src/modules/m_spanningtree/main.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/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 "commands/cmd_whois.h"
  18 #include "commands/cmd_stats.h"
  19 #include "socket.h"
  20 #include "wildcard.h"
  21 #include "xline.h"
  22 #include "transport.h"
  23
  24 #include "m_spanningtree/timesynctimer.h"
  25 #include "m_spanningtree/resolvers.h"
  26 #include "m_spanningtree/main.h"
  27 #include "m_spanningtree/utils.h"
  28 #include "m_spanningtree/treeserver.h"
  29 #include "m_spanningtree/link.h"
  30 #include "m_spanningtree/treesocket.h"
  31 #include "m_spanningtree/rconnect.h"
  32 #include "m_spanningtree/rsquit.h"
  33 #include "m_spanningtree/protocolinterface.h"
  34
  35 /* $ModDep: m_spanningtree/timesynctimer.h 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/rconnect.h m_spanningtree/rsquit.h m_spanningtree/protocolinterface.h */
  36
  37 ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me)
  38         : Module(Me), max_local(0), max_global(0)
  39 {
  40         ServerInstance->Modules->UseInterface("BufferedSocketHook");
  41         Utils = new SpanningTreeUtilities(ServerInstance, this);
  42         command_rconnect = new cmd_rconnect(ServerInstance, this, Utils);
  43         ServerInstance->AddCommand(command_rconnect);
  44         command_rsquit = new cmd_rsquit(ServerInstance, this, Utils);
  45         ServerInstance->AddCommand(command_rsquit);
  46         RefreshTimer = new CacheRefreshTimer(ServerInstance, Utils);
  47         ServerInstance->Timers->AddTimer(RefreshTimer);
  48
  49         Implementation eventlist[] =
  50         {
  51                 I_OnPreCommand, I_OnGetServerDescription, I_OnUserInvite, I_OnPostLocalTopicChange,
  52                 I_OnWallops, I_OnUserNotice, I_OnUserMessage, I_OnBackgroundTimer,
  53                 I_OnUserJoin, I_OnChangeHost, I_OnChangeName, I_OnUserPart, I_OnPostConnect,
  54                 I_OnUserQuit, I_OnUserPostNick, I_OnUserKick, I_OnRemoteKill, I_OnRehash,
  55                 I_OnOper, I_OnAddLine, I_OnDelLine, I_ProtoSendMode, I_OnMode,
  56                 I_OnStats, I_ProtoSendMetaData, I_OnEvent, I_OnSetAway, I_OnPostCommand
  57         };
  58         ServerInstance->Modules->Attach(eventlist, this, 28);
  59
  60         delete ServerInstance->PI;
  61         ServerInstance->PI = new SpanningTreeProtocolInterface(this, Utils, ServerInstance);
  62
  63         for (std::vector<User*>::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
  64         {
  65                 this->OnPostConnect((*i));
  66         }
  67 }
  68
  69 void ModuleSpanningTree::ShowLinks(TreeServer* Current, User* user, int hops)
  70 {
  71         std::string Parent = Utils->TreeRoot->GetName();
  72         if (Current->GetParent())
  73         {
  74                 Parent = Current->GetParent()->GetName();
  75         }
  76         for (unsigned int q = 0; q < Current->ChildCount(); q++)
  77         {
  78                 if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
  79                 {
  80                         if (*user->oper)
  81                         {
  82                                  ShowLinks(Current->GetChild(q),user,hops+1);
  83                         }
  84                 }
  85                 else
  86                 {
  87                         ShowLinks(Current->GetChild(q),user,hops+1);
  88                 }
  89         }
  90         /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
  91         if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user)))
  92                 return;
  93         /* Or if the server is hidden and they're not an oper */
  94         else if ((Current->Hidden) && (!IS_OPER(user)))
  95                 return;
  96
  97         user->WriteNumeric(364, "%s %s %s :%d %s",      user->nick,Current->GetName().c_str(),
  98                         (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(),
  99                         (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
 100                         Current->GetDesc().c_str());
 101 }
 102
 103 int ModuleSpanningTree::CountLocalServs()
 104 {
 105         return Utils->TreeRoot->ChildCount();
 106 }
 107
 108 int ModuleSpanningTree::CountServs()
 109 {
 110         return Utils->serverlist.size();
 111 }
 112
 113 void ModuleSpanningTree::HandleLinks(const char* const* parameters, int pcnt, User* user)
 114 {
 115         ShowLinks(Utils->TreeRoot,user,0);
 116         user->WriteNumeric(365, "%s * :End of /LINKS list.",user->nick);
 117         return;
 118 }
 119
 120 void ModuleSpanningTree::HandleLusers(const char* const* parameters, int pcnt, User* user)
 121 {
 122         unsigned int n_users = ServerInstance->Users->UserCount();
 123
 124         /* Only update these when someone wants to see them, more efficient */
 125         if ((unsigned int)ServerInstance->Users->LocalUserCount() > max_local)
 126                 max_local = ServerInstance->Users->LocalUserCount();
 127         if (n_users > max_global)
 128                 max_global = n_users;
 129
 130         unsigned int ulined_count = 0;
 131         unsigned int ulined_local_count = 0;
 132
 133         /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden,
 134          * locally and globally (locally means directly connected to us)
 135          */
 136         if ((Utils->HideULines) && (!*user->oper))
 137         {
 138                 for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++)
 139                 {
 140                         if (ServerInstance->ULine(q->second->GetName().c_str()))
 141                         {
 142                                 ulined_count++;
 143                                 if (q->second->GetParent() == Utils->TreeRoot)
 144                                         ulined_local_count++;
 145                         }
 146                 }
 147         }
 148         user->WriteNumeric(251, "%s :There are %d users and %d invisible on %d servers",user->nick,
 149                         n_users-ServerInstance->Users->ModeCount('i'),
 150                         ServerInstance->Users->ModeCount('i'),
 151                         ulined_count ? this->CountServs() - ulined_count : this->CountServs());
 152
 153         if (ServerInstance->Users->OperCount())
 154                 user->WriteNumeric(252, "%s %d :operator(s) online",user->nick,ServerInstance->Users->OperCount());
 155
 156         if (ServerInstance->Users->UnregisteredUserCount())
 157                 user->WriteNumeric(253, "%s %d :unknown connections",user->nick,ServerInstance->Users->UnregisteredUserCount());
 158
 159         if (ServerInstance->ChannelCount())
 160                 user->WriteNumeric(254, "%s %ld :channels formed",user->nick,ServerInstance->ChannelCount());
 161
 162         user->WriteNumeric(255, "%s :I have %d clients and %d servers",user->nick,ServerInstance->Users->LocalUserCount(),ulined_local_count ? this->CountLocalServs() - ulined_local_count : this->CountLocalServs());
 163         user->WriteNumeric(265, "%s :Current Local Users: %d  Max: %d",user->nick,ServerInstance->Users->LocalUserCount(),max_local);
 164         user->WriteNumeric(266, "%s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
 165         return;
 166 }
 167
 168 std::string ModuleSpanningTree::TimeToStr(time_t secs)
 169 {
 170         time_t mins_up = secs / 60;
 171         time_t hours_up = mins_up / 60;
 172         time_t days_up = hours_up / 24;
 173         secs = secs % 60;
 174         mins_up = mins_up % 60;
 175         hours_up = hours_up % 24;
 176         return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
 177                         + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
 178                         + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
 179                         + ConvToStr(secs) + "s");
 180 }
 181
 182 void ModuleSpanningTree::DoPingChecks(time_t curtime)
 183 {
 184         for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
 185         {
 186                 TreeServer* serv = Utils->TreeRoot->GetChild(j);
 187                 TreeSocket* sock = serv->GetSocket();
 188                 if (sock)
 189                 {
 190                         if (curtime >= serv->NextPingTime())
 191                         {
 192                                 if (serv->AnsweredLastPing())
 193                                 {
 194                                         sock->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" PING "+serv->GetID());
 195                                         serv->SetNextPingTime(curtime + Utils->PingFreq);
 196                                         timeval t;
 197                                         gettimeofday(&t, NULL);
 198                                         long ts = (t.tv_sec * 1000) + (t.tv_usec / 1000);
 199                                         serv->LastPingMsec = ts;
 200                                         serv->Warned = false;
 201                                 }
 202                                 else
 203                                 {
 204                                         /* they didnt answer, boot them */
 205                                         sock->SendError("Ping timeout");
 206                                         sock->Squit(serv,"Ping timeout");
 207                                         ServerInstance->SE->DelFd(sock);
 208                                         sock->Close();
 209                                         return;
 210                                 }
 211                         }
 212                         else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
 213                         {
 214                                 /* The server hasnt responded, send a warning to opers */
 215                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
 216                                 serv->Warned = true;
 217                         }
 218                 }
 219         }
 220
 221
 222         /*
 223          * Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
 224          * This prevents lost REMOTECONNECT notices
 225          */
 226         timeval t;
 227         gettimeofday(&t, NULL);
 228         long ts = (t.tv_sec * 1000) + (t.tv_usec / 1000);
 229
 230         for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
 231         {
 232                 if (i->second->bursting)
 233                 {
 234                         unsigned long bursttime = ts - i->second->StartBurst;
 235                         if (bursttime > 60000) // A minute
 236                         {
 237                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not finished burst, forcing end of burst.", i->second->GetName().c_str());
 238                                 i->second->FinishBurst();
 239                         }
 240                 }
 241         }
 242 }
 243
 244 void ModuleSpanningTree::ConnectServer(Link* x)
 245 {
 246         bool ipvalid = true;
 247         QueryType start_type = DNS_QUERY_A;
 248 #ifdef IPV6
 249         start_type = DNS_QUERY_AAAA;
 250         if (strchr(x->IPAddr.c_str(),':'))
 251         {
 252                 in6_addr n;
 253                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 254                         ipvalid = false;
 255         }
 256         else
 257 #endif
 258         {
 259                 in_addr n;
 260                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 261                         ipvalid = false;
 262         }
 263
 264         /* Do we already have an IP? If so, no need to resolve it. */
 265         if (ipvalid)
 266         {
 267                 /* Gave a hook, but it wasnt one we know */
 268                 if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
 269                         return;
 270                 TreeSocket* newsocket = new TreeSocket(Utils, ServerInstance, x->IPAddr,x->Port,false,x->Timeout ? x->Timeout : 10,x->Name.c_str(), x->Bind, x->Hook.empty() ? NULL : Utils->hooks[x->Hook.c_str()]);
 271                 if (newsocket->GetFd() > -1)
 272                 {
 273                         /* Handled automatically on success */
 274                 }
 275                 else
 276                 {
 277                         RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
 278                         if (ServerInstance->SocketCull.find(newsocket) == ServerInstance->SocketCull.end())
 279                                 ServerInstance->SocketCull[newsocket] = newsocket;
 280                         Utils->DoFailOver(x);
 281                 }
 282         }
 283         else
 284         {
 285                 try
 286                 {
 287                         bool cached;
 288                         ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
 289                         ServerInstance->AddResolver(snr, cached);
 290                 }
 291                 catch (ModuleException& e)
 292                 {
 293                         RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 294                         Utils->DoFailOver(x);
 295                 }
 296         }
 297 }
 298
 299 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 300 {
 301         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 302         {
 303                 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
 304                 {
 305                         x->NextConnectTime = curtime + x->AutoConnect;
 306                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 307                         if (x->FailOver.length())
 308                         {
 309                                 TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str());
 310                                 if (CheckFailOver)
 311                                 {
 312                                         /* The failover for this server is currently a member of the network.
 313                                          * The failover probably succeeded, where the main link did not.
 314                                          * Don't try the main link until the failover is gone again.
 315                                          */
 316                                         continue;
 317                                 }
 318                         }
 319                         if (!CheckDupe)
 320                         {
 321                                 // an autoconnected server is not connected. Check if its time to connect it
 322                                 ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
 323                                 this->ConnectServer(&(*x));
 324                         }
 325                 }
 326         }
 327 }
 328
 329 int ModuleSpanningTree::HandleVersion(const char* const* parameters, int pcnt, User* user)
 330 {
 331         // we've already checked if pcnt > 0, so this is safe
 332         TreeServer* found = Utils->FindServerMask(parameters[0]);
 333         if (found)
 334         {
 335                 std::string Version = found->GetVersion();
 336                 user->WriteNumeric(351, "%s :%s",user->nick,Version.c_str());
 337                 if (found == Utils->TreeRoot)
 338                 {
 339                         ServerInstance->Config->Send005(user);
 340                 }
 341         }
 342         else
 343         {
 344                 user->WriteNumeric(402, "%s %s :No such server",user->nick,parameters[0]);
 345         }
 346         return 1;
 347 }
 348
 349 /* This method will attempt to get a link message out to as many people as is required.
 350  * If a user is provided, and that user is local, then the user is sent the message using
 351  * WriteServ (they are the local initiator of that message). If the user is remote, they are
 352  * sent that message remotely via PUSH.
 353  * If the user is NULL, then the notice is sent locally via WriteToSnoMask with snomask 'l',
 354  * and remotely via SNONOTICE with mask 'l'.
 355  */
 356 void ModuleSpanningTree::RemoteMessage(User* user, const char* format, ...)
 357 {
 358         /* This could cause an infinite loop, because DoOneToMany() will, on error,
 359          * call TreeSocket::OnError(), which in turn will call this function to
 360          * notify everyone of the error. So, drop any messages that are generated
 361          * during the sending of another message. -Special */
 362         static bool SendingRemoteMessage = false;
 363         if (SendingRemoteMessage)
 364                 return;
 365         SendingRemoteMessage = true;
 366
 367         std::deque<std::string> params;
 368         char text[MAXBUF];
 369         va_list argsPtr;
 370
 371         va_start(argsPtr, format);
 372         vsnprintf(text, MAXBUF, format, argsPtr);
 373         va_end(argsPtr);
 374
 375         if (!user)
 376         {
 377                 /* No user, target it generically at everyone */
 378                 ServerInstance->SNO->WriteToSnoMask('l', "%s", text);
 379                 params.push_back("l");
 380                 params.push_back(std::string(":") + text);
 381                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "SNONOTICE", params);
 382         }
 383         else
 384         {
 385                 if (IS_LOCAL(user))
 386                         user->WriteServ("NOTICE %s :%s", user->nick, text);
 387                 else
 388                 {
 389                         params.push_back(user->uuid);
 390                         params.push_back(std::string("::") + ServerInstance->Config->ServerName + " NOTICE " + user->nick + " :*** From " +
 391                                         ServerInstance->Config->ServerName+ ": " + text);
 392                         Utils->DoOneToMany(ServerInstance->Config->GetSID(), "PUSH", params);
 393                 }
 394         }
 395
 396         SendingRemoteMessage = false;
 397 }
 398
 399 int ModuleSpanningTree::HandleConnect(const char* const* parameters, int pcnt, User* user)
 400 {
 401         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 402         {
 403                 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
 404                 {
 405                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 406                         if (!CheckDupe)
 407                         {
 408                                 RemoteMessage(user, "*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
 409                                 ConnectServer(&(*x));
 410                                 return 1;
 411                         }
 412                         else
 413                         {
 414                                 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());
 415                                 return 1;
 416                         }
 417                 }
 418         }
 419         RemoteMessage(user, "*** CONNECT: No server matching \002%s\002 could be found in the config file.",parameters[0]);
 420         return 1;
 421 }
 422
 423 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 424 {
 425         TreeServer* s = Utils->FindServer(servername);
 426         if (s)
 427         {
 428                 description = s->GetDesc();
 429         }
 430 }
 431
 432 void ModuleSpanningTree::OnUserInvite(User* source,User* dest,Channel* channel, time_t expiry)
 433 {
 434         if (IS_LOCAL(source))
 435         {
 436                 std::deque<std::string> params;
 437                 params.push_back(dest->uuid);
 438                 params.push_back(channel->name);
 439                 params.push_back(ConvToStr(expiry));
 440                 Utils->DoOneToMany(source->uuid,"INVITE",params);
 441         }
 442 }
 443
 444 void ModuleSpanningTree::OnPostLocalTopicChange(User* user, Channel* chan, const std::string &topic)
 445 {
 446         std::deque<std::string> params;
 447         params.push_back(chan->name);
 448         params.push_back(":"+topic);
 449         Utils->DoOneToMany(user->uuid,"TOPIC",params);
 450 }
 451
 452 void ModuleSpanningTree::OnWallops(User* user, const std::string &text)
 453 {
 454         if (IS_LOCAL(user))
 455         {
 456                 std::deque<std::string> params;
 457                 params.push_back(":"+text);
 458                 Utils->DoOneToMany(user->uuid,"WALLOPS",params);
 459         }
 460 }
 461
 462 void ModuleSpanningTree::OnUserNotice(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 463 {
 464         /* Server origin */
 465         if (user == NULL)
 466                 return;
 467
 468         if (target_type == TYPE_USER)
 469         {
 470                 User* d = (User*)dest;
 471                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 472                 {
 473                         std::deque<std::string> params;
 474                         params.clear();
 475                         params.push_back(d->uuid);
 476                         params.push_back(":"+text);
 477                         Utils->DoOneToOne(user->uuid,"NOTICE",params,d->server);
 478                 }
 479         }
 480         else if (target_type == TYPE_CHANNEL)
 481         {
 482                 if (IS_LOCAL(user))
 483                 {
 484                         Channel *c = (Channel*)dest;
 485                         if (c)
 486                         {
 487                                 std::string cname = c->name;
 488                                 if (status)
 489                                         cname = status + cname;
 490                                 TreeServerList list;
 491                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 492                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 493                                 {
 494                                         TreeSocket* Sock = i->second->GetSocket();
 495                                         if (Sock)
 496                                                 Sock->WriteLine(":"+std::string(user->uuid)+" NOTICE "+cname+" :"+text);
 497                                 }
 498                         }
 499                 }
 500         }
 501         else if (target_type == TYPE_SERVER)
 502         {
 503                 if (IS_LOCAL(user))
 504                 {
 505                         char* target = (char*)dest;
 506                         std::deque<std::string> par;
 507                         par.push_back(target);
 508                         par.push_back(":"+text);
 509                         Utils->DoOneToMany(user->uuid,"NOTICE",par);
 510                 }
 511         }
 512 }
 513
 514 void ModuleSpanningTree::OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 515 {
 516         /* Server origin */
 517         if (user == NULL)
 518                 return;
 519
 520         if (target_type == TYPE_USER)
 521         {
 522                 // route private messages which are targetted at clients only to the server
 523                 // which needs to receive them
 524                 User* d = (User*)dest;
 525                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 526                 {
 527                         std::deque<std::string> params;
 528                         params.clear();
 529                         params.push_back(d->uuid);
 530                         params.push_back(":"+text);
 531                         Utils->DoOneToOne(user->uuid,"PRIVMSG",params,d->server);
 532                 }
 533         }
 534         else if (target_type == TYPE_CHANNEL)
 535         {
 536                 if (IS_LOCAL(user))
 537                 {
 538                         Channel *c = (Channel*)dest;
 539                         if (c)
 540                         {
 541                                 std::string cname = c->name;
 542                                 if (status)
 543                                         cname = status + cname;
 544                                 TreeServerList list;
 545                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 546                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 547                                 {
 548                                         TreeSocket* Sock = i->second->GetSocket();
 549                                         if (Sock)
 550                                                 Sock->WriteLine(":"+std::string(user->uuid)+" PRIVMSG "+cname+" :"+text);
 551                                 }
 552                         }
 553                 }
 554         }
 555         else if (target_type == TYPE_SERVER)
 556         {
 557                 if (IS_LOCAL(user))
 558                 {
 559                         char* target = (char*)dest;
 560                         std::deque<std::string> par;
 561                         par.push_back(target);
 562                         par.push_back(":"+text);
 563                         Utils->DoOneToMany(user->uuid,"PRIVMSG",par);
 564                 }
 565         }
 566 }
 567
 568 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 569 {
 570         AutoConnectServers(curtime);
 571         DoPingChecks(curtime);
 572 }
 573
 574 void ModuleSpanningTree::OnUserJoin(User* user, Channel* channel, bool sync, bool &silent)
 575 {
 576         // Only do this for local users
 577         if (IS_LOCAL(user))
 578         {
 579                 if (channel->GetUserCounter() == 1)
 580                 {
 581                         std::deque<std::string> params;
 582                         // set up their permissions and the channel TS with FJOIN.
 583                         // All users are FJOINed now, because a module may specify
 584                         // new joining permissions for the user.
 585                         params.push_back(channel->name);
 586                         params.push_back(ConvToStr(channel->age));
 587                         params.push_back(std::string("+") + channel->ChanModes(true));
 588                         params.push_back(ServerInstance->Modes->ModeString(user, channel, false)+","+std::string(user->uuid));
 589                         Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FJOIN",params);
 590                 }
 591                 else
 592                 {
 593                         std::deque<std::string> params;
 594                         params.push_back(channel->name);
 595                         params.push_back(ConvToStr(channel->age));
 596                         Utils->DoOneToMany(user->uuid,"JOIN",params);
 597                 }
 598         }
 599 }
 600
 601 void ModuleSpanningTree::OnChangeHost(User* user, const std::string &newhost)
 602 {
 603         // only occurs for local clients
 604         if (user->registered != REG_ALL)
 605                 return;
 606         std::deque<std::string> params;
 607         params.push_back(newhost);
 608         Utils->DoOneToMany(user->uuid,"FHOST",params);
 609 }
 610
 611 void ModuleSpanningTree::OnChangeName(User* user, const std::string &gecos)
 612 {
 613         // only occurs for local clients
 614         if (user->registered != REG_ALL)
 615                 return;
 616         std::deque<std::string> params;
 617         params.push_back(gecos);
 618         Utils->DoOneToMany(user->uuid,"FNAME",params);
 619 }
 620
 621 void ModuleSpanningTree::OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
 622 {
 623         if (IS_LOCAL(user))
 624         {
 625                 std::deque<std::string> params;
 626                 params.push_back(channel->name);
 627                 if (!partmessage.empty())
 628                         params.push_back(":"+partmessage);
 629                 Utils->DoOneToMany(user->uuid,"PART",params);
 630         }
 631 }
 632
 633 void ModuleSpanningTree::OnPostConnect(User* user)
 634 {
 635         if (IS_LOCAL(user))
 636         {
 637                 std::deque<std::string> params;
 638                 params.push_back(user->uuid);
 639                 params.push_back(ConvToStr(user->age));
 640                 params.push_back(user->nick);
 641                 params.push_back(user->host);
 642                 params.push_back(user->dhost);
 643                 params.push_back(user->ident);
 644                 params.push_back("+"+std::string(user->FormatModes()));
 645                 params.push_back(user->GetIPString());
 646                 params.push_back(ConvToStr(user->signon));
 647                 params.push_back(":"+std::string(user->fullname));
 648                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "UID", params);
 649         }
 650
 651         TreeServer* SourceServer = Utils->FindServer(user->server);
 652         if (SourceServer)
 653         {
 654                 SourceServer->SetUserCount(1); // increment by 1
 655         }
 656 }
 657
 658 void ModuleSpanningTree::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 659 {
 660         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
 661         {
 662                 std::deque<std::string> params;
 663
 664                 if (oper_message != reason)
 665                 {
 666                         params.push_back(":"+oper_message);
 667                         Utils->DoOneToMany(user->uuid,"OPERQUIT",params);
 668                 }
 669                 params.clear();
 670                 params.push_back(":"+reason);
 671                 Utils->DoOneToMany(user->uuid,"QUIT",params);
 672         }
 673
 674         // Regardless, We need to modify the user Counts..
 675         TreeServer* SourceServer = Utils->FindServer(user->server);
 676         if (SourceServer)
 677         {
 678                 SourceServer->SetUserCount(-1); // decrement by 1
 679         }
 680 }
 681
 682 void ModuleSpanningTree::OnUserPostNick(User* user, const std::string &oldnick)
 683 {
 684         if (IS_LOCAL(user))
 685         {
 686                 std::deque<std::string> params;
 687                 params.push_back(user->nick);
 688
 689                 /** IMPORTANT: We don't update the TS if the oldnick is just a case change of the newnick!
 690                  */
 691                 if (irc::string(user->nick) != assign(oldnick))
 692                         user->age = ServerInstance->Time();
 693
 694                 params.push_back(ConvToStr(user->age));
 695                 Utils->DoOneToMany(user->uuid,"NICK",params);
 696         }
 697 }
 698
 699 void ModuleSpanningTree::OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
 700 {
 701         if ((source) && (IS_LOCAL(source)))
 702         {
 703                 std::deque<std::string> params;
 704                 params.push_back(chan->name);
 705                 params.push_back(user->uuid);
 706                 params.push_back(":"+reason);
 707                 Utils->DoOneToMany(source->uuid,"KICK",params);
 708         }
 709         else if (!source)
 710         {
 711                 std::deque<std::string> params;
 712                 params.push_back(chan->name);
 713                 params.push_back(user->uuid);
 714                 params.push_back(":"+reason);
 715                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"KICK",params);
 716         }
 717 }
 718
 719 void ModuleSpanningTree::OnRemoteKill(User* source, User* dest, const std::string &reason, const std::string &operreason)
 720 {
 721         std::deque<std::string> params;
 722         params.push_back(":"+reason);
 723         Utils->DoOneToMany(dest->uuid,"OPERQUIT",params);
 724         params.clear();
 725         params.push_back(dest->uuid);
 726         params.push_back(":"+reason);
 727         dest->SetOperQuit(operreason);
 728         Utils->DoOneToMany(source->uuid,"KILL",params);
 729 }
 730
 731 void ModuleSpanningTree::OnRehash(User* user, const std::string &parameter)
 732 {
 733         if (!parameter.empty())
 734         {
 735                 std::deque<std::string> params;
 736                 params.push_back(parameter);
 737                 Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->GetSID(), "REHASH", params);
 738                 // check for self
 739                 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
 740                 {
 741                         ServerInstance->SNO->WriteToSnoMask('A', "Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
 742                         ServerInstance->RehashServer();
 743                 }
 744         }
 745         Utils->ReadConfiguration(true);
 746         InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
 747 }
 748
 749 // note: the protocol does not allow direct umode +o except
 750 // via NICK with 8 params. sending OPERTYPE infers +o modechange
 751 // locally.
 752 void ModuleSpanningTree::OnOper(User* user, const std::string &opertype)
 753 {
 754         if (IS_LOCAL(user))
 755         {
 756                 std::deque<std::string> params;
 757                 params.push_back(opertype);
 758                 Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
 759         }
 760 }
 761
 762 void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
 763 {
 764         if (!x->IsBurstable())
 765                 return;
 766
 767         char data[MAXBUF];
 768         snprintf(data,MAXBUF,"%s %s %s %lu %lu :%s", x->type.c_str(), x->Displayable(),
 769         ServerInstance->Config->ServerName, (unsigned long)x->set_time, (unsigned long)x->duration, x->reason);
 770         std::deque<std::string> params;
 771         params.push_back(data);
 772
 773         if (!user)
 774         {
 775                 /* Server-set lines */
 776                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "ADDLINE", params);
 777         }
 778         else if (IS_LOCAL(user))
 779         {
 780                 /* User-set lines */
 781                 Utils->DoOneToMany(user->uuid, "ADDLINE", params);
 782         }
 783 }
 784
 785 void ModuleSpanningTree::OnDelLine(User* user, XLine *x)
 786 {
 787         if (x->type == "K")
 788                 return;
 789
 790         char data[MAXBUF];
 791         snprintf(data,MAXBUF,"%s %s", x->type.c_str(), x->Displayable());
 792         std::deque<std::string> params;
 793         params.push_back(data);
 794
 795         if (!user)
 796         {
 797                 /* Server-unset lines */
 798                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "DELLINE", params);
 799         }
 800         else if (IS_LOCAL(user))
 801         {
 802                 /* User-unset lines */
 803                 Utils->DoOneToMany(user->uuid, "DELLINE", params);
 804         }
 805 }
 806
 807 void ModuleSpanningTree::OnMode(User* user, void* dest, int target_type, const std::string &text)
 808 {
 809         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
 810         {
 811                 std::deque<std::string> params;
 812                 std::string command;
 813                 std::string output_text;
 814
 815                 ServerInstance->Parser->TranslateUIDs(TR_SPACENICKLIST, text, output_text);
 816
 817                 if (target_type == TYPE_USER)
 818                 {
 819                         User* u = (User*)dest;
 820                         params.push_back(u->uuid);
 821                         params.push_back(output_text);
 822                         command = "MODE";
 823                 }
 824                 else
 825                 {
 826                         Channel* c = (Channel*)dest;
 827                         params.push_back(c->name);
 828                         params.push_back(ConvToStr(c->age));
 829                         params.push_back(output_text);
 830                         command = "FMODE";
 831                 }
 832
 833                 Utils->DoOneToMany(user->uuid, command, params);
 834         }
 835 }
 836
 837 int ModuleSpanningTree::OnSetAway(User* user, const std::string &awaymsg)
 838 {
 839         if (IS_LOCAL(user))
 840         {
 841                 if (awaymsg.empty())
 842                 {
 843                         std::deque<std::string> params;
 844                         params.clear();
 845                         Utils->DoOneToMany(user->uuid,"AWAY",params);
 846                 }
 847                 else
 848                 {
 849                         std::deque<std::string> params;
 850                         params.push_back(":" + awaymsg);
 851                         Utils->DoOneToMany(user->uuid,"AWAY",params);
 852                 }
 853         }
 854
 855         return 0;
 856 }
 857
 858 void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
 859 {
 860         TreeSocket* s = (TreeSocket*)opaque;
 861         std::string output_text;
 862
 863         ServerInstance->Parser->TranslateUIDs(TR_SPACENICKLIST, modeline, output_text);
 864
 865         if (target)
 866         {
 867                 if (target_type == TYPE_USER)
 868                 {
 869                         User* u = (User*)target;
 870                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+u->uuid+" "+ConvToStr(u->age)+" "+output_text);
 871                 }
 872                 else
 873                 {
 874                         Channel* c = (Channel*)target;
 875                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
 876                 }
 877         }
 878 }
 879
 880 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
 881 {
 882         TreeSocket* s = (TreeSocket*)opaque;
 883         if (target)
 884         {
 885                 if (target_type == TYPE_USER)
 886                 {
 887                         User* u = (User*)target;
 888                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
 889                 }
 890                 else if (target_type == TYPE_CHANNEL)
 891                 {
 892                         Channel* c = (Channel*)target;
 893                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
 894                 }
 895         }
 896         if (target_type == TYPE_OTHER)
 897         {
 898                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
 899         }
 900 }
 901
 902 void ModuleSpanningTree::OnEvent(Event* event)
 903 {
 904         if ((event->GetEventID() == "send_encap") || (event->GetEventID() == "send_metadata") || (event->GetEventID() == "send_topic") || (event->GetEventID() == "send_mode") || (event->GetEventID() == "send_mode_explicit") || (event->GetEventID() == "send_opers")
 905                 || (event->GetEventID() == "send_modeset") || (event->GetEventID() == "send_snoset") || (event->GetEventID() == "send_push"))
 906         {
 907                 ServerInstance->Logs->Log("m_spanningtree", DEBUG, "WARNING: Deprecated use of old 1.1 style m_spanningtree event ignored, type '"+event->GetEventID()+"'!");
 908         }
 909 }
 910
 911 ModuleSpanningTree::~ModuleSpanningTree()
 912 {
 913         /* This will also free the listeners */
 914         delete ServerInstance->PI;
 915         ServerInstance->PI = new ProtocolInterface(ServerInstance);
 916
 917         delete Utils;
 918
 919         ServerInstance->Timers->DelTimer(RefreshTimer);
 920
 921         ServerInstance->Modules->DoneWithInterface("BufferedSocketHook");
 922 }
 923
 924 Version ModuleSpanningTree::GetVersion()
 925 {
 926         return Version(1,2,0,2,VF_VENDOR,API_VERSION);
 927 }
 928
 929 /* It is IMPORTANT that m_spanningtree is the last module in the chain
 930  * so that any activity it sees is FINAL, e.g. we arent going to send out
 931  * a NICK message before m_cloaking has finished putting the +x on the user,
 932  * etc etc.
 933  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
 934  * the module call queue.
 935  */
 936 void ModuleSpanningTree::Prioritize()
 937 {
 938         ServerInstance->Modules->SetPriority(this, PRIO_LAST);
 939 }
 940
 941 MODULE_INIT(ModuleSpanningTree)