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fixed #1388 : took code from 736c95a870 and fixed it as https://github.com/PurpleI2P/i2pd/issues/1388#issuecomment-528495918 tells

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pull/1421/head
kote 5 years ago
parent 2334c56a96
commit 2900bc26a5
2 changed files with 123 additions and 67 deletions
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132
daemon/UPnP.cpp
Unescape Escape View File

@ -79,43 +79,58 @@ namespace transport
void UPnP::Discover ()
{
#if MINIUPNPC_API_VERSION >= 14
int nerror = 0;
m_Devlist = upnpDiscover (2000, m_MulticastIf, m_Minissdpdpath, 0, 0, 2, &nerror);
#elif ( MINIUPNPC_API_VERSION >= 8 || defined(UPNPDISCOVER_SUCCESS) )
int nerror = 0;
m_Devlist = upnpDiscover (2000, m_MulticastIf, m_Minissdpdpath, 0, 0, &nerror);
bool isError;
int err;
#if ((MINIUPNPC_API_VERSION >= 8) || defined (UPNPDISCOVER_SUCCESS))
err = UPNPDISCOVER_SUCCESS;
#if (MINIUPNPC_API_VERSION >= 14)
m_Devlist = upnpDiscover (UPNP_RESPONSE_TIMEOUT, NULL, NULL, 0, 0, 2, &err);
#else
m_Devlist = upnpDiscover (2000, m_MulticastIf, m_Minissdpdpath, 0);
m_Devlist = upnpDiscover (UPNP_RESPONSE_TIMEOUT, NULL, NULL, 0, 0, &err);
#endif
isError = err != UPNPDISCOVER_SUCCESS;
#else // MINIUPNPC_API_VERSION >= 8
err = 0;
m_Devlist = upnpDiscover (UPNP_RESPONSE_TIMEOUT, NULL, NULL, 0);
isError = m_Devlist == NULL;
#endif // MINIUPNPC_API_VERSION >= 8
{
// notify satrting thread
// notify starting thread
std::unique_lock<std::mutex> l(m_StartedMutex);
m_Started.notify_all ();
}
int r;
r = UPNP_GetValidIGD (m_Devlist, &m_upnpUrls, &m_upnpData, m_NetworkAddr, sizeof (m_NetworkAddr));
if (r == 1)
if (isError)
{
LogPrint (eLogError, "UPnP: unable to discover Internet Gateway Devices: error ", err);
return;
}
err = UPNP_GetValidIGD (m_Devlist, &m_upnpUrls, &m_upnpData, m_NetworkAddr, sizeof (m_NetworkAddr));
if (err == UPNP_IGD_VALID_CONNECTED)
{
r = UPNP_GetExternalIPAddress (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_externalIPAddress);
if(r != UPNPCOMMAND_SUCCESS)
err = UPNP_GetExternalIPAddress (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_externalIPAddress);
if(err != UPNPCOMMAND_SUCCESS)
{
LogPrint (eLogError, "UPnP: UPNP_GetExternalIPAddress() returned ", r);
LogPrint (eLogError, "UPnP: unable to get external address: error ", err);
return;
}
else
{
LogPrint (eLogError, "UPnP: found Internet Gateway Device ", m_upnpUrls.controlURL);
if (!m_externalIPAddress[0])
{
LogPrint (eLogError, "UPnP: GetExternalIPAddress() failed.");
LogPrint (eLogError, "UPnP: found Internet Gateway Device doesn't know our external address");
return;
}
}
}
else
{
LogPrint (eLogError, "UPnP: GetValidIGD() failed.");
LogPrint (eLogError, "UPnP: unable to find valid Internet Gateway Device: error ", err);
return;
}
@ -126,6 +141,20 @@ namespace transport
PortMapping ();
}
int UPnP::CheckMapping (const char* port, const char* type)
{
int err = UPNPCOMMAND_SUCCESS;
#if (MINIUPNPC_API_VERSION >= 10)
err = UPNP_GetSpecificPortMappingEntry(m_upnpUrls.controlURL, m_upnpData.first.servicetype, port, type, NULL, NULL, NULL, NULL, NULL, NULL);
#elif ((MINIUPNPC_API_VERSION >= 8) || defined (UPNPDISCOVER_SUCCESS))
err = UPNP_GetSpecificPortMappingEntry(m_upnpUrls.controlURL, m_upnpData.first.servicetype, port, type, NULL, NULL, NULL, NULL, NULL);
#else
err = UPNP_GetSpecificPortMappingEntry(m_upnpUrls.controlURL, m_upnpData.first.servicetype, port, type, NULL, NULL);
#endif
return err;
}
void UPnP::PortMapping ()
{
const auto& a = context.GetRouterInfo().GetAddresses();
@ -134,53 +163,70 @@ namespace transport
if (!address->host.is_v6 () && address->port)
TryPortMapping (address);
}
m_Timer.expires_from_now (boost::posix_time::minutes(20)); // every 20 minutes
m_Timer.expires_from_now (boost::posix_time::minutes(20)); // every 20 minutes
m_Timer.async_wait ([this](const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
PortMapping ();
});
}
void UPnP::CloseMapping ()
{
const auto& a = context.GetRouterInfo().GetAddresses();
for (const auto& address : a)
{
if (!address->host.is_v6 () && address->port)
CloseMapping (address);
}
}
void UPnP::TryPortMapping (std::shared_ptr<i2p::data::RouterInfo::Address> address)
{
std::string strType (GetProto (address)), strPort (std::to_string (address->port));
int r;
std::string strDesc; i2p::config::GetOption("upnp.name", strDesc);
#ifdef UPNPDISCOVER_SUCCESS
r = UPNP_AddPortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strPort.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), 0, "0");
int err = UPNPCOMMAND_SUCCESS;
// check for existing mapping
err = CheckMapping (strPort.c_str (), strType.c_str ());
if (err != UPNPCOMMAND_SUCCESS) // if mapping not found
{
LogPrint (eLogDebug, "UPnP: possibly port ", strPort, " is not forwarded: return code ", err);
#if ((MINIUPNPC_API_VERSION >= 8) || defined (UPNPDISCOVER_SUCCESS))
err = UPNP_AddPortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strPort.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), NULL, NULL);
#else
r = UPNP_AddPortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strPort.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), 0);
err = UPNP_AddPortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strPort.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), NULL);
#endif
if (r!=UPNPCOMMAND_SUCCESS)
{
LogPrint (eLogError, "UPnP: AddPortMapping (", m_NetworkAddr, ":", strPort, ") failed with code ", r);
return;
if (err != UPNPCOMMAND_SUCCESS)
{
LogPrint (eLogError, "UPnP: port forwarding to ", m_NetworkAddr, ":", strPort, " failed: return code ", err);
return;
}
else
{
LogPrint (eLogInfo, "UPnP: port successfully forwarded (", m_externalIPAddress ,":", strPort, " type ", strType, " -> ", m_NetworkAddr ,":", strPort ,")");
return;
}
}
else
{
LogPrint (eLogDebug, "UPnP: Port Mapping successful. (", m_NetworkAddr ,":", strPort, " type ", strType, " -> ", m_externalIPAddress ,":", strPort ,")");
LogPrint (eLogDebug, "UPnP: external forward from ", m_NetworkAddr, ":", strPort, " exists on current Internet Gateway Device");
return;
}
}
void UPnP::CloseMapping ()
{
const auto& a = context.GetRouterInfo().GetAddresses();
for (const auto& address : a)
{
if (!address->host.is_v6 () && address->port)
CloseMapping (address);
}
}
void UPnP::CloseMapping (std::shared_ptr<i2p::data::RouterInfo::Address> address)
{
std::string strType (GetProto (address)), strPort (std::to_string (address->port));
int r = 0;
r = UPNP_DeletePortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strType.c_str (), 0);
LogPrint (eLogError, "UPnP: DeletePortMapping() returned : ", r);
int err = UPNPCOMMAND_SUCCESS;
err = CheckMapping (strPort.c_str (), strType.c_str ());
if (err == UPNPCOMMAND_SUCCESS)
{
err = UPNP_DeletePortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strType.c_str (), NULL);
LogPrint (eLogError, "UPnP: DeletePortMapping() returned : ", err);
}
}
void UPnP::Close ()
@ -195,11 +241,11 @@ namespace transport
switch (address->transportStyle)
{
case i2p::data::RouterInfo::eTransportNTCP:
return "TCP";
break;
return "TCP";
break;
case i2p::data::RouterInfo::eTransportSSU:
default:
return "UDP";
return "UDP";
}
}
}

58
daemon/UPnP.h
Unescape Escape View File

@ -19,20 +19,31 @@ namespace i2p
{
namespace transport
{
const int UPNP_RESPONSE_TIMEOUT = 2000; // in milliseconds
enum
{
UPNP_IGD_NONE = 0,
UPNP_IGD_VALID_CONNECTED = 1,
UPNP_IGD_VALID_NOT_CONNECTED = 2,
UPNP_IGD_INVALID = 3
};
class UPnP
{
public:
public:
UPnP ();
~UPnP ();
void Close ();
void Close ();
void Start ();
void Stop ();
void Start ();
void Stop ();
private:
private:
void Discover ();
int CheckMapping (const char* port, const char* type);
void PortMapping ();
void TryPortMapping (std::shared_ptr<i2p::data::RouterInfo::Address> address);
void CloseMapping ();
@ -41,23 +52,21 @@ namespace transport
void Run ();
std::string GetProto (std::shared_ptr<i2p::data::RouterInfo::Address> address);
private:
private:
bool m_IsRunning;
std::unique_ptr<std::thread> m_Thread;
std::unique_ptr<std::thread> m_Thread;
std::condition_variable m_Started;
std::mutex m_StartedMutex;
boost::asio::io_service m_Service;
boost::asio::deadline_timer m_Timer;
struct UPNPUrls m_upnpUrls;
struct IGDdatas m_upnpData;
// For miniupnpc
char * m_MulticastIf = 0;
char * m_Minissdpdpath = 0;
struct UPNPDev * m_Devlist = 0;
char m_NetworkAddr[64];
char m_externalIPAddress[40];
struct UPNPUrls m_upnpUrls;
struct IGDdatas m_upnpData;
// For miniupnpc
struct UPNPDev * m_Devlist = 0;
char m_NetworkAddr[64];
char m_externalIPAddress[40];
};
}
}
@ -65,14 +74,15 @@ namespace transport
#else // USE_UPNP
namespace i2p {
namespace transport {
/* class stub */
class UPnP {
public:
UPnP () {};
~UPnP () {};
void Start () { LogPrint(eLogWarning, "UPnP: this module was disabled at compile-time"); }
void Stop () {};
};
/* class stub */
class UPnP {
public:
UPnP () {};
~UPnP () {};
void Start () { LogPrint(eLogWarning, "UPnP: this module was disabled at compile-time"); }
void Stop () {};
};
}
}
#endif // USE_UPNP

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