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/>.
28 #include "socketengine.h"
32 already_sent_t LocalUser::already_sent_id = 0;
34 bool User::IsNoticeMaskSet(unsigned char sm)
38 return (snomasks[sm-65]);
41 bool User::IsModeSet(unsigned char m)
48 const char* User::FormatModes(bool showparameters)
50 static std::string data;
54 for (unsigned char n = 0; n < 64; n++)
58 data.push_back(n + 65);
59 ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
60 if (showparameters && mh && mh->GetNumParams(true))
62 std::string p = mh->GetUserParameter(this);
64 params.append(" ").append(p);
72 User::User(const std::string &uid, const std::string& sid, int type)
73 : uuid(uid), server(sid), usertype(type)
75 age = ServerInstance->Time();
78 quietquit = quitting = false;
79 client_sa.sa.sa_family = AF_UNSPEC;
81 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
83 user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid);
84 if (finduuid == ServerInstance->Users->uuidlist->end())
85 (*ServerInstance->Users->uuidlist)[uuid] = this;
87 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
90 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
91 : User(ServerInstance->UIDGen.GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
92 localuseriter(ServerInstance->Users->local_users.end()),
93 bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
96 exempt = quitting_sendq = false;
101 memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
102 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
103 dhost = host = GetIPString();
108 if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
109 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str());
112 const std::string& User::MakeHost()
114 if (!this->cached_makehost.empty())
115 return this->cached_makehost;
117 // XXX: Is there really a need to cache this?
118 this->cached_makehost = ident + "@" + host;
119 return this->cached_makehost;
122 const std::string& User::MakeHostIP()
124 if (!this->cached_hostip.empty())
125 return this->cached_hostip;
127 // XXX: Is there really a need to cache this?
128 this->cached_hostip = ident + "@" + this->GetIPString();
129 return this->cached_hostip;
132 const std::string& User::GetFullHost()
134 if (!this->cached_fullhost.empty())
135 return this->cached_fullhost;
137 // XXX: Is there really a need to cache this?
138 this->cached_fullhost = nick + "!" + ident + "@" + dhost;
139 return this->cached_fullhost;
142 const std::string& User::GetFullRealHost()
144 if (!this->cached_fullrealhost.empty())
145 return this->cached_fullrealhost;
147 // XXX: Is there really a need to cache this?
148 this->cached_fullrealhost = nick + "!" + ident + "@" + host;
149 return this->cached_fullrealhost;
152 InviteList& LocalUser::GetInviteList()
154 RemoveExpiredInvites();
158 bool LocalUser::RemoveInvite(Channel* chan)
160 Invitation* inv = Invitation::Find(chan, this);
170 void LocalUser::RemoveExpiredInvites()
172 Invitation::Find(NULL, this);
175 bool User::HasModePermission(unsigned char, ModeType)
180 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
185 if (mode < 'A' || mode > ('A' + 64)) return false;
187 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
191 * users on remote servers can completely bypass all permissions based checks.
192 * This prevents desyncs when one server has different type/class tags to another.
193 * That having been said, this does open things up to the possibility of source changes
194 * allowing remote kills, etc - but if they have access to the src, they most likely have
195 * access to the conf - so it's an end to a means either way.
197 bool User::HasPermission(const std::string&)
202 bool LocalUser::HasPermission(const std::string &command)
204 // are they even an oper at all?
210 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
212 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
218 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
223 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
228 this->WriteNotice("You are not an oper");
232 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
236 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
242 this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
247 void UserIOHandler::OnDataReady()
252 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
254 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
255 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
256 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
259 unsigned long sendqmax = ULONG_MAX;
260 if (!user->HasPrivPermission("users/flood/increased-buffers"))
261 sendqmax = user->MyClass->GetSendqSoftMax();
262 unsigned long penaltymax = ULONG_MAX;
263 if (!user->HasPrivPermission("users/flood/no-fakelag"))
264 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
266 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
269 line.reserve(ServerInstance->Config->Limits.MaxLine);
270 std::string::size_type qpos = 0;
271 while (qpos < recvq.length())
273 char c = recvq[qpos++];
284 if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
287 // if we got here, the recvq ran out before we found a newline
290 // just found a newline. Terminate the string, and pull it out of recvq
291 recvq = recvq.substr(qpos);
293 // TODO should this be moved to when it was inserted in recvq?
294 ServerInstance->stats->statsRecv += qpos;
295 user->bytes_in += qpos;
298 ServerInstance->Parser->ProcessBuffer(line, user);
302 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
303 ServerInstance->Users->QuitUser(user, "Excess Flood");
306 void UserIOHandler::AddWriteBuf(const std::string &data)
308 if (user->quitting_sendq)
310 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
311 !user->HasPrivPermission("users/flood/increased-buffers"))
313 user->quitting_sendq = true;
314 ServerInstance->GlobalCulls.AddSQItem(user);
318 // We still want to append data to the sendq of a quitting user,
319 // e.g. their ERROR message that says 'closing link'
324 void UserIOHandler::OnError(BufferedSocketError)
326 ServerInstance->Users->QuitUser(user, getError());
329 CullResult User::cull()
332 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
333 PurgeEmptyChannels();
335 if (client_sa.sa.sa_family != AF_UNSPEC)
336 ServerInstance->Users->RemoveCloneCounts(this);
338 return Extensible::cull();
341 CullResult LocalUser::cull()
343 // The iterator is initialized to local_users.end() in the constructor. It is
344 // overwritten in UserManager::AddUser() with the real iterator so this check
345 // is only a precaution currently.
346 if (localuseriter != ServerInstance->Users->local_users.end())
348 ServerInstance->Users->local_count--;
349 ServerInstance->Users->local_users.erase(localuseriter);
352 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: LocalUserIter does not point to a valid entry for " + this->nick);
359 CullResult FakeUser::cull()
361 // Fake users don't quit, they just get culled.
363 ServerInstance->Users->clientlist->erase(nick);
364 ServerInstance->Users->uuidlist->erase(uuid);
368 void User::Oper(OperInfo* info)
370 if (this->IsModeSet('o'))
373 this->modes[UM_OPERATOR] = 1;
375 this->WriteServ("MODE %s :+o", this->nick.c_str());
376 FOREACH_MOD(I_OnOper, OnOper(this, info->name));
378 std::string opername;
379 if (info->oper_block)
380 opername = info->oper_block->getString("name");
384 LocalUser* l = IS_LOCAL(this);
385 std::string vhost = oper->getConfig("vhost");
387 l->ChangeDisplayedHost(vhost.c_str());
388 std::string opClass = oper->getConfig("class");
389 if (!opClass.empty())
390 l->SetClass(opClass);
393 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
394 nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
395 this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
397 ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
398 ServerInstance->Users->all_opers.push_back(this);
400 // Expand permissions from config for faster lookup
404 FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
407 void OperInfo::init()
409 AllowedOperCommands.clear();
410 AllowedPrivs.clear();
411 AllowedUserModes.reset();
412 AllowedChanModes.reset();
413 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
415 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
417 ConfigTag* tag = *iter;
418 std::string mycmd, mypriv;
419 /* Process commands */
420 irc::spacesepstream CommandList(tag->getString("commands"));
421 while (CommandList.GetToken(mycmd))
423 AllowedOperCommands.insert(mycmd);
426 irc::spacesepstream PrivList(tag->getString("privs"));
427 while (PrivList.GetToken(mypriv))
429 AllowedPrivs.insert(mypriv);
432 std::string modes = tag->getString("usermodes");
433 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
437 this->AllowedUserModes.set();
439 else if (*c >= 'A' && *c < 'z')
441 this->AllowedUserModes[*c - 'A'] = true;
445 modes = tag->getString("chanmodes");
446 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
450 this->AllowedChanModes.set();
452 else if (*c >= 'A' && *c < 'z')
454 this->AllowedChanModes[*c - 'A'] = true;
466 * unset their oper type (what IS_OPER checks).
467 * note, order is important - this must come before modes as -o attempts
468 * to call UnOper. -- w00t
473 /* Remove all oper only modes from the user when the deoper - Bug #466*/
474 std::string moderemove("-");
476 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
478 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
479 if (mh && mh->NeedsOper())
480 moderemove += letter;
484 std::vector<std::string> parameters;
485 parameters.push_back(this->nick);
486 parameters.push_back(moderemove);
488 ServerInstance->Parser->CallHandler("MODE", parameters, this);
490 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
491 ServerInstance->Users->all_opers.remove(this);
493 this->modes[UM_OPERATOR] = 0;
497 * Check class restrictions
499 void LocalUser::CheckClass(bool clone_count)
501 ConnectClass* a = this->MyClass;
505 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
508 else if (a->type == CC_DENY)
510 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
513 else if (clone_count)
515 if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
517 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
519 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
522 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
524 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
526 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
531 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
534 bool LocalUser::CheckLines(bool doZline)
536 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
540 for (int n = 0; check[n]; ++n)
542 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
555 void LocalUser::FullConnect()
557 ServerInstance->stats->statsConnects++;
558 this->idle_lastmsg = ServerInstance->Time();
561 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
562 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
563 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
564 * Don't remove this! -- w00t
574 this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
575 this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH);
576 this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
578 const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
579 this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), BRANCH, modelist.c_str());
581 ServerInstance->ISupport.SendTo(this);
582 this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
585 if (ServerInstance->Users->unregistered_count)
586 ServerInstance->Users->unregistered_count--;
588 /* Trigger MOTD and LUSERS output, give modules a chance too */
589 ModResult MOD_RESULT;
590 std::string command("LUSERS");
591 std::vector<std::string> parameters;
592 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
594 ServerInstance->Parser->CallHandler(command, parameters, this);
596 MOD_RESULT = MOD_RES_PASSTHRU;
598 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
600 ServerInstance->Parser->CallHandler(command, parameters, this);
602 if (ServerInstance->Config->RawLog)
603 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
606 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
607 * for a user that doesn't exist yet.
609 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
611 this->registered = REG_ALL;
613 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
615 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
616 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
617 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
618 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
619 // reset the flood penalty (which could have been raised due to things like auto +x)
620 CommandFloodPenalty = 0;
623 void User::InvalidateCache()
625 /* Invalidate cache */
626 cached_fullhost.clear();
627 cached_hostip.clear();
628 cached_makehost.clear();
629 cached_fullrealhost.clear();
632 bool User::ChangeNick(const std::string& newnick, bool force)
636 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
642 ModResult MOD_RESULT;
643 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
645 if (MOD_RESULT == MOD_RES_DENY)
647 ServerInstance->stats->statsCollisions++;
652 if (assign(newnick) == assign(nick))
654 // case change, don't need to check Q:lines and such
655 // and, if it's identical including case, we can leave right now
662 * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
663 * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
664 * Thanks Kein for finding this. -- w00t
666 * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
669 if (IS_LOCAL(this) && !force)
671 XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
674 if (this->registered == REG_ALL)
676 ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
677 newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
679 this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
683 if (ServerInstance->Config->RestrictBannedUsers)
685 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
688 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
690 this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
698 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
699 * then we have a potential collide. Check whether someone else is camping on the nick
700 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
701 * camper to their UID, and allow the incoming nick change.
703 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
704 * because the nick is already (rightfully) in use. -- w00t
706 User* InUse = ServerInstance->FindNickOnly(newnick);
707 if (InUse && (InUse != this))
709 if (InUse->registered != REG_ALL)
711 /* force the camper to their UUID, and ask them to re-send a NICK. */
712 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
713 InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
715 ServerInstance->Users->clientlist->erase(InUse->nick);
716 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
718 InUse->nick = InUse->uuid;
719 InUse->InvalidateCache();
720 InUse->registered &= ~REG_NICK;
724 /* No camping, tell the incoming user to stop trying to change nick ;p */
725 this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
731 if (this->registered == REG_ALL)
732 this->WriteCommon("NICK %s",newnick.c_str());
733 std::string oldnick = nick;
737 ServerInstance->Users->clientlist->erase(oldnick);
738 (*(ServerInstance->Users->clientlist))[newnick] = this;
740 if (registered == REG_ALL)
741 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
746 int LocalUser::GetServerPort()
748 switch (this->server_sa.sa.sa_family)
751 return htons(this->server_sa.in6.sin6_port);
753 return htons(this->server_sa.in4.sin_port);
758 const std::string& User::GetIPString()
761 if (cachedip.empty())
763 irc::sockets::satoap(client_sa, cachedip, port);
764 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
765 if (cachedip[0] == ':')
766 cachedip.insert(0,1,'0');
772 irc::sockets::cidr_mask User::GetCIDRMask()
775 switch (client_sa.sa.sa_family)
778 range = ServerInstance->Config->c_ipv6_range;
781 range = ServerInstance->Config->c_ipv4_range;
784 return irc::sockets::cidr_mask(client_sa, range);
787 bool User::SetClientIP(const char* sip, bool recheck_eline)
790 cached_hostip.clear();
791 return irc::sockets::aptosa(sip, 0, client_sa);
794 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
797 cached_hostip.clear();
798 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
801 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
803 irc::sockets::sockaddrs sa;
804 if (!irc::sockets::aptosa(sip, 0, sa))
808 LocalUser::SetClientIP(sa, recheck_eline);
812 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
816 User::SetClientIP(sa);
818 this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
820 FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(this));
824 static std::string wide_newline("\r\n");
826 void User::Write(const std::string& text)
830 void User::Write(const char *text, ...)
834 void LocalUser::Write(const std::string& text)
836 if (!ServerInstance->SE->BoundsCheckFd(&eh))
839 if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
841 // this should happen rarely or never. Crop the string at 512 and try again.
842 std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
847 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
849 eh.AddWriteBuf(text);
850 eh.AddWriteBuf(wide_newline);
852 ServerInstance->stats->statsSent += text.length() + 2;
853 this->bytes_out += text.length() + 2;
859 void LocalUser::Write(const char *text, ...)
861 std::string textbuffer;
862 VAFORMAT(textbuffer, text, text);
863 this->Write(textbuffer);
866 void User::WriteServ(const std::string& text)
868 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
872 * Same as Write(), except `text' is prefixed with `:server.name '.
874 void User::WriteServ(const char* text, ...)
876 std::string textbuffer;
877 VAFORMAT(textbuffer, text, text);
878 this->WriteServ(textbuffer);
881 void User::WriteNotice(const std::string& text)
883 this->WriteServ("NOTICE " + (this->registered == REG_ALL ? this->nick : "*") + " :" + text);
886 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
888 std::string textbuffer;
889 VAFORMAT(textbuffer, text, text);
890 this->WriteNumeric(numeric, textbuffer);
893 void User::WriteNumeric(unsigned int numeric, const std::string &text)
895 ModResult MOD_RESULT;
897 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
899 if (MOD_RESULT == MOD_RES_DENY)
902 const std::string message = InspIRCd::Format(":%s %03u %s", ServerInstance->Config->ServerName.c_str(),
903 numeric, text.c_str());
904 this->Write(message);
907 void User::WriteFrom(User *user, const std::string &text)
909 const std::string message = ":" + user->GetFullHost() + " " + text;
910 this->Write(message);
914 /* write text from an originating user to originating user */
916 void User::WriteFrom(User *user, const char* text, ...)
918 std::string textbuffer;
919 VAFORMAT(textbuffer, text, text);
920 this->WriteFrom(user, textbuffer);
924 /* write text to an destination user from a source user (e.g. user privmsg) */
926 void User::WriteTo(User *dest, const char *data, ...)
928 std::string textbuffer;
929 VAFORMAT(textbuffer, data, data);
930 this->WriteTo(dest, textbuffer);
933 void User::WriteTo(User *dest, const std::string &data)
935 dest->WriteFrom(this, data);
938 void User::WriteCommon(const char* text, ...)
940 if (this->registered != REG_ALL || quitting)
943 std::string textbuffer;
944 VAFORMAT(textbuffer, text, text);
945 textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
946 this->WriteCommonRaw(textbuffer, true);
949 void User::WriteCommonExcept(const char* text, ...)
951 if (this->registered != REG_ALL || quitting)
954 std::string textbuffer;
955 VAFORMAT(textbuffer, text, text);
956 textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
957 this->WriteCommonRaw(textbuffer, false);
960 void User::WriteCommonRaw(const std::string &line, bool include_self)
962 if (this->registered != REG_ALL || quitting)
965 LocalUser::already_sent_id++;
967 UserChanList include_c(chans);
968 std::map<User*,bool> exceptions;
970 exceptions[this] = include_self;
972 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
974 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
976 LocalUser* u = IS_LOCAL(i->first);
977 if (u && !u->quitting)
979 u->already_sent = LocalUser::already_sent_id;
984 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
987 const UserMembList* ulist = c->GetUsers();
988 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
990 LocalUser* u = IS_LOCAL(i->first);
991 if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
993 u->already_sent = LocalUser::already_sent_id;
1000 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1002 if (this->registered != REG_ALL)
1005 already_sent_t uniq_id = ++LocalUser::already_sent_id;
1007 const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
1008 const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
1010 UserChanList include_c(chans);
1011 std::map<User*,bool> exceptions;
1013 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1015 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1017 LocalUser* u = IS_LOCAL(i->first);
1018 if (u && !u->quitting)
1020 u->already_sent = uniq_id;
1022 u->Write(u->IsOper() ? operMessage : normalMessage);
1025 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1027 const UserMembList* ulist = (*v)->GetUsers();
1028 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1030 LocalUser* u = IS_LOCAL(i->first);
1031 if (u && !u->quitting && (u->already_sent != uniq_id))
1033 u->already_sent = uniq_id;
1034 u->Write(u->IsOper() ? operMessage : normalMessage);
1040 void LocalUser::SendText(const std::string& line)
1045 void RemoteUser::SendText(const std::string& line)
1047 ServerInstance->PI->PushToClient(this, line);
1050 void FakeUser::SendText(const std::string& line)
1054 void User::SendText(const char *text, ...)
1057 VAFORMAT(line, text, text);
1061 void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
1065 while (textStream >> word)
1067 size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
1068 if (lineLength > ServerInstance->Config->Limits.MaxLine)
1070 SendText(linePrefix + line);
1075 SendText(linePrefix + line);
1078 /* return 0 or 1 depending if users u and u2 share one or more common channels
1079 * (used by QUIT, NICK etc which arent channel specific notices)
1081 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1082 * the first users channels then the second users channels within the outer loop,
1083 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1084 * all possible iterations). However this new function instead checks against the
1085 * channel's userlist in the inner loop which is a std::map<User*,User*>
1086 * and saves us time as we already know what pointer value we are after.
1087 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1088 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1090 bool User::SharesChannelWith(User *other)
1092 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1096 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1098 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1099 * by replacing it with a map::find which *should* be more efficient
1101 if ((*i)->HasUser(other))
1107 bool User::ChangeName(const char* gecos)
1109 if (!this->fullname.compare(gecos))
1114 ModResult MOD_RESULT;
1115 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1116 if (MOD_RESULT == MOD_RES_DENY)
1118 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1120 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1125 void User::DoHostCycle(const std::string &quitline)
1127 if (!ServerInstance->Config->CycleHosts)
1130 already_sent_t silent_id = ++LocalUser::already_sent_id;
1131 already_sent_t seen_id = ++LocalUser::already_sent_id;
1133 UserChanList include_c(chans);
1134 std::map<User*,bool> exceptions;
1136 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1138 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1140 LocalUser* u = IS_LOCAL(i->first);
1141 if (u && !u->quitting)
1145 u->already_sent = seen_id;
1150 u->already_sent = silent_id;
1154 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1157 Membership* memb = c->GetUser(this);
1158 const std::string joinline = ":" + GetFullHost() + " JOIN " + c->name;
1159 std::string modeline;
1161 if (!memb->modes.empty())
1163 modeline = ":" + (ServerInstance->Config->CycleHostsFromUser ? GetFullHost() : ServerInstance->Config->ServerName)
1164 + " MODE " + c->name + " +" + memb->modes;
1166 for (size_t i = 0; i < memb->modes.length(); i++)
1167 modeline.append(" ").append(nick);
1170 const UserMembList *ulist = c->GetUsers();
1171 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1173 LocalUser* u = IS_LOCAL(i->first);
1174 if (u == NULL || u == this)
1176 if (u->already_sent == silent_id)
1179 if (u->already_sent != seen_id)
1182 u->already_sent = seen_id;
1185 if (!memb->modes.empty())
1191 bool User::ChangeDisplayedHost(const char* shost)
1198 ModResult MOD_RESULT;
1199 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1200 if (MOD_RESULT == MOD_RES_DENY)
1204 FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1206 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
1208 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1209 this->dhost.assign(shost, 0, 64);
1211 this->InvalidateCache();
1213 this->DoHostCycle(quitstr);
1216 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1221 bool User::ChangeIdent(const char* newident)
1223 if (this->ident == newident)
1226 FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
1228 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
1230 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1232 this->InvalidateCache();
1234 this->DoHostCycle(quitstr);
1239 void User::SendAll(const char* command, const char* text, ...)
1241 std::string textbuffer;
1242 VAFORMAT(textbuffer, text, text);
1243 const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer;
1245 for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1247 if ((*i)->registered == REG_ALL)
1248 (*i)->Write(message);
1253 * Sets a user's connection class.
1254 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1255 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1256 * then their ip will be taken as 'priority' anyway, so for example,
1257 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1259 void LocalUser::SetClass(const std::string &explicit_name)
1261 ConnectClass *found = NULL;
1263 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1265 if (!explicit_name.empty())
1267 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1269 ConnectClass* c = *i;
1271 if (explicit_name == c->name)
1273 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1280 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1282 ConnectClass* c = *i;
1283 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1285 ModResult MOD_RESULT;
1286 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1287 if (MOD_RESULT == MOD_RES_DENY)
1289 if (MOD_RESULT == MOD_RES_ALLOW)
1291 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1296 if (c->type == CC_NAMED)
1299 bool regdone = (registered != REG_NONE);
1300 if (c->config->getBool("registered", regdone) != regdone)
1303 /* check if host matches.. */
1304 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1305 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1307 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1312 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1313 * because we should attempt to find another class if this one doesn't match us. -- w00t
1315 if (c->limit && (c->GetReferenceCount() >= c->limit))
1317 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1321 /* if it requires a port ... */
1322 int port = c->config->getInt("port");
1325 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1327 /* and our port doesn't match, fail. */
1328 if (this->GetServerPort() != port)
1332 if (regdone && !c->config->getString("password").empty())
1334 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1336 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1341 /* we stop at the first class that meets ALL critera. */
1348 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1356 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1357 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1358 * then their ip will be taken as 'priority' anyway, so for example,
1359 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1361 ConnectClass* LocalUser::GetClass()
1366 ConnectClass* User::GetClass()
1371 void User::PurgeEmptyChannels()
1373 // firstly decrement the count on each channel
1374 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1383 const std::string& FakeUser::GetFullHost()
1385 if (!ServerInstance->Config->HideWhoisServer.empty())
1386 return ServerInstance->Config->HideWhoisServer;
1390 const std::string& FakeUser::GetFullRealHost()
1392 if (!ServerInstance->Config->HideWhoisServer.empty())
1393 return ServerInstance->Config->HideWhoisServer;
1397 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1398 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1399 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1400 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0),
1401 limit(0), nouserdns(false)
1405 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1406 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1407 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1408 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1409 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1410 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1411 limit(parent.limit), nouserdns(parent.nouserdns)
1415 void ConnectClass::Update(const ConnectClass* src)
1417 config = src->config;
1419 fakelag = src->fakelag;
1421 registration_timeout = src->registration_timeout;
1423 pingtime = src->pingtime;
1424 softsendqmax = src->softsendqmax;
1425 hardsendqmax = src->hardsendqmax;
1426 recvqmax = src->recvqmax;
1427 penaltythreshold = src->penaltythreshold;
1428 commandrate = src->commandrate;
1429 maxlocal = src->maxlocal;
1430 maxglobal = src->maxglobal;
1431 maxconnwarn = src->maxconnwarn;
1432 maxchans = src->maxchans;
1434 nouserdns = src->nouserdns;