diff -r abbed5a4b42a -r 8d540f55e491 tcpiputils/dnd/src/servers.cpp
--- a/tcpiputils/dnd/src/servers.cpp	Tue Aug 31 16:45:15 2010 +0300
+++ b/tcpiputils/dnd/src/servers.cpp	Wed Sep 01 12:33:58 2010 +0100
@@ -1,4 +1,3 @@
-// Copyright (c) 2004-2009 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"
@@ -36,6 +35,7 @@
 public:
 	TName iName;				//< Name of the interface
 	TUint32 iScope[16];			//< The scope vector
+	RInetSuffixList iSuffixList;//< Structure to hold the interface specific domain search list
 	};
 
 // Item of the configured servers list
@@ -70,6 +70,10 @@
 	TInt BuildServerList();
 	void AddServerAddress(const TName &aInterface, const TInetAddr &aAddr);
 	void LockByAddress(const TInetAddr &aAddr, TUint32 aNid, TDnsServerFilter &aFilter);
+	// Retrieves the domain search list configured on the interface associated with the nominated name server
+	void InterfaceSuffixList(TInt aServerId, RInetSuffixList& aSuffixList);
+	// Performs the network id selection for the query based on the domain name on the query
+	void UpdateDomain(TDnsServerFilter &aFilter) const;
 
 private:
 	// Build and add interface entry to the list (basic operation)
@@ -93,6 +97,9 @@
 	CArrayFixFlat<TDnsServerData> *iServerList;	//< Current list of servers
 	CArrayFixFlat<TDnsInterfaceData> *iInterfaceList; //< Current list of interfaces
 	CArrayFixFlat<TDnsConfiguredServer> *iConfiguredList; //< Current list of configured servers
+	
+private:
+	TInt AddInterfaceEntry(const TSoInetIfQuery &aInfo, RSocket& aSocket);
 	};
 
 
@@ -140,18 +147,44 @@
 	delete iConfiguredList;
 	}
 
-// CDnsServerManager::AddInterfaceData
-TInt CDnsServerManager::AddInterfaceEntry(const TSoInetIfQuery &aInfo)
+// CDnsServerManager::AddInterfaceEntry
+TInt CDnsServerManager::AddInterfaceEntry(const TSoInetIfQuery &aInfo, RSocket& aSocket)
 	{
-	TRAPD(err,
-		TDnsInterfaceData &ifd = iInterfaceList->ExtendL();
-		ifd.iName = aInfo.iName;
-		for (TInt i = sizeof(ifd.iScope) / sizeof(ifd.iScope[0]); --i >= 0; )
-			ifd.iScope[i] = aInfo.iZone[i];
+    TRAPD(err,
+	TDnsInterfaceData &ifd = iInterfaceList->ExtendL();
+
+    ifd.iName = aInfo.iName;
+    for (TInt i = sizeof(ifd.iScope) / sizeof(ifd.iScope[0]); --i >= 0; )
+        ifd.iScope[i] = aInfo.iZone[i];
+    
+    if (aSocket.SetOpt(KSoInetEnumDomainSuffix, KSolInetIfCtrl) == KErrNone)
+        {
+        ifd.iSuffixList.Reset();
+        TInetSuffix data;
+        TPckg<TInetSuffix> opt(data);
+        while (aSocket.GetOpt(KSoInetNextDomainSuffix, KSolInetIfCtrl, opt) == KErrNone)
+            {
+            TSuffixName tmpBuf;
+            tmpBuf.Copy(opt().iSuffixName);
+            ifd.iSuffixList.AppendL(tmpBuf);
+            }
+        }
 		);
+		
 	return err < 0 ? err : iInterfaceList->Count() - 1;
 	}
 
+TInt CDnsServerManager::AddInterfaceEntry(const TSoInetIfQuery &aInfo)
+    {
+    TRAPD(err,
+        TDnsInterfaceData &ifd = iInterfaceList->ExtendL();
+        ifd.iName = aInfo.iName;
+        for (TInt i = sizeof(ifd.iScope) / sizeof(ifd.iScope[0]); --i >= 0; )
+            ifd.iScope[i] = aInfo.iZone[i];
+        );
+    return err < 0 ? err : iInterfaceList->Count() - 1;
+    }
+
 // CDnsServerManager::AddToInterfaceList
 // *************************************
 /**
@@ -178,13 +211,14 @@
 		if (data.iName.Compare(aInfo.iName) == 0)
 			return i;	// Interface already present in the list
 		}
+
 	//
 	// A new interface, get the scope vector
 	//
 	TPckgBuf<TSoInetIfQuery> opt;
 	opt().iName = aInfo.iName;
 	const TInt err = aSocket.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, opt);
-	return err < 0 ? err : AddInterfaceEntry(opt());
+	return err < 0 ? err : AddInterfaceEntry(opt(), aSocket);
 	}
 
 // CDnsServerManager::FindInterface
@@ -445,6 +479,32 @@
 	return 	TRUE;
 	}
 
+/**
+// @name	UpdateDomain
+// @param   aFilter the server filter
+// @param   aServer to be tested against the filter
+*/
+void CDnsServerManager::UpdateDomain(TDnsServerFilter &aFilter) const
+    {
+	LOG(Log::Printf(_L("CDnsServerManager -- RHostResolver opened on implicit connection")));
+    if ( aFilter.iDomainName.Length() )
+        {
+        TBool updatedDomain(FALSE);
+        for (TInt i = iInterfaceList->Count(); --i >= 0 && !updatedDomain; )
+            {
+            TDnsInterfaceData &id = iInterfaceList->At(i);
+            for (TInt i=0; i<id.iSuffixList.Count();i++)
+                {
+                if (aFilter.iDomainName.Find(id.iSuffixList[i]) != KErrNotFound)
+                    {
+                    aFilter.iLockId = id.iScope[aFilter.iLockType-1];
+                    updatedDomain = TRUE;
+                    break;
+                    }
+                }
+            }
+        }
+    }
 
 //
 // MDnsServerManager API
@@ -681,3 +741,22 @@
 			}
 		}
 	}
+
+/**
+// @name 	InterfaceSuffixList
+// @param	aServerId	Id of the server used for name resolution
+// @param	aSuffixList	reference to array for reading the interface specific domain suffices
+*/
+void CDnsServerManager::InterfaceSuffixList(TInt aServerId, RInetSuffixList& aSuffixList)
+    {
+    const TInt N = iServerList->Count();
+    for (TInt i = 0; i < N; ++i)
+        {
+        const TDnsServerData &server =  iServerList->At(i);
+        if (server.iServerId == aServerId)
+            {
+            aSuffixList = iInterfaceList->At(server.iInterface).iSuffixList;
+            break;
+            }
+        }
+    }