]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_spanningtree.cpp
Move IsNick, IsIdent into class InspIRCd, update modules that use it.
[user/henk/code/inspircd.git] / src / modules / m_spanningtree.cpp
index c55662f9f036b82234f57aacec70a0d5795b7f61..cd13e5bfd7c0115925bd3cec03577c46288b66fd 100644 (file)
@@ -36,7 +36,6 @@ using namespace std;
 #include "inspircd.h"
 #include "inspstring.h"
 #include "hashcomp.h"
-#include "message.h"
 #include "xline.h"
 #include "typedefs.h"
 #include "cull_list.h"
@@ -65,11 +64,13 @@ using namespace std;
  * we can resort to recursion to walk the tree structure.
  */
 
+using irc::sockets::MatchCIDR;
+
 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;
@@ -91,10 +92,6 @@ 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 */
-extern user_hash clientlist;
-extern chan_hash chanlist;
-
 /* Foward declarations */
 class TreeServer;
 class TreeSocket;
@@ -139,6 +136,8 @@ extern std::vector<ZLine> pzlines;
 extern std::vector<QLine> pqlines;
 extern std::vector<ELine> pelines;
 
+std::vector<std::string> ValidIPs;
+
 class UserManager : public classbase
 {
        uid_hash uids;
@@ -186,6 +185,7 @@ class UserManager : public classbase
        }
 };
 
+
 /* Each server in the tree is represented by one class of
  * type TreeServer. A locally connected TreeServer can
  * have a class of type TreeSocket associated with it, for
@@ -227,7 +227,7 @@ class TreeServer : public classbase
                ServerDesc = "";
                VersionString = "";
                UserCount = OperCount = 0;
-               VersionString = Srv->GetVersion();
+               VersionString = ServerInstance->GetVersionString();
        }
 
        /* We use this constructor only to create the 'root' item, TreeRoot, which
@@ -239,7 +239,7 @@ class TreeServer : public classbase
                Parent = NULL;
                VersionString = "";
                UserCount = OperCount = 0;
-               VersionString = Srv->GetVersion();
+               VersionString = ServerInstance->GetVersionString();
                Route = NULL;
                Socket = NULL; /* Fix by brain */
                AddHashEntry();
@@ -315,7 +315,7 @@ class TreeServer : public classbase
                log(DEBUG,"Removing all users from server %s",this->ServerName.c_str());
                const char* reason_s = reason.c_str();
                std::vector<userrec*> time_to_die;
-               for (user_hash::iterator n = clientlist.begin(); n != clientlist.end(); n++)
+               for (user_hash::iterator n = ServerInstance->clientlist.begin(); n != ServerInstance->clientlist.end(); n++)
                {
                        if (!strcmp(n->second->server, this->ServerName.c_str()))
                        {
@@ -327,7 +327,7 @@ class TreeServer : public classbase
                        userrec* a = (userrec*)*n;
                        log(DEBUG,"Kill %s fd=%d",a->nick,a->fd);
                        if (!IS_LOCAL(a))
-                               kill_link(a,reason_s);
+                               userrec::QuitUser(ServerInstance,a,reason_s);
                }
                return time_to_die.size();
        }
@@ -611,12 +611,12 @@ class cmd_rconnect : public command_t
 
        void Handle (const 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]);
+               user->WriteServ("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]))
+               if (Srv->MatchText(ServerInstance->Config->ServerName,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]);
+                       ServerInstance->WriteOpers("*** Remote CONNECT from %s matching \002%s\002, connecting server \002%s\002",user->nick,parameters[0],parameters[1]);
                        const char* para[1];
                        para[0] = parameters[1];
                        Creator->OnPreCommand("CONNECT", para, 1, user, true);
@@ -661,8 +661,8 @@ class TreeSocket : public InspSocket
         * most of the action, and append a few of our own values
         * to it.
         */
-       TreeSocket(std::string host, int port, bool listening, unsigned long maxtime)
-               : InspSocket(host, port, listening, maxtime)
+       TreeSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime)
+               : InspSocket(SI, host, port, listening, maxtime)
        {
                myhost = host;
                this->LinkState = LISTENER;
@@ -670,8 +670,8 @@ class TreeSocket : public InspSocket
                this->ctx_out = NULL;
        }
 
-       TreeSocket(std::string host, int port, bool listening, unsigned long maxtime, std::string ServerName)
-               : InspSocket(host, port, listening, maxtime)
+       TreeSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, std::string ServerName)
+               : InspSocket(SI, host, port, listening, maxtime)
        {
                myhost = ServerName;
                this->LinkState = CONNECTING;
@@ -683,8 +683,8 @@ class TreeSocket : public InspSocket
         * we must associate it with a socket without creating a new
         * connection. This constructor is used for this purpose.
         */
-       TreeSocket(int newfd, char* ip)
-               : InspSocket(newfd, ip)
+       TreeSocket(InspIRCd* SI, int newfd, char* ip)
+               : InspSocket(SI, newfd, ip)
        {
                this->LinkState = WAIT_AUTH_1;
                this->ctx_in = NULL;
@@ -712,12 +712,12 @@ class TreeSocket : public InspSocket
                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!");
+                       ServerInstance->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());
+                       ServerInstance->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\
@@ -740,22 +740,22 @@ class TreeSocket : public InspSocket
                        {
                                if (x->Name == this->myhost)
                                {
-                                       Srv->SendOpers("*** Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] established.");
+                                       ServerInstance->WriteOpers("*** 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.");
+                                                       ServerInstance->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->WriteLine(std::string("AES ")+ServerInstance->Config->ServerName);
                                                        this->InitAES(x->EncryptionKey,x->Name.c_str());
                                                }
                                        }
                                        /* found who we're supposed to be connecting to, send the neccessary gubbins. */
-                                       this->WriteLine("SERVER "+Srv->GetServerName()+" "+x->SendPass+" 0 :"+Srv->GetServerDescription());
+                                       this->WriteLine(std::string("SERVER ")+ServerInstance->Config->ServerName+" "+x->SendPass+" 0 :"+ServerInstance->Config->ServerDesc);
                                        return true;
                                }
                        }
@@ -765,7 +765,7 @@ 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(!)");
+               ServerInstance->WriteOpers("*** Connection to \2"+myhost+"\2 lost link tag(!)");
                return true;
        }
        
@@ -777,7 +777,7 @@ class TreeSocket : public InspSocket
                 */
                if (e == I_ERR_CONNECT)
                {
-                       Srv->SendOpers("*** Connection failed: Connection refused");
+                       ServerInstance->WriteOpers("*** Connection failed: Connection refused");
                }
        }
 
@@ -817,14 +817,13 @@ 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]);
+                               modlist.push_back(ServerInstance->Config->module_names[i]);
                }
                sort(modlist.begin(),modlist.end());
                for (unsigned int i = 0; i < modlist.size(); i++)
@@ -857,10 +856,10 @@ class TreeSocket : public InspSocket
                                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.");
+                       ServerInstance->WriteOpers("*** \2ERROR\2: Server '%s' does not have the same set of modules loaded, cannot link!",quitserver.c_str());
+                       ServerInstance->WriteOpers("*** Our networked module set is: '%s'",this->MyCapabilities().c_str());
+                       ServerInstance->WriteOpers("*** Other server's networked module set is: '%s'",params[0].c_str());
+                       ServerInstance->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;
                }
@@ -904,11 +903,11 @@ class TreeSocket : public InspSocket
                        DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName());
                        if (Current->GetParent() == TreeRoot)
                        {
-                               Srv->SendOpers("Server \002"+Current->GetName()+"\002 split: "+reason);
+                               ServerInstance->WriteOpers("Server \002"+Current->GetName()+"\002 split: "+reason);
                        }
                        else
                        {
-                               Srv->SendOpers("Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
+                               ServerInstance->WriteOpers("Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
                        }
                        num_lost_servers = 0;
                        num_lost_users = 0;
@@ -917,7 +916,7 @@ class TreeSocket : public InspSocket
                        Current->Tidy();
                        Current->GetParent()->DelChild(Current);
                        DELETE(Current);
-                       WriteOpers("Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
+                       ServerInstance->WriteOpers("Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
                }
                else
                {
@@ -939,7 +938,7 @@ class TreeSocket : public InspSocket
                std::string sourceserv;
 
                /* Are we dealing with an FMODE from a user, or from a server? */
-               userrec* who = Srv->FindNick(source);
+               userrec* who = ServerInstance->FindNick(source);
                if (who)
                {
                        /* FMODE from a user, set sourceserv to the users server name */
@@ -948,7 +947,7 @@ class TreeSocket : public InspSocket
                else
                {
                        /* FMODE from a server, create a fake user to receive mode feedback */
-                       who = new userrec();
+                       who = new userrec(ServerInstance);
                        who->fd = FD_MAGIC_NUMBER;
                        smode = true;           /* Setting this flag tells us we should free the userrec later */
                        sourceserv = source;    /* Set sourceserv to the actual source string */
@@ -975,7 +974,7 @@ class TreeSocket : public InspSocket
                                
                }
                 /* Extract the TS value of the object, either userrec or chanrec */
-               userrec* dst = Srv->FindNick(params[0]);
+               userrec* dst = ServerInstance->FindNick(params[0]);
                chanrec* chan = NULL;
                time_t ourTS = 0;
                if (dst)
@@ -984,7 +983,7 @@ class TreeSocket : public InspSocket
                }
                else
                {
-                       chan = Srv->FindChannel(params[0]);
+                       chan = ServerInstance->FindChan(params[0]);
                        if (chan)
                        {
                                ourTS = chan->age;
@@ -1026,7 +1025,7 @@ class TreeSocket : public InspSocket
                                                         */
                                                        mh = ServerInstance->ModeGrok->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
 
-                                                       if ((mh->GetNumParams(adding) > 0) && (!mh->IsListMode()))
+                                                       if ((mh) && (mh->GetNumParams(adding) > 0) && (!mh->IsListMode()))
                                                        {
                                                                /* We only want to do special things to
                                                                 * modes with parameters, we are going to rewrite
@@ -1140,24 +1139,33 @@ class TreeSocket : public InspSocket
                                newparams.push_back(params[0]);
                                newparams.push_back(ConvToStr(ourTS));
                                newparams.push_back(to_bounce+params_to_bounce);
-                               DoOneToOne(Srv->GetServerName(),"FMODE",newparams,sourceserv);
+                               DoOneToOne(ServerInstance->Config->ServerName,"FMODE",newparams,sourceserv);
                        }
 
                        if (to_keep.length())
                        {
-                               n = 0;
+                               unsigned int n = 2;
+                               unsigned int q = 0;
                                modelist[0] = params[0].c_str();
                                modelist[1] = to_keep.c_str();
 
-                               for (unsigned int q = 2; (q < params.size()) && (q < 64); q++)
-                                               modelist[q] = params_to_keep[n++].c_str();
+                               if (params_to_keep.size() > 2)
+                               {
+                                       for (q = 2; (q < params_to_keep.size()) && (q < 64); q++)
+                                       {
+                                               log(DEBUG,"Item %d of %d", q, params_to_keep.size());
+                                               modelist[n++] = params_to_keep[q].c_str();
+                                       }
+                               }
 
                                if (smode)
                                {
+                                       log(DEBUG,"Send mode");
                                        Srv->SendMode(modelist, n+2, who);
                                }
                                else
                                {
+                                       log(DEBUG,"Send mode client");
                                        Srv->CallCommandHandler("MODE", modelist, n+2, who);
                                }
 
@@ -1271,7 +1279,7 @@ class TreeSocket : public InspSocket
                        /* Update the parameters for FMODE with the new 'bounced' string */
                        newparams[2] = modebounce;
                        /* Only send it back the way it came, no need to send it anywhere else */
-                       DoOneToOne(Srv->GetServerName(),"FMODE",newparams,sourceserv);
+                       DoOneToOne(ServerInstance->Config->ServerName,"FMODE",newparams,sourceserv);
                        log(DEBUG,"FMODE bounced intelligently, our TS less than theirs and the other server is NOT a uline.");
                }
                else
@@ -1282,7 +1290,7 @@ class TreeSocket : public InspSocket
                         */
                        if ((Srv->IsUlined(sourceserv)) && (TS > ourTS))
                        {
-                               WriteOpers("\2WARNING!\2 U-Lined server '%s' has bad TS for '%s' (accepted change): \2SYNC YOUR CLOCKS\2 to avoid this notice",sourceserv.c_str(),params[0].c_str());
+                               ServerInstance->WriteOpers("\2WARNING!\2 U-Lined server '%s' has bad TS for '%s' (accepted change): \2SYNC YOUR CLOCKS\2 to avoid this notice",sourceserv.c_str(),params[0].c_str());
                        }
                        /* Allow the mode, route it to either server or user command handling */
                        if (smode)
@@ -1308,7 +1316,7 @@ class TreeSocket : public InspSocket
                time_t ts = atoi(params[1].c_str());
                std::string nsource = source;
 
-               chanrec* c = Srv->FindChannel(params[0]);
+               chanrec* c = ServerInstance->FindChan(params[0]);
                if (c)
                {
                        if ((ts >= c->topicset) || (!*c->topic))
@@ -1323,14 +1331,14 @@ class TreeSocket : public InspSocket
                                 */
                                if (oldtopic != params[3])
                                {
-                                       userrec* user = Srv->FindNick(source);
+                                       userrec* user = ServerInstance->FindNick(source);
                                        if (!user)
                                        {
-                                               WriteChannelWithServ(source.c_str(), c, "TOPIC %s :%s", c->name, c->topic);
+                                               c->WriteChannelWithServ(source.c_str(), "TOPIC %s :%s", c->name, c->topic);
                                        }
                                        else
                                        {
-                                               WriteChannel(c, user, "TOPIC %s :%s", c->name, c->topic);
+                                               c->WriteChannel(user, "TOPIC %s :%s", c->name, c->topic);
                                                nsource = user->server;
                                        }
                                        /* all done, send it on its way */
@@ -1356,7 +1364,7 @@ class TreeSocket : public InspSocket
                memset(&mode_users,0,sizeof(mode_users));
                mode_users[0] = first;
                mode_users[1] = modestring;
-               strcpy(first,"+");
+               strcpy(modestring,"+");
                unsigned int modectr = 2;
                
                userrec* who = NULL;
@@ -1364,7 +1372,7 @@ class TreeSocket : public InspSocket
                time_t TS = atoi(params[1].c_str());
                char* key = "";
                
-               chanrec* chan = Srv->FindChannel(channel);
+               chanrec* chan = ServerInstance->FindChan(channel);
                if (chan)
                {
                        key = chan->key;
@@ -1375,7 +1383,7 @@ class TreeSocket : public InspSocket
                 * channel will let the other side apply their modes.
                 */
                time_t ourTS = time(NULL)+600;
-               chanrec* us = Srv->FindChannel(channel);
+               chanrec* us = ServerInstance->FindChan(channel);
                if (us)
                {
                        ourTS = us->age;
@@ -1415,10 +1423,10 @@ class TreeSocket : public InspSocket
                                                strlcat(modestring,"v",MAXBUF);
                                        break;
                                }
-                               who = Srv->FindNick(usr);
+                               who = ServerInstance->FindNick(usr);
                                if (who)
                                {
-                                       Srv->JoinUserToChannel(who,channel,key);
+                                       chanrec::JoinUser(this->Instance, who, channel.c_str(), true, key);
                                        if (modectr >= (MAXMODES-1))
                                        {
                                                /* theres a mode for this user. push them onto the mode queue, and flush it
@@ -1431,8 +1439,9 @@ class TreeSocket : public InspSocket
                                                        Srv->SendMode((const char**)mode_users,modectr,who);
                                                        if (ourTS != TS)
                                                        {
-                                                               log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us,ourTS,TS);
+                                                               log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us->name,ourTS,TS);
                                                                us->age = TS;
+                                                               ourTS = TS;
                                                        }
                                                }
                                                else
@@ -1449,9 +1458,10 @@ class TreeSocket : public InspSocket
                                                                        params.push_back(ConvToStr(us->age));
                                                                }
                                                                params.push_back(mode_users[x]);
+                                                               
                                                        }
                                                        // tell everyone to bounce the modes. bad modes, bad!
-                                                       DoOneToMany(Srv->GetServerName(),"FMODE",params);
+                                                       DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params);
                                                }
                                                strcpy(mode_users[1],"+");
                                                modectr = 2;
@@ -1462,7 +1472,7 @@ class TreeSocket : public InspSocket
                /* there werent enough modes built up to flush it during FJOIN,
                 * or, there are a number left over. flush them out.
                 */
-               if ((modectr > 2) && (who))
+               if ((modectr > 2) && (who) && (us))
                {
                        if (ourTS >= TS)
                        {
@@ -1470,8 +1480,9 @@ class TreeSocket : public InspSocket
                                Srv->SendMode((const char**)mode_users,modectr,who);
                                if (ourTS != TS)
                                {
-                                       log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us,ourTS,TS);
+                                       log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us->name,ourTS,TS);
                                        us->age = TS;
+                                       ourTS = TS;
                                }
                        }
                        else
@@ -1487,7 +1498,7 @@ class TreeSocket : public InspSocket
                                        }
                                        params.push_back(mode_users[x]);
                                }
-                               DoOneToMany(Srv->GetServerName(),"FMODE",params);
+                               DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params);
                        }
                }
                return true;
@@ -1497,7 +1508,7 @@ class TreeSocket : public InspSocket
        {
                if (params.size() >= 2)
                {
-                       chanrec* c = Srv->FindChannel(params[0]);
+                       chanrec* c = ServerInstance->FindChan(params[0]);
                        if (c)
                        {
                                time_t theirTS = atoi(params[1].c_str());
@@ -1509,7 +1520,7 @@ class TreeSocket : public InspSocket
                                }
                        }
                }
-               DoOneToAllButSender(Srv->GetServerName(),"SYNCTS",params,source);
+               DoOneToAllButSender(ServerInstance->Config->ServerName,"SYNCTS",params,source);
                return true;
        }
 
@@ -1520,11 +1531,11 @@ class TreeSocket : public InspSocket
                        return true;
                if (params.size() > 8)
                {
-                       this->WriteLine(":"+Srv->GetServerName()+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)");
+                       this->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)");
                        return true;
                }
                // NICK age nick host dhost ident +modes ip :gecos
-               //   0   123  4 56   7
+               //       0    1   2     3     4      5   6     7
                time_t age = atoi(params[0].c_str());
                
                /* This used to have a pretty craq'y loop doing the same thing,
@@ -1535,34 +1546,37 @@ class TreeSocket : public InspSocket
                const char* tempnick = params[1].c_str();
                log(DEBUG,"Introduce client %s!%s@%s",tempnick,params[4].c_str(),params[2].c_str());
                
-               user_hash::iterator iter = clientlist.find(tempnick);
+               user_hash::iterator iter = this->Instance->clientlist.find(tempnick);
                
-               if (iter != clientlist.end())
+               if (iter != this->Instance->clientlist.end())
                {
                        // nick collision
                        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");
+                       this->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" KILL "+tempnick+" :Nickname collision");
                        return true;
                }
 
-               clientlist[tempnick] = new userrec();
-               clientlist[tempnick]->fd = FD_MAGIC_NUMBER;
-               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 = FindServerNamePtr(source.c_str());
-               strlcpy(clientlist[tempnick]->ident, params[4].c_str(),IDENTMAX);
-               strlcpy(clientlist[tempnick]->fullname, params[7].c_str(),MAXGECOS);
-               clientlist[tempnick]->registered = REG_ALL;
-               clientlist[tempnick]->signon = age;
+               userrec* _new = new userrec(this->Instance);
+               this->Instance->clientlist[tempnick] = _new;
+               _new->fd = FD_MAGIC_NUMBER;
+               strlcpy(_new->nick, tempnick,NICKMAX-1);
+               strlcpy(_new->host, params[2].c_str(),63);
+               strlcpy(_new->dhost, params[3].c_str(),63);
+               _new->server = this->Instance->FindServerNamePtr(source.c_str());
+               strlcpy(_new->ident, params[4].c_str(),IDENTMAX);
+               strlcpy(_new->fullname, params[7].c_str(),MAXGECOS);
+               _new->registered = REG_ALL;
+               _new->signon = age;
                
                for (std::string::iterator v = params[5].begin(); v != params[5].end(); v++)
-               {
-                       clientlist[tempnick]->modes[(*v)-65] = 1;
-               }
-               inet_aton(params[6].c_str(),&clientlist[tempnick]->ip4);
+                       _new->modes[(*v)-65] = 1;
+
+               if (params[6].find_first_of(":") != std::string::npos)
+                       _new->SetSockAddr(AF_INET6, params[6].c_str(), 0);
+               else
+                       _new->SetSockAddr(AF_INET, params[6].c_str(), 0);
 
-               WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",clientlist[tempnick]->server,clientlist[tempnick]->nick,clientlist[tempnick]->ident,clientlist[tempnick]->host, inet_ntoa(clientlist[tempnick]->ip4));
+               ServerInstance->WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",_new->server,_new->nick,_new->ident,_new->host, _new->GetIPString());
 
                params[7] = ":" + params[7];
                DoOneToAllButSender(source,"NICK",params,source);
@@ -1571,7 +1585,7 @@ class TreeSocket : public InspSocket
                TreeServer* SourceServer = FindServer(source);
                if (SourceServer)
                {
-                       log(DEBUG,"Found source server of %s",clientlist[tempnick]->nick);
+                       log(DEBUG,"Found source server of %s",_new->nick);
                        SourceServer->AddUserCount();
                }
 
@@ -1586,10 +1600,10 @@ class TreeSocket : public InspSocket
        {
                log(DEBUG,"Sending FJOINs to other server for %s",c->name);
                char list[MAXBUF];
-               std::string individual_halfops = ":"+Srv->GetServerName()+" FMODE "+c->name+" "+ConvToStr(c->age);
+               std::string individual_halfops = std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age);
                
                size_t dlen, curlen;
-               dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
+               dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",ServerInstance->Config->ServerName,c->name,(unsigned long)c->age);
                int numusers = 0;
                char* ptr = list + dlen;
 
@@ -1601,7 +1615,7 @@ class TreeSocket : public InspSocket
 
                for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
                {
-                       int x = cflags(i->second,c);
+                       int x = c->GetStatusFlags(i->second);
                        if ((x & UCMODE_HOP) && (x & UCMODE_OP))
                        {
                                specific_halfop.push_back(i->second);
@@ -1635,7 +1649,7 @@ class TreeSocket : public InspSocket
                        if (curlen > (480-NICKMAX))
                        {
                                this->WriteLine(list);
-                               dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
+                               dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",ServerInstance->Config->ServerName,c->name,(unsigned long)c->age);
                                ptr = list + dlen;
                                ptrlen = 0;
                                numusers = 0;
@@ -1643,13 +1657,13 @@ class TreeSocket : public InspSocket
                                {
                                        modes.append("v");
                                        params.append(specific_voice[y]->nick).append(" ");
-                                       //this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+ConvToStr(c->age)+" +v "+specific_voice[y]->nick);
+                                       //this->WriteLine(":"+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" +v "+specific_voice[y]->nick);
                                }
                                for (unsigned int y = 0; y < specific_halfop.size(); y++)
                                {
                                        modes.append("h");
                                        params.append(specific_halfop[y]->nick).append(" ");
-                                       //this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+ConvToStr(c->age)+" +h "+specific_halfop[y]->nick);
+                                       //this->WriteLine(":"+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" +h "+specific_halfop[y]->nick);
                                }
                        }
                }
@@ -1660,13 +1674,13 @@ class TreeSocket : public InspSocket
                        {
                                modes.append("v");
                                params.append(specific_voice[y]->nick).append(" ");
-                               //this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+ConvToStr(c->age)+" +v "+specific_voice[y]->nick);
+                               //this->WriteLine(":"+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" +v "+specific_voice[y]->nick);
                        }
                        for (unsigned int y = 0; y < specific_halfop.size(); y++)
                        {
                                modes.append("h");
                                params.append(specific_halfop[y]->nick).append(" ");
-                               //this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+ConvToStr(c->age)+" +h "+specific_halfop[y]->nick);
+                               //this->WriteLine(":"+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" +h "+specific_halfop[y]->nick);
                        }
                }
                //std::string modes = "";
@@ -1678,14 +1692,14 @@ class TreeSocket : public InspSocket
                 }
                /* XXX: Send each channel mode and its params -- we'll need a method for this in ModeHandler? */
                 //FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(c->second,(Module*)TreeProtocolModule,(void*)this));
-               this->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+ConvToStr(c->age)+" +"+chanmodes(c,true)+modes+" "+params);
+               this->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" +"+c->ChanModes(true)+modes+" "+params);
        }
 
        /* Send G, Q, Z and E lines */
        void SendXLines(TreeServer* Current)
        {
                char data[MAXBUF];
-               std::string n = Srv->GetServerName();
+               std::string n = ServerInstance->Config->ServerName;
                const char* sn = n.c_str();
                int iterations = 0;
                /* Yes, these arent too nice looking, but they get the job done */
@@ -1737,9 +1751,9 @@ class TreeSocket : public InspSocket
                char data[MAXBUF];
                std::deque<std::string> list;
                int iterations = 0;
-               std::string n = Srv->GetServerName();
+               std::string n = ServerInstance->Config->ServerName;
                const char* sn = n.c_str();
-               for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++, iterations++)
+               for (chan_hash::iterator c = this->Instance->chanlist.begin(); c != this->Instance->chanlist.end(); c++, iterations++)
                {
                        SendFJoins(Current, c->second);
                        if (*c->second->topic)
@@ -1763,11 +1777,11 @@ class TreeSocket : public InspSocket
                char data[MAXBUF];
                std::deque<std::string> list;
                int iterations = 0;
-               for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++, iterations++)
+               for (user_hash::iterator u = this->Instance->clientlist.begin(); u != this->Instance->clientlist.end(); u++, iterations++)
                {
                        if (u->second->registered == REG_ALL)
                        {
-                               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->FormatModes(),inet_ntoa(u->second->ip4),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->FormatModes(),u->second->GetIPString(),u->second->fullname);
                                this->WriteLine(data);
                                if (*u->second->oper)
                                {
@@ -1795,18 +1809,14 @@ class TreeSocket : public InspSocket
         */
        void DoBurst(TreeServer* s)
        {
-               /* The calls here to ServerInstance-> 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";
                // Because by the end of the netburst, it  could be gone!
                std::string name = s->GetName();
-               Srv->SendOpers("*** Bursting to \2"+name+"\2.");
+               ServerInstance->WriteOpers("*** Bursting to \2"+name+"\2.");
                this->WriteLine(burst);
                /* send our version string */
-               this->WriteLine(":"+Srv->GetServerName()+" VERSION :"+Srv->GetVersion());
+               this->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" VERSION :"+this->Instance->GetVersionString());
                /* Send server tree */
                this->SendServers(TreeRoot,s,1);
                /* Send users and their oper status */
@@ -1816,7 +1826,7 @@ class TreeSocket : public InspSocket
                this->SendXLines(s);            
                FOREACH_MOD(I_OnSyncOtherMetaData,OnSyncOtherMetaData((Module*)TreeProtocolModule,(void*)this));
                this->WriteLine(endburst);
-               Srv->SendOpers("*** Finished bursting to \2"+name+"\2.");
+               ServerInstance->WriteOpers("*** Finished bursting to \2"+name+"\2.");
        }
 
        /* This function is called when we receive data from a remote
@@ -1912,7 +1922,7 @@ class TreeSocket : public InspSocket
        {
                if (params.size() < 1)
                        return false;
-               WriteOpers("*** ERROR from %s: %s",(InboundServerName != "" ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
+               ServerInstance->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;
        }
@@ -1924,11 +1934,11 @@ class TreeSocket : public InspSocket
                 */
                if (params.size() > 1)
                {
-                       if (Srv->MatchText(Srv->GetServerName(), params[1]))
+                       if (Srv->MatchText(ServerInstance->Config->ServerName, params[1]))
                        {
                                /* It's for our server */
                                string_list results;
-                               userrec* source = Srv->FindNick(prefix);
+                               userrec* source = ServerInstance->FindNick(prefix);
                                if (source)
                                {
                                        std::deque<std::string> par;
@@ -1938,14 +1948,14 @@ class TreeSocket : public InspSocket
                                        for (size_t i = 0; i < results.size(); i++)
                                        {
                                                par[1] = "::" + results[i];
-                                               DoOneToOne(Srv->GetServerName(), "PUSH",par, source->server);
+                                               DoOneToOne(ServerInstance->Config->ServerName, "PUSH",par, source->server);
                                        }
                                }
                        }
                        else
                        {
                                /* Pass it on */
-                               userrec* source = Srv->FindNick(prefix);
+                               userrec* source = ServerInstance->FindNick(prefix);
                                if (source)
                                        DoOneToOne(prefix, "STATS", params, params[1]);
                        }
@@ -1965,7 +1975,7 @@ class TreeSocket : public InspSocket
                        return true;
                }
                std::string opertype = params[0];
-               userrec* u = Srv->FindNick(prefix);
+               userrec* u = ServerInstance->FindNick(prefix);
                if (u)
                {
                        u->modes[UM_OPERATOR] = 1;
@@ -1983,7 +1993,7 @@ class TreeSocket : public InspSocket
                if (params.size() < 3)
                        return true;
 
-               userrec* u = Srv->FindNick(params[0]);
+               userrec* u = ServerInstance->FindNick(params[0]);
 
                if (u)
                {
@@ -1995,7 +2005,11 @@ class TreeSocket : public InspSocket
                                /* This is not required as one is sent in OnUserPostNick below
                                 */
                                //DoOneToMany(u->nick,"NICK",par);
-                               Srv->ChangeUserNick(u,params[1]);
+                               if (!u->ForceNickChange(params[1].c_str()))
+                               {
+                                       userrec::QuitUser(this->Instance, u, "Nickname collision");
+                                       return true;
+                               }
                                u->age = atoi(params[2].c_str());
                        }
                }
@@ -2007,11 +2021,11 @@ class TreeSocket : public InspSocket
                if (params.size() < 2)
                        return true;
 
-               userrec* u = Srv->FindNick(params[0]);
+               userrec* u = ServerInstance->FindNick(params[0]);
 
                if (u)
                {
-                       Srv->JoinUserToChannel(u,params[1],"");
+                       chanrec::JoinUser(this->Instance, u, params[1].c_str(), false);
                        DoOneToAllButSender(prefix,"SVSJOIN",params,prefix);
                }
                return true;
@@ -2024,9 +2038,9 @@ class TreeSocket : public InspSocket
 
                std::string servermask = params[0];
 
-               if (Srv->MatchText(Srv->GetServerName(),servermask))
+               if (Srv->MatchText(ServerInstance->Config->ServerName,servermask))
                {
-                       Srv->SendOpers("*** Remote rehash initiated from server \002"+prefix+"\002.");
+                       ServerInstance->WriteOpers("*** Remote rehash initiated from server \002"+prefix+"\002.");
                        Srv->RehashServer();
                        ReadConfiguration(false);
                }
@@ -2040,8 +2054,8 @@ class TreeSocket : public InspSocket
                        return true;
 
                std::string nick = params[0];
-               userrec* u = Srv->FindNick(prefix);
-               userrec* who = Srv->FindNick(nick);
+               userrec* u = ServerInstance->FindNick(prefix);
+               userrec* who = ServerInstance->FindNick(nick);
 
                if (who)
                {
@@ -2058,8 +2072,8 @@ class TreeSocket : public InspSocket
                        std::string reason = params[1];
                        params[1] = ":" + params[1];
                        DoOneToAllButSender(prefix,"KILL",params,sourceserv);
-                       ::Write(who->fd, ":%s KILL %s :%s (%s)", sourceserv.c_str(), who->nick, sourceserv.c_str(), reason.c_str());
-                       Srv->QuitUser(who,reason);
+                       who->Write(":%s KILL %s :%s (%s)", sourceserv.c_str(), who->nick, sourceserv.c_str(), reason.c_str());
+                       userrec::QuitUser(this->Instance,who,reason);
                }
                return true;
        }
@@ -2080,7 +2094,7 @@ class TreeSocket : public InspSocket
                else
                {
                        std::string forwardto = params[1];
-                       if (forwardto == Srv->GetServerName())
+                       if (forwardto == ServerInstance->Config->ServerName)
                        {
                                /*
                                 * this is a PONG for us
@@ -2088,11 +2102,11 @@ class TreeSocket : public InspSocket
                                 * 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);
+                               userrec* u = ServerInstance->FindNick(prefix);
 
                                if (u)
                                {
-                                       WriteServ(u->fd,"PONG %s %s",params[0].c_str(),params[1].c_str());
+                                       u->WriteServ("PONG %s %s",params[0].c_str(),params[1].c_str());
                                }
                        }
                        else
@@ -2120,7 +2134,7 @@ class TreeSocket : public InspSocket
                        }
                        else if (*(params[0].c_str()) == '#')
                        {
-                               chanrec* c = Srv->FindChannel(params[0]);
+                               chanrec* c = ServerInstance->FindChan(params[0]);
                                if (c)
                                {
                                        FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2]));
@@ -2128,7 +2142,7 @@ class TreeSocket : public InspSocket
                        }
                        else if (*(params[0].c_str()) != '#')
                        {
-                               userrec* u = Srv->FindNick(params[0]);
+                               userrec* u = ServerInstance->FindNick(params[0]);
                                if (u)
                                {
                                        FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(TYPE_USER,u,params[1],params[2]));
@@ -2162,11 +2176,11 @@ class TreeSocket : public InspSocket
                if (params.size() < 1)
                        return true;
 
-               userrec* u = Srv->FindNick(prefix);
+               userrec* u = ServerInstance->FindNick(prefix);
 
                if (u)
                {
-                       Srv->ChangeHost(u,params[0]);
+                       u->ChangeDisplayedHost(params[0].c_str());
                        DoOneToAllButSender(prefix,"FHOST",params,u->server);
                }
                return true;
@@ -2202,7 +2216,7 @@ class TreeSocket : public InspSocket
                        break;
                        default:
                                /* Just in case... */
-                               Srv->SendOpers("*** \2WARNING\2: Invalid xline type '"+params[0]+"' sent by server "+prefix+", ignored!");
+                               ServerInstance->WriteOpers("*** \2WARNING\2: Invalid xline type '"+params[0]+"' sent by server "+prefix+", ignored!");
                                propogate = false;
                        break;
                }
@@ -2212,11 +2226,11 @@ class TreeSocket : public InspSocket
                {
                        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());
+                               ServerInstance->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());
+                               ServerInstance->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);
@@ -2234,11 +2248,11 @@ class TreeSocket : public InspSocket
                if (params.size() < 1)
                        return true;
 
-               userrec* u = Srv->FindNick(prefix);
+               userrec* u = ServerInstance->FindNick(prefix);
 
                if (u)
                {
-                       Srv->ChangeGECOS(u,params[0]);
+                       u->ChangeName(params[0].c_str());
                        params[0] = ":" + params[0];
                        DoOneToAllButSender(prefix,"FNAME",params,u->server);
                }
@@ -2251,7 +2265,7 @@ class TreeSocket : public InspSocket
                        return true;
 
                log(DEBUG,"In IDLE command");
-               userrec* u = Srv->FindNick(prefix);
+               userrec* u = ServerInstance->FindNick(prefix);
 
                if (u)
                {
@@ -2259,10 +2273,10 @@ class TreeSocket : public InspSocket
                        // an incoming request
                        if (params.size() == 1)
                        {
-                               userrec* x = Srv->FindNick(params[0]);
+                               userrec* x = ServerInstance->FindNick(params[0]);
                                if ((x) && (IS_LOCAL(x)))
                                {
-                                       userrec* x = Srv->FindNick(params[0]);
+                                       userrec* x = ServerInstance->FindNick(params[0]);
                                        log(DEBUG,"Got IDLE");
                                        char signon[MAXBUF];
                                        char idle[MAXBUF];
@@ -2285,7 +2299,7 @@ class TreeSocket : public InspSocket
                        else if (params.size() == 3)
                        {
                                std::string who_did_the_whois = params[0];
-                               userrec* who_to_send_to = Srv->FindNick(who_did_the_whois);
+                               userrec* who_to_send_to = ServerInstance->FindNick(who_did_the_whois);
                                if ((who_to_send_to) && (IS_LOCAL(who_to_send_to)))
                                {
                                        log(DEBUG,"Got final IDLE");
@@ -2311,14 +2325,14 @@ class TreeSocket : public InspSocket
                if (params.size() < 2)
                        return true;
 
-               userrec* u = Srv->FindNick(params[0]);
+               userrec* u = ServerInstance->FindNick(params[0]);
 
                if (!u)
                        return true;
 
                if (IS_LOCAL(u))
                {
-                       ::Write(u->fd,"%s",params[1].c_str());
+                       u->Write(params[1]);
                }
                else
                {
@@ -2336,22 +2350,22 @@ class TreeSocket : public InspSocket
                if (params.size() == 2)
                {
                        // someone querying our time?
-                       if (Srv->GetServerName() == params[0])
+                       if (ServerInstance->Config->ServerName == params[0])
                        {
-                               userrec* u = Srv->FindNick(params[1]);
+                               userrec* u = ServerInstance->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]);
+                                       DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,params[0]);
                                }
                        }
                        else
                        {
                                // not us, pass it on
-                               userrec* u = Srv->FindNick(params[1]);
+                               userrec* u = ServerInstance->FindNick(params[1]);
                                if (u)
                                        DoOneToOne(prefix,"TIME",params,params[0]);
                        }
@@ -2359,7 +2373,7 @@ class TreeSocket : public InspSocket
                else if (params.size() == 3)
                {
                        // a response to a previous TIME
-                       userrec* u = Srv->FindNick(params[1]);
+                       userrec* u = ServerInstance->FindNick(params[1]);
                        if ((u) && (IS_LOCAL(u)))
                        {
                        time_t rawtime = atol(params[2].c_str());
@@ -2368,7 +2382,7 @@ class TreeSocket : public InspSocket
                                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);
+                       u->WriteServ("391 %s %s :%s",u->nick,prefix.c_str(),tms);
                        }
                        else
                        {
@@ -2387,13 +2401,13 @@ class TreeSocket : public InspSocket
                if (params.size() == 1)
                {
                        std::string stufftobounce = params[0];
-                       this->WriteLine(":"+Srv->GetServerName()+" PONG "+stufftobounce);
+                       this->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PONG "+stufftobounce);
                        return true;
                }
                else
                {
                        std::string forwardto = params[1];
-                       if (forwardto == Srv->GetServerName())
+                       if (forwardto == ServerInstance->Config->ServerName)
                        {
                                // this is a ping for us, send back PONG to the requesting server
                                params[1] = params[0];
@@ -2429,14 +2443,14 @@ class TreeSocket : public InspSocket
                if (CheckDupe)
                {
                        this->WriteLine("ERROR :Server "+servername+" already exists!");
-                       Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, already exists");
+                       ServerInstance->WriteOpers("*** Server connection from \2"+servername+"\2 denied, already exists");
                        return false;
                }
                TreeServer* Node = new TreeServer(servername,description,ParentOfThis,NULL);
                ParentOfThis->AddChild(Node);
                params[3] = ":" + params[3];
                DoOneToAllButSender(prefix,"SERVER",params,prefix);
-               Srv->SendOpers("*** Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")");
+               ServerInstance->WriteOpers("*** Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")");
                return true;
        }
 
@@ -2453,7 +2467,7 @@ class TreeSocket : public InspSocket
                if (hops)
                {
                        this->WriteLine("ERROR :Server too far away for authentication");
-                       Srv->SendOpers("*** Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
+                       ServerInstance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
                        return false;
                }
                std::string description = params[3];
@@ -2465,7 +2479,7 @@ class TreeSocket : public InspSocket
                                if (CheckDupe)
                                {
                                        this->WriteLine("ERROR :Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
-                                       Srv->SendOpers("*** Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
+                                       ServerInstance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
                                        return false;
                                }
                                // Begin the sync here. this kickstarts the
@@ -2486,7 +2500,7 @@ class TreeSocket : public InspSocket
                        }
                }
                this->WriteLine("ERROR :Invalid credentials");
-               Srv->SendOpers("*** Server connection from \2"+sname+"\2 denied, invalid link credentials");
+               ServerInstance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, invalid link credentials");
                return false;
        }
 
@@ -2503,7 +2517,7 @@ class TreeSocket : public InspSocket
                if (hops)
                {
                        this->WriteLine("ERROR :Server too far away for authentication");
-                       Srv->SendOpers("*** Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
+                       ServerInstance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
                        return false;
                }
                std::string description = params[3];
@@ -2515,7 +2529,7 @@ class TreeSocket : public InspSocket
                                if (CheckDupe)
                                {
                                        this->WriteLine("ERROR :Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
-                                       Srv->SendOpers("*** Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
+                                       ServerInstance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
                                        return false;
                                }
                                /* If the config says this link is encrypted, but the remote side
@@ -2525,22 +2539,22 @@ class TreeSocket : public InspSocket
                                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"+sname+"\2 denied, remote server did not enable AES.");
+                                       ServerInstance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, remote server did not enable AES.");
                                        return false;
                                }
-                               Srv->SendOpers("*** Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] ("+description+")");
+                               ServerInstance->WriteOpers("*** Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] ("+description+")");
                                this->InboundServerName = sname;
                                this->InboundDescription = description;
                                // this is good. Send our details: Our server name and description and hopcount of 0,
                                // along with the sendpass from this block.
-                               this->WriteLine("SERVER "+Srv->GetServerName()+" "+x->SendPass+" 0 :"+Srv->GetServerDescription());
+                               this->WriteLine(std::string("SERVER ")+ServerInstance->Config->ServerName+" "+x->SendPass+" 0 :"+ServerInstance->Config->ServerDesc);
                                // move to the next state, we are now waiting for THEM.
                                this->LinkState = WAIT_AUTH_2;
                                return true;
                        }
                }
                this->WriteLine("ERROR :Invalid credentials");
-               Srv->SendOpers("*** Server connection from \2"+sname+"\2 denied, invalid link credentials");
+               ServerInstance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, invalid link credentials");
                return false;
        }
 
@@ -2593,7 +2607,7 @@ class TreeSocket : public InspSocket
                }
                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());
+                       ServerInstance->WriteOpers("*** \2AES\2: Encryption already enabled on this connection yet %s is trying to enable it twice!",params[0].c_str());
                }
 
                switch (this->LinkState)
@@ -2661,13 +2675,13 @@ class TreeSocket : public InspSocket
                                                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));
+                                                       ServerInstance->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));
+                                                       ServerInstance->WriteOpers("*** \2WARNING\2: Your clocks are out by %d seconds, please consider synching your clocks.",abs(delta));
                                                }
                                        }
                                        this->LinkState = CONNECTED;
@@ -2719,7 +2733,7 @@ class TreeSocket : public InspSocket
                                if (prefix != "")
                                {
                                        std::string direction = prefix;
-                                       userrec* t = Srv->FindNick(prefix);
+                                       userrec* t = ServerInstance->FindNick(prefix);
                                        if (t)
                                        {
                                                direction = t->server;
@@ -2873,11 +2887,13 @@ class TreeSocket : public InspSocket
                                        std::string sourceserv = this->myhost;
                                        if (params.size() == 3)
                                        {
-                                               userrec* user = Srv->FindNick(params[1]);
-                                               chanrec* chan = Srv->FindChannel(params[0]);
+                                               userrec* user = ServerInstance->FindNick(params[1]);
+                                               chanrec* chan = ServerInstance->FindChan(params[0]);
                                                if (user && chan)
                                                {
-                                                       server_kick_channel(user,chan,(char*)params[2].c_str(),false);
+                                                       if (!chan->ServerKickUser(user, params[2].c_str(), false))
+                                                               /* Yikes, the channels gone! */
+                                                               delete chan;
                                                }
                                        }
                                        if (this->InboundServerName != "")
@@ -2911,7 +2927,7 @@ class TreeSocket : public InspSocket
                                        {
                                                sourceserv = this->InboundServerName;
                                        }
-                                       WriteOpers("*** Received end of netburst from \2%s\2",sourceserv.c_str());
+                                       ServerInstance->WriteOpers("*** Received end of netburst from \2%s\2",sourceserv.c_str());
                                        return true;
                                }
                                else
@@ -2919,7 +2935,7 @@ class TreeSocket : public InspSocket
                                        // not a special inter-server command.
                                        // Emulate the actual user doing the command,
                                        // this saves us having a huge ugly parser.
-                                       userrec* who = Srv->FindNick(prefix);
+                                       userrec* who = ServerInstance->FindNick(prefix);
                                        std::string sourceserv = this->myhost;
                                        if (this->InboundServerName != "")
                                        {
@@ -2933,22 +2949,22 @@ class TreeSocket : public InspSocket
                                                         * already exist here. If it does, kill their copy,
                                                         * and our copy.
                                                         */
-                                                       userrec* x = Srv->FindNick(params[0]);
+                                                       userrec* x = ServerInstance->FindNick(params[0]);
                                                        if ((x) && (x != who))
                                                        {
                                                                std::deque<std::string> p;
                                                                p.push_back(params[0]);
                                                                p.push_back("Nickname collision ("+prefix+" -> "+params[0]+")");
-                                                               DoOneToMany(Srv->GetServerName(),"KILL",p);
+                                                               DoOneToMany(ServerInstance->Config->ServerName,"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);
+                                                               DoOneToMany(ServerInstance->Config->ServerName,"KILL",p);
+                                                               userrec::QuitUser(this->Instance,x,"Nickname collision ("+prefix+" -> "+params[0]+")");
+                                                               userrec* y = ServerInstance->FindNick(prefix);
                                                                if (y)
                                                                {
-                                                                       Srv->QuitUser(y,"Nickname collision");
+                                                                       userrec::QuitUser(this->Instance,y,"Nickname collision");
                                                                }
                                                                return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
                                                        }
@@ -2971,7 +2987,7 @@ class TreeSocket : public InspSocket
                                                // its not a user. Its either a server, or somethings screwed up.
                                                if (IsServer(prefix))
                                                {
-                                                       target = Srv->GetServerName();
+                                                       target = ServerInstance->Config->ServerName;
                                                }
                                                else
                                                {
@@ -3002,7 +3018,7 @@ class TreeSocket : public InspSocket
        {
                if (this->LinkState == CONNECTING)
                {
-                       Srv->SendOpers("*** CONNECT: Connection to \002"+myhost+"\002 timed out.");
+                       ServerInstance->WriteOpers("*** CONNECT: Connection to \002"+myhost+"\002 timed out.");
                }
        }
 
@@ -3021,7 +3037,7 @@ class TreeSocket : public InspSocket
                {
                        Squit(s,"Remote host closed the connection");
                }
-               WriteOpers("Server '\2%s\2' closed the connection.",quitserver.c_str());
+               ServerInstance->WriteOpers("Server '\2%s\2' closed the connection.",quitserver.c_str());
        }
 
        virtual int OnIncomingConnection(int newsock, char* ip)
@@ -3031,39 +3047,99 @@ class TreeSocket : public InspSocket
                 * IPs for which we don't have a link block.
                 */
                bool found = false;
-               char resolved_host[MAXBUF];
-               vector<Link>::iterator i;
-               for (i = LinkBlocks.begin(); i != LinkBlocks.end(); i++)
+
+               found = (std::find(ValidIPs.begin(), ValidIPs.end(), ip) != ValidIPs.end());
+               if (!found)
                {
-                       if (i->IPAddr == ip)
-                       {
-                               found = true;
-                               break;
-                       }
-                       /* XXX: Fixme: blocks for a very short amount of time,
-                        * we should cache these on rehash/startup
-                        */
-                       if (CleanAndResolve(resolved_host,i->IPAddr.c_str(),true,1))
-                       {
-                               if (std::string(resolved_host) == ip)
-                               {
+                       for (vector<std::string>::iterator i = ValidIPs.begin(); i != ValidIPs.end(); i++)
+                               if (MatchCIDR(ip, (*i).c_str()))
                                        found = true;
-                                       break;
-                               }
+
+                       if (!found)
+                       {
+                               ServerInstance->WriteOpers("Server connection from %s denied (no link blocks with that IP address)", ip);
+                               close(newsock);
+                               return false;
                        }
                }
-               if (!found)
-               {
-                       WriteOpers("Server connection from %s denied (no link blocks with that IP address)", ip);
-                       close(newsock);
-                       return false;
-               }
-               TreeSocket* s = new TreeSocket(newsock, ip);
+               TreeSocket* s = new TreeSocket(this->Instance, newsock, ip);
                Srv->AddSocket(s);
                return true;
        }
 };
 
+/** This class is used to resolve server hostnames during /connect and autoconnect.
+ * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this
+ * resolver step first ourselves if we need it. This is totally nonblocking, and will
+ * callback to OnLookupComplete or OnError when completed. Once it has completed we
+ * will have an IP address which we can then use to continue our connection.
+ */
+class ServernameResolver : public Resolver
+{       
+ private:
+       /** A copy of the Link tag info for what we're connecting to.
+        * We take a copy, rather than using a pointer, just in case the
+        * admin takes the tag away and rehashes while the domain is resolving.
+        */
+       Link MyLink;
+ public:        
+       ServernameResolver(InspIRCd* Instance, const std::string &hostname, Link x) : Resolver(Instance, hostname, DNS_QUERY_FORWARD), MyLink(x)
+       {
+               /* Nothing in here, folks */
+       }
+        
+       void OnLookupComplete(const std::string &result)
+       {
+               /* Initiate the connection, now that we have an IP to use.
+                * Passing a hostname directly to InspSocket causes it to
+                * just bail and set its FD to -1.
+                */
+               TreeServer* CheckDupe = FindServer(MyLink.Name.c_str());
+               if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
+               {
+                       TreeSocket* newsocket = new TreeSocket(ServerInstance, result,MyLink.Port,false,10,MyLink.Name.c_str());
+                       if (newsocket->GetFd() > -1)
+                       {
+                               /* We're all OK */
+                               Srv->AddSocket(newsocket);
+                       }
+                       else
+                       {
+                               /* Something barfed, show the opers */
+                               ServerInstance->WriteOpers("*** CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno));
+                               delete newsocket;
+                       }
+               }
+       }
+
+       void OnError(ResolverError e, const std::string &errormessage)
+       {
+               /* Ooops! */
+               ServerInstance->WriteOpers("*** CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str());
+       }
+};
+
+class SecurityIPResolver : public Resolver
+{
+ private:
+       Link MyLink;
+ public:
+       SecurityIPResolver(InspIRCd* Instance, const std::string &hostname, Link x) : Resolver(Instance, hostname, DNS_QUERY_FORWARD), MyLink(x)
+       {
+       }
+
+       void OnLookupComplete(const std::string &result)
+       {
+               log(DEBUG,"Security IP cache: Adding IP address '%s' for Link '%s'",result.c_str(),MyLink.Name.c_str());
+               ValidIPs.push_back(result);
+       }
+
+       void OnError(ResolverError e, const std::string &errormessage)
+       {
+               log(DEBUG,"Could not resolve IP associated with Link '%s': %s",MyLink.Name.c_str(),errormessage.c_str());
+       }
+};
+
 void AddThisServer(TreeServer* server, std::deque<TreeServer*> &list)
 {
        for (unsigned int c = 0; c < list.size(); c++)
@@ -3107,7 +3183,7 @@ bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string pref
                        if ((*(params[0].c_str()) != '#') && (*(params[0].c_str()) != '$'))
                        {
                                // special routing for private messages/notices
-                               userrec* d = Srv->FindNick(params[0]);
+                               userrec* d = ServerInstance->FindNick(params[0]);
                                if (d)
                                {
                                        std::deque<std::string> par;
@@ -3128,7 +3204,7 @@ bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string pref
                        else
                        {
                                log(DEBUG,"Channel privmsg going to chan %s",params[0].c_str());
-                               chanrec* c = Srv->FindChannel(params[0]);
+                               chanrec* c = ServerInstance->FindChan(params[0]);
                                if (c)
                                {
                                        std::deque<TreeServer*> list;
@@ -3251,7 +3327,7 @@ void ReadConfiguration(bool rebind)
                                {
                                        IP = "";
                                }
-                               TreeSocket* listener = new TreeSocket(IP.c_str(),Port,true,10);
+                               TreeSocket* listener = new TreeSocket(ServerInstance, IP.c_str(),Port,true,10);
                                if (listener->GetState() == I_LISTENING)
                                {
                                        Srv->AddSocket(listener);
@@ -3269,9 +3345,11 @@ void ReadConfiguration(bool rebind)
        FlatLinks = Conf->ReadFlag("options","flatlinks",0);
        HideULines = Conf->ReadFlag("options","hideulines",0);
        LinkBlocks.clear();
+       ValidIPs.clear();
        for (int j =0; j < Conf->Enumerate("link"); j++)
        {
                Link L;
+               std::string Allow = Conf->ReadValue("link","allowmask",j);
                L.Name = (Conf->ReadValue("link","name",j)).c_str();
                L.IPAddr = Conf->ReadValue("link","ipaddr",j);
                L.Port = Conf->ReadInteger("link","port",j,true);
@@ -3284,6 +3362,26 @@ void ReadConfiguration(bool rebind)
                /* Bugfix by brain, do not allow people to enter bad configurations */
                if ((L.IPAddr != "") && (L.RecvPass != "") && (L.SendPass != "") && (L.Name != "") && (L.Port))
                {
+                       ValidIPs.push_back(L.IPAddr);
+
+                       if (Allow.length())
+                               ValidIPs.push_back(Allow);
+
+                       /* Needs resolving */
+                       insp_inaddr binip;
+                       if (insp_aton(L.IPAddr.c_str(), &binip) < 1)
+                       {
+                               try
+                               {
+                                       SecurityIPResolver* sr = new SecurityIPResolver(ServerInstance, L.IPAddr, L);
+                                       Srv->AddResolver(sr);
+                               }
+                               catch (ModuleException& e)
+                               {
+                                       log(DEBUG,"Error in resolver: %s",e.GetReason());
+                               }
+                       }
+
                        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);
                }
@@ -3333,7 +3431,7 @@ class ModuleSpanningTree : public Module
                Bindings.clear();
 
                // Create the root of the tree
-               TreeRoot = new TreeServer(Srv->GetServerName(),Srv->GetServerDescription());
+               TreeRoot = new TreeServer(ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc);
 
                ReadConfiguration(true);
 
@@ -3365,7 +3463,7 @@ class ModuleSpanningTree : public Module
                /* 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());
+               user->WriteServ("364 %s %s %s :%d %s",user->nick,Current->GetName().c_str(),(FlatLinks && (!*user->oper)) ? ServerInstance->Config->ServerName : Parent.c_str(),(FlatLinks && (!*user->oper)) ? 0 : hops,Current->GetDesc().c_str());
        }
 
        int CountLocalServs()
@@ -3381,30 +3479,30 @@ class ModuleSpanningTree : public Module
        void HandleLinks(const char** parameters, int pcnt, userrec* user)
        {
                ShowLinks(TreeRoot,user,0);
-               WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
+               user->WriteServ("365 %s * :End of /LINKS list.",user->nick);
                return;
        }
 
        void HandleLusers(const char** parameters, int pcnt, userrec* user)
        {
-               unsigned int n_users = usercnt();
+               unsigned int n_users = ServerInstance->usercnt();
 
                /* Only update these when someone wants to see them, more efficient */
-               if ((unsigned int)local_count() > max_local)
-                       max_local = local_count();
+               if ((unsigned int)ServerInstance->local_count() > max_local)
+                       max_local = ServerInstance->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());
-               if (usercount_opers())
-                       WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
-               if (usercount_unknown())
-                       WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
-               if (chancount())
-                       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);
+               user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,n_users-ServerInstance->usercount_invisible(),ServerInstance->usercount_invisible(),this->CountServs());
+               if (ServerInstance->usercount_opers())
+                       user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->usercount_opers());
+               if (ServerInstance->usercount_unknown())
+                       user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->usercount_unknown());
+               if (ServerInstance->chancount())
+                       user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->chancount());
+               user->WriteServ("254 %s :I have %d clients and %d servers",user->nick,ServerInstance->local_count(),this->CountLocalServs());
+               user->WriteServ("265 %s :Current Local Users: %d  Max: %d",user->nick,ServerInstance->local_count(),max_local);
+               user->WriteServ("266 %s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
                return;
        }
 
@@ -3434,13 +3532,13 @@ class ModuleSpanningTree : public Module
 
                        float percent;
                        char text[80];
-                       if (clientlist.size() == 0) {
+                       if (ServerInstance->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;
+                               percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist.size()) * 100;
                        }
                        snprintf(text, 80, "%s %s%5d [%5.2f%%]", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent);
                        totusers += Current->GetUserCount();
@@ -3479,6 +3577,10 @@ class ModuleSpanningTree : public Module
                                params[1] = s->GetName();
                                DoOneToOne(user->nick, "STATS", params, s->GetName());
                        }
+                       else
+                       {
+                               user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
+                       }
                        return 1;
                }
                return 0;
@@ -3541,11 +3643,11 @@ class ModuleSpanningTree : public Module
                // dump the whole lot to the user. This is the easy bit, honest.
                for (int t = 0; t < line; t++)
                {
-                       WriteServ(user->fd,"006 %s :%s",user->nick,&matrix[t][0]);
+                       user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
                }
                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);
+               user->WriteServ("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);
+       user->WriteServ("007 %s :End of /MAP",user->nick);
                return;
        }
 
@@ -3556,25 +3658,25 @@ class ModuleSpanningTree : public Module
                {
                        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]);
+                                user->WriteServ("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);
+                               ServerInstance->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));
                                Srv->RemoveSocket(sock);
                        }
                        else
                        {
-                               WriteServ(user->fd,"NOTICE %s :*** SQUIT: The server \002%s\002 is not directly connected.",user->nick,parameters[0]);
+                               user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 is not directly connected.",user->nick,parameters[0]);
                        }
                }
                else
                {
-                        WriteServ(user->fd,"NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
+                        user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
                }
                return 1;
        }
@@ -3593,11 +3695,11 @@ class ModuleSpanningTree : public Module
                                std::deque<std::string> params;
                                params.push_back(found->GetName());
                                params.push_back(user->nick);
-                               DoOneToOne(Srv->GetServerName(),"TIME",params,found->GetName());
+                               DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
                        }
                        else
                        {
-                               WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
+                               user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
                        }
                }
                return 1;
@@ -3607,7 +3709,7 @@ class ModuleSpanningTree : public Module
        {
                if ((IS_LOCAL(user)) && (pcnt > 1))
                {
-                       userrec* remote = Srv->FindNick(parameters[1]);
+                       userrec* remote = ServerInstance->FindNick(parameters[1]);
                        if ((remote) && (remote->fd < 0))
                        {
                                std::deque<std::string> params;
@@ -3617,8 +3719,8 @@ 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]);
+                               user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
+                               user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
                                return 1;
                        }
                }
@@ -3637,13 +3739,13 @@ class ModuleSpanningTree : public Module
                                {
                                        if (serv->AnsweredLastPing())
                                        {
-                                               sock->WriteLine(":"+Srv->GetServerName()+" PING "+serv->GetName());
+                                               sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
                                                serv->SetNextPingTime(curtime + 120);
                                        }
                                        else
                                        {
                                                // they didnt answer, boot them
-                                               WriteOpers("*** Server \002%s\002 pinged out",serv->GetName().c_str());
+                                               ServerInstance->WriteOpers("*** Server \002%s\002 pinged out",serv->GetName().c_str());
                                                sock->Squit(serv,"Ping timeout");
                                                Srv->RemoveSocket(sock);
                                                return;
@@ -3665,17 +3767,37 @@ class ModuleSpanningTree : public Module
                                if (!CheckDupe)
                                {
                                        // 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.c_str());
-                                       if (newsocket->GetFd() > -1)
+                                       ServerInstance->WriteOpers("*** AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
+
+                                       insp_inaddr binip;
+
+                                       /* Do we already have an IP? If so, no need to resolve it. */
+                                       if (insp_aton(x->IPAddr.c_str(), &binip) > 0)
                                        {
-                                               Srv->AddSocket(newsocket);
+                                               TreeSocket* newsocket = new TreeSocket(ServerInstance, x->IPAddr,x->Port,false,10,x->Name.c_str());
+                                               if (newsocket->GetFd() > -1)
+                                               {
+                                                       Srv->AddSocket(newsocket);
+                                               }
+                                               else
+                                               {
+                                                       ServerInstance->WriteOpers("*** AUTOCONNECT: Error autoconnecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
+                                                       delete newsocket;
+                                               }
                                        }
                                        else
                                        {
-                                               WriteOpers("*** AUTOCONNECT: Error autoconnecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
-                                               DELETE(newsocket);
+                                               try
+                                               {
+                                                       ServernameResolver* snr = new ServernameResolver(ServerInstance,x->IPAddr, *x);
+                                                       Srv->AddResolver(snr);
+                                               }
+                                               catch (ModuleException& e)
+                                               {
+                                                       log(DEBUG,"Error in resolver: %s",e.GetReason());
+                                               }
                                        }
+
                                }
                        }
                }
@@ -3688,10 +3810,10 @@ class ModuleSpanningTree : public Module
                if (found)
                {
                        std::string Version = found->GetVersion();
-                       WriteServ(user->fd,"351 %s :%s",user->nick,Version.c_str());
+                       user->WriteServ("351 %s :%s",user->nick,Version.c_str());
                        if (found == TreeRoot)
                        {
-                               std::stringstream out(Config->data005);
+                               std::stringstream out(ServerInstance->Config->data005);
                                std::string token = "";
                                std::string line5 = "";
                                int token_counter = 0;
@@ -3704,7 +3826,7 @@ class ModuleSpanningTree : public Module
 
                                        if ((token_counter >= 13) || (out.eof() == true))
                                        {
-                                               WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
+                                               user->WriteServ("005 %s %s:are supported by this server",user->nick,line5.c_str());
                                                line5 = "";
                                                token_counter = 0;
                                        }
@@ -3713,7 +3835,7 @@ class ModuleSpanningTree : public Module
                }
                else
                {
-                       WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
+                       user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
                }
                return 1;
        }
@@ -3727,27 +3849,45 @@ class ModuleSpanningTree : public Module
                                TreeServer* CheckDupe = FindServer(x->Name.c_str());
                                if (!CheckDupe)
                                {
-                                       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.c_str());
-                                       if (newsocket->GetFd() > -1)
+                                       user->WriteServ("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);
+                                       insp_inaddr binip;
+
+                                       /* Do we already have an IP? If so, no need to resolve it. */
+                                       if (insp_aton(x->IPAddr.c_str(), &binip) > 0)
                                        {
-                                               Srv->AddSocket(newsocket);
+                                               TreeSocket* newsocket = new TreeSocket(ServerInstance,x->IPAddr,x->Port,false,10,x->Name.c_str());
+                                               if (newsocket->GetFd() > -1)
+                                               {
+                                                       Srv->AddSocket(newsocket);
+                                               }
+                                               else
+                                               {
+                                                       ServerInstance->WriteOpers("*** CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
+                                                       delete newsocket;
+                                               }
                                        }
                                        else
                                        {
-                                               WriteServ(user->fd,"NOTICE %s :*** CONNECT: Error connecting \002%s\002: %s.",user->nick,x->Name.c_str(),strerror(errno));
-                                               DELETE(newsocket);
+                                               try
+                                               {
+                                                       ServernameResolver* snr = new ServernameResolver(ServerInstance, x->IPAddr, *x);
+                                                       Srv->AddResolver(snr);
+                                               }
+                                               catch (ModuleException& e)
+                                               {
+                                                       log(DEBUG,"Error in resolver: %s",e.GetReason());
+                                               }
                                        }
                                        return 1;
                                }
                                else
                                {
-                                       WriteServ(user->fd,"NOTICE %s :*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",user->nick,x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str());
+                                       user->WriteServ("NOTICE %s :*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",user->nick,x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str());
                                        return 1;
                                }
                        }
                }
-               WriteServ(user->fd,"NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
+               user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
                return 1;
        }
 
@@ -3757,11 +3897,11 @@ class ModuleSpanningTree : public Module
                {
                        for (unsigned int i = 0; i < LinkBlocks.size(); i++)
                        {
-                               results.push_back(Srv->GetServerName()+" 213 "+user->nick+" C *@"+(LinkBlocks[i].HiddenFromStats ? "<hidden>" : LinkBlocks[i].IPAddr)+" * "+LinkBlocks[i].Name.c_str()+" "+ConvToStr(LinkBlocks[i].Port)+" "+(LinkBlocks[i].EncryptionKey != "" ? 'e' : '-')+(LinkBlocks[i].AutoConnect ? 'a' : '-')+'s');
-                               results.push_back(Srv->GetServerName()+" 244 "+user->nick+" H * * "+LinkBlocks[i].Name.c_str());
+                               results.push_back(std::string(ServerInstance->Config->ServerName)+" 213 "+user->nick+" C *@"+(LinkBlocks[i].HiddenFromStats ? "<hidden>" : LinkBlocks[i].IPAddr)+" * "+LinkBlocks[i].Name.c_str()+" "+ConvToStr(LinkBlocks[i].Port)+" "+(LinkBlocks[i].EncryptionKey != "" ? 'e' : '-')+(LinkBlocks[i].AutoConnect ? 'a' : '-')+'s');
+                               results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+LinkBlocks[i].Name.c_str());
                        }
-                       results.push_back(Srv->GetServerName()+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
-                       WriteOpers("*** Notice: %s '%c' requested by %s (%s@%s)",(!strcmp(user->server,Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host);
+                       results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
+                       ServerInstance->WriteOpers("*** Notice: %s '%c' requested by %s (%s@%s)",(!strcmp(user->server,ServerInstance->Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host);
                        return 1;
                }
                return 0;
@@ -4005,7 +4145,7 @@ class ModuleSpanningTree : public Module
                                params.push_back(channel->name);
                                params.push_back(ts);
                                params.push_back("@"+std::string(user->nick));
-                               DoOneToMany(Srv->GetServerName(),"FJOIN",params);
+                               DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
                        }
                }
        }
@@ -4055,9 +4195,9 @@ class ModuleSpanningTree : public Module
                        params.push_back(user->dhost);
                        params.push_back(user->ident);
                        params.push_back("+"+std::string(user->FormatModes()));
-                       params.push_back((char*)inet_ntoa(user->ip4));
+                       params.push_back(user->GetIPString());
                        params.push_back(":"+std::string(user->fullname));
-                       DoOneToMany(Srv->GetServerName(),"NICK",params);
+                       DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
 
                        // User is Local, change needs to be reflected!
                        TreeServer* SourceServer = FindServer(user->server);
@@ -4112,7 +4252,7 @@ class ModuleSpanningTree : public Module
                        params.push_back(chan->name);
                        params.push_back(user->nick);
                        params.push_back(":"+reason);
-                       DoOneToMany(Srv->GetServerName(),"KICK",params);
+                       DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
                }
        }
 
@@ -4130,11 +4270,11 @@ class ModuleSpanningTree : public Module
                {
                        std::deque<std::string> params;
                        params.push_back(parameter);
-                       DoOneToMany(Srv->GetServerName(),"REHASH",params);
+                       DoOneToMany(ServerInstance->Config->ServerName,"REHASH",params);
                        // check for self
-                       if (Srv->MatchText(Srv->GetServerName(),parameter))
+                       if (Srv->MatchText(ServerInstance->Config->ServerName,parameter))
                        {
-                               Srv->SendOpers("*** Remote rehash initiated from server \002"+Srv->GetServerName()+"\002.");
+                               ServerInstance->WriteOpers("*** Remote rehash initiated from server \002%s\002",ServerInstance->Config->ServerName);
                                Srv->RehashServer();
                        }
                }
@@ -4271,12 +4411,12 @@ class ModuleSpanningTree : public Module
                        if (target_type == TYPE_USER)
                        {
                                userrec* u = (userrec*)target;
-                               s->WriteLine(":"+Srv->GetServerName()+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
+                               s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
                        }
                        else
                        {
                                chanrec* c = (chanrec*)target;
-                               s->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
+                               s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
                        }
                }
        }
@@ -4289,16 +4429,16 @@ class ModuleSpanningTree : public Module
                        if (target_type == TYPE_USER)
                        {
                                userrec* u = (userrec*)target;
-                               s->WriteLine(":"+Srv->GetServerName()+" METADATA "+u->nick+" "+extname+" :"+extdata);
+                               s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
                        }
                        else if (target_type == TYPE_OTHER)
                        {
-                               s->WriteLine(":"+Srv->GetServerName()+" METADATA * "+extname+" :"+extdata);
+                               s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
                        }
                        else if (target_type == TYPE_CHANNEL)
                        {
                                chanrec* c = (chanrec*)target;
-                               s->WriteLine(":"+Srv->GetServerName()+" METADATA "+c->name+" "+extname+" :"+extdata);
+                               s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
                        }
                }
        }
@@ -4311,7 +4451,7 @@ class ModuleSpanningTree : public Module
                        if (params->size() < 3)
                                return;
                        (*params)[2] = ":" + (*params)[2];
-                       DoOneToMany(Srv->GetServerName(),"METADATA",*params);
+                       DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
                }
                else if (event->GetEventID() == "send_mode")
                {
@@ -4320,21 +4460,21 @@ class ModuleSpanningTree : public Module
                                return;
                        // Insert the TS value of the object, either userrec or chanrec
                        time_t ourTS = 0;
-                       userrec* a = Srv->FindNick((*params)[0]);
+                       userrec* a = ServerInstance->FindNick((*params)[0]);
                        if (a)
                        {
                                ourTS = a->age;
                        }
                        else
                        {
-                               chanrec* a = Srv->FindChannel((*params)[0]);
+                               chanrec* a = ServerInstance->FindChan((*params)[0]);
                                if (a)
                                {
                                        ourTS = a->age;
                                }
                        }
                        params->insert(params->begin() + 1,ConvToStr(ourTS));
-                       DoOneToMany(Srv->GetServerName(),"FMODE",*params);
+                       DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
                }
        }