void Session_Data(RudpSession session, byte[] data)
{
IMStatus status = OpenStatus(session.UserID);
G2Header root = new G2Header(data);
if (G2Protocol.ReadPacket(root))
{
if (root.Name == IMPacket.Message)
{
MessageData message = MessageData.Decode(root);
if (message.TargetID != 0)
{
Debug.Assert(session.UserID == Core.UserID);
if (session.UserID != Core.UserID)
{
return;
}
status = OpenStatus(message.TargetID);
}
ProcessMessage(status, new InstantMessage(Core, session, message));
}
if (root.Name == IMPacket.Alive)
{
status.SetTTL(session.ClientID, SessionTimeout * 2);
}
}
}
public void Store_Local(DataReq store)
{
// getting published to - search results - patch
SignedData signed = SignedData.Decode(store.Data);
if (signed == null)
{
return;
}
G2Header embedded = new G2Header(signed.Data);
// figure out data contained
if (G2Protocol.ReadPacket(embedded))
{
if (embedded.Name == LocationPacket.Data)
{
LocationData location = LocationData.Decode(signed.Data);
if (Utilities.CheckSignedData(location.Key, signed.Data, signed.Signature))
{
Process_LocationData(store, signed, location);
}
else
{
Debug.Assert(false);
}
}
}
}
void Session_Data(RudpSession session, byte[] data)
{
G2Header root = new G2Header(data);
if (G2Protocol.ReadPacket(root))
{
switch (root.Name)
{
case ChatPacket.Data:
ReceiveMessage(ChatText.Decode(root), session);
break;
case ChatPacket.Status:
ReceiveStatus(ChatStatus.Decode(root), session);
break;
case ChatPacket.Invite:
ReceiveInvite(ChatInvite.Decode(root), session);
break;
case ChatPacket.Who:
ReceiveWho(ChatWho.Decode(root), session);
break;
}
}
}
private void Receive_Patch(DhtAddress source, byte[] data)
{
// invoke patch
G2Header root = new G2Header(data);
if (G2Protocol.ReadPacket(root))
{
if (root.Name == StorePacket.Patch)
{
PatchPacket packet = PatchPacket.Decode(root);
if (packet == null)
{
return;
}
foreach (PatchTag patch in packet.PatchData)
{
if (PatchEvent.Contains(patch.Service, patch.DataType))
{
PatchEvent[patch.Service, patch.DataType].Invoke(source, patch.Tag);
}
}
}
}
}
public static TempData Decode(ulong target, byte[] data)
{
G2Header root = new G2Header(data);
G2Protocol.ReadPacket(root);
if (root.Name != TempPacket.Data)
{
return(null);
}
TempData temp = new TempData(target);
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_TTL:
temp.TTL = CompactNum.ToInt32(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Data:
temp.Data = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
}
}
return(temp);
}
public static ServiceData Decode(byte[] data)
{
G2Header root = new G2Header(data);
G2Protocol.ReadPacket(root);
if (root.Name != LocationPacket.Data)
{
return(null);
}
ServiceData packet = new ServiceData();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_Date:
packet.Date = DateTime.FromBinary(BitConverter.ToInt64(child.Data, child.PayloadPos));
break;
case Packet_Tag:
packet.Tags.Add(PatchTag.FromBytes(child.Data, child.PayloadPos, child.PayloadSize));
break;
}
}
return(packet);
}
public void ReceiveTunnelPacket(G2ReceivedPacket raw, TunnelPacket tunnel)
{
if (Core.InvokeRequired) // called from lookup core's thread
{
Core.RunInCoreAsync(delegate() { ReceiveTunnelPacket(raw, tunnel); });
return;
}
Debug.Assert(!IsLookup);
if (IsLookup)
{
return;
}
// decrypt public packet
if (Core.Sim == null || Core.Sim.Internet.TestEncryption) // turn off encryption during simulation
{
if (tunnel.Payload.Length < 16)
{
throw new Exception("Not enough data received for IV");
}
tunnel.Payload = Utilities.DecryptBytes(tunnel.Payload, tunnel.Payload.Length, LocalAugmentedKey);
}
G2ReceivedPacket opPacket = new G2ReceivedPacket();
opPacket.Root = new G2Header(tunnel.Payload);
// set source information
if (G2Protocol.ReadPacket(opPacket.Root))
{
opPacket.Source = new DhtAddress();
// used to add direct op contact if source firewall is open
// or re-routing through same lookup proxy
opPacket.Source.IP = raw.Source.IP;
opPacket.Source.UdpPort = raw.Source.UdpPort;
// op user/client set by net/comm processing
opPacket.Source.TunnelClient = tunnel.Source;
opPacket.Source.TunnelServer = tunnel.SourceServer;
PacketLogEntry logEntry = new PacketLogEntry(Core.TimeNow, TransportProtocol.Tunnel, DirectionType.In, opPacket.Source, opPacket.Root.Data);
LogPacket(logEntry);
IncomingPacket(opPacket);
}
}
void Comm_ReceiveData(DhtClient client, byte[] data)
{
G2Header root = new G2Header(data);
if (G2Protocol.ReadPacket(root))
{
switch (root.Name)
{
case VoicePacket.Audio:
ReceiveAudio(AudioPacket.Decode(root), client);
break;
}
}
}
public static SignedData Decode(byte[] data)
{
G2Header root = new G2Header(data);
if (!G2Protocol.ReadPacket(root))
{
return(null);
}
if (root.Name != DataPacket.SignedData)
{
return(null);
}
return(SignedData.Decode(root));
}
public static FileDetails Decode(byte[] data)
{
G2Header root = new G2Header(data);
if (!G2Protocol.ReadPacket(root))
{
return(null);
}
if (root.Name != TransferPacket.Params)
{
return(null);
}
return(FileDetails.Decode(root));
}
public static VersionedFileHeader Decode(byte[] data)
{
G2Header root = new G2Header(data);
if (!G2Protocol.ReadPacket(root))
{
return(null);
}
if (root.Name != DataPacket.VersionedFile)
{
return(null);
}
return(VersionedFileHeader.Decode(root));
}
public void UnreliableReceive(byte[] data)
{
byte[] decrypted = Utilities.DecryptBytes(data, data.Length, InboundEnc.Key);
G2ReceivedPacket packet = new G2ReceivedPacket();
packet.Root = new G2Header(decrypted);
if (G2Protocol.ReadPacket(packet.Root))
{
PacketLogEntry logEntry = new PacketLogEntry(Core.TimeNow, TransportProtocol.Rudp, DirectionType.In, Comm.PrimaryAddress.Address, decrypted);
Core.Network.LogPacket(logEntry);
ReceivePacket(packet);
}
}
public static PlanBlock Decode(byte[] data)
{
G2Header root = new G2Header(data);
if (!G2Protocol.ReadPacket(root))
{
return(null);
}
if (root.Name != PlanPacket.Block)
{
return(null);
}
return(PlanBlock.Decode(root));
}
public static StorageFile Decode(byte[] data)
{
G2Header root = new G2Header(data);
if (!G2Protocol.ReadPacket(root))
{
return(null);
}
if (root.Name != StoragePacket.File)
{
return(null);
}
return(StorageFile.Decode(root));
}
void LightComm_ReceiveData(DhtClient client, byte[] data)
{
G2Header root = new G2Header(data);
if (G2Protocol.ReadPacket(root))
{
if (root.Name == LocationPacket.Ping)
{
Receive_Ping(client, LocationPing.Decode(root));
}
if (root.Name == LocationPacket.Notify)
{
Receive_Notify(client, LocationNotify.Decode(root));
}
}
}
void Session_Data(RudpSession session, byte[] data)
{
G2Header root = new G2Header(data);
if (G2Protocol.ReadPacket(root))
{
switch (root.Name)
{
case SharePacket.PublicRequest:
ReceivePublicRequest(session);
break;
case SharePacket.Collection:
ReceivePublicDetails(session, ShareCollection.Decode(root, session.UserID));
break;
}
}
}
void ParsePacket(byte[] buff, int length, IPEndPoint sender, bool copied)
{
G2ReceivedPacket packet = new G2ReceivedPacket();
packet.Root = new G2Header(buff);
if (G2Protocol.ReadPacket(packet.Root))
{
packet.Source = new DhtContact(0, 0, sender.Address, 0, 0);
byte[] packetData = copied ? buff : Utilities.ExtractBytes(packet.Root.Data, packet.Root.PacketPos, packet.Root.PacketSize);
PacketLogEntry logEntry = new PacketLogEntry(Core.TimeNow, TransportProtocol.LAN, DirectionType.In, packet.Source, packetData);
Network.LogPacket(logEntry);
Network.IncomingPacket(packet);
}
}
G2ReceivedPacket LastPacket; //crit delete
void ReceivePackets()
{
int Start = 0;
G2ReadResult streamStatus = G2ReadResult.PACKET_GOOD;
while (streamStatus == G2ReadResult.PACKET_GOOD)
{
G2ReceivedPacket packet = new G2ReceivedPacket();
packet.Root = new G2Header(FinalRecvBuffer);
streamStatus = G2Protocol.ReadNextPacket(packet.Root, ref Start, ref FinalRecvBuffSize);
if (streamStatus != G2ReadResult.PACKET_GOOD)
{
break;
}
packet.Tcp = this;
packet.Source = new DhtContact(this, RemoteIP);
// extract data from final recv buffer so it can be referenced without being overwritten by this thread
byte[] extracted = Utilities.ExtractBytes(packet.Root.Data, packet.Root.PacketPos, packet.Root.PacketSize);
packet.Root = new G2Header(extracted);
G2Protocol.ReadPacket(packet.Root);
LastPacket = packet;
PacketLogEntry logEntry = new PacketLogEntry(Core.TimeNow, TransportProtocol.Tcp, DirectionType.In, packet.Source, packet.Root.Data);
Network.LogPacket(logEntry);
Network.IncomingPacket(packet);
}
// re-align buffer
if (Start > 0 && FinalRecvBuffSize > 0)
{
Buffer.BlockCopy(FinalRecvBuffer, Start, FinalRecvBuffer, 0, FinalRecvBuffSize);
//Network.UpdateConsole(PacketBytesReady.ToString() + " bytes moved to front of receive buffer");
}
}
void Store_Local(DataReq store)
{
// getting published to - search results - patch
SignedData signed = SignedData.Decode(store.Data);
if (signed == null)
{
return;
}
G2Header embedded = new G2Header(signed.Data);
// figure out data contained
if (G2Protocol.ReadPacket(embedded))
{
if (embedded.Name == DataPacket.VersionedFile)
{
Process_VersionedFile(store, signed, VersionedFileHeader.Decode(signed.Data));
}
}
}
void Search_Found(DhtSearch search, DhtAddress source, byte[] data)
{
G2Header root = new G2Header(data);
if (!G2Protocol.ReadPacket(root))
{
return;
}
UpdateInfo info = UpdateInfo.Decode(root); // verifies signature
if (info == null)
{
return;
}
if (Core.Context.SignedUpdate == null || Core.Context.SignedUpdate.SequentialVersion < info.SequentialVersion)
{
Core.Context.SignedUpdate = info;
LookupConfig.WriteUpdateInfo(Core);
}
// version less than what we have
else if (Core.Context.SignedUpdate.SequentialVersion > info.SequentialVersion)
{
return;
}
// version remote has already loaded
if (Core.Context.SignedUpdate.Loaded)
{
return;
}
// same sources will be hit as file download search progresses
StartDownload(search.TargetID);
}
public void ReceivePacket(G2ReceivedPacket packet)
{
// Network packet
if (packet.Root.Name == RootPacket.Network)
{
NetworkPacket netPacket = NetworkPacket.Decode(packet.Root);
G2ReceivedPacket embedded = new G2ReceivedPacket();
embedded.Tcp = packet.Tcp;
embedded.Source = packet.Source;
embedded.Source.UserID = netPacket.SourceID;
embedded.Source.ClientID = netPacket.ClientID;
embedded.Root = new G2Header(netPacket.InternalData);
// from - received from proxy server
if (netPacket.FromAddress != null)
{
if (packet.ReceivedUdp)
{
throw new Exception("From tag set on packet received udp");
}
if (packet.Tcp.Proxy != ProxyType.Server)
{
throw new Exception("From tag (" + netPacket.FromAddress.ToString() + ") set on packet not received from server (" + packet.Tcp.ToString() + ")");
}
embedded.Source = new DhtContact(netPacket.FromAddress);
}
// to - received from proxied node, and not for us
if (netPacket.ToAddress != null &&
!(netPacket.ToAddress.UserID == Local.UserID && netPacket.ToAddress.ClientID == Local.ClientID))
{
if (packet.ReceivedUdp)
{
throw new Exception("To tag set on packet received udp");
}
if (packet.Tcp.Proxy == ProxyType.Server || packet.Tcp.Proxy == ProxyType.Unset)
{
throw new Exception("To tag set on packet received from server");
}
DhtAddress address = netPacket.ToAddress;
netPacket.ToAddress = null;
TcpConnect direct = TcpControl.GetProxy(address);
if (direct != null)
{
direct.SendPacket(netPacket);
}
else
{
UdpControl.SendTo(address, netPacket);
}
return;
}
// process
if (G2Protocol.ReadPacket(embedded.Root))
{
ReceiveNetworkPacket(embedded);
}
}
// Tunnel Packet
else if (packet.Root.Name == RootPacket.Tunnel)
{
// can only tunnel over lookup network
if (!IsLookup)
{
return;
}
PacketLogEntry logEntry = new PacketLogEntry(Core.TimeNow, TransportProtocol.Tunnel, DirectionType.In, packet.Source, packet.Root.Data);
LogPacket(logEntry);
TunnelPacket tunnel = TunnelPacket.Decode(packet.Root);
// handle locally
if (tunnel.Target.Equals(Local))
{
Core.Context.Cores.LockReading(delegate()
{
foreach (OpCore core in Core.Context.Cores)
{
if (core.TunnelID == tunnel.Target.TunnelID)
{
core.Network.ReceiveTunnelPacket(packet, tunnel);
}
}
});
}
else if (tunnel.TargetServer != null)
{
TcpConnect direct = TcpControl.GetProxy(tunnel.Target);
// if directly connected add from and forwared
if (direct != null)
{
direct.SendPacket(tunnel);
}
// only forward udp if received over tcp from a proxied host
else if (tunnel.TargetServer != null && packet.ReceivedTcp && packet.Tcp.Proxy != ProxyType.Server)
{
UdpControl.SendTo(tunnel.TargetServer, tunnel);
}
}
}
// Communication Packet
else if (packet.Root.Name == RootPacket.Comm)
{
RudpPacket commPacket = RudpPacket.Decode(packet);
// received direct
packet.Source.UserID = commPacket.SenderID;
packet.Source.ClientID = commPacket.SenderClient;
// remote node is proxied
if (commPacket.RemoteProxy != null)
{
packet.Source = new DhtContact(commPacket.RemoteProxy);
}
// For local host
if (commPacket.TargetID == Local.UserID && commPacket.TargetClient == Local.ClientID)
{
ReceiveCommPacket(packet, commPacket);
return;
}
// Also Forward to appropriate node
TcpConnect socket = TcpControl.GetProxy(commPacket.TargetID, commPacket.TargetClient);
if (socket != null)
{
// forward to proxied node - strip TO flag, add from address
commPacket.ToAddress = null;
commPacket.RemoteProxy = packet.Source; // if remote proxy is null, then we are setting this to the packet's original source
socket.SendPacket(commPacket);
return;
}
// received from a proxied node, forward udp
if (packet.ReceivedTcp && commPacket.ToAddress != null)
{
DhtAddress target = commPacket.ToAddress;
commPacket.ToAddress = null; // strip TO flag
commPacket.RemoteProxy = new DhtAddress(Core.LocalIP, GetLocalSource());
UdpControl.SendTo(target, commPacket);
}
}
}
private void ListViewPackets_Click(object sender, System.EventArgs e)
{
if (ListViewPackets.SelectedItems.Count == 0)
{
return;
}
PacketListViewItem selected = (PacketListViewItem)ListViewPackets.SelectedItems[0];
// build tree
TreeViewPacket.Nodes.Clear();
G2Header root = new G2Header(selected.LogEntry.Data);
if (G2Protocol.ReadPacket(root))
{
if (selected.LogEntry.Protocol == TransportProtocol.Rudp)
{
string name = root.Name.ToString() + " : " + GetVariableName(typeof(CommPacket), root.Name);
TreeNode rootNode = TreeViewPacket.Nodes.Add(name);
if (G2Protocol.ReadPayload(root))
{
rootNode.Nodes.Add(new DataNode(root.Data, root.PayloadPos, root.PayloadSize));
}
G2Protocol.ResetPacket(root);
// get type
Type packetType = null;
switch (root.Name)
{
case CommPacket.SessionRequest:
packetType = typeof(SessionRequest);
break;
case CommPacket.SessionAck:
packetType = typeof(SessionAck);
break;
case CommPacket.KeyRequest:
packetType = typeof(KeyRequest);
break;
case CommPacket.KeyAck:
packetType = typeof(KeyAck);
break;
case CommPacket.Data:
packetType = typeof(CommData);
break;
case CommPacket.Close:
packetType = typeof(CommClose);
break;
}
ReadChildren(root, rootNode, packetType);
}
else
{
string name = root.Name.ToString() + " : " + GetVariableName(typeof(RootPacket), root.Name);
TreeNode rootNode = TreeViewPacket.Nodes.Add(name);
DataNode payloadNode = null;
if (G2Protocol.ReadPayload(root))
{
payloadNode = new DataNode(root.Data, root.PayloadPos, root.PayloadSize);
rootNode.Nodes.Add(payloadNode);
}
G2Protocol.ResetPacket(root);
if (root.Name == RootPacket.Comm)
{
ReadChildren(root, rootNode, typeof(RudpPacket));
}
if (root.Name == RootPacket.Tunnel)
{
ReadChildren(root, rootNode, typeof(RudpPacket));
}
if (root.Name == RootPacket.Network)
{
ReadChildren(root, rootNode, typeof(NetworkPacket));
G2Header payloadRoot = new G2Header(payloadNode.Data);
if (payloadNode.Data != null && G2Protocol.ReadPacket(payloadRoot))
{
name = payloadRoot.Name.ToString() + " : " + GetVariableName(typeof(NetworkPacket), payloadRoot.Name);
TreeNode netNode = payloadNode.Nodes.Add(name);
if (G2Protocol.ReadPayload(payloadRoot))
{
netNode.Nodes.Add(new DataNode(payloadRoot.Data, payloadRoot.PayloadPos, payloadRoot.PayloadSize));
}
G2Protocol.ResetPacket(payloadRoot);
Type packetType = null;
switch (payloadRoot.Name)
{
case NetworkPacket.SearchRequest:
packetType = typeof(SearchReq);
break;
case NetworkPacket.SearchAck:
packetType = typeof(SearchAck);
break;
case NetworkPacket.StoreRequest:
packetType = typeof(StoreReq);
break;
case NetworkPacket.Ping:
packetType = typeof(Ping);
break;
case NetworkPacket.Pong:
packetType = typeof(Pong);
break;
case NetworkPacket.Bye:
packetType = typeof(Bye);
break;
case NetworkPacket.ProxyRequest:
packetType = typeof(ProxyReq);
break;
case NetworkPacket.ProxyAck:
packetType = typeof(ProxyAck);
break;
case NetworkPacket.CrawlRequest:
packetType = typeof(CrawlRequest);
break;
case NetworkPacket.CrawlAck:
packetType = typeof(CrawlAck);
break;
}
ReadChildren(payloadRoot, netNode, packetType);
}
}
}
}
/*G2Header rootPacket = new G2Header(selected.LogEntry.Data);
*
* int start = 0;
* int size = selected.LogEntry.Data.Length;
* if(G2ReadResult.PACKET_GOOD == Protocol.ReadNextPacket(rootPacket, ref start, ref size) )
* {
* TreeNode rootNode = TreeViewPacket.Nodes.Add( TrimName(rootPacket.Name.ToString()) );
*
* if(G2Protocol.ReadPayload(rootPacket))
* {
* //rootNode.Nodes.Add( Utilities.BytestoAscii(rootPacket.Data, rootPacket.PayloadPos, rootPacket.PayloadSize));
* rootNode.Nodes.Add( Utilities.BytestoHex(rootPacket.Data, rootPacket.PayloadPos, rootPacket.PayloadSize, true));
* }
*
* G2Protocol.ResetPacket(rootPacket);
*
* ReadChildren(rootPacket, rootNode, null);
* }*/
TreeViewPacket.ExpandAll();
}
public ListViewItem PackettoItem(PacketLogEntry logEntry)
{
// hash, protocol, direction, address, type, size
string hash = Utilities.BytestoHex(sha.ComputeHash(logEntry.Data), 0, 2, false);
string protocol = logEntry.Protocol.ToString();
// Network - Search / Search Req / Store ... - Component
// Comm - Data / Ack / Syn
// Rudp - Type - Component
string name = "?";
G2Header root = new G2Header(logEntry.Data);
if (G2Protocol.ReadPacket(root))
{
if (logEntry.Protocol == TransportProtocol.Rudp)
{
name = TransportProtocol.Rudp.ToString() + " - ";
name += GetVariableName(typeof(CommPacket), root.Name);
if (root.Name == CommPacket.Data)
{
CommData data = CommData.Decode(root);
name += " - " + Network.Core.GetServiceName(data.Service);
}
}
else
{
name = GetVariableName(typeof(RootPacket), root.Name) + " - ";
if (root.Name == RootPacket.Comm)
{
RudpPacket commPacket = RudpPacket.Decode(root);
name += GetVariableName(typeof(RudpPacketType), commPacket.PacketType);
}
if (root.Name == RootPacket.Network)
{
NetworkPacket netPacket = NetworkPacket.Decode(root);
G2Header internalRoot = new G2Header(netPacket.InternalData);
if (G2Protocol.ReadPacket(internalRoot))
{
name += GetVariableName(typeof(NetworkPacket), internalRoot.Name);
uint id = 0;
G2ReceivedPacket wrap = new G2ReceivedPacket();
wrap.Root = internalRoot;
// search request / search acks / stores have component types
if (internalRoot.Name == NetworkPacket.SearchRequest)
{
SearchReq req = SearchReq.Decode(wrap);
id = req.Service;
}
if (internalRoot.Name == NetworkPacket.SearchAck)
{
SearchAck ack = SearchAck.Decode(wrap);
id = ack.Service;
}
if (internalRoot.Name == NetworkPacket.StoreRequest)
{
StoreReq store = StoreReq.Decode(wrap);
id = store.Service;
}
if (id != 0)
{
name += " - " + Network.Core.GetServiceName(id); // GetVariableName(typeof(ServiceID), id);
}
}
}
}
}
string time = logEntry.Time.ToString("HH:mm:ss:ff");
string address = (logEntry.Address == null) ? "Broadcast" : logEntry.Address.ToString();
return(new PacketListViewItem(logEntry, new string[] { time, protocol, address, name, logEntry.Data.Length.ToString(), hash }, logEntry.Direction == DirectionType.In));
}
public static LocationData Decode(byte[] data)
{
G2Header root = new G2Header(data);
G2Protocol.ReadPacket(root);
if (root.Name != LocationPacket.Data)
{
return(null);
}
LocationData loc = new LocationData();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_Key:
loc.Key = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
loc.UserID = Utilities.KeytoID(loc.Key);
break;
case Packet_Source:
loc.Source = DhtSource.ReadPacket(child);
loc.UserID = loc.Source.UserID; // encode light doesnt send full key
break;
case Packet_IP:
loc.IP = new IPAddress(Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize));
break;
case Packet_Proxies:
loc.Proxies.Add(DhtAddress.ReadPacket(child));
break;
case Packet_Name:
loc.Name = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Place:
loc.Place = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Version:
loc.Version = CompactNum.ToUInt32(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_GMTOffset:
loc.GmtOffset = BitConverter.ToInt32(child.Data, child.PayloadPos);
break;
case Packet_Away:
loc.Away = BitConverter.ToBoolean(child.Data, child.PayloadPos);
break;
case Packet_AwayMsg:
loc.AwayMessage = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Tag:
loc.Tags.Add(PatchTag.FromBytes(child.Data, child.PayloadPos, child.PayloadSize));
break;
case Packet_TunnelClient:
loc.TunnelClient = TunnelAddress.FromBytes(child.Data, child.PayloadPos);
break;
case Packet_TunnelServers:
loc.TunnelServers.Add(DhtAddress.ReadPacket(child));
break;
}
}
return(loc);
}
public static UpdateInfo Decode(G2Header root)
{
// embedded public key of source we allow updates from
RSACryptoServiceProvider UpdateSourcePublicKey = new RSACryptoServiceProvider();
//UpdateSourcePublicKey.FromXmlString("<RSAKeyValue><Modulus>pTmHLSxyM9TDOM4tZzI5dld9JvPsHlHC/M5i0+Qtjid1DiefGAVubPToEhK9Im4Ohy37h5Ax6J3vt2pxLG4rnIDuKBJt70YH6W6XrJewQ6tid5BvVnNEzPUOIJHGMpOnyi0VjPpzZzWgp4JK6Yuh6LtsYwCyqIIJIBt9iQ/9XN0=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>");
UpdateInfo info = new UpdateInfo();
if (G2Protocol.ReadPayload(root))
{
info.Embedded = Utilities.ExtractBytes(root.Data, root.PayloadPos, root.PayloadSize);
}
G2Protocol.ResetPacket(root);
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (G2Protocol.ReadPayload(child))
{
if (child.Name == Packet_Signature)
{
info.Signature = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
}
}
}
// verify signature
byte[] pubKey = UpdateSourcePublicKey.ExportParameters(false).Modulus;
if (!Utilities.CheckSignedData(pubKey, info.Embedded, info.Signature))
{
return(null);
}
root = new G2Header(info.Embedded);
if (!G2Protocol.ReadPacket(root))
{
return(null);
}
child = new G2Header(info.Embedded);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_Name:
info.Name = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Key:
info.Key = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Size:
info.Size = CompactNum.ToInt64(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Hash:
info.Hash = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Notes:
info.Notes = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Beginning:
info.Beginning = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_DottedVersion:
info.DottedVersion = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_SequentialVersion:
info.SequentialVersion = CompactNum.ToUInt32(child.Data, child.PayloadPos, child.PayloadSize);
break;
}
}
info.TempName = Utilities.ToBase64String(info.Hash);
return(info);
}
private void DrawGroup(Graphics buffer, Dictionary <ulong, Dictionary <ulong, PacketGroup> > TrafficGroup, bool tcp)
{
foreach (Dictionary <ulong, PacketGroup> destination in TrafficGroup.Values)
{
foreach (PacketGroup group in destination.Values)
{
if (!NodePoints.ContainsKey(group.SourceID) || !NodePoints.ContainsKey(group.DestID))
{
continue;
}
group.SetPoints(NodePoints[group.SourceID], NodePoints[group.DestID]);
TrafficPen.Width = 1;
group.LineSize = 200 + 20;
if (group.TotalSize > 200)
{
TrafficPen.Width = 2;
group.LineSize = 1000 + 100;
}
if (group.TotalSize > 1000)
{
TrafficPen.Width = 3;
group.LineSize = group.TotalSize + 500;
}
// calc break size
double breakSize = (group.LineSize - group.TotalSize) / (group.Packets.Count + 1);
double pos = breakSize;
Color bgColor = Color.WhiteSmoke;
//if (SelectedID != 0)
// bgColor = group.SourceID == SelectedID ? Color.LightCoral : Color.LightBlue;
//else
// bgColor = tcp ? Color.LightBlue : Color.WhiteSmoke;
TrafficPen.Color = bgColor;
buffer.DrawLine(TrafficPen, group.GetPoint(0), group.GetPoint(pos));
foreach (byte[] packet in group.Packets)
{
if (Sim.TestEncryption || Sim.TestTcpFullBuffer)
{
TrafficPen.Color = Legend.PicUnk.BackColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos), group.GetPoint(pos + packet.Length));
}
else
{
G2Header root = new G2Header(packet);
G2Protocol.ReadPacket(root);
double controlLen = (root.InternalPos > 0) ? root.InternalPos - root.PacketPos : packet.Length;
// net packet
if (root.Name == RootPacket.Network)
{
TrafficPen.Color = Legend.PicNet.BackColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos), group.GetPoint(pos + controlLen));
NetworkPacket netPacket = NetworkPacket.Decode(root);
G2Header internalRoot = new G2Header(netPacket.InternalData);
G2Protocol.ReadPacket(internalRoot);
G2ReceivedPacket recvedPacket = new G2ReceivedPacket();
recvedPacket.Root = internalRoot;
// draw internal
TrafficPen.Color = Legend.PicUnk.BackColor;
if (internalRoot.Name == NetworkPacket.SearchRequest)
{
SearchReq req = SearchReq.Decode(recvedPacket);
int paramLen = req.Parameters == null ? 10 : req.Parameters.Length;
TrafficPen.Color = Legend.PicSrchReq.BackColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen), group.GetPoint(pos + controlLen + internalRoot.PacketSize - paramLen));
TrafficPen.Color = GetComponentColor(req.Service);
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen + internalRoot.PacketSize - paramLen), group.GetPoint(pos + controlLen + internalRoot.PacketSize));
}
else if (internalRoot.Name == NetworkPacket.SearchAck)
{
SearchAck ack = SearchAck.Decode(recvedPacket);
int valLen = 10;
if (ack.ValueList.Count > 0)
{
valLen = 0;
foreach (byte[] val in ack.ValueList)
{
valLen += val.Length;
}
}
TrafficPen.Color = Legend.PicSrchAck.BackColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen), group.GetPoint(pos + controlLen + internalRoot.PacketSize - valLen));
TrafficPen.Color = GetComponentColor(ack.Service);
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen + internalRoot.PacketSize - valLen), group.GetPoint(pos + controlLen + internalRoot.PacketSize));
}
else if (internalRoot.Name == NetworkPacket.StoreRequest)
{
StoreReq req = StoreReq.Decode(recvedPacket);
int dataLen = req.Data == null ? 10 : req.Data.Length;
TrafficPen.Color = Legend.PicStore.BackColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen), group.GetPoint(pos + controlLen + internalRoot.PacketSize - dataLen));
TrafficPen.Color = GetComponentColor(req.Service);
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen + internalRoot.PacketSize - dataLen), group.GetPoint(pos + controlLen + internalRoot.PacketSize));
}
else
{
if (internalRoot.Name == NetworkPacket.Ping)
{
TrafficPen.Color = Legend.PicPing.BackColor;
}
else if (internalRoot.Name == NetworkPacket.Pong)
{
TrafficPen.Color = Legend.PicPong.BackColor;
}
else if (internalRoot.Name == NetworkPacket.ProxyRequest)
{
TrafficPen.Color = Legend.PicPxyReq.BackColor;
}
else if (internalRoot.Name == NetworkPacket.ProxyAck)
{
TrafficPen.Color = Legend.PicPxyAck.BackColor;
}
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen), group.GetPoint(pos + packet.Length));
}
}
// comm packet
if (root.Name == RootPacket.Comm)
{
TrafficPen.Color = Legend.PicComm.BackColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos), group.GetPoint(pos + controlLen));
TrafficPen.Color = Legend.PicUnk.BackColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos + controlLen), group.GetPoint(pos + packet.Length));
}
}
if (SelectedID != 0)
{
buffer.DrawString(group.TotalSize.ToString(), TahomaFont, BlackBrush, group.GetPoint(group.LineSize / 4));
}
pos += packet.Length;
TrafficPen.Color = bgColor;
buffer.DrawLine(TrafficPen, group.GetPoint(pos), group.GetPoint(pos + breakSize));
pos += breakSize;
}
}
}
}
public void LoadHeaders()
{
List <string> goodPaths = new List <string>();
try
{
goodPaths.Add(HeaderPath);
if (!File.Exists(HeaderPath))
{
return;
}
using (IVCryptoStream crypto = IVCryptoStream.Load(HeaderPath, LocalKey))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
{
if (root.Name == DataPacket.SignedData)
{
SignedData signed = SignedData.Decode(root);
G2Header embedded = new G2Header(signed.Data);
// figure out data contained
if (G2Protocol.ReadPacket(embedded))
{
if (embedded.Name == DataPacket.VersionedFile)
{
VersionedFileHeader header = VersionedFileHeader.Decode(embedded);
if (header.FileHash != null)
{
goodPaths.Add(GetFilePath(header));
}
Process_VersionedFile(null, signed, header);
}
}
}
}
}
// remove loose files
foreach (string testPath in Directory.GetFiles(CachePath))
{
if (!goodPaths.Contains(testPath))
{
try { File.Delete(testPath); }
catch { }
}
}
}
catch (Exception ex)
{
Core.Network.UpdateLog("VersionedFile", "Error loading data " + ex.Message);
}
}
