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commands.cpp:extern InspIRCd* ServerInstance;
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1 /*       +------------------------------------+
2  *       | Inspire Internet Relay Chat Daemon |
3  *       +------------------------------------+
4  *
5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
6  *                       E-mail:
7  *              <brain@chatspike.net>
8  *                <Craig@chatspike.net>
9  *     
10  * Written by Craig Edwards, Craig McLure, and others.
11  * This program is free but copyrighted software; see
12  *          the file COPYING for details.
13  *
14  * ---------------------------------------------------
15  */
16
17 using namespace std;
18
19 #include "inspircd_config.h"
20 #include "inspircd.h"
21 #include "configreader.h"
22 #include <unistd.h>
23 #include "hash_map.h"
24 #include "connection.h"
25 #include "users.h"
26 #include "modules.h"
27 #include "inspstring.h"
28 #include "helperfuncs.h"
29 #include "commands.h"
30 #include "mode.h"
31
32 /* +s (secret) */
33 #include "modes/cmode_s.h"
34 /* +p (private) */
35 #include "modes/cmode_p.h"
36 /* +b (bans) */
37 #include "modes/cmode_b.h"
38 /* +m (moderated) */
39 #include "modes/cmode_m.h"
40 /* +t (only (half) ops can change topic) */
41 #include "modes/cmode_t.h"
42 /* +n (no external messages) */
43 #include "modes/cmode_n.h"
44 /* +i (invite only) */
45 #include "modes/cmode_i.h"
46 /* +k (keyed channel) */
47 #include "modes/cmode_k.h"
48 /* +l (channel user limit) */
49 #include "modes/cmode_l.h"
50 /* +o (channel op) */
51 #include "modes/cmode_o.h"
52 /* +h (channel halfop) */
53 #include "modes/cmode_h.h"
54 /* +v (channel voice) */
55 #include "modes/cmode_v.h"
56
57 /* +s (server notices) */
58 #include "modes/umode_s.h"
59 /* +w (see wallops) */
60 #include "modes/umode_w.h"
61 /* +i (invisible) */
62 #include "modes/umode_i.h"
63 /* +o (operator) */
64 #include "modes/umode_o.h"
65 /* +n (notice mask - our implementation of snomasks) */
66 #include "modes/umode_n.h"
67
68 extern time_t TIME;
69
70 ModeHandler::ModeHandler(InspIRCd* Instance, char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly)
71         : ServerInstance(Instance), mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), oper(operonly)
72 {
73 }
74
75 ModeHandler::~ModeHandler()
76 {
77 }
78
79 bool ModeHandler::IsListMode()
80 {
81         return list;
82 }
83
84 ModeType ModeHandler::GetModeType()
85 {
86         return m_type;
87 }
88
89 bool ModeHandler::NeedsOper()
90 {
91         return oper;
92 }
93
94 int ModeHandler::GetNumParams(bool adding)
95 {
96         return adding ? n_params_on : n_params_off;
97 }
98
99 char ModeHandler::GetModeChar()
100 {
101         return mode;
102 }
103
104 ModeAction ModeHandler::OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
105 {
106         return MODEACTION_DENY;
107 }
108
109 ModePair ModeHandler::ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string &parameter)
110 {
111         if (dest)
112         {
113                 return std::make_pair(dest->IsModeSet(this->mode), "");
114         }
115         else
116         {
117                 return std::make_pair(channel->IsModeSet(this->mode), "");
118         }
119 }
120
121 void ModeHandler::DisplayList(userrec* user, chanrec* channel)
122 {
123 }
124
125 bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel)
126 {
127         return (ours < theirs);
128 }
129
130 ModeWatcher::ModeWatcher(InspIRCd* Instance, char modeletter, ModeType type) : ServerInstance(Instance), mode(modeletter), m_type(type)
131 {
132 }
133
134 ModeWatcher::~ModeWatcher()
135 {
136 }
137
138 char ModeWatcher::GetModeChar()
139 {
140         return mode;
141 }
142
143 ModeType ModeWatcher::GetModeType()
144 {
145         return m_type;
146 }
147
148 bool ModeWatcher::BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding, ModeType type)
149 {
150         return true;
151 }
152
153 void ModeWatcher::AfterMode(userrec* source, userrec* dest, chanrec* channel, const std::string &parameter, bool adding, ModeType type)
154 {
155 }
156
157 userrec* ModeParser::SanityChecks(userrec *user,const char *dest,chanrec *chan,int status)
158 {
159         userrec *d;
160         if ((!user) || (!dest) || (!chan) || (!*dest))
161         {
162                 return NULL;
163         }
164         d = ServerInstance->FindNick(dest);
165         if (!d)
166         {
167                 user->WriteServ("401 %s %s :No such nick/channel",user->nick, dest);
168                 return NULL;
169         }
170         return d;
171 }
172
173 const char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
174 {
175         if (!chan)
176                 return "";
177
178         for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
179         {
180                 ucrec* n = (ucrec*)(*i);
181                 if (n->channel == chan)
182                 {
183                         if (n->uc_modes & MASK)
184                         {
185                                 return "";
186                         }
187                         n->uc_modes = n->uc_modes | MASK;
188                         switch (MASK)
189                         {
190                                 case UCMODE_OP:
191                                         n->channel->AddOppedUser(d);
192                                 break;
193                                 case UCMODE_HOP:
194                                         n->channel->AddHalfoppedUser(d);
195                                 break;
196                                 case UCMODE_VOICE:
197                                         n->channel->AddVoicedUser(d);
198                                 break;
199                         }
200                         log(DEBUG,"grant: %s %s",n->channel->name,d->nick);
201                         return d->nick;
202                 }
203         }
204         return "";
205 }
206
207 const char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
208 {
209         if (!chan)
210                 return "";
211
212         for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
213         {
214                 ucrec* n = (ucrec*)(*i);
215                 if (n->channel == chan)
216                 {
217                         if ((n->uc_modes & MASK) == 0)
218                         {
219                                 return "";
220                         }
221                         n->uc_modes ^= MASK;
222                         switch (MASK)
223                         {
224                                 case UCMODE_OP:
225                                         n->channel->DelOppedUser(d);
226                                 break;
227                                 case UCMODE_HOP:
228                                         n->channel->DelHalfoppedUser(d);
229                                 break;
230                                 case UCMODE_VOICE:
231                                         n->channel->DelVoicedUser(d);
232                                 break;
233                         }
234                         log(DEBUG,"revoke: %s %s",n->channel->name,d->nick);
235                         return d->nick;
236                 }
237         }
238         return "";
239 }
240
241 void ModeParser::DisplayCurrentModes(userrec *user, userrec* targetuser, chanrec* targetchannel, const char* text)
242 {
243         if (targetchannel)
244         {
245                 /* Display channel's current mode string */
246                 user->WriteServ("324 %s %s +%s",user->nick, targetchannel->name, targetchannel->ChanModes(targetchannel->HasUser(user)));
247                 user->WriteServ("329 %s %s %d", user->nick, targetchannel->name, targetchannel->created);
248                 return;
249         }
250         else if (targetuser)
251         {
252                 /* Display user's current mode string */
253                 user->WriteServ("221 %s :+%s",targetuser->nick,targetuser->FormatModes());
254                 user->WriteServ("008 %s :+%s", targetuser->nick, targetuser->FormatNoticeMasks());
255                 return;
256         }
257
258         /* No such nick/channel */
259         user->WriteServ("401 %s %s :No such nick/channel",user->nick, text);
260         return;
261 }
262
263 void ModeParser::Process(const char** parameters, int pcnt, userrec *user, bool servermode)
264 {
265         std::string target = parameters[0];
266         ModeType type = MODETYPE_USER;
267         unsigned char mask = 0;
268         chanrec* targetchannel = ServerInstance->FindChan(parameters[0]);
269         userrec* targetuser  = ServerInstance->FindNick(parameters[0]);
270
271         log(DEBUG,"ModeParser::Process start");
272
273         /* Special case for displaying the list for listmodes,
274          * e.g. MODE #chan b, or MODE #chan +b without a parameter
275          */
276         if ((targetchannel) && (pcnt == 2))
277         {
278                 const char* mode = parameters[1];
279                 if (*mode == '+')
280                 mode++;
281                 unsigned char handler_id = ((*mode) - 65) | MASK_CHANNEL;
282                 ModeHandler* mh = modehandlers[handler_id];
283                 if ((mh) && (mh->IsListMode()))
284                 {
285                         mh->DisplayList(user, targetchannel);
286                         return;
287                 }
288         }
289
290         if (pcnt == 1)
291         {
292                 this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0]);
293         }
294         else if (pcnt > 1)
295         {
296                 if (targetchannel)
297                 {
298                         type = MODETYPE_CHANNEL;
299                         mask = MASK_CHANNEL;
300
301                         /* Extra security checks on channel modes
302                          * (e.g. are they a (half)op?
303                          */
304
305                         if ((IS_LOCAL(user)) && (targetchannel->GetStatus(user) < STATUS_HOP))
306                         {
307                                 /* We don't have halfop */
308                                 log(DEBUG,"The user is not a halfop or above, checking other reasons for being able to set the modes");
309
310                                 /* Are we a uline or is it a servermode? */
311                                 if ((!is_uline(user->server)) && (!servermode))
312                                 {
313                                         /* Not enough permission:
314                                          * NOT a uline and NOT a servermode,
315                                          * OR, NOT halfop or above.
316                                          */
317                                         user->WriteServ("482 %s %s :You're not a channel (half)operator",user->nick, targetchannel->name);
318                                         return;
319                                 }
320                         }
321                 }
322                 else if (targetuser)
323                 {
324                         type = MODETYPE_USER;
325                         mask = MASK_USER;
326                 }
327                 else
328                 {
329                         /* No such nick/channel */
330                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
331                         return;
332                 }
333
334                 std::string mode_sequence = parameters[1];
335                 std::string parameter = "";
336                 std::ostringstream parameter_list;
337                 std::string output_sequence = "";
338                 bool adding = true, state_change = false;
339                 unsigned char handler_id = 0;
340                 int parameter_counter = 2; /* Index of first parameter */
341
342                 for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
343                 {
344                         unsigned char modechar = *letter;
345
346                         switch (modechar)
347                         {
348                                 /* NB:
349                                  * For + and - mode characters, we don't just stick the character into the output sequence.
350                                  * This is because the user may do something dumb, like: +-+ooo or +oo-+. To prevent this
351                                  * appearing in the output sequence, we store a flag which says there was a state change,
352                                  * which is set on any + or -, however, the + or - that we finish on is only appended to
353                                  * the output stream in the event it is followed by a non "+ or -" character, such as o or v.
354                                  */
355                                 case '+':
356                                         /* The following expression prevents: +o+o nick nick, compressing it to +oo nick nick,
357                                          * however, will allow the + if it is the first item in the sequence, regardless.
358                                          */
359                                         if ((!adding) || (!output_sequence.length()))
360                                                 state_change = true;
361                                         adding = true;
362                                         continue;
363                                 break;
364                                 case '-':
365                                         if ((adding) || (!output_sequence.length()))
366                                                 state_change = true;
367                                         adding = false;
368                                         continue;
369                                 break;
370                                 default:
371
372                                         /**
373                                          * Watch carefully for the sleight of hand trick.
374                                          * 65 is the ascii value of 'A'. We take this from
375                                          * the char we're looking at to get a number between
376                                          * 1 and 127. We then logic-or it to get the hashed
377                                          * position, dependent on wether its a channel or
378                                          * a user mode. This is a little stranger, but a lot
379                                          * faster, than using a map of pairs.
380                                          */
381                                         handler_id = (modechar - 65) | mask;
382
383                                         if (modehandlers[handler_id])
384                                         {
385                                                 bool abort = false;
386
387                                                 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
388                                                 {
389                                                         if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY)
390                                                                 abort = true;
391                                                 }
392                                                 if ((modehandlers[handler_id]->GetModeType() == type) && (!abort))
393                                                 {
394                                                         if (modehandlers[handler_id]->GetNumParams(adding))
395                                                         {
396                                                                 /* This mode expects a parameter, do we have any parameters left in our list to use? */
397                                                                 if (parameter_counter < pcnt)
398                                                                 {
399                                                                         parameter = parameters[parameter_counter++];
400                                                                 }
401                                                                 else
402                                                                 {
403                                                                         /* No parameter, continue to the next mode */
404                                                                         continue;
405                                                                 }
406                                                         }
407
408                                                         /* It's an oper only mode, check if theyre an oper. If they arent,
409                                                          * eat any parameter that  came with the mode, and continue to next
410                                                          */
411                                                         if ((IS_LOCAL(user)) && (modehandlers[handler_id]->NeedsOper()) && (!*user->oper))
412                                                                 continue;
413
414                                                         /* Call the handler for the mode */
415                                                         ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
416
417                                                         if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter == ""))
418                                                         {
419                                                                 /* The handler nuked the parameter and they are supposed to have one.
420                                                                  * We CANT continue now, even if they actually returned MODEACTION_ALLOW,
421                                                                  * so we bail to the next mode character.
422                                                                  */
423                                                                 continue;
424                                                         }
425
426                                                         if (ma == MODEACTION_ALLOW)
427                                                         {
428                                                                 /* We're about to output a valid mode letter - was there previously a pending state-change? */
429                                                                 if (state_change)
430                                                                         output_sequence.append(adding ? "+" : "-");
431                                                                 
432                                                                 /* Add the mode letter */
433                                                                 output_sequence.push_back(modechar);
434
435                                                                 /* Is there a valid parameter for this mode? If so add it to the parameter list */
436                                                                 if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != ""))
437                                                                         parameter_list << " " << parameter;
438
439                                                                 /* Call all the AfterMode events in the mode watchers for this mode */
440                                                                 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
441                                                                         (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type);
442
443                                                                 /* Reset the state change flag */
444                                                                 state_change = false;
445                                                         }
446                                                 }
447                                         }
448                                         else
449                                         {
450                                                 /* No mode handler? Unknown mode character then. */
451                                                 user->WriteServ("472 %s %c :is unknown mode char to me",user->nick, modechar);
452                                         }
453                                 break;
454                         }
455                 }
456                 /* Was there at least one valid mode in the sequence? */
457                 if (output_sequence != "")
458                 {
459                         if (servermode)
460                         {
461                                 if (type == MODETYPE_CHANNEL)
462                                 {
463                                         targetchannel->WriteChannelWithServ(ServerInstance->Config->ServerName, "MODE %s %s%s", targetchannel->name, output_sequence.c_str(), parameter_list.str().c_str());
464                                 }
465                                 else
466                                 {
467                                         targetuser->WriteServ("MODE %s %s",targetuser->nick,output_sequence.c_str());
468                                 }
469                         }
470                         else
471                         {
472                                 if (type == MODETYPE_CHANNEL)
473                                 {
474                                         log(DEBUG,"Write output sequence and parameters to channel: %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
475                                         targetchannel->WriteChannel(user,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
476                                         FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, output_sequence + parameter_list.str()));
477                                 }
478                                 else
479                                 {
480                                         user->WriteTo(targetuser,"MODE %s %s",targetuser->nick,output_sequence.c_str());
481                                         FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence));
482                                 }
483                         }
484                 }
485         }
486 }
487
488
489 void cmd_mode::Handle (const char** parameters, int pcnt, userrec *user)
490 {
491         if (!user)
492                 return;
493
494         ServerInstance->ModeGrok->Process(parameters, pcnt, user, false);
495
496         return;
497 }
498
499 void ModeParser::CleanMask(std::string &mask)
500 {
501         std::string::size_type pos_of_pling = mask.find_first_of('!');
502         std::string::size_type pos_of_at = mask.find_first_of('@');
503         std::string::size_type pos_of_dot = mask.find_first_of('.');
504         std::string::size_type pos_of_colon = mask.find_first_of(':'); /* Because ipv6 addresses are colon delimited */
505
506         if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
507         {
508                 /* Just a nick, or just a host */
509                 if ((pos_of_dot == std::string::npos) && (pos_of_colon == std::string::npos))
510                 {
511                         /* It has no '.' in it, it must be a nick. */
512                         mask.append("!*@*");
513                 }
514                 else
515                 {
516                         /* Got a dot in it? Has to be a host */
517                         mask = "*!*@" + mask;
518                 }
519         }
520         else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
521         {
522                 /* Has an @ but no !, its a user@host */
523                  mask = "*!" + mask;
524         }
525         else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
526         {
527                 /* Has a ! but no @, it must be a nick!ident */
528                 mask.append("@*");
529         }
530 }
531
532 bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter)
533 {
534         unsigned char mask = 0;
535         unsigned char pos = 0;
536
537         /* Yes, i know, this might let people declare modes like '_' or '^'.
538          * If they do that, thats their problem, and if i ever EVER see an
539          * official InspIRCd developer do that, i'll beat them with a paddle!
540          */
541         if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
542                 return false;
543
544         mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
545         pos = (mh->GetModeChar()-65) | mask;
546
547         if (modehandlers[pos])
548                 return false;
549
550         modehandlers[pos] = mh;
551         log(DEBUG,"ModeParser::AddMode: added mode %c",mh->GetModeChar());
552         return true;
553 }
554
555 ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
556 {
557         unsigned char mask = 0;
558         unsigned char pos = 0;
559
560         if ((modeletter < 'A') || (modeletter > 'z'))
561                 return NULL;
562
563         mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
564         pos = (modeletter-65) | mask;
565
566         return modehandlers[pos];
567 }
568
569 std::string ModeParser::UserModeList()
570 {
571         char modestr[256];
572         int pointer = 0;
573
574         for (unsigned char mode = 'A'; mode <= 'z'; mode++)
575         {
576                 unsigned char pos = (mode-65) | MASK_USER;
577
578                 if (modehandlers[pos])
579                         modestr[pointer++] = mode;
580         }
581         modestr[pointer++] = 0;
582         return modestr;
583 }
584
585 std::string ModeParser::ChannelModeList()
586 {
587         char modestr[256];
588         int pointer = 0;
589
590         for (unsigned char mode = 'A'; mode <= 'z'; mode++)
591         {
592                 unsigned char pos = (mode-65) | MASK_CHANNEL;
593
594                 if (modehandlers[pos])
595                         modestr[pointer++] = mode;
596         }
597         modestr[pointer++] = 0;
598         return modestr;
599 }
600
601 std::string ModeParser::ParaModeList()
602 {
603         char modestr[256];
604         int pointer = 0;
605
606         for (unsigned char mode = 'A'; mode <= 'z'; mode++)
607         {
608                 unsigned char pos = (mode-65) | MASK_CHANNEL;
609
610                 if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true)))
611                         modestr[pointer++] = mode;
612         }
613         modestr[pointer++] = 0;
614         return modestr;
615 }
616
617 bool ModeParser::AddModeWatcher(ModeWatcher* mw)
618 {
619         unsigned char mask = 0;
620         unsigned char pos = 0;
621
622         if (!mw)
623                 return false;
624
625         if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
626                 return false;
627
628         mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
629         pos = (mw->GetModeChar()-65) | mask;
630
631         modewatchers[pos].push_back(mw);
632         log(DEBUG,"ModeParser::AddModeWatcher: watching mode %c",mw->GetModeChar());
633
634         return true;
635 }
636
637 bool ModeParser::DelModeWatcher(ModeWatcher* mw)
638 {
639         unsigned char mask = 0;
640         unsigned char pos = 0;
641
642         if (!mw)
643                 return false;
644
645         if ((mw->GetModeType() < 'A') || (mw->GetModeType() > 'z'))
646                 return false;
647
648         mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
649         pos = (mw->GetModeChar()-65) | mask;
650
651         ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
652
653         if (a == modewatchers[pos].end())
654                 return false;
655
656         modewatchers[pos].erase(a);
657         log(DEBUG,"ModeParser::DelModeWatcher: stopped watching mode %c",mw->GetModeChar());
658
659         return true;
660 }
661
662 ModeParser::ModeParser(InspIRCd* Instance) : ServerInstance(Instance)
663 {
664         /* Clear mode list */
665         memset(modehandlers, 0, sizeof(modehandlers));
666         memset(modewatchers, 0, sizeof(modewatchers));
667
668         /* Initialise the RFC mode letters */
669
670         /* Start with channel simple modes, no params */
671         this->AddMode(new ModeChannelSecret(Instance), 's');
672         this->AddMode(new ModeChannelPrivate(Instance), 'p');
673         this->AddMode(new ModeChannelModerated(Instance), 'm');
674         this->AddMode(new ModeChannelTopicOps(Instance), 't');
675         this->AddMode(new ModeChannelNoExternal(Instance), 'n');
676         this->AddMode(new ModeChannelInviteOnly(Instance), 'i');
677
678         /* Cannel modes with params */
679         this->AddMode(new ModeChannelKey(Instance), 'k');
680         this->AddMode(new ModeChannelLimit(Instance), 'l');
681
682         /* Channel listmodes */
683         this->AddMode(new ModeChannelBan(Instance), 'b');
684         this->AddMode(new ModeChannelOp(Instance), 'o');
685         this->AddMode(new ModeChannelHalfOp(Instance), 'h');
686         this->AddMode(new ModeChannelVoice(Instance), 'v');
687
688         /* Now for usermodes */
689         this->AddMode(new ModeUserServerNotice(Instance), 's');
690         this->AddMode(new ModeUserWallops(Instance), 'w');
691         this->AddMode(new ModeUserInvisible(Instance), 'i');
692         this->AddMode(new ModeUserOperator(Instance), 'o');
693         this->AddMode(new ModeUserServerNoticeMask(Instance), 'n');
694 }
695
696 bool ModeParser::InsertMode(std::string &output, const char* mode, unsigned short section)
697 {
698         unsigned short currsection = 1;
699         unsigned int pos = output.find("CHANMODES=", 0) + 10; // +10 for the length of "CHANMODES="
700
701         if(section > 4 || section == 0)
702         {
703                 log(DEBUG, "InsertMode: CHANMODES doesn't have a section %dh :/", section);
704                 return false;
705         }
706
707         for(; pos < output.size(); pos++)
708         {
709                 if(section == currsection)
710                         break;
711
712                 if(output[pos] == ',')
713                         currsection++;
714         }
715
716         output.insert(pos, mode);
717         return true;
718 }
719