public static KeyBlock Decode(KeytabDecodeBuffer buffer)
{
KeyBlock keyBlock = new KeyBlock();
keyBlock.type = buffer.DecodeUInt16();
keyBlock.Data = CountedOctetString.Decode(buffer);
return keyBlock;
}
internal static CountedOctetString Decode(KeytabDecodeBuffer buffer)
{
CountedOctetString octStr = new CountedOctetString();
octStr.Length = buffer.DecodeUInt16();
octStr.Data = buffer.DecodeByteArray(octStr.Length);
return octStr;
}
internal static CountedOctetString Decode(KeytabDecodeBuffer buffer)
{
CountedOctetString octStr = new CountedOctetString();
octStr.Length = buffer.DecodeUInt16();
octStr.Data = buffer.DecodeByteArray(octStr.Length);
return(octStr);
}
public static KeyBlock Decode(KeytabDecodeBuffer buffer)
{
KeyBlock keyBlock = new KeyBlock();
keyBlock.type = buffer.DecodeUInt16();
keyBlock.Data = CountedOctetString.Decode(buffer);
return(keyBlock);
}
public static Keytab Decode(byte[] buffer)
{
List <KeytabEntry> entryList = new List <KeytabEntry>();
KeytabDecodeBuffer decodeBuffer = new KeytabDecodeBuffer(buffer);
Keytab keytab = new Keytab
{
FormatVersion = decodeBuffer.DecodeUInt16(),
entries = new KeytabEntry[1]
};
while (!decodeBuffer.EOS)
{
entryList.Add(KeytabEntry.Decode(decodeBuffer, keytab.FormatVersion));
}
keytab.entries = new KeytabEntry[entryList.Count];
for (int i = 0; i < entryList.Count; i++)
{
keytab.entries[i] = entryList[i];
}
return(keytab);
}
/// <summary>
/// Decode the KeytabDecodeBuffer into KeytabEntry.
/// Reference: http://www.gnu.org/software/shishi/manual/html_node/The-Keytab-Binary-File-Format.html
/// </summary>
public static KeytabEntry Decode(KeytabDecodeBuffer buffer, ushort formatVersion)
{
KeytabEntry entry = new KeytabEntry();
entry.Size = buffer.DecodeInt32();
buffer.EntrySize = entry.Size;
//* sub 1 if version 0x501 *
entry.NumComponents = buffer.DecodeUInt16();
if (formatVersion == 0x501)
{
entry.NumComponents--;
}
entry.Realm = CountedOctetString.Decode(buffer);
entry.Components = new CountedOctetString[entry.NumComponents];
for (int i = 0; i < entry.NumComponents; i++)
{
entry.Components[i] = CountedOctetString.Decode(buffer);
}
// not present if version 0x501
if (formatVersion != 0x501)
{
entry.NameType = buffer.DecodeUInt32();
}
entry.TimeStamp = buffer.DecodeUInt32();
entry.Vno8 = buffer.DecodeByte();
entry.Key = KeyBlock.Decode(buffer);
if (buffer.EntrySize >= 4)
{
entry.Vno = buffer.DecodeUInt32();
}
if (buffer.EntrySize > 0)
{
buffer.MoveIndexToNext();
}
return(entry);
}
/// <summary>
/// Decode the KeytabDecodeBuffer into KeytabEntry.
/// Reference: http://www.gnu.org/software/shishi/manual/html_node/The-Keytab-Binary-File-Format.html
/// </summary>
public static KeytabEntry Decode(KeytabDecodeBuffer buffer, ushort formatVersion)
{
KeytabEntry entry = new KeytabEntry();
entry.Size = buffer.DecodeInt32();
buffer.EntrySize = entry.Size;
//* sub 1 if version 0x501 *
entry.NumComponents = buffer.DecodeUInt16();
if (formatVersion == 0x501)
{
entry.NumComponents--;
}
entry.Realm = CountedOctetString.Decode(buffer);
entry.Components = new CountedOctetString[entry.NumComponents];
for (int i = 0; i < entry.NumComponents; i++)
{
entry.Components[i] = CountedOctetString.Decode(buffer);
}
// not present if version 0x501
if (formatVersion != 0x501)
{
entry.NameType = buffer.DecodeUInt32();
}
entry.TimeStamp = buffer.DecodeUInt32();
entry.Vno8 = buffer.DecodeByte();
entry.Key = KeyBlock.Decode(buffer);
if (buffer.EntrySize >= 4)
{
entry.Vno = buffer.DecodeUInt32();
}
if (buffer.EntrySize > 0)
{
buffer.MoveIndexToNext();
}
return entry;
}
public static Keytab Decode(byte[] buffer)
{
List<KeytabEntry> entryList = new List<KeytabEntry>();
KeytabDecodeBuffer decodeBuffer = new KeytabDecodeBuffer(buffer);
Keytab keytab = new Keytab
{
FormatVersion = decodeBuffer.DecodeUInt16(),
entries = new KeytabEntry[1]
};
while (!decodeBuffer.EOS)
{
entryList.Add(KeytabEntry.Decode(decodeBuffer, keytab.FormatVersion));
}
keytab.entries = new KeytabEntry[entryList.Count];
for (int i = 0; i < entryList.Count; i++)
{
keytab.entries[i] = entryList[i];
}
return keytab;
}
