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