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"
31 #include "commands/cmd_whowas.h"
33 already_sent_t LocalUser::already_sent_id = 0;
35 std::string User::ProcessNoticeMasks(const char *sm)
37 bool adding = true, oldadding = false;
52 for (unsigned char d = 'a'; d <= 'z'; d++)
54 if (!ServerInstance->SNO->masks[d - 'a'].Description.empty())
56 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
58 if ((oldadding != adding) || (!output.length()))
59 output += (adding ? '+' : '-');
61 this->SetNoticeMask(d, adding);
67 if ((!IsNoticeMaskSet(u) && adding) || (IsNoticeMaskSet(u) && !adding))
69 if ((oldadding != adding) || (!output.length()))
70 output += (adding ? '+' : '-');
72 this->SetNoticeMask(u, adding);
83 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
85 if ((oldadding != adding) || (!output.length()))
86 output += (adding ? '+' : '-');
88 this->SetNoticeMask(*c, adding);
94 this->WriteNumeric(ERR_UNKNOWNSNOMASK, "%s %c :is unknown snomask char to me", this->nick.c_str(), *c);
103 std::string s = this->FormatNoticeMasks();
106 this->modes[UM_SNOMASK] = false;
112 void LocalUser::StartDNSLookup()
117 const char* sip = this->GetIPString();
118 UserResolver *res_reverse;
120 QueryType resolvtype = this->client_sa.sa.sa_family == AF_INET6 ? DNS_QUERY_PTR6 : DNS_QUERY_PTR4;
121 res_reverse = new UserResolver(this, sip, resolvtype, cached);
123 ServerInstance->AddResolver(res_reverse, cached);
125 catch (CoreException& e)
127 ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason());
129 ServerInstance->stats->statsDnsBad++;
133 bool User::IsNoticeMaskSet(unsigned char sm)
137 return (snomasks[sm-65]);
140 void User::SetNoticeMask(unsigned char sm, bool value)
144 snomasks[sm-65] = value;
147 const char* User::FormatNoticeMasks()
149 static char data[MAXBUF];
152 for (int n = 0; n < 64; n++)
155 data[offset++] = n+65;
162 bool User::IsModeSet(unsigned char m)
166 return (modes[m-65]);
169 void User::SetMode(unsigned char m, bool value)
176 const char* User::FormatModes(bool showparameters)
178 static char data[MAXBUF];
182 for (unsigned char n = 0; n < 64; n++)
186 data[offset++] = n + 65;
187 ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
188 if (showparameters && mh && mh->GetNumParams(true))
190 std::string p = mh->GetUserParameter(this);
192 params.append(" ").append(p);
197 strlcat(data, params.c_str(), MAXBUF);
201 User::User(const std::string &uid, const std::string& sid, int type)
202 : uuid(uid), server(sid), usertype(type)
204 age = ServerInstance->Time();
205 signon = idle_lastmsg = 0;
207 quietquit = quitting = exempt = dns_done = false;
208 quitting_sendq = false;
209 client_sa.sa.sa_family = AF_UNSPEC;
211 ServerInstance->Logs->Log("USERS", DEBUG, "New UUID for user: %s", uuid.c_str());
213 user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid);
214 if (finduuid == ServerInstance->Users->uuidlist->end())
215 (*ServerInstance->Users->uuidlist)[uuid] = this;
217 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
220 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
221 : User(ServerInstance->GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
222 bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
229 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
234 if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
235 ServerInstance->Logs->Log("USERS", DEFAULT, "User destructor for %s called without cull", uuid.c_str());
238 const std::string& User::MakeHost()
240 if (!this->cached_makehost.empty())
241 return this->cached_makehost;
244 /* This is much faster than snprintf */
246 for(const char* n = ident.c_str(); *n; n++)
249 for(const char* n = host.c_str(); *n; n++)
253 this->cached_makehost.assign(nhost);
255 return this->cached_makehost;
258 const std::string& User::MakeHostIP()
260 if (!this->cached_hostip.empty())
261 return this->cached_hostip;
264 /* This is much faster than snprintf */
266 for(const char* n = ident.c_str(); *n; n++)
269 for(const char* n = this->GetIPString(); *n; n++)
273 this->cached_hostip = ihost;
275 return this->cached_hostip;
278 const std::string& User::GetFullHost()
280 if (!this->cached_fullhost.empty())
281 return this->cached_fullhost;
285 for(const char* n = nick.c_str(); *n; n++)
288 for(const char* n = ident.c_str(); *n; n++)
291 for(const char* n = dhost.c_str(); *n; n++)
295 this->cached_fullhost = result;
297 return this->cached_fullhost;
300 char* User::MakeWildHost()
302 static char nresult[MAXBUF];
304 *t++ = '*'; *t++ = '!';
305 *t++ = '*'; *t++ = '@';
306 for(const char* n = dhost.c_str(); *n; n++)
312 const std::string& User::GetFullRealHost()
314 if (!this->cached_fullrealhost.empty())
315 return this->cached_fullrealhost;
317 char fresult[MAXBUF];
319 for(const char* n = nick.c_str(); *n; n++)
322 for(const char* n = ident.c_str(); *n; n++)
325 for(const char* n = host.c_str(); *n; n++)
329 this->cached_fullrealhost = fresult;
331 return this->cached_fullrealhost;
334 bool LocalUser::IsInvited(const irc::string &channel)
336 Channel* chan = ServerInstance->FindChan(channel.c_str());
340 return (Invitation::Find(chan, this) != NULL);
343 InviteList& LocalUser::GetInviteList()
345 RemoveExpiredInvites();
349 void LocalUser::InviteTo(const irc::string &channel, time_t invtimeout)
351 Channel* chan = ServerInstance->FindChan(channel.c_str());
353 Invitation::Create(chan, this, invtimeout);
356 void LocalUser::RemoveInvite(const irc::string &channel)
358 Channel* chan = ServerInstance->FindChan(channel.c_str());
361 Invitation* inv = Invitation::Find(chan, this);
370 void LocalUser::RemoveExpiredInvites()
372 Invitation::Find(NULL, this);
375 bool User::HasModePermission(unsigned char, ModeType)
380 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
385 if (mode < 'A' || mode > ('A' + 64)) return false;
387 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
391 * users on remote servers can completely bypass all permissions based checks.
392 * This prevents desyncs when one server has different type/class tags to another.
393 * That having been said, this does open things up to the possibility of source changes
394 * allowing remote kills, etc - but if they have access to the src, they most likely have
395 * access to the conf - so it's an end to a means either way.
397 bool User::HasPermission(const std::string&)
402 bool LocalUser::HasPermission(const std::string &command)
404 // are they even an oper at all?
410 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
412 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
418 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
423 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
428 this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str());
432 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
436 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
442 this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), oper->NameStr(), privstr.c_str());
446 void UserIOHandler::OnDataReady()
451 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
453 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
454 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
455 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
457 unsigned long sendqmax = ULONG_MAX;
458 if (!user->HasPrivPermission("users/flood/increased-buffers"))
459 sendqmax = user->MyClass->GetSendqSoftMax();
460 unsigned long penaltymax = ULONG_MAX;
461 if (!user->HasPrivPermission("users/flood/no-fakelag"))
462 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
464 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
467 line.reserve(MAXBUF);
468 std::string::size_type qpos = 0;
469 while (qpos < recvq.length())
471 char c = recvq[qpos++];
482 if (line.length() < MAXBUF - 2)
485 // if we got here, the recvq ran out before we found a newline
488 // just found a newline. Terminate the string, and pull it out of recvq
489 recvq = recvq.substr(qpos);
491 // TODO should this be moved to when it was inserted in recvq?
492 ServerInstance->stats->statsRecv += qpos;
493 user->bytes_in += qpos;
496 ServerInstance->Parser->ProcessBuffer(line, user);
500 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
501 ServerInstance->Users->QuitUser(user, "Excess Flood");
504 void UserIOHandler::AddWriteBuf(const std::string &data)
506 if (user->quitting_sendq)
508 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
509 !user->HasPrivPermission("users/flood/increased-buffers"))
511 user->quitting_sendq = true;
512 ServerInstance->GlobalCulls.AddSQItem(user);
516 // We still want to append data to the sendq of a quitting user,
517 // e.g. their ERROR message that says 'closing link'
522 void UserIOHandler::OnError(BufferedSocketError)
524 ServerInstance->Users->QuitUser(user, getError());
527 CullResult User::cull()
530 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
531 PurgeEmptyChannels();
533 if (client_sa.sa.sa_family != AF_UNSPEC)
534 ServerInstance->Users->RemoveCloneCounts(this);
536 return Extensible::cull();
539 CullResult LocalUser::cull()
541 std::vector<LocalUser*>::iterator x = find(ServerInstance->Users->local_users.begin(),ServerInstance->Users->local_users.end(),this);
542 if (x != ServerInstance->Users->local_users.end())
543 ServerInstance->Users->local_users.erase(x);
545 ServerInstance->Logs->Log("USERS", DEBUG, "Failed to remove user from vector");
552 CullResult FakeUser::cull()
554 // Fake users don't quit, they just get culled.
556 ServerInstance->Users->clientlist->erase(nick);
557 ServerInstance->Users->uuidlist->erase(uuid);
561 void User::Oper(OperInfo* info)
563 if (this->IsModeSet('o'))
566 this->modes[UM_OPERATOR] = 1;
568 this->WriteServ("MODE %s :+o", this->nick.c_str());
569 FOREACH_MOD(I_OnOper, OnOper(this, info->name));
571 std::string opername;
572 if (info->oper_block)
573 opername = info->oper_block->getString("name");
577 LocalUser* l = IS_LOCAL(this);
578 std::string vhost = oper->getConfig("vhost");
580 l->ChangeDisplayedHost(vhost.c_str());
581 std::string opClass = oper->getConfig("class");
582 if (!opClass.empty())
583 l->SetClass(opClass);
586 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
587 nick.c_str(), ident.c_str(), host.c_str(), oper->NameStr(), opername.c_str());
588 this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->NameStr());
590 ServerInstance->Logs->Log("OPER", DEFAULT, "%s!%s@%s opered as type: %s", this->nick.c_str(), this->ident.c_str(), this->host.c_str(), oper->NameStr());
591 ServerInstance->Users->all_opers.push_back(this);
593 // Expand permissions from config for faster lookup
597 FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
600 void OperInfo::init()
602 AllowedOperCommands.clear();
603 AllowedPrivs.clear();
604 AllowedUserModes.reset();
605 AllowedChanModes.reset();
606 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
608 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
610 ConfigTag* tag = *iter;
611 std::string mycmd, mypriv;
612 /* Process commands */
613 irc::spacesepstream CommandList(tag->getString("commands"));
614 while (CommandList.GetToken(mycmd))
616 AllowedOperCommands.insert(mycmd);
619 irc::spacesepstream PrivList(tag->getString("privs"));
620 while (PrivList.GetToken(mypriv))
622 AllowedPrivs.insert(mypriv);
625 for (unsigned char* c = (unsigned char*)tag->getString("usermodes").c_str(); *c; ++c)
629 this->AllowedUserModes.set();
631 else if (*c >= 'A' && *c < 'z')
633 this->AllowedUserModes[*c - 'A'] = true;
637 for (unsigned char* c = (unsigned char*)tag->getString("chanmodes").c_str(); *c; ++c)
641 this->AllowedChanModes.set();
643 else if (*c >= 'A' && *c < 'z')
645 this->AllowedChanModes[*c - 'A'] = true;
657 * unset their oper type (what IS_OPER checks).
658 * note, order is important - this must come before modes as -o attempts
659 * to call UnOper. -- w00t
664 /* Remove all oper only modes from the user when the deoper - Bug #466*/
665 std::string moderemove("-");
667 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
669 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
670 if (mh && mh->NeedsOper())
671 moderemove += letter;
675 std::vector<std::string> parameters;
676 parameters.push_back(this->nick);
677 parameters.push_back(moderemove);
679 ServerInstance->Parser->CallHandler("MODE", parameters, this);
681 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
682 ServerInstance->Users->all_opers.remove(this);
684 this->modes[UM_OPERATOR] = 0;
687 /* adds or updates an entry in the whowas list */
688 void User::AddToWhoWas()
690 Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so");
693 WhowasRequest req(NULL, whowas, WhowasRequest::WHOWAS_ADD);
700 * Check class restrictions
702 void LocalUser::CheckClass()
704 ConnectClass* a = this->MyClass;
708 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
711 else if (a->type == CC_DENY)
713 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
716 else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
718 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
720 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
723 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
725 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
727 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString());
731 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
734 bool User::CheckLines(bool doZline)
736 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
740 for (int n = 0; check[n]; ++n)
742 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
755 void LocalUser::FullConnect()
757 ServerInstance->stats->statsConnects++;
758 this->idle_lastmsg = ServerInstance->Time();
761 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
762 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
763 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
764 * Don't remove this! -- w00t
774 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network.c_str());
775 this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), this->nick.c_str(), this->ident.c_str(), this->host.c_str());
776 this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version InspIRCd-2.0",this->nick.c_str(),ServerInstance->Config->ServerName.c_str());
777 this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
778 this->WriteNumeric(RPL_SERVERVERSION, "%s %s InspIRCd-2.0 %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
780 ServerInstance->Config->Send005(this);
781 this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
784 if (ServerInstance->Users->unregistered_count)
785 ServerInstance->Users->unregistered_count--;
787 /* Trigger MOTD and LUSERS output, give modules a chance too */
788 ModResult MOD_RESULT;
789 std::string command("MOTD");
790 std::vector<std::string> parameters;
791 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
793 ServerInstance->CallCommandHandler(command, parameters, this);
795 MOD_RESULT = MOD_RES_PASSTHRU;
797 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
799 ServerInstance->CallCommandHandler(command, parameters, this);
801 if (ServerInstance->Config->RawLog)
802 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
805 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
806 * for a user that doesn't exist yet.
808 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
810 this->registered = REG_ALL;
812 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
814 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s!%s@%s (%s) [%s]",
815 this->GetServerPort(), this->MyClass->name.c_str(), this->nick.c_str(), this->ident.c_str(), this->host.c_str(), this->GetIPString(), this->fullname.c_str());
816 ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
817 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
818 // reset the flood penalty (which could have been raised due to things like auto +x)
819 CommandFloodPenalty = 0;
822 void User::InvalidateCache()
824 /* Invalidate cache */
825 cached_fullhost.clear();
826 cached_hostip.clear();
827 cached_makehost.clear();
828 cached_fullrealhost.clear();
831 bool User::ChangeNick(const std::string& newnick, bool force)
833 ModResult MOD_RESULT;
836 ServerInstance->NICKForced.set(this, 1);
837 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
838 ServerInstance->NICKForced.set(this, 0);
840 if (MOD_RESULT == MOD_RES_DENY)
842 ServerInstance->stats->statsCollisions++;
846 if (assign(newnick) == assign(nick))
848 // case change, don't need to check Q:lines and such
849 // and, if it's identical including case, we can leave right now
856 * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
857 * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
858 * Thanks Kein for finding this. -- w00t
860 * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
863 if (IS_LOCAL(this) && !force)
865 XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
868 if (this->registered == REG_ALL)
870 ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s!%s@%s: %s",
871 newnick.c_str(), this->nick.c_str(), this->ident.c_str(), this->host.c_str(), mq->reason.c_str());
873 this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
877 if (ServerInstance->Config->RestrictBannedUsers)
879 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
882 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
884 this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
892 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
893 * then we have a potential collide. Check whether someone else is camping on the nick
894 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
895 * camper to their UID, and allow the incoming nick change.
897 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
898 * because the nick is already (rightfully) in use. -- w00t
900 User* InUse = ServerInstance->FindNickOnly(newnick);
901 if (InUse && (InUse != this))
903 if (InUse->registered != REG_ALL)
905 /* force the camper to their UUID, and ask them to re-send a NICK. */
906 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
907 InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
909 ServerInstance->Users->clientlist->erase(InUse->nick);
910 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
912 InUse->nick = InUse->uuid;
913 InUse->InvalidateCache();
914 InUse->registered &= ~REG_NICK;
918 /* No camping, tell the incoming user to stop trying to change nick ;p */
919 this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
925 if (this->registered == REG_ALL)
926 this->WriteCommon("NICK %s",newnick.c_str());
927 std::string oldnick = nick;
931 ServerInstance->Users->clientlist->erase(oldnick);
932 (*(ServerInstance->Users->clientlist))[newnick] = this;
934 if (registered == REG_ALL)
935 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
940 int LocalUser::GetServerPort()
942 switch (this->server_sa.sa.sa_family)
945 return htons(this->server_sa.in6.sin6_port);
947 return htons(this->server_sa.in4.sin_port);
952 const char* User::GetIPString()
955 if (cachedip.empty())
957 irc::sockets::satoap(client_sa, cachedip, port);
958 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
959 if (cachedip.c_str()[0] == ':')
960 cachedip.insert(0,1,'0');
963 return cachedip.c_str();
966 irc::sockets::cidr_mask User::GetCIDRMask()
969 switch (client_sa.sa.sa_family)
972 range = ServerInstance->Config->c_ipv6_range;
975 range = ServerInstance->Config->c_ipv4_range;
978 return irc::sockets::cidr_mask(client_sa, range);
981 bool User::SetClientIP(irc::sockets::sockaddrs *sa)
983 memcpy(&client_sa, sa, sizeof(irc::sockets::sockaddrs));
985 FOREACH_MOD(I_OnSetClientIP, OnSetClientIP(this));
990 bool User::SetClientIP(const char* sip)
992 irc::sockets::sockaddrs sa;
995 if (!irc::sockets::aptosa(sip, 0, sa))
998 return SetClientIP(&sa);
1001 static std::string wide_newline("\r\n");
1003 void User::Write(const std::string& text)
1007 void User::Write(const char *text, ...)
1011 void LocalUser::Write(const std::string& text)
1013 if (!ServerInstance->SE->BoundsCheckFd(&eh))
1016 if (text.length() > MAXBUF - 2)
1018 // this should happen rarely or never. Crop the string at 512 and try again.
1019 std::string try_again = text.substr(0, MAXBUF - 2);
1024 ServerInstance->Logs->Log("USEROUTPUT", RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
1026 eh.AddWriteBuf(text);
1027 eh.AddWriteBuf(wide_newline);
1029 ServerInstance->stats->statsSent += text.length() + 2;
1030 this->bytes_out += text.length() + 2;
1036 void LocalUser::Write(const char *text, ...)
1039 char textbuffer[MAXBUF];
1041 va_start(argsPtr, text);
1042 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1045 this->Write(std::string(textbuffer));
1048 void User::WriteServ(const std::string& text)
1050 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
1054 * Same as Write(), except `text' is prefixed with `:server.name '.
1056 void User::WriteServ(const char* text, ...)
1059 char textbuffer[MAXBUF];
1061 va_start(argsPtr, text);
1062 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1065 this->WriteServ(std::string(textbuffer));
1069 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
1072 char textbuffer[MAXBUF];
1074 va_start(argsPtr, text);
1075 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1078 this->WriteNumeric(numeric, std::string(textbuffer));
1081 void User::WriteNumeric(unsigned int numeric, const std::string &text)
1083 char textbuffer[MAXBUF];
1084 ModResult MOD_RESULT;
1086 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
1088 if (MOD_RESULT == MOD_RES_DENY)
1091 snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName.c_str(), numeric, text.c_str());
1092 this->Write(std::string(textbuffer));
1095 void User::WriteFrom(User *user, const std::string &text)
1099 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str());
1101 this->Write(std::string(tb));
1105 /* write text from an originating user to originating user */
1107 void User::WriteFrom(User *user, const char* text, ...)
1110 char textbuffer[MAXBUF];
1112 va_start(argsPtr, text);
1113 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1116 this->WriteFrom(user, std::string(textbuffer));
1120 /* write text to an destination user from a source user (e.g. user privmsg) */
1122 void User::WriteTo(User *dest, const char *data, ...)
1124 char textbuffer[MAXBUF];
1127 va_start(argsPtr, data);
1128 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1131 this->WriteTo(dest, std::string(textbuffer));
1134 void User::WriteTo(User *dest, const std::string &data)
1136 dest->WriteFrom(this, data);
1139 void User::WriteCommon(const char* text, ...)
1141 char textbuffer[MAXBUF];
1144 if (this->registered != REG_ALL || quitting)
1147 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1149 va_start(argsPtr, text);
1150 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1153 this->WriteCommonRaw(std::string(textbuffer), true);
1156 void User::WriteCommonExcept(const char* text, ...)
1158 char textbuffer[MAXBUF];
1161 if (this->registered != REG_ALL || quitting)
1164 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1166 va_start(argsPtr, text);
1167 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1170 this->WriteCommonRaw(std::string(textbuffer), false);
1173 void User::WriteCommonRaw(const std::string &line, bool include_self)
1175 if (this->registered != REG_ALL || quitting)
1178 LocalUser::already_sent_id++;
1180 UserChanList include_c(chans);
1181 std::map<User*,bool> exceptions;
1183 exceptions[this] = include_self;
1185 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1187 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1189 LocalUser* u = IS_LOCAL(i->first);
1190 if (u && !u->quitting)
1192 u->already_sent = LocalUser::already_sent_id;
1197 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1200 const UserMembList* ulist = c->GetUsers();
1201 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1203 LocalUser* u = IS_LOCAL(i->first);
1204 if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
1206 u->already_sent = LocalUser::already_sent_id;
1213 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1218 if (this->registered != REG_ALL)
1221 already_sent_t uniq_id = ++LocalUser::already_sent_id;
1223 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str());
1224 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str());
1225 std::string out1 = tb1;
1226 std::string out2 = tb2;
1228 UserChanList include_c(chans);
1229 std::map<User*,bool> exceptions;
1231 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1233 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1235 LocalUser* u = IS_LOCAL(i->first);
1236 if (u && !u->quitting)
1238 u->already_sent = uniq_id;
1240 u->Write(IS_OPER(u) ? out2 : out1);
1243 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1245 const UserMembList* ulist = (*v)->GetUsers();
1246 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1248 LocalUser* u = IS_LOCAL(i->first);
1249 if (u && !u->quitting && (u->already_sent != uniq_id))
1251 u->already_sent = uniq_id;
1252 u->Write(IS_OPER(u) ? out2 : out1);
1258 void LocalUser::SendText(const std::string& line)
1263 void RemoteUser::SendText(const std::string& line)
1265 ServerInstance->PI->PushToClient(this, line);
1268 void FakeUser::SendText(const std::string& line)
1272 void User::SendText(const char *text, ...)
1277 va_start(argsPtr, text);
1278 vsnprintf(line, MAXBUF, text, argsPtr);
1281 SendText(std::string(line));
1284 void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream)
1287 int start_pos = LinePrefix.length();
1288 int pos = start_pos;
1289 memcpy(line, LinePrefix.data(), pos);
1291 while (TextStream >> Word)
1293 int len = Word.length();
1294 if (pos + len + 12 > MAXBUF)
1297 SendText(std::string(line));
1301 memcpy(line + pos + 1, Word.data(), len);
1305 SendText(std::string(line));
1308 /* return 0 or 1 depending if users u and u2 share one or more common channels
1309 * (used by QUIT, NICK etc which arent channel specific notices)
1311 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1312 * the first users channels then the second users channels within the outer loop,
1313 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1314 * all possible iterations). However this new function instead checks against the
1315 * channel's userlist in the inner loop which is a std::map<User*,User*>
1316 * and saves us time as we already know what pointer value we are after.
1317 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1318 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1320 bool User::SharesChannelWith(User *other)
1322 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1326 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1328 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1329 * by replacing it with a map::find which *should* be more efficient
1331 if ((*i)->HasUser(other))
1337 bool User::ChangeName(const char* gecos)
1339 if (!this->fullname.compare(gecos))
1344 ModResult MOD_RESULT;
1345 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1346 if (MOD_RESULT == MOD_RES_DENY)
1348 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1350 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1355 void User::DoHostCycle(const std::string &quitline)
1357 char buffer[MAXBUF];
1359 if (!ServerInstance->Config->CycleHosts)
1362 already_sent_t silent_id = ++LocalUser::already_sent_id;
1363 already_sent_t seen_id = ++LocalUser::already_sent_id;
1365 UserChanList include_c(chans);
1366 std::map<User*,bool> exceptions;
1368 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1370 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1372 LocalUser* u = IS_LOCAL(i->first);
1373 if (u && !u->quitting)
1377 u->already_sent = seen_id;
1382 u->already_sent = silent_id;
1386 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1389 snprintf(buffer, MAXBUF, ":%s JOIN %s", GetFullHost().c_str(), c->name.c_str());
1390 std::string joinline(buffer);
1391 Membership* memb = c->GetUser(this);
1392 std::string modeline = memb->modes;
1393 if (modeline.length() > 0)
1395 for(unsigned int i=0; i < memb->modes.length(); i++)
1396 modeline.append(" ").append(nick);
1397 snprintf(buffer, MAXBUF, ":%s MODE %s +%s",
1398 ServerInstance->Config->CycleHostsFromUser ? GetFullHost().c_str() : ServerInstance->Config->ServerName.c_str(),
1399 c->name.c_str(), modeline.c_str());
1403 const UserMembList *ulist = c->GetUsers();
1404 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1406 LocalUser* u = IS_LOCAL(i->first);
1407 if (u == NULL || u == this)
1409 if (u->already_sent == silent_id)
1412 if (u->already_sent != seen_id)
1415 u->already_sent = seen_id;
1418 if (modeline.length() > 0)
1424 bool User::ChangeDisplayedHost(const char* shost)
1431 ModResult MOD_RESULT;
1432 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1433 if (MOD_RESULT == MOD_RES_DENY)
1437 FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1439 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
1441 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1442 this->dhost.assign(shost, 0, 64);
1444 this->InvalidateCache();
1446 this->DoHostCycle(quitstr);
1449 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1454 bool User::ChangeIdent(const char* newident)
1456 if (this->ident == newident)
1459 FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
1461 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
1463 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax + 1);
1465 this->InvalidateCache();
1467 this->DoHostCycle(quitstr);
1472 void User::SendAll(const char* command, const char* text, ...)
1474 char textbuffer[MAXBUF];
1475 char formatbuffer[MAXBUF];
1478 va_start(argsPtr, text);
1479 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1482 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer);
1483 std::string fmt = formatbuffer;
1485 for (std::vector<LocalUser*>::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1492 std::string User::ChannelList(User* source, bool spy)
1496 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1499 /* If the target is the sender, neither +p nor +s is set, or
1500 * the channel contains the user, it is not a spy channel
1502 if (spy != (source == this || !(c->IsModeSet('p') || c->IsModeSet('s')) || c->HasUser(source)))
1503 list.append(c->GetPrefixChar(this)).append(c->name).append(" ");
1509 void User::SplitChanList(User* dest, const std::string &cl)
1512 std::ostringstream prefix;
1513 std::string::size_type start, pos, length;
1515 prefix << this->nick << " " << dest->nick << " :";
1516 line = prefix.str();
1517 int namelen = ServerInstance->Config->ServerName.length() + 6;
1519 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1521 length = (pos == std::string::npos) ? cl.length() : pos;
1523 if (line.length() + namelen + length - start > 510)
1525 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1526 line = prefix.str();
1529 if(pos == std::string::npos)
1531 line.append(cl.substr(start, length - start));
1536 line.append(cl.substr(start, length - start + 1));
1540 if (line.length() != prefix.str().length())
1542 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1547 * Sets a user's connection class.
1548 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1549 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1550 * then their ip will be taken as 'priority' anyway, so for example,
1551 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1553 void LocalUser::SetClass(const std::string &explicit_name)
1555 ConnectClass *found = NULL;
1557 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1559 if (!explicit_name.empty())
1561 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1563 ConnectClass* c = *i;
1565 if (explicit_name == c->name)
1567 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Explicitly set to %s", explicit_name.c_str());
1574 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1576 ConnectClass* c = *i;
1577 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Checking %s", c->GetName().c_str());
1579 ModResult MOD_RESULT;
1580 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1581 if (MOD_RESULT == MOD_RES_DENY)
1583 if (MOD_RESULT == MOD_RES_ALLOW)
1585 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Class forced by module to %s", c->GetName().c_str());
1590 if (c->type == CC_NAMED)
1593 bool regdone = (registered != REG_NONE);
1594 if (c->config->getBool("registered", regdone) != regdone)
1597 /* check if host matches.. */
1598 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1599 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1601 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "No host match (for %s)", c->GetHost().c_str());
1606 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1607 * because we should attempt to find another class if this one doesn't match us. -- w00t
1609 if (c->limit && (c->GetReferenceCount() >= c->limit))
1611 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1615 /* if it requires a port ... */
1616 int port = c->config->getInt("port");
1619 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Requires port (%d)", port);
1621 /* and our port doesn't match, fail. */
1622 if (this->GetServerPort() != port)
1626 if (regdone && !c->config->getString("password").empty())
1628 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1630 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Bad password, skipping");
1635 /* we stop at the first class that meets ALL critera. */
1642 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1650 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1651 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1652 * then their ip will be taken as 'priority' anyway, so for example,
1653 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1655 ConnectClass* LocalUser::GetClass()
1660 ConnectClass* User::GetClass()
1665 void User::PurgeEmptyChannels()
1667 // firstly decrement the count on each channel
1668 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1677 const std::string& FakeUser::GetFullHost()
1679 if (!ServerInstance->Config->HideWhoisServer.empty())
1680 return ServerInstance->Config->HideWhoisServer;
1684 const std::string& FakeUser::GetFullRealHost()
1686 if (!ServerInstance->Config->HideWhoisServer.empty())
1687 return ServerInstance->Config->HideWhoisServer;
1691 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1692 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1693 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1694 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0), limit(0)
1698 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1699 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1700 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1701 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1702 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1703 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1708 void ConnectClass::Update(const ConnectClass* src)
1710 config = src->config;
1712 fakelag = src->fakelag;
1714 registration_timeout = src->registration_timeout;
1716 pingtime = src->pingtime;
1717 softsendqmax = src->softsendqmax;
1718 hardsendqmax = src->hardsendqmax;
1719 recvqmax = src->recvqmax;
1720 penaltythreshold = src->penaltythreshold;
1721 commandrate = src->commandrate;
1722 maxlocal = src->maxlocal;
1723 maxglobal = src->maxglobal;
1724 maxconnwarn = src->maxconnwarn;
1725 maxchans = src->maxchans;