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>
44 #include "connection.h"
54 #define nspace __gnu_cxx
59 int LogLevel = DEFAULT;
60 char ServerName[MAXBUF];
62 char ServerDesc[MAXBUF];
63 char AdminName[MAXBUF];
64 char AdminEmail[MAXBUF];
65 char AdminNick[MAXBUF];
67 char restartpass[MAXBUF];
71 char PrefixQuit[MAXBUF];
72 char DieValue[MAXBUF];
74 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
75 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
77 time_t startup_time = time(NULL);
79 extern vector<Module*> modules;
80 vector<string> module_names;
81 extern vector<ircd_module*> factory;
92 template<> struct nspace::hash<in_addr>
94 size_t operator()(const struct in_addr &a) const
97 memcpy(&q,&a,sizeof(size_t));
102 template<> struct nspace::hash<string>
104 size_t operator()(const string &s) const
107 static struct hash<const char *> strhash;
119 bool operator()(const string& s1, const string& s2) const
121 char a[MAXBUF],b[MAXBUF];
122 strcpy(a,s1.c_str());
123 strcpy(b,s2.c_str());
124 return (strcasecmp(a,b) == 0);
129 struct InAddr_HashComp
132 bool operator()(const in_addr &s1, const in_addr &s2) const
137 memcpy(&q,&s1,sizeof(size_t));
138 memcpy(&p,&s2,sizeof(size_t));
146 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
147 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
148 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
149 typedef std::deque<command_t> command_table;
152 serverrec* servers[255];
156 user_hash clientlist;
159 command_table cmdlist;
166 struct linger linger = { 0 };
167 char bannerBuffer[MAXBUF];
168 int boundPortCount = 0;
169 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
170 int defaultRoute = 0;
174 long MyKey = C.GenKey();
178 int has_channel(userrec *u, chanrec *c);
179 int usercount(chanrec *c);
180 int usercount_i(chanrec *c);
181 void update_stats_l(int fd,int data_out);
182 char* Passwd(userrec *user);
183 bool IsDenied(userrec *user);
184 void AddWhoWas(userrec* u);
186 std::stringstream config_f(stringstream::in | stringstream::out);
188 void safedelete(userrec *p)
192 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
193 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
198 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
202 void safedelete(chanrec *p)
207 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
211 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
216 void tidystring(char* str)
218 // strips out double spaces before a : parameter
221 bool go_again = true;
228 while ((str[0] == ' ') && (strlen(str)>0))
235 bool noparse = false;
238 while (a < strlen(str))
240 if ((a<strlen(str)-1) && (noparse==false))
242 if ((str[a] == ' ') && (str[a+1] == ' '))
244 log(DEBUG,"Tidied extra space out of string: %s",str);
252 if ((str[a] == ' ') && (str[a+1] == ':'))
258 temp[t++] = str[a++];
261 strncpy(str,temp,MAXBUF);
265 /* chop a string down to 512 characters and preserve linefeed (irc max
272 log(DEBUG,"ERROR! Null string passed to chop()!");
276 FOREACH_MOD OnServerRaw(temp,false);
277 const char* str2 = temp.c_str();
278 sprintf(str,"%s",str2);
281 if (strlen(str) >= 512)
290 std::string getservername()
295 std::string getserverdesc()
300 std::string getnetworkname()
305 std::string getadminname()
310 std::string getadminemail()
315 std::string getadminnick()
320 void log(int level,char *text, ...)
322 char textbuffer[MAXBUF];
325 struct tm * timeinfo;
326 if (level < LogLevel)
330 timeinfo = localtime (&rawtime);
335 va_start (argsPtr, text);
336 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
338 strcpy(b,asctime(timeinfo));
339 b[strlen(b)-1] = ':';
340 fprintf(log_file,"%s %s\n",b,textbuffer);
343 // nofork enabled? display it on terminal too
344 printf("%s %s\n",b,textbuffer);
349 void readfile(file_cache &F, const char* fname)
352 char linebuf[MAXBUF];
354 log(DEBUG,"readfile: loading %s",fname);
356 file = fopen(fname,"r");
361 fgets(linebuf,sizeof(linebuf),file);
362 linebuf[strlen(linebuf)-1]='\0';
363 if (!strcmp(linebuf,""))
369 F.push_back(linebuf);
376 log(DEBUG,"readfile: failed to load file: %s",fname);
378 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
381 void ReadConfig(void)
383 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF];
386 LoadConf(CONFIG_FILE,&config_f);
388 ConfValue("server","name",0,ServerName,&config_f);
389 ConfValue("server","description",0,ServerDesc,&config_f);
390 ConfValue("server","network",0,Network,&config_f);
391 ConfValue("admin","name",0,AdminName,&config_f);
392 ConfValue("admin","email",0,AdminEmail,&config_f);
393 ConfValue("admin","nick",0,AdminNick,&config_f);
394 ConfValue("files","motd",0,motd,&config_f);
395 ConfValue("files","rules",0,rules,&config_f);
396 ConfValue("power","diepass",0,diepass,&config_f);
397 ConfValue("power","pause",0,pauseval,&config_f);
398 ConfValue("power","restartpass",0,restartpass,&config_f);
399 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
400 ConfValue("die","value",0,DieValue,&config_f);
401 ConfValue("options","loglevel",0,dbg,&config_f);
402 if (!strcmp(dbg,"debug"))
404 if (!strcmp(dbg,"verbose"))
406 if (!strcmp(dbg,"default"))
408 if (!strcmp(dbg,"sparse"))
410 if (!strcmp(dbg,"none"))
413 log(DEBUG,"Reading message of the day");
414 readfile(RULES,rules);
415 log(DEBUG,"Reading connect classes");
417 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
420 ConfValue("connect","allow",i,Value,&config_f);
421 ConfValue("connect","timeout",i,timeout,&config_f);
422 if (strcmp(Value,""))
424 strcpy(c.host,Value);
427 ConfValue("connect","password",i,Value,&config_f);
428 strcpy(c.pass,Value);
429 c.registration_timeout = 90; // default is 2 minutes
432 c.registration_timeout = atoi(timeout);
434 Classes.push_back(c);
435 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s",c.host,c.pass);
439 ConfValue("connect","deny",i,Value,&config_f);
440 strcpy(c.host,Value);
442 Classes.push_back(c);
443 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
452 log(DEBUG,"Blocking: %d",s);
453 flags = fcntl(s, F_GETFL, 0);
454 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
457 void NonBlocking(int s)
460 log(DEBUG,"NonBlocking: %d",s);
461 //flags = fcntl(s, F_GETFL, 0);
462 fcntl(s, F_SETFL, O_NONBLOCK);
463 //fcntl(s, F_SETFL, flags | O_NONBLOCK);
467 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
469 struct hostent *hostPtr = NULL;
472 memset (resolvedHost, '\0',MAXBUF);
473 if(unresolvedHost == NULL)
475 if ((inet_aton(unresolvedHost,&addr)) == 0)
477 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
479 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
481 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
485 /* write formatted text to a socket, in same format as printf */
487 void Write(int sock,char *text, ...)
491 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
494 char textbuffer[MAXBUF];
498 va_start (argsPtr, text);
499 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
501 sprintf(tb,"%s\r\n",textbuffer);
503 write(sock,tb,strlen(tb));
504 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
507 /* write a server formatted numeric response to a single socket */
509 void WriteServ(int sock, char* text, ...)
513 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
516 char textbuffer[MAXBUF],tb[MAXBUF];
518 va_start (argsPtr, text);
520 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
522 sprintf(tb,":%s %s\r\n",ServerName,textbuffer);
524 write(sock,tb,strlen(tb));
525 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
528 /* write text from an originating user to originating user */
530 void WriteFrom(int sock, userrec *user,char* text, ...)
532 if ((!text) || (!user))
534 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
537 char textbuffer[MAXBUF],tb[MAXBUF];
539 va_start (argsPtr, text);
541 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
543 sprintf(tb,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
545 write(sock,tb,strlen(tb));
546 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
549 /* write text to an destination user from a source user (e.g. user privmsg) */
551 void WriteTo(userrec *source, userrec *dest,char *data, ...)
553 if ((!source) || (!dest) || (!data))
555 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
558 char textbuffer[MAXBUF],tb[MAXBUF];
560 va_start (argsPtr, data);
561 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
564 WriteFrom(dest->fd,source,"%s",textbuffer);
567 /* write formatted text from a source user to all users on a channel
568 * including the sender (NOT for privmsg, notice etc!) */
570 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
572 if ((!Ptr) || (!user) || (!text))
574 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
577 char textbuffer[MAXBUF];
579 va_start (argsPtr, text);
580 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
582 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
584 if (has_channel(i->second,Ptr))
586 WriteTo(user,i->second,"%s",textbuffer);
591 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
593 if ((!Ptr) || (!user) || (!text))
595 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
598 char textbuffer[MAXBUF];
600 va_start (argsPtr, text);
601 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
603 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
607 if (has_channel(i->second,Ptr))
609 WriteServ(i->second->fd,"%s",textbuffer);
616 /* write formatted text from a source user to all users on a channel except
617 * for the sender (for privmsg etc) */
619 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
621 if ((!Ptr) || (!user) || (!text))
623 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
626 char textbuffer[MAXBUF];
628 va_start (argsPtr, text);
629 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
632 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
636 if (has_channel(i->second,Ptr) && (user != i->second))
638 WriteTo(user,i->second,"%s",textbuffer);
644 int c_count(userrec* u)
647 for (int i =0; i != MAXCHANS; i++)
648 if (u->chans[i].channel != NULL)
654 /* return 0 or 1 depending if users u and u2 share one or more common channels
655 * (used by QUIT, NICK etc which arent channel specific notices) */
657 int common_channels(userrec *u, userrec *u2)
664 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
667 for (i = 0; i != MAXCHANS; i++)
669 for (z = 0; z != MAXCHANS; z++)
671 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
673 if ((u->chans[i].channel == u2->chans[z].channel) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
675 if ((c_count(u)) && (c_count(u2)))
686 /* write a formatted string to all users who share at least one common
687 * channel, including the source user e.g. for use in NICK */
689 void WriteCommon(userrec *u, char* text, ...)
693 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
697 if (u->registered != 7) {
698 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
702 char textbuffer[MAXBUF];
704 va_start (argsPtr, text);
705 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
708 WriteFrom(u->fd,u,"%s",textbuffer);
710 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
714 if (common_channels(u,i->second) && (i->second != u))
716 WriteFrom(i->second->fd,u,"%s",textbuffer);
722 /* write a formatted string to all users who share at least one common
723 * channel, NOT including the source user e.g. for use in QUIT */
725 void WriteCommonExcept(userrec *u, char* text, ...)
729 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
733 if (u->registered != 7) {
734 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
738 char textbuffer[MAXBUF];
740 va_start (argsPtr, text);
741 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
744 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
748 if ((common_channels(u,i->second)) && (u != i->second))
750 WriteFrom(i->second->fd,u,"%s",textbuffer);
756 void WriteOpers(char* text, ...)
760 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
764 char textbuffer[MAXBUF];
766 va_start (argsPtr, text);
767 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
770 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
774 if (strchr(i->second->modes,'o'))
776 if (strchr(i->second->modes,'s'))
778 // send server notices to all with +s
779 // (TODO: needs SNOMASKs)
780 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
787 bool hasumode(userrec* user, char mode)
791 return (strchr(user->modes,mode)>0);
796 void WriteMode(const char* modes, int flags, const char* text, ...)
798 if ((!text) || (!modes) || (!flags))
800 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
804 char textbuffer[MAXBUF];
806 va_start (argsPtr, text);
807 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
810 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
814 bool send_to_user = false;
819 for (int n = 0; n < strlen(modes); n++)
821 if (!hasumode(i->second,modes[n]))
823 send_to_user = false;
828 else if (flags == WM_OR)
830 send_to_user = false;
831 for (int n = 0; n < strlen(modes); n++)
833 if (hasumode(i->second,modes[n]))
843 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
849 void WriteWallOps(userrec *source, char* text, ...)
851 if ((!text) || (!source))
853 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
858 char textbuffer[MAXBUF];
860 va_start (argsPtr, text);
861 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
864 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
868 if (strchr(i->second->modes,'w'))
870 WriteTo(source,i->second,"WALLOPS %s",textbuffer);
876 /* convert a string to lowercase. Note following special circumstances
877 * taken from RFC 1459. Many "official" server branches still hold to this
878 * rule so i will too;
880 * Because of IRC's scandanavian origin, the characters {}| are
881 * considered to be the lower case equivalents of the characters []\,
882 * respectively. This is a critical issue when determining the
883 * equivalence of two nicknames.
886 void strlower(char *n)
892 for (int i = 0; i != strlen(n); i++)
894 n[i] = tolower(n[i]);
904 /* verify that a user's ident and nickname is valid */
906 int isident(const char* n)
919 for (i = 0; i != strlen(n); i++)
921 if ((n[i] < 33) || (n[i] > 125))
925 /* can't occur ANYWHERE in an Ident! */
926 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
935 int isnick(const char* n)
947 if (strlen(n) > NICKMAX-1)
951 for (i = 0; i != strlen(n); i++)
953 if ((n[i] < 33) || (n[i] > 125))
957 /* can't occur ANYWHERE in a nickname! */
958 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
962 /* can't occur as the first char of a nickname... */
963 if ((strchr("0123456789",n[i])) && (!i))
971 /* Find a user record by nickname and return a pointer to it */
973 userrec* Find(string nick)
975 user_hash::iterator iter = clientlist.find(nick);
977 if (iter == clientlist.end())
978 /* Couldn't find it */
984 void update_stats_l(int fd,int data_out) /* add one line-out to stats L for this fd */
986 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
990 if (i->second->fd == fd)
992 i->second->bytes_out+=data_out;
993 i->second->cmds_out++;
1000 /* find a channel record by channel name and return a pointer to it */
1002 chanrec* FindChan(const char* chan)
1006 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1010 chan_hash::iterator iter = chanlist.find(chan);
1012 if (iter == chanlist.end())
1013 /* Couldn't find it */
1016 return iter->second;
1020 void purge_empty_chans(void)
1022 int go_again = 1, purge = 0;
1027 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1030 if (!usercount(i->second))
1032 /* kill the record */
1033 if (i != chanlist.end())
1035 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1045 log(DEBUG,"skipped purge for %s",i->second->name);
1050 log(DEBUG,"completed channel purge, killed %d",purge);
1053 /* returns the status character for a given user on a channel, e.g. @ for op,
1054 * % for halfop etc. If the user has several modes set, the highest mode
1055 * the user has must be returned. */
1057 char* cmode(userrec *user, chanrec *chan)
1059 if ((!user) || (!chan))
1061 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
1066 for (i = 0; i != MAXCHANS; i++)
1068 if ((user->chans[i].channel == chan) && (chan != NULL))
1070 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1074 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1078 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1087 char scratch[MAXBUF];
1088 char sparam[MAXBUF];
1090 char* chanmodes(chanrec *chan)
1094 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1101 if (chan->noexternal)
1103 strncat(scratch,"n",MAXMODES);
1105 if (chan->topiclock)
1107 strncat(scratch,"t",MAXMODES);
1109 if (strcmp(chan->key,""))
1111 strncat(scratch,"k",MAXMODES);
1115 strncat(scratch,"l",MAXMODES);
1117 if (chan->inviteonly)
1119 strncat(scratch,"i",MAXMODES);
1121 if (chan->moderated)
1123 strncat(scratch,"m",MAXMODES);
1127 strncat(scratch,"s",MAXMODES);
1129 if (chan->c_private)
1131 strncat(scratch,"p",MAXMODES);
1133 if (strcmp(chan->key,""))
1135 strncat(sparam,chan->key,MAXBUF);
1140 sprintf(foo," %d",chan->limit);
1141 strncat(sparam,foo,MAXBUF);
1143 if (strlen(chan->custom_modes))
1145 strncat(scratch,chan->custom_modes,MAXMODES);
1146 for (int z = 0; z < strlen(chan->custom_modes); z++)
1148 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1151 strncat(sparam," ",MAXBUF);
1152 strncat(sparam,extparam.c_str(),MAXBUF);
1156 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1157 strncat(scratch,sparam,MAXMODES);
1161 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
1162 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
1163 * highest mode the user has must be returned. */
1165 int cstatus(userrec *user, chanrec *chan)
1167 if ((!chan) || (!user))
1169 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
1174 for (i = 0; i != MAXCHANS; i++)
1176 if ((user->chans[i].channel == chan) && (chan != NULL))
1178 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1182 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1186 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1188 return STATUS_VOICE;
1190 return STATUS_NORMAL;
1196 /* compile a userlist of a channel into a string, each nick seperated by
1197 * spaces and op, voice etc status shown as @ and + */
1199 void userlist(userrec *user,chanrec *c)
1201 if ((!c) || (!user))
1203 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1207 sprintf(list,"353 %s = %s :", user->nick, c->name);
1208 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1210 if (has_channel(i->second,c))
1212 if (isnick(i->second->nick))
1214 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1216 /* user is +i, and source not on the channel, does not show
1217 * nick in NAMES list */
1220 strcat(list,cmode(i->second,c));
1221 strcat(list,i->second->nick);
1223 if (strlen(list)>(480-NICKMAX))
1225 /* list overflowed into
1226 * multiple numerics */
1227 WriteServ(user->fd,list);
1228 sprintf(list,"353 %s = %s :", user->nick, c->name);
1233 /* if whats left in the list isnt empty, send it */
1234 if (list[strlen(list)-1] != ':')
1236 WriteServ(user->fd,list);
1240 /* return a count of the users on a specific channel accounting for
1241 * invisible users who won't increase the count. e.g. for /LIST */
1243 int usercount_i(chanrec *c)
1250 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1255 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1259 if (has_channel(i->second,c))
1261 if (isnick(i->second->nick))
1263 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1265 /* user is +i, and source not on the channel, does not show
1266 * nick in NAMES list */
1274 log(DEBUG,"usercount_i: %s %d",c->name,count);
1279 int usercount(chanrec *c)
1286 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1291 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1295 if (has_channel(i->second,c))
1297 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1304 log(DEBUG,"usercount: %s %d",c->name,count);
1309 /* add a channel to a user, creating the record for it if needed and linking
1310 * it to the user record */
1312 chanrec* add_channel(userrec *user, const char* cn, const char* key)
1314 if ((!user) || (!cn))
1316 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1325 strncpy(cname,cn,MAXBUF);
1327 // we MUST declare this wherever we use FOREACH_RESULT
1330 if ((!cname) || (!user))
1334 if (strlen(cname) > CHANMAX-1)
1336 cname[CHANMAX-1] = '\0';
1339 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1341 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1343 return NULL; // already on the channel!
1347 if (!FindChan(cname))
1349 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1354 /* create a new one */
1355 log(DEBUG,"add_channel: creating: %s",cname);
1357 chanlist[cname] = new chanrec();
1359 strcpy(chanlist[cname]->name, cname);
1360 chanlist[cname]->topiclock = 1;
1361 chanlist[cname]->noexternal = 1;
1362 chanlist[cname]->created = time(NULL);
1363 strcpy(chanlist[cname]->topic, "");
1364 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1365 chanlist[cname]->topicset = 0;
1366 Ptr = chanlist[cname];
1367 log(DEBUG,"add_channel: created: %s",cname);
1368 /* set created to 2 to indicate user
1369 * is the first in the channel
1370 * and should be given ops */
1376 /* channel exists, just fish out a pointer to its struct */
1377 Ptr = FindChan(cname);
1380 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1385 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1386 if (strcmp(Ptr->key,""))
1388 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1391 log(DEBUG,"add_channel: no key given in JOIN");
1392 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1397 log(DEBUG,"key at %p is %s",key,key);
1398 if (strcasecmp(key,Ptr->key))
1400 log(DEBUG,"add_channel: bad key given in JOIN");
1401 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1406 log(DEBUG,"add_channel: no key");
1408 if (Ptr->inviteonly)
1410 log(DEBUG,"add_channel: channel is +i");
1411 if (user->IsInvited(Ptr->name))
1413 /* user was invited to channel */
1414 /* there may be an optional channel NOTICE here */
1418 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1422 log(DEBUG,"add_channel: channel is not +i");
1426 if (usercount(Ptr) == Ptr->limit)
1428 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1433 log(DEBUG,"add_channel: about to walk banlist");
1435 /* check user against the channel banlist */
1436 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1438 if (match(user->GetFullHost(),i->data))
1440 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1445 log(DEBUG,"add_channel: bans checked");
1447 user->RemoveInvite(Ptr->name);
1449 log(DEBUG,"add_channel: invites removed");
1455 log(DEBUG,"Passed channel checks");
1457 for (i =0; i != MAXCHANS; i++)
1459 if (user->chans[i].channel == NULL)
1461 log(DEBUG,"Adding into their channel list");
1465 /* first user in is given ops */
1466 user->chans[i].uc_modes = UCMODE_OP;
1470 user->chans[i].uc_modes = 0;
1472 user->chans[i].channel = Ptr;
1473 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1475 log(DEBUG,"Sent JOIN to client");
1479 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1480 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1483 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1484 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1485 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1486 FOREACH_MOD OnUserJoin(user,Ptr);
1490 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1491 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1495 /* remove a channel from a users record, and remove the record from memory
1496 * if the channel has become empty */
1498 chanrec* del_channel(userrec *user, const char* cname, const char* reason)
1500 if ((!user) || (!cname))
1502 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1510 if ((!cname) || (!user))
1515 Ptr = FindChan(cname);
1522 FOREACH_MOD OnUserPart(user,Ptr);
1523 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1525 for (i =0; i != MAXCHANS; i++)
1527 /* zap it from the channel list of the user */
1528 if (user->chans[i].channel == Ptr)
1532 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1536 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1538 user->chans[i].uc_modes = 0;
1539 user->chans[i].channel = NULL;
1540 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1545 /* if there are no users left on the channel */
1546 if (!usercount(Ptr))
1548 chan_hash::iterator iter = chanlist.find(Ptr->name);
1550 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1552 /* kill the record */
1553 if (iter != chanlist.end())
1555 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1556 delete iter->second;
1557 chanlist.erase(iter);
1563 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1565 if ((!src) || (!user) || (!Ptr) || (!reason))
1567 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1574 if ((!Ptr) || (!user) || (!src))
1579 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1581 if (!has_channel(user,Ptr))
1583 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1586 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
1588 if (cstatus(src,Ptr) == STATUS_HOP)
1590 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1594 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1600 for (i =0; i != MAXCHANS; i++)
1602 /* zap it from the channel list of the user */
1603 if (user->chans[i].channel == Ptr)
1605 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1606 user->chans[i].uc_modes = 0;
1607 user->chans[i].channel = NULL;
1608 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1613 /* if there are no users left on the channel */
1614 if (!usercount(Ptr))
1616 chan_hash::iterator iter = chanlist.find(Ptr->name);
1618 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1620 /* kill the record */
1621 if (iter != chanlist.end())
1623 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1624 delete iter->second;
1625 chanlist.erase(iter);
1631 /* returns 1 if user u has channel c in their record, 0 if not */
1633 int has_channel(userrec *u, chanrec *c)
1639 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
1642 for (i =0; i != MAXCHANS; i++)
1644 if (u->chans[i].channel == c)
1652 int give_ops(userrec *user,char *dest,chanrec *chan,int status)
1657 if ((!user) || (!dest) || (!chan))
1659 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
1662 if (status != STATUS_OP)
1664 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1671 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1677 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1682 for (i = 0; i != MAXCHANS; i++)
1684 if ((d->chans[i].channel == chan) && (chan != NULL))
1686 if (d->chans[i].uc_modes & UCMODE_OP)
1688 /* mode already set on user, dont allow multiple */
1691 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
1692 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
1700 int give_hops(userrec *user,char *dest,chanrec *chan,int status)
1705 if ((!user) || (!dest) || (!chan))
1707 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
1710 if (status != STATUS_OP)
1712 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1720 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1725 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1730 for (i = 0; i != MAXCHANS; i++)
1732 if ((d->chans[i].channel == chan) && (chan != NULL))
1734 if (d->chans[i].uc_modes & UCMODE_HOP)
1736 /* mode already set on user, dont allow multiple */
1739 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
1740 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
1748 int give_voice(userrec *user,char *dest,chanrec *chan,int status)
1753 if ((!user) || (!dest) || (!chan))
1755 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
1758 if (status < STATUS_HOP)
1760 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1768 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1773 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1778 for (i = 0; i != MAXCHANS; i++)
1780 if ((d->chans[i].channel == chan) && (chan != NULL))
1782 if (d->chans[i].uc_modes & UCMODE_VOICE)
1784 /* mode already set on user, dont allow multiple */
1787 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
1788 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
1796 int take_ops(userrec *user,char *dest,chanrec *chan,int status)
1801 if ((!user) || (!dest) || (!chan))
1803 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
1806 if (status != STATUS_OP)
1808 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1816 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1821 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1826 for (i = 0; i != MAXCHANS; i++)
1828 if ((d->chans[i].channel == chan) && (chan != NULL))
1830 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
1832 /* mode already set on user, dont allow multiple */
1835 d->chans[i].uc_modes ^= UCMODE_OP;
1836 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
1844 int take_hops(userrec *user,char *dest,chanrec *chan,int status)
1849 if ((!user) || (!dest) || (!chan))
1851 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
1854 if (status != STATUS_OP)
1856 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1864 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1869 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1874 for (i = 0; i != MAXCHANS; i++)
1876 if ((d->chans[i].channel == chan) && (chan != NULL))
1878 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
1880 /* mode already set on user, dont allow multiple */
1883 d->chans[i].uc_modes ^= UCMODE_HOP;
1884 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
1892 int take_voice(userrec *user,char *dest,chanrec *chan,int status)
1897 if ((!user) || (!dest) || (!chan))
1899 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
1902 if (status < STATUS_HOP)
1904 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1912 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1917 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1922 for (i = 0; i != MAXCHANS; i++)
1924 if ((d->chans[i].channel == chan) && (chan != NULL))
1926 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
1928 /* mode already set on user, dont allow multiple */
1931 d->chans[i].uc_modes ^= UCMODE_VOICE;
1932 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
1940 void TidyBan(char *ban)
1943 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
1947 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
1951 char* pos_of_pling = strchr(temp,'!');
1952 char* pos_of_at = strchr(temp,'@');
1954 pos_of_pling[0] = '\0';
1955 pos_of_at[0] = '\0';
1959 strncpy(NICK,temp,NICKMAX);
1960 strncpy(IDENT,pos_of_pling,IDENTMAX+1);
1961 strncpy(HOST,pos_of_at,160);
1963 sprintf(ban,"%s!%s@%s",NICK,IDENT,HOST);
1966 int add_ban(userrec *user,char *dest,chanrec *chan,int status)
1968 if ((!user) || (!dest) || (!chan)) {
1969 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
1974 if ((!user) || (!dest) || (!chan))
1976 if (strchr(dest,'!')==0)
1978 if (strchr(dest,'@')==0)
1980 for (int i = 0; i < strlen(dest); i++)
1983 for (int i = 0; i < strlen(dest); i++)
1987 for (int i = 0; i < strlen(dest); i++)
1993 for (int i = 0; i < strlen(dest); i++)
1998 log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
2001 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2003 if (!strcasecmp(i->data,dest))
2005 // dont allow a user to set the same ban twice
2010 b.set_time = time(NULL);
2011 strncpy(b.data,dest,MAXBUF);
2012 strncpy(b.set_by,user->nick,NICKMAX);
2013 chan->bans.push_back(b);
2017 int take_ban(userrec *user,char *dest,chanrec *chan,int status)
2019 if ((!user) || (!dest) || (!chan)) {
2020 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
2024 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
2025 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2027 if (!strcasecmp(i->data,dest))
2029 chan->bans.erase(i);
2036 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode)
2038 if ((!parameters) || (!user)) {
2039 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
2044 char modelist[MAXBUF];
2045 char outlist[MAXBUF];
2046 char outstr[MAXBUF];
2047 char outpars[32][MAXBUF];
2053 bool k_set = false, l_set = false;
2060 log(DEBUG,"process_modes: start");
2062 strcpy(modelist,parameters[1]); /* mode list, e.g. +oo-o */
2063 /* parameters[2] onwards are parameters for
2064 * modes that require them :) */
2065 strcpy(outlist,"+");
2068 log(DEBUG,"process_modes: modelist: %s",modelist);
2070 for (ptr = 0; ptr < strlen(modelist); ptr++)
2075 log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
2076 char modechar = modelist[ptr];
2077 switch (modelist[ptr])
2082 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2084 outlist[strlen(outlist)-1] = '-';
2088 strcat(outlist,"-");
2098 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2100 outlist[strlen(outlist)-1] = '+';
2104 strcat(outlist,"+");
2111 if ((param >= pcnt)) break;
2114 r = give_ops(user,parameters[param++],chan,status);
2118 r = take_ops(user,parameters[param++],chan,status);
2122 strcat(outlist,"o");
2123 strcpy(outpars[pc++],parameters[param-1]);
2128 if ((param >= pcnt)) break;
2131 r = give_hops(user,parameters[param++],chan,status);
2135 r = take_hops(user,parameters[param++],chan,status);
2139 strcat(outlist,"h");
2140 strcpy(outpars[pc++],parameters[param-1]);
2146 if ((param >= pcnt)) break;
2149 r = give_voice(user,parameters[param++],chan,status);
2153 r = take_voice(user,parameters[param++],chan,status);
2157 strcat(outlist,"v");
2158 strcpy(outpars[pc++],parameters[param-1]);
2163 if ((param >= pcnt)) break;
2166 r = add_ban(user,parameters[param++],chan,status);
2170 r = take_ban(user,parameters[param++],chan,status);
2174 strcat(outlist,"b");
2175 strcpy(outpars[pc++],parameters[param-1]);
2181 if ((param >= pcnt))
2189 if (!strcmp(chan->key,""))
2191 strcat(outlist,"k");
2193 strcpy(key,parameters[param++]);
2194 if (strlen(key)>32) {
2197 strcpy(outpars[pc++],key);
2198 strcpy(chan->key,key);
2204 /* checks on -k are case sensitive and only accurate to the
2205 first 32 characters */
2207 strcpy(key,parameters[param++]);
2208 if (strlen(key)>32) {
2211 /* only allow -k if correct key given */
2212 if (!strcmp(chan->key,key))
2214 strcat(outlist,"k");
2215 strcpy(chan->key,"");
2216 strcpy(outpars[pc++],key);
2226 strcat(outlist,"l");
2231 if ((param >= pcnt)) break;
2237 bool invalid = false;
2238 for (int i = 0; i < strlen(parameters[param]); i++)
2240 if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
2245 if (atoi(parameters[param]) < 1)
2253 chan->limit = atoi(parameters[param]);
2256 strcat(outlist,"l");
2257 strcpy(outpars[pc++],parameters[param++]);
2264 if (chan->inviteonly != mdir)
2266 strcat(outlist,"i");
2268 chan->inviteonly = mdir;
2272 if (chan->topiclock != mdir)
2274 strcat(outlist,"t");
2276 chan->topiclock = mdir;
2280 if (chan->noexternal != mdir)
2282 strcat(outlist,"n");
2284 chan->noexternal = mdir;
2288 if (chan->moderated != mdir)
2290 strcat(outlist,"m");
2292 chan->moderated = mdir;
2296 if (chan->secret != mdir)
2298 strcat(outlist,"s");
2299 if (chan->c_private)
2301 chan->c_private = 0;
2304 strcat(outlist,"-p+");
2308 strcat(outlist,"+p-");
2312 chan->secret = mdir;
2316 if (chan->c_private != mdir)
2318 strcat(outlist,"p");
2324 strcat(outlist,"-s+");
2328 strcat(outlist,"+s-");
2332 chan->c_private = mdir;
2336 log(DEBUG,"Preprocessing custom mode %c",modechar);
2339 if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
2341 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
2344 if (ModeDefined(modechar,MT_CHANNEL))
2346 log(DEBUG,"A module has claimed this mode");
2349 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2351 p.push_back(parameters[param]);
2353 if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
2355 p.push_back(parameters[param]);
2358 bool handled = false;
2361 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
2362 // we're supposed to have a parameter, but none was given... so dont handle the mode.
2363 if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
2369 for (int i = 0; i <= MODCOUNT; i++)
2373 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
2375 log(DEBUG,"OnExtendedMode returned nonzero for a module");
2376 char app[] = {modechar, 0};
2379 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
2381 strcat(outlist, app);
2383 else if (!strchr(outlist,modechar))
2385 strcat(outlist, app);
2388 chan->SetCustomMode(modechar,mdir);
2389 // include parameters in output if mode has them
2390 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2392 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
2393 strcpy(outpars[pc++],parameters[param++]);
2395 // break, because only one module can handle the mode.
2407 /* this ensures only the *valid* modes are sent out onto the network */
2408 while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
2410 outlist[strlen(outlist)-1] = '\0';
2412 if (strcmp(outlist,""))
2414 strcpy(outstr,outlist);
2415 for (ptr = 0; ptr < pc; ptr++)
2418 strcat(outstr,outpars[ptr]);
2422 WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
2426 WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
2431 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
2433 bool allowed_umode(char umode, char* sourcemodes,bool adding)
2435 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
2436 // RFC1459 specified modes
2437 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
2439 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2443 // user may not +o themselves or others, but an oper may de-oper other opers or themselves
2444 if ((strchr(sourcemodes,'o')) && (!adding))
2446 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2449 else if (umode == 'o')
2451 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2455 // process any module-defined modes that need oper
2456 if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
2458 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
2462 if (ModeDefined(umode,MT_CLIENT))
2464 // process any module-defined modes that don't need oper
2465 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
2466 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
2468 // no, this mode needs oper, and this user 'aint got what it takes!
2474 // anything else - return false.
2475 log(DEBUG,"umode %c not known by any ruleset",umode);
2479 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
2483 if (ModeDefined(umode,MT_CLIENT))
2485 for (int i = 0; i <= MODCOUNT; i++)
2487 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
2489 log(DEBUG,"Module claims umode %c",umode);
2493 log(DEBUG,"No module claims umode %c",umode);
2498 log(DEBUG,"*** BUG *** Non-module umode passed to process_module_umode!");
2503 void handle_mode(char **parameters, int pcnt, userrec *user)
2509 char outpars[MAXBUF];
2511 dest = Find(parameters[0]);
2513 if ((dest) && (pcnt == 1))
2515 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
2519 if ((dest) && (pcnt > 1))
2521 char dmodes[MAXBUF];
2522 strncpy(dmodes,dest->modes,MAXBUF);
2523 log(DEBUG,"pulled up dest user modes: %s",dmodes);
2528 if (strchr(user->modes,'o'))
2539 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
2543 strcpy(outpars,"+");
2546 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2549 for (i = 0; i < strlen(parameters[1]); i++)
2551 if (parameters[1][i] == '+')
2555 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2557 outpars[strlen(outpars)-1] = '+';
2561 strcat(outpars,"+");
2567 if (parameters[1][i] == '-')
2571 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2573 outpars[strlen(outpars)-1] = '-';
2577 strcat(outpars,"-");
2585 if (strchr(user->modes,'o'))
2591 if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
2600 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2602 char umode = parameters[1][i];
2603 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2605 dmodes[strlen(dmodes)+1]='\0';
2606 dmodes[strlen(dmodes)] = parameters[1][i];
2607 outpars[strlen(outpars)+1]='\0';
2608 outpars[strlen(outpars)] = parameters[1][i];
2614 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2616 char umode = parameters[1][i];
2617 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2623 outpars[strlen(outpars)+1]='\0';
2624 outpars[strlen(outpars)] = parameters[1][i];
2627 for (q = 0; q < strlen(dmodes); q++)
2629 if (dmodes[q] != parameters[1][i])
2636 strcpy(dmodes,temp);
2643 if (strlen(outpars))
2649 while (i < strlen (outpars))
2651 b[z++] = outpars[i++];
2653 if (i<strlen(outpars)-1)
2655 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2657 // someones playing silly buggers and trying
2658 // to put a +- or -+ into the line...
2662 if (i == strlen(outpars)-1)
2664 if ((outpars[i] == '-') || (outpars[i] == '+'))
2672 if ((b[z] == '-') || (b[z] == '+'))
2675 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
2678 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
2680 if (strlen(dmodes)>MAXMODES)
2682 dmodes[MAXMODES-1] = '\0';
2684 log(DEBUG,"Stripped mode line");
2685 log(DEBUG,"Line dest is now %s",dmodes);
2686 strncpy(dest->modes,dmodes,MAXMODES);
2693 Ptr = FindChan(parameters[0]);
2698 /* just /modes #channel */
2699 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
2700 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
2706 if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
2709 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
2711 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
2713 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
2717 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
2719 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
2723 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false);
2727 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
2734 void server_mode(char **parameters, int pcnt, userrec *user)
2740 char outpars[MAXBUF];
2742 dest = Find(parameters[0]);
2744 // fix: ChroNiCk found this - we cant use this as debug if its null!
2747 log(DEBUG,"server_mode on %s",dest->nick);
2750 if ((dest) && (pcnt > 1))
2752 log(DEBUG,"params > 1");
2754 char dmodes[MAXBUF];
2755 strncpy(dmodes,dest->modes,MAXBUF);
2757 strcpy(outpars,"+");
2760 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2763 for (i = 0; i < strlen(parameters[1]); i++)
2765 if (parameters[1][i] == '+')
2769 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2771 outpars[strlen(outpars)-1] = '+';
2775 strcat(outpars,"+");
2781 if (parameters[1][i] == '-')
2785 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2787 outpars[strlen(outpars)-1] = '-';
2791 strcat(outpars,"-");
2798 log(DEBUG,"begin mode processing entry");
2804 log(DEBUG,"umode %c being added",parameters[1][i]);
2805 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2807 char umode = parameters[1][i];
2808 log(DEBUG,"umode %c is an allowed umode",umode);
2809 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2811 dmodes[strlen(dmodes)+1]='\0';
2812 dmodes[strlen(dmodes)] = parameters[1][i];
2813 outpars[strlen(outpars)+1]='\0';
2814 outpars[strlen(outpars)] = parameters[1][i];
2820 // can only remove a mode they already have
2821 log(DEBUG,"umode %c being removed",parameters[1][i]);
2822 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2824 char umode = parameters[1][i];
2825 log(DEBUG,"umode %c is an allowed umode",umode);
2826 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2832 outpars[strlen(outpars)+1]='\0';
2833 outpars[strlen(outpars)] = parameters[1][i];
2836 for (q = 0; q < strlen(dmodes); q++)
2838 if (dmodes[q] != parameters[1][i])
2845 strcpy(dmodes,temp);
2852 if (strlen(outpars))
2858 while (i < strlen (outpars))
2860 b[z++] = outpars[i++];
2862 if (i<strlen(outpars)-1)
2864 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2866 // someones playing silly buggers and trying
2867 // to put a +- or -+ into the line...
2871 if (i == strlen(outpars)-1)
2873 if ((outpars[i] == '-') || (outpars[i] == '+'))
2881 if ((b[z] == '-') || (b[z] == '+'))
2884 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
2887 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
2889 if (strlen(dmodes)>MAXMODES)
2891 dmodes[MAXMODES-1] = '\0';
2893 log(DEBUG,"Stripped mode line");
2894 log(DEBUG,"Line dest is now %s",dmodes);
2895 strncpy(dest->modes,dmodes,MAXMODES);
2902 Ptr = FindChan(parameters[0]);
2905 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true);
2909 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
2914 /* This function pokes and hacks at a parameter list like the following:
2916 * PART #winbot, #darkgalaxy :m00!
2918 * to turn it into a series of individual calls like this:
2920 * PART #winbot :m00!
2921 * PART #darkgalaxy :m00!
2923 * The seperate calls are sent to a callback function provided by the caller
2924 * (the caller will usually call itself recursively). The callback function
2925 * must be a command handler. Calling this function on a line with no list causes
2926 * no action to be taken. You must provide a starting and ending parameter number
2927 * where the range of the list can be found, useful if you have a terminating
2928 * parameter as above which is actually not part of the list, or parameters
2929 * before the actual list as well. This code is used by many functions which
2930 * can function as "one to list" (see the RFC) */
2932 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
2937 char blog[32][MAXBUF];
2938 char blog2[32][MAXBUF];
2939 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
2940 char keystr[MAXBUF];
2943 for (i = 0; i <32; i++)
2946 for (i = 0; i <32; i++)
2947 strcpy(blog2[i],"");
2950 for (i = 0; i <10; i++)
2954 parameters[i] = moo;
2959 if (pcnt > 1) /* we have a key to copy */
2961 strcpy(keystr,parameters[1]);
2965 if (!parameters[start])
2969 if (!strchr(parameters[start],','))
2974 for (i = start; i <= end; i++)
2978 strcat(plist,parameters[i]);
2986 for (i = 0; i < t; i++)
2988 if (plist[i] == ',')
2991 strcpy(blog[j++],param);
2995 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
3000 strcpy(blog[j++],param);
3003 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
3008 if ((joins) && (keystr))
3010 if (strchr(keystr,','))
3014 t2 = strlen(keystr);
3015 for (i = 0; i < t2; i++)
3017 if (keystr[i] == ',')
3020 strcpy(blog2[j++],param);
3024 strcpy(blog2[j++],param);
3031 // limit the total items in a comma seperated list
3032 // a phidjit bug... go figure.
3036 for (j = 0; j < total; j++)
3042 for (q = end; q < pcnt-1; q++)
3044 if (parameters[q+1])
3046 pars[q-end+1] = parameters[q+1];
3049 if ((joins) && (parameters[1]))
3060 /* repeatedly call the function with the hacked parameter list */
3061 if ((joins) && (pcnt > 1))
3065 // pars[1] already set up and containing key from blog2[j]
3070 pars[1] = parameters[1];
3076 fn(pars,pcnt-(end-start),u);
3084 void handle_join(char **parameters, int pcnt, userrec *user)
3089 if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
3091 if (parameters[0][0] == '#')
3093 Ptr = add_channel(user,parameters[0],parameters[1]);
3098 void handle_part(char **parameters, int pcnt, userrec *user)
3104 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
3106 del_channel(user,parameters[0],parameters[1]);
3110 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
3112 del_channel(user,parameters[0],NULL);
3116 void handle_kick(char **parameters, int pcnt, userrec *user)
3118 chanrec* Ptr = FindChan(parameters[0]);
3119 userrec* u = Find(parameters[1]);
3123 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3127 if (!has_channel(u,Ptr))
3129 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
3135 char reason[MAXBUF];
3136 strncpy(reason,parameters[2],MAXBUF);
3137 if (strlen(reason)>MAXKICK)
3139 reason[MAXKICK-1] = '\0';
3142 kick_channel(user,u,Ptr,reason);
3146 kick_channel(user,u,Ptr,user->nick);
3151 void handle_die(char **parameters, int pcnt, userrec *user)
3153 log(DEBUG,"die: %s",user->nick);
3154 if (!strcmp(parameters[0],diepass))
3156 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
3162 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
3166 void handle_restart(char **parameters, int pcnt, userrec *user)
3168 log(DEBUG,"restart: %s",user->nick);
3169 if (!strcmp(parameters[0],restartpass))
3171 WriteOpers("*** RESTART command from %s!%s@%s, Pretending to restart till this is finished :D",user->nick,user->ident,user->host);
3174 /* Will finish this later when i can be arsed :) */
3178 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
3183 void kill_link(userrec *user,const char* r)
3185 user_hash::iterator iter = clientlist.find(user->nick);
3187 char reason[MAXBUF];
3189 strncpy(reason,r,MAXBUF);
3191 if (strlen(reason)>MAXQUIT)
3193 reason[MAXQUIT-1] = '\0';
3196 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
3197 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
3198 log(DEBUG,"closing fd %d",user->fd);
3200 /* bugfix, cant close() a nonblocking socket (sux!) */
3201 if (user->registered == 7) {
3202 FOREACH_MOD OnUserQuit(user);
3203 WriteCommonExcept(user,"QUIT :%s",reason);
3206 /* push the socket on a stack of sockets due to be closed at the next opportunity
3207 * 'Client exited' is an exception to this as it means the client side has already
3208 * closed the socket, we don't need to do it.
3210 fd_reap.push_back(user->fd);
3212 bool do_purge = false;
3214 if (user->registered == 7) {
3215 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
3219 if (iter != clientlist.end())
3221 log(DEBUG,"deleting user hash value %d",iter->second);
3222 if ((iter->second) && (user->registered == 7)) {
3223 delete iter->second;
3225 clientlist.erase(iter);
3228 if (user->registered == 7) {
3229 purge_empty_chans();
3236 void handle_kill(char **parameters, int pcnt, userrec *user)
3238 userrec *u = Find(parameters[0]);
3239 char killreason[MAXBUF];
3241 log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
3244 WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
3245 // :Brain!brain@NetAdmin.chatspike.net KILL [Brain] :homer!NetAdmin.chatspike.net!Brain (test kill)
3246 WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
3247 sprintf(killreason,"Killed (%s (%s))",user->nick,parameters[1]);
3248 kill_link(u,killreason);
3252 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3256 void handle_summon(char **parameters, int pcnt, userrec *user)
3258 WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
3261 void handle_users(char **parameters, int pcnt, userrec *user)
3263 WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
3267 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
3269 char* Passwd(userrec *user)
3271 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3273 if (match(user->host,i->host) && (i->type == CC_ALLOW))
3281 bool IsDenied(userrec *user)
3283 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3285 if (match(user->host,i->host) && (i->type == CC_DENY))
3295 void handle_pass(char **parameters, int pcnt, userrec *user)
3297 // Check to make sure they havnt registered -- Fix by FCS
3298 if (user->registered == 7)
3300 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
3303 if (!strcasecmp(parameters[0],Passwd(user)))
3305 user->haspassed = true;
3309 void handle_invite(char **parameters, int pcnt, userrec *user)
3311 userrec* u = Find(parameters[0]);
3312 chanrec* c = FindChan(parameters[1]);
3318 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
3324 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
3333 if (cstatus(user,c) < STATUS_HOP)
3335 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
3339 if (has_channel(u,c))
3341 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
3344 if (!has_channel(user,c))
3346 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
3349 u->InviteTo(c->name);
3350 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
3351 WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
3354 void handle_topic(char **parameters, int pcnt, userrec *user)
3360 if (strlen(parameters[0]) <= CHANMAX)
3362 Ptr = FindChan(parameters[0]);
3367 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
3368 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
3372 WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
3377 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3384 if (strlen(parameters[0]) <= CHANMAX)
3386 Ptr = FindChan(parameters[0]);
3389 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
3391 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
3396 strncpy(topic,parameters[1],MAXBUF);
3397 if (strlen(topic)>MAXTOPIC)
3399 topic[MAXTOPIC-1] = '\0';
3402 strcpy(Ptr->topic,topic);
3403 strcpy(Ptr->setby,user->nick);
3404 Ptr->topicset = time(NULL);
3405 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
3409 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3415 /* sends out an error notice to all connected clients (not to be used
3418 void send_error(char *s)
3420 log(DEBUG,"send_error: %s",s);
3421 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3423 if (isnick(i->second->nick))
3425 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
3429 // fix - unregistered connections receive ERROR, not NOTICE
3430 Write(i->second->fd,"ERROR :%s",s);
3435 void Error(int status)
3437 signal (SIGALRM, SIG_IGN);
3438 signal (SIGPIPE, SIG_IGN);
3439 signal (SIGTERM, SIG_IGN);
3440 signal (SIGABRT, SIG_IGN);
3441 signal (SIGSEGV, SIG_IGN);
3442 signal (SIGURG, SIG_IGN);
3443 signal (SIGKILL, SIG_IGN);
3444 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
3445 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
3450 int main (int argc, char *argv[])
3453 log(DEBUG,"*** InspIRCd starting up!");
3454 if (!FileExists(CONFIG_FILE))
3456 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
3457 log(DEBUG,"main: no config");
3458 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
3462 if (!strcmp(argv[1],"-nofork")) {
3466 if (InspIRCd() == ERROR)
3468 log(DEBUG,"main: daemon function bailed");
3469 printf("ERROR: could not initialise. Shutting down.\n");
3476 template<typename T> inline string ConvToStr(const T &in)
3479 if (!(tmp << in)) return string();
3483 /* re-allocates a nick in the user_hash after they change nicknames,
3484 * returns a pointer to the new user as it may have moved */
3486 userrec* ReHashNick(char* Old, char* New)
3488 user_hash::iterator newnick;
3489 user_hash::iterator oldnick = clientlist.find(Old);
3491 log(DEBUG,"ReHashNick: %s %s",Old,New);
3493 if (!strcasecmp(Old,New))
3495 log(DEBUG,"old nick is new nick, skipping");
3496 return oldnick->second;
3499 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
3501 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
3503 clientlist[New] = new userrec();
3504 clientlist[New] = oldnick->second;
3505 /*delete oldnick->second; */
3506 clientlist.erase(oldnick);
3508 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
3510 return clientlist[New];
3513 /* adds or updates an entry in the whowas list */
3514 void AddWhoWas(userrec* u)
3516 user_hash::iterator iter = whowas.find(u->nick);
3517 userrec *a = new userrec();
3518 strcpy(a->nick,u->nick);
3519 strcpy(a->ident,u->ident);
3520 strcpy(a->dhost,u->dhost);
3521 strcpy(a->host,u->host);
3522 strcpy(a->fullname,u->fullname);
3523 strcpy(a->server,u->server);
3524 a->signon = u->signon;
3526 /* MAX_WHOWAS: max number of /WHOWAS items
3527 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
3528 * can be replaced by a newer one
3531 if (iter == whowas.end())
3533 if (whowas.size() == WHOWAS_MAX)
3535 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
3537 // 3600 seconds in an hour ;)
3538 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
3542 log(DEBUG,"added WHOWAS entry, purged an old record");
3549 log(DEBUG,"added fresh WHOWAS entry");
3550 whowas[a->nick] = a;
3555 log(DEBUG,"updated WHOWAS entry");
3556 delete iter->second;
3562 /* add a client connection to the sockets list */
3563 void AddClient(int socket, char* host, int port, bool iscached)
3567 char resolved[MAXBUF];
3570 user_hash::iterator iter;
3572 tempnick = ConvToStr(socket) + "-unknown";
3573 sprintf(tn2,"%d-unknown",socket);
3575 iter = clientlist.find(tempnick);
3577 if (iter != clientlist.end()) return;
3580 * It is OK to access the value here this way since we know
3581 * it exists, we just created it above.
3583 * At NO other time should you access a value in a map or a
3584 * hash_map this way.
3586 clientlist[tempnick] = new userrec();
3588 NonBlocking(socket);
3589 log(DEBUG,"AddClient: %d %s %d",socket,host,port);
3591 clientlist[tempnick]->fd = socket;
3592 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
3593 strncpy(clientlist[tempnick]->host, host,160);
3594 strncpy(clientlist[tempnick]->dhost, host,160);
3595 strncpy(clientlist[tempnick]->server, ServerName,256);
3596 strncpy(clientlist[tempnick]->ident, "unknown",9);
3597 clientlist[tempnick]->registered = 0;
3598 clientlist[tempnick]->signon = time(NULL);
3599 clientlist[tempnick]->nping = time(NULL)+240;
3600 clientlist[tempnick]->lastping = 1;
3601 clientlist[tempnick]->port = port;
3605 WriteServ(socket,"NOTICE Auth :Found your hostname (cached)...");
3609 WriteServ(socket,"NOTICE Auth :Looking up your hostname...");
3612 // set the registration timeout for this user
3613 unsigned long class_regtimeout = 90;
3614 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3616 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
3618 class_regtimeout = (unsigned long)i->registration_timeout;
3622 log(DEBUG,"Client has a connection timeout value of %d",class_regtimeout);
3623 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
3625 if (clientlist.size() == MAXCLIENTS)
3626 kill_link(clientlist[tempnick],"No more connections allowed in this class");
3629 void handle_names(char **parameters, int pcnt, userrec *user)
3633 if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
3635 c = FindChan(parameters[0]);
3638 /*WriteServ(user->fd,"353 %s = %s :%s", user->nick, c->name,*/
3640 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
3644 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3649 void handle_privmsg(char **parameters, int pcnt, userrec *user)
3654 user->idle_lastmsg = time(NULL);
3656 if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
3658 if (parameters[0][0] == '#')
3660 chan = FindChan(parameters[0]);
3663 if ((chan->noexternal) && (!has_channel(user,chan)))
3665 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
3668 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
3670 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
3676 FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
3681 ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
3685 /* no such nick/channel */
3686 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3691 dest = Find(parameters[0]);
3694 if (strcmp(dest->awaymsg,""))
3696 /* auto respond with aweh msg */
3697 WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
3702 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,std::string(parameters[1])));
3707 WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
3711 /* no such nick/channel */
3712 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3716 void handle_notice(char **parameters, int pcnt, userrec *user)
3721 user->idle_lastmsg = time(NULL);
3723 if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
3725 if (parameters[0][0] == '#')
3727 chan = FindChan(parameters[0]);
3730 if ((chan->noexternal) && (!has_channel(user,chan)))
3732 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
3735 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
3737 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
3743 FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
3748 WriteChannel(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
3752 /* no such nick/channel */
3753 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3758 dest = Find(parameters[0]);
3763 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,std::string(parameters[1])));
3768 WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
3772 /* no such nick/channel */
3773 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3779 char* chlist(userrec *user)
3784 log(DEBUG,"chlist: %s",user->nick);
3790 for (i = 0; i != MAXCHANS; i++)
3792 if (user->chans[i].channel != NULL)
3794 if (user->chans[i].channel->name)
3796 strcpy(cmp,user->chans[i].channel->name);
3798 if (!strstr(lst,cmp))
3800 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
3802 strcat(lst,cmode(user,user->chans[i].channel));
3803 strcat(lst,user->chans[i].channel->name);
3813 void handle_info(char **parameters, int pcnt, userrec *user)
3815 WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
3816 WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
3817 WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
3818 FOREACH_MOD OnInfo(user);
3819 WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
3822 void handle_time(char **parameters, int pcnt, userrec *user)
3825 struct tm * timeinfo;
3828 timeinfo = localtime ( &rawtime );
3829 WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
3833 void handle_whois(char **parameters, int pcnt, userrec *user)
3838 if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
3840 dest = Find(parameters[0]);
3843 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
3844 if (dest->registered == 7)
3846 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
3847 if ((user == dest) || (strchr(user->modes,'o')))
3849 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
3851 if (strcmp(chlist(dest),""))
3853 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
3855 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, ServerDesc);
3856 if (strcmp(dest->awaymsg,""))
3858 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
3860 if (strchr(dest->modes,'o'))
3862 WriteServ(user->fd,"313 %s %s :is an IRC operator",user->nick, dest->nick);
3864 FOREACH_MOD OnWhois(user,dest);
3865 //WriteServ(user->fd,"310 %s %s :is available for help.",user->nick, dest->nick);
3866 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-time(NULL)), dest->signon);
3868 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
3872 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3877 /* no such nick/channel */
3878 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3882 void handle_quit(char **parameters, int pcnt, userrec *user)
3884 user_hash::iterator iter = clientlist.find(user->nick);
3887 if (user->registered == 7)
3889 /* theres more to do here, but for now just close the socket */
3892 if (parameters[0][0] == ':')
3896 reason = parameters[0];
3898 if (strlen(reason)>MAXQUIT)
3900 reason[MAXQUIT-1] = '\0';
3903 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
3904 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
3905 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
3909 Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
3910 WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
3911 WriteCommonExcept(user,"QUIT :Client exited");
3913 FOREACH_MOD OnUserQuit(user);
3917 /* push the socket on a stack of sockets due to be closed at the next opportunity */
3918 fd_reap.push_back(user->fd);
3920 if (iter != clientlist.end())
3922 log(DEBUG,"deleting user hash value %d",iter->second);
3923 if ((iter->second) && (user->registered == 7)) {
3924 delete iter->second;
3926 clientlist.erase(iter);
3929 if (user->registered == 7) {
3930 purge_empty_chans();
3936 void handle_who(char **parameters, int pcnt, userrec *user)
3938 chanrec* Ptr = NULL;
3940 /* theres more to do here, but for now just close the socket */
3943 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
3945 if (user->chans[0].channel)
3947 Ptr = user->chans[0].channel;
3948 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3950 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
3952 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, ServerName, i->second->nick, i->second->fullname);
3958 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
3962 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, user->nick);
3966 if (parameters[0][0] = '#')
3968 Ptr = FindChan(parameters[0]);
3971 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3973 if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
3975 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, ServerName, i->second->nick, i->second->fullname);
3978 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
3982 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3988 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
3990 Ptr = user->chans[0].channel;
3991 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3993 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
3995 if (strchr(i->second->modes,'o'))
3997 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, ServerName, i->second->nick, i->second->fullname);
4001 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4007 void handle_wallops(char **parameters, int pcnt, userrec *user)
4009 WriteWallOps(user,"%s",parameters[0]);
4012 void handle_list(char **parameters, int pcnt, userrec *user)
4016 WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
4017 for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
4019 if ((!i->second->c_private) && (!i->second->secret))
4021 WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
4024 WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
4028 void handle_rehash(char **parameters, int pcnt, userrec *user)
4030 WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CONFIG_FILE);
4032 FOREACH_MOD OnRehash();
4033 WriteOpers("%s is rehashing config file %s",user->nick,CONFIG_FILE);
4039 return clientlist.size();
4042 int usercount_invisible(void)
4046 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4048 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
4053 int usercount_opers(void)
4057 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4059 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
4064 int usercount_unknown(void)
4068 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4070 if ((i->second->fd) && (i->second->registered != 7))
4078 return chanlist.size();
4081 int servercount(void)
4086 void handle_lusers(char **parameters, int pcnt, userrec *user)
4088 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
4089 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
4090 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
4091 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
4092 WriteServ(user->fd,"254 %s :I have %d clients and 0 servers",user->nick,usercnt());
4095 void handle_admin(char **parameters, int pcnt, userrec *user)
4097 WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
4098 WriteServ(user->fd,"257 %s :Name - %s",user->nick,AdminName);
4099 WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
4100 WriteServ(user->fd,"258 %s :E-Mail - %s",user->nick,AdminEmail);
4103 void ShowMOTD(userrec *user)
4107 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
4110 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
4111 for (int i = 0; i != MOTD.size(); i++)
4113 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
4115 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
4118 void ShowRULES(userrec *user)
4122 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
4125 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
4126 for (int i = 0; i != RULES.size(); i++)
4128 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
4130 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
4133 /* shows the message of the day, and any other on-logon stuff */
4134 void ConnectUser(userrec *user)
4136 user->registered = 7;
4137 user->idle_lastmsg = time(NULL);
4138 log(DEBUG,"ConnectUser: %s",user->nick);
4140 if (strcmp(Passwd(user),"") && (!user->haspassed))
4142 kill_link(user,"Invalid password");
4147 kill_link(user,"Unauthorised connection");
4151 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
4152 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
4153 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
4154 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
4155 WriteServ(user->fd,"004 %s :%s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
4156 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);
4157 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);
4159 FOREACH_MOD OnUserConnect(user);
4160 WriteOpers("*** Client connecting on port %d: %s!%s@%s",user->port,user->nick,user->ident,user->host);
4163 void handle_version(char **parameters, int pcnt, userrec *user)
4165 WriteServ(user->fd,"351 %s :%s %s %s :%s",user->nick,VERSION,"$Id$",ServerName,SYSTEM);
4168 void handle_ping(char **parameters, int pcnt, userrec *user)
4170 WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
4173 void handle_pong(char **parameters, int pcnt, userrec *user)
4175 // set the user as alive so they survive to next ping
4179 void handle_motd(char **parameters, int pcnt, userrec *user)
4184 void handle_rules(char **parameters, int pcnt, userrec *user)
4189 void handle_user(char **parameters, int pcnt, userrec *user)
4191 if (user->registered < 3)
4193 if (isident(parameters[0]) == 0) {
4194 // This kinda Sucks, According to the RFC thou, its either this,
4195 // or "You have already registered" :p -- Craig
4196 WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
4199 WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
4200 strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
4201 strncat(user->ident,parameters[0],IDENTMAX);
4202 strncpy(user->fullname,parameters[3],128);
4203 user->registered = (user->registered | 1);
4208 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
4211 /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
4212 if (user->registered == 3)
4214 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
4219 void handle_userhost(char **parameters, int pcnt, userrec *user)
4221 char Return[MAXBUF],junk[MAXBUF];
4222 sprintf(Return,"302 %s :",user->nick);
4223 for (int i = 0; i < pcnt; i++)
4225 userrec *u = Find(parameters[i]);
4228 if (strchr(u->modes,'o'))
4230 sprintf(junk,"%s*=+%s@%s ",u->nick,u->ident,u->host);
4231 strcat(Return,junk);
4235 sprintf(junk,"%s=+%s@%s ",u->nick,u->ident,u->host);
4236 strcat(Return,junk);
4240 WriteServ(user->fd,Return);
4244 void handle_ison(char **parameters, int pcnt, userrec *user)
4246 char Return[MAXBUF];
4247 sprintf(Return,"303 %s :",user->nick);
4248 for (int i = 0; i < pcnt; i++)
4250 userrec *u = Find(parameters[i]);
4253 strcat(Return,u->nick);
4257 WriteServ(user->fd,Return);
4261 void handle_away(char **parameters, int pcnt, userrec *user)
4265 strcpy(user->awaymsg,parameters[0]);
4266 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
4270 strcpy(user->awaymsg,"");
4271 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
4275 void handle_whowas(char **parameters, int pcnt, userrec* user)
4277 user_hash::iterator i = whowas.find(parameters[0]);
4279 if (i == whowas.end())
4281 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
4282 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
4286 time_t rawtime = i->second->signon;
4290 timeinfo = localtime(&rawtime);
4291 strcpy(b,asctime(timeinfo));
4292 b[strlen(b)-1] = '\0';
4294 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
4295 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
4296 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
4301 void handle_trace(char **parameters, int pcnt, userrec *user)
4303 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
4307 if (isnick(i->second->nick))
4309 if (strchr(i->second->modes,'o'))
4311 WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
4315 WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
4320 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
4326 void handle_modules(char **parameters, int pcnt, userrec *user)
4328 for (int i = 0; i < module_names.size(); i++)
4330 Version V = modules[i]->GetVersion();
4331 WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,module_names[i].c_str());
4335 void handle_stats(char **parameters, int pcnt, userrec *user)
4341 if (strlen(parameters[0])>1)
4343 /* make the stats query 1 character long */
4344 parameters[0][1] = '\0';
4347 /* stats m (list number of times each command has been used, plus bytecount) */
4348 if (!strcasecmp(parameters[0],"m"))
4350 for (int i = 0; i < cmdlist.size(); i++)
4352 if (cmdlist[i].handler_function)
4354 if (cmdlist[i].use_count)
4356 /* RPL_STATSCOMMANDS */
4357 WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
4364 /* stats z (debug and memory info) */
4365 if (!strcasecmp(parameters[0],"z"))
4367 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
4368 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
4369 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
4370 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
4371 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
4372 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
4373 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
4374 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
4378 if (!strcasecmp(parameters[0],"o"))
4380 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
4382 char LoginName[MAXBUF];
4383 char HostName[MAXBUF];
4384 char OperType[MAXBUF];
4385 ConfValue("oper","name",i,LoginName,&config_f);
4386 ConfValue("oper","host",i,HostName,&config_f);
4387 ConfValue("oper","type",i,OperType,&config_f);
4388 WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
4392 /* stats l (show user I/O stats) */
4393 if (!strcasecmp(parameters[0],"l"))
4395 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
4396 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
4398 if (isnick(i->second->nick))
4400 WriteServ(user->fd,"211 %s :%s:%d %s %d %d %d %d",user->nick,ServerName,i->second->port,i->second->nick,i->second->bytes_in,i->second->cmds_in,i->second->bytes_out,i->second->cmds_out);
4404 WriteServ(user->fd,"211 %s :%s:%d (unknown@%d) %d %d %d %d",user->nick,ServerName,i->second->port,i->second->fd,i->second->bytes_in,i->second->cmds_in,i->second->bytes_out,i->second->cmds_out);
4410 /* stats u (show server uptime) */
4411 if (!strcasecmp(parameters[0],"u"))
4413 time_t current_time = 0;
4414 current_time = time(NULL);
4415 time_t server_uptime = current_time - startup_time;
4417 stime = gmtime(&server_uptime);
4418 /* i dont know who the hell would have an ircd running for over a year nonstop, but
4419 * Craig suggested this, and it seemed a good idea so in it went */
4420 if (stime->tm_year > 70)
4422 WriteServ(user->fd,"242 %s :Server up %d years, %d days, %.2d:%.2d:%.2d",user->nick,(stime->tm_year-70),stime->tm_yday,stime->tm_hour,stime->tm_min,stime->tm_sec);
4426 WriteServ(user->fd,"242 %s :Server up %d days, %.2d:%.2d:%.2d",user->nick,stime->tm_yday,stime->tm_hour,stime->tm_min,stime->tm_sec);
4430 WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
4431 WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
4435 void handle_connect(char **parameters, int pcnt, userrec *user)
4437 char Link_ServerName[1024];
4438 char Link_IPAddr[1024];
4439 char Link_Port[1024];
4440 char Link_Pass[1024];
4444 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
4446 ConfValue("link","name",i,Link_ServerName,&config_f);
4447 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
4448 ConfValue("link","port",i,Link_Port,&config_f);
4449 ConfValue("link","sendpass",i,Link_Pass,&config_f);
4450 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
4451 LinkPort = atoi(Link_Port);
4452 if (match(Link_ServerName,parameters[0])) {
4458 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
4462 // TODO: Perform a check here to stop a server being linked twice!
4464 WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
4466 if (me[defaultRoute])
4469 // at this point parameters[0] is an ip in a string.
4470 // TODO: Look this up from the <link> blocks instead!
4471 for (int j = 0; j < 255; j++) {
4472 if (servers[j] == NULL) {
4473 servers[j] = new serverrec;
4474 strcpy(servers[j]->internal_addr,Link_IPAddr);
4475 strcpy(servers[j]->name,Link_ServerName);
4476 log(DEBUG,"Allocated new serverrec");
4477 if (!me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass))
4479 WriteServ(user->fd,"NOTICE %s :*** Failed to send auth packet to %s!",user->nick,Link_IPAddr);
4484 WriteServ(user->fd,"NOTICE %s :*** Failed to create server record for address %s!",user->nick,Link_IPAddr);
4488 WriteServ(user->fd,"NOTICE %s :No default route is defined for server connections on this server. You must define a server connection to be default route so that sockets can be bound to it.",user->nick);
4492 void handle_squit(char **parameters, int pcnt, userrec *user)
4494 // send out an squit across the mesh and then clear the server list (for local squit)
4497 void handle_oper(char **parameters, int pcnt, userrec *user)
4499 char LoginName[MAXBUF];
4500 char Password[MAXBUF];
4501 char OperType[MAXBUF];
4502 char TypeName[MAXBUF];
4503 char Hostname[MAXBUF];
4506 for (i = 0; i < ConfValueEnum("oper",&config_f); i++)
4508 ConfValue("oper","name",i,LoginName,&config_f);
4509 ConfValue("oper","password",i,Password,&config_f);
4510 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])))
4512 /* correct oper credentials */
4513 ConfValue("oper","type",i,OperType,&config_f);
4514 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
4515 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
4516 WriteServ(user->fd,"MODE %s :+o",user->nick);
4517 for (j =0; j < ConfValueEnum("type",&config_f); j++)
4519 ConfValue("type","name",j,TypeName,&config_f);
4520 if (!strcmp(TypeName,OperType))
4522 /* found this oper's opertype */
4523 ConfValue("type","host",j,Hostname,&config_f);
4524 strncpy(user->dhost,Hostname,256);
4527 if (!strchr(user->modes,'o'))
4529 strcat(user->modes,"o");
4531 FOREACH_MOD OnOper(user);
4536 WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
4537 WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
4540 void handle_nick(char **parameters, int pcnt, userrec *user)
4544 log(DEBUG,"not enough params for handle_nick");
4549 log(DEBUG,"invalid parameter passed to handle_nick");
4552 if (!strlen(parameters[0]))
4554 log(DEBUG,"zero length new nick passed to handle_nick");
4559 log(DEBUG,"invalid user passed to handle_nick");
4564 log(DEBUG,"invalid old nick passed to handle_nick");
4567 if (!strcasecmp(user->nick,parameters[0]))
4569 log(DEBUG,"old nick is new nick, skipping");
4574 if (strlen(parameters[0]) > 1)
4576 if (parameters[0][0] == ':')
4581 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
4583 WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
4587 if (isnick(parameters[0]) == 0)
4589 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
4593 if (user->registered == 7)
4595 WriteCommon(user,"NICK %s",parameters[0]);
4598 /* change the nick of the user in the users_hash */
4599 user = ReHashNick(user->nick, parameters[0]);
4600 /* actually change the nick within the record */
4602 if (!user->nick) return;
4604 strncpy(user->nick, parameters[0],NICKMAX);
4606 log(DEBUG,"new nick set: %s",user->nick);
4608 if (user->registered < 3)
4609 user->registered = (user->registered | 2);
4610 if (user->registered == 3)
4612 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
4615 log(DEBUG,"exit nickchange: %s",user->nick);
4618 void force_nickchange(userrec* user,const char* newnick)
4627 strncpy(nick,newnick,MAXBUF);
4629 if (user->registered == 7)
4633 handle_nick(pars,1,user);
4639 int process_parameters(char **command_p,char *parameters)
4644 q = strlen(parameters);
4647 /* no parameters, command_p invalid! */
4650 if (parameters[0] == ':')
4652 command_p[0] = parameters+1;
4657 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
4659 /* only one parameter */
4660 command_p[0] = parameters;
4661 if (parameters[0] == ':')
4663 if (strchr(parameters,' ') != NULL)
4671 command_p[j++] = parameters;
4672 for (i = 0; i <= q; i++)
4674 if (parameters[i] == ' ')
4676 command_p[j++] = parameters+i+1;
4677 parameters[i] = '\0';
4678 if (command_p[j-1][0] == ':')
4680 *command_p[j-1]++; /* remove dodgy ":" */
4682 /* parameter like this marks end of the sequence */
4686 return j; /* returns total number of items in the list */
4689 void process_command(userrec *user, char* cmd)
4693 char *command_p[127];
4694 char p[MAXBUF], temp[MAXBUF];
4695 int i, j, items, cmd_found;
4697 for (int i = 0; i < 127; i++)
4698 command_p[i] = NULL;
4708 if (!strcmp(cmd,""))
4713 int total_params = 0;
4716 for (int q = 0; q < strlen(cmd)-1; q++)
4718 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
4721 // found a 'trailing', we dont count them after this.
4729 // another phidjit bug...
4730 if (total_params > 126)
4732 kill_link(user,"Protocol violation (1)");
4739 FOREACH_MOD OnServerRaw(tmp,true);
4740 const char* cmd2 = tmp.c_str();
4741 snprintf(cmd,512,"%s",cmd2);
4743 if (!strchr(cmd,' '))
4745 /* no parameters, lets skip the formalities and not chop up
4747 log(DEBUG,"About to preprocess command with no params");
4749 command_p[0] = NULL;
4751 for (int i = 0; i <= strlen(cmd); i++)
4753 cmd[i] = toupper(cmd[i]);
4755 log(DEBUG,"Preprocess done length=%d",strlen(cmd));
4762 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
4763 for (i = 0; i < strlen(temp); i++)
4765 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
4771 /* split the full string into a command plus parameters */
4775 if (strchr(cmd,' '))
4777 for (i = 0; i <= strlen(cmd); i++)
4779 /* capitalise the command ONLY, leave params intact */
4780 cmd[i] = toupper(cmd[i]);
4781 /* are we nearly there yet?! :P */
4785 parameters = cmd+i+1;
4793 for (i = 0; i <= strlen(cmd); i++)
4795 cmd[i] = toupper(cmd[i]);
4802 if (strlen(command)>MAXCOMMAND)
4804 kill_link(user,"Protocol violation (2)");
4808 for (int x = 0; x < strlen(command); x++)
4810 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
4812 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
4814 if (strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
4816 kill_link(user,"Protocol violation (3)");
4823 for (i = 0; i != cmdlist.size(); i++)
4825 if (strcmp(cmdlist[i].command,""))
4827 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
4829 log(DEBUG,"Found matching command");
4833 if (strcmp(parameters,""))
4835 items = process_parameters(command_p,parameters);
4840 command_p[0] = NULL;
4846 command_p[0] = NULL;
4851 log(DEBUG,"Processing command");
4853 /* activity resets the ping pending timer */
4854 user->nping = time(NULL) + 120;
4855 if ((items) < cmdlist[i].min_params)
4857 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
4858 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
4861 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
4863 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
4864 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
4868 /* if the command isnt USER, PASS, or NICK, and nick is empty,
4870 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
4872 if ((!isnick(user->nick)) || (user->registered != 7))
4874 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
4875 WriteServ(user->fd,"451 %s :You have not registered",command);
4879 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
4881 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
4882 if (cmdlist[i].handler_function)
4884 /* ikky /stats counters */
4889 user->bytes_in += strlen(temp);
4892 cmdlist[i].use_count++;
4893 cmdlist[i].total_bytes+=strlen(temp);
4896 /* WARNING: nothing may come after the
4897 * command handler call, as the handler
4898 * may free the user structure! */
4900 cmdlist[i].handler_function(command_p,items,user);
4906 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
4907 WriteServ(user->fd,"451 %s :You have not registered",command);
4915 if ((!cmd_found) && (user))
4917 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
4918 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
4923 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
4926 /* create the command and push it onto the table */
4927 strcpy(comm.command,cmd);
4928 comm.handler_function = f;
4929 comm.flags_needed = flags;
4930 comm.min_params = minparams;
4932 comm.total_bytes = 0;
4933 cmdlist.push_back(comm);
4934 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
4937 void SetupCommandTable(void)
4939 createcommand("USER",handle_user,0,4);
4940 createcommand("NICK",handle_nick,0,1);
4941 createcommand("QUIT",handle_quit,0,0);
4942 createcommand("VERSION",handle_version,0,0);
4943 createcommand("PING",handle_ping,0,1);
4944 createcommand("PONG",handle_pong,0,1);
4945 createcommand("ADMIN",handle_admin,0,0);
4946 createcommand("PRIVMSG",handle_privmsg,0,2);
4947 createcommand("INFO",handle_info,0,0);
4948 createcommand("TIME",handle_time,0,0);
4949 createcommand("WHOIS",handle_whois,0,1);
4950 createcommand("WALLOPS",handle_wallops,'o',1);
4951 createcommand("NOTICE",handle_notice,0,2);
4952 createcommand("JOIN",handle_join,0,1);
4953 createcommand("NAMES",handle_names,0,1);
4954 createcommand("PART",handle_part,0,1);
4955 createcommand("KICK",handle_kick,0,2);
4956 createcommand("MODE",handle_mode,0,1);
4957 createcommand("TOPIC",handle_topic,0,1);
4958 createcommand("WHO",handle_who,0,1);
4959 createcommand("MOTD",handle_motd,0,0);
4960 createcommand("RULES",handle_rules,0,0);
4961 createcommand("OPER",handle_oper,0,2);
4962 createcommand("LIST",handle_list,0,0);
4963 createcommand("DIE",handle_die,'o',1);
4964 createcommand("RESTART",handle_restart,'o',1);
4965 createcommand("KILL",handle_kill,'o',2);
4966 createcommand("REHASH",handle_rehash,'o',0);
4967 createcommand("LUSERS",handle_lusers,0,0);
4968 createcommand("STATS",handle_stats,0,1);
4969 createcommand("USERHOST",handle_userhost,0,1);
4970 createcommand("AWAY",handle_away,0,0);
4971 createcommand("ISON",handle_ison,0,0);
4972 createcommand("SUMMON",handle_summon,0,0);
4973 createcommand("USERS",handle_users,0,0);
4974 createcommand("INVITE",handle_invite,0,2);
4975 createcommand("PASS",handle_pass,0,1);
4976 createcommand("TRACE",handle_trace,'o',0);
4977 createcommand("WHOWAS",handle_whowas,0,1);
4978 createcommand("CONNECT",handle_connect,'o',1);
4979 createcommand("SQUIT",handle_squit,'o',1);
4980 createcommand("MODULES",handle_modules,'o',0);
4983 void process_buffer(char* cmdbuf,userrec *user)
4987 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
4994 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
4997 if (!strcmp(cmdbuf,""))
5001 strncpy(cmd,cmdbuf,MAXBUF);
5002 if (!strcmp(cmd,""))
5006 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
5008 cmd[strlen(cmd)-1] = '\0';
5010 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
5012 cmd[strlen(cmd)-1] = '\0';
5015 if (!strcmp(cmd,""))
5019 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
5021 if ((user) && (cmd))
5023 process_command(user,cmd);
5027 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,int udp_port)
5029 WriteOpers("Secure-UDP-Channel: Token='%c', Params='%s'",token,params);
5033 void handle_link_packet(long theirkey, char* udp_msg, char* udp_host, int udp_port, serverrec *serv)
5035 char response[10240];
5036 char token = udp_msg[0];
5037 char* params = udp_msg + 2;
5038 char finalparam[1024];
5039 strcpy(finalparam," :xxxx");
5040 if (strstr(params," :")) {
5041 strncpy(finalparam,strstr(params," :"),1024);
5044 // S test.chatspike.net password :ChatSpike InspIRCd test server
5045 char* servername = strtok(params," ");
5046 char* password = strtok(NULL," ");
5047 char* serverdesc = finalparam+2;
5048 WriteOpers("CONNECT from %s (%s)",servername,udp_host,password,serverdesc);
5051 char Link_ServerName[1024];
5052 char Link_IPAddr[1024];
5053 char Link_Port[1024];
5054 char Link_Pass[1024];
5055 char Link_SendPass[1024];
5058 // search for a corresponding <link> block in the config files
5059 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
5061 ConfValue("link","name",i,Link_ServerName,&config_f);
5062 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
5063 ConfValue("link","port",i,Link_Port,&config_f);
5064 ConfValue("link","recvpass",i,Link_Pass,&config_f);
5065 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
5066 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5067 LinkPort = atoi(Link_Port);
5068 if (!strcasecmp(Link_ServerName,servername)) {
5069 if (!strcasecmp(Link_IPAddr,udp_host)) {
5070 if (LinkPort == udp_port) {
5071 // we have a matching link line -
5072 // send a 'diminutive' server message back...
5073 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
5074 serv->SendPacket(response,udp_host,udp_port,0);
5075 WriteOpers("CONNECT from %s accepted, authenticating",servername);
5076 for (int j = 0; j < 255; j++) {
5077 if (servers[j] == NULL) {
5078 servers[j] = new serverrec;
5079 strcpy(servers[j]->internal_addr,udp_host);
5080 strcpy(servers[j]->name,servername);
5081 // create a server record for this server
5082 snprintf(response,10240,"O %d",MyKey);
5083 serv->SendPacket(response,udp_host,udp_port,0);
5087 WriteOpers("Internal error connecting to %s, failed to create server record!",servername);
5091 log(DEBUG,"Port numbers '%d' and '%d' don't match",LinkPort,udp_port);
5095 log(DEBUG,"IP Addresses '%s' and '%s' don't match",Link_IPAddr,udp_host);
5099 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
5102 serv->SendPacket("E :Access is denied (no matching link block)",udp_host,udp_port,0);
5103 WriteOpers("CONNECT from %s denied, no matching link block",servername);
5108 // if this is received, this means the server-ip that sent it said "OK" to credentials.
5109 // only when a server says this do we exchange keys. The server MUST have an entry in the servers
5110 // array, which is only added by an 'S' packet or BeginLink().
5111 for (int i = 0; i < 255; i++) {
5112 if (servers[i] != NULL) {
5113 if (!strcasecmp(servers[i]->internal_addr,udp_host)) {
5114 servers[i]->key = atoi(params);
5115 log(DEBUG,"Key for this server is now %d",servers[i]->key);
5116 serv->SendPacket("Z blah blah",udp_host,udp_port,MyKey);
5121 WriteOpers("\2WARNING!\2 Server ip %s attempted a key exchange, but is not in the authentication state! Possible intrusion attempt!",udp_host);
5125 // S test.chatspike.net password :ChatSpike InspIRCd test server
5126 char* servername = strtok(params," ");
5127 char* password = strtok(NULL," ");
5128 char* serverdesc = finalparam+2;
5130 // TODO: we should do a check here to ensure that this server is one we recently initiated a
5131 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
5132 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
5133 // a connect, so put out an oper alert!
5138 // for now, just accept all, we'll fix that later.
5139 WriteOpers("%s accepted our link credentials ",servername);
5141 char Link_ServerName[1024];
5142 char Link_IPAddr[1024];
5143 char Link_Port[1024];
5144 char Link_Pass[1024];
5145 char Link_SendPass[1024];
5148 // search for a corresponding <link> block in the config files
5149 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
5151 ConfValue("link","name",i,Link_ServerName,&config_f);
5152 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
5153 ConfValue("link","port",i,Link_Port,&config_f);
5154 ConfValue("link","recvpass",i,Link_Pass,&config_f);
5155 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
5156 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5157 LinkPort = atoi(Link_Port);
5158 if (!strcasecmp(Link_ServerName,servername)) {
5159 if (!strcasecmp(Link_IPAddr,udp_host)) {
5160 if (LinkPort == udp_port) {
5161 // matching link at this end too, we're all done!
5162 // at this point we must begin key exchange and insert this
5163 // server into our 'active' table.
5164 for (int j = 0; j < 255; j++) {
5165 if (servers[j] != NULL) {
5166 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5167 WriteOpers("Server %s authenticated, exchanging server keys...",servername);
5168 snprintf(response,10240,"O %d",MyKey);
5169 serv->SendPacket(response,udp_host,udp_port,0);
5174 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",udp_host);
5179 log(DEBUG,"Port numbers '%d' and '%d' don't match",LinkPort,udp_port);
5183 log(DEBUG,"IP Addresses '%s' and '%s' don't match",Link_IPAddr,udp_host);
5187 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
5190 serv->SendPacket("E :Access is denied (no matching link block)",udp_host,udp_port,0);
5191 WriteOpers("CONNECT from %s denied, no matching link block",servername);
5196 char* error_message = finalparam+2;
5197 WriteOpers("ERROR from %s: %s",udp_host,error_message);
5198 // remove this server from any lists
5199 for (int j = 0; j < 255; j++) {
5200 if (servers[j] != NULL) {
5201 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5211 serverrec* source_server = NULL;
5213 for (int j = 0; j < 255; j++) {
5214 if (servers[j] != NULL) {
5215 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5216 if (servers[j]->key == theirkey) {
5217 // found a valid key for this server, can process restricted stuff here
5218 process_restricted_commands(token,params,servers[j],serv,udp_host,udp_port);
5226 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s:%d: %c",udp_host,udp_port,token);
5230 int reap_counter = 0;
5234 struct sockaddr_in client, server;
5235 char addrs[MAXBUF][255];
5236 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
5238 int count = 0, scanDetectTrigger = TRUE, showBanner = FALSE;
5239 int selectResult = 0, selectResult2 = 0;
5240 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
5241 char resolvedHost[MAXBUF];
5245 log_file = fopen("ircd.log","a+");
5248 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
5252 log(DEBUG,"InspIRCd: startup: begin");
5256 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
5258 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
5260 SetupCommandTable();
5261 log(DEBUG,"InspIRCd: startup: default command table set up");
5264 if (strcmp(DieValue,""))
5266 printf("WARNING: %s\n\n",DieValue);
5269 log(DEBUG,"InspIRCd: startup: read config");
5271 int count2 = 0, count3 = 0;
5273 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
5275 ConfValue("bind","port",count,configToken,&config_f);
5276 ConfValue("bind","address",count,Addr,&config_f);
5277 ConfValue("bind","type",count,Type,&config_f);
5278 if (!strcmp(Type,"servers"))
5280 char Default[MAXBUF];
5281 strcpy(Default,"no");
5282 ConfValue("bind","default",count,Default,&config_f);
5283 if (strchr(Default,'y'))
5285 defaultRoute = count3;
5286 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
5288 me[count3] = new serverrec(ServerName,100L,false);
5289 me[count3]->CreateListener(Addr,atoi(configToken));
5294 ports[count2] = atoi(configToken);
5295 strcpy(addrs[count2],Addr);
5298 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
5301 UDPportCount = count3;
5303 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
5305 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
5309 /* BugFix By Craig! :p */
5311 for (count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
5313 char modfile[MAXBUF];
5314 ConfValue("module","name",count2,configToken,&config_f);
5315 sprintf(modfile,"%s/%s",MOD_PATH,configToken,&config_f);
5316 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
5317 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
5318 /* If The File Doesnt exist, Trying to load it
5319 * Will Segfault the IRCd.. So, check to see if
5320 * it Exists, Before Proceeding. */
5321 if (FileExists(modfile))
5323 factory[count] = new ircd_module(modfile);
5324 if (factory[count]->LastError())
5326 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
5327 sprintf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
5330 if (factory[count]->factory)
5332 modules[count] = factory[count]->factory->CreateModule();
5333 /* save the module and the module's classfactory, if
5334 * this isnt done, random crashes can occur :/ */
5335 module_names.push_back(modfile);
5339 log(DEBUG,"Unable to load %s",modfile);
5340 sprintf("Unable to load %s\nExiting...\n",modfile);
5343 /* Increase the Count */
5348 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
5349 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
5352 MODCOUNT = count - 1;
5353 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
5355 printf("\nInspIRCd is now running!\n");
5357 startup_time = time(NULL);
5361 log(VERBOSE,"Not forking as -nofork was specified");
5365 if (DaemonSeed() == ERROR)
5367 log(DEBUG,"InspIRCd: startup: can't daemonise");
5368 printf("ERROR: could not go into daemon mode. Shutting down.\n");
5374 /* setup select call */
5375 FD_ZERO(&selectFds);
5376 log(DEBUG,"InspIRCd: startup: zero selects");
5377 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
5379 for (count = 0; count < portCount; count++)
5381 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
5383 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
5386 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
5388 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
5390 else /* well we at least bound to one socket so we'll continue */
5396 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
5398 /* if we didn't bind to anything then abort */
5399 if (boundPortCount == 0)
5401 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
5405 length = sizeof (client);
5406 int flip_flop = 0, udp_port = 0;
5407 char udp_msg[MAXBUF], udp_host[MAXBUF];
5409 /* main loop, this never returns */
5413 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
5414 // them in a list, then reap the list every second or so.
5415 if (reap_counter>5000) {
5416 if (fd_reap.size() > 0) {
5417 for( int n = 0; n < fd_reap.size(); n++)
5419 Blocking(fd_reap[n]);
5421 NonBlocking(fd_reap[n]);
5429 for (int x = 0; x != UDPportCount; x++)
5432 if (me[x]->RecvPacket(udp_msg, udp_host, udp_port, theirkey))
5434 if (strlen(udp_msg)<1) {
5435 log(DEBUG,"Invalid datagram from %s:%d:%d [route%d]",udp_host,udp_port,me[x]->port,x);
5439 FOREACH_MOD OnPacketReceive(udp_msg);
5440 // Packets must go back via the route they arrived on :)
5441 handle_link_packet(theirkey, udp_msg, udp_host, udp_port, me[x]);
5447 struct timeval tval;
5450 user_hash::iterator count2 = clientlist.begin();
5452 while (count2 != clientlist.end())
5455 tval.tv_usec = tval.tv_sec = 0;
5457 int total_in_this_set = 0;
5459 user_hash::iterator xcount = count2;
5460 user_hash::iterator endingiter = count2;
5462 if (!count2->second) break;
5465 if (count2->second->fd)
5467 // assemble up to 64 sockets into an fd_set
5468 // to implement a pooling mechanism.
5470 // This should be up to 64x faster than the
5471 // old implementation.
5472 while (total_in_this_set < 64)
5474 if (count2 != clientlist.end())
5476 FD_SET (count2->second->fd, &sfd);
5478 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
5479 // their connection class.
5480 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
5482 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
5483 kill_link(count2->second,"Registration timeout");
5486 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
5488 if ((!count2->second->lastping) && (count2->second->registered == 7))
5490 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
5491 kill_link(count2->second,"Ping timeout");
5494 Write(count2->second->fd,"PING :%s",ServerName);
5495 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
5496 count2->second->lastping = 0;
5497 count2->second->nping = time(NULL)+120;
5500 total_in_this_set++;
5505 endingiter = count2;
5506 count2 = xcount; // roll back to where we were
5512 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
5514 // now loop through all of the items in this pool if any are waiting
5515 //if (selectResult2 > 0)
5516 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
5519 if ((FD_ISSET (count2a->second->fd, &sfd)) || (strlen(count2a->second->carryover)))
5521 //result = read(count2a->second->fd, data, 1);
5523 NonBlocking(count2a->second->fd);
5525 if (strlen(count2a->second->carryover))
5527 strncpy(data,count2a->second->carryover,MAXBUF);
5528 strcpy(count2a->second->carryover,"");
5534 result = read(count2a->second->fd, data, 256);
5541 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
5543 log(DEBUG,"killing: %s",count2a->second->nick);
5544 kill_link(count2a->second,strerror(errno));
5547 data[result] = '\0'; // pad the data
5549 // result EAGAIN means nothing read
5550 if (result == EAGAIN)
5558 log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
5559 kill_link(count2a->second,"Client exited");
5560 // must bail here? kill_link removes the hash, corrupting the iterator
5561 log(DEBUG,"Bailing from client exit");
5565 else if (result > 0)
5567 if (count2a->second)
5573 for(int chr = 0; chr < result; chr++)
5577 // until the buffer is at 509 chars anything can be inserted into it.
5580 strncat(count2a->second->inbuf, d, MAXBUF);
5584 if ((d[0] == '\n') || (d[0] == '\r'))
5586 char cmdbuf[MAXBUF];
5587 strncpy(cmdbuf,count2a->second->inbuf,MAXBUF);
5588 strcpy(count2a->second->inbuf,"");
5590 if ((x != NULL) && (chr < 255))
5594 if ((x[0] == '\n') || (x[0] == '\r')) x++;
5595 if ((x[0] == '\n') || (x[0] == '\r')) x++;
5598 strncpy(count2a->second->carryover,x,MAXBUF);
5602 if (strlen(cmdbuf)>1)
5604 process_buffer(cmdbuf,count2a->second);
5613 for (int q = 0; q < total_in_this_set; q++)
5615 // there is no iterator += operator :(
5616 //if (count2 != clientlist.end())
5623 // set up select call
5624 for (count = 0; count < boundPortCount; count++)
5626 FD_SET (openSockfd[count], &selectFds);
5629 /* added timeout! select was waiting forever... wank... :/ */
5641 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
5643 /* select is reporting a waiting socket. Poll them all to find out which */
5644 if (selectResult > 0)
5646 char target[MAXBUF], resolved[MAXBUF];
5647 for (count = 0; count < boundPortCount; count++)
5649 if (FD_ISSET (openSockfd[count], &selectFds))
5651 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
5653 address_cache::iterator iter = IP.find(client.sin_addr);
5654 bool iscached = false;
5655 if (iter == IP.end())
5657 /* ip isn't in cache, add it */
5658 strncpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
5659 if(CleanAndResolve(resolved, target) != TRUE)
5661 strncpy(resolved,target,MAXBUF);
5663 /* hostname now in 'target' */
5664 IP[client.sin_addr] = new string(resolved);
5665 /* hostname in cache */
5669 /* found ip (cached) */
5670 strncpy(resolved, iter->second->c_str(), MAXBUF);
5674 if (incomingSockfd < 0)
5676 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
5677 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
5681 AddClient(incomingSockfd, resolved, ports[count], iscached);
5682 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
5689 if(0) {}; // "Label must be followed by a statement"... so i gave it one.
5692 close (incomingSockfd);