1 /*

     2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #include <es_sock.h>

    22 #include "natfwunsafmagiccookieattribute.h"

    23 #include "natfwunsafutils.h"

    24 

    25 // -----------------------------------------------------------------------------

    26 // CNATFWUNSAFMagicCookieAttribute::NewL

    27 // -----------------------------------------------------------------------------

    28 //

    29 EXPORT_C CNATFWUNSAFMagicCookieAttribute*

    30 CNATFWUNSAFMagicCookieAttribute::NewL()

    31     {

    32     CNATFWUNSAFMagicCookieAttribute* self =

    33         CNATFWUNSAFMagicCookieAttribute::NewLC();

    34     CleanupStack::Pop(self);

    35     return self;

    36     }

    37 

    38 // -----------------------------------------------------------------------------

    39 // CNATFWUNSAFMagicCookieAttribute::NewLC

    40 // -----------------------------------------------------------------------------

    41 //

    42 EXPORT_C CNATFWUNSAFMagicCookieAttribute*

    43 CNATFWUNSAFMagicCookieAttribute::NewLC()

    44     {

    45     CNATFWUNSAFMagicCookieAttribute* self =

    46         new (ELeave) CNATFWUNSAFMagicCookieAttribute();

    47     CleanupStack::PushL(self);

    48     return self;

    49     }

    50 

    51 // -----------------------------------------------------------------------------

    52 // CNATFWUNSAFMagicCookieAttribute::DecodeAttributeL

    53 // -----------------------------------------------------------------------------

    54 //

    55 CNATFWUNSAFAttribute*

    56 CNATFWUNSAFMagicCookieAttribute::DecodeAttributeL(const TDesC8& aByteStream)

    57     {

    58     TUint16 valueLength = ParseLengthL(aByteStream);

    59 

    60     //Stream has to have enough data for the whole value element

    61     __ASSERT_ALWAYS(valueLength == EAttributeValueSize,

    62                     User::Leave(KErrCorrupt));

    63     __ASSERT_ALWAYS(aByteStream.Length() >= EValueOffset + valueLength,

    64                     User::Leave(KErrArgument));

    65 

    66 

    67     TUint32 value = BigEndian::Get32(aByteStream.Mid(EValueOffset).Ptr());

    68     __ASSERT_ALWAYS(EMagicCookieValue == value,

    69                     User::Leave(KErrArgument));

    70     return NewL();

    71     }

    72 

    73 // -----------------------------------------------------------------------------

    74 // CNATFWUNSAFMagicCookieAttribute::CNATFWUNSAFMagicCookieAttribute

    75 // -----------------------------------------------------------------------------

    76 //

    77 CNATFWUNSAFMagicCookieAttribute::CNATFWUNSAFMagicCookieAttribute() :

    78     CNATFWUNSAFAttribute()

    79     {

    80     }

    81 

    82 // -----------------------------------------------------------------------------

    83 // CNATFWUNSAFMagicCookieAttribute::~CNATFWUNSAFMagicCookieAttribute

    84 // -----------------------------------------------------------------------------

    85 //

    86 CNATFWUNSAFMagicCookieAttribute::~CNATFWUNSAFMagicCookieAttribute()

    87     {

    88     }

    89 

    90 // -----------------------------------------------------------------------------

    91 // CNATFWUNSAFMagicCookieAttribute::Type

    92 // -----------------------------------------------------------------------------

    93 //

    94 CNATFWUNSAFAttribute::TType CNATFWUNSAFMagicCookieAttribute::Type() const

    95     {

    96     return EMagicCookie;

    97     }

    98 

    99 // -----------------------------------------------------------------------------

   100 // CNATFWUNSAFMagicCookieAttribute::EncodeValueL

   101 // -----------------------------------------------------------------------------

   102 //

   103 HBufC8* CNATFWUNSAFMagicCookieAttribute::EncodeValueL() const

   104     {

   105     HBufC8* encodedValue = HBufC8::NewLC(EAttributeValueSize);

   106 

   107     TPtr8 ptr = encodedValue->Des();

   108     ptr.FillZ(EAttributeValueSize);

   109 

   110     TUint32 value(EMagicCookieValue);

   111     NATFWUNSAFUtils::WriteNetworkOrder32L(ptr, 0, value);

   112 

   113     CleanupStack::Pop(encodedValue);

   114     return encodedValue;

   115     }

   116 

   117 // -----------------------------------------------------------------------------

   118 // CNATFWUNSAFMagicCookieAttribute::MagicCookie

   119 // -----------------------------------------------------------------------------

   120 //

   121 EXPORT_C TUint32 CNATFWUNSAFMagicCookieAttribute::MagicCookie() const

   122     {

   123     return EMagicCookieValue;

   124     }