src/modules/m_spanningtree/treesocket2.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 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 #include "inspircd.h"
  15 #include "commands/cmd_whois.h"
  16 #include "commands/cmd_stats.h"
  17 #include "socket.h"
  18 #include "xline.h"
  19 #include "transport.h"
  20 #include "socketengine.h"
  21
  22 #include "m_spanningtree/main.h"
  23 #include "m_spanningtree/utils.h"
  24 #include "m_spanningtree/treeserver.h"
  25 #include "m_spanningtree/link.h"
  26 #include "m_spanningtree/treesocket.h"
  27 #include "m_spanningtree/resolvers.h"
  28 #include "m_spanningtree/handshaketimer.h"
  29
  30 /* $ModDep: m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/handshaketimer.h */
  31
  32 void TreeSocket::WriteLine(std::string line)
  33 {
  34         ServerInstance->Logs->Log("m_spanningtree",DEBUG, "S[%d] O %s", this->GetFd(), line.c_str());
  35         line.append("\r\n");
  36         this->Write(line);
  37 }
  38
  39
  40 /* Handle ERROR command */
  41 bool TreeSocket::Error(std::deque<std::string> &params)
  42 {
  43         if (params.size() < 1)
  44                 return false;
  45         this->ServerInstance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(!InboundServerName.empty() ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
  46         /* we will return false to cause the socket to close. */
  47         return false;
  48 }
  49
  50 void TreeSocket::Split(const std::string &line, std::deque<std::string> &n)
  51 {
  52         n.clear();
  53         irc::tokenstream tokens(line);
  54         std::string param;
  55         while (tokens.GetToken(param))
  56         {
  57                 n.push_back(param);
  58         }
  59         return;
  60 }
  61
  62 bool TreeSocket::ProcessLine(std::string &line)
  63 {
  64         std::deque<std::string> params;
  65         irc::string command;
  66         std::string prefix;
  67
  68         line = line.substr(0, line.find_first_of("\r\n"));
  69
  70         if (line.empty())
  71                 return true;
  72
  73         ServerInstance->Logs->Log("m_spanningtree",DEBUG, "S[%d] I %s", this->GetFd(), line.c_str());
  74
  75         this->Split(line.c_str(),params);
  76
  77         if (params.empty())
  78                 return true;
  79
  80         if ((params[0][0] == ':') && (params.size() > 1))
  81         {
  82                 prefix = params[0].substr(1);
  83                 params.pop_front();
  84
  85                 if (prefix.empty())
  86                 {
  87                         this->SendError("BUG (?) Empty prefix recieved.");
  88                         return false;
  89                 }
  90         }
  91
  92         command = params[0].c_str();
  93         params.pop_front();
  94
  95         switch (this->LinkState)
  96         {
  97                 TreeServer* Node;
  98
  99                 case WAIT_AUTH_1:
 100                         /*
 101                          * State WAIT_AUTH_1:
 102                          *  Waiting for SERVER command from remote server. Server initiating
 103                          *  the connection sends the first SERVER command, listening server
 104                          *  replies with theirs if its happy, then if the initiator is happy,
 105                          *  it starts to send its net sync, which starts the merge, otherwise
 106                          *  it sends an ERROR.
 107                          */
 108                         if (command == "PASS")
 109                         {
 110                                 /*
 111                                  * Ignore this silently. Some services packages insist on sending PASS, even
 112                                  * when it is not required (i.e. by us). We have to ignore this here, otherwise
 113                                  * as it's an unknown command (effectively), it will cause the connection to be
 114                                  * closed, which probably isn't what people want. -- w00t
 115                                  */
 116                         }
 117                         else if (command == "SERVER")
 118                         {
 119                                 return this->Inbound_Server(params);
 120                         }
 121                         else if (command == "ERROR")
 122                         {
 123                                 return this->Error(params);
 124                         }
 125                         else if (command == "USER")
 126                         {
 127                                 this->SendError("Client connections to this port are prohibited.");
 128                                 return false;
 129                         }
 130                         else if (command == "CAPAB")
 131                         {
 132                                 return this->Capab(params);
 133                         }
 134                         else
 135                         {
 136                                 // XXX ...wtf.
 137                                 irc::string error = "Invalid command in negotiation phase: " + command;
 138                                 this->SendError(assign(error));
 139                                 return false;
 140                         }
 141                 break;
 142                 case WAIT_AUTH_2:
 143                         /*
 144                          * State WAIT_AUTH_2:
 145                          *  We have sent SERVER to the other side of the connection. Now we're waiting for them to start BURST.
 146                          *  The other option at this stage of things, of course, is for them to close our connection thanks
 147                          *  to invalid credentials.. -- w
 148                          */
 149                         if (command == "SERVER")
 150                         {
 151                                 /*
 152                                  * Connection is either attempting to re-auth itself (stupid) or sending netburst without sending BURST.
 153                                  * Both of these aren't allowable, so block them here. -- w
 154                                  */
 155                                 this->SendError("You may not re-authenticate or commence netburst without sending BURST.");
 156                                 return true;
 157                         }
 158                         else if (command == "BURST")
 159                         {
 160                                 if (params.size())
 161                                 {
 162                                         time_t them = atoi(params[0].c_str());
 163                                         time_t delta = them - ServerInstance->Time();
 164                                         if ((delta < -600) || (delta > 600))
 165                                         {
 166                                                 ServerInstance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than five minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs((long)delta));
 167                                                 SendError("Your clocks are out by "+ConvToStr(abs((long)delta))+" seconds (this is more than five minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!");
 168                                                 return false;
 169                                         }
 170                                         else if ((delta < -30) || (delta > 30))
 171                                         {
 172                                                 ServerInstance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds. Please consider synching your clocks.", abs((long)delta));
 173                                         }
 174                                 }
 175                                 this->LinkState = CONNECTED;
 176
 177                                 Utils->timeoutlist.erase(this);
 178
 179                                 Link* lnk = Utils->FindLink(InboundServerName);
 180
 181                                 Node = new TreeServer(this->Utils, this->ServerInstance, InboundServerName, InboundDescription, InboundSID, Utils->TreeRoot, this, lnk ? lnk->Hidden : false);
 182
 183                                 Utils->TreeRoot->AddChild(Node);
 184                                 parameterlist sparams;
 185                                 sparams.push_back(InboundServerName);
 186                                 sparams.push_back("*");
 187                                 sparams.push_back("1");
 188                                 sparams.push_back(InboundSID);
 189                                 sparams.push_back(":"+InboundDescription);
 190                                 Utils->DoOneToAllButSender(ServerInstance->Config->GetSID(),"SERVER",sparams,InboundServerName);
 191                                 Utils->DoOneToAllButSenderRaw(line, InboundServerName, prefix, command, params);
 192                                 Node->bursting = true;
 193                                 this->DoBurst(Node);
 194                         }
 195                         else if (command == "ERROR")
 196                         {
 197                                 return this->Error(params);
 198                         }
 199                         else if (command == "CAPAB")
 200                         {
 201                                 return this->Capab(params);
 202                         }
 203
 204                 break;
 205                 case CONNECTING:
 206                         /*
 207                          * State CONNECTING:
 208                          *  We're connecting (OUTGOING) to another server. They are in state WAIT_AUTH_1 until they verify
 209                          *  our credentials, when they proceed into WAIT_AUTH_2 and send SERVER to us. We then send BURST
 210                          *  + our netburst, which will put them into CONNECTED state. -- w
 211                          */
 212                         if (command == "SERVER")
 213                         {
 214                                 // Our credentials have been accepted, send netburst. (this puts US into the CONNECTED state)
 215                                 return this->Outbound_Reply_Server(params);
 216                         }
 217                         else if (command == "ERROR")
 218                         {
 219                                 return this->Error(params);
 220                         }
 221                         else if (command == "CAPAB")
 222                         {
 223                                 return this->Capab(params);
 224                         }
 225                 break;
 226                 case CONNECTED:
 227                         /*
 228                         * State CONNECTED:
 229                          *  Credentials have been exchanged, we've gotten their 'BURST' (or sent ours).
 230                          *  Anything from here on should be accepted a little more reasonably.
 231                          */
 232                         if (!prefix.empty())
 233                         {
 234                                 /*
 235                                  * Check for fake direction here, and drop any instances that are found.
 236                                  * What is fake direction? Imagine the following server setup:
 237                                  *    0AA <-> 0AB <-> 0AC
 238                                  * Fake direction would be 0AC sending a message to 0AB claiming to be from
 239                                  * 0AA, or something similar. Basically, a message taking a path that *cannot*
 240                                  * be correct.
 241                                  *
 242                                  * When would this be seen?
 243                                  * Well, hopefully never. It could be caused by race conditions, bugs, or
 244                                  * "miscreant" servers, though, so let's check anyway. -- w
 245                                  *
 246                                  * We also check here for totally invalid prefixes (prefixes that are neither
 247                                  * a valid SID or a valid UUID, so that invalid UUID or SID never makes it
 248                                  * to the higher level functions. -- B
 249                                  */
 250                                 std::string direction = prefix;
 251
 252                                 User *t = this->ServerInstance->FindUUID(prefix);
 253                                 if (t)
 254                                 {
 255                                         /* Find UID */
 256                                         direction = t->server;
 257                                 }
 258                                 else if (!this->Utils->FindServer(direction))
 259                                 {
 260                                         /* Find SID */
 261                                         ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Protocol violation: Invalid prefix '%s' from connection '%s'", direction.c_str(), this->GetName().c_str());
 262                                         return true;
 263                                 }
 264
 265                                 TreeServer* route_back_again = Utils->BestRouteTo(direction);
 266                                 if ((!route_back_again) || (route_back_again->GetSocket() != this))
 267                                 {
 268                                         if (route_back_again)
 269                                                 ServerInstance->Logs->Log("m_spanningtree",DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
 270                                         return true;
 271                                 }
 272                                 /* Fix by brain:
 273                                  * When there is activity on the socket, reset the ping counter so
 274                                  * that we're not wasting bandwidth pinging an active server.
 275                                  */
 276                                 route_back_again->SetNextPingTime(ServerInstance->Time() + Utils->PingFreq);
 277                                 route_back_again->SetPingFlag();
 278                         }
 279                         else
 280                         {
 281                                 /*
 282                                  * Empty prefix from a server to server link:
 283                                  *  This is somewhat bad/naughty, so let's set the prefix
 284                                  *  to be the link that we got it from, so we don't break anything. -- w
 285                                  */
 286                                 TreeServer* n = Utils->FindServer(GetName());
 287                                 if (n)
 288                                         prefix = n->GetID();
 289                                 else
 290                                         prefix = GetName();
 291                         }
 292
 293                         /*
 294                          * First up, check for any malformed commands (e.g. MODE without a timestamp)
 295                          * and rewrite commands where necessary (SVSMODE -> MODE for services). -- w
 296                          */
 297                         if (command == "SVSMODE") // This isn't in an "else if" so we still force FMODE for changes on channels.
 298                                 command = "MODE";
 299
 300                         /*
 301                          * Now, check for (and parse) commands as appropriate. -- w
 302                          */
 303
 304                         /* Find the server that this command originated from, used in the handlers below */
 305                         TreeServer *ServerSource = Utils->FindServer(prefix);
 306
 307                         /* Find the link we just got this from so we don't bounce it back incorrectly */
 308                         std::string sourceserv = this->myhost;
 309                         if (!this->InboundServerName.empty())
 310                         {
 311                                 sourceserv = this->InboundServerName;
 312                         }
 313
 314                         /*
 315                          * XXX one of these days, this needs to be moved into class Commands.
 316                          */
 317                         if (command == "UID")
 318                         {
 319                                 return this->ParseUID(prefix, params);
 320                         }
 321                         else if (command == "FJOIN")
 322                         {
 323                                 return this->ForceJoin(prefix,params);
 324                         }
 325                         else if ((command == "NOTICE" || command == "PRIVMSG") && (Utils->IsServer(prefix)))
 326                         {
 327                                 return this->ServerMessage(assign(command), prefix, params, sourceserv);
 328                         }
 329                         else if (command == "STATS")
 330                         {
 331                                 return this->Stats(prefix, params);
 332                         }
 333                         else if (command == "MOTD")
 334                         {
 335                                 return this->Motd(prefix, params);
 336                         }
 337                         else if (command == "KILL" && ServerSource)
 338                         {
 339                                 // Kill from a server
 340                                 return this->RemoteKill(prefix,params);
 341                         }
 342                         else if (command == "MODULES")
 343                         {
 344                                 return this->Modules(prefix, params);
 345                         }
 346                         else if (command == "ADMIN")
 347                         {
 348                                 return this->Admin(prefix, params);
 349                         }
 350                         else if (command == "MAP")
 351                         {
 352                                 User* user = ServerInstance->FindNick(prefix);
 353                                 if (user)
 354                                 {
 355                                         std::vector<std::string> p(params.begin(), params.end());
 356                                         return Utils->Creator->HandleMap(p, user);
 357                                 }
 358                         }
 359                         else if (command == "SERVER")
 360                         {
 361                                 return this->RemoteServer(prefix,params);
 362                         }
 363                         else if (command == "ERROR")
 364                         {
 365                                 return this->Error(params);
 366                         }
 367                         else if (command == "OPERTYPE")
 368                         {
 369                                 return this->OperType(prefix,params);
 370                         }
 371                         else if (command == "FMODE")
 372                         {
 373                                 return this->ForceMode(prefix,params);
 374                         }
 375                         else if (command == "FTOPIC")
 376                         {
 377                                 return this->ForceTopic(prefix,params);
 378                         }
 379                         else if (command == "METADATA")
 380                         {
 381                                 return this->MetaData(prefix,params);
 382                         }
 383                         else if (command == "PING")
 384                         {
 385                                 return this->LocalPing(prefix,params);
 386                         }
 387                         else if (command == "PONG")
 388                         {
 389                                 TreeServer *s = Utils->FindServer(prefix);
 390                                 if (s && s->bursting)
 391                                 {
 392                                         ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not finished burst, forcing end of burst (send ENDBURST!)", prefix.c_str());
 393                                         s->FinishBurst();
 394                                 }
 395                                 return this->LocalPong(prefix,params);
 396                         }
 397                         else if (command == "VERSION")
 398                         {
 399                                 return this->ServerVersion(prefix,params);
 400                         }
 401                         else if (command == "FHOST")
 402                         {
 403                                 return this->ChangeHost(prefix,params);
 404                         }
 405                         else if (command == "FNAME")
 406                         {
 407                                 return this->ChangeName(prefix,params);
 408                         }
 409                         else if (command == "ADDLINE")
 410                         {
 411                                 return this->AddLine(prefix,params);
 412                         }
 413                         else if (command == "DELLINE")
 414                         {
 415                                 return this->DelLine(prefix,params);
 416                         }
 417                         else if (command == "SVSNICK")
 418                         {
 419                                 return this->ForceNick(prefix,params);
 420                         }
 421                         else if (command == "OPERQUIT")
 422                         {
 423                                 return this->OperQuit(prefix,params);
 424                         }
 425                         else if (command == "IDLE")
 426                         {
 427                                 return this->Whois(prefix,params);
 428                         }
 429                         else if (command == "PUSH")
 430                         {
 431                                 return this->Push(prefix,params);
 432                         }
 433                         else if (command == "TIME")
 434                         {
 435                                 return this->Time(prefix,params);
 436                         }
 437                         else if ((command == "KICK") && (Utils->IsServer(prefix)))
 438                         {
 439                                 if (params.size() == 3)
 440                                 {
 441                                         TreeServer* pf = Utils->FindServer(prefix);
 442                                         if (pf)
 443                                         {
 444                                                 irc::commasepstream nicks(params[1]);
 445                                                 std::string nick;
 446                                                 Channel* chan = this->ServerInstance->FindChan(params[0]);
 447                                                 if (chan)
 448                                                 {
 449                                                         while (nicks.GetToken(nick))
 450                                                         {
 451                                                                 User* user = this->ServerInstance->FindNick(nick);
 452                                                                 if (user)
 453                                                                 {
 454                                                                         if (!chan->ServerKickUser(user, params[2].c_str(), false, pf->GetName().c_str()))
 455                                                                                 /* Yikes, the channels gone! */
 456                                                                                 delete chan;
 457                                                                 }
 458                                                         }
 459                                                 }
 460                                         }
 461                                 }
 462
 463                                 return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
 464                         }
 465                         else if (command == "SVSJOIN")
 466                         {
 467                                 return this->ServiceJoin(prefix,params);
 468                         }
 469                         else if (command == "SVSPART")
 470                         {
 471                                 return this->ServicePart(prefix,params);
 472                         }
 473                         else if (command == "SQUIT")
 474                         {
 475                                 if (params.size() == 2)
 476                                 {
 477                                         this->Squit(Utils->FindServer(params[0]),params[1]);
 478                                 }
 479                                 return true;
 480                         }
 481                         else if (command == "MODENOTICE")
 482                         {
 483                                 if (params.size() >= 2)
 484                                 {
 485                                         if (ServerSource)
 486                                                 ServerInstance->Users->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()), params[1].c_str());
 487                                 }
 488                                 return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
 489                         }
 490                         else if (command == "SNONOTICE")
 491                         {
 492                                 if (params.size() >= 2)
 493                                 {
 494                                         std::string oldprefix;
 495                                         if (!ServerSource)
 496                                         {
 497                                                 oldprefix = prefix;
 498                                                 User *u = ServerInstance->FindNick(prefix);
 499                                                 if (!u)
 500                                                         return true;
 501                                                 prefix = u->nick;
 502                                         }
 503
 504                                         ServerInstance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + (ServerSource ? ServerSource->GetName().c_str() : prefix) + ": "+ params[1]);
 505                                         prefix = oldprefix;
 506                                         return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
 507                                 }
 508
 509                         }
 510                         else if (command == "BURST")
 511                         {
 512                                 // Set prefix server as bursting
 513                                 if (!ServerSource)
 514                                 {
 515                                         this->ServerInstance->SNO->WriteToSnoMask('l', "WTF: Got BURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
 516                                         return false;
 517                                 }
 518
 519                                 ServerSource->bursting = true;
 520                                 return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
 521                         }
 522                         else if (command == "ENDBURST")
 523                         {
 524                                 if (!ServerSource)
 525                                 {
 526                                         this->ServerInstance->SNO->WriteToSnoMask('l', "WTF: Got ENDBURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
 527                                         return false;
 528                                 }
 529
 530                                 ServerSource->FinishBurst();
 531                                 return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
 532                         }
 533                         else if (command == "ENCAP")
 534                         {
 535                                 return this->Encap(prefix, params);
 536                         }
 537                         else if (command == "MODE" && !this->ServerInstance->FindUUID(prefix)) // XXX we should check for no such serv?
 538                         {
 539                                 // Server-prefix MODE.
 540                                 std::vector<std::string> modelist(params.begin(), params.end());
 541
 542                                 /* We don't support this for channel mode changes any more! */
 543                                 if (params.size() >= 1)
 544                                 {
 545                                         if (ServerInstance->FindChan(params[0]))
 546                                         {
 547                                                 this->SendError("Protocol violation by '"+(ServerSource ? ServerSource->GetName().c_str() : prefix)+"'! MODE for channel mode changes is not supported by the InspIRCd 1.2 protocol. You must use FMODE to preserve channel timestamps.");
 548                                                 return false;
 549                                         }
 550                                 }
 551
 552                                 // Insert into the parser
 553                                 this->ServerInstance->SendMode(modelist, this->ServerInstance->FakeClient);
 554
 555                                 // Pass out to the network
 556                                 return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
 557                         }
 558                         else
 559                         {
 560                                 /*
 561                                  * Not a special s2s command. Emulate the user doing it.
 562                                  * This saves us having a huge ugly command parser again.
 563                                  */
 564                                 User* who = this->ServerInstance->FindUUID(prefix);
 565
 566                                 if (!who)
 567                                 {
 568                                         /* this looks ugly because command is an irc::string
 569                                          * It is important that we dont close the link here, unknown prefix can occur
 570                                          * due to various race conditions such as the KILL message for a user somehow
 571                                          * crossing the users QUIT further upstream from the server. Thanks jilles!
 572                                          */
 573                                         ServerInstance->Logs->Log("m_spanningtree", DEBUG, "Command " + std::string(command.c_str()) + " from unknown prefix " + prefix + "! Dropping entire command.");
 574                                         return true;
 575                                 }
 576
 577                                 if (command == "NICK")
 578                                 {
 579                                         if (params.size() != 2)
 580                                         {
 581                                                 SendError("Protocol violation: NICK message without TS - :"+std::string(who->uuid)+" NICK "+params[0]);
 582                                                 return false;
 583                                         }
 584                                         /* Update timestamp on user when they change nicks */
 585                                         who->age = atoi(params[1].c_str());
 586
 587                                         /*
 588                                          * On nick messages, check that the nick doesnt already exist here.
 589                                          * If it does, perform collision logic.
 590                                          */
 591                                         User* x = this->ServerInstance->FindNickOnly(params[0]);
 592                                         if ((x) && (x != who))
 593                                         {
 594                                                 int collideret = 0;
 595                                                 /* x is local, who is remote */
 596                                                 collideret = this->DoCollision(x, who->age, who->ident, who->GetIPString(), who->uuid);
 597                                                 if (collideret != 1)
 598                                                 {
 599                                                         /*
 600                                                          * Remote client lost, or both lost, parsing or passing on this
 601                                                          * nickchange would be pointless, as the incoming client's server will
 602                                                          * soon recieve SVSNICK to change its nick to its UID. :) -- w00t
 603                                                          */
 604                                                         return true;
 605                                                 }
 606                                         }
 607                                 }
 608
 609                                 // its a user
 610                                 std::vector<std::string> strparams(params.begin(), params.end());
 611
 612                                 switch (this->ServerInstance->CallCommandHandler(command.c_str(), strparams, who))
 613                                 {
 614                                         case CMD_INVALID:
 615                                                 /*
 616                                                  * XXX: command is irc::string, hence ugliness
 617                                                  */
 618                                                 this->SendError("Unrecognised or malformed command '" + std::string(command.c_str()) + "' -- possibly loaded mismatched modules");
 619                                                 return false;
 620                                                 break;
 621                                         case CMD_FAILURE:
 622                                                 /*
 623                                                  * CMD_LOCALONLY is aliased to CMD_FAILURE, so this won't go out onto the network.
 624                                                  */
 625                                                 return true;
 626                                                 break;
 627                                         default:
 628                                                 /* CMD_SUCCESS falls through here */
 629                                                 break;
 630                                 }
 631
 632                                 return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
 633
 634                         }
 635                         return true;
 636                         break; // end of state CONNECTED (phew).
 637         }
 638         return true;
 639 }
 640
 641 std::string TreeSocket::GetName()
 642 {
 643         std::string sourceserv = this->myhost;
 644         if (!this->InboundServerName.empty())
 645         {
 646                 sourceserv = this->InboundServerName;
 647         }
 648         return sourceserv;
 649 }
 650
 651 void TreeSocket::OnTimeout()
 652 {
 653         if (this->LinkState == CONNECTING)
 654         {
 655                 this->ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Connection to \002%s\002 timed out.", myhost.c_str());
 656                 Link* MyLink = Utils->FindLink(myhost);
 657                 if (MyLink)
 658                         Utils->DoFailOver(MyLink);
 659         }
 660 }
 661
 662 void TreeSocket::OnClose()
 663 {
 664         // Test fix for big fuckup
 665         if (this->LinkState != CONNECTED)
 666                 return;
 667
 668         // Connection closed.
 669         // If the connection is fully up (state CONNECTED)
 670         // then propogate a netsplit to all peers.
 671         std::string quitserver = this->myhost;
 672         if (!this->InboundServerName.empty())
 673         {
 674                 quitserver = this->InboundServerName;
 675         }
 676         TreeServer* s = Utils->FindServer(quitserver);
 677         if (s)
 678         {
 679                 Squit(s,"Remote host closed the connection");
 680         }
 681
 682         if (!quitserver.empty())
 683         {
 684                 this->ServerInstance->SNO->WriteToSnoMask('l', "Connection to '\2%s\2' failed.",quitserver.c_str());
 685
 686                 time_t server_uptime = ServerInstance->Time() - this->age;
 687                 if (server_uptime)
 688                                 this->ServerInstance->SNO->WriteToSnoMask('l', "Connection to '\2%s\2' was established for %s", quitserver.c_str(), Utils->Creator->TimeToStr(server_uptime).c_str());
 689         }
 690 }