mirror of https://github.com/PurpleI2P/i2pd
Merge branch 'master' of https://github.com/PrivacySolutions/i2pd
orignal
10 years ago
commit
02851d7587
@ -1,68 +1,226 @@
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#ifdef USE_UPNP
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#include <string>
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#include <boost/lexical_cast.hpp>
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#include <thread>
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#include <boost/thread/thread.hpp>
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#include <boost/asio.hpp>
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#include <boost/bind.hpp>
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#include "Log.h"
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#include "RouterContext.h"
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#include "UPnP.h"
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#include "NetDb.h"
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#include "util.h"
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#include <miniupnpc/miniupnpc.h>
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#include <miniupnpc/upnpcommands.h>
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#include <dlfcn.h>
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#ifndef UPNPDISCOVER_SUCCESS
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/* miniupnpc 1.5 */
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typedef UPNPDev* (*upnp_upnpDiscoverFunc) (int, const char *, const char *, int);
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typedef int (*upnp_UPNP_AddPortMappingFunc) (const char *, const char *, const char *, const char *,
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const char *, const char *, const char *, const char *);
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#else
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/* miniupnpc 1.6 */
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typedef UPNPDev* (*upnp_upnpDiscoverFunc) (int, const char *, const char *, int, int, int *);
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typedef int (*upnp_UPNP_AddPortMappingFunc) (const char *, const char *, const char *, const char *,
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const char *, const char *, const char *, const char *, const char *);
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#endif
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typedef int (*upnp_UPNP_GetValidIGDFunc) (struct UPNPDev *, struct UPNPUrls *, struct IGDdatas *, char *, int);
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typedef int (*upnp_UPNP_GetExternalIPAddressFunc) (const char *, const char *, char *);
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typedef int (*upnp_UPNP_DeletePortMappingFunc) (const char *, const char *, const char *, const char *, const char *);
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typedef void (*upnp_freeUPNPDevlistFunc) (struct UPNPDev *);
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typedef void (*upnp_FreeUPNPUrlsFunc) (struct UPNPUrls *);
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namespace i2p
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{
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UPnP::UPnP (): m_Timer (m_Service),
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m_Endpoint (boost::asio::ip::udp::v4 (), UPNP_REPLY_PORT),
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m_MulticastEndpoint (boost::asio::ip::address::from_string (UPNP_GROUP), UPNP_PORT),
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m_Socket (m_Service, m_Endpoint.protocol ())
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{
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m_Socket.set_option (boost::asio::socket_base::receive_buffer_size (65535));
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m_Socket.set_option (boost::asio::socket_base::send_buffer_size (65535));
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m_Socket.set_option(boost::asio::ip::udp::socket::reuse_address(true));
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}
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UPnP::~UPnP ()
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{
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}
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void UPnP::Run ()
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{
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DiscoverRouter ();
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m_Service.run ();
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}
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void UPnP::DiscoverRouter ()
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{
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m_Timer.expires_from_now (boost::posix_time::seconds(5)); // 5 seconds
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m_Timer.async_wait (boost::bind (&UPnP::HandleTimer, this, boost::asio::placeholders::error));
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std::string address = UPNP_GROUP;
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address += ":" + boost::lexical_cast<std::string>(UPNP_PORT);
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std::string request = "M-SEARCH * HTTP/1.1\r\n"
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"HOST: " + address + "\r\n"
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"ST:" + UPNP_ROUTER + "\r\n"
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"MAN:\"ssdp:discover\"\r\n"
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"MX:3\r\n"
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"\r\n\r\n";
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m_Socket.send_to (boost::asio::buffer (request.c_str (), request.length ()), m_MulticastEndpoint);
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Receive ();
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}
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void UPnP::Receive ()
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{
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m_Socket.async_receive_from (boost::asio::buffer (m_ReceiveBuffer, UPNP_MAX_PACKET_LEN), m_SenderEndpoint,
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boost::bind (&UPnP::HandleReceivedFrom, this, boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
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}
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void UPnP::HandleReceivedFrom (const boost::system::error_code& ecode, size_t bytes_transferred)
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{
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LogPrint ("UPnP: ", bytes_transferred, " received from ", m_SenderEndpoint.address ());
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std::string str (m_ReceiveBuffer, bytes_transferred);
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LogPrint (str);
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m_Timer.cancel ();
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}
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void UPnP::HandleTimer (const boost::system::error_code& ecode)
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{
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if (ecode != boost::asio::error::operation_aborted)
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{
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LogPrint ("UPnP: timeout expired");
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m_Service.stop ();
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}
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}
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namespace UPnP
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{
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UPnP upnpc;
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UPnP::UPnP () : m_Thread (nullptr) , m_IsModuleLoaded (false)
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{
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}
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void UPnP::Stop ()
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{
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if (m_Thread)
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{
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m_Thread->join ();
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delete m_Thread;
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m_Thread = nullptr;
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}
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}
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void UPnP::Start()
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{
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m_Thread = new std::thread (std::bind (&UPnP::Run, this));
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}
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UPnP::~UPnP ()
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{
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}
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void UPnP::Run ()
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{
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#ifdef MAC_OSX
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m_Module = dlopen ("libminiupnpc.dylib", RTLD_LAZY);
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#elif WIN32
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m_Module = dlopen ("libminiupnpc.dll", RTLD_LAZY);
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#else
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m_Module = dlopen ("libminiupnpc.so", RTLD_LAZY);
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#endif
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if (!m_Module)
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{
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LogPrint ("no UPnP module available (", dlerror (), ")");
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return;
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}
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else
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{
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m_IsModuleLoaded = true;
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}
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for (auto& address : context.GetRouterInfo ().GetAddresses ())
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{
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if (!address.host.is_v6 ())
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{
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m_Port = std::to_string (util::config::GetArg ("-port", address.port));
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Discover ();
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if (address.transportStyle == data::RouterInfo::eTransportSSU )
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{
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TryPortMapping (I2P_UPNP_UDP);
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}
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else if (address.transportStyle == data::RouterInfo::eTransportNTCP )
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{
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TryPortMapping (I2P_UPNP_TCP);
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}
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}
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}
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}
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void UPnP::Discover ()
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{
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const char *error;
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upnp_upnpDiscoverFunc upnpDiscoverFunc = (upnp_upnpDiscoverFunc) dlsym (m_Module, "upnpDiscover");
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// reinterpret_cast<upnp_upnpDiscoverFunc> (dlsym(...));
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if ( (error = dlerror ()))
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{
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LogPrint ("Error loading UPNP library. This often happens if there is version mismatch!");
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return;
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}
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#ifndef UPNPDISCOVER_SUCCESS
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/* miniupnpc 1.5 */
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m_Devlist = upnpDiscoverFunc (2000, m_MulticastIf, m_Minissdpdpath, 0);
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#else
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/* miniupnpc 1.6 */
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int nerror = 0;
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m_Devlist = upnpDiscoverFunc (2000, m_MulticastIf, m_Minissdpdpath, 0, 0, &nerror);
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#endif
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int r;
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upnp_UPNP_GetValidIGDFunc UPNP_GetValidIGDFunc = (upnp_UPNP_GetValidIGDFunc) dlsym (m_Module, "UPNP_GetValidIGD");
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r = (*UPNP_GetValidIGDFunc) (m_Devlist, &m_upnpUrls, &m_upnpData, m_NetworkAddr, sizeof (m_NetworkAddr));
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if (r == 1)
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{
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upnp_UPNP_GetExternalIPAddressFunc UPNP_GetExternalIPAddressFunc = (upnp_UPNP_GetExternalIPAddressFunc) dlsym (m_Module, "UPNP_GetExternalIPAddress");
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r = UPNP_GetExternalIPAddressFunc (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_externalIPAddress);
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if(r != UPNPCOMMAND_SUCCESS)
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{
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LogPrint ("UPnP: UPNP_GetExternalIPAddress () returned ", r);
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return;
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}
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else
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{
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if (m_externalIPAddress[0])
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{
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LogPrint ("UPnP: ExternalIPAddress = ", m_externalIPAddress);
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i2p::context.UpdateAddress (boost::asio::ip::address::from_string (m_externalIPAddress));
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return;
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}
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else
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{
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LogPrint ("UPnP: GetExternalIPAddress failed.");
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return;
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}
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}
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}
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}
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void UPnP::TryPortMapping (int type)
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{
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std::string strType;
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switch (type)
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{
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case I2P_UPNP_TCP:
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strType = "TCP";
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break;
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case I2P_UPNP_UDP:
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default:
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strType = "UDP";
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}
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int r;
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std::string strDesc = "I2Pd";
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try {
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for (;;) {
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upnp_UPNP_AddPortMappingFunc UPNP_AddPortMappingFunc = (upnp_UPNP_AddPortMappingFunc) dlsym(m_Module, "UPNP_AddPortMapping");
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#ifndef UPNPDISCOVER_SUCCESS
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/* miniupnpc 1.5 */
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r = UPNP_AddPortMappingFunc (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_Port.c_str (), m_Port.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), 0);
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#else
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/* miniupnpc 1.6 */
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r = UPNP_AddPortMappingFunc (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_Port.c_str (), m_Port.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), 0, "0");
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#endif
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if (r!=UPNPCOMMAND_SUCCESS)
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{
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LogPrint ("AddPortMapping (", m_Port.c_str () ,", ", m_Port.c_str () ,", ", m_NetworkAddr, ") failed with code ", r);
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return;
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}
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else
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{
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LogPrint ("UPnP Port Mapping successful. (", m_NetworkAddr ,":", m_Port.c_str(), " type ", strType.c_str () ," -> ", m_externalIPAddress ,":", m_Port.c_str() ,")");
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return;
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}
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sleep(20*60);
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}
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}
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catch (boost::thread_interrupted)
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{
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CloseMapping(type);
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Close();
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throw;
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}
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}
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void UPnP::CloseMapping (int type)
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{
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std::string strType;
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switch (type)
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{
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case I2P_UPNP_TCP:
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strType = "TCP";
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break;
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case I2P_UPNP_UDP:
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default:
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strType = "UDP";
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}
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int r = 0;
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upnp_UPNP_DeletePortMappingFunc UPNP_DeletePortMappingFunc = (upnp_UPNP_DeletePortMappingFunc) dlsym (m_Module, "UPNP_DeletePortMapping");
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r = UPNP_DeletePortMappingFunc (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_Port.c_str (), strType.c_str (), 0);
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LogPrint ("UPNP_DeletePortMapping() returned : ", r, "\n");
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}
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void UPnP::Close ()
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{
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upnp_freeUPNPDevlistFunc freeUPNPDevlistFunc = (upnp_freeUPNPDevlistFunc) dlsym (m_Module, "freeUPNPDevlist");
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freeUPNPDevlistFunc (m_Devlist);
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m_Devlist = 0;
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upnp_FreeUPNPUrlsFunc FreeUPNPUrlsFunc = (upnp_FreeUPNPUrlsFunc) dlsym (m_Module, "FreeUPNPUrlsFunc");
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FreeUPNPUrlsFunc (&m_upnpUrls);
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dlclose (m_Module);
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}
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}
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}
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#endif
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@ -1,41 +1,61 @@
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#ifndef UPNP_H__
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#define UPNP_H__
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#ifndef __UPNP_H__
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#define __UPNP_H__
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#ifdef USE_UPNP
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#include <string>
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#include <thread>
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#include <miniupnpc/miniwget.h>
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#include <miniupnpc/miniupnpc.h>
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#include <miniupnpc/upnpcommands.h>
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#include <miniupnpc/upnperrors.h>
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#include <boost/asio.hpp>
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#include "util.h"
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#define I2P_UPNP_TCP 1
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#define I2P_UPNP_UDP 2
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namespace i2p
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{
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const int UPNP_MAX_PACKET_LEN = 1500;
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const char UPNP_GROUP[] = "239.255.255.250";
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const int UPNP_PORT = 1900;
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const int UPNP_REPLY_PORT = 1901;
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const char UPNP_ROUTER[] = "urn:schemas-upnp-org:device:InternetGatewayDevice:1";
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namespace UPnP
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{
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class UPnP
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{
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public:
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UPnP ();
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~UPnP ();
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void Run ();
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private:
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void DiscoverRouter ();
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void Receive ();
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void HandleReceivedFrom (const boost::system::error_code& ecode, size_t bytes_transferred);
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void HandleTimer (const boost::system::error_code& ecode);
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private:
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boost::asio::io_service m_Service;
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boost::asio::deadline_timer m_Timer;
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boost::asio::ip::udp::endpoint m_Endpoint, m_MulticastEndpoint, m_SenderEndpoint;
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boost::asio::ip::udp::socket m_Socket;
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char m_ReceiveBuffer[UPNP_MAX_PACKET_LEN];
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};
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public:
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UPnP ();
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~UPnP ();
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void Close ();
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void Start ();
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void Stop ();
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void Discover ();
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void TryPortMapping (int type);
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void CloseMapping (int type);
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private:
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void Run ();
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std::thread * m_Thread;
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struct UPNPUrls m_upnpUrls;
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struct IGDdatas m_upnpData;
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// For miniupnpc
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char * m_MulticastIf = 0;
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char * m_Minissdpdpath = 0;
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struct UPNPDev * m_Devlist = 0;
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char m_NetworkAddr[64];
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char m_externalIPAddress[40];
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bool m_IsModuleLoaded;
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std::string m_Port = std::to_string (util::config::GetArg ("-port", 17070));
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void *m_Module;
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};
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extern UPnP upnpc;
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}
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}
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#endif
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#endif
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