public void EnhancedBlockStream_Int16()
{
var es = new EnhancedBlockStream();
es.WriteInt16(0);
es.WriteInt16(55);
es.WriteInt16(0x1234);
es.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(0, es.ReadInt16());
Assert.AreEqual(55, es.ReadInt16());
Assert.AreEqual(0x1234, es.ReadInt16());
}
/// <summary>
/// Renders the packet into a form suitable for transmission via UDP.
/// </summary>
/// <returns>The raw packet byte array.</returns>
public byte[] ToArray()
{
var bs = new EnhancedBlockStream(0, 2048);
bs.WriteByte((byte)this.Code);
bs.WriteByte((byte)this.Identifier);
bs.WriteInt16(0); // Put a zero in for the length and come back and fill
// this in after we know what the actual length is.
bs.WriteBytesNoLen(this.Authenticator);
for (int i = 0; i < this.Attributes.Count; i++)
{
var attr = this.Attributes[i];
if (attr.Value.Length > RadiusAttribute.MaxValueLen)
{
throw new RadiusException("Attribute value size exceeds 253 bytes.");
}
bs.WriteByte((byte)attr.Type);
bs.WriteByte((byte)(attr.Value.Length + 2));
bs.WriteBytesNoLen(attr.Value);
}
// Go back and write the actual length
if (bs.Length > short.MaxValue)
{
throw new RadiusException("RADIUS packet is too large.");
}
bs.Position = 2;
bs.WriteInt16((int)bs.Length);
return(bs.ToArray());
}
public void EnhancedBlockStream_VerifyBufLength()
{
var es = new EnhancedBlockStream();
es.WriteInt16(5000);
es.Seek(0, SeekOrigin.Begin);
try
{
es.ReadBytes16();
Assert.Fail();
}
catch
{
}
es.Seek(0, SeekOrigin.Begin);
try
{
es.ReadString16();
Assert.Fail();
}
catch
{
}
es.Seek(0, SeekOrigin.Begin);
es.WriteInt32(500000);
try
{
es.ReadBytes32();
Assert.Fail();
}
catch
{
}
es.Seek(0, SeekOrigin.Begin);
try
{
es.ReadString32();
Assert.Fail();
}
catch
{
}
}