Merge pull request #729 from PurpleI2P/openssl

recent changes

Config.cpp

@@ -41,6 +41,8 @@ namespace config {
 	  ("datadir",   value<std::string>()->default_value(""),     "Path to storage of i2pd data (RI, keys, peer profiles, ...)")
       ("host",      value<std::string>()->default_value("0.0.0.0"),     "External IP")
       ("ifname",    value<std::string>()->default_value(""), "Network interface to bind to")
+			("ifname4",   value<std::string>()->default_value(""), "Network interface to bind to for ipv4")
+			("ifname6",   value<std::string>()->default_value(""), "Network interface to bind to for ipv6")
       ("nat",       value<bool>()->zero_tokens()->default_value(true), "Should we assume we are behind NAT?")
       ("port",      value<uint16_t>()->default_value(0),                "Port to listen for incoming connections (default: auto)")
       ("ipv4",      value<bool>()->zero_tokens()->default_value(true),  "Enable communication through ipv4")

Crypto.cpp

@@ -308,12 +308,12 @@ namespace crypto
 		BN_free (b1);
 	}
 			
-	void ElGamalEncryption::Encrypt (const uint8_t * data, int len, uint8_t * encrypted, bool zeroPadding) const
+	void ElGamalEncryption::Encrypt (const uint8_t * data, uint8_t * encrypted, bool zeroPadding) const
 	{
 		// create m
 		uint8_t m[255];
 		m[0] = 0xFF;
-		memcpy (m+33, data, len);
+		memcpy (m+33, data, 222);
 		SHA256 (m+33, 222, m+1);
 		// calculate b = b1*m mod p
 		BIGNUM * b = BN_new ();

Crypto.h

@@ -54,7 +54,7 @@ namespace crypto
 			ElGamalEncryption (const uint8_t * key);
 			~ElGamalEncryption ();
 			
-			void Encrypt (const uint8_t * data, int len, uint8_t * encrypted, bool zeroPadding = false) const;
+			void Encrypt (const uint8_t * data, uint8_t * encrypted, bool zeroPadding = false) const;
 
 		private:
 
@@ -302,7 +302,11 @@ inline void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **p
 	{ *pr = sig->r; *ps = sig->s; }
 
 inline int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s)
-	{ sig->r = r; sig->s = s; return 1; }
+	{ 
+		if (sig->r) BN_free (sig->r);
+		if (sig->s) BN_free (sig->s);
+		sig->r = r; sig->s = s; return 1; 
+	}
 inline void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
 	{ *pr = sig->r; *ps = sig->s; }
 

Destination.cpp

@@ -13,7 +13,7 @@ namespace i2p
 namespace client
 {
 	LeaseSetDestination::LeaseSetDestination (bool isPublic, const std::map<std::string, std::string> * params):
-		m_IsRunning (false), m_Thread (nullptr), m_Work (m_Service), m_IsPublic (isPublic), 
+		m_IsRunning (false), m_Thread (nullptr), m_IsPublic (isPublic), 
 		m_PublishReplyToken (0), m_PublishConfirmationTimer (m_Service), 
 		m_PublishVerificationTimer (m_Service), m_CleanupTimer (m_Service)
 	{
@@ -85,9 +85,6 @@ namespace client
 	{
 		if (m_IsRunning)	
 			Stop ();
-		for (auto& it: m_LeaseSetRequests)
-			it.second->Complete (nullptr);
-		m_LeaseSetRequests.clear ();
 		if (m_Pool)
 			i2p::tunnel::tunnels.DeleteTunnelPool (m_Pool);		
 	}	
@@ -114,11 +111,11 @@ namespace client
 			m_IsRunning = true;
 			m_Pool->SetLocalDestination (shared_from_this ());
 			m_Pool->SetActive (true);	
-			m_Thread = new std::thread (std::bind (&LeaseSetDestination::Run, shared_from_this ()));
-			
 			m_CleanupTimer.expires_from_now (boost::posix_time::minutes (DESTINATION_CLEANUP_TIMEOUT));
 			m_CleanupTimer.async_wait (std::bind (&LeaseSetDestination::HandleCleanupTimer,
 				shared_from_this (), std::placeholders::_1));		
+			m_Thread = new std::thread (std::bind (&LeaseSetDestination::Run, shared_from_this ()));
+			
 			return true;
 		}	
 		else
@@ -132,6 +129,14 @@ namespace client
 			m_CleanupTimer.cancel ();
 			m_PublishConfirmationTimer.cancel ();
 			m_PublishVerificationTimer.cancel ();
+			
+			for (auto& it: m_LeaseSetRequests)
+			{
+				it.second->Complete (nullptr);
+				it.second->requestTimeoutTimer.cancel ();
+			}
+			m_LeaseSetRequests.clear ();			
+
 			m_IsRunning = false;
 			if (m_Pool)
 			{	
@@ -145,6 +150,7 @@ namespace client
 				delete m_Thread;
 				m_Thread = 0;
 			}	
+			CleanUp (); // GarlicDestination
 			return true;
 		}	
 		else
@@ -700,12 +706,19 @@ namespace client
 		{
 			m_ReadyChecker.cancel();
 			m_StreamingDestination->Stop ();
+			m_StreamingDestination->SetOwner (nullptr);
 			m_StreamingDestination = nullptr;
 			for (auto& it: m_StreamingDestinationsByPorts)
+			{	
 				it.second->Stop ();
-      if(m_DatagramDestination)
+				it.second->SetOwner (nullptr);
+			}
+			m_StreamingDestinationsByPorts.clear ();
+			if (m_DatagramDestination)
+			{	
 				delete m_DatagramDestination;
 				m_DatagramDestination = nullptr;
+			}	
 		  	return true;
 		}
 		else

Destination.h

@@ -137,7 +137,6 @@ namespace client
 			volatile bool m_IsRunning;
 			std::thread * m_Thread;	
 			boost::asio::io_service m_Service;
-			boost::asio::io_service::work m_Work;
 			mutable std::mutex m_RemoteLeaseSetsMutex;
 			std::map<i2p::data::IdentHash, std::shared_ptr<i2p::data::LeaseSet> > m_RemoteLeaseSets;
 			std::map<i2p::data::IdentHash, std::shared_ptr<LeaseSetRequest> > m_LeaseSetRequests;

Garlic.cpp

@@ -188,7 +188,7 @@ namespace garlic
 			RAND_bytes (elGamal.preIV, 32); // Pre-IV
 			uint8_t iv[32]; // IV is first 16 bytes
 			SHA256(elGamal.preIV, 32, iv); 
-			m_ElGamalEncryption->Encrypt ((uint8_t *)&elGamal, sizeof(elGamal), buf, true);			
+			m_ElGamalEncryption->Encrypt ((uint8_t *)&elGamal, buf, true);			
 			m_Encryption.SetIV (iv);
 			buf += 514;
 			len += 514;	
@@ -394,6 +394,12 @@ namespace garlic
 	{
 	}
 
+	void GarlicDestination::CleanUp ()
+	{		
+		m_Sessions.clear ();
+		m_DeliveryStatusSessions.clear ();
+		m_Tags.clear ();
+	}	
 	void GarlicDestination::AddSessionKey (const uint8_t * key, const uint8_t * tag)
 	{
 		if (key)

Garlic.h

@@ -156,6 +156,7 @@ namespace garlic
 			GarlicDestination (): m_NumTags (32) {}; // 32 tags by default
 			~GarlicDestination ();
 
+			void CleanUp ();
 			void SetNumTags (int numTags) { m_NumTags = numTags; };		
 			std::shared_ptr<GarlicRoutingSession> GetRoutingSession (std::shared_ptr<const i2p::data::RoutingDestination> destination, bool attachLeaseSet);	
 			void CleanupExpiredTags ();

RouterContext.cpp

@@ -53,6 +53,8 @@ namespace i2p
 		bool ipv6; i2p::config::GetOption("ipv6", ipv6);
 		bool nat;  i2p::config::GetOption("nat", nat);
 		std::string ifname; i2p::config::GetOption("ifname", ifname);
+		std::string ifname4; i2p::config::GetOption("ifname4", ifname4);
+		std::string ifname6; i2p::config::GetOption("ifname6", ifname6);
 		if (ipv4)
 		{
 			std::string host = "127.0.0.1";
@@ -61,6 +63,10 @@ namespace i2p
 			else if (!nat && !ifname.empty())
 				/* bind to interface, we have no NAT so set external address too */
 				host = i2p::util::net::GetInterfaceAddress(ifname, false).to_string(); // v4
+
+			if(ifname4.size())
+				host = i2p::util::net::GetInterfaceAddress(ifname4, false).to_string();
+
 			routerInfo.AddSSUAddress (host.c_str(), port, routerInfo.GetIdentHash ());
 			routerInfo.AddNTCPAddress (host.c_str(), port);
 		}
@@ -71,9 +77,14 @@ namespace i2p
 				i2p::config::GetOption("host", host);
 			else if (!ifname.empty()) 
 				host = i2p::util::net::GetInterfaceAddress(ifname, true).to_string(); // v6
+
+			if(ifname6.size())
+				host = i2p::util::net::GetInterfaceAddress(ifname6, true).to_string();
+
 			routerInfo.AddSSUAddress (host.c_str(), port, routerInfo.GetIdentHash ());
 			routerInfo.AddNTCPAddress (host.c_str(), port);
 		}
+		
 		routerInfo.SetCaps (i2p::data::RouterInfo::eReachable | 
 			i2p::data::RouterInfo::eSSUTesting | i2p::data::RouterInfo::eSSUIntroducer); // LR, BC
         routerInfo.SetProperty ("netId", std::to_string (m_NetID));

Signature.h

@@ -155,9 +155,10 @@ namespace crypto
 			ECDSAVerifier (const uint8_t * signingKey)
 			{
 				m_PublicKey = EC_KEY_new_by_curve_name (curve);
-				EC_KEY_set_public_key_affine_coordinates (m_PublicKey, 
+				BIGNUM * x = BN_bin2bn (signingKey, keyLen/2, NULL);
-					BN_bin2bn (signingKey, keyLen/2, NULL),
+				BIGNUM * y = BN_bin2bn (signingKey + keyLen/2, keyLen/2, NULL);
-					BN_bin2bn (signingKey + keyLen/2, keyLen/2, NULL));  
+				EC_KEY_set_public_key_affine_coordinates (m_PublicKey, x, y);
+				BN_free (x); BN_free (y);
 			}
 
 			~ECDSAVerifier ()

Streaming.h

@@ -224,6 +224,7 @@ namespace stream
 			void ResetAcceptor ();
 			bool IsAcceptorSet () const { return m_Acceptor != nullptr; };	
 			std::shared_ptr<i2p::client::ClientDestination> GetOwner () const { return m_Owner; };
+			void SetOwner (std::shared_ptr<i2p::client::ClientDestination> owner) { m_Owner = owner; };
 			uint16_t GetLocalPort () const { return m_LocalPort; };
 
 			void HandleDataMessagePayload (const uint8_t * buf, size_t len);

TunnelConfig.h

@@ -102,7 +102,7 @@ namespace tunnel
 			htobe32buf (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET, replyMsgID); 
 			RAND_bytes (clearText + BUILD_REQUEST_RECORD_PADDING_OFFSET, BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE - BUILD_REQUEST_RECORD_PADDING_OFFSET);
 			i2p::crypto::ElGamalEncryption elGamalEncryption (ident->GetEncryptionPublicKey ());
-			elGamalEncryption.Encrypt (clearText, BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE, record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET);
+			elGamalEncryption.Encrypt (clearText, record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET);
 			memcpy (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)ident->GetIdentHash (), 16);
 		}	
 	};	

docs/building/unix.md

@@ -64,12 +64,10 @@ You will need a compiler and other tools that could be installed with `build-ess
 Also you will need a bunch of development libraries:
 
 	sudo apt-get install \
-	    libboost-chrono-dev \
 	    libboost-date-time-dev \
 	    libboost-filesystem-dev \
 	    libboost-program-options-dev \
 	    libboost-system-dev \
-	    libboost-thread-dev \
 	    libssl-dev
 
 If you need UPnP support miniupnpc development library should be installed (don't forget to rerun CMake with needed option):