1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
22 #include "inspircd_io.h"
23 #include "inspircd_util.h"
24 #include "inspircd_config.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
34 #include <ext/hash_map>
46 #include "connection.h"
58 #include "inspstring.h"
62 #define nspace __gnu_cxx
67 int LogLevel = DEFAULT;
68 char ServerName[MAXBUF];
70 char ServerDesc[MAXBUF];
71 char AdminName[MAXBUF];
72 char AdminEmail[MAXBUF];
73 char AdminNick[MAXBUF];
75 char restartpass[MAXBUF];
79 char PrefixQuit[MAXBUF];
80 char DieValue[MAXBUF];
81 char DNSServer[MAXBUF];
83 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
84 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
86 time_t startup_time = time(NULL);
87 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
88 extern int MaxWhoResults;
92 char DisabledCommands[MAXBUF];
94 bool AllowHalfop = true;
95 bool AllowProtect = true;
96 bool AllowFounder = true;
98 extern std::vector<Module*> modules;
99 std::vector<std::string> module_names;
100 extern std::vector<ircd_module*> factory;
103 int openSockfd[MAXSOCKS];
105 bool unlimitcore = false;
107 time_t TIME = time(NULL);
112 template<> struct hash<in_addr>
114 template<> struct nspace::hash<in_addr>
117 size_t operator()(const struct in_addr &a) const
120 memcpy(&q,&a,sizeof(size_t));
125 template<> struct hash<string>
127 template<> struct nspace::hash<string>
130 size_t operator()(const string &s) const
133 static struct hash<const char *> strhash;
134 strlcpy(a,s.c_str(),MAXBUF);
145 bool operator()(const string& s1, const string& s2) const
147 char a[MAXBUF],b[MAXBUF];
148 strlcpy(a,s1.c_str(),MAXBUF);
149 strlcpy(b,s2.c_str(),MAXBUF);
152 return (strcasecmp(a,b) == 0);
157 struct InAddr_HashComp
160 bool operator()(const in_addr &s1, const in_addr &s2) const
165 memcpy(&q,&s1,sizeof(size_t));
166 memcpy(&p,&s2,sizeof(size_t));
174 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
175 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
176 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
177 typedef std::deque<command_t> command_table;
179 // This table references users by file descriptor.
180 // its an array to make it VERY fast, as all lookups are referenced
181 // by an integer, meaning there is no need for a scan/search operation.
182 userrec* fd_ref_table[65536];
188 user_hash clientlist;
191 command_table cmdlist;
198 struct linger linger = { 0 };
199 char MyExecutable[1024];
200 int boundPortCount = 0;
201 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
202 int defaultRoute = 0;
203 char ModPath[MAXBUF];
207 int has_channel(userrec *u, chanrec *c);
208 int usercount(chanrec *c);
209 int usercount_i(chanrec *c);
210 char* Passwd(userrec *user);
211 bool IsDenied(userrec *user);
212 void AddWhoWas(userrec* u);
214 std::vector<long> auth_cookies;
215 std::stringstream config_f(stringstream::in | stringstream::out);
217 std::vector<userrec*> all_opers;
219 void AddOper(userrec* user)
221 log(DEBUG,"Oper added to optimization list");
222 all_opers.push_back(user);
225 void DeleteOper(userrec* user)
227 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
231 log(DEBUG,"Oper removed from optimization list");
240 char Revision[] = "$Revision$";
243 char *v2 = strtok_r(s1," ",&savept);
245 v2 = strtok_r(s1," ",&savept);
247 return (long)(atof(v2)*10000);
251 std::string getservername()
256 std::string getserverdesc()
261 std::string getnetworkname()
266 std::string getadminname()
271 std::string getadminemail()
276 std::string getadminnick()
281 void log(int level,char *text, ...)
283 char textbuffer[MAXBUF];
286 struct tm * timeinfo;
287 if (level < LogLevel)
291 timeinfo = localtime (&rawtime);
296 va_start (argsPtr, text);
297 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
299 strlcpy(b,asctime(timeinfo),MAXBUF);
300 b[24] = ':'; // we know this is the end of the time string
301 fprintf(log_file,"%s %s\n",b,textbuffer);
304 // nofork enabled? display it on terminal too
305 printf("%s %s\n",b,textbuffer);
310 void readfile(file_cache &F, const char* fname)
313 char linebuf[MAXBUF];
315 log(DEBUG,"readfile: loading %s",fname);
317 file = fopen(fname,"r");
322 fgets(linebuf,sizeof(linebuf),file);
323 linebuf[strlen(linebuf)-1]='\0';
330 F.push_back(linebuf);
337 log(DEBUG,"readfile: failed to load file: %s",fname);
339 log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size());
342 void ReadConfig(bool bail, userrec* user)
344 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
345 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF];
347 std::stringstream errstr;
349 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
354 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
362 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
363 while (!errstr.eof())
365 errstr.getline(dataline,1024);
366 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
371 WriteOpers("There were errors in the configuration file:",user->nick);
372 while (!errstr.eof())
374 errstr.getline(dataline,1024);
375 WriteOpers(dataline);
382 ConfValue("server","name",0,ServerName,&config_f);
383 ConfValue("server","description",0,ServerDesc,&config_f);
384 ConfValue("server","network",0,Network,&config_f);
385 ConfValue("admin","name",0,AdminName,&config_f);
386 ConfValue("admin","email",0,AdminEmail,&config_f);
387 ConfValue("admin","nick",0,AdminNick,&config_f);
388 ConfValue("files","motd",0,motd,&config_f);
389 ConfValue("files","rules",0,rules,&config_f);
390 ConfValue("power","diepass",0,diepass,&config_f);
391 ConfValue("power","pause",0,pauseval,&config_f);
392 ConfValue("power","restartpass",0,restartpass,&config_f);
393 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
394 ConfValue("die","value",0,DieValue,&config_f);
395 ConfValue("options","loglevel",0,dbg,&config_f);
396 ConfValue("options","netbuffersize",0,NB,&config_f);
397 ConfValue("options","maxwho",0,MW,&config_f);
398 ConfValue("options","allowhalfop",0,AH,&config_f);
399 ConfValue("options","allowprotect",0,AP,&config_f);
400 ConfValue("options","allowfounder",0,AF,&config_f);
401 ConfValue("dns","server",0,DNSServer,&config_f);
402 ConfValue("dns","timeout",0,DNT,&config_f);
403 ConfValue("options","moduledir",0,ModPath,&config_f);
404 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
406 NetBufferSize = atoi(NB);
407 MaxWhoResults = atoi(MW);
408 dns_timeout = atoi(DNT);
412 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
414 strlcpy(ModPath,MOD_PATH,MAXBUF);
415 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
416 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
417 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
418 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
420 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
421 NetBufferSize = 10240;
423 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
425 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
428 if (!strcmp(dbg,"debug"))
430 if (!strcmp(dbg,"verbose"))
432 if (!strcmp(dbg,"default"))
434 if (!strcmp(dbg,"sparse"))
436 if (!strcmp(dbg,"none"))
439 log(DEFAULT,"Reading message of the day...");
440 readfile(RULES,rules);
441 log(DEFAULT,"Reading connect classes...");
443 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
446 ConfValue("connect","allow",i,Value,&config_f);
447 ConfValue("connect","timeout",i,timeout,&config_f);
448 ConfValue("connect","flood",i,flood,&config_f);
449 ConfValue("connect","pingfreq",i,pfreq,&config_f);
450 ConfValue("connect","threshold",i,thold,&config_f);
453 strlcpy(c.host,Value,MAXBUF);
455 strlcpy(Value,"",MAXBUF);
456 ConfValue("connect","password",i,Value,&config_f);
457 strlcpy(c.pass,Value,MAXBUF);
458 c.registration_timeout = 90; // default is 2 minutes
460 c.flood = atoi(flood);
464 c.threshold = atoi(thold);
468 c.registration_timeout = atoi(timeout);
472 c.pingtime = atoi(pfreq);
474 Classes.push_back(c);
475 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);
479 ConfValue("connect","deny",i,Value,&config_f);
480 strlcpy(c.host,Value,MAXBUF);
482 Classes.push_back(c);
483 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
487 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
488 read_xline_defaults();
489 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
491 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
494 log(DEFAULT,"Adding and removing modules due to rehash...");
496 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
498 // store the old module names
499 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
501 old_module_names.push_back(*t);
504 // get the new module names
505 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
507 ConfValue("module","name",count2,Value,&config_f);
508 new_module_names.push_back(Value);
511 // now create a list of new modules that are due to be loaded
512 // and a seperate list of modules which are due to be unloaded
513 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
516 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
522 added_modules.push_back(*_new);
524 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
527 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
533 removed_modules.push_back(*oldm);
535 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
537 int rem = 0, add = 0;
538 if (!removed_modules.empty())
539 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
541 if (UnloadModule(removing->c_str()))
543 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
544 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
549 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
552 if (!added_modules.empty())
553 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
555 if (LoadModule(adding->c_str()))
557 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
558 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
563 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
566 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());
570 /* write formatted text to a socket, in same format as printf */
572 void Write(int sock,char *text, ...)
574 if (sock == FD_MAGIC_NUMBER)
578 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
581 char textbuffer[MAXBUF];
585 va_start (argsPtr, text);
586 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
588 int bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
593 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 514 ? 514 : bytes));
595 write(sock,tb,bytes > 514 ? 514 : bytes);
596 if (fd_ref_table[sock])
598 fd_ref_table[sock]->bytes_out += (bytes > 514 ? 514 : bytes);
599 fd_ref_table[sock]->cmds_out++;
604 /* write a server formatted numeric response to a single socket */
606 void WriteServ(int sock, char* text, ...)
608 if (sock == FD_MAGIC_NUMBER)
612 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
615 char textbuffer[MAXBUF],tb[MAXBUF];
617 va_start (argsPtr, text);
619 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
621 int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",ServerName,textbuffer);
626 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 514 ? 514 : bytes));
628 write(sock,tb,bytes > 514 ? 514 : bytes);
629 if (fd_ref_table[sock])
631 fd_ref_table[sock]->bytes_out += (bytes > 514 ? 514 : bytes);
632 fd_ref_table[sock]->cmds_out++;
637 /* write text from an originating user to originating user */
639 void WriteFrom(int sock, userrec *user,char* text, ...)
641 if (sock == FD_MAGIC_NUMBER)
643 if ((!text) || (!user))
645 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
648 char textbuffer[MAXBUF],tb[MAXBUF];
650 va_start (argsPtr, text);
652 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
654 int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
659 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 514 ? 514 : bytes));
661 write(sock,tb,bytes > 514 ? 514 : bytes);
662 if (fd_ref_table[sock])
664 fd_ref_table[sock]->bytes_out += (bytes > 514 ? 514 : bytes);
665 fd_ref_table[sock]->cmds_out++;
670 /* write text to an destination user from a source user (e.g. user privmsg) */
672 void WriteTo(userrec *source, userrec *dest,char *data, ...)
674 if ((!dest) || (!data))
676 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
679 if (dest->fd == FD_MAGIC_NUMBER)
681 char textbuffer[MAXBUF],tb[MAXBUF];
683 va_start (argsPtr, data);
684 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
688 // if no source given send it from the server.
691 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
695 WriteFrom(dest->fd,source,"%s",textbuffer);
699 /* write formatted text from a source user to all users on a channel
700 * including the sender (NOT for privmsg, notice etc!) */
702 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
704 if ((!Ptr) || (!user) || (!text))
706 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
709 char textbuffer[MAXBUF];
711 va_start (argsPtr, text);
712 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
715 std::vector<char*> *ulist = Ptr->GetUsers();
716 for (int j = 0; j < ulist->size(); j++)
718 char* o = (*ulist)[j];
719 userrec* otheruser = (userrec*)o;
720 if (otheruser->fd != FD_MAGIC_NUMBER)
721 WriteTo(user,otheruser,"%s",textbuffer);
725 /* write formatted text from a source user to all users on a channel
726 * including the sender (NOT for privmsg, notice etc!) doesnt send to
727 * users on remote servers */
729 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
731 if ((!Ptr) || (!text))
733 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
736 char textbuffer[MAXBUF];
738 va_start (argsPtr, text);
739 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
742 std::vector<char*> *ulist = Ptr->GetUsers();
743 for (int j = 0; j < ulist->size(); j++)
745 char* o = (*ulist)[j];
746 userrec* otheruser = (userrec*)o;
747 if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser->fd != -1) && (otheruser != user))
751 WriteServ(otheruser->fd,"%s",textbuffer);
755 WriteTo(user,otheruser,"%s",textbuffer);
762 void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
764 if ((!Ptr) || (!text))
766 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
769 char textbuffer[MAXBUF];
771 va_start (argsPtr, text);
772 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
776 std::vector<char*> *ulist = Ptr->GetUsers();
777 for (int j = 0; j < ulist->size(); j++)
779 char* o = (*ulist)[j];
780 userrec* otheruser = (userrec*)o;
781 if (otheruser->fd != FD_MAGIC_NUMBER)
782 WriteServ(otheruser->fd,"%s",textbuffer);
787 /* write formatted text from a source user to all users on a channel except
788 * for the sender (for privmsg etc) */
790 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
792 if ((!Ptr) || (!user) || (!text))
794 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
797 char textbuffer[MAXBUF];
799 va_start (argsPtr, text);
800 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
803 std::vector<char*> *ulist = Ptr->GetUsers();
804 for (int j = 0; j < ulist->size(); j++)
806 char* o = (*ulist)[j];
807 userrec* otheruser = (userrec*)o;
808 if ((otheruser->fd != FD_MAGIC_NUMBER) && (user != otheruser))
809 WriteFrom(otheruser->fd,user,"%s",textbuffer);
814 std::string GetServerDescription(char* servername)
816 for (int j = 0; j < 32; j++)
820 for (int k = 0; k < me[j]->connectors.size(); k++)
822 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
824 return me[j]->connectors[k].GetDescription();
828 return ServerDesc; // not a remote server that can be found, it must be me.
833 /* write a formatted string to all users who share at least one common
834 * channel, including the source user e.g. for use in NICK */
836 void WriteCommon(userrec *u, char* text, ...)
840 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
844 if (u->registered != 7) {
845 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
849 char textbuffer[MAXBUF];
851 va_start (argsPtr, text);
852 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
855 // FIX: Stops a message going to the same person more than once
856 std::vector<int> already_sent;
858 for (int i = 0; i < MAXCHANS; i++)
860 if (u->chans[i].channel)
862 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
863 for (int j = 0; j < ulist->size(); j++)
865 char* o = (*ulist)[j];
866 userrec* otheruser = (userrec*)o;
868 for (int t = 0; t < already_sent.size(); t++)
870 if (already_sent[t] == otheruser->fd)
878 already_sent.push_back(otheruser->fd);
879 WriteFrom(otheruser->fd,u,"%s",textbuffer);
884 // if the user was not in any channels, no users will receive the text. Make sure the user
885 // receives their OWN message for WriteCommon
886 if (!already_sent.size())
888 WriteFrom(u->fd,u,"%s",textbuffer);
892 /* write a formatted string to all users who share at least one common
893 * channel, NOT including the source user e.g. for use in QUIT */
895 void WriteCommonExcept(userrec *u, char* text, ...)
899 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
903 if (u->registered != 7) {
904 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
908 char textbuffer[MAXBUF];
910 va_start (argsPtr, text);
911 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
914 std::vector<int> already_sent;
916 for (int i = 0; i < MAXCHANS; i++)
918 if (u->chans[i].channel)
920 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
921 for (int j = 0; j < ulist->size(); j++)
923 char* o = (*ulist)[j];
924 userrec* otheruser = (userrec*)o;
928 for (int t = 0; t < already_sent.size(); t++)
930 if (already_sent[t] == otheruser->fd)
938 already_sent.push_back(otheruser->fd);
939 WriteFrom(otheruser->fd,u,"%s",textbuffer);
947 void WriteOpers(char* text, ...)
951 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
955 char textbuffer[MAXBUF];
957 va_start (argsPtr, text);
958 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
961 for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
964 if ((a) && (a->fd != FD_MAGIC_NUMBER))
966 if (strchr(a->modes,'s'))
968 // send server notices to all with +s
969 WriteServ(a->fd,"NOTICE %s :%s",a->nick,textbuffer);
975 void NoticeAllOpers(userrec *source, bool local_only, char* text, ...)
977 if ((!text) || (!source))
979 log(DEFAULT,"*** BUG *** NoticeAllOpers was given an invalid parameter");
983 char textbuffer[MAXBUF];
985 va_start (argsPtr, text);
986 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
989 for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
992 if ((a) && (a->fd != FD_MAGIC_NUMBER))
994 if (strchr(a->modes,'s'))
996 // send server notices to all with +s
997 WriteServ(a->fd,"NOTICE %s :*** Notice From %s: %s",a->nick,source->nick,textbuffer);
1004 char buffer[MAXBUF];
1005 snprintf(buffer,MAXBUF,"V %s @* :%s",source->nick,textbuffer);
1006 NetSendToAll(buffer);
1010 // returns TRUE of any users on channel C occupy server 'servername'.
1012 bool ChanAnyOnThisServer(chanrec *c,char* servername)
1014 log(DEBUG,"ChanAnyOnThisServer");
1016 std::vector<char*> *ulist = c->GetUsers();
1017 for (int j = 0; j < ulist->size(); j++)
1019 char* o = (*ulist)[j];
1020 userrec* user = (userrec*)o;
1021 if (!strcasecmp(user->server,servername))
1027 // returns true if user 'u' shares any common channels with any users on server 'servername'
1029 bool CommonOnThisServer(userrec* u,const char* servername)
1031 log(DEBUG,"ChanAnyOnThisServer");
1033 for (int i = 0; i < MAXCHANS; i++)
1035 if (u->chans[i].channel)
1037 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
1038 for (int j = 0; j < ulist->size(); j++)
1040 char* o = (*ulist)[j];
1041 userrec* user = (userrec*)o;
1042 if (!strcasecmp(user->server,servername))
1051 void NetSendToCommon(userrec* u, char* s)
1053 char buffer[MAXBUF];
1054 snprintf(buffer,MAXBUF,"%s",s);
1056 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
1058 std::string msg = buffer;
1059 FOREACH_MOD OnPacketTransmit(msg,s);
1060 strlcpy(buffer,msg.c_str(),MAXBUF);
1062 for (int j = 0; j < 32; j++)
1066 for (int k = 0; k < me[j]->connectors.size(); k++)
1068 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
1070 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1078 void NetSendToAll(char* s)
1080 char buffer[MAXBUF];
1081 snprintf(buffer,MAXBUF,"%s",s);
1083 log(DEBUG,"NetSendToAll: '%s'",s);
1085 std::string msg = buffer;
1086 FOREACH_MOD OnPacketTransmit(msg,s);
1087 strlcpy(buffer,msg.c_str(),MAXBUF);
1089 for (int j = 0; j < 32; j++)
1093 for (int k = 0; k < me[j]->connectors.size(); k++)
1095 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1101 void NetSendToAllAlive(char* s)
1103 char buffer[MAXBUF];
1104 snprintf(buffer,MAXBUF,"%s",s);
1106 log(DEBUG,"NetSendToAllAlive: '%s'",s);
1108 std::string msg = buffer;
1109 FOREACH_MOD OnPacketTransmit(msg,s);
1110 strlcpy(buffer,msg.c_str(),MAXBUF);
1112 for (int j = 0; j < 32; j++)
1116 for (int k = 0; k < me[j]->connectors.size(); k++)
1118 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
1120 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1124 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
1132 void NetSendToOne(char* target,char* s)
1134 char buffer[MAXBUF];
1135 snprintf(buffer,MAXBUF,"%s",s);
1137 log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
1139 std::string msg = buffer;
1140 FOREACH_MOD OnPacketTransmit(msg,s);
1141 strlcpy(buffer,msg.c_str(),MAXBUF);
1143 for (int j = 0; j < 32; j++)
1147 for (int k = 0; k < me[j]->connectors.size(); k++)
1149 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
1151 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1158 void NetSendToAllExcept(const char* target,char* s)
1160 char buffer[MAXBUF];
1161 snprintf(buffer,MAXBUF,"%s",s);
1163 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
1165 std::string msg = buffer;
1166 FOREACH_MOD OnPacketTransmit(msg,s);
1167 strlcpy(buffer,msg.c_str(),MAXBUF);
1169 for (int j = 0; j < 32; j++)
1173 for (int k = 0; k < me[j]->connectors.size(); k++)
1175 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
1177 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1185 void WriteMode(const char* modes, int flags, const char* text, ...)
1187 if ((!text) || (!modes) || (!flags))
1189 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
1193 char textbuffer[MAXBUF];
1195 va_start (argsPtr, text);
1196 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1198 int modelen = strlen(modes);
1200 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1202 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1204 bool send_to_user = false;
1206 if (flags == WM_AND)
1208 send_to_user = true;
1209 for (int n = 0; n < modelen; n++)
1211 if (!hasumode(i->second,modes[n]))
1213 send_to_user = false;
1218 else if (flags == WM_OR)
1220 send_to_user = false;
1221 for (int n = 0; n < modelen; n++)
1223 if (hasumode(i->second,modes[n]))
1225 send_to_user = true;
1233 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
1240 void NoticeAll(userrec *source, bool local_only, char* text, ...)
1242 if ((!text) || (!source))
1244 log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter");
1248 char textbuffer[MAXBUF];
1250 va_start (argsPtr, text);
1251 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1254 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1256 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1258 WriteFrom(i->second->fd,source,"NOTICE $* :%s",textbuffer);
1264 char buffer[MAXBUF];
1265 snprintf(buffer,MAXBUF,"V %s * :%s",source->nick,textbuffer);
1266 NetSendToAll(buffer);
1271 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
1273 if ((!text) || (!source))
1275 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
1279 char textbuffer[MAXBUF];
1281 va_start (argsPtr, text);
1282 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1285 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1287 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1289 if (strchr(i->second->modes,'w'))
1291 WriteTo(source,i->second,"WALLOPS :%s",textbuffer);
1298 char buffer[MAXBUF];
1299 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
1300 NetSendToAll(buffer);
1304 /* convert a string to lowercase. Note following special circumstances
1305 * taken from RFC 1459. Many "official" server branches still hold to this
1306 * rule so i will too;
1308 * Because of IRC's scandanavian origin, the characters {}| are
1309 * considered to be the lower case equivalents of the characters []\,
1310 * respectively. This is a critical issue when determining the
1311 * equivalence of two nicknames.
1314 void strlower(char *n)
1320 for (int i = 0; n[i] != 0; i++)
1322 n[i] = tolower(n[i]);
1334 /* Find a user record by nickname and return a pointer to it */
1336 userrec* Find(std::string nick)
1338 user_hash::iterator iter = clientlist.find(nick);
1340 if (iter == clientlist.end())
1341 /* Couldn't find it */
1344 return iter->second;
1347 /* find a channel record by channel name and return a pointer to it */
1349 chanrec* FindChan(const char* chan)
1353 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1357 chan_hash::iterator iter = chanlist.find(chan);
1359 if (iter == chanlist.end())
1360 /* Couldn't find it */
1363 return iter->second;
1367 long GetMaxBans(char* name)
1370 for (int count = 0; count < ConfValueEnum("banlist",&config_f); count++)
1372 ConfValue("banlist","chan",count,CM,&config_f);
1375 ConfValue("banlist","limit",count,CM,&config_f);
1383 void purge_empty_chans(userrec* u)
1386 int go_again = 1, purge = 0;
1388 // firstly decrement the count on each channel
1389 for (int f = 0; f < MAXCHANS; f++)
1391 if (u->chans[f].channel)
1393 u->chans[f].channel->DecUserCounter();
1394 u->chans[f].channel->DelUser((char*)u);
1398 for (int i = 0; i < MAXCHANS; i++)
1400 if (u->chans[i].channel)
1402 if (!usercount(u->chans[i].channel))
1404 chan_hash::iterator i2 = chanlist.find(u->chans[i].channel->name);
1405 /* kill the record */
1406 if (i2 != chanlist.end())
1408 log(DEBUG,"del_channel: destroyed: %s",i2->second->name);
1414 u->chans[i].channel = NULL;
1419 log(DEBUG,"skipped purge for %s",u->chans[i].channel->name);
1423 log(DEBUG,"completed channel purge, killed %lu",(unsigned long)purge);
1429 char scratch[MAXBUF];
1430 char sparam[MAXBUF];
1432 char* chanmodes(chanrec *chan)
1436 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1443 if (chan->noexternal)
1445 strlcat(scratch,"n",MAXMODES);
1447 if (chan->topiclock)
1449 strlcat(scratch,"t",MAXMODES);
1453 strlcat(scratch,"k",MAXMODES);
1457 strlcat(scratch,"l",MAXMODES);
1459 if (chan->inviteonly)
1461 strlcat(scratch,"i",MAXMODES);
1463 if (chan->moderated)
1465 strlcat(scratch,"m",MAXMODES);
1469 strlcat(scratch,"s",MAXMODES);
1471 if (chan->c_private)
1473 strlcat(scratch,"p",MAXMODES);
1477 strlcat(sparam," ",MAXBUF);
1478 strlcat(sparam,chan->key,MAXBUF);
1483 sprintf(foo," %lu",(unsigned long)chan->limit);
1484 strlcat(sparam,foo,MAXBUF);
1486 if (*chan->custom_modes)
1488 strlcat(scratch,chan->custom_modes,MAXMODES);
1489 for (int z = 0; chan->custom_modes[z] != 0; z++)
1491 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1494 strlcat(sparam," ",MAXBUF);
1495 strlcat(sparam,extparam.c_str(),MAXBUF);
1499 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1500 strlcat(scratch,sparam,MAXMODES);
1505 /* compile a userlist of a channel into a string, each nick seperated by
1506 * spaces and op, voice etc status shown as @ and + */
1508 void userlist(userrec *user,chanrec *c)
1510 if ((!c) || (!user))
1512 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1516 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1517 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1519 if (has_channel(i->second,c))
1521 if (isnick(i->second->nick))
1523 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1525 /* user is +i, and source not on the channel, does not show
1526 * nick in NAMES list */
1529 strlcat(list,cmode(i->second,c),MAXBUF);
1530 strlcat(list,i->second->nick,MAXBUF);
1531 strlcat(list," ",MAXBUF);
1532 if (strlen(list)>(480-NICKMAX))
1534 /* list overflowed into
1535 * multiple numerics */
1536 WriteServ(user->fd,"%s",list);
1537 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1542 /* if whats left in the list isnt empty, send it */ if (list[strlen(list)-1] != ':')
1544 WriteServ(user->fd,"%s",list);
1548 /* return a count of the users on a specific channel accounting for
1549 * invisible users who won't increase the count. e.g. for /LIST */
1551 int usercount_i(chanrec *c)
1557 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1562 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1566 if (has_channel(i->second,c))
1568 if (isnick(i->second->nick))
1570 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1572 /* user is +i, and source not on the channel, does not show
1573 * nick in NAMES list */
1581 log(DEBUG,"usercount_i: %s %lu",c->name,(unsigned long)count);
1586 int usercount(chanrec *c)
1590 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1593 int count = c->GetUserCounter();
1594 log(DEBUG,"usercount: %s %lu",c->name,(unsigned long)count);
1599 /* add a channel to a user, creating the record for it if needed and linking
1600 * it to the user record */
1602 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1604 if ((!user) || (!cn))
1606 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1614 strncpy(cname,cn,MAXBUF);
1616 // we MUST declare this wherever we use FOREACH_RESULT
1619 if (strlen(cname) > CHANMAX-1)
1621 cname[CHANMAX-1] = '\0';
1624 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1626 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1628 return NULL; // already on the channel!
1632 if (!FindChan(cname))
1635 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1636 if (MOD_RESULT == 1) {
1640 /* create a new one */
1641 log(DEBUG,"add_channel: creating: %s",cname);
1643 chanlist[cname] = new chanrec();
1645 strlcpy(chanlist[cname]->name, cname,CHANMAX);
1646 chanlist[cname]->topiclock = 1;
1647 chanlist[cname]->noexternal = 1;
1648 chanlist[cname]->created = TIME;
1649 strcpy(chanlist[cname]->topic, "");
1650 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1651 chanlist[cname]->topicset = 0;
1652 Ptr = chanlist[cname];
1653 log(DEBUG,"add_channel: created: %s",cname);
1654 /* set created to 2 to indicate user
1655 * is the first in the channel
1656 * and should be given ops */
1662 /* channel exists, just fish out a pointer to its struct */
1663 Ptr = FindChan(cname);
1666 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1668 // the override flag allows us to bypass channel modes
1669 // and bans (used by servers)
1670 if ((!override) || (!strcasecmp(user->server,ServerName)))
1672 log(DEBUG,"Not overriding...");
1674 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1675 if (MOD_RESULT == 1) {
1678 log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
1682 log(DEBUG,"add_channel: checking key, invite, etc");
1684 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
1685 if (MOD_RESULT == 0)
1689 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1692 log(DEBUG,"add_channel: no key given in JOIN");
1693 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1698 if (strcasecmp(key,Ptr->key))
1700 log(DEBUG,"add_channel: bad key given in JOIN");
1701 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1706 log(DEBUG,"add_channel: no key");
1709 FOREACH_RESULT(OnCheckInvite(user, Ptr));
1710 if (MOD_RESULT == 0)
1712 if (Ptr->inviteonly)
1714 log(DEBUG,"add_channel: channel is +i");
1715 if (user->IsInvited(Ptr->name))
1717 /* user was invited to channel */
1718 /* there may be an optional channel NOTICE here */
1722 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1726 log(DEBUG,"add_channel: channel is not +i");
1729 FOREACH_RESULT(OnCheckLimit(user, Ptr));
1730 if (MOD_RESULT == 0)
1734 if (usercount(Ptr) >= Ptr->limit)
1736 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1741 log(DEBUG,"add_channel: about to walk banlist");
1743 FOREACH_RESULT(OnCheckBan(user, Ptr));
1744 if (MOD_RESULT == 0)
1746 /* check user against the channel banlist */
1749 if (Ptr->bans.size())
1751 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1753 if (match(user->GetFullHost(),i->data))
1755 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1761 log(DEBUG,"add_channel: bans checked");
1767 if ((Ptr) && (user))
1769 user->RemoveInvite(Ptr->name);
1772 log(DEBUG,"add_channel: invites removed");
1777 log(DEBUG,"Overridden checks");
1785 log(DEBUG,"Passed channel checks");
1787 for (int index =0; index != MAXCHANS; index++)
1789 log(DEBUG,"Check location %d",index);
1790 if (user->chans[index].channel == NULL)
1792 log(DEBUG,"Adding into their channel list at location %d",index);
1796 /* first user in is given ops */
1797 user->chans[index].uc_modes = UCMODE_OP;
1801 user->chans[index].uc_modes = 0;
1803 user->chans[index].channel = Ptr;
1804 Ptr->IncUserCounter();
1805 Ptr->AddUser((char*)user);
1806 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1808 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1810 // use the stamdard J token with no privilages.
1811 char buffer[MAXBUF];
1814 snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
1818 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
1820 NetSendToAll(buffer);
1823 log(DEBUG,"Sent JOIN to client");
1827 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1828 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
1831 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1832 //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1833 //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
1834 FOREACH_MOD OnUserJoin(user,Ptr);
1838 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1839 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1843 /* remove a channel from a users record, and remove the record from memory
1844 * if the channel has become empty */
1846 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1848 if ((!user) || (!cname))
1850 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1856 if ((!cname) || (!user))
1861 Ptr = FindChan(cname);
1868 FOREACH_MOD OnUserPart(user,Ptr);
1869 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1871 for (int i =0; i != MAXCHANS; i++)
1873 /* zap it from the channel list of the user */
1874 if (user->chans[i].channel == Ptr)
1878 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1882 char buffer[MAXBUF];
1883 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1884 NetSendToAll(buffer);
1893 char buffer[MAXBUF];
1894 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1895 NetSendToAll(buffer);
1898 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1900 user->chans[i].uc_modes = 0;
1901 user->chans[i].channel = NULL;
1902 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1907 Ptr->DecUserCounter();
1908 Ptr->DelUser((char*)user);
1910 /* if there are no users left on the channel */
1911 if (!usercount(Ptr))
1913 chan_hash::iterator iter = chanlist.find(Ptr->name);
1915 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1917 /* kill the record */
1918 if (iter != chanlist.end())
1920 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1922 chanlist.erase(iter);
1928 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1930 if ((!src) || (!user) || (!Ptr) || (!reason))
1932 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1936 if ((!Ptr) || (!user) || (!src))
1941 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1943 if (!has_channel(user,Ptr))
1945 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1950 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
1951 if (MOD_RESULT == ACR_DENY)
1954 if (MOD_RESULT == ACR_DEFAULT)
1956 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
1958 if (cstatus(src,Ptr) == STATUS_HOP)
1960 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1964 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1972 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
1976 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
1978 for (int i =0; i != MAXCHANS; i++)
1980 /* zap it from the channel list of the user */
1981 if (user->chans[i].channel)
1982 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1984 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1985 user->chans[i].uc_modes = 0;
1986 user->chans[i].channel = NULL;
1987 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1992 Ptr->DecUserCounter();
1993 Ptr->DelUser((char*)user);
1995 /* if there are no users left on the channel */
1996 if (!usercount(Ptr))
1998 chan_hash::iterator iter = chanlist.find(Ptr->name);
2000 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
2002 /* kill the record */
2003 if (iter != chanlist.end())
2005 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
2007 chanlist.erase(iter);
2015 /* This function pokes and hacks at a parameter list like the following:
2017 * PART #winbot,#darkgalaxy :m00!
2019 * to turn it into a series of individual calls like this:
2021 * PART #winbot :m00!
2022 * PART #darkgalaxy :m00!
2024 * The seperate calls are sent to a callback function provided by the caller
2025 * (the caller will usually call itself recursively). The callback function
2026 * must be a command handler. Calling this function on a line with no list causes
2027 * no action to be taken. You must provide a starting and ending parameter number
2028 * where the range of the list can be found, useful if you have a terminating
2029 * parameter as above which is actually not part of the list, or parameters
2030 * before the actual list as well. This code is used by many functions which
2031 * can function as "one to list" (see the RFC) */
2033 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
2038 char blog[32][MAXBUF];
2039 char blog2[32][MAXBUF];
2040 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
2041 char keystr[MAXBUF];
2044 for (int i = 0; i <32; i++)
2047 for (int i = 0; i <32; i++)
2048 strcpy(blog2[i],"");
2051 for (int i = 0; i <10; i++)
2055 parameters[i] = moo;
2060 if (pcnt > 1) /* we have a key to copy */
2062 strlcpy(keystr,parameters[1],MAXBUF);
2066 if (!parameters[start])
2070 if (!strchr(parameters[start],','))
2075 for (int i = start; i <= end; i++)
2079 strlcat(plist,parameters[i],MAXBUF);
2087 for (int i = 0; i < t; i++)
2089 if (plist[i] == ',')
2092 strlcpy(blog[j++],param,MAXBUF);
2096 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
2101 strlcpy(blog[j++],param,MAXBUF);
2104 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
2109 if ((joins) && (keystr))
2111 if (strchr(keystr,','))
2115 t2 = strlen(keystr);
2116 for (int i = 0; i < t2; i++)
2118 if (keystr[i] == ',')
2121 strlcpy(blog2[j++],param,MAXBUF);
2125 strlcpy(blog2[j++],param,MAXBUF);
2130 for (j = 0; j < total; j++)
2136 for (q = end; q < pcnt-1; q++)
2138 if (parameters[q+1])
2140 pars[q-end+1] = parameters[q+1];
2143 if ((joins) && (parameters[1]))
2154 /* repeatedly call the function with the hacked parameter list */
2155 if ((joins) && (pcnt > 1))
2159 // pars[1] already set up and containing key from blog2[j]
2164 pars[1] = parameters[1];
2170 fn(pars,pcnt-(end-start),u);
2179 void kill_link(userrec *user,const char* r)
2181 user_hash::iterator iter = clientlist.find(user->nick);
2183 char reason[MAXBUF];
2185 strncpy(reason,r,MAXBUF);
2187 if (strlen(reason)>MAXQUIT)
2189 reason[MAXQUIT-1] = '\0';
2192 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
2193 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
2194 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
2196 if (user->registered == 7) {
2197 FOREACH_MOD OnUserQuit(user);
2198 WriteCommonExcept(user,"QUIT :%s",reason);
2200 // Q token must go to ALL servers!!!
2201 char buffer[MAXBUF];
2202 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
2203 NetSendToAll(buffer);
2206 FOREACH_MOD OnUserDisconnect(user);
2210 FOREACH_MOD OnRawSocketClose(user->fd);
2211 shutdown(user->fd,2);
2215 if (user->registered == 7) {
2216 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
2220 if (user->registered == 7) {
2221 purge_empty_chans(user);
2224 if (iter != clientlist.end())
2226 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
2228 fd_ref_table[user->fd] = NULL;
2230 clientlist.erase(iter);
2234 void kill_link_silent(userrec *user,const char* r)
2236 user_hash::iterator iter = clientlist.find(user->nick);
2238 char reason[MAXBUF];
2240 strncpy(reason,r,MAXBUF);
2242 if (strlen(reason)>MAXQUIT)
2244 reason[MAXQUIT-1] = '\0';
2247 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
2248 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
2249 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
2251 if (user->registered == 7) {
2252 FOREACH_MOD OnUserQuit(user);
2253 WriteCommonExcept(user,"QUIT :%s",reason);
2255 // Q token must go to ALL servers!!!
2256 char buffer[MAXBUF];
2257 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
2258 NetSendToAll(buffer);
2261 FOREACH_MOD OnUserDisconnect(user);
2265 FOREACH_MOD OnRawSocketClose(user->fd);
2266 shutdown(user->fd,2);
2270 if (user->registered == 7) {
2271 purge_empty_chans(user);
2274 if (iter != clientlist.end())
2276 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
2278 fd_ref_table[user->fd] = NULL;
2280 clientlist.erase(iter);
2286 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
2288 char* Passwd(userrec *user)
2290 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2292 if (match(user->host,i->host) && (i->type == CC_ALLOW))
2300 bool IsDenied(userrec *user)
2302 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2304 if (match(user->host,i->host) && (i->type == CC_DENY))
2315 /* sends out an error notice to all connected clients (not to be used
2318 void send_error(char *s)
2320 log(DEBUG,"send_error: %s",s);
2321 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2323 if (isnick(i->second->nick))
2325 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
2329 // fix - unregistered connections receive ERROR, not NOTICE
2330 Write(i->second->fd,"ERROR :%s",s);
2335 void Error(int status)
2337 signal (SIGALRM, SIG_IGN);
2338 signal (SIGPIPE, SIG_IGN);
2339 signal (SIGTERM, SIG_IGN);
2340 signal (SIGABRT, SIG_IGN);
2341 signal (SIGSEGV, SIG_IGN);
2342 signal (SIGURG, SIG_IGN);
2343 signal (SIGKILL, SIG_IGN);
2344 log(DEFAULT,"*** fell down a pothole in the road to perfection ***");
2345 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
2350 int main(int argc, char **argv)
2354 log(DEBUG,"*** InspIRCd starting up!");
2355 if (!FileExists(CONFIG_FILE))
2357 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
2358 log(DEFAULT,"main: no config");
2359 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
2363 for (int i = 1; i < argc; i++)
2365 if (!strcmp(argv[i],"-nofork")) {
2368 if (!strcmp(argv[i],"-wait")) {
2371 if (!strcmp(argv[i],"-nolimit")) {
2376 strlcpy(MyExecutable,argv[0],MAXBUF);
2378 if (InspIRCd() == ERROR)
2380 log(DEFAULT,"main: daemon function bailed");
2381 printf("ERROR: could not initialise. Shutting down.\n");
2388 template<typename T> inline string ConvToStr(const T &in)
2391 if (!(tmp << in)) return string();
2395 /* re-allocates a nick in the user_hash after they change nicknames,
2396 * returns a pointer to the new user as it may have moved */
2398 userrec* ReHashNick(char* Old, char* New)
2400 //user_hash::iterator newnick;
2401 user_hash::iterator oldnick = clientlist.find(Old);
2403 log(DEBUG,"ReHashNick: %s %s",Old,New);
2405 if (!strcasecmp(Old,New))
2407 log(DEBUG,"old nick is new nick, skipping");
2408 return oldnick->second;
2411 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
2413 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
2415 clientlist[New] = new userrec();
2416 clientlist[New] = oldnick->second;
2417 clientlist.erase(oldnick);
2419 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
2421 return clientlist[New];
2424 /* adds or updates an entry in the whowas list */
2425 void AddWhoWas(userrec* u)
2427 user_hash::iterator iter = whowas.find(u->nick);
2428 userrec *a = new userrec();
2429 strlcpy(a->nick,u->nick,NICKMAX);
2430 strlcpy(a->ident,u->ident,64);
2431 strlcpy(a->dhost,u->dhost,256);
2432 strlcpy(a->host,u->host,256);
2433 strlcpy(a->fullname,u->fullname,128);
2434 strlcpy(a->server,u->server,256);
2435 a->signon = u->signon;
2437 /* MAX_WHOWAS: max number of /WHOWAS items
2438 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
2439 * can be replaced by a newer one
2442 if (iter == whowas.end())
2444 if (whowas.size() == WHOWAS_MAX)
2446 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
2448 // 3600 seconds in an hour ;)
2449 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
2451 if (i->second) delete i->second;
2453 log(DEBUG,"added WHOWAS entry, purged an old record");
2460 log(DEBUG,"added fresh WHOWAS entry");
2461 whowas[a->nick] = a;
2466 log(DEBUG,"updated WHOWAS entry");
2467 if (iter->second) delete iter->second;
2473 /* add a client connection to the sockets list */
2474 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
2478 user_hash::iterator iter;
2480 tempnick = ConvToStr(socket) + "-unknown";
2481 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
2483 iter = clientlist.find(tempnick);
2486 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
2487 // using one as a registered connection. As theyre per fd, we can also safely assume
2488 // that we wont have collisions. Therefore, if the nick exists in the list, its only
2489 // used by a dead socket, erase the iterator so that the new client may reclaim it.
2490 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
2491 // issue in earlier alphas/betas
2492 if (iter != clientlist.end())
2494 clientlist.erase(iter);
2498 * It is OK to access the value here this way since we know
2499 * it exists, we just created it above.
2501 * At NO other time should you access a value in a map or a
2502 * hash_map this way.
2504 clientlist[tempnick] = new userrec();
2506 NonBlocking(socket);
2507 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
2509 clientlist[tempnick]->fd = socket;
2510 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
2511 strncpy(clientlist[tempnick]->host, host,160);
2512 strncpy(clientlist[tempnick]->dhost, host,160);
2513 strncpy(clientlist[tempnick]->server, ServerName,256);
2514 strncpy(clientlist[tempnick]->ident, "unknown",12);
2515 clientlist[tempnick]->registered = 0;
2516 clientlist[tempnick]->signon = TIME+dns_timeout;
2517 clientlist[tempnick]->lastping = 1;
2518 clientlist[tempnick]->port = port;
2519 strncpy(clientlist[tempnick]->ip,ip,32);
2521 // set the registration timeout for this user
2522 unsigned long class_regtimeout = 90;
2523 int class_flood = 0;
2524 long class_threshold = 5;
2526 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2528 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
2530 class_regtimeout = (unsigned long)i->registration_timeout;
2531 class_flood = i->flood;
2532 clientlist[tempnick]->pingmax = i->pingtime;
2533 class_threshold = i->threshold;
2538 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
2539 clientlist[tempnick]->timeout = TIME+class_regtimeout;
2540 clientlist[tempnick]->flood = class_flood;
2541 clientlist[tempnick]->threshold = class_threshold;
2543 for (int i = 0; i < MAXCHANS; i++)
2545 clientlist[tempnick]->chans[i].channel = NULL;
2546 clientlist[tempnick]->chans[i].uc_modes = 0;
2549 if (clientlist.size() == MAXCLIENTS)
2551 kill_link(clientlist[tempnick],"No more connections allowed in this class");
2555 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
2556 // its a pretty big but for the moment valid assumption:
2557 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
2558 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
2559 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
2560 // which for the time being is a physical impossibility (even the largest networks dont have more
2561 // than about 10,000 users on ONE server!)
2564 kill_link(clientlist[tempnick],"Server is full");
2569 char* e = matches_exception(ip);
2572 char* r = matches_zline(ip);
2575 char reason[MAXBUF];
2576 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
2577 kill_link(clientlist[tempnick],reason);
2581 fd_ref_table[socket] = clientlist[tempnick];
2584 // this function counts all users connected, wether they are registered or NOT.
2587 return clientlist.size();
2590 // this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
2591 int registered_usercount(void)
2594 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2596 if ((i->second->fd) && (isnick(i->second->nick))) c++;
2601 int usercount_invisible(void)
2605 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2607 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
2612 int usercount_opers(void)
2616 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2618 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
2623 int usercount_unknown(void)
2627 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2629 if ((i->second->fd) && (i->second->registered != 7))
2635 long chancount(void)
2637 return chanlist.size();
2640 long count_servs(void)
2643 for (int i = 0; i < 32; i++)
2647 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2649 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2659 long servercount(void)
2661 return count_servs()+1;
2667 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2669 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
2675 void ShowMOTD(userrec *user)
2677 std::string WholeMOTD = "";
2680 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
2683 WholeMOTD = std::string(":") + std::string(ServerName) + std::string(" 375 ") + std::string(user->nick) + std::string(" :- ") + std::string(ServerName) + " message of the day\r\n";
2684 for (int i = 0; i != MOTD.size(); i++)
2686 WholeMOTD = WholeMOTD + std::string(":") + std::string(ServerName) + std::string(" 372 ") + std::string(user->nick) + std::string(" :- ") + MOTD[i] + std::string("\r\n");
2688 WholeMOTD = WholeMOTD + std::string(":") + std::string(ServerName) + std::string(" 376 ") + std::string(user->nick) + std::string(" :End of message of the day.\r\n");
2689 // only one write operation
2690 send(user->fd,WholeMOTD.c_str(),WholeMOTD.length(),0);
2694 void ShowRULES(userrec *user)
2698 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
2701 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
2702 for (int i = 0; i != RULES.size(); i++)
2704 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
2706 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
2709 /* shows the message of the day, and any other on-logon stuff */
2710 void FullConnectUser(userrec* user)
2712 user->registered = 7;
2713 user->idle_lastmsg = TIME;
2714 log(DEBUG,"ConnectUser: %s",user->nick);
2716 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
2718 kill_link(user,"Invalid password");
2723 kill_link(user,"Unauthorised connection");
2727 char match_against[MAXBUF];
2728 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
2729 char* e = matches_exception(match_against);
2732 char* r = matches_gline(match_against);
2735 char reason[MAXBUF];
2736 snprintf(reason,MAXBUF,"G-Lined: %s",r);
2737 kill_link_silent(user,reason);
2740 r = matches_kline(user->host);
2743 char reason[MAXBUF];
2744 snprintf(reason,MAXBUF,"K-Lined: %s",r);
2745 kill_link_silent(user,reason);
2750 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
2751 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
2752 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
2753 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
2754 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
2755 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
2756 std::stringstream v;
2757 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
2758 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
2759 v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
2760 v << std::string(Network);
2761 std::string data005 = v.str();
2762 FOREACH_MOD On005Numeric(data005);
2763 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
2764 // so i'd better split it :)
2765 std::stringstream out(data005);
2766 std::string token = "";
2767 std::string line5 = "";
2768 int token_counter = 0;
2772 line5 = line5 + token + " ";
2774 if ((token_counter >= 13) || (out.eof() == true))
2776 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
2782 FOREACH_MOD OnUserConnect(user);
2783 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
2785 char buffer[MAXBUF];
2786 snprintf(buffer,MAXBUF,"N %lu %s %s %s %s +%s %s %s :%s",(unsigned long)user->age,user->nick,user->host,user->dhost,user->ident,user->modes,user->ip,ServerName,user->fullname);
2787 NetSendToAll(buffer);
2791 // this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
2792 // (until this returns true, a user will block in the waiting state, waiting to connect up to the
2793 // registration timeout maximum seconds)
2794 bool AllModulesReportReady(userrec* user)
2796 for (int i = 0; i <= MODCOUNT; i++)
2798 int res = modules[i]->OnCheckReady(user);
2805 /* shows the message of the day, and any other on-logon stuff */
2806 void ConnectUser(userrec *user)
2808 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
2809 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
2811 FullConnectUser(user);
2815 std::string GetVersionString()
2817 char Revision[] = "$Revision$";
2818 char versiondata[MAXBUF];
2819 char *s1 = Revision;
2821 char *v2 = strtok_r(s1," ",&savept);
2823 v2 = strtok_r(s1," ",&savept);
2825 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu)",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION);
2829 void handle_version(char **parameters, int pcnt, userrec *user)
2833 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
2837 if (match(ServerName,parameters[0]))
2839 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
2842 bool displayed = false, found = false;
2843 for (int j = 0; j < 32; j++)
2847 for (int x = 0; x < me[j]->connectors.size(); x++)
2849 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
2852 if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
2855 WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
2861 if ((!displayed) && (found))
2863 WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
2866 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
2872 // calls a handler function for a command
2874 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
2876 for (int i = 0; i < cmdlist.size(); i++)
2878 if (!strcasecmp(cmdlist[i].command,commandname))
2880 if (cmdlist[i].handler_function)
2882 if (pcnt>=cmdlist[i].min_params)
2884 if (strchr(user->modes,cmdlist[i].flags_needed))
2886 cmdlist[i].handler_function(parameters,pcnt,user);
2894 void DoSplitEveryone()
2896 bool go_again = true;
2900 for (int i = 0; i < 32; i++)
2904 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2906 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2909 j->CloseConnection();
2910 me[i]->connectors.erase(j);
2918 log(DEBUG,"Removed server. Will remove clients...");
2919 // iterate through the userlist and remove all users on this server.
2920 // because we're dealing with a mesh, we dont have to deal with anything
2921 // "down-route" from this server (nice huh)
2923 char reason[MAXBUF];
2927 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2929 if (strcasecmp(u->second->server,ServerName))
2931 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
2932 kill_link(u->second,reason);
2942 char islast(const char* s)
2945 for (int j = 0; j < 32; j++)
2949 for (int k = 0; k < me[j]->connectors.size(); k++)
2951 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2955 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2965 long map_count(const char* s)
2968 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2970 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
2976 void force_nickchange(userrec* user,const char* newnick)
2983 FOREACH_RESULT(OnUserPreNick(user,newnick));
2985 kill_link(user,"Nickname collision");
2988 if (matches_qline(newnick))
2990 kill_link(user,"Nickname collision");
2998 strncpy(nick,newnick,MAXBUF);
3000 if (user->registered == 7)
3004 handle_nick(pars,1,user);
3010 int process_parameters(char **command_p,char *parameters)
3013 int q = strlen(parameters);
3016 /* no parameters, command_p invalid! */
3019 if (parameters[0] == ':')
3021 command_p[0] = parameters+1;
3026 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
3028 /* only one parameter */
3029 command_p[0] = parameters;
3030 if (parameters[0] == ':')
3032 if (strchr(parameters,' ') != NULL)
3040 command_p[j++] = parameters;
3041 for (int i = 0; i <= q; i++)
3043 if (parameters[i] == ' ')
3045 command_p[j++] = parameters+i+1;
3046 parameters[i] = '\0';
3047 if (command_p[j-1][0] == ':')
3049 *command_p[j-1]++; /* remove dodgy ":" */
3051 /* parameter like this marks end of the sequence */
3055 return j; /* returns total number of items in the list */
3058 void process_command(userrec *user, char* cmd)
3062 char *command_p[127];
3063 char p[MAXBUF], temp[MAXBUF];
3064 int j, items, cmd_found;
3066 for (int i = 0; i < 127; i++)
3067 command_p[i] = NULL;
3082 int total_params = 0;
3085 for (int q = 0; q < strlen(cmd)-1; q++)
3087 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
3090 // found a 'trailing', we dont count them after this.
3098 // another phidjit bug...
3099 if (total_params > 126)
3101 *(strchr(cmd,' ')) = '\0';
3102 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
3106 strlcpy(temp,cmd,MAXBUF);
3108 std::string tmp = cmd;
3109 for (int i = 0; i <= MODCOUNT; i++)
3111 std::string oldtmp = tmp;
3112 modules[i]->OnServerRaw(tmp,true,user);
3115 log(DEBUG,"A Module changed the input string!");
3116 log(DEBUG,"New string: %s",tmp.c_str());
3117 log(DEBUG,"Old string: %s",oldtmp.c_str());
3121 strlcpy(cmd,tmp.c_str(),MAXBUF);
3122 strlcpy(temp,cmd,MAXBUF);
3124 if (!strchr(cmd,' '))
3126 /* no parameters, lets skip the formalities and not chop up
3128 log(DEBUG,"About to preprocess command with no params");
3130 command_p[0] = NULL;
3132 for (int i = 0; i <= strlen(cmd); i++)
3134 cmd[i] = toupper(cmd[i]);
3142 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
3143 for (int i = 0; i < strlen(temp); i++)
3145 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
3151 /* split the full string into a command plus parameters */
3155 if (strchr(cmd,' '))
3157 for (int i = 0; i <= strlen(cmd); i++)
3159 /* capitalise the command ONLY, leave params intact */
3160 cmd[i] = toupper(cmd[i]);
3161 /* are we nearly there yet?! :P */
3165 parameters = cmd+i+1;
3173 for (int i = 0; i <= strlen(cmd); i++)
3175 cmd[i] = toupper(cmd[i]);
3182 if (strlen(command)>MAXCOMMAND)
3184 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
3188 for (int x = 0; x < strlen(command); x++)
3190 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
3192 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
3194 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
3196 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
3203 for (int i = 0; i != cmdlist.size(); i++)
3205 if (cmdlist[i].command[0])
3207 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
3213 items = process_parameters(command_p,parameters);
3218 command_p[0] = NULL;
3224 command_p[0] = NULL;
3229 /* activity resets the ping pending timer */
3230 user->nping = TIME + user->pingmax;
3231 if ((items) < cmdlist[i].min_params)
3233 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
3234 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
3237 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
3239 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
3240 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
3244 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
3246 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
3247 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
3251 /* if the command isnt USER, PASS, or NICK, and nick is empty,
3253 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
3255 if ((!isnick(user->nick)) || (user->registered != 7))
3257 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
3258 WriteServ(user->fd,"451 %s :You have not registered",command);
3262 if ((user->registered == 7) && (!strchr(user->modes,'o')))
3266 mycmd = strtok_r(DisabledCommands," ",&savept2);
3269 if (!strcasecmp(mycmd,command))
3271 // command is disabled!
3272 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
3275 mycmd = strtok_r(NULL," ",&savept2);
3280 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
3282 if (cmdlist[i].handler_function)
3285 /* ikky /stats counters */
3288 cmdlist[i].use_count++;
3289 cmdlist[i].total_bytes+=strlen(temp);
3293 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
3294 if (MOD_RESULT == 1) {
3298 /* WARNING: nothing may come after the
3299 * command handler call, as the handler
3300 * may free the user structure! */
3302 cmdlist[i].handler_function(command_p,items,user);
3308 WriteServ(user->fd,"451 %s :You have not registered",command);
3316 if ((!cmd_found) && (user))
3318 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
3323 void createcommand(char* cmd, handlerfunc f, char flags, int minparams,char* source)
3326 /* create the command and push it onto the table */
3327 strlcpy(comm.command,cmd,MAXBUF);
3328 strlcpy(comm.source,source,MAXBUF);
3329 comm.handler_function = f;
3330 comm.flags_needed = flags;
3331 comm.min_params = minparams;
3333 comm.total_bytes = 0;
3334 cmdlist.push_back(comm);
3335 log(DEBUG,"Added command %s (%lu parameters)",cmd,(unsigned long)minparams);
3338 bool removecommands(const char* source)
3340 bool go_again = true;
3344 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
3346 if (!strcmp(i->source,source))
3348 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
3358 void SetupCommandTable(void)
3360 createcommand("USER",handle_user,0,4,"<core>");
3361 createcommand("NICK",handle_nick,0,1,"<core>");
3362 createcommand("QUIT",handle_quit,0,0,"<core>");
3363 createcommand("VERSION",handle_version,0,0,"<core>");
3364 createcommand("PING",handle_ping,0,1,"<core>");
3365 createcommand("PONG",handle_pong,0,1,"<core>");
3366 createcommand("ADMIN",handle_admin,0,0,"<core>");
3367 createcommand("PRIVMSG",handle_privmsg,0,2,"<core>");
3368 createcommand("INFO",handle_info,0,0,"<core>");
3369 createcommand("TIME",handle_time,0,0,"<core>");
3370 createcommand("WHOIS",handle_whois,0,1,"<core>");
3371 createcommand("WALLOPS",handle_wallops,'o',1,"<core>");
3372 createcommand("NOTICE",handle_notice,0,2,"<core>");
3373 createcommand("JOIN",handle_join,0,1,"<core>");
3374 createcommand("NAMES",handle_names,0,0,"<core>");
3375 createcommand("PART",handle_part,0,1,"<core>");
3376 createcommand("KICK",handle_kick,0,2,"<core>");
3377 createcommand("MODE",handle_mode,0,1,"<core>");
3378 createcommand("TOPIC",handle_topic,0,1,"<core>");
3379 createcommand("WHO",handle_who,0,1,"<core>");
3380 createcommand("MOTD",handle_motd,0,0,"<core>");
3381 createcommand("RULES",handle_rules,0,0,"<core>");
3382 createcommand("OPER",handle_oper,0,2,"<core>");
3383 createcommand("LIST",handle_list,0,0,"<core>");
3384 createcommand("DIE",handle_die,'o',1,"<core>");
3385 createcommand("RESTART",handle_restart,'o',1,"<core>");
3386 createcommand("KILL",handle_kill,'o',2,"<core>");
3387 createcommand("REHASH",handle_rehash,'o',0,"<core>");
3388 createcommand("LUSERS",handle_lusers,0,0,"<core>");
3389 createcommand("STATS",handle_stats,0,1,"<core>");
3390 createcommand("USERHOST",handle_userhost,0,1,"<core>");
3391 createcommand("AWAY",handle_away,0,0,"<core>");
3392 createcommand("ISON",handle_ison,0,0,"<core>");
3393 createcommand("SUMMON",handle_summon,0,0,"<core>");
3394 createcommand("USERS",handle_users,0,0,"<core>");
3395 createcommand("INVITE",handle_invite,0,2,"<core>");
3396 createcommand("PASS",handle_pass,0,1,"<core>");
3397 createcommand("TRACE",handle_trace,'o',0,"<core>");
3398 createcommand("WHOWAS",handle_whowas,0,1,"<core>");
3399 createcommand("CONNECT",handle_connect,'o',1,"<core>");
3400 createcommand("SQUIT",handle_squit,'o',0,"<core>");
3401 createcommand("MODULES",handle_modules,0,0,"<core>");
3402 createcommand("LINKS",handle_links,0,0,"<core>");
3403 createcommand("MAP",handle_map,0,0,"<core>");
3404 createcommand("KLINE",handle_kline,'o',1,"<core>");
3405 createcommand("GLINE",handle_gline,'o',1,"<core>");
3406 createcommand("ZLINE",handle_zline,'o',1,"<core>");
3407 createcommand("QLINE",handle_qline,'o',1,"<core>");
3408 createcommand("ELINE",handle_eline,'o',1,"<core>");
3409 createcommand("LOADMODULE",handle_loadmodule,'o',1,"<core>");
3410 createcommand("UNLOADMODULE",handle_unloadmodule,'o',1,"<core>");
3411 createcommand("SERVER",handle_server,0,0,"<core>");
3414 void process_buffer(const char* cmdbuf,userrec *user)
3418 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
3424 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
3431 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
3433 strlcpy(cmd,cmdbuf,MAXBUF);
3438 int sl = strlen(cmd)-1;
3439 if ((cmd[sl] == 13) || (cmd[sl] == 10))
3444 if ((cmd[sl] == 13) || (cmd[sl] == 10))
3449 while (cmd[sl] == ' ') // strip trailing spaces
3459 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
3461 if ((user) && (cmd))
3463 process_command(user,cmd);
3467 void DoSync(serverrec* serv, char* tcp_host)
3470 log(DEBUG,"Sending sync");
3471 // send start of sync marker: Y <timestamp>
3472 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
3473 // except the ones its receiving it from.
3474 snprintf(data,MAXBUF,"Y %lu",(unsigned long)TIME);
3475 serv->SendPacket(data,tcp_host);
3476 // send users and channels
3478 NetSendMyRoutingTable();
3480 // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
3481 for (int j = 0; j < 32; j++)
3485 for (int k = 0; k < me[j]->connectors.size(); k++)
3487 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
3489 snprintf(data,MAXBUF,"H %s",me[j]->connectors[k].GetServerName().c_str());
3490 serv->SendPacket(data,tcp_host);
3496 // send our version for the remote side to cache
3497 snprintf(data,MAXBUF,"v %s %s",ServerName,GetVersionString().c_str());
3498 serv->SendPacket(data,tcp_host);
3500 // sync the users and channels, give the modules a look-in.
3501 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
3503 snprintf(data,MAXBUF,"N %lu %s %s %s %s +%s %s %s :%s",(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->modes,u->second->ip,u->second->server,u->second->fullname);
3504 serv->SendPacket(data,tcp_host);
3505 if (strchr(u->second->modes,'o'))
3507 snprintf(data,MAXBUF,"| %s %s",u->second->nick,u->second->oper);
3508 serv->SendPacket(data,tcp_host);
3510 for (int i = 0; i <= MODCOUNT; i++)
3512 string_list l = modules[i]->OnUserSync(u->second);
3513 for (int j = 0; j < l.size(); j++)
3515 strlcpy(data,l[j].c_str(),MAXBUF);
3516 serv->SendPacket(data,tcp_host);
3519 char* chl = chlist(u->second);
3522 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chl);
3523 serv->SendPacket(data,tcp_host);
3526 // send channel modes, topics etc...
3527 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
3529 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
3530 serv->SendPacket(data,tcp_host);
3531 for (int i = 0; i <= MODCOUNT; i++)
3533 string_list l = modules[i]->OnChannelSync(c->second);
3534 for (int j = 0; j < l.size(); j++)
3536 strlcpy(data,l[j].c_str(),MAXBUF);
3537 serv->SendPacket(data,tcp_host);
3540 if (c->second->topic[0])
3542 snprintf(data,MAXBUF,"T %lu %s %s :%s",(unsigned long)c->second->topicset,c->second->setby,c->second->name,c->second->topic);
3543 serv->SendPacket(data,tcp_host);
3545 // send current banlist
3547 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
3549 snprintf(data,MAXBUF,"M %s +b %s",c->second->name,b->data);
3550 serv->SendPacket(data,tcp_host);
3553 // sync global zlines, glines, etc
3554 sync_xlines(serv,tcp_host);
3556 snprintf(data,MAXBUF,"F %lu",(unsigned long)TIME);
3557 serv->SendPacket(data,tcp_host);
3558 log(DEBUG,"Sent sync");
3559 // ircd sends its serverlist after the end of sync here
3563 void NetSendMyRoutingTable()
3565 // send out a line saying what is reachable to us.
3566 // E.g. if A is linked to B C and D, send out:
3568 // if its only linked to B and D send out:
3570 // if it has no links, dont even send out the line at all.
3571 char buffer[MAXBUF];
3572 snprintf(buffer,MAXBUF,"$ %s",ServerName);
3573 bool sendit = false;
3574 for (int i = 0; i < 32; i++)
3578 for (int j = 0; j < me[i]->connectors.size(); j++)
3580 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
3582 strlcat(buffer," ",MAXBUF);
3583 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
3590 NetSendToAll(buffer);
3594 void DoSplit(const char* params)
3596 bool go_again = true;
3600 for (int i = 0; i < 32; i++)
3604 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3606 if (!strcasecmp(j->GetServerName().c_str(),params))
3609 j->CloseConnection();
3610 me[i]->connectors.erase(j);
3618 log(DEBUG,"Removed server. Will remove clients...");
3619 // iterate through the userlist and remove all users on this server.
3620 // because we're dealing with a mesh, we dont have to deal with anything
3621 // "down-route" from this server (nice huh)
3623 char reason[MAXBUF];
3624 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
3628 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
3630 if (!strcasecmp(u->second->server,params))
3632 kill_link(u->second,reason);
3640 // removes a server. Will NOT remove its users!
3642 void RemoveServer(const char* name)
3644 bool go_again = true;
3648 for (int i = 0; i < 32; i++)
3652 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3654 if (!strcasecmp(j->GetServerName().c_str(),name))
3657 j->CloseConnection();
3658 me[i]->connectors.erase(j);
3669 char MODERR[MAXBUF];
3676 void erase_factory(int j)
3679 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
3684 factory.push_back(NULL);
3691 void erase_module(int j)
3694 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
3700 modules.push_back(NULL);
3706 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
3710 module_names.erase(v);
3718 bool UnloadModule(const char* filename)
3720 for (int j = 0; j != module_names.size(); j++)
3722 if (module_names[j] == std::string(filename))
3724 if (modules[j]->GetVersion().Flags & VF_STATIC)
3726 log(DEFAULT,"Failed to unload STATIC module %s",filename);
3727 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
3731 log(DEBUG,"Deleting module...");
3733 log(DEBUG,"Erasing module entry...");
3735 log(DEBUG,"Removing dependent commands...");
3736 removecommands(filename);
3737 log(DEFAULT,"Module %s unloaded",filename);
3742 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
3743 snprintf(MODERR,MAXBUF,"Module not loaded");
3747 bool DirValid(char* dirandfile)
3750 strlcpy(work,dirandfile,MAXBUF);
3751 int p = strlen(work);
3752 // we just want the dir
3753 while (strlen(work))
3762 char buffer[MAXBUF], otherdir[MAXBUF];
3763 // Get the current working directory
3764 if( getcwd( buffer, MAXBUF ) == NULL )
3767 if( getcwd( otherdir, MAXBUF ) == NULL )
3770 if (strlen(otherdir) >= strlen(work))
3772 otherdir[strlen(work)] = '\0';
3773 if (!strcmp(otherdir,work))
3782 bool LoadModule(const char* filename)
3784 char modfile[MAXBUF];
3785 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
3786 if (!DirValid(modfile))
3788 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
3789 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
3792 log(DEBUG,"Loading module: %s",modfile);
3793 if (FileExists(modfile))
3795 for (int j = 0; j < module_names.size(); j++)
3797 if (module_names[j] == std::string(filename))
3799 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
3800 snprintf(MODERR,MAXBUF,"Module already loaded");
3804 ircd_module* a = new ircd_module(modfile);
3805 factory[MODCOUNT+1] = a;
3806 if (factory[MODCOUNT+1]->LastError())
3808 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
3809 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
3813 if (factory[MODCOUNT+1]->factory)
3815 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
3816 modules[MODCOUNT+1] = m;
3817 /* save the module and the module's classfactory, if
3818 * this isnt done, random crashes can occur :/ */
3819 module_names.push_back(filename);
3823 log(DEFAULT,"Unable to load %s",modfile);
3824 snprintf(MODERR,MAXBUF,"Factory function failed!");
3830 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
3831 snprintf(MODERR,MAXBUF,"Module file could not be found");
3840 struct sockaddr_in client,server;
3841 char addrs[MAXBUF][255];
3842 int incomingSockfd, result = TRUE;
3845 int selectResult = 0, selectResult2 = 0;
3846 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
3850 log_file = fopen("ircd.log","a+");
3853 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
3857 log(DEFAULT,"$Id$");
3860 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
3862 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
3864 SetupCommandTable();
3865 log(DEBUG,"InspIRCd: startup: default command table set up");
3867 ReadConfig(true,NULL);
3870 printf("WARNING: %s\n\n",DieValue);
3871 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
3874 log(DEBUG,"InspIRCd: startup: read config");
3876 int clientportcount = 0, serverportcount = 0;
3878 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
3880 ConfValue("bind","port",count,configToken,&config_f);
3881 ConfValue("bind","address",count,Addr,&config_f);
3882 ConfValue("bind","type",count,Type,&config_f);
3883 if (!strcmp(Type,"servers"))
3885 char Default[MAXBUF];
3886 strcpy(Default,"no");
3887 ConfValue("bind","default",count,Default,&config_f);
3888 if (strchr(Default,'y'))
3890 defaultRoute = serverportcount;
3891 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
3893 me[serverportcount] = new serverrec(ServerName,100L,false);
3894 if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
3896 log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
3897 printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
3906 ports[clientportcount] = atoi(configToken);
3907 strlcpy(addrs[clientportcount],Addr,256);
3910 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
3912 portCount = clientportcount;
3913 UDPportCount = serverportcount;
3915 log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)UDPportCount);
3916 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
3920 /* BugFix By Craig! :p */
3922 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
3924 ConfValue("module","name",count,configToken,&config_f);
3925 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
3926 if (!LoadModule(configToken))
3928 log(DEFAULT,"Exiting due to a module loader error.");
3929 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
3933 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
3935 startup_time = time(NULL);
3938 ConfValue("pid","file",0,PID,&config_f);
3939 // write once here, to try it out and make sure its ok
3942 /* setup select call */
3943 FD_ZERO(&selectFds);
3944 log(DEBUG,"InspIRCd: startup: zero selects");
3945 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
3947 for (count = 0; count < portCount; count++)
3949 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
3951 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
3954 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
3956 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
3958 else /* well we at least bound to one socket so we'll continue */
3964 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
3966 /* if we didn't bind to anything then abort */
3967 if (boundPortCount == 0)
3969 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
3970 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
3975 printf("\nInspIRCd is now running!\n");
3979 log(VERBOSE,"Not forking as -nofork was specified");
3983 if (DaemonSeed() == ERROR)
3985 log(DEFAULT,"InspIRCd: startup: can't daemonise");
3986 printf("ERROR: could not go into daemon mode. Shutting down.\n");
3993 length = sizeof (client);
3994 char udp_msg[MAXBUF],tcp_host[MAXBUF];
3998 tvs.tv_usec = 10000L;
4001 tv.tv_usec = 10000L;
4005 tval.tv_usec = 10000L;
4007 int total_in_this_set = 0;
4009 bool expire_run = false;
4011 /* main loop, this never returns */
4014 #ifdef _POSIX_PRIORITY_SCHEDULING
4021 // we only read time() once per iteration rather than tons of times!
4024 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
4025 // them in a list, then reap the list every second or so.
4026 if (((TIME % 5) == 0) && (!expire_run))
4029 FOREACH_MOD OnBackgroundTimer(TIME);
4033 if ((TIME % 5) == 1)
4036 // fix by brain - this must be below any manipulation of the hashmap by modules
4037 user_hash::iterator count2 = clientlist.begin();
4039 FD_ZERO(&serverfds);
4041 for (int x = 0; x != UDPportCount; x++)
4044 FD_SET(me[x]->fd, &serverfds);
4047 // serverFds timevals went here
4049 tvs.tv_usec = 30000L;
4051 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
4054 for (int x = 0; x != UDPportCount; x++)
4056 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
4058 char remotehost[MAXBUF],resolved[MAXBUF];
4059 length = sizeof (client);
4060 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
4061 if (incomingSockfd != -1)
4063 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
4064 if(CleanAndResolve(resolved, remotehost) != TRUE)
4066 strlcpy(resolved,remotehost,MAXBUF);
4068 // add to this connections ircd_connector vector
4069 // *FIX* - we need the LOCAL port not the remote port in &client!
4070 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
4076 for (int x = 0; x < UDPportCount; x++)
4078 std::deque<std::string> msgs;
4080 if ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host)))
4082 for (int ctr = 0; ctr < msgs.size(); ctr++)
4084 strlcpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
4085 log(DEBUG,"Processing: %s",udp_msg);
4088 log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
4091 // during a netburst, send all data to all other linked servers
4092 if ((((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))) || (is_uline(tcp_host)))
4094 if (is_uline(tcp_host))
4096 if ((udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
4098 NetSendToAllExcept(tcp_host,udp_msg);
4102 NetSendToAllExcept(tcp_host,udp_msg);
4104 std::string msg = udp_msg;
4105 FOREACH_MOD OnPacketReceive(msg,tcp_host);
4106 strlcpy(udp_msg,msg.c_str(),MAXBUF);
4107 handle_link_packet(udp_msg, tcp_host, me[x]);
4114 while (count2 != clientlist.end())
4117 total_in_this_set = 0;
4119 user_hash::iterator xcount = count2;
4120 user_hash::iterator endingiter = count2;
4122 if (count2 == clientlist.end()) break;
4124 userrec* curr = NULL;
4127 curr = count2->second;
4129 if ((curr) && (curr->fd != 0))
4131 // assemble up to 64 sockets into an fd_set
4132 // to implement a pooling mechanism.
4134 // This should be up to 64x faster than the
4135 // old implementation.
4136 while (total_in_this_set < 64)
4138 if (count2 != clientlist.end())
4140 curr = count2->second;
4141 // we don't check the state of remote users.
4142 if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
4144 FD_SET (curr->fd, &sfd);
4146 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
4147 // their connection class.
4148 if ((TIME > curr->timeout) && (curr->registered != 7))
4150 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
4151 kill_link(curr,"Registration timeout");
4154 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
4156 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
4157 curr->dns_done = true;
4158 FullConnectUser(curr);
4161 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
4163 log(DEBUG,"dns done, registered=3, and modules ready, OK");
4164 FullConnectUser(curr);
4167 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
4169 if ((!curr->lastping) && (curr->registered == 7))
4171 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
4172 kill_link(curr,"Ping timeout");
4175 Write(curr->fd,"PING :%s",ServerName);
4176 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
4178 curr->nping = TIME+curr->pingmax; // was hard coded to 120
4182 total_in_this_set++;
4187 endingiter = count2;
4188 count2 = xcount; // roll back to where we were
4192 // tvals defined here
4194 tval.tv_usec = 1000L;
4195 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
4197 // now loop through all of the items in this pool if any are waiting
4198 if (selectResult2 > 0)
4199 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
4202 #ifdef _POSIX_PRIORITY_SCHEDULING
4205 userrec* cu = count2a->second;
4207 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
4209 log(DEBUG,"Data waiting on socket %d",cu->fd);
4212 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
4215 result = read(cu->fd, data, 65535);
4217 else result = result2;
4218 log(DEBUG,"Read result: %d",result);
4222 // perform a check on the raw buffer as an array (not a string!) to remove
4223 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
4224 // hopefully this should stop even more people whining about "Unknown command: *"
4225 for (int checker = 0; checker < result; checker++)
4227 if ((data[checker] == 0) || (data[checker] == 7))
4228 data[checker] = ' ';
4231 data[result] = '\0';
4232 userrec* current = cu;
4233 int currfd = current->fd;
4235 // add the data to the users buffer
4236 if (!current->AddBuffer(data))
4238 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
4239 if (current->registered == 7)
4241 kill_link(current,"RecvQ exceeded");
4245 WriteOpers("*** Excess flood from %s",current->ip);
4246 log(DEFAULT,"Excess flood from: %s",current->ip);
4247 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4252 if (current->recvq.length() > NetBufferSize)
4254 if (current->registered == 7)
4256 kill_link(current,"RecvQ exceeded");
4260 WriteOpers("*** Excess flood from %s",current->ip);
4261 log(DEFAULT,"Excess flood from: %s",current->ip);
4262 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4267 // while there are complete lines to process...
4268 while (current->BufferIsReady())
4271 if (TIME > current->reset_due)
4273 current->reset_due = TIME + current->threshold;
4274 current->lines_in = 0;
4276 current->lines_in++;
4277 if (current->lines_in > current->flood)
4279 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4280 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4281 kill_link(current,"Excess flood");
4284 if ((floodlines > current->flood) && (current->flood != 0))
4286 if (current->registered == 7)
4288 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4289 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4290 kill_link(current,"Excess flood");
4294 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4299 char sanitized[MAXBUF];
4300 // use GetBuffer to copy single lines into the sanitized string
4301 std::string single_line = current->GetBuffer();
4302 current->bytes_in += single_line.length();
4304 if (single_line.length()>512)
4306 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4307 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4308 kill_link(current,"Excess flood");
4311 strlcpy(sanitized,single_line.c_str(),MAXBUF);
4314 // we're gonna re-scan to check if the nick is gone, after every
4315 // command - if it has, we're gonna bail
4316 process_buffer(sanitized,current);
4317 // look for the user's record in case it's changed... if theyve quit,
4318 // we cant do anything more with their buffer, so bail.
4319 // there used to be an ugly, slow loop here. Now we have a reference
4320 // table, life is much easier (and FASTER)
4321 if (!fd_ref_table[currfd])
4329 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
4331 log(DEBUG,"killing: %s",cu->nick);
4332 kill_link(cu,strerror(errno));
4336 // result EAGAIN means nothing read
4337 if (result == EAGAIN)
4345 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
4346 kill_link(cu,"Client exited");
4347 // must bail here? kill_link removes the hash, corrupting the iterator
4348 log(DEBUG,"Bailing from client exit");
4352 else if (result > 0)
4357 for (int q = 0; q < total_in_this_set; q++)
4363 #ifdef _POSIX_PRIORITY_SCHEDULING
4367 // set up select call
4368 for (count = 0; count < boundPortCount; count++)
4370 FD_SET (openSockfd[count], &selectFds);
4373 tv.tv_usec = 30000L;
4374 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
4376 /* select is reporting a waiting socket. Poll them all to find out which */
4377 if (selectResult > 0)
4379 char target[MAXBUF], resolved[MAXBUF];
4380 for (count = 0; count < boundPortCount; count++)
4382 if (FD_ISSET (openSockfd[count], &selectFds))
4384 length = sizeof (client);
4385 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
4387 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
4388 strlcpy (resolved, target, MAXBUF);
4390 if (incomingSockfd < 0)
4392 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
4393 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
4397 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
4398 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
4399 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
4407 #ifdef _POSIX_PRIORITY_SCHEDULING
4412 close (incomingSockfd);