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