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,
 141                         n_users-ServerInstance->InvisibleUserCount(),
 142                         ServerInstance->InvisibleUserCount(),
 143                         ulined_count ? this->CountServs() - ulined_count : this->CountServs());
 144
 145         if (ServerInstance->OperCount())
 146                 user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount());
 147
 148         if (ServerInstance->UnregisteredUserCount())
 149                 user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount());
 150
 151         if (ServerInstance->ChannelCount())
 152                 user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount());
 153
 154         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());
 155         user->WriteServ("265 %s :Current Local Users: %d  Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local);
 156         user->WriteServ("266 %s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
 157         return;
 158 }
 159
 160 std::string ModuleSpanningTree::TimeToStr(time_t secs)
 161 {
 162         time_t mins_up = secs / 60;
 163         time_t hours_up = mins_up / 60;
 164         time_t days_up = hours_up / 24;
 165         secs = secs % 60;
 166         mins_up = mins_up % 60;
 167         hours_up = hours_up % 24;
 168         return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
 169                         + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
 170                         + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
 171                         + ConvToStr(secs) + "s");
 172 }
 173
 174 const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current)
 175 {
 176         time_t secs_up = ServerInstance->Time() - Current->age;
 177
 178 #ifndef WIN32
 179         return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"ms]");
 180 #else
 181         return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"s]");
 182 #endif
 183 }
 184
 185 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
 186 void ModuleSpanningTree::ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers)
 187 {
 188         if (line < 128)
 189         {
 190                 for (int t = 0; t < depth; t++)
 191                 {
 192                         matrix[line][t] = ' ';
 193                 }
 194                 // For Aligning, we need to work out exactly how deep this thing is, and produce
 195                 // a 'Spacer' String to compensate.
 196                 char spacer[40];
 197                 memset(spacer,' ',40);
 198                 if ((40 - Current->GetName().length() - depth) > 1) {
 199                         spacer[40 - Current->GetName().length() - depth] = '\0';
 200                 }
 201                 else
 202                 {
 203                         spacer[5] = '\0';
 204                 }
 205                 float percent;
 206                 char text[128];
 207                 /* Neat and tidy default values, as we're dealing with a matrix not a simple string */
 208                 memset(text, 0, 128);
 209
 210                 if (ServerInstance->clientlist->size() == 0) {
 211                         // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
 212                         percent = 0;
 213                 }
 214                 else
 215                 {
 216                         percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist->size()) * 100;
 217                 }
 218                 const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : "";
 219                 snprintf(text, 126, "%s %s%5d [%5.2f%%]%s", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent, operdata.c_str());
 220                 totusers += Current->GetUserCount();
 221                 totservers++;
 222                 strlcpy(&matrix[line][depth],text,126);
 223                 line++;
 224                 for (unsigned int q = 0; q < Current->ChildCount(); q++)
 225                 {
 226                         if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
 227                         {
 228                                 if (*user->oper)
 229                                 {
 230                                         ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 231                                 }
 232                         }
 233                         else
 234                         {
 235                                 ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 236                         }
 237                 }
 238         }
 239 }
 240
 241 int ModuleSpanningTree::HandleMotd(const char** parameters, int pcnt, userrec* user)
 242 {
 243         if (pcnt > 0)
 244         {
 245                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 246                         return 0;
 247
 248                 /* Remote MOTD, the server is within the 1st parameter */
 249                 std::deque<std::string> params;
 250                 params.push_back(parameters[0]);
 251                 /* Send it out remotely, generate no reply yet */
 252                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 253                 if (s)
 254                 {
 255                         params[0] = s->GetName();
 256                         Utils->DoOneToOne(user->nick, "MOTD", params, s->GetName());
 257                 }
 258                 else
 259                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 260                 return 1;
 261         }
 262         return 0;
 263 }
 264
 265 int ModuleSpanningTree::HandleAdmin(const char** parameters, int pcnt, userrec* user)
 266 {
 267         if (pcnt > 0)
 268         {
 269                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 270                         return 0;
 271
 272                 /* Remote ADMIN, the server is within the 1st parameter */
 273                 std::deque<std::string> params;
 274                 params.push_back(parameters[0]);
 275                 /* Send it out remotely, generate no reply yet */
 276                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 277                 if (s)
 278                 {
 279                         params[0] = s->GetName();
 280                         Utils->DoOneToOne(user->nick, "ADMIN", params, s->GetName());
 281                 }
 282                 else
 283                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 284                 return 1;
 285         }
 286         return 0;
 287 }
 288
 289 int ModuleSpanningTree::HandleModules(const char** parameters, int pcnt, userrec* user)
 290 {
 291         if (pcnt > 0)
 292         {
 293                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 294                         return 0;
 295
 296                 std::deque<std::string> params;
 297                 params.push_back(parameters[0]);
 298                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 299                 if (s)
 300                 {
 301                         params[0] = s->GetName();
 302                         Utils->DoOneToOne(user->nick, "MODULES", params, s->GetName());
 303                 }
 304                 else
 305                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 306                 return 1;
 307         }
 308         return 0;
 309 }
 310
 311 int ModuleSpanningTree::HandleStats(const char** parameters, int pcnt, userrec* user)
 312 {
 313         if (pcnt > 1)
 314         {
 315                 if (match(ServerInstance->Config->ServerName, parameters[1]))
 316                         return 0;
 317
 318                 /* Remote STATS, the server is within the 2nd parameter */
 319                 std::deque<std::string> params;
 320                 params.push_back(parameters[0]);
 321                 params.push_back(parameters[1]);
 322                 /* Send it out remotely, generate no reply yet */
 323
 324                 TreeServer* s = Utils->FindServerMask(parameters[1]);
 325                 if (s)
 326                 {
 327                         params[1] = s->GetName();
 328                         Utils->DoOneToOne(user->nick, "STATS", params, s->GetName());
 329                 }
 330                 else
 331                 {
 332                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[1]);
 333                 }
 334                 return 1;
 335         }
 336         return 0;
 337 }
 338
 339 // Ok, prepare to be confused.
 340 // After much mulling over how to approach this, it struck me that
 341 // the 'usual' way of doing a /MAP isnt the best way. Instead of
 342 // keeping track of a ton of ascii characters, and line by line
 343 // under recursion working out where to place them using multiplications
 344 // and divisons, we instead render the map onto a backplane of characters
 345 // (a character matrix), then draw the branches as a series of "L" shapes
 346 // from the nodes. This is not only friendlier on CPU it uses less stack.
 347 void ModuleSpanningTree::HandleMap(const char** parameters, int pcnt, userrec* user)
 348 {
 349         // This array represents a virtual screen which we will
 350         // "scratch" draw to, as the console device of an irc
 351         // client does not provide for a proper terminal.
 352         float totusers = 0;
 353         float totservers = 0;
 354         char matrix[128][128];
 355         for (unsigned int t = 0; t < 128; t++)
 356         {
 357                 matrix[t][0] = '\0';
 358         }
 359         line = 0;
 360         // The only recursive bit is called here.
 361         ShowMap(Utils->TreeRoot,user,0,matrix,totusers,totservers);
 362         // Process each line one by one. The algorithm has a limit of
 363         // 128 servers (which is far more than a spanning tree should have
 364         // anyway, so we're ok). This limit can be raised simply by making
 365         // the character matrix deeper, 128 rows taking 10k of memory.
 366         for (int l = 1; l < line; l++)
 367         {
 368                 // scan across the line looking for the start of the
 369                 // servername (the recursive part of the algorithm has placed
 370                 // the servers at indented positions depending on what they
 371                 // are related to)
 372                 int first_nonspace = 0;
 373                 while (matrix[l][first_nonspace] == ' ')
 374                 {
 375                         first_nonspace++;
 376                 }
 377                 first_nonspace--;
 378                 // Draw the `- (corner) section: this may be overwritten by
 379                 // another L shape passing along the same vertical pane, becoming
 380                 // a |- (branch) section instead.
 381                 matrix[l][first_nonspace] = '-';
 382                 matrix[l][first_nonspace-1] = '`';
 383                 int l2 = l - 1;
 384                 // Draw upwards until we hit the parent server, causing possibly
 385                 // other corners (`-) to become branches (|-)
 386                 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
 387                 {
 388                         matrix[l2][first_nonspace-1] = '|';
 389                         l2--;
 390                 }
 391         }
 392         // dump the whole lot to the user. This is the easy bit, honest.
 393         for (int t = 0; t < line; t++)
 394         {
 395                 user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
 396         }
 397         float avg_users = totusers / totservers;
 398         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);
 399         user->WriteServ("007 %s :End of /MAP",user->nick);
 400         return;
 401 }
 402
 403 int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user)
 404 {
 405         TreeServer* s = Utils->FindServerMask(parameters[0]);
 406         if (s)
 407         {
 408                 if (s == Utils->TreeRoot)
 409                 {
 410                         user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
 411                         return 1;
 412                 }
 413                 TreeSocket* sock = s->GetSocket();
 414                 if (sock)
 415                 {
 416                         ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
 417                         sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost());
 418                         ServerInstance->SE->DelFd(sock);
 419                         sock->Close();
 420                 }
 421                 else
 422                 {
 423                         if (IS_LOCAL(user))
 424                                 user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick);
 425                 }
 426         }
 427         else
 428         {
 429                  user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
 430         }
 431         return 1;
 432 }
 433
 434 int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user)
 435 {
 436         if ((IS_LOCAL(user)) && (pcnt))
 437         {
 438                 TreeServer* found = Utils->FindServerMask(parameters[0]);
 439                 if (found)
 440                 {
 441                         // we dont' override for local server
 442                         if (found == Utils->TreeRoot)
 443                                 return 0;
 444
 445                         std::deque<std::string> params;
 446                         params.push_back(found->GetName());
 447                         params.push_back(user->nick);
 448                         Utils->DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
 449                 }
 450                 else
 451                 {
 452                         user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 453                 }
 454         }
 455         return 1;
 456 }
 457
 458 int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
 459 {
 460         if ((IS_LOCAL(user)) && (pcnt > 1))
 461         {
 462                 userrec* remote = ServerInstance->FindNick(parameters[1]);
 463                 if ((remote) && (remote->GetFd() < 0))
 464                 {
 465                         std::deque<std::string> params;
 466                         params.push_back(parameters[1]);
 467                         Utils->DoOneToOne(user->nick,"IDLE",params,remote->server);
 468                         return 1;
 469                 }
 470                 else if (!remote)
 471                 {
 472                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
 473                         user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
 474                         return 1;
 475                 }
 476         }
 477         return 0;
 478 }
 479
 480 void ModuleSpanningTree::DoPingChecks(time_t curtime)
 481 {
 482         for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
 483         {
 484                 TreeServer* serv = Utils->TreeRoot->GetChild(j);
 485                 TreeSocket* sock = serv->GetSocket();
 486                 if (sock)
 487                 {
 488                         if (curtime >= serv->NextPingTime())
 489                         {
 490                                 if (serv->AnsweredLastPing())
 491                                 {
 492                                         sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
 493                                         serv->SetNextPingTime(curtime + Utils->PingFreq);
 494                                         serv->LastPing = curtime;
 495 #ifndef WIN32
 496                                         timeval t;
 497                                         gettimeofday(&t, NULL);
 498                                         long ts = (t.tv_sec * 1000) + (t.tv_usec / 1000);
 499                                         serv->LastPingMsec = ts;
 500 #endif
 501                                         serv->Warned = false;
 502                                 }
 503                                 else
 504                                 {
 505                                         /* they didnt answer, boot them */
 506                                         sock->SendError("Ping timeout");
 507                                         sock->Squit(serv,"Ping timeout");
 508                                         ServerInstance->SE->DelFd(sock);
 509                                         sock->Close();
 510                                         return;
 511                                 }
 512                         }
 513                         else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
 514                         {
 515                                 /* The server hasnt responded, send a warning to opers */
 516                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
 517                                 serv->Warned = true;
 518                         }
 519                 }
 520         }
 521
 522         /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
 523          * This prevents lost REMOTECONNECT notices
 524          */
 525         for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
 526                 Utils->SetRemoteBursting(i->second, false);
 527 }
 528
 529 void ModuleSpanningTree::ConnectServer(Link* x)
 530 {
 531         bool ipvalid = true;
 532         QueryType start_type = DNS_QUERY_A;
 533 #ifdef IPV6
 534         start_type = DNS_QUERY_AAAA;
 535         if (strchr(x->IPAddr.c_str(),':'))
 536         {
 537                 in6_addr n;
 538                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 539                         ipvalid = false;
 540         }
 541         else
 542 #endif
 543         {
 544                 in_addr n;
 545                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 546                         ipvalid = false;
 547         }
 548
 549         /* Do we already have an IP? If so, no need to resolve it. */
 550         if (ipvalid)
 551         {
 552                 /* Gave a hook, but it wasnt one we know */
 553                 if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
 554                         return;
 555                 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()]);
 556                 if (newsocket->GetFd() > -1)
 557                 {
 558                         /* Handled automatically on success */
 559                 }
 560                 else
 561                 {
 562                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
 563                         delete newsocket;
 564                         Utils->DoFailOver(x);
 565                 }
 566         }
 567         else
 568         {
 569                 try
 570                 {
 571                         bool cached;
 572                         ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
 573                         ServerInstance->AddResolver(snr, cached);
 574                 }
 575                 catch (ModuleException& e)
 576                 {
 577                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 578                         Utils->DoFailOver(x);
 579                 }
 580         }
 581 }
 582
 583 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 584 {
 585         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 586         {
 587                 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
 588                 {
 589                         x->NextConnectTime = curtime + x->AutoConnect;
 590                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 591                         if (x->FailOver.length())
 592                         {
 593                                 TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str());
 594                                 if (CheckFailOver)
 595                                 {
 596                                         /* The failover for this server is currently a member of the network.
 597                                          * The failover probably succeeded, where the main link did not.
 598                                          * Don't try the main link until the failover is gone again.
 599                                          */
 600                                         continue;
 601                                 }
 602                         }
 603                         if (!CheckDupe)
 604                         {
 605                                 // an autoconnected server is not connected. Check if its time to connect it
 606                                 ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
 607                                 this->ConnectServer(&(*x));
 608                         }
 609                 }
 610         }
 611 }
 612
 613 int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user)
 614 {
 615         // we've already checked if pcnt > 0, so this is safe
 616         TreeServer* found = Utils->FindServerMask(parameters[0]);
 617         if (found)
 618         {
 619                 std::string Version = found->GetVersion();
 620                 user->WriteServ("351 %s :%s",user->nick,Version.c_str());
 621                 if (found == Utils->TreeRoot)
 622                 {
 623                         ServerInstance->Config->Send005(user);
 624                 }
 625         }
 626         else
 627         {
 628                 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 629         }
 630         return 1;
 631 }
 632
 633 int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user)
 634 {
 635         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 636         {
 637                 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
 638                 {
 639                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 640                         if (!CheckDupe)
 641                         {
 642                                 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);
 643                                 ConnectServer(&(*x));
 644                                 return 1;
 645                         }
 646                         else
 647                         {
 648                                 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());
 649                                 return 1;
 650                         }
 651                 }
 652         }
 653         user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
 654         return 1;
 655 }
 656
 657 void ModuleSpanningTree::BroadcastTimeSync()
 658 {
 659         if (Utils->MasterTime)
 660         {
 661                 std::deque<std::string> params;
 662                 params.push_back(ConvToStr(ServerInstance->Time(false)));
 663                 params.push_back("FORCE");
 664                 Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params);
 665         }
 666 }
 667
 668 int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results)
 669 {
 670         if ((statschar == 'c') || (statschar == 'n'))
 671         {
 672                 for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++)
 673                 {
 674                         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');
 675                         if (statschar == 'c')
 676                                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str());
 677                 }
 678                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
 679                 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);
 680                 return 1;
 681         }
 682
 683         if (statschar == 'p')
 684         {
 685                 /* show all server ports, after showing client ports. -- w00t */
 686
 687                 for (unsigned int i = 0; i < Utils->Bindings.size(); i++)
 688                 {
 689                         std::string ip = Utils->Bindings[i]->IP;
 690                         if (ip.empty())
 691                                 ip = "*";
 692
 693                         std::string transport("plaintext");
 694                         if (Utils->Bindings[i]->GetHook())
 695                                 transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send();
 696
 697                         results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+
 698                                 " (server, " + transport + ")");
 699                 }
 700         }
 701         return 0;
 702 }
 703
 704 int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
 705 {
 706         /* If the command doesnt appear to be valid, we dont want to mess with it. */
 707         if (!validated)
 708                 return 0;
 709
 710         if (command == "CONNECT")
 711         {
 712                 return this->HandleConnect(parameters,pcnt,user);
 713         }
 714         else if (command == "STATS")
 715         {
 716                 return this->HandleStats(parameters,pcnt,user);
 717         }
 718         else if (command == "MOTD")
 719         {
 720                 return this->HandleMotd(parameters,pcnt,user);
 721         }
 722         else if (command == "ADMIN")
 723         {
 724                 return this->HandleAdmin(parameters,pcnt,user);
 725         }
 726         else if (command == "SQUIT")
 727         {
 728                 return this->HandleSquit(parameters,pcnt,user);
 729         }
 730         else if (command == "MAP")
 731         {
 732                 this->HandleMap(parameters,pcnt,user);
 733                 return 1;
 734         }
 735         else if ((command == "TIME") && (pcnt > 0))
 736         {
 737                 return this->HandleTime(parameters,pcnt,user);
 738         }
 739         else if (command == "LUSERS")
 740         {
 741                 this->HandleLusers(parameters,pcnt,user);
 742                 return 1;
 743         }
 744         else if (command == "LINKS")
 745         {
 746                 this->HandleLinks(parameters,pcnt,user);
 747                 return 1;
 748         }
 749         else if (command == "WHOIS")
 750         {
 751                 if (pcnt > 1)
 752                 {
 753                         // remote whois
 754                         return this->HandleRemoteWhois(parameters,pcnt,user);
 755                 }
 756         }
 757         else if ((command == "VERSION") && (pcnt > 0))
 758         {
 759                 this->HandleVersion(parameters,pcnt,user);
 760                 return 1;
 761         }
 762         else if ((command == "MODULES") && (pcnt > 0))
 763         {
 764                 return this->HandleModules(parameters,pcnt,user);
 765         }
 766         return 0;
 767 }
 768
 769 void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
 770 {
 771         if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
 772         {
 773                 // this bit of code cleverly routes all module commands
 774                 // to all remote severs *automatically* so that modules
 775                 // can just handle commands locally, without having
 776                 // to have any special provision in place for remote
 777                 // commands and linking protocols.
 778                 std::deque<std::string> params;
 779                 params.clear();
 780                 for (int j = 0; j < pcnt; j++)
 781                 {
 782                         if (strchr(parameters[j],' '))
 783                         {
 784                                 params.push_back(":" + std::string(parameters[j]));
 785                         }
 786                         else
 787                         {
 788                                 params.push_back(std::string(parameters[j]));
 789                         }
 790                 }
 791                 Utils->DoOneToMany(user->nick,command,params);
 792         }
 793 }
 794
 795 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 796 {
 797         TreeServer* s = Utils->FindServer(servername);
 798         if (s)
 799         {
 800                 description = s->GetDesc();
 801         }
 802 }
 803
 804 void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
 805 {
 806         if (IS_LOCAL(source))
 807         {
 808                 std::deque<std::string> params;
 809                 params.push_back(dest->nick);
 810                 params.push_back(channel->name);
 811                 Utils->DoOneToMany(source->nick,"INVITE",params);
 812         }
 813 }
 814
 815 void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
 816 {
 817         std::deque<std::string> params;
 818         params.push_back(chan->name);
 819         params.push_back(":"+topic);
 820         Utils->DoOneToMany(user->nick,"TOPIC",params);
 821 }
 822
 823 void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text)
 824 {
 825         if (IS_LOCAL(user))
 826         {
 827                 std::deque<std::string> params;
 828                 params.push_back(":"+text);
 829                 Utils->DoOneToMany(user->nick,"WALLOPS",params);
 830         }
 831 }
 832
 833 void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 834 {
 835         if (target_type == TYPE_USER)
 836         {
 837                 userrec* d = (userrec*)dest;
 838                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 839                 {
 840                         std::deque<std::string> params;
 841                         params.clear();
 842                         params.push_back(d->nick);
 843                         params.push_back(":"+text);
 844                         Utils->DoOneToOne(user->nick,"NOTICE",params,d->server);
 845                 }
 846         }
 847         else if (target_type == TYPE_CHANNEL)
 848         {
 849                 if (IS_LOCAL(user))
 850                 {
 851                         chanrec *c = (chanrec*)dest;
 852                         if (c)
 853                         {
 854                                 std::string cname = c->name;
 855                                 if (status)
 856                                         cname = status + cname;
 857                                 TreeServerList list;
 858                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 859                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 860                                 {
 861                                         TreeSocket* Sock = i->second->GetSocket();
 862                                         if (Sock)
 863                                                 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
 864                                 }
 865                         }
 866                 }
 867         }
 868         else if (target_type == TYPE_SERVER)
 869         {
 870                 if (IS_LOCAL(user))
 871                 {
 872                         char* target = (char*)dest;
 873                         std::deque<std::string> par;
 874                         par.push_back(target);
 875                         par.push_back(":"+text);
 876                         Utils->DoOneToMany(user->nick,"NOTICE",par);
 877                 }
 878         }
 879 }
 880
 881 void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 882 {
 883         if (target_type == TYPE_USER)
 884         {
 885                 // route private messages which are targetted at clients only to the server
 886                 // which needs to receive them
 887                 userrec* d = (userrec*)dest;
 888                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 889                 {
 890                         std::deque<std::string> params;
 891                         params.clear();
 892                         params.push_back(d->nick);
 893                         params.push_back(":"+text);
 894                         Utils->DoOneToOne(user->nick,"PRIVMSG",params,d->server);
 895                 }
 896         }
 897         else if (target_type == TYPE_CHANNEL)
 898         {
 899                 if (IS_LOCAL(user))
 900                 {
 901                         chanrec *c = (chanrec*)dest;
 902                         if (c)
 903                         {
 904                                 std::string cname = c->name;
 905                                 if (status)
 906                                         cname = status + cname;
 907                                 TreeServerList list;
 908                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 909                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 910                                 {
 911                                         TreeSocket* Sock = i->second->GetSocket();
 912                                         if (Sock)
 913                                                 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
 914                                 }
 915                         }
 916                 }
 917         }
 918         else if (target_type == TYPE_SERVER)
 919         {
 920                 if (IS_LOCAL(user))
 921                 {
 922                         char* target = (char*)dest;
 923                         std::deque<std::string> par;
 924                         par.push_back(target);
 925                         par.push_back(":"+text);
 926                         Utils->DoOneToMany(user->nick,"PRIVMSG",par);
 927                 }
 928         }
 929 }
 930
 931 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 932 {
 933         AutoConnectServers(curtime);
 934         DoPingChecks(curtime);
 935 }
 936
 937 void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent)
 938 {
 939         // Only do this for local users
 940         if (IS_LOCAL(user))
 941         {
 942                 if (channel->GetUserCounter() == 1)
 943                 {
 944                         std::deque<std::string> params;
 945                         // set up their permissions and the channel TS with FJOIN.
 946                         // All users are FJOINed now, because a module may specify
 947                         // new joining permissions for the user.
 948                         params.push_back(channel->name);
 949                         params.push_back(ConvToStr(channel->age));
 950                         params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick));
 951                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
 952                         /* First user in, sync the modes for the channel */
 953                         params.pop_back();
 954                         params.push_back(channel->ChanModes(true));
 955                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params);
 956                 }
 957                 else
 958                 {
 959                         std::deque<std::string> params;
 960                         params.push_back(channel->name);
 961                         params.push_back(ConvToStr(channel->age));
 962                         Utils->DoOneToMany(user->nick,"JOIN",params);
 963                 }
 964         }
 965 }
 966
 967 void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost)
 968 {
 969         // only occurs for local clients
 970         if (user->registered != REG_ALL)
 971                 return;
 972         std::deque<std::string> params;
 973         params.push_back(newhost);
 974         Utils->DoOneToMany(user->nick,"FHOST",params);
 975 }
 976
 977 void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos)
 978 {
 979         // only occurs for local clients
 980         if (user->registered != REG_ALL)
 981                 return;
 982         std::deque<std::string> params;
 983         params.push_back(gecos);
 984         Utils->DoOneToMany(user->nick,"FNAME",params);
 985 }
 986
 987 void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
 988 {
 989         if (IS_LOCAL(user))
 990         {
 991                 std::deque<std::string> params;
 992                 params.push_back(channel->name);
 993                 if (!partmessage.empty())
 994                         params.push_back(":"+partmessage);
 995                 Utils->DoOneToMany(user->nick,"PART",params);
 996         }
 997 }
 998
 999 void ModuleSpanningTree::OnUserConnect(userrec* user)
1000 {
1001         char agestr[MAXBUF];
1002         if (IS_LOCAL(user))
1003         {
1004                 std::deque<std::string> params;
1005                 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
1006                 params.push_back(agestr);
1007                 params.push_back(user->nick);
1008                 params.push_back(user->host);
1009                 params.push_back(user->dhost);
1010                 params.push_back(user->ident);
1011                 params.push_back("+"+std::string(user->FormatModes()));
1012                 params.push_back(user->GetIPString());
1013                 params.push_back(":"+std::string(user->fullname));
1014                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
1015                 // User is Local, change needs to be reflected!
1016                 TreeServer* SourceServer = Utils->FindServer(user->server);
1017                 if (SourceServer)
1018                 {
1019                         SourceServer->AddUserCount();
1020                 }
1021         }
1022 }
1023
1024 void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
1025 {
1026         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1027         {
1028                 std::deque<std::string> params;
1029
1030                 if (oper_message != reason)
1031                 {
1032                         params.push_back(":"+oper_message);
1033                         Utils->DoOneToMany(user->nick,"OPERQUIT",params);
1034                 }
1035                 params.clear();
1036                 params.push_back(":"+reason);
1037                 Utils->DoOneToMany(user->nick,"QUIT",params);
1038         }
1039         // Regardless, We need to modify the user Counts..
1040         TreeServer* SourceServer = Utils->FindServer(user->server);
1041         if (SourceServer)
1042         {
1043                 SourceServer->DelUserCount();
1044         }
1045 }
1046
1047 void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick)
1048 {
1049         if (IS_LOCAL(user))
1050         {
1051                 std::deque<std::string> params;
1052                 params.push_back(user->nick);
1053                 Utils->DoOneToMany(oldnick,"NICK",params);
1054         }
1055 }
1056
1057 void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)
1058 {
1059         if ((source) && (IS_LOCAL(source)))
1060         {
1061                 std::deque<std::string> params;
1062                 params.push_back(chan->name);
1063                 params.push_back(user->nick);
1064                 params.push_back(":"+reason);
1065                 Utils->DoOneToMany(source->nick,"KICK",params);
1066         }
1067         else if (!source)
1068         {
1069                 std::deque<std::string> params;
1070                 params.push_back(chan->name);
1071                 params.push_back(user->nick);
1072                 params.push_back(":"+reason);
1073                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
1074         }
1075 }
1076
1077 void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason)
1078 {
1079         std::deque<std::string> params;
1080         params.push_back(":"+reason);
1081         Utils->DoOneToMany(dest->nick,"OPERQUIT",params);
1082         params.clear();
1083         params.push_back(dest->nick);
1084         params.push_back(":"+reason);
1085         dest->SetOperQuit(operreason);
1086         Utils->DoOneToMany(source->nick,"KILL",params);
1087 }
1088
1089 void ModuleSpanningTree::OnRehash(userrec* user, const std::string &parameter)
1090 {
1091         if (!parameter.empty())
1092         {
1093                 std::deque<std::string> params;
1094                 params.push_back(parameter);
1095                 Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->ServerName, "REHASH", params);
1096                 // check for self
1097                 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
1098                 {
1099                         ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
1100                         ServerInstance->RehashServer();
1101                 }
1102         }
1103         Utils->ReadConfiguration(false);
1104         InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
1105 }
1106
1107 // note: the protocol does not allow direct umode +o except
1108 // via NICK with 8 params. sending OPERTYPE infers +o modechange
1109 // locally.
1110 void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype)
1111 {
1112         if (IS_LOCAL(user))
1113         {
1114                 std::deque<std::string> params;
1115                 params.push_back(opertype);
1116                 Utils->DoOneToMany(user->nick,"OPERTYPE",params);
1117         }
1118 }
1119
1120 void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
1121 {
1122         if (!source)
1123         {
1124                 /* Server-set lines */
1125                 char data[MAXBUF];
1126                 snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false),
1127                                 (unsigned long)duration, reason.c_str());
1128                 std::deque<std::string> params;
1129                 params.push_back(data);
1130                 Utils->DoOneToMany(ServerInstance->Config->ServerName, "ADDLINE", params);
1131         }
1132         else
1133         {
1134                 if (IS_LOCAL(source))
1135                 {
1136                         char type[8];
1137                         snprintf(type,8,"%cLINE",linetype);
1138                         std::string stype = type;
1139                         if (adding)
1140                         {
1141                                 char sduration[MAXBUF];
1142                                 snprintf(sduration,MAXBUF,"%ld",duration);
1143                                 std::deque<std::string> params;
1144                                 params.push_back(host);
1145                                 params.push_back(sduration);
1146                                 params.push_back(":"+reason);
1147                                 Utils->DoOneToMany(source->nick,stype,params);
1148                         }
1149                         else
1150                         {
1151                                 std::deque<std::string> params;
1152                                 params.push_back(host);
1153                                 Utils->DoOneToMany(source->nick,stype,params);
1154                         }
1155                 }
1156         }
1157 }
1158
1159 void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1160 {
1161         OnLine(source,hostmask,true,'G',duration,reason);
1162 }
1163
1164 void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
1165 {
1166         OnLine(source,ipmask,true,'Z',duration,reason);
1167 }
1168
1169 void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
1170 {
1171         OnLine(source,nickmask,true,'Q',duration,reason);
1172 }
1173
1174 void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1175 {
1176         OnLine(source,hostmask,true,'E',duration,reason);
1177 }
1178
1179 void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask)
1180 {
1181         OnLine(source,hostmask,false,'G',0,"");
1182 }
1183
1184 void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask)
1185 {
1186         OnLine(source,ipmask,false,'Z',0,"");
1187 }
1188
1189 void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask)
1190 {
1191         OnLine(source,nickmask,false,'Q',0,"");
1192 }
1193
1194 void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask)
1195 {
1196         OnLine(source,hostmask,false,'E',0,"");
1197 }
1198
1199 void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text)
1200 {
1201         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1202         {
1203                 std::deque<std::string> params;
1204                 std::string command;
1205
1206                 if (target_type == TYPE_USER)
1207                 {
1208                         userrec* u = (userrec*)dest;
1209                         params.push_back(u->nick);
1210                         params.push_back(text);
1211                         command = "MODE";
1212                 }
1213                 else
1214                 {
1215                         chanrec* c = (chanrec*)dest;
1216                         params.push_back(c->name);
1217                         params.push_back(ConvToStr(c->age));
1218                         params.push_back(text);
1219                         command = "FMODE";
1220                 }
1221                 Utils->DoOneToMany(user->nick, command, params);
1222         }
1223 }
1224
1225 void ModuleSpanningTree::OnSetAway(userrec* user)
1226 {
1227         if (IS_LOCAL(user))
1228         {
1229                 std::deque<std::string> params;
1230                 params.push_back(":"+std::string(user->awaymsg));
1231                 Utils->DoOneToMany(user->nick,"AWAY",params);
1232         }
1233 }
1234
1235 void ModuleSpanningTree::OnCancelAway(userrec* user)
1236 {
1237         if (IS_LOCAL(user))
1238         {
1239                 std::deque<std::string> params;
1240                 params.clear();
1241                 Utils->DoOneToMany(user->nick,"AWAY",params);
1242         }
1243 }
1244
1245 void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
1246 {
1247         TreeSocket* s = (TreeSocket*)opaque;
1248         if (target)
1249         {
1250                 if (target_type == TYPE_USER)
1251                 {
1252                         userrec* u = (userrec*)target;
1253                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
1254                 }
1255                 else
1256                 {
1257                         chanrec* c = (chanrec*)target;
1258                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
1259                 }
1260         }
1261 }
1262
1263 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
1264 {
1265         TreeSocket* s = (TreeSocket*)opaque;
1266         if (target)
1267         {
1268                 if (target_type == TYPE_USER)
1269                 {
1270                         userrec* u = (userrec*)target;
1271                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
1272                 }
1273                 else if (target_type == TYPE_CHANNEL)
1274                 {
1275                         chanrec* c = (chanrec*)target;
1276                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
1277                 }
1278         }
1279         if (target_type == TYPE_OTHER)
1280         {
1281                 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
1282         }
1283 }
1284
1285 void ModuleSpanningTree::OnEvent(Event* event)
1286 {
1287         std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
1288         if (event->GetEventID() == "send_metadata")
1289         {
1290                 if (params->size() < 3)
1291                         return;
1292                 (*params)[2] = ":" + (*params)[2];
1293                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
1294         }
1295         else if (event->GetEventID() == "send_topic")
1296         {
1297                 if (params->size() < 2)
1298                         return;
1299                 (*params)[1] = ":" + (*params)[1];
1300                 params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
1301                 params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true)));
1302                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params);
1303         }
1304         else if (event->GetEventID() == "send_mode")
1305         {
1306                 if (params->size() < 2)
1307                         return;
1308                 // Insert the TS value of the object, either userrec or chanrec
1309                 time_t ourTS = 0;
1310                 userrec* a = ServerInstance->FindNick((*params)[0]);
1311                 if (a)
1312                 {
1313                         ourTS = a->age;
1314                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1315                         return;
1316                 }
1317                 else
1318                 {
1319                         chanrec* a = ServerInstance->FindChan((*params)[0]);
1320                         if (a)
1321                         {
1322                                 ourTS = a->age;
1323                                 params->insert(params->begin() + 1,ConvToStr(ourTS));
1324                                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
1325                         }
1326                 }
1327         }
1328         else if (event->GetEventID() == "send_mode_explicit")
1329         {
1330                 if (params->size() < 2)
1331                         return;
1332                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1333         }
1334         else if (event->GetEventID() == "send_opers")
1335         {
1336                 if (params->size() < 1)
1337                         return;
1338                 (*params)[0] = ":" + (*params)[0];
1339                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"OPERNOTICE",*params);
1340         }
1341         else if (event->GetEventID() == "send_modeset")
1342         {
1343                 if (params->size() < 2)
1344                         return;
1345                 (*params)[1] = ":" + (*params)[1];
1346                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODENOTICE",*params);
1347         }
1348         else if (event->GetEventID() == "send_snoset")
1349         {
1350                 if (params->size() < 2)
1351                         return;
1352                 (*params)[1] = ":" + (*params)[1];
1353                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"SNONOTICE",*params);
1354         }
1355         else if (event->GetEventID() == "send_push")
1356         {
1357                 if (params->size() < 2)
1358                         return;
1359
1360                 userrec *a = ServerInstance->FindNick((*params)[0]);
1361
1362                 if (!a)
1363                         return;
1364
1365                 (*params)[1] = ":" + (*params)[1];
1366                 Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", *params, a->server);
1367         }
1368 }
1369
1370 ModuleSpanningTree::~ModuleSpanningTree()
1371 {
1372         /* This will also free the listeners */
1373         delete Utils;
1374         if (SyncTimer)
1375                 ServerInstance->Timers->DelTimer(SyncTimer);
1376
1377         ServerInstance->Timers->DelTimer(RefreshTimer);
1378
1379         ServerInstance->DoneWithInterface("InspSocketHook");
1380 }
1381
1382 Version ModuleSpanningTree::GetVersion()
1383 {
1384         return Version(1,1,0,2,VF_VENDOR,API_VERSION);
1385 }
1386
1387 void ModuleSpanningTree::Implements(char* List)
1388 {
1389         List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
1390         List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
1391         List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
1392         List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
1393         List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
1394         List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
1395         List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
1396 }
1397
1398 /* It is IMPORTANT that m_spanningtree is the last module in the chain
1399  * so that any activity it sees is FINAL, e.g. we arent going to send out
1400  * a NICK message before m_cloaking has finished putting the +x on the user,
1401  * etc etc.
1402  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
1403  * the module call queue.
1404  */
1405 Priority ModuleSpanningTree::Prioritize()
1406 {
1407         return PRIORITY_LAST;
1408 }
1409
1410 MODULE_INIT(ModuleSpanningTree)
1411