src/modules/m_spanningtree/main.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 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 "configreader.h"
  18 #include "users.h"
  19 #include "channels.h"
  20 #include "modules.h"
  21 #include "commands/cmd_whois.h"
  22 #include "commands/cmd_stats.h"
  23 #include "socket.h"
  24 #include "wildcard.h"
  25 #include "xline.h"
  26 #include "transport.h"
  27
  28 #include "m_spanningtree/timesynctimer.h"
  29 #include "m_spanningtree/resolvers.h"
  30 #include "m_spanningtree/main.h"
  31 #include "m_spanningtree/utils.h"
  32 #include "m_spanningtree/treeserver.h"
  33 #include "m_spanningtree/link.h"
  34 #include "m_spanningtree/treesocket.h"
  35 #include "m_spanningtree/rconnect.h"
  36 #include "m_spanningtree/rsquit.h"
  37
  38 /* $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 */
  39
  40 ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me)
  41         : Module(Me), max_local(0), max_global(0)
  42 {
  43         ServerInstance->UseInterface("InspSocketHook");
  44         Utils = new SpanningTreeUtilities(Me, this);
  45         command_rconnect = new cmd_rconnect(ServerInstance, this, Utils);
  46         ServerInstance->AddCommand(command_rconnect);
  47         command_rsquit = new cmd_rsquit(ServerInstance, this, Utils);
  48         ServerInstance->AddCommand(command_rsquit);
  49         if (Utils->EnableTimeSync)
  50         {
  51                 SyncTimer = new TimeSyncTimer(ServerInstance, this);
  52                 ServerInstance->Timers->AddTimer(SyncTimer);
  53         }
  54         else
  55                 SyncTimer = NULL;
  56
  57         RefreshTimer = new CacheRefreshTimer(ServerInstance, Utils);
  58         ServerInstance->Timers->AddTimer(RefreshTimer);
  59 }
  60
  61 void ModuleSpanningTree::ShowLinks(TreeServer* Current, userrec* user, int hops)
  62 {
  63         std::string Parent = Utils->TreeRoot->GetName();
  64         if (Current->GetParent())
  65         {
  66                 Parent = Current->GetParent()->GetName();
  67         }
  68         for (unsigned int q = 0; q < Current->ChildCount(); q++)
  69         {
  70                 if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
  71                 {
  72                         if (*user->oper)
  73                         {
  74                                  ShowLinks(Current->GetChild(q),user,hops+1);
  75                         }
  76                 }
  77                 else
  78                 {
  79                         ShowLinks(Current->GetChild(q),user,hops+1);
  80                 }
  81         }
  82         /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
  83         if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user)))
  84                 return;
  85         /* Or if the server is hidden and they're not an oper */
  86         else if ((Current->Hidden) && (!IS_OPER(user)))
  87                 return;
  88
  89         user->WriteServ("364 %s %s %s :%d %s",  user->nick,Current->GetName().c_str(),
  90                         (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(),
  91                         (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
  92                         Current->GetDesc().c_str());
  93 }
  94
  95 int ModuleSpanningTree::CountLocalServs()
  96 {
  97         return Utils->TreeRoot->ChildCount();
  98 }
  99
 100 int ModuleSpanningTree::CountServs()
 101 {
 102         return Utils->serverlist.size();
 103 }
 104
 105 void ModuleSpanningTree::HandleLinks(const char** parameters, int pcnt, userrec* user)
 106 {
 107         ShowLinks(Utils->TreeRoot,user,0);
 108         user->WriteServ("365 %s * :End of /LINKS list.",user->nick);
 109         return;
 110 }
 111
 112 void ModuleSpanningTree::HandleLusers(const char** parameters, int pcnt, userrec* user)
 113 {
 114         unsigned int n_users = ServerInstance->UserCount();
 115
 116         /* Only update these when someone wants to see them, more efficient */
 117         if ((unsigned int)ServerInstance->LocalUserCount() > max_local)
 118                 max_local = ServerInstance->LocalUserCount();
 119         if (n_users > max_global)
 120                 max_global = n_users;
 121
 122         unsigned int ulined_count = 0;
 123         unsigned int ulined_local_count = 0;
 124
 125         /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden,
 126          * locally and globally (locally means directly connected to us)
 127          */
 128         if ((Utils->HideULines) && (!*user->oper))
 129         {
 130                 for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++)
 131                 {
 132                         if (ServerInstance->ULine(q->second->GetName().c_str()))
 133                         {
 134                                 ulined_count++;
 135                                 if (q->second->GetParent() == Utils->TreeRoot)
 136                                         ulined_local_count++;
 137                         }
 138                 }
 139         }
 140         user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,n_users-ServerInstance->InvisibleUserCount(),ServerInstance->InvisibleUserCount(),ulined_count ? this->CountServs() - ulined_count : this->CountServs());
 141         if (ServerInstance->OperCount())
 142                 user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount());
 143         if (ServerInstance->UnregisteredUserCount())
 144                 user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount());
 145         if (ServerInstance->ChannelCount())
 146                 user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount());
 147         user->WriteServ("255 %s :I have %d clients and %d servers",user->nick,ServerInstance->LocalUserCount(),ulined_local_count ? this->CountLocalServs() - ulined_local_count : this->CountLocalServs());
 148         user->WriteServ("265 %s :Current Local Users: %d  Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local);
 149         user->WriteServ("266 %s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
 150         return;
 151 }
 152
 153 std::string ModuleSpanningTree::TimeToStr(time_t secs)
 154 {
 155         time_t mins_up = secs / 60;
 156         time_t hours_up = mins_up / 60;
 157         time_t days_up = hours_up / 24;
 158         secs = secs % 60;
 159         mins_up = mins_up % 60;
 160         hours_up = hours_up % 24;
 161         return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
 162                         + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
 163                         + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
 164                         + ConvToStr(secs) + "s");
 165 }
 166
 167 const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current)
 168 {
 169         time_t secs_up = ServerInstance->Time() - Current->age;
 170         return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"s]");
 171 }
 172
 173 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
 174 void ModuleSpanningTree::ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers)
 175 {
 176         if (line < 128)
 177         {
 178                 for (int t = 0; t < depth; t++)
 179                 {
 180                         matrix[line][t] = ' ';
 181                 }
 182                 // For Aligning, we need to work out exactly how deep this thing is, and produce
 183                 // a 'Spacer' String to compensate.
 184                 char spacer[40];
 185                 memset(spacer,' ',40);
 186                 if ((40 - Current->GetName().length() - depth) > 1) {
 187                         spacer[40 - Current->GetName().length() - depth] = '\0';
 188                 }
 189                 else
 190                 {
 191                         spacer[5] = '\0';
 192                 }
 193                 float percent;
 194                 char text[128];
 195                 /* Neat and tidy default values, as we're dealing with a matrix not a simple string */
 196                 memset(text, 0, 128);
 197
 198                 if (ServerInstance->clientlist->size() == 0) {
 199                         // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
 200                         percent = 0;
 201                 }
 202                 else
 203                 {
 204                         percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist->size()) * 100;
 205                 }
 206                 const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : "";
 207                 snprintf(text, 126, "%s %s%5d [%5.2f%%]%s", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent, operdata.c_str());
 208                 totusers += Current->GetUserCount();
 209                 totservers++;
 210                 strlcpy(&matrix[line][depth],text,126);
 211                 line++;
 212                 for (unsigned int q = 0; q < Current->ChildCount(); q++)
 213                 {
 214                         if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
 215                         {
 216                                 if (*user->oper)
 217                                 {
 218                                         ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 219                                 }
 220                         }
 221                         else
 222                         {
 223                                 ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 224                         }
 225                 }
 226         }
 227 }
 228
 229 int ModuleSpanningTree::HandleMotd(const char** parameters, int pcnt, userrec* user)
 230 {
 231         if (pcnt > 0)
 232         {
 233                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 234                         return 0;
 235
 236                 /* Remote MOTD, the server is within the 1st parameter */
 237                 std::deque<std::string> params;
 238                 params.push_back(parameters[0]);
 239                 /* Send it out remotely, generate no reply yet */
 240                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 241                 if (s)
 242                 {
 243                         params[0] = s->GetName();
 244                         Utils->DoOneToOne(user->nick, "MOTD", params, s->GetName());
 245                 }
 246                 else
 247                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 248                 return 1;
 249         }
 250         return 0;
 251 }
 252
 253 int ModuleSpanningTree::HandleAdmin(const char** parameters, int pcnt, userrec* user)
 254 {
 255         if (pcnt > 0)
 256         {
 257                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 258                         return 0;
 259
 260                 /* Remote ADMIN, the server is within the 1st parameter */
 261                 std::deque<std::string> params;
 262                 params.push_back(parameters[0]);
 263                 /* Send it out remotely, generate no reply yet */
 264                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 265                 if (s)
 266                 {
 267                         params[0] = s->GetName();
 268                         Utils->DoOneToOne(user->nick, "ADMIN", params, s->GetName());
 269                 }
 270                 else
 271                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 272                 return 1;
 273         }
 274         return 0;
 275 }
 276
 277 int ModuleSpanningTree::HandleModules(const char** parameters, int pcnt, userrec* user)
 278 {
 279         if (pcnt > 0)
 280         {
 281                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 282                         return 0;
 283
 284                 std::deque<std::string> params;
 285                 params.push_back(parameters[0]);
 286                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 287                 if (s)
 288                 {
 289                         params[0] = s->GetName();
 290                         Utils->DoOneToOne(user->nick, "MODULES", params, s->GetName());
 291                 }
 292                 else
 293                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 294                 return 1;
 295         }
 296         return 0;
 297 }
 298
 299 int ModuleSpanningTree::HandleStats(const char** parameters, int pcnt, userrec* user)
 300 {
 301         if (pcnt > 1)
 302         {
 303                 if (match(ServerInstance->Config->ServerName, parameters[1]))
 304                         return 0;
 305
 306                 /* Remote STATS, the server is within the 2nd parameter */
 307                 std::deque<std::string> params;
 308                 params.push_back(parameters[0]);
 309                 params.push_back(parameters[1]);
 310                 /* Send it out remotely, generate no reply yet */
 311
 312                 TreeServer* s = Utils->FindServerMask(parameters[1]);
 313                 if (s)
 314                 {
 315                         params[1] = s->GetName();
 316                         Utils->DoOneToOne(user->nick, "STATS", params, s->GetName());
 317                 }
 318                 else
 319                 {
 320                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[1]);
 321                 }
 322                 return 1;
 323         }
 324         return 0;
 325 }
 326
 327 // Ok, prepare to be confused.
 328 // After much mulling over how to approach this, it struck me that
 329 // the 'usual' way of doing a /MAP isnt the best way. Instead of
 330 // keeping track of a ton of ascii characters, and line by line
 331 // under recursion working out where to place them using multiplications
 332 // and divisons, we instead render the map onto a backplane of characters
 333 // (a character matrix), then draw the branches as a series of "L" shapes
 334 // from the nodes. This is not only friendlier on CPU it uses less stack.
 335 void ModuleSpanningTree::HandleMap(const char** parameters, int pcnt, userrec* user)
 336 {
 337         // This array represents a virtual screen which we will
 338         // "scratch" draw to, as the console device of an irc
 339         // client does not provide for a proper terminal.
 340         float totusers = 0;
 341         float totservers = 0;
 342         char matrix[128][128];
 343         for (unsigned int t = 0; t < 128; t++)
 344         {
 345                 matrix[t][0] = '\0';
 346         }
 347         line = 0;
 348         // The only recursive bit is called here.
 349         ShowMap(Utils->TreeRoot,user,0,matrix,totusers,totservers);
 350         // Process each line one by one. The algorithm has a limit of
 351         // 128 servers (which is far more than a spanning tree should have
 352         // anyway, so we're ok). This limit can be raised simply by making
 353         // the character matrix deeper, 128 rows taking 10k of memory.
 354         for (int l = 1; l < line; l++)
 355         {
 356                 // scan across the line looking for the start of the
 357                 // servername (the recursive part of the algorithm has placed
 358                 // the servers at indented positions depending on what they
 359                 // are related to)
 360                 int first_nonspace = 0;
 361                 while (matrix[l][first_nonspace] == ' ')
 362                 {
 363                         first_nonspace++;
 364                 }
 365                 first_nonspace--;
 366                 // Draw the `- (corner) section: this may be overwritten by
 367                 // another L shape passing along the same vertical pane, becoming
 368                 // a |- (branch) section instead.
 369                 matrix[l][first_nonspace] = '-';
 370                 matrix[l][first_nonspace-1] = '`';
 371                 int l2 = l - 1;
 372                 // Draw upwards until we hit the parent server, causing possibly
 373                 // other corners (`-) to become branches (|-)
 374                 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
 375                 {
 376                         matrix[l2][first_nonspace-1] = '|';
 377                         l2--;
 378                 }
 379         }
 380         // dump the whole lot to the user. This is the easy bit, honest.
 381         for (int t = 0; t < line; t++)
 382         {
 383                 user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
 384         }
 385         float avg_users = totusers / totservers;
 386         user->WriteServ("270 %s :%.0f server%s and %.0f user%s, average %.2f users per server",user->nick,totservers,(totservers > 1 ? "s" : ""),totusers,(totusers > 1 ? "s" : ""),avg_users);
 387         user->WriteServ("007 %s :End of /MAP",user->nick);
 388         return;
 389 }
 390
 391 int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user)
 392 {
 393         TreeServer* s = Utils->FindServerMask(parameters[0]);
 394         if (s)
 395         {
 396                 if (s == Utils->TreeRoot)
 397                 {
 398                         user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
 399                         return 1;
 400                 }
 401                 TreeSocket* sock = s->GetSocket();
 402                 if (sock)
 403                 {
 404                         ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
 405                         sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost());
 406                         ServerInstance->SE->DelFd(sock);
 407                         sock->Close();
 408                 }
 409                 else
 410                 {
 411                         if (IS_LOCAL(user))
 412                                 user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick);
 413                 }
 414         }
 415         else
 416         {
 417                  user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
 418         }
 419         return 1;
 420 }
 421
 422 int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user)
 423 {
 424         if ((IS_LOCAL(user)) && (pcnt))
 425         {
 426                 TreeServer* found = Utils->FindServerMask(parameters[0]);
 427                 if (found)
 428                 {
 429                         // we dont' override for local server
 430                         if (found == Utils->TreeRoot)
 431                                 return 0;
 432
 433                         std::deque<std::string> params;
 434                         params.push_back(found->GetName());
 435                         params.push_back(user->nick);
 436                         Utils->DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
 437                 }
 438                 else
 439                 {
 440                         user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 441                 }
 442         }
 443         return 1;
 444 }
 445
 446 int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
 447 {
 448         if ((IS_LOCAL(user)) && (pcnt > 1))
 449         {
 450                 userrec* remote = ServerInstance->FindNick(parameters[1]);
 451                 if ((remote) && (remote->GetFd() < 0))
 452                 {
 453                         std::deque<std::string> params;
 454                         params.push_back(parameters[1]);
 455                         Utils->DoOneToOne(user->nick,"IDLE",params,remote->server);
 456                         return 1;
 457                 }
 458                 else if (!remote)
 459                 {
 460                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
 461                         user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
 462                         return 1;
 463                 }
 464         }
 465         return 0;
 466 }
 467
 468 void ModuleSpanningTree::DoPingChecks(time_t curtime)
 469 {
 470         for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
 471         {
 472                 TreeServer* serv = Utils->TreeRoot->GetChild(j);
 473                 TreeSocket* sock = serv->GetSocket();
 474                 if (sock)
 475                 {
 476                         if (curtime >= serv->NextPingTime())
 477                         {
 478                                 if (serv->AnsweredLastPing())
 479                                 {
 480                                         sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
 481                                         serv->SetNextPingTime(curtime + 60);
 482                                         serv->LastPing = curtime;
 483                                         serv->Warned = false;
 484                                 }
 485                                 else
 486                                 {
 487                                         /* they didnt answer, boot them */
 488                                         sock->SendError("Ping timeout");
 489                                         sock->Squit(serv,"Ping timeout");
 490                                         /*** XXX SOCKET CULL ***/
 491                                         return;
 492                                 }
 493                         }
 494                         else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (60 - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
 495                         {
 496                                 /* The server hasnt responded, send a warning to opers */
 497                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
 498                                 serv->Warned = true;
 499                         }
 500                 }
 501         }
 502
 503         /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
 504          * This prevents lost REMOTECONNECT notices
 505          */
 506         for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
 507                 Utils->SetRemoteBursting(i->second, false);
 508 }
 509
 510 void ModuleSpanningTree::ConnectServer(Link* x)
 511 {
 512         bool ipvalid = true;
 513         QueryType start_type = DNS_QUERY_A;
 514 #ifdef IPV6
 515         start_type = DNS_QUERY_AAAA;
 516         if (strchr(x->IPAddr.c_str(),':'))
 517         {
 518                 in6_addr n;
 519                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 520                         ipvalid = false;
 521         }
 522         else
 523 #endif
 524         {
 525                 in_addr n;
 526                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 527                         ipvalid = false;
 528         }
 529
 530         /* Do we already have an IP? If so, no need to resolve it. */
 531         if (ipvalid)
 532         {
 533                 /* Gave a hook, but it wasnt one we know */
 534                 if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
 535                         return;
 536                 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()]);
 537                 if (newsocket->GetFd() > -1)
 538                 {
 539                         /* Handled automatically on success */
 540                 }
 541                 else
 542                 {
 543                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
 544                         delete newsocket;
 545                         Utils->DoFailOver(x);
 546                 }
 547         }
 548         else
 549         {
 550                 try
 551                 {
 552                         bool cached;
 553                         ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
 554                         ServerInstance->AddResolver(snr, cached);
 555                 }
 556                 catch (ModuleException& e)
 557                 {
 558                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 559                         Utils->DoFailOver(x);
 560                 }
 561         }
 562 }
 563
 564 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 565 {
 566         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 567         {
 568                 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
 569                 {
 570                         x->NextConnectTime = curtime + x->AutoConnect;
 571                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 572                         if (x->FailOver.length())
 573                         {
 574                                 TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str());
 575                                 if (CheckFailOver)
 576                                 {
 577                                         /* The failover for this server is currently a member of the network.
 578                                          * The failover probably succeeded, where the main link did not.
 579                                          * Don't try the main link until the failover is gone again.
 580                                          */
 581                                         continue;
 582                                 }
 583                         }
 584                         if (!CheckDupe)
 585                         {
 586                                 // an autoconnected server is not connected. Check if its time to connect it
 587                                 ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
 588                                 this->ConnectServer(&(*x));
 589                         }
 590                 }
 591         }
 592 }
 593
 594 int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user)
 595 {
 596         // we've already checked if pcnt > 0, so this is safe
 597         TreeServer* found = Utils->FindServerMask(parameters[0]);
 598         if (found)
 599         {
 600                 std::string Version = found->GetVersion();
 601                 user->WriteServ("351 %s :%s",user->nick,Version.c_str());
 602                 if (found == Utils->TreeRoot)
 603                 {
 604                         ServerInstance->Config->Send005(user);
 605                 }
 606         }
 607         else
 608         {
 609                 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 610         }
 611         return 1;
 612 }
 613
 614 int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user)
 615 {
 616         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 617         {
 618                 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
 619                 {
 620                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 621                         if (!CheckDupe)
 622                         {
 623                                 user->WriteServ("NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
 624                                 ConnectServer(&(*x));
 625                                 return 1;
 626                         }
 627                         else
 628                         {
 629                                 user->WriteServ("NOTICE %s :*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",user->nick,x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str());
 630                                 return 1;
 631                         }
 632                 }
 633         }
 634         user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
 635         return 1;
 636 }
 637
 638 void ModuleSpanningTree::BroadcastTimeSync()
 639 {
 640         if (Utils->MasterTime)
 641         {
 642                 std::deque<std::string> params;
 643                 params.push_back(ConvToStr(ServerInstance->Time(false)));
 644                 params.push_back("FORCE");
 645                 Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params);
 646         }
 647 }
 648
 649 int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results)
 650 {
 651         if ((statschar == 'c') || (statschar == 'n'))
 652         {
 653                 for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++)
 654                 {
 655                         results.push_back(std::string(ServerInstance->Config->ServerName)+" 213 "+user->nick+" "+statschar+" *@"+(Utils->LinkBlocks[i].HiddenFromStats ? "<hidden>" : Utils->LinkBlocks[i].IPAddr)+" * "+Utils->LinkBlocks[i].Name.c_str()+" "+ConvToStr(Utils->LinkBlocks[i].Port)+" "+(Utils->LinkBlocks[i].Hook.empty() ? "plaintext" : Utils->LinkBlocks[i].Hook)+" "+(Utils->LinkBlocks[i].AutoConnect ? 'a' : '-')+'s');
 656                         if (statschar == 'c')
 657                                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str());
 658                 }
 659                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
 660                 ServerInstance->SNO->WriteToSnoMask('t',"%s '%c' requested by %s (%s@%s)",(!strcmp(user->server,ServerInstance->Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host);
 661                 return 1;
 662         }
 663
 664         if (statschar == 'p')
 665         {
 666                 /* show all server ports, after showing client ports. -- w00t */
 667
 668                 for (unsigned int i = 0; i < Utils->Bindings.size(); i++)
 669                 {
 670                         std::string ip = Utils->Bindings[i]->IP;
 671                         if (ip.empty())
 672                                 ip = "*";
 673
 674                         std::string transport("plaintext");
 675                         if (Utils->Bindings[i]->GetHook())
 676                                 transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send();
 677
 678                         results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+
 679                                 " (server, " + transport + ")");
 680                 }
 681         }
 682         return 0;
 683 }
 684
 685 int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
 686 {
 687         /* If the command doesnt appear to be valid, we dont want to mess with it. */
 688         if (!validated)
 689                 return 0;
 690
 691         if (command == "CONNECT")
 692         {
 693                 return this->HandleConnect(parameters,pcnt,user);
 694         }
 695         else if (command == "STATS")
 696         {
 697                 return this->HandleStats(parameters,pcnt,user);
 698         }
 699         else if (command == "MOTD")
 700         {
 701                 return this->HandleMotd(parameters,pcnt,user);
 702         }
 703         else if (command == "ADMIN")
 704         {
 705                 return this->HandleAdmin(parameters,pcnt,user);
 706         }
 707         else if (command == "SQUIT")
 708         {
 709                 return this->HandleSquit(parameters,pcnt,user);
 710         }
 711         else if (command == "MAP")
 712         {
 713                 this->HandleMap(parameters,pcnt,user);
 714                 return 1;
 715         }
 716         else if ((command == "TIME") && (pcnt > 0))
 717         {
 718                 return this->HandleTime(parameters,pcnt,user);
 719         }
 720         else if (command == "LUSERS")
 721         {
 722                 this->HandleLusers(parameters,pcnt,user);
 723                 return 1;
 724         }
 725         else if (command == "LINKS")
 726         {
 727                 this->HandleLinks(parameters,pcnt,user);
 728                 return 1;
 729         }
 730         else if (command == "WHOIS")
 731         {
 732                 if (pcnt > 1)
 733                 {
 734                         // remote whois
 735                         return this->HandleRemoteWhois(parameters,pcnt,user);
 736                 }
 737         }
 738         else if ((command == "VERSION") && (pcnt > 0))
 739         {
 740                 this->HandleVersion(parameters,pcnt,user);
 741                 return 1;
 742         }
 743         else if ((command == "MODULES") && (pcnt > 0))
 744         {
 745                 return this->HandleModules(parameters,pcnt,user);
 746         }
 747         return 0;
 748 }
 749
 750 void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
 751 {
 752         if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
 753         {
 754                 // this bit of code cleverly routes all module commands
 755                 // to all remote severs *automatically* so that modules
 756                 // can just handle commands locally, without having
 757                 // to have any special provision in place for remote
 758                 // commands and linking protocols.
 759                 std::deque<std::string> params;
 760                 params.clear();
 761                 for (int j = 0; j < pcnt; j++)
 762                 {
 763                         if (strchr(parameters[j],' '))
 764                         {
 765                                 params.push_back(":" + std::string(parameters[j]));
 766                         }
 767                         else
 768                         {
 769                                 params.push_back(std::string(parameters[j]));
 770                         }
 771                 }
 772                 Utils->DoOneToMany(user->nick,command,params);
 773         }
 774 }
 775
 776 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 777 {
 778         TreeServer* s = Utils->FindServer(servername);
 779         if (s)
 780         {
 781                 description = s->GetDesc();
 782         }
 783 }
 784
 785 void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
 786 {
 787         if (IS_LOCAL(source))
 788         {
 789                 std::deque<std::string> params;
 790                 params.push_back(dest->nick);
 791                 params.push_back(channel->name);
 792                 Utils->DoOneToMany(source->nick,"INVITE",params);
 793         }
 794 }
 795
 796 void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
 797 {
 798         std::deque<std::string> params;
 799         params.push_back(chan->name);
 800         params.push_back(":"+topic);
 801         Utils->DoOneToMany(user->nick,"TOPIC",params);
 802 }
 803
 804 void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text)
 805 {
 806         if (IS_LOCAL(user))
 807         {
 808                 std::deque<std::string> params;
 809                 params.push_back(":"+text);
 810                 Utils->DoOneToMany(user->nick,"WALLOPS",params);
 811         }
 812 }
 813
 814 void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 815 {
 816         if (target_type == TYPE_USER)
 817         {
 818                 userrec* d = (userrec*)dest;
 819                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 820                 {
 821                         std::deque<std::string> params;
 822                         params.clear();
 823                         params.push_back(d->nick);
 824                         params.push_back(":"+text);
 825                         Utils->DoOneToOne(user->nick,"NOTICE",params,d->server);
 826                 }
 827         }
 828         else if (target_type == TYPE_CHANNEL)
 829         {
 830                 if (IS_LOCAL(user))
 831                 {
 832                         chanrec *c = (chanrec*)dest;
 833                         if (c)
 834                         {
 835                                 std::string cname = c->name;
 836                                 if (status)
 837                                         cname = status + cname;
 838                                 TreeServerList list;
 839                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 840                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 841                                 {
 842                                         TreeSocket* Sock = i->second->GetSocket();
 843                                         if (Sock)
 844                                                 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
 845                                 }
 846                         }
 847                 }
 848         }
 849         else if (target_type == TYPE_SERVER)
 850         {
 851                 if (IS_LOCAL(user))
 852                 {
 853                         char* target = (char*)dest;
 854                         std::deque<std::string> par;
 855                         par.push_back(target);
 856                         par.push_back(":"+text);
 857                         Utils->DoOneToMany(user->nick,"NOTICE",par);
 858                 }
 859         }
 860 }
 861
 862 void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 863 {
 864         if (target_type == TYPE_USER)
 865         {
 866                 // route private messages which are targetted at clients only to the server
 867                 // which needs to receive them
 868                 userrec* d = (userrec*)dest;
 869                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 870                 {
 871                         std::deque<std::string> params;
 872                         params.clear();
 873                         params.push_back(d->nick);
 874                         params.push_back(":"+text);
 875                         Utils->DoOneToOne(user->nick,"PRIVMSG",params,d->server);
 876                 }
 877         }
 878         else if (target_type == TYPE_CHANNEL)
 879         {
 880                 if (IS_LOCAL(user))
 881                 {
 882                         chanrec *c = (chanrec*)dest;
 883                         if (c)
 884                         {
 885                                 std::string cname = c->name;
 886                                 if (status)
 887                                         cname = status + cname;
 888                                 TreeServerList list;
 889                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 890                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 891                                 {
 892                                         TreeSocket* Sock = i->second->GetSocket();
 893                                         if (Sock)
 894                                                 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
 895                                 }
 896                         }
 897                 }
 898         }
 899         else if (target_type == TYPE_SERVER)
 900         {
 901                 if (IS_LOCAL(user))
 902                 {
 903                         char* target = (char*)dest;
 904                         std::deque<std::string> par;
 905                         par.push_back(target);
 906                         par.push_back(":"+text);
 907                         Utils->DoOneToMany(user->nick,"PRIVMSG",par);
 908                 }
 909         }
 910 }
 911
 912 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 913 {
 914         AutoConnectServers(curtime);
 915         DoPingChecks(curtime);
 916 }
 917
 918 void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent)
 919 {
 920         // Only do this for local users
 921         if (IS_LOCAL(user))
 922         {
 923                 if (channel->GetUserCounter() == 1)
 924                 {
 925                         std::deque<std::string> params;
 926                         // set up their permissions and the channel TS with FJOIN.
 927                         // All users are FJOINed now, because a module may specify
 928                         // new joining permissions for the user.
 929                         params.push_back(channel->name);
 930                         params.push_back(ConvToStr(channel->age));
 931                         params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick));
 932                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
 933                         /* First user in, sync the modes for the channel */
 934                         params.pop_back();
 935                         params.push_back(channel->ChanModes(true));
 936                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params);
 937                 }
 938                 else
 939                 {
 940                         std::deque<std::string> params;
 941                         params.push_back(channel->name);
 942                         params.push_back(ConvToStr(channel->age));
 943                         Utils->DoOneToMany(user->nick,"JOIN",params);
 944                 }
 945         }
 946 }
 947
 948 void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost)
 949 {
 950         // only occurs for local clients
 951         if (user->registered != REG_ALL)
 952                 return;
 953         std::deque<std::string> params;
 954         params.push_back(newhost);
 955         Utils->DoOneToMany(user->nick,"FHOST",params);
 956 }
 957
 958 void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos)
 959 {
 960         // only occurs for local clients
 961         if (user->registered != REG_ALL)
 962                 return;
 963         std::deque<std::string> params;
 964         params.push_back(gecos);
 965         Utils->DoOneToMany(user->nick,"FNAME",params);
 966 }
 967
 968 void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
 969 {
 970         if (IS_LOCAL(user))
 971         {
 972                 std::deque<std::string> params;
 973                 params.push_back(channel->name);
 974                 if (!partmessage.empty())
 975                         params.push_back(":"+partmessage);
 976                 Utils->DoOneToMany(user->nick,"PART",params);
 977         }
 978 }
 979
 980 void ModuleSpanningTree::OnUserConnect(userrec* user)
 981 {
 982         char agestr[MAXBUF];
 983         if (IS_LOCAL(user))
 984         {
 985                 std::deque<std::string> params;
 986                 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
 987                 params.push_back(agestr);
 988                 params.push_back(user->nick);
 989                 params.push_back(user->host);
 990                 params.push_back(user->dhost);
 991                 params.push_back(user->ident);
 992                 params.push_back("+"+std::string(user->FormatModes()));
 993                 params.push_back(user->GetIPString());
 994                 params.push_back(":"+std::string(user->fullname));
 995                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
 996                 // User is Local, change needs to be reflected!
 997                 TreeServer* SourceServer = Utils->FindServer(user->server);
 998                 if (SourceServer)
 999                 {
1000                         SourceServer->AddUserCount();
1001                 }
1002         }
1003 }
1004
1005 void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
1006 {
1007         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1008         {
1009                 std::deque<std::string> params;
1010
1011                 if (oper_message != reason)
1012                 {
1013                         params.push_back(":"+oper_message);
1014                         Utils->DoOneToMany(user->nick,"OPERQUIT",params);
1015                 }
1016                 params.clear();
1017                 params.push_back(":"+reason);
1018                 Utils->DoOneToMany(user->nick,"QUIT",params);
1019         }
1020         // Regardless, We need to modify the user Counts..
1021         TreeServer* SourceServer = Utils->FindServer(user->server);
1022         if (SourceServer)
1023         {
1024                 SourceServer->DelUserCount();
1025         }
1026 }
1027
1028 void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick)
1029 {
1030         if (IS_LOCAL(user))
1031         {
1032                 std::deque<std::string> params;
1033                 params.push_back(user->nick);
1034                 Utils->DoOneToMany(oldnick,"NICK",params);
1035         }
1036 }
1037
1038 void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)
1039 {
1040         if ((source) && (IS_LOCAL(source)))
1041         {
1042                 std::deque<std::string> params;
1043                 params.push_back(chan->name);
1044                 params.push_back(user->nick);
1045                 params.push_back(":"+reason);
1046                 Utils->DoOneToMany(source->nick,"KICK",params);
1047         }
1048         else if (!source)
1049         {
1050                 std::deque<std::string> params;
1051                 params.push_back(chan->name);
1052                 params.push_back(user->nick);
1053                 params.push_back(":"+reason);
1054                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
1055         }
1056 }
1057
1058 void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason)
1059 {
1060         std::deque<std::string> params;
1061         params.push_back(":"+reason);
1062         Utils->DoOneToMany(dest->nick,"OPERQUIT",params);
1063         params.clear();
1064         params.push_back(dest->nick);
1065         params.push_back(":"+reason);
1066         dest->SetOperQuit(operreason);
1067         Utils->DoOneToMany(source->nick,"KILL",params);
1068 }
1069
1070 void ModuleSpanningTree::OnRehash(userrec* user, const std::string &parameter)
1071 {
1072         if (!parameter.empty())
1073         {
1074                 std::deque<std::string> params;
1075                 params.push_back(parameter);
1076                 Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->ServerName, "REHASH", params);
1077                 // check for self
1078                 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
1079                 {
1080                         ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
1081                         ServerInstance->RehashServer();
1082                 }
1083         }
1084         Utils->ReadConfiguration(false);
1085         InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
1086 }
1087
1088 // note: the protocol does not allow direct umode +o except
1089 // via NICK with 8 params. sending OPERTYPE infers +o modechange
1090 // locally.
1091 void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype)
1092 {
1093         if (IS_LOCAL(user))
1094         {
1095                 std::deque<std::string> params;
1096                 params.push_back(opertype);
1097                 Utils->DoOneToMany(user->nick,"OPERTYPE",params);
1098         }
1099 }
1100
1101 void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
1102 {
1103         if (!source)
1104         {
1105                 /* Server-set lines */
1106                 char data[MAXBUF];
1107                 snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false),
1108                                 (unsigned long)duration, reason.c_str());
1109                 std::deque<std::string> params;
1110                 params.push_back(data);
1111                 Utils->DoOneToMany(ServerInstance->Config->ServerName, "ADDLINE", params);
1112         }
1113         else
1114         {
1115                 if (IS_LOCAL(source))
1116                 {
1117                         char type[8];
1118                         snprintf(type,8,"%cLINE",linetype);
1119                         std::string stype = type;
1120                         if (adding)
1121                         {
1122                                 char sduration[MAXBUF];
1123                                 snprintf(sduration,MAXBUF,"%ld",duration);
1124                                 std::deque<std::string> params;
1125                                 params.push_back(host);
1126                                 params.push_back(sduration);
1127                                 params.push_back(":"+reason);
1128                                 Utils->DoOneToMany(source->nick,stype,params);
1129                         }
1130                         else
1131                         {
1132                                 std::deque<std::string> params;
1133                                 params.push_back(host);
1134                                 Utils->DoOneToMany(source->nick,stype,params);
1135                         }
1136                 }
1137         }
1138 }
1139
1140 void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1141 {
1142         OnLine(source,hostmask,true,'G',duration,reason);
1143 }
1144
1145 void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
1146 {
1147         OnLine(source,ipmask,true,'Z',duration,reason);
1148 }
1149
1150 void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
1151 {
1152         OnLine(source,nickmask,true,'Q',duration,reason);
1153 }
1154
1155 void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1156 {
1157         OnLine(source,hostmask,true,'E',duration,reason);
1158 }
1159
1160 void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask)
1161 {
1162         OnLine(source,hostmask,false,'G',0,"");
1163 }
1164
1165 void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask)
1166 {
1167         OnLine(source,ipmask,false,'Z',0,"");
1168 }
1169
1170 void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask)
1171 {
1172         OnLine(source,nickmask,false,'Q',0,"");
1173 }
1174
1175 void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask)
1176 {
1177         OnLine(source,hostmask,false,'E',0,"");
1178 }
1179
1180 void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text)
1181 {
1182         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1183         {
1184                 std::deque<std::string> params;
1185                 std::string command;
1186
1187                 if (target_type == TYPE_USER)
1188                 {
1189                         userrec* u = (userrec*)dest;
1190                         params.push_back(u->nick);
1191                         params.push_back(text);
1192                         command = "MODE";
1193                 }
1194                 else
1195                 {
1196                         chanrec* c = (chanrec*)dest;
1197                         params.push_back(c->name);
1198                         params.push_back(ConvToStr(c->age));
1199                         params.push_back(text);
1200                         command = "FMODE";
1201                 }
1202                 Utils->DoOneToMany(user->nick, command, params);
1203         }
1204 }
1205
1206 void ModuleSpanningTree::OnSetAway(userrec* user)
1207 {
1208         if (IS_LOCAL(user))
1209         {
1210                 std::deque<std::string> params;
1211                 params.push_back(":"+std::string(user->awaymsg));
1212                 Utils->DoOneToMany(user->nick,"AWAY",params);
1213         }
1214 }
1215
1216 void ModuleSpanningTree::OnCancelAway(userrec* user)
1217 {
1218         if (IS_LOCAL(user))
1219         {
1220                 std::deque<std::string> params;
1221                 params.clear();
1222                 Utils->DoOneToMany(user->nick,"AWAY",params);
1223         }
1224 }
1225
1226 void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
1227 {
1228         TreeSocket* s = (TreeSocket*)opaque;
1229         if (target)
1230         {
1231                 if (target_type == TYPE_USER)
1232                 {
1233                         userrec* u = (userrec*)target;
1234                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
1235                 }
1236                 else
1237                 {
1238                         chanrec* c = (chanrec*)target;
1239                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
1240                 }
1241         }
1242 }
1243
1244 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
1245 {
1246         TreeSocket* s = (TreeSocket*)opaque;
1247         if (target)
1248         {
1249                 if (target_type == TYPE_USER)
1250                 {
1251                         userrec* u = (userrec*)target;
1252                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
1253                 }
1254                 else if (target_type == TYPE_CHANNEL)
1255                 {
1256                         chanrec* c = (chanrec*)target;
1257                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
1258                 }
1259         }
1260         if (target_type == TYPE_OTHER)
1261         {
1262                 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
1263         }
1264 }
1265
1266 void ModuleSpanningTree::OnEvent(Event* event)
1267 {
1268         std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
1269         if (event->GetEventID() == "send_metadata")
1270         {
1271                 if (params->size() < 3)
1272                         return;
1273                 (*params)[2] = ":" + (*params)[2];
1274                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
1275         }
1276         else if (event->GetEventID() == "send_topic")
1277         {
1278                 if (params->size() < 2)
1279                         return;
1280                 (*params)[1] = ":" + (*params)[1];
1281                 params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
1282                 params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true)));
1283                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params);
1284         }
1285         else if (event->GetEventID() == "send_mode")
1286         {
1287                 if (params->size() < 2)
1288                         return;
1289                 // Insert the TS value of the object, either userrec or chanrec
1290                 time_t ourTS = 0;
1291                 userrec* a = ServerInstance->FindNick((*params)[0]);
1292                 if (a)
1293                 {
1294                         ourTS = a->age;
1295                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1296                         return;
1297                 }
1298                 else
1299                 {
1300                         chanrec* a = ServerInstance->FindChan((*params)[0]);
1301                         if (a)
1302                         {
1303                                 ourTS = a->age;
1304                                 params->insert(params->begin() + 1,ConvToStr(ourTS));
1305                                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
1306                         }
1307                 }
1308         }
1309         else if (event->GetEventID() == "send_mode_explicit")
1310         {
1311                 if (params->size() < 2)
1312                         return;
1313                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1314         }
1315         else if (event->GetEventID() == "send_opers")
1316         {
1317                 if (params->size() < 1)
1318                         return;
1319                 (*params)[0] = ":" + (*params)[0];
1320                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"OPERNOTICE",*params);
1321         }
1322         else if (event->GetEventID() == "send_modeset")
1323         {
1324                 if (params->size() < 2)
1325                         return;
1326                 (*params)[1] = ":" + (*params)[1];
1327                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODENOTICE",*params);
1328         }
1329         else if (event->GetEventID() == "send_snoset")
1330         {
1331                 if (params->size() < 2)
1332                         return;
1333                 (*params)[1] = ":" + (*params)[1];
1334                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"SNONOTICE",*params);
1335         }
1336         else if (event->GetEventID() == "send_push")
1337         {
1338                 if (params->size() < 2)
1339                         return;
1340
1341                 userrec *a = ServerInstance->FindNick((*params)[0]);
1342
1343                 if (!a)
1344                         return;
1345
1346                 (*params)[1] = ":" + (*params)[1];
1347                 Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", *params, a->server);
1348         }
1349 }
1350
1351 ModuleSpanningTree::~ModuleSpanningTree()
1352 {
1353         /* This will also free the listeners */
1354         delete Utils;
1355         if (SyncTimer)
1356                 ServerInstance->Timers->DelTimer(SyncTimer);
1357
1358         ServerInstance->Timers->DelTimer(RefreshTimer);
1359
1360         ServerInstance->DoneWithInterface("InspSocketHook");
1361 }
1362
1363 Version ModuleSpanningTree::GetVersion()
1364 {
1365         return Version(1,1,0,2,VF_VENDOR,API_VERSION);
1366 }
1367
1368 void ModuleSpanningTree::Implements(char* List)
1369 {
1370         List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
1371         List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
1372         List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
1373         List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
1374         List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
1375         List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
1376         List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
1377 }
1378
1379 /* It is IMPORTANT that m_spanningtree is the last module in the chain
1380  * so that any activity it sees is FINAL, e.g. we arent going to send out
1381  * a NICK message before m_cloaking has finished putting the +x on the user,
1382  * etc etc.
1383  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
1384  * the module call queue.
1385  */
1386 Priority ModuleSpanningTree::Prioritize()
1387 {
1388         return PRIORITY_LAST;
1389 }
1390
1391 MODULE_INIT(ModuleSpanningTree)
1392