2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2012 Shawn Smith <shawn@inspircd.org>
5 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
6 * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
8 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
9 * Copyright (C) 2004-2008 Craig Edwards <craigedwards@brainbox.cc>
10 * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
12 * This file is part of InspIRCd. InspIRCd is free software: you can
13 * redistribute it and/or modify it under the terms of the GNU General Public
14 * License as published by the Free Software Foundation, version 2.
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "builtinmodes.h"
29 ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type)
30 : ServiceProvider(Creator, Name, SERVICE_MODE), m_paramtype(TR_TEXT),
31 parameters_taken(Params), mode(modeletter), prefix(0), oper(false),
32 list(false), m_type(type), levelrequired(HALFOP_VALUE)
36 CullResult ModeHandler::cull()
38 if (ServerInstance->Modes)
39 ServerInstance->Modes->DelMode(this);
40 return classbase::cull();
43 ModeHandler::~ModeHandler()
47 bool ModeHandler::IsListMode()
52 unsigned int ModeHandler::GetPrefixRank()
57 int ModeHandler::GetNumParams(bool adding)
59 switch (parameters_taken)
64 return adding ? 1 : 0;
71 std::string ModeHandler::GetUserParameter(User* user)
76 ModResult ModeHandler::AccessCheck(User*, Channel*, std::string &, bool)
78 return MOD_RES_PASSTHRU;
81 ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool)
83 return MODEACTION_DENY;
86 void ModeHandler::DisplayList(User*, Channel*)
90 void ModeHandler::DisplayEmptyList(User*, Channel*)
94 void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel)
98 bool ModeHandler::ResolveModeConflict(std::string& theirs, const std::string& ours, Channel*)
100 return (theirs < ours);
103 ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
105 /* We're either trying to add a mode we already have or
106 remove a mode we don't have, deny. */
107 if (dest->IsModeSet(this->GetModeChar()) == adding)
108 return MODEACTION_DENY;
110 /* adding will be either true or false, depending on if we
111 are adding or removing the mode, since we already checked
112 to make sure we aren't adding a mode we have or that we
113 aren't removing a mode we don't have, we don't have to do any
114 other checks here to see if it's true or false, just add or
116 dest->SetMode(this->GetModeChar(), adding);
118 return MODEACTION_ALLOW;
122 ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
124 /* We're either trying to add a mode we already have or
125 remove a mode we don't have, deny. */
126 if (channel->IsModeSet(this->GetModeChar()) == adding)
127 return MODEACTION_DENY;
129 /* adding will be either true or false, depending on if we
130 are adding or removing the mode, since we already checked
131 to make sure we aren't adding a mode we have or that we
132 aren't removing a mode we don't have, we don't have to do any
133 other checks here to see if it's true or false, just add or
135 channel->SetMode(this->GetModeChar(), adding);
137 return MODEACTION_ALLOW;
140 ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
142 if (adding && !ParamValidate(parameter))
143 return MODEACTION_DENY;
144 std::string now = channel->GetModeParameter(this);
145 if (parameter == now)
146 return MODEACTION_DENY;
148 channel->SetModeParam(this, parameter);
150 channel->SetModeParam(this, "");
151 return MODEACTION_ALLOW;
154 bool ParamChannelModeHandler::ParamValidate(std::string& parameter)
159 ModeWatcher::ModeWatcher(Module* Creator, char modeletter, ModeType type)
160 : mode(modeletter), m_type(type), creator(Creator)
164 ModeWatcher::~ModeWatcher()
168 char ModeWatcher::GetModeChar()
173 ModeType ModeWatcher::GetModeType()
178 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
183 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool)
187 void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
191 /* Display channel's current mode string */
192 user->WriteNumeric(RPL_CHANNELMODEIS, "%s %s +%s",user->nick.c_str(), targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
193 user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age);
198 if (targetuser == user || user->HasPrivPermission("users/auspex"))
200 /* Display user's current mode string */
201 user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes());
202 if ((targetuser->IsOper()))
203 user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks());
208 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str());
214 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
215 std::string ¶meter, bool SkipACL)
217 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
218 unsigned char mask = chan ? MASK_CHANNEL : MASK_USER;
220 ModeHandler *mh = FindMode(modechar, type);
221 int pcnt = mh->GetNumParams(adding);
223 // crop mode parameter size to 250 characters
224 if (parameter.length() > 250 && adding)
225 parameter = parameter.substr(0, 250);
227 ModResult MOD_RESULT;
228 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));
230 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
231 return MODEACTION_DENY;
233 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
235 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
237 if (MOD_RESULT == MOD_RES_DENY)
238 return MODEACTION_DENY;
239 if (MOD_RESULT == MOD_RES_PASSTHRU)
241 unsigned int neededrank = mh->GetLevelRequired();
242 /* Compare our rank on the channel against the rank of the required prefix,
243 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
244 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
245 * first, so we don't need to iterate, we just look up the first instead.
247 unsigned int ourrank = chan->GetPrefixValue(user);
248 if (ourrank < neededrank)
250 ModeHandler* neededmh = NULL;
251 for(char c='A'; c <= 'z'; c++)
253 ModeHandler *privmh = FindMode(c, MODETYPE_CHANNEL);
254 if (privmh && privmh->GetPrefixRank() >= neededrank)
256 // this mode is sufficient to allow this action
257 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
262 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel %s access or above to %sset channel mode %c",
263 user->nick.c_str(), chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
265 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You cannot %sset channel mode %c",
266 user->nick.c_str(), chan->name.c_str(), adding ? "" : "un", modechar);
267 return MODEACTION_DENY;
272 unsigned char handler_id = (modechar - 'A') | mask;
274 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
276 if ((*watchers)->BeforeMode(user, targetuser, chan, parameter, adding) == false)
277 return MODEACTION_DENY;
278 /* A module whacked the parameter completely, and there was one. abort. */
279 if (pcnt && parameter.empty())
280 return MODEACTION_DENY;
283 if (IS_LOCAL(user) && !user->IsOper())
285 char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
286 if (disabled[modechar - 'A'])
288 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
289 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
290 return MODEACTION_DENY;
294 if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
296 /* It's an oper only mode, and they don't have access to it. */
299 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
300 user->nick.c_str(), user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
304 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
305 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
307 return MODEACTION_DENY;
310 if (mh->GetTranslateType() == TR_NICK && !ServerInstance->FindNick(parameter))
312 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameter.c_str());
313 return MODEACTION_DENY;
316 if (mh->GetPrefixRank() && chan)
318 User* user_to_prefix = ServerInstance->FindNick(parameter);
320 return MODEACTION_DENY;
321 if (!chan->SetPrefix(user_to_prefix, modechar, adding))
322 return MODEACTION_DENY;
325 /* Call the handler for the mode */
326 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
328 if (pcnt && parameter.empty())
329 return MODEACTION_DENY;
331 if (ma != MODEACTION_ALLOW)
334 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
335 (*watchers)->AfterMode(user, targetuser, chan, parameter, adding);
337 return MODEACTION_ALLOW;
340 void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool merge)
342 std::string target = parameters[0];
343 Channel* targetchannel = ServerInstance->FindChan(target);
344 User* targetuser = ServerInstance->FindNick(target);
345 ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
348 LastParseParams.clear();
349 LastParseTranslate.clear();
351 if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
353 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str());
356 if (parameters.size() == 1)
358 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
362 ModResult MOD_RESULT;
363 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
365 bool SkipAccessChecks = false;
367 if (!IS_LOCAL(user) || ServerInstance->ULine(user->server) || MOD_RESULT == MOD_RES_ALLOW)
368 SkipAccessChecks = true;
369 else if (MOD_RESULT == MOD_RES_DENY)
372 if (targetuser && !SkipAccessChecks && user != targetuser)
374 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
378 std::string mode_sequence = parameters[1];
380 std::string output_mode;
381 std::ostringstream output_parameters;
382 LastParseParams.push_back(output_mode);
383 LastParseTranslate.push_back(TR_TEXT);
386 char output_pm = '\0'; // current output state, '+' or '-'
387 unsigned int param_at = 2;
389 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
391 unsigned char modechar = *letter;
392 if (modechar == '+' || modechar == '-')
394 adding = (modechar == '+');
398 ModeHandler *mh = this->FindMode(modechar, type);
401 /* No mode handler? Unknown mode character then. */
402 user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
406 std::string parameter;
407 int pcnt = mh->GetNumParams(adding);
408 if (pcnt && param_at == parameters.size())
410 /* No parameter, continue to the next mode */
411 mh->OnParameterMissing(user, targetuser, targetchannel);
416 parameter = parameters[param_at++];
417 /* Make sure the user isn't trying to slip in an invalid parameter */
418 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
420 if (merge && targetchannel && targetchannel->IsModeSet(modechar) && !mh->IsListMode())
422 std::string ours = targetchannel->GetModeParameter(modechar);
423 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
424 /* we won the mode merge, don't apply this mode */
429 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
431 if (ma != MODEACTION_ALLOW)
434 char needed_pm = adding ? '+' : '-';
435 if (needed_pm != output_pm)
437 output_pm = needed_pm;
438 output_mode.append(1, output_pm);
440 output_mode.append(1, modechar);
444 TranslateType tt = mh->GetTranslateType();
447 User* u = ServerInstance->FindNick(parameter);
451 output_parameters << " " << parameter;
452 LastParseParams.push_back(parameter);
453 LastParseTranslate.push_back(tt);
456 if ( (output_mode.length() + output_parameters.str().length() > 450)
457 || (output_mode.length() > 100)
458 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
460 /* mode sequence is getting too long */
465 LastParseParams[0] = output_mode;
467 if (!output_mode.empty())
469 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
470 LastParse.append(" ");
471 LastParse.append(output_mode);
472 LastParse.append(output_parameters.str());
476 targetchannel->WriteChannel(user, "MODE %s", LastParse.c_str());
477 FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, LastParseParams, LastParseTranslate));
481 targetuser->WriteFrom(user, "MODE %s", LastParse.c_str());
482 FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, LastParseParams, LastParseTranslate));
485 else if (targetchannel && parameters.size() == 2)
487 /* Special case for displaying the list for listmodes,
488 * e.g. MODE #chan b, or MODE #chan +b without a parameter
490 this->DisplayListModes(user, targetchannel, mode_sequence);
494 void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
498 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
500 unsigned char mletter = *letter;
504 /* Ensure the user doesnt request the same mode twice,
505 * so they cant flood themselves off out of idiocy.
507 if (sent[mletter] == seq)
512 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
514 if (!mh || !mh->IsListMode())
517 ModResult MOD_RESULT;
518 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0));
519 if (MOD_RESULT == MOD_RES_DENY)
523 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
525 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You do not have access to view the +%c list",
526 user->nick.c_str(), chan->name.c_str(), mletter);
530 unsigned char handler_id = (mletter - 'A') | MASK_CHANNEL;
532 for(ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
534 std::string dummyparam;
536 if (!((*watchers)->BeforeMode(user, NULL, chan, dummyparam, true)))
540 mh->DisplayList(user, chan);
542 mh->DisplayEmptyList(user, chan);
546 const std::string& ModeParser::GetLastParse()
551 void ModeParser::CleanMask(std::string &mask)
553 std::string::size_type pos_of_pling = mask.find_first_of('!');
554 std::string::size_type pos_of_at = mask.find_first_of('@');
555 std::string::size_type pos_of_dot = mask.find_first_of('.');
556 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
558 if (mask.length() >= 2 && mask[1] == ':')
559 return; // if it's an extban, don't even try guess how it needs to be formed.
561 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
563 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
564 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
566 /* It has no '.' in it, it must be a nick. */
571 /* Got a dot in it? Has to be a host */
572 mask = "*!*@" + mask;
575 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
577 /* Has an @ but no !, its a user@host */
580 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
582 /* Has a ! but no @, it must be a nick!ident */
587 bool ModeParser::AddMode(ModeHandler* mh)
589 unsigned char mask = 0;
590 unsigned char pos = 0;
592 /* Yes, i know, this might let people declare modes like '_' or '^'.
593 * If they do that, thats their problem, and if i ever EVER see an
594 * official InspIRCd developer do that, i'll beat them with a paddle!
596 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z') || (mh->GetPrefix() > 126))
599 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
600 * A mode prefix of ':' will fuck up both server to server, and client to server.
601 * A mode prefix of '#' will mess up /whois and /privmsg
603 if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#'))
606 if (mh->GetPrefix() && FindPrefix(mh->GetPrefix()))
609 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
610 pos = (mh->GetModeChar()-65) | mask;
612 if (modehandlers[pos])
615 modehandlers[pos] = mh;
616 RecreateModeListFor004Numeric();
620 bool ModeParser::DelMode(ModeHandler* mh)
622 unsigned char mask = 0;
623 unsigned char pos = 0;
625 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
628 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
629 pos = (mh->GetModeChar()-65) | mask;
631 if (modehandlers[pos] != mh)
634 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
635 * To stack here we have to make the algorithm slower. Discuss.
637 switch (mh->GetModeType())
640 for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); )
642 User* user = i->second;
644 mh->RemoveMode(user);
647 case MODETYPE_CHANNEL:
648 for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); )
650 // The channel may not be in the hash after RemoveMode(), see m_permchannels
651 Channel* chan = i->second;
654 irc::modestacker stack(false);
655 mh->RemoveMode(chan, stack);
657 std::vector<std::string> stackresult;
658 stackresult.push_back(chan->name);
659 while (stack.GetStackedLine(stackresult))
661 ServerInstance->SendMode(stackresult, ServerInstance->FakeClient);
662 stackresult.erase(stackresult.begin() + 1, stackresult.end());
668 modehandlers[pos] = NULL;
669 RecreateModeListFor004Numeric();
674 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
676 unsigned char mask = 0;
677 unsigned char pos = 0;
679 if ((modeletter < 'A') || (modeletter > 'z'))
682 mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
683 pos = (modeletter-65) | mask;
685 return modehandlers[pos];
688 std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
691 unsigned char mask = ((mt == MODETYPE_CHANNEL) ? MASK_CHANNEL : MASK_USER);
693 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
695 unsigned char pos = (mode-65) | mask;
697 if ((modehandlers[pos]) && ((!needparam) || (modehandlers[pos]->GetNumParams(true))))
698 modestr.push_back(mode);
704 void ModeParser::RecreateModeListFor004Numeric()
706 Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
709 ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
711 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
713 unsigned char pos = (mode-65) | MASK_CHANNEL;
715 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
717 return modehandlers[pos];
723 std::string ModeParser::GiveModeList(ModeMasks m)
725 std::string type1; /* Listmodes EXCEPT those with a prefix */
726 std::string type2; /* Modes that take a param when adding or removing */
727 std::string type3; /* Modes that only take a param when adding */
728 std::string type4; /* Modes that dont take a param */
730 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
732 unsigned char pos = (mode-65) | m;
733 /* One parameter when adding */
734 if (modehandlers[pos])
736 if (modehandlers[pos]->GetNumParams(true))
738 if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
740 type1 += modehandlers[pos]->GetModeChar();
744 /* ... and one parameter when removing */
745 if (modehandlers[pos]->GetNumParams(false))
747 /* But not a list mode */
748 if (!modehandlers[pos]->GetPrefix())
750 type2 += modehandlers[pos]->GetModeChar();
755 /* No parameters when removing */
756 type3 += modehandlers[pos]->GetModeChar();
762 type4 += modehandlers[pos]->GetModeChar();
767 return type1 + "," + type2 + "," + type3 + "," + type4;
770 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
772 std::string mletters;
773 std::string mprefixes;
774 std::map<int,std::pair<char,char> > prefixes;
776 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
778 unsigned char pos = (mode-65) | MASK_CHANNEL;
780 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix()))
782 prefixes[modehandlers[pos]->GetPrefixRank()] = std::make_pair(
783 modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetModeChar());
787 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
789 mletters = mletters + n->second.first;
790 mprefixes = mprefixes + n->second.second;
793 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
796 bool ModeParser::AddModeWatcher(ModeWatcher* mw)
798 unsigned char mask = 0;
799 unsigned char pos = 0;
804 if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
807 mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
808 pos = (mw->GetModeChar()-65) | mask;
810 modewatchers[pos].push_back(mw);
815 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
817 unsigned char mask = 0;
818 unsigned char pos = 0;
823 if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
826 mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
827 pos = (mw->GetModeChar()-65) | mask;
829 ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
831 if (a == modewatchers[pos].end())
836 modewatchers[pos].erase(a);
841 void ModeHandler::RemoveMode(User* user)
843 // Remove the mode if it's set on the user
844 if (user->IsModeSet(this->GetModeChar()))
846 std::vector<std::string> parameters;
847 parameters.push_back(user->nick);
848 parameters.push_back("-");
849 parameters[1].push_back(this->GetModeChar());
850 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient);
854 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack)
856 if (this->GetPrefixRank())
858 RemovePrefixMode(channel, stack);
860 else if (channel->IsModeSet(this->GetModeChar()))
862 if (this->GetNumParams(false))
863 // Removing this mode requires a parameter
864 stack.Push(this->GetModeChar(), channel->GetModeParameter(this->GetModeChar()));
866 stack.Push(this->GetModeChar());
870 void ModeHandler::RemovePrefixMode(Channel* chan, irc::modestacker& stack)
872 const UserMembList* userlist = chan->GetUsers();
873 for (UserMembCIter i = userlist->begin(); i != userlist->end(); ++i)
875 if (i->second->hasMode(this->GetModeChar()))
876 stack.Push(this->GetModeChar(), i->first->nick);
883 ModeChannelPrivate p;
884 ModeChannelModerated m;
885 ModeChannelTopicOps t;
887 ModeChannelNoExternal n;
888 ModeChannelInviteOnly i;
897 ModeUserInvisible ui;
899 ModeUserServerNoticeMask us;
903 ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
904 &uw, &ui, &uo, &us };
905 ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
909 static builtin_modes static_modes;
911 void ModeParser::InitBuiltinModes()
914 static_modes.b.DoRehash();
917 ModeParser::ModeParser()
919 /* Clear mode handler list */
920 memset(modehandlers, 0, sizeof(modehandlers));
922 /* Last parse string */
926 memset(&sent, 0, sizeof(sent));
929 ModeParser::~ModeParser()