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                                         /* The socket buffer is full. This isnt fatal,
 671                                          * try again later.
 672                                          */
 673                                         ServerInstance->Log(DEBUG,"EAGAIN, want write");
 674                                         this->ServerInstance->SE->WantWrite(this);
 675                                 }
 676                                 else
 677                                 {
 678                                         /* Fatal error, set write error and bail
 679                                          */
 680                                         this->SetWriteError(strerror(errno));
 681                                         return;
 682                                 }
 683                         }
 684                         else
 685                         {
 686                                 /* advance the queue */
 687                                 if (n_sent)
 688                                         this->sendq = this->sendq.substr(n_sent);
 689                                 /* update the user's stats counters */
 690                                 this->bytes_out += n_sent;
 691                                 this->cmds_out++;
 692                                 if (n_sent != old_sendq_length)
 693                                 {
 694                                         ServerInstance->Log(DEBUG,"Not all written, want write");
 695                                         this->ServerInstance->SE->WantWrite(this);
 696                                 }
 697                         }
 698                 }
 699         }
 700
 701         catch (...)
 702         {
 703                 ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
 704         }
 705 }
 706
 707 void userrec::SetWriteError(const std::string &error)
 708 {
 709         try
 710         {
 711                 // don't try to set the error twice, its already set take the first string.
 712                 if (this->WriteError.empty())
 713                 {
 714                         ServerInstance->Log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
 715                         this->WriteError = error;
 716                 }
 717         }
 718
 719         catch (...)
 720         {
 721                 ServerInstance->Log(DEBUG,"Exception in userrec::SetWriteError()");
 722         }
 723 }
 724
 725 const char* userrec::GetWriteError()
 726 {
 727         return this->WriteError.c_str();
 728 }
 729
 730 void userrec::Oper(const std::string &opertype)
 731 {
 732         try
 733         {
 734                 this->modes[UM_OPERATOR] = 1;
 735                 this->WriteServ("MODE %s :+o", this->nick);
 736                 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
 737                 ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
 738                 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
 739                 ServerInstance->all_opers.push_back(this);
 740                 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
 741         }
 742
 743         catch (...)
 744         {
 745                 ServerInstance->Log(DEBUG,"Exception in userrec::Oper()");
 746         }
 747 }
 748
 749 void userrec::UnOper()
 750 {
 751         try
 752         {
 753                 if (*this->oper)
 754                 {
 755                         *this->oper = 0;
 756                         this->modes[UM_OPERATOR] = 0;
 757                         for (std::vector<userrec*>::iterator a = ServerInstance->all_opers.begin(); a < ServerInstance->all_opers.end(); a++)
 758                         {
 759                                 if (*a == this)
 760                                 {
 761                                         ServerInstance->Log(DEBUG,"Oper removed from optimization list");
 762                                         ServerInstance->all_opers.erase(a);
 763                                         return;
 764                                 }
 765                         }
 766                 }
 767         }
 768
 769         catch (...)
 770         {
 771                 ServerInstance->Log(DEBUG,"Exception in userrec::UnOper()");
 772         }
 773 }
 774
 775 void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason)
 776 {
 777         user_hash::iterator iter = Instance->clientlist.find(user->nick);
 778         std::string reason = quitreason;
 779
 780         if (reason.length() > MAXQUIT - 1)
 781                 reason.resize(MAXQUIT - 1);
 782
 783         if (IS_LOCAL(user))
 784                 user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str());
 785
 786         if (user->registered == REG_ALL)
 787         {
 788                 user->PurgeEmptyChannels();
 789                 FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason));
 790                 user->WriteCommonExcept("QUIT :%s",reason.c_str());
 791         }
 792
 793         FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user));
 794
 795         if (IS_LOCAL(user))
 796         {
 797                 if (Instance->Config->GetIOHook(user->GetPort()))
 798                 {
 799                         try
 800                         {
 801                                 Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd);
 802                         }
 803                         catch (ModuleException& modexcept)
 804                         {
 805                                 Instance->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
 806                         }
 807                 }
 808
 809                 Instance->SE->DelFd(user);
 810                 user->CloseSocket();
 811         }
 812
 813         /*
 814          * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
 815          * if they were an oper with +sn +qQ.
 816          */
 817         if (user->registered == REG_ALL)
 818         {
 819                 if (IS_LOCAL(user))
 820                         Instance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str());
 821                 else
 822                         Instance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s!%s@%s [%s]",user->server,user->nick,user->ident,user->host,reason.c_str());
 823                 user->AddToWhoWas();
 824         }
 825
 826         if (iter != Instance->clientlist.end())
 827         {
 828                 Instance->Log(DEBUG,"deleting user hash value %lx",(unsigned long)user);
 829                 if (IS_LOCAL(user))
 830                 {
 831                         if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end())
 832                                 Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user));
 833                 }
 834                 Instance->clientlist.erase(iter);
 835                 DELETE(user);
 836         }
 837 }
 838
 839 namespace irc
 840 {
 841         namespace whowas
 842         {
 843
 844                 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
 845                 {
 846                         this->host = strdup(user->host);
 847                         this->dhost = strdup(user->dhost);
 848                         this->ident = strdup(user->ident);
 849                         this->server = user->server;
 850                         this->gecos = strdup(user->fullname);
 851                 }
 852
 853                 WhoWasGroup::~WhoWasGroup()
 854                 {
 855                         if (host)
 856                                 free(host);
 857                         if (dhost)
 858                                 free(dhost);
 859                         if (ident)
 860                                 free(ident);
 861                         if (gecos)
 862                                 free(gecos);
 863                 }
 864
 865                 /* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */
 866                 void MaintainWhoWas(InspIRCd* ServerInstance, time_t t)
 867                 {
 868                         for (whowas_users::iterator iter = ServerInstance->whowas.begin(); iter != ServerInstance->whowas.end(); iter++)
 869                         {
 870                                 whowas_set* n = (whowas_set*)iter->second;
 871                                 if (n->size())
 872                                 {
 873                                         while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep))
 874                                         {
 875                                                 WhoWasGroup *a = *(n->begin());
 876                                                 DELETE(a);
 877                                                 n->erase(n->begin());
 878                                         }
 879                                 }
 880                         }
 881                 }
 882                 /* on rehash, refactor maps according to new conf values */
 883                 void PruneWhoWas(InspIRCd* ServerInstance, time_t t)
 884                 {
 885                         /* config values */
 886                         int groupsize = ServerInstance->Config->WhoWasGroupSize;
 887                         int maxgroups = ServerInstance->Config->WhoWasMaxGroups;
 888                         int maxkeep =   ServerInstance->Config->WhoWasMaxKeep;
 889
 890                         int groupcount = ServerInstance->whowas.size();
 891                         /* iterate whowas_fifo oldest first */
 892                         whowas_users_fifo::iterator iter, safeiter;
 893                         for (iter = ServerInstance->whowas_fifo.begin(); iter != ServerInstance->whowas_fifo.end(); iter++)
 894                         {
 895                                 /** prune all groups that has expired due to new maxkeep time and
 896                                  *  also any group number higher than new maxgroups. The oldest are
 897                                  *  removed first due to iteration over whowas_fifo
 898                                  */
 899                                 if (groupcount > maxgroups || iter->first < t - maxkeep)
 900                                 {
 901                                         whowas_set* n = (whowas_set*)ServerInstance->whowas.find(iter->second)->second;
 902                                         if (n->size())
 903                                         {
 904                                                 while (n->begin() != n->end())
 905                                                 {
 906                                                         WhoWasGroup *a = *(n->begin());
 907                                                         DELETE(a);
 908                                                         n->erase(n->begin());
 909                                                 }
 910                                         }
 911                                         ServerInstance->whowas.erase(iter->second);
 912                                         /* use a safe iter copy for erase and set the orig iter old valid ref by decrementing it */
 913                                         safeiter = iter;
 914                                         --iter;
 915                                         ServerInstance->whowas_fifo.erase(safeiter);
 916                                 }
 917                                 else {
 918                                         /* also trim individual groupsizes in case groupsize should have been lowered */
 919                                         whowas_set* n = (whowas_set*)ServerInstance->whowas.find(iter->second)->second;
 920                                         if (n->size())
 921                                         {
 922                                                 int nickcount = n->size();
 923                                                 while (n->begin() != n->end() && nickcount > groupsize)
 924                                                 {
 925                                                         WhoWasGroup *a = *(n->begin());
 926                                                         DELETE(a);
 927                                                         n->erase(n->begin());
 928                                                         nickcount--;
 929                                                 }
 930                                         }
 931                                 }
 932                                 groupcount--;
 933                         }
 934                 }
 935         };
 936 };
 937
 938 /* adds or updates an entry in the whowas list */
 939 void userrec::AddToWhoWas()
 940 {
 941         /* if whowas disabled */
 942         if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
 943         {
 944                 return;
 945         }
 946
 947         irc::whowas::whowas_users::iterator iter = ServerInstance->whowas.find(this->nick);
 948
 949         ServerInstance->Log(DEBUG,"Add to whowas lists");
 950
 951         if (iter == ServerInstance->whowas.end())
 952         {
 953                 ServerInstance->Log(DEBUG,"Adding new whowas set for %s",this->nick);
 954                 irc::whowas::whowas_set* n = new irc::whowas::whowas_set;
 955                 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
 956                 n->push_back(a);
 957                 ServerInstance->whowas[this->nick] = n;
 958                 ServerInstance->whowas_fifo[ServerInstance->Time()] = this->nick;
 959                 if ((int)(ServerInstance->whowas.size()) > ServerInstance->Config->WhoWasMaxGroups)
 960                 {
 961                         ServerInstance->Log(DEBUG,"Maxgroups of %d reached deleting oldest group '%s'",ServerInstance->Config->WhoWasMaxGroups, ServerInstance->whowas_fifo.begin()->second.c_str());
 962                         ServerInstance->whowas.erase(ServerInstance->whowas_fifo.begin()->second);
 963                         ServerInstance->whowas_fifo.erase(ServerInstance->whowas_fifo.begin());
 964                 }
 965         }
 966         else
 967         {
 968                 irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second;
 969
 970                 ServerInstance->Log(DEBUG,"Using existing whowas group for %s",this->nick);
 971
 972                 if ((int)(group->size()) >= ServerInstance->Config->WhoWasGroupSize)
 973                 {
 974                         ServerInstance->Log(DEBUG,"Trimming existing group '%s' to %d entries",this->nick, ServerInstance->Config->WhoWasGroupSize);
 975                         irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin());
 976                         DELETE(a);
 977                         group->pop_front();
 978                 }
 979
 980                 irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this);
 981                 group->push_back(a);
 982         }
 983 }
 984
 985 /* add a client connection to the sockets list */
 986 void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip)
 987 {
 988         std::string tempnick = ConvToStr(socket) + "-unknown";
 989         user_hash::iterator iter = Instance->clientlist.find(tempnick);
 990         const char *ipaddr = insp_ntoa(ip);
 991         userrec* New;
 992         int j = 0;
 993
 994         /*
 995          * fix by brain.
 996          * as these nicknames are 'RFC impossible', we can be sure nobody is going to be
 997          * using one as a registered connection. As they are per fd, we can also safely assume
 998          * that we wont have collisions. Therefore, if the nick exists in the list, its only
 999          * used by a dead socket, erase the iterator so that the new client may reclaim it.
1000          * this was probably the cause of 'server ignores me when i hammer it with reconnects'
1001          * issue in earlier alphas/betas
1002          */
1003         if (iter != Instance->clientlist.end())
1004         {
1005                 userrec* goner = iter->second;
1006                 DELETE(goner);
1007                 Instance->clientlist.erase(iter);
1008         }
1009
1010         Instance->Log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
1011
1012         New = new userrec(Instance);
1013         Instance->clientlist[tempnick] = New;
1014         New->fd = socket;
1015         strlcpy(New->nick,tempnick.c_str(),NICKMAX-1);
1016
1017         New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
1018         /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
1019         strcpy(New->ident, "unknown");
1020
1021         New->registered = REG_NONE;
1022         New->signon = Instance->Time() + Instance->Config->dns_timeout;
1023         New->lastping = 1;
1024
1025         New->SetSockAddr(AF_FAMILY, ipaddr, port);
1026
1027         /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
1028         for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
1029                 New->dhost[j] = New->host[j] = *temp;
1030         New->dhost[j] = New->host[j] = 0;
1031
1032         Instance->AddLocalClone(New);
1033         Instance->AddGlobalClone(New);
1034
1035         // set the registration timeout for this user
1036         unsigned long class_regtimeout = 90;
1037         int class_flood = 0;
1038         long class_threshold = 5;
1039         long class_sqmax = 262144;      // 256kb
1040         long class_rqmax = 4096;        // 4k
1041
1042         for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++)
1043         {
1044                 if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true)))
1045                 {
1046                         class_regtimeout = (unsigned long)i->registration_timeout;
1047                         class_flood = i->flood;
1048                         New->pingmax = i->pingtime;
1049                         class_threshold = i->threshold;
1050                         class_sqmax = i->sendqmax;
1051                         class_rqmax = i->recvqmax;
1052                         break;
1053                 }
1054         }
1055
1056         New->nping = Instance->Time() + New->pingmax + Instance->Config->dns_timeout;
1057         New->timeout = Instance->Time() + class_regtimeout;
1058         New->flood = class_flood;
1059         New->threshold = class_threshold;
1060         New->sendqmax = class_sqmax;
1061         New->recvqmax = class_rqmax;
1062
1063         Instance->local_users.push_back(New);
1064
1065         if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
1066         {
1067                 Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
1068                 userrec::QuitUser(Instance, New,"No more connections allowed");
1069                 return;
1070         }
1071
1072         /*
1073          * XXX -
1074          * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1075          * its a pretty big but for the moment valid assumption:
1076          * file descriptors are handed out starting at 0, and are recycled as theyre freed.
1077          * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1078          * irc server at once (or the irc server otherwise initiating this many connections, files etc)
1079          * which for the time being is a physical impossibility (even the largest networks dont have more
1080          * than about 10,000 users on ONE server!)
1081          */
1082         if ((unsigned int)socket >= MAX_DESCRIPTORS)
1083         {
1084                 userrec::QuitUser(Instance, New, "Server is full");
1085                 return;
1086         }
1087
1088         New->exempt = (Instance->XLines->matches_exception(New) != NULL);
1089         if (!New->exempt)
1090         {
1091                 ZLine* r = Instance->XLines->matches_zline(ipaddr);
1092                 if (r)
1093                 {
1094                         char reason[MAXBUF];
1095                         snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
1096                         userrec::QuitUser(Instance, New, reason);
1097                         return;
1098                 }
1099         }
1100
1101         if (socket > -1)
1102         {
1103                 if (!Instance->SE->AddFd(New))
1104                 {
1105                         userrec::QuitUser(Instance, New, "Internal error handling connection");
1106                         return;
1107                 }
1108         }
1109
1110         /* NOTE: even if dns lookups are *off*, we still need to display this.
1111          * BOPM and other stuff requires it.
1112          */
1113         New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
1114 }
1115
1116 long userrec::GlobalCloneCount()
1117 {
1118         clonemap::iterator x = ServerInstance->global_clones.find(this->GetIPString());
1119         if (x != ServerInstance->global_clones.end())
1120                 return x->second;
1121         else
1122                 return 0;
1123 }
1124
1125 long userrec::LocalCloneCount()
1126 {
1127         clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
1128         if (x != ServerInstance->local_clones.end())
1129                 return x->second;
1130         else
1131                 return 0;
1132 }
1133
1134 void userrec::FullConnect(CullList* Goners)
1135 {
1136         ServerInstance->stats->statsConnects++;
1137         this->idle_lastmsg = ServerInstance->Time();
1138
1139         ConnectClass a = this->GetClass();
1140
1141         if (a.type == CC_DENY)
1142         {
1143                 Goners->AddItem(this,"Unauthorised connection");
1144                 return;
1145         }
1146
1147         if ((*(a.pass.c_str())) && (!this->haspassed))
1148         {
1149                 Goners->AddItem(this,"Invalid password");
1150                 return;
1151         }
1152
1153         if (this->LocalCloneCount() > a.maxlocal)
1154         {
1155                 Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)");
1156                 ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString());
1157                 return;
1158         }
1159         else if (this->GlobalCloneCount() > a.maxglobal)
1160         {
1161                 Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)");
1162                 ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString());
1163                 return;
1164         }
1165
1166         if (!this->exempt)
1167         {
1168                 GLine* r = ServerInstance->XLines->matches_gline(this);
1169
1170                 if (r)
1171                 {
1172                         char reason[MAXBUF];
1173                         snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
1174                         Goners->AddItem(this, reason);
1175                         return;
1176                 }
1177
1178                 KLine* n = ServerInstance->XLines->matches_kline(this);
1179
1180                 if (n)
1181                 {
1182                         char reason[MAXBUF];
1183                         snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
1184                         Goners->AddItem(this, reason);
1185                         return;
1186                 }
1187         }
1188
1189
1190         this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
1191         this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
1192         this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
1193         this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__);
1194         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());
1195
1196         ServerInstance->Config->Send005(this);
1197
1198         this->ShowMOTD();
1199
1200         /*
1201          * fix 3 by brain, move registered = 7 below these so that spurious modes and host
1202          * changes dont go out onto the network and produce 'fake direction'.
1203          */
1204         FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
1205
1206         this->registered = REG_ALL;
1207
1208         FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
1209
1210         ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString());
1211 }
1212
1213 /** userrec::UpdateNick()
1214  * re-allocates a nick in the user_hash after they change nicknames,
1215  * returns a pointer to the new user as it may have moved
1216  */
1217 userrec* userrec::UpdateNickHash(const char* New)
1218 {
1219         try
1220         {
1221                 //user_hash::iterator newnick;
1222                 user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick);
1223
1224                 if (!strcasecmp(this->nick,New))
1225                         return oldnick->second;
1226
1227                 if (oldnick == ServerInstance->clientlist.end())
1228                         return NULL; /* doesnt exist */
1229
1230                 userrec* olduser = oldnick->second;
1231                 ServerInstance->clientlist[New] = olduser;
1232                 ServerInstance->clientlist.erase(oldnick);
1233                 return ServerInstance->clientlist[New];
1234         }
1235
1236         catch (...)
1237         {
1238                 ServerInstance->Log(DEBUG,"Exception in userrec::UpdateNickHash()");
1239                 return NULL;
1240         }
1241 }
1242
1243 bool userrec::ForceNickChange(const char* newnick)
1244 {
1245         try
1246         {
1247                 int MOD_RESULT = 0;
1248
1249                 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1250
1251                 if (MOD_RESULT)
1252                 {
1253                         ServerInstance->stats->statsCollisions++;
1254                         return false;
1255                 }
1256
1257                 if (ServerInstance->XLines->matches_qline(newnick))
1258                 {
1259                         ServerInstance->stats->statsCollisions++;
1260                         return false;
1261                 }
1262
1263                 if (this->registered == REG_ALL)
1264                 {
1265                         const char* pars[1];
1266                         pars[0] = newnick;
1267                         std::string cmd = "NICK";
1268                         return (ServerInstance->Parser->CallHandler(cmd, pars, 1, this) == CMD_SUCCESS);
1269                 }
1270                 return false;
1271         }
1272
1273         catch (...)
1274         {
1275                 ServerInstance->Log(DEBUG,"Exception in userrec::ForceNickChange()");
1276                 return false;
1277         }
1278 }
1279
1280 void userrec::SetSockAddr(int protocol_family, const char* ip, int port)
1281 {
1282         switch (protocol_family)
1283         {
1284 #ifdef SUPPORT_IP6LINKS
1285                 case AF_INET6:
1286                 {
1287                         ServerInstance->Log(DEBUG,"Set inet6 protocol address");
1288                         sockaddr_in6* sin = new sockaddr_in6;
1289                         sin->sin6_family = AF_INET6;
1290                         sin->sin6_port = port;
1291                         inet_pton(AF_INET6, ip, &sin->sin6_addr);
1292                         this->ip = (sockaddr*)sin;
1293                 }
1294                 break;
1295 #endif
1296                 case AF_INET:
1297                 {
1298                         ServerInstance->Log(DEBUG,"Set inet4 protocol address");
1299                         sockaddr_in* sin = new sockaddr_in;
1300                         sin->sin_family = AF_INET;
1301                         sin->sin_port = port;
1302                         inet_pton(AF_INET, ip, &sin->sin_addr);
1303                         this->ip = (sockaddr*)sin;
1304                 }
1305                 break;
1306                 default:
1307                         ServerInstance->Log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1308                 break;
1309         }
1310 }
1311
1312 int userrec::GetPort()
1313 {
1314         if (this->ip == NULL)
1315                 return 0;
1316
1317         switch (this->GetProtocolFamily())
1318         {
1319 #ifdef SUPPORT_IP6LINKS
1320                 case AF_INET6:
1321                 {
1322                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1323                         return sin->sin6_port;
1324                 }
1325                 break;
1326 #endif
1327                 case AF_INET:
1328                 {
1329                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1330                         return sin->sin_port;
1331                 }
1332                 break;
1333                 default:
1334                         ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1335                 break;
1336         }
1337         return 0;
1338 }
1339
1340 int userrec::GetProtocolFamily()
1341 {
1342         if (this->ip == NULL)
1343                 return 0;
1344
1345         sockaddr_in* sin = (sockaddr_in*)this->ip;
1346         return sin->sin_family;
1347 }
1348
1349 const char* userrec::GetIPString()
1350 {
1351         static char buf[1024];
1352
1353         if (this->ip == NULL)
1354                 return "";
1355
1356         switch (this->GetProtocolFamily())
1357         {
1358 #ifdef SUPPORT_IP6LINKS
1359                 case AF_INET6:
1360                 {
1361                         static char temp[1024];
1362
1363                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1364                         inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1365                         /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1366                         if (*buf == ':')
1367                         {
1368                                 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1369                                 *temp = '0';
1370                                 return temp;
1371                         }
1372                         return buf;
1373                 }
1374                 break;
1375 #endif
1376                 case AF_INET:
1377                 {
1378                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1379                         inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1380                         return buf;
1381                 }
1382                 break;
1383                 default:
1384                         ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1385                 break;
1386         }
1387         return "";
1388 }
1389
1390 const char* userrec::GetIPString(char* buf)
1391 {
1392         if (this->ip == NULL)
1393         {
1394                 *buf = 0;
1395                 return buf;
1396         }
1397
1398         switch (this->GetProtocolFamily())
1399         {
1400 #ifdef SUPPORT_IP6LINKS
1401                 case AF_INET6:
1402                 {
1403                         static char temp[1024];
1404
1405                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1406                         inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1407                         /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1408                         if (*buf == ':')
1409                         {
1410                                 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1411                                 *temp = '0';
1412                                 strlcpy(buf, temp, sizeof(temp));
1413                         }
1414                         return buf;
1415                 }
1416                 break;
1417 #endif
1418                 case AF_INET:
1419                 {
1420                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1421                         inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1422                         return buf;
1423                 }
1424                 break;
1425
1426                 default:
1427                         ServerInstance->Log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick);
1428                 break;
1429         }
1430         return "";
1431 }
1432
1433 /** NOTE: We cannot pass a const reference to this method.
1434  * The string is changed by the workings of the method,
1435  * so that if we pass const ref, we end up copying it to
1436  * something we can change anyway. Makes sense to just let
1437  * the compiler do that copy for us.
1438  */
1439 void userrec::Write(std::string text)
1440 {
1441         if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS))
1442                 return;
1443
1444         try
1445         {
1446                 text.append("\r\n");
1447         }
1448         catch (...)
1449         {
1450                 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1451                 return;
1452         }
1453
1454         if (ServerInstance->Config->GetIOHook(this->GetPort()))
1455         {
1456                 try
1457                 {
1458                         ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, text.data(), text.length());
1459                 }
1460                 catch (ModuleException& modexcept)
1461                 {
1462                         ServerInstance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
1463                 }
1464         }
1465         else
1466         {
1467                 this->AddWriteBuf(text);
1468         }
1469         ServerInstance->stats->statsSent += text.length();
1470         this->ServerInstance->SE->WantWrite(this);
1471 }
1472
1473 /** Write()
1474  */
1475 void userrec::Write(const char *text, ...)
1476 {
1477         va_list argsPtr;
1478         char textbuffer[MAXBUF];
1479
1480         va_start(argsPtr, text);
1481         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1482         va_end(argsPtr);
1483
1484         this->Write(std::string(textbuffer));
1485 }
1486
1487 void userrec::WriteServ(const std::string& text)
1488 {
1489         char textbuffer[MAXBUF];
1490
1491         snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1492         this->Write(std::string(textbuffer));
1493 }
1494
1495 /** WriteServ()
1496  *  Same as Write(), except `text' is prefixed with `:server.name '.
1497  */
1498 void userrec::WriteServ(const char* text, ...)
1499 {
1500         va_list argsPtr;
1501         char textbuffer[MAXBUF];
1502
1503         va_start(argsPtr, text);
1504         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1505         va_end(argsPtr);
1506
1507         this->WriteServ(std::string(textbuffer));
1508 }
1509
1510
1511 void userrec::WriteFrom(userrec *user, const std::string &text)
1512 {
1513         char tb[MAXBUF];
1514
1515         snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1516
1517         this->Write(std::string(tb));
1518 }
1519
1520
1521 /* write text from an originating user to originating user */
1522
1523 void userrec::WriteFrom(userrec *user, const char* text, ...)
1524 {
1525         va_list argsPtr;
1526         char textbuffer[MAXBUF];
1527
1528         va_start(argsPtr, text);
1529         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1530         va_end(argsPtr);
1531
1532         this->WriteFrom(user, std::string(textbuffer));
1533 }
1534
1535
1536 /* write text to an destination user from a source user (e.g. user privmsg) */
1537
1538 void userrec::WriteTo(userrec *dest, const char *data, ...)
1539 {
1540         char textbuffer[MAXBUF];
1541         va_list argsPtr;
1542
1543         va_start(argsPtr, data);
1544         vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1545         va_end(argsPtr);
1546
1547         this->WriteTo(dest, std::string(textbuffer));
1548 }
1549
1550 void userrec::WriteTo(userrec *dest, const std::string &data)
1551 {
1552         dest->WriteFrom(this, data);
1553 }
1554
1555
1556 void userrec::WriteCommon(const char* text, ...)
1557 {
1558         char textbuffer[MAXBUF];
1559         va_list argsPtr;
1560
1561         if (this->registered != REG_ALL)
1562                 return;
1563
1564         va_start(argsPtr, text);
1565         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1566         va_end(argsPtr);
1567
1568         this->WriteCommon(std::string(textbuffer));
1569 }
1570
1571 void userrec::WriteCommon(const std::string &text)
1572 {
1573         try
1574         {
1575                 bool sent_to_at_least_one = false;
1576
1577                 if (this->registered != REG_ALL)
1578                         return;
1579
1580                 uniq_id++;
1581
1582                 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1583                 {
1584                         CUList* ulist = v->first->GetUsers();
1585                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1586                         {
1587                                 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1588                                 {
1589                                         already_sent[i->second->fd] = uniq_id;
1590                                         i->second->WriteFrom(this, std::string(text));
1591                                         sent_to_at_least_one = true;
1592                                 }
1593                         }
1594                 }
1595
1596                 /*
1597                  * if the user was not in any channels, no users will receive the text. Make sure the user
1598                  * receives their OWN message for WriteCommon
1599                  */
1600                 if (!sent_to_at_least_one)
1601                 {
1602                         this->WriteFrom(this,std::string(text));
1603                 }
1604         }
1605
1606         catch (...)
1607         {
1608                 ServerInstance->Log(DEBUG,"Exception in userrec::WriteCommon()");
1609         }
1610 }
1611
1612
1613 /* write a formatted string to all users who share at least one common
1614  * channel, NOT including the source user e.g. for use in QUIT
1615  */
1616
1617 void userrec::WriteCommonExcept(const char* text, ...)
1618 {
1619         char textbuffer[MAXBUF];
1620         va_list argsPtr;
1621
1622         va_start(argsPtr, text);
1623         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1624         va_end(argsPtr);
1625
1626         this->WriteCommonExcept(std::string(textbuffer));
1627 }
1628
1629 void userrec::WriteCommonExcept(const std::string &text)
1630 {
1631         bool quit_munge = false;
1632         char oper_quit[MAXBUF];
1633         char textbuffer[MAXBUF];
1634
1635         strlcpy(textbuffer, text.c_str(), MAXBUF);
1636
1637         if (this->registered != REG_ALL)
1638                 return;
1639
1640         uniq_id++;
1641
1642         /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
1643          * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
1644          * can go byebye.
1645          */
1646         if (ServerInstance->Config->HideSplits)
1647         {
1648                 char* check = textbuffer + 6;
1649
1650                 if (!strncasecmp(textbuffer, "QUIT :",6))
1651                 {
1652                         std::stringstream split(check);
1653                         std::string server_one;
1654                         std::string server_two;
1655
1656                         split >> server_one;
1657                         split >> server_two;
1658
1659                         if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
1660                         {
1661                                 strlcpy(oper_quit,textbuffer,MAXQUIT);
1662                                 strlcpy(check,"*.net *.split",MAXQUIT);
1663                                 quit_munge = true;
1664                         }
1665                 }
1666         }
1667
1668         if ((ServerInstance->Config->HideBans) && (!quit_munge))
1669         {
1670                 if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
1671                 || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
1672                 {
1673                         char* check = textbuffer + 13;
1674                         strlcpy(oper_quit,textbuffer,MAXQUIT);
1675                         *check = 0;  // We don't need to strlcpy, we just chop it from the :
1676                         quit_munge = true;
1677                 }
1678         }
1679
1680         for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1681         {
1682                 CUList *ulist = v->first->GetUsers();
1683                 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1684                 {
1685                         if (this != i->second)
1686                         {
1687                                 if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
1688                                 {
1689                                         already_sent[i->second->fd] = uniq_id;
1690                                         if (quit_munge)
1691                                                 i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer));
1692                                         else
1693                                                 i->second->WriteFrom(this, std::string(textbuffer));
1694                                 }
1695                         }
1696                 }
1697         }
1698
1699 }
1700
1701 void userrec::WriteWallOps(const std::string &text)
1702 {
1703         /* Does nothing if theyre not opered */
1704         if ((!*this->oper) && (IS_LOCAL(this)))
1705                 return;
1706
1707         std::string wallop = "WALLOPS :";
1708
1709         try
1710         {
1711                 wallop.append(text);
1712         }
1713         catch (...)
1714         {
1715                 ServerInstance->Log(DEBUG,"Exception in userrec::Write() std::string::append");
1716                 return;
1717         }
1718
1719         for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1720         {
1721                 userrec* t = *i;
1722                 if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS]))
1723                         this->WriteTo(t,wallop);
1724         }
1725 }
1726
1727 void userrec::WriteWallOps(const char* text, ...)
1728 {
1729         char textbuffer[MAXBUF];
1730         va_list argsPtr;
1731
1732         va_start(argsPtr, text);
1733         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1734         va_end(argsPtr);
1735
1736         this->WriteWallOps(std::string(textbuffer));
1737 }
1738
1739 /* return 0 or 1 depending if users u and u2 share one or more common channels
1740  * (used by QUIT, NICK etc which arent channel specific notices)
1741  *
1742  * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1743  * the first users channels then the second users channels within the outer loop,
1744  * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1745  * all possible iterations). However this new function instead checks against the
1746  * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
1747  * and saves us time as we already know what pointer value we are after.
1748  * Don't quote me on the maths as i am not a mathematician or computer scientist,
1749  * but i believe this algorithm is now x+(log y) maximum iterations instead.
1750  */
1751 bool userrec::SharesChannelWith(userrec *other)
1752 {
1753         if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1754                 return false;
1755
1756         /* Outer loop */
1757         for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1758         {
1759                 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1760                  * by replacing it with a map::find which *should* be more efficient
1761                  */
1762                 if (i->first->HasUser(other))
1763                         return true;
1764         }
1765         return false;
1766 }
1767
1768 int userrec::CountChannels()
1769 {
1770         return ChannelCount;
1771 }
1772
1773 void userrec::ModChannelCount(int n)
1774 {
1775         ChannelCount += n;
1776 }
1777
1778 bool userrec::ChangeName(const char* gecos)
1779 {
1780         if (!strcmp(gecos, this->fullname))
1781                 return true;
1782
1783         if (IS_LOCAL(this))
1784         {
1785                 int MOD_RESULT = 0;
1786                 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1787                 if (MOD_RESULT)
1788                         return false;
1789                 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1790         }
1791         strlcpy(this->fullname,gecos,MAXGECOS+1);
1792         return true;
1793 }
1794
1795 bool userrec::ChangeDisplayedHost(const char* host)
1796 {
1797         if (!strcmp(host, this->dhost))
1798                 return true;
1799
1800         if (IS_LOCAL(this))
1801         {
1802                 int MOD_RESULT = 0;
1803                 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host));
1804                 if (MOD_RESULT)
1805                         return false;
1806                 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host));
1807         }
1808         if (this->ServerInstance->Config->CycleHosts)
1809                 this->WriteCommonExcept("QUIT :Changing hosts");
1810
1811         /* Fix by Om: userrec::dhost is 65 long, this was truncating some long hosts */
1812         strlcpy(this->dhost,host,64);
1813
1814         if (this->ServerInstance->Config->CycleHosts)
1815         {
1816                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1817                 {
1818                         i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1819                         std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1820                         if (n.length() > 0)
1821                                 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1822                 }
1823         }
1824
1825         if (IS_LOCAL(this))
1826                 this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
1827
1828         return true;
1829 }
1830
1831 bool userrec::ChangeIdent(const char* newident)
1832 {
1833         if (!strcmp(newident, this->ident))
1834                 return true;
1835
1836         if (this->ServerInstance->Config->CycleHosts)
1837                 this->WriteCommonExcept("%s","QUIT :Changing ident");
1838
1839         strlcpy(this->ident, newident, IDENTMAX+2);
1840
1841         if (this->ServerInstance->Config->CycleHosts)
1842         {
1843                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1844                 {
1845                         i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1846                         std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1847                         if (n.length() > 0)
1848                                 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1849                 }
1850         }
1851
1852         return true;
1853 }
1854
1855 void userrec::NoticeAll(char* text, ...)
1856 {
1857         char textbuffer[MAXBUF];
1858         char formatbuffer[MAXBUF];
1859         va_list argsPtr;
1860
1861         va_start(argsPtr, text);
1862         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1863         va_end(argsPtr);
1864
1865         snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer);
1866
1867         for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
1868         {
1869                 userrec* t = *i;
1870                 t->WriteFrom(this, std::string(formatbuffer));
1871         }
1872 }
1873
1874
1875 std::string userrec::ChannelList(userrec* source)
1876 {
1877         try
1878         {
1879                 std::string list;
1880                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1881                 {
1882                         /* If the target is the same as the sender, let them see all their channels.
1883                          * If the channel is NOT private/secret OR the user shares a common channel
1884                          * If the user is an oper, and the <options:operspywhois> option is set.
1885                          */
1886                         if ((source == this) || (*source->oper && ServerInstance->Config->OperSpyWhois) || (((!i->first->modes[CM_PRIVATE]) && (!i->first->modes[CM_SECRET])) || (i->first->HasUser(source))))
1887                         {
1888                                 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1889                         }
1890                 }
1891                 return list;
1892         }
1893         catch (...)
1894         {
1895                 ServerInstance->Log(DEBUG,"Exception in userrec::ChannelList()");
1896                 return "";
1897         }
1898 }
1899
1900 void userrec::SplitChanList(userrec* dest, const std::string &cl)
1901 {
1902         std::string line;
1903         std::ostringstream prefix;
1904         std::string::size_type start, pos, length;
1905
1906         try
1907         {
1908                 prefix << this->nick << " " << dest->nick << " :";
1909                 line = prefix.str();
1910                 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1911
1912                 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1913                 {
1914                         length = (pos == std::string::npos) ? cl.length() : pos;
1915
1916                         if (line.length() + namelen + length - start > 510)
1917                         {
1918                                 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1919                                 line = prefix.str();
1920                         }
1921
1922                         if(pos == std::string::npos)
1923                         {
1924                                 line.append(cl.substr(start, length - start));
1925                                 break;
1926                         }
1927                         else
1928                         {
1929                                 line.append(cl.substr(start, length - start + 1));
1930                         }
1931                 }
1932
1933                 if (line.length())
1934                 {
1935                         ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1936                 }
1937         }
1938
1939         catch (...)
1940         {
1941                 ServerInstance->Log(DEBUG,"Exception in userrec::SplitChanList()");
1942         }
1943 }
1944
1945
1946 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1947  * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1948  * then their ip will be taken as 'priority' anyway, so for example,
1949  * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1950  */
1951 ConnectClass& userrec::GetClass()
1952 {
1953         for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1954         {
1955                 if ((match(this->GetIPString(),i->host.c_str(),true)) || (match(this->host,i->host.c_str())))
1956                         return *i;
1957         }
1958
1959         return *(ServerInstance->Config->Classes.begin());
1960 }
1961
1962 void userrec::PurgeEmptyChannels()
1963 {
1964         std::vector<chanrec*> to_delete;
1965
1966         // firstly decrement the count on each channel
1967         for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1968         {
1969                 f->first->RemoveAllPrefixes(this);
1970                 if (f->first->DelUser(this) == 0)
1971                 {
1972                         /* No users left in here, mark it for deletion */
1973                         try
1974                         {
1975                                 to_delete.push_back(f->first);
1976                         }
1977                         catch (...)
1978                         {
1979                                 ServerInstance->Log(DEBUG,"Exception in userrec::PurgeEmptyChannels to_delete.push_back()");
1980                         }
1981                 }
1982         }
1983
1984         for (std::vector<chanrec*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1985         {
1986                 chanrec* thischan = *n;
1987                 chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name);
1988                 if (i2 != ServerInstance->chanlist.end())
1989                 {
1990                         FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1991                         DELETE(i2->second);
1992                         ServerInstance->chanlist.erase(i2);
1993                 }
1994         }
1995
1996         this->UnOper();
1997 }
1998
1999 void userrec::ShowMOTD()
2000 {
2001         if (!ServerInstance->Config->MOTD.size())
2002         {
2003                 this->WriteServ("422 %s :Message of the day file is missing.",this->nick);
2004                 return;
2005         }
2006         this->WriteServ("375 %s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
2007
2008         for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
2009                 this->WriteServ("372 %s :- %s",this->nick,i->c_str());
2010
2011         this->WriteServ("376 %s :End of message of the day.", this->nick);
2012 }
2013
2014 void userrec::ShowRULES()
2015 {
2016         if (!ServerInstance->Config->RULES.size())
2017         {
2018                 this->WriteServ("NOTICE %s :Rules file is missing.",this->nick);
2019                 return;
2020         }
2021         this->WriteServ("NOTICE %s :%s rules",this->nick,ServerInstance->Config->ServerName);
2022
2023         for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
2024                 this->WriteServ("NOTICE %s :%s",this->nick,i->c_str());
2025
2026         this->WriteServ("NOTICE %s :End of %s rules.",this->nick,ServerInstance->Config->ServerName);
2027 }
2028
2029 void userrec::HandleEvent(EventType et, int errornum)
2030 {
2031         /* WARNING: May delete this user! */
2032         try
2033         {
2034                 switch (et)
2035                 {
2036                         case EVENT_READ:
2037                                 ServerInstance->ProcessUser(this);
2038
2039                         break;
2040                         case EVENT_WRITE:
2041                                 this->FlushWriteBuf();
2042                         break;
2043                         case EVENT_ERROR:
2044                                 /** This should be safe, but dont DARE do anything after it -- Brain */
2045                                 this->SetWriteError(errornum ? strerror(errornum) : "EOF from client");
2046                         break;
2047                 }
2048         }
2049         catch (...)
2050         {
2051                 ServerInstance->Log(DEBUG,"Exception in userrec::HandleEvent intercepted");
2052         }
2053
2054         /* If the user has raised an error whilst being processed, quit them now we're safe to */
2055         if (!WriteError.empty())
2056                 userrec::QuitUser(ServerInstance, this, GetWriteError());
2057 }
2058