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->WriteNotice("You are not an oper");
395 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
399 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
405 this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
410 void UserIOHandler::OnDataReady()
415 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
417 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
418 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
419 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
422 unsigned long sendqmax = ULONG_MAX;
423 if (!user->HasPrivPermission("users/flood/increased-buffers"))
424 sendqmax = user->MyClass->GetSendqSoftMax();
425 unsigned long penaltymax = ULONG_MAX;
426 if (!user->HasPrivPermission("users/flood/no-fakelag"))
427 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
429 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
432 line.reserve(MAXBUF);
433 std::string::size_type qpos = 0;
434 while (qpos < recvq.length())
436 char c = recvq[qpos++];
447 if (line.length() < MAXBUF - 2)
450 // if we got here, the recvq ran out before we found a newline
453 // just found a newline. Terminate the string, and pull it out of recvq
454 recvq = recvq.substr(qpos);
456 // TODO should this be moved to when it was inserted in recvq?
457 ServerInstance->stats->statsRecv += qpos;
458 user->bytes_in += qpos;
461 ServerInstance->Parser->ProcessBuffer(line, user);
465 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
466 ServerInstance->Users->QuitUser(user, "Excess Flood");
469 void UserIOHandler::AddWriteBuf(const std::string &data)
471 if (user->quitting_sendq)
473 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
474 !user->HasPrivPermission("users/flood/increased-buffers"))
476 user->quitting_sendq = true;
477 ServerInstance->GlobalCulls.AddSQItem(user);
481 // We still want to append data to the sendq of a quitting user,
482 // e.g. their ERROR message that says 'closing link'
487 void UserIOHandler::OnError(BufferedSocketError)
489 ServerInstance->Users->QuitUser(user, getError());
492 CullResult User::cull()
495 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
496 PurgeEmptyChannels();
498 if (client_sa.sa.sa_family != AF_UNSPEC)
499 ServerInstance->Users->RemoveCloneCounts(this);
501 return Extensible::cull();
504 CullResult LocalUser::cull()
506 // The iterator is initialized to local_users.end() in the constructor. It is
507 // overwritten in UserManager::AddUser() with the real iterator so this check
508 // is only a precaution currently.
509 if (localuseriter != ServerInstance->Users->local_users.end())
510 ServerInstance->Users->local_users.erase(localuseriter);
512 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: LocalUserIter does not point to a valid entry for " + this->nick);
519 CullResult FakeUser::cull()
521 // Fake users don't quit, they just get culled.
523 ServerInstance->Users->clientlist->erase(nick);
524 ServerInstance->Users->uuidlist->erase(uuid);
528 void User::Oper(OperInfo* info)
530 if (this->IsModeSet('o'))
533 this->modes[UM_OPERATOR] = 1;
535 this->WriteServ("MODE %s :+o", this->nick.c_str());
536 FOREACH_MOD(I_OnOper, OnOper(this, info->name));
538 std::string opername;
539 if (info->oper_block)
540 opername = info->oper_block->getString("name");
544 LocalUser* l = IS_LOCAL(this);
545 std::string vhost = oper->getConfig("vhost");
547 l->ChangeDisplayedHost(vhost.c_str());
548 std::string opClass = oper->getConfig("class");
549 if (!opClass.empty())
550 l->SetClass(opClass);
553 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
554 nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
555 this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
557 ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
558 ServerInstance->Users->all_opers.push_back(this);
560 // Expand permissions from config for faster lookup
564 FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
567 void OperInfo::init()
569 AllowedOperCommands.clear();
570 AllowedPrivs.clear();
571 AllowedUserModes.reset();
572 AllowedChanModes.reset();
573 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
575 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
577 ConfigTag* tag = *iter;
578 std::string mycmd, mypriv;
579 /* Process commands */
580 irc::spacesepstream CommandList(tag->getString("commands"));
581 while (CommandList.GetToken(mycmd))
583 AllowedOperCommands.insert(mycmd);
586 irc::spacesepstream PrivList(tag->getString("privs"));
587 while (PrivList.GetToken(mypriv))
589 AllowedPrivs.insert(mypriv);
592 std::string modes = tag->getString("usermodes");
593 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
597 this->AllowedUserModes.set();
599 else if (*c >= 'A' && *c < 'z')
601 this->AllowedUserModes[*c - 'A'] = true;
605 modes = tag->getString("chanmodes");
606 for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
610 this->AllowedChanModes.set();
612 else if (*c >= 'A' && *c < 'z')
614 this->AllowedChanModes[*c - 'A'] = true;
626 * unset their oper type (what IS_OPER checks).
627 * note, order is important - this must come before modes as -o attempts
628 * to call UnOper. -- w00t
633 /* Remove all oper only modes from the user when the deoper - Bug #466*/
634 std::string moderemove("-");
636 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
638 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
639 if (mh && mh->NeedsOper())
640 moderemove += letter;
644 std::vector<std::string> parameters;
645 parameters.push_back(this->nick);
646 parameters.push_back(moderemove);
648 ServerInstance->Parser->CallHandler("MODE", parameters, this);
650 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
651 ServerInstance->Users->all_opers.remove(this);
653 this->modes[UM_OPERATOR] = 0;
657 * Check class restrictions
659 void LocalUser::CheckClass()
661 ConnectClass* a = this->MyClass;
665 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
668 else if (a->type == CC_DENY)
670 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
673 else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
675 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
677 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
680 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
682 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
684 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
688 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
691 bool LocalUser::CheckLines(bool doZline)
693 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
697 for (int n = 0; check[n]; ++n)
699 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
712 void LocalUser::FullConnect()
714 ServerInstance->stats->statsConnects++;
715 this->idle_lastmsg = ServerInstance->Time();
718 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
719 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
720 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
721 * Don't remove this! -- w00t
731 this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
732 this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH);
733 this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
735 std::string umlist = ServerInstance->Modes->UserModeList();
736 std::string cmlist = ServerInstance->Modes->ChannelModeList();
737 std::string pmlist = ServerInstance->Modes->ParaModeList();
738 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());
740 ServerInstance->ISupport.SendTo(this);
741 this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
744 if (ServerInstance->Users->unregistered_count)
745 ServerInstance->Users->unregistered_count--;
747 /* Trigger MOTD and LUSERS output, give modules a chance too */
748 ModResult MOD_RESULT;
749 std::string command("LUSERS");
750 std::vector<std::string> parameters;
751 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
753 ServerInstance->Parser->CallHandler(command, parameters, this);
755 MOD_RESULT = MOD_RES_PASSTHRU;
757 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
759 ServerInstance->Parser->CallHandler(command, parameters, this);
761 if (ServerInstance->Config->RawLog)
762 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
765 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
766 * for a user that doesn't exist yet.
768 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
770 this->registered = REG_ALL;
772 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
774 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]",
775 this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str());
776 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString());
777 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
778 // reset the flood penalty (which could have been raised due to things like auto +x)
779 CommandFloodPenalty = 0;
782 void User::InvalidateCache()
784 /* Invalidate cache */
785 cached_fullhost.clear();
786 cached_hostip.clear();
787 cached_makehost.clear();
788 cached_fullrealhost.clear();
791 bool User::ChangeNick(const std::string& newnick, bool force)
795 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
799 ModResult MOD_RESULT;
802 ServerInstance->NICKForced.set(this, 1);
803 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
804 ServerInstance->NICKForced.set(this, 0);
806 if (MOD_RESULT == MOD_RES_DENY)
808 ServerInstance->stats->statsCollisions++;
812 if (assign(newnick) == assign(nick))
814 // case change, don't need to check Q:lines and such
815 // and, if it's identical including case, we can leave right now
822 * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
823 * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
824 * Thanks Kein for finding this. -- w00t
826 * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
829 if (IS_LOCAL(this) && !force)
831 XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
834 if (this->registered == REG_ALL)
836 ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
837 newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str());
839 this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
843 if (ServerInstance->Config->RestrictBannedUsers)
845 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
848 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
850 this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
858 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
859 * then we have a potential collide. Check whether someone else is camping on the nick
860 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
861 * camper to their UID, and allow the incoming nick change.
863 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
864 * because the nick is already (rightfully) in use. -- w00t
866 User* InUse = ServerInstance->FindNickOnly(newnick);
867 if (InUse && (InUse != this))
869 if (InUse->registered != REG_ALL)
871 /* force the camper to their UUID, and ask them to re-send a NICK. */
872 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
873 InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
875 ServerInstance->Users->clientlist->erase(InUse->nick);
876 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
878 InUse->nick = InUse->uuid;
879 InUse->InvalidateCache();
880 InUse->registered &= ~REG_NICK;
884 /* No camping, tell the incoming user to stop trying to change nick ;p */
885 this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
891 if (this->registered == REG_ALL)
892 this->WriteCommon("NICK %s",newnick.c_str());
893 std::string oldnick = nick;
897 ServerInstance->Users->clientlist->erase(oldnick);
898 (*(ServerInstance->Users->clientlist))[newnick] = this;
900 if (registered == REG_ALL)
901 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
906 int LocalUser::GetServerPort()
908 switch (this->server_sa.sa.sa_family)
911 return htons(this->server_sa.in6.sin6_port);
913 return htons(this->server_sa.in4.sin_port);
918 const std::string& User::GetIPString()
921 if (cachedip.empty())
923 irc::sockets::satoap(client_sa, cachedip, port);
924 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
925 if (cachedip[0] == ':')
926 cachedip.insert(0,1,'0');
932 irc::sockets::cidr_mask User::GetCIDRMask()
935 switch (client_sa.sa.sa_family)
938 range = ServerInstance->Config->c_ipv6_range;
941 range = ServerInstance->Config->c_ipv4_range;
944 return irc::sockets::cidr_mask(client_sa, range);
947 bool User::SetClientIP(const char* sip, bool recheck_eline)
950 cached_hostip.clear();
951 return irc::sockets::aptosa(sip, 0, client_sa);
954 void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
957 cached_hostip.clear();
958 memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs));
961 bool LocalUser::SetClientIP(const char* sip, bool recheck_eline)
963 irc::sockets::sockaddrs sa;
964 if (!irc::sockets::aptosa(sip, 0, sa))
968 LocalUser::SetClientIP(sa, recheck_eline);
972 void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline)
976 User::SetClientIP(sa);
978 this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL);
980 FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(this));
984 static std::string wide_newline("\r\n");
986 void User::Write(const std::string& text)
990 void User::Write(const char *text, ...)
994 void LocalUser::Write(const std::string& text)
996 if (!ServerInstance->SE->BoundsCheckFd(&eh))
999 if (text.length() > MAXBUF - 2)
1001 // this should happen rarely or never. Crop the string at 512 and try again.
1002 std::string try_again = text.substr(0, MAXBUF - 2);
1007 ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
1009 eh.AddWriteBuf(text);
1010 eh.AddWriteBuf(wide_newline);
1012 ServerInstance->stats->statsSent += text.length() + 2;
1013 this->bytes_out += text.length() + 2;
1019 void LocalUser::Write(const char *text, ...)
1022 char textbuffer[MAXBUF];
1024 va_start(argsPtr, text);
1025 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1028 this->Write(std::string(textbuffer));
1031 void User::WriteServ(const std::string& text)
1033 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
1037 * Same as Write(), except `text' is prefixed with `:server.name '.
1039 void User::WriteServ(const char* text, ...)
1042 char textbuffer[MAXBUF];
1044 va_start(argsPtr, text);
1045 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1048 this->WriteServ(std::string(textbuffer));
1051 void User::WriteNotice(const std::string& text)
1053 this->WriteServ("NOTICE " + (this->registered == REG_ALL ? this->nick : "*") + " :" + text);
1056 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
1059 char textbuffer[MAXBUF];
1061 va_start(argsPtr, text);
1062 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1065 this->WriteNumeric(numeric, std::string(textbuffer));
1068 void User::WriteNumeric(unsigned int numeric, const std::string &text)
1070 char textbuffer[MAXBUF];
1071 ModResult MOD_RESULT;
1073 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
1075 if (MOD_RESULT == MOD_RES_DENY)
1078 snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName.c_str(), numeric, text.c_str());
1079 this->Write(std::string(textbuffer));
1082 void User::WriteFrom(User *user, const std::string &text)
1084 const std::string message = ":" + user->GetFullHost() + " " + text;
1085 this->Write(message);
1089 /* write text from an originating user to originating user */
1091 void User::WriteFrom(User *user, const char* text, ...)
1094 char textbuffer[MAXBUF];
1096 va_start(argsPtr, text);
1097 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1100 this->WriteFrom(user, std::string(textbuffer));
1104 /* write text to an destination user from a source user (e.g. user privmsg) */
1106 void User::WriteTo(User *dest, const char *data, ...)
1108 char textbuffer[MAXBUF];
1111 va_start(argsPtr, data);
1112 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1115 this->WriteTo(dest, std::string(textbuffer));
1118 void User::WriteTo(User *dest, const std::string &data)
1120 dest->WriteFrom(this, data);
1123 void User::WriteCommon(const char* text, ...)
1125 char textbuffer[MAXBUF];
1128 if (this->registered != REG_ALL || quitting)
1131 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1133 va_start(argsPtr, text);
1134 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1137 this->WriteCommonRaw(std::string(textbuffer), true);
1140 void User::WriteCommonExcept(const char* text, ...)
1142 char textbuffer[MAXBUF];
1145 if (this->registered != REG_ALL || quitting)
1148 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1150 va_start(argsPtr, text);
1151 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1154 this->WriteCommonRaw(std::string(textbuffer), false);
1157 void User::WriteCommonRaw(const std::string &line, bool include_self)
1159 if (this->registered != REG_ALL || quitting)
1162 LocalUser::already_sent_id++;
1164 UserChanList include_c(chans);
1165 std::map<User*,bool> exceptions;
1167 exceptions[this] = include_self;
1169 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1171 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1173 LocalUser* u = IS_LOCAL(i->first);
1174 if (u && !u->quitting)
1176 u->already_sent = LocalUser::already_sent_id;
1181 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1184 const UserMembList* ulist = c->GetUsers();
1185 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1187 LocalUser* u = IS_LOCAL(i->first);
1188 if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
1190 u->already_sent = LocalUser::already_sent_id;
1197 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1199 if (this->registered != REG_ALL)
1202 already_sent_t uniq_id = ++LocalUser::already_sent_id;
1204 const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
1205 const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
1207 UserChanList include_c(chans);
1208 std::map<User*,bool> exceptions;
1210 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1212 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1214 LocalUser* u = IS_LOCAL(i->first);
1215 if (u && !u->quitting)
1217 u->already_sent = uniq_id;
1219 u->Write(u->IsOper() ? operMessage : normalMessage);
1222 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1224 const UserMembList* ulist = (*v)->GetUsers();
1225 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1227 LocalUser* u = IS_LOCAL(i->first);
1228 if (u && !u->quitting && (u->already_sent != uniq_id))
1230 u->already_sent = uniq_id;
1231 u->Write(u->IsOper() ? operMessage : normalMessage);
1237 void LocalUser::SendText(const std::string& line)
1242 void RemoteUser::SendText(const std::string& line)
1244 ServerInstance->PI->PushToClient(this, line);
1247 void FakeUser::SendText(const std::string& line)
1251 void User::SendText(const char *text, ...)
1256 va_start(argsPtr, text);
1257 vsnprintf(line, MAXBUF, text, argsPtr);
1260 SendText(std::string(line));
1263 void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream)
1266 int start_pos = LinePrefix.length();
1267 int pos = start_pos;
1268 memcpy(line, LinePrefix.data(), pos);
1270 while (TextStream >> Word)
1272 int len = Word.length();
1273 if (pos + len + 12 > MAXBUF)
1276 SendText(std::string(line));
1280 memcpy(line + pos + 1, Word.data(), len);
1284 SendText(std::string(line));
1287 /* return 0 or 1 depending if users u and u2 share one or more common channels
1288 * (used by QUIT, NICK etc which arent channel specific notices)
1290 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1291 * the first users channels then the second users channels within the outer loop,
1292 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1293 * all possible iterations). However this new function instead checks against the
1294 * channel's userlist in the inner loop which is a std::map<User*,User*>
1295 * and saves us time as we already know what pointer value we are after.
1296 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1297 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1299 bool User::SharesChannelWith(User *other)
1301 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1305 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1307 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1308 * by replacing it with a map::find which *should* be more efficient
1310 if ((*i)->HasUser(other))
1316 bool User::ChangeName(const char* gecos)
1318 if (!this->fullname.compare(gecos))
1323 ModResult MOD_RESULT;
1324 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1325 if (MOD_RESULT == MOD_RES_DENY)
1327 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1329 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1334 void User::DoHostCycle(const std::string &quitline)
1336 if (!ServerInstance->Config->CycleHosts)
1339 already_sent_t silent_id = ++LocalUser::already_sent_id;
1340 already_sent_t seen_id = ++LocalUser::already_sent_id;
1342 UserChanList include_c(chans);
1343 std::map<User*,bool> exceptions;
1345 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1347 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1349 LocalUser* u = IS_LOCAL(i->first);
1350 if (u && !u->quitting)
1354 u->already_sent = seen_id;
1359 u->already_sent = silent_id;
1363 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1366 Membership* memb = c->GetUser(this);
1367 const std::string joinline = ":" + GetFullHost() + " JOIN " + c->name;
1368 std::string modeline;
1370 if (!memb->modes.empty())
1372 modeline = ":" + (ServerInstance->Config->CycleHostsFromUser ? GetFullHost() : ServerInstance->Config->ServerName)
1373 + " MODE " + c->name + " +" + memb->modes;
1375 for (size_t i = 0; i < memb->modes.length(); i++)
1376 modeline.append(" ").append(nick);
1379 const UserMembList *ulist = c->GetUsers();
1380 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1382 LocalUser* u = IS_LOCAL(i->first);
1383 if (u == NULL || u == this)
1385 if (u->already_sent == silent_id)
1388 if (u->already_sent != seen_id)
1391 u->already_sent = seen_id;
1394 if (!memb->modes.empty())
1400 bool User::ChangeDisplayedHost(const char* shost)
1407 ModResult MOD_RESULT;
1408 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1409 if (MOD_RESULT == MOD_RES_DENY)
1413 FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1415 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
1417 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1418 this->dhost.assign(shost, 0, 64);
1420 this->InvalidateCache();
1422 this->DoHostCycle(quitstr);
1425 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1430 bool User::ChangeIdent(const char* newident)
1432 if (this->ident == newident)
1435 FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
1437 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
1439 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax);
1441 this->InvalidateCache();
1443 this->DoHostCycle(quitstr);
1448 void User::SendAll(const char* command, const char* text, ...)
1450 char textbuffer[MAXBUF];
1453 va_start(argsPtr, text);
1454 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1457 const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer;
1459 for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1461 if ((*i)->registered == REG_ALL)
1462 (*i)->Write(message);
1467 * Sets a user's connection class.
1468 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1469 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1470 * then their ip will be taken as 'priority' anyway, so for example,
1471 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1473 void LocalUser::SetClass(const std::string &explicit_name)
1475 ConnectClass *found = NULL;
1477 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1479 if (!explicit_name.empty())
1481 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1483 ConnectClass* c = *i;
1485 if (explicit_name == c->name)
1487 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
1494 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1496 ConnectClass* c = *i;
1497 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
1499 ModResult MOD_RESULT;
1500 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1501 if (MOD_RESULT == MOD_RES_DENY)
1503 if (MOD_RESULT == MOD_RES_ALLOW)
1505 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
1510 if (c->type == CC_NAMED)
1513 bool regdone = (registered != REG_NONE);
1514 if (c->config->getBool("registered", regdone) != regdone)
1517 /* check if host matches.. */
1518 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1519 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1521 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
1526 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1527 * because we should attempt to find another class if this one doesn't match us. -- w00t
1529 if (c->limit && (c->GetReferenceCount() >= c->limit))
1531 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1535 /* if it requires a port ... */
1536 int port = c->config->getInt("port");
1539 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port);
1541 /* and our port doesn't match, fail. */
1542 if (this->GetServerPort() != port)
1546 if (regdone && !c->config->getString("password").empty())
1548 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1550 ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
1555 /* we stop at the first class that meets ALL critera. */
1562 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1570 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1571 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1572 * then their ip will be taken as 'priority' anyway, so for example,
1573 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1575 ConnectClass* LocalUser::GetClass()
1580 ConnectClass* User::GetClass()
1585 void User::PurgeEmptyChannels()
1587 // firstly decrement the count on each channel
1588 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1597 const std::string& FakeUser::GetFullHost()
1599 if (!ServerInstance->Config->HideWhoisServer.empty())
1600 return ServerInstance->Config->HideWhoisServer;
1604 const std::string& FakeUser::GetFullRealHost()
1606 if (!ServerInstance->Config->HideWhoisServer.empty())
1607 return ServerInstance->Config->HideWhoisServer;
1611 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1612 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1613 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1614 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0),
1615 limit(0), nouserdns(false)
1619 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1620 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1621 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1622 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1623 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1624 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
1625 limit(parent.limit), nouserdns(parent.nouserdns)
1629 void ConnectClass::Update(const ConnectClass* src)
1631 config = src->config;
1633 fakelag = src->fakelag;
1635 registration_timeout = src->registration_timeout;
1637 pingtime = src->pingtime;
1638 softsendqmax = src->softsendqmax;
1639 hardsendqmax = src->hardsendqmax;
1640 recvqmax = src->recvqmax;
1641 penaltythreshold = src->penaltythreshold;
1642 commandrate = src->commandrate;
1643 maxlocal = src->maxlocal;
1644 maxglobal = src->maxglobal;
1645 maxconnwarn = src->maxconnwarn;
1646 maxchans = src->maxchans;
1648 nouserdns = src->nouserdns;