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 "configreader.h"
22 #include "socketengine.h"
25 #include "cull_list.h"
27 irc::whowas::whowas_users whowas;
28 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
30 typedef std::map<irc::string,char*> opertype_t;
31 typedef opertype_t operclass_t;
34 operclass_t operclass;
36 /* XXX: Used for speeding up WriteCommon operations */
37 unsigned long uniq_id = 0;
39 bool InitTypes(ServerConfig* conf, const char* tag)
41 for (opertype_t::iterator n = opertypes.begin(); n != opertypes.end(); n++)
51 bool InitClasses(ServerConfig* conf, const char* tag)
53 for (operclass_t::iterator n = operclass.begin(); n != operclass.end(); n++)
63 bool DoType(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
65 char* TypeName = (char*)values[0];
66 char* Classes = (char*)values[1];
68 opertypes[TypeName] = strdup(Classes);
69 conf->GetInstance()->Log(DEBUG,"Read oper TYPE '%s' with classes '%s'",TypeName,Classes);
73 bool DoClass(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
75 char* ClassName = (char*)values[0];
76 char* CommandList = (char*)values[1];
78 operclass[ClassName] = strdup(CommandList);
79 conf->GetInstance()->Log(DEBUG,"Read oper CLASS '%s' with commands '%s'",ClassName,CommandList);
83 bool DoneClassesAndTypes(ServerConfig* conf, const char* tag)
88 std::string userrec::ProcessNoticeMasks(const char *sm)
90 bool adding = true, oldadding = false;
94 ServerInstance->Log(DEBUG,"Process notice masks");
98 ServerInstance->Log(DEBUG,"Process notice mask %c",*c);
109 if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c)))
111 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
113 if ((oldadding != adding) || (!output.length()))
114 output += (adding ? '+' : '-');
116 this->SetNoticeMask(*c, adding);
131 void userrec::StartDNSLookup()
133 ServerInstance->Log(DEBUG,"Commencing reverse lookup");
136 ServerInstance->Log(DEBUG,"Passing instance: %08x",this->ServerInstance);
137 res_reverse = new UserResolver(this->ServerInstance, this, this->GetIPString(), false);
138 this->ServerInstance->AddResolver(res_reverse);
140 catch (ModuleException& e)
142 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
146 UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, bool forward) :
147 Resolver(Instance, to_resolve, forward ? DNS_QUERY_FORWARD : DNS_QUERY_REVERSE), bound_user(user)
150 this->bound_fd = user->GetFd();
153 void UserResolver::OnLookupComplete(const std::string &result)
155 if ((!this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
157 ServerInstance->Log(DEBUG,"Commencing forward lookup");
158 this->bound_user->stored_host = result;
161 /* Check we didnt time out */
162 if (this->bound_user->registered != REG_ALL)
164 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, true);
165 this->ServerInstance->AddResolver(bound_user->res_forward);
168 catch (ModuleException& e)
170 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
173 else if ((this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
175 /* Both lookups completed */
176 if (this->bound_user->GetIPString() == result)
178 std::string hostname = this->bound_user->stored_host;
179 if (hostname.length() < 65)
181 /* Check we didnt time out */
182 if (this->bound_user->registered != REG_ALL)
184 /* Hostnames starting with : are not a good thing (tm) */
185 if (*(hostname.c_str()) == ':')
186 hostname = "0" + hostname;
188 this->bound_user->WriteServ("NOTICE Auth :*** Found your hostname (%s)", hostname.c_str());
189 this->bound_user->dns_done = true;
190 strlcpy(this->bound_user->dhost, hostname.c_str(),64);
191 strlcpy(this->bound_user->host, hostname.c_str(),64);
196 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());
201 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());
206 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
208 if (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)
210 /* Error message here */
211 this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname, using your IP address (%s) instead.", this->bound_user->GetIPString());
212 this->bound_user->dns_done = true;
217 bool userrec::IsNoticeMaskSet(unsigned char sm)
219 return (snomasks[sm-65]);
222 void userrec::SetNoticeMask(unsigned char sm, bool value)
224 snomasks[sm-65] = value;
227 const char* userrec::FormatNoticeMasks()
229 static char data[MAXBUF];
232 for (int n = 0; n < 64; n++)
235 data[offset++] = n+65;
244 bool userrec::IsModeSet(unsigned char m)
246 return (modes[m-65]);
249 void userrec::SetMode(unsigned char m, bool value)
254 const char* userrec::FormatModes()
256 static char data[MAXBUF];
258 for (int n = 0; n < 64; n++)
261 data[offset++] = n+65;
267 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
269 ServerInstance->Log(DEBUG,"userrec::userrec(): Instance: %08x",ServerInstance);
270 // the PROPER way to do it, AVOID bzero at *ALL* costs
271 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
272 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
273 reset_due = ServerInstance->Time();
274 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
275 ChannelCount = timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
276 haspassed = dns_done = false;
281 res_forward = res_reverse = NULL;
285 chans.resize(MAXCHANS);
286 memset(modes,0,sizeof(modes));
287 memset(snomasks,0,sizeof(snomasks));
289 for (unsigned int n = 0; n < MAXCHANS; n++)
291 ucrec* x = new ucrec();
300 for (std::vector<ucrec*>::iterator n = chans.begin(); n != chans.end(); n++)
302 ucrec* x = (ucrec*)*n;
308 if (this->GetProtocolFamily() == AF_INET)
310 delete (sockaddr_in*)ip;
312 #ifdef SUPPORT_IP6LINKS
315 delete (sockaddr_in6*)ip;
321 /* XXX - minor point, other *Host functions return a char *, this one creates it. Might be nice to be consistant? */
322 void userrec::MakeHost(char* nhost)
324 /* This is much faster than snprintf */
326 for(char* n = ident; *n; n++)
329 for(char* n = host; *n; n++)
334 void userrec::CloseSocket()
336 shutdown(this->fd,2);
340 char* userrec::GetFullHost()
342 static char result[MAXBUF];
344 for(char* n = nick; *n; n++)
347 for(char* n = ident; *n; n++)
350 for(char* n = dhost; *n; n++)
356 char* userrec::MakeWildHost()
358 static char nresult[MAXBUF];
360 *t++ = '*'; *t++ = '!';
361 *t++ = '*'; *t++ = '@';
362 for(char* n = dhost; *n; n++)
368 int userrec::ReadData(void* buffer, size_t size)
372 return read(this->fd, buffer, size);
379 char* userrec::GetFullRealHost()
381 static char fresult[MAXBUF];
383 for(char* n = nick; *n; n++)
386 for(char* n = ident; *n; n++)
389 for(char* n = host; *n; n++)
395 bool userrec::IsInvited(irc::string &channel)
397 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
399 irc::string compare = i->channel;
401 if (compare == channel)
409 InvitedList* userrec::GetInviteList()
414 void userrec::InviteTo(irc::string &channel)
418 invites.push_back(i);
421 void userrec::RemoveInvite(irc::string &channel)
423 ServerInstance->Log(DEBUG,"Removing invites");
427 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
429 irc::string compare = i->channel;
431 if (compare == channel)
440 bool userrec::HasPermission(const std::string &command)
447 * users on remote servers can completely bypass all permissions based checks.
448 * This prevents desyncs when one server has different type/class tags to another.
449 * That having been said, this does open things up to the possibility of source changes
450 * allowing remote kills, etc - but if they have access to the src, they most likely have
451 * access to the conf - so it's an end to a means either way.
456 // are they even an oper at all?
459 opertype_t::iterator iter_opertype = opertypes.find(this->oper);
460 if (iter_opertype != opertypes.end())
462 char* Classes = strdup(iter_opertype->second);
463 char* myclass = strtok_r(Classes," ",&savept);
466 operclass_t::iterator iter_operclass = operclass.find(myclass);
467 if (iter_operclass != operclass.end())
469 char* CommandList = strdup(iter_operclass->second);
470 mycmd = strtok_r(CommandList," ",&savept2);
473 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
479 mycmd = strtok_r(NULL," ",&savept2);
483 myclass = strtok_r(NULL," ",&savept);
491 /** NOTE: We cannot pass a const reference to this method.
492 * The string is changed by the workings of the method,
493 * so that if we pass const ref, we end up copying it to
494 * something we can change anyway. Makes sense to just let
495 * the compiler do that copy for us.
497 bool userrec::AddBuffer(std::string a)
501 std::string::size_type i = a.rfind('\r');
503 while (i != std::string::npos)
512 if (recvq.length() > (unsigned)this->recvqmax)
514 this->SetWriteError("RecvQ exceeded");
515 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
524 ServerInstance->Log(DEBUG,"Exception in userrec::AddBuffer()");
529 bool userrec::BufferIsReady()
531 return (recvq.find('\n') != std::string::npos);
534 void userrec::ClearBuffer()
539 std::string userrec::GetBuffer()
546 /* Strip any leading \r or \n off the string.
547 * Usually there are only one or two of these,
548 * so its is computationally cheap to do.
550 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
551 recvq.erase(recvq.begin());
553 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
555 /* Find the first complete line, return it as the
556 * result, and leave the recvq as whats left
560 std::string ret = std::string(recvq.begin(), x);
561 recvq.erase(recvq.begin(), x + 1);
570 ServerInstance->Log(DEBUG,"Exception in userrec::GetBuffer()");
575 void userrec::AddWriteBuf(const std::string &data)
577 if (*this->GetWriteError())
580 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
583 * Fix by brain - Set the error text BEFORE calling writeopers, because
584 * if we dont it'll recursively call here over and over again trying
585 * to repeatedly add the text to the sendq!
587 this->SetWriteError("SendQ exceeded");
588 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
594 if (data.length() > 512)
596 std::string newdata(data);
598 newdata.append("\r\n");
599 sendq.append(newdata);
608 this->SetWriteError("SendQ exceeded");
609 ServerInstance->WriteOpers("*** User %s SendQ got an exception",this->nick);
613 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
614 void userrec::FlushWriteBuf()
618 if (this->fd == FD_MAGIC_NUMBER)
622 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
624 const char* tb = this->sendq.c_str();
625 int n_sent = write(this->fd,tb,this->sendq.length());
629 this->SetWriteError(strerror(errno));
636 // update the user's stats counters
637 this->bytes_out += n_sent;
645 ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
649 void userrec::SetWriteError(const std::string &error)
653 ServerInstance->Log(DEBUG,"SetWriteError: %s",error.c_str());
654 // don't try to set the error twice, its already set take the first string.
655 if (!this->WriteError.length())
657 ServerInstance->Log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
658 this->WriteError = error;
664 ServerInstance->Log(DEBUG,"Exception in userrec::SetWriteError()");
668 const char* userrec::GetWriteError()
670 return this->WriteError.c_str();
673 void userrec::Oper(const std::string &opertype)
677 this->modes[UM_OPERATOR] = 1;
678 this->WriteServ("MODE %s :+o", this->nick);
679 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
680 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
681 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
682 ServerInstance->all_opers.push_back(this);
683 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
688 ServerInstance->Log(DEBUG,"Exception in userrec::Oper()");
692 void userrec::UnOper()
699 this->modes[UM_OPERATOR] = 0;
700 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
704 ServerInstance->Log(DEBUG,"Oper removed from optimization list");
705 ServerInstance->all_opers.erase(a);
714 ServerInstance->Log(DEBUG,"Exception in userrec::UnOper()");
718 void userrec::QuitUser(InspIRCd* Instance, userrec *user,const std::string &quitreason)
720 user_hash::iterator iter = Instance->clientlist.find(user->nick);
723 * I'm pretty sure returning here is causing a desync when part of the net thinks a user is gone,
724 * and another part doesn't. We want to broadcast the quit/kill before bailing so the net stays in sync.
726 * I can't imagine this blowing up, so I'm commenting it out. We still check
727 * before playing with a bad iterator below in our if(). DISCUSS THIS BEFORE YOU DO ANYTHING. --w00t
729 * if (iter == clientlist.end())
732 std::string reason = quitreason;
734 if (reason.length() > MAXQUIT - 1)
735 reason.resize(MAXQUIT - 1);
738 user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str());
740 if (user->registered == REG_ALL)
742 user->PurgeEmptyChannels();
743 FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason));
744 user->WriteCommonExcept("QUIT :%s",reason.c_str());
748 user->FlushWriteBuf();
750 FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user));
754 if (Instance->Config->GetIOHook(user->GetPort()))
758 Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd);
760 catch (ModuleException& modexcept)
762 Instance->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
766 Instance->SE->DelFd(user);
771 * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
772 * if they were an oper with +sn +qQ.
774 if (user->registered == REG_ALL)
777 Instance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str());
779 Instance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s!%s@%s [%s]",user->server,user->nick,user->ident,user->host,reason.c_str());
783 if (iter != Instance->clientlist.end())
785 Instance->Log(DEBUG,"deleting user hash value %lx",(unsigned long)user);
788 if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end())
789 Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user));
791 Instance->clientlist.erase(iter);
801 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
803 this->host = strdup(user->host);
804 this->dhost = strdup(user->dhost);
805 this->ident = strdup(user->ident);
806 this->server = user->server;
807 this->gecos = strdup(user->fullname);
810 WhoWasGroup::~WhoWasGroup()
822 /* every hour, run this function which removes all entries over 3 days */
823 void MaintainWhoWas(time_t t)
825 for (whowas_users::iterator iter = ::whowas.begin(); iter != ::whowas.end(); iter++)
827 whowas_set* n = (whowas_set*)iter->second;
830 while ((n->begin() != n->end()) && ((*n->begin())->signon < t - 259200)) // 3 days
832 WhoWasGroup *a = *(n->begin());
834 n->erase(n->begin());
842 /* adds or updates an entry in the whowas list */
843 void userrec::AddToWhoWas()
845 irc::whowas::whowas_users::iterator iter = whowas.find(this->nick);
847 if (iter == whowas.end())
849 irc::whowas::whowas_set* n = new irc::whowas::whowas_set;
850 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
852 whowas[this->nick] = n;
856 irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second;
858 if (group->size() > 10)
860 irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin());
865 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
870 /* add a client connection to the sockets list */
871 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip)
873 std::string tempnick = ConvToStr(socket) + "-unknown";
874 user_hash::iterator iter = Instance->clientlist.find(tempnick);
875 const char *ipaddr = insp_ntoa(ip);
881 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
882 * using one as a registered connection. As they are per fd, we can also safely assume
883 * that we wont have collisions. Therefore, if the nick exists in the list, its only
884 * used by a dead socket, erase the iterator so that the new client may reclaim it.
885 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
886 * issue in earlier alphas/betas
888 if (iter != Instance->clientlist.end())
890 userrec* goner = iter->second;
892 Instance->clientlist.erase(iter);
895 Instance->Log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
897 _new = new userrec(Instance);
898 Instance->clientlist[tempnick] = _new;
900 strlcpy(_new->nick,tempnick.c_str(),NICKMAX-1);
902 _new->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
903 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
904 strcpy(_new->ident, "unknown");
906 _new->registered = REG_NONE;
907 _new->signon = Instance->Time() + Instance->Config->dns_timeout;
910 Instance->Log(DEBUG,"Setting socket addresses");
911 _new->SetSockAddr(AF_FAMILY, ipaddr, port);
912 Instance->Log(DEBUG,"Socket addresses set.");
914 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
915 for (const char* temp = _new->GetIPString(); *temp && j < 64; temp++, j++)
916 _new->dhost[j] = _new->host[j] = *temp;
917 _new->dhost[j] = _new->host[j] = 0;
919 // set the registration timeout for this user
920 unsigned long class_regtimeout = 90;
922 long class_threshold = 5;
923 long class_sqmax = 262144; // 256kb
924 long class_rqmax = 4096; // 4k
926 for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++)
928 if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true)))
930 class_regtimeout = (unsigned long)i->registration_timeout;
931 class_flood = i->flood;
932 _new->pingmax = i->pingtime;
933 class_threshold = i->threshold;
934 class_sqmax = i->sendqmax;
935 class_rqmax = i->recvqmax;
940 _new->nping = Instance->Time() + _new->pingmax + Instance->Config->dns_timeout;
941 _new->timeout = Instance->Time() + class_regtimeout;
942 _new->flood = class_flood;
943 _new->threshold = class_threshold;
944 _new->sendqmax = class_sqmax;
945 _new->recvqmax = class_rqmax;
947 Instance->local_users.push_back(_new);
949 if (Instance->local_users.size() > Instance->Config->SoftLimit)
951 userrec::QuitUser(Instance, _new,"No more connections allowed");
955 if (Instance->local_users.size() >= MAXCLIENTS)
957 userrec::QuitUser(Instance, _new,"No more connections allowed");
963 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
964 * its a pretty big but for the moment valid assumption:
965 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
966 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
967 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
968 * which for the time being is a physical impossibility (even the largest networks dont have more
969 * than about 10,000 users on ONE server!)
971 if ((unsigned)socket >= MAX_DESCRIPTORS)
973 userrec::QuitUser(Instance, _new,"Server is full");
976 ELine* e = Instance->XLines->matches_exception(_new);
979 ZLine* r = Instance->XLines->matches_zline(ipaddr);
983 snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
984 userrec::QuitUser(Instance, _new,reason);
991 if (!Instance->SE->AddFd(_new))
993 userrec::QuitUser(Instance, _new, "Internal error handling connection");
998 _new->WriteServ("NOTICE Auth :*** Looking up your hostname...");
1001 long userrec::GlobalCloneCount()
1007 this->GetIPString(u2);
1009 for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++)
1011 /* We have to match ip's as strings - we don't know what protocol
1012 * a remote user may be using
1014 if (strcmp(a->second->GetIPString(u1), u2) == 0)
1021 long userrec::LocalCloneCount()
1024 for (std::vector<userrec*>::const_iterator a = ServerInstance->local_users.begin(); a != ServerInstance->local_users.end(); a++)
1028 /* I dont think theres any faster way of matching two ipv6 addresses than memcmp */
1029 in6_addr* s1 = &(((sockaddr_in6*)comp->ip)->sin6_addr);
1030 in6_addr* s2 = &(((sockaddr_in6*)this->ip)->sin6_addr);
1031 if (!memcmp(s1->s6_addr, s2->s6_addr, sizeof(in6_addr)))
1034 in_addr* s1 = &((sockaddr_in*)comp->ip)->sin_addr;
1035 in_addr* s2 = &((sockaddr_in*)this->ip)->sin_addr;
1036 if (s1->s_addr == s2->s_addr)
1043 void userrec::FullConnect(CullList* Goners)
1045 ServerInstance->stats->statsConnects++;
1046 this->idle_lastmsg = ServerInstance->Time();
1048 ConnectClass a = this->GetClass();
1050 if (a.type == CC_DENY)
1052 Goners->AddItem(this,"Unauthorised connection");
1056 if ((*(a.pass.c_str())) && (!this->haspassed))
1058 Goners->AddItem(this,"Invalid password");
1062 if (this->LocalCloneCount() > a.maxlocal)
1064 Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)");
1065 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString());
1068 else if (this->GlobalCloneCount() > a.maxglobal)
1070 Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)");
1071 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString());
1075 ELine* e = ServerInstance->XLines->matches_exception(this);
1079 GLine* r = ServerInstance->XLines->matches_gline(this);
1083 char reason[MAXBUF];
1084 snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
1085 Goners->AddItem(this, reason);
1089 KLine* n = ServerInstance->XLines->matches_kline(this);
1093 char reason[MAXBUF];
1094 snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
1095 Goners->AddItem(this, reason);
1101 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1102 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1103 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1104 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1105 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());
1107 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1108 // so i'd better split it :)
1109 std::stringstream out(ServerInstance->Config->data005);
1110 std::string token = "";
1111 std::string line5 = "";
1112 int token_counter = 0;
1117 line5 = line5 + token + " ";
1120 if ((token_counter >= 13) || (out.eof() == true))
1122 this->WriteServ("005 %s %s:are supported by this server", this->nick, line5.c_str());
1131 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1132 * changes dont go out onto the network and produce 'fake direction'.
1134 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1135 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1136 this->registered = REG_ALL;
1137 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1140 /** userrec::UpdateNick()
1141 * re-allocates a nick in the user_hash after they change nicknames,
1142 * returns a pointer to the new user as it may have moved
1144 userrec* userrec::UpdateNickHash(const char* New)
1148 //user_hash::iterator newnick;
1149 user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick);
1151 if (!strcasecmp(this->nick,New))
1152 return oldnick->second;
1154 if (oldnick == ServerInstance->clientlist.end())
1155 return NULL; /* doesnt exist */
1157 userrec* olduser = oldnick->second;
1158 ServerInstance->clientlist[New] = olduser;
1159 ServerInstance->clientlist.erase(oldnick);
1160 return ServerInstance->clientlist[New];
1165 ServerInstance->Log(DEBUG,"Exception in userrec::UpdateNickHash()");
1170 bool userrec::ForceNickChange(const char* newnick)
1176 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1180 ServerInstance->stats->statsCollisions++;
1184 if (ServerInstance->XLines->matches_qline(newnick))
1186 ServerInstance->stats->statsCollisions++;
1190 if (this->registered == REG_ALL)
1192 const char* pars[1];
1194 std::string cmd = "NICK";
1195 return (ServerInstance->Parser->CallHandler(cmd, pars, 1, this) == CMD_SUCCESS);
1202 ServerInstance->Log(DEBUG,"Exception in userrec::ForceNickChange()");
1207 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1209 switch (protocol_family)
1211 #ifdef SUPPORT_IP6LINKS
1214 ServerInstance->Log(DEBUG,"Set inet6 protocol address");
1215 sockaddr_in6* sin = new sockaddr_in6;
1216 sin->sin6_family = AF_INET6;
1217 sin->sin6_port = port;
1218 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1219 this->ip = (sockaddr*)sin;
1225 ServerInstance->Log(DEBUG,"Set inet4 protocol address");
1226 sockaddr_in* sin = new sockaddr_in;
1227 sin->sin_family = AF_INET;
1228 sin->sin_port = port;
1229 inet_pton(AF_INET, ip, &sin->sin_addr);
1230 this->ip = (sockaddr*)sin;
1234 ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1239 int userrec::GetPort()
1241 if (this->ip == NULL)
1244 switch (this->GetProtocolFamily())
1246 #ifdef SUPPORT_IP6LINKS
1249 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1250 return sin->sin6_port;
1256 sockaddr_in* sin = (sockaddr_in*)this->ip;
1257 return sin->sin_port;
1261 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1267 int userrec::GetProtocolFamily()
1269 if (this->ip == NULL)
1272 sockaddr_in* sin = (sockaddr_in*)this->ip;
1273 return sin->sin_family;
1276 const char* userrec::GetIPString()
1278 static char buf[1024];
1280 if (this->ip == NULL)
1283 switch (this->GetProtocolFamily())
1285 #ifdef SUPPORT_IP6LINKS
1288 static char temp[1024];
1290 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1291 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1292 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1295 strlcpy(&temp[1], buf, sizeof(temp));
1305 sockaddr_in* sin = (sockaddr_in*)this->ip;
1306 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1311 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1317 const char* userrec::GetIPString(char* buf)
1319 if (this->ip == NULL)
1325 switch (this->GetProtocolFamily())
1327 #ifdef SUPPORT_IP6LINKS
1330 static char temp[1024];
1332 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1333 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1334 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1337 strlcpy(&temp[1], buf, sizeof(temp));
1339 strlcpy(buf, temp, sizeof(temp));
1347 sockaddr_in* sin = (sockaddr_in*)this->ip;
1348 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1354 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1360 /** NOTE: We cannot pass a const reference to this method.
1361 * The string is changed by the workings of the method,
1362 * so that if we pass const ref, we end up copying it to
1363 * something we can change anyway. Makes sense to just let
1364 * the compiler do that copy for us.
1366 void userrec::Write(std::string text)
1368 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1373 text.append("\r\n");
1377 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1381 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1385 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1387 catch (ModuleException& modexcept)
1389 ServerInstance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
1394 this->AddWriteBuf(text);
1396 ServerInstance->stats->statsSent += text.length();
1401 void userrec::Write(const char *text, ...)
1404 char textbuffer[MAXBUF];
1406 va_start(argsPtr, text);
1407 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1410 this->Write(std::string(textbuffer));
1413 void userrec::WriteServ(const std::string& text)
1415 char textbuffer[MAXBUF];
1417 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1418 this->Write(std::string(textbuffer));
1422 * Same as Write(), except `text' is prefixed with `:server.name '.
1424 void userrec::WriteServ(const char* text, ...)
1427 char textbuffer[MAXBUF];
1429 va_start(argsPtr, text);
1430 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1433 this->WriteServ(std::string(textbuffer));
1437 void userrec::WriteFrom(userrec *user, const std::string &text)
1441 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1443 this->Write(std::string(tb));
1447 /* write text from an originating user to originating user */
1449 void userrec::WriteFrom(userrec *user, const char* text, ...)
1452 char textbuffer[MAXBUF];
1454 va_start(argsPtr, text);
1455 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1458 this->WriteFrom(user, std::string(textbuffer));
1462 /* write text to an destination user from a source user (e.g. user privmsg) */
1464 void userrec::WriteTo(userrec *dest, const char *data, ...)
1466 char textbuffer[MAXBUF];
1469 va_start(argsPtr, data);
1470 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1473 this->WriteTo(dest, std::string(textbuffer));
1476 void userrec::WriteTo(userrec *dest, const std::string &data)
1478 dest->WriteFrom(this, data);
1482 void userrec::WriteCommon(const char* text, ...)
1484 char textbuffer[MAXBUF];
1487 if (this->registered != REG_ALL)
1490 va_start(argsPtr, text);
1491 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1494 this->WriteCommon(std::string(textbuffer));
1497 void userrec::WriteCommon(const std::string &text)
1501 bool sent_to_at_least_one = false;
1503 if (this->registered != REG_ALL)
1508 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1513 CUList *ulist= n->channel->GetUsers();
1515 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1517 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1519 already_sent[i->second->fd] = uniq_id;
1520 i->second->WriteFrom(this, std::string(text));
1521 sent_to_at_least_one = true;
1528 * if the user was not in any channels, no users will receive the text. Make sure the user
1529 * receives their OWN message for WriteCommon
1531 if (!sent_to_at_least_one)
1533 this->WriteFrom(this,std::string(text));
1539 ServerInstance->Log(DEBUG,"Exception in userrec::WriteCommon()");
1544 /* write a formatted string to all users who share at least one common
1545 * channel, NOT including the source user e.g. for use in QUIT
1548 void userrec::WriteCommonExcept(const char* text, ...)
1550 char textbuffer[MAXBUF];
1553 va_start(argsPtr, text);
1554 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1557 this->WriteCommonExcept(std::string(textbuffer));
1560 void userrec::WriteCommonExcept(const std::string &text)
1562 bool quit_munge = false;
1563 char oper_quit[MAXBUF];
1564 char textbuffer[MAXBUF];
1566 strlcpy(textbuffer, text.c_str(), MAXBUF);
1568 if (this->registered != REG_ALL)
1573 /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
1574 * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
1577 if (ServerInstance->Config->HideSplits)
1579 char* check = textbuffer + 6;
1581 if (!strncasecmp(textbuffer, "QUIT :",6))
1583 std::stringstream split(check);
1584 std::string server_one;
1585 std::string server_two;
1587 split >> server_one;
1588 split >> server_two;
1590 if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
1592 strlcpy(oper_quit,textbuffer,MAXQUIT);
1593 strlcpy(check,"*.net *.split",MAXQUIT);
1599 if ((ServerInstance->Config->HideBans) && (!quit_munge))
1601 if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
1602 || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
1604 char* check = textbuffer + 13;
1605 strlcpy(oper_quit,textbuffer,MAXQUIT);
1606 *check = 0; // We don't need to strlcpy, we just chop it from the :
1611 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1616 CUList *ulist= n->channel->GetUsers();
1618 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1620 if (this != i->second)
1622 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1624 already_sent[i->second->fd] = uniq_id;
1626 i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer));
1628 i->second->WriteFrom(this, std::string(textbuffer));
1637 void userrec::WriteWallOps(const std::string &text)
1639 /* Does nothing if theyre not opered */
1640 if ((!*this->oper) && (IS_LOCAL(this)))
1643 std::string wallop = "WALLOPS :";
1647 wallop.append(text);
1651 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1655 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1658 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1659 this->WriteTo(t,wallop);
1663 void userrec::WriteWallOps(const char* text, ...)
1665 char textbuffer[MAXBUF];
1668 va_start(argsPtr, text);
1669 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1672 this->WriteWallOps(std::string(textbuffer));
1675 /* return 0 or 1 depending if users u and u2 share one or more common channels
1676 * (used by QUIT, NICK etc which arent channel specific notices)
1678 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1679 * the first users channels then the second users channels within the outer loop,
1680 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1681 * all possible iterations). However this new function instead checks against the
1682 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1683 * and saves us time as we already know what pointer value we are after.
1684 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1685 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1687 bool userrec::SharesChannelWith(userrec *other)
1689 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1693 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1695 /* Fetch the channel from the user */
1696 ucrec* user_channel = *i;
1698 if (user_channel->channel)
1700 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1701 * by replacing it with a map::find which *should* be more efficient
1703 if (user_channel->channel->HasUser(other))
1710 int userrec::CountChannels()
1712 return ChannelCount;
1715 void userrec::ModChannelCount(int n)
1720 bool userrec::ChangeName(const char* gecos)
1722 if (!strcmp(gecos, this->fullname))
1728 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1731 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1733 strlcpy(this->fullname,gecos,MAXGECOS+1);
1737 bool userrec::ChangeDisplayedHost(const char* host)
1739 if (!strcmp(host, this->dhost))
1745 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1748 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1750 if (this->ServerInstance->Config->CycleHosts)
1751 this->WriteCommonExcept("%s","QUIT :Changing hosts");
1753 strlcpy(this->dhost,host,63);
1755 if (this->ServerInstance->Config->CycleHosts)
1757 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1761 (*i)->channel->WriteAllExceptSender(this, false, 0, "JOIN %s", (*i)->channel->name);
1762 std::string n = this->ServerInstance->Modes->ModeString(this, (*i)->channel);
1764 (*i)->channel->WriteAllExceptSender(this, true, 0, "MODE %s +%s", (*i)->channel->name, n.c_str());
1770 this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
1775 bool userrec::ChangeIdent(const char* newident)
1777 if (!strcmp(newident, this->ident))
1780 if (this->ServerInstance->Config->CycleHosts)
1781 this->WriteCommonExcept("%s","QUIT :Changing ident");
1783 strlcpy(this->ident, newident, IDENTMAX+2);
1785 if (this->ServerInstance->Config->CycleHosts)
1787 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1791 (*i)->channel->WriteAllExceptSender(this, false, 0, "JOIN %s", (*i)->channel->name);
1792 std::string n = this->ServerInstance->Modes->ModeString(this, (*i)->channel);
1794 (*i)->channel->WriteAllExceptSender(this, true, 0, "MODE %s +%s", (*i)->channel->name, n.c_str());
1802 void userrec::NoticeAll(char* text, ...)
1804 char textbuffer[MAXBUF];
1805 char formatbuffer[MAXBUF];
1808 va_start(argsPtr, text);
1809 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1812 snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
1814 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1817 t->WriteFrom(this, std::string(formatbuffer));
1822 std::string userrec::ChannelList(userrec* source)
1827 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1831 if(rec->channel && rec->channel->name)
1833 /* If the target is the same as the sender, let them see all their channels.
1834 * If the channel is NOT private/secret OR the user shares a common channel
1835 * If the user is an oper, and the <options:operspywhois> option is set.
1837 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!rec->channel->modes[CM_PRIVATE]) && (!rec->channel->modes[CM_SECRET])) || (rec->channel->HasUser(source))))
1839 list.append(rec->channel->GetPrefixChar(this)).append(rec->channel->name).append(" ");
1847 ServerInstance->Log(DEBUG,"Exception in userrec::ChannelList()");
1852 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1855 std::ostringstream prefix;
1856 std::string::size_type start, pos, length;
1860 prefix << ":" << ServerInstance->Config->ServerName << " 319 " << this->nick << " " << dest->nick << " :";
1861 line = prefix.str();
1863 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1865 length = (pos == std::string::npos) ? cl.length() : pos;
1867 if (line.length() + length - start > 510)
1870 line = prefix.str();
1873 if(pos == std::string::npos)
1875 line.append(cl.substr(start, length - start));
1880 line.append(cl.substr(start, length - start + 1));
1892 ServerInstance->Log(DEBUG,"Exception in userrec::SplitChanList()");
1897 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1898 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1899 * then their ip will be taken as 'priority' anyway, so for example,
1900 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1902 ConnectClass& userrec::GetClass()
1904 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1906 if ((match(this->GetIPString(),i->host.c_str(),true)) || (match(this->host,i->host.c_str())))
1910 return *(ServerInstance->Config->Classes.begin());
1913 void userrec::PurgeEmptyChannels()
1915 std::vector<chanrec*> to_delete;
1917 // firstly decrement the count on each channel
1918 for (std::vector<ucrec*>::iterator f = this->chans.begin(); f != this->chans.end(); f++)
1923 uc->channel->RemoveAllPrefixes(this);
1924 if (uc->channel->DelUser(this) == 0)
1926 /* No users left in here, mark it for deletion */
1929 to_delete.push_back(uc->channel);
1933 ServerInstance->Log(DEBUG,"Exception in userrec::PurgeEmptyChannels to_delete.push_back()");
1940 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1942 chanrec* thischan = *n;
1943 chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name);
1944 if (i2 != ServerInstance->chanlist.end())
1946 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1948 ServerInstance->chanlist.erase(i2);
1955 void userrec::ShowMOTD()
1957 if (!ServerInstance->Config->MOTD.size())
1959 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1962 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1964 for (unsigned int i = 0; i < ServerInstance->Config->MOTD.size(); i++)
1965 this->WriteServ("372 %s :- %s",this->nick,ServerInstance->Config->MOTD[i].c_str());
1967 this->WriteServ("376 %s :End of message of the day.", this->nick);
1970 void userrec::ShowRULES()
1972 if (!ServerInstance->Config->RULES.size())
1974 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1977 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1979 for (unsigned int i = 0; i < ServerInstance->Config->RULES.size(); i++)
1980 this->WriteServ("NOTICE %s :%s",this->nick,ServerInstance->Config->RULES[i].c_str());
1982 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
1985 void userrec::HandleEvent(EventType et)
1987 /* WARNING: May delete this user! */
1990 ServerInstance->ProcessUser(this);
1994 ServerInstance->Log(DEBUG,"Exception in userrec::HandleEvent intercepted");