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 "inspircd.h"
  17 #include "commands/cmd_whois.h"
  18 #include "commands/cmd_stats.h"
  19 #include "socket.h"
  20 #include "wildcard.h"
  21 #include "xline.h"
  22 #include "transport.h"
  23
  24 #include "m_spanningtree/timesynctimer.h"
  25 #include "m_spanningtree/resolvers.h"
  26 #include "m_spanningtree/main.h"
  27 #include "m_spanningtree/utils.h"
  28 #include "m_spanningtree/treeserver.h"
  29 #include "m_spanningtree/link.h"
  30 #include "m_spanningtree/treesocket.h"
  31 #include "m_spanningtree/rconnect.h"
  32 #include "m_spanningtree/rsquit.h"
  33
  34 /* $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 m_spanningtree/rsquit.h */
  35
  36 ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me)
  37         : Module(Me), max_local(0), max_global(0)
  38 {
  39         ServerInstance->Modules->UseInterface("InspSocketHook");
  40         Utils = new SpanningTreeUtilities(Me, this);
  41         command_rconnect = new cmd_rconnect(ServerInstance, this, Utils);
  42         ServerInstance->AddCommand(command_rconnect);
  43         command_rsquit = new cmd_rsquit(ServerInstance, this, Utils);
  44         ServerInstance->AddCommand(command_rsquit);
  45         if (Utils->EnableTimeSync)
  46         {
  47                 SyncTimer = new TimeSyncTimer(ServerInstance, this);
  48                 ServerInstance->Timers->AddTimer(SyncTimer);
  49         }
  50         else
  51                 SyncTimer = NULL;
  52
  53         RefreshTimer = new CacheRefreshTimer(ServerInstance, Utils);
  54         ServerInstance->Timers->AddTimer(RefreshTimer);
  55 }
  56
  57 void ModuleSpanningTree::ShowLinks(TreeServer* Current, userrec* user, int hops)
  58 {
  59         std::string Parent = Utils->TreeRoot->GetName();
  60         if (Current->GetParent())
  61         {
  62                 Parent = Current->GetParent()->GetName();
  63         }
  64         for (unsigned int q = 0; q < Current->ChildCount(); q++)
  65         {
  66                 if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
  67                 {
  68                         if (*user->oper)
  69                         {
  70                                  ShowLinks(Current->GetChild(q),user,hops+1);
  71                         }
  72                 }
  73                 else
  74                 {
  75                         ShowLinks(Current->GetChild(q),user,hops+1);
  76                 }
  77         }
  78         /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
  79         if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user)))
  80                 return;
  81         /* Or if the server is hidden and they're not an oper */
  82         else if ((Current->Hidden) && (!IS_OPER(user)))
  83                 return;
  84
  85         user->WriteServ("364 %s %s %s :%d %s",  user->nick,Current->GetName().c_str(),
  86                         (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(),
  87                         (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
  88                         Current->GetDesc().c_str());
  89 }
  90
  91 int ModuleSpanningTree::CountLocalServs()
  92 {
  93         return Utils->TreeRoot->ChildCount();
  94 }
  95
  96 int ModuleSpanningTree::CountServs()
  97 {
  98         return Utils->serverlist.size();
  99 }
 100
 101 void ModuleSpanningTree::HandleLinks(const char** parameters, int pcnt, userrec* user)
 102 {
 103         ShowLinks(Utils->TreeRoot,user,0);
 104         user->WriteServ("365 %s * :End of /LINKS list.",user->nick);
 105         return;
 106 }
 107
 108 void ModuleSpanningTree::HandleLusers(const char** parameters, int pcnt, userrec* user)
 109 {
 110         unsigned int n_users = ServerInstance->UserCount();
 111
 112         /* Only update these when someone wants to see them, more efficient */
 113         if ((unsigned int)ServerInstance->LocalUserCount() > max_local)
 114                 max_local = ServerInstance->LocalUserCount();
 115         if (n_users > max_global)
 116                 max_global = n_users;
 117
 118         unsigned int ulined_count = 0;
 119         unsigned int ulined_local_count = 0;
 120
 121         /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden,
 122          * locally and globally (locally means directly connected to us)
 123          */
 124         if ((Utils->HideULines) && (!*user->oper))
 125         {
 126                 for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++)
 127                 {
 128                         if (ServerInstance->ULine(q->second->GetName().c_str()))
 129                         {
 130                                 ulined_count++;
 131                                 if (q->second->GetParent() == Utils->TreeRoot)
 132                                         ulined_local_count++;
 133                         }
 134                 }
 135         }
 136         user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,
 137                         n_users-ServerInstance->InvisibleUserCount(),
 138                         ServerInstance->InvisibleUserCount(),
 139                         ulined_count ? this->CountServs() - ulined_count : this->CountServs());
 140
 141         if (ServerInstance->OperCount())
 142                 user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount());
 143
 144         if (ServerInstance->UnregisteredUserCount())
 145                 user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount());
 146
 147         if (ServerInstance->ChannelCount())
 148                 user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount());
 149
 150         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());
 151         user->WriteServ("265 %s :Current Local Users: %d  Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local);
 152         user->WriteServ("266 %s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
 153         return;
 154 }
 155
 156 std::string ModuleSpanningTree::TimeToStr(time_t secs)
 157 {
 158         time_t mins_up = secs / 60;
 159         time_t hours_up = mins_up / 60;
 160         time_t days_up = hours_up / 24;
 161         secs = secs % 60;
 162         mins_up = mins_up % 60;
 163         hours_up = hours_up % 24;
 164         return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
 165                         + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
 166                         + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
 167                         + ConvToStr(secs) + "s");
 168 }
 169
 170 const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current)
 171 {
 172         time_t secs_up = ServerInstance->Time() - Current->age;
 173         return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"ms]");
 174 }
 175
 176 // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
 177 void ModuleSpanningTree::ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers)
 178 {
 179         if (line < 128)
 180         {
 181                 for (int t = 0; t < depth; t++)
 182                 {
 183                         matrix[line][t] = ' ';
 184                 }
 185                 // For Aligning, we need to work out exactly how deep this thing is, and produce
 186                 // a 'Spacer' String to compensate.
 187                 char spacer[40];
 188                 memset(spacer,' ',40);
 189                 if ((40 - Current->GetName().length() - depth) > 1) {
 190                         spacer[40 - Current->GetName().length() - depth] = '\0';
 191                 }
 192                 else
 193                 {
 194                         spacer[5] = '\0';
 195                 }
 196                 float percent;
 197                 char text[128];
 198                 /* Neat and tidy default values, as we're dealing with a matrix not a simple string */
 199                 memset(text, 0, 128);
 200
 201                 if (ServerInstance->clientlist->size() == 0) {
 202                         // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
 203                         percent = 0;
 204                 }
 205                 else
 206                 {
 207                         percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist->size()) * 100;
 208                 }
 209                 const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : "";
 210                 snprintf(text, 126, "%s %s%5d [%5.2f%%]%s", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent, operdata.c_str());
 211                 totusers += Current->GetUserCount();
 212                 totservers++;
 213                 strlcpy(&matrix[line][depth],text,126);
 214                 line++;
 215                 for (unsigned int q = 0; q < Current->ChildCount(); q++)
 216                 {
 217                         if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
 218                         {
 219                                 if (*user->oper)
 220                                 {
 221                                         ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 222                                 }
 223                         }
 224                         else
 225                         {
 226                                 ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
 227                         }
 228                 }
 229         }
 230 }
 231
 232 int ModuleSpanningTree::HandleMotd(const char** parameters, int pcnt, userrec* user)
 233 {
 234         if (pcnt > 0)
 235         {
 236                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 237                         return 0;
 238
 239                 /* Remote MOTD, the server is within the 1st parameter */
 240                 std::deque<std::string> params;
 241                 params.push_back(parameters[0]);
 242                 /* Send it out remotely, generate no reply yet */
 243                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 244                 if (s)
 245                 {
 246                         params[0] = s->GetName();
 247                         Utils->DoOneToOne(user->uuid, "MOTD", params, s->GetName());
 248                 }
 249                 else
 250                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 251                 return 1;
 252         }
 253         return 0;
 254 }
 255
 256 int ModuleSpanningTree::HandleAdmin(const char** parameters, int pcnt, userrec* user)
 257 {
 258         if (pcnt > 0)
 259         {
 260                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 261                         return 0;
 262
 263                 /* Remote ADMIN, the server is within the 1st parameter */
 264                 std::deque<std::string> params;
 265                 params.push_back(parameters[0]);
 266                 /* Send it out remotely, generate no reply yet */
 267                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 268                 if (s)
 269                 {
 270                         params[0] = s->GetName();
 271                         Utils->DoOneToOne(user->uuid, "ADMIN", params, s->GetName());
 272                 }
 273                 else
 274                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 275                 return 1;
 276         }
 277         return 0;
 278 }
 279
 280 int ModuleSpanningTree::HandleModules(const char** parameters, int pcnt, userrec* user)
 281 {
 282         if (pcnt > 0)
 283         {
 284                 if (match(ServerInstance->Config->ServerName, parameters[0]))
 285                         return 0;
 286
 287                 std::deque<std::string> params;
 288                 params.push_back(parameters[0]);
 289                 TreeServer* s = Utils->FindServerMask(parameters[0]);
 290                 if (s)
 291                 {
 292                         params[0] = s->GetName();
 293                         Utils->DoOneToOne(user->uuid, "MODULES", params, s->GetName());
 294                 }
 295                 else
 296                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
 297                 return 1;
 298         }
 299         return 0;
 300 }
 301
 302 int ModuleSpanningTree::HandleStats(const char** parameters, int pcnt, userrec* user)
 303 {
 304         if (pcnt > 1)
 305         {
 306                 if (match(ServerInstance->Config->ServerName, parameters[1]))
 307                         return 0;
 308
 309                 /* Remote STATS, the server is within the 2nd parameter */
 310                 std::deque<std::string> params;
 311                 params.push_back(parameters[0]);
 312                 params.push_back(parameters[1]);
 313                 /* Send it out remotely, generate no reply yet */
 314
 315                 TreeServer* s = Utils->FindServerMask(parameters[1]);
 316                 if (s)
 317                 {
 318                         params[1] = s->GetName();
 319                         Utils->DoOneToOne(user->uuid, "STATS", params, s->GetName());
 320                 }
 321                 else
 322                 {
 323                         user->WriteServ( "402 %s %s :No such server", user->nick, parameters[1]);
 324                 }
 325                 return 1;
 326         }
 327         return 0;
 328 }
 329
 330 // Ok, prepare to be confused.
 331 // After much mulling over how to approach this, it struck me that
 332 // the 'usual' way of doing a /MAP isnt the best way. Instead of
 333 // keeping track of a ton of ascii characters, and line by line
 334 // under recursion working out where to place them using multiplications
 335 // and divisons, we instead render the map onto a backplane of characters
 336 // (a character matrix), then draw the branches as a series of "L" shapes
 337 // from the nodes. This is not only friendlier on CPU it uses less stack.
 338 void ModuleSpanningTree::HandleMap(const char** parameters, int pcnt, userrec* user)
 339 {
 340         // This array represents a virtual screen which we will
 341         // "scratch" draw to, as the console device of an irc
 342         // client does not provide for a proper terminal.
 343         float totusers = 0;
 344         float totservers = 0;
 345         char matrix[128][128];
 346         for (unsigned int t = 0; t < 128; t++)
 347         {
 348                 matrix[t][0] = '\0';
 349         }
 350         line = 0;
 351         // The only recursive bit is called here.
 352         ShowMap(Utils->TreeRoot,user,0,matrix,totusers,totservers);
 353         // Process each line one by one. The algorithm has a limit of
 354         // 128 servers (which is far more than a spanning tree should have
 355         // anyway, so we're ok). This limit can be raised simply by making
 356         // the character matrix deeper, 128 rows taking 10k of memory.
 357         for (int l = 1; l < line; l++)
 358         {
 359                 // scan across the line looking for the start of the
 360                 // servername (the recursive part of the algorithm has placed
 361                 // the servers at indented positions depending on what they
 362                 // are related to)
 363                 int first_nonspace = 0;
 364                 while (matrix[l][first_nonspace] == ' ')
 365                 {
 366                         first_nonspace++;
 367                 }
 368                 first_nonspace--;
 369                 // Draw the `- (corner) section: this may be overwritten by
 370                 // another L shape passing along the same vertical pane, becoming
 371                 // a |- (branch) section instead.
 372                 matrix[l][first_nonspace] = '-';
 373                 matrix[l][first_nonspace-1] = '`';
 374                 int l2 = l - 1;
 375                 // Draw upwards until we hit the parent server, causing possibly
 376                 // other corners (`-) to become branches (|-)
 377                 while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
 378                 {
 379                         matrix[l2][first_nonspace-1] = '|';
 380                         l2--;
 381                 }
 382         }
 383         // dump the whole lot to the user. This is the easy bit, honest.
 384         for (int t = 0; t < line; t++)
 385         {
 386                 user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
 387         }
 388         float avg_users = totusers / totservers;
 389         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);
 390         user->WriteServ("007 %s :End of /MAP",user->nick);
 391         return;
 392 }
 393
 394 int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user)
 395 {
 396         TreeServer* s = Utils->FindServerMask(parameters[0]);
 397         if (s)
 398         {
 399                 if (s == Utils->TreeRoot)
 400                 {
 401                         user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
 402                         return 1;
 403                 }
 404                 TreeSocket* sock = s->GetSocket();
 405                 if (sock)
 406                 {
 407                         ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
 408                         sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost());
 409                         ServerInstance->SE->DelFd(sock);
 410                         sock->Close();
 411                 }
 412                 else
 413                 {
 414                         if (IS_LOCAL(user))
 415                                 user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick);
 416                 }
 417         }
 418         else
 419         {
 420                  user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
 421         }
 422         return 1;
 423 }
 424
 425 int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user)
 426 {
 427         if ((IS_LOCAL(user)) && (pcnt))
 428         {
 429                 TreeServer* found = Utils->FindServerMask(parameters[0]);
 430                 if (found)
 431                 {
 432                         // we dont' override for local server
 433                         if (found == Utils->TreeRoot)
 434                                 return 0;
 435
 436                         std::deque<std::string> params;
 437                         params.push_back(found->GetName());
 438                         params.push_back(user->uuid);
 439                         Utils->DoOneToOne(ServerInstance->Config->GetSID(),"TIME",params,found->GetName());
 440                 }
 441                 else
 442                 {
 443                         user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 444                 }
 445         }
 446         return 1;
 447 }
 448
 449 int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
 450 {
 451         if ((IS_LOCAL(user)) && (pcnt > 1))
 452         {
 453                 userrec* remote = ServerInstance->FindNick(parameters[1]);
 454                 if ((remote) && (remote->GetFd() < 0))
 455                 {
 456                         std::deque<std::string> params;
 457                         params.push_back(parameters[1]);
 458                         Utils->DoOneToOne(user->uuid,"IDLE",params,remote->server);
 459                         return 1;
 460                 }
 461                 else if (!remote)
 462                 {
 463                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
 464                         user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
 465                         return 1;
 466                 }
 467         }
 468         return 0;
 469 }
 470
 471 void ModuleSpanningTree::DoPingChecks(time_t curtime)
 472 {
 473         for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
 474         {
 475                 TreeServer* serv = Utils->TreeRoot->GetChild(j);
 476                 TreeSocket* sock = serv->GetSocket();
 477                 if (sock)
 478                 {
 479                         if (curtime >= serv->NextPingTime())
 480                         {
 481                                 if (serv->AnsweredLastPing())
 482                                 {
 483                                         sock->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" PING "+serv->GetName());
 484                                         serv->SetNextPingTime(curtime + Utils->PingFreq);
 485                                         serv->LastPing = curtime;
 486                                         timeval t;
 487                                         gettimeofday(&t, NULL);
 488                                         long ts = (t.tv_sec * 1000) + (t.tv_usec / 1000);
 489                                         serv->LastPingMsec = ts;
 490                                         serv->Warned = false;
 491                                 }
 492                                 else
 493                                 {
 494                                         /* they didnt answer, boot them */
 495                                         sock->SendError("Ping timeout");
 496                                         sock->Squit(serv,"Ping timeout");
 497                                         ServerInstance->SE->DelFd(sock);
 498                                         sock->Close();
 499                                         return;
 500                                 }
 501                         }
 502                         else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
 503                         {
 504                                 /* The server hasnt responded, send a warning to opers */
 505                                 ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
 506                                 serv->Warned = true;
 507                         }
 508                 }
 509         }
 510
 511         /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
 512          * This prevents lost REMOTECONNECT notices
 513          */
 514         for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
 515                 Utils->SetRemoteBursting(i->second, false);
 516 }
 517
 518 void ModuleSpanningTree::ConnectServer(Link* x)
 519 {
 520         bool ipvalid = true;
 521         QueryType start_type = DNS_QUERY_A;
 522 #ifdef IPV6
 523         start_type = DNS_QUERY_AAAA;
 524         if (strchr(x->IPAddr.c_str(),':'))
 525         {
 526                 in6_addr n;
 527                 if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
 528                         ipvalid = false;
 529         }
 530         else
 531 #endif
 532         {
 533                 in_addr n;
 534                 if (inet_aton(x->IPAddr.c_str(),&n) < 1)
 535                         ipvalid = false;
 536         }
 537
 538         /* Do we already have an IP? If so, no need to resolve it. */
 539         if (ipvalid)
 540         {
 541                 /* Gave a hook, but it wasnt one we know */
 542                 if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
 543                         return;
 544                 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()]);
 545                 if (newsocket->GetFd() > -1)
 546                 {
 547                         /* Handled automatically on success */
 548                 }
 549                 else
 550                 {
 551                         RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
 552                         if (ServerInstance->SocketCull.find(newsocket) == ServerInstance->SocketCull.end())
 553                                 ServerInstance->SocketCull[newsocket] = newsocket;
 554                         Utils->DoFailOver(x);
 555                 }
 556         }
 557         else
 558         {
 559                 try
 560                 {
 561                         bool cached;
 562                         ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
 563                         ServerInstance->AddResolver(snr, cached);
 564                 }
 565                 catch (ModuleException& e)
 566                 {
 567                         RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
 568                         Utils->DoFailOver(x);
 569                 }
 570         }
 571 }
 572
 573 void ModuleSpanningTree::AutoConnectServers(time_t curtime)
 574 {
 575         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 576         {
 577                 if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
 578                 {
 579                         x->NextConnectTime = curtime + x->AutoConnect;
 580                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 581                         if (x->FailOver.length())
 582                         {
 583                                 TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str());
 584                                 if (CheckFailOver)
 585                                 {
 586                                         /* The failover for this server is currently a member of the network.
 587                                          * The failover probably succeeded, where the main link did not.
 588                                          * Don't try the main link until the failover is gone again.
 589                                          */
 590                                         continue;
 591                                 }
 592                         }
 593                         if (!CheckDupe)
 594                         {
 595                                 // an autoconnected server is not connected. Check if its time to connect it
 596                                 ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
 597                                 this->ConnectServer(&(*x));
 598                         }
 599                 }
 600         }
 601 }
 602
 603 int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user)
 604 {
 605         // we've already checked if pcnt > 0, so this is safe
 606         TreeServer* found = Utils->FindServerMask(parameters[0]);
 607         if (found)
 608         {
 609                 std::string Version = found->GetVersion();
 610                 user->WriteServ("351 %s :%s",user->nick,Version.c_str());
 611                 if (found == Utils->TreeRoot)
 612                 {
 613                         ServerInstance->Config->Send005(user);
 614                 }
 615         }
 616         else
 617         {
 618                 user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
 619         }
 620         return 1;
 621 }
 622
 623 /* This method will attempt to get a link message out to as many people as is required.
 624  * If a user is provided, and that user is local, then the user is sent the message using
 625  * WriteServ (they are the local initiator of that message). If the user is remote, they are
 626  * sent that message remotely via PUSH.
 627  * If the user is NULL, then the notice is sent locally via WriteToSnoMask with snomask 'l',
 628  * and remotely via SNONOTICE with mask 'l'.
 629  */
 630 void ModuleSpanningTree::RemoteMessage(userrec* user, const char* format, ...)
 631 {
 632         std::deque<std::string> params;
 633         char text[MAXBUF];
 634         va_list argsPtr;
 635
 636         va_start(argsPtr, format);
 637         vsnprintf(text, MAXBUF, format, argsPtr);
 638         va_end(argsPtr);
 639
 640         if (!user)
 641         {
 642                 /* No user, target it generically at everyone */
 643                 ServerInstance->SNO->WriteToSnoMask('l', "%s", text);
 644                 params.push_back("l");
 645                 params.push_back(std::string(":") + text);
 646                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "SNONOTICE", params);
 647         }
 648         else
 649         {
 650                 if (IS_LOCAL(user))
 651                         user->WriteServ("NOTICE %s :%s", user->nick, text);
 652                 else
 653                 {
 654                         params.push_back(user->uuid);
 655                         params.push_back(std::string("::") + ServerInstance->Config->ServerName + " NOTICE " + user->nick + " :*** From " +
 656                                         ServerInstance->Config->ServerName+ ": " + text);
 657                         Utils->DoOneToMany(ServerInstance->Config->GetSID(), "PUSH", params);
 658                 }
 659         }
 660 }
 661
 662 int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user)
 663 {
 664         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 665         {
 666                 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
 667                 {
 668                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 669                         if (!CheckDupe)
 670                         {
 671                                 RemoteMessage(user, "*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
 672                                 ConnectServer(&(*x));
 673                                 return 1;
 674                         }
 675                         else
 676                         {
 677                                 RemoteMessage(user, "*** 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());
 678                                 return 1;
 679                         }
 680                 }
 681         }
 682         RemoteMessage(user, "NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
 683         return 1;
 684 }
 685
 686 void ModuleSpanningTree::BroadcastTimeSync()
 687 {
 688         if (Utils->MasterTime)
 689         {
 690                 std::deque<std::string> params;
 691                 params.push_back(ConvToStr(ServerInstance->Time(false)));
 692                 params.push_back("FORCE");
 693                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "TIMESET", params);
 694         }
 695 }
 696
 697 int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results)
 698 {
 699         if ((statschar == 'c') || (statschar == 'n'))
 700         {
 701                 for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++)
 702                 {
 703                         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');
 704                         if (statschar == 'c')
 705                                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str());
 706                 }
 707                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
 708                 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);
 709                 return 1;
 710         }
 711
 712         if (statschar == 'p')
 713         {
 714                 /* show all server ports, after showing client ports. -- w00t */
 715
 716                 for (unsigned int i = 0; i < Utils->Bindings.size(); i++)
 717                 {
 718                         std::string ip = Utils->Bindings[i]->IP;
 719                         if (ip.empty())
 720                                 ip = "*";
 721
 722                         std::string transport("plaintext");
 723                         if (Utils->Bindings[i]->GetHook())
 724                                 transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send();
 725
 726                         results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+
 727                                 " (server, " + transport + ")");
 728                 }
 729         }
 730         return 0;
 731 }
 732
 733 int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
 734 {
 735         /* If the command doesnt appear to be valid, we dont want to mess with it. */
 736         if (!validated)
 737                 return 0;
 738
 739         if (command == "CONNECT")
 740         {
 741                 return this->HandleConnect(parameters,pcnt,user);
 742         }
 743         else if (command == "STATS")
 744         {
 745                 return this->HandleStats(parameters,pcnt,user);
 746         }
 747         else if (command == "MOTD")
 748         {
 749                 return this->HandleMotd(parameters,pcnt,user);
 750         }
 751         else if (command == "ADMIN")
 752         {
 753                 return this->HandleAdmin(parameters,pcnt,user);
 754         }
 755         else if (command == "SQUIT")
 756         {
 757                 return this->HandleSquit(parameters,pcnt,user);
 758         }
 759         else if (command == "MAP")
 760         {
 761                 this->HandleMap(parameters,pcnt,user);
 762                 return 1;
 763         }
 764         else if ((command == "TIME") && (pcnt > 0))
 765         {
 766                 return this->HandleTime(parameters,pcnt,user);
 767         }
 768         else if (command == "LUSERS")
 769         {
 770                 this->HandleLusers(parameters,pcnt,user);
 771                 return 1;
 772         }
 773         else if (command == "LINKS")
 774         {
 775                 this->HandleLinks(parameters,pcnt,user);
 776                 return 1;
 777         }
 778         else if (command == "WHOIS")
 779         {
 780                 if (pcnt > 1)
 781                 {
 782                         // remote whois
 783                         return this->HandleRemoteWhois(parameters,pcnt,user);
 784                 }
 785         }
 786         else if ((command == "VERSION") && (pcnt > 0))
 787         {
 788                 this->HandleVersion(parameters,pcnt,user);
 789                 return 1;
 790         }
 791         else if ((command == "MODULES") && (pcnt > 0))
 792         {
 793                 return this->HandleModules(parameters,pcnt,user);
 794         }
 795         return 0;
 796 }
 797
 798 void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
 799 {
 800         if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
 801         {
 802                 /* Safe, we know its non-null because IsValidModuleCommand returned true */
 803                 command_t* thiscmd = ServerInstance->Parser->GetHandler(command);
 804                 // this bit of code cleverly routes all module commands
 805                 // to all remote severs *automatically* so that modules
 806                 // can just handle commands locally, without having
 807                 // to have any special provision in place for remote
 808                 // commands and linking protocols.
 809                 std::deque<std::string> params;
 810                 params.clear();
 811                 int n_translate = thiscmd->translation.size();
 812                 TranslateType translate_to;
 813
 814                 for (int j = 0; j < pcnt; j++)
 815                 {
 816                         std::string target;
 817
 818                         /* Map all items to UUIDs where neccessary */
 819                         if (j < n_translate)
 820                         {
 821                                 /* We have a translation mapping for this index */
 822                                 translate_to = thiscmd->translation[j] != TR_END ? thiscmd->translation[j] : TR_TEXT;
 823                         }
 824                         else
 825                                 translate_to = TR_TEXT;
 826
 827                         ServerInstance->Log(DEBUG,"TRANSLATION: %s - type is %d", parameters[j], translate_to);
 828                         ServerInstance->Parser->TranslateUIDs(translate_to, parameters[j], target);
 829
 830                         if (strchr(parameters[j],' '))
 831                                 params.push_back(":" + target);
 832                         else
 833                                 params.push_back(target);
 834                 }
 835                 Utils->DoOneToMany(user->uuid, command, params);
 836         }
 837 }
 838
 839 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 840 {
 841         TreeServer* s = Utils->FindServer(servername);
 842         if (s)
 843         {
 844                 description = s->GetDesc();
 845         }
 846 }
 847
 848 void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
 849 {
 850         if (IS_LOCAL(source))
 851         {
 852                 std::deque<std::string> params;
 853                 params.push_back(dest->uuid);
 854                 params.push_back(channel->name);
 855                 Utils->DoOneToMany(source->uuid,"INVITE",params);
 856         }
 857 }
 858
 859 void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
 860 {
 861         std::deque<std::string> params;
 862         params.push_back(chan->name);
 863         params.push_back(":"+topic);
 864         Utils->DoOneToMany(user->uuid,"TOPIC",params);
 865 }
 866
 867 void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text)
 868 {
 869         if (IS_LOCAL(user))
 870         {
 871                 std::deque<std::string> params;
 872                 params.push_back(":"+text);
 873                 Utils->DoOneToMany(user->uuid,"WALLOPS",params);
 874         }
 875 }
 876
 877 void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 878 {
 879         if (target_type == TYPE_USER)
 880         {
 881                 userrec* d = (userrec*)dest;
 882                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 883                 {
 884                         std::deque<std::string> params;
 885                         params.clear();
 886                         params.push_back(d->uuid);
 887                         params.push_back(":"+text);
 888                         Utils->DoOneToOne(user->uuid,"NOTICE",params,d->server);
 889                 }
 890         }
 891         else if (target_type == TYPE_CHANNEL)
 892         {
 893                 if (IS_LOCAL(user))
 894                 {
 895                         chanrec *c = (chanrec*)dest;
 896                         if (c)
 897                         {
 898                                 std::string cname = c->name;
 899                                 if (status)
 900                                         cname = status + cname;
 901                                 TreeServerList list;
 902                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 903                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 904                                 {
 905                                         TreeSocket* Sock = i->second->GetSocket();
 906                                         if (Sock)
 907                                                 Sock->WriteLine(":"+std::string(user->uuid)+" NOTICE "+cname+" :"+text);
 908                                 }
 909                         }
 910                 }
 911         }
 912         else if (target_type == TYPE_SERVER)
 913         {
 914                 if (IS_LOCAL(user))
 915                 {
 916                         char* target = (char*)dest;
 917                         std::deque<std::string> par;
 918                         par.push_back(target);
 919                         par.push_back(":"+text);
 920                         Utils->DoOneToMany(user->uuid,"NOTICE",par);
 921                 }
 922         }
 923 }
 924
 925 void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 926 {
 927         if (target_type == TYPE_USER)
 928         {
 929                 // route private messages which are targetted at clients only to the server
 930                 // which needs to receive them
 931                 userrec* d = (userrec*)dest;
 932                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 933                 {
 934                         std::deque<std::string> params;
 935                         params.clear();
 936                         params.push_back(d->uuid);
 937                         params.push_back(":"+text);
 938                         Utils->DoOneToOne(user->uuid,"PRIVMSG",params,d->server);
 939                 }
 940         }
 941         else if (target_type == TYPE_CHANNEL)
 942         {
 943                 if (IS_LOCAL(user))
 944                 {
 945                         chanrec *c = (chanrec*)dest;
 946                         if (c)
 947                         {
 948                                 std::string cname = c->name;
 949                                 if (status)
 950                                         cname = status + cname;
 951                                 TreeServerList list;
 952                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 953                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 954                                 {
 955                                         TreeSocket* Sock = i->second->GetSocket();
 956                                         if (Sock)
 957                                                 Sock->WriteLine(":"+std::string(user->uuid)+" PRIVMSG "+cname+" :"+text);
 958                                 }
 959                         }
 960                 }
 961         }
 962         else if (target_type == TYPE_SERVER)
 963         {
 964                 if (IS_LOCAL(user))
 965                 {
 966                         char* target = (char*)dest;
 967                         std::deque<std::string> par;
 968                         par.push_back(target);
 969                         par.push_back(":"+text);
 970                         Utils->DoOneToMany(user->uuid,"PRIVMSG",par);
 971                 }
 972         }
 973 }
 974
 975 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 976 {
 977         AutoConnectServers(curtime);
 978         DoPingChecks(curtime);
 979 }
 980
 981 void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent)
 982 {
 983         // Only do this for local users
 984         if (IS_LOCAL(user))
 985         {
 986                 if (channel->GetUserCounter() == 1)
 987                 {
 988                         std::deque<std::string> params;
 989                         // set up their permissions and the channel TS with FJOIN.
 990                         // All users are FJOINed now, because a module may specify
 991                         // new joining permissions for the user.
 992                         params.push_back(channel->name);
 993                         params.push_back(ConvToStr(channel->age));
 994                         params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->uuid));
 995                         Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FJOIN",params);
 996                         /* First user in, sync the modes for the channel */
 997                         params.pop_back();
 998                         params.push_back(channel->ChanModes(true));
 999                         Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FMODE",params);
1000                 }
1001                 else
1002                 {
1003                         std::deque<std::string> params;
1004                         params.push_back(channel->name);
1005                         params.push_back(ConvToStr(channel->age));
1006                         Utils->DoOneToMany(user->uuid,"JOIN",params);
1007                 }
1008         }
1009 }
1010
1011 void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost)
1012 {
1013         // only occurs for local clients
1014         if (user->registered != REG_ALL)
1015                 return;
1016         std::deque<std::string> params;
1017         params.push_back(newhost);
1018         Utils->DoOneToMany(user->uuid,"FHOST",params);
1019 }
1020
1021 void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos)
1022 {
1023         // only occurs for local clients
1024         if (user->registered != REG_ALL)
1025                 return;
1026         std::deque<std::string> params;
1027         params.push_back(gecos);
1028         Utils->DoOneToMany(user->uuid,"FNAME",params);
1029 }
1030
1031 void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
1032 {
1033         if (IS_LOCAL(user))
1034         {
1035                 std::deque<std::string> params;
1036                 params.push_back(channel->name);
1037                 if (!partmessage.empty())
1038                         params.push_back(":"+partmessage);
1039                 Utils->DoOneToMany(user->uuid,"PART",params);
1040         }
1041 }
1042
1043 void ModuleSpanningTree::OnUserConnect(userrec* user)
1044 {
1045         if (IS_LOCAL(user))
1046         {
1047                 std::deque<std::string> params;
1048                 params.push_back(user->uuid);
1049                 params.push_back(ConvToStr(user->age));
1050                 params.push_back(user->nick);
1051                 params.push_back(user->host);
1052                 params.push_back(user->dhost);
1053                 params.push_back(user->ident);
1054                 params.push_back("+"+std::string(user->FormatModes()));
1055                 params.push_back(user->GetIPString());
1056                 params.push_back(ConvToStr(user->signon));
1057                 params.push_back(":"+std::string(user->fullname));
1058                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "UID", params);
1059                 // User is Local, change needs to be reflected!
1060                 TreeServer* SourceServer = Utils->FindServer(user->server);
1061                 if (SourceServer)
1062                 {
1063                         SourceServer->AddUserCount();
1064                 }
1065         }
1066 }
1067
1068 void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
1069 {
1070         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1071         {
1072                 std::deque<std::string> params;
1073
1074                 if (oper_message != reason)
1075                 {
1076                         params.push_back(":"+oper_message);
1077                         Utils->DoOneToMany(user->uuid,"OPERQUIT",params);
1078                 }
1079                 params.clear();
1080                 params.push_back(":"+reason);
1081                 Utils->DoOneToMany(user->uuid,"QUIT",params);
1082         }
1083         // Regardless, We need to modify the user Counts..
1084         TreeServer* SourceServer = Utils->FindServer(user->server);
1085         if (SourceServer)
1086         {
1087                 SourceServer->DelUserCount();
1088         }
1089 }
1090
1091 void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick)
1092 {
1093         if (IS_LOCAL(user))
1094         {
1095                 std::deque<std::string> params;
1096                 params.push_back(user->nick);
1097
1098                 /** IMPORTANT: We don't update the TS if the oldnick is just a case change of the newnick!
1099                  */
1100                 if (irc::string(user->nick) != assign(oldnick))
1101                         user->age = ServerInstance->Time(true);
1102
1103                 params.push_back(ConvToStr(user->age));
1104                 Utils->DoOneToMany(user->uuid,"NICK",params);
1105         }
1106 }
1107
1108 void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)
1109 {
1110         if ((source) && (IS_LOCAL(source)))
1111         {
1112                 std::deque<std::string> params;
1113                 params.push_back(chan->name);
1114                 params.push_back(user->uuid);
1115                 params.push_back(":"+reason);
1116                 Utils->DoOneToMany(source->uuid,"KICK",params);
1117         }
1118         else if (!source)
1119         {
1120                 std::deque<std::string> params;
1121                 params.push_back(chan->name);
1122                 params.push_back(user->uuid);
1123                 params.push_back(":"+reason);
1124                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"KICK",params);
1125         }
1126 }
1127
1128 void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason)
1129 {
1130         std::deque<std::string> params;
1131         params.push_back(":"+reason);
1132         Utils->DoOneToMany(dest->uuid,"OPERQUIT",params);
1133         params.clear();
1134         params.push_back(dest->uuid);
1135         params.push_back(":"+reason);
1136         dest->SetOperQuit(operreason);
1137         Utils->DoOneToMany(source->uuid,"KILL",params);
1138 }
1139
1140 void ModuleSpanningTree::OnRehash(userrec* user, const std::string &parameter)
1141 {
1142         if (!parameter.empty())
1143         {
1144                 std::deque<std::string> params;
1145                 params.push_back(parameter);
1146                 Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->GetSID(), "REHASH", params);
1147                 // check for self
1148                 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
1149                 {
1150                         ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
1151                         ServerInstance->RehashServer();
1152                 }
1153         }
1154         Utils->ReadConfiguration(false);
1155         InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
1156 }
1157
1158 // note: the protocol does not allow direct umode +o except
1159 // via NICK with 8 params. sending OPERTYPE infers +o modechange
1160 // locally.
1161 void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype)
1162 {
1163         if (IS_LOCAL(user))
1164         {
1165                 std::deque<std::string> params;
1166                 params.push_back(opertype);
1167                 Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
1168         }
1169 }
1170
1171 void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
1172 {
1173         if (!source)
1174         {
1175                 /* Server-set lines */
1176                 char data[MAXBUF];
1177                 snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false),
1178                                 (unsigned long)duration, reason.c_str());
1179                 std::deque<std::string> params;
1180                 params.push_back(data);
1181                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "ADDLINE", params);
1182         }
1183         else
1184         {
1185                 if (IS_LOCAL(source))
1186                 {
1187                         char type[8];
1188                         snprintf(type,8,"%cLINE",linetype);
1189                         std::string stype = type;
1190                         if (adding)
1191                         {
1192                                 char sduration[MAXBUF];
1193                                 snprintf(sduration,MAXBUF,"%ld",duration);
1194                                 std::deque<std::string> params;
1195                                 params.push_back(host);
1196                                 params.push_back(sduration);
1197                                 params.push_back(":"+reason);
1198                                 Utils->DoOneToMany(source->uuid,stype,params);
1199                         }
1200                         else
1201                         {
1202                                 std::deque<std::string> params;
1203                                 params.push_back(host);
1204                                 Utils->DoOneToMany(source->uuid,stype,params);
1205                         }
1206                 }
1207         }
1208 }
1209
1210 void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1211 {
1212         OnLine(source,hostmask,true,'G',duration,reason);
1213 }
1214
1215 void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
1216 {
1217         OnLine(source,ipmask,true,'Z',duration,reason);
1218 }
1219
1220 void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
1221 {
1222         OnLine(source,nickmask,true,'Q',duration,reason);
1223 }
1224
1225 void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1226 {
1227         OnLine(source,hostmask,true,'E',duration,reason);
1228 }
1229
1230 void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask)
1231 {
1232         OnLine(source,hostmask,false,'G',0,"");
1233 }
1234
1235 void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask)
1236 {
1237         OnLine(source,ipmask,false,'Z',0,"");
1238 }
1239
1240 void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask)
1241 {
1242         OnLine(source,nickmask,false,'Q',0,"");
1243 }
1244
1245 void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask)
1246 {
1247         OnLine(source,hostmask,false,'E',0,"");
1248 }
1249
1250 void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text)
1251 {
1252         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1253         {
1254                 std::deque<std::string> params;
1255                 std::string command;
1256                 std::string output_text;
1257
1258                 ServerInstance->Parser->TranslateUIDs(TR_SPACENICKLIST, text, output_text);
1259
1260                 if (target_type == TYPE_USER)
1261                 {
1262                         userrec* u = (userrec*)dest;
1263                         params.push_back(u->uuid);
1264                         params.push_back(output_text);
1265                         command = "MODE";
1266                 }
1267                 else
1268                 {
1269                         chanrec* c = (chanrec*)dest;
1270                         params.push_back(c->name);
1271                         params.push_back(ConvToStr(c->age));
1272                         params.push_back(output_text);
1273                         command = "FMODE";
1274                 }
1275
1276                 Utils->DoOneToMany(user->uuid, command, params);
1277         }
1278 }
1279
1280 void ModuleSpanningTree::OnSetAway(userrec* user)
1281 {
1282         if (IS_LOCAL(user))
1283         {
1284                 std::deque<std::string> params;
1285                 params.push_back(":"+std::string(user->awaymsg));
1286                 Utils->DoOneToMany(user->uuid,"AWAY",params);
1287         }
1288 }
1289
1290 void ModuleSpanningTree::OnCancelAway(userrec* user)
1291 {
1292         if (IS_LOCAL(user))
1293         {
1294                 std::deque<std::string> params;
1295                 params.clear();
1296                 Utils->DoOneToMany(user->uuid,"AWAY",params);
1297         }
1298 }
1299
1300 void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
1301 {
1302         TreeSocket* s = (TreeSocket*)opaque;
1303         std::string output_text;
1304
1305         ServerInstance->Parser->TranslateUIDs(TR_SPACENICKLIST, modeline, output_text);
1306
1307         if (target)
1308         {
1309                 if (target_type == TYPE_USER)
1310                 {
1311                         userrec* u = (userrec*)target;
1312                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+u->uuid+" "+ConvToStr(u->age)+" "+output_text);
1313                 }
1314                 else
1315                 {
1316                         chanrec* c = (chanrec*)target;
1317                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
1318                 }
1319         }
1320 }
1321
1322 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
1323 {
1324         TreeSocket* s = (TreeSocket*)opaque;
1325         if (target)
1326         {
1327                 if (target_type == TYPE_USER)
1328                 {
1329                         userrec* u = (userrec*)target;
1330                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
1331                 }
1332                 else if (target_type == TYPE_CHANNEL)
1333                 {
1334                         chanrec* c = (chanrec*)target;
1335                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
1336                 }
1337         }
1338         if (target_type == TYPE_OTHER)
1339         {
1340                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
1341         }
1342 }
1343
1344 void ModuleSpanningTree::OnEvent(Event* event)
1345 {
1346         std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
1347         if (event->GetEventID() == "send_metadata")
1348         {
1349                 if (params->size() < 3)
1350                         return;
1351                 (*params)[2] = ":" + (*params)[2];
1352                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"METADATA",*params);
1353         }
1354         else if (event->GetEventID() == "send_topic")
1355         {
1356                 if (params->size() < 2)
1357                         return;
1358                 (*params)[1] = ":" + (*params)[1];
1359                 params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
1360                 params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true)));
1361                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FTOPIC",*params);
1362         }
1363         else if (event->GetEventID() == "send_mode")
1364         {
1365                 if (params->size() < 2)
1366                         return;
1367                 // Insert the TS value of the object, either userrec or chanrec
1368                 time_t ourTS = 0;
1369                 std::string output_text;
1370
1371                 /* Warning: in-place translation is only safe for type TR_NICK */
1372                 for (size_t n = 0; n < params->size(); n++)
1373                         ServerInstance->Parser->TranslateUIDs(TR_NICK, (*params)[n], (*params)[n]);
1374
1375                 userrec* a = ServerInstance->FindNick((*params)[0]);
1376                 if (a)
1377                 {
1378                         ourTS = a->age;
1379                         Utils->DoOneToMany(ServerInstance->Config->GetSID(),"MODE",*params);
1380                         return;
1381                 }
1382                 else
1383                 {
1384                         chanrec* a = ServerInstance->FindChan((*params)[0]);
1385                         if (a)
1386                         {
1387                                 ourTS = a->age;
1388                                 params->insert(params->begin() + 1,ConvToStr(ourTS));
1389                                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FMODE",*params);
1390                         }
1391                 }
1392         }
1393         else if (event->GetEventID() == "send_mode_explicit")
1394         {
1395                 if (params->size() < 2)
1396                         return;
1397                 std::string output_text;
1398
1399                 /* Warning: in-place translation is only safe for type TR_NICK */
1400                 for (size_t n = 0; n < params->size(); n++)
1401                         ServerInstance->Parser->TranslateUIDs(TR_NICK, (*params)[n], (*params)[n]);
1402
1403                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"MODE",*params);
1404         }
1405         else if (event->GetEventID() == "send_opers")
1406         {
1407                 if (params->size() < 1)
1408                         return;
1409                 (*params)[0] = ":" + (*params)[0];
1410                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"OPERNOTICE",*params);
1411         }
1412         else if (event->GetEventID() == "send_modeset")
1413         {
1414                 if (params->size() < 2)
1415                         return;
1416                 (*params)[1] = ":" + (*params)[1];
1417                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"MODENOTICE",*params);
1418         }
1419         else if (event->GetEventID() == "send_snoset")
1420         {
1421                 if (params->size() < 2)
1422                         return;
1423                 (*params)[1] = ":" + (*params)[1];
1424                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"SNONOTICE",*params);
1425         }
1426         else if (event->GetEventID() == "send_push")
1427         {
1428                 if (params->size() < 2)
1429                         return;
1430
1431                 userrec *a = ServerInstance->FindNick((*params)[0]);
1432
1433                 if (!a)
1434                         return;
1435
1436                 (*params)[0] = a->uuid;
1437                 (*params)[1] = ":" + (*params)[1];
1438                 Utils->DoOneToOne(ServerInstance->Config->GetSID(), "PUSH", *params, a->server);
1439         }
1440 }
1441
1442 ModuleSpanningTree::~ModuleSpanningTree()
1443 {
1444         /* This will also free the listeners */
1445         delete Utils;
1446         if (SyncTimer)
1447                 ServerInstance->Timers->DelTimer(SyncTimer);
1448
1449         ServerInstance->Timers->DelTimer(RefreshTimer);
1450
1451         ServerInstance->Modules->DoneWithInterface("InspSocketHook");
1452 }
1453
1454 Version ModuleSpanningTree::GetVersion()
1455 {
1456         return Version(1,1,0,2,VF_VENDOR,API_VERSION);
1457 }
1458
1459 void ModuleSpanningTree::Implements(char* List)
1460 {
1461         List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
1462         List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
1463         List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
1464         List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
1465         List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
1466         List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
1467         List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
1468 }
1469
1470 /* It is IMPORTANT that m_spanningtree is the last module in the chain
1471  * so that any activity it sees is FINAL, e.g. we arent going to send out
1472  * a NICK message before m_cloaking has finished putting the +x on the user,
1473  * etc etc.
1474  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
1475  * the module call queue.
1476  */
1477 Priority ModuleSpanningTree::Prioritize()
1478 {
1479         return PRIORITY_LAST;
1480 }
1481
1482 MODULE_INIT(ModuleSpanningTree)