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)
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 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());
234 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());
239 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
241 if (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)
243 /* Since dns timeout is implemented outside of the resolver, this was a race condition that could result in this message being sent *after*
244 * the user was fully connected. This check fixes that issue - Special */
245 if (!this->bound_user->dns_done)
247 /* Error message here */
248 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());
249 this->bound_user->dns_done = true;
255 bool userrec::IsNoticeMaskSet(unsigned char sm)
257 return (snomasks[sm-65]);
260 void userrec::SetNoticeMask(unsigned char sm, bool value)
262 snomasks[sm-65] = value;
265 const char* userrec::FormatNoticeMasks()
267 static char data[MAXBUF];
270 for (int n = 0; n < 64; n++)
273 data[offset++] = n+65;
282 bool userrec::IsModeSet(unsigned char m)
284 return (modes[m-65]);
287 void userrec::SetMode(unsigned char m, bool value)
292 const char* userrec::FormatModes()
294 static char data[MAXBUF];
296 for (int n = 0; n < 64; n++)
299 data[offset++] = n+65;
305 void userrec::DecrementModes()
307 for (int n = 0; n < 64; n++)
311 ModeHandler* mh = ServerInstance->Modes->FindMode(n+65, MODETYPE_USER);
318 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
320 // the PROPER way to do it, AVOID bzero at *ALL* costs
321 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
322 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
323 reset_due = ServerInstance->Time();
324 age = ServerInstance->Time(true);
325 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
326 ChannelCount = timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
327 muted = exempt = haspassed = dns_done = false;
332 res_forward = res_reverse = NULL;
336 memset(modes,0,sizeof(modes));
337 memset(snomasks,0,sizeof(snomasks));
338 /* Invalidate cache */
339 operquit = cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
344 this->InvalidateCache();
345 this->DecrementModes();
350 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
351 if (x != ServerInstance->local_clones.end())
356 ServerInstance->local_clones.erase(x);
360 clonemap::iterator y = ServerInstance->global_clones.find(this->GetIPString());
361 if (y != ServerInstance->global_clones.end())
366 ServerInstance->global_clones.erase(y);
370 if (this->GetProtocolFamily() == AF_INET)
372 delete (sockaddr_in*)ip;
374 #ifdef SUPPORT_IP6LINKS
377 delete (sockaddr_in6*)ip;
383 char* userrec::MakeHost()
385 if (this->cached_makehost)
386 return this->cached_makehost;
389 /* This is much faster than snprintf */
391 for(char* n = ident; *n; n++)
394 for(char* n = host; *n; n++)
398 this->cached_makehost = strdup(nhost);
400 return this->cached_makehost;
403 char* userrec::MakeHostIP()
405 if (this->cached_hostip)
406 return this->cached_hostip;
409 /* This is much faster than snprintf */
411 for(char* n = ident; *n; n++)
414 for(const char* n = this->GetIPString(); *n; n++)
418 this->cached_hostip = strdup(ihost);
420 return this->cached_hostip;
423 void userrec::CloseSocket()
425 shutdown(this->fd,2);
429 char* userrec::GetFullHost()
431 if (this->cached_fullhost)
432 return this->cached_fullhost;
436 for(char* n = nick; *n; n++)
439 for(char* n = ident; *n; n++)
442 for(char* n = dhost; *n; n++)
446 this->cached_fullhost = strdup(result);
448 return this->cached_fullhost;
451 char* userrec::MakeWildHost()
453 static char nresult[MAXBUF];
455 *t++ = '*'; *t++ = '!';
456 *t++ = '*'; *t++ = '@';
457 for(char* n = dhost; *n; n++)
463 int userrec::ReadData(void* buffer, size_t size)
467 return read(this->fd, buffer, size);
474 char* userrec::GetFullRealHost()
476 if (this->cached_fullrealhost)
477 return this->cached_fullrealhost;
479 char fresult[MAXBUF];
481 for(char* n = nick; *n; n++)
484 for(char* n = ident; *n; n++)
487 for(char* n = host; *n; n++)
491 this->cached_fullrealhost = strdup(fresult);
493 return this->cached_fullrealhost;
496 bool userrec::IsInvited(const irc::string &channel)
498 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
508 InvitedList* userrec::GetInviteList()
513 void userrec::InviteTo(const irc::string &channel)
515 invites.push_back(channel);
518 void userrec::RemoveInvite(const irc::string &channel)
520 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
530 bool userrec::HasPermission(const std::string &command)
537 * users on remote servers can completely bypass all permissions based checks.
538 * This prevents desyncs when one server has different type/class tags to another.
539 * That having been said, this does open things up to the possibility of source changes
540 * allowing remote kills, etc - but if they have access to the src, they most likely have
541 * access to the conf - so it's an end to a means either way.
546 // are they even an oper at all?
549 opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
550 if (iter_opertype != ServerInstance->Config->opertypes.end())
552 char* Classes = strdup(iter_opertype->second);
553 char* myclass = strtok_r(Classes," ",&savept);
556 operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
557 if (iter_operclass != ServerInstance->Config->operclass.end())
559 char* CommandList = strdup(iter_operclass->second);
560 mycmd = strtok_r(CommandList," ",&savept2);
563 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
569 mycmd = strtok_r(NULL," ",&savept2);
573 myclass = strtok_r(NULL," ",&savept);
581 /** NOTE: We cannot pass a const reference to this method.
582 * The string is changed by the workings of the method,
583 * so that if we pass const ref, we end up copying it to
584 * something we can change anyway. Makes sense to just let
585 * the compiler do that copy for us.
587 bool userrec::AddBuffer(std::string a)
591 std::string::size_type i = a.rfind('\r');
593 while (i != std::string::npos)
602 if (recvq.length() > (unsigned)this->recvqmax)
604 this->SetWriteError("RecvQ exceeded");
605 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
614 ServerInstance->Log(DEBUG,"Exception in userrec::AddBuffer()");
619 bool userrec::BufferIsReady()
621 return (recvq.find('\n') != std::string::npos);
624 void userrec::ClearBuffer()
629 std::string userrec::GetBuffer()
636 /* Strip any leading \r or \n off the string.
637 * Usually there are only one or two of these,
638 * so its is computationally cheap to do.
640 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
641 recvq.erase(recvq.begin());
643 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
645 /* Find the first complete line, return it as the
646 * result, and leave the recvq as whats left
650 std::string ret = std::string(recvq.begin(), x);
651 recvq.erase(recvq.begin(), x + 1);
660 ServerInstance->Log(DEBUG,"Exception in userrec::GetBuffer()");
665 void userrec::AddWriteBuf(const std::string &data)
667 if (*this->GetWriteError())
670 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
673 * Fix by brain - Set the error text BEFORE calling writeopers, because
674 * if we dont it'll recursively call here over and over again trying
675 * to repeatedly add the text to the sendq!
677 this->SetWriteError("SendQ exceeded");
678 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
684 if (data.length() > 512)
685 sendq.append(data.substr(0,510)).append("\r\n");
691 this->SetWriteError("SendQ exceeded");
692 ServerInstance->WriteOpers("*** User %s SendQ got an exception",this->nick);
696 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
697 void userrec::FlushWriteBuf()
701 if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError()))
705 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
707 int old_sendq_length = sendq.length();
708 int n_sent = write(this->fd, this->sendq.data(), this->sendq.length());
713 /* The socket buffer is full. This isnt fatal,
716 this->ServerInstance->SE->WantWrite(this);
720 /* Fatal error, set write error and bail
722 this->SetWriteError(strerror(errno));
728 /* advance the queue */
730 this->sendq = this->sendq.substr(n_sent);
731 /* update the user's stats counters */
732 this->bytes_out += n_sent;
734 if (n_sent != old_sendq_length)
735 this->ServerInstance->SE->WantWrite(this);
742 ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
745 if (this->sendq.empty())
747 FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
751 void userrec::SetWriteError(const std::string &error)
755 // don't try to set the error twice, its already set take the first string.
756 if (this->WriteError.empty())
757 this->WriteError = error;
762 ServerInstance->Log(DEBUG,"Exception in userrec::SetWriteError()");
766 const char* userrec::GetWriteError()
768 return this->WriteError.c_str();
771 void userrec::Oper(const std::string &opertype)
775 this->modes[UM_OPERATOR] = 1;
776 this->WriteServ("MODE %s :+o", this->nick);
777 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
778 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
779 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
780 ServerInstance->all_opers.push_back(this);
781 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
786 ServerInstance->Log(DEBUG,"Exception in userrec::Oper()");
790 void userrec::UnOper()
797 this->modes[UM_OPERATOR] = 0;
798 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
802 ServerInstance->all_opers.erase(a);
811 ServerInstance->Log(DEBUG,"Exception in userrec::UnOper()");
815 void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason, const char* operreason)
818 Instance->GlobalCulls.AddItem(user, quitreason.c_str(), operreason);
821 /* adds or updates an entry in the whowas list */
822 void userrec::AddToWhoWas()
824 command_t* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
827 std::deque<classbase*> params;
828 params.push_back(this);
829 whowas_command->HandleInternal(WHOWAS_ADD, params);
833 /* add a client connection to the sockets list */
834 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip)
836 std::string tempnick = ConvToStr(socket) + "-unknown";
837 user_hash::iterator iter = Instance->clientlist->find(tempnick);
840 if (socketfamily == AF_INET6)
841 inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
843 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
845 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
850 Instance->unregistered_count++;
854 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
855 * using one as a registered connection. As they are per fd, we can also safely assume
856 * that we wont have collisions. Therefore, if the nick exists in the list, its only
857 * used by a dead socket, erase the iterator so that the new client may reclaim it.
858 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
859 * issue in earlier alphas/betas
861 if (iter != Instance->clientlist->end())
863 userrec* goner = iter->second;
865 Instance->clientlist->erase(iter);
868 New = new userrec(Instance);
869 (*(Instance->clientlist))[tempnick] = New;
871 strlcpy(New->nick,tempnick.c_str(),NICKMAX-1);
873 New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
874 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
875 strcpy(New->ident, "unknown");
877 New->registered = REG_NONE;
878 New->signon = Instance->Time() + Instance->Config->dns_timeout;
881 New->SetSockAddr(socketfamily, ipaddr, port);
883 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
884 for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
885 New->dhost[j] = New->host[j] = *temp;
886 New->dhost[j] = New->host[j] = 0;
888 Instance->AddLocalClone(New);
889 Instance->AddGlobalClone(New);
891 ConnectClass* i = New->GetClass();
893 if ((!i) || (i->GetType() == CC_DENY))
895 userrec::QuitUser(Instance, New,"Unauthorised connection");
899 New->pingmax = i->GetPingTime();
900 New->nping = Instance->Time() + i->GetPingTime() + Instance->Config->dns_timeout;
901 New->timeout = Instance->Time() + i->GetRegTimeout();
902 New->flood = i->GetFlood();
903 New->threshold = i->GetThreshold();
904 New->sendqmax = i->GetSendqMax();
905 New->recvqmax = i->GetRecvqMax();
907 Instance->local_users.push_back(New);
909 if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
911 Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
912 userrec::QuitUser(Instance, New,"No more connections allowed");
918 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
919 * its a pretty big but for the moment valid assumption:
920 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
921 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
922 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
923 * which for the time being is a physical impossibility (even the largest networks dont have more
924 * than about 10,000 users on ONE server!)
926 if ((unsigned int)socket >= MAX_DESCRIPTORS)
928 userrec::QuitUser(Instance, New, "Server is full");
932 New->exempt = (Instance->XLines->matches_exception(New) != NULL);
935 ZLine* r = Instance->XLines->matches_zline(ipaddr);
939 snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
940 userrec::QuitUser(Instance, New, reason);
947 if (!Instance->SE->AddFd(New))
949 userrec::QuitUser(Instance, New, "Internal error handling connection");
954 /* NOTE: even if dns lookups are *off*, we still need to display this.
955 * BOPM and other stuff requires it.
957 New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
960 unsigned long userrec::GlobalCloneCount()
962 clonemap::iterator x = ServerInstance->global_clones.find(this->GetIPString());
963 if (x != ServerInstance->global_clones.end())
969 unsigned long userrec::LocalCloneCount()
971 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
972 if (x != ServerInstance->local_clones.end())
978 void userrec::FullConnect()
980 ServerInstance->stats->statsConnects++;
981 this->idle_lastmsg = ServerInstance->Time();
983 ConnectClass* a = this->GetClass();
985 if ((!a) || (a->GetType() == CC_DENY))
988 ServerInstance->GlobalCulls.AddItem(this,"Unauthorised connection");
992 if ((!a->GetPass().empty()) && (!this->haspassed))
995 ServerInstance->GlobalCulls.AddItem(this,"Invalid password");
999 if (this->LocalCloneCount() > a->GetMaxLocal())
1002 ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (local)");
1003 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
1006 else if (this->GlobalCloneCount() > a->GetMaxGlobal())
1009 ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (global)");
1010 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a->GetMaxGlobal(), this->GetIPString());
1016 GLine* r = ServerInstance->XLines->matches_gline(this);
1021 char reason[MAXBUF];
1022 snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
1023 ServerInstance->GlobalCulls.AddItem(this, reason);
1027 KLine* n = ServerInstance->XLines->matches_kline(this);
1032 char reason[MAXBUF];
1033 snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
1034 ServerInstance->GlobalCulls.AddItem(this, reason);
1040 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1041 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1042 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1043 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1044 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());
1046 ServerInstance->Config->Send005(this);
1050 /* Now registered */
1051 if (ServerInstance->unregistered_count)
1052 ServerInstance->unregistered_count--;
1055 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1056 * changes dont go out onto the network and produce 'fake direction'.
1058 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1060 this->registered = REG_ALL;
1062 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1064 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1067 /** userrec::UpdateNick()
1068 * re-allocates a nick in the user_hash after they change nicknames,
1069 * returns a pointer to the new user as it may have moved
1071 userrec* userrec::UpdateNickHash(const char* New)
1075 //user_hash::iterator newnick;
1076 user_hash::iterator oldnick = ServerInstance->clientlist->find(this->nick);
1078 if (!strcasecmp(this->nick,New))
1079 return oldnick->second;
1081 if (oldnick == ServerInstance->clientlist->end())
1082 return NULL; /* doesnt exist */
1084 userrec* olduser = oldnick->second;
1085 (*(ServerInstance->clientlist))[New] = olduser;
1086 ServerInstance->clientlist->erase(oldnick);
1092 ServerInstance->Log(DEBUG,"Exception in userrec::UpdateNickHash()");
1097 void userrec::InvalidateCache()
1099 /* Invalidate cache */
1100 if (cached_fullhost)
1101 free(cached_fullhost);
1103 free(cached_hostip);
1104 if (cached_makehost)
1105 free(cached_makehost);
1106 if (cached_fullrealhost)
1107 free(cached_fullrealhost);
1108 cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
1111 bool userrec::ForceNickChange(const char* newnick)
1117 this->InvalidateCache();
1119 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1123 ServerInstance->stats->statsCollisions++;
1127 if (ServerInstance->XLines->matches_qline(newnick))
1129 ServerInstance->stats->statsCollisions++;
1133 if (this->registered == REG_ALL)
1135 const char* pars[1];
1137 std::string cmd = "NICK";
1138 return (ServerInstance->Parser->CallHandler(cmd, pars, 1, this) == CMD_SUCCESS);
1145 ServerInstance->Log(DEBUG,"Exception in userrec::ForceNickChange()");
1150 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1152 switch (protocol_family)
1154 #ifdef SUPPORT_IP6LINKS
1157 sockaddr_in6* sin = new sockaddr_in6;
1158 sin->sin6_family = AF_INET6;
1159 sin->sin6_port = port;
1160 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1161 this->ip = (sockaddr*)sin;
1167 sockaddr_in* sin = new sockaddr_in;
1168 sin->sin_family = AF_INET;
1169 sin->sin_port = port;
1170 inet_pton(AF_INET, ip, &sin->sin_addr);
1171 this->ip = (sockaddr*)sin;
1175 ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1180 int userrec::GetPort()
1182 if (this->ip == NULL)
1185 switch (this->GetProtocolFamily())
1187 #ifdef SUPPORT_IP6LINKS
1190 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1191 return sin->sin6_port;
1197 sockaddr_in* sin = (sockaddr_in*)this->ip;
1198 return sin->sin_port;
1207 int userrec::GetProtocolFamily()
1209 if (this->ip == NULL)
1212 sockaddr_in* sin = (sockaddr_in*)this->ip;
1213 return sin->sin_family;
1216 const char* userrec::GetIPString()
1218 static char buf[1024];
1220 if (this->ip == NULL)
1223 switch (this->GetProtocolFamily())
1225 #ifdef SUPPORT_IP6LINKS
1228 static char temp[1024];
1230 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1231 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1232 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1235 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1245 sockaddr_in* sin = (sockaddr_in*)this->ip;
1246 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1256 const char* userrec::GetIPString(char* buf)
1258 if (this->ip == NULL)
1264 switch (this->GetProtocolFamily())
1266 #ifdef SUPPORT_IP6LINKS
1269 static char temp[1024];
1271 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1272 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1273 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1276 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1278 strlcpy(buf, temp, sizeof(temp));
1286 sockaddr_in* sin = (sockaddr_in*)this->ip;
1287 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1298 /** NOTE: We cannot pass a const reference to this method.
1299 * The string is changed by the workings of the method,
1300 * so that if we pass const ref, we end up copying it to
1301 * something we can change anyway. Makes sense to just let
1302 * the compiler do that copy for us.
1304 void userrec::Write(std::string text)
1306 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1311 /* ServerInstance->Log(DEBUG,"<- %s", text.c_str());
1312 * WARNING: The above debug line is VERY loud, do NOT
1313 * enable it till we have a good way of filtering it
1314 * out of the logs (e.g. 1.2 would be good).
1316 text.append("\r\n");
1320 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1324 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1328 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1330 catch (CoreException& modexcept)
1332 ServerInstance->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
1337 this->AddWriteBuf(text);
1339 ServerInstance->stats->statsSent += text.length();
1340 this->ServerInstance->SE->WantWrite(this);
1345 void userrec::Write(const char *text, ...)
1348 char textbuffer[MAXBUF];
1350 va_start(argsPtr, text);
1351 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1354 this->Write(std::string(textbuffer));
1357 void userrec::WriteServ(const std::string& text)
1359 char textbuffer[MAXBUF];
1361 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1362 this->Write(std::string(textbuffer));
1366 * Same as Write(), except `text' is prefixed with `:server.name '.
1368 void userrec::WriteServ(const char* text, ...)
1371 char textbuffer[MAXBUF];
1373 va_start(argsPtr, text);
1374 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1377 this->WriteServ(std::string(textbuffer));
1381 void userrec::WriteFrom(userrec *user, const std::string &text)
1385 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1387 this->Write(std::string(tb));
1391 /* write text from an originating user to originating user */
1393 void userrec::WriteFrom(userrec *user, const char* text, ...)
1396 char textbuffer[MAXBUF];
1398 va_start(argsPtr, text);
1399 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1402 this->WriteFrom(user, std::string(textbuffer));
1406 /* write text to an destination user from a source user (e.g. user privmsg) */
1408 void userrec::WriteTo(userrec *dest, const char *data, ...)
1410 char textbuffer[MAXBUF];
1413 va_start(argsPtr, data);
1414 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1417 this->WriteTo(dest, std::string(textbuffer));
1420 void userrec::WriteTo(userrec *dest, const std::string &data)
1422 dest->WriteFrom(this, data);
1426 void userrec::WriteCommon(const char* text, ...)
1428 char textbuffer[MAXBUF];
1431 if (this->registered != REG_ALL)
1434 va_start(argsPtr, text);
1435 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1438 this->WriteCommon(std::string(textbuffer));
1441 void userrec::WriteCommon(const std::string &text)
1445 bool sent_to_at_least_one = false;
1448 if (this->registered != REG_ALL)
1453 /* We dont want to be doing this n times, just once */
1454 snprintf(tb,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1455 std::string out = tb;
1457 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1459 CUList* ulist = v->first->GetUsers();
1460 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1462 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1464 already_sent[i->second->fd] = uniq_id;
1465 i->second->Write(out);
1466 sent_to_at_least_one = true;
1472 * if the user was not in any channels, no users will receive the text. Make sure the user
1473 * receives their OWN message for WriteCommon
1475 if (!sent_to_at_least_one)
1477 this->Write(std::string(tb));
1483 ServerInstance->Log(DEBUG,"Exception in userrec::WriteCommon()");
1488 /* write a formatted string to all users who share at least one common
1489 * channel, NOT including the source user e.g. for use in QUIT
1492 void userrec::WriteCommonExcept(const char* text, ...)
1494 char textbuffer[MAXBUF];
1497 va_start(argsPtr, text);
1498 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1501 this->WriteCommonExcept(std::string(textbuffer));
1504 void userrec::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1509 if (this->registered != REG_ALL)
1513 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str());
1514 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str());
1515 std::string out1 = tb1;
1516 std::string out2 = tb2;
1518 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1520 CUList *ulist = v->first->GetUsers();
1521 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1523 if (this != i->second)
1525 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1527 already_sent[i->second->fd] = uniq_id;
1528 i->second->Write(*i->second->oper ? out2 : out1);
1535 void userrec::WriteCommonExcept(const std::string &text)
1540 if (this->registered != REG_ALL)
1544 snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1547 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1549 CUList *ulist = v->first->GetUsers();
1550 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1552 if (this != i->second)
1554 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1556 already_sent[i->second->fd] = uniq_id;
1557 i->second->Write(out1);
1565 void userrec::WriteWallOps(const std::string &text)
1567 /* Does nothing if theyre not opered */
1568 if ((!*this->oper) && (IS_LOCAL(this)))
1571 std::string wallop = "WALLOPS :";
1575 wallop.append(text);
1579 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1583 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1586 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1587 this->WriteTo(t,wallop);
1591 void userrec::WriteWallOps(const char* text, ...)
1593 char textbuffer[MAXBUF];
1596 va_start(argsPtr, text);
1597 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1600 this->WriteWallOps(std::string(textbuffer));
1603 /* return 0 or 1 depending if users u and u2 share one or more common channels
1604 * (used by QUIT, NICK etc which arent channel specific notices)
1606 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1607 * the first users channels then the second users channels within the outer loop,
1608 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1609 * all possible iterations). However this new function instead checks against the
1610 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1611 * and saves us time as we already know what pointer value we are after.
1612 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1613 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1615 bool userrec::SharesChannelWith(userrec *other)
1617 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1621 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1623 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1624 * by replacing it with a map::find which *should* be more efficient
1626 if (i->first->HasUser(other))
1632 bool userrec::ChangeName(const char* gecos)
1634 if (!strcmp(gecos, this->fullname))
1640 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1643 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1645 strlcpy(this->fullname,gecos,MAXGECOS+1);
1650 bool userrec::ChangeDisplayedHost(const char* host)
1652 if (!strcmp(host, this->dhost))
1658 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1661 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1663 if (this->ServerInstance->Config->CycleHosts)
1664 this->WriteCommonExcept("QUIT :Changing hosts");
1666 /* Fix by Om: userrec::dhost is 65 long, this was truncating some long hosts */
1667 strlcpy(this->dhost,host,64);
1669 this->InvalidateCache();
1671 if (this->ServerInstance->Config->CycleHosts)
1673 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1675 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1676 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1678 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1683 this->WriteServ("396 %s %s :is now your displayed host",this->nick,this->dhost);
1688 bool userrec::ChangeIdent(const char* newident)
1690 if (!strcmp(newident, this->ident))
1693 if (this->ServerInstance->Config->CycleHosts)
1694 this->WriteCommonExcept("%s","QUIT :Changing ident");
1696 strlcpy(this->ident, newident, IDENTMAX+2);
1698 this->InvalidateCache();
1700 if (this->ServerInstance->Config->CycleHosts)
1702 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1704 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1705 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1707 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1714 void userrec::SendAll(const char* command, char* text, ...)
1716 char textbuffer[MAXBUF];
1717 char formatbuffer[MAXBUF];
1720 va_start(argsPtr, text);
1721 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1724 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer);
1725 std::string fmt = formatbuffer;
1727 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1734 std::string userrec::ChannelList(userrec* source)
1739 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1741 /* If the target is the same as the sender, let them see all their channels.
1742 * If the channel is NOT private/secret OR the user shares a common channel
1743 * If the user is an oper, and the <options:operspywhois> option is set.
1745 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!i->first->modes[CM_PRIVATE]) && (!i->first->modes[CM_SECRET])) || (i->first->HasUser(source))))
1747 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1754 ServerInstance->Log(DEBUG,"Exception in userrec::ChannelList()");
1759 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1762 std::ostringstream prefix;
1763 std::string::size_type start, pos, length;
1767 prefix << this->nick << " " << dest->nick << " :";
1768 line = prefix.str();
1769 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1771 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1773 length = (pos == std::string::npos) ? cl.length() : pos;
1775 if (line.length() + namelen + length - start > 510)
1777 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1778 line = prefix.str();
1781 if(pos == std::string::npos)
1783 line.append(cl.substr(start, length - start));
1788 line.append(cl.substr(start, length - start + 1));
1794 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1800 ServerInstance->Log(DEBUG,"Exception in userrec::SplitChanList()");
1805 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1806 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1807 * then their ip will be taken as 'priority' anyway, so for example,
1808 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1810 ConnectClass* userrec::GetClass()
1812 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1814 if ((match(this->GetIPString(),i->GetHost().c_str(),true)) || (match(this->host,i->GetHost().c_str())))
1820 void userrec::PurgeEmptyChannels()
1822 std::vector<chanrec*> to_delete;
1824 // firstly decrement the count on each channel
1825 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1827 f->first->RemoveAllPrefixes(this);
1828 if (f->first->DelUser(this) == 0)
1830 /* No users left in here, mark it for deletion */
1833 to_delete.push_back(f->first);
1837 ServerInstance->Log(DEBUG,"Exception in userrec::PurgeEmptyChannels to_delete.push_back()");
1842 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1844 chanrec* thischan = *n;
1845 chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name);
1846 if (i2 != ServerInstance->chanlist->end())
1848 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1850 ServerInstance->chanlist->erase(i2);
1851 this->chans.erase(*n);
1858 void userrec::ShowMOTD()
1860 if (!ServerInstance->Config->MOTD.size())
1862 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1865 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1867 for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
1868 this->WriteServ("372 %s :- %s",this->nick,i->c_str());
1870 this->WriteServ("376 %s :End of message of the day.", this->nick);
1873 void userrec::ShowRULES()
1875 if (!ServerInstance->Config->RULES.size())
1877 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1880 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1882 for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
1883 this->WriteServ("NOTICE %s :%s",this->nick,i->c_str());
1885 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
1888 void userrec::HandleEvent(EventType et, int errornum)
1890 /* WARNING: May delete this user! */
1891 int thisfd = this->GetFd();
1898 ServerInstance->ProcessUser(this);
1901 this->FlushWriteBuf();
1904 /** This should be safe, but dont DARE do anything after it -- Brain */
1905 this->SetWriteError(errornum ? strerror(errornum) : "EOF from client");
1911 ServerInstance->Log(DEBUG,"Exception in userrec::HandleEvent intercepted");
1914 /* If the user has raised an error whilst being processed, quit them now we're safe to */
1915 if ((ServerInstance->SE->GetRef(thisfd) == this))
1917 if (!WriteError.empty())
1919 userrec::QuitUser(ServerInstance, this, GetWriteError());
1924 void userrec::SetOperQuit(const std::string &oquit)
1929 operquit = strdup(oquit.c_str());
1932 const char* userrec::GetOperQuit()
1934 return operquit ? operquit : "";