src/users.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                     E-mail:
   7  *              <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *          the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "configreader.h"
  18 #include "channels.h"
  19 #include "users.h"
  20 #include "inspircd.h"
  21 #include <stdarg.h>
  22 #include "socketengine.h"
  23 #include "wildcard.h"
  24 #include "xline.h"
  25 #include "cull_list.h"
  26
  27 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
  28
  29 /* XXX: Used for speeding up WriteCommon operations */
  30 unsigned long uniq_id = 0;
  31
  32 bool InitTypes(ServerConfig* conf, const char* tag)
  33 {
  34         if (conf->opertypes.size())
  35         {
  36                 conf->GetInstance()->Log(DEBUG,"Currently %d items to clear",conf->opertypes.size());
  37                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
  38                 {
  39                         conf->GetInstance()->Log(DEBUG,"Clear item");
  40                         if (n->second)
  41                                 delete[] n->second;
  42                 }
  43         }
  44
  45         conf->opertypes.clear();
  46         return true;
  47 }
  48
  49 bool InitClasses(ServerConfig* conf, const char* tag)
  50 {
  51         if (conf->operclass.size())
  52         {
  53                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
  54                 {
  55                         if (n->second)
  56                                 delete[] n->second;
  57                 }
  58         }
  59
  60         conf->operclass.clear();
  61         return true;
  62 }
  63
  64 bool DoType(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
  65 {
  66         const char* TypeName = values[0].GetString();
  67         const char* Classes = values[1].GetString();
  68
  69         conf->opertypes[TypeName] = strdup(Classes);
  70         conf->GetInstance()->Log(DEBUG,"Read oper TYPE '%s' with classes '%s'",TypeName,Classes);
  71         return true;
  72 }
  73
  74 bool DoClass(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
  75 {
  76         const char* ClassName = values[0].GetString();
  77         const char* CommandList = values[1].GetString();
  78
  79         conf->operclass[ClassName] = strdup(CommandList);
  80         conf->GetInstance()->Log(DEBUG,"Read oper CLASS '%s' with commands '%s'",ClassName,CommandList);
  81         return true;
  82 }
  83
  84 bool DoneClassesAndTypes(ServerConfig* conf, const char* tag)
  85 {
  86         return true;
  87 }
  88
  89 std::string userrec::ProcessNoticeMasks(const char *sm)
  90 {
  91         bool adding = true, oldadding = false;
  92         const char *c = sm;
  93         std::string output;
  94
  95         ServerInstance->Log(DEBUG,"Process notice masks");
  96
  97         while (c && *c)
  98         {
  99                 ServerInstance->Log(DEBUG,"Process notice mask %c",*c);
 100
 101                 switch (*c)
 102                 {
 103                         case '+':
 104                                 adding = true;
 105                         break;
 106                         case '-':
 107                                 adding = false;
 108                         break;
 109                         case '*':
 110                                 for (unsigned char d = 'A'; d <= 'z'; d++)
 111                                 {
 112                                         if (ServerInstance->SNO->IsEnabled(d))
 113                                         {
 114                                                 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
 115                                                 {
 116                                                         if ((oldadding != adding) || (!output.length()))
 117                                                                 output += (adding ? '+' : '-');
 118
 119                                                         this->SetNoticeMask(d, adding);
 120
 121                                                         output += d;
 122                                                 }
 123                                         }
 124                                         oldadding = adding;
 125                                 }
 126                         break;
 127                         default:
 128                                 if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c)))
 129                                 {
 130                                         if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
 131                                         {
 132                                                 if ((oldadding != adding) || (!output.length()))
 133                                                         output += (adding ? '+' : '-');
 134
 135                                                 this->SetNoticeMask(*c, adding);
 136
 137                                                 output += *c;
 138                                         }
 139                                 }
 140                                 oldadding = adding;
 141                         break;
 142                 }
 143
 144                 *c++;
 145         }
 146
 147         return output;
 148 }
 149
 150 void userrec::StartDNSLookup()
 151 {
 152         ServerInstance->Log(DEBUG,"Commencing reverse lookup");
 153         try
 154         {
 155                 ServerInstance->Log(DEBUG,"Passing instance: %08x",this->ServerInstance);
 156                 res_reverse = new UserResolver(this->ServerInstance, this, this->GetIPString(), DNS_QUERY_REVERSE);
 157                 this->ServerInstance->AddResolver(res_reverse);
 158         }
 159         catch (ModuleException& e)
 160         {
 161                 ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
 162         }
 163 }
 164
 165 UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, QueryType qt) :
 166         Resolver(Instance, to_resolve, qt), bound_user(user)
 167 {
 168         this->fwd = (qt == DNS_QUERY_A || qt == DNS_QUERY_AAAA);
 169         this->bound_fd = user->GetFd();
 170 }
 171
 172 void UserResolver::OnLookupComplete(const std::string &result)
 173 {
 174         if ((!this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
 175         {
 176                 ServerInstance->Log(DEBUG,"Commencing forward lookup");
 177                 this->bound_user->stored_host = result;
 178                 try
 179                 {
 180                         /* Check we didnt time out */
 181                         if (this->bound_user->registered != REG_ALL)
 182                         {
 183 #ifdef IPV6
 184                                 const char *ip = this->bound_user->GetIPString();
 185                                 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, (strstr(ip,"0::ffff:") == ip ? DNS_QUERY_A : DNS_QUERY_AAAA));
 186 #else
 187                                 bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, DNS_QUERY_A);
 188 #endif
 189                                 this->ServerInstance->AddResolver(bound_user->res_forward);
 190                         }
 191                 }
 192                 catch (ModuleException& e)
 193                 {
 194                         ServerInstance->Log(DEBUG,"Error in resolver: %s",e.GetReason());
 195                 }
 196         }
 197         else if ((this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user))
 198         {
 199                 /* Both lookups completed */
 200                 std::string result2 = "0::ffff:";
 201                 result2.append(result);
 202                 if (this->bound_user->GetIPString() == result || this->bound_user->GetIPString() == result2)
 203                 {
 204                         std::string hostname = this->bound_user->stored_host;
 205                         if (hostname.length() < 65)
 206                         {
 207                                 /* Check we didnt time out */
 208                                 if (this->bound_user->registered != REG_ALL)
 209                                 {
 210                                         /* Hostnames starting with : are not a good thing (tm) */
 211                                         if (*(hostname.c_str()) == ':')
 212                                                 hostname = "0" + hostname;
 213
 214                                         this->bound_user->WriteServ("NOTICE Auth :*** Found your hostname (%s)", hostname.c_str());
 215                                         this->bound_user->dns_done = true;
 216                                         strlcpy(this->bound_user->dhost, hostname.c_str(),64);
 217                                         strlcpy(this->bound_user->host, hostname.c_str(),64);
 218                                 }
 219                         }
 220                         else
 221                         {
 222                                 this->bound_user->WriteServ("NOTICE Auth :*** Your hostname is longer than the maximum of 64 characters, using your IP address (%s) instead.", this->bound_user->GetIPString());
 223                         }
 224                 }
 225                 else
 226                 {
 227                         this->bound_user->WriteServ("NOTICE Auth :*** Your hostname does not match up with your IP address. Sorry, using your IP address (%s) instead.", this->bound_user->GetIPString());
 228                 }
 229         }
 230 }
 231
 232 void UserResolver::OnError(ResolverError e, const std::string &errormessage)
 233 {
 234         if (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)
 235         {
 236                 /* Error message here */
 237                 this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname, using your IP address (%s) instead.", this->bound_user->GetIPString());
 238                 this->bound_user->dns_done = true;
 239         }
 240 }
 241
 242
 243 bool userrec::IsNoticeMaskSet(unsigned char sm)
 244 {
 245         return (snomasks[sm-65]);
 246 }
 247
 248 void userrec::SetNoticeMask(unsigned char sm, bool value)
 249 {
 250         snomasks[sm-65] = value;
 251 }
 252
 253 const char* userrec::FormatNoticeMasks()
 254 {
 255         static char data[MAXBUF];
 256         int offset = 0;
 257
 258         for (int n = 0; n < 64; n++)
 259         {
 260                 if (snomasks[n])
 261                         data[offset++] = n+65;
 262         }
 263
 264         data[offset] = 0;
 265         return data;
 266 }
 267
 268
 269
 270 bool userrec::IsModeSet(unsigned char m)
 271 {
 272         return (modes[m-65]);
 273 }
 274
 275 void userrec::SetMode(unsigned char m, bool value)
 276 {
 277         modes[m-65] = value;
 278 }
 279
 280 const char* userrec::FormatModes()
 281 {
 282         static char data[MAXBUF];
 283         int offset = 0;
 284         for (int n = 0; n < 64; n++)
 285         {
 286                 if (modes[n])
 287                         data[offset++] = n+65;
 288         }
 289         data[offset] = 0;
 290         return data;
 291 }
 292
 293 userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
 294 {
 295         ServerInstance->Log(DEBUG,"userrec::userrec(): Instance: %08x",ServerInstance);
 296         // the PROPER way to do it, AVOID bzero at *ALL* costs
 297         *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0;
 298         server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
 299         reset_due = ServerInstance->Time();
 300         age = ServerInstance->Time(true);
 301         lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
 302         ChannelCount = timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
 303         exempt = haspassed = dns_done = false;
 304         fd = -1;
 305         recvq = "";
 306         sendq = "";
 307         WriteError = "";
 308         res_forward = res_reverse = NULL;
 309         ip = NULL;
 310         chans.clear();
 311         invites.clear();
 312         memset(modes,0,sizeof(modes));
 313         memset(snomasks,0,sizeof(snomasks));
 314 }
 315
 316 userrec::~userrec()
 317 {
 318         if (ip)
 319         {
 320                 clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
 321                 if (x != ServerInstance->local_clones.end())
 322                 {
 323                         x->second--;
 324                         if (!x->second)
 325                         {
 326                                 ServerInstance->local_clones.erase(x);
 327                         }
 328                 }
 329
 330                 clonemap::iterator y = ServerInstance->global_clones.find(this->GetIPString());
 331                 if (y != ServerInstance->global_clones.end())
 332                 {
 333                         y->second--;
 334                         if (!y->second)
 335                         {
 336                                 ServerInstance->global_clones.erase(y);
 337                         }
 338                 }
 339
 340                 if (this->GetProtocolFamily() == AF_INET)
 341                 {
 342                         delete (sockaddr_in*)ip;
 343                 }
 344 #ifdef SUPPORT_IP6LINKS
 345                 else
 346                 {
 347                         delete (sockaddr_in6*)ip;
 348                 }
 349 #endif
 350         }
 351 }
 352
 353 char* userrec::MakeHost()
 354 {
 355         static char nhost[MAXBUF];
 356         /* This is much faster than snprintf */
 357         char* t = nhost;
 358         for(char* n = ident; *n; n++)
 359                 *t++ = *n;
 360         *t++ = '@';
 361         for(char* n = host; *n; n++)
 362                 *t++ = *n;
 363         *t = 0;
 364         return nhost;
 365 }
 366
 367 char* userrec::MakeHostIP()
 368 {
 369         static char ihost[MAXBUF];
 370         /* This is much faster than snprintf */
 371         char* t = ihost;
 372         for(char* n = ident; *n; n++)
 373                 *t++ = *n;
 374         *t++ = '@';
 375         for(const char* n = this->GetIPString(); *n; n++)
 376                 *t++ = *n;
 377         *t = 0;
 378         return ihost;
 379 }
 380
 381 void userrec::CloseSocket()
 382 {
 383         shutdown(this->fd,2);
 384         close(this->fd);
 385 }
 386
 387 char* userrec::GetFullHost()
 388 {
 389         static char result[MAXBUF];
 390         char* t = result;
 391         for(char* n = nick; *n; n++)
 392                 *t++ = *n;
 393         *t++ = '!';
 394         for(char* n = ident; *n; n++)
 395                 *t++ = *n;
 396         *t++ = '@';
 397         for(char* n = dhost; *n; n++)
 398                 *t++ = *n;
 399         *t = 0;
 400         return result;
 401 }
 402
 403 char* userrec::MakeWildHost()
 404 {
 405         static char nresult[MAXBUF];
 406         char* t = nresult;
 407         *t++ = '*';     *t++ = '!';
 408         *t++ = '*';     *t++ = '@';
 409         for(char* n = dhost; *n; n++)
 410                 *t++ = *n;
 411         *t = 0;
 412         return nresult;
 413 }
 414
 415 int userrec::ReadData(void* buffer, size_t size)
 416 {
 417         if (IS_LOCAL(this))
 418         {
 419                 return read(this->fd, buffer, size);
 420         }
 421         else
 422                 return 0;
 423 }
 424
 425
 426 char* userrec::GetFullRealHost()
 427 {
 428         static char fresult[MAXBUF];
 429         char* t = fresult;
 430         for(char* n = nick; *n; n++)
 431                 *t++ = *n;
 432         *t++ = '!';
 433         for(char* n = ident; *n; n++)
 434                 *t++ = *n;
 435         *t++ = '@';
 436         for(char* n = host; *n; n++)
 437                 *t++ = *n;
 438         *t = 0;
 439         return fresult;
 440 }
 441
 442 bool userrec::IsInvited(irc::string &channel)
 443 {
 444         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 445         {
 446                 irc::string compare = i->channel;
 447
 448                 if (compare == channel)
 449                 {
 450                         return true;
 451                 }
 452         }
 453         return false;
 454 }
 455
 456 InvitedList* userrec::GetInviteList()
 457 {
 458         return &invites;
 459 }
 460
 461 void userrec::InviteTo(irc::string &channel)
 462 {
 463         Invited i;
 464         i.channel = channel;
 465         invites.push_back(i);
 466 }
 467
 468 void userrec::RemoveInvite(irc::string &channel)
 469 {
 470         ServerInstance->Log(DEBUG,"Removing invites");
 471
 472         if (invites.size())
 473         {
 474                 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 475                 {
 476                         irc::string compare = i->channel;
 477
 478                         if (compare == channel)
 479                         {
 480                                 invites.erase(i);
 481                                 return;
 482                         }
 483                 }
 484         }
 485 }
 486
 487 bool userrec::HasPermission(const std::string &command)
 488 {
 489         char* mycmd;
 490         char* savept;
 491         char* savept2;
 492
 493         /*
 494          * users on remote servers can completely bypass all permissions based checks.
 495          * This prevents desyncs when one server has different type/class tags to another.
 496          * That having been said, this does open things up to the possibility of source changes
 497          * allowing remote kills, etc - but if they have access to the src, they most likely have
 498          * access to the conf - so it's an end to a means either way.
 499          */
 500         if (!IS_LOCAL(this))
 501                 return true;
 502
 503         // are they even an oper at all?
 504         if (*this->oper)
 505         {
 506                 opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
 507                 if (iter_opertype != ServerInstance->Config->opertypes.end())
 508                 {
 509                         char* Classes = strdup(iter_opertype->second);
 510                         char* myclass = strtok_r(Classes," ",&savept);
 511                         while (myclass)
 512                         {
 513                                 operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
 514                                 if (iter_operclass != ServerInstance->Config->operclass.end())
 515                                 {
 516                                         char* CommandList = strdup(iter_operclass->second);
 517                                         mycmd = strtok_r(CommandList," ",&savept2);
 518                                         while (mycmd)
 519                                         {
 520                                                 if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
 521                                                 {
 522                                                         free(Classes);
 523                                                         free(CommandList);
 524                                                         return true;
 525                                                 }
 526                                                 mycmd = strtok_r(NULL," ",&savept2);
 527                                         }
 528                                         free(CommandList);
 529                                 }
 530                                 myclass = strtok_r(NULL," ",&savept);
 531                         }
 532                         free(Classes);
 533                 }
 534         }
 535         return false;
 536 }
 537
 538 /** NOTE: We cannot pass a const reference to this method.
 539  * The string is changed by the workings of the method,
 540  * so that if we pass const ref, we end up copying it to
 541  * something we can change anyway. Makes sense to just let
 542  * the compiler do that copy for us.
 543  */
 544 bool userrec::AddBuffer(std::string a)
 545 {
 546         try
 547         {
 548                 std::string::size_type i = a.rfind('\r');
 549
 550                 while (i != std::string::npos)
 551                 {
 552                         a.erase(i, 1);
 553                         i = a.rfind('\r');
 554                 }
 555
 556                 if (a.length())
 557                         recvq.append(a);
 558
 559                 if (recvq.length() > (unsigned)this->recvqmax)
 560                 {
 561                         this->SetWriteError("RecvQ exceeded");
 562                         ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
 563                         return false;
 564                 }
 565
 566                 return true;
 567         }
 568
 569         catch (...)
 570         {
 571                 ServerInstance->Log(DEBUG,"Exception in userrec::AddBuffer()");
 572                 return false;
 573         }
 574 }
 575
 576 bool userrec::BufferIsReady()
 577 {
 578         return (recvq.find('\n') != std::string::npos);
 579 }
 580
 581 void userrec::ClearBuffer()
 582 {
 583         recvq = "";
 584 }
 585
 586 std::string userrec::GetBuffer()
 587 {
 588         try
 589         {
 590                 if (!recvq.length())
 591                         return "";
 592
 593                 /* Strip any leading \r or \n off the string.
 594                  * Usually there are only one or two of these,
 595                  * so its is computationally cheap to do.
 596                  */
 597                 while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n'))
 598                         recvq.erase(recvq.begin());
 599
 600                 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
 601                 {
 602                         /* Find the first complete line, return it as the
 603                          * result, and leave the recvq as whats left
 604                          */
 605                         if (*x == '\n')
 606                         {
 607                                 std::string ret = std::string(recvq.begin(), x);
 608                                 recvq.erase(recvq.begin(), x + 1);
 609                                 return ret;
 610                         }
 611                 }
 612                 return "";
 613         }
 614
 615         catch (...)
 616         {
 617                 ServerInstance->Log(DEBUG,"Exception in userrec::GetBuffer()");
 618                 return "";
 619         }
 620 }
 621
 622 void userrec::AddWriteBuf(const std::string &data)
 623 {
 624         if (*this->GetWriteError())
 625                 return;
 626
 627         if (sendq.length() + data.length() > (unsigned)this->sendqmax)
 628         {
 629                 /*
 630                  * Fix by brain - Set the error text BEFORE calling writeopers, because
 631                  * if we dont it'll recursively  call here over and over again trying
 632                  * to repeatedly add the text to the sendq!
 633                  */
 634                 this->SetWriteError("SendQ exceeded");
 635                 ServerInstance->WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
 636                 return;
 637         }
 638
 639         try
 640         {
 641                 if (data.length() > 512)
 642                         sendq.append(data.substr(0,510)).append("\r\n");
 643                 else
 644                         sendq.append(data);
 645         }
 646         catch (...)
 647         {
 648                 this->SetWriteError("SendQ exceeded");
 649                 ServerInstance->WriteOpers("*** User %s SendQ got an exception",this->nick);
 650         }
 651 }
 652
 653 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
 654 void userrec::FlushWriteBuf()
 655 {
 656         try
 657         {
 658                 if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError()))
 659                 {
 660                         sendq = "";
 661                 }
 662                 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
 663                 {
 664                         int old_sendq_length = sendq.length();
 665                         int n_sent = write(this->fd, this->sendq.data(), this->sendq.length());
 666                         if (n_sent == -1)
 667                         {
 668                                 if (errno == EAGAIN)
 669                                 {
 670                                         ServerInstance->Log(DEBUG,"EAGAIN, want write");
 671                                         this->ServerInstance->SE->WantWrite(this);
 672                                 }
 673                                 else
 674                                 {
 675                                         this->QuitUser(ServerInstance, this, strerror(errno));
 676                                         return;
 677                                 }
 678                         }
 679                         else
 680                         {
 681                                 // advance the queue
 682                                 if (n_sent)
 683                                         this->sendq = this->sendq.substr(n_sent);
 684                                 // update the user's stats counters
 685                                 this->bytes_out += n_sent;
 686                                 this->cmds_out++;
 687                                 if (n_sent != old_sendq_length)
 688                                 {
 689                                         ServerInstance->Log(DEBUG,"Not all written, want write");
 690                                         this->ServerInstance->SE->WantWrite(this);
 691                                 }
 692                         }
 693                 }
 694         }
 695
 696         catch (...)
 697         {
 698                 ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
 699         }
 700 }
 701
 702 void userrec::SetWriteError(const std::string &error)
 703 {
 704         try
 705         {
 706                 ServerInstance->Log(DEBUG,"SetWriteError: %s",error.c_str());
 707                 // don't try to set the error twice, its already set take the first string.
 708                 if (this->WriteError.empty())
 709                 {
 710                         ServerInstance->Log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
 711                         this->WriteError = error;
 712                 }
 713         }
 714
 715         catch (...)
 716         {
 717                 ServerInstance->Log(DEBUG,"Exception in userrec::SetWriteError()");
 718         }
 719 }
 720
 721 const char* userrec::GetWriteError()
 722 {
 723         return this->WriteError.c_str();
 724 }
 725
 726 void userrec::Oper(const std::string &opertype)
 727 {
 728         try
 729         {
 730                 this->modes[UM_OPERATOR] = 1;
 731                 this->WriteServ("MODE %s :+o", this->nick);
 732                 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
 733                 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
 734                 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
 735                 ServerInstance->all_opers.push_back(this);
 736                 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
 737         }
 738
 739         catch (...)
 740         {
 741                 ServerInstance->Log(DEBUG,"Exception in userrec::Oper()");
 742         }
 743 }
 744
 745 void userrec::UnOper()
 746 {
 747         try
 748         {
 749                 if (*this->oper)
 750                 {
 751                         *this->oper = 0;
 752                         this->modes[UM_OPERATOR] = 0;
 753                         for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
 754                         {
 755                                 if (*a == this)
 756                                 {
 757                                         ServerInstance->Log(DEBUG,"Oper removed from optimization list");
 758                                         ServerInstance->all_opers.erase(a);
 759                                         return;
 760                                 }
 761                         }
 762                 }
 763         }
 764
 765         catch (...)
 766         {
 767                 ServerInstance->Log(DEBUG,"Exception in userrec::UnOper()");
 768         }
 769 }
 770
 771 void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason)
 772 {
 773         user_hash::iterator iter = Instance->clientlist.find(user->nick);
 774         std::string reason = quitreason;
 775
 776         if (reason.length() > MAXQUIT - 1)
 777                 reason.resize(MAXQUIT - 1);
 778
 779         if (IS_LOCAL(user))
 780                 user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str());
 781
 782         if (user->registered == REG_ALL)
 783         {
 784                 user->PurgeEmptyChannels();
 785                 FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason));
 786                 user->WriteCommonExcept("QUIT :%s",reason.c_str());
 787         }
 788
 789         FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user));
 790
 791         if (IS_LOCAL(user))
 792         {
 793                 if (Instance->Config->GetIOHook(user->GetPort()))
 794                 {
 795                         try
 796                         {
 797                                 Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd);
 798                         }
 799                         catch (ModuleException& modexcept)
 800                         {
 801                                 Instance->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
 802                         }
 803                 }
 804
 805                 Instance->SE->DelFd(user);
 806                 user->CloseSocket();
 807         }
 808
 809         /*
 810          * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
 811          * if they were an oper with +sn +qQ.
 812          */
 813         if (user->registered == REG_ALL)
 814         {
 815                 if (IS_LOCAL(user))
 816                         Instance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str());
 817                 else
 818                         Instance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s!%s@%s [%s]",user->server,user->nick,user->ident,user->host,reason.c_str());
 819                 user->AddToWhoWas();
 820         }
 821
 822         if (iter != Instance->clientlist.end())
 823         {
 824                 Instance->Log(DEBUG,"deleting user hash value %lx",(unsigned long)user);
 825                 if (IS_LOCAL(user))
 826                 {
 827                         if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end())
 828                                 Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user));
 829                 }
 830                 Instance->clientlist.erase(iter);
 831                 DELETE(user);
 832         }
 833 }
 834
 835 namespace irc
 836 {
 837         namespace whowas
 838         {
 839
 840                 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
 841                 {
 842                         this->host = strdup(user->host);
 843                         this->dhost = strdup(user->dhost);
 844                         this->ident = strdup(user->ident);
 845                         this->server = user->server;
 846                         this->gecos = strdup(user->fullname);
 847                 }
 848
 849                 WhoWasGroup::~WhoWasGroup()
 850                 {
 851                         if (host)
 852                                 free(host);
 853                         if (dhost)
 854                                 free(dhost);
 855                         if (ident)
 856                                 free(ident);
 857                         if (gecos)
 858                                 free(gecos);
 859                 }
 860
 861                 /* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */
 862                 void MaintainWhoWas(InspIRCd* ServerInstance, time_t t)
 863                 {
 864                         for (whowas_users::iterator iter = ServerInstance->whowas.begin(); iter != ServerInstance->whowas.end(); iter++)
 865                         {
 866                                 whowas_set* n = (whowas_set*)iter->second;
 867                                 if (n->size())
 868                                 {
 869                                         while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep))
 870                                         {
 871                                                 WhoWasGroup *a = *(n->begin());
 872                                                 DELETE(a);
 873                                                 n->erase(n->begin());
 874                                         }
 875                                 }
 876                         }
 877                 }
 878                 /* on rehash, refactor maps according to new conf values */
 879                 void PruneWhoWas(InspIRCd* ServerInstance, time_t t)
 880                 {
 881                         /* config values */
 882                         int groupsize = ServerInstance->Config->WhoWasGroupSize;
 883                         int maxgroups = ServerInstance->Config->WhoWasMaxGroups;
 884                         int maxkeep =   ServerInstance->Config->WhoWasMaxKeep;
 885
 886                         int groupcount = ServerInstance->whowas.size();
 887                         /* iterate whowas_fifo oldest first */
 888                         whowas_users_fifo::iterator iter, safeiter;
 889                         for (iter = ServerInstance->whowas_fifo.begin(); iter != ServerInstance->whowas_fifo.end(); iter++)
 890                         {
 891                                 /** prune all groups that has expired due to new maxkeep time and
 892                                  *  also any group number higher than new maxgroups. The oldest are
 893                                  *  removed first due to iteration over whowas_fifo
 894                                  */
 895                                 if (groupcount > maxgroups || iter->first < t - maxkeep)
 896                                 {
 897                                         whowas_set* n = (whowas_set*)ServerInstance->whowas.find(iter->second)->second;
 898                                         if (n->size())
 899                                         {
 900                                                 while (n->begin() != n->end())
 901                                                 {
 902                                                         WhoWasGroup *a = *(n->begin());
 903                                                         DELETE(a);
 904                                                         n->erase(n->begin());
 905                                                 }
 906                                         }
 907                                         ServerInstance->whowas.erase(iter->second);
 908                                         /* use a safe iter copy for erase and set the orig iter old valid ref by decrementing it */
 909                                         safeiter = iter;
 910                                         --iter;
 911                                         ServerInstance->whowas_fifo.erase(safeiter);
 912                                 }
 913                                 else {
 914                                         /* also trim individual groupsizes in case groupsize should have been lowered */
 915                                         whowas_set* n = (whowas_set*)ServerInstance->whowas.find(iter->second)->second;
 916                                         if (n->size())
 917                                         {
 918                                                 int nickcount = n->size();
 919                                                 while (n->begin() != n->end() && nickcount > groupsize)
 920                                                 {
 921                                                         WhoWasGroup *a = *(n->begin());
 922                                                         DELETE(a);
 923                                                         n->erase(n->begin());
 924                                                         nickcount--;
 925                                                 }
 926                                         }
 927                                 }
 928                                 groupcount--;
 929                         }
 930                 }
 931         };
 932 };
 933
 934 /* adds or updates an entry in the whowas list */
 935 void userrec::AddToWhoWas()
 936 {
 937         /* if whowas disabled */
 938         if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
 939         {
 940                 return;
 941         }
 942
 943         irc::whowas::whowas_users::iterator iter = ServerInstance->whowas.find(this->nick);
 944
 945         ServerInstance->Log(DEBUG,"Add to whowas lists");
 946
 947         if (iter == ServerInstance->whowas.end())
 948         {
 949                 ServerInstance->Log(DEBUG,"Adding new whowas set for %s",this->nick);
 950                 irc::whowas::whowas_set* n = new irc::whowas::whowas_set;
 951                 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
 952                 n->push_back(a);
 953                 ServerInstance->whowas[this->nick] = n;
 954                 ServerInstance->whowas_fifo[ServerInstance->Time()] = this->nick;
 955                 if ((int)(ServerInstance->whowas.size()) > ServerInstance->Config->WhoWasMaxGroups)
 956                 {
 957                         ServerInstance->Log(DEBUG,"Maxgroups of %d reached deleting oldest group '%s'",ServerInstance->Config->WhoWasMaxGroups, ServerInstance->whowas_fifo.begin()->second.c_str());
 958                         ServerInstance->whowas.erase(ServerInstance->whowas_fifo.begin()->second);
 959                         ServerInstance->whowas_fifo.erase(ServerInstance->whowas_fifo.begin());
 960                 }
 961         }
 962         else
 963         {
 964                 irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second;
 965
 966                 ServerInstance->Log(DEBUG,"Using existing whowas group for %s",this->nick);
 967
 968                 if ((int)(group->size()) >= ServerInstance->Config->WhoWasGroupSize)
 969                 {
 970                         ServerInstance->Log(DEBUG,"Trimming existing group '%s' to %d entries",this->nick, ServerInstance->Config->WhoWasGroupSize);
 971                         irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin());
 972                         DELETE(a);
 973                         group->pop_front();
 974                 }
 975
 976                 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
 977                 group->push_back(a);
 978         }
 979 }
 980
 981 /* add a client connection to the sockets list */
 982 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip)
 983 {
 984         std::string tempnick = ConvToStr(socket) + "-unknown";
 985         user_hash::iterator iter = Instance->clientlist.find(tempnick);
 986         const char *ipaddr = insp_ntoa(ip);
 987         userrec* New;
 988         int j = 0;
 989
 990         /*
 991          * fix by brain.
 992          * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
 993          * using one as a registered connection. As they are per fd, we can also safely assume
 994          * that we wont have collisions. Therefore, if the nick exists in the list, its only
 995          * used by a dead socket, erase the iterator so that the new client may reclaim it.
 996          * this was probably the cause of 'server ignores me when i hammer it with reconnects'
 997          * issue in earlier alphas/betas
 998          */
 999         if (iter != Instance->clientlist.end())
1000         {
1001                 userrec* goner = iter->second;
1002                 DELETE(goner);
1003                 Instance->clientlist.erase(iter);
1004         }
1005
1006         Instance->Log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
1007
1008         New = new userrec(Instance);
1009         Instance->clientlist[tempnick] = New;
1010         New->fd = socket;
1011         strlcpy(New->nick,tempnick.c_str(),NICKMAX-1);
1012
1013         New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
1014         /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
1015         strcpy(New->ident, "unknown");
1016
1017         New->registered = REG_NONE;
1018         New->signon = Instance->Time() + Instance->Config->dns_timeout;
1019         New->lastping = 1;
1020
1021         New->SetSockAddr(AF_FAMILY, ipaddr, port);
1022
1023         /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
1024         for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
1025                 New->dhost[j] = New->host[j] = *temp;
1026         New->dhost[j] = New->host[j] = 0;
1027
1028         Instance->AddLocalClone(New);
1029         Instance->AddGlobalClone(New);
1030
1031         // set the registration timeout for this user
1032         unsigned long class_regtimeout = 90;
1033         int class_flood = 0;
1034         long class_threshold = 5;
1035         long class_sqmax = 262144;      // 256kb
1036         long class_rqmax = 4096;        // 4k
1037
1038         for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++)
1039         {
1040                 if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true)))
1041                 {
1042                         class_regtimeout = (unsigned long)i->registration_timeout;
1043                         class_flood = i->flood;
1044                         New->pingmax = i->pingtime;
1045                         class_threshold = i->threshold;
1046                         class_sqmax = i->sendqmax;
1047                         class_rqmax = i->recvqmax;
1048                         break;
1049                 }
1050         }
1051
1052         New->nping = Instance->Time() + New->pingmax + Instance->Config->dns_timeout;
1053         New->timeout = Instance->Time() + class_regtimeout;
1054         New->flood = class_flood;
1055         New->threshold = class_threshold;
1056         New->sendqmax = class_sqmax;
1057         New->recvqmax = class_rqmax;
1058
1059         Instance->local_users.push_back(New);
1060
1061         if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
1062         {
1063                 Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
1064                 userrec::QuitUser(Instance, New,"No more connections allowed");
1065                 return;
1066         }
1067
1068         /*
1069          * XXX -
1070          * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1071          * its a pretty big but for the moment valid assumption:
1072          * file descriptors are handed out starting at 0, and are recycled as theyre freed.
1073          * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1074          * irc server at once (or the irc server otherwise initiating this many connections, files etc)
1075          * which for the time being is a physical impossibility (even the largest networks dont have more
1076          * than about 10,000 users on ONE server!)
1077          */
1078         if ((unsigned int)socket >= MAX_DESCRIPTORS)
1079         {
1080                 userrec::QuitUser(Instance, New, "Server is full");
1081                 return;
1082         }
1083
1084         New->exempt = (Instance->XLines->matches_exception(New) != NULL);
1085         if (!New->exempt)
1086         {
1087                 ZLine* r = Instance->XLines->matches_zline(ipaddr);
1088                 if (r)
1089                 {
1090                         char reason[MAXBUF];
1091                         snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
1092                         userrec::QuitUser(Instance, New, reason);
1093                         return;
1094                 }
1095         }
1096
1097         if (socket > -1)
1098         {
1099                 if (!Instance->SE->AddFd(New))
1100                 {
1101                         userrec::QuitUser(Instance, New, "Internal error handling connection");
1102                         return;
1103                 }
1104         }
1105
1106         /* NOTE: even if dns lookups are *off*, we still need to display this.
1107          * BOPM and other stuff requires it.
1108          */
1109         New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
1110 }
1111
1112 long userrec::GlobalCloneCount()
1113 {
1114         clonemap::iterator x = ServerInstance->global_clones.find(this->GetIPString());
1115         if (x != ServerInstance->global_clones.end())
1116                 return x->second;
1117         else
1118                 return 0;
1119 }
1120
1121 long userrec::LocalCloneCount()
1122 {
1123         clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
1124         if (x != ServerInstance->local_clones.end())
1125                 return x->second;
1126         else
1127                 return 0;
1128 }
1129
1130 void userrec::FullConnect(CullList* Goners)
1131 {
1132         ServerInstance->stats->statsConnects++;
1133         this->idle_lastmsg = ServerInstance->Time();
1134
1135         ConnectClass a = this->GetClass();
1136
1137         if (a.type == CC_DENY)
1138         {
1139                 Goners->AddItem(this,"Unauthorised connection");
1140                 return;
1141         }
1142
1143         if ((*(a.pass.c_str())) && (!this->haspassed))
1144         {
1145                 Goners->AddItem(this,"Invalid password");
1146                 return;
1147         }
1148
1149         if (this->LocalCloneCount() > a.maxlocal)
1150         {
1151                 Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)");
1152                 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString());
1153                 return;
1154         }
1155         else if (this->GlobalCloneCount() > a.maxglobal)
1156         {
1157                 Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)");
1158                 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString());
1159                 return;
1160         }
1161
1162         if (!this->exempt)
1163         {
1164                 GLine* r = ServerInstance->XLines->matches_gline(this);
1165
1166                 if (r)
1167                 {
1168                         char reason[MAXBUF];
1169                         snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
1170                         Goners->AddItem(this, reason);
1171                         return;
1172                 }
1173
1174                 KLine* n = ServerInstance->XLines->matches_kline(this);
1175
1176                 if (n)
1177                 {
1178                         char reason[MAXBUF];
1179                         snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
1180                         Goners->AddItem(this, reason);
1181                         return;
1182                 }
1183         }
1184
1185
1186         this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1187         this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1188         this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1189         this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1190         this->WriteServ("004 %s %s %s %s %s %s", this->nick, ServerInstance->Config->ServerName, VERSION, ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
1191
1192         ServerInstance->Config->Send005(this);
1193
1194         this->ShowMOTD();
1195
1196         /*
1197          * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1198          * changes dont go out onto the network and produce 'fake direction'.
1199          */
1200         FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1201
1202         this->registered = REG_ALL;
1203
1204         FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1205
1206         ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1207 }
1208
1209 /** userrec::UpdateNick()
1210  * re-allocates a nick in the user_hash after they change nicknames,
1211  * returns a pointer to the new user as it may have moved
1212  */
1213 userrec* userrec::UpdateNickHash(const char* New)
1214 {
1215         try
1216         {
1217                 //user_hash::iterator newnick;
1218                 user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick);
1219
1220                 if (!strcasecmp(this->nick,New))
1221                         return oldnick->second;
1222
1223                 if (oldnick == ServerInstance->clientlist.end())
1224                         return NULL; /* doesnt exist */
1225
1226                 userrec* olduser = oldnick->second;
1227                 ServerInstance->clientlist[New] = olduser;
1228                 ServerInstance->clientlist.erase(oldnick);
1229                 return ServerInstance->clientlist[New];
1230         }
1231
1232         catch (...)
1233         {
1234                 ServerInstance->Log(DEBUG,"Exception in userrec::UpdateNickHash()");
1235                 return NULL;
1236         }
1237 }
1238
1239 bool userrec::ForceNickChange(const char* newnick)
1240 {
1241         try
1242         {
1243                 int MOD_RESULT = 0;
1244
1245                 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1246
1247                 if (MOD_RESULT)
1248                 {
1249                         ServerInstance->stats->statsCollisions++;
1250                         return false;
1251                 }
1252
1253                 if (ServerInstance->XLines->matches_qline(newnick))
1254                 {
1255                         ServerInstance->stats->statsCollisions++;
1256                         return false;
1257                 }
1258
1259                 if (this->registered == REG_ALL)
1260                 {
1261                         const char* pars[1];
1262                         pars[0] = newnick;
1263                         std::string cmd = "NICK";
1264                         return (ServerInstance->Parser->CallHandler(cmd, pars, 1, this) == CMD_SUCCESS);
1265                 }
1266                 return false;
1267         }
1268
1269         catch (...)
1270         {
1271                 ServerInstance->Log(DEBUG,"Exception in userrec::ForceNickChange()");
1272                 return false;
1273         }
1274 }
1275
1276 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1277 {
1278         switch (protocol_family)
1279         {
1280 #ifdef SUPPORT_IP6LINKS
1281                 case AF_INET6:
1282                 {
1283                         ServerInstance->Log(DEBUG,"Set inet6 protocol address");
1284                         sockaddr_in6* sin = new sockaddr_in6;
1285                         sin->sin6_family = AF_INET6;
1286                         sin->sin6_port = port;
1287                         inet_pton(AF_INET6, ip, &sin->sin6_addr);
1288                         this->ip = (sockaddr*)sin;
1289                 }
1290                 break;
1291 #endif
1292                 case AF_INET:
1293                 {
1294                         ServerInstance->Log(DEBUG,"Set inet4 protocol address");
1295                         sockaddr_in* sin = new sockaddr_in;
1296                         sin->sin_family = AF_INET;
1297                         sin->sin_port = port;
1298                         inet_pton(AF_INET, ip, &sin->sin_addr);
1299                         this->ip = (sockaddr*)sin;
1300                 }
1301                 break;
1302                 default:
1303                         ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1304                 break;
1305         }
1306 }
1307
1308 int userrec::GetPort()
1309 {
1310         if (this->ip == NULL)
1311                 return 0;
1312
1313         switch (this->GetProtocolFamily())
1314         {
1315 #ifdef SUPPORT_IP6LINKS
1316                 case AF_INET6:
1317                 {
1318                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1319                         return sin->sin6_port;
1320                 }
1321                 break;
1322 #endif
1323                 case AF_INET:
1324                 {
1325                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1326                         return sin->sin_port;
1327                 }
1328                 break;
1329                 default:
1330                         ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1331                 break;
1332         }
1333         return 0;
1334 }
1335
1336 int userrec::GetProtocolFamily()
1337 {
1338         if (this->ip == NULL)
1339                 return 0;
1340
1341         sockaddr_in* sin = (sockaddr_in*)this->ip;
1342         return sin->sin_family;
1343 }
1344
1345 const char* userrec::GetIPString()
1346 {
1347         static char buf[1024];
1348
1349         if (this->ip == NULL)
1350                 return "";
1351
1352         switch (this->GetProtocolFamily())
1353         {
1354 #ifdef SUPPORT_IP6LINKS
1355                 case AF_INET6:
1356                 {
1357                         static char temp[1024];
1358
1359                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1360                         inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1361                         /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1362                         if (*buf == ':')
1363                         {
1364                                 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1365                                 *temp = '0';
1366                                 return temp;
1367                         }
1368                         return buf;
1369                 }
1370                 break;
1371 #endif
1372                 case AF_INET:
1373                 {
1374                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1375                         inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1376                         return buf;
1377                 }
1378                 break;
1379                 default:
1380                         ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1381                 break;
1382         }
1383         return "";
1384 }
1385
1386 const char* userrec::GetIPString(char* buf)
1387 {
1388         if (this->ip == NULL)
1389         {
1390                 *buf = 0;
1391                 return buf;
1392         }
1393
1394         switch (this->GetProtocolFamily())
1395         {
1396 #ifdef SUPPORT_IP6LINKS
1397                 case AF_INET6:
1398                 {
1399                         static char temp[1024];
1400
1401                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1402                         inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1403                         /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1404                         if (*buf == ':')
1405                         {
1406                                 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1407                                 *temp = '0';
1408                                 strlcpy(buf, temp, sizeof(temp));
1409                         }
1410                         return buf;
1411                 }
1412                 break;
1413 #endif
1414                 case AF_INET:
1415                 {
1416                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1417                         inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1418                         return buf;
1419                 }
1420                 break;
1421
1422                 default:
1423                         ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1424                 break;
1425         }
1426         return "";
1427 }
1428
1429 /** NOTE: We cannot pass a const reference to this method.
1430  * The string is changed by the workings of the method,
1431  * so that if we pass const ref, we end up copying it to
1432  * something we can change anyway. Makes sense to just let
1433  * the compiler do that copy for us.
1434  */
1435 void userrec::Write(std::string text)
1436 {
1437         if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1438                 return;
1439
1440         try
1441         {
1442                 text.append("\r\n");
1443         }
1444         catch (...)
1445         {
1446                 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1447                 return;
1448         }
1449
1450         if (ServerInstance->Config->GetIOHook(this->GetPort()))
1451         {
1452                 try
1453                 {
1454                         ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1455                 }
1456                 catch (ModuleException& modexcept)
1457                 {
1458                         ServerInstance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
1459                 }
1460         }
1461         else
1462         {
1463                 this->AddWriteBuf(text);
1464         }
1465         ServerInstance->stats->statsSent += text.length();
1466         this->ServerInstance->SE->WantWrite(this);
1467 }
1468
1469 /** Write()
1470  */
1471 void userrec::Write(const char *text, ...)
1472 {
1473         va_list argsPtr;
1474         char textbuffer[MAXBUF];
1475
1476         va_start(argsPtr, text);
1477         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1478         va_end(argsPtr);
1479
1480         this->Write(std::string(textbuffer));
1481 }
1482
1483 void userrec::WriteServ(const std::string& text)
1484 {
1485         char textbuffer[MAXBUF];
1486
1487         snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1488         this->Write(std::string(textbuffer));
1489 }
1490
1491 /** WriteServ()
1492  *  Same as Write(), except `text' is prefixed with `:server.name '.
1493  */
1494 void userrec::WriteServ(const char* text, ...)
1495 {
1496         va_list argsPtr;
1497         char textbuffer[MAXBUF];
1498
1499         va_start(argsPtr, text);
1500         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1501         va_end(argsPtr);
1502
1503         this->WriteServ(std::string(textbuffer));
1504 }
1505
1506
1507 void userrec::WriteFrom(userrec *user, const std::string &text)
1508 {
1509         char tb[MAXBUF];
1510
1511         snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1512
1513         this->Write(std::string(tb));
1514 }
1515
1516
1517 /* write text from an originating user to originating user */
1518
1519 void userrec::WriteFrom(userrec *user, const char* text, ...)
1520 {
1521         va_list argsPtr;
1522         char textbuffer[MAXBUF];
1523
1524         va_start(argsPtr, text);
1525         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1526         va_end(argsPtr);
1527
1528         this->WriteFrom(user, std::string(textbuffer));
1529 }
1530
1531
1532 /* write text to an destination user from a source user (e.g. user privmsg) */
1533
1534 void userrec::WriteTo(userrec *dest, const char *data, ...)
1535 {
1536         char textbuffer[MAXBUF];
1537         va_list argsPtr;
1538
1539         va_start(argsPtr, data);
1540         vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1541         va_end(argsPtr);
1542
1543         this->WriteTo(dest, std::string(textbuffer));
1544 }
1545
1546 void userrec::WriteTo(userrec *dest, const std::string &data)
1547 {
1548         dest->WriteFrom(this, data);
1549 }
1550
1551
1552 void userrec::WriteCommon(const char* text, ...)
1553 {
1554         char textbuffer[MAXBUF];
1555         va_list argsPtr;
1556
1557         if (this->registered != REG_ALL)
1558                 return;
1559
1560         va_start(argsPtr, text);
1561         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1562         va_end(argsPtr);
1563
1564         this->WriteCommon(std::string(textbuffer));
1565 }
1566
1567 void userrec::WriteCommon(const std::string &text)
1568 {
1569         try
1570         {
1571                 bool sent_to_at_least_one = false;
1572
1573                 if (this->registered != REG_ALL)
1574                         return;
1575
1576                 uniq_id++;
1577
1578                 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1579                 {
1580                         CUList* ulist = v->first->GetUsers();
1581                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1582                         {
1583                                 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1584                                 {
1585                                         already_sent[i->second->fd] = uniq_id;
1586                                         i->second->WriteFrom(this, std::string(text));
1587                                         sent_to_at_least_one = true;
1588                                 }
1589                         }
1590                 }
1591
1592                 /*
1593                  * if the user was not in any channels, no users will receive the text. Make sure the user
1594                  * receives their OWN message for WriteCommon
1595                  */
1596                 if (!sent_to_at_least_one)
1597                 {
1598                         this->WriteFrom(this,std::string(text));
1599                 }
1600         }
1601
1602         catch (...)
1603         {
1604                 ServerInstance->Log(DEBUG,"Exception in userrec::WriteCommon()");
1605         }
1606 }
1607
1608
1609 /* write a formatted string to all users who share at least one common
1610  * channel, NOT including the source user e.g. for use in QUIT
1611  */
1612
1613 void userrec::WriteCommonExcept(const char* text, ...)
1614 {
1615         char textbuffer[MAXBUF];
1616         va_list argsPtr;
1617
1618         va_start(argsPtr, text);
1619         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1620         va_end(argsPtr);
1621
1622         this->WriteCommonExcept(std::string(textbuffer));
1623 }
1624
1625 void userrec::WriteCommonExcept(const std::string &text)
1626 {
1627         bool quit_munge = false;
1628         char oper_quit[MAXBUF];
1629         char textbuffer[MAXBUF];
1630
1631         strlcpy(textbuffer, text.c_str(), MAXBUF);
1632
1633         if (this->registered != REG_ALL)
1634                 return;
1635
1636         uniq_id++;
1637
1638         /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
1639          * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
1640          * can go byebye.
1641          */
1642         if (ServerInstance->Config->HideSplits)
1643         {
1644                 char* check = textbuffer + 6;
1645
1646                 if (!strncasecmp(textbuffer, "QUIT :",6))
1647                 {
1648                         std::stringstream split(check);
1649                         std::string server_one;
1650                         std::string server_two;
1651
1652                         split >> server_one;
1653                         split >> server_two;
1654
1655                         if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
1656                         {
1657                                 strlcpy(oper_quit,textbuffer,MAXQUIT);
1658                                 strlcpy(check,"*.net *.split",MAXQUIT);
1659                                 quit_munge = true;
1660                         }
1661                 }
1662         }
1663
1664         if ((ServerInstance->Config->HideBans) && (!quit_munge))
1665         {
1666                 if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
1667                 || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
1668                 {
1669                         char* check = textbuffer + 13;
1670                         strlcpy(oper_quit,textbuffer,MAXQUIT);
1671                         *check = 0;  // We don't need to strlcpy, we just chop it from the :
1672                         quit_munge = true;
1673                 }
1674         }
1675
1676         for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1677         {
1678                 CUList *ulist = v->first->GetUsers();
1679                 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1680                 {
1681                         if (this != i->second)
1682                         {
1683                                 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1684                                 {
1685                                         already_sent[i->second->fd] = uniq_id;
1686                                         if (quit_munge)
1687                                                 i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer));
1688                                         else
1689                                                 i->second->WriteFrom(this, std::string(textbuffer));
1690                                 }
1691                         }
1692                 }
1693         }
1694
1695 }
1696
1697 void userrec::WriteWallOps(const std::string &text)
1698 {
1699         /* Does nothing if theyre not opered */
1700         if ((!*this->oper) && (IS_LOCAL(this)))
1701                 return;
1702
1703         std::string wallop = "WALLOPS :";
1704
1705         try
1706         {
1707                 wallop.append(text);
1708         }
1709         catch (...)
1710         {
1711                 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1712                 return;
1713         }
1714
1715         for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1716         {
1717                 userrec* t = *i;
1718                 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1719                         this->WriteTo(t,wallop);
1720         }
1721 }
1722
1723 void userrec::WriteWallOps(const char* text, ...)
1724 {
1725         char textbuffer[MAXBUF];
1726         va_list argsPtr;
1727
1728         va_start(argsPtr, text);
1729         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1730         va_end(argsPtr);
1731
1732         this->WriteWallOps(std::string(textbuffer));
1733 }
1734
1735 /* return 0 or 1 depending if users u and u2 share one or more common channels
1736  * (used by QUIT, NICK etc which arent channel specific notices)
1737  *
1738  * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1739  * the first users channels then the second users channels within the outer loop,
1740  * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1741  * all possible iterations). However this new function instead checks against the
1742  * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1743  * and saves us time as we already know what pointer value we are after.
1744  * Don't quote me on the maths as i am not a mathematician or computer scientist,
1745  * but i believe this algorithm is now x+(log y) maximum iterations instead.
1746  */
1747 bool userrec::SharesChannelWith(userrec *other)
1748 {
1749         if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1750                 return false;
1751
1752         /* Outer loop */
1753         for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1754         {
1755                 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1756                  * by replacing it with a map::find which *should* be more efficient
1757                  */
1758                 if (i->first->HasUser(other))
1759                         return true;
1760         }
1761         return false;
1762 }
1763
1764 int userrec::CountChannels()
1765 {
1766         return ChannelCount;
1767 }
1768
1769 void userrec::ModChannelCount(int n)
1770 {
1771         ChannelCount += n;
1772 }
1773
1774 bool userrec::ChangeName(const char* gecos)
1775 {
1776         if (!strcmp(gecos, this->fullname))
1777                 return true;
1778
1779         if (IS_LOCAL(this))
1780         {
1781                 int MOD_RESULT = 0;
1782                 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1783                 if (MOD_RESULT)
1784                         return false;
1785                 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1786         }
1787         strlcpy(this->fullname,gecos,MAXGECOS+1);
1788         return true;
1789 }
1790
1791 bool userrec::ChangeDisplayedHost(const char* host)
1792 {
1793         if (!strcmp(host, this->dhost))
1794                 return true;
1795
1796         if (IS_LOCAL(this))
1797         {
1798                 int MOD_RESULT = 0;
1799                 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1800                 if (MOD_RESULT)
1801                         return false;
1802                 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1803         }
1804         if (this->ServerInstance->Config->CycleHosts)
1805                 this->WriteCommonExcept("QUIT :Changing hosts");
1806
1807         /* Fix by Om: userrec::dhost is 65 long, this was truncating some long hosts */
1808         strlcpy(this->dhost,host,64);
1809
1810         if (this->ServerInstance->Config->CycleHosts)
1811         {
1812                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1813                 {
1814                         i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1815                         std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1816                         if (n.length() > 0)
1817                                 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1818                 }
1819         }
1820
1821         if (IS_LOCAL(this))
1822                 this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
1823
1824         return true;
1825 }
1826
1827 bool userrec::ChangeIdent(const char* newident)
1828 {
1829         if (!strcmp(newident, this->ident))
1830                 return true;
1831
1832         if (this->ServerInstance->Config->CycleHosts)
1833                 this->WriteCommonExcept("%s","QUIT :Changing ident");
1834
1835         strlcpy(this->ident, newident, IDENTMAX+2);
1836
1837         if (this->ServerInstance->Config->CycleHosts)
1838         {
1839                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1840                 {
1841                         i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1842                         std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1843                         if (n.length() > 0)
1844                                 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1845                 }
1846         }
1847
1848         return true;
1849 }
1850
1851 void userrec::NoticeAll(char* text, ...)
1852 {
1853         char textbuffer[MAXBUF];
1854         char formatbuffer[MAXBUF];
1855         va_list argsPtr;
1856
1857         va_start(argsPtr, text);
1858         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1859         va_end(argsPtr);
1860
1861         snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
1862
1863         for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1864         {
1865                 userrec* t = *i;
1866                 t->WriteFrom(this, std::string(formatbuffer));
1867         }
1868 }
1869
1870
1871 std::string userrec::ChannelList(userrec* source)
1872 {
1873         try
1874         {
1875                 std::string list;
1876                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1877                 {
1878                         /* If the target is the same as the sender, let them see all their channels.
1879                          * If the channel is NOT private/secret OR the user shares a common channel
1880                          * If the user is an oper, and the <options:operspywhois> option is set.
1881                          */
1882                         if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!i->first->modes[CM_PRIVATE]) && (!i->first->modes[CM_SECRET])) || (i->first->HasUser(source))))
1883                         {
1884                                 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1885                         }
1886                 }
1887                 return list;
1888         }
1889         catch (...)
1890         {
1891                 ServerInstance->Log(DEBUG,"Exception in userrec::ChannelList()");
1892                 return "";
1893         }
1894 }
1895
1896 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1897 {
1898         std::string line;
1899         std::ostringstream prefix;
1900         std::string::size_type start, pos, length;
1901
1902         try
1903         {
1904                 prefix << this->nick << " " << dest->nick << " :";
1905                 line = prefix.str();
1906                 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1907
1908                 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1909                 {
1910                         length = (pos == std::string::npos) ? cl.length() : pos;
1911
1912                         if (line.length() + namelen + length - start > 510)
1913                         {
1914                                 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1915                                 line = prefix.str();
1916                         }
1917
1918                         if(pos == std::string::npos)
1919                         {
1920                                 line.append(cl.substr(start, length - start));
1921                                 break;
1922                         }
1923                         else
1924                         {
1925                                 line.append(cl.substr(start, length - start + 1));
1926                         }
1927                 }
1928
1929                 if (line.length())
1930                 {
1931                         ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1932                 }
1933         }
1934
1935         catch (...)
1936         {
1937                 ServerInstance->Log(DEBUG,"Exception in userrec::SplitChanList()");
1938         }
1939 }
1940
1941
1942 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1943  * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1944  * then their ip will be taken as 'priority' anyway, so for example,
1945  * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1946  */
1947 ConnectClass& userrec::GetClass()
1948 {
1949         for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1950         {
1951                 if ((match(this->GetIPString(),i->host.c_str(),true)) || (match(this->host,i->host.c_str())))
1952                         return *i;
1953         }
1954
1955         return *(ServerInstance->Config->Classes.begin());
1956 }
1957
1958 void userrec::PurgeEmptyChannels()
1959 {
1960         std::vector<chanrec*> to_delete;
1961
1962         // firstly decrement the count on each channel
1963         for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1964         {
1965                 f->first->RemoveAllPrefixes(this);
1966                 if (f->first->DelUser(this) == 0)
1967                 {
1968                         /* No users left in here, mark it for deletion */
1969                         try
1970                         {
1971                                 to_delete.push_back(f->first);
1972                         }
1973                         catch (...)
1974                         {
1975                                 ServerInstance->Log(DEBUG,"Exception in userrec::PurgeEmptyChannels to_delete.push_back()");
1976                         }
1977                 }
1978         }
1979
1980         for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1981         {
1982                 chanrec* thischan = *n;
1983                 chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name);
1984                 if (i2 != ServerInstance->chanlist.end())
1985                 {
1986                         FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1987                         DELETE(i2->second);
1988                         ServerInstance->chanlist.erase(i2);
1989                 }
1990         }
1991
1992         this->UnOper();
1993 }
1994
1995 void userrec::ShowMOTD()
1996 {
1997         if (!ServerInstance->Config->MOTD.size())
1998         {
1999                 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
2000                 return;
2001         }
2002         this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
2003
2004         for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
2005                 this->WriteServ("372 %s :- %s",this->nick,i->c_str());
2006
2007         this->WriteServ("376 %s :End of message of the day.", this->nick);
2008 }
2009
2010 void userrec::ShowRULES()
2011 {
2012         if (!ServerInstance->Config->RULES.size())
2013         {
2014                 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
2015                 return;
2016         }
2017         this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
2018
2019         for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
2020                 this->WriteServ("NOTICE %s :%s",this->nick,i->c_str());
2021
2022         this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
2023 }
2024
2025 void userrec::HandleEvent(EventType et, int errornum)
2026 {
2027         /* WARNING: May delete this user! */
2028         try
2029         {
2030                 switch (et)
2031                 {
2032                         case EVENT_READ:
2033                                 ServerInstance->ProcessUser(this);
2034                         break;
2035                         case EVENT_WRITE:
2036                                 this->FlushWriteBuf();
2037                         break;
2038                         case EVENT_ERROR:
2039                                 /** This should be safe, but dont DARE do anything after it -- Brain */
2040                                 userrec::QuitUser(ServerInstance, this, errornum ? strerror(errornum) : "EOF from client");
2041                         break;
2042                 }
2043         }
2044         catch (...)
2045         {
2046                 ServerInstance->Log(DEBUG,"Exception in userrec::HandleEvent intercepted");
2047         }
2048 }