1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 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! ;) */
22 #include "inspircd_io.h"
23 #include "inspircd_util.h"
24 #include "inspircd_config.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
32 #include <sys/types.h>
33 #include <sys/event.h>
38 #include <sys/epoll.h>
45 #include <ext/hash_map>
54 #include "connection.h"
66 #include "inspstring.h"
68 #include "helperfuncs.h"
71 int LogLevel = DEFAULT;
72 char ServerName[MAXBUF];
74 char ServerDesc[MAXBUF];
75 char AdminName[MAXBUF];
76 char AdminEmail[MAXBUF];
77 char AdminNick[MAXBUF];
79 char restartpass[MAXBUF];
83 char PrefixQuit[MAXBUF];
84 char DieValue[MAXBUF];
85 char DNSServer[MAXBUF];
87 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
88 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
90 time_t startup_time = time(NULL);
91 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
92 int MaxConn = SOMAXCONN; // size of accept() backlog (128 by default on *BSD)
93 extern int MaxWhoResults;
97 char DisabledCommands[MAXBUF];
99 bool AllowHalfop = true;
100 bool AllowProtect = true;
101 bool AllowFounder = true;
103 extern std::vector<Module*> modules;
104 std::vector<std::string> module_names;
105 extern std::vector<ircd_module*> factory;
108 int openSockfd[MAXSOCKS];
110 bool unlimitcore = false;
112 time_t TIME = time(NULL), OLDTIME = time(NULL);
122 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
123 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
124 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
125 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
126 typedef std::deque<command_t> command_table;
128 // This table references users by file descriptor.
129 // its an array to make it VERY fast, as all lookups are referenced
130 // by an integer, meaning there is no need for a scan/search operation.
131 userrec* fd_ref_table[65536];
133 int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
139 user_hash clientlist;
142 command_table cmdlist;
149 struct linger linger = { 0 };
150 char MyExecutable[1024];
151 int boundPortCount = 0;
152 int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
153 int defaultRoute = 0;
154 char ModPath[MAXBUF];
158 int has_channel(userrec *u, chanrec *c);
159 int usercount(chanrec *c);
160 int usercount_i(chanrec *c);
161 char* Passwd(userrec *user);
162 bool IsDenied(userrec *user);
163 void AddWhoWas(userrec* u);
165 std::vector<long> auth_cookies;
166 std::stringstream config_f(stringstream::in | stringstream::out);
168 std::vector<userrec*> all_opers;
172 void AddOper(userrec* user)
174 log(DEBUG,"Oper added to optimization list");
175 all_opers.push_back(user);
178 void DeleteOper(userrec* user)
180 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
184 log(DEBUG,"Oper removed from optimization list");
191 std::string GetRevision()
193 char Revision[] = "$Revision$";
196 char *v2 = strtok_r(s1," ",&savept);
198 v2 = strtok_r(s1," ",&savept);
200 return std::string(v2);
204 std::string getservername()
209 std::string getserverdesc()
214 std::string getnetworkname()
219 std::string getadminname()
224 std::string getadminemail()
229 std::string getadminnick()
234 void ReadConfig(bool bail, userrec* user)
236 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
237 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF];
239 std::stringstream errstr;
241 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
246 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
254 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
255 while (!errstr.eof())
257 errstr.getline(dataline,1024);
258 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
263 WriteOpers("There were errors in the configuration file:",user->nick);
264 while (!errstr.eof())
266 errstr.getline(dataline,1024);
267 WriteOpers(dataline);
274 ConfValue("server","name",0,ServerName,&config_f);
275 ConfValue("server","description",0,ServerDesc,&config_f);
276 ConfValue("server","network",0,Network,&config_f);
277 ConfValue("admin","name",0,AdminName,&config_f);
278 ConfValue("admin","email",0,AdminEmail,&config_f);
279 ConfValue("admin","nick",0,AdminNick,&config_f);
280 ConfValue("files","motd",0,motd,&config_f);
281 ConfValue("files","rules",0,rules,&config_f);
282 ConfValue("power","diepass",0,diepass,&config_f);
283 ConfValue("power","pause",0,pauseval,&config_f);
284 ConfValue("power","restartpass",0,restartpass,&config_f);
285 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
286 ConfValue("die","value",0,DieValue,&config_f);
287 ConfValue("options","loglevel",0,dbg,&config_f);
288 ConfValue("options","netbuffersize",0,NB,&config_f);
289 ConfValue("options","maxwho",0,MW,&config_f);
290 ConfValue("options","allowhalfop",0,AH,&config_f);
291 ConfValue("options","allowprotect",0,AP,&config_f);
292 ConfValue("options","allowfounder",0,AF,&config_f);
293 ConfValue("dns","server",0,DNSServer,&config_f);
294 ConfValue("dns","timeout",0,DNT,&config_f);
295 ConfValue("options","moduledir",0,ModPath,&config_f);
296 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
297 ConfValue("options","somaxconn",0,MCON,&config_f);
299 MaxConn = atoi(MCON);
300 if (MaxConn > SOMAXCONN)
301 log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
302 NetBufferSize = atoi(NB);
303 MaxWhoResults = atoi(MW);
304 dns_timeout = atoi(DNT);
310 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
312 strlcpy(ModPath,MOD_PATH,MAXBUF);
313 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
314 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
315 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
316 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
318 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
319 NetBufferSize = 10240;
321 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
323 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
326 if (!strcmp(dbg,"debug"))
328 if (!strcmp(dbg,"verbose"))
330 if (!strcmp(dbg,"default"))
332 if (!strcmp(dbg,"sparse"))
334 if (!strcmp(dbg,"none"))
337 log(DEFAULT,"Reading message of the day...");
338 readfile(RULES,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...");
401 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
404 log(DEFAULT,"Adding and removing modules due to rehash...");
406 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
408 // store the old module names
409 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
411 old_module_names.push_back(*t);
414 // get the new module names
415 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
417 ConfValue("module","name",count2,Value,&config_f);
418 new_module_names.push_back(Value);
421 // now create a list of new modules that are due to be loaded
422 // and a seperate list of modules which are due to be unloaded
423 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
426 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
432 added_modules.push_back(*_new);
434 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
437 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
443 removed_modules.push_back(*oldm);
445 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
447 int rem = 0, add = 0;
448 if (!removed_modules.empty())
449 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
451 if (UnloadModule(removing->c_str()))
453 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
454 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
459 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
462 if (!added_modules.empty())
463 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
465 if (LoadModule(adding->c_str()))
467 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
468 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
473 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
476 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());
481 /* add a channel to a user, creating the record for it if needed and linking
482 * it to the user record */
484 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
486 if ((!user) || (!cn))
488 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
496 strncpy(cname,cn,MAXBUF);
498 // we MUST declare this wherever we use FOREACH_RESULT
501 if (strlen(cname) > CHANMAX-1)
503 cname[CHANMAX-1] = '\0';
506 log(DEBUG,"add_channel: %s %s",user->nick,cname);
508 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
510 return NULL; // already on the channel!
514 if (!FindChan(cname))
517 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
518 if (MOD_RESULT == 1) {
522 /* create a new one */
523 log(DEBUG,"add_channel: creating: %s",cname);
525 chanlist[cname] = new chanrec();
527 strlcpy(chanlist[cname]->name, cname,CHANMAX);
528 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
529 chanlist[cname]->created = TIME;
530 strcpy(chanlist[cname]->topic, "");
531 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
532 chanlist[cname]->topicset = 0;
533 Ptr = chanlist[cname];
534 log(DEBUG,"add_channel: created: %s",cname);
535 /* set created to 2 to indicate user
536 * is the first in the channel
537 * and should be given ops */
543 /* channel exists, just fish out a pointer to its struct */
544 Ptr = FindChan(cname);
547 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
549 // the override flag allows us to bypass channel modes
550 // and bans (used by servers)
551 if ((!override) || (!strcasecmp(user->server,ServerName)))
553 log(DEBUG,"Not overriding...");
555 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
556 if (MOD_RESULT == 1) {
559 log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
563 log(DEBUG,"add_channel: checking key, invite, etc");
565 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
570 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
573 log(DEBUG,"add_channel: no key given in JOIN");
574 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
579 if (strcasecmp(key,Ptr->key))
581 log(DEBUG,"add_channel: bad key given in JOIN");
582 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
587 log(DEBUG,"add_channel: no key");
590 FOREACH_RESULT(OnCheckInvite(user, Ptr));
593 if (Ptr->binarymodes & CM_INVITEONLY)
595 log(DEBUG,"add_channel: channel is +i");
596 if (user->IsInvited(Ptr->name))
598 /* user was invited to channel */
599 /* there may be an optional channel NOTICE here */
603 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
607 log(DEBUG,"add_channel: channel is not +i");
610 FOREACH_RESULT(OnCheckLimit(user, Ptr));
615 if (usercount(Ptr) >= Ptr->limit)
617 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
622 log(DEBUG,"add_channel: about to walk banlist");
624 FOREACH_RESULT(OnCheckBan(user, Ptr));
627 /* check user against the channel banlist */
630 if (Ptr->bans.size())
632 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
634 if (match(user->GetFullHost(),i->data))
636 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
642 log(DEBUG,"add_channel: bans checked");
650 user->RemoveInvite(Ptr->name);
653 log(DEBUG,"add_channel: invites removed");
658 log(DEBUG,"Overridden checks");
666 log(DEBUG,"Passed channel checks");
668 for (int index =0; index != MAXCHANS; index++)
670 log(DEBUG,"Check location %d",index);
671 if (user->chans[index].channel == NULL)
673 log(DEBUG,"Adding into their channel list at location %d",index);
677 /* first user in is given ops */
678 user->chans[index].uc_modes = UCMODE_OP;
682 user->chans[index].uc_modes = 0;
684 user->chans[index].channel = Ptr;
685 Ptr->AddUser((char*)user);
686 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
688 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
690 // use the stamdard J token with no privilages.
694 snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
698 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
700 NetSendToAll(buffer);
703 log(DEBUG,"Sent JOIN to client");
707 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
708 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
711 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
712 //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
713 //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
714 FOREACH_MOD OnUserJoin(user,Ptr);
718 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
719 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
723 /* remove a channel from a users record, and remove the record from memory
724 * if the channel has become empty */
726 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
728 if ((!user) || (!cname))
730 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
736 if ((!cname) || (!user))
741 Ptr = FindChan(cname);
748 FOREACH_MOD OnUserPart(user,Ptr);
749 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
751 for (int i =0; i != MAXCHANS; i++)
753 /* zap it from the channel list of the user */
754 if (user->chans[i].channel == Ptr)
758 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
763 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
764 NetSendToAll(buffer);
774 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
775 NetSendToAll(buffer);
778 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
780 user->chans[i].uc_modes = 0;
781 user->chans[i].channel = NULL;
782 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
787 Ptr->DelUser((char*)user);
789 /* if there are no users left on the channel */
792 chan_hash::iterator iter = chanlist.find(Ptr->name);
794 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
796 /* kill the record */
797 if (iter != chanlist.end())
799 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
801 chanlist.erase(iter);
807 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
809 if ((!src) || (!user) || (!Ptr) || (!reason))
811 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
815 if ((!Ptr) || (!user) || (!src))
820 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
822 if (!has_channel(user,Ptr))
824 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
829 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
830 if (MOD_RESULT == ACR_DENY)
833 if (MOD_RESULT == ACR_DEFAULT)
835 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
837 if (cstatus(src,Ptr) == STATUS_HOP)
839 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
843 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
851 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
855 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
857 for (int i =0; i != MAXCHANS; i++)
859 /* zap it from the channel list of the user */
860 if (user->chans[i].channel)
861 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
863 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
864 user->chans[i].uc_modes = 0;
865 user->chans[i].channel = NULL;
866 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
871 Ptr->DelUser((char*)user);
873 /* if there are no users left on the channel */
876 chan_hash::iterator iter = chanlist.find(Ptr->name);
878 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
880 /* kill the record */
881 if (iter != chanlist.end())
883 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
885 chanlist.erase(iter);
893 /* This function pokes and hacks at a parameter list like the following:
895 * PART #winbot,#darkgalaxy :m00!
897 * to turn it into a series of individual calls like this:
900 * PART #darkgalaxy :m00!
902 * The seperate calls are sent to a callback function provided by the caller
903 * (the caller will usually call itself recursively). The callback function
904 * must be a command handler. Calling this function on a line with no list causes
905 * no action to be taken. You must provide a starting and ending parameter number
906 * where the range of the list can be found, useful if you have a terminating
907 * parameter as above which is actually not part of the list, or parameters
908 * before the actual list as well. This code is used by many functions which
909 * can function as "one to list" (see the RFC) */
911 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
916 char blog[32][MAXBUF];
917 char blog2[32][MAXBUF];
918 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
922 for (int i = 0; i <32; i++)
925 for (int i = 0; i <32; i++)
929 for (int i = 0; i <10; i++)
938 if (pcnt > 1) /* we have a key to copy */
940 strlcpy(keystr,parameters[1],MAXBUF);
944 if (!parameters[start])
948 if (!strchr(parameters[start],','))
953 for (int i = start; i <= end; i++)
957 strlcat(plist,parameters[i],MAXBUF);
965 for (int i = 0; i < t; i++)
970 strlcpy(blog[j++],param,MAXBUF);
974 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
979 strlcpy(blog[j++],param,MAXBUF);
982 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
987 if ((joins) && (keystr))
989 if (strchr(keystr,','))
994 for (int i = 0; i < t2; i++)
996 if (keystr[i] == ',')
999 strlcpy(blog2[j++],param,MAXBUF);
1003 strlcpy(blog2[j++],param,MAXBUF);
1008 for (j = 0; j < total; j++)
1014 for (q = end; q < pcnt-1; q++)
1016 if (parameters[q+1])
1018 pars[q-end+1] = parameters[q+1];
1021 if ((joins) && (parameters[1]))
1032 /* repeatedly call the function with the hacked parameter list */
1033 if ((joins) && (pcnt > 1))
1037 // pars[1] already set up and containing key from blog2[j]
1042 pars[1] = parameters[1];
1048 fn(pars,pcnt-(end-start),u);
1057 void kill_link(userrec *user,const char* r)
1059 user_hash::iterator iter = clientlist.find(user->nick);
1061 char reason[MAXBUF];
1063 strncpy(reason,r,MAXBUF);
1065 if (strlen(reason)>MAXQUIT)
1067 reason[MAXQUIT-1] = '\0';
1070 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1071 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1072 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1074 if (user->registered == 7) {
1075 FOREACH_MOD OnUserQuit(user);
1076 WriteCommonExcept(user,"QUIT :%s",reason);
1078 // Q token must go to ALL servers!!!
1079 char buffer[MAXBUF];
1080 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1081 NetSendToAll(buffer);
1084 user->FlushWriteBuf();
1086 FOREACH_MOD OnUserDisconnect(user);
1090 FOREACH_MOD OnRawSocketClose(user->fd);
1093 EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
1094 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1097 log(DEBUG,"kqueue: Failed to remove user from queue!");
1101 struct epoll_event ev;
1102 ev.events = EPOLLIN | EPOLLET;
1103 ev.data.fd = user->fd;
1104 int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
1107 log(DEBUG,"epoll: List deletion failure!");
1110 user->CloseSocket();
1113 // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
1114 // if they were an oper with +s.
1115 if (user->registered == 7) {
1116 purge_empty_chans(user);
1117 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1121 if (iter != clientlist.end())
1123 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1125 fd_ref_table[user->fd] = NULL;
1126 clientlist.erase(iter);
1131 void kill_link_silent(userrec *user,const char* r)
1133 user_hash::iterator iter = clientlist.find(user->nick);
1135 char reason[MAXBUF];
1137 strncpy(reason,r,MAXBUF);
1139 if (strlen(reason)>MAXQUIT)
1141 reason[MAXQUIT-1] = '\0';
1144 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1145 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1146 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1148 user->FlushWriteBuf();
1150 if (user->registered == 7) {
1151 FOREACH_MOD OnUserQuit(user);
1152 WriteCommonExcept(user,"QUIT :%s",reason);
1154 // Q token must go to ALL servers!!!
1155 char buffer[MAXBUF];
1156 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1157 NetSendToAll(buffer);
1160 FOREACH_MOD OnUserDisconnect(user);
1164 FOREACH_MOD OnRawSocketClose(user->fd);
1167 EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
1168 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1171 log(DEBUG,"kqueue: Failed to remove user from queue!");
1175 struct epoll_event ev;
1176 ev.events = EPOLLIN | EPOLLET;
1177 ev.data.fd = user->fd;
1178 int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
1181 log(DEBUG,"epoll: List deletion failure!");
1184 user->CloseSocket();
1187 if (user->registered == 7) {
1188 purge_empty_chans(user);
1191 if (iter != clientlist.end())
1193 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1195 fd_ref_table[user->fd] = NULL;
1196 clientlist.erase(iter);
1202 int main(int argc, char** argv)
1206 log(DEBUG,"*** InspIRCd starting up!");
1207 if (!FileExists(CONFIG_FILE))
1209 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
1210 log(DEFAULT,"main: no config");
1211 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
1215 for (int i = 1; i < argc; i++)
1217 if (!strcmp(argv[i],"-nofork")) {
1220 if (!strcmp(argv[i],"-wait")) {
1223 if (!strcmp(argv[i],"-nolimit")) {
1228 strlcpy(MyExecutable,argv[0],MAXBUF);
1230 // initialize the lowercase mapping table
1231 for (int cn = 0; cn < 256; cn++)
1233 // lowercase the uppercase chars
1234 for (int cn = 65; cn < 91; cn++)
1235 lowermap[cn] = tolower(cn);
1236 // now replace the specific chars for scandanavian comparison
1237 lowermap['['] = '{';
1238 lowermap[']'] = '}';
1239 lowermap['\\'] = '|';
1241 if (InspIRCd(argv,argc) == ERROR)
1243 log(DEFAULT,"main: daemon function bailed");
1244 printf("ERROR: could not initialise. Shutting down.\n");
1251 template<typename T> inline string ConvToStr(const T &in)
1254 if (!(tmp << in)) return string();
1258 /* re-allocates a nick in the user_hash after they change nicknames,
1259 * returns a pointer to the new user as it may have moved */
1261 userrec* ReHashNick(char* Old, char* New)
1263 //user_hash::iterator newnick;
1264 user_hash::iterator oldnick = clientlist.find(Old);
1266 log(DEBUG,"ReHashNick: %s %s",Old,New);
1268 if (!strcasecmp(Old,New))
1270 log(DEBUG,"old nick is new nick, skipping");
1271 return oldnick->second;
1274 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
1276 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
1278 userrec* olduser = oldnick->second;
1279 clientlist[New] = olduser;
1280 clientlist.erase(oldnick);
1282 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
1284 return clientlist[New];
1287 /* adds or updates an entry in the whowas list */
1288 void AddWhoWas(userrec* u)
1290 whowas_hash::iterator iter = whowas.find(u->nick);
1291 WhoWasUser *a = new WhoWasUser();
1292 strlcpy(a->nick,u->nick,NICKMAX);
1293 strlcpy(a->ident,u->ident,15);
1294 strlcpy(a->dhost,u->dhost,160);
1295 strlcpy(a->host,u->host,160);
1296 strlcpy(a->fullname,u->fullname,128);
1297 strlcpy(a->server,u->server,256);
1298 a->signon = u->signon;
1300 /* MAX_WHOWAS: max number of /WHOWAS items
1301 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
1302 * can be replaced by a newer one
1305 if (iter == whowas.end())
1307 if (whowas.size() >= WHOWAS_MAX)
1309 for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
1311 // 3600 seconds in an hour ;)
1312 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
1314 // delete the old one
1315 if (i->second) delete i->second;
1316 // replace with new one
1318 log(DEBUG,"added WHOWAS entry, purged an old record");
1322 // no space left and user doesnt exist. Don't leave ram in use!
1323 log(DEBUG,"Not able to update whowas (list at WHOWAS_MAX entries and trying to add new?), freeing excess ram");
1328 log(DEBUG,"added fresh WHOWAS entry");
1329 whowas[a->nick] = a;
1334 log(DEBUG,"updated WHOWAS entry");
1335 if (iter->second) delete iter->second;
1341 /* add a client connection to the sockets list */
1342 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
1346 user_hash::iterator iter;
1348 tempnick = ConvToStr(socket) + "-unknown";
1349 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
1351 iter = clientlist.find(tempnick);
1354 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
1355 // using one as a registered connection. As theyre per fd, we can also safely assume
1356 // that we wont have collisions. Therefore, if the nick exists in the list, its only
1357 // used by a dead socket, erase the iterator so that the new client may reclaim it.
1358 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
1359 // issue in earlier alphas/betas
1360 if (iter != clientlist.end())
1362 userrec* goner = iter->second;
1364 clientlist.erase(iter);
1368 * It is OK to access the value here this way since we know
1369 * it exists, we just created it above.
1371 * At NO other time should you access a value in a map or a
1372 * hash_map this way.
1374 clientlist[tempnick] = new userrec();
1376 NonBlocking(socket);
1377 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
1379 clientlist[tempnick]->fd = socket;
1380 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
1381 strncpy(clientlist[tempnick]->host, host,160);
1382 strncpy(clientlist[tempnick]->dhost, host,160);
1383 strncpy(clientlist[tempnick]->server, ServerName,256);
1384 strncpy(clientlist[tempnick]->ident, "unknown",15);
1385 clientlist[tempnick]->registered = 0;
1386 clientlist[tempnick]->signon = TIME+dns_timeout;
1387 clientlist[tempnick]->lastping = 1;
1388 clientlist[tempnick]->port = port;
1389 strncpy(clientlist[tempnick]->ip,ip,16);
1391 // set the registration timeout for this user
1392 unsigned long class_regtimeout = 90;
1393 int class_flood = 0;
1394 long class_threshold = 5;
1395 long class_sqmax = 262144; // 256kb
1396 long class_rqmax = 4096; // 4k
1398 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1400 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
1402 class_regtimeout = (unsigned long)i->registration_timeout;
1403 class_flood = i->flood;
1404 clientlist[tempnick]->pingmax = i->pingtime;
1405 class_threshold = i->threshold;
1406 class_sqmax = i->sendqmax;
1407 class_rqmax = i->recvqmax;
1412 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
1413 clientlist[tempnick]->timeout = TIME+class_regtimeout;
1414 clientlist[tempnick]->flood = class_flood;
1415 clientlist[tempnick]->threshold = class_threshold;
1416 clientlist[tempnick]->sendqmax = class_sqmax;
1417 clientlist[tempnick]->recvqmax = class_rqmax;
1419 for (int i = 0; i < MAXCHANS; i++)
1421 clientlist[tempnick]->chans[i].channel = NULL;
1422 clientlist[tempnick]->chans[i].uc_modes = 0;
1425 if (clientlist.size() == MAXCLIENTS)
1427 kill_link(clientlist[tempnick],"No more connections allowed in this class");
1431 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1432 // its a pretty big but for the moment valid assumption:
1433 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
1434 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1435 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
1436 // which for the time being is a physical impossibility (even the largest networks dont have more
1437 // than about 10,000 users on ONE server!)
1440 kill_link(clientlist[tempnick],"Server is full");
1445 char* e = matches_exception(ip);
1448 char* r = matches_zline(ip);
1451 char reason[MAXBUF];
1452 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
1453 kill_link(clientlist[tempnick],reason);
1457 fd_ref_table[socket] = clientlist[tempnick];
1460 struct epoll_event ev;
1461 log(DEBUG,"epoll: Adduser to events, ep=%d socket=%d",ep,socket);
1462 ev.events = EPOLLIN | EPOLLET;
1463 ev.data.fd = socket;
1464 int i = epoll_ctl(ep, EPOLL_CTL_ADD, socket, &ev);
1467 log(DEBUG,"epoll: List insertion failure!");
1472 log(DEBUG,"kqueue: Add user to events, kq=%d socket=%d",kq,socket);
1473 EV_SET(&ke, socket, EVFILT_READ, EV_ADD, 0, 0, NULL);
1474 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1477 log(DEBUG,"kqueue: List insertion failure!");
1483 /* shows the message of the day, and any other on-logon stuff */
1484 void FullConnectUser(userrec* user)
1487 user->idle_lastmsg = TIME;
1488 log(DEBUG,"ConnectUser: %s",user->nick);
1490 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
1492 kill_link(user,"Invalid password");
1497 kill_link(user,"Unauthorised connection");
1501 char match_against[MAXBUF];
1502 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
1503 char* e = matches_exception(match_against);
1506 char* r = matches_gline(match_against);
1509 char reason[MAXBUF];
1510 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1511 kill_link_silent(user,reason);
1514 r = matches_kline(user->host);
1517 char reason[MAXBUF];
1518 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1519 kill_link_silent(user,reason);
1524 // fix by brain: move this below the xline checks to prevent spurious quits going onto the net that dont belong
1525 user->registered = 7;
1527 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
1528 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
1529 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
1530 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
1531 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
1532 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
1533 std::stringstream v;
1534 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
1535 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
1536 v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
1538 std::string data005 = v.str();
1539 FOREACH_MOD On005Numeric(data005);
1540 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1541 // so i'd better split it :)
1542 std::stringstream out(data005);
1543 std::string token = "";
1544 std::string line5 = "";
1545 int token_counter = 0;
1549 line5 = line5 + token + " ";
1551 if ((token_counter >= 13) || (out.eof() == true))
1553 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
1560 char buffer[MAXBUF];
1561 snprintf(buffer,MAXBUF,"N %lu %s %s %s %s +%s %s %s :%s",(unsigned long)user->age,user->nick,user->host,user->dhost,user->ident,user->modes,user->ip,ServerName,user->fullname);
1562 NetSendToAll(buffer);
1564 // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
1565 FOREACH_MOD OnUserConnect(user);
1566 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
1570 /* shows the message of the day, and any other on-logon stuff */
1571 void ConnectUser(userrec *user)
1573 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
1574 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
1576 FullConnectUser(user);
1580 std::string GetVersionString()
1582 char Revision[] = "$Revision$";
1583 char versiondata[MAXBUF];
1584 char *s1 = Revision;
1586 char *v2 = strtok_r(s1," ",&savept);
1588 v2 = strtok_r(s1," ",&savept);
1591 char socketengine[] = "kqueue";
1594 char socketengine[] = "select";
1597 char socketengine[] = "epoll";
1599 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
1603 void handle_version(char **parameters, int pcnt, userrec *user)
1607 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1611 if (!strcmp(parameters[0],"*"))
1613 for (int j = 0; j < 32; j++)
1617 for (int x = 0; x < me[j]->connectors.size(); x++)
1619 WriteServ(user->fd,"351 %s :Server %d:%d (%s): %s",user->nick,j,x,me[j]->connectors[x].GetServerName().c_str(),me[j]->connectors[x].GetVersionString().c_str());
1625 if (match(ServerName,parameters[0]))
1627 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1630 bool displayed = false, found = false;
1631 for (int j = 0; j < 32; j++)
1635 for (int x = 0; x < me[j]->connectors.size(); x++)
1637 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1640 if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
1643 WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
1649 if ((!displayed) && (found))
1651 WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
1656 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
1663 // calls a handler function for a command
1665 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
1667 for (int i = 0; i < cmdlist.size(); i++)
1669 if (!strcasecmp(cmdlist[i].command,commandname))
1671 if (cmdlist[i].handler_function)
1673 if (pcnt>=cmdlist[i].min_params)
1675 if (strchr(user->modes,cmdlist[i].flags_needed))
1677 cmdlist[i].handler_function(parameters,pcnt,user);
1685 void DoSplitEveryone()
1687 bool go_again = true;
1691 for (int i = 0; i < 32; i++)
1695 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
1697 if (strcasecmp(j->GetServerName().c_str(),ServerName))
1700 j->CloseConnection();
1701 me[i]->connectors.erase(j);
1709 log(DEBUG,"Removed server. Will remove clients...");
1710 // iterate through the userlist and remove all users on this server.
1711 // because we're dealing with a mesh, we dont have to deal with anything
1712 // "down-route" from this server (nice huh)
1714 char reason[MAXBUF];
1718 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
1720 if (strcasecmp(u->second->server,ServerName))
1722 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
1723 kill_link(u->second,reason);
1733 void force_nickchange(userrec* user,const char* newnick)
1740 FOREACH_RESULT(OnUserPreNick(user,newnick));
1743 kill_link(user,"Nickname collision");
1746 if (matches_qline(newnick))
1749 kill_link(user,"Nickname collision");
1757 strncpy(nick,newnick,MAXBUF);
1759 if (user->registered == 7)
1763 handle_nick(pars,1,user);
1769 int process_parameters(char **command_p,char *parameters)
1772 int q = strlen(parameters);
1775 /* no parameters, command_p invalid! */
1778 if (parameters[0] == ':')
1780 command_p[0] = parameters+1;
1785 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
1787 /* only one parameter */
1788 command_p[0] = parameters;
1789 if (parameters[0] == ':')
1791 if (strchr(parameters,' ') != NULL)
1799 command_p[j++] = parameters;
1800 for (int i = 0; i <= q; i++)
1802 if (parameters[i] == ' ')
1804 command_p[j++] = parameters+i+1;
1805 parameters[i] = '\0';
1806 if (command_p[j-1][0] == ':')
1808 *command_p[j-1]++; /* remove dodgy ":" */
1810 /* parameter like this marks end of the sequence */
1814 return j; /* returns total number of items in the list */
1817 void process_command(userrec *user, char* cmd)
1821 char *command_p[127];
1822 char p[MAXBUF], temp[MAXBUF];
1823 int j, items, cmd_found;
1825 for (int i = 0; i < 127; i++)
1826 command_p[i] = NULL;
1841 int total_params = 0;
1844 for (int q = 0; q < strlen(cmd)-1; q++)
1846 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
1849 // found a 'trailing', we dont count them after this.
1857 // another phidjit bug...
1858 if (total_params > 126)
1860 *(strchr(cmd,' ')) = '\0';
1861 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
1865 strlcpy(temp,cmd,MAXBUF);
1867 std::string tmp = cmd;
1868 for (int i = 0; i <= MODCOUNT; i++)
1870 std::string oldtmp = tmp;
1871 modules[i]->OnServerRaw(tmp,true,user);
1874 log(DEBUG,"A Module changed the input string!");
1875 log(DEBUG,"New string: %s",tmp.c_str());
1876 log(DEBUG,"Old string: %s",oldtmp.c_str());
1880 strlcpy(cmd,tmp.c_str(),MAXBUF);
1881 strlcpy(temp,cmd,MAXBUF);
1883 if (!strchr(cmd,' '))
1885 /* no parameters, lets skip the formalities and not chop up
1887 log(DEBUG,"About to preprocess command with no params");
1889 command_p[0] = NULL;
1891 for (int i = 0; i <= strlen(cmd); i++)
1893 cmd[i] = toupper(cmd[i]);
1901 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
1902 for (int i = 0; i < strlen(temp); i++)
1904 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
1910 /* split the full string into a command plus parameters */
1914 if (strchr(cmd,' '))
1916 for (int i = 0; i <= strlen(cmd); i++)
1918 /* capitalise the command ONLY, leave params intact */
1919 cmd[i] = toupper(cmd[i]);
1920 /* are we nearly there yet?! :P */
1924 parameters = cmd+i+1;
1932 for (int i = 0; i <= strlen(cmd); i++)
1934 cmd[i] = toupper(cmd[i]);
1941 if (strlen(command)>MAXCOMMAND)
1943 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
1947 for (int x = 0; x < strlen(command); x++)
1949 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
1951 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
1953 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
1956 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
1963 for (int i = 0; i != cmdlist.size(); i++)
1965 if (cmdlist[i].command[0])
1967 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
1973 items = process_parameters(command_p,parameters);
1978 command_p[0] = NULL;
1984 command_p[0] = NULL;
1989 /* activity resets the ping pending timer */
1990 user->nping = TIME + user->pingmax;
1991 if ((items) < cmdlist[i].min_params)
1993 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
1994 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
1997 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
1999 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2000 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
2004 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
2006 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2007 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
2011 /* if the command isnt USER, PASS, or NICK, and nick is empty,
2013 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
2015 if ((!isnick(user->nick)) || (user->registered != 7))
2017 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2018 WriteServ(user->fd,"451 %s :You have not registered",command);
2022 if ((user->registered == 7) && (!strchr(user->modes,'o')))
2026 mycmd = strtok_r(DisabledCommands," ",&savept2);
2029 if (!strcasecmp(mycmd,command))
2031 // command is disabled!
2032 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
2035 mycmd = strtok_r(NULL," ",&savept2);
2040 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
2042 if (cmdlist[i].handler_function)
2045 /* ikky /stats counters */
2048 cmdlist[i].use_count++;
2049 cmdlist[i].total_bytes+=strlen(temp);
2053 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
2054 if (MOD_RESULT == 1) {
2058 /* WARNING: nothing may come after the
2059 * command handler call, as the handler
2060 * may free the user structure! */
2062 cmdlist[i].handler_function(command_p,items,user);
2068 WriteServ(user->fd,"451 %s :You have not registered",command);
2076 if ((!cmd_found) && (user))
2079 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2083 bool removecommands(const char* source)
2085 bool go_again = true;
2089 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
2091 if (!strcmp(i->source,source))
2093 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
2104 void process_buffer(const char* cmdbuf,userrec *user)
2108 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2114 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2121 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
2123 strlcpy(cmd,cmdbuf,MAXBUF);
2128 int sl = strlen(cmd)-1;
2129 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2134 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2139 while (cmd[sl] == ' ') // strip trailing spaces
2149 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
2151 if ((user) && (cmd))
2153 process_command(user,cmd);
2157 void DoSync(serverrec* serv, char* tcp_host)
2160 log(DEBUG,"Sending sync");
2161 // send start of sync marker: Y <timestamp>
2162 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
2163 // except the ones its receiving it from.
2164 snprintf(data,MAXBUF,"%s Y %lu",CreateSum().c_str(),(unsigned long)TIME);
2165 serv->SendPacket(data,tcp_host);
2166 // send users and channels
2168 NetSendMyRoutingTable();
2170 // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
2171 for (int j = 0; j < 32; j++)
2175 for (int k = 0; k < me[j]->connectors.size(); k++)
2177 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
2179 snprintf(data,MAXBUF,"%s H %s",CreateSum().c_str(),me[j]->connectors[k].GetServerName().c_str());
2180 serv->SendPacket(data,tcp_host);
2186 // send our version for the remote side to cache
2187 snprintf(data,MAXBUF,"%s v %s %s",CreateSum().c_str(),ServerName,GetVersionString().c_str());
2188 serv->SendPacket(data,tcp_host);
2190 // sync the users and channels, give the modules a look-in.
2191 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
2193 snprintf(data,MAXBUF,"%s N %lu %s %s %s %s +%s %s %s :%s",CreateSum().c_str(),(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->modes,u->second->ip,u->second->server,u->second->fullname);
2194 serv->SendPacket(data,tcp_host);
2195 if (strchr(u->second->modes,'o'))
2197 snprintf(data,MAXBUF,"%s | %s %s",CreateSum().c_str(),u->second->nick,u->second->oper);
2198 serv->SendPacket(data,tcp_host);
2200 for (int i = 0; i <= MODCOUNT; i++)
2202 string_list l = modules[i]->OnUserSync(u->second);
2203 for (int j = 0; j < l.size(); j++)
2205 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2206 serv->SendPacket(data,tcp_host);
2209 char* chl = chlist(u->second,u->second);
2212 snprintf(data,MAXBUF,"%s J %s %s",CreateSum().c_str(),u->second->nick,chl);
2213 serv->SendPacket(data,tcp_host);
2216 // send channel modes, topics etc...
2217 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
2219 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
2220 serv->SendPacket(data,tcp_host);
2221 for (int i = 0; i <= MODCOUNT; i++)
2223 string_list l = modules[i]->OnChannelSync(c->second);
2224 for (int j = 0; j < l.size(); j++)
2226 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2227 serv->SendPacket(data,tcp_host);
2230 if (c->second->topic[0])
2232 snprintf(data,MAXBUF,"%s T %lu %s %s :%s",CreateSum().c_str(),(unsigned long)c->second->topicset,c->second->setby,c->second->name,c->second->topic);
2233 serv->SendPacket(data,tcp_host);
2235 // send current banlist
2237 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
2239 snprintf(data,MAXBUF,"%s M %s +b %s",CreateSum().c_str(),c->second->name,b->data);
2240 serv->SendPacket(data,tcp_host);
2243 // sync global zlines, glines, etc
2244 sync_xlines(serv,tcp_host);
2246 snprintf(data,MAXBUF,"%s F %lu",CreateSum().c_str(),(unsigned long)TIME);
2247 serv->SendPacket(data,tcp_host);
2248 log(DEBUG,"Sent sync");
2249 // ircd sends its serverlist after the end of sync here
2253 void NetSendMyRoutingTable()
2255 // send out a line saying what is reachable to us.
2256 // E.g. if A is linked to B C and D, send out:
2258 // if its only linked to B and D send out:
2260 // if it has no links, dont even send out the line at all.
2261 char buffer[MAXBUF];
2262 snprintf(buffer,MAXBUF,"$ %s",ServerName);
2263 bool sendit = false;
2264 for (int i = 0; i < 32; i++)
2268 for (int j = 0; j < me[i]->connectors.size(); j++)
2270 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
2272 strlcat(buffer," ",MAXBUF);
2273 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
2280 NetSendToAll(buffer);
2284 void DoSplit(const char* params)
2286 bool go_again = true;
2290 for (int i = 0; i < 32; i++)
2294 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2296 if (!strcasecmp(j->GetServerName().c_str(),params))
2299 j->CloseConnection();
2300 me[i]->connectors.erase(j);
2308 log(DEBUG,"Removed server. Will remove clients...");
2309 // iterate through the userlist and remove all users on this server.
2310 // because we're dealing with a mesh, we dont have to deal with anything
2311 // "down-route" from this server (nice huh)
2313 char reason[MAXBUF];
2314 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2318 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2320 if (!strcasecmp(u->second->server,params))
2322 kill_link(u->second,reason);
2330 // removes a server. Will NOT remove its users!
2332 void RemoveServer(const char* name)
2334 bool go_again = true;
2338 for (int i = 0; i < 32; i++)
2342 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2344 if (!strcasecmp(j->GetServerName().c_str(),name))
2347 j->CloseConnection();
2348 me[i]->connectors.erase(j);
2359 char MODERR[MAXBUF];
2366 void erase_factory(int j)
2369 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
2374 factory.push_back(NULL);
2381 void erase_module(int j)
2384 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
2390 modules.push_back(NULL);
2396 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
2400 module_names.erase(v);
2408 bool UnloadModule(const char* filename)
2410 std::string filename_str = filename;
2411 for (int j = 0; j != module_names.size(); j++)
2413 if (module_names[j] == filename_str)
2415 if (modules[j]->GetVersion().Flags & VF_STATIC)
2417 log(DEFAULT,"Failed to unload STATIC module %s",filename);
2418 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
2422 log(DEBUG,"Deleting module...");
2424 log(DEBUG,"Erasing module entry...");
2426 log(DEBUG,"Removing dependent commands...");
2427 removecommands(filename);
2428 log(DEFAULT,"Module %s unloaded",filename);
2433 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
2434 snprintf(MODERR,MAXBUF,"Module not loaded");
2438 bool LoadModule(const char* filename)
2440 char modfile[MAXBUF];
2442 snprintf(modfile,MAXBUF,"%s",filename);
2444 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
2446 std::string filename_str = filename;
2448 if (!DirValid(modfile))
2450 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
2451 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
2455 log(DEBUG,"Loading module: %s",modfile);
2457 if (FileExists(modfile))
2460 for (int j = 0; j < module_names.size(); j++)
2462 if (module_names[j] == filename_str)
2464 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
2465 snprintf(MODERR,MAXBUF,"Module already loaded");
2469 ircd_module* a = new ircd_module(modfile);
2470 factory[MODCOUNT+1] = a;
2471 if (factory[MODCOUNT+1]->LastError())
2473 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
2474 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
2478 if (factory[MODCOUNT+1]->factory)
2480 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
2481 modules[MODCOUNT+1] = m;
2482 /* save the module and the module's classfactory, if
2483 * this isnt done, random crashes can occur :/ */
2484 module_names.push_back(filename);
2488 log(DEFAULT,"Unable to load %s",modfile);
2489 snprintf(MODERR,MAXBUF,"Factory function failed!");
2496 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
2497 snprintf(MODERR,MAXBUF,"Module file could not be found");
2505 int InspIRCd(char** argv, int argc)
2507 struct sockaddr_in client,server;
2508 char addrs[MAXBUF][255];
2509 int incomingSockfd, result = TRUE;
2512 int selectResult = 0, selectResult2 = 0;
2513 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
2517 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
2518 log_file = fopen(logpath.c_str(),"a+");
2521 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
2526 printf("Logging to ircd.log...\n");
2528 printf("Logging to %s...\n",logpath.c_str());
2531 log(DEFAULT,"$Id$");
2534 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
2536 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
2538 SetupCommandTable();
2539 log(DEBUG,"InspIRCd: startup: default command table set up");
2541 ReadConfig(true,NULL);
2544 printf("WARNING: %s\n\n",DieValue);
2545 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
2548 log(DEBUG,"InspIRCd: startup: read config");
2550 int clientportcount = 0, serverportcount = 0;
2552 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
2554 ConfValue("bind","port",count,configToken,&config_f);
2555 ConfValue("bind","address",count,Addr,&config_f);
2556 ConfValue("bind","type",count,Type,&config_f);
2557 if (!strcmp(Type,"servers"))
2559 char Default[MAXBUF];
2560 strcpy(Default,"no");
2561 ConfValue("bind","default",count,Default,&config_f);
2562 if (strchr(Default,'y'))
2564 defaultRoute = serverportcount;
2565 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
2567 me[serverportcount] = new serverrec(ServerName,100L,false);
2568 if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
2570 log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
2571 printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
2580 ports[clientportcount] = atoi(configToken);
2581 strlcpy(addrs[clientportcount],Addr,256);
2584 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
2586 portCount = clientportcount;
2587 SERVERportCount = serverportcount;
2589 log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)SERVERportCount);
2590 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
2594 /* BugFix By Craig! :p */
2596 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
2598 ConfValue("module","name",count,configToken,&config_f);
2599 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
2600 if (!LoadModule(configToken))
2602 log(DEFAULT,"Exiting due to a module loader error.");
2603 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
2607 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
2609 startup_time = time(NULL);
2612 ConfValue("pid","file",0,PID,&config_f);
2613 // write once here, to try it out and make sure its ok
2616 /* setup select call */
2618 FD_ZERO(&selectFds);
2620 log(DEBUG,"InspIRCd: startup: zero selects");
2621 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
2623 for (count = 0; count < portCount; count++)
2625 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
2627 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
2630 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
2632 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
2634 else /* well we at least bound to one socket so we'll continue */
2640 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
2642 /* if we didn't bind to anything then abort */
2643 if (boundPortCount == 0)
2645 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
2646 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
2651 printf("\nInspIRCd is now running!\n");
2655 log(VERBOSE,"Not forking as -nofork was specified");
2659 if (DaemonSeed() == ERROR)
2661 log(DEFAULT,"InspIRCd: startup: can't daemonise");
2662 printf("ERROR: could not go into daemon mode. Shutting down.\n");
2667 // BUGFIX: We cannot initialize this before forking, as the kqueue data is not inherited by child processes!
2672 if ((kq == -1) || (lkq == -1) || (skq == -1))
2674 log(DEFAULT,"main: kqueue() failed!");
2675 printf("ERROR: could not initialise kqueue event system. Shutting down.\n");
2681 ep = epoll_create(MAXCLIENTS);
2682 lep = epoll_create(32);
2683 sep = epoll_create(128);
2684 if ((ep == -1) || (lep == -1) || (sep == -1))
2686 log(DEFAULT,"main: epoll_create() failed!");
2687 printf("ERROR: could not initialise epoll event system. Shutting down.\n");
2693 log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount);
2694 for (count = 0; count < boundPortCount; count++)
2696 struct epoll_event ev;
2697 log(DEBUG,"epoll: Add listening socket to events, ep=%d socket=%d",lep,openSockfd[count]);
2698 ev.events = EPOLLIN | EPOLLET;
2699 ev.data.fd = openSockfd[count];
2700 int i = epoll_ctl(lep, EPOLL_CTL_ADD, openSockfd[count], &ev);
2703 log(DEFAULT,"main: add listen ports, epoll_ctl failed!");
2704 printf("ERROR: could not initialise listening sockets in epoll list. Shutting down.\n");
2709 for (int t = 0; t != SERVERportCount; t++)
2711 struct epoll_event ev;
2712 log(DEBUG,"epoll: Add listening server socket to events, ep=%d socket=%d",sep,me[t]->fd);
2713 ev.events = EPOLLIN | EPOLLET;
2714 ev.data.fd = me[t]->fd;
2715 int i = epoll_ctl(sep, EPOLL_CTL_ADD, me[t]->fd, &ev);
2718 log(DEFAULT,"main: add server listen ports, epoll_ctl failed!");
2719 printf("ERROR: could not initialise server listening sockets in epoll list. Shutting down.\n");
2725 log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
2726 for (count = 0; count < boundPortCount; count++)
2729 log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]);
2730 EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
2731 int i = kevent(lkq, &ke, 1, 0, 0, NULL);
2734 log(DEFAULT,"main: add listen ports to kqueue failed!");
2735 printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n");
2739 for (int t = 0; t != SERVERportCount; t++)
2744 log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd);
2745 EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
2746 int i = kevent(skq, &ke, 1, 0, 0, NULL);
2749 log(DEFAULT,"main: add server listen ports to kqueue failed!");
2750 printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n");
2758 log(DEFAULT,"Using standard select socket engine.");
2764 length = sizeof (client);
2765 char tcp_msg[MAXBUF],tcp_host[MAXBUF],tcp_sum[MAXBUF];
2769 struct kevent ke_list[33];
2773 struct epoll_event event[33];
2777 tvs.tv_usec = 10000L;
2780 tv.tv_usec = 10000L;
2784 tval.tv_usec = 10000L;
2786 int total_in_this_set = 0;
2787 int i = 0, v = 0, j = 0, cycle_iter = 0;
2788 bool expire_run = false;
2790 /* main loop, this never returns */
2793 #ifdef _POSIX_PRIORITY_SCHEDULING
2799 // we only read time() once per iteration rather than tons of times!
2805 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
2806 // them in a list, then reap the list every second or so.
2807 if (((TIME % 5) == 0) && (!expire_run))
2810 FOREACH_MOD OnBackgroundTimer(TIME);
2814 if ((TIME % 5) == 1)
2817 // fix by brain - this must be below any manipulation of the hashmap by modules
2818 user_hash::iterator count2 = clientlist.begin();
2821 i = epoll_wait(sep, event, 1, EP_DELAY);
2824 log(DEBUG,"epoll: Listening server socket event, i=%d, event.data.fd=%d",i,event[0].data.fd);
2825 for (int x = 0; x != SERVERportCount; x++)
2827 if ((me[x]) && (event[0].data.fd == me[x]->fd))
2832 ts.tv_nsec = 30000L;
2833 i = kevent(skq, NULL, 0, &ke, 1, &ts);
2836 log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident);
2837 for (int x = 0; x != SERVERportCount; x++)
2839 if ((me[x]) && (ke.ident == me[x]->fd))
2844 FD_ZERO(&serverfds);
2845 for (int x = 0; x != SERVERportCount; x++)
2848 FD_SET(me[x]->fd, &serverfds);
2850 tvs.tv_usec = 30000L;
2852 int servresult = select(FD_SETSIZE, &serverfds, NULL, NULL, &tvs);
2855 for (int x = 0; x != SERVERportCount; x++)
2857 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
2860 char remotehost[MAXBUF],resolved[MAXBUF];
2861 length = sizeof (client);
2862 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
2863 if (incomingSockfd != -1)
2865 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
2866 if(CleanAndResolve(resolved, remotehost) != TRUE)
2868 strlcpy(resolved,remotehost,MAXBUF);
2870 // add to this connections ircd_connector vector
2871 // *FIX* - we need the LOCAL port not the remote port in &client!
2872 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
2878 std::deque<std::string> msgs;
2879 std::deque<std::string> sums;
2880 for (int x = 0; x < SERVERportCount; x++)
2883 me[x]->FlushWriteBuffers();
2886 while ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums))) // returns 0 or more lines (can be multiple lines!)
2888 for (int ctr = 0; ctr < msgs.size(); ctr++)
2890 strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
2891 strlcpy(tcp_sum,msgs[ctr].c_str(),MAXBUF);
2892 log(DEBUG,"Processing: %s",tcp_msg);
2895 log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
2898 // during a netburst, send all data to all other linked servers
2899 if ((((nb_start>0) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
2901 if (is_uline(tcp_host))
2903 if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
2905 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2909 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2911 std::string msg = tcp_msg;
2912 FOREACH_MOD OnPacketReceive(msg,tcp_host);
2913 strlcpy(tcp_msg,msg.c_str(),MAXBUF);
2915 handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
2917 sums.clear(); // we're done, clear the list for the next operation
2922 while (count2 != clientlist.end())
2928 total_in_this_set = 0;
2930 user_hash::iterator xcount = count2;
2931 user_hash::iterator endingiter = count2;
2933 if (count2 == clientlist.end()) break;
2935 userrec* curr = NULL;
2938 curr = count2->second;
2940 if ((long)curr == -1)
2943 if ((curr) && (curr->fd != 0))
2945 #ifdef _POSIX_PRIORITY_SCHEDULING
2948 // assemble up to 64 sockets into an fd_set
2949 // to implement a pooling mechanism.
2951 // This should be up to 64x faster than the
2952 // old implementation.
2954 while (total_in_this_set < 1024)
2956 if (count2 != clientlist.end())
2958 curr = count2->second;
2959 if ((long)curr == -1)
2961 int currfd = curr->fd;
2962 // we don't check the state of remote users.
2963 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
2965 curr->FlushWriteBuf();
2966 if (curr->GetWriteError() != "")
2968 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
2969 kill_link(curr,curr->GetWriteError().c_str());
2973 FD_SET (curr->fd, &sfd);
2975 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
2976 // their connection class.
2977 if ((TIME > curr->timeout) && (curr->registered != 7))
2979 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
2980 kill_link(curr,"Registration timeout");
2983 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
2985 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
2986 curr->dns_done = true;
2988 FullConnectUser(curr);
2989 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2992 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
2994 log(DEBUG,"dns done, registered=3, and modules ready, OK");
2995 FullConnectUser(curr);
2996 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2999 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
3001 if ((!curr->lastping) && (curr->registered == 7))
3003 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
3004 kill_link(curr,"Ping timeout");
3007 Write(curr->fd,"PING :%s",ServerName);
3008 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
3010 curr->nping = TIME+curr->pingmax; // was hard coded to 120
3014 total_in_this_set++;
3018 endingiter = count2;
3019 count2 = xcount; // roll back to where we were
3021 // KQUEUE and EPOLL: We don't go through a loop to fill the fd_set so instead we must manually do this loop every now and again.
3022 // TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
3024 if (cycle_iter > 20) while (count2 != clientlist.end())
3027 if (count2 != clientlist.end())
3029 curr = count2->second;
3030 if ((long)curr == -1)
3032 int currfd = curr->fd;
3033 // we don't check the state of remote users.
3034 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
3037 curr->FlushWriteBuf();
3038 if (curr->GetWriteError() != "")
3040 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
3041 kill_link(curr,curr->GetWriteError().c_str());
3045 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3046 // their connection class.
3047 if ((TIME > curr->timeout) && (curr->registered != 7))
3049 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
3050 kill_link(curr,"Registration timeout");
3054 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3056 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
3057 curr->dns_done = true;
3059 FullConnectUser(curr);
3060 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3063 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3065 log(DEBUG,"dns done, registered=3, and modules ready, OK");
3066 FullConnectUser(curr);
3067 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3070 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
3072 if ((!curr->lastping) && (curr->registered == 7))
3074 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
3075 kill_link(curr,"Ping timeout");
3078 Write(curr->fd,"PING :%s",ServerName);
3079 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
3081 curr->nping = TIME+curr->pingmax; // was hard coded to 120
3088 // increment the counter right to the end of the list, as kqueue processes everything in one go
3093 int i = epoll_wait(ep, event, 1, 5);
3096 log(DEBUG,"epoll_wait call: ep=%d, i=%d",ep,i);
3097 // EPOLL: we asked epoll_wait for ONE fd which is ready. Do something.
3098 userrec* cu = fd_ref_table[event[0].data.fd];
3103 // for now, we only read 1 event. We could read soooo many more :)
3104 int i = kevent(kq, NULL, 0, &ke, 1, &ts);
3107 log(DEBUG,"kevent call: kq=%d, i=%d",kq,i);
3108 // KQUEUE: kevent gives us ONE fd which is ready to have something done to it. Do something to it.
3109 userrec* cu = fd_ref_table[ke.ident];
3113 tval.tv_usec = 1000L;
3114 selectResult2 = select(FD_SETSIZE, &sfd, NULL, NULL, &tval);
3115 // now loop through all of the items in this pool if any are waiting
3116 if ((selectResult2 > 0) && (xcount != clientlist.end()))
3117 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
3119 // SELECT: we have to iterate...
3120 if (count2a == clientlist.end())
3122 userrec* cu = count2a->second;
3125 #ifdef _POSIX_PRIORITY_SCHEDULING
3130 // EPOLL: We already know we have a valid FD. No checks needed.
3131 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3134 // KQUEUE: We already know we have a valid FD. No checks needed.
3135 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3138 // SELECT: We don't know if our FD is valid.
3139 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
3142 log(DEBUG,"Data waiting on socket %d",cu->fd);
3145 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
3148 result = cu->ReadData(data, 65535);
3150 else result = result2;
3151 log(DEBUG,"Read result: %d",result);
3154 statsRecv += result;
3155 // perform a check on the raw buffer as an array (not a string!) to remove
3156 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
3157 // hopefully this should stop even more people whining about "Unknown command: *"
3158 for (int checker = 0; checker < result; checker++)
3160 if ((data[checker] == 0) || (data[checker] == 7))
3161 data[checker] = ' ';
3164 data[result] = '\0';
3165 userrec* current = cu;
3166 int currfd = current->fd;
3168 // add the data to the users buffer
3170 if (!current->AddBuffer(data))
3172 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
3173 if (current->registered == 7)
3175 kill_link(current,"RecvQ exceeded");
3179 WriteOpers("*** Excess flood from %s",current->ip);
3180 log(DEFAULT,"Excess flood from: %s",current->ip);
3181 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3186 if (current->recvq.length() > NetBufferSize)
3188 if (current->registered == 7)
3190 kill_link(current,"RecvQ exceeded");
3194 WriteOpers("*** Excess flood from %s",current->ip);
3195 log(DEFAULT,"Excess flood from: %s",current->ip);
3196 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3201 // while there are complete lines to process...
3202 while (current->BufferIsReady())
3205 if (TIME > current->reset_due)
3207 current->reset_due = TIME + current->threshold;
3208 current->lines_in = 0;
3210 current->lines_in++;
3211 if (current->lines_in > current->flood)
3213 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3214 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3215 kill_link(current,"Excess flood");
3218 if ((floodlines > current->flood) && (current->flood != 0))
3220 if (current->registered == 7)
3222 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3223 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3224 kill_link(current,"Excess flood");
3228 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3233 char sanitized[MAXBUF];
3234 // use GetBuffer to copy single lines into the sanitized string
3235 std::string single_line = current->GetBuffer();
3236 current->bytes_in += single_line.length();
3238 if (single_line.length()>512)
3240 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3241 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3242 kill_link(current,"Excess flood");
3245 strlcpy(sanitized,single_line.c_str(),MAXBUF);
3248 userrec* old_comp = fd_ref_table[currfd];
3249 // we're gonna re-scan to check if the nick is gone, after every
3250 // command - if it has, we're gonna bail
3251 process_buffer(sanitized,current);
3252 // look for the user's record in case it's changed... if theyve quit,
3253 // we cant do anything more with their buffer, so bail.
3254 // there used to be an ugly, slow loop here. Now we have a reference
3255 // table, life is much easier (and FASTER)
3256 userrec* new_comp = fd_ref_table[currfd];
3257 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
3265 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
3267 log(DEBUG,"killing: %s",cu->nick);
3268 kill_link(cu,strerror(errno));
3272 // result EAGAIN means nothing read
3273 if (result == EAGAIN)
3283 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
3284 kill_link(cu,"Client exited");
3285 // must bail here? kill_link removes the hash, corrupting the iterator
3286 log(DEBUG,"Bailing from client exit");
3292 else if (result > 0)
3297 for (int q = 0; q < total_in_this_set; q++)
3303 #ifdef _POSIX_PRIORITY_SCHEDULING
3308 // set up select call
3309 for (count = 0; count < boundPortCount; count++)
3311 FD_SET (openSockfd[count], &selectFds);
3314 tv.tv_usec = 30000L;
3315 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
3317 /* select is reporting a waiting socket. Poll them all to find out which */
3318 if (selectResult > 0)
3320 for (count = 0; count < boundPortCount; count++)
3322 if (FD_ISSET (openSockfd[count], &selectFds))
3327 ts.tv_nsec = 30000L;
3328 i = kevent(lkq, NULL, 0, ke_list, 32, &ts);
3329 if (i > 0) for (j = 0; j < i; j++)
3331 log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke_list[j].ident);
3332 // this isnt as efficient as it could be, we could create a reference table
3333 // to reference bound ports by fd, but this isnt a big bottleneck as the actual
3334 // number of listening ports on the average ircd is a small number (less than 20)
3335 // compared to the number of clients (possibly over 2000)
3336 for (count = 0; count < boundPortCount; count++)
3338 if (ke_list[j].ident == openSockfd[count])
3342 i = epoll_wait(lep, event, 32, EP_DELAY);
3343 if (i > 0) for (j = 0; j < i; j++)
3345 log(DEBUG,"epoll: Listening socket event, i=%d,events[j].data.fd=%d",i,event[j].data.fd);
3346 for (count = 0; count < boundPortCount; count++)
3348 if (event[j].data.fd == openSockfd[count])
3351 char target[MAXBUF], resolved[MAXBUF];
3352 length = sizeof (client);
3353 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
3355 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
3356 strlcpy (resolved, target, MAXBUF);
3358 if (incomingSockfd < 0)
3360 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
3361 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
3366 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
3368 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
3369 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
3376 #ifdef _POSIX_PRIORITY_SCHEDULING
3382 close (incomingSockfd);