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