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"
26 #include "helperfuncs.h"
28 #include "socketengine.h"
32 #include "cull_list.h"
34 extern std::vector<Module*> modules;
35 extern std::vector<ircd_module*> factory;
38 extern Server* MyServer;
40 irc::whowas::whowas_users whowas;
41 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
42 std::vector<userrec*> all_opers;
44 typedef std::map<irc::string,char*> opertype_t;
45 typedef opertype_t operclass_t;
48 operclass_t operclass;
50 /* XXX: Used for speeding up WriteCommon operations */
51 unsigned long uniq_id = 0;
53 bool InitTypes(ServerConfig* conf, const char* tag)
55 for (opertype_t::iterator n = opertypes.begin(); n != opertypes.end(); n++)
65 bool InitClasses(ServerConfig* conf, const char* tag)
67 for (operclass_t::iterator n = operclass.begin(); n != operclass.end(); n++)
77 bool DoType(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
79 char* TypeName = (char*)values[0];
80 char* Classes = (char*)values[1];
82 opertypes[TypeName] = strdup(Classes);
83 log(DEBUG,"Read oper TYPE '%s' with classes '%s'",TypeName,Classes);
87 bool DoClass(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
89 char* ClassName = (char*)values[0];
90 char* CommandList = (char*)values[1];
92 operclass[ClassName] = strdup(CommandList);
93 log(DEBUG,"Read oper CLASS '%s' with commands '%s'",ClassName,CommandList);
97 bool DoneClassesAndTypes(ServerConfig* conf, const char* tag)
102 bool userrec::ProcessNoticeMasks(const char *sm)
118 if ((*c >= 'A') && (*c <= 'z'))
119 this->SetNoticeMask(*c, adding);
129 void userrec::StartDNSLookup()
131 log(DEBUG,"Commencing reverse lookup");
134 log(DEBUG,"Passing instance: %08x",this->ServerInstance);
135 res_reverse = new UserResolver(this->ServerInstance, this, this->GetIPString(), false);
136 MyServer->AddResolver(res_reverse);
138 catch (ModuleException& e)
140 log(DEBUG,"Error in resolver: %s",e.GetReason());
144 UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, bool forward) :
145 Resolver(Instance, to_resolve, forward ? DNS_QUERY_FORWARD : DNS_QUERY_REVERSE), bound_user(user)
148 this->bound_fd = user->fd;
151 void UserResolver::OnLookupComplete(const std::string &result)
153 if ((!this->fwd) && (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user))
155 log(DEBUG,"Commencing forward lookup");
156 this->bound_user->stored_host = result;
159 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, true);
160 MyServer->AddResolver(bound_user->res_forward);
162 catch (ModuleException& e)
164 log(DEBUG,"Error in resolver: %s",e.GetReason());
167 else if ((this->fwd) && (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user))
169 /* Both lookups completed */
170 if (this->bound_user->GetIPString() == result)
172 std::string hostname = this->bound_user->stored_host;
173 if (hostname.length() < 65)
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);
186 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());
191 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());
196 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
198 if (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user)
200 /* Error message here */
201 this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname, using your IP address (%s) instead.", this->bound_user->GetIPString());
202 this->bound_user->dns_done = true;
207 bool userrec::IsNoticeMaskSet(unsigned char sm)
209 return (snomasks[sm-65]);
212 void userrec::SetNoticeMask(unsigned char sm, bool value)
214 snomasks[sm-65] = value;
217 const char* userrec::FormatNoticeMasks()
219 static char data[MAXBUF];
222 for (int n = 0; n < 64; n++)
225 data[offset++] = n+65;
234 bool userrec::IsModeSet(unsigned char m)
236 return (modes[m-65]);
239 void userrec::SetMode(unsigned char m, bool value)
244 const char* userrec::FormatModes()
246 static char data[MAXBUF];
248 for (int n = 0; n < 64; n++)
251 data[offset++] = n+65;
257 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
259 log(DEBUG,"userrec::userrec(): Instance: %08x",ServerInstance);
260 // the PROPER way to do it, AVOID bzero at *ALL* costs
261 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
262 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
264 lines_in = fd = lastping = signon = idle_lastmsg = nping = registered = 0;
265 timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
266 haspassed = dns_done = false;
270 res_forward = res_reverse = NULL;
274 chans.resize(MAXCHANS);
275 memset(modes,0,sizeof(modes));
277 for (unsigned int n = 0; n < MAXCHANS; n++)
279 ucrec* x = new ucrec();
288 for (std::vector<ucrec*>::iterator n = chans.begin(); n != chans.end(); n++)
290 ucrec* x = (ucrec*)*n;
296 if (this->GetProtocolFamily() == AF_INET)
298 delete (sockaddr_in*)ip;
300 #ifdef SUPPORT_IP6LINKS
303 delete (sockaddr_in6*)ip;
309 /* XXX - minor point, other *Host functions return a char *, this one creates it. Might be nice to be consistant? */
310 void userrec::MakeHost(char* nhost)
312 /* This is much faster than snprintf */
314 for(char* n = ident; *n; n++)
317 for(char* n = host; *n; n++)
322 void userrec::CloseSocket()
324 shutdown(this->fd,2);
328 char* userrec::GetFullHost()
330 static char result[MAXBUF];
332 for(char* n = nick; *n; n++)
335 for(char* n = ident; *n; n++)
338 for(char* n = dhost; *n; n++)
344 char* userrec::MakeWildHost()
346 static char nresult[MAXBUF];
348 *t++ = '*'; *t++ = '!';
349 *t++ = '*'; *t++ = '@';
350 for(char* n = dhost; *n; n++)
356 int userrec::ReadData(void* buffer, size_t size)
360 return read(this->fd, buffer, size);
367 char* userrec::GetFullRealHost()
369 static char fresult[MAXBUF];
371 for(char* n = nick; *n; n++)
374 for(char* n = ident; *n; n++)
377 for(char* n = host; *n; n++)
383 bool userrec::IsInvited(irc::string &channel)
385 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
387 irc::string compare = i->channel;
389 if (compare == channel)
397 InvitedList* userrec::GetInviteList()
402 void userrec::InviteTo(irc::string &channel)
406 invites.push_back(i);
409 void userrec::RemoveInvite(irc::string &channel)
411 log(DEBUG,"Removing invites");
415 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
417 irc::string compare = i->channel;
419 if (compare == channel)
428 bool userrec::HasPermission(const std::string &command)
435 * users on remote servers can completely bypass all permissions based checks.
436 * This prevents desyncs when one server has different type/class tags to another.
437 * That having been said, this does open things up to the possibility of source changes
438 * allowing remote kills, etc - but if they have access to the src, they most likely have
439 * access to the conf - so it's an end to a means either way.
444 // are they even an oper at all?
447 opertype_t::iterator iter_opertype = opertypes.find(this->oper);
448 if (iter_opertype != opertypes.end())
450 char* Classes = strdup(iter_opertype->second);
451 char* myclass = strtok_r(Classes," ",&savept);
454 operclass_t::iterator iter_operclass = operclass.find(myclass);
455 if (iter_operclass != operclass.end())
457 char* CommandList = strdup(iter_operclass->second);
458 mycmd = strtok_r(CommandList," ",&savept2);
461 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
467 mycmd = strtok_r(NULL," ",&savept2);
471 myclass = strtok_r(NULL," ",&savept);
480 bool userrec::AddBuffer(const std::string &a)
484 /* NB: std::string is arsey about \r and \n and tries to translate them
485 * somehow, so we CANNOT use std::string::find() here :(
487 for (std::string::const_iterator i = a.begin(); i != a.end(); i++)
496 if (recvq.length() > (unsigned)this->recvqmax)
498 this->SetWriteError("RecvQ exceeded");
499 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
506 bool userrec::BufferIsReady()
508 return (recvq.find('\n') != std::string::npos);
511 void userrec::ClearBuffer()
516 std::string userrec::GetBuffer()
521 /* Strip any leading \r or \n off the string.
522 * Usually there are only one or two of these,
523 * so its is computationally cheap to do.
525 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
526 recvq.erase(recvq.begin());
528 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
530 /* Find the first complete line, return it as the
531 * result, and leave the recvq as whats left
535 std::string ret = std::string(recvq.begin(), x);
536 recvq.erase(recvq.begin(), x + 1);
543 void userrec::AddWriteBuf(const std::string &data)
545 if (*this->GetWriteError())
548 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
551 * Fix by brain - Set the error text BEFORE calling writeopers, because
552 * if we dont it'll recursively call here over and over again trying
553 * to repeatedly add the text to the sendq!
555 this->SetWriteError("SendQ exceeded");
556 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
560 if (data.length() > 512)
562 std::string newdata(data);
564 newdata.append("\r\n");
565 sendq.append(newdata);
573 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
574 void userrec::FlushWriteBuf()
576 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
578 const char* tb = this->sendq.c_str();
579 int n_sent = write(this->fd,tb,this->sendq.length());
583 this->SetWriteError(strerror(errno));
590 // update the user's stats counters
591 this->bytes_out += n_sent;
597 void userrec::SetWriteError(const std::string &error)
599 log(DEBUG,"SetWriteError: %s",error.c_str());
600 // don't try to set the error twice, its already set take the first string.
601 if (!this->WriteError.length())
603 log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
604 this->WriteError = error;
608 const char* userrec::GetWriteError()
610 return this->WriteError.c_str();
613 void userrec::Oper(const std::string &opertype)
615 this->modes[UM_OPERATOR] = 1;
616 this->WriteServ("MODE %s :+o", this->nick);
617 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
618 log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
619 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
620 all_opers.push_back(this);
621 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
624 void userrec::UnOper()
629 this->modes[UM_OPERATOR] = 0;
630 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
634 log(DEBUG,"Oper removed from optimization list");
642 void userrec::QuitUser(InspIRCd* Instance, userrec *user,const std::string &quitreason)
644 user_hash::iterator iter = Instance->clientlist.find(user->nick);
647 * I'm pretty sure returning here is causing a desync when part of the net thinks a user is gone,
648 * and another part doesn't. We want to broadcast the quit/kill before bailing so the net stays in sync.
650 * I can't imagine this blowing up, so I'm commenting it out. We still check
651 * before playing with a bad iterator below in our if(). DISCUSS THIS BEFORE YOU DO ANYTHING. --w00t
653 * if (iter == clientlist.end())
656 std::string reason = quitreason;
658 if (reason.length() > MAXQUIT - 1)
659 reason.resize(MAXQUIT - 1);
662 user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str());
664 if (user->registered == REG_ALL)
666 user->PurgeEmptyChannels();
667 FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason));
668 user->WriteCommonExcept("QUIT :%s",reason.c_str());
672 user->FlushWriteBuf();
674 FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user));
678 if (Instance->Config->GetIOHook(user->GetPort()))
682 Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd);
684 catch (ModuleException& modexcept)
686 log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
690 Instance->SE->DelFd(user->fd);
695 * this must come before the ServerInstance->WriteOpers so that it doesnt try to fill their buffer with anything
696 * if they were an oper with +s.
699 * In the current implementation, we only show local quits, as we only show local connects. With
700 * the proposed implmentation of snomasks however, this will likely change in the (near?) future.
702 if (user->registered == REG_ALL)
705 Instance->WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str());
709 if (iter != Instance->clientlist.end())
711 log(DEBUG,"deleting user hash value %lx",(unsigned long)user);
714 Instance->fd_ref_table[user->fd] = NULL;
715 if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end())
716 Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user));
718 Instance->clientlist.erase(iter);
728 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
730 this->host = strdup(user->host);
731 this->dhost = strdup(user->dhost);
732 this->ident = strdup(user->ident);
733 this->server = user->server;
734 this->gecos = strdup(user->fullname);
737 WhoWasGroup::~WhoWasGroup()
749 /* every hour, run this function which removes all entries over 3 days */
750 void MaintainWhoWas(time_t TIME)
752 for (whowas_users::iterator iter = ::whowas.begin(); iter != ::whowas.end(); iter++)
754 whowas_set* n = (whowas_set*)iter->second;
757 while ((n->begin() != n->end()) && ((*n->begin())->signon < TIME - 259200)) // 3 days
759 WhoWasGroup *a = *(n->begin());
761 n->erase(n->begin());
769 /* adds or updates an entry in the whowas list */
770 void userrec::AddToWhoWas()
772 irc::whowas::whowas_users::iterator iter = whowas.find(this->nick);
774 if (iter == whowas.end())
776 irc::whowas::whowas_set* n = new irc::whowas::whowas_set;
777 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
779 whowas[this->nick] = n;
783 irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second;
785 if (group->size() > 10)
787 irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin());
792 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
797 /* add a client connection to the sockets list */
798 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip)
800 std::string tempnick = ConvToStr(socket) + "-unknown";
801 user_hash::iterator iter = Instance->clientlist.find(tempnick);
802 const char *ipaddr = insp_ntoa(ip);
808 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
809 * using one as a registered connection. As they are per fd, we can also safely assume
810 * that we wont have collisions. Therefore, if the nick exists in the list, its only
811 * used by a dead socket, erase the iterator so that the new client may reclaim it.
812 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
813 * issue in earlier alphas/betas
815 if (iter != Instance->clientlist.end())
817 userrec* goner = iter->second;
819 Instance->clientlist.erase(iter);
822 log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
824 _new = new userrec(Instance);
825 Instance->clientlist[tempnick] = _new;
827 strlcpy(_new->nick,tempnick.c_str(),NICKMAX-1);
829 _new->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
830 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
831 strcpy(_new->ident, "unknown");
833 _new->registered = REG_NONE;
834 _new->signon = TIME + Instance->Config->dns_timeout;
837 log(DEBUG,"Setting socket addresses");
838 _new->SetSockAddr(AF_FAMILY, ipaddr, port);
839 log(DEBUG,"Socket addresses set.");
841 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
842 for (const char* temp = _new->GetIPString(); *temp && j < 64; temp++, j++)
843 _new->dhost[j] = _new->host[j] = *temp;
844 _new->dhost[j] = _new->host[j] = 0;
846 // set the registration timeout for this user
847 unsigned long class_regtimeout = 90;
849 long class_threshold = 5;
850 long class_sqmax = 262144; // 256kb
851 long class_rqmax = 4096; // 4k
853 for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++)
855 if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true)))
857 class_regtimeout = (unsigned long)i->registration_timeout;
858 class_flood = i->flood;
859 _new->pingmax = i->pingtime;
860 class_threshold = i->threshold;
861 class_sqmax = i->sendqmax;
862 class_rqmax = i->recvqmax;
867 _new->nping = TIME + _new->pingmax + Instance->Config->dns_timeout;
868 _new->timeout = TIME+class_regtimeout;
869 _new->flood = class_flood;
870 _new->threshold = class_threshold;
871 _new->sendqmax = class_sqmax;
872 _new->recvqmax = class_rqmax;
874 Instance->fd_ref_table[socket] = _new;
875 Instance->local_users.push_back(_new);
877 if (Instance->local_users.size() > Instance->Config->SoftLimit)
879 userrec::QuitUser(Instance, _new,"No more connections allowed");
883 if (Instance->local_users.size() >= MAXCLIENTS)
885 userrec::QuitUser(Instance, _new,"No more connections allowed");
891 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
892 * its a pretty big but for the moment valid assumption:
893 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
894 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
895 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
896 * which for the time being is a physical impossibility (even the largest networks dont have more
897 * than about 10,000 users on ONE server!)
899 if ((unsigned)socket >= MAX_DESCRIPTORS)
901 userrec::QuitUser(Instance, _new,"Server is full");
904 char* e = matches_exception(ipaddr);
907 char* r = matches_zline(ipaddr);
911 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
912 userrec::QuitUser(Instance, _new,reason);
919 if (!Instance->SE->AddFd(socket,true,X_ESTAB_CLIENT))
921 userrec::QuitUser(Instance, _new, "Internal error handling connection");
926 _new->WriteServ("NOTICE Auth :*** Looking up your hostname...");
929 long userrec::GlobalCloneCount()
934 for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++)
936 /* We have to match ip's as strings - we don't know what protocol
937 * a remote user may be using
939 if (!strcasecmp(a->second->GetIPString(u1), this->GetIPString(u2)))
945 long userrec::LocalCloneCount()
948 for (std::vector<userrec*>::const_iterator a = ServerInstance->local_users.begin(); a != ServerInstance->local_users.end(); a++)
952 /* I dont think theres any faster way of matching two ipv6 addresses than memcmp */
953 in6_addr* s1 = &(((sockaddr_in6*)comp->ip)->sin6_addr);
954 in6_addr* s2 = &(((sockaddr_in6*)this->ip)->sin6_addr);
955 if (!memcmp(s1->s6_addr, s2->s6_addr, sizeof(in6_addr)))
958 in_addr* s1 = &((sockaddr_in*)comp->ip)->sin_addr;
959 in_addr* s2 = &((sockaddr_in*)this->ip)->sin_addr;
960 if (s1->s_addr == s2->s_addr)
967 void userrec::FullConnect(CullList* Goners)
969 ServerInstance->stats->statsConnects++;
970 this->idle_lastmsg = TIME;
972 ConnectClass a = this->GetClass();
974 if (a.type == CC_DENY)
976 Goners->AddItem(this,"Unauthorised connection");
980 if ((*(a.pass.c_str())) && (!this->haspassed))
982 Goners->AddItem(this,"Invalid password");
986 if (this->LocalCloneCount() > a.maxlocal)
988 Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)");
989 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString());
992 else if (this->GlobalCloneCount() > a.maxglobal)
994 Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)");
995 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString());
999 char match_against[MAXBUF];
1000 snprintf(match_against,MAXBUF,"%s@%s", this->ident, this->host);
1001 char* e = matches_exception(match_against);
1005 char* r = matches_gline(match_against);
1009 char reason[MAXBUF];
1010 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1011 Goners->AddItem(this, reason);
1015 r = matches_kline(match_against);
1019 char reason[MAXBUF];
1020 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1021 Goners->AddItem(this, reason);
1027 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1028 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1029 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1030 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1031 this->WriteServ("004 %s %s %s %s %s %s", this->nick, ServerInstance->Config->ServerName, VERSION, ServerInstance->ModeGrok->UserModeList().c_str(), ServerInstance->ModeGrok->ChannelModeList().c_str(), ServerInstance->ModeGrok->ParaModeList().c_str());
1033 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1034 // so i'd better split it :)
1035 std::stringstream out(ServerInstance->Config->data005);
1036 std::string token = "";
1037 std::string line5 = "";
1038 int token_counter = 0;
1043 line5 = line5 + token + " ";
1046 if ((token_counter >= 13) || (out.eof() == true))
1048 this->WriteServ("005 %s %s:are supported by this server", this->nick, line5.c_str());
1057 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1058 * changes dont go out onto the network and produce 'fake direction'.
1060 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1061 FOREACH_MOD(I_OnGlobalConnect,OnGlobalConnect(this));
1062 this->registered = REG_ALL;
1063 ServerInstance->WriteOpers("*** Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1066 /** userrec::UpdateNick()
1067 * re-allocates a nick in the user_hash after they change nicknames,
1068 * returns a pointer to the new user as it may have moved
1070 userrec* userrec::UpdateNickHash(const char* New)
1072 //user_hash::iterator newnick;
1073 user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick);
1075 if (!strcasecmp(this->nick,New))
1076 return oldnick->second;
1078 if (oldnick == ServerInstance->clientlist.end())
1079 return NULL; /* doesnt exist */
1081 userrec* olduser = oldnick->second;
1082 ServerInstance->clientlist[New] = olduser;
1083 ServerInstance->clientlist.erase(oldnick);
1084 return ServerInstance->clientlist[New];
1087 bool userrec::ForceNickChange(const char* newnick)
1094 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1098 ServerInstance->stats->statsCollisions++;
1102 if (matches_qline(newnick))
1104 ServerInstance->stats->statsCollisions++;
1110 strlcpy(this->nick, newnick, NICKMAX - 1);
1112 if (this->registered == REG_ALL)
1114 const char* pars[1];
1116 std::string cmd = "NICK";
1117 ServerInstance->Parser->CallHandler(cmd, pars, 1, this);
1122 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1124 switch (protocol_family)
1126 #ifdef SUPPORT_IP6LINKS
1129 log(DEBUG,"Set inet6 protocol address");
1130 sockaddr_in6* sin = new sockaddr_in6;
1131 sin->sin6_family = AF_INET6;
1132 sin->sin6_port = port;
1133 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1134 this->ip = (sockaddr*)sin;
1140 log(DEBUG,"Set inet4 protocol address");
1141 sockaddr_in* sin = new sockaddr_in;
1142 sin->sin_family = AF_INET;
1143 sin->sin_port = port;
1144 inet_pton(AF_INET, ip, &sin->sin_addr);
1145 this->ip = (sockaddr*)sin;
1149 log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1154 int userrec::GetPort()
1156 if (this->ip == NULL)
1159 switch (this->GetProtocolFamily())
1161 #ifdef SUPPORT_IP6LINKS
1164 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1165 return sin->sin6_port;
1171 sockaddr_in* sin = (sockaddr_in*)this->ip;
1172 return sin->sin_port;
1176 log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1182 int userrec::GetProtocolFamily()
1184 if (this->ip == NULL)
1187 sockaddr_in* sin = (sockaddr_in*)this->ip;
1188 return sin->sin_family;
1191 const char* userrec::GetIPString()
1193 static char buf[1024];
1194 static char temp[1024];
1196 if (this->ip == NULL)
1199 switch (this->GetProtocolFamily())
1201 #ifdef SUPPORT_IP6LINKS
1204 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1205 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1206 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1209 strlcpy(&temp[1], buf, sizeof(temp));
1219 sockaddr_in* sin = (sockaddr_in*)this->ip;
1220 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1225 log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1231 const char* userrec::GetIPString(char* buf)
1233 static char temp[1024];
1235 if (this->ip == NULL)
1241 switch (this->GetProtocolFamily())
1243 #ifdef SUPPORT_IP6LINKS
1246 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1247 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1248 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1251 strlcpy(&temp[1], buf, sizeof(temp));
1253 strlcpy(buf, temp, sizeof(temp));
1261 sockaddr_in* sin = (sockaddr_in*)this->ip;
1262 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1268 log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1275 void userrec::Write(const std::string &text)
1277 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1280 std::string crlf = text;
1281 crlf.append("\r\n");
1283 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1287 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, crlf.data(), crlf.length());
1289 catch (ModuleException& modexcept)
1291 log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
1296 this->AddWriteBuf(crlf);
1298 ServerInstance->stats->statsSent += crlf.length();
1303 void userrec::Write(const char *text, ...)
1306 char textbuffer[MAXBUF];
1308 va_start(argsPtr, text);
1309 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1312 this->Write(std::string(textbuffer));
1315 void userrec::WriteServ(const std::string& text)
1317 char textbuffer[MAXBUF];
1319 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1320 this->Write(std::string(textbuffer));
1324 * Same as Write(), except `text' is prefixed with `:server.name '.
1326 void userrec::WriteServ(const char* text, ...)
1329 char textbuffer[MAXBUF];
1331 va_start(argsPtr, text);
1332 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1335 this->WriteServ(std::string(textbuffer));
1339 void userrec::WriteFrom(userrec *user, const std::string &text)
1343 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1345 this->Write(std::string(tb));
1349 /* write text from an originating user to originating user */
1351 void userrec::WriteFrom(userrec *user, const char* text, ...)
1354 char textbuffer[MAXBUF];
1356 va_start(argsPtr, text);
1357 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1360 this->WriteFrom(user, std::string(textbuffer));
1364 /* write text to an destination user from a source user (e.g. user privmsg) */
1366 void userrec::WriteTo(userrec *dest, const char *data, ...)
1368 char textbuffer[MAXBUF];
1371 va_start(argsPtr, data);
1372 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1375 this->WriteTo(dest, std::string(textbuffer));
1378 void userrec::WriteTo(userrec *dest, const std::string &data)
1380 dest->WriteFrom(this, data);
1384 void userrec::WriteCommon(const char* text, ...)
1386 char textbuffer[MAXBUF];
1389 if (this->registered != REG_ALL)
1392 va_start(argsPtr, text);
1393 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1396 this->WriteCommon(std::string(textbuffer));
1399 void userrec::WriteCommon(const std::string &text)
1401 bool sent_to_at_least_one = false;
1403 if (this->registered != REG_ALL)
1408 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1413 CUList *ulist= n->channel->GetUsers();
1415 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1417 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1419 already_sent[i->second->fd] = uniq_id;
1420 i->second->WriteFrom(this, std::string(text));
1421 sent_to_at_least_one = true;
1428 * if the user was not in any channels, no users will receive the text. Make sure the user
1429 * receives their OWN message for WriteCommon
1431 if (!sent_to_at_least_one)
1433 this->WriteFrom(this,std::string(text));
1438 /* write a formatted string to all users who share at least one common
1439 * channel, NOT including the source user e.g. for use in QUIT
1442 void userrec::WriteCommonExcept(const char* text, ...)
1444 char textbuffer[MAXBUF];
1447 va_start(argsPtr, text);
1448 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1451 this->WriteCommonExcept(std::string(textbuffer));
1454 void userrec::WriteCommonExcept(const std::string &text)
1456 bool quit_munge = true;
1457 char oper_quit[MAXBUF];
1458 char textbuffer[MAXBUF];
1460 strlcpy(textbuffer, text.c_str(), MAXBUF);
1462 if (this->registered != REG_ALL)
1467 /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
1468 * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
1471 if (ServerInstance->Config->HideSplits)
1473 char* check = textbuffer + 6;
1475 if (!strncasecmp(textbuffer, "QUIT :",6))
1477 std::stringstream split(check);
1478 std::string server_one;
1479 std::string server_two;
1481 split >> server_one;
1482 split >> server_two;
1484 if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
1486 strlcpy(oper_quit,textbuffer,MAXQUIT);
1487 strlcpy(check,"*.net *.split",MAXQUIT);
1493 if ((ServerInstance->Config->HideBans) && (!quit_munge))
1495 if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
1496 || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
1498 char* check = textbuffer + 13;
1499 strlcpy(oper_quit,textbuffer,MAXQUIT);
1500 *check = 0; // We don't need to strlcpy, we just chop it from the :
1505 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1510 CUList *ulist= n->channel->GetUsers();
1512 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1514 if (this != i->second)
1516 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1518 already_sent[i->second->fd] = uniq_id;
1520 i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer));
1522 i->second->WriteFrom(this, std::string(textbuffer));
1531 void userrec::WriteWallOps(const std::string &text)
1533 /* Does nothing if theyre not opered */
1534 if ((!*this->oper) && (IS_LOCAL(this)))
1537 std::string wallop = "WALLOPS :";
1538 wallop.append(text);
1540 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1543 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1544 this->WriteTo(t,wallop);
1548 void userrec::WriteWallOps(const char* text, ...)
1550 char textbuffer[MAXBUF];
1553 va_start(argsPtr, text);
1554 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1557 this->WriteWallOps(std::string(textbuffer));
1560 /* return 0 or 1 depending if users u and u2 share one or more common channels
1561 * (used by QUIT, NICK etc which arent channel specific notices)
1563 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1564 * the first users channels then the second users channels within the outer loop,
1565 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1566 * all possible iterations). However this new function instead checks against the
1567 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1568 * and saves us time as we already know what pointer value we are after.
1569 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1570 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1572 bool userrec::SharesChannelWith(userrec *other)
1574 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1578 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1580 /* Fetch the channel from the user */
1581 ucrec* user_channel = *i;
1583 if (user_channel->channel)
1585 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1586 * by replacing it with a map::find which *should* be more efficient
1588 if (user_channel->channel->HasUser(other))
1595 int userrec::CountChannels()
1598 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1604 bool userrec::ChangeName(const char* gecos)
1609 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1612 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1614 strlcpy(this->fullname,gecos,MAXGECOS+1);
1618 bool userrec::ChangeDisplayedHost(const char* host)
1623 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1626 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1628 strlcpy(this->dhost,host,63);
1631 this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
1636 void userrec::NoticeAll(char* text, ...)
1638 char textbuffer[MAXBUF];
1639 char formatbuffer[MAXBUF];
1642 va_start(argsPtr, text);
1643 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1646 snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
1648 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1651 t->WriteFrom(this, std::string(formatbuffer));
1656 std::string userrec::ChannelList(userrec* source)
1659 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1663 if(rec->channel && rec->channel->name)
1665 /* If the target is the same as the sender, let them see all their channels.
1666 * If the channel is NOT private/secret OR the user shares a common channel
1667 * If the user is an oper, and the <options:operspywhois> option is set.
1669 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!rec->channel->modes[CM_PRIVATE]) && (!rec->channel->modes[CM_SECRET])) || (rec->channel->HasUser(source))))
1671 list.append(rec->channel->GetStatusChar(this)).append(rec->channel->name).append(" ");
1678 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1681 std::ostringstream prefix;
1682 std::string::size_type start, pos, length;
1684 prefix << ":" << ServerInstance->Config->ServerName << " 319 " << this->nick << " " << dest->nick << " :";
1685 line = prefix.str();
1687 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1689 length = (pos == std::string::npos) ? cl.length() : pos;
1691 if (line.length() + length - start > 510)
1694 line = prefix.str();
1697 if(pos == std::string::npos)
1699 line += cl.substr(start, length - start);
1704 line += cl.substr(start, length - start + 1);
1715 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1716 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1717 * then their ip will be taken as 'priority' anyway, so for example,
1718 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1720 ConnectClass& userrec::GetClass()
1722 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1724 if ((match(this->GetIPString(),i->host.c_str(),true)) || (match(this->host,i->host.c_str())))
1728 return *(ServerInstance->Config->Classes.begin());
1731 void userrec::PurgeEmptyChannels()
1733 std::vector<chanrec*> to_delete;
1735 // firstly decrement the count on each channel
1736 for (std::vector<ucrec*>::iterator f = this->chans.begin(); f != this->chans.end(); f++)
1741 if (uc->channel->DelUser(this) == 0)
1743 /* No users left in here, mark it for deletion */
1744 to_delete.push_back(uc->channel);
1750 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1752 chanrec* thischan = *n;
1753 chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name);
1754 if (i2 != ServerInstance->chanlist.end())
1756 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1758 ServerInstance->chanlist.erase(i2);