2 * InspIRCd -- Internet Relay Chat Daemon
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>
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.
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
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/>.
29 already_sent_t LocalUser::already_sent_id = 0;
31 bool User::IsNoticeMaskSet(unsigned char sm)
35 return (snomasks[sm-65]);
38 bool User::IsModeSet(unsigned char m)
40 ModeHandler* mh = ServerInstance->Modes->FindMode(m, MODETYPE_USER);
41 return (mh && modes[mh->GetId()]);
44 const char* User::FormatModes(bool showparameters)
46 static std::string data;
50 for (unsigned char n = 0; n < 64; n++)
52 ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
53 if (mh && IsModeSet(mh))
55 data.push_back(n + 65);
56 if (showparameters && mh->GetNumParams(true))
58 std::string p = mh->GetUserParameter(this);
60 params.append(" ").append(p);
68 User::User(const std::string& uid, Server* srv, int type)
69 : uuid(uid), server(srv), usertype(type)
71 age = ServerInstance->Time();
75 client_sa.sa.sa_family = AF_UNSPEC;
77 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
79 if (!ServerInstance->Users->uuidlist.insert(std::make_pair(uuid, this)).second)
80 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
83 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
84 : User(ServerInstance->UIDGen.GetUID(), ServerInstance->FakeClient->server, USERTYPE_LOCAL), eh(this),
85 bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
88 exempt = quitting_sendq = false;
93 memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
94 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
95 dhost = host = GetIPString();
100 if (ServerInstance->FindUUID(uuid))
101 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str());
104 const std::string& User::MakeHost()
106 if (!this->cached_makehost.empty())
107 return this->cached_makehost;
109 // XXX: Is there really a need to cache this?
110 this->cached_makehost = ident + "@" + host;
111 return this->cached_makehost;
114 const std::string& User::MakeHostIP()
116 if (!this->cached_hostip.empty())
117 return this->cached_hostip;
119 // XXX: Is there really a need to cache this?
120 this->cached_hostip = ident + "@" + this->GetIPString();
121 return this->cached_hostip;
124 const std::string& User::GetFullHost()
126 if (!this->cached_fullhost.empty())
127 return this->cached_fullhost;
129 // XXX: Is there really a need to cache this?
130 this->cached_fullhost = nick + "!" + ident + "@" + dhost;
131 return this->cached_fullhost;
134 const std::string& User::GetFullRealHost()
136 if (!this->cached_fullrealhost.empty())
137 return this->cached_fullrealhost;
139 // XXX: Is there really a need to cache this?
140 this->cached_fullrealhost = nick + "!" + ident + "@" + host;
141 return this->cached_fullrealhost;
144 InviteList& LocalUser::GetInviteList()
146 RemoveExpiredInvites();
150 bool LocalUser::RemoveInvite(Channel* chan)
152 Invitation* inv = Invitation::Find(chan, this);
161 void LocalUser::RemoveExpiredInvites()
163 Invitation::Find(NULL, this);
166 bool User::HasModePermission(unsigned char, ModeType)
171 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
176 if (mode < 'A' || mode > ('A' + 64)) return false;
178 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
182 * users on remote servers can completely bypass all permissions based checks.
183 * This prevents desyncs when one server has different type/class tags to another.
184 * That having been said, this does open things up to the possibility of source changes
185 * allowing remote kills, etc - but if they have access to the src, they most likely have
186 * access to the conf - so it's an end to a means either way.
188 bool User::HasPermission(const std::string&)
193 bool LocalUser::HasPermission(const std::string &command)
195 // are they even an oper at all?
201 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
203 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
209 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
214 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
219 this->WriteNotice("You are not an oper");
223 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
227 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
233 this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
238 void UserIOHandler::OnDataReady()
243 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
245 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
246 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
247 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
250 unsigned long sendqmax = ULONG_MAX;
251 if (!user->HasPrivPermission("users/flood/increased-buffers"))
252 sendqmax = user->MyClass->GetSendqSoftMax();
253 unsigned long penaltymax = ULONG_MAX;
254 if (!user->HasPrivPermission("users/flood/no-fakelag"))
255 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
257 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
260 line.reserve(ServerInstance->Config->Limits.MaxLine);
261 std::string::size_type qpos = 0;
262 while (qpos < recvq.length())
264 char c = recvq[qpos++];
275 if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
278 // if we got here, the recvq ran out before we found a newline
281 // just found a newline. Terminate the string, and pull it out of recvq
282 recvq = recvq.substr(qpos);
284 // TODO should this be moved to when it was inserted in recvq?
285 ServerInstance->stats.Recv += qpos;
286 user->bytes_in += qpos;
289 ServerInstance->Parser.ProcessBuffer(line, user);
293 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
294 ServerInstance->Users->QuitUser(user, "Excess Flood");
297 void UserIOHandler::AddWriteBuf(const std::string &data)
299 if (user->quitting_sendq)
301 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
302 !user->HasPrivPermission("users/flood/increased-buffers"))
304 user->quitting_sendq = true;
305 ServerInstance->GlobalCulls.AddSQItem(user);
309 // We still want to append data to the sendq of a quitting user,
310 // e.g. their ERROR message that says 'closing link'
315 void UserIOHandler::OnError(BufferedSocketError)
317 ServerInstance->Users->QuitUser(user, getError());
320 CullResult User::cull()
323 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
325 if (client_sa.sa.sa_family != AF_UNSPEC)
326 ServerInstance->Users->RemoveCloneCounts(this);
328 return Extensible::cull();
331 CullResult LocalUser::cull()
333 ServerInstance->Users->local_users.erase(this);
339 CullResult FakeUser::cull()
341 // Fake users don't quit, they just get culled.
343 // Fake users are not inserted into UserManager::clientlist, they're only in the uuidlist
344 ServerInstance->Users->uuidlist.erase(uuid);
348 void User::Oper(OperInfo* info)
350 ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
351 if (this->IsModeSet(opermh))
354 this->SetMode(opermh, true);
356 this->WriteCommand("MODE", "+o");
357 FOREACH_MOD(OnOper, (this, info->name));
359 std::string opername;
360 if (info->oper_block)
361 opername = info->oper_block->getString("name");
365 LocalUser* l = IS_LOCAL(this);
366 std::string vhost = oper->getConfig("vhost");
368 l->ChangeDisplayedHost(vhost.c_str());
369 std::string opClass = oper->getConfig("class");
370 if (!opClass.empty())
371 l->SetClass(opClass);
374 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
375 nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
376 this->WriteNumeric(RPL_YOUAREOPER, ":You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
378 ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
379 ServerInstance->Users->all_opers.push_back(this);
381 // Expand permissions from config for faster lookup
385 FOREACH_MOD(OnPostOper, (this, oper->name, opername));
388 void OperInfo::init()
390 AllowedOperCommands.clear();
391 AllowedPrivs.clear();
392 AllowedUserModes.reset();
393 AllowedChanModes.reset();
394 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
396 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
398 ConfigTag* tag = *iter;
399 std::string mycmd, mypriv;
400 /* Process commands */
401 irc::spacesepstream CommandList(tag->getString("commands"));
402 while (CommandList.GetToken(mycmd))
404 AllowedOperCommands.insert(mycmd);
407 irc::spacesepstream PrivList(tag->getString("privs"));
408 while (PrivList.GetToken(mypriv))
410 AllowedPrivs.insert(mypriv);
413 std::string modes = tag->getString("usermodes");
414 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
418 this->AllowedUserModes.set();
420 else if (*c >= 'A' && *c < 'z')
422 this->AllowedUserModes[*c - 'A'] = true;
426 modes = tag->getString("chanmodes");
427 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
431 this->AllowedChanModes.set();
433 else if (*c >= 'A' && *c < 'z')
435 this->AllowedChanModes[*c - 'A'] = true;
447 * unset their oper type (what IS_OPER checks).
448 * note, order is important - this must come before modes as -o attempts
449 * to call UnOper. -- w00t
454 /* Remove all oper only modes from the user when the deoper - Bug #466*/
455 std::string moderemove("-");
457 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
459 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
460 if (mh && mh->NeedsOper())
461 moderemove += letter;
465 std::vector<std::string> parameters;
466 parameters.push_back(this->nick);
467 parameters.push_back(moderemove);
469 ServerInstance->Modes->Process(parameters, this);
471 // Remove the user from the oper list
472 stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);
474 ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
475 this->SetMode(opermh, false);
479 * Check class restrictions
481 void LocalUser::CheckClass(bool clone_count)
483 ConnectClass* a = this->MyClass;
487 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
490 else if (a->type == CC_DENY)
492 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
495 else if (clone_count)
497 const UserManager::CloneCounts& clonecounts = ServerInstance->Users->GetCloneCounts(this);
498 if ((a->GetMaxLocal()) && (clonecounts.local > a->GetMaxLocal()))
500 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
502 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
505 else if ((a->GetMaxGlobal()) && (clonecounts.global > a->GetMaxGlobal()))
507 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
509 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
514 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
517 bool LocalUser::CheckLines(bool doZline)
519 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
523 for (int n = 0; check[n]; ++n)
525 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
538 void LocalUser::FullConnect()
540 ServerInstance->stats.Connects++;
541 this->idle_lastmsg = ServerInstance->Time();
544 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
545 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
546 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
547 * Don't remove this! -- w00t
557 this->WriteNumeric(RPL_WELCOME, ":Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
558 this->WriteNumeric(RPL_YOURHOSTIS, ":Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH);
559 this->WriteNumeric(RPL_SERVERCREATED, ":This server was created %s %s", __TIME__, __DATE__);
561 const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
562 this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH, modelist.c_str());
564 ServerInstance->ISupport.SendTo(this);
567 if (ServerInstance->Users->unregistered_count)
568 ServerInstance->Users->unregistered_count--;
570 /* Trigger MOTD and LUSERS output, give modules a chance too */
571 ModResult MOD_RESULT;
572 std::string command("LUSERS");
573 std::vector<std::string> parameters;
574 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
576 ServerInstance->Parser.CallHandler(command, parameters, this);
578 MOD_RESULT = MOD_RES_PASSTHRU;
580 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
582 ServerInstance->Parser.CallHandler(command, parameters, this);
584 if (ServerInstance->Config->RawLog)
585 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
588 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
589 * for a user that doesn't exist yet.
591 FOREACH_MOD(OnUserConnect, (this));
593 this->registered = REG_ALL;
595 FOREACH_MOD(OnPostConnect, (this));
597 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
598 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
599 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
600 ServerInstance->BanCache.AddHit(this->GetIPString(), "", "");
601 // reset the flood penalty (which could have been raised due to things like auto +x)
602 CommandFloodPenalty = 0;
605 void User::InvalidateCache()
607 /* Invalidate cache */
608 cached_fullhost.clear();
609 cached_hostip.clear();
610 cached_makehost.clear();
611 cached_fullrealhost.clear();
614 bool User::ChangeNick(const std::string& newnick, time_t newts)
618 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
622 User* const InUse = ServerInstance->FindNickOnly(newnick);
625 // case change, don't need to check campers
626 // and, if it's identical including case, we can leave right now
627 // We also don't update the nick TS if it's a case change, either
634 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
635 * then we have a potential collide. Check whether someone else is camping on the nick
636 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
637 * camper to their UID, and allow the incoming nick change.
639 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
640 * because the nick is already (rightfully) in use. -- w00t
644 if (InUse->registered != REG_ALL)
646 /* force the camper to their UUID, and ask them to re-send a NICK. */
647 InUse->WriteFrom(InUse, "NICK %s", InUse->uuid.c_str());
648 InUse->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", InUse->nick.c_str());
650 InUse->registered &= ~REG_NICK;
651 InUse->ChangeNick(InUse->uuid);
655 /* No camping, tell the incoming user to stop trying to change nick ;p */
656 this->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str());
661 age = newts ? newts : ServerInstance->Time();
664 if (this->registered == REG_ALL)
665 this->WriteCommon("NICK %s",newnick.c_str());
666 std::string oldnick = nick;
670 ServerInstance->Users->clientlist.erase(oldnick);
671 ServerInstance->Users->clientlist[newnick] = this;
673 if (registered == REG_ALL)
674 FOREACH_MOD(OnUserPostNick, (this,oldnick));
679 int LocalUser::GetServerPort()
681 switch (this->server_sa.sa.sa_family)
684 return htons(this->server_sa.in6.sin6_port);
686 return htons(this->server_sa.in4.sin_port);
691 const std::string& User::GetIPString()
694 if (cachedip.empty())
696 irc::sockets::satoap(client_sa, cachedip, port);
697 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
698 if (cachedip[0] == ':')
699 cachedip.insert(cachedip.begin(),1,'0');
705 irc::sockets::cidr_mask User::GetCIDRMask()
708 switch (client_sa.sa.sa_family)
711 range = ServerInstance->Config->c_ipv6_range;
714 range = ServerInstance->Config->c_ipv4_range;
717 return irc::sockets::cidr_mask(client_sa, range);
720 bool User::SetClientIP(const char* sip, bool recheck_eline)
723 cached_hostip.clear();
724 return irc::sockets::aptosa(sip, 0, client_sa);
727 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
730 cached_hostip.clear();
731 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
734 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
736 irc::sockets::sockaddrs sa;
737 if (!irc::sockets::aptosa(sip, 0, sa))
741 LocalUser::SetClientIP(sa, recheck_eline);
745 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
749 User::SetClientIP(sa);
751 this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
753 FOREACH_MOD(OnSetUserIP, (this));
757 static std::string wide_newline("\r\n");
759 void User::Write(const std::string& text)
763 void User::Write(const char *text, ...)
767 void LocalUser::Write(const std::string& text)
769 if (!SocketEngine::BoundsCheckFd(&eh))
772 if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
774 // this should happen rarely or never. Crop the string at 512 and try again.
775 std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
780 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
782 eh.AddWriteBuf(text);
783 eh.AddWriteBuf(wide_newline);
785 ServerInstance->stats.Sent += text.length() + 2;
786 this->bytes_out += text.length() + 2;
792 void LocalUser::Write(const char *text, ...)
794 std::string textbuffer;
795 VAFORMAT(textbuffer, text, text);
796 this->Write(textbuffer);
799 void User::WriteServ(const std::string& text)
801 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
805 * Same as Write(), except `text' is prefixed with `:server.name '.
807 void User::WriteServ(const char* text, ...)
809 std::string textbuffer;
810 VAFORMAT(textbuffer, text, text);
811 this->WriteServ(textbuffer);
814 void User::WriteCommand(const char* command, const std::string& text)
816 this->WriteServ(command + (this->registered & REG_NICK ? " " + this->nick : " *") + " " + text);
819 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
821 std::string textbuffer;
822 VAFORMAT(textbuffer, text, text);
823 this->WriteNumeric(numeric, textbuffer);
826 void User::WriteNumeric(unsigned int numeric, const std::string &text)
828 ModResult MOD_RESULT;
830 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
832 if (MOD_RESULT == MOD_RES_DENY)
835 const std::string message = InspIRCd::Format(":%s %03u %s %s", ServerInstance->Config->ServerName.c_str(),
836 numeric, this->registered & REG_NICK ? this->nick.c_str() : "*", text.c_str());
837 this->Write(message);
840 void User::WriteFrom(User *user, const std::string &text)
842 const std::string message = ":" + user->GetFullHost() + " " + text;
843 this->Write(message);
847 /* write text from an originating user to originating user */
849 void User::WriteFrom(User *user, const char* text, ...)
851 std::string textbuffer;
852 VAFORMAT(textbuffer, text, text);
853 this->WriteFrom(user, textbuffer);
856 void User::WriteCommon(const char* text, ...)
858 if (this->registered != REG_ALL || quitting)
861 std::string textbuffer;
862 VAFORMAT(textbuffer, text, text);
863 textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
864 this->WriteCommonRaw(textbuffer, true);
867 void User::WriteCommonRaw(const std::string &line, bool include_self)
869 if (this->registered != REG_ALL || quitting)
872 LocalUser::already_sent_id++;
874 IncludeChanList include_c(chans.begin(), chans.end());
875 std::map<User*,bool> exceptions;
877 exceptions[this] = include_self;
879 FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
881 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
883 LocalUser* u = IS_LOCAL(i->first);
884 if (u && !u->quitting)
886 u->already_sent = LocalUser::already_sent_id;
891 for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
893 Channel* c = (*v)->chan;
894 const UserMembList* ulist = c->GetUsers();
895 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
897 LocalUser* u = IS_LOCAL(i->first);
898 if (u && u->already_sent != LocalUser::already_sent_id)
900 u->already_sent = LocalUser::already_sent_id;
907 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
909 if (this->registered != REG_ALL)
912 already_sent_t uniq_id = ++LocalUser::already_sent_id;
914 const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
915 const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
917 IncludeChanList include_c(chans.begin(), chans.end());
918 std::map<User*,bool> exceptions;
920 FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
922 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
924 LocalUser* u = IS_LOCAL(i->first);
925 if (u && !u->quitting)
927 u->already_sent = uniq_id;
929 u->Write(u->IsOper() ? operMessage : normalMessage);
932 for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
934 const UserMembList* ulist = (*v)->chan->GetUsers();
935 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
937 LocalUser* u = IS_LOCAL(i->first);
938 if (u && (u->already_sent != uniq_id))
940 u->already_sent = uniq_id;
941 u->Write(u->IsOper() ? operMessage : normalMessage);
947 void LocalUser::SendText(const std::string& line)
952 void RemoteUser::SendText(const std::string& line)
954 ServerInstance->PI->PushToClient(this, line);
957 void FakeUser::SendText(const std::string& line)
961 void User::SendText(const char *text, ...)
964 VAFORMAT(line, text, text);
968 void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
972 while (textStream >> word)
974 size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
975 if (lineLength > ServerInstance->Config->Limits.MaxLine)
977 SendText(linePrefix + line);
982 SendText(linePrefix + line);
985 /* return 0 or 1 depending if users u and u2 share one or more common channels
986 * (used by QUIT, NICK etc which arent channel specific notices)
988 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
989 * the first users channels then the second users channels within the outer loop,
990 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
991 * all possible iterations). However this new function instead checks against the
992 * channel's userlist in the inner loop which is a std::map<User*,User*>
993 * and saves us time as we already know what pointer value we are after.
994 * Don't quote me on the maths as i am not a mathematician or computer scientist,
995 * but i believe this algorithm is now x+(log y) maximum iterations instead.
997 bool User::SharesChannelWith(User *other)
1000 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1002 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1003 * by replacing it with a map::find which *should* be more efficient
1005 if ((*i)->chan->HasUser(other))
1011 bool User::ChangeName(const std::string& gecos)
1013 if (!this->fullname.compare(gecos))
1018 ModResult MOD_RESULT;
1019 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1020 if (MOD_RESULT == MOD_RES_DENY)
1022 FOREACH_MOD(OnChangeName, (this,gecos));
1024 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1029 bool User::ChangeDisplayedHost(const std::string& shost)
1036 ModResult MOD_RESULT;
1037 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1038 if (MOD_RESULT == MOD_RES_DENY)
1042 FOREACH_MOD(OnChangeHost, (this,shost));
1044 this->dhost.assign(shost, 0, ServerInstance->Config->Limits.MaxHost);
1045 this->InvalidateCache();
1048 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str());
1053 bool User::ChangeIdent(const std::string& newident)
1055 if (this->ident == newident)
1058 FOREACH_MOD(OnChangeIdent, (this,newident));
1060 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1061 this->InvalidateCache();
1067 * Sets a user's connection class.
1068 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1069 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1070 * then their ip will be taken as 'priority' anyway, so for example,
1071 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1073 void LocalUser::SetClass(const std::string &explicit_name)
1075 ConnectClass *found = NULL;
1077 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1079 if (!explicit_name.empty())
1081 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1083 ConnectClass* c = *i;
1085 if (explicit_name == c->name)
1087 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1094 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1096 ConnectClass* c = *i;
1097 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1099 ModResult MOD_RESULT;
1100 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1101 if (MOD_RESULT == MOD_RES_DENY)
1103 if (MOD_RESULT == MOD_RES_ALLOW)
1105 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1110 if (c->type == CC_NAMED)
1113 bool regdone = (registered != REG_NONE);
1114 if (c->config->getBool("registered", regdone) != regdone)
1117 /* check if host matches.. */
1118 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1119 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1121 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1126 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1127 * because we should attempt to find another class if this one doesn't match us. -- w00t
1129 if (c->limit && (c->GetReferenceCount() >= c->limit))
1131 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1135 /* if it requires a port ... */
1136 int port = c->config->getInt("port");
1139 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1141 /* and our port doesn't match, fail. */
1142 if (this->GetServerPort() != port)
1146 if (regdone && !c->config->getString("password").empty())
1148 if (!ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1150 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1155 /* we stop at the first class that meets ALL critera. */
1162 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1170 void User::PurgeEmptyChannels()
1172 // firstly decrement the count on each channel
1173 for (UCListIter i = this->chans.begin(); i != this->chans.end(); )
1175 Channel* c = (*i)->chan;
1183 const std::string& FakeUser::GetFullHost()
1185 if (!ServerInstance->Config->HideWhoisServer.empty())
1186 return ServerInstance->Config->HideWhoisServer;
1187 return server->GetName();
1190 const std::string& FakeUser::GetFullRealHost()
1192 if (!ServerInstance->Config->HideWhoisServer.empty())
1193 return ServerInstance->Config->HideWhoisServer;
1194 return server->GetName();
1197 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1198 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1199 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1200 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(ServerInstance->Config->MaxChans),
1201 limit(0), resolvehostnames(true)
1205 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1206 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1207 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1208 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1209 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1210 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1211 limit(parent.limit), resolvehostnames(parent.resolvehostnames)
1215 void ConnectClass::Update(const ConnectClass* src)
1217 config = src->config;
1219 fakelag = src->fakelag;
1221 registration_timeout = src->registration_timeout;
1223 pingtime = src->pingtime;
1224 softsendqmax = src->softsendqmax;
1225 hardsendqmax = src->hardsendqmax;
1226 recvqmax = src->recvqmax;
1227 penaltythreshold = src->penaltythreshold;
1228 commandrate = src->commandrate;
1229 maxlocal = src->maxlocal;
1230 maxglobal = src->maxglobal;
1231 maxconnwarn = src->maxconnwarn;
1232 maxchans = src->maxchans;
1234 resolvehostnames = src->resolvehostnames;