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
  37 /* $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 */
  38
  39 ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me)
  40         : Module(Me), max_local(0), max_global(0)
  41 {
  42         ServerInstance->UseInterface("InspSocketHook");
  43         Utils = new SpanningTreeUtilities(Me, this);
  44         command_rconnect = new cmd_rconnect(ServerInstance, this, Utils);
  45         ServerInstance->AddCommand(command_rconnect);
  46         if (Utils->EnableTimeSync)
  47         {
  48                 SyncTimer = new TimeSyncTimer(ServerInstance, this);
  49                 ServerInstance->Timers->AddTimer(SyncTimer);
  50         }
  51         else
  52                 SyncTimer = NULL;
  53
  54         RefreshTimer = new CacheRefreshTimer(ServerInstance, Utils);
  55         ServerInstance->Timers->AddTimer(RefreshTimer);
  56 }
  57
  58 void ModuleSpanningTree::ShowLinks(TreeServer* Current, userrec* user, int hops)
  59 {
  60         std::string Parent = Utils->TreeRoot->GetName();
  61         if (Current->GetParent())
  62         {
  63                 Parent = Current->GetParent()->GetName();
  64         }
  65         for (unsigned int q = 0; q < Current->ChildCount(); q++)
  66         {
  67                 if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
  68                 {
  69                         if (*user->oper)
  70                         {
  71                                  ShowLinks(Current->GetChild(q),user,hops+1);
  72                         }
  73                 }
  74                 else
  75                 {
  76                         ShowLinks(Current->GetChild(q),user,hops+1);
  77                 }
  78         }
  79         /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
  80         if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user)))
  81                 return;
  82         /* Or if the server is hidden and they're not an oper */
  83         else if ((Current->Hidden) && (!IS_OPER(user)))
  84                 return;
  85
  86         user->WriteServ("364 %s %s %s :%d %s",  user->nick,Current->GetName().c_str(),
  87                         (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(),
  88                         (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
  89                         Current->GetDesc().c_str());
  90 }
  91
  92 int ModuleSpanningTree::CountLocalServs()
  93 {
  94         return Utils->TreeRoot->ChildCount();
  95 }
  96
  97 int ModuleSpanningTree::CountServs()
  98 {
  99         return Utils->serverlist.size();
 100 }
 101
 102 void ModuleSpanningTree::HandleLinks(const char** parameters, int pcnt, userrec* user)
 103 {
 104         ShowLinks(Utils->TreeRoot,user,0);
 105         user->WriteServ("365 %s * :End of /LINKS list.",user->nick);
 106         return;
 107 }
 108
 109 void ModuleSpanningTree::HandleLusers(const char** parameters, int pcnt, userrec* user)
 110 {
 111         unsigned int n_users = ServerInstance->UserCount();
 112
 113         /* Only update these when someone wants to see them, more efficient */
 114         if ((unsigned int)ServerInstance->LocalUserCount() > max_local)
 115                 max_local = ServerInstance->LocalUserCount();
 116         if (n_users > max_global)
 117                 max_global = n_users;
 118
 119         unsigned int ulined_count = 0;
 120         unsigned int ulined_local_count = 0;
 121
 122         /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden,
 123          * locally and globally (locally means directly connected to us)
 124          */
 125         if ((Utils->HideULines) && (!*user->oper))
 126         {
 127                 for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++)
 128                 {
 129                         if (ServerInstance->ULine(q->second->GetName().c_str()))
 130                         {
 131                                 ulined_count++;
 132                                 if (q->second->GetParent() == Utils->TreeRoot)
 133                                         ulined_local_count++;
 134                         }
 135                 }
 136         }
 137         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());
 138         if (ServerInstance->OperCount())
 139                 user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount());
 140         if (ServerInstance->UnregisteredUserCount())
 141                 user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount());
 142         if (ServerInstance->ChannelCount())
 143                 user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount());
 144         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());
 145         user->WriteServ("265 %s :Current Local Users: %d  Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local);
 146         user->WriteServ("266 %s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
 147         return;
 148 }
 149
 150 std::string ModuleSpanningTree::TimeToStr(time_t secs)
 151 {
 152         time_t mins_up = secs / 60;
 153         time_t hours_up = mins_up / 60;
 154         time_t days_up = hours_up / 24;
 155         secs = secs % 60;
 156         mins_up = mins_up % 60;
 157         hours_up = hours_up % 24;
 158         return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
 159                         + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
 160                         + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
 161                         + ConvToStr(secs) + "s");
 162 }
 163
 164 const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current)
 165 {
 166         time_t secs_up = ServerInstance->Time() - Current->age;
 167         return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"s]");
 168 }
 169
 170 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
 171 void ModuleSpanningTree::ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers)
 172 {
 173         if (line < 128)
 174         {
 175                 for (int t = 0; t < depth; t++)
 176                 {
 177                         matrix[line][t] = ' ';
 178                 }
 179                 // For Aligning, we need to work out exactly how deep this thing is, and produce
 180                 // a 'Spacer' String to compensate.
 181                 char spacer[40];
 182                 memset(spacer,' ',40);
 183                 if ((40 - Current->GetName().length() - depth) > 1) {
 184                         spacer[40 - Current->GetName().length() - depth] = '\0';
 185                 }
 186                 else
 187                 {
 188                         spacer[5] = '\0';
 189                 }
 190                 float percent;
 191                 char text[128];
 192                 /* Neat and tidy default values, as we're dealing with a matrix not a simple string */
 193                 memset(text, 0, 128);
 194
 195                 if (ServerInstance->clientlist->size() == 0) {
 196                         // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
 197                         percent = 0;
 198                 }
 199                 else
 200                 {
 201                         percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist->size()) * 100;
 202                 }
 203                 const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : "";
 204                 snprintf(text, 126, "%s %s%5d [%5.2f%%]%s", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent, operdata.c_str());
 205                 totusers += Current->GetUserCount();
 206                 totservers++;
 207                 strlcpy(&matrix[line][depth],text,126);
 208                 line++;
 209                 for (unsigned int q = 0; q < Current->ChildCount(); q++)
 210                 {
 211                         if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
 212                         {
 213                                 if (*user->oper)
 214                                 {
 215                                         ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 216                                 }
 217                         }
 218                         else
 219                         {
 220                                 ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 221                         }
 222                 }
 223         }
 224 }
 225
 226 int ModuleSpanningTree::HandleMotd(const char** parameters, int pcnt, userrec* user)
 227 {
 228         if (pcnt > 0)
 229         {
 230                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 231                         return 0;
 232
 233                 /* Remote MOTD, the server is within the 1st parameter */
 234                 std::deque<std::string> params;
 235                 params.push_back(parameters[0]);
 236                 /* Send it out remotely, generate no reply yet */
 237                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 238                 if (s)
 239                         Utils->DoOneToOne(user->nick, "MOTD", params, s->GetName());
 240                 else
 241                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 242                 return 1;
 243         }
 244         return 0;
 245 }
 246
 247 int ModuleSpanningTree::HandleAdmin(const char** parameters, int pcnt, userrec* user)
 248 {
 249         if (pcnt > 0)
 250         {
 251                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 252                         return 1;
 253
 254                 /* Remote ADMIN, the server is within the 1st parameter */
 255                 std::deque<std::string> params;
 256                 params.push_back(parameters[0]);
 257                 /* Send it out remotely, generate no reply yet */
 258                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 259                 if (s)
 260                         Utils->DoOneToOne(user->nick, "ADMIN", params, s->GetName());
 261                 else
 262                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 263                 return 1;
 264         }
 265         return 0;
 266 }
 267
 268 int ModuleSpanningTree::HandleModules(const char** parameters, int pcnt, userrec* user)
 269 {
 270         if (match(ServerInstance->Config->ServerName, parameters[0]))
 271                 return 1;
 272
 273         std::deque<std::string> params;
 274         params.push_back(parameters[0]);
 275         TreeServer* s = Utils->FindServerMask(parameters[0]);
 276         if (s)
 277                 Utils->DoOneToOne(user->nick, "MODULES", params, s->GetName());
 278         else
 279                 user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 280         return 1;
 281 }
 282
 283 int ModuleSpanningTree::HandleStats(const char** parameters, int pcnt, userrec* user)
 284 {
 285         if (pcnt > 1)
 286         {
 287                 if (match(ServerInstance->Config->ServerName, parameters[1]))
 288                         return 0;
 289
 290                 /* Remote STATS, the server is within the 2nd parameter */
 291                 std::deque<std::string> params;
 292                 params.push_back(parameters[0]);
 293                 params.push_back(parameters[1]);
 294                 /* Send it out remotely, generate no reply yet */
 295
 296                 TreeServer* s = Utils->FindServerMask(parameters[1]);
 297                 if (s)
 298                 {
 299                         params[1] = s->GetName();
 300                         Utils->DoOneToOne(user->nick, "STATS", params, s->GetName());
 301                 }
 302                 else
 303                 {
 304                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[1]);
 305                 }
 306                 return 1;
 307         }
 308         return 0;
 309 }
 310
 311 // Ok, prepare to be confused.
 312 // After much mulling over how to approach this, it struck me that
 313 // the 'usual' way of doing a /MAP isnt the best way. Instead of
 314 // keeping track of a ton of ascii characters, and line by line
 315 // under recursion working out where to place them using multiplications
 316 // and divisons, we instead render the map onto a backplane of characters
 317 // (a character matrix), then draw the branches as a series of "L" shapes
 318 // from the nodes. This is not only friendlier on CPU it uses less stack.
 319 void ModuleSpanningTree::HandleMap(const char** parameters, int pcnt, userrec* user)
 320 {
 321         // This array represents a virtual screen which we will
 322         // "scratch" draw to, as the console device of an irc
 323         // client does not provide for a proper terminal.
 324         float totusers = 0;
 325         float totservers = 0;
 326         char matrix[128][128];
 327         for (unsigned int t = 0; t < 128; t++)
 328         {
 329                 matrix[t][0] = '\0';
 330         }
 331         line = 0;
 332         // The only recursive bit is called here.
 333         ShowMap(Utils->TreeRoot,user,0,matrix,totusers,totservers);
 334         // Process each line one by one. The algorithm has a limit of
 335         // 128 servers (which is far more than a spanning tree should have
 336         // anyway, so we're ok). This limit can be raised simply by making
 337         // the character matrix deeper, 128 rows taking 10k of memory.
 338         for (int l = 1; l < line; l++)
 339         {
 340                 // scan across the line looking for the start of the
 341                 // servername (the recursive part of the algorithm has placed
 342                 // the servers at indented positions depending on what they
 343                 // are related to)
 344                 int first_nonspace = 0;
 345                 while (matrix[l][first_nonspace] == ' ')
 346                 {
 347                         first_nonspace++;
 348                 }
 349                 first_nonspace--;
 350                 // Draw the `- (corner) section: this may be overwritten by
 351                 // another L shape passing along the same vertical pane, becoming
 352                 // a |- (branch) section instead.
 353                 matrix[l][first_nonspace] = '-';
 354                 matrix[l][first_nonspace-1] = '`';
 355                 int l2 = l - 1;
 356                 // Draw upwards until we hit the parent server, causing possibly
 357                 // other corners (`-) to become branches (|-)
 358                 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
 359                 {
 360                         matrix[l2][first_nonspace-1] = '|';
 361                         l2--;
 362                 }
 363         }
 364         // dump the whole lot to the user. This is the easy bit, honest.
 365         for (int t = 0; t < line; t++)
 366         {
 367                 user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
 368         }
 369         float avg_users = totusers / totservers;
 370         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);
 371         user->WriteServ("007 %s :End of /MAP",user->nick);
 372         return;
 373 }
 374
 375 int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user)
 376 {
 377         TreeServer* s = Utils->FindServerMask(parameters[0]);
 378         if (s)
 379         {
 380                 if (s == Utils->TreeRoot)
 381                 {
 382                         user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
 383                         return 1;
 384                 }
 385                 TreeSocket* sock = s->GetSocket();
 386                 if (sock)
 387                 {
 388                         ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
 389                         sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost());
 390                         ServerInstance->SE->DelFd(sock);
 391                         sock->Close();
 392                         delete sock;
 393                 }
 394                 else
 395                 {
 396                         /* route it */
 397                         std::deque<std::string> params;
 398                         params.push_back(parameters[0]);
 399                         params.push_back(std::string(":Server quit by ") + user->GetFullRealHost());
 400                         Utils->DoOneToOne(user->nick, "RSQUIT", params, parameters[0]);
 401                 }
 402         }
 403         else
 404         {
 405                  user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
 406         }
 407         return 1;
 408 }
 409
 410 int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user)
 411 {
 412         if ((IS_LOCAL(user)) && (pcnt))
 413         {
 414                 TreeServer* found = Utils->FindServerMask(parameters[0]);
 415                 if (found)
 416                 {
 417                         // we dont' override for local server
 418                         if (found == Utils->TreeRoot)
 419                                 return 0;
 420
 421                         std::deque<std::string> params;
 422                         params.push_back(found->GetName());
 423                         params.push_back(user->nick);
 424                         Utils->DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
 425                 }
 426                 else
 427                 {
 428                         user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 429                 }
 430         }
 431         return 1;
 432 }
 433
 434 int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
 435 {
 436         if ((IS_LOCAL(user)) && (pcnt > 1))
 437         {
 438                 userrec* remote = ServerInstance->FindNick(parameters[1]);
 439                 if ((remote) && (remote->GetFd() < 0))
 440                 {
 441                         std::deque<std::string> params;
 442                         params.push_back(parameters[1]);
 443                         Utils->DoOneToOne(user->nick,"IDLE",params,remote->server);
 444                         return 1;
 445                 }
 446                 else if (!remote)
 447                 {
 448                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
 449                         user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
 450                         return 1;
 451                 }
 452         }
 453         return 0;
 454 }
 455
 456 void ModuleSpanningTree::DoPingChecks(time_t curtime)
 457 {
 458         for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
 459         {
 460                 TreeServer* serv = Utils->TreeRoot->GetChild(j);
 461                 TreeSocket* sock = serv->GetSocket();
 462                 if (sock)
 463                 {
 464                         if (curtime >= serv->NextPingTime())
 465                         {
 466                                 if (serv->AnsweredLastPing())
 467                                 {
 468                                         sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
 469                                         serv->SetNextPingTime(curtime + 60);
 470                                         serv->LastPing = curtime;
 471                                         serv->Warned = false;
 472                                 }
 473                                 else
 474                                 {
 475                                         /* they didnt answer, boot them */
 476                                         sock->SendError("Ping timeout");
 477                                         sock->Squit(serv,"Ping timeout");
 478                                         ServerInstance->SE->DelFd(sock);
 479                                         sock->Close();
 480                                         delete sock;
 481                                         return;
 482                                 }
 483                         }
 484                         else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (60 - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
 485                         {
 486                                 /* The server hasnt responded, send a warning to opers */
 487                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
 488                                 serv->Warned = true;
 489                         }
 490                 }
 491         }
 492
 493         /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
 494          * This prevents lost REMOTECONNECT notices
 495          */
 496         for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
 497                 Utils->SetRemoteBursting(i->second, false);
 498 }
 499
 500 void ModuleSpanningTree::ConnectServer(Link* x)
 501 {
 502         bool ipvalid = true;
 503         QueryType start_type = DNS_QUERY_A;
 504 #ifdef IPV6
 505         start_type = DNS_QUERY_AAAA;
 506         if (strchr(x->IPAddr.c_str(),':'))
 507         {
 508                 in6_addr n;
 509                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 510                         ipvalid = false;
 511         }
 512         else
 513         {
 514                 in_addr n;
 515                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 516                         ipvalid = false;
 517         }
 518 #else
 519                 in_addr n;
 520                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 521                         ipvalid = false;
 522 #endif
 523
 524         /* Do we already have an IP? If so, no need to resolve it. */
 525         if (ipvalid)
 526         {
 527                 /* Gave a hook, but it wasnt one we know */
 528                 if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
 529                         return;
 530                 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()]);
 531                 if (newsocket->GetFd() > -1)
 532                 {
 533                         /* Handled automatically on success */
 534                 }
 535                 else
 536                 {
 537                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
 538                         delete newsocket;
 539                         Utils->DoFailOver(x);
 540                 }
 541         }
 542         else
 543         {
 544                 try
 545                 {
 546                         bool cached;
 547                         ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
 548                         ServerInstance->AddResolver(snr, cached);
 549                 }
 550                 catch (ModuleException& e)
 551                 {
 552                         ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 553                         Utils->DoFailOver(x);
 554                 }
 555         }
 556 }
 557
 558 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 559 {
 560         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 561         {
 562                 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
 563                 {
 564                         x->NextConnectTime = curtime + x->AutoConnect;
 565                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 566                         if (x->FailOver.length())
 567                         {
 568                                 TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str());
 569                                 if (CheckFailOver)
 570                                 {
 571                                         /* The failover for this server is currently a member of the network.
 572                                          * The failover probably succeeded, where the main link did not.
 573                                          * Don't try the main link until the failover is gone again.
 574                                          */
 575                                         continue;
 576                                 }
 577                         }
 578                         if (!CheckDupe)
 579                         {
 580                                 // an autoconnected server is not connected. Check if its time to connect it
 581                                 ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
 582                                 this->ConnectServer(&(*x));
 583                         }
 584                 }
 585         }
 586 }
 587
 588 int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user)
 589 {
 590         // we've already checked if pcnt > 0, so this is safe
 591         TreeServer* found = Utils->FindServerMask(parameters[0]);
 592         if (found)
 593         {
 594                 std::string Version = found->GetVersion();
 595                 user->WriteServ("351 %s :%s",user->nick,Version.c_str());
 596                 if (found == Utils->TreeRoot)
 597                 {
 598                         ServerInstance->Config->Send005(user);
 599                 }
 600         }
 601         else
 602         {
 603                 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 604         }
 605         return 1;
 606 }
 607
 608 int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user)
 609 {
 610         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 611         {
 612                 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
 613                 {
 614                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 615                         if (!CheckDupe)
 616                         {
 617                                 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);
 618                                 ConnectServer(&(*x));
 619                                 return 1;
 620                         }
 621                         else
 622                         {
 623                                 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());
 624                                 return 1;
 625                         }
 626                 }
 627         }
 628         user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
 629         return 1;
 630 }
 631
 632 void ModuleSpanningTree::BroadcastTimeSync()
 633 {
 634         if (Utils->MasterTime)
 635         {
 636                 std::deque<std::string> params;
 637                 params.push_back(ConvToStr(ServerInstance->Time(false)));
 638                 params.push_back("FORCE");
 639                 Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params);
 640         }
 641 }
 642
 643 int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results)
 644 {
 645         if ((statschar == 'c') || (statschar == 'n'))
 646         {
 647                 for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++)
 648                 {
 649                         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');
 650                         if (statschar == 'c')
 651                                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str());
 652                 }
 653                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
 654                 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);
 655                 return 1;
 656         }
 657
 658         if (statschar == 'p')
 659         {
 660                 /* show all server ports, after showing client ports. -- w00t */
 661
 662                 for (unsigned int i = 0; i < Utils->Bindings.size(); i++)
 663                 {
 664                         /*
 665                          * XXX - todo:
 666                          *  we need to remove duplicate ports from this list, and possibly also
 667                          *  show the correct number of servers on the port.
 668                          *
 669                          * XXX also, this doesn't currently work, as something is not initialising ->port, so it's 0 all the time.
 670                          *
 671                          */
 672                         if (Utils->Bindings[i]->port)
 673                         {
 674                                 results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :p:"+ConvToStr(Utils->Bindings[i]->port)+" (X servers) "+
 675                                                 ServerInstance->Config->ports[i]->GetDescription());
 676                         }
 677                 }
 678         }
 679         return 0;
 680 }
 681
 682 int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
 683 {
 684         /* If the command doesnt appear to be valid, we dont want to mess with it. */
 685         if (!validated)
 686                 return 0;
 687
 688         if (command == "CONNECT")
 689         {
 690                 return this->HandleConnect(parameters,pcnt,user);
 691         }
 692         else if (command == "STATS")
 693         {
 694                 return this->HandleStats(parameters,pcnt,user);
 695         }
 696         else if (command == "MOTD")
 697         {
 698                 return this->HandleMotd(parameters,pcnt,user);
 699         }
 700         else if (command == "ADMIN")
 701         {
 702                 return this->HandleAdmin(parameters,pcnt,user);
 703         }
 704         else if (command == "SQUIT")
 705         {
 706                 return this->HandleSquit(parameters,pcnt,user);
 707         }
 708         else if (command == "MAP")
 709         {
 710                 this->HandleMap(parameters,pcnt,user);
 711                 return 1;
 712         }
 713         else if ((command == "TIME") && (pcnt > 0))
 714         {
 715                 return this->HandleTime(parameters,pcnt,user);
 716         }
 717         else if (command == "LUSERS")
 718         {
 719                 this->HandleLusers(parameters,pcnt,user);
 720                 return 1;
 721         }
 722         else if (command == "LINKS")
 723         {
 724                 this->HandleLinks(parameters,pcnt,user);
 725                 return 1;
 726         }
 727         else if (command == "WHOIS")
 728         {
 729                 if (pcnt > 1)
 730                 {
 731                         // remote whois
 732                         return this->HandleRemoteWhois(parameters,pcnt,user);
 733                 }
 734         }
 735         else if ((command == "VERSION") && (pcnt > 0))
 736         {
 737                 this->HandleVersion(parameters,pcnt,user);
 738                 return 1;
 739         }
 740         else if ((command == "MODULES") && (pcnt > 0))
 741         {
 742                 return this->HandleModules(parameters,pcnt,user);
 743         }
 744         return 0;
 745 }
 746
 747 void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
 748 {
 749         if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
 750         {
 751                 // this bit of code cleverly routes all module commands
 752                 // to all remote severs *automatically* so that modules
 753                 // can just handle commands locally, without having
 754                 // to have any special provision in place for remote
 755                 // commands and linking protocols.
 756                 std::deque<std::string> params;
 757                 params.clear();
 758                 for (int j = 0; j < pcnt; j++)
 759                 {
 760                         if (strchr(parameters[j],' '))
 761                         {
 762                                 params.push_back(":" + std::string(parameters[j]));
 763                         }
 764                         else
 765                         {
 766                                 params.push_back(std::string(parameters[j]));
 767                         }
 768                 }
 769                 Utils->DoOneToMany(user->nick,command,params);
 770         }
 771 }
 772
 773 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 774 {
 775         TreeServer* s = Utils->FindServer(servername);
 776         if (s)
 777         {
 778                 description = s->GetDesc();
 779         }
 780 }
 781
 782 void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
 783 {
 784         if (IS_LOCAL(source))
 785         {
 786                 std::deque<std::string> params;
 787                 params.push_back(dest->nick);
 788                 params.push_back(channel->name);
 789                 Utils->DoOneToMany(source->nick,"INVITE",params);
 790         }
 791 }
 792
 793 void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
 794 {
 795         std::deque<std::string> params;
 796         params.push_back(chan->name);
 797         params.push_back(":"+topic);
 798         Utils->DoOneToMany(user->nick,"TOPIC",params);
 799 }
 800
 801 void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text)
 802 {
 803         if (IS_LOCAL(user))
 804         {
 805                 std::deque<std::string> params;
 806                 params.push_back(":"+text);
 807                 Utils->DoOneToMany(user->nick,"WALLOPS",params);
 808         }
 809 }
 810
 811 void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 812 {
 813         if (target_type == TYPE_USER)
 814         {
 815                 userrec* d = (userrec*)dest;
 816                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 817                 {
 818                         std::deque<std::string> params;
 819                         params.clear();
 820                         params.push_back(d->nick);
 821                         params.push_back(":"+text);
 822                         Utils->DoOneToOne(user->nick,"NOTICE",params,d->server);
 823                 }
 824         }
 825         else if (target_type == TYPE_CHANNEL)
 826         {
 827                 if (IS_LOCAL(user))
 828                 {
 829                         chanrec *c = (chanrec*)dest;
 830                         if (c)
 831                         {
 832                                 std::string cname = c->name;
 833                                 if (status)
 834                                         cname = status + cname;
 835                                 TreeServerList list;
 836                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 837                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 838                                 {
 839                                         TreeSocket* Sock = i->second->GetSocket();
 840                                         if (Sock)
 841                                                 Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
 842                                 }
 843                         }
 844                 }
 845         }
 846         else if (target_type == TYPE_SERVER)
 847         {
 848                 if (IS_LOCAL(user))
 849                 {
 850                         char* target = (char*)dest;
 851                         std::deque<std::string> par;
 852                         par.push_back(target);
 853                         par.push_back(":"+text);
 854                         Utils->DoOneToMany(user->nick,"NOTICE",par);
 855                 }
 856         }
 857 }
 858
 859 void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 860 {
 861         if (target_type == TYPE_USER)
 862         {
 863                 // route private messages which are targetted at clients only to the server
 864                 // which needs to receive them
 865                 userrec* d = (userrec*)dest;
 866                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 867                 {
 868                         std::deque<std::string> params;
 869                         params.clear();
 870                         params.push_back(d->nick);
 871                         params.push_back(":"+text);
 872                         Utils->DoOneToOne(user->nick,"PRIVMSG",params,d->server);
 873                 }
 874         }
 875         else if (target_type == TYPE_CHANNEL)
 876         {
 877                 if (IS_LOCAL(user))
 878                 {
 879                         chanrec *c = (chanrec*)dest;
 880                         if (c)
 881                         {
 882                                 std::string cname = c->name;
 883                                 if (status)
 884                                         cname = status + cname;
 885                                 TreeServerList list;
 886                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 887                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 888                                 {
 889                                         TreeSocket* Sock = i->second->GetSocket();
 890                                         if (Sock)
 891                                                 Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
 892                                 }
 893                         }
 894                 }
 895         }
 896         else if (target_type == TYPE_SERVER)
 897         {
 898                 if (IS_LOCAL(user))
 899                 {
 900                         char* target = (char*)dest;
 901                         std::deque<std::string> par;
 902                         par.push_back(target);
 903                         par.push_back(":"+text);
 904                         Utils->DoOneToMany(user->nick,"PRIVMSG",par);
 905                 }
 906         }
 907 }
 908
 909 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 910 {
 911         AutoConnectServers(curtime);
 912         DoPingChecks(curtime);
 913 }
 914
 915 void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent)
 916 {
 917         // Only do this for local users
 918         if (IS_LOCAL(user))
 919         {
 920                 if (channel->GetUserCounter() == 1)
 921                 {
 922                         std::deque<std::string> params;
 923                         // set up their permissions and the channel TS with FJOIN.
 924                         // All users are FJOINed now, because a module may specify
 925                         // new joining permissions for the user.
 926                         params.push_back(channel->name);
 927                         params.push_back(ConvToStr(channel->age));
 928                         params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick));
 929                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
 930                         /* First user in, sync the modes for the channel */
 931                         params.pop_back();
 932                         params.push_back(channel->ChanModes(true));
 933                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params);
 934                 }
 935                 else
 936                 {
 937                         std::deque<std::string> params;
 938                         params.push_back(channel->name);
 939                         params.push_back(ConvToStr(channel->age));
 940                         Utils->DoOneToMany(user->nick,"JOIN",params);
 941                 }
 942         }
 943 }
 944
 945 void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost)
 946 {
 947         // only occurs for local clients
 948         if (user->registered != REG_ALL)
 949                 return;
 950         std::deque<std::string> params;
 951         params.push_back(newhost);
 952         Utils->DoOneToMany(user->nick,"FHOST",params);
 953 }
 954
 955 void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos)
 956 {
 957         // only occurs for local clients
 958         if (user->registered != REG_ALL)
 959                 return;
 960         std::deque<std::string> params;
 961         params.push_back(gecos);
 962         Utils->DoOneToMany(user->nick,"FNAME",params);
 963 }
 964
 965 void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
 966 {
 967         if (IS_LOCAL(user))
 968         {
 969                 std::deque<std::string> params;
 970                 params.push_back(channel->name);
 971                 if (partmessage != "")
 972                         params.push_back(":"+partmessage);
 973                 Utils->DoOneToMany(user->nick,"PART",params);
 974         }
 975 }
 976
 977 void ModuleSpanningTree::OnUserConnect(userrec* user)
 978 {
 979         char agestr[MAXBUF];
 980         if (IS_LOCAL(user))
 981         {
 982                 std::deque<std::string> params;
 983                 snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
 984                 params.push_back(agestr);
 985                 params.push_back(user->nick);
 986                 params.push_back(user->host);
 987                 params.push_back(user->dhost);
 988                 params.push_back(user->ident);
 989                 params.push_back("+"+std::string(user->FormatModes()));
 990                 params.push_back(user->GetIPString());
 991                 params.push_back(":"+std::string(user->fullname));
 992                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
 993                 // User is Local, change needs to be reflected!
 994                 TreeServer* SourceServer = Utils->FindServer(user->server);
 995                 if (SourceServer)
 996                 {
 997                         SourceServer->AddUserCount();
 998                 }
 999         }
1000 }
1001
1002 void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
1003 {
1004         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1005         {
1006                 std::deque<std::string> params;
1007
1008                 if (oper_message != reason)
1009                 {
1010                         params.push_back(":"+oper_message);
1011                         Utils->DoOneToMany(user->nick,"OPERQUIT",params);
1012                 }
1013                 params.clear();
1014                 params.push_back(":"+reason);
1015                 Utils->DoOneToMany(user->nick,"QUIT",params);
1016         }
1017         // Regardless, We need to modify the user Counts..
1018         TreeServer* SourceServer = Utils->FindServer(user->server);
1019         if (SourceServer)
1020         {
1021                 SourceServer->DelUserCount();
1022         }
1023 }
1024
1025 void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick)
1026 {
1027         if (IS_LOCAL(user))
1028         {
1029                 std::deque<std::string> params;
1030                 params.push_back(user->nick);
1031                 Utils->DoOneToMany(oldnick,"NICK",params);
1032         }
1033 }
1034
1035 void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)
1036 {
1037         if ((source) && (IS_LOCAL(source)))
1038         {
1039                 std::deque<std::string> params;
1040                 params.push_back(chan->name);
1041                 params.push_back(user->nick);
1042                 params.push_back(":"+reason);
1043                 Utils->DoOneToMany(source->nick,"KICK",params);
1044         }
1045         else if (!source)
1046         {
1047                 std::deque<std::string> params;
1048                 params.push_back(chan->name);
1049                 params.push_back(user->nick);
1050                 params.push_back(":"+reason);
1051                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
1052         }
1053 }
1054
1055 void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason)
1056 {
1057         std::deque<std::string> params;
1058         params.push_back(dest->nick);
1059         params.push_back(":"+reason);
1060         Utils->DoOneToMany(source->nick,"KILL",params);
1061 }
1062
1063 void ModuleSpanningTree::OnRehash(userrec* user, const std::string &parameter)
1064 {
1065         if (parameter != "")
1066         {
1067                 std::deque<std::string> params;
1068                 params.push_back(parameter);
1069                 Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->ServerName, "REHASH", params);
1070                 // check for self
1071                 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
1072                 {
1073                         ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
1074                         ServerInstance->RehashServer();
1075                 }
1076         }
1077         Utils->ReadConfiguration(false);
1078         InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
1079 }
1080
1081 // note: the protocol does not allow direct umode +o except
1082 // via NICK with 8 params. sending OPERTYPE infers +o modechange
1083 // locally.
1084 void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype)
1085 {
1086         if (IS_LOCAL(user))
1087         {
1088                 std::deque<std::string> params;
1089                 params.push_back(opertype);
1090                 Utils->DoOneToMany(user->nick,"OPERTYPE",params);
1091         }
1092 }
1093
1094 void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
1095 {
1096         if (!source)
1097         {
1098                 /* Server-set lines */
1099                 char data[MAXBUF];
1100                 snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false),
1101                                 (unsigned long)duration, reason.c_str());
1102                 std::deque<std::string> params;
1103                 params.push_back(data);
1104                 Utils->DoOneToMany(ServerInstance->Config->ServerName, "ADDLINE", params);
1105         }
1106         else
1107         {
1108                 if (IS_LOCAL(source))
1109                 {
1110                         char type[8];
1111                         snprintf(type,8,"%cLINE",linetype);
1112                         std::string stype = type;
1113                         if (adding)
1114                         {
1115                                 char sduration[MAXBUF];
1116                                 snprintf(sduration,MAXBUF,"%ld",duration);
1117                                 std::deque<std::string> params;
1118                                 params.push_back(host);
1119                                 params.push_back(sduration);
1120                                 params.push_back(":"+reason);
1121                                 Utils->DoOneToMany(source->nick,stype,params);
1122                         }
1123                         else
1124                         {
1125                                 std::deque<std::string> params;
1126                                 params.push_back(host);
1127                                 Utils->DoOneToMany(source->nick,stype,params);
1128                         }
1129                 }
1130         }
1131 }
1132
1133 void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1134 {
1135         OnLine(source,hostmask,true,'G',duration,reason);
1136 }
1137
1138 void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
1139 {
1140         OnLine(source,ipmask,true,'Z',duration,reason);
1141 }
1142
1143 void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
1144 {
1145         OnLine(source,nickmask,true,'Q',duration,reason);
1146 }
1147
1148 void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1149 {
1150         OnLine(source,hostmask,true,'E',duration,reason);
1151 }
1152
1153 void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask)
1154 {
1155         OnLine(source,hostmask,false,'G',0,"");
1156 }
1157
1158 void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask)
1159 {
1160         OnLine(source,ipmask,false,'Z',0,"");
1161 }
1162
1163 void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask)
1164 {
1165         OnLine(source,nickmask,false,'Q',0,"");
1166 }
1167
1168 void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask)
1169 {
1170         OnLine(source,hostmask,false,'E',0,"");
1171 }
1172
1173 void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text)
1174 {
1175         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1176         {
1177                 std::deque<std::string> params;
1178                 std::string command;
1179
1180                 if (target_type == TYPE_USER)
1181                 {
1182                         userrec* u = (userrec*)dest;
1183                         params.push_back(u->nick);
1184                         params.push_back(text);
1185                         command = "MODE";
1186                 }
1187                 else
1188                 {
1189                         chanrec* c = (chanrec*)dest;
1190                         params.push_back(c->name);
1191                         params.push_back(ConvToStr(c->age));
1192                         params.push_back(text);
1193                         command = "FMODE";
1194                 }
1195                 Utils->DoOneToMany(user->nick, command, params);
1196         }
1197 }
1198
1199 void ModuleSpanningTree::OnSetAway(userrec* user)
1200 {
1201         if (IS_LOCAL(user))
1202         {
1203                 std::deque<std::string> params;
1204                 params.push_back(":"+std::string(user->awaymsg));
1205                 Utils->DoOneToMany(user->nick,"AWAY",params);
1206         }
1207 }
1208
1209 void ModuleSpanningTree::OnCancelAway(userrec* user)
1210 {
1211         if (IS_LOCAL(user))
1212         {
1213                 std::deque<std::string> params;
1214                 params.clear();
1215                 Utils->DoOneToMany(user->nick,"AWAY",params);
1216         }
1217 }
1218
1219 void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
1220 {
1221         TreeSocket* s = (TreeSocket*)opaque;
1222         if (target)
1223         {
1224                 if (target_type == TYPE_USER)
1225                 {
1226                         userrec* u = (userrec*)target;
1227                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
1228                 }
1229                 else
1230                 {
1231                         chanrec* c = (chanrec*)target;
1232                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
1233                 }
1234         }
1235 }
1236
1237 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
1238 {
1239         TreeSocket* s = (TreeSocket*)opaque;
1240         if (target)
1241         {
1242                 if (target_type == TYPE_USER)
1243                 {
1244                         userrec* u = (userrec*)target;
1245                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
1246                 }
1247                 else if (target_type == TYPE_CHANNEL)
1248                 {
1249                         chanrec* c = (chanrec*)target;
1250                         s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
1251                 }
1252         }
1253         if (target_type == TYPE_OTHER)
1254         {
1255                 s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
1256         }
1257 }
1258
1259 void ModuleSpanningTree::OnEvent(Event* event)
1260 {
1261         std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
1262         if (event->GetEventID() == "send_metadata")
1263         {
1264                 if (params->size() < 3)
1265                         return;
1266                 (*params)[2] = ":" + (*params)[2];
1267                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
1268         }
1269         else if (event->GetEventID() == "send_topic")
1270         {
1271                 if (params->size() < 2)
1272                         return;
1273                 (*params)[1] = ":" + (*params)[1];
1274                 params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
1275                 params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true)));
1276                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params);
1277         }
1278         else if (event->GetEventID() == "send_mode")
1279         {
1280                 if (params->size() < 2)
1281                         return;
1282                 // Insert the TS value of the object, either userrec or chanrec
1283                 time_t ourTS = 0;
1284                 userrec* a = ServerInstance->FindNick((*params)[0]);
1285                 if (a)
1286                 {
1287                         ourTS = a->age;
1288                         Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1289                         return;
1290                 }
1291                 else
1292                 {
1293                         chanrec* a = ServerInstance->FindChan((*params)[0]);
1294                         if (a)
1295                         {
1296                                 ourTS = a->age;
1297                                 params->insert(params->begin() + 1,ConvToStr(ourTS));
1298                                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
1299                         }
1300                 }
1301         }
1302         else if (event->GetEventID() == "send_mode_explicit")
1303         {
1304                 if (params->size() < 2)
1305                         return;
1306                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
1307         }
1308         else if (event->GetEventID() == "send_opers")
1309         {
1310                 if (params->size() < 1)
1311                         return;
1312                 (*params)[0] = ":" + (*params)[0];
1313                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"OPERNOTICE",*params);
1314         }
1315         else if (event->GetEventID() == "send_modeset")
1316         {
1317                 if (params->size() < 2)
1318                         return;
1319                 (*params)[1] = ":" + (*params)[1];
1320                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODENOTICE",*params);
1321         }
1322         else if (event->GetEventID() == "send_snoset")
1323         {
1324                 if (params->size() < 2)
1325                         return;
1326                 (*params)[1] = ":" + (*params)[1];
1327                 Utils->DoOneToMany(ServerInstance->Config->ServerName,"SNONOTICE",*params);
1328         }
1329         else if (event->GetEventID() == "send_push")
1330         {
1331                 if (params->size() < 2)
1332                         return;
1333
1334                 userrec *a = ServerInstance->FindNick((*params)[0]);
1335
1336                 if (!a)
1337                         return;
1338
1339                 (*params)[1] = ":" + (*params)[1];
1340                 Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", *params, a->server);
1341         }
1342 }
1343
1344 ModuleSpanningTree::~ModuleSpanningTree()
1345 {
1346         /* This will also free the listeners */
1347         delete Utils;
1348         if (SyncTimer)
1349                 ServerInstance->Timers->DelTimer(SyncTimer);
1350
1351         ServerInstance->Timers->DelTimer(RefreshTimer);
1352
1353         ServerInstance->DoneWithInterface("InspSocketHook");
1354 }
1355
1356 Version ModuleSpanningTree::GetVersion()
1357 {
1358         return Version(1,1,0,2,VF_VENDOR,API_VERSION);
1359 }
1360
1361 void ModuleSpanningTree::Implements(char* List)
1362 {
1363         List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
1364         List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
1365         List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
1366         List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
1367         List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
1368         List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
1369         List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
1370 }
1371
1372 /* It is IMPORTANT that m_spanningtree is the last module in the chain
1373  * so that any activity it sees is FINAL, e.g. we arent going to send out
1374  * a NICK message before m_cloaking has finished putting the +x on the user,
1375  * etc etc.
1376  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
1377  * the module call queue.
1378  */
1379 Priority ModuleSpanningTree::Prioritize()
1380 {
1381         return PRIORITY_LAST;
1382 }
1383
1384 class ModuleSpanningTreeFactory : public ModuleFactory
1385 {
1386  public:
1387         ModuleSpanningTreeFactory()
1388         {
1389         }
1390
1391         ~ModuleSpanningTreeFactory()
1392         {
1393         }
1394
1395         virtual Module * CreateModule(InspIRCd* Me)
1396         {
1397                 return new ModuleSpanningTree(Me);
1398         }
1399
1400 };
1401
1402
1403 extern "C" DllExport void * init_module( void )
1404 {
1405         return new ModuleSpanningTreeFactory;
1406 }