private void PeerATest(EncryptionTypes encryption, bool addInitial)
{
rig.Engine.Settings.AllowedEncryption = encryption;
rig.Engine.StartAll();
var message = new HandshakeMessage(rig.Manager.InfoHash, "ABC123ABC123ABC123AB",
VersionInfo.ProtocolStringV100);
var buffer = message.Encode();
var a = new PeerAEncryption(rig.Manager.InfoHash, encryption);
if (addInitial)
a.AddPayload(buffer);
rig.AddConnection(conn.Incoming);
var result = a.BeginHandshake(conn.Outgoing, null, null);
if (!result.AsyncWaitHandle.WaitOne(4000, true))
Assert.True(false, "Handshake timed out");
a.EndHandshake(result);
if (!addInitial)
{
a.Encryptor.Encrypt(buffer);
conn.Outgoing.EndSend(conn.Outgoing.BeginSend(buffer, 0, buffer.Length, null, null));
}
var received = conn.Outgoing.EndReceive(conn.Outgoing.BeginReceive(buffer, 0, buffer.Length, null, null));
Assert.Equal(68, received);
a.Decryptor.Decrypt(buffer);
message.Decode(buffer, 0, buffer.Length);
Assert.Equal(VersionInfo.ProtocolStringV100, message.ProtocolString);
if (encryption == EncryptionTypes.RC4Full)
Assert.True(a.Encryptor is RC4);
else if (encryption == EncryptionTypes.RC4Header)
Assert.True(a.Encryptor is RC4Header);
else if (encryption == EncryptionTypes.PlainText)
Assert.True(a.Encryptor is RC4Header);
}
private void Handshake(EncryptionTypes encryptionA, EncryptionTypes encryptionB, bool addInitial)
{
bool doneA = false;
bool doneB = false;
HandshakeMessage m = new HandshakeMessage(rig.Torrent.InfoHash, "12345123451234512345", VersionInfo.ProtocolStringV100);
byte[] handshake = m.Encode();
PeerAEncryption a = new PeerAEncryption(rig.Torrent.InfoHash, encryptionA);
if (addInitial)
a.AddPayload(handshake);
PeerBEncryption b = new PeerBEncryption(new byte[][] { rig.Torrent.InfoHash }, encryptionB);
IAsyncResult resultA = a.BeginHandshake(conn.Outgoing, null, null);
IAsyncResult resultB = b.BeginHandshake(conn.Incoming, null, null);
WaitHandle[] handles = new WaitHandle[] { resultA.AsyncWaitHandle, resultB.AsyncWaitHandle };
int count = 1000;
while (!WaitHandle.WaitAll(handles, 5, true))
{
if (!doneA && (doneA = resultA.IsCompleted))
a.EndHandshake(resultA);
if (!doneB && (doneB = resultB.IsCompleted))
b.EndHandshake(resultB);
if (count-- == 0)
Assert.Fail("Could not handshake");
}
if (!doneA)
a.EndHandshake(resultA);
if (!doneB)
b.EndHandshake(resultB);
HandshakeMessage d = new HandshakeMessage();
if (!addInitial)
{
a.Encrypt(handshake, 0, handshake.Length);
b.Decrypt(handshake, 0, handshake.Length);
d.Decode(handshake, 0, handshake.Length);
}
else
{
d.Decode(b.InitialData, 0, b.InitialData.Length);
}
Assert.AreEqual(m, d);
if (encryptionA == EncryptionTypes.RC4Full || encryptionB == EncryptionTypes.RC4Full)
{
Assert.IsTrue(a.Encryptor is RC4);
Assert.IsTrue(b.Encryptor is RC4);
}
else if (encryptionA == EncryptionTypes.RC4Header || encryptionB == EncryptionTypes.RC4Header)
{
Assert.IsTrue(a.Encryptor is RC4Header);
Assert.IsTrue(b.Encryptor is RC4Header);
}
else if (encryptionA == EncryptionTypes.PlainText || encryptionB == EncryptionTypes.PlainText)
{
Assert.IsTrue(a.Encryptor is PlainTextEncryption);
Assert.IsTrue(b.Encryptor is PlainTextEncryption);
}
}