2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2006-2009 Robin Burchell <robin+git@viroteck.net>
6 * Copyright (C) 2006-2007, 2009 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2008 John Brooks <john.brooks@dereferenced.net>
8 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
9 * Copyright (C) 2008 Oliver Lupton <oliverlupton@gmail.com>
10 * Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
12 * This file is part of InspIRCd. InspIRCd is free software: you can
13 * redistribute it and/or modify it under the terms of the GNU General Public
14 * License as published by the Free Software Foundation, version 2.
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include "socketengine.h"
32 already_sent_t LocalUser::already_sent_id = 0;
34 std::string User::ProcessNoticeMasks(const char *sm)
36 bool adding = true, oldadding = false;
51 for (unsigned char d = 'a'; d <= 'z'; d++)
53 if (!ServerInstance->SNO->masks[d - 'a'].Description.empty())
55 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
57 if ((oldadding != adding) || (!output.length()))
58 output += (adding ? '+' : '-');
60 this->SetNoticeMask(d, adding);
66 if ((!IsNoticeMaskSet(u) && adding) || (IsNoticeMaskSet(u) && !adding))
68 if ((oldadding != adding) || (!output.length()))
69 output += (adding ? '+' : '-');
71 this->SetNoticeMask(u, adding);
82 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
84 if ((oldadding != adding) || (!output.length()))
85 output += (adding ? '+' : '-');
87 this->SetNoticeMask(*c, adding);
93 this->WriteNumeric(ERR_UNKNOWNSNOMASK, "%s %c :is unknown snomask char to me", this->nick.c_str(), *c);
102 std::string s = this->FormatNoticeMasks();
105 this->modes[UM_SNOMASK] = false;
111 bool User::IsNoticeMaskSet(unsigned char sm)
115 return (snomasks[sm-65]);
118 void User::SetNoticeMask(unsigned char sm, bool value)
122 snomasks[sm-65] = value;
125 std::string User::FormatNoticeMasks()
129 for (unsigned char n = 0; n < 64; n++)
132 data.push_back(n + 65);
138 bool User::IsModeSet(unsigned char m)
142 return (modes[m-65]);
145 void User::SetMode(unsigned char m, bool value)
152 const char* User::FormatModes(bool showparameters)
154 static std::string data;
158 for (unsigned char n = 0; n < 64; n++)
162 data.push_back(n + 65);
163 ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
164 if (showparameters && mh && mh->GetNumParams(true))
166 std::string p = mh->GetUserParameter(this);
168 params.append(" ").append(p);
176 User::User(const std::string &uid, const std::string& sid, int type)
177 : uuid(uid), server(sid), usertype(type)
179 age = ServerInstance->Time();
182 quietquit = quitting = false;
183 client_sa.sa.sa_family = AF_UNSPEC;
185 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
187 user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid);
188 if (finduuid == ServerInstance->Users->uuidlist->end())
189 (*ServerInstance->Users->uuidlist)[uuid] = this;
191 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
194 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
195 : User(ServerInstance->UIDGen.GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
196 localuseriter(ServerInstance->Users->local_users.end()),
197 bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
200 exempt = quitting_sendq = false;
205 memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
206 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
207 dhost = host = GetIPString();
212 if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
213 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str());
216 const std::string& User::MakeHost()
218 if (!this->cached_makehost.empty())
219 return this->cached_makehost;
221 // XXX: Is there really a need to cache this?
222 this->cached_makehost = ident + "@" + host;
223 return this->cached_makehost;
226 const std::string& User::MakeHostIP()
228 if (!this->cached_hostip.empty())
229 return this->cached_hostip;
231 // XXX: Is there really a need to cache this?
232 this->cached_hostip = ident + "@" + this->GetIPString();
233 return this->cached_hostip;
236 const std::string& User::GetFullHost()
238 if (!this->cached_fullhost.empty())
239 return this->cached_fullhost;
241 // XXX: Is there really a need to cache this?
242 this->cached_fullhost = nick + "!" + ident + "@" + dhost;
243 return this->cached_fullhost;
246 const std::string& User::GetFullRealHost()
248 if (!this->cached_fullrealhost.empty())
249 return this->cached_fullrealhost;
251 // XXX: Is there really a need to cache this?
252 this->cached_fullrealhost = nick + "!" + ident + "@" + host;
253 return this->cached_fullrealhost;
256 InviteList& LocalUser::GetInviteList()
258 RemoveExpiredInvites();
262 bool LocalUser::RemoveInvite(Channel* chan)
264 Invitation* inv = Invitation::Find(chan, this);
274 void LocalUser::RemoveExpiredInvites()
276 Invitation::Find(NULL, this);
279 bool User::HasModePermission(unsigned char, ModeType)
284 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
289 if (mode < 'A' || mode > ('A' + 64)) return false;
291 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
295 * users on remote servers can completely bypass all permissions based checks.
296 * This prevents desyncs when one server has different type/class tags to another.
297 * That having been said, this does open things up to the possibility of source changes
298 * allowing remote kills, etc - but if they have access to the src, they most likely have
299 * access to the conf - so it's an end to a means either way.
301 bool User::HasPermission(const std::string&)
306 bool LocalUser::HasPermission(const std::string &command)
308 // are they even an oper at all?
314 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
316 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
322 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
327 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
332 this->WriteNotice("You are not an oper");
336 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
340 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
346 this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
351 void UserIOHandler::OnDataReady()
356 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
358 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
359 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
360 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
363 unsigned long sendqmax = ULONG_MAX;
364 if (!user->HasPrivPermission("users/flood/increased-buffers"))
365 sendqmax = user->MyClass->GetSendqSoftMax();
366 unsigned long penaltymax = ULONG_MAX;
367 if (!user->HasPrivPermission("users/flood/no-fakelag"))
368 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
370 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
373 line.reserve(ServerInstance->Config->Limits.MaxLine);
374 std::string::size_type qpos = 0;
375 while (qpos < recvq.length())
377 char c = recvq[qpos++];
388 if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
391 // if we got here, the recvq ran out before we found a newline
394 // just found a newline. Terminate the string, and pull it out of recvq
395 recvq = recvq.substr(qpos);
397 // TODO should this be moved to when it was inserted in recvq?
398 ServerInstance->stats->statsRecv += qpos;
399 user->bytes_in += qpos;
402 ServerInstance->Parser->ProcessBuffer(line, user);
406 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
407 ServerInstance->Users->QuitUser(user, "Excess Flood");
410 void UserIOHandler::AddWriteBuf(const std::string &data)
412 if (user->quitting_sendq)
414 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
415 !user->HasPrivPermission("users/flood/increased-buffers"))
417 user->quitting_sendq = true;
418 ServerInstance->GlobalCulls.AddSQItem(user);
422 // We still want to append data to the sendq of a quitting user,
423 // e.g. their ERROR message that says 'closing link'
428 void UserIOHandler::OnError(BufferedSocketError)
430 ServerInstance->Users->QuitUser(user, getError());
433 CullResult User::cull()
436 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
437 PurgeEmptyChannels();
439 if (client_sa.sa.sa_family != AF_UNSPEC)
440 ServerInstance->Users->RemoveCloneCounts(this);
442 return Extensible::cull();
445 CullResult LocalUser::cull()
447 // The iterator is initialized to local_users.end() in the constructor. It is
448 // overwritten in UserManager::AddUser() with the real iterator so this check
449 // is only a precaution currently.
450 if (localuseriter != ServerInstance->Users->local_users.end())
452 ServerInstance->Users->local_count--;
453 ServerInstance->Users->local_users.erase(localuseriter);
456 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: LocalUserIter does not point to a valid entry for " + this->nick);
463 CullResult FakeUser::cull()
465 // Fake users don't quit, they just get culled.
467 ServerInstance->Users->clientlist->erase(nick);
468 ServerInstance->Users->uuidlist->erase(uuid);
472 void User::Oper(OperInfo* info)
474 if (this->IsModeSet('o'))
477 this->modes[UM_OPERATOR] = 1;
479 this->WriteServ("MODE %s :+o", this->nick.c_str());
480 FOREACH_MOD(I_OnOper, OnOper(this, info->name));
482 std::string opername;
483 if (info->oper_block)
484 opername = info->oper_block->getString("name");
488 LocalUser* l = IS_LOCAL(this);
489 std::string vhost = oper->getConfig("vhost");
491 l->ChangeDisplayedHost(vhost.c_str());
492 std::string opClass = oper->getConfig("class");
493 if (!opClass.empty())
494 l->SetClass(opClass);
497 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
498 nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
499 this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
501 ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
502 ServerInstance->Users->all_opers.push_back(this);
504 // Expand permissions from config for faster lookup
508 FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
511 void OperInfo::init()
513 AllowedOperCommands.clear();
514 AllowedPrivs.clear();
515 AllowedUserModes.reset();
516 AllowedChanModes.reset();
517 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
519 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
521 ConfigTag* tag = *iter;
522 std::string mycmd, mypriv;
523 /* Process commands */
524 irc::spacesepstream CommandList(tag->getString("commands"));
525 while (CommandList.GetToken(mycmd))
527 AllowedOperCommands.insert(mycmd);
530 irc::spacesepstream PrivList(tag->getString("privs"));
531 while (PrivList.GetToken(mypriv))
533 AllowedPrivs.insert(mypriv);
536 std::string modes = tag->getString("usermodes");
537 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
541 this->AllowedUserModes.set();
543 else if (*c >= 'A' && *c < 'z')
545 this->AllowedUserModes[*c - 'A'] = true;
549 modes = tag->getString("chanmodes");
550 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
554 this->AllowedChanModes.set();
556 else if (*c >= 'A' && *c < 'z')
558 this->AllowedChanModes[*c - 'A'] = true;
570 * unset their oper type (what IS_OPER checks).
571 * note, order is important - this must come before modes as -o attempts
572 * to call UnOper. -- w00t
577 /* Remove all oper only modes from the user when the deoper - Bug #466*/
578 std::string moderemove("-");
580 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
582 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
583 if (mh && mh->NeedsOper())
584 moderemove += letter;
588 std::vector<std::string> parameters;
589 parameters.push_back(this->nick);
590 parameters.push_back(moderemove);
592 ServerInstance->Parser->CallHandler("MODE", parameters, this);
594 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
595 ServerInstance->Users->all_opers.remove(this);
597 this->modes[UM_OPERATOR] = 0;
601 * Check class restrictions
603 void LocalUser::CheckClass()
605 ConnectClass* a = this->MyClass;
609 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
612 else if (a->type == CC_DENY)
614 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
617 else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
619 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
621 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
624 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
626 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
628 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
632 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
635 bool LocalUser::CheckLines(bool doZline)
637 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
641 for (int n = 0; check[n]; ++n)
643 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
656 void LocalUser::FullConnect()
658 ServerInstance->stats->statsConnects++;
659 this->idle_lastmsg = ServerInstance->Time();
662 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
663 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
664 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
665 * Don't remove this! -- w00t
675 this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
676 this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH);
677 this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
679 const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
680 this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), BRANCH, modelist.c_str());
682 ServerInstance->ISupport.SendTo(this);
683 this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
686 if (ServerInstance->Users->unregistered_count)
687 ServerInstance->Users->unregistered_count--;
689 /* Trigger MOTD and LUSERS output, give modules a chance too */
690 ModResult MOD_RESULT;
691 std::string command("LUSERS");
692 std::vector<std::string> parameters;
693 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
695 ServerInstance->Parser->CallHandler(command, parameters, this);
697 MOD_RESULT = MOD_RES_PASSTHRU;
699 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
701 ServerInstance->Parser->CallHandler(command, parameters, this);
703 if (ServerInstance->Config->RawLog)
704 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
707 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
708 * for a user that doesn't exist yet.
710 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
712 this->registered = REG_ALL;
714 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
716 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
717 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
718 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
719 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
720 // reset the flood penalty (which could have been raised due to things like auto +x)
721 CommandFloodPenalty = 0;
724 void User::InvalidateCache()
726 /* Invalidate cache */
727 cached_fullhost.clear();
728 cached_hostip.clear();
729 cached_makehost.clear();
730 cached_fullrealhost.clear();
733 bool User::ChangeNick(const std::string& newnick, bool force)
737 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
743 ModResult MOD_RESULT;
744 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
746 if (MOD_RESULT == MOD_RES_DENY)
748 ServerInstance->stats->statsCollisions++;
753 if (assign(newnick) == assign(nick))
755 // case change, don't need to check Q:lines and such
756 // and, if it's identical including case, we can leave right now
763 * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
764 * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
765 * Thanks Kein for finding this. -- w00t
767 * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
770 if (IS_LOCAL(this) && !force)
772 XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
775 if (this->registered == REG_ALL)
777 ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
778 newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
780 this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
784 if (ServerInstance->Config->RestrictBannedUsers)
786 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
789 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
791 this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
799 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
800 * then we have a potential collide. Check whether someone else is camping on the nick
801 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
802 * camper to their UID, and allow the incoming nick change.
804 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
805 * because the nick is already (rightfully) in use. -- w00t
807 User* InUse = ServerInstance->FindNickOnly(newnick);
808 if (InUse && (InUse != this))
810 if (InUse->registered != REG_ALL)
812 /* force the camper to their UUID, and ask them to re-send a NICK. */
813 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
814 InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
816 ServerInstance->Users->clientlist->erase(InUse->nick);
817 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
819 InUse->nick = InUse->uuid;
820 InUse->InvalidateCache();
821 InUse->registered &= ~REG_NICK;
825 /* No camping, tell the incoming user to stop trying to change nick ;p */
826 this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
832 if (this->registered == REG_ALL)
833 this->WriteCommon("NICK %s",newnick.c_str());
834 std::string oldnick = nick;
838 ServerInstance->Users->clientlist->erase(oldnick);
839 (*(ServerInstance->Users->clientlist))[newnick] = this;
841 if (registered == REG_ALL)
842 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
847 int LocalUser::GetServerPort()
849 switch (this->server_sa.sa.sa_family)
852 return htons(this->server_sa.in6.sin6_port);
854 return htons(this->server_sa.in4.sin_port);
859 const std::string& User::GetIPString()
862 if (cachedip.empty())
864 irc::sockets::satoap(client_sa, cachedip, port);
865 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
866 if (cachedip[0] == ':')
867 cachedip.insert(0,1,'0');
873 irc::sockets::cidr_mask User::GetCIDRMask()
876 switch (client_sa.sa.sa_family)
879 range = ServerInstance->Config->c_ipv6_range;
882 range = ServerInstance->Config->c_ipv4_range;
885 return irc::sockets::cidr_mask(client_sa, range);
888 bool User::SetClientIP(const char* sip, bool recheck_eline)
891 cached_hostip.clear();
892 return irc::sockets::aptosa(sip, 0, client_sa);
895 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
898 cached_hostip.clear();
899 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
902 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
904 irc::sockets::sockaddrs sa;
905 if (!irc::sockets::aptosa(sip, 0, sa))
909 LocalUser::SetClientIP(sa, recheck_eline);
913 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
917 User::SetClientIP(sa);
919 this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
921 FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(this));
925 static std::string wide_newline("\r\n");
927 void User::Write(const std::string& text)
931 void User::Write(const char *text, ...)
935 void LocalUser::Write(const std::string& text)
937 if (!ServerInstance->SE->BoundsCheckFd(&eh))
940 if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
942 // this should happen rarely or never. Crop the string at 512 and try again.
943 std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
948 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
950 eh.AddWriteBuf(text);
951 eh.AddWriteBuf(wide_newline);
953 ServerInstance->stats->statsSent += text.length() + 2;
954 this->bytes_out += text.length() + 2;
960 void LocalUser::Write(const char *text, ...)
962 std::string textbuffer;
963 VAFORMAT(textbuffer, text, text);
964 this->Write(textbuffer);
967 void User::WriteServ(const std::string& text)
969 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
973 * Same as Write(), except `text' is prefixed with `:server.name '.
975 void User::WriteServ(const char* text, ...)
977 std::string textbuffer;
978 VAFORMAT(textbuffer, text, text);
979 this->WriteServ(textbuffer);
982 void User::WriteNotice(const std::string& text)
984 this->WriteServ("NOTICE " + (this->registered == REG_ALL ? this->nick : "*") + " :" + text);
987 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
989 std::string textbuffer;
990 VAFORMAT(textbuffer, text, text);
991 this->WriteNumeric(numeric, textbuffer);
994 void User::WriteNumeric(unsigned int numeric, const std::string &text)
996 ModResult MOD_RESULT;
998 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
1000 if (MOD_RESULT == MOD_RES_DENY)
1003 const std::string message = InspIRCd::Format(":%s %03u %s", ServerInstance->Config->ServerName.c_str(),
1004 numeric, text.c_str());
1005 this->Write(message);
1008 void User::WriteFrom(User *user, const std::string &text)
1010 const std::string message = ":" + user->GetFullHost() + " " + text;
1011 this->Write(message);
1015 /* write text from an originating user to originating user */
1017 void User::WriteFrom(User *user, const char* text, ...)
1019 std::string textbuffer;
1020 VAFORMAT(textbuffer, text, text);
1021 this->WriteFrom(user, textbuffer);
1025 /* write text to an destination user from a source user (e.g. user privmsg) */
1027 void User::WriteTo(User *dest, const char *data, ...)
1029 std::string textbuffer;
1030 VAFORMAT(textbuffer, data, data);
1031 this->WriteTo(dest, textbuffer);
1034 void User::WriteTo(User *dest, const std::string &data)
1036 dest->WriteFrom(this, data);
1039 void User::WriteCommon(const char* text, ...)
1041 if (this->registered != REG_ALL || quitting)
1044 std::string textbuffer;
1045 VAFORMAT(textbuffer, text, text);
1046 textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
1047 this->WriteCommonRaw(textbuffer, true);
1050 void User::WriteCommonExcept(const char* text, ...)
1052 if (this->registered != REG_ALL || quitting)
1055 std::string textbuffer;
1056 VAFORMAT(textbuffer, text, text);
1057 textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
1058 this->WriteCommonRaw(textbuffer, false);
1061 void User::WriteCommonRaw(const std::string &line, bool include_self)
1063 if (this->registered != REG_ALL || quitting)
1066 LocalUser::already_sent_id++;
1068 UserChanList include_c(chans);
1069 std::map<User*,bool> exceptions;
1071 exceptions[this] = include_self;
1073 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1075 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1077 LocalUser* u = IS_LOCAL(i->first);
1078 if (u && !u->quitting)
1080 u->already_sent = LocalUser::already_sent_id;
1085 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1088 const UserMembList* ulist = c->GetUsers();
1089 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1091 LocalUser* u = IS_LOCAL(i->first);
1092 if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
1094 u->already_sent = LocalUser::already_sent_id;
1101 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1103 if (this->registered != REG_ALL)
1106 already_sent_t uniq_id = ++LocalUser::already_sent_id;
1108 const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
1109 const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
1111 UserChanList include_c(chans);
1112 std::map<User*,bool> exceptions;
1114 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1116 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1118 LocalUser* u = IS_LOCAL(i->first);
1119 if (u && !u->quitting)
1121 u->already_sent = uniq_id;
1123 u->Write(u->IsOper() ? operMessage : normalMessage);
1126 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1128 const UserMembList* ulist = (*v)->GetUsers();
1129 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1131 LocalUser* u = IS_LOCAL(i->first);
1132 if (u && !u->quitting && (u->already_sent != uniq_id))
1134 u->already_sent = uniq_id;
1135 u->Write(u->IsOper() ? operMessage : normalMessage);
1141 void LocalUser::SendText(const std::string& line)
1146 void RemoteUser::SendText(const std::string& line)
1148 ServerInstance->PI->PushToClient(this, line);
1151 void FakeUser::SendText(const std::string& line)
1155 void User::SendText(const char *text, ...)
1158 VAFORMAT(line, text, text);
1162 void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
1166 while (textStream >> word)
1168 size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
1169 if (lineLength > ServerInstance->Config->Limits.MaxLine)
1171 SendText(linePrefix + line);
1176 SendText(linePrefix + line);
1179 /* return 0 or 1 depending if users u and u2 share one or more common channels
1180 * (used by QUIT, NICK etc which arent channel specific notices)
1182 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1183 * the first users channels then the second users channels within the outer loop,
1184 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1185 * all possible iterations). However this new function instead checks against the
1186 * channel's userlist in the inner loop which is a std::map<User*,User*>
1187 * and saves us time as we already know what pointer value we are after.
1188 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1189 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1191 bool User::SharesChannelWith(User *other)
1193 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1197 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1199 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1200 * by replacing it with a map::find which *should* be more efficient
1202 if ((*i)->HasUser(other))
1208 bool User::ChangeName(const char* gecos)
1210 if (!this->fullname.compare(gecos))
1215 ModResult MOD_RESULT;
1216 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1217 if (MOD_RESULT == MOD_RES_DENY)
1219 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1221 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1226 void User::DoHostCycle(const std::string &quitline)
1228 if (!ServerInstance->Config->CycleHosts)
1231 already_sent_t silent_id = ++LocalUser::already_sent_id;
1232 already_sent_t seen_id = ++LocalUser::already_sent_id;
1234 UserChanList include_c(chans);
1235 std::map<User*,bool> exceptions;
1237 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1239 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1241 LocalUser* u = IS_LOCAL(i->first);
1242 if (u && !u->quitting)
1246 u->already_sent = seen_id;
1251 u->already_sent = silent_id;
1255 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1258 Membership* memb = c->GetUser(this);
1259 const std::string joinline = ":" + GetFullHost() + " JOIN " + c->name;
1260 std::string modeline;
1262 if (!memb->modes.empty())
1264 modeline = ":" + (ServerInstance->Config->CycleHostsFromUser ? GetFullHost() : ServerInstance->Config->ServerName)
1265 + " MODE " + c->name + " +" + memb->modes;
1267 for (size_t i = 0; i < memb->modes.length(); i++)
1268 modeline.append(" ").append(nick);
1271 const UserMembList *ulist = c->GetUsers();
1272 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1274 LocalUser* u = IS_LOCAL(i->first);
1275 if (u == NULL || u == this)
1277 if (u->already_sent == silent_id)
1280 if (u->already_sent != seen_id)
1283 u->already_sent = seen_id;
1286 if (!memb->modes.empty())
1292 bool User::ChangeDisplayedHost(const char* shost)
1299 ModResult MOD_RESULT;
1300 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1301 if (MOD_RESULT == MOD_RES_DENY)
1305 FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1307 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
1309 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1310 this->dhost.assign(shost, 0, 64);
1312 this->InvalidateCache();
1314 this->DoHostCycle(quitstr);
1317 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1322 bool User::ChangeIdent(const char* newident)
1324 if (this->ident == newident)
1327 FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
1329 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
1331 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1333 this->InvalidateCache();
1335 this->DoHostCycle(quitstr);
1340 void User::SendAll(const char* command, const char* text, ...)
1342 std::string textbuffer;
1343 VAFORMAT(textbuffer, text, text);
1344 const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer;
1346 for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1348 if ((*i)->registered == REG_ALL)
1349 (*i)->Write(message);
1354 * Sets a user's connection class.
1355 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1356 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1357 * then their ip will be taken as 'priority' anyway, so for example,
1358 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1360 void LocalUser::SetClass(const std::string &explicit_name)
1362 ConnectClass *found = NULL;
1364 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1366 if (!explicit_name.empty())
1368 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1370 ConnectClass* c = *i;
1372 if (explicit_name == c->name)
1374 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1381 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1383 ConnectClass* c = *i;
1384 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1386 ModResult MOD_RESULT;
1387 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1388 if (MOD_RESULT == MOD_RES_DENY)
1390 if (MOD_RESULT == MOD_RES_ALLOW)
1392 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1397 if (c->type == CC_NAMED)
1400 bool regdone = (registered != REG_NONE);
1401 if (c->config->getBool("registered", regdone) != regdone)
1404 /* check if host matches.. */
1405 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1406 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1408 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1413 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1414 * because we should attempt to find another class if this one doesn't match us. -- w00t
1416 if (c->limit && (c->GetReferenceCount() >= c->limit))
1418 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1422 /* if it requires a port ... */
1423 int port = c->config->getInt("port");
1426 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1428 /* and our port doesn't match, fail. */
1429 if (this->GetServerPort() != port)
1433 if (regdone && !c->config->getString("password").empty())
1435 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1437 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1442 /* we stop at the first class that meets ALL critera. */
1449 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1457 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1458 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1459 * then their ip will be taken as 'priority' anyway, so for example,
1460 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1462 ConnectClass* LocalUser::GetClass()
1467 ConnectClass* User::GetClass()
1472 void User::PurgeEmptyChannels()
1474 // firstly decrement the count on each channel
1475 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1484 const std::string& FakeUser::GetFullHost()
1486 if (!ServerInstance->Config->HideWhoisServer.empty())
1487 return ServerInstance->Config->HideWhoisServer;
1491 const std::string& FakeUser::GetFullRealHost()
1493 if (!ServerInstance->Config->HideWhoisServer.empty())
1494 return ServerInstance->Config->HideWhoisServer;
1498 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1499 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1500 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1501 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0),
1502 limit(0), nouserdns(false)
1506 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1507 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1508 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1509 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1510 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1511 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1512 limit(parent.limit), nouserdns(parent.nouserdns)
1516 void ConnectClass::Update(const ConnectClass* src)
1518 config = src->config;
1520 fakelag = src->fakelag;
1522 registration_timeout = src->registration_timeout;
1524 pingtime = src->pingtime;
1525 softsendqmax = src->softsendqmax;
1526 hardsendqmax = src->hardsendqmax;
1527 recvqmax = src->recvqmax;
1528 penaltythreshold = src->penaltythreshold;
1529 commandrate = src->commandrate;
1530 maxlocal = src->maxlocal;
1531 maxglobal = src->maxglobal;
1532 maxconnwarn = src->maxconnwarn;
1533 maxchans = src->maxchans;
1535 nouserdns = src->nouserdns;