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>
24 #include <sys/ioctl.h>
25 #include <sys/utsname.h>
29 #include <ext/hash_map>
47 #include "inspstring.h"
48 #include "helperfuncs.h"
52 #define nspace __gnu_cxx
57 extern ServerConfig* Config;
60 extern std::vector<Module*> modules;
61 extern std::vector<ircd_module*> factory;
62 extern int WHOWAS_STALE;
63 extern int WHOWAS_MAX;
65 extern chan_hash chanlist;
69 std::vector<ModeParameter> custom_mode_params;
71 chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created);
75 *name = *custom_modes = *topic = *setby = *key = 0;
76 created = topicset = limit = binarymodes = 0;
77 internal_userlist.clear();
80 void chanrec::SetCustomMode(char mode,bool mode_on)
86 if (!strchr(this->custom_modes,mode))
88 strlcat(custom_modes,m,MAXMODES);
90 log(DEBUG,"Custom mode %c set",mode);
94 std::string a = this->custom_modes;
95 int pos = a.find(mode);
97 strlcpy(this->custom_modes,a.c_str(),MAXMODES);
99 log(DEBUG,"Custom mode %c removed: modelist='%s'",mode,this->custom_modes);
100 this->SetCustomModeParam(mode,"",false);
105 void chanrec::SetCustomModeParam(char mode,char* parameter,bool mode_on)
108 log(DEBUG,"SetCustomModeParam called");
111 strlcpy(M.channel,this->name,CHANMAX);
112 strlcpy(M.parameter,parameter,MAXBUF);
115 log(DEBUG,"Custom mode parameter %c %s added",mode,parameter);
116 custom_mode_params.push_back(M);
120 if (custom_mode_params.size())
122 for (vector<ModeParameter>::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++)
124 if ((i->mode == mode) && (!strcasecmp(this->name,i->channel)))
126 log(DEBUG,"Custom mode parameter %c %s removed",mode,parameter);
127 custom_mode_params.erase(i);
132 log(DEBUG,"*** BUG *** Attempt to remove non-existent mode parameter!");
136 bool chanrec::IsCustomModeSet(char mode)
138 return (strchr(this->custom_modes,mode));
141 std::string chanrec::GetModeParameter(char mode)
143 if (custom_mode_params.size())
145 for (vector<ModeParameter>::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++)
147 if ((i->mode == mode) && (!strcasecmp(this->name,i->channel)))
156 long chanrec::GetUserCounter()
158 return (this->internal_userlist.size());
161 void chanrec::AddUser(char* castuser)
163 internal_userlist[castuser] = castuser;
164 log(DEBUG,"Added casted user to channel's internal list");
167 void chanrec::DelUser(char* castuser)
169 std::map<char*,char*>::iterator a = internal_userlist.find(castuser);
170 if (a != internal_userlist.end())
172 log(DEBUG,"Removed casted user from channel's internal list");
173 internal_userlist.erase(a);
174 /* And tidy any others... */
175 DelOppedUser(castuser);
176 DelHalfoppedUser(castuser);
177 DelVoicedUser(castuser);
182 void chanrec::AddOppedUser(char* castuser)
184 internal_op_userlist[castuser] = castuser;
185 log(DEBUG,"Added casted user to channel's internal list");
188 void chanrec::DelOppedUser(char* castuser)
190 std::map<char*,char*>::iterator a = internal_op_userlist.find(castuser);
191 if (a != internal_op_userlist.end())
193 log(DEBUG,"Removed casted user from channel's internal list");
194 internal_op_userlist.erase(a);
199 void chanrec::AddHalfoppedUser(char* castuser)
201 internal_halfop_userlist[castuser] = castuser;
202 log(DEBUG,"Added casted user to channel's internal list");
205 void chanrec::DelHalfoppedUser(char* castuser)
207 std::map<char*,char*>::iterator a = internal_halfop_userlist.find(castuser);
208 if (a != internal_halfop_userlist.end())
210 log(DEBUG,"Removed casted user from channel's internal list");
211 internal_halfop_userlist.erase(a);
216 void chanrec::AddVoicedUser(char* castuser)
218 internal_voice_userlist[castuser] = castuser;
219 log(DEBUG,"Added casted user to channel's internal list");
222 void chanrec::DelVoicedUser(char* castuser)
224 std::map<char*,char*>::iterator a = internal_voice_userlist.find(castuser);
225 if (a != internal_voice_userlist.end())
227 log(DEBUG,"Removed casted user from channel's internal list");
228 internal_voice_userlist.erase(a);
233 std::map<char*,char*> *chanrec::GetUsers()
235 return &internal_userlist;
238 std::map<char*,char*> *chanrec::GetOppedUsers()
240 return &internal_op_userlist;
243 std::map<char*,char*> *chanrec::GetHalfoppedUsers()
245 return &internal_halfop_userlist;
248 std::map<char*,char*> *chanrec::GetVoicedUsers()
250 return &internal_voice_userlist;
253 /* add a channel to a user, creating the record for it if needed and linking
254 * it to the user record */
256 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
258 if ((!user) || (!cn))
260 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
267 strlcpy(cname,cn,CHANMAX);
268 log(DEBUG,"cname='%s' cn='%s'",cname,cn);
270 log(DEBUG,"add_channel: %s %s",user->nick,cname);
272 chanrec* Ptr = FindChan(cname);
279 FOREACH_RESULT(I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname));
283 /* create a new one */
284 chanlist[cname] = new chanrec();
285 strlcpy(chanlist[cname]->name, cname,CHANMAX);
286 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
287 chanlist[cname]->created = TIME;
288 *chanlist[cname]->topic = 0;
289 strlcpy(chanlist[cname]->setby, user->nick,NICKMAX);
290 chanlist[cname]->topicset = 0;
291 Ptr = chanlist[cname];
292 log(DEBUG,"add_channel: created: %s",cname);
293 /* set created to 2 to indicate user
294 * is the first in the channel
295 * and should be given ops */
300 /* Already on the channel */
301 if (has_channel(user,Ptr))
304 // remote users are allowed us to bypass channel modes
305 // and bans (used by servers)
309 FOREACH_RESULT(I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname));
314 else if (MOD_RESULT == 0)
319 FOREACH_RESULT(I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
324 log(DEBUG,"add_channel: no key given in JOIN");
325 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
330 if (strcasecmp(key,Ptr->key))
332 log(DEBUG,"add_channel: bad key given in JOIN");
333 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
339 if (Ptr->binarymodes & CM_INVITEONLY)
342 irc::string xname(Ptr->name);
343 FOREACH_RESULT(I_OnCheckInvite,OnCheckInvite(user, Ptr));
346 log(DEBUG,"add_channel: channel is +i");
347 if (user->IsInvited(xname))
349 /* user was invited to channel */
350 /* there may be an optional channel NOTICE here */
354 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
358 user->RemoveInvite(xname);
363 FOREACH_RESULT(I_OnCheckLimit,OnCheckLimit(user, Ptr));
366 if (usercount(Ptr) >= Ptr->limit)
368 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
373 if (Ptr->bans.size())
375 log(DEBUG,"add_channel: about to walk banlist");
377 FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, Ptr));
380 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
382 if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match((char*)inet_ntoa(user->ip4),i->data)))
384 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
394 log(DEBUG,"Overridden checks");
399 log(DEBUG,"Passed channel checks");
401 for (unsigned int index =0; index < user->chans.size(); index++)
403 if (user->chans[index].channel == NULL)
405 return ForceChan(Ptr,user->chans[index],user,created);
408 /* XXX: If the user is an oper here, we can just extend their user->chans vector by one
409 * and put the channel in here. Same for remote users which are not bound by
410 * the channel limits. Otherwise, nope, youre boned.
415 chanrec* c = ForceChan(Ptr,a,user,created);
416 user->chans.push_back(a);
419 else if (strchr(user->modes,'o'))
421 /* Oper allows extension up to the OPERMAXCHANS value */
422 if (user->chans.size() < OPERMAXCHANS)
425 chanrec* c = ForceChan(Ptr,a,user,created);
426 user->chans.push_back(a);
430 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
431 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
435 chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created)
439 /* first user in is given ops */
440 a.uc_modes = UCMODE_OP;
441 Ptr->AddOppedUser((char*)user);
448 Ptr->AddUser((char*)user);
449 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
450 log(DEBUG,"Sent JOIN to client");
453 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
454 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
457 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
458 FOREACH_MOD(I_OnUserJoin,OnUserJoin(user,Ptr));
462 /* remove a channel from a users record, and remove the record from memory
463 * if the channel has become empty */
465 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
467 if ((!user) || (!cname))
469 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
473 chanrec* Ptr = FindChan(cname);
478 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
480 for (unsigned int i =0; i < user->chans.size(); i++)
482 /* zap it from the channel list of the user */
483 if (user->chans[i].channel == Ptr)
487 FOREACH_MOD(I_OnUserPart,OnUserPart(user,Ptr,reason));
488 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
492 FOREACH_MOD(I_OnUserPart,OnUserPart(user,Ptr,""));
493 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
495 user->chans[i].uc_modes = 0;
496 user->chans[i].channel = NULL;
497 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
502 Ptr->DelUser((char*)user);
504 /* if there are no users left on the channel */
507 chan_hash::iterator iter = chanlist.find(Ptr->name);
509 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
511 /* kill the record */
512 if (iter != chanlist.end())
514 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
515 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr));
517 chanlist.erase(iter);
524 void server_kick_channel(userrec* user, chanrec* Ptr, char* reason, bool triggerevents)
526 if ((!user) || (!Ptr) || (!reason))
533 if (!has_channel(user,Ptr))
542 FOREACH_MOD(I_OnUserKick,OnUserKick(NULL,user,Ptr,reason));
545 for (unsigned int i =0; i < user->chans.size(); i++)
547 if (user->chans[i].channel)
548 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
550 WriteChannelWithServ(Config->ServerName,Ptr,"KICK %s %s :%s",Ptr->name, user->nick, reason);
551 user->chans[i].uc_modes = 0;
552 user->chans[i].channel = NULL;
557 Ptr->DelUser((char*)user);
561 chan_hash::iterator iter = chanlist.find(Ptr->name);
562 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
563 /* kill the record */
564 if (iter != chanlist.end())
566 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
567 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr));
569 chanlist.erase(iter);
574 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
576 if ((!src) || (!user) || (!Ptr) || (!reason))
578 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
582 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
586 if (!has_channel(user,Ptr))
588 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
593 if (!is_uline(src->server))
596 FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,Ptr,reason));
600 /* Set to -1 by OnUserPreKick if explicit allow was set */
601 if (MOD_RESULT != -1)
603 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,Ptr,AC_KICK));
604 if ((MOD_RESULT == ACR_DENY) && (!is_uline(src->server)))
607 if ((MOD_RESULT == ACR_DEFAULT) || (!is_uline(src->server)))
609 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
611 if (cstatus(src,Ptr) == STATUS_HOP)
613 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
617 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator",src->nick, Ptr->name);
626 FOREACH_MOD(I_OnUserKick,OnUserKick(src,user,Ptr,reason));
628 for (unsigned int i =0; i < user->chans.size(); i++)
630 /* zap it from the channel list of the user */
631 if (user->chans[i].channel)
632 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
634 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
635 user->chans[i].uc_modes = 0;
636 user->chans[i].channel = NULL;
637 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
642 Ptr->DelUser((char*)user);
644 /* if there are no users left on the channel */
647 chan_hash::iterator iter = chanlist.find(Ptr->name);
649 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
651 /* kill the record */
652 if (iter != chanlist.end())
654 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
655 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr));
657 chanlist.erase(iter);