1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
14 /* $Core: libIRCDusers */
18 #include "socketengine.h"
22 #include "commands/cmd_whowas.h"
24 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
26 /* XXX: Used for speeding up WriteCommon operations */
27 unsigned long uniq_id = 0;
29 std::string User::ProcessNoticeMasks(const char *sm)
31 bool adding = true, oldadding = false;
46 for (unsigned char d = 'A'; d <= 'z'; d++)
48 if (ServerInstance->SNO->IsEnabled(d))
50 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
52 if ((oldadding != adding) || (!output.length()))
53 output += (adding ? '+' : '-');
55 this->SetNoticeMask(d, adding);
64 if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c)))
66 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
68 if ((oldadding != adding) || (!output.length()))
69 output += (adding ? '+' : '-');
71 this->SetNoticeMask(*c, adding);
86 void User::StartDNSLookup()
91 const char* ip = this->GetIPString();
93 /* Special case for 4in6 (Have i mentioned i HATE 4in6?) */
94 if (!strncmp(ip, "0::ffff:", 8))
95 res_reverse = new UserResolver(this->ServerInstance, this, ip + 8, DNS_QUERY_PTR4, cached);
97 res_reverse = new UserResolver(this->ServerInstance, this, ip, this->GetProtocolFamily() == AF_INET ? DNS_QUERY_PTR4 : DNS_QUERY_PTR6, cached);
99 this->ServerInstance->AddResolver(res_reverse, cached);
101 catch (CoreException& e)
103 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
107 bool User::IsNoticeMaskSet(unsigned char sm)
109 return (snomasks[sm-65]);
112 void User::SetNoticeMask(unsigned char sm, bool value)
114 snomasks[sm-65] = value;
117 const char* User::FormatNoticeMasks()
119 static char data[MAXBUF];
122 for (int n = 0; n < 64; n++)
125 data[offset++] = n+65;
134 bool User::IsModeSet(unsigned char m)
136 return (modes[m-65]);
139 void User::SetMode(unsigned char m, bool value)
144 const char* User::FormatModes()
146 static char data[MAXBUF];
148 for (int n = 0; n < 64; n++)
151 data[offset++] = n+65;
157 void User::DecrementModes()
159 ServerInstance->Log(DEBUG,"DecrementModes()");
160 for (unsigned char n = 'A'; n <= 'z'; n++)
164 ServerInstance->Log(DEBUG,"DecrementModes() found mode %c", n);
165 ModeHandler* mh = ServerInstance->Modes->FindMode(n, MODETYPE_USER);
168 ServerInstance->Log(DEBUG,"Found handler %c and call ChangeCount", n);
175 User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance)
177 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = *uuid = 0;
178 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
179 reset_due = ServerInstance->Time();
180 age = ServerInstance->Time(true);
182 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
183 ChannelCount = timeout = bytes_in = bytes_out = cmds_in = cmds_out = 0;
184 OverPenalty = ExemptFromPenalty = muted = exempt = haspassed = dns_done = false;
189 res_forward = res_reverse = NULL;
193 AllowedOperCommands = NULL;
196 memset(modes,0,sizeof(modes));
197 memset(snomasks,0,sizeof(snomasks));
198 /* Invalidate cache */
199 operquit = cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
202 strlcpy(uuid, Instance->GetUID().c_str(), UUID_LENGTH);
204 strlcpy(uuid, uid.c_str(), UUID_LENGTH);
206 ServerInstance->Log(DEBUG,"New UUID for user: %s (%s)", uuid, uid.empty() ? "allocated new" : "used remote");
208 user_hash::iterator finduuid = Instance->uuidlist->find(uuid);
209 if (finduuid == Instance->uuidlist->end())
210 (*Instance->uuidlist)[uuid] = this;
212 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
215 void User::RemoveCloneCounts()
217 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
218 if (x != ServerInstance->local_clones.end())
223 ServerInstance->local_clones.erase(x);
227 clonemap::iterator y = ServerInstance->global_clones.find(this->GetIPString());
228 if (y != ServerInstance->global_clones.end())
233 ServerInstance->global_clones.erase(y);
240 /* NULL for remote users :) */
243 this->MyClass->RefCount--;
244 ServerInstance->Log(DEBUG, "User destructor -- connect refcount now: %u", this->MyClass->RefCount);
246 if (this->AllowedOperCommands)
248 delete AllowedOperCommands;
249 AllowedOperCommands = NULL;
252 this->InvalidateCache();
253 this->DecrementModes();
258 this->RemoveCloneCounts();
260 if (this->GetProtocolFamily() == AF_INET)
262 delete (sockaddr_in*)ip;
264 #ifdef SUPPORT_IP6LINKS
267 delete (sockaddr_in6*)ip;
272 ServerInstance->uuidlist->erase(uuid);
275 char* User::MakeHost()
277 if (this->cached_makehost)
278 return this->cached_makehost;
281 /* This is much faster than snprintf */
283 for(char* n = ident; *n; n++)
286 for(char* n = host; *n; n++)
290 this->cached_makehost = strdup(nhost);
292 return this->cached_makehost;
295 char* User::MakeHostIP()
297 if (this->cached_hostip)
298 return this->cached_hostip;
301 /* This is much faster than snprintf */
303 for(char* n = ident; *n; n++)
306 for(const char* n = this->GetIPString(); *n; n++)
310 this->cached_hostip = strdup(ihost);
312 return this->cached_hostip;
315 void User::CloseSocket()
317 ServerInstance->SE->Shutdown(this, 2);
318 ServerInstance->SE->Close(this);
321 char* User::GetFullHost()
323 if (this->cached_fullhost)
324 return this->cached_fullhost;
328 for(char* n = nick; *n; n++)
331 for(char* n = ident; *n; n++)
334 for(char* n = dhost; *n; n++)
338 this->cached_fullhost = strdup(result);
340 return this->cached_fullhost;
343 char* User::MakeWildHost()
345 static char nresult[MAXBUF];
347 *t++ = '*'; *t++ = '!';
348 *t++ = '*'; *t++ = '@';
349 for(char* n = dhost; *n; n++)
355 int User::ReadData(void* buffer, size_t size)
360 return read(this->fd, buffer, size);
362 return recv(this->fd, (char*)buffer, size, 0);
370 char* User::GetFullRealHost()
372 if (this->cached_fullrealhost)
373 return this->cached_fullrealhost;
375 char fresult[MAXBUF];
377 for(char* n = nick; *n; n++)
380 for(char* n = ident; *n; n++)
383 for(char* n = host; *n; n++)
387 this->cached_fullrealhost = strdup(fresult);
389 return this->cached_fullrealhost;
392 bool User::IsInvited(const irc::string &channel)
394 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
404 InvitedList* User::GetInviteList()
409 void User::InviteTo(const irc::string &channel)
411 invites.push_back(channel);
414 void User::RemoveInvite(const irc::string &channel)
416 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
426 bool User::HasPermission(const std::string &command)
429 * users on remote servers can completely bypass all permissions based checks.
430 * This prevents desyncs when one server has different type/class tags to another.
431 * That having been said, this does open things up to the possibility of source changes
432 * allowing remote kills, etc - but if they have access to the src, they most likely have
433 * access to the conf - so it's an end to a means either way.
438 // are they even an oper at all?
444 if (!AllowedOperCommands)
447 if (AllowedOperCommands->find(command) != AllowedOperCommands->end())
449 else if (AllowedOperCommands->find("*") != AllowedOperCommands->end())
455 /** NOTE: We cannot pass a const reference to this method.
456 * The string is changed by the workings of the method,
457 * so that if we pass const ref, we end up copying it to
458 * something we can change anyway. Makes sense to just let
459 * the compiler do that copy for us.
461 bool User::AddBuffer(std::string a)
465 std::string::size_type i = a.rfind('\r');
467 while (i != std::string::npos)
476 if (this->MyClass && (recvq.length() > this->MyClass->GetRecvqMax()))
478 this->SetWriteError("RecvQ exceeded");
479 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->MyClass->GetRecvqMax());
488 ServerInstance->Log(DEBUG,"Exception in User::AddBuffer()");
493 bool User::BufferIsReady()
495 return (recvq.find('\n') != std::string::npos);
498 void User::ClearBuffer()
503 std::string User::GetBuffer()
510 /* Strip any leading \r or \n off the string.
511 * Usually there are only one or two of these,
512 * so its is computationally cheap to do.
514 std::string::iterator t = recvq.begin();
515 while (t != recvq.end() && (*t == '\r' || *t == '\n'))
521 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
523 /* Find the first complete line, return it as the
524 * result, and leave the recvq as whats left
528 std::string ret = std::string(recvq.begin(), x);
529 recvq.erase(recvq.begin(), x + 1);
538 ServerInstance->Log(DEBUG,"Exception in User::GetBuffer()");
543 void User::AddWriteBuf(const std::string &data)
545 if (*this->GetWriteError())
548 if (this->MyClass && (sendq.length() + data.length() > this->MyClass->GetSendqMax()))
551 * Fix by brain - Set the error text BEFORE calling writeopers, because
552 * if we dont it'll recursively call here over and over again trying
553 * to repeatedly add the text to the sendq!
555 this->SetWriteError("SendQ exceeded");
556 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->MyClass->GetSendqMax());
562 if (data.length() > MAXBUF - 2) /* MAXBUF has a value of 514, to account for line terminators */
563 sendq.append(data.substr(0,MAXBUF - 4)).append("\r\n"); /* MAXBUF-4 = 510 */
569 this->SetWriteError("SendQ exceeded");
570 ServerInstance->WriteOpers("*** User %s SendQ got an exception",this->nick);
574 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
575 void User::FlushWriteBuf()
579 if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError()))
583 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
585 int old_sendq_length = sendq.length();
586 int n_sent = ServerInstance->SE->Send(this, this->sendq.data(), this->sendq.length(), 0);
592 /* The socket buffer is full. This isnt fatal,
595 this->ServerInstance->SE->WantWrite(this);
599 /* Fatal error, set write error and bail
601 this->SetWriteError(errno ? strerror(errno) : "EOF from client");
607 /* advance the queue */
609 this->sendq = this->sendq.substr(n_sent);
610 /* update the user's stats counters */
611 this->bytes_out += n_sent;
613 if (n_sent != old_sendq_length)
614 this->ServerInstance->SE->WantWrite(this);
621 ServerInstance->Log(DEBUG,"Exception in User::FlushWriteBuf()");
624 if (this->sendq.empty())
626 FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
630 void User::SetWriteError(const std::string &error)
634 // don't try to set the error twice, its already set take the first string.
635 if (this->WriteError.empty())
636 this->WriteError = error;
641 ServerInstance->Log(DEBUG,"Exception in User::SetWriteError()");
645 const char* User::GetWriteError()
647 return this->WriteError.c_str();
650 void User::Oper(const std::string &opertype, const std::string &opername)
658 this->modes[UM_OPERATOR] = 1;
659 this->WriteServ("MODE %s :+o", this->nick);
660 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
661 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
662 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
663 ServerInstance->all_opers.push_back(this);
665 opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
666 if (iter_opertype != ServerInstance->Config->opertypes.end())
669 if (AllowedOperCommands)
670 AllowedOperCommands->clear();
672 AllowedOperCommands = new std::map<std::string, bool>;
674 char* Classes = strdup(iter_opertype->second);
675 char* myclass = strtok_r(Classes," ",&savept);
678 operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
679 if (iter_operclass != ServerInstance->Config->operclass.end())
681 char* CommandList = strdup(iter_operclass->second);
682 mycmd = strtok_r(CommandList," ",&savept2);
685 this->AllowedOperCommands->insert(std::make_pair(mycmd, true));
686 mycmd = strtok_r(NULL," ",&savept2);
690 myclass = strtok_r(NULL," ",&savept);
695 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype, opername));
700 ServerInstance->Log(DEBUG,"Exception in User::Oper()");
710 // unset their oper type (what IS_OPER checks), and remove +o
712 this->modes[UM_OPERATOR] = 0;
714 // remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404
715 ServerInstance->all_opers.remove(this);
717 if (AllowedOperCommands)
719 delete AllowedOperCommands;
720 AllowedOperCommands = NULL;
727 ServerInstance->Log(DEBUG,"Exception in User::UnOper()");
731 void User::QuitUser(InspIRCd* Instance, User *user, const std::string &quitreason, const char* operreason)
733 Instance->Log(DEBUG,"QuitUser: %s '%s'", user->nick, quitreason.c_str());
734 user->Write("ERROR :Closing link (%s@%s) [%s]", user->ident, user->host, *operreason ? operreason : quitreason.c_str());
736 Instance->GlobalCulls.AddItem(user, quitreason.c_str(), operreason);
739 /* adds or updates an entry in the whowas list */
740 void User::AddToWhoWas()
742 Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
745 std::deque<classbase*> params;
746 params.push_back(this);
747 whowas_command->HandleInternal(WHOWAS_ADD, params);
751 /* add a client connection to the sockets list */
752 void User::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip)
754 /* NOTE: Calling this one parameter constructor for User automatically
755 * allocates a new UUID and places it in the hash_map.
760 New = new User(Instance);
764 Instance->Log(DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
765 Instance->WriteOpers("*** WARNING *** Duplicate UUID allocated!");
769 Instance->Log(DEBUG,"New user fd: %d", socket);
773 Instance->unregistered_count++;
777 if (socketfamily == AF_INET6)
778 inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
781 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
783 (*(Instance->clientlist))[New->uuid] = New;
786 /* The users default nick is their UUID */
787 strlcpy(New->nick, New->uuid, NICKMAX - 1);
789 New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
790 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
791 strcpy(New->ident, "unknown");
793 New->registered = REG_NONE;
794 New->signon = Instance->Time() + Instance->Config->dns_timeout;
797 New->SetSockAddr(socketfamily, ipaddr, port);
799 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
800 for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
801 New->dhost[j] = New->host[j] = *temp;
802 New->dhost[j] = New->host[j] = 0;
804 Instance->AddLocalClone(New);
805 Instance->AddGlobalClone(New);
808 * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
809 * See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
811 ConnectClass* i = New->SetClass();
815 User::QuitUser(Instance, New, "Access denied by configuration");
820 * Check connect class settings and initialise settings into User.
821 * This will be done again after DNS resolution. -- w00t
825 Instance->local_users.push_back(New);
827 if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
829 Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
830 User::QuitUser(Instance, New,"No more connections allowed");
836 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
837 * its a pretty big but for the moment valid assumption:
838 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
839 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
840 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
841 * which for the time being is a physical impossibility (even the largest networks dont have more
842 * than about 10,000 users on ONE server!)
845 if ((unsigned int)socket >= MAX_DESCRIPTORS)
847 User::QuitUser(Instance, New, "Server is full");
852 * even with bancache, we still have to keep User::exempt current.
853 * besides that, if we get a positive bancache hit, we still won't fuck
854 * them over if they are exempt. -- w00t
856 New->exempt = (Instance->XLines->MatchesLine("E",New) != NULL);
858 if (BanCacheHit *b = Instance->BanCache->GetHit(New->GetIPString()))
860 if (!b->Type.empty() && !New->exempt)
863 Instance->Log(DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
864 if (*Instance->Config->MoronBanner)
865 New->WriteServ("NOTICE %s :*** %s", New->nick, Instance->Config->MoronBanner);
866 User::QuitUser(Instance, New, b->Reason);
871 Instance->Log(DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
878 XLine* r = Instance->XLines->MatchesLine("Z",New);
890 if (!Instance->SE->AddFd(New))
892 Instance->Log(DEBUG,"Internal error on new connection");
893 User::QuitUser(Instance, New, "Internal error handling connection");
897 /* NOTE: even if dns lookups are *off*, we still need to display this.
898 * BOPM and other stuff requires it.
900 New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
902 if (Instance->Config->NoUserDns)
904 New->dns_done = true;
908 New->StartDNSLookup();
912 unsigned long User::GlobalCloneCount()
914 clonemap::iterator x = ServerInstance->global_clones.find(this->GetIPString());
915 if (x != ServerInstance->global_clones.end())
921 unsigned long User::LocalCloneCount()
923 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
924 if (x != ServerInstance->local_clones.end())
931 * Check class restrictions
933 void User::CheckClass()
935 ConnectClass* a = this->MyClass;
937 if ((!a) || (a->GetType() == CC_DENY))
939 User::QuitUser(ServerInstance, this, "Unauthorised connection");
942 else if ((a->GetMaxLocal()) && (this->LocalCloneCount() > a->GetMaxLocal()))
944 User::QuitUser(ServerInstance, this, "No more connections allowed from your host via this connect class (local)");
945 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
948 else if ((a->GetMaxGlobal()) && (this->GlobalCloneCount() > a->GetMaxGlobal()))
950 User::QuitUser(ServerInstance, this, "No more connections allowed from your host via this connect class (global)");
951 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString());
955 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
956 this->timeout = ServerInstance->Time() + a->GetRegTimeout();
957 this->MaxChans = a->GetMaxChans();
960 void User::FullConnect()
962 ServerInstance->stats->statsConnects++;
963 this->idle_lastmsg = ServerInstance->Time();
966 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
967 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
968 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
969 * Don't remove this! -- w00t
973 /* Check the password, if one is required by the user's connect class.
974 * This CANNOT be in CheckClass(), because that is called prior to PASS as well!
976 if (this->MyClass && !this->MyClass->GetPass().empty() && !this->haspassed)
978 User::QuitUser(ServerInstance, this, "Invalid password");
984 GLine *r = (GLine *)ServerInstance->XLines->MatchesLine("G", this);
993 KLine *n = (KLine *)ServerInstance->XLines->MatchesLine("K", this);
1003 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1004 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1005 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1006 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1007 this->WriteServ("004 %s %s %s %s %s %s", this->nick, ServerInstance->Config->ServerName, VERSION, ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
1009 ServerInstance->Config->Send005(this);
1011 this->WriteServ("042 %s %s :your unique ID", this->nick, this->uuid);
1016 /* Now registered */
1017 if (ServerInstance->unregistered_count)
1018 ServerInstance->unregistered_count--;
1020 /* Trigger LUSERS output, give modules a chance too */
1022 FOREACH_RESULT(I_OnPreCommand, OnPreCommand("LUSERS", NULL, 0, this, true, "LUSERS"));
1024 ServerInstance->CallCommandHandler("LUSERS", NULL, 0, this);
1027 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
1028 * for a user that doesn't exist yet.
1030 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1032 this->registered = REG_ALL;
1034 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1036 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString(), this->fullname);
1038 ServerInstance->Log(DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
1039 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
1042 /** User::UpdateNick()
1043 * re-allocates a nick in the user_hash after they change nicknames,
1044 * returns a pointer to the new user as it may have moved
1046 User* User::UpdateNickHash(const char* New)
1050 //user_hash::iterator newnick;
1051 user_hash::iterator oldnick = ServerInstance->clientlist->find(this->nick);
1053 if (!strcasecmp(this->nick,New))
1054 return oldnick->second;
1056 if (oldnick == ServerInstance->clientlist->end())
1057 return NULL; /* doesnt exist */
1059 User* olduser = oldnick->second;
1060 (*(ServerInstance->clientlist))[New] = olduser;
1061 ServerInstance->clientlist->erase(oldnick);
1067 ServerInstance->Log(DEBUG,"Exception in User::UpdateNickHash()");
1072 void User::InvalidateCache()
1074 /* Invalidate cache */
1075 if (cached_fullhost)
1076 free(cached_fullhost);
1078 free(cached_hostip);
1079 if (cached_makehost)
1080 free(cached_makehost);
1081 if (cached_fullrealhost)
1082 free(cached_fullrealhost);
1083 cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
1086 bool User::ForceNickChange(const char* newnick)
1092 this->InvalidateCache();
1094 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1098 ServerInstance->stats->statsCollisions++;
1102 if (ServerInstance->XLines->MatchesLine("Q",newnick))
1104 ServerInstance->stats->statsCollisions++;
1108 if (this->registered == REG_ALL)
1110 std::deque<classbase*> dummy;
1111 Command* nickhandler = ServerInstance->Parser->GetHandler("NICK");
1114 nickhandler->HandleInternal(1, dummy);
1115 bool result = (ServerInstance->Parser->CallHandler("NICK", &newnick, 1, this) == CMD_SUCCESS);
1116 nickhandler->HandleInternal(0, dummy);
1125 ServerInstance->Log(DEBUG,"Exception in User::ForceNickChange()");
1130 void User::SetSockAddr(int protocol_family, const char* ip, int port)
1132 switch (protocol_family)
1134 #ifdef SUPPORT_IP6LINKS
1137 sockaddr_in6* sin = new sockaddr_in6;
1138 sin->sin6_family = AF_INET6;
1139 sin->sin6_port = port;
1140 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1141 this->ip = (sockaddr*)sin;
1147 sockaddr_in* sin = new sockaddr_in;
1148 sin->sin_family = AF_INET;
1149 sin->sin_port = port;
1150 inet_pton(AF_INET, ip, &sin->sin_addr);
1151 this->ip = (sockaddr*)sin;
1155 ServerInstance->Log(DEBUG,"Uh oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1162 if (this->ip == NULL)
1165 switch (this->GetProtocolFamily())
1167 #ifdef SUPPORT_IP6LINKS
1170 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1171 return sin->sin6_port;
1177 sockaddr_in* sin = (sockaddr_in*)this->ip;
1178 return sin->sin_port;
1187 int User::GetProtocolFamily()
1189 if (this->ip == NULL)
1192 sockaddr_in* sin = (sockaddr_in*)this->ip;
1193 return sin->sin_family;
1197 * XXX the duplication here is horrid..
1198 * do we really need two methods doing essentially the same thing?
1200 const char* User::GetIPString()
1202 static char buf[1024];
1204 if (this->ip == NULL)
1207 switch (this->GetProtocolFamily())
1209 #ifdef SUPPORT_IP6LINKS
1212 static char temp[1024];
1214 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1215 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1216 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1219 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1229 sockaddr_in* sin = (sockaddr_in*)this->ip;
1230 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1240 /** NOTE: We cannot pass a const reference to this method.
1241 * The string is changed by the workings of the method,
1242 * so that if we pass const ref, we end up copying it to
1243 * something we can change anyway. Makes sense to just let
1244 * the compiler do that copy for us.
1246 void User::Write(std::string text)
1248 if (!ServerInstance->SE->BoundsCheckFd(this))
1253 /* ServerInstance->Log(DEBUG,"C[%d] O %s", this->GetFd(), text.c_str());
1254 * WARNING: The above debug line is VERY loud, do NOT
1255 * enable it till we have a good way of filtering it
1256 * out of the logs (e.g. 1.2 would be good).
1258 text.append("\r\n");
1262 ServerInstance->Log(DEBUG,"Exception in User::Write() std::string::append");
1266 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1270 /* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to
1271 * implement their own buffering mechanisms
1273 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1275 catch (CoreException& modexcept)
1277 ServerInstance->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
1282 this->AddWriteBuf(text);
1284 ServerInstance->stats->statsSent += text.length();
1285 this->ServerInstance->SE->WantWrite(this);
1290 void User::Write(const char *text, ...)
1293 char textbuffer[MAXBUF];
1295 va_start(argsPtr, text);
1296 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1299 this->Write(std::string(textbuffer));
1302 void User::WriteServ(const std::string& text)
1304 char textbuffer[MAXBUF];
1306 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1307 this->Write(std::string(textbuffer));
1311 * Same as Write(), except `text' is prefixed with `:server.name '.
1313 void User::WriteServ(const char* text, ...)
1316 char textbuffer[MAXBUF];
1318 va_start(argsPtr, text);
1319 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1322 this->WriteServ(std::string(textbuffer));
1326 void User::WriteFrom(User *user, const std::string &text)
1330 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1332 this->Write(std::string(tb));
1336 /* write text from an originating user to originating user */
1338 void User::WriteFrom(User *user, const char* text, ...)
1341 char textbuffer[MAXBUF];
1343 va_start(argsPtr, text);
1344 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1347 this->WriteFrom(user, std::string(textbuffer));
1351 /* write text to an destination user from a source user (e.g. user privmsg) */
1353 void User::WriteTo(User *dest, const char *data, ...)
1355 char textbuffer[MAXBUF];
1358 va_start(argsPtr, data);
1359 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1362 this->WriteTo(dest, std::string(textbuffer));
1365 void User::WriteTo(User *dest, const std::string &data)
1367 dest->WriteFrom(this, data);
1371 void User::WriteCommon(const char* text, ...)
1373 char textbuffer[MAXBUF];
1376 if (this->registered != REG_ALL)
1379 va_start(argsPtr, text);
1380 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1383 this->WriteCommon(std::string(textbuffer));
1386 void User::WriteCommon(const std::string &text)
1390 bool sent_to_at_least_one = false;
1393 if (this->registered != REG_ALL)
1398 /* We dont want to be doing this n times, just once */
1399 snprintf(tb,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1400 std::string out = tb;
1402 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1404 CUList* ulist = v->first->GetUsers();
1405 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1407 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1409 already_sent[i->first->fd] = uniq_id;
1410 i->first->Write(out);
1411 sent_to_at_least_one = true;
1417 * if the user was not in any channels, no users will receive the text. Make sure the user
1418 * receives their OWN message for WriteCommon
1420 if (!sent_to_at_least_one)
1422 this->Write(std::string(tb));
1428 ServerInstance->Log(DEBUG,"Exception in User::WriteCommon()");
1433 /* write a formatted string to all users who share at least one common
1434 * channel, NOT including the source user e.g. for use in QUIT
1437 void User::WriteCommonExcept(const char* text, ...)
1439 char textbuffer[MAXBUF];
1442 va_start(argsPtr, text);
1443 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1446 this->WriteCommonExcept(std::string(textbuffer));
1449 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1454 if (this->registered != REG_ALL)
1458 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str());
1459 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str());
1460 std::string out1 = tb1;
1461 std::string out2 = tb2;
1463 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1465 CUList *ulist = v->first->GetUsers();
1466 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1468 if (this != i->first)
1470 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1472 already_sent[i->first->fd] = uniq_id;
1473 i->first->Write(IS_OPER(i->first) ? out2 : out1);
1480 void User::WriteCommonExcept(const std::string &text)
1485 if (this->registered != REG_ALL)
1489 snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1492 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1494 CUList *ulist = v->first->GetUsers();
1495 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1497 if (this != i->first)
1499 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1501 already_sent[i->first->fd] = uniq_id;
1502 i->first->Write(out1);
1510 void User::WriteWallOps(const std::string &text)
1512 if (!IS_OPER(this) && IS_LOCAL(this))
1515 std::string wallop("WALLOPS :");
1516 wallop.append(text);
1518 for (std::vector<User*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1521 if (t->IsModeSet('w'))
1522 this->WriteTo(t,wallop);
1526 void User::WriteWallOps(const char* text, ...)
1528 char textbuffer[MAXBUF];
1531 va_start(argsPtr, text);
1532 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1535 this->WriteWallOps(std::string(textbuffer));
1538 /* return 0 or 1 depending if users u and u2 share one or more common channels
1539 * (used by QUIT, NICK etc which arent channel specific notices)
1541 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1542 * the first users channels then the second users channels within the outer loop,
1543 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1544 * all possible iterations). However this new function instead checks against the
1545 * channel's userlist in the inner loop which is a std::map<User*,User*>
1546 * and saves us time as we already know what pointer value we are after.
1547 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1548 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1550 bool User::SharesChannelWith(User *other)
1552 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1556 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1558 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1559 * by replacing it with a map::find which *should* be more efficient
1561 if (i->first->HasUser(other))
1567 bool User::ChangeName(const char* gecos)
1569 if (!strcmp(gecos, this->fullname))
1575 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1578 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1580 strlcpy(this->fullname,gecos,MAXGECOS+1);
1585 bool User::ChangeDisplayedHost(const char* host)
1587 if (!strcmp(host, this->dhost))
1593 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1596 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1598 if (this->ServerInstance->Config->CycleHosts)
1599 this->WriteCommonExcept("QUIT :Changing hosts");
1601 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1602 strlcpy(this->dhost,host,64);
1604 this->InvalidateCache();
1606 if (this->ServerInstance->Config->CycleHosts)
1608 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1610 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1611 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1613 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1618 this->WriteServ("396 %s %s :is now your displayed host",this->nick,this->dhost);
1623 bool User::ChangeIdent(const char* newident)
1625 if (!strcmp(newident, this->ident))
1628 if (this->ServerInstance->Config->CycleHosts)
1629 this->WriteCommonExcept("%s","QUIT :Changing ident");
1631 strlcpy(this->ident, newident, IDENTMAX+2);
1633 this->InvalidateCache();
1635 if (this->ServerInstance->Config->CycleHosts)
1637 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1639 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1640 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1642 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1649 void User::SendAll(const char* command, char* text, ...)
1651 char textbuffer[MAXBUF];
1652 char formatbuffer[MAXBUF];
1655 va_start(argsPtr, text);
1656 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1659 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer);
1660 std::string fmt = formatbuffer;
1662 for (std::vector<User*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1669 std::string User::ChannelList(User* source)
1674 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1676 /* If the target is the same as the sender, let them see all their channels.
1677 * If the channel is NOT private/secret OR the user shares a common channel
1678 * If the user is an oper, and the <options:operspywhois> option is set.
1680 if ((source == this) || (IS_OPER(source) && ServerInstance->Config->OperSpyWhois) || (((!i->first->IsModeSet('p')) && (!i->first->IsModeSet('s'))) || (i->first->HasUser(source))))
1682 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1689 ServerInstance->Log(DEBUG,"Exception in User::ChannelList()");
1694 void User::SplitChanList(User* dest, const std::string &cl)
1697 std::ostringstream prefix;
1698 std::string::size_type start, pos, length;
1702 prefix << this->nick << " " << dest->nick << " :";
1703 line = prefix.str();
1704 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1706 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1708 length = (pos == std::string::npos) ? cl.length() : pos;
1710 if (line.length() + namelen + length - start > 510)
1712 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1713 line = prefix.str();
1716 if(pos == std::string::npos)
1718 line.append(cl.substr(start, length - start));
1723 line.append(cl.substr(start, length - start + 1));
1729 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1735 ServerInstance->Log(DEBUG,"Exception in User::SplitChanList()");
1739 unsigned int User::GetMaxChans()
1741 return this->MaxChans;
1746 * Sets a user's connection class.
1747 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1748 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1749 * then their ip will be taken as 'priority' anyway, so for example,
1750 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1752 ConnectClass* User::SetClass(const std::string &explicit_name)
1754 ConnectClass *found = NULL;
1756 if (!IS_LOCAL(this))
1759 if (!explicit_name.empty())
1761 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1763 ConnectClass* c = *i;
1765 if (explicit_name == c->GetName() && !c->GetDisabled())
1773 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1775 ConnectClass* c = *i;
1777 if (((match(this->GetIPString(),c->GetHost().c_str(),true)) || (match(this->host,c->GetHost().c_str()))))
1781 if (this->GetPort() == c->GetPort() && !c->GetDisabled())
1790 if (!c->GetDisabled())
1797 /* ensure we don't fuck things up refcount wise, only remove them from a class if we find a new one :P */
1800 /* deny change if change will take class over the limit */
1801 if (found->limit && (found->RefCount + 1 >= found->limit))
1803 ServerInstance->Log(DEBUG, "OOPS: Connect class limit (%u) hit, denying", found->limit);
1804 return this->MyClass;
1807 /* should always be valid, but just in case .. */
1810 if (found == this->MyClass) // no point changing this shit :P
1811 return this->MyClass;
1812 this->MyClass->RefCount--;
1813 ServerInstance->Log(DEBUG, "Untying user from connect class -- refcount: %u", this->MyClass->RefCount);
1816 this->MyClass = found;
1817 this->MyClass->RefCount++;
1818 ServerInstance->Log(DEBUG, "User tied to new class -- connect refcount now: %u", this->MyClass->RefCount);
1821 return this->MyClass;
1824 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1825 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1826 * then their ip will be taken as 'priority' anyway, so for example,
1827 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1829 ConnectClass* User::GetClass()
1831 return this->MyClass;
1834 void User::PurgeEmptyChannels()
1836 std::vector<Channel*> to_delete;
1838 // firstly decrement the count on each channel
1839 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1841 f->first->RemoveAllPrefixes(this);
1842 if (f->first->DelUser(this) == 0)
1844 /* No users left in here, mark it for deletion */
1847 to_delete.push_back(f->first);
1851 ServerInstance->Log(DEBUG,"Exception in User::PurgeEmptyChannels to_delete.push_back()");
1856 for (std::vector<Channel*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1858 Channel* thischan = *n;
1859 chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name);
1860 if (i2 != ServerInstance->chanlist->end())
1862 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1864 ServerInstance->chanlist->erase(i2);
1865 this->chans.erase(*n);
1872 void User::ShowMOTD()
1874 if (!ServerInstance->Config->MOTD.size())
1876 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1879 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1881 for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
1882 this->WriteServ("372 %s :- %s",this->nick,i->c_str());
1884 this->WriteServ("376 %s :End of message of the day.", this->nick);
1887 void User::ShowRULES()
1889 if (!ServerInstance->Config->RULES.size())
1891 this->WriteServ("434 %s :RULES File is missing",this->nick);
1895 this->WriteServ("308 %s :- %s Server Rules -",this->nick,ServerInstance->Config->ServerName);
1897 for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
1898 this->WriteServ("232 %s :- %s",this->nick,i->c_str());
1900 this->WriteServ("309 %s :End of RULES command.",this->nick);
1903 void User::HandleEvent(EventType et, int errornum)
1905 /* WARNING: May delete this user! */
1906 int thisfd = this->GetFd();
1913 ServerInstance->ProcessUser(this);
1916 this->FlushWriteBuf();
1919 /** This should be safe, but dont DARE do anything after it -- Brain */
1920 this->SetWriteError(errornum ? strerror(errornum) : "EOF from client");
1926 ServerInstance->Log(DEBUG,"Exception in User::HandleEvent intercepted");
1929 /* If the user has raised an error whilst being processed, quit them now we're safe to */
1930 if ((ServerInstance->SE->GetRef(thisfd) == this))
1932 if (!WriteError.empty())
1934 User::QuitUser(ServerInstance, this, GetWriteError());
1939 void User::SetOperQuit(const std::string &oquit)
1944 operquit = strdup(oquit.c_str());
1947 const char* User::GetOperQuit()
1949 return operquit ? operquit : "";
1952 void User::IncreasePenalty(int increase)
1954 this->Penalty += increase;
1957 void User::DecreasePenalty(int decrease)
1959 this->Penalty -= decrease;
1970 bool VisData::VisibleTo(User* user)