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, bool force, time_t newts)
618 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
622 LocalUser* const localuser = IS_LOCAL(this);
623 if (!force && localuser)
625 ModResult MOD_RESULT;
626 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (localuser, newnick));
628 // If a module denied the change, abort now
629 if (MOD_RESULT == MOD_RES_DENY)
632 // Disallow the nick change if <security:restrictbannedusers> is on and there is a ban matching this user in
633 // one of the channels they are on
634 if (ServerInstance->Config->RestrictBannedUsers)
636 for (UCListIter i = this->chans.begin(); i != this->chans.end(); ++i)
638 Channel* chan = (*i)->chan;
639 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
641 this->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str());
648 if (assign(newnick) == assign(nick))
650 // case change, don't need to check campers
651 // and, if it's identical including case, we can leave right now
652 // We also don't update the nick TS if it's a case change, either
659 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
660 * then we have a potential collide. Check whether someone else is camping on the nick
661 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
662 * camper to their UID, and allow the incoming nick change.
664 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
665 * because the nick is already (rightfully) in use. -- w00t
667 User* InUse = ServerInstance->FindNickOnly(newnick);
668 if (InUse && (InUse != this))
670 if (InUse->registered != REG_ALL)
672 /* force the camper to their UUID, and ask them to re-send a NICK. */
673 InUse->WriteFrom(InUse, "NICK %s", InUse->uuid.c_str());
674 InUse->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", InUse->nick.c_str());
676 ServerInstance->Users->clientlist.erase(InUse->nick);
677 ServerInstance->Users->clientlist[InUse->uuid] = InUse;
679 InUse->nick = InUse->uuid;
680 InUse->InvalidateCache();
681 InUse->registered &= ~REG_NICK;
685 /* No camping, tell the incoming user to stop trying to change nick ;p */
686 this->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str());
691 age = newts ? newts : ServerInstance->Time();
694 if (this->registered == REG_ALL)
695 this->WriteCommon("NICK %s",newnick.c_str());
696 std::string oldnick = nick;
700 ServerInstance->Users->clientlist.erase(oldnick);
701 ServerInstance->Users->clientlist[newnick] = this;
703 if (registered == REG_ALL)
704 FOREACH_MOD(OnUserPostNick, (this,oldnick));
709 int LocalUser::GetServerPort()
711 switch (this->server_sa.sa.sa_family)
714 return htons(this->server_sa.in6.sin6_port);
716 return htons(this->server_sa.in4.sin_port);
721 const std::string& User::GetIPString()
724 if (cachedip.empty())
726 irc::sockets::satoap(client_sa, cachedip, port);
727 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
728 if (cachedip[0] == ':')
729 cachedip.insert(cachedip.begin(),1,'0');
735 irc::sockets::cidr_mask User::GetCIDRMask()
738 switch (client_sa.sa.sa_family)
741 range = ServerInstance->Config->c_ipv6_range;
744 range = ServerInstance->Config->c_ipv4_range;
747 return irc::sockets::cidr_mask(client_sa, range);
750 bool User::SetClientIP(const char* sip, bool recheck_eline)
753 cached_hostip.clear();
754 return irc::sockets::aptosa(sip, 0, client_sa);
757 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
760 cached_hostip.clear();
761 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
764 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
766 irc::sockets::sockaddrs sa;
767 if (!irc::sockets::aptosa(sip, 0, sa))
771 LocalUser::SetClientIP(sa, recheck_eline);
775 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
779 User::SetClientIP(sa);
781 this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
783 FOREACH_MOD(OnSetUserIP, (this));
787 static std::string wide_newline("\r\n");
789 void User::Write(const std::string& text)
793 void User::Write(const char *text, ...)
797 void LocalUser::Write(const std::string& text)
799 if (!SocketEngine::BoundsCheckFd(&eh))
802 if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
804 // this should happen rarely or never. Crop the string at 512 and try again.
805 std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
810 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
812 eh.AddWriteBuf(text);
813 eh.AddWriteBuf(wide_newline);
815 ServerInstance->stats.Sent += text.length() + 2;
816 this->bytes_out += text.length() + 2;
822 void LocalUser::Write(const char *text, ...)
824 std::string textbuffer;
825 VAFORMAT(textbuffer, text, text);
826 this->Write(textbuffer);
829 void User::WriteServ(const std::string& text)
831 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
835 * Same as Write(), except `text' is prefixed with `:server.name '.
837 void User::WriteServ(const char* text, ...)
839 std::string textbuffer;
840 VAFORMAT(textbuffer, text, text);
841 this->WriteServ(textbuffer);
844 void User::WriteCommand(const char* command, const std::string& text)
846 this->WriteServ(command + (this->registered & REG_NICK ? " " + this->nick : " *") + " " + text);
849 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
851 std::string textbuffer;
852 VAFORMAT(textbuffer, text, text);
853 this->WriteNumeric(numeric, textbuffer);
856 void User::WriteNumeric(unsigned int numeric, const std::string &text)
858 ModResult MOD_RESULT;
860 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
862 if (MOD_RESULT == MOD_RES_DENY)
865 const std::string message = InspIRCd::Format(":%s %03u %s %s", ServerInstance->Config->ServerName.c_str(),
866 numeric, this->registered & REG_NICK ? this->nick.c_str() : "*", text.c_str());
867 this->Write(message);
870 void User::WriteFrom(User *user, const std::string &text)
872 const std::string message = ":" + user->GetFullHost() + " " + text;
873 this->Write(message);
877 /* write text from an originating user to originating user */
879 void User::WriteFrom(User *user, const char* text, ...)
881 std::string textbuffer;
882 VAFORMAT(textbuffer, text, text);
883 this->WriteFrom(user, textbuffer);
886 void User::WriteCommon(const char* text, ...)
888 if (this->registered != REG_ALL || quitting)
891 std::string textbuffer;
892 VAFORMAT(textbuffer, text, text);
893 textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
894 this->WriteCommonRaw(textbuffer, true);
897 void User::WriteCommonRaw(const std::string &line, bool include_self)
899 if (this->registered != REG_ALL || quitting)
902 LocalUser::already_sent_id++;
904 IncludeChanList include_c(chans.begin(), chans.end());
905 std::map<User*,bool> exceptions;
907 exceptions[this] = include_self;
909 FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
911 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
913 LocalUser* u = IS_LOCAL(i->first);
914 if (u && !u->quitting)
916 u->already_sent = LocalUser::already_sent_id;
921 for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
923 Channel* c = (*v)->chan;
924 const UserMembList* ulist = c->GetUsers();
925 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
927 LocalUser* u = IS_LOCAL(i->first);
928 if (u && u->already_sent != LocalUser::already_sent_id)
930 u->already_sent = LocalUser::already_sent_id;
937 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
939 if (this->registered != REG_ALL)
942 already_sent_t uniq_id = ++LocalUser::already_sent_id;
944 const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
945 const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
947 IncludeChanList include_c(chans.begin(), chans.end());
948 std::map<User*,bool> exceptions;
950 FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
952 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
954 LocalUser* u = IS_LOCAL(i->first);
955 if (u && !u->quitting)
957 u->already_sent = uniq_id;
959 u->Write(u->IsOper() ? operMessage : normalMessage);
962 for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
964 const UserMembList* ulist = (*v)->chan->GetUsers();
965 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
967 LocalUser* u = IS_LOCAL(i->first);
968 if (u && (u->already_sent != uniq_id))
970 u->already_sent = uniq_id;
971 u->Write(u->IsOper() ? operMessage : normalMessage);
977 void LocalUser::SendText(const std::string& line)
982 void RemoteUser::SendText(const std::string& line)
984 ServerInstance->PI->PushToClient(this, line);
987 void FakeUser::SendText(const std::string& line)
991 void User::SendText(const char *text, ...)
994 VAFORMAT(line, text, text);
998 void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
1002 while (textStream >> word)
1004 size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
1005 if (lineLength > ServerInstance->Config->Limits.MaxLine)
1007 SendText(linePrefix + line);
1012 SendText(linePrefix + line);
1015 /* return 0 or 1 depending if users u and u2 share one or more common channels
1016 * (used by QUIT, NICK etc which arent channel specific notices)
1018 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1019 * the first users channels then the second users channels within the outer loop,
1020 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1021 * all possible iterations). However this new function instead checks against the
1022 * channel's userlist in the inner loop which is a std::map<User*,User*>
1023 * and saves us time as we already know what pointer value we are after.
1024 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1025 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1027 bool User::SharesChannelWith(User *other)
1030 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1032 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1033 * by replacing it with a map::find which *should* be more efficient
1035 if ((*i)->chan->HasUser(other))
1041 bool User::ChangeName(const std::string& gecos)
1043 if (!this->fullname.compare(gecos))
1048 ModResult MOD_RESULT;
1049 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1050 if (MOD_RESULT == MOD_RES_DENY)
1052 FOREACH_MOD(OnChangeName, (this,gecos));
1054 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1059 bool User::ChangeDisplayedHost(const std::string& shost)
1066 ModResult MOD_RESULT;
1067 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1068 if (MOD_RESULT == MOD_RES_DENY)
1072 FOREACH_MOD(OnChangeHost, (this,shost));
1074 this->dhost.assign(shost, 0, ServerInstance->Config->Limits.MaxHost);
1075 this->InvalidateCache();
1078 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str());
1083 bool User::ChangeIdent(const std::string& newident)
1085 if (this->ident == newident)
1088 FOREACH_MOD(OnChangeIdent, (this,newident));
1090 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1091 this->InvalidateCache();
1097 * Sets a user's connection class.
1098 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1099 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1100 * then their ip will be taken as 'priority' anyway, so for example,
1101 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1103 void LocalUser::SetClass(const std::string &explicit_name)
1105 ConnectClass *found = NULL;
1107 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1109 if (!explicit_name.empty())
1111 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1113 ConnectClass* c = *i;
1115 if (explicit_name == c->name)
1117 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1124 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1126 ConnectClass* c = *i;
1127 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1129 ModResult MOD_RESULT;
1130 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1131 if (MOD_RESULT == MOD_RES_DENY)
1133 if (MOD_RESULT == MOD_RES_ALLOW)
1135 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1140 if (c->type == CC_NAMED)
1143 bool regdone = (registered != REG_NONE);
1144 if (c->config->getBool("registered", regdone) != regdone)
1147 /* check if host matches.. */
1148 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1149 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1151 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1156 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1157 * because we should attempt to find another class if this one doesn't match us. -- w00t
1159 if (c->limit && (c->GetReferenceCount() >= c->limit))
1161 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1165 /* if it requires a port ... */
1166 int port = c->config->getInt("port");
1169 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1171 /* and our port doesn't match, fail. */
1172 if (this->GetServerPort() != port)
1176 if (regdone && !c->config->getString("password").empty())
1178 if (!ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1180 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1185 /* we stop at the first class that meets ALL critera. */
1192 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1200 void User::PurgeEmptyChannels()
1202 // firstly decrement the count on each channel
1203 for (UCListIter i = this->chans.begin(); i != this->chans.end(); )
1205 Channel* c = (*i)->chan;
1213 const std::string& FakeUser::GetFullHost()
1215 if (!ServerInstance->Config->HideWhoisServer.empty())
1216 return ServerInstance->Config->HideWhoisServer;
1217 return server->GetName();
1220 const std::string& FakeUser::GetFullRealHost()
1222 if (!ServerInstance->Config->HideWhoisServer.empty())
1223 return ServerInstance->Config->HideWhoisServer;
1224 return server->GetName();
1227 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1228 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1229 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1230 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(ServerInstance->Config->MaxChans),
1231 limit(0), resolvehostnames(true)
1235 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1236 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1237 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1238 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1239 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1240 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1241 limit(parent.limit), resolvehostnames(parent.resolvehostnames)
1245 void ConnectClass::Update(const ConnectClass* src)
1247 config = src->config;
1249 fakelag = src->fakelag;
1251 registration_timeout = src->registration_timeout;
1253 pingtime = src->pingtime;
1254 softsendqmax = src->softsendqmax;
1255 hardsendqmax = src->hardsendqmax;
1256 recvqmax = src->recvqmax;
1257 penaltythreshold = src->penaltythreshold;
1258 commandrate = src->commandrate;
1259 maxlocal = src->maxlocal;
1260 maxglobal = src->maxglobal;
1261 maxconnwarn = src->maxconnwarn;
1262 maxchans = src->maxchans;
1264 resolvehostnames = src->resolvehostnames;