From e970deb92b59ccb3ac04d9237ecdd3c0b4cf61ed Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Thu, 28 Apr 2022 11:43:33 -0400
Subject: [PATCH] check presense of introducers in SSU2 address

---
 libi2pd/RouterInfo.h   |  4 ++--
 libi2pd/SSU2.cpp       | 16 ++++++----------
 libi2pd/Transports.cpp |  2 +-
 3 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/libi2pd/RouterInfo.h b/libi2pd/RouterInfo.h
index ef009265..e838f993 100644
--- a/libi2pd/RouterInfo.h
+++ b/libi2pd/RouterInfo.h
@@ -137,7 +137,7 @@ namespace data
 
 				bool operator==(const Address& other) const
 				{
-					return transportStyle == other.transportStyle && IsNTCP2 () == other.IsNTCP2 () &&
+					return transportStyle == other.transportStyle &&
 						host == other.host && port == other.port;
 				}
 
@@ -149,7 +149,7 @@ namespace data
 				bool IsNTCP2 () const { return  transportStyle == eTransportNTCP; };
 				bool IsSSU2 () const { return  transportStyle == eTransportSSU2; };
 				bool IsPublishedNTCP2 () const { return IsNTCP2 () && published; };
-				bool IsReachableSSU () const { return (bool)ssu && (published || !ssu->introducers.empty ()); };
+				bool IsReachableSSU () const { return (bool)ssu && (published || UsesIntroducer ()); };
 				bool UsesIntroducer () const { return  (bool)ssu && !ssu->introducers.empty (); };
 
 				bool IsIntroducer () const { return caps & eSSUIntroducer; };
diff --git a/libi2pd/SSU2.cpp b/libi2pd/SSU2.cpp
index 7e48ccfc..94f8eedb 100644
--- a/libi2pd/SSU2.cpp
+++ b/libi2pd/SSU2.cpp
@@ -1124,16 +1124,9 @@ namespace transport
 			else
 			{
 				// we are Alice, message from Bob
-				boost::asio::ip::udp::endpoint ep;
-				if (ExtractEndpoint (buf + 12, buf[11], ep))
+				// update Charlie's endpoint and connect	
+				if (ExtractEndpoint (buf + 12, buf[11], it->second.first->m_RemoteEndpoint))
 				{		
-					// update Charlie's address and connect
-					auto addr = std::make_shared<i2p::data::RouterInfo::Address> ();
-					auto addr1 = it->second.first->m_Address;
-					addr->transportStyle = i2p::data::RouterInfo::eTransportSSU2;
-					addr->host = ep.address (); addr->port = ep.port ();
-					addr->s = addr1->s; addr->i = addr1->i; addr->caps = addr1->caps;
-					it->second.first->m_Address = addr;
 					it->second.first->m_State = eSSU2SessionStateUnknown;
 					it->second.first->Connect ();
 				}	
@@ -1767,12 +1760,15 @@ namespace transport
 		std::shared_ptr<const i2p::data::RouterInfo::Address> address)
 	{
 		if (router && address)
+		{
+			if (address->UsesIntroducer ()) return false; // not implemented yet
 			GetService ().post (
 				[this, router, address]()
 			    {
 					auto session = std::make_shared<SSU2Session> (*this, router, address);
 					session->Connect ();
-				});               
+				});   
+		}	
 		else
 			return false;
 		return true;
diff --git a/libi2pd/Transports.cpp b/libi2pd/Transports.cpp
index 5e7099eb..007d3ffc 100644
--- a/libi2pd/Transports.cpp
+++ b/libi2pd/Transports.cpp
@@ -561,7 +561,7 @@ namespace transport
 						}
 						peer.numAttempts++;
 					}
-					if (address && address->published)
+					if (address && address->IsReachableSSU ())
 					{
 						if (m_SSU2Server->CreateSession (peer.router, address))
 							return true;