--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/pppnif/SPPP/PPPPAP.CPP	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,229 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Protocol (PAP) - RFC 1334.
+// 
+//
+
+/**
+ @file
+ @brief Source file for the implementation of Password Authentication
+ @internalComponent 
+*/
+
+#include "ppppap.h"
+#include "PppProg.h"
+#include "PPPAUTH.H"
+#include "PPPConfig.h"
+
+
+//
+CPppPap::CPppPap()
+	{
+	}
+
+CPppPap::~CPppPap()
+	{
+	if (iPppLcp != 0)
+		TimerDelete();
+	}
+
+void CPppPap::InitL(CPppLcp* aLcp)
+	{
+	CPppAuthentication::InitL(aLcp);
+	TimerConstructL(KPppFsmTimerPriority);
+	Register();
+	}
+
+void CPppPap::AuthenticateComplete(TInt aStatus)
+	{
+	ASSERT(iPppLcp != 0);
+
+	if (aStatus==KErrNone)
+		{
+		//ignore Error, if fails it will time out 
+		//and try again anyway.
+		TRAP_IGNORE(SendAuthRequestL(ETrue));
+		}
+	else
+		DoFail(aStatus);
+	}
+
+void CPppPap::LowerLayerUp()
+	{
+	ASSERT(iPppLcp != 0);
+
+	if (iFlags & KPppApIsClient)
+		{
+		if (IsAuthenticateRequestDone())
+			{
+			//ignore Error, if fails it will time out 
+			//and try again anyway.
+			TRAP_IGNORE(SendAuthRequestL(ETrue));
+			}
+		else
+			AuthenticateRequest();
+		}
+	}
+
+void CPppPap::LowerLayerDown(TInt /*aStatus*/)
+	{
+	ASSERT(iPppLcp != 0);
+
+	TimerCancel();
+	}
+
+void CPppPap::TimerComplete(TInt /*aStatus*/)
+	{
+	ASSERT(iPppLcp != 0);
+
+	if (iTryCount>0)
+		{
+		//ignore Error, if fails it will time out 
+		//and try again anyway.
+		TRAP_IGNORE(SendAuthRequestL());
+		}
+	}
+
+void CPppPap::SendAuthRequestL(TBool aNewRequest)
+	{
+    const CCredentialsConfig* credentials = iPppLcp->GetCredentials();
+#ifdef _UNICODE
+	const TDesC& username = credentials->GetUserName();
+	HBufC8& user = *HBufC8::NewLC(username.Length());
+	user.Des().Copy(username);
+
+	const TDesC& password = credentials->GetPassword();
+	HBufC8& pass = *HBufC8::NewLC(password.Length());
+ 	pass.Des().Copy(password);
+#else
+	TPtrC8 user(credentials->GetUserName()), pass(credentials->GetPassword());
+#endif
+
+	RMBufPacket pkt;
+	RMBufPktInfo* info = NULL;
+	TInt len = 4+user.Length()+1+pass.Length()+1;
+	TRAPD(err, pkt.AllocL(len));
+	if (err!=KErrNone)
+		return;
+	TRAP(err, info = pkt.NewInfoL());
+	if (err!=KErrNone)
+		{
+		pkt.Free();
+		return;
+		}
+	TUint8* ptr = pkt.First()->Ptr();
+	*ptr++ = KPppPapRequest;
+	if (aNewRequest)
+		{
+		iTryCount = KPppPapRetries;
+		if (++iCurrentId==0)
+			++iCurrentId;
+		}
+	*ptr++ = iCurrentId;
+	BigEndian::Put16(ptr, (TUint16)len);
+	ptr += 2;
+	*ptr++ = (TUint8)user.Length();	
+	Mem::Copy(ptr, (TUint8*)user.Ptr(), user.Length());
+	ptr += user.Length();
+	*ptr++ = (TUint8)pass.Length();	
+	Mem::Copy(ptr, (TUint8*)pass.Ptr(), pass.Length());
+	ptr += pass.Length();
+	info->iLength = len;	
+	TPppAddr::Cast((info->iDstAddr)).SetProtocol(iPppId);
+	pkt.Pack();
+	SendFrame(pkt);
+	TimerCancel();
+	TimerAfter(KPppPapWaitTime*1000);
+	--iTryCount;
+
+#ifdef _UNICODE
+	CleanupStack::PopAndDestroy(&pass);
+	CleanupStack::PopAndDestroy(&user);
+#endif
+	}
+
+
+TBool CPppPap::RecvFrame(RMBufChain& aPacket)
+	{
+	ASSERT(iPppLcp != 0);
+
+	RMBufPacket pkt;
+	pkt.Assign(aPacket);
+	pkt.Unpack();
+	RMBufPktInfo* info = pkt.Info();
+
+	TUint8 op;
+	TUint8 id;
+	TInt len;
+
+	if (IsInactive())
+		{
+		pkt.Free();
+		return EFalse;
+		}
+	
+	// Extract and drop LCP header
+	pkt.Align(4);
+	TUint8* ptr = pkt.First()->Ptr();
+	op = *ptr++;
+	id = *ptr++;
+	len = BigEndian::Get16(ptr);
+	
+	// Check packet length is OK
+	if (info->iLength<len)
+		{
+		// Too short!
+		pkt.Free();
+		return EFalse;
+		}
+	else if (info->iLength>len)
+		pkt.TrimEnd(len);
+	
+	pkt.TrimStart(4);
+
+	switch (op)
+		{
+	case KPppPapRequest:
+		{
+		TInt n;
+		TPtrC8 user;
+		TPtrC8 pass;
+		n = *ptr++;
+		user.Set(ptr, n);  ptr += n;
+		n = *ptr++;
+		pass.Set(ptr, n);  ptr += n;
+		}
+	case KPppPapAck:
+		if (id==iCurrentId)
+			{
+			TimerCancel();
+			DoSucceed();
+			if(iPppLcp->CallbackEnabled() && iPppLcp->CallbackRequestType() != ECallbackIETFRequestTypeMSCBCP)
+				{
+				iPppLcp->CallbackGrantedAndAuthenticated();
+				iPppLcp->TerminateLink(MNifIfNotify::ECallBack);	// all done, shut it all down
+				}
+			}
+		break;
+	case KPppPapNak:
+		if (id==iCurrentId)
+			{
+			TimerCancel();
+			DoFail(KErrIfAuthenticationFailure);
+			}
+		break;
+		}
+	pkt.Free();
+	return EFalse;
+	}