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>
36 #include "helperfuncs.h"
38 #include "inspstring.h"
43 #include "cull_list.h"
47 #define nspace __gnu_cxx
53 * The server list in InspIRCd is maintained as two structures
54 * which hold the data in different ways. Most of the time, we
55 * want to very quicky obtain three pieces of information:
57 * (1) The information on a server
58 * (2) The information on the server we must send data through
59 * to actually REACH the server we're after
60 * (3) Potentially, the child/parent objects of this server
62 * The InspIRCd spanning protocol provides easy access to these
63 * by storing the data firstly in a recursive structure, where
64 * each item references its parent item, and a dynamic list
65 * of child items, and another structure which stores the items
66 * hashed, linearly. This means that if we want to find a server
67 * by name quickly, we can look it up in the hash, avoiding
68 * any O(n) lookups. If however, during a split or sync, we want
69 * to apply an operation to a server, and any of its child objects
70 * we can resort to recursion to walk the tree structure.
73 class ModuleSpanningTree;
74 static ModuleSpanningTree* TreeProtocolModule;
76 extern std::vector<Module*> modules;
77 extern std::vector<ircd_module*> factory;
80 /* Any socket can have one of five states at any one time.
81 * The LISTENER state indicates a socket which is listening
82 * for connections. It cannot receive data itself, only incoming
84 * The CONNECTING state indicates an outbound socket which is
85 * waiting to be writeable.
86 * The WAIT_AUTH_1 state indicates the socket is outbound and
87 * has successfully connected, but has not yet sent and received
89 * The WAIT_AUTH_2 state indicates that the socket is inbound
90 * (allocated by a LISTENER) but has not yet sent and received
92 * The CONNECTED state represents a fully authorized, fully
95 enum ServerState { LISTENER, CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED };
97 /* We need to import these from the core for use in netbursts */
98 /*typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
99 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;*/
100 extern user_hash clientlist;
101 extern chan_hash chanlist;
103 /* Foward declarations */
107 /* This variable represents the root of the server tree
108 * (for all intents and purposes, it's us)
110 TreeServer *TreeRoot;
114 /* This hash_map holds the hash equivalent of the server
115 * tree, used for rapid linear lookups.
117 typedef nspace::hash_map<std::string, TreeServer*> server_hash;
118 server_hash serverlist;
120 /* More forward declarations */
121 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string target);
122 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string omit);
123 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> ¶ms);
124 bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, std::string command, std::deque<std::string> ¶ms);
125 void ReadConfiguration(bool rebind);
127 /* Imported from xline.cpp for use during netburst */
128 extern std::vector<KLine> klines;
129 extern std::vector<GLine> glines;
130 extern std::vector<ZLine> zlines;
131 extern std::vector<QLine> qlines;
132 extern std::vector<ELine> elines;
133 extern std::vector<KLine> pklines;
134 extern std::vector<GLine> pglines;
135 extern std::vector<ZLine> pzlines;
136 extern std::vector<QLine> pqlines;
137 extern std::vector<ELine> pelines;
139 /* Each server in the tree is represented by one class of
140 * type TreeServer. A locally connected TreeServer can
141 * have a class of type TreeSocket associated with it, for
142 * remote servers, the TreeSocket entry will be NULL.
143 * Each server also maintains a pointer to its parent
144 * (NULL if this server is ours, at the top of the tree)
145 * and a pointer to its "Route" (see the comments in the
146 * constructors below), and also a dynamic list of pointers
147 * to its children which can be iterated recursively
148 * if required. Creating or deleting objects of type
149 * TreeServer automatically maintains the hash_map of
150 * TreeServer items, deleting and inserting them as they
151 * are created and destroyed.
156 TreeServer* Parent; /* Parent entry */
157 TreeServer* Route; /* Route entry */
158 std::vector<TreeServer*> Children; /* List of child objects */
159 std::string ServerName; /* Server's name */
160 std::string ServerDesc; /* Server's description */
161 std::string VersionString; /* Version string or empty string */
162 int UserCount; /* Not used in this version */
163 int OperCount; /* Not used in this version */
164 TreeSocket* Socket; /* For directly connected servers this points at the socket object */
165 time_t NextPing; /* After this time, the server should be PINGed*/
166 bool LastPingWasGood; /* True if the server responded to the last PING with a PONG */
170 /* We don't use this constructor. Its a dummy, and won't cause any insertion
171 * of the TreeServer into the hash_map. See below for the two we DO use.
179 UserCount = OperCount = 0;
180 VersionString = Srv->GetVersion();
183 /* We use this constructor only to create the 'root' item, TreeRoot, which
184 * represents our own server. Therefore, it has no route, no parent, and
185 * no socket associated with it. Its version string is our own local version.
187 TreeServer(std::string Name, std::string Desc) : ServerName(Name), ServerDesc(Desc)
191 UserCount = OperCount = 0;
192 VersionString = Srv->GetVersion();
194 Socket = NULL; /* Fix by brain */
198 /* When we create a new server, we call this constructor to initialize it.
199 * This constructor initializes the server's Route and Parent, and sets up
200 * its ping counters so that it will be pinged one minute from now.
202 TreeServer(std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock) : Parent(Above), ServerName(Name), ServerDesc(Desc), Socket(Sock)
205 UserCount = OperCount = 0;
206 this->SetNextPingTime(time(NULL) + 60);
209 /* find the 'route' for this server (e.g. the one directly connected
210 * to the local server, which we can use to reach it)
212 * In the following example, consider we have just added a TreeServer
213 * class for server G on our network, of which we are server A.
214 * To route traffic to G (marked with a *) we must send the data to
215 * B (marked with a +) so this algorithm initializes the 'Route'
216 * value to point at whichever server traffic must be routed through
217 * to get here. If we were to try this algorithm with server B,
218 * the Route pointer would point at its own object ('this').
228 * We only run this algorithm when a server is created, as
229 * the routes remain constant while ever the server exists, and
230 * do not need to be re-calculated.
234 if (Route == TreeRoot)
240 while (this->Route->GetParent() != TreeRoot)
242 this->Route = Route->GetParent();
246 /* Because recursive code is slow and takes a lot of resources,
247 * we store two representations of the server tree. The first
248 * is a recursive structure where each server references its
249 * children and its parent, which is used for netbursts and
250 * netsplits to dump the whole dataset to the other server,
251 * and the second is used for very fast lookups when routing
252 * messages and is instead a hash_map, where each item can
253 * be referenced by its server name. The AddHashEntry()
254 * call below automatically inserts each TreeServer class
255 * into the hash_map as it is created. There is a similar
256 * maintainance call in the destructor to tidy up deleted
260 this->AddHashEntry();
263 /* This method is used to add the structure to the
264 * hash_map for linear searches. It is only called
265 * by the constructors.
269 server_hash::iterator iter;
270 iter = serverlist.find(this->ServerName);
271 if (iter == serverlist.end())
272 serverlist[this->ServerName] = this;
275 /* This method removes the reference to this object
276 * from the hash_map which is used for linear searches.
277 * It is only called by the default destructor.
281 server_hash::iterator iter;
282 iter = serverlist.find(this->ServerName);
283 if (iter != serverlist.end())
284 serverlist.erase(iter);
287 /* These accessors etc should be pretty self-
291 TreeServer* GetRoute()
296 std::string GetName()
301 std::string GetDesc()
306 std::string GetVersion()
308 return VersionString;
311 void SetNextPingTime(time_t t)
314 LastPingWasGood = false;
317 time_t NextPingTime()
322 bool AnsweredLastPing()
324 return LastPingWasGood;
329 LastPingWasGood = true;
342 TreeSocket* GetSocket()
347 TreeServer* GetParent()
352 void SetVersion(std::string Version)
354 VersionString = Version;
357 unsigned int ChildCount()
359 return Children.size();
362 TreeServer* GetChild(unsigned int n)
364 if (n < Children.size())
366 /* Make sure they cant request
367 * an out-of-range object. After
368 * all we know what these programmer
369 * types are like *grin*.
379 void AddChild(TreeServer* Child)
381 Children.push_back(Child);
384 bool DelChild(TreeServer* Child)
386 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
397 /* Removes child nodes of this node, and of that node, etc etc.
398 * This is used during netsplits to automatically tidy up the
399 * server tree. It is slow, we don't use it for much else.
403 bool stillchildren = true;
404 while (stillchildren)
406 stillchildren = false;
407 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
409 TreeServer* s = (TreeServer*)*a;
413 stillchildren = true;
422 /* We'd better tidy up after ourselves, eh? */
423 this->DelHashEntry();
427 /* The Link class might as well be a struct,
428 * but this is C++ and we don't believe in structs (!).
429 * It holds the entire information of one <link>
430 * tag from the main config file. We maintain a list
431 * of them, and populate the list on rehash/load.
440 std::string SendPass;
441 std::string RecvPass;
442 unsigned long AutoConnect;
443 time_t NextConnectTime;
444 std::string EncryptionKey;
447 /* The usual stuff for inspircd modules,
448 * plus the vector of Link classes which we
449 * use to store the <link> tags from the config
453 std::vector<Link> LinkBlocks;
455 /* Yay for fast searches!
456 * This is hundreds of times faster than recursion
457 * or even scanning a linked list, especially when
458 * there are more than a few servers to deal with.
461 TreeServer* FindServer(std::string ServerName)
463 server_hash::iterator iter;
464 iter = serverlist.find(ServerName);
465 if (iter != serverlist.end())
475 /* Returns the locally connected server we must route a
476 * message through to reach server 'ServerName'. This
477 * only applies to one-to-one and not one-to-many routing.
478 * See the comments for the constructor of TreeServer
481 TreeServer* BestRouteTo(std::string ServerName)
483 if (ServerName.c_str() == TreeRoot->GetName())
485 TreeServer* Found = FindServer(ServerName);
488 return Found->GetRoute();
496 /* Find the first server matching a given glob mask.
497 * Theres no find-using-glob method of hash_map [awwww :-(]
498 * so instead, we iterate over the list using an iterator
499 * and match each one until we get a hit. Yes its slow,
502 TreeServer* FindServerMask(std::string ServerName)
504 for (server_hash::iterator i = serverlist.begin(); i != serverlist.end(); i++)
506 if (Srv->MatchText(i->first,ServerName))
512 /* A convenient wrapper that returns true if a server exists */
513 bool IsServer(std::string ServerName)
515 return (FindServer(ServerName) != NULL);
518 /* Every SERVER connection inbound or outbound is represented by
519 * an object of type TreeSocket.
520 * TreeSockets, being inherited from InspSocket, can be tied into
521 * the core socket engine, and we cn therefore receive activity events
522 * for them, just like activex objects on speed. (yes really, that
523 * is a technical term!) Each of these which relates to a locally
524 * connected server is assocated with it, by hooking it onto a
525 * TreeSocket class using its constructor. In this way, we can
526 * maintain a list of servers, some of which are directly connected,
527 * some of which are not.
530 class TreeSocket : public InspSocket
533 std::string in_buffer;
534 ServerState LinkState;
535 std::string InboundServerName;
536 std::string InboundDescription;
538 int num_lost_servers;
540 bool LastPingWasGood;
543 unsigned int keylength;
547 /* Because most of the I/O gubbins are encapsulated within
548 * InspSocket, we just call the superclass constructor for
549 * most of the action, and append a few of our own values
552 TreeSocket(std::string host, int port, bool listening, unsigned long maxtime)
553 : InspSocket(host, port, listening, maxtime)
556 this->LinkState = LISTENER;
559 TreeSocket(std::string host, int port, bool listening, unsigned long maxtime, std::string ServerName)
560 : InspSocket(host, port, listening, maxtime)
563 this->LinkState = CONNECTING;
566 /* When a listening socket gives us a new file descriptor,
567 * we must associate it with a socket without creating a new
568 * connection. This constructor is used for this purpose.
570 TreeSocket(int newfd, char* ip)
571 : InspSocket(newfd, ip)
573 this->LinkState = WAIT_AUTH_1;
576 void InitAES(std::string key,std::string SName)
582 log(DEBUG,"Initialized AES key %s",key.c_str());
583 // key must be 16, 24, 32 etc bytes (multiple of 8)
584 keylength = key.length();
585 if (!(keylength == 16 || keylength == 24 || keylength == 32))
587 WriteOpers("*** \2ERROR\2: Key length for encryptionkey is not 16, 24 or 32 bytes in length!");
588 log(DEBUG,"Key length not 16, 24 or 32 characters!");
592 WriteOpers("*** \2AES\2: Initialized %d bit encryption to server %s",keylength*8,SName.c_str());
593 ctx->MakeKey(key.c_str(), "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
594 \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", keylength, keylength);
598 /* When an outbound connection finishes connecting, we receive
599 * this event, and must send our SERVER string to the other
600 * side. If the other side is happy, as outlined in the server
601 * to server docs on the inspircd.org site, the other side
602 * will then send back its own server string.
604 virtual bool OnConnected()
606 if (this->LinkState == CONNECTING)
608 Srv->SendOpers("*** Connection to "+myhost+"["+this->GetIP()+"] established.");
609 /* we do not need to change state here. */
610 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
612 if (x->Name == this->myhost)
614 if (x->EncryptionKey != "")
616 if (!(x->EncryptionKey.length() == 16 || x->EncryptionKey.length() == 24 || x->EncryptionKey.length() == 32))
618 WriteOpers("\2WARNING\2: Your encryption key is NOT 16, 24 or 32 characters in length, encryption will \2NOT\2 be enabled.");
622 this->WriteLine("AES "+Srv->GetServerName());
623 this->InitAES(x->EncryptionKey,x->Name);
626 /* found who we're supposed to be connecting to, send the neccessary gubbins. */
627 this->WriteLine("SERVER "+Srv->GetServerName()+" "+x->SendPass+" 0 :"+Srv->GetServerDescription());
632 /* There is a (remote) chance that between the /CONNECT and the connection
633 * being accepted, some muppet has removed the <link> block and rehashed.
634 * If that happens the connection hangs here until it's closed. Unlikely
635 * and rather harmless.
640 virtual void OnError(InspSocketError e)
642 /* We don't handle this method, because all our
643 * dirty work is done in OnClose() (see below)
644 * which is still called on error conditions too.
648 virtual int OnDisconnect()
650 /* For the same reason as above, we don't
651 * handle OnDisconnect()
656 /* Recursively send the server tree with distances as hops.
657 * This is used during network burst to inform the other server
658 * (and any of ITS servers too) of what servers we know about.
659 * If at any point any of these servers already exist on the other
660 * end, our connection may be terminated. The hopcounts given
661 * by this function are relative, this doesn't matter so long as
662 * they are all >1, as all the remote servers re-calculate them
663 * to be relative too, with themselves as hop 0.
665 void SendServers(TreeServer* Current, TreeServer* s, int hops)
668 for (unsigned int q = 0; q < Current->ChildCount(); q++)
670 TreeServer* recursive_server = Current->GetChild(q);
671 if (recursive_server != s)
673 snprintf(command,1024,":%s SERVER %s * %d :%s",Current->GetName().c_str(),recursive_server->GetName().c_str(),hops,recursive_server->GetDesc().c_str());
674 this->WriteLine(command);
675 this->WriteLine(":"+recursive_server->GetName()+" VERSION :"+recursive_server->GetVersion());
676 /* down to next level */
677 this->SendServers(recursive_server, s, hops+1);
682 /* This function forces this server to quit, removing this server
683 * and any users on it (and servers and users below that, etc etc).
684 * It's very slow and pretty clunky, but luckily unless your network
685 * is having a REAL bad hair day, this function shouldnt be called
686 * too many times a month ;-)
688 void SquitServer(TreeServer* Current, CullList* Goners)
690 /* recursively squit the servers attached to 'Current'.
691 * We're going backwards so we don't remove users
692 * while we still need them ;)
694 for (unsigned int q = 0; q < Current->ChildCount(); q++)
696 TreeServer* recursive_server = Current->GetChild(q);
697 this->SquitServer(recursive_server,Goners);
699 /* Now we've whacked the kids, whack self */
701 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
703 if (!strcasecmp(u->second->server,Current->GetName().c_str()))
705 std::string qreason = Current->GetName()+" "+std::string(Srv->GetServerName());
706 Goners->AddItem(u->second,qreason);
712 /* This is a wrapper function for SquitServer above, which
713 * does some validation first and passes on the SQUIT to all
714 * other remaining servers.
716 void Squit(TreeServer* Current,std::string reason)
718 if ((Current) && (Current != TreeRoot))
720 std::deque<std::string> params;
721 params.push_back(Current->GetName());
722 params.push_back(":"+reason);
723 DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName());
724 if (Current->GetParent() == TreeRoot)
726 Srv->SendOpers("Server \002"+Current->GetName()+"\002 split: "+reason);
730 Srv->SendOpers("Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
732 num_lost_servers = 0;
734 CullList* Goners = new CullList();
735 SquitServer(Current, Goners);
738 Current->GetParent()->DelChild(Current);
741 WriteOpers("Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
745 log(DEFAULT,"Squit from unknown server");
750 bool ForceMode(std::string source, std::deque<std::string> params)
752 userrec* who = new userrec;
753 who->fd = FD_MAGIC_NUMBER;
754 if (params.size() < 2)
757 for (unsigned int q = 0; q < params.size(); q++)
759 modelist[q] = (char*)params[q].c_str();
761 Srv->SendMode(modelist,params.size(),who);
762 DoOneToAllButSender(source,"FMODE",params,source);
768 bool ForceTopic(std::string source, std::deque<std::string> params)
770 if (params.size() != 4)
772 std::string channel = params[0];
773 time_t ts = atoi(params[1].c_str());
774 std::string setby = params[2];
775 std::string topic = params[3];
777 chanrec* c = Srv->FindChannel(channel);
780 if ((ts >= c->topicset) || (!*c->topic))
782 std::string oldtopic = c->topic;
783 strlcpy(c->topic,topic.c_str(),MAXTOPIC);
784 strlcpy(c->setby,setby.c_str(),NICKMAX);
786 /* if the topic text is the same as the current topic,
787 * dont bother to send the TOPIC command out, just silently
788 * update the set time and set nick.
790 if (oldtopic != topic)
791 WriteChannelWithServ((char*)source.c_str(), c, "TOPIC %s :%s", c->name, c->topic);
796 /* all done, send it on its way */
797 params[3] = ":" + params[3];
798 DoOneToAllButSender(source,"FTOPIC",params,source);
803 /* FJOIN, similar to unreal SJOIN */
804 bool ForceJoin(std::string source, std::deque<std::string> params)
806 if (params.size() < 3)
810 char modestring[MAXBUF];
811 char* mode_users[127];
812 mode_users[0] = first;
813 mode_users[1] = modestring;
814 strcpy(mode_users[1],"+");
815 unsigned int modectr = 2;
818 std::string channel = params[0];
819 time_t TS = atoi(params[1].c_str());
822 chanrec* chan = Srv->FindChannel(channel);
827 strlcpy(mode_users[0],channel.c_str(),MAXBUF);
829 /* default is a high value, which if we dont have this
830 * channel will let the other side apply their modes.
832 time_t ourTS = time(NULL)+600;
833 chanrec* us = Srv->FindChannel(channel);
839 log(DEBUG,"FJOIN detected, our TS=%lu, their TS=%lu",ourTS,TS);
841 /* do this first, so our mode reversals are correctly received by other servers
842 * if there is a TS collision.
844 DoOneToAllButSender(source,"FJOIN",params,source);
846 for (unsigned int usernum = 2; usernum < params.size(); usernum++)
848 /* process one channel at a time, applying modes. */
849 char* usr = (char*)params[usernum].c_str();
850 char permissions = *usr;
855 mode_users[modectr++] = usr;
856 strlcat(modestring,"o",MAXBUF);
860 mode_users[modectr++] = usr;
861 strlcat(modestring,"h",MAXBUF);
865 mode_users[modectr++] = usr;
866 strlcat(modestring,"v",MAXBUF);
869 who = Srv->FindNick(usr);
872 Srv->JoinUserToChannel(who,channel,key);
873 if (modectr >= (MAXMODES-1))
875 /* theres a mode for this user. push them onto the mode queue, and flush it
876 * if there are more than MAXMODES to go.
878 if ((ourTS >= TS) || (Srv->IsUlined(who->server)))
880 /* We also always let u-lined clients win, no matter what the TS value */
881 log(DEBUG,"Our our channel newer than theirs, accepting their modes");
882 Srv->SendMode(mode_users,modectr,who);
886 log(DEBUG,"Their channel newer than ours, bouncing their modes");
888 std::deque<std::string> params;
889 /* modes are now being UNSET... */
890 *mode_users[1] = '-';
891 for (unsigned int x = 0; x < modectr; x++)
893 params.push_back(mode_users[x]);
895 // tell everyone to bounce the modes. bad modes, bad!
896 DoOneToMany(Srv->GetServerName(),"FMODE",params);
898 strcpy(mode_users[1],"+");
903 /* there werent enough modes built up to flush it during FJOIN,
904 * or, there are a number left over. flush them out.
906 if ((modectr > 2) && (who))
910 log(DEBUG,"Our our channel newer than theirs, accepting their modes");
911 Srv->SendMode(mode_users,modectr,who);
915 log(DEBUG,"Their channel newer than ours, bouncing their modes");
916 std::deque<std::string> params;
917 *mode_users[1] = '-';
918 for (unsigned int x = 0; x < modectr; x++)
920 params.push_back(mode_users[x]);
922 DoOneToMany(Srv->GetServerName(),"FMODE",params);
929 bool IntroduceClient(std::string source, std::deque<std::string> params)
931 if (params.size() < 8)
933 // NICK age nick host dhost ident +modes ip :gecos
935 std::string nick = params[1];
936 std::string host = params[2];
937 std::string dhost = params[3];
938 std::string ident = params[4];
939 time_t age = atoi(params[0].c_str());
940 std::string modes = params[5];
941 while (*(modes.c_str()) == '+')
943 char* m = (char*)modes.c_str();
947 std::string ip = params[6];
948 std::string gecos = params[7];
949 char* tempnick = (char*)nick.c_str();
950 log(DEBUG,"Introduce client %s!%s@%s",tempnick,ident.c_str(),host.c_str());
952 user_hash::iterator iter;
953 iter = clientlist.find(tempnick);
954 if (iter != clientlist.end())
957 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);
958 this->WriteLine(":"+Srv->GetServerName()+" KILL "+tempnick+" :Nickname collision");
962 clientlist[tempnick] = new userrec();
963 clientlist[tempnick]->fd = FD_MAGIC_NUMBER;
964 strlcpy(clientlist[tempnick]->nick, tempnick,NICKMAX);
965 strlcpy(clientlist[tempnick]->host, host.c_str(),160);
966 strlcpy(clientlist[tempnick]->dhost, dhost.c_str(),160);
967 clientlist[tempnick]->server = (char*)FindServerNamePtr(source.c_str());
968 strlcpy(clientlist[tempnick]->ident, ident.c_str(),IDENTMAX);
969 strlcpy(clientlist[tempnick]->fullname, gecos.c_str(),MAXGECOS);
970 clientlist[tempnick]->registered = 7;
971 clientlist[tempnick]->signon = age;
972 strlcpy(clientlist[tempnick]->modes, modes.c_str(),53);
973 strlcpy(clientlist[tempnick]->ip,ip.c_str(),16);
978 for (int i = 0; i < MAXCHANS; i++)
979 clientlist[tempnick]->chans.push_back(a);
983 WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",clientlist[tempnick]->server,clientlist[tempnick]->nick,clientlist[tempnick]->ident,clientlist[tempnick]->host,clientlist[tempnick]->ip);
985 params[7] = ":" + params[7];
986 DoOneToAllButSender(source,"NICK",params,source);
990 /* Send one or more FJOINs for a channel of users.
991 * If the length of a single line is more than 480-NICKMAX
992 * in length, it is split over multiple lines.
994 void SendFJoins(TreeServer* Current, chanrec* c)
996 log(DEBUG,"Sending FJOINs to other server for %s",c->name);
998 snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
999 std::vector<char*> *ulist = c->GetUsers();
1000 for (unsigned int i = 0; i < ulist->size(); i++)
1002 char* o = (*ulist)[i];
1003 userrec* otheruser = (userrec*)o;
1004 strlcat(list," ",MAXBUF);
1005 strlcat(list,cmode(otheruser,c),MAXBUF);
1006 strlcat(list,otheruser->nick,MAXBUF);
1007 if (strlen(list)>(480-NICKMAX))
1009 log(DEBUG,"FJOIN line wrapped");
1010 this->WriteLine(list);
1011 snprintf(list,MAXBUF,":%s FJOIN %s %lu",Srv->GetServerName().c_str(),c->name,(unsigned long)c->age);
1014 if (list[strlen(list)-1] != ':')
1016 log(DEBUG,"Final FJOIN line");
1017 this->WriteLine(list);
1021 /* Send G, Q, Z and E lines */
1022 void SendXLines(TreeServer* Current)
1025 /* Yes, these arent too nice looking, but they get the job done */
1026 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
1028 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);
1029 this->WriteLine(data);
1031 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
1033 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);
1034 this->WriteLine(data);
1036 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
1038 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);
1039 this->WriteLine(data);
1041 for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++)
1043 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);
1044 this->WriteLine(data);
1046 for (std::vector<ZLine>::iterator i = pzlines.begin(); i != pzlines.end(); i++)
1048 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);
1049 this->WriteLine(data);
1051 for (std::vector<QLine>::iterator i = pqlines.begin(); i != pqlines.end(); i++)
1053 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);
1054 this->WriteLine(data);
1056 for (std::vector<GLine>::iterator i = pglines.begin(); i != pglines.end(); i++)
1058 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);
1059 this->WriteLine(data);
1061 for (std::vector<ELine>::iterator i = pelines.begin(); i != pelines.end(); i++)
1063 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);
1064 this->WriteLine(data);
1068 /* Send channel modes and topics */
1069 void SendChannelModes(TreeServer* Current)
1072 std::deque<std::string> list;
1073 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
1075 SendFJoins(Current, c->second);
1076 snprintf(data,MAXBUF,":%s FMODE %s +%s",Srv->GetServerName().c_str(),c->second->name,chanmodes(c->second));
1077 this->WriteLine(data);
1078 if (*c->second->topic)
1080 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);
1081 this->WriteLine(data);
1083 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
1085 snprintf(data,MAXBUF,":%s FMODE %s +b %s",Srv->GetServerName().c_str(),c->second->name,b->data);
1086 this->WriteLine(data);
1088 FOREACH_MOD OnSyncChannel(c->second,(Module*)TreeProtocolModule,(void*)this);
1090 c->second->GetExtList(list);
1091 for (unsigned int j = 0; j < list.size(); j++)
1093 FOREACH_MOD OnSyncChannelMetaData(c->second,(Module*)TreeProtocolModule,(void*)this,list[j]);
1098 /* send all users and their oper state/modes */
1099 void SendUsers(TreeServer* Current)
1102 std::deque<std::string> list;
1103 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
1105 if (u->second->registered == 7)
1107 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);
1108 this->WriteLine(data);
1109 if (strchr(u->second->modes,'o'))
1111 this->WriteLine(":"+std::string(u->second->nick)+" OPERTYPE "+std::string(u->second->oper));
1113 FOREACH_MOD OnSyncUser(u->second,(Module*)TreeProtocolModule,(void*)this);
1115 u->second->GetExtList(list);
1116 for (unsigned int j = 0; j < list.size(); j++)
1118 FOREACH_MOD OnSyncUserMetaData(u->second,(Module*)TreeProtocolModule,(void*)this,list[j]);
1124 /* This function is called when we want to send a netburst to a local
1125 * server. There is a set order we must do this, because for example
1126 * users require their servers to exist, and channels require their
1127 * users to exist. You get the idea.
1129 void DoBurst(TreeServer* s)
1131 Srv->SendOpers("*** Bursting to \2"+s->GetName()+"\2.");
1132 this->WriteLine("BURST");
1133 /* send our version string */
1134 this->WriteLine(":"+Srv->GetServerName()+" VERSION :"+Srv->GetVersion());
1135 /* Send server tree */
1136 this->SendServers(TreeRoot,s,1);
1137 /* Send users and their oper status */
1139 /* Send everything else (channel modes, xlines etc) */
1140 this->SendChannelModes(s);
1141 this->SendXLines(s);
1142 this->WriteLine("ENDBURST");
1143 Srv->SendOpers("*** Finished bursting to \2"+s->GetName()+"\2.");
1146 /* This function is called when we receive data from a remote
1147 * server. We buffer the data in a std::string (it doesnt stay
1148 * there for long), reading using InspSocket::Read() which can
1149 * read up to 16 kilobytes in one operation.
1151 * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES
1152 * THE SOCKET OBJECT FOR US.
1154 virtual bool OnDataReady()
1156 char* data = this->Read();
1159 this->in_buffer += data;
1160 /* While there is at least one new line in the buffer,
1161 * do something useful (we hope!) with it.
1163 while (in_buffer.find("\n") != std::string::npos)
1165 char* line = (char*)in_buffer.c_str();
1166 std::string ret = "";
1167 while ((*line != '\n') && (strlen(line)))
1172 if ((*line == '\n') || (*line == '\r'))
1175 /* Process this one, abort if it
1176 * didnt return true.
1182 log(DEBUG,"Original string '%s'",ret.c_str());
1183 int nbytes = from64tobits(out, ret.c_str(), 1024);
1184 log(DEBUG,"m_spanningtree: decrypt %d bytes",nbytes);
1185 ctx->Decrypt(out, result, nbytes, 0);
1186 for (int t = 0; t < nbytes; t++)
1187 if (result[t] == '\7') result[t] = 0;
1190 if (!this->ProcessLine(ret))
1196 return (data != NULL);
1199 int WriteLine(std::string line)
1201 log(DEBUG,"OUT: %s",line.c_str());
1204 log(DEBUG,"AES context");
1206 char result64[1024];
1207 if (this->keylength)
1209 while (line.length() % this->keylength != 0)
1211 // pad it to be a multiple of the key length
1215 ctx->Encrypt(line.c_str(), result, line.length(),0);
1216 to64frombits((unsigned char*)result64,
1217 (unsigned char*)result,
1220 log(DEBUG,"Encrypted: %s",line.c_str());
1221 //int from64tobits(char *out, const char *in, int maxlen);
1223 return this->Write(line + "\r\n");
1226 /* Handle ERROR command */
1227 bool Error(std::deque<std::string> params)
1229 if (params.size() < 1)
1231 std::string Errmsg = params[0];
1232 std::string SName = myhost;
1233 if (InboundServerName != "")
1235 SName = InboundServerName;
1237 Srv->SendOpers("*** ERROR from "+SName+": "+Errmsg);
1238 /* we will return false to cause the socket to close.
1243 /* Because the core won't let users or even SERVERS set +o,
1244 * we use the OPERTYPE command to do this.
1246 bool OperType(std::string prefix, std::deque<std::string> ¶ms)
1248 if (params.size() != 1)
1250 std::string opertype = params[0];
1251 userrec* u = Srv->FindNick(prefix);
1254 strlcpy(u->oper,opertype.c_str(),NICKMAX);
1255 if (!strchr(u->modes,'o'))
1257 strcat(u->modes,"o");
1259 DoOneToAllButSender(u->nick,"OPERTYPE",params,u->server);
1264 /* Because Andy insists that services-compatible servers must
1265 * implement SVSNICK and SVSJOIN, that's exactly what we do :p
1267 bool ForceNick(std::string prefix, std::deque<std::string> ¶ms)
1269 if (params.size() < 3)
1271 userrec* u = Srv->FindNick(params[0]);
1274 Srv->ChangeUserNick(u,params[1]);
1275 u->age = atoi(params[2].c_str());
1276 DoOneToAllButSender(prefix,"SVSNICK",params,prefix);
1281 bool ServiceJoin(std::string prefix, std::deque<std::string> ¶ms)
1283 if (params.size() < 2)
1285 userrec* u = Srv->FindNick(params[0]);
1288 Srv->JoinUserToChannel(u,params[1],"");
1289 DoOneToAllButSender(prefix,"SVSJOIN",params,prefix);
1294 bool RemoteRehash(std::string prefix, std::deque<std::string> ¶ms)
1296 if (params.size() < 1)
1298 std::string servermask = params[0];
1299 if (Srv->MatchText(Srv->GetServerName(),servermask))
1301 Srv->SendOpers("*** Remote rehash initiated from server \002"+prefix+"\002.");
1302 Srv->RehashServer();
1303 ReadConfiguration(false);
1305 DoOneToAllButSender(prefix,"REHASH",params,prefix);
1309 bool RemoteKill(std::string prefix, std::deque<std::string> ¶ms)
1311 if (params.size() != 2)
1313 std::string nick = params[0];
1314 userrec* u = Srv->FindNick(prefix);
1315 userrec* who = Srv->FindNick(nick);
1318 /* Prepend kill source, if we don't have one */
1319 std::string sourceserv = prefix;
1322 sourceserv = u->server;
1324 if (*(params[1].c_str()) != '[')
1326 params[1] = "[" + sourceserv + "] Killed (" + params[1] +")";
1328 std::string reason = params[1];
1329 params[1] = ":" + params[1];
1330 DoOneToAllButSender(prefix,"KILL",params,sourceserv);
1331 Srv->QuitUser(who,reason);
1336 bool LocalPong(std::string prefix, std::deque<std::string> ¶ms)
1338 if (params.size() < 1)
1340 TreeServer* ServerSource = FindServer(prefix);
1343 ServerSource->SetPingFlag();
1348 bool MetaData(std::string prefix, std::deque<std::string> ¶ms)
1350 if (params.size() < 3)
1352 TreeServer* ServerSource = FindServer(prefix);
1355 if (*(params[0].c_str()) == '#')
1357 chanrec* c = Srv->FindChannel(params[0]);
1360 FOREACH_MOD OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2]);
1365 userrec* u = Srv->FindNick(params[0]);
1368 FOREACH_MOD OnDecodeMetaData(TYPE_USER,u,params[1],params[2]);
1372 params[2] = ":" + params[2];
1373 DoOneToAllButSender(prefix,"METADATA",params,prefix);
1377 bool ServerVersion(std::string prefix, std::deque<std::string> ¶ms)
1379 if (params.size() < 1)
1381 TreeServer* ServerSource = FindServer(prefix);
1384 ServerSource->SetVersion(params[0]);
1386 params[0] = ":" + params[0];
1387 DoOneToAllButSender(prefix,"VERSION",params,prefix);
1391 bool ChangeHost(std::string prefix, std::deque<std::string> ¶ms)
1393 if (params.size() < 1)
1395 userrec* u = Srv->FindNick(prefix);
1398 Srv->ChangeHost(u,params[0]);
1399 DoOneToAllButSender(prefix,"FHOST",params,u->server);
1404 bool AddLine(std::string prefix, std::deque<std::string> ¶ms)
1406 if (params.size() < 6)
1408 std::string linetype = params[0]; /* Z, Q, E, G, K */
1409 std::string mask = params[1]; /* Line type dependent */
1410 std::string source = params[2]; /* may not be online or may be a server */
1411 std::string settime = params[3]; /* EPOCH time set */
1412 std::string duration = params[4]; /* Duration secs */
1413 std::string reason = params[5];
1415 switch (*(linetype.c_str()))
1418 add_zline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1419 zline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
1422 add_qline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1423 qline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
1426 add_eline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1427 eline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
1430 add_gline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1431 gline_set_creation_time((char*)mask.c_str(), atoi(settime.c_str()));
1434 add_kline(atoi(duration.c_str()), source.c_str(), reason.c_str(), mask.c_str());
1437 /* Just in case... */
1438 Srv->SendOpers("*** \2WARNING\2: Invalid xline type '"+linetype+"' sent by server "+prefix+", ignored!");
1441 /* Send it on its way */
1442 params[5] = ":" + params[5];
1443 DoOneToAllButSender(prefix,"ADDLINE",params,prefix);
1447 bool ChangeName(std::string prefix, std::deque<std::string> ¶ms)
1449 if (params.size() < 1)
1451 userrec* u = Srv->FindNick(prefix);
1454 Srv->ChangeGECOS(u,params[0]);
1455 params[0] = ":" + params[0];
1456 DoOneToAllButSender(prefix,"FNAME",params,u->server);
1461 bool Whois(std::string prefix, std::deque<std::string> ¶ms)
1463 if (params.size() < 1)
1465 log(DEBUG,"In IDLE command");
1466 userrec* u = Srv->FindNick(prefix);
1469 log(DEBUG,"USER EXISTS: %s",u->nick);
1470 // an incoming request
1471 if (params.size() == 1)
1473 userrec* x = Srv->FindNick(params[0]);
1476 userrec* x = Srv->FindNick(params[0]);
1477 log(DEBUG,"Got IDLE");
1478 char signon[MAXBUF];
1480 log(DEBUG,"Sending back IDLE 3");
1481 snprintf(signon,MAXBUF,"%lu",(unsigned long)x->signon);
1482 snprintf(idle,MAXBUF,"%lu",(unsigned long)abs((x->idle_lastmsg)-time(NULL)));
1483 std::deque<std::string> par;
1484 par.push_back(prefix);
1485 par.push_back(signon);
1486 par.push_back(idle);
1487 // ours, we're done, pass it BACK
1488 DoOneToOne(params[0],"IDLE",par,u->server);
1492 // not ours pass it on
1493 DoOneToOne(prefix,"IDLE",params,x->server);
1496 else if (params.size() == 3)
1498 std::string who_did_the_whois = params[0];
1499 userrec* who_to_send_to = Srv->FindNick(who_did_the_whois);
1500 if (who_to_send_to->fd > -1)
1502 log(DEBUG,"Got final IDLE");
1503 // an incoming reply to a whois we sent out
1504 std::string nick_whoised = prefix;
1505 unsigned long signon = atoi(params[1].c_str());
1506 unsigned long idle = atoi(params[2].c_str());
1507 if ((who_to_send_to) && (who_to_send_to->fd > -1))
1508 do_whois(who_to_send_to,u,signon,idle,(char*)nick_whoised.c_str());
1512 // not ours, pass it on
1513 DoOneToOne(prefix,"IDLE",params,who_to_send_to->server);
1520 bool LocalPing(std::string prefix, std::deque<std::string> ¶ms)
1522 if (params.size() < 1)
1524 std::string stufftobounce = params[0];
1525 this->WriteLine(":"+Srv->GetServerName()+" PONG "+stufftobounce);
1529 bool RemoteServer(std::string prefix, std::deque<std::string> ¶ms)
1531 if (params.size() < 4)
1533 std::string servername = params[0];
1534 std::string password = params[1];
1535 // hopcount is not used for a remote server, we calculate this ourselves
1536 std::string description = params[3];
1537 TreeServer* ParentOfThis = FindServer(prefix);
1540 this->WriteLine("ERROR :Protocol error - Introduced remote server from unknown server "+prefix);
1543 TreeServer* CheckDupe = FindServer(servername);
1546 this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
1547 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
1550 TreeServer* Node = new TreeServer(servername,description,ParentOfThis,NULL);
1551 ParentOfThis->AddChild(Node);
1552 params[3] = ":" + params[3];
1553 DoOneToAllButSender(prefix,"SERVER",params,prefix);
1554 Srv->SendOpers("*** Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")");
1558 bool Outbound_Reply_Server(std::deque<std::string> ¶ms)
1560 if (params.size() < 4)
1562 std::string servername = params[0];
1563 std::string password = params[1];
1564 int hops = atoi(params[2].c_str());
1567 this->WriteLine("ERROR :Server too far away for authentication");
1568 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, server is too far away for authentication");
1571 std::string description = params[3];
1572 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
1574 if ((x->Name == servername) && (x->RecvPass == password))
1576 TreeServer* CheckDupe = FindServer(servername);
1579 this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
1580 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
1583 // Begin the sync here. this kickstarts the
1584 // other side, waiting in WAIT_AUTH_2 state,
1585 // into starting their burst, as it shows
1586 // that we're happy.
1587 this->LinkState = CONNECTED;
1588 // we should add the details of this server now
1589 // to the servers tree, as a child of the root
1591 TreeServer* Node = new TreeServer(servername,description,TreeRoot,this);
1592 TreeRoot->AddChild(Node);
1593 params[3] = ":" + params[3];
1594 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,servername);
1595 this->bursting = true;
1596 this->DoBurst(Node);
1600 this->WriteLine("ERROR :Invalid credentials");
1601 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, invalid link credentials");
1605 bool Inbound_Server(std::deque<std::string> ¶ms)
1607 if (params.size() < 4)
1609 std::string servername = params[0];
1610 std::string password = params[1];
1611 int hops = atoi(params[2].c_str());
1614 this->WriteLine("ERROR :Server too far away for authentication");
1615 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, server is too far away for authentication");
1618 std::string description = params[3];
1619 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
1621 if ((x->Name == servername) && (x->RecvPass == password))
1623 TreeServer* CheckDupe = FindServer(servername);
1626 this->WriteLine("ERROR :Server "+servername+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
1627 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
1630 /* If the config says this link is encrypted, but the remote side
1631 * hasnt bothered to send the AES command before SERVER, then we
1632 * boot them off as we MUST have this connection encrypted.
1634 if ((x->EncryptionKey != "") && (!this->ctx))
1636 this->WriteLine("ERROR :This link requires AES encryption to be enabled. Plaintext connection refused.");
1637 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, remote server did not enable AES.");
1640 Srv->SendOpers("*** Verified incoming server connection from \002"+servername+"\002["+this->GetIP()+"] ("+description+")");
1641 this->InboundServerName = servername;
1642 this->InboundDescription = description;
1643 // this is good. Send our details: Our server name and description and hopcount of 0,
1644 // along with the sendpass from this block.
1645 this->WriteLine("SERVER "+Srv->GetServerName()+" "+x->SendPass+" 0 :"+Srv->GetServerDescription());
1646 // move to the next state, we are now waiting for THEM.
1647 this->LinkState = WAIT_AUTH_2;
1651 this->WriteLine("ERROR :Invalid credentials");
1652 Srv->SendOpers("*** Server connection from \2"+servername+"\2 denied, invalid link credentials");
1656 void Split(std::string line, bool stripcolon, std::deque<std::string> &n)
1658 if (!strchr(line.c_str(),' '))
1663 std::stringstream s(line);
1664 std::string param = "";
1683 if ((param == ":") && (item > 0))
1706 bool ProcessLine(std::string line)
1708 char* l = (char*)line.c_str();
1709 while ((strlen(l)) && (l[strlen(l)-1] == '\r') || (l[strlen(l)-1] == '\n'))
1710 l[strlen(l)-1] = '\0';
1714 Srv->Log(DEBUG,"IN: "+line);
1715 std::deque<std::string> params;
1716 this->Split(line,true,params);
1717 std::string command = "";
1718 std::string prefix = "";
1719 if (((params[0].c_str())[0] == ':') && (params.size() > 1))
1722 command = params[1];
1723 char* pref = (char*)prefix.c_str();
1731 command = params[0];
1735 if ((!this->ctx) && (command == "AES"))
1737 std::string sserv = params[0];
1738 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
1740 if ((x->EncryptionKey != "") && (x->Name == sserv))
1742 this->InitAES(x->EncryptionKey,sserv);
1747 else if ((this->ctx) && (command == "AES"))
1749 WriteOpers("*** \2AES\2: Encryption already enabled on this connection yet %s is trying to enable it twice!",params[0].c_str());
1752 switch (this->LinkState)
1757 // Waiting for SERVER command from remote server. Server initiating
1758 // the connection sends the first SERVER command, listening server
1759 // replies with theirs if its happy, then if the initiator is happy,
1760 // it starts to send its net sync, which starts the merge, otherwise
1761 // it sends an ERROR.
1762 if (command == "PASS")
1764 /* Silently ignored */
1766 else if (command == "SERVER")
1768 return this->Inbound_Server(params);
1770 else if (command == "ERROR")
1772 return this->Error(params);
1774 else if (command == "USER")
1776 this->WriteLine("ERROR :Client connections to this port are prohibited.");
1781 this->WriteLine("ERROR :Invalid command in negotiation phase.");
1786 // Waiting for start of other side's netmerge to say they liked our
1788 if (command == "SERVER")
1790 // cant do this, they sent it to us in the WAIT_AUTH_1 state!
1794 else if (command == "BURST")
1796 this->LinkState = CONNECTED;
1797 Node = new TreeServer(InboundServerName,InboundDescription,TreeRoot,this);
1798 TreeRoot->AddChild(Node);
1800 params.push_back(InboundServerName);
1801 params.push_back("*");
1802 params.push_back("1");
1803 params.push_back(":"+InboundDescription);
1804 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,InboundServerName);
1805 this->bursting = true;
1806 this->DoBurst(Node);
1808 else if (command == "ERROR")
1810 return this->Error(params);
1815 this->WriteLine("ERROR :Internal error -- listening socket accepted its own descriptor!!!");
1819 if (command == "SERVER")
1821 // another server we connected to, which was in WAIT_AUTH_1 state,
1822 // has just sent us their credentials. If we get this far, theyre
1823 // happy with OUR credentials, and they are now in WAIT_AUTH_2 state.
1824 // if we're happy with this, we should send our netburst which
1825 // kickstarts the merge.
1826 return this->Outbound_Reply_Server(params);
1828 else if (command == "ERROR")
1830 return this->Error(params);
1834 // This is the 'authenticated' state, when all passwords
1835 // have been exchanged and anything past this point is taken
1840 std::string direction = prefix;
1841 userrec* t = Srv->FindNick(prefix);
1844 direction = t->server;
1846 TreeServer* route_back_again = BestRouteTo(direction);
1847 if ((!route_back_again) || (route_back_again->GetSocket() != this))
1849 if (route_back_again)
1851 WriteOpers("*** Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
1855 WriteOpers("*** Protocol violation: Invalid source '%s' in command '%s' from connection '%s'",direction.c_str(),line.c_str(),this->GetName().c_str());
1862 if (command == "SVSMODE")
1864 /* Services expects us to implement
1865 * SVSMODE. In inspircd its the same as
1870 std::string target = "";
1871 /* Yes, know, this is a mess. Its reasonably fast though as we're
1872 * working with std::string here.
1874 if ((command == "NICK") && (params.size() > 1))
1876 return this->IntroduceClient(prefix,params);
1878 else if (command == "FJOIN")
1880 return this->ForceJoin(prefix,params);
1882 else if (command == "SERVER")
1884 return this->RemoteServer(prefix,params);
1886 else if (command == "ERROR")
1888 return this->Error(params);
1890 else if (command == "OPERTYPE")
1892 return this->OperType(prefix,params);
1894 else if (command == "FMODE")
1896 return this->ForceMode(prefix,params);
1898 else if (command == "KILL")
1900 return this->RemoteKill(prefix,params);
1902 else if (command == "FTOPIC")
1904 return this->ForceTopic(prefix,params);
1906 else if (command == "REHASH")
1908 return this->RemoteRehash(prefix,params);
1910 else if (command == "METADATA")
1912 return this->MetaData(prefix,params);
1914 else if (command == "PING")
1916 return this->LocalPing(prefix,params);
1918 else if (command == "PONG")
1920 return this->LocalPong(prefix,params);
1922 else if (command == "VERSION")
1924 return this->ServerVersion(prefix,params);
1926 else if (command == "FHOST")
1928 return this->ChangeHost(prefix,params);
1930 else if (command == "FNAME")
1932 return this->ChangeName(prefix,params);
1934 else if (command == "ADDLINE")
1936 return this->AddLine(prefix,params);
1938 else if (command == "SVSNICK")
1942 prefix = this->GetName();
1944 return this->ForceNick(prefix,params);
1946 else if (command == "IDLE")
1948 return this->Whois(prefix,params);
1950 else if (command == "SVSJOIN")
1954 prefix = this->GetName();
1956 return this->ServiceJoin(prefix,params);
1958 else if (command == "SQUIT")
1960 if (params.size() == 2)
1962 this->Squit(FindServer(params[0]),params[1]);
1966 else if (command == "ENDBURST")
1968 this->bursting = false;
1973 // not a special inter-server command.
1974 // Emulate the actual user doing the command,
1975 // this saves us having a huge ugly parser.
1976 userrec* who = Srv->FindNick(prefix);
1977 std::string sourceserv = this->myhost;
1978 if (this->InboundServerName != "")
1980 sourceserv = this->InboundServerName;
1985 target = who->server;
1986 char* strparams[127];
1987 for (unsigned int q = 0; q < params.size(); q++)
1989 strparams[q] = (char*)params[q].c_str();
1991 Srv->CallCommandHandler(command, strparams, params.size(), who);
1995 // its not a user. Its either a server, or somethings screwed up.
1996 if (IsServer(prefix))
1998 target = Srv->GetServerName();
2002 log(DEBUG,"Command with unknown origin '%s'",prefix.c_str());
2006 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
2015 virtual std::string GetName()
2017 std::string sourceserv = this->myhost;
2018 if (this->InboundServerName != "")
2020 sourceserv = this->InboundServerName;
2025 virtual void OnTimeout()
2027 if (this->LinkState == CONNECTING)
2029 Srv->SendOpers("*** CONNECT: Connection to \002"+myhost+"\002 timed out.");
2033 virtual void OnClose()
2035 // Connection closed.
2036 // If the connection is fully up (state CONNECTED)
2037 // then propogate a netsplit to all peers.
2038 std::string quitserver = this->myhost;
2039 if (this->InboundServerName != "")
2041 quitserver = this->InboundServerName;
2043 TreeServer* s = FindServer(quitserver);
2046 Squit(s,"Remote host closed the connection");
2050 virtual int OnIncomingConnection(int newsock, char* ip)
2052 TreeSocket* s = new TreeSocket(newsock, ip);
2058 void AddThisServer(TreeServer* server, std::deque<TreeServer*> &list)
2060 for (unsigned int c = 0; c < list.size(); c++)
2062 if (list[c] == server)
2067 list.push_back(server);
2070 // returns a list of DIRECT servernames for a specific channel
2071 void GetListOfServersForChannel(chanrec* c, std::deque<TreeServer*> &list)
2073 std::vector<char*> *ulist = c->GetUsers();
2074 unsigned int ucount = ulist->size();
2075 for (unsigned int i = 0; i < ucount; i++)
2077 char* o = (*ulist)[i];
2078 userrec* otheruser = (userrec*)o;
2079 if (otheruser->fd < 0)
2081 TreeServer* best = BestRouteTo(otheruser->server);
2083 AddThisServer(best,list);
2089 bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, std::string command, std::deque<std::string> ¶ms)
2091 TreeServer* omitroute = BestRouteTo(omit);
2092 if ((command == "NOTICE") || (command == "PRIVMSG"))
2094 if ((params.size() >= 2) && (*(params[0].c_str()) != '$'))
2096 if (*(params[0].c_str()) != '#')
2098 // special routing for private messages/notices
2099 userrec* d = Srv->FindNick(params[0]);
2102 std::deque<std::string> par;
2103 par.push_back(params[0]);
2104 par.push_back(":"+params[1]);
2105 DoOneToOne(prefix,command,par,d->server);
2111 log(DEBUG,"Channel privmsg going to chan %s",params[0].c_str());
2112 chanrec* c = Srv->FindChannel(params[0]);
2115 std::deque<TreeServer*> list;
2116 GetListOfServersForChannel(c,list);
2117 log(DEBUG,"Got a list of %d servers",list.size());
2118 unsigned int lsize = list.size();
2119 for (unsigned int i = 0; i < lsize; i++)
2121 TreeSocket* Sock = list[i]->GetSocket();
2122 if ((Sock) && (list[i]->GetName() != omit) && (omitroute != list[i]))
2124 log(DEBUG,"Writing privmsg to server %s",list[i]->GetName().c_str());
2125 Sock->WriteLine(data);
2133 unsigned int items = TreeRoot->ChildCount();
2134 for (unsigned int x = 0; x < items; x++)
2136 TreeServer* Route = TreeRoot->GetChild(x);
2137 if ((Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
2139 TreeSocket* Sock = Route->GetSocket();
2140 Sock->WriteLine(data);
2146 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string omit)
2148 TreeServer* omitroute = BestRouteTo(omit);
2149 std::string FullLine = ":" + prefix + " " + command;
2150 unsigned int words = params.size();
2151 for (unsigned int x = 0; x < words; x++)
2153 FullLine = FullLine + " " + params[x];
2155 unsigned int items = TreeRoot->ChildCount();
2156 for (unsigned int x = 0; x < items; x++)
2158 TreeServer* Route = TreeRoot->GetChild(x);
2159 // Send the line IF:
2160 // The route has a socket (its a direct connection)
2161 // The route isnt the one to be omitted
2162 // The route isnt the path to the one to be omitted
2163 if ((Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
2165 TreeSocket* Sock = Route->GetSocket();
2166 Sock->WriteLine(FullLine);
2172 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> ¶ms)
2174 std::string FullLine = ":" + prefix + " " + command;
2175 unsigned int words = params.size();
2176 for (unsigned int x = 0; x < words; x++)
2178 FullLine = FullLine + " " + params[x];
2180 unsigned int items = TreeRoot->ChildCount();
2181 for (unsigned int x = 0; x < items; x++)
2183 TreeServer* Route = TreeRoot->GetChild(x);
2184 if (Route->GetSocket())
2186 TreeSocket* Sock = Route->GetSocket();
2187 Sock->WriteLine(FullLine);
2193 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string target)
2195 TreeServer* Route = BestRouteTo(target);
2198 std::string FullLine = ":" + prefix + " " + command;
2199 unsigned int words = params.size();
2200 for (unsigned int x = 0; x < words; x++)
2202 FullLine = FullLine + " " + params[x];
2204 if (Route->GetSocket())
2206 TreeSocket* Sock = Route->GetSocket();
2207 Sock->WriteLine(FullLine);
2217 std::vector<TreeSocket*> Bindings;
2219 void ReadConfiguration(bool rebind)
2221 Conf = new ConfigReader;
2224 for (int j =0; j < Conf->Enumerate("bind"); j++)
2226 std::string Type = Conf->ReadValue("bind","type",j);
2227 std::string IP = Conf->ReadValue("bind","address",j);
2228 long Port = Conf->ReadInteger("bind","port",j,true);
2229 if (Type == "servers")
2235 TreeSocket* listener = new TreeSocket(IP.c_str(),Port,true,10);
2236 if (listener->GetState() == I_LISTENING)
2238 Srv->AddSocket(listener);
2239 Bindings.push_back(listener);
2243 log(DEFAULT,"m_spanningtree: Warning: Failed to bind server port %d",Port);
2251 for (int j =0; j < Conf->Enumerate("link"); j++)
2254 L.Name = Conf->ReadValue("link","name",j);
2255 L.IPAddr = Conf->ReadValue("link","ipaddr",j);
2256 L.Port = Conf->ReadInteger("link","port",j,true);
2257 L.SendPass = Conf->ReadValue("link","sendpass",j);
2258 L.RecvPass = Conf->ReadValue("link","recvpass",j);
2259 L.AutoConnect = Conf->ReadInteger("link","autoconnect",j,true);
2260 L.EncryptionKey = Conf->ReadValue("link","encryptionkey",j);
2261 L.NextConnectTime = time(NULL) + L.AutoConnect;
2262 /* Bugfix by brain, do not allow people to enter bad configurations */
2263 if ((L.RecvPass != "") && (L.SendPass != "") && (L.Name != "") && (L.Port))
2265 LinkBlocks.push_back(L);
2266 log(DEBUG,"m_spanningtree: Read server %s with host %s:%d",L.Name.c_str(),L.IPAddr.c_str(),L.Port);
2270 log(DEFAULT,"m_spanningtree: Invalid configuration for server '%s', ignored!",L.Name.c_str());
2277 class ModuleSpanningTree : public Module
2279 std::vector<TreeSocket*> Bindings;
2285 ModuleSpanningTree(Server* Me)
2286 : Module::Module(Me)
2291 // Create the root of the tree
2292 TreeRoot = new TreeServer(Srv->GetServerName(),Srv->GetServerDescription());
2294 ReadConfiguration(true);
2297 void ShowLinks(TreeServer* Current, userrec* user, int hops)
2299 std::string Parent = TreeRoot->GetName();
2300 if (Current->GetParent())
2302 Parent = Current->GetParent()->GetName();
2304 for (unsigned int q = 0; q < Current->ChildCount(); q++)
2306 ShowLinks(Current->GetChild(q),user,hops+1);
2308 WriteServ(user->fd,"364 %s %s %s :%d %s",user->nick,Current->GetName().c_str(),Parent.c_str(),hops,Current->GetDesc().c_str());
2311 int CountLocalServs()
2313 return TreeRoot->ChildCount();
2318 return serverlist.size();
2321 void HandleLinks(char** parameters, int pcnt, userrec* user)
2323 ShowLinks(TreeRoot,user,0);
2324 WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
2328 void HandleLusers(char** parameters, int pcnt, userrec* user)
2330 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),this->CountServs());
2331 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
2332 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
2333 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
2334 WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),this->CountLocalServs());
2338 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
2340 void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][80])
2344 for (int t = 0; t < depth; t++)
2346 matrix[line][t] = ' ';
2348 strlcpy(&matrix[line][depth],Current->GetName().c_str(),80);
2350 for (unsigned int q = 0; q < Current->ChildCount(); q++)
2352 ShowMap(Current->GetChild(q),user,depth+2,matrix);
2357 // Ok, prepare to be confused.
2358 // After much mulling over how to approach this, it struck me that
2359 // the 'usual' way of doing a /MAP isnt the best way. Instead of
2360 // keeping track of a ton of ascii characters, and line by line
2361 // under recursion working out where to place them using multiplications
2362 // and divisons, we instead render the map onto a backplane of characters
2363 // (a character matrix), then draw the branches as a series of "L" shapes
2364 // from the nodes. This is not only friendlier on CPU it uses less stack.
2366 void HandleMap(char** parameters, int pcnt, userrec* user)
2368 // This array represents a virtual screen which we will
2369 // "scratch" draw to, as the console device of an irc
2370 // client does not provide for a proper terminal.
2371 char matrix[128][80];
2372 for (unsigned int t = 0; t < 128; t++)
2374 matrix[t][0] = '\0';
2377 // The only recursive bit is called here.
2378 ShowMap(TreeRoot,user,0,matrix);
2379 // Process each line one by one. The algorithm has a limit of
2380 // 128 servers (which is far more than a spanning tree should have
2381 // anyway, so we're ok). This limit can be raised simply by making
2382 // the character matrix deeper, 128 rows taking 10k of memory.
2383 for (int l = 1; l < line; l++)
2385 // scan across the line looking for the start of the
2386 // servername (the recursive part of the algorithm has placed
2387 // the servers at indented positions depending on what they
2389 int first_nonspace = 0;
2390 while (matrix[l][first_nonspace] == ' ')
2395 // Draw the `- (corner) section: this may be overwritten by
2396 // another L shape passing along the same vertical pane, becoming
2397 // a |- (branch) section instead.
2398 matrix[l][first_nonspace] = '-';
2399 matrix[l][first_nonspace-1] = '`';
2401 // Draw upwards until we hit the parent server, causing possibly
2402 // other corners (`-) to become branches (|-)
2403 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
2405 matrix[l2][first_nonspace-1] = '|';
2409 // dump the whole lot to the user. This is the easy bit, honest.
2410 for (int t = 0; t < line; t++)
2412 WriteServ(user->fd,"006 %s :%s",user->nick,&matrix[t][0]);
2414 WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
2418 int HandleSquit(char** parameters, int pcnt, userrec* user)
2420 TreeServer* s = FindServerMask(parameters[0]);
2425 WriteServ(user->fd,"NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
2428 TreeSocket* sock = s->GetSocket();
2431 log(DEBUG,"Splitting server %s",s->GetName().c_str());
2432 WriteOpers("*** SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
2433 sock->Squit(s,"Server quit by "+std::string(user->nick)+"!"+std::string(user->ident)+"@"+std::string(user->host));
2438 WriteServ(user->fd,"NOTICE %s :*** SQUIT: The server \002%s\002 is not directly connected.",user->nick,parameters[0]);
2443 WriteServ(user->fd,"NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
2448 int HandleRemoteWhois(char** parameters, int pcnt, userrec* user)
2450 if ((user->fd > -1) && (pcnt > 1))
2452 userrec* remote = Srv->FindNick(parameters[1]);
2453 if ((remote) && (remote->fd < 0))
2455 std::deque<std::string> params;
2456 params.push_back(parameters[1]);
2457 DoOneToOne(user->nick,"IDLE",params,remote->server);
2462 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
2463 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
2470 void DoPingChecks(time_t curtime)
2472 for (unsigned int j = 0; j < TreeRoot->ChildCount(); j++)
2474 TreeServer* serv = TreeRoot->GetChild(j);
2475 TreeSocket* sock = serv->GetSocket();
2478 if (curtime >= serv->NextPingTime())
2480 if (serv->AnsweredLastPing())
2482 sock->WriteLine(":"+Srv->GetServerName()+" PING "+serv->GetName());
2483 serv->SetNextPingTime(curtime + 60);
2487 // they didnt answer, boot them
2488 WriteOpers("*** Server \002%s\002 pinged out",serv->GetName().c_str());
2489 sock->Squit(serv,"Ping timeout");
2498 void AutoConnectServers(time_t curtime)
2500 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2502 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
2504 log(DEBUG,"Auto-Connecting %s",x->Name.c_str());
2505 x->NextConnectTime = curtime + x->AutoConnect;
2506 TreeServer* CheckDupe = FindServer(x->Name);
2509 // an autoconnected server is not connected. Check if its time to connect it
2510 WriteOpers("*** AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
2511 TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name);
2512 Srv->AddSocket(newsocket);
2518 int HandleVersion(char** parameters, int pcnt, userrec* user)
2520 // we've already checked if pcnt > 0, so this is safe
2521 TreeServer* found = FindServerMask(parameters[0]);
2524 std::string Version = found->GetVersion();
2525 WriteServ(user->fd,"351 %s :%s",user->nick,Version.c_str());
2529 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
2534 int HandleConnect(char** parameters, int pcnt, userrec* user)
2536 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2538 if (Srv->MatchText(x->Name.c_str(),parameters[0]))
2540 TreeServer* CheckDupe = FindServer(x->Name);
2543 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);
2544 TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name);
2545 Srv->AddSocket(newsocket);
2550 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());
2555 WriteServ(user->fd,"NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
2559 virtual bool HandleStats(char ** parameters, int pcnt, userrec* user)
2561 if (*parameters[0] == 'c')
2563 for (unsigned int i = 0; i < LinkBlocks.size(); i++)
2565 WriteServ(user->fd,"213 %s C *@%s * %s %d 0 %s",user->nick,LinkBlocks[i].IPAddr.c_str(),LinkBlocks[i].Name.c_str(),LinkBlocks[i].Port,(LinkBlocks[i].EncryptionKey != "" ? "es" : " s"));
2566 WriteServ(user->fd,"244 %s H * * %s",user->nick,LinkBlocks[i].Name.c_str());
2568 WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
2569 WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
2575 virtual int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user)
2577 if (command == "CONNECT")
2579 return this->HandleConnect(parameters,pcnt,user);
2581 else if (command == "SQUIT")
2583 return this->HandleSquit(parameters,pcnt,user);
2585 else if (command == "STATS")
2587 return this->HandleStats(parameters,pcnt,user);
2589 else if (command == "MAP")
2591 this->HandleMap(parameters,pcnt,user);
2594 else if (command == "LUSERS")
2596 this->HandleLusers(parameters,pcnt,user);
2599 else if (command == "LINKS")
2601 this->HandleLinks(parameters,pcnt,user);
2604 else if (command == "WHOIS")
2609 return this->HandleRemoteWhois(parameters,pcnt,user);
2612 else if ((command == "VERSION") && (pcnt > 0))
2614 this->HandleVersion(parameters,pcnt,user);
2617 else if (Srv->IsValidModuleCommand(command, pcnt, user))
2619 // this bit of code cleverly routes all module commands
2620 // to all remote severs *automatically* so that modules
2621 // can just handle commands locally, without having
2622 // to have any special provision in place for remote
2623 // commands and linking protocols.
2624 std::deque<std::string> params;
2626 for (int j = 0; j < pcnt; j++)
2628 if (strchr(parameters[j],' '))
2630 params.push_back(":" + std::string(parameters[j]));
2634 params.push_back(std::string(parameters[j]));
2637 DoOneToMany(user->nick,command,params);
2642 virtual void OnGetServerDescription(std::string servername,std::string &description)
2644 TreeServer* s = FindServer(servername);
2647 description = s->GetDesc();
2651 virtual void OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
2653 if (source->fd > -1)
2655 std::deque<std::string> params;
2656 params.push_back(dest->nick);
2657 params.push_back(channel->name);
2658 DoOneToMany(source->nick,"INVITE",params);
2662 virtual void OnPostLocalTopicChange(userrec* user, chanrec* chan, std::string topic)
2664 std::deque<std::string> params;
2665 params.push_back(chan->name);
2666 params.push_back(":"+topic);
2667 DoOneToMany(user->nick,"TOPIC",params);
2670 virtual void OnWallops(userrec* user, std::string text)
2674 std::deque<std::string> params;
2675 params.push_back(":"+text);
2676 DoOneToMany(user->nick,"WALLOPS",params);
2680 virtual void OnUserNotice(userrec* user, void* dest, int target_type, std::string text)
2682 if (target_type == TYPE_USER)
2684 userrec* d = (userrec*)dest;
2685 if ((d->fd < 0) && (user->fd > -1))
2687 std::deque<std::string> params;
2689 params.push_back(d->nick);
2690 params.push_back(":"+text);
2691 DoOneToOne(user->nick,"NOTICE",params,d->server);
2698 chanrec *c = (chanrec*)dest;
2699 std::deque<TreeServer*> list;
2700 GetListOfServersForChannel(c,list);
2701 unsigned int ucount = list.size();
2702 for (unsigned int i = 0; i < ucount; i++)
2704 TreeSocket* Sock = list[i]->GetSocket();
2706 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+std::string(c->name)+" :"+text);
2712 virtual void OnUserMessage(userrec* user, void* dest, int target_type, std::string text)
2714 if (target_type == TYPE_USER)
2716 // route private messages which are targetted at clients only to the server
2717 // which needs to receive them
2718 userrec* d = (userrec*)dest;
2719 if ((d->fd < 0) && (user->fd > -1))
2721 std::deque<std::string> params;
2723 params.push_back(d->nick);
2724 params.push_back(":"+text);
2725 DoOneToOne(user->nick,"PRIVMSG",params,d->server);
2732 chanrec *c = (chanrec*)dest;
2733 std::deque<TreeServer*> list;
2734 GetListOfServersForChannel(c,list);
2735 unsigned int ucount = list.size();
2736 for (unsigned int i = 0; i < ucount; i++)
2738 TreeSocket* Sock = list[i]->GetSocket();
2740 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+std::string(c->name)+" :"+text);
2746 virtual void OnBackgroundTimer(time_t curtime)
2748 AutoConnectServers(curtime);
2749 DoPingChecks(curtime);
2752 virtual void OnUserJoin(userrec* user, chanrec* channel)
2754 // Only do this for local users
2757 std::deque<std::string> params;
2759 params.push_back(channel->name);
2762 // if the channel has a key, force the join by emulating the key.
2763 params.push_back(channel->key);
2765 if (channel->GetUserCounter() > 1)
2767 // not the first in the channel
2768 DoOneToMany(user->nick,"JOIN",params);
2772 // first in the channel, set up their permissions
2773 // and the channel TS with FJOIN.
2775 snprintf(ts,24,"%lu",(unsigned long)channel->age);
2777 params.push_back(channel->name);
2778 params.push_back(ts);
2779 params.push_back("@"+std::string(user->nick));
2780 DoOneToMany(Srv->GetServerName(),"FJOIN",params);
2785 virtual void OnChangeHost(userrec* user, std::string newhost)
2787 // only occurs for local clients
2788 if (user->registered != 7)
2790 std::deque<std::string> params;
2791 params.push_back(newhost);
2792 DoOneToMany(user->nick,"FHOST",params);
2795 virtual void OnChangeName(userrec* user, std::string gecos)
2797 // only occurs for local clients
2798 if (user->registered != 7)
2800 std::deque<std::string> params;
2801 params.push_back(gecos);
2802 DoOneToMany(user->nick,"FNAME",params);
2805 virtual void OnUserPart(userrec* user, chanrec* channel)
2809 std::deque<std::string> params;
2810 params.push_back(channel->name);
2811 DoOneToMany(user->nick,"PART",params);
2815 virtual void OnUserConnect(userrec* user)
2817 char agestr[MAXBUF];
2820 std::deque<std::string> params;
2821 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
2822 params.push_back(agestr);
2823 params.push_back(user->nick);
2824 params.push_back(user->host);
2825 params.push_back(user->dhost);
2826 params.push_back(user->ident);
2827 params.push_back("+"+std::string(user->modes));
2828 params.push_back(user->ip);
2829 params.push_back(":"+std::string(user->fullname));
2830 DoOneToMany(Srv->GetServerName(),"NICK",params);
2834 virtual void OnUserQuit(userrec* user, std::string reason)
2836 if ((user->fd > -1) && (user->registered == 7))
2838 std::deque<std::string> params;
2839 params.push_back(":"+reason);
2840 DoOneToMany(user->nick,"QUIT",params);
2844 virtual void OnUserPostNick(userrec* user, std::string oldnick)
2848 std::deque<std::string> params;
2849 params.push_back(user->nick);
2850 DoOneToMany(oldnick,"NICK",params);
2854 virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason)
2856 if (source->fd > -1)
2858 std::deque<std::string> params;
2859 params.push_back(chan->name);
2860 params.push_back(user->nick);
2861 params.push_back(":"+reason);
2862 DoOneToMany(source->nick,"KICK",params);
2866 virtual void OnRemoteKill(userrec* source, userrec* dest, std::string reason)
2868 std::deque<std::string> params;
2869 params.push_back(dest->nick);
2870 params.push_back(":"+reason);
2871 DoOneToMany(source->nick,"KILL",params);
2874 virtual void OnRehash(std::string parameter)
2876 if (parameter != "")
2878 std::deque<std::string> params;
2879 params.push_back(parameter);
2880 DoOneToMany(Srv->GetServerName(),"REHASH",params);
2882 if (Srv->MatchText(Srv->GetServerName(),parameter))
2884 Srv->SendOpers("*** Remote rehash initiated from server \002"+Srv->GetServerName()+"\002.");
2885 Srv->RehashServer();
2888 ReadConfiguration(false);
2891 // note: the protocol does not allow direct umode +o except
2892 // via NICK with 8 params. sending OPERTYPE infers +o modechange
2894 virtual void OnOper(userrec* user, std::string opertype)
2898 std::deque<std::string> params;
2899 params.push_back(opertype);
2900 DoOneToMany(user->nick,"OPERTYPE",params);
2904 void OnLine(userrec* source, std::string host, bool adding, char linetype, long duration, std::string reason)
2906 if (source->fd > -1)
2909 snprintf(type,8,"%cLINE",linetype);
2910 std::string stype = type;
2913 char sduration[MAXBUF];
2914 snprintf(sduration,MAXBUF,"%ld",duration);
2915 std::deque<std::string> params;
2916 params.push_back(host);
2917 params.push_back(sduration);
2918 params.push_back(":"+reason);
2919 DoOneToMany(source->nick,stype,params);
2923 std::deque<std::string> params;
2924 params.push_back(host);
2925 DoOneToMany(source->nick,stype,params);
2930 virtual void OnAddGLine(long duration, userrec* source, std::string reason, std::string hostmask)
2932 OnLine(source,hostmask,true,'G',duration,reason);
2935 virtual void OnAddZLine(long duration, userrec* source, std::string reason, std::string ipmask)
2937 OnLine(source,ipmask,true,'Z',duration,reason);
2940 virtual void OnAddQLine(long duration, userrec* source, std::string reason, std::string nickmask)
2942 OnLine(source,nickmask,true,'Q',duration,reason);
2945 virtual void OnAddELine(long duration, userrec* source, std::string reason, std::string hostmask)
2947 OnLine(source,hostmask,true,'E',duration,reason);
2950 virtual void OnDelGLine(userrec* source, std::string hostmask)
2952 OnLine(source,hostmask,false,'G',0,"");
2955 virtual void OnDelZLine(userrec* source, std::string ipmask)
2957 OnLine(source,ipmask,false,'Z',0,"");
2960 virtual void OnDelQLine(userrec* source, std::string nickmask)
2962 OnLine(source,nickmask,false,'Q',0,"");
2965 virtual void OnDelELine(userrec* source, std::string hostmask)
2967 OnLine(source,hostmask,false,'E',0,"");
2970 virtual void OnMode(userrec* user, void* dest, int target_type, std::string text)
2972 if ((user->fd > -1) && (user->registered == 7))
2974 if (target_type == TYPE_USER)
2976 userrec* u = (userrec*)dest;
2977 std::deque<std::string> params;
2978 params.push_back(u->nick);
2979 params.push_back(text);
2980 DoOneToMany(user->nick,"MODE",params);
2984 chanrec* c = (chanrec*)dest;
2985 std::deque<std::string> params;
2986 params.push_back(c->name);
2987 params.push_back(text);
2988 DoOneToMany(user->nick,"MODE",params);
2993 virtual void ProtoSendMode(void* opaque, int target_type, void* target, std::string modeline)
2995 TreeSocket* s = (TreeSocket*)opaque;
2998 if (target_type == TYPE_USER)
3000 userrec* u = (userrec*)target;
3001 s->WriteLine(":"+Srv->GetServerName()+" FMODE "+u->nick+" "+modeline);
3005 chanrec* c = (chanrec*)target;
3006 s->WriteLine(":"+Srv->GetServerName()+" FMODE "+c->name+" "+modeline);
3011 virtual void ProtoSendMetaData(void* opaque, int target_type, void* target, std::string extname, std::string extdata)
3013 TreeSocket* s = (TreeSocket*)opaque;
3016 if (target_type == TYPE_USER)
3018 userrec* u = (userrec*)target;
3019 s->WriteLine(":"+Srv->GetServerName()+" METADATA "+u->nick+" "+extname+" :"+extdata);
3023 chanrec* c = (chanrec*)target;
3024 s->WriteLine(":"+Srv->GetServerName()+" METADATA "+c->name+" "+extname+" :"+extdata);
3029 virtual ~ModuleSpanningTree()
3033 virtual Version GetVersion()
3035 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
3040 class ModuleSpanningTreeFactory : public ModuleFactory
3043 ModuleSpanningTreeFactory()
3047 ~ModuleSpanningTreeFactory()
3051 virtual Module * CreateModule(Server* Me)
3053 TreeProtocolModule = new ModuleSpanningTree(Me);
3054 return TreeProtocolModule;
3060 extern "C" void * init_module( void )
3062 return new ModuleSpanningTreeFactory;