2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2012 Shawn Smith <shawn@inspircd.org>
5 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
6 * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
8 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
9 * Copyright (C) 2004-2008 Craig Edwards <craigedwards@brainbox.cc>
10 * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
12 * This file is part of InspIRCd. InspIRCd is free software: you can
13 * redistribute it and/or modify it under the terms of the GNU General Public
14 * License as published by the Free Software Foundation, version 2.
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "builtinmodes.h"
29 ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type)
30 : ServiceProvider(Creator, Name, SERVICE_MODE), m_paramtype(TR_TEXT),
31 parameters_taken(Params), mode(modeletter), prefix(0), oper(false),
32 list(false), m_type(type), levelrequired(HALFOP_VALUE), prefixrank(0)
36 CullResult ModeHandler::cull()
38 if (ServerInstance->Modes)
39 ServerInstance->Modes->DelMode(this);
40 return classbase::cull();
43 ModeHandler::~ModeHandler()
47 int ModeHandler::GetNumParams(bool adding)
49 switch (parameters_taken)
54 return adding ? 1 : 0;
61 std::string ModeHandler::GetUserParameter(User* user)
66 ModResult ModeHandler::AccessCheck(User*, Channel*, std::string &, bool)
68 return MOD_RES_PASSTHRU;
71 ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool)
73 return MODEACTION_DENY;
76 void ModeHandler::DisplayList(User*, Channel*)
80 void ModeHandler::DisplayEmptyList(User*, Channel*)
84 void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel)
88 bool ModeHandler::ResolveModeConflict(std::string& theirs, const std::string& ours, Channel*)
90 return (theirs < ours);
93 ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
95 /* We're either trying to add a mode we already have or
96 remove a mode we don't have, deny. */
97 if (dest->IsModeSet(this->GetModeChar()) == adding)
98 return MODEACTION_DENY;
100 /* adding will be either true or false, depending on if we
101 are adding or removing the mode, since we already checked
102 to make sure we aren't adding a mode we have or that we
103 aren't removing a mode we don't have, we don't have to do any
104 other checks here to see if it's true or false, just add or
106 dest->SetMode(this->GetModeChar(), adding);
108 return MODEACTION_ALLOW;
112 ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
114 /* We're either trying to add a mode we already have or
115 remove a mode we don't have, deny. */
116 if (channel->IsModeSet(this->GetModeChar()) == adding)
117 return MODEACTION_DENY;
119 /* adding will be either true or false, depending on if we
120 are adding or removing the mode, since we already checked
121 to make sure we aren't adding a mode we have or that we
122 aren't removing a mode we don't have, we don't have to do any
123 other checks here to see if it's true or false, just add or
125 channel->SetMode(this->GetModeChar(), adding);
127 return MODEACTION_ALLOW;
130 ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
132 if (adding && !ParamValidate(parameter))
133 return MODEACTION_DENY;
134 std::string now = channel->GetModeParameter(this);
135 if (parameter == now)
136 return MODEACTION_DENY;
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)
150 ModeWatcher::~ModeWatcher()
154 ModeType ModeWatcher::GetModeType()
159 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
164 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool)
168 void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
172 /* Display channel's current mode string */
173 user->WriteNumeric(RPL_CHANNELMODEIS, "%s %s +%s",user->nick.c_str(), targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
174 user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age);
179 if (targetuser == user || user->HasPrivPermission("users/auspex"))
181 /* Display user's current mode string */
182 user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes());
183 if ((targetuser->IsOper()))
184 user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks().c_str());
189 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str());
195 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
196 std::string ¶meter, bool SkipACL)
198 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
200 ModeHandler *mh = FindMode(modechar, type);
201 int pcnt = mh->GetNumParams(adding);
203 // crop mode parameter size to 250 characters
204 if (parameter.length() > 250 && adding)
205 parameter = parameter.substr(0, 250);
207 ModResult MOD_RESULT;
208 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));
210 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
211 return MODEACTION_DENY;
213 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
215 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
217 if (MOD_RESULT == MOD_RES_DENY)
218 return MODEACTION_DENY;
219 if (MOD_RESULT == MOD_RES_PASSTHRU)
221 unsigned int neededrank = mh->GetLevelRequired();
222 /* Compare our rank on the channel against the rank of the required prefix,
223 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
224 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
225 * first, so we don't need to iterate, we just look up the first instead.
227 unsigned int ourrank = chan->GetPrefixValue(user);
228 if (ourrank < neededrank)
230 ModeHandler* neededmh = NULL;
231 for(char c='A'; c <= 'z'; c++)
233 ModeHandler *privmh = FindMode(c, MODETYPE_CHANNEL);
234 if (privmh && privmh->GetPrefixRank() >= neededrank)
236 // this mode is sufficient to allow this action
237 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
242 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel %s access or above to %sset channel mode %c",
243 user->nick.c_str(), chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
245 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You cannot %sset channel mode %c",
246 user->nick.c_str(), chan->name.c_str(), adding ? "" : "un", modechar);
247 return MODEACTION_DENY;
252 // Ask mode watchers whether this mode change is OK
253 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
254 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
256 ModeWatcher* mw = i->second;
257 if (mw->GetModeType() == type)
259 if (!mw->BeforeMode(user, targetuser, chan, parameter, adding))
260 return MODEACTION_DENY;
262 // A module whacked the parameter completely, and there was one. Abort.
263 if (pcnt && parameter.empty())
264 return MODEACTION_DENY;
268 if (IS_LOCAL(user) && !user->IsOper())
270 char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
271 if (disabled[modechar - 'A'])
273 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
274 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
275 return MODEACTION_DENY;
279 if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
281 /* It's an oper only mode, and they don't have access to it. */
284 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
285 user->nick.c_str(), user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
289 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
290 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
292 return MODEACTION_DENY;
295 if (mh->GetTranslateType() == TR_NICK && !ServerInstance->FindNick(parameter))
297 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameter.c_str());
298 return MODEACTION_DENY;
301 if (mh->GetPrefixRank() && chan)
303 User* user_to_prefix = ServerInstance->FindNick(parameter);
305 return MODEACTION_DENY;
306 if (!chan->SetPrefix(user_to_prefix, modechar, adding))
307 return MODEACTION_DENY;
310 /* Call the handler for the mode */
311 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
313 if (pcnt && parameter.empty())
314 return MODEACTION_DENY;
316 if (ma != MODEACTION_ALLOW)
319 if ((!mh->IsListMode()) && (mh->GetNumParams(true)) && (chan))
320 chan->SetModeParam(mh, (adding ? parameter : ""));
322 itpair = modewatchermap.equal_range(mh->name);
323 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
325 ModeWatcher* mw = i->second;
326 if (mw->GetModeType() == type)
327 mw->AfterMode(user, targetuser, chan, parameter, adding);
330 return MODEACTION_ALLOW;
333 void ModeParser::Process(const std::vector<std::string>& parameters, User* user, ModeProcessFlag flags)
335 std::string target = parameters[0];
336 Channel* targetchannel = ServerInstance->FindChan(target);
337 User* targetuser = ServerInstance->FindNick(target);
338 ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
341 LastParseParams.clear();
342 LastParseTranslate.clear();
344 if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
346 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str());
349 if (parameters.size() == 1)
351 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
355 ModResult MOD_RESULT;
356 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
358 bool SkipAccessChecks = false;
360 if (!IS_LOCAL(user) || ServerInstance->ULine(user->server) || MOD_RESULT == MOD_RES_ALLOW)
361 SkipAccessChecks = true;
362 else if (MOD_RESULT == MOD_RES_DENY)
365 if (targetuser && !SkipAccessChecks && user != targetuser)
367 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
371 std::string mode_sequence = parameters[1];
373 std::string output_mode;
374 std::ostringstream output_parameters;
375 LastParseParams.push_back(output_mode);
376 LastParseTranslate.push_back(TR_TEXT);
379 char output_pm = '\0'; // current output state, '+' or '-'
380 unsigned int param_at = 2;
382 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
384 unsigned char modechar = *letter;
385 if (modechar == '+' || modechar == '-')
387 adding = (modechar == '+');
391 ModeHandler *mh = this->FindMode(modechar, type);
394 /* No mode handler? Unknown mode character then. */
395 user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
399 std::string parameter;
400 int pcnt = mh->GetNumParams(adding);
401 if (pcnt && param_at == parameters.size())
403 /* No parameter, continue to the next mode */
404 mh->OnParameterMissing(user, targetuser, targetchannel);
409 parameter = parameters[param_at++];
410 /* Make sure the user isn't trying to slip in an invalid parameter */
411 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
413 if ((flags & MODE_MERGE) && targetchannel && targetchannel->IsModeSet(modechar) && !mh->IsListMode())
415 std::string ours = targetchannel->GetModeParameter(modechar);
416 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
417 /* we won the mode merge, don't apply this mode */
422 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
424 if (ma != MODEACTION_ALLOW)
427 char needed_pm = adding ? '+' : '-';
428 if (needed_pm != output_pm)
430 output_pm = needed_pm;
431 output_mode.append(1, output_pm);
433 output_mode.append(1, modechar);
437 TranslateType tt = mh->GetTranslateType();
440 User* u = ServerInstance->FindNick(parameter);
444 output_parameters << " " << parameter;
445 LastParseParams.push_back(parameter);
446 LastParseTranslate.push_back(tt);
449 if ( (output_mode.length() + output_parameters.str().length() > 450)
450 || (output_mode.length() > 100)
451 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
453 /* mode sequence is getting too long */
458 LastParseParams[0] = output_mode;
460 if (!output_mode.empty())
462 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
463 LastParse.append(" ");
464 LastParse.append(output_mode);
465 LastParse.append(output_parameters.str());
467 if (!(flags & MODE_LOCALONLY))
468 ServerInstance->PI->SendMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate);
471 targetchannel->WriteChannel(user, "MODE " + LastParse);
473 targetuser->WriteFrom(user, "MODE " + LastParse);
475 FOREACH_MOD(I_OnMode,OnMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate));
477 else if (targetchannel && parameters.size() == 2)
479 /* Special case for displaying the list for listmodes,
480 * e.g. MODE #chan b, or MODE #chan +b without a parameter
482 this->DisplayListModes(user, targetchannel, mode_sequence);
486 void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
490 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
492 unsigned char mletter = *letter;
496 /* Ensure the user doesnt request the same mode twice,
497 * so they cant flood themselves off out of idiocy.
499 if (sent[mletter] == seq)
504 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
506 if (!mh || !mh->IsListMode())
509 ModResult MOD_RESULT;
510 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0));
511 if (MOD_RESULT == MOD_RES_DENY)
515 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
517 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You do not have access to view the +%c list",
518 user->nick.c_str(), chan->name.c_str(), mletter);
522 // Ask mode watchers whether it's OK to show the list
523 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
524 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
526 ModeWatcher* mw = i->second;
527 if (mw->GetModeType() == MODETYPE_CHANNEL)
529 std::string dummyparam;
531 if (!mw->BeforeMode(user, NULL, chan, dummyparam, true))
533 // A mode watcher doesn't want us to show the list
541 mh->DisplayList(user, chan);
543 mh->DisplayEmptyList(user, chan);
547 void ModeParser::CleanMask(std::string &mask)
549 std::string::size_type pos_of_pling = mask.find_first_of('!');
550 std::string::size_type pos_of_at = mask.find_first_of('@');
551 std::string::size_type pos_of_dot = mask.find_first_of('.');
552 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
554 if (mask.length() >= 2 && mask[1] == ':')
555 return; // if it's an extban, don't even try guess how it needs to be formed.
557 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
559 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
560 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
562 /* It has no '.' in it, it must be a nick. */
567 /* Got a dot in it? Has to be a host */
568 mask = "*!*@" + mask;
571 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
573 /* Has an @ but no !, its a user@host */
576 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
578 /* Has a ! but no @, it must be a nick!ident */
583 bool ModeParser::AddMode(ModeHandler* mh)
585 unsigned char mask = 0;
586 unsigned char pos = 0;
588 /* Yes, i know, this might let people declare modes like '_' or '^'.
589 * If they do that, thats their problem, and if i ever EVER see an
590 * official InspIRCd developer do that, i'll beat them with a paddle!
592 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z') || (mh->GetPrefix() > 126))
595 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
596 * A mode prefix of ':' will fuck up both server to server, and client to server.
597 * A mode prefix of '#' will mess up /whois and /privmsg
599 if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#'))
602 if (mh->GetPrefix() && FindPrefix(mh->GetPrefix()))
605 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
606 pos = (mh->GetModeChar()-65) | mask;
608 if (modehandlers[pos])
611 modehandlers[pos] = mh;
612 RecreateModeListFor004Numeric();
616 bool ModeParser::DelMode(ModeHandler* mh)
618 unsigned char mask = 0;
619 unsigned char pos = 0;
621 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
624 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
625 pos = (mh->GetModeChar()-65) | mask;
627 if (modehandlers[pos] != mh)
630 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
631 * To stack here we have to make the algorithm slower. Discuss.
633 switch (mh->GetModeType())
636 for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); )
638 User* user = i->second;
640 mh->RemoveMode(user);
643 case MODETYPE_CHANNEL:
644 for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); )
646 // The channel may not be in the hash after RemoveMode(), see m_permchannels
647 Channel* chan = i->second;
650 irc::modestacker stack(false);
651 mh->RemoveMode(chan, stack);
653 std::vector<std::string> stackresult;
654 stackresult.push_back(chan->name);
655 while (stack.GetStackedLine(stackresult))
657 this->Process(stackresult, ServerInstance->FakeClient, MODE_LOCALONLY);
658 stackresult.erase(stackresult.begin() + 1, stackresult.end());
664 modehandlers[pos] = NULL;
665 RecreateModeListFor004Numeric();
670 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
672 unsigned char mask = 0;
673 unsigned char pos = 0;
675 if ((modeletter < 'A') || (modeletter > 'z'))
678 mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
679 pos = (modeletter-65) | mask;
681 return modehandlers[pos];
684 std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
687 unsigned char mask = ((mt == MODETYPE_CHANNEL) ? MASK_CHANNEL : MASK_USER);
689 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
691 unsigned char pos = (mode-65) | mask;
693 if ((modehandlers[pos]) && ((!needparam) || (modehandlers[pos]->GetNumParams(true))))
694 modestr.push_back(mode);
700 void ModeParser::RecreateModeListFor004Numeric()
702 Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
705 ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
707 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
709 unsigned char pos = (mode-65) | MASK_CHANNEL;
711 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
713 return modehandlers[pos];
719 std::string ModeParser::GiveModeList(ModeMasks m)
721 std::string type1; /* Listmodes EXCEPT those with a prefix */
722 std::string type2; /* Modes that take a param when adding or removing */
723 std::string type3; /* Modes that only take a param when adding */
724 std::string type4; /* Modes that dont take a param */
726 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
728 unsigned char pos = (mode-65) | m;
729 /* One parameter when adding */
730 if (modehandlers[pos])
732 if (modehandlers[pos]->GetNumParams(true))
734 if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
736 type1 += modehandlers[pos]->GetModeChar();
740 /* ... and one parameter when removing */
741 if (modehandlers[pos]->GetNumParams(false))
743 /* But not a list mode */
744 if (!modehandlers[pos]->GetPrefix())
746 type2 += modehandlers[pos]->GetModeChar();
751 /* No parameters when removing */
752 type3 += modehandlers[pos]->GetModeChar();
758 type4 += modehandlers[pos]->GetModeChar();
763 return type1 + "," + type2 + "," + type3 + "," + type4;
766 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
768 std::string mletters;
769 std::string mprefixes;
770 std::map<int,std::pair<char,char> > prefixes;
772 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
774 unsigned char pos = (mode-65) | MASK_CHANNEL;
776 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix()))
778 prefixes[modehandlers[pos]->GetPrefixRank()] = std::make_pair(
779 modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetModeChar());
783 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
785 mletters = mletters + n->second.first;
786 mprefixes = mprefixes + n->second.second;
789 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
792 void ModeParser::AddModeWatcher(ModeWatcher* mw)
794 modewatchermap.insert(std::make_pair(mw->GetModeName(), mw));
797 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
799 std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mw->GetModeName());
800 for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
804 modewatchermap.erase(i);
812 void ModeHandler::RemoveMode(User* user)
814 // Remove the mode if it's set on the user
815 if (user->IsModeSet(this->GetModeChar()))
817 std::vector<std::string> parameters;
818 parameters.push_back(user->nick);
819 parameters.push_back("-");
820 parameters[1].push_back(this->GetModeChar());
821 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient, ModeParser::MODE_LOCALONLY);
825 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack)
827 if (this->GetPrefixRank())
829 RemovePrefixMode(channel, stack);
831 else if (channel->IsModeSet(this->GetModeChar()))
833 if (this->GetNumParams(false))
834 // Removing this mode requires a parameter
835 stack.Push(this->GetModeChar(), channel->GetModeParameter(this->GetModeChar()));
837 stack.Push(this->GetModeChar());
841 void ModeHandler::RemovePrefixMode(Channel* chan, irc::modestacker& stack)
843 const UserMembList* userlist = chan->GetUsers();
844 for (UserMembCIter i = userlist->begin(); i != userlist->end(); ++i)
846 if (i->second->hasMode(this->GetModeChar()))
847 stack.Push(this->GetModeChar(), i->first->nick);
854 ModeChannelPrivate p;
855 ModeChannelModerated m;
856 ModeChannelTopicOps t;
858 ModeChannelNoExternal n;
859 ModeChannelInviteOnly i;
868 ModeUserInvisible ui;
870 ModeUserServerNoticeMask us;
874 ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
875 &uw, &ui, &uo, &us };
876 ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
880 static builtin_modes static_modes;
882 void ModeParser::InitBuiltinModes()
885 static_modes.b.DoRehash();
888 ModeParser::ModeParser()
890 /* Clear mode handler list */
891 memset(modehandlers, 0, sizeof(modehandlers));
893 /* Last parse string */
897 memset(&sent, 0, sizeof(sent));
900 ModeParser::~ModeParser()