add options to not use ntcp or ssu

Config.cpp

@@ -124,6 +124,8 @@ namespace config {
       ("notransit", value<bool>()->zero_tokens()->default_value(false), "Router will not accept transit tunnels at startup")
       ("floodfill", value<bool>()->zero_tokens()->default_value(false), "Router will be floodfill")
       ("bandwidth", value<std::string>()->default_value(""), "Bandwidth limit: integer in kbps or letters: L (32), O (256), P (2048), X (>9000)")
+      ("ntcp", value<bool>()->zero_tokens()->default_value(true), "enable ntcp transport")
+      ("ssu", value<bool>()->zero_tokens()->default_value(true), "enable ssu transport")
 #ifdef _WIN32
       ("svcctl",    value<std::string>()->default_value(""),     "Windows service management ('install' or 'remove')")
       ("insomnia", value<bool>()->zero_tokens()->default_value(false), "Prevent system from sleeping")

Daemon.cpp

@@ -205,8 +205,10 @@ namespace i2p
 			LogPrint(eLogInfo, "Daemon: starting UPnP");
 			d.m_UPnP.Start ();
 #endif
+      bool ntcp; i2p::config::GetOption("ntcp", ntcp);
+      bool ssu; i2p::config::GetOption("ssu", ssu);
 			LogPrint(eLogInfo, "Daemon: starting Transports");
-			i2p::transport::transports.Start();
+			i2p::transport::transports.Start(ntcp, ssu);
 			if (i2p::transport::transports.IsBoundNTCP() || i2p::transport::transports.IsBoundSSU()) {
 				LogPrint(eLogInfo, "Daemon: Transports started");
 			} else {

I2CP.cpp

@@ -474,11 +474,16 @@ namespace client
         {
           offset += identsize;
           uint32_t payloadLen = bufbe32toh (buf + offset);
-          offset += 4;
-          uint32_t nonce = bufbe32toh (buf + offset + payloadLen);
-          if (m_IsSendAccepted) 
-            SendMessageStatusMessage (nonce, eI2CPMessageStatusAccepted); // accepted
-          m_Destination->SendMsgTo (buf + offset, payloadLen, identity.GetIdentHash (), nonce);
+          if (payloadLen + offset <= len)
+          {            
+            offset += 4;
+            uint32_t nonce = bufbe32toh (buf + offset + payloadLen);
+            if (m_IsSendAccepted) 
+              SendMessageStatusMessage (nonce, eI2CPMessageStatusAccepted); // accepted
+            m_Destination->SendMsgTo (buf + offset, payloadLen, identity.GetIdentHash (), nonce);
+          }
+          else
+            LogPrint(eLogError, "I2CP: cannot send message, too big");
         }
         else
           LogPrint(eLogError, "I2CP: invalid identity");

Makefile.linux

@@ -28,15 +28,15 @@ endif
 NEEDED_CXXFLAGS += -fPIC
 
 ifeq ($(USE_STATIC),yes)
-  LIBDIR := /usr/lib
+  #LIBDIR = /usr/lib
   LDLIBS  = $(LIBDIR)/libboost_system.a
   LDLIBS += $(LIBDIR)/libboost_date_time.a
   LDLIBS += $(LIBDIR)/libboost_filesystem.a
   LDLIBS += $(LIBDIR)/libboost_program_options.a
-  LDLIBS += $(LIBDIR)/libcrypto.a
   LDLIBS += $(LIBDIR)/libssl.a
+  LDLIBS += $(LIBDIR)/libcrypto.a
   LDLIBS += $(LIBDIR)/libz.a
-  LDLIBS += -lpthread -static-libstdc++ -static-libgcc
+  LDLIBS += -lpthread -static-libstdc++ -static-libgcc -lrt
   USE_AESNI := no
 else
   LDLIBS = -lcrypto -lssl -lz -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options -lpthread

Transports.cpp

@@ -105,7 +105,7 @@ namespace transport
 		Stop ();
 	}	
 
-	void Transports::Start ()
+	void Transports::Start (bool enableNTCP, bool enableSSU)
 	{
 		m_DHKeysPairSupplier.Start ();
 		m_IsRunning = true;
@@ -114,7 +114,7 @@ namespace transport
 		auto& addresses = context.GetRouterInfo ().GetAddresses ();
 		for (auto address : addresses)
 		{
-			if (!m_NTCPServer)
+			if (!m_NTCPServer && enableNTCP)
 			{
 				m_NTCPServer = new NTCPServer ();
 				m_NTCPServer->Start ();
@@ -129,7 +129,7 @@ namespace transport
 			
 			if (address->transportStyle == RouterInfo::eTransportSSU && address->host.is_v4 ())
 			{
-				if (!m_SSUServer)
+				if (!m_SSUServer && enableSSU)
 				{	
 					m_SSUServer = new SSUServer (address->port);
 					LogPrint (eLogInfo, "Transports: Start listening UDP port ", address->port);

Transports.h

@@ -73,7 +73,7 @@ namespace transport
 			Transports ();
 			~Transports ();
 
-			void Start ();
+			void Start (bool enableNTCP=true, bool enableSSU=true);
 			void Stop ();
 
 			bool IsBoundNTCP() const { return m_NTCPServer != nullptr; }