src/users.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2006-2009 Robin Burchell <robin+git@viroteck.net>
   6  *   Copyright (C) 2006-2007, 2009 Dennis Friis <peavey@inspircd.org>
   7  *   Copyright (C) 2008 John Brooks <john.brooks@dereferenced.net>
   8  *   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
   9  *   Copyright (C) 2008 Oliver Lupton <oliverlupton@gmail.com>
  10  *   Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
  11  *
  12  * This file is part of InspIRCd.  InspIRCd is free software: you can
  13  * redistribute it and/or modify it under the terms of the GNU General Public
  14  * License as published by the Free Software Foundation, version 2.
  15  *
  16  * This program is distributed in the hope that it will be useful, but WITHOUT
  17  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  18  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  19  * details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25
  26 #include "inspircd.h"
  27 #include <stdarg.h>
  28 #include "socketengine.h"
  29 #include "xline.h"
  30 #include "bancache.h"
  31
  32 already_sent_t LocalUser::already_sent_id = 0;
  33
  34 bool User::IsNoticeMaskSet(unsigned char sm)
  35 {
  36         if (!isalpha(sm))
  37                 return false;
  38         return (snomasks[sm-65]);
  39 }
  40
  41 bool User::IsModeSet(unsigned char m)
  42 {
  43         if (!isalpha(m))
  44                 return false;
  45         return (modes[m-65]);
  46 }
  47
  48 const char* User::FormatModes(bool showparameters)
  49 {
  50         static std::string data;
  51         std::string params;
  52         data.clear();
  53
  54         for (unsigned char n = 0; n < 64; n++)
  55         {
  56                 if (modes[n])
  57                 {
  58                         data.push_back(n + 65);
  59                         ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
  60                         if (showparameters && mh && mh->GetNumParams(true))
  61                         {
  62                                 std::string p = mh->GetUserParameter(this);
  63                                 if (p.length())
  64                                         params.append(" ").append(p);
  65                         }
  66                 }
  67         }
  68         data += params;
  69         return data.c_str();
  70 }
  71
  72 User::User(const std::string &uid, const std::string& sid, int type)
  73         : uuid(uid), server(sid), usertype(type)
  74 {
  75         age = ServerInstance->Time();
  76         signon = 0;
  77         registered = 0;
  78         quietquit = quitting = false;
  79         client_sa.sa.sa_family = AF_UNSPEC;
  80
  81         ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
  82
  83         if (!ServerInstance->Users->uuidlist->insert(std::make_pair(uuid, this)).second)
  84                 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
  85 }
  86
  87 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
  88         : User(ServerInstance->UIDGen.GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
  89         localuseriter(ServerInstance->Users->local_users.end()),
  90         bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
  91         already_sent(0)
  92 {
  93         exempt = quitting_sendq = false;
  94         idle_lastmsg = 0;
  95         ident = "unknown";
  96         lastping = 0;
  97         eh.SetFd(myfd);
  98         memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
  99         memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
 100         dhost = host = GetIPString();
 101 }
 102
 103 User::~User()
 104 {
 105         if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
 106                 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str());
 107 }
 108
 109 const std::string& User::MakeHost()
 110 {
 111         if (!this->cached_makehost.empty())
 112                 return this->cached_makehost;
 113
 114         // XXX: Is there really a need to cache this?
 115         this->cached_makehost = ident + "@" + host;
 116         return this->cached_makehost;
 117 }
 118
 119 const std::string& User::MakeHostIP()
 120 {
 121         if (!this->cached_hostip.empty())
 122                 return this->cached_hostip;
 123
 124         // XXX: Is there really a need to cache this?
 125         this->cached_hostip = ident + "@" + this->GetIPString();
 126         return this->cached_hostip;
 127 }
 128
 129 const std::string& User::GetFullHost()
 130 {
 131         if (!this->cached_fullhost.empty())
 132                 return this->cached_fullhost;
 133
 134         // XXX: Is there really a need to cache this?
 135         this->cached_fullhost = nick + "!" + ident + "@" + dhost;
 136         return this->cached_fullhost;
 137 }
 138
 139 const std::string& User::GetFullRealHost()
 140 {
 141         if (!this->cached_fullrealhost.empty())
 142                 return this->cached_fullrealhost;
 143
 144         // XXX: Is there really a need to cache this?
 145         this->cached_fullrealhost = nick + "!" + ident + "@" + host;
 146         return this->cached_fullrealhost;
 147 }
 148
 149 InviteList& LocalUser::GetInviteList()
 150 {
 151         RemoveExpiredInvites();
 152         return invites;
 153 }
 154
 155 bool LocalUser::RemoveInvite(Channel* chan)
 156 {
 157         Invitation* inv = Invitation::Find(chan, this);
 158         if (inv)
 159         {
 160                 inv->cull();
 161                 delete inv;
 162                 return true;
 163         }
 164         return false;
 165 }
 166
 167 void LocalUser::RemoveExpiredInvites()
 168 {
 169         Invitation::Find(NULL, this);
 170 }
 171
 172 bool User::HasModePermission(unsigned char, ModeType)
 173 {
 174         return true;
 175 }
 176
 177 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
 178 {
 179         if (!this->IsOper())
 180                 return false;
 181
 182         if (mode < 'A' || mode > ('A' + 64)) return false;
 183
 184         return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
 185
 186 }
 187 /*
 188  * users on remote servers can completely bypass all permissions based checks.
 189  * This prevents desyncs when one server has different type/class tags to another.
 190  * That having been said, this does open things up to the possibility of source changes
 191  * allowing remote kills, etc - but if they have access to the src, they most likely have
 192  * access to the conf - so it's an end to a means either way.
 193  */
 194 bool User::HasPermission(const std::string&)
 195 {
 196         return true;
 197 }
 198
 199 bool LocalUser::HasPermission(const std::string &command)
 200 {
 201         // are they even an oper at all?
 202         if (!this->IsOper())
 203         {
 204                 return false;
 205         }
 206
 207         if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
 208                 return true;
 209         else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
 210                 return true;
 211
 212         return false;
 213 }
 214
 215 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
 216 {
 217         return true;
 218 }
 219
 220 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
 221 {
 222         if (!this->IsOper())
 223         {
 224                 if (noisy)
 225                         this->WriteNotice("You are not an oper");
 226                 return false;
 227         }
 228
 229         if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
 230         {
 231                 return true;
 232         }
 233         else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
 234         {
 235                 return true;
 236         }
 237
 238         if (noisy)
 239                 this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
 240
 241         return false;
 242 }
 243
 244 void UserIOHandler::OnDataReady()
 245 {
 246         if (user->quitting)
 247                 return;
 248
 249         if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
 250         {
 251                 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
 252                 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
 253                         user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
 254                 return;
 255         }
 256         unsigned long sendqmax = ULONG_MAX;
 257         if (!user->HasPrivPermission("users/flood/increased-buffers"))
 258                 sendqmax = user->MyClass->GetSendqSoftMax();
 259         unsigned long penaltymax = ULONG_MAX;
 260         if (!user->HasPrivPermission("users/flood/no-fakelag"))
 261                 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
 262
 263         while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
 264         {
 265                 std::string line;
 266                 line.reserve(ServerInstance->Config->Limits.MaxLine);
 267                 std::string::size_type qpos = 0;
 268                 while (qpos < recvq.length())
 269                 {
 270                         char c = recvq[qpos++];
 271                         switch (c)
 272                         {
 273                         case '\0':
 274                                 c = ' ';
 275                                 break;
 276                         case '\r':
 277                                 continue;
 278                         case '\n':
 279                                 goto eol_found;
 280                         }
 281                         if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
 282                                 line.push_back(c);
 283                 }
 284                 // if we got here, the recvq ran out before we found a newline
 285                 return;
 286 eol_found:
 287                 // just found a newline. Terminate the string, and pull it out of recvq
 288                 recvq = recvq.substr(qpos);
 289
 290                 // TODO should this be moved to when it was inserted in recvq?
 291                 ServerInstance->stats->statsRecv += qpos;
 292                 user->bytes_in += qpos;
 293                 user->cmds_in++;
 294
 295                 ServerInstance->Parser->ProcessBuffer(line, user);
 296                 if (user->quitting)
 297                         return;
 298         }
 299         if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
 300                 ServerInstance->Users->QuitUser(user, "Excess Flood");
 301 }
 302
 303 void UserIOHandler::AddWriteBuf(const std::string &data)
 304 {
 305         if (user->quitting_sendq)
 306                 return;
 307         if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
 308                 !user->HasPrivPermission("users/flood/increased-buffers"))
 309         {
 310                 user->quitting_sendq = true;
 311                 ServerInstance->GlobalCulls.AddSQItem(user);
 312                 return;
 313         }
 314
 315         // We still want to append data to the sendq of a quitting user,
 316         // e.g. their ERROR message that says 'closing link'
 317
 318         WriteData(data);
 319 }
 320
 321 void UserIOHandler::OnError(BufferedSocketError)
 322 {
 323         ServerInstance->Users->QuitUser(user, getError());
 324 }
 325
 326 CullResult User::cull()
 327 {
 328         if (!quitting)
 329                 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
 330         PurgeEmptyChannels();
 331
 332         if (client_sa.sa.sa_family != AF_UNSPEC)
 333                 ServerInstance->Users->RemoveCloneCounts(this);
 334
 335         return Extensible::cull();
 336 }
 337
 338 CullResult LocalUser::cull()
 339 {
 340         // The iterator is initialized to local_users.end() in the constructor. It is
 341         // overwritten in UserManager::AddUser() with the real iterator so this check
 342         // is only a precaution currently.
 343         if (localuseriter != ServerInstance->Users->local_users.end())
 344         {
 345                 ServerInstance->Users->local_count--;
 346                 ServerInstance->Users->local_users.erase(localuseriter);
 347         }
 348         else
 349                 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: LocalUserIter does not point to a valid entry for " + this->nick);
 350
 351         ClearInvites();
 352         eh.cull();
 353         return User::cull();
 354 }
 355
 356 CullResult FakeUser::cull()
 357 {
 358         // Fake users don't quit, they just get culled.
 359         quitting = true;
 360         // Fake users are not inserted into UserManager::clientlist, they're only in the uuidlist
 361         ServerInstance->Users->uuidlist->erase(uuid);
 362         return User::cull();
 363 }
 364
 365 void User::Oper(OperInfo* info)
 366 {
 367         ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
 368         if (this->IsModeSet(opermh))
 369                 this->UnOper();
 370
 371         this->SetMode(opermh, true);
 372         this->oper = info;
 373         this->WriteServ("MODE %s :+o", this->nick.c_str());
 374         FOREACH_MOD(OnOper, (this, info->name));
 375
 376         std::string opername;
 377         if (info->oper_block)
 378                 opername = info->oper_block->getString("name");
 379
 380         if (IS_LOCAL(this))
 381         {
 382                 LocalUser* l = IS_LOCAL(this);
 383                 std::string vhost = oper->getConfig("vhost");
 384                 if (!vhost.empty())
 385                         l->ChangeDisplayedHost(vhost.c_str());
 386                 std::string opClass = oper->getConfig("class");
 387                 if (!opClass.empty())
 388                         l->SetClass(opClass);
 389         }
 390
 391         ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
 392                 nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
 393         this->WriteNumeric(RPL_YOUAREOPER, ":You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
 394
 395         ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
 396         ServerInstance->Users->all_opers.push_back(this);
 397
 398         // Expand permissions from config for faster lookup
 399         if (IS_LOCAL(this))
 400                 oper->init();
 401
 402         FOREACH_MOD(OnPostOper, (this, oper->name, opername));
 403 }
 404
 405 void OperInfo::init()
 406 {
 407         AllowedOperCommands.clear();
 408         AllowedPrivs.clear();
 409         AllowedUserModes.reset();
 410         AllowedChanModes.reset();
 411         AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
 412
 413         for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
 414         {
 415                 ConfigTag* tag = *iter;
 416                 std::string mycmd, mypriv;
 417                 /* Process commands */
 418                 irc::spacesepstream CommandList(tag->getString("commands"));
 419                 while (CommandList.GetToken(mycmd))
 420                 {
 421                         AllowedOperCommands.insert(mycmd);
 422                 }
 423
 424                 irc::spacesepstream PrivList(tag->getString("privs"));
 425                 while (PrivList.GetToken(mypriv))
 426                 {
 427                         AllowedPrivs.insert(mypriv);
 428                 }
 429
 430                 std::string modes = tag->getString("usermodes");
 431                 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
 432                 {
 433                         if (*c == '*')
 434                         {
 435                                 this->AllowedUserModes.set();
 436                         }
 437                         else if (*c >= 'A' && *c < 'z')
 438                         {
 439                                 this->AllowedUserModes[*c - 'A'] = true;
 440                         }
 441                 }
 442
 443                 modes = tag->getString("chanmodes");
 444                 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
 445                 {
 446                         if (*c == '*')
 447                         {
 448                                 this->AllowedChanModes.set();
 449                         }
 450                         else if (*c >= 'A' && *c < 'z')
 451                         {
 452                                 this->AllowedChanModes[*c - 'A'] = true;
 453                         }
 454                 }
 455         }
 456 }
 457
 458 void User::UnOper()
 459 {
 460         if (!this->IsOper())
 461                 return;
 462
 463         /*
 464          * unset their oper type (what IS_OPER checks).
 465          * note, order is important - this must come before modes as -o attempts
 466          * to call UnOper. -- w00t
 467          */
 468         oper = NULL;
 469
 470
 471         /* Remove all oper only modes from the user when the deoper - Bug #466*/
 472         std::string moderemove("-");
 473
 474         for (unsigned char letter = 'A'; letter <= 'z'; letter++)
 475         {
 476                 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
 477                 if (mh && mh->NeedsOper())
 478                         moderemove += letter;
 479         }
 480
 481
 482         std::vector<std::string> parameters;
 483         parameters.push_back(this->nick);
 484         parameters.push_back(moderemove);
 485
 486         ServerInstance->Modes->Process(parameters, this);
 487
 488         /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
 489         ServerInstance->Users->all_opers.remove(this);
 490
 491         ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
 492         this->SetMode(opermh, false);
 493 }
 494
 495 /*
 496  * Check class restrictions
 497  */
 498 void LocalUser::CheckClass(bool clone_count)
 499 {
 500         ConnectClass* a = this->MyClass;
 501
 502         if (!a)
 503         {
 504                 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
 505                 return;
 506         }
 507         else if (a->type == CC_DENY)
 508         {
 509                 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
 510                 return;
 511         }
 512         else if (clone_count)
 513         {
 514                 if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
 515                 {
 516                         ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
 517                         if (a->maxconnwarn)
 518                                 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
 519                         return;
 520                 }
 521                 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
 522                 {
 523                         ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
 524                         if (a->maxconnwarn)
 525                                 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
 526                         return;
 527                 }
 528         }
 529
 530         this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
 531 }
 532
 533 bool LocalUser::CheckLines(bool doZline)
 534 {
 535         const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
 536
 537         if (!this->exempt)
 538         {
 539                 for (int n = 0; check[n]; ++n)
 540                 {
 541                         XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
 542
 543                         if (r)
 544                         {
 545                                 r->Apply(this);
 546                                 return true;
 547                         }
 548                 }
 549         }
 550
 551         return false;
 552 }
 553
 554 void LocalUser::FullConnect()
 555 {
 556         ServerInstance->stats->statsConnects++;
 557         this->idle_lastmsg = ServerInstance->Time();
 558
 559         /*
 560          * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
 561          * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
 562          * may put the user into a totally seperate class with different restrictions! so we *must* check again.
 563          * Don't remove this! -- w00t
 564          */
 565         MyClass = NULL;
 566         SetClass();
 567         CheckClass();
 568         CheckLines();
 569
 570         if (quitting)
 571                 return;
 572
 573         this->WriteNumeric(RPL_WELCOME, ":Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
 574         this->WriteNumeric(RPL_YOURHOSTIS, ":Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), BRANCH);
 575         this->WriteNumeric(RPL_SERVERCREATED, ":This server was created %s %s", __TIME__, __DATE__);
 576
 577         const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
 578         this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s", ServerInstance->Config->ServerName.c_str(), BRANCH, modelist.c_str());
 579
 580         ServerInstance->ISupport.SendTo(this);
 581         this->WriteNumeric(RPL_YOURUUID, "%s :your unique ID", this->uuid.c_str());
 582
 583         /* Now registered */
 584         if (ServerInstance->Users->unregistered_count)
 585                 ServerInstance->Users->unregistered_count--;
 586
 587         /* Trigger MOTD and LUSERS output, give modules a chance too */
 588         ModResult MOD_RESULT;
 589         std::string command("LUSERS");
 590         std::vector<std::string> parameters;
 591         FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
 592         if (!MOD_RESULT)
 593                 ServerInstance->Parser->CallHandler(command, parameters, this);
 594
 595         MOD_RESULT = MOD_RES_PASSTHRU;
 596         command = "MOTD";
 597         FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
 598         if (!MOD_RESULT)
 599                 ServerInstance->Parser->CallHandler(command, parameters, this);
 600
 601         if (ServerInstance->Config->RawLog)
 602                 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
 603
 604         /*
 605          * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
 606          * for a user that doesn't exist yet.
 607          */
 608         FOREACH_MOD(OnUserConnect, (this));
 609
 610         this->registered = REG_ALL;
 611
 612         FOREACH_MOD(OnPostConnect, (this));
 613
 614         ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
 615                 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
 616         ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
 617         ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
 618         // reset the flood penalty (which could have been raised due to things like auto +x)
 619         CommandFloodPenalty = 0;
 620 }
 621
 622 void User::InvalidateCache()
 623 {
 624         /* Invalidate cache */
 625         cached_fullhost.clear();
 626         cached_hostip.clear();
 627         cached_makehost.clear();
 628         cached_fullrealhost.clear();
 629 }
 630
 631 bool User::ChangeNick(const std::string& newnick, bool force)
 632 {
 633         if (quitting)
 634         {
 635                 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
 636                 return false;
 637         }
 638
 639         if (!force)
 640         {
 641                 ModResult MOD_RESULT;
 642                 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
 643
 644                 if (MOD_RESULT == MOD_RES_DENY)
 645                 {
 646                         ServerInstance->stats->statsCollisions++;
 647                         return false;
 648                 }
 649         }
 650
 651         if (assign(newnick) == assign(nick))
 652         {
 653                 // case change, don't need to check Q:lines and such
 654                 // and, if it's identical including case, we can leave right now
 655                 if (newnick == nick)
 656                         return true;
 657         }
 658         else
 659         {
 660                 /*
 661                  * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
 662                  * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
 663                  * Thanks Kein for finding this. -- w00t
 664                  *
 665                  * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
 666                  *              -- w00t
 667                  */
 668                 if (IS_LOCAL(this) && !force)
 669                 {
 670                         XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
 671                         if (mq)
 672                         {
 673                                 if (this->registered == REG_ALL)
 674                                 {
 675                                         ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
 676                                                 newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
 677                                 }
 678                                 this->WriteNumeric(ERR_ERRONEUSNICKNAME, "%s :Invalid nickname: %s", newnick.c_str(), mq->reason.c_str());
 679                                 return false;
 680                         }
 681
 682                         if (ServerInstance->Config->RestrictBannedUsers)
 683                         {
 684                                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
 685                                 {
 686                                         Channel *chan = *i;
 687                                         if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
 688                                         {
 689                                                 this->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str());
 690                                                 return false;
 691                                         }
 692                                 }
 693                         }
 694                 }
 695
 696                 /*
 697                  * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
 698                  * then we have a potential collide. Check whether someone else is camping on the nick
 699                  * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
 700                  * camper to their UID, and allow the incoming nick change.
 701                  *
 702                  * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
 703                  * because the nick is already (rightfully) in use. -- w00t
 704                  */
 705                 User* InUse = ServerInstance->FindNickOnly(newnick);
 706                 if (InUse && (InUse != this))
 707                 {
 708                         if (InUse->registered != REG_ALL)
 709                         {
 710                                 /* force the camper to their UUID, and ask them to re-send a NICK. */
 711                                 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
 712                                 InUse->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", InUse->nick.c_str());
 713
 714                                 ServerInstance->Users->clientlist->erase(InUse->nick);
 715                                 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
 716
 717                                 InUse->nick = InUse->uuid;
 718                                 InUse->InvalidateCache();
 719                                 InUse->registered &= ~REG_NICK;
 720                         }
 721                         else
 722                         {
 723                                 /* No camping, tell the incoming user  to stop trying to change nick ;p */
 724                                 this->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str());
 725                                 return false;
 726                         }
 727                 }
 728         }
 729
 730         if (this->registered == REG_ALL)
 731                 this->WriteCommon("NICK %s",newnick.c_str());
 732         std::string oldnick = nick;
 733         nick = newnick;
 734
 735         InvalidateCache();
 736         ServerInstance->Users->clientlist->erase(oldnick);
 737         (*(ServerInstance->Users->clientlist))[newnick] = this;
 738
 739         if (registered == REG_ALL)
 740                 FOREACH_MOD(OnUserPostNick, (this,oldnick));
 741
 742         return true;
 743 }
 744
 745 int LocalUser::GetServerPort()
 746 {
 747         switch (this->server_sa.sa.sa_family)
 748         {
 749                 case AF_INET6:
 750                         return htons(this->server_sa.in6.sin6_port);
 751                 case AF_INET:
 752                         return htons(this->server_sa.in4.sin_port);
 753         }
 754         return 0;
 755 }
 756
 757 const std::string& User::GetIPString()
 758 {
 759         int port;
 760         if (cachedip.empty())
 761         {
 762                 irc::sockets::satoap(client_sa, cachedip, port);
 763                 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
 764                 if (cachedip[0] == ':')
 765                         cachedip.insert(0,1,'0');
 766         }
 767
 768         return cachedip;
 769 }
 770
 771 irc::sockets::cidr_mask User::GetCIDRMask()
 772 {
 773         int range = 0;
 774         switch (client_sa.sa.sa_family)
 775         {
 776                 case AF_INET6:
 777                         range = ServerInstance->Config->c_ipv6_range;
 778                         break;
 779                 case AF_INET:
 780                         range = ServerInstance->Config->c_ipv4_range;
 781                         break;
 782         }
 783         return irc::sockets::cidr_mask(client_sa, range);
 784 }
 785
 786 bool User::SetClientIP(const char* sip, bool recheck_eline)
 787 {
 788         cachedip.clear();
 789         cached_hostip.clear();
 790         return irc::sockets::aptosa(sip, 0, client_sa);
 791 }
 792
 793 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
 794 {
 795         cachedip.clear();
 796         cached_hostip.clear();
 797         memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
 798 }
 799
 800 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
 801 {
 802         irc::sockets::sockaddrs sa;
 803         if (!irc::sockets::aptosa(sip, 0, sa))
 804                 // Invalid
 805                 return false;
 806
 807         LocalUser::SetClientIP(sa, recheck_eline);
 808         return true;
 809 }
 810
 811 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
 812 {
 813         if (sa != client_sa)
 814         {
 815                 User::SetClientIP(sa);
 816                 if (recheck_eline)
 817                         this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
 818
 819                 FOREACH_MOD(OnSetUserIP, (this));
 820         }
 821 }
 822
 823 static std::string wide_newline("\r\n");
 824
 825 void User::Write(const std::string& text)
 826 {
 827 }
 828
 829 void User::Write(const char *text, ...)
 830 {
 831 }
 832
 833 void LocalUser::Write(const std::string& text)
 834 {
 835         if (!ServerInstance->SE->BoundsCheckFd(&eh))
 836                 return;
 837
 838         if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
 839         {
 840                 // this should happen rarely or never. Crop the string at 512 and try again.
 841                 std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
 842                 Write(try_again);
 843                 return;
 844         }
 845
 846         ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
 847
 848         eh.AddWriteBuf(text);
 849         eh.AddWriteBuf(wide_newline);
 850
 851         ServerInstance->stats->statsSent += text.length() + 2;
 852         this->bytes_out += text.length() + 2;
 853         this->cmds_out++;
 854 }
 855
 856 /** Write()
 857  */
 858 void LocalUser::Write(const char *text, ...)
 859 {
 860         std::string textbuffer;
 861         VAFORMAT(textbuffer, text, text);
 862         this->Write(textbuffer);
 863 }
 864
 865 void User::WriteServ(const std::string& text)
 866 {
 867         this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
 868 }
 869
 870 /** WriteServ()
 871  *  Same as Write(), except `text' is prefixed with `:server.name '.
 872  */
 873 void User::WriteServ(const char* text, ...)
 874 {
 875         std::string textbuffer;
 876         VAFORMAT(textbuffer, text, text);
 877         this->WriteServ(textbuffer);
 878 }
 879
 880 void User::WriteNotice(const std::string& text)
 881 {
 882         this->WriteServ("NOTICE " + (this->registered == REG_ALL ? this->nick : "*") + " :" + text);
 883 }
 884
 885 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
 886 {
 887         std::string textbuffer;
 888         VAFORMAT(textbuffer, text, text);
 889         this->WriteNumeric(numeric, textbuffer);
 890 }
 891
 892 void User::WriteNumeric(unsigned int numeric, const std::string &text)
 893 {
 894         ModResult MOD_RESULT;
 895
 896         FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
 897
 898         if (MOD_RESULT == MOD_RES_DENY)
 899                 return;
 900
 901         const std::string message = InspIRCd::Format(":%s %03u %s %s", ServerInstance->Config->ServerName.c_str(),
 902                 numeric, !this->nick.empty() ? this->nick.c_str() : "*", text.c_str());
 903         this->Write(message);
 904 }
 905
 906 void User::WriteFrom(User *user, const std::string &text)
 907 {
 908         const std::string message = ":" + user->GetFullHost() + " " + text;
 909         this->Write(message);
 910 }
 911
 912
 913 /* write text from an originating user to originating user */
 914
 915 void User::WriteFrom(User *user, const char* text, ...)
 916 {
 917         std::string textbuffer;
 918         VAFORMAT(textbuffer, text, text);
 919         this->WriteFrom(user, textbuffer);
 920 }
 921
 922
 923 /* write text to an destination user from a source user (e.g. user privmsg) */
 924
 925 void User::WriteTo(User *dest, const char *data, ...)
 926 {
 927         std::string textbuffer;
 928         VAFORMAT(textbuffer, data, data);
 929         this->WriteTo(dest, textbuffer);
 930 }
 931
 932 void User::WriteTo(User *dest, const std::string &data)
 933 {
 934         dest->WriteFrom(this, data);
 935 }
 936
 937 void User::WriteCommon(const char* text, ...)
 938 {
 939         if (this->registered != REG_ALL || quitting)
 940                 return;
 941
 942         std::string textbuffer;
 943         VAFORMAT(textbuffer, text, text);
 944         textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
 945         this->WriteCommonRaw(textbuffer, true);
 946 }
 947
 948 void User::WriteCommonExcept(const char* text, ...)
 949 {
 950         if (this->registered != REG_ALL || quitting)
 951                 return;
 952
 953         std::string textbuffer;
 954         VAFORMAT(textbuffer, text, text);
 955         textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
 956         this->WriteCommonRaw(textbuffer, false);
 957 }
 958
 959 void User::WriteCommonRaw(const std::string &line, bool include_self)
 960 {
 961         if (this->registered != REG_ALL || quitting)
 962                 return;
 963
 964         LocalUser::already_sent_id++;
 965
 966         UserChanList include_c(chans);
 967         std::map<User*,bool> exceptions;
 968
 969         exceptions[this] = include_self;
 970
 971         FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
 972
 973         for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
 974         {
 975                 LocalUser* u = IS_LOCAL(i->first);
 976                 if (u && !u->quitting)
 977                 {
 978                         u->already_sent = LocalUser::already_sent_id;
 979                         if (i->second)
 980                                 u->Write(line);
 981                 }
 982         }
 983         for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
 984         {
 985                 Channel* c = *v;
 986                 const UserMembList* ulist = c->GetUsers();
 987                 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
 988                 {
 989                         LocalUser* u = IS_LOCAL(i->first);
 990                         if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
 991                         {
 992                                 u->already_sent = LocalUser::already_sent_id;
 993                                 u->Write(line);
 994                         }
 995                 }
 996         }
 997 }
 998
 999 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1000 {
1001         if (this->registered != REG_ALL)
1002                 return;
1003
1004         already_sent_t uniq_id = ++LocalUser::already_sent_id;
1005
1006         const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
1007         const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
1008
1009         UserChanList include_c(chans);
1010         std::map<User*,bool> exceptions;
1011
1012         FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
1013
1014         for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1015         {
1016                 LocalUser* u = IS_LOCAL(i->first);
1017                 if (u && !u->quitting)
1018                 {
1019                         u->already_sent = uniq_id;
1020                         if (i->second)
1021                                 u->Write(u->IsOper() ? operMessage : normalMessage);
1022                 }
1023         }
1024         for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1025         {
1026                 const UserMembList* ulist = (*v)->GetUsers();
1027                 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1028                 {
1029                         LocalUser* u = IS_LOCAL(i->first);
1030                         if (u && !u->quitting && (u->already_sent != uniq_id))
1031                         {
1032                                 u->already_sent = uniq_id;
1033                                 u->Write(u->IsOper() ? operMessage : normalMessage);
1034                         }
1035                 }
1036         }
1037 }
1038
1039 void LocalUser::SendText(const std::string& line)
1040 {
1041         Write(line);
1042 }
1043
1044 void RemoteUser::SendText(const std::string& line)
1045 {
1046         ServerInstance->PI->PushToClient(this, line);
1047 }
1048
1049 void FakeUser::SendText(const std::string& line)
1050 {
1051 }
1052
1053 void User::SendText(const char *text, ...)
1054 {
1055         std::string line;
1056         VAFORMAT(line, text, text);
1057         SendText(line);
1058 }
1059
1060 void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
1061 {
1062         std::string line;
1063         std::string word;
1064         while (textStream >> word)
1065         {
1066                 size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
1067                 if (lineLength > ServerInstance->Config->Limits.MaxLine)
1068                 {
1069                         SendText(linePrefix + line);
1070                         line.clear();
1071                 }
1072                 line += " " + word;
1073         }
1074         SendText(linePrefix + line);
1075 }
1076
1077 /* return 0 or 1 depending if users u and u2 share one or more common channels
1078  * (used by QUIT, NICK etc which arent channel specific notices)
1079  *
1080  * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1081  * the first users channels then the second users channels within the outer loop,
1082  * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1083  * all possible iterations). However this new function instead checks against the
1084  * channel's userlist in the inner loop which is a std::map<User*,User*>
1085  * and saves us time as we already know what pointer value we are after.
1086  * Don't quote me on the maths as i am not a mathematician or computer scientist,
1087  * but i believe this algorithm is now x+(log y) maximum iterations instead.
1088  */
1089 bool User::SharesChannelWith(User *other)
1090 {
1091         if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1092                 return false;
1093
1094         /* Outer loop */
1095         for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1096         {
1097                 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1098                  * by replacing it with a map::find which *should* be more efficient
1099                  */
1100                 if ((*i)->HasUser(other))
1101                         return true;
1102         }
1103         return false;
1104 }
1105
1106 bool User::ChangeName(const std::string& gecos)
1107 {
1108         if (!this->fullname.compare(gecos))
1109                 return true;
1110
1111         if (IS_LOCAL(this))
1112         {
1113                 ModResult MOD_RESULT;
1114                 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1115                 if (MOD_RESULT == MOD_RES_DENY)
1116                         return false;
1117                 FOREACH_MOD(OnChangeName, (this,gecos));
1118         }
1119         this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1120
1121         return true;
1122 }
1123
1124 bool User::ChangeDisplayedHost(const std::string& shost)
1125 {
1126         if (dhost == shost)
1127                 return true;
1128
1129         if (IS_LOCAL(this))
1130         {
1131                 ModResult MOD_RESULT;
1132                 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1133                 if (MOD_RESULT == MOD_RES_DENY)
1134                         return false;
1135         }
1136
1137         FOREACH_MOD(OnChangeHost, (this,shost));
1138
1139         this->dhost.assign(shost, 0, 64);
1140         this->InvalidateCache();
1141
1142         if (IS_LOCAL(this))
1143                 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str());
1144
1145         return true;
1146 }
1147
1148 bool User::ChangeIdent(const std::string& newident)
1149 {
1150         if (this->ident == newident)
1151                 return true;
1152
1153         FOREACH_MOD(OnChangeIdent, (this,newident));
1154
1155         this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1156         this->InvalidateCache();
1157
1158         return true;
1159 }
1160
1161 void User::SendAll(const char* command, const char* text, ...)
1162 {
1163         std::string textbuffer;
1164         VAFORMAT(textbuffer, text, text);
1165         const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer;
1166
1167         for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1168         {
1169                 if ((*i)->registered == REG_ALL)
1170                         (*i)->Write(message);
1171         }
1172 }
1173
1174 /*
1175  * Sets a user's connection class.
1176  * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1177  * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1178  * then their ip will be taken as 'priority' anyway, so for example,
1179  * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1180  */
1181 void LocalUser::SetClass(const std::string &explicit_name)
1182 {
1183         ConnectClass *found = NULL;
1184
1185         ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1186
1187         if (!explicit_name.empty())
1188         {
1189                 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1190                 {
1191                         ConnectClass* c = *i;
1192
1193                         if (explicit_name == c->name)
1194                         {
1195                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1196                                 found = c;
1197                         }
1198                 }
1199         }
1200         else
1201         {
1202                 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1203                 {
1204                         ConnectClass* c = *i;
1205                         ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1206
1207                         ModResult MOD_RESULT;
1208                         FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1209                         if (MOD_RESULT == MOD_RES_DENY)
1210                                 continue;
1211                         if (MOD_RESULT == MOD_RES_ALLOW)
1212                         {
1213                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1214                                 found = c;
1215                                 break;
1216                         }
1217
1218                         if (c->type == CC_NAMED)
1219                                 continue;
1220
1221                         bool regdone = (registered != REG_NONE);
1222                         if (c->config->getBool("registered", regdone) != regdone)
1223                                 continue;
1224
1225                         /* check if host matches.. */
1226                         if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1227                             !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1228                         {
1229                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1230                                 continue;
1231                         }
1232
1233                         /*
1234                          * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1235                          * because we should attempt to find another class if this one doesn't match us. -- w00t
1236                          */
1237                         if (c->limit && (c->GetReferenceCount() >= c->limit))
1238                         {
1239                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1240                                 continue;
1241                         }
1242
1243                         /* if it requires a port ... */
1244                         int port = c->config->getInt("port");
1245                         if (port)
1246                         {
1247                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1248
1249                                 /* and our port doesn't match, fail. */
1250                                 if (this->GetServerPort() != port)
1251                                         continue;
1252                         }
1253
1254                         if (regdone && !c->config->getString("password").empty())
1255                         {
1256                                 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1257                                 {
1258                                         ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1259                                         continue;
1260                                 }
1261                         }
1262
1263                         /* we stop at the first class that meets ALL critera. */
1264                         found = c;
1265                         break;
1266                 }
1267         }
1268
1269         /*
1270          * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1271          */
1272         if (found)
1273         {
1274                 MyClass = found;
1275         }
1276 }
1277
1278 void User::PurgeEmptyChannels()
1279 {
1280         // firstly decrement the count on each channel
1281         for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1282         {
1283                 Channel* c = *f;
1284                 c->DelUser(this);
1285         }
1286
1287         this->UnOper();
1288 }
1289
1290 const std::string& FakeUser::GetFullHost()
1291 {
1292         if (!ServerInstance->Config->HideWhoisServer.empty())
1293                 return ServerInstance->Config->HideWhoisServer;
1294         return server;
1295 }
1296
1297 const std::string& FakeUser::GetFullRealHost()
1298 {
1299         if (!ServerInstance->Config->HideWhoisServer.empty())
1300                 return ServerInstance->Config->HideWhoisServer;
1301         return server;
1302 }
1303
1304 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1305         : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1306         pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1307         penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0),
1308         limit(0), resolvehostnames(true)
1309 {
1310 }
1311
1312 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1313         : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1314         registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1315         softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1316         penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1317         maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1318         limit(parent.limit), resolvehostnames(parent.resolvehostnames)
1319 {
1320 }
1321
1322 void ConnectClass::Update(const ConnectClass* src)
1323 {
1324         config = src->config;
1325         type = src->type;
1326         fakelag = src->fakelag;
1327         name = src->name;
1328         registration_timeout = src->registration_timeout;
1329         host = src->host;
1330         pingtime = src->pingtime;
1331         softsendqmax = src->softsendqmax;
1332         hardsendqmax = src->hardsendqmax;
1333         recvqmax = src->recvqmax;
1334         penaltythreshold = src->penaltythreshold;
1335         commandrate = src->commandrate;
1336         maxlocal = src->maxlocal;
1337         maxglobal = src->maxglobal;
1338         maxconnwarn = src->maxconnwarn;
1339         maxchans = src->maxchans;
1340         limit = src->limit;
1341         resolvehostnames = src->resolvehostnames;
1342 }