1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 #include "inspircd_config.h"
18 #include "configreader.h"
20 #include "connection.h"
24 #include "inspstring.h"
28 #include "socketengine.h"
32 #include "cull_list.h"
34 irc::whowas::whowas_users whowas;
35 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
37 typedef std::map<irc::string,char*> opertype_t;
38 typedef opertype_t operclass_t;
41 operclass_t operclass;
43 /* XXX: Used for speeding up WriteCommon operations */
44 unsigned long uniq_id = 0;
46 bool InitTypes(ServerConfig* conf, const char* tag)
48 for (opertype_t::iterator n = opertypes.begin(); n != opertypes.end(); n++)
58 bool InitClasses(ServerConfig* conf, const char* tag)
60 for (operclass_t::iterator n = operclass.begin(); n != operclass.end(); n++)
70 bool DoType(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
72 char* TypeName = (char*)values[0];
73 char* Classes = (char*)values[1];
75 opertypes[TypeName] = strdup(Classes);
76 conf->GetInstance()->Log(DEBUG,"Read oper TYPE '%s' with classes '%s'",TypeName,Classes);
80 bool DoClass(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
82 char* ClassName = (char*)values[0];
83 char* CommandList = (char*)values[1];
85 operclass[ClassName] = strdup(CommandList);
86 conf->GetInstance()->Log(DEBUG,"Read oper CLASS '%s' with commands '%s'",ClassName,CommandList);
90 bool DoneClassesAndTypes(ServerConfig* conf, const char* tag)
95 std::string userrec::ProcessNoticeMasks(const char *sm)
97 bool adding = true, oldadding = false;
99 std::string output = "";
101 ServerInstance->Log(DEBUG,"Process notice masks");
105 ServerInstance->Log(DEBUG,"Process notice mask %c",*c);
116 if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c)))
118 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
120 if ((oldadding != adding) || (sm == c))
121 output += (adding ? '+' : '-');
123 this->SetNoticeMask(*c, adding);
138 void userrec::StartDNSLookup()
140 ServerInstance->Log(DEBUG,"Commencing reverse lookup");
143 ServerInstance->Log(DEBUG,"Passing instance: %08x",this->ServerInstance);
144 res_reverse = new UserResolver(this->ServerInstance, this, this->GetIPString(), false);
145 this->ServerInstance->AddResolver(res_reverse);
147 catch (ModuleException& e)
149 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
153 UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, bool forward) :
154 Resolver(Instance, to_resolve, forward ? DNS_QUERY_FORWARD : DNS_QUERY_REVERSE), bound_user(user)
157 this->bound_fd = user->GetFd();
160 void UserResolver::OnLookupComplete(const std::string &result)
162 if ((!this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
164 ServerInstance->Log(DEBUG,"Commencing forward lookup");
165 this->bound_user->stored_host = result;
168 /* Check we didnt time out */
169 if (this->bound_user->registered != REG_ALL)
171 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, true);
172 this->ServerInstance->AddResolver(bound_user->res_forward);
175 catch (ModuleException& e)
177 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
180 else if ((this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
182 /* Both lookups completed */
183 if (this->bound_user->GetIPString() == result)
185 std::string hostname = this->bound_user->stored_host;
186 if (hostname.length() < 65)
188 /* Check we didnt time out */
189 if (this->bound_user->registered != REG_ALL)
191 /* Hostnames starting with : are not a good thing (tm) */
192 if (*(hostname.c_str()) == ':')
193 hostname = "0" + hostname;
195 this->bound_user->WriteServ("NOTICE Auth :*** Found your hostname (%s)", hostname.c_str());
196 this->bound_user->dns_done = true;
197 strlcpy(this->bound_user->dhost, hostname.c_str(),64);
198 strlcpy(this->bound_user->host, hostname.c_str(),64);
203 this->bound_user->WriteServ("NOTICE Auth :*** Your hostname is longer than the maximum of 64 characters, using your IP address (%s) instead.", this->bound_user->GetIPString());
208 this->bound_user->WriteServ("NOTICE Auth :*** Your hostname does not match up with your IP address. Sorry, using your IP address (%s) instead.", this->bound_user->GetIPString());
213 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
215 if (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)
217 /* Error message here */
218 this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname, using your IP address (%s) instead.", this->bound_user->GetIPString());
219 this->bound_user->dns_done = true;
224 bool userrec::IsNoticeMaskSet(unsigned char sm)
226 return (snomasks[sm-65]);
229 void userrec::SetNoticeMask(unsigned char sm, bool value)
231 snomasks[sm-65] = value;
234 const char* userrec::FormatNoticeMasks()
236 static char data[MAXBUF];
239 for (int n = 0; n < 64; n++)
242 data[offset++] = n+65;
251 bool userrec::IsModeSet(unsigned char m)
253 return (modes[m-65]);
256 void userrec::SetMode(unsigned char m, bool value)
261 const char* userrec::FormatModes()
263 static char data[MAXBUF];
265 for (int n = 0; n < 64; n++)
268 data[offset++] = n+65;
274 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
276 ServerInstance->Log(DEBUG,"userrec::userrec(): Instance: %08x",ServerInstance);
277 // the PROPER way to do it, AVOID bzero at *ALL* costs
278 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
279 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
280 reset_due = ServerInstance->Time();
281 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
282 timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
283 haspassed = dns_done = false;
288 res_forward = res_reverse = NULL;
292 chans.resize(MAXCHANS);
293 memset(modes,0,sizeof(modes));
294 memset(snomasks,0,sizeof(snomasks));
296 for (unsigned int n = 0; n < MAXCHANS; n++)
298 ucrec* x = new ucrec();
307 for (std::vector<ucrec*>::iterator n = chans.begin(); n != chans.end(); n++)
309 ucrec* x = (ucrec*)*n;
315 if (this->GetProtocolFamily() == AF_INET)
317 delete (sockaddr_in*)ip;
319 #ifdef SUPPORT_IP6LINKS
322 delete (sockaddr_in6*)ip;
328 /* XXX - minor point, other *Host functions return a char *, this one creates it. Might be nice to be consistant? */
329 void userrec::MakeHost(char* nhost)
331 /* This is much faster than snprintf */
333 for(char* n = ident; *n; n++)
336 for(char* n = host; *n; n++)
341 void userrec::CloseSocket()
343 shutdown(this->fd,2);
347 char* userrec::GetFullHost()
349 static char result[MAXBUF];
351 for(char* n = nick; *n; n++)
354 for(char* n = ident; *n; n++)
357 for(char* n = dhost; *n; n++)
363 char* userrec::MakeWildHost()
365 static char nresult[MAXBUF];
367 *t++ = '*'; *t++ = '!';
368 *t++ = '*'; *t++ = '@';
369 for(char* n = dhost; *n; n++)
375 int userrec::ReadData(void* buffer, size_t size)
379 return read(this->fd, buffer, size);
386 char* userrec::GetFullRealHost()
388 static char fresult[MAXBUF];
390 for(char* n = nick; *n; n++)
393 for(char* n = ident; *n; n++)
396 for(char* n = host; *n; n++)
402 bool userrec::IsInvited(irc::string &channel)
404 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
406 irc::string compare = i->channel;
408 if (compare == channel)
416 InvitedList* userrec::GetInviteList()
421 void userrec::InviteTo(irc::string &channel)
425 invites.push_back(i);
428 void userrec::RemoveInvite(irc::string &channel)
430 ServerInstance->Log(DEBUG,"Removing invites");
434 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
436 irc::string compare = i->channel;
438 if (compare == channel)
447 bool userrec::HasPermission(const std::string &command)
454 * users on remote servers can completely bypass all permissions based checks.
455 * This prevents desyncs when one server has different type/class tags to another.
456 * That having been said, this does open things up to the possibility of source changes
457 * allowing remote kills, etc - but if they have access to the src, they most likely have
458 * access to the conf - so it's an end to a means either way.
463 // are they even an oper at all?
466 opertype_t::iterator iter_opertype = opertypes.find(this->oper);
467 if (iter_opertype != opertypes.end())
469 char* Classes = strdup(iter_opertype->second);
470 char* myclass = strtok_r(Classes," ",&savept);
473 operclass_t::iterator iter_operclass = operclass.find(myclass);
474 if (iter_operclass != operclass.end())
476 char* CommandList = strdup(iter_operclass->second);
477 mycmd = strtok_r(CommandList," ",&savept2);
480 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
486 mycmd = strtok_r(NULL," ",&savept2);
490 myclass = strtok_r(NULL," ",&savept);
498 /** NOTE: We cannot pass a const reference to this method.
499 * The string is changed by the workings of the method,
500 * so that if we pass const ref, we end up copying it to
501 * something we can change anyway. Makes sense to just let
502 * the compiler do that copy for us.
504 bool userrec::AddBuffer(std::string a)
506 std::string::size_type i = a.rfind('\r');
508 while (i != std::string::npos)
517 if (recvq.length() > (unsigned)this->recvqmax)
519 this->SetWriteError("RecvQ exceeded");
520 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
527 bool userrec::BufferIsReady()
529 return (recvq.find('\n') != std::string::npos);
532 void userrec::ClearBuffer()
537 std::string userrec::GetBuffer()
542 /* Strip any leading \r or \n off the string.
543 * Usually there are only one or two of these,
544 * so its is computationally cheap to do.
546 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
547 recvq.erase(recvq.begin());
549 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
551 /* Find the first complete line, return it as the
552 * result, and leave the recvq as whats left
556 std::string ret = std::string(recvq.begin(), x);
557 recvq.erase(recvq.begin(), x + 1);
564 void userrec::AddWriteBuf(const std::string &data)
566 if (*this->GetWriteError())
569 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
572 * Fix by brain - Set the error text BEFORE calling writeopers, because
573 * if we dont it'll recursively call here over and over again trying
574 * to repeatedly add the text to the sendq!
576 this->SetWriteError("SendQ exceeded");
577 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
581 if (data.length() > 512)
583 std::string newdata(data);
585 newdata.append("\r\n");
586 sendq.append(newdata);
594 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
595 void userrec::FlushWriteBuf()
597 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
599 const char* tb = this->sendq.c_str();
600 int n_sent = write(this->fd,tb,this->sendq.length());
604 this->SetWriteError(strerror(errno));
611 // update the user's stats counters
612 this->bytes_out += n_sent;
618 void userrec::SetWriteError(const std::string &error)
620 ServerInstance->Log(DEBUG,"SetWriteError: %s",error.c_str());
621 // don't try to set the error twice, its already set take the first string.
622 if (!this->WriteError.length())
624 ServerInstance->Log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
625 this->WriteError = error;
629 const char* userrec::GetWriteError()
631 return this->WriteError.c_str();
634 void userrec::Oper(const std::string &opertype)
636 this->modes[UM_OPERATOR] = 1;
637 this->WriteServ("MODE %s :+o", this->nick);
638 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
639 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
640 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
641 ServerInstance->all_opers.push_back(this);
642 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
645 void userrec::UnOper()
650 this->modes[UM_OPERATOR] = 0;
651 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
655 ServerInstance->Log(DEBUG,"Oper removed from optimization list");
656 ServerInstance->all_opers.erase(a);
663 void userrec::QuitUser(InspIRCd* Instance, userrec *user,const std::string &quitreason)
665 user_hash::iterator iter = Instance->clientlist.find(user->nick);
668 * I'm pretty sure returning here is causing a desync when part of the net thinks a user is gone,
669 * and another part doesn't. We want to broadcast the quit/kill before bailing so the net stays in sync.
671 * I can't imagine this blowing up, so I'm commenting it out. We still check
672 * before playing with a bad iterator below in our if(). DISCUSS THIS BEFORE YOU DO ANYTHING. --w00t
674 * if (iter == clientlist.end())
677 std::string reason = quitreason;
679 if (reason.length() > MAXQUIT - 1)
680 reason.resize(MAXQUIT - 1);
683 user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str());
685 if (user->registered == REG_ALL)
687 user->PurgeEmptyChannels();
688 FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason));
689 user->WriteCommonExcept("QUIT :%s",reason.c_str());
693 user->FlushWriteBuf();
695 FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user));
699 if (Instance->Config->GetIOHook(user->GetPort()))
703 Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd);
705 catch (ModuleException& modexcept)
707 Instance->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
711 Instance->SE->DelFd(user);
716 * this must come before the ServerInstance->WriteOpers so that it doesnt try to fill their buffer with anything
717 * if they were an oper with +s.
720 * In the current implementation, we only show local quits, as we only show local connects. With
721 * the proposed implmentation of snomasks however, this will likely change in the (near?) future.
723 if (user->registered == REG_ALL)
726 Instance->SNO->WriteToSnoMask('q',"*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str());
730 if (iter != Instance->clientlist.end())
732 Instance->Log(DEBUG,"deleting user hash value %lx",(unsigned long)user);
735 if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end())
736 Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user));
738 Instance->clientlist.erase(iter);
748 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
750 this->host = strdup(user->host);
751 this->dhost = strdup(user->dhost);
752 this->ident = strdup(user->ident);
753 this->server = user->server;
754 this->gecos = strdup(user->fullname);
757 WhoWasGroup::~WhoWasGroup()
769 /* every hour, run this function which removes all entries over 3 days */
770 void MaintainWhoWas(time_t t)
772 for (whowas_users::iterator iter = ::whowas.begin(); iter != ::whowas.end(); iter++)
774 whowas_set* n = (whowas_set*)iter->second;
777 while ((n->begin() != n->end()) && ((*n->begin())->signon < t - 259200)) // 3 days
779 WhoWasGroup *a = *(n->begin());
781 n->erase(n->begin());
789 /* adds or updates an entry in the whowas list */
790 void userrec::AddToWhoWas()
792 irc::whowas::whowas_users::iterator iter = whowas.find(this->nick);
794 if (iter == whowas.end())
796 irc::whowas::whowas_set* n = new irc::whowas::whowas_set;
797 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
799 whowas[this->nick] = n;
803 irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second;
805 if (group->size() > 10)
807 irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin());
812 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
817 /* add a client connection to the sockets list */
818 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip)
820 std::string tempnick = ConvToStr(socket) + "-unknown";
821 user_hash::iterator iter = Instance->clientlist.find(tempnick);
822 const char *ipaddr = insp_ntoa(ip);
828 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
829 * using one as a registered connection. As they are per fd, we can also safely assume
830 * that we wont have collisions. Therefore, if the nick exists in the list, its only
831 * used by a dead socket, erase the iterator so that the new client may reclaim it.
832 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
833 * issue in earlier alphas/betas
835 if (iter != Instance->clientlist.end())
837 userrec* goner = iter->second;
839 Instance->clientlist.erase(iter);
842 Instance->Log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
844 _new = new userrec(Instance);
845 Instance->clientlist[tempnick] = _new;
847 strlcpy(_new->nick,tempnick.c_str(),NICKMAX-1);
849 _new->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
850 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
851 strcpy(_new->ident, "unknown");
853 _new->registered = REG_NONE;
854 _new->signon = Instance->Time() + Instance->Config->dns_timeout;
857 Instance->Log(DEBUG,"Setting socket addresses");
858 _new->SetSockAddr(AF_FAMILY, ipaddr, port);
859 Instance->Log(DEBUG,"Socket addresses set.");
861 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
862 for (const char* temp = _new->GetIPString(); *temp && j < 64; temp++, j++)
863 _new->dhost[j] = _new->host[j] = *temp;
864 _new->dhost[j] = _new->host[j] = 0;
866 // set the registration timeout for this user
867 unsigned long class_regtimeout = 90;
869 long class_threshold = 5;
870 long class_sqmax = 262144; // 256kb
871 long class_rqmax = 4096; // 4k
873 for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++)
875 if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true)))
877 class_regtimeout = (unsigned long)i->registration_timeout;
878 class_flood = i->flood;
879 _new->pingmax = i->pingtime;
880 class_threshold = i->threshold;
881 class_sqmax = i->sendqmax;
882 class_rqmax = i->recvqmax;
887 _new->nping = Instance->Time() + _new->pingmax + Instance->Config->dns_timeout;
888 _new->timeout = Instance->Time() + class_regtimeout;
889 _new->flood = class_flood;
890 _new->threshold = class_threshold;
891 _new->sendqmax = class_sqmax;
892 _new->recvqmax = class_rqmax;
894 Instance->local_users.push_back(_new);
896 if (Instance->local_users.size() > Instance->Config->SoftLimit)
898 userrec::QuitUser(Instance, _new,"No more connections allowed");
902 if (Instance->local_users.size() >= MAXCLIENTS)
904 userrec::QuitUser(Instance, _new,"No more connections allowed");
910 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
911 * its a pretty big but for the moment valid assumption:
912 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
913 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
914 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
915 * which for the time being is a physical impossibility (even the largest networks dont have more
916 * than about 10,000 users on ONE server!)
918 if ((unsigned)socket >= MAX_DESCRIPTORS)
920 userrec::QuitUser(Instance, _new,"Server is full");
923 char* e = Instance->XLines->matches_exception(ipaddr);
926 char* r = Instance->XLines->matches_zline(ipaddr);
930 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
931 userrec::QuitUser(Instance, _new,reason);
938 if (!Instance->SE->AddFd(_new))
940 userrec::QuitUser(Instance, _new, "Internal error handling connection");
945 _new->WriteServ("NOTICE Auth :*** Looking up your hostname...");
948 long userrec::GlobalCloneCount()
953 for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++)
955 /* We have to match ip's as strings - we don't know what protocol
956 * a remote user may be using
958 if (!strcasecmp(a->second->GetIPString(u1), this->GetIPString(u2)))
964 long userrec::LocalCloneCount()
967 for (std::vector<userrec*>::const_iterator a = ServerInstance->local_users.begin(); a != ServerInstance->local_users.end(); a++)
971 /* I dont think theres any faster way of matching two ipv6 addresses than memcmp */
972 in6_addr* s1 = &(((sockaddr_in6*)comp->ip)->sin6_addr);
973 in6_addr* s2 = &(((sockaddr_in6*)this->ip)->sin6_addr);
974 if (!memcmp(s1->s6_addr, s2->s6_addr, sizeof(in6_addr)))
977 in_addr* s1 = &((sockaddr_in*)comp->ip)->sin_addr;
978 in_addr* s2 = &((sockaddr_in*)this->ip)->sin_addr;
979 if (s1->s_addr == s2->s_addr)
986 void userrec::FullConnect(CullList* Goners)
988 ServerInstance->stats->statsConnects++;
989 this->idle_lastmsg = ServerInstance->Time();
991 ConnectClass a = this->GetClass();
993 if (a.type == CC_DENY)
995 Goners->AddItem(this,"Unauthorised connection");
999 if ((*(a.pass.c_str())) && (!this->haspassed))
1001 Goners->AddItem(this,"Invalid password");
1005 if (this->LocalCloneCount() > a.maxlocal)
1007 Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)");
1008 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString());
1011 else if (this->GlobalCloneCount() > a.maxglobal)
1013 Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)");
1014 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString());
1018 char match_against[MAXBUF];
1019 snprintf(match_against,MAXBUF,"%s@%s", this->ident, this->host);
1020 char* e = ServerInstance->XLines->matches_exception(match_against);
1024 char* r = ServerInstance->XLines->matches_gline(match_against);
1028 char reason[MAXBUF];
1029 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1030 Goners->AddItem(this, reason);
1034 r = ServerInstance->XLines->matches_kline(match_against);
1038 char reason[MAXBUF];
1039 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1040 Goners->AddItem(this, reason);
1046 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1047 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1048 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1049 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1050 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());
1052 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1053 // so i'd better split it :)
1054 std::stringstream out(ServerInstance->Config->data005);
1055 std::string token = "";
1056 std::string line5 = "";
1057 int token_counter = 0;
1062 line5 = line5 + token + " ";
1065 if ((token_counter >= 13) || (out.eof() == true))
1067 this->WriteServ("005 %s %s:are supported by this server", this->nick, line5.c_str());
1076 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1077 * changes dont go out onto the network and produce 'fake direction'.
1079 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1080 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1081 this->registered = REG_ALL;
1082 ServerInstance->SNO->WriteToSnoMask('c',"*** Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1085 /** userrec::UpdateNick()
1086 * re-allocates a nick in the user_hash after they change nicknames,
1087 * returns a pointer to the new user as it may have moved
1089 userrec* userrec::UpdateNickHash(const char* New)
1091 //user_hash::iterator newnick;
1092 user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick);
1094 if (!strcasecmp(this->nick,New))
1095 return oldnick->second;
1097 if (oldnick == ServerInstance->clientlist.end())
1098 return NULL; /* doesnt exist */
1100 userrec* olduser = oldnick->second;
1101 ServerInstance->clientlist[New] = olduser;
1102 ServerInstance->clientlist.erase(oldnick);
1103 return ServerInstance->clientlist[New];
1106 bool userrec::ForceNickChange(const char* newnick)
1113 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1117 ServerInstance->stats->statsCollisions++;
1121 if (ServerInstance->XLines->matches_qline(newnick))
1123 ServerInstance->stats->statsCollisions++;
1129 strlcpy(this->nick, newnick, NICKMAX - 1);
1131 if (this->registered == REG_ALL)
1133 const char* pars[1];
1135 std::string cmd = "NICK";
1136 ServerInstance->Parser->CallHandler(cmd, pars, 1, this);
1141 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1143 switch (protocol_family)
1145 #ifdef SUPPORT_IP6LINKS
1148 ServerInstance->Log(DEBUG,"Set inet6 protocol address");
1149 sockaddr_in6* sin = new sockaddr_in6;
1150 sin->sin6_family = AF_INET6;
1151 sin->sin6_port = port;
1152 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1153 this->ip = (sockaddr*)sin;
1159 ServerInstance->Log(DEBUG,"Set inet4 protocol address");
1160 sockaddr_in* sin = new sockaddr_in;
1161 sin->sin_family = AF_INET;
1162 sin->sin_port = port;
1163 inet_pton(AF_INET, ip, &sin->sin_addr);
1164 this->ip = (sockaddr*)sin;
1168 ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1173 int userrec::GetPort()
1175 if (this->ip == NULL)
1178 switch (this->GetProtocolFamily())
1180 #ifdef SUPPORT_IP6LINKS
1183 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1184 return sin->sin6_port;
1190 sockaddr_in* sin = (sockaddr_in*)this->ip;
1191 return sin->sin_port;
1195 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1201 int userrec::GetProtocolFamily()
1203 if (this->ip == NULL)
1206 sockaddr_in* sin = (sockaddr_in*)this->ip;
1207 return sin->sin_family;
1210 const char* userrec::GetIPString()
1212 static char buf[1024];
1214 if (this->ip == NULL)
1217 switch (this->GetProtocolFamily())
1219 #ifdef SUPPORT_IP6LINKS
1222 static char temp[1024];
1224 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1225 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1226 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1229 strlcpy(&temp[1], buf, sizeof(temp));
1239 sockaddr_in* sin = (sockaddr_in*)this->ip;
1240 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1245 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1251 const char* userrec::GetIPString(char* buf)
1253 if (this->ip == NULL)
1259 switch (this->GetProtocolFamily())
1261 #ifdef SUPPORT_IP6LINKS
1264 static char temp[1024];
1266 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1267 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1268 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1271 strlcpy(&temp[1], buf, sizeof(temp));
1273 strlcpy(buf, temp, sizeof(temp));
1281 sockaddr_in* sin = (sockaddr_in*)this->ip;
1282 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1288 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1294 /** NOTE: We cannot pass a const reference to this method.
1295 * The string is changed by the workings of the method,
1296 * so that if we pass const ref, we end up copying it to
1297 * something we can change anyway. Makes sense to just let
1298 * the compiler do that copy for us.
1300 void userrec::Write(std::string text)
1302 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1305 text.append("\r\n");
1307 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1311 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1313 catch (ModuleException& modexcept)
1315 ServerInstance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
1320 this->AddWriteBuf(text);
1322 ServerInstance->stats->statsSent += text.length();
1327 void userrec::Write(const char *text, ...)
1330 char textbuffer[MAXBUF];
1332 va_start(argsPtr, text);
1333 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1336 this->Write(std::string(textbuffer));
1339 void userrec::WriteServ(const std::string& text)
1341 char textbuffer[MAXBUF];
1343 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1344 this->Write(std::string(textbuffer));
1348 * Same as Write(), except `text' is prefixed with `:server.name '.
1350 void userrec::WriteServ(const char* text, ...)
1353 char textbuffer[MAXBUF];
1355 va_start(argsPtr, text);
1356 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1359 this->WriteServ(std::string(textbuffer));
1363 void userrec::WriteFrom(userrec *user, const std::string &text)
1367 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1369 this->Write(std::string(tb));
1373 /* write text from an originating user to originating user */
1375 void userrec::WriteFrom(userrec *user, const char* text, ...)
1378 char textbuffer[MAXBUF];
1380 va_start(argsPtr, text);
1381 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1384 this->WriteFrom(user, std::string(textbuffer));
1388 /* write text to an destination user from a source user (e.g. user privmsg) */
1390 void userrec::WriteTo(userrec *dest, const char *data, ...)
1392 char textbuffer[MAXBUF];
1395 va_start(argsPtr, data);
1396 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1399 this->WriteTo(dest, std::string(textbuffer));
1402 void userrec::WriteTo(userrec *dest, const std::string &data)
1404 dest->WriteFrom(this, data);
1408 void userrec::WriteCommon(const char* text, ...)
1410 char textbuffer[MAXBUF];
1413 if (this->registered != REG_ALL)
1416 va_start(argsPtr, text);
1417 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1420 this->WriteCommon(std::string(textbuffer));
1423 void userrec::WriteCommon(const std::string &text)
1425 bool sent_to_at_least_one = false;
1427 if (this->registered != REG_ALL)
1432 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1437 CUList *ulist= n->channel->GetUsers();
1439 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1441 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1443 already_sent[i->second->fd] = uniq_id;
1444 i->second->WriteFrom(this, std::string(text));
1445 sent_to_at_least_one = true;
1452 * if the user was not in any channels, no users will receive the text. Make sure the user
1453 * receives their OWN message for WriteCommon
1455 if (!sent_to_at_least_one)
1457 this->WriteFrom(this,std::string(text));
1462 /* write a formatted string to all users who share at least one common
1463 * channel, NOT including the source user e.g. for use in QUIT
1466 void userrec::WriteCommonExcept(const char* text, ...)
1468 char textbuffer[MAXBUF];
1471 va_start(argsPtr, text);
1472 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1475 this->WriteCommonExcept(std::string(textbuffer));
1478 void userrec::WriteCommonExcept(const std::string &text)
1480 bool quit_munge = false;
1481 char oper_quit[MAXBUF];
1482 char textbuffer[MAXBUF];
1484 strlcpy(textbuffer, text.c_str(), MAXBUF);
1486 if (this->registered != REG_ALL)
1491 /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
1492 * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
1495 if (ServerInstance->Config->HideSplits)
1497 char* check = textbuffer + 6;
1499 if (!strncasecmp(textbuffer, "QUIT :",6))
1501 std::stringstream split(check);
1502 std::string server_one;
1503 std::string server_two;
1505 split >> server_one;
1506 split >> server_two;
1508 if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
1510 strlcpy(oper_quit,textbuffer,MAXQUIT);
1511 strlcpy(check,"*.net *.split",MAXQUIT);
1517 if ((ServerInstance->Config->HideBans) && (!quit_munge))
1519 if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
1520 || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
1522 char* check = textbuffer + 13;
1523 strlcpy(oper_quit,textbuffer,MAXQUIT);
1524 *check = 0; // We don't need to strlcpy, we just chop it from the :
1529 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1534 CUList *ulist= n->channel->GetUsers();
1536 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1538 if (this != i->second)
1540 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1542 already_sent[i->second->fd] = uniq_id;
1544 i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer));
1546 i->second->WriteFrom(this, std::string(textbuffer));
1555 void userrec::WriteWallOps(const std::string &text)
1557 /* Does nothing if theyre not opered */
1558 if ((!*this->oper) && (IS_LOCAL(this)))
1561 std::string wallop = "WALLOPS :";
1562 wallop.append(text);
1564 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1567 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1568 this->WriteTo(t,wallop);
1572 void userrec::WriteWallOps(const char* text, ...)
1574 char textbuffer[MAXBUF];
1577 va_start(argsPtr, text);
1578 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1581 this->WriteWallOps(std::string(textbuffer));
1584 /* return 0 or 1 depending if users u and u2 share one or more common channels
1585 * (used by QUIT, NICK etc which arent channel specific notices)
1587 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1588 * the first users channels then the second users channels within the outer loop,
1589 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1590 * all possible iterations). However this new function instead checks against the
1591 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1592 * and saves us time as we already know what pointer value we are after.
1593 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1594 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1596 bool userrec::SharesChannelWith(userrec *other)
1598 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1602 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1604 /* Fetch the channel from the user */
1605 ucrec* user_channel = *i;
1607 if (user_channel->channel)
1609 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1610 * by replacing it with a map::find which *should* be more efficient
1612 if (user_channel->channel->HasUser(other))
1619 int userrec::CountChannels()
1622 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1628 bool userrec::ChangeName(const char* gecos)
1633 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1636 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1638 strlcpy(this->fullname,gecos,MAXGECOS+1);
1642 bool userrec::ChangeDisplayedHost(const char* host)
1647 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1650 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1652 if (this->ServerInstance->Config->CycleHosts)
1653 this->WriteCommonExcept("%s","QUIT :Changing hosts");
1655 strlcpy(this->dhost,host,63);
1657 if (this->ServerInstance->Config->CycleHosts)
1659 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1663 (*i)->channel->WriteAllExceptSender(this, 0, "JOIN %s", (*i)->channel->name);
1664 std::string n = this->ServerInstance->Modes->ModeString(this, (*i)->channel);
1666 (*i)->channel->WriteChannelWithServ(this->ServerInstance->Config->ServerName, "MODE %s +%s", (*i)->channel->name, n.c_str());
1672 this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
1677 bool userrec::ChangeIdent(const char* newident)
1679 if (this->ServerInstance->Config->CycleHosts)
1680 this->WriteCommonExcept("%s","QUIT :Changing ident");
1682 strlcpy(this->ident, newident, IDENTMAX+2);
1684 if (this->ServerInstance->Config->CycleHosts)
1686 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1690 (*i)->channel->WriteAllExceptSender(this, 0, "JOIN %s", (*i)->channel->name);
1691 std::string n = this->ServerInstance->Modes->ModeString(this, (*i)->channel);
1693 (*i)->channel->WriteChannelWithServ(this->ServerInstance->Config->ServerName, "MODE %s +%s", (*i)->channel->name, n.c_str());
1701 void userrec::NoticeAll(char* text, ...)
1703 char textbuffer[MAXBUF];
1704 char formatbuffer[MAXBUF];
1707 va_start(argsPtr, text);
1708 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1711 snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
1713 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1716 t->WriteFrom(this, std::string(formatbuffer));
1721 std::string userrec::ChannelList(userrec* source)
1724 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1728 if(rec->channel && rec->channel->name)
1730 /* If the target is the same as the sender, let them see all their channels.
1731 * If the channel is NOT private/secret OR the user shares a common channel
1732 * If the user is an oper, and the <options:operspywhois> option is set.
1734 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!rec->channel->modes[CM_PRIVATE]) && (!rec->channel->modes[CM_SECRET])) || (rec->channel->HasUser(source))))
1736 list.append(rec->channel->GetPrefixChar(this)).append(rec->channel->name).append(" ");
1743 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1746 std::ostringstream prefix;
1747 std::string::size_type start, pos, length;
1749 prefix << ":" << ServerInstance->Config->ServerName << " 319 " << this->nick << " " << dest->nick << " :";
1750 line = prefix.str();
1752 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1754 length = (pos == std::string::npos) ? cl.length() : pos;
1756 if (line.length() + length - start > 510)
1759 line = prefix.str();
1762 if(pos == std::string::npos)
1764 line.append(cl.substr(start, length - start));
1769 line.append(cl.substr(start, length - start + 1));
1780 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1781 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1782 * then their ip will be taken as 'priority' anyway, so for example,
1783 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1785 ConnectClass& userrec::GetClass()
1787 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1789 if ((match(this->GetIPString(),i->host.c_str(),true)) || (match(this->host,i->host.c_str())))
1793 return *(ServerInstance->Config->Classes.begin());
1796 void userrec::PurgeEmptyChannels()
1798 std::vector<chanrec*> to_delete;
1800 // firstly decrement the count on each channel
1801 for (std::vector<ucrec*>::iterator f = this->chans.begin(); f != this->chans.end(); f++)
1806 uc->channel->RemoveAllPrefixes(this);
1807 if (uc->channel->DelUser(this) == 0)
1809 /* No users left in here, mark it for deletion */
1810 to_delete.push_back(uc->channel);
1816 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1818 chanrec* thischan = *n;
1819 chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name);
1820 if (i2 != ServerInstance->chanlist.end())
1822 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1824 ServerInstance->chanlist.erase(i2);
1831 void userrec::ShowMOTD()
1833 if (!ServerInstance->Config->MOTD.size())
1835 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1838 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1840 for (unsigned int i = 0; i < ServerInstance->Config->MOTD.size(); i++)
1841 this->WriteServ("372 %s :- %s",this->nick,ServerInstance->Config->MOTD[i].c_str());
1843 this->WriteServ("376 %s :End of message of the day.", this->nick);
1846 void userrec::ShowRULES()
1848 if (!ServerInstance->Config->RULES.size())
1850 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1853 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1855 for (unsigned int i = 0; i < ServerInstance->Config->RULES.size(); i++)
1856 this->WriteServ("NOTICE %s :%s",this->nick,ServerInstance->Config->RULES[i].c_str());
1858 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
1861 void userrec::HandleEvent(EventType et)
1863 /* WARNING: May delete this user! */
1864 ServerInstance->ProcessUser(this);