src/users.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core */
  15
  16 #include "inspircd.h"
  17 #include <stdarg.h>
  18 #include "socketengine.h"
  19 #include "xline.h"
  20 #include "bancache.h"
  21 #include "commands/cmd_whowas.h"
  22
  23 /* XXX: Used for speeding up WriteCommon operations */
  24 unsigned long uniq_id = 1;
  25
  26 static unsigned long* already_sent = NULL;
  27
  28
  29 void InitializeAlreadySent(SocketEngine* SE)
  30 {
  31         already_sent = new unsigned long[SE->GetMaxFds()];
  32         memset(already_sent, 0, SE->GetMaxFds() * sizeof(unsigned long));
  33 }
  34
  35
  36 std::string User::ProcessNoticeMasks(const char *sm)
  37 {
  38         bool adding = true, oldadding = false;
  39         const char *c = sm;
  40         std::string output;
  41
  42         while (c && *c)
  43         {
  44                 switch (*c)
  45                 {
  46                         case '+':
  47                                 adding = true;
  48                         break;
  49                         case '-':
  50                                 adding = false;
  51                         break;
  52                         case '*':
  53                                 for (unsigned char d = 'A'; d <= 'z'; d++)
  54                                 {
  55                                         if (ServerInstance->SNO->IsEnabled(d))
  56                                         {
  57                                                 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
  58                                                 {
  59                                                         if ((oldadding != adding) || (!output.length()))
  60                                                                 output += (adding ? '+' : '-');
  61
  62                                                         this->SetNoticeMask(d, adding);
  63
  64                                                         output += d;
  65                                                 }
  66                                         }
  67                                         oldadding = adding;
  68                                 }
  69                         break;
  70                         default:
  71                                 if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c)))
  72                                 {
  73                                         if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
  74                                         {
  75                                                 if ((oldadding != adding) || (!output.length()))
  76                                                         output += (adding ? '+' : '-');
  77
  78                                                 this->SetNoticeMask(*c, adding);
  79
  80                                                 output += *c;
  81                                         }
  82                                 }
  83                                 else
  84                                         this->WriteNumeric(ERR_UNKNOWNSNOMASK, "%s %c :is unknown snomask char to me", this->nick.c_str(), *c);
  85
  86                                 oldadding = adding;
  87                         break;
  88                 }
  89
  90                 *c++;
  91         }
  92
  93         return output;
  94 }
  95
  96 void User::StartDNSLookup()
  97 {
  98         try
  99         {
 100                 bool cached = false;
 101                 const char* sip = this->GetIPString(false);
 102                 UserResolver *res_reverse;
 103
 104                 /* Special case for 4in6 (Have i mentioned i HATE 4in6?) */
 105                 if (!strncmp(sip, "0::ffff:", 8))
 106                         res_reverse = new UserResolver(this->ServerInstance, this, sip + 8, DNS_QUERY_PTR4, cached);
 107                 else
 108                         res_reverse = new UserResolver(this->ServerInstance, this, sip, this->GetProtocolFamily() == AF_INET ? DNS_QUERY_PTR4 : DNS_QUERY_PTR6, cached);
 109
 110                 this->ServerInstance->AddResolver(res_reverse, cached);
 111         }
 112         catch (CoreException& e)
 113         {
 114                 ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason());
 115         }
 116 }
 117
 118 bool User::IsNoticeMaskSet(unsigned char sm)
 119 {
 120         if (!isalpha(sm))
 121                 return false;
 122         return (snomasks[sm-65]);
 123 }
 124
 125 void User::SetNoticeMask(unsigned char sm, bool value)
 126 {
 127         if (!isalpha(sm))
 128                 return;
 129         snomasks[sm-65] = value;
 130 }
 131
 132 const char* User::FormatNoticeMasks()
 133 {
 134         static char data[MAXBUF];
 135         int offset = 0;
 136
 137         for (int n = 0; n < 64; n++)
 138         {
 139                 if (snomasks[n])
 140                         data[offset++] = n+65;
 141         }
 142
 143         data[offset] = 0;
 144         return data;
 145 }
 146
 147 bool User::IsModeSet(unsigned char m)
 148 {
 149         if (!isalpha(m))
 150                 return false;
 151         return (modes[m-65]);
 152 }
 153
 154 void User::SetMode(unsigned char m, bool value)
 155 {
 156         if (!isalpha(m))
 157                 return;
 158         modes[m-65] = value;
 159 }
 160
 161 const char* User::FormatModes(bool showparameters)
 162 {
 163         static char data[MAXBUF];
 164         std::string params;
 165         int offset = 0;
 166
 167         for (unsigned char n = 0; n < 64; n++)
 168         {
 169                 if (modes[n])
 170                 {
 171                         data[offset++] = n + 65;
 172                         ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
 173                         if (showparameters && mh && mh->GetNumParams(true))
 174                         {
 175                                 std::string p = mh->GetUserParameter(this);
 176                                 if (p.length())
 177                                         params.append(" ").append(p);
 178                         }
 179                 }
 180         }
 181         data[offset] = 0;
 182         strlcat(data, params.c_str(), MAXBUF);
 183         return data;
 184 }
 185
 186 void User::DecrementModes()
 187 {
 188         ServerInstance->Logs->Log("USERS", DEBUG, "DecrementModes()");
 189         for (unsigned char n = 'A'; n <= 'z'; n++)
 190         {
 191                 if (modes[n-65])
 192                 {
 193                         ServerInstance->Logs->Log("USERS", DEBUG,"DecrementModes() found mode %c", n);
 194                         ModeHandler* mh = ServerInstance->Modes->FindMode(n, MODETYPE_USER);
 195                         if (mh)
 196                         {
 197                                 ServerInstance->Logs->Log("USERS", DEBUG,"Found handler %c and call ChangeCount", n);
 198                                 mh->ChangeCount(-1);
 199                         }
 200                 }
 201         }
 202 }
 203
 204 User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance)
 205 {
 206         server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
 207         reset_due = ServerInstance->Time();
 208         age = ServerInstance->Time();
 209         Penalty = 0;
 210         lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
 211         bytes_in = bytes_out = cmds_in = cmds_out = 0;
 212         quietquit = OverPenalty = ExemptFromPenalty = quitting = exempt = haspassed = dns_done = false;
 213         fd = -1;
 214         recvq.clear();
 215         sendq.clear();
 216         Visibility = NULL;
 217         ip = NULL;
 218         MyClass = NULL;
 219         AllowedPrivs = AllowedOperCommands = NULL;
 220         chans.clear();
 221         invites.clear();
 222
 223         if (uid.empty())
 224                 uuid.assign(Instance->GetUID(), 0, UUID_LENGTH - 1);
 225         else
 226                 uuid.assign(uid, 0, UUID_LENGTH - 1);
 227
 228         ServerInstance->Logs->Log("USERS", DEBUG,"New UUID for user: %s (%s)", uuid.c_str(), uid.empty() ? "allocated new" : "used remote");
 229
 230         user_hash::iterator finduuid = Instance->Users->uuidlist->find(uuid);
 231         if (finduuid == Instance->Users->uuidlist->end())
 232                 (*Instance->Users->uuidlist)[uuid] = this;
 233         else
 234                 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
 235 }
 236
 237 User::~User()
 238 {
 239         /* NULL for remote users :) */
 240         if (this->MyClass)
 241         {
 242                 this->MyClass->RefCount--;
 243                 ServerInstance->Logs->Log("USERS", DEBUG, "User destructor -- connect refcount now: %lu", this->MyClass->RefCount);
 244         }
 245
 246         if (this->AllowedOperCommands)
 247         {
 248                 delete AllowedOperCommands;
 249                 AllowedOperCommands = NULL;
 250         }
 251
 252         if (this->AllowedPrivs)
 253         {
 254                 delete AllowedPrivs;
 255                 AllowedPrivs = NULL;
 256         }
 257
 258         this->InvalidateCache();
 259         this->DecrementModes();
 260
 261         if (ip)
 262         {
 263                 ServerInstance->Users->RemoveCloneCounts(this);
 264
 265                 if (this->GetProtocolFamily() == AF_INET)
 266                 {
 267                         delete (sockaddr_in*)ip;
 268                 }
 269 #ifdef SUPPORT_IP6LINKS
 270                 else
 271                 {
 272                         delete (sockaddr_in6*)ip;
 273                 }
 274 #endif
 275         }
 276
 277         ServerInstance->Users->uuidlist->erase(uuid);
 278 }
 279
 280 const std::string& User::MakeHost()
 281 {
 282         if (!this->cached_makehost.empty())
 283                 return this->cached_makehost;
 284
 285         char nhost[MAXBUF];
 286         /* This is much faster than snprintf */
 287         char* t = nhost;
 288         for(const char* n = ident.c_str(); *n; n++)
 289                 *t++ = *n;
 290         *t++ = '@';
 291         for(const char* n = host.c_str(); *n; n++)
 292                 *t++ = *n;
 293         *t = 0;
 294
 295         this->cached_makehost.assign(nhost);
 296
 297         return this->cached_makehost;
 298 }
 299
 300 const std::string& User::MakeHostIP()
 301 {
 302         if (!this->cached_hostip.empty())
 303                 return this->cached_hostip;
 304
 305         char ihost[MAXBUF];
 306         /* This is much faster than snprintf */
 307         char* t = ihost;
 308         for(const char* n = ident.c_str(); *n; n++)
 309                 *t++ = *n;
 310         *t++ = '@';
 311         for(const char* n = this->GetIPString(); *n; n++)
 312                 *t++ = *n;
 313         *t = 0;
 314
 315         this->cached_hostip = ihost;
 316
 317         return this->cached_hostip;
 318 }
 319
 320 void User::CloseSocket()
 321 {
 322         if (this->fd > -1)
 323         {
 324                 ServerInstance->SE->Shutdown(this, 2);
 325                 ServerInstance->SE->Close(this);
 326         }
 327 }
 328
 329 const std::string& User::GetFullHost()
 330 {
 331         if (!this->cached_fullhost.empty())
 332                 return this->cached_fullhost;
 333
 334         char result[MAXBUF];
 335         char* t = result;
 336         for(const char* n = nick.c_str(); *n; n++)
 337                 *t++ = *n;
 338         *t++ = '!';
 339         for(const char* n = ident.c_str(); *n; n++)
 340                 *t++ = *n;
 341         *t++ = '@';
 342         for(const char* n = dhost.c_str(); *n; n++)
 343                 *t++ = *n;
 344         *t = 0;
 345
 346         this->cached_fullhost = result;
 347
 348         return this->cached_fullhost;
 349 }
 350
 351 char* User::MakeWildHost()
 352 {
 353         static char nresult[MAXBUF];
 354         char* t = nresult;
 355         *t++ = '*';     *t++ = '!';
 356         *t++ = '*';     *t++ = '@';
 357         for(const char* n = dhost.c_str(); *n; n++)
 358                 *t++ = *n;
 359         *t = 0;
 360         return nresult;
 361 }
 362
 363 int User::ReadData(void* buffer, size_t size)
 364 {
 365         if (IS_LOCAL(this))
 366         {
 367 #ifndef WIN32
 368                 return read(this->fd, buffer, size);
 369 #else
 370                 return recv(this->fd, (char*)buffer, size, 0);
 371 #endif
 372         }
 373         else
 374                 return 0;
 375 }
 376
 377
 378 const std::string& User::GetFullRealHost()
 379 {
 380         if (!this->cached_fullrealhost.empty())
 381                 return this->cached_fullrealhost;
 382
 383         char fresult[MAXBUF];
 384         char* t = fresult;
 385         for(const char* n = nick.c_str(); *n; n++)
 386                 *t++ = *n;
 387         *t++ = '!';
 388         for(const char* n = ident.c_str(); *n; n++)
 389                 *t++ = *n;
 390         *t++ = '@';
 391         for(const char* n = host.c_str(); *n; n++)
 392                 *t++ = *n;
 393         *t = 0;
 394
 395         this->cached_fullrealhost = fresult;
 396
 397         return this->cached_fullrealhost;
 398 }
 399
 400 bool User::IsInvited(const irc::string &channel)
 401 {
 402         time_t now = time(NULL);
 403         InvitedList::iterator safei;
 404         for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
 405         {
 406                 if (channel == i->first)
 407                 {
 408                         if (i->second != 0 && now > i->second)
 409                         {
 410                                 /* Expired invite, remove it. */
 411                                 safei = i;
 412                                 --i;
 413                                 invites.erase(safei);
 414                                 continue;
 415                         }
 416                         return true;
 417                 }
 418         }
 419         return false;
 420 }
 421
 422 InvitedList* User::GetInviteList()
 423 {
 424         time_t now = time(NULL);
 425         /* Weed out expired invites here. */
 426         InvitedList::iterator safei;
 427         for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
 428         {
 429                 if (i->second != 0 && now > i->second)
 430                 {
 431                         /* Expired invite, remove it. */
 432                         safei = i;
 433                         --i;
 434                         invites.erase(safei);
 435                 }
 436         }
 437         return &invites;
 438 }
 439
 440 void User::InviteTo(const irc::string &channel, time_t invtimeout)
 441 {
 442         time_t now = time(NULL);
 443         if (invtimeout != 0 && now > invtimeout) return; /* Don't add invites that are expired from the get-go. */
 444         for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
 445         {
 446                 if (channel == i->first)
 447                 {
 448                         if (i->second != 0 && invtimeout > i->second)
 449                         {
 450                                 i->second = invtimeout;
 451                         }
 452
 453                         return;
 454                 }
 455         }
 456         invites.push_back(std::make_pair(channel, invtimeout));
 457 }
 458
 459 void User::RemoveInvite(const irc::string &channel)
 460 {
 461         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 462         {
 463                 if (channel == i->first)
 464                 {
 465                         invites.erase(i);
 466                         return;
 467                 }
 468         }
 469 }
 470
 471 bool User::HasModePermission(unsigned char mode, ModeType type)
 472 {
 473         if (!IS_LOCAL(this))
 474                 return true;
 475
 476         if (!IS_OPER(this))
 477                 return false;
 478
 479         if (mode < 'A' || mode > ('A' + 64)) return false;
 480
 481         return ((type == MODETYPE_USER ? AllowedUserModes : AllowedChanModes))[(mode - 'A')];
 482
 483 }
 484
 485 bool User::HasPermission(const std::string &command)
 486 {
 487         /*
 488          * users on remote servers can completely bypass all permissions based checks.
 489          * This prevents desyncs when one server has different type/class tags to another.
 490          * That having been said, this does open things up to the possibility of source changes
 491          * allowing remote kills, etc - but if they have access to the src, they most likely have
 492          * access to the conf - so it's an end to a means either way.
 493          */
 494         if (!IS_LOCAL(this))
 495                 return true;
 496
 497         // are they even an oper at all?
 498         if (!IS_OPER(this))
 499         {
 500                 return false;
 501         }
 502
 503         if (!AllowedOperCommands)
 504                 return false;
 505
 506         if (AllowedOperCommands->find(command) != AllowedOperCommands->end())
 507                 return true;
 508         else if (AllowedOperCommands->find("*") != AllowedOperCommands->end())
 509                 return true;
 510
 511         return false;
 512 }
 513
 514
 515 bool User::HasPrivPermission(const std::string &privstr, bool noisy)
 516 {
 517         ServerInstance->Logs->Log("PRIVS", DEBUG, "Checking if I have " + privstr);
 518         if (!IS_LOCAL(this))
 519         {
 520                 ServerInstance->Logs->Log("PRIVS", DEBUG, "Remote (yes)");
 521                 return true;
 522         }
 523
 524         if (!IS_OPER(this))
 525         {
 526                 if (noisy)
 527                         this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str());
 528                 ServerInstance->Logs->Log("PRIVS", DEBUG, "Not oper (no)");
 529                 return false;
 530         }
 531
 532         if (!AllowedPrivs)
 533         {
 534                 if (noisy)
 535                         this->WriteServ("NOTICE %s :Privset empty(!?)", this->nick.c_str());
 536                 ServerInstance->Logs->Log("PRIVS", DEBUG, "No privs(?) (no)");
 537                 return false;
 538         }
 539
 540         if (AllowedPrivs->find(privstr) != AllowedPrivs->end())
 541         {
 542                 ServerInstance->Logs->Log("PRIVS", DEBUG, "I do have it.");
 543                 return true;
 544         }
 545         else if (AllowedPrivs->find("*") != AllowedPrivs->end())
 546         {
 547                 ServerInstance->Logs->Log("PRIVS", DEBUG, "I allow all.");
 548                 return true;
 549         }
 550
 551         if (noisy)
 552                 this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), this->oper.c_str(), privstr.c_str());
 553         ServerInstance->Logs->Log("PRIVS", DEBUG, "I don't have it...");
 554         return false;
 555 }
 556
 557 bool User::AddBuffer(const std::string &a)
 558 {
 559         std::string::size_type start = 0;
 560         std::string::size_type i = a.find('\r');
 561
 562         /*
 563          * The old implementation here took a copy, and rfind() on \r, removing as it found them, before
 564          * copying a second time onto the recvq. That's ok, but involves three copies minimum (recv() to buffer,
 565          * buffer to here, here to recvq) - The new method now copies twice (recv() to buffer, buffer to recvq).
 566          *
 567          * We use find() instead of rfind() for clarity, however unlike the old code, our scanning of the string is
 568          * contiguous: as we specify a startpoint, we never see characters we have scanned previously, making this
 569          * marginally faster in cases with a number of \r hidden early on in the buffer.
 570          *
 571          * How it works:
 572          * Start at first pos of string, find first \r, append everything in the chunk (excluding \r) to recvq. Set
 573          * i ahead of the \r, search for next \r, add next chunk to buffer... repeat.
 574          *              -- w00t (7 may, 2008)
 575          */
 576         if (i == std::string::npos)
 577         {
 578                 // no \r that we need to dance around, just add to buffer
 579                 recvq.append(a);
 580         }
 581         else
 582         {
 583                 // While we can find the end of a chunk to add
 584                 while (i != std::string::npos)
 585                 {
 586                         // Append the chunk that we have
 587                         recvq.append(a, start, (i - start));
 588
 589                         // Start looking for the next one
 590                         start = i + 1;
 591                         i = a.find('\r', start);
 592                 }
 593
 594                 if (start != a.length())
 595                 {
 596                         /*
 597                          * This is here to catch a corner case when we get something like:
 598                          * NICK w0
 599                          * 0t\r\nU
 600                          * SER ...
 601                          * in successive calls to us.
 602                          *
 603                          * Without this conditional, the 'U' on the second case will be dropped,
 604                          * which is most *certainly* not the behaviour we want!
 605                          *              -- w00t
 606                          */
 607                         recvq.append(a, start, (a.length() - start));
 608                 }
 609         }
 610
 611         if (this->MyClass && (recvq.length() > this->MyClass->GetRecvqMax()))
 612         {
 613                 ServerInstance->Users->QuitUser(this, "RecvQ exceeded");
 614                 ServerInstance->SNO->WriteToSnoMask('A', "User %s RecvQ of %lu exceeds connect class maximum of %lu",this->nick.c_str(),(unsigned long int)recvq.length(),this->MyClass->GetRecvqMax());
 615                 return false;
 616         }
 617
 618         return true;
 619 }
 620
 621 bool User::BufferIsReady()
 622 {
 623         return (recvq.find('\n') != std::string::npos);
 624 }
 625
 626 void User::ClearBuffer()
 627 {
 628         recvq.clear();
 629 }
 630
 631 std::string User::GetBuffer()
 632 {
 633         try
 634         {
 635                 if (recvq.empty())
 636                         return "";
 637
 638                 /* Strip any leading \r or \n off the string.
 639                  * Usually there are only one or two of these,
 640                  * so its is computationally cheap to do.
 641                  */
 642                 std::string::iterator t = recvq.begin();
 643                 while (t != recvq.end() && (*t == '\r' || *t == '\n'))
 644                 {
 645                         recvq.erase(t);
 646                         t = recvq.begin();
 647                 }
 648
 649                 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
 650                 {
 651                         /* Find the first complete line, return it as the
 652                          * result, and leave the recvq as whats left
 653                          */
 654                         if (*x == '\n')
 655                         {
 656                                 std::string ret = std::string(recvq.begin(), x);
 657                                 recvq.erase(recvq.begin(), x + 1);
 658                                 return ret;
 659                         }
 660                 }
 661                 return "";
 662         }
 663
 664         catch (...)
 665         {
 666                 ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::GetBuffer()");
 667                 return "";
 668         }
 669 }
 670
 671 void User::AddWriteBuf(const std::string &data)
 672 {
 673         if (this->quitting)
 674                 return;
 675
 676         if (this->MyClass && (sendq.length() + data.length() > this->MyClass->GetSendqMax()))
 677         {
 678                 /*
 679                  * Fix by brain - Set the error text BEFORE calling, because
 680                  * if we dont it'll recursively  call here over and over again trying
 681                  * to repeatedly add the text to the sendq!
 682                  */
 683                 ServerInstance->Users->QuitUser(this, "SendQ exceeded");
 684                 ServerInstance->SNO->WriteToSnoMask('A', "User %s SendQ of %lu exceeds connect class maximum of %lu",this->nick.c_str(),(unsigned long int)sendq.length() + data.length(),this->MyClass->GetSendqMax());
 685                 return;
 686         }
 687
 688         if (data.length() > MAXBUF - 2) /* MAXBUF has a value of 514, to account for line terminators */
 689                 sendq.append(data.substr(0,MAXBUF - 4)).append("\r\n"); /* MAXBUF-4 = 510 */
 690         else
 691                 sendq.append(data);
 692 }
 693
 694 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
 695 void User::FlushWriteBuf()
 696 {
 697         if (this->fd == FD_MAGIC_NUMBER)
 698         {
 699                 sendq.clear();
 700                 return;
 701         }
 702
 703         if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
 704         {
 705                 int old_sendq_length = sendq.length();
 706                 int n_sent = ServerInstance->SE->Send(this, this->sendq.data(), this->sendq.length(), 0);
 707
 708                 if (n_sent == -1)
 709                 {
 710                         if (errno == EAGAIN)
 711                         {
 712                                 /* The socket buffer is full. This isnt fatal,
 713                                  * try again later.
 714                                  */
 715                                 ServerInstance->SE->WantWrite(this);
 716                         }
 717                         else
 718                         {
 719                                 /* Fatal error, set write error and bail */
 720                                 ServerInstance->Users->QuitUser(this, errno ? strerror(errno) : "Write error");
 721                                 return;
 722                         }
 723                 }
 724                 else
 725                 {
 726                         /* advance the queue */
 727                         if (n_sent)
 728                                 this->sendq = this->sendq.substr(n_sent);
 729                         /* update the user's stats counters */
 730                         this->bytes_out += n_sent;
 731                         this->cmds_out++;
 732                         if (n_sent != old_sendq_length)
 733                                 this->ServerInstance->SE->WantWrite(this);
 734                 }
 735         }
 736
 737         /* note: NOT else if! */
 738         if (this->sendq.empty())
 739         {
 740                 FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
 741         }
 742 }
 743
 744 void User::Oper(const std::string &opertype, const std::string &opername)
 745 {
 746         if (this->IsModeSet('o'))
 747                 this->UnOper();
 748
 749         this->modes[UM_OPERATOR] = 1;
 750         this->WriteServ("MODE %s :+o", this->nick.c_str());
 751         FOREACH_MOD(I_OnOper, OnOper(this, opertype));
 752
 753         ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')", this->nick.c_str(), this->ident.c_str(), this->host.c_str(), irc::Spacify(opertype.c_str()), opername.c_str());
 754         this->WriteNumeric(381, "%s :You are now %s %s", this->nick.c_str(), strchr("aeiouAEIOU", *opertype.c_str()) ? "an" : "a", irc::Spacify(opertype.c_str()));
 755
 756         ServerInstance->Logs->Log("OPER", DEFAULT, "%s!%s@%s opered as type: %s", this->nick.c_str(), this->ident.c_str(), this->host.c_str(), opertype.c_str());
 757         this->oper.assign(opertype, 0, 512);
 758         ServerInstance->Users->all_opers.push_back(this);
 759
 760         opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper.c_str());
 761         if (iter_opertype != ServerInstance->Config->opertypes.end())
 762         {
 763                 if (AllowedOperCommands)
 764                         AllowedOperCommands->clear();
 765                 else
 766                         AllowedOperCommands = new std::set<std::string>;
 767
 768                 if (AllowedPrivs)
 769                         AllowedPrivs->clear();
 770                 else
 771                         AllowedPrivs = new std::set<std::string>;
 772
 773                 AllowedUserModes.reset();
 774                 AllowedChanModes.reset();
 775                 this->AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
 776
 777                 std::string myclass, mycmd, mypriv;
 778                 irc::spacesepstream Classes(iter_opertype->second);
 779                 while (Classes.GetToken(myclass))
 780                 {
 781                         operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass.c_str());
 782                         if (iter_operclass != ServerInstance->Config->operclass.end())
 783                         {
 784                                 /* Process commands */
 785                                 irc::spacesepstream CommandList(iter_operclass->second.commandlist);
 786                                 while (CommandList.GetToken(mycmd))
 787                                 {
 788                                         this->AllowedOperCommands->insert(mycmd);
 789                                 }
 790
 791                                 irc::spacesepstream PrivList(iter_operclass->second.privs);
 792                                 while (PrivList.GetToken(mypriv))
 793                                 {
 794                                         this->AllowedPrivs->insert(mypriv);
 795                                 }
 796
 797                                 for (unsigned char* c = (unsigned char*)iter_operclass->second.umodelist; *c; ++c)
 798                                 {
 799                                         if (*c == '*')
 800                                         {
 801                                                 this->AllowedUserModes.set();
 802                                         }
 803                                         else
 804                                         {
 805                                                 this->AllowedUserModes[*c - 'A'] = true;
 806                                         }
 807                                 }
 808
 809                                 for (unsigned char* c = (unsigned char*)iter_operclass->second.cmodelist; *c; ++c)
 810                                 {
 811                                         if (*c == '*')
 812                                         {
 813                                                 this->AllowedChanModes.set();
 814                                         }
 815                                         else
 816                                         {
 817                                                 this->AllowedChanModes[*c - 'A'] = true;
 818                                         }
 819                                 }
 820                         }
 821                 }
 822         }
 823
 824         FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype, opername));
 825 }
 826
 827 void User::UnOper()
 828 {
 829         if (IS_OPER(this))
 830         {
 831                 /*
 832                  * unset their oper type (what IS_OPER checks).
 833                  * note, order is important - this must come before modes as -o attempts
 834                  * to call UnOper. -- w00t
 835                  */
 836                 this->oper.clear();
 837
 838                 /* Remove all oper only modes from the user when the deoper - Bug #466*/
 839                 std::string moderemove("-");
 840
 841                 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
 842                 {
 843                         ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
 844                         if (mh && mh->NeedsOper())
 845                                 moderemove += letter;
 846                 }
 847
 848                 std::vector<std::string> parameters;
 849                 parameters.push_back(this->nick);
 850                 parameters.push_back(moderemove);
 851
 852                 ServerInstance->Parser->CallHandler("MODE", parameters, this);
 853
 854                 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
 855                 ServerInstance->Users->all_opers.remove(this);
 856
 857                 if (AllowedOperCommands)
 858                 {
 859                         delete AllowedOperCommands;
 860                         AllowedOperCommands = NULL;
 861                 }
 862
 863                 if (AllowedPrivs)
 864                 {
 865                         delete AllowedPrivs;
 866                         AllowedPrivs = NULL;
 867                 }
 868
 869                 AllowedUserModes.reset();
 870                 AllowedChanModes.reset();
 871         }
 872 }
 873
 874 /* adds or updates an entry in the whowas list */
 875 void User::AddToWhoWas()
 876 {
 877         Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
 878         if (whowas_command)
 879         {
 880                 std::deque<classbase*> params;
 881                 params.push_back(this);
 882                 whowas_command->HandleInternal(WHOWAS_ADD, params);
 883         }
 884 }
 885
 886 /*
 887  * Check class restrictions
 888  */
 889 void User::CheckClass()
 890 {
 891         ConnectClass* a = this->MyClass;
 892
 893         if ((!a) || (a->GetType() == CC_DENY))
 894         {
 895                 ServerInstance->Users->QuitUser(this, "Unauthorised connection");
 896                 return;
 897         }
 898         else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
 899         {
 900                 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
 901                 ServerInstance->SNO->WriteToSnoMask('A', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
 902                 return;
 903         }
 904         else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
 905         {
 906                 ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
 907                 ServerInstance->SNO->WriteToSnoMask('A', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString());
 908                 return;
 909         }
 910
 911         this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
 912 }
 913
 914 bool User::CheckLines(bool doZline)
 915 {
 916         const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL };
 917
 918         if (!this->exempt)
 919         {
 920                 for (int n = 0; check[n]; ++n)
 921                 {
 922                         XLine *r = ServerInstance->XLines->MatchesLine(check[n], this);
 923
 924                         if (r)
 925                         {
 926                                 r->Apply(this);
 927                                 return true;
 928                         }
 929                 }
 930         }
 931
 932         return false;
 933 }
 934
 935 void User::FullConnect()
 936 {
 937         ServerInstance->stats->statsConnects++;
 938         this->idle_lastmsg = ServerInstance->Time();
 939
 940         /*
 941          * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
 942          * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
 943          * may put the user into a totally seperate class with different restrictions! so we *must* check again.
 944          * Don't remove this! -- w00t
 945          */
 946         this->SetClass();
 947
 948         /* Check the password, if one is required by the user's connect class.
 949          * This CANNOT be in CheckClass(), because that is called prior to PASS as well!
 950          */
 951         if (this->MyClass && !this->MyClass->GetPass().empty() && !this->haspassed)
 952         {
 953                 ServerInstance->Users->QuitUser(this, "Invalid password");
 954                 return;
 955         }
 956
 957         if (this->CheckLines())
 958                 return;
 959
 960         this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
 961         this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick.c_str(), ServerInstance->Config->Network, this->nick.c_str(), this->ident.c_str(), this->host.c_str());
 962         this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version InspIRCd-1.2",this->nick.c_str(),ServerInstance->Config->ServerName);
 963         this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
 964         this->WriteNumeric(RPL_SERVERVERSION, "%s %s InspIRCd-1.2 %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName, ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
 965
 966         ServerInstance->Config->Send005(this);
 967         this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
 968
 969
 970         this->ShowMOTD();
 971
 972         /* Now registered */
 973         if (ServerInstance->Users->unregistered_count)
 974                 ServerInstance->Users->unregistered_count--;
 975
 976         /* Trigger LUSERS output, give modules a chance too */
 977         int MOD_RESULT = 0;
 978         std::string command("LUSERS");
 979         std::vector<std::string> parameters;
 980         FOREACH_RESULT(I_OnPreCommand, OnPreCommand(command, parameters, this, true, "LUSERS"));
 981         if (!MOD_RESULT)
 982                 ServerInstance->CallCommandHandler(command, parameters, this);
 983
 984         /*
 985          * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
 986          * for a user that doesn't exist yet.
 987          */
 988         FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
 989
 990         this->registered = REG_ALL;
 991
 992         ServerInstance->PI->Introduce(this);
 993
 994         FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
 995
 996         ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]", this->GetPort(), this->nick.c_str(), this->ident.c_str(), this->host.c_str(), this->GetIPString(), this->fullname.c_str());
 997         ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
 998         ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
 999 }
1000
1001 /** User::UpdateNick()
1002  * re-allocates a nick in the user_hash after they change nicknames,
1003  * returns a pointer to the new user as it may have moved
1004  */
1005 User* User::UpdateNickHash(const char* New)
1006 {
1007         //user_hash::iterator newnick;
1008         user_hash::iterator oldnick = ServerInstance->Users->clientlist->find(this->nick);
1009
1010         if (!irc::string(this->nick.c_str()).compare(New))
1011                 return oldnick->second;
1012
1013         if (oldnick == ServerInstance->Users->clientlist->end())
1014                 return NULL; /* doesnt exist */
1015
1016         User* olduser = oldnick->second;
1017         ServerInstance->Users->clientlist->erase(oldnick);
1018         (*(ServerInstance->Users->clientlist))[New] = olduser;
1019         return olduser;
1020 }
1021
1022 void User::InvalidateCache()
1023 {
1024         /* Invalidate cache */
1025         cached_fullhost.clear();
1026         cached_hostip.clear();
1027         cached_makehost.clear();
1028         cached_fullrealhost.clear();
1029 }
1030
1031 bool User::ForceNickChange(const char* newnick)
1032 {
1033         int MOD_RESULT = 0;
1034
1035         this->InvalidateCache();
1036
1037         FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
1038
1039         if (MOD_RESULT)
1040         {
1041                 ServerInstance->stats->statsCollisions++;
1042                 return false;
1043         }
1044
1045         std::deque<classbase*> dummy;
1046         Command* nickhandler = ServerInstance->Parser->GetHandler("NICK");
1047         if (nickhandler) // wtfbbq, when would this not be here
1048         {
1049                 std::vector<std::string> parameters;
1050                 nickhandler->HandleInternal(1, dummy);
1051                 parameters.push_back(newnick);
1052                 bool result = (ServerInstance->Parser->CallHandler("NICK", parameters, this) == CMD_SUCCESS);
1053                 nickhandler->HandleInternal(0, dummy);
1054                 return result;
1055         }
1056
1057         // Unreachable, we hope
1058         return false;
1059 }
1060
1061 void User::SetSockAddr(int protocol_family, const char* sip, int port)
1062 {
1063         this->cachedip = "";
1064
1065         switch (protocol_family)
1066         {
1067 #ifdef SUPPORT_IP6LINKS
1068                 case AF_INET6:
1069                 {
1070                         sockaddr_in6* sin = new sockaddr_in6;
1071                         sin->sin6_family = AF_INET6;
1072                         sin->sin6_port = port;
1073                         inet_pton(AF_INET6, sip, &sin->sin6_addr);
1074                         this->ip = (sockaddr*)sin;
1075                 }
1076                 break;
1077 #endif
1078                 case AF_INET:
1079                 {
1080                         sockaddr_in* sin = new sockaddr_in;
1081                         sin->sin_family = AF_INET;
1082                         sin->sin_port = port;
1083                         inet_pton(AF_INET, sip, &sin->sin_addr);
1084                         this->ip = (sockaddr*)sin;
1085                 }
1086                 break;
1087                 default:
1088                         ServerInstance->Logs->Log("USERS",DEBUG,"Uh oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick.c_str());
1089                 break;
1090         }
1091 }
1092
1093 int User::GetPort()
1094 {
1095         if (this->ip == NULL)
1096                 return 0;
1097
1098         switch (this->GetProtocolFamily())
1099         {
1100 #ifdef SUPPORT_IP6LINKS
1101                 case AF_INET6:
1102                 {
1103                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1104                         return sin->sin6_port;
1105                 }
1106                 break;
1107 #endif
1108                 case AF_INET:
1109                 {
1110                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1111                         return sin->sin_port;
1112                 }
1113                 break;
1114                 default:
1115                 break;
1116         }
1117         return 0;
1118 }
1119
1120 int User::GetProtocolFamily()
1121 {
1122         if (this->ip == NULL)
1123                 return 0;
1124
1125         sockaddr_in* sin = (sockaddr_in*)this->ip;
1126         return sin->sin_family;
1127 }
1128
1129 const char* User::GetCIDRMask(int range)
1130 {
1131         static char buf[44];
1132
1133         if (this->ip == NULL)
1134                 return "";
1135
1136         if (range < 0)
1137                 throw "Negative range, sorry, no.";
1138
1139         /*
1140          * Original code written by Oliver Lupton (Om).
1141          * Integrated by me. Thanks. :) -- w00t
1142          */
1143         switch (this->GetProtocolFamily())
1144         {
1145 #ifdef SUPPORT_IP6LINKS
1146                 case AF_INET6:
1147                 {
1148                         /* unsigned char s6_addr[16]; */
1149                         struct in6_addr v6;
1150                         sockaddr_in6* sin;
1151                         int i, bytestozero, extrabits;
1152                         char buffer[40];
1153
1154                         if(range > 128)
1155                                 throw "CIDR mask width greater than address width (IPv6, 128 bit)";
1156
1157                         /* Access the user's IP structure directly */
1158                         sin = (sockaddr_in6*)this->ip;
1159
1160                         /* To create the CIDR mask we want to set all the bits after 'range' bits of the address
1161                          * to zero. This means the last (128 - range) bits of the address must be set to zero.
1162                          * Hence this number divided by 8 is the number of whole bytes from the end of the address
1163                          * which must be set to zero.
1164                          */
1165                         bytestozero = (128 - range) / 8;
1166
1167                         /* Some of the least significant bits of the next most significant byte may also have to
1168                          * be zeroed. The number of bits is the remainder of the above division.
1169                          */
1170                         extrabits = (128 - range) % 8;
1171
1172                         /* Populate our working struct with the parts of the user's IP which are required in the
1173                          * final CIDR mask. Set all the subsequent bytes to zero.
1174                          * (16 - bytestozero) is the number of bytes which must be populated with actual IP data.
1175                          */
1176                         for(i = 0; i < (16 - bytestozero); i++)
1177                         {
1178                                 v6.s6_addr[i] = sin->sin6_addr.s6_addr[i];
1179                         }
1180
1181                         /* And zero all the remaining bytes in the IP. */
1182                         for(; i < 16; i++)
1183                         {
1184                                 v6.s6_addr[i] = 0;
1185                         }
1186
1187                         /* And finally, zero the extra bits required. */
1188                         v6.s6_addr[15 - bytestozero] = (v6.s6_addr[15 - bytestozero] >> extrabits) << extrabits;
1189
1190                         snprintf(buf, 44, "%s/%d", inet_ntop(AF_INET6, &v6, buffer, 40), range);
1191                         return buf;
1192                 }
1193                 break;
1194 #endif
1195                 case AF_INET:
1196                 {
1197                         struct in_addr v4;
1198                         sockaddr_in* sin;
1199                         char buffer[16];
1200
1201                         if (range > 32)
1202                                 throw "CIDR mask width greater than address width (IPv4, 32 bit)";
1203
1204                         /* Users already have a sockaddr* pointer (User::ip) which contains either a v4 or v6 structure */
1205                         sin = (sockaddr_in*)this->ip;
1206                         v4.s_addr = sin->sin_addr.s_addr;
1207
1208                         /* To create the CIDR mask we want to set all the bits after 'range' bits of the address
1209                          * to zero. This means the last (32 - range) bits of the address must be set to zero.
1210                          * This is done by shifting the value right and then back left by (32 - range) bits.
1211                          */
1212                         if(range > 0)
1213                         {
1214                                 v4.s_addr = ntohl(v4.s_addr);
1215                                 v4.s_addr = (v4.s_addr >> (32 - range)) << (32 - range);
1216                                 v4.s_addr = htonl(v4.s_addr);
1217                         }
1218                         else
1219                         {
1220                                 /* a range of zero would cause a 32 bit value to be shifted by 32 bits.
1221                                  * this has undefined behaviour, but for CIDR purposes the resulting mask
1222                                  * from a.b.c.d/0 is 0.0.0.0/0
1223                                  */
1224                                 v4.s_addr = 0;
1225                         }
1226
1227                         snprintf(buf, 44, "%s/%d", inet_ntop(AF_INET, &v4, buffer, 16), range);
1228                         return buf;
1229                 }
1230                 break;
1231         }
1232
1233         return ""; // unused, but oh well
1234 }
1235
1236 const char* User::GetIPString(bool translate4in6)
1237 {
1238         static char buf[40];
1239
1240         if (this->ip == NULL)
1241                 return "";
1242
1243         if (!this->cachedip.empty())
1244                 return this->cachedip.c_str();
1245
1246         switch (this->GetProtocolFamily())
1247         {
1248 #ifdef SUPPORT_IP6LINKS
1249                 case AF_INET6:
1250                 {
1251                         static char temp[1024];
1252
1253                         sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1254                         inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1255                         /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1256                         if (*buf == ':')
1257                         {
1258                                 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1259                                 *temp = '0';
1260                                 if (translate4in6 && !strncmp(temp, "0::ffff:", 8))
1261                                 {
1262                                         this->cachedip = temp + 8;
1263                                         return temp + 8;
1264                                 }
1265
1266                                 this->cachedip = temp;
1267                                 return temp;
1268                         }
1269
1270                         this->cachedip = buf;
1271                         return buf;
1272                 }
1273                 break;
1274 #endif
1275                 case AF_INET:
1276                 {
1277                         sockaddr_in* sin = (sockaddr_in*)this->ip;
1278                         inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1279                         this->cachedip = buf;
1280                         return buf;
1281                 }
1282                 break;
1283                 default:
1284                 break;
1285         }
1286
1287         // Unreachable, probably
1288         return "";
1289 }
1290
1291 /** NOTE: We cannot pass a const reference to this method.
1292  * The string is changed by the workings of the method,
1293  * so that if we pass const ref, we end up copying it to
1294  * something we can change anyway. Makes sense to just let
1295  * the compiler do that copy for us.
1296  */
1297 void User::Write(std::string text)
1298 {
1299         if (!ServerInstance->SE->BoundsCheckFd(this))
1300                 return;
1301
1302         try
1303         {
1304                 ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"C[%d] O %s", this->GetFd(), text.c_str());
1305                 text.append("\r\n");
1306         }
1307         catch (...)
1308         {
1309                 ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"Exception in User::Write() std::string::append");
1310                 return;
1311         }
1312
1313         if (this->GetIOHook())
1314         {
1315                 /* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to
1316                  * implement their own buffering mechanisms
1317                  */
1318                 try
1319                 {
1320                         this->GetIOHook()->OnRawSocketWrite(this->fd, text.data(), text.length());
1321                 }
1322                 catch (CoreException& modexcept)
1323                 {
1324                         ServerInstance->Logs->Log("USEROUTPUT", DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
1325                 }
1326         }
1327         else
1328         {
1329                 this->AddWriteBuf(text);
1330         }
1331         ServerInstance->stats->statsSent += text.length();
1332         this->ServerInstance->SE->WantWrite(this);
1333 }
1334
1335 /** Write()
1336  */
1337 void User::Write(const char *text, ...)
1338 {
1339         va_list argsPtr;
1340         char textbuffer[MAXBUF];
1341
1342         va_start(argsPtr, text);
1343         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1344         va_end(argsPtr);
1345
1346         this->Write(std::string(textbuffer));
1347 }
1348
1349 void User::WriteServ(const std::string& text)
1350 {
1351         char textbuffer[MAXBUF];
1352
1353         snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1354         this->Write(std::string(textbuffer));
1355 }
1356
1357 /** WriteServ()
1358  *  Same as Write(), except `text' is prefixed with `:server.name '.
1359  */
1360 void User::WriteServ(const char* text, ...)
1361 {
1362         va_list argsPtr;
1363         char textbuffer[MAXBUF];
1364
1365         va_start(argsPtr, text);
1366         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1367         va_end(argsPtr);
1368
1369         this->WriteServ(std::string(textbuffer));
1370 }
1371
1372
1373 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
1374 {
1375         va_list argsPtr;
1376         char textbuffer[MAXBUF];
1377
1378         va_start(argsPtr, text);
1379         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1380         va_end(argsPtr);
1381
1382         this->WriteNumeric(numeric, std::string(textbuffer));
1383 }
1384
1385 void User::WriteNumeric(unsigned int numeric, const std::string &text)
1386 {
1387         char textbuffer[MAXBUF];
1388         int MOD_RESULT = 0;
1389
1390         FOREACH_RESULT(I_OnNumeric, OnNumeric(this, numeric, text));
1391
1392         if (MOD_RESULT)
1393                 return;
1394
1395         snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName, numeric, text.c_str());
1396         this->Write(std::string(textbuffer));
1397 }
1398
1399 void User::WriteFrom(User *user, const std::string &text)
1400 {
1401         char tb[MAXBUF];
1402
1403         snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str());
1404
1405         this->Write(std::string(tb));
1406 }
1407
1408
1409 /* write text from an originating user to originating user */
1410
1411 void User::WriteFrom(User *user, const char* text, ...)
1412 {
1413         va_list argsPtr;
1414         char textbuffer[MAXBUF];
1415
1416         va_start(argsPtr, text);
1417         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1418         va_end(argsPtr);
1419
1420         this->WriteFrom(user, std::string(textbuffer));
1421 }
1422
1423
1424 /* write text to an destination user from a source user (e.g. user privmsg) */
1425
1426 void User::WriteTo(User *dest, const char *data, ...)
1427 {
1428         char textbuffer[MAXBUF];
1429         va_list argsPtr;
1430
1431         va_start(argsPtr, data);
1432         vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1433         va_end(argsPtr);
1434
1435         this->WriteTo(dest, std::string(textbuffer));
1436 }
1437
1438 void User::WriteTo(User *dest, const std::string &data)
1439 {
1440         dest->WriteFrom(this, data);
1441 }
1442
1443
1444 void User::WriteCommon(const char* text, ...)
1445 {
1446         char textbuffer[MAXBUF];
1447         va_list argsPtr;
1448
1449         if (this->registered != REG_ALL)
1450                 return;
1451
1452         va_start(argsPtr, text);
1453         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1454         va_end(argsPtr);
1455
1456         this->WriteCommon(std::string(textbuffer));
1457 }
1458
1459 void User::WriteCommon(const std::string &text)
1460 {
1461         bool sent_to_at_least_one = false;
1462         char tb[MAXBUF];
1463
1464         if (this->registered != REG_ALL)
1465                 return;
1466
1467         uniq_id++;
1468
1469         if (!already_sent)
1470                 InitializeAlreadySent(ServerInstance->SE);
1471
1472         /* We dont want to be doing this n times, just once */
1473         snprintf(tb,MAXBUF,":%s %s",this->GetFullHost().c_str(),text.c_str());
1474         std::string out = tb;
1475
1476         for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1477         {
1478                 CUList* ulist = v->first->GetUsers();
1479                 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1480                 {
1481                         if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1482                         {
1483                                 already_sent[i->first->fd] = uniq_id;
1484                                 i->first->Write(out);
1485                                 sent_to_at_least_one = true;
1486                         }
1487                 }
1488         }
1489
1490         /*
1491          * if the user was not in any channels, no users will receive the text. Make sure the user
1492          * receives their OWN message for WriteCommon
1493          */
1494         if (!sent_to_at_least_one)
1495         {
1496                 this->Write(std::string(tb));
1497         }
1498 }
1499
1500
1501 /* write a formatted string to all users who share at least one common
1502  * channel, NOT including the source user e.g. for use in QUIT
1503  */
1504
1505 void User::WriteCommonExcept(const char* text, ...)
1506 {
1507         char textbuffer[MAXBUF];
1508         va_list argsPtr;
1509
1510         va_start(argsPtr, text);
1511         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1512         va_end(argsPtr);
1513
1514         this->WriteCommonExcept(std::string(textbuffer));
1515 }
1516
1517 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1518 {
1519         char tb1[MAXBUF];
1520         char tb2[MAXBUF];
1521
1522         if (this->registered != REG_ALL)
1523                 return;
1524
1525         uniq_id++;
1526
1527         if (!already_sent)
1528                 InitializeAlreadySent(ServerInstance->SE);
1529
1530         snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str());
1531         snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str());
1532         std::string out1 = tb1;
1533         std::string out2 = tb2;
1534
1535         for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1536         {
1537                 CUList *ulist = v->first->GetUsers();
1538                 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1539                 {
1540                         if (this != i->first)
1541                         {
1542                                 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1543                                 {
1544                                         already_sent[i->first->fd] = uniq_id;
1545                                         i->first->Write(IS_OPER(i->first) ? out2 : out1);
1546                                 }
1547                         }
1548                 }
1549         }
1550 }
1551
1552 void User::WriteCommonExcept(const std::string &text)
1553 {
1554         char tb1[MAXBUF];
1555         std::string out1;
1556
1557         if (this->registered != REG_ALL)
1558                 return;
1559
1560         uniq_id++;
1561
1562         if (!already_sent)
1563                 InitializeAlreadySent(ServerInstance->SE);
1564
1565         snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost().c_str(),text.c_str());
1566         out1 = tb1;
1567
1568         for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1569         {
1570                 CUList *ulist = v->first->GetUsers();
1571                 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1572                 {
1573                         if (this != i->first)
1574                         {
1575                                 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1576                                 {
1577                                         already_sent[i->first->fd] = uniq_id;
1578                                         i->first->Write(out1);
1579                                 }
1580                         }
1581                 }
1582         }
1583
1584 }
1585
1586 void User::WriteWallOps(const std::string &text)
1587 {
1588         if (!IS_LOCAL(this))
1589                 return;
1590
1591         std::string wallop("WALLOPS :");
1592         wallop.append(text);
1593
1594         for (std::vector<User*>::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1595         {
1596                 User* t = *i;
1597                 if (t->IsModeSet('w'))
1598                         this->WriteTo(t,wallop);
1599         }
1600 }
1601
1602 void User::WriteWallOps(const char* text, ...)
1603 {
1604         if (!IS_LOCAL(this))
1605                 return;
1606
1607         char textbuffer[MAXBUF];
1608         va_list argsPtr;
1609
1610         va_start(argsPtr, text);
1611         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1612         va_end(argsPtr);
1613
1614         this->WriteWallOps(std::string(textbuffer));
1615 }
1616
1617 /* return 0 or 1 depending if users u and u2 share one or more common channels
1618  * (used by QUIT, NICK etc which arent channel specific notices)
1619  *
1620  * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1621  * the first users channels then the second users channels within the outer loop,
1622  * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1623  * all possible iterations). However this new function instead checks against the
1624  * channel's userlist in the inner loop which is a std::map<User*,User*>
1625  * and saves us time as we already know what pointer value we are after.
1626  * Don't quote me on the maths as i am not a mathematician or computer scientist,
1627  * but i believe this algorithm is now x+(log y) maximum iterations instead.
1628  */
1629 bool User::SharesChannelWith(User *other)
1630 {
1631         if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1632                 return false;
1633
1634         /* Outer loop */
1635         for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1636         {
1637                 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1638                  * by replacing it with a map::find which *should* be more efficient
1639                  */
1640                 if (i->first->HasUser(other))
1641                         return true;
1642         }
1643         return false;
1644 }
1645
1646 bool User::ChangeName(const char* gecos)
1647 {
1648         if (!this->fullname.compare(gecos))
1649                 return true;
1650
1651         if (IS_LOCAL(this))
1652         {
1653                 int MOD_RESULT = 0;
1654                 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1655                 if (MOD_RESULT)
1656                         return false;
1657                 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1658         }
1659         this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos);
1660
1661         return true;
1662 }
1663
1664 bool User::ChangeDisplayedHost(const char* shost)
1665 {
1666         if (dhost == shost)
1667                 return true;
1668
1669         if (IS_LOCAL(this))
1670         {
1671                 int MOD_RESULT = 0;
1672                 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,shost));
1673                 if (MOD_RESULT)
1674                         return false;
1675         }
1676
1677         FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost));
1678
1679         int MOD_RESULT = 0;
1680         FOREACH_RESULT(I_OnHostCycle, OnHostCycle(this));
1681
1682         if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT)
1683                 this->WriteCommonExcept("QUIT :Changing hosts");
1684
1685         /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1686         this->dhost.assign(shost, 0, 64);
1687
1688         this->InvalidateCache();
1689
1690         if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT)
1691         {
1692                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1693                 {
1694                         i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name.c_str());
1695                         std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1696                         if (n.length() > 0)
1697                                 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name.c_str(), n.c_str());
1698                 }
1699         }
1700
1701         if (IS_LOCAL(this))
1702                 this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str());
1703
1704         return true;
1705 }
1706
1707 bool User::ChangeIdent(const char* newident)
1708 {
1709         if (this->ident == newident)
1710                 return true;
1711
1712         int MOD_RESULT = 0;
1713         FOREACH_RESULT(I_OnHostCycle, OnHostCycle(this));
1714
1715         if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT)
1716                 this->WriteCommonExcept("%s","QUIT :Changing ident");
1717
1718         this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax + 1);
1719
1720         this->InvalidateCache();
1721
1722         if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT)
1723         {
1724                 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1725                 {
1726                         i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name.c_str());
1727                         std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1728                         if (n.length() > 0)
1729                                 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name.c_str(), n.c_str());
1730                 }
1731         }
1732
1733         return true;
1734 }
1735
1736 void User::SendAll(const char* command, const char* text, ...)
1737 {
1738         char textbuffer[MAXBUF];
1739         char formatbuffer[MAXBUF];
1740         va_list argsPtr;
1741
1742         va_start(argsPtr, text);
1743         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1744         va_end(argsPtr);
1745
1746         snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer);
1747         std::string fmt = formatbuffer;
1748
1749         for (std::vector<User*>::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1750         {
1751                 (*i)->Write(fmt);
1752         }
1753 }
1754
1755
1756 std::string User::ChannelList(User* source)
1757 {
1758         std::string list;
1759
1760         for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1761         {
1762                 /* If the target is the same as the sender, let them see all their channels.
1763                  * If the channel is NOT private/secret OR the user shares a common channel
1764                  * If the user is an oper, and the <options:operspywhois> option is set.
1765                  */
1766                 if ((source == this) || (IS_OPER(source) && ServerInstance->Config->OperSpyWhois) || (((!i->first->IsModeSet('p')) && (!i->first->IsModeSet('s'))) || (i->first->HasUser(source))))
1767                 {
1768                         list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1769                 }
1770         }
1771
1772         return list;
1773 }
1774
1775 void User::SplitChanList(User* dest, const std::string &cl)
1776 {
1777         std::string line;
1778         std::ostringstream prefix;
1779         std::string::size_type start, pos, length;
1780
1781         prefix << this->nick << " " << dest->nick << " :";
1782         line = prefix.str();
1783         int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1784
1785         for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1786         {
1787                 length = (pos == std::string::npos) ? cl.length() : pos;
1788
1789                 if (line.length() + namelen + length - start > 510)
1790                 {
1791                         ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1792                         line = prefix.str();
1793                 }
1794
1795                 if(pos == std::string::npos)
1796                 {
1797                         line.append(cl.substr(start, length - start));
1798                         break;
1799                 }
1800                 else
1801                 {
1802                         line.append(cl.substr(start, length - start + 1));
1803                 }
1804         }
1805
1806         if (line.length())
1807         {
1808                 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1809         }
1810 }
1811
1812 /*
1813  * Sets a user's connection class.
1814  * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1815  * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1816  * then their ip will be taken as 'priority' anyway, so for example,
1817  * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1818  */
1819 ConnectClass* User::SetClass(const std::string &explicit_name)
1820 {
1821         ConnectClass *found = NULL;
1822
1823         if (!IS_LOCAL(this))
1824                 return NULL;
1825
1826         ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
1827
1828         if (!explicit_name.empty())
1829         {
1830                 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1831                 {
1832                         ConnectClass* c = *i;
1833
1834                         if (c->GetDisabled())
1835                                 continue; // can't possibly match, removed from conf
1836
1837                         if (explicit_name == c->GetName())
1838                         {
1839                                 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Explicitly set to %s", explicit_name.c_str());
1840                                 found = c;
1841                         }
1842                 }
1843         }
1844         else
1845         {
1846                 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1847                 {
1848                         ConnectClass* c = *i;
1849
1850                         if (c->GetType() == CC_ALLOW)
1851                         {
1852                                 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "ALLOW %s %d %s", c->GetHost().c_str(), c->GetPort(), c->GetName().c_str());
1853                         }
1854                         else
1855                         {
1856                                 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "DENY %s %d %s", c->GetHost().c_str(), c->GetPort(), c->GetName().c_str());
1857                         }
1858
1859                         /* if it's disabled, we can't match this one. */
1860                         if (c->GetDisabled())
1861                         {
1862                                 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Class disabled");
1863                                 continue;
1864                         }
1865
1866                         /* check if host matches.. */
1867                         if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
1868                             !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL))
1869                         {
1870                                 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "No host match (for %s)", c->GetHost().c_str());
1871                                 continue;
1872                         }
1873
1874                         /*
1875                          * deny change if change will take class over the limit check it HERE, not after we found a matching class,
1876                          * because we should attempt to find another class if this one doesn't match us. -- w00t
1877                          */
1878                         if (c->limit && (c->RefCount + 1 >= c->limit))
1879                         {
1880                                 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
1881                                 continue;
1882                         }
1883
1884                         /* if it requires a port ... */
1885                         if (c->GetPort())
1886                         {
1887                                 ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Requires port (%d)", c->GetPort());
1888
1889                                 /* and our port doesn't match, fail. */
1890                                 if (this->GetPort() != c->GetPort())
1891                                 {
1892                                         ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Port match failed (%d)", this->GetPort());
1893                                         continue;
1894                                 }
1895                         }
1896
1897                         /* we stop at the first class that meets ALL critera. */
1898                         found = c;
1899                         break;
1900                 }
1901         }
1902
1903         /*
1904          * Okay, assuming we found a class that matches.. switch us into that class, keeping refcounts up to date.
1905          */
1906         if (found)
1907         {
1908                 /* only fiddle with refcounts if they are already in a class .. */
1909                 if (this->MyClass)
1910                 {
1911                         if (found == this->MyClass) // no point changing this shit :P
1912                                 return this->MyClass;
1913                         this->MyClass->RefCount--;
1914                         ServerInstance->Logs->Log("USERS", DEBUG, "Untying user from connect class -- refcount: %lu", this->MyClass->RefCount);
1915                 }
1916
1917                 this->MyClass = found;
1918                 this->MyClass->RefCount++;
1919                 ServerInstance->Logs->Log("USERS", DEBUG, "User tied to new class -- connect refcount now: %lu", this->MyClass->RefCount);
1920         }
1921
1922         return this->MyClass;
1923 }
1924
1925 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1926  * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1927  * then their ip will be taken as 'priority' anyway, so for example,
1928  * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1929  */
1930 ConnectClass* User::GetClass()
1931 {
1932         return this->MyClass;
1933 }
1934
1935 void User::PurgeEmptyChannels()
1936 {
1937         std::vector<Channel*> to_delete;
1938
1939         // firstly decrement the count on each channel
1940         for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1941         {
1942                 f->first->RemoveAllPrefixes(this);
1943                 if (f->first->DelUser(this) == 0)
1944                 {
1945                         /* No users left in here, mark it for deletion */
1946                         try
1947                         {
1948                                 to_delete.push_back(f->first);
1949                         }
1950                         catch (...)
1951                         {
1952                                 ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::PurgeEmptyChannels to_delete.push_back()");
1953                         }
1954                 }
1955         }
1956
1957         for (std::vector<Channel*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1958         {
1959                 Channel* thischan = *n;
1960                 chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name);
1961                 if (i2 != ServerInstance->chanlist->end())
1962                 {
1963                         FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1964                         delete i2->second;
1965                         ServerInstance->chanlist->erase(i2);
1966                         this->chans.erase(*n);
1967                 }
1968         }
1969
1970         this->UnOper();
1971 }
1972
1973 void User::ShowMOTD()
1974 {
1975         if (!ServerInstance->Config->MOTD.size())
1976         {
1977                 this->WriteNumeric(ERR_NOMOTD, "%s :Message of the day file is missing.",this->nick.c_str());
1978                 return;
1979         }
1980         this->WriteNumeric(RPL_MOTDSTART, "%s :%s message of the day", this->nick.c_str(), ServerInstance->Config->ServerName);
1981
1982         for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
1983                 this->WriteNumeric(RPL_MOTD, "%s :- %s",this->nick.c_str(),i->c_str());
1984
1985         this->WriteNumeric(RPL_ENDOFMOTD, "%s :End of message of the day.", this->nick.c_str());
1986 }
1987
1988 void User::ShowRULES()
1989 {
1990         if (!ServerInstance->Config->RULES.size())
1991         {
1992                 this->WriteNumeric(ERR_NORULES, "%s :RULES File is missing",this->nick.c_str());
1993                 return;
1994         }
1995
1996         this->WriteNumeric(RPL_RULESTART, "%s :- %s Server Rules -",this->nick.c_str(),ServerInstance->Config->ServerName);
1997
1998         for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
1999                 this->WriteNumeric(RPL_RULES, "%s :- %s",this->nick.c_str(),i->c_str());
2000
2001         this->WriteNumeric(RPL_RULESEND, "%s :End of RULES command.",this->nick.c_str());
2002 }
2003
2004 void User::HandleEvent(EventType et, int errornum)
2005 {
2006         if (this->quitting) // drop everything, user is due to be quit
2007                 return;
2008
2009         switch (et)
2010         {
2011                 case EVENT_READ:
2012                         ServerInstance->ProcessUser(this);
2013                 break;
2014                 case EVENT_WRITE:
2015                         this->FlushWriteBuf();
2016                 break;
2017                 case EVENT_ERROR:
2018                         ServerInstance->Users->QuitUser(this, errornum ? strerror(errornum) : "Client closed the connection");
2019                 break;
2020         }
2021 }
2022
2023 void User::SetOperQuit(const std::string &oquit)
2024 {
2025         operquitmsg = oquit;
2026 }
2027
2028 const std::string& User::GetOperQuit()
2029 {
2030         return operquitmsg;
2031 }
2032
2033 void User::IncreasePenalty(int increase)
2034 {
2035         this->Penalty += increase;
2036 }
2037
2038 void User::DecreasePenalty(int decrease)
2039 {
2040         this->Penalty -= decrease;
2041 }
2042
2043 VisData::VisData()
2044 {
2045 }
2046
2047 VisData::~VisData()
2048 {
2049 }
2050
2051 bool VisData::VisibleTo(User* user)
2052 {
2053         return true;
2054 }
2055