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/>.
31 /* +t (only (half) ops can change topic) */
32 /* +n (no external messages) */
33 /* +i (invite only) */
34 /* +w (see wallops) */
36 #include "modes/simplemodes.h"
38 #include "modes/cmode_b.h"
39 /* +k (keyed channel) */
40 #include "modes/cmode_k.h"
41 /* +l (channel user limit) */
42 #include "modes/cmode_l.h"
44 #include "modes/cmode_o.h"
45 /* +v (channel voice) */
46 #include "modes/cmode_v.h"
48 #include "modes/umode_o.h"
49 /* +s (server notice masks) */
50 #include "modes/umode_s.h"
52 ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type)
53 : ServiceProvider(Creator, Name, SERVICE_MODE), m_paramtype(TR_TEXT),
54 parameters_taken(Params), mode(modeletter), prefix(0), oper(false),
55 list(false), m_type(type), levelrequired(HALFOP_VALUE)
59 CullResult ModeHandler::cull()
61 if (ServerInstance->Modes)
62 ServerInstance->Modes->DelMode(this);
63 return classbase::cull();
66 ModeHandler::~ModeHandler()
70 bool ModeHandler::IsListMode()
75 unsigned int ModeHandler::GetPrefixRank()
80 int ModeHandler::GetNumParams(bool adding)
82 switch (parameters_taken)
87 return adding ? 1 : 0;
94 std::string ModeHandler::GetUserParameter(User* user)
99 ModResult ModeHandler::AccessCheck(User*, Channel*, std::string &, bool)
101 return MOD_RES_PASSTHRU;
104 ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool)
106 return MODEACTION_DENY;
109 void ModeHandler::DisplayList(User*, Channel*)
113 void ModeHandler::DisplayEmptyList(User*, Channel*)
117 void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel)
121 bool ModeHandler::ResolveModeConflict(std::string& theirs, const std::string& ours, Channel*)
123 return (theirs < ours);
126 ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
128 /* We're either trying to add a mode we already have or
129 remove a mode we don't have, deny. */
130 if (dest->IsModeSet(this->GetModeChar()) == adding)
131 return MODEACTION_DENY;
133 /* adding will be either true or false, depending on if we
134 are adding or removing the mode, since we already checked
135 to make sure we aren't adding a mode we have or that we
136 aren't removing a mode we don't have, we don't have to do any
137 other checks here to see if it's true or false, just add or
139 dest->SetMode(this->GetModeChar(), adding);
141 return MODEACTION_ALLOW;
145 ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
147 /* We're either trying to add a mode we already have or
148 remove a mode we don't have, deny. */
149 if (channel->IsModeSet(this->GetModeChar()) == adding)
150 return MODEACTION_DENY;
152 /* adding will be either true or false, depending on if we
153 are adding or removing the mode, since we already checked
154 to make sure we aren't adding a mode we have or that we
155 aren't removing a mode we don't have, we don't have to do any
156 other checks here to see if it's true or false, just add or
158 channel->SetMode(this->GetModeChar(), adding);
160 return MODEACTION_ALLOW;
163 ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
165 if (adding && !ParamValidate(parameter))
166 return MODEACTION_DENY;
167 std::string now = channel->GetModeParameter(this);
168 if (parameter == now)
169 return MODEACTION_DENY;
171 channel->SetModeParam(this, parameter);
173 channel->SetModeParam(this, "");
174 return MODEACTION_ALLOW;
177 bool ParamChannelModeHandler::ParamValidate(std::string& parameter)
182 ModeWatcher::ModeWatcher(Module* Creator, char modeletter, ModeType type)
183 : mode(modeletter), m_type(type), creator(Creator)
187 ModeWatcher::~ModeWatcher()
191 char ModeWatcher::GetModeChar()
196 ModeType ModeWatcher::GetModeType()
201 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool, ModeType)
206 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool, ModeType)
210 User* ModeParser::SanityChecks(User *user, const char *dest, Channel *chan, int)
213 if ((!user) || (!dest) || (!chan) || (!*dest))
217 d = ServerInstance->FindNick(dest);
220 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), dest);
226 void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
230 /* Display channel's current mode string */
231 user->WriteNumeric(RPL_CHANNELMODEIS, "%s %s +%s",user->nick.c_str(), targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
232 user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age);
237 if (targetuser == user || user->HasPrivPermission("users/auspex"))
239 /* Display user's current mode string */
240 user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes());
241 if (IS_OPER(targetuser))
242 user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks());
247 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str());
253 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
254 std::string ¶meter, bool SkipACL)
256 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
257 unsigned char mask = chan ? MASK_CHANNEL : MASK_USER;
259 ModeHandler *mh = FindMode(modechar, type);
260 int pcnt = mh->GetNumParams(adding);
262 // crop mode parameter size to 250 characters
263 if (parameter.length() > 250 && adding)
264 parameter = parameter.substr(0, 250);
266 ModResult MOD_RESULT;
267 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));
269 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
270 return MODEACTION_DENY;
272 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
274 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
276 if (MOD_RESULT == MOD_RES_DENY)
277 return MODEACTION_DENY;
278 if (MOD_RESULT == MOD_RES_PASSTHRU)
280 unsigned int neededrank = mh->GetLevelRequired();
281 /* Compare our rank on the channel against the rank of the required prefix,
282 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
283 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
284 * first, so we don't need to iterate, we just look up the first instead.
286 unsigned int ourrank = chan->GetPrefixValue(user);
287 if (ourrank < neededrank)
289 ModeHandler* neededmh = NULL;
290 for(char c='A'; c <= 'z'; c++)
292 ModeHandler *privmh = FindMode(c, MODETYPE_CHANNEL);
293 if (privmh && privmh->GetPrefixRank() >= neededrank)
295 // this mode is sufficient to allow this action
296 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
301 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel %s access or above to %sset channel mode %c",
302 user->nick.c_str(), chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
304 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You cannot %sset channel mode %c",
305 user->nick.c_str(), chan->name.c_str(), adding ? "" : "un", modechar);
306 return MODEACTION_DENY;
311 unsigned char handler_id = (modechar - 'A') | mask;
313 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
315 if ((*watchers)->BeforeMode(user, targetuser, chan, parameter, adding, type) == false)
316 return MODEACTION_DENY;
317 /* A module whacked the parameter completely, and there was one. abort. */
318 if (pcnt && parameter.empty())
319 return MODEACTION_DENY;
322 if (IS_LOCAL(user) && !IS_OPER(user))
324 char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
325 if (disabled[modechar - 'A'])
327 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
328 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
329 return MODEACTION_DENY;
333 if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
335 /* It's an oper only mode, and they don't have access to it. */
338 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
339 user->nick.c_str(), user->oper->NameStr(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
343 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
344 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
346 return MODEACTION_DENY;
349 if (mh->GetTranslateType() == TR_NICK && !ServerInstance->FindNick(parameter))
351 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameter.c_str());
352 return MODEACTION_DENY;
355 if (mh->GetPrefixRank() && chan)
357 User* user_to_prefix = ServerInstance->FindNick(parameter);
359 return MODEACTION_DENY;
360 if (!chan->SetPrefix(user_to_prefix, modechar, adding))
361 return MODEACTION_DENY;
364 /* Call the handler for the mode */
365 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
367 if (pcnt && parameter.empty())
368 return MODEACTION_DENY;
370 if (ma != MODEACTION_ALLOW)
373 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
374 (*watchers)->AfterMode(user, targetuser, chan, parameter, adding, type);
376 return MODEACTION_ALLOW;
379 void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool merge)
381 std::string target = parameters[0];
382 Channel* targetchannel = ServerInstance->FindChan(target);
383 User* targetuser = ServerInstance->FindNick(target);
384 ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
387 LastParseParams.clear();
388 LastParseTranslate.clear();
390 if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
392 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str());
395 if (parameters.size() == 1)
397 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
401 ModResult MOD_RESULT;
402 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
404 bool SkipAccessChecks = false;
406 if (!IS_LOCAL(user) || ServerInstance->ULine(user->server) || MOD_RESULT == MOD_RES_ALLOW)
407 SkipAccessChecks = true;
408 else if (MOD_RESULT == MOD_RES_DENY)
411 if (targetuser && !SkipAccessChecks && user != targetuser)
413 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
417 std::string mode_sequence = parameters[1];
419 std::string output_mode;
420 std::ostringstream output_parameters;
421 LastParseParams.push_back(output_mode);
422 LastParseTranslate.push_back(TR_TEXT);
425 char output_pm = '\0'; // current output state, '+' or '-'
426 unsigned int param_at = 2;
428 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
430 unsigned char modechar = *letter;
431 if (modechar == '+' || modechar == '-')
433 adding = (modechar == '+');
437 ModeHandler *mh = this->FindMode(modechar, type);
440 /* No mode handler? Unknown mode character then. */
441 user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
445 std::string parameter;
446 int pcnt = mh->GetNumParams(adding);
447 if (pcnt && param_at == parameters.size())
449 /* No parameter, continue to the next mode */
450 mh->OnParameterMissing(user, targetuser, targetchannel);
455 parameter = parameters[param_at++];
456 /* Make sure the user isn't trying to slip in an invalid parameter */
457 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
459 if (merge && targetchannel && targetchannel->IsModeSet(modechar) && !mh->IsListMode())
461 std::string ours = targetchannel->GetModeParameter(modechar);
462 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
463 /* we won the mode merge, don't apply this mode */
468 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
470 if (ma != MODEACTION_ALLOW)
473 char needed_pm = adding ? '+' : '-';
474 if (needed_pm != output_pm)
476 output_pm = needed_pm;
477 output_mode.append(1, output_pm);
479 output_mode.append(1, modechar);
483 TranslateType tt = mh->GetTranslateType();
486 User* u = ServerInstance->FindNick(parameter);
490 output_parameters << " " << parameter;
491 LastParseParams.push_back(parameter);
492 LastParseTranslate.push_back(tt);
495 if ( (output_mode.length() + output_parameters.str().length() > 450)
496 || (output_mode.length() > 100)
497 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
499 /* mode sequence is getting too long */
504 LastParseParams[0] = output_mode;
506 if (!output_mode.empty())
508 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
509 LastParse.append(" ");
510 LastParse.append(output_mode);
511 LastParse.append(output_parameters.str());
515 targetchannel->WriteChannel(user, "MODE %s", LastParse.c_str());
516 FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, LastParseParams, LastParseTranslate));
520 targetuser->WriteFrom(user, "MODE %s", LastParse.c_str());
521 FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, LastParseParams, LastParseTranslate));
524 else if (targetchannel && parameters.size() == 2)
526 /* Special case for displaying the list for listmodes,
527 * e.g. MODE #chan b, or MODE #chan +b without a parameter
529 this->DisplayListModes(user, targetchannel, mode_sequence);
533 void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
537 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
539 unsigned char mletter = *letter;
543 /* Ensure the user doesnt request the same mode twice,
544 * so they cant flood themselves off out of idiocy.
546 if (sent[mletter] == seq)
551 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
553 if (!mh || !mh->IsListMode())
556 ModResult MOD_RESULT;
557 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0));
558 if (MOD_RESULT == MOD_RES_DENY)
562 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
564 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You do not have access to view the +%c list",
565 user->nick.c_str(), chan->name.c_str(), mletter);
569 unsigned char handler_id = (mletter - 'A') | MASK_CHANNEL;
571 for(ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
573 std::string dummyparam;
575 if (!((*watchers)->BeforeMode(user, NULL, chan, dummyparam, true, MODETYPE_CHANNEL)))
579 mh->DisplayList(user, chan);
581 mh->DisplayEmptyList(user, chan);
585 const std::string& ModeParser::GetLastParse()
590 void ModeParser::CleanMask(std::string &mask)
592 std::string::size_type pos_of_pling = mask.find_first_of('!');
593 std::string::size_type pos_of_at = mask.find_first_of('@');
594 std::string::size_type pos_of_dot = mask.find_first_of('.');
595 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
597 if (mask.length() >= 2 && mask[1] == ':')
598 return; // if it's an extban, don't even try guess how it needs to be formed.
600 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
602 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
603 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
605 /* It has no '.' in it, it must be a nick. */
610 /* Got a dot in it? Has to be a host */
611 mask = "*!*@" + mask;
614 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
616 /* Has an @ but no !, its a user@host */
619 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
621 /* Has a ! but no @, it must be a nick!ident */
626 bool ModeParser::AddMode(ModeHandler* mh)
628 unsigned char mask = 0;
629 unsigned char pos = 0;
631 /* Yes, i know, this might let people declare modes like '_' or '^'.
632 * If they do that, thats their problem, and if i ever EVER see an
633 * official InspIRCd developer do that, i'll beat them with a paddle!
635 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z') || (mh->GetPrefix() > 126))
638 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
639 * A mode prefix of ':' will fuck up both server to server, and client to server.
640 * A mode prefix of '#' will mess up /whois and /privmsg
642 if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#'))
645 if (mh->GetPrefix() && FindPrefix(mh->GetPrefix()))
648 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
649 pos = (mh->GetModeChar()-65) | mask;
651 if (modehandlers[pos])
654 modehandlers[pos] = mh;
658 bool ModeParser::DelMode(ModeHandler* mh)
660 unsigned char mask = 0;
661 unsigned char pos = 0;
663 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
666 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
667 pos = (mh->GetModeChar()-65) | mask;
669 if (modehandlers[pos] != mh)
672 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
673 * To stack here we have to make the algorithm slower. Discuss.
675 switch (mh->GetModeType())
678 for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); )
680 User* user = i->second;
682 mh->RemoveMode(user);
685 case MODETYPE_CHANNEL:
686 for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); )
688 // The channel may not be in the hash after RemoveMode(), see m_permchannels
689 Channel* chan = i->second;
691 mh->RemoveMode(chan);
696 modehandlers[pos] = NULL;
701 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
703 unsigned char mask = 0;
704 unsigned char pos = 0;
706 if ((modeletter < 'A') || (modeletter > 'z'))
709 mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
710 pos = (modeletter-65) | mask;
712 return modehandlers[pos];
715 std::string ModeParser::UserModeList()
720 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
722 unsigned char pos = (mode-65) | MASK_USER;
724 if (modehandlers[pos])
725 modestr[pointer++] = mode;
727 modestr[pointer++] = 0;
731 std::string ModeParser::ChannelModeList()
736 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
738 unsigned char pos = (mode-65) | MASK_CHANNEL;
740 if (modehandlers[pos])
741 modestr[pointer++] = mode;
743 modestr[pointer++] = 0;
747 std::string ModeParser::ParaModeList()
752 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
754 unsigned char pos = (mode-65) | MASK_CHANNEL;
756 if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true)))
757 modestr[pointer++] = mode;
759 modestr[pointer++] = 0;
763 ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
765 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
767 unsigned char pos = (mode-65) | MASK_CHANNEL;
769 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
771 return modehandlers[pos];
777 std::string ModeParser::GiveModeList(ModeMasks m)
779 std::string type1; /* Listmodes EXCEPT those with a prefix */
780 std::string type2; /* Modes that take a param when adding or removing */
781 std::string type3; /* Modes that only take a param when adding */
782 std::string type4; /* Modes that dont take a param */
784 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
786 unsigned char pos = (mode-65) | m;
787 /* One parameter when adding */
788 if (modehandlers[pos])
790 if (modehandlers[pos]->GetNumParams(true))
792 if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
794 type1 += modehandlers[pos]->GetModeChar();
798 /* ... and one parameter when removing */
799 if (modehandlers[pos]->GetNumParams(false))
801 /* But not a list mode */
802 if (!modehandlers[pos]->GetPrefix())
804 type2 += modehandlers[pos]->GetModeChar();
809 /* No parameters when removing */
810 type3 += modehandlers[pos]->GetModeChar();
816 type4 += modehandlers[pos]->GetModeChar();
821 return type1 + "," + type2 + "," + type3 + "," + type4;
824 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
826 std::string mletters;
827 std::string mprefixes;
828 std::map<int,std::pair<char,char> > prefixes;
830 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
832 unsigned char pos = (mode-65) | MASK_CHANNEL;
834 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix()))
836 prefixes[modehandlers[pos]->GetPrefixRank()] = std::make_pair(
837 modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetModeChar());
841 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
843 mletters = mletters + n->second.first;
844 mprefixes = mprefixes + n->second.second;
847 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
850 bool ModeParser::AddModeWatcher(ModeWatcher* mw)
852 unsigned char mask = 0;
853 unsigned char pos = 0;
858 if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
861 mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
862 pos = (mw->GetModeChar()-65) | mask;
864 modewatchers[pos].push_back(mw);
869 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
871 unsigned char mask = 0;
872 unsigned char pos = 0;
877 if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
880 mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
881 pos = (mw->GetModeChar()-65) | mask;
883 ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
885 if (a == modewatchers[pos].end())
890 modewatchers[pos].erase(a);
895 /** This default implementation can remove simple user modes
897 void ModeHandler::RemoveMode(User* user, irc::modestacker* stack)
899 if (user->IsModeSet(this->GetModeChar()))
903 stack->Push(this->GetModeChar());
907 std::vector<std::string> parameters;
908 parameters.push_back(user->nick);
909 parameters.push_back("-");
910 parameters[1].push_back(this->GetModeChar());
911 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient);
916 /** This default implementation can remove simple channel modes
919 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker* stack)
921 if (channel->IsModeSet(this->GetModeChar()))
925 stack->Push(this->GetModeChar());
929 std::vector<std::string> parameters;
930 parameters.push_back(channel->name);
931 parameters.push_back("-");
932 parameters[1].push_back(this->GetModeChar());
933 ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
941 ModeChannelPrivate p;
942 ModeChannelModerated m;
943 ModeChannelTopicOps t;
945 ModeChannelNoExternal n;
946 ModeChannelInviteOnly i;
955 ModeUserInvisible ui;
957 ModeUserServerNoticeMask us;
959 void init(ModeParser* modes)
979 static builtin_modes static_modes;
981 ModeParser::ModeParser()
983 /* Clear mode handler list */
984 memset(modehandlers, 0, sizeof(modehandlers));
986 /* Last parse string */
990 memset(&sent, 0, sizeof(sent));
992 static_modes.init(this);
995 ModeParser::~ModeParser()