added NTLM authentication to SMTPClientSession

Net/include/Poco/Net/HTTPNTLMCredentials.h

@@ -101,9 +101,6 @@ private:
 	HTTPNTLMCredentials& operator = (const HTTPNTLMCredentials&);
 
 	std::string createNTLMMessage(const std::string& ntlmChallengeBase64);
-	static void splitUsername(const std::string& usernameAndDomain, std::string& username, std::string& domain);
-	static std::string toBase64(const std::vector<unsigned char>& buffer);
-	static std::vector<unsigned char> fromBase64(const std::string& base64);
 
 	std::string _username;
 	std::string _password;

Net/include/Poco/Net/NTLMCredentials.h

@@ -160,6 +160,16 @@ public:
 	static void writeBufferDesc(Poco::BinaryWriter& writer, const BufferDesc& desc);
 		/// Writes a buffer descriptor.
 
+	static void splitUsername(const std::string& usernameAndDomain, std::string& username, std::string& domain);
+		/// Splits a username containing a domain into plain username and domain.
+		/// Supported formats are <DOMAIN>\<username> and <username>@<DOMAIN>.
+
+	static std::string toBase64(const std::vector<unsigned char>& buffer);
+		/// Converts the buffer to a base64-encoded string.
+
+	static std::vector<unsigned char> fromBase64(const std::string& base64);
+		/// Decodes the given base64-encoded string.
+
 	static const std::string NTLMSSP;
 		/// Message signature string.
 };

Net/include/Poco/Net/SMTPClientSession.h

@@ -51,7 +51,8 @@ public:
 		AUTH_CRAM_SHA1,
 		AUTH_LOGIN,
 		AUTH_PLAIN,
-		AUTH_XOAUTH2 
+		AUTH_XOAUTH2,
+		AUTH_NTLM
 	};
 
 	explicit SMTPClientSession(const StreamSocket& socket);
@@ -184,6 +185,7 @@ protected:
 	void loginUsingLogin(const std::string& username, const std::string& password);
 	void loginUsingPlain(const std::string& username, const std::string& password);
 	void loginUsingXOAUTH2(const std::string& username, const std::string& password);
+	void loginUsingNTLM(const std::string& username, const std::string& password);
 	DialogSocket& socket();
 
 private:

Net/src/HTTPNTLMCredentials.cpp

@@ -21,10 +21,6 @@
 #include "Poco/DateTime.h"
 #include "Poco/NumberFormatter.h"
 #include "Poco/Exception.h"
-#include "Poco/Base64Encoder.h"
-#include "Poco/Base64Decoder.h"
-#include "Poco/MemoryStream.h"
-#include <sstream>
 
 
 namespace Poco {
@@ -114,13 +110,13 @@ std::string HTTPNTLMCredentials::createNTLMMessage(const std::string& responseAu
 	{
 		NTLMCredentials::NegotiateMessage negotiateMsg;
 		std::string username;
-		splitUsername(_username, username, negotiateMsg.domain);
+		NTLMCredentials::splitUsername(_username, username, negotiateMsg.domain);
 		std::vector<unsigned char> negotiateBuf = NTLMCredentials::formatNegotiateMessage(negotiateMsg);
-		return toBase64(negotiateBuf);
+		return NTLMCredentials::toBase64(negotiateBuf);
 	}
 	else
 	{
-		std::vector<unsigned char> buffer = fromBase64(responseAuthParams);
+		std::vector<unsigned char> buffer = NTLMCredentials::fromBase64(responseAuthParams);
 		NTLMCredentials::ChallengeMessage challengeMsg;
 		if (NTLMCredentials::parseChallengeMessage(&buffer[0], buffer.size(), challengeMsg))
 		{
@@ -131,7 +127,7 @@ std::string HTTPNTLMCredentials::createNTLMMessage(const std::string& responseAu
 
 			std::string username;
 			std::string domain;
-			splitUsername(_username, username, domain);
+			NTLMCredentials::splitUsername(_username, username, domain);
 
 			NTLMCredentials::AuthenticateMessage authenticateMsg;
 			authenticateMsg.flags = challengeMsg.flags;
@@ -147,56 +143,11 @@ std::string HTTPNTLMCredentials::createNTLMMessage(const std::string& responseAu
 			authenticateMsg.ntlmResponse = NTLMCredentials::createNTLMv2Response(ntlm2Hash, challengeMsg.challenge, ntlmNonce, challengeMsg.targetInfo, timestamp);
 
 			std::vector<unsigned char> authenticateBuf = NTLMCredentials::formatAuthenticateMessage(authenticateMsg);
-			return toBase64(authenticateBuf);
+			return NTLMCredentials::toBase64(authenticateBuf);
 		}
 		else throw HTTPException("Invalid NTLM challenge");
 	}
 }
 
 
-void HTTPNTLMCredentials::splitUsername(const std::string& usernameAndDomain, std::string& username, std::string& domain)
-{
-	std::string::size_type pos = usernameAndDomain.find('\\');
-	if (pos != std::string::npos)
-	{
-		domain.assign(usernameAndDomain, 0, pos);
-		username.assign(usernameAndDomain, pos + 1, std::string::npos);
-		return;
-	}
-	else
-	{
-		pos = usernameAndDomain.find('@');
-		if (pos != std::string::npos)
-		{
-			username.assign(usernameAndDomain, 0, pos);
-			domain.assign(usernameAndDomain, pos + 1, std::string::npos);
-			return;
-		}
-	}
-	username = usernameAndDomain;
-}
-
-
-std::string HTTPNTLMCredentials::toBase64(const std::vector<unsigned char>& buffer)
-{
-	std::ostringstream ostr;
-	Poco::Base64Encoder base64(ostr);
-	base64.rdbuf()->setLineLength(0);
-	base64.write(reinterpret_cast<const char*>(&buffer[0]), buffer.size());
-	base64.close();
-	return ostr.str();
-}
-
-
-std::vector<unsigned char> HTTPNTLMCredentials::fromBase64(const std::string& base64)
-{
-	Poco::MemoryInputStream istr(base64.data(), base64.size());
-	Poco::Base64Decoder debase64(istr);
-	std::vector<unsigned char> buffer(base64.size());
-	debase64.read(reinterpret_cast<char*>(&buffer[0]), buffer.size());
-	buffer.resize(static_cast<std::size_t>(debase64.gcount()));
-	return buffer;
-}
-
-
 } } // namespace Poco::Net

Net/src/NTLMCredentials.cpp

@@ -25,6 +25,9 @@
 #include "Poco/Random.h"
 #include "Poco/Timestamp.h"
 #include "Poco/MemoryStream.h"
+#include "Poco/Base64Encoder.h"
+#include "Poco/Base64Decoder.h"
+#include <sstream>
 #include <cstring>
 
 
@@ -326,4 +329,49 @@ void NTLMCredentials::writeBufferDesc(Poco::BinaryWriter& writer, const BufferDe
 }
 
 
+void NTLMCredentials::splitUsername(const std::string& usernameAndDomain, std::string& username, std::string& domain)
+{
+	std::string::size_type pos = usernameAndDomain.find('\\');
+	if (pos != std::string::npos)
+	{
+		domain.assign(usernameAndDomain, 0, pos);
+		username.assign(usernameAndDomain, pos + 1, std::string::npos);
+		return;
+	}
+	else
+	{
+		pos = usernameAndDomain.find('@');
+		if (pos != std::string::npos)
+		{
+			username.assign(usernameAndDomain, 0, pos);
+			domain.assign(usernameAndDomain, pos + 1, std::string::npos);
+			return;
+		}
+	}
+	username = usernameAndDomain;
+}
+
+
+std::string NTLMCredentials::toBase64(const std::vector<unsigned char>& buffer)
+{
+	std::ostringstream ostr;
+	Poco::Base64Encoder base64(ostr);
+	base64.rdbuf()->setLineLength(0);
+	base64.write(reinterpret_cast<const char*>(&buffer[0]), buffer.size());
+	base64.close();
+	return ostr.str();
+}
+
+
+std::vector<unsigned char> NTLMCredentials::fromBase64(const std::string& base64)
+{
+	Poco::MemoryInputStream istr(base64.data(), base64.size());
+	Poco::Base64Decoder debase64(istr);
+	std::vector<unsigned char> buffer(base64.size());
+	debase64.read(reinterpret_cast<char*>(&buffer[0]), buffer.size());
+	buffer.resize(static_cast<std::size_t>(debase64.gcount()));
+	return buffer;
+}
+
+
 } } // namespace Poco::Net

Net/src/SMTPClientSession.cpp

@@ -19,8 +19,9 @@
 #include "Poco/Net/SocketAddress.h"
 #include "Poco/Net/SocketStream.h"
 #include "Poco/Net/NetException.h"
-#include "Poco/Environment.h"
 #include "Poco/Net/NetworkInterface.h"
+#include "Poco/Net/NTLMCredentials.h"
+#include "Poco/Environment.h"
 #include "Poco/HMACEngine.h"
 #include "Poco/MD5Engine.h"
 #include "Poco/SHA1Engine.h"
@@ -236,6 +237,52 @@ void SMTPClientSession::loginUsingXOAUTH2(const std::string& username, const std
 }
 
 
+void SMTPClientSession::loginUsingNTLM(const std::string& username, const std::string& password)
+{
+	NTLMCredentials::NegotiateMessage negotiateMsg;
+	std::string user;
+	std::string domain;
+	NTLMCredentials::splitUsername(username, user, domain);
+	negotiateMsg.domain = domain;
+	std::vector<unsigned char> negotiateBuf = NTLMCredentials::formatNegotiateMessage(negotiateMsg);
+
+	std::string response;
+	int status = sendCommand("AUTH NTLM", NTLMCredentials::toBase64(negotiateBuf), response);
+	if (status == 334)
+	{
+		std::vector<unsigned char> buffer = NTLMCredentials::fromBase64(response);
+		NTLMCredentials::ChallengeMessage challengeMsg;
+		if (NTLMCredentials::parseChallengeMessage(&buffer[0], buffer.size(), challengeMsg))
+		{
+			if ((challengeMsg.flags & NTLMCredentials::NTLM_FLAG_NEGOTIATE_NTLM2_KEY) == 0)
+			{
+				throw SMTPException("Server does not support NTLMv2 authentication");
+			}
+
+			NTLMCredentials::AuthenticateMessage authenticateMsg;
+			authenticateMsg.flags = challengeMsg.flags;
+			authenticateMsg.target = challengeMsg.target;
+			authenticateMsg.username = user;
+
+			std::vector<unsigned char> lmNonce = NTLMCredentials::createNonce();
+			std::vector<unsigned char> ntlmNonce = NTLMCredentials::createNonce();
+			Poco::UInt64 timestamp = NTLMCredentials::createTimestamp();
+			std::vector<unsigned char> ntlm2Hash = NTLMCredentials::createNTLMv2Hash(user, challengeMsg.target, password);
+
+			authenticateMsg.lmResponse = NTLMCredentials::createLMv2Response(ntlm2Hash, challengeMsg.challenge, lmNonce);
+			authenticateMsg.ntlmResponse = NTLMCredentials::createNTLMv2Response(ntlm2Hash, challengeMsg.challenge, ntlmNonce, challengeMsg.targetInfo, timestamp);
+
+			std::vector<unsigned char> authenticateBuf = NTLMCredentials::formatAuthenticateMessage(authenticateMsg);
+
+			status = sendCommand(NTLMCredentials::toBase64(authenticateBuf), response);
+			if (status != 235) throw SMTPException("NTLM authentication failed", response, status);
+		}
+		else throw SMTPException("Invalid NTLM challenge");
+	}
+	else throw SMTPException("Server does not support NTLM authentication");
+}
+
+
 void SMTPClientSession::login(LoginMethod loginMethod, const std::string& username, const std::string& password)
 {
 	login(Environment::nodeName(), loginMethod, username, password);
@@ -287,6 +334,14 @@ void SMTPClientSession::login(const std::string& hostname, LoginMethod loginMeth
 		}
 		else throw SMTPException("The mail service does not support XOAUTH2 authentication", response);
 	}
+	else if (loginMethod == AUTH_NTLM)
+	{
+		if (response.find("NTLM", 0) != std::string::npos)
+		{
+			loginUsingNTLM(username, password);
+		}
+		else throw SMTPException("The mail service does not support NTLM authentication", response);
+	}
 	else if (loginMethod != AUTH_NONE)
 	{
 		throw SMTPException("The autentication method is not supported");