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 shutdown(this->fd,2);
424 char* userrec::GetFullHost()
426 if (this->cached_fullhost)
427 return this->cached_fullhost;
431 for(char* n = nick; *n; n++)
434 for(char* n = ident; *n; n++)
437 for(char* n = dhost; *n; n++)
441 this->cached_fullhost = strdup(result);
443 return this->cached_fullhost;
446 char* userrec::MakeWildHost()
448 static char nresult[MAXBUF];
450 *t++ = '*'; *t++ = '!';
451 *t++ = '*'; *t++ = '@';
452 for(char* n = dhost; *n; n++)
458 int userrec::ReadData(void* buffer, size_t size)
462 return read(this->fd, buffer, size);
469 char* userrec::GetFullRealHost()
471 if (this->cached_fullrealhost)
472 return this->cached_fullrealhost;
474 char fresult[MAXBUF];
476 for(char* n = nick; *n; n++)
479 for(char* n = ident; *n; n++)
482 for(char* n = host; *n; n++)
486 this->cached_fullrealhost = strdup(fresult);
488 return this->cached_fullrealhost;
491 bool userrec::IsInvited(const irc::string &channel)
493 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
503 InvitedList* userrec::GetInviteList()
508 void userrec::InviteTo(const irc::string &channel)
510 invites.push_back(channel);
513 void userrec::RemoveInvite(const irc::string &channel)
515 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
525 bool userrec::HasPermission(const std::string &command)
532 * users on remote servers can completely bypass all permissions based checks.
533 * This prevents desyncs when one server has different type/class tags to another.
534 * That having been said, this does open things up to the possibility of source changes
535 * allowing remote kills, etc - but if they have access to the src, they most likely have
536 * access to the conf - so it's an end to a means either way.
541 // are they even an oper at all?
544 opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
545 if (iter_opertype != ServerInstance->Config->opertypes.end())
547 char* Classes = strdup(iter_opertype->second);
548 char* myclass = strtok_r(Classes," ",&savept);
551 operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
552 if (iter_operclass != ServerInstance->Config->operclass.end())
554 char* CommandList = strdup(iter_operclass->second);
555 mycmd = strtok_r(CommandList," ",&savept2);
558 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
564 mycmd = strtok_r(NULL," ",&savept2);
568 myclass = strtok_r(NULL," ",&savept);
576 /** NOTE: We cannot pass a const reference to this method.
577 * The string is changed by the workings of the method,
578 * so that if we pass const ref, we end up copying it to
579 * something we can change anyway. Makes sense to just let
580 * the compiler do that copy for us.
582 bool userrec::AddBuffer(std::string a)
586 std::string::size_type i = a.rfind('\r');
588 while (i != std::string::npos)
597 if (recvq.length() > (unsigned)this->recvqmax)
599 this->SetWriteError("RecvQ exceeded");
600 ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
609 ServerInstance->Log(DEBUG,"Exception in userrec::AddBuffer()");
614 bool userrec::BufferIsReady()
616 return (recvq.find('\n') != std::string::npos);
619 void userrec::ClearBuffer()
624 std::string userrec::GetBuffer()
631 /* Strip any leading \r or \n off the string.
632 * Usually there are only one or two of these,
633 * so its is computationally cheap to do.
635 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
636 recvq.erase(recvq.begin());
638 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
640 /* Find the first complete line, return it as the
641 * result, and leave the recvq as whats left
645 std::string ret = std::string(recvq.begin(), x);
646 recvq.erase(recvq.begin(), x + 1);
655 ServerInstance->Log(DEBUG,"Exception in userrec::GetBuffer()");
660 void userrec::AddWriteBuf(const std::string &data)
662 if (*this->GetWriteError())
665 if (sendq.length() + data.length() > (unsigned)this->sendqmax)
668 * Fix by brain - Set the error text BEFORE calling writeopers, because
669 * if we dont it'll recursively call here over and over again trying
670 * to repeatedly add the text to the sendq!
672 this->SetWriteError("SendQ exceeded");
673 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
679 if (data.length() > 512)
680 sendq.append(data.substr(0,510)).append("\r\n");
686 this->SetWriteError("SendQ exceeded");
687 ServerInstance->WriteOpers("*** User %s SendQ got an exception",this->nick);
691 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
692 void userrec::FlushWriteBuf()
696 if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError()))
700 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
702 int old_sendq_length = sendq.length();
703 int n_sent = write(this->fd, this->sendq.data(), this->sendq.length());
708 /* The socket buffer is full. This isnt fatal,
711 this->ServerInstance->SE->WantWrite(this);
715 /* Fatal error, set write error and bail
717 this->SetWriteError(strerror(errno));
723 /* advance the queue */
725 this->sendq = this->sendq.substr(n_sent);
726 /* update the user's stats counters */
727 this->bytes_out += n_sent;
729 if (n_sent != old_sendq_length)
730 this->ServerInstance->SE->WantWrite(this);
737 ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
740 if (this->sendq.empty())
742 FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
746 void userrec::SetWriteError(const std::string &error)
750 // don't try to set the error twice, its already set take the first string.
751 if (this->WriteError.empty())
752 this->WriteError = error;
757 ServerInstance->Log(DEBUG,"Exception in userrec::SetWriteError()");
761 const char* userrec::GetWriteError()
763 return this->WriteError.c_str();
766 void userrec::Oper(const std::string &opertype)
770 this->modes[UM_OPERATOR] = 1;
771 this->WriteServ("MODE %s :+o", this->nick);
772 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
773 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
774 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
775 ServerInstance->all_opers.push_back(this);
776 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
781 ServerInstance->Log(DEBUG,"Exception in userrec::Oper()");
785 void userrec::UnOper()
792 this->modes[UM_OPERATOR] = 0;
793 for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
797 ServerInstance->all_opers.erase(a);
806 ServerInstance->Log(DEBUG,"Exception in userrec::UnOper()");
810 void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason, const char* operreason)
813 Instance->GlobalCulls.AddItem(user, quitreason.c_str(), operreason);
816 /* adds or updates an entry in the whowas list */
817 void userrec::AddToWhoWas()
819 command_t* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
822 std::deque<classbase*> params;
823 params.push_back(this);
824 whowas_command->HandleInternal(WHOWAS_ADD, params);
828 /* add a client connection to the sockets list */
829 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip)
831 std::string tempnick = ConvToStr(socket) + "-unknown";
832 user_hash::iterator iter = Instance->clientlist->find(tempnick);
835 if (socketfamily == AF_INET6)
836 inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
838 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
840 inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
845 Instance->unregistered_count++;
849 * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
850 * using one as a registered connection. As they are per fd, we can also safely assume
851 * that we wont have collisions. Therefore, if the nick exists in the list, its only
852 * used by a dead socket, erase the iterator so that the new client may reclaim it.
853 * this was probably the cause of 'server ignores me when i hammer it with reconnects'
854 * issue in earlier alphas/betas
856 if (iter != Instance->clientlist->end())
858 userrec* goner = iter->second;
860 Instance->clientlist->erase(iter);
863 New = new userrec(Instance);
864 (*(Instance->clientlist))[tempnick] = New;
866 strlcpy(New->nick,tempnick.c_str(),NICKMAX-1);
868 New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
869 /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
870 strcpy(New->ident, "unknown");
872 New->registered = REG_NONE;
873 New->signon = Instance->Time() + Instance->Config->dns_timeout;
876 New->SetSockAddr(socketfamily, ipaddr, port);
878 /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
879 for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
880 New->dhost[j] = New->host[j] = *temp;
881 New->dhost[j] = New->host[j] = 0;
883 Instance->AddLocalClone(New);
884 Instance->AddGlobalClone(New);
886 ConnectClass* i = New->GetClass();
888 if ((!i) || (i->GetType() == CC_DENY))
890 userrec::QuitUser(Instance, New,"Unauthorised connection");
894 New->pingmax = i->GetPingTime();
895 New->nping = Instance->Time() + i->GetPingTime() + Instance->Config->dns_timeout;
896 New->timeout = Instance->Time() + i->GetRegTimeout();
897 New->flood = i->GetFlood();
898 New->threshold = i->GetThreshold();
899 New->sendqmax = i->GetSendqMax();
900 New->recvqmax = i->GetRecvqMax();
902 Instance->local_users.push_back(New);
904 if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
906 Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
907 userrec::QuitUser(Instance, New,"No more connections allowed");
913 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
914 * its a pretty big but for the moment valid assumption:
915 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
916 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
917 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
918 * which for the time being is a physical impossibility (even the largest networks dont have more
919 * than about 10,000 users on ONE server!)
921 if ((unsigned int)socket >= MAX_DESCRIPTORS)
923 userrec::QuitUser(Instance, New, "Server is full");
927 New->exempt = (Instance->XLines->matches_exception(New) != NULL);
930 ZLine* r = Instance->XLines->matches_zline(ipaddr);
934 snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
935 userrec::QuitUser(Instance, New, reason);
942 if (!Instance->SE->AddFd(New))
944 userrec::QuitUser(Instance, New, "Internal error handling connection");
949 /* NOTE: even if dns lookups are *off*, we still need to display this.
950 * BOPM and other stuff requires it.
952 New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
955 unsigned long userrec::GlobalCloneCount()
957 clonemap::iterator x = ServerInstance->global_clones.find(this->GetIPString());
958 if (x != ServerInstance->global_clones.end())
964 unsigned long userrec::LocalCloneCount()
966 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
967 if (x != ServerInstance->local_clones.end())
973 void userrec::FullConnect()
975 ServerInstance->stats->statsConnects++;
976 this->idle_lastmsg = ServerInstance->Time();
978 ConnectClass* a = this->GetClass();
980 if ((!a) || (a->GetType() == CC_DENY))
983 ServerInstance->GlobalCulls.AddItem(this,"Unauthorised connection");
987 if ((!a->GetPass().empty()) && (!this->haspassed))
990 ServerInstance->GlobalCulls.AddItem(this,"Invalid password");
994 if (this->LocalCloneCount() > a->GetMaxLocal())
997 ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (local)");
998 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
1001 else if (this->GlobalCloneCount() > a->GetMaxGlobal())
1004 ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (global)");
1005 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a->GetMaxGlobal(), this->GetIPString());
1011 GLine* r = ServerInstance->XLines->matches_gline(this);
1016 char reason[MAXBUF];
1017 snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
1018 ServerInstance->GlobalCulls.AddItem(this, reason);
1022 KLine* n = ServerInstance->XLines->matches_kline(this);
1027 char reason[MAXBUF];
1028 snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
1029 ServerInstance->GlobalCulls.AddItem(this, reason);
1035 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1036 this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1037 this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1038 this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1039 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());
1041 ServerInstance->Config->Send005(this);
1045 /* Now registered */
1046 if (ServerInstance->unregistered_count)
1047 ServerInstance->unregistered_count--;
1050 * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1051 * changes dont go out onto the network and produce 'fake direction'.
1053 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1055 this->registered = REG_ALL;
1057 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1059 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1062 /** userrec::UpdateNick()
1063 * re-allocates a nick in the user_hash after they change nicknames,
1064 * returns a pointer to the new user as it may have moved
1066 userrec* userrec::UpdateNickHash(const char* New)
1070 //user_hash::iterator newnick;
1071 user_hash::iterator oldnick = ServerInstance->clientlist->find(this->nick);
1073 if (!strcasecmp(this->nick,New))
1074 return oldnick->second;
1076 if (oldnick == ServerInstance->clientlist->end())
1077 return NULL; /* doesnt exist */
1079 userrec* olduser = oldnick->second;
1080 (*(ServerInstance->clientlist))[New] = olduser;
1081 ServerInstance->clientlist->erase(oldnick);
1087 ServerInstance->Log(DEBUG,"Exception in userrec::UpdateNickHash()");
1092 void userrec::InvalidateCache()
1094 /* Invalidate cache */
1095 if (cached_fullhost)
1096 free(cached_fullhost);
1098 free(cached_hostip);
1099 if (cached_makehost)
1100 free(cached_makehost);
1101 if (cached_fullrealhost)
1102 free(cached_fullrealhost);
1103 cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
1106 bool userrec::ForceNickChange(const char* newnick)
1112 this->InvalidateCache();
1114 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1118 ServerInstance->stats->statsCollisions++;
1122 if (ServerInstance->XLines->matches_qline(newnick))
1124 ServerInstance->stats->statsCollisions++;
1128 if (this->registered == REG_ALL)
1130 const char* pars[1];
1132 std::string cmd = "NICK";
1133 return (ServerInstance->Parser->CallHandler(cmd, pars, 1, this) == CMD_SUCCESS);
1140 ServerInstance->Log(DEBUG,"Exception in userrec::ForceNickChange()");
1145 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1147 switch (protocol_family)
1149 #ifdef SUPPORT_IP6LINKS
1152 sockaddr_in6* sin = new sockaddr_in6;
1153 sin->sin6_family = AF_INET6;
1154 sin->sin6_port = port;
1155 inet_pton(AF_INET6, ip, &sin->sin6_addr);
1156 this->ip = (sockaddr*)sin;
1162 sockaddr_in* sin = new sockaddr_in;
1163 sin->sin_family = AF_INET;
1164 sin->sin_port = port;
1165 inet_pton(AF_INET, ip, &sin->sin_addr);
1166 this->ip = (sockaddr*)sin;
1170 ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1175 int userrec::GetPort()
1177 if (this->ip == NULL)
1180 switch (this->GetProtocolFamily())
1182 #ifdef SUPPORT_IP6LINKS
1185 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1186 return sin->sin6_port;
1192 sockaddr_in* sin = (sockaddr_in*)this->ip;
1193 return sin->sin_port;
1202 int userrec::GetProtocolFamily()
1204 if (this->ip == NULL)
1207 sockaddr_in* sin = (sockaddr_in*)this->ip;
1208 return sin->sin_family;
1211 const char* userrec::GetIPString()
1213 static char buf[1024];
1215 if (this->ip == NULL)
1218 switch (this->GetProtocolFamily())
1220 #ifdef SUPPORT_IP6LINKS
1223 static char temp[1024];
1225 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1226 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1227 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1230 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1240 sockaddr_in* sin = (sockaddr_in*)this->ip;
1241 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1251 const char* userrec::GetIPString(char* buf)
1253 if (this->ip == NULL)
1259 switch (this->GetProtocolFamily())
1261 #ifdef SUPPORT_IP6LINKS
1264 static char temp[1024];
1266 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1267 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1268 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1271 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1273 strlcpy(buf, temp, sizeof(temp));
1281 sockaddr_in* sin = (sockaddr_in*)this->ip;
1282 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1293 /** NOTE: We cannot pass a const reference to this method.
1294 * The string is changed by the workings of the method,
1295 * so that if we pass const ref, we end up copying it to
1296 * something we can change anyway. Makes sense to just let
1297 * the compiler do that copy for us.
1299 void userrec::Write(std::string text)
1301 if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1306 /* ServerInstance->Log(DEBUG,"<- %s", text.c_str());
1307 * WARNING: The above debug line is VERY loud, do NOT
1308 * enable it till we have a good way of filtering it
1309 * out of the logs (e.g. 1.2 would be good).
1311 text.append("\r\n");
1315 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1319 if (ServerInstance->Config->GetIOHook(this->GetPort()))
1323 ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1325 catch (CoreException& modexcept)
1327 ServerInstance->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
1332 this->AddWriteBuf(text);
1334 ServerInstance->stats->statsSent += text.length();
1335 this->ServerInstance->SE->WantWrite(this);
1340 void userrec::Write(const char *text, ...)
1343 char textbuffer[MAXBUF];
1345 va_start(argsPtr, text);
1346 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1349 this->Write(std::string(textbuffer));
1352 void userrec::WriteServ(const std::string& text)
1354 char textbuffer[MAXBUF];
1356 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1357 this->Write(std::string(textbuffer));
1361 * Same as Write(), except `text' is prefixed with `:server.name '.
1363 void userrec::WriteServ(const char* text, ...)
1366 char textbuffer[MAXBUF];
1368 va_start(argsPtr, text);
1369 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1372 this->WriteServ(std::string(textbuffer));
1376 void userrec::WriteFrom(userrec *user, const std::string &text)
1380 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1382 this->Write(std::string(tb));
1386 /* write text from an originating user to originating user */
1388 void userrec::WriteFrom(userrec *user, const char* text, ...)
1391 char textbuffer[MAXBUF];
1393 va_start(argsPtr, text);
1394 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1397 this->WriteFrom(user, std::string(textbuffer));
1401 /* write text to an destination user from a source user (e.g. user privmsg) */
1403 void userrec::WriteTo(userrec *dest, const char *data, ...)
1405 char textbuffer[MAXBUF];
1408 va_start(argsPtr, data);
1409 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1412 this->WriteTo(dest, std::string(textbuffer));
1415 void userrec::WriteTo(userrec *dest, const std::string &data)
1417 dest->WriteFrom(this, data);
1421 void userrec::WriteCommon(const char* text, ...)
1423 char textbuffer[MAXBUF];
1426 if (this->registered != REG_ALL)
1429 va_start(argsPtr, text);
1430 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1433 this->WriteCommon(std::string(textbuffer));
1436 void userrec::WriteCommon(const std::string &text)
1440 bool sent_to_at_least_one = false;
1443 if (this->registered != REG_ALL)
1448 /* We dont want to be doing this n times, just once */
1449 snprintf(tb,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1450 std::string out = tb;
1452 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1454 CUList* ulist = v->first->GetUsers();
1455 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1457 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1459 already_sent[i->second->fd] = uniq_id;
1460 i->second->Write(out);
1461 sent_to_at_least_one = true;
1467 * if the user was not in any channels, no users will receive the text. Make sure the user
1468 * receives their OWN message for WriteCommon
1470 if (!sent_to_at_least_one)
1472 this->Write(std::string(tb));
1478 ServerInstance->Log(DEBUG,"Exception in userrec::WriteCommon()");
1483 /* write a formatted string to all users who share at least one common
1484 * channel, NOT including the source user e.g. for use in QUIT
1487 void userrec::WriteCommonExcept(const char* text, ...)
1489 char textbuffer[MAXBUF];
1492 va_start(argsPtr, text);
1493 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1496 this->WriteCommonExcept(std::string(textbuffer));
1499 void userrec::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1504 if (this->registered != REG_ALL)
1508 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str());
1509 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str());
1510 std::string out1 = tb1;
1511 std::string out2 = tb2;
1513 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1515 CUList *ulist = v->first->GetUsers();
1516 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1518 if (this != i->second)
1520 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1522 already_sent[i->second->fd] = uniq_id;
1523 i->second->Write(*i->second->oper ? out2 : out1);
1530 void userrec::WriteCommonExcept(const std::string &text)
1535 if (this->registered != REG_ALL)
1539 snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1542 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1544 CUList *ulist = v->first->GetUsers();
1545 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1547 if (this != i->second)
1549 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1551 already_sent[i->second->fd] = uniq_id;
1552 i->second->Write(out1);
1560 void userrec::WriteWallOps(const std::string &text)
1562 /* Does nothing if theyre not opered */
1563 if ((!*this->oper) && (IS_LOCAL(this)))
1566 std::string wallop = "WALLOPS :";
1570 wallop.append(text);
1574 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1578 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1581 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1582 this->WriteTo(t,wallop);
1586 void userrec::WriteWallOps(const char* text, ...)
1588 char textbuffer[MAXBUF];
1591 va_start(argsPtr, text);
1592 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1595 this->WriteWallOps(std::string(textbuffer));
1598 /* return 0 or 1 depending if users u and u2 share one or more common channels
1599 * (used by QUIT, NICK etc which arent channel specific notices)
1601 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1602 * the first users channels then the second users channels within the outer loop,
1603 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1604 * all possible iterations). However this new function instead checks against the
1605 * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1606 * and saves us time as we already know what pointer value we are after.
1607 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1608 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1610 bool userrec::SharesChannelWith(userrec *other)
1612 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1616 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1618 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1619 * by replacing it with a map::find which *should* be more efficient
1621 if (i->first->HasUser(other))
1627 bool userrec::ChangeName(const char* gecos)
1629 if (!strcmp(gecos, this->fullname))
1635 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1638 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1640 strlcpy(this->fullname,gecos,MAXGECOS+1);
1645 bool userrec::ChangeDisplayedHost(const char* host)
1647 if (!strcmp(host, this->dhost))
1653 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1656 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1658 if (this->ServerInstance->Config->CycleHosts)
1659 this->WriteCommonExcept("QUIT :Changing hosts");
1661 /* Fix by Om: userrec::dhost is 65 long, this was truncating some long hosts */
1662 strlcpy(this->dhost,host,64);
1664 this->InvalidateCache();
1666 if (this->ServerInstance->Config->CycleHosts)
1668 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1670 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1671 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1673 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1678 this->WriteServ("396 %s %s :is now your displayed host",this->nick,this->dhost);
1683 bool userrec::ChangeIdent(const char* newident)
1685 if (!strcmp(newident, this->ident))
1688 if (this->ServerInstance->Config->CycleHosts)
1689 this->WriteCommonExcept("%s","QUIT :Changing ident");
1691 strlcpy(this->ident, newident, IDENTMAX+2);
1693 this->InvalidateCache();
1695 if (this->ServerInstance->Config->CycleHosts)
1697 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1699 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1700 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1702 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1709 void userrec::SendAll(const char* command, char* text, ...)
1711 char textbuffer[MAXBUF];
1712 char formatbuffer[MAXBUF];
1715 va_start(argsPtr, text);
1716 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1719 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer);
1720 std::string fmt = formatbuffer;
1722 for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1729 std::string userrec::ChannelList(userrec* source)
1734 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1736 /* If the target is the same as the sender, let them see all their channels.
1737 * If the channel is NOT private/secret OR the user shares a common channel
1738 * If the user is an oper, and the <options:operspywhois> option is set.
1740 if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!i->first->modes[CM_PRIVATE]) && (!i->first->modes[CM_SECRET])) || (i->first->HasUser(source))))
1742 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1749 ServerInstance->Log(DEBUG,"Exception in userrec::ChannelList()");
1754 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1757 std::ostringstream prefix;
1758 std::string::size_type start, pos, length;
1762 prefix << this->nick << " " << dest->nick << " :";
1763 line = prefix.str();
1764 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1766 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1768 length = (pos == std::string::npos) ? cl.length() : pos;
1770 if (line.length() + namelen + length - start > 510)
1772 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1773 line = prefix.str();
1776 if(pos == std::string::npos)
1778 line.append(cl.substr(start, length - start));
1783 line.append(cl.substr(start, length - start + 1));
1789 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1795 ServerInstance->Log(DEBUG,"Exception in userrec::SplitChanList()");
1800 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1801 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1802 * then their ip will be taken as 'priority' anyway, so for example,
1803 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1805 ConnectClass* userrec::GetClass()
1807 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1809 if ((match(this->GetIPString(),i->GetHost().c_str(),true)) || (match(this->host,i->GetHost().c_str())))
1815 void userrec::PurgeEmptyChannels()
1817 std::vector<chanrec*> to_delete;
1819 // firstly decrement the count on each channel
1820 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1822 f->first->RemoveAllPrefixes(this);
1823 if (f->first->DelUser(this) == 0)
1825 /* No users left in here, mark it for deletion */
1828 to_delete.push_back(f->first);
1832 ServerInstance->Log(DEBUG,"Exception in userrec::PurgeEmptyChannels to_delete.push_back()");
1837 for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1839 chanrec* thischan = *n;
1840 chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name);
1841 if (i2 != ServerInstance->chanlist->end())
1843 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1845 ServerInstance->chanlist->erase(i2);
1846 this->chans.erase(*n);
1853 void userrec::ShowMOTD()
1855 if (!ServerInstance->Config->MOTD.size())
1857 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
1860 this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1862 for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
1863 this->WriteServ("372 %s :- %s",this->nick,i->c_str());
1865 this->WriteServ("376 %s :End of message of the day.", this->nick);
1868 void userrec::ShowRULES()
1870 if (!ServerInstance->Config->RULES.size())
1872 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
1875 this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
1877 for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
1878 this->WriteServ("NOTICE %s :%s",this->nick,i->c_str());
1880 this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
1883 void userrec::HandleEvent(EventType et, int errornum)
1885 /* WARNING: May delete this user! */
1886 int thisfd = this->GetFd();
1893 ServerInstance->ProcessUser(this);
1896 this->FlushWriteBuf();
1899 /** This should be safe, but dont DARE do anything after it -- Brain */
1900 this->SetWriteError(errornum ? strerror(errornum) : "EOF from client");
1906 ServerInstance->Log(DEBUG,"Exception in userrec::HandleEvent intercepted");
1909 /* If the user has raised an error whilst being processed, quit them now we're safe to */
1910 if ((ServerInstance->SE->GetRef(thisfd) == this))
1912 if (!WriteError.empty())
1914 userrec::QuitUser(ServerInstance, this, GetWriteError());
1919 void userrec::SetOperQuit(const std::string &oquit)
1924 operquit = strdup(oquit.c_str());
1927 const char* userrec::GetOperQuit()
1929 return operquit ? operquit : "";