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>
65 #include "inspstring.h"
67 #include "helperfuncs.h"
69 #include "socketengine.h"
73 int LogLevel = DEFAULT;
74 char ServerName[MAXBUF];
76 char ServerDesc[MAXBUF];
77 char AdminName[MAXBUF];
78 char AdminEmail[MAXBUF];
79 char AdminNick[MAXBUF];
81 char restartpass[MAXBUF];
85 char PrefixQuit[MAXBUF];
86 char DieValue[MAXBUF];
87 char DNSServer[MAXBUF];
89 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
90 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
92 time_t startup_time = time(NULL);
93 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
94 int MaxConn = SOMAXCONN; // size of accept() backlog (128 by default on *BSD)
95 unsigned int SoftLimit = MAXCLIENTS;
96 extern int MaxWhoResults;
100 char DisabledCommands[MAXBUF];
102 bool AllowHalfop = true;
103 bool AllowProtect = true;
104 bool AllowFounder = true;
106 extern std::vector<Module*> modules;
107 std::vector<std::string> module_names;
108 extern std::vector<ircd_module*> factory;
110 std::vector<InspSocket*> module_sockets;
113 int openSockfd[MAXSOCKS];
115 bool unlimitcore = false;
117 time_t TIME = time(NULL), OLDTIME = time(NULL);
127 bool has_been_netsplit = false;
128 extern std::vector<std::string> include_stack;
130 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
131 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
132 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
133 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
134 typedef std::deque<command_t> command_table;
135 typedef std::map<std::string,time_t> autoconnects;
136 typedef std::vector<std::string> servernamelist;
138 // This table references users by file descriptor.
139 // its an array to make it VERY fast, as all lookups are referenced
140 // by an integer, meaning there is no need for a scan/search operation.
141 userrec* fd_ref_table[65536];
143 int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
149 user_hash clientlist;
152 command_table cmdlist;
153 autoconnects autoconns;
159 servernamelist servernames;
161 struct linger linger = { 0 };
162 char MyExecutable[1024];
163 int boundPortCount = 0;
164 int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
166 char ModPath[MAXBUF];
170 int has_channel(userrec *u, chanrec *c);
171 int usercount(chanrec *c);
172 int usercount_i(chanrec *c);
173 char* Passwd(userrec *user);
174 bool IsDenied(userrec *user);
175 void AddWhoWas(userrec* u);
177 std::stringstream config_f(stringstream::in | stringstream::out);
179 std::vector<userrec*> all_opers;
183 void AddOper(userrec* user)
185 log(DEBUG,"Oper added to optimization list");
186 all_opers.push_back(user);
189 void AddServerName(std::string servername)
191 log(DEBUG,"Adding server name: %s",servername.c_str());
192 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
194 if (*a == servername)
197 servernames.push_back(servername);
200 const char* FindServerNamePtr(std::string servername)
202 for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
204 if (*a == servername)
207 AddServerName(servername);
208 return FindServerNamePtr(servername);
211 void DeleteOper(userrec* user)
213 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
217 log(DEBUG,"Oper removed from optimization list");
224 std::string GetRevision()
226 char Revision[] = "$Revision$";
229 char *v2 = strtok_r(s1," ",&savept);
231 v2 = strtok_r(s1," ",&savept);
233 return std::string(v2);
237 std::string getservername()
242 std::string getserverdesc()
247 std::string getnetworkname()
252 std::string getadminname()
257 std::string getadminemail()
262 std::string getadminnick()
267 void ReadConfig(bool bail, userrec* user)
269 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
270 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF],SLIMT[MAXBUF];
272 std::stringstream errstr;
273 include_stack.clear();
275 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
278 log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str());
281 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
289 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
290 while (!errstr.eof())
292 errstr.getline(dataline,1024);
293 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
298 WriteOpers("There were errors in the configuration file:");
299 while (!errstr.eof())
301 errstr.getline(dataline,1024);
302 WriteOpers(dataline);
309 ConfValue("server","name",0,ServerName,&config_f);
310 ConfValue("server","description",0,ServerDesc,&config_f);
311 ConfValue("server","network",0,Network,&config_f);
312 ConfValue("admin","name",0,AdminName,&config_f);
313 ConfValue("admin","email",0,AdminEmail,&config_f);
314 ConfValue("admin","nick",0,AdminNick,&config_f);
315 ConfValue("files","motd",0,motd,&config_f);
316 ConfValue("files","rules",0,rules,&config_f);
317 ConfValue("power","diepass",0,diepass,&config_f);
318 ConfValue("power","pause",0,pauseval,&config_f);
319 ConfValue("power","restartpass",0,restartpass,&config_f);
320 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
321 ConfValue("die","value",0,DieValue,&config_f);
322 ConfValue("options","loglevel",0,dbg,&config_f);
323 ConfValue("options","netbuffersize",0,NB,&config_f);
324 ConfValue("options","maxwho",0,MW,&config_f);
325 ConfValue("options","allowhalfop",0,AH,&config_f);
326 ConfValue("options","allowprotect",0,AP,&config_f);
327 ConfValue("options","allowfounder",0,AF,&config_f);
328 ConfValue("dns","server",0,DNSServer,&config_f);
329 ConfValue("dns","timeout",0,DNT,&config_f);
330 ConfValue("options","moduledir",0,ModPath,&config_f);
331 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
332 ConfValue("options","somaxconn",0,MCON,&config_f);
333 ConfValue("options","softlimit",0,SLIMT,&config_f);
335 SoftLimit = atoi(SLIMT);
336 if ((SoftLimit < 1) || (SoftLimit > MAXCLIENTS))
338 log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
339 SoftLimit = MAXCLIENTS;
341 MaxConn = atoi(MCON);
342 if (MaxConn > SOMAXCONN)
343 log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
344 NetBufferSize = atoi(NB);
345 MaxWhoResults = atoi(MW);
346 dns_timeout = atoi(DNT);
352 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
354 strlcpy(ModPath,MOD_PATH,MAXBUF);
355 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
356 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
357 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
358 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
360 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
361 NetBufferSize = 10240;
363 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
365 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
368 if (!strcmp(dbg,"debug"))
370 if (!strcmp(dbg,"verbose"))
372 if (!strcmp(dbg,"default"))
374 if (!strcmp(dbg,"sparse"))
376 if (!strcmp(dbg,"none"))
379 log(DEFAULT,"Reading message of the day...");
380 readfile(RULES,rules);
381 log(DEFAULT,"Reading connect classes...");
383 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
386 ConfValue("connect","allow",i,Value,&config_f);
387 ConfValue("connect","timeout",i,timeout,&config_f);
388 ConfValue("connect","flood",i,flood,&config_f);
389 ConfValue("connect","pingfreq",i,pfreq,&config_f);
390 ConfValue("connect","threshold",i,thold,&config_f);
391 ConfValue("connect","sendq",i,sqmax,&config_f);
392 ConfValue("connect","recvq",i,rqmax,&config_f);
395 strlcpy(c.host,Value,MAXBUF);
397 strlcpy(Value,"",MAXBUF);
398 ConfValue("connect","password",i,Value,&config_f);
399 strlcpy(c.pass,Value,MAXBUF);
400 c.registration_timeout = 90; // default is 2 minutes
402 c.flood = atoi(flood);
404 c.sendqmax = 262144; // 256k
405 c.recvqmax = 4096; // 4k
408 c.threshold = atoi(thold);
412 c.sendqmax = atoi(sqmax);
416 c.recvqmax = atoi(rqmax);
420 c.registration_timeout = atoi(timeout);
424 c.pingtime = atoi(pfreq);
426 Classes.push_back(c);
427 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);
431 ConfValue("connect","deny",i,Value,&config_f);
432 strlcpy(c.host,Value,MAXBUF);
434 Classes.push_back(c);
435 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
439 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
440 read_xline_defaults();
441 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
445 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
447 char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
448 ConfValue("link","name",i,Link_ServerName,&config_f);
449 ConfValue("link","autoconnect",i,Link_AConn,&config_f);
450 if (strcmp(Link_AConn,""))
452 autoconns[std::string(Link_ServerName)] = atoi(Link_AConn) + time(NULL);
457 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
460 log(DEFAULT,"Adding and removing modules due to rehash...");
462 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
464 // store the old module names
465 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
467 old_module_names.push_back(*t);
470 // get the new module names
471 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
473 ConfValue("module","name",count2,Value,&config_f);
474 new_module_names.push_back(Value);
477 // now create a list of new modules that are due to be loaded
478 // and a seperate list of modules which are due to be unloaded
479 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
482 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
488 added_modules.push_back(*_new);
490 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
493 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
499 removed_modules.push_back(*oldm);
501 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
503 int rem = 0, add = 0;
504 if (!removed_modules.empty())
505 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
507 if (UnloadModule(removing->c_str()))
509 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
510 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
515 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
518 if (!added_modules.empty())
519 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
521 if (LoadModule(adding->c_str()))
523 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
524 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
529 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
532 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());
537 /* add a channel to a user, creating the record for it if needed and linking
538 * it to the user record */
540 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
542 if ((!user) || (!cn))
544 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
552 strncpy(cname,cn,MAXBUF);
554 // we MUST declare this wherever we use FOREACH_RESULT
557 if (strlen(cname) > CHANMAX)
559 cname[CHANMAX] = '\0';
562 log(DEBUG,"add_channel: %s %s",user->nick,cname);
564 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
566 return NULL; // already on the channel!
570 if (!FindChan(cname))
573 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
574 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 // the override flag allows us to bypass channel modes
606 // and bans (used by servers)
607 if ((!override) || (!strcasecmp(user->server,ServerName)))
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)
860 if (MOD_RESULT == ACR_DEFAULT)
862 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
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);
878 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
882 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
884 for (int i =0; i != MAXCHANS; i++)
886 /* zap it from the channel list of the user */
887 if (user->chans[i].channel)
888 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
890 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
891 user->chans[i].uc_modes = 0;
892 user->chans[i].channel = NULL;
893 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
898 Ptr->DelUser((char*)user);
900 /* if there are no users left on the channel */
903 chan_hash::iterator iter = chanlist.find(Ptr->name);
905 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
907 /* kill the record */
908 if (iter != chanlist.end())
910 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
912 chanlist.erase(iter);
920 /* This function pokes and hacks at a parameter list like the following:
922 * PART #winbot,#darkgalaxy :m00!
924 * to turn it into a series of individual calls like this:
927 * PART #darkgalaxy :m00!
929 * The seperate calls are sent to a callback function provided by the caller
930 * (the caller will usually call itself recursively). The callback function
931 * must be a command handler. Calling this function on a line with no list causes
932 * no action to be taken. You must provide a starting and ending parameter number
933 * where the range of the list can be found, useful if you have a terminating
934 * parameter as above which is actually not part of the list, or parameters
935 * before the actual list as well. This code is used by many functions which
936 * can function as "one to list" (see the RFC) */
938 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
943 char blog[32][MAXBUF];
944 char blog2[32][MAXBUF];
945 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
949 for (int i = 0; i <32; i++)
952 for (int i = 0; i <32; i++)
956 for (int i = 0; i <10; i++)
965 if (pcnt > 1) /* we have a key to copy */
967 strlcpy(keystr,parameters[1],MAXBUF);
971 if (!parameters[start])
975 if (!strchr(parameters[start],','))
980 for (int i = start; i <= end; i++)
984 strlcat(plist,parameters[i],MAXBUF);
992 for (int i = 0; i < t; i++)
997 strlcpy(blog[j++],param,MAXBUF);
1001 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
1006 strlcpy(blog[j++],param,MAXBUF);
1009 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
1014 if ((joins) && (keystr))
1016 if (strchr(keystr,','))
1020 t2 = strlen(keystr);
1021 for (int i = 0; i < t2; i++)
1023 if (keystr[i] == ',')
1026 strlcpy(blog2[j++],param,MAXBUF);
1030 strlcpy(blog2[j++],param,MAXBUF);
1035 for (j = 0; j < total; j++)
1041 for (q = end; q < pcnt-1; q++)
1043 if (parameters[q+1])
1045 pars[q-end+1] = parameters[q+1];
1048 if ((joins) && (parameters[1]))
1059 /* repeatedly call the function with the hacked parameter list */
1060 if ((joins) && (pcnt > 1))
1064 // pars[1] already set up and containing key from blog2[j]
1069 pars[1] = parameters[1];
1075 fn(pars,pcnt-(end-start),u);
1084 void kill_link(userrec *user,const char* r)
1086 user_hash::iterator iter = clientlist.find(user->nick);
1088 char reason[MAXBUF];
1090 strncpy(reason,r,MAXBUF);
1092 if (strlen(reason)>MAXQUIT)
1094 reason[MAXQUIT-1] = '\0';
1097 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1098 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1099 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1101 if (user->registered == 7) {
1102 FOREACH_MOD OnUserQuit(user,reason);
1103 WriteCommonExcept(user,"QUIT :%s",reason);
1106 user->FlushWriteBuf();
1108 FOREACH_MOD OnUserDisconnect(user);
1112 FOREACH_MOD OnRawSocketClose(user->fd);
1114 user->CloseSocket();
1117 // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
1118 // if they were an oper with +s.
1119 if (user->registered == 7) {
1120 purge_empty_chans(user);
1121 // fix by brain: only show local quits because we only show local connects (it just makes SENSE)
1122 if (!strcmp(user->server,ServerName))
1123 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1127 if (iter != clientlist.end())
1129 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1131 fd_ref_table[user->fd] = NULL;
1132 clientlist.erase(iter);
1137 void kill_link_silent(userrec *user,const char* r)
1139 user_hash::iterator iter = clientlist.find(user->nick);
1141 char reason[MAXBUF];
1143 strncpy(reason,r,MAXBUF);
1145 if (strlen(reason)>MAXQUIT)
1147 reason[MAXQUIT-1] = '\0';
1150 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1151 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1152 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
1154 user->FlushWriteBuf();
1156 if (user->registered == 7) {
1157 FOREACH_MOD OnUserQuit(user,reason);
1158 WriteCommonExcept(user,"QUIT :%s",reason);
1161 FOREACH_MOD OnUserDisconnect(user);
1165 FOREACH_MOD OnRawSocketClose(user->fd);
1167 user->CloseSocket();
1170 if (user->registered == 7) {
1171 purge_empty_chans(user);
1174 if (iter != clientlist.end())
1176 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
1178 fd_ref_table[user->fd] = NULL;
1179 clientlist.erase(iter);
1185 /*void *task(void *arg)
1188 cout << (char *)arg;
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")) {
1221 strlcpy(MyExecutable,argv[0],MAXBUF);
1223 // initialize the lowercase mapping table
1224 for (unsigned int cn = 0; cn < 256; cn++)
1226 // lowercase the uppercase chars
1227 for (unsigned int cn = 65; cn < 91; cn++)
1228 lowermap[cn] = tolower(cn);
1229 // now replace the specific chars for scandanavian comparison
1230 lowermap[(unsigned)'['] = '{';
1231 lowermap[(unsigned)']'] = '}';
1232 lowermap[(unsigned)'\\'] = '|';
1234 if (InspIRCd(argv,argc) == ERROR)
1236 log(DEFAULT,"main: daemon function bailed");
1237 printf("ERROR: could not initialise. Shutting down.\n");
1244 template<typename T> inline string ConvToStr(const T &in)
1247 if (!(tmp << in)) return string();
1251 /* re-allocates a nick in the user_hash after they change nicknames,
1252 * returns a pointer to the new user as it may have moved */
1254 userrec* ReHashNick(char* Old, char* New)
1256 //user_hash::iterator newnick;
1257 user_hash::iterator oldnick = clientlist.find(Old);
1259 log(DEBUG,"ReHashNick: %s %s",Old,New);
1261 if (!strcasecmp(Old,New))
1263 log(DEBUG,"old nick is new nick, skipping");
1264 return oldnick->second;
1267 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
1269 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
1271 userrec* olduser = oldnick->second;
1272 clientlist[New] = olduser;
1273 clientlist.erase(oldnick);
1275 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
1277 return clientlist[New];
1280 /* adds or updates an entry in the whowas list */
1281 void AddWhoWas(userrec* u)
1283 whowas_hash::iterator iter = whowas.find(u->nick);
1284 WhoWasUser *a = new WhoWasUser();
1285 strlcpy(a->nick,u->nick,NICKMAX);
1286 strlcpy(a->ident,u->ident,IDENTMAX);
1287 strlcpy(a->dhost,u->dhost,160);
1288 strlcpy(a->host,u->host,160);
1289 strlcpy(a->fullname,u->fullname,MAXGECOS);
1290 strlcpy(a->server,u->server,256);
1291 a->signon = u->signon;
1293 /* MAX_WHOWAS: max number of /WHOWAS items
1294 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
1295 * can be replaced by a newer one
1298 if (iter == whowas.end())
1300 if (whowas.size() >= (unsigned)WHOWAS_MAX)
1302 for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
1304 // 3600 seconds in an hour ;)
1305 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
1307 // delete the old one
1308 if (i->second) delete i->second;
1309 // replace with new one
1311 log(DEBUG,"added WHOWAS entry, purged an old record");
1315 // no space left and user doesnt exist. Don't leave ram in use!
1316 log(DEBUG,"Not able to update whowas (list at WHOWAS_MAX entries and trying to add new?), freeing excess ram");
1321 log(DEBUG,"added fresh WHOWAS entry");
1322 whowas[a->nick] = a;
1327 log(DEBUG,"updated WHOWAS entry");
1328 if (iter->second) delete iter->second;
1333 void* dns_task(void* arg)
1335 userrec* u = (userrec*)arg;
1336 log(DEBUG,"DNS thread for user %s",u->nick);
1341 if (dns1.ReverseLookup(u->ip))
1343 log(DEBUG,"DNS Step 1");
1344 while (!dns1.HasResult())
1348 host = dns1.GetResult();
1351 log(DEBUG,"DNS Step 2: '%s'",host.c_str());
1352 if (dns2.ForwardLookup(host))
1354 while (!dns2.HasResult())
1358 ip = dns2.GetResultIP();
1359 log(DEBUG,"DNS Step 3 '%s'(%d) '%s'(%d)",ip.c_str(),ip.length(),u->ip,strlen(u->ip));
1360 if (ip == std::string(u->ip))
1362 log(DEBUG,"DNS Step 4");
1363 if (host.length() < 160)
1365 log(DEBUG,"DNS Step 5");
1366 strcpy(u->host,host.c_str());
1376 /* add a client connection to the sockets list */
1377 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
1381 user_hash::iterator iter;
1383 tempnick = ConvToStr(socket) + "-unknown";
1384 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
1386 iter = clientlist.find(tempnick);
1389 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
1390 // using one as a registered connection. As theyre per fd, we can also safely assume
1391 // that we wont have collisions. Therefore, if the nick exists in the list, its only
1392 // used by a dead socket, erase the iterator so that the new client may reclaim it.
1393 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
1394 // issue in earlier alphas/betas
1395 if (iter != clientlist.end())
1397 userrec* goner = iter->second;
1399 clientlist.erase(iter);
1403 * It is OK to access the value here this way since we know
1404 * it exists, we just created it above.
1406 * At NO other time should you access a value in a map or a
1407 * hash_map this way.
1409 clientlist[tempnick] = new userrec();
1411 NonBlocking(socket);
1412 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
1414 clientlist[tempnick]->fd = socket;
1415 strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
1416 strlcpy(clientlist[tempnick]->host, host,160);
1417 strlcpy(clientlist[tempnick]->dhost, host,160);
1418 clientlist[tempnick]->server = (char*)FindServerNamePtr(ServerName);
1419 strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
1420 clientlist[tempnick]->registered = 0;
1421 clientlist[tempnick]->signon = TIME+dns_timeout;
1422 clientlist[tempnick]->lastping = 1;
1423 clientlist[tempnick]->port = port;
1424 strlcpy(clientlist[tempnick]->ip,ip,16);
1426 // set the registration timeout for this user
1427 unsigned long class_regtimeout = 90;
1428 int class_flood = 0;
1429 long class_threshold = 5;
1430 long class_sqmax = 262144; // 256kb
1431 long class_rqmax = 4096; // 4k
1433 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1435 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
1437 class_regtimeout = (unsigned long)i->registration_timeout;
1438 class_flood = i->flood;
1439 clientlist[tempnick]->pingmax = i->pingtime;
1440 class_threshold = i->threshold;
1441 class_sqmax = i->sendqmax;
1442 class_rqmax = i->recvqmax;
1447 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
1448 clientlist[tempnick]->timeout = TIME+class_regtimeout;
1449 clientlist[tempnick]->flood = class_flood;
1450 clientlist[tempnick]->threshold = class_threshold;
1451 clientlist[tempnick]->sendqmax = class_sqmax;
1452 clientlist[tempnick]->recvqmax = class_rqmax;
1454 for (int i = 0; i < MAXCHANS; i++)
1456 clientlist[tempnick]->chans[i].channel = NULL;
1457 clientlist[tempnick]->chans[i].uc_modes = 0;
1460 if (clientlist.size() > SoftLimit)
1462 kill_link(clientlist[tempnick],"No more connections allowed");
1466 if (clientlist.size() >= MAXCLIENTS)
1468 kill_link(clientlist[tempnick],"No more connections allowed");
1472 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
1473 // its a pretty big but for the moment valid assumption:
1474 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
1475 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
1476 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
1477 // which for the time being is a physical impossibility (even the largest networks dont have more
1478 // than about 10,000 users on ONE server!)
1479 if ((unsigned)socket > 65534)
1481 kill_link(clientlist[tempnick],"Server is full");
1486 char* e = matches_exception(ip);
1489 char* r = matches_zline(ip);
1492 char reason[MAXBUF];
1493 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
1494 kill_link(clientlist[tempnick],reason);
1498 fd_ref_table[socket] = clientlist[tempnick];
1501 // initialize their dns lookup thread
1502 //if (pthread_create(&clientlist[tempnick]->dnsthread, NULL, dns_task, (void *)clientlist[tempnick]) != 0)
1504 // log(DEBUG,"Failed to create DNS lookup thread for user %s",clientlist[tempnick]->nick);
1508 /* shows the message of the day, and any other on-logon stuff */
1509 void FullConnectUser(userrec* user)
1512 user->idle_lastmsg = TIME;
1513 log(DEBUG,"ConnectUser: %s",user->nick);
1515 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
1517 kill_link(user,"Invalid password");
1522 kill_link(user,"Unauthorised connection");
1526 char match_against[MAXBUF];
1527 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
1528 char* e = matches_exception(match_against);
1531 char* r = matches_gline(match_against);
1534 char reason[MAXBUF];
1535 snprintf(reason,MAXBUF,"G-Lined: %s",r);
1536 kill_link_silent(user,reason);
1539 r = matches_kline(user->host);
1542 char reason[MAXBUF];
1543 snprintf(reason,MAXBUF,"K-Lined: %s",r);
1544 kill_link_silent(user,reason);
1549 // fix by brain: move this below the xline checks to prevent spurious quits going onto the net that dont belong
1550 user->registered = 7;
1552 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
1553 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
1554 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
1555 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
1556 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
1557 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
1558 std::stringstream v;
1559 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
1560 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
1561 v << " TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=" << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=";
1563 std::string data005 = v.str();
1564 FOREACH_MOD On005Numeric(data005);
1565 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
1566 // so i'd better split it :)
1567 std::stringstream out(data005);
1568 std::string token = "";
1569 std::string line5 = "";
1570 int token_counter = 0;
1574 line5 = line5 + token + " ";
1576 if ((token_counter >= 13) || (out.eof() == true))
1578 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
1585 // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
1586 FOREACH_MOD OnUserConnect(user);
1587 FOREACH_MOD OnGlobalConnect(user);
1588 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
1592 /* shows the message of the day, and any other on-logon stuff */
1593 void ConnectUser(userrec *user)
1595 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
1596 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
1598 FullConnectUser(user);
1602 std::string GetVersionString()
1604 char Revision[] = "$Revision$";
1605 char versiondata[MAXBUF];
1606 char *s1 = Revision;
1608 char *v2 = strtok_r(s1," ",&savept);
1610 v2 = strtok_r(s1," ",&savept);
1612 char socketengine[] = engine_name;
1613 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
1617 void handle_version(char **parameters, int pcnt, userrec *user)
1619 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
1623 bool is_valid_cmd(const char* commandname, int pcnt, userrec * user)
1625 for (unsigned int i = 0; i < cmdlist.size(); i++)
1627 if (!strcasecmp(cmdlist[i].command,commandname))
1629 if (cmdlist[i].handler_function)
1631 if ((pcnt>=cmdlist[i].min_params) && (strcasecmp(cmdlist[i].source,"<core>")))
1633 if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
1635 if (cmdlist[i].flags_needed)
1637 if (!user->HasPermission(command))
1655 // calls a handler function for a command
1657 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
1659 for (unsigned 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)) || (!cmdlist[i].flags_needed))
1669 if (cmdlist[i].flags_needed)
1671 if (!user->HasPermission(command))
1673 cmdlist[i].handler_function(parameters,pcnt,user);
1678 cmdlist[i].handler_function(parameters,pcnt,user);
1688 void force_nickchange(userrec* user,const char* newnick)
1695 FOREACH_RESULT(OnUserPreNick(user,newnick));
1698 kill_link(user,"Nickname collision");
1701 if (matches_qline(newnick))
1704 kill_link(user,"Nickname collision");
1712 strncpy(nick,newnick,MAXBUF);
1714 if (user->registered == 7)
1718 handle_nick(pars,1,user);
1724 int process_parameters(char **command_p,char *parameters)
1727 int q = strlen(parameters);
1730 /* no parameters, command_p invalid! */
1733 if (parameters[0] == ':')
1735 command_p[0] = parameters+1;
1740 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
1742 /* only one parameter */
1743 command_p[0] = parameters;
1744 if (parameters[0] == ':')
1746 if (strchr(parameters,' ') != NULL)
1754 command_p[j++] = parameters;
1755 for (int i = 0; i <= q; i++)
1757 if (parameters[i] == ' ')
1759 command_p[j++] = parameters+i+1;
1760 parameters[i] = '\0';
1761 if (command_p[j-1][0] == ':')
1763 *command_p[j-1]++; /* remove dodgy ":" */
1765 /* parameter like this marks end of the sequence */
1769 return j; /* returns total number of items in the list */
1772 void process_command(userrec *user, char* cmd)
1776 char *command_p[127];
1777 char p[MAXBUF], temp[MAXBUF];
1778 int j, items, cmd_found;
1780 for (int i = 0; i < 127; i++)
1781 command_p[i] = NULL;
1796 int total_params = 0;
1799 for (unsigned int q = 0; q < strlen(cmd)-1; q++)
1801 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
1804 // found a 'trailing', we dont count them after this.
1812 // another phidjit bug...
1813 if (total_params > 126)
1815 *(strchr(cmd,' ')) = '\0';
1816 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
1820 strlcpy(temp,cmd,MAXBUF);
1822 std::string tmp = cmd;
1823 for (int i = 0; i <= MODCOUNT; i++)
1825 std::string oldtmp = tmp;
1826 modules[i]->OnServerRaw(tmp,true,user);
1829 log(DEBUG,"A Module changed the input string!");
1830 log(DEBUG,"New string: %s",tmp.c_str());
1831 log(DEBUG,"Old string: %s",oldtmp.c_str());
1835 strlcpy(cmd,tmp.c_str(),MAXBUF);
1836 strlcpy(temp,cmd,MAXBUF);
1838 if (!strchr(cmd,' '))
1840 /* no parameters, lets skip the formalities and not chop up
1842 log(DEBUG,"About to preprocess command with no params");
1844 command_p[0] = NULL;
1846 for (unsigned int i = 0; i <= strlen(cmd); i++)
1848 cmd[i] = toupper(cmd[i]);
1856 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
1857 for (unsigned int i = 0; i < strlen(temp); i++)
1859 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
1865 /* split the full string into a command plus parameters */
1869 if (strchr(cmd,' '))
1871 for (unsigned int i = 0; i <= strlen(cmd); i++)
1873 /* capitalise the command ONLY, leave params intact */
1874 cmd[i] = toupper(cmd[i]);
1875 /* are we nearly there yet?! :P */
1879 parameters = cmd+i+1;
1887 for (unsigned int i = 0; i <= strlen(cmd); i++)
1889 cmd[i] = toupper(cmd[i]);
1896 if (strlen(command)>MAXCOMMAND)
1898 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
1902 for (unsigned int x = 0; x < strlen(command); x++)
1904 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
1906 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
1908 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
1911 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
1918 for (unsigned int i = 0; i != cmdlist.size(); i++)
1920 if (cmdlist[i].command[0])
1922 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
1928 items = process_parameters(command_p,parameters);
1933 command_p[0] = NULL;
1939 command_p[0] = NULL;
1944 /* activity resets the ping pending timer */
1945 user->nping = TIME + user->pingmax;
1946 if ((items) < cmdlist[i].min_params)
1948 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
1949 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
1952 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
1954 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1955 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
1959 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
1961 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
1962 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
1966 /* if the command isnt USER, PASS, or NICK, and nick is empty,
1968 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
1970 if ((!isnick(user->nick)) || (user->registered != 7))
1972 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
1973 WriteServ(user->fd,"451 %s :You have not registered",command);
1977 if ((user->registered == 7) && (!strchr(user->modes,'o')))
1979 std::stringstream dcmds(DisabledCommands);
1980 while (!dcmds.eof())
1982 std::string thiscmd;
1984 if (!strcasecmp(thiscmd.c_str(),command))
1986 // command is disabled!
1987 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
1992 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
1994 if (cmdlist[i].handler_function)
1997 /* ikky /stats counters */
2000 cmdlist[i].use_count++;
2001 cmdlist[i].total_bytes+=strlen(temp);
2005 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
2006 if (MOD_RESULT == 1) {
2010 /* WARNING: nothing may come after the
2011 * command handler call, as the handler
2012 * may free the user structure! */
2014 cmdlist[i].handler_function(command_p,items,user);
2020 WriteServ(user->fd,"451 %s :You have not registered",command);
2028 if ((!cmd_found) && (user))
2031 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2035 bool removecommands(const char* source)
2037 bool go_again = true;
2041 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
2043 if (!strcmp(i->source,source))
2045 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
2056 void process_buffer(const char* cmdbuf,userrec *user)
2060 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2066 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2073 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
2075 strlcpy(cmd,cmdbuf,MAXBUF);
2080 int sl = strlen(cmd)-1;
2081 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2086 if ((cmd[sl] == 13) || (cmd[sl] == 10))
2091 while (cmd[sl] == ' ') // strip trailing spaces
2101 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
2103 if ((user) && (cmd))
2105 process_command(user,cmd);
2109 char MODERR[MAXBUF];
2116 void erase_factory(int j)
2119 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
2124 factory.push_back(NULL);
2131 void erase_module(int j)
2134 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
2140 modules.push_back(NULL);
2146 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
2150 module_names.erase(v);
2158 bool UnloadModule(const char* filename)
2160 std::string filename_str = filename;
2161 for (unsigned int j = 0; j != module_names.size(); j++)
2163 if (module_names[j] == filename_str)
2165 if (modules[j]->GetVersion().Flags & VF_STATIC)
2167 log(DEFAULT,"Failed to unload STATIC module %s",filename);
2168 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
2171 FOREACH_MOD OnUnloadModule(modules[j],module_names[j]);
2173 log(DEBUG,"Deleting module...");
2175 log(DEBUG,"Erasing module entry...");
2177 log(DEBUG,"Removing dependent commands...");
2178 removecommands(filename);
2179 log(DEFAULT,"Module %s unloaded",filename);
2184 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
2185 snprintf(MODERR,MAXBUF,"Module not loaded");
2189 bool LoadModule(const char* filename)
2191 char modfile[MAXBUF];
2193 snprintf(modfile,MAXBUF,"%s",filename);
2195 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
2197 std::string filename_str = filename;
2199 if (!DirValid(modfile))
2201 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
2202 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
2206 log(DEBUG,"Loading module: %s",modfile);
2208 if (FileExists(modfile))
2211 for (unsigned int j = 0; j < module_names.size(); j++)
2213 if (module_names[j] == filename_str)
2215 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
2216 snprintf(MODERR,MAXBUF,"Module already loaded");
2220 ircd_module* a = new ircd_module(modfile);
2221 factory[MODCOUNT+1] = a;
2222 if (factory[MODCOUNT+1]->LastError())
2224 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
2225 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
2229 if (factory[MODCOUNT+1]->factory)
2231 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
2232 modules[MODCOUNT+1] = m;
2233 /* save the module and the module's classfactory, if
2234 * this isnt done, random crashes can occur :/ */
2235 module_names.push_back(filename);
2239 log(DEFAULT,"Unable to load %s",modfile);
2240 snprintf(MODERR,MAXBUF,"Factory function failed!");
2247 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
2248 snprintf(MODERR,MAXBUF,"Module file could not be found");
2253 FOREACH_MOD OnLoadModule(modules[MODCOUNT],filename_str);
2258 int InspIRCd(char** argv, int argc)
2260 struct sockaddr_in client,server;
2261 char addrs[MAXBUF][255];
2262 int incomingSockfd, result = TRUE;
2266 int selectResult = 0, selectResult2 = 0;
2269 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
2272 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
2273 log_file = fopen(logpath.c_str(),"a+");
2276 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
2281 printf("Logging to ircd.log...\n");
2283 printf("Logging to %s...\n",logpath.c_str());
2286 log(DEFAULT,"$Id$");
2289 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
2291 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
2293 SetupCommandTable();
2294 log(DEBUG,"InspIRCd: startup: default command table set up");
2296 ReadConfig(true,NULL);
2299 printf("WARNING: %s\n\n",DieValue);
2300 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
2303 log(DEBUG,"InspIRCd: startup: read config");
2305 AddServerName(ServerName);
2307 int clientportcount = 0;
2309 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
2311 ConfValue("bind","port",count,configToken,&config_f);
2312 ConfValue("bind","address",count,Addr,&config_f);
2313 ConfValue("bind","type",count,Type,&config_f);
2314 if (!strcmp(Type,"servers"))
2316 // modules handle this bind type now.
2320 ports[clientportcount] = atoi(configToken);
2321 strlcpy(addrs[clientportcount],Addr,256);
2324 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
2326 portCount = clientportcount;
2328 log(DEBUG,"InspIRCd: startup: read %lu total client ports",(unsigned long)portCount);
2329 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
2333 /* BugFix By Craig! :p */
2335 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
2337 ConfValue("module","name",count,configToken,&config_f);
2338 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
2339 if (!LoadModule(configToken))
2341 log(DEFAULT,"Exiting due to a module loader error.");
2342 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
2346 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
2348 startup_time = time(NULL);
2351 ConfValue("pid","file",0,PID,&config_f);
2352 // write once here, to try it out and make sure its ok
2355 /* setup select call */
2357 FD_ZERO(&selectFds);
2359 log(DEBUG,"InspIRCd: startup: zero selects");
2360 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
2362 for (count = 0; count < portCount; count++)
2364 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
2366 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
2369 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
2371 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
2373 else /* well we at least bound to one socket so we'll continue */
2379 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
2381 /* if we didn't bind to anything then abort */
2382 if (boundPortCount == 0)
2384 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
2385 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
2390 printf("\nInspIRCd is now running!\n");
2394 log(VERBOSE,"Not forking as -nofork was specified");
2398 if (DaemonSeed() == ERROR)
2400 log(DEFAULT,"InspIRCd: startup: can't daemonise");
2401 printf("ERROR: could not go into daemon mode. Shutting down.\n");
2411 length = sizeof (client);
2414 tvs.tv_usec = 10000L;
2417 tv.tv_usec = 10000L;
2420 tval.tv_usec = 10000L;
2422 int total_in_this_set = 0;
2423 int i = 0, v = 0, j = 0, cycle_iter = 0;
2424 bool expire_run = false;
2426 cycle_iter = i = j = 0; // stop the compiler whining - these may be marked unused in certain socket engine types
2428 /* main loop, this never returns */
2431 #ifdef _POSIX_PRIORITY_SCHEDULING
2437 // we only read time() once per iteration rather than tons of times!
2443 unsigned int numsockets = module_sockets.size();
2444 for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
2446 InspSocket* s = (InspSocket*)*a;
2447 if ((s) && (!s->Poll()))
2449 log(DEBUG,"Socket poll returned false, close and bail");
2451 module_sockets.erase(a);
2455 // we gained a socket, sarper
2456 if (module_sockets.size() != numsockets) break;
2459 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
2460 // them in a list, then reap the list every second or so.
2461 if (((TIME % 5) == 0) && (!expire_run))
2464 FOREACH_MOD OnBackgroundTimer(TIME);
2468 if ((TIME % 5) == 1)
2471 // fix by brain - this must be below any manipulation of the hashmap by modules
2472 user_hash::iterator count2 = clientlist.begin();
2475 while (count2 != clientlist.end())
2481 total_in_this_set = 0;
2483 user_hash::iterator xcount = count2;
2484 user_hash::iterator endingiter = count2;
2486 if (count2 == clientlist.end()) break;
2488 userrec* curr = NULL;
2491 curr = count2->second;
2493 if ((long)curr == -1)
2496 if ((curr) && (curr->fd != 0))
2498 #ifdef _POSIX_PRIORITY_SCHEDULING
2501 // assemble up to 64 sockets into an fd_set
2502 // to implement a pooling mechanism.
2504 // This should be up to 64x faster than the
2505 // old implementation.
2507 while (total_in_this_set < 1024)
2509 if (count2 != clientlist.end())
2511 curr = count2->second;
2512 if ((long)curr == -1)
2514 int currfd = curr->fd;
2515 // we don't check the state of remote users.
2516 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
2518 curr->FlushWriteBuf();
2519 if (curr->GetWriteError() != "")
2521 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
2522 kill_link(curr,curr->GetWriteError().c_str());
2526 FD_SET (curr->fd, &sfd);
2528 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
2529 // their connection class.
2530 if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
2532 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
2533 kill_link(curr,"Registration timeout");
2536 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
2538 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
2539 curr->dns_done = true;
2541 FullConnectUser(curr);
2542 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2545 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
2547 log(DEBUG,"dns done, registered=3, and modules ready, OK");
2548 FullConnectUser(curr);
2549 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2552 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
2554 if ((!curr->lastping) && (curr->registered == 7))
2556 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
2557 kill_link(curr,"Ping timeout");
2560 Write(curr->fd,"PING :%s",ServerName);
2561 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
2563 curr->nping = TIME+curr->pingmax; // was hard coded to 120
2567 total_in_this_set++;
2571 endingiter = count2;
2572 count2 = xcount; // roll back to where we were
2574 // 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.
2575 // TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
2577 if (cycle_iter > 20) while (count2 != clientlist.end())
2580 if (count2 != clientlist.end())
2582 curr = count2->second;
2583 if ((long)curr == -1)
2585 int currfd = curr->fd;
2586 // we don't check the state of remote users.
2587 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
2589 curr->FlushWriteBuf();
2590 if (curr->GetWriteError() != "")
2592 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
2593 kill_link(curr,curr->GetWriteError().c_str());
2597 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
2598 // their connection class.
2599 if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
2601 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
2602 kill_link(curr,"Registration timeout");
2606 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
2608 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
2609 curr->dns_done = true;
2611 FullConnectUser(curr);
2612 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2615 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
2617 log(DEBUG,"dns done, registered=3, and modules ready, OK");
2618 FullConnectUser(curr);
2619 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
2622 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
2624 if ((!curr->lastping) && (curr->registered == 7))
2626 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
2627 kill_link(curr,"Ping timeout");
2630 Write(curr->fd,"PING :%s",ServerName);
2631 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
2633 curr->nping = TIME+curr->pingmax; // was hard coded to 120
2640 // increment the counter right to the end of the list, as kqueue processes everything in one go
2646 #ifdef _POSIX_PRIORITY_SCHEDULING
2652 log(DEBUG,"Data waiting on socket %d",cu->fd);
2655 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
2658 result = cu->ReadData(data, 65535);
2662 log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
2665 log(DEBUG,"Read result: %d",result);
2668 statsRecv += result;
2669 // perform a check on the raw buffer as an array (not a string!) to remove
2670 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
2671 // hopefully this should stop even more people whining about "Unknown command: *"
2672 for (int checker = 0; checker < result; checker++)
2674 if ((data[checker] == 0) || (data[checker] == 7))
2675 data[checker] = ' ';
2678 data[result] = '\0';
2679 userrec* current = cu;
2680 int currfd = current->fd;
2682 // add the data to the users buffer
2684 if (!current->AddBuffer(data))
2686 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
2687 if (current->registered == 7)
2689 kill_link(current,"RecvQ exceeded");
2693 WriteOpers("*** Excess flood from %s",current->ip);
2694 log(DEFAULT,"Excess flood from: %s",current->ip);
2695 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
2700 if (current->recvq.length() > (unsigned)NetBufferSize)
2702 if (current->registered == 7)
2704 kill_link(current,"RecvQ exceeded");
2708 WriteOpers("*** Excess flood from %s",current->ip);
2709 log(DEFAULT,"Excess flood from: %s",current->ip);
2710 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
2715 // while there are complete lines to process...
2716 while (current->BufferIsReady())
2719 if (TIME > current->reset_due)
2721 current->reset_due = TIME + current->threshold;
2722 current->lines_in = 0;
2724 current->lines_in++;
2725 if (current->lines_in > current->flood)
2727 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2728 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2729 kill_link(current,"Excess flood");
2732 if ((floodlines > current->flood) && (current->flood != 0))
2734 if (current->registered == 7)
2736 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2737 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2738 kill_link(current,"Excess flood");
2742 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
2747 char sanitized[MAXBUF];
2748 // use GetBuffer to copy single lines into the sanitized string
2749 std::string single_line = current->GetBuffer();
2750 current->bytes_in += single_line.length();
2752 if (single_line.length()>512)
2754 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2755 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
2756 kill_link(current,"Excess flood");
2759 strlcpy(sanitized,single_line.c_str(),MAXBUF);
2762 userrec* old_comp = fd_ref_table[currfd];
2763 // we're gonna re-scan to check if the nick is gone, after every
2764 // command - if it has, we're gonna bail
2765 process_buffer(sanitized,current);
2766 // look for the user's record in case it's changed... if theyve quit,
2767 // we cant do anything more with their buffer, so bail.
2768 // there used to be an ugly, slow loop here. Now we have a reference
2769 // table, life is much easier (and FASTER)
2770 userrec* new_comp = fd_ref_table[currfd];
2771 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
2779 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
2781 log(DEBUG,"killing: %s",cu->nick);
2782 kill_link(cu,strerror(errno));
2786 // result EAGAIN means nothing read
2787 if (result == EAGAIN)
2795 else if (result > 0)
2800 for (int q = 0; q < total_in_this_set; q++)
2806 #ifdef _POSIX_PRIORITY_SCHEDULING
2812 char target[MAXBUF], resolved[MAXBUF];
2813 length = sizeof (client);
2814 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
2815 log(DEBUG,"Accepted socket %d",incomingSockfd);
2817 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
2818 strlcpy (resolved, target, MAXBUF);
2820 if (incomingSockfd < 0)
2822 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
2823 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
2828 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
2830 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
2831 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
2838 #ifdef _POSIX_PRIORITY_SCHEDULING
2844 close (incomingSockfd);