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