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 /* Error message here */
244 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());
245 this->bound_user->dns_done = true;
250 bool userrec::IsNoticeMaskSet(unsigned char sm)
252 return (snomasks[sm-65]);
255 void userrec::SetNoticeMask(unsigned char sm, bool value)
257 snomasks[sm-65] = value;
260 const char* userrec::FormatNoticeMasks()
262 static char data[MAXBUF];
265 for (int n = 0; n < 64; n++)
268 data[offset++] = n+65;
277 bool userrec::IsModeSet(unsigned char m)
279 return (modes[m-65]);
282 void userrec::SetMode(unsigned char m, bool value)
287 const char* userrec::FormatModes()
289 static char data[MAXBUF];
291 for (int n = 0; n < 64; n++)
294 data[offset++] = n+65;
300 void userrec::DecrementModes()
302 for (int n = 0; n < 64; n++)
306 ModeHandler* mh = ServerInstance->Modes->FindMode(n+65, MODETYPE_USER);
313 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
315 // the PROPER way to do it, AVOID bzero at *ALL* costs
316 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
317 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
318 reset_due = ServerInstance->Time();
319 age = ServerInstance->Time(true);
320 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
321 ChannelCount = timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
322 muted = exempt = haspassed = dns_done = false;
327 res_forward = res_reverse = NULL;
331 memset(modes,0,sizeof(modes));
332 memset(snomasks,0,sizeof(snomasks));
333 /* Invalidate cache */
334 operquit = cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
339 this->InvalidateCache();
340 this->DecrementModes();
345 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
346 if (x != ServerInstance->local_clones.end())
351 ServerInstance->local_clones.erase(x);
355 clonemap::iterator y = ServerInstance->global_clones.find(this->GetIPString());
356 if (y != ServerInstance->global_clones.end())
361 ServerInstance->global_clones.erase(y);
365 if (this->GetProtocolFamily() == AF_INET)
367 delete (sockaddr_in*)ip;
369 #ifdef SUPPORT_IP6LINKS
372 delete (sockaddr_in6*)ip;
378 char* userrec::MakeHost()
380 if (this->cached_makehost)
381 return this->cached_makehost;
384 /* This is much faster than snprintf */
386 for(char* n = ident; *n; n++)
389 for(char* n = host; *n; n++)
393 this->cached_makehost = strdup(nhost);
395 return this->cached_makehost;
398 char* userrec::MakeHostIP()
400 if (this->cached_hostip)
401 return this->cached_hostip;
404 /* This is much faster than snprintf */
406 for(char* n = ident; *n; n++)
409 for(const char* n = this->GetIPString(); *n; n++)
413 this->cached_hostip = strdup(ihost);
415 return this->cached_hostip;
418 void userrec::CloseSocket()
420 ServerInstance->Log(DEBUG,"Close user socket %d", this->fd);
421 shutdown(this->fd,2);
425 char* userrec::GetFullHost()
427 if (this->cached_fullhost)
428 return this->cached_fullhost;
432 for(char* n = nick; *n; n++)
435 for(char* n = ident; *n; n++)
438 for(char* n = dhost; *n; n++)
442 this->cached_fullhost = strdup(result);
444 return this->cached_fullhost;
447 char* userrec::MakeWildHost()
449 static char nresult[MAXBUF];
451 *t++ = '*'; *t++ = '!';
452 *t++ = '*'; *t++ = '@';
453 for(char* n = dhost; *n; n++)
459 int userrec::ReadData(void* buffer, size_t size)
463 return read(this->fd, buffer, size);
470 char* userrec::GetFullRealHost()
472 if (this->cached_fullrealhost)
473 return this->cached_fullrealhost;
475 char fresult[MAXBUF];
477 for(char* n = nick; *n; n++)
480 for(char* n = ident; *n; n++)
483 for(char* n = host; *n; n++)
487 this->cached_fullrealhost = strdup(fresult);
489 return this->cached_fullrealhost;
492 bool userrec::IsInvited(const irc::string &channel)
494 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
504 InvitedList* userrec::GetInviteList()
509 void userrec::InviteTo(const irc::string &channel)
511 invites.push_back(channel);
514 void userrec::RemoveInvite(const irc::string &channel)
516 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
526 bool userrec::HasPermission(const std::string &command)
533 * users on remote servers can completely bypass all permissions based checks.
534 * This prevents desyncs when one server has different type/class tags to another.
535 * That having been said, this does open things up to the possibility of source changes
536 * allowing remote kills, etc - but if they have access to the src, they most likely have
537 * access to the conf - so it's an end to a means either way.
542 // are they even an oper at all?
545 opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
546 if (iter_opertype != ServerInstance->Config->opertypes.end())
548 char* Classes = strdup(iter_opertype->second);
549 char* myclass = strtok_r(Classes," ",&savept);
552 operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
553 if (iter_operclass != ServerInstance->Config->operclass.end())
555 char* CommandList = strdup(iter_operclass->second);
556 mycmd = strtok_r(CommandList," ",&savept2);
559 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
565 mycmd = strtok_r(NULL," ",&savept2);
569 myclass = strtok_r(NULL," ",&savept);
577 /** NOTE: We cannot pass a const reference to this method.
578 * The string is changed by the workings of the method,
579 * so that if we pass const ref, we end up copying it to
580 * something we can change anyway. Makes sense to just let
581 * the compiler do that copy for us.
583 bool userrec::AddBuffer(std::string a)
587 std::string::size_type i = a.rfind('\r');
589 while (i != std::string::npos)
598 if (recvq.length() > (unsigned)this->recvqmax)
600 this->SetWriteError("RecvQ exceeded");
601 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
610 ServerInstance->Log(DEBUG,"Exception in userrec::AddBuffer()");
615 bool userrec::BufferIsReady()
617 return (recvq.find('\n') != std::string::npos);
620 void userrec::ClearBuffer()
625 std::string userrec::GetBuffer()
632 /* Strip any leading \r or \n off the string.
633 * Usually there are only one or two of these,
634 * so its is computationally cheap to do.
636 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
637 recvq.erase(recvq.begin());
639 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
641 /* Find the first complete line, return it as the
642 * result, and leave the recvq as whats left
646 std::string ret = std::string(recvq.begin(), x);
647 recvq.erase(recvq.begin(), x + 1);
656 ServerInstance->Log(DEBUG,"Exception in userrec::GetBuffer()");
661 void userrec::AddWriteBuf(const std::string &data)
663 if (*this->GetWriteError())
666 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
669 * Fix by brain - Set the error text BEFORE calling writeopers, because
670 * if we dont it'll recursively call here over and over again trying
671 * to repeatedly add the text to the sendq!
673 this->SetWriteError("SendQ exceeded");
674 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
680 if (data.length() > 512)
681 sendq.append(data.substr(0,510)).append("\r\n");
687 this->SetWriteError("SendQ exceeded");
688 ServerInstance->WriteOpers("*** User %s SendQ got an exception",this->nick);
692 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
693 void userrec::FlushWriteBuf()
697 if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError()))
701 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
703 int old_sendq_length = sendq.length();
704 int n_sent = write(this->fd, this->sendq.data(), this->sendq.length());
709 /* The socket buffer is full. This isnt fatal,
712 this->ServerInstance->SE->WantWrite(this);
716 /* Fatal error, set write error and bail
718 this->SetWriteError(strerror(errno));
724 /* advance the queue */
726 this->sendq = this->sendq.substr(n_sent);
727 /* update the user's stats counters */
728 this->bytes_out += n_sent;
730 if (n_sent != old_sendq_length)
731 this->ServerInstance->SE->WantWrite(this);
738 ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
741 if (this->sendq.empty())
743 FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
747 void userrec::SetWriteError(const std::string &error)
751 // don't try to set the error twice, its already set take the first string.
752 if (this->WriteError.empty())
753 this->WriteError = error;
758 ServerInstance->Log(DEBUG,"Exception in userrec::SetWriteError()");
762 const char* userrec::GetWriteError()
764 return this->WriteError.c_str();
767 void userrec::Oper(const std::string &opertype)
771 this->modes[UM_OPERATOR] = 1;
772 this->WriteServ("MODE %s :+o", this->nick);
773 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
774 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
775 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
776 ServerInstance->all_opers.push_back(this);
777 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
782 ServerInstance->Log(DEBUG,"Exception in userrec::Oper()");
786 void userrec::UnOper()
793 this->modes[UM_OPERATOR] = 0;
794 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
798 ServerInstance->all_opers.erase(a);
807 ServerInstance->Log(DEBUG,"Exception in userrec::UnOper()");
811 void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason, const char* operreason)
814 Instance->GlobalCulls.AddItem(user, quitreason.c_str(), operreason);
817 /* adds or updates an entry in the whowas list */
818 void userrec::AddToWhoWas()
820 command_t* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
823 std::deque<classbase*> params;
824 params.push_back(this);
825 whowas_command->HandleInternal(WHOWAS_ADD, params);
829 /* add a client connection to the sockets list */
830 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip)
832 std::string tempnick = ConvToStr(socket) + "-unknown";
833 user_hash::iterator iter = Instance->clientlist->find(tempnick);
836 if (socketfamily == AF_INET6)
837 inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
839 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
841 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
846 Instance->unregistered_count++;
850 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
851 * using one as a registered connection. As they are per fd, we can also safely assume
852 * that we wont have collisions. Therefore, if the nick exists in the list, its only
853 * used by a dead socket, erase the iterator so that the new client may reclaim it.
854 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
855 * issue in earlier alphas/betas
857 if (iter != Instance->clientlist->end())
859 userrec* goner = iter->second;
861 Instance->clientlist->erase(iter);
864 New = new userrec(Instance);
865 (*(Instance->clientlist))[tempnick] = New;
867 strlcpy(New->nick,tempnick.c_str(),NICKMAX-1);
869 New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
870 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
871 strcpy(New->ident, "unknown");
873 New->registered = REG_NONE;
874 New->signon = Instance->Time() + Instance->Config->dns_timeout;
877 New->SetSockAddr(socketfamily, ipaddr, port);
879 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
880 for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
881 New->dhost[j] = New->host[j] = *temp;
882 New->dhost[j] = New->host[j] = 0;
884 Instance->AddLocalClone(New);
885 Instance->AddGlobalClone(New);
887 ConnectClass* i = New->GetClass();
889 if ((!i) || (i->GetType() == CC_DENY))
891 userrec::QuitUser(Instance, New,"Unauthorised connection");
895 New->pingmax = i->GetPingTime();
896 New->nping = Instance->Time() + i->GetPingTime() + Instance->Config->dns_timeout;
897 New->timeout = Instance->Time() + i->GetRegTimeout();
898 New->flood = i->GetFlood();
899 New->threshold = i->GetThreshold();
900 New->sendqmax = i->GetSendqMax();
901 New->recvqmax = i->GetRecvqMax();
903 Instance->local_users.push_back(New);
905 if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
907 Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
908 userrec::QuitUser(Instance, New,"No more connections allowed");
914 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
915 * its a pretty big but for the moment valid assumption:
916 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
917 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
918 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
919 * which for the time being is a physical impossibility (even the largest networks dont have more
920 * than about 10,000 users on ONE server!)
922 if ((unsigned int)socket >= MAX_DESCRIPTORS)
924 userrec::QuitUser(Instance, New, "Server is full");
928 New->exempt = (Instance->XLines->matches_exception(New) != NULL);
931 ZLine* r = Instance->XLines->matches_zline(ipaddr);
935 snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
936 userrec::QuitUser(Instance, New, reason);
943 if (!Instance->SE->AddFd(New))
945 userrec::QuitUser(Instance, New, "Internal error handling connection");
950 /* NOTE: even if dns lookups are *off*, we still need to display this.
951 * BOPM and other stuff requires it.
953 New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
956 unsigned long userrec::GlobalCloneCount()
958 clonemap::iterator x = ServerInstance->global_clones.find(this->GetIPString());
959 if (x != ServerInstance->global_clones.end())
965 unsigned long userrec::LocalCloneCount()
967 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
968 if (x != ServerInstance->local_clones.end())
974 void userrec::FullConnect()
976 ServerInstance->stats->statsConnects++;
977 this->idle_lastmsg = ServerInstance->Time();
979 ConnectClass* a = this->GetClass();
981 if ((!a) || (a->GetType() == CC_DENY))
984 ServerInstance->GlobalCulls.AddItem(this,"Unauthorised connection");
988 if ((!a->GetPass().empty()) && (!this->haspassed))
991 ServerInstance->GlobalCulls.AddItem(this,"Invalid password");
995 if (this->LocalCloneCount() > a->GetMaxLocal())
998 ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (local)");
999 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
1002 else if (this->GlobalCloneCount() > a->GetMaxGlobal())
1005 ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (global)");
1006 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a->GetMaxGlobal(), this->GetIPString());
1012 GLine* r = ServerInstance->XLines->matches_gline(this);
1017 char reason[MAXBUF];
1018 snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
1019 ServerInstance->GlobalCulls.AddItem(this, reason);
1023 KLine* n = ServerInstance->XLines->matches_kline(this);
1028 char reason[MAXBUF];
1029 snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
1030 ServerInstance->GlobalCulls.AddItem(this, reason);
1036 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1037 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1038 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1039 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1040 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());
1042 ServerInstance->Config->Send005(this);
1046 /* Now registered */
1047 if (ServerInstance->unregistered_count)
1048 ServerInstance->unregistered_count--;
1051 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1052 * changes dont go out onto the network and produce 'fake direction'.
1054 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1056 this->registered = REG_ALL;
1058 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1060 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1063 /** userrec::UpdateNick()
1064 * re-allocates a nick in the user_hash after they change nicknames,
1065 * returns a pointer to the new user as it may have moved
1067 userrec* userrec::UpdateNickHash(const char* New)
1071 //user_hash::iterator newnick;
1072 user_hash::iterator oldnick = ServerInstance->clientlist->find(this->nick);
1074 if (!strcasecmp(this->nick,New))
1075 return oldnick->second;
1077 if (oldnick == ServerInstance->clientlist->end())
1078 return NULL; /* doesnt exist */
1080 userrec* olduser = oldnick->second;
1081 (*(ServerInstance->clientlist))[New] = olduser;
1082 ServerInstance->clientlist->erase(oldnick);
1088 ServerInstance->Log(DEBUG,"Exception in userrec::UpdateNickHash()");
1093 void userrec::InvalidateCache()
1095 /* Invalidate cache */
1096 if (cached_fullhost)
1097 free(cached_fullhost);
1099 free(cached_hostip);
1100 if (cached_makehost)
1101 free(cached_makehost);
1102 if (cached_fullrealhost)
1103 free(cached_fullrealhost);
1104 cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
1107 bool userrec::ForceNickChange(const char* newnick)
1113 this->InvalidateCache();
1115 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1119 ServerInstance->stats->statsCollisions++;
1123 if (ServerInstance->XLines->matches_qline(newnick))
1125 ServerInstance->stats->statsCollisions++;
1129 if (this->registered == REG_ALL)
1131 const char* pars[1];
1133 std::string cmd = "NICK";
1134 return (ServerInstance->Parser->CallHandler(cmd, pars, 1, this) == CMD_SUCCESS);
1141 ServerInstance->Log(DEBUG,"Exception in userrec::ForceNickChange()");
1146 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1148 switch (protocol_family)
1150 #ifdef SUPPORT_IP6LINKS
1153 sockaddr_in6* sin = new sockaddr_in6;
1154 sin->sin6_family = AF_INET6;
1155 sin->sin6_port = port;
1156 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1157 this->ip = (sockaddr*)sin;
1163 sockaddr_in* sin = new sockaddr_in;
1164 sin->sin_family = AF_INET;
1165 sin->sin_port = port;
1166 inet_pton(AF_INET, ip, &sin->sin_addr);
1167 this->ip = (sockaddr*)sin;
1171 ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1176 int userrec::GetPort()
1178 if (this->ip == NULL)
1181 switch (this->GetProtocolFamily())
1183 #ifdef SUPPORT_IP6LINKS
1186 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1187 return sin->sin6_port;
1193 sockaddr_in* sin = (sockaddr_in*)this->ip;
1194 return sin->sin_port;
1203 int userrec::GetProtocolFamily()
1205 if (this->ip == NULL)
1208 sockaddr_in* sin = (sockaddr_in*)this->ip;
1209 return sin->sin_family;
1212 const char* userrec::GetIPString()
1214 static char buf[1024];
1216 if (this->ip == NULL)
1219 switch (this->GetProtocolFamily())
1221 #ifdef SUPPORT_IP6LINKS
1224 static char temp[1024];
1226 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1227 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1228 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1231 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1241 sockaddr_in* sin = (sockaddr_in*)this->ip;
1242 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1252 const char* userrec::GetIPString(char* buf)
1254 if (this->ip == NULL)
1260 switch (this->GetProtocolFamily())
1262 #ifdef SUPPORT_IP6LINKS
1265 static char temp[1024];
1267 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1268 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1269 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1272 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1274 strlcpy(buf, temp, sizeof(temp));
1282 sockaddr_in* sin = (sockaddr_in*)this->ip;
1283 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1294 /** NOTE: We cannot pass a const reference to this method.
1295 * The string is changed by the workings of the method,
1296 * so that if we pass const ref, we end up copying it to
1297 * something we can change anyway. Makes sense to just let
1298 * the compiler do that copy for us.
1300 void userrec::Write(std::string text)
1302 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1307 /* ServerInstance->Log(DEBUG,"<- %s", text.c_str());
1308 * WARNING: The above debug line is VERY loud, do NOT
1309 * enable it till we have a good way of filtering it
1310 * out of the logs (e.g. 1.2 would be good).
1312 text.append("\r\n");
1316 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1320 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1324 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1326 catch (CoreException& modexcept)
1328 ServerInstance->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
1333 this->AddWriteBuf(text);
1335 ServerInstance->stats->statsSent += text.length();
1336 this->ServerInstance->SE->WantWrite(this);
1341 void userrec::Write(const char *text, ...)
1344 char textbuffer[MAXBUF];
1346 va_start(argsPtr, text);
1347 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1350 this->Write(std::string(textbuffer));
1353 void userrec::WriteServ(const std::string& text)
1355 char textbuffer[MAXBUF];
1357 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1358 this->Write(std::string(textbuffer));
1362 * Same as Write(), except `text' is prefixed with `:server.name '.
1364 void userrec::WriteServ(const char* text, ...)
1367 char textbuffer[MAXBUF];
1369 va_start(argsPtr, text);
1370 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1373 this->WriteServ(std::string(textbuffer));
1377 void userrec::WriteFrom(userrec *user, const std::string &text)
1381 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1383 this->Write(std::string(tb));
1387 /* write text from an originating user to originating user */
1389 void userrec::WriteFrom(userrec *user, const char* text, ...)
1392 char textbuffer[MAXBUF];
1394 va_start(argsPtr, text);
1395 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1398 this->WriteFrom(user, std::string(textbuffer));
1402 /* write text to an destination user from a source user (e.g. user privmsg) */
1404 void userrec::WriteTo(userrec *dest, const char *data, ...)
1406 char textbuffer[MAXBUF];
1409 va_start(argsPtr, data);
1410 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1413 this->WriteTo(dest, std::string(textbuffer));
1416 void userrec::WriteTo(userrec *dest, const std::string &data)
1418 dest->WriteFrom(this, data);
1422 void userrec::WriteCommon(const char* text, ...)
1424 char textbuffer[MAXBUF];
1427 if (this->registered != REG_ALL)
1430 va_start(argsPtr, text);
1431 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1434 this->WriteCommon(std::string(textbuffer));
1437 void userrec::WriteCommon(const std::string &text)
1441 bool sent_to_at_least_one = false;
1444 if (this->registered != REG_ALL)
1449 /* We dont want to be doing this n times, just once */
1450 snprintf(tb,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1451 std::string out = tb;
1453 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1455 CUList* ulist = v->first->GetUsers();
1456 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1458 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1460 already_sent[i->second->fd] = uniq_id;
1461 i->second->Write(out);
1462 sent_to_at_least_one = true;
1468 * if the user was not in any channels, no users will receive the text. Make sure the user
1469 * receives their OWN message for WriteCommon
1471 if (!sent_to_at_least_one)
1473 this->Write(std::string(tb));
1479 ServerInstance->Log(DEBUG,"Exception in userrec::WriteCommon()");
1484 /* write a formatted string to all users who share at least one common
1485 * channel, NOT including the source user e.g. for use in QUIT
1488 void userrec::WriteCommonExcept(const char* text, ...)
1490 char textbuffer[MAXBUF];
1493 va_start(argsPtr, text);
1494 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1497 this->WriteCommonExcept(std::string(textbuffer));
1500 void userrec::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1505 if (this->registered != REG_ALL)
1509 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str());
1510 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str());
1511 std::string out1 = tb1;
1512 std::string out2 = tb2;
1514 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1516 CUList *ulist = v->first->GetUsers();
1517 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1519 if (this != i->second)
1521 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1523 already_sent[i->second->fd] = uniq_id;
1524 i->second->Write(*i->second->oper ? out2 : out1);
1531 void userrec::WriteCommonExcept(const std::string &text)
1536 if (this->registered != REG_ALL)
1540 snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1543 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1545 CUList *ulist = v->first->GetUsers();
1546 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1548 if (this != i->second)
1550 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1552 already_sent[i->second->fd] = uniq_id;
1553 i->second->Write(out1);
1561 void userrec::WriteWallOps(const std::string &text)
1563 /* Does nothing if theyre not opered */
1564 if ((!*this->oper) && (IS_LOCAL(this)))
1567 std::string wallop = "WALLOPS :";
1571 wallop.append(text);
1575 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1579 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1582 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1583 this->WriteTo(t,wallop);
1587 void userrec::WriteWallOps(const char* text, ...)
1589 char textbuffer[MAXBUF];
1592 va_start(argsPtr, text);
1593 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1596 this->WriteWallOps(std::string(textbuffer));
1599 /* return 0 or 1 depending if users u and u2 share one or more common channels
1600 * (used by QUIT, NICK etc which arent channel specific notices)
1602 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1603 * the first users channels then the second users channels within the outer loop,
1604 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1605 * all possible iterations). However this new function instead checks against the
1606 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1607 * and saves us time as we already know what pointer value we are after.
1608 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1609 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1611 bool userrec::SharesChannelWith(userrec *other)
1613 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1617 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1619 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1620 * by replacing it with a map::find which *should* be more efficient
1622 if (i->first->HasUser(other))
1628 bool userrec::ChangeName(const char* gecos)
1630 if (!strcmp(gecos, this->fullname))
1636 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1639 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1641 strlcpy(this->fullname,gecos,MAXGECOS+1);
1646 bool userrec::ChangeDisplayedHost(const char* host)
1648 if (!strcmp(host, this->dhost))
1654 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1657 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1659 if (this->ServerInstance->Config->CycleHosts)
1660 this->WriteCommonExcept("QUIT :Changing hosts");
1662 /* Fix by Om: userrec::dhost is 65 long, this was truncating some long hosts */
1663 strlcpy(this->dhost,host,64);
1665 this->InvalidateCache();
1667 if (this->ServerInstance->Config->CycleHosts)
1669 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1671 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1672 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1674 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1679 this->WriteServ("396 %s %s :is now your displayed host",this->nick,this->dhost);
1684 bool userrec::ChangeIdent(const char* newident)
1686 if (!strcmp(newident, this->ident))
1689 if (this->ServerInstance->Config->CycleHosts)
1690 this->WriteCommonExcept("%s","QUIT :Changing ident");
1692 strlcpy(this->ident, newident, IDENTMAX+2);
1694 this->InvalidateCache();
1696 if (this->ServerInstance->Config->CycleHosts)
1698 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1700 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1701 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1703 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1710 void userrec::SendAll(const char* command, char* text, ...)
1712 char textbuffer[MAXBUF];
1713 char formatbuffer[MAXBUF];
1716 va_start(argsPtr, text);
1717 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1720 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer);
1721 std::string fmt = formatbuffer;
1723 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1730 std::string userrec::ChannelList(userrec* source)
1735 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1737 /* If the target is the same as the sender, let them see all their channels.
1738 * If the channel is NOT private/secret OR the user shares a common channel
1739 * If the user is an oper, and the <options:operspywhois> option is set.
1741 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!i->first->modes[CM_PRIVATE]) && (!i->first->modes[CM_SECRET])) || (i->first->HasUser(source))))
1743 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1750 ServerInstance->Log(DEBUG,"Exception in userrec::ChannelList()");
1755 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1758 std::ostringstream prefix;
1759 std::string::size_type start, pos, length;
1763 prefix << this->nick << " " << dest->nick << " :";
1764 line = prefix.str();
1765 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1767 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1769 length = (pos == std::string::npos) ? cl.length() : pos;
1771 if (line.length() + namelen + length - start > 510)
1773 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1774 line = prefix.str();
1777 if(pos == std::string::npos)
1779 line.append(cl.substr(start, length - start));
1784 line.append(cl.substr(start, length - start + 1));
1790 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1796 ServerInstance->Log(DEBUG,"Exception in userrec::SplitChanList()");
1801 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1802 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1803 * then their ip will be taken as 'priority' anyway, so for example,
1804 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1806 ConnectClass* userrec::GetClass()
1808 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1810 if ((match(this->GetIPString(),i->GetHost().c_str(),true)) || (match(this->host,i->GetHost().c_str())))
1816 void userrec::PurgeEmptyChannels()
1818 std::vector<chanrec*> to_delete;
1820 // firstly decrement the count on each channel
1821 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1823 f->first->RemoveAllPrefixes(this);
1824 if (f->first->DelUser(this) == 0)
1826 /* No users left in here, mark it for deletion */
1829 to_delete.push_back(f->first);
1833 ServerInstance->Log(DEBUG,"Exception in userrec::PurgeEmptyChannels to_delete.push_back()");
1838 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1840 chanrec* thischan = *n;
1841 chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name);
1842 if (i2 != ServerInstance->chanlist->end())
1844 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1846 ServerInstance->chanlist->erase(i2);
1847 this->chans.erase(*n);
1854 void userrec::ShowMOTD()
1856 if (!ServerInstance->Config->MOTD.size())
1858 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1861 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1863 for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
1864 this->WriteServ("372 %s :- %s",this->nick,i->c_str());
1866 this->WriteServ("376 %s :End of message of the day.", this->nick);
1869 void userrec::ShowRULES()
1871 if (!ServerInstance->Config->RULES.size())
1873 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1876 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1878 for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
1879 this->WriteServ("NOTICE %s :%s",this->nick,i->c_str());
1881 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
1884 void userrec::HandleEvent(EventType et, int errornum)
1886 /* WARNING: May delete this user! */
1887 int thisfd = this->GetFd();
1894 ServerInstance->ProcessUser(this);
1897 this->FlushWriteBuf();
1900 /** This should be safe, but dont DARE do anything after it -- Brain */
1901 this->SetWriteError(errornum ? strerror(errornum) : "EOF from client");
1907 ServerInstance->Log(DEBUG,"Exception in userrec::HandleEvent intercepted");
1910 /* If the user has raised an error whilst being processed, quit them now we're safe to */
1911 if ((ServerInstance->SE->GetRef(thisfd) == this))
1913 if (!WriteError.empty())
1915 userrec::QuitUser(ServerInstance, this, GetWriteError());
1920 void userrec::SetOperQuit(const std::string &oquit)
1925 operquit = strdup(oquit.c_str());
1928 const char* userrec::GetOperQuit()
1930 return operquit ? operquit : "";