1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
19 #include "inspircd_config.h"
21 #include "configreader.h"
23 #include <sys/errno.h>
27 #include <ext/hash_map>
35 #include "connection.h"
45 #include "inspstring.h"
46 #include "helperfuncs.h"
50 extern std::vector<Module*> modules;
51 extern std::vector<ircd_module*> factory;
52 extern InspIRCd* ServerInstance;
53 extern ServerConfig* Config;
57 ModeHandler::ModeHandler(char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly) : mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), oper(operonly)
61 ModeHandler::~ModeHandler()
65 bool ModeHandler::IsListMode()
70 ModeType ModeHandler::GetModeType()
75 bool ModeHandler::NeedsOper()
80 int ModeHandler::GetNumParams(bool adding)
82 return adding ? n_params_on : n_params_off;
85 char ModeHandler::GetModeChar()
90 ModeAction ModeHandler::OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
92 return MODEACTION_DENY;
95 void ModeHandler::DisplayList(userrec* user, chanrec* channel)
99 bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel)
101 return (ours < theirs);
104 ModeWatcher::ModeWatcher(char modeletter, ModeType type) : mode(modeletter), m_type(type)
108 ModeWatcher::~ModeWatcher()
112 char ModeWatcher::GetModeChar()
117 ModeType ModeWatcher::GetModeType()
122 bool ModeWatcher::BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding, ModeType type)
127 void ModeWatcher::AfterMode(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter, bool adding, ModeType type)
131 userrec* ModeParser::SanityChecks(userrec *user,char *dest,chanrec *chan,int status)
134 if ((!user) || (!dest) || (!chan) || (!*dest))
141 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
147 char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
152 for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
154 if (((ucrec*)(*i))->channel == chan)
156 if (((ucrec*)(*i))->uc_modes & MASK)
160 ((ucrec*)(*i))->uc_modes = ((ucrec*)(*i))->uc_modes | MASK;
164 ((ucrec*)(*i))->channel->AddOppedUser(d);
167 ((ucrec*)(*i))->channel->AddHalfoppedUser(d);
170 ((ucrec*)(*i))->channel->AddVoicedUser(d);
173 log(DEBUG,"grant: %s %s",((ucrec*)(*i))->channel->name,d->nick);
180 char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
185 for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
187 if (((ucrec*)(*i))->channel == chan)
189 if ((((ucrec*)(*i))->uc_modes & MASK) == 0)
193 ((ucrec*)(*i))->uc_modes ^= MASK;
197 ((ucrec*)(*i))->channel->DelOppedUser(d);
200 ((ucrec*)(*i))->channel->DelHalfoppedUser(d);
203 ((ucrec*)(*i))->channel->DelVoicedUser(d);
206 log(DEBUG,"revoke: %s %s",((ucrec*)(*i))->channel->name,d->nick);
213 char* ModeParser::GiveOps(userrec *user,char *dest,chanrec *chan,int status)
215 userrec *d = this->SanityChecks(user,dest,chan,status);
222 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_OP));
224 if (MOD_RESULT == ACR_DENY)
226 if (MOD_RESULT == ACR_DEFAULT)
228 if ((status < STATUS_OP) && (!is_uline(user->server)))
230 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
236 return this->Grant(d,chan,UCMODE_OP);
241 char* ModeParser::GiveHops(userrec *user,char *dest,chanrec *chan,int status)
243 userrec *d = this->SanityChecks(user,dest,chan,status);
250 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_HALFOP));
252 if (MOD_RESULT == ACR_DENY)
254 if (MOD_RESULT == ACR_DEFAULT)
256 if ((status < STATUS_OP) && (!is_uline(user->server)))
258 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
264 return this->Grant(d,chan,UCMODE_HOP);
269 char* ModeParser::GiveVoice(userrec *user,char *dest,chanrec *chan,int status)
271 userrec *d = this->SanityChecks(user,dest,chan,status);
278 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_VOICE));
280 if (MOD_RESULT == ACR_DENY)
282 if (MOD_RESULT == ACR_DEFAULT)
284 if ((status < STATUS_HOP) && (!is_uline(user->server)))
286 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
292 return this->Grant(d,chan,UCMODE_VOICE);
297 char* ModeParser::TakeOps(userrec *user,char *dest,chanrec *chan,int status)
299 userrec *d = this->SanityChecks(user,dest,chan,status);
306 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEOP));
308 if (MOD_RESULT == ACR_DENY)
310 if (MOD_RESULT == ACR_DEFAULT)
312 if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user)))
314 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
320 return this->Revoke(d,chan,UCMODE_OP);
325 char* ModeParser::TakeHops(userrec *user,char *dest,chanrec *chan,int status)
327 userrec *d = this->SanityChecks(user,dest,chan,status);
334 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEHALFOP));
336 if (MOD_RESULT == ACR_DENY)
338 if (MOD_RESULT == ACR_DEFAULT)
340 /* Tweak by Brain suggested by w00t, allow a halfop to dehalfop themselves */
341 if ((user != d) && ((status < STATUS_OP) && (!is_uline(user->server))))
343 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
349 return this->Revoke(d,chan,UCMODE_HOP);
354 char* ModeParser::TakeVoice(userrec *user,char *dest,chanrec *chan,int status)
356 userrec *d = this->SanityChecks(user,dest,chan,status);
363 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEVOICE));
365 if (MOD_RESULT == ACR_DENY)
367 if (MOD_RESULT == ACR_DEFAULT)
369 if ((status < STATUS_HOP) && (!is_uline(user->server)))
371 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
377 return this->Revoke(d,chan,UCMODE_VOICE);
382 char* ModeParser::AddBan(userrec *user,char *dest,chanrec *chan,int status)
385 int toomanyexclamation = 0;
388 if ((!user) || (!dest) || (!chan) || (!*dest))
390 log(DEFAULT,"*** BUG *** AddBan was given an invalid parameter");
394 for (char* i = dest; *i; i++)
396 if ((*i < 32) || (*i > 126))
402 toomanyexclamation++;
410 if (toomanyexclamation != 1 || toomanyat != 1)
412 * this stops sillyness like n!u!u!u@h, though note that most
413 * ircds don't actually verify banmask validity. --w00t
417 long maxbans = GetMaxBans(chan->name);
418 if ((unsigned)chan->bans.size() > (unsigned)maxbans)
420 WriteServ(user->fd,"478 %s %s :Channel ban list for %s is full (maximum entries for this channel is %d)",user->nick, chan->name,chan->name,maxbans);
424 log(DEBUG,"AddBan: %s %s",chan->name,user->nick);
427 FOREACH_RESULT(I_OnAddBan,OnAddBan(user,chan,dest));
432 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
434 if (!strcasecmp(i->data,dest))
436 // dont allow a user to set the same ban twice
442 strlcpy(b.data,dest,MAXBUF);
445 strlcpy(b.set_by,user->nick,NICKMAX-1);
449 strlcpy(b.set_by,Config->ServerName,NICKMAX-1);
451 chan->bans.push_back(b);
455 char* ModeParser::TakeBan(userrec *user,char *dest,chanrec *chan,int status)
457 if ((!user) || (!dest) || (!chan) || (!*dest)) {
458 log(DEFAULT,"*** BUG *** TakeBan was given an invalid parameter");
462 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
463 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
465 if (!strcasecmp(i->data,dest))
468 FOREACH_RESULT(I_OnDelBan,OnDelBan(user,chan,dest));
478 void ModeParser::Process(char **parameters, int pcnt, userrec *user, bool servermode)
480 std::string target = parameters[0];
481 ModeType type = MODETYPE_USER;
482 chanrec* targetchannel = FindChan(parameters[0]);
483 userrec* targetuser = Find(parameters[0]);
489 type = MODETYPE_CHANNEL;
493 type = MODETYPE_USER;
497 /* No such nick/channel */
500 std::string mode_sequence = parameters[1];
501 std::string parameter = "";
502 std::ostringstream parameter_list;
503 std::string output_sequence = "";
504 bool adding = true, state_change = false;
506 int parameter_counter = 2; /* Index of first parameter */
508 for (std::string::const_iterator modeletter = mode_sequence.begin(); modeletter != mode_sequence.end(); modeletter++)
513 * For + and - mode characters, we don't just stick the character into the output sequence.
514 * This is because the user may do something dumb, like: +-+ooo or +oo-+. To prevent this
515 * appearing in the output sequence, we store a flag which says there was a state change,
516 * which is set on any + or -, however, the + or - that we finish on is only appended to
517 * the output stream in the event it is followed by a non "+ or -" character, such as o or v.
520 /* The following expression prevents: +o+o nick nick, compressing it to +oo nick nick,
521 * however, will allow the + if it is the first item in the sequence, regardless.
523 if ((!adding) || (!output_sequence.length()))
529 if ((adding) || (!output_sequence.length()))
536 /* 65 is the ascii value of 'A' */
537 handler_id = *modeletter - 65;
539 if (modehandlers[handler_id])
542 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
544 if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY)
547 if ((modehandlers[handler_id]->GetModeType() == type) && (!abort))
549 if (modehandlers[handler_id]->GetNumParams(adding))
551 if (pcnt < parameter_counter)
553 parameter = parameters[parameter_counter++];
560 ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
561 if (ma == MODEACTION_ALLOW)
563 /* We're about to output a valid mode letter - was there previously a pending state-change? */
565 output_sequence.append(adding ? "+" : "-");
567 /* Add the mode letter */
568 output_sequence = output_sequence + *modeletter;
570 /* Is there a valid parameter for this mode? If so add it to the parameter list */
571 if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != ""))
573 parameter_list << " " << parameter;
576 /* Call all the AfterMode events in the mode watchers for this mode */
577 for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
579 (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type);
582 /* Reset the state change flag */
583 state_change = false;
590 /* Was there at least one valid mode in the sequence? */
591 if (output_sequence != "")
595 if (type == MODETYPE_CHANNEL)
597 WriteChannelWithServ(Config->ServerName,targetchannel,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
602 if (type == MODETYPE_CHANNEL)
604 WriteChannel(targetchannel,user,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
605 FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, output_sequence + parameter_list.str()));
612 std::string ModeParser::CompressModes(std::string modes,bool channelmodes)
617 void ModeParser::ProcessModes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
619 if ((!parameters) || (pcnt < 2)) {
623 char outlist[MAXBUF];
631 bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
637 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
638 if (MOD_RESULT == ACR_DENY)
642 std::string tidied = this->CompressModes(parameters[1],true);
643 strlcpy(mlist,tidied.c_str(),MAXBUF);
644 char* modelist = mlist;
646 *outlist = *modelist;
647 char* outl = outlist+1;
649 mdir = (*modelist == '+');
651 log(DEBUG,"process_modes: modelist: %s",modelist);
653 int len = tidied.length();
654 while (modelist[len-1] == ' ')
655 modelist[--len] = '\0';
657 for (char* modechar = (modelist + 1); *modechar; ptr++, modechar++)
661 /* If we have more than MAXMODES changes in one line,
662 * drop all after the MAXMODES
683 if ((param >= pcnt)) break;
684 log(DEBUG,"Enough parameters left");
689 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], true, 1));
692 r = GiveOps(user,parameters[param++],chan,status);
699 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], false, 1));
702 r = TakeOps(user,parameters[param++],chan,status);
714 if (((param >= pcnt)) || (!Config->AllowHalfop)) break;
719 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], true, 1));
722 r = GiveHops(user,parameters[param++],chan,status);
729 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], false, 1));
732 r = TakeHops(user,parameters[param++],chan,status);
745 if ((param >= pcnt)) break;
750 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], true, 1));
753 r = GiveVoice(user,parameters[param++],chan,status);
760 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], false, 1));
763 r = TakeVoice(user,parameters[param++],chan,status);
775 if ((param >= pcnt)) break;
780 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], true, 1));
783 r = AddBan(user,parameters[param++],chan,status);
790 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], false, 1));
793 r = TakeBan(user,parameters[param++],chan,status);
800 outpars[pc++] = parameters[param-1];
814 if (previously_unset_k)
816 previously_set_k = true;
818 if (!chan->modes[CM_KEY])
821 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], true, 1));
826 strlcpy(key,parameters[param++],32);
828 strlcpy(chan->key,key,MAXBUF);
829 chan->modes[CM_KEY] = 1;
837 /* checks on -k are case sensitive and only accurate to the
838 first 32 characters */
839 if (previously_set_k)
841 previously_unset_k = true;
845 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], false, 1));
848 strlcpy(key,parameters[param++],32);
849 /* only allow -k if correct key given */
850 if (!strcmp(chan->key,key))
854 chan->modes[CM_KEY] = 0;
865 if (previously_set_l)
867 previously_unset_l = true;
869 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', "", false, 0));
872 if (chan->modes[CM_LIMIT])
876 chan->modes[CM_LIMIT] = 0;
881 if ((param >= pcnt)) break;
886 if (previously_unset_l)
888 previously_set_l = true;
889 bool invalid = false;
890 for (char* f = parameters[param]; *f; f++)
892 if ((*f < '0') || (*f > '9'))
897 /* If the limit is < 1, or the new limit is the current limit, dont allow */
898 if ((atoi(parameters[param]) < 1) || ((chan->limit > 0) && (atoi(parameters[param]) == chan->limit)))
907 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', parameters[param], true, 1));
911 chan->limit = atoi(parameters[param]);
913 // reported by mech: large values cause underflow
915 chan->limit = 0x7FFF;
921 chan->modes[CM_LIMIT] = 1;
922 outpars[pc++] = parameters[param++];
930 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'i', "", mdir, 0));
935 if (!(chan->modes[CM_INVITEONLY])) *outl++ = 'i';
936 chan->modes[CM_INVITEONLY] = 1;
940 if (chan->modes[CM_INVITEONLY]) *outl++ = 'i';
941 chan->modes[CM_INVITEONLY] = 0;
948 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 't', "", mdir, 0));
953 if (!(chan->modes[CM_TOPICLOCK])) *outl++ = 't';
954 chan->modes[CM_TOPICLOCK] = 1;
958 if (chan->modes[CM_TOPICLOCK]) *outl++ = 't';
959 chan->modes[CM_TOPICLOCK] = 0;
966 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'n', "", mdir, 0));
971 if (!(chan->modes[CM_NOEXTERNAL])) *outl++ = 'n';
972 chan->modes[CM_NOEXTERNAL] = 1;
976 if (chan->modes[CM_NOEXTERNAL]) *outl++ = 'n';
977 chan->modes[CM_NOEXTERNAL] = 0;
984 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'm', "", mdir, 0));
989 if (!(chan->modes[CM_MODERATED])) *outl++ = 'm';
990 chan->modes[CM_MODERATED] = 1;
994 if (chan->modes[CM_MODERATED]) *outl++ = 'm';
995 chan->modes[CM_MODERATED] = 0;
1002 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 's', "", mdir, 0));
1007 if (!(chan->modes[CM_SECRET])) *outl++ = 's';
1008 chan->modes[CM_SECRET] = 1;
1009 if (chan->modes[CM_PRIVATE])
1011 chan->modes[CM_PRIVATE] = 0;
1014 *outl++ = '-'; *outl++ = 'p'; *outl++ = '+';
1020 if (chan->modes[CM_SECRET]) *outl++ = 's';
1021 chan->modes[CM_SECRET] = 0;
1028 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'p', "", mdir, 0));
1033 if(!(chan->modes[CM_PRIVATE]))
1036 chan->modes[CM_PRIVATE] = 1;
1038 if(chan->modes[CM_SECRET])
1040 chan->modes[CM_SECRET] = 0;
1049 if(chan->modes[CM_PRIVATE])
1052 chan->modes[CM_PRIVATE] = 0;
1060 bool x = chan->modes[*modechar-65];
1061 if ((!x && !mdir) || (x && mdir))
1063 if (!ModeIsListMode(*modechar,MT_CHANNEL))
1065 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",*modechar,chan->name);
1069 if (ModeDefined(*modechar,MT_CHANNEL))
1071 /* A module has claimed this mode */
1074 if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
1076 p.push_back(parameters[param]);
1078 if ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir))
1080 p.push_back(parameters[param]);
1083 bool handled = false;
1086 // we're supposed to have a parameter, but none was given... so dont handle the mode.
1087 if (((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir)))
1089 log(DEBUG,"Not enough parameters for module-mode %c",*modechar);
1094 // BIG ASS IDIOTIC CODER WARNING!
1095 // Using OnRawMode on another modules mode's behavour
1096 // will confuse the crap out of admins! just because you CAN
1097 // do it, doesnt mean you SHOULD!
1099 std::string para = "";
1103 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *modechar, para, mdir, pcnt));
1106 for (int i = 0; i <= MODCOUNT; i++)
1110 int t = modules[i]->OnExtendedMode(user,chan,*modechar,MT_CHANNEL,mdir,p);
1113 log(DEBUG,"OnExtendedMode returned nonzero for a module");
1114 if (ModeIsListMode(*modechar,MT_CHANNEL))
1125 *outl++ = *modechar;
1127 outpars[pc++] = parameters[param++];
1132 *outl++ = *modechar;
1133 chan->SetCustomMode(*modechar,mdir);
1134 // include parameters in output if mode has them
1135 if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
1139 chan->SetCustomModeParam(*modechar,parameters[param],mdir);
1140 outpars[pc++] = parameters[param++];
1144 // break, because only one module can handle the mode.
1153 WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,*modechar);
1159 /* Null terminate it now we're done */
1163 /************ Fast, but confusing string tidying ************/
1165 while (*outl && (*outl < 'A'))
1167 /* outl now points to the first mode character after +'s and -'s */
1169 /* Now points at first mode-modifier + or - symbol */
1171 /* Now we tidy off any trailing -'s etc */
1174 while ((*--trim == '+') || (*trim == '-'))
1176 /************ Done wih the string tidy functions ************/
1179 /* The mode change must be at least two characters long (+ or - and at least one mode) */
1180 if (((*outl == '+') || (*outl == '-')) && *(outl+1))
1182 for (ptr = 0; ptr < pc; ptr++)
1184 charlcat(outl,' ',MAXBUF);
1185 strlcat(outl,outpars[ptr],MAXBUF-1);
1189 log(DEBUG,"Local mode change");
1190 WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outl);
1191 FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
1199 WriteChannelWithServ(Config->ServerName,chan,"MODE %s %s",chan->name,outl);
1207 WriteChannel(chan,user,"MODE %s %s",chan->name,outl);
1208 FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
1215 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
1217 bool ModeParser::AllowedUmode(char umode, char* sourcemodes,bool adding,bool serveroverride)
1219 bool sourceoper = (strchr(sourcemodes,'o') != NULL);
1220 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
1221 // Servers can +o and -o arbitrarily
1222 if ((serveroverride == true) && (umode == 'o'))
1226 // RFC1459 specified modes
1227 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
1229 /* umode allowed by RFC1459 scemantics */
1233 /* user may not +o themselves or others, but an oper may de-oper other opers or themselves */
1234 if (sourceoper && !adding)
1238 else if (umode == 'o')
1240 /* Bad oper, bad bad! */
1244 /* process any module-defined modes that need oper */
1245 if ((ModeDefinedOper(umode,MT_CLIENT)) && (sourceoper))
1247 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
1250 else if (ModeDefined(umode,MT_CLIENT))
1252 // process any module-defined modes that don't need oper
1253 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
1254 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!sourceoper))
1256 // no, this mode needs oper, and this user 'aint got what it takes!
1262 // anything else - return false.
1263 log(DEBUG,"umode %c not known by any ruleset",umode);
1267 bool ModeParser::ProcessModuleUmode(char umode, userrec* source, void* dest, bool adding)
1274 strlcpy(s2->nick,Config->ServerName,NICKMAX-1);
1283 if (ModeDefined(umode,MT_CLIENT))
1285 for (int i = 0; i <= MODCOUNT; i++)
1287 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
1289 log(DEBUG,"Module %s claims umode %c",Config->module_names[i].c_str(),umode);
1293 log(DEBUG,"No module claims umode %c",umode);
1312 void cmd_mode::Handle (char **parameters, int pcnt, userrec *user)
1315 userrec* dest = Find(parameters[0]);
1319 char outpars[MAXBUF];
1320 bool next_ok = true;
1325 if ((dest) && (pcnt == 1))
1327 WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
1330 else if ((dest) && (pcnt > 1))
1332 std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
1333 parameters[1] = (char*)tidied.c_str();
1335 char dmodes[MAXBUF];
1336 strlcpy(dmodes,dest->modes,MAXMODES);
1337 log(DEBUG,"pulled up dest user modes: %s",dmodes);
1342 if ((*user->oper) || (is_uline(user->server)))
1353 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
1357 outpars[0] = *parameters[1];
1359 direction = (*parameters[1] == '+');
1361 if ((*parameters[1] != '+') && (*parameters[1] != '-'))
1364 for (char* i = parameters[1]; *i; i++)
1366 if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
1375 if ((direction != 1) && (next_ok))
1377 charlcat(outpars,'+',MAXBUF);
1384 if ((direction != 0) && (next_ok))
1386 charlcat(outpars,'-',MAXBUF);
1400 if ((*i == 'i') || (*i == 'w') || (*i == 's') || (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,direction,false)))
1409 if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,false)))
1411 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1413 charlcat(dmodes,*i,53);
1414 charlcat(outpars,*i,MAXMODES);
1418 FOREACH_MOD(I_OnGlobalOper,OnGlobalOper(dest));
1421 dest->modebits |= UM_INVISIBLE;
1424 dest->modebits |= UM_SERVERNOTICE;
1427 dest->modebits |= UM_WALLOPS;
1437 if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,false)) && (strchr(dmodes,*i)))
1439 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1441 charlcat(outpars,*i,MAXMODES);
1442 charremove(dmodes,*i);
1450 dest->modebits &= ~UM_INVISIBLE;
1453 dest->modebits &= ~UM_SERVERNOTICE;
1456 dest->modebits &= ~UM_WALLOPS;
1473 for (char* i = outpars; *i;)
1476 if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
1478 // someones playing silly buggers and trying
1479 // to put a +- or -+ into the line...
1484 // Someone's trying to make the last character in
1485 // the line be a + or - symbol.
1486 if ((*i == '-') || (*i == '+'))
1494 if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
1496 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1497 FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
1500 log(DEBUG,"Stripped mode line");
1501 log(DEBUG,"Line dest is now %s",dmodes);
1502 strlcpy(dest->modes,dmodes,MAXMODES-1);
1510 chan = FindChan(parameters[0]);
1515 /* just /modes #channel */
1516 WriteServ(user->fd,"324 %s %s +%s",user->nick, chan->name, chanmodes(chan, chan->HasUser(user)));
1517 WriteServ(user->fd,"329 %s %s %d", user->nick, chan->name, chan->created);
1522 char* mode = parameters[1];
1529 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *mode, "", false, 0));
1534 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
1536 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, chan->name, i->data, i->set_by, i->set_time);
1538 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, chan->name);
1542 if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
1544 // list of items for an extmode
1545 log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
1546 FOREACH_MOD(I_OnSendList,OnSendList(user,chan,*mode));
1552 if ((IS_LOCAL(user)) && (!is_uline(user->server)) && (!chan->HasUser(user)))
1554 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, chan->name);
1559 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, chan, AC_GENERAL_MODE));
1561 if(MOD_RESULT == ACR_DENY)
1564 if(MOD_RESULT == ACR_DEFAULT)
1566 if ((IS_LOCAL(user)) && (cstatus(user,chan) < STATUS_HOP))
1568 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1573 ServerInstance->ModeGrok->ProcessModes(parameters,user,chan,cstatus(user,chan),pcnt,false,false,false);
1577 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1585 void ModeParser::ServerMode(char **parameters, int pcnt, userrec *user)
1588 userrec* dest = Find(parameters[0]);
1591 char outpars[MAXBUF];
1592 bool next_ok = true;
1594 if ((dest) && (pcnt > 1))
1596 std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
1597 parameters[1] = (char*)tidied.c_str();
1599 char dmodes[MAXBUF];
1600 strlcpy(dmodes,dest->modes,MAXBUF);
1602 outpars[0] = *parameters[1];
1604 direction = (*parameters[1] == '+');
1606 if ((*parameters[1] != '+') && (*parameters[1] != '-'))
1609 for (char* i = parameters[1]; *i; i++)
1611 if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
1620 if ((direction != 1) && (next_ok))
1623 charlcat(outpars,'+',MAXBUF);
1629 if ((direction != 0) && (next_ok))
1632 charlcat(outpars,'-',MAXBUF);
1638 log(DEBUG,"begin mode processing entry");
1644 log(DEBUG,"umode %c being added",*i);
1645 if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,true)))
1647 log(DEBUG,"umode %c is an allowed umode",*i);
1648 if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)))
1650 charlcat(dmodes,*i,MAXBUF);
1651 charlcat(outpars,*i,53);
1655 dest->modebits |= UM_INVISIBLE;
1658 dest->modebits |= UM_SERVERNOTICE;
1661 dest->modebits |= UM_WALLOPS;
1671 // can only remove a mode they already have
1672 log(DEBUG,"umode %c being removed",*i);
1673 if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,true)) && (strchr(dmodes,*i)))
1675 log(DEBUG,"umode %c is an allowed umode",*i);
1676 if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)))
1678 charlcat(outpars,*i,MAXBUF);
1679 charremove(dmodes,*i);
1683 dest->modebits &= ~UM_INVISIBLE;
1686 dest->modebits &= ~UM_SERVERNOTICE;
1689 dest->modebits &= ~UM_WALLOPS;
1706 for (char* i = outpars; *i;)
1709 if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
1711 // someones playing silly buggers and trying
1712 // to put a +- or -+ into the line...
1717 // Someone's trying to make the last character in
1718 // the line be a + or - symbol.
1719 if ((*i == '-') || (*i == '+'))
1727 if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
1729 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1730 FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
1733 log(DEBUG,"Stripped mode line");
1734 log(DEBUG,"Line dest is now %s",dmodes);
1735 strlcpy(dest->modes,dmodes,MAXMODES-1);
1742 Ptr = FindChan(parameters[0]);
1745 ServerInstance->ModeGrok->ProcessModes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1749 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);