src/mode.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 using namespace std;
  18
  19 #include "inspircd_config.h"
  20 #include "inspircd.h"
  21 #include "configreader.h"
  22 #include <unistd.h>
  23 #include "hash_map.h"
  24 #include "connection.h"
  25 #include "users.h"
  26 #include "modules.h"
  27 #include "inspstring.h"
  28 #include "helperfuncs.h"
  29 #include "commands.h"
  30 #include "mode.h"
  31
  32 /* +s (secret) */
  33 #include "modes/cmode_s.h"
  34 /* +p (private) */
  35 #include "modes/cmode_p.h"
  36 /* +b (bans) */
  37 #include "modes/cmode_b.h"
  38 /* +m (moderated) */
  39 #include "modes/cmode_m.h"
  40 /* +t (only (half) ops can change topic) */
  41 #include "modes/cmode_t.h"
  42 /* +n (no external messages) */
  43 #include "modes/cmode_n.h"
  44 /* +i (invite only) */
  45 #include "modes/cmode_i.h"
  46 /* +k (keyed channel) */
  47 #include "modes/cmode_k.h"
  48 /* +l (channel user limit) */
  49 #include "modes/cmode_l.h"
  50 /* +o (channel op) */
  51 #include "modes/cmode_o.h"
  52 /* +h (channel halfop) */
  53 #include "modes/cmode_h.h"
  54 /* +v (channel voice) */
  55 #include "modes/cmode_v.h"
  56
  57 /* +s (server notices) */
  58 #include "modes/umode_s.h"
  59 /* +w (see wallops) */
  60 #include "modes/umode_w.h"
  61 /* +i (invisible) */
  62 #include "modes/umode_i.h"
  63 /* +o (operator) */
  64 #include "modes/umode_o.h"
  65 /* +n (notice mask - our implementation of snomasks) */
  66 #include "modes/umode_n.h"
  67
  68 ModeHandler::ModeHandler(InspIRCd* Instance, char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly)
  69         : ServerInstance(Instance), mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), oper(operonly)
  70 {
  71 }
  72
  73 ModeHandler::~ModeHandler()
  74 {
  75 }
  76
  77 bool ModeHandler::IsListMode()
  78 {
  79         return list;
  80 }
  81
  82 ModeType ModeHandler::GetModeType()
  83 {
  84         return m_type;
  85 }
  86
  87 bool ModeHandler::NeedsOper()
  88 {
  89         return oper;
  90 }
  91
  92 int ModeHandler::GetNumParams(bool adding)
  93 {
  94         return adding ? n_params_on : n_params_off;
  95 }
  96
  97 char ModeHandler::GetModeChar()
  98 {
  99         return mode;
 100 }
 101
 102 ModeAction ModeHandler::OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 103 {
 104         return MODEACTION_DENY;
 105 }
 106
 107 ModePair ModeHandler::ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string &parameter)
 108 {
 109         if (dest)
 110         {
 111                 return std::make_pair(dest->IsModeSet(this->mode), "");
 112         }
 113         else
 114         {
 115                 return std::make_pair(channel->IsModeSet(this->mode), "");
 116         }
 117 }
 118
 119 void ModeHandler::DisplayList(userrec* user, chanrec* channel)
 120 {
 121 }
 122
 123 bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel)
 124 {
 125         return (ours < theirs);
 126 }
 127
 128 ModeWatcher::ModeWatcher(InspIRCd* Instance, char modeletter, ModeType type) : ServerInstance(Instance), mode(modeletter), m_type(type)
 129 {
 130 }
 131
 132 ModeWatcher::~ModeWatcher()
 133 {
 134 }
 135
 136 char ModeWatcher::GetModeChar()
 137 {
 138         return mode;
 139 }
 140
 141 ModeType ModeWatcher::GetModeType()
 142 {
 143         return m_type;
 144 }
 145
 146 bool ModeWatcher::BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding, ModeType type)
 147 {
 148         return true;
 149 }
 150
 151 void ModeWatcher::AfterMode(userrec* source, userrec* dest, chanrec* channel, const std::string &parameter, bool adding, ModeType type)
 152 {
 153 }
 154
 155 userrec* ModeParser::SanityChecks(userrec *user,const char *dest,chanrec *chan,int status)
 156 {
 157         userrec *d;
 158         if ((!user) || (!dest) || (!chan) || (!*dest))
 159         {
 160                 return NULL;
 161         }
 162         d = ServerInstance->FindNick(dest);
 163         if (!d)
 164         {
 165                 user->WriteServ("401 %s %s :No such nick/channel",user->nick, dest);
 166                 return NULL;
 167         }
 168         return d;
 169 }
 170
 171 const char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
 172 {
 173         if (!chan)
 174                 return "";
 175
 176         for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
 177         {
 178                 ucrec* n = (ucrec*)(*i);
 179                 if (n->channel == chan)
 180                 {
 181                         if (n->uc_modes & MASK)
 182                         {
 183                                 return "";
 184                         }
 185                         n->uc_modes = n->uc_modes | MASK;
 186                         switch (MASK)
 187                         {
 188                                 case UCMODE_OP:
 189                                         n->channel->AddOppedUser(d);
 190                                 break;
 191                                 case UCMODE_HOP:
 192                                         n->channel->AddHalfoppedUser(d);
 193                                 break;
 194                                 case UCMODE_VOICE:
 195                                         n->channel->AddVoicedUser(d);
 196                                 break;
 197                         }
 198                         ServerInstance->Log(DEBUG,"grant: %s %s",n->channel->name,d->nick);
 199                         return d->nick;
 200                 }
 201         }
 202         return "";
 203 }
 204
 205 const char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
 206 {
 207         if (!chan)
 208                 return "";
 209
 210         for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
 211         {
 212                 ucrec* n = (ucrec*)(*i);
 213                 if (n->channel == chan)
 214                 {
 215                         if ((n->uc_modes & MASK) == 0)
 216                         {
 217                                 return "";
 218                         }
 219                         n->uc_modes ^= MASK;
 220                         switch (MASK)
 221                         {
 222                                 case UCMODE_OP:
 223                                         n->channel->DelOppedUser(d);
 224                                 break;
 225                                 case UCMODE_HOP:
 226                                         n->channel->DelHalfoppedUser(d);
 227                                 break;
 228                                 case UCMODE_VOICE:
 229                                         n->channel->DelVoicedUser(d);
 230                                 break;
 231                         }
 232                         ServerInstance->Log(DEBUG,"revoke: %s %s",n->channel->name,d->nick);
 233                         return d->nick;
 234                 }
 235         }
 236         return "";
 237 }
 238
 239 void ModeParser::DisplayCurrentModes(userrec *user, userrec* targetuser, chanrec* targetchannel, const char* text)
 240 {
 241         if (targetchannel)
 242         {
 243                 /* Display channel's current mode string */
 244                 user->WriteServ("324 %s %s +%s",user->nick, targetchannel->name, targetchannel->ChanModes(targetchannel->HasUser(user)));
 245                 user->WriteServ("329 %s %s %d", user->nick, targetchannel->name, targetchannel->created);
 246                 return;
 247         }
 248         else if (targetuser)
 249         {
 250                 /* Display user's current mode string */
 251                 user->WriteServ("221 %s :+%s",targetuser->nick,targetuser->FormatModes());
 252                 user->WriteServ("008 %s :+%s", targetuser->nick, targetuser->FormatNoticeMasks());
 253                 return;
 254         }
 255
 256         /* No such nick/channel */
 257         user->WriteServ("401 %s %s :No such nick/channel",user->nick, text);
 258         return;
 259 }
 260
 261 void ModeParser::Process(const char** parameters, int pcnt, userrec *user, bool servermode)
 262 {
 263         std::string target = parameters[0];
 264         ModeType type = MODETYPE_USER;
 265         unsigned char mask = 0;
 266         chanrec* targetchannel = ServerInstance->FindChan(parameters[0]);
 267         userrec* targetuser  = ServerInstance->FindNick(parameters[0]);
 268
 269         ServerInstance->Log(DEBUG,"ModeParser::Process start");
 270
 271         /* Special case for displaying the list for listmodes,
 272          * e.g. MODE #chan b, or MODE #chan +b without a parameter
 273          */
 274         if ((targetchannel) && (pcnt == 2))
 275         {
 276                 const char* mode = parameters[1];
 277                 if (*mode == '+')
 278                 mode++;
 279                 unsigned char handler_id = ((*mode) - 65) | MASK_CHANNEL;
 280                 ModeHandler* mh = modehandlers[handler_id];
 281                 if ((mh) && (mh->IsListMode()))
 282                 {
 283                         mh->DisplayList(user, targetchannel);
 284                         return;
 285                 }
 286         }
 287
 288         if (pcnt == 1)
 289         {
 290                 this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0]);
 291         }
 292         else if (pcnt > 1)
 293         {
 294                 if (targetchannel)
 295                 {
 296                         type = MODETYPE_CHANNEL;
 297                         mask = MASK_CHANNEL;
 298
 299                         /* Extra security checks on channel modes
 300                          * (e.g. are they a (half)op?
 301                          */
 302
 303                         if ((IS_LOCAL(user)) && (targetchannel->GetStatus(user) < STATUS_HOP))
 304                         {
 305                                 /* We don't have halfop */
 306                                 ServerInstance->Log(DEBUG,"The user is not a halfop or above, checking other reasons for being able to set the modes");
 307
 308                                 /* Are we a uline or is it a servermode? */
 309                                 if ((!ServerInstance->ULine(user->server)) && (!servermode))
 310                                 {
 311                                         /* Not enough permission:
 312                                          * NOT a uline and NOT a servermode,
 313                                          * OR, NOT halfop or above.
 314                                          */
 315                                         user->WriteServ("482 %s %s :You're not a channel (half)operator",user->nick, targetchannel->name);
 316                                         return;
 317                                 }
 318                         }
 319                 }
 320                 else if (targetuser)
 321                 {
 322                         type = MODETYPE_USER;
 323                         mask = MASK_USER;
 324                 }
 325                 else
 326                 {
 327                         /* No such nick/channel */
 328                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
 329                         return;
 330                 }
 331
 332                 std::string mode_sequence = parameters[1];
 333                 std::string parameter = "";
 334                 std::ostringstream parameter_list;
 335                 std::string output_sequence = "";
 336                 bool adding = true, state_change = false;
 337                 unsigned char handler_id = 0;
 338                 int parameter_counter = 2; /* Index of first parameter */
 339
 340                 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
 341                 {
 342                         unsigned char modechar = *letter;
 343
 344                         switch (modechar)
 345                         {
 346                                 /* NB:
 347                                  * For + and - mode characters, we don't just stick the character into the output sequence.
 348                                  * This is because the user may do something dumb, like: +-+ooo or +oo-+. To prevent this
 349                                  * appearing in the output sequence, we store a flag which says there was a state change,
 350                                  * which is set on any + or -, however, the + or - that we finish on is only appended to
 351                                  * the output stream in the event it is followed by a non "+ or -" character, such as o or v.
 352                                  */
 353                                 case '+':
 354                                         /* The following expression prevents: +o+o nick nick, compressing it to +oo nick nick,
 355                                          * however, will allow the + if it is the first item in the sequence, regardless.
 356                                          */
 357                                         if ((!adding) || (!output_sequence.length()))
 358                                                 state_change = true;
 359                                         adding = true;
 360                                         continue;
 361                                 break;
 362                                 case '-':
 363                                         if ((adding) || (!output_sequence.length()))
 364                                                 state_change = true;
 365                                         adding = false;
 366                                         continue;
 367                                 break;
 368                                 default:
 369
 370                                         /**
 371                                          * Watch carefully for the sleight of hand trick.
 372                                          * 65 is the ascii value of 'A'. We take this from
 373                                          * the char we're looking at to get a number between
 374                                          * 1 and 127. We then logic-or it to get the hashed
 375                                          * position, dependent on wether its a channel or
 376                                          * a user mode. This is a little stranger, but a lot
 377                                          * faster, than using a map of pairs.
 378                                          */
 379                                         handler_id = (modechar - 65) | mask;
 380
 381                                         if (modehandlers[handler_id])
 382                                         {
 383                                                 bool abort = false;
 384
 385                                                 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
 386                                                 {
 387                                                         if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY)
 388                                                                 abort = true;
 389                                                 }
 390                                                 if ((modehandlers[handler_id]->GetModeType() == type) && (!abort))
 391                                                 {
 392                                                         if (modehandlers[handler_id]->GetNumParams(adding))
 393                                                         {
 394                                                                 /* This mode expects a parameter, do we have any parameters left in our list to use? */
 395                                                                 if (parameter_counter < pcnt)
 396                                                                 {
 397                                                                         parameter = parameters[parameter_counter++];
 398                                                                 }
 399                                                                 else
 400                                                                 {
 401                                                                         /* No parameter, continue to the next mode */
 402                                                                         continue;
 403                                                                 }
 404                                                         }
 405
 406                                                         /* It's an oper only mode, check if theyre an oper. If they arent,
 407                                                          * eat any parameter that  came with the mode, and continue to next
 408                                                          */
 409                                                         if ((IS_LOCAL(user)) && (modehandlers[handler_id]->NeedsOper()) && (!*user->oper))
 410                                                                 continue;
 411
 412                                                         /* Call the handler for the mode */
 413                                                         ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
 414
 415                                                         if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter == ""))
 416                                                         {
 417                                                                 /* The handler nuked the parameter and they are supposed to have one.
 418                                                                  * We CANT continue now, even if they actually returned MODEACTION_ALLOW,
 419                                                                  * so we bail to the next mode character.
 420                                                                  */
 421                                                                 continue;
 422                                                         }
 423
 424                                                         if (ma == MODEACTION_ALLOW)
 425                                                         {
 426                                                                 /* We're about to output a valid mode letter - was there previously a pending state-change? */
 427                                                                 if (state_change)
 428                                                                         output_sequence.append(adding ? "+" : "-");
 429
 430                                                                 /* Add the mode letter */
 431                                                                 output_sequence.push_back(modechar);
 432
 433                                                                 /* Is there a valid parameter for this mode? If so add it to the parameter list */
 434                                                                 if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != ""))
 435                                                                         parameter_list << " " << parameter;
 436
 437                                                                 /* Call all the AfterMode events in the mode watchers for this mode */
 438                                                                 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
 439                                                                         (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type);
 440
 441                                                                 /* Reset the state change flag */
 442                                                                 state_change = false;
 443                                                         }
 444                                                 }
 445                                         }
 446                                         else
 447                                         {
 448                                                 /* No mode handler? Unknown mode character then. */
 449                                                 user->WriteServ("472 %s %c :is unknown mode char to me",user->nick, modechar);
 450                                         }
 451                                 break;
 452                         }
 453                 }
 454                 /* Was there at least one valid mode in the sequence? */
 455                 if (output_sequence != "")
 456                 {
 457                         if (servermode)
 458                         {
 459                                 if (type == MODETYPE_CHANNEL)
 460                                 {
 461                                         targetchannel->WriteChannelWithServ(ServerInstance->Config->ServerName, "MODE %s %s%s", targetchannel->name, output_sequence.c_str(), parameter_list.str().c_str());
 462                                 }
 463                                 else
 464                                 {
 465                                         targetuser->WriteServ("MODE %s %s",targetuser->nick,output_sequence.c_str());
 466                                 }
 467                         }
 468                         else
 469                         {
 470                                 if (type == MODETYPE_CHANNEL)
 471                                 {
 472                                         ServerInstance->Log(DEBUG,"Write output sequence and parameters to channel: %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
 473                                         targetchannel->WriteChannel(user,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
 474                                         FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, output_sequence + parameter_list.str()));
 475                                 }
 476                                 else
 477                                 {
 478                                         user->WriteTo(targetuser,"MODE %s %s",targetuser->nick,output_sequence.c_str());
 479                                         FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence));
 480                                 }
 481                         }
 482                 }
 483         }
 484 }
 485
 486
 487 void cmd_mode::Handle (const char** parameters, int pcnt, userrec *user)
 488 {
 489         if (!user)
 490                 return;
 491
 492         ServerInstance->Modes->Process(parameters, pcnt, user, false);
 493
 494         return;
 495 }
 496
 497 void ModeParser::CleanMask(std::string &mask)
 498 {
 499         std::string::size_type pos_of_pling = mask.find_first_of('!');
 500         std::string::size_type pos_of_at = mask.find_first_of('@');
 501         std::string::size_type pos_of_dot = mask.find_first_of('.');
 502         std::string::size_type pos_of_colon = mask.find_first_of(':'); /* Because ipv6 addresses are colon delimited */
 503
 504         if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
 505         {
 506                 /* Just a nick, or just a host */
 507                 if ((pos_of_dot == std::string::npos) && (pos_of_colon == std::string::npos))
 508                 {
 509                         /* It has no '.' in it, it must be a nick. */
 510                         mask.append("!*@*");
 511                 }
 512                 else
 513                 {
 514                         /* Got a dot in it? Has to be a host */
 515                         mask = "*!*@" + mask;
 516                 }
 517         }
 518         else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
 519         {
 520                 /* Has an @ but no !, its a user@host */
 521                  mask = "*!" + mask;
 522         }
 523         else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
 524         {
 525                 /* Has a ! but no @, it must be a nick!ident */
 526                 mask.append("@*");
 527         }
 528 }
 529
 530 bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter)
 531 {
 532         unsigned char mask = 0;
 533         unsigned char pos = 0;
 534
 535         /* Yes, i know, this might let people declare modes like '_' or '^'.
 536          * If they do that, thats their problem, and if i ever EVER see an
 537          * official InspIRCd developer do that, i'll beat them with a paddle!
 538          */
 539         if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
 540                 return false;
 541
 542         mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
 543         pos = (mh->GetModeChar()-65) | mask;
 544
 545         if (modehandlers[pos])
 546                 return false;
 547
 548         modehandlers[pos] = mh;
 549         ServerInstance->Log(DEBUG,"ModeParser::AddMode: added mode %c",mh->GetModeChar());
 550         return true;
 551 }
 552
 553 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
 554 {
 555         unsigned char mask = 0;
 556         unsigned char pos = 0;
 557
 558         if ((modeletter < 'A') || (modeletter > 'z'))
 559                 return NULL;
 560
 561         mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
 562         pos = (modeletter-65) | mask;
 563
 564         return modehandlers[pos];
 565 }
 566
 567 std::string ModeParser::UserModeList()
 568 {
 569         char modestr[256];
 570         int pointer = 0;
 571
 572         for (unsigned char mode = 'A'; mode <= 'z'; mode++)
 573         {
 574                 unsigned char pos = (mode-65) | MASK_USER;
 575
 576                 if (modehandlers[pos])
 577                         modestr[pointer++] = mode;
 578         }
 579         modestr[pointer++] = 0;
 580         return modestr;
 581 }
 582
 583 std::string ModeParser::ChannelModeList()
 584 {
 585         char modestr[256];
 586         int pointer = 0;
 587
 588         for (unsigned char mode = 'A'; mode <= 'z'; mode++)
 589         {
 590                 unsigned char pos = (mode-65) | MASK_CHANNEL;
 591
 592                 if (modehandlers[pos])
 593                         modestr[pointer++] = mode;
 594         }
 595         modestr[pointer++] = 0;
 596         return modestr;
 597 }
 598
 599 std::string ModeParser::ParaModeList()
 600 {
 601         char modestr[256];
 602         int pointer = 0;
 603
 604         for (unsigned char mode = 'A'; mode <= 'z'; mode++)
 605         {
 606                 unsigned char pos = (mode-65) | MASK_CHANNEL;
 607
 608                 if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true)))
 609                         modestr[pointer++] = mode;
 610         }
 611         modestr[pointer++] = 0;
 612         return modestr;
 613 }
 614
 615 bool ModeParser::AddModeWatcher(ModeWatcher* mw)
 616 {
 617         unsigned char mask = 0;
 618         unsigned char pos = 0;
 619
 620         if (!mw)
 621                 return false;
 622
 623         if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
 624                 return false;
 625
 626         mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
 627         pos = (mw->GetModeChar()-65) | mask;
 628
 629         modewatchers[pos].push_back(mw);
 630         ServerInstance->Log(DEBUG,"ModeParser::AddModeWatcher: watching mode %c",mw->GetModeChar());
 631
 632         return true;
 633 }
 634
 635 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
 636 {
 637         unsigned char mask = 0;
 638         unsigned char pos = 0;
 639
 640         if (!mw)
 641                 return false;
 642
 643         if ((mw->GetModeType() < 'A') || (mw->GetModeType() > 'z'))
 644                 return false;
 645
 646         mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
 647         pos = (mw->GetModeChar()-65) | mask;
 648
 649         ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
 650
 651         if (a == modewatchers[pos].end())
 652                 return false;
 653
 654         modewatchers[pos].erase(a);
 655         ServerInstance->Log(DEBUG,"ModeParser::DelModeWatcher: stopped watching mode %c",mw->GetModeChar());
 656
 657         return true;
 658 }
 659
 660 ModeParser::ModeParser(InspIRCd* Instance) : ServerInstance(Instance)
 661 {
 662         /* Clear mode list */
 663         memset(modehandlers, 0, sizeof(modehandlers));
 664         memset(modewatchers, 0, sizeof(modewatchers));
 665
 666         /* Initialise the RFC mode letters */
 667
 668         /* Start with channel simple modes, no params */
 669         this->AddMode(new ModeChannelSecret(Instance), 's');
 670         this->AddMode(new ModeChannelPrivate(Instance), 'p');
 671         this->AddMode(new ModeChannelModerated(Instance), 'm');
 672         this->AddMode(new ModeChannelTopicOps(Instance), 't');
 673         this->AddMode(new ModeChannelNoExternal(Instance), 'n');
 674         this->AddMode(new ModeChannelInviteOnly(Instance), 'i');
 675
 676         /* Cannel modes with params */
 677         this->AddMode(new ModeChannelKey(Instance), 'k');
 678         this->AddMode(new ModeChannelLimit(Instance), 'l');
 679
 680         /* Channel listmodes */
 681         this->AddMode(new ModeChannelBan(Instance), 'b');
 682         this->AddMode(new ModeChannelOp(Instance), 'o');
 683         this->AddMode(new ModeChannelHalfOp(Instance), 'h');
 684         this->AddMode(new ModeChannelVoice(Instance), 'v');
 685
 686         /* Now for usermodes */
 687         this->AddMode(new ModeUserServerNotice(Instance), 's');
 688         this->AddMode(new ModeUserWallops(Instance), 'w');
 689         this->AddMode(new ModeUserInvisible(Instance), 'i');
 690         this->AddMode(new ModeUserOperator(Instance), 'o');
 691         this->AddMode(new ModeUserServerNoticeMask(Instance), 'n');
 692 }
 693
 694 bool ModeParser::InsertMode(std::string &output, const char* mode, unsigned short section)
 695 {
 696         unsigned short currsection = 1;
 697         unsigned int pos = output.find("CHANMODES=", 0) + 10; // +10 for the length of "CHANMODES="
 698
 699         if(section > 4 || section == 0)
 700         {
 701                 ServerInstance->Log(DEBUG, "InsertMode: CHANMODES doesn't have a section %dh :/", section);
 702                 return false;
 703         }
 704
 705         for(; pos < output.size(); pos++)
 706         {
 707                 if(section == currsection)
 708                         break;
 709
 710                 if(output[pos] == ',')
 711                         currsection++;
 712         }
 713
 714         output.insert(pos, mode);
 715         return true;
 716 }
 717