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