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 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
1614 /* shows the message of the day, and any other on-logon stuff */
1615 void ConnectUser(userrec *user)
1617 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
1618 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
1620 FullConnectUser(user);
1624 std::string GetVersionString()
1626 char Revision[] = "$Revision$";
1627 char versiondata[MAXBUF];
1628 char *s1 = Revision;
1630 char *v2 = strtok_r(s1," ",&savept);
1632 v2 = strtok_r(s1," ",&savept);
1635 char socketengine[] = "kqueue";
1638 char socketengine[] = "select";
1641 char socketengine[] = "epoll";
1643 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
1647 void handle_version(char **parameters, int pcnt, userrec *user)
1651 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1655 if (!strcmp(parameters[0],"*"))
1657 for (int j = 0; j < 32; j++)
1661 for (int x = 0; x < me[j]->connectors.size(); x++)
1663 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());
1669 if (match(ServerName,parameters[0]))
1671 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1674 bool displayed = false, found = false;
1675 for (int j = 0; j < 32; j++)
1679 for (int x = 0; x < me[j]->connectors.size(); x++)
1681 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1684 if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
1687 WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
1693 if ((!displayed) && (found))
1695 WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
1700 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
1707 // calls a handler function for a command
1709 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
1711 for (int i = 0; i < cmdlist.size(); i++)
1713 if (!strcasecmp(cmdlist[i].command,commandname))
1715 if (cmdlist[i].handler_function)
1717 if (pcnt>=cmdlist[i].min_params)
1719 if (strchr(user->modes,cmdlist[i].flags_needed))
1721 cmdlist[i].handler_function(parameters,pcnt,user);
1729 void DoSplitEveryone()
1731 bool go_again = true;
1735 for (int i = 0; i < 32; i++)
1739 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
1741 if (strcasecmp(j->GetServerName().c_str(),ServerName))
1744 j->CloseConnection();
1745 me[i]->connectors.erase(j);
1753 log(DEBUG,"Removed server. Will remove clients...");
1754 // iterate through the userlist and remove all users on this server.
1755 // because we're dealing with a mesh, we dont have to deal with anything
1756 // "down-route" from this server (nice huh)
1758 char reason[MAXBUF];
1762 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
1764 if (strcasecmp(u->second->server,ServerName))
1766 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
1767 kill_link(u->second,reason);
1773 has_been_netsplit = true;
1778 void force_nickchange(userrec* user,const char* newnick)
1785 FOREACH_RESULT(OnUserPreNick(user,newnick));
1788 kill_link(user,"Nickname collision");
1791 if (matches_qline(newnick))
1794 kill_link(user,"Nickname collision");
1802 strncpy(nick,newnick,MAXBUF);
1804 if (user->registered == 7)
1808 handle_nick(pars,1,user);
1814 int process_parameters(char **command_p,char *parameters)
1817 int q = strlen(parameters);
1820 /* no parameters, command_p invalid! */
1823 if (parameters[0] == ':')
1825 command_p[0] = parameters+1;
1830 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
1832 /* only one parameter */
1833 command_p[0] = parameters;
1834 if (parameters[0] == ':')
1836 if (strchr(parameters,' ') != NULL)
1844 command_p[j++] = parameters;
1845 for (int i = 0; i <= q; i++)
1847 if (parameters[i] == ' ')
1849 command_p[j++] = parameters+i+1;
1850 parameters[i] = '\0';
1851 if (command_p[j-1][0] == ':')
1853 *command_p[j-1]++; /* remove dodgy ":" */
1855 /* parameter like this marks end of the sequence */
1859 return j; /* returns total number of items in the list */
1862 void process_command(userrec *user, char* cmd)
1866 char *command_p[127];
1867 char p[MAXBUF], temp[MAXBUF];
1868 int j, items, cmd_found;
1870 for (int i = 0; i < 127; i++)
1871 command_p[i] = NULL;
1886 int total_params = 0;
1889 for (int q = 0; q < strlen(cmd)-1; q++)
1891 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
1894 // found a 'trailing', we dont count them after this.
1902 // another phidjit bug...
1903 if (total_params > 126)
1905 *(strchr(cmd,' ')) = '\0';
1906 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
1910 strlcpy(temp,cmd,MAXBUF);
1912 std::string tmp = cmd;
1913 for (int i = 0; i <= MODCOUNT; i++)
1915 std::string oldtmp = tmp;
1916 modules[i]->OnServerRaw(tmp,true,user);
1919 log(DEBUG,"A Module changed the input string!");
1920 log(DEBUG,"New string: %s",tmp.c_str());
1921 log(DEBUG,"Old string: %s",oldtmp.c_str());
1925 strlcpy(cmd,tmp.c_str(),MAXBUF);
1926 strlcpy(temp,cmd,MAXBUF);
1928 if (!strchr(cmd,' '))
1930 /* no parameters, lets skip the formalities and not chop up
1932 log(DEBUG,"About to preprocess command with no params");
1934 command_p[0] = NULL;
1936 for (int i = 0; i <= strlen(cmd); i++)
1938 cmd[i] = toupper(cmd[i]);
1946 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
1947 for (int i = 0; i < strlen(temp); i++)
1949 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
1955 /* split the full string into a command plus parameters */
1959 if (strchr(cmd,' '))
1961 for (int i = 0; i <= strlen(cmd); i++)
1963 /* capitalise the command ONLY, leave params intact */
1964 cmd[i] = toupper(cmd[i]);
1965 /* are we nearly there yet?! :P */
1969 parameters = cmd+i+1;
1977 for (int i = 0; i <= strlen(cmd); i++)
1979 cmd[i] = toupper(cmd[i]);
1986 if (strlen(command)>MAXCOMMAND)
1988 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
1992 for (int x = 0; x < strlen(command); x++)
1994 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
1996 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
1998 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
2001 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2008 for (int i = 0; i != cmdlist.size(); i++)
2010 if (cmdlist[i].command[0])
2012 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
2018 items = process_parameters(command_p,parameters);
2023 command_p[0] = NULL;
2029 command_p[0] = NULL;
2034 /* activity resets the ping pending timer */
2035 user->nping = TIME + user->pingmax;
2036 if ((items) < cmdlist[i].min_params)
2038 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
2039 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
2042 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
2044 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2045 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
2049 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
2051 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2052 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
2056 /* if the command isnt USER, PASS, or NICK, and nick is empty,
2058 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
2060 if ((!isnick(user->nick)) || (user->registered != 7))
2062 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2063 WriteServ(user->fd,"451 %s :You have not registered",command);
2067 if ((user->registered == 7) && (!strchr(user->modes,'o')))
2069 std::stringstream dcmds(DisabledCommands);
2070 while (!dcmds.eof())
2072 std::string thiscmd;
2074 if (!strcasecmp(thiscmd.c_str(),command))
2076 // command is disabled!
2077 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
2082 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
2084 if (cmdlist[i].handler_function)
2087 /* ikky /stats counters */
2090 cmdlist[i].use_count++;
2091 cmdlist[i].total_bytes+=strlen(temp);
2095 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
2096 if (MOD_RESULT == 1) {
2100 /* WARNING: nothing may come after the
2101 * command handler call, as the handler
2102 * may free the user structure! */
2104 cmdlist[i].handler_function(command_p,items,user);
2110 WriteServ(user->fd,"451 %s :You have not registered",command);
2118 if ((!cmd_found) && (user))
2121 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2125 bool removecommands(const char* source)
2127 bool go_again = true;
2131 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
2133 if (!strcmp(i->source,source))
2135 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
2146 void process_buffer(const char* cmdbuf,userrec *user)
2150 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2156 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2163 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
2165 strlcpy(cmd,cmdbuf,MAXBUF);
2170 int sl = strlen(cmd)-1;
2171 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2176 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2181 while (cmd[sl] == ' ') // strip trailing spaces
2191 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
2193 if ((user) && (cmd))
2195 process_command(user,cmd);
2199 void DoSync(serverrec* serv, char* tcp_host)
2202 log(DEBUG,"Sending sync");
2203 // send start of sync marker: Y <timestamp>
2204 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
2205 // except the ones its receiving it from.
2206 snprintf(data,MAXBUF,"%s Y %lu",CreateSum().c_str(),(unsigned long)TIME);
2207 serv->SendPacket(data,tcp_host);
2208 // send users and channels
2210 NetSendMyRoutingTable();
2212 // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
2213 for (int j = 0; j < 32; j++)
2217 for (int k = 0; k < me[j]->connectors.size(); k++)
2219 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
2221 snprintf(data,MAXBUF,"%s H %s",CreateSum().c_str(),me[j]->connectors[k].GetServerName().c_str());
2222 serv->SendPacket(data,tcp_host);
2228 // send our version for the remote side to cache
2229 snprintf(data,MAXBUF,"%s v %s %s",CreateSum().c_str(),ServerName,GetVersionString().c_str());
2230 serv->SendPacket(data,tcp_host);
2232 // sync the users and channels, give the modules a look-in.
2233 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
2235 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);
2236 serv->SendPacket(data,tcp_host);
2237 if (strchr(u->second->modes,'o'))
2239 snprintf(data,MAXBUF,"%s | %s %s",CreateSum().c_str(),u->second->nick,u->second->oper);
2240 serv->SendPacket(data,tcp_host);
2242 for (int i = 0; i <= MODCOUNT; i++)
2244 string_list l = modules[i]->OnUserSync(u->second);
2245 for (int j = 0; j < l.size(); j++)
2247 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2248 serv->SendPacket(data,tcp_host);
2251 char* chl = chlist(u->second,u->second);
2254 snprintf(data,MAXBUF,"%s J %s %s",CreateSum().c_str(),u->second->nick,chl);
2255 serv->SendPacket(data,tcp_host);
2258 // send channel modes, topics etc...
2259 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
2261 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
2262 serv->SendPacket(data,tcp_host);
2263 for (int i = 0; i <= MODCOUNT; i++)
2265 string_list l = modules[i]->OnChannelSync(c->second);
2266 for (int j = 0; j < l.size(); j++)
2268 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2269 serv->SendPacket(data,tcp_host);
2272 if (c->second->topic[0])
2274 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);
2275 serv->SendPacket(data,tcp_host);
2277 // send current banlist
2279 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
2281 snprintf(data,MAXBUF,"%s M %s +b %s",CreateSum().c_str(),c->second->name,b->data);
2282 serv->SendPacket(data,tcp_host);
2285 // sync global zlines, glines, etc
2286 sync_xlines(serv,tcp_host);
2288 snprintf(data,MAXBUF,"%s F %lu",CreateSum().c_str(),(unsigned long)TIME);
2289 serv->SendPacket(data,tcp_host);
2290 log(DEBUG,"Sent sync");
2291 // ircd sends its serverlist after the end of sync here
2295 void NetSendMyRoutingTable()
2297 // send out a line saying what is reachable to us.
2298 // E.g. if A is linked to B C and D, send out:
2300 // if its only linked to B and D send out:
2302 // if it has no links, dont even send out the line at all.
2303 char buffer[MAXBUF];
2304 snprintf(buffer,MAXBUF,"$ %s",ServerName);
2305 bool sendit = false;
2306 for (int i = 0; i < 32; i++)
2310 for (int j = 0; j < me[i]->connectors.size(); j++)
2312 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
2314 strlcat(buffer," ",MAXBUF);
2315 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
2322 NetSendToAll(buffer);
2326 void DoSplit(const char* params)
2328 bool go_again = true;
2332 for (int i = 0; i < 32; i++)
2336 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2338 if (!strcasecmp(j->GetServerName().c_str(),params))
2341 j->CloseConnection();
2342 me[i]->connectors.erase(j);
2350 log(DEBUG,"Removed server. Will remove clients...");
2351 // iterate through the userlist and remove all users on this server.
2352 // because we're dealing with a mesh, we dont have to deal with anything
2353 // "down-route" from this server (nice huh)
2355 char reason[MAXBUF];
2356 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2360 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2362 if (!strcasecmp(u->second->server,params))
2364 kill_link(u->second,reason);
2370 has_been_netsplit = true;
2373 // removes a server. Will NOT remove its users!
2375 void RemoveServer(const char* name)
2377 bool go_again = true;
2381 for (int i = 0; i < 32; i++)
2385 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2387 if (!strcasecmp(j->GetServerName().c_str(),name))
2390 j->CloseConnection();
2391 me[i]->connectors.erase(j);
2402 char MODERR[MAXBUF];
2409 void erase_factory(int j)
2412 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
2417 factory.push_back(NULL);
2424 void erase_module(int j)
2427 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
2433 modules.push_back(NULL);
2439 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
2443 module_names.erase(v);
2451 bool UnloadModule(const char* filename)
2453 std::string filename_str = filename;
2454 for (int j = 0; j != module_names.size(); j++)
2456 if (module_names[j] == filename_str)
2458 if (modules[j]->GetVersion().Flags & VF_STATIC)
2460 log(DEFAULT,"Failed to unload STATIC module %s",filename);
2461 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
2465 log(DEBUG,"Deleting module...");
2467 log(DEBUG,"Erasing module entry...");
2469 log(DEBUG,"Removing dependent commands...");
2470 removecommands(filename);
2471 log(DEFAULT,"Module %s unloaded",filename);
2476 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
2477 snprintf(MODERR,MAXBUF,"Module not loaded");
2481 bool LoadModule(const char* filename)
2483 char modfile[MAXBUF];
2485 snprintf(modfile,MAXBUF,"%s",filename);
2487 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
2489 std::string filename_str = filename;
2491 if (!DirValid(modfile))
2493 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
2494 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
2498 log(DEBUG,"Loading module: %s",modfile);
2500 if (FileExists(modfile))
2503 for (int j = 0; j < module_names.size(); j++)
2505 if (module_names[j] == filename_str)
2507 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
2508 snprintf(MODERR,MAXBUF,"Module already loaded");
2512 ircd_module* a = new ircd_module(modfile);
2513 factory[MODCOUNT+1] = a;
2514 if (factory[MODCOUNT+1]->LastError())
2516 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
2517 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
2521 if (factory[MODCOUNT+1]->factory)
2523 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
2524 modules[MODCOUNT+1] = m;
2525 /* save the module and the module's classfactory, if
2526 * this isnt done, random crashes can occur :/ */
2527 module_names.push_back(filename);
2531 log(DEFAULT,"Unable to load %s",modfile);
2532 snprintf(MODERR,MAXBUF,"Factory function failed!");
2539 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
2540 snprintf(MODERR,MAXBUF,"Module file could not be found");
2549 bool GotServer(std::string name)
2551 for (int j = 0; j < 32; j++)
2555 for (int k = 0; k < me[j]->connectors.size(); k++)
2557 if (name == me[j]->connectors[k].GetServerName())
2568 int InspIRCd(char** argv, int argc)
2570 struct sockaddr_in client,server;
2571 char addrs[MAXBUF][255];
2572 int incomingSockfd, result = TRUE;
2575 int selectResult = 0, selectResult2 = 0;
2576 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
2580 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
2581 log_file = fopen(logpath.c_str(),"a+");
2584 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
2589 printf("Logging to ircd.log...\n");
2591 printf("Logging to %s...\n",logpath.c_str());
2594 log(DEFAULT,"$Id$");
2597 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
2599 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
2601 SetupCommandTable();
2602 log(DEBUG,"InspIRCd: startup: default command table set up");
2604 ReadConfig(true,NULL);
2607 printf("WARNING: %s\n\n",DieValue);
2608 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
2611 log(DEBUG,"InspIRCd: startup: read config");
2613 AddServerName(ServerName);
2615 int clientportcount = 0, serverportcount = 0;
2617 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
2619 ConfValue("bind","port",count,configToken,&config_f);
2620 ConfValue("bind","address",count,Addr,&config_f);
2621 ConfValue("bind","type",count,Type,&config_f);
2622 if (!strcmp(Type,"servers"))
2624 char Default[MAXBUF];
2625 strcpy(Default,"no");
2626 ConfValue("bind","default",count,Default,&config_f);
2627 if (strchr(Default,'y'))
2629 defaultRoute = serverportcount;
2630 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
2632 me[serverportcount] = new serverrec(ServerName,100L,false);
2633 if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
2635 log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
2636 printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
2645 ports[clientportcount] = atoi(configToken);
2646 strlcpy(addrs[clientportcount],Addr,256);
2649 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
2651 portCount = clientportcount;
2652 SERVERportCount = serverportcount;
2654 log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)SERVERportCount);
2655 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
2659 /* BugFix By Craig! :p */
2661 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
2663 ConfValue("module","name",count,configToken,&config_f);
2664 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
2665 if (!LoadModule(configToken))
2667 log(DEFAULT,"Exiting due to a module loader error.");
2668 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
2672 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
2674 startup_time = time(NULL);
2677 ConfValue("pid","file",0,PID,&config_f);
2678 // write once here, to try it out and make sure its ok
2681 /* setup select call */
2683 FD_ZERO(&selectFds);
2685 log(DEBUG,"InspIRCd: startup: zero selects");
2686 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
2688 for (count = 0; count < portCount; count++)
2690 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
2692 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
2695 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
2697 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
2699 else /* well we at least bound to one socket so we'll continue */
2705 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
2707 /* if we didn't bind to anything then abort */
2708 if (boundPortCount == 0)
2710 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
2711 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
2716 printf("\nInspIRCd is now running!\n");
2720 log(VERBOSE,"Not forking as -nofork was specified");
2724 if (DaemonSeed() == ERROR)
2726 log(DEFAULT,"InspIRCd: startup: can't daemonise");
2727 printf("ERROR: could not go into daemon mode. Shutting down.\n");
2732 // BUGFIX: We cannot initialize this before forking, as the kqueue data is not inherited by child processes!
2737 if ((kq == -1) || (lkq == -1) || (skq == -1))
2739 log(DEFAULT,"main: kqueue() failed!");
2740 printf("ERROR: could not initialise kqueue event system. Shutting down.\n");
2746 ep = epoll_create(MAXCLIENTS);
2747 lep = epoll_create(32);
2748 sep = epoll_create(128);
2749 if ((ep == -1) || (lep == -1) || (sep == -1))
2751 log(DEFAULT,"main: epoll_create() failed!");
2752 printf("ERROR: could not initialise epoll event system. Shutting down.\n");
2758 log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount);
2759 for (count = 0; count < boundPortCount; count++)
2761 struct epoll_event ev;
2762 log(DEBUG,"epoll: Add listening socket to events, ep=%d socket=%d",lep,openSockfd[count]);
2763 ev.events = EPOLLIN | EPOLLET;
2764 ev.data.fd = openSockfd[count];
2765 int i = epoll_ctl(lep, EPOLL_CTL_ADD, openSockfd[count], &ev);
2768 log(DEFAULT,"main: add listen ports, epoll_ctl failed!");
2769 printf("ERROR: could not initialise listening sockets in epoll list. Shutting down.\n");
2774 for (int t = 0; t != SERVERportCount; t++)
2776 struct epoll_event ev;
2777 log(DEBUG,"epoll: Add listening server socket to events, ep=%d socket=%d",sep,me[t]->fd);
2778 ev.events = EPOLLIN | EPOLLET;
2779 ev.data.fd = me[t]->fd;
2780 int i = epoll_ctl(sep, EPOLL_CTL_ADD, me[t]->fd, &ev);
2783 log(DEFAULT,"main: add server listen ports, epoll_ctl failed!");
2784 printf("ERROR: could not initialise server listening sockets in epoll list. Shutting down.\n");
2790 log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
2791 for (count = 0; count < boundPortCount; count++)
2794 log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]);
2795 EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
2796 int i = kevent(lkq, &ke, 1, 0, 0, NULL);
2799 log(DEFAULT,"main: add listen ports to kqueue failed!");
2800 printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n");
2804 for (int t = 0; t != SERVERportCount; t++)
2809 log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd);
2810 EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
2811 int i = kevent(skq, &ke, 1, 0, 0, NULL);
2814 log(DEFAULT,"main: add server listen ports to kqueue failed!");
2815 printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n");
2823 log(DEFAULT,"Using standard select socket engine.");
2829 length = sizeof (client);
2830 char tcp_msg[MAXBUF],tcp_host[MAXBUF],tcp_sum[MAXBUF];
2834 struct kevent ke_list[33];
2838 struct epoll_event event[33];
2842 tvs.tv_usec = 10000L;
2845 tv.tv_usec = 10000L;
2849 tval.tv_usec = 10000L;
2851 int total_in_this_set = 0;
2852 int i = 0, v = 0, j = 0, cycle_iter = 0;
2853 bool expire_run = false;
2855 /* main loop, this never returns */
2858 #ifdef _POSIX_PRIORITY_SCHEDULING
2864 // we only read time() once per iteration rather than tons of times!
2870 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
2871 // them in a list, then reap the list every second or so.
2872 if (((TIME % 5) == 0) && (!expire_run))
2874 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2876 char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
2877 ConfValue("link","name",i,Link_ServerName,&config_f);
2878 ConfValue("link","autoconnect",i,Link_AConn,&config_f);
2879 if ((Link_AConn[0]) && (!GotServer(Link_ServerName)))
2881 autoconnects::iterator a = autoconns.find(std::string(Link_ServerName));
2882 if (a != autoconns.end())
2884 if (TIME > a->second)
2886 ConnectServer(Link_ServerName,NULL);
2887 a->second = TIME + atoi(Link_AConn);
2894 FOREACH_MOD OnBackgroundTimer(TIME);
2898 if ((TIME % 5) == 1)
2901 // fix by brain - this must be below any manipulation of the hashmap by modules
2902 user_hash::iterator count2 = clientlist.begin();
2905 i = epoll_wait(sep, event, 1, EP_DELAY);
2908 log(DEBUG,"epoll: Listening server socket event, i=%d, event.data.fd=%d",i,event[0].data.fd);
2909 for (int x = 0; x != SERVERportCount; x++)
2911 if ((me[x]) && (event[0].data.fd == me[x]->fd))
2916 ts.tv_nsec = 30000L;
2917 i = kevent(skq, NULL, 0, &ke, 1, &ts);
2920 log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident);
2921 for (int x = 0; x != SERVERportCount; x++)
2923 if ((me[x]) && (ke.ident == me[x]->fd))
2928 FD_ZERO(&serverfds);
2929 for (int x = 0; x != SERVERportCount; x++)
2932 FD_SET(me[x]->fd, &serverfds);
2934 tvs.tv_usec = 30000L;
2936 int servresult = select(FD_SETSIZE, &serverfds, NULL, NULL, &tvs);
2939 for (int x = 0; x != SERVERportCount; x++)
2941 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
2944 char remotehost[MAXBUF],resolved[MAXBUF];
2945 length = sizeof (client);
2946 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
2947 if (incomingSockfd != -1)
2949 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
2950 if(CleanAndResolve(resolved, remotehost) != TRUE)
2952 strlcpy(resolved,remotehost,MAXBUF);
2954 // add to this connections ircd_connector vector
2955 // *FIX* - we need the LOCAL port not the remote port in &client!
2956 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
2962 std::deque<std::string> msgs;
2963 std::deque<std::string> sums;
2964 for (int x = 0; x < SERVERportCount; x++)
2967 me[x]->FlushWriteBuffers();
2970 while ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums))) // returns 0 or more lines (can be multiple lines!)
2972 has_been_netsplit = false;
2973 for (int ctr = 0; ctr < msgs.size(); ctr++)
2975 strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
2976 strlcpy(tcp_sum,sums[ctr].c_str(),MAXBUF);
2977 log(DEBUG,"Processing: %s",tcp_msg);
2980 log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
2983 // during a netburst, send all data to all other linked servers
2984 if ((((nb_start>0) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
2986 if (is_uline(tcp_host))
2988 if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
2990 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2994 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2996 std::string msg = tcp_msg;
2997 FOREACH_MOD OnPacketReceive(msg,tcp_host);
2998 strlcpy(tcp_msg,msg.c_str(),MAXBUF);
3000 handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
3001 if (!me[x]->FindHost(tcp_host))
3003 log(DEBUG,"Connector gone, bailing!");
3011 while (count2 != clientlist.end())
3017 total_in_this_set = 0;
3019 user_hash::iterator xcount = count2;
3020 user_hash::iterator endingiter = count2;
3022 if (count2 == clientlist.end()) break;
3024 userrec* curr = NULL;
3027 curr = count2->second;
3029 if ((long)curr == -1)
3032 if ((curr) && (curr->fd != 0))
3034 #ifdef _POSIX_PRIORITY_SCHEDULING
3037 // assemble up to 64 sockets into an fd_set
3038 // to implement a pooling mechanism.
3040 // This should be up to 64x faster than the
3041 // old implementation.
3043 while (total_in_this_set < 1024)
3045 if (count2 != clientlist.end())
3047 curr = count2->second;
3048 if ((long)curr == -1)
3050 int currfd = curr->fd;
3051 // we don't check the state of remote users.
3052 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
3054 curr->FlushWriteBuf();
3055 if (curr->GetWriteError() != "")
3057 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
3058 kill_link(curr,curr->GetWriteError().c_str());
3062 FD_SET (curr->fd, &sfd);
3064 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3065 // their connection class.
3066 if ((TIME > curr->timeout) && (curr->registered != 7))
3068 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
3069 kill_link(curr,"Registration timeout");
3072 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3074 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
3075 curr->dns_done = true;
3077 FullConnectUser(curr);
3078 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3081 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
3083 log(DEBUG,"dns done, registered=3, and modules ready, OK");
3084 FullConnectUser(curr);
3085 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3088 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
3090 if ((!curr->lastping) && (curr->registered == 7))
3092 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
3093 kill_link(curr,"Ping timeout");
3096 Write(curr->fd,"PING :%s",ServerName);
3097 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
3099 curr->nping = TIME+curr->pingmax; // was hard coded to 120
3103 total_in_this_set++;
3107 endingiter = count2;
3108 count2 = xcount; // roll back to where we were
3110 // 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.
3111 // TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
3113 if (cycle_iter > 20) while (count2 != clientlist.end())
3116 if (count2 != clientlist.end())
3118 curr = count2->second;
3119 if ((long)curr == -1)
3121 int currfd = curr->fd;
3122 // we don't check the state of remote users.
3123 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
3126 curr->FlushWriteBuf();
3127 if (curr->GetWriteError() != "")
3129 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
3130 kill_link(curr,curr->GetWriteError().c_str());
3134 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3135 // their connection class.
3136 if ((TIME > curr->timeout) && (curr->registered != 7))
3138 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
3139 kill_link(curr,"Registration timeout");
3143 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3145 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
3146 curr->dns_done = true;
3148 FullConnectUser(curr);
3149 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3152 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3154 log(DEBUG,"dns done, registered=3, and modules ready, OK");
3155 FullConnectUser(curr);
3156 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
3159 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
3161 if ((!curr->lastping) && (curr->registered == 7))
3163 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
3164 kill_link(curr,"Ping timeout");
3167 Write(curr->fd,"PING :%s",ServerName);
3168 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
3170 curr->nping = TIME+curr->pingmax; // was hard coded to 120
3177 // increment the counter right to the end of the list, as kqueue processes everything in one go
3182 int i = epoll_wait(ep, event, 1, 5);
3185 log(DEBUG,"epoll_wait call: ep=%d, i=%d",ep,i);
3186 // EPOLL: we asked epoll_wait for ONE fd which is ready. Do something.
3187 userrec* cu = fd_ref_table[event[0].data.fd];
3192 // for now, we only read 1 event. We could read soooo many more :)
3193 int i = kevent(kq, NULL, 0, &ke, 1, &ts);
3196 log(DEBUG,"kevent call: kq=%d, i=%d",kq,i);
3197 // KQUEUE: kevent gives us ONE fd which is ready to have something done to it. Do something to it.
3198 userrec* cu = fd_ref_table[ke.ident];
3202 tval.tv_usec = 1000L;
3203 selectResult2 = select(FD_SETSIZE, &sfd, NULL, NULL, &tval);
3204 // now loop through all of the items in this pool if any are waiting
3205 if ((selectResult2 > 0) && (xcount != clientlist.end()))
3206 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
3208 // SELECT: we have to iterate...
3209 if (count2a == clientlist.end())
3211 userrec* cu = count2a->second;
3214 #ifdef _POSIX_PRIORITY_SCHEDULING
3219 // EPOLL: We already know we have a valid FD. No checks needed.
3220 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3223 // KQUEUE: We already know we have a valid FD. No checks needed.
3224 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3227 // SELECT: We don't know if our FD is valid.
3228 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
3231 log(DEBUG,"Data waiting on socket %d",cu->fd);
3234 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
3237 result = cu->ReadData(data, 65535);
3239 else result = result2;
3240 log(DEBUG,"Read result: %d",result);
3243 statsRecv += result;
3244 // perform a check on the raw buffer as an array (not a string!) to remove
3245 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
3246 // hopefully this should stop even more people whining about "Unknown command: *"
3247 for (int checker = 0; checker < result; checker++)
3249 if ((data[checker] == 0) || (data[checker] == 7))
3250 data[checker] = ' ';
3253 data[result] = '\0';
3254 userrec* current = cu;
3255 int currfd = current->fd;
3257 // add the data to the users buffer
3259 if (!current->AddBuffer(data))
3261 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
3262 if (current->registered == 7)
3264 kill_link(current,"RecvQ exceeded");
3268 WriteOpers("*** Excess flood from %s",current->ip);
3269 log(DEFAULT,"Excess flood from: %s",current->ip);
3270 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3275 if (current->recvq.length() > NetBufferSize)
3277 if (current->registered == 7)
3279 kill_link(current,"RecvQ exceeded");
3283 WriteOpers("*** Excess flood from %s",current->ip);
3284 log(DEFAULT,"Excess flood from: %s",current->ip);
3285 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3290 // while there are complete lines to process...
3291 while (current->BufferIsReady())
3294 if (TIME > current->reset_due)
3296 current->reset_due = TIME + current->threshold;
3297 current->lines_in = 0;
3299 current->lines_in++;
3300 if (current->lines_in > current->flood)
3302 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3303 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3304 kill_link(current,"Excess flood");
3307 if ((floodlines > current->flood) && (current->flood != 0))
3309 if (current->registered == 7)
3311 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3312 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3313 kill_link(current,"Excess flood");
3317 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3322 char sanitized[MAXBUF];
3323 // use GetBuffer to copy single lines into the sanitized string
3324 std::string single_line = current->GetBuffer();
3325 current->bytes_in += single_line.length();
3327 if (single_line.length()>512)
3329 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3330 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3331 kill_link(current,"Excess flood");
3334 strlcpy(sanitized,single_line.c_str(),MAXBUF);
3337 userrec* old_comp = fd_ref_table[currfd];
3338 // we're gonna re-scan to check if the nick is gone, after every
3339 // command - if it has, we're gonna bail
3340 process_buffer(sanitized,current);
3341 // look for the user's record in case it's changed... if theyve quit,
3342 // we cant do anything more with their buffer, so bail.
3343 // there used to be an ugly, slow loop here. Now we have a reference
3344 // table, life is much easier (and FASTER)
3345 userrec* new_comp = fd_ref_table[currfd];
3346 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
3354 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
3356 log(DEBUG,"killing: %s",cu->nick);
3357 kill_link(cu,strerror(errno));
3361 // result EAGAIN means nothing read
3362 if (result == EAGAIN)
3372 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
3373 kill_link(cu,"Client exited");
3374 // must bail here? kill_link removes the hash, corrupting the iterator
3375 log(DEBUG,"Bailing from client exit");
3381 else if (result > 0)
3386 for (int q = 0; q < total_in_this_set; q++)
3392 #ifdef _POSIX_PRIORITY_SCHEDULING
3397 // set up select call
3398 for (count = 0; count < boundPortCount; count++)
3400 FD_SET (openSockfd[count], &selectFds);
3403 tv.tv_usec = 30000L;
3404 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
3406 /* select is reporting a waiting socket. Poll them all to find out which */
3407 if (selectResult > 0)
3409 for (count = 0; count < boundPortCount; count++)
3411 if (FD_ISSET (openSockfd[count], &selectFds))
3416 ts.tv_nsec = 30000L;
3417 i = kevent(lkq, NULL, 0, ke_list, 32, &ts);
3418 if (i > 0) for (j = 0; j < i; j++)
3420 log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke_list[j].ident);
3421 // this isnt as efficient as it could be, we could create a reference table
3422 // to reference bound ports by fd, but this isnt a big bottleneck as the actual
3423 // number of listening ports on the average ircd is a small number (less than 20)
3424 // compared to the number of clients (possibly over 2000)
3425 for (count = 0; count < boundPortCount; count++)
3427 if (ke_list[j].ident == openSockfd[count])
3431 i = epoll_wait(lep, event, 32, EP_DELAY);
3432 if (i > 0) for (j = 0; j < i; j++)
3434 log(DEBUG,"epoll: Listening socket event, i=%d,events[j].data.fd=%d",i,event[j].data.fd);
3435 for (count = 0; count < boundPortCount; count++)
3437 if (event[j].data.fd == openSockfd[count])
3440 char target[MAXBUF], resolved[MAXBUF];
3441 length = sizeof (client);
3442 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
3444 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
3445 strlcpy (resolved, target, MAXBUF);
3447 if (incomingSockfd < 0)
3449 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
3450 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
3455 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
3457 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
3458 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
3465 #ifdef _POSIX_PRIORITY_SCHEDULING
3471 close (incomingSockfd);