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