private void on_btnAdd_clicked(object sender, EventArgs e)
{
try {
PublicKey result = PublicKey.Parse(txtPublicKey.Buffer.Text);
if (Common.SHA512Str(result.Key) == Core.MyNodeID)
throw new Exception("Cannot add your own key!");
tni = new TrustedNodeInfo(result);
EditFriendDialog w = new EditFriendDialog (base.Dialog, ref tni);
int editResult = w.Run ();
if (editResult == (int)ResponseType.Ok) {
base.Dialog.Respond(ResponseType.Ok);
} else {
base.Dialog.Respond(ResponseType.Cancel);
}
base.Dialog.Destroy();
}
catch (Exception ex) {
Gui.ShowMessageDialog(String.Format("Invalid public key: {0}", ex.Message),
base.Dialog, Gtk.MessageType.Error, ButtonsType.Ok);
base.Dialog.Respond(ResponseType.None);
return;
}
}
public bool Verify()
{
TrustedNodeInfo remoteNode = network.TrustedNodes[this.node.NodeID];
byte[] buf = System.Text.Encoding.UTF8.GetBytes(CreateSignString());
return(remoteNode.Crypto.VerifyData(buf, new SHA1CryptoServiceProvider(), signature));
}
private void ConnectIfNeeded()
{
int totalConnections = network.LocalConnections.Length;
if (totalConnections < connectionCount)
{
for (int x = 0; x < (connectionCount - totalConnections); x++)
{
if (nodeList.Count != 0)
{
TrustedNodeInfo node = (TrustedNodeInfo)GetNode();
try {
IDestination destination = node.FirstConnectableDestination;
if (destination != null)
{
ITransport transport = destination.CreateTransport(ConnectionType.NodeConnection);
network.ConnectTo(transport);
}
} catch (Exception ex) {
Core.LoggingService.LogError("AutoconnectManager: Error while trying to connect", ex);
}
}
else
{
// Nothing left, I give up! :(
network.ConnectingTo -= connectingToHandler;
network.NewIncomingConnection -= incomingConnectionHandler;
Core.LoggingService.LogDebug("AutoconnectManager: Nothing left to connect to.");
return;
}
}
}
}
private bool IsGoodNode(TrustedNodeInfo node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
return(node.AllowConnect && node.AllowAutoConnect &&
node.FirstConnectableDestination != null);
}
public Message CreateAuthMessage(INodeConnection connection, TrustedNodeInfo messageTo)
{
Message p = new Message(network, MessageType.Auth);
p.To = messageTo.NodeID;
AuthInfo c = new AuthInfo();
c.ProtocolVersion = Core.ProtocolVersion;
c.NetworkName = network.NetworkName;
c.NickName = network.LocalNode.NickName;
p.Content = c;
return p;
}
private void OnConnectionReady(LocalNodeConnection connection)
{
TrustedNodeInfo tnode = connection.NodeRemote.GetTrustedNode();
lock (nodeList) {
if (nodeList.Contains(tnode))
{
nodeList.Remove(tnode);
nodeList.Sort(new NodeSuccessComparer());
}
}
}
public Message CreateAuthMessage(INodeConnection connection, TrustedNodeInfo messageTo)
{
Message p = new Message(network, MessageType.Auth);
p.To = messageTo.NodeID;
AuthInfo c = new AuthInfo();
c.ProtocolVersion = Core.ProtocolVersion;
c.NetworkName = network.NetworkName;
c.NickName = network.LocalNode.NickName;
p.Content = c;
return(p);
}
internal void ProcessMyKeyMessage(Node node, KeyInfo key)
{
bool acceptKey = network.RaiseReceivedKey(node, key);
if (acceptKey)
{
TrustedNodeInfo tni = new TrustedNodeInfo();
tni.Identifier = node.NickName;
tni.PublicKey = new PublicKey(key.Key);
network.AddTrustedNode(tni);
Core.Settings.SyncNetworkInfoAndSave();
}
}
public PrivateChatSubpage(Network network, Node node)
: base()
{
this.node = node;
this.network = network;
this.trustedNodeInfo = network.TrustedNodes[node.NodeID];
if (trustedNodeInfo == null) {
throw new Exception("Cannot have a private conversation with an untrusted node.");
}
base.userList.Parent.Visible = false;
base.SendMessage += base_SendMessage;
AddToChat(null, String.Format("Now talking with {0} ({1}).", trustedNodeInfo.Identifier, Common.FormatFingerprint(trustedNodeInfo.NodeID)));
AddToChat(null, "This conversation is secure.");
}
public EditFriendDialog(Window parentWindow, ref TrustedNodeInfo tni)
: base(parentWindow, "EditFriendDialog")
{
if (tni.Identifier != "") {
nameLabel.Markup = "<b>" + tni.Identifier + "</b>";
} else {
nameLabel.Markup = "<b>[Unknown Nickname]</b>";
tni.Identifier = tni.NodeID;
}
nodeIdLabel.Markup = "<span font=\"monospace\">" + Common.FormatFingerprint(tni.NodeID, 8) + "</span>";
chkAllowProfile.Active = tni.AllowProfile;
chkAllowNetworkInfo.Active = tni.AllowNetworkInfo;
chkAllowSharedFiles.Active = tni.AllowSharedFiles;
chkAllowConnect.Active = tni.AllowConnect;
TreeViewColumn column;
column = connectionsTreeView.AppendColumn("Protocol", new CellRendererText(), "text", 0);
column = connectionsTreeView.AppendColumn("Address Details", new CellRendererText(), "text", 1);
column.Expand = true;
connectionsTreeView.AppendColumn("Supported", new CellRendererText(), "text", 2);
connectionsTreeView.AppendColumn("Connectable", new CellRendererText(), "text", 3);
ListStore addressListStore = new ListStore(typeof(string), typeof(string), typeof(string), typeof(string));
foreach (IDestination destination in tni.Destinations) {
addressListStore.AppendValues(destination.FriendlyTypeName, destination.ToString(), "True", destination.CanConnect.ToString());
}
foreach (DestinationInfo info in tni.DestinationInfos) {
if (!info.Supported) {
addressListStore.AppendValues(info.FriendlyName, String.Join(", ", info.Data), "False", "False");
}
}
connectionsTreeView.Model = addressListStore;
keyTextView.Buffer.Text = tni.PublicKey.ToArmoredString();
this.tni = tni;
}
internal void ProcessMyInfoMessage(Node currentNode, NodeInfo nodeInfo)
{
string oldNick = currentNode.NickName;
currentNode.Bytes = nodeInfo.Bytes;
currentNode.ClientName = nodeInfo.ClientName;
currentNode.ClientVersion = nodeInfo.ClientVersion;
currentNode.Email = nodeInfo.Email;
currentNode.Files = nodeInfo.Files;
//currentNode.HostInfo = nodeInfo.HostInfo;
currentNode.NickName = nodeInfo.NickName;
currentNode.RealName = nodeInfo.RealName;
currentNode.AvatarSize = nodeInfo.AvatarSize;
TrustedNodeInfo tNode = network.TrustedNodes[currentNode.NodeID];
tNode.Identifier = currentNode.NickName;
tNode.DestinationInfos.Clear();
tNode.DestinationInfos.AddRange(nodeInfo.DestinationInfos);
Core.Settings.SyncNetworkInfoAndSave();
/*
* IDirectory userDirectory = network.Directory.GetSubdirectory(currentNode.NodeID);
* if (userDirectory != null) {
* userDirectory.Delete();
* }
*
* network.Directory.CreateSubdirectory(currentNode.NodeID, currentNode);
*/
network.RaiseUpdateNodeInfo(oldNick, currentNode);
network.AppendNetworkState(new NetworkState(nodeInfo));
}
private void ReceivedMessage(IAsyncResult result)
{
try {
if (connectionState == ConnectionState.Disconnected)
{
// Connection has been closed. Ignore the message.
Core.LoggingService.LogWarning("LocalNodeConnection: Ignored message received after connection was closed.");
return;
}
byte[] messageData = transport.EndReceiveMessage(result);
if (messageData == null)
{
return;
}
// Get the next one!
ReceiveMessage();
Message message = null;
string messageFrom = null;
try {
message = Message.Parse(transport.Network, messageData, out messageFrom);
} catch (InvalidSignatureException ex) {
if (String.IsNullOrEmpty(messageFrom) || messageFrom == remoteNodeInfo.NodeID)
{
throw ex;
}
else
{
Core.LoggingService.LogWarning("Ignored message with invalid signature from {0}", messageFrom);
return;
}
}
ReceivedMessageInfo info = new ReceivedMessageInfo();
info.Connection = this;
info.Message = message;
Core.RaiseMessageReceived(info);
if (remoteNodeInfo == null)
{
KeyInfo key = (KeyInfo)message.Content;
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
provider.FromXmlString(key.Key);
string nodeID = FileFind.Common.SHA512Str(provider.ToXmlString(false));
if (nodeID.ToLower() == transport.Network.LocalNode.NodeID.ToLower())
{
throw new Exception("You cannot connect to yourself!");
}
if (!transport.Network.TrustedNodes.ContainsKey(nodeID))
{
bool acceptKey = transport.Network.RaiseReceivedKey(this, key);
if (acceptKey)
{
TrustedNodeInfo trustedNode = new TrustedNodeInfo();
trustedNode.Identifier = String.Format("[{0}]", nodeID);
trustedNode.PublicKey = new PublicKey(key.Key);
transport.Network.AddTrustedNode(trustedNode);
Core.Settings.SyncNetworkInfoAndSave();
}
else
{
throw new ConnectNotTrustedException();
}
}
if (transport.Network.TrustedNodes[nodeID].AllowConnect == false)
{
throw new ConnectNotAllowedException(nodeID);
}
foreach (LocalNodeConnection connection in transport.Network.LocalConnections)
{
if (connection != this && connection.NodeRemote != null && connection.NodeRemote.NodeID == nodeID)
{
throw new Exception("Already connected!");
}
}
remoteNodeInfo = transport.Network.TrustedNodes[nodeID];
if (!transport.Network.Nodes.ContainsKey(RemoteNodeInfo.NodeID))
{
Node node = new Node(transport.Network, RemoteNodeInfo.NodeID);
node.NickName = RemoteNodeInfo.Identifier;
node.Verified = true;
transport.Network.AddNode(node);
}
this.NodeRemote = transport.Network.Nodes[RemoteNodeInfo.NodeID];
if (transport.Incoming == true)
{
this.SendMessage(transport.Network.MessageBuilder.CreateMyKeyMessage(null));
}
else
{
ConnectionState = ConnectionState.Authenticating;
RaiseConnectionInfoChanged();
Message m = transport.Network.MessageBuilder.CreateAuthMessage(this, RemoteNodeInfo);
SendMessage(m);
}
}
else
{
ThreadPool.QueueUserWorkItem(new WaitCallback(transport.Network.ProcessMessage), info);
}
} catch (Exception ex) {
Disconnect(ex);
}
}
public Message CreateMyInfoMessage(Node MessageTo)
{
Message p = new Message(network, MessageType.MyInfo);
p.To = MessageTo.NodeID;
TrustedNodeInfo t = network.TrustedNodes[MessageTo.NodeID];
NodeInfo nodeInfo = new NodeInfo();
nodeInfo.NodeID = network.LocalNode.NodeID;
nodeInfo.NickName = network.LocalNode.NickName;
nodeInfo.AvatarSize = network.LocalNode.AvatarSize;
if (MessageTo.IsConnectedLocally == true || t.AllowNetworkInfo == true)
{
nodeInfo.DestinationInfos = Core.DestinationManager.DestinationInfos;
}
if (t.AllowProfile == true)
{
nodeInfo.RealName = network.LocalNode.RealName;
nodeInfo.Email = network.LocalNode.Email;
}
nodeInfo.ClientName = network.LocalNode.ClientName;
nodeInfo.ClientVersion = network.LocalNode.ClientVersion;
if (t.AllowSharedFiles == true)
{
nodeInfo.Bytes = network.LocalNode.Bytes;
nodeInfo.Files = network.LocalNode.Files;
}
List <ConnectionInfo> connections = new List <ConnectionInfo>();
List <ChatRoomInfo> rooms = new List <ChatRoomInfo>();
List <MemoInfo> memos = new List <MemoInfo>();
foreach (INodeConnection con in network.Connections)
{
if (con.NodeLocal != MessageTo & con.NodeRemote != MessageTo)
{
if (con.ConnectionState == ConnectionState.Ready | con.ConnectionState == ConnectionState.Remote)
{
ConnectionInfo n = new ConnectionInfo();
Node ConnectionSourceNode = con.NodeLocal;
Node ConnectionDestNode = con.NodeRemote;
n.SourceNodeID = ConnectionSourceNode.NodeID;
n.SourceNodeNickname = ConnectionSourceNode.NickName;
n.DestNodeID = ConnectionDestNode.NodeID;
n.DestNodeNickname = ConnectionDestNode.NickName;
connections.Add(n);
}
}
}
foreach (ChatRoom currentRoom in network.ChatRooms)
{
ChatRoomInfo roomInfo = new ChatRoomInfo();
roomInfo.Id = currentRoom.Id;
roomInfo.Name = currentRoom.Name;
roomInfo.Users = new string[currentRoom.Users.Count];
int x = 0;
foreach (Node node in currentRoom.Users.Values)
{
roomInfo.Users[x] = node.NodeID;
x++;
}
rooms.Add(roomInfo);
}
memos.AddRange(network.Memos.Where(m => m.Node.IsLocal).Select(m => new MemoInfo(m)));
nodeInfo.KnownConnections = connections.ToArray();
nodeInfo.KnownChatRooms = rooms.ToArray();
nodeInfo.KnownMemos = memos.ToArray();
p.Content = nodeInfo;
return(p);
}
private void ReceivedMessage(IAsyncResult result)
{
try {
if (connectionState == ConnectionState.Disconnected) {
// Connection has been closed. Ignore the message.
LoggingService.LogWarning("LocalNodeConnection: Ignored message received after connection was closed.");
return;
}
byte[] messageData = transport.EndReceiveMessage(result);
if (messageData == null)
return;
// Get the next one!
ReceiveMessage();
Message message = null;
string messageFrom = null;
try {
message = Message.Parse(transport.Network, messageData, out messageFrom);
} catch (InvalidSignatureException ex) {
if (String.IsNullOrEmpty(messageFrom) || messageFrom == remoteNodeInfo.NodeID) {
throw ex;
} else {
LoggingService.LogWarning("Ignored message with invalid signature from {0}", messageFrom);
return;
}
}
ReceivedMessageInfo info = new ReceivedMessageInfo ();
info.Connection = this;
info.Message = message;
Core.RaiseMessageReceived(info);
if (remoteNodeInfo == null) {
KeyInfo key = (KeyInfo) message.Content;
RSACryptoServiceProvider provider = new RSACryptoServiceProvider ();
provider.FromXmlString (key.Key);
string nodeID = FileFind.Common.SHA512Str(provider.ToXmlString (false));
if (nodeID.ToLower () == transport.Network.LocalNode.NodeID.ToLower ()) {
throw new Exception ("You cannot connect to yourself!");
}
if (!transport.Network.TrustedNodes.ContainsKey(nodeID)) {
bool acceptKey = transport.Network.RaiseReceivedKey (this, key);
if (acceptKey) {
TrustedNodeInfo trustedNode = new TrustedNodeInfo();
trustedNode.Identifier = String.Format("[{0}]", nodeID);
trustedNode.PublicKey = new PublicKey(key.Key);
transport.Network.AddTrustedNode(trustedNode);
Core.Settings.SyncNetworkInfoAndSave();
} else {
throw new ConnectNotTrustedException ();
}
}
if (transport.Network.TrustedNodes[nodeID].AllowConnect == false)
throw new ConnectNotAllowedException(nodeID);
foreach (LocalNodeConnection connection in transport.Network.LocalConnections) {
if (connection != this && connection.NodeRemote != null && connection.NodeRemote.NodeID == nodeID)
throw new Exception ("Already connected!");
}
remoteNodeInfo = transport.Network.TrustedNodes[nodeID];
if (!transport.Network.Nodes.ContainsKey(RemoteNodeInfo.NodeID)) {
Node node = new Node (transport.Network, RemoteNodeInfo.NodeID);
node.NickName = RemoteNodeInfo.Identifier;
node.Verified = true;
transport.Network.AddNode(node);
}
this.NodeRemote = transport.Network.Nodes[RemoteNodeInfo.NodeID];
if (transport.Incoming == true) {
this.SendMessage(transport.Network.MessageBuilder.CreateMyKeyMessage (null));
} else {
ConnectionState = ConnectionState.Authenticating;
RaiseConnectionInfoChanged ();
Message m = transport.Network.MessageBuilder.CreateAuthMessage (this, RemoteNodeInfo);
SendMessage(m);
}
} else {
ThreadPool.QueueUserWorkItem(new WaitCallback(transport.Network.ProcessMessage), info);
}
} catch (Exception ex) {
Disconnect(ex);
}
}
internal void AddTrustedNode(TrustedNodeInfo info)
{
if (info.NodeID == Core.MyNodeID)
throw new InvalidOperationException("Cannot add a TrustedNodeInfo with your own key!");
this.trustedNodes.Add(info.NodeID, info);
if (nodes.ContainsKey(info.NodeID)) {
Node node = nodes[info.NodeID];
if (!node.FinishedKeyExchange) {
node.CreateNewSessionKey();
}
}
}
public void AddPublicKey(PublicKey key)
{
TrustedNodeInfo info = new TrustedNodeInfo(key);
this.trustedNodes.Add(info.NodeID, info);
if (nodes.ContainsKey(info.NodeID)) {
Node node = nodes[info.NodeID];
if (!node.FinishedKeyExchange) {
node.CreateNewSessionKey();
}
}
Core.Settings.SyncNetworkInfo();
}
private bool IsNearby(TrustedNodeInfo info)
{
/*
if (Core.ZeroconfManager != null) {
foreach (NearbyNode nnode in Core.NearbyNodes) {
if (nnode.NodeId == info.NodeID) {
return true;
}
}
}
*/
return false;
}
internal void ProcessMyKeyMessage(Node node, KeyInfo key)
{
bool acceptKey = network.RaiseReceivedKey (node, key);
if (acceptKey) {
TrustedNodeInfo tni = new TrustedNodeInfo();
tni.Identifier = node.NickName;
tni.PublicKey = new PublicKey(key.Key);
network.AddTrustedNode(tni);
Core.Settings.SyncNetworkInfoAndSave();
}
}