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