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