1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
21 #include "inspircd_config.h"
23 #include "inspircd_io.h"
24 #include "inspircd_util.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
32 #include <sys/types.h>
33 #include <sys/event.h>
38 #include <sys/epoll.h>
45 #include <ext/hash_map>
67 #include "inspstring.h"
69 #include "helperfuncs.h"
71 #include "socketengine.h"
75 int LogLevel = DEFAULT;
76 char ServerName[MAXBUF];
78 char ServerDesc[MAXBUF];
79 char AdminName[MAXBUF];
80 char AdminEmail[MAXBUF];
81 char AdminNick[MAXBUF];
83 char restartpass[MAXBUF];
87 char PrefixQuit[MAXBUF];
88 char DieValue[MAXBUF];
89 char DNSServer[MAXBUF];
92 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
93 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
95 time_t startup_time = time(NULL);
96 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
97 int MaxConn = SOMAXCONN; // size of accept() backlog (128 by default on *BSD)
98 unsigned int SoftLimit = MAXCLIENTS;
99 extern int MaxWhoResults;
103 char DisabledCommands[MAXBUF];
105 bool AllowHalfop = true;
106 bool AllowProtect = true;
107 bool AllowFounder = true;
109 extern std::vector<Module*> modules;
110 std::vector<std::string> module_names;
111 extern std::vector<ircd_module*> factory;
113 std::vector<InspSocket*> module_sockets;
116 int openSockfd[MAXSOCKS];
118 bool unlimitcore = false;
120 time_t TIME = time(NULL), OLDTIME = time(NULL);
122 SocketEngine* SE = NULL;
124 bool has_been_netsplit = false;
125 extern std::vector<std::string> include_stack;
127 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
128 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
129 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
130 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
131 typedef std::deque<command_t> command_table;
132 typedef std::map<std::string,time_t> autoconnects;
133 typedef std::vector<std::string> servernamelist;
135 // This table references users by file descriptor.
136 // its an array to make it VERY fast, as all lookups are referenced
137 // by an integer, meaning there is no need for a scan/search operation.
138 userrec* fd_ref_table[65536];
140 int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
142 Server* MyServer = new Server;
146 user_hash clientlist;
149 command_table cmdlist;
150 autoconnects autoconns;
156 servernamelist servernames;
158 struct linger linger = { 0 };
159 char MyExecutable[1024];
160 int boundPortCount = 0;
161 int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
163 char ModPath[MAXBUF];
167 int has_channel(userrec *u, chanrec *c);
168 int usercount(chanrec *c);
169 int usercount_i(chanrec *c);
170 char* Passwd(userrec *user);
171 bool IsDenied(userrec *user);
172 void AddWhoWas(userrec* u);
174 std::stringstream config_f(stringstream::in | stringstream::out);
176 std::vector<userrec*> all_opers;
180 void AddOper(userrec* user)
182 log(DEBUG,"Oper added to optimization list");
183 all_opers.push_back(user);
186 void AddServerName(std::string servername)
188 log(DEBUG,"Adding server name: %s",servername.c_str());
189 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
191 if (*a == servername)
194 servernames.push_back(servername);
197 const char* FindServerNamePtr(std::string servername)
199 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
201 if (*a == servername)
204 AddServerName(servername);
205 return FindServerNamePtr(servername);
208 void DeleteOper(userrec* user)
210 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
214 log(DEBUG,"Oper removed from optimization list");
221 std::string GetRevision()
223 char Revision[] = "$Revision$";
226 char *v2 = strtok_r(s1," ",&savept);
228 v2 = strtok_r(s1," ",&savept);
230 return std::string(v2);
234 std::string getservername()
239 std::string getserverdesc()
244 std::string getnetworkname()
249 std::string getadminname()
254 std::string getadminemail()
259 std::string getadminnick()
264 void ReadConfig(bool bail, userrec* user)
266 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
267 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF],SLIMT[MAXBUF];
269 std::stringstream errstr;
270 include_stack.clear();
272 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
275 log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str());
278 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
286 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
287 while (!errstr.eof())
289 errstr.getline(dataline,1024);
290 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
295 WriteOpers("There were errors in the configuration file:");
296 while (!errstr.eof())
298 errstr.getline(dataline,1024);
299 WriteOpers(dataline);
306 ConfValue("server","name",0,ServerName,&config_f);
307 ConfValue("server","description",0,ServerDesc,&config_f);
308 ConfValue("server","network",0,Network,&config_f);
309 ConfValue("admin","name",0,AdminName,&config_f);
310 ConfValue("admin","email",0,AdminEmail,&config_f);
311 ConfValue("admin","nick",0,AdminNick,&config_f);
312 ConfValue("files","motd",0,motd,&config_f);
313 ConfValue("files","rules",0,rules,&config_f);
314 ConfValue("power","diepass",0,diepass,&config_f);
315 ConfValue("power","pause",0,pauseval,&config_f);
316 ConfValue("power","restartpass",0,restartpass,&config_f);
317 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
318 ConfValue("die","value",0,DieValue,&config_f);
319 ConfValue("options","loglevel",0,dbg,&config_f);
320 ConfValue("options","netbuffersize",0,NB,&config_f);
321 ConfValue("options","maxwho",0,MW,&config_f);
322 ConfValue("options","allowhalfop",0,AH,&config_f);
323 ConfValue("options","allowprotect",0,AP,&config_f);
324 ConfValue("options","allowfounder",0,AF,&config_f);
325 ConfValue("dns","server",0,DNSServer,&config_f);
326 ConfValue("dns","timeout",0,DNT,&config_f);
327 ConfValue("options","moduledir",0,ModPath,&config_f);
328 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
329 ConfValue("options","somaxconn",0,MCON,&config_f);
330 ConfValue("options","softlimit",0,SLIMT,&config_f);
332 SoftLimit = atoi(SLIMT);
333 if ((SoftLimit < 1) || (SoftLimit > MAXCLIENTS))
335 log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
336 SoftLimit = MAXCLIENTS;
338 MaxConn = atoi(MCON);
339 if (MaxConn > SOMAXCONN)
340 log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
341 NetBufferSize = atoi(NB);
342 MaxWhoResults = atoi(MW);
343 dns_timeout = atoi(DNT);
349 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
351 strlcpy(ModPath,MOD_PATH,MAXBUF);
352 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
353 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
354 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
355 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
357 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
358 NetBufferSize = 10240;
360 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
362 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
365 if (!strcmp(dbg,"debug"))
367 if (!strcmp(dbg,"verbose"))
369 if (!strcmp(dbg,"default"))
371 if (!strcmp(dbg,"sparse"))
373 if (!strcmp(dbg,"none"))
376 log(DEFAULT,"Reading message of the day...");
377 readfile(RULES,rules);
378 log(DEFAULT,"Reading connect classes...");
380 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
383 ConfValue("connect","allow",i,Value,&config_f);
384 ConfValue("connect","timeout",i,timeout,&config_f);
385 ConfValue("connect","flood",i,flood,&config_f);
386 ConfValue("connect","pingfreq",i,pfreq,&config_f);
387 ConfValue("connect","threshold",i,thold,&config_f);
388 ConfValue("connect","sendq",i,sqmax,&config_f);
389 ConfValue("connect","recvq",i,rqmax,&config_f);
392 strlcpy(c.host,Value,MAXBUF);
394 strlcpy(Value,"",MAXBUF);
395 ConfValue("connect","password",i,Value,&config_f);
396 strlcpy(c.pass,Value,MAXBUF);
397 c.registration_timeout = 90; // default is 2 minutes
399 c.flood = atoi(flood);
401 c.sendqmax = 262144; // 256k
402 c.recvqmax = 4096; // 4k
405 c.threshold = atoi(thold);
409 c.sendqmax = atoi(sqmax);
413 c.recvqmax = atoi(rqmax);
417 c.registration_timeout = atoi(timeout);
421 c.pingtime = atoi(pfreq);
423 Classes.push_back(c);
424 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);
428 ConfValue("connect","deny",i,Value,&config_f);
429 strlcpy(c.host,Value,MAXBUF);
431 Classes.push_back(c);
432 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
436 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
437 read_xline_defaults();
438 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
442 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
444 char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
445 ConfValue("link","name",i,Link_ServerName,&config_f);
446 ConfValue("link","autoconnect",i,Link_AConn,&config_f);
447 if (strcmp(Link_AConn,""))
449 autoconns[std::string(Link_ServerName)] = atoi(Link_AConn) + time(NULL);
454 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
457 log(DEFAULT,"Adding and removing modules due to rehash...");
459 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
461 // store the old module names
462 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
464 old_module_names.push_back(*t);
467 // get the new module names
468 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
470 ConfValue("module","name",count2,Value,&config_f);
471 new_module_names.push_back(Value);
474 // now create a list of new modules that are due to be loaded
475 // and a seperate list of modules which are due to be unloaded
476 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
479 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
485 added_modules.push_back(*_new);
487 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
490 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
496 removed_modules.push_back(*oldm);
498 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
500 int rem = 0, add = 0;
501 if (!removed_modules.empty())
502 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
504 if (UnloadModule(removing->c_str()))
506 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
507 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
512 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
515 if (!added_modules.empty())
516 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
518 if (LoadModule(adding->c_str()))
520 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
521 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
526 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
529 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());
534 /* add a channel to a user, creating the record for it if needed and linking
535 * it to the user record */
537 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
539 if ((!user) || (!cn))
541 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
549 strncpy(cname,cn,MAXBUF);
551 // we MUST declare this wherever we use FOREACH_RESULT
554 if (strlen(cname) > CHANMAX)
556 cname[CHANMAX] = '\0';
559 log(DEBUG,"add_channel: %s %s",user->nick,cname);
561 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
563 return NULL; // already on the channel!
567 if (!FindChan(cname))
569 if (!strcasecmp(ServerName,user->server))
572 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
573 if (MOD_RESULT == 1) {
578 /* create a new one */
579 log(DEBUG,"add_channel: creating: %s",cname);
581 chanlist[cname] = new chanrec();
583 strlcpy(chanlist[cname]->name, cname,CHANMAX);
584 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
585 chanlist[cname]->created = TIME;
586 strcpy(chanlist[cname]->topic, "");
587 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
588 chanlist[cname]->topicset = 0;
589 Ptr = chanlist[cname];
590 log(DEBUG,"add_channel: created: %s",cname);
591 /* set created to 2 to indicate user
592 * is the first in the channel
593 * and should be given ops */
599 /* channel exists, just fish out a pointer to its struct */
600 Ptr = FindChan(cname);
603 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
605 // remote users are allowed us to bypass channel modes
606 // and bans (used by servers)
607 if (!strcasecmp(ServerName,user->server))
609 log(DEBUG,"Not overriding...");
611 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
612 if (MOD_RESULT == 1) {
615 log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
619 log(DEBUG,"add_channel: checking key, invite, etc");
621 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
626 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
629 log(DEBUG,"add_channel: no key given in JOIN");
630 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
635 if (strcasecmp(key,Ptr->key))
637 log(DEBUG,"add_channel: bad key given in JOIN");
638 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
643 log(DEBUG,"add_channel: no key");
646 FOREACH_RESULT(OnCheckInvite(user, Ptr));
649 if (Ptr->binarymodes & CM_INVITEONLY)
651 log(DEBUG,"add_channel: channel is +i");
652 if (user->IsInvited(Ptr->name))
654 /* user was invited to channel */
655 /* there may be an optional channel NOTICE here */
659 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
663 log(DEBUG,"add_channel: channel is not +i");
666 FOREACH_RESULT(OnCheckLimit(user, Ptr));
671 if (usercount(Ptr) >= Ptr->limit)
673 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
678 log(DEBUG,"add_channel: about to walk banlist");
680 FOREACH_RESULT(OnCheckBan(user, Ptr));
683 /* check user against the channel banlist */
686 if (Ptr->bans.size())
688 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
690 if (match(user->GetFullHost(),i->data))
692 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
698 log(DEBUG,"add_channel: bans checked");
706 user->RemoveInvite(Ptr->name);
709 log(DEBUG,"add_channel: invites removed");
714 log(DEBUG,"Overridden checks");
722 log(DEBUG,"Passed channel checks");
724 for (int index =0; index != MAXCHANS; index++)
726 log(DEBUG,"Check location %d",index);
727 if (user->chans[index].channel == NULL)
729 log(DEBUG,"Adding into their channel list at location %d",index);
733 /* first user in is given ops */
734 user->chans[index].uc_modes = UCMODE_OP;
738 user->chans[index].uc_modes = 0;
740 user->chans[index].channel = Ptr;
741 Ptr->AddUser((char*)user);
742 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
744 log(DEBUG,"Sent JOIN to client");
748 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
749 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
752 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
753 //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
754 //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
755 FOREACH_MOD OnUserJoin(user,Ptr);
759 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
760 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
764 /* remove a channel from a users record, and remove the record from memory
765 * if the channel has become empty */
767 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
769 if ((!user) || (!cname))
771 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
777 if ((!cname) || (!user))
782 Ptr = FindChan(cname);
789 FOREACH_MOD OnUserPart(user,Ptr);
790 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
792 for (int i =0; i != MAXCHANS; i++)
794 /* zap it from the channel list of the user */
795 if (user->chans[i].channel == Ptr)
799 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
803 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
805 user->chans[i].uc_modes = 0;
806 user->chans[i].channel = NULL;
807 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
812 Ptr->DelUser((char*)user);
814 /* if there are no users left on the channel */
817 chan_hash::iterator iter = chanlist.find(Ptr->name);
819 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
821 /* kill the record */
822 if (iter != chanlist.end())
824 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
826 chanlist.erase(iter);
834 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
836 if ((!src) || (!user) || (!Ptr) || (!reason))
838 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
842 if ((!Ptr) || (!user) || (!src))
847 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
849 if (!has_channel(user,Ptr))
851 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
856 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
857 if ((MOD_RESULT == ACR_DENY) && (!is_uline(src->server)))
860 if ((MOD_RESULT == ACR_DEFAULT) || (!is_uline(src->server)))
862 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
864 if (cstatus(src,Ptr) == STATUS_HOP)
866 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
870 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
877 if (!is_uline(src->server))
880 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
885 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
887 for (int i =0; i != MAXCHANS; i++)
889 /* zap it from the channel list of the user */
890 if (user->chans[i].channel)
891 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
893 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
894 user->chans[i].uc_modes = 0;
895 user->chans[i].channel = NULL;
896 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
901 Ptr->DelUser((char*)user);
903 /* if there are no users left on the channel */
906 chan_hash::iterator iter = chanlist.find(Ptr->name);
908 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
910 /* kill the record */
911 if (iter != chanlist.end())
913 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
915 chanlist.erase(iter);
923 /* This function pokes and hacks at a parameter list like the following:
925 * PART #winbot,#darkgalaxy :m00!
927 * to turn it into a series of individual calls like this:
930 * PART #darkgalaxy :m00!
932 * The seperate calls are sent to a callback function provided by the caller
933 * (the caller will usually call itself recursively). The callback function
934 * must be a command handler. Calling this function on a line with no list causes
935 * no action to be taken. You must provide a starting and ending parameter number
936 * where the range of the list can be found, useful if you have a terminating
937 * parameter as above which is actually not part of the list, or parameters
938 * before the actual list as well. This code is used by many functions which
939 * can function as "one to list" (see the RFC) */
941 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
946 char blog[32][MAXBUF];
947 char blog2[32][MAXBUF];
948 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
952 for (int i = 0; i <32; i++)
955 for (int i = 0; i <32; i++)
959 for (int i = 0; i <10; i++)
968 if (pcnt > 1) /* we have a key to copy */
970 strlcpy(keystr,parameters[1],MAXBUF);
974 if (!parameters[start])
978 if (!strchr(parameters[start],','))
983 for (int i = start; i <= end; i++)
987 strlcat(plist,parameters[i],MAXBUF);
995 for (int i = 0; i < t; i++)
1000 strlcpy(blog[j++],param,MAXBUF);
1004 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
1009 strlcpy(blog[j++],param,MAXBUF);
1012 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
1017 if ((joins) && (keystr))
1019 if (strchr(keystr,','))
1023 t2 = strlen(keystr);
1024 for (int i = 0; i < t2; i++)
1026 if (keystr[i] == ',')
1029 strlcpy(blog2[j++],param,MAXBUF);
1033 strlcpy(blog2[j++],param,MAXBUF);
1038 for (j = 0; j < total; j++)
1044 for (q = end; q < pcnt-1; q++)
1046 if (parameters[q+1])
1048 pars[q-end+1] = parameters[q+1];
1051 if ((joins) && (parameters[1]))
1062 /* repeatedly call the function with the hacked parameter list */
1063 if ((joins) && (pcnt > 1))
1067 // pars[1] already set up and containing key from blog2[j]
1072 pars[1] = parameters[1];
1078 fn(pars,pcnt-(end-start),u);
1087 void kill_link(userrec *user,const char* r)
1089 user_hash::iterator iter = clientlist.find(user->nick);
1091 char reason[MAXBUF];
1093 strncpy(reason,r,MAXBUF);
1095 if (strlen(reason)>MAXQUIT)
1097 reason[MAXQUIT-1] = '\0';
1100 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1101 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1102 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1104 if (user->registered == 7) {
1105 FOREACH_MOD OnUserQuit(user,reason);
1106 WriteCommonExcept(user,"QUIT :%s",reason);
1109 user->FlushWriteBuf();
1111 FOREACH_MOD OnUserDisconnect(user);
1115 FOREACH_MOD OnRawSocketClose(user->fd);
1116 SE->DelFd(user->fd);
1117 user->CloseSocket();
1120 // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
1121 // if they were an oper with +s.
1122 if (user->registered == 7) {
1123 purge_empty_chans(user);
1124 // fix by brain: only show local quits because we only show local connects (it just makes SENSE)
1125 if (!strcmp(user->server,ServerName))
1126 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1130 if (iter != clientlist.end())
1132 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1134 fd_ref_table[user->fd] = NULL;
1135 clientlist.erase(iter);
1140 void kill_link_silent(userrec *user,const char* r)
1142 user_hash::iterator iter = clientlist.find(user->nick);
1144 char reason[MAXBUF];
1146 strncpy(reason,r,MAXBUF);
1148 if (strlen(reason)>MAXQUIT)
1150 reason[MAXQUIT-1] = '\0';
1153 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1154 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1155 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1157 user->FlushWriteBuf();
1159 if (user->registered == 7) {
1160 FOREACH_MOD OnUserQuit(user,reason);
1161 WriteCommonExcept(user,"QUIT :%s",reason);
1164 FOREACH_MOD OnUserDisconnect(user);
1168 FOREACH_MOD OnRawSocketClose(user->fd);
1169 SE->DelFd(user->fd);
1170 user->CloseSocket();
1173 if (user->registered == 7) {
1174 purge_empty_chans(user);
1177 if (iter != clientlist.end())
1179 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1181 fd_ref_table[user->fd] = NULL;
1182 clientlist.erase(iter);
1188 /*void *task(void *arg)
1191 cout << (char *)arg;
1197 int main(int argc, char** argv)
1201 log(DEBUG,"*** InspIRCd starting up!");
1202 if (!FileExists(CONFIG_FILE))
1204 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
1205 log(DEFAULT,"main: no config");
1206 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
1210 for (int i = 1; i < argc; i++)
1212 if (!strcmp(argv[i],"-nofork")) {
1215 if (!strcmp(argv[i],"-wait")) {
1218 if (!strcmp(argv[i],"-nolimit")) {
1224 strlcpy(MyExecutable,argv[0],MAXBUF);
1226 // initialize the lowercase mapping table
1227 for (unsigned int cn = 0; cn < 256; cn++)
1229 // lowercase the uppercase chars
1230 for (unsigned int cn = 65; cn < 91; cn++)
1231 lowermap[cn] = tolower(cn);
1232 // now replace the specific chars for scandanavian comparison
1233 lowermap[(unsigned)'['] = '{';
1234 lowermap[(unsigned)']'] = '}';
1235 lowermap[(unsigned)'\\'] = '|';
1237 if (InspIRCd(argv,argc) == ERROR)
1239 log(DEFAULT,"main: daemon function bailed");
1240 printf("ERROR: could not initialise. Shutting down.\n");
1247 template<typename T> inline string ConvToStr(const T &in)
1250 if (!(tmp << in)) return string();
1254 /* re-allocates a nick in the user_hash after they change nicknames,
1255 * returns a pointer to the new user as it may have moved */
1257 userrec* ReHashNick(char* Old, char* New)
1259 //user_hash::iterator newnick;
1260 user_hash::iterator oldnick = clientlist.find(Old);
1262 log(DEBUG,"ReHashNick: %s %s",Old,New);
1264 if (!strcasecmp(Old,New))
1266 log(DEBUG,"old nick is new nick, skipping");
1267 return oldnick->second;
1270 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
1272 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
1274 userrec* olduser = oldnick->second;
1275 clientlist[New] = olduser;
1276 clientlist.erase(oldnick);
1278 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
1280 return clientlist[New];
1283 /* adds or updates an entry in the whowas list */
1284 void AddWhoWas(userrec* u)
1286 whowas_hash::iterator iter = whowas.find(u->nick);
1287 WhoWasUser *a = new WhoWasUser();
1288 strlcpy(a->nick,u->nick,NICKMAX);
1289 strlcpy(a->ident,u->ident,IDENTMAX);
1290 strlcpy(a->dhost,u->dhost,160);
1291 strlcpy(a->host,u->host,160);
1292 strlcpy(a->fullname,u->fullname,MAXGECOS);
1293 strlcpy(a->server,u->server,256);
1294 a->signon = u->signon;
1296 /* MAX_WHOWAS: max number of /WHOWAS items
1297 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
1298 * can be replaced by a newer one
1301 if (iter == whowas.end())
1303 if (whowas.size() >= (unsigned)WHOWAS_MAX)
1305 for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
1307 // 3600 seconds in an hour ;)
1308 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
1310 // delete the old one
1311 if (i->second) delete i->second;
1312 // replace with new one
1314 log(DEBUG,"added WHOWAS entry, purged an old record");
1318 // no space left and user doesnt exist. Don't leave ram in use!
1319 log(DEBUG,"Not able to update whowas (list at WHOWAS_MAX entries and trying to add new?), freeing excess ram");
1324 log(DEBUG,"added fresh WHOWAS entry");
1325 whowas[a->nick] = a;
1330 log(DEBUG,"updated WHOWAS entry");
1331 if (iter->second) delete iter->second;
1337 void* dns_task(void* arg)
1339 userrec* u = (userrec*)arg;
1340 log(DEBUG,"DNS thread for user %s",u->nick);
1345 if (dns1.ReverseLookup(u->ip))
1347 log(DEBUG,"DNS Step 1");
1348 while (!dns1.HasResult())
1352 host = dns1.GetResult();
1355 log(DEBUG,"DNS Step 2: '%s'",host.c_str());
1356 if (dns2.ForwardLookup(host))
1358 while (!dns2.HasResult())
1362 ip = dns2.GetResultIP();
1363 log(DEBUG,"DNS Step 3 '%s'(%d) '%s'(%d)",ip.c_str(),ip.length(),u->ip,strlen(u->ip));
1364 if (ip == std::string(u->ip))
1366 log(DEBUG,"DNS Step 4");
1367 if (host.length() < 160)
1369 log(DEBUG,"DNS Step 5");
1370 strcpy(u->host,host.c_str());
1371 strcpy(u->dhost,host.c_str());
1382 /* add a client connection to the sockets list */
1383 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
1387 user_hash::iterator iter;
1389 tempnick = ConvToStr(socket) + "-unknown";
1390 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
1392 iter = clientlist.find(tempnick);
1395 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
1396 // using one as a registered connection. As theyre per fd, we can also safely assume
1397 // that we wont have collisions. Therefore, if the nick exists in the list, its only
1398 // used by a dead socket, erase the iterator so that the new client may reclaim it.
1399 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
1400 // issue in earlier alphas/betas
1401 if (iter != clientlist.end())
1403 userrec* goner = iter->second;
1405 clientlist.erase(iter);
1409 * It is OK to access the value here this way since we know
1410 * it exists, we just created it above.
1412 * At NO other time should you access a value in a map or a
1413 * hash_map this way.
1415 clientlist[tempnick] = new userrec();
1417 NonBlocking(socket);
1418 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
1420 clientlist[tempnick]->fd = socket;
1421 strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
1422 strlcpy(clientlist[tempnick]->host, host,160);
1423 strlcpy(clientlist[tempnick]->dhost, host,160);
1424 clientlist[tempnick]->server = (char*)FindServerNamePtr(ServerName);
1425 strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
1426 clientlist[tempnick]->registered = 0;
1427 clientlist[tempnick]->signon = TIME+dns_timeout;
1428 clientlist[tempnick]->lastping = 1;
1429 clientlist[tempnick]->port = port;
1430 strlcpy(clientlist[tempnick]->ip,ip,16);
1432 // set the registration timeout for this user
1433 unsigned long class_regtimeout = 90;
1434 int class_flood = 0;
1435 long class_threshold = 5;
1436 long class_sqmax = 262144; // 256kb
1437 long class_rqmax = 4096; // 4k
1439 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1441 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
1443 class_regtimeout = (unsigned long)i->registration_timeout;
1444 class_flood = i->flood;
1445 clientlist[tempnick]->pingmax = i->pingtime;
1446 class_threshold = i->threshold;
1447 class_sqmax = i->sendqmax;
1448 class_rqmax = i->recvqmax;
1453 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
1454 clientlist[tempnick]->timeout = TIME+class_regtimeout;
1455 clientlist[tempnick]->flood = class_flood;
1456 clientlist[tempnick]->threshold = class_threshold;
1457 clientlist[tempnick]->sendqmax = class_sqmax;
1458 clientlist[tempnick]->recvqmax = class_rqmax;
1460 for (int i = 0; i < MAXCHANS; i++)
1462 clientlist[tempnick]->chans[i].channel = NULL;
1463 clientlist[tempnick]->chans[i].uc_modes = 0;
1466 if (clientlist.size() > SoftLimit)
1468 kill_link(clientlist[tempnick],"No more connections allowed");
1472 if (clientlist.size() >= MAXCLIENTS)
1474 kill_link(clientlist[tempnick],"No more connections allowed");
1478 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1479 // its a pretty big but for the moment valid assumption:
1480 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
1481 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1482 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
1483 // which for the time being is a physical impossibility (even the largest networks dont have more
1484 // than about 10,000 users on ONE server!)
1485 if ((unsigned)socket > 65534)
1487 kill_link(clientlist[tempnick],"Server is full");
1492 char* e = matches_exception(ip);
1495 char* r = matches_zline(ip);
1498 char reason[MAXBUF];
1499 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
1500 kill_link(clientlist[tempnick],reason);
1504 fd_ref_table[socket] = clientlist[tempnick];
1505 SE->AddFd(socket,true,X_ESTAB_CLIENT);
1507 // initialize their dns lookup thread
1508 //if (pthread_create(&clientlist[tempnick]->dnsthread, NULL, dns_task, (void *)clientlist[tempnick]) != 0)
1510 // log(DEBUG,"Failed to create DNS lookup thread for user %s",clientlist[tempnick]->nick);
1514 /* shows the message of the day, and any other on-logon stuff */
1515 void FullConnectUser(userrec* user)
1518 user->idle_lastmsg = TIME;
1519 log(DEBUG,"ConnectUser: %s",user->nick);
1521 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
1523 kill_link(user,"Invalid password");
1528 kill_link(user,"Unauthorised connection");
1532 char match_against[MAXBUF];
1533 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
1534 char* e = matches_exception(match_against);
1537 char* r = matches_gline(match_against);
1540 char reason[MAXBUF];
1541 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1542 kill_link_silent(user,reason);
1545 r = matches_kline(user->host);
1548 char reason[MAXBUF];
1549 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1550 kill_link_silent(user,reason);
1556 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
1557 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
1558 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
1559 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
1560 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
1561 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
1562 std::stringstream v;
1563 v << "WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
1564 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
1565 v << " TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=" << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=";
1567 std::string data005 = v.str();
1568 FOREACH_MOD On005Numeric(data005);
1569 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1570 // so i'd better split it :)
1571 std::stringstream out(data005);
1572 std::string token = "";
1573 std::string line5 = "";
1574 int token_counter = 0;
1578 line5 = line5 + token + " ";
1580 if ((token_counter >= 13) || (out.eof() == true))
1582 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
1589 // fix 3 by brain, move registered = 7 below these so that spurious modes and host changes dont go out
1590 // onto the network and produce 'fake direction'
1591 FOREACH_MOD OnUserConnect(user);
1592 FOREACH_MOD OnGlobalConnect(user);
1593 user->registered = 7;
1594 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
1598 /* shows the message of the day, and any other on-logon stuff */
1599 void ConnectUser(userrec *user)
1601 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
1602 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
1604 FullConnectUser(user);
1608 std::string GetVersionString()
1610 char Revision[] = "$Revision$";
1611 char versiondata[MAXBUF];
1612 char *s1 = Revision;
1614 char *v2 = strtok_r(s1," ",&savept);
1616 v2 = strtok_r(s1," ",&savept);
1618 char socketengine[] = engine_name;
1620 char dnsengine[] = "multithread";
1622 char dnsengine[] = "singlethread";
1624 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s [FLAGS=%lu,%s,%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine,dnsengine);
1628 void handle_version(char **parameters, int pcnt, userrec *user)
1630 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1634 bool is_valid_cmd(const char* commandname, int pcnt, userrec * user)
1636 for (unsigned int i = 0; i < cmdlist.size(); i++)
1638 if (!strcasecmp(cmdlist[i].command,commandname))
1640 if (cmdlist[i].handler_function)
1642 if ((pcnt>=cmdlist[i].min_params) && (strcasecmp(cmdlist[i].source,"<core>")))
1644 if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
1646 if (cmdlist[i].flags_needed)
1648 if ((user->HasPermission((char*)commandname)) || (is_uline(user->server)))
1666 // calls a handler function for a command
1668 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
1670 for (unsigned int i = 0; i < cmdlist.size(); i++)
1672 if (!strcasecmp(cmdlist[i].command,commandname))
1674 if (cmdlist[i].handler_function)
1676 if (pcnt>=cmdlist[i].min_params)
1678 if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
1680 if (cmdlist[i].flags_needed)
1682 if ((user->HasPermission((char*)commandname)) || (is_uline(user->server)))
1684 cmdlist[i].handler_function(parameters,pcnt,user);
1689 cmdlist[i].handler_function(parameters,pcnt,user);
1699 void force_nickchange(userrec* user,const char* newnick)
1706 FOREACH_RESULT(OnUserPreNick(user,newnick));
1709 kill_link(user,"Nickname collision");
1712 if (matches_qline(newnick))
1715 kill_link(user,"Nickname collision");
1723 strncpy(nick,newnick,MAXBUF);
1725 if (user->registered == 7)
1729 handle_nick(pars,1,user);
1735 int process_parameters(char **command_p,char *parameters)
1738 int q = strlen(parameters);
1741 /* no parameters, command_p invalid! */
1744 if (parameters[0] == ':')
1746 command_p[0] = parameters+1;
1751 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
1753 /* only one parameter */
1754 command_p[0] = parameters;
1755 if (parameters[0] == ':')
1757 if (strchr(parameters,' ') != NULL)
1765 command_p[j++] = parameters;
1766 for (int i = 0; i <= q; i++)
1768 if (parameters[i] == ' ')
1770 command_p[j++] = parameters+i+1;
1771 parameters[i] = '\0';
1772 if (command_p[j-1][0] == ':')
1774 *command_p[j-1]++; /* remove dodgy ":" */
1776 /* parameter like this marks end of the sequence */
1780 return j; /* returns total number of items in the list */
1783 void process_command(userrec *user, char* cmd)
1787 char *command_p[127];
1788 char p[MAXBUF], temp[MAXBUF];
1789 int j, items, cmd_found;
1791 for (int i = 0; i < 127; i++)
1792 command_p[i] = NULL;
1807 int total_params = 0;
1810 for (unsigned int q = 0; q < strlen(cmd)-1; q++)
1812 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
1815 // found a 'trailing', we dont count them after this.
1823 // another phidjit bug...
1824 if (total_params > 126)
1826 *(strchr(cmd,' ')) = '\0';
1827 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
1831 strlcpy(temp,cmd,MAXBUF);
1833 std::string tmp = cmd;
1834 for (int i = 0; i <= MODCOUNT; i++)
1836 std::string oldtmp = tmp;
1837 modules[i]->OnServerRaw(tmp,true,user);
1840 log(DEBUG,"A Module changed the input string!");
1841 log(DEBUG,"New string: %s",tmp.c_str());
1842 log(DEBUG,"Old string: %s",oldtmp.c_str());
1846 strlcpy(cmd,tmp.c_str(),MAXBUF);
1847 strlcpy(temp,cmd,MAXBUF);
1849 if (!strchr(cmd,' '))
1851 /* no parameters, lets skip the formalities and not chop up
1853 log(DEBUG,"About to preprocess command with no params");
1855 command_p[0] = NULL;
1857 for (unsigned int i = 0; i <= strlen(cmd); i++)
1859 cmd[i] = toupper(cmd[i]);
1867 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
1868 for (unsigned int i = 0; i < strlen(temp); i++)
1870 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
1876 /* split the full string into a command plus parameters */
1880 if (strchr(cmd,' '))
1882 for (unsigned int i = 0; i <= strlen(cmd); i++)
1884 /* capitalise the command ONLY, leave params intact */
1885 cmd[i] = toupper(cmd[i]);
1886 /* are we nearly there yet?! :P */
1890 parameters = cmd+i+1;
1898 for (unsigned int i = 0; i <= strlen(cmd); i++)
1900 cmd[i] = toupper(cmd[i]);
1907 if (strlen(command)>MAXCOMMAND)
1909 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
1913 for (unsigned int x = 0; x < strlen(command); x++)
1915 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
1917 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
1919 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
1922 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
1929 for (unsigned int i = 0; i != cmdlist.size(); i++)
1931 if (cmdlist[i].command[0])
1933 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
1939 items = process_parameters(command_p,parameters);
1944 command_p[0] = NULL;
1950 command_p[0] = NULL;
1955 /* activity resets the ping pending timer */
1956 user->nping = TIME + user->pingmax;
1957 if ((items) < cmdlist[i].min_params)
1959 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
1960 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
1963 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
1965 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1966 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
1970 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
1972 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1973 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
1977 /* if the command isnt USER, PASS, or NICK, and nick is empty,
1979 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
1981 if ((!isnick(user->nick)) || (user->registered != 7))
1983 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
1984 WriteServ(user->fd,"451 %s :You have not registered",command);
1988 if ((user->registered == 7) && (!strchr(user->modes,'o')))
1990 std::stringstream dcmds(DisabledCommands);
1991 while (!dcmds.eof())
1993 std::string thiscmd;
1995 if (!strcasecmp(thiscmd.c_str(),command))
1997 // command is disabled!
1998 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
2003 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
2005 if (cmdlist[i].handler_function)
2008 /* ikky /stats counters */
2011 cmdlist[i].use_count++;
2012 cmdlist[i].total_bytes+=strlen(temp);
2016 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
2017 if (MOD_RESULT == 1) {
2021 /* WARNING: nothing may come after the
2022 * command handler call, as the handler
2023 * may free the user structure! */
2025 cmdlist[i].handler_function(command_p,items,user);
2031 WriteServ(user->fd,"451 %s :You have not registered",command);
2039 if ((!cmd_found) && (user))
2042 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2046 bool removecommands(const char* source)
2048 bool go_again = true;
2052 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
2054 if (!strcmp(i->source,source))
2056 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
2067 void process_buffer(const char* cmdbuf,userrec *user)
2071 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2077 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2084 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
2086 strlcpy(cmd,cmdbuf,MAXBUF);
2091 int sl = strlen(cmd)-1;
2092 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2097 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2102 while (cmd[sl] == ' ') // strip trailing spaces
2112 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
2114 if ((user) && (cmd))
2116 process_command(user,cmd);
2120 char MODERR[MAXBUF];
2127 void erase_factory(int j)
2130 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
2135 factory.push_back(NULL);
2142 void erase_module(int j)
2145 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
2151 modules.push_back(NULL);
2157 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
2161 module_names.erase(v);
2169 bool UnloadModule(const char* filename)
2171 std::string filename_str = filename;
2172 for (unsigned int j = 0; j != module_names.size(); j++)
2174 if (module_names[j] == filename_str)
2176 if (modules[j]->GetVersion().Flags & VF_STATIC)
2178 log(DEFAULT,"Failed to unload STATIC module %s",filename);
2179 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
2182 /* Give the module a chance to tidy out all its metadata */
2183 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
2185 modules[j]->OnCleanup(TYPE_CHANNEL,c->second);
2187 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
2189 modules[j]->OnCleanup(TYPE_USER,u->second);
2191 FOREACH_MOD OnUnloadModule(modules[j],module_names[j]);
2193 log(DEBUG,"Deleting module...");
2195 log(DEBUG,"Erasing module entry...");
2197 log(DEBUG,"Removing dependent commands...");
2198 removecommands(filename);
2199 log(DEFAULT,"Module %s unloaded",filename);
2204 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
2205 snprintf(MODERR,MAXBUF,"Module not loaded");
2209 bool LoadModule(const char* filename)
2211 char modfile[MAXBUF];
2213 snprintf(modfile,MAXBUF,"%s",filename);
2215 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
2217 std::string filename_str = filename;
2219 if (!DirValid(modfile))
2221 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
2222 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
2226 log(DEBUG,"Loading module: %s",modfile);
2228 if (FileExists(modfile))
2231 for (unsigned int j = 0; j < module_names.size(); j++)
2233 if (module_names[j] == filename_str)
2235 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
2236 snprintf(MODERR,MAXBUF,"Module already loaded");
2240 ircd_module* a = new ircd_module(modfile);
2241 factory[MODCOUNT+1] = a;
2242 if (factory[MODCOUNT+1]->LastError())
2244 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
2245 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
2249 if (factory[MODCOUNT+1]->factory)
2251 Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
2252 modules[MODCOUNT+1] = m;
2253 /* save the module and the module's classfactory, if
2254 * this isnt done, random crashes can occur :/ */
2255 module_names.push_back(filename);
2259 log(DEFAULT,"Unable to load %s",modfile);
2260 snprintf(MODERR,MAXBUF,"Factory function failed!");
2267 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
2268 snprintf(MODERR,MAXBUF,"Module file could not be found");
2273 FOREACH_MOD OnLoadModule(modules[MODCOUNT],filename_str);
2278 void ProcessUser(userrec* cu)
2280 int result = EAGAIN;
2281 log(DEBUG,"Processing user with fd %d",cu->fd);
2284 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
2287 result = cu->ReadData(data, 65535);
2291 log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
2294 log(DEBUG,"Read result: %d",result);
2297 statsRecv += result;
2298 // perform a check on the raw buffer as an array (not a string!) to remove
2299 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
2300 // hopefully this should stop even more people whining about "Unknown command: *"
2301 for (int checker = 0; checker < result; checker++)
2303 if ((data[checker] == 0) || (data[checker] == 7))
2304 data[checker] = ' ';
2307 data[result] = '\0';
2308 userrec* current = cu;
2309 int currfd = current->fd;
2311 // add the data to the users buffer
2314 if (!current->AddBuffer(data))
2316 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
2317 if (current->registered == 7)
2319 kill_link(current,"RecvQ exceeded");
2323 WriteOpers("*** Excess flood from %s",current->ip);
2324 log(DEFAULT,"Excess flood from: %s",current->ip);
2325 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
2330 if (current->recvq.length() > (unsigned)NetBufferSize)
2332 if (current->registered == 7)
2334 kill_link(current,"RecvQ exceeded");
2338 WriteOpers("*** Excess flood from %s",current->ip);
2339 log(DEFAULT,"Excess flood from: %s",current->ip);
2340 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
2345 // while there are complete lines to process...
2346 while (current->BufferIsReady())
2349 if (TIME > current->reset_due)
2351 current->reset_due = TIME + current->threshold;
2352 current->lines_in = 0;
2354 current->lines_in++;
2355 if (current->lines_in > current->flood)
2357 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2358 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2359 kill_link(current,"Excess flood");
2362 if ((floodlines > current->flood) && (current->flood != 0))
2364 if (current->registered == 7)
2366 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2367 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2368 kill_link(current,"Excess flood");
2372 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
2377 char sanitized[MAXBUF];
2378 // use GetBuffer to copy single lines into the sanitized string
2379 std::string single_line = current->GetBuffer();
2380 current->bytes_in += single_line.length();
2382 if (single_line.length()>512)
2384 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2385 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2386 kill_link(current,"Excess flood");
2389 strlcpy(sanitized,single_line.c_str(),MAXBUF);
2392 userrec* old_comp = fd_ref_table[currfd];
2393 // we're gonna re-scan to check if the nick is gone, after every
2394 // command - if it has, we're gonna bail
2395 process_buffer(sanitized,current);
2396 // look for the user's record in case it's changed... if theyve quit,
2397 // we cant do anything more with their buffer, so bail.
2398 // there used to be an ugly, slow loop here. Now we have a reference
2399 // table, life is much easier (and FASTER)
2400 userrec* new_comp = fd_ref_table[currfd];
2401 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
2407 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
2409 log(DEBUG,"killing: %s",cu->nick);
2410 kill_link(cu,strerror(errno));
2414 // result EAGAIN means nothing read
2415 else if (result == EAGAIN)
2418 else if (result == 0)
2420 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
2421 kill_link(cu,"Client exited");
2422 log(DEBUG,"Bailing from client exit");
2427 void DoBackgroundUserStuff()
2429 for (user_hash::iterator count2 = clientlist.begin(); count2 != clientlist.end(); count2++)
2431 userrec* curr = NULL;
2433 curr = count2->second;
2434 if ((long)curr == -1)
2437 if ((curr) && (curr->fd != 0))
2439 int currfd = curr->fd;
2440 // we don't check the state of remote users.
2441 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
2443 curr->FlushWriteBuf();
2444 if (curr->GetWriteError() != "")
2446 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
2447 kill_link(curr,curr->GetWriteError().c_str());
2450 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
2451 // their connection class.
2452 if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
2454 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
2455 kill_link(curr,"Registration timeout");
2458 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
2460 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
2461 curr->dns_done = true;
2463 FullConnectUser(curr);
2464 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2467 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
2469 log(DEBUG,"dns done, registered=3, and modules ready, OK");
2470 FullConnectUser(curr);
2471 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2474 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
2476 if ((!curr->lastping) && (curr->registered == 7))
2478 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
2479 kill_link(curr,"Ping timeout");
2482 Write(curr->fd,"PING :%s",ServerName);
2483 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
2485 curr->nping = TIME+curr->pingmax; // was hard coded to 120
2492 void OpenLog(char** argv, int argc)
2494 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
2495 log_file = fopen(logpath.c_str(),"a+");
2498 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
2502 printf("Logging to ircd.log...\n");
2504 printf("Logging to %s...\n",logpath.c_str());
2512 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!");
2518 int InspIRCd(char** argv, int argc)
2520 struct sockaddr_in client,server;
2521 char addrs[MAXBUF][255];
2525 int clientportcount = 0;
2526 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
2528 OpenLog(argv, argc);
2530 SetupCommandTable();
2531 ReadConfig(true,NULL);
2532 AddServerName(ServerName);
2536 printf("WARNING: %s\n\n",DieValue);
2537 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
2540 log(DEBUG,"InspIRCd: startup: read config");
2542 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
2544 ConfValue("bind","port",count,configToken,&config_f);
2545 ConfValue("bind","address",count,Addr,&config_f);
2546 ConfValue("bind","type",count,Type,&config_f);
2547 if (!strcmp(Type,"servers"))
2549 // modules handle this bind type now.
2553 ports[clientportcount] = atoi(configToken);
2554 strlcpy(addrs[clientportcount],Addr,256);
2557 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
2559 portCount = clientportcount;
2561 log(DEBUG,"InspIRCd: startup: read %lu total client ports",(unsigned long)portCount);
2565 /* BugFix By Craig! :p */
2567 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
2569 ConfValue("module","name",count,configToken,&config_f);
2570 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
2571 if (!LoadModule(configToken))
2573 log(DEFAULT,"Exiting due to a module loader error.");
2574 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
2578 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
2580 startup_time = time(NULL);
2583 ConfValue("pid","file",0,PID,&config_f);
2584 // write once here, to try it out and make sure its ok
2587 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
2589 for (count = 0; count < portCount; count++)
2591 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
2593 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
2596 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
2598 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
2600 else /* well we at least bound to one socket so we'll continue */
2606 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
2608 /* if we didn't bind to anything then abort */
2609 if (boundPortCount == 0)
2611 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
2612 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
2617 printf("\nInspIRCd is now running!\n");
2621 log(VERBOSE,"Not forking as -nofork was specified");
2625 if (DaemonSeed() == ERROR)
2627 log(DEFAULT,"InspIRCd: startup: can't daemonise");
2628 printf("ERROR: could not go into daemon mode. Shutting down.\n");
2633 SE = new SocketEngine();
2635 /* Add the listening sockets used for client inbound connections
2636 * to the socket engine
2638 for (count = 0; count < portCount; count++)
2639 SE->AddFd(openSockfd[count],true,X_LISTEN);
2641 std::vector<int> activefds;
2644 bool expire_run = false;
2646 /* main loop, this never returns */
2649 #ifdef _POSIX_PRIORITY_SCHEDULING
2652 // we only read time() once per iteration rather than tons of times!
2656 #ifndef THREADED_DNS
2660 unsigned int numsockets = module_sockets.size();
2661 for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
2663 InspSocket* s = (InspSocket*)*a;
2664 if ((s) && (!s->Poll()))
2666 log(DEBUG,"Socket poll returned false, close and bail");
2668 module_sockets.erase(a);
2672 // we gained a socket, sarper
2673 if (module_sockets.size() != numsockets) break;
2676 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
2677 // them in a list, then reap the list every second or so.
2678 if (((TIME % 5) == 0) && (!expire_run))
2681 FOREACH_MOD OnBackgroundTimer(TIME);
2685 if ((TIME % 5) == 1)
2688 DoBackgroundUserStuff();
2690 SE->Wait(activefds);
2692 for (unsigned int activefd = 0; activefd < activefds.size(); activefd++)
2694 userrec* cu = fd_ref_table[activefds[activefd]];
2702 /* It maybe a listener */
2703 for (count = 0; count < boundPortCount; count++)
2705 if (activefds[activefd] == openSockfd[count])
2707 char target[MAXBUF], resolved[MAXBUF];
2708 length = sizeof (client);
2709 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
2710 log(DEBUG,"Accepted socket %d",incomingSockfd);
2711 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
2712 strlcpy (resolved, target, MAXBUF);
2713 if (incomingSockfd >= 0)
2715 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
2717 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
2718 log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
2722 WriteOpers("*** WARNING: accept() failed on port %lu (%s)",(unsigned long)ports[count],target);
2723 log(DEBUG,"accept failed: %lu",(unsigned long)ports[count]);
2732 /* This is never reached -- we hope! */