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)
186 : ModeHandler(Creator, Name, ModeLetter, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_PREFIX)
187 , prefix(0), prefixrank(0)
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();
379 if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
381 user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", target.c_str());
384 if (parameters.size() == 1)
386 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
390 ModResult MOD_RESULT;
391 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
393 bool SkipAccessChecks = false;
395 if (!IS_LOCAL(user) || MOD_RESULT == MOD_RES_ALLOW)
396 SkipAccessChecks = true;
397 else if (MOD_RESULT == MOD_RES_DENY)
400 if (targetuser && !SkipAccessChecks && user != targetuser)
402 user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't change mode for other users");
406 std::string mode_sequence = parameters[1];
408 std::string output_mode;
409 std::ostringstream output_parameters;
410 LastParseParams.push_back(output_mode);
411 LastParseTranslate.push_back(TR_TEXT);
414 char output_pm = '\0'; // current output state, '+' or '-'
415 unsigned int param_at = 2;
417 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
419 unsigned char modechar = *letter;
420 if (modechar == '+' || modechar == '-')
422 adding = (modechar == '+');
426 ModeHandler *mh = this->FindMode(modechar, type);
429 /* No mode handler? Unknown mode character then. */
430 user->WriteNumeric(type == MODETYPE_CHANNEL ? ERR_UNKNOWNMODE : ERR_UNKNOWNSNOMASK, "%c :is unknown mode char to me", modechar);
434 std::string parameter;
435 int pcnt = mh->GetNumParams(adding);
436 if (pcnt && param_at == parameters.size())
438 /* No parameter, continue to the next mode */
439 mh->OnParameterMissing(user, targetuser, targetchannel);
444 parameter = parameters[param_at++];
445 /* Make sure the user isn't trying to slip in an invalid parameter */
446 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
448 if ((flags & MODE_MERGE) && targetchannel && targetchannel->IsModeSet(mh) && !mh->IsListMode())
450 std::string ours = targetchannel->GetModeParameter(mh);
451 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
452 /* we won the mode merge, don't apply this mode */
457 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
459 if (ma != MODEACTION_ALLOW)
462 char needed_pm = adding ? '+' : '-';
463 if (needed_pm != output_pm)
465 output_pm = needed_pm;
466 output_mode.append(1, output_pm);
468 output_mode.append(1, modechar);
472 output_parameters << " " << parameter;
473 LastParseParams.push_back(parameter);
474 LastParseTranslate.push_back(mh->GetTranslateType());
477 if ( (output_mode.length() + output_parameters.str().length() > 450)
478 || (output_mode.length() > 100)
479 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
481 /* mode sequence is getting too long */
486 LastParseParams[0] = output_mode;
488 if (!output_mode.empty())
490 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
491 LastParse.append(" ");
492 LastParse.append(output_mode);
493 LastParse.append(output_parameters.str());
495 if (!(flags & MODE_LOCALONLY))
496 ServerInstance->PI->SendMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate);
499 targetchannel->WriteChannel(user, "MODE " + LastParse);
501 targetuser->WriteFrom(user, "MODE " + LastParse);
503 FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastParseParams, LastParseTranslate));
505 else if (targetchannel && parameters.size() == 2)
507 /* Special case for displaying the list for listmodes,
508 * e.g. MODE #chan b, or MODE #chan +b without a parameter
510 this->DisplayListModes(user, targetchannel, mode_sequence);
514 void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
518 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
520 unsigned char mletter = *letter;
524 /* Ensure the user doesnt request the same mode twice,
525 * so they cant flood themselves off out of idiocy.
527 if (sent[mletter] == seq)
532 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
534 if (!mh || !mh->IsListMode())
537 ModResult MOD_RESULT;
538 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mh, "", true));
539 if (MOD_RESULT == MOD_RES_DENY)
543 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
545 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You do not have access to view the +%c list",
546 chan->name.c_str(), mletter);
550 // Ask mode watchers whether it's OK to show the list
551 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
552 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
554 ModeWatcher* mw = i->second;
555 if (mw->GetModeType() == MODETYPE_CHANNEL)
557 std::string dummyparam;
559 if (!mw->BeforeMode(user, NULL, chan, dummyparam, true))
561 // A mode watcher doesn't want us to show the list
569 mh->DisplayList(user, chan);
571 mh->DisplayEmptyList(user, chan);
575 void ModeParser::CleanMask(std::string &mask)
577 std::string::size_type pos_of_pling = mask.find_first_of('!');
578 std::string::size_type pos_of_at = mask.find_first_of('@');
579 std::string::size_type pos_of_dot = mask.find_first_of('.');
580 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
582 if (mask.length() >= 2 && mask[1] == ':')
583 return; // if it's an extban, don't even try guess how it needs to be formed.
585 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
587 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
588 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
590 /* It has no '.' in it, it must be a nick. */
595 /* Got a dot in it? Has to be a host */
596 mask = "*!*@" + mask;
599 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
601 /* Has an @ but no !, its a user@host */
604 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
606 /* Has a ! but no @, it must be a nick!ident */
611 ModeHandler::Id ModeParser::AllocateModeId(ModeType mt)
613 for (ModeHandler::Id i = 0; i != MODEID_MAX; ++i)
615 if (!modehandlersbyid[mt][i])
619 throw ModuleException("Out of ModeIds");
622 void ModeParser::AddMode(ModeHandler* mh)
624 /* Yes, i know, this might let people declare modes like '_' or '^'.
625 * If they do that, thats their problem, and if i ever EVER see an
626 * official InspIRCd developer do that, i'll beat them with a paddle!
628 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
629 throw ModuleException("Invalid letter for mode " + mh->name);
631 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
632 * A mode prefix of ':' will fuck up both server to server, and client to server.
633 * A mode prefix of '#' will mess up /whois and /privmsg
635 PrefixMode* pm = mh->IsPrefixMode();
638 if ((pm->GetPrefix() > 126) || (pm->GetPrefix() == ',') || (pm->GetPrefix() == ':') || (pm->GetPrefix() == '#'))
639 throw ModuleException("Invalid prefix for mode " + mh->name);
641 if (FindPrefix(pm->GetPrefix()))
642 throw ModuleException("Prefix already exists for mode " + mh->name);
645 ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
647 throw ModuleException("Letter is already in use for mode " + mh->name);
649 // The mode needs an id if it is either a user mode, a simple mode (flag) or a parameter mode.
650 // Otherwise (for listmodes and prefix modes) the id remains MODEID_MAX, which is invalid.
651 ModeHandler::Id modeid = MODEID_MAX;
652 if ((mh->GetModeType() == MODETYPE_USER) || (mh->IsParameterMode()) || (!mh->IsListMode()))
653 modeid = AllocateModeId(mh->GetModeType());
655 if (!modehandlersbyname[mh->GetModeType()].insert(std::make_pair(mh->name, mh)).second)
656 throw ModuleException("Mode name already in use: " + mh->name);
658 // Everything is fine, add the mode
660 // If we allocated an id for this mode then save it and put the mode handler into the slot
661 if (modeid != MODEID_MAX)
664 modehandlersbyid[mh->GetModeType()][modeid] = mh;
669 mhlist.prefix.push_back(pm);
670 else if (mh->IsListModeBase())
671 mhlist.list.push_back(mh->IsListModeBase());
673 RecreateModeListFor004Numeric();
676 bool ModeParser::DelMode(ModeHandler* mh)
678 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
681 ModeHandlerMap& mhmap = modehandlersbyname[mh->GetModeType()];
682 ModeHandlerMap::iterator mhmapit = mhmap.find(mh->name);
683 if ((mhmapit == mhmap.end()) || (mhmapit->second != mh))
686 ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
690 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
691 * To stack here we have to make the algorithm slower. Discuss.
693 switch (mh->GetModeType())
697 const user_hash& users = ServerInstance->Users->GetUsers();
698 for (user_hash::const_iterator i = users.begin(); i != users.end(); )
700 User* user = i->second;
702 mh->RemoveMode(user);
706 case MODETYPE_CHANNEL:
708 const chan_hash& chans = ServerInstance->GetChans();
709 for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); )
711 // The channel may not be in the hash after RemoveMode(), see m_permchannels
712 Channel* chan = i->second;
715 irc::modestacker stack(false);
716 mh->RemoveMode(chan, stack);
718 std::vector<std::string> stackresult;
719 stackresult.push_back(chan->name);
720 while (stack.GetStackedLine(stackresult))
722 this->Process(stackresult, ServerInstance->FakeClient, MODE_LOCALONLY);
723 stackresult.erase(stackresult.begin() + 1, stackresult.end());
730 mhmap.erase(mhmapit);
731 if (mh->GetId() != MODEID_MAX)
732 modehandlersbyid[mh->GetModeType()][mh->GetId()] = NULL;
734 if (mh->IsPrefixMode())
735 mhlist.prefix.erase(std::find(mhlist.prefix.begin(), mhlist.prefix.end(), mh->IsPrefixMode()));
736 else if (mh->IsListModeBase())
737 mhlist.list.erase(std::find(mhlist.list.begin(), mhlist.list.end(), mh->IsListModeBase()));
739 RecreateModeListFor004Numeric();
743 ModeHandler* ModeParser::FindMode(const std::string& modename, ModeType mt)
745 ModeHandlerMap& mhmap = modehandlersbyname[mt];
746 ModeHandlerMap::const_iterator it = mhmap.find(modename);
747 if (it != mhmap.end())
753 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
755 if ((modeletter < 'A') || (modeletter > 'z'))
758 return modehandlers[mt][modeletter-65];
761 PrefixMode* ModeParser::FindPrefixMode(unsigned char modeletter)
763 ModeHandler* mh = FindMode(modeletter, MODETYPE_CHANNEL);
766 return mh->IsPrefixMode();
769 std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
773 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
775 ModeHandler* mh = modehandlers[mt][mode-65];
776 if ((mh) && ((!needparam) || (mh->GetNumParams(true))))
777 modestr.push_back(mode);
783 void ModeParser::RecreateModeListFor004Numeric()
785 Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
788 PrefixMode* ModeParser::FindPrefix(unsigned const char pfxletter)
790 const PrefixModeList& list = GetPrefixModes();
791 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
794 if (pm->GetPrefix() == pfxletter)
800 std::string ModeParser::GiveModeList(ModeType mt)
802 std::string type1; /* Listmodes EXCEPT those with a prefix */
803 std::string type2; /* Modes that take a param when adding or removing */
804 std::string type3; /* Modes that only take a param when adding */
805 std::string type4; /* Modes that dont take a param */
807 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
809 ModeHandler* mh = modehandlers[mt][mode-65];
810 /* One parameter when adding */
813 if (mh->GetNumParams(true))
815 PrefixMode* pm = mh->IsPrefixMode();
816 if ((mh->IsListMode()) && ((!pm) || (pm->GetPrefix() == 0)))
818 type1 += mh->GetModeChar();
822 /* ... and one parameter when removing */
823 if (mh->GetNumParams(false))
825 /* But not a list mode */
828 type2 += mh->GetModeChar();
833 /* No parameters when removing */
834 type3 += mh->GetModeChar();
840 type4 += mh->GetModeChar();
845 return type1 + "," + type2 + "," + type3 + "," + type4;
848 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
850 std::string mletters;
851 std::string mprefixes;
852 std::map<int,std::pair<char,char> > prefixes;
854 const PrefixModeList& list = GetPrefixModes();
855 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
859 prefixes[pm->GetPrefixRank()] = std::make_pair(pm->GetPrefix(), pm->GetModeChar());
862 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
864 mletters = mletters + n->second.first;
865 mprefixes = mprefixes + n->second.second;
868 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
871 void ModeParser::AddModeWatcher(ModeWatcher* mw)
873 modewatchermap.insert(std::make_pair(mw->GetModeName(), mw));
876 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
878 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mw->GetModeName());
879 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
883 modewatchermap.erase(i);
891 void ModeHandler::RemoveMode(User* user)
893 // Remove the mode if it's set on the user
894 if (user->IsModeSet(this->GetModeChar()))
896 std::vector<std::string> parameters;
897 parameters.push_back(user->nick);
898 parameters.push_back("-");
899 parameters[1].push_back(this->GetModeChar());
900 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient, ModeParser::MODE_LOCALONLY);
904 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack)
906 if (channel->IsModeSet(this))
908 if (this->GetNumParams(false))
909 // Removing this mode requires a parameter
910 stack.Push(this->GetModeChar(), channel->GetModeParameter(this));
912 stack.Push(this->GetModeChar());
916 void PrefixMode::RemoveMode(Channel* chan, irc::modestacker& stack)
918 const Channel::MemberMap& userlist = chan->GetUsers();
919 for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
921 if (i->second->hasMode(this->GetModeChar()))
922 stack.Push(this->GetModeChar(), i->first->nick);
929 ModeChannelPrivate p;
930 ModeChannelModerated m;
931 ModeChannelTopicOps t;
933 ModeChannelNoExternal n;
934 ModeChannelInviteOnly i;
942 ModeUserInvisible ui;
944 ModeUserServerNoticeMask us;
948 ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
950 ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
954 static builtin_modes static_modes;
956 void ModeParser::InitBuiltinModes()
959 static_modes.b.DoRehash();
962 ModeParser::ModeParser()
964 /* Clear mode handler list */
965 memset(modehandlers, 0, sizeof(modehandlers));
966 memset(modehandlersbyid, 0, sizeof(modehandlersbyid));
969 memset(&sent, 0, sizeof(sent));
972 ModeParser::~ModeParser()