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];
184 int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
190 user_hash clientlist;
193 command_table cmdlist;
200 struct linger linger = { 0 };
201 char MyExecutable[1024];
202 int boundPortCount = 0;
203 int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
204 int defaultRoute = 0;
205 char ModPath[MAXBUF];
209 int has_channel(userrec *u, chanrec *c);
210 int usercount(chanrec *c);
211 int usercount_i(chanrec *c);
212 char* Passwd(userrec *user);
213 bool IsDenied(userrec *user);
214 void AddWhoWas(userrec* u);
216 std::vector<long> auth_cookies;
217 std::stringstream config_f(stringstream::in | stringstream::out);
219 std::vector<userrec*> all_opers;
221 static char already_sent[65536];
223 void AddOper(userrec* user)
225 log(DEBUG,"Oper added to optimization list");
226 all_opers.push_back(user);
229 void DeleteOper(userrec* user)
231 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
235 log(DEBUG,"Oper removed from optimization list");
244 char Revision[] = "$Revision$";
247 char *v2 = strtok_r(s1," ",&savept);
249 v2 = strtok_r(s1," ",&savept);
251 return (long)(atof(v2)*10000);
255 std::string getservername()
260 std::string getserverdesc()
265 std::string getnetworkname()
270 std::string getadminname()
275 std::string getadminemail()
280 std::string getadminnick()
285 void log(int level,char *text, ...)
287 char textbuffer[MAXBUF];
290 struct tm * timeinfo;
291 if (level < LogLevel)
295 timeinfo = localtime (&rawtime);
300 va_start (argsPtr, text);
301 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
303 strlcpy(b,asctime(timeinfo),MAXBUF);
304 b[24] = ':'; // we know this is the end of the time string
305 fprintf(log_file,"%s %s\n",b,textbuffer);
308 // nofork enabled? display it on terminal too
309 printf("%s %s\n",b,textbuffer);
314 void readfile(file_cache &F, const char* fname)
317 char linebuf[MAXBUF];
319 log(DEBUG,"readfile: loading %s",fname);
321 file = fopen(fname,"r");
326 fgets(linebuf,sizeof(linebuf),file);
327 linebuf[strlen(linebuf)-1]='\0';
334 F.push_back(linebuf);
341 log(DEBUG,"readfile: failed to load file: %s",fname);
343 log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size());
346 void ReadConfig(bool bail, userrec* user)
348 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
349 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF];
351 std::stringstream errstr;
353 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
358 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
366 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
367 while (!errstr.eof())
369 errstr.getline(dataline,1024);
370 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
375 WriteOpers("There were errors in the configuration file:",user->nick);
376 while (!errstr.eof())
378 errstr.getline(dataline,1024);
379 WriteOpers(dataline);
386 ConfValue("server","name",0,ServerName,&config_f);
387 ConfValue("server","description",0,ServerDesc,&config_f);
388 ConfValue("server","network",0,Network,&config_f);
389 ConfValue("admin","name",0,AdminName,&config_f);
390 ConfValue("admin","email",0,AdminEmail,&config_f);
391 ConfValue("admin","nick",0,AdminNick,&config_f);
392 ConfValue("files","motd",0,motd,&config_f);
393 ConfValue("files","rules",0,rules,&config_f);
394 ConfValue("power","diepass",0,diepass,&config_f);
395 ConfValue("power","pause",0,pauseval,&config_f);
396 ConfValue("power","restartpass",0,restartpass,&config_f);
397 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
398 ConfValue("die","value",0,DieValue,&config_f);
399 ConfValue("options","loglevel",0,dbg,&config_f);
400 ConfValue("options","netbuffersize",0,NB,&config_f);
401 ConfValue("options","maxwho",0,MW,&config_f);
402 ConfValue("options","allowhalfop",0,AH,&config_f);
403 ConfValue("options","allowprotect",0,AP,&config_f);
404 ConfValue("options","allowfounder",0,AF,&config_f);
405 ConfValue("dns","server",0,DNSServer,&config_f);
406 ConfValue("dns","timeout",0,DNT,&config_f);
407 ConfValue("options","moduledir",0,ModPath,&config_f);
408 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
410 NetBufferSize = atoi(NB);
411 MaxWhoResults = atoi(MW);
412 dns_timeout = atoi(DNT);
416 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
418 strlcpy(ModPath,MOD_PATH,MAXBUF);
419 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
420 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
421 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
422 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
424 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
425 NetBufferSize = 10240;
427 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
429 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
432 if (!strcmp(dbg,"debug"))
434 if (!strcmp(dbg,"verbose"))
436 if (!strcmp(dbg,"default"))
438 if (!strcmp(dbg,"sparse"))
440 if (!strcmp(dbg,"none"))
443 log(DEFAULT,"Reading message of the day...");
444 readfile(RULES,rules);
445 log(DEFAULT,"Reading connect classes...");
447 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
450 ConfValue("connect","allow",i,Value,&config_f);
451 ConfValue("connect","timeout",i,timeout,&config_f);
452 ConfValue("connect","flood",i,flood,&config_f);
453 ConfValue("connect","pingfreq",i,pfreq,&config_f);
454 ConfValue("connect","threshold",i,thold,&config_f);
457 strlcpy(c.host,Value,MAXBUF);
459 strlcpy(Value,"",MAXBUF);
460 ConfValue("connect","password",i,Value,&config_f);
461 strlcpy(c.pass,Value,MAXBUF);
462 c.registration_timeout = 90; // default is 2 minutes
464 c.flood = atoi(flood);
468 c.threshold = atoi(thold);
472 c.registration_timeout = atoi(timeout);
476 c.pingtime = atoi(pfreq);
478 Classes.push_back(c);
479 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);
483 ConfValue("connect","deny",i,Value,&config_f);
484 strlcpy(c.host,Value,MAXBUF);
486 Classes.push_back(c);
487 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
491 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
492 read_xline_defaults();
493 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
495 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
498 log(DEFAULT,"Adding and removing modules due to rehash...");
500 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
502 // store the old module names
503 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
505 old_module_names.push_back(*t);
508 // get the new module names
509 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
511 ConfValue("module","name",count2,Value,&config_f);
512 new_module_names.push_back(Value);
515 // now create a list of new modules that are due to be loaded
516 // and a seperate list of modules which are due to be unloaded
517 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
520 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
526 added_modules.push_back(*_new);
528 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
531 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
537 removed_modules.push_back(*oldm);
539 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
541 int rem = 0, add = 0;
542 if (!removed_modules.empty())
543 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
545 if (UnloadModule(removing->c_str()))
547 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
548 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
553 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
556 if (!added_modules.empty())
557 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
559 if (LoadModule(adding->c_str()))
561 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
562 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
567 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
570 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());
574 /* write formatted text to a socket, in same format as printf */
576 void Write(int sock,char *text, ...)
578 if (sock == FD_MAGIC_NUMBER)
582 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
585 char textbuffer[MAXBUF];
589 va_start (argsPtr, text);
590 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
592 int bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
594 if ((sock != -1) && (sock != FD_MAGIC_NUMBER))
597 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
599 write(sock,tb,bytes > 512 ? 512 : bytes);
600 if (fd_ref_table[sock])
602 fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
603 fd_ref_table[sock]->cmds_out++;
605 statsSent += (bytes > 512 ? 512 : bytes);
609 /* write a server formatted numeric response to a single socket */
611 void WriteServ(int sock, char* text, ...)
613 if (sock == FD_MAGIC_NUMBER)
617 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
620 char textbuffer[MAXBUF],tb[MAXBUF];
622 va_start (argsPtr, text);
624 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
626 int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",ServerName,textbuffer);
628 if ((sock != -1) && (sock != FD_MAGIC_NUMBER))
631 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
633 write(sock,tb,bytes > 512 ? 512 : bytes);
634 if (fd_ref_table[sock])
636 fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
637 fd_ref_table[sock]->cmds_out++;
639 statsSent += (bytes > 512 ? 512 : bytes);
643 /* write text from an originating user to originating user */
645 void WriteFrom(int sock, userrec *user,char* text, ...)
647 if (sock == FD_MAGIC_NUMBER)
649 if ((!text) || (!user))
651 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
654 char textbuffer[MAXBUF],tb[MAXBUF];
656 va_start (argsPtr, text);
658 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
660 int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
662 if ((sock != -1) && (sock != FD_MAGIC_NUMBER))
665 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
667 write(sock,tb,bytes > 512 ? 512 : bytes);
668 if (fd_ref_table[sock])
670 fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
671 fd_ref_table[sock]->cmds_out++;
673 statsSent += (bytes > 512 ? 512 : bytes);
677 /* write text to an destination user from a source user (e.g. user privmsg) */
679 void WriteTo(userrec *source, userrec *dest,char *data, ...)
681 if ((!dest) || (!data))
683 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
686 if (dest->fd == FD_MAGIC_NUMBER)
688 char textbuffer[MAXBUF],tb[MAXBUF];
690 va_start (argsPtr, data);
691 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
695 // if no source given send it from the server.
698 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
702 WriteFrom(dest->fd,source,"%s",textbuffer);
706 /* write formatted text from a source user to all users on a channel
707 * including the sender (NOT for privmsg, notice etc!) */
709 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
711 if ((!Ptr) || (!user) || (!text))
713 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
716 char textbuffer[MAXBUF];
718 va_start (argsPtr, text);
719 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
722 std::vector<char*> *ulist = Ptr->GetUsers();
723 for (int j = 0; j < ulist->size(); j++)
725 char* o = (*ulist)[j];
726 userrec* otheruser = (userrec*)o;
727 if (otheruser->fd != FD_MAGIC_NUMBER)
728 WriteTo(user,otheruser,"%s",textbuffer);
732 /* write formatted text from a source user to all users on a channel
733 * including the sender (NOT for privmsg, notice etc!) doesnt send to
734 * users on remote servers */
736 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
738 if ((!Ptr) || (!text))
740 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
743 char textbuffer[MAXBUF];
745 va_start (argsPtr, text);
746 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
749 std::vector<char*> *ulist = Ptr->GetUsers();
750 for (int j = 0; j < ulist->size(); j++)
752 char* o = (*ulist)[j];
753 userrec* otheruser = (userrec*)o;
754 if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser->fd != -1) && (otheruser != user))
758 WriteServ(otheruser->fd,"%s",textbuffer);
762 WriteTo(user,otheruser,"%s",textbuffer);
769 void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
771 if ((!Ptr) || (!text))
773 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
776 char textbuffer[MAXBUF];
778 va_start (argsPtr, text);
779 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
783 std::vector<char*> *ulist = Ptr->GetUsers();
784 for (int j = 0; j < ulist->size(); j++)
786 char* o = (*ulist)[j];
787 userrec* otheruser = (userrec*)o;
788 if (otheruser->fd != FD_MAGIC_NUMBER)
789 WriteServ(otheruser->fd,"%s",textbuffer);
794 /* write formatted text from a source user to all users on a channel except
795 * for the sender (for privmsg etc) */
797 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
799 if ((!Ptr) || (!user) || (!text))
801 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
804 char textbuffer[MAXBUF];
806 va_start (argsPtr, text);
807 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
810 std::vector<char*> *ulist = Ptr->GetUsers();
811 for (int j = 0; j < ulist->size(); j++)
813 char* o = (*ulist)[j];
814 userrec* otheruser = (userrec*)o;
815 if ((otheruser->fd != FD_MAGIC_NUMBER) && (user != otheruser))
816 WriteFrom(otheruser->fd,user,"%s",textbuffer);
821 std::string GetServerDescription(char* servername)
823 for (int j = 0; j < 32; j++)
827 for (int k = 0; k < me[j]->connectors.size(); k++)
829 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
831 return me[j]->connectors[k].GetDescription();
835 return ServerDesc; // not a remote server that can be found, it must be me.
840 /* write a formatted string to all users who share at least one common
841 * channel, including the source user e.g. for use in NICK */
843 void WriteCommon(userrec *u, char* text, ...)
847 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
851 if (u->registered != 7) {
852 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
856 char textbuffer[MAXBUF];
858 va_start (argsPtr, text);
859 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
862 // FIX: Stops a message going to the same person more than once
863 bzero(&already_sent,65536);
865 bool sent_to_at_least_one = false;
867 for (int i = 0; i < MAXCHANS; i++)
869 if (u->chans[i].channel)
871 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
872 for (int j = 0; j < ulist->size(); j++)
874 char* o = (*ulist)[j];
875 userrec* otheruser = (userrec*)o;
876 if ((otheruser->fd > 0) && (!already_sent[otheruser->fd]))
878 already_sent[otheruser->fd] = 1;
879 WriteFrom(otheruser->fd,u,"%s",textbuffer);
880 sent_to_at_least_one = true;
885 // if the user was not in any channels, no users will receive the text. Make sure the user
886 // receives their OWN message for WriteCommon
887 if (!sent_to_at_least_one)
889 WriteFrom(u->fd,u,"%s",textbuffer);
893 /* write a formatted string to all users who share at least one common
894 * channel, NOT including the source user e.g. for use in QUIT */
896 void WriteCommonExcept(userrec *u, char* text, ...)
900 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
904 if (u->registered != 7) {
905 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
909 char textbuffer[MAXBUF];
911 va_start (argsPtr, text);
912 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
915 bzero(&already_sent,65536);
917 for (int i = 0; i < MAXCHANS; i++)
919 if (u->chans[i].channel)
921 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
922 for (int j = 0; j < ulist->size(); j++)
924 char* o = (*ulist)[j];
925 userrec* otheruser = (userrec*)o;
928 if ((otheruser->fd > 0) && (!already_sent[otheruser->fd]))
930 already_sent[otheruser->fd] = 1;
931 WriteFrom(otheruser->fd,u,"%s",textbuffer);
939 void WriteOpers(char* text, ...)
943 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
947 char textbuffer[MAXBUF];
949 va_start (argsPtr, text);
950 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
953 for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
956 if ((a) && (a->fd != FD_MAGIC_NUMBER))
958 if (strchr(a->modes,'s'))
960 // send server notices to all with +s
961 WriteServ(a->fd,"NOTICE %s :%s",a->nick,textbuffer);
967 void NoticeAllOpers(userrec *source, bool local_only, char* text, ...)
969 if ((!text) || (!source))
971 log(DEFAULT,"*** BUG *** NoticeAllOpers was given an invalid parameter");
975 char textbuffer[MAXBUF];
977 va_start (argsPtr, text);
978 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
981 for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
984 if ((a) && (a->fd != FD_MAGIC_NUMBER))
986 if (strchr(a->modes,'s'))
988 // send server notices to all with +s
989 WriteServ(a->fd,"NOTICE %s :*** Notice From %s: %s",a->nick,source->nick,textbuffer);
997 snprintf(buffer,MAXBUF,"V %s @* :%s",source->nick,textbuffer);
998 NetSendToAll(buffer);
1002 // returns TRUE of any users on channel C occupy server 'servername'.
1004 bool ChanAnyOnThisServer(chanrec *c,char* servername)
1006 log(DEBUG,"ChanAnyOnThisServer");
1008 std::vector<char*> *ulist = c->GetUsers();
1009 for (int j = 0; j < ulist->size(); j++)
1011 char* o = (*ulist)[j];
1012 userrec* user = (userrec*)o;
1013 if (!strcasecmp(user->server,servername))
1019 // returns true if user 'u' shares any common channels with any users on server 'servername'
1021 bool CommonOnThisServer(userrec* u,const char* servername)
1023 log(DEBUG,"ChanAnyOnThisServer");
1025 for (int i = 0; i < MAXCHANS; i++)
1027 if (u->chans[i].channel)
1029 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
1030 for (int j = 0; j < ulist->size(); j++)
1032 char* o = (*ulist)[j];
1033 userrec* user = (userrec*)o;
1034 if (!strcasecmp(user->server,servername))
1043 void NetSendToCommon(userrec* u, char* s)
1045 char buffer[MAXBUF];
1046 snprintf(buffer,MAXBUF,"%s",s);
1048 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
1050 std::string msg = buffer;
1051 FOREACH_MOD OnPacketTransmit(msg,s);
1052 strlcpy(buffer,msg.c_str(),MAXBUF);
1054 for (int j = 0; j < 32; j++)
1058 for (int k = 0; k < me[j]->connectors.size(); k++)
1060 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
1062 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1070 void NetSendToAll(char* s)
1072 char buffer[MAXBUF];
1073 snprintf(buffer,MAXBUF,"%s",s);
1075 log(DEBUG,"NetSendToAll: '%s'",s);
1077 std::string msg = buffer;
1078 FOREACH_MOD OnPacketTransmit(msg,s);
1079 strlcpy(buffer,msg.c_str(),MAXBUF);
1081 for (int j = 0; j < 32; j++)
1085 for (int k = 0; k < me[j]->connectors.size(); k++)
1087 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1093 void NetSendToAllAlive(char* s)
1095 char buffer[MAXBUF];
1096 snprintf(buffer,MAXBUF,"%s",s);
1098 log(DEBUG,"NetSendToAllAlive: '%s'",s);
1100 std::string msg = buffer;
1101 FOREACH_MOD OnPacketTransmit(msg,s);
1102 strlcpy(buffer,msg.c_str(),MAXBUF);
1104 for (int j = 0; j < 32; j++)
1108 for (int k = 0; k < me[j]->connectors.size(); k++)
1110 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
1112 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1116 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
1124 void NetSendToOne(char* target,char* s)
1126 char buffer[MAXBUF];
1127 snprintf(buffer,MAXBUF,"%s",s);
1129 log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
1131 std::string msg = buffer;
1132 FOREACH_MOD OnPacketTransmit(msg,s);
1133 strlcpy(buffer,msg.c_str(),MAXBUF);
1135 for (int j = 0; j < 32; j++)
1139 for (int k = 0; k < me[j]->connectors.size(); k++)
1141 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
1143 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1150 void NetSendToAllExcept(const char* target,char* s)
1152 char buffer[MAXBUF];
1153 snprintf(buffer,MAXBUF,"%s",s);
1155 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
1157 std::string msg = buffer;
1158 FOREACH_MOD OnPacketTransmit(msg,s);
1159 strlcpy(buffer,msg.c_str(),MAXBUF);
1161 for (int j = 0; j < 32; j++)
1165 for (int k = 0; k < me[j]->connectors.size(); k++)
1167 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
1169 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1177 void WriteMode(const char* modes, int flags, const char* text, ...)
1179 if ((!text) || (!modes) || (!flags))
1181 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
1185 char textbuffer[MAXBUF];
1187 va_start (argsPtr, text);
1188 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1190 int modelen = strlen(modes);
1192 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1194 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1196 bool send_to_user = false;
1198 if (flags == WM_AND)
1200 send_to_user = true;
1201 for (int n = 0; n < modelen; n++)
1203 if (!hasumode(i->second,modes[n]))
1205 send_to_user = false;
1210 else if (flags == WM_OR)
1212 send_to_user = false;
1213 for (int n = 0; n < modelen; n++)
1215 if (hasumode(i->second,modes[n]))
1217 send_to_user = true;
1225 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
1232 void NoticeAll(userrec *source, bool local_only, char* text, ...)
1234 if ((!text) || (!source))
1236 log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter");
1240 char textbuffer[MAXBUF];
1242 va_start (argsPtr, text);
1243 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1246 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1248 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1250 WriteFrom(i->second->fd,source,"NOTICE $* :%s",textbuffer);
1256 char buffer[MAXBUF];
1257 snprintf(buffer,MAXBUF,"V %s * :%s",source->nick,textbuffer);
1258 NetSendToAll(buffer);
1263 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
1265 if ((!text) || (!source))
1267 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
1271 char textbuffer[MAXBUF];
1273 va_start (argsPtr, text);
1274 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1277 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1279 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1281 if (strchr(i->second->modes,'w'))
1283 WriteTo(source,i->second,"WALLOPS :%s",textbuffer);
1290 char buffer[MAXBUF];
1291 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
1292 NetSendToAll(buffer);
1296 /* convert a string to lowercase. Note following special circumstances
1297 * taken from RFC 1459. Many "official" server branches still hold to this
1298 * rule so i will too;
1300 * Because of IRC's scandanavian origin, the characters {}| are
1301 * considered to be the lower case equivalents of the characters []\,
1302 * respectively. This is a critical issue when determining the
1303 * equivalence of two nicknames.
1306 void strlower(char *n)
1312 for (int i = 0; n[i] != 0; i++)
1314 n[i] = tolower(n[i]);
1326 /* Find a user record by nickname and return a pointer to it */
1328 userrec* Find(std::string nick)
1330 user_hash::iterator iter = clientlist.find(nick);
1332 if (iter == clientlist.end())
1333 /* Couldn't find it */
1336 return iter->second;
1339 /* find a channel record by channel name and return a pointer to it */
1341 chanrec* FindChan(const char* chan)
1345 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1349 chan_hash::iterator iter = chanlist.find(chan);
1351 if (iter == chanlist.end())
1352 /* Couldn't find it */
1355 return iter->second;
1359 long GetMaxBans(char* name)
1362 for (int count = 0; count < ConfValueEnum("banlist",&config_f); count++)
1364 ConfValue("banlist","chan",count,CM,&config_f);
1367 ConfValue("banlist","limit",count,CM,&config_f);
1375 void purge_empty_chans(userrec* u)
1378 int go_again = 1, purge = 0;
1380 // firstly decrement the count on each channel
1381 for (int f = 0; f < MAXCHANS; f++)
1383 if (u->chans[f].channel)
1385 u->chans[f].channel->DecUserCounter();
1386 u->chans[f].channel->DelUser((char*)u);
1390 for (int i = 0; i < MAXCHANS; i++)
1392 if (u->chans[i].channel)
1394 if (!usercount(u->chans[i].channel))
1396 chan_hash::iterator i2 = chanlist.find(u->chans[i].channel->name);
1397 /* kill the record */
1398 if (i2 != chanlist.end())
1400 log(DEBUG,"del_channel: destroyed: %s",i2->second->name);
1406 u->chans[i].channel = NULL;
1411 log(DEBUG,"skipped purge for %s",u->chans[i].channel->name);
1415 log(DEBUG,"completed channel purge, killed %lu",(unsigned long)purge);
1421 char scratch[MAXBUF];
1422 char sparam[MAXBUF];
1424 char* chanmodes(chanrec *chan)
1428 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1435 if (chan->noexternal)
1437 strlcat(scratch,"n",MAXMODES);
1439 if (chan->topiclock)
1441 strlcat(scratch,"t",MAXMODES);
1445 strlcat(scratch,"k",MAXMODES);
1449 strlcat(scratch,"l",MAXMODES);
1451 if (chan->inviteonly)
1453 strlcat(scratch,"i",MAXMODES);
1455 if (chan->moderated)
1457 strlcat(scratch,"m",MAXMODES);
1461 strlcat(scratch,"s",MAXMODES);
1463 if (chan->c_private)
1465 strlcat(scratch,"p",MAXMODES);
1469 strlcat(sparam," ",MAXBUF);
1470 strlcat(sparam,chan->key,MAXBUF);
1475 sprintf(foo," %lu",(unsigned long)chan->limit);
1476 strlcat(sparam,foo,MAXBUF);
1478 if (*chan->custom_modes)
1480 strlcat(scratch,chan->custom_modes,MAXMODES);
1481 for (int z = 0; chan->custom_modes[z] != 0; z++)
1483 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1486 strlcat(sparam," ",MAXBUF);
1487 strlcat(sparam,extparam.c_str(),MAXBUF);
1491 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1492 strlcat(scratch,sparam,MAXMODES);
1497 /* compile a userlist of a channel into a string, each nick seperated by
1498 * spaces and op, voice etc status shown as @ and + */
1500 void userlist(userrec *user,chanrec *c)
1502 if ((!c) || (!user))
1504 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1508 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1509 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1511 if (has_channel(i->second,c))
1513 if (isnick(i->second->nick))
1515 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1517 /* user is +i, and source not on the channel, does not show
1518 * nick in NAMES list */
1521 strlcat(list,cmode(i->second,c),MAXBUF);
1522 strlcat(list,i->second->nick,MAXBUF);
1523 strlcat(list," ",MAXBUF);
1524 if (strlen(list)>(480-NICKMAX))
1526 /* list overflowed into
1527 * multiple numerics */
1528 WriteServ(user->fd,"%s",list);
1529 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1534 /* if whats left in the list isnt empty, send it */ if (list[strlen(list)-1] != ':')
1536 WriteServ(user->fd,"%s",list);
1540 /* return a count of the users on a specific channel accounting for
1541 * invisible users who won't increase the count. e.g. for /LIST */
1543 int usercount_i(chanrec *c)
1549 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1554 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1558 if (has_channel(i->second,c))
1560 if (isnick(i->second->nick))
1562 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1564 /* user is +i, and source not on the channel, does not show
1565 * nick in NAMES list */
1573 log(DEBUG,"usercount_i: %s %lu",c->name,(unsigned long)count);
1578 int usercount(chanrec *c)
1582 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1585 int count = c->GetUserCounter();
1586 log(DEBUG,"usercount: %s %lu",c->name,(unsigned long)count);
1591 /* add a channel to a user, creating the record for it if needed and linking
1592 * it to the user record */
1594 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1596 if ((!user) || (!cn))
1598 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1606 strncpy(cname,cn,MAXBUF);
1608 // we MUST declare this wherever we use FOREACH_RESULT
1611 if (strlen(cname) > CHANMAX-1)
1613 cname[CHANMAX-1] = '\0';
1616 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1618 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1620 return NULL; // already on the channel!
1624 if (!FindChan(cname))
1627 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1628 if (MOD_RESULT == 1) {
1632 /* create a new one */
1633 log(DEBUG,"add_channel: creating: %s",cname);
1635 chanlist[cname] = new chanrec();
1637 strlcpy(chanlist[cname]->name, cname,CHANMAX);
1638 chanlist[cname]->topiclock = 1;
1639 chanlist[cname]->noexternal = 1;
1640 chanlist[cname]->created = TIME;
1641 strcpy(chanlist[cname]->topic, "");
1642 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1643 chanlist[cname]->topicset = 0;
1644 Ptr = chanlist[cname];
1645 log(DEBUG,"add_channel: created: %s",cname);
1646 /* set created to 2 to indicate user
1647 * is the first in the channel
1648 * and should be given ops */
1654 /* channel exists, just fish out a pointer to its struct */
1655 Ptr = FindChan(cname);
1658 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1660 // the override flag allows us to bypass channel modes
1661 // and bans (used by servers)
1662 if ((!override) || (!strcasecmp(user->server,ServerName)))
1664 log(DEBUG,"Not overriding...");
1666 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1667 if (MOD_RESULT == 1) {
1670 log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
1674 log(DEBUG,"add_channel: checking key, invite, etc");
1676 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
1677 if (MOD_RESULT == 0)
1681 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1684 log(DEBUG,"add_channel: no key given in JOIN");
1685 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1690 if (strcasecmp(key,Ptr->key))
1692 log(DEBUG,"add_channel: bad key given in JOIN");
1693 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1698 log(DEBUG,"add_channel: no key");
1701 FOREACH_RESULT(OnCheckInvite(user, Ptr));
1702 if (MOD_RESULT == 0)
1704 if (Ptr->inviteonly)
1706 log(DEBUG,"add_channel: channel is +i");
1707 if (user->IsInvited(Ptr->name))
1709 /* user was invited to channel */
1710 /* there may be an optional channel NOTICE here */
1714 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1718 log(DEBUG,"add_channel: channel is not +i");
1721 FOREACH_RESULT(OnCheckLimit(user, Ptr));
1722 if (MOD_RESULT == 0)
1726 if (usercount(Ptr) >= Ptr->limit)
1728 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1733 log(DEBUG,"add_channel: about to walk banlist");
1735 FOREACH_RESULT(OnCheckBan(user, Ptr));
1736 if (MOD_RESULT == 0)
1738 /* check user against the channel banlist */
1741 if (Ptr->bans.size())
1743 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1745 if (match(user->GetFullHost(),i->data))
1747 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1753 log(DEBUG,"add_channel: bans checked");
1759 if ((Ptr) && (user))
1761 user->RemoveInvite(Ptr->name);
1764 log(DEBUG,"add_channel: invites removed");
1769 log(DEBUG,"Overridden checks");
1777 log(DEBUG,"Passed channel checks");
1779 for (int index =0; index != MAXCHANS; index++)
1781 log(DEBUG,"Check location %d",index);
1782 if (user->chans[index].channel == NULL)
1784 log(DEBUG,"Adding into their channel list at location %d",index);
1788 /* first user in is given ops */
1789 user->chans[index].uc_modes = UCMODE_OP;
1793 user->chans[index].uc_modes = 0;
1795 user->chans[index].channel = Ptr;
1796 Ptr->IncUserCounter();
1797 Ptr->AddUser((char*)user);
1798 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1800 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1802 // use the stamdard J token with no privilages.
1803 char buffer[MAXBUF];
1806 snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
1810 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
1812 NetSendToAll(buffer);
1815 log(DEBUG,"Sent JOIN to client");
1819 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1820 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
1823 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1824 //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1825 //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
1826 FOREACH_MOD OnUserJoin(user,Ptr);
1830 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1831 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1835 /* remove a channel from a users record, and remove the record from memory
1836 * if the channel has become empty */
1838 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1840 if ((!user) || (!cname))
1842 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1848 if ((!cname) || (!user))
1853 Ptr = FindChan(cname);
1860 FOREACH_MOD OnUserPart(user,Ptr);
1861 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1863 for (int i =0; i != MAXCHANS; i++)
1865 /* zap it from the channel list of the user */
1866 if (user->chans[i].channel == Ptr)
1870 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1874 char buffer[MAXBUF];
1875 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1876 NetSendToAll(buffer);
1885 char buffer[MAXBUF];
1886 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1887 NetSendToAll(buffer);
1890 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1892 user->chans[i].uc_modes = 0;
1893 user->chans[i].channel = NULL;
1894 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1899 Ptr->DecUserCounter();
1900 Ptr->DelUser((char*)user);
1902 /* if there are no users left on the channel */
1903 if (!usercount(Ptr))
1905 chan_hash::iterator iter = chanlist.find(Ptr->name);
1907 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1909 /* kill the record */
1910 if (iter != chanlist.end())
1912 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1914 chanlist.erase(iter);
1920 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1922 if ((!src) || (!user) || (!Ptr) || (!reason))
1924 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1928 if ((!Ptr) || (!user) || (!src))
1933 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1935 if (!has_channel(user,Ptr))
1937 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1942 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
1943 if (MOD_RESULT == ACR_DENY)
1946 if (MOD_RESULT == ACR_DEFAULT)
1948 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
1950 if (cstatus(src,Ptr) == STATUS_HOP)
1952 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1956 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1964 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
1968 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
1970 for (int i =0; i != MAXCHANS; i++)
1972 /* zap it from the channel list of the user */
1973 if (user->chans[i].channel)
1974 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1976 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1977 user->chans[i].uc_modes = 0;
1978 user->chans[i].channel = NULL;
1979 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1984 Ptr->DecUserCounter();
1985 Ptr->DelUser((char*)user);
1987 /* if there are no users left on the channel */
1988 if (!usercount(Ptr))
1990 chan_hash::iterator iter = chanlist.find(Ptr->name);
1992 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1994 /* kill the record */
1995 if (iter != chanlist.end())
1997 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1999 chanlist.erase(iter);
2007 /* This function pokes and hacks at a parameter list like the following:
2009 * PART #winbot,#darkgalaxy :m00!
2011 * to turn it into a series of individual calls like this:
2013 * PART #winbot :m00!
2014 * PART #darkgalaxy :m00!
2016 * The seperate calls are sent to a callback function provided by the caller
2017 * (the caller will usually call itself recursively). The callback function
2018 * must be a command handler. Calling this function on a line with no list causes
2019 * no action to be taken. You must provide a starting and ending parameter number
2020 * where the range of the list can be found, useful if you have a terminating
2021 * parameter as above which is actually not part of the list, or parameters
2022 * before the actual list as well. This code is used by many functions which
2023 * can function as "one to list" (see the RFC) */
2025 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
2030 char blog[32][MAXBUF];
2031 char blog2[32][MAXBUF];
2032 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
2033 char keystr[MAXBUF];
2036 for (int i = 0; i <32; i++)
2039 for (int i = 0; i <32; i++)
2040 strcpy(blog2[i],"");
2043 for (int i = 0; i <10; i++)
2047 parameters[i] = moo;
2052 if (pcnt > 1) /* we have a key to copy */
2054 strlcpy(keystr,parameters[1],MAXBUF);
2058 if (!parameters[start])
2062 if (!strchr(parameters[start],','))
2067 for (int i = start; i <= end; i++)
2071 strlcat(plist,parameters[i],MAXBUF);
2079 for (int i = 0; i < t; i++)
2081 if (plist[i] == ',')
2084 strlcpy(blog[j++],param,MAXBUF);
2088 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
2093 strlcpy(blog[j++],param,MAXBUF);
2096 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
2101 if ((joins) && (keystr))
2103 if (strchr(keystr,','))
2107 t2 = strlen(keystr);
2108 for (int i = 0; i < t2; i++)
2110 if (keystr[i] == ',')
2113 strlcpy(blog2[j++],param,MAXBUF);
2117 strlcpy(blog2[j++],param,MAXBUF);
2122 for (j = 0; j < total; j++)
2128 for (q = end; q < pcnt-1; q++)
2130 if (parameters[q+1])
2132 pars[q-end+1] = parameters[q+1];
2135 if ((joins) && (parameters[1]))
2146 /* repeatedly call the function with the hacked parameter list */
2147 if ((joins) && (pcnt > 1))
2151 // pars[1] already set up and containing key from blog2[j]
2156 pars[1] = parameters[1];
2162 fn(pars,pcnt-(end-start),u);
2171 void kill_link(userrec *user,const char* r)
2173 user_hash::iterator iter = clientlist.find(user->nick);
2175 char reason[MAXBUF];
2177 strncpy(reason,r,MAXBUF);
2179 if (strlen(reason)>MAXQUIT)
2181 reason[MAXQUIT-1] = '\0';
2184 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
2185 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
2186 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
2188 if (user->registered == 7) {
2189 FOREACH_MOD OnUserQuit(user);
2190 WriteCommonExcept(user,"QUIT :%s",reason);
2192 // Q token must go to ALL servers!!!
2193 char buffer[MAXBUF];
2194 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
2195 NetSendToAll(buffer);
2198 FOREACH_MOD OnUserDisconnect(user);
2202 FOREACH_MOD OnRawSocketClose(user->fd);
2203 shutdown(user->fd,2);
2207 if (user->registered == 7) {
2208 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
2212 if (user->registered == 7) {
2213 purge_empty_chans(user);
2216 if (iter != clientlist.end())
2218 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
2220 fd_ref_table[user->fd] = NULL;
2222 clientlist.erase(iter);
2226 void kill_link_silent(userrec *user,const char* r)
2228 user_hash::iterator iter = clientlist.find(user->nick);
2230 char reason[MAXBUF];
2232 strncpy(reason,r,MAXBUF);
2234 if (strlen(reason)>MAXQUIT)
2236 reason[MAXQUIT-1] = '\0';
2239 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
2240 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
2241 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
2243 if (user->registered == 7) {
2244 FOREACH_MOD OnUserQuit(user);
2245 WriteCommonExcept(user,"QUIT :%s",reason);
2247 // Q token must go to ALL servers!!!
2248 char buffer[MAXBUF];
2249 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
2250 NetSendToAll(buffer);
2253 FOREACH_MOD OnUserDisconnect(user);
2257 FOREACH_MOD OnRawSocketClose(user->fd);
2258 shutdown(user->fd,2);
2262 if (user->registered == 7) {
2263 purge_empty_chans(user);
2266 if (iter != clientlist.end())
2268 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
2270 fd_ref_table[user->fd] = NULL;
2272 clientlist.erase(iter);
2278 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
2280 char* Passwd(userrec *user)
2282 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2284 if (match(user->host,i->host) && (i->type == CC_ALLOW))
2292 bool IsDenied(userrec *user)
2294 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2296 if (match(user->host,i->host) && (i->type == CC_DENY))
2307 /* sends out an error notice to all connected clients (not to be used
2310 void send_error(char *s)
2312 log(DEBUG,"send_error: %s",s);
2313 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2315 if (isnick(i->second->nick))
2317 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
2321 // fix - unregistered connections receive ERROR, not NOTICE
2322 Write(i->second->fd,"ERROR :%s",s);
2327 void Error(int status)
2329 signal (SIGALRM, SIG_IGN);
2330 signal (SIGPIPE, SIG_IGN);
2331 signal (SIGTERM, SIG_IGN);
2332 signal (SIGABRT, SIG_IGN);
2333 signal (SIGSEGV, SIG_IGN);
2334 signal (SIGURG, SIG_IGN);
2335 signal (SIGKILL, SIG_IGN);
2336 log(DEFAULT,"*** fell down a pothole in the road to perfection ***");
2337 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
2342 int main(int argc, char** argv)
2346 log(DEBUG,"*** InspIRCd starting up!");
2347 if (!FileExists(CONFIG_FILE))
2349 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
2350 log(DEFAULT,"main: no config");
2351 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
2355 for (int i = 1; i < argc; i++)
2357 if (!strcmp(argv[i],"-nofork")) {
2360 if (!strcmp(argv[i],"-wait")) {
2363 if (!strcmp(argv[i],"-nolimit")) {
2368 strlcpy(MyExecutable,argv[0],MAXBUF);
2370 if (InspIRCd(argv,argc) == ERROR)
2372 log(DEFAULT,"main: daemon function bailed");
2373 printf("ERROR: could not initialise. Shutting down.\n");
2380 template<typename T> inline string ConvToStr(const T &in)
2383 if (!(tmp << in)) return string();
2387 /* re-allocates a nick in the user_hash after they change nicknames,
2388 * returns a pointer to the new user as it may have moved */
2390 userrec* ReHashNick(char* Old, char* New)
2392 //user_hash::iterator newnick;
2393 user_hash::iterator oldnick = clientlist.find(Old);
2395 log(DEBUG,"ReHashNick: %s %s",Old,New);
2397 if (!strcasecmp(Old,New))
2399 log(DEBUG,"old nick is new nick, skipping");
2400 return oldnick->second;
2403 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
2405 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
2407 clientlist[New] = new userrec();
2408 clientlist[New] = oldnick->second;
2409 clientlist.erase(oldnick);
2411 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
2413 return clientlist[New];
2416 /* adds or updates an entry in the whowas list */
2417 void AddWhoWas(userrec* u)
2419 user_hash::iterator iter = whowas.find(u->nick);
2420 userrec *a = new userrec();
2421 strlcpy(a->nick,u->nick,NICKMAX);
2422 strlcpy(a->ident,u->ident,64);
2423 strlcpy(a->dhost,u->dhost,256);
2424 strlcpy(a->host,u->host,256);
2425 strlcpy(a->fullname,u->fullname,128);
2426 strlcpy(a->server,u->server,256);
2427 a->signon = u->signon;
2429 /* MAX_WHOWAS: max number of /WHOWAS items
2430 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
2431 * can be replaced by a newer one
2434 if (iter == whowas.end())
2436 if (whowas.size() == WHOWAS_MAX)
2438 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
2440 // 3600 seconds in an hour ;)
2441 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
2443 if (i->second) delete i->second;
2445 log(DEBUG,"added WHOWAS entry, purged an old record");
2452 log(DEBUG,"added fresh WHOWAS entry");
2453 whowas[a->nick] = a;
2458 log(DEBUG,"updated WHOWAS entry");
2459 if (iter->second) delete iter->second;
2465 /* add a client connection to the sockets list */
2466 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
2470 user_hash::iterator iter;
2472 tempnick = ConvToStr(socket) + "-unknown";
2473 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
2475 iter = clientlist.find(tempnick);
2478 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
2479 // using one as a registered connection. As theyre per fd, we can also safely assume
2480 // that we wont have collisions. Therefore, if the nick exists in the list, its only
2481 // used by a dead socket, erase the iterator so that the new client may reclaim it.
2482 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
2483 // issue in earlier alphas/betas
2484 if (iter != clientlist.end())
2486 clientlist.erase(iter);
2490 * It is OK to access the value here this way since we know
2491 * it exists, we just created it above.
2493 * At NO other time should you access a value in a map or a
2494 * hash_map this way.
2496 clientlist[tempnick] = new userrec();
2498 NonBlocking(socket);
2499 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
2501 clientlist[tempnick]->fd = socket;
2502 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
2503 strncpy(clientlist[tempnick]->host, host,160);
2504 strncpy(clientlist[tempnick]->dhost, host,160);
2505 strncpy(clientlist[tempnick]->server, ServerName,256);
2506 strncpy(clientlist[tempnick]->ident, "unknown",12);
2507 clientlist[tempnick]->registered = 0;
2508 clientlist[tempnick]->signon = TIME+dns_timeout;
2509 clientlist[tempnick]->lastping = 1;
2510 clientlist[tempnick]->port = port;
2511 strncpy(clientlist[tempnick]->ip,ip,32);
2513 // set the registration timeout for this user
2514 unsigned long class_regtimeout = 90;
2515 int class_flood = 0;
2516 long class_threshold = 5;
2518 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2520 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
2522 class_regtimeout = (unsigned long)i->registration_timeout;
2523 class_flood = i->flood;
2524 clientlist[tempnick]->pingmax = i->pingtime;
2525 class_threshold = i->threshold;
2530 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
2531 clientlist[tempnick]->timeout = TIME+class_regtimeout;
2532 clientlist[tempnick]->flood = class_flood;
2533 clientlist[tempnick]->threshold = class_threshold;
2535 for (int i = 0; i < MAXCHANS; i++)
2537 clientlist[tempnick]->chans[i].channel = NULL;
2538 clientlist[tempnick]->chans[i].uc_modes = 0;
2541 if (clientlist.size() == MAXCLIENTS)
2543 kill_link(clientlist[tempnick],"No more connections allowed in this class");
2547 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
2548 // its a pretty big but for the moment valid assumption:
2549 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
2550 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
2551 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
2552 // which for the time being is a physical impossibility (even the largest networks dont have more
2553 // than about 10,000 users on ONE server!)
2556 kill_link(clientlist[tempnick],"Server is full");
2561 char* e = matches_exception(ip);
2564 char* r = matches_zline(ip);
2567 char reason[MAXBUF];
2568 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
2569 kill_link(clientlist[tempnick],reason);
2573 fd_ref_table[socket] = clientlist[tempnick];
2576 // this function counts all users connected, wether they are registered or NOT.
2579 return clientlist.size();
2582 // this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
2583 int registered_usercount(void)
2586 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2588 if ((i->second->fd) && (isnick(i->second->nick))) c++;
2593 int usercount_invisible(void)
2597 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2599 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
2604 int usercount_opers(void)
2608 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2610 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
2615 int usercount_unknown(void)
2619 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2621 if ((i->second->fd) && (i->second->registered != 7))
2627 long chancount(void)
2629 return chanlist.size();
2632 long count_servs(void)
2635 for (int i = 0; i < 32; i++)
2639 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2641 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2651 long servercount(void)
2653 return count_servs()+1;
2659 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2661 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
2667 void ShowMOTD(userrec *user)
2669 std::string WholeMOTD = "";
2672 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
2675 WholeMOTD = std::string(":") + std::string(ServerName) + std::string(" 375 ") + std::string(user->nick) + std::string(" :- ") + std::string(ServerName) + " message of the day\r\n";
2676 for (int i = 0; i != MOTD.size(); i++)
2678 WholeMOTD = WholeMOTD + std::string(":") + std::string(ServerName) + std::string(" 372 ") + std::string(user->nick) + std::string(" :- ") + MOTD[i] + std::string("\r\n");
2680 WholeMOTD = WholeMOTD + std::string(":") + std::string(ServerName) + std::string(" 376 ") + std::string(user->nick) + std::string(" :End of message of the day.\r\n");
2681 // only one write operation
2682 send(user->fd,WholeMOTD.c_str(),WholeMOTD.length(),0);
2683 statsSent += WholeMOTD.length();
2686 void ShowRULES(userrec *user)
2690 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
2693 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
2694 for (int i = 0; i != RULES.size(); i++)
2696 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
2698 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
2701 /* shows the message of the day, and any other on-logon stuff */
2702 void FullConnectUser(userrec* user)
2705 user->idle_lastmsg = TIME;
2706 log(DEBUG,"ConnectUser: %s",user->nick);
2708 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
2710 kill_link(user,"Invalid password");
2715 kill_link(user,"Unauthorised connection");
2719 char match_against[MAXBUF];
2720 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
2721 char* e = matches_exception(match_against);
2724 char* r = matches_gline(match_against);
2727 char reason[MAXBUF];
2728 snprintf(reason,MAXBUF,"G-Lined: %s",r);
2729 kill_link_silent(user,reason);
2732 r = matches_kline(user->host);
2735 char reason[MAXBUF];
2736 snprintf(reason,MAXBUF,"K-Lined: %s",r);
2737 kill_link_silent(user,reason);
2742 // fix by brain: move this below the xline checks to prevent spurious quits going onto the net that dont belong
2743 user->registered = 7;
2745 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
2746 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
2747 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
2748 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
2749 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
2750 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
2751 std::stringstream v;
2752 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
2753 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
2754 v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
2755 v << std::string(Network);
2756 std::string data005 = v.str();
2757 FOREACH_MOD On005Numeric(data005);
2758 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
2759 // so i'd better split it :)
2760 std::stringstream out(data005);
2761 std::string token = "";
2762 std::string line5 = "";
2763 int token_counter = 0;
2767 line5 = line5 + token + " ";
2769 if ((token_counter >= 13) || (out.eof() == true))
2771 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
2778 char buffer[MAXBUF];
2779 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);
2780 NetSendToAll(buffer);
2782 // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
2783 FOREACH_MOD OnUserConnect(user);
2784 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
2788 // this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
2789 // (until this returns true, a user will block in the waiting state, waiting to connect up to the
2790 // registration timeout maximum seconds)
2791 bool AllModulesReportReady(userrec* user)
2793 for (int i = 0; i <= MODCOUNT; i++)
2795 int res = modules[i]->OnCheckReady(user);
2802 /* shows the message of the day, and any other on-logon stuff */
2803 void ConnectUser(userrec *user)
2805 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
2806 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
2808 FullConnectUser(user);
2812 std::string GetVersionString()
2814 char Revision[] = "$Revision$";
2815 char versiondata[MAXBUF];
2816 char *s1 = Revision;
2818 char *v2 = strtok_r(s1," ",&savept);
2820 v2 = strtok_r(s1," ",&savept);
2822 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu)",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION);
2826 void handle_version(char **parameters, int pcnt, userrec *user)
2830 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
2834 if (!strcmp(parameters[0],"*"))
2836 for (int j = 0; j < 32; j++)
2840 for (int x = 0; x < me[j]->connectors.size(); x++)
2842 WriteServ(user->fd,"351 %s :Server %d:%d (%s): %s",user->nick,j,x,me[j]->connectors[x].GetServerName().c_str(),me[j]->connectors[x].GetVersionString().c_str());
2848 if (match(ServerName,parameters[0]))
2850 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
2853 bool displayed = false, found = false;
2854 for (int j = 0; j < 32; j++)
2858 for (int x = 0; x < me[j]->connectors.size(); x++)
2860 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
2863 if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
2866 WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
2872 if ((!displayed) && (found))
2874 WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
2879 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
2886 // calls a handler function for a command
2888 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
2890 for (int i = 0; i < cmdlist.size(); i++)
2892 if (!strcasecmp(cmdlist[i].command,commandname))
2894 if (cmdlist[i].handler_function)
2896 if (pcnt>=cmdlist[i].min_params)
2898 if (strchr(user->modes,cmdlist[i].flags_needed))
2900 cmdlist[i].handler_function(parameters,pcnt,user);
2908 void DoSplitEveryone()
2910 bool go_again = true;
2914 for (int i = 0; i < 32; i++)
2918 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2920 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2923 j->CloseConnection();
2924 me[i]->connectors.erase(j);
2932 log(DEBUG,"Removed server. Will remove clients...");
2933 // iterate through the userlist and remove all users on this server.
2934 // because we're dealing with a mesh, we dont have to deal with anything
2935 // "down-route" from this server (nice huh)
2937 char reason[MAXBUF];
2941 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2943 if (strcasecmp(u->second->server,ServerName))
2945 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
2946 kill_link(u->second,reason);
2956 char islast(const char* s)
2959 for (int j = 0; j < 32; j++)
2963 for (int k = 0; k < me[j]->connectors.size(); k++)
2965 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2969 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2979 long map_count(const char* s)
2982 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2984 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
2990 void force_nickchange(userrec* user,const char* newnick)
2997 FOREACH_RESULT(OnUserPreNick(user,newnick));
3000 kill_link(user,"Nickname collision");
3003 if (matches_qline(newnick))
3006 kill_link(user,"Nickname collision");
3014 strncpy(nick,newnick,MAXBUF);
3016 if (user->registered == 7)
3020 handle_nick(pars,1,user);
3026 int process_parameters(char **command_p,char *parameters)
3029 int q = strlen(parameters);
3032 /* no parameters, command_p invalid! */
3035 if (parameters[0] == ':')
3037 command_p[0] = parameters+1;
3042 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
3044 /* only one parameter */
3045 command_p[0] = parameters;
3046 if (parameters[0] == ':')
3048 if (strchr(parameters,' ') != NULL)
3056 command_p[j++] = parameters;
3057 for (int i = 0; i <= q; i++)
3059 if (parameters[i] == ' ')
3061 command_p[j++] = parameters+i+1;
3062 parameters[i] = '\0';
3063 if (command_p[j-1][0] == ':')
3065 *command_p[j-1]++; /* remove dodgy ":" */
3067 /* parameter like this marks end of the sequence */
3071 return j; /* returns total number of items in the list */
3074 void process_command(userrec *user, char* cmd)
3078 char *command_p[127];
3079 char p[MAXBUF], temp[MAXBUF];
3080 int j, items, cmd_found;
3082 for (int i = 0; i < 127; i++)
3083 command_p[i] = NULL;
3098 int total_params = 0;
3101 for (int q = 0; q < strlen(cmd)-1; q++)
3103 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
3106 // found a 'trailing', we dont count them after this.
3114 // another phidjit bug...
3115 if (total_params > 126)
3117 *(strchr(cmd,' ')) = '\0';
3118 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
3122 strlcpy(temp,cmd,MAXBUF);
3124 std::string tmp = cmd;
3125 for (int i = 0; i <= MODCOUNT; i++)
3127 std::string oldtmp = tmp;
3128 modules[i]->OnServerRaw(tmp,true,user);
3131 log(DEBUG,"A Module changed the input string!");
3132 log(DEBUG,"New string: %s",tmp.c_str());
3133 log(DEBUG,"Old string: %s",oldtmp.c_str());
3137 strlcpy(cmd,tmp.c_str(),MAXBUF);
3138 strlcpy(temp,cmd,MAXBUF);
3140 if (!strchr(cmd,' '))
3142 /* no parameters, lets skip the formalities and not chop up
3144 log(DEBUG,"About to preprocess command with no params");
3146 command_p[0] = NULL;
3148 for (int i = 0; i <= strlen(cmd); i++)
3150 cmd[i] = toupper(cmd[i]);
3158 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
3159 for (int i = 0; i < strlen(temp); i++)
3161 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
3167 /* split the full string into a command plus parameters */
3171 if (strchr(cmd,' '))
3173 for (int i = 0; i <= strlen(cmd); i++)
3175 /* capitalise the command ONLY, leave params intact */
3176 cmd[i] = toupper(cmd[i]);
3177 /* are we nearly there yet?! :P */
3181 parameters = cmd+i+1;
3189 for (int i = 0; i <= strlen(cmd); i++)
3191 cmd[i] = toupper(cmd[i]);
3198 if (strlen(command)>MAXCOMMAND)
3200 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
3204 for (int x = 0; x < strlen(command); x++)
3206 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
3208 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
3210 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
3213 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
3220 for (int i = 0; i != cmdlist.size(); i++)
3222 if (cmdlist[i].command[0])
3224 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
3230 items = process_parameters(command_p,parameters);
3235 command_p[0] = NULL;
3241 command_p[0] = NULL;
3246 /* activity resets the ping pending timer */
3247 user->nping = TIME + user->pingmax;
3248 if ((items) < cmdlist[i].min_params)
3250 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
3251 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
3254 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
3256 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
3257 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
3261 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
3263 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
3264 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
3268 /* if the command isnt USER, PASS, or NICK, and nick is empty,
3270 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
3272 if ((!isnick(user->nick)) || (user->registered != 7))
3274 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
3275 WriteServ(user->fd,"451 %s :You have not registered",command);
3279 if ((user->registered == 7) && (!strchr(user->modes,'o')))
3283 mycmd = strtok_r(DisabledCommands," ",&savept2);
3286 if (!strcasecmp(mycmd,command))
3288 // command is disabled!
3289 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
3292 mycmd = strtok_r(NULL," ",&savept2);
3297 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
3299 if (cmdlist[i].handler_function)
3302 /* ikky /stats counters */
3305 cmdlist[i].use_count++;
3306 cmdlist[i].total_bytes+=strlen(temp);
3310 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
3311 if (MOD_RESULT == 1) {
3315 /* WARNING: nothing may come after the
3316 * command handler call, as the handler
3317 * may free the user structure! */
3319 cmdlist[i].handler_function(command_p,items,user);
3325 WriteServ(user->fd,"451 %s :You have not registered",command);
3333 if ((!cmd_found) && (user))
3336 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
3341 void createcommand(char* cmd, handlerfunc f, char flags, int minparams,char* source)
3344 /* create the command and push it onto the table */
3345 strlcpy(comm.command,cmd,MAXBUF);
3346 strlcpy(comm.source,source,MAXBUF);
3347 comm.handler_function = f;
3348 comm.flags_needed = flags;
3349 comm.min_params = minparams;
3351 comm.total_bytes = 0;
3352 cmdlist.push_back(comm);
3353 log(DEBUG,"Added command %s (%lu parameters)",cmd,(unsigned long)minparams);
3356 bool removecommands(const char* source)
3358 bool go_again = true;
3362 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
3364 if (!strcmp(i->source,source))
3366 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
3376 void SetupCommandTable(void)
3378 createcommand("USER",handle_user,0,4,"<core>");
3379 createcommand("NICK",handle_nick,0,1,"<core>");
3380 createcommand("QUIT",handle_quit,0,0,"<core>");
3381 createcommand("VERSION",handle_version,0,0,"<core>");
3382 createcommand("PING",handle_ping,0,1,"<core>");
3383 createcommand("PONG",handle_pong,0,1,"<core>");
3384 createcommand("ADMIN",handle_admin,0,0,"<core>");
3385 createcommand("PRIVMSG",handle_privmsg,0,2,"<core>");
3386 createcommand("INFO",handle_info,0,0,"<core>");
3387 createcommand("TIME",handle_time,0,0,"<core>");
3388 createcommand("WHOIS",handle_whois,0,1,"<core>");
3389 createcommand("WALLOPS",handle_wallops,'o',1,"<core>");
3390 createcommand("NOTICE",handle_notice,0,2,"<core>");
3391 createcommand("JOIN",handle_join,0,1,"<core>");
3392 createcommand("NAMES",handle_names,0,0,"<core>");
3393 createcommand("PART",handle_part,0,1,"<core>");
3394 createcommand("KICK",handle_kick,0,2,"<core>");
3395 createcommand("MODE",handle_mode,0,1,"<core>");
3396 createcommand("TOPIC",handle_topic,0,1,"<core>");
3397 createcommand("WHO",handle_who,0,1,"<core>");
3398 createcommand("MOTD",handle_motd,0,0,"<core>");
3399 createcommand("RULES",handle_rules,0,0,"<core>");
3400 createcommand("OPER",handle_oper,0,2,"<core>");
3401 createcommand("LIST",handle_list,0,0,"<core>");
3402 createcommand("DIE",handle_die,'o',1,"<core>");
3403 createcommand("RESTART",handle_restart,'o',1,"<core>");
3404 createcommand("KILL",handle_kill,'o',2,"<core>");
3405 createcommand("REHASH",handle_rehash,'o',0,"<core>");
3406 createcommand("LUSERS",handle_lusers,0,0,"<core>");
3407 createcommand("STATS",handle_stats,0,1,"<core>");
3408 createcommand("USERHOST",handle_userhost,0,1,"<core>");
3409 createcommand("AWAY",handle_away,0,0,"<core>");
3410 createcommand("ISON",handle_ison,0,0,"<core>");
3411 createcommand("SUMMON",handle_summon,0,0,"<core>");
3412 createcommand("USERS",handle_users,0,0,"<core>");
3413 createcommand("INVITE",handle_invite,0,2,"<core>");
3414 createcommand("PASS",handle_pass,0,1,"<core>");
3415 createcommand("TRACE",handle_trace,'o',0,"<core>");
3416 createcommand("WHOWAS",handle_whowas,0,1,"<core>");
3417 createcommand("CONNECT",handle_connect,'o',1,"<core>");
3418 createcommand("SQUIT",handle_squit,'o',0,"<core>");
3419 createcommand("MODULES",handle_modules,0,0,"<core>");
3420 createcommand("LINKS",handle_links,0,0,"<core>");
3421 createcommand("MAP",handle_map,0,0,"<core>");
3422 createcommand("KLINE",handle_kline,'o',1,"<core>");
3423 createcommand("GLINE",handle_gline,'o',1,"<core>");
3424 createcommand("ZLINE",handle_zline,'o',1,"<core>");
3425 createcommand("QLINE",handle_qline,'o',1,"<core>");
3426 createcommand("ELINE",handle_eline,'o',1,"<core>");
3427 createcommand("LOADMODULE",handle_loadmodule,'o',1,"<core>");
3428 createcommand("UNLOADMODULE",handle_unloadmodule,'o',1,"<core>");
3429 createcommand("SERVER",handle_server,0,0,"<core>");
3432 void process_buffer(const char* cmdbuf,userrec *user)
3436 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
3442 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
3449 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
3451 strlcpy(cmd,cmdbuf,MAXBUF);
3456 int sl = strlen(cmd)-1;
3457 if ((cmd[sl] == 13) || (cmd[sl] == 10))
3462 if ((cmd[sl] == 13) || (cmd[sl] == 10))
3467 while (cmd[sl] == ' ') // strip trailing spaces
3477 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
3479 if ((user) && (cmd))
3481 process_command(user,cmd);
3485 void DoSync(serverrec* serv, char* tcp_host)
3488 log(DEBUG,"Sending sync");
3489 // send start of sync marker: Y <timestamp>
3490 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
3491 // except the ones its receiving it from.
3492 snprintf(data,MAXBUF,"Y %lu",(unsigned long)TIME);
3493 serv->SendPacket(data,tcp_host);
3494 // send users and channels
3496 NetSendMyRoutingTable();
3498 // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
3499 for (int j = 0; j < 32; j++)
3503 for (int k = 0; k < me[j]->connectors.size(); k++)
3505 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
3507 snprintf(data,MAXBUF,"H %s",me[j]->connectors[k].GetServerName().c_str());
3508 serv->SendPacket(data,tcp_host);
3514 // send our version for the remote side to cache
3515 snprintf(data,MAXBUF,"v %s %s",ServerName,GetVersionString().c_str());
3516 serv->SendPacket(data,tcp_host);
3518 // sync the users and channels, give the modules a look-in.
3519 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
3521 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);
3522 serv->SendPacket(data,tcp_host);
3523 if (strchr(u->second->modes,'o'))
3525 snprintf(data,MAXBUF,"| %s %s",u->second->nick,u->second->oper);
3526 serv->SendPacket(data,tcp_host);
3528 for (int i = 0; i <= MODCOUNT; i++)
3530 string_list l = modules[i]->OnUserSync(u->second);
3531 for (int j = 0; j < l.size(); j++)
3533 strlcpy(data,l[j].c_str(),MAXBUF);
3534 serv->SendPacket(data,tcp_host);
3537 char* chl = chlist(u->second,u->second);
3540 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chl);
3541 serv->SendPacket(data,tcp_host);
3544 // send channel modes, topics etc...
3545 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
3547 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
3548 serv->SendPacket(data,tcp_host);
3549 for (int i = 0; i <= MODCOUNT; i++)
3551 string_list l = modules[i]->OnChannelSync(c->second);
3552 for (int j = 0; j < l.size(); j++)
3554 strlcpy(data,l[j].c_str(),MAXBUF);
3555 serv->SendPacket(data,tcp_host);
3558 if (c->second->topic[0])
3560 snprintf(data,MAXBUF,"T %lu %s %s :%s",(unsigned long)c->second->topicset,c->second->setby,c->second->name,c->second->topic);
3561 serv->SendPacket(data,tcp_host);
3563 // send current banlist
3565 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
3567 snprintf(data,MAXBUF,"M %s +b %s",c->second->name,b->data);
3568 serv->SendPacket(data,tcp_host);
3571 // sync global zlines, glines, etc
3572 sync_xlines(serv,tcp_host);
3574 snprintf(data,MAXBUF,"F %lu",(unsigned long)TIME);
3575 serv->SendPacket(data,tcp_host);
3576 log(DEBUG,"Sent sync");
3577 // ircd sends its serverlist after the end of sync here
3581 void NetSendMyRoutingTable()
3583 // send out a line saying what is reachable to us.
3584 // E.g. if A is linked to B C and D, send out:
3586 // if its only linked to B and D send out:
3588 // if it has no links, dont even send out the line at all.
3589 char buffer[MAXBUF];
3590 snprintf(buffer,MAXBUF,"$ %s",ServerName);
3591 bool sendit = false;
3592 for (int i = 0; i < 32; i++)
3596 for (int j = 0; j < me[i]->connectors.size(); j++)
3598 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
3600 strlcat(buffer," ",MAXBUF);
3601 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
3608 NetSendToAll(buffer);
3612 void DoSplit(const char* params)
3614 bool go_again = true;
3618 for (int i = 0; i < 32; i++)
3622 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3624 if (!strcasecmp(j->GetServerName().c_str(),params))
3627 j->CloseConnection();
3628 me[i]->connectors.erase(j);
3636 log(DEBUG,"Removed server. Will remove clients...");
3637 // iterate through the userlist and remove all users on this server.
3638 // because we're dealing with a mesh, we dont have to deal with anything
3639 // "down-route" from this server (nice huh)
3641 char reason[MAXBUF];
3642 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
3646 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
3648 if (!strcasecmp(u->second->server,params))
3650 kill_link(u->second,reason);
3658 // removes a server. Will NOT remove its users!
3660 void RemoveServer(const char* name)
3662 bool go_again = true;
3666 for (int i = 0; i < 32; i++)
3670 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3672 if (!strcasecmp(j->GetServerName().c_str(),name))
3675 j->CloseConnection();
3676 me[i]->connectors.erase(j);
3687 char MODERR[MAXBUF];
3694 void erase_factory(int j)
3697 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
3702 factory.push_back(NULL);
3709 void erase_module(int j)
3712 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
3718 modules.push_back(NULL);
3724 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
3728 module_names.erase(v);
3736 bool UnloadModule(const char* filename)
3738 for (int j = 0; j != module_names.size(); j++)
3740 if (module_names[j] == std::string(filename))
3742 if (modules[j]->GetVersion().Flags & VF_STATIC)
3744 log(DEFAULT,"Failed to unload STATIC module %s",filename);
3745 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
3749 log(DEBUG,"Deleting module...");
3751 log(DEBUG,"Erasing module entry...");
3753 log(DEBUG,"Removing dependent commands...");
3754 removecommands(filename);
3755 log(DEFAULT,"Module %s unloaded",filename);
3760 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
3761 snprintf(MODERR,MAXBUF,"Module not loaded");
3765 bool DirValid(char* dirandfile)
3768 strlcpy(work,dirandfile,MAXBUF);
3769 int p = strlen(work);
3770 // we just want the dir
3771 while (strlen(work))
3780 char buffer[MAXBUF], otherdir[MAXBUF];
3781 // Get the current working directory
3782 if( getcwd( buffer, MAXBUF ) == NULL )
3785 if( getcwd( otherdir, MAXBUF ) == NULL )
3788 if (strlen(otherdir) >= strlen(work))
3790 otherdir[strlen(work)] = '\0';
3791 if (!strcmp(otherdir,work))
3800 std::string GetFullProgDir(char** argv, int argc)
3803 strlcpy(work,argv[0],MAXBUF);
3804 int p = strlen(work);
3805 // we just want the dir
3806 while (strlen(work))
3815 char buffer[MAXBUF], otherdir[MAXBUF];
3816 // Get the current working directory
3817 if( getcwd( buffer, MAXBUF ) == NULL )
3820 if( getcwd( otherdir, MAXBUF ) == NULL )
3826 bool LoadModule(const char* filename)
3828 char modfile[MAXBUF];
3829 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
3830 if (!DirValid(modfile))
3832 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
3833 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
3836 log(DEBUG,"Loading module: %s",modfile);
3837 if (FileExists(modfile))
3839 for (int j = 0; j < module_names.size(); j++)
3841 if (module_names[j] == std::string(filename))
3843 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
3844 snprintf(MODERR,MAXBUF,"Module already loaded");
3848 ircd_module* a = new ircd_module(modfile);
3849 factory[MODCOUNT+1] = a;
3850 if (factory[MODCOUNT+1]->LastError())
3852 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
3853 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
3857 if (factory[MODCOUNT+1]->factory)
3859 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
3860 modules[MODCOUNT+1] = m;
3861 /* save the module and the module's classfactory, if
3862 * this isnt done, random crashes can occur :/ */
3863 module_names.push_back(filename);
3867 log(DEFAULT,"Unable to load %s",modfile);
3868 snprintf(MODERR,MAXBUF,"Factory function failed!");
3874 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
3875 snprintf(MODERR,MAXBUF,"Module file could not be found");
3882 int InspIRCd(char** argv, int argc)
3884 struct sockaddr_in client,server;
3885 char addrs[MAXBUF][255];
3886 int incomingSockfd, result = TRUE;
3889 int selectResult = 0, selectResult2 = 0;
3890 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
3894 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
3895 log_file = fopen(logpath.c_str(),"a+");
3898 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
3901 printf("Logging to %s...\n",logpath.c_str());
3903 log(DEFAULT,"$Id$");
3906 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
3908 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
3910 SetupCommandTable();
3911 log(DEBUG,"InspIRCd: startup: default command table set up");
3913 ReadConfig(true,NULL);
3916 printf("WARNING: %s\n\n",DieValue);
3917 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
3920 log(DEBUG,"InspIRCd: startup: read config");
3922 int clientportcount = 0, serverportcount = 0;
3924 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
3926 ConfValue("bind","port",count,configToken,&config_f);
3927 ConfValue("bind","address",count,Addr,&config_f);
3928 ConfValue("bind","type",count,Type,&config_f);
3929 if (!strcmp(Type,"servers"))
3931 char Default[MAXBUF];
3932 strcpy(Default,"no");
3933 ConfValue("bind","default",count,Default,&config_f);
3934 if (strchr(Default,'y'))
3936 defaultRoute = serverportcount;
3937 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
3939 me[serverportcount] = new serverrec(ServerName,100L,false);
3940 if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
3942 log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
3943 printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
3952 ports[clientportcount] = atoi(configToken);
3953 strlcpy(addrs[clientportcount],Addr,256);
3956 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
3958 portCount = clientportcount;
3959 SERVERportCount = serverportcount;
3961 log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)SERVERportCount);
3962 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
3966 /* BugFix By Craig! :p */
3968 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
3970 ConfValue("module","name",count,configToken,&config_f);
3971 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
3972 if (!LoadModule(configToken))
3974 log(DEFAULT,"Exiting due to a module loader error.");
3975 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
3979 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
3981 startup_time = time(NULL);
3984 ConfValue("pid","file",0,PID,&config_f);
3985 // write once here, to try it out and make sure its ok
3988 /* setup select call */
3989 FD_ZERO(&selectFds);
3990 log(DEBUG,"InspIRCd: startup: zero selects");
3991 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
3993 for (count = 0; count < portCount; count++)
3995 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
3997 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
4000 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
4002 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
4004 else /* well we at least bound to one socket so we'll continue */
4010 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
4012 /* if we didn't bind to anything then abort */
4013 if (boundPortCount == 0)
4015 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
4016 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
4021 printf("\nInspIRCd is now running!\n");
4025 log(VERBOSE,"Not forking as -nofork was specified");
4029 if (DaemonSeed() == ERROR)
4031 log(DEFAULT,"InspIRCd: startup: can't daemonise");
4032 printf("ERROR: could not go into daemon mode. Shutting down.\n");
4039 length = sizeof (client);
4040 char tcp_msg[MAXBUF],tcp_host[MAXBUF];
4044 tvs.tv_usec = 10000L;
4047 tv.tv_usec = 10000L;
4051 tval.tv_usec = 10000L;
4053 int total_in_this_set = 0;
4055 bool expire_run = false;
4057 /* main loop, this never returns */
4060 #ifdef _POSIX_PRIORITY_SCHEDULING
4067 // we only read time() once per iteration rather than tons of times!
4070 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
4071 // them in a list, then reap the list every second or so.
4072 if (((TIME % 5) == 0) && (!expire_run))
4075 FOREACH_MOD OnBackgroundTimer(TIME);
4079 if ((TIME % 5) == 1)
4082 // fix by brain - this must be below any manipulation of the hashmap by modules
4083 user_hash::iterator count2 = clientlist.begin();
4085 FD_ZERO(&serverfds);
4087 for (int x = 0; x != SERVERportCount; x++)
4090 FD_SET(me[x]->fd, &serverfds);
4093 // serverFds timevals went here
4095 tvs.tv_usec = 30000L;
4097 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
4100 for (int x = 0; x != SERVERportCount; x++)
4102 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
4104 char remotehost[MAXBUF],resolved[MAXBUF];
4105 length = sizeof (client);
4106 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
4107 if (incomingSockfd != -1)
4109 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
4110 if(CleanAndResolve(resolved, remotehost) != TRUE)
4112 strlcpy(resolved,remotehost,MAXBUF);
4114 // add to this connections ircd_connector vector
4115 // *FIX* - we need the LOCAL port not the remote port in &client!
4116 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
4122 for (int x = 0; x < SERVERportCount; x++)
4124 std::deque<std::string> msgs;
4126 if ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host)))
4128 for (int ctr = 0; ctr < msgs.size(); ctr++)
4130 strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
4131 log(DEBUG,"Processing: %s",tcp_msg);
4134 log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
4137 // during a netburst, send all data to all other linked servers
4138 if ((((nb_start>0) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
4140 if (is_uline(tcp_host))
4142 if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
4144 NetSendToAllExcept(tcp_host,tcp_msg);
4148 NetSendToAllExcept(tcp_host,tcp_msg);
4150 std::string msg = tcp_msg;
4151 FOREACH_MOD OnPacketReceive(msg,tcp_host);
4152 strlcpy(tcp_msg,msg.c_str(),MAXBUF);
4153 handle_link_packet(tcp_msg, tcp_host, me[x]);
4160 while (count2 != clientlist.end())
4163 total_in_this_set = 0;
4165 user_hash::iterator xcount = count2;
4166 user_hash::iterator endingiter = count2;
4168 if (count2 == clientlist.end()) break;
4170 userrec* curr = NULL;
4173 curr = count2->second;
4175 if ((curr) && (curr->fd != 0))
4177 #ifdef _POSIX_PRIORITY_SCHEDULING
4180 // assemble up to 64 sockets into an fd_set
4181 // to implement a pooling mechanism.
4183 // This should be up to 64x faster than the
4184 // old implementation.
4185 while (total_in_this_set < 64)
4187 if (count2 != clientlist.end())
4189 curr = count2->second;
4190 // we don't check the state of remote users.
4191 if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
4193 FD_SET (curr->fd, &sfd);
4195 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
4196 // their connection class.
4197 if ((TIME > curr->timeout) && (curr->registered != 7))
4199 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
4200 kill_link(curr,"Registration timeout");
4203 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
4205 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
4206 curr->dns_done = true;
4208 FullConnectUser(curr);
4211 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
4213 log(DEBUG,"dns done, registered=3, and modules ready, OK");
4214 FullConnectUser(curr);
4217 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
4219 if ((!curr->lastping) && (curr->registered == 7))
4221 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
4222 kill_link(curr,"Ping timeout");
4225 Write(curr->fd,"PING :%s",ServerName);
4226 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
4228 curr->nping = TIME+curr->pingmax; // was hard coded to 120
4232 total_in_this_set++;
4237 endingiter = count2;
4238 count2 = xcount; // roll back to where we were
4242 // tvals defined here
4244 tval.tv_usec = 1000L;
4245 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
4247 // now loop through all of the items in this pool if any are waiting
4248 if (selectResult2 > 0)
4249 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
4252 #ifdef _POSIX_PRIORITY_SCHEDULING
4255 userrec* cu = count2a->second;
4257 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
4259 log(DEBUG,"Data waiting on socket %d",cu->fd);
4262 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
4265 result = read(cu->fd, data, 65535);
4267 else result = result2;
4268 log(DEBUG,"Read result: %d",result);
4271 statsRecv += result;
4272 // perform a check on the raw buffer as an array (not a string!) to remove
4273 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
4274 // hopefully this should stop even more people whining about "Unknown command: *"
4275 for (int checker = 0; checker < result; checker++)
4277 if ((data[checker] == 0) || (data[checker] == 7))
4278 data[checker] = ' ';
4281 data[result] = '\0';
4282 userrec* current = cu;
4283 int currfd = current->fd;
4285 // add the data to the users buffer
4286 if (!current->AddBuffer(data))
4288 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
4289 if (current->registered == 7)
4291 kill_link(current,"RecvQ exceeded");
4295 WriteOpers("*** Excess flood from %s",current->ip);
4296 log(DEFAULT,"Excess flood from: %s",current->ip);
4297 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4302 if (current->recvq.length() > NetBufferSize)
4304 if (current->registered == 7)
4306 kill_link(current,"RecvQ exceeded");
4310 WriteOpers("*** Excess flood from %s",current->ip);
4311 log(DEFAULT,"Excess flood from: %s",current->ip);
4312 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4317 // while there are complete lines to process...
4318 while (current->BufferIsReady())
4321 if (TIME > current->reset_due)
4323 current->reset_due = TIME + current->threshold;
4324 current->lines_in = 0;
4326 current->lines_in++;
4327 if (current->lines_in > current->flood)
4329 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4330 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4331 kill_link(current,"Excess flood");
4334 if ((floodlines > current->flood) && (current->flood != 0))
4336 if (current->registered == 7)
4338 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4339 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4340 kill_link(current,"Excess flood");
4344 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4349 char sanitized[MAXBUF];
4350 // use GetBuffer to copy single lines into the sanitized string
4351 std::string single_line = current->GetBuffer();
4352 current->bytes_in += single_line.length();
4354 if (single_line.length()>512)
4356 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4357 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4358 kill_link(current,"Excess flood");
4361 strlcpy(sanitized,single_line.c_str(),MAXBUF);
4364 userrec* old_comp = fd_ref_table[currfd];
4365 // we're gonna re-scan to check if the nick is gone, after every
4366 // command - if it has, we're gonna bail
4367 process_buffer(sanitized,current);
4368 // look for the user's record in case it's changed... if theyve quit,
4369 // we cant do anything more with their buffer, so bail.
4370 // there used to be an ugly, slow loop here. Now we have a reference
4371 // table, life is much easier (and FASTER)
4372 userrec* new_comp = fd_ref_table[currfd];
4373 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
4381 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
4383 log(DEBUG,"killing: %s",cu->nick);
4384 kill_link(cu,strerror(errno));
4388 // result EAGAIN means nothing read
4389 if (result == EAGAIN)
4397 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
4398 kill_link(cu,"Client exited");
4399 // must bail here? kill_link removes the hash, corrupting the iterator
4400 log(DEBUG,"Bailing from client exit");
4404 else if (result > 0)
4409 for (int q = 0; q < total_in_this_set; q++)
4415 #ifdef _POSIX_PRIORITY_SCHEDULING
4419 // set up select call
4420 for (count = 0; count < boundPortCount; count++)
4422 FD_SET (openSockfd[count], &selectFds);
4425 tv.tv_usec = 30000L;
4426 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
4428 /* select is reporting a waiting socket. Poll them all to find out which */
4429 if (selectResult > 0)
4431 char target[MAXBUF], resolved[MAXBUF];
4432 for (count = 0; count < boundPortCount; count++)
4434 if (FD_ISSET (openSockfd[count], &selectFds))
4436 length = sizeof (client);
4437 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
4439 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
4440 strlcpy (resolved, target, MAXBUF);
4442 if (incomingSockfd < 0)
4444 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
4445 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
4450 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
4452 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
4453 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
4461 #ifdef _POSIX_PRIORITY_SCHEDULING
4467 close (incomingSockfd);