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), prefixrank(0)
36 CullResult ModeHandler::cull()
38 if (ServerInstance->Modes)
39 ServerInstance->Modes->DelMode(this);
40 return classbase::cull();
43 ModeHandler::~ModeHandler()
47 int ModeHandler::GetNumParams(bool adding)
49 switch (parameters_taken)
54 return adding ? 1 : 0;
61 std::string ModeHandler::GetUserParameter(User* user)
66 ModResult ModeHandler::AccessCheck(User*, Channel*, std::string &, bool)
68 return MOD_RES_PASSTHRU;
71 ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool)
73 return MODEACTION_DENY;
76 void ModeHandler::DisplayList(User*, Channel*)
80 void ModeHandler::DisplayEmptyList(User*, Channel*)
84 void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel)
88 bool ModeHandler::ResolveModeConflict(std::string& theirs, const std::string& ours, Channel*)
90 return (theirs < ours);
93 ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
95 /* We're either trying to add a mode we already have or
96 remove a mode we don't have, deny. */
97 if (dest->IsModeSet(this->GetModeChar()) == adding)
98 return MODEACTION_DENY;
100 /* adding will be either true or false, depending on if we
101 are adding or removing the mode, since we already checked
102 to make sure we aren't adding a mode we have or that we
103 aren't removing a mode we don't have, we don't have to do any
104 other checks here to see if it's true or false, just add or
106 dest->SetMode(this->GetModeChar(), adding);
108 return MODEACTION_ALLOW;
112 ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
114 /* We're either trying to add a mode we already have or
115 remove a mode we don't have, deny. */
116 if (channel->IsModeSet(this->GetModeChar()) == adding)
117 return MODEACTION_DENY;
119 /* adding will be either true or false, depending on if we
120 are adding or removing the mode, since we already checked
121 to make sure we aren't adding a mode we have or that we
122 aren't removing a mode we don't have, we don't have to do any
123 other checks here to see if it's true or false, just add or
125 channel->SetMode(this->GetModeChar(), adding);
127 return MODEACTION_ALLOW;
130 ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
132 if (adding && !ParamValidate(parameter))
133 return MODEACTION_DENY;
134 std::string now = channel->GetModeParameter(this);
135 if (parameter == now)
136 return MODEACTION_DENY;
138 channel->SetModeParam(this, parameter);
140 channel->SetModeParam(this, "");
141 return MODEACTION_ALLOW;
144 bool ParamChannelModeHandler::ParamValidate(std::string& parameter)
149 ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type)
150 : mode(modename), m_type(type), creator(Creator)
154 ModeWatcher::~ModeWatcher()
158 ModeType ModeWatcher::GetModeType()
163 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
168 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool)
172 void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
176 /* Display channel's current mode string */
177 user->WriteNumeric(RPL_CHANNELMODEIS, "%s %s +%s",user->nick.c_str(), targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
178 user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age);
183 if (targetuser == user || user->HasPrivPermission("users/auspex"))
185 /* Display user's current mode string */
186 user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes());
187 if ((targetuser->IsOper()))
188 user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks().c_str());
193 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str());
199 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
200 std::string ¶meter, bool SkipACL)
202 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
204 ModeHandler *mh = FindMode(modechar, type);
205 int pcnt = mh->GetNumParams(adding);
207 // crop mode parameter size to 250 characters
208 if (parameter.length() > 250 && adding)
209 parameter = parameter.substr(0, 250);
211 ModResult MOD_RESULT;
212 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));
214 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
215 return MODEACTION_DENY;
217 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
219 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
221 if (MOD_RESULT == MOD_RES_DENY)
222 return MODEACTION_DENY;
223 if (MOD_RESULT == MOD_RES_PASSTHRU)
225 unsigned int neededrank = mh->GetLevelRequired();
226 /* Compare our rank on the channel against the rank of the required prefix,
227 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
228 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
229 * first, so we don't need to iterate, we just look up the first instead.
231 unsigned int ourrank = chan->GetPrefixValue(user);
232 if (ourrank < neededrank)
234 ModeHandler* neededmh = NULL;
235 for(char c='A'; c <= 'z'; c++)
237 ModeHandler *privmh = FindMode(c, MODETYPE_CHANNEL);
238 if (privmh && privmh->GetPrefixRank() >= neededrank)
240 // this mode is sufficient to allow this action
241 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
246 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel %s access or above to %sset channel mode %c",
247 user->nick.c_str(), chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
249 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You cannot %sset channel mode %c",
250 user->nick.c_str(), chan->name.c_str(), adding ? "" : "un", modechar);
251 return MODEACTION_DENY;
256 // Ask mode watchers whether this mode change is OK
257 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
258 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
260 ModeWatcher* mw = i->second;
261 if (mw->GetModeType() == type)
263 if (!mw->BeforeMode(user, targetuser, chan, parameter, adding))
264 return MODEACTION_DENY;
266 // A module whacked the parameter completely, and there was one. Abort.
267 if (pcnt && parameter.empty())
268 return MODEACTION_DENY;
272 if (IS_LOCAL(user) && !user->IsOper())
274 char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
275 if (disabled[modechar - 'A'])
277 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
278 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
279 return MODEACTION_DENY;
283 if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
285 /* It's an oper only mode, and they don't have access to it. */
288 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
289 user->nick.c_str(), user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
293 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
294 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
296 return MODEACTION_DENY;
299 if (mh->GetTranslateType() == TR_NICK && !ServerInstance->FindNick(parameter))
301 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameter.c_str());
302 return MODEACTION_DENY;
305 if (mh->GetPrefixRank() && chan)
307 User* user_to_prefix = ServerInstance->FindNick(parameter);
309 return MODEACTION_DENY;
310 if (!chan->SetPrefix(user_to_prefix, modechar, adding))
311 return MODEACTION_DENY;
314 /* Call the handler for the mode */
315 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
317 if (pcnt && parameter.empty())
318 return MODEACTION_DENY;
320 if (ma != MODEACTION_ALLOW)
323 itpair = modewatchermap.equal_range(mh->name);
324 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
326 ModeWatcher* mw = i->second;
327 if (mw->GetModeType() == type)
328 mw->AfterMode(user, targetuser, chan, parameter, adding);
331 return MODEACTION_ALLOW;
334 void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool merge)
336 std::string target = parameters[0];
337 Channel* targetchannel = ServerInstance->FindChan(target);
338 User* targetuser = ServerInstance->FindNick(target);
339 ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
342 LastParseParams.clear();
343 LastParseTranslate.clear();
345 if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
347 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str());
350 if (parameters.size() == 1)
352 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
356 ModResult MOD_RESULT;
357 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
359 bool SkipAccessChecks = false;
361 if (!IS_LOCAL(user) || ServerInstance->ULine(user->server) || MOD_RESULT == MOD_RES_ALLOW)
362 SkipAccessChecks = true;
363 else if (MOD_RESULT == MOD_RES_DENY)
366 if (targetuser && !SkipAccessChecks && user != targetuser)
368 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
372 std::string mode_sequence = parameters[1];
374 std::string output_mode;
375 std::ostringstream output_parameters;
376 LastParseParams.push_back(output_mode);
377 LastParseTranslate.push_back(TR_TEXT);
380 char output_pm = '\0'; // current output state, '+' or '-'
381 unsigned int param_at = 2;
383 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
385 unsigned char modechar = *letter;
386 if (modechar == '+' || modechar == '-')
388 adding = (modechar == '+');
392 ModeHandler *mh = this->FindMode(modechar, type);
395 /* No mode handler? Unknown mode character then. */
396 user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
400 std::string parameter;
401 int pcnt = mh->GetNumParams(adding);
402 if (pcnt && param_at == parameters.size())
404 /* No parameter, continue to the next mode */
405 mh->OnParameterMissing(user, targetuser, targetchannel);
410 parameter = parameters[param_at++];
411 /* Make sure the user isn't trying to slip in an invalid parameter */
412 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
414 if (merge && targetchannel && targetchannel->IsModeSet(modechar) && !mh->IsListMode())
416 std::string ours = targetchannel->GetModeParameter(modechar);
417 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
418 /* we won the mode merge, don't apply this mode */
423 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
425 if (ma != MODEACTION_ALLOW)
428 char needed_pm = adding ? '+' : '-';
429 if (needed_pm != output_pm)
431 output_pm = needed_pm;
432 output_mode.append(1, output_pm);
434 output_mode.append(1, modechar);
438 TranslateType tt = mh->GetTranslateType();
441 User* u = ServerInstance->FindNick(parameter);
445 output_parameters << " " << parameter;
446 LastParseParams.push_back(parameter);
447 LastParseTranslate.push_back(tt);
450 if ( (output_mode.length() + output_parameters.str().length() > 450)
451 || (output_mode.length() > 100)
452 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
454 /* mode sequence is getting too long */
459 LastParseParams[0] = output_mode;
461 if (!output_mode.empty())
463 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
464 LastParse.append(" ");
465 LastParse.append(output_mode);
466 LastParse.append(output_parameters.str());
470 targetchannel->WriteChannel(user, "MODE %s", LastParse.c_str());
471 FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, LastParseParams, LastParseTranslate));
475 targetuser->WriteFrom(user, "MODE %s", LastParse.c_str());
476 FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, LastParseParams, LastParseTranslate));
479 else if (targetchannel && parameters.size() == 2)
481 /* Special case for displaying the list for listmodes,
482 * e.g. MODE #chan b, or MODE #chan +b without a parameter
484 this->DisplayListModes(user, targetchannel, mode_sequence);
488 void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
492 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
494 unsigned char mletter = *letter;
498 /* Ensure the user doesnt request the same mode twice,
499 * so they cant flood themselves off out of idiocy.
501 if (sent[mletter] == seq)
506 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
508 if (!mh || !mh->IsListMode())
511 ModResult MOD_RESULT;
512 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0));
513 if (MOD_RESULT == MOD_RES_DENY)
517 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
519 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You do not have access to view the +%c list",
520 user->nick.c_str(), chan->name.c_str(), mletter);
524 // Ask mode watchers whether it's OK to show the list
525 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
526 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
528 ModeWatcher* mw = i->second;
529 if (mw->GetModeType() == MODETYPE_CHANNEL)
531 std::string dummyparam;
533 if (!mw->BeforeMode(user, NULL, chan, dummyparam, true))
535 // A mode watcher doesn't want us to show the list
543 mh->DisplayList(user, chan);
545 mh->DisplayEmptyList(user, chan);
549 void ModeParser::CleanMask(std::string &mask)
551 std::string::size_type pos_of_pling = mask.find_first_of('!');
552 std::string::size_type pos_of_at = mask.find_first_of('@');
553 std::string::size_type pos_of_dot = mask.find_first_of('.');
554 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
556 if (mask.length() >= 2 && mask[1] == ':')
557 return; // if it's an extban, don't even try guess how it needs to be formed.
559 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
561 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
562 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
564 /* It has no '.' in it, it must be a nick. */
569 /* Got a dot in it? Has to be a host */
570 mask = "*!*@" + mask;
573 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
575 /* Has an @ but no !, its a user@host */
578 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
580 /* Has a ! but no @, it must be a nick!ident */
585 bool ModeParser::AddMode(ModeHandler* mh)
587 unsigned char mask = 0;
588 unsigned char pos = 0;
590 /* Yes, i know, this might let people declare modes like '_' or '^'.
591 * If they do that, thats their problem, and if i ever EVER see an
592 * official InspIRCd developer do that, i'll beat them with a paddle!
594 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z') || (mh->GetPrefix() > 126))
597 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
598 * A mode prefix of ':' will fuck up both server to server, and client to server.
599 * A mode prefix of '#' will mess up /whois and /privmsg
601 if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#'))
604 if (mh->GetPrefix() && FindPrefix(mh->GetPrefix()))
607 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
608 pos = (mh->GetModeChar()-65) | mask;
610 if (modehandlers[pos])
613 modehandlers[pos] = mh;
614 RecreateModeListFor004Numeric();
618 bool ModeParser::DelMode(ModeHandler* mh)
620 unsigned char mask = 0;
621 unsigned char pos = 0;
623 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
626 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
627 pos = (mh->GetModeChar()-65) | mask;
629 if (modehandlers[pos] != mh)
632 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
633 * To stack here we have to make the algorithm slower. Discuss.
635 switch (mh->GetModeType())
638 for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); )
640 User* user = i->second;
642 mh->RemoveMode(user);
645 case MODETYPE_CHANNEL:
646 for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); )
648 // The channel may not be in the hash after RemoveMode(), see m_permchannels
649 Channel* chan = i->second;
652 irc::modestacker stack(false);
653 mh->RemoveMode(chan, stack);
655 std::vector<std::string> stackresult;
656 stackresult.push_back(chan->name);
657 while (stack.GetStackedLine(stackresult))
659 ServerInstance->SendMode(stackresult, ServerInstance->FakeClient);
660 stackresult.erase(stackresult.begin() + 1, stackresult.end());
666 modehandlers[pos] = NULL;
667 RecreateModeListFor004Numeric();
672 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
674 unsigned char mask = 0;
675 unsigned char pos = 0;
677 if ((modeletter < 'A') || (modeletter > 'z'))
680 mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
681 pos = (modeletter-65) | mask;
683 return modehandlers[pos];
686 std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
689 unsigned char mask = ((mt == MODETYPE_CHANNEL) ? MASK_CHANNEL : MASK_USER);
691 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
693 unsigned char pos = (mode-65) | mask;
695 if ((modehandlers[pos]) && ((!needparam) || (modehandlers[pos]->GetNumParams(true))))
696 modestr.push_back(mode);
702 void ModeParser::RecreateModeListFor004Numeric()
704 Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
707 ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
709 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
711 unsigned char pos = (mode-65) | MASK_CHANNEL;
713 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
715 return modehandlers[pos];
721 std::string ModeParser::GiveModeList(ModeMasks m)
723 std::string type1; /* Listmodes EXCEPT those with a prefix */
724 std::string type2; /* Modes that take a param when adding or removing */
725 std::string type3; /* Modes that only take a param when adding */
726 std::string type4; /* Modes that dont take a param */
728 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
730 unsigned char pos = (mode-65) | m;
731 /* One parameter when adding */
732 if (modehandlers[pos])
734 if (modehandlers[pos]->GetNumParams(true))
736 if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
738 type1 += modehandlers[pos]->GetModeChar();
742 /* ... and one parameter when removing */
743 if (modehandlers[pos]->GetNumParams(false))
745 /* But not a list mode */
746 if (!modehandlers[pos]->GetPrefix())
748 type2 += modehandlers[pos]->GetModeChar();
753 /* No parameters when removing */
754 type3 += modehandlers[pos]->GetModeChar();
760 type4 += modehandlers[pos]->GetModeChar();
765 return type1 + "," + type2 + "," + type3 + "," + type4;
768 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
770 std::string mletters;
771 std::string mprefixes;
772 std::map<int,std::pair<char,char> > prefixes;
774 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
776 unsigned char pos = (mode-65) | MASK_CHANNEL;
778 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix()))
780 prefixes[modehandlers[pos]->GetPrefixRank()] = std::make_pair(
781 modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetModeChar());
785 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
787 mletters = mletters + n->second.first;
788 mprefixes = mprefixes + n->second.second;
791 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
794 void ModeParser::AddModeWatcher(ModeWatcher* mw)
796 modewatchermap.insert(std::make_pair(mw->GetModeName(), mw));
799 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
801 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mw->GetModeName());
802 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
806 modewatchermap.erase(i);
814 void ModeHandler::RemoveMode(User* user)
816 // Remove the mode if it's set on the user
817 if (user->IsModeSet(this->GetModeChar()))
819 std::vector<std::string> parameters;
820 parameters.push_back(user->nick);
821 parameters.push_back("-");
822 parameters[1].push_back(this->GetModeChar());
823 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient);
827 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack)
829 if (this->GetPrefixRank())
831 RemovePrefixMode(channel, stack);
833 else if (channel->IsModeSet(this->GetModeChar()))
835 if (this->GetNumParams(false))
836 // Removing this mode requires a parameter
837 stack.Push(this->GetModeChar(), channel->GetModeParameter(this->GetModeChar()));
839 stack.Push(this->GetModeChar());
843 void ModeHandler::RemovePrefixMode(Channel* chan, irc::modestacker& stack)
845 const UserMembList* userlist = chan->GetUsers();
846 for (UserMembCIter i = userlist->begin(); i != userlist->end(); ++i)
848 if (i->second->hasMode(this->GetModeChar()))
849 stack.Push(this->GetModeChar(), i->first->nick);
856 ModeChannelPrivate p;
857 ModeChannelModerated m;
858 ModeChannelTopicOps t;
860 ModeChannelNoExternal n;
861 ModeChannelInviteOnly i;
870 ModeUserInvisible ui;
872 ModeUserServerNoticeMask us;
876 ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
877 &uw, &ui, &uo, &us };
878 ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
882 static builtin_modes static_modes;
884 void ModeParser::InitBuiltinModes()
887 static_modes.b.DoRehash();
890 ModeParser::ModeParser()
892 /* Clear mode handler list */
893 memset(modehandlers, 0, sizeof(modehandlers));
895 /* Last parse string */
899 memset(&sent, 0, sizeof(sent));
902 ModeParser::~ModeParser()