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 ClientProtocol::MessageList LocalUser::sendmsglist;
31 bool User::IsNoticeMaskSet(unsigned char sm)
35 return (snomasks[sm-65]);
38 bool User::IsModeSet(unsigned char m) const
40 ModeHandler* mh = ServerInstance->Modes->FindMode(m, MODETYPE_USER);
41 return (mh && modes[mh->GetId()]);
44 std::string User::GetModeLetters(bool includeparams) const
46 std::string ret(1, '+');
49 for (unsigned char i = 'A'; i <= 'z'; i++)
51 const ModeHandler* const mh = ServerInstance->Modes.FindMode(i, MODETYPE_USER);
52 if ((!mh) || (!IsModeSet(mh)))
55 ret.push_back(mh->GetModeChar());
56 if ((includeparams) && (mh->NeedsParam(true)))
58 const std::string val = mh->GetUserParameter(this);
60 params.append(1, ' ').append(val);
68 User::User(const std::string& uid, Server* srv, UserType type)
69 : age(ServerInstance->Time())
73 , registered(REG_NONE)
77 client_sa.sa.sa_family = AF_UNSPEC;
79 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
81 // Do not insert FakeUsers into the uuidlist so FindUUID() won't return them which is the desired behavior
82 if (type != USERTYPE_SERVER)
84 if (!ServerInstance->Users.uuidlist.insert(std::make_pair(uuid, this)).second)
85 throw CoreException("Duplicate UUID in User constructor: " + uuid);
89 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
90 : User(ServerInstance->UIDGen.GetUID(), ServerInstance->FakeClient->server, USERTYPE_LOCAL)
97 , quitting_sendq(false)
102 , CommandFloodPenalty(0)
105 signon = ServerInstance->Time();
106 // The user's default nick is their UUID
110 memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
111 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
112 ChangeRealHost(GetIPString(), true);
119 const std::string& User::MakeHost()
121 if (!this->cached_makehost.empty())
122 return this->cached_makehost;
124 this->cached_makehost = ident + "@" + GetRealHost();
125 return this->cached_makehost;
128 const std::string& User::MakeHostIP()
130 if (!this->cached_hostip.empty())
131 return this->cached_hostip;
133 this->cached_hostip = ident + "@" + this->GetIPString();
134 return this->cached_hostip;
137 const std::string& User::GetFullHost()
139 if (!this->cached_fullhost.empty())
140 return this->cached_fullhost;
142 this->cached_fullhost = nick + "!" + ident + "@" + GetDisplayedHost();
143 return this->cached_fullhost;
146 const std::string& User::GetFullRealHost()
148 if (!this->cached_fullrealhost.empty())
149 return this->cached_fullrealhost;
151 this->cached_fullrealhost = nick + "!" + ident + "@" + GetRealHost();
152 return this->cached_fullrealhost;
155 bool User::HasModePermission(const ModeHandler* mh) const
160 bool LocalUser::HasModePermission(const ModeHandler* mh) const
165 const unsigned char mode = mh->GetModeChar();
166 if (!ModeParser::IsModeChar(mode))
169 return ((mh->GetModeType() == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
173 * users on remote servers can completely bypass all permissions based checks.
174 * This prevents desyncs when one server has different type/class tags to another.
175 * That having been said, this does open things up to the possibility of source changes
176 * allowing remote kills, etc - but if they have access to the src, they most likely have
177 * access to the conf - so it's an end to a means either way.
179 bool User::HasCommandPermission(const std::string&)
184 bool LocalUser::HasCommandPermission(const std::string& command)
186 // are they even an oper at all?
192 return oper->AllowedOperCommands.Contains(command);
195 bool User::HasPrivPermission(const std::string& privstr)
200 bool LocalUser::HasPrivPermission(const std::string& privstr)
205 return oper->AllowedPrivs.Contains(privstr);
208 void UserIOHandler::OnDataReady()
213 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
215 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
216 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
217 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
221 unsigned long sendqmax = ULONG_MAX;
222 if (!user->HasPrivPermission("users/flood/increased-buffers"))
223 sendqmax = user->MyClass->GetSendqSoftMax();
225 unsigned long penaltymax = ULONG_MAX;
226 if (!user->HasPrivPermission("users/flood/no-fakelag"))
227 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
229 // The cleaned message sent by the user or empty if not found yet.
232 // The position of the most \n character or npos if not found yet.
233 std::string::size_type eolpos;
235 // The position within the recvq of the current character.
236 std::string::size_type qpos;
238 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
240 // Check the newly received data for an EOL.
241 eolpos = recvq.find('\n', checked_until);
242 if (eolpos == std::string::npos)
244 checked_until = recvq.length();
248 // We've found a line! Clean it up and move it to the line buffer.
249 line.reserve(eolpos);
250 for (qpos = 0; qpos < eolpos; ++qpos)
252 char c = recvq[qpos];
265 // just found a newline. Terminate the string, and pull it out of recvq
266 recvq.erase(0, eolpos + 1);
269 // TODO should this be moved to when it was inserted in recvq?
270 ServerInstance->stats.Recv += qpos;
271 user->bytes_in += qpos;
274 ServerInstance->Parser.ProcessBuffer(user, line);
278 // clear() does not reclaim memory associated with the string, so our .reserve() call is safe
282 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
283 ServerInstance->Users->QuitUser(user, "Excess Flood");
286 void UserIOHandler::AddWriteBuf(const std::string &data)
288 if (user->quitting_sendq)
290 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
291 !user->HasPrivPermission("users/flood/increased-buffers"))
293 user->quitting_sendq = true;
294 ServerInstance->GlobalCulls.AddSQItem(user);
298 // We still want to append data to the sendq of a quitting user,
299 // e.g. their ERROR message that says 'closing link'
304 bool UserIOHandler::OnSetEndPoint(const irc::sockets::sockaddrs& server, const irc::sockets::sockaddrs& client)
306 memcpy(&user->server_sa, &server, sizeof(irc::sockets::sockaddrs));
307 user->SetClientIP(client);
308 return !user->quitting;
311 void UserIOHandler::OnError(BufferedSocketError)
313 ServerInstance->Users->QuitUser(user, getError());
316 CullResult User::cull()
319 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
321 if (client_sa.family() != AF_UNSPEC)
322 ServerInstance->Users->RemoveCloneCounts(this);
324 return Extensible::cull();
327 CullResult LocalUser::cull()
333 CullResult FakeUser::cull()
335 // Fake users don't quit, they just get culled.
337 // Fake users are not inserted into UserManager::clientlist or uuidlist, so we don't need to modify those here
341 void User::Oper(OperInfo* info)
343 ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
346 if (this->IsModeSet(opermh))
348 this->SetMode(opermh, true);
352 LocalUser* localuser = IS_LOCAL(this);
355 Modes::ChangeList changelist;
356 changelist.push_add(opermh);
357 ClientProtocol::Events::Mode modemsg(ServerInstance->FakeClient, NULL, localuser, changelist);
358 localuser->Send(modemsg);
361 FOREACH_MOD(OnOper, (this, info->name));
363 std::string opername;
364 if (info->oper_block)
365 opername = info->oper_block->getString("name");
367 ServerInstance->SNO->WriteToSnoMask('o', "%s (%s@%s) is now a server operator of type %s (using oper '%s')",
368 nick.c_str(), ident.c_str(), GetRealHost().c_str(), oper->name.c_str(), opername.c_str());
369 this->WriteNumeric(RPL_YOUAREOPER, InspIRCd::Format("You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str()));
371 ServerInstance->Users->all_opers.push_back(this);
373 // Expand permissions from config for faster lookup
377 FOREACH_MOD(OnPostOper, (this, oper->name, opername));
380 void OperInfo::init()
382 AllowedOperCommands.Clear();
383 AllowedPrivs.Clear();
384 AllowedUserModes.reset();
385 AllowedChanModes.reset();
386 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
388 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
390 ConfigTag* tag = *iter;
392 AllowedOperCommands.AddList(tag->getString("commands"));
393 AllowedPrivs.AddList(tag->getString("privs"));
395 std::string modes = tag->getString("usermodes");
396 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
400 this->AllowedUserModes.set();
402 else if (*c >= 'A' && *c <= 'z')
404 this->AllowedUserModes[*c - 'A'] = true;
408 modes = tag->getString("chanmodes");
409 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
413 this->AllowedChanModes.set();
415 else if (*c >= 'A' && *c <= 'z')
417 this->AllowedChanModes[*c - 'A'] = true;
429 * unset their oper type (what IS_OPER checks).
430 * note, order is important - this must come before modes as -o attempts
431 * to call UnOper. -- w00t
436 /* Remove all oper only modes from the user when the deoper - Bug #466*/
437 Modes::ChangeList changelist;
438 const ModeParser::ModeHandlerMap& usermodes = ServerInstance->Modes->GetModes(MODETYPE_USER);
439 for (ModeParser::ModeHandlerMap::const_iterator i = usermodes.begin(); i != usermodes.end(); ++i)
441 ModeHandler* mh = i->second;
443 changelist.push_remove(mh);
446 ServerInstance->Modes->Process(this, NULL, this, changelist);
448 // Remove the user from the oper list
449 stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);
451 ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
453 this->SetMode(opermh, false);
454 FOREACH_MOD(OnPostDeoper, (this));
458 * Check class restrictions
460 void LocalUser::CheckClass(bool clone_count)
462 ConnectClass* a = this->MyClass;
466 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
469 else if (a->type == CC_DENY)
471 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
474 else if (clone_count)
476 const UserManager::CloneCounts& clonecounts = ServerInstance->Users->GetCloneCounts(this);
477 if ((a->GetMaxLocal()) && (clonecounts.local > a->GetMaxLocal()))
479 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
481 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
484 else if ((a->GetMaxGlobal()) && (clonecounts.global > a->GetMaxGlobal()))
486 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
488 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
493 this->nextping = ServerInstance->Time() + a->GetPingTime();
496 bool LocalUser::CheckLines(bool doZline)
498 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
502 for (int n = 0; check[n]; ++n)
504 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
517 void LocalUser::FullConnect()
519 ServerInstance->stats.Connects++;
520 this->idle_lastmsg = ServerInstance->Time();
523 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
524 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
525 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
526 * Don't remove this! -- w00t
537 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
538 * for a user that doesn't exist yet.
540 FOREACH_MOD(OnUserConnect, (this));
543 if (ServerInstance->Users->unregistered_count)
544 ServerInstance->Users->unregistered_count--;
545 this->registered = REG_ALL;
547 FOREACH_MOD(OnPostConnect, (this));
549 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
550 this->server_sa.port(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->GetRealName().c_str());
551 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
552 ServerInstance->BanCache.AddHit(this->GetIPString(), "", "");
553 // reset the flood penalty (which could have been raised due to things like auto +x)
554 CommandFloodPenalty = 0;
557 void User::InvalidateCache()
559 /* Invalidate cache */
561 cached_fullhost.clear();
562 cached_hostip.clear();
563 cached_makehost.clear();
564 cached_fullrealhost.clear();
567 bool User::ChangeNick(const std::string& newnick, time_t newts)
571 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
575 User* const InUse = ServerInstance->FindNickOnly(newnick);
578 // case change, don't need to check campers
579 // and, if it's identical including case, we can leave right now
580 // We also don't update the nick TS if it's a case change, either
587 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
588 * then we have a potential collide. Check whether someone else is camping on the nick
589 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
590 * camper to their UID, and allow the incoming nick change.
592 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
593 * because the nick is already (rightfully) in use. -- w00t
597 if (InUse->registered != REG_ALL)
599 /* force the camper to their UUID, and ask them to re-send a NICK. */
600 LocalUser* const localuser = static_cast<LocalUser*>(InUse);
601 localuser->OverruleNick();
605 /* No camping, tell the incoming user to stop trying to change nick ;p */
606 this->WriteNumeric(ERR_NICKNAMEINUSE, newnick, "Nickname is already in use.");
611 age = newts ? newts : ServerInstance->Time();
614 if (this->registered == REG_ALL)
616 ClientProtocol::Messages::Nick nickmsg(this, newnick);
617 ClientProtocol::Event nickevent(ServerInstance->GetRFCEvents().nick, nickmsg);
618 this->WriteCommonRaw(nickevent, true);
620 const std::string oldnick = nick;
624 ServerInstance->Users->clientlist.erase(oldnick);
625 ServerInstance->Users->clientlist[newnick] = this;
627 if (registered == REG_ALL)
628 FOREACH_MOD(OnUserPostNick, (this,oldnick));
633 void LocalUser::OverruleNick()
636 ClientProtocol::Messages::Nick nickmsg(this, this->uuid);
637 this->Send(ServerInstance->GetRFCEvents().nick, nickmsg);
639 this->WriteNumeric(ERR_NICKNAMEINUSE, this->nick, "Nickname overruled.");
641 // Clear the bit before calling ChangeNick() to make it NOT run the OnUserPostNick() hook
642 this->registered &= ~REG_NICK;
643 this->ChangeNick(this->uuid);
646 const std::string& User::GetIPString()
648 if (cachedip.empty())
650 cachedip = client_sa.addr();
651 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
652 if (cachedip[0] == ':')
653 cachedip.insert(cachedip.begin(),1,'0');
659 const std::string& User::GetHost(bool uncloak) const
661 return uncloak ? GetRealHost() : GetDisplayedHost();
664 const std::string& User::GetDisplayedHost() const
666 return displayhost.empty() ? realhost : displayhost;
669 const std::string& User::GetRealHost() const
674 const std::string& User::GetRealName() const
679 irc::sockets::cidr_mask User::GetCIDRMask()
681 unsigned char range = 0;
682 switch (client_sa.family())
685 range = ServerInstance->Config->c_ipv6_range;
688 range = ServerInstance->Config->c_ipv4_range;
691 return irc::sockets::cidr_mask(client_sa, range);
694 bool User::SetClientIP(const std::string& address)
696 irc::sockets::sockaddrs sa;
697 if (!irc::sockets::aptosa(address, client_sa.port(), sa))
700 User::SetClientIP(sa);
704 void User::SetClientIP(const irc::sockets::sockaddrs& sa)
706 const std::string oldip(GetIPString());
707 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
708 this->InvalidateCache();
710 // If the users hostname was their IP then update it.
711 if (GetRealHost() == oldip)
712 ChangeRealHost(GetIPString(), false);
713 if (GetDisplayedHost() == oldip)
714 ChangeDisplayedHost(GetIPString());
717 bool LocalUser::SetClientIP(const std::string& address)
719 irc::sockets::sockaddrs sa;
720 if (!irc::sockets::aptosa(address, client_sa.port(), sa))
723 LocalUser::SetClientIP(sa);
727 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa)
732 ServerInstance->Users->RemoveCloneCounts(this);
734 User::SetClientIP(sa);
736 FOREACH_MOD(OnSetUserIP, (this));
738 ServerInstance->Users->AddClone(this);
740 // Recheck the connect class.
741 this->MyClass = NULL;
746 void LocalUser::Write(const ClientProtocol::SerializedMessage& text)
748 if (!SocketEngine::BoundsCheckFd(&eh))
751 if (ServerInstance->Config->RawLog)
756 std::string::size_type nlpos = text.find_first_of("\r\n", 0, 2);
757 if (nlpos == std::string::npos)
758 nlpos = text.length(); // TODO is this ok, test it
760 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %.*s", uuid.c_str(), (int) nlpos, text.c_str());
763 eh.AddWriteBuf(text);
765 const size_t bytessent = text.length() + 2;
766 ServerInstance->stats.Sent += bytessent;
767 this->bytes_out += bytessent;
771 void LocalUser::Send(ClientProtocol::Event& protoev)
775 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "BUG: LocalUser::Send() called on %s who does not have a serializer!",
776 GetFullRealHost().c_str());
780 // In the most common case a static LocalUser field, sendmsglist, is passed to the event to be
781 // populated. The list is cleared before returning.
782 // To handle re-enters, if sendmsglist is non-empty upon entering the method then a temporary
783 // list is used instead of the static one.
784 if (sendmsglist.empty())
786 Send(protoev, sendmsglist);
791 ClientProtocol::MessageList msglist;
792 Send(protoev, msglist);
796 void LocalUser::Send(ClientProtocol::Event& protoev, ClientProtocol::MessageList& msglist)
798 // Modules can personalize the messages sent per user for the event
799 protoev.GetMessagesForUser(this, msglist);
800 for (ClientProtocol::MessageList::const_iterator i = msglist.begin(); i != msglist.end(); ++i)
802 ClientProtocol::Message& curr = **i;
804 FIRST_MOD_RESULT(OnUserWrite, res, (this, curr));
805 if (res != MOD_RES_DENY)
806 Write(serializer->SerializeForUser(this, curr));
810 void User::WriteNumeric(const Numeric::Numeric& numeric)
812 LocalUser* const localuser = IS_LOCAL(this);
816 ModResult MOD_RESULT;
818 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric));
820 if (MOD_RESULT == MOD_RES_DENY)
823 ClientProtocol::Messages::Numeric numericmsg(numeric, localuser);
824 localuser->Send(ServerInstance->GetRFCEvents().numeric, numericmsg);
827 void User::WriteRemoteNotice(const std::string& text)
829 ServerInstance->PI->SendUserNotice(this, text);
832 void LocalUser::WriteRemoteNotice(const std::string& text)
839 class WriteCommonRawHandler : public User::ForEachNeighborHandler
841 ClientProtocol::Event& ev;
843 void Execute(LocalUser* user) CXX11_OVERRIDE
849 WriteCommonRawHandler(ClientProtocol::Event& protoev)
856 void User::WriteCommonRaw(ClientProtocol::Event& protoev, bool include_self)
858 WriteCommonRawHandler handler(protoev);
859 ForEachNeighbor(handler, include_self);
862 void User::ForEachNeighbor(ForEachNeighborHandler& handler, bool include_self)
864 // The basic logic for visiting the neighbors of a user is to iterate the channel list of the user
865 // and visit all users on those channels. Because two users may share more than one common channel,
866 // we must skip users that we have already visited.
867 // To do this, we make use of a global counter and an integral 'already_sent' field in LocalUser.
868 // The global counter is incremented every time we do something for each neighbor of a user. Then,
869 // before visiting a member we examine user->already_sent. If it's equal to the current counter, we
870 // skip the member. Otherwise, we set it to the current counter and visit the member.
872 // Ask modules to build a list of exceptions.
873 // Mods may also exclude entire channels by erasing them from include_chans.
874 IncludeChanList include_chans(chans.begin(), chans.end());
875 std::map<User*, bool> exceptions;
876 exceptions[this] = include_self;
877 FOREACH_MOD(OnBuildNeighborList, (this, include_chans, exceptions));
879 // Get next id, guaranteed to differ from the already_sent field of all users
880 const already_sent_t newid = ServerInstance->Users.NextAlreadySentId();
882 // Handle exceptions first
883 for (std::map<User*, bool>::const_iterator i = exceptions.begin(); i != exceptions.end(); ++i)
885 LocalUser* curr = IS_LOCAL(i->first);
888 // Mark as visited to ensure we won't visit again if there is a common channel
889 curr->already_sent = newid;
890 // Always treat quitting users as excluded
891 if ((i->second) && (!curr->quitting))
892 handler.Execute(curr);
896 // Now consider the real neighbors
897 for (IncludeChanList::const_iterator i = include_chans.begin(); i != include_chans.end(); ++i)
899 Channel* chan = (*i)->chan;
900 const Channel::MemberMap& userlist = chan->GetUsers();
901 for (Channel::MemberMap::const_iterator j = userlist.begin(); j != userlist.end(); ++j)
903 LocalUser* curr = IS_LOCAL(j->first);
904 // User not yet visited?
905 if ((curr) && (curr->already_sent != newid))
907 // Mark as visited and execute function
908 curr->already_sent = newid;
909 handler.Execute(curr);
915 void User::WriteRemoteNumeric(const Numeric::Numeric& numeric)
917 WriteNumeric(numeric);
920 /* return 0 or 1 depending if users u and u2 share one or more common channels
921 * (used by QUIT, NICK etc which arent channel specific notices)
923 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
924 * the first users channels then the second users channels within the outer loop,
925 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
926 * all possible iterations). However this new function instead checks against the
927 * channel's userlist in the inner loop which is a std::map<User*,User*>
928 * and saves us time as we already know what pointer value we are after.
929 * Don't quote me on the maths as i am not a mathematician or computer scientist,
930 * but i believe this algorithm is now x+(log y) maximum iterations instead.
932 bool User::SharesChannelWith(User *other)
935 for (User::ChanList::iterator i = this->chans.begin(); i != this->chans.end(); ++i)
937 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
938 * by replacing it with a map::find which *should* be more efficient
940 if ((*i)->chan->HasUser(other))
946 bool User::ChangeRealName(const std::string& real)
948 if (!this->realname.compare(real))
953 ModResult MOD_RESULT;
954 FIRST_MOD_RESULT(OnPreChangeRealName, MOD_RESULT, (IS_LOCAL(this), real));
955 if (MOD_RESULT == MOD_RES_DENY)
957 FOREACH_MOD(OnChangeRealName, (this, real));
959 this->realname.assign(real, 0, ServerInstance->Config->Limits.MaxReal);
964 bool User::ChangeDisplayedHost(const std::string& shost)
966 if (GetDisplayedHost() == shost)
969 LocalUser* luser = IS_LOCAL(this);
972 ModResult MOD_RESULT;
973 FIRST_MOD_RESULT(OnPreChangeHost, MOD_RESULT, (luser, shost));
974 if (MOD_RESULT == MOD_RES_DENY)
978 FOREACH_MOD(OnChangeHost, (this,shost));
980 if (realhost == shost)
981 this->displayhost.clear();
983 this->displayhost.assign(shost, 0, ServerInstance->Config->Limits.MaxHost);
985 this->InvalidateCache();
987 if (IS_LOCAL(this) && this->registered != REG_NONE)
988 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, this->GetDisplayedHost(), "is now your displayed host");
993 void User::ChangeRealHost(const std::string& host, bool resetdisplay)
995 // If the real host is the new host and we are not resetting the
996 // display host then we have nothing to do.
997 const bool changehost = (realhost != host);
998 if (!changehost && !resetdisplay)
1001 // If the displayhost is not set and we are not resetting it then
1002 // we need to copy it to the displayhost field.
1003 if (displayhost.empty() && !resetdisplay)
1004 displayhost = realhost;
1006 // If the displayhost is the new host or we are resetting it then
1007 // we clear its contents to save memory.
1008 else if (displayhost == host || resetdisplay)
1009 displayhost.clear();
1011 // If we are just resetting the display host then we don't need to
1012 // do anything else.
1017 this->InvalidateCache();
1020 bool User::ChangeIdent(const std::string& newident)
1022 if (this->ident == newident)
1025 FOREACH_MOD(OnChangeIdent, (this,newident));
1027 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1028 this->InvalidateCache();
1034 * Sets a user's connection class.
1035 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1036 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1037 * then their ip will be taken as 'priority' anyway, so for example,
1038 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1040 void LocalUser::SetClass(const std::string &explicit_name)
1042 ConnectClass *found = NULL;
1044 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1046 if (!explicit_name.empty())
1048 for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); ++i)
1050 ConnectClass* c = *i;
1052 if (explicit_name == c->name)
1054 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1061 for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); ++i)
1063 ConnectClass* c = *i;
1064 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1066 ModResult MOD_RESULT;
1067 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1068 if (MOD_RESULT == MOD_RES_DENY)
1070 if (MOD_RESULT == MOD_RES_ALLOW)
1072 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1077 if (c->type == CC_NAMED)
1080 bool regdone = (registered != REG_NONE);
1081 if (c->config->getBool("registered", regdone) != regdone)
1084 /* check if host matches.. */
1085 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1086 !InspIRCd::MatchCIDR(this->GetRealHost(), c->GetHost(), NULL))
1088 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1093 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1094 * because we should attempt to find another class if this one doesn't match us. -- w00t
1096 if (c->limit && (c->GetReferenceCount() >= c->limit))
1098 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1102 /* if it requires a port ... */
1103 if (!c->ports.empty())
1105 /* and our port doesn't match, fail. */
1106 if (!c->ports.count(this->server_sa.port()))
1108 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires a different port, skipping");
1113 if (regdone && !c->config->getString("password").empty())
1115 if (!ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1117 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1122 /* we stop at the first class that meets ALL critera. */
1129 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1137 void User::PurgeEmptyChannels()
1139 // firstly decrement the count on each channel
1140 for (User::ChanList::iterator i = this->chans.begin(); i != this->chans.end(); )
1142 Channel* c = (*i)->chan;
1148 void User::WriteNotice(const std::string& text)
1150 LocalUser* const localuser = IS_LOCAL(this);
1154 ClientProtocol::Messages::Privmsg msg(ClientProtocol::Messages::Privmsg::nocopy, ServerInstance->FakeClient, localuser, text, MSG_NOTICE);
1155 localuser->Send(ServerInstance->GetRFCEvents().privmsg, msg);
1158 const std::string& FakeUser::GetFullHost()
1160 if (!ServerInstance->Config->HideServer.empty())
1161 return ServerInstance->Config->HideServer;
1162 return server->GetName();
1165 const std::string& FakeUser::GetFullRealHost()
1167 if (!ServerInstance->Config->HideServer.empty())
1168 return ServerInstance->Config->HideServer;
1169 return server->GetName();
1172 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1173 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1174 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1175 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(ServerInstance->Config->MaxChans),
1176 limit(0), resolvehostnames(true)
1180 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1187 // Connect classes can inherit from each other but this is problematic for modules which can't use
1188 // ConnectClass::Update so we build a hybrid tag containing all of the values set on this class as
1189 // well as the parent class.
1190 ConfigItems* items = NULL;
1191 config = ConfigTag::create(tag->tag, tag->src_name, tag->src_line, items);
1193 const ConfigItems& parentkeys = parent.config->getItems();
1194 for (ConfigItems::const_iterator piter = parentkeys.begin(); piter != parentkeys.end(); ++piter)
1196 // The class name and parent name are not inherited
1197 if (stdalgo::string::equalsci(piter->first, "name") || stdalgo::string::equalsci(piter->first, "parent"))
1200 // Store the item in the config tag. If this item also
1201 // exists in the child it will be overwritten.
1202 (*items)[piter->first] = piter->second;
1205 const ConfigItems& childkeys = tag->getItems();
1206 for (ConfigItems::const_iterator citer = childkeys.begin(); citer != childkeys.end(); ++citer)
1208 // This will overwrite the parent value if present.
1209 (*items)[citer->first] = citer->second;
1213 void ConnectClass::Update(const ConnectClass* src)
1215 config = src->config;
1217 fakelag = src->fakelag;
1219 registration_timeout = src->registration_timeout;
1221 pingtime = src->pingtime;
1222 softsendqmax = src->softsendqmax;
1223 hardsendqmax = src->hardsendqmax;
1224 recvqmax = src->recvqmax;
1225 penaltythreshold = src->penaltythreshold;
1226 commandrate = src->commandrate;
1227 maxlocal = src->maxlocal;
1228 maxglobal = src->maxglobal;
1229 maxconnwarn = src->maxconnwarn;
1230 maxchans = src->maxchans;
1232 resolvehostnames = src->resolvehostnames;