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! ;) */
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>
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 bool has_been_netsplit = false;
123 extern std::vector<std::string> include_stack;
125 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
126 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
127 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
128 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
129 typedef std::deque<command_t> command_table;
130 typedef std::map<std::string,time_t> autoconnects;
131 typedef std::vector<std::string> servernamelist;
133 // This table references users by file descriptor.
134 // its an array to make it VERY fast, as all lookups are referenced
135 // by an integer, meaning there is no need for a scan/search operation.
136 userrec* fd_ref_table[65536];
138 int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
144 user_hash clientlist;
147 command_table cmdlist;
148 autoconnects autoconns;
154 servernamelist servernames;
156 struct linger linger = { 0 };
157 char MyExecutable[1024];
158 int boundPortCount = 0;
159 int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
160 int defaultRoute = 0;
161 char ModPath[MAXBUF];
165 int has_channel(userrec *u, chanrec *c);
166 int usercount(chanrec *c);
167 int usercount_i(chanrec *c);
168 char* Passwd(userrec *user);
169 bool IsDenied(userrec *user);
170 void AddWhoWas(userrec* u);
172 std::vector<long> auth_cookies;
173 std::stringstream config_f(stringstream::in | stringstream::out);
175 std::vector<userrec*> all_opers;
179 void AddOper(userrec* user)
181 log(DEBUG,"Oper added to optimization list");
182 all_opers.push_back(user);
185 void AddServerName(std::string servername)
187 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
189 if (*a == servername)
192 servernames.push_back(servername);
195 const char* FindServerNamePtr(std::string servername)
197 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
199 if (*a == servername)
205 void DeleteOper(userrec* user)
207 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
211 log(DEBUG,"Oper removed from optimization list");
218 std::string GetRevision()
220 char Revision[] = "$Revision$";
223 char *v2 = strtok_r(s1," ",&savept);
225 v2 = strtok_r(s1," ",&savept);
227 return std::string(v2);
231 std::string getservername()
236 std::string getserverdesc()
241 std::string getnetworkname()
246 std::string getadminname()
251 std::string getadminemail()
256 std::string getadminnick()
261 void ReadConfig(bool bail, userrec* user)
263 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
264 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF];
266 std::stringstream errstr;
267 include_stack.clear();
269 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
274 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
282 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
283 while (!errstr.eof())
285 errstr.getline(dataline,1024);
286 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
291 WriteOpers("There were errors in the configuration file:",user->nick);
292 while (!errstr.eof())
294 errstr.getline(dataline,1024);
295 WriteOpers(dataline);
302 ConfValue("server","name",0,ServerName,&config_f);
303 ConfValue("server","description",0,ServerDesc,&config_f);
304 ConfValue("server","network",0,Network,&config_f);
305 ConfValue("admin","name",0,AdminName,&config_f);
306 ConfValue("admin","email",0,AdminEmail,&config_f);
307 ConfValue("admin","nick",0,AdminNick,&config_f);
308 ConfValue("files","motd",0,motd,&config_f);
309 ConfValue("files","rules",0,rules,&config_f);
310 ConfValue("power","diepass",0,diepass,&config_f);
311 ConfValue("power","pause",0,pauseval,&config_f);
312 ConfValue("power","restartpass",0,restartpass,&config_f);
313 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
314 ConfValue("die","value",0,DieValue,&config_f);
315 ConfValue("options","loglevel",0,dbg,&config_f);
316 ConfValue("options","netbuffersize",0,NB,&config_f);
317 ConfValue("options","maxwho",0,MW,&config_f);
318 ConfValue("options","allowhalfop",0,AH,&config_f);
319 ConfValue("options","allowprotect",0,AP,&config_f);
320 ConfValue("options","allowfounder",0,AF,&config_f);
321 ConfValue("dns","server",0,DNSServer,&config_f);
322 ConfValue("dns","timeout",0,DNT,&config_f);
323 ConfValue("options","moduledir",0,ModPath,&config_f);
324 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
325 ConfValue("options","somaxconn",0,MCON,&config_f);
327 MaxConn = atoi(MCON);
328 if (MaxConn > SOMAXCONN)
329 log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
330 NetBufferSize = atoi(NB);
331 MaxWhoResults = atoi(MW);
332 dns_timeout = atoi(DNT);
338 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
340 strlcpy(ModPath,MOD_PATH,MAXBUF);
341 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
342 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
343 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
344 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
346 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
347 NetBufferSize = 10240;
349 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
351 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
354 if (!strcmp(dbg,"debug"))
356 if (!strcmp(dbg,"verbose"))
358 if (!strcmp(dbg,"default"))
360 if (!strcmp(dbg,"sparse"))
362 if (!strcmp(dbg,"none"))
365 log(DEFAULT,"Reading message of the day...");
366 readfile(RULES,rules);
367 log(DEFAULT,"Reading connect classes...");
369 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
372 ConfValue("connect","allow",i,Value,&config_f);
373 ConfValue("connect","timeout",i,timeout,&config_f);
374 ConfValue("connect","flood",i,flood,&config_f);
375 ConfValue("connect","pingfreq",i,pfreq,&config_f);
376 ConfValue("connect","threshold",i,thold,&config_f);
377 ConfValue("connect","sendq",i,sqmax,&config_f);
378 ConfValue("connect","recvq",i,rqmax,&config_f);
381 strlcpy(c.host,Value,MAXBUF);
383 strlcpy(Value,"",MAXBUF);
384 ConfValue("connect","password",i,Value,&config_f);
385 strlcpy(c.pass,Value,MAXBUF);
386 c.registration_timeout = 90; // default is 2 minutes
388 c.flood = atoi(flood);
390 c.sendqmax = 262144; // 256k
391 c.recvqmax = 4096; // 4k
394 c.threshold = atoi(thold);
398 c.sendqmax = atoi(sqmax);
402 c.recvqmax = atoi(rqmax);
406 c.registration_timeout = atoi(timeout);
410 c.pingtime = atoi(pfreq);
412 Classes.push_back(c);
413 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);
417 ConfValue("connect","deny",i,Value,&config_f);
418 strlcpy(c.host,Value,MAXBUF);
420 Classes.push_back(c);
421 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
425 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
426 read_xline_defaults();
427 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
431 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
433 char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
434 ConfValue("link","name",i,Link_ServerName,&config_f);
435 ConfValue("link","autoconnect",i,Link_AConn,&config_f);
436 if (strcmp(Link_AConn,""))
438 autoconns[std::string(Link_ServerName)] = atoi(Link_AConn) + time(NULL);
443 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
446 log(DEFAULT,"Adding and removing modules due to rehash...");
448 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
450 // store the old module names
451 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
453 old_module_names.push_back(*t);
456 // get the new module names
457 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
459 ConfValue("module","name",count2,Value,&config_f);
460 new_module_names.push_back(Value);
463 // now create a list of new modules that are due to be loaded
464 // and a seperate list of modules which are due to be unloaded
465 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
468 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
474 added_modules.push_back(*_new);
476 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
479 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
485 removed_modules.push_back(*oldm);
487 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
489 int rem = 0, add = 0;
490 if (!removed_modules.empty())
491 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
493 if (UnloadModule(removing->c_str()))
495 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
496 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
501 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
504 if (!added_modules.empty())
505 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
507 if (LoadModule(adding->c_str()))
509 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
510 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
515 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
518 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());
523 /* add a channel to a user, creating the record for it if needed and linking
524 * it to the user record */
526 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
528 if ((!user) || (!cn))
530 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
538 strncpy(cname,cn,MAXBUF);
540 // we MUST declare this wherever we use FOREACH_RESULT
543 if (strlen(cname) > CHANMAX)
545 cname[CHANMAX] = '\0';
548 log(DEBUG,"add_channel: %s %s",user->nick,cname);
550 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
552 return NULL; // already on the channel!
556 if (!FindChan(cname))
559 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
560 if (MOD_RESULT == 1) {
564 /* create a new one */
565 log(DEBUG,"add_channel: creating: %s",cname);
567 chanlist[cname] = new chanrec();
569 strlcpy(chanlist[cname]->name, cname,CHANMAX);
570 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
571 chanlist[cname]->created = TIME;
572 strcpy(chanlist[cname]->topic, "");
573 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
574 chanlist[cname]->topicset = 0;
575 Ptr = chanlist[cname];
576 log(DEBUG,"add_channel: created: %s",cname);
577 /* set created to 2 to indicate user
578 * is the first in the channel
579 * and should be given ops */
585 /* channel exists, just fish out a pointer to its struct */
586 Ptr = FindChan(cname);
589 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
591 // the override flag allows us to bypass channel modes
592 // and bans (used by servers)
593 if ((!override) || (!strcasecmp(user->server,ServerName)))
595 log(DEBUG,"Not overriding...");
597 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
598 if (MOD_RESULT == 1) {
601 log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
605 log(DEBUG,"add_channel: checking key, invite, etc");
607 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
612 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
615 log(DEBUG,"add_channel: no key given in JOIN");
616 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
621 if (strcasecmp(key,Ptr->key))
623 log(DEBUG,"add_channel: bad key given in JOIN");
624 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
629 log(DEBUG,"add_channel: no key");
632 FOREACH_RESULT(OnCheckInvite(user, Ptr));
635 if (Ptr->binarymodes & CM_INVITEONLY)
637 log(DEBUG,"add_channel: channel is +i");
638 if (user->IsInvited(Ptr->name))
640 /* user was invited to channel */
641 /* there may be an optional channel NOTICE here */
645 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
649 log(DEBUG,"add_channel: channel is not +i");
652 FOREACH_RESULT(OnCheckLimit(user, Ptr));
657 if (usercount(Ptr) >= Ptr->limit)
659 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
664 log(DEBUG,"add_channel: about to walk banlist");
666 FOREACH_RESULT(OnCheckBan(user, Ptr));
669 /* check user against the channel banlist */
672 if (Ptr->bans.size())
674 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
676 if (match(user->GetFullHost(),i->data))
678 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
684 log(DEBUG,"add_channel: bans checked");
692 user->RemoveInvite(Ptr->name);
695 log(DEBUG,"add_channel: invites removed");
700 log(DEBUG,"Overridden checks");
708 log(DEBUG,"Passed channel checks");
710 for (int index =0; index != MAXCHANS; index++)
712 log(DEBUG,"Check location %d",index);
713 if (user->chans[index].channel == NULL)
715 log(DEBUG,"Adding into their channel list at location %d",index);
719 /* first user in is given ops */
720 user->chans[index].uc_modes = UCMODE_OP;
724 user->chans[index].uc_modes = 0;
726 user->chans[index].channel = Ptr;
727 Ptr->AddUser((char*)user);
728 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
730 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
732 // use the stamdard J token with no privilages.
736 snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
740 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
742 NetSendToAll(buffer);
745 log(DEBUG,"Sent JOIN to client");
749 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
750 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
753 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
754 //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
755 //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
756 FOREACH_MOD OnUserJoin(user,Ptr);
760 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
761 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
765 /* remove a channel from a users record, and remove the record from memory
766 * if the channel has become empty */
768 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
770 if ((!user) || (!cname))
772 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
778 if ((!cname) || (!user))
783 Ptr = FindChan(cname);
790 FOREACH_MOD OnUserPart(user,Ptr);
791 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
793 for (int i =0; i != MAXCHANS; i++)
795 /* zap it from the channel list of the user */
796 if (user->chans[i].channel == Ptr)
800 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
805 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
806 NetSendToAll(buffer);
816 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
817 NetSendToAll(buffer);
820 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
822 user->chans[i].uc_modes = 0;
823 user->chans[i].channel = NULL;
824 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
829 Ptr->DelUser((char*)user);
831 /* if there are no users left on the channel */
834 chan_hash::iterator iter = chanlist.find(Ptr->name);
836 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
838 /* kill the record */
839 if (iter != chanlist.end())
841 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
843 chanlist.erase(iter);
849 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
851 if ((!src) || (!user) || (!Ptr) || (!reason))
853 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
857 if ((!Ptr) || (!user) || (!src))
862 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
864 if (!has_channel(user,Ptr))
866 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
871 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
872 if (MOD_RESULT == ACR_DENY)
875 if (MOD_RESULT == ACR_DEFAULT)
877 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
879 if (cstatus(src,Ptr) == STATUS_HOP)
881 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
885 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
893 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
897 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
899 for (int i =0; i != MAXCHANS; i++)
901 /* zap it from the channel list of the user */
902 if (user->chans[i].channel)
903 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
905 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
906 user->chans[i].uc_modes = 0;
907 user->chans[i].channel = NULL;
908 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
913 Ptr->DelUser((char*)user);
915 /* if there are no users left on the channel */
918 chan_hash::iterator iter = chanlist.find(Ptr->name);
920 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
922 /* kill the record */
923 if (iter != chanlist.end())
925 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
927 chanlist.erase(iter);
935 /* This function pokes and hacks at a parameter list like the following:
937 * PART #winbot,#darkgalaxy :m00!
939 * to turn it into a series of individual calls like this:
942 * PART #darkgalaxy :m00!
944 * The seperate calls are sent to a callback function provided by the caller
945 * (the caller will usually call itself recursively). The callback function
946 * must be a command handler. Calling this function on a line with no list causes
947 * no action to be taken. You must provide a starting and ending parameter number
948 * where the range of the list can be found, useful if you have a terminating
949 * parameter as above which is actually not part of the list, or parameters
950 * before the actual list as well. This code is used by many functions which
951 * can function as "one to list" (see the RFC) */
953 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
958 char blog[32][MAXBUF];
959 char blog2[32][MAXBUF];
960 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
964 for (int i = 0; i <32; i++)
967 for (int i = 0; i <32; i++)
971 for (int i = 0; i <10; i++)
980 if (pcnt > 1) /* we have a key to copy */
982 strlcpy(keystr,parameters[1],MAXBUF);
986 if (!parameters[start])
990 if (!strchr(parameters[start],','))
995 for (int i = start; i <= end; i++)
999 strlcat(plist,parameters[i],MAXBUF);
1007 for (int i = 0; i < t; i++)
1009 if (plist[i] == ',')
1012 strlcpy(blog[j++],param,MAXBUF);
1016 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
1021 strlcpy(blog[j++],param,MAXBUF);
1024 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
1029 if ((joins) && (keystr))
1031 if (strchr(keystr,','))
1035 t2 = strlen(keystr);
1036 for (int i = 0; i < t2; i++)
1038 if (keystr[i] == ',')
1041 strlcpy(blog2[j++],param,MAXBUF);
1045 strlcpy(blog2[j++],param,MAXBUF);
1050 for (j = 0; j < total; j++)
1056 for (q = end; q < pcnt-1; q++)
1058 if (parameters[q+1])
1060 pars[q-end+1] = parameters[q+1];
1063 if ((joins) && (parameters[1]))
1074 /* repeatedly call the function with the hacked parameter list */
1075 if ((joins) && (pcnt > 1))
1079 // pars[1] already set up and containing key from blog2[j]
1084 pars[1] = parameters[1];
1090 fn(pars,pcnt-(end-start),u);
1099 void kill_link(userrec *user,const char* r)
1101 user_hash::iterator iter = clientlist.find(user->nick);
1103 char reason[MAXBUF];
1105 strncpy(reason,r,MAXBUF);
1107 if (strlen(reason)>MAXQUIT)
1109 reason[MAXQUIT-1] = '\0';
1112 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1113 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1114 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1116 if (user->registered == 7) {
1117 FOREACH_MOD OnUserQuit(user);
1118 WriteCommonExcept(user,"QUIT :%s",reason);
1120 // Q token must go to ALL servers!!!
1121 char buffer[MAXBUF];
1122 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1123 NetSendToAll(buffer);
1126 user->FlushWriteBuf();
1128 FOREACH_MOD OnUserDisconnect(user);
1132 FOREACH_MOD OnRawSocketClose(user->fd);
1135 EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
1136 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1139 log(DEBUG,"kqueue: Failed to remove user from queue!");
1143 struct epoll_event ev;
1144 ev.events = EPOLLIN | EPOLLET;
1145 ev.data.fd = user->fd;
1146 int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
1149 log(DEBUG,"epoll: List deletion failure!");
1152 user->CloseSocket();
1155 // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
1156 // if they were an oper with +s.
1157 if (user->registered == 7) {
1158 purge_empty_chans(user);
1159 // fix by brain: only show local quits because we only show local connects (it just makes SENSE)
1160 if (!strcmp(user->server,ServerName))
1161 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1165 if (iter != clientlist.end())
1167 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1169 fd_ref_table[user->fd] = NULL;
1170 clientlist.erase(iter);
1175 void kill_link_silent(userrec *user,const char* r)
1177 user_hash::iterator iter = clientlist.find(user->nick);
1179 char reason[MAXBUF];
1181 strncpy(reason,r,MAXBUF);
1183 if (strlen(reason)>MAXQUIT)
1185 reason[MAXQUIT-1] = '\0';
1188 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1189 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1190 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1192 user->FlushWriteBuf();
1194 if (user->registered == 7) {
1195 FOREACH_MOD OnUserQuit(user);
1196 WriteCommonExcept(user,"QUIT :%s",reason);
1198 // Q token must go to ALL servers!!!
1199 char buffer[MAXBUF];
1200 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1201 NetSendToAll(buffer);
1204 FOREACH_MOD OnUserDisconnect(user);
1208 FOREACH_MOD OnRawSocketClose(user->fd);
1211 EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
1212 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1215 log(DEBUG,"kqueue: Failed to remove user from queue!");
1219 struct epoll_event ev;
1220 ev.events = EPOLLIN | EPOLLET;
1221 ev.data.fd = user->fd;
1222 int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
1225 log(DEBUG,"epoll: List deletion failure!");
1228 user->CloseSocket();
1231 if (user->registered == 7) {
1232 purge_empty_chans(user);
1235 if (iter != clientlist.end())
1237 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1239 fd_ref_table[user->fd] = NULL;
1240 clientlist.erase(iter);
1246 int main(int argc, char** argv)
1250 log(DEBUG,"*** InspIRCd starting up!");
1251 if (!FileExists(CONFIG_FILE))
1253 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
1254 log(DEFAULT,"main: no config");
1255 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
1259 for (int i = 1; i < argc; i++)
1261 if (!strcmp(argv[i],"-nofork")) {
1264 if (!strcmp(argv[i],"-wait")) {
1267 if (!strcmp(argv[i],"-nolimit")) {
1272 strlcpy(MyExecutable,argv[0],MAXBUF);
1274 // initialize the lowercase mapping table
1275 for (int cn = 0; cn < 256; cn++)
1277 // lowercase the uppercase chars
1278 for (int cn = 65; cn < 91; cn++)
1279 lowermap[cn] = tolower(cn);
1280 // now replace the specific chars for scandanavian comparison
1281 lowermap['['] = '{';
1282 lowermap[']'] = '}';
1283 lowermap['\\'] = '|';
1285 if (InspIRCd(argv,argc) == ERROR)
1287 log(DEFAULT,"main: daemon function bailed");
1288 printf("ERROR: could not initialise. Shutting down.\n");
1295 template<typename T> inline string ConvToStr(const T &in)
1298 if (!(tmp << in)) return string();
1302 /* re-allocates a nick in the user_hash after they change nicknames,
1303 * returns a pointer to the new user as it may have moved */
1305 userrec* ReHashNick(char* Old, char* New)
1307 //user_hash::iterator newnick;
1308 user_hash::iterator oldnick = clientlist.find(Old);
1310 log(DEBUG,"ReHashNick: %s %s",Old,New);
1312 if (!strcasecmp(Old,New))
1314 log(DEBUG,"old nick is new nick, skipping");
1315 return oldnick->second;
1318 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
1320 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
1322 userrec* olduser = oldnick->second;
1323 clientlist[New] = olduser;
1324 clientlist.erase(oldnick);
1326 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
1328 return clientlist[New];
1331 /* adds or updates an entry in the whowas list */
1332 void AddWhoWas(userrec* u)
1334 whowas_hash::iterator iter = whowas.find(u->nick);
1335 WhoWasUser *a = new WhoWasUser();
1336 strlcpy(a->nick,u->nick,NICKMAX);
1337 strlcpy(a->ident,u->ident,IDENTMAX);
1338 strlcpy(a->dhost,u->dhost,160);
1339 strlcpy(a->host,u->host,160);
1340 strlcpy(a->fullname,u->fullname,MAXGECOS);
1341 strlcpy(a->server,u->server,256);
1342 a->signon = u->signon;
1344 /* MAX_WHOWAS: max number of /WHOWAS items
1345 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
1346 * can be replaced by a newer one
1349 if (iter == whowas.end())
1351 if (whowas.size() >= WHOWAS_MAX)
1353 for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
1355 // 3600 seconds in an hour ;)
1356 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
1358 // delete the old one
1359 if (i->second) delete i->second;
1360 // replace with new one
1362 log(DEBUG,"added WHOWAS entry, purged an old record");
1366 // no space left and user doesnt exist. Don't leave ram in use!
1367 log(DEBUG,"Not able to update whowas (list at WHOWAS_MAX entries and trying to add new?), freeing excess ram");
1372 log(DEBUG,"added fresh WHOWAS entry");
1373 whowas[a->nick] = a;
1378 log(DEBUG,"updated WHOWAS entry");
1379 if (iter->second) delete iter->second;
1385 /* add a client connection to the sockets list */
1386 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
1390 user_hash::iterator iter;
1392 tempnick = ConvToStr(socket) + "-unknown";
1393 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
1395 iter = clientlist.find(tempnick);
1398 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
1399 // using one as a registered connection. As theyre per fd, we can also safely assume
1400 // that we wont have collisions. Therefore, if the nick exists in the list, its only
1401 // used by a dead socket, erase the iterator so that the new client may reclaim it.
1402 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
1403 // issue in earlier alphas/betas
1404 if (iter != clientlist.end())
1406 userrec* goner = iter->second;
1408 clientlist.erase(iter);
1412 * It is OK to access the value here this way since we know
1413 * it exists, we just created it above.
1415 * At NO other time should you access a value in a map or a
1416 * hash_map this way.
1418 clientlist[tempnick] = new userrec();
1420 NonBlocking(socket);
1421 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
1423 clientlist[tempnick]->fd = socket;
1424 strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
1425 strlcpy(clientlist[tempnick]->host, host,160);
1426 strlcpy(clientlist[tempnick]->dhost, host,160);
1427 clientlist[tempnick]->server = (char*)FindServerNamePtr(ServerName);
1428 strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
1429 clientlist[tempnick]->registered = 0;
1430 clientlist[tempnick]->signon = TIME+dns_timeout;
1431 clientlist[tempnick]->lastping = 1;
1432 clientlist[tempnick]->port = port;
1433 strlcpy(clientlist[tempnick]->ip,ip,16);
1435 // set the registration timeout for this user
1436 unsigned long class_regtimeout = 90;
1437 int class_flood = 0;
1438 long class_threshold = 5;
1439 long class_sqmax = 262144; // 256kb
1440 long class_rqmax = 4096; // 4k
1442 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1444 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
1446 class_regtimeout = (unsigned long)i->registration_timeout;
1447 class_flood = i->flood;
1448 clientlist[tempnick]->pingmax = i->pingtime;
1449 class_threshold = i->threshold;
1450 class_sqmax = i->sendqmax;
1451 class_rqmax = i->recvqmax;
1456 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
1457 clientlist[tempnick]->timeout = TIME+class_regtimeout;
1458 clientlist[tempnick]->flood = class_flood;
1459 clientlist[tempnick]->threshold = class_threshold;
1460 clientlist[tempnick]->sendqmax = class_sqmax;
1461 clientlist[tempnick]->recvqmax = class_rqmax;
1463 for (int i = 0; i < MAXCHANS; i++)
1465 clientlist[tempnick]->chans[i].channel = NULL;
1466 clientlist[tempnick]->chans[i].uc_modes = 0;
1469 if (clientlist.size() == MAXCLIENTS)
1471 kill_link(clientlist[tempnick],"No more connections allowed in this class");
1475 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1476 // its a pretty big but for the moment valid assumption:
1477 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
1478 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1479 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
1480 // which for the time being is a physical impossibility (even the largest networks dont have more
1481 // than about 10,000 users on ONE server!)
1484 kill_link(clientlist[tempnick],"Server is full");
1489 char* e = matches_exception(ip);
1492 char* r = matches_zline(ip);
1495 char reason[MAXBUF];
1496 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
1497 kill_link(clientlist[tempnick],reason);
1501 fd_ref_table[socket] = clientlist[tempnick];
1504 struct epoll_event ev;
1505 log(DEBUG,"epoll: Adduser to events, ep=%d socket=%d",ep,socket);
1506 ev.events = EPOLLIN | EPOLLET;
1507 ev.data.fd = socket;
1508 int i = epoll_ctl(ep, EPOLL_CTL_ADD, socket, &ev);
1511 log(DEBUG,"epoll: List insertion failure!");
1516 log(DEBUG,"kqueue: Add user to events, kq=%d socket=%d",kq,socket);
1517 EV_SET(&ke, socket, EVFILT_READ, EV_ADD, 0, 0, NULL);
1518 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1521 log(DEBUG,"kqueue: List insertion failure!");
1527 /* shows the message of the day, and any other on-logon stuff */
1528 void FullConnectUser(userrec* user)
1531 user->idle_lastmsg = TIME;
1532 log(DEBUG,"ConnectUser: %s",user->nick);
1534 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
1536 kill_link(user,"Invalid password");
1541 kill_link(user,"Unauthorised connection");
1545 char match_against[MAXBUF];
1546 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
1547 char* e = matches_exception(match_against);
1550 char* r = matches_gline(match_against);
1553 char reason[MAXBUF];
1554 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1555 kill_link_silent(user,reason);
1558 r = matches_kline(user->host);
1561 char reason[MAXBUF];
1562 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1563 kill_link_silent(user,reason);
1568 // fix by brain: move this below the xline checks to prevent spurious quits going onto the net that dont belong
1569 user->registered = 7;
1571 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
1572 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
1573 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
1574 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
1575 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
1576 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
1577 std::stringstream v;
1578 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
1579 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
1580 v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
1582 std::string data005 = v.str();
1583 FOREACH_MOD On005Numeric(data005);
1584 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1585 // so i'd better split it :)
1586 std::stringstream out(data005);
1587 std::string token = "";
1588 std::string line5 = "";
1589 int token_counter = 0;
1593 line5 = line5 + token + " ";
1595 if ((token_counter >= 13) || (out.eof() == true))
1597 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
1604 char buffer[MAXBUF];
1605 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);
1606 NetSendToAll(buffer);
1608 // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
1609 FOREACH_MOD OnUserConnect(user);
1610 FOREACH_MOD OnGlobalConnect(user);
1611 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
1615 /* shows the message of the day, and any other on-logon stuff */
1616 void ConnectUser(userrec *user)
1618 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
1619 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
1621 FullConnectUser(user);
1625 std::string GetVersionString()
1627 char Revision[] = "$Revision$";
1628 char versiondata[MAXBUF];
1629 char *s1 = Revision;
1631 char *v2 = strtok_r(s1," ",&savept);
1633 v2 = strtok_r(s1," ",&savept);
1636 char socketengine[] = "kqueue";
1639 char socketengine[] = "select";
1642 char socketengine[] = "epoll";
1644 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
1648 void handle_version(char **parameters, int pcnt, userrec *user)
1652 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1656 if (!strcmp(parameters[0],"*"))
1658 for (int j = 0; j < 32; j++)
1662 for (int x = 0; x < me[j]->connectors.size(); x++)
1664 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());
1670 if (match(ServerName,parameters[0]))
1672 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1675 bool displayed = false, found = false;
1676 for (int j = 0; j < 32; j++)
1680 for (int x = 0; x < me[j]->connectors.size(); x++)
1682 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1685 if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
1688 WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
1694 if ((!displayed) && (found))
1696 WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
1701 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
1708 // calls a handler function for a command
1710 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
1712 for (int i = 0; i < cmdlist.size(); i++)
1714 if (!strcasecmp(cmdlist[i].command,commandname))
1716 if (cmdlist[i].handler_function)
1718 if (pcnt>=cmdlist[i].min_params)
1720 if (strchr(user->modes,cmdlist[i].flags_needed))
1722 cmdlist[i].handler_function(parameters,pcnt,user);
1730 void DoSplitEveryone()
1732 bool go_again = true;
1736 for (int i = 0; i < 32; i++)
1740 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
1742 if (strcasecmp(j->GetServerName().c_str(),ServerName))
1745 j->CloseConnection();
1746 me[i]->connectors.erase(j);
1754 log(DEBUG,"Removed server. Will remove clients...");
1755 // iterate through the userlist and remove all users on this server.
1756 // because we're dealing with a mesh, we dont have to deal with anything
1757 // "down-route" from this server (nice huh)
1759 char reason[MAXBUF];
1763 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
1765 if (strcasecmp(u->second->server,ServerName))
1767 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
1768 kill_link(u->second,reason);
1774 has_been_netsplit = true;
1779 void force_nickchange(userrec* user,const char* newnick)
1786 FOREACH_RESULT(OnUserPreNick(user,newnick));
1789 kill_link(user,"Nickname collision");
1792 if (matches_qline(newnick))
1795 kill_link(user,"Nickname collision");
1803 strncpy(nick,newnick,MAXBUF);
1805 if (user->registered == 7)
1809 handle_nick(pars,1,user);
1815 int process_parameters(char **command_p,char *parameters)
1818 int q = strlen(parameters);
1821 /* no parameters, command_p invalid! */
1824 if (parameters[0] == ':')
1826 command_p[0] = parameters+1;
1831 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
1833 /* only one parameter */
1834 command_p[0] = parameters;
1835 if (parameters[0] == ':')
1837 if (strchr(parameters,' ') != NULL)
1845 command_p[j++] = parameters;
1846 for (int i = 0; i <= q; i++)
1848 if (parameters[i] == ' ')
1850 command_p[j++] = parameters+i+1;
1851 parameters[i] = '\0';
1852 if (command_p[j-1][0] == ':')
1854 *command_p[j-1]++; /* remove dodgy ":" */
1856 /* parameter like this marks end of the sequence */
1860 return j; /* returns total number of items in the list */
1863 void process_command(userrec *user, char* cmd)
1867 char *command_p[127];
1868 char p[MAXBUF], temp[MAXBUF];
1869 int j, items, cmd_found;
1871 for (int i = 0; i < 127; i++)
1872 command_p[i] = NULL;
1887 int total_params = 0;
1890 for (int q = 0; q < strlen(cmd)-1; q++)
1892 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
1895 // found a 'trailing', we dont count them after this.
1903 // another phidjit bug...
1904 if (total_params > 126)
1906 *(strchr(cmd,' ')) = '\0';
1907 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
1911 strlcpy(temp,cmd,MAXBUF);
1913 std::string tmp = cmd;
1914 for (int i = 0; i <= MODCOUNT; i++)
1916 std::string oldtmp = tmp;
1917 modules[i]->OnServerRaw(tmp,true,user);
1920 log(DEBUG,"A Module changed the input string!");
1921 log(DEBUG,"New string: %s",tmp.c_str());
1922 log(DEBUG,"Old string: %s",oldtmp.c_str());
1926 strlcpy(cmd,tmp.c_str(),MAXBUF);
1927 strlcpy(temp,cmd,MAXBUF);
1929 if (!strchr(cmd,' '))
1931 /* no parameters, lets skip the formalities and not chop up
1933 log(DEBUG,"About to preprocess command with no params");
1935 command_p[0] = NULL;
1937 for (int i = 0; i <= strlen(cmd); i++)
1939 cmd[i] = toupper(cmd[i]);
1947 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
1948 for (int i = 0; i < strlen(temp); i++)
1950 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
1956 /* split the full string into a command plus parameters */
1960 if (strchr(cmd,' '))
1962 for (int i = 0; i <= strlen(cmd); i++)
1964 /* capitalise the command ONLY, leave params intact */
1965 cmd[i] = toupper(cmd[i]);
1966 /* are we nearly there yet?! :P */
1970 parameters = cmd+i+1;
1978 for (int i = 0; i <= strlen(cmd); i++)
1980 cmd[i] = toupper(cmd[i]);
1987 if (strlen(command)>MAXCOMMAND)
1989 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
1993 for (int x = 0; x < strlen(command); x++)
1995 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
1997 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
1999 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
2002 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2009 for (int i = 0; i != cmdlist.size(); i++)
2011 if (cmdlist[i].command[0])
2013 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
2019 items = process_parameters(command_p,parameters);
2024 command_p[0] = NULL;
2030 command_p[0] = NULL;
2035 /* activity resets the ping pending timer */
2036 user->nping = TIME + user->pingmax;
2037 if ((items) < cmdlist[i].min_params)
2039 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
2040 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
2043 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
2045 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2046 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
2050 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
2052 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2053 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
2057 /* if the command isnt USER, PASS, or NICK, and nick is empty,
2059 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
2061 if ((!isnick(user->nick)) || (user->registered != 7))
2063 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2064 WriteServ(user->fd,"451 %s :You have not registered",command);
2068 if ((user->registered == 7) && (!strchr(user->modes,'o')))
2070 std::stringstream dcmds(DisabledCommands);
2071 while (!dcmds.eof())
2073 std::string thiscmd;
2075 if (!strcasecmp(thiscmd.c_str(),command))
2077 // command is disabled!
2078 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
2083 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
2085 if (cmdlist[i].handler_function)
2088 /* ikky /stats counters */
2091 cmdlist[i].use_count++;
2092 cmdlist[i].total_bytes+=strlen(temp);
2096 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
2097 if (MOD_RESULT == 1) {
2101 /* WARNING: nothing may come after the
2102 * command handler call, as the handler
2103 * may free the user structure! */
2105 cmdlist[i].handler_function(command_p,items,user);
2111 WriteServ(user->fd,"451 %s :You have not registered",command);
2119 if ((!cmd_found) && (user))
2122 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2126 bool removecommands(const char* source)
2128 bool go_again = true;
2132 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
2134 if (!strcmp(i->source,source))
2136 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
2147 void process_buffer(const char* cmdbuf,userrec *user)
2151 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2157 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2164 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
2166 strlcpy(cmd,cmdbuf,MAXBUF);
2171 int sl = strlen(cmd)-1;
2172 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2177 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2182 while (cmd[sl] == ' ') // strip trailing spaces
2192 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
2194 if ((user) && (cmd))
2196 process_command(user,cmd);
2200 void DoSync(serverrec* serv, char* tcp_host)
2203 log(DEBUG,"Sending sync");
2204 // send start of sync marker: Y <timestamp>
2205 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
2206 // except the ones its receiving it from.
2207 snprintf(data,MAXBUF,"%s Y %lu",CreateSum().c_str(),(unsigned long)TIME);
2208 serv->SendPacket(data,tcp_host);
2209 // send users and channels
2211 NetSendMyRoutingTable();
2213 // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
2214 for (int j = 0; j < 32; j++)
2218 for (int k = 0; k < me[j]->connectors.size(); k++)
2220 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
2222 snprintf(data,MAXBUF,"%s H %s",CreateSum().c_str(),me[j]->connectors[k].GetServerName().c_str());
2223 serv->SendPacket(data,tcp_host);
2229 // send our version for the remote side to cache
2230 snprintf(data,MAXBUF,"%s v %s %s",CreateSum().c_str(),ServerName,GetVersionString().c_str());
2231 serv->SendPacket(data,tcp_host);
2233 // sync the users and channels, give the modules a look-in.
2234 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
2236 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);
2237 serv->SendPacket(data,tcp_host);
2238 if (strchr(u->second->modes,'o'))
2240 snprintf(data,MAXBUF,"%s | %s %s",CreateSum().c_str(),u->second->nick,u->second->oper);
2241 serv->SendPacket(data,tcp_host);
2243 for (int i = 0; i <= MODCOUNT; i++)
2245 string_list l = modules[i]->OnUserSync(u->second);
2246 for (int j = 0; j < l.size(); j++)
2248 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2249 serv->SendPacket(data,tcp_host);
2252 char* chl = chlist(u->second,u->second);
2255 snprintf(data,MAXBUF,"%s J %s %s",CreateSum().c_str(),u->second->nick,chl);
2256 serv->SendPacket(data,tcp_host);
2259 // send channel modes, topics etc...
2260 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
2262 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
2263 serv->SendPacket(data,tcp_host);
2264 for (int i = 0; i <= MODCOUNT; i++)
2266 string_list l = modules[i]->OnChannelSync(c->second);
2267 for (int j = 0; j < l.size(); j++)
2269 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2270 serv->SendPacket(data,tcp_host);
2273 if (c->second->topic[0])
2275 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);
2276 serv->SendPacket(data,tcp_host);
2278 // send current banlist
2280 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
2282 snprintf(data,MAXBUF,"%s M %s +b %s",CreateSum().c_str(),c->second->name,b->data);
2283 serv->SendPacket(data,tcp_host);
2286 // sync global zlines, glines, etc
2287 sync_xlines(serv,tcp_host);
2289 snprintf(data,MAXBUF,"%s F %lu",CreateSum().c_str(),(unsigned long)TIME);
2290 serv->SendPacket(data,tcp_host);
2291 log(DEBUG,"Sent sync");
2292 // ircd sends its serverlist after the end of sync here
2296 void NetSendMyRoutingTable()
2298 // send out a line saying what is reachable to us.
2299 // E.g. if A is linked to B C and D, send out:
2301 // if its only linked to B and D send out:
2303 // if it has no links, dont even send out the line at all.
2304 char buffer[MAXBUF];
2305 snprintf(buffer,MAXBUF,"$ %s",ServerName);
2306 bool sendit = false;
2307 for (int i = 0; i < 32; i++)
2311 for (int j = 0; j < me[i]->connectors.size(); j++)
2313 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
2315 strlcat(buffer," ",MAXBUF);
2316 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
2323 NetSendToAll(buffer);
2327 void DoSplit(const char* params)
2329 bool go_again = true;
2333 for (int i = 0; i < 32; i++)
2337 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2339 if (!strcasecmp(j->GetServerName().c_str(),params))
2342 j->CloseConnection();
2343 me[i]->connectors.erase(j);
2351 log(DEBUG,"Removed server. Will remove clients...");
2352 // iterate through the userlist and remove all users on this server.
2353 // because we're dealing with a mesh, we dont have to deal with anything
2354 // "down-route" from this server (nice huh)
2356 char reason[MAXBUF];
2357 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2361 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2363 if (!strcasecmp(u->second->server,params))
2365 kill_link(u->second,reason);
2371 has_been_netsplit = true;
2374 // removes a server. Will NOT remove its users!
2376 void RemoveServer(const char* name)
2378 bool go_again = true;
2382 for (int i = 0; i < 32; i++)
2386 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2388 if (!strcasecmp(j->GetServerName().c_str(),name))
2391 j->CloseConnection();
2392 me[i]->connectors.erase(j);
2403 char MODERR[MAXBUF];
2410 void erase_factory(int j)
2413 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
2418 factory.push_back(NULL);
2425 void erase_module(int j)
2428 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
2434 modules.push_back(NULL);
2440 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
2444 module_names.erase(v);
2452 bool UnloadModule(const char* filename)
2454 std::string filename_str = filename;
2455 for (int j = 0; j != module_names.size(); j++)
2457 if (module_names[j] == filename_str)
2459 if (modules[j]->GetVersion().Flags & VF_STATIC)
2461 log(DEFAULT,"Failed to unload STATIC module %s",filename);
2462 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
2466 log(DEBUG,"Deleting module...");
2468 log(DEBUG,"Erasing module entry...");
2470 log(DEBUG,"Removing dependent commands...");
2471 removecommands(filename);
2472 log(DEFAULT,"Module %s unloaded",filename);
2477 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
2478 snprintf(MODERR,MAXBUF,"Module not loaded");
2482 bool LoadModule(const char* filename)
2484 char modfile[MAXBUF];
2486 snprintf(modfile,MAXBUF,"%s",filename);
2488 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
2490 std::string filename_str = filename;
2492 if (!DirValid(modfile))
2494 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
2495 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
2499 log(DEBUG,"Loading module: %s",modfile);
2501 if (FileExists(modfile))
2504 for (int j = 0; j < module_names.size(); j++)
2506 if (module_names[j] == filename_str)
2508 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
2509 snprintf(MODERR,MAXBUF,"Module already loaded");
2513 ircd_module* a = new ircd_module(modfile);
2514 factory[MODCOUNT+1] = a;
2515 if (factory[MODCOUNT+1]->LastError())
2517 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
2518 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
2522 if (factory[MODCOUNT+1]->factory)
2524 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
2525 modules[MODCOUNT+1] = m;
2526 /* save the module and the module's classfactory, if
2527 * this isnt done, random crashes can occur :/ */
2528 module_names.push_back(filename);
2532 log(DEFAULT,"Unable to load %s",modfile);
2533 snprintf(MODERR,MAXBUF,"Factory function failed!");
2540 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
2541 snprintf(MODERR,MAXBUF,"Module file could not be found");
2550 bool GotServer(std::string name)
2552 for (int j = 0; j < 32; j++)
2556 for (int k = 0; k < me[j]->connectors.size(); k++)
2558 if (name == me[j]->connectors[k].GetServerName())
2569 int InspIRCd(char** argv, int argc)
2571 struct sockaddr_in client,server;
2572 char addrs[MAXBUF][255];
2573 int incomingSockfd, result = TRUE;
2576 int selectResult = 0, selectResult2 = 0;
2577 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
2581 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
2582 log_file = fopen(logpath.c_str(),"a+");
2585 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
2590 printf("Logging to ircd.log...\n");
2592 printf("Logging to %s...\n",logpath.c_str());
2595 log(DEFAULT,"$Id$");
2598 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
2600 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
2602 SetupCommandTable();
2603 log(DEBUG,"InspIRCd: startup: default command table set up");
2605 ReadConfig(true,NULL);
2608 printf("WARNING: %s\n\n",DieValue);
2609 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
2612 log(DEBUG,"InspIRCd: startup: read config");
2614 AddServerName(ServerName);
2616 int clientportcount = 0, serverportcount = 0;
2618 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
2620 ConfValue("bind","port",count,configToken,&config_f);
2621 ConfValue("bind","address",count,Addr,&config_f);
2622 ConfValue("bind","type",count,Type,&config_f);
2623 if (!strcmp(Type,"servers"))
2625 char Default[MAXBUF];
2626 strcpy(Default,"no");
2627 ConfValue("bind","default",count,Default,&config_f);
2628 if (strchr(Default,'y'))
2630 defaultRoute = serverportcount;
2631 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
2633 me[serverportcount] = new serverrec(ServerName,100L,false);
2634 if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
2636 log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
2637 printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
2646 ports[clientportcount] = atoi(configToken);
2647 strlcpy(addrs[clientportcount],Addr,256);
2650 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
2652 portCount = clientportcount;
2653 SERVERportCount = serverportcount;
2655 log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)SERVERportCount);
2656 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
2660 /* BugFix By Craig! :p */
2662 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
2664 ConfValue("module","name",count,configToken,&config_f);
2665 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
2666 if (!LoadModule(configToken))
2668 log(DEFAULT,"Exiting due to a module loader error.");
2669 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
2673 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
2675 startup_time = time(NULL);
2678 ConfValue("pid","file",0,PID,&config_f);
2679 // write once here, to try it out and make sure its ok
2682 /* setup select call */
2684 FD_ZERO(&selectFds);
2686 log(DEBUG,"InspIRCd: startup: zero selects");
2687 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
2689 for (count = 0; count < portCount; count++)
2691 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
2693 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
2696 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
2698 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
2700 else /* well we at least bound to one socket so we'll continue */
2706 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
2708 /* if we didn't bind to anything then abort */
2709 if (boundPortCount == 0)
2711 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
2712 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
2717 printf("\nInspIRCd is now running!\n");
2721 log(VERBOSE,"Not forking as -nofork was specified");
2725 if (DaemonSeed() == ERROR)
2727 log(DEFAULT,"InspIRCd: startup: can't daemonise");
2728 printf("ERROR: could not go into daemon mode. Shutting down.\n");
2733 // BUGFIX: We cannot initialize this before forking, as the kqueue data is not inherited by child processes!
2738 if ((kq == -1) || (lkq == -1) || (skq == -1))
2740 log(DEFAULT,"main: kqueue() failed!");
2741 printf("ERROR: could not initialise kqueue event system. Shutting down.\n");
2747 ep = epoll_create(MAXCLIENTS);
2748 lep = epoll_create(32);
2749 sep = epoll_create(128);
2750 if ((ep == -1) || (lep == -1) || (sep == -1))
2752 log(DEFAULT,"main: epoll_create() failed!");
2753 printf("ERROR: could not initialise epoll event system. Shutting down.\n");
2759 log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount);
2760 for (count = 0; count < boundPortCount; count++)
2762 struct epoll_event ev;
2763 log(DEBUG,"epoll: Add listening socket to events, ep=%d socket=%d",lep,openSockfd[count]);
2764 ev.events = EPOLLIN | EPOLLET;
2765 ev.data.fd = openSockfd[count];
2766 int i = epoll_ctl(lep, EPOLL_CTL_ADD, openSockfd[count], &ev);
2769 log(DEFAULT,"main: add listen ports, epoll_ctl failed!");
2770 printf("ERROR: could not initialise listening sockets in epoll list. Shutting down.\n");
2775 for (int t = 0; t != SERVERportCount; t++)
2777 struct epoll_event ev;
2778 log(DEBUG,"epoll: Add listening server socket to events, ep=%d socket=%d",sep,me[t]->fd);
2779 ev.events = EPOLLIN | EPOLLET;
2780 ev.data.fd = me[t]->fd;
2781 int i = epoll_ctl(sep, EPOLL_CTL_ADD, me[t]->fd, &ev);
2784 log(DEFAULT,"main: add server listen ports, epoll_ctl failed!");
2785 printf("ERROR: could not initialise server listening sockets in epoll list. Shutting down.\n");
2791 log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
2792 for (count = 0; count < boundPortCount; count++)
2795 log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]);
2796 EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
2797 int i = kevent(lkq, &ke, 1, 0, 0, NULL);
2800 log(DEFAULT,"main: add listen ports to kqueue failed!");
2801 printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n");
2805 for (int t = 0; t != SERVERportCount; t++)
2810 log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd);
2811 EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
2812 int i = kevent(skq, &ke, 1, 0, 0, NULL);
2815 log(DEFAULT,"main: add server listen ports to kqueue failed!");
2816 printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n");
2824 log(DEFAULT,"Using standard select socket engine.");
2830 length = sizeof (client);
2831 char tcp_msg[MAXBUF],tcp_host[MAXBUF],tcp_sum[MAXBUF];
2835 struct kevent ke_list[33];
2839 struct epoll_event event[33];
2843 tvs.tv_usec = 10000L;
2846 tv.tv_usec = 10000L;
2850 tval.tv_usec = 10000L;
2852 int total_in_this_set = 0;
2853 int i = 0, v = 0, j = 0, cycle_iter = 0;
2854 bool expire_run = false;
2856 /* main loop, this never returns */
2859 #ifdef _POSIX_PRIORITY_SCHEDULING
2865 // we only read time() once per iteration rather than tons of times!
2871 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
2872 // them in a list, then reap the list every second or so.
2873 if (((TIME % 5) == 0) && (!expire_run))
2875 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2877 char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
2878 ConfValue("link","name",i,Link_ServerName,&config_f);
2879 ConfValue("link","autoconnect",i,Link_AConn,&config_f);
2880 if ((Link_AConn[0]) && (!GotServer(Link_ServerName)))
2882 autoconnects::iterator a = autoconns.find(std::string(Link_ServerName));
2883 if (a != autoconns.end())
2885 if (TIME > a->second)
2887 ConnectServer(Link_ServerName,NULL);
2888 a->second = TIME + atoi(Link_AConn);
2895 FOREACH_MOD OnBackgroundTimer(TIME);
2899 if ((TIME % 5) == 1)
2902 // fix by brain - this must be below any manipulation of the hashmap by modules
2903 user_hash::iterator count2 = clientlist.begin();
2906 i = epoll_wait(sep, event, 1, EP_DELAY);
2909 log(DEBUG,"epoll: Listening server socket event, i=%d, event.data.fd=%d",i,event[0].data.fd);
2910 for (int x = 0; x != SERVERportCount; x++)
2912 if ((me[x]) && (event[0].data.fd == me[x]->fd))
2917 ts.tv_nsec = 30000L;
2918 i = kevent(skq, NULL, 0, &ke, 1, &ts);
2921 log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident);
2922 for (int x = 0; x != SERVERportCount; x++)
2924 if ((me[x]) && (ke.ident == me[x]->fd))
2929 FD_ZERO(&serverfds);
2930 for (int x = 0; x != SERVERportCount; x++)
2933 FD_SET(me[x]->fd, &serverfds);
2935 tvs.tv_usec = 30000L;
2937 int servresult = select(FD_SETSIZE, &serverfds, NULL, NULL, &tvs);
2940 for (int x = 0; x != SERVERportCount; x++)
2942 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
2945 char remotehost[MAXBUF],resolved[MAXBUF];
2946 length = sizeof (client);
2947 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
2948 if (incomingSockfd != -1)
2950 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
2951 if(CleanAndResolve(resolved, remotehost) != TRUE)
2953 strlcpy(resolved,remotehost,MAXBUF);
2955 // add to this connections ircd_connector vector
2956 // *FIX* - we need the LOCAL port not the remote port in &client!
2957 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
2963 std::deque<std::string> msgs;
2964 std::deque<std::string> sums;
2965 for (int x = 0; x < SERVERportCount; x++)
2968 me[x]->FlushWriteBuffers();
2971 while ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums))) // returns 0 or more lines (can be multiple lines!)
2973 has_been_netsplit = false;
2974 for (int ctr = 0; ctr < msgs.size(); ctr++)
2976 strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
2977 strlcpy(tcp_sum,sums[ctr].c_str(),MAXBUF);
2978 log(DEBUG,"Processing: %s",tcp_msg);
2981 log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
2984 // during a netburst, send all data to all other linked servers
2985 if ((((nb_start>0) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
2987 if (is_uline(tcp_host))
2989 if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
2991 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2995 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2997 std::string msg = tcp_msg;
2998 FOREACH_MOD OnPacketReceive(msg,tcp_host);
2999 strlcpy(tcp_msg,msg.c_str(),MAXBUF);
3001 handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
3002 if (!me[x]->FindHost(tcp_host))
3004 log(DEBUG,"Connector gone, bailing!");
3012 while (count2 != clientlist.end())
3018 total_in_this_set = 0;
3020 user_hash::iterator xcount = count2;
3021 user_hash::iterator endingiter = count2;
3023 if (count2 == clientlist.end()) break;
3025 userrec* curr = NULL;
3028 curr = count2->second;
3030 if ((long)curr == -1)
3033 if ((curr) && (curr->fd != 0))
3035 #ifdef _POSIX_PRIORITY_SCHEDULING
3038 // assemble up to 64 sockets into an fd_set
3039 // to implement a pooling mechanism.
3041 // This should be up to 64x faster than the
3042 // old implementation.
3044 while (total_in_this_set < 1024)
3046 if (count2 != clientlist.end())
3048 curr = count2->second;
3049 if ((long)curr == -1)
3051 int currfd = curr->fd;
3052 // we don't check the state of remote users.
3053 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
3055 curr->FlushWriteBuf();
3056 if (curr->GetWriteError() != "")
3058 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
3059 kill_link(curr,curr->GetWriteError().c_str());
3063 FD_SET (curr->fd, &sfd);
3065 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3066 // their connection class.
3067 if ((TIME > curr->timeout) && (curr->registered != 7))
3069 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
3070 kill_link(curr,"Registration timeout");
3073 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3075 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
3076 curr->dns_done = true;
3078 FullConnectUser(curr);
3079 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3082 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
3084 log(DEBUG,"dns done, registered=3, and modules ready, OK");
3085 FullConnectUser(curr);
3086 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3089 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
3091 if ((!curr->lastping) && (curr->registered == 7))
3093 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
3094 kill_link(curr,"Ping timeout");
3097 Write(curr->fd,"PING :%s",ServerName);
3098 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
3100 curr->nping = TIME+curr->pingmax; // was hard coded to 120
3104 total_in_this_set++;
3108 endingiter = count2;
3109 count2 = xcount; // roll back to where we were
3111 // 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.
3112 // TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
3114 if (cycle_iter > 20) while (count2 != clientlist.end())
3117 if (count2 != clientlist.end())
3119 curr = count2->second;
3120 if ((long)curr == -1)
3122 int currfd = curr->fd;
3123 // we don't check the state of remote users.
3124 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
3127 curr->FlushWriteBuf();
3128 if (curr->GetWriteError() != "")
3130 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
3131 kill_link(curr,curr->GetWriteError().c_str());
3135 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3136 // their connection class.
3137 if ((TIME > curr->timeout) && (curr->registered != 7))
3139 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
3140 kill_link(curr,"Registration timeout");
3144 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3146 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
3147 curr->dns_done = true;
3149 FullConnectUser(curr);
3150 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3153 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3155 log(DEBUG,"dns done, registered=3, and modules ready, OK");
3156 FullConnectUser(curr);
3157 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3160 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
3162 if ((!curr->lastping) && (curr->registered == 7))
3164 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
3165 kill_link(curr,"Ping timeout");
3168 Write(curr->fd,"PING :%s",ServerName);
3169 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
3171 curr->nping = TIME+curr->pingmax; // was hard coded to 120
3178 // increment the counter right to the end of the list, as kqueue processes everything in one go
3183 int i = epoll_wait(ep, event, 1, 5);
3186 log(DEBUG,"epoll_wait call: ep=%d, i=%d",ep,i);
3187 // EPOLL: we asked epoll_wait for ONE fd which is ready. Do something.
3188 userrec* cu = fd_ref_table[event[0].data.fd];
3193 // for now, we only read 1 event. We could read soooo many more :)
3194 int i = kevent(kq, NULL, 0, &ke, 1, &ts);
3197 log(DEBUG,"kevent call: kq=%d, i=%d",kq,i);
3198 // KQUEUE: kevent gives us ONE fd which is ready to have something done to it. Do something to it.
3199 userrec* cu = fd_ref_table[ke.ident];
3203 tval.tv_usec = 1000L;
3204 selectResult2 = select(FD_SETSIZE, &sfd, NULL, NULL, &tval);
3205 // now loop through all of the items in this pool if any are waiting
3206 if ((selectResult2 > 0) && (xcount != clientlist.end()))
3207 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
3209 // SELECT: we have to iterate...
3210 if (count2a == clientlist.end())
3212 userrec* cu = count2a->second;
3215 #ifdef _POSIX_PRIORITY_SCHEDULING
3220 // EPOLL: We already know we have a valid FD. No checks needed.
3221 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3224 // KQUEUE: We already know we have a valid FD. No checks needed.
3225 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3228 // SELECT: We don't know if our FD is valid.
3229 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
3232 log(DEBUG,"Data waiting on socket %d",cu->fd);
3235 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
3238 result = cu->ReadData(data, 65535);
3240 else result = result2;
3241 log(DEBUG,"Read result: %d",result);
3244 statsRecv += result;
3245 // perform a check on the raw buffer as an array (not a string!) to remove
3246 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
3247 // hopefully this should stop even more people whining about "Unknown command: *"
3248 for (int checker = 0; checker < result; checker++)
3250 if ((data[checker] == 0) || (data[checker] == 7))
3251 data[checker] = ' ';
3254 data[result] = '\0';
3255 userrec* current = cu;
3256 int currfd = current->fd;
3258 // add the data to the users buffer
3260 if (!current->AddBuffer(data))
3262 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
3263 if (current->registered == 7)
3265 kill_link(current,"RecvQ exceeded");
3269 WriteOpers("*** Excess flood from %s",current->ip);
3270 log(DEFAULT,"Excess flood from: %s",current->ip);
3271 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3276 if (current->recvq.length() > NetBufferSize)
3278 if (current->registered == 7)
3280 kill_link(current,"RecvQ exceeded");
3284 WriteOpers("*** Excess flood from %s",current->ip);
3285 log(DEFAULT,"Excess flood from: %s",current->ip);
3286 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3291 // while there are complete lines to process...
3292 while (current->BufferIsReady())
3295 if (TIME > current->reset_due)
3297 current->reset_due = TIME + current->threshold;
3298 current->lines_in = 0;
3300 current->lines_in++;
3301 if (current->lines_in > current->flood)
3303 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3304 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3305 kill_link(current,"Excess flood");
3308 if ((floodlines > current->flood) && (current->flood != 0))
3310 if (current->registered == 7)
3312 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3313 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3314 kill_link(current,"Excess flood");
3318 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3323 char sanitized[MAXBUF];
3324 // use GetBuffer to copy single lines into the sanitized string
3325 std::string single_line = current->GetBuffer();
3326 current->bytes_in += single_line.length();
3328 if (single_line.length()>512)
3330 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3331 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3332 kill_link(current,"Excess flood");
3335 strlcpy(sanitized,single_line.c_str(),MAXBUF);
3338 userrec* old_comp = fd_ref_table[currfd];
3339 // we're gonna re-scan to check if the nick is gone, after every
3340 // command - if it has, we're gonna bail
3341 process_buffer(sanitized,current);
3342 // look for the user's record in case it's changed... if theyve quit,
3343 // we cant do anything more with their buffer, so bail.
3344 // there used to be an ugly, slow loop here. Now we have a reference
3345 // table, life is much easier (and FASTER)
3346 userrec* new_comp = fd_ref_table[currfd];
3347 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
3355 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
3357 log(DEBUG,"killing: %s",cu->nick);
3358 kill_link(cu,strerror(errno));
3362 // result EAGAIN means nothing read
3363 if (result == EAGAIN)
3373 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
3374 kill_link(cu,"Client exited");
3375 // must bail here? kill_link removes the hash, corrupting the iterator
3376 log(DEBUG,"Bailing from client exit");
3382 else if (result > 0)
3387 for (int q = 0; q < total_in_this_set; q++)
3393 #ifdef _POSIX_PRIORITY_SCHEDULING
3398 // set up select call
3399 for (count = 0; count < boundPortCount; count++)
3401 FD_SET (openSockfd[count], &selectFds);
3404 tv.tv_usec = 30000L;
3405 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
3407 /* select is reporting a waiting socket. Poll them all to find out which */
3408 if (selectResult > 0)
3410 for (count = 0; count < boundPortCount; count++)
3412 if (FD_ISSET (openSockfd[count], &selectFds))
3417 ts.tv_nsec = 30000L;
3418 i = kevent(lkq, NULL, 0, ke_list, 32, &ts);
3419 if (i > 0) for (j = 0; j < i; j++)
3421 log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke_list[j].ident);
3422 // this isnt as efficient as it could be, we could create a reference table
3423 // to reference bound ports by fd, but this isnt a big bottleneck as the actual
3424 // number of listening ports on the average ircd is a small number (less than 20)
3425 // compared to the number of clients (possibly over 2000)
3426 for (count = 0; count < boundPortCount; count++)
3428 if (ke_list[j].ident == openSockfd[count])
3432 i = epoll_wait(lep, event, 32, EP_DELAY);
3433 if (i > 0) for (j = 0; j < i; j++)
3435 log(DEBUG,"epoll: Listening socket event, i=%d,events[j].data.fd=%d",i,event[j].data.fd);
3436 for (count = 0; count < boundPortCount; count++)
3438 if (event[j].data.fd == openSockfd[count])
3441 char target[MAXBUF], resolved[MAXBUF];
3442 length = sizeof (client);
3443 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
3445 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
3446 strlcpy (resolved, target, MAXBUF);
3448 if (incomingSockfd < 0)
3450 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
3451 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
3456 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
3458 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
3459 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
3466 #ifdef _POSIX_PRIORITY_SCHEDULING
3472 close (incomingSockfd);