1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 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 "configreader.h"
32 #include "commands/cmd_whois.h"
33 #include "commands/cmd_stats.h"
35 #include "helperfuncs.h"
38 #include "inspstring.h"
42 #include "cull_list.h"
45 #define nspace __gnu_cxx
48 * The server list in InspIRCd is maintained as two structures
49 * which hold the data in different ways. Most of the time, we
50 * want to very quicky obtain three pieces of information:
52 * (1) The information on a server
53 * (2) The information on the server we must send data through
54 * to actually REACH the server we're after
55 * (3) Potentially, the child/parent objects of this server
57 * The InspIRCd spanning protocol provides easy access to these
58 * by storing the data firstly in a recursive structure, where
59 * each item references its parent item, and a dynamic list
60 * of child items, and another structure which stores the items
61 * hashed, linearly. This means that if we want to find a server
62 * by name quickly, we can look it up in the hash, avoiding
63 * any O(n) lookups. If however, during a split or sync, we want
64 * to apply an operation to a server, and any of its child objects
65 * we can resort to recursion to walk the tree structure.
68 using irc::sockets::MatchCIDR;
70 class ModuleSpanningTree;
71 static ModuleSpanningTree* TreeProtocolModule;
72 static InspIRCd* ServerInstance;
74 /* Any socket can have one of five states at any one time.
75 * The LISTENER state indicates a socket which is listening
76 * for connections. It cannot receive data itself, only incoming
78 * The CONNECTING state indicates an outbound socket which is
79 * waiting to be writeable.
80 * The WAIT_AUTH_1 state indicates the socket is outbound and
81 * has successfully connected, but has not yet sent and received
83 * The WAIT_AUTH_2 state indicates that the socket is inbound
84 * (allocated by a LISTENER) but has not yet sent and received
86 * The CONNECTED state represents a fully authorized, fully
89 enum ServerState { LISTENER, CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED };
91 /* Foward declarations */
95 /* This variable represents the root of the server tree
96 * (for all intents and purposes, it's us)
102 /* This hash_map holds the hash equivalent of the server
103 * tree, used for rapid linear lookups.
105 typedef nspace::hash_map<std::string, TreeServer*, nspace::hash<string>, irc::StrHashComp> server_hash;
106 server_hash serverlist;
108 typedef nspace::hash_map<std::string, userrec*> uid_hash;
109 typedef nspace::hash_map<std::string, char*> sid_hash;
111 /* More forward declarations */
112 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string target);
113 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string omit);
114 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> ¶ms);
115 bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, irc::string command, std::deque<std::string> ¶ms);
116 void ReadConfiguration(bool rebind);
118 /* Flatten links and /MAP for non-opers */
120 /* Hide U-Lined servers in /MAP and /LINKS */
123 /* Imported from xline.cpp for use during netburst */
124 extern std::vector<KLine> klines;
125 extern std::vector<GLine> glines;
126 extern std::vector<ZLine> zlines;
127 extern std::vector<QLine> qlines;
128 extern std::vector<ELine> elines;
129 extern std::vector<KLine> pklines;
130 extern std::vector<GLine> pglines;
131 extern std::vector<ZLine> pzlines;
132 extern std::vector<QLine> pqlines;
133 extern std::vector<ELine> pelines;
135 std::vector<std::string> ValidIPs;
137 class UserManager : public classbase
148 std::string UserToUID(userrec* user)
153 std::string UIDToUser(const std::string &UID)
158 std::string CreateAndAdd(userrec* user)
163 std::string CreateAndAdd(const std::string &servername)
168 std::string ServerToSID(const std::string &servername)
173 std::string SIDToServer(const std::string &SID)
178 userrec* FindByID(const std::string &UID)
185 /* Each server in the tree is represented by one class of
186 * type TreeServer. A locally connected TreeServer can
187 * have a class of type TreeSocket associated with it, for
188 * remote servers, the TreeSocket entry will be NULL.
189 * Each server also maintains a pointer to its parent
190 * (NULL if this server is ours, at the top of the tree)
191 * and a pointer to its "Route" (see the comments in the
192 * constructors below), and also a dynamic list of pointers
193 * to its children which can be iterated recursively
194 * if required. Creating or deleting objects of type
195 i* TreeServer automatically maintains the hash_map of
196 * TreeServer items, deleting and inserting them as they
197 * are created and destroyed.
200 class TreeServer : public classbase
202 InspIRCd* ServerInstance; /* Creator */
203 TreeServer* Parent; /* Parent entry */
204 TreeServer* Route; /* Route entry */
205 std::vector<TreeServer*> Children; /* List of child objects */
206 irc::string ServerName; /* Server's name */
207 std::string ServerDesc; /* Server's description */
208 std::string VersionString; /* Version string or empty string */
209 int UserCount; /* Not used in this version */
210 int OperCount; /* Not used in this version */
211 TreeSocket* Socket; /* For directly connected servers this points at the socket object */
212 time_t NextPing; /* After this time, the server should be PINGed*/
213 bool LastPingWasGood; /* True if the server responded to the last PING with a PONG */
217 /* We don't use this constructor. Its a dummy, and won't cause any insertion
218 * of the TreeServer into the hash_map. See below for the two we DO use.
220 TreeServer(InspIRCd* Instance) : ServerInstance(Instance)
226 UserCount = OperCount = 0;
227 VersionString = ServerInstance->GetVersionString();
230 /* We use this constructor only to create the 'root' item, TreeRoot, which
231 * represents our own server. Therefore, it has no route, no parent, and
232 * no socket associated with it. Its version string is our own local version.
234 TreeServer(InspIRCd* Instance, std::string Name, std::string Desc) : ServerInstance(Instance), ServerName(Name.c_str()), ServerDesc(Desc)
238 UserCount = OperCount = 0;
239 VersionString = ServerInstance->GetVersionString();
241 Socket = NULL; /* Fix by brain */
245 /* When we create a new server, we call this constructor to initialize it.
246 * This constructor initializes the server's Route and Parent, and sets up
247 * its ping counters so that it will be pinged one minute from now.
249 TreeServer(InspIRCd* Instance, std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock)
250 : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock)
253 UserCount = OperCount = 0;
254 this->SetNextPingTime(time(NULL) + 120);
257 /* find the 'route' for this server (e.g. the one directly connected
258 * to the local server, which we can use to reach it)
260 * In the following example, consider we have just added a TreeServer
261 * class for server G on our network, of which we are server A.
262 * To route traffic to G (marked with a *) we must send the data to
263 * B (marked with a +) so this algorithm initializes the 'Route'
264 * value to point at whichever server traffic must be routed through
265 * to get here. If we were to try this algorithm with server B,
266 * the Route pointer would point at its own object ('this').
276 * We only run this algorithm when a server is created, as
277 * the routes remain constant while ever the server exists, and
278 * do not need to be re-calculated.
282 if (Route == TreeRoot)
288 while (this->Route->GetParent() != TreeRoot)
290 this->Route = Route->GetParent();
294 /* Because recursive code is slow and takes a lot of resources,
295 * we store two representations of the server tree. The first
296 * is a recursive structure where each server references its
297 * children and its parent, which is used for netbursts and
298 * netsplits to dump the whole dataset to the other server,
299 * and the second is used for very fast lookups when routing
300 * messages and is instead a hash_map, where each item can
301 * be referenced by its server name. The AddHashEntry()
302 * call below automatically inserts each TreeServer class
303 * into the hash_map as it is created. There is a similar
304 * maintainance call in the destructor to tidy up deleted
308 this->AddHashEntry();
311 int QuitUsers(const std::string &reason)
313 log(DEBUG,"Removing all users from server %s",this->ServerName.c_str());
314 const char* reason_s = reason.c_str();
315 std::vector<userrec*> time_to_die;
316 for (user_hash::iterator n = ServerInstance->clientlist.begin(); n != ServerInstance->clientlist.end(); n++)
318 if (!strcmp(n->second->server, this->ServerName.c_str()))
320 time_to_die.push_back(n->second);
323 for (std::vector<userrec*>::iterator n = time_to_die.begin(); n != time_to_die.end(); n++)
325 userrec* a = (userrec*)*n;
326 log(DEBUG,"Kill %s fd=%d",a->nick,a->fd);
328 userrec::QuitUser(ServerInstance,a,reason_s);
330 return time_to_die.size();
333 /* This method is used to add the structure to the
334 * hash_map for linear searches. It is only called
335 * by the constructors.
339 server_hash::iterator iter;
340 iter = serverlist.find(this->ServerName.c_str());
341 if (iter == serverlist.end())
342 serverlist[this->ServerName.c_str()] = this;
345 /* This method removes the reference to this object
346 * from the hash_map which is used for linear searches.
347 * It is only called by the default destructor.
351 server_hash::iterator iter;
352 iter = serverlist.find(this->ServerName.c_str());
353 if (iter != serverlist.end())
354 serverlist.erase(iter);
357 /* These accessors etc should be pretty self-
361 TreeServer* GetRoute()
366 std::string GetName()
368 return ServerName.c_str();
371 std::string GetDesc()
376 std::string GetVersion()
378 return VersionString;
381 void SetNextPingTime(time_t t)
384 LastPingWasGood = false;
387 time_t NextPingTime()
392 bool AnsweredLastPing()
394 return LastPingWasGood;
399 LastPingWasGood = true;
422 TreeSocket* GetSocket()
427 TreeServer* GetParent()
432 void SetVersion(std::string Version)
434 VersionString = Version;
437 unsigned int ChildCount()
439 return Children.size();
442 TreeServer* GetChild(unsigned int n)
444 if (n < Children.size())
446 /* Make sure they cant request
447 * an out-of-range object. After
448 * all we know what these programmer
449 * types are like *grin*.
459 void AddChild(TreeServer* Child)
461 Children.push_back(Child);
464 bool DelChild(TreeServer* Child)
466 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
477 /* Removes child nodes of this node, and of that node, etc etc.
478 * This is used during netsplits to automatically tidy up the
479 * server tree. It is slow, we don't use it for much else.
483 bool stillchildren = true;
484 while (stillchildren)
486 stillchildren = false;
487 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
489 TreeServer* s = (TreeServer*)*a;
493 stillchildren = true;
502 /* We'd better tidy up after ourselves, eh? */
503 this->DelHashEntry();
507 /* The Link class might as well be a struct,
508 * but this is C++ and we don't believe in structs (!).
509 * It holds the entire information of one <link>
510 * tag from the main config file. We maintain a list
511 * of them, and populate the list on rehash/load.
514 class Link : public classbase
520 std::string SendPass;
521 std::string RecvPass;
522 unsigned long AutoConnect;
523 time_t NextConnectTime;
524 std::string EncryptionKey;
525 bool HiddenFromStats;
528 /* The usual stuff for inspircd modules,
529 * plus the vector of Link classes which we
530 * use to store the <link> tags from the config
534 std::vector<Link> LinkBlocks;
536 /* Yay for fast searches!
537 * This is hundreds of times faster than recursion
538 * or even scanning a linked list, especially when
539 * there are more than a few servers to deal with.
542 TreeServer* FindServer(std::string ServerName)
544 server_hash::iterator iter;
545 iter = serverlist.find(ServerName.c_str());
546 if (iter != serverlist.end())
556 /* Returns the locally connected server we must route a
557 * message through to reach server 'ServerName'. This
558 * only applies to one-to-one and not one-to-many routing.
559 * See the comments for the constructor of TreeServer
562 TreeServer* BestRouteTo(std::string ServerName)
564 if (ServerName.c_str() == TreeRoot->GetName())
566 TreeServer* Found = FindServer(ServerName);
569 return Found->GetRoute();
577 /* Find the first server matching a given glob mask.
578 * Theres no find-using-glob method of hash_map [awwww :-(]
579 * so instead, we iterate over the list using an iterator
580 * and match each one until we get a hit. Yes its slow,
583 TreeServer* FindServerMask(std::string ServerName)
585 for (server_hash::iterator i = serverlist.begin(); i != serverlist.end(); i++)
587 if (match(i->first.c_str(),ServerName.c_str()))
593 /* A convenient wrapper that returns true if a server exists */
594 bool IsServer(std::string ServerName)
596 return (FindServer(ServerName) != NULL);
600 class cmd_rconnect : public command_t
604 cmd_rconnect (InspIRCd* Instance, Module* Callback) : command_t(Instance, "RCONNECT", 'o', 2), Creator(Callback)
606 this->source = "m_spanningtree.so";
607 syntax = "<remote-server-mask> <servermask>";
610 void Handle (const char** parameters, int pcnt, userrec *user)
612 user->WriteServ("NOTICE %s :*** RCONNECT: Sending remote connect to \002%s\002 to connect server \002%s\002.",user->nick,parameters[0],parameters[1]);
613 /* Is this aimed at our server? */
614 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameters[0]))
616 /* Yes, initiate the given connect */
617 ServerInstance->WriteOpers("*** Remote CONNECT from %s matching \002%s\002, connecting server \002%s\002",user->nick,parameters[0],parameters[1]);
619 para[0] = parameters[1];
620 Creator->OnPreCommand("CONNECT", para, 1, user, true);
627 /* Every SERVER connection inbound or outbound is represented by
628 * an object of type TreeSocket.
629 * TreeSockets, being inherited from InspSocket, can be tied into
630 * the core socket engine, and we cn therefore receive activity events
631 * for them, just like activex objects on speed. (yes really, that
632 * is a technical term!) Each of these which relates to a locally
633 * connected server is assocated with it, by hooking it onto a
634 * TreeSocket class using its constructor. In this way, we can
635 * maintain a list of servers, some of which are directly connected,
636 * some of which are not.
639 class TreeSocket : public InspSocket
642 std::string in_buffer;
643 ServerState LinkState;
644 std::string InboundServerName;
645 std::string InboundDescription;
647 int num_lost_servers;
649 bool LastPingWasGood;
653 unsigned int keylength;
657 /* Because most of the I/O gubbins are encapsulated within
658 * InspSocket, we just call the superclass constructor for
659 * most of the action, and append a few of our own values
662 TreeSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime)
663 : InspSocket(SI, host, port, listening, maxtime)
666 this->LinkState = LISTENER;
668 this->ctx_out = NULL;
671 TreeSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, std::string ServerName)
672 : InspSocket(SI, host, port, listening, maxtime)
675 this->LinkState = CONNECTING;
677 this->ctx_out = NULL;
680 /* When a listening socket gives us a new file descriptor,
681 * we must associate it with a socket without creating a new
682 * connection. This constructor is used for this purpose.
684 TreeSocket(InspIRCd* SI, int newfd, char* ip)
685 : InspSocket(SI, newfd, ip)
687 this->LinkState = WAIT_AUTH_1;
689 this->ctx_out = NULL;
690 this->SendCapabilities();
701 void InitAES(std::string key,std::string SName)
708 log(DEBUG,"Initialized AES key %s",key.c_str());
709 // key must be 16, 24, 32 etc bytes (multiple of 8)
710 keylength = key.length();
711 if (!(keylength == 16 || keylength == 24 || keylength == 32))
713 this->Instance->WriteOpers("*** \2ERROR\2: Key length for encryptionkey is not 16, 24 or 32 bytes in length!");
714 log(DEBUG,"Key length not 16, 24 or 32 characters!");
718 this->Instance->WriteOpers("*** \2AES\2: Initialized %d bit encryption to server %s",keylength*8,SName.c_str());
719 ctx_in->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\
720 \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);
721 ctx_out->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\
722 \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);
726 /* When an outbound connection finishes connecting, we receive
727 * this event, and must send our SERVER string to the other
728 * side. If the other side is happy, as outlined in the server
729 * to server docs on the inspircd.org site, the other side
730 * will then send back its own server string.
732 virtual bool OnConnected()
734 if (this->LinkState == CONNECTING)
736 /* we do not need to change state here. */
737 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
739 if (x->Name == this->myhost)
741 this->Instance->WriteOpers("*** Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] established.");
742 this->SendCapabilities();
743 if (x->EncryptionKey != "")
745 if (!(x->EncryptionKey.length() == 16 || x->EncryptionKey.length() == 24 || x->EncryptionKey.length() == 32))
747 this->Instance->WriteOpers("\2WARNING\2: Your encryption key is NOT 16, 24 or 32 characters in length, encryption will \2NOT\2 be enabled.");
751 this->WriteLine(std::string("AES ")+this->Instance->Config->ServerName);
752 this->InitAES(x->EncryptionKey,x->Name.c_str());
755 /* found who we're supposed to be connecting to, send the neccessary gubbins. */
756 this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+x->SendPass+" 0 :"+this->Instance->Config->ServerDesc);
761 /* There is a (remote) chance that between the /CONNECT and the connection
762 * being accepted, some muppet has removed the <link> block and rehashed.
763 * If that happens the connection hangs here until it's closed. Unlikely
764 * and rather harmless.
766 this->Instance->WriteOpers("*** Connection to \2"+myhost+"\2 lost link tag(!)");
770 virtual void OnError(InspSocketError e)
772 /* We don't handle this method, because all our
773 * dirty work is done in OnClose() (see below)
774 * which is still called on error conditions too.
776 if (e == I_ERR_CONNECT)
778 this->Instance->WriteOpers("*** Connection failed: Connection refused");
782 virtual int OnDisconnect()
784 /* For the same reason as above, we don't
785 * handle OnDisconnect()
790 /* Recursively send the server tree with distances as hops.
791 * This is used during network burst to inform the other server
792 * (and any of ITS servers too) of what servers we know about.
793 * If at any point any of these servers already exist on the other
794 * end, our connection may be terminated. The hopcounts given
795 * by this function are relative, this doesn't matter so long as
796 * they are all >1, as all the remote servers re-calculate them
797 * to be relative too, with themselves as hop 0.
799 void SendServers(TreeServer* Current, TreeServer* s, int hops)
802 for (unsigned int q = 0; q < Current->ChildCount(); q++)
804 TreeServer* recursive_server = Current->GetChild(q);
805 if (recursive_server != s)
807 snprintf(command,1024,":%s SERVER %s * %d :%s",Current->GetName().c_str(),recursive_server->GetName().c_str(),hops,recursive_server->GetDesc().c_str());
808 this->WriteLine(command);
809 this->WriteLine(":"+recursive_server->GetName()+" VERSION :"+recursive_server->GetVersion());
810 /* down to next level */
811 this->SendServers(recursive_server, s, hops+1);
816 std::string MyCapabilities()
818 std::vector<std::string> modlist;
819 std::string capabilities = "";
821 for (int i = 0; i <= this->Instance->GetModuleCount(); i++)
823 if ((this->Instance->modules[i]->GetVersion().Flags & VF_STATIC) || (this->Instance->modules[i]->GetVersion().Flags & VF_COMMON))
824 modlist.push_back(this->Instance->Config->module_names[i]);
826 sort(modlist.begin(),modlist.end());
827 for (unsigned int i = 0; i < modlist.size(); i++)
830 capabilities = capabilities + ",";
831 capabilities = capabilities + modlist[i];
836 void SendCapabilities()
838 this->WriteLine("CAPAB "+MyCapabilities());
841 bool Capab(std::deque<std::string> params)
843 if (params.size() != 1)
845 this->WriteLine("ERROR :Invalid number of parameters for CAPAB");
849 if (params[0] != this->MyCapabilities())
851 std::string quitserver = this->myhost;
852 if (this->InboundServerName != "")
854 quitserver = this->InboundServerName;
857 this->Instance->WriteOpers("*** \2ERROR\2: Server '%s' does not have the same set of modules loaded, cannot link!",quitserver.c_str());
858 this->Instance->WriteOpers("*** Our networked module set is: '%s'",this->MyCapabilities().c_str());
859 this->Instance->WriteOpers("*** Other server's networked module set is: '%s'",params[0].c_str());
860 this->Instance->WriteOpers("*** These lists must match exactly on both servers. Please correct these errors, and try again.");
861 this->WriteLine("ERROR :CAPAB mismatch; My capabilities: '"+this->MyCapabilities()+"'");
868 /* This function forces this server to quit, removing this server
869 * and any users on it (and servers and users below that, etc etc).
870 * It's very slow and pretty clunky, but luckily unless your network
871 * is having a REAL bad hair day, this function shouldnt be called
872 * too many times a month ;-)
874 void SquitServer(std::string &from, TreeServer* Current)
876 /* recursively squit the servers attached to 'Current'.
877 * We're going backwards so we don't remove users
878 * while we still need them ;)
880 for (unsigned int q = 0; q < Current->ChildCount(); q++)
882 TreeServer* recursive_server = Current->GetChild(q);
883 this->SquitServer(from,recursive_server);
885 /* Now we've whacked the kids, whack self */
887 num_lost_users += Current->QuitUsers(from);
890 /* This is a wrapper function for SquitServer above, which
891 * does some validation first and passes on the SQUIT to all
892 * other remaining servers.
894 void Squit(TreeServer* Current,std::string reason)
896 if ((Current) && (Current != TreeRoot))
898 std::deque<std::string> params;
899 params.push_back(Current->GetName());
900 params.push_back(":"+reason);
901 DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName());
902 if (Current->GetParent() == TreeRoot)
904 this->Instance->WriteOpers("Server \002"+Current->GetName()+"\002 split: "+reason);
908 this->Instance->WriteOpers("Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
910 num_lost_servers = 0;
912 std::string from = Current->GetParent()->GetName()+" "+Current->GetName();
913 SquitServer(from, Current);
915 Current->GetParent()->DelChild(Current);
917 this->Instance->WriteOpers("Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
921 log(DEFAULT,"Squit from unknown server");
925 /* FMODE command - server mode with timestamp checks */
926 bool ForceMode(std::string source, std::deque<std::string> ¶ms)
928 /* Chances are this is a 1.0 FMODE without TS */
929 if (params.size() < 3)
931 this->WriteLine("ERROR :Version 1.0 FMODE sent to version 1.1 server");
936 std::string sourceserv;
938 /* Are we dealing with an FMODE from a user, or from a server? */
939 userrec* who = this->Instance->FindNick(source);
942 /* FMODE from a user, set sourceserv to the users server name */
943 sourceserv = who->server;
947 /* FMODE from a server, create a fake user to receive mode feedback */
948 who = new userrec(this->Instance);
949 who->fd = FD_MAGIC_NUMBER;
950 smode = true; /* Setting this flag tells us we should free the userrec later */
951 sourceserv = source; /* Set sourceserv to the actual source string */
953 const char* modelist[64];
956 memset(&modelist,0,sizeof(modelist));
957 for (unsigned int q = 0; (q < params.size()) && (q < 64); q++)
961 /* The timestamp is in this position.
962 * We don't want to pass that up to the
963 * server->client protocol!
965 TS = atoi(params[q].c_str());
969 /* Everything else is fine to append to the modelist */
970 modelist[n++] = params[q].c_str();
974 /* Extract the TS value of the object, either userrec or chanrec */
975 userrec* dst = this->Instance->FindNick(params[0]);
976 chanrec* chan = NULL;
984 chan = this->Instance->FindChan(params[0]);
991 /* TS is equal: Merge the mode changes, use voooodoooooo on modes
996 log(DEBUG,"Entering TS equality check");
997 ModeHandler* mh = NULL;
998 unsigned long paramptr = 3;
999 std::string to_bounce = "";
1000 std::string to_keep = "";
1001 std::vector<std::string> params_to_keep;
1002 std::string params_to_bounce = "";
1004 char cur_change = 1;
1005 char old_change = 0;
1006 char old_bounce_change = 0;
1007 /* Merge modes, basically do special stuff to mode with params */
1008 for (std::string::iterator x = params[2].begin(); x != params[2].end(); x++)
1021 /* We only care about whats being set,
1022 * not whats being unset
1024 mh = this->Instance->ModeGrok->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1026 if ((mh) && (mh->GetNumParams(adding) > 0) && (!mh->IsListMode()))
1028 /* We only want to do special things to
1029 * modes with parameters, we are going to rewrite
1033 adding ? cur_change = '+' : cur_change = '-';
1035 ret = mh->ModeSet(smode ? NULL : who, dst, chan, params[paramptr]);
1037 /* The mode is set here, check which we should keep */
1040 bool which_to_keep = mh->CheckTimeStamp(TS, ourTS, params[paramptr], ret.second, chan);
1042 if (which_to_keep == true)
1044 /* Keep ours, bounce theirs:
1045 * Send back ours to them and
1046 * drop their mode changs
1048 adding ? cur_change = '+' : cur_change = '-';
1049 if (cur_change != old_bounce_change)
1050 to_bounce += cur_change;
1052 old_bounce_change = cur_change;
1054 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1055 params_to_bounce.append(" ").append(ret.second);
1059 /* Keep theirs: Accept their mode change,
1062 adding ? cur_change = '+' : cur_change = '-';
1063 if (cur_change != old_change)
1064 to_keep += cur_change;
1066 old_change = cur_change;
1068 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1069 params_to_keep.push_back(params[paramptr]);
1074 /* Mode isnt set here, we want it */
1075 adding ? cur_change = '+' : cur_change = '-';
1076 if (cur_change != old_change)
1077 to_keep += cur_change;
1079 old_change = cur_change;
1081 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1082 params_to_keep.push_back(params[paramptr]);
1089 mh = this->Instance->ModeGrok->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1093 adding ? cur_change = '+' : cur_change = '-';
1095 /* Just keep this, safe to merge with no checks
1096 * it has no parameters
1099 if (cur_change != old_change)
1100 to_keep += cur_change;
1102 old_change = cur_change;
1104 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1106 log(DEBUG,"Mode removal %d %d",adding, mh->GetNumParams(adding));
1107 params_to_keep.push_back(params[paramptr++]);
1114 mh = this->Instance->ModeGrok->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1118 /* Taking a mode away */
1119 adding ? cur_change = '+' : cur_change = '-';
1121 if (cur_change != old_change)
1122 to_keep += cur_change;
1124 old_change = cur_change;
1126 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1127 params_to_keep.push_back(params[paramptr++]);
1134 if (to_bounce.length())
1136 std::deque<std::string> newparams;
1137 newparams.push_back(params[0]);
1138 newparams.push_back(ConvToStr(ourTS));
1139 newparams.push_back(to_bounce+params_to_bounce);
1140 DoOneToOne(this->Instance->Config->ServerName,"FMODE",newparams,sourceserv);
1143 if (to_keep.length())
1147 modelist[0] = params[0].c_str();
1148 modelist[1] = to_keep.c_str();
1150 if (params_to_keep.size() > 2)
1152 for (q = 2; (q < params_to_keep.size()) && (q < 64); q++)
1154 log(DEBUG,"Item %d of %d", q, params_to_keep.size());
1155 modelist[n++] = params_to_keep[q].c_str();
1161 log(DEBUG,"Send mode");
1162 this->Instance->SendMode(modelist, n+2, who);
1166 log(DEBUG,"Send mode client");
1167 this->Instance->CallCommandHandler("MODE", modelist, n+2, who);
1170 /* HOT POTATO! PASS IT ON! */
1171 DoOneToAllButSender(source,"FMODE",params,sourceserv);
1175 /* U-lined servers always win regardless of their TS */
1176 if ((TS > ourTS) && (!this->Instance->IsUlined(source)))
1178 /* Bounce the mode back to its sender.* We use our lower TS, so the other end
1179 * SHOULD accept it, if its clock is right.
1181 * NOTE: We should check that we arent bouncing anything thats already set at this end.
1182 * If we are, bounce +ourmode to 'reinforce' it. This prevents desyncs.
1183 * e.g. They send +l 50, we have +l 10 set. rather than bounce -l 50, we bounce +l 10.
1185 * Thanks to jilles for pointing out this one-hell-of-an-issue before i even finished
1186 * writing the code. It took me a while to come up with this solution.
1188 * XXX: BE SURE YOU UNDERSTAND THIS CODE FULLY BEFORE YOU MESS WITH IT.
1191 std::deque<std::string> newparams; /* New parameter list we send back */
1192 newparams.push_back(params[0]); /* Target, user or channel */
1193 newparams.push_back(ConvToStr(ourTS)); /* Timestamp value of the target */
1194 newparams.push_back(""); /* This contains the mode string. For now
1195 * it's empty, we fill it below.
1198 /* Intelligent mode bouncing. Don't just invert, reinforce any modes which are already
1199 * set to avoid a desync here.
1201 std::string modebounce = "";
1204 ModeHandler* mh = NULL;
1205 char cur_change = 1;
1206 char old_change = 0;
1207 for (std::string::iterator x = params[2].begin(); x != params[2].end(); x++)
1209 /* Iterate over all mode chars in the sent set */
1212 /* Adding or subtracting modes? */
1220 /* Find the mode handler for this mode */
1221 mh = this->Instance->ModeGrok->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1223 /* Got a mode handler?
1224 * This also prevents us bouncing modes we have no handler for.
1231 /* Does the mode require a parameter right now?
1232 * If it does, fetch it if we can
1234 if ((mh->GetNumParams(adding) > 0) && (t < params.size()))
1237 /* Call the ModeSet method to determine if its set with the
1238 * given parameter here or not.
1240 ret = mh->ModeSet(smode ? NULL : who, dst, chan, p);
1242 /* XXX: Really. Dont ask.
1243 * Determine from if its set combined with what the current
1244 * 'state' is (adding or not) as to wether we should 'invert'
1245 * or 'reinforce' the mode change
1247 (!ret.first ? (adding ? cur_change = '-' : cur_change = '+') : (!adding ? cur_change = '-' : cur_change = '+'));
1249 /* Quickly determine if we have 'flipped' from + to -,
1250 * or - to +, to prevent unneccessary +/- chars in the
1251 * output string that waste bandwidth
1253 if (cur_change != old_change)
1254 modebounce += cur_change;
1255 old_change = cur_change;
1257 /* Add the mode character to the output string */
1258 modebounce += mh->GetModeChar();
1260 /* We got a parameter back from ModeHandler::ModeSet,
1261 * are we supposed to be sending one out right now?
1263 if (ret.second.length())
1265 if (mh->GetNumParams(cur_change == '+') > 0)
1266 /* Yes we're supposed to be sending out
1267 * the parameter. Make sure it goes
1269 newparams.push_back(ret.second);
1277 /* Update the parameters for FMODE with the new 'bounced' string */
1278 newparams[2] = modebounce;
1279 /* Only send it back the way it came, no need to send it anywhere else */
1280 DoOneToOne(this->Instance->Config->ServerName,"FMODE",newparams,sourceserv);
1281 log(DEBUG,"FMODE bounced intelligently, our TS less than theirs and the other server is NOT a uline.");
1285 log(DEBUG,"Allow modes, TS lower for sender");
1286 /* The server was ulined, but something iffy is up with the TS.
1287 * Sound the alarm bells!
1289 if ((this->Instance->IsUlined(sourceserv)) && (TS > ourTS))
1291 this->Instance->WriteOpers("\2WARNING!\2 U-Lined server '%s' has bad TS for '%s' (accepted change): \2SYNC YOUR CLOCKS\2 to avoid this notice",sourceserv.c_str(),params[0].c_str());
1293 /* Allow the mode, route it to either server or user command handling */
1295 this->Instance->SendMode(modelist,n,who);
1297 this->Instance->CallCommandHandler("MODE", modelist, n, who);
1299 /* HOT POTATO! PASS IT ON! */
1300 DoOneToAllButSender(source,"FMODE",params,sourceserv);
1302 /* Are we supposed to free the userrec? */
1309 /* FTOPIC command */
1310 bool ForceTopic(std::string source, std::deque<std::string> ¶ms)
1312 if (params.size() != 4)
1314 time_t ts = atoi(params[1].c_str());
1315 std::string nsource = source;
1317 chanrec* c = this->Instance->FindChan(params[0]);
1320 if ((ts >= c->topicset) || (!*c->topic))
1322 std::string oldtopic = c->topic;
1323 strlcpy(c->topic,params[3].c_str(),MAXTOPIC);
1324 strlcpy(c->setby,params[2].c_str(),NICKMAX-1);
1326 /* if the topic text is the same as the current topic,
1327 * dont bother to send the TOPIC command out, just silently
1328 * update the set time and set nick.
1330 if (oldtopic != params[3])
1332 userrec* user = this->Instance->FindNick(source);
1335 c->WriteChannelWithServ(source.c_str(), "TOPIC %s :%s", c->name, c->topic);
1339 c->WriteChannel(user, "TOPIC %s :%s", c->name, c->topic);
1340 nsource = user->server;
1342 /* all done, send it on its way */
1343 params[3] = ":" + params[3];
1344 DoOneToAllButSender(source,"FTOPIC",params,nsource);
1353 /* FJOIN, similar to unreal SJOIN */
1354 bool ForceJoin(std::string source, std::deque<std::string> ¶ms)
1356 if (params.size() < 3)
1360 char modestring[MAXBUF];
1361 char* mode_users[127];
1362 memset(&mode_users,0,sizeof(mode_users));
1363 mode_users[0] = first;
1364 mode_users[1] = modestring;
1365 strcpy(modestring,"+");
1366 unsigned int modectr = 2;
1368 userrec* who = NULL;
1369 std::string channel = params[0];
1370 time_t TS = atoi(params[1].c_str());
1373 chanrec* chan = this->Instance->FindChan(channel);
1378 strlcpy(mode_users[0],channel.c_str(),MAXBUF);
1380 /* default is a high value, which if we dont have this
1381 * channel will let the other side apply their modes.
1383 time_t ourTS = time(NULL)+600;
1384 chanrec* us = this->Instance->FindChan(channel);
1390 log(DEBUG,"FJOIN detected, our TS=%lu, their TS=%lu",ourTS,TS);
1392 /* do this first, so our mode reversals are correctly received by other servers
1393 * if there is a TS collision.
1395 DoOneToAllButSender(source,"FJOIN",params,source);
1397 for (unsigned int usernum = 2; usernum < params.size(); usernum++)
1399 /* process one channel at a time, applying modes. */
1400 char* usr = (char*)params[usernum].c_str();
1401 /* Safety check just to make sure someones not sent us an FJOIN full of spaces
1402 * (is this even possible?) */
1405 char permissions = *usr;
1406 switch (permissions)
1410 mode_users[modectr++] = usr;
1411 strlcat(modestring,"o",MAXBUF);
1415 mode_users[modectr++] = usr;
1416 strlcat(modestring,"h",MAXBUF);
1420 mode_users[modectr++] = usr;
1421 strlcat(modestring,"v",MAXBUF);
1424 who = this->Instance->FindNick(usr);
1427 chanrec::JoinUser(this->Instance, who, channel.c_str(), true, key);
1428 if (modectr >= (MAXMODES-1))
1430 /* theres a mode for this user. push them onto the mode queue, and flush it
1431 * if there are more than MAXMODES to go.
1433 if ((ourTS >= TS) || (this->Instance->IsUlined(who->server)))
1435 /* We also always let u-lined clients win, no matter what the TS value */
1436 log(DEBUG,"Our our channel newer than theirs, accepting their modes");
1437 this->Instance->SendMode((const char**)mode_users,modectr,who);
1440 log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us->name,ourTS,TS);
1447 log(DEBUG,"Their channel newer than ours, bouncing their modes");
1448 /* bouncy bouncy! */
1449 std::deque<std::string> params;
1450 /* modes are now being UNSET... */
1451 *mode_users[1] = '-';
1452 for (unsigned int x = 0; x < modectr; x++)
1456 params.push_back(ConvToStr(us->age));
1458 params.push_back(mode_users[x]);
1461 // tell everyone to bounce the modes. bad modes, bad!
1462 DoOneToMany(this->Instance->Config->ServerName,"FMODE",params);
1464 strcpy(mode_users[1],"+");
1470 /* there werent enough modes built up to flush it during FJOIN,
1471 * or, there are a number left over. flush them out.
1473 if ((modectr > 2) && (who) && (us))
1477 log(DEBUG,"Our our channel newer than theirs, accepting their modes");
1478 this->Instance->SendMode((const char**)mode_users,modectr,who);
1481 log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us->name,ourTS,TS);
1488 log(DEBUG,"Their channel newer than ours, bouncing their modes");
1489 std::deque<std::string> params;
1490 *mode_users[1] = '-';
1491 for (unsigned int x = 0; x < modectr; x++)
1495 params.push_back(ConvToStr(us->age));
1497 params.push_back(mode_users[x]);
1499 DoOneToMany(this->Instance->Config->ServerName,"FMODE",params);
1505 bool SyncChannelTS(std::string source, std::deque<std::string> ¶ms)
1507 if (params.size() >= 2)
1509 chanrec* c = this->Instance->FindChan(params[0]);
1512 time_t theirTS = atoi(params[1].c_str());
1513 time_t ourTS = c->age;
1514 if (ourTS >= theirTS)
1516 log(DEBUG,"Updating timestamp for %s, our timestamp was %lu and theirs is %lu",c->name,ourTS,theirTS);
1521 DoOneToAllButSender(this->Instance->Config->ServerName,"SYNCTS",params,source);
1526 bool IntroduceClient(std::string source, std::deque<std::string> ¶ms)
1528 if (params.size() < 8)
1530 if (params.size() > 8)
1532 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)");
1535 // NICK age nick host dhost ident +modes ip :gecos
1537 time_t age = atoi(params[0].c_str());
1539 /* This used to have a pretty craq'y loop doing the same thing,
1540 * now we just let the STL do the hard work (more efficiently)
1542 params[5] = params[5].substr(params[5].find_first_not_of('+'));
1544 const char* tempnick = params[1].c_str();
1545 log(DEBUG,"Introduce client %s!%s@%s",tempnick,params[4].c_str(),params[2].c_str());
1547 user_hash::iterator iter = this->Instance->clientlist.find(tempnick);
1549 if (iter != this->Instance->clientlist.end())
1552 log(DEBUG,"Nick collision on %s!%s@%s: %lu %lu",tempnick,params[4].c_str(),params[2].c_str(),(unsigned long)age,(unsigned long)iter->second->age);
1553 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+tempnick+" :Nickname collision");
1557 userrec* _new = new userrec(this->Instance);
1558 this->Instance->clientlist[tempnick] = _new;
1559 _new->fd = FD_MAGIC_NUMBER;
1560 strlcpy(_new->nick, tempnick,NICKMAX-1);
1561 strlcpy(_new->host, params[2].c_str(),63);
1562 strlcpy(_new->dhost, params[3].c_str(),63);
1563 _new->server = this->Instance->FindServerNamePtr(source.c_str());
1564 strlcpy(_new->ident, params[4].c_str(),IDENTMAX);
1565 strlcpy(_new->fullname, params[7].c_str(),MAXGECOS);
1566 _new->registered = REG_ALL;
1569 for (std::string::iterator v = params[5].begin(); v != params[5].end(); v++)
1570 _new->modes[(*v)-65] = 1;
1572 if (params[6].find_first_of(":") != std::string::npos)
1573 _new->SetSockAddr(AF_INET6, params[6].c_str(), 0);
1575 _new->SetSockAddr(AF_INET, params[6].c_str(), 0);
1577 this->Instance->WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",_new->server,_new->nick,_new->ident,_new->host, _new->GetIPString());
1579 params[7] = ":" + params[7];
1580 DoOneToAllButSender(source,"NICK",params,source);
1582 // Increment the Source Servers User Count..
1583 TreeServer* SourceServer = FindServer(source);
1586 log(DEBUG,"Found source server of %s",_new->nick);
1587 SourceServer->AddUserCount();
1593 /* Send one or more FJOINs for a channel of users.
1594 * If the length of a single line is more than 480-NICKMAX
1595 * in length, it is split over multiple lines.
1597 void SendFJoins(TreeServer* Current, chanrec* c)
1599 log(DEBUG,"Sending FJOINs to other server for %s",c->name);
1601 std::string individual_halfops = std::string(":")+this->Instance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age);
1603 size_t dlen, curlen;
1604 dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age);
1606 char* ptr = list + dlen;
1608 CUList *ulist = c->GetUsers();
1609 std::vector<userrec*> specific_halfop;
1610 std::vector<userrec*> specific_voice;
1611 std::string modes = "";
1612 std::string params = "";
1614 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1616 int x = c->GetStatusFlags(i->second);
1617 if ((x & UCMODE_HOP) && (x & UCMODE_OP))
1619 specific_halfop.push_back(i->second);
1621 if (((x & UCMODE_HOP) || (x & UCMODE_OP)) && (x & UCMODE_VOICE))
1623 specific_voice.push_back(i->second);
1631 else if (x & UCMODE_HOP)
1635 else if (x & UCMODE_VOICE)
1640 size_t ptrlen = snprintf(ptr, MAXBUF, " %s%s", n, i->second->nick);
1647 if (curlen > (480-NICKMAX))
1649 this->WriteLine(list);
1650 dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age);
1654 for (unsigned int y = 0; y < specific_voice.size(); y++)
1657 params.append(specific_voice[y]->nick).append(" ");
1659 for (unsigned int y = 0; y < specific_halfop.size(); y++)
1662 params.append(specific_halfop[y]->nick).append(" ");
1668 this->WriteLine(list);
1669 for (unsigned int y = 0; y < specific_voice.size(); y++)
1672 params.append(specific_voice[y]->nick).append(" ");
1674 for (unsigned int y = 0; y < specific_halfop.size(); y++)
1677 params.append(specific_halfop[y]->nick).append(" ");
1681 for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++)
1684 params.append(b->data).append(" ");
1686 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" +"+c->ChanModes(true)+modes+" "+params);
1689 /* Send G, Q, Z and E lines */
1690 void SendXLines(TreeServer* Current)
1693 std::string n = this->Instance->Config->ServerName;
1694 const char* sn = n.c_str();
1696 /* Yes, these arent too nice looking, but they get the job done */
1697 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++, iterations++)
1699 snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s",sn,i->ipaddr,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1700 this->WriteLine(data);
1702 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++, iterations++)
1704 snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s",sn,i->nick,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1705 this->WriteLine(data);
1707 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++, iterations++)
1709 snprintf(data,MAXBUF,":%s ADDLINE G %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1710 this->WriteLine(data);
1712 for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++, iterations++)
1714 snprintf(data,MAXBUF,":%s ADDLINE E %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1715 this->WriteLine(data);
1717 for (std::vector<ZLine>::iterator i = pzlines.begin(); i != pzlines.end(); i++, iterations++)
1719 snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s",sn,i->ipaddr,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1720 this->WriteLine(data);
1722 for (std::vector<QLine>::iterator i = pqlines.begin(); i != pqlines.end(); i++, iterations++)
1724 snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s",sn,i->nick,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1725 this->WriteLine(data);
1727 for (std::vector<GLine>::iterator i = pglines.begin(); i != pglines.end(); i++, iterations++)
1729 snprintf(data,MAXBUF,":%s ADDLINE G %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1730 this->WriteLine(data);
1732 for (std::vector<ELine>::iterator i = pelines.begin(); i != pelines.end(); i++, iterations++)
1734 snprintf(data,MAXBUF,":%s ADDLINE E %s %s %lu %lu :%s",sn,i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
1735 this->WriteLine(data);
1739 /* Send channel modes and topics */
1740 void SendChannelModes(TreeServer* Current)
1743 std::deque<std::string> list;
1745 std::string n = this->Instance->Config->ServerName;
1746 const char* sn = n.c_str();
1747 for (chan_hash::iterator c = this->Instance->chanlist.begin(); c != this->Instance->chanlist.end(); c++, iterations++)
1749 SendFJoins(Current, c->second);
1750 if (*c->second->topic)
1752 snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s",sn,c->second->name,(unsigned long)c->second->topicset,c->second->setby,c->second->topic);
1753 this->WriteLine(data);
1755 FOREACH_MOD_I(this->Instance,I_OnSyncChannel,OnSyncChannel(c->second,(Module*)TreeProtocolModule,(void*)this));
1757 c->second->GetExtList(list);
1758 for (unsigned int j = 0; j < list.size(); j++)
1760 FOREACH_MOD_I(this->Instance,I_OnSyncChannelMetaData,OnSyncChannelMetaData(c->second,(Module*)TreeProtocolModule,(void*)this,list[j]));
1765 /* send all users and their oper state/modes */
1766 void SendUsers(TreeServer* Current)
1769 std::deque<std::string> list;
1771 for (user_hash::iterator u = this->Instance->clientlist.begin(); u != this->Instance->clientlist.end(); u++, iterations++)
1773 if (u->second->registered == REG_ALL)
1775 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->FormatModes(),u->second->GetIPString(),u->second->fullname);
1776 this->WriteLine(data);
1777 if (*u->second->oper)
1779 this->WriteLine(":"+std::string(u->second->nick)+" OPERTYPE "+std::string(u->second->oper));
1781 if (*u->second->awaymsg)
1783 this->WriteLine(":"+std::string(u->second->nick)+" AWAY :"+std::string(u->second->awaymsg));
1785 FOREACH_MOD_I(this->Instance,I_OnSyncUser,OnSyncUser(u->second,(Module*)TreeProtocolModule,(void*)this));
1787 u->second->GetExtList(list);
1788 for (unsigned int j = 0; j < list.size(); j++)
1790 FOREACH_MOD_I(this->Instance,I_OnSyncUserMetaData,OnSyncUserMetaData(u->second,(Module*)TreeProtocolModule,(void*)this,list[j]));
1796 /* This function is called when we want to send a netburst to a local
1797 * server. There is a set order we must do this, because for example
1798 * users require their servers to exist, and channels require their
1799 * users to exist. You get the idea.
1801 void DoBurst(TreeServer* s)
1803 std::string burst = "BURST "+ConvToStr(time(NULL));
1804 std::string endburst = "ENDBURST";
1805 // Because by the end of the netburst, it could be gone!
1806 std::string name = s->GetName();
1807 this->Instance->WriteOpers("*** Bursting to \2"+name+"\2.");
1808 this->WriteLine(burst);
1809 /* send our version string */
1810 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" VERSION :"+this->Instance->GetVersionString());
1811 /* Send server tree */
1812 this->SendServers(TreeRoot,s,1);
1813 /* Send users and their oper status */
1815 /* Send everything else (channel modes, xlines etc) */
1816 this->SendChannelModes(s);
1817 this->SendXLines(s);
1818 FOREACH_MOD_I(this->Instance,I_OnSyncOtherMetaData,OnSyncOtherMetaData((Module*)TreeProtocolModule,(void*)this));
1819 this->WriteLine(endburst);
1820 this->Instance->WriteOpers("*** Finished bursting to \2"+name+"\2.");
1823 /* This function is called when we receive data from a remote
1824 * server. We buffer the data in a std::string (it doesnt stay
1825 * there for long), reading using InspSocket::Read() which can
1826 * read up to 16 kilobytes in one operation.
1828 * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES
1829 * THE SOCKET OBJECT FOR US.
1831 virtual bool OnDataReady()
1833 char* data = this->Read();
1834 /* Check that the data read is a valid pointer and it has some content */
1837 this->in_buffer.append(data);
1838 /* While there is at least one new line in the buffer,
1839 * do something useful (we hope!) with it.
1841 while (in_buffer.find("\n") != std::string::npos)
1843 std::string ret = in_buffer.substr(0,in_buffer.find("\n")-1);
1844 in_buffer = in_buffer.substr(in_buffer.find("\n")+1,in_buffer.length()-in_buffer.find("\n"));
1845 if (ret.find("\r") != std::string::npos)
1846 ret = in_buffer.substr(0,in_buffer.find("\r")-1);
1847 /* Process this one, abort if it
1848 * didnt return true.
1854 memset(result,0,1024);
1856 log(DEBUG,"Original string '%s'",ret.c_str());
1857 /* ERROR + CAPAB is still allowed unencryped */
1858 if ((ret.substr(0,7) != "ERROR :") && (ret.substr(0,6) != "CAPAB "))
1860 int nbytes = from64tobits(out, ret.c_str(), 1024);
1861 if ((nbytes > 0) && (nbytes < 1024))
1863 log(DEBUG,"m_spanningtree: decrypt %d bytes",nbytes);
1864 ctx_in->Decrypt(out, result, nbytes, 0);
1865 for (int t = 0; t < nbytes; t++)
1866 if (result[t] == '\7') result[t] = 0;
1871 if (!this->ProcessLine(ret))
1873 log(DEBUG,"ProcessLine says no!");
1879 /* EAGAIN returns an empty but non-NULL string, so this
1880 * evaluates to TRUE for EAGAIN but to FALSE for EOF.
1882 return (data && !*data);
1885 int WriteLine(std::string line)
1887 log(DEBUG,"OUT: %s",line.c_str());
1891 char result64[10240];
1892 if (this->keylength)
1894 // pad it to the key length
1895 int n = this->keylength - (line.length() % this->keylength);
1898 log(DEBUG,"Append %d chars to line to make it %d long from %d, key length %d",n,n+line.length(),line.length(),this->keylength);
1899 line.append(n,'\7');
1902 unsigned int ll = line.length();
1903 ctx_out->Encrypt(line.c_str(), result, ll, 0);
1904 to64frombits((unsigned char*)result64,(unsigned char*)result,ll);
1906 //int from64tobits(char *out, const char *in, int maxlen);
1908 return this->Write(line + "\r\n");
1911 /* Handle ERROR command */
1912 bool Error(std::deque<std::string> ¶ms)
1914 if (params.size() < 1)
1916 this->Instance->WriteOpers("*** ERROR from %s: %s",(InboundServerName != "" ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
1917 /* we will return false to cause the socket to close. */
1921 bool Stats(std::string prefix, std::deque<std::string> ¶ms)
1923 /* Get the reply to a STATS query if it matches this servername,
1924 * and send it back as a load of PUSH queries
1926 if (params.size() > 1)
1928 if (this->Instance->MatchText(this->Instance->Config->ServerName, params[1]))
1930 /* It's for our server */
1931 string_list results;
1932 userrec* source = this->Instance->FindNick(prefix);
1935 std::deque<std::string> par;
1936 par.push_back(prefix);
1938 DoStats(*(params[0].c_str()), source, results);
1939 for (size_t i = 0; i < results.size(); i++)
1941 par[1] = "::" + results[i];
1942 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
1949 userrec* source = this->Instance->FindNick(prefix);
1951 DoOneToOne(prefix, "STATS", params, params[1]);
1958 /* Because the core won't let users or even SERVERS set +o,
1959 * we use the OPERTYPE command to do this.
1961 bool OperType(std::string prefix, std::deque<std::string> ¶ms)
1963 if (params.size() != 1)
1965 log(DEBUG,"Received invalid oper type from %s",prefix.c_str());
1968 std::string opertype = params[0];
1969 userrec* u = this->Instance->FindNick(prefix);
1972 u->modes[UM_OPERATOR] = 1;
1973 strlcpy(u->oper,opertype.c_str(),NICKMAX-1);
1974 DoOneToAllButSender(u->nick,"OPERTYPE",params,u->server);
1979 /* Because Andy insists that services-compatible servers must
1980 * implement SVSNICK and SVSJOIN, that's exactly what we do :p
1982 bool ForceNick(std::string prefix, std::deque<std::string> ¶ms)
1984 if (params.size() < 3)
1987 userrec* u = this->Instance->FindNick(params[0]);
1991 DoOneToAllButSender(prefix,"SVSNICK",params,prefix);
1994 std::deque<std::string> par;
1995 par.push_back(params[1]);
1996 /* This is not required as one is sent in OnUserPostNick below
1998 //DoOneToMany(u->nick,"NICK",par);
1999 if (!u->ForceNickChange(params[1].c_str()))
2001 userrec::QuitUser(this->Instance, u, "Nickname collision");
2004 u->age = atoi(params[2].c_str());
2010 bool ServiceJoin(std::string prefix, std::deque<std::string> ¶ms)
2012 if (params.size() < 2)
2015 userrec* u = this->Instance->FindNick(params[0]);
2019 chanrec::JoinUser(this->Instance, u, params[1].c_str(), false);
2020 DoOneToAllButSender(prefix,"SVSJOIN",params,prefix);
2025 bool RemoteRehash(std::string prefix, std::deque<std::string> ¶ms)
2027 if (params.size() < 1)
2030 std::string servermask = params[0];
2032 if (this->Instance->MatchText(this->Instance->Config->ServerName,servermask))
2034 this->Instance->WriteOpers("*** Remote rehash initiated from server \002"+prefix+"\002.");
2035 this->Instance->RehashServer();
2036 ReadConfiguration(false);
2038 DoOneToAllButSender(prefix,"REHASH",params,prefix);
2042 bool RemoteKill(std::string prefix, std::deque<std::string> ¶ms)
2044 if (params.size() != 2)
2047 std::string nick = params[0];
2048 userrec* u = this->Instance->FindNick(prefix);
2049 userrec* who = this->Instance->FindNick(nick);
2053 /* Prepend kill source, if we don't have one */
2054 std::string sourceserv = prefix;
2057 sourceserv = u->server;
2059 if (*(params[1].c_str()) != '[')
2061 params[1] = "[" + sourceserv + "] Killed (" + params[1] +")";
2063 std::string reason = params[1];
2064 params[1] = ":" + params[1];
2065 DoOneToAllButSender(prefix,"KILL",params,sourceserv);
2066 who->Write(":%s KILL %s :%s (%s)", sourceserv.c_str(), who->nick, sourceserv.c_str(), reason.c_str());
2067 userrec::QuitUser(this->Instance,who,reason);
2072 bool LocalPong(std::string prefix, std::deque<std::string> ¶ms)
2074 if (params.size() < 1)
2077 if (params.size() == 1)
2079 TreeServer* ServerSource = FindServer(prefix);
2082 ServerSource->SetPingFlag();
2087 std::string forwardto = params[1];
2088 if (forwardto == this->Instance->Config->ServerName)
2091 * this is a PONG for us
2092 * if the prefix is a user, check theyre local, and if they are,
2093 * dump the PONG reply back to their fd. If its a server, do nowt.
2094 * Services might want to send these s->s, but we dont need to yet.
2096 userrec* u = this->Instance->FindNick(prefix);
2100 u->WriteServ("PONG %s %s",params[0].c_str(),params[1].c_str());
2105 // not for us, pass it on :)
2106 DoOneToOne(prefix,"PONG",params,forwardto);
2113 bool MetaData(std::string prefix, std::deque<std::string> ¶ms)
2115 if (params.size() < 3)
2118 TreeServer* ServerSource = FindServer(prefix);
2122 if (params[0] == "*")
2124 FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_OTHER,NULL,params[1],params[2]));
2126 else if (*(params[0].c_str()) == '#')
2128 chanrec* c = this->Instance->FindChan(params[0]);
2131 FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2]));
2134 else if (*(params[0].c_str()) != '#')
2136 userrec* u = this->Instance->FindNick(params[0]);
2139 FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_USER,u,params[1],params[2]));
2144 params[2] = ":" + params[2];
2145 DoOneToAllButSender(prefix,"METADATA",params,prefix);
2149 bool ServerVersion(std::string prefix, std::deque<std::string> ¶ms)
2151 if (params.size() < 1)
2154 TreeServer* ServerSource = FindServer(prefix);
2158 ServerSource->SetVersion(params[0]);
2160 params[0] = ":" + params[0];
2161 DoOneToAllButSender(prefix,"VERSION",params,prefix);
2165 bool ChangeHost(std::string prefix, std::deque<std::string> ¶ms)
2167 if (params.size() < 1)
2170 userrec* u = this->Instance->FindNick(prefix);
2174 u->ChangeDisplayedHost(params[0].c_str());
2175 DoOneToAllButSender(prefix,"FHOST",params,u->server);
2180 bool AddLine(std::string prefix, std::deque<std::string> ¶ms)
2182 if (params.size() < 6)
2185 bool propogate = false;
2187 switch (*(params[0].c_str()))
2190 propogate = add_zline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2191 zline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2194 propogate = add_qline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2195 qline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2198 propogate = add_eline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2199 eline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2202 propogate = add_gline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2203 gline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2206 propogate = add_kline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2209 /* Just in case... */
2210 this->Instance->WriteOpers("*** \2WARNING\2: Invalid xline type '"+params[0]+"' sent by server "+prefix+", ignored!");
2215 /* Send it on its way */
2218 if (atoi(params[4].c_str()))
2220 this->Instance->WriteOpers("*** %s Added %cLINE on %s to expire in %lu seconds (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),atoi(params[4].c_str()),params[5].c_str());
2224 this->Instance->WriteOpers("*** %s Added permenant %cLINE on %s (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),params[5].c_str());
2226 params[5] = ":" + params[5];
2227 DoOneToAllButSender(prefix,"ADDLINE",params,prefix);
2229 if (!this->bursting)
2231 log(DEBUG,"Applying lines...");
2232 apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
2237 bool ChangeName(std::string prefix, std::deque<std::string> ¶ms)
2239 if (params.size() < 1)
2242 userrec* u = this->Instance->FindNick(prefix);
2246 u->ChangeName(params[0].c_str());
2247 params[0] = ":" + params[0];
2248 DoOneToAllButSender(prefix,"FNAME",params,u->server);
2253 bool Whois(std::string prefix, std::deque<std::string> ¶ms)
2255 if (params.size() < 1)
2258 log(DEBUG,"In IDLE command");
2259 userrec* u = this->Instance->FindNick(prefix);
2263 log(DEBUG,"USER EXISTS: %s",u->nick);
2264 // an incoming request
2265 if (params.size() == 1)
2267 userrec* x = this->Instance->FindNick(params[0]);
2268 if ((x) && (IS_LOCAL(x)))
2270 userrec* x = this->Instance->FindNick(params[0]);
2271 log(DEBUG,"Got IDLE");
2272 char signon[MAXBUF];
2274 log(DEBUG,"Sending back IDLE 3");
2275 snprintf(signon,MAXBUF,"%lu",(unsigned long)x->signon);
2276 snprintf(idle,MAXBUF,"%lu",(unsigned long)abs((x->idle_lastmsg)-time(NULL)));
2277 std::deque<std::string> par;
2278 par.push_back(prefix);
2279 par.push_back(signon);
2280 par.push_back(idle);
2281 // ours, we're done, pass it BACK
2282 DoOneToOne(params[0],"IDLE",par,u->server);
2286 // not ours pass it on
2287 DoOneToOne(prefix,"IDLE",params,x->server);
2290 else if (params.size() == 3)
2292 std::string who_did_the_whois = params[0];
2293 userrec* who_to_send_to = this->Instance->FindNick(who_did_the_whois);
2294 if ((who_to_send_to) && (IS_LOCAL(who_to_send_to)))
2296 log(DEBUG,"Got final IDLE");
2297 // an incoming reply to a whois we sent out
2298 std::string nick_whoised = prefix;
2299 unsigned long signon = atoi(params[1].c_str());
2300 unsigned long idle = atoi(params[2].c_str());
2301 if ((who_to_send_to) && (IS_LOCAL(who_to_send_to)))
2302 do_whois(who_to_send_to,u,signon,idle,nick_whoised.c_str());
2306 // not ours, pass it on
2307 DoOneToOne(prefix,"IDLE",params,who_to_send_to->server);
2314 bool Push(std::string prefix, std::deque<std::string> ¶ms)
2316 if (params.size() < 2)
2319 userrec* u = this->Instance->FindNick(params[0]);
2326 u->Write(params[1]);
2330 // continue the raw onwards
2331 params[1] = ":" + params[1];
2332 DoOneToOne(prefix,"PUSH",params,u->server);
2337 bool Time(std::string prefix, std::deque<std::string> ¶ms)
2339 // :source.server TIME remote.server sendernick
2340 // :remote.server TIME source.server sendernick TS
2341 if (params.size() == 2)
2343 // someone querying our time?
2344 if (this->Instance->Config->ServerName == params[0])
2346 userrec* u = this->Instance->FindNick(params[1]);
2350 snprintf(curtime,256,"%lu",(unsigned long)time(NULL));
2351 params.push_back(curtime);
2353 DoOneToOne(this->Instance->Config->ServerName,"TIME",params,params[0]);
2358 // not us, pass it on
2359 userrec* u = this->Instance->FindNick(params[1]);
2361 DoOneToOne(prefix,"TIME",params,params[0]);
2364 else if (params.size() == 3)
2366 // a response to a previous TIME
2367 userrec* u = this->Instance->FindNick(params[1]);
2368 if ((u) && (IS_LOCAL(u)))
2370 time_t rawtime = atol(params[2].c_str());
2371 struct tm * timeinfo;
2372 timeinfo = localtime(&rawtime);
2374 snprintf(tms,26,"%s",asctime(timeinfo));
2376 u->WriteServ("391 %s %s :%s",u->nick,prefix.c_str(),tms);
2381 DoOneToOne(prefix,"TIME",params,u->server);
2387 bool LocalPing(std::string prefix, std::deque<std::string> ¶ms)
2389 if (params.size() < 1)
2392 if (params.size() == 1)
2394 std::string stufftobounce = params[0];
2395 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" PONG "+stufftobounce);
2400 std::string forwardto = params[1];
2401 if (forwardto == this->Instance->Config->ServerName)
2403 // this is a ping for us, send back PONG to the requesting server
2404 params[1] = params[0];
2405 params[0] = forwardto;
2406 DoOneToOne(forwardto,"PONG",params,params[1]);
2410 // not for us, pass it on :)
2411 DoOneToOne(prefix,"PING",params,forwardto);
2417 bool RemoteServer(std::string prefix, std::deque<std::string> ¶ms)
2419 if (params.size() < 4)
2422 std::string servername = params[0];
2423 std::string password = params[1];
2424 // hopcount is not used for a remote server, we calculate this ourselves
2425 std::string description = params[3];
2426 TreeServer* ParentOfThis = FindServer(prefix);
2430 this->WriteLine("ERROR :Protocol error - Introduced remote server from unknown server "+prefix);
2433 TreeServer* CheckDupe = FindServer(servername);
2436 this->WriteLine("ERROR :Server "+servername+" already exists!");
2437 this->Instance->WriteOpers("*** Server connection from \2"+servername+"\2 denied, already exists");
2440 TreeServer* Node = new TreeServer(this->Instance,servername,description,ParentOfThis,NULL);
2441 ParentOfThis->AddChild(Node);
2442 params[3] = ":" + params[3];
2443 DoOneToAllButSender(prefix,"SERVER",params,prefix);
2444 this->Instance->WriteOpers("*** Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")");
2448 bool Outbound_Reply_Server(std::deque<std::string> ¶ms)
2450 if (params.size() < 4)
2453 irc::string servername = params[0].c_str();
2454 std::string sname = params[0];
2455 std::string password = params[1];
2456 int hops = atoi(params[2].c_str());
2460 this->WriteLine("ERROR :Server too far away for authentication");
2461 this->Instance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
2464 std::string description = params[3];
2465 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2467 if ((x->Name == servername) && (x->RecvPass == password))
2469 TreeServer* CheckDupe = FindServer(sname);
2472 this->WriteLine("ERROR :Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
2473 this->Instance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
2476 // Begin the sync here. this kickstarts the
2477 // other side, waiting in WAIT_AUTH_2 state,
2478 // into starting their burst, as it shows
2479 // that we're happy.
2480 this->LinkState = CONNECTED;
2481 // we should add the details of this server now
2482 // to the servers tree, as a child of the root
2484 TreeServer* Node = new TreeServer(this->Instance,sname,description,TreeRoot,this);
2485 TreeRoot->AddChild(Node);
2486 params[3] = ":" + params[3];
2487 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,sname);
2488 this->bursting = true;
2489 this->DoBurst(Node);
2493 this->WriteLine("ERROR :Invalid credentials");
2494 this->Instance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, invalid link credentials");
2498 bool Inbound_Server(std::deque<std::string> ¶ms)
2500 if (params.size() < 4)
2503 irc::string servername = params[0].c_str();
2504 std::string sname = params[0];
2505 std::string password = params[1];
2506 int hops = atoi(params[2].c_str());
2510 this->WriteLine("ERROR :Server too far away for authentication");
2511 this->Instance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
2514 std::string description = params[3];
2515 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2517 if ((x->Name == servername) && (x->RecvPass == password))
2519 TreeServer* CheckDupe = FindServer(sname);
2522 this->WriteLine("ERROR :Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
2523 this->Instance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
2526 /* If the config says this link is encrypted, but the remote side
2527 * hasnt bothered to send the AES command before SERVER, then we
2528 * boot them off as we MUST have this connection encrypted.
2530 if ((x->EncryptionKey != "") && (!this->ctx_in))
2532 this->WriteLine("ERROR :This link requires AES encryption to be enabled. Plaintext connection refused.");
2533 this->Instance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, remote server did not enable AES.");
2536 this->Instance->WriteOpers("*** Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] ("+description+")");
2537 this->InboundServerName = sname;
2538 this->InboundDescription = description;
2539 // this is good. Send our details: Our server name and description and hopcount of 0,
2540 // along with the sendpass from this block.
2541 this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+x->SendPass+" 0 :"+this->Instance->Config->ServerDesc);
2542 // move to the next state, we are now waiting for THEM.
2543 this->LinkState = WAIT_AUTH_2;
2547 this->WriteLine("ERROR :Invalid credentials");
2548 this->Instance->WriteOpers("*** Server connection from \2"+sname+"\2 denied, invalid link credentials");
2552 void Split(std::string line, std::deque<std::string> &n)
2555 irc::tokenstream tokens(line);
2557 while ((param = tokens.GetToken()) != "")
2562 bool ProcessLine(std::string line)
2564 std::deque<std::string> params;
2565 irc::string command;
2571 line = line.substr(0, line.find_first_of("\r\n"));
2573 log(DEBUG,"IN: %s", line.c_str());
2575 this->Split(line.c_str(),params);
2577 if ((params[0][0] == ':') && (params.size() > 1))
2579 prefix = params[0].substr(1);
2583 command = params[0].c_str();
2586 if ((!this->ctx_in) && (command == "AES"))
2588 std::string sserv = params[0];
2589 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2591 if ((x->EncryptionKey != "") && (x->Name == sserv))
2593 this->InitAES(x->EncryptionKey,sserv);
2599 else if ((this->ctx_in) && (command == "AES"))
2601 this->Instance->WriteOpers("*** \2AES\2: Encryption already enabled on this connection yet %s is trying to enable it twice!",params[0].c_str());
2604 switch (this->LinkState)
2609 // Waiting for SERVER command from remote server. Server initiating
2610 // the connection sends the first SERVER command, listening server
2611 // replies with theirs if its happy, then if the initiator is happy,
2612 // it starts to send its net sync, which starts the merge, otherwise
2613 // it sends an ERROR.
2614 if (command == "PASS")
2616 /* Silently ignored */
2618 else if (command == "SERVER")
2620 return this->Inbound_Server(params);
2622 else if (command == "ERROR")
2624 return this->Error(params);
2626 else if (command == "USER")
2628 this->WriteLine("ERROR :Client connections to this port are prohibited.");
2631 else if (command == "CAPAB")
2633 return this->Capab(params);
2635 else if ((command == "U") || (command == "S"))
2637 this->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!");
2642 this->WriteLine("ERROR :Invalid command in negotiation phase.");
2647 // Waiting for start of other side's netmerge to say they liked our
2649 if (command == "SERVER")
2651 // cant do this, they sent it to us in the WAIT_AUTH_1 state!
2655 else if ((command == "U") || (command == "S"))
2657 this->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!");
2660 else if (command == "BURST")
2664 /* If a time stamp is provided, try and check syncronization */
2665 time_t THEM = atoi(params[0].c_str());
2666 long delta = THEM-time(NULL);
2667 if ((delta < -600) || (delta > 600))
2669 this->Instance->WriteOpers("*** \2ERROR\2: Your clocks are out by %d seconds (this is more than ten minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta));
2670 this->WriteLine("ERROR :Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than ten minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!");
2673 else if ((delta < -60) || (delta > 60))
2675 this->Instance->WriteOpers("*** \2WARNING\2: Your clocks are out by %d seconds, please consider synching your clocks.",abs(delta));
2678 this->LinkState = CONNECTED;
2679 Node = new TreeServer(this->Instance,InboundServerName,InboundDescription,TreeRoot,this);
2680 TreeRoot->AddChild(Node);
2682 params.push_back(InboundServerName);
2683 params.push_back("*");
2684 params.push_back("1");
2685 params.push_back(":"+InboundDescription);
2686 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,InboundServerName);
2687 this->bursting = true;
2688 this->DoBurst(Node);
2690 else if (command == "ERROR")
2692 return this->Error(params);
2694 else if (command == "CAPAB")
2696 return this->Capab(params);
2701 this->WriteLine("ERROR :Internal error -- listening socket accepted its own descriptor!!!");
2705 if (command == "SERVER")
2707 // another server we connected to, which was in WAIT_AUTH_1 state,
2708 // has just sent us their credentials. If we get this far, theyre
2709 // happy with OUR credentials, and they are now in WAIT_AUTH_2 state.
2710 // if we're happy with this, we should send our netburst which
2711 // kickstarts the merge.
2712 return this->Outbound_Reply_Server(params);
2714 else if (command == "ERROR")
2716 return this->Error(params);
2720 // This is the 'authenticated' state, when all passwords
2721 // have been exchanged and anything past this point is taken
2726 std::string direction = prefix;
2727 userrec* t = this->Instance->FindNick(prefix);
2730 direction = t->server;
2732 TreeServer* route_back_again = BestRouteTo(direction);
2733 if ((!route_back_again) || (route_back_again->GetSocket() != this))
2735 if (route_back_again)
2736 log(DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
2741 * When there is activity on the socket, reset the ping counter so
2742 * that we're not wasting bandwidth pinging an active server.
2744 route_back_again->SetNextPingTime(time(NULL) + 120);
2745 route_back_again->SetPingFlag();
2748 if (command == "SVSMODE")
2750 /* Services expects us to implement
2751 * SVSMODE. In inspircd its the same as
2756 std::string target = "";
2757 /* Yes, know, this is a mess. Its reasonably fast though as we're
2758 * working with std::string here.
2760 if ((command == "NICK") && (params.size() > 1))
2762 return this->IntroduceClient(prefix,params);
2764 else if (command == "FJOIN")
2766 return this->ForceJoin(prefix,params);
2768 else if (command == "STATS")
2770 return this->Stats(prefix, params);
2772 else if (command == "SERVER")
2774 return this->RemoteServer(prefix,params);
2776 else if (command == "ERROR")
2778 return this->Error(params);
2780 else if (command == "OPERTYPE")
2782 return this->OperType(prefix,params);
2784 else if (command == "FMODE")
2786 return this->ForceMode(prefix,params);
2788 else if (command == "KILL")
2790 return this->RemoteKill(prefix,params);
2792 else if (command == "FTOPIC")
2794 return this->ForceTopic(prefix,params);
2796 else if (command == "REHASH")
2798 return this->RemoteRehash(prefix,params);
2800 else if (command == "METADATA")
2802 return this->MetaData(prefix,params);
2804 else if (command == "PING")
2807 * We just got a ping from a server that's bursting.
2808 * This can't be right, so set them to not bursting, and
2809 * apply their lines.
2813 this->bursting = false;
2814 apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
2818 prefix = this->GetName();
2820 return this->LocalPing(prefix,params);
2822 else if (command == "PONG")
2825 * We just got a pong from a server that's bursting.
2826 * This can't be right, so set them to not bursting, and
2827 * apply their lines.
2831 this->bursting = false;
2832 apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
2836 prefix = this->GetName();
2838 return this->LocalPong(prefix,params);
2840 else if (command == "VERSION")
2842 return this->ServerVersion(prefix,params);
2844 else if (command == "FHOST")
2846 return this->ChangeHost(prefix,params);
2848 else if (command == "FNAME")
2850 return this->ChangeName(prefix,params);
2852 else if (command == "ADDLINE")
2854 return this->AddLine(prefix,params);
2856 else if (command == "SVSNICK")
2860 prefix = this->GetName();
2862 return this->ForceNick(prefix,params);
2864 else if (command == "IDLE")
2866 return this->Whois(prefix,params);
2868 else if (command == "PUSH")
2870 return this->Push(prefix,params);
2872 else if (command == "TIME")
2874 return this->Time(prefix,params);
2876 else if ((command == "KICK") && (IsServer(prefix)))
2878 std::string sourceserv = this->myhost;
2879 if (params.size() == 3)
2881 userrec* user = this->Instance->FindNick(params[1]);
2882 chanrec* chan = this->Instance->FindChan(params[0]);
2885 if (!chan->ServerKickUser(user, params[2].c_str(), false))
2886 /* Yikes, the channels gone! */
2890 if (this->InboundServerName != "")
2892 sourceserv = this->InboundServerName;
2894 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
2896 else if (command == "SVSJOIN")
2900 prefix = this->GetName();
2902 return this->ServiceJoin(prefix,params);
2904 else if (command == "SQUIT")
2906 if (params.size() == 2)
2908 this->Squit(FindServer(params[0]),params[1]);
2912 else if (command == "ENDBURST")
2914 this->bursting = false;
2915 apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
2916 std::string sourceserv = this->myhost;
2917 if (this->InboundServerName != "")
2919 sourceserv = this->InboundServerName;
2921 this->Instance->WriteOpers("*** Received end of netburst from \2%s\2",sourceserv.c_str());
2926 // not a special inter-server command.
2927 // Emulate the actual user doing the command,
2928 // this saves us having a huge ugly parser.
2929 userrec* who = this->Instance->FindNick(prefix);
2930 std::string sourceserv = this->myhost;
2931 if (this->InboundServerName != "")
2933 sourceserv = this->InboundServerName;
2937 if ((command == "NICK") && (params.size() > 0))
2939 /* On nick messages, check that the nick doesnt
2940 * already exist here. If it does, kill their copy,
2943 userrec* x = this->Instance->FindNick(params[0]);
2944 if ((x) && (x != who))
2946 std::deque<std::string> p;
2947 p.push_back(params[0]);
2948 p.push_back("Nickname collision ("+prefix+" -> "+params[0]+")");
2949 DoOneToMany(this->Instance->Config->ServerName,"KILL",p);
2951 p.push_back(prefix);
2952 p.push_back("Nickname collision");
2953 DoOneToMany(this->Instance->Config->ServerName,"KILL",p);
2954 userrec::QuitUser(this->Instance,x,"Nickname collision ("+prefix+" -> "+params[0]+")");
2955 userrec* y = this->Instance->FindNick(prefix);
2958 userrec::QuitUser(this->Instance,y,"Nickname collision");
2960 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
2964 target = who->server;
2965 const char* strparams[127];
2966 for (unsigned int q = 0; q < params.size(); q++)
2968 strparams[q] = params[q].c_str();
2970 if (!this->Instance->CallCommandHandler(command.c_str(), strparams, params.size(), who))
2972 this->WriteLine("ERROR :Unrecognised command '"+std::string(command.c_str())+"' -- possibly loaded mismatched modules");
2978 // its not a user. Its either a server, or somethings screwed up.
2979 if (IsServer(prefix))
2981 target = this->Instance->Config->ServerName;
2985 log(DEBUG,"Command with unknown origin '%s'",prefix.c_str());
2989 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
2998 virtual std::string GetName()
3000 std::string sourceserv = this->myhost;
3001 if (this->InboundServerName != "")
3003 sourceserv = this->InboundServerName;
3008 virtual void OnTimeout()
3010 if (this->LinkState == CONNECTING)
3012 this->Instance->WriteOpers("*** CONNECT: Connection to \002"+myhost+"\002 timed out.");
3016 virtual void OnClose()
3018 // Connection closed.
3019 // If the connection is fully up (state CONNECTED)
3020 // then propogate a netsplit to all peers.
3021 std::string quitserver = this->myhost;
3022 if (this->InboundServerName != "")
3024 quitserver = this->InboundServerName;
3026 TreeServer* s = FindServer(quitserver);
3029 Squit(s,"Remote host closed the connection");
3031 this->Instance->WriteOpers("Server '\2%s\2' closed the connection.",quitserver.c_str());
3034 virtual int OnIncomingConnection(int newsock, char* ip)
3036 /* To prevent anyone from attempting to flood opers/DDoS by connecting to the server port,
3037 * or discovering if this port is the server port, we don't allow connections from any
3038 * IPs for which we don't have a link block.
3042 found = (std::find(ValidIPs.begin(), ValidIPs.end(), ip) != ValidIPs.end());
3045 for (vector<std::string>::iterator i = ValidIPs.begin(); i != ValidIPs.end(); i++)
3046 if (MatchCIDR(ip, (*i).c_str()))
3051 this->Instance->WriteOpers("Server connection from %s denied (no link blocks with that IP address)", ip);
3056 TreeSocket* s = new TreeSocket(this->Instance, newsock, ip);
3057 this->Instance->AddSocket(s);
3062 /** This class is used to resolve server hostnames during /connect and autoconnect.
3063 * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this
3064 * resolver step first ourselves if we need it. This is totally nonblocking, and will
3065 * callback to OnLookupComplete or OnError when completed. Once it has completed we
3066 * will have an IP address which we can then use to continue our connection.
3068 class ServernameResolver : public Resolver
3071 /** A copy of the Link tag info for what we're connecting to.
3072 * We take a copy, rather than using a pointer, just in case the
3073 * admin takes the tag away and rehashes while the domain is resolving.
3077 ServernameResolver(InspIRCd* Instance, const std::string &hostname, Link x) : Resolver(Instance, hostname, DNS_QUERY_FORWARD), MyLink(x)
3079 /* Nothing in here, folks */
3082 void OnLookupComplete(const std::string &result)
3084 /* Initiate the connection, now that we have an IP to use.
3085 * Passing a hostname directly to InspSocket causes it to
3086 * just bail and set its FD to -1.
3088 TreeServer* CheckDupe = FindServer(MyLink.Name.c_str());
3089 if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
3091 TreeSocket* newsocket = new TreeSocket(ServerInstance, result,MyLink.Port,false,10,MyLink.Name.c_str());
3092 if (newsocket->GetFd() > -1)
3095 ServerInstance->AddSocket(newsocket);
3099 /* Something barfed, show the opers */
3100 ServerInstance->WriteOpers("*** CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno));
3106 void OnError(ResolverError e, const std::string &errormessage)
3109 ServerInstance->WriteOpers("*** CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str());
3113 class SecurityIPResolver : public Resolver
3118 SecurityIPResolver(InspIRCd* Instance, const std::string &hostname, Link x) : Resolver(Instance, hostname, DNS_QUERY_FORWARD), MyLink(x)
3122 void OnLookupComplete(const std::string &result)
3124 log(DEBUG,"Security IP cache: Adding IP address '%s' for Link '%s'",result.c_str(),MyLink.Name.c_str());
3125 ValidIPs.push_back(result);
3128 void OnError(ResolverError e, const std::string &errormessage)
3130 log(DEBUG,"Could not resolve IP associated with Link '%s': %s",MyLink.Name.c_str(),errormessage.c_str());
3134 void AddThisServer(TreeServer* server, std::deque<TreeServer*> &list)
3136 for (unsigned int c = 0; c < list.size(); c++)
3138 if (list[c] == server)
3143 list.push_back(server);
3146 // returns a list of DIRECT servernames for a specific channel
3147 void GetListOfServersForChannel(chanrec* c, std::deque<TreeServer*> &list)
3149 CUList *ulist = c->GetUsers();
3150 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
3152 if (i->second->fd < 0)
3154 TreeServer* best = BestRouteTo(i->second->server);
3156 AddThisServer(best,list);
3162 bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, irc::string command, std::deque<std::string> ¶ms)
3164 TreeServer* omitroute = BestRouteTo(omit);
3165 if ((command == "NOTICE") || (command == "PRIVMSG"))
3167 if (params.size() >= 2)
3170 if ((*(params[0].c_str()) == '@') || (*(params[0].c_str()) == '%') || (*(params[0].c_str()) == '+'))
3172 params[0] = params[0].substr(1, params[0].length()-1);
3174 if ((*(params[0].c_str()) != '#') && (*(params[0].c_str()) != '$'))
3176 // special routing for private messages/notices
3177 userrec* d = ServerInstance->FindNick(params[0]);
3180 std::deque<std::string> par;
3181 par.push_back(params[0]);
3182 par.push_back(":"+params[1]);
3183 DoOneToOne(prefix,command.c_str(),par,d->server);
3187 else if (*(params[0].c_str()) == '$')
3189 std::deque<std::string> par;
3190 par.push_back(params[0]);
3191 par.push_back(":"+params[1]);
3192 DoOneToAllButSender(prefix,command.c_str(),par,omitroute->GetName());
3197 log(DEBUG,"Channel privmsg going to chan %s",params[0].c_str());
3198 chanrec* c = ServerInstance->FindChan(params[0]);
3201 std::deque<TreeServer*> list;
3202 GetListOfServersForChannel(c,list);
3203 log(DEBUG,"Got a list of %d servers",list.size());
3204 unsigned int lsize = list.size();
3205 for (unsigned int i = 0; i < lsize; i++)
3207 TreeSocket* Sock = list[i]->GetSocket();
3208 if ((Sock) && (list[i]->GetName() != omit) && (omitroute != list[i]))
3210 log(DEBUG,"Writing privmsg to server %s",list[i]->GetName().c_str());
3211 Sock->WriteLine(data);
3219 unsigned int items = TreeRoot->ChildCount();
3220 for (unsigned int x = 0; x < items; x++)
3222 TreeServer* Route = TreeRoot->GetChild(x);
3223 if ((Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
3225 TreeSocket* Sock = Route->GetSocket();
3226 Sock->WriteLine(data);
3232 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string omit)
3234 TreeServer* omitroute = BestRouteTo(omit);
3235 std::string FullLine = ":" + prefix + " " + command;
3236 unsigned int words = params.size();
3237 for (unsigned int x = 0; x < words; x++)
3239 FullLine = FullLine + " " + params[x];
3241 unsigned int items = TreeRoot->ChildCount();
3242 for (unsigned int x = 0; x < items; x++)
3244 TreeServer* Route = TreeRoot->GetChild(x);
3245 // Send the line IF:
3246 // The route has a socket (its a direct connection)
3247 // The route isnt the one to be omitted
3248 // The route isnt the path to the one to be omitted
3249 if ((Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
3251 TreeSocket* Sock = Route->GetSocket();
3252 Sock->WriteLine(FullLine);
3258 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> ¶ms)
3260 std::string FullLine = ":" + prefix + " " + command;
3261 unsigned int words = params.size();
3262 for (unsigned int x = 0; x < words; x++)
3264 FullLine = FullLine + " " + params[x];
3266 unsigned int items = TreeRoot->ChildCount();
3267 for (unsigned int x = 0; x < items; x++)
3269 TreeServer* Route = TreeRoot->GetChild(x);
3270 if (Route->GetSocket())
3272 TreeSocket* Sock = Route->GetSocket();
3273 Sock->WriteLine(FullLine);
3279 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string target)
3281 TreeServer* Route = BestRouteTo(target);
3284 std::string FullLine = ":" + prefix + " " + command;
3285 unsigned int words = params.size();
3286 for (unsigned int x = 0; x < words; x++)
3288 FullLine = FullLine + " " + params[x];
3290 if (Route->GetSocket())
3292 TreeSocket* Sock = Route->GetSocket();
3293 Sock->WriteLine(FullLine);
3303 std::vector<TreeSocket*> Bindings;
3305 void ReadConfiguration(bool rebind)
3307 Conf = new ConfigReader;
3310 for (int j =0; j < Conf->Enumerate("bind"); j++)
3312 std::string Type = Conf->ReadValue("bind","type",j);
3313 std::string IP = Conf->ReadValue("bind","address",j);
3314 long Port = Conf->ReadInteger("bind","port",j,true);
3315 if (Type == "servers")
3321 TreeSocket* listener = new TreeSocket(ServerInstance, IP.c_str(),Port,true,10);
3322 if (listener->GetState() == I_LISTENING)
3324 ServerInstance->AddSocket(listener);
3325 Bindings.push_back(listener);
3329 log(DEFAULT,"m_spanningtree: Warning: Failed to bind server port %d",Port);
3336 FlatLinks = Conf->ReadFlag("options","flatlinks",0);
3337 HideULines = Conf->ReadFlag("options","hideulines",0);
3340 for (int j =0; j < Conf->Enumerate("link"); j++)
3343 std::string Allow = Conf->ReadValue("link","allowmask",j);
3344 L.Name = (Conf->ReadValue("link","name",j)).c_str();
3345 L.IPAddr = Conf->ReadValue("link","ipaddr",j);
3346 L.Port = Conf->ReadInteger("link","port",j,true);
3347 L.SendPass = Conf->ReadValue("link","sendpass",j);
3348 L.RecvPass = Conf->ReadValue("link","recvpass",j);
3349 L.AutoConnect = Conf->ReadInteger("link","autoconnect",j,true);
3350 L.EncryptionKey = Conf->ReadValue("link","encryptionkey",j);
3351 L.HiddenFromStats = Conf->ReadFlag("link","hidden",j);
3352 L.NextConnectTime = time(NULL) + L.AutoConnect;
3353 /* Bugfix by brain, do not allow people to enter bad configurations */
3354 if ((L.IPAddr != "") && (L.RecvPass != "") && (L.SendPass != "") && (L.Name != "") && (L.Port))
3356 ValidIPs.push_back(L.IPAddr);
3359 ValidIPs.push_back(Allow);
3361 /* Needs resolving */
3363 if (insp_aton(L.IPAddr.c_str(), &binip) < 1)
3367 SecurityIPResolver* sr = new SecurityIPResolver(ServerInstance, L.IPAddr, L);
3368 ServerInstance->AddResolver(sr);
3370 catch (ModuleException& e)
3372 log(DEBUG,"Error in resolver: %s",e.GetReason());
3376 LinkBlocks.push_back(L);
3377 log(DEBUG,"m_spanningtree: Read server %s with host %s:%d",L.Name.c_str(),L.IPAddr.c_str(),L.Port);
3383 log(DEFAULT,"Invalid configuration for server '%s', IP address not defined!",L.Name.c_str());
3385 else if (L.RecvPass == "")
3387 log(DEFAULT,"Invalid configuration for server '%s', recvpass not defined!",L.Name.c_str());
3389 else if (L.SendPass == "")
3391 log(DEFAULT,"Invalid configuration for server '%s', sendpass not defined!",L.Name.c_str());
3393 else if (L.Name == "")
3395 log(DEFAULT,"Invalid configuration, link tag without a name!");
3399 log(DEFAULT,"Invalid configuration for server '%s', no port specified!",L.Name.c_str());
3407 class ModuleSpanningTree : public Module
3409 std::vector<TreeSocket*> Bindings;
3412 unsigned int max_local;
3413 unsigned int max_global;
3414 cmd_rconnect* command_rconnect;
3418 ModuleSpanningTree(InspIRCd* Me)
3419 : Module::Module(Me), max_local(0), max_global(0)
3424 ::ServerInstance = Me;
3426 // Create the root of the tree
3427 TreeRoot = new TreeServer(ServerInstance, ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc);
3429 ReadConfiguration(true);
3431 command_rconnect = new cmd_rconnect(ServerInstance, this);
3432 ServerInstance->AddCommand(command_rconnect);
3435 void ShowLinks(TreeServer* Current, userrec* user, int hops)
3437 std::string Parent = TreeRoot->GetName();
3438 if (Current->GetParent())
3440 Parent = Current->GetParent()->GetName();
3442 for (unsigned int q = 0; q < Current->ChildCount(); q++)
3444 if ((HideULines) && (ServerInstance->IsUlined(Current->GetChild(q)->GetName())))
3448 ShowLinks(Current->GetChild(q),user,hops+1);
3453 ShowLinks(Current->GetChild(q),user,hops+1);
3456 /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
3457 if ((HideULines) && (ServerInstance->IsUlined(Current->GetName())) && (!*user->oper))
3459 user->WriteServ("364 %s %s %s :%d %s",user->nick,Current->GetName().c_str(),(FlatLinks && (!*user->oper)) ? ServerInstance->Config->ServerName : Parent.c_str(),(FlatLinks && (!*user->oper)) ? 0 : hops,Current->GetDesc().c_str());
3462 int CountLocalServs()
3464 return TreeRoot->ChildCount();
3469 return serverlist.size();
3472 void HandleLinks(const char** parameters, int pcnt, userrec* user)
3474 ShowLinks(TreeRoot,user,0);
3475 user->WriteServ("365 %s * :End of /LINKS list.",user->nick);
3479 void HandleLusers(const char** parameters, int pcnt, userrec* user)
3481 unsigned int n_users = ServerInstance->usercnt();
3483 /* Only update these when someone wants to see them, more efficient */
3484 if ((unsigned int)ServerInstance->local_count() > max_local)
3485 max_local = ServerInstance->local_count();
3486 if (n_users > max_global)
3487 max_global = n_users;
3489 user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,n_users-ServerInstance->usercount_invisible(),ServerInstance->usercount_invisible(),this->CountServs());
3490 if (ServerInstance->usercount_opers())
3491 user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->usercount_opers());
3492 if (ServerInstance->usercount_unknown())
3493 user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->usercount_unknown());
3494 if (ServerInstance->chancount())
3495 user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->chancount());
3496 user->WriteServ("254 %s :I have %d clients and %d servers",user->nick,ServerInstance->local_count(),this->CountLocalServs());
3497 user->WriteServ("265 %s :Current Local Users: %d Max: %d",user->nick,ServerInstance->local_count(),max_local);
3498 user->WriteServ("266 %s :Current Global Users: %d Max: %d",user->nick,n_users,max_global);
3502 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
3504 void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][80], float &totusers, float &totservers)
3508 for (int t = 0; t < depth; t++)
3510 matrix[line][t] = ' ';
3513 // For Aligning, we need to work out exactly how deep this thing is, and produce
3514 // a 'Spacer' String to compensate.
3517 memset(spacer,' ',40);
3518 if ((40 - Current->GetName().length() - depth) > 1) {
3519 spacer[40 - Current->GetName().length() - depth] = '\0';
3528 if (ServerInstance->clientlist.size() == 0) {
3529 // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
3534 percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist.size()) * 100;
3536 snprintf(text, 80, "%s %s%5d [%5.2f%%]", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent);
3537 totusers += Current->GetUserCount();
3539 strlcpy(&matrix[line][depth],text,80);
3541 for (unsigned int q = 0; q < Current->ChildCount(); q++)
3543 if ((HideULines) && (ServerInstance->IsUlined(Current->GetChild(q)->GetName())))
3547 ShowMap(Current->GetChild(q),user,(FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
3552 ShowMap(Current->GetChild(q),user,(FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
3558 int HandleStats(const char** parameters, int pcnt, userrec* user)
3562 /* Remote STATS, the server is within the 2nd parameter */
3563 std::deque<std::string> params;
3564 params.push_back(parameters[0]);
3565 params.push_back(parameters[1]);
3566 /* Send it out remotely, generate no reply yet */
3567 TreeServer* s = FindServerMask(parameters[1]);
3570 params[1] = s->GetName();
3571 DoOneToOne(user->nick, "STATS", params, s->GetName());
3575 user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
3582 // Ok, prepare to be confused.
3583 // After much mulling over how to approach this, it struck me that
3584 // the 'usual' way of doing a /MAP isnt the best way. Instead of
3585 // keeping track of a ton of ascii characters, and line by line
3586 // under recursion working out where to place them using multiplications
3587 // and divisons, we instead render the map onto a backplane of characters
3588 // (a character matrix), then draw the branches as a series of "L" shapes
3589 // from the nodes. This is not only friendlier on CPU it uses less stack.
3591 void HandleMap(const char** parameters, int pcnt, userrec* user)
3593 // This array represents a virtual screen which we will
3594 // "scratch" draw to, as the console device of an irc
3595 // client does not provide for a proper terminal.
3597 float totservers = 0;
3598 char matrix[128][80];
3599 for (unsigned int t = 0; t < 128; t++)
3601 matrix[t][0] = '\0';
3604 // The only recursive bit is called here.
3605 ShowMap(TreeRoot,user,0,matrix,totusers,totservers);
3606 // Process each line one by one. The algorithm has a limit of
3607 // 128 servers (which is far more than a spanning tree should have
3608 // anyway, so we're ok). This limit can be raised simply by making
3609 // the character matrix deeper, 128 rows taking 10k of memory.
3610 for (int l = 1; l < line; l++)
3612 // scan across the line looking for the start of the
3613 // servername (the recursive part of the algorithm has placed
3614 // the servers at indented positions depending on what they
3616 int first_nonspace = 0;
3617 while (matrix[l][first_nonspace] == ' ')
3622 // Draw the `- (corner) section: this may be overwritten by
3623 // another L shape passing along the same vertical pane, becoming
3624 // a |- (branch) section instead.
3625 matrix[l][first_nonspace] = '-';
3626 matrix[l][first_nonspace-1] = '`';
3628 // Draw upwards until we hit the parent server, causing possibly
3629 // other corners (`-) to become branches (|-)
3630 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
3632 matrix[l2][first_nonspace-1] = '|';
3636 // dump the whole lot to the user. This is the easy bit, honest.
3637 for (int t = 0; t < line; t++)
3639 user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
3641 float avg_users = totusers / totservers;
3642 user->WriteServ("270 %s :%.0f server%s and %.0f user%s, average %.2f users per server",user->nick,totservers,(totservers > 1 ? "s" : ""),totusers,(totusers > 1 ? "s" : ""),avg_users);
3643 user->WriteServ("007 %s :End of /MAP",user->nick);
3647 int HandleSquit(const char** parameters, int pcnt, userrec* user)
3649 TreeServer* s = FindServerMask(parameters[0]);
3654 user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
3657 TreeSocket* sock = s->GetSocket();
3660 log(DEBUG,"Splitting server %s",s->GetName().c_str());
3661 ServerInstance->WriteOpers("*** SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
3662 sock->Squit(s,"Server quit by "+std::string(user->nick)+"!"+std::string(user->ident)+"@"+std::string(user->host));
3663 ServerInstance->RemoveSocket(sock);
3667 user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 is not directly connected.",user->nick,parameters[0]);
3672 user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
3677 int HandleTime(const char** parameters, int pcnt, userrec* user)
3679 if ((IS_LOCAL(user)) && (pcnt))
3681 TreeServer* found = FindServerMask(parameters[0]);
3684 // we dont' override for local server
3685 if (found == TreeRoot)
3688 std::deque<std::string> params;
3689 params.push_back(found->GetName());
3690 params.push_back(user->nick);
3691 DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
3695 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
3701 int HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
3703 if ((IS_LOCAL(user)) && (pcnt > 1))
3705 userrec* remote = ServerInstance->FindNick(parameters[1]);
3706 if ((remote) && (remote->fd < 0))
3708 std::deque<std::string> params;
3709 params.push_back(parameters[1]);
3710 DoOneToOne(user->nick,"IDLE",params,remote->server);
3715 user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
3716 user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
3723 void DoPingChecks(time_t curtime)
3725 for (unsigned int j = 0; j < TreeRoot->ChildCount(); j++)
3727 TreeServer* serv = TreeRoot->GetChild(j);
3728 TreeSocket* sock = serv->GetSocket();
3731 if (curtime >= serv->NextPingTime())
3733 if (serv->AnsweredLastPing())
3735 sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
3736 serv->SetNextPingTime(curtime + 120);
3740 // they didnt answer, boot them
3741 ServerInstance->WriteOpers("*** Server \002%s\002 pinged out",serv->GetName().c_str());
3742 sock->Squit(serv,"Ping timeout");
3743 ServerInstance->RemoveSocket(sock);
3751 void AutoConnectServers(time_t curtime)
3753 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
3755 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
3757 log(DEBUG,"Auto-Connecting %s",x->Name.c_str());
3758 x->NextConnectTime = curtime + x->AutoConnect;
3759 TreeServer* CheckDupe = FindServer(x->Name.c_str());
3762 // an autoconnected server is not connected. Check if its time to connect it
3763 ServerInstance->WriteOpers("*** AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
3767 /* Do we already have an IP? If so, no need to resolve it. */
3768 if (insp_aton(x->IPAddr.c_str(), &binip) > 0)
3770 TreeSocket* newsocket = new TreeSocket(ServerInstance, x->IPAddr,x->Port,false,10,x->Name.c_str());
3771 if (newsocket->GetFd() > -1)
3773 ServerInstance->AddSocket(newsocket);
3777 ServerInstance->WriteOpers("*** AUTOCONNECT: Error autoconnecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
3785 ServernameResolver* snr = new ServernameResolver(ServerInstance,x->IPAddr, *x);
3786 ServerInstance->AddResolver(snr);
3788 catch (ModuleException& e)
3790 log(DEBUG,"Error in resolver: %s",e.GetReason());
3799 int HandleVersion(const char** parameters, int pcnt, userrec* user)
3801 // we've already checked if pcnt > 0, so this is safe
3802 TreeServer* found = FindServerMask(parameters[0]);
3805 std::string Version = found->GetVersion();
3806 user->WriteServ("351 %s :%s",user->nick,Version.c_str());
3807 if (found == TreeRoot)
3809 std::stringstream out(ServerInstance->Config->data005);
3810 std::string token = "";
3811 std::string line5 = "";
3812 int token_counter = 0;
3817 line5 = line5 + token + " ";
3820 if ((token_counter >= 13) || (out.eof() == true))
3822 user->WriteServ("005 %s %s:are supported by this server",user->nick,line5.c_str());
3831 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
3836 int HandleConnect(const char** parameters, int pcnt, userrec* user)
3838 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
3840 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
3842 TreeServer* CheckDupe = FindServer(x->Name.c_str());
3845 user->WriteServ("NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
3848 /* Do we already have an IP? If so, no need to resolve it. */
3849 if (insp_aton(x->IPAddr.c_str(), &binip) > 0)
3851 TreeSocket* newsocket = new TreeSocket(ServerInstance,x->IPAddr,x->Port,false,10,x->Name.c_str());
3852 if (newsocket->GetFd() > -1)
3854 ServerInstance->AddSocket(newsocket);
3858 ServerInstance->WriteOpers("*** CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
3866 ServernameResolver* snr = new ServernameResolver(ServerInstance, x->IPAddr, *x);
3867 ServerInstance->AddResolver(snr);
3869 catch (ModuleException& e)
3871 log(DEBUG,"Error in resolver: %s",e.GetReason());
3878 user->WriteServ("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());
3883 user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
3887 virtual int OnStats(char statschar, userrec* user, string_list &results)
3889 if (statschar == 'c')
3891 for (unsigned int i = 0; i < LinkBlocks.size(); i++)
3893 results.push_back(std::string(ServerInstance->Config->ServerName)+" 213 "+user->nick+" C *@"+(LinkBlocks[i].HiddenFromStats ? "<hidden>" : LinkBlocks[i].IPAddr)+" * "+LinkBlocks[i].Name.c_str()+" "+ConvToStr(LinkBlocks[i].Port)+" "+(LinkBlocks[i].EncryptionKey != "" ? 'e' : '-')+(LinkBlocks[i].AutoConnect ? 'a' : '-')+'s');
3894 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+LinkBlocks[i].Name.c_str());
3896 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
3897 ServerInstance->WriteOpers("*** Notice: %s '%c' requested by %s (%s@%s)",(!strcmp(user->server,ServerInstance->Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host);
3903 virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated)
3905 /* If the command doesnt appear to be valid, we dont want to mess with it. */
3909 if (command == "CONNECT")
3911 return this->HandleConnect(parameters,pcnt,user);
3913 else if (command == "STATS")
3915 return this->HandleStats(parameters,pcnt,user);
3917 else if (command == "SQUIT")
3919 return this->HandleSquit(parameters,pcnt,user);
3921 else if (command == "MAP")
3923 this->HandleMap(parameters,pcnt,user);
3926 else if ((command == "TIME") && (pcnt > 0))
3928 return this->HandleTime(parameters,pcnt,user);
3930 else if (command == "LUSERS")
3932 this->HandleLusers(parameters,pcnt,user);
3935 else if (command == "LINKS")
3937 this->HandleLinks(parameters,pcnt,user);
3940 else if (command == "WHOIS")
3945 return this->HandleRemoteWhois(parameters,pcnt,user);
3948 else if ((command == "VERSION") && (pcnt > 0))
3950 this->HandleVersion(parameters,pcnt,user);
3953 else if (ServerInstance->IsValidModuleCommand(command, pcnt, user))
3955 // this bit of code cleverly routes all module commands
3956 // to all remote severs *automatically* so that modules
3957 // can just handle commands locally, without having
3958 // to have any special provision in place for remote
3959 // commands and linking protocols.
3960 std::deque<std::string> params;
3962 for (int j = 0; j < pcnt; j++)
3964 if (strchr(parameters[j],' '))
3966 params.push_back(":" + std::string(parameters[j]));
3970 params.push_back(std::string(parameters[j]));
3973 log(DEBUG,"Globally route '%s'",command.c_str());
3974 DoOneToMany(user->nick,command,params);
3979 virtual void OnGetServerDescription(const std::string &servername,std::string &description)
3981 TreeServer* s = FindServer(servername);
3984 description = s->GetDesc();
3988 virtual void OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
3990 if (IS_LOCAL(source))
3992 std::deque<std::string> params;
3993 params.push_back(dest->nick);
3994 params.push_back(channel->name);
3995 DoOneToMany(source->nick,"INVITE",params);
3999 virtual void OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
4001 std::deque<std::string> params;
4002 params.push_back(chan->name);
4003 params.push_back(":"+topic);
4004 DoOneToMany(user->nick,"TOPIC",params);
4007 virtual void OnWallops(userrec* user, const std::string &text)
4011 std::deque<std::string> params;
4012 params.push_back(":"+text);
4013 DoOneToMany(user->nick,"WALLOPS",params);
4017 virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status)
4019 if (target_type == TYPE_USER)
4021 userrec* d = (userrec*)dest;
4022 if ((d->fd < 0) && (IS_LOCAL(user)))
4024 std::deque<std::string> params;
4026 params.push_back(d->nick);
4027 params.push_back(":"+text);
4028 DoOneToOne(user->nick,"NOTICE",params,d->server);
4031 else if (target_type == TYPE_CHANNEL)
4035 chanrec *c = (chanrec*)dest;
4036 std::string cname = c->name;
4038 cname = status + cname;
4039 std::deque<TreeServer*> list;
4040 GetListOfServersForChannel(c,list);
4041 unsigned int ucount = list.size();
4042 for (unsigned int i = 0; i < ucount; i++)
4044 TreeSocket* Sock = list[i]->GetSocket();
4046 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
4050 else if (target_type == TYPE_SERVER)
4054 char* target = (char*)dest;
4055 std::deque<std::string> par;
4056 par.push_back(target);
4057 par.push_back(":"+text);
4058 DoOneToMany(user->nick,"NOTICE",par);
4063 virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status)
4065 if (target_type == TYPE_USER)
4067 // route private messages which are targetted at clients only to the server
4068 // which needs to receive them
4069 userrec* d = (userrec*)dest;
4070 if ((d->fd < 0) && (IS_LOCAL(user)))
4072 std::deque<std::string> params;
4074 params.push_back(d->nick);
4075 params.push_back(":"+text);
4076 DoOneToOne(user->nick,"PRIVMSG",params,d->server);
4079 else if (target_type == TYPE_CHANNEL)
4083 chanrec *c = (chanrec*)dest;
4084 std::string cname = c->name;
4086 cname = status + cname;
4087 std::deque<TreeServer*> list;
4088 GetListOfServersForChannel(c,list);
4089 unsigned int ucount = list.size();
4090 for (unsigned int i = 0; i < ucount; i++)
4092 TreeSocket* Sock = list[i]->GetSocket();
4094 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
4098 else if (target_type == TYPE_SERVER)
4102 char* target = (char*)dest;
4103 std::deque<std::string> par;
4104 par.push_back(target);
4105 par.push_back(":"+text);
4106 DoOneToMany(user->nick,"PRIVMSG",par);
4111 virtual void OnBackgroundTimer(time_t curtime)
4113 AutoConnectServers(curtime);
4114 DoPingChecks(curtime);
4117 virtual void OnUserJoin(userrec* user, chanrec* channel)
4119 // Only do this for local users
4122 std::deque<std::string> params;
4124 params.push_back(channel->name);
4126 if (channel->GetUserCounter() > 1)
4128 // not the first in the channel
4129 DoOneToMany(user->nick,"JOIN",params);
4133 // first in the channel, set up their permissions
4134 // and the channel TS with FJOIN.
4136 snprintf(ts,24,"%lu",(unsigned long)channel->age);
4138 params.push_back(channel->name);
4139 params.push_back(ts);
4140 params.push_back("@"+std::string(user->nick));
4141 DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
4146 virtual void OnChangeHost(userrec* user, const std::string &newhost)
4148 // only occurs for local clients
4149 if (user->registered != REG_ALL)
4151 std::deque<std::string> params;
4152 params.push_back(newhost);
4153 DoOneToMany(user->nick,"FHOST",params);
4156 virtual void OnChangeName(userrec* user, const std::string &gecos)
4158 // only occurs for local clients
4159 if (user->registered != REG_ALL)
4161 std::deque<std::string> params;
4162 params.push_back(gecos);
4163 DoOneToMany(user->nick,"FNAME",params);
4166 virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage)
4170 std::deque<std::string> params;
4171 params.push_back(channel->name);
4172 if (partmessage != "")
4173 params.push_back(":"+partmessage);
4174 DoOneToMany(user->nick,"PART",params);
4178 virtual void OnUserConnect(userrec* user)
4180 char agestr[MAXBUF];
4183 std::deque<std::string> params;
4184 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
4185 params.push_back(agestr);
4186 params.push_back(user->nick);
4187 params.push_back(user->host);
4188 params.push_back(user->dhost);
4189 params.push_back(user->ident);
4190 params.push_back("+"+std::string(user->FormatModes()));
4191 params.push_back(user->GetIPString());
4192 params.push_back(":"+std::string(user->fullname));
4193 DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
4195 // User is Local, change needs to be reflected!
4196 TreeServer* SourceServer = FindServer(user->server);
4199 SourceServer->AddUserCount();
4205 virtual void OnUserQuit(userrec* user, const std::string &reason)
4207 if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
4209 std::deque<std::string> params;
4210 params.push_back(":"+reason);
4211 DoOneToMany(user->nick,"QUIT",params);
4213 // Regardless, We need to modify the user Counts..
4214 TreeServer* SourceServer = FindServer(user->server);
4217 SourceServer->DelUserCount();
4222 virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
4226 std::deque<std::string> params;
4227 params.push_back(user->nick);
4228 DoOneToMany(oldnick,"NICK",params);
4232 virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason)
4234 if ((source) && (IS_LOCAL(source)))
4236 std::deque<std::string> params;
4237 params.push_back(chan->name);
4238 params.push_back(user->nick);
4239 params.push_back(":"+reason);
4240 DoOneToMany(source->nick,"KICK",params);
4244 std::deque<std::string> params;
4245 params.push_back(chan->name);
4246 params.push_back(user->nick);
4247 params.push_back(":"+reason);
4248 DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
4252 virtual void OnRemoteKill(userrec* source, userrec* dest, const std::string &reason)
4254 std::deque<std::string> params;
4255 params.push_back(dest->nick);
4256 params.push_back(":"+reason);
4257 DoOneToMany(source->nick,"KILL",params);
4260 virtual void OnRehash(const std::string ¶meter)
4262 if (parameter != "")
4264 std::deque<std::string> params;
4265 params.push_back(parameter);
4266 DoOneToMany(ServerInstance->Config->ServerName,"REHASH",params);
4268 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
4270 ServerInstance->WriteOpers("*** Remote rehash initiated from server \002%s\002",ServerInstance->Config->ServerName);
4271 ServerInstance->RehashServer();
4274 ReadConfiguration(false);
4277 // note: the protocol does not allow direct umode +o except
4278 // via NICK with 8 params. sending OPERTYPE infers +o modechange
4280 virtual void OnOper(userrec* user, const std::string &opertype)
4284 std::deque<std::string> params;
4285 params.push_back(opertype);
4286 DoOneToMany(user->nick,"OPERTYPE",params);
4290 void OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
4292 if (IS_LOCAL(source))
4295 snprintf(type,8,"%cLINE",linetype);
4296 std::string stype = type;
4299 char sduration[MAXBUF];
4300 snprintf(sduration,MAXBUF,"%ld",duration);
4301 std::deque<std::string> params;
4302 params.push_back(host);
4303 params.push_back(sduration);
4304 params.push_back(":"+reason);
4305 DoOneToMany(source->nick,stype,params);
4309 std::deque<std::string> params;
4310 params.push_back(host);
4311 DoOneToMany(source->nick,stype,params);
4316 virtual void OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
4318 OnLine(source,hostmask,true,'G',duration,reason);
4321 virtual void OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
4323 OnLine(source,ipmask,true,'Z',duration,reason);
4326 virtual void OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
4328 OnLine(source,nickmask,true,'Q',duration,reason);
4331 virtual void OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
4333 OnLine(source,hostmask,true,'E',duration,reason);
4336 virtual void OnDelGLine(userrec* source, const std::string &hostmask)
4338 OnLine(source,hostmask,false,'G',0,"");
4341 virtual void OnDelZLine(userrec* source, const std::string &ipmask)
4343 OnLine(source,ipmask,false,'Z',0,"");
4346 virtual void OnDelQLine(userrec* source, const std::string &nickmask)
4348 OnLine(source,nickmask,false,'Q',0,"");
4351 virtual void OnDelELine(userrec* source, const std::string &hostmask)
4353 OnLine(source,hostmask,false,'E',0,"");
4356 virtual void OnMode(userrec* user, void* dest, int target_type, const std::string &text)
4358 if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
4360 if (target_type == TYPE_USER)
4362 userrec* u = (userrec*)dest;
4363 std::deque<std::string> params;
4364 params.push_back(u->nick);
4365 params.push_back(text);
4366 DoOneToMany(user->nick,"MODE",params);
4370 chanrec* c = (chanrec*)dest;
4371 std::deque<std::string> params;
4372 params.push_back(c->name);
4373 params.push_back(text);
4374 DoOneToMany(user->nick,"MODE",params);
4379 virtual void OnSetAway(userrec* user)
4383 std::deque<std::string> params;
4384 params.push_back(":"+std::string(user->awaymsg));
4385 DoOneToMany(user->nick,"AWAY",params);
4389 virtual void OnCancelAway(userrec* user)
4393 std::deque<std::string> params;
4395 DoOneToMany(user->nick,"AWAY",params);
4399 virtual void ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
4401 TreeSocket* s = (TreeSocket*)opaque;
4404 if (target_type == TYPE_USER)
4406 userrec* u = (userrec*)target;
4407 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
4411 chanrec* c = (chanrec*)target;
4412 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
4417 virtual void ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
4419 TreeSocket* s = (TreeSocket*)opaque;
4422 if (target_type == TYPE_USER)
4424 userrec* u = (userrec*)target;
4425 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
4427 else if (target_type == TYPE_OTHER)
4429 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
4431 else if (target_type == TYPE_CHANNEL)
4433 chanrec* c = (chanrec*)target;
4434 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
4439 virtual void OnEvent(Event* event)
4441 if (event->GetEventID() == "send_metadata")
4443 std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
4444 if (params->size() < 3)
4446 (*params)[2] = ":" + (*params)[2];
4447 DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
4449 else if (event->GetEventID() == "send_mode")
4451 std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
4452 if (params->size() < 2)
4454 // Insert the TS value of the object, either userrec or chanrec
4456 userrec* a = ServerInstance->FindNick((*params)[0]);
4463 chanrec* a = ServerInstance->FindChan((*params)[0]);
4469 params->insert(params->begin() + 1,ConvToStr(ourTS));
4470 DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
4474 virtual ~ModuleSpanningTree()
4478 virtual Version GetVersion()
4480 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
4483 void Implements(char* List)
4485 List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
4486 List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
4487 List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
4488 List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
4489 List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
4490 List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
4491 List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = 1;
4494 /* It is IMPORTANT that m_spanningtree is the last module in the chain
4495 * so that any activity it sees is FINAL, e.g. we arent going to send out
4496 * a NICK message before m_cloaking has finished putting the +x on the user,
4498 * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
4499 * the module call queue.
4501 Priority Prioritize()
4503 return PRIORITY_LAST;
4508 class ModuleSpanningTreeFactory : public ModuleFactory
4511 ModuleSpanningTreeFactory()
4515 ~ModuleSpanningTreeFactory()
4519 virtual Module * CreateModule(InspIRCd* Me)
4521 TreeProtocolModule = new ModuleSpanningTree(Me);
4522 return TreeProtocolModule;
4528 extern "C" void * init_module( void )
4530 return new ModuleSpanningTreeFactory;