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();
102 const std::string& User::MakeHost()
104 if (!this->cached_makehost.empty())
105 return this->cached_makehost;
107 // XXX: Is there really a need to cache this?
108 this->cached_makehost = ident + "@" + host;
109 return this->cached_makehost;
112 const std::string& User::MakeHostIP()
114 if (!this->cached_hostip.empty())
115 return this->cached_hostip;
117 // XXX: Is there really a need to cache this?
118 this->cached_hostip = ident + "@" + this->GetIPString();
119 return this->cached_hostip;
122 const std::string& User::GetFullHost()
124 if (!this->cached_fullhost.empty())
125 return this->cached_fullhost;
127 // XXX: Is there really a need to cache this?
128 this->cached_fullhost = nick + "!" + ident + "@" + dhost;
129 return this->cached_fullhost;
132 const std::string& User::GetFullRealHost()
134 if (!this->cached_fullrealhost.empty())
135 return this->cached_fullrealhost;
137 // XXX: Is there really a need to cache this?
138 this->cached_fullrealhost = nick + "!" + ident + "@" + host;
139 return this->cached_fullrealhost;
142 bool User::HasModePermission(unsigned char, ModeType)
147 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
152 if (mode < 'A' || mode > ('A' + 64)) return false;
154 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
158 * users on remote servers can completely bypass all permissions based checks.
159 * This prevents desyncs when one server has different type/class tags to another.
160 * That having been said, this does open things up to the possibility of source changes
161 * allowing remote kills, etc - but if they have access to the src, they most likely have
162 * access to the conf - so it's an end to a means either way.
164 bool User::HasPermission(const std::string&)
169 bool LocalUser::HasPermission(const std::string &command)
171 // are they even an oper at all?
177 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
179 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
185 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
190 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
195 this->WriteNotice("You are not an oper");
199 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
203 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
209 this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
214 void UserIOHandler::OnDataReady()
219 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
221 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
222 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
223 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
226 unsigned long sendqmax = ULONG_MAX;
227 if (!user->HasPrivPermission("users/flood/increased-buffers"))
228 sendqmax = user->MyClass->GetSendqSoftMax();
229 unsigned long penaltymax = ULONG_MAX;
230 if (!user->HasPrivPermission("users/flood/no-fakelag"))
231 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
233 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
236 line.reserve(ServerInstance->Config->Limits.MaxLine);
237 std::string::size_type qpos = 0;
238 while (qpos < recvq.length())
240 char c = recvq[qpos++];
251 if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
254 // if we got here, the recvq ran out before we found a newline
257 // just found a newline. Terminate the string, and pull it out of recvq
258 recvq.erase(0, qpos);
260 // TODO should this be moved to when it was inserted in recvq?
261 ServerInstance->stats.Recv += qpos;
262 user->bytes_in += qpos;
265 ServerInstance->Parser.ProcessBuffer(line, user);
269 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
270 ServerInstance->Users->QuitUser(user, "Excess Flood");
273 void UserIOHandler::AddWriteBuf(const std::string &data)
275 if (user->quitting_sendq)
277 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
278 !user->HasPrivPermission("users/flood/increased-buffers"))
280 user->quitting_sendq = true;
281 ServerInstance->GlobalCulls.AddSQItem(user);
285 // We still want to append data to the sendq of a quitting user,
286 // e.g. their ERROR message that says 'closing link'
291 void UserIOHandler::OnError(BufferedSocketError)
293 ServerInstance->Users->QuitUser(user, getError());
296 CullResult User::cull()
299 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
301 if (client_sa.sa.sa_family != AF_UNSPEC)
302 ServerInstance->Users->RemoveCloneCounts(this);
304 return Extensible::cull();
307 CullResult LocalUser::cull()
313 CullResult FakeUser::cull()
315 // Fake users don't quit, they just get culled.
317 // Fake users are not inserted into UserManager::clientlist, they're only in the uuidlist
318 // and they are removed from there by the linking mod when the server splits
322 void User::Oper(OperInfo* info)
324 ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
325 if (this->IsModeSet(opermh))
328 this->SetMode(opermh, true);
330 this->WriteCommand("MODE", "+o");
331 FOREACH_MOD(OnOper, (this, info->name));
333 std::string opername;
334 if (info->oper_block)
335 opername = info->oper_block->getString("name");
339 LocalUser* l = IS_LOCAL(this);
340 std::string vhost = oper->getConfig("vhost");
342 l->ChangeDisplayedHost(vhost.c_str());
343 std::string opClass = oper->getConfig("class");
344 if (!opClass.empty())
345 l->SetClass(opClass);
348 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
349 nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
350 this->WriteNumeric(RPL_YOUAREOPER, ":You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
352 ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
353 ServerInstance->Users->all_opers.push_back(this);
355 // Expand permissions from config for faster lookup
359 FOREACH_MOD(OnPostOper, (this, oper->name, opername));
362 void OperInfo::init()
364 AllowedOperCommands.clear();
365 AllowedPrivs.clear();
366 AllowedUserModes.reset();
367 AllowedChanModes.reset();
368 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
370 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
372 ConfigTag* tag = *iter;
373 std::string mycmd, mypriv;
374 /* Process commands */
375 irc::spacesepstream CommandList(tag->getString("commands"));
376 while (CommandList.GetToken(mycmd))
378 AllowedOperCommands.insert(mycmd);
381 irc::spacesepstream PrivList(tag->getString("privs"));
382 while (PrivList.GetToken(mypriv))
384 AllowedPrivs.insert(mypriv);
387 std::string modes = tag->getString("usermodes");
388 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
392 this->AllowedUserModes.set();
394 else if (*c >= 'A' && *c <= 'z')
396 this->AllowedUserModes[*c - 'A'] = true;
400 modes = tag->getString("chanmodes");
401 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
405 this->AllowedChanModes.set();
407 else if (*c >= 'A' && *c <= 'z')
409 this->AllowedChanModes[*c - 'A'] = true;
421 * unset their oper type (what IS_OPER checks).
422 * note, order is important - this must come before modes as -o attempts
423 * to call UnOper. -- w00t
428 /* Remove all oper only modes from the user when the deoper - Bug #466*/
429 Modes::ChangeList changelist;
430 const ModeParser::ModeHandlerMap& usermodes = ServerInstance->Modes->GetModes(MODETYPE_USER);
431 for (ModeParser::ModeHandlerMap::const_iterator i = usermodes.begin(); i != usermodes.end(); ++i)
433 ModeHandler* mh = i->second;
435 changelist.push_remove(mh);
438 ServerInstance->Modes->Process(this, NULL, this, changelist);
440 // Remove the user from the oper list
441 stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);
443 ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
444 this->SetMode(opermh, false);
448 * Check class restrictions
450 void LocalUser::CheckClass(bool clone_count)
452 ConnectClass* a = this->MyClass;
456 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
459 else if (a->type == CC_DENY)
461 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
464 else if (clone_count)
466 const UserManager::CloneCounts& clonecounts = ServerInstance->Users->GetCloneCounts(this);
467 if ((a->GetMaxLocal()) && (clonecounts.local > a->GetMaxLocal()))
469 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
471 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
474 else if ((a->GetMaxGlobal()) && (clonecounts.global > a->GetMaxGlobal()))
476 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
478 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
483 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
486 bool LocalUser::CheckLines(bool doZline)
488 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
492 for (int n = 0; check[n]; ++n)
494 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
507 void LocalUser::FullConnect()
509 ServerInstance->stats.Connects++;
510 this->idle_lastmsg = ServerInstance->Time();
513 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
514 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
515 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
516 * Don't remove this! -- w00t
526 this->WriteNumeric(RPL_WELCOME, ":Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
527 this->WriteNumeric(RPL_YOURHOSTIS, ":Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH);
528 this->WriteNumeric(RPL_SERVERCREATED, ":This server was created %s %s", __TIME__, __DATE__);
530 const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
531 this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH, modelist.c_str());
533 ServerInstance->ISupport.SendTo(this);
536 if (ServerInstance->Users->unregistered_count)
537 ServerInstance->Users->unregistered_count--;
539 /* Trigger MOTD and LUSERS output, give modules a chance too */
540 ModResult MOD_RESULT;
541 std::string command("LUSERS");
542 std::vector<std::string> parameters;
543 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
545 ServerInstance->Parser.CallHandler(command, parameters, this);
547 MOD_RESULT = MOD_RES_PASSTHRU;
549 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
551 ServerInstance->Parser.CallHandler(command, parameters, this);
553 if (ServerInstance->Config->RawLog)
554 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
557 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
558 * for a user that doesn't exist yet.
560 FOREACH_MOD(OnUserConnect, (this));
562 this->registered = REG_ALL;
564 FOREACH_MOD(OnPostConnect, (this));
566 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
567 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
568 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
569 ServerInstance->BanCache.AddHit(this->GetIPString(), "", "");
570 // reset the flood penalty (which could have been raised due to things like auto +x)
571 CommandFloodPenalty = 0;
574 void User::InvalidateCache()
576 /* Invalidate cache */
577 cached_fullhost.clear();
578 cached_hostip.clear();
579 cached_makehost.clear();
580 cached_fullrealhost.clear();
583 bool User::ChangeNick(const std::string& newnick, time_t newts)
587 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
591 User* const InUse = ServerInstance->FindNickOnly(newnick);
594 // case change, don't need to check campers
595 // and, if it's identical including case, we can leave right now
596 // We also don't update the nick TS if it's a case change, either
603 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
604 * then we have a potential collide. Check whether someone else is camping on the nick
605 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
606 * camper to their UID, and allow the incoming nick change.
608 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
609 * because the nick is already (rightfully) in use. -- w00t
613 if (InUse->registered != REG_ALL)
615 /* force the camper to their UUID, and ask them to re-send a NICK. */
616 InUse->WriteFrom(InUse, "NICK %s", InUse->uuid.c_str());
617 InUse->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", InUse->nick.c_str());
619 InUse->registered &= ~REG_NICK;
620 InUse->ChangeNick(InUse->uuid);
624 /* No camping, tell the incoming user to stop trying to change nick ;p */
625 this->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str());
630 age = newts ? newts : ServerInstance->Time();
633 if (this->registered == REG_ALL)
634 this->WriteCommon("NICK %s",newnick.c_str());
635 std::string oldnick = nick;
639 ServerInstance->Users->clientlist.erase(oldnick);
640 ServerInstance->Users->clientlist[newnick] = this;
642 if (registered == REG_ALL)
643 FOREACH_MOD(OnUserPostNick, (this,oldnick));
648 int LocalUser::GetServerPort()
650 switch (this->server_sa.sa.sa_family)
653 return htons(this->server_sa.in6.sin6_port);
655 return htons(this->server_sa.in4.sin_port);
660 const std::string& User::GetIPString()
663 if (cachedip.empty())
665 irc::sockets::satoap(client_sa, cachedip, port);
666 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
667 if (cachedip[0] == ':')
668 cachedip.insert(cachedip.begin(),1,'0');
674 irc::sockets::cidr_mask User::GetCIDRMask()
677 switch (client_sa.sa.sa_family)
680 range = ServerInstance->Config->c_ipv6_range;
683 range = ServerInstance->Config->c_ipv4_range;
686 return irc::sockets::cidr_mask(client_sa, range);
689 bool User::SetClientIP(const char* sip, bool recheck_eline)
692 cached_hostip.clear();
693 return irc::sockets::aptosa(sip, 0, client_sa);
696 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
699 cached_hostip.clear();
700 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
703 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
705 irc::sockets::sockaddrs sa;
706 if (!irc::sockets::aptosa(sip, 0, sa))
710 LocalUser::SetClientIP(sa, recheck_eline);
714 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
718 User::SetClientIP(sa);
720 this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
722 FOREACH_MOD(OnSetUserIP, (this));
726 static std::string wide_newline("\r\n");
728 void User::Write(const std::string& text)
732 void User::Write(const char *text, ...)
736 void LocalUser::Write(const std::string& text)
738 if (!SocketEngine::BoundsCheckFd(&eh))
741 if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
743 // this should happen rarely or never. Crop the string at 512 and try again.
744 std::string try_again(text, 0, ServerInstance->Config->Limits.MaxLine - 2);
749 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
751 eh.AddWriteBuf(text);
752 eh.AddWriteBuf(wide_newline);
754 ServerInstance->stats.Sent += text.length() + 2;
755 this->bytes_out += text.length() + 2;
761 void LocalUser::Write(const char *text, ...)
763 std::string textbuffer;
764 VAFORMAT(textbuffer, text, text);
765 this->Write(textbuffer);
768 void User::WriteServ(const std::string& text)
770 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
774 * Same as Write(), except `text' is prefixed with `:server.name '.
776 void User::WriteServ(const char* text, ...)
778 std::string textbuffer;
779 VAFORMAT(textbuffer, text, text);
780 this->WriteServ(textbuffer);
783 void User::WriteCommand(const char* command, const std::string& text)
785 this->WriteServ(command + (this->registered & REG_NICK ? " " + this->nick : " *") + " " + text);
788 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
790 std::string textbuffer;
791 VAFORMAT(textbuffer, text, text);
792 this->WriteNumeric(numeric, textbuffer);
795 void User::WriteNumeric(unsigned int numeric, const std::string &text)
797 ModResult MOD_RESULT;
799 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
801 if (MOD_RESULT == MOD_RES_DENY)
804 const std::string message = InspIRCd::Format(":%s %03u %s %s", ServerInstance->Config->ServerName.c_str(),
805 numeric, this->registered & REG_NICK ? this->nick.c_str() : "*", text.c_str());
806 this->Write(message);
809 void User::WriteFrom(User *user, const std::string &text)
811 const std::string message = ":" + user->GetFullHost() + " " + text;
812 this->Write(message);
816 /* write text from an originating user to originating user */
818 void User::WriteFrom(User *user, const char* text, ...)
820 std::string textbuffer;
821 VAFORMAT(textbuffer, text, text);
822 this->WriteFrom(user, textbuffer);
827 class WriteCommonRawHandler : public User::ForEachNeighborHandler
829 const std::string& msg;
831 void Execute(LocalUser* user) CXX11_OVERRIDE
837 WriteCommonRawHandler(const std::string& message)
844 void User::WriteCommon(const char* text, ...)
846 std::string textbuffer;
847 VAFORMAT(textbuffer, text, text);
848 textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
849 this->WriteCommonRaw(textbuffer, true);
852 void User::WriteCommonRaw(const std::string &line, bool include_self)
854 WriteCommonRawHandler handler(line);
855 ForEachNeighbor(handler, include_self);
858 void User::ForEachNeighbor(ForEachNeighborHandler& handler, bool include_self)
860 // The basic logic for visiting the neighbors of a user is to iterate the channel list of the user
861 // and visit all users on those channels. Because two users may share more than one common channel,
862 // we must skip users that we have already visited.
863 // To do this, we make use of a global counter and an integral 'already_sent' field in LocalUser.
864 // The global counter is incremented every time we do something for each neighbor of a user. Then,
865 // before visiting a member we examine user->already_sent. If it's equal to the current counter, we
866 // skip the member. Otherwise, we set it to the current counter and visit the member.
868 // Ask modules to build a list of exceptions.
869 // Mods may also exclude entire channels by erasing them from include_chans.
870 IncludeChanList include_chans(chans.begin(), chans.end());
871 std::map<User*, bool> exceptions;
872 exceptions[this] = include_self;
873 FOREACH_MOD(OnBuildNeighborList, (this, include_chans, exceptions));
875 // Get next id, guaranteed to differ from the already_sent field of all users
876 const already_sent_t newid = ++LocalUser::already_sent_id;
878 // Handle exceptions first
879 for (std::map<User*, bool>::const_iterator i = exceptions.begin(); i != exceptions.end(); ++i)
881 LocalUser* curr = IS_LOCAL(i->first);
884 // Mark as visited to ensure we won't visit again if there is a common channel
885 curr->already_sent = newid;
886 // Always treat quitting users as excluded
887 if ((i->second) && (!curr->quitting))
888 handler.Execute(curr);
892 // Now consider the real neighbors
893 for (IncludeChanList::const_iterator i = include_chans.begin(); i != include_chans.end(); ++i)
895 Channel* chan = (*i)->chan;
896 const Channel::MemberMap& userlist = chan->GetUsers();
897 for (Channel::MemberMap::const_iterator j = userlist.begin(); j != userlist.end(); ++j)
899 LocalUser* curr = IS_LOCAL(j->first);
900 // User not yet visited?
901 if ((curr) && (curr->already_sent != newid))
903 // Mark as visited and execute function
904 curr->already_sent = newid;
905 handler.Execute(curr);
911 void LocalUser::SendText(const std::string& line)
916 void RemoteUser::SendText(const std::string& line)
918 ServerInstance->PI->PushToClient(this, line);
921 void FakeUser::SendText(const std::string& line)
925 void User::SendText(const char *text, ...)
928 VAFORMAT(line, text, text);
932 void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
936 while (textStream >> word)
938 size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
939 if (lineLength > ServerInstance->Config->Limits.MaxLine)
941 SendText(linePrefix + line);
946 SendText(linePrefix + line);
949 /* return 0 or 1 depending if users u and u2 share one or more common channels
950 * (used by QUIT, NICK etc which arent channel specific notices)
952 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
953 * the first users channels then the second users channels within the outer loop,
954 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
955 * all possible iterations). However this new function instead checks against the
956 * channel's userlist in the inner loop which is a std::map<User*,User*>
957 * and saves us time as we already know what pointer value we are after.
958 * Don't quote me on the maths as i am not a mathematician or computer scientist,
959 * but i believe this algorithm is now x+(log y) maximum iterations instead.
961 bool User::SharesChannelWith(User *other)
964 for (User::ChanList::iterator i = this->chans.begin(); i != this->chans.end(); ++i)
966 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
967 * by replacing it with a map::find which *should* be more efficient
969 if ((*i)->chan->HasUser(other))
975 bool User::ChangeName(const std::string& gecos)
977 if (!this->fullname.compare(gecos))
982 ModResult MOD_RESULT;
983 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
984 if (MOD_RESULT == MOD_RES_DENY)
986 FOREACH_MOD(OnChangeName, (this,gecos));
988 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
993 bool User::ChangeDisplayedHost(const std::string& shost)
1000 ModResult MOD_RESULT;
1001 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1002 if (MOD_RESULT == MOD_RES_DENY)
1006 FOREACH_MOD(OnChangeHost, (this,shost));
1008 this->dhost.assign(shost, 0, ServerInstance->Config->Limits.MaxHost);
1009 this->InvalidateCache();
1012 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str());
1017 bool User::ChangeIdent(const std::string& newident)
1019 if (this->ident == newident)
1022 FOREACH_MOD(OnChangeIdent, (this,newident));
1024 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1025 this->InvalidateCache();
1031 * Sets a user's connection class.
1032 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1033 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1034 * then their ip will be taken as 'priority' anyway, so for example,
1035 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1037 void LocalUser::SetClass(const std::string &explicit_name)
1039 ConnectClass *found = NULL;
1041 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1043 if (!explicit_name.empty())
1045 for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); ++i)
1047 ConnectClass* c = *i;
1049 if (explicit_name == c->name)
1051 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1058 for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); ++i)
1060 ConnectClass* c = *i;
1061 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1063 ModResult MOD_RESULT;
1064 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1065 if (MOD_RESULT == MOD_RES_DENY)
1067 if (MOD_RESULT == MOD_RES_ALLOW)
1069 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1074 if (c->type == CC_NAMED)
1077 bool regdone = (registered != REG_NONE);
1078 if (c->config->getBool("registered", regdone) != regdone)
1081 /* check if host matches.. */
1082 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1083 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1085 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1090 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1091 * because we should attempt to find another class if this one doesn't match us. -- w00t
1093 if (c->limit && (c->GetReferenceCount() >= c->limit))
1095 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1099 /* if it requires a port ... */
1100 int port = c->config->getInt("port");
1103 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1105 /* and our port doesn't match, fail. */
1106 if (this->GetServerPort() != port)
1110 if (regdone && !c->config->getString("password").empty())
1112 if (!ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1114 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1119 /* we stop at the first class that meets ALL critera. */
1126 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1134 void User::PurgeEmptyChannels()
1136 // firstly decrement the count on each channel
1137 for (User::ChanList::iterator i = this->chans.begin(); i != this->chans.end(); )
1139 Channel* c = (*i)->chan;
1147 const std::string& FakeUser::GetFullHost()
1149 if (!ServerInstance->Config->HideWhoisServer.empty())
1150 return ServerInstance->Config->HideWhoisServer;
1151 return server->GetName();
1154 const std::string& FakeUser::GetFullRealHost()
1156 if (!ServerInstance->Config->HideWhoisServer.empty())
1157 return ServerInstance->Config->HideWhoisServer;
1158 return server->GetName();
1161 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1162 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1163 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1164 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(ServerInstance->Config->MaxChans),
1165 limit(0), resolvehostnames(true)
1169 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1170 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1171 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1172 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1173 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1174 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1175 limit(parent.limit), resolvehostnames(parent.resolvehostnames)
1179 void ConnectClass::Update(const ConnectClass* src)
1181 config = src->config;
1183 fakelag = src->fakelag;
1185 registration_timeout = src->registration_timeout;
1187 pingtime = src->pingtime;
1188 softsendqmax = src->softsendqmax;
1189 hardsendqmax = src->hardsendqmax;
1190 recvqmax = src->recvqmax;
1191 penaltythreshold = src->penaltythreshold;
1192 commandrate = src->commandrate;
1193 maxlocal = src->maxlocal;
1194 maxglobal = src->maxglobal;
1195 maxconnwarn = src->maxconnwarn;
1196 maxchans = src->maxchans;
1198 resolvehostnames = src->resolvehostnames;