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                                                 ServerInstance->SE->DelFd(sock);
 192                                                 sock->Close();
 193                                                 return;
 194                                         }
 195                                 }
 196                         }
 197
 198                         // If warn on ping enabled and not warned and the difference is sufficient and they didn't answer the last ping...
 199                         if ((Utils->PingWarnTime) && (!s->Warned) && (curtime >= s->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!s->AnsweredLastPing()))
 200                         {
 201                                 /* The server hasnt responded, send a warning to opers */
 202                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", s->GetName().c_str(), Utils->PingWarnTime);
 203                                 s->Warned = true;
 204                         }
 205                 }
 206         }
 207 }
 208
 209 void ModuleSpanningTree::ConnectServer(Autoconnect* a, bool on_timer)
 210 {
 211         if (!a)
 212                 return;
 213         for(unsigned int j=0; j < a->servers.size(); j++)
 214         {
 215                 if (Utils->FindServer(a->servers[j]))
 216                 {
 217                         // found something in this block. Should the server fail,
 218                         // we want to start at the start of the list, not in the
 219                         // middle where we left off
 220                         a->position = -1;
 221                         return;
 222                 }
 223         }
 224         if (on_timer && a->position >= 0)
 225                 return;
 226         if (!on_timer && a->position < 0)
 227                 return;
 228
 229         a->position++;
 230         while (a->position < (int)a->servers.size())
 231         {
 232                 Link* x = Utils->FindLink(a->servers[a->position]);
 233                 if (x)
 234                 {
 235                         ServerInstance->SNO->WriteToSnoMask('l', "AUTOCONNECT: Auto-connecting server \002%s\002", x->Name.c_str());
 236                         ConnectServer(x, a);
 237                         return;
 238                 }
 239                 a->position++;
 240         }
 241         // Autoconnect chain has been fully iterated; start at the beginning on the
 242         // next AutoConnectServers run
 243         a->position = -1;
 244 }
 245
 246 void ModuleSpanningTree::ConnectServer(Link* x, Autoconnect* y)
 247 {
 248         bool ipvalid = true;
 249
 250         if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name)))
 251         {
 252                 ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
 253                 return;
 254         }
 255
 256         QueryType start_type = DNS_QUERY_A;
 257         start_type = DNS_QUERY_AAAA;
 258         if (strchr(x->IPAddr.c_str(),':'))
 259         {
 260                 in6_addr n;
 261                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 262                         ipvalid = false;
 263         }
 264         else
 265         {
 266                 in_addr n;
 267                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 268                         ipvalid = false;
 269         }
 270
 271         /* Do we already have an IP? If so, no need to resolve it. */
 272         if (ipvalid)
 273         {
 274                 /* Gave a hook, but it wasnt one we know */
 275                 TreeSocket* newsocket = new TreeSocket(Utils, x->IPAddr, x->Port, x->Timeout ? x->Timeout : 10,
 276                         x->Name.c_str(), x->Bind, y, x->Hook);
 277                 if (newsocket->GetFd() > -1)
 278                 {
 279                         /* Handled automatically on success */
 280                 }
 281                 else
 282                 {
 283                         ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
 284                                 x->Name.c_str(), newsocket->getError().c_str());
 285                         ServerInstance->GlobalCulls.AddItem(newsocket);
 286                 }
 287         }
 288         else
 289         {
 290                 try
 291                 {
 292                         bool cached;
 293                         ServernameResolver* snr = new ServernameResolver(Utils, x->IPAddr, x, cached, start_type, y);
 294                         ServerInstance->AddResolver(snr, cached);
 295                 }
 296                 catch (ModuleException& e)
 297                 {
 298                         ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 299                         ConnectServer(y, false);
 300                 }
 301         }
 302 }
 303
 304 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 305 {
 306         for (std::vector<reference<Autoconnect> >::iterator i = Utils->AutoconnectBlocks.begin(); i < Utils->AutoconnectBlocks.end(); ++i)
 307         {
 308                 Autoconnect* x = *i;
 309                 if (curtime >= x->NextConnectTime)
 310                 {
 311                         x->NextConnectTime = curtime + x->Period;
 312                         ConnectServer(x, true);
 313                 }
 314         }
 315 }
 316
 317 void ModuleSpanningTree::DoConnectTimeout(time_t curtime)
 318 {
 319         std::map<TreeSocket*, std::pair<std::string, int> >::iterator i = Utils->timeoutlist.begin();
 320         while (i != Utils->timeoutlist.end())
 321         {
 322                 TreeSocket* s = i->first;
 323                 std::pair<std::string, int> p = i->second;
 324                 std::map<TreeSocket*, std::pair<std::string, int> >::iterator me = i;
 325                 i++;
 326                 if (curtime > s->age + p.second)
 327                 {
 328                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002 (timeout of %d seconds)",p.first.c_str(),p.second);
 329                         Utils->timeoutlist.erase(me);
 330                         s->Close();
 331                         ServerInstance->GlobalCulls.AddItem(s);
 332                 }
 333         }
 334 }
 335
 336 ModResult ModuleSpanningTree::HandleVersion(const std::vector<std::string>& parameters, User* user)
 337 {
 338         // we've already checked if pcnt > 0, so this is safe
 339         TreeServer* found = Utils->FindServerMask(parameters[0]);
 340         if (found)
 341         {
 342                 std::string Version = found->GetVersion();
 343                 user->WriteNumeric(351, "%s :%s",user->nick.c_str(),Version.c_str());
 344                 if (found == Utils->TreeRoot)
 345                 {
 346                         ServerInstance->Config->Send005(user);
 347                 }
 348         }
 349         else
 350         {
 351                 user->WriteNumeric(402, "%s %s :No such server",user->nick.c_str(),parameters[0].c_str());
 352         }
 353         return MOD_RES_DENY;
 354 }
 355
 356 /* This method will attempt to get a message to a remote user.
 357  */
 358 void ModuleSpanningTree::RemoteMessage(User* user, const char* format, ...)
 359 {
 360         char text[MAXBUF];
 361         va_list argsPtr;
 362
 363         va_start(argsPtr, format);
 364         vsnprintf(text, MAXBUF, format, argsPtr);
 365         va_end(argsPtr);
 366
 367         if (IS_LOCAL(user))
 368                 user->WriteServ("NOTICE %s :%s", user->nick.c_str(), text);
 369         else
 370                 ServerInstance->PI->SendUserNotice(user, text);
 371 }
 372
 373 ModResult ModuleSpanningTree::HandleConnect(const std::vector<std::string>& parameters, User* user)
 374 {
 375         for (std::vector<reference<Link> >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); i++)
 376         {
 377                 Link* x = *i;
 378                 if (InspIRCd::Match(x->Name.c_str(),parameters[0]))
 379                 {
 380                         if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name)))
 381                         {
 382                                 RemoteMessage(user, "*** CONNECT: Server \002%s\002 is ME, not connecting.",x->Name.c_str());
 383                                 return MOD_RES_DENY;
 384                         }
 385
 386                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 387                         if (!CheckDupe)
 388                         {
 389                                 RemoteMessage(user, "*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
 390                                 ConnectServer(x);
 391                                 return MOD_RES_DENY;
 392                         }
 393                         else
 394                         {
 395                                 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());
 396                                 return MOD_RES_DENY;
 397                         }
 398                 }
 399         }
 400         RemoteMessage(user, "*** CONNECT: No server matching \002%s\002 could be found in the config file.",parameters[0].c_str());
 401         return MOD_RES_DENY;
 402 }
 403
 404 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 405 {
 406         TreeServer* s = Utils->FindServer(servername);
 407         if (s)
 408         {
 409                 description = s->GetDesc();
 410         }
 411 }
 412
 413 void ModuleSpanningTree::OnUserInvite(User* source,User* dest,Channel* channel, time_t expiry)
 414 {
 415         if (IS_LOCAL(source))
 416         {
 417                 parameterlist params;
 418                 params.push_back(dest->uuid);
 419                 params.push_back(channel->name);
 420                 params.push_back(ConvToStr(expiry));
 421                 Utils->DoOneToMany(source->uuid,"INVITE",params);
 422         }
 423 }
 424
 425 void ModuleSpanningTree::OnPostTopicChange(User* user, Channel* chan, const std::string &topic)
 426 {
 427         // Drop remote events on the floor.
 428         if (!IS_LOCAL(user))
 429                 return;
 430
 431         parameterlist params;
 432         params.push_back(chan->name);
 433         params.push_back(":"+topic);
 434         Utils->DoOneToMany(user->uuid,"TOPIC",params);
 435 }
 436
 437 void ModuleSpanningTree::OnWallops(User* user, const std::string &text)
 438 {
 439         if (IS_LOCAL(user))
 440         {
 441                 parameterlist params;
 442                 params.push_back(":"+text);
 443                 Utils->DoOneToMany(user->uuid,"WALLOPS",params);
 444         }
 445 }
 446
 447 void ModuleSpanningTree::OnUserNotice(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 448 {
 449         /* Server origin */
 450         if (user == NULL)
 451                 return;
 452
 453         if (target_type == TYPE_USER)
 454         {
 455                 User* d = (User*)dest;
 456                 if (!IS_LOCAL(d) && IS_LOCAL(user))
 457                 {
 458                         parameterlist params;
 459                         params.push_back(d->uuid);
 460                         params.push_back(":"+text);
 461                         Utils->DoOneToOne(user->uuid,"NOTICE",params,d->server);
 462                 }
 463         }
 464         else if (target_type == TYPE_CHANNEL)
 465         {
 466                 if (IS_LOCAL(user))
 467                 {
 468                         Channel *c = (Channel*)dest;
 469                         if (c)
 470                         {
 471                                 std::string cname = c->name;
 472                                 if (status)
 473                                         cname = status + cname;
 474                                 TreeServerList list;
 475                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 476                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 477                                 {
 478                                         TreeSocket* Sock = i->second->GetSocket();
 479                                         if (Sock)
 480                                                 Sock->WriteLine(":"+std::string(user->uuid)+" NOTICE "+cname+" :"+text);
 481                                 }
 482                         }
 483                 }
 484         }
 485         else if (target_type == TYPE_SERVER)
 486         {
 487                 if (IS_LOCAL(user))
 488                 {
 489                         char* target = (char*)dest;
 490                         parameterlist par;
 491                         par.push_back(target);
 492                         par.push_back(":"+text);
 493                         Utils->DoOneToMany(user->uuid,"NOTICE",par);
 494                 }
 495         }
 496 }
 497
 498 void ModuleSpanningTree::OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 499 {
 500         /* Server origin */
 501         if (user == NULL)
 502                 return;
 503
 504         if (target_type == TYPE_USER)
 505         {
 506                 // route private messages which are targetted at clients only to the server
 507                 // which needs to receive them
 508                 User* d = (User*)dest;
 509                 if (!IS_LOCAL(d) && (IS_LOCAL(user)))
 510                 {
 511                         parameterlist params;
 512                         params.push_back(d->uuid);
 513                         params.push_back(":"+text);
 514                         Utils->DoOneToOne(user->uuid,"PRIVMSG",params,d->server);
 515                 }
 516         }
 517         else if (target_type == TYPE_CHANNEL)
 518         {
 519                 if (IS_LOCAL(user))
 520                 {
 521                         Channel *c = (Channel*)dest;
 522                         if (c)
 523                         {
 524                                 std::string cname = c->name;
 525                                 if (status)
 526                                         cname = status + cname;
 527                                 TreeServerList list;
 528                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 529                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 530                                 {
 531                                         TreeSocket* Sock = i->second->GetSocket();
 532                                         if (Sock)
 533                                                 Sock->WriteLine(":"+std::string(user->uuid)+" PRIVMSG "+cname+" :"+text);
 534                                 }
 535                         }
 536                 }
 537         }
 538         else if (target_type == TYPE_SERVER)
 539         {
 540                 if (IS_LOCAL(user))
 541                 {
 542                         char* target = (char*)dest;
 543                         parameterlist par;
 544                         par.push_back(target);
 545                         par.push_back(":"+text);
 546                         Utils->DoOneToMany(user->uuid,"PRIVMSG",par);
 547                 }
 548         }
 549 }
 550
 551 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 552 {
 553         AutoConnectServers(curtime);
 554         DoPingChecks(curtime);
 555         DoConnectTimeout(curtime);
 556 }
 557
 558 void ModuleSpanningTree::OnUserConnect(LocalUser* user)
 559 {
 560         if (user->quitting)
 561                 return;
 562
 563         parameterlist params;
 564         params.push_back(user->uuid);
 565         params.push_back(ConvToStr(user->age));
 566         params.push_back(user->nick);
 567         params.push_back(user->host);
 568         params.push_back(user->dhost);
 569         params.push_back(user->ident);
 570         params.push_back(user->GetIPString());
 571         params.push_back(ConvToStr(user->signon));
 572         params.push_back("+"+std::string(user->FormatModes(true)));
 573         params.push_back(":"+std::string(user->fullname));
 574         Utils->DoOneToMany(ServerInstance->Config->GetSID(), "UID", params);
 575
 576         for(Extensible::ExtensibleStore::const_iterator i = user->GetExtList().begin(); i != user->GetExtList().end(); i++)
 577         {
 578                 ExtensionItem* item = i->first;
 579                 std::string value = item->serialize(FORMAT_NETWORK, user, i->second);
 580                 if (!value.empty())
 581                         ServerInstance->PI->SendMetaData(user, item->name, value);
 582         }
 583
 584         Utils->TreeRoot->SetUserCount(1); // increment by 1
 585 }
 586
 587 void ModuleSpanningTree::OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts)
 588 {
 589         // Only do this for local users
 590         if (IS_LOCAL(memb->user))
 591         {
 592                 parameterlist params;
 593                 // set up their permissions and the channel TS with FJOIN.
 594                 // All users are FJOINed now, because a module may specify
 595                 // new joining permissions for the user.
 596                 params.push_back(memb->chan->name);
 597                 params.push_back(ConvToStr(memb->chan->age));
 598                 params.push_back(std::string("+") + memb->chan->ChanModes(true));
 599                 params.push_back(memb->modes+","+std::string(memb->user->uuid));
 600                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FJOIN",params);
 601         }
 602 }
 603
 604 void ModuleSpanningTree::OnChangeHost(User* user, const std::string &newhost)
 605 {
 606         if (user->registered != REG_ALL || !IS_LOCAL(user))
 607                 return;
 608
 609         parameterlist params;
 610         params.push_back(newhost);
 611         Utils->DoOneToMany(user->uuid,"FHOST",params);
 612 }
 613
 614 void ModuleSpanningTree::OnChangeName(User* user, const std::string &gecos)
 615 {
 616         if (user->registered != REG_ALL || !IS_LOCAL(user))
 617                 return;
 618
 619         parameterlist params;
 620         params.push_back(gecos);
 621         Utils->DoOneToMany(user->uuid,"FNAME",params);
 622 }
 623
 624 void ModuleSpanningTree::OnChangeIdent(User* user, const std::string &ident)
 625 {
 626         // only occurs for local clients
 627         if (user->registered != REG_ALL)
 628                 return;
 629
 630         parameterlist params;
 631         params.push_back(ident);
 632         Utils->DoOneToMany(user->uuid,"FIDENT",params);
 633 }
 634
 635 void ModuleSpanningTree::OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts)
 636 {
 637         if (IS_LOCAL(memb->user))
 638         {
 639                 parameterlist params;
 640                 params.push_back(memb->chan->name);
 641                 if (!partmessage.empty())
 642                         params.push_back(":"+partmessage);
 643                 Utils->DoOneToMany(memb->user->uuid,"PART",params);
 644         }
 645 }
 646
 647 void ModuleSpanningTree::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 648 {
 649         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
 650         {
 651                 parameterlist params;
 652
 653                 if (oper_message != reason)
 654                 {
 655                         params.push_back(":"+oper_message);
 656                         Utils->DoOneToMany(user->uuid,"OPERQUIT",params);
 657                 }
 658                 params.clear();
 659                 params.push_back(":"+reason);
 660                 Utils->DoOneToMany(user->uuid,"QUIT",params);
 661         }
 662
 663         // Regardless, We need to modify the user Counts..
 664         TreeServer* SourceServer = Utils->FindServer(user->server);
 665         if (SourceServer)
 666         {
 667                 SourceServer->SetUserCount(-1); // decrement by 1
 668         }
 669 }
 670
 671 void ModuleSpanningTree::OnUserPostNick(User* user, const std::string &oldnick)
 672 {
 673         if (IS_LOCAL(user))
 674         {
 675                 parameterlist params;
 676                 params.push_back(user->nick);
 677
 678                 /** IMPORTANT: We don't update the TS if the oldnick is just a case change of the newnick!
 679                  */
 680                 if (irc::string(user->nick.c_str()) != assign(oldnick))
 681                         user->age = ServerInstance->Time();
 682
 683                 params.push_back(ConvToStr(user->age));
 684                 Utils->DoOneToMany(user->uuid,"NICK",params);
 685         }
 686         else if (!loopCall && user->nick == user->uuid)
 687         {
 688                 parameterlist params;
 689                 params.push_back(user->uuid);
 690                 params.push_back(ConvToStr(user->age));
 691                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"SAVE",params);
 692         }
 693 }
 694
 695 void ModuleSpanningTree::OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& excepts)
 696 {
 697         parameterlist params;
 698         params.push_back(memb->chan->name);
 699         params.push_back(memb->user->uuid);
 700         params.push_back(":"+reason);
 701         if (IS_LOCAL(source))
 702         {
 703                 Utils->DoOneToMany(source->uuid,"KICK",params);
 704         }
 705         else if (source == ServerInstance->FakeClient)
 706         {
 707                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"KICK",params);
 708         }
 709 }
 710
 711 void ModuleSpanningTree::OnRemoteKill(User* source, User* dest, const std::string &reason, const std::string &operreason)
 712 {
 713         if (!IS_LOCAL(source))
 714                 return; // Only start routing if we're origin.
 715
 716         ServerInstance->OperQuit.set(dest, operreason);
 717         parameterlist params;
 718         params.push_back(":"+operreason);
 719         Utils->DoOneToMany(dest->uuid,"OPERQUIT",params);
 720         params.clear();
 721         params.push_back(dest->uuid);
 722         params.push_back(":"+reason);
 723         Utils->DoOneToMany(source->uuid,"KILL",params);
 724 }
 725
 726 void ModuleSpanningTree::OnPreRehash(User* user, const std::string &parameter)
 727 {
 728         ServerInstance->Logs->Log("remoterehash", DEBUG, "called with param %s", parameter.c_str());
 729
 730         // Send out to other servers
 731         if (!parameter.empty() && parameter[0] != '-')
 732         {
 733                 parameterlist params;
 734                 params.push_back(parameter);
 735                 Utils->DoOneToAllButSender(user ? user->uuid : ServerInstance->Config->GetSID(), "REHASH", params, user ? user->server : ServerInstance->Config->ServerName);
 736         }
 737 }
 738
 739 void ModuleSpanningTree::OnRehash(User* user)
 740 {
 741         // Re-read config stuff
 742         Utils->ReadConfiguration();
 743 }
 744
 745 void ModuleSpanningTree::OnLoadModule(Module* mod)
 746 {
 747         // TODO notify other servers?
 748 }
 749
 750 void ModuleSpanningTree::OnUnloadModule(Module* mod)
 751 {
 752         // TODO notify other servers?
 753 }
 754
 755 void ModuleSpanningTree::RedoConfig(Module* mod)
 756 {
 757 }
 758
 759 // note: the protocol does not allow direct umode +o except
 760 // via NICK with 8 params. sending OPERTYPE infers +o modechange
 761 // locally.
 762 void ModuleSpanningTree::OnOper(User* user, const std::string &opertype)
 763 {
 764         if (IS_LOCAL(user))
 765         {
 766                 parameterlist params;
 767                 params.push_back(opertype);
 768                 Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
 769         }
 770 }
 771
 772 void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
 773 {
 774         if (!x->IsBurstable() || loopCall)
 775                 return;
 776
 777         char data[MAXBUF];
 778         snprintf(data,MAXBUF,"%s %s %s %lu %lu :%s", x->type.c_str(), x->Displayable(),
 779         ServerInstance->Config->ServerName.c_str(), (unsigned long)x->set_time, (unsigned long)x->duration, x->reason.c_str());
 780         parameterlist params;
 781         params.push_back(data);
 782
 783         if (!user)
 784         {
 785                 /* Server-set lines */
 786                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "ADDLINE", params);
 787         }
 788         else if (IS_LOCAL(user))
 789         {
 790                 /* User-set lines */
 791                 Utils->DoOneToMany(user->uuid, "ADDLINE", params);
 792         }
 793 }
 794
 795 void ModuleSpanningTree::OnDelLine(User* user, XLine *x)
 796 {
 797         if (x->type == "K")
 798                 return;
 799
 800         char data[MAXBUF];
 801         snprintf(data,MAXBUF,"%s %s", x->type.c_str(), x->Displayable());
 802         parameterlist params;
 803         params.push_back(data);
 804
 805         if (!user)
 806         {
 807                 /* Server-unset lines */
 808                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "DELLINE", params);
 809         }
 810         else if (IS_LOCAL(user))
 811         {
 812                 /* User-unset lines */
 813                 Utils->DoOneToMany(user->uuid, "DELLINE", params);
 814         }
 815 }
 816
 817 void ModuleSpanningTree::OnMode(User* user, void* dest, int target_type, const parameterlist &text, const std::vector<TranslateType> &translate)
 818 {
 819         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
 820         {
 821                 parameterlist params;
 822                 std::string command;
 823                 std::string output_text;
 824
 825                 ServerInstance->Parser->TranslateUIDs(translate, text, output_text);
 826
 827                 if (target_type == TYPE_USER)
 828                 {
 829                         User* u = (User*)dest;
 830                         params.push_back(u->uuid);
 831                         params.push_back(output_text);
 832                         command = "MODE";
 833                 }
 834                 else
 835                 {
 836                         Channel* c = (Channel*)dest;
 837                         params.push_back(c->name);
 838                         params.push_back(ConvToStr(c->age));
 839                         params.push_back(output_text);
 840                         command = "FMODE";
 841                 }
 842
 843                 Utils->DoOneToMany(user->uuid, command, params);
 844         }
 845 }
 846
 847 ModResult ModuleSpanningTree::OnSetAway(User* user, const std::string &awaymsg)
 848 {
 849         if (IS_LOCAL(user))
 850         {
 851                 if (awaymsg.empty())
 852                 {
 853                         parameterlist params;
 854                         Utils->DoOneToMany(user->uuid,"AWAY",params);
 855                 }
 856                 else
 857                 {
 858                         parameterlist params;
 859                         params.push_back(ConvToStr(user->awaytime));
 860                         params.push_back(":" + awaymsg);
 861                         Utils->DoOneToMany(user->uuid,"AWAY",params);
 862                 }
 863         }
 864
 865         return MOD_RES_PASSTHRU;
 866 }
 867
 868 void ModuleSpanningTree::ProtoSendMode(void* opaque, TargetTypeFlags target_type, void* target, const parameterlist &modeline, const std::vector<TranslateType> &translate)
 869 {
 870         TreeSocket* s = (TreeSocket*)opaque;
 871         std::string output_text;
 872
 873         ServerInstance->Parser->TranslateUIDs(translate, modeline, output_text);
 874
 875         if (target)
 876         {
 877                 if (target_type == TYPE_USER)
 878                 {
 879                         User* u = (User*)target;
 880                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" MODE "+u->uuid+" "+output_text);
 881                 }
 882                 else if (target_type == TYPE_CHANNEL)
 883                 {
 884                         Channel* c = (Channel*)target;
 885                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
 886                 }
 887         }
 888 }
 889
 890 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, Extensible* target, const std::string &extname, const std::string &extdata)
 891 {
 892         TreeSocket* s = static_cast<TreeSocket*>(opaque);
 893         User* u = dynamic_cast<User*>(target);
 894         Channel* c = dynamic_cast<Channel*>(target);
 895         if (u)
 896                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
 897         else if (c)
 898                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
 899         else if (!target)
 900                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
 901 }
 902
 903 CullResult ModuleSpanningTree::cull()
 904 {
 905         Utils->cull();
 906         ServerInstance->Timers->DelTimer(RefreshTimer);
 907         return this->Module::cull();
 908 }
 909
 910 ModuleSpanningTree::~ModuleSpanningTree()
 911 {
 912         delete ServerInstance->PI;
 913         ServerInstance->PI = new ProtocolInterface;
 914
 915         /* This will also free the listeners */
 916         delete Utils;
 917
 918         delete commands;
 919 }
 920
 921 Version ModuleSpanningTree::GetVersion()
 922 {
 923         return Version("Allows servers to be linked", VF_VENDOR);
 924 }
 925
 926 /* It is IMPORTANT that m_spanningtree is the last module in the chain
 927  * so that any activity it sees is FINAL, e.g. we arent going to send out
 928  * a NICK message before m_cloaking has finished putting the +x on the user,
 929  * etc etc.
 930  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
 931  * the module call queue.
 932  */
 933 void ModuleSpanningTree::Prioritize()
 934 {
 935         ServerInstance->Modules->SetPriority(this, PRIORITY_LAST);
 936 }
 937
 938 MODULE_INIT(ModuleSpanningTree)