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                 inv->cull();
 160                 delete inv;
 161                 return true;
 162         }
 163         return false;
 164 }
 165
 166 void LocalUser::RemoveExpiredInvites()
 167 {
 168         Invitation::Find(NULL, this);
 169 }
 170
 171 bool User::HasModePermission(unsigned char, ModeType)
 172 {
 173         return true;
 174 }
 175
 176 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
 177 {
 178         if (!this->IsOper())
 179                 return false;
 180
 181         if (mode < 'A' || mode > ('A' + 64)) return false;
 182
 183         return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
 184
 185 }
 186 /*
 187  * users on remote servers can completely bypass all permissions based checks.
 188  * This prevents desyncs when one server has different type/class tags to another.
 189  * That having been said, this does open things up to the possibility of source changes
 190  * allowing remote kills, etc - but if they have access to the src, they most likely have
 191  * access to the conf - so it's an end to a means either way.
 192  */
 193 bool User::HasPermission(const std::string&)
 194 {
 195         return true;
 196 }
 197
 198 bool LocalUser::HasPermission(const std::string &command)
 199 {
 200         // are they even an oper at all?
 201         if (!this->IsOper())
 202         {
 203                 return false;
 204         }
 205
 206         if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
 207                 return true;
 208         else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
 209                 return true;
 210
 211         return false;
 212 }
 213
 214 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
 215 {
 216         return true;
 217 }
 218
 219 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
 220 {
 221         if (!this->IsOper())
 222         {
 223                 if (noisy)
 224                         this->WriteNotice("You are not an oper");
 225                 return false;
 226         }
 227
 228         if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
 229         {
 230                 return true;
 231         }
 232         else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
 233         {
 234                 return true;
 235         }
 236
 237         if (noisy)
 238                 this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
 239
 240         return false;
 241 }
 242
 243 void UserIOHandler::OnDataReady()
 244 {
 245         if (user->quitting)
 246                 return;
 247
 248         if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
 249         {
 250                 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
 251                 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
 252                         user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
 253                 return;
 254         }
 255         unsigned long sendqmax = ULONG_MAX;
 256         if (!user->HasPrivPermission("users/flood/increased-buffers"))
 257                 sendqmax = user->MyClass->GetSendqSoftMax();
 258         unsigned long penaltymax = ULONG_MAX;
 259         if (!user->HasPrivPermission("users/flood/no-fakelag"))
 260                 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
 261
 262         while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
 263         {
 264                 std::string line;
 265                 line.reserve(ServerInstance->Config->Limits.MaxLine);
 266                 std::string::size_type qpos = 0;
 267                 while (qpos < recvq.length())
 268                 {
 269                         char c = recvq[qpos++];
 270                         switch (c)
 271                         {
 272                         case '\0':
 273                                 c = ' ';
 274                                 break;
 275                         case '\r':
 276                                 continue;
 277                         case '\n':
 278                                 goto eol_found;
 279                         }
 280                         if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
 281                                 line.push_back(c);
 282                 }
 283                 // if we got here, the recvq ran out before we found a newline
 284                 return;
 285 eol_found:
 286                 // just found a newline. Terminate the string, and pull it out of recvq
 287                 recvq = recvq.substr(qpos);
 288
 289                 // TODO should this be moved to when it was inserted in recvq?
 290                 ServerInstance->stats->statsRecv += qpos;
 291                 user->bytes_in += qpos;
 292                 user->cmds_in++;
 293
 294                 ServerInstance->Parser->ProcessBuffer(line, user);
 295                 if (user->quitting)
 296                         return;
 297         }
 298         if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
 299                 ServerInstance->Users->QuitUser(user, "Excess Flood");
 300 }
 301
 302 void UserIOHandler::AddWriteBuf(const std::string &data)
 303 {
 304         if (user->quitting_sendq)
 305                 return;
 306         if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
 307                 !user->HasPrivPermission("users/flood/increased-buffers"))
 308         {
 309                 user->quitting_sendq = true;
 310                 ServerInstance->GlobalCulls.AddSQItem(user);
 311                 return;
 312         }
 313
 314         // We still want to append data to the sendq of a quitting user,
 315         // e.g. their ERROR message that says 'closing link'
 316
 317         WriteData(data);
 318 }
 319
 320 void UserIOHandler::OnError(BufferedSocketError)
 321 {
 322         ServerInstance->Users->QuitUser(user, getError());
 323 }
 324
 325 CullResult User::cull()
 326 {
 327         if (!quitting)
 328                 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
 329         PurgeEmptyChannels();
 330
 331         if (client_sa.sa.sa_family != AF_UNSPEC)
 332                 ServerInstance->Users->RemoveCloneCounts(this);
 333
 334         return Extensible::cull();
 335 }
 336
 337 CullResult LocalUser::cull()
 338 {
 339         ServerInstance->Users->local_users.erase(this);
 340         ClearInvites();
 341         eh.cull();
 342         return User::cull();
 343 }
 344
 345 CullResult FakeUser::cull()
 346 {
 347         // Fake users don't quit, they just get culled.
 348         quitting = true;
 349         // Fake users are not inserted into UserManager::clientlist, they're only in the uuidlist
 350         ServerInstance->Users->uuidlist->erase(uuid);
 351         return User::cull();
 352 }
 353
 354 void User::Oper(OperInfo* info)
 355 {
 356         ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
 357         if (this->IsModeSet(opermh))
 358                 this->UnOper();
 359
 360         this->SetMode(opermh, true);
 361         this->oper = info;
 362         this->WriteServ("MODE %s :+o", this->nick.c_str());
 363         FOREACH_MOD(OnOper, (this, info->name));
 364
 365         std::string opername;
 366         if (info->oper_block)
 367                 opername = info->oper_block->getString("name");
 368
 369         if (IS_LOCAL(this))
 370         {
 371                 LocalUser* l = IS_LOCAL(this);
 372                 std::string vhost = oper->getConfig("vhost");
 373                 if (!vhost.empty())
 374                         l->ChangeDisplayedHost(vhost.c_str());
 375                 std::string opClass = oper->getConfig("class");
 376                 if (!opClass.empty())
 377                         l->SetClass(opClass);
 378         }
 379
 380         ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
 381                 nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
 382         this->WriteNumeric(RPL_YOUAREOPER, ":You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
 383
 384         ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
 385         ServerInstance->Users->all_opers.push_back(this);
 386
 387         // Expand permissions from config for faster lookup
 388         if (IS_LOCAL(this))
 389                 oper->init();
 390
 391         FOREACH_MOD(OnPostOper, (this, oper->name, opername));
 392 }
 393
 394 void OperInfo::init()
 395 {
 396         AllowedOperCommands.clear();
 397         AllowedPrivs.clear();
 398         AllowedUserModes.reset();
 399         AllowedChanModes.reset();
 400         AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
 401
 402         for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
 403         {
 404                 ConfigTag* tag = *iter;
 405                 std::string mycmd, mypriv;
 406                 /* Process commands */
 407                 irc::spacesepstream CommandList(tag->getString("commands"));
 408                 while (CommandList.GetToken(mycmd))
 409                 {
 410                         AllowedOperCommands.insert(mycmd);
 411                 }
 412
 413                 irc::spacesepstream PrivList(tag->getString("privs"));
 414                 while (PrivList.GetToken(mypriv))
 415                 {
 416                         AllowedPrivs.insert(mypriv);
 417                 }
 418
 419                 std::string modes = tag->getString("usermodes");
 420                 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
 421                 {
 422                         if (*c == '*')
 423                         {
 424                                 this->AllowedUserModes.set();
 425                         }
 426                         else if (*c >= 'A' && *c < 'z')
 427                         {
 428                                 this->AllowedUserModes[*c - 'A'] = true;
 429                         }
 430                 }
 431
 432                 modes = tag->getString("chanmodes");
 433                 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
 434                 {
 435                         if (*c == '*')
 436                         {
 437                                 this->AllowedChanModes.set();
 438                         }
 439                         else if (*c >= 'A' && *c < 'z')
 440                         {
 441                                 this->AllowedChanModes[*c - 'A'] = true;
 442                         }
 443                 }
 444         }
 445 }
 446
 447 void User::UnOper()
 448 {
 449         if (!this->IsOper())
 450                 return;
 451
 452         /*
 453          * unset their oper type (what IS_OPER checks).
 454          * note, order is important - this must come before modes as -o attempts
 455          * to call UnOper. -- w00t
 456          */
 457         oper = NULL;
 458
 459
 460         /* Remove all oper only modes from the user when the deoper - Bug #466*/
 461         std::string moderemove("-");
 462
 463         for (unsigned char letter = 'A'; letter <= 'z'; letter++)
 464         {
 465                 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
 466                 if (mh && mh->NeedsOper())
 467                         moderemove += letter;
 468         }
 469
 470
 471         std::vector<std::string> parameters;
 472         parameters.push_back(this->nick);
 473         parameters.push_back(moderemove);
 474
 475         ServerInstance->Modes->Process(parameters, this);
 476
 477         /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
 478         ServerInstance->Users->all_opers.remove(this);
 479
 480         ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
 481         this->SetMode(opermh, false);
 482 }
 483
 484 /*
 485  * Check class restrictions
 486  */
 487 void LocalUser::CheckClass(bool clone_count)
 488 {
 489         ConnectClass* a = this->MyClass;
 490
 491         if (!a)
 492         {
 493                 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
 494                 return;
 495         }
 496         else if (a->type == CC_DENY)
 497         {
 498                 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
 499                 return;
 500         }
 501         else if (clone_count)
 502         {
 503                 if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
 504                 {
 505                         ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
 506                         if (a->maxconnwarn)
 507                                 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
 508                         return;
 509                 }
 510                 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
 511                 {
 512                         ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
 513                         if (a->maxconnwarn)
 514                                 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
 515                         return;
 516                 }
 517         }
 518
 519         this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
 520 }
 521
 522 bool LocalUser::CheckLines(bool doZline)
 523 {
 524         const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
 525
 526         if (!this->exempt)
 527         {
 528                 for (int n = 0; check[n]; ++n)
 529                 {
 530                         XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
 531
 532                         if (r)
 533                         {
 534                                 r->Apply(this);
 535                                 return true;
 536                         }
 537                 }
 538         }
 539
 540         return false;
 541 }
 542
 543 void LocalUser::FullConnect()
 544 {
 545         ServerInstance->stats->statsConnects++;
 546         this->idle_lastmsg = ServerInstance->Time();
 547
 548         /*
 549          * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
 550          * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
 551          * may put the user into a totally seperate class with different restrictions! so we *must* check again.
 552          * Don't remove this! -- w00t
 553          */
 554         MyClass = NULL;
 555         SetClass();
 556         CheckClass();
 557         CheckLines();
 558
 559         if (quitting)
 560                 return;
 561
 562         this->WriteNumeric(RPL_WELCOME, ":Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
 563         this->WriteNumeric(RPL_YOURHOSTIS, ":Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), BRANCH);
 564         this->WriteNumeric(RPL_SERVERCREATED, ":This server was created %s %s", __TIME__, __DATE__);
 565
 566         const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
 567         this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s", ServerInstance->Config->ServerName.c_str(), BRANCH, modelist.c_str());
 568
 569         ServerInstance->ISupport.SendTo(this);
 570
 571         /* Now registered */
 572         if (ServerInstance->Users->unregistered_count)
 573                 ServerInstance->Users->unregistered_count--;
 574
 575         /* Trigger MOTD and LUSERS output, give modules a chance too */
 576         ModResult MOD_RESULT;
 577         std::string command("LUSERS");
 578         std::vector<std::string> parameters;
 579         FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
 580         if (!MOD_RESULT)
 581                 ServerInstance->Parser->CallHandler(command, parameters, this);
 582
 583         MOD_RESULT = MOD_RES_PASSTHRU;
 584         command = "MOTD";
 585         FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
 586         if (!MOD_RESULT)
 587                 ServerInstance->Parser->CallHandler(command, parameters, this);
 588
 589         if (ServerInstance->Config->RawLog)
 590                 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
 591
 592         /*
 593          * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
 594          * for a user that doesn't exist yet.
 595          */
 596         FOREACH_MOD(OnUserConnect, (this));
 597
 598         this->registered = REG_ALL;
 599
 600         FOREACH_MOD(OnPostConnect, (this));
 601
 602         ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
 603                 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
 604         ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
 605         ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
 606         // reset the flood penalty (which could have been raised due to things like auto +x)
 607         CommandFloodPenalty = 0;
 608 }
 609
 610 void User::InvalidateCache()
 611 {
 612         /* Invalidate cache */
 613         cached_fullhost.clear();
 614         cached_hostip.clear();
 615         cached_makehost.clear();
 616         cached_fullrealhost.clear();
 617 }
 618
 619 bool User::ChangeNick(const std::string& newnick, bool force)
 620 {
 621         if (quitting)
 622         {
 623                 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
 624                 return false;
 625         }
 626
 627         if (!force)
 628         {
 629                 ModResult MOD_RESULT;
 630                 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
 631
 632                 if (MOD_RESULT == MOD_RES_DENY)
 633                 {
 634                         ServerInstance->stats->statsCollisions++;
 635                         return false;
 636                 }
 637         }
 638
 639         if (assign(newnick) == assign(nick))
 640         {
 641                 // case change, don't need to check Q:lines and such
 642                 // and, if it's identical including case, we can leave right now
 643                 if (newnick == nick)
 644                         return true;
 645         }
 646         else
 647         {
 648                 /*
 649                  * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
 650                  * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
 651                  * Thanks Kein for finding this. -- w00t
 652                  *
 653                  * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
 654                  *              -- w00t
 655                  */
 656                 if (IS_LOCAL(this) && !force)
 657                 {
 658                         XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
 659                         if (mq)
 660                         {
 661                                 if (this->registered == REG_ALL)
 662                                 {
 663                                         ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
 664                                                 newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
 665                                 }
 666                                 this->WriteNumeric(ERR_ERRONEUSNICKNAME, "%s :Invalid nickname: %s", newnick.c_str(), mq->reason.c_str());
 667                                 return false;
 668                         }
 669
 670                         if (ServerInstance->Config->RestrictBannedUsers)
 671                         {
 672                                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
 673                                 {
 674                                         Channel* chan = (*i)->chan;
 675                                         if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
 676                                         {
 677                                                 this->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str());
 678                                                 return false;
 679                                         }
 680                                 }
 681                         }
 682                 }
 683
 684                 /*
 685                  * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
 686                  * then we have a potential collide. Check whether someone else is camping on the nick
 687                  * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
 688                  * camper to their UID, and allow the incoming nick change.
 689                  *
 690                  * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
 691                  * because the nick is already (rightfully) in use. -- w00t
 692                  */
 693                 User* InUse = ServerInstance->FindNickOnly(newnick);
 694                 if (InUse && (InUse != this))
 695                 {
 696                         if (InUse->registered != REG_ALL)
 697                         {
 698                                 /* force the camper to their UUID, and ask them to re-send a NICK. */
 699                                 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
 700                                 InUse->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", InUse->nick.c_str());
 701
 702                                 ServerInstance->Users->clientlist->erase(InUse->nick);
 703                                 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
 704
 705                                 InUse->nick = InUse->uuid;
 706                                 InUse->InvalidateCache();
 707                                 InUse->registered &= ~REG_NICK;
 708                         }
 709                         else
 710                         {
 711                                 /* No camping, tell the incoming user  to stop trying to change nick ;p */
 712                                 this->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str());
 713                                 return false;
 714                         }
 715                 }
 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 (!ServerInstance->SE->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::WriteNotice(const std::string& text)
 869 {
 870         this->WriteServ("NOTICE " + (this->registered == REG_ALL ? 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->nick.empty() ? 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->quitting && 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->quitting && (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         if ((this->registered != REG_ALL) || (other->registered != REG_ALL))
1080                 return false;
1081
1082         /* Outer loop */
1083         for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1084         {
1085                 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1086                  * by replacing it with a map::find which *should* be more efficient
1087                  */
1088                 if ((*i)->chan->HasUser(other))
1089                         return true;
1090         }
1091         return false;
1092 }
1093
1094 bool User::ChangeName(const std::string& gecos)
1095 {
1096         if (!this->fullname.compare(gecos))
1097                 return true;
1098
1099         if (IS_LOCAL(this))
1100         {
1101                 ModResult MOD_RESULT;
1102                 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1103                 if (MOD_RESULT == MOD_RES_DENY)
1104                         return false;
1105                 FOREACH_MOD(OnChangeName, (this,gecos));
1106         }
1107         this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1108
1109         return true;
1110 }
1111
1112 bool User::ChangeDisplayedHost(const std::string& shost)
1113 {
1114         if (dhost == shost)
1115                 return true;
1116
1117         if (IS_LOCAL(this))
1118         {
1119                 ModResult MOD_RESULT;
1120                 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1121                 if (MOD_RESULT == MOD_RES_DENY)
1122                         return false;
1123         }
1124
1125         FOREACH_MOD(OnChangeHost, (this,shost));
1126
1127         this->dhost.assign(shost, 0, 64);
1128         this->InvalidateCache();
1129
1130         if (IS_LOCAL(this))
1131                 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str());
1132
1133         return true;
1134 }
1135
1136 bool User::ChangeIdent(const std::string& newident)
1137 {
1138         if (this->ident == newident)
1139                 return true;
1140
1141         FOREACH_MOD(OnChangeIdent, (this,newident));
1142
1143         this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1144         this->InvalidateCache();
1145
1146         return true;
1147 }
1148
1149 void User::SendAll(const char* command, const char* text, ...)
1150 {
1151         std::string textbuffer;
1152         VAFORMAT(textbuffer, text, text);
1153         const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer;
1154
1155         for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1156         {
1157                 if ((*i)->registered == REG_ALL)
1158                         (*i)->Write(message);
1159         }
1160 }
1161
1162 /*
1163  * Sets a user's connection class.
1164  * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1165  * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1166  * then their ip will be taken as 'priority' anyway, so for example,
1167  * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1168  */
1169 void LocalUser::SetClass(const std::string &explicit_name)
1170 {
1171         ConnectClass *found = NULL;
1172
1173         ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1174
1175         if (!explicit_name.empty())
1176         {
1177                 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1178                 {
1179                         ConnectClass* c = *i;
1180
1181                         if (explicit_name == c->name)
1182                         {
1183                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1184                                 found = c;
1185                         }
1186                 }
1187         }
1188         else
1189         {
1190                 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1191                 {
1192                         ConnectClass* c = *i;
1193                         ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1194
1195                         ModResult MOD_RESULT;
1196                         FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1197                         if (MOD_RESULT == MOD_RES_DENY)
1198                                 continue;
1199                         if (MOD_RESULT == MOD_RES_ALLOW)
1200                         {
1201                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1202                                 found = c;
1203                                 break;
1204                         }
1205
1206                         if (c->type == CC_NAMED)
1207                                 continue;
1208
1209                         bool regdone = (registered != REG_NONE);
1210                         if (c->config->getBool("registered", regdone) != regdone)
1211                                 continue;
1212
1213                         /* check if host matches.. */
1214                         if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1215                             !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1216                         {
1217                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1218                                 continue;
1219                         }
1220
1221                         /*
1222                          * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1223                          * because we should attempt to find another class if this one doesn't match us. -- w00t
1224                          */
1225                         if (c->limit && (c->GetReferenceCount() >= c->limit))
1226                         {
1227                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1228                                 continue;
1229                         }
1230
1231                         /* if it requires a port ... */
1232                         int port = c->config->getInt("port");
1233                         if (port)
1234                         {
1235                                 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1236
1237                                 /* and our port doesn't match, fail. */
1238                                 if (this->GetServerPort() != port)
1239                                         continue;
1240                         }
1241
1242                         if (regdone && !c->config->getString("password").empty())
1243                         {
1244                                 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1245                                 {
1246                                         ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1247                                         continue;
1248                                 }
1249                         }
1250
1251                         /* we stop at the first class that meets ALL critera. */
1252                         found = c;
1253                         break;
1254                 }
1255         }
1256
1257         /*
1258          * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1259          */
1260         if (found)
1261         {
1262                 MyClass = found;
1263         }
1264 }
1265
1266 void User::PurgeEmptyChannels()
1267 {
1268         // firstly decrement the count on each channel
1269         for (UCListIter i = this->chans.begin(); i != this->chans.end(); )
1270         {
1271                 Channel* c = (*i)->chan;
1272                 ++i;
1273                 c->DelUser(this);
1274         }
1275
1276         this->UnOper();
1277 }
1278
1279 const std::string& FakeUser::GetFullHost()
1280 {
1281         if (!ServerInstance->Config->HideWhoisServer.empty())
1282                 return ServerInstance->Config->HideWhoisServer;
1283         return server->GetName();
1284 }
1285
1286 const std::string& FakeUser::GetFullRealHost()
1287 {
1288         if (!ServerInstance->Config->HideWhoisServer.empty())
1289                 return ServerInstance->Config->HideWhoisServer;
1290         return server->GetName();
1291 }
1292
1293 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1294         : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1295         pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1296         penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0),
1297         limit(0), resolvehostnames(true)
1298 {
1299 }
1300
1301 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1302         : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1303         registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1304         softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1305         penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1306         maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1307         limit(parent.limit), resolvehostnames(parent.resolvehostnames)
1308 {
1309 }
1310
1311 void ConnectClass::Update(const ConnectClass* src)
1312 {
1313         config = src->config;
1314         type = src->type;
1315         fakelag = src->fakelag;
1316         name = src->name;
1317         registration_timeout = src->registration_timeout;
1318         host = src->host;
1319         pingtime = src->pingtime;
1320         softsendqmax = src->softsendqmax;
1321         hardsendqmax = src->hardsendqmax;
1322         recvqmax = src->recvqmax;
1323         penaltythreshold = src->penaltythreshold;
1324         commandrate = src->commandrate;
1325         maxlocal = src->maxlocal;
1326         maxglobal = src->maxglobal;
1327         maxconnwarn = src->maxconnwarn;
1328         maxchans = src->maxchans;
1329         limit = src->limit;
1330         resolvehostnames = src->resolvehostnames;
1331 }