]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_spanningtree/main.cpp
m_spanningtree Fix TreeRoot UserCount being possibly wrong if loaded after startup
[user/henk/code/inspircd.git] / src / modules / m_spanningtree / main.cpp
index 8b9f40e0b5f3d25237cd57cc630b031f79b7c0d2..967b577b15d03f466df3f3df81f7d29857d8f7ae 100644 (file)
@@ -1,22 +1,31 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2007-2009 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
  *
- * This program is free but copyrighted software; see
- *         the file COPYING for details.
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 /* $ModDesc: Provides a spanning tree server link protocol */
 
 #include "inspircd.h"
 #include "socket.h"
 #include "xline.h"
-#include "../transport.h"
 
 #include "cachetimer.h"
 #include "resolvers.h"
 #include "treeserver.h"
 #include "link.h"
 #include "treesocket.h"
-#include "rconnect.h"
-#include "rsquit.h"
+#include "commands.h"
 #include "protocolinterface.h"
 
-/* $ModDep: m_spanningtree/cachetimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rconnect.h m_spanningtree/rsquit.h m_spanningtree/protocolinterface.h */
-
 ModuleSpanningTree::ModuleSpanningTree()
-       : max_local(0), max_global(0)
+       : KeepNickTS(false)
 {
-       ServerInstance->Modules->UseInterface("BufferedSocketHook");
        Utils = new SpanningTreeUtilities(this);
-       command_rconnect = new CommandRConnect(this, Utils);
-       ServerInstance->AddCommand(command_rconnect);
-       command_rsquit = new CommandRSQuit(this, Utils);
-       ServerInstance->AddCommand(command_rsquit);
+       commands = new SpanningTreeCommands(this);
+       RefreshTimer = NULL;
+}
+
+SpanningTreeCommands::SpanningTreeCommands(ModuleSpanningTree* module)
+       : rconnect(module, module->Utils), rsquit(module, module->Utils),
+       svsjoin(module), svspart(module), svsnick(module), metadata(module),
+       uid(module), opertype(module), fjoin(module), fmode(module), ftopic(module),
+       fhost(module), fident(module), fname(module)
+{
+}
+
+void ModuleSpanningTree::init()
+{
+       ServerInstance->Modules->AddService(commands->rconnect);
+       ServerInstance->Modules->AddService(commands->rsquit);
+       ServerInstance->Modules->AddService(commands->svsjoin);
+       ServerInstance->Modules->AddService(commands->svspart);
+       ServerInstance->Modules->AddService(commands->svsnick);
+       ServerInstance->Modules->AddService(commands->metadata);
+       ServerInstance->Modules->AddService(commands->uid);
+       ServerInstance->Modules->AddService(commands->opertype);
+       ServerInstance->Modules->AddService(commands->fjoin);
+       ServerInstance->Modules->AddService(commands->fmode);
+       ServerInstance->Modules->AddService(commands->ftopic);
+       ServerInstance->Modules->AddService(commands->fhost);
+       ServerInstance->Modules->AddService(commands->fident);
+       ServerInstance->Modules->AddService(commands->fname);
        RefreshTimer = new CacheRefreshTimer(Utils);
        ServerInstance->Timers->AddTimer(RefreshTimer);
 
@@ -47,19 +76,19 @@ ModuleSpanningTree::ModuleSpanningTree()
        {
                I_OnPreCommand, I_OnGetServerDescription, I_OnUserInvite, I_OnPostTopicChange,
                I_OnWallops, I_OnUserNotice, I_OnUserMessage, I_OnBackgroundTimer, I_OnUserJoin,
-               I_OnChangeLocalUserHost, I_OnChangeName, I_OnChangeIdent, I_OnUserPart, I_OnUnloadModule,
+               I_OnChangeHost, I_OnChangeName, I_OnChangeIdent, I_OnUserPart, I_OnUnloadModule,
                I_OnUserQuit, I_OnUserPostNick, I_OnUserKick, I_OnRemoteKill, I_OnRehash, I_OnPreRehash,
-               I_OnOper, I_OnAddLine, I_OnDelLine, I_OnMode, I_OnLoadModule, I_OnStats, I_OnEvent,
-               I_OnSetAway, I_OnPostCommand, I_OnUserConnect
+               I_OnOper, I_OnAddLine, I_OnDelLine, I_OnMode, I_OnLoadModule, I_OnStats,
+               I_OnSetAway, I_OnPostCommand, I_OnUserConnect, I_OnAcceptConnection
        };
        ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
 
        delete ServerInstance->PI;
-       ServerInstance->PI = new SpanningTreeProtocolInterface(this, Utils);
+       ServerInstance->PI = new SpanningTreeProtocolInterface(Utils);
        loopCall = false;
 
        // update our local user count
-       Utils->TreeRoot->SetUserCount(ServerInstance->Users->local_users.size());
+       Utils->TreeRoot->SetUserCount(ServerInstance->Users->LocalUserCount());
 }
 
 void ModuleSpanningTree::ShowLinks(TreeServer* Current, User* user, int hops)
@@ -71,7 +100,7 @@ void ModuleSpanningTree::ShowLinks(TreeServer* Current, User* user, int hops)
        }
        for (unsigned int q = 0; q < Current->ChildCount(); q++)
        {
-               if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
+               if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName()))))
                {
                        if (IS_OPER(user))
                        {
@@ -84,23 +113,19 @@ void ModuleSpanningTree::ShowLinks(TreeServer* Current, User* user, int hops)
                }
        }
        /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
-       if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user)))
+       if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName())) && (!IS_OPER(user)))
                return;
        /* Or if the server is hidden and they're not an oper */
        else if ((Current->Hidden) && (!IS_OPER(user)))
                return;
 
-       user->WriteNumeric(364, "%s %s %s :%d %s",      user->nick.c_str(),Current->GetName().c_str(),
-                       (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(),
+       std::string servername = Current->GetName();
+       user->WriteNumeric(364, "%s %s %s :%d %s",      user->nick.c_str(), servername.c_str(),
+                       (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName.c_str() : Parent.c_str(),
                        (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
                        Current->GetDesc().c_str());
 }
 
-int ModuleSpanningTree::CountLocalServs()
-{
-       return Utils->TreeRoot->ChildCount();
-}
-
 int ModuleSpanningTree::CountServs()
 {
        return Utils->serverlist.size();
@@ -113,54 +138,6 @@ void ModuleSpanningTree::HandleLinks(const std::vector<std::string>& parameters,
        return;
 }
 
-void ModuleSpanningTree::HandleLusers(const std::vector<std::string>& parameters, User* user)
-{
-       unsigned int n_users = ServerInstance->Users->UserCount();
-
-       /* Only update these when someone wants to see them, more efficient */
-       if ((unsigned int)ServerInstance->Users->LocalUserCount() > max_local)
-               max_local = ServerInstance->Users->LocalUserCount();
-       if (n_users > max_global)
-               max_global = n_users;
-
-       unsigned int ulined_count = 0;
-       unsigned int ulined_local_count = 0;
-
-       /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden,
-        * locally and globally (locally means directly connected to us)
-        */
-       if ((Utils->HideULines) && (!IS_OPER(user)))
-       {
-               for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++)
-               {
-                       if (ServerInstance->ULine(q->second->GetName().c_str()))
-                       {
-                               ulined_count++;
-                               if (q->second->GetParent() == Utils->TreeRoot)
-                                       ulined_local_count++;
-                       }
-               }
-       }
-       user->WriteNumeric(251, "%s :There are %d users and %d invisible on %d servers",user->nick.c_str(),
-                       n_users-ServerInstance->Users->ModeCount('i'),
-                       ServerInstance->Users->ModeCount('i'),
-                       ulined_count ? this->CountServs() - ulined_count : this->CountServs());
-
-       if (ServerInstance->Users->OperCount())
-               user->WriteNumeric(252, "%s %d :operator(s) online",user->nick.c_str(),ServerInstance->Users->OperCount());
-
-       if (ServerInstance->Users->UnregisteredUserCount())
-               user->WriteNumeric(253, "%s %d :unknown connections",user->nick.c_str(),ServerInstance->Users->UnregisteredUserCount());
-
-       if (ServerInstance->ChannelCount())
-               user->WriteNumeric(254, "%s %ld :channels formed",user->nick.c_str(),ServerInstance->ChannelCount());
-
-       user->WriteNumeric(255, "%s :I have %d clients and %d servers",user->nick.c_str(),ServerInstance->Users->LocalUserCount(),ulined_local_count ? this->CountLocalServs() - ulined_local_count : this->CountLocalServs());
-       user->WriteNumeric(265, "%s :Current Local Users: %d  Max: %d",user->nick.c_str(),ServerInstance->Users->LocalUserCount(),max_local);
-       user->WriteNumeric(266, "%s :Current Global Users: %d  Max: %d",user->nick.c_str(),n_users,max_global);
-       return;
-}
-
 std::string ModuleSpanningTree::TimeToStr(time_t secs)
 {
        time_t mins_up = secs / 60;
@@ -169,9 +146,9 @@ std::string ModuleSpanningTree::TimeToStr(time_t secs)
        secs = secs % 60;
        mins_up = mins_up % 60;
        hours_up = hours_up % 24;
-       return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
-                       + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
-                       + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
+       return ((days_up ? (ConvToStr(days_up) + "d") : "")
+                       + (hours_up ? (ConvToStr(hours_up) + "h") : "")
+                       + (mins_up ? (ConvToStr(mins_up) + "m") : "")
                        + ConvToStr(secs) + "s");
 }
 
@@ -181,14 +158,19 @@ void ModuleSpanningTree::DoPingChecks(time_t curtime)
         * Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
         * This prevents lost REMOTECONNECT notices
         */
-       timeval t;
-       gettimeofday(&t, NULL);
-       long ts = (t.tv_sec * 1000) + (t.tv_usec / 1000);
+       long ts = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);
 
+restart:
        for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
        {
                TreeServer *s = i->second;
 
+               if (s->GetSocket() && s->GetSocket()->GetLinkState() == DYING)
+               {
+                       s->GetSocket()->Close();
+                       goto restart;
+               }
+
                // Fix for bug #792, do not ping servers that are not connected yet!
                // Remote servers have Socket == NULL and local connected servers have
                // Socket->LinkState == CONNECTED
@@ -213,7 +195,7 @@ void ModuleSpanningTree::DoPingChecks(time_t curtime)
                                        // ... if we can find a proper route to them
                                        if (tsock)
                                        {
-                                               tsock->WriteLine(std::string(":") + ServerInstance->Config->GetSID() + " PING " +
+                                               tsock->WriteLine(":" + ServerInstance->Config->GetSID() + " PING " +
                                                                ServerInstance->Config->GetSID() + " " + s->GetID());
                                                s->LastPingMsec = ts;
                                        }
@@ -225,10 +207,8 @@ void ModuleSpanningTree::DoPingChecks(time_t curtime)
                                        if (sock)
                                        {
                                                sock->SendError("Ping timeout");
-                                               sock->Squit(s,"Ping timeout");
-                                               ServerInstance->SE->DelFd(sock);
                                                sock->Close();
-                                               return;
+                                               goto restart;
                                        }
                                }
                        }
@@ -237,46 +217,62 @@ void ModuleSpanningTree::DoPingChecks(time_t curtime)
                        if ((Utils->PingWarnTime) && (!s->Warned) && (curtime >= s->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!s->AnsweredLastPing()))
                        {
                                /* The server hasnt responded, send a warning to opers */
-                               ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", s->GetName().c_str(), Utils->PingWarnTime);
+                               std::string servername = s->GetName();
+                               ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", servername.c_str(), Utils->PingWarnTime);
                                s->Warned = true;
                        }
                }
        }
 }
 
-void ModuleSpanningTree::ConnectServer(Autoconnect* y)
+void ModuleSpanningTree::ConnectServer(Autoconnect* a, bool on_timer)
 {
-       if (!y)
+       if (!a)
+               return;
+       for(unsigned int j=0; j < a->servers.size(); j++)
+       {
+               if (Utils->FindServer(a->servers[j]))
+               {
+                       // found something in this block. Should the server fail,
+                       // we want to start at the start of the list, not in the
+                       // middle where we left off
+                       a->position = -1;
+                       return;
+               }
+       }
+       if (on_timer && a->position >= 0)
                return;
-       y->position++;
-       while (y->position < (int)y->servers.size())
+       if (!on_timer && a->position < 0)
+               return;
+
+       a->position++;
+       while (a->position < (int)a->servers.size())
        {
-               Link* x = Utils->FindLink(y->servers[y->position]);
+               Link* x = Utils->FindLink(a->servers[a->position]);
                if (x)
                {
                        ServerInstance->SNO->WriteToSnoMask('l', "AUTOCONNECT: Auto-connecting server \002%s\002", x->Name.c_str());
-                       ConnectServer(x, y);
+                       ConnectServer(x, a);
                        return;
                }
-               y->position++;
+               a->position++;
        }
        // Autoconnect chain has been fully iterated; start at the beginning on the
        // next AutoConnectServers run
-       y->position = -1;
+       a->position = -1;
 }
 
 void ModuleSpanningTree::ConnectServer(Link* x, Autoconnect* y)
 {
        bool ipvalid = true;
 
-       if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name)))
+       if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name), rfc_case_insensitive_map))
        {
                ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
                return;
        }
 
-       QueryType start_type = DNS_QUERY_A;
-       start_type = DNS_QUERY_AAAA;
+       QueryType start_type = DNS_QUERY_AAAA;
        if (strchr(x->IPAddr.c_str(),':'))
        {
                in6_addr n;
@@ -294,32 +290,30 @@ void ModuleSpanningTree::ConnectServer(Link* x, Autoconnect* y)
        if (ipvalid)
        {
                /* Gave a hook, but it wasnt one we know */
-               if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
-                       return;
-               TreeSocket* newsocket = new TreeSocket(Utils, x->IPAddr,x->Port, x->Timeout ? x->Timeout : 10,x->Name.c_str(), x->Bind, y, x->Hook.empty() ? NULL : Utils->hooks[x->Hook.c_str()]);
+               TreeSocket* newsocket = new TreeSocket(Utils, x, y, x->IPAddr);
                if (newsocket->GetFd() > -1)
                {
                        /* Handled automatically on success */
                }
                else
                {
-                       ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
+                       ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
+                               x->Name.c_str(), newsocket->getError().c_str());
                        ServerInstance->GlobalCulls.AddItem(newsocket);
-                       ConnectServer(y);
                }
        }
        else
        {
                try
                {
-                       bool cached;
-                       ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, x->IPAddr, x, cached, start_type, y);
+                       bool cached = false;
+                       ServernameResolver* snr = new ServernameResolver(Utils, x->IPAddr, x, cached, start_type, y);
                        ServerInstance->AddResolver(snr, cached);
                }
                catch (ModuleException& e)
                {
                        ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
-                       ConnectServer(y);
+                       ConnectServer(y, false);
                }
        }
 }
@@ -332,28 +326,13 @@ void ModuleSpanningTree::AutoConnectServers(time_t curtime)
                if (curtime >= x->NextConnectTime)
                {
                        x->NextConnectTime = curtime + x->Period;
-                       for(unsigned int j=0; j < x->servers.size(); j++)
-                       {
-                               if (Utils->FindServer(x->servers[j]))
-                               {
-                                       // found something in this block. Should the server fail,
-                                       // we want to start at the start of the list, not in the
-                                       // middle where we left off
-                                       x->position = -1;
-                                       goto dupe_found; // next autoconnect block
-                               }
-                       }
-                       // only start a new chain if we aren't running
-                       if (x->position == -1)
-                               ConnectServer(x);
+                       ConnectServer(x, true);
                }
-dupe_found:;
        }
 }
 
 void ModuleSpanningTree::DoConnectTimeout(time_t curtime)
 {
-       std::vector<Autoconnect*> failovers;
        std::map<TreeSocket*, std::pair<std::string, int> >::iterator i = Utils->timeoutlist.begin();
        while (i != Utils->timeoutlist.end())
        {
@@ -361,21 +340,18 @@ void ModuleSpanningTree::DoConnectTimeout(time_t curtime)
                std::pair<std::string, int> p = i->second;
                std::map<TreeSocket*, std::pair<std::string, int> >::iterator me = i;
                i++;
-               if (curtime > s->age + p.second)
+               if (s->GetLinkState() == DYING)
+               {
+                       Utils->timeoutlist.erase(me);
+                       s->Close();
+               }
+               else if (curtime > s->age + p.second)
                {
                        ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002 (timeout of %d seconds)",p.first.c_str(),p.second);
-                       if (s->myautoconnect)
-                               failovers.push_back(s->myautoconnect);
                        Utils->timeoutlist.erase(me);
                        s->Close();
-                       ServerInstance->GlobalCulls.AddItem(s);
                }
        }
-       for(unsigned int j=0; j < failovers.size(); j++)
-       {
-               if (failovers[j]->position >= 0)
-                       ConnectServer(failovers[j]);
-       }
 }
 
 ModResult ModuleSpanningTree::HandleVersion(const std::vector<std::string>& parameters, User* user)
@@ -420,9 +396,9 @@ ModResult ModuleSpanningTree::HandleConnect(const std::vector<std::string>& para
        for (std::vector<reference<Link> >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); i++)
        {
                Link* x = *i;
-               if (InspIRCd::Match(x->Name.c_str(),parameters[0]))
+               if (InspIRCd::Match(x->Name.c_str(),parameters[0], rfc_case_insensitive_map))
                {
-                       if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name)))
+                       if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name), rfc_case_insensitive_map))
                        {
                                RemoteMessage(user, "*** CONNECT: Server \002%s\002 is ME, not connecting.",x->Name.c_str());
                                return MOD_RES_DENY;
@@ -437,7 +413,8 @@ ModResult ModuleSpanningTree::HandleConnect(const std::vector<std::string>& para
                        }
                        else
                        {
-                               RemoteMessage(user, "*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str());
+                               std::string servername = CheckDupe->GetParent()->GetName();
+                               RemoteMessage(user, "*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002", x->Name.c_str(), servername.c_str());
                                return MOD_RES_DENY;
                        }
                }
@@ -498,7 +475,7 @@ void ModuleSpanningTree::OnUserNotice(User* user, void* dest, int target_type, c
        if (target_type == TYPE_USER)
        {
                User* d = (User*)dest;
-               if ((d->GetFd() < 0) && (IS_LOCAL(user)))
+               if (!IS_LOCAL(d) && IS_LOCAL(user))
                {
                        parameterlist params;
                        params.push_back(d->uuid);
@@ -551,7 +528,7 @@ void ModuleSpanningTree::OnUserMessage(User* user, void* dest, int target_type,
                // route private messages which are targetted at clients only to the server
                // which needs to receive them
                User* d = (User*)dest;
-               if ((d->GetFd() < 0) && (IS_LOCAL(user)))
+               if (!IS_LOCAL(d) && (IS_LOCAL(user)))
                {
                        parameterlist params;
                        params.push_back(d->uuid);
@@ -600,7 +577,7 @@ void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
        DoConnectTimeout(curtime);
 }
 
-void ModuleSpanningTree::OnUserConnect(User* user)
+void ModuleSpanningTree::OnUserConnect(LocalUser* user)
 {
        if (user->quitting)
                return;
@@ -615,9 +592,24 @@ void ModuleSpanningTree::OnUserConnect(User* user)
        params.push_back(user->GetIPString());
        params.push_back(ConvToStr(user->signon));
        params.push_back("+"+std::string(user->FormatModes(true)));
-       params.push_back(":"+std::string(user->fullname));
+       params.push_back(":"+user->fullname);
        Utils->DoOneToMany(ServerInstance->Config->GetSID(), "UID", params);
 
+       if (IS_OPER(user))
+       {
+               params.clear();
+               params.push_back(user->oper->name);
+               Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
+       }
+
+       for(Extensible::ExtensibleStore::const_iterator i = user->GetExtList().begin(); i != user->GetExtList().end(); i++)
+       {
+               ExtensionItem* item = i->first;
+               std::string value = item->serialize(FORMAT_NETWORK, user, i->second);
+               if (!value.empty())
+                       ServerInstance->PI->SendMetaData(user, item->name, value);
+       }
+
        Utils->TreeRoot->SetUserCount(1); // increment by 1
 }
 
@@ -633,37 +625,34 @@ void ModuleSpanningTree::OnUserJoin(Membership* memb, bool sync, bool created, C
                params.push_back(memb->chan->name);
                params.push_back(ConvToStr(memb->chan->age));
                params.push_back(std::string("+") + memb->chan->ChanModes(true));
-               params.push_back(memb->modes+","+std::string(memb->user->uuid));
+               params.push_back(memb->modes+","+memb->user->uuid);
                Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FJOIN",params);
        }
 }
 
-ModResult ModuleSpanningTree::OnChangeLocalUserHost(User* user, const std::string &newhost)
+void ModuleSpanningTree::OnChangeHost(User* user, const std::string &newhost)
 {
-       if (user->registered != REG_ALL)
-               return MOD_RES_PASSTHRU;
+       if (user->registered != REG_ALL || !IS_LOCAL(user))
+               return;
 
        parameterlist params;
        params.push_back(newhost);
        Utils->DoOneToMany(user->uuid,"FHOST",params);
-       return MOD_RES_PASSTHRU;
 }
 
 void ModuleSpanningTree::OnChangeName(User* user, const std::string &gecos)
 {
-       // only occurs for local clients
-       if (user->registered != REG_ALL)
+       if (user->registered != REG_ALL || !IS_LOCAL(user))
                return;
 
        parameterlist params;
-       params.push_back(gecos);
+       params.push_back(":" + gecos);
        Utils->DoOneToMany(user->uuid,"FNAME",params);
 }
 
 void ModuleSpanningTree::OnChangeIdent(User* user, const std::string &ident)
 {
-       // only occurs for local clients
-       if (user->registered != REG_ALL)
+       if ((user->registered != REG_ALL) || (!IS_LOCAL(user)))
                return;
 
        parameterlist params;
@@ -716,11 +705,12 @@ void ModuleSpanningTree::OnUserPostNick(User* user, const std::string &oldnick)
 
                /** IMPORTANT: We don't update the TS if the oldnick is just a case change of the newnick!
                 */
-               if (irc::string(user->nick.c_str()) != assign(oldnick))
+               if ((irc::string(user->nick.c_str()) != assign(oldnick)) && (!this->KeepNickTS))
                        user->age = ServerInstance->Time();
 
                params.push_back(ConvToStr(user->age));
                Utils->DoOneToMany(user->uuid,"NICK",params);
+               this->KeepNickTS = false;
        }
        else if (!loopCall && user->nick == user->uuid)
        {
@@ -741,7 +731,7 @@ void ModuleSpanningTree::OnUserKick(User* source, Membership* memb, const std::s
        {
                Utils->DoOneToMany(source->uuid,"KICK",params);
        }
-       else if (IS_SERVER(source) && source != Utils->ServerUser)
+       else if (source == ServerInstance->FakeClient)
        {
                Utils->DoOneToMany(ServerInstance->Config->GetSID(),"KICK",params);
        }
@@ -752,7 +742,7 @@ void ModuleSpanningTree::OnRemoteKill(User* source, User* dest, const std::strin
        if (!IS_LOCAL(source))
                return; // Only start routing if we're origin.
 
-       User::OperQuit.set(dest, operreason);
+       ServerInstance->OperQuit.set(dest, operreason);
        parameterlist params;
        params.push_back(":"+operreason);
        Utils->DoOneToMany(dest->uuid,"OPERQUIT",params);
@@ -764,6 +754,9 @@ void ModuleSpanningTree::OnRemoteKill(User* source, User* dest, const std::strin
 
 void ModuleSpanningTree::OnPreRehash(User* user, const std::string &parameter)
 {
+       if (loopCall)
+               return; // Don't generate a REHASH here if we're in the middle of processing a message that generated this one
+
        ServerInstance->Logs->Log("remoterehash", DEBUG, "called with param %s", parameter.c_str());
 
        // Send out to other servers
@@ -778,34 +771,61 @@ void ModuleSpanningTree::OnPreRehash(User* user, const std::string &parameter)
 void ModuleSpanningTree::OnRehash(User* user)
 {
        // Re-read config stuff
-       Utils->ReadConfiguration(true);
-}
-
-void ModuleSpanningTree::OnLoadModule(Module* mod, const std::string &name)
-{
-       this->RedoConfig(mod, name);
+       try
+       {
+               Utils->ReadConfiguration();
+       }
+       catch (ModuleException& e)
+       {
+               // Refresh the IP cache anyway, so servers read before the error will be allowed to connect
+               Utils->RefreshIPCache();
+               // Always warn local opers with snomask +l, also warn globally (snomask +L) if the rehash was issued by a remote user
+               std::string msg = "Error in configuration: ";
+               msg.append(e.GetReason());
+               ServerInstance->SNO->WriteToSnoMask('l', msg);
+               if (user && !IS_LOCAL(user))
+                       ServerInstance->PI->SendSNONotice("L", msg);
+       }
 }
 
-void ModuleSpanningTree::OnUnloadModule(Module* mod, const std::string &name)
+void ModuleSpanningTree::OnLoadModule(Module* mod)
 {
-       this->RedoConfig(mod, name);
+       std::string data;
+       data.push_back('+');
+       data.append(mod->ModuleSourceFile);
+       Version v = mod->GetVersion();
+       if (!v.link_data.empty())
+       {
+               data.push_back('=');
+               data.append(v.link_data);
+       }
+       ServerInstance->PI->SendMetaData(NULL, "modules", data);
 }
 
-void ModuleSpanningTree::RedoConfig(Module* mod, const std::string &name)
+void ModuleSpanningTree::OnUnloadModule(Module* mod)
 {
-       /* If m_sha256.so is loaded (we use this for HMAC) or any module implementing a BufferedSocket interface is loaded,
-        * then we need to re-read our config again taking this into account.
-        */
-       modulelist* ml = ServerInstance->Modules->FindInterface("BufferedSocketHook");
-       bool IsBufferSocketModule = false;
+       ServerInstance->PI->SendMetaData(NULL, "modules", "-" + mod->ModuleSourceFile);
 
-       /* Did we find any modules? */
-       if (ml && std::find(ml->begin(), ml->end(), mod) != ml->end())
-               IsBufferSocketModule = true;
+restart:
+       unsigned int items = Utils->TreeRoot->ChildCount();
+       for(unsigned int x = 0; x < items; x++)
+       {
+               TreeServer* srv = Utils->TreeRoot->GetChild(x);
+               TreeSocket* sock = srv->GetSocket();
+               if (sock && sock->GetIOHook() == mod)
+               {
+                       sock->SendError("SSL module unloaded");
+                       sock->Close();
+                       // XXX: The list we're iterating is modified by TreeSocket::Squit() which is called by Close()
+                       goto restart;
+               }
+       }
 
-       if (name == "m_sha256.so" || IsBufferSocketModule)
+       for (SpanningTreeUtilities::TimeoutList::const_iterator i = Utils->timeoutlist.begin(); i != Utils->timeoutlist.end(); ++i)
        {
-               Utils->ReadConfiguration(true);
+               TreeSocket* sock = i->first;
+               if (sock->GetIOHook() == mod)
+                       sock->Close();
        }
 }
 
@@ -814,12 +834,11 @@ void ModuleSpanningTree::RedoConfig(Module* mod, const std::string &name)
 // locally.
 void ModuleSpanningTree::OnOper(User* user, const std::string &opertype)
 {
-       if (IS_LOCAL(user))
-       {
-               parameterlist params;
-               params.push_back(opertype);
-               Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
-       }
+       if (user->registered != REG_ALL || !IS_LOCAL(user))
+               return;
+       parameterlist params;
+       params.push_back(opertype);
+       Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
 }
 
 void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
@@ -827,11 +846,13 @@ void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
        if (!x->IsBurstable() || loopCall)
                return;
 
-       char data[MAXBUF];
-       snprintf(data,MAXBUF,"%s %s %s %lu %lu :%s", x->type.c_str(), x->Displayable(),
-       ServerInstance->Config->ServerName, (unsigned long)x->set_time, (unsigned long)x->duration, x->reason.c_str());
        parameterlist params;
-       params.push_back(data);
+       params.push_back(x->type);
+       params.push_back(x->Displayable());
+       params.push_back(ServerInstance->Config->ServerName);
+       params.push_back(ConvToStr(x->set_time));
+       params.push_back(ConvToStr(x->duration));
+       params.push_back(":" + x->reason);
 
        if (!user)
        {
@@ -847,13 +868,12 @@ void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
 
 void ModuleSpanningTree::OnDelLine(User* user, XLine *x)
 {
-       if (x->type == "K")
+       if (!x->IsBurstable() || loopCall)
                return;
 
-       char data[MAXBUF];
-       snprintf(data,MAXBUF,"%s %s", x->type.c_str(), x->Displayable());
        parameterlist params;
-       params.push_back(data);
+       params.push_back(x->type);
+       params.push_back(x->Displayable());
 
        if (!user)
        {
@@ -872,7 +892,6 @@ void ModuleSpanningTree::OnMode(User* user, void* dest, int target_type, const p
        if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
        {
                parameterlist params;
-               std::string command;
                std::string output_text;
 
                ServerInstance->Parser->TranslateUIDs(translate, text, output_text);
@@ -882,7 +901,7 @@ void ModuleSpanningTree::OnMode(User* user, void* dest, int target_type, const p
                        User* u = (User*)dest;
                        params.push_back(u->uuid);
                        params.push_back(output_text);
-                       command = "MODE";
+                       Utils->DoOneToMany(user->uuid, "MODE", params);
                }
                else
                {
@@ -890,10 +909,8 @@ void ModuleSpanningTree::OnMode(User* user, void* dest, int target_type, const p
                        params.push_back(c->name);
                        params.push_back(ConvToStr(c->age));
                        params.push_back(output_text);
-                       command = "FMODE";
+                       Utils->DoOneToMany(user->uuid, "FMODE", params);
                }
-
-               Utils->DoOneToMany(user->uuid, command, params);
        }
 }
 
@@ -901,23 +918,24 @@ ModResult ModuleSpanningTree::OnSetAway(User* user, const std::string &awaymsg)
 {
        if (IS_LOCAL(user))
        {
-               if (awaymsg.empty())
-               {
-                       parameterlist params;
-                       Utils->DoOneToMany(user->uuid,"AWAY",params);
-               }
-               else
+               parameterlist params;
+               if (!awaymsg.empty())
                {
-                       parameterlist params;
-                       params.push_back(ConvToStr(user->awaytime));
+                       params.push_back(ConvToStr(ServerInstance->Time()));
                        params.push_back(":" + awaymsg);
-                       Utils->DoOneToMany(user->uuid,"AWAY",params);
                }
+               Utils->DoOneToMany(user->uuid, "AWAY", params);
        }
 
        return MOD_RES_PASSTHRU;
 }
 
+void ModuleSpanningTree::OnRequest(Request& request)
+{
+       if (!strcmp(request.id, "rehash"))
+               Utils->Rehash();
+}
+
 void ModuleSpanningTree::ProtoSendMode(void* opaque, TargetTypeFlags target_type, void* target, const parameterlist &modeline, const std::vector<TranslateType> &translate)
 {
        TreeSocket* s = (TreeSocket*)opaque;
@@ -930,12 +948,12 @@ void ModuleSpanningTree::ProtoSendMode(void* opaque, TargetTypeFlags target_type
                if (target_type == TYPE_USER)
                {
                        User* u = (User*)target;
-                       s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" MODE "+u->uuid+" "+output_text);
+                       s->WriteLine(":"+ServerInstance->Config->GetSID()+" MODE "+u->uuid+" "+output_text);
                }
                else if (target_type == TYPE_CHANNEL)
                {
                        Channel* c = (Channel*)target;
-                       s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
+                       s->WriteLine(":"+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
                }
        }
 }
@@ -946,27 +964,17 @@ void ModuleSpanningTree::ProtoSendMetaData(void* opaque, Extensible* target, con
        User* u = dynamic_cast<User*>(target);
        Channel* c = dynamic_cast<Channel*>(target);
        if (u)
-               s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
+               s->WriteLine(":"+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
        else if (c)
-               s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
+               s->WriteLine(":"+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
        else if (!target)
-               s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
-}
-
-void ModuleSpanningTree::OnEvent(Event* event)
-{
-       if ((event->GetEventID() == "send_encap") || (event->GetEventID() == "send_metadata") || (event->GetEventID() == "send_topic") || (event->GetEventID() == "send_mode") || (event->GetEventID() == "send_mode_explicit") || (event->GetEventID() == "send_opers")
-               || (event->GetEventID() == "send_modeset") || (event->GetEventID() == "send_snoset") || (event->GetEventID() == "send_push"))
-       {
-               ServerInstance->Logs->Log("m_spanningtree", DEBUG, "WARNING: Deprecated use of old 1.1 style m_spanningtree event ignored, type '"+event->GetEventID()+"'!");
-       }
+               s->WriteLine(":"+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
 }
 
-bool ModuleSpanningTree::cull()
+CullResult ModuleSpanningTree::cull()
 {
        Utils->cull();
        ServerInstance->Timers->DelTimer(RefreshTimer);
-       ServerInstance->Modules->DoneWithInterface("BufferedSocketHook");
        return this->Module::cull();
 }
 
@@ -978,8 +986,7 @@ ModuleSpanningTree::~ModuleSpanningTree()
        /* This will also free the listeners */
        delete Utils;
 
-       delete command_rconnect;
-       delete command_rsquit;
+       delete commands;
 }
 
 Version ModuleSpanningTree::GetVersion()