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), 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()
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) == 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 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;
137 return MODEACTION_ALLOW;
140 bool ParamChannelModeHandler::ParamValidate(std::string& parameter)
145 ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type)
146 : mode(modename), m_type(type), creator(Creator)
148 ServerInstance->Modes->AddModeWatcher(this);
151 ModeWatcher::~ModeWatcher()
153 ServerInstance->Modes->DelModeWatcher(this);
156 ModeType ModeWatcher::GetModeType()
161 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
166 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool)
170 void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
174 /* Display channel's current mode string */
175 user->WriteNumeric(RPL_CHANNELMODEIS, "%s +%s", targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
176 user->WriteNumeric(RPL_CHANNELCREATED, "%s %lu", targetchannel->name.c_str(), (unsigned long)targetchannel->age);
181 if (targetuser == user || user->HasPrivPermission("users/auspex"))
183 /* Display user's current mode string */
184 user->WriteNumeric(RPL_UMODEIS, ":+%s", targetuser->FormatModes());
185 if ((targetuser->IsOper()))
187 ModeHandler* snomask = FindMode('s', MODETYPE_USER);
188 user->WriteNumeric(RPL_SNOMASKIS, "%s :Server notice mask", snomask->GetUserParameter(user).c_str());
194 user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't view modes for other users");
200 PrefixMode::PrefixMode(Module* Creator, const std::string& Name, char ModeLetter)
201 : ModeHandler(Creator, Name, ModeLetter, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_PREFIX)
202 , prefix(0), prefixrank(0)
205 m_paramtype = TR_NICK;
208 ModeAction PrefixMode::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
211 if (IS_LOCAL(source))
212 target = ServerInstance->FindNickOnly(parameter);
214 target = ServerInstance->FindNick(parameter);
218 source->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameter.c_str());
219 return MODEACTION_DENY;
222 Membership* memb = chan->GetUser(target);
224 return MODEACTION_DENY;
226 parameter = target->nick;
227 return (memb->SetPrefix(this, adding) ? MODEACTION_ALLOW : MODEACTION_DENY);
230 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
231 std::string ¶meter, bool SkipACL)
233 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
235 ModeHandler *mh = FindMode(modechar, type);
236 int pcnt = mh->GetNumParams(adding);
238 // crop mode parameter size to 250 characters
239 if (parameter.length() > 250 && adding)
240 parameter = parameter.substr(0, 250);
242 ModResult MOD_RESULT;
243 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));
245 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
246 return MODEACTION_DENY;
248 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
250 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
252 if (MOD_RESULT == MOD_RES_DENY)
253 return MODEACTION_DENY;
254 if (MOD_RESULT == MOD_RES_PASSTHRU)
256 unsigned int neededrank = mh->GetLevelRequired();
257 /* Compare our rank on the channel against the rank of the required prefix,
258 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
259 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
260 * first, so we don't need to iterate, we just look up the first instead.
262 unsigned int ourrank = chan->GetPrefixValue(user);
263 if (ourrank < neededrank)
265 PrefixMode* neededmh = NULL;
266 for(char c='A'; c <= 'z'; c++)
268 PrefixMode* privmh = FindPrefixMode(c);
269 if (privmh && privmh->GetPrefixRank() >= neededrank)
271 // this mode is sufficient to allow this action
272 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
277 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You must have channel %s access or above to %sset channel mode %c",
278 chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
280 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You cannot %sset channel mode %c",
281 chan->name.c_str(), adding ? "" : "un", modechar);
282 return MODEACTION_DENY;
287 // Ask mode watchers whether this mode change is OK
288 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
289 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
291 ModeWatcher* mw = i->second;
292 if (mw->GetModeType() == type)
294 if (!mw->BeforeMode(user, targetuser, chan, parameter, adding))
295 return MODEACTION_DENY;
297 // A module whacked the parameter completely, and there was one. Abort.
298 if (pcnt && parameter.empty())
299 return MODEACTION_DENY;
303 if (IS_LOCAL(user) && !user->IsOper())
305 char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
306 if (disabled[modechar - 'A'])
308 user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - %s mode %c has been locked by the administrator",
309 type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
310 return MODEACTION_DENY;
314 if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
316 /* It's an oper only mode, and they don't have access to it. */
319 user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - Oper type %s does not have access to set %s mode %c",
320 user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
324 user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - Only operators may set %s mode %c",
325 type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
327 return MODEACTION_DENY;
330 /* Call the handler for the mode */
331 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
333 if (pcnt && parameter.empty())
334 return MODEACTION_DENY;
336 if (ma != MODEACTION_ALLOW)
339 if ((!mh->IsListMode()) && (mh->GetNumParams(true)) && (chan))
340 chan->SetModeParam(mh, (adding ? parameter : ""));
342 itpair = modewatchermap.equal_range(mh->name);
343 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
345 ModeWatcher* mw = i->second;
346 if (mw->GetModeType() == type)
347 mw->AfterMode(user, targetuser, chan, parameter, adding);
350 return MODEACTION_ALLOW;
353 void ModeParser::Process(const std::vector<std::string>& parameters, User* user, ModeProcessFlag flags)
355 const std::string& target = parameters[0];
356 Channel* targetchannel = ServerInstance->FindChan(target);
357 User* targetuser = NULL;
361 targetuser = ServerInstance->FindNickOnly(target);
363 targetuser = ServerInstance->FindNick(target);
365 ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
368 LastParseParams.clear();
369 LastParseTranslate.clear();
371 if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
373 user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", target.c_str());
376 if (parameters.size() == 1)
378 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
382 ModResult MOD_RESULT;
383 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
385 bool SkipAccessChecks = false;
387 if (!IS_LOCAL(user) || MOD_RESULT == MOD_RES_ALLOW)
388 SkipAccessChecks = true;
389 else if (MOD_RESULT == MOD_RES_DENY)
392 if (targetuser && !SkipAccessChecks && user != targetuser)
394 user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't change mode for other users");
398 std::string mode_sequence = parameters[1];
400 std::string output_mode;
401 std::ostringstream output_parameters;
402 LastParseParams.push_back(output_mode);
403 LastParseTranslate.push_back(TR_TEXT);
406 char output_pm = '\0'; // current output state, '+' or '-'
407 unsigned int param_at = 2;
409 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
411 unsigned char modechar = *letter;
412 if (modechar == '+' || modechar == '-')
414 adding = (modechar == '+');
418 ModeHandler *mh = this->FindMode(modechar, type);
421 /* No mode handler? Unknown mode character then. */
422 user->WriteNumeric(type == MODETYPE_CHANNEL ? ERR_UNKNOWNMODE : ERR_UNKNOWNSNOMASK, "%c :is unknown mode char to me", modechar);
426 std::string parameter;
427 int pcnt = mh->GetNumParams(adding);
428 if (pcnt && param_at == parameters.size())
430 /* No parameter, continue to the next mode */
431 mh->OnParameterMissing(user, targetuser, targetchannel);
436 parameter = parameters[param_at++];
437 /* Make sure the user isn't trying to slip in an invalid parameter */
438 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
440 if ((flags & MODE_MERGE) && targetchannel && targetchannel->IsModeSet(mh) && !mh->IsListMode())
442 std::string ours = targetchannel->GetModeParameter(mh);
443 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
444 /* we won the mode merge, don't apply this mode */
449 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
451 if (ma != MODEACTION_ALLOW)
454 char needed_pm = adding ? '+' : '-';
455 if (needed_pm != output_pm)
457 output_pm = needed_pm;
458 output_mode.append(1, output_pm);
460 output_mode.append(1, modechar);
464 output_parameters << " " << parameter;
465 LastParseParams.push_back(parameter);
466 LastParseTranslate.push_back(mh->GetTranslateType());
469 if ( (output_mode.length() + output_parameters.str().length() > 450)
470 || (output_mode.length() > 100)
471 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
473 /* mode sequence is getting too long */
478 LastParseParams[0] = output_mode;
480 if (!output_mode.empty())
482 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
483 LastParse.append(" ");
484 LastParse.append(output_mode);
485 LastParse.append(output_parameters.str());
487 if (!(flags & MODE_LOCALONLY))
488 ServerInstance->PI->SendMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate);
491 targetchannel->WriteChannel(user, "MODE " + LastParse);
493 targetuser->WriteFrom(user, "MODE " + LastParse);
495 FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastParseParams, LastParseTranslate));
497 else if (targetchannel && parameters.size() == 2)
499 /* Special case for displaying the list for listmodes,
500 * e.g. MODE #chan b, or MODE #chan +b without a parameter
502 this->DisplayListModes(user, targetchannel, mode_sequence);
506 void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
510 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
512 unsigned char mletter = *letter;
516 /* Ensure the user doesnt request the same mode twice,
517 * so they cant flood themselves off out of idiocy.
519 if (sent[mletter] == seq)
524 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
526 if (!mh || !mh->IsListMode())
529 ModResult MOD_RESULT;
530 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0));
531 if (MOD_RESULT == MOD_RES_DENY)
535 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
537 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You do not have access to view the +%c list",
538 chan->name.c_str(), mletter);
542 // Ask mode watchers whether it's OK to show the list
543 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
544 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
546 ModeWatcher* mw = i->second;
547 if (mw->GetModeType() == MODETYPE_CHANNEL)
549 std::string dummyparam;
551 if (!mw->BeforeMode(user, NULL, chan, dummyparam, true))
553 // A mode watcher doesn't want us to show the list
561 mh->DisplayList(user, chan);
563 mh->DisplayEmptyList(user, chan);
567 void ModeParser::CleanMask(std::string &mask)
569 std::string::size_type pos_of_pling = mask.find_first_of('!');
570 std::string::size_type pos_of_at = mask.find_first_of('@');
571 std::string::size_type pos_of_dot = mask.find_first_of('.');
572 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
574 if (mask.length() >= 2 && mask[1] == ':')
575 return; // if it's an extban, don't even try guess how it needs to be formed.
577 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
579 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
580 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
582 /* It has no '.' in it, it must be a nick. */
587 /* Got a dot in it? Has to be a host */
588 mask = "*!*@" + mask;
591 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
593 /* Has an @ but no !, its a user@host */
596 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
598 /* Has a ! but no @, it must be a nick!ident */
603 bool ModeParser::AddMode(ModeHandler* mh)
605 unsigned char mask = 0;
606 unsigned char pos = 0;
608 /* Yes, i know, this might let people declare modes like '_' or '^'.
609 * If they do that, thats their problem, and if i ever EVER see an
610 * official InspIRCd developer do that, i'll beat them with a paddle!
612 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
615 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
616 * A mode prefix of ':' will fuck up both server to server, and client to server.
617 * A mode prefix of '#' will mess up /whois and /privmsg
619 PrefixMode* pm = mh->IsPrefixMode();
622 if ((pm->GetPrefix() > 126) || (pm->GetPrefix() == ',') || (pm->GetPrefix() == ':') || (pm->GetPrefix() == '#'))
625 if (FindPrefix(pm->GetPrefix()))
629 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
630 pos = (mh->GetModeChar()-65) | mask;
632 if (modehandlers[pos])
635 // Everything is fine, add the mode
636 modehandlers[pos] = mh;
638 mhlist.prefix.push_back(pm);
639 else if (mh->IsListModeBase())
640 mhlist.list.push_back(mh->IsListModeBase());
642 RecreateModeListFor004Numeric();
646 bool ModeParser::DelMode(ModeHandler* mh)
648 unsigned char mask = 0;
649 unsigned char pos = 0;
651 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
654 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
655 pos = (mh->GetModeChar()-65) | mask;
657 if (modehandlers[pos] != mh)
660 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
661 * To stack here we have to make the algorithm slower. Discuss.
663 switch (mh->GetModeType())
666 for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); )
668 User* user = i->second;
670 mh->RemoveMode(user);
673 case MODETYPE_CHANNEL:
674 for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); )
676 // The channel may not be in the hash after RemoveMode(), see m_permchannels
677 Channel* chan = i->second;
680 irc::modestacker stack(false);
681 mh->RemoveMode(chan, stack);
683 std::vector<std::string> stackresult;
684 stackresult.push_back(chan->name);
685 while (stack.GetStackedLine(stackresult))
687 this->Process(stackresult, ServerInstance->FakeClient, MODE_LOCALONLY);
688 stackresult.erase(stackresult.begin() + 1, stackresult.end());
694 modehandlers[pos] = NULL;
695 if (mh->IsPrefixMode())
696 mhlist.prefix.erase(std::find(mhlist.prefix.begin(), mhlist.prefix.end(), mh->IsPrefixMode()));
697 else if (mh->IsListModeBase())
698 mhlist.list.erase(std::find(mhlist.list.begin(), mhlist.list.end(), mh->IsListModeBase()));
700 RecreateModeListFor004Numeric();
704 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
706 unsigned char mask = 0;
707 unsigned char pos = 0;
709 if ((modeletter < 'A') || (modeletter > 'z'))
712 mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
713 pos = (modeletter-65) | mask;
715 return modehandlers[pos];
718 PrefixMode* ModeParser::FindPrefixMode(unsigned char modeletter)
720 ModeHandler* mh = FindMode(modeletter, MODETYPE_CHANNEL);
723 return mh->IsPrefixMode();
726 std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
729 unsigned char mask = ((mt == MODETYPE_CHANNEL) ? MASK_CHANNEL : MASK_USER);
731 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
733 unsigned char pos = (mode-65) | mask;
735 if ((modehandlers[pos]) && ((!needparam) || (modehandlers[pos]->GetNumParams(true))))
736 modestr.push_back(mode);
742 void ModeParser::RecreateModeListFor004Numeric()
744 Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
747 PrefixMode* ModeParser::FindPrefix(unsigned const char pfxletter)
749 const PrefixModeList& list = GetPrefixModes();
750 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
753 if (pm->GetPrefix() == pfxletter)
759 std::string ModeParser::GiveModeList(ModeMasks m)
761 std::string type1; /* Listmodes EXCEPT those with a prefix */
762 std::string type2; /* Modes that take a param when adding or removing */
763 std::string type3; /* Modes that only take a param when adding */
764 std::string type4; /* Modes that dont take a param */
766 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
768 unsigned char pos = (mode-65) | m;
769 /* One parameter when adding */
770 if (modehandlers[pos])
772 if (modehandlers[pos]->GetNumParams(true))
774 PrefixMode* pm = modehandlers[pos]->IsPrefixMode();
775 if ((modehandlers[pos]->IsListMode()) && ((!pm) || (pm->GetPrefix() == 0)))
777 type1 += modehandlers[pos]->GetModeChar();
781 /* ... and one parameter when removing */
782 if (modehandlers[pos]->GetNumParams(false))
784 /* But not a list mode */
787 type2 += modehandlers[pos]->GetModeChar();
792 /* No parameters when removing */
793 type3 += modehandlers[pos]->GetModeChar();
799 type4 += modehandlers[pos]->GetModeChar();
804 return type1 + "," + type2 + "," + type3 + "," + type4;
807 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
809 std::string mletters;
810 std::string mprefixes;
811 std::map<int,std::pair<char,char> > prefixes;
813 const PrefixModeList& list = GetPrefixModes();
814 for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
818 prefixes[pm->GetPrefixRank()] = std::make_pair(pm->GetPrefix(), pm->GetModeChar());
821 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
823 mletters = mletters + n->second.first;
824 mprefixes = mprefixes + n->second.second;
827 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
830 void ModeParser::AddModeWatcher(ModeWatcher* mw)
832 modewatchermap.insert(std::make_pair(mw->GetModeName(), mw));
835 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
837 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mw->GetModeName());
838 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
842 modewatchermap.erase(i);
850 void ModeHandler::RemoveMode(User* user)
852 // Remove the mode if it's set on the user
853 if (user->IsModeSet(this->GetModeChar()))
855 std::vector<std::string> parameters;
856 parameters.push_back(user->nick);
857 parameters.push_back("-");
858 parameters[1].push_back(this->GetModeChar());
859 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient, ModeParser::MODE_LOCALONLY);
863 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack)
865 if (channel->IsModeSet(this))
867 if (this->GetNumParams(false))
868 // Removing this mode requires a parameter
869 stack.Push(this->GetModeChar(), channel->GetModeParameter(this));
871 stack.Push(this->GetModeChar());
875 void PrefixMode::RemoveMode(Channel* chan, irc::modestacker& stack)
877 const UserMembList* userlist = chan->GetUsers();
878 for (UserMembCIter i = userlist->begin(); i != userlist->end(); ++i)
880 if (i->second->hasMode(this->GetModeChar()))
881 stack.Push(this->GetModeChar(), i->first->nick);
888 ModeChannelPrivate p;
889 ModeChannelModerated m;
890 ModeChannelTopicOps t;
892 ModeChannelNoExternal n;
893 ModeChannelInviteOnly i;
902 ModeUserInvisible ui;
904 ModeUserServerNoticeMask us;
908 ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
909 &uw, &ui, &uo, &us };
910 ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
914 static builtin_modes static_modes;
916 void ModeParser::InitBuiltinModes()
919 static_modes.b.DoRehash();
922 ModeParser::ModeParser()
924 /* Clear mode handler list */
925 memset(modehandlers, 0, sizeof(modehandlers));
928 memset(&sent, 0, sizeof(sent));
931 ModeParser::~ModeParser()