1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
14 #include "configreader.h"
19 #include "socketengine.h"
22 #include "commands/cmd_whowas.h"
24 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
26 /* XXX: Used for speeding up WriteCommon operations */
27 unsigned long uniq_id = 0;
29 bool InitTypes(ServerConfig* conf, const char* tag)
31 if (conf->opertypes.size())
33 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
40 conf->opertypes.clear();
44 bool InitClasses(ServerConfig* conf, const char* tag)
46 if (conf->operclass.size())
48 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
55 conf->operclass.clear();
59 bool DoType(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
61 const char* TypeName = values[0].GetString();
62 const char* Classes = values[1].GetString();
64 conf->opertypes[TypeName] = strdup(Classes);
68 bool DoClass(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
70 const char* ClassName = values[0].GetString();
71 const char* CommandList = values[1].GetString();
73 conf->operclass[ClassName] = strdup(CommandList);
77 bool DoneClassesAndTypes(ServerConfig* conf, const char* tag)
82 std::string userrec::ProcessNoticeMasks(const char *sm)
84 bool adding = true, oldadding = false;
99 for (unsigned char d = 'A'; d <= 'z'; d++)
101 if (ServerInstance->SNO->IsEnabled(d))
103 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
105 if ((oldadding != adding) || (!output.length()))
106 output += (adding ? '+' : '-');
108 this->SetNoticeMask(d, adding);
117 if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c)))
119 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
121 if ((oldadding != adding) || (!output.length()))
122 output += (adding ? '+' : '-');
124 this->SetNoticeMask(*c, adding);
139 void userrec::StartDNSLookup()
144 const char* ip = this->GetIPString();
146 /* Special case for 4in6 (Have i mentioned i HATE 4in6?) */
147 if (!strncmp(ip, "0::ffff:", 8))
148 res_reverse = new UserResolver(this->ServerInstance, this, ip + 8, DNS_QUERY_PTR4, cached);
150 res_reverse = new UserResolver(this->ServerInstance, this, ip, this->GetProtocolFamily() == AF_INET ? DNS_QUERY_PTR4 : DNS_QUERY_PTR6, cached);
152 this->ServerInstance->AddResolver(res_reverse, cached);
154 catch (CoreException& e)
156 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
160 UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, QueryType qt, bool &cache) :
161 Resolver(Instance, to_resolve, qt, cache), bound_user(user)
163 this->fwd = (qt == DNS_QUERY_A || qt == DNS_QUERY_AAAA);
164 this->bound_fd = user->GetFd();
167 void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached)
169 if ((!this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
171 this->bound_user->stored_host = result;
174 /* Check we didnt time out */
175 if (this->bound_user->registered != REG_ALL)
179 if (this->bound_user->GetProtocolFamily() == AF_INET6)
181 /* IPV6 forward lookup (with possibility of 4in6) */
182 const char* ip = this->bound_user->GetIPString();
183 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, (!strncmp(ip, "0::ffff:", 8) ? DNS_QUERY_A : DNS_QUERY_AAAA), cached);
187 /* IPV4 lookup (mixed protocol mode) */
188 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, DNS_QUERY_A, cached);
191 /* IPV4 lookup (ipv4 only mode) */
192 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, DNS_QUERY_A, cached);
194 this->ServerInstance->AddResolver(bound_user->res_forward, cached);
197 catch (CoreException& e)
199 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
202 else if ((this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
204 /* Both lookups completed */
205 std::string result2 = "0::ffff:";
206 result2.append(result);
207 if (this->bound_user->GetIPString() == result || this->bound_user->GetIPString() == result2)
209 std::string hostname = this->bound_user->stored_host;
210 if (hostname.length() < 65)
212 /* Check we didnt time out */
213 if ((this->bound_user->registered != REG_ALL) && (!this->bound_user->dns_done))
215 /* Hostnames starting with : are not a good thing (tm) */
216 if (*(hostname.c_str()) == ':')
217 hostname = "0" + hostname;
219 this->bound_user->WriteServ("NOTICE Auth :*** Found your hostname (%s)%s", hostname.c_str(), (cached ? " -- cached" : ""));
220 this->bound_user->dns_done = true;
221 strlcpy(this->bound_user->dhost, hostname.c_str(),64);
222 strlcpy(this->bound_user->host, hostname.c_str(),64);
223 /* Invalidate cache */
224 this->bound_user->InvalidateCache();
229 if (!this->bound_user->dns_done)
231 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());
232 this->bound_user->dns_done = true;
238 if (!this->bound_user->dns_done)
240 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());
241 this->bound_user->dns_done = true;
247 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
249 if (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)
251 /* Since dns timeout is implemented outside of the resolver, this was a race condition that could result in this message being sent *after*
252 * the user was fully connected. This check fixes that issue - Special */
253 if (!this->bound_user->dns_done)
255 /* Error message here */
256 this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname: %s; using your IP address (%s) instead.", errormessage.c_str(), this->bound_user->GetIPString());
257 this->bound_user->dns_done = true;
263 bool userrec::IsNoticeMaskSet(unsigned char sm)
265 return (snomasks[sm-65]);
268 void userrec::SetNoticeMask(unsigned char sm, bool value)
270 snomasks[sm-65] = value;
273 const char* userrec::FormatNoticeMasks()
275 static char data[MAXBUF];
278 for (int n = 0; n < 64; n++)
281 data[offset++] = n+65;
290 bool userrec::IsModeSet(unsigned char m)
292 return (modes[m-65]);
295 void userrec::SetMode(unsigned char m, bool value)
300 const char* userrec::FormatModes()
302 static char data[MAXBUF];
304 for (int n = 0; n < 64; n++)
307 data[offset++] = n+65;
313 void userrec::DecrementModes()
315 for (int n = 0; n < 64; n++)
319 ModeHandler* mh = ServerInstance->Modes->FindMode(n+65, MODETYPE_USER);
326 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
328 // the PROPER way to do it, AVOID bzero at *ALL* costs
329 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
330 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
331 reset_due = ServerInstance->Time();
332 age = ServerInstance->Time(true);
333 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
334 ChannelCount = timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
335 muted = exempt = haspassed = dns_done = false;
340 res_forward = res_reverse = NULL;
345 memset(modes,0,sizeof(modes));
346 memset(snomasks,0,sizeof(snomasks));
347 /* Invalidate cache */
348 operquit = cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
353 this->InvalidateCache();
354 this->DecrementModes();
359 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
360 if (x != ServerInstance->local_clones.end())
365 ServerInstance->local_clones.erase(x);
369 clonemap::iterator y = ServerInstance->global_clones.find(this->GetIPString());
370 if (y != ServerInstance->global_clones.end())
375 ServerInstance->global_clones.erase(y);
379 if (this->GetProtocolFamily() == AF_INET)
381 delete (sockaddr_in*)ip;
383 #ifdef SUPPORT_IP6LINKS
386 delete (sockaddr_in6*)ip;
392 char* userrec::MakeHost()
394 if (this->cached_makehost)
395 return this->cached_makehost;
398 /* This is much faster than snprintf */
400 for(char* n = ident; *n; n++)
403 for(char* n = host; *n; n++)
407 this->cached_makehost = strdup(nhost);
409 return this->cached_makehost;
412 char* userrec::MakeHostIP()
414 if (this->cached_hostip)
415 return this->cached_hostip;
418 /* This is much faster than snprintf */
420 for(char* n = ident; *n; n++)
423 for(const char* n = this->GetIPString(); *n; n++)
427 this->cached_hostip = strdup(ihost);
429 return this->cached_hostip;
432 void userrec::CloseSocket()
434 shutdown(this->fd,2);
438 char* userrec::GetFullHost()
440 if (this->cached_fullhost)
441 return this->cached_fullhost;
445 for(char* n = nick; *n; n++)
448 for(char* n = ident; *n; n++)
451 for(char* n = dhost; *n; n++)
455 this->cached_fullhost = strdup(result);
457 return this->cached_fullhost;
460 char* userrec::MakeWildHost()
462 static char nresult[MAXBUF];
464 *t++ = '*'; *t++ = '!';
465 *t++ = '*'; *t++ = '@';
466 for(char* n = dhost; *n; n++)
472 int userrec::ReadData(void* buffer, size_t size)
476 return read(this->fd, buffer, size);
483 char* userrec::GetFullRealHost()
485 if (this->cached_fullrealhost)
486 return this->cached_fullrealhost;
488 char fresult[MAXBUF];
490 for(char* n = nick; *n; n++)
493 for(char* n = ident; *n; n++)
496 for(char* n = host; *n; n++)
500 this->cached_fullrealhost = strdup(fresult);
502 return this->cached_fullrealhost;
505 bool userrec::IsInvited(const irc::string &channel)
507 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
517 InvitedList* userrec::GetInviteList()
522 void userrec::InviteTo(const irc::string &channel)
524 invites.push_back(channel);
527 void userrec::RemoveInvite(const irc::string &channel)
529 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
539 bool userrec::HasPermission(const std::string &command)
546 * users on remote servers can completely bypass all permissions based checks.
547 * This prevents desyncs when one server has different type/class tags to another.
548 * That having been said, this does open things up to the possibility of source changes
549 * allowing remote kills, etc - but if they have access to the src, they most likely have
550 * access to the conf - so it's an end to a means either way.
555 // are they even an oper at all?
558 opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
559 if (iter_opertype != ServerInstance->Config->opertypes.end())
561 char* Classes = strdup(iter_opertype->second);
562 char* myclass = strtok_r(Classes," ",&savept);
565 operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
566 if (iter_operclass != ServerInstance->Config->operclass.end())
568 char* CommandList = strdup(iter_operclass->second);
569 mycmd = strtok_r(CommandList," ",&savept2);
572 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
578 mycmd = strtok_r(NULL," ",&savept2);
582 myclass = strtok_r(NULL," ",&savept);
590 /** NOTE: We cannot pass a const reference to this method.
591 * The string is changed by the workings of the method,
592 * so that if we pass const ref, we end up copying it to
593 * something we can change anyway. Makes sense to just let
594 * the compiler do that copy for us.
596 bool userrec::AddBuffer(std::string a)
600 std::string::size_type i = a.rfind('\r');
602 while (i != std::string::npos)
611 if (recvq.length() > (unsigned)this->recvqmax)
613 this->SetWriteError("RecvQ exceeded");
614 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
623 ServerInstance->Log(DEBUG,"Exception in userrec::AddBuffer()");
628 bool userrec::BufferIsReady()
630 return (recvq.find('\n') != std::string::npos);
633 void userrec::ClearBuffer()
638 std::string userrec::GetBuffer()
645 /* Strip any leading \r or \n off the string.
646 * Usually there are only one or two of these,
647 * so its is computationally cheap to do.
649 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
650 recvq.erase(recvq.begin());
652 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
654 /* Find the first complete line, return it as the
655 * result, and leave the recvq as whats left
659 std::string ret = std::string(recvq.begin(), x);
660 recvq.erase(recvq.begin(), x + 1);
669 ServerInstance->Log(DEBUG,"Exception in userrec::GetBuffer()");
674 void userrec::AddWriteBuf(const std::string &data)
676 if (*this->GetWriteError())
679 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
682 * Fix by brain - Set the error text BEFORE calling writeopers, because
683 * if we dont it'll recursively call here over and over again trying
684 * to repeatedly add the text to the sendq!
686 this->SetWriteError("SendQ exceeded");
687 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
693 if (data.length() > MAXBUF - 2) /* MAXBUF has a value of 514, to account for line terminators */
694 sendq.append(data.substr(0,MAXBUF - 4)).append("\r\n"); /* MAXBUF-4 = 510 */
700 this->SetWriteError("SendQ exceeded");
701 ServerInstance->WriteOpers("*** User %s SendQ got an exception",this->nick);
705 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
706 void userrec::FlushWriteBuf()
710 if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError()))
714 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
716 int old_sendq_length = sendq.length();
717 int n_sent = write(this->fd, this->sendq.data(), this->sendq.length());
722 /* The socket buffer is full. This isnt fatal,
725 this->ServerInstance->SE->WantWrite(this);
729 /* Fatal error, set write error and bail
731 this->SetWriteError(strerror(errno));
737 /* advance the queue */
739 this->sendq = this->sendq.substr(n_sent);
740 /* update the user's stats counters */
741 this->bytes_out += n_sent;
743 if (n_sent != old_sendq_length)
744 this->ServerInstance->SE->WantWrite(this);
751 ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
754 if (this->sendq.empty())
756 FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
760 void userrec::SetWriteError(const std::string &error)
764 // don't try to set the error twice, its already set take the first string.
765 if (this->WriteError.empty())
766 this->WriteError = error;
771 ServerInstance->Log(DEBUG,"Exception in userrec::SetWriteError()");
775 const char* userrec::GetWriteError()
777 return this->WriteError.c_str();
780 void userrec::Oper(const std::string &opertype)
784 this->modes[UM_OPERATOR] = 1;
785 this->WriteServ("MODE %s :+o", this->nick);
786 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
787 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
788 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
789 ServerInstance->all_opers.push_back(this);
790 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
795 ServerInstance->Log(DEBUG,"Exception in userrec::Oper()");
799 void userrec::UnOper()
805 // unset their oper type (what IS_OPER checks), and remove +o
807 this->modes[UM_OPERATOR] = 0;
809 // remove them from the opers list.
810 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
814 ServerInstance->all_opers.erase(a);
823 ServerInstance->Log(DEBUG,"Exception in userrec::UnOper()");
827 void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason, const char* operreason)
830 Instance->GlobalCulls.AddItem(user, quitreason.c_str(), operreason);
833 /* adds or updates an entry in the whowas list */
834 void userrec::AddToWhoWas()
836 command_t* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
839 std::deque<classbase*> params;
840 params.push_back(this);
841 whowas_command->HandleInternal(WHOWAS_ADD, params);
845 /* add a client connection to the sockets list */
846 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip)
848 std::string tempnick = ConvToStr(socket) + "-unknown";
849 user_hash::iterator iter = Instance->clientlist->find(tempnick);
852 if (socketfamily == AF_INET6)
853 inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
855 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
857 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
862 Instance->unregistered_count++;
866 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
867 * using one as a registered connection. As they are per fd, we can also safely assume
868 * that we wont have collisions. Therefore, if the nick exists in the list, its only
869 * used by a dead socket, erase the iterator so that the new client may reclaim it.
870 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
871 * issue in earlier alphas/betas
873 if (iter != Instance->clientlist->end())
875 userrec* goner = iter->second;
877 Instance->clientlist->erase(iter);
880 New = new userrec(Instance);
881 (*(Instance->clientlist))[tempnick] = New;
883 strlcpy(New->nick,tempnick.c_str(),NICKMAX-1);
885 New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
886 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
887 strcpy(New->ident, "unknown");
889 New->registered = REG_NONE;
890 New->signon = Instance->Time() + Instance->Config->dns_timeout;
893 New->SetSockAddr(socketfamily, ipaddr, port);
895 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
896 for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
897 New->dhost[j] = New->host[j] = *temp;
898 New->dhost[j] = New->host[j] = 0;
900 Instance->AddLocalClone(New);
901 Instance->AddGlobalClone(New);
903 ConnectClass* i = New->GetClass();
905 if ((!i) || (i->GetType() == CC_DENY))
907 userrec::QuitUser(Instance, New,"Unauthorised connection");
911 /* fix: do maxperlocal/global IP here, not on full connect to stop fd exhaustion attempts */
912 if ((i->GetMaxLocal()) && (New->LocalCloneCount() > i->GetMaxLocal()))
914 userrec::QuitUser(Instance, New, "No more connections allowed from your host via this connect class (local)");
915 Instance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", i->GetMaxLocal(), New->GetIPString());
918 else if ((i->GetMaxGlobal()) && (New->GlobalCloneCount() > i->GetMaxGlobal()))
920 userrec::QuitUser(Instance, New, "No more connections allowed from your host via this connect class (global)");
921 Instance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",i->GetMaxGlobal(), New->GetIPString());
925 New->pingmax = i->GetPingTime();
926 New->nping = Instance->Time() + i->GetPingTime() + Instance->Config->dns_timeout;
927 New->timeout = Instance->Time() + i->GetRegTimeout();
928 New->flood = i->GetFlood();
929 New->threshold = i->GetThreshold();
930 New->sendqmax = i->GetSendqMax();
931 New->recvqmax = i->GetRecvqMax();
933 Instance->local_users.push_back(New);
935 if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
937 Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
938 userrec::QuitUser(Instance, New,"No more connections allowed");
944 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
945 * its a pretty big but for the moment valid assumption:
946 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
947 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
948 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
949 * which for the time being is a physical impossibility (even the largest networks dont have more
950 * than about 10,000 users on ONE server!)
952 if ((unsigned int)socket >= MAX_DESCRIPTORS)
954 userrec::QuitUser(Instance, New, "Server is full");
958 New->exempt = (Instance->XLines->matches_exception(New) != NULL);
961 ZLine* r = Instance->XLines->matches_zline(ipaddr);
965 snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
966 userrec::QuitUser(Instance, New, reason);
973 if (!Instance->SE->AddFd(New))
975 userrec::QuitUser(Instance, New, "Internal error handling connection");
980 /* NOTE: even if dns lookups are *off*, we still need to display this.
981 * BOPM and other stuff requires it.
983 New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
986 unsigned long userrec::GlobalCloneCount()
988 clonemap::iterator x = ServerInstance->global_clones.find(this->GetIPString());
989 if (x != ServerInstance->global_clones.end())
995 unsigned long userrec::LocalCloneCount()
997 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
998 if (x != ServerInstance->local_clones.end())
1004 void userrec::FullConnect()
1006 ServerInstance->stats->statsConnects++;
1007 this->idle_lastmsg = ServerInstance->Time();
1009 ConnectClass* a = this->GetClass();
1011 if ((!a) || (a->GetType() == CC_DENY))
1014 ServerInstance->GlobalCulls.AddItem(this,"Unauthorised connection");
1018 if ((!a->GetPass().empty()) && (!this->haspassed))
1021 ServerInstance->GlobalCulls.AddItem(this,"Invalid password");
1027 GLine* r = ServerInstance->XLines->matches_gline(this);
1032 char reason[MAXBUF];
1033 snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
1034 ServerInstance->GlobalCulls.AddItem(this, reason);
1038 KLine* n = ServerInstance->XLines->matches_kline(this);
1043 char reason[MAXBUF];
1044 snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
1045 ServerInstance->GlobalCulls.AddItem(this, reason);
1051 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1052 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1053 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1054 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1055 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());
1057 ServerInstance->Config->Send005(this);
1061 /* Now registered */
1062 if (ServerInstance->unregistered_count)
1063 ServerInstance->unregistered_count--;
1065 /* Trigger LUSERS output, give modules a chance too */
1067 FOREACH_RESULT(I_OnPreCommand, OnPreCommand("LUSERS", NULL, 0, this, true, "LUSERS"));
1069 ServerInstance->CallCommandHandler("LUSERS", NULL, 0, this);
1072 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1073 * changes dont go out onto the network and produce 'fake direction'.
1075 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1077 this->registered = REG_ALL;
1079 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1081 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString(), this->fullname);
1084 /** userrec::UpdateNick()
1085 * re-allocates a nick in the user_hash after they change nicknames,
1086 * returns a pointer to the new user as it may have moved
1088 userrec* userrec::UpdateNickHash(const char* New)
1092 //user_hash::iterator newnick;
1093 user_hash::iterator oldnick = ServerInstance->clientlist->find(this->nick);
1095 if (!strcasecmp(this->nick,New))
1096 return oldnick->second;
1098 if (oldnick == ServerInstance->clientlist->end())
1099 return NULL; /* doesnt exist */
1101 userrec* olduser = oldnick->second;
1102 (*(ServerInstance->clientlist))[New] = olduser;
1103 ServerInstance->clientlist->erase(oldnick);
1109 ServerInstance->Log(DEBUG,"Exception in userrec::UpdateNickHash()");
1114 void userrec::InvalidateCache()
1116 /* Invalidate cache */
1117 if (cached_fullhost)
1118 free(cached_fullhost);
1120 free(cached_hostip);
1121 if (cached_makehost)
1122 free(cached_makehost);
1123 if (cached_fullrealhost)
1124 free(cached_fullrealhost);
1125 cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
1128 bool userrec::ForceNickChange(const char* newnick)
1134 this->InvalidateCache();
1136 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1140 ServerInstance->stats->statsCollisions++;
1144 if (ServerInstance->XLines->matches_qline(newnick))
1146 ServerInstance->stats->statsCollisions++;
1150 if (this->registered == REG_ALL)
1152 const char* pars[1];
1154 std::string cmd = "NICK";
1155 return (ServerInstance->Parser->CallHandler(cmd, pars, 1, this) == CMD_SUCCESS);
1162 ServerInstance->Log(DEBUG,"Exception in userrec::ForceNickChange()");
1167 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1169 switch (protocol_family)
1171 #ifdef SUPPORT_IP6LINKS
1174 sockaddr_in6* sin = new sockaddr_in6;
1175 sin->sin6_family = AF_INET6;
1176 sin->sin6_port = port;
1177 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1178 this->ip = (sockaddr*)sin;
1184 sockaddr_in* sin = new sockaddr_in;
1185 sin->sin_family = AF_INET;
1186 sin->sin_port = port;
1187 inet_pton(AF_INET, ip, &sin->sin_addr);
1188 this->ip = (sockaddr*)sin;
1192 ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1197 int userrec::GetPort()
1199 if (this->ip == NULL)
1202 switch (this->GetProtocolFamily())
1204 #ifdef SUPPORT_IP6LINKS
1207 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1208 return sin->sin6_port;
1214 sockaddr_in* sin = (sockaddr_in*)this->ip;
1215 return sin->sin_port;
1224 int userrec::GetProtocolFamily()
1226 if (this->ip == NULL)
1229 sockaddr_in* sin = (sockaddr_in*)this->ip;
1230 return sin->sin_family;
1233 const char* userrec::GetIPString()
1235 static char buf[1024];
1237 if (this->ip == NULL)
1240 switch (this->GetProtocolFamily())
1242 #ifdef SUPPORT_IP6LINKS
1245 static char temp[1024];
1247 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1248 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1249 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1252 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1262 sockaddr_in* sin = (sockaddr_in*)this->ip;
1263 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1273 const char* userrec::GetIPString(char* buf)
1275 if (this->ip == NULL)
1281 switch (this->GetProtocolFamily())
1283 #ifdef SUPPORT_IP6LINKS
1286 static char temp[1024];
1288 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1289 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1290 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1293 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1295 strlcpy(buf, temp, sizeof(temp));
1303 sockaddr_in* sin = (sockaddr_in*)this->ip;
1304 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1315 /** NOTE: We cannot pass a const reference to this method.
1316 * The string is changed by the workings of the method,
1317 * so that if we pass const ref, we end up copying it to
1318 * something we can change anyway. Makes sense to just let
1319 * the compiler do that copy for us.
1321 void userrec::Write(std::string text)
1323 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1328 /* ServerInstance->Log(DEBUG,"<- %s", text.c_str());
1329 * WARNING: The above debug line is VERY loud, do NOT
1330 * enable it till we have a good way of filtering it
1331 * out of the logs (e.g. 1.2 would be good).
1333 text.append("\r\n");
1337 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1341 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1345 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1347 catch (CoreException& modexcept)
1349 ServerInstance->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
1354 this->AddWriteBuf(text);
1356 ServerInstance->stats->statsSent += text.length();
1357 this->ServerInstance->SE->WantWrite(this);
1362 void userrec::Write(const char *text, ...)
1365 char textbuffer[MAXBUF];
1367 va_start(argsPtr, text);
1368 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1371 this->Write(std::string(textbuffer));
1374 void userrec::WriteServ(const std::string& text)
1376 char textbuffer[MAXBUF];
1378 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1379 this->Write(std::string(textbuffer));
1383 * Same as Write(), except `text' is prefixed with `:server.name '.
1385 void userrec::WriteServ(const char* text, ...)
1388 char textbuffer[MAXBUF];
1390 va_start(argsPtr, text);
1391 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1394 this->WriteServ(std::string(textbuffer));
1398 void userrec::WriteFrom(userrec *user, const std::string &text)
1402 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1404 this->Write(std::string(tb));
1408 /* write text from an originating user to originating user */
1410 void userrec::WriteFrom(userrec *user, const char* text, ...)
1413 char textbuffer[MAXBUF];
1415 va_start(argsPtr, text);
1416 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1419 this->WriteFrom(user, std::string(textbuffer));
1423 /* write text to an destination user from a source user (e.g. user privmsg) */
1425 void userrec::WriteTo(userrec *dest, const char *data, ...)
1427 char textbuffer[MAXBUF];
1430 va_start(argsPtr, data);
1431 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1434 this->WriteTo(dest, std::string(textbuffer));
1437 void userrec::WriteTo(userrec *dest, const std::string &data)
1439 dest->WriteFrom(this, data);
1443 void userrec::WriteCommon(const char* text, ...)
1445 char textbuffer[MAXBUF];
1448 if (this->registered != REG_ALL)
1451 va_start(argsPtr, text);
1452 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1455 this->WriteCommon(std::string(textbuffer));
1458 void userrec::WriteCommon(const std::string &text)
1462 bool sent_to_at_least_one = false;
1465 if (this->registered != REG_ALL)
1470 /* We dont want to be doing this n times, just once */
1471 snprintf(tb,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1472 std::string out = tb;
1474 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1476 CUList* ulist = v->first->GetUsers();
1477 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1479 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1481 already_sent[i->first->fd] = uniq_id;
1482 i->first->Write(out);
1483 sent_to_at_least_one = true;
1489 * if the user was not in any channels, no users will receive the text. Make sure the user
1490 * receives their OWN message for WriteCommon
1492 if (!sent_to_at_least_one)
1494 this->Write(std::string(tb));
1500 ServerInstance->Log(DEBUG,"Exception in userrec::WriteCommon()");
1505 /* write a formatted string to all users who share at least one common
1506 * channel, NOT including the source user e.g. for use in QUIT
1509 void userrec::WriteCommonExcept(const char* text, ...)
1511 char textbuffer[MAXBUF];
1514 va_start(argsPtr, text);
1515 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1518 this->WriteCommonExcept(std::string(textbuffer));
1521 void userrec::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1526 if (this->registered != REG_ALL)
1530 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str());
1531 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str());
1532 std::string out1 = tb1;
1533 std::string out2 = tb2;
1535 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1537 CUList *ulist = v->first->GetUsers();
1538 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1540 if (this != i->first)
1542 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1544 already_sent[i->first->fd] = uniq_id;
1545 i->first->Write(IS_OPER(i->first) ? out2 : out1);
1552 void userrec::WriteCommonExcept(const std::string &text)
1557 if (this->registered != REG_ALL)
1561 snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1564 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1566 CUList *ulist = v->first->GetUsers();
1567 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1569 if (this != i->first)
1571 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1573 already_sent[i->first->fd] = uniq_id;
1574 i->first->Write(out1);
1582 void userrec::WriteWallOps(const std::string &text)
1584 if (!IS_OPER(this) && IS_LOCAL(this))
1587 std::string wallop = "WALLOPS :" + text;
1589 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1592 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1593 this->WriteTo(t,wallop);
1597 void userrec::WriteWallOps(const char* text, ...)
1599 char textbuffer[MAXBUF];
1602 va_start(argsPtr, text);
1603 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1606 this->WriteWallOps(std::string(textbuffer));
1609 /* return 0 or 1 depending if users u and u2 share one or more common channels
1610 * (used by QUIT, NICK etc which arent channel specific notices)
1612 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1613 * the first users channels then the second users channels within the outer loop,
1614 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1615 * all possible iterations). However this new function instead checks against the
1616 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1617 * and saves us time as we already know what pointer value we are after.
1618 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1619 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1621 bool userrec::SharesChannelWith(userrec *other)
1623 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1627 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1629 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1630 * by replacing it with a map::find which *should* be more efficient
1632 if (i->first->HasUser(other))
1638 bool userrec::ChangeName(const char* gecos)
1640 if (!strcmp(gecos, this->fullname))
1646 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1649 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1651 strlcpy(this->fullname,gecos,MAXGECOS+1);
1656 bool userrec::ChangeDisplayedHost(const char* host)
1658 if (!strcmp(host, this->dhost))
1664 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1667 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1669 if (this->ServerInstance->Config->CycleHosts)
1670 this->WriteCommonExcept("QUIT :Changing hosts");
1672 /* Fix by Om: userrec::dhost is 65 long, this was truncating some long hosts */
1673 strlcpy(this->dhost,host,64);
1675 this->InvalidateCache();
1677 if (this->ServerInstance->Config->CycleHosts)
1679 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1681 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1682 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1684 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1689 this->WriteServ("396 %s %s :is now your displayed host",this->nick,this->dhost);
1694 bool userrec::ChangeIdent(const char* newident)
1696 if (!strcmp(newident, this->ident))
1699 if (this->ServerInstance->Config->CycleHosts)
1700 this->WriteCommonExcept("%s","QUIT :Changing ident");
1702 strlcpy(this->ident, newident, IDENTMAX+2);
1704 this->InvalidateCache();
1706 if (this->ServerInstance->Config->CycleHosts)
1708 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1710 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1711 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1713 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1720 void userrec::SendAll(const char* command, char* text, ...)
1722 char textbuffer[MAXBUF];
1723 char formatbuffer[MAXBUF];
1726 va_start(argsPtr, text);
1727 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1730 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer);
1731 std::string fmt = formatbuffer;
1733 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1740 std::string userrec::ChannelList(userrec* source)
1745 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1747 /* If the target is the same as the sender, let them see all their channels.
1748 * If the channel is NOT private/secret OR the user shares a common channel
1749 * If the user is an oper, and the <options:operspywhois> option is set.
1751 if ((source == this) || (IS_OPER(source) && ServerInstance->Config->OperSpyWhois) || (((!i->first->modes[CM_PRIVATE]) && (!i->first->modes[CM_SECRET])) || (i->first->HasUser(source))))
1753 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1760 ServerInstance->Log(DEBUG,"Exception in userrec::ChannelList()");
1765 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1768 std::ostringstream prefix;
1769 std::string::size_type start, pos, length;
1773 prefix << this->nick << " " << dest->nick << " :";
1774 line = prefix.str();
1775 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1777 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1779 length = (pos == std::string::npos) ? cl.length() : pos;
1781 if (line.length() + namelen + length - start > 510)
1783 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1784 line = prefix.str();
1787 if(pos == std::string::npos)
1789 line.append(cl.substr(start, length - start));
1794 line.append(cl.substr(start, length - start + 1));
1800 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1806 ServerInstance->Log(DEBUG,"Exception in userrec::SplitChanList()");
1811 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1812 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1813 * then their ip will be taken as 'priority' anyway, so for example,
1814 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1816 ConnectClass* userrec::GetClass()
1818 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1820 if (((match(this->GetIPString(),i->GetHost().c_str(),true)) || (match(this->host,i->GetHost().c_str()))))
1824 if (this->GetPort() == i->GetPort())
1836 void userrec::PurgeEmptyChannels()
1838 std::vector<chanrec*> to_delete;
1840 // firstly decrement the count on each channel
1841 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1843 f->first->RemoveAllPrefixes(this);
1844 if (f->first->DelUser(this) == 0)
1846 /* No users left in here, mark it for deletion */
1849 to_delete.push_back(f->first);
1853 ServerInstance->Log(DEBUG,"Exception in userrec::PurgeEmptyChannels to_delete.push_back()");
1858 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1860 chanrec* thischan = *n;
1861 chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name);
1862 if (i2 != ServerInstance->chanlist->end())
1864 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1866 ServerInstance->chanlist->erase(i2);
1867 this->chans.erase(*n);
1874 void userrec::ShowMOTD()
1876 if (!ServerInstance->Config->MOTD.size())
1878 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1881 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1883 for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
1884 this->WriteServ("372 %s :- %s",this->nick,i->c_str());
1886 this->WriteServ("376 %s :End of message of the day.", this->nick);
1889 void userrec::ShowRULES()
1891 if (!ServerInstance->Config->RULES.size())
1893 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1896 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1898 for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
1899 this->WriteServ("NOTICE %s :%s",this->nick,i->c_str());
1901 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
1904 void userrec::HandleEvent(EventType et, int errornum)
1906 /* WARNING: May delete this user! */
1907 int thisfd = this->GetFd();
1914 ServerInstance->ProcessUser(this);
1917 this->FlushWriteBuf();
1920 /** This should be safe, but dont DARE do anything after it -- Brain */
1921 this->SetWriteError(errornum ? strerror(errornum) : "EOF from client");
1927 ServerInstance->Log(DEBUG,"Exception in userrec::HandleEvent intercepted");
1930 /* If the user has raised an error whilst being processed, quit them now we're safe to */
1931 if ((ServerInstance->SE->GetRef(thisfd) == this))
1933 if (!WriteError.empty())
1935 userrec::QuitUser(ServerInstance, this, GetWriteError());
1940 void userrec::SetOperQuit(const std::string &oquit)
1945 operquit = strdup(oquit.c_str());
1948 const char* userrec::GetOperQuit()
1950 return operquit ? operquit : "";
1961 bool VisData::VisibleTo(userrec* user)