1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2005 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"
22 #include "inspircd_util.h"
24 #include <sys/errno.h>
25 #include <sys/ioctl.h>
26 #include <sys/utsname.h>
30 #include <ext/hash_map>
48 #include "inspstring.h"
49 #include "helperfuncs.h"
53 #define nspace __gnu_cxx
58 extern ServerConfig* Config;
61 extern std::vector<Module*> modules;
62 extern std::vector<ircd_module*> factory;
63 extern int WHOWAS_STALE;
64 extern int WHOWAS_MAX;
66 extern chan_hash chanlist;
70 std::vector<ModeParameter> custom_mode_params;
72 chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created);
77 strcpy(custom_modes,"");
81 created = topicset = limit = 0;
83 internal_userlist.clear();
86 void chanrec::SetCustomMode(char mode,bool mode_on)
92 if (!strchr(this->custom_modes,mode))
94 strlcat(custom_modes,m,MAXMODES);
96 log(DEBUG,"Custom mode %c set",mode);
100 std::string a = this->custom_modes;
101 int pos = a.find(mode);
103 strncpy(this->custom_modes,a.c_str(),MAXMODES);
105 log(DEBUG,"Custom mode %c removed: modelist='%s'",mode,this->custom_modes);
106 this->SetCustomModeParam(mode,"",false);
111 void chanrec::SetCustomModeParam(char mode,char* parameter,bool mode_on)
114 log(DEBUG,"SetCustomModeParam called");
117 strlcpy(M.channel,this->name,CHANMAX);
118 strlcpy(M.parameter,parameter,MAXBUF);
121 log(DEBUG,"Custom mode parameter %c %s added",mode,parameter);
122 custom_mode_params.push_back(M);
126 if (custom_mode_params.size())
128 for (vector<ModeParameter>::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++)
130 if ((i->mode == mode) && (!strcasecmp(this->name,i->channel)))
132 log(DEBUG,"Custom mode parameter %c %s removed",mode,parameter);
133 custom_mode_params.erase(i);
138 log(DEBUG,"*** BUG *** Attempt to remove non-existent mode parameter!");
142 bool chanrec::IsCustomModeSet(char mode)
144 return (strchr(this->custom_modes,mode));
147 std::string chanrec::GetModeParameter(char mode)
149 if (custom_mode_params.size())
151 for (vector<ModeParameter>::iterator i = custom_mode_params.begin(); i < custom_mode_params.end(); i++)
153 if ((i->mode == mode) && (!strcasecmp(this->name,i->channel)))
162 long chanrec::GetUserCounter()
164 return (this->internal_userlist.size());
167 void chanrec::AddUser(char* castuser)
169 internal_userlist.push_back(castuser);
170 log(DEBUG,"Added casted user to channel's internal list");
173 void chanrec::DelUser(char* castuser)
175 for (std::vector<char*>::iterator a = internal_userlist.begin(); a < internal_userlist.end(); a++)
179 log(DEBUG,"Removed casted user from channel's internal list");
180 internal_userlist.erase(a);
184 log(DEBUG,"BUG BUG BUG! Attempt to remove an uncasted user from the internal list of %s!",name);
187 std::vector<char*> *chanrec::GetUsers()
189 return &internal_userlist;
192 /* add a channel to a user, creating the record for it if needed and linking
193 * it to the user record */
195 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
197 if ((!user) || (!cn))
199 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
206 strncpy(cname,cn,CHANMAX);
208 log(DEBUG,"add_channel: %s %s",user->nick,cname);
210 chanrec* Ptr = FindChan(cname);
217 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
221 /* create a new one */
222 chanlist[cname] = new chanrec();
223 strlcpy(chanlist[cname]->name, cname,CHANMAX);
224 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
225 chanlist[cname]->created = TIME;
226 strcpy(chanlist[cname]->topic, "");
227 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
228 chanlist[cname]->topicset = 0;
229 Ptr = chanlist[cname];
230 log(DEBUG,"add_channel: created: %s",cname);
231 /* set created to 2 to indicate user
232 * is the first in the channel
233 * and should be given ops */
238 /* Already on the channel */
239 if (has_channel(user,Ptr))
242 // remote users are allowed us to bypass channel modes
243 // and bans (used by servers)
247 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
257 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
262 log(DEBUG,"add_channel: no key given in JOIN");
263 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
268 if (strcasecmp(key,Ptr->key))
270 log(DEBUG,"add_channel: bad key given in JOIN");
271 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
277 if (Ptr->binarymodes & CM_INVITEONLY)
280 irc::string xname(Ptr->name);
281 FOREACH_RESULT(OnCheckInvite(user, Ptr));
284 log(DEBUG,"add_channel: channel is +i");
285 if (user->IsInvited(xname))
287 /* user was invited to channel */
288 /* there may be an optional channel NOTICE here */
292 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
296 user->RemoveInvite(xname);
301 FOREACH_RESULT(OnCheckLimit(user, Ptr));
304 if (usercount(Ptr) >= Ptr->limit)
306 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
311 if (Ptr->bans.size())
313 log(DEBUG,"add_channel: about to walk banlist");
315 FOREACH_RESULT(OnCheckBan(user, Ptr));
318 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
320 if (match(user->GetFullHost(),i->data))
322 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
332 log(DEBUG,"Overridden checks");
337 log(DEBUG,"Passed channel checks");
339 for (unsigned int index =0; index < user->chans.size(); index++)
341 if (user->chans[index].channel == NULL)
343 return ForceChan(Ptr,user->chans[index],user,created);
346 /* XXX: If the user is an oper here, we can just extend their user->chans vector by one
347 * and put the channel in here. Same for remote users which are not bound by
348 * the channel limits. Otherwise, nope, youre boned.
353 chanrec* c = ForceChan(Ptr,a,user,created);
354 user->chans.push_back(a);
357 else if (strchr(user->modes,'o'))
359 /* Oper allows extension up to the OPERMAXCHANS value */
360 if (user->chans.size() < OPERMAXCHANS)
363 chanrec* c = ForceChan(Ptr,a,user,created);
364 user->chans.push_back(a);
368 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
369 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
373 chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created)
377 /* first user in is given ops */
378 a.uc_modes = UCMODE_OP;
385 Ptr->AddUser((char*)user);
386 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
387 log(DEBUG,"Sent JOIN to client");
390 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
391 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
394 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
395 FOREACH_MOD OnUserJoin(user,Ptr);
399 /* remove a channel from a users record, and remove the record from memory
400 * if the channel has become empty */
402 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
404 if ((!user) || (!cname))
406 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
410 chanrec* Ptr = FindChan(cname);
415 FOREACH_MOD OnUserPart(user,Ptr);
416 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
418 for (unsigned int i =0; i < user->chans.size(); i++)
420 /* zap it from the channel list of the user */
421 if (user->chans[i].channel == Ptr)
425 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
429 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
431 user->chans[i].uc_modes = 0;
432 user->chans[i].channel = NULL;
433 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
438 Ptr->DelUser((char*)user);
440 /* if there are no users left on the channel */
443 chan_hash::iterator iter = chanlist.find(Ptr->name);
445 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
447 /* kill the record */
448 if (iter != chanlist.end())
450 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
452 chanlist.erase(iter);
460 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
462 if ((!src) || (!user) || (!Ptr) || (!reason))
464 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
468 if ((!Ptr) || (!user) || (!src))
473 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
475 if (!has_channel(user,Ptr))
477 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
482 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
483 if ((MOD_RESULT == ACR_DENY) && (!is_uline(src->server)))
486 if ((MOD_RESULT == ACR_DEFAULT) || (!is_uline(src->server)))
488 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
490 if (cstatus(src,Ptr) == STATUS_HOP)
492 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
496 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
503 if (!is_uline(src->server))
506 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
511 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
513 for (unsigned int i =0; i < user->chans.size(); i++)
515 /* zap it from the channel list of the user */
516 if (user->chans[i].channel)
517 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
519 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
520 user->chans[i].uc_modes = 0;
521 user->chans[i].channel = NULL;
522 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
527 Ptr->DelUser((char*)user);
529 /* if there are no users left on the channel */
532 chan_hash::iterator iter = chanlist.find(Ptr->name);
534 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
536 /* kill the record */
537 if (iter != chanlist.end())
539 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
541 chanlist.erase(iter);