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, Class mclass)
30 : ServiceProvider(Creator, Name, SERVICE_MODE), modeid(ModeParser::MODEID_MAX), m_paramtype(TR_TEXT),
31 parameters_taken(Params), mode(modeletter), oper(false),
32 list(false), m_type(type), type_id(mclass), levelrequired(HALFOP_VALUE)
36 CullResult ModeHandler::cull()
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) == 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, 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) == 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, adding);
127 return MODEACTION_ALLOW;
130 ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type)
131 : mode(modename), m_type(type), creator(Creator)
133 ServerInstance->Modes->AddModeWatcher(this);
136 ModeWatcher::~ModeWatcher()
138 ServerInstance->Modes->DelModeWatcher(this);
141 ModeType ModeWatcher::GetModeType()
146 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
151 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool)
155 void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
159 /* Display channel's current mode string */
160 user->WriteNumeric(RPL_CHANNELMODEIS, "%s +%s", targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
161 user->WriteNumeric(RPL_CHANNELCREATED, "%s %lu", targetchannel->name.c_str(), (unsigned long)targetchannel->age);
166 if (targetuser == user || user->HasPrivPermission("users/auspex"))
168 /* Display user's current mode string */
169 user->WriteNumeric(RPL_UMODEIS, ":+%s", targetuser->FormatModes());
170 if ((targetuser->IsOper()))
172 ModeHandler* snomask = FindMode('s', MODETYPE_USER);
173 user->WriteNumeric(RPL_SNOMASKIS, "%s :Server notice mask", snomask->GetUserParameter(user).c_str());
179 user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't view modes for other users");
185 PrefixMode::PrefixMode(Module* Creator, const std::string& Name, char ModeLetter, unsigned int Rank, char PrefixChar)
186 : ModeHandler(Creator, Name, ModeLetter, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_PREFIX)
187 , prefix(PrefixChar), prefixrank(Rank)
190 m_paramtype = TR_NICK;
193 ModeAction PrefixMode::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
196 if (IS_LOCAL(source))
197 target = ServerInstance->FindNickOnly(parameter);
199 target = ServerInstance->FindNick(parameter);
203 source->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameter.c_str());
204 return MODEACTION_DENY;
207 Membership* memb = chan->GetUser(target);
209 return MODEACTION_DENY;
211 parameter = target->nick;
212 return (memb->SetPrefix(this, adding) ? MODEACTION_ALLOW : MODEACTION_DENY);
215 ModeAction ParamModeBase::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
219 if (chan->GetModeParameter(this) == parameter)
220 return MODEACTION_DENY;
222 if (OnSet(source, chan, parameter) != MODEACTION_ALLOW)
223 return MODEACTION_DENY;
225 chan->SetMode(this, true);
227 // Handler might have changed the parameter internally
229 this->GetParameter(chan, parameter);
233 if (!chan->IsModeSet(this))
234 return MODEACTION_DENY;
235 this->OnUnsetInternal(source, chan);
236 chan->SetMode(this, false);
238 return MODEACTION_ALLOW;
241 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
242 std::string ¶meter, bool SkipACL)
244 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
246 ModeHandler *mh = FindMode(modechar, type);
247 int pcnt = mh->GetNumParams(adding);
249 // crop mode parameter size to 250 characters
250 if (parameter.length() > 250 && adding)
251 parameter = parameter.substr(0, 250);
253 ModResult MOD_RESULT;
254 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mh, parameter, adding));
256 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
257 return MODEACTION_DENY;
259 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
261 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
263 if (MOD_RESULT == MOD_RES_DENY)
264 return MODEACTION_DENY;
265 if (MOD_RESULT == MOD_RES_PASSTHRU)
267 unsigned int neededrank = mh->GetLevelRequired();
268 /* Compare our rank on the channel against the rank of the required prefix,
269 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
270 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
271 * first, so we don't need to iterate, we just look up the first instead.
273 unsigned int ourrank = chan->GetPrefixValue(user);
274 if (ourrank < neededrank)
276 PrefixMode* neededmh = NULL;
277 for(char c='A'; c <= 'z'; c++)
279 PrefixMode* privmh = FindPrefixMode(c);
280 if (privmh && privmh->GetPrefixRank() >= neededrank)
282 // this mode is sufficient to allow this action
283 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
288 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You must have channel %s access or above to %sset channel mode %c",
289 chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
291 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You cannot %sset channel mode %c",
292 chan->name.c_str(), adding ? "" : "un", modechar);
293 return MODEACTION_DENY;
298 // Ask mode watchers whether this mode change is OK
299 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
300 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
302 ModeWatcher* mw = i->second;
303 if (mw->GetModeType() == type)
305 if (!mw->BeforeMode(user, targetuser, chan, parameter, adding))
306 return MODEACTION_DENY;
308 // A module whacked the parameter completely, and there was one. Abort.
309 if (pcnt && parameter.empty())
310 return MODEACTION_DENY;
314 if (IS_LOCAL(user) && !user->IsOper())
316 char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
317 if (disabled[modechar - 'A'])
319 user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - %s mode %c has been locked by the administrator",
320 type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
321 return MODEACTION_DENY;
325 if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
327 /* It's an oper only mode, and they don't have access to it. */
330 user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - Oper type %s does not have access to set %s mode %c",
331 user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
335 user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - Only operators may set %s mode %c",
336 type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
338 return MODEACTION_DENY;
341 /* Call the handler for the mode */
342 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
344 if (pcnt && parameter.empty())
345 return MODEACTION_DENY;
347 if (ma != MODEACTION_ALLOW)
350 itpair = modewatchermap.equal_range(mh->name);
351 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
353 ModeWatcher* mw = i->second;
354 if (mw->GetModeType() == type)
355 mw->AfterMode(user, targetuser, chan, parameter, adding);
358 return MODEACTION_ALLOW;
361 void ModeParser::Process(const std::vector<std::string>& parameters, User* user, ModeProcessFlag flags)
363 const std::string& target = parameters[0];
364 Channel* targetchannel = ServerInstance->FindChan(target);
365 User* targetuser = NULL;
369 targetuser = ServerInstance->FindNickOnly(target);
371 targetuser = ServerInstance->FindNick(target);
373 ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
376 LastParseParams.clear();
377 LastParseTranslate.clear();
378 LastChangeList.clear();
380 if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
382 user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", target.c_str());
385 if (parameters.size() == 1)
387 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
391 ModResult MOD_RESULT;
392 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
394 bool SkipAccessChecks = false;
396 if (!IS_LOCAL(user) || MOD_RESULT == MOD_RES_ALLOW)
397 SkipAccessChecks = true;
398 else if (MOD_RESULT == MOD_RES_DENY)
401 if (targetuser && !SkipAccessChecks && user != targetuser)
403 user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't change mode for other users");
407 const std::string& mode_sequence = parameters[1];
409 std::string output_mode;
410 std::string output_parameters;
411 LastParseParams.push_back(output_mode);
412 LastParseTranslate.push_back(TR_TEXT);
415 char output_pm = '\0'; // current output state, '+' or '-'
416 unsigned int param_at = 2;
418 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
420 unsigned char modechar = *letter;
421 if (modechar == '+' || modechar == '-')
423 adding = (modechar == '+');
427 ModeHandler *mh = this->FindMode(modechar, type);
430 /* No mode handler? Unknown mode character then. */
431 user->WriteNumeric(type == MODETYPE_CHANNEL ? ERR_UNKNOWNMODE : ERR_UNKNOWNSNOMASK, "%c :is unknown mode char to me", modechar);
435 std::string parameter;
436 int pcnt = mh->GetNumParams(adding);
437 if (pcnt && param_at == parameters.size())
439 /* No parameter, continue to the next mode */
440 mh->OnParameterMissing(user, targetuser, targetchannel);
445 parameter = parameters[param_at++];
446 /* Make sure the user isn't trying to slip in an invalid parameter */
447 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
449 if ((flags & MODE_MERGE) && targetchannel && targetchannel->IsModeSet(mh) && !mh->IsListMode())
451 std::string ours = targetchannel->GetModeParameter(mh);
452 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
453 /* we won the mode merge, don't apply this mode */
458 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
460 if (ma != MODEACTION_ALLOW)
463 char needed_pm = adding ? '+' : '-';
464 if (needed_pm != output_pm)
466 output_pm = needed_pm;
467 output_mode.append(1, output_pm);
469 output_mode.append(1, modechar);
473 output_parameters.push_back(' ');
474 output_parameters.append(parameter);
475 LastParseParams.push_back(parameter);
476 LastParseTranslate.push_back(mh->GetTranslateType());
478 LastChangeList.push(mh, adding, parameter);
480 if ((output_mode.length() + output_parameters.length() > 450)
481 || (output_mode.length() > 100)
482 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
484 /* mode sequence is getting too long */
489 LastParseParams[0] = output_mode;
491 if (!output_mode.empty())
493 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
494 LastParse.append(" ");
495 LastParse.append(output_mode);
496 LastParse.append(output_parameters);
498 if (!(flags & MODE_LOCALONLY))
499 ServerInstance->PI->SendMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate);
502 targetchannel->WriteChannel(user, "MODE " + LastParse);
504 targetuser->WriteFrom(user, "MODE " + LastParse);
506 FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastChangeList, flags, output_mode));
508 else if (targetchannel && parameters.size() == 2)
510 /* Special case for displaying the list for listmodes,
511 * e.g. MODE #chan b, or MODE #chan +b without a parameter
513 this->DisplayListModes(user, targetchannel, mode_sequence);
517 void ModeParser::DisplayListModes(User* user, Channel* chan, const std::string& mode_sequence)
521 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
523 unsigned char mletter = *letter;
527 /* Ensure the user doesnt request the same mode twice,
528 * so they cant flood themselves off out of idiocy.
530 if (sent[mletter] == seq)
535 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
537 if (!mh || !mh->IsListMode())
540 ModResult MOD_RESULT;
541 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mh, "", true));
542 if (MOD_RESULT == MOD_RES_DENY)
546 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
548 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You do not have access to view the +%c list",
549 chan->name.c_str(), mletter);
553 // Ask mode watchers whether it's OK to show the list
554 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
555 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
557 ModeWatcher* mw = i->second;
558 if (mw->GetModeType() == MODETYPE_CHANNEL)
560 std::string dummyparam;
562 if (!mw->BeforeMode(user, NULL, chan, dummyparam, true))
564 // A mode watcher doesn't want us to show the list
572 mh->DisplayList(user, chan);
574 mh->DisplayEmptyList(user, chan);
578 void ModeParser::CleanMask(std::string &mask)
580 std::string::size_type pos_of_pling = mask.find_first_of('!');
581 std::string::size_type pos_of_at = mask.find_first_of('@');
582 std::string::size_type pos_of_dot = mask.find_first_of('.');
583 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
585 if (mask.length() >= 2 && mask[1] == ':')
586 return; // if it's an extban, don't even try guess how it needs to be formed.
588 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
590 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
591 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
593 /* It has no '.' in it, it must be a nick. */
598 /* Got a dot in it? Has to be a host */
599 mask = "*!*@" + mask;
602 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
604 /* Has an @ but no !, its a user@host */
607 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
609 /* Has a ! but no @, it must be a nick!ident */
614 ModeHandler::Id ModeParser::AllocateModeId(ModeType mt)
616 for (ModeHandler::Id i = 0; i != MODEID_MAX; ++i)
618 if (!modehandlersbyid[mt][i])
622 throw ModuleException("Out of ModeIds");
625 void ModeParser::AddMode(ModeHandler* mh)
627 /* Yes, i know, this might let people declare modes like '_' or '^'.
628 * If they do that, thats their problem, and if i ever EVER see an
629 * official InspIRCd developer do that, i'll beat them with a paddle!
631 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
632 throw ModuleException("Invalid letter for mode " + mh->name);
634 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
635 * A mode prefix of ':' will fuck up both server to server, and client to server.
636 * A mode prefix of '#' will mess up /whois and /privmsg
638 PrefixMode* pm = mh->IsPrefixMode();
641 if ((pm->GetPrefix() > 126) || (pm->GetPrefix() == ',') || (pm->GetPrefix() == ':') || (pm->GetPrefix() == '#'))
642 throw ModuleException("Invalid prefix for mode " + mh->name);
644 if (FindPrefix(pm->GetPrefix()))
645 throw ModuleException("Prefix already exists for mode " + mh->name);
648 ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
650 throw ModuleException("Letter is already in use for mode " + mh->name);
652 // The mode needs an id if it is either a user mode, a simple mode (flag) or a parameter mode.
653 // Otherwise (for listmodes and prefix modes) the id remains MODEID_MAX, which is invalid.
654 ModeHandler::Id modeid = MODEID_MAX;
655 if ((mh->GetModeType() == MODETYPE_USER) || (mh->IsParameterMode()) || (!mh->IsListMode()))
656 modeid = AllocateModeId(mh->GetModeType());
658 if (!modehandlersbyname[mh->GetModeType()].insert(std::make_pair(mh->name, mh)).second)
659 throw ModuleException("Mode name already in use: " + mh->name);
661 // Everything is fine, add the mode
663 // If we allocated an id for this mode then save it and put the mode handler into the slot
664 if (modeid != MODEID_MAX)
667 modehandlersbyid[mh->GetModeType()][modeid] = mh;
672 mhlist.prefix.push_back(pm);
673 else if (mh->IsListModeBase())
674 mhlist.list.push_back(mh->IsListModeBase());
676 RecreateModeListFor004Numeric();
679 bool ModeParser::DelMode(ModeHandler* mh)
681 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
684 ModeHandlerMap& mhmap = modehandlersbyname[mh->GetModeType()];
685 ModeHandlerMap::iterator mhmapit = mhmap.find(mh->name);
686 if ((mhmapit == mhmap.end()) || (mhmapit->second != mh))
689 ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
693 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
694 * To stack here we have to make the algorithm slower. Discuss.
696 switch (mh->GetModeType())
700 const user_hash& users = ServerInstance->Users->GetUsers();
701 for (user_hash::const_iterator i = users.begin(); i != users.end(); )
703 User* user = i->second;
705 mh->RemoveMode(user);
709 case MODETYPE_CHANNEL:
711 const chan_hash& chans = ServerInstance->GetChans();
712 for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); )
714 // The channel may not be in the hash after RemoveMode(), see m_permchannels
715 Channel* chan = i->second;
718 irc::modestacker stack(false);
719 mh->RemoveMode(chan, stack);
721 std::vector<std::string> stackresult;
722 stackresult.push_back(chan->name);
723 while (stack.GetStackedLine(stackresult))
725 this->Process(stackresult, ServerInstance->FakeClient, MODE_LOCALONLY);
726 stackresult.erase(stackresult.begin() + 1, stackresult.end());
733 mhmap.erase(mhmapit);
734 if (mh->GetId() != MODEID_MAX)
735 modehandlersbyid[mh->GetModeType()][mh->GetId()] = NULL;
737 if (mh->IsPrefixMode())
738 mhlist.prefix.erase(std::find(mhlist.prefix.begin(), mhlist.prefix.end(), mh->IsPrefixMode()));
739 else if (mh->IsListModeBase())
740 mhlist.list.erase(std::find(mhlist.list.begin(), mhlist.list.end(), mh->IsListModeBase()));
742 RecreateModeListFor004Numeric();
746 ModeHandler* ModeParser::FindMode(const std::string& modename, ModeType mt)
748 ModeHandlerMap& mhmap = modehandlersbyname[mt];
749 ModeHandlerMap::const_iterator it = mhmap.find(modename);
750 if (it != mhmap.end())
756 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
758 if ((modeletter < 'A') || (modeletter > 'z'))
761 return modehandlers[mt][modeletter-65];
764 PrefixMode* ModeParser::FindPrefixMode(unsigned char modeletter)
766 ModeHandler* mh = FindMode(modeletter, MODETYPE_CHANNEL);
769 return mh->IsPrefixMode();
772 std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
776 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
778 ModeHandler* mh = modehandlers[mt][mode-65];
779 if ((mh) && ((!needparam) || (mh->GetNumParams(true))))
780 modestr.push_back(mode);
786 void ModeParser::RecreateModeListFor004Numeric()
788 Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
791 PrefixMode* ModeParser::FindPrefix(unsigned const char pfxletter)
793 const PrefixModeList& list = GetPrefixModes();
794 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
797 if (pm->GetPrefix() == pfxletter)
803 std::string ModeParser::GiveModeList(ModeType mt)
805 std::string type1; /* Listmodes EXCEPT those with a prefix */
806 std::string type2; /* Modes that take a param when adding or removing */
807 std::string type3; /* Modes that only take a param when adding */
808 std::string type4; /* Modes that dont take a param */
810 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
812 ModeHandler* mh = modehandlers[mt][mode-65];
813 /* One parameter when adding */
816 if (mh->GetNumParams(true))
818 PrefixMode* pm = mh->IsPrefixMode();
819 if ((mh->IsListMode()) && ((!pm) || (pm->GetPrefix() == 0)))
821 type1 += mh->GetModeChar();
825 /* ... and one parameter when removing */
826 if (mh->GetNumParams(false))
828 /* But not a list mode */
831 type2 += mh->GetModeChar();
836 /* No parameters when removing */
837 type3 += mh->GetModeChar();
843 type4 += mh->GetModeChar();
848 return type1 + "," + type2 + "," + type3 + "," + type4;
851 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
853 std::string mletters;
854 std::string mprefixes;
855 std::map<int,std::pair<char,char> > prefixes;
857 const PrefixModeList& list = GetPrefixModes();
858 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
862 prefixes[pm->GetPrefixRank()] = std::make_pair(pm->GetPrefix(), pm->GetModeChar());
865 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
867 mletters = mletters + n->second.first;
868 mprefixes = mprefixes + n->second.second;
871 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
874 void ModeParser::AddModeWatcher(ModeWatcher* mw)
876 modewatchermap.insert(std::make_pair(mw->GetModeName(), mw));
879 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
881 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mw->GetModeName());
882 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
886 modewatchermap.erase(i);
894 void ModeHandler::RemoveMode(User* user)
896 // Remove the mode if it's set on the user
897 if (user->IsModeSet(this->GetModeChar()))
899 std::vector<std::string> parameters;
900 parameters.push_back(user->nick);
901 parameters.push_back("-");
902 parameters[1].push_back(this->GetModeChar());
903 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient, ModeParser::MODE_LOCALONLY);
907 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack)
909 if (channel->IsModeSet(this))
911 if (this->GetNumParams(false))
912 // Removing this mode requires a parameter
913 stack.Push(this->GetModeChar(), channel->GetModeParameter(this));
915 stack.Push(this->GetModeChar());
919 void PrefixMode::RemoveMode(Channel* chan, irc::modestacker& stack)
921 const Channel::MemberMap& userlist = chan->GetUsers();
922 for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
924 if (i->second->hasMode(this->GetModeChar()))
925 stack.Push(this->GetModeChar(), i->first->nick);
931 SimpleChannelModeHandler s;
932 SimpleChannelModeHandler p;
933 SimpleChannelModeHandler m;
934 SimpleChannelModeHandler t;
936 SimpleChannelModeHandler n;
937 SimpleChannelModeHandler i;
945 SimpleUserModeHandler ui;
947 ModeUserServerNoticeMask us;
950 : s(NULL, "secret", 's')
951 , p(NULL, "private", 'p')
952 , m(NULL, "moderated", 'm')
953 , t(NULL, "topiclock", 't')
954 , n(NULL, "noextmsg", 'n')
955 , i(NULL, "inviteonly", 'i')
956 , ui(NULL, "invisible", 'i')
962 ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
964 ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
968 static builtin_modes static_modes;
970 void ModeParser::InitBuiltinModes()
973 static_modes.b.DoRehash();
976 ModeParser::ModeParser()
978 /* Clear mode handler list */
979 memset(modehandlers, 0, sizeof(modehandlers));
980 memset(modehandlersbyid, 0, sizeof(modehandlersbyid));
983 memset(&sent, 0, sizeof(sent));
986 ModeParser::~ModeParser()