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 bool AllowHalfop = true;
93 bool AllowProtect = true;
94 bool AllowFounder = true;
96 extern std::vector<Module*> modules;
97 std::vector<std::string> module_names;
98 extern std::vector<ircd_module*> factory;
99 std::vector<int> fd_reap;
108 template<> struct hash<in_addr>
110 template<> struct nspace::hash<in_addr>
113 size_t operator()(const struct in_addr &a) const
116 memcpy(&q,&a,sizeof(size_t));
121 template<> struct hash<string>
123 template<> struct nspace::hash<string>
126 size_t operator()(const string &s) const
129 static struct hash<const char *> strhash;
130 strlcpy(a,s.c_str(),MAXBUF);
141 bool operator()(const string& s1, const string& s2) const
143 char a[MAXBUF],b[MAXBUF];
144 strlcpy(a,s1.c_str(),MAXBUF);
145 strlcpy(b,s2.c_str(),MAXBUF);
146 return (strcasecmp(a,b) == 0);
151 struct InAddr_HashComp
154 bool operator()(const in_addr &s1, const in_addr &s2) const
159 memcpy(&q,&s1,sizeof(size_t));
160 memcpy(&p,&s2,sizeof(size_t));
168 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
169 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
170 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
171 typedef std::deque<command_t> command_table;
177 user_hash clientlist;
180 command_table cmdlist;
187 struct linger linger = { 0 };
188 char MyExecutable[1024];
189 int boundPortCount = 0;
190 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
191 int defaultRoute = 0;
195 long MyKey = C.GenKey();
199 int has_channel(userrec *u, chanrec *c);
200 int usercount(chanrec *c);
201 int usercount_i(chanrec *c);
202 char* Passwd(userrec *user);
203 bool IsDenied(userrec *user);
204 void AddWhoWas(userrec* u);
206 std::vector<long> auth_cookies;
207 std::stringstream config_f(stringstream::in | stringstream::out);
213 char Revision[] = "$Revision$";
216 char *v1 = strtok_r(s1," ",&savept);
218 char *v2 = strtok_r(s1," ",&savept);
220 return (long)(atof(v2)*10000);
224 std::string getservername()
229 std::string getserverdesc()
234 std::string getnetworkname()
239 std::string getadminname()
244 std::string getadminemail()
249 std::string getadminnick()
254 void log(int level,char *text, ...)
256 char textbuffer[MAXBUF];
259 struct tm * timeinfo;
260 if (level < LogLevel)
264 timeinfo = localtime (&rawtime);
269 va_start (argsPtr, text);
270 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
272 strlcpy(b,asctime(timeinfo),MAXBUF);
273 b[strlen(b)-1] = ':';
274 fprintf(log_file,"%s %s\n",b,textbuffer);
277 // nofork enabled? display it on terminal too
278 printf("%s %s\n",b,textbuffer);
283 void readfile(file_cache &F, const char* fname)
286 char linebuf[MAXBUF];
288 log(DEBUG,"readfile: loading %s",fname);
290 file = fopen(fname,"r");
295 fgets(linebuf,sizeof(linebuf),file);
296 linebuf[strlen(linebuf)-1]='\0';
297 if (!strcmp(linebuf,""))
303 F.push_back(linebuf);
310 log(DEBUG,"readfile: failed to load file: %s",fname);
312 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
315 void ReadConfig(bool bail, userrec* user)
317 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
318 char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF];
320 std::stringstream errstr;
322 if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
327 printf("There were errors in your configuration:\n%s",errstr.str().c_str());
335 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
336 while (!errstr.eof())
338 errstr.getline(dataline,1024);
339 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
344 WriteOpers("There were errors in the configuration file:",user->nick);
345 while (!errstr.eof())
347 errstr.getline(dataline,1024);
348 WriteOpers(dataline);
355 ConfValue("server","name",0,ServerName,&config_f);
356 ConfValue("server","description",0,ServerDesc,&config_f);
357 ConfValue("server","network",0,Network,&config_f);
358 ConfValue("admin","name",0,AdminName,&config_f);
359 ConfValue("admin","email",0,AdminEmail,&config_f);
360 ConfValue("admin","nick",0,AdminNick,&config_f);
361 ConfValue("files","motd",0,motd,&config_f);
362 ConfValue("files","rules",0,rules,&config_f);
363 ConfValue("power","diepass",0,diepass,&config_f);
364 ConfValue("power","pause",0,pauseval,&config_f);
365 ConfValue("power","restartpass",0,restartpass,&config_f);
366 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
367 ConfValue("die","value",0,DieValue,&config_f);
368 ConfValue("options","loglevel",0,dbg,&config_f);
369 ConfValue("options","netbuffersize",0,NB,&config_f);
370 ConfValue("options","maxwho",0,MW,&config_f);
371 ConfValue("options","allowhalfop",0,AH,&config_f);
372 ConfValue("options","allowprotect",0,AP,&config_f);
373 ConfValue("options","allowfounder",0,AF,&config_f);
374 ConfValue("dns","server",0,DNSServer,&config_f);
375 ConfValue("dns","timeout",0,DNT,&config_f);
376 NetBufferSize = atoi(NB);
377 MaxWhoResults = atoi(MW);
378 dns_timeout = atoi(DNT);
381 if (!strcmp(DNSServer,""))
382 strlcpy(DNSServer,"127.0.0.1",MAXBUF);
383 AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
384 AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
385 AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
386 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
388 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
389 NetBufferSize = 10240;
391 if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
393 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
396 if (!strcmp(dbg,"debug"))
398 if (!strcmp(dbg,"verbose"))
400 if (!strcmp(dbg,"default"))
402 if (!strcmp(dbg,"sparse"))
404 if (!strcmp(dbg,"none"))
407 log(DEFAULT,"Reading message of the day...");
408 readfile(RULES,rules);
409 log(DEFAULT,"Reading connect classes...");
411 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
414 ConfValue("connect","allow",i,Value,&config_f);
415 ConfValue("connect","timeout",i,timeout,&config_f);
416 ConfValue("connect","flood",i,flood,&config_f);
417 if (strcmp(Value,""))
419 strlcpy(c.host,Value,MAXBUF);
421 strlcpy(Value,"",MAXBUF);
422 ConfValue("connect","password",i,Value,&config_f);
423 strlcpy(c.pass,Value,MAXBUF);
424 c.registration_timeout = 90; // default is 2 minutes
425 c.flood = atoi(flood);
428 c.registration_timeout = atoi(timeout);
430 Classes.push_back(c);
431 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%d flood=%d",c.host,c.pass,c.registration_timeout,c.flood);
435 ConfValue("connect","deny",i,Value,&config_f);
436 strlcpy(c.host,Value,MAXBUF);
438 Classes.push_back(c);
439 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
443 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
444 read_xline_defaults();
445 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
447 log(DEFAULT,"Done reading configuration file, InspIRCd is now running.");
450 /* write formatted text to a socket, in same format as printf */
452 void Write(int sock,char *text, ...)
456 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
459 char textbuffer[MAXBUF];
463 va_start (argsPtr, text);
464 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
466 snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
470 write(sock,tb,strlen(tb));
474 /* write a server formatted numeric response to a single socket */
476 void WriteServ(int sock, char* text, ...)
480 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
483 char textbuffer[MAXBUF],tb[MAXBUF];
485 va_start (argsPtr, text);
487 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
489 snprintf(tb,MAXBUF,":%s %s\r\n",ServerName,textbuffer);
493 write(sock,tb,strlen(tb));
497 /* write text from an originating user to originating user */
499 void WriteFrom(int sock, userrec *user,char* text, ...)
501 if ((!text) || (!user))
503 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
506 char textbuffer[MAXBUF],tb[MAXBUF];
508 va_start (argsPtr, text);
510 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
512 snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
516 write(sock,tb,strlen(tb));
520 /* write text to an destination user from a source user (e.g. user privmsg) */
522 void WriteTo(userrec *source, userrec *dest,char *data, ...)
524 if ((!dest) || (!data))
526 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
529 char textbuffer[MAXBUF],tb[MAXBUF];
531 va_start (argsPtr, data);
532 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
536 // if no source given send it from the server.
539 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
543 WriteFrom(dest->fd,source,"%s",textbuffer);
547 /* write formatted text from a source user to all users on a channel
548 * including the sender (NOT for privmsg, notice etc!) */
550 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
552 if ((!Ptr) || (!user) || (!text))
554 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
557 char textbuffer[MAXBUF];
559 va_start (argsPtr, text);
560 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
562 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
564 if (has_channel(i->second,Ptr))
566 WriteTo(user,i->second,"%s",textbuffer);
571 /* write formatted text from a source user to all users on a channel
572 * including the sender (NOT for privmsg, notice etc!) doesnt send to
573 * users on remote servers */
575 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
577 if ((!Ptr) || (!text))
579 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
582 char textbuffer[MAXBUF];
584 va_start (argsPtr, text);
585 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
587 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
589 if (has_channel(i->second,Ptr))
591 if (i->second->fd != -1)
595 WriteServ(i->second->fd,"%s",textbuffer);
599 WriteTo(user,i->second,"%s",textbuffer);
607 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
609 if ((!Ptr) || (!user) || (!text))
611 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
614 char textbuffer[MAXBUF];
616 va_start (argsPtr, text);
617 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
619 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
623 if (has_channel(i->second,Ptr))
625 WriteServ(i->second->fd,"%s",textbuffer);
632 /* write formatted text from a source user to all users on a channel except
633 * for the sender (for privmsg etc) */
635 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
637 if ((!Ptr) || (!user) || (!text))
639 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
642 char textbuffer[MAXBUF];
644 va_start (argsPtr, text);
645 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
648 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
652 if (has_channel(i->second,Ptr) && (user != i->second))
654 WriteTo(user,i->second,"%s",textbuffer);
661 std::string GetServerDescription(char* servername)
663 for (int j = 0; j < 32; j++)
667 for (int k = 0; k < me[j]->connectors.size(); k++)
669 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
671 return me[j]->connectors[k].GetDescription();
675 return ServerDesc; // not a remote server that can be found, it must be me.
680 /* write a formatted string to all users who share at least one common
681 * channel, including the source user e.g. for use in NICK */
683 void WriteCommon(userrec *u, char* text, ...)
687 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
691 if (u->registered != 7) {
692 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
696 char textbuffer[MAXBUF];
698 va_start (argsPtr, text);
699 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
702 WriteFrom(u->fd,u,"%s",textbuffer);
704 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
708 if (common_channels(u,i->second) && (i->second != u))
710 WriteFrom(i->second->fd,u,"%s",textbuffer);
716 /* write a formatted string to all users who share at least one common
717 * channel, NOT including the source user e.g. for use in QUIT */
719 void WriteCommonExcept(userrec *u, char* text, ...)
723 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
727 if (u->registered != 7) {
728 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
732 char textbuffer[MAXBUF];
734 va_start (argsPtr, text);
735 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
738 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
742 if ((common_channels(u,i->second)) && (u != i->second))
744 WriteFrom(i->second->fd,u,"%s",textbuffer);
750 void WriteOpers(char* text, ...)
754 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
758 char textbuffer[MAXBUF];
760 va_start (argsPtr, text);
761 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
764 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
768 if (strchr(i->second->modes,'o'))
770 if (strchr(i->second->modes,'s'))
772 // send server notices to all with +s
773 // (TODO: needs SNOMASKs)
774 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
781 // returns TRUE of any users on channel C occupy server 'servername'.
783 bool ChanAnyOnThisServer(chanrec *c,char* servername)
785 log(DEBUG,"ChanAnyOnThisServer");
786 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
788 if (has_channel(i->second,c))
790 if (!strcasecmp(i->second->server,servername))
799 // returns true if user 'u' shares any common channels with any users on server 'servername'
801 bool CommonOnThisServer(userrec* u,const char* servername)
803 log(DEBUG,"ChanAnyOnThisServer");
804 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
806 if ((common_channels(u,i->second)) && (u != i->second))
808 if (!strcasecmp(i->second->server,servername))
810 log(DEBUG,"%s is common to %s sharing with %s",i->second->nick,servername,u->nick);
819 void NetSendToCommon(userrec* u, char* s)
822 snprintf(buffer,MAXBUF,"%s",s);
824 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
826 for (int j = 0; j < 32; j++)
830 for (int k = 0; k < me[j]->connectors.size(); k++)
832 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
834 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
842 void NetSendToAll(char* s)
845 snprintf(buffer,MAXBUF,"%s",s);
847 log(DEBUG,"NetSendToAll: '%s'",s);
849 for (int j = 0; j < 32; j++)
853 for (int k = 0; k < me[j]->connectors.size(); k++)
855 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
861 void NetSendToAllAlive(char* s)
864 snprintf(buffer,MAXBUF,"%s",s);
866 log(DEBUG,"NetSendToAllAlive: '%s'",s);
868 for (int j = 0; j < 32; j++)
872 for (int k = 0; k < me[j]->connectors.size(); k++)
874 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
876 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
880 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
888 void NetSendToOne(char* target,char* s)
891 snprintf(buffer,MAXBUF,"%s",s);
893 log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
895 for (int j = 0; j < 32; j++)
899 for (int k = 0; k < me[j]->connectors.size(); k++)
901 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
903 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
910 void NetSendToAllExcept(const char* target,char* s)
913 snprintf(buffer,MAXBUF,"%s",s);
915 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
917 for (int j = 0; j < 32; j++)
921 for (int k = 0; k < me[j]->connectors.size(); k++)
923 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
925 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
933 void WriteMode(const char* modes, int flags, const char* text, ...)
935 if ((!text) || (!modes) || (!flags))
937 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
941 char textbuffer[MAXBUF];
943 va_start (argsPtr, text);
944 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
947 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
951 bool send_to_user = false;
956 for (int n = 0; n < strlen(modes); n++)
958 if (!hasumode(i->second,modes[n]))
960 send_to_user = false;
965 else if (flags == WM_OR)
967 send_to_user = false;
968 for (int n = 0; n < strlen(modes); n++)
970 if (hasumode(i->second,modes[n]))
980 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
987 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
989 if ((!text) || (!source))
991 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
996 char textbuffer[MAXBUF];
998 va_start (argsPtr, text);
999 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1002 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1006 if (strchr(i->second->modes,'w'))
1008 WriteTo(source,i->second,"WALLOPS :%s",textbuffer);
1015 char buffer[MAXBUF];
1016 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
1017 NetSendToAll(buffer);
1021 /* convert a string to lowercase. Note following special circumstances
1022 * taken from RFC 1459. Many "official" server branches still hold to this
1023 * rule so i will too;
1025 * Because of IRC's scandanavian origin, the characters {}| are
1026 * considered to be the lower case equivalents of the characters []\,
1027 * respectively. This is a critical issue when determining the
1028 * equivalence of two nicknames.
1031 void strlower(char *n)
1037 for (int i = 0; i != strlen(n); i++)
1039 n[i] = tolower(n[i]);
1051 /* Find a user record by nickname and return a pointer to it */
1053 userrec* Find(std::string nick)
1055 user_hash::iterator iter = clientlist.find(nick);
1057 if (iter == clientlist.end())
1058 /* Couldn't find it */
1061 return iter->second;
1064 /* find a channel record by channel name and return a pointer to it */
1066 chanrec* FindChan(const char* chan)
1070 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1074 chan_hash::iterator iter = chanlist.find(chan);
1076 if (iter == chanlist.end())
1077 /* Couldn't find it */
1080 return iter->second;
1084 void purge_empty_chans(void)
1086 int go_again = 1, purge = 0;
1091 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1094 if (!usercount(i->second))
1096 /* kill the record */
1097 if (i != chanlist.end())
1099 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1100 if (i->second) delete i->second;
1109 log(DEBUG,"skipped purge for %s",i->second->name);
1114 log(DEBUG,"completed channel purge, killed %d",purge);
1118 char scratch[MAXBUF];
1119 char sparam[MAXBUF];
1121 char* chanmodes(chanrec *chan)
1125 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1132 if (chan->noexternal)
1134 strlcat(scratch,"n",MAXMODES);
1136 if (chan->topiclock)
1138 strlcat(scratch,"t",MAXMODES);
1140 if (strcmp(chan->key,""))
1142 strlcat(scratch,"k",MAXMODES);
1146 strlcat(scratch,"l",MAXMODES);
1148 if (chan->inviteonly)
1150 strlcat(scratch,"i",MAXMODES);
1152 if (chan->moderated)
1154 strlcat(scratch,"m",MAXMODES);
1158 strlcat(scratch,"s",MAXMODES);
1160 if (chan->c_private)
1162 strlcat(scratch,"p",MAXMODES);
1164 if (strcmp(chan->key,""))
1166 strlcat(sparam," ",MAXBUF);
1167 strlcat(sparam,chan->key,MAXBUF);
1172 sprintf(foo," %d",chan->limit);
1173 strlcat(sparam,foo,MAXBUF);
1175 if (strlen(chan->custom_modes))
1177 strlcat(scratch,chan->custom_modes,MAXMODES);
1178 for (int z = 0; z < strlen(chan->custom_modes); z++)
1180 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1183 strlcat(sparam," ",MAXBUF);
1184 strlcat(sparam,extparam.c_str(),MAXBUF);
1188 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1189 strlcat(scratch,sparam,MAXMODES);
1194 /* compile a userlist of a channel into a string, each nick seperated by
1195 * spaces and op, voice etc status shown as @ and + */
1197 void userlist(userrec *user,chanrec *c)
1199 if ((!c) || (!user))
1201 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1205 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1206 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1208 if (has_channel(i->second,c))
1210 if (isnick(i->second->nick))
1212 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1214 /* user is +i, and source not on the channel, does not show
1215 * nick in NAMES list */
1218 strlcat(list,cmode(i->second,c),MAXBUF);
1219 strlcat(list,i->second->nick,MAXBUF);
1220 strlcat(list," ",MAXBUF);
1221 if (strlen(list)>(480-NICKMAX))
1223 /* list overflowed into
1224 * multiple numerics */
1225 WriteServ(user->fd,"%s",list);
1226 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1231 /* if whats left in the list isnt empty, send it */ if (list[strlen(list)-1] != ':')
1233 WriteServ(user->fd,"%s",list);
1237 /* return a count of the users on a specific channel accounting for
1238 * invisible users who won't increase the count. e.g. for /LIST */
1240 int usercount_i(chanrec *c)
1247 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1252 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1256 if (has_channel(i->second,c))
1258 if (isnick(i->second->nick))
1260 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1262 /* user is +i, and source not on the channel, does not show
1263 * nick in NAMES list */
1271 log(DEBUG,"usercount_i: %s %d",c->name,count);
1276 int usercount(chanrec *c)
1283 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1288 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1292 if (has_channel(i->second,c))
1294 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1301 log(DEBUG,"usercount: %s %d",c->name,count);
1306 /* add a channel to a user, creating the record for it if needed and linking
1307 * it to the user record */
1309 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1311 if ((!user) || (!cn))
1313 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1322 strncpy(cname,cn,MAXBUF);
1324 // we MUST declare this wherever we use FOREACH_RESULT
1327 if (strlen(cname) > CHANMAX-1)
1329 cname[CHANMAX-1] = '\0';
1332 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1334 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1336 return NULL; // already on the channel!
1340 if (!FindChan(cname))
1343 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1344 if (MOD_RESULT == 1) {
1348 /* create a new one */
1349 log(DEBUG,"add_channel: creating: %s",cname);
1351 chanlist[cname] = new chanrec();
1353 strlcpy(chanlist[cname]->name, cname,CHANMAX);
1354 chanlist[cname]->topiclock = 1;
1355 chanlist[cname]->noexternal = 1;
1356 chanlist[cname]->created = time(NULL);
1357 strcpy(chanlist[cname]->topic, "");
1358 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1359 chanlist[cname]->topicset = 0;
1360 Ptr = chanlist[cname];
1361 log(DEBUG,"add_channel: created: %s",cname);
1362 /* set created to 2 to indicate user
1363 * is the first in the channel
1364 * and should be given ops */
1370 /* channel exists, just fish out a pointer to its struct */
1371 Ptr = FindChan(cname);
1374 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1376 // the override flag allows us to bypass channel modes
1377 // and bans (used by servers)
1381 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1382 if (MOD_RESULT == 1) {
1386 if (MOD_RESULT == 0)
1389 if (strcmp(Ptr->key,""))
1391 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1394 log(DEBUG,"add_channel: no key given in JOIN");
1395 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1400 log(DEBUG,"key at %p is %s",key,key);
1401 if (strcasecmp(key,Ptr->key))
1403 log(DEBUG,"add_channel: bad key given in JOIN");
1404 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1409 log(DEBUG,"add_channel: no key");
1411 if (Ptr->inviteonly)
1413 log(DEBUG,"add_channel: channel is +i");
1414 if (user->IsInvited(Ptr->name))
1416 /* user was invited to channel */
1417 /* there may be an optional channel NOTICE here */
1421 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1425 log(DEBUG,"add_channel: channel is not +i");
1429 if (usercount(Ptr) == Ptr->limit)
1431 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1436 log(DEBUG,"add_channel: about to walk banlist");
1438 /* check user against the channel banlist */
1441 if (Ptr->bans.size())
1443 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1445 if (match(user->GetFullHost(),i->data))
1447 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1454 log(DEBUG,"add_channel: bans checked");
1459 if ((Ptr) && (user))
1461 user->RemoveInvite(Ptr->name);
1464 log(DEBUG,"add_channel: invites removed");
1469 log(DEBUG,"Overridden checks");
1477 log(DEBUG,"Passed channel checks");
1479 for (int i =0; i != MAXCHANS; i++)
1481 log(DEBUG,"Check location %d",i);
1482 if (user->chans[i].channel == NULL)
1484 log(DEBUG,"Adding into their channel list at location %d",i);
1488 /* first user in is given ops */
1489 user->chans[i].uc_modes = UCMODE_OP;
1493 user->chans[i].uc_modes = 0;
1495 user->chans[i].channel = Ptr;
1496 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1498 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1500 // use the stamdard J token with no privilages.
1501 char buffer[MAXBUF];
1504 snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
1508 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
1510 NetSendToAll(buffer);
1513 log(DEBUG,"Sent JOIN to client");
1517 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1518 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1521 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1522 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1523 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1524 FOREACH_MOD OnUserJoin(user,Ptr);
1528 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1529 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1533 /* remove a channel from a users record, and remove the record from memory
1534 * if the channel has become empty */
1536 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1538 if ((!user) || (!cname))
1540 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1547 if ((!cname) || (!user))
1552 Ptr = FindChan(cname);
1559 FOREACH_MOD OnUserPart(user,Ptr);
1560 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1562 for (int i =0; i != MAXCHANS; i++)
1564 /* zap it from the channel list of the user */
1565 if (user->chans[i].channel == Ptr)
1569 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1573 char buffer[MAXBUF];
1574 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1575 NetSendToAll(buffer);
1584 char buffer[MAXBUF];
1585 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1586 NetSendToAll(buffer);
1589 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1591 user->chans[i].uc_modes = 0;
1592 user->chans[i].channel = NULL;
1593 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1598 /* if there are no users left on the channel */
1599 if (!usercount(Ptr))
1601 chan_hash::iterator iter = chanlist.find(Ptr->name);
1603 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1605 /* kill the record */
1606 if (iter != chanlist.end())
1608 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1609 if (iter->second) delete iter->second;
1610 chanlist.erase(iter);
1616 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1618 if ((!src) || (!user) || (!Ptr) || (!reason))
1620 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1627 if ((!Ptr) || (!user) || (!src))
1632 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1634 if (!has_channel(user,Ptr))
1636 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1641 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
1643 if (MOD_RESULT == ACR_DENY)
1646 if (MOD_RESULT == ACR_DEFAULT)
1648 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
1650 if (cstatus(src,Ptr) == STATUS_HOP)
1652 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1656 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1663 for (int i =0; i != MAXCHANS; i++)
1665 /* zap it from the channel list of the user */
1666 if (user->chans[i].channel)
1667 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1669 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1670 user->chans[i].uc_modes = 0;
1671 user->chans[i].channel = NULL;
1672 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1677 /* if there are no users left on the channel */
1678 if (!usercount(Ptr))
1680 chan_hash::iterator iter = chanlist.find(Ptr->name);
1682 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1684 /* kill the record */
1685 if (iter != chanlist.end())
1687 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1688 if (iter->second) delete iter->second;
1689 chanlist.erase(iter);
1697 /* This function pokes and hacks at a parameter list like the following:
1699 * PART #winbot,#darkgalaxy :m00!
1701 * to turn it into a series of individual calls like this:
1703 * PART #winbot :m00!
1704 * PART #darkgalaxy :m00!
1706 * The seperate calls are sent to a callback function provided by the caller
1707 * (the caller will usually call itself recursively). The callback function
1708 * must be a command handler. Calling this function on a line with no list causes
1709 * no action to be taken. You must provide a starting and ending parameter number
1710 * where the range of the list can be found, useful if you have a terminating
1711 * parameter as above which is actually not part of the list, or parameters
1712 * before the actual list as well. This code is used by many functions which
1713 * can function as "one to list" (see the RFC) */
1715 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
1720 char blog[32][MAXBUF];
1721 char blog2[32][MAXBUF];
1722 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
1723 char keystr[MAXBUF];
1726 for (int i = 0; i <32; i++)
1729 for (int i = 0; i <32; i++)
1730 strcpy(blog2[i],"");
1733 for (int i = 0; i <10; i++)
1737 parameters[i] = moo;
1742 if (pcnt > 1) /* we have a key to copy */
1744 strlcpy(keystr,parameters[1],MAXBUF);
1748 if (!parameters[start])
1752 if (!strchr(parameters[start],','))
1757 for (int i = start; i <= end; i++)
1761 strlcat(plist,parameters[i],MAXBUF);
1769 for (int i = 0; i < t; i++)
1771 if (plist[i] == ',')
1774 strlcpy(blog[j++],param,MAXBUF);
1778 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
1783 strlcpy(blog[j++],param,MAXBUF);
1786 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
1791 if ((joins) && (keystr))
1793 if (strchr(keystr,','))
1797 t2 = strlen(keystr);
1798 for (int i = 0; i < t2; i++)
1800 if (keystr[i] == ',')
1803 strlcpy(blog2[j++],param,MAXBUF);
1807 strlcpy(blog2[j++],param,MAXBUF);
1812 for (j = 0; j < total; j++)
1818 for (q = end; q < pcnt-1; q++)
1820 if (parameters[q+1])
1822 pars[q-end+1] = parameters[q+1];
1825 if ((joins) && (parameters[1]))
1836 /* repeatedly call the function with the hacked parameter list */
1837 if ((joins) && (pcnt > 1))
1841 // pars[1] already set up and containing key from blog2[j]
1846 pars[1] = parameters[1];
1852 fn(pars,pcnt-(end-start),u);
1861 void kill_link(userrec *user,const char* r)
1863 user_hash::iterator iter = clientlist.find(user->nick);
1865 char reason[MAXBUF];
1867 strncpy(reason,r,MAXBUF);
1869 if (strlen(reason)>MAXQUIT)
1871 reason[MAXQUIT-1] = '\0';
1874 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1875 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1876 log(DEBUG,"closing fd %d",user->fd);
1878 /* bugfix, cant close() a nonblocking socket (sux!) */
1879 if (user->registered == 7) {
1880 FOREACH_MOD OnUserQuit(user);
1881 WriteCommonExcept(user,"QUIT :%s",reason);
1883 // Q token must go to ALL servers!!!
1884 char buffer[MAXBUF];
1885 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1886 NetSendToAll(buffer);
1889 /* push the socket on a stack of sockets due to be closed at the next opportunity
1890 * 'Client exited' is an exception to this as it means the client side has already
1891 * closed the socket, we don't need to do it.
1893 fd_reap.push_back(user->fd);
1895 bool do_purge = false;
1897 if (user->registered == 7) {
1898 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1902 if (iter != clientlist.end())
1904 log(DEBUG,"deleting user hash value %d",iter->second);
1905 if ((iter->second) && (user->registered == 7)) {
1906 if (iter->second) delete iter->second;
1908 clientlist.erase(iter);
1911 if (user->registered == 7) {
1912 purge_empty_chans();
1917 void kill_link_silent(userrec *user,const char* r)
1919 user_hash::iterator iter = clientlist.find(user->nick);
1921 char reason[MAXBUF];
1923 strncpy(reason,r,MAXBUF);
1925 if (strlen(reason)>MAXQUIT)
1927 reason[MAXQUIT-1] = '\0';
1930 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1931 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1932 log(DEBUG,"closing fd %d",user->fd);
1934 /* bugfix, cant close() a nonblocking socket (sux!) */
1935 if (user->registered == 7) {
1936 FOREACH_MOD OnUserQuit(user);
1937 WriteCommonExcept(user,"QUIT :%s",reason);
1939 // Q token must go to ALL servers!!!
1940 char buffer[MAXBUF];
1941 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1942 NetSendToAll(buffer);
1945 /* push the socket on a stack of sockets due to be closed at the next opportunity
1946 * 'Client exited' is an exception to this as it means the client side has already
1947 * closed the socket, we don't need to do it.
1949 fd_reap.push_back(user->fd);
1951 bool do_purge = false;
1953 if (iter != clientlist.end())
1955 log(DEBUG,"deleting user hash value %d",iter->second);
1956 if ((iter->second) && (user->registered == 7)) {
1957 if (iter->second) delete iter->second;
1959 clientlist.erase(iter);
1962 if (user->registered == 7) {
1963 purge_empty_chans();
1969 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1971 char* Passwd(userrec *user)
1973 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1975 if (match(user->host,i->host) && (i->type == CC_ALLOW))
1983 bool IsDenied(userrec *user)
1985 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1987 if (match(user->host,i->host) && (i->type == CC_DENY))
1998 /* sends out an error notice to all connected clients (not to be used
2001 void send_error(char *s)
2003 log(DEBUG,"send_error: %s",s);
2004 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2006 if (isnick(i->second->nick))
2008 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
2012 // fix - unregistered connections receive ERROR, not NOTICE
2013 Write(i->second->fd,"ERROR :%s",s);
2018 void Error(int status)
2020 signal (SIGALRM, SIG_IGN);
2021 signal (SIGPIPE, SIG_IGN);
2022 signal (SIGTERM, SIG_IGN);
2023 signal (SIGABRT, SIG_IGN);
2024 signal (SIGSEGV, SIG_IGN);
2025 signal (SIGURG, SIG_IGN);
2026 signal (SIGKILL, SIG_IGN);
2027 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
2028 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
2033 int main(int argc, char **argv)
2037 log(DEBUG,"*** InspIRCd starting up!");
2038 if (!FileExists(CONFIG_FILE))
2040 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
2041 log(DEBUG,"main: no config");
2042 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
2046 for (int i = 1; i < argc; i++)
2048 if (!strcmp(argv[i],"-nofork")) {
2051 if (!strcmp(argv[i],"-wait")) {
2056 strlcpy(MyExecutable,argv[0],MAXBUF);
2058 if (InspIRCd() == ERROR)
2060 log(DEBUG,"main: daemon function bailed");
2061 printf("ERROR: could not initialise. Shutting down.\n");
2068 template<typename T> inline string ConvToStr(const T &in)
2071 if (!(tmp << in)) return string();
2075 /* re-allocates a nick in the user_hash after they change nicknames,
2076 * returns a pointer to the new user as it may have moved */
2078 userrec* ReHashNick(char* Old, char* New)
2080 user_hash::iterator newnick;
2081 user_hash::iterator oldnick = clientlist.find(Old);
2083 log(DEBUG,"ReHashNick: %s %s",Old,New);
2085 if (!strcasecmp(Old,New))
2087 log(DEBUG,"old nick is new nick, skipping");
2088 return oldnick->second;
2091 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
2093 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
2095 clientlist[New] = new userrec();
2096 clientlist[New] = oldnick->second;
2097 clientlist.erase(oldnick);
2099 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
2101 return clientlist[New];
2104 /* adds or updates an entry in the whowas list */
2105 void AddWhoWas(userrec* u)
2107 user_hash::iterator iter = whowas.find(u->nick);
2108 userrec *a = new userrec();
2109 strlcpy(a->nick,u->nick,NICKMAX);
2110 strlcpy(a->ident,u->ident,64);
2111 strlcpy(a->dhost,u->dhost,256);
2112 strlcpy(a->host,u->host,256);
2113 strlcpy(a->fullname,u->fullname,128);
2114 strlcpy(a->server,u->server,256);
2115 a->signon = u->signon;
2117 /* MAX_WHOWAS: max number of /WHOWAS items
2118 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
2119 * can be replaced by a newer one
2122 if (iter == whowas.end())
2124 if (whowas.size() == WHOWAS_MAX)
2126 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
2128 // 3600 seconds in an hour ;)
2129 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
2131 if (i->second) delete i->second;
2133 log(DEBUG,"added WHOWAS entry, purged an old record");
2140 log(DEBUG,"added fresh WHOWAS entry");
2141 whowas[a->nick] = a;
2146 log(DEBUG,"updated WHOWAS entry");
2147 if (iter->second) delete iter->second;
2153 /* add a client connection to the sockets list */
2154 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
2158 char resolved[MAXBUF];
2161 user_hash::iterator iter;
2163 tempnick = ConvToStr(socket) + "-unknown";
2164 sprintf(tn2,"%d-unknown",socket);
2166 iter = clientlist.find(tempnick);
2168 if (iter != clientlist.end()) return;
2171 * It is OK to access the value here this way since we know
2172 * it exists, we just created it above.
2174 * At NO other time should you access a value in a map or a
2175 * hash_map this way.
2177 clientlist[tempnick] = new userrec();
2179 NonBlocking(socket);
2180 log(DEBUG,"AddClient: %d %s %d %s",socket,host,port,ip);
2182 clientlist[tempnick]->fd = socket;
2183 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
2184 strncpy(clientlist[tempnick]->host, host,160);
2185 strncpy(clientlist[tempnick]->dhost, host,160);
2186 strncpy(clientlist[tempnick]->server, ServerName,256);
2187 strncpy(clientlist[tempnick]->ident, "unknown",9);
2188 clientlist[tempnick]->registered = 0;
2189 clientlist[tempnick]->signon = time(NULL)+dns_timeout;
2190 clientlist[tempnick]->nping = time(NULL)+240+dns_timeout;
2191 clientlist[tempnick]->lastping = 1;
2192 clientlist[tempnick]->port = port;
2193 strncpy(clientlist[tempnick]->ip,ip,32);
2195 // set the registration timeout for this user
2196 unsigned long class_regtimeout = 90;
2197 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2199 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
2201 class_regtimeout = (unsigned long)i->registration_timeout;
2206 int class_flood = 0;
2207 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2209 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
2211 class_flood = i->flood;
2216 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
2217 clientlist[tempnick]->flood = class_flood;
2219 for (int i = 0; i < MAXCHANS; i++)
2221 clientlist[tempnick]->chans[i].channel = NULL;
2222 clientlist[tempnick]->chans[i].uc_modes = 0;
2225 if (clientlist.size() == MAXCLIENTS)
2226 kill_link(clientlist[tempnick],"No more connections allowed in this class");
2228 char* r = matches_zline(ip);
2231 char reason[MAXBUF];
2232 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
2233 kill_link(clientlist[tempnick],reason);
2240 return clientlist.size();
2244 int usercount_invisible(void)
2248 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2250 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
2255 int usercount_opers(void)
2259 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2261 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
2266 int usercount_unknown(void)
2270 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2272 if ((i->second->fd) && (i->second->registered != 7))
2278 long chancount(void)
2280 return chanlist.size();
2283 long count_servs(void)
2286 //for (int j = 0; j < 255; j++)
2288 // if (servers[j] != NULL)
2294 long servercount(void)
2296 return count_servs()+1;
2302 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2304 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
2310 void ShowMOTD(userrec *user)
2314 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
2317 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
2318 for (int i = 0; i != MOTD.size(); i++)
2320 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
2322 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
2325 void ShowRULES(userrec *user)
2329 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
2332 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
2333 for (int i = 0; i != RULES.size(); i++)
2335 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
2337 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
2340 /* shows the message of the day, and any other on-logon stuff */
2341 void FullConnectUser(userrec* user)
2343 user->registered = 7;
2344 user->idle_lastmsg = time(NULL);
2345 log(DEBUG,"ConnectUser: %s",user->nick);
2347 if (strcmp(Passwd(user),"") && (!user->haspassed))
2349 kill_link(user,"Invalid password");
2354 kill_link(user,"Unauthorised connection");
2358 char match_against[MAXBUF];
2359 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
2360 char* r = matches_gline(match_against);
2363 char reason[MAXBUF];
2364 snprintf(reason,MAXBUF,"G-Lined: %s",r);
2365 kill_link_silent(user,reason);
2369 r = matches_kline(user->host);
2372 char reason[MAXBUF];
2373 snprintf(reason,MAXBUF,"K-Lined: %s",r);
2374 kill_link_silent(user,reason);
2378 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
2379 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
2380 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
2381 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
2382 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
2383 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
2384 std::stringstream v;
2385 v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
2386 v << " MAXBANS=60 NICKLEN=" << NICKMAX;
2387 v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
2388 v << std::string(Network);
2389 std::string data005 = v.str();
2390 FOREACH_MOD On005Numeric(data005);
2391 // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
2392 // so i'd better split it :)
2393 std::stringstream out(data005);
2394 std::string token = "";
2395 std::string line5 = "";
2396 int token_counter = 0;
2400 line5 = line5 + token + " ";
2402 if ((token_counter >= 13) || (out.eof() == true))
2404 WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
2410 FOREACH_MOD OnUserConnect(user);
2411 WriteOpers("*** Client connecting on port %d: %s!%s@%s [%s]",user->port,user->nick,user->ident,user->host,user->ip);
2413 char buffer[MAXBUF];
2414 snprintf(buffer,MAXBUF,"N %d %s %s %s %s +%s %s %s :%s",user->age,user->nick,user->host,user->dhost,user->ident,user->modes,user->ip,ServerName,user->fullname);
2415 NetSendToAll(buffer);
2418 /* shows the message of the day, and any other on-logon stuff */
2419 void ConnectUser(userrec *user)
2421 // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
2422 if ((user->dns_done) && (user->registered >= 3))
2424 FullConnectUser(user);
2428 void handle_version(char **parameters, int pcnt, userrec *user)
2430 char Revision[] = "$Revision$";
2432 char *s1 = Revision;
2434 char *v1 = strtok_r(s1," ",&savept);
2436 char *v2 = strtok_r(s1," ",&savept);
2439 WriteServ(user->fd,"351 %s :%s Rev. %s %s :%s (O=%d)",user->nick,VERSION,v2,ServerName,SYSTEM,OPTIMISATION);
2443 // calls a handler function for a command
2445 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
2447 for (int i = 0; i < cmdlist.size(); i++)
2449 if (!strcasecmp(cmdlist[i].command,commandname))
2451 if (cmdlist[i].handler_function)
2453 if (pcnt>=cmdlist[i].min_params)
2455 if (strchr(user->modes,cmdlist[i].flags_needed))
2457 cmdlist[i].handler_function(parameters,pcnt,user);
2465 void DoSplitEveryone()
2467 bool go_again = true;
2471 for (int i = 0; i < 32; i++)
2475 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2477 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2480 j->CloseConnection();
2481 me[i]->connectors.erase(j);
2489 log(DEBUG,"Removed server. Will remove clients...");
2490 // iterate through the userlist and remove all users on this server.
2491 // because we're dealing with a mesh, we dont have to deal with anything
2492 // "down-route" from this server (nice huh)
2494 char reason[MAXBUF];
2498 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2500 if (strcasecmp(u->second->server,ServerName))
2502 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
2503 kill_link(u->second,reason);
2513 char islast(const char* s)
2516 for (int j = 0; j < 32; j++)
2520 for (int k = 0; k < me[j]->connectors.size(); k++)
2522 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2526 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2536 long map_count(const char* s)
2539 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2541 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
2547 void force_nickchange(userrec* user,const char* newnick)
2554 FOREACH_RESULT(OnUserPreNick(user,newnick));
2556 kill_link(user,"Nickname collision");
2559 if (matches_qline(newnick))
2561 kill_link(user,"Nickname collision");
2569 strncpy(nick,newnick,MAXBUF);
2571 if (user->registered == 7)
2575 handle_nick(pars,1,user);
2581 int process_parameters(char **command_p,char *parameters)
2586 q = strlen(parameters);
2589 /* no parameters, command_p invalid! */
2592 if (parameters[0] == ':')
2594 command_p[0] = parameters+1;
2599 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
2601 /* only one parameter */
2602 command_p[0] = parameters;
2603 if (parameters[0] == ':')
2605 if (strchr(parameters,' ') != NULL)
2613 command_p[j++] = parameters;
2614 for (int i = 0; i <= q; i++)
2616 if (parameters[i] == ' ')
2618 command_p[j++] = parameters+i+1;
2619 parameters[i] = '\0';
2620 if (command_p[j-1][0] == ':')
2622 *command_p[j-1]++; /* remove dodgy ":" */
2624 /* parameter like this marks end of the sequence */
2628 return j; /* returns total number of items in the list */
2631 void process_command(userrec *user, char* cmd)
2635 char *command_p[127];
2636 char p[MAXBUF], temp[MAXBUF];
2637 int i, j, items, cmd_found;
2639 for (int i = 0; i < 127; i++)
2640 command_p[i] = NULL;
2650 if (!strcmp(cmd,""))
2655 int total_params = 0;
2658 for (int q = 0; q < strlen(cmd)-1; q++)
2660 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
2663 // found a 'trailing', we dont count them after this.
2671 // another phidjit bug...
2672 if (total_params > 126)
2674 //kill_link(user,"Protocol violation (1)");
2675 WriteServ(user->fd,"421 %s * :Unknown command",user->nick);
2679 strlcpy(temp,cmd,MAXBUF);
2681 std::string tmp = cmd;
2682 for (int i = 0; i <= MODCOUNT; i++)
2684 std::string oldtmp = tmp;
2685 modules[i]->OnServerRaw(tmp,true,user);
2688 log(DEBUG,"A Module changed the input string!");
2689 log(DEBUG,"New string: %s",tmp.c_str());
2690 log(DEBUG,"Old string: %s",oldtmp.c_str());
2694 strlcpy(cmd,tmp.c_str(),MAXBUF);
2695 strlcpy(temp,cmd,MAXBUF);
2697 if (!strchr(cmd,' '))
2699 /* no parameters, lets skip the formalities and not chop up
2701 log(DEBUG,"About to preprocess command with no params");
2703 command_p[0] = NULL;
2705 for (int i = 0; i <= strlen(cmd); i++)
2707 cmd[i] = toupper(cmd[i]);
2709 log(DEBUG,"Preprocess done length=%d",strlen(cmd));
2716 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
2717 for (int i = 0; i < strlen(temp); i++)
2719 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
2725 /* split the full string into a command plus parameters */
2729 if (strchr(cmd,' '))
2731 for (int i = 0; i <= strlen(cmd); i++)
2733 /* capitalise the command ONLY, leave params intact */
2734 cmd[i] = toupper(cmd[i]);
2735 /* are we nearly there yet?! :P */
2739 parameters = cmd+i+1;
2747 for (int i = 0; i <= strlen(cmd); i++)
2749 cmd[i] = toupper(cmd[i]);
2756 if (strlen(command)>MAXCOMMAND)
2758 //kill_link(user,"Protocol violation (2)");
2759 WriteServ(user->fd,"421 %s * :Unknown command",user->nick);
2763 for (int x = 0; x < strlen(command); x++)
2765 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
2767 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
2769 if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
2771 //kill_link(user,"Protocol violation (3)");
2772 WriteServ(user->fd,"421 %s * :Unknown command",user->nick);
2779 for (int i = 0; i != cmdlist.size(); i++)
2781 if (strcmp(cmdlist[i].command,""))
2783 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
2785 log(DEBUG,"Found matching command");
2789 if (strcmp(parameters,""))
2791 items = process_parameters(command_p,parameters);
2796 command_p[0] = NULL;
2802 command_p[0] = NULL;
2807 log(DEBUG,"Processing command");
2809 /* activity resets the ping pending timer */
2810 user->nping = time(NULL) + 120;
2811 if ((items) < cmdlist[i].min_params)
2813 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
2814 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
2817 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
2819 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2820 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
2824 if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
2826 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2827 WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
2831 /* if the command isnt USER, PASS, or NICK, and nick is empty,
2833 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
2835 if ((!isnick(user->nick)) || (user->registered != 7))
2837 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2838 WriteServ(user->fd,"451 %s :You have not registered",command);
2842 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
2844 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
2845 if (cmdlist[i].handler_function)
2847 /* ikky /stats counters */
2852 user->bytes_in += strlen(temp);
2854 user->bytes_out+=strlen(temp);
2857 cmdlist[i].use_count++;
2858 cmdlist[i].total_bytes+=strlen(temp);
2861 /* WARNING: nothing may come after the
2862 * command handler call, as the handler
2863 * may free the user structure! */
2865 cmdlist[i].handler_function(command_p,items,user);
2871 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2872 WriteServ(user->fd,"451 %s :You have not registered",command);
2880 if ((!cmd_found) && (user))
2882 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
2883 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2888 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
2891 /* create the command and push it onto the table */
2892 strlcpy(comm.command,cmd,MAXBUF);
2893 comm.handler_function = f;
2894 comm.flags_needed = flags;
2895 comm.min_params = minparams;
2897 comm.total_bytes = 0;
2898 cmdlist.push_back(comm);
2899 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
2902 void SetupCommandTable(void)
2904 createcommand("USER",handle_user,0,4);
2905 createcommand("NICK",handle_nick,0,1);
2906 createcommand("QUIT",handle_quit,0,0);
2907 createcommand("VERSION",handle_version,0,0);
2908 createcommand("PING",handle_ping,0,1);
2909 createcommand("PONG",handle_pong,0,1);
2910 createcommand("ADMIN",handle_admin,0,0);
2911 createcommand("PRIVMSG",handle_privmsg,0,2);
2912 createcommand("INFO",handle_info,0,0);
2913 createcommand("TIME",handle_time,0,0);
2914 createcommand("WHOIS",handle_whois,0,1);
2915 createcommand("WALLOPS",handle_wallops,'o',1);
2916 createcommand("NOTICE",handle_notice,0,2);
2917 createcommand("JOIN",handle_join,0,1);
2918 createcommand("NAMES",handle_names,0,1);
2919 createcommand("PART",handle_part,0,1);
2920 createcommand("KICK",handle_kick,0,2);
2921 createcommand("MODE",handle_mode,0,1);
2922 createcommand("TOPIC",handle_topic,0,1);
2923 createcommand("WHO",handle_who,0,1);
2924 createcommand("MOTD",handle_motd,0,0);
2925 createcommand("RULES",handle_rules,0,0);
2926 createcommand("OPER",handle_oper,0,2);
2927 createcommand("LIST",handle_list,0,0);
2928 createcommand("DIE",handle_die,'o',1);
2929 createcommand("RESTART",handle_restart,'o',1);
2930 createcommand("KILL",handle_kill,'o',2);
2931 createcommand("REHASH",handle_rehash,'o',0);
2932 createcommand("LUSERS",handle_lusers,0,0);
2933 createcommand("STATS",handle_stats,0,1);
2934 createcommand("USERHOST",handle_userhost,0,1);
2935 createcommand("AWAY",handle_away,0,0);
2936 createcommand("ISON",handle_ison,0,0);
2937 createcommand("SUMMON",handle_summon,0,0);
2938 createcommand("USERS",handle_users,0,0);
2939 createcommand("INVITE",handle_invite,0,2);
2940 createcommand("PASS",handle_pass,0,1);
2941 createcommand("TRACE",handle_trace,'o',0);
2942 createcommand("WHOWAS",handle_whowas,0,1);
2943 createcommand("CONNECT",handle_connect,'o',1);
2944 createcommand("SQUIT",handle_squit,'o',0);
2945 createcommand("MODULES",handle_modules,'o',0);
2946 createcommand("LINKS",handle_links,0,0);
2947 createcommand("MAP",handle_map,0,0);
2948 createcommand("KLINE",handle_kline,'o',1);
2949 createcommand("GLINE",handle_gline,'o',1);
2950 createcommand("ZLINE",handle_zline,'o',1);
2951 createcommand("QLINE",handle_qline,'o',1);
2952 createcommand("SERVER",handle_server,0,0);
2955 void process_buffer(const char* cmdbuf,userrec *user)
2959 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2966 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2969 if (!strcmp(cmdbuf,""))
2973 while ((cmdbuf[0] == ' ') && (strlen(cmdbuf)>0)) cmdbuf++; // strip leading spaces
2975 strlcpy(cmd,cmdbuf,MAXBUF);
2976 if (!strcmp(cmd,""))
2980 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
2982 cmd[strlen(cmd)-1] = '\0';
2984 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
2986 cmd[strlen(cmd)-1] = '\0';
2989 while ((cmd[strlen(cmd)-1] == ' ') && (strlen(cmd)>0)) // strip trailing spaces
2991 cmd[strlen(cmd)-1] = '\0';
2994 if (!strcmp(cmd,""))
2998 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
3000 if ((user) && (cmd))
3002 process_command(user,cmd);
3006 void DoSync(serverrec* serv, char* tcp_host)
3009 log(DEBUG,"Sending sync");
3010 // send start of sync marker: Y <timestamp>
3011 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
3012 // except the ones its receiving it from.
3013 snprintf(data,MAXBUF,"Y %d",time(NULL));
3014 serv->SendPacket(data,tcp_host);
3015 // send users and channels
3016 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
3018 snprintf(data,MAXBUF,"N %d %s %s %s %s +%s %s %s :%s",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);
3019 serv->SendPacket(data,tcp_host);
3020 if (strchr(u->second->modes,'o'))
3022 snprintf(data,MAXBUF,"| %s %s",u->second->nick,u->second->oper);
3023 serv->SendPacket(data,tcp_host);
3025 for (int i = 0; i <= MODCOUNT; i++)
3027 string_list l = modules[i]->OnUserSync(u->second);
3028 for (int j = 0; j < l.size(); j++)
3030 strlcpy(data,l[j].c_str(),MAXBUF);
3031 serv->SendPacket(data,tcp_host);
3034 if (strcmp(chlist(u->second),""))
3036 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chlist(u->second));
3037 serv->SendPacket(data,tcp_host);
3040 // send channel modes, topics etc...
3041 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
3043 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
3044 serv->SendPacket(data,tcp_host);
3045 for (int i = 0; i <= MODCOUNT; i++)
3047 string_list l = modules[i]->OnChannelSync(c->second);
3048 for (int j = 0; j < l.size(); j++)
3050 strlcpy(data,l[j].c_str(),MAXBUF);
3051 serv->SendPacket(data,tcp_host);
3054 if (strcmp(c->second->topic,""))
3056 snprintf(data,MAXBUF,"T %d %s %s :%s",c->second->topicset,c->second->setby,c->second->name,c->second->topic);
3057 serv->SendPacket(data,tcp_host);
3059 // send current banlist
3061 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
3063 snprintf(data,MAXBUF,"M %s +b %s",b->set_time,c->second->name,b->data);
3064 serv->SendPacket(data,tcp_host);
3067 // sync global zlines, glines, etc
3068 sync_xlines(serv,tcp_host);
3070 for (int j = 0; j < 32; j++)
3074 for (int k = 0; k < me[j]->connectors.size(); k++)
3076 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
3078 snprintf(data,MAXBUF,"H %s",me[j]->connectors[k].GetServerName().c_str());
3079 serv->SendPacket(data,tcp_host);
3080 NetSendMyRoutingTable();
3086 snprintf(data,MAXBUF,"F %d",time(NULL));
3087 serv->SendPacket(data,tcp_host);
3088 log(DEBUG,"Sent sync");
3089 // ircd sends its serverlist after the end of sync here
3093 void NetSendMyRoutingTable()
3095 // send out a line saying what is reachable to us.
3096 // E.g. if A is linked to B C and D, send out:
3098 // if its only linked to B and D send out:
3100 // if it has no links, dont even send out the line at all.
3101 char buffer[MAXBUF];
3102 snprintf(buffer,MAXBUF,"$ %s",ServerName);
3103 bool sendit = false;
3104 for (int i = 0; i < 32; i++)
3108 for (int j = 0; j < me[i]->connectors.size(); j++)
3110 if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
3112 strlcat(buffer," ",MAXBUF);
3113 strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
3120 NetSendToAll(buffer);
3124 void DoSplit(const char* params)
3126 bool go_again = true;
3130 for (int i = 0; i < 32; i++)
3134 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3136 if (!strcasecmp(j->GetServerName().c_str(),params))
3139 j->CloseConnection();
3140 me[i]->connectors.erase(j);
3148 log(DEBUG,"Removed server. Will remove clients...");
3149 // iterate through the userlist and remove all users on this server.
3150 // because we're dealing with a mesh, we dont have to deal with anything
3151 // "down-route" from this server (nice huh)
3153 char reason[MAXBUF];
3154 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
3158 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
3160 if (!strcasecmp(u->second->server,params))
3162 kill_link(u->second,reason);
3170 // removes a server. Will NOT remove its users!
3172 void RemoveServer(const char* name)
3174 bool go_again = true;
3178 for (int i = 0; i < 32; i++)
3182 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3184 if (!strcasecmp(j->GetServerName().c_str(),name))
3187 j->CloseConnection();
3188 me[i]->connectors.erase(j);
3199 int reap_counter = 0;
3203 struct sockaddr_in client,server;
3204 char addrs[MAXBUF][255];
3205 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
3208 int selectResult = 0, selectResult2 = 0;
3209 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
3210 char resolvedHost[MAXBUF];
3214 log_file = fopen("ircd.log","a+");
3217 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
3221 log(DEBUG,"InspIRCd: startup: begin");
3225 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
3227 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
3229 SetupCommandTable();
3230 log(DEBUG,"InspIRCd: startup: default command table set up");
3232 ReadConfig(true,NULL);
3233 if (strcmp(DieValue,""))
3235 printf("WARNING: %s\n\n",DieValue);
3238 log(DEBUG,"InspIRCd: startup: read config");
3240 int count2 = 0, count3 = 0;
3242 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
3244 ConfValue("bind","port",count,configToken,&config_f);
3245 ConfValue("bind","address",count,Addr,&config_f);
3246 ConfValue("bind","type",count,Type,&config_f);
3247 if (!strcmp(Type,"servers"))
3249 char Default[MAXBUF];
3250 strcpy(Default,"no");
3251 ConfValue("bind","default",count,Default,&config_f);
3252 if (strchr(Default,'y'))
3254 defaultRoute = count3;
3255 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
3257 me[count3] = new serverrec(ServerName,100L,false);
3258 if (!me[count3]->CreateListener(Addr,atoi(configToken)))
3260 log(DEFAULT,"Error! Failed to bind port %d",atoi(configToken));
3269 ports[count2] = atoi(configToken);
3270 strlcpy(addrs[count2],Addr,256);
3273 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
3276 UDPportCount = count3;
3278 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
3280 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
3284 /* BugFix By Craig! :p */
3286 for (count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
3288 char modfile[MAXBUF];
3289 ConfValue("module","name",count2,configToken,&config_f);
3290 snprintf(modfile,MAXBUF,"%s/%s",MOD_PATH,configToken,&config_f);
3291 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
3292 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
3293 /* If The File Doesnt exist, Trying to load it
3294 * Will Segfault the IRCd.. So, check to see if
3295 * it Exists, Before Proceeding. */
3296 if (FileExists(modfile))
3298 factory[count] = new ircd_module(modfile);
3299 if (factory[count]->LastError())
3301 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
3302 printf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
3305 if (factory[count]->factory)
3307 modules[count] = factory[count]->factory->CreateModule();
3308 /* save the module and the module's classfactory, if
3309 * this isnt done, random crashes can occur :/ */
3310 module_names.push_back(modfile);
3314 log(DEBUG,"Unable to load %s",modfile);
3315 printf("Unable to load %s\nExiting...\n",modfile);
3318 /* Increase the Count */
3323 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
3324 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
3327 MODCOUNT = count - 1;
3328 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
3330 printf("\nInspIRCd is now running!\n");
3332 startup_time = time(NULL);
3336 log(VERBOSE,"Not forking as -nofork was specified");
3340 if (DaemonSeed() == ERROR)
3342 log(DEBUG,"InspIRCd: startup: can't daemonise");
3343 printf("ERROR: could not go into daemon mode. Shutting down.\n");
3349 ConfValue("pid","file",0,PID,&config_f);
3353 /* setup select call */
3354 FD_ZERO(&selectFds);
3355 log(DEBUG,"InspIRCd: startup: zero selects");
3356 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
3358 for (count = 0; count < portCount; count++)
3360 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
3362 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
3365 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
3367 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
3369 else /* well we at least bound to one socket so we'll continue */
3375 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
3377 /* if we didn't bind to anything then abort */
3378 if (boundPortCount == 0)
3380 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
3385 length = sizeof (client);
3386 char udp_msg[MAXBUF], tcp_host[MAXBUF];
3388 /* main loop, this never returns */
3391 #ifdef _POSIX_PRIORITY_SCHEDULING
3401 user_hash::iterator count2 = clientlist.begin();
3403 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
3404 // them in a list, then reap the list every second or so.
3405 if ((reap_counter % 50) == 0)
3407 // These functions eat cpu, and should not be done so often!
3409 // update the status of klines, etc
3411 #ifdef _POSIX_PRIORITY_SCHEDULING
3415 if (reap_counter>300)
3417 if (fd_reap.size() > 0)
3419 for( int n = 0; n < fd_reap.size(); n++)
3421 //Blocking(fd_reap[n]);
3423 shutdown (fd_reap[n],2);
3424 //NonBlocking(fd_reap[n]);
3433 FD_ZERO(&serverfds);
3436 for (int x = 0; x != UDPportCount; x++)
3439 FD_SET(me[x]->fd, &serverfds);
3445 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
3448 for (int x = 0; x != UDPportCount; x++)
3450 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
3452 char remotehost[MAXBUF],resolved[MAXBUF];
3453 length = sizeof (client);
3454 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
3455 strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
3456 if(CleanAndResolve(resolved, remotehost) != TRUE)
3458 strlcpy(resolved,remotehost,MAXBUF);
3460 // add to this connections ircd_connector vector
3461 // *FIX* - we need the LOCAL port not the remote port in &client!
3462 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
3467 for (int x = 0; x < UDPportCount; x++)
3469 std::deque<std::string> msgs;
3471 if ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host)))
3473 for (int ctr = 0; ctr < msgs.size(); ctr++)
3475 char udp_msg[MAXBUF];
3476 strlcpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
3477 if (strlen(udp_msg)<1)
3479 log(DEBUG,"Invalid string from %s [route%d]",tcp_host,x);
3482 // during a netburst, send all data to all other linked servers
3483 if ((((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))) || (is_uline(tcp_host)))
3485 if (is_uline(tcp_host))
3487 if ((udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
3489 NetSendToAllExcept(tcp_host,udp_msg);
3493 NetSendToAllExcept(tcp_host,udp_msg);
3495 FOREACH_MOD OnPacketReceive(udp_msg);
3496 handle_link_packet(udp_msg, tcp_host, me[x]);
3503 while (count2 != clientlist.end())
3506 tval.tv_usec = 5000;
3509 int total_in_this_set = 0;
3511 user_hash::iterator xcount = count2;
3512 user_hash::iterator endingiter = count2;
3514 if (!count2->second) break;
3517 if (count2->second->fd != 0)
3519 // assemble up to 64 sockets into an fd_set
3520 // to implement a pooling mechanism.
3522 // This should be up to 64x faster than the
3523 // old implementation.
3524 while (total_in_this_set < 64)
3526 if (count2 != clientlist.end())
3528 // we don't check the state of remote users.
3529 if (count2->second->fd > 0)
3531 FD_SET (count2->second->fd, &sfd);
3533 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3534 // their connection class.
3535 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
3537 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
3538 kill_link(count2->second,"Registration timeout");
3541 if ((time(NULL) > count2->second->signon) && (count2->second->registered == 3))
3543 count2->second->dns_done = true;
3544 FullConnectUser(count2->second);
3547 if ((count2->second->dns_done) && (count2->second->registered == 3)) // both NICK and USER... and DNS
3549 FullConnectUser(count2->second);
3552 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
3554 if ((!count2->second->lastping) && (count2->second->registered == 7))
3556 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
3557 kill_link(count2->second,"Ping timeout");
3560 Write(count2->second->fd,"PING :%s",ServerName);
3561 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
3562 count2->second->lastping = 0;
3563 count2->second->nping = time(NULL)+120;
3567 total_in_this_set++;
3572 endingiter = count2;
3573 count2 = xcount; // roll back to where we were
3577 tval.tv_usec = 5000;
3579 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
3581 // now loop through all of the items in this pool if any are waiting
3582 //if (selectResult2 > 0)
3583 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
3586 #ifdef _POSIX_PRIORITY_SCHEDULING
3591 if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
3593 memset(data, 0, 10240);
3594 result = read(count2a->second->fd, data, 10240);
3598 userrec* current = count2a->second;
3599 int currfd = current->fd;
3600 char* l = strtok(data,"\n");
3605 if ((floodlines > current->flood) && (current->flood != 0))
3607 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3608 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3609 kill_link(current,"Excess flood");
3612 char sanitized[NetBufferSize];
3613 memset(sanitized, 0, NetBufferSize);
3615 for (int pt = 0; pt < strlen(l); pt++)
3619 sanitized[ptt++] = l[pt];
3622 sanitized[ptt] = '\0';
3623 if (strlen(sanitized))
3627 // we're gonna re-scan to check if the nick is gone, after every
3628 // command - if it has, we're gonna bail
3629 bool find_again = false;
3630 process_buffer(sanitized,current);
3632 // look for the user's record in case it's changed
3633 for (user_hash::iterator c2 = clientlist.begin(); c2 != clientlist.end(); c2++)
3635 if (c2->second->fd == currfd)
3637 // found again, update pointer
3638 current == c2->second;
3647 l = strtok(NULL,"\n");
3652 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
3654 log(DEBUG,"killing: %s",count2a->second->nick);
3655 kill_link(count2a->second,strerror(errno));
3659 // result EAGAIN means nothing read
3660 if (result == EAGAIN)
3668 log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
3669 kill_link(count2a->second,"Client exited");
3670 // must bail here? kill_link removes the hash, corrupting the iterator
3671 log(DEBUG,"Bailing from client exit");
3675 else if (result > 0)
3680 for (int q = 0; q < total_in_this_set; q++)
3682 // there is no iterator += operator :(
3683 //if (count2 != clientlist.end())
3690 // set up select call
3691 for (count = 0; count < boundPortCount; count++)
3693 FD_SET (openSockfd[count], &selectFds);
3697 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
3699 /* select is reporting a waiting socket. Poll them all to find out which */
3700 if (selectResult > 0)
3702 char target[MAXBUF], resolved[MAXBUF];
3703 for (count = 0; count < boundPortCount; count++)
3705 if (FD_ISSET (openSockfd[count], &selectFds))
3707 length = sizeof (client);
3708 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
3710 strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
3711 strlcpy (resolved, target, MAXBUF);
3713 if (incomingSockfd < 0)
3715 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
3716 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
3720 AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
3721 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
3728 if(0) {}; // "Label must be followed by a statement"... so i gave it one.
3731 close (incomingSockfd);