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"
35 extern Server* MyServer;
37 irc::whowas::whowas_users whowas;
38 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
40 typedef std::map<irc::string,char*> opertype_t;
41 typedef opertype_t operclass_t;
44 operclass_t operclass;
46 /* XXX: Used for speeding up WriteCommon operations */
47 unsigned long uniq_id = 0;
49 bool InitTypes(ServerConfig* conf, const char* tag)
51 for (opertype_t::iterator n = opertypes.begin(); n != opertypes.end(); n++)
61 bool InitClasses(ServerConfig* conf, const char* tag)
63 for (operclass_t::iterator n = operclass.begin(); n != operclass.end(); n++)
73 bool DoType(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
75 char* TypeName = (char*)values[0];
76 char* Classes = (char*)values[1];
78 opertypes[TypeName] = strdup(Classes);
79 log(DEBUG,"Read oper TYPE '%s' with classes '%s'",TypeName,Classes);
83 bool DoClass(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
85 char* ClassName = (char*)values[0];
86 char* CommandList = (char*)values[1];
88 operclass[ClassName] = strdup(CommandList);
89 log(DEBUG,"Read oper CLASS '%s' with commands '%s'",ClassName,CommandList);
93 bool DoneClassesAndTypes(ServerConfig* conf, const char* tag)
98 bool userrec::ProcessNoticeMasks(const char *sm)
114 if ((*c >= 'A') && (*c <= 'z'))
115 this->SetNoticeMask(*c, adding);
125 void userrec::StartDNSLookup()
127 log(DEBUG,"Commencing reverse lookup");
130 log(DEBUG,"Passing instance: %08x",this->ServerInstance);
131 res_reverse = new UserResolver(this->ServerInstance, this, this->GetIPString(), false);
132 MyServer->AddResolver(res_reverse);
134 catch (ModuleException& e)
136 log(DEBUG,"Error in resolver: %s",e.GetReason());
140 UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, bool forward) :
141 Resolver(Instance, to_resolve, forward ? DNS_QUERY_FORWARD : DNS_QUERY_REVERSE), bound_user(user)
144 this->bound_fd = user->fd;
147 void UserResolver::OnLookupComplete(const std::string &result)
149 if ((!this->fwd) && (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user))
151 log(DEBUG,"Commencing forward lookup");
152 this->bound_user->stored_host = result;
155 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, true);
156 MyServer->AddResolver(bound_user->res_forward);
158 catch (ModuleException& e)
160 log(DEBUG,"Error in resolver: %s",e.GetReason());
163 else if ((this->fwd) && (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user))
165 /* Both lookups completed */
166 if (this->bound_user->GetIPString() == result)
168 std::string hostname = this->bound_user->stored_host;
169 if (hostname.length() < 65)
171 /* Hostnames starting with : are not a good thing (tm) */
172 if (*(hostname.c_str()) == ':')
173 hostname = "0" + hostname;
175 this->bound_user->WriteServ("NOTICE Auth :*** Found your hostname (%s)", hostname.c_str());
176 this->bound_user->dns_done = true;
177 strlcpy(this->bound_user->dhost, hostname.c_str(),64);
178 strlcpy(this->bound_user->host, hostname.c_str(),64);
182 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());
187 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());
192 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
194 if (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user)
196 /* Error message here */
197 this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname, using your IP address (%s) instead.", this->bound_user->GetIPString());
198 this->bound_user->dns_done = true;
203 bool userrec::IsNoticeMaskSet(unsigned char sm)
205 return (snomasks[sm-65]);
208 void userrec::SetNoticeMask(unsigned char sm, bool value)
210 snomasks[sm-65] = value;
213 const char* userrec::FormatNoticeMasks()
215 static char data[MAXBUF];
218 for (int n = 0; n < 64; n++)
221 data[offset++] = n+65;
230 bool userrec::IsModeSet(unsigned char m)
232 return (modes[m-65]);
235 void userrec::SetMode(unsigned char m, bool value)
240 const char* userrec::FormatModes()
242 static char data[MAXBUF];
244 for (int n = 0; n < 64; n++)
247 data[offset++] = n+65;
253 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
255 log(DEBUG,"userrec::userrec(): Instance: %08x",ServerInstance);
256 // the PROPER way to do it, AVOID bzero at *ALL* costs
257 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
258 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
260 lines_in = fd = lastping = signon = idle_lastmsg = nping = registered = 0;
261 timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
262 haspassed = dns_done = false;
266 res_forward = res_reverse = NULL;
270 chans.resize(MAXCHANS);
271 memset(modes,0,sizeof(modes));
273 for (unsigned int n = 0; n < MAXCHANS; n++)
275 ucrec* x = new ucrec();
284 for (std::vector<ucrec*>::iterator n = chans.begin(); n != chans.end(); n++)
286 ucrec* x = (ucrec*)*n;
292 if (this->GetProtocolFamily() == AF_INET)
294 delete (sockaddr_in*)ip;
296 #ifdef SUPPORT_IP6LINKS
299 delete (sockaddr_in6*)ip;
305 /* XXX - minor point, other *Host functions return a char *, this one creates it. Might be nice to be consistant? */
306 void userrec::MakeHost(char* nhost)
308 /* This is much faster than snprintf */
310 for(char* n = ident; *n; n++)
313 for(char* n = host; *n; n++)
318 void userrec::CloseSocket()
320 shutdown(this->fd,2);
324 char* userrec::GetFullHost()
326 static char result[MAXBUF];
328 for(char* n = nick; *n; n++)
331 for(char* n = ident; *n; n++)
334 for(char* n = dhost; *n; n++)
340 char* userrec::MakeWildHost()
342 static char nresult[MAXBUF];
344 *t++ = '*'; *t++ = '!';
345 *t++ = '*'; *t++ = '@';
346 for(char* n = dhost; *n; n++)
352 int userrec::ReadData(void* buffer, size_t size)
356 return read(this->fd, buffer, size);
363 char* userrec::GetFullRealHost()
365 static char fresult[MAXBUF];
367 for(char* n = nick; *n; n++)
370 for(char* n = ident; *n; n++)
373 for(char* n = host; *n; n++)
379 bool userrec::IsInvited(irc::string &channel)
381 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
383 irc::string compare = i->channel;
385 if (compare == channel)
393 InvitedList* userrec::GetInviteList()
398 void userrec::InviteTo(irc::string &channel)
402 invites.push_back(i);
405 void userrec::RemoveInvite(irc::string &channel)
407 log(DEBUG,"Removing invites");
411 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
413 irc::string compare = i->channel;
415 if (compare == channel)
424 bool userrec::HasPermission(const std::string &command)
431 * users on remote servers can completely bypass all permissions based checks.
432 * This prevents desyncs when one server has different type/class tags to another.
433 * That having been said, this does open things up to the possibility of source changes
434 * allowing remote kills, etc - but if they have access to the src, they most likely have
435 * access to the conf - so it's an end to a means either way.
440 // are they even an oper at all?
443 opertype_t::iterator iter_opertype = opertypes.find(this->oper);
444 if (iter_opertype != opertypes.end())
446 char* Classes = strdup(iter_opertype->second);
447 char* myclass = strtok_r(Classes," ",&savept);
450 operclass_t::iterator iter_operclass = operclass.find(myclass);
451 if (iter_operclass != operclass.end())
453 char* CommandList = strdup(iter_operclass->second);
454 mycmd = strtok_r(CommandList," ",&savept2);
457 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
463 mycmd = strtok_r(NULL," ",&savept2);
467 myclass = strtok_r(NULL," ",&savept);
476 bool userrec::AddBuffer(const std::string &a)
480 /* NB: std::string is arsey about \r and \n and tries to translate them
481 * somehow, so we CANNOT use std::string::find() here :(
483 for (std::string::const_iterator i = a.begin(); i != a.end(); i++)
492 if (recvq.length() > (unsigned)this->recvqmax)
494 this->SetWriteError("RecvQ exceeded");
495 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
502 bool userrec::BufferIsReady()
504 return (recvq.find('\n') != std::string::npos);
507 void userrec::ClearBuffer()
512 std::string userrec::GetBuffer()
517 /* Strip any leading \r or \n off the string.
518 * Usually there are only one or two of these,
519 * so its is computationally cheap to do.
521 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
522 recvq.erase(recvq.begin());
524 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
526 /* Find the first complete line, return it as the
527 * result, and leave the recvq as whats left
531 std::string ret = std::string(recvq.begin(), x);
532 recvq.erase(recvq.begin(), x + 1);
539 void userrec::AddWriteBuf(const std::string &data)
541 if (*this->GetWriteError())
544 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
547 * Fix by brain - Set the error text BEFORE calling writeopers, because
548 * if we dont it'll recursively call here over and over again trying
549 * to repeatedly add the text to the sendq!
551 this->SetWriteError("SendQ exceeded");
552 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
556 if (data.length() > 512)
558 std::string newdata(data);
560 newdata.append("\r\n");
561 sendq.append(newdata);
569 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
570 void userrec::FlushWriteBuf()
572 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
574 const char* tb = this->sendq.c_str();
575 int n_sent = write(this->fd,tb,this->sendq.length());
579 this->SetWriteError(strerror(errno));
586 // update the user's stats counters
587 this->bytes_out += n_sent;
593 void userrec::SetWriteError(const std::string &error)
595 log(DEBUG,"SetWriteError: %s",error.c_str());
596 // don't try to set the error twice, its already set take the first string.
597 if (!this->WriteError.length())
599 log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
600 this->WriteError = error;
604 const char* userrec::GetWriteError()
606 return this->WriteError.c_str();
609 void userrec::Oper(const std::string &opertype)
611 this->modes[UM_OPERATOR] = 1;
612 this->WriteServ("MODE %s :+o", this->nick);
613 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
614 log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
615 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
616 ServerInstance->all_opers.push_back(this);
617 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
620 void userrec::UnOper()
625 this->modes[UM_OPERATOR] = 0;
626 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
630 log(DEBUG,"Oper removed from optimization list");
631 ServerInstance->all_opers.erase(a);
638 void userrec::QuitUser(InspIRCd* Instance, userrec *user,const std::string &quitreason)
640 user_hash::iterator iter = Instance->clientlist.find(user->nick);
643 * I'm pretty sure returning here is causing a desync when part of the net thinks a user is gone,
644 * and another part doesn't. We want to broadcast the quit/kill before bailing so the net stays in sync.
646 * I can't imagine this blowing up, so I'm commenting it out. We still check
647 * before playing with a bad iterator below in our if(). DISCUSS THIS BEFORE YOU DO ANYTHING. --w00t
649 * if (iter == clientlist.end())
652 std::string reason = quitreason;
654 if (reason.length() > MAXQUIT - 1)
655 reason.resize(MAXQUIT - 1);
658 user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str());
660 if (user->registered == REG_ALL)
662 user->PurgeEmptyChannels();
663 FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason));
664 user->WriteCommonExcept("QUIT :%s",reason.c_str());
668 user->FlushWriteBuf();
670 FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user));
674 if (Instance->Config->GetIOHook(user->GetPort()))
678 Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd);
680 catch (ModuleException& modexcept)
682 log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
686 Instance->SE->DelFd(user->fd);
691 * this must come before the ServerInstance->WriteOpers so that it doesnt try to fill their buffer with anything
692 * if they were an oper with +s.
695 * In the current implementation, we only show local quits, as we only show local connects. With
696 * the proposed implmentation of snomasks however, this will likely change in the (near?) future.
698 if (user->registered == REG_ALL)
701 Instance->WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str());
705 if (iter != Instance->clientlist.end())
707 log(DEBUG,"deleting user hash value %lx",(unsigned long)user);
710 Instance->fd_ref_table[user->fd] = NULL;
711 if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end())
712 Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user));
714 Instance->clientlist.erase(iter);
724 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
726 this->host = strdup(user->host);
727 this->dhost = strdup(user->dhost);
728 this->ident = strdup(user->ident);
729 this->server = user->server;
730 this->gecos = strdup(user->fullname);
733 WhoWasGroup::~WhoWasGroup()
745 /* every hour, run this function which removes all entries over 3 days */
746 void MaintainWhoWas(time_t TIME)
748 for (whowas_users::iterator iter = ::whowas.begin(); iter != ::whowas.end(); iter++)
750 whowas_set* n = (whowas_set*)iter->second;
753 while ((n->begin() != n->end()) && ((*n->begin())->signon < TIME - 259200)) // 3 days
755 WhoWasGroup *a = *(n->begin());
757 n->erase(n->begin());
765 /* adds or updates an entry in the whowas list */
766 void userrec::AddToWhoWas()
768 irc::whowas::whowas_users::iterator iter = whowas.find(this->nick);
770 if (iter == whowas.end())
772 irc::whowas::whowas_set* n = new irc::whowas::whowas_set;
773 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
775 whowas[this->nick] = n;
779 irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second;
781 if (group->size() > 10)
783 irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin());
788 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
793 /* add a client connection to the sockets list */
794 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip)
796 std::string tempnick = ConvToStr(socket) + "-unknown";
797 user_hash::iterator iter = Instance->clientlist.find(tempnick);
798 const char *ipaddr = insp_ntoa(ip);
804 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
805 * using one as a registered connection. As they are per fd, we can also safely assume
806 * that we wont have collisions. Therefore, if the nick exists in the list, its only
807 * used by a dead socket, erase the iterator so that the new client may reclaim it.
808 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
809 * issue in earlier alphas/betas
811 if (iter != Instance->clientlist.end())
813 userrec* goner = iter->second;
815 Instance->clientlist.erase(iter);
818 log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
820 _new = new userrec(Instance);
821 Instance->clientlist[tempnick] = _new;
823 strlcpy(_new->nick,tempnick.c_str(),NICKMAX-1);
825 _new->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
826 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
827 strcpy(_new->ident, "unknown");
829 _new->registered = REG_NONE;
830 _new->signon = TIME + Instance->Config->dns_timeout;
833 log(DEBUG,"Setting socket addresses");
834 _new->SetSockAddr(AF_FAMILY, ipaddr, port);
835 log(DEBUG,"Socket addresses set.");
837 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
838 for (const char* temp = _new->GetIPString(); *temp && j < 64; temp++, j++)
839 _new->dhost[j] = _new->host[j] = *temp;
840 _new->dhost[j] = _new->host[j] = 0;
842 // set the registration timeout for this user
843 unsigned long class_regtimeout = 90;
845 long class_threshold = 5;
846 long class_sqmax = 262144; // 256kb
847 long class_rqmax = 4096; // 4k
849 for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++)
851 if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true)))
853 class_regtimeout = (unsigned long)i->registration_timeout;
854 class_flood = i->flood;
855 _new->pingmax = i->pingtime;
856 class_threshold = i->threshold;
857 class_sqmax = i->sendqmax;
858 class_rqmax = i->recvqmax;
863 _new->nping = TIME + _new->pingmax + Instance->Config->dns_timeout;
864 _new->timeout = TIME+class_regtimeout;
865 _new->flood = class_flood;
866 _new->threshold = class_threshold;
867 _new->sendqmax = class_sqmax;
868 _new->recvqmax = class_rqmax;
870 Instance->fd_ref_table[socket] = _new;
871 Instance->local_users.push_back(_new);
873 if (Instance->local_users.size() > Instance->Config->SoftLimit)
875 userrec::QuitUser(Instance, _new,"No more connections allowed");
879 if (Instance->local_users.size() >= MAXCLIENTS)
881 userrec::QuitUser(Instance, _new,"No more connections allowed");
887 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
888 * its a pretty big but for the moment valid assumption:
889 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
890 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
891 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
892 * which for the time being is a physical impossibility (even the largest networks dont have more
893 * than about 10,000 users on ONE server!)
895 if ((unsigned)socket >= MAX_DESCRIPTORS)
897 userrec::QuitUser(Instance, _new,"Server is full");
900 char* e = matches_exception(ipaddr);
903 char* r = matches_zline(ipaddr);
907 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
908 userrec::QuitUser(Instance, _new,reason);
915 if (!Instance->SE->AddFd(socket,true,X_ESTAB_CLIENT))
917 userrec::QuitUser(Instance, _new, "Internal error handling connection");
922 _new->WriteServ("NOTICE Auth :*** Looking up your hostname...");
925 long userrec::GlobalCloneCount()
930 for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++)
932 /* We have to match ip's as strings - we don't know what protocol
933 * a remote user may be using
935 if (!strcasecmp(a->second->GetIPString(u1), this->GetIPString(u2)))
941 long userrec::LocalCloneCount()
944 for (std::vector<userrec*>::const_iterator a = ServerInstance->local_users.begin(); a != ServerInstance->local_users.end(); a++)
948 /* I dont think theres any faster way of matching two ipv6 addresses than memcmp */
949 in6_addr* s1 = &(((sockaddr_in6*)comp->ip)->sin6_addr);
950 in6_addr* s2 = &(((sockaddr_in6*)this->ip)->sin6_addr);
951 if (!memcmp(s1->s6_addr, s2->s6_addr, sizeof(in6_addr)))
954 in_addr* s1 = &((sockaddr_in*)comp->ip)->sin_addr;
955 in_addr* s2 = &((sockaddr_in*)this->ip)->sin_addr;
956 if (s1->s_addr == s2->s_addr)
963 void userrec::FullConnect(CullList* Goners)
965 ServerInstance->stats->statsConnects++;
966 this->idle_lastmsg = TIME;
968 ConnectClass a = this->GetClass();
970 if (a.type == CC_DENY)
972 Goners->AddItem(this,"Unauthorised connection");
976 if ((*(a.pass.c_str())) && (!this->haspassed))
978 Goners->AddItem(this,"Invalid password");
982 if (this->LocalCloneCount() > a.maxlocal)
984 Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)");
985 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString());
988 else if (this->GlobalCloneCount() > a.maxglobal)
990 Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)");
991 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString());
995 char match_against[MAXBUF];
996 snprintf(match_against,MAXBUF,"%s@%s", this->ident, this->host);
997 char* e = matches_exception(match_against);
1001 char* r = matches_gline(match_against);
1005 char reason[MAXBUF];
1006 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1007 Goners->AddItem(this, reason);
1011 r = matches_kline(match_against);
1015 char reason[MAXBUF];
1016 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1017 Goners->AddItem(this, reason);
1023 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1024 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1025 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1026 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1027 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());
1029 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1030 // so i'd better split it :)
1031 std::stringstream out(ServerInstance->Config->data005);
1032 std::string token = "";
1033 std::string line5 = "";
1034 int token_counter = 0;
1039 line5 = line5 + token + " ";
1042 if ((token_counter >= 13) || (out.eof() == true))
1044 this->WriteServ("005 %s %s:are supported by this server", this->nick, line5.c_str());
1053 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1054 * changes dont go out onto the network and produce 'fake direction'.
1056 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1057 FOREACH_MOD(I_OnGlobalConnect,OnGlobalConnect(this));
1058 this->registered = REG_ALL;
1059 ServerInstance->WriteOpers("*** Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1062 /** userrec::UpdateNick()
1063 * re-allocates a nick in the user_hash after they change nicknames,
1064 * returns a pointer to the new user as it may have moved
1066 userrec* userrec::UpdateNickHash(const char* New)
1068 //user_hash::iterator newnick;
1069 user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick);
1071 if (!strcasecmp(this->nick,New))
1072 return oldnick->second;
1074 if (oldnick == ServerInstance->clientlist.end())
1075 return NULL; /* doesnt exist */
1077 userrec* olduser = oldnick->second;
1078 ServerInstance->clientlist[New] = olduser;
1079 ServerInstance->clientlist.erase(oldnick);
1080 return ServerInstance->clientlist[New];
1083 bool userrec::ForceNickChange(const char* newnick)
1090 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1094 ServerInstance->stats->statsCollisions++;
1098 if (matches_qline(newnick))
1100 ServerInstance->stats->statsCollisions++;
1106 strlcpy(this->nick, newnick, NICKMAX - 1);
1108 if (this->registered == REG_ALL)
1110 const char* pars[1];
1112 std::string cmd = "NICK";
1113 ServerInstance->Parser->CallHandler(cmd, pars, 1, this);
1118 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1120 switch (protocol_family)
1122 #ifdef SUPPORT_IP6LINKS
1125 log(DEBUG,"Set inet6 protocol address");
1126 sockaddr_in6* sin = new sockaddr_in6;
1127 sin->sin6_family = AF_INET6;
1128 sin->sin6_port = port;
1129 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1130 this->ip = (sockaddr*)sin;
1136 log(DEBUG,"Set inet4 protocol address");
1137 sockaddr_in* sin = new sockaddr_in;
1138 sin->sin_family = AF_INET;
1139 sin->sin_port = port;
1140 inet_pton(AF_INET, ip, &sin->sin_addr);
1141 this->ip = (sockaddr*)sin;
1145 log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1150 int userrec::GetPort()
1152 if (this->ip == NULL)
1155 switch (this->GetProtocolFamily())
1157 #ifdef SUPPORT_IP6LINKS
1160 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1161 return sin->sin6_port;
1167 sockaddr_in* sin = (sockaddr_in*)this->ip;
1168 return sin->sin_port;
1172 log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1178 int userrec::GetProtocolFamily()
1180 if (this->ip == NULL)
1183 sockaddr_in* sin = (sockaddr_in*)this->ip;
1184 return sin->sin_family;
1187 const char* userrec::GetIPString()
1189 static char buf[1024];
1190 static char temp[1024];
1192 if (this->ip == NULL)
1195 switch (this->GetProtocolFamily())
1197 #ifdef SUPPORT_IP6LINKS
1200 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1201 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1202 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1205 strlcpy(&temp[1], buf, sizeof(temp));
1215 sockaddr_in* sin = (sockaddr_in*)this->ip;
1216 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1221 log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1227 const char* userrec::GetIPString(char* buf)
1229 static char temp[1024];
1231 if (this->ip == NULL)
1237 switch (this->GetProtocolFamily())
1239 #ifdef SUPPORT_IP6LINKS
1242 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1243 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1244 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1247 strlcpy(&temp[1], buf, sizeof(temp));
1249 strlcpy(buf, temp, sizeof(temp));
1257 sockaddr_in* sin = (sockaddr_in*)this->ip;
1258 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1264 log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1271 void userrec::Write(const std::string &text)
1273 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1276 std::string crlf = text;
1277 crlf.append("\r\n");
1279 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1283 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, crlf.data(), crlf.length());
1285 catch (ModuleException& modexcept)
1287 log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
1292 this->AddWriteBuf(crlf);
1294 ServerInstance->stats->statsSent += crlf.length();
1299 void userrec::Write(const char *text, ...)
1302 char textbuffer[MAXBUF];
1304 va_start(argsPtr, text);
1305 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1308 this->Write(std::string(textbuffer));
1311 void userrec::WriteServ(const std::string& text)
1313 char textbuffer[MAXBUF];
1315 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1316 this->Write(std::string(textbuffer));
1320 * Same as Write(), except `text' is prefixed with `:server.name '.
1322 void userrec::WriteServ(const char* text, ...)
1325 char textbuffer[MAXBUF];
1327 va_start(argsPtr, text);
1328 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1331 this->WriteServ(std::string(textbuffer));
1335 void userrec::WriteFrom(userrec *user, const std::string &text)
1339 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1341 this->Write(std::string(tb));
1345 /* write text from an originating user to originating user */
1347 void userrec::WriteFrom(userrec *user, const char* text, ...)
1350 char textbuffer[MAXBUF];
1352 va_start(argsPtr, text);
1353 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1356 this->WriteFrom(user, std::string(textbuffer));
1360 /* write text to an destination user from a source user (e.g. user privmsg) */
1362 void userrec::WriteTo(userrec *dest, const char *data, ...)
1364 char textbuffer[MAXBUF];
1367 va_start(argsPtr, data);
1368 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1371 this->WriteTo(dest, std::string(textbuffer));
1374 void userrec::WriteTo(userrec *dest, const std::string &data)
1376 dest->WriteFrom(this, data);
1380 void userrec::WriteCommon(const char* text, ...)
1382 char textbuffer[MAXBUF];
1385 if (this->registered != REG_ALL)
1388 va_start(argsPtr, text);
1389 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1392 this->WriteCommon(std::string(textbuffer));
1395 void userrec::WriteCommon(const std::string &text)
1397 bool sent_to_at_least_one = false;
1399 if (this->registered != REG_ALL)
1404 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1409 CUList *ulist= n->channel->GetUsers();
1411 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1413 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1415 already_sent[i->second->fd] = uniq_id;
1416 i->second->WriteFrom(this, std::string(text));
1417 sent_to_at_least_one = true;
1424 * if the user was not in any channels, no users will receive the text. Make sure the user
1425 * receives their OWN message for WriteCommon
1427 if (!sent_to_at_least_one)
1429 this->WriteFrom(this,std::string(text));
1434 /* write a formatted string to all users who share at least one common
1435 * channel, NOT including the source user e.g. for use in QUIT
1438 void userrec::WriteCommonExcept(const char* text, ...)
1440 char textbuffer[MAXBUF];
1443 va_start(argsPtr, text);
1444 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1447 this->WriteCommonExcept(std::string(textbuffer));
1450 void userrec::WriteCommonExcept(const std::string &text)
1452 bool quit_munge = true;
1453 char oper_quit[MAXBUF];
1454 char textbuffer[MAXBUF];
1456 strlcpy(textbuffer, text.c_str(), MAXBUF);
1458 if (this->registered != REG_ALL)
1463 /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
1464 * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
1467 if (ServerInstance->Config->HideSplits)
1469 char* check = textbuffer + 6;
1471 if (!strncasecmp(textbuffer, "QUIT :",6))
1473 std::stringstream split(check);
1474 std::string server_one;
1475 std::string server_two;
1477 split >> server_one;
1478 split >> server_two;
1480 if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
1482 strlcpy(oper_quit,textbuffer,MAXQUIT);
1483 strlcpy(check,"*.net *.split",MAXQUIT);
1489 if ((ServerInstance->Config->HideBans) && (!quit_munge))
1491 if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
1492 || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
1494 char* check = textbuffer + 13;
1495 strlcpy(oper_quit,textbuffer,MAXQUIT);
1496 *check = 0; // We don't need to strlcpy, we just chop it from the :
1501 for (std::vector<ucrec*>::const_iterator v = this->chans.begin(); v != this->chans.end(); v++)
1506 CUList *ulist= n->channel->GetUsers();
1508 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1510 if (this != i->second)
1512 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1514 already_sent[i->second->fd] = uniq_id;
1516 i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer));
1518 i->second->WriteFrom(this, std::string(textbuffer));
1527 void userrec::WriteWallOps(const std::string &text)
1529 /* Does nothing if theyre not opered */
1530 if ((!*this->oper) && (IS_LOCAL(this)))
1533 std::string wallop = "WALLOPS :";
1534 wallop.append(text);
1536 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1539 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1540 this->WriteTo(t,wallop);
1544 void userrec::WriteWallOps(const char* text, ...)
1546 char textbuffer[MAXBUF];
1549 va_start(argsPtr, text);
1550 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1553 this->WriteWallOps(std::string(textbuffer));
1556 /* return 0 or 1 depending if users u and u2 share one or more common channels
1557 * (used by QUIT, NICK etc which arent channel specific notices)
1559 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1560 * the first users channels then the second users channels within the outer loop,
1561 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1562 * all possible iterations). However this new function instead checks against the
1563 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1564 * and saves us time as we already know what pointer value we are after.
1565 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1566 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1568 bool userrec::SharesChannelWith(userrec *other)
1570 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1574 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1576 /* Fetch the channel from the user */
1577 ucrec* user_channel = *i;
1579 if (user_channel->channel)
1581 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1582 * by replacing it with a map::find which *should* be more efficient
1584 if (user_channel->channel->HasUser(other))
1591 int userrec::CountChannels()
1594 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1600 bool userrec::ChangeName(const char* gecos)
1605 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1608 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1610 strlcpy(this->fullname,gecos,MAXGECOS+1);
1614 bool userrec::ChangeDisplayedHost(const char* host)
1619 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1622 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1624 strlcpy(this->dhost,host,63);
1627 this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
1632 void userrec::NoticeAll(char* text, ...)
1634 char textbuffer[MAXBUF];
1635 char formatbuffer[MAXBUF];
1638 va_start(argsPtr, text);
1639 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1642 snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
1644 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1647 t->WriteFrom(this, std::string(formatbuffer));
1652 std::string userrec::ChannelList(userrec* source)
1655 for (std::vector<ucrec*>::const_iterator i = this->chans.begin(); i != this->chans.end(); i++)
1659 if(rec->channel && rec->channel->name)
1661 /* If the target is the same as the sender, let them see all their channels.
1662 * If the channel is NOT private/secret OR the user shares a common channel
1663 * If the user is an oper, and the <options:operspywhois> option is set.
1665 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!rec->channel->modes[CM_PRIVATE]) && (!rec->channel->modes[CM_SECRET])) || (rec->channel->HasUser(source))))
1667 list.append(rec->channel->GetStatusChar(this)).append(rec->channel->name).append(" ");
1674 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1677 std::ostringstream prefix;
1678 std::string::size_type start, pos, length;
1680 prefix << ":" << ServerInstance->Config->ServerName << " 319 " << this->nick << " " << dest->nick << " :";
1681 line = prefix.str();
1683 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1685 length = (pos == std::string::npos) ? cl.length() : pos;
1687 if (line.length() + length - start > 510)
1690 line = prefix.str();
1693 if(pos == std::string::npos)
1695 line += cl.substr(start, length - start);
1700 line += cl.substr(start, length - start + 1);
1711 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1712 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1713 * then their ip will be taken as 'priority' anyway, so for example,
1714 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1716 ConnectClass& userrec::GetClass()
1718 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1720 if ((match(this->GetIPString(),i->host.c_str(),true)) || (match(this->host,i->host.c_str())))
1724 return *(ServerInstance->Config->Classes.begin());
1727 void userrec::PurgeEmptyChannels()
1729 std::vector<chanrec*> to_delete;
1731 // firstly decrement the count on each channel
1732 for (std::vector<ucrec*>::iterator f = this->chans.begin(); f != this->chans.end(); f++)
1737 if (uc->channel->DelUser(this) == 0)
1739 /* No users left in here, mark it for deletion */
1740 to_delete.push_back(uc->channel);
1746 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1748 chanrec* thischan = *n;
1749 chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name);
1750 if (i2 != ServerInstance->chanlist.end())
1752 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1754 ServerInstance->chanlist.erase(i2);
1761 void userrec::ShowMOTD()
1763 if (!ServerInstance->Config->MOTD.size())
1765 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1768 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1770 for (unsigned int i = 0; i < ServerInstance->Config->MOTD.size(); i++)
1771 this->WriteServ("372 %s :- %s",this->nick,ServerInstance->Config->MOTD[i].c_str());
1773 this->WriteServ("376 %s :End of message of the day.", this->nick);
1776 void userrec::ShowRULES()
1778 if (!ServerInstance->Config->RULES.size())
1780 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1783 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1785 for (unsigned int i = 0; i < ServerInstance->Config->RULES.size(); i++)
1786 this->WriteServ("NOTICE %s :%s",this->nick,ServerInstance->Config->RULES[i].c_str());
1788 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);