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];
225 void AddOper(userrec* user)
227 log(DEBUG,"Oper added to optimization list");
228 all_opers.push_back(user);
231 void DeleteOper(userrec* user)
233 for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
237 log(DEBUG,"Oper removed from optimization list");
246 char Revision[] = "$Revision$";
249 char *v2 = strtok_r(s1," ",&savept);
251 v2 = strtok_r(s1," ",&savept);
253 return (long)(atof(v2)*10000);
257 std::string getservername()
262 std::string getserverdesc()
267 std::string getnetworkname()
272 std::string getadminname()
277 std::string getadminemail()
282 std::string getadminnick()
287 void log(int level,char *text, ...)
289 char textbuffer[MAXBUF];
292 struct tm * timeinfo;
293 if (level < LogLevel)
297 timeinfo = localtime (&rawtime);
302 va_start (argsPtr, text);
303 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
305 strlcpy(b,asctime(timeinfo),MAXBUF);
306 b[24] = ':'; // we know this is the end of the time string
307 fprintf(log_file,"%s %s\n",b,textbuffer);
310 // nofork enabled? display it on terminal too
311 printf("%s %s\n",b,textbuffer);
316 void readfile(file_cache &F, const char* fname)
319 char linebuf[MAXBUF];
321 log(DEBUG,"readfile: loading %s",fname);
323 file = fopen(fname,"r");
328 fgets(linebuf,sizeof(linebuf),file);
329 linebuf[strlen(linebuf)-1]='\0';
336 F.push_back(linebuf);
343 log(DEBUG,"readfile: failed to load file: %s",fname);
345 log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size());
348 void ReadConfig(bool bail, userrec* user)
350 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
351 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF];
353 std::stringstream errstr;
355 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
360 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
368 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
369 while (!errstr.eof())
371 errstr.getline(dataline,1024);
372 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
377 WriteOpers("There were errors in the configuration file:",user->nick);
378 while (!errstr.eof())
380 errstr.getline(dataline,1024);
381 WriteOpers(dataline);
388 ConfValue("server","name",0,ServerName,&config_f);
389 ConfValue("server","description",0,ServerDesc,&config_f);
390 ConfValue("server","network",0,Network,&config_f);
391 ConfValue("admin","name",0,AdminName,&config_f);
392 ConfValue("admin","email",0,AdminEmail,&config_f);
393 ConfValue("admin","nick",0,AdminNick,&config_f);
394 ConfValue("files","motd",0,motd,&config_f);
395 ConfValue("files","rules",0,rules,&config_f);
396 ConfValue("power","diepass",0,diepass,&config_f);
397 ConfValue("power","pause",0,pauseval,&config_f);
398 ConfValue("power","restartpass",0,restartpass,&config_f);
399 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
400 ConfValue("die","value",0,DieValue,&config_f);
401 ConfValue("options","loglevel",0,dbg,&config_f);
402 ConfValue("options","netbuffersize",0,NB,&config_f);
403 ConfValue("options","maxwho",0,MW,&config_f);
404 ConfValue("options","allowhalfop",0,AH,&config_f);
405 ConfValue("options","allowprotect",0,AP,&config_f);
406 ConfValue("options","allowfounder",0,AF,&config_f);
407 ConfValue("dns","server",0,DNSServer,&config_f);
408 ConfValue("dns","timeout",0,DNT,&config_f);
409 ConfValue("options","moduledir",0,ModPath,&config_f);
410 ConfValue("disabled","commands",0,DisabledCommands,&config_f);
412 NetBufferSize = atoi(NB);
413 MaxWhoResults = atoi(MW);
414 dns_timeout = atoi(DNT);
418 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
420 strlcpy(ModPath,MOD_PATH,MAXBUF);
421 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
422 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
423 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
424 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
426 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
427 NetBufferSize = 10240;
429 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
431 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
434 if (!strcmp(dbg,"debug"))
436 if (!strcmp(dbg,"verbose"))
438 if (!strcmp(dbg,"default"))
440 if (!strcmp(dbg,"sparse"))
442 if (!strcmp(dbg,"none"))
445 log(DEFAULT,"Reading message of the day...");
446 readfile(RULES,rules);
447 log(DEFAULT,"Reading connect classes...");
449 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
452 ConfValue("connect","allow",i,Value,&config_f);
453 ConfValue("connect","timeout",i,timeout,&config_f);
454 ConfValue("connect","flood",i,flood,&config_f);
455 ConfValue("connect","pingfreq",i,pfreq,&config_f);
456 ConfValue("connect","threshold",i,thold,&config_f);
459 strlcpy(c.host,Value,MAXBUF);
461 strlcpy(Value,"",MAXBUF);
462 ConfValue("connect","password",i,Value,&config_f);
463 strlcpy(c.pass,Value,MAXBUF);
464 c.registration_timeout = 90; // default is 2 minutes
466 c.flood = atoi(flood);
470 c.threshold = atoi(thold);
474 c.registration_timeout = atoi(timeout);
478 c.pingtime = atoi(pfreq);
480 Classes.push_back(c);
481 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);
485 ConfValue("connect","deny",i,Value,&config_f);
486 strlcpy(c.host,Value,MAXBUF);
488 Classes.push_back(c);
489 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
493 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
494 read_xline_defaults();
495 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
497 log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
500 log(DEFAULT,"Adding and removing modules due to rehash...");
502 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
504 // store the old module names
505 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
507 old_module_names.push_back(*t);
510 // get the new module names
511 for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
513 ConfValue("module","name",count2,Value,&config_f);
514 new_module_names.push_back(Value);
517 // now create a list of new modules that are due to be loaded
518 // and a seperate list of modules which are due to be unloaded
519 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
522 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
528 added_modules.push_back(*_new);
530 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
533 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
539 removed_modules.push_back(*oldm);
541 // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
543 int rem = 0, add = 0;
544 if (!removed_modules.empty())
545 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
547 if (UnloadModule(removing->c_str()))
549 WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
550 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
555 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
558 if (!added_modules.empty())
559 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
561 if (LoadModule(adding->c_str()))
563 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
564 WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
569 WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
572 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());
576 /* write formatted text to a socket, in same format as printf */
578 void Write(int sock,char *text, ...)
580 if (sock == FD_MAGIC_NUMBER)
584 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
587 char textbuffer[MAXBUF];
591 va_start (argsPtr, text);
592 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
594 int bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
596 if ((sock != -1) && (sock != FD_MAGIC_NUMBER))
599 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
601 write(sock,tb,bytes > 512 ? 512 : bytes);
602 if (fd_ref_table[sock])
604 fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
605 fd_ref_table[sock]->cmds_out++;
607 statsSent += (bytes > 512 ? 512 : bytes);
611 /* write a server formatted numeric response to a single socket */
613 void WriteServ(int sock, char* text, ...)
615 if (sock == FD_MAGIC_NUMBER)
619 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
622 char textbuffer[MAXBUF],tb[MAXBUF];
624 va_start (argsPtr, text);
626 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
628 int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",ServerName,textbuffer);
630 if ((sock != -1) && (sock != FD_MAGIC_NUMBER))
633 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
635 write(sock,tb,bytes > 512 ? 512 : bytes);
636 if (fd_ref_table[sock])
638 fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
639 fd_ref_table[sock]->cmds_out++;
641 statsSent += (bytes > 512 ? 512 : bytes);
645 /* write text from an originating user to originating user */
647 void WriteFrom(int sock, userrec *user,char* text, ...)
649 if (sock == FD_MAGIC_NUMBER)
651 if ((!text) || (!user))
653 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
656 char textbuffer[MAXBUF],tb[MAXBUF];
658 va_start (argsPtr, text);
660 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
662 int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
664 if ((sock != -1) && (sock != FD_MAGIC_NUMBER))
667 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
669 write(sock,tb,bytes > 512 ? 512 : bytes);
670 if (fd_ref_table[sock])
672 fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
673 fd_ref_table[sock]->cmds_out++;
675 statsSent += (bytes > 512 ? 512 : bytes);
679 /* write text to an destination user from a source user (e.g. user privmsg) */
681 void WriteTo(userrec *source, userrec *dest,char *data, ...)
683 if ((!dest) || (!data))
685 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
688 if (dest->fd == FD_MAGIC_NUMBER)
690 char textbuffer[MAXBUF],tb[MAXBUF];
692 va_start (argsPtr, data);
693 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
697 // if no source given send it from the server.
700 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
704 WriteFrom(dest->fd,source,"%s",textbuffer);
708 /* write formatted text from a source user to all users on a channel
709 * including the sender (NOT for privmsg, notice etc!) */
711 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
713 if ((!Ptr) || (!user) || (!text))
715 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
718 char textbuffer[MAXBUF];
720 va_start (argsPtr, text);
721 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
724 std::vector<char*> *ulist = Ptr->GetUsers();
725 for (int j = 0; j < ulist->size(); j++)
727 char* o = (*ulist)[j];
728 userrec* otheruser = (userrec*)o;
729 if (otheruser->fd != FD_MAGIC_NUMBER)
730 WriteTo(user,otheruser,"%s",textbuffer);
734 /* write formatted text from a source user to all users on a channel
735 * including the sender (NOT for privmsg, notice etc!) doesnt send to
736 * users on remote servers */
738 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
740 if ((!Ptr) || (!text))
742 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
745 char textbuffer[MAXBUF];
747 va_start (argsPtr, text);
748 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
751 std::vector<char*> *ulist = Ptr->GetUsers();
752 for (int j = 0; j < ulist->size(); j++)
754 char* o = (*ulist)[j];
755 userrec* otheruser = (userrec*)o;
756 if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser->fd != -1) && (otheruser != user))
760 WriteServ(otheruser->fd,"%s",textbuffer);
764 WriteTo(user,otheruser,"%s",textbuffer);
771 void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
773 if ((!Ptr) || (!text))
775 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
778 char textbuffer[MAXBUF];
780 va_start (argsPtr, text);
781 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
785 std::vector<char*> *ulist = Ptr->GetUsers();
786 for (int j = 0; j < ulist->size(); j++)
788 char* o = (*ulist)[j];
789 userrec* otheruser = (userrec*)o;
790 if (otheruser->fd != FD_MAGIC_NUMBER)
791 WriteServ(otheruser->fd,"%s",textbuffer);
796 /* write formatted text from a source user to all users on a channel except
797 * for the sender (for privmsg etc) */
799 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
801 if ((!Ptr) || (!user) || (!text))
803 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
806 char textbuffer[MAXBUF];
808 va_start (argsPtr, text);
809 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
812 std::vector<char*> *ulist = Ptr->GetUsers();
813 for (int j = 0; j < ulist->size(); j++)
815 char* o = (*ulist)[j];
816 userrec* otheruser = (userrec*)o;
817 if ((otheruser->fd != FD_MAGIC_NUMBER) && (user != otheruser))
818 WriteFrom(otheruser->fd,user,"%s",textbuffer);
823 std::string GetServerDescription(char* servername)
825 for (int j = 0; j < 32; j++)
829 for (int k = 0; k < me[j]->connectors.size(); k++)
831 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
833 return me[j]->connectors[k].GetDescription();
837 return ServerDesc; // not a remote server that can be found, it must be me.
842 /* write a formatted string to all users who share at least one common
843 * channel, including the source user e.g. for use in NICK */
845 void WriteCommon(userrec *u, char* text, ...)
849 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
853 if (u->registered != 7) {
854 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
858 char textbuffer[MAXBUF];
860 va_start (argsPtr, text);
861 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
864 // FIX: Stops a message going to the same person more than once
865 bzero(&already_sent,65536);
867 bool sent_to_at_least_one = false;
869 for (int i = 0; i < MAXCHANS; i++)
871 if (u->chans[i].channel)
873 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
874 for (int j = 0; j < ulist->size(); j++)
876 char* o = (*ulist)[j];
877 userrec* otheruser = (userrec*)o;
878 if ((otheruser->fd > 0) && (!already_sent[otheruser->fd]))
880 already_sent[otheruser->fd] = 1;
881 WriteFrom(otheruser->fd,u,"%s",textbuffer);
882 sent_to_at_least_one = true;
887 // if the user was not in any channels, no users will receive the text. Make sure the user
888 // receives their OWN message for WriteCommon
889 if (!sent_to_at_least_one)
891 WriteFrom(u->fd,u,"%s",textbuffer);
895 /* write a formatted string to all users who share at least one common
896 * channel, NOT including the source user e.g. for use in QUIT */
898 void WriteCommonExcept(userrec *u, char* text, ...)
902 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
906 if (u->registered != 7) {
907 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
911 char textbuffer[MAXBUF];
913 va_start (argsPtr, text);
914 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
917 bzero(&already_sent,65536);
919 for (int i = 0; i < MAXCHANS; i++)
921 if (u->chans[i].channel)
923 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
924 for (int j = 0; j < ulist->size(); j++)
926 char* o = (*ulist)[j];
927 userrec* otheruser = (userrec*)o;
930 if ((otheruser->fd > 0) && (!already_sent[otheruser->fd]))
932 already_sent[otheruser->fd] = 1;
933 WriteFrom(otheruser->fd,u,"%s",textbuffer);
941 void WriteOpers(char* text, ...)
945 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
949 char textbuffer[MAXBUF];
951 va_start (argsPtr, text);
952 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
955 for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
958 if ((a) && (a->fd != FD_MAGIC_NUMBER))
960 if (strchr(a->modes,'s'))
962 // send server notices to all with +s
963 WriteServ(a->fd,"NOTICE %s :%s",a->nick,textbuffer);
969 void NoticeAllOpers(userrec *source, bool local_only, char* text, ...)
971 if ((!text) || (!source))
973 log(DEFAULT,"*** BUG *** NoticeAllOpers was given an invalid parameter");
977 char textbuffer[MAXBUF];
979 va_start (argsPtr, text);
980 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
983 for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
986 if ((a) && (a->fd != FD_MAGIC_NUMBER))
988 if (strchr(a->modes,'s'))
990 // send server notices to all with +s
991 WriteServ(a->fd,"NOTICE %s :*** Notice From %s: %s",a->nick,source->nick,textbuffer);
999 snprintf(buffer,MAXBUF,"V %s @* :%s",source->nick,textbuffer);
1000 NetSendToAll(buffer);
1004 // returns TRUE of any users on channel C occupy server 'servername'.
1006 bool ChanAnyOnThisServer(chanrec *c,char* servername)
1008 log(DEBUG,"ChanAnyOnThisServer");
1010 std::vector<char*> *ulist = c->GetUsers();
1011 for (int j = 0; j < ulist->size(); j++)
1013 char* o = (*ulist)[j];
1014 userrec* user = (userrec*)o;
1015 if (!strcasecmp(user->server,servername))
1021 // returns true if user 'u' shares any common channels with any users on server 'servername'
1023 bool CommonOnThisServer(userrec* u,const char* servername)
1025 log(DEBUG,"ChanAnyOnThisServer");
1027 for (int i = 0; i < MAXCHANS; i++)
1029 if (u->chans[i].channel)
1031 std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
1032 for (int j = 0; j < ulist->size(); j++)
1034 char* o = (*ulist)[j];
1035 userrec* user = (userrec*)o;
1036 if (!strcasecmp(user->server,servername))
1045 void NetSendToCommon(userrec* u, char* s)
1047 char buffer[MAXBUF];
1048 snprintf(buffer,MAXBUF,"%s",s);
1050 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
1052 std::string msg = buffer;
1053 FOREACH_MOD OnPacketTransmit(msg,s);
1054 strlcpy(buffer,msg.c_str(),MAXBUF);
1056 for (int j = 0; j < 32; j++)
1060 for (int k = 0; k < me[j]->connectors.size(); k++)
1062 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
1064 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1072 void NetSendToAll(char* s)
1074 char buffer[MAXBUF];
1075 snprintf(buffer,MAXBUF,"%s",s);
1077 log(DEBUG,"NetSendToAll: '%s'",s);
1079 std::string msg = buffer;
1080 FOREACH_MOD OnPacketTransmit(msg,s);
1081 strlcpy(buffer,msg.c_str(),MAXBUF);
1083 for (int j = 0; j < 32; j++)
1087 for (int k = 0; k < me[j]->connectors.size(); k++)
1089 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1095 void NetSendToAllAlive(char* s)
1097 char buffer[MAXBUF];
1098 snprintf(buffer,MAXBUF,"%s",s);
1100 log(DEBUG,"NetSendToAllAlive: '%s'",s);
1102 std::string msg = buffer;
1103 FOREACH_MOD OnPacketTransmit(msg,s);
1104 strlcpy(buffer,msg.c_str(),MAXBUF);
1106 for (int j = 0; j < 32; j++)
1110 for (int k = 0; k < me[j]->connectors.size(); k++)
1112 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
1114 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1118 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
1126 void NetSendToOne(char* target,char* s)
1128 char buffer[MAXBUF];
1129 snprintf(buffer,MAXBUF,"%s",s);
1131 log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
1133 std::string msg = buffer;
1134 FOREACH_MOD OnPacketTransmit(msg,s);
1135 strlcpy(buffer,msg.c_str(),MAXBUF);
1137 for (int j = 0; j < 32; j++)
1141 for (int k = 0; k < me[j]->connectors.size(); k++)
1143 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
1145 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1152 void NetSendToAllExcept(const char* target,char* s)
1154 char buffer[MAXBUF];
1155 snprintf(buffer,MAXBUF,"%s",s);
1157 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
1159 std::string msg = buffer;
1160 FOREACH_MOD OnPacketTransmit(msg,s);
1161 strlcpy(buffer,msg.c_str(),MAXBUF);
1163 for (int j = 0; j < 32; j++)
1167 for (int k = 0; k < me[j]->connectors.size(); k++)
1169 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
1171 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1179 void WriteMode(const char* modes, int flags, const char* text, ...)
1181 if ((!text) || (!modes) || (!flags))
1183 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
1187 char textbuffer[MAXBUF];
1189 va_start (argsPtr, text);
1190 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1192 int modelen = strlen(modes);
1194 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1196 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1198 bool send_to_user = false;
1200 if (flags == WM_AND)
1202 send_to_user = true;
1203 for (int n = 0; n < modelen; n++)
1205 if (!hasumode(i->second,modes[n]))
1207 send_to_user = false;
1212 else if (flags == WM_OR)
1214 send_to_user = false;
1215 for (int n = 0; n < modelen; n++)
1217 if (hasumode(i->second,modes[n]))
1219 send_to_user = true;
1227 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
1234 void NoticeAll(userrec *source, bool local_only, char* text, ...)
1236 if ((!text) || (!source))
1238 log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter");
1242 char textbuffer[MAXBUF];
1244 va_start (argsPtr, text);
1245 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1248 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1250 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1252 WriteFrom(i->second->fd,source,"NOTICE $* :%s",textbuffer);
1258 char buffer[MAXBUF];
1259 snprintf(buffer,MAXBUF,"V %s * :%s",source->nick,textbuffer);
1260 NetSendToAll(buffer);
1265 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
1267 if ((!text) || (!source))
1269 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
1273 char textbuffer[MAXBUF];
1275 va_start (argsPtr, text);
1276 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1279 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1281 if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
1283 if (strchr(i->second->modes,'w'))
1285 WriteTo(source,i->second,"WALLOPS :%s",textbuffer);
1292 char buffer[MAXBUF];
1293 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
1294 NetSendToAll(buffer);
1298 /* convert a string to lowercase. Note following special circumstances
1299 * taken from RFC 1459. Many "official" server branches still hold to this
1300 * rule so i will too;
1302 * Because of IRC's scandanavian origin, the characters {}| are
1303 * considered to be the lower case equivalents of the characters []\,
1304 * respectively. This is a critical issue when determining the
1305 * equivalence of two nicknames.
1308 void strlower(char *n)
1312 for (char* t = n; *t; t++)
1319 /* Find a user record by nickname and return a pointer to it */
1321 userrec* Find(std::string nick)
1323 user_hash::iterator iter = clientlist.find(nick);
1325 if (iter == clientlist.end())
1326 /* Couldn't find it */
1329 return iter->second;
1332 /* find a channel record by channel name and return a pointer to it */
1334 chanrec* FindChan(const char* chan)
1338 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1342 chan_hash::iterator iter = chanlist.find(chan);
1344 if (iter == chanlist.end())
1345 /* Couldn't find it */
1348 return iter->second;
1352 long GetMaxBans(char* name)
1355 for (int count = 0; count < ConfValueEnum("banlist",&config_f); count++)
1357 ConfValue("banlist","chan",count,CM,&config_f);
1360 ConfValue("banlist","limit",count,CM,&config_f);
1368 void purge_empty_chans(userrec* u)
1371 int go_again = 1, purge = 0;
1373 // firstly decrement the count on each channel
1374 for (int f = 0; f < MAXCHANS; f++)
1376 if (u->chans[f].channel)
1378 u->chans[f].channel->DecUserCounter();
1379 u->chans[f].channel->DelUser((char*)u);
1383 for (int i = 0; i < MAXCHANS; i++)
1385 if (u->chans[i].channel)
1387 if (!usercount(u->chans[i].channel))
1389 chan_hash::iterator i2 = chanlist.find(u->chans[i].channel->name);
1390 /* kill the record */
1391 if (i2 != chanlist.end())
1393 log(DEBUG,"del_channel: destroyed: %s",i2->second->name);
1399 u->chans[i].channel = NULL;
1404 log(DEBUG,"skipped purge for %s",u->chans[i].channel->name);
1408 log(DEBUG,"completed channel purge, killed %lu",(unsigned long)purge);
1414 char scratch[MAXBUF];
1415 char sparam[MAXBUF];
1417 char* chanmodes(chanrec *chan)
1421 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1428 if (chan->noexternal)
1430 strlcat(scratch,"n",MAXMODES);
1432 if (chan->topiclock)
1434 strlcat(scratch,"t",MAXMODES);
1438 strlcat(scratch,"k",MAXMODES);
1442 strlcat(scratch,"l",MAXMODES);
1444 if (chan->inviteonly)
1446 strlcat(scratch,"i",MAXMODES);
1448 if (chan->moderated)
1450 strlcat(scratch,"m",MAXMODES);
1454 strlcat(scratch,"s",MAXMODES);
1456 if (chan->c_private)
1458 strlcat(scratch,"p",MAXMODES);
1462 strlcat(sparam," ",MAXBUF);
1463 strlcat(sparam,chan->key,MAXBUF);
1468 sprintf(foo," %lu",(unsigned long)chan->limit);
1469 strlcat(sparam,foo,MAXBUF);
1471 if (*chan->custom_modes)
1473 strlcat(scratch,chan->custom_modes,MAXMODES);
1474 for (int z = 0; chan->custom_modes[z] != 0; z++)
1476 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1479 strlcat(sparam," ",MAXBUF);
1480 strlcat(sparam,extparam.c_str(),MAXBUF);
1484 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1485 strlcat(scratch,sparam,MAXMODES);
1490 /* compile a userlist of a channel into a string, each nick seperated by
1491 * spaces and op, voice etc status shown as @ and + */
1493 void userlist(userrec *user,chanrec *c)
1495 if ((!c) || (!user))
1497 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1501 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1503 std::vector<char*> *ulist = c->GetUsers();
1504 for (int i = 0; i < ulist->size(); i++)
1506 char* o = (*ulist)[i];
1507 userrec* otheruser = (userrec*)o;
1508 if ((!has_channel(user,c)) && (strchr(otheruser->modes,'i')))
1510 /* user is +i, and source not on the channel, does not show
1511 * nick in NAMES list */
1514 strlcat(list,cmode(otheruser,c),MAXBUF);
1515 strlcat(list,otheruser->nick,MAXBUF);
1516 strlcat(list," ",MAXBUF);
1517 if (strlen(list)>(480-NICKMAX))
1519 /* list overflowed into
1520 * multiple numerics */
1521 WriteServ(user->fd,"%s",list);
1522 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1525 /* if whats left in the list isnt empty, send it */
1526 if (list[strlen(list)-1] != ':')
1528 WriteServ(user->fd,"%s",list);
1532 /* return a count of the users on a specific channel accounting for
1533 * invisible users who won't increase the count. e.g. for /LIST */
1535 int usercount_i(chanrec *c)
1541 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1546 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1550 if (has_channel(i->second,c))
1552 if (isnick(i->second->nick))
1554 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1556 /* user is +i, and source not on the channel, does not show
1557 * nick in NAMES list */
1565 log(DEBUG,"usercount_i: %s %lu",c->name,(unsigned long)count);
1570 int usercount(chanrec *c)
1574 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1577 int count = c->GetUserCounter();
1578 log(DEBUG,"usercount: %s %lu",c->name,(unsigned long)count);
1583 /* add a channel to a user, creating the record for it if needed and linking
1584 * it to the user record */
1586 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1588 if ((!user) || (!cn))
1590 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1598 strncpy(cname,cn,MAXBUF);
1600 // we MUST declare this wherever we use FOREACH_RESULT
1603 if (strlen(cname) > CHANMAX-1)
1605 cname[CHANMAX-1] = '\0';
1608 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1610 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1612 return NULL; // already on the channel!
1616 if (!FindChan(cname))
1619 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1620 if (MOD_RESULT == 1) {
1624 /* create a new one */
1625 log(DEBUG,"add_channel: creating: %s",cname);
1627 chanlist[cname] = new chanrec();
1629 strlcpy(chanlist[cname]->name, cname,CHANMAX);
1630 chanlist[cname]->topiclock = 1;
1631 chanlist[cname]->noexternal = 1;
1632 chanlist[cname]->created = TIME;
1633 strcpy(chanlist[cname]->topic, "");
1634 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1635 chanlist[cname]->topicset = 0;
1636 Ptr = chanlist[cname];
1637 log(DEBUG,"add_channel: created: %s",cname);
1638 /* set created to 2 to indicate user
1639 * is the first in the channel
1640 * and should be given ops */
1646 /* channel exists, just fish out a pointer to its struct */
1647 Ptr = FindChan(cname);
1650 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1652 // the override flag allows us to bypass channel modes
1653 // and bans (used by servers)
1654 if ((!override) || (!strcasecmp(user->server,ServerName)))
1656 log(DEBUG,"Not overriding...");
1658 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1659 if (MOD_RESULT == 1) {
1662 log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
1666 log(DEBUG,"add_channel: checking key, invite, etc");
1668 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
1669 if (MOD_RESULT == 0)
1673 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1676 log(DEBUG,"add_channel: no key given in JOIN");
1677 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1682 if (strcasecmp(key,Ptr->key))
1684 log(DEBUG,"add_channel: bad key given in JOIN");
1685 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1690 log(DEBUG,"add_channel: no key");
1693 FOREACH_RESULT(OnCheckInvite(user, Ptr));
1694 if (MOD_RESULT == 0)
1696 if (Ptr->inviteonly)
1698 log(DEBUG,"add_channel: channel is +i");
1699 if (user->IsInvited(Ptr->name))
1701 /* user was invited to channel */
1702 /* there may be an optional channel NOTICE here */
1706 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1710 log(DEBUG,"add_channel: channel is not +i");
1713 FOREACH_RESULT(OnCheckLimit(user, Ptr));
1714 if (MOD_RESULT == 0)
1718 if (usercount(Ptr) >= Ptr->limit)
1720 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1725 log(DEBUG,"add_channel: about to walk banlist");
1727 FOREACH_RESULT(OnCheckBan(user, Ptr));
1728 if (MOD_RESULT == 0)
1730 /* check user against the channel banlist */
1733 if (Ptr->bans.size())
1735 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1737 if (match(user->GetFullHost(),i->data))
1739 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1745 log(DEBUG,"add_channel: bans checked");
1751 if ((Ptr) && (user))
1753 user->RemoveInvite(Ptr->name);
1756 log(DEBUG,"add_channel: invites removed");
1761 log(DEBUG,"Overridden checks");
1769 log(DEBUG,"Passed channel checks");
1771 for (int index =0; index != MAXCHANS; index++)
1773 log(DEBUG,"Check location %d",index);
1774 if (user->chans[index].channel == NULL)
1776 log(DEBUG,"Adding into their channel list at location %d",index);
1780 /* first user in is given ops */
1781 user->chans[index].uc_modes = UCMODE_OP;
1785 user->chans[index].uc_modes = 0;
1787 user->chans[index].channel = Ptr;
1788 Ptr->IncUserCounter();
1789 Ptr->AddUser((char*)user);
1790 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1792 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1794 // use the stamdard J token with no privilages.
1795 char buffer[MAXBUF];
1798 snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
1802 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
1804 NetSendToAll(buffer);
1807 log(DEBUG,"Sent JOIN to client");
1811 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1812 WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
1815 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1816 //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1817 //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
1818 FOREACH_MOD OnUserJoin(user,Ptr);
1822 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1823 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1827 /* remove a channel from a users record, and remove the record from memory
1828 * if the channel has become empty */
1830 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1832 if ((!user) || (!cname))
1834 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1840 if ((!cname) || (!user))
1845 Ptr = FindChan(cname);
1852 FOREACH_MOD OnUserPart(user,Ptr);
1853 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1855 for (int i =0; i != MAXCHANS; i++)
1857 /* zap it from the channel list of the user */
1858 if (user->chans[i].channel == Ptr)
1862 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1866 char buffer[MAXBUF];
1867 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1868 NetSendToAll(buffer);
1877 char buffer[MAXBUF];
1878 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1879 NetSendToAll(buffer);
1882 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1884 user->chans[i].uc_modes = 0;
1885 user->chans[i].channel = NULL;
1886 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1891 Ptr->DecUserCounter();
1892 Ptr->DelUser((char*)user);
1894 /* if there are no users left on the channel */
1895 if (!usercount(Ptr))
1897 chan_hash::iterator iter = chanlist.find(Ptr->name);
1899 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1901 /* kill the record */
1902 if (iter != chanlist.end())
1904 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1906 chanlist.erase(iter);
1912 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1914 if ((!src) || (!user) || (!Ptr) || (!reason))
1916 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1920 if ((!Ptr) || (!user) || (!src))
1925 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1927 if (!has_channel(user,Ptr))
1929 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1934 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
1935 if (MOD_RESULT == ACR_DENY)
1938 if (MOD_RESULT == ACR_DEFAULT)
1940 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
1942 if (cstatus(src,Ptr) == STATUS_HOP)
1944 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1948 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1956 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
1960 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
1962 for (int i =0; i != MAXCHANS; i++)
1964 /* zap it from the channel list of the user */
1965 if (user->chans[i].channel)
1966 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1968 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1969 user->chans[i].uc_modes = 0;
1970 user->chans[i].channel = NULL;
1971 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1976 Ptr->DecUserCounter();
1977 Ptr->DelUser((char*)user);
1979 /* if there are no users left on the channel */
1980 if (!usercount(Ptr))
1982 chan_hash::iterator iter = chanlist.find(Ptr->name);
1984 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1986 /* kill the record */
1987 if (iter != chanlist.end())
1989 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1991 chanlist.erase(iter);
1999 /* This function pokes and hacks at a parameter list like the following:
2001 * PART #winbot,#darkgalaxy :m00!
2003 * to turn it into a series of individual calls like this:
2005 * PART #winbot :m00!
2006 * PART #darkgalaxy :m00!
2008 * The seperate calls are sent to a callback function provided by the caller
2009 * (the caller will usually call itself recursively). The callback function
2010 * must be a command handler. Calling this function on a line with no list causes
2011 * no action to be taken. You must provide a starting and ending parameter number
2012 * where the range of the list can be found, useful if you have a terminating
2013 * parameter as above which is actually not part of the list, or parameters
2014 * before the actual list as well. This code is used by many functions which
2015 * can function as "one to list" (see the RFC) */
2017 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
2022 char blog[32][MAXBUF];
2023 char blog2[32][MAXBUF];
2024 int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
2025 char keystr[MAXBUF];
2028 for (int i = 0; i <32; i++)
2031 for (int i = 0; i <32; i++)
2032 strcpy(blog2[i],"");
2035 for (int i = 0; i <10; i++)
2039 parameters[i] = moo;
2044 if (pcnt > 1) /* we have a key to copy */
2046 strlcpy(keystr,parameters[1],MAXBUF);
2050 if (!parameters[start])
2054 if (!strchr(parameters[start],','))
2059 for (int i = start; i <= end; i++)
2063 strlcat(plist,parameters[i],MAXBUF);
2071 for (int i = 0; i < t; i++)
2073 if (plist[i] == ',')
2076 strlcpy(blog[j++],param,MAXBUF);
2080 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
2085 strlcpy(blog[j++],param,MAXBUF);
2088 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
2093 if ((joins) && (keystr))
2095 if (strchr(keystr,','))
2099 t2 = strlen(keystr);
2100 for (int i = 0; i < t2; i++)
2102 if (keystr[i] == ',')
2105 strlcpy(blog2[j++],param,MAXBUF);
2109 strlcpy(blog2[j++],param,MAXBUF);
2114 for (j = 0; j < total; j++)
2120 for (q = end; q < pcnt-1; q++)
2122 if (parameters[q+1])
2124 pars[q-end+1] = parameters[q+1];
2127 if ((joins) && (parameters[1]))
2138 /* repeatedly call the function with the hacked parameter list */
2139 if ((joins) && (pcnt > 1))
2143 // pars[1] already set up and containing key from blog2[j]
2148 pars[1] = parameters[1];
2154 fn(pars,pcnt-(end-start),u);
2163 void kill_link(userrec *user,const char* r)
2165 user_hash::iterator iter = clientlist.find(user->nick);
2167 char reason[MAXBUF];
2169 strncpy(reason,r,MAXBUF);
2171 if (strlen(reason)>MAXQUIT)
2173 reason[MAXQUIT-1] = '\0';
2176 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
2177 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
2178 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
2180 if (user->registered == 7) {
2181 FOREACH_MOD OnUserQuit(user);
2182 WriteCommonExcept(user,"QUIT :%s",reason);
2184 // Q token must go to ALL servers!!!
2185 char buffer[MAXBUF];
2186 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
2187 NetSendToAll(buffer);
2190 FOREACH_MOD OnUserDisconnect(user);
2194 FOREACH_MOD OnRawSocketClose(user->fd);
2195 shutdown(user->fd,2);
2199 if (user->registered == 7) {
2200 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
2204 if (user->registered == 7) {
2205 purge_empty_chans(user);
2208 if (iter != clientlist.end())
2210 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
2212 fd_ref_table[user->fd] = NULL;
2214 clientlist.erase(iter);
2218 void kill_link_silent(userrec *user,const char* r)
2220 user_hash::iterator iter = clientlist.find(user->nick);
2222 char reason[MAXBUF];
2224 strncpy(reason,r,MAXBUF);
2226 if (strlen(reason)>MAXQUIT)
2228 reason[MAXQUIT-1] = '\0';
2231 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
2232 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
2233 log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
2235 if (user->registered == 7) {
2236 FOREACH_MOD OnUserQuit(user);
2237 WriteCommonExcept(user,"QUIT :%s",reason);
2239 // Q token must go to ALL servers!!!
2240 char buffer[MAXBUF];
2241 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
2242 NetSendToAll(buffer);
2245 FOREACH_MOD OnUserDisconnect(user);
2249 FOREACH_MOD OnRawSocketClose(user->fd);
2250 shutdown(user->fd,2);
2254 if (user->registered == 7) {
2255 purge_empty_chans(user);
2258 if (iter != clientlist.end())
2260 log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
2262 fd_ref_table[user->fd] = NULL;
2264 clientlist.erase(iter);
2270 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
2272 char* Passwd(userrec *user)
2274 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2276 if (match(user->host,i->host) && (i->type == CC_ALLOW))
2284 bool IsDenied(userrec *user)
2286 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2288 if (match(user->host,i->host) && (i->type == CC_DENY))
2299 /* sends out an error notice to all connected clients (not to be used
2302 void send_error(char *s)
2304 log(DEBUG,"send_error: %s",s);
2305 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2307 if (isnick(i->second->nick))
2309 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
2313 // fix - unregistered connections receive ERROR, not NOTICE
2314 Write(i->second->fd,"ERROR :%s",s);
2319 void Error(int status)
2321 signal (SIGALRM, SIG_IGN);
2322 signal (SIGPIPE, SIG_IGN);
2323 signal (SIGTERM, SIG_IGN);
2324 signal (SIGABRT, SIG_IGN);
2325 signal (SIGSEGV, SIG_IGN);
2326 signal (SIGURG, SIG_IGN);
2327 signal (SIGKILL, SIG_IGN);
2328 log(DEFAULT,"*** fell down a pothole in the road to perfection ***");
2329 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
2334 int main(int argc, char** argv)
2338 log(DEBUG,"*** InspIRCd starting up!");
2339 if (!FileExists(CONFIG_FILE))
2341 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
2342 log(DEFAULT,"main: no config");
2343 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
2347 for (int i = 1; i < argc; i++)
2349 if (!strcmp(argv[i],"-nofork")) {
2352 if (!strcmp(argv[i],"-wait")) {
2355 if (!strcmp(argv[i],"-nolimit")) {
2360 strlcpy(MyExecutable,argv[0],MAXBUF);
2362 // initialize the lowercase mapping table
2363 for (int cn = 0; cn < 256; cn++)
2365 // lowercase the uppercase chars
2366 for (int cn = 65; cn < 91; cn++)
2367 lowermap[cn] = tolower(cn);
2368 // now replace the specific chars for scandanavian comparison
2369 lowermap['['] = '{';
2370 lowermap[']'] = '}';
2371 lowermap['\\'] = '|';
2373 if (InspIRCd(argv,argc) == ERROR)
2375 log(DEFAULT,"main: daemon function bailed");
2376 printf("ERROR: could not initialise. Shutting down.\n");
2383 template<typename T> inline string ConvToStr(const T &in)
2386 if (!(tmp << in)) return string();
2390 /* re-allocates a nick in the user_hash after they change nicknames,
2391 * returns a pointer to the new user as it may have moved */
2393 userrec* ReHashNick(char* Old, char* New)
2395 //user_hash::iterator newnick;
2396 user_hash::iterator oldnick = clientlist.find(Old);
2398 log(DEBUG,"ReHashNick: %s %s",Old,New);
2400 if (!strcasecmp(Old,New))
2402 log(DEBUG,"old nick is new nick, skipping");
2403 return oldnick->second;
2406 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
2408 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
2410 clientlist[New] = new userrec();
2411 clientlist[New] = oldnick->second;
2412 clientlist.erase(oldnick);
2414 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
2416 return clientlist[New];
2419 /* adds or updates an entry in the whowas list */
2420 void AddWhoWas(userrec* u)
2422 user_hash::iterator iter = whowas.find(u->nick);
2423 userrec *a = new userrec();
2424 strlcpy(a->nick,u->nick,NICKMAX);
2425 strlcpy(a->ident,u->ident,64);
2426 strlcpy(a->dhost,u->dhost,256);
2427 strlcpy(a->host,u->host,256);
2428 strlcpy(a->fullname,u->fullname,128);
2429 strlcpy(a->server,u->server,256);
2430 a->signon = u->signon;
2432 /* MAX_WHOWAS: max number of /WHOWAS items
2433 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
2434 * can be replaced by a newer one
2437 if (iter == whowas.end())
2439 if (whowas.size() == WHOWAS_MAX)
2441 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
2443 // 3600 seconds in an hour ;)
2444 if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
2446 if (i->second) delete i->second;
2448 log(DEBUG,"added WHOWAS entry, purged an old record");
2455 log(DEBUG,"added fresh WHOWAS entry");
2456 whowas[a->nick] = a;
2461 log(DEBUG,"updated WHOWAS entry");
2462 if (iter->second) delete iter->second;
2468 /* add a client connection to the sockets list */
2469 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
2473 user_hash::iterator iter;
2475 tempnick = ConvToStr(socket) + "-unknown";
2476 sprintf(tn2,"%lu-unknown",(unsigned long)socket);
2478 iter = clientlist.find(tempnick);
2481 // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
2482 // using one as a registered connection. As theyre per fd, we can also safely assume
2483 // that we wont have collisions. Therefore, if the nick exists in the list, its only
2484 // used by a dead socket, erase the iterator so that the new client may reclaim it.
2485 // this was probably the cause of 'server ignores me when i hammer it with reconnects'
2486 // issue in earlier alphas/betas
2487 if (iter != clientlist.end())
2489 clientlist.erase(iter);
2493 * It is OK to access the value here this way since we know
2494 * it exists, we just created it above.
2496 * At NO other time should you access a value in a map or a
2497 * hash_map this way.
2499 clientlist[tempnick] = new userrec();
2501 NonBlocking(socket);
2502 log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
2504 clientlist[tempnick]->fd = socket;
2505 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
2506 strncpy(clientlist[tempnick]->host, host,160);
2507 strncpy(clientlist[tempnick]->dhost, host,160);
2508 strncpy(clientlist[tempnick]->server, ServerName,256);
2509 strncpy(clientlist[tempnick]->ident, "unknown",12);
2510 clientlist[tempnick]->registered = 0;
2511 clientlist[tempnick]->signon = TIME+dns_timeout;
2512 clientlist[tempnick]->lastping = 1;
2513 clientlist[tempnick]->port = port;
2514 strncpy(clientlist[tempnick]->ip,ip,32);
2516 // set the registration timeout for this user
2517 unsigned long class_regtimeout = 90;
2518 int class_flood = 0;
2519 long class_threshold = 5;
2521 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2523 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
2525 class_regtimeout = (unsigned long)i->registration_timeout;
2526 class_flood = i->flood;
2527 clientlist[tempnick]->pingmax = i->pingtime;
2528 class_threshold = i->threshold;
2533 clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
2534 clientlist[tempnick]->timeout = TIME+class_regtimeout;
2535 clientlist[tempnick]->flood = class_flood;
2536 clientlist[tempnick]->threshold = class_threshold;
2538 for (int i = 0; i < MAXCHANS; i++)
2540 clientlist[tempnick]->chans[i].channel = NULL;
2541 clientlist[tempnick]->chans[i].uc_modes = 0;
2544 if (clientlist.size() == MAXCLIENTS)
2546 kill_link(clientlist[tempnick],"No more connections allowed in this class");
2550 // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
2551 // its a pretty big but for the moment valid assumption:
2552 // file descriptors are handed out starting at 0, and are recycled as theyre freed.
2553 // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
2554 // irc server at once (or the irc server otherwise initiating this many connections, files etc)
2555 // which for the time being is a physical impossibility (even the largest networks dont have more
2556 // than about 10,000 users on ONE server!)
2559 kill_link(clientlist[tempnick],"Server is full");
2564 char* e = matches_exception(ip);
2567 char* r = matches_zline(ip);
2570 char reason[MAXBUF];
2571 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
2572 kill_link(clientlist[tempnick],reason);
2576 fd_ref_table[socket] = clientlist[tempnick];
2579 // this function counts all users connected, wether they are registered or NOT.
2582 return clientlist.size();
2585 // this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
2586 int registered_usercount(void)
2589 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2591 if ((i->second->fd) && (isnick(i->second->nick))) c++;
2596 int usercount_invisible(void)
2600 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2602 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
2607 int usercount_opers(void)
2611 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2613 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
2618 int usercount_unknown(void)
2622 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2624 if ((i->second->fd) && (i->second->registered != 7))
2630 long chancount(void)
2632 return chanlist.size();
2635 long count_servs(void)
2638 for (int i = 0; i < 32; i++)
2642 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2644 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2654 long servercount(void)
2656 return count_servs()+1;
2662 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2664 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
2670 void ShowMOTD(userrec *user)
2673 std::string WholeMOTD = "";
2676 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
2679 snprintf(buf,65535,":%s 375 %s :- %s message of the day\r\n", ServerName, user->nick, ServerName);
2680 WholeMOTD = WholeMOTD + buf;
2681 for (int i = 0; i != MOTD.size(); i++)
2683 snprintf(buf,65535,":%s 372 %s :- %s\r\n", ServerName, user->nick, MOTD[i].c_str());
2684 WholeMOTD = WholeMOTD + buf;
2686 snprintf(buf,65535,":%s 376 %s :End of message of the day.\r\n", ServerName, user->nick);
2687 WholeMOTD = WholeMOTD + buf;
2688 // only one write operation
2689 send(user->fd,WholeMOTD.c_str(),WholeMOTD.length(),0);
2690 statsSent += WholeMOTD.length();
2693 void ShowRULES(userrec *user)
2697 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
2700 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
2701 for (int i = 0; i != RULES.size(); i++)
2703 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
2705 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
2708 /* shows the message of the day, and any other on-logon stuff */
2709 void FullConnectUser(userrec* user)
2712 user->idle_lastmsg = TIME;
2713 log(DEBUG,"ConnectUser: %s",user->nick);
2715 if ((strcmp(Passwd(user),"")) && (!user->haspassed))
2717 kill_link(user,"Invalid password");
2722 kill_link(user,"Unauthorised connection");
2726 char match_against[MAXBUF];
2727 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
2728 char* e = matches_exception(match_against);
2731 char* r = matches_gline(match_against);
2734 char reason[MAXBUF];
2735 snprintf(reason,MAXBUF,"G-Lined: %s",r);
2736 kill_link_silent(user,reason);
2739 r = matches_kline(user->host);
2742 char reason[MAXBUF];
2743 snprintf(reason,MAXBUF,"K-Lined: %s",r);
2744 kill_link_silent(user,reason);
2749 // fix by brain: move this below the xline checks to prevent spurious quits going onto the net that dont belong
2750 user->registered = 7;
2752 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
2753 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
2754 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
2755 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
2756 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
2757 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
2758 std::stringstream v;
2759 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
2760 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
2761 v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
2763 std::string data005 = v.str();
2764 FOREACH_MOD On005Numeric(data005);
2765 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
2766 // so i'd better split it :)
2767 std::stringstream out(data005);
2768 std::string token = "";
2769 std::string line5 = "";
2770 int token_counter = 0;
2774 line5 = line5 + token + " ";
2776 if ((token_counter >= 13) || (out.eof() == true))
2778 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
2785 char buffer[MAXBUF];
2786 snprintf(buffer,MAXBUF,"N %lu %s %s %s %s +%s %s %s :%s",(unsigned long)user->age,user->nick,user->host,user->dhost,user->ident,user->modes,user->ip,ServerName,user->fullname);
2787 NetSendToAll(buffer);
2789 // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
2790 FOREACH_MOD OnUserConnect(user);
2791 WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
2795 // this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
2796 // (until this returns true, a user will block in the waiting state, waiting to connect up to the
2797 // registration timeout maximum seconds)
2798 bool AllModulesReportReady(userrec* user)
2800 for (int i = 0; i <= MODCOUNT; i++)
2802 int res = modules[i]->OnCheckReady(user);
2809 /* shows the message of the day, and any other on-logon stuff */
2810 void ConnectUser(userrec *user)
2812 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
2813 if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
2815 FullConnectUser(user);
2819 std::string GetVersionString()
2821 char Revision[] = "$Revision$";
2822 char versiondata[MAXBUF];
2823 char *s1 = Revision;
2825 char *v2 = strtok_r(s1," ",&savept);
2827 v2 = strtok_r(s1," ",&savept);
2829 snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu)",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION);
2833 void handle_version(char **parameters, int pcnt, userrec *user)
2837 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
2841 if (!strcmp(parameters[0],"*"))
2843 for (int j = 0; j < 32; j++)
2847 for (int x = 0; x < me[j]->connectors.size(); x++)
2849 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());
2855 if (match(ServerName,parameters[0]))
2857 WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
2860 bool displayed = false, found = false;
2861 for (int j = 0; j < 32; j++)
2865 for (int x = 0; x < me[j]->connectors.size(); x++)
2867 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
2870 if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
2873 WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
2879 if ((!displayed) && (found))
2881 WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
2886 WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
2893 // calls a handler function for a command
2895 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
2897 for (int i = 0; i < cmdlist.size(); i++)
2899 if (!strcasecmp(cmdlist[i].command,commandname))
2901 if (cmdlist[i].handler_function)
2903 if (pcnt>=cmdlist[i].min_params)
2905 if (strchr(user->modes,cmdlist[i].flags_needed))
2907 cmdlist[i].handler_function(parameters,pcnt,user);
2915 void DoSplitEveryone()
2917 bool go_again = true;
2921 for (int i = 0; i < 32; i++)
2925 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2927 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2930 j->CloseConnection();
2931 me[i]->connectors.erase(j);
2939 log(DEBUG,"Removed server. Will remove clients...");
2940 // iterate through the userlist and remove all users on this server.
2941 // because we're dealing with a mesh, we dont have to deal with anything
2942 // "down-route" from this server (nice huh)
2944 char reason[MAXBUF];
2948 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2950 if (strcasecmp(u->second->server,ServerName))
2952 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
2953 kill_link(u->second,reason);
2963 char islast(const char* s)
2966 for (int j = 0; j < 32; j++)
2970 for (int k = 0; k < me[j]->connectors.size(); k++)
2972 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2976 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2986 long map_count(const char* s)
2989 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2991 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
2997 void force_nickchange(userrec* user,const char* newnick)
3004 FOREACH_RESULT(OnUserPreNick(user,newnick));
3007 kill_link(user,"Nickname collision");
3010 if (matches_qline(newnick))
3013 kill_link(user,"Nickname collision");
3021 strncpy(nick,newnick,MAXBUF);
3023 if (user->registered == 7)
3027 handle_nick(pars,1,user);
3033 int process_parameters(char **command_p,char *parameters)
3036 int q = strlen(parameters);
3039 /* no parameters, command_p invalid! */
3042 if (parameters[0] == ':')
3044 command_p[0] = parameters+1;
3049 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
3051 /* only one parameter */
3052 command_p[0] = parameters;
3053 if (parameters[0] == ':')
3055 if (strchr(parameters,' ') != NULL)
3063 command_p[j++] = parameters;
3064 for (int i = 0; i <= q; i++)
3066 if (parameters[i] == ' ')
3068 command_p[j++] = parameters+i+1;
3069 parameters[i] = '\0';
3070 if (command_p[j-1][0] == ':')
3072 *command_p[j-1]++; /* remove dodgy ":" */
3074 /* parameter like this marks end of the sequence */
3078 return j; /* returns total number of items in the list */
3081 void process_command(userrec *user, char* cmd)
3085 char *command_p[127];
3086 char p[MAXBUF], temp[MAXBUF];
3087 int j, items, cmd_found;
3089 for (int i = 0; i < 127; i++)
3090 command_p[i] = NULL;
3105 int total_params = 0;
3108 for (int q = 0; q < strlen(cmd)-1; q++)
3110 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
3113 // found a 'trailing', we dont count them after this.
3121 // another phidjit bug...
3122 if (total_params > 126)
3124 *(strchr(cmd,' ')) = '\0';
3125 WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
3129 strlcpy(temp,cmd,MAXBUF);
3131 std::string tmp = cmd;
3132 for (int i = 0; i <= MODCOUNT; i++)
3134 std::string oldtmp = tmp;
3135 modules[i]->OnServerRaw(tmp,true,user);
3138 log(DEBUG,"A Module changed the input string!");
3139 log(DEBUG,"New string: %s",tmp.c_str());
3140 log(DEBUG,"Old string: %s",oldtmp.c_str());
3144 strlcpy(cmd,tmp.c_str(),MAXBUF);
3145 strlcpy(temp,cmd,MAXBUF);
3147 if (!strchr(cmd,' '))
3149 /* no parameters, lets skip the formalities and not chop up
3151 log(DEBUG,"About to preprocess command with no params");
3153 command_p[0] = NULL;
3155 for (int i = 0; i <= strlen(cmd); i++)
3157 cmd[i] = toupper(cmd[i]);
3165 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
3166 for (int i = 0; i < strlen(temp); i++)
3168 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
3174 /* split the full string into a command plus parameters */
3178 if (strchr(cmd,' '))
3180 for (int i = 0; i <= strlen(cmd); i++)
3182 /* capitalise the command ONLY, leave params intact */
3183 cmd[i] = toupper(cmd[i]);
3184 /* are we nearly there yet?! :P */
3188 parameters = cmd+i+1;
3196 for (int i = 0; i <= strlen(cmd); i++)
3198 cmd[i] = toupper(cmd[i]);
3205 if (strlen(command)>MAXCOMMAND)
3207 WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
3211 for (int x = 0; x < strlen(command); x++)
3213 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
3215 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
3217 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
3220 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
3227 for (int i = 0; i != cmdlist.size(); i++)
3229 if (cmdlist[i].command[0])
3231 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
3237 items = process_parameters(command_p,parameters);
3242 command_p[0] = NULL;
3248 command_p[0] = NULL;
3253 /* activity resets the ping pending timer */
3254 user->nping = TIME + user->pingmax;
3255 if ((items) < cmdlist[i].min_params)
3257 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
3258 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
3261 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
3263 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
3264 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
3268 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
3270 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
3271 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
3275 /* if the command isnt USER, PASS, or NICK, and nick is empty,
3277 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
3279 if ((!isnick(user->nick)) || (user->registered != 7))
3281 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
3282 WriteServ(user->fd,"451 %s :You have not registered",command);
3286 if ((user->registered == 7) && (!strchr(user->modes,'o')))
3290 mycmd = strtok_r(DisabledCommands," ",&savept2);
3293 if (!strcasecmp(mycmd,command))
3295 // command is disabled!
3296 WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
3299 mycmd = strtok_r(NULL," ",&savept2);
3304 if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
3306 if (cmdlist[i].handler_function)
3309 /* ikky /stats counters */
3312 cmdlist[i].use_count++;
3313 cmdlist[i].total_bytes+=strlen(temp);
3317 FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
3318 if (MOD_RESULT == 1) {
3322 /* WARNING: nothing may come after the
3323 * command handler call, as the handler
3324 * may free the user structure! */
3326 cmdlist[i].handler_function(command_p,items,user);
3332 WriteServ(user->fd,"451 %s :You have not registered",command);
3340 if ((!cmd_found) && (user))
3343 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
3348 void createcommand(char* cmd, handlerfunc f, char flags, int minparams,char* source)
3351 /* create the command and push it onto the table */
3352 strlcpy(comm.command,cmd,MAXBUF);
3353 strlcpy(comm.source,source,MAXBUF);
3354 comm.handler_function = f;
3355 comm.flags_needed = flags;
3356 comm.min_params = minparams;
3358 comm.total_bytes = 0;
3359 cmdlist.push_back(comm);
3360 log(DEBUG,"Added command %s (%lu parameters)",cmd,(unsigned long)minparams);
3363 bool removecommands(const char* source)
3365 bool go_again = true;
3369 for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
3371 if (!strcmp(i->source,source))
3373 log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
3383 void SetupCommandTable(void)
3385 createcommand("USER",handle_user,0,4,"<core>");
3386 createcommand("NICK",handle_nick,0,1,"<core>");
3387 createcommand("QUIT",handle_quit,0,0,"<core>");
3388 createcommand("VERSION",handle_version,0,0,"<core>");
3389 createcommand("PING",handle_ping,0,1,"<core>");
3390 createcommand("PONG",handle_pong,0,1,"<core>");
3391 createcommand("ADMIN",handle_admin,0,0,"<core>");
3392 createcommand("PRIVMSG",handle_privmsg,0,2,"<core>");
3393 createcommand("INFO",handle_info,0,0,"<core>");
3394 createcommand("TIME",handle_time,0,0,"<core>");
3395 createcommand("WHOIS",handle_whois,0,1,"<core>");
3396 createcommand("WALLOPS",handle_wallops,'o',1,"<core>");
3397 createcommand("NOTICE",handle_notice,0,2,"<core>");
3398 createcommand("JOIN",handle_join,0,1,"<core>");
3399 createcommand("NAMES",handle_names,0,0,"<core>");
3400 createcommand("PART",handle_part,0,1,"<core>");
3401 createcommand("KICK",handle_kick,0,2,"<core>");
3402 createcommand("MODE",handle_mode,0,1,"<core>");
3403 createcommand("TOPIC",handle_topic,0,1,"<core>");
3404 createcommand("WHO",handle_who,0,1,"<core>");
3405 createcommand("MOTD",handle_motd,0,0,"<core>");
3406 createcommand("RULES",handle_rules,0,0,"<core>");
3407 createcommand("OPER",handle_oper,0,2,"<core>");
3408 createcommand("LIST",handle_list,0,0,"<core>");
3409 createcommand("DIE",handle_die,'o',1,"<core>");
3410 createcommand("RESTART",handle_restart,'o',1,"<core>");
3411 createcommand("KILL",handle_kill,'o',2,"<core>");
3412 createcommand("REHASH",handle_rehash,'o',0,"<core>");
3413 createcommand("LUSERS",handle_lusers,0,0,"<core>");
3414 createcommand("STATS",handle_stats,0,1,"<core>");
3415 createcommand("USERHOST",handle_userhost,0,1,"<core>");
3416 createcommand("AWAY",handle_away,0,0,"<core>");
3417 createcommand("ISON",handle_ison,0,0,"<core>");
3418 createcommand("SUMMON",handle_summon,0,0,"<core>");
3419 createcommand("USERS",handle_users,0,0,"<core>");
3420 createcommand("INVITE",handle_invite,0,2,"<core>");
3421 createcommand("PASS",handle_pass,0,1,"<core>");
3422 createcommand("TRACE",handle_trace,'o',0,"<core>");
3423 createcommand("WHOWAS",handle_whowas,0,1,"<core>");
3424 createcommand("CONNECT",handle_connect,'o',1,"<core>");
3425 createcommand("SQUIT",handle_squit,'o',0,"<core>");
3426 createcommand("MODULES",handle_modules,0,0,"<core>");
3427 createcommand("LINKS",handle_links,0,0,"<core>");
3428 createcommand("MAP",handle_map,0,0,"<core>");
3429 createcommand("KLINE",handle_kline,'o',1,"<core>");
3430 createcommand("GLINE",handle_gline,'o',1,"<core>");
3431 createcommand("ZLINE",handle_zline,'o',1,"<core>");
3432 createcommand("QLINE",handle_qline,'o',1,"<core>");
3433 createcommand("ELINE",handle_eline,'o',1,"<core>");
3434 createcommand("LOADMODULE",handle_loadmodule,'o',1,"<core>");
3435 createcommand("UNLOADMODULE",handle_unloadmodule,'o',1,"<core>");
3436 createcommand("SERVER",handle_server,0,0,"<core>");
3439 void process_buffer(const char* cmdbuf,userrec *user)
3443 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
3449 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
3456 while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
3458 strlcpy(cmd,cmdbuf,MAXBUF);
3463 int sl = strlen(cmd)-1;
3464 if ((cmd[sl] == 13) || (cmd[sl] == 10))
3469 if ((cmd[sl] == 13) || (cmd[sl] == 10))
3474 while (cmd[sl] == ' ') // strip trailing spaces
3484 log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
3486 if ((user) && (cmd))
3488 process_command(user,cmd);
3492 void DoSync(serverrec* serv, char* tcp_host)
3495 log(DEBUG,"Sending sync");
3496 // send start of sync marker: Y <timestamp>
3497 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
3498 // except the ones its receiving it from.
3499 snprintf(data,MAXBUF,"Y %lu",(unsigned long)TIME);
3500 serv->SendPacket(data,tcp_host);
3501 // send users and channels
3503 NetSendMyRoutingTable();
3505 // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
3506 for (int j = 0; j < 32; j++)
3510 for (int k = 0; k < me[j]->connectors.size(); k++)
3512 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
3514 snprintf(data,MAXBUF,"H %s",me[j]->connectors[k].GetServerName().c_str());
3515 serv->SendPacket(data,tcp_host);
3521 // send our version for the remote side to cache
3522 snprintf(data,MAXBUF,"v %s %s",ServerName,GetVersionString().c_str());
3523 serv->SendPacket(data,tcp_host);
3525 // sync the users and channels, give the modules a look-in.
3526 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
3528 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);
3529 serv->SendPacket(data,tcp_host);
3530 if (strchr(u->second->modes,'o'))
3532 snprintf(data,MAXBUF,"| %s %s",u->second->nick,u->second->oper);
3533 serv->SendPacket(data,tcp_host);
3535 for (int i = 0; i <= MODCOUNT; i++)
3537 string_list l = modules[i]->OnUserSync(u->second);
3538 for (int j = 0; j < l.size(); j++)
3540 strlcpy(data,l[j].c_str(),MAXBUF);
3541 serv->SendPacket(data,tcp_host);
3544 char* chl = chlist(u->second,u->second);
3547 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chl);
3548 serv->SendPacket(data,tcp_host);
3551 // send channel modes, topics etc...
3552 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
3554 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
3555 serv->SendPacket(data,tcp_host);
3556 for (int i = 0; i <= MODCOUNT; i++)
3558 string_list l = modules[i]->OnChannelSync(c->second);
3559 for (int j = 0; j < l.size(); j++)
3561 strlcpy(data,l[j].c_str(),MAXBUF);
3562 serv->SendPacket(data,tcp_host);
3565 if (c->second->topic[0])
3567 snprintf(data,MAXBUF,"T %lu %s %s :%s",(unsigned long)c->second->topicset,c->second->setby,c->second->name,c->second->topic);
3568 serv->SendPacket(data,tcp_host);
3570 // send current banlist
3572 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
3574 snprintf(data,MAXBUF,"M %s +b %s",c->second->name,b->data);
3575 serv->SendPacket(data,tcp_host);
3578 // sync global zlines, glines, etc
3579 sync_xlines(serv,tcp_host);
3581 snprintf(data,MAXBUF,"F %lu",(unsigned long)TIME);
3582 serv->SendPacket(data,tcp_host);
3583 log(DEBUG,"Sent sync");
3584 // ircd sends its serverlist after the end of sync here
3588 void NetSendMyRoutingTable()
3590 // send out a line saying what is reachable to us.
3591 // E.g. if A is linked to B C and D, send out:
3593 // if its only linked to B and D send out:
3595 // if it has no links, dont even send out the line at all.
3596 char buffer[MAXBUF];
3597 snprintf(buffer,MAXBUF,"$ %s",ServerName);
3598 bool sendit = false;
3599 for (int i = 0; i < 32; i++)
3603 for (int j = 0; j < me[i]->connectors.size(); j++)
3605 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
3607 strlcat(buffer," ",MAXBUF);
3608 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
3615 NetSendToAll(buffer);
3619 void DoSplit(const char* params)
3621 bool go_again = true;
3625 for (int i = 0; i < 32; i++)
3629 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3631 if (!strcasecmp(j->GetServerName().c_str(),params))
3634 j->CloseConnection();
3635 me[i]->connectors.erase(j);
3643 log(DEBUG,"Removed server. Will remove clients...");
3644 // iterate through the userlist and remove all users on this server.
3645 // because we're dealing with a mesh, we dont have to deal with anything
3646 // "down-route" from this server (nice huh)
3648 char reason[MAXBUF];
3649 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
3653 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
3655 if (!strcasecmp(u->second->server,params))
3657 kill_link(u->second,reason);
3665 // removes a server. Will NOT remove its users!
3667 void RemoveServer(const char* name)
3669 bool go_again = true;
3673 for (int i = 0; i < 32; i++)
3677 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3679 if (!strcasecmp(j->GetServerName().c_str(),name))
3682 j->CloseConnection();
3683 me[i]->connectors.erase(j);
3694 char MODERR[MAXBUF];
3701 void erase_factory(int j)
3704 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
3709 factory.push_back(NULL);
3716 void erase_module(int j)
3719 for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
3725 modules.push_back(NULL);
3731 for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
3735 module_names.erase(v);
3743 bool UnloadModule(const char* filename)
3745 std::string filename_str = filename;
3746 for (int j = 0; j != module_names.size(); j++)
3748 if (module_names[j] == filename_str)
3750 if (modules[j]->GetVersion().Flags & VF_STATIC)
3752 log(DEFAULT,"Failed to unload STATIC module %s",filename);
3753 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
3757 log(DEBUG,"Deleting module...");
3759 log(DEBUG,"Erasing module entry...");
3761 log(DEBUG,"Removing dependent commands...");
3762 removecommands(filename);
3763 log(DEFAULT,"Module %s unloaded",filename);
3768 log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
3769 snprintf(MODERR,MAXBUF,"Module not loaded");
3773 bool DirValid(char* dirandfile)
3776 strlcpy(work,dirandfile,MAXBUF);
3777 int p = strlen(work);
3778 // we just want the dir
3779 while (strlen(work))
3788 char buffer[MAXBUF], otherdir[MAXBUF];
3789 // Get the current working directory
3790 if( getcwd( buffer, MAXBUF ) == NULL )
3793 if( getcwd( otherdir, MAXBUF ) == NULL )
3796 if (strlen(otherdir) >= strlen(work))
3798 otherdir[strlen(work)] = '\0';
3799 if (!strcmp(otherdir,work))
3808 std::string GetFullProgDir(char** argv, int argc)
3811 strlcpy(work,argv[0],MAXBUF);
3812 int p = strlen(work);
3813 // we just want the dir
3814 while (strlen(work))
3823 char buffer[MAXBUF], otherdir[MAXBUF];
3824 // Get the current working directory
3825 if( getcwd( buffer, MAXBUF ) == NULL )
3828 if( getcwd( otherdir, MAXBUF ) == NULL )
3834 bool LoadModule(const char* filename)
3836 char modfile[MAXBUF];
3837 snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
3838 std::string filename_str = filename;
3839 if (!DirValid(modfile))
3841 log(DEFAULT,"Module %s is not within the modules directory.",modfile);
3842 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
3845 log(DEBUG,"Loading module: %s",modfile);
3846 if (FileExists(modfile))
3848 for (int j = 0; j < module_names.size(); j++)
3850 if (module_names[j] == filename_str)
3852 log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
3853 snprintf(MODERR,MAXBUF,"Module already loaded");
3857 ircd_module* a = new ircd_module(modfile);
3858 factory[MODCOUNT+1] = a;
3859 if (factory[MODCOUNT+1]->LastError())
3861 log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
3862 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
3866 if (factory[MODCOUNT+1]->factory)
3868 Module* m = factory[MODCOUNT+1]->factory->CreateModule();
3869 modules[MODCOUNT+1] = m;
3870 /* save the module and the module's classfactory, if
3871 * this isnt done, random crashes can occur :/ */
3872 module_names.push_back(filename);
3876 log(DEFAULT,"Unable to load %s",modfile);
3877 snprintf(MODERR,MAXBUF,"Factory function failed!");
3883 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
3884 snprintf(MODERR,MAXBUF,"Module file could not be found");
3891 int InspIRCd(char** argv, int argc)
3893 struct sockaddr_in client,server;
3894 char addrs[MAXBUF][255];
3895 int incomingSockfd, result = TRUE;
3898 int selectResult = 0, selectResult2 = 0;
3899 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
3903 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
3904 log_file = fopen(logpath.c_str(),"a+");
3907 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
3910 printf("Logging to %s...\n",logpath.c_str());
3912 log(DEFAULT,"$Id$");
3915 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
3917 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
3919 SetupCommandTable();
3920 log(DEBUG,"InspIRCd: startup: default command table set up");
3922 ReadConfig(true,NULL);
3925 printf("WARNING: %s\n\n",DieValue);
3926 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
3929 log(DEBUG,"InspIRCd: startup: read config");
3931 int clientportcount = 0, serverportcount = 0;
3933 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
3935 ConfValue("bind","port",count,configToken,&config_f);
3936 ConfValue("bind","address",count,Addr,&config_f);
3937 ConfValue("bind","type",count,Type,&config_f);
3938 if (!strcmp(Type,"servers"))
3940 char Default[MAXBUF];
3941 strcpy(Default,"no");
3942 ConfValue("bind","default",count,Default,&config_f);
3943 if (strchr(Default,'y'))
3945 defaultRoute = serverportcount;
3946 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
3948 me[serverportcount] = new serverrec(ServerName,100L,false);
3949 if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
3951 log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
3952 printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
3961 ports[clientportcount] = atoi(configToken);
3962 strlcpy(addrs[clientportcount],Addr,256);
3965 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
3967 portCount = clientportcount;
3968 SERVERportCount = serverportcount;
3970 log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)SERVERportCount);
3971 log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
3975 /* BugFix By Craig! :p */
3977 for (count = 0; count < ConfValueEnum("module",&config_f); count++)
3979 ConfValue("module","name",count,configToken,&config_f);
3980 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
3981 if (!LoadModule(configToken))
3983 log(DEFAULT,"Exiting due to a module loader error.");
3984 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
3988 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
3990 startup_time = time(NULL);
3993 ConfValue("pid","file",0,PID,&config_f);
3994 // write once here, to try it out and make sure its ok
3997 /* setup select call */
3998 FD_ZERO(&selectFds);
3999 log(DEBUG,"InspIRCd: startup: zero selects");
4000 log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
4002 for (count = 0; count < portCount; count++)
4004 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
4006 log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
4009 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
4011 log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
4013 else /* well we at least bound to one socket so we'll continue */
4019 log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
4021 /* if we didn't bind to anything then abort */
4022 if (boundPortCount == 0)
4024 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
4025 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
4030 printf("\nInspIRCd is now running!\n");
4034 log(VERBOSE,"Not forking as -nofork was specified");
4038 if (DaemonSeed() == ERROR)
4040 log(DEFAULT,"InspIRCd: startup: can't daemonise");
4041 printf("ERROR: could not go into daemon mode. Shutting down.\n");
4048 length = sizeof (client);
4049 char tcp_msg[MAXBUF],tcp_host[MAXBUF];
4053 tvs.tv_usec = 10000L;
4056 tv.tv_usec = 10000L;
4060 tval.tv_usec = 10000L;
4062 int total_in_this_set = 0;
4064 bool expire_run = false;
4066 /* main loop, this never returns */
4069 #ifdef _POSIX_PRIORITY_SCHEDULING
4076 // we only read time() once per iteration rather than tons of times!
4079 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
4080 // them in a list, then reap the list every second or so.
4081 if (((TIME % 5) == 0) && (!expire_run))
4084 FOREACH_MOD OnBackgroundTimer(TIME);
4088 if ((TIME % 5) == 1)
4091 // fix by brain - this must be below any manipulation of the hashmap by modules
4092 user_hash::iterator count2 = clientlist.begin();
4094 FD_ZERO(&serverfds);
4096 for (int x = 0; x != SERVERportCount; x++)
4099 FD_SET(me[x]->fd, &serverfds);
4102 // serverFds timevals went here
4104 tvs.tv_usec = 30000L;
4106 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
4109 for (int x = 0; x != SERVERportCount; x++)
4111 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
4113 char remotehost[MAXBUF],resolved[MAXBUF];
4114 length = sizeof (client);
4115 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
4116 if (incomingSockfd != -1)
4118 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
4119 if(CleanAndResolve(resolved, remotehost) != TRUE)
4121 strlcpy(resolved,remotehost,MAXBUF);
4123 // add to this connections ircd_connector vector
4124 // *FIX* - we need the LOCAL port not the remote port in &client!
4125 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
4131 for (int x = 0; x < SERVERportCount; x++)
4133 std::deque<std::string> msgs;
4135 if ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host)))
4137 for (int ctr = 0; ctr < msgs.size(); ctr++)
4139 strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
4140 log(DEBUG,"Processing: %s",tcp_msg);
4143 log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
4146 // during a netburst, send all data to all other linked servers
4147 if ((((nb_start>0) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
4149 if (is_uline(tcp_host))
4151 if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
4153 NetSendToAllExcept(tcp_host,tcp_msg);
4157 NetSendToAllExcept(tcp_host,tcp_msg);
4159 std::string msg = tcp_msg;
4160 FOREACH_MOD OnPacketReceive(msg,tcp_host);
4161 strlcpy(tcp_msg,msg.c_str(),MAXBUF);
4162 handle_link_packet(tcp_msg, tcp_host, me[x]);
4169 while (count2 != clientlist.end())
4172 total_in_this_set = 0;
4174 user_hash::iterator xcount = count2;
4175 user_hash::iterator endingiter = count2;
4177 if (count2 == clientlist.end()) break;
4179 userrec* curr = NULL;
4182 curr = count2->second;
4184 if ((curr) && (curr->fd != 0))
4186 #ifdef _POSIX_PRIORITY_SCHEDULING
4189 // assemble up to 64 sockets into an fd_set
4190 // to implement a pooling mechanism.
4192 // This should be up to 64x faster than the
4193 // old implementation.
4194 while (total_in_this_set < 64)
4196 if (count2 != clientlist.end())
4198 curr = count2->second;
4199 // we don't check the state of remote users.
4200 if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
4202 FD_SET (curr->fd, &sfd);
4204 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
4205 // their connection class.
4206 if ((TIME > curr->timeout) && (curr->registered != 7))
4208 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
4209 kill_link(curr,"Registration timeout");
4212 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
4214 log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
4215 curr->dns_done = true;
4217 FullConnectUser(curr);
4220 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
4222 log(DEBUG,"dns done, registered=3, and modules ready, OK");
4223 FullConnectUser(curr);
4226 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
4228 if ((!curr->lastping) && (curr->registered == 7))
4230 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
4231 kill_link(curr,"Ping timeout");
4234 Write(curr->fd,"PING :%s",ServerName);
4235 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
4237 curr->nping = TIME+curr->pingmax; // was hard coded to 120
4241 total_in_this_set++;
4246 endingiter = count2;
4247 count2 = xcount; // roll back to where we were
4251 // tvals defined here
4253 tval.tv_usec = 1000L;
4254 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
4256 // now loop through all of the items in this pool if any are waiting
4257 if (selectResult2 > 0)
4258 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
4261 #ifdef _POSIX_PRIORITY_SCHEDULING
4264 userrec* cu = count2a->second;
4266 if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
4268 log(DEBUG,"Data waiting on socket %d",cu->fd);
4271 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
4274 result = read(cu->fd, data, 65535);
4276 else result = result2;
4277 log(DEBUG,"Read result: %d",result);
4280 statsRecv += result;
4281 // perform a check on the raw buffer as an array (not a string!) to remove
4282 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
4283 // hopefully this should stop even more people whining about "Unknown command: *"
4284 for (int checker = 0; checker < result; checker++)
4286 if ((data[checker] == 0) || (data[checker] == 7))
4287 data[checker] = ' ';
4290 data[result] = '\0';
4291 userrec* current = cu;
4292 int currfd = current->fd;
4294 // add the data to the users buffer
4296 if (!current->AddBuffer(data))
4298 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
4299 if (current->registered == 7)
4301 kill_link(current,"RecvQ exceeded");
4305 WriteOpers("*** Excess flood from %s",current->ip);
4306 log(DEFAULT,"Excess flood from: %s",current->ip);
4307 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4312 if (current->recvq.length() > NetBufferSize)
4314 if (current->registered == 7)
4316 kill_link(current,"RecvQ exceeded");
4320 WriteOpers("*** Excess flood from %s",current->ip);
4321 log(DEFAULT,"Excess flood from: %s",current->ip);
4322 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4327 // while there are complete lines to process...
4328 while (current->BufferIsReady())
4331 if (TIME > current->reset_due)
4333 current->reset_due = TIME + current->threshold;
4334 current->lines_in = 0;
4336 current->lines_in++;
4337 if (current->lines_in > current->flood)
4339 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4340 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4341 kill_link(current,"Excess flood");
4344 if ((floodlines > current->flood) && (current->flood != 0))
4346 if (current->registered == 7)
4348 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4349 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4350 kill_link(current,"Excess flood");
4354 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
4359 char sanitized[MAXBUF];
4360 // use GetBuffer to copy single lines into the sanitized string
4361 std::string single_line = current->GetBuffer();
4362 current->bytes_in += single_line.length();
4364 if (single_line.length()>512)
4366 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4367 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
4368 kill_link(current,"Excess flood");
4371 strlcpy(sanitized,single_line.c_str(),MAXBUF);
4374 userrec* old_comp = fd_ref_table[currfd];
4375 // we're gonna re-scan to check if the nick is gone, after every
4376 // command - if it has, we're gonna bail
4377 process_buffer(sanitized,current);
4378 // look for the user's record in case it's changed... if theyve quit,
4379 // we cant do anything more with their buffer, so bail.
4380 // there used to be an ugly, slow loop here. Now we have a reference
4381 // table, life is much easier (and FASTER)
4382 userrec* new_comp = fd_ref_table[currfd];
4383 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
4391 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
4393 log(DEBUG,"killing: %s",cu->nick);
4394 kill_link(cu,strerror(errno));
4398 // result EAGAIN means nothing read
4399 if (result == EAGAIN)
4407 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
4408 kill_link(cu,"Client exited");
4409 // must bail here? kill_link removes the hash, corrupting the iterator
4410 log(DEBUG,"Bailing from client exit");
4414 else if (result > 0)
4419 for (int q = 0; q < total_in_this_set; q++)
4425 #ifdef _POSIX_PRIORITY_SCHEDULING
4429 // set up select call
4430 for (count = 0; count < boundPortCount; count++)
4432 FD_SET (openSockfd[count], &selectFds);
4435 tv.tv_usec = 30000L;
4436 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
4438 /* select is reporting a waiting socket. Poll them all to find out which */
4439 if (selectResult > 0)
4441 char target[MAXBUF], resolved[MAXBUF];
4442 for (count = 0; count < boundPortCount; count++)
4444 if (FD_ISSET (openSockfd[count], &selectFds))
4446 length = sizeof (client);
4447 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
4449 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
4450 strlcpy (resolved, target, MAXBUF);
4452 if (incomingSockfd < 0)
4454 WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
4455 log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
4460 FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
4462 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
4463 log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
4471 #ifdef _POSIX_PRIORITY_SCHEDULING
4477 close (incomingSockfd);