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         /* This could cause an infinite loop, because DoOneToMany() will, on error,
 633          * call TreeSocket::OnError(), which in turn will call this function to
 634          * notify everyone of the error. So, drop any messages that are generated
 635          * during the sending of another message. -Special */
 636         static bool SendingRemoteMessage = false;
 637         if (SendingRemoteMessage)
 638                 return;
 639         SendingRemoteMessage = true;
 640
 641         std::deque<std::string> params;
 642         char text[MAXBUF];
 643         va_list argsPtr;
 644
 645         va_start(argsPtr, format);
 646         vsnprintf(text, MAXBUF, format, argsPtr);
 647         va_end(argsPtr);
 648
 649         if (!user)
 650         {
 651                 /* No user, target it generically at everyone */
 652                 ServerInstance->SNO->WriteToSnoMask('l', "%s", text);
 653                 params.push_back("l");
 654                 params.push_back(std::string(":") + text);
 655                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "SNONOTICE", params);
 656         }
 657         else
 658         {
 659                 if (IS_LOCAL(user))
 660                         user->WriteServ("NOTICE %s :%s", user->nick, text);
 661                 else
 662                 {
 663                         params.push_back(user->uuid);
 664                         params.push_back(std::string("::") + ServerInstance->Config->ServerName + " NOTICE " + user->nick + " :*** From " +
 665                                         ServerInstance->Config->ServerName+ ": " + text);
 666                         Utils->DoOneToMany(ServerInstance->Config->GetSID(), "PUSH", params);
 667                 }
 668         }
 669
 670         SendingRemoteMessage = false;
 671 }
 672
 673 int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user)
 674 {
 675         for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
 676         {
 677                 if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
 678                 {
 679                         TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
 680                         if (!CheckDupe)
 681                         {
 682                                 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);
 683                                 ConnectServer(&(*x));
 684                                 return 1;
 685                         }
 686                         else
 687                         {
 688                                 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());
 689                                 return 1;
 690                         }
 691                 }
 692         }
 693         RemoteMessage(user, "NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]);
 694         return 1;
 695 }
 696
 697 void ModuleSpanningTree::BroadcastTimeSync()
 698 {
 699         if (Utils->MasterTime)
 700         {
 701                 std::deque<std::string> params;
 702                 params.push_back(ConvToStr(ServerInstance->Time(false)));
 703                 params.push_back("FORCE");
 704                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "TIMESET", params);
 705         }
 706 }
 707
 708 int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results)
 709 {
 710         if ((statschar == 'c') || (statschar == 'n'))
 711         {
 712                 for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++)
 713                 {
 714                         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');
 715                         if (statschar == 'c')
 716                                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str());
 717                 }
 718                 results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
 719                 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);
 720                 return 1;
 721         }
 722
 723         if (statschar == 'p')
 724         {
 725                 /* show all server ports, after showing client ports. -- w00t */
 726
 727                 for (unsigned int i = 0; i < Utils->Bindings.size(); i++)
 728                 {
 729                         std::string ip = Utils->Bindings[i]->IP;
 730                         if (ip.empty())
 731                                 ip = "*";
 732
 733                         std::string transport("plaintext");
 734                         if (Utils->Bindings[i]->GetHook())
 735                                 transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send();
 736
 737                         results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+
 738                                 " (server, " + transport + ")");
 739                 }
 740         }
 741         return 0;
 742 }
 743
 744 int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
 745 {
 746         /* If the command doesnt appear to be valid, we dont want to mess with it. */
 747         if (!validated)
 748                 return 0;
 749
 750         if (command == "CONNECT")
 751         {
 752                 return this->HandleConnect(parameters,pcnt,user);
 753         }
 754         else if (command == "STATS")
 755         {
 756                 return this->HandleStats(parameters,pcnt,user);
 757         }
 758         else if (command == "MOTD")
 759         {
 760                 return this->HandleMotd(parameters,pcnt,user);
 761         }
 762         else if (command == "ADMIN")
 763         {
 764                 return this->HandleAdmin(parameters,pcnt,user);
 765         }
 766         else if (command == "SQUIT")
 767         {
 768                 return this->HandleSquit(parameters,pcnt,user);
 769         }
 770         else if (command == "MAP")
 771         {
 772                 this->HandleMap(parameters,pcnt,user);
 773                 return 1;
 774         }
 775         else if ((command == "TIME") && (pcnt > 0))
 776         {
 777                 return this->HandleTime(parameters,pcnt,user);
 778         }
 779         else if (command == "LUSERS")
 780         {
 781                 this->HandleLusers(parameters,pcnt,user);
 782                 return 1;
 783         }
 784         else if (command == "LINKS")
 785         {
 786                 this->HandleLinks(parameters,pcnt,user);
 787                 return 1;
 788         }
 789         else if (command == "WHOIS")
 790         {
 791                 if (pcnt > 1)
 792                 {
 793                         // remote whois
 794                         return this->HandleRemoteWhois(parameters,pcnt,user);
 795                 }
 796         }
 797         else if ((command == "VERSION") && (pcnt > 0))
 798         {
 799                 this->HandleVersion(parameters,pcnt,user);
 800                 return 1;
 801         }
 802         else if ((command == "MODULES") && (pcnt > 0))
 803         {
 804                 return this->HandleModules(parameters,pcnt,user);
 805         }
 806         return 0;
 807 }
 808
 809 void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
 810 {
 811         if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
 812         {
 813                 /* Safe, we know its non-null because IsValidModuleCommand returned true */
 814                 command_t* thiscmd = ServerInstance->Parser->GetHandler(command);
 815                 // this bit of code cleverly routes all module commands
 816                 // to all remote severs *automatically* so that modules
 817                 // can just handle commands locally, without having
 818                 // to have any special provision in place for remote
 819                 // commands and linking protocols.
 820                 std::deque<std::string> params;
 821                 params.clear();
 822                 int n_translate = thiscmd->translation.size();
 823                 TranslateType translate_to;
 824
 825                 /* To make sure that parameters with spaces, or empty
 826                  * parameters, etc, are always sent properly, *always*
 827                  * prefix the last parameter with a :. This also removes
 828                  * an extra strchr() */
 829                 for (int j = 0; j < pcnt; j++)
 830                 {
 831                         std::string target;
 832
 833                         /* Map all items to UUIDs where neccessary */
 834                         if (j < n_translate)
 835                         {
 836                                 /* We have a translation mapping for this index */
 837                                 translate_to = thiscmd->translation[j] != TR_END ? thiscmd->translation[j] : TR_TEXT;
 838                         }
 839                         else
 840                                 translate_to = TR_TEXT;
 841
 842                         ServerInstance->Log(DEBUG,"TRANSLATION: %s - type is %d", parameters[j], translate_to);
 843                         ServerInstance->Parser->TranslateUIDs(translate_to, parameters[j], target);
 844
 845                         if (j == (pcnt - 1))
 846                                 params.push_back(":" + target);
 847                         else
 848                                 params.push_back(target);
 849                 }
 850                 Utils->DoOneToMany(user->uuid, command, params);
 851         }
 852 }
 853
 854 void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
 855 {
 856         TreeServer* s = Utils->FindServer(servername);
 857         if (s)
 858         {
 859                 description = s->GetDesc();
 860         }
 861 }
 862
 863 void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
 864 {
 865         if (IS_LOCAL(source))
 866         {
 867                 std::deque<std::string> params;
 868                 params.push_back(dest->uuid);
 869                 params.push_back(channel->name);
 870                 Utils->DoOneToMany(source->uuid,"INVITE",params);
 871         }
 872 }
 873
 874 void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
 875 {
 876         std::deque<std::string> params;
 877         params.push_back(chan->name);
 878         params.push_back(":"+topic);
 879         Utils->DoOneToMany(user->uuid,"TOPIC",params);
 880 }
 881
 882 void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text)
 883 {
 884         if (IS_LOCAL(user))
 885         {
 886                 std::deque<std::string> params;
 887                 params.push_back(":"+text);
 888                 Utils->DoOneToMany(user->uuid,"WALLOPS",params);
 889         }
 890 }
 891
 892 void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 893 {
 894         if (target_type == TYPE_USER)
 895         {
 896                 userrec* d = (userrec*)dest;
 897                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 898                 {
 899                         std::deque<std::string> params;
 900                         params.clear();
 901                         params.push_back(d->uuid);
 902                         params.push_back(":"+text);
 903                         Utils->DoOneToOne(user->uuid,"NOTICE",params,d->server);
 904                 }
 905         }
 906         else if (target_type == TYPE_CHANNEL)
 907         {
 908                 if (IS_LOCAL(user))
 909                 {
 910                         chanrec *c = (chanrec*)dest;
 911                         if (c)
 912                         {
 913                                 std::string cname = c->name;
 914                                 if (status)
 915                                         cname = status + cname;
 916                                 TreeServerList list;
 917                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 918                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 919                                 {
 920                                         TreeSocket* Sock = i->second->GetSocket();
 921                                         if (Sock)
 922                                                 Sock->WriteLine(":"+std::string(user->uuid)+" NOTICE "+cname+" :"+text);
 923                                 }
 924                         }
 925                 }
 926         }
 927         else if (target_type == TYPE_SERVER)
 928         {
 929                 if (IS_LOCAL(user))
 930                 {
 931                         char* target = (char*)dest;
 932                         std::deque<std::string> par;
 933                         par.push_back(target);
 934                         par.push_back(":"+text);
 935                         Utils->DoOneToMany(user->uuid,"NOTICE",par);
 936                 }
 937         }
 938 }
 939
 940 void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
 941 {
 942         if (target_type == TYPE_USER)
 943         {
 944                 // route private messages which are targetted at clients only to the server
 945                 // which needs to receive them
 946                 userrec* d = (userrec*)dest;
 947                 if ((d->GetFd() < 0) && (IS_LOCAL(user)))
 948                 {
 949                         std::deque<std::string> params;
 950                         params.clear();
 951                         params.push_back(d->uuid);
 952                         params.push_back(":"+text);
 953                         Utils->DoOneToOne(user->uuid,"PRIVMSG",params,d->server);
 954                 }
 955         }
 956         else if (target_type == TYPE_CHANNEL)
 957         {
 958                 if (IS_LOCAL(user))
 959                 {
 960                         chanrec *c = (chanrec*)dest;
 961                         if (c)
 962                         {
 963                                 std::string cname = c->name;
 964                                 if (status)
 965                                         cname = status + cname;
 966                                 TreeServerList list;
 967                                 Utils->GetListOfServersForChannel(c,list,status,exempt_list);
 968                                 for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 969                                 {
 970                                         TreeSocket* Sock = i->second->GetSocket();
 971                                         if (Sock)
 972                                                 Sock->WriteLine(":"+std::string(user->uuid)+" PRIVMSG "+cname+" :"+text);
 973                                 }
 974                         }
 975                 }
 976         }
 977         else if (target_type == TYPE_SERVER)
 978         {
 979                 if (IS_LOCAL(user))
 980                 {
 981                         char* target = (char*)dest;
 982                         std::deque<std::string> par;
 983                         par.push_back(target);
 984                         par.push_back(":"+text);
 985                         Utils->DoOneToMany(user->uuid,"PRIVMSG",par);
 986                 }
 987         }
 988 }
 989
 990 void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
 991 {
 992         AutoConnectServers(curtime);
 993         DoPingChecks(curtime);
 994 }
 995
 996 void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent)
 997 {
 998         // Only do this for local users
 999         if (IS_LOCAL(user))
1000         {
1001                 if (channel->GetUserCounter() == 1)
1002                 {
1003                         std::deque<std::string> params;
1004                         // set up their permissions and the channel TS with FJOIN.
1005                         // All users are FJOINed now, because a module may specify
1006                         // new joining permissions for the user.
1007                         params.push_back(channel->name);
1008                         params.push_back(ConvToStr(channel->age));
1009                         params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->uuid));
1010                         Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FJOIN",params);
1011                         /* First user in, sync the modes for the channel */
1012                         params.pop_back();
1013                         params.push_back(channel->ChanModes(true));
1014                         Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FMODE",params);
1015                 }
1016                 else
1017                 {
1018                         std::deque<std::string> params;
1019                         params.push_back(channel->name);
1020                         params.push_back(ConvToStr(channel->age));
1021                         Utils->DoOneToMany(user->uuid,"JOIN",params);
1022                 }
1023         }
1024 }
1025
1026 void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost)
1027 {
1028         // only occurs for local clients
1029         if (user->registered != REG_ALL)
1030                 return;
1031         std::deque<std::string> params;
1032         params.push_back(newhost);
1033         Utils->DoOneToMany(user->uuid,"FHOST",params);
1034 }
1035
1036 void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos)
1037 {
1038         // only occurs for local clients
1039         if (user->registered != REG_ALL)
1040                 return;
1041         std::deque<std::string> params;
1042         params.push_back(gecos);
1043         Utils->DoOneToMany(user->uuid,"FNAME",params);
1044 }
1045
1046 void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
1047 {
1048         if (IS_LOCAL(user))
1049         {
1050                 std::deque<std::string> params;
1051                 params.push_back(channel->name);
1052                 if (!partmessage.empty())
1053                         params.push_back(":"+partmessage);
1054                 Utils->DoOneToMany(user->uuid,"PART",params);
1055         }
1056 }
1057
1058 void ModuleSpanningTree::OnUserConnect(userrec* user)
1059 {
1060         if (IS_LOCAL(user))
1061         {
1062                 std::deque<std::string> params;
1063                 params.push_back(user->uuid);
1064                 params.push_back(ConvToStr(user->age));
1065                 params.push_back(user->nick);
1066                 params.push_back(user->host);
1067                 params.push_back(user->dhost);
1068                 params.push_back(user->ident);
1069                 params.push_back("+"+std::string(user->FormatModes()));
1070                 params.push_back(user->GetIPString());
1071                 params.push_back(ConvToStr(user->signon));
1072                 params.push_back(":"+std::string(user->fullname));
1073                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "UID", params);
1074                 // User is Local, change needs to be reflected!
1075                 TreeServer* SourceServer = Utils->FindServer(user->server);
1076                 if (SourceServer)
1077                 {
1078                         SourceServer->AddUserCount();
1079                 }
1080         }
1081 }
1082
1083 void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
1084 {
1085         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1086         {
1087                 std::deque<std::string> params;
1088
1089                 if (oper_message != reason)
1090                 {
1091                         params.push_back(":"+oper_message);
1092                         Utils->DoOneToMany(user->uuid,"OPERQUIT",params);
1093                 }
1094                 params.clear();
1095                 params.push_back(":"+reason);
1096                 Utils->DoOneToMany(user->uuid,"QUIT",params);
1097         }
1098         // Regardless, We need to modify the user Counts..
1099         TreeServer* SourceServer = Utils->FindServer(user->server);
1100         if (SourceServer)
1101         {
1102                 SourceServer->DelUserCount();
1103         }
1104 }
1105
1106 void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick)
1107 {
1108         if (IS_LOCAL(user))
1109         {
1110                 std::deque<std::string> params;
1111                 params.push_back(user->nick);
1112
1113                 /** IMPORTANT: We don't update the TS if the oldnick is just a case change of the newnick!
1114                  */
1115                 if (irc::string(user->nick) != assign(oldnick))
1116                         user->age = ServerInstance->Time(true);
1117
1118                 params.push_back(ConvToStr(user->age));
1119                 Utils->DoOneToMany(user->uuid,"NICK",params);
1120         }
1121 }
1122
1123 void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)
1124 {
1125         if ((source) && (IS_LOCAL(source)))
1126         {
1127                 std::deque<std::string> params;
1128                 params.push_back(chan->name);
1129                 params.push_back(user->uuid);
1130                 params.push_back(":"+reason);
1131                 Utils->DoOneToMany(source->uuid,"KICK",params);
1132         }
1133         else if (!source)
1134         {
1135                 std::deque<std::string> params;
1136                 params.push_back(chan->name);
1137                 params.push_back(user->uuid);
1138                 params.push_back(":"+reason);
1139                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"KICK",params);
1140         }
1141 }
1142
1143 void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason)
1144 {
1145         std::deque<std::string> params;
1146         params.push_back(":"+reason);
1147         Utils->DoOneToMany(dest->uuid,"OPERQUIT",params);
1148         params.clear();
1149         params.push_back(dest->uuid);
1150         params.push_back(":"+reason);
1151         dest->SetOperQuit(operreason);
1152         Utils->DoOneToMany(source->uuid,"KILL",params);
1153 }
1154
1155 void ModuleSpanningTree::OnRehash(userrec* user, const std::string &parameter)
1156 {
1157         if (!parameter.empty())
1158         {
1159                 std::deque<std::string> params;
1160                 params.push_back(parameter);
1161                 Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->GetSID(), "REHASH", params);
1162                 // check for self
1163                 if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
1164                 {
1165                         ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
1166                         ServerInstance->RehashServer();
1167                 }
1168         }
1169         Utils->ReadConfiguration(false);
1170         InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
1171 }
1172
1173 // note: the protocol does not allow direct umode +o except
1174 // via NICK with 8 params. sending OPERTYPE infers +o modechange
1175 // locally.
1176 void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype)
1177 {
1178         if (IS_LOCAL(user))
1179         {
1180                 std::deque<std::string> params;
1181                 params.push_back(opertype);
1182                 Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
1183         }
1184 }
1185
1186 void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
1187 {
1188         if (!source)
1189         {
1190                 /* Server-set lines */
1191                 char data[MAXBUF];
1192                 snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false),
1193                                 (unsigned long)duration, reason.c_str());
1194                 std::deque<std::string> params;
1195                 params.push_back(data);
1196                 Utils->DoOneToMany(ServerInstance->Config->GetSID(), "ADDLINE", params);
1197         }
1198         else
1199         {
1200                 if (IS_LOCAL(source))
1201                 {
1202                         char type[8];
1203                         snprintf(type,8,"%cLINE",linetype);
1204                         std::string stype = type;
1205                         if (adding)
1206                         {
1207                                 char sduration[MAXBUF];
1208                                 snprintf(sduration,MAXBUF,"%ld",duration);
1209                                 std::deque<std::string> params;
1210                                 params.push_back(host);
1211                                 params.push_back(sduration);
1212                                 params.push_back(":"+reason);
1213                                 Utils->DoOneToMany(source->uuid,stype,params);
1214                         }
1215                         else
1216                         {
1217                                 std::deque<std::string> params;
1218                                 params.push_back(host);
1219                                 Utils->DoOneToMany(source->uuid,stype,params);
1220                         }
1221                 }
1222         }
1223 }
1224
1225 void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1226 {
1227         OnLine(source,hostmask,true,'G',duration,reason);
1228 }
1229
1230 void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
1231 {
1232         OnLine(source,ipmask,true,'Z',duration,reason);
1233 }
1234
1235 void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
1236 {
1237         OnLine(source,nickmask,true,'Q',duration,reason);
1238 }
1239
1240 void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
1241 {
1242         OnLine(source,hostmask,true,'E',duration,reason);
1243 }
1244
1245 void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask)
1246 {
1247         OnLine(source,hostmask,false,'G',0,"");
1248 }
1249
1250 void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask)
1251 {
1252         OnLine(source,ipmask,false,'Z',0,"");
1253 }
1254
1255 void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask)
1256 {
1257         OnLine(source,nickmask,false,'Q',0,"");
1258 }
1259
1260 void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask)
1261 {
1262         OnLine(source,hostmask,false,'E',0,"");
1263 }
1264
1265 void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text)
1266 {
1267         if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
1268         {
1269                 std::deque<std::string> params;
1270                 std::string command;
1271                 std::string output_text;
1272
1273                 ServerInstance->Parser->TranslateUIDs(TR_SPACENICKLIST, text, output_text);
1274
1275                 if (target_type == TYPE_USER)
1276                 {
1277                         userrec* u = (userrec*)dest;
1278                         params.push_back(u->uuid);
1279                         params.push_back(output_text);
1280                         command = "MODE";
1281                 }
1282                 else
1283                 {
1284                         chanrec* c = (chanrec*)dest;
1285                         params.push_back(c->name);
1286                         params.push_back(ConvToStr(c->age));
1287                         params.push_back(output_text);
1288                         command = "FMODE";
1289                 }
1290
1291                 Utils->DoOneToMany(user->uuid, command, params);
1292         }
1293 }
1294
1295 void ModuleSpanningTree::OnSetAway(userrec* user)
1296 {
1297         if (IS_LOCAL(user))
1298         {
1299                 std::deque<std::string> params;
1300                 params.push_back(":"+std::string(user->awaymsg));
1301                 Utils->DoOneToMany(user->uuid,"AWAY",params);
1302         }
1303 }
1304
1305 void ModuleSpanningTree::OnCancelAway(userrec* user)
1306 {
1307         if (IS_LOCAL(user))
1308         {
1309                 std::deque<std::string> params;
1310                 params.clear();
1311                 Utils->DoOneToMany(user->uuid,"AWAY",params);
1312         }
1313 }
1314
1315 void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
1316 {
1317         TreeSocket* s = (TreeSocket*)opaque;
1318         std::string output_text;
1319
1320         ServerInstance->Parser->TranslateUIDs(TR_SPACENICKLIST, modeline, output_text);
1321
1322         if (target)
1323         {
1324                 if (target_type == TYPE_USER)
1325                 {
1326                         userrec* u = (userrec*)target;
1327                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+u->uuid+" "+ConvToStr(u->age)+" "+output_text);
1328                 }
1329                 else
1330                 {
1331                         chanrec* c = (chanrec*)target;
1332                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
1333                 }
1334         }
1335 }
1336
1337 void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
1338 {
1339         TreeSocket* s = (TreeSocket*)opaque;
1340         if (target)
1341         {
1342                 if (target_type == TYPE_USER)
1343                 {
1344                         userrec* u = (userrec*)target;
1345                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
1346                 }
1347                 else if (target_type == TYPE_CHANNEL)
1348                 {
1349                         chanrec* c = (chanrec*)target;
1350                         s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
1351                 }
1352         }
1353         if (target_type == TYPE_OTHER)
1354         {
1355                 s->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
1356         }
1357 }
1358
1359 void ModuleSpanningTree::OnEvent(Event* event)
1360 {
1361         std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
1362         if (event->GetEventID() == "send_metadata")
1363         {
1364                 if (params->size() < 3)
1365                         return;
1366                 (*params)[2] = ":" + (*params)[2];
1367                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"METADATA",*params);
1368         }
1369         else if (event->GetEventID() == "send_topic")
1370         {
1371                 if (params->size() < 2)
1372                         return;
1373                 (*params)[1] = ":" + (*params)[1];
1374                 params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
1375                 params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true)));
1376                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FTOPIC",*params);
1377         }
1378         else if (event->GetEventID() == "send_mode")
1379         {
1380                 if (params->size() < 2)
1381                         return;
1382                 // Insert the TS value of the object, either userrec or chanrec
1383                 time_t ourTS = 0;
1384                 std::string output_text;
1385
1386                 /* Warning: in-place translation is only safe for type TR_NICK */
1387                 for (size_t n = 0; n < params->size(); n++)
1388                         ServerInstance->Parser->TranslateUIDs(TR_NICK, (*params)[n], (*params)[n]);
1389
1390                 userrec* a = ServerInstance->FindNick((*params)[0]);
1391                 if (a)
1392                 {
1393                         ourTS = a->age;
1394                         Utils->DoOneToMany(ServerInstance->Config->GetSID(),"MODE",*params);
1395                         return;
1396                 }
1397                 else
1398                 {
1399                         chanrec* a = ServerInstance->FindChan((*params)[0]);
1400                         if (a)
1401                         {
1402                                 ourTS = a->age;
1403                                 params->insert(params->begin() + 1,ConvToStr(ourTS));
1404                                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FMODE",*params);
1405                         }
1406                 }
1407         }
1408         else if (event->GetEventID() == "send_mode_explicit")
1409         {
1410                 if (params->size() < 2)
1411                         return;
1412                 std::string output_text;
1413
1414                 /* Warning: in-place translation is only safe for type TR_NICK */
1415                 for (size_t n = 0; n < params->size(); n++)
1416                         ServerInstance->Parser->TranslateUIDs(TR_NICK, (*params)[n], (*params)[n]);
1417
1418                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"MODE",*params);
1419         }
1420         else if (event->GetEventID() == "send_opers")
1421         {
1422                 if (params->size() < 1)
1423                         return;
1424                 (*params)[0] = ":" + (*params)[0];
1425                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"OPERNOTICE",*params);
1426         }
1427         else if (event->GetEventID() == "send_modeset")
1428         {
1429                 if (params->size() < 2)
1430                         return;
1431                 (*params)[1] = ":" + (*params)[1];
1432                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"MODENOTICE",*params);
1433         }
1434         else if (event->GetEventID() == "send_snoset")
1435         {
1436                 if (params->size() < 2)
1437                         return;
1438                 (*params)[1] = ":" + (*params)[1];
1439                 Utils->DoOneToMany(ServerInstance->Config->GetSID(),"SNONOTICE",*params);
1440         }
1441         else if (event->GetEventID() == "send_push")
1442         {
1443                 if (params->size() < 2)
1444                         return;
1445
1446                 userrec *a = ServerInstance->FindNick((*params)[0]);
1447
1448                 if (!a)
1449                         return;
1450
1451                 (*params)[0] = a->uuid;
1452                 (*params)[1] = ":" + (*params)[1];
1453                 Utils->DoOneToOne(ServerInstance->Config->GetSID(), "PUSH", *params, a->server);
1454         }
1455 }
1456
1457 ModuleSpanningTree::~ModuleSpanningTree()
1458 {
1459         /* This will also free the listeners */
1460         delete Utils;
1461         if (SyncTimer)
1462                 ServerInstance->Timers->DelTimer(SyncTimer);
1463
1464         ServerInstance->Timers->DelTimer(RefreshTimer);
1465
1466         ServerInstance->Modules->DoneWithInterface("InspSocketHook");
1467 }
1468
1469 Version ModuleSpanningTree::GetVersion()
1470 {
1471         return Version(1,1,0,2,VF_VENDOR,API_VERSION);
1472 }
1473
1474 void ModuleSpanningTree::Implements(char* List)
1475 {
1476         List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
1477         List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
1478         List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
1479         List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
1480         List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
1481         List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
1482         List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
1483 }
1484
1485 /* It is IMPORTANT that m_spanningtree is the last module in the chain
1486  * so that any activity it sees is FINAL, e.g. we arent going to send out
1487  * a NICK message before m_cloaking has finished putting the +x on the user,
1488  * etc etc.
1489  * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
1490  * the module call queue.
1491  */
1492 Priority ModuleSpanningTree::Prioritize()
1493 {
1494         return PRIORITY_LAST;
1495 }
1496
1497 MODULE_INIT(ModuleSpanningTree)