public static ConditionalAceStringToken FromBytes(byte[] binaryForm, int offset, ConditionalAceTokenByteCode tokenType)
{
int length = BitConverter.ToInt32(binaryForm, offset);
if (length >= (binaryForm.Length - offset))
{
throw new Exception("Unable to create ConditionalAceStringToken from byte array; length is too long");
}
var stringToken = new ConditionalAceStringToken(string.Empty, tokenType);
stringToken.StringValue = stringToken.Encoding.GetString(binaryForm, offset + 4, length);
return(stringToken);
}
public static List <ConditionalAceToken> GetTokens(byte[] binaryForm, int offset, int length)
{
int maxOffset = offset + length;
List <ConditionalAceToken> tokenList = new List <ConditionalAceToken>();
ConditionalAceTokenByteCode tokenByteCode;
while (offset < maxOffset)
{
tokenByteCode = (ConditionalAceTokenByteCode)binaryForm[offset++];
//Console.WriteLine("offset = {0}; maxOffset = {1}: {2}", offset - 1, maxOffset, tokenByteCode);
switch (tokenByteCode)
{
case ConditionalAceTokenByteCode.Padding: // Padding
tokenList.Add(new ConditionalAcePaddingToken());
break;
case ConditionalAceTokenByteCode.UnicodeString:
case ConditionalAceTokenByteCode.OctetString:
tokenList.Add(ConditionalAceStringToken.FromBytes(binaryForm, offset, tokenByteCode));
break;
case ConditionalAceTokenByteCode.ResourceAttribute:
case ConditionalAceTokenByteCode.LocalAttribute:
case ConditionalAceTokenByteCode.DeviceAttribute:
case ConditionalAceTokenByteCode.UserAttribute:
tokenList.Add(ConditionalAceAttributeToken.FromBytes(binaryForm, offset, tokenByteCode));
break;
case ConditionalAceTokenByteCode.Composite: // Composite
tokenList.Add(ConditionalAceCompositeToken.FromBytes(binaryForm, offset));
break;
case ConditionalAceTokenByteCode.Sid: // SID
tokenList.Add(ConditionalAceSecurityIdentifierToken.FromBytes(binaryForm, offset));
break;
case ConditionalAceTokenByteCode.Exists:
case ConditionalAceTokenByteCode.Member_of:
case ConditionalAceTokenByteCode.Device_Member_of:
case ConditionalAceTokenByteCode.Member_of_Any:
case ConditionalAceTokenByteCode.Device_Member_of_Any:
case ConditionalAceTokenByteCode.Not_Exists:
case ConditionalAceTokenByteCode.Not_Member_of:
case ConditionalAceTokenByteCode.Not_Device_Member_of:
case ConditionalAceTokenByteCode.Not_Member_of_Any:
case ConditionalAceTokenByteCode.Not_Device_Member_of_Any:
case ConditionalAceTokenByteCode.Not:
case ConditionalAceTokenByteCode.Equals:
case ConditionalAceTokenByteCode.NotEquals:
case ConditionalAceTokenByteCode.LessThan:
case ConditionalAceTokenByteCode.LessThanOrEqualTo:
case ConditionalAceTokenByteCode.GreaterThan:
case ConditionalAceTokenByteCode.GreaterThanOrEqualTo:
case ConditionalAceTokenByteCode.Contains:
case ConditionalAceTokenByteCode.AnyOf:
case ConditionalAceTokenByteCode.NotContains:
case ConditionalAceTokenByteCode.NotAnyOf:
case ConditionalAceTokenByteCode.And:
case ConditionalAceTokenByteCode.Or:
tokenList.Add(new ConditionalAceOperatorToken(tokenByteCode));
break;
default:
throw new Exception(string.Format("Unknown token byte code: 0x{0:x2}", (byte)tokenByteCode));
}
offset += tokenList.Last().BinaryLength - 1; // -1 b/c offset was already incremented
}
return(tokenList);
}