxyServer: public i2p::client::I2PTunnel
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class HTTPProxyHandler;
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class HTTPProxyServer: public i2p::client::I2PService
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{
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private:
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std::set<std::shared_ptr<HTTPProxyHandler> > m_Handlers;
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@ -76,16 +26,13 @@ namespace proxy
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void HandleAccept(const boost::system::error_code& ecode, boost::asio::ip::tcp::socket * socket);
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public:
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HTTPProxyServer(int port) : I2PTunnel(nullptr),
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HTTPProxyServer(int port) : I2PService(nullptr),
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m_Acceptor (GetService (), boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port)),
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m_Timer (GetService ()) {};
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~HTTPProxyServer() { Stop(); }
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void Start ();
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void Stop ();
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void AddHandler (std::shared_ptr<HTTPProxyHandler> handler);
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void RemoveHandler (std::shared_ptr<HTTPProxyHandler> handler);
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void ClearHandlers ();
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};
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typedef HTTPProxyServer HTTPProxy;
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19
I2PService.cpp
Normal file
19
I2PService.cpp
Normal file
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@ -0,0 +1,19 @@
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#include "Destination.h"
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#include "Identity.h"
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#include "ClientContext.h"
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#include "I2PService.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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static const i2p::data::SigningKeyType I2P_SERVICE_DEFAULT_KEY_TYPE = i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA256_P256;
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I2PService::I2PService (ClientDestination * localDestination):
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m_LocalDestination (localDestination ? localDestination :
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i2p::client::context.CreateNewLocalDestination (false, I2P_SERVICE_DEFAULT_KEY_TYPE))
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{
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}
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}
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}
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73
I2PService.h
Normal file
73
I2PService.h
Normal file
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@ -0,0 +1,73 @@
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#ifndef I2PSERVICE_H__
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#define I2PSERVICE_H__
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#include <atomic>
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#include <mutex>
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#include <unordered_set>
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#include <memory>
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#include <boost/asio.hpp>
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#include "Destination.h"
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#include "Identity.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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class I2PServiceHandler;
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class I2PService
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{
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public:
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I2PService (ClientDestination * localDestination = nullptr);
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virtual ~I2PService () { ClearHandlers (); }
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inline void AddHandler (std::shared_ptr<I2PServiceHandler> conn) {
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std::unique_lock<std::mutex> l(m_HandlersMutex);
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m_Handlers.insert(conn);
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}
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inline void RemoveHandler (std::shared_ptr<I2PServiceHandler> conn) {
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std::unique_lock<std::mutex> l(m_HandlersMutex);
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m_Handlers.erase(conn);
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}
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inline void ClearHandlers () {
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std::unique_lock<std::mutex> l(m_HandlersMutex);
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m_Handlers.clear();
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}
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inline ClientDestination * GetLocalDestination () { return m_LocalDestination; };
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inline void SetLocalDestination (ClientDestination * dest) { m_LocalDestination = dest; };
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inline boost::asio::io_service& GetService () { return m_LocalDestination->GetService (); };
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virtual void Start () = 0;
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virtual void Stop () = 0;
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private:
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ClientDestination * m_LocalDestination;
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std::unordered_set<std::shared_ptr<I2PServiceHandler> > m_Handlers;
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std::mutex m_HandlersMutex;
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};
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/*Simple interface for I2PHandlers, allows detection of finalization amongst other things */
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class I2PServiceHandler
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{
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public:
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I2PServiceHandler(I2PService * parent) : m_Dead(false), m_Service(parent) { }
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virtual ~I2PServiceHandler() { }
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protected:
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// Call when terminating or handing over to avoid race conditions
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inline bool Kill() { return m_Dead.exchange(true); }
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// Call to know if the handler is dead
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inline bool Dead() { return m_Dead; }
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// Call when done to clean up (make sure Kill is called first)
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inline void Done(std::shared_ptr<I2PServiceHandler> me) { if(m_Service) m_Service->RemoveHandler(me); }
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// Call to talk with the owner
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inline I2PService * GetOwner() { return m_Service; }
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private:
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I2PService *m_Service;
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std::atomic<bool> m_Dead; //To avoid cleaning up multiple times
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};
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}
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}
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#endif
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@ -9,24 +9,25 @@ namespace i2p
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{
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namespace client
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{
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I2PTunnelConnection::I2PTunnelConnection (I2PTunnel * owner,
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I2PTunnelConnection::I2PTunnelConnection (I2PService * owner,
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boost::asio::ip::tcp::socket * socket, const i2p::data::LeaseSet * leaseSet):
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m_Socket (socket), m_Owner (owner), m_RemoteEndpoint (socket->remote_endpoint ()),
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I2PServiceHandler(owner), m_Socket (socket), m_RemoteEndpoint (socket->remote_endpoint ()),
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m_IsQuiet (true)
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{
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m_Stream = m_Owner->GetLocalDestination ()->CreateStream (*leaseSet);
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m_Stream = GetOwner()->GetLocalDestination ()->CreateStream (*leaseSet);
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}
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I2PTunnelConnection::I2PTunnelConnection (I2PTunnel * owner,
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I2PTunnelConnection::I2PTunnelConnection (I2PService * owner,
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boost::asio::ip::tcp::socket * socket, std::shared_ptr<i2p::stream::Stream> stream):
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m_Socket (socket), m_Stream (stream), m_Owner (owner),
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I2PServiceHandler(owner), m_Socket (socket), m_Stream (stream),
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m_RemoteEndpoint (socket->remote_endpoint ()), m_IsQuiet (true)
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{
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}
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I2PTunnelConnection::I2PTunnelConnection (I2PTunnel * owner, std::shared_ptr<i2p::stream::Stream> stream,
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I2PTunnelConnection::I2PTunnelConnection (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
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boost::asio::ip::tcp::socket * socket, const boost::asio::ip::tcp::endpoint& target, bool quiet):
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m_Socket (socket), m_Stream (stream), m_Owner (owner), m_RemoteEndpoint (target), m_IsQuiet (quiet)
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I2PServiceHandler(owner), m_Socket (socket), m_Stream (stream),
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m_RemoteEndpoint (target), m_IsQuiet (quiet)
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{
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}
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@ -56,15 +57,15 @@ namespace client
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}
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void I2PTunnelConnection::Terminate ()
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{
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{
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if (Kill()) return;
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if (m_Stream)
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{
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m_Stream->Close ();
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m_Stream.reset ();
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}
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m_Socket->close ();
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if (m_Owner)
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m_Owner->RemoveConnection (shared_from_this ());
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Done(shared_from_this ());
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}
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void I2PTunnelConnection::Receive ()
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@ -150,28 +151,8 @@ namespace client
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}
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}
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I2PTunnel::I2PTunnel (ClientDestination * localDestination) :
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m_LocalDestination (localDestination ? localDestination :
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i2p::client::context.CreateNewLocalDestination (false, I2P_TUNNEL_DEFAULT_KEY_TYPE))
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{
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}
|
||||
void I2PTunnel::AddConnection (std::shared_ptr<I2PTunnelConnection> conn)
|
||||
{
|
||||
m_Connections.insert (conn);
|
||||
}
|
||||
|
||||
void I2PTunnel::RemoveConnection (std::shared_ptr<I2PTunnelConnection> conn)
|
||||
{
|
||||
m_Connections.erase (conn);
|
||||
}
|
||||
|
||||
void I2PTunnel::ClearConnections ()
|
||||
{
|
||||
m_Connections.clear ();
|
||||
}
|
||||
|
||||
I2PClientTunnel::I2PClientTunnel (const std::string& destination, int port, ClientDestination * localDestination):
|
||||
I2PTunnel (localDestination),
|
||||
I2PService (localDestination),
|
||||
m_Acceptor (GetService (), boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port)),
|
||||
m_Timer (GetService ()), m_Destination (destination), m_DestinationIdentHash (nullptr)
|
||||
{
|
||||
|
|
@ -193,7 +174,7 @@ namespace client
|
|||
{
|
||||
m_Acceptor.close();
|
||||
m_Timer.cancel ();
|
||||
ClearConnections ();
|
||||
ClearHandlers ();
|
||||
auto *originalIdentHash = m_DestinationIdentHash;
|
||||
m_DestinationIdentHash = nullptr;
|
||||
delete originalIdentHash;
|
||||
|
|
@ -250,7 +231,7 @@ namespace client
|
|||
{
|
||||
LogPrint (eLogInfo,"New I2PTunnel connection");
|
||||
auto connection = std::make_shared<I2PTunnelConnection>(this, socket, stream);
|
||||
AddConnection (connection);
|
||||
AddHandler (connection);
|
||||
connection->I2PConnect ();
|
||||
}
|
||||
else
|
||||
|
|
@ -261,7 +242,7 @@ namespace client
|
|||
}
|
||||
|
||||
I2PServerTunnel::I2PServerTunnel (const std::string& address, int port, ClientDestination * localDestination):
|
||||
I2PTunnel (localDestination), m_Endpoint (boost::asio::ip::address::from_string (address), port)
|
||||
I2PService (localDestination), m_Endpoint (boost::asio::ip::address::from_string (address), port)
|
||||
{
|
||||
}
|
||||
|
||||
|
|
@ -272,7 +253,7 @@ namespace client
|
|||
|
||||
void I2PServerTunnel::Stop ()
|
||||
{
|
||||
ClearConnections ();
|
||||
ClearHandlers ();
|
||||
}
|
||||
|
||||
void I2PServerTunnel::Accept ()
|
||||
|
|
@ -289,7 +270,7 @@ namespace client
|
|||
if (stream)
|
||||
{
|
||||
auto conn = std::make_shared<I2PTunnelConnection> (this, stream, new boost::asio::ip::tcp::socket (GetService ()), m_Endpoint);
|
||||
AddConnection (conn);
|
||||
AddHandler (conn);
|
||||
conn->Connect ();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
43
I2PTunnel.h
43
I2PTunnel.h
|
|
@ -9,6 +9,7 @@
|
|||
#include "Identity.h"
|
||||
#include "Destination.h"
|
||||
#include "Streaming.h"
|
||||
#include "I2PService.h"
|
||||
|
||||
namespace i2p
|
||||
{
|
||||
|
|
@ -17,21 +18,19 @@ namespace client
|
|||
const size_t I2P_TUNNEL_CONNECTION_BUFFER_SIZE = 8192;
|
||||
const int I2P_TUNNEL_CONNECTION_MAX_IDLE = 3600; // in seconds
|
||||
const int I2P_TUNNEL_DESTINATION_REQUEST_TIMEOUT = 10; // in seconds
|
||||
const i2p::data::SigningKeyType I2P_TUNNEL_DEFAULT_KEY_TYPE = i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA256_P256;
|
||||
|
||||
class I2PTunnel;
|
||||
class I2PTunnelConnection: public std::enable_shared_from_this<I2PTunnelConnection>
|
||||
|
||||
class I2PTunnelConnection: public I2PServiceHandler, public std::enable_shared_from_this<I2PTunnelConnection>
|
||||
{
|
||||
public:
|
||||
|
||||
I2PTunnelConnection (I2PTunnel * owner, boost::asio::ip::tcp::socket * socket,
|
||||
I2PTunnelConnection (I2PService * owner, boost::asio::ip::tcp::socket * socket,
|
||||
const i2p::data::LeaseSet * leaseSet); // to I2P
|
||||
I2PTunnelConnection (I2PTunnel * owner, boost::asio::ip::tcp::socket * socket,
|
||||
I2PTunnelConnection (I2PService * owner, boost::asio::ip::tcp::socket * socket,
|
||||
std::shared_ptr<i2p::stream::Stream> stream); // to I2P using simplified API :)
|
||||
I2PTunnelConnection (I2PTunnel * owner, std::shared_ptr<i2p::stream::Stream> stream, boost::asio::ip::tcp::socket * socket,
|
||||
I2PTunnelConnection (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream, boost::asio::ip::tcp::socket * socket,
|
||||
const boost::asio::ip::tcp::endpoint& target, bool quiet = true); // from I2P
|
||||
~I2PTunnelConnection ();
|
||||
|
||||
void I2PConnect (const uint8_t * msg = nullptr, size_t len = 0);
|
||||
void Connect ();
|
||||
|
||||
|
|
@ -52,33 +51,11 @@ namespace client
|
|||
uint8_t m_Buffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE], m_StreamBuffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE];
|
||||
boost::asio::ip::tcp::socket * m_Socket;
|
||||
std::shared_ptr<i2p::stream::Stream> m_Stream;
|
||||
I2PTunnel * m_Owner;
|
||||
boost::asio::ip::tcp::endpoint m_RemoteEndpoint;
|
||||
bool m_IsQuiet; // don't send destination
|
||||
};
|
||||
};
|
||||
|
||||
class I2PTunnel
|
||||
{
|
||||
public:
|
||||
|
||||
I2PTunnel (ClientDestination * localDestination = nullptr);
|
||||
virtual ~I2PTunnel () { ClearConnections (); };
|
||||
|
||||
void AddConnection (std::shared_ptr<I2PTunnelConnection> conn);
|
||||
void RemoveConnection (std::shared_ptr<I2PTunnelConnection> conn);
|
||||
void ClearConnections ();
|
||||
ClientDestination * GetLocalDestination () { return m_LocalDestination; };
|
||||
void SetLocalDestination (ClientDestination * dest) { m_LocalDestination = dest; };
|
||||
|
||||
boost::asio::io_service& GetService () { return m_LocalDestination->GetService (); };
|
||||
|
||||
private:
|
||||
|
||||
ClientDestination * m_LocalDestination;
|
||||
std::set<std::shared_ptr<I2PTunnelConnection> > m_Connections;
|
||||
};
|
||||
|
||||
class I2PClientTunnel: public I2PTunnel
|
||||
class I2PClientTunnel: public I2PService
|
||||
{
|
||||
public:
|
||||
|
||||
|
|
@ -103,7 +80,7 @@ namespace client
|
|||
const i2p::data::IdentHash * m_DestinationIdentHash;
|
||||
};
|
||||
|
||||
class I2PServerTunnel: public I2PTunnel
|
||||
class I2PServerTunnel: public I2PService
|
||||
{
|
||||
public:
|
||||
|
||||
|
|
@ -121,7 +98,7 @@ namespace client
|
|||
|
||||
boost::asio::ip::tcp::endpoint m_Endpoint;
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
160
SOCKS.cpp
160
SOCKS.cpp
|
|
@ -1,15 +1,137 @@
|
|||
#include <cstring>
|
||||
#include <cassert>
|
||||
#include <string>
|
||||
#include <atomic>
|
||||
#include "SOCKS.h"
|
||||
#include "Identity.h"
|
||||
#include "Streaming.h"
|
||||
#include "Destination.h"
|
||||
#include "ClientContext.h"
|
||||
#include "I2PEndian.h"
|
||||
#include "I2PTunnel.h"
|
||||
|
||||
namespace i2p
|
||||
{
|
||||
namespace proxy
|
||||
{
|
||||
static const size_t socks_buffer_size = 8192;
|
||||
static const size_t max_socks_hostname_size = 255; // Limit for socks5 and bad idea to traverse
|
||||
|
||||
struct SOCKSDnsAddress {
|
||||
uint8_t size;
|
||||
char value[max_socks_hostname_size];
|
||||
void FromString (std::string str) {
|
||||
size = str.length();
|
||||
if (str.length() > max_socks_hostname_size) size = max_socks_hostname_size;
|
||||
memcpy(value,str.c_str(),size);
|
||||
}
|
||||
std::string ToString() { return std::string(value, size); }
|
||||
void push_back (char c) { value[size++] = c; }
|
||||
};
|
||||
|
||||
class SOCKSServer;
|
||||
class SOCKSHandler: public i2p::client::I2PServiceHandler, public std::enable_shared_from_this<SOCKSHandler> {
|
||||
private:
|
||||
enum state {
|
||||
GET_SOCKSV,
|
||||
GET_COMMAND,
|
||||
GET_PORT,
|
||||
GET_IPV4,
|
||||
GET4_IDENT,
|
||||
GET4A_HOST,
|
||||
GET5_AUTHNUM,
|
||||
GET5_AUTH,
|
||||
GET5_REQUESTV,
|
||||
GET5_GETRSV,
|
||||
GET5_GETADDRTYPE,
|
||||
GET5_IPV6,
|
||||
GET5_HOST_SIZE,
|
||||
GET5_HOST,
|
||||
DONE
|
||||
};
|
||||
enum authMethods {
|
||||
AUTH_NONE = 0, //No authentication, skip to next step
|
||||
AUTH_GSSAPI = 1, //GSSAPI authentication
|
||||
AUTH_USERPASSWD = 2, //Username and password
|
||||
AUTH_UNACCEPTABLE = 0xff //No acceptable method found
|
||||
};
|
||||
enum addrTypes {
|
||||
ADDR_IPV4 = 1, //IPv4 address (4 octets)
|
||||
ADDR_DNS = 3, // DNS name (up to 255 octets)
|
||||
ADDR_IPV6 = 4 //IPV6 address (16 octets)
|
||||
};
|
||||
enum errTypes {
|
||||
SOCKS5_OK = 0, // No error for SOCKS5
|
||||
SOCKS5_GEN_FAIL = 1, // General server failure
|
||||
SOCKS5_RULE_DENIED = 2, // Connection disallowed by ruleset
|
||||
SOCKS5_NET_UNREACH = 3, // Network unreachable
|
||||
SOCKS5_HOST_UNREACH = 4, // Host unreachable
|
||||
SOCKS5_CONN_REFUSED = 5, // Connection refused by the peer
|
||||
SOCKS5_TTL_EXPIRED = 6, // TTL Expired
|
||||
SOCKS5_CMD_UNSUP = 7, // Command unsuported
|
||||
SOCKS5_ADDR_UNSUP = 8, // Address type unsuported
|
||||
SOCKS4_OK = 90, // No error for SOCKS4
|
||||
SOCKS4_FAIL = 91, // Failed establishing connecting or not allowed
|
||||
SOCKS4_IDENTD_MISSING = 92, // Couldn't connect to the identd server
|
||||
SOCKS4_IDENTD_DIFFER = 93 // The ID reported by the application and by identd differ
|
||||
};
|
||||
enum cmdTypes {
|
||||
CMD_CONNECT = 1, // TCP Connect
|
||||
CMD_BIND = 2, // TCP Bind
|
||||
CMD_UDP = 3 // UDP associate
|
||||
};
|
||||
enum socksVersions {
|
||||
SOCKS4 = 4, // SOCKS4
|
||||
SOCKS5 = 5 // SOCKS5
|
||||
};
|
||||
union address {
|
||||
uint32_t ip;
|
||||
SOCKSDnsAddress dns;
|
||||
uint8_t ipv6[16];
|
||||
};
|
||||
|
||||
void EnterState(state nstate, uint8_t parseleft = 1);
|
||||
bool HandleData(uint8_t *sock_buff, std::size_t len);
|
||||
bool ValidateSOCKSRequest();
|
||||
void HandleSockRecv(const boost::system::error_code & ecode, std::size_t bytes_transfered);
|
||||
void Terminate();
|
||||
void AsyncSockRead();
|
||||
boost::asio::const_buffers_1 GenerateSOCKS5SelectAuth(authMethods method);
|
||||
boost::asio::const_buffers_1 GenerateSOCKS4Response(errTypes error, uint32_t ip, uint16_t port);
|
||||
boost::asio::const_buffers_1 GenerateSOCKS5Response(errTypes error, addrTypes type, const address &addr, uint16_t port);
|
||||
bool Socks5ChooseAuth();
|
||||
void SocksRequestFailed(errTypes error);
|
||||
void SocksRequestSuccess();
|
||||
void SentSocksFailed(const boost::system::error_code & ecode);
|
||||
void SentSocksDone(const boost::system::error_code & ecode);
|
||||
void SentSocksResponse(const boost::system::error_code & ecode);
|
||||
void HandleStreamRequestComplete (std::shared_ptr<i2p::stream::Stream> stream);
|
||||
|
||||
uint8_t m_sock_buff[socks_buffer_size];
|
||||
boost::asio::ip::tcp::socket * m_sock;
|
||||
std::shared_ptr<i2p::stream::Stream> m_stream;
|
||||
uint8_t *m_remaining_data; //Data left to be sent
|
||||
uint8_t m_response[7+max_socks_hostname_size];
|
||||
address m_address; //Address
|
||||
std::size_t m_remaining_data_len; //Size of the data left to be sent
|
||||
uint32_t m_4aip; //Used in 4a requests
|
||||
uint16_t m_port;
|
||||
uint8_t m_command;
|
||||
uint8_t m_parseleft; //Octets left to parse
|
||||
authMethods m_authchosen; //Authentication chosen
|
||||
addrTypes m_addrtype; //Address type chosen
|
||||
socksVersions m_socksv; //Socks version
|
||||
cmdTypes m_cmd; // Command requested
|
||||
state m_state;
|
||||
|
||||
public:
|
||||
SOCKSHandler(SOCKSServer * parent, boost::asio::ip::tcp::socket * sock) :
|
||||
I2PServiceHandler(parent), m_sock(sock), m_stream(nullptr),
|
||||
m_authchosen(AUTH_UNACCEPTABLE), m_addrtype(ADDR_IPV4)
|
||||
{ m_address.ip = 0; EnterState(GET_SOCKSV); AsyncSockRead(); }
|
||||
~SOCKSHandler() { Terminate(); }
|
||||
};
|
||||
|
||||
void SOCKSHandler::AsyncSockRead()
|
||||
{
|
||||
LogPrint(eLogDebug,"--- SOCKS async sock read");
|
||||
|
|
@ -22,12 +144,8 @@ namespace proxy
|
|||
}
|
||||
}
|
||||
|
||||
void SOCKSHandler::Done() {
|
||||
if (m_parent) m_parent->RemoveHandler (shared_from_this ());
|
||||
}
|
||||
|
||||
void SOCKSHandler::Terminate() {
|
||||
if (dead.exchange(true)) return;
|
||||
if (Kill()) return;
|
||||
if (m_sock) {
|
||||
LogPrint(eLogDebug,"--- SOCKS close sock");
|
||||
m_sock->close();
|
||||
|
|
@ -38,7 +156,7 @@ namespace proxy
|
|||
LogPrint(eLogDebug,"--- SOCKS close stream");
|
||||
m_stream.reset ();
|
||||
}
|
||||
Done();
|
||||
Done(shared_from_this());
|
||||
}
|
||||
|
||||
boost::asio::const_buffers_1 SOCKSHandler::GenerateSOCKS4Response(SOCKSHandler::errTypes error, uint32_t ip, uint16_t port)
|
||||
|
|
@ -125,7 +243,7 @@ namespace proxy
|
|||
break;
|
||||
case SOCKS5:
|
||||
LogPrint(eLogInfo,"--- SOCKS5 connection success");
|
||||
auto s = i2p::client::context.GetAddressBook().ToAddress(m_parent->GetLocalDestination()->GetIdentHash());
|
||||
auto s = i2p::client::context.GetAddressBook().ToAddress(GetOwner()->GetLocalDestination()->GetIdentHash());
|
||||
address ad; ad.dns.FromString(s);
|
||||
//HACK only 16 bits passed in port as SOCKS5 doesn't allow for more
|
||||
response = GenerateSOCKS5Response(SOCKS5_OK, ADDR_DNS, ad, m_stream->GetRecvStreamID());
|
||||
|
|
@ -336,7 +454,7 @@ namespace proxy
|
|||
if (HandleData(m_sock_buff, len)) {
|
||||
if (m_state == DONE) {
|
||||
LogPrint(eLogInfo,"--- SOCKS requested ", m_address.dns.ToString(), ":" , m_port);
|
||||
m_parent->GetLocalDestination ()->CreateStream (
|
||||
GetOwner()->GetLocalDestination ()->CreateStream (
|
||||
std::bind (&SOCKSHandler::HandleStreamRequestComplete,
|
||||
this, std::placeholders::_1), m_address.dns.ToString(), m_port);
|
||||
} else {
|
||||
|
|
@ -359,12 +477,12 @@ namespace proxy
|
|||
void SOCKSHandler::SentSocksDone(const boost::system::error_code & ecode)
|
||||
{
|
||||
if (!ecode) {
|
||||
if (dead.exchange(true)) return;
|
||||
if (Kill()) return;
|
||||
LogPrint (eLogInfo,"--- SOCKS New I2PTunnel connection");
|
||||
auto connection = std::make_shared<i2p::client::I2PTunnelConnection>((i2p::client::I2PTunnel *)m_parent, m_sock, m_stream);
|
||||
m_parent->AddConnection (connection);
|
||||
auto connection = std::make_shared<i2p::client::I2PTunnelConnection>(GetOwner(), m_sock, m_stream);
|
||||
GetOwner()->AddHandler (connection);
|
||||
connection->I2PConnect (m_remaining_data,m_remaining_data_len);
|
||||
Done();
|
||||
Done(shared_from_this());
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -402,7 +520,6 @@ namespace proxy
|
|||
{
|
||||
m_Acceptor.close();
|
||||
m_Timer.cancel ();
|
||||
ClearConnections ();
|
||||
ClearHandlers();
|
||||
}
|
||||
|
||||
|
|
@ -413,23 +530,6 @@ namespace proxy
|
|||
std::placeholders::_1, newSocket));
|
||||
}
|
||||
|
||||
void SOCKSServer::AddHandler (std::shared_ptr<SOCKSHandler> handler) {
|
||||
std::unique_lock<std::mutex> l(m_HandlersMutex);
|
||||
m_Handlers.insert (handler);
|
||||
}
|
||||
|
||||
void SOCKSServer::RemoveHandler (std::shared_ptr<SOCKSHandler> handler)
|
||||
{
|
||||
std::unique_lock<std::mutex> l(m_HandlersMutex);
|
||||
m_Handlers.erase (handler);
|
||||
}
|
||||
|
||||
void SOCKSServer::ClearHandlers ()
|
||||
{
|
||||
std::unique_lock<std::mutex> l(m_HandlersMutex);
|
||||
m_Handlers.clear ();
|
||||
}
|
||||
|
||||
void SOCKSServer::HandleAccept (const boost::system::error_code& ecode, boost::asio::ip::tcp::socket * socket)
|
||||
{
|
||||
if (!ecode)
|
||||
|
|
|
|||
136
SOCKS.h
136
SOCKS.h
|
|
@ -2,142 +2,17 @@
|
|||
#define SOCKS_H__
|
||||
|
||||
#include <memory>
|
||||
#include <string>
|
||||
#include <set>
|
||||
#include <boost/asio.hpp>
|
||||
#include <mutex>
|
||||
#include <atomic>
|
||||
#include "Identity.h"
|
||||
#include "Streaming.h"
|
||||
#include "I2PTunnel.h"
|
||||
#include "I2PService.h"
|
||||
|
||||
namespace i2p
|
||||
{
|
||||
namespace proxy
|
||||
{
|
||||
|
||||
const size_t socks_buffer_size = 8192;
|
||||
const size_t max_socks_hostname_size = 255; // Limit for socks5 and bad idea to traverse
|
||||
|
||||
struct SOCKSDnsAddress {
|
||||
uint8_t size;
|
||||
char value[max_socks_hostname_size];
|
||||
void FromString (std::string str) {
|
||||
size = str.length();
|
||||
if (str.length() > max_socks_hostname_size) size = max_socks_hostname_size;
|
||||
memcpy(value,str.c_str(),size);
|
||||
}
|
||||
std::string ToString() { return std::string(value, size); }
|
||||
void push_back (char c) { value[size++] = c; }
|
||||
};
|
||||
|
||||
class SOCKSServer;
|
||||
class SOCKSHandler: public std::enable_shared_from_this<SOCKSHandler> {
|
||||
private:
|
||||
enum state {
|
||||
GET_SOCKSV,
|
||||
GET_COMMAND,
|
||||
GET_PORT,
|
||||
GET_IPV4,
|
||||
GET4_IDENT,
|
||||
GET4A_HOST,
|
||||
GET5_AUTHNUM,
|
||||
GET5_AUTH,
|
||||
GET5_REQUESTV,
|
||||
GET5_GETRSV,
|
||||
GET5_GETADDRTYPE,
|
||||
GET5_IPV6,
|
||||
GET5_HOST_SIZE,
|
||||
GET5_HOST,
|
||||
DONE
|
||||
};
|
||||
enum authMethods {
|
||||
AUTH_NONE = 0, //No authentication, skip to next step
|
||||
AUTH_GSSAPI = 1, //GSSAPI authentication
|
||||
AUTH_USERPASSWD = 2, //Username and password
|
||||
AUTH_UNACCEPTABLE = 0xff //No acceptable method found
|
||||
};
|
||||
enum addrTypes {
|
||||
ADDR_IPV4 = 1, //IPv4 address (4 octets)
|
||||
ADDR_DNS = 3, // DNS name (up to 255 octets)
|
||||
ADDR_IPV6 = 4 //IPV6 address (16 octets)
|
||||
};
|
||||
enum errTypes {
|
||||
SOCKS5_OK = 0, // No error for SOCKS5
|
||||
SOCKS5_GEN_FAIL = 1, // General server failure
|
||||
SOCKS5_RULE_DENIED = 2, // Connection disallowed by ruleset
|
||||
SOCKS5_NET_UNREACH = 3, // Network unreachable
|
||||
SOCKS5_HOST_UNREACH = 4, // Host unreachable
|
||||
SOCKS5_CONN_REFUSED = 5, // Connection refused by the peer
|
||||
SOCKS5_TTL_EXPIRED = 6, // TTL Expired
|
||||
SOCKS5_CMD_UNSUP = 7, // Command unsuported
|
||||
SOCKS5_ADDR_UNSUP = 8, // Address type unsuported
|
||||
SOCKS4_OK = 90, // No error for SOCKS4
|
||||
SOCKS4_FAIL = 91, // Failed establishing connecting or not allowed
|
||||
SOCKS4_IDENTD_MISSING = 92, // Couldn't connect to the identd server
|
||||
SOCKS4_IDENTD_DIFFER = 93 // The ID reported by the application and by identd differ
|
||||
};
|
||||
enum cmdTypes {
|
||||
CMD_CONNECT = 1, // TCP Connect
|
||||
CMD_BIND = 2, // TCP Bind
|
||||
CMD_UDP = 3 // UDP associate
|
||||
};
|
||||
enum socksVersions {
|
||||
SOCKS4 = 4, // SOCKS4
|
||||
SOCKS5 = 5 // SOCKS5
|
||||
};
|
||||
union address {
|
||||
uint32_t ip;
|
||||
SOCKSDnsAddress dns;
|
||||
uint8_t ipv6[16];
|
||||
};
|
||||
|
||||
void EnterState(state nstate, uint8_t parseleft = 1);
|
||||
bool HandleData(uint8_t *sock_buff, std::size_t len);
|
||||
bool ValidateSOCKSRequest();
|
||||
void HandleSockRecv(const boost::system::error_code & ecode, std::size_t bytes_transfered);
|
||||
void Done();
|
||||
void Terminate();
|
||||
void AsyncSockRead();
|
||||
boost::asio::const_buffers_1 GenerateSOCKS5SelectAuth(authMethods method);
|
||||
boost::asio::const_buffers_1 GenerateSOCKS4Response(errTypes error, uint32_t ip, uint16_t port);
|
||||
boost::asio::const_buffers_1 GenerateSOCKS5Response(errTypes error, addrTypes type, const address &addr, uint16_t port);
|
||||
bool Socks5ChooseAuth();
|
||||
void SocksRequestFailed(errTypes error);
|
||||
void SocksRequestSuccess();
|
||||
void SentSocksFailed(const boost::system::error_code & ecode);
|
||||
void SentSocksDone(const boost::system::error_code & ecode);
|
||||
void SentSocksResponse(const boost::system::error_code & ecode);
|
||||
void HandleStreamRequestComplete (std::shared_ptr<i2p::stream::Stream> stream);
|
||||
|
||||
uint8_t m_sock_buff[socks_buffer_size];
|
||||
SOCKSServer * m_parent;
|
||||
boost::asio::ip::tcp::socket * m_sock;
|
||||
std::shared_ptr<i2p::stream::Stream> m_stream;
|
||||
uint8_t *m_remaining_data; //Data left to be sent
|
||||
uint8_t m_response[7+max_socks_hostname_size];
|
||||
address m_address; //Address
|
||||
std::size_t m_remaining_data_len; //Size of the data left to be sent
|
||||
uint32_t m_4aip; //Used in 4a requests
|
||||
uint16_t m_port;
|
||||
uint8_t m_command;
|
||||
uint8_t m_parseleft; //Octets left to parse
|
||||
authMethods m_authchosen; //Authentication chosen
|
||||
addrTypes m_addrtype; //Address type chosen
|
||||
socksVersions m_socksv; //Socks version
|
||||
cmdTypes m_cmd; // Command requested
|
||||
state m_state;
|
||||
std::atomic<bool> dead; //To avoid cleaning up multiple times
|
||||
|
||||
public:
|
||||
SOCKSHandler(SOCKSServer * parent, boost::asio::ip::tcp::socket * sock) :
|
||||
m_parent(parent), m_sock(sock), m_stream(nullptr),
|
||||
m_authchosen(AUTH_UNACCEPTABLE), m_addrtype(ADDR_IPV4), dead(false)
|
||||
{ m_address.ip = 0; EnterState(GET_SOCKSV); AsyncSockRead(); }
|
||||
~SOCKSHandler() { Terminate(); }
|
||||
};
|
||||
|
||||
class SOCKSServer: public i2p::client::I2PTunnel
|
||||
class SOCKSHandler;
|
||||
class SOCKSServer: public i2p::client::I2PService
|
||||
{
|
||||
private:
|
||||
std::set<std::shared_ptr<SOCKSHandler> > m_Handlers;
|
||||
|
|
@ -151,16 +26,13 @@ namespace proxy
|
|||
void HandleAccept(const boost::system::error_code& ecode, boost::asio::ip::tcp::socket * socket);
|
||||
|
||||
public:
|
||||
SOCKSServer(int port) : I2PTunnel(nullptr),
|
||||
SOCKSServer(int port) : I2PService(nullptr),
|
||||
m_Acceptor (GetService (), boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port)),
|
||||
m_Timer (GetService ()) {};
|
||||
~SOCKSServer() { Stop(); }
|
||||
|
||||
void Start ();
|
||||
void Stop ();
|
||||
void AddHandler (std::shared_ptr<SOCKSHandler> handler);
|
||||
void RemoveHandler (std::shared_ptr<SOCKSHandler> handler);
|
||||
void ClearHandlers ();
|
||||
};
|
||||
|
||||
typedef SOCKSServer SOCKSProxy;
|
||||
|
|
|
|||
|
|
@ -48,6 +48,7 @@ set (DAEMON_SRC
|
|||
"${CMAKE_SOURCE_DIR}/Daemon.cpp"
|
||||
"${CMAKE_SOURCE_DIR}/HTTPProxy.cpp"
|
||||
"${CMAKE_SOURCE_DIR}/HTTPServer.cpp"
|
||||
"${CMAKE_SOURCE_DIR}/I2PService.cpp"
|
||||
"${CMAKE_SOURCE_DIR}/I2PTunnel.cpp"
|
||||
"${CMAKE_SOURCE_DIR}/SAM.cpp"
|
||||
"${CMAKE_SOURCE_DIR}/SOCKS.cpp"
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@ i2p_SOURCES = AddressBook.cpp CryptoConst.cpp Daemon.cpp \
|
|||
SSUData.cpp Streaming.cpp TransitTunnel.cpp \
|
||||
Transports.cpp Tunnel.cpp TunnelEndpoint.cpp \
|
||||
TunnelGateway.cpp TunnelPool.cpp UPnP.cpp aes.cpp \
|
||||
base64.cpp i2p.cpp util.cpp \
|
||||
base64.cpp i2p.cpp util.cpp I2PService.cpp \
|
||||
\
|
||||
AddressBook.h CryptoConst.h Daemon.h ElGamal.h \
|
||||
Garlic.h HTTPProxy.h HTTPServer.h I2NPProtocol.h \
|
||||
|
|
@ -19,7 +19,7 @@ i2p_SOURCES = AddressBook.cpp CryptoConst.cpp Daemon.cpp \
|
|||
TransitTunnel.h Transports.h Tunnel.h TunnelBase.h \
|
||||
TunnelConfig.h TunnelEndpoint.h TunnelGateway.h \
|
||||
TunnelPool.h UPnP.h aes.h base64.h config.h hmac.h \
|
||||
util.h version.h
|
||||
util.h version.h I2PService.h
|
||||
|
||||
AM_LDFLAGS = @BOOST_DATE_TIME_LIB@ @BOOST_FILESYSTEM_LIB@ \
|
||||
@BOOST_PROGRAM_OPTIONS_LIB@ @BOOST_REGEX_LIB@ \
|
||||
|
|
|
|||
|
|
@ -10,14 +10,14 @@ ifeq ($(UNAME),Darwin)
|
|||
# This is needed on OS X for some reason I don't understand (yet).
|
||||
# Else will get linker error about unknown symbols. - torkel
|
||||
COMMON_SRC += \
|
||||
BOB.cpp ClientContext.cpp Daemon.cpp I2PTunnel.cpp SAM.cpp SOCKS.cpp \
|
||||
BOB.cpp ClientContext.cpp Daemon.cpp I2PTunnel.cpp I2PService.cpp SAM.cpp SOCKS.cpp \
|
||||
UPnP.cpp HTTPServer.cpp HTTPProxy.cpp i2p.cpp DaemonLinux.cpp
|
||||
endif
|
||||
|
||||
|
||||
# also: Daemon{Linux,Win32}.cpp will be added later
|
||||
DAEMON_SRC = $(COMMON_SRC) \
|
||||
BOB.cpp ClientContext.cpp Daemon.cpp I2PTunnel.cpp SAM.cpp SOCKS.cpp UPnP.cpp \
|
||||
BOB.cpp ClientContext.cpp Daemon.cpp I2PTunnel.cpp I2PService.cpp SAM.cpp SOCKS.cpp UPnP.cpp \
|
||||
HTTPServer.cpp HTTPProxy.cpp i2p.cpp
|
||||
|
||||
LIB_SRC := $(COMMON_SRC) \
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue