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),
228 memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
229 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
230 dhost = host = GetIPString();
235 if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
236 ServerInstance->Logs->Log("USERS", DEFAULT, "User destructor for %s called without cull", uuid.c_str());
239 const std::string& User::MakeHost()
241 if (!this->cached_makehost.empty())
242 return this->cached_makehost;
245 /* This is much faster than snprintf */
247 for(const char* n = ident.c_str(); *n; n++)
250 for(const char* n = host.c_str(); *n; n++)
254 this->cached_makehost.assign(nhost);
256 return this->cached_makehost;
259 const std::string& User::MakeHostIP()
261 if (!this->cached_hostip.empty())
262 return this->cached_hostip;
265 /* This is much faster than snprintf */
267 for(const char* n = ident.c_str(); *n; n++)
270 for(const char* n = this->GetIPString(); *n; n++)
274 this->cached_hostip = ihost;
276 return this->cached_hostip;
279 const std::string& User::GetFullHost()
281 if (!this->cached_fullhost.empty())
282 return this->cached_fullhost;
286 for(const char* n = nick.c_str(); *n; n++)
289 for(const char* n = ident.c_str(); *n; n++)
292 for(const char* n = dhost.c_str(); *n; n++)
296 this->cached_fullhost = result;
298 return this->cached_fullhost;
301 char* User::MakeWildHost()
303 static char nresult[MAXBUF];
305 *t++ = '*'; *t++ = '!';
306 *t++ = '*'; *t++ = '@';
307 for(const char* n = dhost.c_str(); *n; n++)
313 const std::string& User::GetFullRealHost()
315 if (!this->cached_fullrealhost.empty())
316 return this->cached_fullrealhost;
318 char fresult[MAXBUF];
320 for(const char* n = nick.c_str(); *n; n++)
323 for(const char* n = ident.c_str(); *n; n++)
326 for(const char* n = host.c_str(); *n; n++)
330 this->cached_fullrealhost = fresult;
332 return this->cached_fullrealhost;
335 bool LocalUser::IsInvited(const irc::string &channel)
337 Channel* chan = ServerInstance->FindChan(channel.c_str());
341 return (Invitation::Find(chan, this) != NULL);
344 InviteList& LocalUser::GetInviteList()
346 RemoveExpiredInvites();
350 void LocalUser::InviteTo(const irc::string &channel, time_t invtimeout)
352 Channel* chan = ServerInstance->FindChan(channel.c_str());
354 Invitation::Create(chan, this, invtimeout);
357 void LocalUser::RemoveInvite(const irc::string &channel)
359 Channel* chan = ServerInstance->FindChan(channel.c_str());
362 Invitation* inv = Invitation::Find(chan, this);
371 void LocalUser::RemoveExpiredInvites()
373 Invitation::Find(NULL, this);
376 bool User::HasModePermission(unsigned char, ModeType)
381 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
386 if (mode < 'A' || mode > ('A' + 64)) return false;
388 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
392 * users on remote servers can completely bypass all permissions based checks.
393 * This prevents desyncs when one server has different type/class tags to another.
394 * That having been said, this does open things up to the possibility of source changes
395 * allowing remote kills, etc - but if they have access to the src, they most likely have
396 * access to the conf - so it's an end to a means either way.
398 bool User::HasPermission(const std::string&)
403 bool LocalUser::HasPermission(const std::string &command)
405 // are they even an oper at all?
411 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
413 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
419 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
424 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
429 this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str());
433 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
437 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
443 this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), oper->NameStr(), privstr.c_str());
447 void UserIOHandler::OnDataReady()
452 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
454 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
455 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
456 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
458 unsigned long sendqmax = ULONG_MAX;
459 if (!user->HasPrivPermission("users/flood/increased-buffers"))
460 sendqmax = user->MyClass->GetSendqSoftMax();
461 unsigned long penaltymax = ULONG_MAX;
462 if (!user->HasPrivPermission("users/flood/no-fakelag"))
463 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
465 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
468 line.reserve(MAXBUF);
469 std::string::size_type qpos = 0;
470 while (qpos < recvq.length())
472 char c = recvq[qpos++];
483 if (line.length() < MAXBUF - 2)
486 // if we got here, the recvq ran out before we found a newline
489 // just found a newline. Terminate the string, and pull it out of recvq
490 recvq = recvq.substr(qpos);
492 // TODO should this be moved to when it was inserted in recvq?
493 ServerInstance->stats->statsRecv += qpos;
494 user->bytes_in += qpos;
497 ServerInstance->Parser->ProcessBuffer(line, user);
501 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
502 ServerInstance->Users->QuitUser(user, "Excess Flood");
505 void UserIOHandler::AddWriteBuf(const std::string &data)
507 if (user->quitting_sendq)
509 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
510 !user->HasPrivPermission("users/flood/increased-buffers"))
512 user->quitting_sendq = true;
513 ServerInstance->GlobalCulls.AddSQItem(user);
517 // We still want to append data to the sendq of a quitting user,
518 // e.g. their ERROR message that says 'closing link'
523 void UserIOHandler::OnError(BufferedSocketError)
525 ServerInstance->Users->QuitUser(user, getError());
528 CullResult User::cull()
531 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
532 PurgeEmptyChannels();
534 if (client_sa.sa.sa_family != AF_UNSPEC)
535 ServerInstance->Users->RemoveCloneCounts(this);
537 return Extensible::cull();
540 CullResult LocalUser::cull()
542 LocalUserList::iterator x = find(ServerInstance->Users->local_users.begin(),ServerInstance->Users->local_users.end(),this);
543 if (x != ServerInstance->Users->local_users.end())
544 ServerInstance->Users->local_users.erase(x);
546 ServerInstance->Logs->Log("USERS", DEBUG, "Failed to remove user from vector");
553 CullResult FakeUser::cull()
555 // Fake users don't quit, they just get culled.
557 ServerInstance->Users->clientlist->erase(nick);
558 ServerInstance->Users->uuidlist->erase(uuid);
562 void User::Oper(OperInfo* info)
564 if (this->IsModeSet('o'))
567 this->modes[UM_OPERATOR] = 1;
569 this->WriteServ("MODE %s :+o", this->nick.c_str());
570 FOREACH_MOD(I_OnOper, OnOper(this, info->name));
572 std::string opername;
573 if (info->oper_block)
574 opername = info->oper_block->getString("name");
578 LocalUser* l = IS_LOCAL(this);
579 std::string vhost = oper->getConfig("vhost");
581 l->ChangeDisplayedHost(vhost.c_str());
582 std::string opClass = oper->getConfig("class");
583 if (!opClass.empty())
584 l->SetClass(opClass);
587 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
588 nick.c_str(), ident.c_str(), host.c_str(), oper->NameStr(), opername.c_str());
589 this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->NameStr());
591 ServerInstance->Logs->Log("OPER", DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->NameStr());
592 ServerInstance->Users->all_opers.push_back(this);
594 // Expand permissions from config for faster lookup
598 FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
601 void OperInfo::init()
603 AllowedOperCommands.clear();
604 AllowedPrivs.clear();
605 AllowedUserModes.reset();
606 AllowedChanModes.reset();
607 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
609 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
611 ConfigTag* tag = *iter;
612 std::string mycmd, mypriv;
613 /* Process commands */
614 irc::spacesepstream CommandList(tag->getString("commands"));
615 while (CommandList.GetToken(mycmd))
617 AllowedOperCommands.insert(mycmd);
620 irc::spacesepstream PrivList(tag->getString("privs"));
621 while (PrivList.GetToken(mypriv))
623 AllowedPrivs.insert(mypriv);
626 std::string modes = tag->getString("usermodes");
627 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
631 this->AllowedUserModes.set();
633 else if (*c >= 'A' && *c < 'z')
635 this->AllowedUserModes[*c - 'A'] = true;
639 modes = tag->getString("chanmodes");
640 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
644 this->AllowedChanModes.set();
646 else if (*c >= 'A' && *c < 'z')
648 this->AllowedChanModes[*c - 'A'] = true;
660 * unset their oper type (what IS_OPER checks).
661 * note, order is important - this must come before modes as -o attempts
662 * to call UnOper. -- w00t
667 /* Remove all oper only modes from the user when the deoper - Bug #466*/
668 std::string moderemove("-");
670 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
672 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
673 if (mh && mh->NeedsOper())
674 moderemove += letter;
678 std::vector<std::string> parameters;
679 parameters.push_back(this->nick);
680 parameters.push_back(moderemove);
682 ServerInstance->Parser->CallHandler("MODE", parameters, this);
684 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
685 ServerInstance->Users->all_opers.remove(this);
687 this->modes[UM_OPERATOR] = 0;
690 /* adds or updates an entry in the whowas list */
691 void User::AddToWhoWas()
693 Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so");
696 WhowasRequest req(NULL, whowas, WhowasRequest::WHOWAS_ADD);
703 * Check class restrictions
705 void LocalUser::CheckClass()
707 ConnectClass* a = this->MyClass;
711 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
714 else if (a->type == CC_DENY)
716 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
719 else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
721 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
723 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
726 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
728 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
730 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString());
734 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
737 bool User::CheckLines(bool doZline)
739 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
743 for (int n = 0; check[n]; ++n)
745 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
758 void LocalUser::FullConnect()
760 ServerInstance->stats->statsConnects++;
761 this->idle_lastmsg = ServerInstance->Time();
764 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
765 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
766 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
767 * Don't remove this! -- w00t
777 if (ServerInstance->Config->WelcomeNotice)
778 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network.c_str());
779 this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
780 this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH);
781 this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
783 std::string umlist = ServerInstance->Modes->UserModeList();
784 std::string cmlist = ServerInstance->Modes->ChannelModeList();
785 std::string pmlist = ServerInstance->Modes->ParaModeList();
786 this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), BRANCH, umlist.c_str(), cmlist.c_str(), pmlist.c_str());
788 ServerInstance->Config->Send005(this);
789 this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
792 if (ServerInstance->Users->unregistered_count)
793 ServerInstance->Users->unregistered_count--;
795 /* Trigger MOTD and LUSERS output, give modules a chance too */
796 ModResult MOD_RESULT;
797 std::string command("MOTD");
798 std::vector<std::string> parameters;
799 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
801 ServerInstance->Parser->CallHandler(command, parameters, this);
803 MOD_RESULT = MOD_RES_PASSTHRU;
805 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
807 ServerInstance->Parser->CallHandler(command, parameters, this);
809 if (ServerInstance->Config->RawLog)
810 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
813 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
814 * for a user that doesn't exist yet.
816 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
818 this->registered = REG_ALL;
820 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
822 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
823 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString(), this->fullname.c_str());
824 ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
825 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
826 // reset the flood penalty (which could have been raised due to things like auto +x)
827 CommandFloodPenalty = 0;
830 void User::InvalidateCache()
832 /* Invalidate cache */
833 cached_fullhost.clear();
834 cached_hostip.clear();
835 cached_makehost.clear();
836 cached_fullrealhost.clear();
839 bool User::ChangeNick(const std::string& newnick, bool force)
841 ModResult MOD_RESULT;
844 ServerInstance->NICKForced.set(this, 1);
845 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
846 ServerInstance->NICKForced.set(this, 0);
848 if (MOD_RESULT == MOD_RES_DENY)
850 ServerInstance->stats->statsCollisions++;
854 if (assign(newnick) == assign(nick))
856 // case change, don't need to check Q:lines and such
857 // and, if it's identical including case, we can leave right now
864 * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
865 * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
866 * Thanks Kein for finding this. -- w00t
868 * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
871 if (IS_LOCAL(this) && !force)
873 XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
876 if (this->registered == REG_ALL)
878 ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
879 newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
881 this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
885 if (ServerInstance->Config->RestrictBannedUsers)
887 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
890 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
892 this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
900 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
901 * then we have a potential collide. Check whether someone else is camping on the nick
902 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
903 * camper to their UID, and allow the incoming nick change.
905 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
906 * because the nick is already (rightfully) in use. -- w00t
908 User* InUse = ServerInstance->FindNickOnly(newnick);
909 if (InUse && (InUse != this))
911 if (InUse->registered != REG_ALL)
913 /* force the camper to their UUID, and ask them to re-send a NICK. */
914 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
915 InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
917 ServerInstance->Users->clientlist->erase(InUse->nick);
918 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
920 InUse->nick = InUse->uuid;
921 InUse->InvalidateCache();
922 InUse->registered &= ~REG_NICK;
926 /* No camping, tell the incoming user to stop trying to change nick ;p */
927 this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
933 if (this->registered == REG_ALL)
934 this->WriteCommon("NICK %s",newnick.c_str());
935 std::string oldnick = nick;
939 ServerInstance->Users->clientlist->erase(oldnick);
940 (*(ServerInstance->Users->clientlist))[newnick] = this;
942 if (registered == REG_ALL)
943 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
948 int LocalUser::GetServerPort()
950 switch (this->server_sa.sa.sa_family)
953 return htons(this->server_sa.in6.sin6_port);
955 return htons(this->server_sa.in4.sin_port);
960 const char* User::GetIPString()
963 if (cachedip.empty())
965 irc::sockets::satoap(client_sa, cachedip, port);
966 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
967 if (cachedip.c_str()[0] == ':')
968 cachedip.insert(0,1,'0');
971 return cachedip.c_str();
974 irc::sockets::cidr_mask User::GetCIDRMask()
977 switch (client_sa.sa.sa_family)
980 range = ServerInstance->Config->c_ipv6_range;
983 range = ServerInstance->Config->c_ipv4_range;
986 return irc::sockets::cidr_mask(client_sa, range);
989 bool User::SetClientIP(const char* sip)
992 cached_hostip.clear();
993 return irc::sockets::aptosa(sip, 0, client_sa);
996 void User::SetClientIP(const irc::sockets::sockaddrs& sa)
999 cached_hostip.clear();
1000 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
1003 bool LocalUser::SetClientIP(const char* sip)
1005 irc::sockets::sockaddrs sa;
1006 if (!irc::sockets::aptosa(sip, 0, sa))
1010 LocalUser::SetClientIP(sa);
1014 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa)
1016 if (sa != client_sa)
1018 User::SetClientIP(sa);
1019 FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(this));
1023 static std::string wide_newline("\r\n");
1025 void User::Write(const std::string& text)
1029 void User::Write(const char *text, ...)
1033 void LocalUser::Write(const std::string& text)
1035 if (!ServerInstance->SE->BoundsCheckFd(&eh))
1038 if (text.length() > MAXBUF - 2)
1040 // this should happen rarely or never. Crop the string at 512 and try again.
1041 std::string try_again = text.substr(0, MAXBUF - 2);
1046 ServerInstance->Logs->Log("USEROUTPUT", RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
1048 eh.AddWriteBuf(text);
1049 eh.AddWriteBuf(wide_newline);
1051 ServerInstance->stats->statsSent += text.length() + 2;
1052 this->bytes_out += text.length() + 2;
1058 void LocalUser::Write(const char *text, ...)
1061 char textbuffer[MAXBUF];
1063 va_start(argsPtr, text);
1064 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1067 this->Write(std::string(textbuffer));
1070 void User::WriteServ(const std::string& text)
1072 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
1076 * Same as Write(), except `text' is prefixed with `:server.name '.
1078 void User::WriteServ(const char* text, ...)
1081 char textbuffer[MAXBUF];
1083 va_start(argsPtr, text);
1084 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1087 this->WriteServ(std::string(textbuffer));
1091 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
1094 char textbuffer[MAXBUF];
1096 va_start(argsPtr, text);
1097 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1100 this->WriteNumeric(numeric, std::string(textbuffer));
1103 void User::WriteNumeric(unsigned int numeric, const std::string &text)
1105 char textbuffer[MAXBUF];
1106 ModResult MOD_RESULT;
1108 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
1110 if (MOD_RESULT == MOD_RES_DENY)
1113 snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName.c_str(), numeric, text.c_str());
1114 this->Write(std::string(textbuffer));
1117 void User::WriteFrom(User *user, const std::string &text)
1121 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str());
1123 this->Write(std::string(tb));
1127 /* write text from an originating user to originating user */
1129 void User::WriteFrom(User *user, const char* text, ...)
1132 char textbuffer[MAXBUF];
1134 va_start(argsPtr, text);
1135 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1138 this->WriteFrom(user, std::string(textbuffer));
1142 /* write text to an destination user from a source user (e.g. user privmsg) */
1144 void User::WriteTo(User *dest, const char *data, ...)
1146 char textbuffer[MAXBUF];
1149 va_start(argsPtr, data);
1150 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1153 this->WriteTo(dest, std::string(textbuffer));
1156 void User::WriteTo(User *dest, const std::string &data)
1158 dest->WriteFrom(this, data);
1161 void User::WriteCommon(const char* text, ...)
1163 char textbuffer[MAXBUF];
1166 if (this->registered != REG_ALL || quitting)
1169 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1171 va_start(argsPtr, text);
1172 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1175 this->WriteCommonRaw(std::string(textbuffer), true);
1178 void User::WriteCommonExcept(const char* text, ...)
1180 char textbuffer[MAXBUF];
1183 if (this->registered != REG_ALL || quitting)
1186 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1188 va_start(argsPtr, text);
1189 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1192 this->WriteCommonRaw(std::string(textbuffer), false);
1195 void User::WriteCommonRaw(const std::string &line, bool include_self)
1197 if (this->registered != REG_ALL || quitting)
1200 LocalUser::already_sent_id++;
1202 UserChanList include_c(chans);
1203 std::map<User*,bool> exceptions;
1205 exceptions[this] = include_self;
1207 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1209 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1211 LocalUser* u = IS_LOCAL(i->first);
1212 if (u && !u->quitting)
1214 u->already_sent = LocalUser::already_sent_id;
1219 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1222 const UserMembList* ulist = c->GetUsers();
1223 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1225 LocalUser* u = IS_LOCAL(i->first);
1226 if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
1228 u->already_sent = LocalUser::already_sent_id;
1235 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1240 if (this->registered != REG_ALL)
1243 already_sent_t uniq_id = ++LocalUser::already_sent_id;
1245 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str());
1246 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str());
1247 std::string out1 = tb1;
1248 std::string out2 = tb2;
1250 UserChanList include_c(chans);
1251 std::map<User*,bool> exceptions;
1253 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1255 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1257 LocalUser* u = IS_LOCAL(i->first);
1258 if (u && !u->quitting)
1260 u->already_sent = uniq_id;
1262 u->Write(IS_OPER(u) ? out2 : out1);
1265 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1267 const UserMembList* ulist = (*v)->GetUsers();
1268 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1270 LocalUser* u = IS_LOCAL(i->first);
1271 if (u && !u->quitting && (u->already_sent != uniq_id))
1273 u->already_sent = uniq_id;
1274 u->Write(IS_OPER(u) ? out2 : out1);
1280 void LocalUser::SendText(const std::string& line)
1285 void RemoteUser::SendText(const std::string& line)
1287 ServerInstance->PI->PushToClient(this, line);
1290 void FakeUser::SendText(const std::string& line)
1294 void User::SendText(const char *text, ...)
1299 va_start(argsPtr, text);
1300 vsnprintf(line, MAXBUF, text, argsPtr);
1303 SendText(std::string(line));
1306 void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream)
1309 int start_pos = LinePrefix.length();
1310 int pos = start_pos;
1311 memcpy(line, LinePrefix.data(), pos);
1313 while (TextStream >> Word)
1315 int len = Word.length();
1316 if (pos + len + 12 > MAXBUF)
1319 SendText(std::string(line));
1323 memcpy(line + pos + 1, Word.data(), len);
1327 SendText(std::string(line));
1330 /* return 0 or 1 depending if users u and u2 share one or more common channels
1331 * (used by QUIT, NICK etc which arent channel specific notices)
1333 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1334 * the first users channels then the second users channels within the outer loop,
1335 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1336 * all possible iterations). However this new function instead checks against the
1337 * channel's userlist in the inner loop which is a std::map<User*,User*>
1338 * and saves us time as we already know what pointer value we are after.
1339 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1340 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1342 bool User::SharesChannelWith(User *other)
1344 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1348 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1350 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1351 * by replacing it with a map::find which *should* be more efficient
1353 if ((*i)->HasUser(other))
1359 bool User::ChangeName(const char* gecos)
1361 if (!this->fullname.compare(gecos))
1366 ModResult MOD_RESULT;
1367 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1368 if (MOD_RESULT == MOD_RES_DENY)
1370 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1372 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1377 void User::DoHostCycle(const std::string &quitline)
1379 char buffer[MAXBUF];
1381 if (!ServerInstance->Config->CycleHosts)
1384 already_sent_t silent_id = ++LocalUser::already_sent_id;
1385 already_sent_t seen_id = ++LocalUser::already_sent_id;
1387 UserChanList include_c(chans);
1388 std::map<User*,bool> exceptions;
1390 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1392 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1394 LocalUser* u = IS_LOCAL(i->first);
1395 if (u && !u->quitting)
1399 u->already_sent = seen_id;
1404 u->already_sent = silent_id;
1408 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1411 snprintf(buffer, MAXBUF, ":%s JOIN %s", GetFullHost().c_str(), c->name.c_str());
1412 std::string joinline(buffer);
1413 Membership* memb = c->GetUser(this);
1414 std::string modeline = memb->modes;
1415 if (modeline.length() > 0)
1417 for(unsigned int i=0; i < memb->modes.length(); i++)
1418 modeline.append(" ").append(nick);
1419 snprintf(buffer, MAXBUF, ":%s MODE %s +%s",
1420 ServerInstance->Config->CycleHostsFromUser ? GetFullHost().c_str() : ServerInstance->Config->ServerName.c_str(),
1421 c->name.c_str(), modeline.c_str());
1425 const UserMembList *ulist = c->GetUsers();
1426 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1428 LocalUser* u = IS_LOCAL(i->first);
1429 if (u == NULL || u == this)
1431 if (u->already_sent == silent_id)
1434 if (u->already_sent != seen_id)
1437 u->already_sent = seen_id;
1440 if (modeline.length() > 0)
1446 bool User::ChangeDisplayedHost(const char* shost)
1453 ModResult MOD_RESULT;
1454 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1455 if (MOD_RESULT == MOD_RES_DENY)
1459 FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1461 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
1463 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1464 this->dhost.assign(shost, 0, 64);
1466 this->InvalidateCache();
1468 this->DoHostCycle(quitstr);
1471 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1476 bool User::ChangeIdent(const char* newident)
1478 if (this->ident == newident)
1481 FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
1483 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
1485 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax + 1);
1487 this->InvalidateCache();
1489 this->DoHostCycle(quitstr);
1494 void User::SendAll(const char* command, const char* text, ...)
1496 char textbuffer[MAXBUF];
1497 char formatbuffer[MAXBUF];
1500 va_start(argsPtr, text);
1501 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1504 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer);
1505 std::string fmt = formatbuffer;
1507 for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1509 if ((*i)->registered == REG_ALL)
1515 std::string User::ChannelList(User* source, bool spy)
1519 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1522 /* If the target is the sender, neither +p nor +s is set, or
1523 * the channel contains the user, it is not a spy channel
1525 if (spy != (source == this || !(c->IsModeSet('p') || c->IsModeSet('s')) || c->HasUser(source)))
1526 list.append(c->GetPrefixChar(this)).append(c->name).append(" ");
1532 void User::SplitChanList(User* dest, const std::string &cl)
1535 std::ostringstream prefix;
1536 std::string::size_type start, pos, length;
1538 prefix << this->nick << " " << dest->nick << " :";
1539 line = prefix.str();
1540 int namelen = ServerInstance->Config->ServerName.length() + 6;
1542 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1544 length = (pos == std::string::npos) ? cl.length() : pos;
1546 if (line.length() + namelen + length - start > 510)
1548 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1549 line = prefix.str();
1552 if(pos == std::string::npos)
1554 line.append(cl.substr(start, length - start));
1559 line.append(cl.substr(start, length - start + 1));
1563 if (line.length() != prefix.str().length())
1565 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1570 * Sets a user's connection class.
1571 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1572 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1573 * then their ip will be taken as 'priority' anyway, so for example,
1574 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1576 void LocalUser::SetClass(const std::string &explicit_name)
1578 ConnectClass *found = NULL;
1580 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1582 if (!explicit_name.empty())
1584 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1586 ConnectClass* c = *i;
1588 if (explicit_name == c->name)
1590 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Explicitly set to %s", explicit_name.c_str());
1597 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1599 ConnectClass* c = *i;
1600 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Checking %s", c->GetName().c_str());
1602 ModResult MOD_RESULT;
1603 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1604 if (MOD_RESULT == MOD_RES_DENY)
1606 if (MOD_RESULT == MOD_RES_ALLOW)
1608 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Class forced by module to %s", c->GetName().c_str());
1613 if (c->type == CC_NAMED)
1616 bool regdone = (registered != REG_NONE);
1617 if (c->config->getBool("registered", regdone) != regdone)
1620 /* check if host matches.. */
1621 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1622 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1624 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "No host match (for %s)", c->GetHost().c_str());
1629 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1630 * because we should attempt to find another class if this one doesn't match us. -- w00t
1632 if (c->limit && (c->GetReferenceCount() >= c->limit))
1634 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1638 /* if it requires a port ... */
1639 int port = c->config->getInt("port");
1642 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Requires port (%d)", port);
1644 /* and our port doesn't match, fail. */
1645 if (this->GetServerPort() != port)
1649 if (regdone && !c->config->getString("password").empty())
1651 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1653 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Bad password, skipping");
1658 /* we stop at the first class that meets ALL critera. */
1665 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1673 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1674 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1675 * then their ip will be taken as 'priority' anyway, so for example,
1676 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1678 ConnectClass* LocalUser::GetClass()
1683 ConnectClass* User::GetClass()
1688 void User::PurgeEmptyChannels()
1690 // firstly decrement the count on each channel
1691 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1700 const std::string& FakeUser::GetFullHost()
1702 if (!ServerInstance->Config->HideWhoisServer.empty())
1703 return ServerInstance->Config->HideWhoisServer;
1707 const std::string& FakeUser::GetFullRealHost()
1709 if (!ServerInstance->Config->HideWhoisServer.empty())
1710 return ServerInstance->Config->HideWhoisServer;
1714 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1715 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1716 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1717 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0), limit(0)
1721 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1722 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1723 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1724 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1725 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1726 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1731 void ConnectClass::Update(const ConnectClass* src)
1733 config = src->config;
1735 fakelag = src->fakelag;
1737 registration_timeout = src->registration_timeout;
1739 pingtime = src->pingtime;
1740 softsendqmax = src->softsendqmax;
1741 hardsendqmax = src->hardsendqmax;
1742 recvqmax = src->recvqmax;
1743 penaltythreshold = src->penaltythreshold;
1744 commandrate = src->commandrate;
1745 maxlocal = src->maxlocal;
1746 maxglobal = src->maxglobal;
1747 maxconnwarn = src->maxconnwarn;
1748 maxchans = src->maxchans;