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 const char* User::FormatNoticeMasks()
127 static char data[MAXBUF];
130 for (int n = 0; n < 64; n++)
133 data[offset++] = n+65;
140 bool User::IsModeSet(unsigned char m)
144 return (modes[m-65]);
147 void User::SetMode(unsigned char m, bool value)
154 const char* User::FormatModes(bool showparameters)
156 static char data[MAXBUF];
160 for (unsigned char n = 0; n < 64; n++)
164 data[offset++] = n + 65;
165 ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
166 if (showparameters && mh && mh->GetNumParams(true))
168 std::string p = mh->GetUserParameter(this);
170 params.append(" ").append(p);
175 strlcat(data, params.c_str(), MAXBUF);
179 User::User(const std::string &uid, const std::string& sid, int type)
180 : uuid(uid), server(sid), usertype(type)
182 age = ServerInstance->Time();
185 quietquit = quitting = false;
186 client_sa.sa.sa_family = AF_UNSPEC;
188 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
190 user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid);
191 if (finduuid == ServerInstance->Users->uuidlist->end())
192 (*ServerInstance->Users->uuidlist)[uuid] = this;
194 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
197 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
198 : User(ServerInstance->UIDGen.GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
199 localuseriter(ServerInstance->Users->local_users.end()),
200 bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
203 exempt = quitting_sendq = false;
208 memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
209 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
210 dhost = host = GetIPString();
215 if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
216 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str());
219 const std::string& User::MakeHost()
221 if (!this->cached_makehost.empty())
222 return this->cached_makehost;
225 /* This is much faster than snprintf */
227 for(const char* n = ident.c_str(); *n; n++)
230 for(const char* n = host.c_str(); *n; n++)
234 this->cached_makehost.assign(nhost);
236 return this->cached_makehost;
239 const std::string& User::MakeHostIP()
241 if (!this->cached_hostip.empty())
242 return this->cached_hostip;
245 /* This is much faster than snprintf */
247 for(const char* n = ident.c_str(); *n; n++)
250 for(const char* n = this->GetIPString().c_str(); *n; n++)
254 this->cached_hostip = ihost;
256 return this->cached_hostip;
259 const std::string& User::GetFullHost()
261 if (!this->cached_fullhost.empty())
262 return this->cached_fullhost;
266 for(const char* n = nick.c_str(); *n; n++)
269 for(const char* n = ident.c_str(); *n; n++)
272 for(const char* n = dhost.c_str(); *n; n++)
276 this->cached_fullhost = result;
278 return this->cached_fullhost;
281 char* User::MakeWildHost()
283 static char nresult[MAXBUF];
285 *t++ = '*'; *t++ = '!';
286 *t++ = '*'; *t++ = '@';
287 for(const char* n = dhost.c_str(); *n; n++)
293 const std::string& User::GetFullRealHost()
295 if (!this->cached_fullrealhost.empty())
296 return this->cached_fullrealhost;
298 char fresult[MAXBUF];
300 for(const char* n = nick.c_str(); *n; n++)
303 for(const char* n = ident.c_str(); *n; n++)
306 for(const char* n = host.c_str(); *n; n++)
310 this->cached_fullrealhost = fresult;
312 return this->cached_fullrealhost;
315 InviteList& LocalUser::GetInviteList()
317 RemoveExpiredInvites();
321 bool LocalUser::RemoveInvite(Channel* chan)
323 Invitation* inv = Invitation::Find(chan, this);
333 void LocalUser::RemoveExpiredInvites()
335 Invitation::Find(NULL, this);
338 bool User::HasModePermission(unsigned char, ModeType)
343 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
348 if (mode < 'A' || mode > ('A' + 64)) return false;
350 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
354 * users on remote servers can completely bypass all permissions based checks.
355 * This prevents desyncs when one server has different type/class tags to another.
356 * That having been said, this does open things up to the possibility of source changes
357 * allowing remote kills, etc - but if they have access to the src, they most likely have
358 * access to the conf - so it's an end to a means either way.
360 bool User::HasPermission(const std::string&)
365 bool LocalUser::HasPermission(const std::string &command)
367 // are they even an oper at all?
373 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
375 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
381 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
386 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
391 this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str());
395 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
399 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
405 this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), oper->NameStr(), privstr.c_str());
409 void UserIOHandler::OnDataReady()
414 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
416 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
417 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
418 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
420 unsigned long sendqmax = ULONG_MAX;
421 if (!user->HasPrivPermission("users/flood/increased-buffers"))
422 sendqmax = user->MyClass->GetSendqSoftMax();
423 unsigned long penaltymax = ULONG_MAX;
424 if (!user->HasPrivPermission("users/flood/no-fakelag"))
425 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
427 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
430 line.reserve(MAXBUF);
431 std::string::size_type qpos = 0;
432 while (qpos < recvq.length())
434 char c = recvq[qpos++];
445 if (line.length() < MAXBUF - 2)
448 // if we got here, the recvq ran out before we found a newline
451 // just found a newline. Terminate the string, and pull it out of recvq
452 recvq = recvq.substr(qpos);
454 // TODO should this be moved to when it was inserted in recvq?
455 ServerInstance->stats->statsRecv += qpos;
456 user->bytes_in += qpos;
459 ServerInstance->Parser->ProcessBuffer(line, user);
463 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
464 ServerInstance->Users->QuitUser(user, "Excess Flood");
467 void UserIOHandler::AddWriteBuf(const std::string &data)
469 if (user->quitting_sendq)
471 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
472 !user->HasPrivPermission("users/flood/increased-buffers"))
474 user->quitting_sendq = true;
475 ServerInstance->GlobalCulls.AddSQItem(user);
479 // We still want to append data to the sendq of a quitting user,
480 // e.g. their ERROR message that says 'closing link'
485 void UserIOHandler::OnError(BufferedSocketError)
487 ServerInstance->Users->QuitUser(user, getError());
490 CullResult User::cull()
493 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
494 PurgeEmptyChannels();
496 if (client_sa.sa.sa_family != AF_UNSPEC)
497 ServerInstance->Users->RemoveCloneCounts(this);
499 return Extensible::cull();
502 CullResult LocalUser::cull()
504 // The iterator is initialized to local_users.end() in the constructor. It is
505 // overwritten in UserManager::AddUser() with the real iterator so this check
506 // is only a precaution currently.
507 if (localuseriter != ServerInstance->Users->local_users.end())
508 ServerInstance->Users->local_users.erase(localuseriter);
515 CullResult FakeUser::cull()
517 // Fake users don't quit, they just get culled.
519 ServerInstance->Users->clientlist->erase(nick);
520 ServerInstance->Users->uuidlist->erase(uuid);
524 void User::Oper(OperInfo* info)
526 if (this->IsModeSet('o'))
529 this->modes[UM_OPERATOR] = 1;
531 this->WriteServ("MODE %s :+o", this->nick.c_str());
532 FOREACH_MOD(I_OnOper, OnOper(this, info->name));
534 std::string opername;
535 if (info->oper_block)
536 opername = info->oper_block->getString("name");
540 LocalUser* l = IS_LOCAL(this);
541 std::string vhost = oper->getConfig("vhost");
543 l->ChangeDisplayedHost(vhost.c_str());
544 std::string opClass = oper->getConfig("class");
545 if (!opClass.empty())
546 l->SetClass(opClass);
549 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
550 nick.c_str(), ident.c_str(), host.c_str(), oper->NameStr(), opername.c_str());
551 this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->NameStr());
553 ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->NameStr());
554 ServerInstance->Users->all_opers.push_back(this);
556 // Expand permissions from config for faster lookup
560 FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
563 void OperInfo::init()
565 AllowedOperCommands.clear();
566 AllowedPrivs.clear();
567 AllowedUserModes.reset();
568 AllowedChanModes.reset();
569 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
571 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
573 ConfigTag* tag = *iter;
574 std::string mycmd, mypriv;
575 /* Process commands */
576 irc::spacesepstream CommandList(tag->getString("commands"));
577 while (CommandList.GetToken(mycmd))
579 AllowedOperCommands.insert(mycmd);
582 irc::spacesepstream PrivList(tag->getString("privs"));
583 while (PrivList.GetToken(mypriv))
585 AllowedPrivs.insert(mypriv);
588 std::string modes = tag->getString("usermodes");
589 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
593 this->AllowedUserModes.set();
595 else if (*c >= 'A' && *c < 'z')
597 this->AllowedUserModes[*c - 'A'] = true;
601 modes = tag->getString("chanmodes");
602 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
606 this->AllowedChanModes.set();
608 else if (*c >= 'A' && *c < 'z')
610 this->AllowedChanModes[*c - 'A'] = true;
622 * unset their oper type (what IS_OPER checks).
623 * note, order is important - this must come before modes as -o attempts
624 * to call UnOper. -- w00t
629 /* Remove all oper only modes from the user when the deoper - Bug #466*/
630 std::string moderemove("-");
632 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
634 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
635 if (mh && mh->NeedsOper())
636 moderemove += letter;
640 std::vector<std::string> parameters;
641 parameters.push_back(this->nick);
642 parameters.push_back(moderemove);
644 ServerInstance->Parser->CallHandler("MODE", parameters, this);
646 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
647 ServerInstance->Users->all_opers.remove(this);
649 this->modes[UM_OPERATOR] = 0;
653 * Check class restrictions
655 void LocalUser::CheckClass()
657 ConnectClass* a = this->MyClass;
661 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
664 else if (a->type == CC_DENY)
666 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
669 else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
671 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
673 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
676 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
678 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
680 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
684 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
687 bool LocalUser::CheckLines(bool doZline)
689 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
693 for (int n = 0; check[n]; ++n)
695 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
708 void LocalUser::FullConnect()
710 ServerInstance->stats->statsConnects++;
711 this->idle_lastmsg = ServerInstance->Time();
714 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
715 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
716 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
717 * Don't remove this! -- w00t
727 this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
728 this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH);
729 this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
731 std::string umlist = ServerInstance->Modes->UserModeList();
732 std::string cmlist = ServerInstance->Modes->ChannelModeList();
733 std::string pmlist = ServerInstance->Modes->ParaModeList();
734 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());
736 ServerInstance->ISupport.SendTo(this);
737 this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
740 if (ServerInstance->Users->unregistered_count)
741 ServerInstance->Users->unregistered_count--;
743 /* Trigger MOTD and LUSERS output, give modules a chance too */
744 ModResult MOD_RESULT;
745 std::string command("LUSERS");
746 std::vector<std::string> parameters;
747 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
749 ServerInstance->Parser->CallHandler(command, parameters, this);
751 MOD_RESULT = MOD_RES_PASSTHRU;
753 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
755 ServerInstance->Parser->CallHandler(command, parameters, this);
757 if (ServerInstance->Config->RawLog)
758 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
761 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
762 * for a user that doesn't exist yet.
764 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
766 this->registered = REG_ALL;
768 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
770 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
771 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
772 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
773 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
774 // reset the flood penalty (which could have been raised due to things like auto +x)
775 CommandFloodPenalty = 0;
778 void User::InvalidateCache()
780 /* Invalidate cache */
781 cached_fullhost.clear();
782 cached_hostip.clear();
783 cached_makehost.clear();
784 cached_fullrealhost.clear();
787 bool User::ChangeNick(const std::string& newnick, bool force)
789 ModResult MOD_RESULT;
792 ServerInstance->NICKForced.set(this, 1);
793 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
794 ServerInstance->NICKForced.set(this, 0);
796 if (MOD_RESULT == MOD_RES_DENY)
798 ServerInstance->stats->statsCollisions++;
802 if (assign(newnick) == assign(nick))
804 // case change, don't need to check Q:lines and such
805 // and, if it's identical including case, we can leave right now
812 * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
813 * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
814 * Thanks Kein for finding this. -- w00t
816 * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
819 if (IS_LOCAL(this) && !force)
821 XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
824 if (this->registered == REG_ALL)
826 ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
827 newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
829 this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
833 if (ServerInstance->Config->RestrictBannedUsers)
835 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
838 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
840 this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
848 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
849 * then we have a potential collide. Check whether someone else is camping on the nick
850 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
851 * camper to their UID, and allow the incoming nick change.
853 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
854 * because the nick is already (rightfully) in use. -- w00t
856 User* InUse = ServerInstance->FindNickOnly(newnick);
857 if (InUse && (InUse != this))
859 if (InUse->registered != REG_ALL)
861 /* force the camper to their UUID, and ask them to re-send a NICK. */
862 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
863 InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
865 ServerInstance->Users->clientlist->erase(InUse->nick);
866 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
868 InUse->nick = InUse->uuid;
869 InUse->InvalidateCache();
870 InUse->registered &= ~REG_NICK;
874 /* No camping, tell the incoming user to stop trying to change nick ;p */
875 this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
881 if (this->registered == REG_ALL)
882 this->WriteCommon("NICK %s",newnick.c_str());
883 std::string oldnick = nick;
887 ServerInstance->Users->clientlist->erase(oldnick);
888 (*(ServerInstance->Users->clientlist))[newnick] = this;
890 if (registered == REG_ALL)
891 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
896 int LocalUser::GetServerPort()
898 switch (this->server_sa.sa.sa_family)
901 return htons(this->server_sa.in6.sin6_port);
903 return htons(this->server_sa.in4.sin_port);
908 const std::string& User::GetIPString()
911 if (cachedip.empty())
913 irc::sockets::satoap(client_sa, cachedip, port);
914 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
915 if (cachedip[0] == ':')
916 cachedip.insert(0,1,'0');
922 irc::sockets::cidr_mask User::GetCIDRMask()
925 switch (client_sa.sa.sa_family)
928 range = ServerInstance->Config->c_ipv6_range;
931 range = ServerInstance->Config->c_ipv4_range;
934 return irc::sockets::cidr_mask(client_sa, range);
937 bool User::SetClientIP(const char* sip, bool recheck_eline)
940 cached_hostip.clear();
941 return irc::sockets::aptosa(sip, 0, client_sa);
944 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
947 cached_hostip.clear();
948 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
951 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
953 irc::sockets::sockaddrs sa;
954 if (!irc::sockets::aptosa(sip, 0, sa))
958 LocalUser::SetClientIP(sa, recheck_eline);
962 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
966 User::SetClientIP(sa);
968 this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
970 FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(this));
974 static std::string wide_newline("\r\n");
976 void User::Write(const std::string& text)
980 void User::Write(const char *text, ...)
984 void LocalUser::Write(const std::string& text)
986 if (!ServerInstance->SE->BoundsCheckFd(&eh))
989 if (text.length() > MAXBUF - 2)
991 // this should happen rarely or never. Crop the string at 512 and try again.
992 std::string try_again = text.substr(0, MAXBUF - 2);
997 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
999 eh.AddWriteBuf(text);
1000 eh.AddWriteBuf(wide_newline);
1002 ServerInstance->stats->statsSent += text.length() + 2;
1003 this->bytes_out += text.length() + 2;
1009 void LocalUser::Write(const char *text, ...)
1012 char textbuffer[MAXBUF];
1014 va_start(argsPtr, text);
1015 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1018 this->Write(std::string(textbuffer));
1021 void User::WriteServ(const std::string& text)
1023 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
1027 * Same as Write(), except `text' is prefixed with `:server.name '.
1029 void User::WriteServ(const char* text, ...)
1032 char textbuffer[MAXBUF];
1034 va_start(argsPtr, text);
1035 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1038 this->WriteServ(std::string(textbuffer));
1042 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
1045 char textbuffer[MAXBUF];
1047 va_start(argsPtr, text);
1048 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1051 this->WriteNumeric(numeric, std::string(textbuffer));
1054 void User::WriteNumeric(unsigned int numeric, const std::string &text)
1056 char textbuffer[MAXBUF];
1057 ModResult MOD_RESULT;
1059 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
1061 if (MOD_RESULT == MOD_RES_DENY)
1064 snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName.c_str(), numeric, text.c_str());
1065 this->Write(std::string(textbuffer));
1068 void User::WriteFrom(User *user, const std::string &text)
1072 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str());
1074 this->Write(std::string(tb));
1078 /* write text from an originating user to originating user */
1080 void User::WriteFrom(User *user, const char* text, ...)
1083 char textbuffer[MAXBUF];
1085 va_start(argsPtr, text);
1086 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1089 this->WriteFrom(user, std::string(textbuffer));
1093 /* write text to an destination user from a source user (e.g. user privmsg) */
1095 void User::WriteTo(User *dest, const char *data, ...)
1097 char textbuffer[MAXBUF];
1100 va_start(argsPtr, data);
1101 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1104 this->WriteTo(dest, std::string(textbuffer));
1107 void User::WriteTo(User *dest, const std::string &data)
1109 dest->WriteFrom(this, data);
1112 void User::WriteCommon(const char* text, ...)
1114 char textbuffer[MAXBUF];
1117 if (this->registered != REG_ALL || quitting)
1120 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1122 va_start(argsPtr, text);
1123 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1126 this->WriteCommonRaw(std::string(textbuffer), true);
1129 void User::WriteCommonExcept(const char* text, ...)
1131 char textbuffer[MAXBUF];
1134 if (this->registered != REG_ALL || quitting)
1137 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1139 va_start(argsPtr, text);
1140 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1143 this->WriteCommonRaw(std::string(textbuffer), false);
1146 void User::WriteCommonRaw(const std::string &line, bool include_self)
1148 if (this->registered != REG_ALL || quitting)
1151 LocalUser::already_sent_id++;
1153 UserChanList include_c(chans);
1154 std::map<User*,bool> exceptions;
1156 exceptions[this] = include_self;
1158 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1160 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1162 LocalUser* u = IS_LOCAL(i->first);
1163 if (u && !u->quitting)
1165 u->already_sent = LocalUser::already_sent_id;
1170 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1173 const UserMembList* ulist = c->GetUsers();
1174 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1176 LocalUser* u = IS_LOCAL(i->first);
1177 if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
1179 u->already_sent = LocalUser::already_sent_id;
1186 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1191 if (this->registered != REG_ALL)
1194 already_sent_t uniq_id = ++LocalUser::already_sent_id;
1196 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str());
1197 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str());
1198 std::string out1 = tb1;
1199 std::string out2 = tb2;
1201 UserChanList include_c(chans);
1202 std::map<User*,bool> exceptions;
1204 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1206 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1208 LocalUser* u = IS_LOCAL(i->first);
1209 if (u && !u->quitting)
1211 u->already_sent = uniq_id;
1213 u->Write(u->IsOper() ? out2 : out1);
1216 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1218 const UserMembList* ulist = (*v)->GetUsers();
1219 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1221 LocalUser* u = IS_LOCAL(i->first);
1222 if (u && !u->quitting && (u->already_sent != uniq_id))
1224 u->already_sent = uniq_id;
1225 u->Write(u->IsOper() ? out2 : out1);
1231 void LocalUser::SendText(const std::string& line)
1236 void RemoteUser::SendText(const std::string& line)
1238 ServerInstance->PI->PushToClient(this, line);
1241 void FakeUser::SendText(const std::string& line)
1245 void User::SendText(const char *text, ...)
1250 va_start(argsPtr, text);
1251 vsnprintf(line, MAXBUF, text, argsPtr);
1254 SendText(std::string(line));
1257 void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream)
1260 int start_pos = LinePrefix.length();
1261 int pos = start_pos;
1262 memcpy(line, LinePrefix.data(), pos);
1264 while (TextStream >> Word)
1266 int len = Word.length();
1267 if (pos + len + 12 > MAXBUF)
1270 SendText(std::string(line));
1274 memcpy(line + pos + 1, Word.data(), len);
1278 SendText(std::string(line));
1281 /* return 0 or 1 depending if users u and u2 share one or more common channels
1282 * (used by QUIT, NICK etc which arent channel specific notices)
1284 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1285 * the first users channels then the second users channels within the outer loop,
1286 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1287 * all possible iterations). However this new function instead checks against the
1288 * channel's userlist in the inner loop which is a std::map<User*,User*>
1289 * and saves us time as we already know what pointer value we are after.
1290 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1291 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1293 bool User::SharesChannelWith(User *other)
1295 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1299 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1301 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1302 * by replacing it with a map::find which *should* be more efficient
1304 if ((*i)->HasUser(other))
1310 bool User::ChangeName(const char* gecos)
1312 if (!this->fullname.compare(gecos))
1317 ModResult MOD_RESULT;
1318 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1319 if (MOD_RESULT == MOD_RES_DENY)
1321 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1323 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1328 void User::DoHostCycle(const std::string &quitline)
1330 char buffer[MAXBUF];
1332 if (!ServerInstance->Config->CycleHosts)
1335 already_sent_t silent_id = ++LocalUser::already_sent_id;
1336 already_sent_t seen_id = ++LocalUser::already_sent_id;
1338 UserChanList include_c(chans);
1339 std::map<User*,bool> exceptions;
1341 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1343 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1345 LocalUser* u = IS_LOCAL(i->first);
1346 if (u && !u->quitting)
1350 u->already_sent = seen_id;
1355 u->already_sent = silent_id;
1359 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1362 snprintf(buffer, MAXBUF, ":%s JOIN %s", GetFullHost().c_str(), c->name.c_str());
1363 std::string joinline(buffer);
1364 Membership* memb = c->GetUser(this);
1365 std::string modeline = memb->modes;
1366 if (modeline.length() > 0)
1368 for(unsigned int i=0; i < memb->modes.length(); i++)
1369 modeline.append(" ").append(nick);
1370 snprintf(buffer, MAXBUF, ":%s MODE %s +%s",
1371 ServerInstance->Config->CycleHostsFromUser ? GetFullHost().c_str() : ServerInstance->Config->ServerName.c_str(),
1372 c->name.c_str(), modeline.c_str());
1376 const UserMembList *ulist = c->GetUsers();
1377 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1379 LocalUser* u = IS_LOCAL(i->first);
1380 if (u == NULL || u == this)
1382 if (u->already_sent == silent_id)
1385 if (u->already_sent != seen_id)
1388 u->already_sent = seen_id;
1391 if (modeline.length() > 0)
1397 bool User::ChangeDisplayedHost(const char* shost)
1404 ModResult MOD_RESULT;
1405 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1406 if (MOD_RESULT == MOD_RES_DENY)
1410 FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1412 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
1414 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1415 this->dhost.assign(shost, 0, 64);
1417 this->InvalidateCache();
1419 this->DoHostCycle(quitstr);
1422 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1427 bool User::ChangeIdent(const char* newident)
1429 if (this->ident == newident)
1432 FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
1434 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
1436 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1438 this->InvalidateCache();
1440 this->DoHostCycle(quitstr);
1445 void User::SendAll(const char* command, const char* text, ...)
1447 char textbuffer[MAXBUF];
1448 char formatbuffer[MAXBUF];
1451 va_start(argsPtr, text);
1452 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1455 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer);
1456 std::string fmt = formatbuffer;
1458 for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1460 if ((*i)->registered == REG_ALL)
1466 * Sets a user's connection class.
1467 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1468 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1469 * then their ip will be taken as 'priority' anyway, so for example,
1470 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1472 void LocalUser::SetClass(const std::string &explicit_name)
1474 ConnectClass *found = NULL;
1476 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1478 if (!explicit_name.empty())
1480 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1482 ConnectClass* c = *i;
1484 if (explicit_name == c->name)
1486 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1493 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1495 ConnectClass* c = *i;
1496 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1498 ModResult MOD_RESULT;
1499 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1500 if (MOD_RESULT == MOD_RES_DENY)
1502 if (MOD_RESULT == MOD_RES_ALLOW)
1504 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1509 if (c->type == CC_NAMED)
1512 bool regdone = (registered != REG_NONE);
1513 if (c->config->getBool("registered", regdone) != regdone)
1516 /* check if host matches.. */
1517 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1518 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1520 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1525 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1526 * because we should attempt to find another class if this one doesn't match us. -- w00t
1528 if (c->limit && (c->GetReferenceCount() >= c->limit))
1530 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1534 /* if it requires a port ... */
1535 int port = c->config->getInt("port");
1538 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1540 /* and our port doesn't match, fail. */
1541 if (this->GetServerPort() != port)
1545 if (regdone && !c->config->getString("password").empty())
1547 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1549 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1554 /* we stop at the first class that meets ALL critera. */
1561 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1569 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1570 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1571 * then their ip will be taken as 'priority' anyway, so for example,
1572 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1574 ConnectClass* LocalUser::GetClass()
1579 ConnectClass* User::GetClass()
1584 void User::PurgeEmptyChannels()
1586 // firstly decrement the count on each channel
1587 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1596 const std::string& FakeUser::GetFullHost()
1598 if (!ServerInstance->Config->HideWhoisServer.empty())
1599 return ServerInstance->Config->HideWhoisServer;
1603 const std::string& FakeUser::GetFullRealHost()
1605 if (!ServerInstance->Config->HideWhoisServer.empty())
1606 return ServerInstance->Config->HideWhoisServer;
1610 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1611 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1612 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1613 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0), limit(0)
1617 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1618 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1619 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1620 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1621 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1622 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1627 void ConnectClass::Update(const ConnectClass* src)
1629 config = src->config;
1631 fakelag = src->fakelag;
1633 registration_timeout = src->registration_timeout;
1635 pingtime = src->pingtime;
1636 softsendqmax = src->softsendqmax;
1637 hardsendqmax = src->hardsendqmax;
1638 recvqmax = src->recvqmax;
1639 penaltythreshold = src->penaltythreshold;
1640 commandrate = src->commandrate;
1641 maxlocal = src->maxlocal;
1642 maxglobal = src->maxglobal;
1643 maxconnwarn = src->maxconnwarn;
1644 maxchans = src->maxchans;