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