]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/users.cpp
Change allocation of InspIRCd::BanCache to be physically part of the object containing it
[user/henk/code/inspircd.git] / src / users.cpp
index cc331f5a14891e522ee79d8553a55b8992f43d80..9a6c573f3bb67993881926f563b57966b8ff41e1 100644 (file)
 #include <stdarg.h>
 #include "socketengine.h"
 #include "xline.h"
-#include "bancache.h"
-#include "commands/cmd_whowas.h"
 
 already_sent_t LocalUser::already_sent_id = 0;
 
-std::string User::ProcessNoticeMasks(const char *sm)
-{
-       bool adding = true, oldadding = false;
-       const char *c = sm;
-       std::string output;
-
-       while (c && *c)
-       {
-               switch (*c)
-               {
-                       case '+':
-                               adding = true;
-                       break;
-                       case '-':
-                               adding = false;
-                       break;
-                       case '*':
-                               for (unsigned char d = 'a'; d <= 'z'; d++)
-                               {
-                                       if (!ServerInstance->SNO->masks[d - 'a'].Description.empty())
-                                       {
-                                               if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
-                                               {
-                                                       if ((oldadding != adding) || (!output.length()))
-                                                               output += (adding ? '+' : '-');
-
-                                                       this->SetNoticeMask(d, adding);
-
-                                                       output += d;
-                                               }
-                                               oldadding = adding;
-                                               char u = toupper(d);
-                                               if ((!IsNoticeMaskSet(u) && adding) || (IsNoticeMaskSet(u) && !adding))
-                                               {
-                                                       if ((oldadding != adding) || (!output.length()))
-                                                               output += (adding ? '+' : '-');
-
-                                                       this->SetNoticeMask(u, adding);
-
-                                                       output += u;
-                                               }
-                                               oldadding = adding;
-                                       }
-                               }
-                       break;
-                       default:
-                               if (isalpha(*c))
-                               {
-                                       if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
-                                       {
-                                               if ((oldadding != adding) || (!output.length()))
-                                                       output += (adding ? '+' : '-');
-
-                                               this->SetNoticeMask(*c, adding);
-
-                                               output += *c;
-                                       }
-                               }
-                               else
-                                       this->WriteNumeric(ERR_UNKNOWNSNOMASK, "%s %c :is unknown snomask char to me", this->nick.c_str(), *c);
-
-                               oldadding = adding;
-                       break;
-               }
-
-               c++;
-       }
-
-       std::string s = this->FormatNoticeMasks();
-       if (s.length() == 0)
-       {
-               this->modes[UM_SNOMASK] = false;
-       }
-
-       return output;
-}
-
-void LocalUser::StartDNSLookup()
-{
-       try
-       {
-               bool cached = false;
-               const char* sip = this->GetIPString();
-               UserResolver *res_reverse;
-
-               QueryType resolvtype = this->client_sa.sa.sa_family == AF_INET6 ? DNS_QUERY_PTR6 : DNS_QUERY_PTR4;
-               res_reverse = new UserResolver(this, sip, resolvtype, cached);
-
-               ServerInstance->AddResolver(res_reverse, cached);
-       }
-       catch (CoreException& e)
-       {
-               ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason());
-               dns_done = true;
-               ServerInstance->stats->statsDnsBad++;
-       }
-}
-
 bool User::IsNoticeMaskSet(unsigned char sm)
 {
        if (!isalpha(sm))
@@ -137,55 +37,25 @@ bool User::IsNoticeMaskSet(unsigned char sm)
        return (snomasks[sm-65]);
 }
 
-void User::SetNoticeMask(unsigned char sm, bool value)
-{
-       if (!isalpha(sm))
-               return;
-       snomasks[sm-65] = value;
-}
-
-const char* User::FormatNoticeMasks()
-{
-       static char data[MAXBUF];
-       int offset = 0;
-
-       for (int n = 0; n < 64; n++)
-       {
-               if (snomasks[n])
-                       data[offset++] = n+65;
-       }
-
-       data[offset] = 0;
-       return data;
-}
-
 bool User::IsModeSet(unsigned char m)
 {
-       if (!isalpha(m))
-               return false;
-       return (modes[m-65]);
-}
-
-void User::SetMode(unsigned char m, bool value)
-{
-       if (!isalpha(m))
-               return;
-       modes[m-65] = value;
+       ModeHandler* mh = ServerInstance->Modes->FindMode(m, MODETYPE_USER);
+       return (mh && modes[mh->GetId()]);
 }
 
 const char* User::FormatModes(bool showparameters)
 {
-       static char data[MAXBUF];
+       static std::string data;
        std::string params;
-       int offset = 0;
+       data.clear();
 
        for (unsigned char n = 0; n < 64; n++)
        {
-               if (modes[n])
+               ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
+               if (mh && IsModeSet(mh))
                {
-                       data[offset++] = n + 65;
-                       ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
-                       if (showparameters && mh && mh->GetNumParams(true))
+                       data.push_back(n + 65);
+                       if (showparameters && mh->GetNumParams(true))
                        {
                                std::string p = mh->GetUserParameter(this);
                                if (p.length())
@@ -193,36 +63,32 @@ const char* User::FormatModes(bool showparameters)
                        }
                }
        }
-       data[offset] = 0;
-       strlcat(data, params.c_str(), MAXBUF);
-       return data;
+       data += params;
+       return data.c_str();
 }
 
-User::User(const std::string &uid, const std::string& sid, int type)
-       : uuid(uid), server(sid), usertype(type)
+User::User(const std::string& uid, Server* srv, int type)
+       : uuid(uid), server(srv), usertype(type)
 {
        age = ServerInstance->Time();
-       signon = idle_lastmsg = 0;
+       signon = 0;
        registered = 0;
-       quietquit = quitting = exempt = dns_done = false;
-       quitting_sendq = false;
+       quitting = false;
        client_sa.sa.sa_family = AF_UNSPEC;
 
-       ServerInstance->Logs->Log("USERS", DEBUG, "New UUID for user: %s", uuid.c_str());
+       ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
 
-       user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid);
-       if (finduuid == ServerInstance->Users->uuidlist->end())
-               (*ServerInstance->Users->uuidlist)[uuid] = this;
-       else
+       if (!ServerInstance->Users->uuidlist.insert(std::make_pair(uuid, this)).second)
                throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
 }
 
 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
-       : User(ServerInstance->GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
-       localuseriter(ServerInstance->Users->local_users.end()),
+       : User(ServerInstance->UIDGen.GetUID(), ServerInstance->FakeClient->server, USERTYPE_LOCAL), eh(this),
        bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
        already_sent(0)
 {
+       exempt = quitting_sendq = false;
+       idle_lastmsg = 0;
        ident = "unknown";
        lastping = 0;
        eh.SetFd(myfd);
@@ -233,8 +99,8 @@ LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::so
 
 User::~User()
 {
-       if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
-               ServerInstance->Logs->Log("USERS", DEFAULT, "User destructor for %s called without cull", uuid.c_str());
+       if (ServerInstance->FindUUID(uuid))
+               ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str());
 }
 
 const std::string& User::MakeHost()
@@ -242,18 +108,8 @@ const std::string& User::MakeHost()
        if (!this->cached_makehost.empty())
                return this->cached_makehost;
 
-       char nhost[MAXBUF];
-       /* This is much faster than snprintf */
-       char* t = nhost;
-       for(const char* n = ident.c_str(); *n; n++)
-               *t++ = *n;
-       *t++ = '@';
-       for(const char* n = host.c_str(); *n; n++)
-               *t++ = *n;
-       *t = 0;
-
-       this->cached_makehost.assign(nhost);
-
+       // XXX: Is there really a need to cache this?
+       this->cached_makehost = ident + "@" + host;
        return this->cached_makehost;
 }
 
@@ -262,18 +118,8 @@ const std::string& User::MakeHostIP()
        if (!this->cached_hostip.empty())
                return this->cached_hostip;
 
-       char ihost[MAXBUF];
-       /* This is much faster than snprintf */
-       char* t = ihost;
-       for(const char* n = ident.c_str(); *n; n++)
-               *t++ = *n;
-       *t++ = '@';
-       for(const char* n = this->GetIPString(); *n; n++)
-               *t++ = *n;
-       *t = 0;
-
-       this->cached_hostip = ihost;
-
+       // XXX: Is there really a need to cache this?
+       this->cached_hostip = ident + "@" + this->GetIPString();
        return this->cached_hostip;
 }
 
@@ -282,91 +128,36 @@ const std::string& User::GetFullHost()
        if (!this->cached_fullhost.empty())
                return this->cached_fullhost;
 
-       char result[MAXBUF];
-       char* t = result;
-       for(const char* n = nick.c_str(); *n; n++)
-               *t++ = *n;
-       *t++ = '!';
-       for(const char* n = ident.c_str(); *n; n++)
-               *t++ = *n;
-       *t++ = '@';
-       for(const char* n = dhost.c_str(); *n; n++)
-               *t++ = *n;
-       *t = 0;
-
-       this->cached_fullhost = result;
-
+       // XXX: Is there really a need to cache this?
+       this->cached_fullhost = nick + "!" + ident + "@" + dhost;
        return this->cached_fullhost;
 }
 
-char* User::MakeWildHost()
-{
-       static char nresult[MAXBUF];
-       char* t = nresult;
-       *t++ = '*';     *t++ = '!';
-       *t++ = '*';     *t++ = '@';
-       for(const char* n = dhost.c_str(); *n; n++)
-               *t++ = *n;
-       *t = 0;
-       return nresult;
-}
-
 const std::string& User::GetFullRealHost()
 {
        if (!this->cached_fullrealhost.empty())
                return this->cached_fullrealhost;
 
-       char fresult[MAXBUF];
-       char* t = fresult;
-       for(const char* n = nick.c_str(); *n; n++)
-               *t++ = *n;
-       *t++ = '!';
-       for(const char* n = ident.c_str(); *n; n++)
-               *t++ = *n;
-       *t++ = '@';
-       for(const char* n = host.c_str(); *n; n++)
-               *t++ = *n;
-       *t = 0;
-
-       this->cached_fullrealhost = fresult;
-
+       // XXX: Is there really a need to cache this?
+       this->cached_fullrealhost = nick + "!" + ident + "@" + host;
        return this->cached_fullrealhost;
 }
 
-bool LocalUser::IsInvited(const irc::string &channel)
-{
-       Channel* chan = ServerInstance->FindChan(channel.c_str());
-       if (!chan)
-               return false;
-
-       return (Invitation::Find(chan, this) != NULL);
-}
-
 InviteList& LocalUser::GetInviteList()
 {
        RemoveExpiredInvites();
        return invites;
 }
 
-void LocalUser::InviteTo(const irc::string &channel, time_t invtimeout)
-{
-       Channel* chan = ServerInstance->FindChan(channel.c_str());
-       if (chan)
-               Invitation::Create(chan, this, invtimeout);
-}
-
-void LocalUser::RemoveInvite(const irc::string &channel)
+bool LocalUser::RemoveInvite(Channel* chan)
 {
-       Channel* chan = ServerInstance->FindChan(channel.c_str());
-       if (chan)
+       Invitation* inv = Invitation::Find(chan, this);
+       if (inv)
        {
-               Invitation* inv = Invitation::Find(chan, this);
-               if (inv)
-               {
-                       inv->cull();
-                       delete inv;
-               }
+               delete inv;
+               return true;
        }
+       return false;
 }
 
 void LocalUser::RemoveExpiredInvites()
@@ -381,7 +172,7 @@ bool User::HasModePermission(unsigned char, ModeType)
 
 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
 {
-       if (!IS_OPER(this))
+       if (!this->IsOper())
                return false;
 
        if (mode < 'A' || mode > ('A' + 64)) return false;
@@ -404,7 +195,7 @@ bool User::HasPermission(const std::string&)
 bool LocalUser::HasPermission(const std::string &command)
 {
        // are they even an oper at all?
-       if (!IS_OPER(this))
+       if (!this->IsOper())
        {
                return false;
        }
@@ -424,10 +215,10 @@ bool User::HasPrivPermission(const std::string &privstr, bool noisy)
 
 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
 {
-       if (!IS_OPER(this))
+       if (!this->IsOper())
        {
                if (noisy)
-                       this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str());
+                       this->WriteNotice("You are not an oper");
                return false;
        }
 
@@ -441,7 +232,8 @@ bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
        }
 
        if (noisy)
-               this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), oper->NameStr(), privstr.c_str());
+               this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
+
        return false;
 }
 
@@ -455,6 +247,7 @@ void UserIOHandler::OnDataReady()
                ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
                ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
                        user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
+               return;
        }
        unsigned long sendqmax = ULONG_MAX;
        if (!user->HasPrivPermission("users/flood/increased-buffers"))
@@ -466,7 +259,7 @@ void UserIOHandler::OnDataReady()
        while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
        {
                std::string line;
-               line.reserve(MAXBUF);
+               line.reserve(ServerInstance->Config->Limits.MaxLine);
                std::string::size_type qpos = 0;
                while (qpos < recvq.length())
                {
@@ -481,7 +274,7 @@ void UserIOHandler::OnDataReady()
                        case '\n':
                                goto eol_found;
                        }
-                       if (line.length() < MAXBUF - 2)
+                       if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
                                line.push_back(c);
                }
                // if we got here, the recvq ran out before we found a newline
@@ -491,7 +284,7 @@ eol_found:
                recvq = recvq.substr(qpos);
 
                // TODO should this be moved to when it was inserted in recvq?
-               ServerInstance->stats->statsRecv += qpos;
+               ServerInstance->stats.Recv += qpos;
                user->bytes_in += qpos;
                user->cmds_in++;
 
@@ -530,7 +323,6 @@ CullResult User::cull()
 {
        if (!quitting)
                ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
-       PurgeEmptyChannels();
 
        if (client_sa.sa.sa_family != AF_UNSPEC)
                ServerInstance->Users->RemoveCloneCounts(this);
@@ -540,12 +332,7 @@ CullResult User::cull()
 
 CullResult LocalUser::cull()
 {
-       // The iterator is initialized to local_users.end() in the constructor. It is
-       // overwritten in UserManager::AddUser() with the real iterator so this check
-       // is only a precaution currently.
-       if (localuseriter != ServerInstance->Users->local_users.end())
-               ServerInstance->Users->local_users.erase(localuseriter);
-
+       ServerInstance->Users->local_users.erase(this);
        ClearInvites();
        eh.cull();
        return User::cull();
@@ -555,20 +342,21 @@ CullResult FakeUser::cull()
 {
        // Fake users don't quit, they just get culled.
        quitting = true;
-       ServerInstance->Users->clientlist->erase(nick);
-       ServerInstance->Users->uuidlist->erase(uuid);
+       // Fake users are not inserted into UserManager::clientlist, they're only in the uuidlist
+       ServerInstance->Users->uuidlist.erase(uuid);
        return User::cull();
 }
 
 void User::Oper(OperInfo* info)
 {
-       if (this->IsModeSet('o'))
+       ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
+       if (this->IsModeSet(opermh))
                this->UnOper();
 
-       this->modes[UM_OPERATOR] = 1;
+       this->SetMode(opermh, true);
        this->oper = info;
-       this->WriteServ("MODE %s :+o", this->nick.c_str());
-       FOREACH_MOD(I_OnOper, OnOper(this, info->name));
+       this->WriteCommand("MODE", "+o");
+       FOREACH_MOD(OnOper, (this, info->name));
 
        std::string opername;
        if (info->oper_block)
@@ -586,17 +374,17 @@ void User::Oper(OperInfo* info)
        }
 
        ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
-               nick.c_str(), ident.c_str(), host.c_str(), oper->NameStr(), opername.c_str());
-       this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->NameStr());
+               nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
+       this->WriteNumeric(RPL_YOUAREOPER, ":You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
 
-       ServerInstance->Logs->Log("OPER", DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->NameStr());
+       ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
        ServerInstance->Users->all_opers.push_back(this);
 
        // Expand permissions from config for faster lookup
        if (IS_LOCAL(this))
                oper->init();
 
-       FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
+       FOREACH_MOD(OnPostOper, (this, oper->name, opername));
 }
 
 void OperInfo::init()
@@ -654,7 +442,7 @@ void OperInfo::init()
 
 void User::UnOper()
 {
-       if (!IS_OPER(this))
+       if (!this->IsOper())
                return;
 
        /*
@@ -680,30 +468,19 @@ void User::UnOper()
        parameters.push_back(this->nick);
        parameters.push_back(moderemove);
 
-       ServerInstance->Parser->CallHandler("MODE", parameters, this);
+       ServerInstance->Modes->Process(parameters, this);
 
-       /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
-       ServerInstance->Users->all_opers.remove(this);
+       // Remove the user from the oper list
+       stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);
 
-       this->modes[UM_OPERATOR] = 0;
-}
-
-/* adds or updates an entry in the whowas list */
-void User::AddToWhoWas()
-{
-       Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so");
-       if (whowas)
-       {
-               WhowasRequest req(NULL, whowas, WhowasRequest::WHOWAS_ADD);
-               req.user = this;
-               req.Send();
-       }
+       ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
+       this->SetMode(opermh, false);
 }
 
 /*
  * Check class restrictions
  */
-void LocalUser::CheckClass()
+void LocalUser::CheckClass(bool clone_count)
 {
        ConnectClass* a = this->MyClass;
 
@@ -717,25 +494,29 @@ void LocalUser::CheckClass()
                ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
                return;
        }
-       else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
-       {
-               ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
-               if (a->maxconnwarn)
-                       ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
-               return;
-       }
-       else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
+       else if (clone_count)
        {
-               ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
-               if (a->maxconnwarn)
-                       ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString());
-               return;
+               const UserManager::CloneCounts& clonecounts = ServerInstance->Users->GetCloneCounts(this);
+               if ((a->GetMaxLocal()) && (clonecounts.local > a->GetMaxLocal()))
+               {
+                       ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
+                       if (a->maxconnwarn)
+                               ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
+                       return;
+               }
+               else if ((a->GetMaxGlobal()) && (clonecounts.global > a->GetMaxGlobal()))
+               {
+                       ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
+                       if (a->maxconnwarn)
+                               ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
+                       return;
+               }
        }
 
        this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
 }
 
-bool User::CheckLines(bool doZline)
+bool LocalUser::CheckLines(bool doZline)
 {
        const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
 
@@ -758,7 +539,7 @@ bool User::CheckLines(bool doZline)
 
 void LocalUser::FullConnect()
 {
-       ServerInstance->stats->statsConnects++;
+       ServerInstance->stats.Connects++;
        this->idle_lastmsg = ServerInstance->Time();
 
        /*
@@ -775,17 +556,14 @@ void LocalUser::FullConnect()
        if (quitting)
                return;
 
-       this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
-       this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH);
-       this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
+       this->WriteNumeric(RPL_WELCOME, ":Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
+       this->WriteNumeric(RPL_YOURHOSTIS, ":Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH);
+       this->WriteNumeric(RPL_SERVERCREATED, ":This server was created %s %s", __TIME__, __DATE__);
 
-       std::string umlist = ServerInstance->Modes->UserModeList();
-       std::string cmlist = ServerInstance->Modes->ChannelModeList();
-       std::string pmlist = ServerInstance->Modes->ParaModeList();
-       this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), BRANCH, umlist.c_str(), cmlist.c_str(), pmlist.c_str());
+       const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
+       this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH, modelist.c_str());
 
-       ServerInstance->Config->Send005(this);
-       this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
+       ServerInstance->ISupport.SendTo(this);
 
        /* Now registered */
        if (ServerInstance->Users->unregistered_count)
@@ -812,16 +590,16 @@ void LocalUser::FullConnect()
         * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
         * for a user that doesn't exist yet.
         */
-       FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
+       FOREACH_MOD(OnUserConnect, (this));
 
        this->registered = REG_ALL;
 
-       FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
+       FOREACH_MOD(OnPostConnect, (this));
 
        ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
-               this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString(), this->fullname.c_str());
-       ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
-       ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
+               this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
+       ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
+       ServerInstance->BanCache.AddHit(this->GetIPString(), "", "");
        // reset the flood penalty (which could have been raised due to things like auto +x)
        CommandFloodPenalty = 0;
 }
@@ -835,25 +613,31 @@ void User::InvalidateCache()
        cached_fullrealhost.clear();
 }
 
-bool User::ChangeNick(const std::string& newnick, bool force)
+bool User::ChangeNick(const std::string& newnick, bool force, time_t newts)
 {
-       ModResult MOD_RESULT;
-
-       if (force)
-               ServerInstance->NICKForced.set(this, 1);
-       FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
-       ServerInstance->NICKForced.set(this, 0);
-
-       if (MOD_RESULT == MOD_RES_DENY)
+       if (quitting)
        {
-               ServerInstance->stats->statsCollisions++;
+               ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
                return false;
        }
 
+       if (!force)
+       {
+               ModResult MOD_RESULT;
+               FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
+
+               if (MOD_RESULT == MOD_RES_DENY)
+               {
+                       ServerInstance->stats.Collisions++;
+                       return false;
+               }
+       }
+
        if (assign(newnick) == assign(nick))
        {
                // case change, don't need to check Q:lines and such
                // and, if it's identical including case, we can leave right now
+               // We also don't update the nick TS if it's a case change, either
                if (newnick == nick)
                        return true;
        }
@@ -877,7 +661,7 @@ bool User::ChangeNick(const std::string& newnick, bool force)
                                        ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
                                                newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
                                }
-                               this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
+                               this->WriteNumeric(ERR_ERRONEUSNICKNAME, "%s :Invalid nickname: %s", newnick.c_str(), mq->reason.c_str());
                                return false;
                        }
 
@@ -885,10 +669,10 @@ bool User::ChangeNick(const std::string& newnick, bool force)
                        {
                                for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
                                {
-                                       Channel *chan = *i;
+                                       Channel* chan = (*i)->chan;
                                        if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
                                        {
-                                               this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
+                                               this->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str());
                                                return false;
                                        }
                                }
@@ -910,11 +694,11 @@ bool User::ChangeNick(const std::string& newnick, bool force)
                        if (InUse->registered != REG_ALL)
                        {
                                /* force the camper to their UUID, and ask them to re-send a NICK. */
-                               InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
-                               InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
+                               InUse->WriteFrom(InUse, "NICK %s", InUse->uuid.c_str());
+                               InUse->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", InUse->nick.c_str());
 
-                               ServerInstance->Users->clientlist->erase(InUse->nick);
-                               (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
+                               ServerInstance->Users->clientlist.erase(InUse->nick);
+                               ServerInstance->Users->clientlist[InUse->uuid] = InUse;
 
                                InUse->nick = InUse->uuid;
                                InUse->InvalidateCache();
@@ -923,10 +707,12 @@ bool User::ChangeNick(const std::string& newnick, bool force)
                        else
                        {
                                /* No camping, tell the incoming user  to stop trying to change nick ;p */
-                               this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
+                               this->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str());
                                return false;
                        }
                }
+
+               age = newts ? newts : ServerInstance->Time();
        }
 
        if (this->registered == REG_ALL)
@@ -935,11 +721,11 @@ bool User::ChangeNick(const std::string& newnick, bool force)
        nick = newnick;
 
        InvalidateCache();
-       ServerInstance->Users->clientlist->erase(oldnick);
-       (*(ServerInstance->Users->clientlist))[newnick] = this;
+       ServerInstance->Users->clientlist.erase(oldnick);
+       ServerInstance->Users->clientlist[newnick] = this;
 
        if (registered == REG_ALL)
-               FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
+               FOREACH_MOD(OnUserPostNick, (this,oldnick));
 
        return true;
 }
@@ -956,18 +742,18 @@ int LocalUser::GetServerPort()
        return 0;
 }
 
-const char* User::GetIPString()
+const std::string& User::GetIPString()
 {
        int port;
        if (cachedip.empty())
        {
                irc::sockets::satoap(client_sa, cachedip, port);
                /* IP addresses starting with a : on irc are a Bad Thing (tm) */
-               if (cachedip.c_str()[0] == ':')
-                       cachedip.insert(0,1,'0');
+               if (cachedip[0] == ':')
+                       cachedip.insert(cachedip.begin(),1,'0');
        }
 
-       return cachedip.c_str();
+       return cachedip;
 }
 
 irc::sockets::cidr_mask User::GetCIDRMask()
@@ -1018,7 +804,7 @@ void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_elin
                if (recheck_eline)
                        this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
 
-               FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(this));
+               FOREACH_MOD(OnSetUserIP, (this));
        }
 }
 
@@ -1034,23 +820,23 @@ void User::Write(const char *text, ...)
 
 void LocalUser::Write(const std::string& text)
 {
-       if (!ServerInstance->SE->BoundsCheckFd(&eh))
+       if (!SocketEngine::BoundsCheckFd(&eh))
                return;
 
-       if (text.length() > MAXBUF - 2)
+       if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
        {
                // this should happen rarely or never. Crop the string at 512 and try again.
-               std::string try_again = text.substr(0, MAXBUF - 2);
+               std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
                Write(try_again);
                return;
        }
 
-       ServerInstance->Logs->Log("USEROUTPUT", RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
+       ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
 
        eh.AddWriteBuf(text);
        eh.AddWriteBuf(wide_newline);
 
-       ServerInstance->stats->statsSent += text.length() + 2;
+       ServerInstance->stats.Sent += text.length() + 2;
        this->bytes_out += text.length() + 2;
        this->cmds_out++;
 }
@@ -1059,14 +845,9 @@ void LocalUser::Write(const std::string& text)
  */
 void LocalUser::Write(const char *text, ...)
 {
-       va_list argsPtr;
-       char textbuffer[MAXBUF];
-
-       va_start(argsPtr, text);
-       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-       va_end(argsPtr);
-
-       this->Write(std::string(textbuffer));
+       std::string textbuffer;
+       VAFORMAT(textbuffer, text, text);
+       this->Write(textbuffer);
 }
 
 void User::WriteServ(const std::string& text)
@@ -1079,32 +860,25 @@ void User::WriteServ(const std::string& text)
  */
 void User::WriteServ(const char* text, ...)
 {
-       va_list argsPtr;
-       char textbuffer[MAXBUF];
-
-       va_start(argsPtr, text);
-       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-       va_end(argsPtr);
-
-       this->WriteServ(std::string(textbuffer));
+       std::string textbuffer;
+       VAFORMAT(textbuffer, text, text);
+       this->WriteServ(textbuffer);
 }
 
+void User::WriteCommand(const char* command, const std::string& text)
+{
+       this->WriteServ(command + (this->registered & REG_NICK ? " " + this->nick : " *") + " " + text);
+}
 
 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
 {
-       va_list argsPtr;
-       char textbuffer[MAXBUF];
-
-       va_start(argsPtr, text);
-       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-       va_end(argsPtr);
-
-       this->WriteNumeric(numeric, std::string(textbuffer));
+       std::string textbuffer;
+       VAFORMAT(textbuffer, text, text);
+       this->WriteNumeric(numeric, textbuffer);
 }
 
 void User::WriteNumeric(unsigned int numeric, const std::string &text)
 {
-       char textbuffer[MAXBUF];
        ModResult MOD_RESULT;
 
        FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
@@ -1112,17 +886,15 @@ void User::WriteNumeric(unsigned int numeric, const std::string &text)
        if (MOD_RESULT == MOD_RES_DENY)
                return;
 
-       snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName.c_str(), numeric, text.c_str());
-       this->Write(std::string(textbuffer));
+       const std::string message = InspIRCd::Format(":%s %03u %s %s", ServerInstance->Config->ServerName.c_str(),
+               numeric, this->registered & REG_NICK ? this->nick.c_str() : "*", text.c_str());
+       this->Write(message);
 }
 
 void User::WriteFrom(User *user, const std::string &text)
 {
-       char tb[MAXBUF];
-
-       snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str());
-
-       this->Write(std::string(tb));
+       const std::string message = ":" + user->GetFullHost() + " " + text;
+       this->Write(message);
 }
 
 
@@ -1130,68 +902,20 @@ void User::WriteFrom(User *user, const std::string &text)
 
 void User::WriteFrom(User *user, const char* text, ...)
 {
-       va_list argsPtr;
-       char textbuffer[MAXBUF];
-
-       va_start(argsPtr, text);
-       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-       va_end(argsPtr);
-
-       this->WriteFrom(user, std::string(textbuffer));
-}
-
-
-/* write text to an destination user from a source user (e.g. user privmsg) */
-
-void User::WriteTo(User *dest, const char *data, ...)
-{
-       char textbuffer[MAXBUF];
-       va_list argsPtr;
-
-       va_start(argsPtr, data);
-       vsnprintf(textbuffer, MAXBUF, data, argsPtr);
-       va_end(argsPtr);
-
-       this->WriteTo(dest, std::string(textbuffer));
-}
-
-void User::WriteTo(User *dest, const std::string &data)
-{
-       dest->WriteFrom(this, data);
+       std::string textbuffer;
+       VAFORMAT(textbuffer, text, text);
+       this->WriteFrom(user, textbuffer);
 }
 
 void User::WriteCommon(const char* text, ...)
 {
-       char textbuffer[MAXBUF];
-       va_list argsPtr;
-
        if (this->registered != REG_ALL || quitting)
                return;
 
-       int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
-
-       va_start(argsPtr, text);
-       vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
-       va_end(argsPtr);
-
-       this->WriteCommonRaw(std::string(textbuffer), true);
-}
-
-void User::WriteCommonExcept(const char* text, ...)
-{
-       char textbuffer[MAXBUF];
-       va_list argsPtr;
-
-       if (this->registered != REG_ALL || quitting)
-               return;
-
-       int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
-
-       va_start(argsPtr, text);
-       vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
-       va_end(argsPtr);
-
-       this->WriteCommonRaw(std::string(textbuffer), false);
+       std::string textbuffer;
+       VAFORMAT(textbuffer, text, text);
+       textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
+       this->WriteCommonRaw(textbuffer, true);
 }
 
 void User::WriteCommonRaw(const std::string &line, bool include_self)
@@ -1201,12 +925,12 @@ void User::WriteCommonRaw(const std::string &line, bool include_self)
 
        LocalUser::already_sent_id++;
 
-       UserChanList include_c(chans);
+       IncludeChanList include_c(chans.begin(), chans.end());
        std::map<User*,bool> exceptions;
 
        exceptions[this] = include_self;
 
-       FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
+       FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
 
        for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
        {
@@ -1218,14 +942,14 @@ void User::WriteCommonRaw(const std::string &line, bool include_self)
                                u->Write(line);
                }
        }
-       for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
+       for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
        {
-               Channel* c = *v;
+               Channel* c = (*v)->chan;
                const UserMembList* ulist = c->GetUsers();
                for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
                {
                        LocalUser* u = IS_LOCAL(i->first);
-                       if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
+                       if (u && u->already_sent != LocalUser::already_sent_id)
                        {
                                u->already_sent = LocalUser::already_sent_id;
                                u->Write(line);
@@ -1236,23 +960,18 @@ void User::WriteCommonRaw(const std::string &line, bool include_self)
 
 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
 {
-       char tb1[MAXBUF];
-       char tb2[MAXBUF];
-
        if (this->registered != REG_ALL)
                return;
 
        already_sent_t uniq_id = ++LocalUser::already_sent_id;
 
-       snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str());
-       snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str());
-       std::string out1 = tb1;
-       std::string out2 = tb2;
+       const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
+       const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
 
-       UserChanList include_c(chans);
+       IncludeChanList include_c(chans.begin(), chans.end());
        std::map<User*,bool> exceptions;
 
-       FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
+       FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
 
        for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
        {
@@ -1261,19 +980,19 @@ void User::WriteCommonQuit(const std::string &normal_text, const std::string &op
                {
                        u->already_sent = uniq_id;
                        if (i->second)
-                               u->Write(IS_OPER(u) ? out2 : out1);
+                               u->Write(u->IsOper() ? operMessage : normalMessage);
                }
        }
-       for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
+       for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
        {
-               const UserMembList* ulist = (*v)->GetUsers();
+               const UserMembList* ulist = (*v)->chan->GetUsers();
                for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
                {
                        LocalUser* u = IS_LOCAL(i->first);
-                       if (u && !u->quitting && (u->already_sent != uniq_id))
+                       if (u && (u->already_sent != uniq_id))
                        {
                                u->already_sent = uniq_id;
-                               u->Write(IS_OPER(u) ? out2 : out1);
+                               u->Write(u->IsOper() ? operMessage : normalMessage);
                        }
                }
        }
@@ -1295,38 +1014,26 @@ void FakeUser::SendText(const std::string& line)
 
 void User::SendText(const char *text, ...)
 {
-       va_list argsPtr;
-       char line[MAXBUF];
-
-       va_start(argsPtr, text);
-       vsnprintf(line, MAXBUF, text, argsPtr);
-       va_end(argsPtr);
-
-       SendText(std::string(line));
+       std::string line;
+       VAFORMAT(line, text, text);
+       SendText(line);
 }
 
-void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream)
+void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
 {
-       char line[MAXBUF];
-       int start_pos = LinePrefix.length();
-       int pos = start_pos;
-       memcpy(line, LinePrefix.data(), pos);
-       std::string Word;
-       while (TextStream >> Word)
+       std::string line;
+       std::string word;
+       while (textStream >> word)
        {
-               int len = Word.length();
-               if (pos + len + 12 > MAXBUF)
+               size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
+               if (lineLength > ServerInstance->Config->Limits.MaxLine)
                {
-                       line[pos] = '\0';
-                       SendText(std::string(line));
-                       pos = start_pos;
+                       SendText(linePrefix + line);
+                       line.clear();
                }
-               line[pos] = ' ';
-               memcpy(line + pos + 1, Word.data(), len);
-               pos += len + 1;
+               line += " " + word;
        }
-       line[pos] = '\0';
-       SendText(std::string(line));
+       SendText(linePrefix + line);
 }
 
 /* return 0 or 1 depending if users u and u2 share one or more common channels
@@ -1343,22 +1050,19 @@ void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream
  */
 bool User::SharesChannelWith(User *other)
 {
-       if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
-               return false;
-
        /* Outer loop */
        for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
        {
                /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
                 * by replacing it with a map::find which *should* be more efficient
                 */
-               if ((*i)->HasUser(other))
+               if ((*i)->chan->HasUser(other))
                        return true;
        }
        return false;
 }
 
-bool User::ChangeName(const char* gecos)
+bool User::ChangeName(const std::string& gecos)
 {
        if (!this->fullname.compare(gecos))
                return true;
@@ -1369,83 +1073,14 @@ bool User::ChangeName(const char* gecos)
                FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
                if (MOD_RESULT == MOD_RES_DENY)
                        return false;
-               FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
+               FOREACH_MOD(OnChangeName, (this,gecos));
        }
        this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
 
        return true;
 }
 
-void User::DoHostCycle(const std::string &quitline)
-{
-       char buffer[MAXBUF];
-
-       if (!ServerInstance->Config->CycleHosts)
-               return;
-
-       already_sent_t silent_id = ++LocalUser::already_sent_id;
-       already_sent_t seen_id = ++LocalUser::already_sent_id;
-
-       UserChanList include_c(chans);
-       std::map<User*,bool> exceptions;
-
-       FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
-
-       for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
-       {
-               LocalUser* u = IS_LOCAL(i->first);
-               if (u && !u->quitting)
-               {
-                       if (i->second)
-                       {
-                               u->already_sent = seen_id;
-                               u->Write(quitline);
-                       }
-                       else
-                       {
-                               u->already_sent = silent_id;
-                       }
-               }
-       }
-       for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
-       {
-               Channel* c = *v;
-               snprintf(buffer, MAXBUF, ":%s JOIN %s", GetFullHost().c_str(), c->name.c_str());
-               std::string joinline(buffer);
-               Membership* memb = c->GetUser(this);
-               std::string modeline = memb->modes;
-               if (modeline.length() > 0)
-               {
-                       for(unsigned int i=0; i < memb->modes.length(); i++)
-                               modeline.append(" ").append(nick);
-                       snprintf(buffer, MAXBUF, ":%s MODE %s +%s",
-                               ServerInstance->Config->CycleHostsFromUser ? GetFullHost().c_str() : ServerInstance->Config->ServerName.c_str(),
-                               c->name.c_str(), modeline.c_str());
-                       modeline = buffer;
-               }
-
-               const UserMembList *ulist = c->GetUsers();
-               for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
-               {
-                       LocalUser* u = IS_LOCAL(i->first);
-                       if (u == NULL || u == this)
-                               continue;
-                       if (u->already_sent == silent_id)
-                               continue;
-
-                       if (u->already_sent != seen_id)
-                       {
-                               u->Write(quitline);
-                               u->already_sent = seen_id;
-                       }
-                       u->Write(joinline);
-                       if (modeline.length() > 0)
-                               u->Write(modeline);
-               }
-       }
-}
-
-bool User::ChangeDisplayedHost(const char* shost)
+bool User::ChangeDisplayedHost(const std::string& shost)
 {
        if (dhost == shost)
                return true;
@@ -1458,116 +1093,30 @@ bool User::ChangeDisplayedHost(const char* shost)
                        return false;
        }
 
-       FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
-
-       std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
-
-       /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
-       this->dhost.assign(shost, 0, 64);
+       FOREACH_MOD(OnChangeHost, (this,shost));
 
+       this->dhost.assign(shost, 0, ServerInstance->Config->Limits.MaxHost);
        this->InvalidateCache();
 
-       this->DoHostCycle(quitstr);
-
        if (IS_LOCAL(this))
-               this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
+               this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str());
 
        return true;
 }
 
-bool User::ChangeIdent(const char* newident)
+bool User::ChangeIdent(const std::string& newident)
 {
        if (this->ident == newident)
                return true;
 
-       FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
-
-       std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
+       FOREACH_MOD(OnChangeIdent, (this,newident));
 
        this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
-
        this->InvalidateCache();
 
-       this->DoHostCycle(quitstr);
-
        return true;
 }
 
-void User::SendAll(const char* command, const char* text, ...)
-{
-       char textbuffer[MAXBUF];
-       char formatbuffer[MAXBUF];
-       va_list argsPtr;
-
-       va_start(argsPtr, text);
-       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-       va_end(argsPtr);
-
-       snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer);
-       std::string fmt = formatbuffer;
-
-       for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
-       {
-               if ((*i)->registered == REG_ALL)
-                       (*i)->Write(fmt);
-       }
-}
-
-
-std::string User::ChannelList(User* source, bool spy)
-{
-       std::string list;
-
-       for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
-       {
-               Channel* c = *i;
-               /* If the target is the sender, neither +p nor +s is set, or
-                * the channel contains the user, it is not a spy channel
-                */
-               if (spy != (source == this || !(c->IsModeSet('p') || c->IsModeSet('s')) || c->HasUser(source)))
-                       list.append(c->GetPrefixChar(this)).append(c->name).append(" ");
-       }
-
-       return list;
-}
-
-void User::SplitChanList(User* dest, const std::string &cl)
-{
-       std::string line;
-       std::ostringstream prefix;
-       std::string::size_type start, pos, length;
-
-       prefix << this->nick << " " << dest->nick << " :";
-       line = prefix.str();
-       int namelen = ServerInstance->Config->ServerName.length() + 6;
-
-       for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
-       {
-               length = (pos == std::string::npos) ? cl.length() : pos;
-
-               if (line.length() + namelen + length - start > 510)
-               {
-                       ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
-                       line = prefix.str();
-               }
-
-               if(pos == std::string::npos)
-               {
-                       line.append(cl.substr(start, length - start));
-                       break;
-               }
-               else
-               {
-                       line.append(cl.substr(start, length - start + 1));
-               }
-       }
-
-       if (line.length() != prefix.str().length())
-       {
-               ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
-       }
-}
-
 /*
  * Sets a user's connection class.
  * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
@@ -1579,7 +1128,7 @@ void LocalUser::SetClass(const std::string &explicit_name)
 {
        ConnectClass *found = NULL;
 
-       ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
+       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
 
        if (!explicit_name.empty())
        {
@@ -1589,7 +1138,7 @@ void LocalUser::SetClass(const std::string &explicit_name)
 
                        if (explicit_name == c->name)
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Explicitly set to %s", explicit_name.c_str());
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
                                found = c;
                        }
                }
@@ -1599,7 +1148,7 @@ void LocalUser::SetClass(const std::string &explicit_name)
                for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
                {
                        ConnectClass* c = *i;
-                       ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Checking %s", c->GetName().c_str());
+                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
 
                        ModResult MOD_RESULT;
                        FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
@@ -1607,7 +1156,7 @@ void LocalUser::SetClass(const std::string &explicit_name)
                                continue;
                        if (MOD_RESULT == MOD_RES_ALLOW)
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Class forced by module to %s", c->GetName().c_str());
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
                                found = c;
                                break;
                        }
@@ -1623,7 +1172,7 @@ void LocalUser::SetClass(const std::string &explicit_name)
                        if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
                            !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "No host match (for %s)", c->GetHost().c_str());
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
                                continue;
                        }
 
@@ -1633,7 +1182,7 @@ void LocalUser::SetClass(const std::string &explicit_name)
                         */
                        if (c->limit && (c->GetReferenceCount() >= c->limit))
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
                                continue;
                        }
 
@@ -1641,7 +1190,7 @@ void LocalUser::SetClass(const std::string &explicit_name)
                        int port = c->config->getInt("port");
                        if (port)
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Requires port (%d)", port);
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
 
                                /* and our port doesn't match, fail. */
                                if (this->GetServerPort() != port)
@@ -1650,9 +1199,9 @@ void LocalUser::SetClass(const std::string &explicit_name)
 
                        if (regdone && !c->config->getString("password").empty())
                        {
-                               if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
+                               if (!ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
                                {
-                                       ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Bad password, skipping");
+                                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
                                        continue;
                                }
                        }
@@ -1672,27 +1221,13 @@ void LocalUser::SetClass(const std::string &explicit_name)
        }
 }
 
-/* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
- * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
- * then their ip will be taken as 'priority' anyway, so for example,
- * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
- */
-ConnectClass* LocalUser::GetClass()
-{
-       return MyClass;
-}
-
-ConnectClass* User::GetClass()
-{
-       return NULL;
-}
-
 void User::PurgeEmptyChannels()
 {
        // firstly decrement the count on each channel
-       for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
+       for (UCListIter i = this->chans.begin(); i != this->chans.end(); )
        {
-               Channel* c = *f;
+               Channel* c = (*i)->chan;
+               ++i;
                c->DelUser(this);
        }
 
@@ -1703,20 +1238,21 @@ const std::string& FakeUser::GetFullHost()
 {
        if (!ServerInstance->Config->HideWhoisServer.empty())
                return ServerInstance->Config->HideWhoisServer;
-       return server;
+       return server->GetName();
 }
 
 const std::string& FakeUser::GetFullRealHost()
 {
        if (!ServerInstance->Config->HideWhoisServer.empty())
                return ServerInstance->Config->HideWhoisServer;
-       return server;
+       return server->GetName();
 }
 
 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
        : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
        pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
-       penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0), limit(0)
+       penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(ServerInstance->Config->MaxChans),
+       limit(0), resolvehostnames(true)
 {
 }
 
@@ -1726,7 +1262,7 @@ ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, cons
        softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
        penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
        maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
-       limit(parent.limit)
+       limit(parent.limit), resolvehostnames(parent.resolvehostnames)
 {
 }
 
@@ -1749,4 +1285,5 @@ void ConnectClass::Update(const ConnectClass* src)
        maxconnwarn = src->maxconnwarn;
        maxchans = src->maxchans;
        limit = src->limit;
+       resolvehostnames = src->resolvehostnames;
 }