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)
31 , modeid(ModeParser::MODEID_MAX)
32 , parameters_taken(Params)
38 , ranktoset(HALFOP_VALUE)
39 , ranktounset(HALFOP_VALUE)
43 CullResult ModeHandler::cull()
46 ServerInstance->Modes->DelMode(this);
47 return classbase::cull();
50 ModeHandler::~ModeHandler()
54 bool ModeHandler::NeedsParam(bool adding) const
56 switch (parameters_taken)
68 std::string ModeHandler::GetUserParameter(const User* user) const
73 ModResult ModeHandler::AccessCheck(User*, Channel*, std::string &, bool)
75 return MOD_RES_PASSTHRU;
78 ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool)
80 return MODEACTION_DENY;
83 void ModeHandler::DisplayList(User*, Channel*)
87 void ModeHandler::DisplayEmptyList(User*, Channel*)
91 void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel)
95 bool ModeHandler::ResolveModeConflict(std::string& theirs, const std::string& ours, Channel*)
97 return (theirs < ours);
100 void ModeHandler::RegisterService()
102 ServerInstance->Modes.AddMode(this);
103 ServerInstance->Modules.AddReferent((GetModeType() == MODETYPE_CHANNEL ? "mode/" : "umode/") + name, this);
106 ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
108 /* We're either trying to add a mode we already have or
109 remove a mode we don't have, deny. */
110 if (dest->IsModeSet(this) == adding)
111 return MODEACTION_DENY;
113 /* adding will be either true or false, depending on if we
114 are adding or removing the mode, since we already checked
115 to make sure we aren't adding a mode we have or that we
116 aren't removing a mode we don't have, we don't have to do any
117 other checks here to see if it's true or false, just add or
119 dest->SetMode(this, adding);
121 return MODEACTION_ALLOW;
125 ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
127 /* We're either trying to add a mode we already have or
128 remove a mode we don't have, deny. */
129 if (channel->IsModeSet(this) == adding)
130 return MODEACTION_DENY;
132 /* adding will be either true or false, depending on if we
133 are adding or removing the mode, since we already checked
134 to make sure we aren't adding a mode we have or that we
135 aren't removing a mode we don't have, we don't have to do any
136 other checks here to see if it's true or false, just add or
138 channel->SetMode(this, adding);
140 return MODEACTION_ALLOW;
143 ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type)
144 : mode(modename), m_type(type), creator(Creator)
146 ServerInstance->Modes->AddModeWatcher(this);
149 ModeWatcher::~ModeWatcher()
151 ServerInstance->Modes->DelModeWatcher(this);
154 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
159 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool)
163 PrefixMode::PrefixMode(Module* Creator, const std::string& Name, char ModeLetter, unsigned int Rank, char PrefixChar)
164 : ModeHandler(Creator, Name, ModeLetter, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_PREFIX)
172 ModResult PrefixMode::AccessCheck(User* src, Channel*, std::string& value, bool adding)
174 if (!adding && src->nick == value && selfremove)
175 return MOD_RES_ALLOW;
176 return MOD_RES_PASSTHRU;
179 ModeAction PrefixMode::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
182 if (IS_LOCAL(source))
183 target = ServerInstance->FindNickOnly(parameter);
185 target = ServerInstance->FindNick(parameter);
189 source->WriteNumeric(Numerics::NoSuchNick(parameter));
190 return MODEACTION_DENY;
193 Membership* memb = chan->GetUser(target);
195 return MODEACTION_DENY;
197 parameter = target->nick;
198 return (memb->SetPrefix(this, adding) ? MODEACTION_ALLOW : MODEACTION_DENY);
201 void PrefixMode::Update(unsigned int rank, unsigned int setrank, unsigned int unsetrank, bool selfrm)
205 ranktounset = unsetrank;
209 ModeAction ParamModeBase::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
213 if (chan->GetModeParameter(this) == parameter)
214 return MODEACTION_DENY;
216 if (OnSet(source, chan, parameter) != MODEACTION_ALLOW)
217 return MODEACTION_DENY;
219 chan->SetMode(this, true);
221 // Handler might have changed the parameter internally
223 this->GetParameter(chan, parameter);
227 if (!chan->IsModeSet(this))
228 return MODEACTION_DENY;
229 this->OnUnsetInternal(source, chan);
230 chan->SetMode(this, false);
232 return MODEACTION_ALLOW;
235 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, Modes::Change& mcitem, bool SkipACL)
237 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
239 ModeHandler* mh = mcitem.mh;
240 bool adding = mcitem.adding;
241 const bool needs_param = mh->NeedsParam(adding);
243 std::string& parameter = mcitem.param;
244 // crop mode parameter size to 250 characters
245 if (parameter.length() > 250 && adding)
246 parameter.erase(250);
248 ModResult MOD_RESULT;
249 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mh, parameter, adding));
251 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
252 return MODEACTION_DENY;
254 const char modechar = mh->GetModeChar();
256 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
258 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
260 if (MOD_RESULT == MOD_RES_DENY)
261 return MODEACTION_DENY;
262 if (MOD_RESULT == MOD_RES_PASSTHRU)
264 unsigned int neededrank = mh->GetLevelRequired(adding);
265 /* Compare our rank on the channel against the rank of the required prefix,
266 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
267 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
268 * first, so we don't need to iterate, we just look up the first instead.
270 unsigned int ourrank = chan->GetPrefixValue(user);
271 if (ourrank < neededrank)
273 const PrefixMode* neededmh = NULL;
274 const PrefixModeList& prefixmodes = GetPrefixModes();
275 for (PrefixModeList::const_iterator i = prefixmodes.begin(); i != prefixmodes.end(); ++i)
277 const PrefixMode* const privmh = *i;
278 if (privmh->GetPrefixRank() >= neededrank)
280 // this mode is sufficient to allow this action
281 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
286 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, chan->name, InspIRCd::Format("You must have channel %s access or above to %sset channel mode %c",
287 neededmh->name.c_str(), adding ? "" : "un", modechar));
289 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, chan->name, InspIRCd::Format("You cannot %sset channel mode %c", (adding ? "" : "un"), modechar));
290 return MODEACTION_DENY;
295 // Ask mode watchers whether this mode change is OK
296 std::pair<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mh->name);
297 for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
299 ModeWatcher* mw = i->second;
300 if (mw->GetModeType() == type)
302 if (!mw->BeforeMode(user, targetuser, chan, parameter, adding))
303 return MODEACTION_DENY;
305 // A module whacked the parameter completely, and there was one. Abort.
306 if ((needs_param) && (parameter.empty()))
307 return MODEACTION_DENY;
311 if (IS_LOCAL(user) && !user->IsOper())
313 const std::bitset<64>& disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
314 if (disabled.test(modechar - 'A'))
316 user->WriteNumeric(ERR_NOPRIVILEGES, InspIRCd::Format("Permission Denied - %s mode %c has been locked by the administrator",
317 type == MODETYPE_CHANNEL ? "channel" : "user", modechar));
318 return MODEACTION_DENY;
322 if ((adding) && (IS_LOCAL(user)) && (mh->NeedsOper()) && (!user->HasModePermission(mh)))
324 /* It's an oper only mode, and they don't have access to it. */
327 user->WriteNumeric(ERR_NOPRIVILEGES, InspIRCd::Format("Permission Denied - Oper type %s does not have access to set %s mode %c",
328 user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar));
332 user->WriteNumeric(ERR_NOPRIVILEGES, InspIRCd::Format("Permission Denied - Only operators may set %s mode %c",
333 type == MODETYPE_CHANNEL ? "channel" : "user", modechar));
335 return MODEACTION_DENY;
338 /* Call the handler for the mode */
339 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
341 if ((needs_param) && (parameter.empty()))
342 return MODEACTION_DENY;
344 if (ma != MODEACTION_ALLOW)
347 itpair = modewatchermap.equal_range(mh->name);
348 for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
350 ModeWatcher* mw = i->second;
351 if (mw->GetModeType() == type)
352 mw->AfterMode(user, targetuser, chan, parameter, adding);
355 return MODEACTION_ALLOW;
358 void ModeParser::ModeParamsToChangeList(User* user, ModeType type, const std::vector<std::string>& parameters, Modes::ChangeList& changelist, unsigned int beginindex, unsigned int endindex)
360 if (endindex > parameters.size())
361 endindex = parameters.size();
363 const std::string& mode_sequence = parameters[beginindex];
366 unsigned int param_at = beginindex+1;
368 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
370 unsigned char modechar = *letter;
371 if (modechar == '+' || modechar == '-')
373 adding = (modechar == '+');
377 ModeHandler *mh = this->FindMode(modechar, type);
380 /* No mode handler? Unknown mode character then. */
381 user->WriteNumeric(type == MODETYPE_CHANNEL ? ERR_UNKNOWNMODE : ERR_UNKNOWNSNOMASK, modechar, "is unknown mode char to me");
385 std::string parameter;
386 if ((mh->NeedsParam(adding)) && (param_at < endindex))
387 parameter = parameters[param_at++];
389 changelist.push(mh, adding, parameter);
393 static bool IsModeParamValid(User* user, Channel* targetchannel, User* targetuser, const Modes::Change& item)
395 // An empty parameter is never acceptable
396 if (item.param.empty())
398 item.mh->OnParameterMissing(user, targetuser, targetchannel);
402 // The parameter cannot begin with a ':' character or contain a space
403 if ((item.param[0] == ':') || (item.param.find(' ') != std::string::npos))
409 // Returns true if we should apply a merged mode, false if we should skip it
410 static bool ShouldApplyMergedMode(Channel* chan, Modes::Change& item)
412 ModeHandler* mh = item.mh;
413 if ((!chan) || (!chan->IsModeSet(mh)) || (mh->IsListMode()))
414 // Mode not set here or merge is not applicable, apply the incoming mode
417 // Mode handler decides
418 std::string ours = chan->GetModeParameter(mh);
419 return mh->ResolveModeConflict(item.param, ours, chan);
422 void ModeParser::Process(User* user, Channel* targetchannel, User* targetuser, Modes::ChangeList& changelist, ModeProcessFlag flags)
424 // Call ProcessSingle until the entire list is processed, but at least once to ensure
425 // LastParse and LastChangeList are cleared
426 unsigned int processed = 0;
429 unsigned int n = ProcessSingle(user, targetchannel, targetuser, changelist, flags, processed);
432 while (processed < changelist.size());
435 unsigned int ModeParser::ProcessSingle(User* user, Channel* targetchannel, User* targetuser, Modes::ChangeList& changelist, ModeProcessFlag flags, unsigned int beginindex)
438 LastChangeList.clear();
440 unsigned int modes_processed = 0;
441 std::string output_mode;
442 std::string output_parameters;
444 char output_pm = '\0'; // current output state, '+' or '-'
445 Modes::ChangeList::List& list = changelist.getlist();
446 for (Modes::ChangeList::List::iterator i = list.begin()+beginindex; i != list.end(); ++i)
450 Modes::Change& item = *i;
451 ModeHandler* mh = item.mh;
453 // If the mode is supposed to have a parameter then we first take a look at item.param
454 // and, if we were asked to, also handle mode merges now
455 if (mh->NeedsParam(item.adding))
457 // Skip the mode if the parameter does not pass basic validation
458 if (!IsModeParamValid(user, targetchannel, targetuser, item))
461 // If this is a merge and we won we don't apply this mode
462 if ((flags & MODE_MERGE) && (!ShouldApplyMergedMode(targetchannel, item)))
466 ModeAction ma = TryMode(user, targetuser, targetchannel, item, (!(flags & MODE_CHECKACCESS)));
468 if (ma != MODEACTION_ALLOW)
471 char needed_pm = item.adding ? '+' : '-';
472 if (needed_pm != output_pm)
474 output_pm = needed_pm;
475 output_mode.append(1, output_pm);
477 output_mode.push_back(mh->GetModeChar());
479 if (!item.param.empty())
481 output_parameters.push_back(' ');
482 output_parameters.append(item.param);
484 LastChangeList.push(mh, item.adding, item.param);
486 if ((output_mode.length() + output_parameters.length() > 450)
487 || (output_mode.length() > 100)
488 || (LastChangeList.size() >= ServerInstance->Config->Limits.MaxModes))
490 /* mode sequence is getting too long */
495 if (!output_mode.empty())
497 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
498 LastParse.append(" ");
499 LastParse.append(output_mode);
500 LastParse.append(output_parameters);
503 targetchannel->WriteChannel(user, "MODE " + LastParse);
505 targetuser->WriteFrom(user, "MODE " + LastParse);
507 FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastChangeList, flags, output_mode));
510 return modes_processed;
513 void ModeParser::ShowListModeList(User* user, Channel* chan, ModeHandler* mh)
516 ModResult MOD_RESULT;
517 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mh, "", true));
518 if (MOD_RESULT == MOD_RES_DENY)
523 // Ask mode watchers whether it's OK to show the list
524 std::pair<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mh->name);
525 for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
527 ModeWatcher* mw = i->second;
528 if (mw->GetModeType() == MODETYPE_CHANNEL)
530 std::string dummyparam;
532 if (!mw->BeforeMode(user, NULL, chan, dummyparam, true))
534 // A mode watcher doesn't want us to show the list
542 mh->DisplayList(user, chan);
544 mh->DisplayEmptyList(user, chan);
548 void ModeParser::CleanMask(std::string &mask)
550 std::string::size_type pos_of_pling = mask.find_first_of('!');
551 std::string::size_type pos_of_at = mask.find_first_of('@');
552 std::string::size_type pos_of_dot = mask.find_first_of('.');
553 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
555 if (mask.length() >= 2 && mask[1] == ':')
556 return; // if it's an extban, don't even try guess how it needs to be formed.
558 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
560 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
561 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
563 /* It has no '.' in it, it must be a nick. */
568 /* Got a dot in it? Has to be a host */
569 mask = "*!*@" + mask;
572 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
574 /* Has an @ but no !, its a user@host */
577 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
579 /* Has a ! but no @, it must be a nick!ident */
584 ModeHandler::Id ModeParser::AllocateModeId(ModeType mt)
586 for (ModeHandler::Id i = 0; i != MODEID_MAX; ++i)
588 if (!modehandlersbyid[mt][i])
592 throw ModuleException("Out of ModeIds");
595 void ModeParser::AddMode(ModeHandler* mh)
597 if (!ModeParser::IsModeChar(mh->GetModeChar()))
598 throw ModuleException("Invalid letter for mode " + mh->name);
600 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
601 * A mode prefix of ':' will fuck up both server to server, and client to server.
602 * A mode prefix of '#' will mess up /whois and /privmsg
604 PrefixMode* pm = mh->IsPrefixMode();
607 if ((pm->GetPrefix() > 126) || (pm->GetPrefix() == ',') || (pm->GetPrefix() == ':') || (pm->GetPrefix() == '#'))
608 throw ModuleException("Invalid prefix for mode " + mh->name);
610 if (FindPrefix(pm->GetPrefix()))
611 throw ModuleException("Prefix already exists for mode " + mh->name);
614 ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
616 throw ModuleException("Letter is already in use for mode " + mh->name);
618 // The mode needs an id if it is either a user mode, a simple mode (flag) or a parameter mode.
619 // Otherwise (for listmodes and prefix modes) the id remains MODEID_MAX, which is invalid.
620 ModeHandler::Id modeid = MODEID_MAX;
621 if ((mh->GetModeType() == MODETYPE_USER) || (mh->IsParameterMode()) || (!mh->IsListMode()))
622 modeid = AllocateModeId(mh->GetModeType());
624 if (!modehandlersbyname[mh->GetModeType()].insert(std::make_pair(mh->name, mh)).second)
625 throw ModuleException("Mode name already in use: " + mh->name);
627 // Everything is fine, add the mode
629 // If we allocated an id for this mode then save it and put the mode handler into the slot
630 if (modeid != MODEID_MAX)
633 modehandlersbyid[mh->GetModeType()][modeid] = mh;
638 mhlist.prefix.push_back(pm);
639 else if (mh->IsListModeBase())
640 mhlist.list.push_back(mh->IsListModeBase());
642 RecreateModeListFor004Numeric();
645 bool ModeParser::DelMode(ModeHandler* mh)
647 if (!ModeParser::IsModeChar(mh->GetModeChar()))
650 ModeHandlerMap& mhmap = modehandlersbyname[mh->GetModeType()];
651 ModeHandlerMap::iterator mhmapit = mhmap.find(mh->name);
652 if ((mhmapit == mhmap.end()) || (mhmapit->second != mh))
655 ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
659 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
660 * To stack here we have to make the algorithm slower. Discuss.
662 switch (mh->GetModeType())
666 const user_hash& users = ServerInstance->Users->GetUsers();
667 for (user_hash::const_iterator i = users.begin(); i != users.end(); )
669 User* user = i->second;
671 mh->RemoveMode(user);
675 case MODETYPE_CHANNEL:
677 const chan_hash& chans = ServerInstance->GetChans();
678 for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); )
680 // The channel may not be in the hash after RemoveMode(), see m_permchannels
681 Channel* chan = i->second;
684 Modes::ChangeList changelist;
685 mh->RemoveMode(chan, changelist);
686 this->Process(ServerInstance->FakeClient, chan, NULL, changelist, MODE_LOCALONLY);
692 mhmap.erase(mhmapit);
693 if (mh->GetId() != MODEID_MAX)
694 modehandlersbyid[mh->GetModeType()][mh->GetId()] = NULL;
696 if (mh->IsPrefixMode())
697 mhlist.prefix.erase(std::find(mhlist.prefix.begin(), mhlist.prefix.end(), mh->IsPrefixMode()));
698 else if (mh->IsListModeBase())
699 mhlist.list.erase(std::find(mhlist.list.begin(), mhlist.list.end(), mh->IsListModeBase()));
701 RecreateModeListFor004Numeric();
705 ModeHandler* ModeParser::FindMode(const std::string& modename, ModeType mt)
707 ModeHandlerMap& mhmap = modehandlersbyname[mt];
708 ModeHandlerMap::const_iterator it = mhmap.find(modename);
709 if (it != mhmap.end())
715 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
717 if (!ModeParser::IsModeChar(modeletter))
720 return modehandlers[mt][modeletter-65];
723 PrefixMode* ModeParser::FindPrefixMode(unsigned char modeletter)
725 ModeHandler* mh = FindMode(modeletter, MODETYPE_CHANNEL);
728 return mh->IsPrefixMode();
731 std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
735 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
737 ModeHandler* mh = modehandlers[mt][mode-65];
738 if ((mh) && ((!needparam) || (mh->NeedsParam(true))))
739 modestr.push_back(mode);
745 void ModeParser::RecreateModeListFor004Numeric()
747 Cached004ModeList[0] = CreateModeList(MODETYPE_USER);
748 Cached004ModeList[1] = CreateModeList(MODETYPE_CHANNEL);
749 Cached004ModeList[2] = CreateModeList(MODETYPE_CHANNEL, true);
752 PrefixMode* ModeParser::FindPrefix(unsigned const char pfxletter)
754 const PrefixModeList& list = GetPrefixModes();
755 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
758 if (pm->GetPrefix() == pfxletter)
764 std::string ModeParser::GiveModeList(ModeType mt)
766 std::string type1; /* Listmodes EXCEPT those with a prefix */
767 std::string type2; /* Modes that take a param when adding or removing */
768 std::string type3; /* Modes that only take a param when adding */
769 std::string type4; /* Modes that dont take a param */
771 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
773 ModeHandler* mh = modehandlers[mt][mode-65];
774 /* One parameter when adding */
777 if (mh->NeedsParam(true))
779 PrefixMode* pm = mh->IsPrefixMode();
780 if ((mh->IsListMode()) && ((!pm) || (pm->GetPrefix() == 0)))
782 type1 += mh->GetModeChar();
786 /* ... and one parameter when removing */
787 if (mh->NeedsParam(false))
789 /* But not a list mode */
792 type2 += mh->GetModeChar();
797 /* No parameters when removing */
798 type3 += mh->GetModeChar();
804 type4 += mh->GetModeChar();
809 return type1 + "," + type2 + "," + type3 + "," + type4;
812 struct PrefixModeSorter
814 bool operator()(PrefixMode* lhs, PrefixMode* rhs)
816 return lhs->GetPrefixRank() < rhs->GetPrefixRank();
820 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
822 std::string mletters;
823 std::string mprefixes;
824 std::vector<PrefixMode*> prefixes;
826 const PrefixModeList& list = GetPrefixModes();
827 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
831 prefixes.push_back(pm);
834 std::sort(prefixes.begin(), prefixes.end(), PrefixModeSorter());
835 for (std::vector<PrefixMode*>::const_reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); ++n)
837 mletters += (*n)->GetPrefix();
838 mprefixes += (*n)->GetModeChar();
841 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
844 void ModeParser::AddModeWatcher(ModeWatcher* mw)
846 modewatchermap.insert(std::make_pair(mw->GetModeName(), mw));
849 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
851 std::pair<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mw->GetModeName());
852 for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
856 modewatchermap.erase(i);
864 void ModeHandler::RemoveMode(User* user)
866 // Remove the mode if it's set on the user
867 if (user->IsModeSet(this->GetModeChar()))
869 Modes::ChangeList changelist;
870 changelist.push_remove(this);
871 ServerInstance->Modes->Process(ServerInstance->FakeClient, NULL, user, changelist, ModeParser::MODE_LOCALONLY);
875 void ModeHandler::RemoveMode(Channel* channel, Modes::ChangeList& changelist)
877 if (channel->IsModeSet(this))
879 if (this->NeedsParam(false))
880 // Removing this mode requires a parameter
881 changelist.push_remove(this, channel->GetModeParameter(this));
883 changelist.push_remove(this);
887 void PrefixMode::RemoveMode(Channel* chan, Modes::ChangeList& changelist)
889 const Channel::MemberMap& userlist = chan->GetUsers();
890 for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
892 if (i->second->HasMode(this))
893 changelist.push_remove(this, i->first->nick);
899 SimpleChannelModeHandler s;
900 SimpleChannelModeHandler p;
901 SimpleChannelModeHandler m;
902 SimpleChannelModeHandler t;
904 SimpleChannelModeHandler n;
905 SimpleChannelModeHandler i;
913 SimpleUserModeHandler ui;
915 ModeUserServerNoticeMask us;
918 : s(NULL, "secret", 's')
919 , p(NULL, "private", 'p')
920 , m(NULL, "moderated", 'm')
921 , t(NULL, "topiclock", 't')
922 , n(NULL, "noextmsg", 'n')
923 , i(NULL, "inviteonly", 'i')
924 , ui(NULL, "invisible", 'i')
930 ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
932 ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
936 static builtin_modes static_modes;
938 void ModeParser::InitBuiltinModes()
941 static_modes.b.DoRehash();
944 bool ModeParser::IsModeChar(char chr)
946 return ((chr >= 'A' && chr <= 'Z') || (chr >= 'a' && chr <= 'z'));
949 ModeParser::ModeParser()
951 /* Clear mode handler list */
952 memset(modehandlers, 0, sizeof(modehandlers));
953 memset(modehandlersbyid, 0, sizeof(modehandlersbyid));
956 ModeParser::~ModeParser()