1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* $ModDesc: Povides a spanning tree server link protocol */
25 #include "inspircd_config.h"
27 #include <ext/hash_map>
35 #include "helperfuncs.h"
37 #include "inspstring.h"
43 #define nspace __gnu_cxx
48 class ModuleSpanningTree;
49 static ModuleSpanningTree* TreeProtocolModule;
51 extern std::vector<Module*> modules;
52 extern std::vector<ircd_module*> factory;
55 enum ServerState { LISTENER, CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED };
57 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
58 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
60 extern user_hash clientlist;
61 extern chan_hash chanlist;
68 typedef nspace::hash_map<std::string, TreeServer*> server_hash;
69 server_hash serverlist;
71 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> params, std::string target);
72 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> params, std::string omit);
73 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> params);
74 bool DoOneToAllButSenderRaw(std::string data,std::string omit, std::string prefix,std::string command,std::deque<std::string> params);
75 void ReadConfiguration(bool rebind);
77 extern std::vector<KLine> klines;
78 extern std::vector<GLine> glines;
79 extern std::vector<ZLine> zlines;
80 extern std::vector<QLine> qlines;
81 extern std::vector<ELine> elines;
87 std::vector<TreeServer*> Children;
88 std::string ServerName;
89 std::string ServerDesc;
90 std::string VersionString;
93 TreeSocket* Socket; // for directly connected servers this points at the socket object
105 UserCount = OperCount = 0;
106 VersionString = GetVersionString();
109 TreeServer(std::string Name, std::string Desc) : ServerName(Name), ServerDesc(Desc)
113 UserCount = OperCount = 0;
114 VersionString = GetVersionString();
119 TreeServer(std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock) : Parent(Above), ServerName(Name), ServerDesc(Desc), Socket(Sock)
122 UserCount = OperCount = 0;
123 this->SetNextPingTime(time(NULL) + 60);
126 /* find the 'route' for this server (e.g. the one directly connected
127 * to the local server, which we can use to reach it)
129 * In the following example, consider we have just added a TreeServer
130 * class for server G on our network, of which we are server A.
131 * To route traffic to G (marked with a *) we must send the data to
132 * B (marked with a +) so this algorithm initializes the 'Route'
133 * value to point at whichever server traffic must be routed through
134 * to get here. If we were to try this algorithm with server B,
135 * the Route pointer would point at its own object ('this').
145 * We only run this algorithm when a server is created, as
146 * the routes remain constant while ever the server exists, and
147 * do not need to be re-calculated.
151 if (Route == TreeRoot)
157 while (this->Route->GetParent() != TreeRoot)
159 this->Route = Route->GetParent();
163 /* Because recursive code is slow and takes a lot of resources,
164 * we store two representations of the server tree. The first
165 * is a recursive structure where each server references its
166 * children and its parent, which is used for netbursts and
167 * netsplits to dump the whole dataset to the other server,
168 * and the second is used for very fast lookups when routing
169 * messages and is instead a hash_map, where each item can
170 * be referenced by its server name. The AddHashEntry()
171 * call below automatically inserts each TreeServer class
172 * into the hash_map as it is created. There is a similar
173 * maintainance call in the destructor to tidy up deleted
177 this->AddHashEntry();
182 server_hash::iterator iter;
183 iter = serverlist.find(this->ServerName);
184 if (iter == serverlist.end())
185 serverlist[this->ServerName] = this;
190 server_hash::iterator iter;
191 iter = serverlist.find(this->ServerName);
192 if (iter != serverlist.end())
193 serverlist.erase(iter);
196 TreeServer* GetRoute()
201 std::string GetName()
203 return this->ServerName;
206 std::string GetDesc()
208 return this->ServerDesc;
211 std::string GetVersion()
213 return this->VersionString;
216 void SetNextPingTime(time_t t)
219 LastPingWasGood = false;
222 time_t NextPingTime()
224 return this->NextPing;
227 bool AnsweredLastPing()
229 return LastPingWasGood;
234 LastPingWasGood = true;
239 return this->UserCount;
244 return this->OperCount;
247 TreeSocket* GetSocket()
252 TreeServer* GetParent()
257 void SetVersion(std::string Version)
259 VersionString = Version;
262 unsigned int ChildCount()
264 return Children.size();
267 TreeServer* GetChild(unsigned int n)
269 if (n < Children.size())
279 void AddChild(TreeServer* Child)
281 Children.push_back(Child);
284 bool DelChild(TreeServer* Child)
286 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
297 /* Removes child nodes of this node, and of that node, etc etc.
298 * This is used during netsplits to automatically tidy up the
299 * server tree. It is slow, we don't use it for much else.
303 bool stillchildren = true;
304 while (stillchildren)
306 stillchildren = false;
307 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
309 TreeServer* s = (TreeServer*)*a;
313 stillchildren = true;
322 this->DelHashEntry();
332 std::string SendPass;
333 std::string RecvPass;
334 unsigned long AutoConnect;
335 time_t NextConnectTime;
340 std::vector<Link> LinkBlocks;
342 TreeServer* FindServer(std::string ServerName)
344 server_hash::iterator iter;
345 iter = serverlist.find(ServerName);
346 if (iter != serverlist.end())
356 /* Returns the locally connected server we must route a
357 * message through to reach server 'ServerName'. This
358 * only applies to one-to-one and not one-to-many routing.
359 * See the comments for the constructor of TreeServer
362 TreeServer* BestRouteTo(std::string ServerName)
364 if (ServerName.c_str() == TreeRoot->GetName())
366 TreeServer* Found = FindServer(ServerName);
369 return Found->GetRoute();
379 /* TODO: These need optimizing to use an iterator of serverlist
381 void RFindServerMask(TreeServer* Current, std::string ServerName)
383 if (Srv->MatchText(Current->GetName(),ServerName) && (!Found))
390 for (unsigned int q = 0; q < Current->ChildCount(); q++)
393 RFindServerMask(Current->GetChild(q),ServerName);
398 TreeServer* FindServerMask(std::string ServerName)
401 RFindServerMask(TreeRoot,ServerName);
405 bool IsServer(std::string ServerName)
407 return (FindServer(ServerName) != NULL);
410 class TreeSocket : public InspSocket
413 std::string in_buffer;
414 ServerState LinkState;
415 std::string InboundServerName;
416 std::string InboundDescription;
418 int num_lost_servers;
420 bool LastPingWasGood;
424 TreeSocket(std::string host, int port, bool listening, unsigned long maxtime)
425 : InspSocket(host, port, listening, maxtime)
428 this->LinkState = LISTENER;
431 TreeSocket(std::string host, int port, bool listening, unsigned long maxtime, std::string ServerName)
432 : InspSocket(host, port, listening, maxtime)
435 this->LinkState = CONNECTING;
438 TreeSocket(int newfd, char* ip)
439 : InspSocket(newfd, ip)
441 this->LinkState = WAIT_AUTH_1;
444 virtual bool OnConnected()
446 if (this->LinkState == CONNECTING)
448 Srv->SendOpers("*** Connection to "+myhost+"["+this->GetIP()+"] established.");
449 // we should send our details here.
450 // if the other side is satisfied, they send theirs.
451 // we do not need to change state here.
452 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
454 if (x->Name == this->myhost)
456 // found who we're supposed to be connecting to, send the neccessary gubbins.
457 this->WriteLine("SERVER "+Srv->GetServerName()+" "+x->SendPass+" 0 :"+Srv->GetServerDescription());
465 virtual void OnError(InspSocketError e)
469 virtual int OnDisconnect()
474 // recursively send the server tree with distances as hops
475 void SendServers(TreeServer* Current, TreeServer* s, int hops)
478 for (unsigned int q = 0; q < Current->ChildCount(); q++)
480 TreeServer* recursive_server = Current->GetChild(q);
481 if (recursive_server != s)
483 // :source.server SERVER server.name hops :Description
484 snprintf(command,1024,":%s SERVER %s * %d :%s",Current->GetName().c_str(),recursive_server->GetName().c_str(),hops,recursive_server->GetDesc().c_str());
485 this->WriteLine(command);
486 this->WriteLine(":"+recursive_server->GetName()+" VERSION :"+recursive_server->GetVersion());
487 // down to next level
488 this->SendServers(recursive_server, s, hops+1);
493 void SquitServer(TreeServer* Current)
495 // recursively squit the servers attached to 'Current'
496 for (unsigned int q = 0; q < Current->ChildCount(); q++)
498 TreeServer* recursive_server = Current->GetChild(q);
499 this->SquitServer(recursive_server);
501 // Now we've whacked the kids, whack self
503 bool quittingpeople = true;
504 while (quittingpeople)
506 quittingpeople = false;
507 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
509 if (!strcasecmp(u->second->server,Current->GetName().c_str()))
511 Srv->QuitUser(u->second,Current->GetName()+" "+std::string(Srv->GetServerName()));
513 quittingpeople = true;
520 void Squit(TreeServer* Current,std::string reason)
524 std::deque<std::string> params;
525 params.push_back(Current->GetName());
526 params.push_back(":"+reason);
527 DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName());
528 if (Current->GetParent() == TreeRoot)
530 Srv->SendOpers("Server \002"+Current->GetName()+"\002 split: "+reason);
534 Srv->SendOpers("Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
536 num_lost_servers = 0;
538 SquitServer(Current);
540 Current->GetParent()->DelChild(Current);
542 WriteOpers("Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
546 log(DEFAULT,"Squit from unknown server");
550 bool ForceMode(std::string source, std::deque<std::string> params)
552 userrec* who = new userrec;
553 who->fd = FD_MAGIC_NUMBER;
554 if (params.size() < 2)
557 for (unsigned int q = 0; q < params.size(); q++)
559 modelist[q] = (char*)params[q].c_str();
561 Srv->SendMode(modelist,params.size(),who);
562 DoOneToAllButSender(source,"FMODE",params,source);
567 bool ForceTopic(std::string source, std::deque<std::string> params)
569 // FTOPIC %s %lu %s :%s
570 if (params.size() != 4)
572 std::string channel = params[0];
573 time_t ts = atoi(params[1].c_str());
574 std::string setby = params[2];
575 std::string topic = params[3];
577 chanrec* c = Srv->FindChannel(channel);
580 if ((ts >= c->topicset) || (!*c->topic))
582 std::string oldtopic = c->topic;
583 strlcpy(c->topic,topic.c_str(),MAXTOPIC);
584 strlcpy(c->setby,setby.c_str(),NICKMAX);
586 // if the topic text is the same as the current topic,
587 // dont bother to send the TOPIC command out, just silently
588 // update the set time and set nick.
589 if (oldtopic != topic)
590 WriteChannelWithServ((char*)source.c_str(), c, "TOPIC %s :%s", c->name, c->topic);
595 // all done, send it on its way
596 params[3] = ":" + params[3];
597 DoOneToAllButSender(source,"FTOPIC",params,source);
602 bool ForceJoin(std::string source, std::deque<std::string> params)
604 if (params.size() < 3)
608 char modestring[MAXBUF];
609 char* mode_users[127];
610 mode_users[0] = first;
611 mode_users[1] = modestring;
612 strcpy(mode_users[1],"+");
613 unsigned int modectr = 2;
616 std::string channel = params[0];
617 time_t TS = atoi(params[1].c_str());
620 chanrec* chan = Srv->FindChannel(channel);
625 strlcpy(mode_users[0],channel.c_str(),MAXBUF);
627 // default is a high value, which if we dont have this
628 // channel will let the other side apply their modes.
629 time_t ourTS = time(NULL)+600;
630 chanrec* us = Srv->FindChannel(channel);
636 log(DEBUG,"FJOIN detected, our TS=%lu, their TS=%lu",ourTS,TS);
638 // do this first, so our mode reversals are correctly received by other servers
639 // if there is a TS collision.
640 DoOneToAllButSender(source,"FJOIN",params,source);
642 for (unsigned int usernum = 2; usernum < params.size(); usernum++)
644 // process one channel at a time, applying modes.
645 char* usr = (char*)params[usernum].c_str();
646 char permissions = *usr;
651 mode_users[modectr++] = usr;
652 strlcat(modestring,"o",MAXBUF);
656 mode_users[modectr++] = usr;
657 strlcat(modestring,"h",MAXBUF);
661 mode_users[modectr++] = usr;
662 strlcat(modestring,"v",MAXBUF);
665 who = Srv->FindNick(usr);
668 Srv->JoinUserToChannel(who,channel,key);
669 if (modectr >= (MAXMODES-1))
671 // theres a mode for this user. push them onto the mode queue, and flush it
672 // if there are more than MAXMODES to go.
675 log(DEBUG,"Our our channel newer than theirs, accepting their modes");
676 Srv->SendMode(mode_users,modectr,who);
680 log(DEBUG,"Their channel newer than ours, bouncing their modes");
682 std::deque<std::string> params;
683 // modes are now being UNSET...
684 *mode_users[1] = '-';
685 for (unsigned int x = 0; x < modectr; x++)
687 params.push_back(mode_users[x]);
689 // tell everyone to bounce the modes. bad modes, bad!
690 DoOneToMany(Srv->GetServerName(),"FMODE",params);
692 strcpy(mode_users[1],"+");
697 // there werent enough modes built up to flush it during FJOIN,
698 // or, there are a number left over. flush them out.
699 if ((modectr > 2) && (who))
703 log(DEBUG,"Our our channel newer than theirs, accepting their modes");
704 Srv->SendMode(mode_users,modectr,who);
708 log(DEBUG,"Their channel newer than ours, bouncing their modes");
709 std::deque<std::string> params;
710 *mode_users[1] = '-';
711 for (unsigned int x = 0; x < modectr; x++)
713 params.push_back(mode_users[x]);
715 DoOneToMany(Srv->GetServerName(),"FMODE",params);
721 bool IntroduceClient(std::string source, std::deque<std::string> params)
723 if (params.size() < 8)
725 // NICK age nick host dhost ident +modes ip :gecos
727 std::string nick = params[1];
728 std::string host = params[2];
729 std::string dhost = params[3];
730 std::string ident = params[4];
731 time_t age = atoi(params[0].c_str());
732 std::string modes = params[5];
733 while (*(modes.c_str()) == '+')
735 char* m = (char*)modes.c_str();
739 std::string ip = params[6];
740 std::string gecos = params[7];
741 char* tempnick = (char*)nick.c_str();
742 log(DEBUG,"Introduce client %s!%s@%s",tempnick,ident.c_str(),host.c_str());
744 user_hash::iterator iter;
745 iter = clientlist.find(tempnick);
746 if (iter != clientlist.end())
749 log(DEBUG,"Nick collision on %s!%s@%s: %lu %lu",tempnick,ident.c_str(),host.c_str(),(unsigned long)age,(unsigned long)iter->second->age);
750 this->WriteLine(":"+Srv->GetServerName()+" KILL "+tempnick+" :Nickname collision");
754 clientlist[tempnick] = new userrec();
755 clientlist[tempnick]->fd = FD_MAGIC_NUMBER;
756 strlcpy(clientlist[tempnick]->nick, tempnick,NICKMAX);
757 strlcpy(clientlist[tempnick]->host, host.c_str(),160);
758 strlcpy(clientlist[tempnick]->dhost, dhost.c_str(),160);
759 clientlist[tempnick]->server = (char*)FindServerNamePtr(source.c_str());
760 strlcpy(clientlist[tempnick]->ident, ident.c_str(),IDENTMAX);
761 strlcpy(clientlist[tempnick]->fullname, gecos.c_str(),MAXGECOS);
762 clientlist[tempnick]->registered = 7;
763 clientlist[tempnick]->signon = age;
764 strlcpy(clientlist[tempnick]->modes, modes.c_str(),53);
765 strlcpy(clientlist[tempnick]->ip,ip.c_str(),16);
766 for (int i = 0; i < MAXCHANS; i++)
768 clientlist[tempnick]->chans[i].channel = NULL;
769 clientlist[tempnick]->chans[i].uc_modes = 0;
771 params[7] = ":" + params[7];
772 DoOneToAllButSender(source,"NICK",params,source);
776 void SendFJoins(TreeServer* Current, chanrec* c)
779 snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
780 std::vector<char*> *ulist = c->GetUsers();
781 for (unsigned int i = 0; i < ulist->size(); i++)
783 char* o = (*ulist)[i];
784 userrec* otheruser = (userrec*)o;
785 strlcat(list," ",MAXBUF);
786 strlcat(list,cmode(otheruser,c),MAXBUF);
787 strlcat(list,otheruser->nick,MAXBUF);
788 if (strlen(list)>(480-NICKMAX))
790 this->WriteLine(list);
791 snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
794 if (list[strlen(list)-1] != ':')
796 this->WriteLine(list);
800 void SendXLines(TreeServer* Current)
803 // for zlines and qlines, we should first check if theyre global...
804 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
806 snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->ipaddr,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
807 this->WriteLine(data);
809 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
811 snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->nick,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
812 this->WriteLine(data);
814 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
816 snprintf(data,MAXBUF,":%s ADDLINE G %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
817 this->WriteLine(data);
819 for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++)
821 snprintf(data,MAXBUF,":%s ADDLINE E %s %s %lu %lu :%s",Srv->GetServerName().c_str(),i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
822 this->WriteLine(data);
826 void SendChannelModes(TreeServer* Current)
829 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
831 SendFJoins(Current, c->second);
832 snprintf(data,MAXBUF,":%s FMODE %s +%s",Srv->GetServerName().c_str(),c->second->name,chanmodes(c->second));
833 this->WriteLine(data);
834 if (*c->second->topic)
836 snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s",Srv->GetServerName().c_str(),c->second->name,(unsigned long)c->second->topicset,c->second->setby,c->second->topic);
837 this->WriteLine(data);
839 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
841 snprintf(data,MAXBUF,":%s FMODE %s +b %s",Srv->GetServerName().c_str(),c->second->name,b->data);
842 this->WriteLine(data);
844 FOREACH_MOD OnSyncChannel(c->second,(Module*)TreeProtocolModule,(void*)this);
848 // send all users and their channels
849 void SendUsers(TreeServer* Current)
852 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
854 if (u->second->registered == 7)
856 snprintf(data,MAXBUF,":%s NICK %lu %s %s %s %s +%s %s :%s",u->second->server,(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->modes,u->second->ip,u->second->fullname);
857 this->WriteLine(data);
858 if (strchr(u->second->modes,'o'))
860 this->WriteLine(":"+std::string(u->second->nick)+" OPERTYPE "+std::string(u->second->oper));
862 //char* chl = chlist(u->second,u->second);
865 // this->WriteLine(":"+std::string(u->second->nick)+" FJOIN "+std::string(chl));
867 FOREACH_MOD OnSyncUser(u->second,(Module*)TreeProtocolModule,(void*)this);
872 void DoBurst(TreeServer* s)
874 Srv->SendOpers("*** Bursting to "+s->GetName()+".");
875 this->WriteLine("BURST");
876 // send our version string
877 this->WriteLine(":"+Srv->GetServerName()+" VERSION :"+GetVersionString());
879 this->SendServers(TreeRoot,s,1);
880 // Send users and their channels
882 // Send everything else (channel modes etc)
883 this->SendChannelModes(s);
885 this->WriteLine("ENDBURST");
888 virtual bool OnDataReady()
890 char* data = this->Read();
893 this->in_buffer += data;
894 while (in_buffer.find("\n") != std::string::npos)
896 char* line = (char*)in_buffer.c_str();
897 std::string ret = "";
898 while ((*line != '\n') && (strlen(line)))
903 if ((*line == '\n') || (*line == '\r'))
906 if (!this->ProcessLine(ret))
912 return (data != NULL);
915 int WriteLine(std::string line)
917 return this->Write(line + "\r\n");
920 bool Error(std::deque<std::string> params)
922 if (params.size() < 1)
924 std::string Errmsg = params[0];
925 std::string SName = myhost;
926 if (InboundServerName != "")
928 SName = InboundServerName;
930 Srv->SendOpers("*** ERROR from "+SName+": "+Errmsg);
931 // we will return false to cause the socket to close.
935 bool OperType(std::string prefix, std::deque<std::string> params)
937 if (params.size() != 1)
939 std::string opertype = params[0];
940 userrec* u = Srv->FindNick(prefix);
943 strlcpy(u->oper,opertype.c_str(),NICKMAX);
944 if (!strchr(u->modes,'o'))
946 strcat(u->modes,"o");
948 DoOneToAllButSender(u->nick,"OPERTYPE",params,u->server);
953 bool ForceNick(std::string prefix, std::deque<std::string> params)
955 if (params.size() < 3)
957 userrec* u = Srv->FindNick(params[0]);
960 Srv->ChangeUserNick(u,params[1]);
961 DoOneToAllButSender(prefix,"SVSNICK",params,prefix);
966 bool ServiceJoin(std::string prefix, std::deque<std::string> params)
968 if (params.size() < 2)
970 userrec* u = Srv->FindNick(params[0]);
973 Srv->JoinUserToChannel(u,params[1],"");
974 DoOneToAllButSender(prefix,"SVSJOIN",params,prefix);
979 bool RemoteRehash(std::string prefix, std::deque<std::string> params)
981 if (params.size() < 1)
983 std::string servermask = params[0];
984 if (Srv->MatchText(Srv->GetServerName(),servermask))
986 Srv->SendOpers("*** Remote rehash initiated from server \002"+prefix+"\002.");
988 ReadConfiguration(false);
990 DoOneToAllButSender(prefix,"REHASH",params,prefix);
994 bool RemoteKill(std::string prefix, std::deque<std::string> params)
996 if (params.size() != 2)
998 std::string nick = params[0];
999 std::string reason = params[1];
1000 userrec* u = Srv->FindNick(prefix);
1001 userrec* who = Srv->FindNick(nick);
1004 std::string sourceserv = prefix;
1007 sourceserv = u->server;
1009 params[1] = ":" + params[1];
1010 DoOneToAllButSender(prefix,"KILL",params,sourceserv);
1011 Srv->QuitUser(who,reason);
1016 bool LocalPong(std::string prefix, std::deque<std::string> params)
1018 if (params.size() < 1)
1020 TreeServer* ServerSource = FindServer(prefix);
1023 ServerSource->SetPingFlag();
1028 bool ServerVersion(std::string prefix, std::deque<std::string> params)
1030 if (params.size() < 1)
1032 TreeServer* ServerSource = FindServer(prefix);
1035 ServerSource->SetVersion(params[0]);
1037 params[0] = ":" + params[0];
1038 DoOneToAllButSender(prefix,"VERSION",params,prefix);
1042 bool ChangeHost(std::string prefix, std::deque<std::string> params)
1044 if (params.size() < 1)
1046 userrec* u = Srv->FindNick(prefix);
1049 Srv->ChangeHost(u,params[0]);
1050 DoOneToAllButSender(prefix,"FHOST",params,u->server);
1055 bool AddLine(std::string prefix, std::deque<std::string> params)
1057 if (params.size() < 6)
1059 std::string linetype = params[0]; /* Z, Q, E, G, K */
1060 std::string mask = params[1]; /* Line type dependent */
1061 std::string source = params[2]; /* may not be online or may be a server */
1062 std::string settime = params[3]; /* EPOCH time set */
1063 std::string duration = params[4]; /* Duration secs */
1064 std::string reason = params[5];
1066 switch (*(linetype.c_str()))
1069 add_zline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1072 add_qline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1075 add_eline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1078 add_gline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1081 add_kline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1084 /* Just in case... */
1085 Srv->SendOpers("*** \2WARNING\2: Invalid xline type '"+linetype+"' sent by server "+prefix+", ignored!");
1088 /* Send it on its way */
1089 params[5] = ":" + params[5];
1090 DoOneToAllButSender(prefix,"ADDLINE",params,prefix);
1094 bool ChangeName(std::string prefix, std::deque<std::string> params)
1096 if (params.size() < 1)
1098 userrec* u = Srv->FindNick(prefix);
1101 Srv->ChangeGECOS(u,params[0]);
1102 params[0] = ":" + params[0];
1103 DoOneToAllButSender(prefix,"FNAME",params,u->server);
1108 bool LocalPing(std::string prefix, std::deque<std::string> params)
1110 if (params.size() < 1)
1112 std::string stufftobounce = params[0];
1113 this->WriteLine(":"+Srv->GetServerName()+" PONG "+stufftobounce);
1117 bool RemoteServer(std::string prefix, std::deque<std::string> params)
1119 if (params.size() < 4)
1121 std::string servername = params[0];
1122 std::string password = params[1];
1123 // hopcount is not used for a remote server, we calculate this ourselves
1124 std::string description = params[3];
1125 TreeServer* ParentOfThis = FindServer(prefix);
1128 this->WriteLine("ERROR :Protocol error - Introduced remote server from unknown server "+prefix);
1131 TreeServer* CheckDupe = FindServer(servername);
1134 this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
1137 TreeServer* Node = new TreeServer(servername,description,ParentOfThis,NULL);
1138 ParentOfThis->AddChild(Node);
1139 params[3] = ":" + params[3];
1140 DoOneToAllButSender(prefix,"SERVER",params,prefix);
1141 Srv->SendOpers("*** Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")");
1145 bool Outbound_Reply_Server(std::deque<std::string> params)
1147 if (params.size() < 4)
1149 std::string servername = params[0];
1150 std::string password = params[1];
1151 int hops = atoi(params[2].c_str());
1154 this->WriteLine("ERROR :Server too far away for authentication");
1157 std::string description = params[3];
1158 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
1160 if ((x->Name == servername) && (x->RecvPass == password))
1162 TreeServer* CheckDupe = FindServer(servername);
1165 this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
1168 // Begin the sync here. this kickstarts the
1169 // other side, waiting in WAIT_AUTH_2 state,
1170 // into starting their burst, as it shows
1171 // that we're happy.
1172 this->LinkState = CONNECTED;
1173 // we should add the details of this server now
1174 // to the servers tree, as a child of the root
1176 TreeServer* Node = new TreeServer(servername,description,TreeRoot,this);
1177 TreeRoot->AddChild(Node);
1178 params[3] = ":" + params[3];
1179 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,servername);
1180 this->DoBurst(Node);
1184 this->WriteLine("ERROR :Invalid credentials");
1188 bool Inbound_Server(std::deque<std::string> params)
1190 if (params.size() < 4)
1192 std::string servername = params[0];
1193 std::string password = params[1];
1194 int hops = atoi(params[2].c_str());
1197 this->WriteLine("ERROR :Server too far away for authentication");
1200 std::string description = params[3];
1201 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
1203 if ((x->Name == servername) && (x->RecvPass == password))
1205 TreeServer* CheckDupe = FindServer(servername);
1208 this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
1211 Srv->SendOpers("*** Verified incoming server connection from \002"+servername+"\002["+this->GetIP()+"] ("+description+")");
1212 this->InboundServerName = servername;
1213 this->InboundDescription = description;
1214 // this is good. Send our details: Our server name and description and hopcount of 0,
1215 // along with the sendpass from this block.
1216 this->WriteLine("SERVER "+Srv->GetServerName()+" "+x->SendPass+" 0 :"+Srv->GetServerDescription());
1217 // move to the next state, we are now waiting for THEM.
1218 this->LinkState = WAIT_AUTH_2;
1222 this->WriteLine("ERROR :Invalid credentials");
1226 std::deque<std::string> Split(std::string line, bool stripcolon)
1228 std::deque<std::string> n;
1229 if (!strchr(line.c_str(),' '))
1234 std::stringstream s(line);
1235 std::string param = "";
1254 if ((param == ":") && (item > 0))
1277 bool ProcessLine(std::string line)
1279 char* l = (char*)line.c_str();
1280 while ((strlen(l)) && (l[strlen(l)-1] == '\r') || (l[strlen(l)-1] == '\n'))
1281 l[strlen(l)-1] = '\0';
1285 Srv->Log(DEBUG,"IN: '"+line+"'");
1286 std::deque<std::string> params = this->Split(line,true);
1287 std::string command = "";
1288 std::string prefix = "";
1289 if (((params[0].c_str())[0] == ':') && (params.size() > 1))
1292 command = params[1];
1293 char* pref = (char*)prefix.c_str();
1301 command = params[0];
1305 switch (this->LinkState)
1310 // Waiting for SERVER command from remote server. Server initiating
1311 // the connection sends the first SERVER command, listening server
1312 // replies with theirs if its happy, then if the initiator is happy,
1313 // it starts to send its net sync, which starts the merge, otherwise
1314 // it sends an ERROR.
1315 if (command == "SERVER")
1317 return this->Inbound_Server(params);
1319 else if (command == "ERROR")
1321 return this->Error(params);
1325 // Waiting for start of other side's netmerge to say they liked our
1327 if (command == "SERVER")
1329 // cant do this, they sent it to us in the WAIT_AUTH_1 state!
1333 else if (command == "BURST")
1335 this->LinkState = CONNECTED;
1336 Node = new TreeServer(InboundServerName,InboundDescription,TreeRoot,this);
1337 TreeRoot->AddChild(Node);
1339 params.push_back(InboundServerName);
1340 params.push_back("*");
1341 params.push_back("1");
1342 params.push_back(":"+InboundDescription);
1343 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,InboundServerName);
1344 this->DoBurst(Node);
1346 else if (command == "ERROR")
1348 return this->Error(params);
1353 this->WriteLine("ERROR :Internal error -- listening socket accepted its own descriptor!!!");
1357 if (command == "SERVER")
1359 // another server we connected to, which was in WAIT_AUTH_1 state,
1360 // has just sent us their credentials. If we get this far, theyre
1361 // happy with OUR credentials, and they are now in WAIT_AUTH_2 state.
1362 // if we're happy with this, we should send our netburst which
1363 // kickstarts the merge.
1364 return this->Outbound_Reply_Server(params);
1366 else if (command == "ERROR")
1368 return this->Error(params);
1372 // This is the 'authenticated' state, when all passwords
1373 // have been exchanged and anything past this point is taken
1375 std::string target = "";
1376 if ((command == "NICK") && (params.size() > 1))
1378 return this->IntroduceClient(prefix,params);
1380 else if (command == "FJOIN")
1382 return this->ForceJoin(prefix,params);
1384 else if (command == "SERVER")
1386 return this->RemoteServer(prefix,params);
1388 else if (command == "ERROR")
1390 return this->Error(params);
1392 else if (command == "OPERTYPE")
1394 return this->OperType(prefix,params);
1396 else if (command == "FMODE")
1398 return this->ForceMode(prefix,params);
1400 else if (command == "KILL")
1402 return this->RemoteKill(prefix,params);
1404 else if (command == "FTOPIC")
1406 return this->ForceTopic(prefix,params);
1408 else if (command == "REHASH")
1410 return this->RemoteRehash(prefix,params);
1412 else if (command == "PING")
1414 return this->LocalPing(prefix,params);
1416 else if (command == "PONG")
1418 return this->LocalPong(prefix,params);
1420 else if (command == "VERSION")
1422 return this->ServerVersion(prefix,params);
1424 else if (command == "FHOST")
1426 return this->ChangeHost(prefix,params);
1428 else if (command == "FNAME")
1430 return this->ChangeName(prefix,params);
1432 else if (command == "ADDLINE")
1434 return this->AddLine(prefix,params);
1436 else if (command == "SVSNICK")
1440 prefix = this->GetName();
1442 return this->ForceNick(prefix,params);
1444 else if (command == "SVSJOIN")
1448 prefix = this->GetName();
1450 return this->ServiceJoin(prefix,params);
1452 else if (command == "SQUIT")
1454 if (params.size() == 2)
1456 this->Squit(FindServer(params[0]),params[1]);
1462 // not a special inter-server command.
1463 // Emulate the actual user doing the command,
1464 // this saves us having a huge ugly parser.
1465 userrec* who = Srv->FindNick(prefix);
1466 std::string sourceserv = this->myhost;
1467 if (this->InboundServerName != "")
1469 sourceserv = this->InboundServerName;
1474 target = who->server;
1475 char* strparams[127];
1476 for (unsigned int q = 0; q < params.size(); q++)
1478 strparams[q] = (char*)params[q].c_str();
1480 Srv->CallCommandHandler(command, strparams, params.size(), who);
1484 // its not a user. Its either a server, or somethings screwed up.
1485 if (IsServer(prefix))
1487 target = Srv->GetServerName();
1491 log(DEBUG,"Command with unknown origin '%s'",prefix.c_str());
1495 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
1504 virtual std::string GetName()
1506 std::string sourceserv = this->myhost;
1507 if (this->InboundServerName != "")
1509 sourceserv = this->InboundServerName;
1514 virtual void OnTimeout()
1516 if (this->LinkState == CONNECTING)
1518 Srv->SendOpers("*** CONNECT: Connection to \002"+myhost+"\002 timed out.");
1522 virtual void OnClose()
1524 // Connection closed.
1525 // If the connection is fully up (state CONNECTED)
1526 // then propogate a netsplit to all peers.
1527 std::string quitserver = this->myhost;
1528 if (this->InboundServerName != "")
1530 quitserver = this->InboundServerName;
1532 TreeServer* s = FindServer(quitserver);
1535 Squit(s,"Remote host closed the connection");
1539 virtual int OnIncomingConnection(int newsock, char* ip)
1541 TreeSocket* s = new TreeSocket(newsock, ip);
1547 void AddThisServer(TreeServer* server, std::deque<TreeServer*> &list)
1549 for (unsigned int c = 0; c < list.size(); c++)
1551 if (list[c] == server)
1556 list.push_back(server);
1559 // returns a list of DIRECT servernames for a specific channel
1560 void GetListOfServersForChannel(chanrec* c, std::deque<TreeServer*> &list)
1562 std::vector<char*> *ulist = c->GetUsers();
1563 unsigned int ucount = ulist->size();
1564 for (unsigned int i = 0; i < ucount; i++)
1566 char* o = (*ulist)[i];
1567 userrec* otheruser = (userrec*)o;
1568 if (std::string(otheruser->server) != Srv->GetServerName())
1570 TreeServer* best = BestRouteTo(otheruser->server);
1572 AddThisServer(best,list);
1578 bool DoOneToAllButSenderRaw(std::string data,std::string omit,std::string prefix,std::string command,std::deque<std::string> params)
1580 TreeServer* omitroute = BestRouteTo(omit);
1581 if ((command == "NOTICE") || (command == "PRIVMSG"))
1583 if ((params.size() >= 2) && (*(params[0].c_str()) != '$'))
1585 if (*(params[0].c_str()) != '#')
1587 // special routing for private messages/notices
1588 userrec* d = Srv->FindNick(params[0]);
1591 std::deque<std::string> par;
1592 par.push_back(params[0]);
1593 par.push_back(":"+params[1]);
1594 DoOneToOne(prefix,command,par,d->server);
1600 log(DEBUG,"Channel privmsg going to chan %s",params[0].c_str());
1601 chanrec* c = Srv->FindChannel(params[0]);
1604 std::deque<TreeServer*> list;
1605 GetListOfServersForChannel(c,list);
1606 log(DEBUG,"Got a list of %d servers",list.size());
1607 unsigned int lsize = list.size();
1608 for (unsigned int i = 0; i < lsize; i++)
1610 TreeSocket* Sock = list[i]->GetSocket();
1611 if ((Sock) && (list[i]->GetName() != omit) && (omitroute != list[i]))
1613 log(DEBUG,"Writing privmsg to server %s",list[i]->GetName().c_str());
1614 Sock->WriteLine(data);
1622 unsigned int items = TreeRoot->ChildCount();
1623 for (unsigned int x = 0; x < items; x++)
1625 TreeServer* Route = TreeRoot->GetChild(x);
1626 if ((Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
1628 TreeSocket* Sock = Route->GetSocket();
1629 Sock->WriteLine(data);
1635 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> params, std::string omit)
1637 TreeServer* omitroute = BestRouteTo(omit);
1638 std::string FullLine = ":" + prefix + " " + command;
1639 unsigned int words = params.size();
1640 for (unsigned int x = 0; x < words; x++)
1642 FullLine = FullLine + " " + params[x];
1644 unsigned int items = TreeRoot->ChildCount();
1645 for (unsigned int x = 0; x < items; x++)
1647 TreeServer* Route = TreeRoot->GetChild(x);
1648 // Send the line IF:
1649 // The route has a socket (its a direct connection)
1650 // The route isnt the one to be omitted
1651 // The route isnt the path to the one to be omitted
1652 if ((Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
1654 TreeSocket* Sock = Route->GetSocket();
1655 Sock->WriteLine(FullLine);
1661 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> params)
1663 std::string FullLine = ":" + prefix + " " + command;
1664 unsigned int words = params.size();
1665 for (unsigned int x = 0; x < words; x++)
1667 FullLine = FullLine + " " + params[x];
1669 unsigned int items = TreeRoot->ChildCount();
1670 for (unsigned int x = 0; x < items; x++)
1672 TreeServer* Route = TreeRoot->GetChild(x);
1673 if (Route->GetSocket())
1675 TreeSocket* Sock = Route->GetSocket();
1676 Sock->WriteLine(FullLine);
1682 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> params, std::string target)
1684 TreeServer* Route = BestRouteTo(target);
1687 std::string FullLine = ":" + prefix + " " + command;
1688 unsigned int words = params.size();
1689 for (unsigned int x = 0; x < words; x++)
1691 FullLine = FullLine + " " + params[x];
1693 if (Route->GetSocket())
1695 TreeSocket* Sock = Route->GetSocket();
1696 Sock->WriteLine(FullLine);
1706 std::vector<TreeSocket*> Bindings;
1708 void ReadConfiguration(bool rebind)
1712 for (int j =0; j < Conf->Enumerate("bind"); j++)
1714 std::string Type = Conf->ReadValue("bind","type",j);
1715 std::string IP = Conf->ReadValue("bind","address",j);
1716 long Port = Conf->ReadInteger("bind","port",j,true);
1717 if (Type == "servers")
1723 TreeSocket* listener = new TreeSocket(IP.c_str(),Port,true,10);
1724 if (listener->GetState() == I_LISTENING)
1726 Srv->AddSocket(listener);
1727 Bindings.push_back(listener);
1731 log(DEFAULT,"m_spanningtree: Warning: Failed to bind server port %d",Port);
1739 for (int j =0; j < Conf->Enumerate("link"); j++)
1742 L.Name = Conf->ReadValue("link","name",j);
1743 L.IPAddr = Conf->ReadValue("link","ipaddr",j);
1744 L.Port = Conf->ReadInteger("link","port",j,true);
1745 L.SendPass = Conf->ReadValue("link","sendpass",j);
1746 L.RecvPass = Conf->ReadValue("link","recvpass",j);
1747 L.AutoConnect = Conf->ReadInteger("link","autoconnect",j,true);
1748 L.NextConnectTime = time(NULL) + L.AutoConnect;
1749 LinkBlocks.push_back(L);
1750 log(DEBUG,"m_spanningtree: Read server %s with host %s:%d",L.Name.c_str(),L.IPAddr.c_str(),L.Port);
1755 class ModuleSpanningTree : public Module
1757 std::vector<TreeSocket*> Bindings;
1763 ModuleSpanningTree()
1766 Conf = new ConfigReader;
1769 // Create the root of the tree
1770 TreeRoot = new TreeServer(Srv->GetServerName(),Srv->GetServerDescription());
1772 ReadConfiguration(true);
1775 void ShowLinks(TreeServer* Current, userrec* user, int hops)
1777 std::string Parent = TreeRoot->GetName();
1778 if (Current->GetParent())
1780 Parent = Current->GetParent()->GetName();
1782 for (unsigned int q = 0; q < Current->ChildCount(); q++)
1784 ShowLinks(Current->GetChild(q),user,hops+1);
1786 WriteServ(user->fd,"364 %s %s %s :%d %s",user->nick,Current->GetName().c_str(),Parent.c_str(),hops,Current->GetDesc().c_str());
1789 int CountLocalServs()
1791 return TreeRoot->ChildCount();
1794 void CountServsRecursive(TreeServer* Current)
1797 for (unsigned int q = 0; q < Current->ChildCount(); q++)
1799 CountServsRecursive(Current->GetChild(q));
1806 CountServsRecursive(TreeRoot);
1810 void HandleLinks(char** parameters, int pcnt, userrec* user)
1812 ShowLinks(TreeRoot,user,0);
1813 WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1817 void HandleLusers(char** parameters, int pcnt, userrec* user)
1819 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),this->CountServs());
1820 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1821 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1822 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1823 WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),this->CountLocalServs());
1827 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
1829 void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][80])
1833 for (int t = 0; t < depth; t++)
1835 matrix[line][t] = ' ';
1837 strlcpy(&matrix[line][depth],Current->GetName().c_str(),80);
1839 for (unsigned int q = 0; q < Current->ChildCount(); q++)
1841 ShowMap(Current->GetChild(q),user,depth+2,matrix);
1846 // Ok, prepare to be confused.
1847 // After much mulling over how to approach this, it struck me that
1848 // the 'usual' way of doing a /MAP isnt the best way. Instead of
1849 // keeping track of a ton of ascii characters, and line by line
1850 // under recursion working out where to place them using multiplications
1851 // and divisons, we instead render the map onto a backplane of characters
1852 // (a character matrix), then draw the branches as a series of "L" shapes
1853 // from the nodes. This is not only friendlier on CPU it uses less stack.
1855 void HandleMap(char** parameters, int pcnt, userrec* user)
1857 // This array represents a virtual screen which we will
1858 // "scratch" draw to, as the console device of an irc
1859 // client does not provide for a proper terminal.
1860 char matrix[128][80];
1861 for (unsigned int t = 0; t < 128; t++)
1863 matrix[t][0] = '\0';
1866 // The only recursive bit is called here.
1867 ShowMap(TreeRoot,user,0,matrix);
1868 // Process each line one by one. The algorithm has a limit of
1869 // 128 servers (which is far more than a spanning tree should have
1870 // anyway, so we're ok). This limit can be raised simply by making
1871 // the character matrix deeper, 128 rows taking 10k of memory.
1872 for (int l = 1; l < line; l++)
1874 // scan across the line looking for the start of the
1875 // servername (the recursive part of the algorithm has placed
1876 // the servers at indented positions depending on what they
1878 int first_nonspace = 0;
1879 while (matrix[l][first_nonspace] == ' ')
1884 // Draw the `- (corner) section: this may be overwritten by
1885 // another L shape passing along the same vertical pane, becoming
1886 // a |- (branch) section instead.
1887 matrix[l][first_nonspace] = '-';
1888 matrix[l][first_nonspace-1] = '`';
1890 // Draw upwards until we hit the parent server, causing possibly
1891 // other corners (`-) to become branches (|-)
1892 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
1894 matrix[l2][first_nonspace-1] = '|';
1898 // dump the whole lot to the user. This is the easy bit, honest.
1899 for (int t = 0; t < line; t++)
1901 WriteServ(user->fd,"006 %s :%s",user->nick,&matrix[t][0]);
1903 WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1907 int HandleSquit(char** parameters, int pcnt, userrec* user)
1909 TreeServer* s = FindServerMask(parameters[0]);
1912 TreeSocket* sock = s->GetSocket();
1915 WriteOpers("*** SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
1916 sock->Squit(s,"Server quit by "+std::string(user->nick)+"!"+std::string(user->ident)+"@"+std::string(user->host));
1921 WriteServ(user->fd,"NOTICE %s :*** SQUIT: The server \002%s\002 is not directly connected.",user->nick,parameters[0]);
1926 WriteServ(user->fd,"NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
1931 void DoPingChecks(time_t curtime)
1933 for (unsigned int j = 0; j < TreeRoot->ChildCount(); j++)
1935 TreeServer* serv = TreeRoot->GetChild(j);
1936 TreeSocket* sock = serv->GetSocket();
1939 if (curtime >= serv->NextPingTime())
1941 if (serv->AnsweredLastPing())
1943 sock->WriteLine(":"+Srv->GetServerName()+" PING "+serv->GetName());
1944 serv->SetNextPingTime(curtime + 60);
1948 // they didnt answer, boot them
1949 WriteOpers("*** Server \002%s\002 pinged out",serv->GetName().c_str());
1950 sock->Squit(serv,"Ping timeout");
1959 void AutoConnectServers(time_t curtime)
1961 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
1963 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
1965 log(DEBUG,"Auto-Connecting %s",x->Name.c_str());
1966 x->NextConnectTime = curtime + x->AutoConnect;
1967 TreeServer* CheckDupe = FindServer(x->Name);
1970 // an autoconnected server is not connected. Check if its time to connect it
1971 WriteOpers("*** AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
1972 TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name);
1973 Srv->AddSocket(newsocket);
1979 int HandleVersion(char** parameters, int pcnt, userrec* user)
1981 // we've already checked if pcnt > 0, so this is safe
1982 TreeServer* found = FindServerMask(parameters[0]);
1985 std::string Version = found->GetVersion();
1986 WriteServ(user->fd,"351 %s :%s",user->nick,Version.c_str());
1990 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
1995 int HandleConnect(char** parameters, int pcnt, userrec* user)
1997 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
1999 if (Srv->MatchText(x->Name.c_str(),parameters[0]))
2001 TreeServer* CheckDupe = FindServer(x->Name);
2004 WriteServ(user->fd,"NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),x->IPAddr.c_str(),x->Port);
2005 TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name);
2006 Srv->AddSocket(newsocket);
2011 WriteServ(user->fd,"NOTICE %s :*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",user->nick,x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str());
2016 WriteServ(user->fd,"NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
2020 virtual int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user)
2022 if (command == "CONNECT")
2024 return this->HandleConnect(parameters,pcnt,user);
2026 else if (command == "SQUIT")
2028 return this->HandleSquit(parameters,pcnt,user);
2030 else if (command == "MAP")
2032 this->HandleMap(parameters,pcnt,user);
2035 else if (command == "LUSERS")
2037 this->HandleLusers(parameters,pcnt,user);
2040 else if (command == "LINKS")
2042 this->HandleLinks(parameters,pcnt,user);
2045 else if ((command == "VERSION") && (pcnt > 0))
2047 this->HandleVersion(parameters,pcnt,user);
2050 else if (Srv->IsValidModuleCommand(command, pcnt, user))
2052 // this bit of code cleverly routes all module commands
2053 // to all remote severs *automatically* so that modules
2054 // can just handle commands locally, without having
2055 // to have any special provision in place for remote
2056 // commands and linking protocols.
2057 std::deque<std::string> params;
2059 for (int j = 0; j < pcnt; j++)
2061 if (strchr(parameters[j],' '))
2063 params.push_back(":" + std::string(parameters[j]));
2067 params.push_back(std::string(parameters[j]));
2070 DoOneToMany(user->nick,command,params);
2075 virtual void OnGetServerDescription(std::string servername,std::string &description)
2077 TreeServer* s = FindServer(servername);
2080 description = s->GetDesc();
2084 virtual void OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
2086 if (std::string(source->server) == Srv->GetServerName())
2088 std::deque<std::string> params;
2089 params.push_back(dest->nick);
2090 params.push_back(channel->name);
2091 DoOneToMany(source->nick,"INVITE",params);
2095 virtual void OnPostLocalTopicChange(userrec* user, chanrec* chan, std::string topic)
2097 std::deque<std::string> params;
2098 params.push_back(chan->name);
2099 params.push_back(":"+topic);
2100 DoOneToMany(user->nick,"TOPIC",params);
2103 virtual void OnWallops(userrec* user, std::string text)
2105 if (std::string(user->server) == Srv->GetServerName())
2107 std::deque<std::string> params;
2108 params.push_back(":"+text);
2109 DoOneToMany(user->nick,"WALLOPS",params);
2113 virtual void OnUserNotice(userrec* user, void* dest, int target_type, std::string text)
2115 if (target_type == TYPE_USER)
2117 userrec* d = (userrec*)dest;
2118 if ((std::string(d->server) != Srv->GetServerName()) && (std::string(user->server) == Srv->GetServerName()))
2120 std::deque<std::string> params;
2122 params.push_back(d->nick);
2123 params.push_back(":"+text);
2124 DoOneToOne(user->nick,"NOTICE",params,d->server);
2129 if (std::string(user->server) == Srv->GetServerName())
2131 chanrec *c = (chanrec*)dest;
2132 std::deque<TreeServer*> list;
2133 GetListOfServersForChannel(c,list);
2134 unsigned int ucount = list.size();
2135 for (unsigned int i = 0; i < ucount; i++)
2137 TreeSocket* Sock = list[i]->GetSocket();
2139 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+std::string(c->name)+" :"+text);
2145 virtual void OnUserMessage(userrec* user, void* dest, int target_type, std::string text)
2147 if (target_type == TYPE_USER)
2149 // route private messages which are targetted at clients only to the server
2150 // which needs to receive them
2151 userrec* d = (userrec*)dest;
2152 if ((std::string(d->server) != Srv->GetServerName()) && (std::string(user->server) == Srv->GetServerName()))
2154 std::deque<std::string> params;
2156 params.push_back(d->nick);
2157 params.push_back(":"+text);
2158 DoOneToOne(user->nick,"PRIVMSG",params,d->server);
2163 if (std::string(user->server) == Srv->GetServerName())
2165 chanrec *c = (chanrec*)dest;
2166 std::deque<TreeServer*> list;
2167 GetListOfServersForChannel(c,list);
2168 unsigned int ucount = list.size();
2169 for (unsigned int i = 0; i < ucount; i++)
2171 TreeSocket* Sock = list[i]->GetSocket();
2173 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+std::string(c->name)+" :"+text);
2179 virtual void OnBackgroundTimer(time_t curtime)
2181 AutoConnectServers(curtime);
2182 DoPingChecks(curtime);
2185 virtual void OnUserJoin(userrec* user, chanrec* channel)
2187 // Only do this for local users
2188 if (std::string(user->server) == Srv->GetServerName())
2190 std::deque<std::string> params;
2192 params.push_back(channel->name);
2195 // if the channel has a key, force the join by emulating the key.
2196 params.push_back(channel->key);
2198 if (channel->GetUserCounter() > 1)
2200 // not the first in the channel
2201 DoOneToMany(user->nick,"JOIN",params);
2205 // first in the channel, set up their permissions
2206 // and the channel TS with FJOIN.
2208 snprintf(ts,24,"%lu",(unsigned long)channel->age);
2210 params.push_back(channel->name);
2211 params.push_back(ts);
2212 params.push_back("@"+std::string(user->nick));
2213 DoOneToMany(Srv->GetServerName(),"FJOIN",params);
2218 virtual void OnChangeHost(userrec* user, std::string newhost)
2220 // only occurs for local clients
2221 std::deque<std::string> params;
2222 params.push_back(newhost);
2223 DoOneToMany(user->nick,"FHOST",params);
2226 virtual void OnChangeName(userrec* user, std::string gecos)
2228 // only occurs for local clients
2229 std::deque<std::string> params;
2230 params.push_back(gecos);
2231 DoOneToMany(user->nick,"FNAME",params);
2234 virtual void OnUserPart(userrec* user, chanrec* channel)
2236 if (std::string(user->server) == Srv->GetServerName())
2238 std::deque<std::string> params;
2239 params.push_back(channel->name);
2240 DoOneToMany(user->nick,"PART",params);
2244 virtual void OnUserConnect(userrec* user)
2246 char agestr[MAXBUF];
2247 if (std::string(user->server) == Srv->GetServerName())
2249 std::deque<std::string> params;
2250 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
2251 params.push_back(agestr);
2252 params.push_back(user->nick);
2253 params.push_back(user->host);
2254 params.push_back(user->dhost);
2255 params.push_back(user->ident);
2256 params.push_back("+"+std::string(user->modes));
2257 params.push_back(user->ip);
2258 params.push_back(":"+std::string(user->fullname));
2259 DoOneToMany(Srv->GetServerName(),"NICK",params);
2263 virtual void OnUserQuit(userrec* user, std::string reason)
2265 if (std::string(user->server) == Srv->GetServerName())
2267 std::deque<std::string> params;
2268 params.push_back(":"+reason);
2269 DoOneToMany(user->nick,"QUIT",params);
2273 virtual void OnUserPostNick(userrec* user, std::string oldnick)
2275 if (std::string(user->server) == Srv->GetServerName())
2277 std::deque<std::string> params;
2278 params.push_back(user->nick);
2279 DoOneToMany(oldnick,"NICK",params);
2283 virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason)
2285 if (std::string(source->server) == Srv->GetServerName())
2287 std::deque<std::string> params;
2288 params.push_back(chan->name);
2289 params.push_back(user->nick);
2290 params.push_back(":"+reason);
2291 DoOneToMany(source->nick,"KICK",params);
2295 virtual void OnRemoteKill(userrec* source, userrec* dest, std::string reason)
2297 std::deque<std::string> params;
2298 params.push_back(dest->nick);
2299 params.push_back(":"+reason);
2300 DoOneToMany(source->nick,"KILL",params);
2303 virtual void OnRehash(std::string parameter)
2305 if (parameter != "")
2307 std::deque<std::string> params;
2308 params.push_back(parameter);
2309 DoOneToMany(Srv->GetServerName(),"REHASH",params);
2311 if (Srv->MatchText(Srv->GetServerName(),parameter))
2313 Srv->SendOpers("*** Remote rehash initiated from server \002"+Srv->GetServerName()+"\002.");
2314 Srv->RehashServer();
2317 ReadConfiguration(false);
2320 // note: the protocol does not allow direct umode +o except
2321 // via NICK with 8 params. sending OPERTYPE infers +o modechange
2323 virtual void OnOper(userrec* user, std::string opertype)
2325 if (std::string(user->server) == Srv->GetServerName())
2327 std::deque<std::string> params;
2328 params.push_back(opertype);
2329 DoOneToMany(user->nick,"OPERTYPE",params);
2333 void OnLine(userrec* source, std::string host, bool adding, char linetype, long duration, std::string reason)
2335 if (std::string(source->server) == Srv->GetServerName())
2338 snprintf(type,8,"%cLINE",linetype);
2339 std::string stype = type;
2342 char sduration[MAXBUF];
2343 snprintf(sduration,MAXBUF,"%ld",duration);
2344 std::deque<std::string> params;
2345 params.push_back(host);
2346 params.push_back(sduration);
2347 params.push_back(":"+reason);
2348 DoOneToMany(source->nick,stype,params);
2352 std::deque<std::string> params;
2353 params.push_back(host);
2354 DoOneToMany(source->nick,stype,params);
2359 virtual void OnAddGLine(long duration, userrec* source, std::string reason, std::string hostmask)
2361 OnLine(source,hostmask,true,'G',duration,reason);
2364 virtual void OnAddZLine(long duration, userrec* source, std::string reason, std::string ipmask)
2366 OnLine(source,ipmask,true,'Z',duration,reason);
2369 virtual void OnAddQLine(long duration, userrec* source, std::string reason, std::string nickmask)
2371 OnLine(source,nickmask,true,'Q',duration,reason);
2374 virtual void OnAddELine(long duration, userrec* source, std::string reason, std::string hostmask)
2376 OnLine(source,hostmask,true,'E',duration,reason);
2379 virtual void OnDelGLine(userrec* source, std::string hostmask)
2381 OnLine(source,hostmask,false,'G',0,"");
2384 virtual void OnDelZLine(userrec* source, std::string ipmask)
2386 OnLine(source,ipmask,false,'Z',0,"");
2389 virtual void OnDelQLine(userrec* source, std::string nickmask)
2391 OnLine(source,nickmask,false,'Q',0,"");
2394 virtual void OnDelELine(userrec* source, std::string hostmask)
2396 OnLine(source,hostmask,false,'E',0,"");
2399 virtual void OnMode(userrec* user, void* dest, int target_type, std::string text)
2401 if (std::string(user->server) == Srv->GetServerName())
2403 if (target_type == TYPE_USER)
2405 userrec* u = (userrec*)dest;
2406 std::deque<std::string> params;
2407 params.push_back(u->nick);
2408 params.push_back(text);
2409 DoOneToMany(user->nick,"MODE",params);
2413 chanrec* c = (chanrec*)dest;
2414 std::deque<std::string> params;
2415 params.push_back(c->name);
2416 params.push_back(text);
2417 DoOneToMany(user->nick,"MODE",params);
2422 virtual void ProtoSendMode(void* opaque, int target_type, void* target, std::string modeline)
2424 TreeSocket* s = (TreeSocket*)opaque;
2427 if (target_type == TYPE_USER)
2429 userrec* u = (userrec*)target;
2430 s->WriteLine(":"+Srv->GetServerName()+" FMODE "+u->nick+" "+modeline);
2434 chanrec* c = (chanrec*)target;
2435 s->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+modeline);
2440 virtual ~ModuleSpanningTree()
2445 virtual Version GetVersion()
2447 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
2452 class ModuleSpanningTreeFactory : public ModuleFactory
2455 ModuleSpanningTreeFactory()
2459 ~ModuleSpanningTreeFactory()
2463 virtual Module * CreateModule()
2465 TreeProtocolModule = new ModuleSpanningTree;
2466 return TreeProtocolModule;
2472 extern "C" void * init_module( void )
2474 return new ModuleSpanningTreeFactory;