1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
22 #include "inspircd_io.h"
23 #include "inspircd_util.h"
24 #include "inspircd_config.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
32 #include <sys/types.h>
33 #include <sys/event.h>
38 #include <sys/epoll.h>
45 #include <ext/hash_map>
54 #include "connection.h"
66 #include "inspstring.h"
68 #include "helperfuncs.h"
71 int LogLevel = DEFAULT;
72 char ServerName[MAXBUF];
74 char ServerDesc[MAXBUF];
75 char AdminName[MAXBUF];
76 char AdminEmail[MAXBUF];
77 char AdminNick[MAXBUF];
79 char restartpass[MAXBUF];
83 char PrefixQuit[MAXBUF];
84 char DieValue[MAXBUF];
85 char DNSServer[MAXBUF];
87 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
88 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
90 time_t startup_time = time(NULL);
91 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
92 extern int MaxWhoResults;
96 char DisabledCommands[MAXBUF];
98 bool AllowHalfop = true;
99 bool AllowProtect = true;
100 bool AllowFounder = true;
102 extern std::vector<Module*> modules;
103 std::vector<std::string> module_names;
104 extern std::vector<ircd_module*> factory;
107 int openSockfd[MAXSOCKS];
109 bool unlimitcore = false;
111 time_t TIME = time(NULL), OLDTIME = time(NULL);
121 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
122 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
123 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
124 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
125 typedef std::deque<command_t> command_table;
127 // This table references users by file descriptor.
128 // its an array to make it VERY fast, as all lookups are referenced
129 // by an integer, meaning there is no need for a scan/search operation.
130 userrec* fd_ref_table[65536];
132 int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
138 user_hash clientlist;
141 command_table cmdlist;
148 struct linger linger = { 0 };
149 char MyExecutable[1024];
150 int boundPortCount = 0;
151 int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
152 int defaultRoute = 0;
153 char ModPath[MAXBUF];
157 int has_channel(userrec *u, chanrec *c);
158 int usercount(chanrec *c);
159 int usercount_i(chanrec *c);
160 char* Passwd(userrec *user);
161 bool IsDenied(userrec *user);
162 void AddWhoWas(userrec* u);
164 std::vector<long> auth_cookies;
165 std::stringstream config_f(stringstream::in | stringstream::out);
167 std::vector<userrec*> all_opers;
171 void AddOper(userrec* user)
173 log(DEBUG,"Oper added to optimization list");
174 all_opers.push_back(user);
177 void DeleteOper(userrec* user)
179 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
183 log(DEBUG,"Oper removed from optimization list");
192 char Revision[] = "$Revision$";
195 char *v2 = strtok_r(s1," ",&savept);
197 v2 = strtok_r(s1," ",&savept);
199 return (long)(atof(v2)*10000);
203 std::string getservername()
208 std::string getserverdesc()
213 std::string getnetworkname()
218 std::string getadminname()
223 std::string getadminemail()
228 std::string getadminnick()
233 void ReadConfig(bool bail, userrec* user)
235 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
236 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF];
238 std::stringstream errstr;
240 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
245 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
253 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
254 while (!errstr.eof())
256 errstr.getline(dataline,1024);
257 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
262 WriteOpers("There were errors in the configuration file:",user->nick);
263 while (!errstr.eof())
265 errstr.getline(dataline,1024);
266 WriteOpers(dataline);
273 ConfValue("server","name",0,ServerName,&config_f);
274 ConfValue("server","description",0,ServerDesc,&config_f);
275 ConfValue("server","network",0,Network,&config_f);
276 ConfValue("admin","name",0,AdminName,&config_f);
277 ConfValue("admin","email",0,AdminEmail,&config_f);
278 ConfValue("admin","nick",0,AdminNick,&config_f);
279 ConfValue("files","motd",0,motd,&config_f);
280 ConfValue("files","rules",0,rules,&config_f);
281 ConfValue("power","diepass",0,diepass,&config_f);
282 ConfValue("power","pause",0,pauseval,&config_f);
283 ConfValue("power","restartpass",0,restartpass,&config_f);
284 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
285 ConfValue("die","value",0,DieValue,&config_f);
286 ConfValue("options","loglevel",0,dbg,&config_f);
287 ConfValue("options","netbuffersize",0,NB,&config_f);
288 ConfValue("options","maxwho",0,MW,&config_f);
289 ConfValue("options","allowhalfop",0,AH,&config_f);
290 ConfValue("options","allowprotect",0,AP,&config_f);
291 ConfValue("options","allowfounder",0,AF,&config_f);
292 ConfValue("dns","server",0,DNSServer,&config_f);
293 ConfValue("dns","timeout",0,DNT,&config_f);
294 ConfValue("options","moduledir",0,ModPath,&config_f);
295 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
297 NetBufferSize = atoi(NB);
298 MaxWhoResults = atoi(MW);
299 dns_timeout = atoi(DNT);
303 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
305 strlcpy(ModPath,MOD_PATH,MAXBUF);
306 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
307 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
308 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
309 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
311 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
312 NetBufferSize = 10240;
314 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
316 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
319 if (!strcmp(dbg,"debug"))
321 if (!strcmp(dbg,"verbose"))
323 if (!strcmp(dbg,"default"))
325 if (!strcmp(dbg,"sparse"))
327 if (!strcmp(dbg,"none"))
330 log(DEFAULT,"Reading message of the day...");
331 readfile(RULES,rules);
332 log(DEFAULT,"Reading connect classes...");
334 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
337 ConfValue("connect","allow",i,Value,&config_f);
338 ConfValue("connect","timeout",i,timeout,&config_f);
339 ConfValue("connect","flood",i,flood,&config_f);
340 ConfValue("connect","pingfreq",i,pfreq,&config_f);
341 ConfValue("connect","threshold",i,thold,&config_f);
342 ConfValue("connect","sendq",i,sqmax,&config_f);
343 ConfValue("connect","recvq",i,rqmax,&config_f);
346 strlcpy(c.host,Value,MAXBUF);
348 strlcpy(Value,"",MAXBUF);
349 ConfValue("connect","password",i,Value,&config_f);
350 strlcpy(c.pass,Value,MAXBUF);
351 c.registration_timeout = 90; // default is 2 minutes
353 c.flood = atoi(flood);
355 c.sendqmax = 262144; // 256k
356 c.recvqmax = 4096; // 4k
359 c.threshold = atoi(thold);
363 c.sendqmax = atoi(sqmax);
367 c.recvqmax = atoi(rqmax);
371 c.registration_timeout = atoi(timeout);
375 c.pingtime = atoi(pfreq);
377 Classes.push_back(c);
378 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);
382 ConfValue("connect","deny",i,Value,&config_f);
383 strlcpy(c.host,Value,MAXBUF);
385 Classes.push_back(c);
386 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
390 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
391 read_xline_defaults();
392 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
394 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
397 log(DEFAULT,"Adding and removing modules due to rehash...");
399 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
401 // store the old module names
402 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
404 old_module_names.push_back(*t);
407 // get the new module names
408 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
410 ConfValue("module","name",count2,Value,&config_f);
411 new_module_names.push_back(Value);
414 // now create a list of new modules that are due to be loaded
415 // and a seperate list of modules which are due to be unloaded
416 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
419 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
425 added_modules.push_back(*_new);
427 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
430 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
436 removed_modules.push_back(*oldm);
438 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
440 int rem = 0, add = 0;
441 if (!removed_modules.empty())
442 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
444 if (UnloadModule(removing->c_str()))
446 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
447 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
452 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
455 if (!added_modules.empty())
456 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
458 if (LoadModule(adding->c_str()))
460 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
461 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
466 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
469 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());
474 /* add a channel to a user, creating the record for it if needed and linking
475 * it to the user record */
477 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
479 if ((!user) || (!cn))
481 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
489 strncpy(cname,cn,MAXBUF);
491 // we MUST declare this wherever we use FOREACH_RESULT
494 if (strlen(cname) > CHANMAX-1)
496 cname[CHANMAX-1] = '\0';
499 log(DEBUG,"add_channel: %s %s",user->nick,cname);
501 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
503 return NULL; // already on the channel!
507 if (!FindChan(cname))
510 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
511 if (MOD_RESULT == 1) {
515 /* create a new one */
516 log(DEBUG,"add_channel: creating: %s",cname);
518 chanlist[cname] = new chanrec();
520 strlcpy(chanlist[cname]->name, cname,CHANMAX);
521 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
522 chanlist[cname]->created = TIME;
523 strcpy(chanlist[cname]->topic, "");
524 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
525 chanlist[cname]->topicset = 0;
526 Ptr = chanlist[cname];
527 log(DEBUG,"add_channel: created: %s",cname);
528 /* set created to 2 to indicate user
529 * is the first in the channel
530 * and should be given ops */
536 /* channel exists, just fish out a pointer to its struct */
537 Ptr = FindChan(cname);
540 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
542 // the override flag allows us to bypass channel modes
543 // and bans (used by servers)
544 if ((!override) || (!strcasecmp(user->server,ServerName)))
546 log(DEBUG,"Not overriding...");
548 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
549 if (MOD_RESULT == 1) {
552 log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
556 log(DEBUG,"add_channel: checking key, invite, etc");
558 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
563 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
566 log(DEBUG,"add_channel: no key given in JOIN");
567 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
572 if (strcasecmp(key,Ptr->key))
574 log(DEBUG,"add_channel: bad key given in JOIN");
575 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
580 log(DEBUG,"add_channel: no key");
583 FOREACH_RESULT(OnCheckInvite(user, Ptr));
586 if (Ptr->binarymodes & CM_INVITEONLY)
588 log(DEBUG,"add_channel: channel is +i");
589 if (user->IsInvited(Ptr->name))
591 /* user was invited to channel */
592 /* there may be an optional channel NOTICE here */
596 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
600 log(DEBUG,"add_channel: channel is not +i");
603 FOREACH_RESULT(OnCheckLimit(user, Ptr));
608 if (usercount(Ptr) >= Ptr->limit)
610 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
615 log(DEBUG,"add_channel: about to walk banlist");
617 FOREACH_RESULT(OnCheckBan(user, Ptr));
620 /* check user against the channel banlist */
623 if (Ptr->bans.size())
625 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
627 if (match(user->GetFullHost(),i->data))
629 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
635 log(DEBUG,"add_channel: bans checked");
643 user->RemoveInvite(Ptr->name);
646 log(DEBUG,"add_channel: invites removed");
651 log(DEBUG,"Overridden checks");
659 log(DEBUG,"Passed channel checks");
661 for (int index =0; index != MAXCHANS; index++)
663 log(DEBUG,"Check location %d",index);
664 if (user->chans[index].channel == NULL)
666 log(DEBUG,"Adding into their channel list at location %d",index);
670 /* first user in is given ops */
671 user->chans[index].uc_modes = UCMODE_OP;
675 user->chans[index].uc_modes = 0;
677 user->chans[index].channel = Ptr;
678 Ptr->AddUser((char*)user);
679 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
681 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
683 // use the stamdard J token with no privilages.
687 snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
691 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
693 NetSendToAll(buffer);
696 log(DEBUG,"Sent JOIN to client");
700 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
701 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
704 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
705 //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
706 //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
707 FOREACH_MOD OnUserJoin(user,Ptr);
711 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
712 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
716 /* remove a channel from a users record, and remove the record from memory
717 * if the channel has become empty */
719 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
721 if ((!user) || (!cname))
723 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
729 if ((!cname) || (!user))
734 Ptr = FindChan(cname);
741 FOREACH_MOD OnUserPart(user,Ptr);
742 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
744 for (int i =0; i != MAXCHANS; i++)
746 /* zap it from the channel list of the user */
747 if (user->chans[i].channel == Ptr)
751 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
756 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
757 NetSendToAll(buffer);
767 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
768 NetSendToAll(buffer);
771 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
773 user->chans[i].uc_modes = 0;
774 user->chans[i].channel = NULL;
775 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
780 Ptr->DelUser((char*)user);
782 /* if there are no users left on the channel */
785 chan_hash::iterator iter = chanlist.find(Ptr->name);
787 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
789 /* kill the record */
790 if (iter != chanlist.end())
792 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
794 chanlist.erase(iter);
800 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
802 if ((!src) || (!user) || (!Ptr) || (!reason))
804 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
808 if ((!Ptr) || (!user) || (!src))
813 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
815 if (!has_channel(user,Ptr))
817 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
822 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
823 if (MOD_RESULT == ACR_DENY)
826 if (MOD_RESULT == ACR_DEFAULT)
828 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
830 if (cstatus(src,Ptr) == STATUS_HOP)
832 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
836 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
844 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
848 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
850 for (int i =0; i != MAXCHANS; i++)
852 /* zap it from the channel list of the user */
853 if (user->chans[i].channel)
854 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
856 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
857 user->chans[i].uc_modes = 0;
858 user->chans[i].channel = NULL;
859 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
864 Ptr->DelUser((char*)user);
866 /* if there are no users left on the channel */
869 chan_hash::iterator iter = chanlist.find(Ptr->name);
871 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
873 /* kill the record */
874 if (iter != chanlist.end())
876 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
878 chanlist.erase(iter);
886 /* This function pokes and hacks at a parameter list like the following:
888 * PART #winbot,#darkgalaxy :m00!
890 * to turn it into a series of individual calls like this:
893 * PART #darkgalaxy :m00!
895 * The seperate calls are sent to a callback function provided by the caller
896 * (the caller will usually call itself recursively). The callback function
897 * must be a command handler. Calling this function on a line with no list causes
898 * no action to be taken. You must provide a starting and ending parameter number
899 * where the range of the list can be found, useful if you have a terminating
900 * parameter as above which is actually not part of the list, or parameters
901 * before the actual list as well. This code is used by many functions which
902 * can function as "one to list" (see the RFC) */
904 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
909 char blog[32][MAXBUF];
910 char blog2[32][MAXBUF];
911 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
915 for (int i = 0; i <32; i++)
918 for (int i = 0; i <32; i++)
922 for (int i = 0; i <10; i++)
931 if (pcnt > 1) /* we have a key to copy */
933 strlcpy(keystr,parameters[1],MAXBUF);
937 if (!parameters[start])
941 if (!strchr(parameters[start],','))
946 for (int i = start; i <= end; i++)
950 strlcat(plist,parameters[i],MAXBUF);
958 for (int i = 0; i < t; i++)
963 strlcpy(blog[j++],param,MAXBUF);
967 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
972 strlcpy(blog[j++],param,MAXBUF);
975 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
980 if ((joins) && (keystr))
982 if (strchr(keystr,','))
987 for (int i = 0; i < t2; i++)
989 if (keystr[i] == ',')
992 strlcpy(blog2[j++],param,MAXBUF);
996 strlcpy(blog2[j++],param,MAXBUF);
1001 for (j = 0; j < total; j++)
1007 for (q = end; q < pcnt-1; q++)
1009 if (parameters[q+1])
1011 pars[q-end+1] = parameters[q+1];
1014 if ((joins) && (parameters[1]))
1025 /* repeatedly call the function with the hacked parameter list */
1026 if ((joins) && (pcnt > 1))
1030 // pars[1] already set up and containing key from blog2[j]
1035 pars[1] = parameters[1];
1041 fn(pars,pcnt-(end-start),u);
1050 void kill_link(userrec *user,const char* r)
1052 user_hash::iterator iter = clientlist.find(user->nick);
1054 char reason[MAXBUF];
1056 strncpy(reason,r,MAXBUF);
1058 if (strlen(reason)>MAXQUIT)
1060 reason[MAXQUIT-1] = '\0';
1063 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1064 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1065 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1067 if (user->registered == 7) {
1068 FOREACH_MOD OnUserQuit(user);
1069 WriteCommonExcept(user,"QUIT :%s",reason);
1071 // Q token must go to ALL servers!!!
1072 char buffer[MAXBUF];
1073 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1074 NetSendToAll(buffer);
1077 FOREACH_MOD OnUserDisconnect(user);
1081 FOREACH_MOD OnRawSocketClose(user->fd);
1084 EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
1085 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1088 log(DEBUG,"kqueue: Failed to remove user from queue!");
1092 struct epoll_event ev;
1093 ev.events = EPOLLIN | EPOLLET;
1094 ev.data.fd = user->fd;
1095 int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
1098 log(DEBUG,"epoll: List deletion failure!");
1101 shutdown(user->fd,2);
1105 if (user->registered == 7) {
1106 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1110 if (user->registered == 7) {
1111 purge_empty_chans(user);
1114 if (iter != clientlist.end())
1116 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1118 fd_ref_table[user->fd] = NULL;
1119 clientlist.erase(iter);
1124 void kill_link_silent(userrec *user,const char* r)
1126 user_hash::iterator iter = clientlist.find(user->nick);
1128 char reason[MAXBUF];
1130 strncpy(reason,r,MAXBUF);
1132 if (strlen(reason)>MAXQUIT)
1134 reason[MAXQUIT-1] = '\0';
1137 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1138 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1139 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1141 if (user->registered == 7) {
1142 FOREACH_MOD OnUserQuit(user);
1143 WriteCommonExcept(user,"QUIT :%s",reason);
1145 // Q token must go to ALL servers!!!
1146 char buffer[MAXBUF];
1147 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1148 NetSendToAll(buffer);
1151 FOREACH_MOD OnUserDisconnect(user);
1155 FOREACH_MOD OnRawSocketClose(user->fd);
1158 EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
1159 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1162 log(DEBUG,"kqueue: Failed to remove user from queue!");
1166 struct epoll_event ev;
1167 ev.events = EPOLLIN | EPOLLET;
1168 ev.data.fd = user->fd;
1169 int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
1172 log(DEBUG,"epoll: List deletion failure!");
1175 shutdown(user->fd,2);
1179 if (user->registered == 7) {
1180 purge_empty_chans(user);
1183 if (iter != clientlist.end())
1185 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1187 fd_ref_table[user->fd] = NULL;
1188 clientlist.erase(iter);
1194 int main(int argc, char** argv)
1198 log(DEBUG,"*** InspIRCd starting up!");
1199 if (!FileExists(CONFIG_FILE))
1201 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
1202 log(DEFAULT,"main: no config");
1203 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
1207 for (int i = 1; i < argc; i++)
1209 if (!strcmp(argv[i],"-nofork")) {
1212 if (!strcmp(argv[i],"-wait")) {
1215 if (!strcmp(argv[i],"-nolimit")) {
1220 strlcpy(MyExecutable,argv[0],MAXBUF);
1222 // initialize the lowercase mapping table
1223 for (int cn = 0; cn < 256; cn++)
1225 // lowercase the uppercase chars
1226 for (int cn = 65; cn < 91; cn++)
1227 lowermap[cn] = tolower(cn);
1228 // now replace the specific chars for scandanavian comparison
1229 lowermap['['] = '{';
1230 lowermap[']'] = '}';
1231 lowermap['\\'] = '|';
1233 if (InspIRCd(argv,argc) == ERROR)
1235 log(DEFAULT,"main: daemon function bailed");
1236 printf("ERROR: could not initialise. Shutting down.\n");
1243 template<typename T> inline string ConvToStr(const T &in)
1246 if (!(tmp << in)) return string();
1250 /* re-allocates a nick in the user_hash after they change nicknames,
1251 * returns a pointer to the new user as it may have moved */
1253 userrec* ReHashNick(char* Old, char* New)
1255 //user_hash::iterator newnick;
1256 user_hash::iterator oldnick = clientlist.find(Old);
1258 log(DEBUG,"ReHashNick: %s %s",Old,New);
1260 if (!strcasecmp(Old,New))
1262 log(DEBUG,"old nick is new nick, skipping");
1263 return oldnick->second;
1266 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
1268 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
1270 userrec* olduser = oldnick->second;
1271 clientlist[New] = olduser;
1272 clientlist.erase(oldnick);
1274 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
1276 return clientlist[New];
1279 /* adds or updates an entry in the whowas list */
1280 void AddWhoWas(userrec* u)
1282 whowas_hash::iterator iter = whowas.find(u->nick);
1283 WhoWasUser *a = new WhoWasUser();
1284 strlcpy(a->nick,u->nick,NICKMAX);
1285 strlcpy(a->ident,u->ident,15);
1286 strlcpy(a->dhost,u->dhost,160);
1287 strlcpy(a->host,u->host,160);
1288 strlcpy(a->fullname,u->fullname,128);
1289 strlcpy(a->server,u->server,256);
1290 a->signon = u->signon;
1292 /* MAX_WHOWAS: max number of /WHOWAS items
1293 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
1294 * can be replaced by a newer one
1297 if (iter == whowas.end())
1299 if (whowas.size() >= WHOWAS_MAX)
1301 for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
1303 // 3600 seconds in an hour ;)
1304 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
1306 // delete the old one
1307 if (i->second) delete i->second;
1308 // replace with new one
1310 log(DEBUG,"added WHOWAS entry, purged an old record");
1314 // no space left and user doesnt exist. Don't leave ram in use!
1315 log(DEBUG,"Not able to update whowas (list at WHOWAS_MAX entries and trying to add new?), freeing excess ram");
1320 log(DEBUG,"added fresh WHOWAS entry");
1321 whowas[a->nick] = a;
1326 log(DEBUG,"updated WHOWAS entry");
1327 if (iter->second) delete iter->second;
1333 /* add a client connection to the sockets list */
1334 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
1338 user_hash::iterator iter;
1340 tempnick = ConvToStr(socket) + "-unknown";
1341 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
1343 iter = clientlist.find(tempnick);
1346 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
1347 // using one as a registered connection. As theyre per fd, we can also safely assume
1348 // that we wont have collisions. Therefore, if the nick exists in the list, its only
1349 // used by a dead socket, erase the iterator so that the new client may reclaim it.
1350 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
1351 // issue in earlier alphas/betas
1352 if (iter != clientlist.end())
1354 userrec* goner = iter->second;
1356 clientlist.erase(iter);
1360 * It is OK to access the value here this way since we know
1361 * it exists, we just created it above.
1363 * At NO other time should you access a value in a map or a
1364 * hash_map this way.
1366 clientlist[tempnick] = new userrec();
1368 NonBlocking(socket);
1369 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
1371 clientlist[tempnick]->fd = socket;
1372 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
1373 strncpy(clientlist[tempnick]->host, host,160);
1374 strncpy(clientlist[tempnick]->dhost, host,160);
1375 strncpy(clientlist[tempnick]->server, ServerName,256);
1376 strncpy(clientlist[tempnick]->ident, "unknown",15);
1377 clientlist[tempnick]->registered = 0;
1378 clientlist[tempnick]->signon = TIME+dns_timeout;
1379 clientlist[tempnick]->lastping = 1;
1380 clientlist[tempnick]->port = port;
1381 strncpy(clientlist[tempnick]->ip,ip,16);
1383 // set the registration timeout for this user
1384 unsigned long class_regtimeout = 90;
1385 int class_flood = 0;
1386 long class_threshold = 5;
1387 long class_sqmax = 262144; // 256kb
1388 long class_rqmax = 4096; // 4k
1390 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1392 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
1394 class_regtimeout = (unsigned long)i->registration_timeout;
1395 class_flood = i->flood;
1396 clientlist[tempnick]->pingmax = i->pingtime;
1397 class_threshold = i->threshold;
1398 class_sqmax = i->sendqmax;
1399 class_rqmax = i->recvqmax;
1404 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
1405 clientlist[tempnick]->timeout = TIME+class_regtimeout;
1406 clientlist[tempnick]->flood = class_flood;
1407 clientlist[tempnick]->threshold = class_threshold;
1408 clientlist[tempnick]->sendqmax = class_sqmax;
1409 clientlist[tempnick]->recvqmax = class_rqmax;
1411 for (int i = 0; i < MAXCHANS; i++)
1413 clientlist[tempnick]->chans[i].channel = NULL;
1414 clientlist[tempnick]->chans[i].uc_modes = 0;
1417 if (clientlist.size() == MAXCLIENTS)
1419 kill_link(clientlist[tempnick],"No more connections allowed in this class");
1423 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1424 // its a pretty big but for the moment valid assumption:
1425 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
1426 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1427 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
1428 // which for the time being is a physical impossibility (even the largest networks dont have more
1429 // than about 10,000 users on ONE server!)
1432 kill_link(clientlist[tempnick],"Server is full");
1437 char* e = matches_exception(ip);
1440 char* r = matches_zline(ip);
1443 char reason[MAXBUF];
1444 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
1445 kill_link(clientlist[tempnick],reason);
1449 fd_ref_table[socket] = clientlist[tempnick];
1452 struct epoll_event ev;
1453 log(DEBUG,"epoll: Adduser to events, ep=%d socket=%d",ep,socket);
1454 ev.events = EPOLLIN | EPOLLET;
1455 ev.data.fd = socket;
1456 int i = epoll_ctl(ep, EPOLL_CTL_ADD, socket, &ev);
1459 log(DEBUG,"epoll: List insertion failure!");
1464 log(DEBUG,"kqueue: Add user to events, kq=%d socket=%d",kq,socket);
1465 EV_SET(&ke, socket, EVFILT_READ, EV_ADD, 0, 0, NULL);
1466 int i = kevent(kq, &ke, 1, 0, 0, NULL);
1469 log(DEBUG,"kqueue: List insertion failure!");
1475 /* shows the message of the day, and any other on-logon stuff */
1476 void FullConnectUser(userrec* user)
1479 user->idle_lastmsg = TIME;
1480 log(DEBUG,"ConnectUser: %s",user->nick);
1482 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
1484 kill_link(user,"Invalid password");
1489 kill_link(user,"Unauthorised connection");
1493 char match_against[MAXBUF];
1494 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
1495 char* e = matches_exception(match_against);
1498 char* r = matches_gline(match_against);
1501 char reason[MAXBUF];
1502 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1503 kill_link_silent(user,reason);
1506 r = matches_kline(user->host);
1509 char reason[MAXBUF];
1510 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1511 kill_link_silent(user,reason);
1516 // fix by brain: move this below the xline checks to prevent spurious quits going onto the net that dont belong
1517 user->registered = 7;
1519 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
1520 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
1521 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
1522 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
1523 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
1524 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
1525 std::stringstream v;
1526 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
1527 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
1528 v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
1530 std::string data005 = v.str();
1531 FOREACH_MOD On005Numeric(data005);
1532 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1533 // so i'd better split it :)
1534 std::stringstream out(data005);
1535 std::string token = "";
1536 std::string line5 = "";
1537 int token_counter = 0;
1541 line5 = line5 + token + " ";
1543 if ((token_counter >= 13) || (out.eof() == true))
1545 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
1552 char buffer[MAXBUF];
1553 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);
1554 NetSendToAll(buffer);
1556 // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
1557 FOREACH_MOD OnUserConnect(user);
1558 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
1562 /* shows the message of the day, and any other on-logon stuff */
1563 void ConnectUser(userrec *user)
1565 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
1566 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
1568 FullConnectUser(user);
1572 std::string GetVersionString()
1574 char Revision[] = "$Revision$";
1575 char versiondata[MAXBUF];
1576 char *s1 = Revision;
1578 char *v2 = strtok_r(s1," ",&savept);
1580 v2 = strtok_r(s1," ",&savept);
1583 char socketengine[] = "kqueue";
1586 char socketengine[] = "select";
1589 char socketengine[] = "epoll";
1591 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
1595 void handle_version(char **parameters, int pcnt, userrec *user)
1599 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1603 if (!strcmp(parameters[0],"*"))
1605 for (int j = 0; j < 32; j++)
1609 for (int x = 0; x < me[j]->connectors.size(); x++)
1611 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());
1617 if (match(ServerName,parameters[0]))
1619 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1622 bool displayed = false, found = false;
1623 for (int j = 0; j < 32; j++)
1627 for (int x = 0; x < me[j]->connectors.size(); x++)
1629 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1632 if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
1635 WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
1641 if ((!displayed) && (found))
1643 WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
1648 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
1655 // calls a handler function for a command
1657 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
1659 for (int i = 0; i < cmdlist.size(); i++)
1661 if (!strcasecmp(cmdlist[i].command,commandname))
1663 if (cmdlist[i].handler_function)
1665 if (pcnt>=cmdlist[i].min_params)
1667 if (strchr(user->modes,cmdlist[i].flags_needed))
1669 cmdlist[i].handler_function(parameters,pcnt,user);
1677 void DoSplitEveryone()
1679 bool go_again = true;
1683 for (int i = 0; i < 32; i++)
1687 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
1689 if (strcasecmp(j->GetServerName().c_str(),ServerName))
1692 j->CloseConnection();
1693 me[i]->connectors.erase(j);
1701 log(DEBUG,"Removed server. Will remove clients...");
1702 // iterate through the userlist and remove all users on this server.
1703 // because we're dealing with a mesh, we dont have to deal with anything
1704 // "down-route" from this server (nice huh)
1706 char reason[MAXBUF];
1710 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
1712 if (strcasecmp(u->second->server,ServerName))
1714 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
1715 kill_link(u->second,reason);
1725 void force_nickchange(userrec* user,const char* newnick)
1732 FOREACH_RESULT(OnUserPreNick(user,newnick));
1735 kill_link(user,"Nickname collision");
1738 if (matches_qline(newnick))
1741 kill_link(user,"Nickname collision");
1749 strncpy(nick,newnick,MAXBUF);
1751 if (user->registered == 7)
1755 handle_nick(pars,1,user);
1761 int process_parameters(char **command_p,char *parameters)
1764 int q = strlen(parameters);
1767 /* no parameters, command_p invalid! */
1770 if (parameters[0] == ':')
1772 command_p[0] = parameters+1;
1777 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
1779 /* only one parameter */
1780 command_p[0] = parameters;
1781 if (parameters[0] == ':')
1783 if (strchr(parameters,' ') != NULL)
1791 command_p[j++] = parameters;
1792 for (int i = 0; i <= q; i++)
1794 if (parameters[i] == ' ')
1796 command_p[j++] = parameters+i+1;
1797 parameters[i] = '\0';
1798 if (command_p[j-1][0] == ':')
1800 *command_p[j-1]++; /* remove dodgy ":" */
1802 /* parameter like this marks end of the sequence */
1806 return j; /* returns total number of items in the list */
1809 void process_command(userrec *user, char* cmd)
1813 char *command_p[127];
1814 char p[MAXBUF], temp[MAXBUF];
1815 int j, items, cmd_found;
1817 for (int i = 0; i < 127; i++)
1818 command_p[i] = NULL;
1833 int total_params = 0;
1836 for (int q = 0; q < strlen(cmd)-1; q++)
1838 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
1841 // found a 'trailing', we dont count them after this.
1849 // another phidjit bug...
1850 if (total_params > 126)
1852 *(strchr(cmd,' ')) = '\0';
1853 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
1857 strlcpy(temp,cmd,MAXBUF);
1859 std::string tmp = cmd;
1860 for (int i = 0; i <= MODCOUNT; i++)
1862 std::string oldtmp = tmp;
1863 modules[i]->OnServerRaw(tmp,true,user);
1866 log(DEBUG,"A Module changed the input string!");
1867 log(DEBUG,"New string: %s",tmp.c_str());
1868 log(DEBUG,"Old string: %s",oldtmp.c_str());
1872 strlcpy(cmd,tmp.c_str(),MAXBUF);
1873 strlcpy(temp,cmd,MAXBUF);
1875 if (!strchr(cmd,' '))
1877 /* no parameters, lets skip the formalities and not chop up
1879 log(DEBUG,"About to preprocess command with no params");
1881 command_p[0] = NULL;
1883 for (int i = 0; i <= strlen(cmd); i++)
1885 cmd[i] = toupper(cmd[i]);
1893 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
1894 for (int i = 0; i < strlen(temp); i++)
1896 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
1902 /* split the full string into a command plus parameters */
1906 if (strchr(cmd,' '))
1908 for (int i = 0; i <= strlen(cmd); i++)
1910 /* capitalise the command ONLY, leave params intact */
1911 cmd[i] = toupper(cmd[i]);
1912 /* are we nearly there yet?! :P */
1916 parameters = cmd+i+1;
1924 for (int i = 0; i <= strlen(cmd); i++)
1926 cmd[i] = toupper(cmd[i]);
1933 if (strlen(command)>MAXCOMMAND)
1935 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
1939 for (int x = 0; x < strlen(command); x++)
1941 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
1943 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
1945 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
1948 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
1955 for (int i = 0; i != cmdlist.size(); i++)
1957 if (cmdlist[i].command[0])
1959 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
1965 items = process_parameters(command_p,parameters);
1970 command_p[0] = NULL;
1976 command_p[0] = NULL;
1981 /* activity resets the ping pending timer */
1982 user->nping = TIME + user->pingmax;
1983 if ((items) < cmdlist[i].min_params)
1985 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
1986 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
1989 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
1991 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1992 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
1996 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
1998 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1999 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
2003 /* if the command isnt USER, PASS, or NICK, and nick is empty,
2005 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
2007 if ((!isnick(user->nick)) || (user->registered != 7))
2009 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2010 WriteServ(user->fd,"451 %s :You have not registered",command);
2014 if ((user->registered == 7) && (!strchr(user->modes,'o')))
2018 mycmd = strtok_r(DisabledCommands," ",&savept2);
2021 if (!strcasecmp(mycmd,command))
2023 // command is disabled!
2024 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
2027 mycmd = strtok_r(NULL," ",&savept2);
2032 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
2034 if (cmdlist[i].handler_function)
2037 /* ikky /stats counters */
2040 cmdlist[i].use_count++;
2041 cmdlist[i].total_bytes+=strlen(temp);
2045 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
2046 if (MOD_RESULT == 1) {
2050 /* WARNING: nothing may come after the
2051 * command handler call, as the handler
2052 * may free the user structure! */
2054 cmdlist[i].handler_function(command_p,items,user);
2060 WriteServ(user->fd,"451 %s :You have not registered",command);
2068 if ((!cmd_found) && (user))
2071 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2075 bool removecommands(const char* source)
2077 bool go_again = true;
2081 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
2083 if (!strcmp(i->source,source))
2085 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
2096 void process_buffer(const char* cmdbuf,userrec *user)
2100 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2106 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2113 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
2115 strlcpy(cmd,cmdbuf,MAXBUF);
2120 int sl = strlen(cmd)-1;
2121 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2126 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2131 while (cmd[sl] == ' ') // strip trailing spaces
2141 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
2143 if ((user) && (cmd))
2145 process_command(user,cmd);
2149 void DoSync(serverrec* serv, char* tcp_host)
2152 log(DEBUG,"Sending sync");
2153 // send start of sync marker: Y <timestamp>
2154 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
2155 // except the ones its receiving it from.
2156 snprintf(data,MAXBUF,"%s Y %lu",CreateSum().c_str(),(unsigned long)TIME);
2157 serv->SendPacket(data,tcp_host);
2158 // send users and channels
2160 NetSendMyRoutingTable();
2162 // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
2163 for (int j = 0; j < 32; j++)
2167 for (int k = 0; k < me[j]->connectors.size(); k++)
2169 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
2171 snprintf(data,MAXBUF,"%s H %s",CreateSum().c_str(),me[j]->connectors[k].GetServerName().c_str());
2172 serv->SendPacket(data,tcp_host);
2178 // send our version for the remote side to cache
2179 snprintf(data,MAXBUF,"%s v %s %s",CreateSum().c_str(),ServerName,GetVersionString().c_str());
2180 serv->SendPacket(data,tcp_host);
2182 // sync the users and channels, give the modules a look-in.
2183 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
2185 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);
2186 serv->SendPacket(data,tcp_host);
2187 if (strchr(u->second->modes,'o'))
2189 snprintf(data,MAXBUF,"%s | %s %s",CreateSum().c_str(),u->second->nick,u->second->oper);
2190 serv->SendPacket(data,tcp_host);
2192 for (int i = 0; i <= MODCOUNT; i++)
2194 string_list l = modules[i]->OnUserSync(u->second);
2195 for (int j = 0; j < l.size(); j++)
2197 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2198 serv->SendPacket(data,tcp_host);
2201 char* chl = chlist(u->second,u->second);
2204 snprintf(data,MAXBUF,"%s J %s %s",CreateSum().c_str(),u->second->nick,chl);
2205 serv->SendPacket(data,tcp_host);
2208 // send channel modes, topics etc...
2209 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
2211 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
2212 serv->SendPacket(data,tcp_host);
2213 for (int i = 0; i <= MODCOUNT; i++)
2215 string_list l = modules[i]->OnChannelSync(c->second);
2216 for (int j = 0; j < l.size(); j++)
2218 snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
2219 serv->SendPacket(data,tcp_host);
2222 if (c->second->topic[0])
2224 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);
2225 serv->SendPacket(data,tcp_host);
2227 // send current banlist
2229 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
2231 snprintf(data,MAXBUF,"%s M %s +b %s",CreateSum().c_str(),c->second->name,b->data);
2232 serv->SendPacket(data,tcp_host);
2235 // sync global zlines, glines, etc
2236 sync_xlines(serv,tcp_host);
2238 snprintf(data,MAXBUF,"%s F %lu",CreateSum().c_str(),(unsigned long)TIME);
2239 serv->SendPacket(data,tcp_host);
2240 log(DEBUG,"Sent sync");
2241 // ircd sends its serverlist after the end of sync here
2245 void NetSendMyRoutingTable()
2247 // send out a line saying what is reachable to us.
2248 // E.g. if A is linked to B C and D, send out:
2250 // if its only linked to B and D send out:
2252 // if it has no links, dont even send out the line at all.
2253 char buffer[MAXBUF];
2254 snprintf(buffer,MAXBUF,"$ %s",ServerName);
2255 bool sendit = false;
2256 for (int i = 0; i < 32; i++)
2260 for (int j = 0; j < me[i]->connectors.size(); j++)
2262 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
2264 strlcat(buffer," ",MAXBUF);
2265 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
2272 NetSendToAll(buffer);
2276 void DoSplit(const char* params)
2278 bool go_again = true;
2282 for (int i = 0; i < 32; i++)
2286 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2288 if (!strcasecmp(j->GetServerName().c_str(),params))
2291 j->CloseConnection();
2292 me[i]->connectors.erase(j);
2300 log(DEBUG,"Removed server. Will remove clients...");
2301 // iterate through the userlist and remove all users on this server.
2302 // because we're dealing with a mesh, we dont have to deal with anything
2303 // "down-route" from this server (nice huh)
2305 char reason[MAXBUF];
2306 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2310 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2312 if (!strcasecmp(u->second->server,params))
2314 kill_link(u->second,reason);
2322 // removes a server. Will NOT remove its users!
2324 void RemoveServer(const char* name)
2326 bool go_again = true;
2330 for (int i = 0; i < 32; i++)
2334 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2336 if (!strcasecmp(j->GetServerName().c_str(),name))
2339 j->CloseConnection();
2340 me[i]->connectors.erase(j);
2351 char MODERR[MAXBUF];
2358 void erase_factory(int j)
2361 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
2366 factory.push_back(NULL);
2373 void erase_module(int j)
2376 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
2382 modules.push_back(NULL);
2388 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
2392 module_names.erase(v);
2400 bool UnloadModule(const char* filename)
2402 std::string filename_str = filename;
2403 for (int j = 0; j != module_names.size(); j++)
2405 if (module_names[j] == filename_str)
2407 if (modules[j]->GetVersion().Flags & VF_STATIC)
2409 log(DEFAULT,"Failed to unload STATIC module %s",filename);
2410 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
2414 log(DEBUG,"Deleting module...");
2416 log(DEBUG,"Erasing module entry...");
2418 log(DEBUG,"Removing dependent commands...");
2419 removecommands(filename);
2420 log(DEFAULT,"Module %s unloaded",filename);
2425 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
2426 snprintf(MODERR,MAXBUF,"Module not loaded");
2430 bool LoadModule(const char* filename)
2432 char modfile[MAXBUF];
2433 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
2434 std::string filename_str = filename;
2435 if (!DirValid(modfile))
2437 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
2438 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
2441 log(DEBUG,"Loading module: %s",modfile);
2442 if (FileExists(modfile))
2444 for (int j = 0; j < module_names.size(); j++)
2446 if (module_names[j] == filename_str)
2448 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
2449 snprintf(MODERR,MAXBUF,"Module already loaded");
2453 ircd_module* a = new ircd_module(modfile);
2454 factory[MODCOUNT+1] = a;
2455 if (factory[MODCOUNT+1]->LastError())
2457 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
2458 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
2462 if (factory[MODCOUNT+1]->factory)
2464 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
2465 modules[MODCOUNT+1] = m;
2466 /* save the module and the module's classfactory, if
2467 * this isnt done, random crashes can occur :/ */
2468 module_names.push_back(filename);
2472 log(DEFAULT,"Unable to load %s",modfile);
2473 snprintf(MODERR,MAXBUF,"Factory function failed!");
2479 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
2480 snprintf(MODERR,MAXBUF,"Module file could not be found");
2487 int InspIRCd(char** argv, int argc)
2489 struct sockaddr_in client,server;
2490 char addrs[MAXBUF][255];
2491 int incomingSockfd, result = TRUE;
2494 int selectResult = 0, selectResult2 = 0;
2495 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
2499 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
2500 log_file = fopen(logpath.c_str(),"a+");
2503 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
2506 printf("Logging to %s...\n",logpath.c_str());
2508 log(DEFAULT,"$Id$");
2511 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
2513 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
2515 SetupCommandTable();
2516 log(DEBUG,"InspIRCd: startup: default command table set up");
2518 ReadConfig(true,NULL);
2521 printf("WARNING: %s\n\n",DieValue);
2522 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
2525 log(DEBUG,"InspIRCd: startup: read config");
2527 int clientportcount = 0, serverportcount = 0;
2529 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
2531 ConfValue("bind","port",count,configToken,&config_f);
2532 ConfValue("bind","address",count,Addr,&config_f);
2533 ConfValue("bind","type",count,Type,&config_f);
2534 if (!strcmp(Type,"servers"))
2536 char Default[MAXBUF];
2537 strcpy(Default,"no");
2538 ConfValue("bind","default",count,Default,&config_f);
2539 if (strchr(Default,'y'))
2541 defaultRoute = serverportcount;
2542 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
2544 me[serverportcount] = new serverrec(ServerName,100L,false);
2545 if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
2547 log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
2548 printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
2557 ports[clientportcount] = atoi(configToken);
2558 strlcpy(addrs[clientportcount],Addr,256);
2561 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
2563 portCount = clientportcount;
2564 SERVERportCount = serverportcount;
2566 log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)SERVERportCount);
2567 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
2571 /* BugFix By Craig! :p */
2573 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
2575 ConfValue("module","name",count,configToken,&config_f);
2576 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
2577 if (!LoadModule(configToken))
2579 log(DEFAULT,"Exiting due to a module loader error.");
2580 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
2584 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
2586 startup_time = time(NULL);
2589 ConfValue("pid","file",0,PID,&config_f);
2590 // write once here, to try it out and make sure its ok
2593 /* setup select call */
2595 FD_ZERO(&selectFds);
2597 log(DEBUG,"InspIRCd: startup: zero selects");
2598 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
2600 for (count = 0; count < portCount; count++)
2602 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
2604 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
2607 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
2609 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
2611 else /* well we at least bound to one socket so we'll continue */
2617 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
2619 /* if we didn't bind to anything then abort */
2620 if (boundPortCount == 0)
2622 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
2623 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
2628 printf("\nInspIRCd is now running!\n");
2632 log(VERBOSE,"Not forking as -nofork was specified");
2636 if (DaemonSeed() == ERROR)
2638 log(DEFAULT,"InspIRCd: startup: can't daemonise");
2639 printf("ERROR: could not go into daemon mode. Shutting down.\n");
2644 // BUGFIX: We cannot initialize this before forking, as the kqueue data is not inherited by child processes!
2649 if ((kq == -1) || (lkq == -1) || (skq == -1))
2651 log(DEFAULT,"main: kqueue() failed!");
2652 printf("ERROR: could not initialise kqueue event system. Shutting down.\n");
2658 ep = epoll_create(MAXCLIENTS);
2659 lep = epoll_create(32);
2660 sep = epoll_create(128);
2661 if ((ep == -1) || (lep == -1) || (sep == -1))
2663 log(DEFAULT,"main: epoll_create() failed!");
2664 printf("ERROR: could not initialise epoll event system. Shutting down.\n");
2670 log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount);
2671 for (count = 0; count < boundPortCount; count++)
2673 struct epoll_event ev;
2674 log(DEBUG,"epoll: Add listening socket to events, ep=%d socket=%d",lep,openSockfd[count]);
2675 ev.events = EPOLLIN | EPOLLET;
2676 ev.data.fd = openSockfd[count];
2677 int i = epoll_ctl(lep, EPOLL_CTL_ADD, openSockfd[count], &ev);
2680 log(DEFAULT,"main: add listen ports, epoll_ctl failed!");
2681 printf("ERROR: could not initialise listening sockets in epoll list. Shutting down.\n");
2686 for (int t = 0; t != SERVERportCount; t++)
2688 struct epoll_event ev;
2689 log(DEBUG,"epoll: Add listening server socket to events, ep=%d socket=%d",sep,me[t]->fd);
2690 ev.events = EPOLLIN | EPOLLET;
2691 ev.data.fd = me[t]->fd;
2692 int i = epoll_ctl(sep, EPOLL_CTL_ADD, me[t]->fd, &ev);
2695 log(DEFAULT,"main: add server listen ports, epoll_ctl failed!");
2696 printf("ERROR: could not initialise server listening sockets in epoll list. Shutting down.\n");
2702 log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
2703 for (count = 0; count < boundPortCount; count++)
2706 log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]);
2707 EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, 32, NULL);
2708 int i = kevent(lkq, &ke, 1, 0, 0, NULL);
2711 log(DEFAULT,"main: add listen ports to kqueue failed!");
2712 printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n");
2716 for (int t = 0; t != SERVERportCount; t++)
2721 log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd);
2722 EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, 32, NULL);
2723 int i = kevent(skq, &ke, 1, 0, 0, NULL);
2726 log(DEFAULT,"main: add server listen ports to kqueue failed!");
2727 printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n");
2735 log(DEFAULT,"Using standard select socket engine.");
2741 length = sizeof (client);
2742 char tcp_msg[MAXBUF],tcp_host[MAXBUF],tcp_sum[MAXBUF];
2746 struct kevent ke_list[33];
2750 struct epoll_event event[33];
2754 tvs.tv_usec = 10000L;
2757 tv.tv_usec = 10000L;
2761 tval.tv_usec = 10000L;
2763 int total_in_this_set = 0;
2764 int i = 0, v = 0, j = 0, cycle_iter = 0;
2765 bool expire_run = false;
2767 /* main loop, this never returns */
2770 #ifdef _POSIX_PRIORITY_SCHEDULING
2776 // we only read time() once per iteration rather than tons of times!
2782 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
2783 // them in a list, then reap the list every second or so.
2784 if (((TIME % 5) == 0) && (!expire_run))
2787 FOREACH_MOD OnBackgroundTimer(TIME);
2791 if ((TIME % 5) == 1)
2794 // fix by brain - this must be below any manipulation of the hashmap by modules
2795 user_hash::iterator count2 = clientlist.begin();
2798 i = epoll_wait(sep, event, 1, EP_DELAY*2);
2799 #ifdef _POSIX_PRIORITY_SCHEDULING
2804 log(DEBUG,"epoll: Listening server socket event, i=%d, event.data.fd=%d",i,event[0].data.fd);
2805 for (int x = 0; x != SERVERportCount; x++)
2807 if ((me[x]) && (event[0].data.fd == me[x]->fd))
2812 ts.tv_nsec = 30000L;
2813 i = kevent(skq, NULL, 0, &ke, 1, &ts);
2816 log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident);
2817 for (int x = 0; x != SERVERportCount; x++)
2819 if ((me[x]) && (ke.ident == me[x]->fd))
2824 FD_ZERO(&serverfds);
2825 for (int x = 0; x != SERVERportCount; x++)
2828 FD_SET(me[x]->fd, &serverfds);
2830 tvs.tv_usec = 30000L;
2832 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
2835 for (int x = 0; x != SERVERportCount; x++)
2837 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
2840 char remotehost[MAXBUF],resolved[MAXBUF];
2841 length = sizeof (client);
2842 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
2843 if (incomingSockfd != -1)
2845 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
2846 if(CleanAndResolve(resolved, remotehost) != TRUE)
2848 strlcpy(resolved,remotehost,MAXBUF);
2850 // add to this connections ircd_connector vector
2851 // *FIX* - we need the LOCAL port not the remote port in &client!
2852 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
2858 for (int x = 0; x < SERVERportCount; x++)
2860 std::deque<std::string> msgs;
2861 std::deque<std::string> sums;
2864 if ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums)))
2866 for (int ctr = 0; ctr < msgs.size(); ctr++)
2868 strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
2869 strlcpy(tcp_sum,msgs[ctr].c_str(),MAXBUF);
2870 log(DEBUG,"Processing: %s",tcp_msg);
2873 log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
2876 // during a netburst, send all data to all other linked servers
2877 if ((((nb_start>0) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
2879 if (is_uline(tcp_host))
2881 if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
2883 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2887 NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
2889 std::string msg = tcp_msg;
2890 FOREACH_MOD OnPacketReceive(msg,tcp_host);
2891 strlcpy(tcp_msg,msg.c_str(),MAXBUF);
2892 handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
2898 while (count2 != clientlist.end())
2904 total_in_this_set = 0;
2906 user_hash::iterator xcount = count2;
2907 user_hash::iterator endingiter = count2;
2909 if (count2 == clientlist.end()) break;
2911 userrec* curr = NULL;
2914 curr = count2->second;
2916 if ((curr) && (curr->fd != 0))
2918 #ifdef _POSIX_PRIORITY_SCHEDULING
2921 // assemble up to 64 sockets into an fd_set
2922 // to implement a pooling mechanism.
2924 // This should be up to 64x faster than the
2925 // old implementation.
2927 while (total_in_this_set < 1024)
2929 if (count2 != clientlist.end())
2931 curr = count2->second;
2932 // we don't check the state of remote users.
2933 if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
2935 curr->FlushWriteBuf();
2936 if (curr->GetWriteError() != "")
2938 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
2939 kill_link(curr,curr->GetWriteError().c_str());
2943 FD_SET (curr->fd, &sfd);
2945 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
2946 // their connection class.
2947 if ((TIME > curr->timeout) && (curr->registered != 7))
2949 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
2950 kill_link(curr,"Registration timeout");
2953 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
2955 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
2956 curr->dns_done = true;
2958 FullConnectUser(curr);
2961 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
2963 log(DEBUG,"dns done, registered=3, and modules ready, OK");
2964 FullConnectUser(curr);
2967 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
2969 if ((!curr->lastping) && (curr->registered == 7))
2971 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
2972 kill_link(curr,"Ping timeout");
2975 Write(curr->fd,"PING :%s",ServerName);
2976 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
2978 curr->nping = TIME+curr->pingmax; // was hard coded to 120
2982 total_in_this_set++;
2986 endingiter = count2;
2987 count2 = xcount; // roll back to where we were
2989 // 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.
2990 // TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
2992 if (cycle_iter > 20) while (count2 != clientlist.end())
2995 if (count2 != clientlist.end())
2997 curr = count2->second;
2998 // we don't check the state of remote users.
2999 if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
3002 curr->FlushWriteBuf();
3003 if (curr->GetWriteError() != "")
3005 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
3006 kill_link(curr,curr->GetWriteError().c_str());
3010 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3011 // their connection class.
3012 if ((TIME > curr->timeout) && (curr->registered != 7))
3014 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
3015 kill_link(curr,"Registration timeout");
3018 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3020 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
3021 curr->dns_done = true;
3023 FullConnectUser(curr);
3026 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
3028 log(DEBUG,"dns done, registered=3, and modules ready, OK");
3029 FullConnectUser(curr);
3032 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
3034 if ((!curr->lastping) && (curr->registered == 7))
3036 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
3037 kill_link(curr,"Ping timeout");
3040 Write(curr->fd,"PING :%s",ServerName);
3041 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
3043 curr->nping = TIME+curr->pingmax; // was hard coded to 120
3050 // increment the counter right to the end of the list, as kqueue processes everything in one go
3055 int i = epoll_wait(ep, event, 1, 5);
3058 log(DEBUG,"epoll_wait call: ep=%d, i=%d",ep,i);
3059 // EPOLL: we asked epoll_wait for ONE fd which is ready. Do something.
3060 userrec* cu = fd_ref_table[event[0].data.fd];
3065 // for now, we only read 1 event. We could read soooo many more :)
3066 int i = kevent(kq, NULL, 0, &ke, 1, &ts);
3069 log(DEBUG,"kevent call: kq=%d, i=%d",kq,i);
3070 // KQUEUE: kevent gives us ONE fd which is ready to have something done to it. Do something to it.
3071 userrec* cu = fd_ref_table[ke.ident];
3074 tval.tv_usec = 1000L;
3075 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
3077 // now loop through all of the items in this pool if any are waiting
3078 if (selectResult2 > 0)
3079 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
3081 // SELECT: we have to iterate...
3082 userrec* cu = count2a->second;
3085 #ifdef _POSIX_PRIORITY_SCHEDULING
3090 // EPOLL: We already know we have a valid FD. No checks needed.
3091 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3094 // KQUEUE: We already know we have a valid FD. No checks needed.
3095 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
3098 // SELECT: We don't know if our FD is valid.
3099 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
3102 log(DEBUG,"Data waiting on socket %d",cu->fd);
3105 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
3108 result = read(cu->fd, data, 65535);
3110 else result = result2;
3111 log(DEBUG,"Read result: %d",result);
3114 statsRecv += result;
3115 // perform a check on the raw buffer as an array (not a string!) to remove
3116 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
3117 // hopefully this should stop even more people whining about "Unknown command: *"
3118 for (int checker = 0; checker < result; checker++)
3120 if ((data[checker] == 0) || (data[checker] == 7))
3121 data[checker] = ' ';
3124 data[result] = '\0';
3125 userrec* current = cu;
3126 int currfd = current->fd;
3128 // add the data to the users buffer
3130 if (!current->AddBuffer(data))
3132 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
3133 if (current->registered == 7)
3135 kill_link(current,"RecvQ exceeded");
3139 WriteOpers("*** Excess flood from %s",current->ip);
3140 log(DEFAULT,"Excess flood from: %s",current->ip);
3141 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3146 if (current->recvq.length() > NetBufferSize)
3148 if (current->registered == 7)
3150 kill_link(current,"RecvQ exceeded");
3154 WriteOpers("*** Excess flood from %s",current->ip);
3155 log(DEFAULT,"Excess flood from: %s",current->ip);
3156 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3161 // while there are complete lines to process...
3162 while (current->BufferIsReady())
3165 if (TIME > current->reset_due)
3167 current->reset_due = TIME + current->threshold;
3168 current->lines_in = 0;
3170 current->lines_in++;
3171 if (current->lines_in > current->flood)
3173 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3174 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3175 kill_link(current,"Excess flood");
3178 if ((floodlines > current->flood) && (current->flood != 0))
3180 if (current->registered == 7)
3182 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3183 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3184 kill_link(current,"Excess flood");
3188 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
3193 char sanitized[MAXBUF];
3194 // use GetBuffer to copy single lines into the sanitized string
3195 std::string single_line = current->GetBuffer();
3196 current->bytes_in += single_line.length();
3198 if (single_line.length()>512)
3200 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3201 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3202 kill_link(current,"Excess flood");
3205 strlcpy(sanitized,single_line.c_str(),MAXBUF);
3208 userrec* old_comp = fd_ref_table[currfd];
3209 // we're gonna re-scan to check if the nick is gone, after every
3210 // command - if it has, we're gonna bail
3211 process_buffer(sanitized,current);
3212 // look for the user's record in case it's changed... if theyve quit,
3213 // we cant do anything more with their buffer, so bail.
3214 // there used to be an ugly, slow loop here. Now we have a reference
3215 // table, life is much easier (and FASTER)
3216 userrec* new_comp = fd_ref_table[currfd];
3217 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
3225 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
3227 log(DEBUG,"killing: %s",cu->nick);
3228 kill_link(cu,strerror(errno));
3232 // result EAGAIN means nothing read
3233 if (result == EAGAIN)
3243 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
3244 kill_link(cu,"Client exited");
3245 // must bail here? kill_link removes the hash, corrupting the iterator
3246 log(DEBUG,"Bailing from client exit");
3252 else if (result > 0)
3257 for (int q = 0; q < total_in_this_set; q++)
3263 #ifdef _POSIX_PRIORITY_SCHEDULING
3268 // set up select call
3269 for (count = 0; count < boundPortCount; count++)
3271 FD_SET (openSockfd[count], &selectFds);
3274 tv.tv_usec = 30000L;
3275 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
3277 /* select is reporting a waiting socket. Poll them all to find out which */
3278 if (selectResult > 0)
3280 for (count = 0; count < boundPortCount; count++)
3282 if (FD_ISSET (openSockfd[count], &selectFds))
3287 ts.tv_nsec = 30000L;
3288 i = kevent(lkq, NULL, 0, ke_list, 32, &ts);
3289 if (i > 0) for (j = 0; j < i; j++)
3291 log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke_list[j].ident);
3292 // this isnt as efficient as it could be, we could create a reference table
3293 // to reference bound ports by fd, but this isnt a big bottleneck as the actual
3294 // number of listening ports on the average ircd is a small number (less than 20)
3295 // compared to the number of clients (possibly over 2000)
3296 for (count = 0; count < boundPortCount; count++)
3298 if (ke_list[j].ident == openSockfd[count])
3302 #ifdef _POSIX_PRIORITY_SCHEDULING
3305 i = epoll_wait(lep, event, 32, EP_DELAY*2);
3306 #ifdef _POSIX_PRIORITY_SCHEDULING
3309 if (i > 0) for (j = 0; j < i; j++)
3311 log(DEBUG,"epoll: Listening socket event, i=%d,events[j].data.fd=%d",i,event[j].data.fd);
3312 for (count = 0; count < boundPortCount; count++)
3314 if (event[j].data.fd == openSockfd[count])
3317 char target[MAXBUF], resolved[MAXBUF];
3318 length = sizeof (client);
3319 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
3321 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
3322 strlcpy (resolved, target, MAXBUF);
3324 if (incomingSockfd < 0)
3326 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
3327 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
3332 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
3334 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
3335 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
3343 #ifdef _POSIX_PRIORITY_SCHEDULING
3349 close (incomingSockfd);