]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_spanningtree.cpp
Probably wont compile yet - purge_empty_channels refactor
[user/henk/code/inspircd.git] / src / modules / m_spanningtree.cpp
index b26bf536c83a4f570c22cc3010be737ef970bf35..e99bd814d4efcb2c78e7c6a0adcdf105085db295 100644 (file)
@@ -1,9 +1,9 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*   +------------------------------------+
+ *   | Inspire Internet Relay Chat Daemon |
+ *   +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
- *                       E-mail:
+ *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
+ *                     E-mail:
  *                <brain@chatspike.net>
  *               <Craig@chatspike.net>
  *     
@@ -39,6 +39,9 @@ using namespace std;
 #include "hashcomp.h"
 #include "message.h"
 #include "xline.h"
+#include "typedefs.h"
+#include "cull_list.h"
+#include "aes.h"
 
 #ifdef GCC3
 #define nspace __gnu_cxx
@@ -70,6 +73,8 @@ using namespace std;
 class ModuleSpanningTree;
 static ModuleSpanningTree* TreeProtocolModule;
 
+extern ServerConfig* Config;
+extern InspIRCd* ServerInstance;
 extern std::vector<Module*> modules;
 extern std::vector<ircd_module*> factory;
 extern int MODCOUNT;
@@ -92,8 +97,6 @@ extern int MODCOUNT;
 enum ServerState { LISTENER, CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED };
 
 /* We need to import these from the core for use in netbursts */
-typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
-typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
 extern user_hash clientlist;
 extern chan_hash chanlist;
 
@@ -106,6 +109,8 @@ class TreeSocket;
  */
 TreeServer *TreeRoot;
 
+static Server* Srv;
+
 /* This hash_map holds the hash equivalent of the server
  * tree, used for rapid linear lookups.
  */
@@ -116,16 +121,25 @@ server_hash serverlist;
 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> &params, std::string target);
 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> &params, std::string omit);
 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> &params);
-bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, std::string command, std::deque<std::string> &params);
+bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, irc::string command, std::deque<std::string> &params);
 void ReadConfiguration(bool rebind);
 
+/* Flatten links and /MAP for non-opers */
+bool FlatLinks;
+/* Hide U-Lined servers in /MAP and /LINKS */
+bool HideULines;
+
 /* Imported from xline.cpp for use during netburst */
 extern std::vector<KLine> klines;
 extern std::vector<GLine> glines;
 extern std::vector<ZLine> zlines;
 extern std::vector<QLine> qlines;
 extern std::vector<ELine> elines;
-
+extern std::vector<KLine> pklines;
+extern std::vector<GLine> pglines;
+extern std::vector<ZLine> pzlines;
+extern std::vector<QLine> pqlines;
+extern std::vector<ELine> pelines;
 
 /* Each server in the tree is represented by one class of
  * type TreeServer. A locally connected TreeServer can
@@ -168,7 +182,7 @@ class TreeServer
                ServerDesc = "";
                VersionString = "";
                UserCount = OperCount = 0;
-               VersionString = GetVersionString();
+               VersionString = Srv->GetVersion();
        }
 
        /* We use this constructor only to create the 'root' item, TreeRoot, which
@@ -180,8 +194,9 @@ class TreeServer
                Parent = NULL;
                VersionString = "";
                UserCount = OperCount = 0;
-               VersionString = GetVersionString();
+               VersionString = Srv->GetVersion();
                Route = NULL;
+               Socket = NULL; /* Fix by brain */
                AddHashEntry();
        }
 
@@ -193,7 +208,7 @@ class TreeServer
        {
                VersionString = "";
                UserCount = OperCount = 0;
-               this->SetNextPingTime(time(NULL) + 60);
+               this->SetNextPingTime(time(NULL) + 120);
                this->SetPingFlag();
 
                /* find the 'route' for this server (e.g. the one directly connected
@@ -227,7 +242,7 @@ class TreeServer
                }
                else
                {
-                       while (this->Route->GetParent() != TreeRoot)
+                       while (this->Route->GetParent() != TreeRoot)
                        {
                                this->Route = Route->GetParent();
                        }
@@ -285,17 +300,17 @@ class TreeServer
 
        std::string GetName()
        {
-               return this->ServerName;
+               return ServerName;
        }
 
        std::string GetDesc()
        {
-               return this->ServerDesc;
+               return ServerDesc;
        }
 
        std::string GetVersion()
        {
-               return this->VersionString;
+               return VersionString;
        }
 
        void SetNextPingTime(time_t t)
@@ -306,7 +321,7 @@ class TreeServer
 
        time_t NextPingTime()
        {
-               return this->NextPing;
+               return NextPing;
        }
 
        bool AnsweredLastPing()
@@ -321,22 +336,32 @@ class TreeServer
 
        int GetUserCount()
        {
-               return this->UserCount;
+               return UserCount;
+       }
+
+       void AddUserCount()
+       {
+               UserCount++;
+       }
+
+       void DelUserCount()
+       {
+               UserCount--;
        }
 
        int GetOperCount()
        {
-               return this->OperCount;
+               return OperCount;
        }
 
        TreeSocket* GetSocket()
        {
-               return this->Socket;
+               return Socket;
        }
 
        TreeServer* GetParent()
        {
-               return this->Parent;
+               return Parent;
        }
 
        void SetVersion(std::string Version)
@@ -431,6 +456,8 @@ class Link
         std::string RecvPass;
         unsigned long AutoConnect;
         time_t NextConnectTime;
+        std::string EncryptionKey;
+        bool HiddenFromStats;
 };
 
 /* The usual stuff for inspircd modules,
@@ -438,10 +465,16 @@ class Link
  * use to store the <link> tags from the config
  * file.
  */
-Server *Srv;
 ConfigReader *Conf;
 std::vector<Link> LinkBlocks;
 
+template<typename T> inline string ConvToStr(const T &in)
+{
+       stringstream tmp;
+       if (!(tmp << in)) return string();
+       return tmp.str();
+}
+
 /* Yay for fast searches!
  * This is hundreds of times faster than recursion
  * or even scanning a linked list, especially when
@@ -505,6 +538,33 @@ bool IsServer(std::string ServerName)
        return (FindServer(ServerName) != NULL);
 }
 
+
+class cmd_rconnect : public command_t
+{
+       Module* Creator;
+ public:
+       cmd_rconnect (Module* Callback) : command_t("RCONNECT", 'o', 2), Creator(Callback)
+       {
+               this->source = "m_spanningtree.so";
+       }                
+
+       void Handle (char **parameters, int pcnt, userrec *user)
+       {
+               WriteServ(user->fd,"NOTICE %s :*** RCONNECT: Sending remote connect to \002%s\002 to connect server \002%s\002.",user->nick,parameters[0],parameters[1]);
+               /* Is this aimed at our server? */
+               if (Srv->MatchText(Srv->GetServerName(),parameters[0]))
+               {
+                       /* Yes, initiate the given connect */
+                       WriteOpers("*** Remote CONNECT from %s matching \002%s\002, connecting server \002%s\002",user->nick,parameters[0],parameters[1]);
+                       char* para[1];
+                       para[0] = parameters[1];
+                       Creator->OnPreCommand("CONNECT", para, 1, user, true);
+               }
+       }
+};
+
+
 /* Every SERVER connection inbound or outbound is represented by
  * an object of type TreeSocket.
  * TreeSockets, being inherited from InspSocket, can be tied into
@@ -529,6 +589,9 @@ class TreeSocket : public InspSocket
        time_t NextPing;
        bool LastPingWasGood;
        bool bursting;
+       AES* ctx_in;
+       AES* ctx_out;
+       unsigned int keylength;
        
  public:
 
@@ -542,6 +605,8 @@ class TreeSocket : public InspSocket
        {
                myhost = host;
                this->LinkState = LISTENER;
+               this->ctx_in = NULL;
+               this->ctx_out = NULL;
        }
 
        TreeSocket(std::string host, int port, bool listening, unsigned long maxtime, std::string ServerName)
@@ -549,6 +614,8 @@ class TreeSocket : public InspSocket
        {
                myhost = ServerName;
                this->LinkState = CONNECTING;
+               this->ctx_in = NULL;
+               this->ctx_out = NULL;
        }
 
        /* When a listening socket gives us a new file descriptor,
@@ -559,6 +626,42 @@ class TreeSocket : public InspSocket
                : InspSocket(newfd, ip)
        {
                this->LinkState = WAIT_AUTH_1;
+               this->ctx_in = NULL;
+               this->ctx_out = NULL;
+               this->SendCapabilities();
+       }
+
+       ~TreeSocket()
+       {
+               if (ctx_in)
+                       delete ctx_in;
+               if (ctx_out)
+                       delete ctx_out;
+       }
+
+       void InitAES(std::string key,std::string SName)
+       {
+               if (key == "")
+                       return;
+
+               ctx_in = new AES();
+               ctx_out = new AES();
+               log(DEBUG,"Initialized AES key %s",key.c_str());
+               // key must be 16, 24, 32 etc bytes (multiple of 8)
+               keylength = key.length();
+               if (!(keylength == 16 || keylength == 24 || keylength == 32))
+               {
+                       WriteOpers("*** \2ERROR\2: Key length for encryptionkey is not 16, 24 or 32 bytes in length!");
+                       log(DEBUG,"Key length not 16, 24 or 32 characters!");
+               }
+               else
+               {
+                       WriteOpers("*** \2AES\2: Initialized %d bit encryption to server %s",keylength*8,SName.c_str());
+                       ctx_in->MakeKey(key.c_str(), "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
+                               \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", keylength, keylength);
+                       ctx_out->MakeKey(key.c_str(), "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
+                               \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", keylength, keylength);
+               }
        }
        
        /* When an outbound connection finishes connecting, we receive
@@ -567,16 +670,29 @@ class TreeSocket : public InspSocket
         * to server docs on the inspircd.org site, the other side
         * will then send back its own server string.
         */
-        virtual bool OnConnected()
+       virtual bool OnConnected()
        {
                if (this->LinkState == CONNECTING)
                {
-                       Srv->SendOpers("*** Connection to "+myhost+"["+this->GetIP()+"] established.");
                        /* we do not need to change state here. */
                        for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
                        {
                                if (x->Name == this->myhost)
                                {
+                                       Srv->SendOpers("*** Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] established.");
+                                       this->SendCapabilities();
+                                       if (x->EncryptionKey != "")
+                                       {
+                                               if (!(x->EncryptionKey.length() == 16 || x->EncryptionKey.length() == 24 || x->EncryptionKey.length() == 32))
+                                               {
+                                                       WriteOpers("\2WARNING\2: Your encryption key is NOT 16, 24 or 32 characters in length, encryption will \2NOT\2 be enabled.");
+                                               }
+                                               else
+                                               {
+                                                       this->WriteLine("AES "+Srv->GetServerName());
+                                                       this->InitAES(x->EncryptionKey,x->Name);
+                                               }
+                                       }
                                        /* found who we're supposed to be connecting to, send the neccessary gubbins. */
                                        this->WriteLine("SERVER "+Srv->GetServerName()+" "+x->SendPass+" 0 :"+Srv->GetServerDescription());
                                        return true;
@@ -588,10 +704,11 @@ class TreeSocket : public InspSocket
                 * If that happens the connection hangs here until it's closed. Unlikely
                 * and rather harmless.
                 */
+               Srv->SendOpers("*** Connection to \2"+myhost+"\2 lost link tag(!)");
                return true;
        }
        
-        virtual void OnError(InspSocketError e)
+       virtual void OnError(InspSocketError e)
        {
                /* We don't handle this method, because all our
                 * dirty work is done in OnClose() (see below)
@@ -599,7 +716,7 @@ class TreeSocket : public InspSocket
                 */
        }
 
-        virtual int OnDisconnect()
+       virtual int OnDisconnect()
        {
                /* For the same reason as above, we don't
                 * handle OnDisconnect()
@@ -633,13 +750,66 @@ class TreeSocket : public InspSocket
                }
        }
 
+       std::string MyCapabilities()
+       {
+               ServerConfig* Config = Srv->GetConfig();
+               std::vector<std::string> modlist;
+               std::string capabilities = "";
+
+               for (int i = 0; i <= MODCOUNT; i++)
+               {
+                       if ((modules[i]->GetVersion().Flags & VF_STATIC) || (modules[i]->GetVersion().Flags & VF_COMMON))
+                               modlist.push_back(Config->module_names[i]);
+               }
+               sort(modlist.begin(),modlist.end());
+               for (unsigned int i = 0; i < modlist.size(); i++)
+               {
+                       if (i)
+                               capabilities = capabilities + ",";
+                       capabilities = capabilities + modlist[i];
+               }
+               return capabilities;
+       }
+       
+       void SendCapabilities()
+       {
+               this->WriteLine("CAPAB "+MyCapabilities());
+       }
+
+       bool Capab(std::deque<std::string> params)
+       {
+               if (params.size() != 1)
+               {
+                       this->WriteLine("ERROR :Invalid number of parameters for CAPAB");
+                       return false;
+               }
+
+               if (params[0] != this->MyCapabilities())
+               {
+                       std::string quitserver = this->myhost;
+                       if (this->InboundServerName != "")
+                       {
+                               quitserver = this->InboundServerName;
+                       }
+
+                       WriteOpers("*** \2ERROR\2: Server '%s' does not have the same set of modules loaded, cannot link!",quitserver.c_str());
+                       WriteOpers("*** Our networked module set is: '%s'",this->MyCapabilities().c_str());
+                       WriteOpers("*** Other server's networked module set is: '%s'",params[0].c_str());
+                       WriteOpers("*** These lists must match exactly on both servers. Please correct these errors, and try again.");
+                       this->WriteLine("ERROR :CAPAB mismatch; My capabilities: '"+this->MyCapabilities()+"'");
+                       return false;
+               }
+
+               return true;
+       }
+
        /* This function forces this server to quit, removing this server
         * and any users on it (and servers and users below that, etc etc).
         * It's very slow and pretty clunky, but luckily unless your network
         * is having a REAL bad hair day, this function shouldnt be called
         * too many times a month ;-)
         */
-       void SquitServer(TreeServer* Current)
+       void SquitServer(std::string &from, TreeServer* Current, CullList* Goners)
        {
                /* recursively squit the servers attached to 'Current'.
                 * We're going backwards so we don't remove users
@@ -648,29 +818,16 @@ class TreeSocket : public InspSocket
                for (unsigned int q = 0; q < Current->ChildCount(); q++)
                {
                        TreeServer* recursive_server = Current->GetChild(q);
-                       this->SquitServer(recursive_server);
+                       this->SquitServer(from,recursive_server,Goners);
                }
                /* Now we've whacked the kids, whack self */
                num_lost_servers++;
-               bool quittingpeople = true;
-               while (quittingpeople)
-               {
-                       /* Yup i know, "ew". We cant continue to loop through the
-                        * iterator if we modify it, so whenever we modify it with a
-                        * QUIT we have to start alllll over again. If anyone knows
-                        * a better faster way of *safely* doing this, please let me
-                        * know!
-                        */
-                       quittingpeople = false;
-                       for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
+               for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
+               {
+                       if (!strcasecmp(u->second->server,Current->GetName().c_str()))
                        {
-                               if (!strcasecmp(u->second->server,Current->GetName().c_str()))
-                               {
-                                       Srv->QuitUser(u->second,Current->GetName()+" "+std::string(Srv->GetServerName()));
-                                       num_lost_users++;
-                                       quittingpeople = true;
-                                       break;
-                               }
+                               Goners->AddItem(u->second,from);
+                               num_lost_users++;
                        }
                }
        }
@@ -681,7 +838,7 @@ class TreeSocket : public InspSocket
         */
        void Squit(TreeServer* Current,std::string reason)
        {
-               if (Current)
+               if ((Current) && (Current != TreeRoot))
                {
                        std::deque<std::string> params;
                        params.push_back(Current->GetName());
@@ -697,10 +854,14 @@ class TreeSocket : public InspSocket
                        }
                        num_lost_servers = 0;
                        num_lost_users = 0;
-                       SquitServer(Current);
+                       CullList* Goners = new CullList();
+                       std::string from = Current->GetParent()->GetName()+" "+Current->GetName();
+                       SquitServer(from, Current, Goners);
+                       Goners->Apply();
                        Current->Tidy();
                        Current->GetParent()->DelChild(Current);
                        delete Current;
+                       delete Goners;
                        WriteOpers("Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
                }
                else
@@ -710,13 +871,14 @@ class TreeSocket : public InspSocket
        }
 
        /* FMODE command */
-       bool ForceMode(std::string source, std::deque<std::string> params)
+       bool ForceMode(std::string source, std::deque<std::string> &params)
        {
-               userrec* who = new userrec;
-               who->fd = FD_MAGIC_NUMBER;
                if (params.size() < 2)
                        return true;
-               char* modelist[255];
+               userrec* who = new userrec();
+               who->fd = FD_MAGIC_NUMBER;
+               char* modelist[64];
+               memset(&modelist,0,sizeof(modelist));
                for (unsigned int q = 0; q < params.size(); q++)
                {
                        modelist[q] = (char*)params[q].c_str();
@@ -728,43 +890,52 @@ class TreeSocket : public InspSocket
        }
 
        /* FTOPIC command */
-       bool ForceTopic(std::string source, std::deque<std::string> params)
+       bool ForceTopic(std::string source, std::deque<std::string> &params)
        {
                if (params.size() != 4)
                        return true;
-               std::string channel = params[0];
                time_t ts = atoi(params[1].c_str());
-               std::string setby = params[2];
-               std::string topic = params[3];
+               std::string nsource = source;
 
-               chanrec* c = Srv->FindChannel(channel);
+               chanrec* c = Srv->FindChannel(params[0]);
                if (c)
                {
                        if ((ts >= c->topicset) || (!*c->topic))
                        {
                                std::string oldtopic = c->topic;
-                               strlcpy(c->topic,topic.c_str(),MAXTOPIC);
-                               strlcpy(c->setby,setby.c_str(),NICKMAX);
+                               strlcpy(c->topic,params[3].c_str(),MAXTOPIC);
+                               strlcpy(c->setby,params[2].c_str(),NICKMAX-1);
                                c->topicset = ts;
                                /* if the topic text is the same as the current topic,
                                 * dont bother to send the TOPIC command out, just silently
                                 * update the set time and set nick.
                                 */
-                               if (oldtopic != topic)
-                                       WriteChannelWithServ((char*)source.c_str(), c, "TOPIC %s :%s", c->name, c->topic);
+                               if (oldtopic != params[3])
+                               {
+                                       userrec* user = Srv->FindNick(source);
+                                       if (!user)
+                                       {
+                                               WriteChannelWithServ((char*)source.c_str(), c, "TOPIC %s :%s", c->name, c->topic);
+                                       }
+                                       else
+                                       {
+                                               WriteChannel(c, user, "TOPIC %s :%s", c->name, c->topic);
+                                               nsource = user->server;
+                                       }
+                               }
                        }
                        
                }
                
                /* all done, send it on its way */
                params[3] = ":" + params[3];
-               DoOneToAllButSender(source,"FTOPIC",params,source);
+               DoOneToAllButSender(source,"FTOPIC",params,nsource);
 
                return true;
        }
 
        /* FJOIN, similar to unreal SJOIN */
-       bool ForceJoin(std::string source, std::deque<std::string> params)
+       bool ForceJoin(std::string source, std::deque<std::string> &params)
        {
                if (params.size() < 3)
                        return true;
@@ -772,6 +943,7 @@ class TreeSocket : public InspSocket
                char first[MAXBUF];
                char modestring[MAXBUF];
                char* mode_users[127];
+               memset(&mode_users,0,sizeof(mode_users));
                mode_users[0] = first;
                mode_users[1] = modestring;
                strcpy(mode_users[1],"+");
@@ -810,56 +982,61 @@ class TreeSocket : public InspSocket
                {
                        /* process one channel at a time, applying modes. */
                        char* usr = (char*)params[usernum].c_str();
-                       char permissions = *usr;
-                       switch (permissions)
-                       {
-                               case '@':
-                                       usr++;
-                                       mode_users[modectr++] = usr;
-                                       strlcat(modestring,"o",MAXBUF);
-                               break;
-                               case '%':
-                                       usr++;
-                                       mode_users[modectr++] = usr;
-                                       strlcat(modestring,"h",MAXBUF);
-                               break;
-                               case '+':
-                                       usr++;
-                                       mode_users[modectr++] = usr;
-                                       strlcat(modestring,"v",MAXBUF);
-                               break;
-                       }
-                       who = Srv->FindNick(usr);
-                       if (who)
+                       /* Safety check just to make sure someones not sent us an FJOIN full of spaces
+                        * (is this even possible?) */
+                       if (usr && *usr)
                        {
-                               Srv->JoinUserToChannel(who,channel,key);
-                               if (modectr >= (MAXMODES-1))
+                               char permissions = *usr;
+                               switch (permissions)
                                {
-                                       /* theres a mode for this user. push them onto the mode queue, and flush it
-                                        * if there are more than MAXMODES to go.
-                                        */
-                                       if ((ourTS >= TS) || (Srv->IsUlined(who->server)))
-                                       {
-                                               /* We also always let u-lined clients win, no matter what the TS value */
-                                               log(DEBUG,"Our our channel newer than theirs, accepting their modes");
-                                               Srv->SendMode(mode_users,modectr,who);
-                                       }
-                                       else
+                                       case '@':
+                                               usr++;
+                                               mode_users[modectr++] = usr;
+                                               strlcat(modestring,"o",MAXBUF);
+                                       break;
+                                       case '%':
+                                               usr++;
+                                               mode_users[modectr++] = usr;
+                                               strlcat(modestring,"h",MAXBUF);
+                                       break;
+                                       case '+':
+                                               usr++;
+                                               mode_users[modectr++] = usr;
+                                               strlcat(modestring,"v",MAXBUF);
+                                       break;
+                               }
+                               who = Srv->FindNick(usr);
+                               if (who)
+                               {
+                                       Srv->JoinUserToChannel(who,channel,key);
+                                       if (modectr >= (MAXMODES-1))
                                        {
-                                               log(DEBUG,"Their channel newer than ours, bouncing their modes");
-                                               /* bouncy bouncy! */
-                                               std::deque<std::string> params;
-                                               /* modes are now being UNSET... */
-                                               *mode_users[1] = '-';
-                                               for (unsigned int x = 0; x < modectr; x++)
+                                               /* theres a mode for this user. push them onto the mode queue, and flush it
+                                                * if there are more than MAXMODES to go.
+                                                */
+                                               if ((ourTS >= TS) || (Srv->IsUlined(who->server)))
+                                               {
+                                                       /* We also always let u-lined clients win, no matter what the TS value */
+                                                       log(DEBUG,"Our our channel newer than theirs, accepting their modes");
+                                                       Srv->SendMode(mode_users,modectr,who);
+                                               }
+                                               else
                                                {
-                                                       params.push_back(mode_users[x]);
+                                                       log(DEBUG,"Their channel newer than ours, bouncing their modes");
+                                                       /* bouncy bouncy! */
+                                                       std::deque<std::string> params;
+                                                       /* modes are now being UNSET... */
+                                                       *mode_users[1] = '-';
+                                                       for (unsigned int x = 0; x < modectr; x++)
+                                                       {
+                                                               params.push_back(mode_users[x]);
+                                                       }
+                                                       // tell everyone to bounce the modes. bad modes, bad!
+                                                       DoOneToMany(Srv->GetServerName(),"FMODE",params);
                                                }
-                                               // tell everyone to bounce the modes. bad modes, bad!
-                                               DoOneToMany(Srv->GetServerName(),"FMODE",params);
+                                               strcpy(mode_users[1],"+");
+                                               modectr = 2;
                                        }
-                                       strcpy(mode_users[1],"+");
-                                       modectr = 2;
                                }
                        }
                }
@@ -889,16 +1066,17 @@ class TreeSocket : public InspSocket
        }
 
        /* NICK command */
-       bool IntroduceClient(std::string source, std::deque<std::string> params)
+       bool IntroduceClient(std::string source, std::deque<std::string> &params)
        {
                if (params.size() < 8)
                        return true;
+               if (params.size() > 8)
+               {
+                       this->WriteLine(":"+Srv->GetServerName()+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)");
+                       return true;
+               }
                // NICK age nick host dhost ident +modes ip :gecos
-               //       0   1    2    3      4     5    6   7
-               std::string nick = params[1];
-               std::string host = params[2];
-               std::string dhost = params[3];
-               std::string ident = params[4];
+               //   0   123  4 56   7
                time_t age = atoi(params[0].c_str());
                std::string modes = params[5];
                while (*(modes.c_str()) == '+')
@@ -907,44 +1085,44 @@ class TreeSocket : public InspSocket
                        m++;
                        modes = m;
                }
-               std::string ip = params[6];
-               std::string gecos = params[7];
-               char* tempnick = (char*)nick.c_str();
-               log(DEBUG,"Introduce client %s!%s@%s",tempnick,ident.c_str(),host.c_str());
+               char* tempnick = (char*)params[1].c_str();
+               log(DEBUG,"Introduce client %s!%s@%s",tempnick,params[4].c_str(),params[2].c_str());
                
                user_hash::iterator iter;
                iter = clientlist.find(tempnick);
                if (iter != clientlist.end())
                {
                        // nick collision
-                       log(DEBUG,"Nick collision on %s!%s@%s: %lu %lu",tempnick,ident.c_str(),host.c_str(),(unsigned long)age,(unsigned long)iter->second->age);
+                       log(DEBUG,"Nick collision on %s!%s@%s: %lu %lu",tempnick,params[4].c_str(),params[2].c_str(),(unsigned long)age,(unsigned long)iter->second->age);
                        this->WriteLine(":"+Srv->GetServerName()+" KILL "+tempnick+" :Nickname collision");
                        return true;
                }
 
                clientlist[tempnick] = new userrec();
                clientlist[tempnick]->fd = FD_MAGIC_NUMBER;
-               strlcpy(clientlist[tempnick]->nick, tempnick,NICKMAX);
-               strlcpy(clientlist[tempnick]->host, host.c_str(),160);
-               strlcpy(clientlist[tempnick]->dhost, dhost.c_str(),160);
+               strlcpy(clientlist[tempnick]->nick, tempnick,NICKMAX-1);
+               strlcpy(clientlist[tempnick]->host, params[2].c_str(),63);
+               strlcpy(clientlist[tempnick]->dhost, params[3].c_str(),63);
                clientlist[tempnick]->server = (char*)FindServerNamePtr(source.c_str());
-               strlcpy(clientlist[tempnick]->ident, ident.c_str(),IDENTMAX);
-               strlcpy(clientlist[tempnick]->fullname, gecos.c_str(),MAXGECOS);
+               strlcpy(clientlist[tempnick]->ident, params[4].c_str(),IDENTMAX);
+               strlcpy(clientlist[tempnick]->fullname, params[7].c_str(),MAXGECOS);
                clientlist[tempnick]->registered = 7;
                clientlist[tempnick]->signon = age;
                strlcpy(clientlist[tempnick]->modes, modes.c_str(),53);
-               strlcpy(clientlist[tempnick]->ip,ip.c_str(),16);
-               for (int i = 0; i < MAXCHANS; i++)
-               {
-                       clientlist[tempnick]->chans[i].channel = NULL;
-                       clientlist[tempnick]->chans[i].uc_modes = 0;
-               }
-               if (!this->bursting)
-               {
-                       WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",clientlist[tempnick]->server,clientlist[tempnick]->nick,clientlist[tempnick]->ident,clientlist[tempnick]->host,clientlist[tempnick]->ip);
-               }
+               inet_aton(params[6].c_str(),&clientlist[tempnick]->ip4);
+
+               WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",clientlist[tempnick]->server,clientlist[tempnick]->nick,clientlist[tempnick]->ident,clientlist[tempnick]->host,(char*)inet_ntoa(clientlist[tempnick]->ip4));
+
                params[7] = ":" + params[7];
                DoOneToAllButSender(source,"NICK",params,source);
+
+               // Increment the Source Servers User Count..
+               TreeServer* SourceServer = FindServer(source);
+               if (SourceServer)
+               {
+                       SourceServer->AddUserCount();
+               }
+
                return true;
        }
 
@@ -954,25 +1132,79 @@ class TreeSocket : public InspSocket
         */
        void SendFJoins(TreeServer* Current, chanrec* c)
        {
+               log(DEBUG,"Sending FJOINs to other server for %s",c->name);
                char list[MAXBUF];
-               snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
-               std::vector<char*> *ulist = c->GetUsers();
-               for (unsigned int i = 0; i < ulist->size(); i++)
+               std::string individual_halfops = ":"+Srv->GetServerName()+" FMODE "+c->name;
+               size_t counter = snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
+               size_t initial = counter;
+
+               CUList *ulist = c->GetUsers();
+               std::vector<userrec*> specific_halfop;
+               std::vector<userrec*> specific_voice;
+
+               for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
                {
-                       char* o = (*ulist)[i];
-                       userrec* otheruser = (userrec*)o;
-                       strlcat(list," ",MAXBUF);
-                       strlcat(list,cmode(otheruser,c),MAXBUF);
-                       strlcat(list,otheruser->nick,MAXBUF);
-                       if (strlen(list)>(480-NICKMAX))
+                       charlcat(list,' ',MAXBUF);
+                       counter++;
+                       int x = cflags(i->second,c);
+                       if ((x & UCMODE_HOP) && (x & UCMODE_OP))
+                       {
+                               specific_halfop.push_back(i->second);
+                       }
+                       if (((x & UCMODE_HOP) || (x & UCMODE_OP)) && (x & UCMODE_VOICE))
                        {
+                               specific_voice.push_back(i->second);
+                       }
+
+                       char n = 0;
+                       if (x & UCMODE_OP)
+                       {
+                               n = '@';
+                       }
+                       else if (x & UCMODE_HOP)
+                       {
+                               n = '%';
+                       }
+                       else if (x & UCMODE_VOICE)
+                       {
+                               n = '+';
+                       }
+
+                       if (n)
+                       {
+                               charlcat(list,n,MAXBUF);
+                               counter++;
+                       }
+
+                       counter += strlcat(list,i->second->nick,MAXBUF);
+
+                       if (counter > (480-NICKMAX))
+                       {
+                               log(DEBUG,"FJOIN line wrapped");
                                this->WriteLine(list);
-                               snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
+                               counter = snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
+                               for (unsigned int y = 0; y < specific_voice.size(); y++)
+                               {
+                                       this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" +v "+specific_voice[y]->nick);
+                               }
+                               for (unsigned int y = 0; y < specific_halfop.size(); y++)
+                               {
+                                       this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" +h "+specific_halfop[y]->nick);
+                               }
                        }
                }
-               if (list[strlen(list)-1] != ':')
+               if (counter != initial)
                {
+                       log(DEBUG,"Final FJOIN line");
                        this->WriteLine(list);
+                       for (unsigned int y = 0; y < specific_voice.size(); y++)
+                       {
+                               this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" +v "+specific_voice[y]->nick);
+                       }
+                       for (unsigned int y = 0; y < specific_halfop.size(); y++)
+                       {
+                               this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" +h "+specific_halfop[y]->nick);
+                       }
                }
        }
 
@@ -980,26 +1212,81 @@ class TreeSocket : public InspSocket
        void SendXLines(TreeServer* Current)
        {
                char data[MAXBUF];
+               std::string n = Srv->GetServerName();
+               const char* sn = n.c_str();
+               int iterations = 0;
                /* Yes, these arent too nice looking, but they get the job done */
-               for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+               for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++, iterations++)
+               {
+                       snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s",sn,i->ipaddr,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
+               }
+               for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++, iterations++)
+               {
+                       snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s",sn,i->nick,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
+               }
+               for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++, iterations++)
+               {
+                       snprintf(data,MAXBUF,":%s ADDLINE G %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
+               }
+               for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++, iterations++)
+               {
+                       snprintf(data,MAXBUF,":%s ADDLINE E %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
+               }
+               for (std::vector<ZLine>::iterator i = pzlines.begin(); i != pzlines.end(); i++, iterations++)
                {
-                       snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->ipaddr,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s",sn,i->ipaddr,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
                        this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
                }
-               for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+               for (std::vector<QLine>::iterator i = pqlines.begin(); i != pqlines.end(); i++, iterations++)
                {
-                       snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->nick,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s",sn,i->nick,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
                        this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
                }
-               for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
+               for (std::vector<GLine>::iterator i = pglines.begin(); i != pglines.end(); i++, iterations++)
                {
-                       snprintf(data,MAXBUF,":%s ADDLINE G %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       snprintf(data,MAXBUF,":%s ADDLINE G %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
                        this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
                }
-               for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++)
+               for (std::vector<ELine>::iterator i = pelines.begin(); i != pelines.end(); i++, iterations++)
                {
-                       snprintf(data,MAXBUF,":%s ADDLINE E %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+                       snprintf(data,MAXBUF,":%s ADDLINE E %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
                        this->WriteLine(data);
+                       if ((iterations % 10) == 0)
+                       {
+                               ServerInstance->DoOneIteration(false);
+                       }
                }
        }
 
@@ -1008,27 +1295,30 @@ class TreeSocket : public InspSocket
        {
                char data[MAXBUF];
                std::deque<std::string> list;
-               for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
+               int iterations = 0;
+               std::string n = Srv->GetServerName();
+               const char* sn = n.c_str();
+               for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++, iterations++)
                {
                        SendFJoins(Current, c->second);
-                       snprintf(data,MAXBUF,":%s FMODE %s +%s",Srv->GetServerName().c_str(),c->second->name,chanmodes(c->second));
+                       snprintf(data,MAXBUF,":%s FMODE %s +%s",sn,c->second->name,chanmodes(c->second,true));
                        this->WriteLine(data);
                        if (*c->second->topic)
                        {
-                               snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s",Srv->GetServerName().c_str(),c->second->name,(unsigned long)c->second->topicset,c->second->setby,c->second->topic);
+                               snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s",sn,c->second->name,(unsigned long)c->second->topicset,c->second->setby,c->second->topic);
                                this->WriteLine(data);
                        }
                        for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
                        {
-                               snprintf(data,MAXBUF,":%s FMODE %s +b %s",Srv->GetServerName().c_str(),c->second->name,b->data);
+                               snprintf(data,MAXBUF,":%s FMODE %s +b %s",sn,c->second->name,b->data);
                                this->WriteLine(data);
                        }
-                       FOREACH_MOD OnSyncChannel(c->second,(Module*)TreeProtocolModule,(void*)this);
+                       FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(c->second,(Module*)TreeProtocolModule,(void*)this));
                        list.clear();
                        c->second->GetExtList(list);
                        for (unsigned int j = 0; j < list.size(); j++)
                        {
-                               FOREACH_MOD OnSyncChannelMetaData(c->second,(Module*)TreeProtocolModule,(void*)this,list[j]);
+                               FOREACH_MOD(I_OnSyncChannelMetaData,OnSyncChannelMetaData(c->second,(Module*)TreeProtocolModule,(void*)this,list[j]));
                        }
                }
        }
@@ -1038,22 +1328,27 @@ class TreeSocket : public InspSocket
        {
                char data[MAXBUF];
                std::deque<std::string> list;
-               for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
+               int iterations = 0;
+               for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++, iterations++)
                {
                        if (u->second->registered == 7)
                        {
-                               snprintf(data,MAXBUF,":%s NICK %lu %s %s %s %s +%s %s :%s",u->second->server,(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->modes,u->second->ip,u->second->fullname);
+                               snprintf(data,MAXBUF,":%s NICK %lu %s %s %s %s +%s %s :%s",u->second->server,(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->modes,(char*)inet_ntoa(u->second->ip4),u->second->fullname);
                                this->WriteLine(data);
-                               if (strchr(u->second->modes,'o'))
+                               if (*u->second->oper)
                                {
                                        this->WriteLine(":"+std::string(u->second->nick)+" OPERTYPE "+std::string(u->second->oper));
                                }
-                               FOREACH_MOD OnSyncUser(u->second,(Module*)TreeProtocolModule,(void*)this);
+                               if (*u->second->awaymsg)
+                               {
+                                       this->WriteLine(":"+std::string(u->second->nick)+" AWAY :"+std::string(u->second->awaymsg));
+                               }
+                               FOREACH_MOD(I_OnSyncUser,OnSyncUser(u->second,(Module*)TreeProtocolModule,(void*)this));
                                list.clear();
                                u->second->GetExtList(list);
                                for (unsigned int j = 0; j < list.size(); j++)
                                {
-                                       FOREACH_MOD OnSyncUserMetaData(u->second,(Module*)TreeProtocolModule,(void*)this,list[j]);
+                                       FOREACH_MOD(I_OnSyncUserMetaData,OnSyncUserMetaData(u->second,(Module*)TreeProtocolModule,(void*)this,list[j]));
                                }
                        }
                }
@@ -1066,18 +1361,31 @@ class TreeSocket : public InspSocket
         */
        void DoBurst(TreeServer* s)
        {
+               /* The calls here to ServerInstance->DoOneIteration(false); yield the processing
+                * back to the core so that a large burst is split into at least 6 sections
+                * (possibly more)
+                */
+               std::string burst = "BURST "+ConvToStr(time(NULL));
+               std::string endburst = "ENDBURST";
                Srv->SendOpers("*** Bursting to \2"+s->GetName()+"\2.");
-               this->WriteLine("BURST");
+               this->WriteLine(burst);
+               ServerInstance->DoOneIteration(false);
                /* send our version string */
-               this->WriteLine(":"+Srv->GetServerName()+" VERSION :"+GetVersionString());
+               this->WriteLine(":"+Srv->GetServerName()+" VERSION :"+Srv->GetVersion());
                /* Send server tree */
                this->SendServers(TreeRoot,s,1);
+               ServerInstance->DoOneIteration(false);
                /* Send users and their oper status */
                this->SendUsers(s);
+               ServerInstance->DoOneIteration(false);
                /* Send everything else (channel modes, xlines etc) */
                this->SendChannelModes(s);
+               ServerInstance->DoOneIteration(false);
                this->SendXLines(s);
-               this->WriteLine("ENDBURST");
+               ServerInstance->DoOneIteration(false);
+               FOREACH_MOD(I_OnSyncOtherMetaData,OnSyncOtherMetaData((Module*)TreeProtocolModule,(void*)this));
+               ServerInstance->DoOneIteration(false);
+               this->WriteLine(endburst);
                Srv->SendOpers("*** Finished bursting to \2"+s->GetName()+"\2.");
        }
 
@@ -1089,58 +1397,99 @@ class TreeSocket : public InspSocket
         * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES
         * THE SOCKET OBJECT FOR US.
         */
-        virtual bool OnDataReady()
+       virtual bool OnDataReady()
        {
+               int iterations = 0;
                char* data = this->Read();
-               if (data)
+               /* Check that the data read is a valid pointer and it has some content */
+               if (data && *data)
                {
-                       this->in_buffer += data;
+                       this->in_buffer.append(data);
                        /* While there is at least one new line in the buffer,
                         * do something useful (we hope!) with it.
                         */
                        while (in_buffer.find("\n") != std::string::npos)
                        {
-                               char* line = (char*)in_buffer.c_str();
-                               std::string ret = "";
-                               while ((*line != '\n') && (strlen(line)))
+                               iterations++;
+                               if ((iterations % 10) == 0)
                                {
-                                       ret = ret + *line;
-                                       line++;
+                                       ServerInstance->DoOneIteration(false);
                                }
-                               if ((*line == '\n') || (*line == '\r'))
-                                       line++;
-                               in_buffer = line;
+                               std::string ret = in_buffer.substr(0,in_buffer.find("\n")-1);
+                               in_buffer = in_buffer.substr(in_buffer.find("\n")+1,in_buffer.length()-in_buffer.find("\n"));
+                               if (ret.find("\r") != std::string::npos)
+                                       ret = in_buffer.substr(0,in_buffer.find("\r")-1);
                                /* Process this one, abort if it
                                 * didnt return true.
                                 */
+                               if (this->ctx_in)
+                               {
+                                       char out[1024];
+                                       char result[1024];
+                                       memset(result,0,1024);
+                                       memset(out,0,1024);
+                                       log(DEBUG,"Original string '%s'",ret.c_str());
+                                       /* ERROR + CAPAB is still allowed unencryped */
+                                       if ((ret.substr(0,7) != "ERROR :") && (ret.substr(0,6) != "CAPAB "))
+                                       {
+                                               int nbytes = from64tobits(out, ret.c_str(), 1024);
+                                               if ((nbytes > 0) && (nbytes < 1024))
+                                               {
+                                                       log(DEBUG,"m_spanningtree: decrypt %d bytes",nbytes);
+                                                       ctx_in->Decrypt(out, result, nbytes, 0);
+                                                       for (int t = 0; t < nbytes; t++)
+                                                               if (result[t] == '\7') result[t] = 0;
+                                                       ret = result;
+                                               }
+                                       }
+                               }
                                if (!this->ProcessLine(ret))
                                {
+                                       log(DEBUG,"ProcessLine says no!");
                                        return false;
                                }
                        }
+                       return true;
                }
-               return (data != NULL);
+               /* EAGAIN returns an empty but non-NULL string, so this
+                * evaluates to TRUE for EAGAIN but to FALSE for EOF.
+                */
+               return (data && !*data);
        }
 
        int WriteLine(std::string line)
        {
+               log(DEBUG,"OUT: %s",line.c_str());
+               if (this->ctx_out)
+               {
+                       char result[10240];
+                       char result64[10240];
+                       if (this->keylength)
+                       {
+                               // pad it to the key length
+                               int n = this->keylength - (line.length() % this->keylength);
+                               if (n)
+                               {
+                                       log(DEBUG,"Append %d chars to line to make it %d long from %d, key length %d",n,n+line.length(),line.length(),this->keylength);
+                                       line.append(n,'\7');
+                               }
+                       }
+                       unsigned int ll = line.length();
+                       ctx_out->Encrypt(line.c_str(), result, ll, 0);
+                       to64frombits((unsigned char*)result64,(unsigned char*)result,ll);
+                       line = result64;
+                       //int from64tobits(char *out, const char *in, int maxlen);
+               }
                return this->Write(line + "\r\n");
        }
 
        /* Handle ERROR command */
-       bool Error(std::deque<std::string> params)
+       bool Error(std::deque<std::string> &params)
        {
                if (params.size() < 1)
                        return false;
-               std::string Errmsg = params[0];
-               std::string SName = myhost;
-               if (InboundServerName != "")
-               {
-                       SName = InboundServerName;
-               }
-               Srv->SendOpers("*** ERROR from "+SName+": "+Errmsg);
-               /* we will return false to cause the socket to close.
-                */
+               WriteOpers("*** ERROR from %s: %s",(InboundServerName != "" ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
+               /* we will return false to cause the socket to close. */
                return false;
        }
 
@@ -1150,12 +1499,15 @@ class TreeSocket : public InspSocket
        bool OperType(std::string prefix, std::deque<std::string> &params)
        {
                if (params.size() != 1)
+               {
+                       log(DEBUG,"Received invalid oper type from %s",prefix.c_str());
                        return true;
+               }
                std::string opertype = params[0];
                userrec* u = Srv->FindNick(prefix);
                if (u)
                {
-                       strlcpy(u->oper,opertype.c_str(),NICKMAX);
+                       strlcpy(u->oper,opertype.c_str(),NICKMAX-1);
                        if (!strchr(u->modes,'o'))
                        {
                                strcat(u->modes,"o");
@@ -1172,12 +1524,20 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 3)
                        return true;
+
                userrec* u = Srv->FindNick(params[0]);
+
                if (u)
                {
-                       Srv->ChangeUserNick(u,params[1]);
-                       u->age = atoi(params[2].c_str());
                        DoOneToAllButSender(prefix,"SVSNICK",params,prefix);
+                       if (IS_LOCAL(u))
+                       {
+                               std::deque<std::string> par;
+                               par.push_back(params[1]);
+                               DoOneToMany(u->nick,"NICK",par);
+                               Srv->ChangeUserNick(u,params[1]);
+                               u->age = atoi(params[2].c_str());
+                       }
                }
                return true;
        }
@@ -1186,7 +1546,9 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 2)
                        return true;
+
                userrec* u = Srv->FindNick(params[0]);
+
                if (u)
                {
                        Srv->JoinUserToChannel(u,params[1],"");
@@ -1199,7 +1561,9 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 1)
                        return false;
+
                std::string servermask = params[0];
+
                if (Srv->MatchText(Srv->GetServerName(),servermask))
                {
                        Srv->SendOpers("*** Remote rehash initiated from server \002"+prefix+"\002.");
@@ -1214,9 +1578,11 @@ class TreeSocket : public InspSocket
        {
                if (params.size() != 2)
                        return true;
+
                std::string nick = params[0];
                userrec* u = Srv->FindNick(prefix);
                userrec* who = Srv->FindNick(nick);
+
                if (who)
                {
                        /* Prepend kill source, if we don't have one */
@@ -1241,11 +1607,40 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 1)
                        return true;
-               TreeServer* ServerSource = FindServer(prefix);
-               if (ServerSource)
+
+               if (params.size() == 1)
                {
-                       ServerSource->SetPingFlag();
+                       TreeServer* ServerSource = FindServer(prefix);
+                       if (ServerSource)
+                       {
+                               ServerSource->SetPingFlag();
+                       }
                }
+               else
+               {
+                       std::string forwardto = params[1];
+                       if (forwardto == Srv->GetServerName())
+                       {
+                               /*
+                                * this is a PONG for us
+                                * if the prefix is a user, check theyre local, and if they are,
+                                * dump the PONG reply back to their fd. If its a server, do nowt.
+                                * Services might want to send these s->s, but we dont need to yet.
+                                */
+                               userrec* u = Srv->FindNick(prefix);
+
+                               if (u)
+                               {
+                                       WriteServ(u->fd,"PONG %s %s",params[0].c_str(),params[1].c_str());
+                               }
+                       }
+                       else
+                       {
+                               // not for us, pass it on :)
+                               DoOneToOne(prefix,"PONG",params,forwardto);
+                       }
+               }
+
                return true;
        }
        
@@ -1253,26 +1648,33 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 3)
                        return true;
+
                TreeServer* ServerSource = FindServer(prefix);
+
                if (ServerSource)
                {
-                       if (*(params[0].c_str()) == '#')
+                       if (params[0] == "*")
+                       {
+                               FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(TYPE_OTHER,NULL,params[1],params[2]));
+                       }
+                       else if (*(params[0].c_str()) == '#')
                        {
                                chanrec* c = Srv->FindChannel(params[0]);
                                if (c)
                                {
-                                       FOREACH_MOD OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2]);
+                                       FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2]));
                                }
                        }
-                       else
+                       else if (*(params[0].c_str()) != '#')
                        {
                                userrec* u = Srv->FindNick(params[0]);
                                if (u)
                                {
-                                       FOREACH_MOD OnDecodeMetaData(TYPE_USER,u,params[1],params[2]);
+                                       FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(TYPE_USER,u,params[1],params[2]));
                                }
                        }
                }
+
                params[2] = ":" + params[2];
                DoOneToAllButSender(prefix,"METADATA",params,prefix);
                return true;
@@ -1282,7 +1684,9 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 1)
                        return true;
+
                TreeServer* ServerSource = FindServer(prefix);
+
                if (ServerSource)
                {
                        ServerSource->SetVersion(params[0]);
@@ -1296,7 +1700,9 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 1)
                        return true;
+
                userrec* u = Srv->FindNick(prefix);
+
                if (u)
                {
                        Srv->ChangeHost(u,params[0]);
@@ -1309,42 +1715,56 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 6)
                        return true;
-               std::string linetype = params[0]; /* Z, Q, E, G, K */
-               std::string mask = params[1]; /* Line type dependent */
-               std::string source = params[2]; /* may not be online or may be a server */
-               std::string settime = params[3]; /* EPOCH time set */
-               std::string duration = params[4]; /* Duration secs */
-               std::string reason = params[5];
 
-               switch (*(linetype.c_str()))
+               bool propogate = false;
+
+               switch (*(params[0].c_str()))
                {
                        case 'Z':
-                               add_zline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
-                               zline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
+                               propogate = add_zline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
+                               zline_set_creation_time((char*)params[1].c_str(), atoi(params[3].c_str()));
                        break;
                        case 'Q':
-                               add_qline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
-                               qline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
+                               propogate = add_qline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
+                               qline_set_creation_time((char*)params[1].c_str(), atoi(params[3].c_str()));
                        break;
                        case 'E':
-                               add_eline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
-                               eline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
+                               propogate = add_eline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
+                               eline_set_creation_time((char*)params[1].c_str(), atoi(params[3].c_str()));
                        break;
                        case 'G':
-                               add_gline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
-                               gline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
+                               propogate = add_gline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
+                               gline_set_creation_time((char*)params[1].c_str(), atoi(params[3].c_str()));
                        break;
                        case 'K':
-                               add_kline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
+                               propogate = add_kline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
                        break;
                        default:
                                /* Just in case... */
-                               Srv->SendOpers("*** \2WARNING\2: Invalid xline type '"+linetype+"' sent by server "+prefix+", ignored!");
+                               Srv->SendOpers("*** \2WARNING\2: Invalid xline type '"+params[0]+"' sent by server "+prefix+", ignored!");
+                               propogate = false;
                        break;
                }
+
                /* Send it on its way */
-               params[5] = ":" + params[5];
-               DoOneToAllButSender(prefix,"ADDLINE",params,prefix);
+               if (propogate)
+               {
+                       if (atoi(params[4].c_str()))
+                       {
+                               WriteOpers("*** %s Added %cLINE on %s to expire in %lu seconds (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),atoi(params[4].c_str()),params[5].c_str());
+                       }
+                       else
+                       {
+                               WriteOpers("*** %s Added permenant %cLINE on %s (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),params[5].c_str());
+                       }
+                       params[5] = ":" + params[5];
+                       DoOneToAllButSender(prefix,"ADDLINE",params,prefix);
+               }
+               if (!this->bursting)
+               {
+                       log(DEBUG,"Applying lines...");
+                       apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
+               }
                return true;
        }
 
@@ -1352,7 +1772,9 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 1)
                        return true;
+
                userrec* u = Srv->FindNick(prefix);
+
                if (u)
                {
                        Srv->ChangeGECOS(u,params[0]);
@@ -1366,8 +1788,10 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 1)
                        return true;
+
                log(DEBUG,"In IDLE command");
                userrec* u = Srv->FindNick(prefix);
+
                if (u)
                {
                        log(DEBUG,"USER EXISTS: %s",u->nick);
@@ -1375,7 +1799,7 @@ class TreeSocket : public InspSocket
                        if (params.size() == 1)
                        {
                                userrec* x = Srv->FindNick(params[0]);
-                               if (std::string(x->server) == Srv->GetServerName())
+                               if ((x) && (x->fd > -1))
                                {
                                        userrec* x = Srv->FindNick(params[0]);
                                        log(DEBUG,"Got IDLE");
@@ -1401,14 +1825,14 @@ class TreeSocket : public InspSocket
                        {
                                std::string who_did_the_whois = params[0];
                                userrec* who_to_send_to = Srv->FindNick(who_did_the_whois);
-                               if (std::string(who_to_send_to->server) == Srv->GetServerName())
+                               if ((who_to_send_to) && (who_to_send_to->fd > -1))
                                {
                                        log(DEBUG,"Got final IDLE");
                                        // an incoming reply to a whois we sent out
                                        std::string nick_whoised = prefix;
                                        unsigned long signon = atoi(params[1].c_str());
                                        unsigned long idle = atoi(params[2].c_str());
-                                       if ((who_to_send_to) && (std::string(who_to_send_to->server) == Srv->GetServerName()))
+                                       if ((who_to_send_to) && (who_to_send_to->fd > -1))
                                                do_whois(who_to_send_to,u,signon,idle,(char*)nick_whoised.c_str());
                                }
                                else
@@ -1420,25 +1844,126 @@ class TreeSocket : public InspSocket
                }
                return true;
        }
+
+       bool Push(std::string prefix, std::deque<std::string> &params)
+       {
+               if (params.size() < 2)
+                       return true;
+
+               userrec* u = Srv->FindNick(params[0]);
+
+               if (IS_LOCAL(u))
+               {
+                       // push the raw to the user
+                       if (Srv->IsUlined(prefix))
+                       {
+                               ::Write(u->fd,"%s",params[1].c_str());
+                       }
+                       else
+                       {
+                               log(DEBUG,"PUSH from non-ulined server dropped into the bit-bucket:  :%s PUSH %s :%s",prefix.c_str(),params[0].c_str(),params[1].c_str());
+                       }
+               }
+               else
+               {
+                       // continue the raw onwards
+                       params[1] = ":" + params[1];
+                       DoOneToOne(prefix,"PUSH",params,u->server);
+               }
+               return true;
+       }
+
+       bool Time(std::string prefix, std::deque<std::string> &params)
+       {
+               // :source.server TIME remote.server sendernick
+               // :remote.server TIME source.server sendernick TS
+               if (params.size() == 2)
+               {
+                       // someone querying our time?
+                       if (Srv->GetServerName() == params[0])
+                       {
+                               userrec* u = Srv->FindNick(params[1]);
+                               if (u)
+                               {
+                                       char curtime[256];
+                                       snprintf(curtime,256,"%lu",(unsigned long)time(NULL));
+                                       params.push_back(curtime);
+                                       params[0] = prefix;
+                                       DoOneToOne(Srv->GetServerName(),"TIME",params,params[0]);
+                               }
+                       }
+                       else
+                       {
+                               // not us, pass it on
+                               userrec* u = Srv->FindNick(params[1]);
+                               if (u)
+                                       DoOneToOne(prefix,"TIME",params,params[0]);
+                       }
+               }
+               else if (params.size() == 3)
+               {
+                       // a response to a previous TIME
+                       userrec* u = Srv->FindNick(params[1]);
+                       if ((u) && (IS_LOCAL(u)))
+                       {
+                       time_t rawtime = atol(params[2].c_str());
+                       struct tm * timeinfo;
+                       timeinfo = localtime(&rawtime);
+                               char tms[26];
+                               snprintf(tms,26,"%s",asctime(timeinfo));
+                               tms[24] = 0;
+                       WriteServ(u->fd,"391 %s %s :%s",u->nick,prefix.c_str(),tms);
+                       }
+                       else
+                       {
+                               if (u)
+                                       DoOneToOne(prefix,"TIME",params,u->server);
+                       }
+               }
+               return true;
+       }
        
        bool LocalPing(std::string prefix, std::deque<std::string> &params)
        {
                if (params.size() < 1)
                        return true;
-               std::string stufftobounce = params[0];
-               this->WriteLine(":"+Srv->GetServerName()+" PONG "+stufftobounce);
-               return true;
+
+               if (params.size() == 1)
+               {
+                       std::string stufftobounce = params[0];
+                       this->WriteLine(":"+Srv->GetServerName()+" PONG "+stufftobounce);
+                       return true;
+               }
+               else
+               {
+                       std::string forwardto = params[1];
+                       if (forwardto == Srv->GetServerName())
+                       {
+                               // this is a ping for us, send back PONG to the requesting server
+                               params[1] = params[0];
+                               params[0] = forwardto;
+                               DoOneToOne(forwardto,"PONG",params,params[1]);
+                       }
+                       else
+                       {
+                               // not for us, pass it on :)
+                               DoOneToOne(prefix,"PING",params,forwardto);
+                       }
+                       return true;
+               }
        }
 
        bool RemoteServer(std::string prefix, std::deque<std::string> &params)
        {
                if (params.size() < 4)
                        return false;
+
                std::string servername = params[0];
                std::string password = params[1];
                // hopcount is not used for a remote server, we calculate this ourselves
                std::string description = params[3];
                TreeServer* ParentOfThis = FindServer(prefix);
+
                if (!ParentOfThis)
                {
                        this->WriteLine("ERROR :Protocol error - Introduced remote server from unknown server "+prefix);
@@ -1448,6 +1973,7 @@ class TreeSocket : public InspSocket
                if (CheckDupe)
                {
                        this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
+                       Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
                        return false;
                }
                TreeServer* Node = new TreeServer(servername,description,ParentOfThis,NULL);
@@ -1462,12 +1988,15 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 4)
                        return false;
+
                std::string servername = params[0];
                std::string password = params[1];
                int hops = atoi(params[2].c_str());
+
                if (hops)
                {
                        this->WriteLine("ERROR :Server too far away for authentication");
+                       Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, server is too far away for authentication");
                        return false;
                }
                std::string description = params[3];
@@ -1479,6 +2008,7 @@ class TreeSocket : public InspSocket
                                if (CheckDupe)
                                {
                                        this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
+                                       Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
                                        return false;
                                }
                                // Begin the sync here. this kickstarts the
@@ -1499,6 +2029,7 @@ class TreeSocket : public InspSocket
                        }
                }
                this->WriteLine("ERROR :Invalid credentials");
+               Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, invalid link credentials");
                return false;
        }
 
@@ -1506,12 +2037,15 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 4)
                        return false;
+
                std::string servername = params[0];
                std::string password = params[1];
                int hops = atoi(params[2].c_str());
+
                if (hops)
                {
                        this->WriteLine("ERROR :Server too far away for authentication");
+                       Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, server is too far away for authentication");
                        return false;
                }
                std::string description = params[3];
@@ -1523,9 +2057,20 @@ class TreeSocket : public InspSocket
                                if (CheckDupe)
                                {
                                        this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
+                                       Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
+                                       return false;
+                               }
+                               /* If the config says this link is encrypted, but the remote side
+                                * hasnt bothered to send the AES command before SERVER, then we
+                                * boot them off as we MUST have this connection encrypted.
+                                */
+                               if ((x->EncryptionKey != "") && (!this->ctx_in))
+                               {
+                                       this->WriteLine("ERROR :This link requires AES encryption to be enabled. Plaintext connection refused.");
+                                       Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, remote server did not enable AES.");
                                        return false;
                                }
-                               Srv->SendOpers("*** Verified incoming server connection from \002"+servername+"\002["+this->GetIP()+"] ("+description+")");
+                               Srv->SendOpers("*** Verified incoming server connection from \002"+servername+"\002["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] ("+description+")");
                                this->InboundServerName = servername;
                                this->InboundDescription = description;
                                // this is good. Send our details: Our server name and description and hopcount of 0,
@@ -1537,76 +2082,100 @@ class TreeSocket : public InspSocket
                        }
                }
                this->WriteLine("ERROR :Invalid credentials");
+               Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, invalid link credentials");
                return false;
        }
 
        void Split(std::string line, bool stripcolon, std::deque<std::string> &n)
        {
+               // we don't do anything with a line > 2048
+               if (line.length() > 2048)
+               {
+                       log(DEBUG,"Line too long!");
+                       return;
+               }
                if (!strchr(line.c_str(),' '))
                {
                        n.push_back(line);
                        return;
                }
                std::stringstream s(line);
-               std::string param = "";
+               int count = 0;
+               char param[1024];
+               char* pptr = param;
+
                n.clear();
                int item = 0;
                while (!s.eof())
                {
-                       char c;
+                       char c = 0;
                        s.get(c);
                        if (c == ' ')
                        {
-                               n.push_back(param);
-                               param = "";
+                               *pptr = 0;
+                               if (*param)
+                                       n.push_back(param);
+                               *param = count = 0;
+                               pptr = param;
                                item++;
                        }
                        else
                        {
                                if (!s.eof())
                                {
-                                       param = param + c;
+                                       *pptr++ = c;
+                                       count++;
                                }
-                               if ((param == ":") && (item > 0))
+                               if ((*param == ':') && (count == 1) && (item > 0))
                                {
-                                       param = "";
+                                       *param = count = 0;
+                                       pptr = param;
                                        while (!s.eof())
                                        {
                                                s.get(c);
                                                if (!s.eof())
                                                {
-                                                       param = param + c;
+                                                       *pptr++ = c;
+                                                       count++;
                                                }
                                        }
+                                       *pptr = 0;
                                        n.push_back(param);
-                                       param = "";
+                                       *param = count = 0;
+                                       pptr = param;
                                }
                        }
                }
-               if (param != "")
+               *pptr = 0;
+               if (*param)
                {
                        n.push_back(param);
                }
+
                return;
        }
 
        bool ProcessLine(std::string line)
        {
                char* l = (char*)line.c_str();
-               while ((strlen(l)) && (l[strlen(l)-1] == '\r') || (l[strlen(l)-1] == '\n'))
-                       l[strlen(l)-1] = '\0';
-               line = l;
-               if (line == "")
+               for (char* x = l; *x; x++)
+               {
+                       if ((*x == '\r') || (*x == '\n'))
+                               *x = 0;
+               }
+               if (!*l)
                        return true;
-               Srv->Log(DEBUG,"IN: '"+line+"'");
+
+               log(DEBUG,"IN: %s",l);
+
                std::deque<std::string> params;
-               this->Split(line,true,params);
-               std::string command = "";
+               this->Split(l,true,params);
+               irc::string command = "";
                std::string prefix = "";
                if (((params[0].c_str())[0] == ':') && (params.size() > 1))
                {
                        prefix = params[0];
-                       command = params[1];
+                       command = params[1].c_str();
                        char* pref = (char*)prefix.c_str();
                        prefix = ++pref;
                        params.pop_front();
@@ -1615,10 +2184,28 @@ class TreeSocket : public InspSocket
                else
                {
                        prefix = "";
-                       command = params[0];
+                       command = params[0].c_str();
                        params.pop_front();
                }
-               
+
+               if ((!this->ctx_in) && (command == "AES"))
+               {
+                       std::string sserv = params[0];
+                       for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
+                       {
+                               if ((x->EncryptionKey != "") && (x->Name == sserv))
+                               {
+                                       this->InitAES(x->EncryptionKey,sserv);
+                               }
+                       }
+
+                       return true;
+               }
+               else if ((this->ctx_in) && (command == "AES"))
+               {
+                       WriteOpers("*** \2AES\2: Encryption already enabled on this connection yet %s is trying to enable it twice!",params[0].c_str());
+               }
+
                switch (this->LinkState)
                {
                        TreeServer* Node;
@@ -1629,7 +2216,11 @@ class TreeSocket : public InspSocket
                                // replies with theirs if its happy, then if the initiator is happy,
                                // it starts to send its net sync, which starts the merge, otherwise
                                // it sends an ERROR.
-                               if (command == "SERVER")
+                               if (command == "PASS")
+                               {
+                                       /* Silently ignored */
+                               }
+                               else if (command == "SERVER")
                                {
                                        return this->Inbound_Server(params);
                                }
@@ -1637,6 +2228,25 @@ class TreeSocket : public InspSocket
                                {
                                        return this->Error(params);
                                }
+                               else if (command == "USER")
+                               {
+                                       this->WriteLine("ERROR :Client connections to this port are prohibited.");
+                                       return false;
+                               }
+                               else if (command == "CAPAB")
+                               {
+                                       return this->Capab(params);
+                               }
+                               else if ((command == "U") || (command == "S"))
+                               {
+                                       this->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!");
+                                       return false;
+                               }
+                               else
+                               {
+                                       this->WriteLine("ERROR :Invalid command in negotiation phase.");
+                                       return false;
+                               }
                        break;
                        case WAIT_AUTH_2:
                                // Waiting for start of other side's netmerge to say they liked our
@@ -1647,11 +2257,32 @@ class TreeSocket : public InspSocket
                                        // silently ignore.
                                        return true;
                                }
+                               else if ((command == "U") || (command == "S"))
+                               {
+                                       this->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!");
+                                       return false;
+                               }
                                else if (command == "BURST")
                                {
+                                       if (params.size())
+                                       {
+                                               /* If a time stamp is provided, try and check syncronization */
+                                               time_t THEM = atoi(params[0].c_str());
+                                               long delta = THEM-time(NULL);
+                                               if ((delta < -600) || (delta > 600))
+                                               {
+                                                       WriteOpers("*** \2ERROR\2: Your clocks are out by %d seconds (this is more than ten minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta));
+                                                       this->WriteLine("ERROR :Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than ten minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!");
+                                                       return false;
+                                               }
+                                               else if ((delta < -60) || (delta > 60))
+                                               {
+                                                       WriteOpers("*** \2WARNING\2: Your clocks are out by %d seconds, please consider synching your clocks.",abs(delta));
+                                               }
+                                       }
                                        this->LinkState = CONNECTED;
                                        Node = new TreeServer(InboundServerName,InboundDescription,TreeRoot,this);
-                                       TreeRoot->AddChild(Node);
+                                       TreeRoot->AddChild(Node);
                                        params.clear();
                                        params.push_back(InboundServerName);
                                        params.push_back("*");
@@ -1659,12 +2290,16 @@ class TreeSocket : public InspSocket
                                        params.push_back(":"+InboundDescription);
                                        DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,InboundServerName);
                                        this->bursting = true;
-                                       this->DoBurst(Node);
+                                       this->DoBurst(Node);
                                }
                                else if (command == "ERROR")
                                {
                                        return this->Error(params);
                                }
+                               else if (command == "CAPAB")
+                               {
+                                       return this->Capab(params);
+                               }
                                
                        break;
                        case LISTENER:
@@ -1703,16 +2338,16 @@ class TreeSocket : public InspSocket
                                        if ((!route_back_again) || (route_back_again->GetSocket() != this))
                                        {
                                                if (route_back_again)
-                                               {
-                                                       WriteOpers("Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
-                                               }
-                                               else
-                                               {
-                                                       WriteOpers("Protocol violation: Invalid source '%s' in command '%s' from connection '%s'",direction.c_str(),line.c_str(),this->GetName().c_str());
-                                               }
-                                               
+                                                       log(DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
                                                return true;
                                        }
+
+                                       /* Fix by brain:
+                                        * When there is activity on the socket, reset the ping counter so
+                                        * that we're not wasting bandwidth pinging an active server.
+                                        */ 
+                                       route_back_again->SetNextPingTime(time(NULL) + 120);
+                                       route_back_again->SetPingFlag();
                                }
                                
                                if (command == "SVSMODE")
@@ -1769,10 +2404,38 @@ class TreeSocket : public InspSocket
                                }
                                else if (command == "PING")
                                {
+                                       /*
+                                        * We just got a ping from a server that's bursting.
+                                        * This can't be right, so set them to not bursting, and
+                                        * apply their lines.
+                                        */
+                                       if (this->bursting)
+                                       {
+                                               this->bursting = false;
+                                               apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
+                                       }
+                                       if (prefix == "")
+                                       {
+                                               prefix = this->GetName();
+                                       }
                                        return this->LocalPing(prefix,params);
                                }
                                else if (command == "PONG")
                                {
+                                       /*
+                                        * We just got a pong from a server that's bursting.
+                                        * This can't be right, so set them to not bursting, and
+                                        * apply their lines.
+                                        */
+                                       if (this->bursting)
+                                       {
+                                               this->bursting = false;
+                                               apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
+                                       }
+                                       if (prefix == "")
+                                       {
+                                               prefix = this->GetName();
+                                       }
                                        return this->LocalPong(prefix,params);
                                }
                                else if (command == "VERSION")
@@ -1803,6 +2466,32 @@ class TreeSocket : public InspSocket
                                {
                                        return this->Whois(prefix,params);
                                }
+                               else if (command == "PUSH")
+                               {
+                                       return this->Push(prefix,params);
+                               }
+                               else if (command == "TIME")
+                               {
+                                       return this->Time(prefix,params);
+                               }
+                               else if ((command == "KICK") && (IsServer(prefix)))
+                               {
+                                       std::string sourceserv = this->myhost;
+                                       if (params.size() == 3)
+                                       {
+                                               userrec* user = Srv->FindNick(params[1]);
+                                               chanrec* chan = Srv->FindChannel(params[0]);
+                                               if (user && chan)
+                                               {
+                                                       server_kick_channel(user,chan,(char*)params[2].c_str(),false);
+                                               }
+                                       }
+                                       if (this->InboundServerName != "")
+                                       {
+                                               sourceserv = this->InboundServerName;
+                                       }
+                                       return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
+                               }
                                else if (command == "SVSJOIN")
                                {
                                        if (prefix == "")
@@ -1822,6 +2511,13 @@ class TreeSocket : public InspSocket
                                else if (command == "ENDBURST")
                                {
                                        this->bursting = false;
+                                       apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
+                                       std::string sourceserv = this->myhost;
+                                       if (this->InboundServerName != "")
+                                       {
+                                               sourceserv = this->InboundServerName;
+                                       }
+                                       WriteOpers("*** Received end of netburst from \2%s\2",sourceserv.c_str());
                                        return true;
                                }
                                else
@@ -1837,6 +2533,32 @@ class TreeSocket : public InspSocket
                                        }
                                        if (who)
                                        {
+                                               if ((command == "NICK") && (params.size() > 0))
+                                               {
+                                                       /* On nick messages, check that the nick doesnt
+                                                        * already exist here. If it does, kill their copy,
+                                                        * and our copy.
+                                                        */
+                                                       userrec* x = Srv->FindNick(params[0]);
+                                                       if (x)
+                                                       {
+                                                               std::deque<std::string> p;
+                                                               p.push_back(params[0]);
+                                                               p.push_back("Nickname collision ("+prefix+" -> "+params[0]+")");
+                                                               DoOneToMany(Srv->GetServerName(),"KILL",p);
+                                                               p.clear();
+                                                               p.push_back(prefix);
+                                                               p.push_back("Nickname collision");
+                                                               DoOneToMany(Srv->GetServerName(),"KILL",p);
+                                                               Srv->QuitUser(x,"Nickname collision ("+prefix+" -> "+params[0]+")");
+                                                               userrec* y = Srv->FindNick(prefix);
+                                                               if (y)
+                                                               {
+                                                                       Srv->QuitUser(y,"Nickname collision");
+                                                               }
+                                                               return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
+                                                       }
+                                               }
                                                // its a user
                                                target = who->server;
                                                char* strparams[127];
@@ -1844,7 +2566,11 @@ class TreeSocket : public InspSocket
                                                {
                                                        strparams[q] = (char*)params[q].c_str();
                                                }
-                                               Srv->CallCommandHandler(command, strparams, params.size(), who);
+                                               if (!Srv->CallCommandHandler(command.c_str(), strparams, params.size(), who))
+                                               {
+                                                       this->WriteLine("ERROR :Unrecognised command '"+std::string(command.c_str())+"' -- possibly loaded mismatched modules");
+                                                       return false;
+                                               }
                                        }
                                        else
                                        {
@@ -1901,6 +2627,7 @@ class TreeSocket : public InspSocket
                {
                        Squit(s,"Remote host closed the connection");
                }
+               WriteOpers("Server '\2%s\2' closed the connection.",quitserver.c_str());
        }
 
        virtual int OnIncomingConnection(int newsock, char* ip)
@@ -1926,15 +2653,12 @@ void AddThisServer(TreeServer* server, std::deque<TreeServer*> &list)
 // returns a list of DIRECT servernames for a specific channel
 void GetListOfServersForChannel(chanrec* c, std::deque<TreeServer*> &list)
 {
-       std::vector<char*> *ulist = c->GetUsers();
-       unsigned int ucount = ulist->size();
-       for (unsigned int i = 0; i < ucount; i++)
+       CUList *ulist = c->GetUsers();
+       for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
        {
-               char* o = (*ulist)[i];
-               userrec* otheruser = (userrec*)o;
-               if (std::string(otheruser->server) != Srv->GetServerName())
+               if (i->second->fd < 0)
                {
-                       TreeServer* best = BestRouteTo(otheruser->server);
+                       TreeServer* best = BestRouteTo(i->second->server);
                        if (best)
                                AddThisServer(best,list);
                }
@@ -1942,13 +2666,18 @@ void GetListOfServersForChannel(chanrec* c, std::deque<TreeServer*> &list)
        return;
 }
 
-bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, std::string command, std::deque<std::string> &params)
+bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, irc::string command, std::deque<std::string> &params)
 {
        TreeServer* omitroute = BestRouteTo(omit);
        if ((command == "NOTICE") || (command == "PRIVMSG"))
        {
                if ((params.size() >= 2) && (*(params[0].c_str()) != '$'))
                {
+                       /* Prefixes */
+                       if ((*(params[0].c_str()) == '@') || (*(params[0].c_str()) == '%') || (*(params[0].c_str()) == '+'))
+                       {
+                               params[0] = params[0].substr(1, params[0].length()-1);
+                       }
                        if (*(params[0].c_str()) != '#')
                        {
                                // special routing for private messages/notices
@@ -1958,7 +2687,7 @@ bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string pref
                                        std::deque<std::string> par;
                                        par.push_back(params[0]);
                                        par.push_back(":"+params[1]);
-                                       DoOneToOne(prefix,command,par,d->server);
+                                       DoOneToOne(prefix,command.c_str(),par,d->server);
                                        return true;
                                }
                        }
@@ -2103,19 +2832,50 @@ void ReadConfiguration(bool rebind)
                        }
                }
        }
+       FlatLinks = Conf->ReadFlag("options","flatlinks",0);
+       HideULines = Conf->ReadFlag("options","hideulines",0);
        LinkBlocks.clear();
        for (int j =0; j < Conf->Enumerate("link"); j++)
        {
                Link L;
+               char ServerN[MAXBUF];
                L.Name = Conf->ReadValue("link","name",j);
+               strlcpy(ServerN,L.Name.c_str(),MAXBUF);
+               strlower(ServerN);
+               L.Name = ServerN;
                L.IPAddr = Conf->ReadValue("link","ipaddr",j);
                L.Port = Conf->ReadInteger("link","port",j,true);
                L.SendPass = Conf->ReadValue("link","sendpass",j);
                L.RecvPass = Conf->ReadValue("link","recvpass",j);
                L.AutoConnect = Conf->ReadInteger("link","autoconnect",j,true);
+               L.EncryptionKey =  Conf->ReadValue("link","encryptionkey",j);
+               L.HiddenFromStats = Conf->ReadFlag("link","hidden",j);
                L.NextConnectTime = time(NULL) + L.AutoConnect;
-               LinkBlocks.push_back(L);
-               log(DEBUG,"m_spanningtree: Read server %s with host %s:%d",L.Name.c_str(),L.IPAddr.c_str(),L.Port);
+               /* Bugfix by brain, do not allow people to enter bad configurations */
+               if ((L.RecvPass != "") && (L.SendPass != "") && (L.Name != "") && (L.Port))
+               {
+                       LinkBlocks.push_back(L);
+                       log(DEBUG,"m_spanningtree: Read server %s with host %s:%d",L.Name.c_str(),L.IPAddr.c_str(),L.Port);
+               }
+               else
+               {
+                       if (L.RecvPass == "")
+                       {
+                               log(DEFAULT,"Invalid configuration for server '%s', recvpass not defined!",L.Name.c_str());
+                       }
+                       else if (L.SendPass == "")
+                       {
+                               log(DEFAULT,"Invalid configuration for server '%s', sendpass not defined!",L.Name.c_str());
+                       }
+                       else if (L.Name == "")
+                       {
+                               log(DEFAULT,"Invalid configuration, link tag without a name!");
+                       }
+                       else if (!L.Port)
+                       {
+                               log(DEFAULT,"Invalid configuration for server '%s', no port specified!",L.Name.c_str());
+                       }
+               }
        }
        delete Conf;
 }
@@ -2126,11 +2886,14 @@ class ModuleSpanningTree : public Module
        std::vector<TreeSocket*> Bindings;
        int line;
        int NumServers;
+       unsigned int max_local;
+       unsigned int max_global;
+       cmd_rconnect* command_rconnect;
 
  public:
 
        ModuleSpanningTree(Server* Me)
-               : Module::Module(Me)
+               : Module::Module(Me), max_local(0), max_global(0)
        {
                Srv = Me;
                Bindings.clear();
@@ -2139,6 +2902,9 @@ class ModuleSpanningTree : public Module
                TreeRoot = new TreeServer(Srv->GetServerName(),Srv->GetServerDescription());
 
                ReadConfiguration(true);
+
+               command_rconnect = new cmd_rconnect(this);
+               Srv->AddCommand(command_rconnect);
        }
 
        void ShowLinks(TreeServer* Current, userrec* user, int hops)
@@ -2150,9 +2916,22 @@ class ModuleSpanningTree : public Module
                }
                for (unsigned int q = 0; q < Current->ChildCount(); q++)
                {
-                       ShowLinks(Current->GetChild(q),user,hops+1);
+                       if ((HideULines) && (Srv->IsUlined(Current->GetChild(q)->GetName())))
+                       {
+                               if (*user->oper)
+                               {
+                                        ShowLinks(Current->GetChild(q),user,hops+1);
+                               }
+                       }
+                       else
+                       {
+                               ShowLinks(Current->GetChild(q),user,hops+1);
+                       }
                }
-               WriteServ(user->fd,"364 %s %s %s :%d %s",user->nick,Current->GetName().c_str(),Parent.c_str(),hops,Current->GetDesc().c_str());
+               /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
+               if ((HideULines) && (Srv->IsUlined(Current->GetName())) && (!*user->oper))
+                       return;
+               WriteServ(user->fd,"364 %s %s %s :%d %s",user->nick,Current->GetName().c_str(),(FlatLinks && (!*user->oper)) ? Srv->GetServerName().c_str() : Parent.c_str(),(FlatLinks && (!*user->oper)) ? 0 : hops,Current->GetDesc().c_str());
        }
 
        int CountLocalServs()
@@ -2174,17 +2953,27 @@ class ModuleSpanningTree : public Module
 
        void HandleLusers(char** parameters, int pcnt, userrec* user)
        {
-               WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),this->CountServs());
+               unsigned int n_users = usercnt();
+
+               /* Only update these when someone wants to see them, more efficient */
+               if ((unsigned int)local_count() > max_local)
+                       max_local = local_count();
+               if (n_users > max_global)
+                       max_global = n_users;
+
+               WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,n_users-usercount_invisible(),usercount_invisible(),this->CountServs());
                WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
                WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
                WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
                WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),this->CountLocalServs());
+               WriteServ(user->fd,"265 %s :Current Local Users: %d  Max: %d",user->nick,local_count(),max_local);
+               WriteServ(user->fd,"266 %s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
                return;
        }
 
        // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
 
-       void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][80])
+       void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][80], float &totusers, float &totservers)
        {
                if (line < 128)
                {
@@ -2192,11 +2981,48 @@ class ModuleSpanningTree : public Module
                        {
                                matrix[line][t] = ' ';
                        }
-                       strlcpy(&matrix[line][depth],Current->GetName().c_str(),80);
+
+                       // For Aligning, we need to work out exactly how deep this thing is, and produce
+                       // a 'Spacer' String to compensate.
+                       char spacer[40];
+
+                       memset(spacer,' ',40);
+                       if ((40 - Current->GetName().length() - depth) > 1) {
+                               spacer[40 - Current->GetName().length() - depth] = '\0';
+                       }
+                       else
+                       {
+                               spacer[5] = '\0';
+                       }
+
+                       float percent;
+                       char text[80];
+                       if (clientlist.size() == 0) {
+                               // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
+                               percent = 0;
+                       }
+                       else
+                       {
+                               percent = ((float)Current->GetUserCount() / (float)clientlist.size()) * 100;
+                       }
+                       snprintf(text, 80, "%s %s%5d [%5.2f%%]", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent);
+                       totusers += Current->GetUserCount();
+                       totservers++;
+                       strlcpy(&matrix[line][depth],text,80);
                        line++;
                        for (unsigned int q = 0; q < Current->ChildCount(); q++)
                        {
-                               ShowMap(Current->GetChild(q),user,depth+2,matrix);
+                               if ((HideULines) && (Srv->IsUlined(Current->GetChild(q)->GetName())))
+                               {
+                                       if (*user->oper)
+                                       {
+                                               ShowMap(Current->GetChild(q),user,(FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
+                                       }
+                               }
+                               else
+                               {
+                                       ShowMap(Current->GetChild(q),user,(FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
+                               }
                        }
                }
        }
@@ -2215,6 +3041,8 @@ class ModuleSpanningTree : public Module
                // This array represents a virtual screen which we will
                // "scratch" draw to, as the console device of an irc
                // client does not provide for a proper terminal.
+               float totusers = 0;
+               float totservers = 0;
                char matrix[128][80];
                for (unsigned int t = 0; t < 128; t++)
                {
@@ -2222,7 +3050,7 @@ class ModuleSpanningTree : public Module
                }
                line = 0;
                // The only recursive bit is called here.
-               ShowMap(TreeRoot,user,0,matrix);
+               ShowMap(TreeRoot,user,0,matrix,totusers,totservers);
                // Process each line one by one. The algorithm has a limit of
                // 128 servers (which is far more than a spanning tree should have
                // anyway, so we're ok). This limit can be raised simply by making
@@ -2258,7 +3086,9 @@ class ModuleSpanningTree : public Module
                {
                        WriteServ(user->fd,"006 %s :%s",user->nick,&matrix[t][0]);
                }
-               WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
+               float avg_users = totusers / totservers;
+               WriteServ(user->fd,"270 %s :%.0f server%s and %.0f user%s, average %.2f users per server",user->nick,totservers,(totservers > 1 ? "s" : ""),totusers,(totusers > 1 ? "s" : ""),avg_users);
+       WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
                return;
        }
 
@@ -2267,12 +3097,18 @@ class ModuleSpanningTree : public Module
                TreeServer* s = FindServerMask(parameters[0]);
                if (s)
                {
+                       if (s == TreeRoot)
+                       {
+                                WriteServ(user->fd,"NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
+                               return 1;
+                       }
                        TreeSocket* sock = s->GetSocket();
                        if (sock)
                        {
+                               log(DEBUG,"Splitting server %s",s->GetName().c_str());
                                WriteOpers("*** SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
                                sock->Squit(s,"Server quit by "+std::string(user->nick)+"!"+std::string(user->ident)+"@"+std::string(user->host));
-                               sock->Close();
+                               Srv->RemoveSocket(sock);
                        }
                        else
                        {
@@ -2286,12 +3122,36 @@ class ModuleSpanningTree : public Module
                return 1;
        }
 
+       int HandleTime(char** parameters, int pcnt, userrec* user)
+       {
+               if ((user->fd > -1) && (pcnt))
+               {
+                       TreeServer* found = FindServerMask(parameters[0]);
+                       if (found)
+                       {
+                               // we dont' override for local server
+                               if (found == TreeRoot)
+                                       return 0;
+                               
+                               std::deque<std::string> params;
+                               params.push_back(found->GetName());
+                               params.push_back(user->nick);
+                               DoOneToOne(Srv->GetServerName(),"TIME",params,found->GetName());
+                       }
+                       else
+                       {
+                               WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
+                       }
+               }
+               return 1;
+       }
+
        int HandleRemoteWhois(char** parameters, int pcnt, userrec* user)
        {
-               if ((std::string(user->server) == Srv->GetServerName()) && (pcnt > 1))
+               if ((user->fd > -1) && (pcnt > 1))
                {
                        userrec* remote = Srv->FindNick(parameters[1]);
-                       if ((remote) && (std::string(remote->server) != Srv->GetServerName()))
+                       if ((remote) && (remote->fd < 0))
                        {
                                std::deque<std::string> params;
                                params.push_back(parameters[1]);
@@ -2300,8 +3160,8 @@ class ModuleSpanningTree : public Module
                        }
                        else if (!remote)
                        {
-                               WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
-                               WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
+                               WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
+                               WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
                                return 1;
                        }
                }
@@ -2321,14 +3181,14 @@ class ModuleSpanningTree : public Module
                                        if (serv->AnsweredLastPing())
                                        {
                                                sock->WriteLine(":"+Srv->GetServerName()+" PING "+serv->GetName());
-                                               serv->SetNextPingTime(curtime + 60);
+                                               serv->SetNextPingTime(curtime + 120);
                                        }
                                        else
                                        {
                                                // they didnt answer, boot them
                                                WriteOpers("*** Server \002%s\002 pinged out",serv->GetName().c_str());
                                                sock->Squit(serv,"Ping timeout");
-                                               sock->Close();
+                                               Srv->RemoveSocket(sock);
                                                return;
                                        }
                                }
@@ -2350,7 +3210,15 @@ class ModuleSpanningTree : public Module
                                        // an autoconnected server is not connected. Check if its time to connect it
                                        WriteOpers("*** AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
                                        TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name);
-                                       Srv->AddSocket(newsocket);
+                                       if (newsocket->GetState() != I_ERROR)
+                                       {
+                                               Srv->AddSocket(newsocket);
+                                       }
+                                       else
+                                       {
+                                               WriteOpers("*** AUTOCONNECT: Error autoconnecting \002%s\002.",x->Name.c_str());
+                                               delete newsocket;
+                                       }
                                }
                        }
                }
@@ -2364,6 +3232,27 @@ class ModuleSpanningTree : public Module
                {
                        std::string Version = found->GetVersion();
                        WriteServ(user->fd,"351 %s :%s",user->nick,Version.c_str());
+                       if (found == TreeRoot)
+                       {
+                               std::stringstream out(Config->data005);
+                               std::string token = "";
+                               std::string line5 = "";
+                               int token_counter = 0;
+
+                               while (!out.eof())
+                               {
+                                       out >> token;
+                                       line5 = line5 + token + " ";   
+                                       token_counter++;
+
+                                       if ((token_counter >= 13) || (out.eof() == true))
+                                       {
+                                               WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
+                                               line5 = "";
+                                               token_counter = 0;
+                                       }
+                               }
+                       }
                }
                else
                {
@@ -2381,9 +3270,17 @@ class ModuleSpanningTree : public Module
                                TreeServer* CheckDupe = FindServer(x->Name);
                                if (!CheckDupe)
                                {
-                                       WriteServ(user->fd,"NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),x->IPAddr.c_str(),x->Port);
+                                       WriteServ(user->fd,"NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
                                        TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name);
-                                       Srv->AddSocket(newsocket);
+                                       if (newsocket->GetState() != I_ERROR)
+                                       {
+                                               Srv->AddSocket(newsocket);
+                                       }
+                                       else
+                                       {
+                                               WriteServ(user->fd,"NOTICE %s :*** CONNECT: Error connecting \002%s\002.",user->nick,x->Name.c_str());
+                                               delete newsocket;
+                                       }
                                        return 1;
                                }
                                else
@@ -2397,24 +3294,28 @@ class ModuleSpanningTree : public Module
                return 1;
        }
 
-       virtual bool HandleStats(char ** parameters, int pcnt, userrec* user)
+       virtual int OnStats(char statschar, userrec* user)
        {
-               if (*parameters[0] == 'c')
-               {
+               if (statschar == 'c')
+               {
                        for (unsigned int i = 0; i < LinkBlocks.size(); i++)
                        {
-                               WriteServ(user->fd,"213 %s C *@%s * %s %d 0 M",user->nick,LinkBlocks[i].IPAddr.c_str(),LinkBlocks[i].Name.c_str(),LinkBlocks[i].Port);
+                               WriteServ(user->fd,"213 %s C *@%s * %s %d 0 %c%c%c",user->nick,(LinkBlocks[i].HiddenFromStats ? "<hidden>" : LinkBlocks[i].IPAddr).c_str(),LinkBlocks[i].Name.c_str(),LinkBlocks[i].Port,(LinkBlocks[i].EncryptionKey != "" ? 'e' : '-'),(LinkBlocks[i].AutoConnect ? 'a' : '-'),'s');
                                WriteServ(user->fd,"244 %s H * * %s",user->nick,LinkBlocks[i].Name.c_str());
                        }
-                       WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
-                       WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
-                       return true;
+                       WriteServ(user->fd,"219 %s %c :End of /STATS report",user->nick,statschar);
+                       WriteOpers("*** Notice: Stats '%c' requested by %s (%s@%s)",statschar,user->nick,user->ident,user->host);
+                       return 1;
                }
-               return false;
+               return 0;
        }
 
-       virtual int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user)
+       virtual int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user, bool validated)
        {
+               /* If the command doesnt appear to be valid, we dont want to mess with it. */
+               if (!validated)
+                       return 0;
+
                if (command == "CONNECT")
                {
                        return this->HandleConnect(parameters,pcnt,user);
@@ -2423,15 +3324,15 @@ class ModuleSpanningTree : public Module
                {
                        return this->HandleSquit(parameters,pcnt,user);
                }
-               else if (command == "STATS")
-               {
-                       return this->HandleStats(parameters,pcnt,user);
-               }
                else if (command == "MAP")
                {
                        this->HandleMap(parameters,pcnt,user);
                        return 1;
                }
+               else if ((command == "TIME") && (pcnt > 0))
+               {
+                       return this->HandleTime(parameters,pcnt,user);
+               }
                else if (command == "LUSERS")
                {
                        this->HandleLusers(parameters,pcnt,user);
@@ -2475,6 +3376,7 @@ class ModuleSpanningTree : public Module
                                        params.push_back(std::string(parameters[j]));
                                }
                        }
+                       log(DEBUG,"Globally route '%s'",command.c_str());
                        DoOneToMany(user->nick,command,params);
                }
                return 0;
@@ -2491,7 +3393,7 @@ class ModuleSpanningTree : public Module
 
        virtual void OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
        {
-               if (std::string(source->server) == Srv->GetServerName())
+               if (source->fd > -1)
                {
                        std::deque<std::string> params;
                        params.push_back(dest->nick);
@@ -2510,7 +3412,7 @@ class ModuleSpanningTree : public Module
 
        virtual void OnWallops(userrec* user, std::string text)
        {
-               if (std::string(user->server) == Srv->GetServerName())
+               if (user->fd > -1)
                {
                        std::deque<std::string> params;
                        params.push_back(":"+text);
@@ -2518,12 +3420,12 @@ class ModuleSpanningTree : public Module
                }
        }
 
-       virtual void OnUserNotice(userrec* user, void* dest, int target_type, std::string text)
+       virtual void OnUserNotice(userrec* user, void* dest, int target_type, std::string text, char status)
        {
                if (target_type == TYPE_USER)
                {
                        userrec* d = (userrec*)dest;
-                       if ((std::string(d->server) != Srv->GetServerName()) && (std::string(user->server) == Srv->GetServerName()))
+                       if ((d->fd < 0) && (user->fd > -1))
                        {
                                std::deque<std::string> params;
                                params.clear();
@@ -2534,9 +3436,12 @@ class ModuleSpanningTree : public Module
                }
                else
                {
-                       if (std::string(user->server) == Srv->GetServerName())
+                       if (user->fd > -1)
                        {
                                chanrec *c = (chanrec*)dest;
+                               std::string cname = c->name;
+                               if (status)
+                                       cname = status + cname;
                                std::deque<TreeServer*> list;
                                GetListOfServersForChannel(c,list);
                                unsigned int ucount = list.size();
@@ -2544,20 +3449,20 @@ class ModuleSpanningTree : public Module
                                {
                                        TreeSocket* Sock = list[i]->GetSocket();
                                        if (Sock)
-                                               Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+std::string(c->name)+" :"+text);
+                                               Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
                                }
                        }
                }
        }
 
-       virtual void OnUserMessage(userrec* user, void* dest, int target_type, std::string text)
+       virtual void OnUserMessage(userrec* user, void* dest, int target_type, std::string text, char status)
        {
                if (target_type == TYPE_USER)
                {
                        // route private messages which are targetted at clients only to the server
                        // which needs to receive them
                        userrec* d = (userrec*)dest;
-                       if ((std::string(d->server) != Srv->GetServerName()) && (std::string(user->server) == Srv->GetServerName()))
+                       if ((d->fd < 0) && (user->fd > -1))
                        {
                                std::deque<std::string> params;
                                params.clear();
@@ -2568,9 +3473,12 @@ class ModuleSpanningTree : public Module
                }
                else
                {
-                       if (std::string(user->server) == Srv->GetServerName())
+                       if (user->fd > -1)
                        {
                                chanrec *c = (chanrec*)dest;
+                               std::string cname = c->name;
+                               if (status)
+                                       cname = status + cname;
                                std::deque<TreeServer*> list;
                                GetListOfServersForChannel(c,list);
                                unsigned int ucount = list.size();
@@ -2578,7 +3486,7 @@ class ModuleSpanningTree : public Module
                                {
                                        TreeSocket* Sock = list[i]->GetSocket();
                                        if (Sock)
-                                               Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+std::string(c->name)+" :"+text);
+                                               Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
                                }
                        }
                }
@@ -2593,7 +3501,7 @@ class ModuleSpanningTree : public Module
        virtual void OnUserJoin(userrec* user, chanrec* channel)
        {
                // Only do this for local users
-               if (std::string(user->server) == Srv->GetServerName())
+               if (user->fd > -1)
                {
                        std::deque<std::string> params;
                        params.clear();
@@ -2643,12 +3551,14 @@ class ModuleSpanningTree : public Module
                DoOneToMany(user->nick,"FNAME",params);
        }
 
-       virtual void OnUserPart(userrec* user, chanrec* channel)
+       virtual void OnUserPart(userrec* user, chanrec* channel, std::string partmessage)
        {
-               if (std::string(user->server) == Srv->GetServerName())
+               if (user->fd > -1)
                {
                        std::deque<std::string> params;
                        params.push_back(channel->name);
+                       if (partmessage != "")
+                               params.push_back(":"+partmessage);
                        DoOneToMany(user->nick,"PART",params);
                }
        }
@@ -2656,7 +3566,7 @@ class ModuleSpanningTree : public Module
        virtual void OnUserConnect(userrec* user)
        {
                char agestr[MAXBUF];
-               if (std::string(user->server) == Srv->GetServerName())
+               if (user->fd > -1)
                {
                        std::deque<std::string> params;
                        snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
@@ -2666,25 +3576,40 @@ class ModuleSpanningTree : public Module
                        params.push_back(user->dhost);
                        params.push_back(user->ident);
                        params.push_back("+"+std::string(user->modes));
-                       params.push_back(user->ip);
+                       params.push_back((char*)inet_ntoa(user->ip4));
                        params.push_back(":"+std::string(user->fullname));
                        DoOneToMany(Srv->GetServerName(),"NICK",params);
+
+                       // User is Local, change needs to be reflected!
+                       TreeServer* SourceServer = FindServer(user->server);
+                       if (SourceServer)
+                       {
+                               SourceServer->AddUserCount();
+                       }
+
                }
        }
 
        virtual void OnUserQuit(userrec* user, std::string reason)
        {
-               if ((std::string(user->server) == Srv->GetServerName()) && (user->registered == 7))
+               if ((user->fd > -1) && (user->registered == 7))
                {
                        std::deque<std::string> params;
                        params.push_back(":"+reason);
                        DoOneToMany(user->nick,"QUIT",params);
                }
+               // Regardless, We need to modify the user Counts..
+               TreeServer* SourceServer = FindServer(user->server);
+               if (SourceServer)
+               {
+                       SourceServer->DelUserCount();
+               }
+
        }
 
        virtual void OnUserPostNick(userrec* user, std::string oldnick)
        {
-               if (std::string(user->server) == Srv->GetServerName())
+               if (user->fd > -1)
                {
                        std::deque<std::string> params;
                        params.push_back(user->nick);
@@ -2694,7 +3619,7 @@ class ModuleSpanningTree : public Module
 
        virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason)
        {
-               if (std::string(source->server) == Srv->GetServerName())
+               if ((source) && (source->fd > -1))
                {
                        std::deque<std::string> params;
                        params.push_back(chan->name);
@@ -2702,6 +3627,14 @@ class ModuleSpanningTree : public Module
                        params.push_back(":"+reason);
                        DoOneToMany(source->nick,"KICK",params);
                }
+               else if (!source)
+               {
+                       std::deque<std::string> params;
+                       params.push_back(chan->name);
+                       params.push_back(user->nick);
+                       params.push_back(":"+reason);
+                       DoOneToMany(Srv->GetServerName(),"KICK",params);
+               }
        }
 
        virtual void OnRemoteKill(userrec* source, userrec* dest, std::string reason)
@@ -2734,7 +3667,7 @@ class ModuleSpanningTree : public Module
        // locally.
        virtual void OnOper(userrec* user, std::string opertype)
        {
-               if (std::string(user->server) == Srv->GetServerName())
+               if (user->fd > -1)
                {
                        std::deque<std::string> params;
                        params.push_back(opertype);
@@ -2744,7 +3677,7 @@ class ModuleSpanningTree : public Module
 
        void OnLine(userrec* source, std::string host, bool adding, char linetype, long duration, std::string reason)
        {
-               if (std::string(source->server) == Srv->GetServerName())
+               if (source->fd > -1)
                {
                        char type[8];
                        snprintf(type,8,"%cLINE",linetype);
@@ -2810,7 +3743,7 @@ class ModuleSpanningTree : public Module
 
        virtual void OnMode(userrec* user, void* dest, int target_type, std::string text)
        {
-               if ((std::string(user->server) == Srv->GetServerName()) && (user->registered == 7))
+               if ((user->fd > -1) && (user->registered == 7))
                {
                        if (target_type == TYPE_USER)
                        {
@@ -2831,6 +3764,26 @@ class ModuleSpanningTree : public Module
                }
        }
 
+       virtual void OnSetAway(userrec* user)
+       {
+               if (IS_LOCAL(user))
+               {
+                       std::deque<std::string> params;
+                       params.push_back(":"+std::string(user->awaymsg));
+                       DoOneToMany(user->nick,"AWAY",params);
+               }
+       }
+
+       virtual void OnCancelAway(userrec* user)
+       {
+               if (IS_LOCAL(user))
+               {
+                       std::deque<std::string> params;
+                       params.clear();
+                       DoOneToMany(user->nick,"AWAY",params);
+               }
+       }
+
        virtual void ProtoSendMode(void* opaque, int target_type, void* target, std::string modeline)
        {
                TreeSocket* s = (TreeSocket*)opaque;
@@ -2859,7 +3812,11 @@ class ModuleSpanningTree : public Module
                                userrec* u = (userrec*)target;
                                s->WriteLine(":"+Srv->GetServerName()+" METADATA "+u->nick+" "+extname+" :"+extdata);
                        }
-                       else
+                       else if (target_type == TYPE_OTHER)
+                       {
+                               s->WriteLine(":"+Srv->GetServerName()+" METADATA * "+extname+" :"+extdata);
+                       }
+                       else if (target_type == TYPE_CHANNEL)
                        {
                                chanrec* c = (chanrec*)target;
                                s->WriteLine(":"+Srv->GetServerName()+" METADATA "+c->name+" "+extname+" :"+extdata);
@@ -2867,6 +3824,18 @@ class ModuleSpanningTree : public Module
                }
        }
 
+       virtual void OnEvent(Event* event)
+       {
+               if (event->GetEventID() == "send_metadata")
+               {
+                       std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
+                       if (params->size() < 3)
+                               return;
+                       (*params)[2] = ":" + (*params)[2];
+                       DoOneToMany(Srv->GetServerName(),"METADATA",*params);
+               }
+       }
+
        virtual ~ModuleSpanningTree()
        {
        }
@@ -2875,6 +3844,29 @@ class ModuleSpanningTree : public Module
        {
                return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
        }
+
+       void Implements(char* List)
+       {
+               List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
+               List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
+               List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
+               List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
+               List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
+               List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
+               List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = 1;
+       }
+
+       /* It is IMPORTANT that m_spanningtree is the last module in the chain
+        * so that any activity it sees is FINAL, e.g. we arent going to send out
+        * a NICK message before m_cloaking has finished putting the +x on the user,
+        * etc etc.
+        * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
+        * the module call queue.
+        */
+       Priority Prioritize()
+       {
+               return PRIORITY_LAST;
+       }
 };