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