src/modules/m_spanningtree/main.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2010 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $ModDesc: Provides a spanning tree server link protocol */
  15
  16 #include "inspircd.h"
  17 #include "socket.h"
  18 #include "xline.h"
  19
  20 #include "cachetimer.h"
  21 #include "resolvers.h"
  22 #include "main.h"
  23 #include "utils.h"
  24 #include "treeserver.h"
  25 #include "link.h"
  26 #include "treesocket.h"
  27 #include "commands.h"
  28 #include "protocolinterface.h"
  29
  30 ModuleSpanningTree::ModuleSpanningTree()
  31 {
  32         Utils = new SpanningTreeUtilities(this);
  33         commands = new SpanningTreeCommands(this);
  34 }
  35
  36 SpanningTreeCommands::SpanningTreeCommands(ModuleSpanningTree* module)
  37         : rconnect(module, module->Utils), rsquit(module, module->Utils),
  38         svsjoin(module), svspart(module), svsnick(module), metadata(module),
  39         uid(module), opertype(module), fjoin(module), fmode(module), ftopic(module),
  40         fhost(module), fident(module), fname(module)
  41 {
  42 }
  43
  44 void ModuleSpanningTree::init()
  45 {
  46         RefreshTimer = new CacheRefreshTimer(Utils);
  47         ServerInstance->Modules->AddService(commands->rconnect);
  48         ServerInstance->Modules->AddService(commands->rsquit);
  49         ServerInstance->Modules->AddService(commands->svsjoin);
  50         ServerInstance->Modules->AddService(commands->svspart);
  51         ServerInstance->Modules->AddService(commands->svsnick);
  52         ServerInstance->Modules->AddService(commands->metadata);
  53         ServerInstance->Modules->AddService(commands->uid);
  54         ServerInstance->Modules->AddService(commands->opertype);
  55         ServerInstance->Modules->AddService(commands->fjoin);
  56         ServerInstance->Modules->AddService(commands->fmode);
  57         ServerInstance->Modules->AddService(commands->ftopic);
  58         ServerInstance->Modules->AddService(commands->fhost);
  59         ServerInstance->Modules->AddService(commands->fident);
  60         ServerInstance->Modules->AddService(commands->fname);
  61         ServerInstance->Timers->AddTimer(RefreshTimer);
  62
  63         Implementation eventlist[] =
  64         {
  65                 I_OnPreCommand, I_OnGetServerDescription, I_OnUserInvite, I_OnPostTopicChange,
  66                 I_OnWallops, I_OnUserNotice, I_OnUserMessage, I_OnBackgroundTimer, I_OnUserJoin,
  67                 I_OnChangeHost, I_OnChangeName, I_OnChangeIdent, I_OnUserPart, I_OnUnloadModule,
  68                 I_OnUserQuit, I_OnUserPostNick, I_OnUserKick, I_OnRemoteKill, I_OnRehash, I_OnPreRehash,
  69                 I_OnOper, I_OnAddLine, I_OnDelLine, I_OnMode, I_OnLoadModule, I_OnStats,
  70                 I_OnSetAway, I_OnPostCommand, I_OnUserConnect, I_OnAcceptConnection
  71         };
  72         ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
  73
  74         delete ServerInstance->PI;
  75         ServerInstance->PI = new SpanningTreeProtocolInterface(this, Utils);
  76         loopCall = false;
  77
  78         // update our local user count
  79         Utils->TreeRoot->SetUserCount(ServerInstance->Users->local_users.size());
  80 }
  81
  82 void ModuleSpanningTree::ShowLinks(TreeServer* Current, User* user, int hops)
  83 {
  84         std::string Parent = Utils->TreeRoot->GetName();
  85         if (Current->GetParent())
  86         {
  87                 Parent = Current->GetParent()->GetName();
  88         }
  89         for (unsigned int q = 0; q < Current->ChildCount(); q++)
  90         {
  91                 if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
  92                 {
  93                         if (IS_OPER(user))
  94                         {
  95                                  ShowLinks(Current->GetChild(q),user,hops+1);
  96                         }
  97                 }
  98                 else
  99                 {
 100                         ShowLinks(Current->GetChild(q),user,hops+1);
 101                 }
 102         }
 103         /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
 104         if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user)))
 105                 return;
 106         /* Or if the server is hidden and they're not an oper */
 107         else if ((Current->Hidden) && (!IS_OPER(user)))
 108                 return;
 109
 110         user->WriteNumeric(364, "%s %s %s :%d %s",      user->nick.c_str(),Current->GetName().c_str(),
 111                         (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName.c_str() : Parent.c_str(),
 112                         (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
 113                         Current->GetDesc().c_str());
 114 }
 115
 116 int ModuleSpanningTree::CountServs()
 117 {
 118         return Utils->serverlist.size();
 119 }
 120
 121 void ModuleSpanningTree::HandleLinks(const std::vector<std::string>& parameters, User* user)
 122 {
 123         ShowLinks(Utils->TreeRoot,user,0);
 124         user->WriteNumeric(365, "%s * :End of /LINKS list.",user->nick.c_str());
 125         return;
 126 }
 127
 128 std::string ModuleSpanningTree::TimeToStr(time_t secs)
 129 {
 130         time_t mins_up = secs / 60;
 131         time_t hours_up = mins_up / 60;
 132         time_t days_up = hours_up / 24;
 133         secs = secs % 60;
 134         mins_up = mins_up % 60;
 135         hours_up = hours_up % 24;
 136         return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
 137                         + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
 138                         + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
 139                         + ConvToStr(secs) + "s");
 140 }
 141
 142 void ModuleSpanningTree::DoPingChecks(time_t curtime)
 143 {
 144         /*
 145          * Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
 146          * This prevents lost REMOTECONNECT notices
 147          */
 148         long ts = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);
 149
 150         for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
 151         {
 152                 TreeServer *s = i->second;
 153
 154                 // Fix for bug #792, do not ping servers that are not connected yet!
 155                 // Remote servers have Socket == NULL and local connected servers have
 156                 // Socket->LinkState == CONNECTED
 157                 if (s->GetSocket() && s->GetSocket()->GetLinkState() != CONNECTED)
 158                         continue;
 159
 160                 // Now do PING checks on all servers
 161                 TreeServer *mts = Utils->BestRouteTo(s->GetID());
 162
 163                 if (mts)
 164                 {
 165                         // Only ping if this server needs one
 166                         if (curtime >= s->NextPingTime())
 167                         {
 168                                 // And if they answered the last
 169                                 if (s->AnsweredLastPing())
 170                                 {
 171                                         // They did, send a ping to them
 172                                         s->SetNextPingTime(curtime + Utils->PingFreq);
 173                                         TreeSocket *tsock = mts->GetSocket();
 174
 175                                         // ... if we can find a proper route to them
 176                                         if (tsock)
 177                                         {
 178                                                 tsock->WriteLine(std::string(":") + ServerInstance->Config->GetSID() + " PING " +
 179                                                                 ServerInstance->Config->GetSID() + " " + s->GetID());
 180                                                 s->LastPingMsec = ts;
 181                                         }
 182                                 }
 183                                 else
 184                                 {
 185                                         // They didn't answer the last ping, if they are locally connected, get rid of them.
 186                                         TreeSocket *sock = s->GetSocket();
 187                                         if (sock)
 188                                         {
 189                                                 sock->SendError("Ping timeout");
 190                                                 sock->Squit(s,"Ping timeout");
 191                                                 sock->Close();
 192                                                 return;
 193                                         }
 194                                 }
 195                         }
 196
 197                         // If warn on ping enabled and not warned and the difference is sufficient and they didn't answer the last ping...
 198                         if ((Utils->PingWarnTime) && (!s->Warned) && (curtime >= s->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!s->AnsweredLastPing()))
 199                         {
 200                                 /* The server hasnt responded, send a warning to opers */
 201                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", s->GetName().c_str(), Utils->PingWarnTime);
 202                                 s->Warned = true;
 203                         }
 204                 }
 205         }
 206 }
 207
 208 void ModuleSpanningTree::ConnectServer(Autoconnect* a, bool on_timer)
 209 {
 210         if (!a)
 211                 return;
 212         for(unsigned int j=0; j < a->servers.size(); j++)
 213         {
 214                 if (Utils->FindServer(a->servers[j]))
 215                 {
 216                         // found something in this block. Should the server fail,
 217                         // we want to start at the start of the list, not in the
 218                         // middle where we left off
 219                         a->position = -1;
 220                         return;
 221                 }
 222         }
 223         if (on_timer && a->position >= 0)
 224                 return;
 225         if (!on_timer && a->position < 0)
 226                 return;
 227
 228         a->position++;
 229         while (a->position < (int)a->servers.size())
 230         {
 231                 Link* x = Utils->FindLink(a->servers[a->position]);
 232                 if (x)
 233                 {
 234                         ServerInstance->SNO->WriteToSnoMask('l', "AUTOCONNECT: Auto-connecting server \002%s\002", x->Name.c_str());
 235                         ConnectServer(x, a);
 236                         return;
 237                 }
 238                 a->position++;
 239         }
 240         // Autoconnect chain has been fully iterated; start at the beginning on the
 241         // next AutoConnectServers run
 242         a->position = -1;
 243 }
 244
 245 void ModuleSpanningTree::ConnectServer(Link* x, Autoconnect* y)
 246 {
 247         bool ipvalid = true;
 248
 249         if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name)))
 250         {
 251                 ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
 252                 return;
 253         }
 254
 255         QueryType start_type = DNS_QUERY_A;
 256         start_type = DNS_QUERY_AAAA;
 257         if (strchr(x->IPAddr.c_str(),':'))
 258         {
 259                 in6_addr n;
 260                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 261                         ipvalid = false;
 262         }
 263         else
 264         {
 265                 in_addr n;
 266                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 267                         ipvalid = false;
 268         }
 269
 270         /* Do we already have an IP? If so, no need to resolve it. */
 271         if (ipvalid)
 272         {
 273                 /* Gave a hook, but it wasnt one we know */
 274                 TreeSocket* newsocket = new TreeSocket(Utils, x->IPAddr, x->Port, x->Timeout ? x->Timeout : 10,
 275                         x->Name.c_str(), x->Bind, y, x->Hook);
 276                 if (newsocket->GetFd() > -1)
 277                 {
 278                         /* Handled automatically on success */
 279                 }
 280                 else
 281                 {
 282                         ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
 283                                 x->Name.c_str(), newsocket->getError().c_str());
 284                         ServerInstance->GlobalCulls.AddItem(newsocket);
 285                 }
 286         }
 287         else
 288         {
 289                 try
 290                 {
 291                         bool cached;
 292                         ServernameResolver* snr = new ServernameResolver(Utils, x->IPAddr, x, cached, start_type, y);
 293                         ServerInstance->AddResolver(snr, cached);
 294                 }
 295                 catch (ModuleException& e)
 296                 {
 297                         ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 298                         ConnectServer(y, false);
 299                 }
 300         }
 301 }
 302
 303 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 304 {
 305         for (std::vector<reference<Autoconnect> >::iterator i = Utils->AutoconnectBlocks.begin(); i < Utils->AutoconnectBlocks.end(); ++i)
 306         {
 307                 Autoconnect* x = *i;
 308                 if (curtime >= x->NextConnectTime)
 309                 {
 310                         x->NextConnectTime = curtime + x->Period;
 311                         ConnectServer(x, true);
 312                 }
 313         }
 314 }
 315
 316 void ModuleSpanningTree::DoConnectTimeout(time_t curtime)
 317 {
 318         std::map<TreeSocket*, std::pair<std::string, int> >::iterator i = Utils->timeoutlist.begin();
 319         while (i != Utils->timeoutlist.end())
 320         {
 321                 TreeSocket* s = i->first;
 322                 std::pair<std::string, int> p = i->second;
 323                 std::map<TreeSocket*, std::pair<std::string, int> >::iterator me = i;
 324                 i++;
 325                 if (curtime > s->age + p.second)
 326                 {
 327                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002 (timeout of %d seconds)",p.first.c_str(),p.second);
 328                         Utils->timeoutlist.erase(me);
 329                         s->Close();
 330                         ServerInstance->GlobalCulls.AddItem(s);
 331                 }
 332         }
 333 }
 334
 335 ModResult ModuleSpanningTree::HandleVersion(const std::vector<std::string>& parameters, User* user)
 336 {
 337         // we've already checked if pcnt > 0, so this is safe
 338         TreeServer* found = Utils->FindServerMask(parameters[0]);
 339         if (found)
 340         {
 341                 std::string Version = found->GetVersion();
 342                 user->WriteNumeric(351, "%s :%s",user->nick.c_str(),Version.c_str());
 343                 if (found == Utils->TreeRoot)
 344                 {
 345                         ServerInstance->Config->Send005(user);
 346                 }
 347         }
 348         else
 349         {
 350                 user->WriteNumeric(402, "%s %s :No such server",user->nick.c_str(),parameters[0].c_str());
 351         }
 352         return MOD_RES_DENY;
 353 }
 354
 355 /* This method will attempt to get a message to a remote user.
 356  */
 357 void ModuleSpanningTree::RemoteMessage(User* user, const char* format, ...)
 358 {
 359         char text[MAXBUF];
 360         va_list argsPtr;
 361
 362         va_start(argsPtr, format);
 363         vsnprintf(text, MAXBUF, format, argsPtr);
 364         va_end(argsPtr);
 365
 366         if (IS_LOCAL(user))
 367                 user->WriteServ("NOTICE %s :%s", user->nick.c_str(), text);
 368         else
 369                 ServerInstance->PI->SendUserNotice(user, text);
 370 }
 371
 372 ModResult ModuleSpanningTree::HandleConnect(const std::vector<std::string>& parameters, User* user)
 373 {
 374         for (std::vector<reference<Link> >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); i++)
 375         {
 376                 Link* x = *i;
 377                 if (InspIRCd::Match(x->Name.c_str(),parameters[0]))
 378                 {
 379                         if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name)))
 380                         {
 381                                 RemoteMessage(user, "*** CONNECT: Server \002%s\002 is ME, not connecting.",x->Name.c_str());
 382                                 return MOD_RES_DENY;
 383                         }
 384
 385                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 386                         if (!CheckDupe)
 387                         {
 388                                 RemoteMessage(user, "*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
 389                                 ConnectServer(x);
 390                                 return MOD_RES_DENY;
 391                         }
 392                         else
 393                         {
 394                                 RemoteMessage(user, "*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str());
 395                                 return MOD_RES_DENY;
 396                         }
 397                 }
 398         }
 399         RemoteMessage(user, "*** CONNECT: No server matching \002%s\002 could be found in the config file.",parameters[0].c_str());
 400         return MOD_RES_DENY;
 401 }
 402
 403 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 404 {
 405         TreeServer* s = Utils->FindServer(servername);
 406         if (s)
 407         {
 408                 description = s->GetDesc();
 409         }
 410 }
 411
 412 void ModuleSpanningTree::OnUserInvite(User* source,User* dest,Channel* channel, time_t expiry)
 413 {
 414         if (IS_LOCAL(source))
 415         {
 416                 parameterlist params;
 417                 params.push_back(dest->uuid);
 418                 params.push_back(channel->name);
 419                 params.push_back(ConvToStr(expiry));
 420                 Utils->DoOneToMany(source->uuid,"INVITE",params);
 421         }
 422 }
 423
 424 void ModuleSpanningTree::OnPostTopicChange(User* user, Channel* chan, const std::string &topic)
 425 {
 426         // Drop remote events on the floor.
 427         if (!IS_LOCAL(user))
 428                 return;
 429
 430         parameterlist params;
 431         params.push_back(chan->name);
 432         params.push_back(":"+topic);
 433         Utils->DoOneToMany(user->uuid,"TOPIC",params);
 434 }
 435
 436 void ModuleSpanningTree::OnWallops(User* user, const std::string &text)
 437 {
 438         if (IS_LOCAL(user))
 439         {
 440                 parameterlist params;
 441                 params.push_back(":"+text);
 442                 Utils->DoOneToMany(user->uuid,"WALLOPS",params);
 443         }
 444 }
 445
 446 void ModuleSpanningTree::OnUserNotice(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 447 {
 448         /* Server origin */
 449         if (user == NULL)
 450                 return;
 451
 452         if (target_type == TYPE_USER)
 453         {
 454                 User* d = (User*)dest;
 455                 if (!IS_LOCAL(d) && IS_LOCAL(user))
 456                 {
 457                         parameterlist params;
 458                         params.push_back(d->uuid);
 459                         params.push_back(":"+text);
 460                         Utils->DoOneToOne(user->uuid,"NOTICE",params,d->server);
 461                 }
 462         }
 463         else if (target_type == TYPE_CHANNEL)
 464         {
 465                 if (IS_LOCAL(user))
 466                 {
 467                         Channel *c = (Channel*)dest;
 468                         if (c)
 469                         {
 470                                 std::string cname = c->name;
 471                                 if (status)
 472                                         cname = status + cname;
 473                                 TreeServerList list;
 474                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 475                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 476                                 {
 477                                         TreeSocket* Sock = i->second->GetSocket();
 478                                         if (Sock)
 479                                                 Sock->WriteLine(":"+std::string(user->uuid)+" NOTICE "+cname+" :"+text);
 480                                 }
 481                         }
 482                 }
 483         }
 484         else if (target_type == TYPE_SERVER)
 485         {
 486                 if (IS_LOCAL(user))
 487                 {
 488                         char* target = (char*)dest;
 489                         parameterlist par;
 490                         par.push_back(target);
 491                         par.push_back(":"+text);
 492                         Utils->DoOneToMany(user->uuid,"NOTICE",par);
 493                 }
 494         }
 495 }
 496
 497 void ModuleSpanningTree::OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 498 {
 499         /* Server origin */
 500         if (user == NULL)
 501                 return;
 502
 503         if (target_type == TYPE_USER)
 504         {
 505                 // route private messages which are targetted at clients only to the server
 506                 // which needs to receive them
 507                 User* d = (User*)dest;
 508                 if (!IS_LOCAL(d) && (IS_LOCAL(user)))
 509                 {
 510                         parameterlist params;
 511                         params.push_back(d->uuid);
 512                         params.push_back(":"+text);
 513                         Utils->DoOneToOne(user->uuid,"PRIVMSG",params,d->server);
 514                 }
 515         }
 516         else if (target_type == TYPE_CHANNEL)
 517         {
 518                 if (IS_LOCAL(user))
 519                 {
 520                         Channel *c = (Channel*)dest;
 521                         if (c)
 522                         {
 523                                 std::string cname = c->name;
 524                                 if (status)
 525                                         cname = status + cname;
 526                                 TreeServerList list;
 527                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 528                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 529                                 {
 530                                         TreeSocket* Sock = i->second->GetSocket();
 531                                         if (Sock)
 532                                                 Sock->WriteLine(":"+std::string(user->uuid)+" PRIVMSG "+cname+" :"+text);
 533                                 }
 534                         }
 535                 }
 536         }
 537         else if (target_type == TYPE_SERVER)
 538         {
 539                 if (IS_LOCAL(user))
 540                 {
 541                         char* target = (char*)dest;
 542                         parameterlist par;
 543                         par.push_back(target);
 544                         par.push_back(":"+text);
 545                         Utils->DoOneToMany(user->uuid,"PRIVMSG",par);
 546                 }
 547         }
 548 }
 549
 550 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 551 {
 552         AutoConnectServers(curtime);
 553         DoPingChecks(curtime);
 554         DoConnectTimeout(curtime);
 555 }
 556
 557 void ModuleSpanningTree::OnUserConnect(LocalUser* user)
 558 {
 559         if (user->quitting)
 560                 return;
 561
 562         parameterlist params;
 563         params.push_back(user->uuid);
 564         params.push_back(ConvToStr(user->age));
 565         params.push_back(user->nick);
 566         params.push_back(user->host);
 567         params.push_back(user->dhost);
 568         params.push_back(user->ident);
 569         params.push_back(user->GetIPString());
 570         params.push_back(ConvToStr(user->signon));
 571         params.push_back("+"+std::string(user->FormatModes(true)));
 572         params.push_back(":"+std::string(user->fullname));
 573         Utils->DoOneToMany(ServerInstance->Config->GetSID(), "UID", params);
 574
 575         for(Extensible::ExtensibleStore::const_iterator i = user->GetExtList().begin(); i != user->GetExtList().end(); i++)
 576         {
 577                 ExtensionItem* item = i->first;
 578                 std::string value = item->serialize(FORMAT_NETWORK, user, i->second);
 579                 if (!value.empty())
 580                         ServerInstance->PI->SendMetaData(user, item->name, value);
 581         }
 582
 583         Utils->TreeRoot->SetUserCount(1); // increment by 1
 584 }
 585
 586 void ModuleSpanningTree::OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts)
 587 {
 588         // Only do this for local users
 589         if (IS_LOCAL(memb->user))
 590         {
 591                 parameterlist params;
 592                 // set up their permissions and the channel TS with FJOIN.
 593                 // All users are FJOINed now, because a module may specify
 594                 // new joining permissions for the user.
 595                 params.push_back(memb->chan->name);
 596                 params.push_back(ConvToStr(memb->chan->age));
 597                 params.push_back(std::string("+") + memb->chan->ChanModes(true));
 598                 params.push_back(memb->modes+","+std::string(memb->user->uuid));
 599                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FJOIN",params);
 600         }
 601 }
 602
 603 void ModuleSpanningTree::OnChangeHost(User* user, const std::string &newhost)
 604 {
 605         if (user->registered != REG_ALL || !IS_LOCAL(user))
 606                 return;
 607
 608         parameterlist params;
 609         params.push_back(newhost);
 610         Utils->DoOneToMany(user->uuid,"FHOST",params);
 611 }
 612
 613 void ModuleSpanningTree::OnChangeName(User* user, const std::string &gecos)
 614 {
 615         if (user->registered != REG_ALL || !IS_LOCAL(user))
 616                 return;
 617
 618         parameterlist params;
 619         params.push_back(gecos);
 620         Utils->DoOneToMany(user->uuid,"FNAME",params);
 621 }
 622
 623 void ModuleSpanningTree::OnChangeIdent(User* user, const std::string &ident)
 624 {
 625         // only occurs for local clients
 626         if (user->registered != REG_ALL)
 627                 return;
 628
 629         parameterlist params;
 630         params.push_back(ident);
 631         Utils->DoOneToMany(user->uuid,"FIDENT",params);
 632 }
 633
 634 void ModuleSpanningTree::OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts)
 635 {
 636         if (IS_LOCAL(memb->user))
 637         {
 638                 parameterlist params;
 639                 params.push_back(memb->chan->name);
 640                 if (!partmessage.empty())
 641                         params.push_back(":"+partmessage);
 642                 Utils->DoOneToMany(memb->user->uuid,"PART",params);
 643         }
 644 }
 645
 646 void ModuleSpanningTree::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 647 {
 648         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
 649         {
 650                 parameterlist params;
 651
 652                 if (oper_message != reason)
 653                 {
 654                         params.push_back(":"+oper_message);
 655                         Utils->DoOneToMany(user->uuid,"OPERQUIT",params);
 656                 }
 657                 params.clear();
 658                 params.push_back(":"+reason);
 659                 Utils->DoOneToMany(user->uuid,"QUIT",params);
 660         }
 661
 662         // Regardless, We need to modify the user Counts..
 663         TreeServer* SourceServer = Utils->FindServer(user->server);
 664         if (SourceServer)
 665         {
 666                 SourceServer->SetUserCount(-1); // decrement by 1
 667         }
 668 }
 669
 670 void ModuleSpanningTree::OnUserPostNick(User* user, const std::string &oldnick)
 671 {
 672         if (IS_LOCAL(user))
 673         {
 674                 parameterlist params;
 675                 params.push_back(user->nick);
 676
 677                 /** IMPORTANT: We don't update the TS if the oldnick is just a case change of the newnick!
 678                  */
 679                 if (irc::string(user->nick.c_str()) != assign(oldnick))
 680                         user->age = ServerInstance->Time();
 681
 682                 params.push_back(ConvToStr(user->age));
 683                 Utils->DoOneToMany(user->uuid,"NICK",params);
 684         }
 685         else if (!loopCall && user->nick == user->uuid)
 686         {
 687                 parameterlist params;
 688                 params.push_back(user->uuid);
 689                 params.push_back(ConvToStr(user->age));
 690                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"SAVE",params);
 691         }
 692 }
 693
 694 void ModuleSpanningTree::OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& excepts)
 695 {
 696         parameterlist params;
 697         params.push_back(memb->chan->name);
 698         params.push_back(memb->user->uuid);
 699         params.push_back(":"+reason);
 700         if (IS_LOCAL(source))
 701         {
 702                 Utils->DoOneToMany(source->uuid,"KICK",params);
 703         }
 704         else if (source == ServerInstance->FakeClient)
 705         {
 706                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"KICK",params);
 707         }
 708 }
 709
 710 void ModuleSpanningTree::OnRemoteKill(User* source, User* dest, const std::string &reason, const std::string &operreason)
 711 {
 712         if (!IS_LOCAL(source))
 713                 return; // Only start routing if we're origin.
 714
 715         ServerInstance->OperQuit.set(dest, operreason);
 716         parameterlist params;
 717         params.push_back(":"+operreason);
 718         Utils->DoOneToMany(dest->uuid,"OPERQUIT",params);
 719         params.clear();
 720         params.push_back(dest->uuid);
 721         params.push_back(":"+reason);
 722         Utils->DoOneToMany(source->uuid,"KILL",params);
 723 }
 724
 725 void ModuleSpanningTree::OnPreRehash(User* user, const std::string &parameter)
 726 {
 727         ServerInstance->Logs->Log("remoterehash", DEBUG, "called with param %s", parameter.c_str());
 728
 729         // Send out to other servers
 730         if (!parameter.empty() && parameter[0] != '-')
 731         {
 732                 parameterlist params;
 733                 params.push_back(parameter);
 734                 Utils->DoOneToAllButSender(user ? user->uuid : ServerInstance->Config->GetSID(), "REHASH", params, user ? user->server : ServerInstance->Config->ServerName);
 735         }
 736 }
 737
 738 void ModuleSpanningTree::OnRehash(User* user)
 739 {
 740         // Re-read config stuff
 741         Utils->ReadConfiguration();
 742 }
 743
 744 void ModuleSpanningTree::OnLoadModule(Module* mod)
 745 {
 746         std::string data;
 747         data.push_back('+');
 748         data.append(mod->ModuleSourceFile);
 749         Version v = mod->GetVersion();
 750         if (!v.link_data.empty())
 751         {
 752                 data.push_back('=');
 753                 data.append(v.link_data);
 754         }
 755         ServerInstance->PI->SendMetaData(NULL, "modules", data);
 756 }
 757
 758 void ModuleSpanningTree::OnUnloadModule(Module* mod)
 759 {
 760         ServerInstance->PI->SendMetaData(NULL, "modules", "-" + mod->ModuleSourceFile);
 761
 762         unsigned int items = Utils->TreeRoot->ChildCount();
 763         for(unsigned int x = 0; x < items; x++)
 764         {
 765                 TreeServer* srv = Utils->TreeRoot->GetChild(x);
 766                 TreeSocket* sock = srv->GetSocket();
 767                 if (sock && sock->GetIOHook() == mod)
 768                 {
 769                         sock->SendError("SSL module unloaded");
 770                         sock->Squit(srv,"SSL module unloaded");
 771                         sock->Close();
 772                 }
 773         }
 774 }
 775
 776 void ModuleSpanningTree::RedoConfig(Module* mod)
 777 {
 778 }
 779
 780 // note: the protocol does not allow direct umode +o except
 781 // via NICK with 8 params. sending OPERTYPE infers +o modechange
 782 // locally.
 783 void ModuleSpanningTree::OnOper(User* user, const std::string &opertype)
 784 {
 785         if (IS_LOCAL(user))
 786         {
 787                 parameterlist params;
 788                 params.push_back(opertype);
 789                 Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
 790         }
 791 }
 792
 793 void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
 794 {
 795         if (!x->IsBurstable() || loopCall)
 796                 return;
 797
 798         char data[MAXBUF];
 799         snprintf(data,MAXBUF,"%s %s %s %lu %lu :%s", x->type.c_str(), x->Displayable(),
 800         ServerInstance->Config->ServerName.c_str(), (unsigned long)x->set_time, (unsigned long)x->duration, x->reason.c_str());
 801         parameterlist params;
 802         params.push_back(data);
 803
 804         if (!user)
 805         {
 806                 /* Server-set lines */
 807                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "ADDLINE", params);
 808         }
 809         else if (IS_LOCAL(user))
 810         {
 811                 /* User-set lines */
 812                 Utils->DoOneToMany(user->uuid, "ADDLINE", params);
 813         }
 814 }
 815
 816 void ModuleSpanningTree::OnDelLine(User* user, XLine *x)
 817 {
 818         if (x->type == "K")
 819                 return;
 820
 821         char data[MAXBUF];
 822         snprintf(data,MAXBUF,"%s %s", x->type.c_str(), x->Displayable());
 823         parameterlist params;
 824         params.push_back(data);
 825
 826         if (!user)
 827         {
 828                 /* Server-unset lines */
 829                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "DELLINE", params);
 830         }
 831         else if (IS_LOCAL(user))
 832         {
 833                 /* User-unset lines */
 834                 Utils->DoOneToMany(user->uuid, "DELLINE", params);
 835         }
 836 }
 837
 838 void ModuleSpanningTree::OnMode(User* user, void* dest, int target_type, const parameterlist &text, const std::vector<TranslateType> &translate)
 839 {
 840         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
 841         {
 842                 parameterlist params;
 843                 std::string command;
 844                 std::string output_text;
 845
 846                 ServerInstance->Parser->TranslateUIDs(translate, text, output_text);
 847
 848                 if (target_type == TYPE_USER)
 849                 {
 850                         User* u = (User*)dest;
 851                         params.push_back(u->uuid);
 852                         params.push_back(output_text);
 853                         command = "MODE";
 854                 }
 855                 else
 856                 {
 857                         Channel* c = (Channel*)dest;
 858                         params.push_back(c->name);
 859                         params.push_back(ConvToStr(c->age));
 860                         params.push_back(output_text);
 861                         command = "FMODE";
 862                 }
 863
 864                 Utils->DoOneToMany(user->uuid, command, params);
 865         }
 866 }
 867
 868 ModResult ModuleSpanningTree::OnSetAway(User* user, const std::string &awaymsg)
 869 {
 870         if (IS_LOCAL(user))
 871         {
 872                 if (awaymsg.empty())
 873                 {
 874                         parameterlist params;
 875                         Utils->DoOneToMany(user->uuid,"AWAY",params);
 876                 }
 877                 else
 878                 {
 879                         parameterlist params;
 880                         params.push_back(ConvToStr(user->awaytime));
 881                         params.push_back(":" + awaymsg);
 882                         Utils->DoOneToMany(user->uuid,"AWAY",params);
 883                 }
 884         }
 885
 886         return MOD_RES_PASSTHRU;
 887 }
 888
 889 void ModuleSpanningTree::ProtoSendMode(void* opaque, TargetTypeFlags target_type, void* target, const parameterlist &modeline, const std::vector<TranslateType> &translate)
 890 {
 891         TreeSocket* s = (TreeSocket*)opaque;
 892         std::string output_text;
 893
 894         ServerInstance->Parser->TranslateUIDs(translate, modeline, output_text);
 895
 896         if (target)
 897         {
 898                 if (target_type == TYPE_USER)
 899                 {
 900                         User* u = (User*)target;
 901                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" MODE "+u->uuid+" "+output_text);
 902                 }
 903                 else if (target_type == TYPE_CHANNEL)
 904                 {
 905                         Channel* c = (Channel*)target;
 906                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
 907                 }
 908         }
 909 }
 910
 911 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, Extensible* target, const std::string &extname, const std::string &extdata)
 912 {
 913         TreeSocket* s = static_cast<TreeSocket*>(opaque);
 914         User* u = dynamic_cast<User*>(target);
 915         Channel* c = dynamic_cast<Channel*>(target);
 916         if (u)
 917                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
 918         else if (c)
 919                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
 920         else if (!target)
 921                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
 922 }
 923
 924 CullResult ModuleSpanningTree::cull()
 925 {
 926         Utils->cull();
 927         ServerInstance->Timers->DelTimer(RefreshTimer);
 928         return this->Module::cull();
 929 }
 930
 931 ModuleSpanningTree::~ModuleSpanningTree()
 932 {
 933         delete ServerInstance->PI;
 934         ServerInstance->PI = new ProtocolInterface;
 935
 936         /* This will also free the listeners */
 937         delete Utils;
 938
 939         delete commands;
 940 }
 941
 942 Version ModuleSpanningTree::GetVersion()
 943 {
 944         return Version("Allows servers to be linked", VF_VENDOR);
 945 }
 946
 947 /* It is IMPORTANT that m_spanningtree is the last module in the chain
 948  * so that any activity it sees is FINAL, e.g. we arent going to send out
 949  * a NICK message before m_cloaking has finished putting the +x on the user,
 950  * etc etc.
 951  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
 952  * the module call queue.
 953  */
 954 void ModuleSpanningTree::Prioritize()
 955 {
 956         ServerInstance->Modules->SetPriority(this, PRIORITY_LAST);
 957 }
 958
 959 MODULE_INIT(ModuleSpanningTree)