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 bool userrec::ProcessNoticeMasks(const char *sm)
111 if ((*c >= 'A') && (*c <= 'z'))
112 this->SetNoticeMask(*c, adding);
122 void userrec::StartDNSLookup()
124 ServerInstance->Log(DEBUG,"Commencing reverse lookup");
127 ServerInstance->Log(DEBUG,"Passing instance: %08x",this->ServerInstance);
128 res_reverse = new UserResolver(this->ServerInstance, this, this->GetIPString(), false);
129 this->ServerInstance->AddResolver(res_reverse);
131 catch (ModuleException& e)
133 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
137 UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, bool forward) :
138 Resolver(Instance, to_resolve, forward ? DNS_QUERY_FORWARD : DNS_QUERY_REVERSE), bound_user(user)
141 this->bound_fd = user->GetFd();
144 void UserResolver::OnLookupComplete(const std::string &result)
146 if ((!this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
148 ServerInstance->Log(DEBUG,"Commencing forward lookup");
149 this->bound_user->stored_host = result;
152 /* Check we didnt time out */
153 if (this->bound_user->registered != REG_ALL)
155 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, true);
156 this->ServerInstance->AddResolver(bound_user->res_forward);
159 catch (ModuleException& e)
161 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
164 else if ((this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
166 /* Both lookups completed */
167 if (this->bound_user->GetIPString() == result)
169 std::string hostname = this->bound_user->stored_host;
170 if (hostname.length() < 65)
172 /* Check we didnt time out */
173 if (this->bound_user->registered != REG_ALL)
175 /* Hostnames starting with : are not a good thing (tm) */
176 if (*(hostname.c_str()) == ':')
177 hostname = "0" + hostname;
179 this->bound_user->WriteServ("NOTICE Auth :*** Found your hostname (%s)", hostname.c_str());
180 this->bound_user->dns_done = true;
181 strlcpy(this->bound_user->dhost, hostname.c_str(),64);
182 strlcpy(this->bound_user->host, hostname.c_str(),64);
187 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());
192 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());
197 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
199 if (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)
201 /* Error message here */
202 this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname, using your IP address (%s) instead.", this->bound_user->GetIPString());
203 this->bound_user->dns_done = true;
208 bool userrec::IsNoticeMaskSet(unsigned char sm)
210 return (snomasks[sm-65]);
213 void userrec::SetNoticeMask(unsigned char sm, bool value)
215 snomasks[sm-65] = value;
218 const char* userrec::FormatNoticeMasks()
220 static char data[MAXBUF];
223 for (int n = 0; n < 64; n++)
226 data[offset++] = n+65;
235 bool userrec::IsModeSet(unsigned char m)
237 return (modes[m-65]);
240 void userrec::SetMode(unsigned char m, bool value)
245 const char* userrec::FormatModes()
247 static char data[MAXBUF];
249 for (int n = 0; n < 64; n++)
252 data[offset++] = n+65;
258 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
260 ServerInstance->Log(DEBUG,"userrec::userrec(): Instance: %08x",ServerInstance);
261 // the PROPER way to do it, AVOID bzero at *ALL* costs
262 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
263 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
264 reset_due = ServerInstance->Time();
265 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
266 timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
267 haspassed = dns_done = false;
272 res_forward = res_reverse = NULL;
276 chans.resize(MAXCHANS);
277 memset(modes,0,sizeof(modes));
279 for (unsigned int n = 0; n < MAXCHANS; n++)
281 ucrec* x = new ucrec();
290 for (std::vector<ucrec*>::iterator n = chans.begin(); n != chans.end(); n++)
292 ucrec* x = (ucrec*)*n;
298 if (this->GetProtocolFamily() == AF_INET)
300 delete (sockaddr_in*)ip;
302 #ifdef SUPPORT_IP6LINKS
305 delete (sockaddr_in6*)ip;
311 /* XXX - minor point, other *Host functions return a char *, this one creates it. Might be nice to be consistant? */
312 void userrec::MakeHost(char* nhost)
314 /* This is much faster than snprintf */
316 for(char* n = ident; *n; n++)
319 for(char* n = host; *n; n++)
324 void userrec::CloseSocket()
326 shutdown(this->fd,2);
330 char* userrec::GetFullHost()
332 static char result[MAXBUF];
334 for(char* n = nick; *n; n++)
337 for(char* n = ident; *n; n++)
340 for(char* n = dhost; *n; n++)
346 char* userrec::MakeWildHost()
348 static char nresult[MAXBUF];
350 *t++ = '*'; *t++ = '!';
351 *t++ = '*'; *t++ = '@';
352 for(char* n = dhost; *n; n++)
358 int userrec::ReadData(void* buffer, size_t size)
362 return read(this->fd, buffer, size);
369 char* userrec::GetFullRealHost()
371 static char fresult[MAXBUF];
373 for(char* n = nick; *n; n++)
376 for(char* n = ident; *n; n++)
379 for(char* n = host; *n; n++)
385 bool userrec::IsInvited(irc::string &channel)
387 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
389 irc::string compare = i->channel;
391 if (compare == channel)
399 InvitedList* userrec::GetInviteList()
404 void userrec::InviteTo(irc::string &channel)
408 invites.push_back(i);
411 void userrec::RemoveInvite(irc::string &channel)
413 ServerInstance->Log(DEBUG,"Removing invites");
417 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
419 irc::string compare = i->channel;
421 if (compare == channel)
430 bool userrec::HasPermission(const std::string &command)
437 * users on remote servers can completely bypass all permissions based checks.
438 * This prevents desyncs when one server has different type/class tags to another.
439 * That having been said, this does open things up to the possibility of source changes
440 * allowing remote kills, etc - but if they have access to the src, they most likely have
441 * access to the conf - so it's an end to a means either way.
446 // are they even an oper at all?
449 opertype_t::iterator iter_opertype = opertypes.find(this->oper);
450 if (iter_opertype != opertypes.end())
452 char* Classes = strdup(iter_opertype->second);
453 char* myclass = strtok_r(Classes," ",&savept);
456 operclass_t::iterator iter_operclass = operclass.find(myclass);
457 if (iter_operclass != operclass.end())
459 char* CommandList = strdup(iter_operclass->second);
460 mycmd = strtok_r(CommandList," ",&savept2);
463 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
469 mycmd = strtok_r(NULL," ",&savept2);
473 myclass = strtok_r(NULL," ",&savept);
481 /** NOTE: We cannot pass a const reference to this method.
482 * The string is changed by the workings of the method,
483 * so that if we pass const ref, we end up copying it to
484 * something we can change anyway. Makes sense to just let
485 * the compiler do that copy for us.
487 bool userrec::AddBuffer(std::string a)
489 std::string::size_type i = a.rfind('\r');
491 while (i != std::string::npos)
500 if (recvq.length() > (unsigned)this->recvqmax)
502 this->SetWriteError("RecvQ exceeded");
503 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
510 bool userrec::BufferIsReady()
512 return (recvq.find('\n') != std::string::npos);
515 void userrec::ClearBuffer()
520 std::string userrec::GetBuffer()
525 /* Strip any leading \r or \n off the string.
526 * Usually there are only one or two of these,
527 * so its is computationally cheap to do.
529 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
530 recvq.erase(recvq.begin());
532 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
534 /* Find the first complete line, return it as the
535 * result, and leave the recvq as whats left
539 std::string ret = std::string(recvq.begin(), x);
540 recvq.erase(recvq.begin(), x + 1);
547 void userrec::AddWriteBuf(const std::string &data)
549 if (*this->GetWriteError())
552 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
555 * Fix by brain - Set the error text BEFORE calling writeopers, because
556 * if we dont it'll recursively call here over and over again trying
557 * to repeatedly add the text to the sendq!
559 this->SetWriteError("SendQ exceeded");
560 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
564 if (data.length() > 512)
566 std::string newdata(data);
568 newdata.append("\r\n");
569 sendq.append(newdata);
577 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
578 void userrec::FlushWriteBuf()
580 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
582 const char* tb = this->sendq.c_str();
583 int n_sent = write(this->fd,tb,this->sendq.length());
587 this->SetWriteError(strerror(errno));
594 // update the user's stats counters
595 this->bytes_out += n_sent;
601 void userrec::SetWriteError(const std::string &error)
603 ServerInstance->Log(DEBUG,"SetWriteError: %s",error.c_str());
604 // don't try to set the error twice, its already set take the first string.
605 if (!this->WriteError.length())
607 ServerInstance->Log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
608 this->WriteError = error;
612 const char* userrec::GetWriteError()
614 return this->WriteError.c_str();
617 void userrec::Oper(const std::string &opertype)
619 this->modes[UM_OPERATOR] = 1;
620 this->WriteServ("MODE %s :+o", this->nick);
621 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
622 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
623 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
624 ServerInstance->all_opers.push_back(this);
625 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
628 void userrec::UnOper()
633 this->modes[UM_OPERATOR] = 0;
634 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
638 ServerInstance->Log(DEBUG,"Oper removed from optimization list");
639 ServerInstance->all_opers.erase(a);
646 void userrec::QuitUser(InspIRCd* Instance, userrec *user,const std::string &quitreason)
648 user_hash::iterator iter = Instance->clientlist.find(user->nick);
651 * I'm pretty sure returning here is causing a desync when part of the net thinks a user is gone,
652 * and another part doesn't. We want to broadcast the quit/kill before bailing so the net stays in sync.
654 * I can't imagine this blowing up, so I'm commenting it out. We still check
655 * before playing with a bad iterator below in our if(). DISCUSS THIS BEFORE YOU DO ANYTHING. --w00t
657 * if (iter == clientlist.end())
660 std::string reason = quitreason;
662 if (reason.length() > MAXQUIT - 1)
663 reason.resize(MAXQUIT - 1);
666 user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str());
668 if (user->registered == REG_ALL)
670 user->PurgeEmptyChannels();
671 FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason));
672 user->WriteCommonExcept("QUIT :%s",reason.c_str());
676 user->FlushWriteBuf();
678 FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user));
682 if (Instance->Config->GetIOHook(user->GetPort()))
686 Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd);
688 catch (ModuleException& modexcept)
690 Instance->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
694 Instance->SE->DelFd(user);
699 * this must come before the ServerInstance->WriteOpers so that it doesnt try to fill their buffer with anything
700 * if they were an oper with +s.
703 * In the current implementation, we only show local quits, as we only show local connects. With
704 * the proposed implmentation of snomasks however, this will likely change in the (near?) future.
706 if (user->registered == REG_ALL)
709 Instance->WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str());
713 if (iter != Instance->clientlist.end())
715 Instance->Log(DEBUG,"deleting user hash value %lx",(unsigned long)user);
718 if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end())
719 Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user));
721 Instance->clientlist.erase(iter);
731 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
733 this->host = strdup(user->host);
734 this->dhost = strdup(user->dhost);
735 this->ident = strdup(user->ident);
736 this->server = user->server;
737 this->gecos = strdup(user->fullname);
740 WhoWasGroup::~WhoWasGroup()
752 /* every hour, run this function which removes all entries over 3 days */
753 void MaintainWhoWas(time_t t)
755 for (whowas_users::iterator iter = ::whowas.begin(); iter != ::whowas.end(); iter++)
757 whowas_set* n = (whowas_set*)iter->second;
760 while ((n->begin() != n->end()) && ((*n->begin())->signon < t - 259200)) // 3 days
762 WhoWasGroup *a = *(n->begin());
764 n->erase(n->begin());
772 /* adds or updates an entry in the whowas list */
773 void userrec::AddToWhoWas()
775 irc::whowas::whowas_users::iterator iter = whowas.find(this->nick);
777 if (iter == whowas.end())
779 irc::whowas::whowas_set* n = new irc::whowas::whowas_set;
780 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
782 whowas[this->nick] = n;
786 irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second;
788 if (group->size() > 10)
790 irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin());
795 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
800 /* add a client connection to the sockets list */
801 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip)
803 std::string tempnick = ConvToStr(socket) + "-unknown";
804 user_hash::iterator iter = Instance->clientlist.find(tempnick);
805 const char *ipaddr = insp_ntoa(ip);
811 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
812 * using one as a registered connection. As they are per fd, we can also safely assume
813 * that we wont have collisions. Therefore, if the nick exists in the list, its only
814 * used by a dead socket, erase the iterator so that the new client may reclaim it.
815 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
816 * issue in earlier alphas/betas
818 if (iter != Instance->clientlist.end())
820 userrec* goner = iter->second;
822 Instance->clientlist.erase(iter);
825 Instance->Log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
827 _new = new userrec(Instance);
828 Instance->clientlist[tempnick] = _new;
830 strlcpy(_new->nick,tempnick.c_str(),NICKMAX-1);
832 _new->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
833 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
834 strcpy(_new->ident, "unknown");
836 _new->registered = REG_NONE;
837 _new->signon = Instance->Time() + Instance->Config->dns_timeout;
840 Instance->Log(DEBUG,"Setting socket addresses");
841 _new->SetSockAddr(AF_FAMILY, ipaddr, port);
842 Instance->Log(DEBUG,"Socket addresses set.");
844 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
845 for (const char* temp = _new->GetIPString(); *temp && j < 64; temp++, j++)
846 _new->dhost[j] = _new->host[j] = *temp;
847 _new->dhost[j] = _new->host[j] = 0;
849 // set the registration timeout for this user
850 unsigned long class_regtimeout = 90;
852 long class_threshold = 5;
853 long class_sqmax = 262144; // 256kb
854 long class_rqmax = 4096; // 4k
856 for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++)
858 if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true)))
860 class_regtimeout = (unsigned long)i->registration_timeout;
861 class_flood = i->flood;
862 _new->pingmax = i->pingtime;
863 class_threshold = i->threshold;
864 class_sqmax = i->sendqmax;
865 class_rqmax = i->recvqmax;
870 _new->nping = Instance->Time() + _new->pingmax + Instance->Config->dns_timeout;
871 _new->timeout = Instance->Time() + class_regtimeout;
872 _new->flood = class_flood;
873 _new->threshold = class_threshold;
874 _new->sendqmax = class_sqmax;
875 _new->recvqmax = class_rqmax;
877 Instance->local_users.push_back(_new);
879 if (Instance->local_users.size() > Instance->Config->SoftLimit)
881 userrec::QuitUser(Instance, _new,"No more connections allowed");
885 if (Instance->local_users.size() >= MAXCLIENTS)
887 userrec::QuitUser(Instance, _new,"No more connections allowed");
893 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
894 * its a pretty big but for the moment valid assumption:
895 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
896 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
897 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
898 * which for the time being is a physical impossibility (even the largest networks dont have more
899 * than about 10,000 users on ONE server!)
901 if ((unsigned)socket >= MAX_DESCRIPTORS)
903 userrec::QuitUser(Instance, _new,"Server is full");
906 char* e = Instance->XLines->matches_exception(ipaddr);
909 char* r = Instance->XLines->matches_zline(ipaddr);
913 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
914 userrec::QuitUser(Instance, _new,reason);
921 if (!Instance->SE->AddFd(_new))
923 userrec::QuitUser(Instance, _new, "Internal error handling connection");
928 _new->WriteServ("NOTICE Auth :*** Looking up your hostname...");
931 long userrec::GlobalCloneCount()
936 for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++)
938 /* We have to match ip's as strings - we don't know what protocol
939 * a remote user may be using
941 if (!strcasecmp(a->second->GetIPString(u1), this->GetIPString(u2)))
947 long userrec::LocalCloneCount()
950 for (std::vector<userrec*>::const_iterator a = ServerInstance->local_users.begin(); a != ServerInstance->local_users.end(); a++)
954 /* I dont think theres any faster way of matching two ipv6 addresses than memcmp */
955 in6_addr* s1 = &(((sockaddr_in6*)comp->ip)->sin6_addr);
956 in6_addr* s2 = &(((sockaddr_in6*)this->ip)->sin6_addr);
957 if (!memcmp(s1->s6_addr, s2->s6_addr, sizeof(in6_addr)))
960 in_addr* s1 = &((sockaddr_in*)comp->ip)->sin_addr;
961 in_addr* s2 = &((sockaddr_in*)this->ip)->sin_addr;
962 if (s1->s_addr == s2->s_addr)
969 void userrec::FullConnect(CullList* Goners)
971 ServerInstance->stats->statsConnects++;
972 this->idle_lastmsg = ServerInstance->Time();
974 ConnectClass a = this->GetClass();
976 if (a.type == CC_DENY)
978 Goners->AddItem(this,"Unauthorised connection");
982 if ((*(a.pass.c_str())) && (!this->haspassed))
984 Goners->AddItem(this,"Invalid password");
988 if (this->LocalCloneCount() > a.maxlocal)
990 Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)");
991 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString());
994 else if (this->GlobalCloneCount() > a.maxglobal)
996 Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)");
997 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString());
1001 char match_against[MAXBUF];
1002 snprintf(match_against,MAXBUF,"%s@%s", this->ident, this->host);
1003 char* e = ServerInstance->XLines->matches_exception(match_against);
1007 char* r = ServerInstance->XLines->matches_gline(match_against);
1011 char reason[MAXBUF];
1012 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1013 Goners->AddItem(this, reason);
1017 r = ServerInstance->XLines->matches_kline(match_against);
1021 char reason[MAXBUF];
1022 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1023 Goners->AddItem(this, reason);
1029 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1030 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1031 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1032 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1033 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());
1035 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1036 // so i'd better split it :)
1037 std::stringstream out(ServerInstance->Config->data005);
1038 std::string token = "";
1039 std::string line5 = "";
1040 int token_counter = 0;
1045 line5 = line5 + token + " ";
1048 if ((token_counter >= 13) || (out.eof() == true))
1050 this->WriteServ("005 %s %s:are supported by this server", this->nick, line5.c_str());
1059 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1060 * changes dont go out onto the network and produce 'fake direction'.
1062 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1063 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1064 this->registered = REG_ALL;
1065 ServerInstance->WriteOpers("*** Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1068 /** userrec::UpdateNick()
1069 * re-allocates a nick in the user_hash after they change nicknames,
1070 * returns a pointer to the new user as it may have moved
1072 userrec* userrec::UpdateNickHash(const char* New)
1074 //user_hash::iterator newnick;
1075 user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick);
1077 if (!strcasecmp(this->nick,New))
1078 return oldnick->second;
1080 if (oldnick == ServerInstance->clientlist.end())
1081 return NULL; /* doesnt exist */
1083 userrec* olduser = oldnick->second;
1084 ServerInstance->clientlist[New] = olduser;
1085 ServerInstance->clientlist.erase(oldnick);
1086 return ServerInstance->clientlist[New];
1089 bool userrec::ForceNickChange(const char* newnick)
1096 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1100 ServerInstance->stats->statsCollisions++;
1104 if (ServerInstance->XLines->matches_qline(newnick))
1106 ServerInstance->stats->statsCollisions++;
1112 strlcpy(this->nick, newnick, NICKMAX - 1);
1114 if (this->registered == REG_ALL)
1116 const char* pars[1];
1118 std::string cmd = "NICK";
1119 ServerInstance->Parser->CallHandler(cmd, pars, 1, this);
1124 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1126 switch (protocol_family)
1128 #ifdef SUPPORT_IP6LINKS
1131 ServerInstance->Log(DEBUG,"Set inet6 protocol address");
1132 sockaddr_in6* sin = new sockaddr_in6;
1133 sin->sin6_family = AF_INET6;
1134 sin->sin6_port = port;
1135 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1136 this->ip = (sockaddr*)sin;
1142 ServerInstance->Log(DEBUG,"Set inet4 protocol address");
1143 sockaddr_in* sin = new sockaddr_in;
1144 sin->sin_family = AF_INET;
1145 sin->sin_port = port;
1146 inet_pton(AF_INET, ip, &sin->sin_addr);
1147 this->ip = (sockaddr*)sin;
1151 ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1156 int userrec::GetPort()
1158 if (this->ip == NULL)
1161 switch (this->GetProtocolFamily())
1163 #ifdef SUPPORT_IP6LINKS
1166 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1167 return sin->sin6_port;
1173 sockaddr_in* sin = (sockaddr_in*)this->ip;
1174 return sin->sin_port;
1178 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1184 int userrec::GetProtocolFamily()
1186 if (this->ip == NULL)
1189 sockaddr_in* sin = (sockaddr_in*)this->ip;
1190 return sin->sin_family;
1193 const char* userrec::GetIPString()
1195 static char buf[1024];
1197 if (this->ip == NULL)
1200 switch (this->GetProtocolFamily())
1202 #ifdef SUPPORT_IP6LINKS
1205 static char temp[1024];
1207 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1208 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1209 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1212 strlcpy(&temp[1], buf, sizeof(temp));
1222 sockaddr_in* sin = (sockaddr_in*)this->ip;
1223 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1228 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1234 const char* userrec::GetIPString(char* buf)
1236 if (this->ip == NULL)
1242 switch (this->GetProtocolFamily())
1244 #ifdef SUPPORT_IP6LINKS
1247 static char temp[1024];
1249 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1250 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1251 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1254 strlcpy(&temp[1], buf, sizeof(temp));
1256 strlcpy(buf, temp, sizeof(temp));
1264 sockaddr_in* sin = (sockaddr_in*)this->ip;
1265 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1271 ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1277 /** NOTE: We cannot pass a const reference to this method.
1278 * The string is changed by the workings of the method,
1279 * so that if we pass const ref, we end up copying it to
1280 * something we can change anyway. Makes sense to just let
1281 * the compiler do that copy for us.
1283 void userrec::Write(std::string text)
1285 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1288 text.append("\r\n");
1290 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1294 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1296 catch (ModuleException& modexcept)
1298 ServerInstance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
1303 this->AddWriteBuf(text);
1305 ServerInstance->stats->statsSent += text.length();
1310 void userrec::Write(const char *text, ...)
1313 char textbuffer[MAXBUF];
1315 va_start(argsPtr, text);
1316 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1319 this->Write(std::string(textbuffer));
1322 void userrec::WriteServ(const std::string& text)
1324 char textbuffer[MAXBUF];
1326 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1327 this->Write(std::string(textbuffer));
1331 * Same as Write(), except `text' is prefixed with `:server.name '.
1333 void userrec::WriteServ(const char* text, ...)
1336 char textbuffer[MAXBUF];
1338 va_start(argsPtr, text);
1339 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1342 this->WriteServ(std::string(textbuffer));
1346 void userrec::WriteFrom(userrec *user, const std::string &text)
1350 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1352 this->Write(std::string(tb));
1356 /* write text from an originating user to originating user */
1358 void userrec::WriteFrom(userrec *user, const char* text, ...)
1361 char textbuffer[MAXBUF];
1363 va_start(argsPtr, text);
1364 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1367 this->WriteFrom(user, std::string(textbuffer));
1371 /* write text to an destination user from a source user (e.g. user privmsg) */
1373 void userrec::WriteTo(userrec *dest, const char *data, ...)
1375 char textbuffer[MAXBUF];
1378 va_start(argsPtr, data);
1379 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1382 this->WriteTo(dest, std::string(textbuffer));
1385 void userrec::WriteTo(userrec *dest, const std::string &data)
1387 dest->WriteFrom(this, data);
1391 void userrec::WriteCommon(const char* text, ...)
1393 char textbuffer[MAXBUF];
1396 if (this->registered != REG_ALL)
1399 va_start(argsPtr, text);
1400 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1403 this->WriteCommon(std::string(textbuffer));
1406 void userrec::WriteCommon(const std::string &text)
1408 bool sent_to_at_least_one = false;
1410 if (this->registered != REG_ALL)
1415 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1420 CUList *ulist= n->channel->GetUsers();
1422 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1424 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1426 already_sent[i->second->fd] = uniq_id;
1427 i->second->WriteFrom(this, std::string(text));
1428 sent_to_at_least_one = true;
1435 * if the user was not in any channels, no users will receive the text. Make sure the user
1436 * receives their OWN message for WriteCommon
1438 if (!sent_to_at_least_one)
1440 this->WriteFrom(this,std::string(text));
1445 /* write a formatted string to all users who share at least one common
1446 * channel, NOT including the source user e.g. for use in QUIT
1449 void userrec::WriteCommonExcept(const char* text, ...)
1451 char textbuffer[MAXBUF];
1454 va_start(argsPtr, text);
1455 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1458 this->WriteCommonExcept(std::string(textbuffer));
1461 void userrec::WriteCommonExcept(const std::string &text)
1463 bool quit_munge = true;
1464 char oper_quit[MAXBUF];
1465 char textbuffer[MAXBUF];
1467 strlcpy(textbuffer, text.c_str(), MAXBUF);
1469 if (this->registered != REG_ALL)
1474 /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
1475 * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
1478 if (ServerInstance->Config->HideSplits)
1480 char* check = textbuffer + 6;
1482 if (!strncasecmp(textbuffer, "QUIT :",6))
1484 std::stringstream split(check);
1485 std::string server_one;
1486 std::string server_two;
1488 split >> server_one;
1489 split >> server_two;
1491 if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
1493 strlcpy(oper_quit,textbuffer,MAXQUIT);
1494 strlcpy(check,"*.net *.split",MAXQUIT);
1500 if ((ServerInstance->Config->HideBans) && (!quit_munge))
1502 if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
1503 || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
1505 char* check = textbuffer + 13;
1506 strlcpy(oper_quit,textbuffer,MAXQUIT);
1507 *check = 0; // We don't need to strlcpy, we just chop it from the :
1512 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1517 CUList *ulist= n->channel->GetUsers();
1519 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1521 if (this != i->second)
1523 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1525 already_sent[i->second->fd] = uniq_id;
1527 i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer));
1529 i->second->WriteFrom(this, std::string(textbuffer));
1538 void userrec::WriteWallOps(const std::string &text)
1540 /* Does nothing if theyre not opered */
1541 if ((!*this->oper) && (IS_LOCAL(this)))
1544 std::string wallop = "WALLOPS :";
1545 wallop.append(text);
1547 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1550 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1551 this->WriteTo(t,wallop);
1555 void userrec::WriteWallOps(const char* text, ...)
1557 char textbuffer[MAXBUF];
1560 va_start(argsPtr, text);
1561 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1564 this->WriteWallOps(std::string(textbuffer));
1567 /* return 0 or 1 depending if users u and u2 share one or more common channels
1568 * (used by QUIT, NICK etc which arent channel specific notices)
1570 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1571 * the first users channels then the second users channels within the outer loop,
1572 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1573 * all possible iterations). However this new function instead checks against the
1574 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1575 * and saves us time as we already know what pointer value we are after.
1576 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1577 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1579 bool userrec::SharesChannelWith(userrec *other)
1581 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1585 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1587 /* Fetch the channel from the user */
1588 ucrec* user_channel = *i;
1590 if (user_channel->channel)
1592 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1593 * by replacing it with a map::find which *should* be more efficient
1595 if (user_channel->channel->HasUser(other))
1602 int userrec::CountChannels()
1605 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1611 bool userrec::ChangeName(const char* gecos)
1616 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1619 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1621 strlcpy(this->fullname,gecos,MAXGECOS+1);
1625 bool userrec::ChangeDisplayedHost(const char* host)
1630 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1633 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1635 strlcpy(this->dhost,host,63);
1638 this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
1643 void userrec::NoticeAll(char* text, ...)
1645 char textbuffer[MAXBUF];
1646 char formatbuffer[MAXBUF];
1649 va_start(argsPtr, text);
1650 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1653 snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
1655 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1658 t->WriteFrom(this, std::string(formatbuffer));
1663 std::string userrec::ChannelList(userrec* source)
1666 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1670 if(rec->channel && rec->channel->name)
1672 /* If the target is the same as the sender, let them see all their channels.
1673 * If the channel is NOT private/secret OR the user shares a common channel
1674 * If the user is an oper, and the <options:operspywhois> option is set.
1676 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!rec->channel->modes[CM_PRIVATE]) && (!rec->channel->modes[CM_SECRET])) || (rec->channel->HasUser(source))))
1678 list.append(rec->channel->GetPrefixChar(this)).append(rec->channel->name).append(" ");
1685 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1688 std::ostringstream prefix;
1689 std::string::size_type start, pos, length;
1691 prefix << ":" << ServerInstance->Config->ServerName << " 319 " << this->nick << " " << dest->nick << " :";
1692 line = prefix.str();
1694 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1696 length = (pos == std::string::npos) ? cl.length() : pos;
1698 if (line.length() + length - start > 510)
1701 line = prefix.str();
1704 if(pos == std::string::npos)
1706 line.append(cl.substr(start, length - start));
1711 line.append(cl.substr(start, length - start + 1));
1722 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1723 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1724 * then their ip will be taken as 'priority' anyway, so for example,
1725 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1727 ConnectClass& userrec::GetClass()
1729 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1731 if ((match(this->GetIPString(),i->host.c_str(),true)) || (match(this->host,i->host.c_str())))
1735 return *(ServerInstance->Config->Classes.begin());
1738 void userrec::PurgeEmptyChannels()
1740 std::vector<chanrec*> to_delete;
1742 // firstly decrement the count on each channel
1743 for (std::vector<ucrec*>::iterator f = this->chans.begin(); f != this->chans.end(); f++)
1748 uc->channel->RemoveAllPrefixes(this);
1749 if (uc->channel->DelUser(this) == 0)
1751 /* No users left in here, mark it for deletion */
1752 to_delete.push_back(uc->channel);
1758 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1760 chanrec* thischan = *n;
1761 chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name);
1762 if (i2 != ServerInstance->chanlist.end())
1764 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1766 ServerInstance->chanlist.erase(i2);
1773 void userrec::ShowMOTD()
1775 if (!ServerInstance->Config->MOTD.size())
1777 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1780 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1782 for (unsigned int i = 0; i < ServerInstance->Config->MOTD.size(); i++)
1783 this->WriteServ("372 %s :- %s",this->nick,ServerInstance->Config->MOTD[i].c_str());
1785 this->WriteServ("376 %s :End of message of the day.", this->nick);
1788 void userrec::ShowRULES()
1790 if (!ServerInstance->Config->RULES.size())
1792 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1795 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1797 for (unsigned int i = 0; i < ServerInstance->Config->RULES.size(); i++)
1798 this->WriteServ("NOTICE %s :%s",this->nick,ServerInstance->Config->RULES[i].c_str());
1800 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
1803 void userrec::HandleEvent(EventType et)
1805 /* WARNING: May delete this user! */
1806 ServerInstance->ProcessUser(this);