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 */
21 #include "configreader.h"
25 #include "commands/cmd_whois.h"
26 #include "commands/cmd_stats.h"
31 #include "cull_list.h"
34 #define nspace __gnu_cxx
37 /** If you make a change which breaks the protocol, increment this.
38 * If you completely change the protocol, completely change the number.
40 const long ProtocolVersion = 1101;
43 * The server list in InspIRCd is maintained as two structures
44 * which hold the data in different ways. Most of the time, we
45 * want to very quicky obtain three pieces of information:
47 * (1) The information on a server
48 * (2) The information on the server we must send data through
49 * to actually REACH the server we're after
50 * (3) Potentially, the child/parent objects of this server
52 * The InspIRCd spanning protocol provides easy access to these
53 * by storing the data firstly in a recursive structure, where
54 * each item references its parent item, and a dynamic list
55 * of child items, and another structure which stores the items
56 * hashed, linearly. This means that if we want to find a server
57 * by name quickly, we can look it up in the hash, avoiding
58 * any O(n) lookups. If however, during a split or sync, we want
59 * to apply an operation to a server, and any of its child objects
60 * we can resort to recursion to walk the tree structure.
63 using irc::sockets::MatchCIDR;
65 class ModuleSpanningTree;
66 static ModuleSpanningTree* TreeProtocolModule;
67 static InspIRCd* ServerInstance;
69 /** Any socket can have one of five states at any one time.
70 * The LISTENER state indicates a socket which is listening
71 * for connections. It cannot receive data itself, only incoming
73 * The CONNECTING state indicates an outbound socket which is
74 * waiting to be writeable.
75 * The WAIT_AUTH_1 state indicates the socket is outbound and
76 * has successfully connected, but has not yet sent and received
78 * The WAIT_AUTH_2 state indicates that the socket is inbound
79 * (allocated by a LISTENER) but has not yet sent and received
81 * The CONNECTED state represents a fully authorized, fully
84 enum ServerState { LISTENER, CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED };
86 /* Foward declarations */
90 /* This variable represents the root of the server tree
91 * (for all intents and purposes, it's us)
95 /* This hash_map holds the hash equivalent of the server
96 * tree, used for rapid linear lookups.
98 typedef nspace::hash_map<std::string, TreeServer*, nspace::hash<string>, irc::StrHashComp> server_hash;
99 server_hash serverlist;
101 typedef nspace::hash_map<std::string, userrec*> uid_hash;
102 typedef nspace::hash_map<std::string, char*> sid_hash;
104 /* More forward declarations */
105 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string target);
106 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string omit);
107 bool DoOneToAllButSender(const char* prefix, const char* command, std::deque<std::string> ¶ms, std::string omit);
108 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> ¶ms);
109 bool DoOneToMany(const char* prefix, const char* command, std::deque<std::string> ¶ms);
110 bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, irc::string command, std::deque<std::string> ¶ms);
111 void ReadConfiguration(bool rebind);
113 /* Flatten links and /MAP for non-opers */
115 /* Hide U-Lined servers in /MAP and /LINKS */
117 /* Announce TS changes to channels on merge */
118 bool AnnounceTSChange;
120 std::vector<std::string> ValidIPs;
122 /** This will be used in a future version of InspIRCd for UID support
124 class UserManager : public classbase
135 std::string UserToUID(userrec* user)
140 std::string UIDToUser(const std::string &UID)
145 std::string CreateAndAdd(userrec* user)
150 std::string CreateAndAdd(const std::string &servername)
155 std::string ServerToSID(const std::string &servername)
160 std::string SIDToServer(const std::string &SID)
165 userrec* FindByID(const std::string &UID)
172 /** Each server in the tree is represented by one class of
173 * type TreeServer. A locally connected TreeServer can
174 * have a class of type TreeSocket associated with it, for
175 * remote servers, the TreeSocket entry will be NULL.
176 * Each server also maintains a pointer to its parent
177 * (NULL if this server is ours, at the top of the tree)
178 * and a pointer to its "Route" (see the comments in the
179 * constructors below), and also a dynamic list of pointers
180 * to its children which can be iterated recursively
181 * if required. Creating or deleting objects of type
182 i* TreeServer automatically maintains the hash_map of
183 * TreeServer items, deleting and inserting them as they
184 * are created and destroyed.
186 class TreeServer : public classbase
188 InspIRCd* ServerInstance; /* Creator */
189 TreeServer* Parent; /* Parent entry */
190 TreeServer* Route; /* Route entry */
191 std::vector<TreeServer*> Children; /* List of child objects */
192 irc::string ServerName; /* Server's name */
193 std::string ServerDesc; /* Server's description */
194 std::string VersionString; /* Version string or empty string */
195 int UserCount; /* Not used in this version */
196 int OperCount; /* Not used in this version */
197 TreeSocket* Socket; /* For directly connected servers this points at the socket object */
198 time_t NextPing; /* After this time, the server should be PINGed*/
199 bool LastPingWasGood; /* True if the server responded to the last PING with a PONG */
203 /** We don't use this constructor. Its a dummy, and won't cause any insertion
204 * of the TreeServer into the hash_map. See below for the two we DO use.
206 TreeServer(InspIRCd* Instance) : ServerInstance(Instance)
212 UserCount = OperCount = 0;
213 VersionString = ServerInstance->GetVersionString();
216 /** We use this constructor only to create the 'root' item, TreeRoot, which
217 * represents our own server. Therefore, it has no route, no parent, and
218 * no socket associated with it. Its version string is our own local version.
220 TreeServer(InspIRCd* Instance, std::string Name, std::string Desc) : ServerInstance(Instance), ServerName(Name.c_str()), ServerDesc(Desc)
224 UserCount = OperCount = 0;
225 VersionString = ServerInstance->GetVersionString();
227 Socket = NULL; /* Fix by brain */
231 /** When we create a new server, we call this constructor to initialize it.
232 * This constructor initializes the server's Route and Parent, and sets up
233 * its ping counters so that it will be pinged one minute from now.
235 TreeServer(InspIRCd* Instance, std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock)
236 : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock)
239 UserCount = OperCount = 0;
240 this->SetNextPingTime(time(NULL) + 60);
243 /* find the 'route' for this server (e.g. the one directly connected
244 * to the local server, which we can use to reach it)
246 * In the following example, consider we have just added a TreeServer
247 * class for server G on our network, of which we are server A.
248 * To route traffic to G (marked with a *) we must send the data to
249 * B (marked with a +) so this algorithm initializes the 'Route'
250 * value to point at whichever server traffic must be routed through
251 * to get here. If we were to try this algorithm with server B,
252 * the Route pointer would point at its own object ('this').
262 * We only run this algorithm when a server is created, as
263 * the routes remain constant while ever the server exists, and
264 * do not need to be re-calculated.
268 if (Route == TreeRoot)
274 while (this->Route->GetParent() != TreeRoot)
276 this->Route = Route->GetParent();
280 /* Because recursive code is slow and takes a lot of resources,
281 * we store two representations of the server tree. The first
282 * is a recursive structure where each server references its
283 * children and its parent, which is used for netbursts and
284 * netsplits to dump the whole dataset to the other server,
285 * and the second is used for very fast lookups when routing
286 * messages and is instead a hash_map, where each item can
287 * be referenced by its server name. The AddHashEntry()
288 * call below automatically inserts each TreeServer class
289 * into the hash_map as it is created. There is a similar
290 * maintainance call in the destructor to tidy up deleted
294 this->AddHashEntry();
297 int QuitUsers(const std::string &reason)
299 ServerInstance->Log(DEBUG,"Removing all users from server %s",this->ServerName.c_str());
300 const char* reason_s = reason.c_str();
301 std::vector<userrec*> time_to_die;
302 for (user_hash::iterator n = ServerInstance->clientlist.begin(); n != ServerInstance->clientlist.end(); n++)
304 if (!strcmp(n->second->server, this->ServerName.c_str()))
306 time_to_die.push_back(n->second);
309 for (std::vector<userrec*>::iterator n = time_to_die.begin(); n != time_to_die.end(); n++)
311 userrec* a = (userrec*)*n;
312 ServerInstance->Log(DEBUG,"Kill %s fd=%d",a->nick,a->GetFd());
314 userrec::QuitUser(ServerInstance,a,reason_s);
316 return time_to_die.size();
319 /** This method is used to add the structure to the
320 * hash_map for linear searches. It is only called
321 * by the constructors.
325 server_hash::iterator iter;
326 iter = serverlist.find(this->ServerName.c_str());
327 if (iter == serverlist.end())
328 serverlist[this->ServerName.c_str()] = this;
331 /** This method removes the reference to this object
332 * from the hash_map which is used for linear searches.
333 * It is only called by the default destructor.
337 server_hash::iterator iter;
338 iter = serverlist.find(this->ServerName.c_str());
339 if (iter != serverlist.end())
340 serverlist.erase(iter);
343 /** These accessors etc should be pretty self-
346 TreeServer* GetRoute()
351 std::string GetName()
353 return ServerName.c_str();
356 std::string GetDesc()
361 std::string GetVersion()
363 return VersionString;
366 void SetNextPingTime(time_t t)
369 LastPingWasGood = false;
372 time_t NextPingTime()
377 bool AnsweredLastPing()
379 return LastPingWasGood;
384 LastPingWasGood = true;
407 TreeSocket* GetSocket()
412 TreeServer* GetParent()
417 void SetVersion(std::string Version)
419 VersionString = Version;
422 unsigned int ChildCount()
424 return Children.size();
427 TreeServer* GetChild(unsigned int n)
429 if (n < Children.size())
431 /* Make sure they cant request
432 * an out-of-range object. After
433 * all we know what these programmer
434 * types are like *grin*.
444 void AddChild(TreeServer* Child)
446 Children.push_back(Child);
449 bool DelChild(TreeServer* Child)
451 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
462 /** Removes child nodes of this node, and of that node, etc etc.
463 * This is used during netsplits to automatically tidy up the
464 * server tree. It is slow, we don't use it for much else.
468 bool stillchildren = true;
469 while (stillchildren)
471 stillchildren = false;
472 for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
474 TreeServer* s = (TreeServer*)*a;
478 stillchildren = true;
487 /* We'd better tidy up after ourselves, eh? */
488 this->DelHashEntry();
492 /** The Link class might as well be a struct,
493 * but this is C++ and we don't believe in structs (!).
494 * It holds the entire information of one <link>
495 * tag from the main config file. We maintain a list
496 * of them, and populate the list on rehash/load.
498 class Link : public classbase
504 std::string SendPass;
505 std::string RecvPass;
506 unsigned long AutoConnect;
507 time_t NextConnectTime;
508 std::string EncryptionKey;
509 bool HiddenFromStats;
510 irc::string FailOver;
513 void DoFailOver(Link* x);
514 Link* FindLink(const std::string& name);
516 /* The usual stuff for inspircd modules,
517 * plus the vector of Link classes which we
518 * use to store the <link> tags from the config
522 std::vector<Link> LinkBlocks;
524 /** Yay for fast searches!
525 * This is hundreds of times faster than recursion
526 * or even scanning a linked list, especially when
527 * there are more than a few servers to deal with.
530 TreeServer* FindServer(std::string ServerName)
532 server_hash::iterator iter;
533 iter = serverlist.find(ServerName.c_str());
534 if (iter != serverlist.end())
544 /** Returns the locally connected server we must route a
545 * message through to reach server 'ServerName'. This
546 * only applies to one-to-one and not one-to-many routing.
547 * See the comments for the constructor of TreeServer
550 TreeServer* BestRouteTo(std::string ServerName)
552 if (ServerName.c_str() == TreeRoot->GetName())
554 TreeServer* Found = FindServer(ServerName);
557 return Found->GetRoute();
565 /** Find the first server matching a given glob mask.
566 * Theres no find-using-glob method of hash_map [awwww :-(]
567 * so instead, we iterate over the list using an iterator
568 * and match each one until we get a hit. Yes its slow,
571 TreeServer* FindServerMask(std::string ServerName)
573 for (server_hash::iterator i = serverlist.begin(); i != serverlist.end(); i++)
575 if (match(i->first.c_str(),ServerName.c_str()))
581 /* A convenient wrapper that returns true if a server exists */
582 bool IsServer(std::string ServerName)
584 return (FindServer(ServerName) != NULL);
590 class cmd_rconnect : public command_t
594 cmd_rconnect (InspIRCd* Instance, Module* Callback) : command_t(Instance, "RCONNECT", 'o', 2), Creator(Callback)
596 this->source = "m_spanningtree.so";
597 syntax = "<remote-server-mask> <servermask>";
600 CmdResult Handle (const char** parameters, int pcnt, userrec *user)
602 user->WriteServ("NOTICE %s :*** RCONNECT: Sending remote connect to \002%s\002 to connect server \002%s\002.",user->nick,parameters[0],parameters[1]);
603 /* Is this aimed at our server? */
604 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameters[0]))
606 /* Yes, initiate the given connect */
607 ServerInstance->SNO->WriteToSnoMask('l',"Remote CONNECT from %s matching \002%s\002, connecting server \002%s\002",user->nick,parameters[0],parameters[1]);
609 para[0] = parameters[1];
610 std::string original_command = std::string("CONNECT ") + parameters[1];
611 Creator->OnPreCommand("CONNECT", para, 1, user, true, original_command);
622 /** Every SERVER connection inbound or outbound is represented by
623 * an object of type TreeSocket.
624 * TreeSockets, being inherited from InspSocket, can be tied into
625 * the core socket engine, and we cn therefore receive activity events
626 * for them, just like activex objects on speed. (yes really, that
627 * is a technical term!) Each of these which relates to a locally
628 * connected server is assocated with it, by hooking it onto a
629 * TreeSocket class using its constructor. In this way, we can
630 * maintain a list of servers, some of which are directly connected,
631 * some of which are not.
633 class TreeSocket : public InspSocket
636 std::string in_buffer;
637 ServerState LinkState;
638 std::string InboundServerName;
639 std::string InboundDescription;
641 int num_lost_servers;
643 bool LastPingWasGood;
647 unsigned int keylength;
648 std::string ModuleList;
649 std::map<std::string,std::string> CapKeys;
653 /** Because most of the I/O gubbins are encapsulated within
654 * InspSocket, we just call the superclass constructor for
655 * most of the action, and append a few of our own values
658 TreeSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime)
659 : InspSocket(SI, host, port, listening, maxtime)
662 this->LinkState = LISTENER;
664 this->ctx_out = NULL;
667 TreeSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, std::string ServerName)
668 : InspSocket(SI, host, port, listening, maxtime)
671 this->LinkState = CONNECTING;
673 this->ctx_out = NULL;
676 /** When a listening socket gives us a new file descriptor,
677 * we must associate it with a socket without creating a new
678 * connection. This constructor is used for this purpose.
680 TreeSocket(InspIRCd* SI, int newfd, char* ip)
681 : InspSocket(SI, newfd, ip)
683 this->LinkState = WAIT_AUTH_1;
685 this->ctx_out = NULL;
686 this->SendCapabilities();
697 void InitAES(std::string key,std::string SName)
704 Instance->Log(DEBUG,"Initialized AES key %s",key.c_str());
705 // key must be 16, 24, 32 etc bytes (multiple of 8)
706 keylength = key.length();
707 if (!(keylength == 16 || keylength == 24 || keylength == 32))
709 this->Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Key length for encryptionkey is not 16, 24 or 32 bytes in length!");
710 Instance->Log(DEBUG,"Key length not 16, 24 or 32 characters!");
714 if (this->GetState() != I_ERROR)
716 this->Instance->SNO->WriteToSnoMask('l',"\2AES\2: Initialized %d bit encryption to server %s",keylength*8,SName.c_str());
717 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\
718 \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);
719 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\
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);
725 /** When an outbound connection finishes connecting, we receive
726 * this event, and must send our SERVER string to the other
727 * side. If the other side is happy, as outlined in the server
728 * to server docs on the inspircd.org site, the other side
729 * will then send back its own server string.
731 virtual bool OnConnected()
733 if (this->LinkState == CONNECTING)
735 /* we do not need to change state here. */
736 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
738 if (x->Name == this->myhost)
740 this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] started.");
741 this->SendCapabilities();
742 if (x->EncryptionKey != "")
744 if (!(x->EncryptionKey.length() == 16 || x->EncryptionKey.length() == 24 || x->EncryptionKey.length() == 32))
746 this->Instance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your encryption key is NOT 16, 24 or 32 characters in length, encryption will \2NOT\2 be enabled.");
750 this->WriteLine(std::string("AES ")+this->Instance->Config->ServerName);
751 this->InitAES(x->EncryptionKey,x->Name.c_str());
754 /* found who we're supposed to be connecting to, send the neccessary gubbins. */
755 this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+x->SendPass+" 0 :"+this->Instance->Config->ServerDesc);
760 /* There is a (remote) chance that between the /CONNECT and the connection
761 * being accepted, some muppet has removed the <link> block and rehashed.
762 * If that happens the connection hangs here until it's closed. Unlikely
763 * and rather harmless.
765 this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2 lost link tag(!)");
769 virtual void OnError(InspSocketError e)
771 /* We don't handle this method, because all our
772 * dirty work is done in OnClose() (see below)
773 * which is still called on error conditions too.
775 if (e == I_ERR_CONNECT)
777 this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Connection to \002"+myhost+"\002 refused");
778 Link* MyLink = FindLink(myhost);
784 virtual int OnDisconnect()
786 /* For the same reason as above, we don't
787 * handle OnDisconnect()
792 /** Recursively send the server tree with distances as hops.
793 * This is used during network burst to inform the other server
794 * (and any of ITS servers too) of what servers we know about.
795 * If at any point any of these servers already exist on the other
796 * end, our connection may be terminated. The hopcounts given
797 * by this function are relative, this doesn't matter so long as
798 * they are all >1, as all the remote servers re-calculate them
799 * to be relative too, with themselves as hop 0.
801 void SendServers(TreeServer* Current, TreeServer* s, int hops)
804 for (unsigned int q = 0; q < Current->ChildCount(); q++)
806 TreeServer* recursive_server = Current->GetChild(q);
807 if (recursive_server != s)
809 snprintf(command,1024,":%s SERVER %s * %d :%s",Current->GetName().c_str(),recursive_server->GetName().c_str(),hops,recursive_server->GetDesc().c_str());
810 this->WriteLine(command);
811 this->WriteLine(":"+recursive_server->GetName()+" VERSION :"+recursive_server->GetVersion());
812 /* down to next level */
813 this->SendServers(recursive_server, s, hops+1);
818 std::string MyCapabilities()
820 std::vector<std::string> modlist;
821 std::string capabilities = "";
823 for (int i = 0; i <= this->Instance->GetModuleCount(); i++)
825 if (this->Instance->modules[i]->GetVersion().Flags & VF_COMMON)
826 modlist.push_back(this->Instance->Config->module_names[i]);
828 sort(modlist.begin(),modlist.end());
829 for (unsigned int i = 0; i < modlist.size(); i++)
832 capabilities = capabilities + ",";
833 capabilities = capabilities + modlist[i];
838 void SendCapabilities()
840 irc::commasepstream modulelist(MyCapabilities());
842 this->WriteLine("CAPAB START");
844 /* Send module names, split at 509 length */
845 std::string item = "*";
846 std::string line = "CAPAB MODULES ";
847 while ((item = modulelist.GetToken()) != "")
849 if (line.length() + item.length() + 1 > 509)
851 this->WriteLine(line);
852 line = "CAPAB MODULES ";
855 if (line != "CAPAB MODULES ")
860 if (line != "CAPAB MODULES ")
861 this->WriteLine(line);
868 #ifdef SUPPORT_IP6LINKS
871 this->WriteLine("CAPAB CAPABILITIES :NICKMAX="+ConvToStr(NICKMAX)+" HALFOP="+ConvToStr(this->Instance->Config->AllowHalfop)+" CHANMAX="+ConvToStr(CHANMAX)+" MAXMODES="+ConvToStr(MAXMODES)+" IDENTMAX="+ConvToStr(IDENTMAX)+" MAXQUIT="+ConvToStr(MAXQUIT)+" MAXTOPIC="+ConvToStr(MAXTOPIC)+" MAXKICK="+ConvToStr(MAXKICK)+" MAXGECOS="+ConvToStr(MAXGECOS)+" MAXAWAY="+ConvToStr(MAXAWAY)+" IP6NATIVE="+ConvToStr(ip6)+" IP6SUPPORT="+ConvToStr(ip6support)+" PROTOCOL="+ConvToStr(ProtocolVersion));
873 this->WriteLine("CAPAB END");
876 /* Check a comma seperated list for an item */
877 bool HasItem(const std::string &list, const std::string &item)
879 irc::commasepstream seplist(list);
881 std::string item2 = "*";
882 while ((item2 = seplist.GetToken()) != "")
891 /* Isolate and return the elements that are different between two comma seperated lists */
892 std::string ListDifference(const std::string &one, const std::string &two)
894 irc::commasepstream list_one(one);
895 std::string item = "*";
896 std::string result = "";
897 while ((item = list_one.GetToken()) != "")
899 if (!HasItem(two, item))
908 bool Capab(std::deque<std::string> params)
910 if (params.size() < 1)
912 this->WriteLine("ERROR :Invalid number of parameters for CAPAB - Mismatched version");
916 if (params[0] == "START")
918 this->ModuleList = "";
919 this->CapKeys.clear();
921 else if (params[0] == "END")
923 std::string reason = "";
925 #ifdef SUPPORT_IP6LINKS
928 /* Compare ModuleList and check CapKeys...
929 * Maybe this could be tidier? -- Brain
931 if ((this->ModuleList != this->MyCapabilities()) && (this->ModuleList.length()))
933 std::string diff = ListDifference(this->ModuleList, this->MyCapabilities());
936 diff = "your server:" + ListDifference(this->MyCapabilities(), this->ModuleList);
940 diff = "this server:" + diff;
942 if (diff.length() == 12)
943 reason = "Module list in CAPAB is not alphabetically ordered, cannot compare lists.";
945 reason = "Modules loaded on these servers are not correctly matched, these modules are not loaded on " + diff;
948 if (((this->CapKeys.find("IP6SUPPORT") == this->CapKeys.end()) && (ip6support)) || ((this->CapKeys.find("IP6SUPPORT") != this->CapKeys.end()) && (this->CapKeys.find("IP6SUPPORT")->second != ConvToStr(ip6support))))
949 reason = "We don't both support linking to IPV6 servers";
951 if (((this->CapKeys.find("IP6NATIVE") != this->CapKeys.end()) && (this->CapKeys.find("IP6NATIVE")->second == "1")) && (!ip6support))
952 reason = "The remote server is IPV6 native, and we don't support linking to IPV6 servers";
954 if (((this->CapKeys.find("NICKMAX") == this->CapKeys.end()) || ((this->CapKeys.find("NICKMAX") != this->CapKeys.end()) && (this->CapKeys.find("NICKMAX")->second != ConvToStr(NICKMAX)))))
955 reason = "Maximum nickname lengths differ or remote nickname length not specified";
957 if (((this->CapKeys.find("PROTOCOL") == this->CapKeys.end()) || ((this->CapKeys.find("PROTOCOL") != this->CapKeys.end()) && (this->CapKeys.find("PROTOCOL")->second != ConvToStr(ProtocolVersion)))))
959 if (this->CapKeys.find("PROTOCOL") != this->CapKeys.end())
961 reason = "Mismatched protocol versions "+this->CapKeys.find("PROTOCOL")->second+" and "+ConvToStr(ProtocolVersion);
965 reason = "Protocol version not specified";
969 if (((this->CapKeys.find("HALFOP") == this->CapKeys.end()) && (Instance->Config->AllowHalfop)) || ((this->CapKeys.find("HALFOP") != this->CapKeys.end()) && (this->CapKeys.find("HALFOP")->second != ConvToStr(Instance->Config->AllowHalfop))))
970 reason = "We don't both have halfop support enabled/disabled identically";
972 if (((this->CapKeys.find("IDENTMAX") == this->CapKeys.end()) || ((this->CapKeys.find("IDENTMAX") != this->CapKeys.end()) && (this->CapKeys.find("IDENTMAX")->second != ConvToStr(IDENTMAX)))))
973 reason = "Maximum ident lengths differ or remote ident length not specified";
975 if (((this->CapKeys.find("CHANMAX") == this->CapKeys.end()) || ((this->CapKeys.find("CHANMAX") != this->CapKeys.end()) && (this->CapKeys.find("CHANMAX")->second != ConvToStr(CHANMAX)))))
976 reason = "Maximum channel lengths differ or remote channel length not specified";
978 if (((this->CapKeys.find("MAXMODES") == this->CapKeys.end()) || ((this->CapKeys.find("MAXMODES") != this->CapKeys.end()) && (this->CapKeys.find("MAXMODES")->second != ConvToStr(MAXMODES)))))
979 reason = "Maximum modes per line differ or remote modes per line not specified";
981 if (((this->CapKeys.find("MAXQUIT") == this->CapKeys.end()) || ((this->CapKeys.find("MAXQUIT") != this->CapKeys.end()) && (this->CapKeys.find("MAXQUIT")->second != ConvToStr(MAXQUIT)))))
982 reason = "Maximum quit lengths differ or remote quit length not specified";
984 if (((this->CapKeys.find("MAXTOPIC") == this->CapKeys.end()) || ((this->CapKeys.find("MAXTOPIC") != this->CapKeys.end()) && (this->CapKeys.find("MAXTOPIC")->second != ConvToStr(MAXTOPIC)))))
985 reason = "Maximum topic lengths differ or remote topic length not specified";
987 if (((this->CapKeys.find("MAXKICK") == this->CapKeys.end()) || ((this->CapKeys.find("MAXKICK") != this->CapKeys.end()) && (this->CapKeys.find("MAXKICK")->second != ConvToStr(MAXKICK)))))
988 reason = "Maximum kick lengths differ or remote kick length not specified";
990 if (((this->CapKeys.find("MAXGECOS") == this->CapKeys.end()) || ((this->CapKeys.find("MAXGECOS") != this->CapKeys.end()) && (this->CapKeys.find("MAXGECOS")->second != ConvToStr(MAXGECOS)))))
991 reason = "Maximum GECOS (fullname) lengths differ or remote GECOS length not specified";
993 if (((this->CapKeys.find("MAXAWAY") == this->CapKeys.end()) || ((this->CapKeys.find("MAXAWAY") != this->CapKeys.end()) && (this->CapKeys.find("MAXAWAY")->second != ConvToStr(MAXAWAY)))))
994 reason = "Maximum awaymessage lengths differ or remote awaymessage length not specified";
998 this->WriteLine("ERROR :CAPAB negotiation failed: "+reason);
1002 else if ((params[0] == "MODULES") && (params.size() == 2))
1004 if (!this->ModuleList.length())
1006 this->ModuleList.append(params[1]);
1010 this->ModuleList.append(",");
1011 this->ModuleList.append(params[1]);
1014 else if ((params[0] == "CAPABILITIES") && (params.size() == 2))
1016 irc::tokenstream capabs(params[1]);
1017 std::string item = "*";
1018 while ((item = capabs.GetToken()) != "")
1020 /* Process each key/value pair */
1021 std::string::size_type equals = item.rfind('=');
1022 if (equals != std::string::npos)
1024 std::string var = item.substr(0, equals);
1025 std::string value = item.substr(equals+1, item.length());
1026 this->Instance->Log(DEBUG,"Key='%s' Value='%s'",var.c_str(),value.c_str());
1027 CapKeys[var] = value;
1035 /** This function forces this server to quit, removing this server
1036 * and any users on it (and servers and users below that, etc etc).
1037 * It's very slow and pretty clunky, but luckily unless your network
1038 * is having a REAL bad hair day, this function shouldnt be called
1039 * too many times a month ;-)
1041 void SquitServer(std::string &from, TreeServer* Current)
1043 /* recursively squit the servers attached to 'Current'.
1044 * We're going backwards so we don't remove users
1045 * while we still need them ;)
1047 for (unsigned int q = 0; q < Current->ChildCount(); q++)
1049 TreeServer* recursive_server = Current->GetChild(q);
1050 this->SquitServer(from,recursive_server);
1052 /* Now we've whacked the kids, whack self */
1054 num_lost_users += Current->QuitUsers(from);
1057 /** This is a wrapper function for SquitServer above, which
1058 * does some validation first and passes on the SQUIT to all
1059 * other remaining servers.
1061 void Squit(TreeServer* Current,std::string reason)
1063 if ((Current) && (Current != TreeRoot))
1065 std::deque<std::string> params;
1066 params.push_back(Current->GetName());
1067 params.push_back(":"+reason);
1068 DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName());
1069 if (Current->GetParent() == TreeRoot)
1071 this->Instance->WriteOpers("Server \002"+Current->GetName()+"\002 split: "+reason);
1075 this->Instance->WriteOpers("Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
1077 num_lost_servers = 0;
1079 std::string from = Current->GetParent()->GetName()+" "+Current->GetName();
1080 SquitServer(from, Current);
1082 Current->GetParent()->DelChild(Current);
1084 this->Instance->WriteOpers("Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
1088 Instance->Log(DEFAULT,"Squit from unknown server");
1092 /** FMODE command - server mode with timestamp checks */
1093 bool ForceMode(std::string source, std::deque<std::string> ¶ms)
1095 /* Chances are this is a 1.0 FMODE without TS */
1096 if (params.size() < 3)
1098 this->WriteLine("ERROR :Version 1.0 FMODE sent to version 1.1 server");
1103 std::string sourceserv;
1105 /* Are we dealing with an FMODE from a user, or from a server? */
1106 userrec* who = this->Instance->FindNick(source);
1109 /* FMODE from a user, set sourceserv to the users server name */
1110 sourceserv = who->server;
1114 /* FMODE from a server, create a fake user to receive mode feedback */
1115 who = new userrec(this->Instance);
1116 who->SetFd(FD_MAGIC_NUMBER);
1117 smode = true; /* Setting this flag tells us we should free the userrec later */
1118 sourceserv = source; /* Set sourceserv to the actual source string */
1120 const char* modelist[64];
1123 memset(&modelist,0,sizeof(modelist));
1124 for (unsigned int q = 0; (q < params.size()) && (q < 64); q++)
1128 /* The timestamp is in this position.
1129 * We don't want to pass that up to the
1130 * server->client protocol!
1132 TS = atoi(params[q].c_str());
1136 /* Everything else is fine to append to the modelist */
1137 modelist[n++] = params[q].c_str();
1141 /* Extract the TS value of the object, either userrec or chanrec */
1142 userrec* dst = this->Instance->FindNick(params[0]);
1143 chanrec* chan = NULL;
1151 chan = this->Instance->FindChan(params[0]);
1157 /* Oops, channel doesnt exist! */
1161 /* TS is equal: Merge the mode changes, use voooodoooooo on modes
1166 Instance->Log(DEBUG,"Entering TS equality check");
1167 ModeHandler* mh = NULL;
1168 unsigned long paramptr = 3;
1169 std::string to_bounce = "";
1170 std::string to_keep = "";
1171 std::vector<std::string> params_to_keep;
1172 std::string params_to_bounce = "";
1174 char cur_change = 1;
1175 char old_change = 0;
1176 char old_bounce_change = 0;
1177 /* Merge modes, basically do special stuff to mode with params */
1178 for (std::string::iterator x = params[2].begin(); x != params[2].end(); x++)
1191 /* We only care about whats being set,
1192 * not whats being unset
1194 mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1196 if ((mh) && (mh->GetNumParams(adding) > 0) && (!mh->IsListMode()))
1198 /* We only want to do special things to
1199 * modes with parameters, we are going to rewrite
1203 adding ? cur_change = '+' : cur_change = '-';
1205 ret = mh->ModeSet(smode ? NULL : who, dst, chan, params[paramptr]);
1207 /* The mode is set here, check which we should keep */
1210 bool which_to_keep = mh->CheckTimeStamp(TS, ourTS, params[paramptr], ret.second, chan);
1212 if (which_to_keep == true)
1214 /* Keep ours, bounce theirs:
1215 * Send back ours to them and
1216 * drop their mode changs
1218 adding ? cur_change = '+' : cur_change = '-';
1219 if (cur_change != old_bounce_change)
1220 to_bounce += cur_change;
1222 old_bounce_change = cur_change;
1224 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1225 params_to_bounce.append(" ").append(ret.second);
1229 /* Keep theirs: Accept their mode change,
1232 adding ? cur_change = '+' : cur_change = '-';
1233 if (cur_change != old_change)
1234 to_keep += cur_change;
1236 old_change = cur_change;
1238 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1239 params_to_keep.push_back(params[paramptr]);
1244 /* Mode isnt set here, we want it */
1245 adding ? cur_change = '+' : cur_change = '-';
1246 if (cur_change != old_change)
1247 to_keep += cur_change;
1249 old_change = cur_change;
1251 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1252 params_to_keep.push_back(params[paramptr]);
1259 mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1263 adding ? cur_change = '+' : cur_change = '-';
1265 /* Just keep this, safe to merge with no checks
1266 * it has no parameters
1269 if (cur_change != old_change)
1270 to_keep += cur_change;
1272 old_change = cur_change;
1274 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1276 Instance->Log(DEBUG,"Mode removal %d %d",adding, mh->GetNumParams(adding));
1277 params_to_keep.push_back(params[paramptr++]);
1284 mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1288 /* Taking a mode away */
1289 adding ? cur_change = '+' : cur_change = '-';
1291 if (cur_change != old_change)
1292 to_keep += cur_change;
1294 old_change = cur_change;
1296 if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size()))
1297 params_to_keep.push_back(params[paramptr++]);
1304 if (to_bounce.length())
1306 std::deque<std::string> newparams;
1307 newparams.push_back(params[0]);
1308 newparams.push_back(ConvToStr(ourTS));
1309 newparams.push_back(to_bounce+params_to_bounce);
1310 Instance->Log(DEBUG,"BOUNCE BACK: %s",(to_bounce+params_to_bounce).c_str());
1311 DoOneToOne(this->Instance->Config->ServerName,"FMODE",newparams,sourceserv);
1314 if (to_keep.length())
1318 modelist[0] = params[0].c_str();
1319 modelist[1] = to_keep.c_str();
1321 if (params_to_keep.size() > 0)
1323 for (q = 0; (q < params_to_keep.size()) && (q < 64); q++)
1325 Instance->Log(DEBUG,"KEEP Item %d of %d: %s", q, params_to_keep.size(), params_to_keep[q].c_str());
1326 modelist[n++] = params_to_keep[q].c_str();
1332 Instance->Log(DEBUG,"Send mode");
1333 this->Instance->SendMode(modelist, n, who);
1337 Instance->Log(DEBUG,"Send mode client");
1338 this->Instance->CallCommandHandler("MODE", modelist, n, who);
1341 /* HOT POTATO! PASS IT ON! */
1342 DoOneToAllButSender(source,"FMODE",params,sourceserv);
1346 /* U-lined servers always win regardless of their TS */
1347 if ((TS > ourTS) && (!this->Instance->ULine(source.c_str())))
1349 /* Bounce the mode back to its sender.* We use our lower TS, so the other end
1350 * SHOULD accept it, if its clock is right.
1352 * NOTE: We should check that we arent bouncing anything thats already set at this end.
1353 * If we are, bounce +ourmode to 'reinforce' it. This prevents desyncs.
1354 * e.g. They send +l 50, we have +l 10 set. rather than bounce -l 50, we bounce +l 10.
1356 * Thanks to jilles for pointing out this one-hell-of-an-issue before i even finished
1357 * writing the code. It took me a while to come up with this solution.
1359 * XXX: BE SURE YOU UNDERSTAND THIS CODE FULLY BEFORE YOU MESS WITH IT.
1362 std::deque<std::string> newparams; /* New parameter list we send back */
1363 newparams.push_back(params[0]); /* Target, user or channel */
1364 newparams.push_back(ConvToStr(ourTS)); /* Timestamp value of the target */
1365 newparams.push_back(""); /* This contains the mode string. For now
1366 * it's empty, we fill it below.
1369 /* Intelligent mode bouncing. Don't just invert, reinforce any modes which are already
1370 * set to avoid a desync here.
1372 std::string modebounce = "";
1375 ModeHandler* mh = NULL;
1376 char cur_change = 1;
1377 char old_change = 0;
1378 for (std::string::iterator x = params[2].begin(); x != params[2].end(); x++)
1380 /* Iterate over all mode chars in the sent set */
1383 /* Adding or subtracting modes? */
1391 /* Find the mode handler for this mode */
1392 mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
1394 /* Got a mode handler?
1395 * This also prevents us bouncing modes we have no handler for.
1402 /* Does the mode require a parameter right now?
1403 * If it does, fetch it if we can
1405 if ((mh->GetNumParams(adding) > 0) && (t < params.size()))
1408 /* Call the ModeSet method to determine if its set with the
1409 * given parameter here or not.
1411 ret = mh->ModeSet(smode ? NULL : who, dst, chan, p);
1413 /* XXX: Really. Dont ask.
1414 * Determine from if its set combined with what the current
1415 * 'state' is (adding or not) as to wether we should 'invert'
1416 * or 'reinforce' the mode change
1418 (!ret.first ? (adding ? cur_change = '-' : cur_change = '+') : (!adding ? cur_change = '-' : cur_change = '+'));
1420 /* Quickly determine if we have 'flipped' from + to -,
1421 * or - to +, to prevent unneccessary +/- chars in the
1422 * output string that waste bandwidth
1424 if (cur_change != old_change)
1425 modebounce += cur_change;
1426 old_change = cur_change;
1428 /* Add the mode character to the output string */
1429 modebounce += mh->GetModeChar();
1431 /* We got a parameter back from ModeHandler::ModeSet,
1432 * are we supposed to be sending one out right now?
1434 if (ret.second.length())
1436 if (mh->GetNumParams(cur_change == '+') > 0)
1437 /* Yes we're supposed to be sending out
1438 * the parameter. Make sure it goes
1440 newparams.push_back(ret.second);
1448 /* Update the parameters for FMODE with the new 'bounced' string */
1449 newparams[2] = modebounce;
1450 /* Only send it back the way it came, no need to send it anywhere else */
1451 DoOneToOne(this->Instance->Config->ServerName,"FMODE",newparams,sourceserv);
1452 Instance->Log(DEBUG,"FMODE bounced intelligently, our TS less than theirs and the other server is NOT a uline.");
1456 Instance->Log(DEBUG,"Allow modes, TS lower for sender");
1457 /* The server was ulined, but something iffy is up with the TS.
1458 * Sound the alarm bells!
1460 if ((this->Instance->ULine(sourceserv.c_str())) && (TS > ourTS))
1462 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());
1464 /* Allow the mode, route it to either server or user command handling */
1466 this->Instance->SendMode(modelist,n,who);
1468 this->Instance->CallCommandHandler("MODE", modelist, n, who);
1470 /* HOT POTATO! PASS IT ON! */
1471 DoOneToAllButSender(source,"FMODE",params,sourceserv);
1473 /* Are we supposed to free the userrec? */
1480 /** FTOPIC command */
1481 bool ForceTopic(std::string source, std::deque<std::string> ¶ms)
1483 if (params.size() != 4)
1485 time_t ts = atoi(params[1].c_str());
1486 std::string nsource = source;
1488 chanrec* c = this->Instance->FindChan(params[0]);
1491 if ((ts >= c->topicset) || (!*c->topic))
1493 std::string oldtopic = c->topic;
1494 strlcpy(c->topic,params[3].c_str(),MAXTOPIC);
1495 strlcpy(c->setby,params[2].c_str(),NICKMAX-1);
1497 /* if the topic text is the same as the current topic,
1498 * dont bother to send the TOPIC command out, just silently
1499 * update the set time and set nick.
1501 if (oldtopic != params[3])
1503 userrec* user = this->Instance->FindNick(source);
1506 c->WriteChannelWithServ(source.c_str(), "TOPIC %s :%s", c->name, c->topic);
1510 c->WriteChannel(user, "TOPIC %s :%s", c->name, c->topic);
1511 nsource = user->server;
1513 /* all done, send it on its way */
1514 params[3] = ":" + params[3];
1515 DoOneToAllButSender(source,"FTOPIC",params,nsource);
1524 /** FJOIN, similar to TS6 SJOIN, but not quite. */
1525 bool ForceJoin(std::string source, std::deque<std::string> ¶ms)
1527 /* 1.1 FJOIN works as follows:
1529 * Each FJOIN is sent along with a timestamp, and the side with the lowest
1530 * timestamp 'wins'. From this point on we will refer to this side as the
1531 * winner. The side with the higher timestamp loses, from this point on we
1532 * will call this side the loser or losing side. This should be familiar to
1533 * anyone who's dealt with dreamforge or TS6 before.
1535 * When two sides of a split heal and this occurs, the following things
1538 * If the timestamps are exactly equal, both sides merge their privilages
1539 * and users, as in InspIRCd 1.0 and ircd2.8. The channels have not been
1540 * re-created during a split, this is safe to do.
1543 * If the timestamps are NOT equal, the losing side removes all privilage
1544 * modes from all of its users that currently exist in the channel, before
1545 * introducing new users into the channel which are listed in the FJOIN
1546 * command's parameters. This means, all modes +ohv, and privilages added
1547 * by modules, such as +qa. The losing side then LOWERS its timestamp value
1548 * of the channel to match that of the winning side, and the modes of the
1549 * users of the winning side are merged in with the losing side. The loser
1550 * then sends out a set of FMODE commands which 'confirm' that it just
1551 * removed all privilage modes from its existing users, which allows for
1552 * services packages to still work correctly without needing to know the
1553 * timestamping rules which InspIRCd follows. In TS6 servers this is always
1554 * a problem, and services packages must contain code which explicitly
1555 * behaves as TS6 does, removing ops from the losing side of a split where
1556 * neccessary within its internal records, as this state information is
1557 * not explicitly echoed out in that protocol.
1559 * The winning side on the other hand will ignore all user modes from the
1560 * losing side, so only its own modes get applied. Life is simple for those
1561 * who succeed at internets. :-)
1563 * NOTE: Unlike TS6 and dreamforge and other protocols which have SJOIN,
1564 * FJOIN does not contain the simple-modes such as +iklmnsp. Why not,
1565 * you ask? Well, quite simply because we don't need to. They'll be sent
1566 * after the FJOIN by FMODE, and FMODE is timestamped, so in the event
1567 * the losing side sends any modes for the channel which shouldnt win,
1568 * they wont as their timestamp will be too high :-)
1571 if (params.size() < 3)
1574 char first[MAXBUF]; /* The first parameter of the mode command */
1575 char modestring[MAXBUF]; /* The mode sequence (2nd parameter) of the mode command */
1576 char* mode_users[127]; /* The values used by the mode command */
1577 memset(&mode_users,0,sizeof(mode_users)); /* Initialize mode parameters */
1578 mode_users[0] = first; /* Set this up to be our on-stack value */
1579 mode_users[1] = modestring; /* Same here as above */
1580 strcpy(modestring,"+"); /* Initialize the mode sequence to just '+' */
1581 unsigned int modectr = 2; /* Pointer to the third mode parameter (e.g. the one after the +-sequence) */
1583 userrec* who = NULL; /* User we are currently checking */
1584 std::string channel = params[0]; /* Channel name, as a string */
1585 time_t TS = atoi(params[1].c_str()); /* Timestamp given to us for remote side */
1587 /* Try and find the channel */
1588 chanrec* chan = this->Instance->FindChan(channel);
1590 /* Initialize channel name in the mode parameters */
1591 strlcpy(mode_users[0],channel.c_str(),MAXBUF);
1593 /* default TS is a high value, which if we dont have this
1594 * channel will let the other side apply their modes.
1596 time_t ourTS = time(NULL)+600;
1598 /* Does this channel exist? if it does, get its REAL timestamp */
1602 /* In 1.1, if they have the newer channel, we immediately clear
1603 * all status modes from our users. We then accept their modes.
1604 * If WE have the newer channel its the other side's job to do this.
1605 * Note that this causes the losing server to send out confirming
1610 std::deque<std::string> param_list;
1615 /* Lower the TS here */
1616 if (AnnounceTSChange && chan)
1617 chan->WriteChannelWithServ(Instance->Config->ServerName,
1618 "TS for %s changed from %lu to %lu", chan->name, ourTS, TS);
1621 param_list.push_back(channel);
1622 /* Zap all the privilage modes on our side */
1623 this->RemoveStatus(Instance->Config->ServerName, param_list);
1626 /* Put the final parameter of the FJOIN into a tokenstream ready to split it */
1627 irc::tokenstream users(params[2]);
1628 std::string item = "*";
1630 /* do this first, so our mode reversals are correctly received by other servers
1631 * if there is a TS collision.
1633 params[2] = ":" + params[2];
1634 DoOneToAllButSender(source,"FJOIN",params,source);
1636 /* Now, process every 'prefixes,nick' pair */
1639 /* Find next user */
1640 item = users.GetToken();
1642 const char* usr = item.c_str();
1644 /* Safety check just to make sure someones not sent us an FJOIN full of spaces
1645 * (is this even possible?) */
1648 const char* permissions = usr;
1650 char* nm = new char[MAXBUF];
1653 /* Iterate through all the prefix values, convert them from prefixes
1654 * to mode letters, and append them to the mode sequence
1656 while ((*permissions) && (*permissions != ',') && (ntimes < MAXBUF))
1658 ModeHandler* mh = Instance->Modes->FindPrefix(*permissions);
1661 /* This is a valid prefix */
1663 *tnm++ = mh->GetModeChar();
1667 /* Not a valid prefix...
1668 * danger bill bobbertson! (that's will robinsons older brother ;-) ...)
1670 this->Instance->WriteOpers("ERROR: We received a user with an unknown prefix '%c'. Closed connection to avoid a desync.",*permissions);
1671 this->WriteLine(std::string("ERROR :Invalid prefix '")+(*permissions)+"' in FJOIN");
1678 /* Null terminate modes */
1680 /* Advance past the comma, to the nick */
1683 /* Check the user actually exists */
1684 who = this->Instance->FindNick(usr);
1687 /* Did they get any modes? How many times? */
1688 strlcat(modestring, nm, MAXBUF);
1689 for (int k = 0; k < ntimes; k++)
1690 mode_users[modectr++] = strdup(usr);
1692 /* Free temporary buffer used for mode sequence */
1695 /* Check that the user's 'direction' is correct
1696 * based on the server sending the FJOIN. We must
1697 * check each nickname in turn, because the origin of
1698 * the FJOIN may be different to the origin of the nicks
1699 * in the command itself.
1701 TreeServer* route_back_again = BestRouteTo(who->server);
1702 if ((!route_back_again) || (route_back_again->GetSocket() != this))
1704 /* Oh dear oh dear. */
1705 Instance->Log(DEBUG,"Fake direction in FJOIN, user '%s'",who->nick);
1708 /* Finally, we can actually place the user into the channel.
1709 * We're sure its right. Final answer, phone a friend.
1711 chanrec::JoinUser(this->Instance, who, channel.c_str(), true, "");
1713 /* Have we already queued up MAXMODES modes with parameters
1714 * (+qaohv) ready to be sent to the server?
1716 if (modectr >= (MAXMODES-1))
1718 /* Only actually give the users any status if we lost
1719 * the FJOIN or drew (equal timestamps).
1720 * It isn't actually possible for ourTS to be > TS here,
1721 * only possible to actually have ourTS == TS, or
1722 * ourTS < TS, because if we lost, we already lowered
1723 * our TS above before we entered this loop. We only
1724 * check >= as a safety measure, in case someone stuffed
1725 * up. If someone DID stuff up, it was most likely me.
1726 * Note: I do not like baseball bats in the face...
1730 Instance->Log(DEBUG,"Our our channel newer than theirs, accepting their modes");
1731 this->Instance->SendMode((const char**)mode_users,modectr,who);
1733 /* Something stuffed up, and for some reason, the timestamp is
1734 * NOT lowered right now and should be. Lower it. Usually this
1735 * code won't be executed, doubtless someone will remove it some
1740 Instance->Log(DEFAULT,"Channel TS for %s changed from %lu to %lu",chan->name,ourTS,TS);
1746 /* Reset all this back to defaults, and
1747 * free any ram we have left allocated.
1749 strcpy(mode_users[1],"+");
1750 for (unsigned int f = 2; f < modectr; f++)
1751 free(mode_users[f]);
1757 /* Remember to free this */
1759 /* If we got here, there's a nick in FJOIN which doesnt exist on this server.
1760 * We don't try to process the nickname here (that WOULD cause a segfault because
1761 * we'd be playing with null pointers) however, we DO pass the nickname on, just
1762 * in case somehow we're desynched, so that other users which might be able to see
1763 * the nickname get their fair chance to process it.
1765 Instance->Log(SPARSE,"Warning! Invalid user in FJOIN to channel %s IGNORED", channel.c_str());
1771 /* there werent enough modes built up to flush it during FJOIN,
1772 * or, there are a number left over. flush them out.
1774 if ((modectr > 2) && (who) && (chan))
1778 /* Our channel is newer than theirs. Evil deeds must be afoot. */
1779 this->Instance->SendMode((const char**)mode_users,modectr,who);
1780 /* Yet again, we can't actually get a true value here, if everything else
1781 * is working as it should.
1785 Instance->Log(DEFAULT,"Channel TS for %s changed from %lu to %lu",chan->name,ourTS,TS);
1791 /* Free anything we have left to free */
1792 for (unsigned int f = 2; f < modectr; f++)
1793 free(mode_users[f]);
1796 /* All done. That wasnt so bad was it, you can wipe
1797 * the sweat from your forehead now. :-)
1803 bool IntroduceClient(std::string source, std::deque<std::string> ¶ms)
1805 if (params.size() < 8)
1807 if (params.size() > 8)
1809 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)");
1812 // NICK age nick host dhost ident +modes ip :gecos
1814 time_t age = atoi(params[0].c_str());
1816 /* This used to have a pretty craq'y loop doing the same thing,
1817 * now we just let the STL do the hard work (more efficiently)
1819 std::string::size_type pos_after_plus = params[5].find_first_not_of('+');
1820 if (pos_after_plus != std::string::npos)
1821 params[5] = params[5].substr(pos_after_plus);
1823 const char* tempnick = params[1].c_str();
1824 Instance->Log(DEBUG,"Introduce client %s!%s@%s",tempnick,params[4].c_str(),params[2].c_str());
1826 user_hash::iterator iter = this->Instance->clientlist.find(tempnick);
1828 if (iter != this->Instance->clientlist.end())
1831 Instance->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);
1832 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+tempnick+" :Nickname collision");
1833 userrec::QuitUser(this->Instance, iter->second, "Nickname collision");
1837 userrec* _new = new userrec(this->Instance);
1838 this->Instance->clientlist[tempnick] = _new;
1839 _new->SetFd(FD_MAGIC_NUMBER);
1840 strlcpy(_new->nick, tempnick,NICKMAX-1);
1841 strlcpy(_new->host, params[2].c_str(),63);
1842 strlcpy(_new->dhost, params[3].c_str(),63);
1843 _new->server = this->Instance->FindServerNamePtr(source.c_str());
1844 strlcpy(_new->ident, params[4].c_str(),IDENTMAX);
1845 strlcpy(_new->fullname, params[7].c_str(),MAXGECOS);
1846 _new->registered = REG_ALL;
1849 for (std::string::iterator v = params[5].begin(); v != params[5].end(); v++)
1850 _new->modes[(*v)-65] = 1;
1852 #ifdef SUPPORT_IP6LINKS
1853 if (params[6].find_first_of(":") != std::string::npos)
1854 _new->SetSockAddr(AF_INET6, params[6].c_str(), 0);
1857 _new->SetSockAddr(AF_INET, params[6].c_str(), 0);
1859 this->Instance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s!%s@%s [%s]",_new->server,_new->nick,_new->ident,_new->host, _new->GetIPString());
1861 params[7] = ":" + params[7];
1862 DoOneToAllButSender(source,"NICK",params,source);
1864 // Increment the Source Servers User Count..
1865 TreeServer* SourceServer = FindServer(source);
1868 Instance->Log(DEBUG,"Found source server of %s",_new->nick);
1869 SourceServer->AddUserCount();
1872 FOREACH_MOD(I_OnPostConnect,OnPostConnect(_new));
1877 /** Send one or more FJOINs for a channel of users.
1878 * If the length of a single line is more than 480-NICKMAX
1879 * in length, it is split over multiple lines.
1881 void SendFJoins(TreeServer* Current, chanrec* c)
1883 Instance->Log(DEBUG,"Sending FJOINs to other server for %s",c->name);
1885 std::string individual_halfops = std::string(":")+this->Instance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age);
1887 size_t dlen, curlen;
1888 dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age);
1890 char* ptr = list + dlen;
1892 CUList *ulist = c->GetUsers();
1893 std::vector<userrec*> specific_halfop;
1894 std::vector<userrec*> specific_voice;
1895 std::string modes = "";
1896 std::string params = "";
1898 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1900 // The first parameter gets a : before it
1901 size_t ptrlen = snprintf(ptr, MAXBUF, " %s%s,%s", !numusers ? ":" : "", c->GetAllPrefixChars(i->second), i->second->nick);
1908 if (curlen > (480-NICKMAX))
1910 this->WriteLine(list);
1911 dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age);
1919 this->WriteLine(list);
1921 for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++)
1924 params.append(b->data).append(" ");
1926 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" +"+c->ChanModes(true)+modes+" "+params);
1929 /** Send G, Q, Z and E lines */
1930 void SendXLines(TreeServer* Current)
1933 std::string n = this->Instance->Config->ServerName;
1934 const char* sn = n.c_str();
1936 /* Yes, these arent too nice looking, but they get the job done */
1937 for (std::vector<ZLine*>::iterator i = Instance->XLines->zlines.begin(); i != Instance->XLines->zlines.end(); i++, iterations++)
1939 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);
1940 this->WriteLine(data);
1942 for (std::vector<QLine*>::iterator i = Instance->XLines->qlines.begin(); i != Instance->XLines->qlines.end(); i++, iterations++)
1944 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);
1945 this->WriteLine(data);
1947 for (std::vector<GLine*>::iterator i = Instance->XLines->glines.begin(); i != Instance->XLines->glines.end(); i++, iterations++)
1949 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);
1950 this->WriteLine(data);
1952 for (std::vector<ELine*>::iterator i = Instance->XLines->elines.begin(); i != Instance->XLines->elines.end(); i++, iterations++)
1954 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);
1955 this->WriteLine(data);
1957 for (std::vector<ZLine*>::iterator i = Instance->XLines->pzlines.begin(); i != Instance->XLines->pzlines.end(); i++, iterations++)
1959 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);
1960 this->WriteLine(data);
1962 for (std::vector<QLine*>::iterator i = Instance->XLines->pqlines.begin(); i != Instance->XLines->pqlines.end(); i++, iterations++)
1964 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);
1965 this->WriteLine(data);
1967 for (std::vector<GLine*>::iterator i = Instance->XLines->pglines.begin(); i != Instance->XLines->pglines.end(); i++, iterations++)
1969 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);
1970 this->WriteLine(data);
1972 for (std::vector<ELine*>::iterator i = Instance->XLines->pelines.begin(); i != Instance->XLines->pelines.end(); i++, iterations++)
1974 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);
1975 this->WriteLine(data);
1979 /** Send channel modes and topics */
1980 void SendChannelModes(TreeServer* Current)
1983 std::deque<std::string> list;
1985 std::string n = this->Instance->Config->ServerName;
1986 const char* sn = n.c_str();
1987 for (chan_hash::iterator c = this->Instance->chanlist.begin(); c != this->Instance->chanlist.end(); c++, iterations++)
1989 SendFJoins(Current, c->second);
1990 if (*c->second->topic)
1992 snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s",sn,c->second->name,(unsigned long)c->second->topicset,c->second->setby,c->second->topic);
1993 this->WriteLine(data);
1995 FOREACH_MOD_I(this->Instance,I_OnSyncChannel,OnSyncChannel(c->second,(Module*)TreeProtocolModule,(void*)this));
1997 c->second->GetExtList(list);
1998 for (unsigned int j = 0; j < list.size(); j++)
2000 FOREACH_MOD_I(this->Instance,I_OnSyncChannelMetaData,OnSyncChannelMetaData(c->second,(Module*)TreeProtocolModule,(void*)this,list[j]));
2005 /** send all users and their oper state/modes */
2006 void SendUsers(TreeServer* Current)
2009 std::deque<std::string> list;
2011 for (user_hash::iterator u = this->Instance->clientlist.begin(); u != this->Instance->clientlist.end(); u++, iterations++)
2013 if (u->second->registered == REG_ALL)
2015 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);
2016 this->WriteLine(data);
2017 if (*u->second->oper)
2019 this->WriteLine(":"+std::string(u->second->nick)+" OPERTYPE "+std::string(u->second->oper));
2021 if (*u->second->awaymsg)
2023 this->WriteLine(":"+std::string(u->second->nick)+" AWAY :"+std::string(u->second->awaymsg));
2025 FOREACH_MOD_I(this->Instance,I_OnSyncUser,OnSyncUser(u->second,(Module*)TreeProtocolModule,(void*)this));
2027 u->second->GetExtList(list);
2028 for (unsigned int j = 0; j < list.size(); j++)
2030 FOREACH_MOD_I(this->Instance,I_OnSyncUserMetaData,OnSyncUserMetaData(u->second,(Module*)TreeProtocolModule,(void*)this,list[j]));
2036 /** This function is called when we want to send a netburst to a local
2037 * server. There is a set order we must do this, because for example
2038 * users require their servers to exist, and channels require their
2039 * users to exist. You get the idea.
2041 void DoBurst(TreeServer* s)
2043 std::string burst = "BURST "+ConvToStr(time(NULL));
2044 std::string endburst = "ENDBURST";
2045 // Because by the end of the netburst, it could be gone!
2046 std::string name = s->GetName();
2047 this->Instance->SNO->WriteToSnoMask('l',"Bursting to \2"+name+"\2.");
2048 this->WriteLine(burst);
2049 /* send our version string */
2050 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" VERSION :"+this->Instance->GetVersionString());
2051 /* Send server tree */
2052 this->SendServers(TreeRoot,s,1);
2053 /* Send users and their oper status */
2055 /* Send everything else (channel modes, xlines etc) */
2056 this->SendChannelModes(s);
2057 this->SendXLines(s);
2058 FOREACH_MOD_I(this->Instance,I_OnSyncOtherMetaData,OnSyncOtherMetaData((Module*)TreeProtocolModule,(void*)this));
2059 this->WriteLine(endburst);
2060 this->Instance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+name+"\2.");
2063 /** This function is called when we receive data from a remote
2064 * server. We buffer the data in a std::string (it doesnt stay
2065 * there for long), reading using InspSocket::Read() which can
2066 * read up to 16 kilobytes in one operation.
2068 * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES
2069 * THE SOCKET OBJECT FOR US.
2071 virtual bool OnDataReady()
2073 char* data = this->Read();
2074 /* Check that the data read is a valid pointer and it has some content */
2077 this->in_buffer.append(data);
2078 /* While there is at least one new line in the buffer,
2079 * do something useful (we hope!) with it.
2081 while (in_buffer.find("\n") != std::string::npos)
2083 std::string ret = in_buffer.substr(0,in_buffer.find("\n")-1);
2084 in_buffer = in_buffer.substr(in_buffer.find("\n")+1,in_buffer.length()-in_buffer.find("\n"));
2085 if (ret.find("\r") != std::string::npos)
2086 ret = in_buffer.substr(0,in_buffer.find("\r")-1);
2087 /* Process this one, abort if it
2088 * didnt return true.
2094 memset(result,0,1024);
2096 /* ERROR + CAPAB is still allowed unencryped */
2097 if ((ret.substr(0,7) != "ERROR :") && (ret.substr(0,6) != "CAPAB "))
2099 int nbytes = from64tobits(out, ret.c_str(), 1024);
2100 if ((nbytes > 0) && (nbytes < 1024))
2102 ctx_in->Decrypt(out, result, nbytes, 0);
2103 for (int t = 0; t < nbytes; t++)
2104 if (result[t] == '\7') result[t] = 0;
2109 if (!this->ProcessLine(ret))
2111 Instance->Log(DEBUG,"ProcessLine says no!");
2117 /* EAGAIN returns an empty but non-NULL string, so this
2118 * evaluates to TRUE for EAGAIN but to FALSE for EOF.
2120 return (data && !*data);
2123 int WriteLine(std::string line)
2125 Instance->Log(DEBUG,"OUT: %s",line.c_str());
2129 char result64[10240];
2130 if (this->keylength)
2132 // pad it to the key length
2133 int n = this->keylength - (line.length() % this->keylength);
2135 line.append(n,'\7');
2137 unsigned int ll = line.length();
2138 ctx_out->Encrypt(line.c_str(), result, ll, 0);
2139 to64frombits((unsigned char*)result64,(unsigned char*)result,ll);
2142 return this->Write(line + "\r\n");
2145 /* Handle ERROR command */
2146 bool Error(std::deque<std::string> ¶ms)
2148 if (params.size() < 1)
2150 this->Instance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(InboundServerName != "" ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
2151 /* we will return false to cause the socket to close. */
2155 /** remote MOTD. leet, huh? */
2156 bool Motd(std::string prefix, std::deque<std::string> ¶ms)
2158 if (params.size() > 0)
2160 if (this->Instance->MatchText(this->Instance->Config->ServerName, params[0]))
2162 /* It's for our server */
2163 string_list results;
2164 userrec* source = this->Instance->FindNick(prefix);
2168 std::deque<std::string> par;
2169 par.push_back(prefix);
2172 if (!Instance->Config->MOTD.size())
2174 par[1] = std::string("::")+Instance->Config->ServerName+" 422 "+source->nick+" :Message of the day file is missing.";
2175 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2179 par[1] = std::string("::")+Instance->Config->ServerName+" 375 "+source->nick+" :"+Instance->Config->ServerName+" message of the day";
2180 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2182 for (unsigned int i = 0; i < Instance->Config->MOTD.size(); i++)
2184 par[1] = std::string("::")+Instance->Config->ServerName+" 372 "+source->nick+" :- "+Instance->Config->MOTD[i];
2185 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2188 par[1] = std::string("::")+Instance->Config->ServerName+" 376 "+source->nick+" End of message of the day.";
2189 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2195 userrec* source = this->Instance->FindNick(prefix);
2197 DoOneToOne(prefix, "MOTD", params, params[0]);
2203 /** remote ADMIN. leet, huh? */
2204 bool Admin(std::string prefix, std::deque<std::string> ¶ms)
2206 if (params.size() > 0)
2208 if (this->Instance->MatchText(this->Instance->Config->ServerName, params[0]))
2210 /* It's for our server */
2211 string_list results;
2212 userrec* source = this->Instance->FindNick(prefix);
2216 std::deque<std::string> par;
2217 par.push_back(prefix);
2220 par[1] = std::string("::")+Instance->Config->ServerName+" 256 "+source->nick+" :Administrative info for "+Instance->Config->ServerName;
2221 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2223 par[1] = std::string("::")+Instance->Config->ServerName+" 257 "+source->nick+" :Name - "+Instance->Config->AdminName;
2224 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2226 par[1] = std::string("::")+Instance->Config->ServerName+" 258 "+source->nick+" :Nickname - "+Instance->Config->AdminNick;
2227 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2229 par[1] = std::string("::")+Instance->Config->ServerName+" 258 "+source->nick+" :E-Mail - "+Instance->Config->AdminEmail;
2230 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2236 userrec* source = this->Instance->FindNick(prefix);
2238 DoOneToOne(prefix, "ADMIN", params, params[0]);
2244 bool Stats(std::string prefix, std::deque<std::string> ¶ms)
2246 /* Get the reply to a STATS query if it matches this servername,
2247 * and send it back as a load of PUSH queries
2249 if (params.size() > 1)
2251 if (this->Instance->MatchText(this->Instance->Config->ServerName, params[1]))
2253 /* It's for our server */
2254 string_list results;
2255 userrec* source = this->Instance->FindNick(prefix);
2258 std::deque<std::string> par;
2259 par.push_back(prefix);
2261 DoStats(this->Instance, *(params[0].c_str()), source, results);
2262 for (size_t i = 0; i < results.size(); i++)
2264 par[1] = "::" + results[i];
2265 DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server);
2272 userrec* source = this->Instance->FindNick(prefix);
2274 DoOneToOne(prefix, "STATS", params, params[1]);
2281 /** Because the core won't let users or even SERVERS set +o,
2282 * we use the OPERTYPE command to do this.
2284 bool OperType(std::string prefix, std::deque<std::string> ¶ms)
2286 if (params.size() != 1)
2288 Instance->Log(DEBUG,"Received invalid oper type from %s",prefix.c_str());
2291 std::string opertype = params[0];
2292 userrec* u = this->Instance->FindNick(prefix);
2295 u->modes[UM_OPERATOR] = 1;
2296 strlcpy(u->oper,opertype.c_str(),NICKMAX-1);
2297 DoOneToAllButSender(u->nick,"OPERTYPE",params,u->server);
2302 /** Because Andy insists that services-compatible servers must
2303 * implement SVSNICK and SVSJOIN, that's exactly what we do :p
2305 bool ForceNick(std::string prefix, std::deque<std::string> ¶ms)
2307 if (params.size() < 3)
2310 userrec* u = this->Instance->FindNick(params[0]);
2314 DoOneToAllButSender(prefix,"SVSNICK",params,prefix);
2317 std::deque<std::string> par;
2318 par.push_back(params[1]);
2319 /* This is not required as one is sent in OnUserPostNick below
2321 //DoOneToMany(u->nick,"NICK",par);
2322 if (!u->ForceNickChange(params[1].c_str()))
2324 userrec::QuitUser(this->Instance, u, "Nickname collision");
2327 u->age = atoi(params[2].c_str());
2333 bool ServiceJoin(std::string prefix, std::deque<std::string> ¶ms)
2335 if (params.size() < 2)
2338 userrec* u = this->Instance->FindNick(params[0]);
2342 chanrec::JoinUser(this->Instance, u, params[1].c_str(), false);
2343 DoOneToAllButSender(prefix,"SVSJOIN",params,prefix);
2348 bool RemoteRehash(std::string prefix, std::deque<std::string> ¶ms)
2350 if (params.size() < 1)
2353 std::string servermask = params[0];
2355 if (this->Instance->MatchText(this->Instance->Config->ServerName,servermask))
2357 this->Instance->SNO->WriteToSnoMask('l',"Remote rehash initiated from server \002"+prefix+"\002.");
2358 this->Instance->RehashServer();
2359 ReadConfiguration(false);
2360 InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
2362 DoOneToAllButSender(prefix,"REHASH",params,prefix);
2366 bool RemoteKill(std::string prefix, std::deque<std::string> ¶ms)
2368 if (params.size() != 2)
2371 std::string nick = params[0];
2372 userrec* u = this->Instance->FindNick(prefix);
2373 userrec* who = this->Instance->FindNick(nick);
2377 /* Prepend kill source, if we don't have one */
2378 std::string sourceserv = prefix;
2381 sourceserv = u->server;
2383 if (*(params[1].c_str()) != '[')
2385 params[1] = "[" + sourceserv + "] Killed (" + params[1] +")";
2387 std::string reason = params[1];
2388 params[1] = ":" + params[1];
2389 DoOneToAllButSender(prefix,"KILL",params,sourceserv);
2390 who->Write(":%s KILL %s :%s (%s)", sourceserv.c_str(), who->nick, sourceserv.c_str(), reason.c_str());
2391 userrec::QuitUser(this->Instance,who,reason);
2396 bool LocalPong(std::string prefix, std::deque<std::string> ¶ms)
2398 if (params.size() < 1)
2401 if (params.size() == 1)
2403 TreeServer* ServerSource = FindServer(prefix);
2406 ServerSource->SetPingFlag();
2411 std::string forwardto = params[1];
2412 if (forwardto == this->Instance->Config->ServerName)
2415 * this is a PONG for us
2416 * if the prefix is a user, check theyre local, and if they are,
2417 * dump the PONG reply back to their fd. If its a server, do nowt.
2418 * Services might want to send these s->s, but we dont need to yet.
2420 userrec* u = this->Instance->FindNick(prefix);
2424 u->WriteServ("PONG %s %s",params[0].c_str(),params[1].c_str());
2429 // not for us, pass it on :)
2430 DoOneToOne(prefix,"PONG",params,forwardto);
2437 bool MetaData(std::string prefix, std::deque<std::string> ¶ms)
2439 if (params.size() < 3)
2442 TreeServer* ServerSource = FindServer(prefix);
2446 if (params[0] == "*")
2448 FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_OTHER,NULL,params[1],params[2]));
2450 else if (*(params[0].c_str()) == '#')
2452 chanrec* c = this->Instance->FindChan(params[0]);
2455 FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2]));
2458 else if (*(params[0].c_str()) != '#')
2460 userrec* u = this->Instance->FindNick(params[0]);
2463 FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_USER,u,params[1],params[2]));
2468 params[2] = ":" + params[2];
2469 DoOneToAllButSender(prefix,"METADATA",params,prefix);
2473 bool ServerVersion(std::string prefix, std::deque<std::string> ¶ms)
2475 if (params.size() < 1)
2478 TreeServer* ServerSource = FindServer(prefix);
2482 ServerSource->SetVersion(params[0]);
2484 params[0] = ":" + params[0];
2485 DoOneToAllButSender(prefix,"VERSION",params,prefix);
2489 bool ChangeHost(std::string prefix, std::deque<std::string> ¶ms)
2491 if (params.size() < 1)
2494 userrec* u = this->Instance->FindNick(prefix);
2498 u->ChangeDisplayedHost(params[0].c_str());
2499 DoOneToAllButSender(prefix,"FHOST",params,u->server);
2504 bool AddLine(std::string prefix, std::deque<std::string> ¶ms)
2506 if (params.size() < 6)
2509 bool propogate = false;
2511 switch (*(params[0].c_str()))
2514 propogate = Instance->XLines->add_zline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2515 Instance->XLines->zline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2518 propogate = Instance->XLines->add_qline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2519 Instance->XLines->qline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2522 propogate = Instance->XLines->add_eline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2523 Instance->XLines->eline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2526 propogate = Instance->XLines->add_gline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2527 Instance->XLines->gline_set_creation_time(params[1].c_str(), atoi(params[3].c_str()));
2530 propogate = Instance->XLines->add_kline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str());
2533 /* Just in case... */
2534 this->Instance->SNO->WriteToSnoMask('x',"\2WARNING\2: Invalid xline type '"+params[0]+"' sent by server "+prefix+", ignored!");
2539 /* Send it on its way */
2542 if (atoi(params[4].c_str()))
2544 this->Instance->SNO->WriteToSnoMask('x',"%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());
2548 this->Instance->SNO->WriteToSnoMask('x',"%s Added permenant %cLINE on %s (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),params[5].c_str());
2550 params[5] = ":" + params[5];
2551 DoOneToAllButSender(prefix,"ADDLINE",params,prefix);
2553 if (!this->bursting)
2555 Instance->Log(DEBUG,"Applying lines...");
2556 Instance->XLines->apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
2561 bool ChangeName(std::string prefix, std::deque<std::string> ¶ms)
2563 if (params.size() < 1)
2566 userrec* u = this->Instance->FindNick(prefix);
2570 u->ChangeName(params[0].c_str());
2571 params[0] = ":" + params[0];
2572 DoOneToAllButSender(prefix,"FNAME",params,u->server);
2577 bool Whois(std::string prefix, std::deque<std::string> ¶ms)
2579 if (params.size() < 1)
2582 Instance->Log(DEBUG,"In IDLE command");
2583 userrec* u = this->Instance->FindNick(prefix);
2587 Instance->Log(DEBUG,"USER EXISTS: %s",u->nick);
2588 // an incoming request
2589 if (params.size() == 1)
2591 userrec* x = this->Instance->FindNick(params[0]);
2592 if ((x) && (IS_LOCAL(x)))
2594 userrec* x = this->Instance->FindNick(params[0]);
2595 char signon[MAXBUF];
2598 snprintf(signon,MAXBUF,"%lu",(unsigned long)x->signon);
2599 snprintf(idle,MAXBUF,"%lu",(unsigned long)abs((x->idle_lastmsg)-time(NULL)));
2600 std::deque<std::string> par;
2601 par.push_back(prefix);
2602 par.push_back(signon);
2603 par.push_back(idle);
2604 // ours, we're done, pass it BACK
2605 DoOneToOne(params[0],"IDLE",par,u->server);
2609 // not ours pass it on
2610 DoOneToOne(prefix,"IDLE",params,x->server);
2613 else if (params.size() == 3)
2615 std::string who_did_the_whois = params[0];
2616 userrec* who_to_send_to = this->Instance->FindNick(who_did_the_whois);
2617 if ((who_to_send_to) && (IS_LOCAL(who_to_send_to)))
2619 // an incoming reply to a whois we sent out
2620 std::string nick_whoised = prefix;
2621 unsigned long signon = atoi(params[1].c_str());
2622 unsigned long idle = atoi(params[2].c_str());
2623 if ((who_to_send_to) && (IS_LOCAL(who_to_send_to)))
2624 do_whois(this->Instance,who_to_send_to,u,signon,idle,nick_whoised.c_str());
2628 // not ours, pass it on
2629 DoOneToOne(prefix,"IDLE",params,who_to_send_to->server);
2636 bool Push(std::string prefix, std::deque<std::string> ¶ms)
2638 if (params.size() < 2)
2641 userrec* u = this->Instance->FindNick(params[0]);
2648 u->Write(params[1]);
2652 // continue the raw onwards
2653 params[1] = ":" + params[1];
2654 DoOneToOne(prefix,"PUSH",params,u->server);
2659 bool Time(std::string prefix, std::deque<std::string> ¶ms)
2661 // :source.server TIME remote.server sendernick
2662 // :remote.server TIME source.server sendernick TS
2663 if (params.size() == 2)
2665 // someone querying our time?
2666 if (this->Instance->Config->ServerName == params[0])
2668 userrec* u = this->Instance->FindNick(params[1]);
2672 snprintf(curtime,256,"%lu",(unsigned long)time(NULL));
2673 params.push_back(curtime);
2675 DoOneToOne(this->Instance->Config->ServerName,"TIME",params,params[0]);
2680 // not us, pass it on
2681 userrec* u = this->Instance->FindNick(params[1]);
2683 DoOneToOne(prefix,"TIME",params,params[0]);
2686 else if (params.size() == 3)
2688 // a response to a previous TIME
2689 userrec* u = this->Instance->FindNick(params[1]);
2690 if ((u) && (IS_LOCAL(u)))
2692 time_t rawtime = atol(params[2].c_str());
2693 struct tm * timeinfo;
2694 timeinfo = localtime(&rawtime);
2696 snprintf(tms,26,"%s",asctime(timeinfo));
2698 u->WriteServ("391 %s %s :%s",u->nick,prefix.c_str(),tms);
2703 DoOneToOne(prefix,"TIME",params,u->server);
2709 bool LocalPing(std::string prefix, std::deque<std::string> ¶ms)
2711 if (params.size() < 1)
2714 if (params.size() == 1)
2716 std::string stufftobounce = params[0];
2717 this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" PONG "+stufftobounce);
2722 std::string forwardto = params[1];
2723 if (forwardto == this->Instance->Config->ServerName)
2725 // this is a ping for us, send back PONG to the requesting server
2726 params[1] = params[0];
2727 params[0] = forwardto;
2728 DoOneToOne(forwardto,"PONG",params,params[1]);
2732 // not for us, pass it on :)
2733 DoOneToOne(prefix,"PING",params,forwardto);
2739 bool RemoveStatus(std::string prefix, std::deque<std::string> ¶ms)
2741 if (params.size() < 1)
2744 chanrec* c = Instance->FindChan(params[0]);
2748 irc::modestacker modestack(false);
2749 CUList *ulist = c->GetUsers();
2751 std::deque<std::string> stackresult;
2754 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
2756 std::string modesequence = Instance->Modes->ModeString(i->second, c);
2757 if (modesequence.length())
2759 ServerInstance->Log(DEBUG,"Mode sequence = '%s'",modesequence.c_str());
2760 irc::spacesepstream sep(modesequence);
2761 std::string modeletters = sep.GetToken();
2762 ServerInstance->Log(DEBUG,"Mode letters = '%s'",modeletters.c_str());
2764 while (!modeletters.empty())
2766 char mletter = *(modeletters.begin());
2767 modestack.Push(mletter,sep.GetToken());
2768 ServerInstance->Log(DEBUG,"Push letter = '%c'",mletter);
2769 modeletters.erase(modeletters.begin());
2770 ServerInstance->Log(DEBUG,"Mode letters = '%s'",modeletters.c_str());
2775 while (modestack.GetStackedLine(stackresult))
2777 ServerInstance->Log(DEBUG,"Stacked line size %d",stackresult.size());
2778 stackresult.push_front(ConvToStr(c->age));
2779 stackresult.push_front(c->name);
2780 DoOneToMany(Instance->Config->ServerName, "FMODE", stackresult);
2781 stackresult.erase(stackresult.begin() + 1);
2782 ServerInstance->Log(DEBUG,"Stacked items:");
2783 for (size_t z = 0; z < stackresult.size(); z++)
2785 y[z] = stackresult[z].c_str();
2786 ServerInstance->Log(DEBUG,"\tstackresult[%d]='%s'",z,stackresult[z].c_str());
2788 userrec* n = new userrec(Instance);
2789 n->SetFd(FD_MAGIC_NUMBER);
2790 Instance->SendMode(y, stackresult.size(), n);
2797 bool RemoteServer(std::string prefix, std::deque<std::string> ¶ms)
2799 if (params.size() < 4)
2802 std::string servername = params[0];
2803 std::string password = params[1];
2804 // hopcount is not used for a remote server, we calculate this ourselves
2805 std::string description = params[3];
2806 TreeServer* ParentOfThis = FindServer(prefix);
2810 this->WriteLine("ERROR :Protocol error - Introduced remote server from unknown server "+prefix);
2813 TreeServer* CheckDupe = FindServer(servername);
2816 this->WriteLine("ERROR :Server "+servername+" already exists!");
2817 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+servername+"\2 denied, already exists");
2820 TreeServer* Node = new TreeServer(this->Instance,servername,description,ParentOfThis,NULL);
2821 ParentOfThis->AddChild(Node);
2822 params[3] = ":" + params[3];
2823 DoOneToAllButSender(prefix,"SERVER",params,prefix);
2824 this->Instance->SNO->WriteToSnoMask('l',"Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")");
2828 bool Outbound_Reply_Server(std::deque<std::string> ¶ms)
2830 if (params.size() < 4)
2833 irc::string servername = params[0].c_str();
2834 std::string sname = params[0];
2835 std::string password = params[1];
2836 int hops = atoi(params[2].c_str());
2840 this->WriteLine("ERROR :Server too far away for authentication");
2841 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
2844 std::string description = params[3];
2845 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2847 if ((x->Name == servername) && (x->RecvPass == password))
2849 TreeServer* CheckDupe = FindServer(sname);
2852 this->WriteLine("ERROR :Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
2853 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
2856 // Begin the sync here. this kickstarts the
2857 // other side, waiting in WAIT_AUTH_2 state,
2858 // into starting their burst, as it shows
2859 // that we're happy.
2860 this->LinkState = CONNECTED;
2861 // we should add the details of this server now
2862 // to the servers tree, as a child of the root
2864 TreeServer* Node = new TreeServer(this->Instance,sname,description,TreeRoot,this);
2865 TreeRoot->AddChild(Node);
2866 params[3] = ":" + params[3];
2867 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,sname);
2868 this->bursting = true;
2869 this->DoBurst(Node);
2873 this->WriteLine("ERROR :Invalid credentials");
2874 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials");
2878 bool Inbound_Server(std::deque<std::string> ¶ms)
2880 if (params.size() < 4)
2883 irc::string servername = params[0].c_str();
2884 std::string sname = params[0];
2885 std::string password = params[1];
2886 int hops = atoi(params[2].c_str());
2890 this->WriteLine("ERROR :Server too far away for authentication");
2891 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
2894 std::string description = params[3];
2895 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2897 if ((x->Name == servername) && (x->RecvPass == password))
2899 TreeServer* CheckDupe = FindServer(sname);
2902 this->WriteLine("ERROR :Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
2903 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
2906 /* If the config says this link is encrypted, but the remote side
2907 * hasnt bothered to send the AES command before SERVER, then we
2908 * boot them off as we MUST have this connection encrypted.
2910 if ((x->EncryptionKey != "") && (!this->ctx_in))
2912 this->WriteLine("ERROR :This link requires AES encryption to be enabled. Plaintext connection refused.");
2913 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, remote server did not enable AES.");
2916 this->Instance->SNO->WriteToSnoMask('l',"Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] ("+description+")");
2917 this->InboundServerName = sname;
2918 this->InboundDescription = description;
2919 // this is good. Send our details: Our server name and description and hopcount of 0,
2920 // along with the sendpass from this block.
2921 this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+x->SendPass+" 0 :"+this->Instance->Config->ServerDesc);
2922 // move to the next state, we are now waiting for THEM.
2923 this->LinkState = WAIT_AUTH_2;
2927 this->WriteLine("ERROR :Invalid credentials");
2928 this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials");
2932 void Split(std::string line, std::deque<std::string> &n)
2935 irc::tokenstream tokens(line);
2937 while ((param = tokens.GetToken()) != "")
2942 bool ProcessLine(std::string line)
2944 std::deque<std::string> params;
2945 irc::string command;
2951 line = line.substr(0, line.find_first_of("\r\n"));
2953 Instance->Log(DEBUG,"IN: %s", line.c_str());
2955 this->Split(line.c_str(),params);
2957 if ((params[0][0] == ':') && (params.size() > 1))
2959 prefix = params[0].substr(1);
2963 command = params[0].c_str();
2966 if ((!this->ctx_in) && (command == "AES"))
2968 std::string sserv = params[0];
2969 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
2971 if ((x->EncryptionKey != "") && (x->Name == sserv))
2973 this->InitAES(x->EncryptionKey,sserv);
2979 else if ((this->ctx_in) && (command == "AES"))
2981 this->Instance->SNO->WriteToSnoMask('l',"\2AES\2: Encryption already enabled on this connection yet %s is trying to enable it twice!",params[0].c_str());
2984 switch (this->LinkState)
2989 // Waiting for SERVER command from remote server. Server initiating
2990 // the connection sends the first SERVER command, listening server
2991 // replies with theirs if its happy, then if the initiator is happy,
2992 // it starts to send its net sync, which starts the merge, otherwise
2993 // it sends an ERROR.
2994 if (command == "PASS")
2996 /* Silently ignored */
2998 else if (command == "SERVER")
3000 return this->Inbound_Server(params);
3002 else if (command == "ERROR")
3004 return this->Error(params);
3006 else if (command == "USER")
3008 this->WriteLine("ERROR :Client connections to this port are prohibited.");
3011 else if (command == "CAPAB")
3013 return this->Capab(params);
3015 else if ((command == "U") || (command == "S"))
3017 this->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!");
3022 std::string error("ERROR :Invalid command in negotiation phase: ");
3023 error.append(command.c_str());
3024 this->WriteLine(error);
3029 // Waiting for start of other side's netmerge to say they liked our
3031 if (command == "SERVER")
3033 // cant do this, they sent it to us in the WAIT_AUTH_1 state!
3037 else if ((command == "U") || (command == "S"))
3039 this->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!");
3042 else if (command == "BURST")
3046 /* If a time stamp is provided, try and check syncronization */
3047 time_t THEM = atoi(params[0].c_str());
3048 long delta = THEM-time(NULL);
3049 if ((delta < -600) || (delta > 600))
3051 this->Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than ten minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta));
3052 this->WriteLine("ERROR :Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than ten minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!");
3055 else if ((delta < -60) || (delta > 60))
3057 this->Instance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds, please consider synching your clocks.",abs(delta));
3060 this->LinkState = CONNECTED;
3061 Node = new TreeServer(this->Instance,InboundServerName,InboundDescription,TreeRoot,this);
3062 TreeRoot->AddChild(Node);
3064 params.push_back(InboundServerName);
3065 params.push_back("*");
3066 params.push_back("1");
3067 params.push_back(":"+InboundDescription);
3068 DoOneToAllButSender(TreeRoot->GetName(),"SERVER",params,InboundServerName);
3069 this->bursting = true;
3070 this->DoBurst(Node);
3072 else if (command == "ERROR")
3074 return this->Error(params);
3076 else if (command == "CAPAB")
3078 return this->Capab(params);
3083 this->WriteLine("ERROR :Internal error -- listening socket accepted its own descriptor!!!");
3087 if (command == "SERVER")
3089 // another server we connected to, which was in WAIT_AUTH_1 state,
3090 // has just sent us their credentials. If we get this far, theyre
3091 // happy with OUR credentials, and they are now in WAIT_AUTH_2 state.
3092 // if we're happy with this, we should send our netburst which
3093 // kickstarts the merge.
3094 return this->Outbound_Reply_Server(params);
3096 else if (command == "ERROR")
3098 return this->Error(params);
3102 // This is the 'authenticated' state, when all passwords
3103 // have been exchanged and anything past this point is taken
3108 std::string direction = prefix;
3109 userrec* t = this->Instance->FindNick(prefix);
3112 direction = t->server;
3114 TreeServer* route_back_again = BestRouteTo(direction);
3115 if ((!route_back_again) || (route_back_again->GetSocket() != this))
3117 if (route_back_again)
3118 Instance->Log(DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
3123 * When there is activity on the socket, reset the ping counter so
3124 * that we're not wasting bandwidth pinging an active server.
3126 route_back_again->SetNextPingTime(time(NULL) + 60);
3127 route_back_again->SetPingFlag();
3130 if (command == "SVSMODE")
3132 /* Services expects us to implement
3133 * SVSMODE. In inspircd its the same as
3138 std::string target = "";
3139 /* Yes, know, this is a mess. Its reasonably fast though as we're
3140 * working with std::string here.
3142 if ((command == "NICK") && (params.size() > 1))
3144 return this->IntroduceClient(prefix,params);
3146 else if (command == "FJOIN")
3148 return this->ForceJoin(prefix,params);
3150 else if (command == "STATS")
3152 return this->Stats(prefix, params);
3154 else if (command == "MOTD")
3156 return this->Motd(prefix, params);
3158 else if (command == "ADMIN")
3160 return this->Admin(prefix, params);
3162 else if (command == "SERVER")
3164 return this->RemoteServer(prefix,params);
3166 else if (command == "ERROR")
3168 return this->Error(params);
3170 else if (command == "OPERTYPE")
3172 return this->OperType(prefix,params);
3174 else if (command == "FMODE")
3176 return this->ForceMode(prefix,params);
3178 else if (command == "KILL")
3180 return this->RemoteKill(prefix,params);
3182 else if (command == "FTOPIC")
3184 return this->ForceTopic(prefix,params);
3186 else if (command == "REHASH")
3188 return this->RemoteRehash(prefix,params);
3190 else if (command == "METADATA")
3192 return this->MetaData(prefix,params);
3194 else if (command == "REMSTATUS")
3196 return this->RemoveStatus(prefix,params);
3198 else if (command == "PING")
3201 * We just got a ping from a server that's bursting.
3202 * This can't be right, so set them to not bursting, and
3203 * apply their lines.
3207 this->bursting = false;
3208 Instance->XLines->apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
3212 prefix = this->GetName();
3214 return this->LocalPing(prefix,params);
3216 else if (command == "PONG")
3219 * We just got a pong from a server that's bursting.
3220 * This can't be right, so set them to not bursting, and
3221 * apply their lines.
3225 this->bursting = false;
3226 Instance->XLines->apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
3230 prefix = this->GetName();
3232 return this->LocalPong(prefix,params);
3234 else if (command == "VERSION")
3236 return this->ServerVersion(prefix,params);
3238 else if (command == "FHOST")
3240 return this->ChangeHost(prefix,params);
3242 else if (command == "FNAME")
3244 return this->ChangeName(prefix,params);
3246 else if (command == "ADDLINE")
3248 return this->AddLine(prefix,params);
3250 else if (command == "SVSNICK")
3254 prefix = this->GetName();
3256 return this->ForceNick(prefix,params);
3258 else if (command == "IDLE")
3260 return this->Whois(prefix,params);
3262 else if (command == "PUSH")
3264 return this->Push(prefix,params);
3266 else if (command == "TIME")
3268 return this->Time(prefix,params);
3270 else if ((command == "KICK") && (IsServer(prefix)))
3272 std::string sourceserv = this->myhost;
3273 if (params.size() == 3)
3275 userrec* user = this->Instance->FindNick(params[1]);
3276 chanrec* chan = this->Instance->FindChan(params[0]);
3279 if (!chan->ServerKickUser(user, params[2].c_str(), false))
3280 /* Yikes, the channels gone! */
3284 if (this->InboundServerName != "")
3286 sourceserv = this->InboundServerName;
3288 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
3290 else if (command == "SVSJOIN")
3294 prefix = this->GetName();
3296 return this->ServiceJoin(prefix,params);
3298 else if (command == "SQUIT")
3300 if (params.size() == 2)
3302 this->Squit(FindServer(params[0]),params[1]);
3306 else if (command == "ENDBURST")
3308 this->bursting = false;
3309 Instance->XLines->apply_lines(APPLY_ZLINES|APPLY_GLINES|APPLY_QLINES);
3310 std::string sourceserv = this->myhost;
3311 if (this->InboundServerName != "")
3313 sourceserv = this->InboundServerName;
3315 this->Instance->SNO->WriteToSnoMask('l',"Received end of netburst from \2%s\2",sourceserv.c_str());
3320 // not a special inter-server command.
3321 // Emulate the actual user doing the command,
3322 // this saves us having a huge ugly parser.
3323 userrec* who = this->Instance->FindNick(prefix);
3324 std::string sourceserv = this->myhost;
3325 if (this->InboundServerName != "")
3327 sourceserv = this->InboundServerName;
3331 if ((command == "NICK") && (params.size() > 0))
3333 /* On nick messages, check that the nick doesnt
3334 * already exist here. If it does, kill their copy,
3337 userrec* x = this->Instance->FindNick(params[0]);
3338 if ((x) && (x != who))
3340 std::deque<std::string> p;
3341 p.push_back(params[0]);
3342 p.push_back("Nickname collision ("+prefix+" -> "+params[0]+")");
3343 DoOneToMany(this->Instance->Config->ServerName,"KILL",p);
3345 p.push_back(prefix);
3346 p.push_back("Nickname collision");
3347 DoOneToMany(this->Instance->Config->ServerName,"KILL",p);
3348 userrec::QuitUser(this->Instance,x,"Nickname collision ("+prefix+" -> "+params[0]+")");
3349 userrec* y = this->Instance->FindNick(prefix);
3352 userrec::QuitUser(this->Instance,y,"Nickname collision");
3354 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
3358 target = who->server;
3359 const char* strparams[127];
3360 for (unsigned int q = 0; q < params.size(); q++)
3362 strparams[q] = params[q].c_str();
3364 switch (this->Instance->CallCommandHandler(command.c_str(), strparams, params.size(), who))
3367 this->WriteLine("ERROR :Unrecognised command '"+std::string(command.c_str())+"' -- possibly loaded mismatched modules");
3374 /* CMD_SUCCESS and CMD_USER_DELETED fall through here */
3380 // its not a user. Its either a server, or somethings screwed up.
3381 if (IsServer(prefix))
3383 target = this->Instance->Config->ServerName;
3387 Instance->Log(DEBUG,"Command with unknown origin '%s'",prefix.c_str());
3391 return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
3400 virtual std::string GetName()
3402 std::string sourceserv = this->myhost;
3403 if (this->InboundServerName != "")
3405 sourceserv = this->InboundServerName;
3410 virtual void OnTimeout()
3412 if (this->LinkState == CONNECTING)
3414 this->Instance->SNO->WriteToSnoMask('l',"CONNECT: Connection to \002"+myhost+"\002 timed out.");
3415 Link* MyLink = FindLink(myhost);
3421 virtual void OnClose()
3423 // Connection closed.
3424 // If the connection is fully up (state CONNECTED)
3425 // then propogate a netsplit to all peers.
3426 std::string quitserver = this->myhost;
3427 if (this->InboundServerName != "")
3429 quitserver = this->InboundServerName;
3431 TreeServer* s = FindServer(quitserver);
3434 Squit(s,"Remote host closed the connection");
3436 this->Instance->SNO->WriteToSnoMask('l',"Connection to '\2%s\2' failed.",quitserver.c_str());
3439 virtual int OnIncomingConnection(int newsock, char* ip)
3441 /* To prevent anyone from attempting to flood opers/DDoS by connecting to the server port,
3442 * or discovering if this port is the server port, we don't allow connections from any
3443 * IPs for which we don't have a link block.
3447 found = (std::find(ValidIPs.begin(), ValidIPs.end(), ip) != ValidIPs.end());
3450 for (vector<std::string>::iterator i = ValidIPs.begin(); i != ValidIPs.end(); i++)
3451 if (MatchCIDR(ip, (*i).c_str()))
3456 this->Instance->SNO->WriteToSnoMask('l',"Server connection from %s denied (no link blocks with that IP address)", ip);
3461 TreeSocket* s = new TreeSocket(this->Instance, newsock, ip);
3462 s = s; /* Whinge whinge whinge, thats all GCC ever does. */
3467 /** This class is used to resolve server hostnames during /connect and autoconnect.
3468 * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this
3469 * resolver step first ourselves if we need it. This is totally nonblocking, and will
3470 * callback to OnLookupComplete or OnError when completed. Once it has completed we
3471 * will have an IP address which we can then use to continue our connection.
3473 class ServernameResolver : public Resolver
3476 /** A copy of the Link tag info for what we're connecting to.
3477 * We take a copy, rather than using a pointer, just in case the
3478 * admin takes the tag away and rehashes while the domain is resolving.
3482 ServernameResolver(InspIRCd* Instance, const std::string &hostname, Link x) : Resolver(Instance, hostname, DNS_QUERY_FORWARD), MyLink(x)
3484 /* Nothing in here, folks */
3487 void OnLookupComplete(const std::string &result)
3489 /* Initiate the connection, now that we have an IP to use.
3490 * Passing a hostname directly to InspSocket causes it to
3491 * just bail and set its FD to -1.
3493 TreeServer* CheckDupe = FindServer(MyLink.Name.c_str());
3494 if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
3496 TreeSocket* newsocket = new TreeSocket(ServerInstance, result,MyLink.Port,false,10,MyLink.Name.c_str());
3497 if (newsocket->GetFd() > -1)
3503 /* Something barfed, show the opers */
3504 ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno));
3506 DoFailOver(&MyLink);
3511 void OnError(ResolverError e, const std::string &errormessage)
3514 ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str());
3515 DoFailOver(&MyLink);
3519 /** Handle resolving of server IPs for the cache
3521 class SecurityIPResolver : public Resolver
3526 SecurityIPResolver(InspIRCd* Instance, const std::string &hostname, Link x) : Resolver(Instance, hostname, DNS_QUERY_FORWARD), MyLink(x)
3530 void OnLookupComplete(const std::string &result)
3532 ServerInstance->Log(DEBUG,"Security IP cache: Adding IP address '%s' for Link '%s'",result.c_str(),MyLink.Name.c_str());
3533 ValidIPs.push_back(result);
3536 void OnError(ResolverError e, const std::string &errormessage)
3538 ServerInstance->Log(DEBUG,"Could not resolve IP associated with Link '%s': %s",MyLink.Name.c_str(),errormessage.c_str());
3542 void AddThisServer(TreeServer* server, std::deque<TreeServer*> &list)
3544 for (unsigned int c = 0; c < list.size(); c++)
3546 if (list[c] == server)
3551 list.push_back(server);
3554 /** returns a list of DIRECT servernames for a specific channel */
3555 void GetListOfServersForChannel(chanrec* c, std::deque<TreeServer*> &list)
3557 CUList *ulist = c->GetUsers();
3558 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
3560 if (i->second->GetFd() < 0)
3562 TreeServer* best = BestRouteTo(i->second->server);
3564 AddThisServer(best,list);
3570 bool DoOneToAllButSenderRaw(std::string data, std::string omit, std::string prefix, irc::string command, std::deque<std::string> ¶ms)
3572 TreeServer* omitroute = BestRouteTo(omit);
3573 if ((command == "NOTICE") || (command == "PRIVMSG"))
3575 if (params.size() >= 2)
3578 if ((*(params[0].c_str()) == '@') || (*(params[0].c_str()) == '%') || (*(params[0].c_str()) == '+'))
3580 params[0] = params[0].substr(1, params[0].length()-1);
3582 if ((*(params[0].c_str()) != '#') && (*(params[0].c_str()) != '$'))
3584 // special routing for private messages/notices
3585 userrec* d = ServerInstance->FindNick(params[0]);
3588 std::deque<std::string> par;
3589 par.push_back(params[0]);
3590 par.push_back(":"+params[1]);
3591 DoOneToOne(prefix,command.c_str(),par,d->server);
3595 else if (*(params[0].c_str()) == '$')
3597 std::deque<std::string> par;
3598 par.push_back(params[0]);
3599 par.push_back(":"+params[1]);
3600 DoOneToAllButSender(prefix,command.c_str(),par,omitroute->GetName());
3605 ServerInstance->Log(DEBUG,"Channel privmsg going to chan %s",params[0].c_str());
3606 chanrec* c = ServerInstance->FindChan(params[0]);
3609 std::deque<TreeServer*> list;
3610 GetListOfServersForChannel(c,list);
3611 ServerInstance->Log(DEBUG,"Got a list of %d servers",list.size());
3612 unsigned int lsize = list.size();
3613 for (unsigned int i = 0; i < lsize; i++)
3615 TreeSocket* Sock = list[i]->GetSocket();
3616 if ((Sock) && (list[i]->GetName() != omit) && (omitroute != list[i]))
3618 ServerInstance->Log(DEBUG,"Writing privmsg to server %s",list[i]->GetName().c_str());
3619 Sock->WriteLine(data);
3627 unsigned int items = TreeRoot->ChildCount();
3628 for (unsigned int x = 0; x < items; x++)
3630 TreeServer* Route = TreeRoot->GetChild(x);
3631 if ((Route) && (Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
3633 TreeSocket* Sock = Route->GetSocket();
3635 Sock->WriteLine(data);
3641 bool DoOneToAllButSender(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string omit)
3643 TreeServer* omitroute = BestRouteTo(omit);
3644 std::string FullLine = ":" + prefix + " " + command;
3645 unsigned int words = params.size();
3646 for (unsigned int x = 0; x < words; x++)
3648 FullLine = FullLine + " " + params[x];
3650 unsigned int items = TreeRoot->ChildCount();
3651 for (unsigned int x = 0; x < items; x++)
3653 TreeServer* Route = TreeRoot->GetChild(x);
3654 // Send the line IF:
3655 // The route has a socket (its a direct connection)
3656 // The route isnt the one to be omitted
3657 // The route isnt the path to the one to be omitted
3658 if ((Route) && (Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route))
3660 TreeSocket* Sock = Route->GetSocket();
3662 Sock->WriteLine(FullLine);
3668 bool DoOneToMany(std::string prefix, std::string command, std::deque<std::string> ¶ms)
3670 std::string FullLine = ":" + prefix + " " + command;
3671 unsigned int words = params.size();
3672 for (unsigned int x = 0; x < words; x++)
3674 FullLine = FullLine + " " + params[x];
3676 unsigned int items = TreeRoot->ChildCount();
3677 for (unsigned int x = 0; x < items; x++)
3679 TreeServer* Route = TreeRoot->GetChild(x);
3680 if (Route && Route->GetSocket())
3682 TreeSocket* Sock = Route->GetSocket();
3684 Sock->WriteLine(FullLine);
3690 bool DoOneToMany(const char* prefix, const char* command, std::deque<std::string> ¶ms)
3692 std::string spfx = prefix;
3693 std::string scmd = command;
3694 return DoOneToMany(spfx, scmd, params);
3697 bool DoOneToAllButSender(const char* prefix, const char* command, std::deque<std::string> ¶ms, std::string omit)
3699 std::string spfx = prefix;
3700 std::string scmd = command;
3701 return DoOneToAllButSender(spfx, scmd, params, omit);
3704 bool DoOneToOne(std::string prefix, std::string command, std::deque<std::string> ¶ms, std::string target)
3706 TreeServer* Route = BestRouteTo(target);
3709 std::string FullLine = ":" + prefix + " " + command;
3710 unsigned int words = params.size();
3711 for (unsigned int x = 0; x < words; x++)
3713 FullLine = FullLine + " " + params[x];
3715 if (Route && Route->GetSocket())
3717 TreeSocket* Sock = Route->GetSocket();
3719 Sock->WriteLine(FullLine);
3729 std::vector<TreeSocket*> Bindings;
3731 void ReadConfiguration(bool rebind)
3733 Conf = new ConfigReader(ServerInstance);
3736 for (int j =0; j < Conf->Enumerate("bind"); j++)
3738 std::string Type = Conf->ReadValue("bind","type",j);
3739 std::string IP = Conf->ReadValue("bind","address",j);
3740 int Port = Conf->ReadInteger("bind","port",j,true);
3741 if (Type == "servers")
3743 ServerInstance->Log(DEBUG,"m_spanningtree: Binding server port %s:%d", IP.c_str(), Port);
3748 TreeSocket* listener = new TreeSocket(ServerInstance, IP.c_str(),Port,true,10);
3749 if (listener->GetState() == I_LISTENING)
3751 ServerInstance->Log(DEFAULT,"m_spanningtree: Binding server port %s:%d successful!", IP.c_str(), Port);
3752 Bindings.push_back(listener);
3756 ServerInstance->Log(DEFAULT,"m_spanningtree: Warning: Failed to bind server port %d",Port);
3760 ServerInstance->Log(DEBUG,"Done with this binding");
3764 FlatLinks = Conf->ReadFlag("options","flatlinks",0);
3765 HideULines = Conf->ReadFlag("options","hideulines",0);
3766 AnnounceTSChange = Conf->ReadFlag("options","announcets",0);
3769 for (int j =0; j < Conf->Enumerate("link"); j++)
3772 std::string Allow = Conf->ReadValue("link","allowmask",j);
3773 L.Name = (Conf->ReadValue("link","name",j)).c_str();
3774 L.IPAddr = Conf->ReadValue("link","ipaddr",j);
3775 L.FailOver = Conf->ReadValue("link","failover",j).c_str();
3776 L.Port = Conf->ReadInteger("link","port",j,true);
3777 L.SendPass = Conf->ReadValue("link","sendpass",j);
3778 L.RecvPass = Conf->ReadValue("link","recvpass",j);
3779 L.AutoConnect = Conf->ReadInteger("link","autoconnect",j,true);
3780 L.EncryptionKey = Conf->ReadValue("link","encryptionkey",j);
3781 L.HiddenFromStats = Conf->ReadFlag("link","hidden",j);
3782 L.NextConnectTime = time(NULL) + L.AutoConnect;
3783 /* Bugfix by brain, do not allow people to enter bad configurations */
3784 if (L.Name != ServerInstance->Config->ServerName)
3786 if ((L.IPAddr != "") && (L.RecvPass != "") && (L.SendPass != "") && (L.Name != "") && (L.Port))
3788 ValidIPs.push_back(L.IPAddr);
3791 ValidIPs.push_back(Allow);
3793 /* Needs resolving */
3795 if (insp_aton(L.IPAddr.c_str(), &binip) < 1)
3799 SecurityIPResolver* sr = new SecurityIPResolver(ServerInstance, L.IPAddr, L);
3800 ServerInstance->AddResolver(sr);
3802 catch (ModuleException& e)
3804 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
3808 LinkBlocks.push_back(L);
3809 ServerInstance->Log(DEBUG,"m_spanningtree: Read server %s with host %s:%d",L.Name.c_str(),L.IPAddr.c_str(),L.Port);
3815 ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', IP address not defined!",L.Name.c_str());
3817 else if (L.RecvPass == "")
3819 ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', recvpass not defined!",L.Name.c_str());
3821 else if (L.SendPass == "")
3823 ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', sendpass not defined!",L.Name.c_str());
3825 else if (L.Name == "")
3827 ServerInstance->Log(DEFAULT,"Invalid configuration, link tag without a name!");
3831 ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', no port specified!",L.Name.c_str());
3837 ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', link tag has the same server name as the local server!",L.Name.c_str());
3844 class ModuleSpanningTree : public Module
3848 unsigned int max_local;
3849 unsigned int max_global;
3850 cmd_rconnect* command_rconnect;
3854 ModuleSpanningTree(InspIRCd* Me)
3855 : Module::Module(Me), max_local(0), max_global(0)
3860 ::ServerInstance = Me;
3862 // Create the root of the tree
3863 TreeRoot = new TreeServer(ServerInstance, ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc);
3865 ReadConfiguration(true);
3867 command_rconnect = new cmd_rconnect(ServerInstance, this);
3868 ServerInstance->AddCommand(command_rconnect);
3871 void ShowLinks(TreeServer* Current, userrec* user, int hops)
3873 std::string Parent = TreeRoot->GetName();
3874 if (Current->GetParent())
3876 Parent = Current->GetParent()->GetName();
3878 for (unsigned int q = 0; q < Current->ChildCount(); q++)
3880 if ((HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str())))
3884 ShowLinks(Current->GetChild(q),user,hops+1);
3889 ShowLinks(Current->GetChild(q),user,hops+1);
3892 /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
3893 if ((HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!*user->oper))
3895 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());
3898 int CountLocalServs()
3900 return TreeRoot->ChildCount();
3905 return serverlist.size();
3908 void HandleLinks(const char** parameters, int pcnt, userrec* user)
3910 ShowLinks(TreeRoot,user,0);
3911 user->WriteServ("365 %s * :End of /LINKS list.",user->nick);
3915 void HandleLusers(const char** parameters, int pcnt, userrec* user)
3917 unsigned int n_users = ServerInstance->UserCount();
3919 /* Only update these when someone wants to see them, more efficient */
3920 if ((unsigned int)ServerInstance->LocalUserCount() > max_local)
3921 max_local = ServerInstance->LocalUserCount();
3922 if (n_users > max_global)
3923 max_global = n_users;
3925 user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,n_users-ServerInstance->InvisibleUserCount(),ServerInstance->InvisibleUserCount(),this->CountServs());
3926 if (ServerInstance->OperCount())
3927 user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount());
3928 if (ServerInstance->UnregisteredUserCount())
3929 user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount());
3930 if (ServerInstance->ChannelCount())
3931 user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount());
3932 user->WriteServ("254 %s :I have %d clients and %d servers",user->nick,ServerInstance->LocalUserCount(),this->CountLocalServs());
3933 user->WriteServ("265 %s :Current Local Users: %d Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local);
3934 user->WriteServ("266 %s :Current Global Users: %d Max: %d",user->nick,n_users,max_global);
3938 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
3940 void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][80], float &totusers, float &totservers)
3944 for (int t = 0; t < depth; t++)
3946 matrix[line][t] = ' ';
3949 // For Aligning, we need to work out exactly how deep this thing is, and produce
3950 // a 'Spacer' String to compensate.
3953 memset(spacer,' ',40);
3954 if ((40 - Current->GetName().length() - depth) > 1) {
3955 spacer[40 - Current->GetName().length() - depth] = '\0';
3964 if (ServerInstance->clientlist.size() == 0) {
3965 // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
3970 percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist.size()) * 100;
3972 snprintf(text, 80, "%s %s%5d [%5.2f%%]", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent);
3973 totusers += Current->GetUserCount();
3975 strlcpy(&matrix[line][depth],text,80);
3977 for (unsigned int q = 0; q < Current->ChildCount(); q++)
3979 if ((HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str())))
3983 ShowMap(Current->GetChild(q),user,(FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
3988 ShowMap(Current->GetChild(q),user,(FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
3994 int HandleMotd(const char** parameters, int pcnt, userrec* user)
3998 /* Remote MOTD, the server is within the 1st parameter */
3999 std::deque<std::string> params;
4000 params.push_back(parameters[0]);
4002 /* Send it out remotely, generate no reply yet */
4003 TreeServer* s = FindServerMask(parameters[0]);
4006 DoOneToOne(user->nick, "MOTD", params, s->GetName());
4010 user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
4017 int HandleAdmin(const char** parameters, int pcnt, userrec* user)
4021 /* Remote ADMIN, the server is within the 1st parameter */
4022 std::deque<std::string> params;
4023 params.push_back(parameters[0]);
4025 /* Send it out remotely, generate no reply yet */
4026 TreeServer* s = FindServerMask(parameters[0]);
4029 DoOneToOne(user->nick, "ADMIN", params, s->GetName());
4033 user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
4040 int HandleStats(const char** parameters, int pcnt, userrec* user)
4044 /* Remote STATS, the server is within the 2nd parameter */
4045 std::deque<std::string> params;
4046 params.push_back(parameters[0]);
4047 params.push_back(parameters[1]);
4048 /* Send it out remotely, generate no reply yet */
4049 TreeServer* s = FindServerMask(parameters[1]);
4052 params[1] = s->GetName();
4053 DoOneToOne(user->nick, "STATS", params, s->GetName());
4057 user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
4064 // Ok, prepare to be confused.
4065 // After much mulling over how to approach this, it struck me that
4066 // the 'usual' way of doing a /MAP isnt the best way. Instead of
4067 // keeping track of a ton of ascii characters, and line by line
4068 // under recursion working out where to place them using multiplications
4069 // and divisons, we instead render the map onto a backplane of characters
4070 // (a character matrix), then draw the branches as a series of "L" shapes
4071 // from the nodes. This is not only friendlier on CPU it uses less stack.
4073 void HandleMap(const char** parameters, int pcnt, userrec* user)
4075 // This array represents a virtual screen which we will
4076 // "scratch" draw to, as the console device of an irc
4077 // client does not provide for a proper terminal.
4079 float totservers = 0;
4080 char matrix[128][80];
4081 for (unsigned int t = 0; t < 128; t++)
4083 matrix[t][0] = '\0';
4086 // The only recursive bit is called here.
4087 ShowMap(TreeRoot,user,0,matrix,totusers,totservers);
4088 // Process each line one by one. The algorithm has a limit of
4089 // 128 servers (which is far more than a spanning tree should have
4090 // anyway, so we're ok). This limit can be raised simply by making
4091 // the character matrix deeper, 128 rows taking 10k of memory.
4092 for (int l = 1; l < line; l++)
4094 // scan across the line looking for the start of the
4095 // servername (the recursive part of the algorithm has placed
4096 // the servers at indented positions depending on what they
4098 int first_nonspace = 0;
4099 while (matrix[l][first_nonspace] == ' ')
4104 // Draw the `- (corner) section: this may be overwritten by
4105 // another L shape passing along the same vertical pane, becoming
4106 // a |- (branch) section instead.
4107 matrix[l][first_nonspace] = '-';
4108 matrix[l][first_nonspace-1] = '`';
4110 // Draw upwards until we hit the parent server, causing possibly
4111 // other corners (`-) to become branches (|-)
4112 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
4114 matrix[l2][first_nonspace-1] = '|';
4118 // dump the whole lot to the user. This is the easy bit, honest.
4119 for (int t = 0; t < line; t++)
4121 user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
4123 float avg_users = totusers / totservers;
4124 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);
4125 user->WriteServ("007 %s :End of /MAP",user->nick);
4129 int HandleSquit(const char** parameters, int pcnt, userrec* user)
4131 TreeServer* s = FindServerMask(parameters[0]);
4136 user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
4139 TreeSocket* sock = s->GetSocket();
4142 ServerInstance->Log(DEBUG,"Splitting server %s",s->GetName().c_str());
4143 ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
4144 sock->Squit(s,"Server quit by "+std::string(user->nick)+"!"+std::string(user->ident)+"@"+std::string(user->host));
4145 ServerInstance->SE->DelFd(sock);
4151 user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 is not directly connected.",user->nick,parameters[0]);
4156 user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
4161 int HandleTime(const char** parameters, int pcnt, userrec* user)
4163 if ((IS_LOCAL(user)) && (pcnt))
4165 TreeServer* found = FindServerMask(parameters[0]);
4168 // we dont' override for local server
4169 if (found == TreeRoot)
4172 std::deque<std::string> params;
4173 params.push_back(found->GetName());
4174 params.push_back(user->nick);
4175 DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
4179 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
4185 int HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
4187 if ((IS_LOCAL(user)) && (pcnt > 1))
4189 userrec* remote = ServerInstance->FindNick(parameters[1]);
4190 if ((remote) && (remote->GetFd() < 0))
4192 std::deque<std::string> params;
4193 params.push_back(parameters[1]);
4194 DoOneToOne(user->nick,"IDLE",params,remote->server);
4199 user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
4200 user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
4207 void DoPingChecks(time_t curtime)
4209 for (unsigned int j = 0; j < TreeRoot->ChildCount(); j++)
4211 TreeServer* serv = TreeRoot->GetChild(j);
4212 TreeSocket* sock = serv->GetSocket();
4215 if (curtime >= serv->NextPingTime())
4217 if (serv->AnsweredLastPing())
4219 sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
4220 serv->SetNextPingTime(curtime + 60);
4224 // they didnt answer, boot them
4225 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 pinged out",serv->GetName().c_str());
4226 sock->Squit(serv,"Ping timeout");
4227 ServerInstance->SE->DelFd(sock);
4237 void ConnectServer(Link* x)
4241 /* Do we already have an IP? If so, no need to resolve it. */
4242 if (insp_aton(x->IPAddr.c_str(), &binip) > 0)
4244 TreeSocket* newsocket = new TreeSocket(ServerInstance, x->IPAddr,x->Port,false,10,x->Name.c_str());
4245 if (newsocket->GetFd() > -1)
4247 /* Handled automatically on success */
4251 ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
4253 this->DoFailOver(x);
4260 ServernameResolver* snr = new ServernameResolver(ServerInstance,x->IPAddr, *x);
4261 ServerInstance->AddResolver(snr);
4263 catch (ModuleException& e)
4265 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
4266 this->DoFailOver(x);
4271 void DoFailOver(Link* x)
4273 if (x->FailOver.length())
4275 if (x->FailOver == x->Name)
4277 ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Some muppet configured the failover for server \002%s\002 to point at itself. Not following it!", x->Name.c_str());
4280 Link* TryThisOne = this->FindLink(x->FailOver.c_str());
4283 ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Trying failover link for \002%s\002: \002%s\002...", x->Name.c_str(), TryThisOne->Name.c_str());
4284 ConnectServer(TryThisOne);
4288 ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Invalid failover server specified for server \002%s\002, will not follow!", x->Name.c_str());
4293 Link* FindLink(const std::string& name)
4295 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
4297 if (ServerInstance->MatchText(x->Name.c_str(), name.c_str()))
4305 void AutoConnectServers(time_t curtime)
4307 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
4309 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
4311 ServerInstance->Log(DEBUG,"Auto-Connecting %s",x->Name.c_str());
4312 x->NextConnectTime = curtime + x->AutoConnect;
4313 TreeServer* CheckDupe = FindServer(x->Name.c_str());
4314 if (x->FailOver.length())
4316 TreeServer* CheckFailOver = FindServer(x->FailOver.c_str());
4319 /* The failover for this server is currently a member of the network.
4320 * The failover probably succeeded, where the main link did not.
4321 * Don't try the main link until the failover is gone again.
4328 // an autoconnected server is not connected. Check if its time to connect it
4329 ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
4330 this->ConnectServer(&(*x));
4336 int HandleVersion(const char** parameters, int pcnt, userrec* user)
4338 // we've already checked if pcnt > 0, so this is safe
4339 TreeServer* found = FindServerMask(parameters[0]);
4342 std::string Version = found->GetVersion();
4343 user->WriteServ("351 %s :%s",user->nick,Version.c_str());
4344 if (found == TreeRoot)
4346 std::stringstream out(ServerInstance->Config->data005);
4347 std::string token = "";
4348 std::string line5 = "";
4349 int token_counter = 0;
4354 line5 = line5 + token + " ";
4357 if ((token_counter >= 13) || (out.eof() == true))
4359 user->WriteServ("005 %s %s:are supported by this server",user->nick,line5.c_str());
4368 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
4373 int HandleConnect(const char** parameters, int pcnt, userrec* user)
4375 for (std::vector<Link>::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++)
4377 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
4379 TreeServer* CheckDupe = FindServer(x->Name.c_str());
4382 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);
4383 ConnectServer(&(*x));
4388 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());
4393 user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
4397 virtual int OnStats(char statschar, userrec* user, string_list &results)
4399 if (statschar == 'c')
4401 for (unsigned int i = 0; i < LinkBlocks.size(); i++)
4403 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');
4404 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+LinkBlocks[i].Name.c_str());
4406 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
4407 ServerInstance->SNO->WriteToSnoMask('t',"Notice: %s '%c' requested by %s (%s@%s)",(!strcmp(user->server,ServerInstance->Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host);
4413 virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
4415 /* If the command doesnt appear to be valid, we dont want to mess with it. */
4419 if (command == "CONNECT")
4421 return this->HandleConnect(parameters,pcnt,user);
4423 else if (command == "STATS")
4425 return this->HandleStats(parameters,pcnt,user);
4427 else if (command == "MOTD")
4429 return this->HandleMotd(parameters,pcnt,user);
4431 else if (command == "ADMIN")
4433 return this->HandleAdmin(parameters,pcnt,user);
4435 else if (command == "SQUIT")
4437 return this->HandleSquit(parameters,pcnt,user);
4439 else if (command == "MAP")
4441 this->HandleMap(parameters,pcnt,user);
4444 else if ((command == "TIME") && (pcnt > 0))
4446 return this->HandleTime(parameters,pcnt,user);
4448 else if (command == "LUSERS")
4450 this->HandleLusers(parameters,pcnt,user);
4453 else if (command == "LINKS")
4455 this->HandleLinks(parameters,pcnt,user);
4458 else if (command == "WHOIS")
4463 return this->HandleRemoteWhois(parameters,pcnt,user);
4466 else if ((command == "VERSION") && (pcnt > 0))
4468 this->HandleVersion(parameters,pcnt,user);
4475 virtual void OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
4477 if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
4479 // this bit of code cleverly routes all module commands
4480 // to all remote severs *automatically* so that modules
4481 // can just handle commands locally, without having
4482 // to have any special provision in place for remote
4483 // commands and linking protocols.
4484 std::deque<std::string> params;
4486 for (int j = 0; j < pcnt; j++)
4488 if (strchr(parameters[j],' '))
4490 params.push_back(":" + std::string(parameters[j]));
4494 params.push_back(std::string(parameters[j]));
4497 ServerInstance->Log(DEBUG,"Globally route '%s'",command.c_str());
4498 DoOneToMany(user->nick,command,params);
4502 virtual void OnGetServerDescription(const std::string &servername,std::string &description)
4504 TreeServer* s = FindServer(servername);
4507 description = s->GetDesc();
4511 virtual void OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
4513 if (IS_LOCAL(source))
4515 std::deque<std::string> params;
4516 params.push_back(dest->nick);
4517 params.push_back(channel->name);
4518 DoOneToMany(source->nick,"INVITE",params);
4522 virtual void OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
4524 std::deque<std::string> params;
4525 params.push_back(chan->name);
4526 params.push_back(":"+topic);
4527 DoOneToMany(user->nick,"TOPIC",params);
4530 virtual void OnWallops(userrec* user, const std::string &text)
4534 std::deque<std::string> params;
4535 params.push_back(":"+text);
4536 DoOneToMany(user->nick,"WALLOPS",params);
4540 virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status)
4542 if (target_type == TYPE_USER)
4544 userrec* d = (userrec*)dest;
4545 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
4547 std::deque<std::string> params;
4549 params.push_back(d->nick);
4550 params.push_back(":"+text);
4551 DoOneToOne(user->nick,"NOTICE",params,d->server);
4554 else if (target_type == TYPE_CHANNEL)
4558 chanrec *c = (chanrec*)dest;
4561 std::string cname = c->name;
4563 cname = status + cname;
4564 std::deque<TreeServer*> list;
4565 GetListOfServersForChannel(c,list);
4566 unsigned int ucount = list.size();
4567 for (unsigned int i = 0; i < ucount; i++)
4569 TreeSocket* Sock = list[i]->GetSocket();
4571 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
4576 else if (target_type == TYPE_SERVER)
4580 char* target = (char*)dest;
4581 std::deque<std::string> par;
4582 par.push_back(target);
4583 par.push_back(":"+text);
4584 DoOneToMany(user->nick,"NOTICE",par);
4589 virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status)
4591 if (target_type == TYPE_USER)
4593 // route private messages which are targetted at clients only to the server
4594 // which needs to receive them
4595 userrec* d = (userrec*)dest;
4596 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
4598 std::deque<std::string> params;
4600 params.push_back(d->nick);
4601 params.push_back(":"+text);
4602 DoOneToOne(user->nick,"PRIVMSG",params,d->server);
4605 else if (target_type == TYPE_CHANNEL)
4609 chanrec *c = (chanrec*)dest;
4612 std::string cname = c->name;
4614 cname = status + cname;
4615 std::deque<TreeServer*> list;
4616 GetListOfServersForChannel(c,list);
4617 unsigned int ucount = list.size();
4618 for (unsigned int i = 0; i < ucount; i++)
4620 TreeSocket* Sock = list[i]->GetSocket();
4622 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
4627 else if (target_type == TYPE_SERVER)
4631 char* target = (char*)dest;
4632 std::deque<std::string> par;
4633 par.push_back(target);
4634 par.push_back(":"+text);
4635 DoOneToMany(user->nick,"PRIVMSG",par);
4640 virtual void OnBackgroundTimer(time_t curtime)
4642 AutoConnectServers(curtime);
4643 DoPingChecks(curtime);
4646 virtual void OnUserJoin(userrec* user, chanrec* channel)
4648 // Only do this for local users
4651 std::deque<std::string> params;
4653 params.push_back(channel->name);
4654 // set up their permissions and the channel TS with FJOIN.
4655 // All users are FJOINed now, because a module may specify
4656 // new joining permissions for the user.
4658 params.push_back(channel->name);
4659 params.push_back(ConvToStr(channel->age));
4660 params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick));
4661 DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
4665 virtual void OnChangeHost(userrec* user, const std::string &newhost)
4667 // only occurs for local clients
4668 if (user->registered != REG_ALL)
4670 std::deque<std::string> params;
4671 params.push_back(newhost);
4672 DoOneToMany(user->nick,"FHOST",params);
4675 virtual void OnChangeName(userrec* user, const std::string &gecos)
4677 // only occurs for local clients
4678 if (user->registered != REG_ALL)
4680 std::deque<std::string> params;
4681 params.push_back(gecos);
4682 DoOneToMany(user->nick,"FNAME",params);
4685 virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage)
4689 std::deque<std::string> params;
4690 params.push_back(channel->name);
4691 if (partmessage != "")
4692 params.push_back(":"+partmessage);
4693 DoOneToMany(user->nick,"PART",params);
4697 virtual void OnUserConnect(userrec* user)
4699 char agestr[MAXBUF];
4702 std::deque<std::string> params;
4703 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
4704 params.push_back(agestr);
4705 params.push_back(user->nick);
4706 params.push_back(user->host);
4707 params.push_back(user->dhost);
4708 params.push_back(user->ident);
4709 params.push_back("+"+std::string(user->FormatModes()));
4710 params.push_back(user->GetIPString());
4711 params.push_back(":"+std::string(user->fullname));
4712 DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
4714 // User is Local, change needs to be reflected!
4715 TreeServer* SourceServer = FindServer(user->server);
4718 SourceServer->AddUserCount();
4724 virtual void OnUserQuit(userrec* user, const std::string &reason)
4726 if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
4728 std::deque<std::string> params;
4729 params.push_back(":"+reason);
4730 DoOneToMany(user->nick,"QUIT",params);
4732 // Regardless, We need to modify the user Counts..
4733 TreeServer* SourceServer = FindServer(user->server);
4736 SourceServer->DelUserCount();
4741 virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
4745 std::deque<std::string> params;
4746 params.push_back(user->nick);
4747 DoOneToMany(oldnick,"NICK",params);
4751 virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason)
4753 if ((source) && (IS_LOCAL(source)))
4755 std::deque<std::string> params;
4756 params.push_back(chan->name);
4757 params.push_back(user->nick);
4758 params.push_back(":"+reason);
4759 DoOneToMany(source->nick,"KICK",params);
4763 std::deque<std::string> params;
4764 params.push_back(chan->name);
4765 params.push_back(user->nick);
4766 params.push_back(":"+reason);
4767 DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
4771 virtual void OnRemoteKill(userrec* source, userrec* dest, const std::string &reason)
4773 std::deque<std::string> params;
4774 params.push_back(dest->nick);
4775 params.push_back(":"+reason);
4776 DoOneToMany(source->nick,"KILL",params);
4779 virtual void OnRehash(const std::string ¶meter)
4781 if (parameter != "")
4783 std::deque<std::string> params;
4784 params.push_back(parameter);
4785 DoOneToMany(ServerInstance->Config->ServerName,"REHASH",params);
4787 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
4789 ServerInstance->WriteOpers("*** Remote rehash initiated from server \002%s\002",ServerInstance->Config->ServerName);
4790 ServerInstance->RehashServer();
4793 ReadConfiguration(false);
4796 // note: the protocol does not allow direct umode +o except
4797 // via NICK with 8 params. sending OPERTYPE infers +o modechange
4799 virtual void OnOper(userrec* user, const std::string &opertype)
4803 std::deque<std::string> params;
4804 params.push_back(opertype);
4805 DoOneToMany(user->nick,"OPERTYPE",params);
4809 void OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
4811 if (IS_LOCAL(source))
4814 snprintf(type,8,"%cLINE",linetype);
4815 std::string stype = type;
4818 char sduration[MAXBUF];
4819 snprintf(sduration,MAXBUF,"%ld",duration);
4820 std::deque<std::string> params;
4821 params.push_back(host);
4822 params.push_back(sduration);
4823 params.push_back(":"+reason);
4824 DoOneToMany(source->nick,stype,params);
4828 std::deque<std::string> params;
4829 params.push_back(host);
4830 DoOneToMany(source->nick,stype,params);
4835 virtual void OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
4837 OnLine(source,hostmask,true,'G',duration,reason);
4840 virtual void OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
4842 OnLine(source,ipmask,true,'Z',duration,reason);
4845 virtual void OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
4847 OnLine(source,nickmask,true,'Q',duration,reason);
4850 virtual void OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
4852 OnLine(source,hostmask,true,'E',duration,reason);
4855 virtual void OnDelGLine(userrec* source, const std::string &hostmask)
4857 OnLine(source,hostmask,false,'G',0,"");
4860 virtual void OnDelZLine(userrec* source, const std::string &ipmask)
4862 OnLine(source,ipmask,false,'Z',0,"");
4865 virtual void OnDelQLine(userrec* source, const std::string &nickmask)
4867 OnLine(source,nickmask,false,'Q',0,"");
4870 virtual void OnDelELine(userrec* source, const std::string &hostmask)
4872 OnLine(source,hostmask,false,'E',0,"");
4875 virtual void OnMode(userrec* user, void* dest, int target_type, const std::string &text)
4877 if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
4879 if (target_type == TYPE_USER)
4881 userrec* u = (userrec*)dest;
4882 std::deque<std::string> params;
4883 params.push_back(u->nick);
4884 params.push_back(text);
4885 DoOneToMany(user->nick,"MODE",params);
4889 chanrec* c = (chanrec*)dest;
4890 std::deque<std::string> params;
4891 params.push_back(c->name);
4892 params.push_back(text);
4893 DoOneToMany(user->nick,"MODE",params);
4898 virtual void OnSetAway(userrec* user)
4902 std::deque<std::string> params;
4903 params.push_back(":"+std::string(user->awaymsg));
4904 DoOneToMany(user->nick,"AWAY",params);
4908 virtual void OnCancelAway(userrec* user)
4912 std::deque<std::string> params;
4914 DoOneToMany(user->nick,"AWAY",params);
4918 virtual void ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
4920 TreeSocket* s = (TreeSocket*)opaque;
4923 if (target_type == TYPE_USER)
4925 userrec* u = (userrec*)target;
4926 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
4930 chanrec* c = (chanrec*)target;
4931 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
4936 virtual void ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
4938 TreeSocket* s = (TreeSocket*)opaque;
4941 if (target_type == TYPE_USER)
4943 userrec* u = (userrec*)target;
4944 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
4946 else if (target_type == TYPE_OTHER)
4948 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
4950 else if (target_type == TYPE_CHANNEL)
4952 chanrec* c = (chanrec*)target;
4953 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
4958 virtual void OnEvent(Event* event)
4960 std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
4962 if (event->GetEventID() == "send_metadata")
4964 if (params->size() < 3)
4966 (*params)[2] = ":" + (*params)[2];
4967 DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
4969 else if (event->GetEventID() == "send_topic")
4971 if (params->size() < 2)
4973 (*params)[1] = ":" + (*params)[1];
4974 params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
4975 params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time()));
4976 DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params);
4978 else if (event->GetEventID() == "send_mode")
4980 if (params->size() < 2)
4982 // Insert the TS value of the object, either userrec or chanrec
4984 userrec* a = ServerInstance->FindNick((*params)[0]);
4991 chanrec* a = ServerInstance->FindChan((*params)[0]);
4997 params->insert(params->begin() + 1,ConvToStr(ourTS));
4998 DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
5002 virtual ~ModuleSpanningTree()
5004 ServerInstance->Log(DEBUG,"Performing unload of spanningtree!");
5005 ServerInstance->Log(DEBUG,"Freeing %d bindings...",Bindings.size());
5006 for (unsigned int i = 0; i < Bindings.size(); i++)
5008 ServerInstance->Log(DEBUG,"Freeing binding %d of %d",i, Bindings.size());
5009 ServerInstance->SE->DelFd(Bindings[i]);
5010 Bindings[i]->Close();
5011 DELETE(Bindings[i]);
5013 ServerInstance->Log(DEBUG,"Freeing connected servers...");
5014 while (TreeRoot->ChildCount())
5016 TreeServer* child_server = TreeRoot->GetChild(0);
5017 ServerInstance->Log(DEBUG,"Freeing connected server %s", child_server->GetName().c_str());
5020 TreeSocket* sock = child_server->GetSocket();
5021 ServerInstance->SE->DelFd(sock);
5028 virtual Version GetVersion()
5030 return Version(1,1,0,2,VF_VENDOR,API_VERSION);
5033 void Implements(char* List)
5035 List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
5036 List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
5037 List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
5038 List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
5039 List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
5040 List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
5041 List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
5044 /* It is IMPORTANT that m_spanningtree is the last module in the chain
5045 * so that any activity it sees is FINAL, e.g. we arent going to send out
5046 * a NICK message before m_cloaking has finished putting the +x on the user,
5048 * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
5049 * the module call queue.
5051 Priority Prioritize()
5053 return PRIORITY_LAST;
5057 void DoFailOver(Link* x)
5059 TreeProtocolModule->DoFailOver(x);
5062 Link* FindLink(const std::string& name)
5064 return TreeProtocolModule->FindLink(name);
5067 class ModuleSpanningTreeFactory : public ModuleFactory
5070 ModuleSpanningTreeFactory()
5074 ~ModuleSpanningTreeFactory()
5078 virtual Module * CreateModule(InspIRCd* Me)
5080 TreeProtocolModule = new ModuleSpanningTree(Me);
5081 return TreeProtocolModule;
5087 extern "C" void * init_module( void )
5089 return new ModuleSpanningTreeFactory;