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                         delete sock;
 409                 }
 410                 else
 411                 {
 412                         /* to be removed after 1.1.9 */
 413                         if (IS_LOCAL(user))
 414                                 user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated and will be removed in a future version. Please use RSQUIT instead.",user->nick);
 415                         std::deque<std::string> params;
 416                         params.push_back(parameters[0]);
 417                         //params.push_back(std::string(":Server quit by ") + user->GetFullRealHost());
 418                         Utils->DoOneToOne(user->nick, "RSQUIT", params, s->GetName());
 419                         /* end to be removed after 1.1.9 */
 420                         /* to be INSERTED after 1.1.9 */
 421                         /*
 422                         if (IS_LOCAL(user))
 423                                 user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick);
 424                         */
 425                         /* end to be INSERTED after 1.1.9 */
 426                 }
 427         }
 428         else
 429         {
 430                  user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
 431         }
 432         return 1;
 433 }
 434
 435 int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user)
 436 {
 437         if ((IS_LOCAL(user)) && (pcnt))
 438         {
 439                 TreeServer* found = Utils->FindServerMask(parameters[0]);
 440                 if (found)
 441                 {
 442                         // we dont' override for local server
 443                         if (found == Utils->TreeRoot)
 444                                 return 0;
 445
 446                         std::deque<std::string> params;
 447                         params.push_back(found->GetName());
 448                         params.push_back(user->nick);
 449                         Utils->DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
 450                 }
 451                 else
 452                 {
 453                         user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 454                 }
 455         }
 456         return 1;
 457 }
 458
 459 int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
 460 {
 461         if ((IS_LOCAL(user)) && (pcnt > 1))
 462         {
 463                 userrec* remote = ServerInstance->FindNick(parameters[1]);
 464                 if ((remote) && (remote->GetFd() < 0))
 465                 {
 466                         std::deque<std::string> params;
 467                         params.push_back(parameters[1]);
 468                         Utils->DoOneToOne(user->nick,"IDLE",params,remote->server);
 469                         return 1;
 470                 }
 471                 else if (!remote)
 472                 {
 473                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
 474                         user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
 475                         return 1;
 476                 }
 477         }
 478         return 0;
 479 }
 480
 481 void ModuleSpanningTree::DoPingChecks(time_t curtime)
 482 {
 483         for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
 484         {
 485                 TreeServer* serv = Utils->TreeRoot->GetChild(j);
 486                 TreeSocket* sock = serv->GetSocket();
 487                 if (sock)
 488                 {
 489                         if (curtime >= serv->NextPingTime())
 490                         {
 491                                 if (serv->AnsweredLastPing())
 492                                 {
 493                                         sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
 494                                         serv->SetNextPingTime(curtime + 60);
 495                                         serv->LastPing = curtime;
 496                                         serv->Warned = false;
 497                                 }
 498                                 else
 499                                 {
 500                                         /* they didnt answer, boot them */
 501                                         sock->SendError("Ping timeout");
 502                                         sock->Squit(serv,"Ping timeout");
 503                                         ServerInstance->SE->DelFd(sock);
 504                                         sock->Close();
 505                                         delete sock;
 506                                         return;
 507                                 }
 508                         }
 509                         else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (60 - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
 510                         {
 511                                 /* The server hasnt responded, send a warning to opers */
 512                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
 513                                 serv->Warned = true;
 514                         }
 515                 }
 516         }
 517
 518         /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
 519          * This prevents lost REMOTECONNECT notices
 520          */
 521         for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
 522                 Utils->SetRemoteBursting(i->second, false);
 523 }
 524
 525 void ModuleSpanningTree::ConnectServer(Link* x)
 526 {
 527         bool ipvalid = true;
 528         QueryType start_type = DNS_QUERY_A;
 529 #ifdef IPV6
 530         start_type = DNS_QUERY_AAAA;
 531         if (strchr(x->IPAddr.c_str(),':'))
 532         {
 533                 in6_addr n;
 534                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 535                         ipvalid = false;
 536         }
 537         else
 538 #endif
 539         {
 540                 in_addr n;
 541                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 542                         ipvalid = false;
 543         }
 544
 545         /* Do we already have an IP? If so, no need to resolve it. */
 546         if (ipvalid)
 547         {
 548                 /* Gave a hook, but it wasnt one we know */
 549                 if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
 550                         return;
 551                 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()]);
 552                 if (newsocket->GetFd() > -1)
 553                 {
 554                         /* Handled automatically on success */
 555                 }
 556                 else
 557                 {
 558                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
 559                         delete newsocket;
 560                         Utils->DoFailOver(x);
 561                 }
 562         }
 563         else
 564         {
 565                 try
 566                 {
 567                         bool cached;
 568                         ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
 569                         ServerInstance->AddResolver(snr, cached);
 570                 }
 571                 catch (ModuleException& e)
 572                 {
 573                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 574                         Utils->DoFailOver(x);
 575                 }
 576         }
 577 }
 578
 579 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 580 {
 581         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 582         {
 583                 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
 584                 {
 585                         x->NextConnectTime = curtime + x->AutoConnect;
 586                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 587                         if (x->FailOver.length())
 588                         {
 589                                 TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str());
 590                                 if (CheckFailOver)
 591                                 {
 592                                         /* The failover for this server is currently a member of the network.
 593                                          * The failover probably succeeded, where the main link did not.
 594                                          * Don't try the main link until the failover is gone again.
 595                                          */
 596                                         continue;
 597                                 }
 598                         }
 599                         if (!CheckDupe)
 600                         {
 601                                 // an autoconnected server is not connected. Check if its time to connect it
 602                                 ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
 603                                 this->ConnectServer(&(*x));
 604                         }
 605                 }
 606         }
 607 }
 608
 609 int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user)
 610 {
 611         // we've already checked if pcnt > 0, so this is safe
 612         TreeServer* found = Utils->FindServerMask(parameters[0]);
 613         if (found)
 614         {
 615                 std::string Version = found->GetVersion();
 616                 user->WriteServ("351 %s :%s",user->nick,Version.c_str());
 617                 if (found == Utils->TreeRoot)
 618                 {
 619                         ServerInstance->Config->Send005(user);
 620                 }
 621         }
 622         else
 623         {
 624                 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 625         }
 626         return 1;
 627 }
 628
 629 int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user)
 630 {
 631         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 632         {
 633                 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
 634                 {
 635                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 636                         if (!CheckDupe)
 637                         {
 638                                 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);
 639                                 ConnectServer(&(*x));
 640                                 return 1;
 641                         }
 642                         else
 643                         {
 644                                 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());
 645                                 return 1;
 646                         }
 647                 }
 648         }
 649         user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
 650         return 1;
 651 }
 652
 653 void ModuleSpanningTree::BroadcastTimeSync()
 654 {
 655         if (Utils->MasterTime)
 656         {
 657                 std::deque<std::string> params;
 658                 params.push_back(ConvToStr(ServerInstance->Time(false)));
 659                 params.push_back("FORCE");
 660                 Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params);
 661         }
 662 }
 663
 664 int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results)
 665 {
 666         if ((statschar == 'c') || (statschar == 'n'))
 667         {
 668                 for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++)
 669                 {
 670                         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');
 671                         if (statschar == 'c')
 672                                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str());
 673                 }
 674                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
 675                 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);
 676                 return 1;
 677         }
 678
 679         if (statschar == 'p')
 680         {
 681                 /* show all server ports, after showing client ports. -- w00t */
 682
 683                 for (unsigned int i = 0; i < Utils->Bindings.size(); i++)
 684                 {
 685                         std::string ip = Utils->Bindings[i]->IP;
 686                         if (ip.empty())
 687                                 ip = "*";
 688
 689                         std::string transport("plaintext");
 690                         if (Utils->Bindings[i]->GetHook())
 691                                 transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send();
 692
 693                         results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+
 694                                 " (server, " + transport + ")");
 695                 }
 696         }
 697         return 0;
 698 }
 699
 700 int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
 701 {
 702         /* If the command doesnt appear to be valid, we dont want to mess with it. */
 703         if (!validated)
 704                 return 0;
 705
 706         if (command == "CONNECT")
 707         {
 708                 return this->HandleConnect(parameters,pcnt,user);
 709         }
 710         else if (command == "STATS")
 711         {
 712                 return this->HandleStats(parameters,pcnt,user);
 713         }
 714         else if (command == "MOTD")
 715         {
 716                 return this->HandleMotd(parameters,pcnt,user);
 717         }
 718         else if (command == "ADMIN")
 719         {
 720                 return this->HandleAdmin(parameters,pcnt,user);
 721         }
 722         else if (command == "SQUIT")
 723         {
 724                 return this->HandleSquit(parameters,pcnt,user);
 725         }
 726         else if (command == "MAP")
 727         {
 728                 this->HandleMap(parameters,pcnt,user);
 729                 return 1;
 730         }
 731         else if ((command == "TIME") && (pcnt > 0))
 732         {
 733                 return this->HandleTime(parameters,pcnt,user);
 734         }
 735         else if (command == "LUSERS")
 736         {
 737                 this->HandleLusers(parameters,pcnt,user);
 738                 return 1;
 739         }
 740         else if (command == "LINKS")
 741         {
 742                 this->HandleLinks(parameters,pcnt,user);
 743                 return 1;
 744         }
 745         else if (command == "WHOIS")
 746         {
 747                 if (pcnt > 1)
 748                 {
 749                         // remote whois
 750                         return this->HandleRemoteWhois(parameters,pcnt,user);
 751                 }
 752         }
 753         else if ((command == "VERSION") && (pcnt > 0))
 754         {
 755                 this->HandleVersion(parameters,pcnt,user);
 756                 return 1;
 757         }
 758         else if ((command == "MODULES") && (pcnt > 0))
 759         {
 760                 return this->HandleModules(parameters,pcnt,user);
 761         }
 762         return 0;
 763 }
 764
 765 void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
 766 {
 767         if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
 768         {
 769                 // this bit of code cleverly routes all module commands
 770                 // to all remote severs *automatically* so that modules
 771                 // can just handle commands locally, without having
 772                 // to have any special provision in place for remote
 773                 // commands and linking protocols.
 774                 std::deque<std::string> params;
 775                 params.clear();
 776                 for (int j = 0; j < pcnt; j++)
 777                 {
 778                         if (strchr(parameters[j],' '))
 779                         {
 780                                 params.push_back(":" + std::string(parameters[j]));
 781                         }
 782                         else
 783                         {
 784                                 params.push_back(std::string(parameters[j]));
 785                         }
 786                 }
 787                 Utils->DoOneToMany(user->nick,command,params);
 788         }
 789 }
 790
 791 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 792 {
 793         TreeServer* s = Utils->FindServer(servername);
 794         if (s)
 795         {
 796                 description = s->GetDesc();
 797         }
 798 }
 799
 800 void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
 801 {
 802         if (IS_LOCAL(source))
 803         {
 804                 std::deque<std::string> params;
 805                 params.push_back(dest->nick);
 806                 params.push_back(channel->name);
 807                 Utils->DoOneToMany(source->nick,"INVITE",params);
 808         }
 809 }
 810
 811 void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
 812 {
 813         std::deque<std::string> params;
 814         params.push_back(chan->name);
 815         params.push_back(":"+topic);
 816         Utils->DoOneToMany(user->nick,"TOPIC",params);
 817 }
 818
 819 void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text)
 820 {
 821         if (IS_LOCAL(user))
 822         {
 823                 std::deque<std::string> params;
 824                 params.push_back(":"+text);
 825                 Utils->DoOneToMany(user->nick,"WALLOPS",params);
 826         }
 827 }
 828
 829 void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 830 {
 831         if (target_type == TYPE_USER)
 832         {
 833                 userrec* d = (userrec*)dest;
 834                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 835                 {
 836                         std::deque<std::string> params;
 837                         params.clear();
 838                         params.push_back(d->nick);
 839                         params.push_back(":"+text);
 840                         Utils->DoOneToOne(user->nick,"NOTICE",params,d->server);
 841                 }
 842         }
 843         else if (target_type == TYPE_CHANNEL)
 844         {
 845                 if (IS_LOCAL(user))
 846                 {
 847                         chanrec *c = (chanrec*)dest;
 848                         if (c)
 849                         {
 850                                 std::string cname = c->name;
 851                                 if (status)
 852                                         cname = status + cname;
 853                                 TreeServerList list;
 854                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 855                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 856                                 {
 857                                         TreeSocket* Sock = i->second->GetSocket();
 858                                         if (Sock)
 859                                                 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
 860                                 }
 861                         }
 862                 }
 863         }
 864         else if (target_type == TYPE_SERVER)
 865         {
 866                 if (IS_LOCAL(user))
 867                 {
 868                         char* target = (char*)dest;
 869                         std::deque<std::string> par;
 870                         par.push_back(target);
 871                         par.push_back(":"+text);
 872                         Utils->DoOneToMany(user->nick,"NOTICE",par);
 873                 }
 874         }
 875 }
 876
 877 void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 878 {
 879         if (target_type == TYPE_USER)
 880         {
 881                 // route private messages which are targetted at clients only to the server
 882                 // which needs to receive them
 883                 userrec* d = (userrec*)dest;
 884                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 885                 {
 886                         std::deque<std::string> params;
 887                         params.clear();
 888                         params.push_back(d->nick);
 889                         params.push_back(":"+text);
 890                         Utils->DoOneToOne(user->nick,"PRIVMSG",params,d->server);
 891                 }
 892         }
 893         else if (target_type == TYPE_CHANNEL)
 894         {
 895                 if (IS_LOCAL(user))
 896                 {
 897                         chanrec *c = (chanrec*)dest;
 898                         if (c)
 899                         {
 900                                 std::string cname = c->name;
 901                                 if (status)
 902                                         cname = status + cname;
 903                                 TreeServerList list;
 904                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 905                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 906                                 {
 907                                         TreeSocket* Sock = i->second->GetSocket();
 908                                         if (Sock)
 909                                                 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
 910                                 }
 911                         }
 912                 }
 913         }
 914         else if (target_type == TYPE_SERVER)
 915         {
 916                 if (IS_LOCAL(user))
 917                 {
 918                         char* target = (char*)dest;
 919                         std::deque<std::string> par;
 920                         par.push_back(target);
 921                         par.push_back(":"+text);
 922                         Utils->DoOneToMany(user->nick,"PRIVMSG",par);
 923                 }
 924         }
 925 }
 926
 927 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 928 {
 929         AutoConnectServers(curtime);
 930         DoPingChecks(curtime);
 931 }
 932
 933 void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent)
 934 {
 935         // Only do this for local users
 936         if (IS_LOCAL(user))
 937         {
 938                 if (channel->GetUserCounter() == 1)
 939                 {
 940                         std::deque<std::string> params;
 941                         // set up their permissions and the channel TS with FJOIN.
 942                         // All users are FJOINed now, because a module may specify
 943                         // new joining permissions for the user.
 944                         params.push_back(channel->name);
 945                         params.push_back(ConvToStr(channel->age));
 946                         params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick));
 947                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
 948                         /* First user in, sync the modes for the channel */
 949                         params.pop_back();
 950                         params.push_back(channel->ChanModes(true));
 951                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params);
 952                 }
 953                 else
 954                 {
 955                         std::deque<std::string> params;
 956                         params.push_back(channel->name);
 957                         params.push_back(ConvToStr(channel->age));
 958                         Utils->DoOneToMany(user->nick,"JOIN",params);
 959                 }
 960         }
 961 }
 962
 963 void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost)
 964 {
 965         // only occurs for local clients
 966         if (user->registered != REG_ALL)
 967                 return;
 968         std::deque<std::string> params;
 969         params.push_back(newhost);
 970         Utils->DoOneToMany(user->nick,"FHOST",params);
 971 }
 972
 973 void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos)
 974 {
 975         // only occurs for local clients
 976         if (user->registered != REG_ALL)
 977                 return;
 978         std::deque<std::string> params;
 979         params.push_back(gecos);
 980         Utils->DoOneToMany(user->nick,"FNAME",params);
 981 }
 982
 983 void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
 984 {
 985         if (IS_LOCAL(user))
 986         {
 987                 std::deque<std::string> params;
 988                 params.push_back(channel->name);
 989                 if (!partmessage.empty())
 990                         params.push_back(":"+partmessage);
 991                 Utils->DoOneToMany(user->nick,"PART",params);
 992         }
 993 }
 994
 995 void ModuleSpanningTree::OnUserConnect(userrec* user)
 996 {
 997         char agestr[MAXBUF];
 998         if (IS_LOCAL(user))
 999         {
1000                 std::deque<std::string> params;
1001                 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
1002                 params.push_back(agestr);
1003                 params.push_back(user->nick);
1004                 params.push_back(user->host);
1005                 params.push_back(user->dhost);
1006                 params.push_back(user->ident);
1007                 params.push_back("+"+std::string(user->FormatModes()));
1008                 params.push_back(user->GetIPString());
1009                 params.push_back(":"+std::string(user->fullname));
1010                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
1011                 // User is Local, change needs to be reflected!
1012                 TreeServer* SourceServer = Utils->FindServer(user->server);
1013                 if (SourceServer)
1014                 {
1015                         SourceServer->AddUserCount();
1016                 }
1017         }
1018 }
1019
1020 void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
1021 {
1022         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1023         {
1024                 std::deque<std::string> params;
1025
1026                 if (oper_message != reason)
1027                 {
1028                         params.push_back(":"+oper_message);
1029                         Utils->DoOneToMany(user->nick,"OPERQUIT",params);
1030                 }
1031                 params.clear();
1032                 params.push_back(":"+reason);
1033                 Utils->DoOneToMany(user->nick,"QUIT",params);
1034         }
1035         // Regardless, We need to modify the user Counts..
1036         TreeServer* SourceServer = Utils->FindServer(user->server);
1037         if (SourceServer)
1038         {
1039                 SourceServer->DelUserCount();
1040         }
1041 }
1042
1043 void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick)
1044 {
1045         if (IS_LOCAL(user))
1046         {
1047                 std::deque<std::string> params;
1048                 params.push_back(user->nick);
1049                 Utils->DoOneToMany(oldnick,"NICK",params);
1050         }
1051 }
1052
1053 void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)
1054 {
1055         if ((source) && (IS_LOCAL(source)))
1056         {
1057                 std::deque<std::string> params;
1058                 params.push_back(chan->name);
1059                 params.push_back(user->nick);
1060                 params.push_back(":"+reason);
1061                 Utils->DoOneToMany(source->nick,"KICK",params);
1062         }
1063         else if (!source)
1064         {
1065                 std::deque<std::string> params;
1066                 params.push_back(chan->name);
1067                 params.push_back(user->nick);
1068                 params.push_back(":"+reason);
1069                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
1070         }
1071 }
1072
1073 void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason)
1074 {
1075         std::deque<std::string> params;
1076         params.push_back(dest->nick);
1077         params.push_back(":"+reason);
1078         Utils->DoOneToMany(source->nick,"KILL",params);
1079 }
1080
1081 void ModuleSpanningTree::OnRehash(userrec* user, const std::string &parameter)
1082 {
1083         if (!parameter.empty())
1084         {
1085                 std::deque<std::string> params;
1086                 params.push_back(parameter);
1087                 Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->ServerName, "REHASH", params);
1088                 // check for self
1089                 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
1090                 {
1091                         ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
1092                         ServerInstance->RehashServer();
1093                 }
1094         }
1095         Utils->ReadConfiguration(false);
1096         InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
1097 }
1098
1099 // note: the protocol does not allow direct umode +o except
1100 // via NICK with 8 params. sending OPERTYPE infers +o modechange
1101 // locally.
1102 void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype)
1103 {
1104         if (IS_LOCAL(user))
1105         {
1106                 std::deque<std::string> params;
1107                 params.push_back(opertype);
1108                 Utils->DoOneToMany(user->nick,"OPERTYPE",params);
1109         }
1110 }
1111
1112 void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
1113 {
1114         if (!source)
1115         {
1116                 /* Server-set lines */
1117                 char data[MAXBUF];
1118                 snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false),
1119                                 (unsigned long)duration, reason.c_str());
1120                 std::deque<std::string> params;
1121                 params.push_back(data);
1122                 Utils->DoOneToMany(ServerInstance->Config->ServerName, "ADDLINE", params);
1123         }
1124         else
1125         {
1126                 if (IS_LOCAL(source))
1127                 {
1128                         char type[8];
1129                         snprintf(type,8,"%cLINE",linetype);
1130                         std::string stype = type;
1131                         if (adding)
1132                         {
1133                                 char sduration[MAXBUF];
1134                                 snprintf(sduration,MAXBUF,"%ld",duration);
1135                                 std::deque<std::string> params;
1136                                 params.push_back(host);
1137                                 params.push_back(sduration);
1138                                 params.push_back(":"+reason);
1139                                 Utils->DoOneToMany(source->nick,stype,params);
1140                         }
1141                         else
1142                         {
1143                                 std::deque<std::string> params;
1144                                 params.push_back(host);
1145                                 Utils->DoOneToMany(source->nick,stype,params);
1146                         }
1147                 }
1148         }
1149 }
1150
1151 void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1152 {
1153         OnLine(source,hostmask,true,'G',duration,reason);
1154 }
1155
1156 void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
1157 {
1158         OnLine(source,ipmask,true,'Z',duration,reason);
1159 }
1160
1161 void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
1162 {
1163         OnLine(source,nickmask,true,'Q',duration,reason);
1164 }
1165
1166 void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1167 {
1168         OnLine(source,hostmask,true,'E',duration,reason);
1169 }
1170
1171 void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask)
1172 {
1173         OnLine(source,hostmask,false,'G',0,"");
1174 }
1175
1176 void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask)
1177 {
1178         OnLine(source,ipmask,false,'Z',0,"");
1179 }
1180
1181 void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask)
1182 {
1183         OnLine(source,nickmask,false,'Q',0,"");
1184 }
1185
1186 void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask)
1187 {
1188         OnLine(source,hostmask,false,'E',0,"");
1189 }
1190
1191 void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text)
1192 {
1193         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1194         {
1195                 std::deque<std::string> params;
1196                 std::string command;
1197
1198                 if (target_type == TYPE_USER)
1199                 {
1200                         userrec* u = (userrec*)dest;
1201                         params.push_back(u->nick);
1202                         params.push_back(text);
1203                         command = "MODE";
1204                 }
1205                 else
1206                 {
1207                         chanrec* c = (chanrec*)dest;
1208                         params.push_back(c->name);
1209                         params.push_back(ConvToStr(c->age));
1210                         params.push_back(text);
1211                         command = "FMODE";
1212                 }
1213                 Utils->DoOneToMany(user->nick, command, params);
1214         }
1215 }
1216
1217 void ModuleSpanningTree::OnSetAway(userrec* user)
1218 {
1219         if (IS_LOCAL(user))
1220         {
1221                 std::deque<std::string> params;
1222                 params.push_back(":"+std::string(user->awaymsg));
1223                 Utils->DoOneToMany(user->nick,"AWAY",params);
1224         }
1225 }
1226
1227 void ModuleSpanningTree::OnCancelAway(userrec* user)
1228 {
1229         if (IS_LOCAL(user))
1230         {
1231                 std::deque<std::string> params;
1232                 params.clear();
1233                 Utils->DoOneToMany(user->nick,"AWAY",params);
1234         }
1235 }
1236
1237 void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
1238 {
1239         TreeSocket* s = (TreeSocket*)opaque;
1240         if (target)
1241         {
1242                 if (target_type == TYPE_USER)
1243                 {
1244                         userrec* u = (userrec*)target;
1245                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
1246                 }
1247                 else
1248                 {
1249                         chanrec* c = (chanrec*)target;
1250                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
1251                 }
1252         }
1253 }
1254
1255 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
1256 {
1257         TreeSocket* s = (TreeSocket*)opaque;
1258         if (target)
1259         {
1260                 if (target_type == TYPE_USER)
1261                 {
1262                         userrec* u = (userrec*)target;
1263                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
1264                 }
1265                 else if (target_type == TYPE_CHANNEL)
1266                 {
1267                         chanrec* c = (chanrec*)target;
1268                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
1269                 }
1270         }
1271         if (target_type == TYPE_OTHER)
1272         {
1273                 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
1274         }
1275 }
1276
1277 void ModuleSpanningTree::OnEvent(Event* event)
1278 {
1279         std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
1280         if (event->GetEventID() == "send_metadata")
1281         {
1282                 if (params->size() < 3)
1283                         return;
1284                 (*params)[2] = ":" + (*params)[2];
1285                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
1286         }
1287         else if (event->GetEventID() == "send_topic")
1288         {
1289                 if (params->size() < 2)
1290                         return;
1291                 (*params)[1] = ":" + (*params)[1];
1292                 params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
1293                 params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true)));
1294                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params);
1295         }
1296         else if (event->GetEventID() == "send_mode")
1297         {
1298                 if (params->size() < 2)
1299                         return;
1300                 // Insert the TS value of the object, either userrec or chanrec
1301                 time_t ourTS = 0;
1302                 userrec* a = ServerInstance->FindNick((*params)[0]);
1303                 if (a)
1304                 {
1305                         ourTS = a->age;
1306                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1307                         return;
1308                 }
1309                 else
1310                 {
1311                         chanrec* a = ServerInstance->FindChan((*params)[0]);
1312                         if (a)
1313                         {
1314                                 ourTS = a->age;
1315                                 params->insert(params->begin() + 1,ConvToStr(ourTS));
1316                                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
1317                         }
1318                 }
1319         }
1320         else if (event->GetEventID() == "send_mode_explicit")
1321         {
1322                 if (params->size() < 2)
1323                         return;
1324                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1325         }
1326         else if (event->GetEventID() == "send_opers")
1327         {
1328                 if (params->size() < 1)
1329                         return;
1330                 (*params)[0] = ":" + (*params)[0];
1331                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"OPERNOTICE",*params);
1332         }
1333         else if (event->GetEventID() == "send_modeset")
1334         {
1335                 if (params->size() < 2)
1336                         return;
1337                 (*params)[1] = ":" + (*params)[1];
1338                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODENOTICE",*params);
1339         }
1340         else if (event->GetEventID() == "send_snoset")
1341         {
1342                 if (params->size() < 2)
1343                         return;
1344                 (*params)[1] = ":" + (*params)[1];
1345                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"SNONOTICE",*params);
1346         }
1347         else if (event->GetEventID() == "send_push")
1348         {
1349                 if (params->size() < 2)
1350                         return;
1351
1352                 userrec *a = ServerInstance->FindNick((*params)[0]);
1353
1354                 if (!a)
1355                         return;
1356
1357                 (*params)[1] = ":" + (*params)[1];
1358                 Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", *params, a->server);
1359         }
1360 }
1361
1362 ModuleSpanningTree::~ModuleSpanningTree()
1363 {
1364         /* This will also free the listeners */
1365         delete Utils;
1366         if (SyncTimer)
1367                 ServerInstance->Timers->DelTimer(SyncTimer);
1368
1369         ServerInstance->Timers->DelTimer(RefreshTimer);
1370
1371         ServerInstance->DoneWithInterface("InspSocketHook");
1372 }
1373
1374 Version ModuleSpanningTree::GetVersion()
1375 {
1376         return Version(1,1,0,2,VF_VENDOR,API_VERSION);
1377 }
1378
1379 void ModuleSpanningTree::Implements(char* List)
1380 {
1381         List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
1382         List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
1383         List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
1384         List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
1385         List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
1386         List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
1387         List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
1388 }
1389
1390 /* It is IMPORTANT that m_spanningtree is the last module in the chain
1391  * so that any activity it sees is FINAL, e.g. we arent going to send out
1392  * a NICK message before m_cloaking has finished putting the +x on the user,
1393  * etc etc.
1394  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
1395  * the module call queue.
1396  */
1397 Priority ModuleSpanningTree::Prioritize()
1398 {
1399         return PRIORITY_LAST;
1400 }
1401
1402 class ModuleSpanningTreeFactory : public ModuleFactory
1403 {
1404  public:
1405         ModuleSpanningTreeFactory()
1406         {
1407         }
1408
1409         ~ModuleSpanningTreeFactory()
1410         {
1411         }
1412
1413         virtual Module * CreateModule(InspIRCd* Me)
1414         {
1415                 return new ModuleSpanningTree(Me);
1416         }
1417
1418 };
1419
1420
1421 extern "C" DllExport void * init_module( void )
1422 {
1423         return new ModuleSpanningTreeFactory;
1424 }