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 "inspircd_io.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 char* ModeParser::GiveOps(userrec *user,char *dest,chanrec *chan,int status)
61 if ((!user) || (!dest) || (!chan) || (!*dest))
63 log(DEFAULT,"*** BUG *** GiveOps was given an invalid parameter");
69 log(DEFAULT,"the target nickname given to GiveOps couldnt be found");
70 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
75 if (user->server == d->server)
78 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_OP));
80 if (MOD_RESULT == ACR_DENY)
82 if (MOD_RESULT == ACR_DEFAULT)
84 if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user)))
86 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
87 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
94 for (unsigned int i = 0; i < d->chans.size(); i++)
96 if ((d->chans[i].channel != NULL) && (chan != NULL))
97 if (!strcasecmp(d->chans[i].channel->name,chan->name))
99 if (d->chans[i].uc_modes & UCMODE_OP)
101 /* mode already set on user, dont allow multiple */
104 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
105 d->chans[i].channel->AddOppedUser((char*)d);
106 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
110 log(DEFAULT,"The target channel given to GiveOps was not in the users mode list");
115 char* ModeParser::GiveHops(userrec *user,char *dest,chanrec *chan,int status)
119 if ((!user) || (!dest) || (!chan) || (!*dest))
121 log(DEFAULT,"*** BUG *** GiveHops was given an invalid parameter");
128 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
133 if (user->server == d->server)
136 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_HALFOP));
138 if (MOD_RESULT == ACR_DENY)
140 if (MOD_RESULT == ACR_DEFAULT)
142 if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user)))
144 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
150 for (unsigned int i = 0; i < d->chans.size(); i++)
152 if ((d->chans[i].channel != NULL) && (chan != NULL))
153 if (!strcasecmp(d->chans[i].channel->name,chan->name))
155 if (d->chans[i].uc_modes & UCMODE_HOP)
157 /* mode already set on user, dont allow multiple */
160 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
161 d->chans[i].channel->AddHalfoppedUser((char*)d);
162 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
170 char* ModeParser::GiveVoice(userrec *user,char *dest,chanrec *chan,int status)
174 if ((!user) || (!dest) || (!chan) || (!*dest))
176 log(DEFAULT,"*** BUG *** GiveVoice was given an invalid parameter");
183 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
188 if (user->server == d->server)
191 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_VOICE));
193 if (MOD_RESULT == ACR_DENY)
195 if (MOD_RESULT == ACR_DEFAULT)
197 if ((status < STATUS_HOP) && (!is_uline(user->server)) && (IS_LOCAL(user)))
199 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
205 for (unsigned int i = 0; i < d->chans.size(); i++)
207 if ((d->chans[i].channel != NULL) && (chan != NULL))
208 if (!strcasecmp(d->chans[i].channel->name,chan->name))
210 if (d->chans[i].uc_modes & UCMODE_VOICE)
212 /* mode already set on user, dont allow multiple */
215 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
216 d->chans[i].channel->AddVoicedUser((char*)d);
217 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
225 char* ModeParser::TakeOps(userrec *user,char *dest,chanrec *chan,int status)
229 if ((!user) || (!dest) || (!chan) || (!*dest))
231 log(DEFAULT,"*** BUG *** TakeOps was given an invalid parameter");
238 log(DEBUG,"TakeOps couldnt resolve the target nickname: %s",dest);
239 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
244 if (user->server == d->server)
247 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEOP));
249 if (MOD_RESULT == ACR_DENY)
251 if (MOD_RESULT == ACR_DEFAULT)
253 if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user)) && (IS_LOCAL(user)))
255 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
261 for (unsigned int i = 0; i < d->chans.size(); i++)
263 if ((d->chans[i].channel != NULL) && (chan != NULL))
264 if (!strcasecmp(d->chans[i].channel->name,chan->name))
266 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
268 /* mode already set on user, dont allow multiple */
271 d->chans[i].uc_modes ^= UCMODE_OP;
272 d->chans[i].channel->DelOppedUser((char*)d);
273 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
277 log(DEBUG,"TakeOps couldnt locate the target channel in the target users list");
282 char* ModeParser::TakeHops(userrec *user,char *dest,chanrec *chan,int status)
286 if ((!user) || (!dest) || (!chan) || (!*dest))
288 log(DEFAULT,"*** BUG *** TakeHops was given an invalid parameter");
295 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
300 if (user->server == d->server)
303 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEHALFOP));
305 if (MOD_RESULT == ACR_DENY)
307 if (MOD_RESULT == ACR_DEFAULT)
309 /* Tweak by Brain suggested by w00t, allow a halfop to dehalfop themselves */
310 if ((user != d) && ((status < STATUS_OP) && (!is_uline(user->server))) && (IS_LOCAL(user)))
312 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
318 for (unsigned int i = 0; i < d->chans.size(); i++)
320 if ((d->chans[i].channel != NULL) && (chan != NULL))
321 if (!strcasecmp(d->chans[i].channel->name,chan->name))
323 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
325 /* mode already set on user, dont allow multiple */
328 d->chans[i].uc_modes ^= UCMODE_HOP;
329 d->chans[i].channel->DelHalfoppedUser((char*)d);
330 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
338 char* ModeParser::TakeVoice(userrec *user,char *dest,chanrec *chan,int status)
342 if ((!user) || (!dest) || (!chan) || (!*dest))
344 log(DEFAULT,"*** BUG *** TakeVoice was given an invalid parameter");
351 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
356 if (user->server == d->server)
359 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEVOICE));
361 if (MOD_RESULT == ACR_DENY)
363 if (MOD_RESULT == ACR_DEFAULT)
365 if ((status < STATUS_HOP) && (!is_uline(user->server)) && (IS_LOCAL(user)))
367 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
373 for (unsigned int i = 0; i < d->chans.size(); i++)
375 if ((d->chans[i].channel != NULL) && (chan != NULL))
376 if (!strcasecmp(d->chans[i].channel->name,chan->name))
378 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
380 /* mode already set on user, dont allow multiple */
383 d->chans[i].uc_modes ^= UCMODE_VOICE;
384 d->chans[i].channel->DelVoicedUser((char*)d);
385 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
393 char* ModeParser::AddBan(userrec *user,char *dest,chanrec *chan,int status)
396 int toomanyexclamation = 0;
399 if ((!user) || (!dest) || (!chan) || (!*dest))
401 log(DEFAULT,"*** BUG *** AddBan was given an invalid parameter");
405 for (char* i = dest; *i; i++)
407 if ((*i < 32) || (*i > 126))
413 toomanyexclamation++;
421 if (toomanyexclamation != 1 || toomanyat != 1)
423 * this stops sillyness like n!u!u!u@h, though note that most
424 * ircds don't actually verify banmask validity. --w00t
428 long maxbans = GetMaxBans(chan->name);
429 if ((unsigned)chan->bans.size() > (unsigned)maxbans)
431 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);
435 log(DEBUG,"AddBan: %s %s",chan->name,user->nick);
438 FOREACH_RESULT(I_OnAddBan,OnAddBan(user,chan,dest));
443 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
445 if (!strcasecmp(i->data,dest))
447 // dont allow a user to set the same ban twice
453 strlcpy(b.data,dest,MAXBUF);
456 strlcpy(b.set_by,user->nick,NICKMAX-1);
460 strlcpy(b.set_by,Config->ServerName,NICKMAX-1);
462 chan->bans.push_back(b);
466 char* ModeParser::TakeBan(userrec *user,char *dest,chanrec *chan,int status)
468 if ((!user) || (!dest) || (!chan) || (!*dest)) {
469 log(DEFAULT,"*** BUG *** TakeBan was given an invalid parameter");
473 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
474 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
476 if (!strcasecmp(i->data,dest))
479 FOREACH_RESULT(I_OnDelBan,OnDelBan(user,chan,dest));
489 // tidies up redundant modes, e.g. +nt-nt+i becomes +-+i,
490 // a section further down the chain tidies up the +-+- crap.
491 std::string ModeParser::CompressModes(std::string modes,bool channelmodes)
495 memset(counts,0,sizeof(counts));
496 memset(active,0,sizeof(active));
497 for (unsigned int i = 0; i < modes.length(); i++)
499 if ((modes[i] == '+') || (modes[i] == '-'))
503 if ((strchr("itnmsp",modes[i])) || ((ModeDefined(modes[i],MT_CHANNEL)) && (ModeDefinedOn(modes[i],MT_CHANNEL)==0) && (ModeDefinedOff(modes[i],MT_CHANNEL)==0)))
505 log(DEBUG,"Tidy mode %c",modes[i]);
506 counts[(unsigned int)modes[i]]++;
507 active[(unsigned int)modes[i]] = true;
512 log(DEBUG,"Tidy mode %c",modes[i]);
513 counts[(unsigned int)modes[i]]++;
514 active[(unsigned int)modes[i]] = true;
517 for (int j = 65; j < 127; j++)
519 if ((counts[j] > 1) && (active[j] == true))
522 v[0] = (unsigned char)j;
524 std::string mode_str = v;
525 std::string::size_type pos = modes.find(mode_str);
526 if (pos != std::string::npos)
528 log(DEBUG,"all occurances of mode %c to be deleted...",(unsigned char)j);
529 while (modes.find(mode_str) != std::string::npos)
530 modes.erase(modes.find(mode_str),1);
531 log(DEBUG,"New mode line: %s",modes.c_str());
538 void ModeParser::ProcessModes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
541 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
545 char outlist[MAXBUF];
552 bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
563 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
564 if (MOD_RESULT == ACR_DENY)
568 log(DEBUG,"process_modes: start: parameters=%d",pcnt);
570 char* modelist = parameters[1]; /* mode list, e.g. +oo-o *
571 * parameters[2] onwards are parameters for
572 * modes that require them :) */
573 *outlist = *modelist;
574 char* outl = outlist+1;
576 mdir = (*modelist == '+');
578 log(DEBUG,"process_modes: modelist: %s",modelist);
580 std::string tidied = this->CompressModes(modelist,true);
581 strlcpy(modelist,tidied.c_str(),MAXBUF);
583 int len = tidied.length();
584 while (modelist[len-1] == ' ')
585 modelist[--len] = '\0';
587 bool next_cant_be_modifier = false;
590 for (modechar = (modelist + 1); *modechar; ptr++, modechar++)
594 /* If we have more than MAXMODES changes in one line,
595 * drop all after the MAXMODES
600 log(DEBUG,"Mode %c",*modechar);
608 next_cant_be_modifier = true;
615 next_cant_be_modifier = true;
620 if ((param >= pcnt)) break;
621 log(DEBUG,"Enough parameters left");
626 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], true, 1));
629 log(DEBUG,"calling GiveOps");
630 r = GiveOps(user,parameters[param++],chan,status);
637 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], false, 1));
640 log(DEBUG,"calling TakeOps");
641 r = TakeOps(user,parameters[param++],chan,status);
653 if (((param >= pcnt)) || (!Config->AllowHalfop)) break;
658 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], true, 1));
661 r = GiveHops(user,parameters[param++],chan,status);
668 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], false, 1));
671 r = TakeHops(user,parameters[param++],chan,status);
684 if ((param >= pcnt)) break;
689 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], true, 1));
692 r = GiveVoice(user,parameters[param++],chan,status);
699 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], false, 1));
702 r = TakeVoice(user,parameters[param++],chan,status);
714 if ((param >= pcnt)) break;
719 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], true, 1));
722 r = AddBan(user,parameters[param++],chan,status);
729 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], false, 1));
732 r = TakeBan(user,parameters[param++],chan,status);
739 outpars[pc++] = parameters[param-1];
753 if (previously_unset_k)
755 previously_set_k = true;
760 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], true, 1));
765 strlcpy(key,parameters[param++],32);
767 strlcpy(chan->key,key,MAXBUF);
775 /* checks on -k are case sensitive and only accurate to the
776 first 32 characters */
777 if (previously_set_k)
779 previously_unset_k = true;
783 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], false, 1));
786 strlcpy(key,parameters[param++],32);
787 /* only allow -k if correct key given */
788 if (!strcmp(chan->key,key))
802 if (previously_set_l)
804 previously_unset_l = true;
806 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', "", false, 0));
817 if ((param >= pcnt)) break;
822 if (previously_unset_l)
824 previously_set_l = true;
825 bool invalid = false;
826 for (char* f = parameters[param]; *f; f++)
828 if ((*f < '0') || (*f > '9'))
833 /* If the limit is < 1, or the new limit is the current limit, dont allow */
834 if ((atoi(parameters[param]) < 1) || ((chan->limit > 0) && (atoi(parameters[param]) == chan->limit)))
843 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', parameters[param], true, 1));
847 chan->limit = atoi(parameters[param]);
849 // reported by mech: large values cause underflow
851 chan->limit = 0x7FFF;
857 outpars[pc++] = parameters[param++];
865 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'i', "", mdir, 0));
870 if (!(chan->binarymodes & CM_INVITEONLY)) *outl++ = 'i';
871 chan->binarymodes |= CM_INVITEONLY;
875 if (chan->binarymodes & CM_INVITEONLY) *outl++ = 'i';
876 chan->binarymodes &= ~CM_INVITEONLY;
883 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 't', "", mdir, 0));
888 if (!(chan->binarymodes & CM_TOPICLOCK)) *outl++ = 't';
889 chan->binarymodes |= CM_TOPICLOCK;
893 if (chan->binarymodes & CM_TOPICLOCK) *outl++ = 't';
894 chan->binarymodes &= ~CM_TOPICLOCK;
901 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'n', "", mdir, 0));
906 if (!(chan->binarymodes & CM_NOEXTERNAL)) *outl++ = 'n';
907 chan->binarymodes |= CM_NOEXTERNAL;
911 if (chan->binarymodes & CM_NOEXTERNAL) *outl++ = 'n';
912 chan->binarymodes &= ~CM_NOEXTERNAL;
919 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'm', "", mdir, 0));
924 if (!(chan->binarymodes & CM_MODERATED)) *outl++ = 'm';
925 chan->binarymodes |= CM_MODERATED;
929 if (chan->binarymodes & CM_MODERATED) *outl++ = 'm';
930 chan->binarymodes &= ~CM_MODERATED;
937 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 's', "", mdir, 0));
942 if (!(chan->binarymodes & CM_SECRET)) *outl++ = 's';
943 chan->binarymodes |= CM_SECRET;
944 if (chan->binarymodes & CM_PRIVATE)
946 chan->binarymodes &= ~CM_PRIVATE;
949 *outl++ = '-'; *outl++ = 'p'; *outl++ = '+';
955 if (chan->binarymodes & CM_SECRET) *outl++ = 's';
956 chan->binarymodes &= ~CM_SECRET;
963 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'p', "", mdir, 0));
968 if (!(chan->binarymodes & CM_PRIVATE)) *outl++ = 'p';
969 chan->binarymodes |= CM_PRIVATE;
970 if (chan->binarymodes & CM_SECRET)
972 chan->binarymodes &= ~CM_SECRET;
975 *outl++ = '-'; *outl++ = 's'; *outl++ = '+';
981 if (chan->binarymodes & CM_PRIVATE) *outl++ = 'p';
982 chan->binarymodes &= ~CM_PRIVATE;
988 log(DEBUG,"Preprocessing custom mode %c: modelist: %s",*modechar,chan->custom_modes);
991 if (((!strchr(chan->custom_modes,*modechar)) && (!mdir)) || ((strchr(chan->custom_modes,*modechar)) && (mdir)))
993 if (!ModeIsListMode(*modechar,MT_CHANNEL))
995 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",*modechar,chan->name);
999 if (ModeDefined(*modechar,MT_CHANNEL))
1001 log(DEBUG,"A module has claimed this mode");
1004 if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
1006 p.push_back(parameters[param]);
1008 if ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir))
1010 p.push_back(parameters[param]);
1013 bool handled = false;
1016 // we're supposed to have a parameter, but none was given... so dont handle the mode.
1017 if (((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir)))
1019 log(DEBUG,"Not enough parameters for module-mode %c",*modechar);
1025 // BIG ASS IDIOTIC CODER WARNING!
1026 // Using OnRawMode on another modules mode's behavour
1027 // will confuse the crap out of admins! just because you CAN
1028 // do it, doesnt mean you SHOULD!
1030 std::string para = "";
1033 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *modechar, para, mdir, pcnt));
1036 for (int i = 0; i <= MODCOUNT; i++)
1040 int t = modules[i]->OnExtendedMode(user,chan,*modechar,MT_CHANNEL,mdir,p);
1043 log(DEBUG,"OnExtendedMode returned nonzero for a module");
1044 if (ModeIsListMode(*modechar,MT_CHANNEL))
1055 *outl++ = *modechar;
1057 outpars[pc++] = parameters[param++];
1064 *outl++ = *modechar;
1065 chan->SetCustomMode(*modechar,mdir);
1066 // include parameters in output if mode has them
1067 if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
1069 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
1070 outpars[pc++] = parameters[param++];
1074 // break, because only one module can handle the mode.
1083 WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,*modechar);
1091 /* Null terminate it now we're done */
1095 /************ Fast, but confusing string tidying ************/
1097 while (*outl && (*outl < 'A'))
1099 /* outl now points to the first mode character after +'s and -'s */
1101 /* Now points at first mode-modifier + or - symbol */
1103 /* Now we tidy off any trailing -'s etc */
1106 while ((*--trim == '+') || (*trim == '-'))
1108 /************ Done wih the string tidy functions ************/
1111 /* The mode change must be at least two characters long (+ or - and at least one mode) */
1112 if (((*outl == '+') || (*outl == '-')) && *(outl+1))
1114 for (ptr = 0; ptr < pc; ptr++)
1116 charlcat(outl,' ',MAXBUF);
1117 strlcat(outl,outpars[ptr],MAXBUF-1);
1121 log(DEBUG,"Local mode change");
1122 WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outl);
1123 FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
1131 WriteChannelWithServ(Config->ServerName,chan,"MODE %s %s",chan->name,outl);
1139 WriteChannel(chan,user,"MODE %s %s",chan->name,outl);
1140 FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
1147 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
1149 bool ModeParser::AllowedUmode(char umode, char* sourcemodes,bool adding,bool serveroverride)
1151 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
1152 // Servers can +o and -o arbitrarily
1153 if ((serveroverride == true) && (umode == 'o'))
1157 // RFC1459 specified modes
1158 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
1160 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1164 // user may not +o themselves or others, but an oper may de-oper other opers or themselves
1165 if ((strchr(sourcemodes,'o')) && (!adding))
1167 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1170 else if (umode == 'o')
1172 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1176 // process any module-defined modes that need oper
1177 if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
1179 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
1183 if (ModeDefined(umode,MT_CLIENT))
1185 // process any module-defined modes that don't need oper
1186 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
1187 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
1189 // no, this mode needs oper, and this user 'aint got what it takes!
1195 // anything else - return false.
1196 log(DEBUG,"umode %c not known by any ruleset",umode);
1200 bool ModeParser::ProcessModuleUmode(char umode, userrec* source, void* dest, bool adding)
1207 strlcpy(s2->nick,Config->ServerName,NICKMAX-1);
1216 if (ModeDefined(umode,MT_CLIENT))
1218 for (int i = 0; i <= MODCOUNT; i++)
1220 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
1222 log(DEBUG,"Module %s claims umode %c",Config->module_names[i].c_str(),umode);
1226 log(DEBUG,"No module claims umode %c",umode);
1245 void cmd_mode::Handle (char **parameters, int pcnt, userrec *user)
1251 char outpars[MAXBUF];
1252 bool next_ok = true;
1254 dest = Find(parameters[0]);
1261 if ((dest) && (pcnt == 1))
1263 WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
1267 if ((dest) && (pcnt > 1))
1269 std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
1270 parameters[1] = (char*)tidied.c_str();
1272 char dmodes[MAXBUF];
1273 strlcpy(dmodes,dest->modes,MAXMODES);
1274 log(DEBUG,"pulled up dest user modes: %s",dmodes);
1279 if ((strchr(user->modes,'o')) || (is_uline(user->server)))
1290 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
1294 outpars[0] = *parameters[1];
1296 direction = (*parameters[1] == '+');
1298 if ((*parameters[1] != '+') && (*parameters[1] != '-'))
1301 for (char* i = parameters[1]; *i; i++)
1306 if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
1311 if ((direction != 1) && (next_ok))
1313 charlcat(outpars,'+',MAXBUF);
1321 if ((direction != 0) && (next_ok))
1323 charlcat(outpars,'-',MAXBUF);
1331 if (strchr(user->modes,'o'))
1337 if ((*i == 'i') || (*i == 'w') || (*i == 's') || (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,direction,false)))
1346 if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,false)))
1348 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1350 charlcat(dmodes,*i,MAXMODES);
1351 charlcat(outpars,*i,MAXMODES);
1354 FOREACH_MOD(I_OnGlobalOper,OnGlobalOper(dest));
1361 if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,false)) && (strchr(dmodes,*i)))
1363 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1365 charlcat(outpars,*i,MAXMODES);
1366 charremove(dmodes,*i);
1383 for (char* i = outpars; *i;)
1386 if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
1388 // someones playing silly buggers and trying
1389 // to put a +- or -+ into the line...
1394 // Someone's trying to make the last character in
1395 // the line be a + or - symbol.
1396 if ((*i == '-') || (*i == '+'))
1404 if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
1406 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1407 FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
1410 log(DEBUG,"Stripped mode line");
1411 log(DEBUG,"Line dest is now %s",dmodes);
1412 strlcpy(dest->modes,dmodes,MAXMODES-1);
1419 Ptr = FindChan(parameters[0]);
1424 /* just /modes #channel */
1425 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr,has_channel(user,Ptr)));
1426 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1432 char* mode = parameters[1];
1436 FOREACH_RESULT(I_OnRawMode,OnRawMode(user, Ptr, *mode, "", false, 0));
1442 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1444 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
1446 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
1449 if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
1451 // list of items for an extmode
1452 log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
1453 FOREACH_MOD(I_OnSendList,OnSendList(user,Ptr,*mode));
1459 if (((Ptr) && (!has_channel(user,Ptr))) && (!is_uline(user->server)) && (IS_LOCAL(user)))
1461 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
1468 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,Ptr,AC_GENERAL_MODE));
1470 if (MOD_RESULT == ACR_DENY)
1472 if (MOD_RESULT == ACR_DEFAULT)
1474 if ((cstatus(user,Ptr) < STATUS_HOP) && (IS_LOCAL(user)))
1476 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
1481 ServerInstance->ModeGrok->ProcessModes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
1486 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1493 void ModeParser::ServerMode(char **parameters, int pcnt, userrec *user)
1499 char outpars[MAXBUF];
1500 bool next_ok = true;
1502 dest = Find(parameters[0]);
1504 // fix: ChroNiCk found this - we cant use this as debug if its null!
1507 log(DEBUG,"server_mode on %s",dest->nick);
1510 if ((dest) && (pcnt > 1))
1512 std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
1513 parameters[1] = (char*)tidied.c_str();
1515 char dmodes[MAXBUF];
1516 strlcpy(dmodes,dest->modes,MAXBUF);
1518 outpars[0] = *parameters[1];
1520 direction = (*parameters[1] == '+');
1522 if ((*parameters[1] != '+') && (*parameters[1] != '-'))
1525 for (char* i = parameters[1]; *i; i++)
1530 if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
1535 if ((direction != 1) && (next_ok))
1538 charlcat(outpars,'+',MAXBUF);
1545 if ((direction != 0) && (next_ok))
1548 charlcat(outpars,'-',MAXBUF);
1554 log(DEBUG,"begin mode processing entry");
1560 log(DEBUG,"umode %c being added",*i);
1561 if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,true)))
1563 log(DEBUG,"umode %c is an allowed umode",*i);
1564 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1566 charlcat(dmodes,*i,MAXMODES);
1567 charlcat(outpars,*i,MAXMODES);
1573 // can only remove a mode they already have
1574 log(DEBUG,"umode %c being removed",*i);
1575 if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,true)) && (strchr(dmodes,*i)))
1577 log(DEBUG,"umode %c is an allowed umode",*i);
1578 if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
1580 charlcat(outpars,*i,MAXMODES);
1581 charremove(dmodes,*i);
1593 for (char* i = outpars; *i;)
1596 if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
1598 // someones playing silly buggers and trying
1599 // to put a +- or -+ into the line...
1604 // Someone's trying to make the last character in
1605 // the line be a + or - symbol.
1606 if ((*i == '-') || (*i == '+'))
1614 if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
1616 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1617 FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
1620 log(DEBUG,"Stripped mode line");
1621 log(DEBUG,"Line dest is now %s",dmodes);
1622 strlcpy(dest->modes,dmodes,MAXMODES-1);
1629 Ptr = FindChan(parameters[0]);
1632 ServerInstance->ModeGrok->ProcessModes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1636 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);