1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2010 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
15 #include "inspstring.h"
18 #include "modes/cmode_s.h"
20 #include "modes/cmode_p.h"
22 #include "modes/cmode_b.h"
24 #include "modes/cmode_m.h"
25 /* +t (only (half) ops can change topic) */
26 #include "modes/cmode_t.h"
27 /* +n (no external messages) */
28 #include "modes/cmode_n.h"
29 /* +i (invite only) */
30 #include "modes/cmode_i.h"
31 /* +k (keyed channel) */
32 #include "modes/cmode_k.h"
33 /* +l (channel user limit) */
34 #include "modes/cmode_l.h"
36 #include "modes/cmode_o.h"
37 /* +v (channel voice) */
38 #include "modes/cmode_v.h"
39 /* +w (see wallops) */
40 #include "modes/umode_w.h"
42 #include "modes/umode_i.h"
44 #include "modes/umode_o.h"
45 /* +s (server notice masks) */
46 #include "modes/umode_s.h"
48 ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type)
49 : ServiceProvider(Creator, Name, type == MODETYPE_CHANNEL ? SERVICE_CMODE : SERVICE_UMODE), m_paramtype(TR_TEXT),
50 parameters_taken(Params), mode(modeletter), prefix(0), oper(false),
51 list(false), m_type(type), levelrequired(HALFOP_VALUE)
55 CullResult ModeHandler::cull()
57 if (ServerInstance->Modes)
58 ServerInstance->Modes->DelMode(this);
59 return classbase::cull();
62 ModeHandler::~ModeHandler()
64 if (ServerInstance && ServerInstance->Modes && ServerInstance->Modes->FindMode(mode, m_type) == this)
65 ServerInstance->Logs->Log("MODE", DEFAULT, "ERROR: Destructor for mode %c called while still registered", mode);
68 bool ModeHandler::IsListMode()
73 unsigned int ModeHandler::GetPrefixRank()
78 int ModeHandler::GetNumParams(bool adding)
80 switch (parameters_taken)
85 return adding ? 1 : 0;
92 std::string ModeHandler::GetUserParameter(User* user)
97 ModResult ModeHandler::AccessCheck(User*, Channel*, std::string &, bool)
99 return MOD_RES_PASSTHRU;
102 ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool)
104 return MODEACTION_DENY;
107 void ModeHandler::DisplayList(User*, Channel*)
111 void ModeHandler::DisplayEmptyList(User*, Channel*)
115 void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel)
119 bool ModeHandler::ResolveModeConflict(std::string& theirs, const std::string& ours, Channel*)
121 return (theirs < ours);
124 ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
128 if (!dest->IsModeSet(this->GetModeChar()))
130 dest->SetMode(this->GetModeChar(),true);
131 return MODEACTION_ALLOW;
136 if (dest->IsModeSet(this->GetModeChar()))
138 dest->SetMode(this->GetModeChar(),false);
139 return MODEACTION_ALLOW;
143 return MODEACTION_DENY;
147 ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
151 if (!channel->IsModeSet(this->GetModeChar()))
153 channel->SetMode(this->GetModeChar(),true);
154 return MODEACTION_ALLOW;
159 if (channel->IsModeSet(this->GetModeChar()))
161 channel->SetMode(this->GetModeChar(),false);
162 return MODEACTION_ALLOW;
166 return MODEACTION_DENY;
169 ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
171 if (adding && !ParamValidate(parameter))
172 return MODEACTION_DENY;
173 std::string now = channel->GetModeParameter(this);
174 if (parameter == now)
175 return MODEACTION_DENY;
177 channel->SetModeParam(this, parameter);
179 channel->SetModeParam(this, "");
180 return MODEACTION_ALLOW;
183 bool ParamChannelModeHandler::ParamValidate(std::string& parameter)
188 ModeWatcher::ModeWatcher(Module* Creator, char modeletter, ModeType type)
189 : mode(modeletter), m_type(type), creator(Creator)
193 ModeWatcher::~ModeWatcher()
197 char ModeWatcher::GetModeChar()
202 ModeType ModeWatcher::GetModeType()
207 bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool, ModeType)
212 void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool, ModeType)
216 User* ModeParser::SanityChecks(User *user, const char *dest, Channel *chan, int)
219 if ((!user) || (!dest) || (!chan) || (!*dest))
223 d = ServerInstance->FindNick(dest);
226 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), dest);
232 void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
236 /* Display channel's current mode string */
237 user->WriteNumeric(RPL_CHANNELMODEIS, "%s %s +%s",user->nick.c_str(), targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
238 user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age);
243 if (targetuser == user || user->HasPrivPermission("users/auspex"))
245 /* Display user's current mode string */
246 user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes());
247 if (IS_OPER(targetuser))
248 user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks());
253 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str());
259 ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
260 std::string ¶meter, bool SkipACL)
262 ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
263 unsigned char mask = chan ? MASK_CHANNEL : MASK_USER;
265 ModeHandler *mh = FindMode(modechar, type);
266 int pcnt = mh->GetNumParams(adding);
268 ModResult MOD_RESULT;
269 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));
271 if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
272 return MODEACTION_DENY;
274 if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
276 MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
278 if (MOD_RESULT == MOD_RES_DENY)
279 return MODEACTION_DENY;
280 if (MOD_RESULT == MOD_RES_PASSTHRU)
282 unsigned int neededrank = mh->GetLevelRequired();
283 /* Compare our rank on the channel against the rank of the required prefix,
284 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
285 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
286 * first, so we don't need to iterate, we just look up the first instead.
288 unsigned int ourrank = chan->GetPrefixValue(user);
289 if (ourrank < neededrank)
291 ModeHandler* neededmh = NULL;
292 for(char c='A'; c <= 'z'; c++)
294 ModeHandler *privmh = FindMode(c, MODETYPE_CHANNEL);
295 if (privmh && privmh->GetPrefixRank() >= neededrank)
297 // this mode is sufficient to allow this action
298 if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
303 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel %s access or above to %sset channel mode %c",
304 user->nick.c_str(), chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
306 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You cannot %sset channel mode %c",
307 user->nick.c_str(), chan->name.c_str(), adding ? "" : "un", modechar);
308 return MODEACTION_DENY;
313 unsigned char handler_id = (modechar - 'A') | mask;
315 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
317 if ((*watchers)->BeforeMode(user, targetuser, chan, parameter, adding, type) == false)
318 return MODEACTION_DENY;
319 /* A module whacked the parameter completely, and there was one. abort. */
320 if (pcnt && parameter.empty())
321 return MODEACTION_DENY;
324 if (IS_LOCAL(user) && !IS_OPER(user))
326 char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
327 if (disabled[modechar - 'A'])
329 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
330 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
331 return MODEACTION_DENY;
335 if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
337 /* It's an oper only mode, and they don't have access to it. */
340 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
341 user->nick.c_str(), user->oper->NameStr(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
345 user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
346 user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
348 return MODEACTION_DENY;
351 if (mh->GetTranslateType() == TR_NICK && !ServerInstance->FindNick(parameter))
353 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameter.c_str());
354 return MODEACTION_DENY;
357 if (mh->GetPrefixRank() && chan)
359 User* user_to_prefix = ServerInstance->FindNick(parameter);
361 return MODEACTION_DENY;
362 if (!chan->SetPrefix(user_to_prefix, modechar, adding))
363 return MODEACTION_DENY;
366 /* Call the handler for the mode */
367 ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
369 if (pcnt && parameter.empty())
370 return MODEACTION_DENY;
372 if (ma != MODEACTION_ALLOW)
375 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
376 (*watchers)->AfterMode(user, targetuser, chan, parameter, adding, type);
378 return MODEACTION_ALLOW;
381 void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool merge)
383 std::string target = parameters[0];
384 Channel* targetchannel = ServerInstance->FindChan(target);
385 User* targetuser = ServerInstance->FindNick(target);
386 ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
389 LastParseParams.clear();
390 LastParseTranslate.clear();
392 if (!targetchannel && !targetuser)
394 user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str());
397 if (parameters.size() == 1)
399 this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
403 ModResult MOD_RESULT;
404 FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
406 bool SkipAccessChecks = false;
408 if (!IS_LOCAL(user) || ServerInstance->ULine(user->server) || MOD_RESULT == MOD_RES_ALLOW)
409 SkipAccessChecks = true;
410 else if (MOD_RESULT == MOD_RES_DENY)
413 if (targetuser && !SkipAccessChecks && user != targetuser)
415 user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
419 std::string mode_sequence = parameters[1];
421 std::string output_mode;
422 std::ostringstream output_parameters;
423 LastParseParams.push_back(output_mode);
424 LastParseTranslate.push_back(TR_TEXT);
427 char output_pm = '\0'; // current output state, '+' or '-'
428 unsigned int param_at = 2;
430 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
432 unsigned char modechar = *letter;
433 if (modechar == '+' || modechar == '-')
435 adding = (modechar == '+');
439 ModeHandler *mh = this->FindMode(modechar, type);
442 /* No mode handler? Unknown mode character then. */
443 user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
447 std::string parameter = "";
448 int pcnt = mh->GetNumParams(adding);
449 if (pcnt && param_at == parameters.size())
451 /* No parameter, continue to the next mode */
452 mh->OnParameterMissing(user, targetuser, targetchannel);
457 parameter = parameters[param_at++];
458 /* Make sure the user isn't trying to slip in an invalid parameter */
459 if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
461 if (merge && targetchannel && targetchannel->IsModeSet(modechar) && !mh->IsListMode())
463 std::string ours = targetchannel->GetModeParameter(modechar);
464 if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
465 /* we won the mode merge, don't apply this mode */
470 ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks);
472 if (ma != MODEACTION_ALLOW)
475 char needed_pm = adding ? '+' : '-';
476 if (needed_pm != output_pm)
478 output_pm = needed_pm;
479 output_mode.append(1, output_pm);
481 output_mode.append(1, modechar);
485 TranslateType tt = mh->GetTranslateType();
488 User* u = ServerInstance->FindNick(parameter);
492 output_parameters << " " << parameter;
493 LastParseParams.push_back(parameter);
494 LastParseTranslate.push_back(tt);
497 if ( (output_mode.length() + output_parameters.str().length() > 450)
498 || (output_mode.length() > 100)
499 || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
501 /* mode sequence is getting too long */
506 LastParseParams[0] = output_mode;
508 if (!output_mode.empty())
510 LastParse = targetchannel ? targetchannel->name : targetuser->nick;
511 LastParse.append(" ");
512 LastParse.append(output_mode);
513 LastParse.append(output_parameters.str());
517 targetchannel->WriteChannel(user, "MODE %s", LastParse.c_str());
518 FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, LastParseParams, LastParseTranslate));
522 targetuser->WriteFrom(user, "MODE %s", LastParse.c_str());
523 FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, LastParseParams, LastParseTranslate));
526 else if (targetchannel && parameters.size() == 2)
528 /* Special case for displaying the list for listmodes,
529 * e.g. MODE #chan b, or MODE #chan +b without a parameter
531 this->DisplayListModes(user, targetchannel, mode_sequence);
535 void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
539 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
541 unsigned char mletter = *letter;
545 /* Ensure the user doesnt request the same mode twice,
546 * so they cant flood themselves off out of idiocy.
548 if (sent[mletter] == seq)
553 ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
555 if (!mh || !mh->IsListMode())
558 ModResult MOD_RESULT;
559 FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0));
560 if (MOD_RESULT == MOD_RES_DENY)
564 if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
566 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You do not have access to view the +%c list",
567 user->nick.c_str(), chan->name.c_str(), mletter);
571 unsigned char handler_id = (mletter - 'A') | MASK_CHANNEL;
573 for(ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
575 std::string dummyparam;
577 if (!((*watchers)->BeforeMode(user, NULL, chan, dummyparam, true, MODETYPE_CHANNEL)))
581 mh->DisplayList(user, chan);
583 mh->DisplayEmptyList(user, chan);
587 const std::string& ModeParser::GetLastParse()
592 void ModeParser::CleanMask(std::string &mask)
594 std::string::size_type pos_of_pling = mask.find_first_of('!');
595 std::string::size_type pos_of_at = mask.find_first_of('@');
596 std::string::size_type pos_of_dot = mask.find_first_of('.');
597 std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
599 if (mask.length() >= 2 && mask[1] == ':')
600 return; // if it's an extban, don't even try guess how it needs to be formed.
602 if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
604 /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
605 if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
607 /* It has no '.' in it, it must be a nick. */
612 /* Got a dot in it? Has to be a host */
613 mask = "*!*@" + mask;
616 else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
618 /* Has an @ but no !, its a user@host */
621 else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
623 /* Has a ! but no @, it must be a nick!ident */
628 bool ModeParser::AddMode(ModeHandler* mh)
630 unsigned char mask = 0;
631 unsigned char pos = 0;
633 /* Yes, i know, this might let people declare modes like '_' or '^'.
634 * If they do that, thats their problem, and if i ever EVER see an
635 * official InspIRCd developer do that, i'll beat them with a paddle!
637 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z') || (mh->GetPrefix() > 126))
640 /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
641 * A mode prefix of ':' will fuck up both server to server, and client to server.
642 * A mode prefix of '#' will mess up /whois and /privmsg
644 if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#'))
647 if (mh->GetPrefix() && FindPrefix(mh->GetPrefix()))
650 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
651 pos = (mh->GetModeChar()-65) | mask;
653 if (modehandlers[pos])
656 modehandlers[pos] = mh;
660 bool ModeParser::DelMode(ModeHandler* mh)
662 unsigned char mask = 0;
663 unsigned char pos = 0;
665 if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
668 mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
669 pos = (mh->GetModeChar()-65) | mask;
671 if (modehandlers[pos] != mh)
674 /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
675 * To stack here we have to make the algorithm slower. Discuss.
677 switch (mh->GetModeType())
680 for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++)
682 mh->RemoveMode(i->second);
685 case MODETYPE_CHANNEL:
686 for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++)
688 mh->RemoveMode(i->second);
693 modehandlers[pos] = NULL;
698 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
700 unsigned char mask = 0;
701 unsigned char pos = 0;
703 if ((modeletter < 'A') || (modeletter > 'z'))
706 mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
707 pos = (modeletter-65) | mask;
709 return modehandlers[pos];
712 std::string ModeParser::UserModeList()
717 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
719 unsigned char pos = (mode-65) | MASK_USER;
721 if (modehandlers[pos])
722 modestr[pointer++] = mode;
724 modestr[pointer++] = 0;
728 std::string ModeParser::ChannelModeList()
733 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
735 unsigned char pos = (mode-65) | MASK_CHANNEL;
737 if (modehandlers[pos])
738 modestr[pointer++] = mode;
740 modestr[pointer++] = 0;
744 std::string ModeParser::ParaModeList()
749 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
751 unsigned char pos = (mode-65) | MASK_CHANNEL;
753 if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true)))
754 modestr[pointer++] = mode;
756 modestr[pointer++] = 0;
760 ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
762 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
764 unsigned char pos = (mode-65) | MASK_CHANNEL;
766 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
768 return modehandlers[pos];
774 std::string ModeParser::GiveModeList(ModeMasks m)
776 std::string type1; /* Listmodes EXCEPT those with a prefix */
777 std::string type2; /* Modes that take a param when adding or removing */
778 std::string type3; /* Modes that only take a param when adding */
779 std::string type4; /* Modes that dont take a param */
781 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
783 unsigned char pos = (mode-65) | m;
784 /* One parameter when adding */
785 if (modehandlers[pos])
787 if (modehandlers[pos]->GetNumParams(true))
789 if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
791 type1 += modehandlers[pos]->GetModeChar();
795 /* ... and one parameter when removing */
796 if (modehandlers[pos]->GetNumParams(false))
798 /* But not a list mode */
799 if (!modehandlers[pos]->GetPrefix())
801 type2 += modehandlers[pos]->GetModeChar();
806 /* No parameters when removing */
807 type3 += modehandlers[pos]->GetModeChar();
813 type4 += modehandlers[pos]->GetModeChar();
818 return type1 + "," + type2 + "," + type3 + "," + type4;
821 std::string ModeParser::BuildPrefixes(bool lettersAndModes)
823 std::string mletters;
824 std::string mprefixes;
825 std::map<int,std::pair<char,char> > prefixes;
827 for (unsigned char mode = 'A'; mode <= 'z'; mode++)
829 unsigned char pos = (mode-65) | MASK_CHANNEL;
831 if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix()))
833 prefixes[modehandlers[pos]->GetPrefixRank()] = std::make_pair(
834 modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetModeChar());
838 for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
840 mletters = mletters + n->second.first;
841 mprefixes = mprefixes + n->second.second;
844 return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
847 bool ModeParser::AddModeWatcher(ModeWatcher* mw)
849 unsigned char mask = 0;
850 unsigned char pos = 0;
855 if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
858 mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
859 pos = (mw->GetModeChar()-65) | mask;
861 modewatchers[pos].push_back(mw);
866 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
868 unsigned char mask = 0;
869 unsigned char pos = 0;
874 if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
877 mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
878 pos = (mw->GetModeChar()-65) | mask;
880 ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
882 if (a == modewatchers[pos].end())
887 modewatchers[pos].erase(a);
892 /** This default implementation can remove simple user modes
894 void ModeHandler::RemoveMode(User* user, irc::modestacker* stack)
896 char moderemove[MAXBUF];
897 std::vector<std::string> parameters;
899 if (user->IsModeSet(this->GetModeChar()))
903 stack->Push(this->GetModeChar());
907 sprintf(moderemove,"-%c",this->GetModeChar());
908 parameters.push_back(user->nick);
909 parameters.push_back(moderemove);
910 ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient);
915 /** This default implementation can remove simple channel modes
918 void ModeHandler::RemoveMode(Channel* channel, irc::modestacker* stack)
920 char moderemove[MAXBUF];
921 std::vector<std::string> parameters;
923 if (channel->IsModeSet(this->GetModeChar()))
927 stack->Push(this->GetModeChar());
931 sprintf(moderemove,"-%c",this->GetModeChar());
932 parameters.push_back(channel->name);
933 parameters.push_back(moderemove);
934 ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
942 ModeChannelPrivate p;
943 ModeChannelModerated m;
944 ModeChannelTopicOps t;
946 ModeChannelNoExternal n;
947 ModeChannelInviteOnly i;
956 ModeUserInvisible ui;
958 ModeUserServerNoticeMask us;
960 void init(ModeParser* modes)
980 static builtin_modes static_modes;
982 ModeParser::ModeParser()
984 /* Clear mode handler list */
985 memset(modehandlers, 0, sizeof(modehandlers));
987 /* Last parse string */
991 memset(&sent, 0, sizeof(sent));
993 static_modes.init(this);
996 ModeParser::~ModeParser()