]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/channels.cpp
OOPS! We try again, since I'm smoking craq. LF is 0x0a NOT CR.
[user/henk/code/inspircd.git] / src / channels.cpp
index 74543925e78b428be4c279df9ea520fcec0b1f82..b44a863b4fc501eb8e4ae1a92b2d503ddcd86e98 100644 (file)
@@ -1 +1,1067 @@
-/*       +------------------------------------+\r *       | Inspire Internet Relay Chat Daemon |\r *       +------------------------------------+\r *\r *  InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r *            the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include <stdarg.h>\r#include "configreader.h"\r#include "users.h"\r#include "modules.h"\r#include "wildcard.h"\r#include "mode.h"\r\rchanrec::chanrec(InspIRCd* Instance) : ServerInstance(Instance)\r{\r    *name = *topic = *setby = *key = 0;\r    maxbans = created = topicset = limit = 0;\r      memset(&modes,0,64);\r   age = ServerInstance->Time(true);\r}\r\rvoid chanrec::SetMode(char mode,bool mode_on)\r{\r   modes[mode-65] = mode_on;\r      if (!mode_on)\r          this->SetModeParam(mode,"",false);\r}\r\r\rvoid chanrec::SetModeParam(char mode,const char* parameter,bool mode_on)\r{\r      CustomModeList::iterator n = custom_mode_params.find(mode);     \r\r      if (mode_on)\r   {\r              if (n == custom_mode_params.end())\r                     custom_mode_params[mode] = strdup(parameter);\r  }\r      else\r   {\r              if (n != custom_mode_params.end())\r             {\r                      free(n->second);\r                       custom_mode_params.erase(n);\r           }\r      }\r}\r\rbool chanrec::IsModeSet(char mode)\r{\r      return modes[mode-65];\r}\r\rstd::string chanrec::GetModeParameter(char mode)\r{\r   switch (mode)\r  {\r              case 'k':\r                      return this->key;\r              case 'l':\r                      return ConvToStr(this->limit);\r         default:\r                       CustomModeList::iterator n = custom_mode_params.find(mode);\r                    if (n != custom_mode_params.end())\r                             return n->second;\r                      return "";\r             break;\r }\r}\r\rlong chanrec::GetUserCounter()\r{\r  return (this->internal_userlist.size());\r}\r\rvoid chanrec::AddUser(userrec* user)\r{\r     internal_userlist[user] = user->nick;\r}\r\runsigned long chanrec::DelUser(userrec* user)\r{\r       CUListIter a = internal_userlist.find(user);\r   \r       if (a != internal_userlist.end())\r      {\r              internal_userlist.erase(a);\r            /* And tidy any others... */\r           DelOppedUser(user);\r            DelHalfoppedUser(user);\r                DelVoicedUser(user);\r   }\r      \r       return internal_userlist.size();\r}\r\rbool chanrec::HasUser(userrec* user)\r{\r     return (internal_userlist.find(user) != internal_userlist.end());\r}\r\rvoid chanrec::AddOppedUser(userrec* user)\r{\r       internal_op_userlist[user] = user->nick;\r}\r\rvoid chanrec::DelOppedUser(userrec* user)\r{\r        CUListIter a = internal_op_userlist.find(user);\r        if (a != internal_op_userlist.end())\r   {\r              internal_op_userlist.erase(a);\r         return;\r        }\r}\r\rvoid chanrec::AddHalfoppedUser(userrec* user)\r{\r   internal_halfop_userlist[user] = user->nick;\r}\r\rvoid chanrec::DelHalfoppedUser(userrec* user)\r{\r        CUListIter a = internal_halfop_userlist.find(user);\r\r   if (a != internal_halfop_userlist.end())\r       {   \r           internal_halfop_userlist.erase(a);\r     }\r}\r\rvoid chanrec::AddVoicedUser(userrec* user)\r{\r      internal_voice_userlist[user] = user->nick;\r}\r\rvoid chanrec::DelVoicedUser(userrec* user)\r{\r    CUListIter a = internal_voice_userlist.find(user);\r     \r       if (a != internal_voice_userlist.end())\r        {\r              internal_voice_userlist.erase(a);\r      }\r}\r\rCUList* chanrec::GetUsers()\r{\r     return &internal_userlist;\r}\r\rCUList* chanrec::GetOppedUsers()\r{\r       return &internal_op_userlist;\r}\r\rCUList* chanrec::GetHalfoppedUsers()\r{\r        return &internal_halfop_userlist;\r}\r\rCUList* chanrec::GetVoicedUsers()\r{\r       return &internal_voice_userlist;\r}\r\rvoid chanrec::SetDefaultModes()\r{\r  irc::spacesepstream list(ServerInstance->Config->DefaultModes);\r        std::string modeseq = list.GetToken();\r std::string parameter;\r userrec* dummyuser = new userrec(ServerInstance);\r      dummyuser->SetFd(FD_MAGIC_NUMBER);\r\r    for (std::string::iterator n = modeseq.begin(); n != modeseq.end(); ++n)\r       {\r              ModeHandler* mode = ServerInstance->Modes->FindMode(*n, MODETYPE_CHANNEL);\r             if (mode)\r              {\r                      if (mode->GetNumParams(true))\r                          parameter = list.GetToken().c_str();\r                   else\r                           parameter.clear();\r\r                    mode->OnModeChange(dummyuser, dummyuser, this, parameter, true);\r               }\r      }\r\r     delete dummyuser;\r}\r\r/* \r * add a channel to a user, creating the record for it if needed and linking\r * it to the user record \r */\rchanrec* chanrec::JoinUser(InspIRCd* Instance, userrec *user, const char* cn, bool override, const char* key, time_t TS)\r{\r if (!user || !cn)\r              return NULL;\r\r  bool new_channel = false;\r      char cname[MAXBUF];\r    int MOD_RESULT = 0;\r    strlcpy(cname,cn,CHANMAX);\r\r    std::string privs;\r\r    chanrec* Ptr = Instance->FindChan(cname);\r\r     if (!Ptr)\r      {\r              if ((!IS_LOCAL(user)) && (!TS))\r                        Instance->Log(DEBUG,"*** BUG *** chanrec::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick, cn);\r\r            privs = "@";\r\r          if (IS_LOCAL(user) && override == false)\r               {\r                      MOD_RESULT = 0;\r                        FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname,privs));\r                       if (MOD_RESULT == 1)\r                           return NULL;\r           }\r\r             /* create a new one */\r         Ptr = new chanrec(Instance);\r           (*(Instance->chanlist))[cname] = Ptr;\r\r         strlcpy(Ptr->name, cname,CHANMAX);\r\r            /* As spotted by jilles, dont bother to set this on remote users */\r            if (IS_LOCAL(user))\r                    Ptr->SetDefaultModes();\r\r               Ptr->created = TS ? TS : Instance->Time();\r             Ptr->age = Ptr->created;\r               *Ptr->topic = 0;\r               *Ptr->setby = 0;\r               Ptr->topicset = 0;\r             new_channel = true;\r    }\r      else\r   {\r              /* Already on the channel */\r           if (Ptr->HasUser(user))\r                        return NULL;\r\r          /*\r              * remote users are allowed us to bypass channel modes\r          * and bans (used by servers)\r           */\r            if (IS_LOCAL(user) && override == false)\r               {\r                      MOD_RESULT = 0;\r                        FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname,privs));\r                        if (MOD_RESULT == 1)\r                   {\r                              return NULL;\r                   }\r                      else if (MOD_RESULT == 0)\r                      {\r                              if (*Ptr->key)\r                         {\r                                      MOD_RESULT = 0;\r                                        FOREACH_RESULT_I(Instance,I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));\r                                 if (!MOD_RESULT)\r                                       {\r                                              if ((!key) || strcmp(key,Ptr->key))\r                                            {\r                                                      user->WriteServ("475 %s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name);\r                                                       return NULL;\r                                           }\r                                      }\r                              }\r                              if (Ptr->modes[CM_INVITEONLY])\r                         {\r                                      MOD_RESULT = 0;\r                                        FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr));\r                                   if (!MOD_RESULT)\r                                       {\r                                              if (user->IsInvited(Ptr->name))\r                                                {\r                                                      /* user was invited to channel */\r                                                      /* there may be an optional channel NOTICE here */\r                                             }\r                                              else\r                                           {\r                                                      user->WriteServ("473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);\r                                                 return NULL;\r                                           }\r                                      }\r                                      user->RemoveInvite(Ptr->name);\r                         }\r                              if (Ptr->limit)\r                                {\r                                      MOD_RESULT = 0;\r                                        FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr));\r                                     if (!MOD_RESULT)\r                                       {\r                                              if (Ptr->GetUserCounter() >= Ptr->limit)\r                                               {\r                                                      user->WriteServ("471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);\r                                                     return NULL;\r                                           }\r                                      }\r                              }\r                              if (Ptr->bans.size())\r                          {\r                                      if (Ptr->IsBanned(user))\r                                       {\r                                              user->WriteServ("474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);\r                                               return NULL;\r                                   }\r                              }\r                      }\r              }\r      }\r\r     /* NOTE: If the user is an oper here, we can extend their user->chans by up to\r  * OperMaxchans. For remote users which are not bound by the channel limits,\r    * we can extend infinitely. Otherwise, nope, youre restricted to MaxChans.\r     */\r    if (!IS_LOCAL(user) || override == true)\r       {\r              return chanrec::ForceChan(Instance, Ptr, user, privs);\r }\r      else if (IS_OPER(user))\r        {\r              /* Oper allows extension up to the OperMaxchans value */\r               if (user->chans.size() < Instance->Config->OperMaxChans)\r               {\r                      return chanrec::ForceChan(Instance, Ptr, user, privs);\r         }\r      }\r      else if (user->chans.size() < Instance->Config->MaxChans)\r      {\r              return chanrec::ForceChan(Instance, Ptr, user, privs);\r }\r\r\r    user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname);\r\r if (new_channel)\r       {\r              /* Things went seriously pear shaped, so take this away. bwahaha. */\r           chan_hash::iterator n = Instance->chanlist->find(cname);\r               if (n != Instance->chanlist->end())\r            {\r                      Ptr->DelUser(user);\r                    DELETE(Ptr);\r                   Instance->chanlist->erase(n);\r          }\r      }\r\r     return NULL;\r}\r\rchanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr, userrec* user, const std::string &privs)\r{\r       userrec* dummyuser = new userrec(Instance);\r    std::string nick = user->nick;\r bool silent = false;\r\r  dummyuser->SetFd(FD_MAGIC_NUMBER);\r     Ptr->AddUser(user);\r\r   /* Just in case they have no permissions */\r    user->chans[Ptr] = 0;\r\r for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++)\r     {\r              const char status = *x;\r                ModeHandler* mh = Instance->Modes->FindPrefix(status);\r         if (mh)\r                {\r                      Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true);\r                       /* Make sure that the mode handler knows this mode was now set */\r                      mh->OnModeChange(dummyuser, dummyuser, Ptr, nick, true);\r\r                      switch (mh->GetPrefix())\r                       {\r                              /* These logic ops are SAFE IN THIS CASE\r                                * because if the entry doesnt exist,\r                           * addressing operator[] creates it.\r                            * If they do exist, it points to it.\r                           * At all other times where we dont want\r                                * to create an item if it doesnt exist, we\r                             * must stick to ::find().\r                              */\r                            case '@':\r                                      user->chans[Ptr] |= UCMODE_OP;\r                         break;\r                         case '%':\r                                      user->chans[Ptr] |= UCMODE_HOP;\r                                break;\r                         case '+':\r                                      user->chans[Ptr] |= UCMODE_VOICE;\r                              break;\r                 }\r              }\r      }\r\r     delete dummyuser;\r\r     FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user, Ptr, silent));\r\r   if (!silent)\r           Ptr->WriteChannel(user,"JOIN :%s",Ptr->name);\r\r /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */\r       std::string ms = Instance->Modes->ModeString(user, Ptr);\r       if ((Ptr->GetUserCounter() > 1) && (ms.length()))\r              Ptr->WriteAllExceptSender(user, true, 0, "MODE %s +%s", Ptr->name, ms.c_str());\r\r       /* Major improvement by Brain - we dont need to be calculating all this pointlessly for remote users */\r        if (IS_LOCAL(user))\r    {\r              if (Ptr->topicset)\r             {\r                      user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);\r                   user->WriteServ("333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);\r          }\r              Ptr->UserList(user);\r   }\r      FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user, Ptr));\r    return Ptr;\r}\r\rbool chanrec::IsBanned(userrec* user)\r{\r char mask[MAXBUF];\r     int MOD_RESULT = 0;\r    FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this));\r   if (!MOD_RESULT)\r       {\r              snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());\r              for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)\r             {\r                      /* This allows CIDR ban matching\r                        * \r                     *        Full masked host                      Full unmasked host                   IP with/without CIDR\r                       */\r                    if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true)))\r                  {\r                              return true;\r                   }\r              }\r      }\r      return false;\r}\r\r/* chanrec::PartUser\r * remove a channel from a users record, and return the number of users left.\r * Therefore, if this function returns 0 the caller should delete the chanrec.\r */\rlong chanrec::PartUser(userrec *user, const char* reason)\r{\r     bool silent = false;\r\r  if (!user)\r             return this->GetUserCounter();\r\r        UCListIter i = user->chans.find(this);\r if (i != user->chans.end())\r    {\r              FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : "", silent));\r\r               if (!silent)\r                   this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : "");\r\r                user->chans.erase(i);\r          this->RemoveAllPrefixes(user);\r }\r\r     if (!this->DelUser(user)) /* if there are no users left on the channel... */\r   {\r              chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);\r         /* kill the record */\r          if (iter != ServerInstance->chanlist->end())\r           {\r                      FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));\r                  ServerInstance->chanlist->erase(iter);\r         }\r              return 0;\r      }\r\r     return this->GetUserCounter();\r}\r\rlong chanrec::ServerKickUser(userrec* user, const char* reason, bool triggerevents)\r{\r        bool silent = false;\r\r  if (!user || !reason)\r          return this->GetUserCounter();\r\r        if (IS_LOCAL(user))\r    {\r              if (!this->HasUser(user))\r              {\r                      /* Not on channel */\r                   return this->GetUserCounter();\r         }\r      }\r\r     if (triggerevents)\r     {\r              FOREACH_MOD(I_OnUserKick,OnUserKick(NULL, user, this, reason, silent));\r        }\r\r     UCListIter i = user->chans.find(this);\r if (i != user->chans.end())\r    {\r              if (!silent)\r                   this->WriteChannelWithServ(ServerInstance->Config->ServerName, "KICK %s %s :%s", this->name, user->nick, reason);\r\r             user->chans.erase(i);\r          this->RemoveAllPrefixes(user);\r }\r\r     if (!this->DelUser(user))\r      {\r              chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);\r         /* kill the record */\r          if (iter != ServerInstance->chanlist->end())\r           {\r                      FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));\r                  ServerInstance->chanlist->erase(iter);\r         }\r              return 0;\r      }\r\r     return this->GetUserCounter();\r}\r\rlong chanrec::KickUser(userrec *src, userrec *user, const char* reason)\r{\r    bool silent = false;\r\r  if (!src || !user || !reason)\r          return this->GetUserCounter();\r\r        if (IS_LOCAL(src))\r     {\r              if (!this->HasUser(user))\r              {\r                      src->WriteServ("441 %s %s %s :They are not on that channel",src->nick, user->nick, this->name);\r                        return this->GetUserCounter();\r         }\r              if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))\r            {\r                      src->WriteServ("482 %s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name);\r                    return this->GetUserCounter();\r         }\r              int MOD_RESULT = 0;\r\r           if (!ServerInstance->ULine(src->server))\r               {\r                      MOD_RESULT = 0;\r                        FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason));\r                   if (MOD_RESULT == 1)\r                           return this->GetUserCounter();\r         }\r              /* Set to -1 by OnUserPreKick if explicit allow was set */\r             if (MOD_RESULT != -1)\r          {\r                      FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK));\r                  if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server)))\r                         return this->GetUserCounter();\r \r                       if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server)))\r                      {\r                              int them = this->GetStatus(src);\r                               int us = this->GetStatus(user);\r                                if ((them < STATUS_HOP) || (them < us))\r                                {\r                                      src->WriteServ("482 %s %s :You must be a channel %soperator",src->nick, this->name, them == STATUS_HOP ? "" : "half-");\r                                        return this->GetUserCounter();\r                         }\r                      }\r              }\r      }\r\r     FOREACH_MOD(I_OnUserKick,OnUserKick(src, user, this, reason, silent));\r\r        UCListIter i = user->chans.find(this);\r if (i != user->chans.end())\r    {\r              /* zap it from the channel list of the user */\r         if (!silent)\r                   this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason);\r\r            user->chans.erase(i);\r          this->RemoveAllPrefixes(user);\r }\r\r     if (!this->DelUser(user))\r      /* if there are no users left on the channel */\r        {\r              chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);\r\r                /* kill the record */\r          if (iter != ServerInstance->chanlist->end())\r           {\r                      FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));\r                  ServerInstance->chanlist->erase(iter);\r         }\r              return 0;\r      }\r\r     return this->GetUserCounter();\r}\r\rvoid chanrec::WriteChannel(userrec* user, char* text, ...)\r{\r char textbuffer[MAXBUF];\r       va_list argsPtr;\r\r      if (!user || !text)\r            return;\r\r       va_start(argsPtr, text);\r       vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r  va_end(argsPtr);\r\r      this->WriteChannel(user, std::string(textbuffer));\r}\r\rvoid chanrec::WriteChannel(userrec* user, const std::string &text)\r{\r     CUList *ulist = this->GetUsers();\r      char tb[MAXBUF];\r\r      if (!user)\r             return;\r\r       snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());\r std::string out = tb;\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r      {\r              if (IS_LOCAL(i->first))\r                        i->first->Write(out);\r  }\r}\r\rvoid chanrec::WriteChannelWithServ(const char* ServName, const char* text, ...)\r{\r char textbuffer[MAXBUF];\r       va_list argsPtr;\r\r      if (!text)\r             return;\r\r       va_start(argsPtr, text);\r       vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r  va_end(argsPtr);\r\r      this->WriteChannelWithServ(ServName, std::string(textbuffer));\r}\r\rvoid chanrec::WriteChannelWithServ(const char* ServName, const std::string &text)\r{\r  CUList *ulist = this->GetUsers();\r      char tb[MAXBUF];\r\r      snprintf(tb,MAXBUF,":%s %s",ServName ? ServName : ServerInstance->Config->ServerName, text.c_str());\r   std::string out = tb;\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r      {\r              if (IS_LOCAL(i->first))\r                        i->first->Write(out);\r  }\r}\r\r/* write formatted text from a source user to all users on a channel except\r * for the sender (for privmsg etc) */\rvoid chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, char* text, ...)\r{\r   char textbuffer[MAXBUF];\r       va_list argsPtr;\r\r      if (!text)\r             return;\r\r       va_start(argsPtr, text);\r       vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r  va_end(argsPtr);\r\r      this->WriteAllExceptSender(user, serversource, status, std::string(textbuffer));\r}\r\rvoid chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, char* text, ...)\r{\r        char textbuffer[MAXBUF];\r       va_list argsPtr;\r\r      if (!text)\r             return;\r\r       va_start(argsPtr, text);\r       vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r  va_end(argsPtr);\r\r      this->WriteAllExcept(user, serversource, status, except_list, std::string(textbuffer));\r}\r\rvoid chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, const std::string &text)\r{\r CUList *ulist;\r char tb[MAXBUF];\r\r      switch (status)\r        {\r              case '@':\r                      ulist = this->GetOppedUsers();\r                 break;\r         case '%':\r                      ulist = this->GetHalfoppedUsers();\r                     break;\r         case '+':\r                      ulist = this->GetVoicedUsers();\r                        break;\r         default:\r                       ulist = this->GetUsers();\r                      break;\r }\r\r     snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());\r std::string out = tb;\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r      {\r              if ((IS_LOCAL(i->first)) && (except_list.find(i->first) == except_list.end()))\r         {\r                      if (serversource)\r                              i->first->WriteServ(text);\r                     else\r                           i->first->Write(out);\r          }\r      }\r}\r\rvoid chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text)\r{\r      CUList except_list;\r    except_list[user] = user->nick;\r        this->WriteAllExcept(user, serversource, status, except_list, std::string(text));\r}\r\r/*\r * return a count of the users on a specific channel accounting for\r * invisible users who won't increase the count. e.g. for /LIST\r */\rint chanrec::CountInvisible()\r{\r        int count = 0;\r CUList *ulist= this->GetUsers();\r       for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r      {\r              if (!(i->first->IsModeSet('i')))\r                       count++;\r       }\r\r     return count;\r}\r\rchar* chanrec::ChanModes(bool showkey)\r{\r      static char scratch[MAXBUF];\r   static char sparam[MAXBUF];\r    char* offset = scratch;\r        std::string extparam;\r\r *scratch = '\0';\r       *sparam = '\0';\r\r       /* This was still iterating up to 190, chanrec::modes is only 64 elements -- Om */\r     for(int n = 0; n < 64; n++)\r    {\r              if(this->modes[n])\r             {\r                      *offset++ = n + 65;\r                    extparam.clear();\r                      switch (n)\r                     {\r                              case CM_KEY:\r                                   extparam = (showkey ? this->key : "<key>");\r                            break;\r                         case CM_LIMIT:\r                                 extparam = ConvToStr(this->limit);\r                             break;\r                         case CM_NOEXTERNAL:\r                            case CM_TOPICLOCK:\r                             case CM_INVITEONLY:\r                            case CM_MODERATED:\r                             case CM_SECRET:\r                                case CM_PRIVATE:\r                                       /* We know these have no parameters */\r                         break;\r                         default:\r                                       extparam = this->GetModeParameter(n + 65);\r                             break;\r                 }\r                      if (!extparam.empty())\r                 {\r                              charlcat(sparam,' ',MAXBUF);\r                           strlcat(sparam,extparam.c_str(),MAXBUF);\r                       }\r              }\r      }\r\r     /* Null terminate scratch */\r   *offset = '\0';\r        strlcat(scratch,sparam,MAXBUF);\r        return scratch;\r}\r\r/* compile a userlist of a channel into a string, each nick seperated by\r * spaces and op, voice etc status shown as @ and +, and send it to 'user'\r */\rvoid chanrec::UserList(userrec *user, CUList *ulist)\r{\r      char list[MAXBUF];\r     size_t dlen, curlen;\r   int MOD_RESULT = 0;\r\r   if (!IS_LOCAL(user))\r           return;\r\r       FOREACH_RESULT(I_OnUserList,OnUserList(user, this, ulist));\r    if (MOD_RESULT == 1)\r           return;\r\r       dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);\r\r        int numusers = 0;\r      char* ptr = list + dlen;\r\r      if (!ulist)\r            ulist = this->GetUsers();\r\r     /* Improvement by Brain - this doesnt change in value, so why was it inside\r     * the loop?\r    */\r    bool has_user = this->HasUser(user);\r\r  for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r      {\r              if ((!has_user) && (i->first->modes[UM_INVISIBLE]))\r            {\r                      /*\r                      * user is +i, and source not on the channel, does not show\r                     * nick in NAMES list\r                   */\r                    continue;\r              }\r\r             if (i->first->Visibility && !i->first->Visibility->VisibleTo(user))\r                    continue;\r\r             size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->first), i->second.c_str());\r              /* OnUserList can change this - reset it back to normal */\r             i->second = i->first->nick;\r\r           curlen += ptrlen;\r              ptr += ptrlen;\r\r                numusers++;\r\r           if (curlen > (480-NICKMAX))\r            {\r                      /* list overflowed into multiple numerics */\r                   user->WriteServ(std::string(list));\r\r                   /* reset our lengths */\r                        dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);\r                 ptr = list + dlen;\r\r                    ptrlen = 0;\r                    numusers = 0;\r          }\r      }\r\r     /* if whats left in the list isnt empty, send it */\r    if (numusers)\r  {\r              user->WriteServ(std::string(list));\r    }\r\r     user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, this->name);\r}\r\rlong chanrec::GetMaxBans()\r{\r     /* Return the cached value if there is one */\r  if (this->maxbans)\r             return this->maxbans;\r\r /* If there isnt one, we have to do some O(n) hax to find it the first time. (ick) */\r  for (std::map<std::string,int>::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++)\r {\r              if (match(this->name,n->first.c_str()))\r                {\r                      this->maxbans = n->second;\r                     return n->second;\r              }\r      }\r\r     /* Screw it, just return the default of 64 */\r  this->maxbans = 64;\r    return this->maxbans;\r}\r\rvoid chanrec::ResetMaxBans()\r{\r        this->maxbans = 0;\r}\r\r/* returns the status character for a given user on a channel, e.g. @ for op,\r * % for halfop etc. If the user has several modes set, the highest mode\r * the user has must be returned.\r */\rconst char* chanrec::GetPrefixChar(userrec *user)\r{\r static char pf[2] = {0, 0};\r    \r       prefixlist::iterator n = prefixes.find(user);\r  if (n != prefixes.end())\r       {\r              if (n->second.size())\r          {\r                      /* If the user has any prefixes, their highest prefix\r                   * will always be at the head of the list, as the list is\r                       * sorted in rank order highest first (see SetPrefix()\r                  * for reasons why)\r                     */\r                    *pf = n->second.begin()->first;\r                        return pf;\r             }\r      }\r\r     *pf = 0;\r       return pf;\r}\r\rconst char* chanrec::GetAllPrefixChars(userrec* user)\r{\r  static char prefix[MAXBUF];\r    int ctr = 0;\r   *prefix = 0;\r\r  prefixlist::iterator n = prefixes.find(user);\r  if (n != prefixes.end())\r       {\r              for (std::vector<prefixtype>::iterator x = n->second.begin(); x != n->second.end(); x++)\r               {\r                      prefix[ctr++] = x->first;\r              }\r      }\r\r     prefix[ctr] = 0;\r\r      return prefix;\r}\r\runsigned int chanrec::GetPrefixValue(userrec* user)\r{\r        prefixlist::iterator n = prefixes.find(user);\r  if (n != prefixes.end())\r       {\r              if (n->second.size())\r                  return n->second.begin()->second;\r      }\r      return 0;\r}\r\rint chanrec::GetStatusFlags(userrec *user)\r{\r      UCListIter i = user->chans.find(this);\r if (i != user->chans.end())\r    {\r              return i->second;\r      }\r      return 0;\r}\r\rint chanrec::GetStatus(userrec *user)\r{\r   if (ServerInstance->ULine(user->server))\r               return STATUS_OP;\r\r     UCListIter i = user->chans.find(this);\r if (i != user->chans.end())\r    {\r              if ((i->second & UCMODE_OP) > 0)\r               {\r                      return STATUS_OP;\r              }\r              if ((i->second & UCMODE_HOP) > 0)\r              {\r                      return STATUS_HOP;\r             }\r              if ((i->second & UCMODE_VOICE) > 0)\r            {\r                      return STATUS_VOICE;\r           }\r              return STATUS_NORMAL;\r  }\r      return STATUS_NORMAL;\r}\r\rvoid chanrec::SetPrefix(userrec* user, char prefix, unsigned int prefix_value, bool adding)\r{\r prefixlist::iterator n = prefixes.find(user);\r  prefixtype pfx = std::make_pair(prefix,prefix_value);\r  if (adding)\r    {\r              if (n != prefixes.end())\r               {\r                      if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end())\r                     {\r                              n->second.push_back(pfx);\r                              /* We must keep prefixes in rank order, largest first.\r                          * This is for two reasons, firstly because x-chat *ass-u-me's* this\r                            * state, and secondly it turns out to be a benefit to us later.\r                                * See above in GetPrefix().\r                            */\r                            std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison);\r                   }\r              }\r              else\r           {\r                      pfxcontainer one;\r                      one.push_back(pfx);\r                    prefixes.insert(std::make_pair<userrec*,pfxcontainer>(user, one));\r             }\r      }\r      else\r   {\r              if (n != prefixes.end())\r               {\r                      pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx);\r                 if (x != n->second.end())\r                              n->second.erase(x);\r            }\r      }\r}\r\rvoid chanrec::RemoveAllPrefixes(userrec* user)\r{\r  prefixlist::iterator n = prefixes.find(user);\r  if (n != prefixes.end())\r       {\r              prefixes.erase(n);\r     }\r}\r\r
\ No newline at end of file
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+#include <stdarg.h>
+#include "configreader.h"
+#include "users.h"
+#include "modules.h"
+#include "wildcard.h"
+#include "mode.h"
+
+chanrec::chanrec(InspIRCd* Instance) : ServerInstance(Instance)
+{
+       *name = *topic = *setby = *key = 0;
+       maxbans = created = topicset = limit = 0;
+       memset(&modes,0,64);
+       age = ServerInstance->Time(true);
+}
+
+void chanrec::SetMode(char mode,bool mode_on)
+{
+       modes[mode-65] = mode_on;
+       if (!mode_on)
+               this->SetModeParam(mode,"",false);
+}
+
+
+void chanrec::SetModeParam(char mode,const char* parameter,bool mode_on)
+{
+       CustomModeList::iterator n = custom_mode_params.find(mode);     
+
+       if (mode_on)
+       {
+               if (n == custom_mode_params.end())
+                       custom_mode_params[mode] = strdup(parameter);
+       }
+       else
+       {
+               if (n != custom_mode_params.end())
+               {
+                       free(n->second);
+                       custom_mode_params.erase(n);
+               }
+       }
+}
+
+bool chanrec::IsModeSet(char mode)
+{
+       return modes[mode-65];
+}
+
+std::string chanrec::GetModeParameter(char mode)
+{
+       switch (mode)
+       {
+               case 'k':
+                       return this->key;
+               case 'l':
+                       return ConvToStr(this->limit);
+               default:
+                       CustomModeList::iterator n = custom_mode_params.find(mode);
+                       if (n != custom_mode_params.end())
+                               return n->second;
+                       return "";
+               break;
+       }
+}
+
+long chanrec::GetUserCounter()
+{
+       return (this->internal_userlist.size());
+}
+
+void chanrec::AddUser(userrec* user)
+{
+       internal_userlist[user] = user->nick;
+}
+
+unsigned long chanrec::DelUser(userrec* user)
+{
+       CUListIter a = internal_userlist.find(user);
+       
+       if (a != internal_userlist.end())
+       {
+               internal_userlist.erase(a);
+               /* And tidy any others... */
+               DelOppedUser(user);
+               DelHalfoppedUser(user);
+               DelVoicedUser(user);
+       }
+       
+       return internal_userlist.size();
+}
+
+bool chanrec::HasUser(userrec* user)
+{
+       return (internal_userlist.find(user) != internal_userlist.end());
+}
+
+void chanrec::AddOppedUser(userrec* user)
+{
+       internal_op_userlist[user] = user->nick;
+}
+
+void chanrec::DelOppedUser(userrec* user)
+{
+       CUListIter a = internal_op_userlist.find(user);
+       if (a != internal_op_userlist.end())
+       {
+               internal_op_userlist.erase(a);
+               return;
+       }
+}
+
+void chanrec::AddHalfoppedUser(userrec* user)
+{
+       internal_halfop_userlist[user] = user->nick;
+}
+
+void chanrec::DelHalfoppedUser(userrec* user)
+{
+       CUListIter a = internal_halfop_userlist.find(user);
+
+       if (a != internal_halfop_userlist.end())
+       {   
+               internal_halfop_userlist.erase(a);
+       }
+}
+
+void chanrec::AddVoicedUser(userrec* user)
+{
+       internal_voice_userlist[user] = user->nick;
+}
+
+void chanrec::DelVoicedUser(userrec* user)
+{
+       CUListIter a = internal_voice_userlist.find(user);
+       
+       if (a != internal_voice_userlist.end())
+       {
+               internal_voice_userlist.erase(a);
+       }
+}
+
+CUList* chanrec::GetUsers()
+{
+       return &internal_userlist;
+}
+
+CUList* chanrec::GetOppedUsers()
+{
+       return &internal_op_userlist;
+}
+
+CUList* chanrec::GetHalfoppedUsers()
+{
+       return &internal_halfop_userlist;
+}
+
+CUList* chanrec::GetVoicedUsers()
+{
+       return &internal_voice_userlist;
+}
+
+void chanrec::SetDefaultModes()
+{
+       irc::spacesepstream list(ServerInstance->Config->DefaultModes);
+       std::string modeseq = list.GetToken();
+       std::string parameter;
+       userrec* dummyuser = new userrec(ServerInstance);
+       dummyuser->SetFd(FD_MAGIC_NUMBER);
+
+       for (std::string::iterator n = modeseq.begin(); n != modeseq.end(); ++n)
+       {
+               ModeHandler* mode = ServerInstance->Modes->FindMode(*n, MODETYPE_CHANNEL);
+               if (mode)
+               {
+                       if (mode->GetNumParams(true))
+                               parameter = list.GetToken().c_str();
+                       else
+                               parameter.clear();
+
+                       mode->OnModeChange(dummyuser, dummyuser, this, parameter, true);
+               }
+       }
+
+       delete dummyuser;
+}
+
+/* 
+ * add a channel to a user, creating the record for it if needed and linking
+ * it to the user record 
+ */
+chanrec* chanrec::JoinUser(InspIRCd* Instance, userrec *user, const char* cn, bool override, const char* key, time_t TS)
+{
+       if (!user || !cn)
+               return NULL;
+
+       bool new_channel = false;
+       char cname[MAXBUF];
+       int MOD_RESULT = 0;
+       strlcpy(cname,cn,CHANMAX);
+
+       std::string privs;
+
+       chanrec* Ptr = Instance->FindChan(cname);
+
+       if (!Ptr)
+       {
+               if ((!IS_LOCAL(user)) && (!TS))
+                       Instance->Log(DEBUG,"*** BUG *** chanrec::JoinUser called for REMOTE user '%s' on channel '%s' but no TS given!", user->nick, cn);
+
+               privs = "@";
+
+               if (IS_LOCAL(user) && override == false)
+               {
+                       MOD_RESULT = 0;
+                       FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname,privs));
+                       if (MOD_RESULT == 1)
+                               return NULL;
+               }
+
+               /* create a new one */
+               Ptr = new chanrec(Instance);
+               (*(Instance->chanlist))[cname] = Ptr;
+
+               strlcpy(Ptr->name, cname,CHANMAX);
+
+               /* As spotted by jilles, dont bother to set this on remote users */
+               if (IS_LOCAL(user))
+                       Ptr->SetDefaultModes();
+
+               Ptr->created = TS ? TS : Instance->Time();
+               Ptr->age = Ptr->created;
+               *Ptr->topic = 0;
+               *Ptr->setby = 0;
+               Ptr->topicset = 0;
+               new_channel = true;
+       }
+       else
+       {
+               /* Already on the channel */
+               if (Ptr->HasUser(user))
+                       return NULL;
+
+               /*
+                * remote users are allowed us to bypass channel modes
+                * and bans (used by servers)
+                */
+               if (IS_LOCAL(user) && override == false)
+               {
+                       MOD_RESULT = 0;
+                       FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname,privs));
+                       if (MOD_RESULT == 1)
+                       {
+                               return NULL;
+                       }
+                       else if (MOD_RESULT == 0)
+                       {
+                               if (*Ptr->key)
+                               {
+                                       MOD_RESULT = 0;
+                                       FOREACH_RESULT_I(Instance,I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
+                                       if (!MOD_RESULT)
+                                       {
+                                               if ((!key) || strcmp(key,Ptr->key))
+                                               {
+                                                       user->WriteServ("475 %s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name);
+                                                       return NULL;
+                                               }
+                                       }
+                               }
+                               if (Ptr->modes[CM_INVITEONLY])
+                               {
+                                       MOD_RESULT = 0;
+                                       FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr));
+                                       if (!MOD_RESULT)
+                                       {
+                                               if (user->IsInvited(Ptr->name))
+                                               {
+                                                       /* user was invited to channel */
+                                                       /* there may be an optional channel NOTICE here */
+                                               }
+                                               else
+                                               {
+                                                       user->WriteServ("473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
+                                                       return NULL;
+                                               }
+                                       }
+                                       user->RemoveInvite(Ptr->name);
+                               }
+                               if (Ptr->limit)
+                               {
+                                       MOD_RESULT = 0;
+                                       FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr));
+                                       if (!MOD_RESULT)
+                                       {
+                                               if (Ptr->GetUserCounter() >= Ptr->limit)
+                                               {
+                                                       user->WriteServ("471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
+                                                       return NULL;
+                                               }
+                                       }
+                               }
+                               if (Ptr->bans.size())
+                               {
+                                       if (Ptr->IsBanned(user))
+                                       {
+                                               user->WriteServ("474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
+                                               return NULL;
+                                       }
+                               }
+                       }
+               }
+       }
+
+       /* NOTE: If the user is an oper here, we can extend their user->chans by up to
+        * OperMaxchans. For remote users which are not bound by the channel limits,
+        * we can extend infinitely. Otherwise, nope, youre restricted to MaxChans.
+        */
+       if (!IS_LOCAL(user) || override == true)
+       {
+               return chanrec::ForceChan(Instance, Ptr, user, privs);
+       }
+       else if (IS_OPER(user))
+       {
+               /* Oper allows extension up to the OperMaxchans value */
+               if (user->chans.size() < Instance->Config->OperMaxChans)
+               {
+                       return chanrec::ForceChan(Instance, Ptr, user, privs);
+               }
+       }
+       else if (user->chans.size() < Instance->Config->MaxChans)
+       {
+               return chanrec::ForceChan(Instance, Ptr, user, privs);
+       }
+
+
+       user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname);
+
+       if (new_channel)
+       {
+               /* Things went seriously pear shaped, so take this away. bwahaha. */
+               chan_hash::iterator n = Instance->chanlist->find(cname);
+               if (n != Instance->chanlist->end())
+               {
+                       Ptr->DelUser(user);
+                       DELETE(Ptr);
+                       Instance->chanlist->erase(n);
+               }
+       }
+
+       return NULL;
+}
+
+chanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr, userrec* user, const std::string &privs)
+{
+       userrec* dummyuser = new userrec(Instance);
+       std::string nick = user->nick;
+       bool silent = false;
+
+       dummyuser->SetFd(FD_MAGIC_NUMBER);
+       Ptr->AddUser(user);
+
+       /* Just in case they have no permissions */
+       user->chans[Ptr] = 0;
+
+       for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++)
+       {
+               const char status = *x;
+               ModeHandler* mh = Instance->Modes->FindPrefix(status);
+               if (mh)
+               {
+                       Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true);
+                       /* Make sure that the mode handler knows this mode was now set */
+                       mh->OnModeChange(dummyuser, dummyuser, Ptr, nick, true);
+
+                       switch (mh->GetPrefix())
+                       {
+                               /* These logic ops are SAFE IN THIS CASE
+                                * because if the entry doesnt exist,
+                                * addressing operator[] creates it.
+                                * If they do exist, it points to it.
+                                * At all other times where we dont want
+                                * to create an item if it doesnt exist, we
+                                * must stick to ::find().
+                                */
+                               case '@':
+                                       user->chans[Ptr] |= UCMODE_OP;
+                               break;
+                               case '%':
+                                       user->chans[Ptr] |= UCMODE_HOP;
+                               break;
+                               case '+':
+                                       user->chans[Ptr] |= UCMODE_VOICE;
+                               break;
+                       }
+               }
+       }
+
+       delete dummyuser;
+
+       FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user, Ptr, silent));
+
+       if (!silent)
+               Ptr->WriteChannel(user,"JOIN :%s",Ptr->name);
+
+       /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */
+       std::string ms = Instance->Modes->ModeString(user, Ptr);
+       if ((Ptr->GetUserCounter() > 1) && (ms.length()))
+               Ptr->WriteAllExceptSender(user, true, 0, "MODE %s +%s", Ptr->name, ms.c_str());
+
+       /* Major improvement by Brain - we dont need to be calculating all this pointlessly for remote users */
+       if (IS_LOCAL(user))
+       {
+               if (Ptr->topicset)
+               {
+                       user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
+                       user->WriteServ("333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
+               }
+               Ptr->UserList(user);
+       }
+       FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user, Ptr));
+       return Ptr;
+}
+
+bool chanrec::IsBanned(userrec* user)
+{
+       char mask[MAXBUF];
+       int MOD_RESULT = 0;
+       FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this));
+       if (!MOD_RESULT)
+       {
+               snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
+               for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
+               {
+                       /* This allows CIDR ban matching
+                        * 
+                        *        Full masked host                      Full unmasked host                   IP with/without CIDR
+                        */
+                       if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true)))
+                       {
+                               return true;
+                       }
+               }
+       }
+       return false;
+}
+
+/* chanrec::PartUser
+ * remove a channel from a users record, and return the number of users left.
+ * Therefore, if this function returns 0 the caller should delete the chanrec.
+ */
+long chanrec::PartUser(userrec *user, const char* reason)
+{
+       bool silent = false;
+
+       if (!user)
+               return this->GetUserCounter();
+
+       UCListIter i = user->chans.find(this);
+       if (i != user->chans.end())
+       {
+               FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : "", silent));
+
+               if (!silent)
+                       this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : "");
+
+               user->chans.erase(i);
+               this->RemoveAllPrefixes(user);
+       }
+
+       if (!this->DelUser(user)) /* if there are no users left on the channel... */
+       {
+               chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
+               /* kill the record */
+               if (iter != ServerInstance->chanlist->end())
+               {
+                       FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
+                       ServerInstance->chanlist->erase(iter);
+               }
+               return 0;
+       }
+
+       return this->GetUserCounter();
+}
+
+long chanrec::ServerKickUser(userrec* user, const char* reason, bool triggerevents)
+{
+       bool silent = false;
+
+       if (!user || !reason)
+               return this->GetUserCounter();
+
+       if (IS_LOCAL(user))
+       {
+               if (!this->HasUser(user))
+               {
+                       /* Not on channel */
+                       return this->GetUserCounter();
+               }
+       }
+
+       if (triggerevents)
+       {
+               FOREACH_MOD(I_OnUserKick,OnUserKick(NULL, user, this, reason, silent));
+       }
+
+       UCListIter i = user->chans.find(this);
+       if (i != user->chans.end())
+       {
+               if (!silent)
+                       this->WriteChannelWithServ(ServerInstance->Config->ServerName, "KICK %s %s :%s", this->name, user->nick, reason);
+
+               user->chans.erase(i);
+               this->RemoveAllPrefixes(user);
+       }
+
+       if (!this->DelUser(user))
+       {
+               chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
+               /* kill the record */
+               if (iter != ServerInstance->chanlist->end())
+               {
+                       FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
+                       ServerInstance->chanlist->erase(iter);
+               }
+               return 0;
+       }
+
+       return this->GetUserCounter();
+}
+
+long chanrec::KickUser(userrec *src, userrec *user, const char* reason)
+{
+       bool silent = false;
+
+       if (!src || !user || !reason)
+               return this->GetUserCounter();
+
+       if (IS_LOCAL(src))
+       {
+               if (!this->HasUser(user))
+               {
+                       src->WriteServ("441 %s %s %s :They are not on that channel",src->nick, user->nick, this->name);
+                       return this->GetUserCounter();
+               }
+               if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))
+               {
+                       src->WriteServ("482 %s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name);
+                       return this->GetUserCounter();
+               }
+               int MOD_RESULT = 0;
+
+               if (!ServerInstance->ULine(src->server))
+               {
+                       MOD_RESULT = 0;
+                       FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason));
+                       if (MOD_RESULT == 1)
+                               return this->GetUserCounter();
+               }
+               /* Set to -1 by OnUserPreKick if explicit allow was set */
+               if (MOD_RESULT != -1)
+               {
+                       FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK));
+                       if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server)))
+                               return this->GetUserCounter();
+       
+                       if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server)))
+                       {
+                               int them = this->GetStatus(src);
+                               int us = this->GetStatus(user);
+                               if ((them < STATUS_HOP) || (them < us))
+                               {
+                                       src->WriteServ("482 %s %s :You must be a channel %soperator",src->nick, this->name, them == STATUS_HOP ? "" : "half-");
+                                       return this->GetUserCounter();
+                               }
+                       }
+               }
+       }
+
+       FOREACH_MOD(I_OnUserKick,OnUserKick(src, user, this, reason, silent));
+
+       UCListIter i = user->chans.find(this);
+       if (i != user->chans.end())
+       {
+               /* zap it from the channel list of the user */
+               if (!silent)
+                       this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason);
+
+               user->chans.erase(i);
+               this->RemoveAllPrefixes(user);
+       }
+
+       if (!this->DelUser(user))
+       /* if there are no users left on the channel */
+       {
+               chan_hash::iterator iter = ServerInstance->chanlist->find(this->name);
+
+               /* kill the record */
+               if (iter != ServerInstance->chanlist->end())
+               {
+                       FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
+                       ServerInstance->chanlist->erase(iter);
+               }
+               return 0;
+       }
+
+       return this->GetUserCounter();
+}
+
+void chanrec::WriteChannel(userrec* user, char* text, ...)
+{
+       char textbuffer[MAXBUF];
+       va_list argsPtr;
+
+       if (!user || !text)
+               return;
+
+       va_start(argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
+
+       this->WriteChannel(user, std::string(textbuffer));
+}
+
+void chanrec::WriteChannel(userrec* user, const std::string &text)
+{
+       CUList *ulist = this->GetUsers();
+       char tb[MAXBUF];
+
+       if (!user)
+               return;
+
+       snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
+       std::string out = tb;
+
+       for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+       {
+               if (IS_LOCAL(i->first))
+                       i->first->Write(out);
+       }
+}
+
+void chanrec::WriteChannelWithServ(const char* ServName, const char* text, ...)
+{
+       char textbuffer[MAXBUF];
+       va_list argsPtr;
+
+       if (!text)
+               return;
+
+       va_start(argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
+
+       this->WriteChannelWithServ(ServName, std::string(textbuffer));
+}
+
+void chanrec::WriteChannelWithServ(const char* ServName, const std::string &text)
+{
+       CUList *ulist = this->GetUsers();
+       char tb[MAXBUF];
+
+       snprintf(tb,MAXBUF,":%s %s",ServName ? ServName : ServerInstance->Config->ServerName, text.c_str());
+       std::string out = tb;
+
+       for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+       {
+               if (IS_LOCAL(i->first))
+                       i->first->Write(out);
+       }
+}
+
+/* write formatted text from a source user to all users on a channel except
+ * for the sender (for privmsg etc) */
+void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, char* text, ...)
+{
+       char textbuffer[MAXBUF];
+       va_list argsPtr;
+
+       if (!text)
+               return;
+
+       va_start(argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
+
+       this->WriteAllExceptSender(user, serversource, status, std::string(textbuffer));
+}
+
+void chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, char* text, ...)
+{
+       char textbuffer[MAXBUF];
+       va_list argsPtr;
+
+       if (!text)
+               return;
+
+       va_start(argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
+
+       this->WriteAllExcept(user, serversource, status, except_list, std::string(textbuffer));
+}
+
+void chanrec::WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, const std::string &text)
+{
+       CUList *ulist;
+       char tb[MAXBUF];
+
+       switch (status)
+       {
+               case '@':
+                       ulist = this->GetOppedUsers();
+                       break;
+               case '%':
+                       ulist = this->GetHalfoppedUsers();
+                       break;
+               case '+':
+                       ulist = this->GetVoicedUsers();
+                       break;
+               default:
+                       ulist = this->GetUsers();
+                       break;
+       }
+
+       snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
+       std::string out = tb;
+
+       for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+       {
+               if ((IS_LOCAL(i->first)) && (except_list.find(i->first) == except_list.end()))
+               {
+                       if (serversource)
+                               i->first->WriteServ(text);
+                       else
+                               i->first->Write(out);
+               }
+       }
+}
+
+void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text)
+{
+       CUList except_list;
+       except_list[user] = user->nick;
+       this->WriteAllExcept(user, serversource, status, except_list, std::string(text));
+}
+
+/*
+ * return a count of the users on a specific channel accounting for
+ * invisible users who won't increase the count. e.g. for /LIST
+ */
+int chanrec::CountInvisible()
+{
+       int count = 0;
+       CUList *ulist= this->GetUsers();
+       for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+       {
+               if (!(i->first->IsModeSet('i')))
+                       count++;
+       }
+
+       return count;
+}
+
+char* chanrec::ChanModes(bool showkey)
+{
+       static char scratch[MAXBUF];
+       static char sparam[MAXBUF];
+       char* offset = scratch;
+       std::string extparam;
+
+       *scratch = '\0';
+       *sparam = '\0';
+
+       /* This was still iterating up to 190, chanrec::modes is only 64 elements -- Om */
+       for(int n = 0; n < 64; n++)
+       {
+               if(this->modes[n])
+               {
+                       *offset++ = n + 65;
+                       extparam.clear();
+                       switch (n)
+                       {
+                               case CM_KEY:
+                                       extparam = (showkey ? this->key : "<key>");
+                               break;
+                               case CM_LIMIT:
+                                       extparam = ConvToStr(this->limit);
+                               break;
+                               case CM_NOEXTERNAL:
+                               case CM_TOPICLOCK:
+                               case CM_INVITEONLY:
+                               case CM_MODERATED:
+                               case CM_SECRET:
+                               case CM_PRIVATE:
+                                       /* We know these have no parameters */
+                               break;
+                               default:
+                                       extparam = this->GetModeParameter(n + 65);
+                               break;
+                       }
+                       if (!extparam.empty())
+                       {
+                               charlcat(sparam,' ',MAXBUF);
+                               strlcat(sparam,extparam.c_str(),MAXBUF);
+                       }
+               }
+       }
+
+       /* Null terminate scratch */
+       *offset = '\0';
+       strlcat(scratch,sparam,MAXBUF);
+       return scratch;
+}
+
+/* compile a userlist of a channel into a string, each nick seperated by
+ * spaces and op, voice etc status shown as @ and +, and send it to 'user'
+ */
+void chanrec::UserList(userrec *user, CUList *ulist)
+{
+       char list[MAXBUF];
+       size_t dlen, curlen;
+       int MOD_RESULT = 0;
+
+       if (!IS_LOCAL(user))
+               return;
+
+       FOREACH_RESULT(I_OnUserList,OnUserList(user, this, ulist));
+       if (MOD_RESULT == 1)
+               return;
+
+       dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
+
+       int numusers = 0;
+       char* ptr = list + dlen;
+
+       if (!ulist)
+               ulist = this->GetUsers();
+
+       /* Improvement by Brain - this doesnt change in value, so why was it inside
+        * the loop?
+        */
+       bool has_user = this->HasUser(user);
+
+       for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+       {
+               if ((!has_user) && (i->first->modes[UM_INVISIBLE]))
+               {
+                       /*
+                        * user is +i, and source not on the channel, does not show
+                        * nick in NAMES list
+                        */
+                       continue;
+               }
+
+               if (i->first->Visibility && !i->first->Visibility->VisibleTo(user))
+                       continue;
+
+               size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->first), i->second.c_str());
+               /* OnUserList can change this - reset it back to normal */
+               i->second = i->first->nick;
+
+               curlen += ptrlen;
+               ptr += ptrlen;
+
+               numusers++;
+
+               if (curlen > (480-NICKMAX))
+               {
+                       /* list overflowed into multiple numerics */
+                       user->WriteServ(std::string(list));
+
+                       /* reset our lengths */
+                       dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
+                       ptr = list + dlen;
+
+                       ptrlen = 0;
+                       numusers = 0;
+               }
+       }
+
+       /* if whats left in the list isnt empty, send it */
+       if (numusers)
+       {
+               user->WriteServ(std::string(list));
+       }
+
+       user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, this->name);
+}
+
+long chanrec::GetMaxBans()
+{
+       /* Return the cached value if there is one */
+       if (this->maxbans)
+               return this->maxbans;
+
+       /* If there isnt one, we have to do some O(n) hax to find it the first time. (ick) */
+       for (std::map<std::string,int>::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++)
+       {
+               if (match(this->name,n->first.c_str()))
+               {
+                       this->maxbans = n->second;
+                       return n->second;
+               }
+       }
+
+       /* Screw it, just return the default of 64 */
+       this->maxbans = 64;
+       return this->maxbans;
+}
+
+void chanrec::ResetMaxBans()
+{
+       this->maxbans = 0;
+}
+
+/* returns the status character for a given user on a channel, e.g. @ for op,
+ * % for halfop etc. If the user has several modes set, the highest mode
+ * the user has must be returned.
+ */
+const char* chanrec::GetPrefixChar(userrec *user)
+{
+       static char pf[2] = {0, 0};
+       
+       prefixlist::iterator n = prefixes.find(user);
+       if (n != prefixes.end())
+       {
+               if (n->second.size())
+               {
+                       /* If the user has any prefixes, their highest prefix
+                        * will always be at the head of the list, as the list is
+                        * sorted in rank order highest first (see SetPrefix()
+                        * for reasons why)
+                        */
+                       *pf = n->second.begin()->first;
+                       return pf;
+               }
+       }
+
+       *pf = 0;
+       return pf;
+}
+
+const char* chanrec::GetAllPrefixChars(userrec* user)
+{
+       static char prefix[MAXBUF];
+       int ctr = 0;
+       *prefix = 0;
+
+       prefixlist::iterator n = prefixes.find(user);
+       if (n != prefixes.end())
+       {
+               for (std::vector<prefixtype>::iterator x = n->second.begin(); x != n->second.end(); x++)
+               {
+                       prefix[ctr++] = x->first;
+               }
+       }
+
+       prefix[ctr] = 0;
+
+       return prefix;
+}
+
+unsigned int chanrec::GetPrefixValue(userrec* user)
+{
+       prefixlist::iterator n = prefixes.find(user);
+       if (n != prefixes.end())
+       {
+               if (n->second.size())
+                       return n->second.begin()->second;
+       }
+       return 0;
+}
+
+int chanrec::GetStatusFlags(userrec *user)
+{
+       UCListIter i = user->chans.find(this);
+       if (i != user->chans.end())
+       {
+               return i->second;
+       }
+       return 0;
+}
+
+int chanrec::GetStatus(userrec *user)
+{
+       if (ServerInstance->ULine(user->server))
+               return STATUS_OP;
+
+       UCListIter i = user->chans.find(this);
+       if (i != user->chans.end())
+       {
+               if ((i->second & UCMODE_OP) > 0)
+               {
+                       return STATUS_OP;
+               }
+               if ((i->second & UCMODE_HOP) > 0)
+               {
+                       return STATUS_HOP;
+               }
+               if ((i->second & UCMODE_VOICE) > 0)
+               {
+                       return STATUS_VOICE;
+               }
+               return STATUS_NORMAL;
+       }
+       return STATUS_NORMAL;
+}
+
+void chanrec::SetPrefix(userrec* user, char prefix, unsigned int prefix_value, bool adding)
+{
+       prefixlist::iterator n = prefixes.find(user);
+       prefixtype pfx = std::make_pair(prefix,prefix_value);
+       if (adding)
+       {
+               if (n != prefixes.end())
+               {
+                       if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end())
+                       {
+                               n->second.push_back(pfx);
+                               /* We must keep prefixes in rank order, largest first.
+                                * This is for two reasons, firstly because x-chat *ass-u-me's* this
+                                * state, and secondly it turns out to be a benefit to us later.
+                                * See above in GetPrefix().
+                                */
+                               std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison);
+                       }
+               }
+               else
+               {
+                       pfxcontainer one;
+                       one.push_back(pfx);
+                       prefixes.insert(std::make_pair<userrec*,pfxcontainer>(user, one));
+               }
+       }
+       else
+       {
+               if (n != prefixes.end())
+               {
+                       pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx);
+                       if (x != n->second.end())
+                               n->second.erase(x);
+               }
+       }
+}
+
+void chanrec::RemoveAllPrefixes(userrec* user)
+{
+       prefixlist::iterator n = prefixes.find(user);
+       if (n != prefixes.end())
+       {
+               prefixes.erase(n);
+       }
+}
+