1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2010 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
16 #include "socketengine.h"
19 #include "commands/cmd_whowas.h"
21 already_sent_t LocalUser::already_sent_id = 0;
23 std::string User::ProcessNoticeMasks(const char *sm)
25 bool adding = true, oldadding = false;
40 for (unsigned char d = 'a'; d <= 'z'; d++)
42 if (!ServerInstance->SNO->masks[d - 'a'].Description.empty())
44 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
46 if ((oldadding != adding) || (!output.length()))
47 output += (adding ? '+' : '-');
49 this->SetNoticeMask(d, adding);
55 if ((!IsNoticeMaskSet(u) && adding) || (IsNoticeMaskSet(u) && !adding))
57 if ((oldadding != adding) || (!output.length()))
58 output += (adding ? '+' : '-');
60 this->SetNoticeMask(u, adding);
71 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
73 if ((oldadding != adding) || (!output.length()))
74 output += (adding ? '+' : '-');
76 this->SetNoticeMask(*c, adding);
82 this->WriteNumeric(ERR_UNKNOWNSNOMASK, "%s %c :is unknown snomask char to me", this->nick.c_str(), *c);
91 std::string s = this->FormatNoticeMasks();
94 this->modes[UM_SNOMASK] = false;
100 void LocalUser::StartDNSLookup()
105 const char* sip = this->GetIPString();
106 UserResolver *res_reverse;
108 QueryType resolvtype = this->client_sa.sa.sa_family == AF_INET6 ? DNS_QUERY_PTR6 : DNS_QUERY_PTR4;
109 res_reverse = new UserResolver(this, sip, resolvtype, cached);
111 ServerInstance->AddResolver(res_reverse, cached);
113 catch (CoreException& e)
115 ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason());
117 ServerInstance->stats->statsDnsBad++;
121 bool User::IsNoticeMaskSet(unsigned char sm)
125 return (snomasks[sm-65]);
128 void User::SetNoticeMask(unsigned char sm, bool value)
132 snomasks[sm-65] = value;
135 const char* User::FormatNoticeMasks()
137 static char data[MAXBUF];
140 for (int n = 0; n < 64; n++)
143 data[offset++] = n+65;
150 bool User::IsModeSet(unsigned char m)
154 return (modes[m-65]);
157 void User::SetMode(unsigned char m, bool value)
164 const char* User::FormatModes(bool showparameters)
166 static char data[MAXBUF];
170 for (unsigned char n = 0; n < 64; n++)
174 data[offset++] = n + 65;
175 ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
176 if (showparameters && mh && mh->GetNumParams(true))
178 std::string p = mh->GetUserParameter(this);
180 params.append(" ").append(p);
185 strlcat(data, params.c_str(), MAXBUF);
189 User::User(const std::string &uid, const std::string& sid, int type)
190 : uuid(uid), server(sid), usertype(type)
192 age = ServerInstance->Time();
193 signon = idle_lastmsg = 0;
195 quietquit = quitting = exempt = dns_done = false;
196 quitting_sendq = false;
197 client_sa.sa.sa_family = AF_UNSPEC;
199 ServerInstance->Logs->Log("USERS", DEBUG, "New UUID for user: %s", uuid.c_str());
201 user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid);
202 if (finduuid == ServerInstance->Users->uuidlist->end())
203 (*ServerInstance->Users->uuidlist)[uuid] = this;
205 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
208 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
209 : User(ServerInstance->GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
210 bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
215 memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs));
216 memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs));
221 if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end())
222 ServerInstance->Logs->Log("USERS", DEFAULT, "User destructor for %s called without cull", uuid.c_str());
225 const std::string& User::MakeHost()
227 if (!this->cached_makehost.empty())
228 return this->cached_makehost;
231 /* This is much faster than snprintf */
233 for(const char* n = ident.c_str(); *n; n++)
236 for(const char* n = host.c_str(); *n; n++)
240 this->cached_makehost.assign(nhost);
242 return this->cached_makehost;
245 const std::string& User::MakeHostIP()
247 if (!this->cached_hostip.empty())
248 return this->cached_hostip;
251 /* This is much faster than snprintf */
253 for(const char* n = ident.c_str(); *n; n++)
256 for(const char* n = this->GetIPString(); *n; n++)
260 this->cached_hostip = ihost;
262 return this->cached_hostip;
265 const std::string& User::GetFullHost()
267 if (!this->cached_fullhost.empty())
268 return this->cached_fullhost;
272 for(const char* n = nick.c_str(); *n; n++)
275 for(const char* n = ident.c_str(); *n; n++)
278 for(const char* n = dhost.c_str(); *n; n++)
282 this->cached_fullhost = result;
284 return this->cached_fullhost;
287 char* User::MakeWildHost()
289 static char nresult[MAXBUF];
291 *t++ = '*'; *t++ = '!';
292 *t++ = '*'; *t++ = '@';
293 for(const char* n = dhost.c_str(); *n; n++)
299 const std::string& User::GetFullRealHost()
301 if (!this->cached_fullrealhost.empty())
302 return this->cached_fullrealhost;
304 char fresult[MAXBUF];
306 for(const char* n = nick.c_str(); *n; n++)
309 for(const char* n = ident.c_str(); *n; n++)
312 for(const char* n = host.c_str(); *n; n++)
316 this->cached_fullrealhost = fresult;
318 return this->cached_fullrealhost;
321 bool LocalUser::IsInvited(const irc::string &channel)
323 time_t now = ServerInstance->Time();
324 InvitedList::iterator safei;
325 for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
327 if (channel == i->first)
329 if (i->second != 0 && now > i->second)
331 /* Expired invite, remove it. */
334 invites.erase(safei);
343 InvitedList* LocalUser::GetInviteList()
345 time_t now = ServerInstance->Time();
346 /* Weed out expired invites here. */
347 InvitedList::iterator safei;
348 for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
350 if (i->second != 0 && now > i->second)
352 /* Expired invite, remove it. */
355 invites.erase(safei);
361 void LocalUser::InviteTo(const irc::string &channel, time_t invtimeout)
363 time_t now = ServerInstance->Time();
364 if (invtimeout != 0 && now > invtimeout) return; /* Don't add invites that are expired from the get-go. */
365 for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
367 if (channel == i->first)
369 if (i->second != 0 && invtimeout > i->second)
371 i->second = invtimeout;
377 invites.push_back(std::make_pair(channel, invtimeout));
380 void LocalUser::RemoveInvite(const irc::string &channel)
382 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
384 if (channel == i->first)
392 bool User::HasModePermission(unsigned char, ModeType)
397 bool LocalUser::HasModePermission(unsigned char mode, ModeType type)
402 if (mode < 'A' || mode > ('A' + 64)) return false;
404 return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')];
408 * users on remote servers can completely bypass all permissions based checks.
409 * This prevents desyncs when one server has different type/class tags to another.
410 * That having been said, this does open things up to the possibility of source changes
411 * allowing remote kills, etc - but if they have access to the src, they most likely have
412 * access to the conf - so it's an end to a means either way.
414 bool User::HasPermission(const std::string&)
419 bool LocalUser::HasPermission(const std::string &command)
421 // are they even an oper at all?
427 if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end())
429 else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end())
435 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
440 bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
445 this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str());
449 if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end())
453 else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end())
459 this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), oper->NameStr(), privstr.c_str());
463 void UserIOHandler::OnDataReady()
468 if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers"))
470 ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
471 ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
472 user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
474 unsigned long sendqmax = ULONG_MAX;
475 if (!user->HasPrivPermission("users/flood/increased-buffers"))
476 sendqmax = user->MyClass->GetSendqSoftMax();
477 unsigned long penaltymax = ULONG_MAX;
478 if (!user->HasPrivPermission("users/flood/no-fakelag"))
479 penaltymax = user->MyClass->GetPenaltyThreshold() * 1000;
481 while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
484 line.reserve(MAXBUF);
485 std::string::size_type qpos = 0;
486 while (qpos < recvq.length())
488 char c = recvq[qpos++];
499 if (line.length() < MAXBUF - 2)
502 // if we got here, the recvq ran out before we found a newline
505 // just found a newline. Terminate the string, and pull it out of recvq
506 recvq = recvq.substr(qpos);
508 // TODO should this be moved to when it was inserted in recvq?
509 ServerInstance->stats->statsRecv += qpos;
510 user->bytes_in += qpos;
513 ServerInstance->Parser->ProcessBuffer(line, user);
517 if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag)
518 ServerInstance->Users->QuitUser(user, "Excess Flood");
521 void UserIOHandler::AddWriteBuf(const std::string &data)
523 if (user->quitting_sendq)
525 if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() &&
526 !user->HasPrivPermission("users/flood/increased-buffers"))
528 user->quitting_sendq = true;
529 ServerInstance->GlobalCulls.AddSQItem(user);
533 // We still want to append data to the sendq of a quitting user,
534 // e.g. their ERROR message that says 'closing link'
539 void UserIOHandler::OnError(BufferedSocketError)
541 ServerInstance->Users->QuitUser(user, getError());
544 CullResult User::cull()
547 ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
548 PurgeEmptyChannels();
550 this->InvalidateCache();
552 if (client_sa.sa.sa_family != AF_UNSPEC)
553 ServerInstance->Users->RemoveCloneCounts(this);
555 return Extensible::cull();
558 CullResult LocalUser::cull()
560 std::vector<LocalUser*>::iterator x = find(ServerInstance->Users->local_users.begin(),ServerInstance->Users->local_users.end(),this);
561 if (x != ServerInstance->Users->local_users.end())
562 ServerInstance->Users->local_users.erase(x);
564 ServerInstance->Logs->Log("USERS", DEBUG, "Failed to remove user from vector");
570 CullResult FakeUser::cull()
572 // Fake users don't quit, they just get culled.
574 ServerInstance->Users->clientlist->erase(nick);
575 ServerInstance->Users->uuidlist->erase(uuid);
579 void User::Oper(OperInfo* info)
581 if (this->IsModeSet('o'))
584 this->modes[UM_OPERATOR] = 1;
586 this->WriteServ("MODE %s :+o", this->nick.c_str());
587 FOREACH_MOD(I_OnOper, OnOper(this, info->name));
589 std::string opername;
590 if (info->oper_block)
591 opername = info->oper_block->getString("name");
595 LocalUser* l = IS_LOCAL(this);
596 std::string vhost = oper->getConfig("vhost");
598 l->ChangeDisplayedHost(vhost.c_str());
599 std::string opClass = oper->getConfig("class");
600 if (!opClass.empty())
601 l->SetClass(opClass);
604 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
605 nick.c_str(), ident.c_str(), host.c_str(), oper->NameStr(), opername.c_str());
606 this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->NameStr());
608 ServerInstance->Logs->Log("OPER", DEFAULT, "%s!%s@%s opered as type: %s", this->nick.c_str(), this->ident.c_str(), this->host.c_str(), oper->NameStr());
609 ServerInstance->Users->all_opers.push_back(this);
611 // Expand permissions from config for faster lookup
615 FOREACH_MOD(I_OnPostOper,OnPostOper(this, oper->name, opername));
618 void OperInfo::init()
620 AllowedOperCommands.clear();
621 AllowedPrivs.clear();
622 AllowedUserModes.reset();
623 AllowedChanModes.reset();
624 AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
626 for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
628 ConfigTag* tag = *iter;
629 std::string mycmd, mypriv;
630 /* Process commands */
631 irc::spacesepstream CommandList(tag->getString("commands"));
632 while (CommandList.GetToken(mycmd))
634 AllowedOperCommands.insert(mycmd);
637 irc::spacesepstream PrivList(tag->getString("privs"));
638 while (PrivList.GetToken(mypriv))
640 AllowedPrivs.insert(mypriv);
643 for (unsigned char* c = (unsigned char*)tag->getString("usermodes").c_str(); *c; ++c)
647 this->AllowedUserModes.set();
649 else if (*c >= 'A' && *c < 'z')
651 this->AllowedUserModes[*c - 'A'] = true;
655 for (unsigned char* c = (unsigned char*)tag->getString("chanmodes").c_str(); *c; ++c)
659 this->AllowedChanModes.set();
661 else if (*c >= 'A' && *c < 'z')
663 this->AllowedChanModes[*c - 'A'] = true;
675 * unset their oper type (what IS_OPER checks).
676 * note, order is important - this must come before modes as -o attempts
677 * to call UnOper. -- w00t
682 /* Remove all oper only modes from the user when the deoper - Bug #466*/
683 std::string moderemove("-");
685 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
687 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
688 if (mh && mh->NeedsOper())
689 moderemove += letter;
693 std::vector<std::string> parameters;
694 parameters.push_back(this->nick);
695 parameters.push_back(moderemove);
697 ServerInstance->Parser->CallHandler("MODE", parameters, this);
699 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
700 ServerInstance->Users->all_opers.remove(this);
702 this->modes[UM_OPERATOR] = 0;
705 /* adds or updates an entry in the whowas list */
706 void User::AddToWhoWas()
708 Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so");
711 WhowasRequest req(NULL, whowas, WhowasRequest::WHOWAS_ADD);
718 * Check class restrictions
720 void LocalUser::CheckClass()
722 ConnectClass* a = this->MyClass;
726 ServerInstance->Users->QuitUser(this, "Access denied by configuration");
729 else if (a->type == CC_DENY)
731 ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
734 else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
736 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
737 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
740 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
742 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
743 ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString());
747 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
750 bool User::CheckLines(bool doZline)
752 const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
756 for (int n = 0; check[n]; ++n)
758 XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
771 void LocalUser::FullConnect()
773 ServerInstance->stats->statsConnects++;
774 this->idle_lastmsg = ServerInstance->Time();
777 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
778 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
779 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
780 * Don't remove this! -- w00t
790 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network.c_str());
791 this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), this->nick.c_str(), this->ident.c_str(), this->host.c_str());
792 this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version InspIRCd-2.0",this->nick.c_str(),ServerInstance->Config->ServerName.c_str());
793 this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
794 this->WriteNumeric(RPL_SERVERVERSION, "%s %s InspIRCd-2.0 %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
796 ServerInstance->Config->Send005(this);
797 this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
800 if (ServerInstance->Users->unregistered_count)
801 ServerInstance->Users->unregistered_count--;
803 /* Trigger MOTD and LUSERS output, give modules a chance too */
804 ModResult MOD_RESULT;
805 std::string command("MOTD");
806 std::vector<std::string> parameters;
807 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
809 ServerInstance->CallCommandHandler(command, parameters, this);
811 MOD_RESULT = MOD_RES_PASSTHRU;
813 FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command));
815 ServerInstance->CallCommandHandler(command, parameters, this);
817 if (ServerInstance->Config->RawLog)
818 WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str());
821 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
822 * for a user that doesn't exist yet.
824 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
826 this->registered = REG_ALL;
828 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
830 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]",
831 this->GetServerPort(), this->nick.c_str(), this->ident.c_str(), this->host.c_str(), this->GetIPString(), this->fullname.c_str());
832 ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
833 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
834 // reset the flood penalty (which could have been raised due to things like auto +x)
835 CommandFloodPenalty = 0;
838 void User::InvalidateCache()
840 /* Invalidate cache */
841 cached_fullhost.clear();
842 cached_hostip.clear();
843 cached_makehost.clear();
844 cached_fullrealhost.clear();
847 bool User::ChangeNick(const std::string& newnick, bool force)
849 ModResult MOD_RESULT;
852 ServerInstance->NICKForced.set(this, 1);
853 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
854 ServerInstance->NICKForced.set(this, 0);
856 if (MOD_RESULT == MOD_RES_DENY)
858 ServerInstance->stats->statsCollisions++;
862 if (assign(newnick) == assign(nick))
864 // case change, don't need to check Q:lines and such
865 // and, if it's identical including case, we can leave right now
872 * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
873 * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
874 * Thanks Kein for finding this. -- w00t
876 * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
879 if (IS_LOCAL(this) && !force)
881 XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick);
884 if (this->registered == REG_ALL)
886 ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s!%s@%s: %s",
887 newnick.c_str(), this->nick.c_str(), this->ident.c_str(), this->host.c_str(), mq->reason.c_str());
889 this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str());
893 if (ServerInstance->Config->RestrictBannedUsers)
895 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
898 if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this))
900 this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str());
908 * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
909 * then we have a potential collide. Check whether someone else is camping on the nick
910 * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
911 * camper to their UID, and allow the incoming nick change.
913 * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
914 * because the nick is already (rightfully) in use. -- w00t
916 User* InUse = ServerInstance->FindNickOnly(newnick);
917 if (InUse && (InUse != this))
919 if (InUse->registered != REG_ALL)
921 /* force the camper to their UUID, and ask them to re-send a NICK. */
922 InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
923 InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
925 ServerInstance->Users->clientlist->erase(InUse->nick);
926 (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse;
928 InUse->nick = InUse->uuid;
929 InUse->InvalidateCache();
930 InUse->registered &= ~REG_NICK;
934 /* No camping, tell the incoming user to stop trying to change nick ;p */
935 this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str());
941 if (this->registered == REG_ALL)
942 this->WriteCommon("NICK %s",newnick.c_str());
943 std::string oldnick = nick;
947 ServerInstance->Users->clientlist->erase(oldnick);
948 (*(ServerInstance->Users->clientlist))[newnick] = this;
950 if (registered == REG_ALL)
951 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick));
956 int LocalUser::GetServerPort()
958 switch (this->server_sa.sa.sa_family)
961 return htons(this->server_sa.in6.sin6_port);
963 return htons(this->server_sa.in4.sin_port);
968 const char* User::GetIPString()
971 if (cachedip.empty())
973 irc::sockets::satoap(client_sa, cachedip, port);
974 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
975 if (cachedip.c_str()[0] == ':')
976 cachedip.insert(0,1,'0');
979 return cachedip.c_str();
982 irc::sockets::cidr_mask User::GetCIDRMask()
985 switch (client_sa.sa.sa_family)
988 range = ServerInstance->Config->c_ipv6_range;
991 range = ServerInstance->Config->c_ipv4_range;
994 return irc::sockets::cidr_mask(client_sa, range);
997 bool User::SetClientIP(const char* sip)
1000 return irc::sockets::aptosa(sip, 0, client_sa);
1003 static std::string wide_newline("\r\n");
1005 void User::Write(const std::string& text)
1009 void User::Write(const char *text, ...)
1013 void LocalUser::Write(const std::string& text)
1015 if (!ServerInstance->SE->BoundsCheckFd(&eh))
1018 if (text.length() > MAXBUF - 2)
1020 // this should happen rarely or never. Crop the string at 512 and try again.
1021 std::string try_again = text.substr(0, MAXBUF - 2);
1026 ServerInstance->Logs->Log("USEROUTPUT", RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str());
1028 eh.AddWriteBuf(text);
1029 eh.AddWriteBuf(wide_newline);
1031 ServerInstance->stats->statsSent += text.length() + 2;
1032 this->bytes_out += text.length() + 2;
1038 void LocalUser::Write(const char *text, ...)
1041 char textbuffer[MAXBUF];
1043 va_start(argsPtr, text);
1044 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1047 this->Write(std::string(textbuffer));
1050 void User::WriteServ(const std::string& text)
1052 this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
1056 * Same as Write(), except `text' is prefixed with `:server.name '.
1058 void User::WriteServ(const char* text, ...)
1061 char textbuffer[MAXBUF];
1063 va_start(argsPtr, text);
1064 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1067 this->WriteServ(std::string(textbuffer));
1071 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
1074 char textbuffer[MAXBUF];
1076 va_start(argsPtr, text);
1077 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1080 this->WriteNumeric(numeric, std::string(textbuffer));
1083 void User::WriteNumeric(unsigned int numeric, const std::string &text)
1085 char textbuffer[MAXBUF];
1086 ModResult MOD_RESULT;
1088 FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
1090 if (MOD_RESULT == MOD_RES_DENY)
1093 snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName.c_str(), numeric, text.c_str());
1094 this->Write(std::string(textbuffer));
1097 void User::WriteFrom(User *user, const std::string &text)
1101 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str());
1103 this->Write(std::string(tb));
1107 /* write text from an originating user to originating user */
1109 void User::WriteFrom(User *user, const char* text, ...)
1112 char textbuffer[MAXBUF];
1114 va_start(argsPtr, text);
1115 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1118 this->WriteFrom(user, std::string(textbuffer));
1122 /* write text to an destination user from a source user (e.g. user privmsg) */
1124 void User::WriteTo(User *dest, const char *data, ...)
1126 char textbuffer[MAXBUF];
1129 va_start(argsPtr, data);
1130 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1133 this->WriteTo(dest, std::string(textbuffer));
1136 void User::WriteTo(User *dest, const std::string &data)
1138 dest->WriteFrom(this, data);
1141 void User::WriteCommon(const char* text, ...)
1143 char textbuffer[MAXBUF];
1146 if (this->registered != REG_ALL || quitting)
1149 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1151 va_start(argsPtr, text);
1152 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1155 this->WriteCommonRaw(std::string(textbuffer), true);
1158 void User::WriteCommonExcept(const char* text, ...)
1160 char textbuffer[MAXBUF];
1163 if (this->registered != REG_ALL || quitting)
1166 int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
1168 va_start(argsPtr, text);
1169 vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
1172 this->WriteCommonRaw(std::string(textbuffer), false);
1175 void User::WriteCommonRaw(const std::string &line, bool include_self)
1177 if (this->registered != REG_ALL || quitting)
1180 LocalUser::already_sent_id++;
1182 UserChanList include_c(chans);
1183 std::map<User*,bool> exceptions;
1185 exceptions[this] = include_self;
1187 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1189 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1191 LocalUser* u = IS_LOCAL(i->first);
1192 if (u && !u->quitting)
1194 u->already_sent = LocalUser::already_sent_id;
1199 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1202 const UserMembList* ulist = c->GetUsers();
1203 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1205 LocalUser* u = IS_LOCAL(i->first);
1206 if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id)
1208 u->already_sent = LocalUser::already_sent_id;
1215 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1220 if (this->registered != REG_ALL)
1223 already_sent_t uniq_id = ++LocalUser::already_sent_id;
1225 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str());
1226 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str());
1227 std::string out1 = tb1;
1228 std::string out2 = tb2;
1230 UserChanList include_c(chans);
1231 std::map<User*,bool> exceptions;
1233 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1235 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1237 LocalUser* u = IS_LOCAL(i->first);
1238 if (u && !u->quitting)
1240 u->already_sent = uniq_id;
1242 u->Write(IS_OPER(u) ? out2 : out1);
1245 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1247 const UserMembList* ulist = (*v)->GetUsers();
1248 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1250 LocalUser* u = IS_LOCAL(i->first);
1251 if (u && !u->quitting && (u->already_sent != uniq_id))
1253 u->already_sent = uniq_id;
1254 u->Write(IS_OPER(u) ? out2 : out1);
1260 void LocalUser::SendText(const std::string& line)
1265 void RemoteUser::SendText(const std::string& line)
1267 ServerInstance->PI->PushToClient(this, line);
1270 void FakeUser::SendText(const std::string& line)
1274 void User::SendText(const char *text, ...)
1279 va_start(argsPtr, text);
1280 vsnprintf(line, MAXBUF, text, argsPtr);
1283 SendText(std::string(line));
1286 void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream)
1289 int start_pos = LinePrefix.length();
1290 int pos = start_pos;
1291 memcpy(line, LinePrefix.data(), pos);
1293 while (TextStream >> Word)
1295 int len = Word.length();
1296 if (pos + len + 12 > MAXBUF)
1299 SendText(std::string(line));
1303 memcpy(line + pos + 1, Word.data(), len);
1307 SendText(std::string(line));
1310 /* return 0 or 1 depending if users u and u2 share one or more common channels
1311 * (used by QUIT, NICK etc which arent channel specific notices)
1313 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1314 * the first users channels then the second users channels within the outer loop,
1315 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1316 * all possible iterations). However this new function instead checks against the
1317 * channel's userlist in the inner loop which is a std::map<User*,User*>
1318 * and saves us time as we already know what pointer value we are after.
1319 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1320 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1322 bool User::SharesChannelWith(User *other)
1324 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1328 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1330 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1331 * by replacing it with a map::find which *should* be more efficient
1333 if ((*i)->HasUser(other))
1339 bool User::ChangeName(const char* gecos)
1341 if (!this->fullname.compare(gecos))
1346 ModResult MOD_RESULT;
1347 FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos));
1348 if (MOD_RESULT == MOD_RES_DENY)
1350 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1352 this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1357 void User::DoHostCycle(const std::string &quitline)
1359 char buffer[MAXBUF];
1361 if (!ServerInstance->Config->CycleHosts)
1364 already_sent_t silent_id = ++LocalUser::already_sent_id;
1365 already_sent_t seen_id = ++LocalUser::already_sent_id;
1367 UserChanList include_c(chans);
1368 std::map<User*,bool> exceptions;
1370 FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
1372 for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
1374 LocalUser* u = IS_LOCAL(i->first);
1375 if (u && !u->quitting)
1379 u->already_sent = seen_id;
1384 u->already_sent = silent_id;
1388 for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
1391 snprintf(buffer, MAXBUF, ":%s JOIN %s", GetFullHost().c_str(), c->name.c_str());
1392 std::string joinline(buffer);
1393 Membership* memb = c->GetUser(this);
1394 std::string modeline = memb->modes;
1395 if (modeline.length() > 0)
1397 for(unsigned int i=0; i < memb->modes.length(); i++)
1398 modeline.append(" ").append(nick);
1399 snprintf(buffer, MAXBUF, ":%s MODE %s +%s",
1400 ServerInstance->Config->CycleHostsFromUser ? GetFullHost().c_str() : ServerInstance->Config->ServerName.c_str(),
1401 c->name.c_str(), modeline.c_str());
1405 const UserMembList *ulist = c->GetUsers();
1406 for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
1408 LocalUser* u = IS_LOCAL(i->first);
1409 if (u == NULL || u == this)
1411 if (u->already_sent == silent_id)
1414 if (u->already_sent != seen_id)
1417 u->already_sent = seen_id;
1420 if (modeline.length() > 0)
1426 bool User::ChangeDisplayedHost(const char* shost)
1433 ModResult MOD_RESULT;
1434 FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost));
1435 if (MOD_RESULT == MOD_RES_DENY)
1439 FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1441 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing host";
1443 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1444 this->dhost.assign(shost, 0, 64);
1446 this->InvalidateCache();
1448 this->DoHostCycle(quitstr);
1451 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1456 bool User::ChangeIdent(const char* newident)
1458 if (this->ident == newident)
1461 FOREACH_MOD(I_OnChangeIdent, OnChangeIdent(this,newident));
1463 std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident";
1465 this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax + 1);
1467 this->InvalidateCache();
1469 this->DoHostCycle(quitstr);
1474 void User::SendAll(const char* command, const char* text, ...)
1476 char textbuffer[MAXBUF];
1477 char formatbuffer[MAXBUF];
1480 va_start(argsPtr, text);
1481 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1484 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer);
1485 std::string fmt = formatbuffer;
1487 for (std::vector<LocalUser*>::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1494 std::string User::ChannelList(User* source, bool spy)
1498 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1501 /* If the target is the sender, neither +p nor +s is set, or
1502 * the channel contains the user, it is not a spy channel
1504 if (spy != (source == this || !(c->IsModeSet('p') || c->IsModeSet('s')) || c->HasUser(source)))
1505 list.append(c->GetPrefixChar(this)).append(c->name).append(" ");
1511 void User::SplitChanList(User* dest, const std::string &cl)
1514 std::ostringstream prefix;
1515 std::string::size_type start, pos, length;
1517 prefix << this->nick << " " << dest->nick << " :";
1518 line = prefix.str();
1519 int namelen = ServerInstance->Config->ServerName.length() + 6;
1521 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1523 length = (pos == std::string::npos) ? cl.length() : pos;
1525 if (line.length() + namelen + length - start > 510)
1527 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1528 line = prefix.str();
1531 if(pos == std::string::npos)
1533 line.append(cl.substr(start, length - start));
1538 line.append(cl.substr(start, length - start + 1));
1544 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1549 * Sets a user's connection class.
1550 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1551 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1552 * then their ip will be taken as 'priority' anyway, so for example,
1553 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1555 void LocalUser::SetClass(const std::string &explicit_name)
1557 ConnectClass *found = NULL;
1559 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1561 if (!explicit_name.empty())
1563 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1565 ConnectClass* c = *i;
1567 if (explicit_name == c->name)
1569 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Explicitly set to %s", explicit_name.c_str());
1576 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1578 ConnectClass* c = *i;
1579 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Checking %s", c->GetName().c_str());
1581 ModResult MOD_RESULT;
1582 FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
1583 if (MOD_RESULT == MOD_RES_DENY)
1585 if (MOD_RESULT == MOD_RES_ALLOW)
1587 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Class forced by module to %s", c->GetName().c_str());
1592 if (c->type == CC_NAMED)
1595 bool regdone = (registered != REG_NONE);
1596 if (c->config->getBool("registered", regdone) != regdone)
1599 /* check if host matches.. */
1600 if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1601 !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1603 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "No host match (for %s)", c->GetHost().c_str());
1608 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1609 * because we should attempt to find another class if this one doesn't match us. -- w00t
1611 if (c->limit && (c->GetReferenceCount() >= c->limit))
1613 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1617 /* if it requires a port ... */
1618 int port = c->config->getInt("port");
1621 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Requires port (%d)", port);
1623 /* and our port doesn't match, fail. */
1624 if (this->GetServerPort() != port)
1628 if (regdone && !c->config->getString("password").empty())
1630 if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
1632 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Bad password, skipping");
1637 /* we stop at the first class that meets ALL critera. */
1644 * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1652 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1653 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1654 * then their ip will be taken as 'priority' anyway, so for example,
1655 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1657 ConnectClass* LocalUser::GetClass()
1662 ConnectClass* User::GetClass()
1667 void User::PurgeEmptyChannels()
1669 // firstly decrement the count on each channel
1670 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1679 const std::string& FakeUser::GetFullHost()
1681 if (!ServerInstance->Config->HideWhoisServer.empty())
1682 return ServerInstance->Config->HideWhoisServer;
1686 const std::string& FakeUser::GetFullRealHost()
1688 if (!ServerInstance->Config->HideWhoisServer.empty())
1689 return ServerInstance->Config->HideWhoisServer;
1693 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
1694 : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
1695 pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
1696 penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxchans(0), limit(0)
1700 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent)
1701 : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"),
1702 registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime),
1703 softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
1704 penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
1705 maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxchans(parent.maxchans),
1710 void ConnectClass::Update(const ConnectClass* src)
1712 config = src->config;
1714 fakelag = src->fakelag;
1716 registration_timeout = src->registration_timeout;
1718 pingtime = src->pingtime;
1719 softsendqmax = src->softsendqmax;
1720 hardsendqmax = src->hardsendqmax;
1721 recvqmax = src->recvqmax;
1722 penaltythreshold = src->penaltythreshold;
1723 commandrate = src->commandrate;
1724 maxlocal = src->maxlocal;
1725 maxglobal = src->maxglobal;
1726 maxchans = src->maxchans;