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 * ---------------------------------------------------
17 /* Now with added unF! ;) */
21 #include "inspircd_config.h"
23 #include "inspircd_io.h"
24 #include "inspircd_util.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
33 #include <ext/hash_map>
55 #include "inspstring.h"
57 #include "helperfuncs.h"
59 #include "socketengine.h"
60 #include "userprocess.h"
64 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
65 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
67 time_t startup_time = time(NULL);
69 extern std::vector<Module*> modules;
70 std::vector<std::string> module_names;
71 extern std::vector<ircd_module*> factory;
73 std::vector<InspSocket*> module_sockets;
76 int openSockfd[MAXSOCKS];
77 struct sockaddr_in client,server;
80 extern InspSocket* socket_ref[65535];
82 time_t TIME = time(NULL), OLDTIME = time(NULL);
84 SocketEngine* SE = NULL;
86 extern std::vector<std::string> include_stack;
88 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
89 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
90 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
91 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
92 typedef std::deque<command_t> command_table;
93 typedef std::vector<std::string> servernamelist;
95 // This table references users by file descriptor.
96 // its an array to make it VERY fast, as all lookups are referenced
97 // by an integer, meaning there is no need for a scan/search operation.
98 userrec* fd_ref_table[65536];
100 serverstats* stats = new serverstats;
101 Server* MyServer = new Server;
102 ServerConfig *Config = new ServerConfig;
104 user_hash clientlist;
107 command_table cmdlist;
113 servernamelist servernames;
115 int boundPortCount = 0;
116 int portCount = 0, ports[MAXSOCKS];
120 int has_channel(userrec *u, chanrec *c);
121 int usercount(chanrec *c);
122 int usercount_i(chanrec *c);
123 char* Passwd(userrec *user);
124 bool IsDenied(userrec *user);
125 void AddWhoWas(userrec* u);
127 std::stringstream config_f(stringstream::in | stringstream::out);
129 std::vector<userrec*> all_opers;
133 void AddOper(userrec* user)
135 log(DEBUG,"Oper added to optimization list");
136 all_opers.push_back(user);
139 void AddServerName(std::string servername)
141 log(DEBUG,"Adding server name: %s",servername.c_str());
142 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
144 if (*a == servername)
147 servernames.push_back(servername);
150 const char* FindServerNamePtr(std::string servername)
152 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
154 if (*a == servername)
157 AddServerName(servername);
158 return FindServerNamePtr(servername);
161 void DeleteOper(userrec* user)
163 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
167 log(DEBUG,"Oper removed from optimization list");
174 std::string GetRevision()
176 /* w00t got me to replace a bunch of strtok_r
177 * with something nicer, so i did this. Its the
178 * same thing really, only in C++. It places the
179 * text into a std::stringstream which is a readable
180 * and writeable buffer stream, and then pops two
181 * words off it, space delimited. Because it reads
182 * into the same variable twice, the first word
183 * is discarded, and the second one returned.
185 std::stringstream Revision("$Revision$");
187 Revision >> single >> single;
192 std::string getservername()
194 return Config->ServerName;
197 std::string getserverdesc()
199 return Config->ServerDesc;
202 std::string getnetworkname()
204 return Config->Network;
207 std::string getadminname()
209 return Config->AdminName;
212 std::string getadminemail()
214 return Config->AdminEmail;
217 std::string getadminnick()
219 return Config->AdminNick;
222 void ReadConfig(bool bail, userrec* user)
224 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
225 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF],SLIMT[MAXBUF];
227 std::stringstream errstr;
228 include_stack.clear();
230 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
233 log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str());
236 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
244 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
245 while (!errstr.eof())
247 errstr.getline(dataline,1024);
248 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
253 WriteOpers("There were errors in the configuration file:");
254 while (!errstr.eof())
256 errstr.getline(dataline,1024);
257 WriteOpers(dataline);
264 ConfValue("server","name",0,Config->ServerName,&config_f);
265 ConfValue("server","description",0,Config->ServerDesc,&config_f);
266 ConfValue("server","network",0,Config->Network,&config_f);
267 ConfValue("admin","name",0,Config->AdminName,&config_f);
268 ConfValue("admin","email",0,Config->AdminEmail,&config_f);
269 ConfValue("admin","nick",0,Config->AdminNick,&config_f);
270 ConfValue("files","motd",0,Config->motd,&config_f);
271 ConfValue("files","rules",0,Config->rules,&config_f);
272 ConfValue("power","diepass",0,Config->diepass,&config_f);
273 ConfValue("power","pause",0,pauseval,&config_f);
274 ConfValue("power","restartpass",0,Config->restartpass,&config_f);
275 ConfValue("options","prefixquit",0,Config->PrefixQuit,&config_f);
276 ConfValue("die","value",0,Config->DieValue,&config_f);
277 ConfValue("options","loglevel",0,dbg,&config_f);
278 ConfValue("options","netbuffersize",0,NB,&config_f);
279 ConfValue("options","maxwho",0,MW,&config_f);
280 ConfValue("options","allowhalfop",0,AH,&config_f);
281 ConfValue("options","allowprotect",0,AP,&config_f);
282 ConfValue("options","allowfounder",0,AF,&config_f);
283 ConfValue("dns","server",0,Config->DNSServer,&config_f);
284 ConfValue("dns","timeout",0,DNT,&config_f);
285 ConfValue("options","moduledir",0,Config->ModPath,&config_f);
286 ConfValue("disabled","commands",0,Config->DisabledCommands,&config_f);
287 ConfValue("options","somaxconn",0,MCON,&config_f);
288 ConfValue("options","softlimit",0,SLIMT,&config_f);
290 Config->SoftLimit = atoi(SLIMT);
291 if ((Config->SoftLimit < 1) || (Config->SoftLimit > MAXCLIENTS))
293 log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
294 Config->SoftLimit = MAXCLIENTS;
296 Config->MaxConn = atoi(MCON);
297 if (Config->MaxConn > SOMAXCONN)
298 log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
299 Config->NetBufferSize = atoi(NB);
300 Config->MaxWhoResults = atoi(MW);
301 Config->dns_timeout = atoi(DNT);
302 if (!Config->dns_timeout)
303 Config->dns_timeout = 5;
304 if (!Config->MaxConn)
305 Config->MaxConn = SOMAXCONN;
306 if (!*Config->DNSServer)
307 strlcpy(Config->DNSServer,"127.0.0.1",MAXBUF);
308 if (!*Config->ModPath)
309 strlcpy(Config->ModPath,MOD_PATH,MAXBUF);
310 Config->AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
311 if ((!Config->NetBufferSize) || (Config->NetBufferSize > 65535) || (Config->NetBufferSize < 1024))
313 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
314 Config->NetBufferSize = 10240;
316 if ((!Config->MaxWhoResults) || (Config->MaxWhoResults > 65535) || (Config->MaxWhoResults < 1))
318 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
319 Config->MaxWhoResults = 128;
321 Config->LogLevel = DEFAULT;
322 if (!strcmp(dbg,"debug"))
324 Config->LogLevel = DEBUG;
325 Config->debugging = 1;
327 if (!strcmp(dbg,"verbose"))
328 Config->LogLevel = VERBOSE;
329 if (!strcmp(dbg,"default"))
330 Config->LogLevel = DEFAULT;
331 if (!strcmp(dbg,"sparse"))
332 Config->LogLevel = SPARSE;
333 if (!strcmp(dbg,"none"))
334 Config->LogLevel = NONE;
336 readfile(MOTD,Config->motd);
337 log(DEFAULT,"Reading message of the day...");
338 readfile(RULES,Config->rules);
339 log(DEFAULT,"Reading connect classes...");
341 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
344 ConfValue("connect","allow",i,Value,&config_f);
345 ConfValue("connect","timeout",i,timeout,&config_f);
346 ConfValue("connect","flood",i,flood,&config_f);
347 ConfValue("connect","pingfreq",i,pfreq,&config_f);
348 ConfValue("connect","threshold",i,thold,&config_f);
349 ConfValue("connect","sendq",i,sqmax,&config_f);
350 ConfValue("connect","recvq",i,rqmax,&config_f);
353 strlcpy(c.host,Value,MAXBUF);
355 strlcpy(Value,"",MAXBUF);
356 ConfValue("connect","password",i,Value,&config_f);
357 strlcpy(c.pass,Value,MAXBUF);
358 c.registration_timeout = 90; // default is 2 minutes
360 c.flood = atoi(flood);
362 c.sendqmax = 262144; // 256k
363 c.recvqmax = 4096; // 4k
366 c.threshold = atoi(thold);
370 c.sendqmax = atoi(sqmax);
374 c.recvqmax = atoi(rqmax);
378 c.registration_timeout = atoi(timeout);
382 c.pingtime = atoi(pfreq);
384 Classes.push_back(c);
385 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%lu flood=%lu",c.host,c.pass,(unsigned long)c.registration_timeout,(unsigned long)c.flood);
389 ConfValue("connect","deny",i,Value,&config_f);
390 strlcpy(c.host,Value,MAXBUF);
392 Classes.push_back(c);
393 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
397 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
398 read_xline_defaults();
399 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
400 apply_lines(APPLY_ALL);
402 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
405 log(DEFAULT,"Adding and removing modules due to rehash...");
407 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
409 // store the old module names
410 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
412 old_module_names.push_back(*t);
415 // get the new module names
416 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
418 ConfValue("module","name",count2,Value,&config_f);
419 new_module_names.push_back(Value);
422 // now create a list of new modules that are due to be loaded
423 // and a seperate list of modules which are due to be unloaded
424 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
427 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
433 added_modules.push_back(*_new);
435 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
438 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
444 removed_modules.push_back(*oldm);
446 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
448 int rem = 0, add = 0;
449 if (!removed_modules.empty())
450 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
452 if (UnloadModule(removing->c_str()))
454 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
455 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
460 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
463 if (!added_modules.empty())
464 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
466 if (LoadModule(adding->c_str()))
468 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
469 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
474 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
477 log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
482 /* add a channel to a user, creating the record for it if needed and linking
483 * it to the user record */
485 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
487 if ((!user) || (!cn))
489 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
496 strncpy(cname,cn,CHANMAX);
498 log(DEBUG,"add_channel: %s %s",user->nick,cname);
500 chanrec* Ptr = FindChan(cname);
507 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
511 /* create a new one */
512 chanlist[cname] = new chanrec();
513 strlcpy(chanlist[cname]->name, cname,CHANMAX);
514 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
515 chanlist[cname]->created = TIME;
516 strcpy(chanlist[cname]->topic, "");
517 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
518 chanlist[cname]->topicset = 0;
519 Ptr = chanlist[cname];
520 log(DEBUG,"add_channel: created: %s",cname);
521 /* set created to 2 to indicate user
522 * is the first in the channel
523 * and should be given ops */
528 /* Already on the channel */
529 if (has_channel(user,Ptr))
532 // remote users are allowed us to bypass channel modes
533 // and bans (used by servers)
537 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
547 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
552 log(DEBUG,"add_channel: no key given in JOIN");
553 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
558 if (strcasecmp(key,Ptr->key))
560 log(DEBUG,"add_channel: bad key given in JOIN");
561 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
567 if (Ptr->binarymodes & CM_INVITEONLY)
570 FOREACH_RESULT(OnCheckInvite(user, Ptr));
573 log(DEBUG,"add_channel: channel is +i");
574 if (user->IsInvited(Ptr->name))
576 /* user was invited to channel */
577 /* there may be an optional channel NOTICE here */
581 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
585 user->RemoveInvite(Ptr->name);
590 FOREACH_RESULT(OnCheckLimit(user, Ptr));
593 if (usercount(Ptr) >= Ptr->limit)
595 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
600 if (Ptr->bans.size())
602 log(DEBUG,"add_channel: about to walk banlist");
604 FOREACH_RESULT(OnCheckBan(user, Ptr));
607 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
609 if (match(user->GetFullHost(),i->data))
611 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
621 log(DEBUG,"Overridden checks");
626 log(DEBUG,"Passed channel checks");
628 for (unsigned int index =0; index < user->chans.size(); index++)
630 if (user->chans[index].channel == NULL)
632 return ForceChan(Ptr,user->chans[index],user,created);
635 /* XXX: If the user is an oper here, we can just extend their user->chans vector by one
636 * and put the channel in here. Same for remote users which are not bound by
637 * the channel limits. Otherwise, nope, youre boned.
642 chanrec* c = ForceChan(Ptr,a,user,created);
643 user->chans.push_back(a);
646 else if (strchr(user->modes,'o'))
648 /* Oper allows extension up to the OPERMAXCHANS value */
649 if (user->chans.size() < OPERMAXCHANS)
652 chanrec* c = ForceChan(Ptr,a,user,created);
653 user->chans.push_back(a);
657 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
658 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
662 chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created)
666 /* first user in is given ops */
667 a.uc_modes = UCMODE_OP;
674 Ptr->AddUser((char*)user);
675 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
676 log(DEBUG,"Sent JOIN to client");
679 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
680 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
683 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
684 FOREACH_MOD OnUserJoin(user,Ptr);
688 /* remove a channel from a users record, and remove the record from memory
689 * if the channel has become empty */
691 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
693 if ((!user) || (!cname))
695 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
699 chanrec* Ptr = FindChan(cname);
704 FOREACH_MOD OnUserPart(user,Ptr);
705 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
707 for (unsigned int i =0; i < user->chans.size(); i++)
709 /* zap it from the channel list of the user */
710 if (user->chans[i].channel == Ptr)
714 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
718 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
720 user->chans[i].uc_modes = 0;
721 user->chans[i].channel = NULL;
722 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
727 Ptr->DelUser((char*)user);
729 /* if there are no users left on the channel */
732 chan_hash::iterator iter = chanlist.find(Ptr->name);
734 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
736 /* kill the record */
737 if (iter != chanlist.end())
739 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
741 chanlist.erase(iter);
749 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
751 if ((!src) || (!user) || (!Ptr) || (!reason))
753 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
757 if ((!Ptr) || (!user) || (!src))
762 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
764 if (!has_channel(user,Ptr))
766 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
771 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
772 if ((MOD_RESULT == ACR_DENY) && (!is_uline(src->server)))
775 if ((MOD_RESULT == ACR_DEFAULT) || (!is_uline(src->server)))
777 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
779 if (cstatus(src,Ptr) == STATUS_HOP)
781 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
785 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
792 if (!is_uline(src->server))
795 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
800 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
802 for (unsigned int i =0; i < user->chans.size(); i++)
804 /* zap it from the channel list of the user */
805 if (user->chans[i].channel)
806 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
808 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
809 user->chans[i].uc_modes = 0;
810 user->chans[i].channel = NULL;
811 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
816 Ptr->DelUser((char*)user);
818 /* if there are no users left on the channel */
821 chan_hash::iterator iter = chanlist.find(Ptr->name);
823 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
825 /* kill the record */
826 if (iter != chanlist.end())
828 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
830 chanlist.erase(iter);
838 /* This function pokes and hacks at a parameter list like the following:
840 * PART #winbot,#darkgalaxy :m00!
842 * to turn it into a series of individual calls like this:
845 * PART #darkgalaxy :m00!
847 * The seperate calls are sent to a callback function provided by the caller
848 * (the caller will usually call itself recursively). The callback function
849 * must be a command handler. Calling this function on a line with no list causes
850 * no action to be taken. You must provide a starting and ending parameter number
851 * where the range of the list can be found, useful if you have a terminating
852 * parameter as above which is actually not part of the list, or parameters
853 * before the actual list as well. This code is used by many functions which
854 * can function as "one to list" (see the RFC) */
856 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
861 char blog[32][MAXBUF];
862 char blog2[32][MAXBUF];
863 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
867 for (int i = 0; i <32; i++)
870 for (int i = 0; i <32; i++)
874 for (int i = 0; i <10; i++)
883 if (pcnt > 1) /* we have a key to copy */
885 strlcpy(keystr,parameters[1],MAXBUF);
889 if (!parameters[start])
893 if (!strchr(parameters[start],','))
898 for (int i = start; i <= end; i++)
902 strlcat(plist,parameters[i],MAXBUF);
910 for (int i = 0; i < t; i++)
915 strlcpy(blog[j++],param,MAXBUF);
919 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
924 strlcpy(blog[j++],param,MAXBUF);
927 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
932 if ((joins) && (keystr))
934 if (strchr(keystr,','))
939 for (int i = 0; i < t2; i++)
941 if (keystr[i] == ',')
944 strlcpy(blog2[j++],param,MAXBUF);
948 strlcpy(blog2[j++],param,MAXBUF);
953 for (j = 0; j < total; j++)
959 for (q = end; q < pcnt-1; q++)
963 pars[q-end+1] = parameters[q+1];
966 if ((joins) && (parameters[1]))
977 /* repeatedly call the function with the hacked parameter list */
978 if ((joins) && (pcnt > 1))
982 // pars[1] already set up and containing key from blog2[j]
987 pars[1] = parameters[1];
993 fn(pars,pcnt-(end-start),u);
1002 void kill_link(userrec *user,const char* r)
1004 user_hash::iterator iter = clientlist.find(user->nick);
1006 char reason[MAXBUF];
1008 strncpy(reason,r,MAXBUF);
1010 if (strlen(reason)>MAXQUIT)
1012 reason[MAXQUIT-1] = '\0';
1015 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1016 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1017 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1019 if (user->registered == 7) {
1020 FOREACH_MOD OnUserQuit(user,reason);
1021 WriteCommonExcept(user,"QUIT :%s",reason);
1024 user->FlushWriteBuf();
1026 FOREACH_MOD OnUserDisconnect(user);
1030 FOREACH_MOD OnRawSocketClose(user->fd);
1031 SE->DelFd(user->fd);
1032 user->CloseSocket();
1035 // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
1036 // if they were an oper with +s.
1037 if (user->registered == 7) {
1038 purge_empty_chans(user);
1039 // fix by brain: only show local quits because we only show local connects (it just makes SENSE)
1041 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1045 if (iter != clientlist.end())
1047 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1049 fd_ref_table[user->fd] = NULL;
1050 clientlist.erase(iter);
1055 void kill_link_silent(userrec *user,const char* r)
1057 user_hash::iterator iter = clientlist.find(user->nick);
1059 char reason[MAXBUF];
1061 strncpy(reason,r,MAXBUF);
1063 if (strlen(reason)>MAXQUIT)
1065 reason[MAXQUIT-1] = '\0';
1068 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1069 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1070 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1072 user->FlushWriteBuf();
1074 if (user->registered == 7) {
1075 FOREACH_MOD OnUserQuit(user,reason);
1076 WriteCommonExcept(user,"QUIT :%s",reason);
1079 FOREACH_MOD OnUserDisconnect(user);
1083 FOREACH_MOD OnRawSocketClose(user->fd);
1084 SE->DelFd(user->fd);
1085 user->CloseSocket();
1088 if (user->registered == 7) {
1089 purge_empty_chans(user);
1092 if (iter != clientlist.end())
1094 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1096 fd_ref_table[user->fd] = NULL;
1097 clientlist.erase(iter);
1103 int main(int argc, char** argv)
1107 log(DEBUG,"*** InspIRCd starting up!");
1108 if (!FileExists(CONFIG_FILE))
1110 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
1111 log(DEFAULT,"main: no config");
1112 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
1116 for (int i = 1; i < argc; i++)
1118 if (!strcmp(argv[i],"-nofork")) {
1119 Config->nofork = true;
1121 if (!strcmp(argv[i],"-wait")) {
1124 if (!strcmp(argv[i],"-nolimit")) {
1125 Config->unlimitcore = true;
1130 strlcpy(Config->MyExecutable,argv[0],MAXBUF);
1132 // initialize the lowercase mapping table
1133 for (unsigned int cn = 0; cn < 256; cn++)
1135 // lowercase the uppercase chars
1136 for (unsigned int cn = 65; cn < 91; cn++)
1137 lowermap[cn] = tolower(cn);
1138 // now replace the specific chars for scandanavian comparison
1139 lowermap[(unsigned)'['] = '{';
1140 lowermap[(unsigned)']'] = '}';
1141 lowermap[(unsigned)'\\'] = '|';
1143 if (InspIRCd(argv,argc) == ERROR)
1145 log(DEFAULT,"main: daemon function bailed");
1146 printf("ERROR: could not initialise. Shutting down.\n");
1153 template<typename T> inline string ConvToStr(const T &in)
1156 if (!(tmp << in)) return string();
1160 /* re-allocates a nick in the user_hash after they change nicknames,
1161 * returns a pointer to the new user as it may have moved */
1163 userrec* ReHashNick(char* Old, char* New)
1165 //user_hash::iterator newnick;
1166 user_hash::iterator oldnick = clientlist.find(Old);
1168 log(DEBUG,"ReHashNick: %s %s",Old,New);
1170 if (!strcasecmp(Old,New))
1172 log(DEBUG,"old nick is new nick, skipping");
1173 return oldnick->second;
1176 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
1178 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
1180 userrec* olduser = oldnick->second;
1181 clientlist[New] = olduser;
1182 clientlist.erase(oldnick);
1184 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
1186 return clientlist[New];
1189 /* adds or updates an entry in the whowas list */
1190 void AddWhoWas(userrec* u)
1192 whowas_hash::iterator iter = whowas.find(u->nick);
1193 WhoWasUser *a = new WhoWasUser();
1194 strlcpy(a->nick,u->nick,NICKMAX);
1195 strlcpy(a->ident,u->ident,IDENTMAX);
1196 strlcpy(a->dhost,u->dhost,160);
1197 strlcpy(a->host,u->host,160);
1198 strlcpy(a->fullname,u->fullname,MAXGECOS);
1199 strlcpy(a->server,u->server,256);
1200 a->signon = u->signon;
1202 /* MAX_WHOWAS: max number of /WHOWAS items
1203 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
1204 * can be replaced by a newer one
1207 if (iter == whowas.end())
1209 if (whowas.size() >= (unsigned)WHOWAS_MAX)
1211 for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
1213 // 3600 seconds in an hour ;)
1214 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
1216 // delete the old one
1217 if (i->second) delete i->second;
1218 // replace with new one
1220 log(DEBUG,"added WHOWAS entry, purged an old record");
1224 // no space left and user doesnt exist. Don't leave ram in use!
1225 log(DEBUG,"Not able to update whowas (list at WHOWAS_MAX entries and trying to add new?), freeing excess ram");
1230 log(DEBUG,"added fresh WHOWAS entry");
1231 whowas[a->nick] = a;
1236 log(DEBUG,"updated WHOWAS entry");
1237 if (iter->second) delete iter->second;
1243 void* dns_task(void* arg)
1245 userrec* u = (userrec*)arg;
1246 log(DEBUG,"DNS thread for user %s",u->nick);
1251 if (dns1.ReverseLookup(u->ip))
1253 log(DEBUG,"DNS Step 1");
1254 while (!dns1.HasResult())
1258 host = dns1.GetResult();
1261 log(DEBUG,"DNS Step 2: '%s'",host.c_str());
1262 if (dns2.ForwardLookup(host))
1264 while (!dns2.HasResult())
1268 ip = dns2.GetResultIP();
1269 log(DEBUG,"DNS Step 3 '%s'(%d) '%s'(%d)",ip.c_str(),ip.length(),u->ip,strlen(u->ip));
1270 if (ip == std::string(u->ip))
1272 log(DEBUG,"DNS Step 4");
1273 if (host.length() < 160)
1275 log(DEBUG,"DNS Step 5");
1276 strcpy(u->host,host.c_str());
1277 strcpy(u->dhost,host.c_str());
1288 /* add a client connection to the sockets list */
1289 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
1293 user_hash::iterator iter;
1295 tempnick = ConvToStr(socket) + "-unknown";
1296 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
1298 iter = clientlist.find(tempnick);
1301 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
1302 // using one as a registered connection. As theyre per fd, we can also safely assume
1303 // that we wont have collisions. Therefore, if the nick exists in the list, its only
1304 // used by a dead socket, erase the iterator so that the new client may reclaim it.
1305 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
1306 // issue in earlier alphas/betas
1307 if (iter != clientlist.end())
1309 userrec* goner = iter->second;
1311 clientlist.erase(iter);
1315 * It is OK to access the value here this way since we know
1316 * it exists, we just created it above.
1318 * At NO other time should you access a value in a map or a
1319 * hash_map this way.
1321 clientlist[tempnick] = new userrec();
1323 NonBlocking(socket);
1324 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
1326 clientlist[tempnick]->fd = socket;
1327 strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
1328 strlcpy(clientlist[tempnick]->host, host,160);
1329 strlcpy(clientlist[tempnick]->dhost, host,160);
1330 clientlist[tempnick]->server = (char*)FindServerNamePtr(Config->ServerName);
1331 strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
1332 clientlist[tempnick]->registered = 0;
1333 clientlist[tempnick]->signon = TIME + Config->dns_timeout;
1334 clientlist[tempnick]->lastping = 1;
1335 clientlist[tempnick]->port = port;
1336 strlcpy(clientlist[tempnick]->ip,ip,16);
1338 // set the registration timeout for this user
1339 unsigned long class_regtimeout = 90;
1340 int class_flood = 0;
1341 long class_threshold = 5;
1342 long class_sqmax = 262144; // 256kb
1343 long class_rqmax = 4096; // 4k
1345 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1347 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
1349 class_regtimeout = (unsigned long)i->registration_timeout;
1350 class_flood = i->flood;
1351 clientlist[tempnick]->pingmax = i->pingtime;
1352 class_threshold = i->threshold;
1353 class_sqmax = i->sendqmax;
1354 class_rqmax = i->recvqmax;
1359 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax + Config->dns_timeout;
1360 clientlist[tempnick]->timeout = TIME+class_regtimeout;
1361 clientlist[tempnick]->flood = class_flood;
1362 clientlist[tempnick]->threshold = class_threshold;
1363 clientlist[tempnick]->sendqmax = class_sqmax;
1364 clientlist[tempnick]->recvqmax = class_rqmax;
1369 for (int i = 0; i < MAXCHANS; i++)
1370 clientlist[tempnick]->chans.push_back(a);
1372 if (clientlist.size() > Config->SoftLimit)
1374 kill_link(clientlist[tempnick],"No more connections allowed");
1378 if (clientlist.size() >= MAXCLIENTS)
1380 kill_link(clientlist[tempnick],"No more connections allowed");
1384 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1385 // its a pretty big but for the moment valid assumption:
1386 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
1387 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1388 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
1389 // which for the time being is a physical impossibility (even the largest networks dont have more
1390 // than about 10,000 users on ONE server!)
1391 if ((unsigned)socket > 65534)
1393 kill_link(clientlist[tempnick],"Server is full");
1398 char* e = matches_exception(ip);
1401 char* r = matches_zline(ip);
1404 char reason[MAXBUF];
1405 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
1406 kill_link(clientlist[tempnick],reason);
1410 fd_ref_table[socket] = clientlist[tempnick];
1411 SE->AddFd(socket,true,X_ESTAB_CLIENT);
1414 /* shows the message of the day, and any other on-logon stuff */
1415 void FullConnectUser(userrec* user)
1417 stats->statsConnects++;
1418 user->idle_lastmsg = TIME;
1419 log(DEBUG,"ConnectUser: %s",user->nick);
1421 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
1423 kill_link(user,"Invalid password");
1428 kill_link(user,"Unauthorised connection");
1432 char match_against[MAXBUF];
1433 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
1434 char* e = matches_exception(match_against);
1437 char* r = matches_gline(match_against);
1440 char reason[MAXBUF];
1441 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1442 kill_link_silent(user,reason);
1445 r = matches_kline(user->host);
1448 char reason[MAXBUF];
1449 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1450 kill_link_silent(user,reason);
1456 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Config->Network);
1457 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Config->Network,user->nick,user->ident,user->host);
1458 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,Config->ServerName,VERSION);
1459 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
1460 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,Config->ServerName,VERSION);
1461 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
1462 std::stringstream v;
1463 v << "WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
1464 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
1465 v << " TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=" << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=";
1466 v << Config->Network;
1467 std::string data005 = v.str();
1468 FOREACH_MOD On005Numeric(data005);
1469 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1470 // so i'd better split it :)
1471 std::stringstream out(data005);
1472 std::string token = "";
1473 std::string line5 = "";
1474 int token_counter = 0;
1478 line5 = line5 + token + " ";
1480 if ((token_counter >= 13) || (out.eof() == true))
1482 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
1489 // fix 3 by brain, move registered = 7 below these so that spurious modes and host changes dont go out
1490 // onto the network and produce 'fake direction'
1491 FOREACH_MOD OnUserConnect(user);
1492 FOREACH_MOD OnGlobalConnect(user);
1493 user->registered = 7;
1494 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
1498 /* shows the message of the day, and any other on-logon stuff */
1499 void ConnectUser(userrec *user)
1501 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
1502 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
1504 FullConnectUser(user);
1508 std::string GetVersionString()
1510 char versiondata[MAXBUF];
1512 char dnsengine[] = "multithread";
1514 char dnsengine[] = "singlethread";
1516 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s [FLAGS=%lu,%s,%s]",VERSION,GetRevision().c_str(),Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine);
1520 void handle_version(char **parameters, int pcnt, userrec *user)
1522 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1526 bool is_valid_cmd(const char* commandname, int pcnt, userrec * user)
1528 for (unsigned int i = 0; i < cmdlist.size(); i++)
1530 if (!strcasecmp(cmdlist[i].command,commandname))
1532 if (cmdlist[i].handler_function)
1534 if ((pcnt>=cmdlist[i].min_params) && (strcasecmp(cmdlist[i].source,"<core>")))
1536 if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
1538 if (cmdlist[i].flags_needed)
1540 if ((user->HasPermission((char*)commandname)) || (is_uline(user->server)))
1558 // calls a handler function for a command
1560 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
1562 for (unsigned int i = 0; i < cmdlist.size(); i++)
1564 if (!strcasecmp(cmdlist[i].command,commandname))
1566 if (cmdlist[i].handler_function)
1568 if (pcnt>=cmdlist[i].min_params)
1570 if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
1572 if (cmdlist[i].flags_needed)
1574 if ((user->HasPermission((char*)commandname)) || (is_uline(user->server)))
1576 cmdlist[i].handler_function(parameters,pcnt,user);
1581 cmdlist[i].handler_function(parameters,pcnt,user);
1591 void force_nickchange(userrec* user,const char* newnick)
1598 FOREACH_RESULT(OnUserPreNick(user,newnick));
1600 stats->statsCollisions++;
1601 kill_link(user,"Nickname collision");
1604 if (matches_qline(newnick))
1606 stats->statsCollisions++;
1607 kill_link(user,"Nickname collision");
1615 strncpy(nick,newnick,MAXBUF);
1617 if (user->registered == 7)
1621 handle_nick(pars,1,user);
1627 int process_parameters(char **command_p,char *parameters)
1630 int q = strlen(parameters);
1633 /* no parameters, command_p invalid! */
1636 if (parameters[0] == ':')
1638 command_p[0] = parameters+1;
1643 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
1645 /* only one parameter */
1646 command_p[0] = parameters;
1647 if (parameters[0] == ':')
1649 if (strchr(parameters,' ') != NULL)
1657 command_p[j++] = parameters;
1658 for (int i = 0; i <= q; i++)
1660 if (parameters[i] == ' ')
1662 command_p[j++] = parameters+i+1;
1663 parameters[i] = '\0';
1664 if (command_p[j-1][0] == ':')
1666 *command_p[j-1]++; /* remove dodgy ":" */
1668 /* parameter like this marks end of the sequence */
1672 return j; /* returns total number of items in the list */
1675 void process_command(userrec *user, char* cmd)
1679 char *command_p[127];
1680 char p[MAXBUF], temp[MAXBUF];
1681 int j, items, cmd_found;
1683 for (int i = 0; i < 127; i++)
1684 command_p[i] = NULL;
1699 int total_params = 0;
1702 for (unsigned int q = 0; q < strlen(cmd)-1; q++)
1704 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
1707 // found a 'trailing', we dont count them after this.
1715 // another phidjit bug...
1716 if (total_params > 126)
1718 *(strchr(cmd,' ')) = '\0';
1719 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
1723 strlcpy(temp,cmd,MAXBUF);
1725 std::string tmp = cmd;
1726 for (int i = 0; i <= MODCOUNT; i++)
1728 std::string oldtmp = tmp;
1729 modules[i]->OnServerRaw(tmp,true,user);
1732 log(DEBUG,"A Module changed the input string!");
1733 log(DEBUG,"New string: %s",tmp.c_str());
1734 log(DEBUG,"Old string: %s",oldtmp.c_str());
1738 strlcpy(cmd,tmp.c_str(),MAXBUF);
1739 strlcpy(temp,cmd,MAXBUF);
1741 if (!strchr(cmd,' '))
1743 /* no parameters, lets skip the formalities and not chop up
1745 log(DEBUG,"About to preprocess command with no params");
1747 command_p[0] = NULL;
1749 for (unsigned int i = 0; i <= strlen(cmd); i++)
1751 cmd[i] = toupper(cmd[i]);
1759 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
1760 for (unsigned int i = 0; i < strlen(temp); i++)
1762 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
1768 /* split the full string into a command plus parameters */
1772 if (strchr(cmd,' '))
1774 for (unsigned int i = 0; i <= strlen(cmd); i++)
1776 /* capitalise the command ONLY, leave params intact */
1777 cmd[i] = toupper(cmd[i]);
1778 /* are we nearly there yet?! :P */
1782 parameters = cmd+i+1;
1790 for (unsigned int i = 0; i <= strlen(cmd); i++)
1792 cmd[i] = toupper(cmd[i]);
1799 if (strlen(command)>MAXCOMMAND)
1801 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
1805 for (unsigned int x = 0; x < strlen(command); x++)
1807 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
1809 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
1811 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
1813 stats->statsUnknown++;
1814 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
1821 for (unsigned int i = 0; i != cmdlist.size(); i++)
1823 if (cmdlist[i].command[0])
1825 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
1831 items = process_parameters(command_p,parameters);
1836 command_p[0] = NULL;
1842 command_p[0] = NULL;
1847 /* activity resets the ping pending timer */
1848 user->nping = TIME + user->pingmax;
1849 if ((items) < cmdlist[i].min_params)
1851 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
1852 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
1855 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
1857 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1858 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
1862 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
1864 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1865 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
1869 /* if the command isnt USER, PASS, or NICK, and nick is empty,
1871 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
1873 if ((!isnick(user->nick)) || (user->registered != 7))
1875 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
1876 WriteServ(user->fd,"451 %s :You have not registered",command);
1880 if ((user->registered == 7) && (!strchr(user->modes,'o')))
1882 std::stringstream dcmds(Config->DisabledCommands);
1883 while (!dcmds.eof())
1885 std::string thiscmd;
1887 if (!strcasecmp(thiscmd.c_str(),command))
1889 // command is disabled!
1890 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
1895 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
1897 if (cmdlist[i].handler_function)
1900 /* ikky /stats counters */
1903 cmdlist[i].use_count++;
1904 cmdlist[i].total_bytes+=strlen(temp);
1908 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
1909 if (MOD_RESULT == 1) {
1913 /* WARNING: nothing may come after the
1914 * command handler call, as the handler
1915 * may free the user structure! */
1917 cmdlist[i].handler_function(command_p,items,user);
1923 WriteServ(user->fd,"451 %s :You have not registered",command);
1931 if ((!cmd_found) && (user))
1933 stats->statsUnknown++;
1934 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
1938 bool removecommands(const char* source)
1940 bool go_again = true;
1944 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
1946 if (!strcmp(i->source,source))
1948 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
1959 void process_buffer(const char* cmdbuf,userrec *user)
1963 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
1969 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
1976 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
1978 strlcpy(cmd,cmdbuf,MAXBUF);
1983 int sl = strlen(cmd)-1;
1984 if ((cmd[sl] == 13) || (cmd[sl] == 10))
1989 if ((cmd[sl] == 13) || (cmd[sl] == 10))
1994 while (cmd[sl] == ' ') // strip trailing spaces
2004 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
2006 if ((user) && (cmd))
2008 process_command(user,cmd);
2012 char MODERR[MAXBUF];
2019 void erase_factory(int j)
2022 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
2027 factory.push_back(NULL);
2034 void erase_module(int j)
2037 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
2043 modules.push_back(NULL);
2049 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
2053 module_names.erase(v);
2061 bool UnloadModule(const char* filename)
2063 std::string filename_str = filename;
2064 for (unsigned int j = 0; j != module_names.size(); j++)
2066 if (module_names[j] == filename_str)
2068 if (modules[j]->GetVersion().Flags & VF_STATIC)
2070 log(DEFAULT,"Failed to unload STATIC module %s",filename);
2071 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
2074 /* Give the module a chance to tidy out all its metadata */
2075 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
2077 modules[j]->OnCleanup(TYPE_CHANNEL,c->second);
2079 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
2081 modules[j]->OnCleanup(TYPE_USER,u->second);
2083 FOREACH_MOD OnUnloadModule(modules[j],module_names[j]);
2085 log(DEBUG,"Deleting module...");
2087 log(DEBUG,"Erasing module entry...");
2089 log(DEBUG,"Removing dependent commands...");
2090 removecommands(filename);
2091 log(DEFAULT,"Module %s unloaded",filename);
2096 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
2097 snprintf(MODERR,MAXBUF,"Module not loaded");
2101 bool LoadModule(const char* filename)
2103 char modfile[MAXBUF];
2105 snprintf(modfile,MAXBUF,"%s",filename);
2107 snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename);
2109 std::string filename_str = filename;
2111 if (!DirValid(modfile))
2113 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
2114 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
2118 log(DEBUG,"Loading module: %s",modfile);
2120 if (FileExists(modfile))
2123 for (unsigned int j = 0; j < module_names.size(); j++)
2125 if (module_names[j] == filename_str)
2127 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
2128 snprintf(MODERR,MAXBUF,"Module already loaded");
2132 ircd_module* a = new ircd_module(modfile);
2133 factory[MODCOUNT+1] = a;
2134 if (factory[MODCOUNT+1]->LastError())
2136 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
2137 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
2141 if (factory[MODCOUNT+1]->factory)
2143 Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
2144 modules[MODCOUNT+1] = m;
2145 /* save the module and the module's classfactory, if
2146 * this isnt done, random crashes can occur :/ */
2147 module_names.push_back(filename);
2151 log(DEFAULT,"Unable to load %s",modfile);
2152 snprintf(MODERR,MAXBUF,"Factory function failed!");
2159 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
2160 snprintf(MODERR,MAXBUF,"Module file could not be found");
2165 FOREACH_MOD OnLoadModule(modules[MODCOUNT],filename_str);
2171 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
2172 int clientportcount = 0;
2173 for (int count = 0; count < ConfValueEnum("bind",&config_f); count++)
2175 ConfValue("bind","port",count,configToken,&config_f);
2176 ConfValue("bind","address",count,Addr,&config_f);
2177 ConfValue("bind","type",count,Type,&config_f);
2178 if (strcmp(Type,"servers"))
2180 // modules handle server bind types now,
2181 // its not a typo in the strcmp.
2182 ports[clientportcount] = atoi(configToken);
2183 strlcpy(Config->addrs[clientportcount],Addr,256);
2185 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
2188 portCount = clientportcount;
2190 for (int count = 0; count < portCount; count++)
2192 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
2194 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
2197 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],Config->addrs[count]) == ERROR)
2199 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
2201 else /* well we at least bound to one socket so we'll continue */
2207 /* if we didn't bind to anything then abort */
2208 if (!boundPortCount)
2210 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
2211 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
2215 return boundPortCount;
2218 int InspIRCd(char** argv, int argc)
2220 bool expire_run = false;
2221 std::vector<int> activefds;
2225 InspSocket* s = NULL;
2226 InspSocket* s_del = NULL;
2228 unsigned int numberactive;
2229 sockaddr_in sock_us; // our port number
2230 socklen_t uslen; // length of our port number
2232 /* Beta 7 moved all this stuff out of the main function
2233 * into smaller sub-functions, much tidier -- Brain
2235 OpenLog(argv, argc);
2236 ReadConfig(true,NULL);
2238 SetupCommandTable();
2239 AddServerName(Config->ServerName);
2241 boundPortCount = BindPorts();
2244 startup_time = time(NULL);
2247 ConfValue("pid","file",0,PID,&config_f);
2248 // write once here, to try it out and make sure its ok
2251 if (!Config->nofork)
2253 if (DaemonSeed() == ERROR)
2255 printf("ERROR: could not go into daemon mode. Shutting down.\n");
2260 /* Because of limitations in kqueue on freebsd, we must fork BEFORE we
2261 * initialize the socket engine.
2263 SE = new SocketEngine();
2265 /* We must load the modules AFTER initializing the socket engine, now */
2268 printf("\nInspIRCd is now running!\n");
2269 if (!Config->nofork)
2271 freopen("/dev/null","w",stdout);
2272 freopen("/dev/null","w",stderr);
2275 /* Add the listening sockets used for client inbound connections
2276 * to the socket engine
2278 for (int count = 0; count < portCount; count++)
2279 SE->AddFd(openSockfd[count],true,X_LISTEN);
2283 /* main loop, this never returns */
2286 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
2287 * Once per loop iteration is pleanty.
2292 /* Run background module timers every few seconds
2293 * (the docs say modules shouldnt rely on accurate
2294 * timing using this event, so we dont have to
2295 * time this exactly).
2297 if (((TIME % 8) == 0) && (!expire_run))
2300 FOREACH_MOD OnBackgroundTimer(TIME);
2304 if ((TIME % 8) == 1)
2307 /* Once a second, do the background processing */
2308 if (TIME != OLDTIME)
2309 while (DoBackgroundUserStuff(TIME));
2311 /* Call the socket engine to wait on the active
2312 * file descriptors. The socket engine has everything's
2313 * descriptors in its list... dns, modules, users,
2314 * servers... so its nice and easy, just one call.
2316 SE->Wait(activefds);
2319 * Now process each of the fd's. For users, we have a fast
2320 * lookup table which can find a user by file descriptor, so
2321 * processing them by fd isnt expensive. If we have a lot of
2322 * listening ports or module sockets though, things could get
2325 numberactive = activefds.size();
2326 for (unsigned int activefd = 0; activefd < numberactive; activefd++)
2328 int socket_type = SE->GetType(activefds[activefd]);
2329 switch (socket_type)
2331 case X_ESTAB_CLIENT:
2333 cu = fd_ref_table[activefds[activefd]];
2339 case X_ESTAB_MODULE:
2341 /* Process module-owned sockets.
2342 * Modules are encouraged to inherit their sockets from
2343 * InspSocket so we can process them neatly like this.
2345 s = socket_ref[activefds[activefd]];
2347 if ((s) && (!s->Poll()))
2349 log(DEBUG,"Socket poll returned false, close and bail");
2350 SE->DelFd(s->GetFd());
2351 for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
2353 s_del = (InspSocket*)*a;
2354 if ((s_del) && (s_del->GetFd() == activefds[activefd]))
2356 module_sockets.erase(a);
2368 /* When we are using single-threaded dns,
2369 * the sockets for dns end up in our mainloop.
2370 * When we are using multi-threaded dns,
2371 * each thread has its own basic poll() loop
2372 * within it, making them 'fire and forget'
2373 * and independent of the mainloop.
2375 #ifndef THREADED_DNS
2376 dns_poll(activefds[activefd]);
2382 /* It's a listener */
2383 uslen = sizeof(sock_us);
2384 length = sizeof(client);
2385 incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
2386 if (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen))
2388 in_port = ntohs(sock_us.sin_port);
2389 log(DEBUG,"Accepted socket %d",incomingSockfd);
2390 target = (char*)inet_ntoa(client.sin_addr);
2391 /* Years and years ago, we used to resolve here
2392 * using gethostbyaddr(). That is sucky and we
2393 * don't do that any more...
2395 if (incomingSockfd >= 0)
2397 FOREACH_MOD OnRawSocketAccept(incomingSockfd, target, in_port);
2398 stats->statsAccept++;
2399 AddClient(incomingSockfd, target, in_port, false, target);
2400 log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd);
2404 WriteOpers("*** WARNING: accept() failed on port %lu (%s)",(unsigned long)in_port,target);
2405 log(DEBUG,"accept failed: %lu",(unsigned long)in_port);
2406 stats->statsRefused++;
2411 log(DEBUG,"Couldnt look up the port number for fd %lu (OS BROKEN?!)",incomingSockfd);
2412 shutdown(incomingSockfd,2);
2413 close(incomingSockfd);
2418 /* Something went wrong if we're in here.
2419 * In fact, so wrong, im not quite sure
2420 * what we would do, so for now, its going
2421 * to safely do bugger all.
2428 /* This is never reached -- we hope! */