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, bool listmode, ModeType type, bool operonly) : mode(modeletter), n_params(parameters), 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()
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)
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;
507 for (std::string::const_iterator modeletter = mode_sequence.begin(); modeletter != mode_sequence.end(); modeletter++)
523 output_sequence.append(adding ? "+" : "-");
525 handler_id = *modeletter-65;
526 state_change = false;
528 if (modehandlers[handler_id])
531 for (std::vector<ModeWatcher*>::iterator watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
533 if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY)
536 if ((modehandlers[handler_id]->GetModeType() == type) && (!abort))
538 ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
539 if (ma == MODEACTION_ALLOW)
541 output_sequence = output_sequence + *modeletter;
543 for (std::vector<ModeWatcher*>::iterator watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
545 (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type);
557 /** ModeParser::CompressModes()
558 * Tidies up redundant modes,
559 * e.g. +nt-nt+i becomes +-+i
560 * A section further down the chain tidies up the +-+- crap.
562 std::string ModeParser::CompressModes(std::string modes,bool channelmodes)
565 * OK, iterate over the mode string and count how many times a certain mode appears in it.
566 * Then, erase all instances of any character that appears more than once.
567 * This only operates on modes with no parameters, you can still +v-v+v-v+v-v to your heart's content.
570 /* Do we really need an int here? Can you fit enough modes in a line to overflow a short? */
573 memset(counts, 0, sizeof(counts));
574 memset(active, 0, sizeof(active));
576 for(unsigned char* i = (unsigned char*)modes.c_str(); *i; i++)
578 if((*i == '+') || (*i == '-'))
581 if(!channelmodes || (channelmodes && (strchr("itnmsp", *i) || (ModeDefined(*i, MT_CHANNEL) && !ModeDefinedOn(*i,MT_CHANNEL) && !ModeDefinedOff(*i,MT_CHANNEL)))))
583 log(DEBUG,"Tidy mode %c", *i);
589 for(unsigned char j = 65; j < 127; j++)
591 if ((counts[j] > 1) && (active[j] == true))
593 std::string::size_type pos;
595 while((pos = modes.find(j)) != std::string::npos)
597 log(DEBUG, "Deleting occurence of mode %c...", j);
599 log(DEBUG,"New mode line: %s", modes.c_str());
607 void ModeParser::ProcessModes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
609 if ((!parameters) || (pcnt < 2)) {
613 char outlist[MAXBUF];
621 bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
627 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
628 if (MOD_RESULT == ACR_DENY)
632 std::string tidied = this->CompressModes(parameters[1],true);
633 strlcpy(mlist,tidied.c_str(),MAXBUF);
634 char* modelist = mlist;
636 *outlist = *modelist;
637 char* outl = outlist+1;
639 mdir = (*modelist == '+');
641 log(DEBUG,"process_modes: modelist: %s",modelist);
643 int len = tidied.length();
644 while (modelist[len-1] == ' ')
645 modelist[--len] = '\0';
647 for (char* modechar = (modelist + 1); *modechar; ptr++, modechar++)
651 /* If we have more than MAXMODES changes in one line,
652 * drop all after the MAXMODES
673 if ((param >= pcnt)) break;
674 log(DEBUG,"Enough parameters left");
679 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], true, 1));
682 r = GiveOps(user,parameters[param++],chan,status);
689 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], false, 1));
692 r = TakeOps(user,parameters[param++],chan,status);
704 if (((param >= pcnt)) || (!Config->AllowHalfop)) break;
709 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], true, 1));
712 r = GiveHops(user,parameters[param++],chan,status);
719 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], false, 1));
722 r = TakeHops(user,parameters[param++],chan,status);
735 if ((param >= pcnt)) break;
740 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], true, 1));
743 r = GiveVoice(user,parameters[param++],chan,status);
750 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], false, 1));
753 r = TakeVoice(user,parameters[param++],chan,status);
765 if ((param >= pcnt)) break;
770 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], true, 1));
773 r = AddBan(user,parameters[param++],chan,status);
780 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], false, 1));
783 r = TakeBan(user,parameters[param++],chan,status);
790 outpars[pc++] = parameters[param-1];
804 if (previously_unset_k)
806 previously_set_k = true;
808 if (!chan->modes[CM_KEY])
811 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], true, 1));
816 strlcpy(key,parameters[param++],32);
818 strlcpy(chan->key,key,MAXBUF);
819 chan->modes[CM_KEY] = 1;
827 /* checks on -k are case sensitive and only accurate to the
828 first 32 characters */
829 if (previously_set_k)
831 previously_unset_k = true;
835 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], false, 1));
838 strlcpy(key,parameters[param++],32);
839 /* only allow -k if correct key given */
840 if (!strcmp(chan->key,key))
844 chan->modes[CM_KEY] = 0;
855 if (previously_set_l)
857 previously_unset_l = true;
859 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', "", false, 0));
862 if (chan->modes[CM_LIMIT])
866 chan->modes[CM_LIMIT] = 0;
871 if ((param >= pcnt)) break;
876 if (previously_unset_l)
878 previously_set_l = true;
879 bool invalid = false;
880 for (char* f = parameters[param]; *f; f++)
882 if ((*f < '0') || (*f > '9'))
887 /* If the limit is < 1, or the new limit is the current limit, dont allow */
888 if ((atoi(parameters[param]) < 1) || ((chan->limit > 0) && (atoi(parameters[param]) == chan->limit)))
897 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', parameters[param], true, 1));
901 chan->limit = atoi(parameters[param]);
903 // reported by mech: large values cause underflow
905 chan->limit = 0x7FFF;
911 chan->modes[CM_LIMIT] = 1;
912 outpars[pc++] = parameters[param++];
920 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'i', "", mdir, 0));
925 if (!(chan->modes[CM_INVITEONLY])) *outl++ = 'i';
926 chan->modes[CM_INVITEONLY] = 1;
930 if (chan->modes[CM_INVITEONLY]) *outl++ = 'i';
931 chan->modes[CM_INVITEONLY] = 0;
938 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 't', "", mdir, 0));
943 if (!(chan->modes[CM_TOPICLOCK])) *outl++ = 't';
944 chan->modes[CM_TOPICLOCK] = 1;
948 if (chan->modes[CM_TOPICLOCK]) *outl++ = 't';
949 chan->modes[CM_TOPICLOCK] = 0;
956 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'n', "", mdir, 0));
961 if (!(chan->modes[CM_NOEXTERNAL])) *outl++ = 'n';
962 chan->modes[CM_NOEXTERNAL] = 1;
966 if (chan->modes[CM_NOEXTERNAL]) *outl++ = 'n';
967 chan->modes[CM_NOEXTERNAL] = 0;
974 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'm', "", mdir, 0));
979 if (!(chan->modes[CM_MODERATED])) *outl++ = 'm';
980 chan->modes[CM_MODERATED] = 1;
984 if (chan->modes[CM_MODERATED]) *outl++ = 'm';
985 chan->modes[CM_MODERATED] = 0;
992 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 's', "", mdir, 0));
997 if (!(chan->modes[CM_SECRET])) *outl++ = 's';
998 chan->modes[CM_SECRET] = 1;
999 if (chan->modes[CM_PRIVATE])
1001 chan->modes[CM_PRIVATE] = 0;
1004 *outl++ = '-'; *outl++ = 'p'; *outl++ = '+';
1010 if (chan->modes[CM_SECRET]) *outl++ = 's';
1011 chan->modes[CM_SECRET] = 0;
1018 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'p', "", mdir, 0));
1023 if(!(chan->modes[CM_PRIVATE]))
1026 chan->modes[CM_PRIVATE] = 1;
1028 if(chan->modes[CM_SECRET])
1030 chan->modes[CM_SECRET] = 0;
1039 if(chan->modes[CM_PRIVATE])
1042 chan->modes[CM_PRIVATE] = 0;
1050 bool x = chan->modes[*modechar-65];
1051 if ((!x && !mdir) || (x && mdir))
1053 if (!ModeIsListMode(*modechar,MT_CHANNEL))
1055 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",*modechar,chan->name);
1059 if (ModeDefined(*modechar,MT_CHANNEL))
1061 /* A module has claimed this mode */
1064 if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
1066 p.push_back(parameters[param]);
1068 if ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir))
1070 p.push_back(parameters[param]);
1073 bool handled = false;
1076 // we're supposed to have a parameter, but none was given... so dont handle the mode.
1077 if (((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir)))
1079 log(DEBUG,"Not enough parameters for module-mode %c",*modechar);
1084 // BIG ASS IDIOTIC CODER WARNING!
1085 // Using OnRawMode on another modules mode's behavour
1086 // will confuse the crap out of admins! just because you CAN
1087 // do it, doesnt mean you SHOULD!
1089 std::string para = "";
1093 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *modechar, para, mdir, pcnt));
1096 for (int i = 0; i <= MODCOUNT; i++)
1100 int t = modules[i]->OnExtendedMode(user,chan,*modechar,MT_CHANNEL,mdir,p);
1103 log(DEBUG,"OnExtendedMode returned nonzero for a module");
1104 if (ModeIsListMode(*modechar,MT_CHANNEL))
1115 *outl++ = *modechar;
1117 outpars[pc++] = parameters[param++];
1122 *outl++ = *modechar;
1123 chan->SetCustomMode(*modechar,mdir);
1124 // include parameters in output if mode has them
1125 if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
1129 chan->SetCustomModeParam(*modechar,parameters[param],mdir);
1130 outpars[pc++] = parameters[param++];
1134 // break, because only one module can handle the mode.
1143 WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,*modechar);
1149 /* Null terminate it now we're done */
1153 /************ Fast, but confusing string tidying ************/
1155 while (*outl && (*outl < 'A'))
1157 /* outl now points to the first mode character after +'s and -'s */
1159 /* Now points at first mode-modifier + or - symbol */
1161 /* Now we tidy off any trailing -'s etc */
1164 while ((*--trim == '+') || (*trim == '-'))
1166 /************ Done wih the string tidy functions ************/
1169 /* The mode change must be at least two characters long (+ or - and at least one mode) */
1170 if (((*outl == '+') || (*outl == '-')) && *(outl+1))
1172 for (ptr = 0; ptr < pc; ptr++)
1174 charlcat(outl,' ',MAXBUF);
1175 strlcat(outl,outpars[ptr],MAXBUF-1);
1179 log(DEBUG,"Local mode change");
1180 WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outl);
1181 FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
1189 WriteChannelWithServ(Config->ServerName,chan,"MODE %s %s",chan->name,outl);
1197 WriteChannel(chan,user,"MODE %s %s",chan->name,outl);
1198 FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
1205 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
1207 bool ModeParser::AllowedUmode(char umode, char* sourcemodes,bool adding,bool serveroverride)
1209 bool sourceoper = (strchr(sourcemodes,'o') != NULL);
1210 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
1211 // Servers can +o and -o arbitrarily
1212 if ((serveroverride == true) && (umode == 'o'))
1216 // RFC1459 specified modes
1217 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
1219 /* umode allowed by RFC1459 scemantics */
1223 /* user may not +o themselves or others, but an oper may de-oper other opers or themselves */
1224 if (sourceoper && !adding)
1228 else if (umode == 'o')
1230 /* Bad oper, bad bad! */
1234 /* process any module-defined modes that need oper */
1235 if ((ModeDefinedOper(umode,MT_CLIENT)) && (sourceoper))
1237 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
1240 else if (ModeDefined(umode,MT_CLIENT))
1242 // process any module-defined modes that don't need oper
1243 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
1244 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!sourceoper))
1246 // no, this mode needs oper, and this user 'aint got what it takes!
1252 // anything else - return false.
1253 log(DEBUG,"umode %c not known by any ruleset",umode);
1257 bool ModeParser::ProcessModuleUmode(char umode, userrec* source, void* dest, bool adding)
1264 strlcpy(s2->nick,Config->ServerName,NICKMAX-1);
1273 if (ModeDefined(umode,MT_CLIENT))
1275 for (int i = 0; i <= MODCOUNT; i++)
1277 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
1279 log(DEBUG,"Module %s claims umode %c",Config->module_names[i].c_str(),umode);
1283 log(DEBUG,"No module claims umode %c",umode);
1302 void cmd_mode::Handle (char **parameters, int pcnt, userrec *user)
1305 userrec* dest = Find(parameters[0]);
1309 char outpars[MAXBUF];
1310 bool next_ok = true;
1315 if ((dest) && (pcnt == 1))
1317 WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
1320 else if ((dest) && (pcnt > 1))
1322 std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
1323 parameters[1] = (char*)tidied.c_str();
1325 char dmodes[MAXBUF];
1326 strlcpy(dmodes,dest->modes,MAXMODES);
1327 log(DEBUG,"pulled up dest user modes: %s",dmodes);
1332 if ((*user->oper) || (is_uline(user->server)))
1343 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
1347 outpars[0] = *parameters[1];
1349 direction = (*parameters[1] == '+');
1351 if ((*parameters[1] != '+') && (*parameters[1] != '-'))
1354 for (char* i = parameters[1]; *i; i++)
1356 if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
1365 if ((direction != 1) && (next_ok))
1367 charlcat(outpars,'+',MAXBUF);
1374 if ((direction != 0) && (next_ok))
1376 charlcat(outpars,'-',MAXBUF);
1390 if ((*i == 'i') || (*i == 'w') || (*i == 's') || (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,direction,false)))
1399 if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,false)))
1401 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1403 charlcat(dmodes,*i,53);
1404 charlcat(outpars,*i,MAXMODES);
1408 FOREACH_MOD(I_OnGlobalOper,OnGlobalOper(dest));
1411 dest->modebits |= UM_INVISIBLE;
1414 dest->modebits |= UM_SERVERNOTICE;
1417 dest->modebits |= UM_WALLOPS;
1427 if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,false)) && (strchr(dmodes,*i)))
1429 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1431 charlcat(outpars,*i,MAXMODES);
1432 charremove(dmodes,*i);
1440 dest->modebits &= ~UM_INVISIBLE;
1443 dest->modebits &= ~UM_SERVERNOTICE;
1446 dest->modebits &= ~UM_WALLOPS;
1463 for (char* i = outpars; *i;)
1466 if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
1468 // someones playing silly buggers and trying
1469 // to put a +- or -+ into the line...
1474 // Someone's trying to make the last character in
1475 // the line be a + or - symbol.
1476 if ((*i == '-') || (*i == '+'))
1484 if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
1486 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1487 FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
1490 log(DEBUG,"Stripped mode line");
1491 log(DEBUG,"Line dest is now %s",dmodes);
1492 strlcpy(dest->modes,dmodes,MAXMODES-1);
1500 chan = FindChan(parameters[0]);
1505 /* just /modes #channel */
1506 WriteServ(user->fd,"324 %s %s +%s",user->nick, chan->name, chanmodes(chan, chan->HasUser(user)));
1507 WriteServ(user->fd,"329 %s %s %d", user->nick, chan->name, chan->created);
1512 char* mode = parameters[1];
1519 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *mode, "", false, 0));
1524 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
1526 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, chan->name, i->data, i->set_by, i->set_time);
1528 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, chan->name);
1532 if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
1534 // list of items for an extmode
1535 log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
1536 FOREACH_MOD(I_OnSendList,OnSendList(user,chan,*mode));
1542 if ((IS_LOCAL(user)) && (!is_uline(user->server)) && (!chan->HasUser(user)))
1544 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, chan->name);
1549 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, chan, AC_GENERAL_MODE));
1551 if(MOD_RESULT == ACR_DENY)
1554 if(MOD_RESULT == ACR_DEFAULT)
1556 if ((IS_LOCAL(user)) && (cstatus(user,chan) < STATUS_HOP))
1558 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1563 ServerInstance->ModeGrok->ProcessModes(parameters,user,chan,cstatus(user,chan),pcnt,false,false,false);
1567 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1575 void ModeParser::ServerMode(char **parameters, int pcnt, userrec *user)
1578 userrec* dest = Find(parameters[0]);
1581 char outpars[MAXBUF];
1582 bool next_ok = true;
1584 if ((dest) && (pcnt > 1))
1586 std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
1587 parameters[1] = (char*)tidied.c_str();
1589 char dmodes[MAXBUF];
1590 strlcpy(dmodes,dest->modes,MAXBUF);
1592 outpars[0] = *parameters[1];
1594 direction = (*parameters[1] == '+');
1596 if ((*parameters[1] != '+') && (*parameters[1] != '-'))
1599 for (char* i = parameters[1]; *i; i++)
1601 if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
1610 if ((direction != 1) && (next_ok))
1613 charlcat(outpars,'+',MAXBUF);
1619 if ((direction != 0) && (next_ok))
1622 charlcat(outpars,'-',MAXBUF);
1628 log(DEBUG,"begin mode processing entry");
1634 log(DEBUG,"umode %c being added",*i);
1635 if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,true)))
1637 log(DEBUG,"umode %c is an allowed umode",*i);
1638 if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)))
1640 charlcat(dmodes,*i,MAXBUF);
1641 charlcat(outpars,*i,53);
1645 dest->modebits |= UM_INVISIBLE;
1648 dest->modebits |= UM_SERVERNOTICE;
1651 dest->modebits |= UM_WALLOPS;
1661 // can only remove a mode they already have
1662 log(DEBUG,"umode %c being removed",*i);
1663 if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,true)) && (strchr(dmodes,*i)))
1665 log(DEBUG,"umode %c is an allowed umode",*i);
1666 if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)))
1668 charlcat(outpars,*i,MAXBUF);
1669 charremove(dmodes,*i);
1673 dest->modebits &= ~UM_INVISIBLE;
1676 dest->modebits &= ~UM_SERVERNOTICE;
1679 dest->modebits &= ~UM_WALLOPS;
1696 for (char* i = outpars; *i;)
1699 if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
1701 // someones playing silly buggers and trying
1702 // to put a +- or -+ into the line...
1707 // Someone's trying to make the last character in
1708 // the line be a + or - symbol.
1709 if ((*i == '-') || (*i == '+'))
1717 if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
1719 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1720 FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
1723 log(DEBUG,"Stripped mode line");
1724 log(DEBUG,"Line dest is now %s",dmodes);
1725 strlcpy(dest->modes,dmodes,MAXMODES-1);
1732 Ptr = FindChan(parameters[0]);
1735 ServerInstance->ModeGrok->ProcessModes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1739 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);