private static void LeafLogin(Leaf leaf, TCPPacketReader packet, ulong time, LinkMode mode)
{
if (leaf.LoginPhase != LinkLogin.AwaitingLogin)
{
leaf.SendPacket(HubOutbound.LinkError(LinkError.BadProtocol));
leaf.Disconnect();
return;
}
byte[] credentials = packet.ReadBytes(20);
leaf.Protocol = packet;
leaf.Port = packet;
Leaf existing = LeafPool.Leaves.Find(x => x.ExternalIP.Equals(leaf.ExternalIP) && x.Port == leaf.Port && x.Ident != leaf.Ident);
if (existing != null)
{
existing.Disconnect();
}
TrustedLeafItem item = TrustedLeavesManager.GetTrusted(leaf.ExternalIP, leaf.Port, credentials);
if (item == null)
{
leaf.SendPacket(HubOutbound.LinkError(LinkError.Untrusted));
leaf.Disconnect();
return;
}
if (mode != LinkMode.Hub)
{
leaf.SendPacket(HubOutbound.LinkError(LinkError.Unavailable));
leaf.Disconnect();
return;
}
leaf.Name = item.Name;
leaf.Guid = item.Guid;
if (leaf.Protocol < Settings.LINK_PROTO)
{
leaf.SendPacket(HubOutbound.LinkError(LinkError.ExpiredProtocol));
leaf.Disconnect();
return;
}
leaf.LoginPhase = LinkLogin.AwaitingUserlist;
leaf.Key = Crypto.CreateKey;
leaf.IV = Crypto.CreateIV;
leaf.SendPacket(HubOutbound.HubAck(leaf));
}
