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"
60 #define nspace __gnu_cxx
65 int LogLevel = DEFAULT;
66 char ServerName[MAXBUF];
68 char ServerDesc[MAXBUF];
69 char AdminName[MAXBUF];
70 char AdminEmail[MAXBUF];
71 char AdminNick[MAXBUF];
73 char restartpass[MAXBUF];
77 char PrefixQuit[MAXBUF];
78 char DieValue[MAXBUF];
80 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
81 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
83 time_t startup_time = time(NULL);
84 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
87 extern vector<Module*> modules;
88 std::vector<std::string> module_names;
89 extern vector<ircd_module*> factory;
90 std::vector<int> fd_reap;
98 template<> struct nspace::hash<in_addr>
100 size_t operator()(const struct in_addr &a) const
103 memcpy(&q,&a,sizeof(size_t));
108 template<> struct nspace::hash<string>
110 size_t operator()(const string &s) const
113 static struct hash<const char *> strhash;
125 bool operator()(const string& s1, const string& s2) const
127 char a[MAXBUF],b[MAXBUF];
128 strcpy(a,s1.c_str());
129 strcpy(b,s2.c_str());
130 return (strcasecmp(a,b) == 0);
135 struct InAddr_HashComp
138 bool operator()(const in_addr &s1, const in_addr &s2) const
143 memcpy(&q,&s1,sizeof(size_t));
144 memcpy(&p,&s2,sizeof(size_t));
152 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
153 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
154 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
155 typedef std::deque<command_t> command_table;
161 user_hash clientlist;
164 command_table cmdlist;
171 struct linger linger = { 0 };
172 char bannerBuffer[MAXBUF];
173 int boundPortCount = 0;
174 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
175 int defaultRoute = 0;
179 long MyKey = C.GenKey();
183 int has_channel(userrec *u, chanrec *c);
184 int usercount(chanrec *c);
185 int usercount_i(chanrec *c);
186 void update_stats_l(int fd,int data_out);
187 char* Passwd(userrec *user);
188 bool IsDenied(userrec *user);
189 void AddWhoWas(userrec* u);
191 std::vector<long> auth_cookies;
192 std::stringstream config_f(stringstream::in | stringstream::out);
198 char Revision[] = "$Revision$";
201 char *v1 = strtok_r(s1," ",&savept);
203 char *v2 = strtok_r(s1," ",&savept);
205 return (long)(atof(v2)*10000);
209 std::string getservername()
214 std::string getserverdesc()
219 std::string getnetworkname()
224 std::string getadminname()
229 std::string getadminemail()
234 std::string getadminnick()
239 void log(int level,char *text, ...)
241 char textbuffer[MAXBUF];
244 struct tm * timeinfo;
245 if (level < LogLevel)
249 timeinfo = localtime (&rawtime);
254 va_start (argsPtr, text);
255 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
257 strcpy(b,asctime(timeinfo));
258 b[strlen(b)-1] = ':';
259 fprintf(log_file,"%s %s\n",b,textbuffer);
262 // nofork enabled? display it on terminal too
263 printf("%s %s\n",b,textbuffer);
268 void readfile(file_cache &F, const char* fname)
271 char linebuf[MAXBUF];
273 log(DEBUG,"readfile: loading %s",fname);
275 file = fopen(fname,"r");
280 fgets(linebuf,sizeof(linebuf),file);
281 linebuf[strlen(linebuf)-1]='\0';
282 if (!strcmp(linebuf,""))
288 F.push_back(linebuf);
295 log(DEBUG,"readfile: failed to load file: %s",fname);
297 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
300 void ReadConfig(void)
302 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF];
305 LoadConf(CONFIG_FILE,&config_f);
307 ConfValue("server","name",0,ServerName,&config_f);
308 ConfValue("server","description",0,ServerDesc,&config_f);
309 ConfValue("server","network",0,Network,&config_f);
310 ConfValue("admin","name",0,AdminName,&config_f);
311 ConfValue("admin","email",0,AdminEmail,&config_f);
312 ConfValue("admin","nick",0,AdminNick,&config_f);
313 ConfValue("files","motd",0,motd,&config_f);
314 ConfValue("files","rules",0,rules,&config_f);
315 ConfValue("power","diepass",0,diepass,&config_f);
316 ConfValue("power","pause",0,pauseval,&config_f);
317 ConfValue("power","restartpass",0,restartpass,&config_f);
318 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
319 ConfValue("die","value",0,DieValue,&config_f);
320 ConfValue("options","loglevel",0,dbg,&config_f);
321 ConfValue("options","netbuffersize",0,NB,&config_f);
322 NetBufferSize = atoi(NB);
323 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
325 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
326 NetBufferSize = 10240;
328 if (!strcmp(dbg,"debug"))
330 if (!strcmp(dbg,"verbose"))
332 if (!strcmp(dbg,"default"))
334 if (!strcmp(dbg,"sparse"))
336 if (!strcmp(dbg,"none"))
339 log(DEFAULT,"Reading message of the day...");
340 readfile(RULES,rules);
341 log(DEFAULT,"Reading connect classes...");
343 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
346 ConfValue("connect","allow",i,Value,&config_f);
347 ConfValue("connect","timeout",i,timeout,&config_f);
348 ConfValue("connect","flood",i,flood,&config_f);
349 if (strcmp(Value,""))
351 strcpy(c.host,Value);
354 ConfValue("connect","password",i,Value,&config_f);
355 strcpy(c.pass,Value);
356 c.registration_timeout = 90; // default is 2 minutes
357 c.flood = atoi(flood);
360 c.registration_timeout = atoi(timeout);
362 Classes.push_back(c);
363 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%d flood=%d",c.host,c.pass,c.registration_timeout,c.flood);
367 ConfValue("connect","deny",i,Value,&config_f);
368 strcpy(c.host,Value);
370 Classes.push_back(c);
371 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
375 log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
376 read_xline_defaults();
377 log(DEFAULT,"Applying K lines, Q lines and Z lines...");
379 log(DEFAULT,"Done reading configuration file, InspIRCd is now running.");
382 /* write formatted text to a socket, in same format as printf */
384 void Write(int sock,char *text, ...)
388 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
391 char textbuffer[MAXBUF];
395 va_start (argsPtr, text);
396 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
398 sprintf(tb,"%s\r\n",textbuffer);
402 write(sock,tb,strlen(tb));
403 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
407 /* write a server formatted numeric response to a single socket */
409 void WriteServ(int sock, char* text, ...)
413 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
416 char textbuffer[MAXBUF],tb[MAXBUF];
418 va_start (argsPtr, text);
420 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
422 sprintf(tb,":%s %s\r\n",ServerName,textbuffer);
426 write(sock,tb,strlen(tb));
427 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
431 /* write text from an originating user to originating user */
433 void WriteFrom(int sock, userrec *user,char* text, ...)
435 if ((!text) || (!user))
437 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
440 char textbuffer[MAXBUF],tb[MAXBUF];
442 va_start (argsPtr, text);
444 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
446 sprintf(tb,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
450 write(sock,tb,strlen(tb));
451 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
455 /* write text to an destination user from a source user (e.g. user privmsg) */
457 void WriteTo(userrec *source, userrec *dest,char *data, ...)
459 if ((!dest) || (!data))
461 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
464 char textbuffer[MAXBUF],tb[MAXBUF];
466 va_start (argsPtr, data);
467 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
471 // if no source given send it from the server.
474 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
478 WriteFrom(dest->fd,source,"%s",textbuffer);
482 /* write formatted text from a source user to all users on a channel
483 * including the sender (NOT for privmsg, notice etc!) */
485 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
487 if ((!Ptr) || (!user) || (!text))
489 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
492 char textbuffer[MAXBUF];
494 va_start (argsPtr, text);
495 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
497 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
499 if (has_channel(i->second,Ptr))
501 WriteTo(user,i->second,"%s",textbuffer);
506 /* write formatted text from a source user to all users on a channel
507 * including the sender (NOT for privmsg, notice etc!) doesnt send to
508 * users on remote servers */
510 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
512 if ((!Ptr) || (!text))
514 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
517 char textbuffer[MAXBUF];
519 va_start (argsPtr, text);
520 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
522 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
524 if (has_channel(i->second,Ptr))
526 if (i->second->fd != -1)
530 WriteServ(i->second->fd,"%s",textbuffer);
534 WriteTo(user,i->second,"%s",textbuffer);
542 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
544 if ((!Ptr) || (!user) || (!text))
546 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
549 char textbuffer[MAXBUF];
551 va_start (argsPtr, text);
552 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
554 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
558 if (has_channel(i->second,Ptr))
560 WriteServ(i->second->fd,"%s",textbuffer);
567 /* write formatted text from a source user to all users on a channel except
568 * for the sender (for privmsg etc) */
570 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
572 if ((!Ptr) || (!user) || (!text))
574 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
577 char textbuffer[MAXBUF];
579 va_start (argsPtr, text);
580 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
583 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
587 if (has_channel(i->second,Ptr) && (user != i->second))
589 WriteTo(user,i->second,"%s",textbuffer);
596 std::string GetServerDescription(char* servername)
598 for (int j = 0; j < 32; j++)
602 for (int k = 0; k < me[j]->connectors.size(); k++)
604 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
606 return me[j]->connectors[k].GetDescription();
610 return ServerDesc; // not a remote server that can be found, it must be me.
615 /* write a formatted string to all users who share at least one common
616 * channel, including the source user e.g. for use in NICK */
618 void WriteCommon(userrec *u, char* text, ...)
622 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
626 if (u->registered != 7) {
627 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
631 char textbuffer[MAXBUF];
633 va_start (argsPtr, text);
634 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
637 WriteFrom(u->fd,u,"%s",textbuffer);
639 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
643 if (common_channels(u,i->second) && (i->second != u))
645 WriteFrom(i->second->fd,u,"%s",textbuffer);
651 /* write a formatted string to all users who share at least one common
652 * channel, NOT including the source user e.g. for use in QUIT */
654 void WriteCommonExcept(userrec *u, char* text, ...)
658 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
662 if (u->registered != 7) {
663 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
667 char textbuffer[MAXBUF];
669 va_start (argsPtr, text);
670 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
673 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
677 if ((common_channels(u,i->second)) && (u != i->second))
679 WriteFrom(i->second->fd,u,"%s",textbuffer);
685 void WriteOpers(char* text, ...)
689 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
693 char textbuffer[MAXBUF];
695 va_start (argsPtr, text);
696 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
699 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
703 if (strchr(i->second->modes,'o'))
705 if (strchr(i->second->modes,'s'))
707 // send server notices to all with +s
708 // (TODO: needs SNOMASKs)
709 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
716 // returns TRUE of any users on channel C occupy server 'servername'.
718 bool ChanAnyOnThisServer(chanrec *c,char* servername)
720 log(DEBUG,"ChanAnyOnThisServer");
721 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
723 if (has_channel(i->second,c))
725 if (!strcasecmp(i->second->server,servername))
734 // returns true if user 'u' shares any common channels with any users on server 'servername'
736 bool CommonOnThisServer(userrec* u,const char* servername)
738 log(DEBUG,"ChanAnyOnThisServer");
739 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
741 if ((common_channels(u,i->second)) && (u != i->second))
743 if (!strcasecmp(i->second->server,servername))
745 log(DEBUG,"%s is common to %s sharing with %s",i->second->nick,servername,u->nick);
754 void NetSendToCommon(userrec* u, char* s)
757 snprintf(buffer,MAXBUF,"%s",s);
759 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
761 for (int j = 0; j < 32; j++)
765 for (int k = 0; k < me[j]->connectors.size(); k++)
767 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
769 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
777 void NetSendToAll(char* s)
780 snprintf(buffer,MAXBUF,"%s",s);
782 log(DEBUG,"NetSendToAll: '%s'",s);
784 for (int j = 0; j < 32; j++)
788 for (int k = 0; k < me[j]->connectors.size(); k++)
790 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
796 void NetSendToAllAlive(char* s)
799 snprintf(buffer,MAXBUF,"%s",s);
801 log(DEBUG,"NetSendToAllAlive: '%s'",s);
803 for (int j = 0; j < 32; j++)
807 for (int k = 0; k < me[j]->connectors.size(); k++)
809 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
811 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
815 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
823 void NetSendToOne(char* target,char* s)
826 snprintf(buffer,MAXBUF,"%s",s);
828 log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
830 for (int j = 0; j < 32; j++)
834 for (int k = 0; k < me[j]->connectors.size(); k++)
836 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
838 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
845 void NetSendToAllExcept(const char* target,char* s)
848 snprintf(buffer,MAXBUF,"%s",s);
850 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
852 for (int j = 0; j < 32; j++)
856 for (int k = 0; k < me[j]->connectors.size(); k++)
858 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
860 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
868 void WriteMode(const char* modes, int flags, const char* text, ...)
870 if ((!text) || (!modes) || (!flags))
872 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
876 char textbuffer[MAXBUF];
878 va_start (argsPtr, text);
879 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
882 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
886 bool send_to_user = false;
891 for (int n = 0; n < strlen(modes); n++)
893 if (!hasumode(i->second,modes[n]))
895 send_to_user = false;
900 else if (flags == WM_OR)
902 send_to_user = false;
903 for (int n = 0; n < strlen(modes); n++)
905 if (hasumode(i->second,modes[n]))
915 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
922 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
924 if ((!text) || (!source))
926 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
931 char textbuffer[MAXBUF];
933 va_start (argsPtr, text);
934 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
937 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
941 if (strchr(i->second->modes,'w'))
943 WriteTo(source,i->second,"WALLOPS %s",textbuffer);
951 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
952 NetSendToAll(buffer);
956 /* convert a string to lowercase. Note following special circumstances
957 * taken from RFC 1459. Many "official" server branches still hold to this
958 * rule so i will too;
960 * Because of IRC's scandanavian origin, the characters {}| are
961 * considered to be the lower case equivalents of the characters []\,
962 * respectively. This is a critical issue when determining the
963 * equivalence of two nicknames.
966 void strlower(char *n)
972 for (int i = 0; i != strlen(n); i++)
974 n[i] = tolower(n[i]);
986 /* Find a user record by nickname and return a pointer to it */
988 userrec* Find(string nick)
990 user_hash::iterator iter = clientlist.find(nick);
992 if (iter == clientlist.end())
993 /* Couldn't find it */
999 void update_stats_l(int fd,int data_out) /* add one line-out to stats L for this fd */
1001 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1005 if (i->second->fd == fd)
1007 i->second->bytes_out+=data_out;
1008 i->second->cmds_out++;
1015 /* find a channel record by channel name and return a pointer to it */
1017 chanrec* FindChan(const char* chan)
1021 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1025 chan_hash::iterator iter = chanlist.find(chan);
1027 if (iter == chanlist.end())
1028 /* Couldn't find it */
1031 return iter->second;
1035 void purge_empty_chans(void)
1037 int go_again = 1, purge = 0;
1042 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1045 if (!usercount(i->second))
1047 /* kill the record */
1048 if (i != chanlist.end())
1050 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1060 log(DEBUG,"skipped purge for %s",i->second->name);
1065 log(DEBUG,"completed channel purge, killed %d",purge);
1069 char scratch[MAXBUF];
1070 char sparam[MAXBUF];
1072 char* chanmodes(chanrec *chan)
1076 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1083 if (chan->noexternal)
1085 strncat(scratch,"n",MAXMODES);
1087 if (chan->topiclock)
1089 strncat(scratch,"t",MAXMODES);
1091 if (strcmp(chan->key,""))
1093 strncat(scratch,"k",MAXMODES);
1097 strncat(scratch,"l",MAXMODES);
1099 if (chan->inviteonly)
1101 strncat(scratch,"i",MAXMODES);
1103 if (chan->moderated)
1105 strncat(scratch,"m",MAXMODES);
1109 strncat(scratch,"s",MAXMODES);
1111 if (chan->c_private)
1113 strncat(scratch,"p",MAXMODES);
1115 if (strcmp(chan->key,""))
1117 strncat(sparam,chan->key,MAXBUF);
1122 sprintf(foo," %d",chan->limit);
1123 strncat(sparam,foo,MAXBUF);
1125 if (strlen(chan->custom_modes))
1127 strncat(scratch,chan->custom_modes,MAXMODES);
1128 for (int z = 0; z < strlen(chan->custom_modes); z++)
1130 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1133 strncat(sparam," ",MAXBUF);
1134 strncat(sparam,extparam.c_str(),MAXBUF);
1138 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1139 strncat(scratch,sparam,MAXMODES);
1144 /* compile a userlist of a channel into a string, each nick seperated by
1145 * spaces and op, voice etc status shown as @ and + */
1147 void userlist(userrec *user,chanrec *c)
1149 if ((!c) || (!user))
1151 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1155 sprintf(list,"353 %s = %s :", user->nick, c->name);
1156 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1158 if (has_channel(i->second,c))
1160 if (isnick(i->second->nick))
1162 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1164 /* user is +i, and source not on the channel, does not show
1165 * nick in NAMES list */
1168 strcat(list,cmode(i->second,c));
1169 strcat(list,i->second->nick);
1171 if (strlen(list)>(480-NICKMAX))
1173 /* list overflowed into
1174 * multiple numerics */
1175 WriteServ(user->fd,list);
1176 sprintf(list,"353 %s = %s :", user->nick, c->name);
1181 /* if whats left in the list isnt empty, send it */
1182 if (list[strlen(list)-1] != ':')
1184 WriteServ(user->fd,list);
1188 /* return a count of the users on a specific channel accounting for
1189 * invisible users who won't increase the count. e.g. for /LIST */
1191 int usercount_i(chanrec *c)
1198 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1203 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1207 if (has_channel(i->second,c))
1209 if (isnick(i->second->nick))
1211 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1213 /* user is +i, and source not on the channel, does not show
1214 * nick in NAMES list */
1222 log(DEBUG,"usercount_i: %s %d",c->name,count);
1227 int usercount(chanrec *c)
1234 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1239 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1243 if (has_channel(i->second,c))
1245 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1252 log(DEBUG,"usercount: %s %d",c->name,count);
1257 /* add a channel to a user, creating the record for it if needed and linking
1258 * it to the user record */
1260 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1262 if ((!user) || (!cn))
1264 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1273 strncpy(cname,cn,MAXBUF);
1275 // we MUST declare this wherever we use FOREACH_RESULT
1278 if (strlen(cname) > CHANMAX-1)
1280 cname[CHANMAX-1] = '\0';
1283 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1285 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1287 return NULL; // already on the channel!
1291 if (!FindChan(cname))
1293 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1298 /* create a new one */
1299 log(DEBUG,"add_channel: creating: %s",cname);
1301 chanlist[cname] = new chanrec();
1303 strcpy(chanlist[cname]->name, cname);
1304 chanlist[cname]->topiclock = 1;
1305 chanlist[cname]->noexternal = 1;
1306 chanlist[cname]->created = time(NULL);
1307 strcpy(chanlist[cname]->topic, "");
1308 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1309 chanlist[cname]->topicset = 0;
1310 Ptr = chanlist[cname];
1311 log(DEBUG,"add_channel: created: %s",cname);
1312 /* set created to 2 to indicate user
1313 * is the first in the channel
1314 * and should be given ops */
1320 /* channel exists, just fish out a pointer to its struct */
1321 Ptr = FindChan(cname);
1324 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1326 // the override flag allows us to bypass channel modes
1327 // and bans (used by servers)
1330 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1335 if (strcmp(Ptr->key,""))
1337 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1340 log(DEBUG,"add_channel: no key given in JOIN");
1341 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1346 log(DEBUG,"key at %p is %s",key,key);
1347 if (strcasecmp(key,Ptr->key))
1349 log(DEBUG,"add_channel: bad key given in JOIN");
1350 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1355 log(DEBUG,"add_channel: no key");
1357 if (Ptr->inviteonly)
1359 log(DEBUG,"add_channel: channel is +i");
1360 if (user->IsInvited(Ptr->name))
1362 /* user was invited to channel */
1363 /* there may be an optional channel NOTICE here */
1367 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1371 log(DEBUG,"add_channel: channel is not +i");
1375 if (usercount(Ptr) == Ptr->limit)
1377 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1382 log(DEBUG,"add_channel: about to walk banlist");
1384 /* check user against the channel banlist */
1387 if (Ptr->bans.size())
1389 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1391 if (match(user->GetFullHost(),i->data))
1393 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1400 log(DEBUG,"add_channel: bans checked");
1403 if ((Ptr) && (user))
1405 user->RemoveInvite(Ptr->name);
1408 log(DEBUG,"add_channel: invites removed");
1413 log(DEBUG,"Overridden checks");
1421 log(DEBUG,"Passed channel checks");
1423 for (int i =0; i != MAXCHANS; i++)
1425 log(DEBUG,"Check location %d",i);
1426 if (user->chans[i].channel == NULL)
1428 log(DEBUG,"Adding into their channel list at location %d",i);
1432 /* first user in is given ops */
1433 user->chans[i].uc_modes = UCMODE_OP;
1437 user->chans[i].uc_modes = 0;
1439 user->chans[i].channel = Ptr;
1440 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1442 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1444 // use the stamdard J token with no privilages.
1445 char buffer[MAXBUF];
1446 snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
1447 NetSendToAll(buffer);
1450 log(DEBUG,"Sent JOIN to client");
1454 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1455 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1458 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1459 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1460 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1461 FOREACH_MOD OnUserJoin(user,Ptr);
1465 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1466 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1470 /* remove a channel from a users record, and remove the record from memory
1471 * if the channel has become empty */
1473 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1475 if ((!user) || (!cname))
1477 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1484 if ((!cname) || (!user))
1489 Ptr = FindChan(cname);
1496 FOREACH_MOD OnUserPart(user,Ptr);
1497 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1499 for (int i =0; i != MAXCHANS; i++)
1501 /* zap it from the channel list of the user */
1502 if (user->chans[i].channel == Ptr)
1506 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1510 char buffer[MAXBUF];
1511 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1512 NetSendToAll(buffer);
1521 char buffer[MAXBUF];
1522 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1523 NetSendToAll(buffer);
1526 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1528 user->chans[i].uc_modes = 0;
1529 user->chans[i].channel = NULL;
1530 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1535 /* if there are no users left on the channel */
1536 if (!usercount(Ptr))
1538 chan_hash::iterator iter = chanlist.find(Ptr->name);
1540 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1542 /* kill the record */
1543 if (iter != chanlist.end())
1545 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1546 delete iter->second;
1547 chanlist.erase(iter);
1553 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1555 if ((!src) || (!user) || (!Ptr) || (!reason))
1557 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1564 if ((!Ptr) || (!user) || (!src))
1569 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1571 if (!has_channel(user,Ptr))
1573 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1576 if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
1578 if (cstatus(src,Ptr) == STATUS_HOP)
1580 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1584 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1590 for (int i =0; i != MAXCHANS; i++)
1592 /* zap it from the channel list of the user */
1593 if (user->chans[i].channel)
1594 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1596 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1597 user->chans[i].uc_modes = 0;
1598 user->chans[i].channel = NULL;
1599 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1604 /* if there are no users left on the channel */
1605 if (!usercount(Ptr))
1607 chan_hash::iterator iter = chanlist.find(Ptr->name);
1609 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1611 /* kill the record */
1612 if (iter != chanlist.end())
1614 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1615 delete iter->second;
1616 chanlist.erase(iter);
1624 /* This function pokes and hacks at a parameter list like the following:
1626 * PART #winbot, #darkgalaxy :m00!
1628 * to turn it into a series of individual calls like this:
1630 * PART #winbot :m00!
1631 * PART #darkgalaxy :m00!
1633 * The seperate calls are sent to a callback function provided by the caller
1634 * (the caller will usually call itself recursively). The callback function
1635 * must be a command handler. Calling this function on a line with no list causes
1636 * no action to be taken. You must provide a starting and ending parameter number
1637 * where the range of the list can be found, useful if you have a terminating
1638 * parameter as above which is actually not part of the list, or parameters
1639 * before the actual list as well. This code is used by many functions which
1640 * can function as "one to list" (see the RFC) */
1642 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
1647 char blog[32][MAXBUF];
1648 char blog2[32][MAXBUF];
1649 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
1650 char keystr[MAXBUF];
1653 for (int i = 0; i <32; i++)
1656 for (int i = 0; i <32; i++)
1657 strcpy(blog2[i],"");
1660 for (int i = 0; i <10; i++)
1664 parameters[i] = moo;
1669 if (pcnt > 1) /* we have a key to copy */
1671 strcpy(keystr,parameters[1]);
1675 if (!parameters[start])
1679 if (!strchr(parameters[start],','))
1684 for (int i = start; i <= end; i++)
1688 strcat(plist,parameters[i]);
1696 for (int i = 0; i < t; i++)
1698 if (plist[i] == ',')
1701 strcpy(blog[j++],param);
1705 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
1710 strcpy(blog[j++],param);
1713 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
1718 if ((joins) && (keystr))
1720 if (strchr(keystr,','))
1724 t2 = strlen(keystr);
1725 for (int i = 0; i < t2; i++)
1727 if (keystr[i] == ',')
1730 strcpy(blog2[j++],param);
1734 strcpy(blog2[j++],param);
1739 for (j = 0; j < total; j++)
1745 for (q = end; q < pcnt-1; q++)
1747 if (parameters[q+1])
1749 pars[q-end+1] = parameters[q+1];
1752 if ((joins) && (parameters[1]))
1763 /* repeatedly call the function with the hacked parameter list */
1764 if ((joins) && (pcnt > 1))
1768 // pars[1] already set up and containing key from blog2[j]
1773 pars[1] = parameters[1];
1779 fn(pars,pcnt-(end-start),u);
1788 void kill_link(userrec *user,const char* r)
1790 user_hash::iterator iter = clientlist.find(user->nick);
1792 char reason[MAXBUF];
1794 strncpy(reason,r,MAXBUF);
1796 if (strlen(reason)>MAXQUIT)
1798 reason[MAXQUIT-1] = '\0';
1801 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1802 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1803 log(DEBUG,"closing fd %d",user->fd);
1805 /* bugfix, cant close() a nonblocking socket (sux!) */
1806 if (user->registered == 7) {
1807 FOREACH_MOD OnUserQuit(user);
1808 WriteCommonExcept(user,"QUIT :%s",reason);
1810 // Q token must go to ALL servers!!!
1811 char buffer[MAXBUF];
1812 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1813 NetSendToAll(buffer);
1816 /* push the socket on a stack of sockets due to be closed at the next opportunity
1817 * 'Client exited' is an exception to this as it means the client side has already
1818 * closed the socket, we don't need to do it.
1820 fd_reap.push_back(user->fd);
1822 bool do_purge = false;
1824 if (user->registered == 7) {
1825 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
1829 if (iter != clientlist.end())
1831 log(DEBUG,"deleting user hash value %d",iter->second);
1832 if ((iter->second) && (user->registered == 7)) {
1833 delete iter->second;
1835 clientlist.erase(iter);
1838 if (user->registered == 7) {
1839 purge_empty_chans();
1843 void kill_link_silent(userrec *user,const char* r)
1845 user_hash::iterator iter = clientlist.find(user->nick);
1847 char reason[MAXBUF];
1849 strncpy(reason,r,MAXBUF);
1851 if (strlen(reason)>MAXQUIT)
1853 reason[MAXQUIT-1] = '\0';
1856 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
1857 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
1858 log(DEBUG,"closing fd %d",user->fd);
1860 /* bugfix, cant close() a nonblocking socket (sux!) */
1861 if (user->registered == 7) {
1862 FOREACH_MOD OnUserQuit(user);
1863 WriteCommonExcept(user,"QUIT :%s",reason);
1865 // Q token must go to ALL servers!!!
1866 char buffer[MAXBUF];
1867 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
1868 NetSendToAll(buffer);
1871 /* push the socket on a stack of sockets due to be closed at the next opportunity
1872 * 'Client exited' is an exception to this as it means the client side has already
1873 * closed the socket, we don't need to do it.
1875 fd_reap.push_back(user->fd);
1877 bool do_purge = false;
1879 if (iter != clientlist.end())
1881 log(DEBUG,"deleting user hash value %d",iter->second);
1882 if ((iter->second) && (user->registered == 7)) {
1883 delete iter->second;
1885 clientlist.erase(iter);
1888 if (user->registered == 7) {
1889 purge_empty_chans();
1895 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1897 char* Passwd(userrec *user)
1899 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1901 if (match(user->host,i->host) && (i->type == CC_ALLOW))
1909 bool IsDenied(userrec *user)
1911 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1913 if (match(user->host,i->host) && (i->type == CC_DENY))
1924 /* sends out an error notice to all connected clients (not to be used
1927 void send_error(char *s)
1929 log(DEBUG,"send_error: %s",s);
1930 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1932 if (isnick(i->second->nick))
1934 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
1938 // fix - unregistered connections receive ERROR, not NOTICE
1939 Write(i->second->fd,"ERROR :%s",s);
1944 void Error(int status)
1946 signal (SIGALRM, SIG_IGN);
1947 signal (SIGPIPE, SIG_IGN);
1948 signal (SIGTERM, SIG_IGN);
1949 signal (SIGABRT, SIG_IGN);
1950 signal (SIGSEGV, SIG_IGN);
1951 signal (SIGURG, SIG_IGN);
1952 signal (SIGKILL, SIG_IGN);
1953 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
1954 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
1959 int main(int argc, char *argv[])
1963 log(DEBUG,"*** InspIRCd starting up!");
1964 if (!FileExists(CONFIG_FILE))
1966 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
1967 log(DEBUG,"main: no config");
1968 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
1972 if (!strcmp(argv[1],"-nofork")) {
1976 if (InspIRCd() == ERROR)
1978 log(DEBUG,"main: daemon function bailed");
1979 printf("ERROR: could not initialise. Shutting down.\n");
1986 template<typename T> inline string ConvToStr(const T &in)
1989 if (!(tmp << in)) return string();
1993 /* re-allocates a nick in the user_hash after they change nicknames,
1994 * returns a pointer to the new user as it may have moved */
1996 userrec* ReHashNick(char* Old, char* New)
1998 user_hash::iterator newnick;
1999 user_hash::iterator oldnick = clientlist.find(Old);
2001 log(DEBUG,"ReHashNick: %s %s",Old,New);
2003 if (!strcasecmp(Old,New))
2005 log(DEBUG,"old nick is new nick, skipping");
2006 return oldnick->second;
2009 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
2011 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
2013 clientlist[New] = new userrec();
2014 clientlist[New] = oldnick->second;
2015 /*delete oldnick->second; */
2016 clientlist.erase(oldnick);
2018 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
2020 return clientlist[New];
2023 /* adds or updates an entry in the whowas list */
2024 void AddWhoWas(userrec* u)
2026 user_hash::iterator iter = whowas.find(u->nick);
2027 userrec *a = new userrec();
2028 strcpy(a->nick,u->nick);
2029 strcpy(a->ident,u->ident);
2030 strcpy(a->dhost,u->dhost);
2031 strcpy(a->host,u->host);
2032 strcpy(a->fullname,u->fullname);
2033 strcpy(a->server,u->server);
2034 a->signon = u->signon;
2036 /* MAX_WHOWAS: max number of /WHOWAS items
2037 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
2038 * can be replaced by a newer one
2041 if (iter == whowas.end())
2043 if (whowas.size() == WHOWAS_MAX)
2045 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
2047 // 3600 seconds in an hour ;)
2048 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
2052 log(DEBUG,"added WHOWAS entry, purged an old record");
2059 log(DEBUG,"added fresh WHOWAS entry");
2060 whowas[a->nick] = a;
2065 log(DEBUG,"updated WHOWAS entry");
2066 delete iter->second;
2072 /* add a client connection to the sockets list */
2073 void AddClient(int socket, char* host, int port, bool iscached, char* ip)
2077 char resolved[MAXBUF];
2080 user_hash::iterator iter;
2082 tempnick = ConvToStr(socket) + "-unknown";
2083 sprintf(tn2,"%d-unknown",socket);
2085 iter = clientlist.find(tempnick);
2087 if (iter != clientlist.end()) return;
2090 * It is OK to access the value here this way since we know
2091 * it exists, we just created it above.
2093 * At NO other time should you access a value in a map or a
2094 * hash_map this way.
2096 clientlist[tempnick] = new userrec();
2098 NonBlocking(socket);
2099 log(DEBUG,"AddClient: %d %s %d",socket,host,port);
2101 clientlist[tempnick]->fd = socket;
2102 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
2103 strncpy(clientlist[tempnick]->host, host,160);
2104 strncpy(clientlist[tempnick]->dhost, host,160);
2105 strncpy(clientlist[tempnick]->server, ServerName,256);
2106 strncpy(clientlist[tempnick]->ident, "unknown",9);
2107 clientlist[tempnick]->registered = 0;
2108 clientlist[tempnick]->signon = time(NULL);
2109 clientlist[tempnick]->nping = time(NULL)+240;
2110 clientlist[tempnick]->lastping = 1;
2111 clientlist[tempnick]->port = port;
2112 strncpy(clientlist[tempnick]->ip,ip,32);
2116 WriteServ(socket,"NOTICE Auth :Found your hostname (cached)...");
2120 WriteServ(socket,"NOTICE Auth :Looking up your hostname...");
2123 // set the registration timeout for this user
2124 unsigned long class_regtimeout = 90;
2125 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2127 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
2129 class_regtimeout = (unsigned long)i->registration_timeout;
2134 int class_flood = 0;
2135 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
2137 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
2139 class_flood = i->flood;
2144 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
2145 clientlist[tempnick]->flood = class_flood;
2147 for (int i = 0; i < MAXCHANS; i++)
2149 clientlist[tempnick]->chans[i].channel = NULL;
2150 clientlist[tempnick]->chans[i].uc_modes = 0;
2153 if (clientlist.size() == MAXCLIENTS)
2154 kill_link(clientlist[tempnick],"No more connections allowed in this class");
2156 char* r = matches_zline(ip);
2159 char reason[MAXBUF];
2160 snprintf(reason,MAXBUF,"Z-Lined: %s",r);
2161 kill_link(clientlist[tempnick],reason);
2168 return clientlist.size();
2172 int usercount_invisible(void)
2176 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2178 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
2183 int usercount_opers(void)
2187 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2189 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
2194 int usercount_unknown(void)
2198 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2200 if ((i->second->fd) && (i->second->registered != 7))
2206 long chancount(void)
2208 return chanlist.size();
2211 long count_servs(void)
2214 //for (int j = 0; j < 255; j++)
2216 // if (servers[j] != NULL)
2222 long servercount(void)
2224 return count_servs()+1;
2230 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2232 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
2238 void ShowMOTD(userrec *user)
2242 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
2245 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
2246 for (int i = 0; i != MOTD.size(); i++)
2248 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
2250 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
2253 void ShowRULES(userrec *user)
2257 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
2260 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
2261 for (int i = 0; i != RULES.size(); i++)
2263 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
2265 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
2268 /* shows the message of the day, and any other on-logon stuff */
2269 void ConnectUser(userrec *user)
2271 user->registered = 7;
2272 user->idle_lastmsg = time(NULL);
2273 log(DEBUG,"ConnectUser: %s",user->nick);
2275 if (strcmp(Passwd(user),"") && (!user->haspassed))
2277 kill_link(user,"Invalid password");
2282 kill_link(user,"Unauthorised connection");
2286 char match_against[MAXBUF];
2287 snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
2288 char* r = matches_gline(match_against);
2291 char reason[MAXBUF];
2292 snprintf(reason,MAXBUF,"G-Lined: %s",r);
2293 kill_link_silent(user,reason);
2297 r = matches_kline(user->host);
2300 char reason[MAXBUF];
2301 snprintf(reason,MAXBUF,"K-Lined: %s",r);
2302 kill_link_silent(user,reason);
2306 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
2307 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
2308 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
2309 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
2310 WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
2311 WriteServ(user->fd,"005 %s MAP KNOCK SAFELIST HCN MAXCHANNELS=20 MAXBANS=60 NICKLEN=30 TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 :are supported by this server",user->nick);
2312 WriteServ(user->fd,"005 %s WALLCHOPS WATCH=128 SILENCE=5 MODES=13 CHANTYPES=# PREFIX=(ohv)@%c+ CHANMODES=ohvbeqa,kfL,l,psmntirRcOAQKVHGCuzN NETWORK=%s :are supported by this server",user->nick,'%',Network);
2314 FOREACH_MOD OnUserConnect(user);
2315 WriteOpers("*** Client connecting on port %d: %s!%s@%s",user->port,user->nick,user->ident,user->host);
2317 char buffer[MAXBUF];
2318 snprintf(buffer,MAXBUF,"N %d %s %s %s %s +%s %s :%s",user->age,user->nick,user->host,user->dhost,user->ident,user->modes,ServerName,user->fullname);
2319 NetSendToAll(buffer);
2322 void handle_version(char **parameters, int pcnt, userrec *user)
2324 char Revision[] = "$Revision$";
2326 char *s1 = Revision;
2328 char *v1 = strtok_r(s1," ",&savept);
2330 char *v2 = strtok_r(s1," ",&savept);
2333 WriteServ(user->fd,"351 %s :%s Rev. %s %s :%s (O=%d)",user->nick,VERSION,v2,ServerName,SYSTEM,OPTIMISATION);
2337 // calls a handler function for a command
2339 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
2341 for (int i = 0; i < cmdlist.size(); i++)
2343 if (!strcasecmp(cmdlist[i].command,commandname))
2345 if (cmdlist[i].handler_function)
2347 if (pcnt>=cmdlist[i].min_params)
2349 if (strchr(user->modes,cmdlist[i].flags_needed))
2351 cmdlist[i].handler_function(parameters,pcnt,user);
2359 void DoSplitEveryone()
2361 bool go_again = true;
2365 for (int i = 0; i < 32; i++)
2369 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2371 if (strcasecmp(j->GetServerName().c_str(),ServerName))
2374 j->CloseConnection();
2375 me[i]->connectors.erase(j);
2383 log(DEBUG,"Removed server. Will remove clients...");
2384 // iterate through the userlist and remove all users on this server.
2385 // because we're dealing with a mesh, we dont have to deal with anything
2386 // "down-route" from this server (nice huh)
2388 char reason[MAXBUF];
2392 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2394 if (strcasecmp(u->second->server,ServerName))
2396 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
2397 kill_link(u->second,reason);
2407 char islast(const char* s)
2410 for (int j = 0; j < 32; j++)
2414 for (int k = 0; k < me[j]->connectors.size(); k++)
2416 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2420 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
2430 long map_count(const char* s)
2433 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
2435 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
2441 void force_nickchange(userrec* user,const char* newnick)
2448 FOREACH_RESULT(OnUserPreNick(user,newnick));
2450 kill_link(user,"Nickname collision");
2453 if (matches_qline(newnick))
2455 kill_link(user,"Nickname collision");
2463 strncpy(nick,newnick,MAXBUF);
2465 if (user->registered == 7)
2469 handle_nick(pars,1,user);
2475 int process_parameters(char **command_p,char *parameters)
2480 q = strlen(parameters);
2483 /* no parameters, command_p invalid! */
2486 if (parameters[0] == ':')
2488 command_p[0] = parameters+1;
2493 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
2495 /* only one parameter */
2496 command_p[0] = parameters;
2497 if (parameters[0] == ':')
2499 if (strchr(parameters,' ') != NULL)
2507 command_p[j++] = parameters;
2508 for (int i = 0; i <= q; i++)
2510 if (parameters[i] == ' ')
2512 command_p[j++] = parameters+i+1;
2513 parameters[i] = '\0';
2514 if (command_p[j-1][0] == ':')
2516 *command_p[j-1]++; /* remove dodgy ":" */
2518 /* parameter like this marks end of the sequence */
2522 return j; /* returns total number of items in the list */
2525 void process_command(userrec *user, char* cmd)
2529 char *command_p[127];
2530 char p[MAXBUF], temp[MAXBUF];
2531 int i, j, items, cmd_found;
2533 for (int i = 0; i < 127; i++)
2534 command_p[i] = NULL;
2544 if (!strcmp(cmd,""))
2549 int total_params = 0;
2552 for (int q = 0; q < strlen(cmd)-1; q++)
2554 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
2557 // found a 'trailing', we dont count them after this.
2565 // another phidjit bug...
2566 if (total_params > 126)
2568 kill_link(user,"Protocol violation (1)");
2574 std::string tmp = cmd;
2575 for (int i = 0; i <= MODCOUNT; i++)
2577 std::string oldtmp = tmp;
2578 modules[i]->OnServerRaw(tmp,true);
2581 log(DEBUG,"A Module changed the input string!");
2582 log(DEBUG,"New string: %s",tmp.c_str());
2583 log(DEBUG,"Old string: %s",oldtmp.c_str());
2587 strncpy(cmd,tmp.c_str(),MAXBUF);
2590 if (!strchr(cmd,' '))
2592 /* no parameters, lets skip the formalities and not chop up
2594 log(DEBUG,"About to preprocess command with no params");
2596 command_p[0] = NULL;
2598 for (int i = 0; i <= strlen(cmd); i++)
2600 cmd[i] = toupper(cmd[i]);
2602 log(DEBUG,"Preprocess done length=%d",strlen(cmd));
2609 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
2610 for (int i = 0; i < strlen(temp); i++)
2612 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
2618 /* split the full string into a command plus parameters */
2622 if (strchr(cmd,' '))
2624 for (int i = 0; i <= strlen(cmd); i++)
2626 /* capitalise the command ONLY, leave params intact */
2627 cmd[i] = toupper(cmd[i]);
2628 /* are we nearly there yet?! :P */
2632 parameters = cmd+i+1;
2640 for (int i = 0; i <= strlen(cmd); i++)
2642 cmd[i] = toupper(cmd[i]);
2649 if (strlen(command)>MAXCOMMAND)
2651 kill_link(user,"Protocol violation (2)");
2655 for (int x = 0; x < strlen(command); x++)
2657 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
2659 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
2661 if (!strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
2663 kill_link(user,"Protocol violation (3)");
2670 for (int i = 0; i != cmdlist.size(); i++)
2672 if (strcmp(cmdlist[i].command,""))
2674 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
2676 log(DEBUG,"Found matching command");
2680 if (strcmp(parameters,""))
2682 items = process_parameters(command_p,parameters);
2687 command_p[0] = NULL;
2693 command_p[0] = NULL;
2698 log(DEBUG,"Processing command");
2700 /* activity resets the ping pending timer */
2701 user->nping = time(NULL) + 120;
2702 if ((items) < cmdlist[i].min_params)
2704 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
2705 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
2708 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
2710 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
2711 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
2715 /* if the command isnt USER, PASS, or NICK, and nick is empty,
2717 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
2719 if ((!isnick(user->nick)) || (user->registered != 7))
2721 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2722 WriteServ(user->fd,"451 %s :You have not registered",command);
2726 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
2728 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
2729 if (cmdlist[i].handler_function)
2731 /* ikky /stats counters */
2736 user->bytes_in += strlen(temp);
2739 cmdlist[i].use_count++;
2740 cmdlist[i].total_bytes+=strlen(temp);
2743 /* WARNING: nothing may come after the
2744 * command handler call, as the handler
2745 * may free the user structure! */
2747 cmdlist[i].handler_function(command_p,items,user);
2753 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
2754 WriteServ(user->fd,"451 %s :You have not registered",command);
2762 if ((!cmd_found) && (user))
2764 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
2765 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
2770 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
2773 /* create the command and push it onto the table */
2774 strcpy(comm.command,cmd);
2775 comm.handler_function = f;
2776 comm.flags_needed = flags;
2777 comm.min_params = minparams;
2779 comm.total_bytes = 0;
2780 cmdlist.push_back(comm);
2781 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
2784 void SetupCommandTable(void)
2786 createcommand("USER",handle_user,0,4);
2787 createcommand("NICK",handle_nick,0,1);
2788 createcommand("QUIT",handle_quit,0,0);
2789 createcommand("VERSION",handle_version,0,0);
2790 createcommand("PING",handle_ping,0,1);
2791 createcommand("PONG",handle_pong,0,1);
2792 createcommand("ADMIN",handle_admin,0,0);
2793 createcommand("PRIVMSG",handle_privmsg,0,2);
2794 createcommand("INFO",handle_info,0,0);
2795 createcommand("TIME",handle_time,0,0);
2796 createcommand("WHOIS",handle_whois,0,1);
2797 createcommand("WALLOPS",handle_wallops,'o',1);
2798 createcommand("NOTICE",handle_notice,0,2);
2799 createcommand("JOIN",handle_join,0,1);
2800 createcommand("NAMES",handle_names,0,1);
2801 createcommand("PART",handle_part,0,1);
2802 createcommand("KICK",handle_kick,0,2);
2803 createcommand("MODE",handle_mode,0,1);
2804 createcommand("TOPIC",handle_topic,0,1);
2805 createcommand("WHO",handle_who,0,1);
2806 createcommand("MOTD",handle_motd,0,0);
2807 createcommand("RULES",handle_rules,0,0);
2808 createcommand("OPER",handle_oper,0,2);
2809 createcommand("LIST",handle_list,0,0);
2810 createcommand("DIE",handle_die,'o',1);
2811 createcommand("RESTART",handle_restart,'o',1);
2812 createcommand("KILL",handle_kill,'o',2);
2813 createcommand("REHASH",handle_rehash,'o',0);
2814 createcommand("LUSERS",handle_lusers,0,0);
2815 createcommand("STATS",handle_stats,0,1);
2816 createcommand("USERHOST",handle_userhost,0,1);
2817 createcommand("AWAY",handle_away,0,0);
2818 createcommand("ISON",handle_ison,0,0);
2819 createcommand("SUMMON",handle_summon,0,0);
2820 createcommand("USERS",handle_users,0,0);
2821 createcommand("INVITE",handle_invite,0,2);
2822 createcommand("PASS",handle_pass,0,1);
2823 createcommand("TRACE",handle_trace,'o',0);
2824 createcommand("WHOWAS",handle_whowas,0,1);
2825 createcommand("CONNECT",handle_connect,'o',1);
2826 createcommand("SQUIT",handle_squit,'o',0);
2827 createcommand("MODULES",handle_modules,'o',0);
2828 createcommand("LINKS",handle_links,0,0);
2829 createcommand("MAP",handle_map,0,0);
2830 createcommand("KLINE",handle_kline,'o',1);
2831 createcommand("GLINE",handle_gline,'o',1);
2832 createcommand("ZLINE",handle_zline,'o',1);
2833 createcommand("QLINE",handle_qline,'o',1);
2836 void process_buffer(const char* cmdbuf,userrec *user)
2840 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2847 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
2850 if (!strcmp(cmdbuf,""))
2854 while ((cmdbuf[0] == ' ') && (strlen(cmdbuf)>0)) cmdbuf++; // strip leading spaces
2856 strncpy(cmd,cmdbuf,MAXBUF);
2857 if (!strcmp(cmd,""))
2861 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
2863 cmd[strlen(cmd)-1] = '\0';
2865 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
2867 cmd[strlen(cmd)-1] = '\0';
2870 while ((cmd[strlen(cmd)-1] == ' ') && (strlen(cmd)>0)) // strip trailing spaces
2872 cmd[strlen(cmd)-1] = '\0';
2875 if (!strcmp(cmd,""))
2879 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
2881 if ((user) && (cmd))
2883 process_command(user,cmd);
2887 void DoSync(serverrec* serv, char* tcp_host)
2890 log(DEBUG,"Sending sync");
2891 // send start of sync marker: Y <timestamp>
2892 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
2893 // except the ones its receiving it from.
2894 snprintf(data,MAXBUF,"Y %d",time(NULL));
2895 serv->SendPacket(data,tcp_host);
2896 // send users and channels
2897 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
2899 snprintf(data,MAXBUF,"N %d %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->server,u->second->fullname);
2900 serv->SendPacket(data,tcp_host);
2901 if (strcmp(chlist(u->second),""))
2903 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chlist(u->second));
2904 serv->SendPacket(data,tcp_host);
2907 // send channel modes, topics etc...
2908 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
2910 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
2911 serv->SendPacket(data,tcp_host);
2912 if (strcmp(c->second->topic,""))
2914 snprintf(data,MAXBUF,"T %d %s %s :%s",c->second->topicset,c->second->setby,c->second->name,c->second->topic);
2915 serv->SendPacket(data,tcp_host);
2917 // send current banlist
2919 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
2921 snprintf(data,MAXBUF,"M %s +b %s",b->set_time,c->second->name,b->data);
2922 serv->SendPacket(data,tcp_host);
2925 // sync global zlines, glines, etc
2926 sync_xlines(serv,tcp_host);
2927 snprintf(data,MAXBUF,"F %d",time(NULL));
2928 serv->SendPacket(data,tcp_host);
2929 log(DEBUG,"Sent sync");
2930 // ircd sends its serverlist after the end of sync here
2934 void NetSendMyRoutingTable()
2936 // send out a line saying what is reachable to us.
2937 // E.g. if A is linked to B C and D, send out:
2939 // if its only linked to B and D send out:
2941 // if it has no links, dont even send out the line at all.
2942 char buffer[MAXBUF];
2943 sprintf(buffer,"$ %s",ServerName);
2944 bool sendit = false;
2945 for (int i = 0; i < 32; i++)
2949 for (int j = 0; j < me[i]->connectors.size(); j++)
2951 if (me[i]->connectors[j].GetState() != STATE_DISCONNECTED)
2953 strncat(buffer," ",MAXBUF);
2954 strncat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
2961 NetSendToAll(buffer);
2965 void DoSplit(const char* params)
2967 bool go_again = true;
2971 for (int i = 0; i < 32; i++)
2975 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2977 if (!strcasecmp(j->GetServerName().c_str(),params))
2980 j->CloseConnection();
2981 me[i]->connectors.erase(j);
2989 log(DEBUG,"Removed server. Will remove clients...");
2990 // iterate through the userlist and remove all users on this server.
2991 // because we're dealing with a mesh, we dont have to deal with anything
2992 // "down-route" from this server (nice huh)
2994 char reason[MAXBUF];
2995 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2999 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
3001 if (!strcasecmp(u->second->server,params))
3003 kill_link(u->second,reason);
3011 // removes a server. Will NOT remove its users!
3013 void RemoveServer(const char* name)
3015 bool go_again = true;
3019 for (int i = 0; i < 32; i++)
3023 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
3025 if (!strcasecmp(j->GetServerName().c_str(),name))
3028 j->CloseConnection();
3029 me[i]->connectors.erase(j);
3040 int reap_counter = 0;
3044 struct sockaddr_in client, server;
3045 char addrs[MAXBUF][255];
3046 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
3048 int count = 0, scanDetectTrigger = TRUE, showBanner = FALSE;
3049 int selectResult = 0, selectResult2 = 0;
3050 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
3051 char resolvedHost[MAXBUF];
3055 log_file = fopen("ircd.log","a+");
3058 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
3062 log(DEBUG,"InspIRCd: startup: begin");
3066 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
3068 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
3070 SetupCommandTable();
3071 log(DEBUG,"InspIRCd: startup: default command table set up");
3074 if (strcmp(DieValue,""))
3076 printf("WARNING: %s\n\n",DieValue);
3079 log(DEBUG,"InspIRCd: startup: read config");
3081 int count2 = 0, count3 = 0;
3083 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
3085 ConfValue("bind","port",count,configToken,&config_f);
3086 ConfValue("bind","address",count,Addr,&config_f);
3087 ConfValue("bind","type",count,Type,&config_f);
3088 if (!strcmp(Type,"servers"))
3090 char Default[MAXBUF];
3091 strcpy(Default,"no");
3092 ConfValue("bind","default",count,Default,&config_f);
3093 if (strchr(Default,'y'))
3095 defaultRoute = count3;
3096 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
3098 me[count3] = new serverrec(ServerName,100L,false);
3099 me[count3]->CreateListener(Addr,atoi(configToken));
3104 ports[count2] = atoi(configToken);
3105 strcpy(addrs[count2],Addr);
3108 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
3111 UDPportCount = count3;
3113 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
3115 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
3119 /* BugFix By Craig! :p */
3121 for (count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
3123 char modfile[MAXBUF];
3124 ConfValue("module","name",count2,configToken,&config_f);
3125 sprintf(modfile,"%s/%s",MOD_PATH,configToken,&config_f);
3126 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
3127 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
3128 /* If The File Doesnt exist, Trying to load it
3129 * Will Segfault the IRCd.. So, check to see if
3130 * it Exists, Before Proceeding. */
3131 if (FileExists(modfile))
3133 factory[count] = new ircd_module(modfile);
3134 if (factory[count]->LastError())
3136 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
3137 sprintf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
3140 if (factory[count]->factory)
3142 modules[count] = factory[count]->factory->CreateModule();
3143 /* save the module and the module's classfactory, if
3144 * this isnt done, random crashes can occur :/ */
3145 module_names.push_back(modfile);
3149 log(DEBUG,"Unable to load %s",modfile);
3150 sprintf("Unable to load %s\nExiting...\n",modfile);
3153 /* Increase the Count */
3158 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
3159 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
3162 MODCOUNT = count - 1;
3163 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
3165 printf("\nInspIRCd is now running!\n");
3167 startup_time = time(NULL);
3171 log(VERBOSE,"Not forking as -nofork was specified");
3175 if (DaemonSeed() == ERROR)
3177 log(DEBUG,"InspIRCd: startup: can't daemonise");
3178 printf("ERROR: could not go into daemon mode. Shutting down.\n");
3184 /* setup select call */
3185 FD_ZERO(&selectFds);
3186 log(DEBUG,"InspIRCd: startup: zero selects");
3187 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
3189 for (count = 0; count < portCount; count++)
3191 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
3193 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
3196 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
3198 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
3200 else /* well we at least bound to one socket so we'll continue */
3206 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
3208 /* if we didn't bind to anything then abort */
3209 if (boundPortCount == 0)
3211 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
3216 length = sizeof (client);
3217 char udp_msg[MAXBUF], tcp_host[MAXBUF];
3219 /* main loop, this never returns */
3222 #ifdef _POSIX_PRIORITY_SCHEDULING
3225 // update the status of klines, etc
3232 user_hash::iterator count2 = clientlist.begin();
3234 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
3235 // them in a list, then reap the list every second or so.
3236 if (reap_counter>300)
3238 if (fd_reap.size() > 0)
3240 for( int n = 0; n < fd_reap.size(); n++)
3242 Blocking(fd_reap[n]);
3244 NonBlocking(fd_reap[n]);
3253 FD_ZERO(&serverfds);
3256 for (int x = 0; x != UDPportCount; x++)
3258 FD_SET(me[x]->fd, &serverfds);
3264 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
3267 for (int x = 0; x != UDPportCount; x++)
3269 if (FD_ISSET (me[x]->fd, &serverfds))
3271 char remotehost[MAXBUF],resolved[MAXBUF];
3272 length = sizeof (client);
3273 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
3274 strncpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
3275 if(CleanAndResolve(resolved, remotehost) != TRUE)
3277 strncpy(resolved,remotehost,MAXBUF);
3279 // add to this connections ircd_connector vector
3280 // *FIX* - we need the LOCAL port not the remote port in &client!
3281 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
3286 for (int x = 0; x < UDPportCount; x++)
3288 std::deque<std::string> msgs;
3290 if (me[x]->RecvPacket(msgs, tcp_host))
3292 for (int ctr = 0; ctr < msgs.size(); ctr++)
3294 char udp_msg[MAXBUF];
3295 strncpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
3296 if (strlen(udp_msg)<1)
3298 log(DEBUG,"Invalid string from %s [route%d]",tcp_host,x);
3301 // during a netburst, send all data to all other linked servers
3302 if ((((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))) || (is_uline(tcp_host)))
3304 if (is_uline(tcp_host))
3306 if ((udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
3308 NetSendToAllExcept(tcp_host,udp_msg);
3312 NetSendToAllExcept(tcp_host,udp_msg);
3314 FOREACH_MOD OnPacketReceive(udp_msg);
3315 handle_link_packet(udp_msg, tcp_host, me[x]);
3322 while (count2 != clientlist.end())
3325 tval.tv_usec = tval.tv_sec = 0;
3327 int total_in_this_set = 0;
3329 user_hash::iterator xcount = count2;
3330 user_hash::iterator endingiter = count2;
3332 if (!count2->second) break;
3335 if (count2->second->fd != 0)
3337 // assemble up to 64 sockets into an fd_set
3338 // to implement a pooling mechanism.
3340 // This should be up to 64x faster than the
3341 // old implementation.
3342 while (total_in_this_set < 64)
3344 if (count2 != clientlist.end())
3346 // we don't check the state of remote users.
3347 if (count2->second->fd > 0)
3349 FD_SET (count2->second->fd, &sfd);
3351 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
3352 // their connection class.
3353 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
3355 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
3356 kill_link(count2->second,"Registration timeout");
3359 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
3361 if ((!count2->second->lastping) && (count2->second->registered == 7))
3363 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
3364 kill_link(count2->second,"Ping timeout");
3367 Write(count2->second->fd,"PING :%s",ServerName);
3368 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
3369 count2->second->lastping = 0;
3370 count2->second->nping = time(NULL)+120;
3374 total_in_this_set++;
3379 endingiter = count2;
3380 count2 = xcount; // roll back to where we were
3386 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
3388 // now loop through all of the items in this pool if any are waiting
3389 //if (selectResult2 > 0)
3390 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
3393 #ifdef _POSIX_PRIORITY_SCHEDULING
3398 if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
3400 log(DEBUG,"Reading fd %d",count2a->second->fd);
3401 memset(data, 0, 10240);
3402 result = read(count2a->second->fd, data, 10240);
3407 log(DEBUG,"Read %d characters from socket",result);
3408 userrec* current = count2a->second;
3409 int currfd = current->fd;
3410 char* l = strtok(data,"\n");
3415 if ((floodlines > current->flood) && (current->flood != 0))
3417 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3418 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
3419 kill_link(current,"Excess flood");
3422 char sanitized[NetBufferSize];
3423 memset(sanitized, 0, NetBufferSize);
3425 for (int pt = 0; pt < strlen(l); pt++)
3429 sanitized[ptt++] = l[pt];
3432 sanitized[ptt] = '\0';
3433 if (strlen(sanitized))
3437 // we're gonna re-scan to check if the nick is gone, after every
3438 // command - if it has, we're gonna bail
3439 bool find_again = false;
3440 process_buffer(sanitized,current);
3442 // look for the user's record in case it's changed
3443 for (user_hash::iterator c2 = clientlist.begin(); c2 != clientlist.end(); c2++)
3445 if (c2->second->fd == currfd)
3447 // found again, update pointer
3448 current == c2->second;
3457 l = strtok(NULL,"\n");
3462 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
3464 log(DEBUG,"killing: %s",count2a->second->nick);
3465 kill_link(count2a->second,strerror(errno));
3469 // result EAGAIN means nothing read
3470 if (result == EAGAIN)
3478 log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
3479 kill_link(count2a->second,"Client exited");
3480 // must bail here? kill_link removes the hash, corrupting the iterator
3481 log(DEBUG,"Bailing from client exit");
3485 else if (result > 0)
3490 for (int q = 0; q < total_in_this_set; q++)
3492 // there is no iterator += operator :(
3493 //if (count2 != clientlist.end())
3500 // set up select call
3501 for (count = 0; count < boundPortCount; count++)
3503 FD_SET (openSockfd[count], &selectFds);
3507 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
3509 /* select is reporting a waiting socket. Poll them all to find out which */
3510 if (selectResult > 0)
3512 char target[MAXBUF], resolved[MAXBUF];
3513 for (count = 0; count < boundPortCount; count++)
3515 if (FD_ISSET (openSockfd[count], &selectFds))
3517 length = sizeof (client);
3518 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
3520 address_cache::iterator iter = IP.find(client.sin_addr);
3521 bool iscached = false;
3522 if (iter == IP.end())
3524 /* ip isn't in cache, add it */
3525 strncpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
3526 if(CleanAndResolve(resolved, target) != TRUE)
3528 strncpy(resolved,target,MAXBUF);
3530 /* hostname now in 'target' */
3531 IP[client.sin_addr] = new string(resolved);
3532 /* hostname in cache */
3536 /* found ip (cached) */
3537 strncpy(resolved, iter->second->c_str(), MAXBUF);
3541 if (incomingSockfd < 0)
3543 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
3544 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
3548 AddClient(incomingSockfd, resolved, ports[count], iscached, target);
3549 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
3556 if(0) {}; // "Label must be followed by a statement"... so i gave it one.
3559 close (incomingSockfd);