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! ;) */
20 #include "inspircd_io.h"
21 #include "inspircd_util.h"
22 #include "inspircd_config.h"
25 #include <sys/errno.h>
26 #include <sys/ioctl.h>
27 #include <sys/utsname.h>
32 #include <ext/hash_map>
41 #include "connection.h"
53 #define nspace __gnu_cxx
58 int LogLevel = DEFAULT;
59 char ServerName[MAXBUF];
61 char ServerDesc[MAXBUF];
62 char AdminName[MAXBUF];
63 char AdminEmail[MAXBUF];
64 char AdminNick[MAXBUF];
66 char restartpass[MAXBUF];
70 char PrefixQuit[MAXBUF];
71 char DieValue[MAXBUF];
73 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
74 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
76 time_t startup_time = time(NULL);
78 extern vector<Module*> modules;
79 vector<string> module_names;
80 extern vector<ircd_module*> factory;
89 template<> struct nspace::hash<in_addr>
91 size_t operator()(const struct in_addr &a) const
94 memcpy(&q,&a,sizeof(size_t));
99 template<> struct nspace::hash<string>
101 size_t operator()(const string &s) const
104 static struct hash<const char *> strhash;
116 bool operator()(const string& s1, const string& s2) const
118 char a[MAXBUF],b[MAXBUF];
119 strcpy(a,s1.c_str());
120 strcpy(b,s2.c_str());
121 return (strcasecmp(a,b) == 0);
126 struct InAddr_HashComp
129 bool operator()(const in_addr &s1, const in_addr &s2) const
134 memcpy(&q,&s1,sizeof(size_t));
135 memcpy(&p,&s2,sizeof(size_t));
143 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
144 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
145 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
146 typedef std::deque<command_t> command_table;
149 serverrec* servers[255];
153 user_hash clientlist;
156 command_table cmdlist;
163 struct linger linger = { 0 };
164 char bannerBuffer[MAXBUF];
165 int boundPortCount = 0;
166 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
167 int defaultRoute = 0;
171 long MyKey = C.GenKey();
175 int has_channel(userrec *u, chanrec *c);
176 int usercount(chanrec *c);
177 int usercount_i(chanrec *c);
178 void update_stats_l(int fd,int data_out);
179 char* Passwd(userrec *user);
180 bool IsDenied(userrec *user);
181 void AddWhoWas(userrec* u);
184 void safedelete(userrec *p)
188 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
189 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
194 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
198 void safedelete(chanrec *p)
203 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
207 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
212 void tidystring(char* str)
214 // strips out double spaces before a : parameter
217 bool go_again = true;
224 while ((str[0] == ' ') && (strlen(str)>0))
231 bool noparse = false;
234 while (a < strlen(str))
236 if ((a<strlen(str)-1) && (noparse==false))
238 if ((str[a] == ' ') && (str[a+1] == ' '))
240 log(DEBUG,"Tidied extra space out of string: %s",str);
248 if ((str[a] == ' ') && (str[a+1] == ':'))
254 temp[t++] = str[a++];
257 strncpy(str,temp,MAXBUF);
261 /* chop a string down to 512 characters and preserve linefeed (irc max
268 FOREACH_MOD OnServerRaw(temp,false);
269 const char* str2 = temp.c_str();
270 sprintf(str,"%s",str2);
273 if (strlen(str) >= 512)
282 std::string getservername()
287 std::string getserverdesc()
292 std::string getnetworkname()
297 std::string getadminname()
302 std::string getadminemail()
307 std::string getadminnick()
312 void log(int level,char *text, ...)
314 char textbuffer[MAXBUF];
317 struct tm * timeinfo;
318 if (level < LogLevel)
322 timeinfo = localtime (&rawtime);
327 va_start (argsPtr, text);
328 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
330 strcpy(b,asctime(timeinfo));
331 b[strlen(b)-1] = ':';
332 fprintf(log_file,"%s %s\n",b,textbuffer);
335 // nofork enabled? display it on terminal too
336 printf("%s %s\n",b,textbuffer);
341 void readfile(file_cache &F, const char* fname)
344 char linebuf[MAXBUF];
346 log(DEBUG,"readfile: loading %s",fname);
348 file = fopen(fname,"r");
353 fgets(linebuf,sizeof(linebuf),file);
354 linebuf[strlen(linebuf)-1]='\0';
355 if (!strcmp(linebuf,""))
361 F.push_back(linebuf);
368 log(DEBUG,"readfile: failed to load file: %s",fname);
370 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
373 void ReadConfig(void)
375 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF];
378 ConfValue("server","name",0,ServerName);
379 ConfValue("server","description",0,ServerDesc);
380 ConfValue("server","network",0,Network);
381 ConfValue("admin","name",0,AdminName);
382 ConfValue("admin","email",0,AdminEmail);
383 ConfValue("admin","nick",0,AdminNick);
384 ConfValue("files","motd",0,motd);
385 ConfValue("files","rules",0,rules);
386 ConfValue("power","diepass",0,diepass);
387 ConfValue("power","pause",0,pauseval);
388 ConfValue("power","restartpass",0,restartpass);
389 ConfValue("options","prefixquit",0,PrefixQuit);
390 ConfValue("die","value",0,DieValue);
391 ConfValue("options","loglevel",0,dbg);
392 if (!strcmp(dbg,"debug"))
394 if (!strcmp(dbg,"verbose"))
396 if (!strcmp(dbg,"default"))
398 if (!strcmp(dbg,"sparse"))
400 if (!strcmp(dbg,"none"))
403 log(DEBUG,"Reading message of the day");
404 readfile(RULES,rules);
405 log(DEBUG,"Reading connect classes");
407 for (int i = 0; i < ConfValueEnum("connect"); i++)
410 ConfValue("connect","allow",i,Value);
411 ConfValue("connect","timeout",i,timeout);
412 if (strcmp(Value,""))
414 strcpy(c.host,Value);
417 ConfValue("connect","password",i,Value);
418 strcpy(c.pass,Value);
419 c.registration_timeout = 90; // default is 2 minutes
422 c.registration_timeout = atoi(timeout);
424 Classes.push_back(c);
425 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s",c.host,c.pass);
429 ConfValue("connect","deny",i,Value);
430 strcpy(c.host,Value);
432 Classes.push_back(c);
433 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
442 log(DEBUG,"Blocking: %d",s);
443 flags = fcntl(s, F_GETFL, 0);
444 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
447 void NonBlocking(int s)
450 log(DEBUG,"NonBlocking: %d",s);
451 flags = fcntl(s, F_GETFL, 0);
452 fcntl(s, F_SETFL, flags | O_NONBLOCK);
456 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
458 struct hostent *hostPtr = NULL;
461 memset (resolvedHost, '\0',MAXBUF);
462 if(unresolvedHost == NULL)
464 if ((inet_aton(unresolvedHost,&addr)) == 0)
466 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
468 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
470 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
474 /* write formatted text to a socket, in same format as printf */
476 void Write(int sock,char *text, ...)
480 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
483 char textbuffer[MAXBUF];
487 va_start (argsPtr, text);
488 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
490 sprintf(tb,"%s\r\n",textbuffer);
492 write(sock,tb,strlen(tb));
493 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
496 /* write a server formatted numeric response to a single socket */
498 void WriteServ(int sock, char* text, ...)
502 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
505 char textbuffer[MAXBUF],tb[MAXBUF];
507 va_start (argsPtr, text);
509 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
511 sprintf(tb,":%s %s\r\n",ServerName,textbuffer);
513 write(sock,tb,strlen(tb));
514 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
517 /* write text from an originating user to originating user */
519 void WriteFrom(int sock, userrec *user,char* text, ...)
521 if ((!text) || (!user))
523 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
526 char textbuffer[MAXBUF],tb[MAXBUF];
528 va_start (argsPtr, text);
530 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
532 sprintf(tb,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
534 write(sock,tb,strlen(tb));
535 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
538 /* write text to an destination user from a source user (e.g. user privmsg) */
540 void WriteTo(userrec *source, userrec *dest,char *data, ...)
542 if ((!source) || (!dest) || (!data))
544 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
547 char textbuffer[MAXBUF],tb[MAXBUF];
549 va_start (argsPtr, data);
550 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
553 WriteFrom(dest->fd,source,"%s",textbuffer);
556 /* write formatted text from a source user to all users on a channel
557 * including the sender (NOT for privmsg, notice etc!) */
559 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
561 if ((!Ptr) || (!user) || (!text))
563 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
566 char textbuffer[MAXBUF];
568 va_start (argsPtr, text);
569 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
571 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
573 if (has_channel(i->second,Ptr))
575 WriteTo(user,i->second,"%s",textbuffer);
580 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
582 if ((!Ptr) || (!user) || (!text))
584 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
587 char textbuffer[MAXBUF];
589 va_start (argsPtr, text);
590 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
592 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
596 if (has_channel(i->second,Ptr))
598 WriteServ(i->second->fd,"%s",textbuffer);
605 /* write formatted text from a source user to all users on a channel except
606 * for the sender (for privmsg etc) */
608 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
610 if ((!Ptr) || (!user) || (!text))
612 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
615 char textbuffer[MAXBUF];
617 va_start (argsPtr, text);
618 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
621 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
625 if (has_channel(i->second,Ptr) && (user != i->second))
627 WriteTo(user,i->second,"%s",textbuffer);
633 int c_count(userrec* u)
636 for (int i =0; i != MAXCHANS; i++)
637 if (u->chans[i].channel != NULL)
643 /* return 0 or 1 depending if users u and u2 share one or more common channels
644 * (used by QUIT, NICK etc which arent channel specific notices) */
646 int common_channels(userrec *u, userrec *u2)
653 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
656 for (i = 0; i != MAXCHANS; i++)
658 for (z = 0; z != MAXCHANS; z++)
660 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
662 if ((u->chans[i].channel == u2->chans[z].channel) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
664 if ((c_count(u)) && (c_count(u2)))
675 /* write a formatted string to all users who share at least one common
676 * channel, including the source user e.g. for use in NICK */
678 void WriteCommon(userrec *u, char* text, ...)
682 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
686 if (u->registered != 7) {
687 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
691 char textbuffer[MAXBUF];
693 va_start (argsPtr, text);
694 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
697 WriteFrom(u->fd,u,"%s",textbuffer);
699 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
703 if (common_channels(u,i->second) && (i->second != u))
705 WriteFrom(i->second->fd,u,"%s",textbuffer);
711 /* write a formatted string to all users who share at least one common
712 * channel, NOT including the source user e.g. for use in QUIT */
714 void WriteCommonExcept(userrec *u, char* text, ...)
718 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
722 if (u->registered != 7) {
723 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
727 char textbuffer[MAXBUF];
729 va_start (argsPtr, text);
730 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
733 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
737 if ((common_channels(u,i->second)) && (u != i->second))
739 WriteFrom(i->second->fd,u,"%s",textbuffer);
745 void WriteOpers(char* text, ...)
749 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
753 char textbuffer[MAXBUF];
755 va_start (argsPtr, text);
756 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
759 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
763 if (strchr(i->second->modes,'o'))
765 if (strchr(i->second->modes,'s'))
767 // send server notices to all with +s
768 // (TODO: needs SNOMASKs)
769 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
776 bool hasumode(userrec* user, char mode)
780 return (strchr(user->modes,mode)>0);
785 void WriteMode(const char* modes, int flags, const char* text, ...)
787 if ((!text) || (!modes) || (!flags))
789 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
793 char textbuffer[MAXBUF];
795 va_start (argsPtr, text);
796 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
799 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
803 bool send_to_user = false;
808 for (int n = 0; n < strlen(modes); n++)
810 if (!hasumode(i->second,modes[n]))
812 send_to_user = false;
817 else if (flags == WM_OR)
819 send_to_user = false;
820 for (int n = 0; n < strlen(modes); n++)
822 if (hasumode(i->second,modes[n]))
832 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
838 void WriteWallOps(userrec *source, char* text, ...)
840 if ((!text) || (!source))
842 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
847 char textbuffer[MAXBUF];
849 va_start (argsPtr, text);
850 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
853 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
857 if (strchr(i->second->modes,'w'))
859 WriteTo(source,i->second,"WALLOPS %s",textbuffer);
865 /* convert a string to lowercase. Note following special circumstances
866 * taken from RFC 1459. Many "official" server branches still hold to this
867 * rule so i will too;
869 * Because of IRC's scandanavian origin, the characters {}| are
870 * considered to be the lower case equivalents of the characters []\,
871 * respectively. This is a critical issue when determining the
872 * equivalence of two nicknames.
875 void strlower(char *n)
881 for (int i = 0; i != strlen(n); i++)
883 n[i] = tolower(n[i]);
893 /* verify that a user's ident and nickname is valid */
895 int isident(const char* n)
908 for (i = 0; i != strlen(n); i++)
910 if ((n[i] < 33) || (n[i] > 125))
914 /* can't occur ANYWHERE in an Ident! */
915 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
924 int isnick(const char* n)
936 if (strlen(n) > NICKMAX-1)
940 for (i = 0; i != strlen(n); i++)
942 if ((n[i] < 33) || (n[i] > 125))
946 /* can't occur ANYWHERE in a nickname! */
947 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
951 /* can't occur as the first char of a nickname... */
952 if ((strchr("0123456789",n[i])) && (!i))
960 /* Find a user record by nickname and return a pointer to it */
962 userrec* Find(string nick)
964 user_hash::iterator iter = clientlist.find(nick);
966 if (iter == clientlist.end())
967 /* Couldn't find it */
973 void update_stats_l(int fd,int data_out) /* add one line-out to stats L for this fd */
975 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
979 if (i->second->fd == fd)
981 i->second->bytes_out+=data_out;
982 i->second->cmds_out++;
989 /* find a channel record by channel name and return a pointer to it */
991 chanrec* FindChan(const char* chan)
995 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
999 chan_hash::iterator iter = chanlist.find(chan);
1001 if (iter == chanlist.end())
1002 /* Couldn't find it */
1005 return iter->second;
1009 void purge_empty_chans(void)
1011 int go_again = 1, purge = 0;
1016 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1019 if (!usercount(i->second))
1021 /* kill the record */
1022 if (i != chanlist.end())
1024 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1034 log(DEBUG,"skipped purge for %s",i->second->name);
1039 log(DEBUG,"completed channel purge, killed %d",purge);
1042 /* returns the status character for a given user on a channel, e.g. @ for op,
1043 * % for halfop etc. If the user has several modes set, the highest mode
1044 * the user has must be returned. */
1046 char* cmode(userrec *user, chanrec *chan)
1048 if ((!user) || (!chan))
1050 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
1055 for (i = 0; i != MAXCHANS; i++)
1057 if ((user->chans[i].channel == chan) && (chan != NULL))
1059 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1063 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1067 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1076 char scratch[MAXBUF];
1077 char sparam[MAXBUF];
1079 char* chanmodes(chanrec *chan)
1083 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1090 if (chan->noexternal)
1092 strncat(scratch,"n",MAXMODES);
1094 if (chan->topiclock)
1096 strncat(scratch,"t",MAXMODES);
1098 if (strcmp(chan->key,""))
1100 strncat(scratch,"k",MAXMODES);
1104 strncat(scratch,"l",MAXMODES);
1106 if (chan->inviteonly)
1108 strncat(scratch,"i",MAXMODES);
1110 if (chan->moderated)
1112 strncat(scratch,"m",MAXMODES);
1116 strncat(scratch,"s",MAXMODES);
1118 if (chan->c_private)
1120 strncat(scratch,"p",MAXMODES);
1122 if (strcmp(chan->key,""))
1124 strncat(sparam,chan->key,MAXBUF);
1129 sprintf(foo," %d",chan->limit);
1130 strncat(sparam,foo,MAXBUF);
1132 if (strlen(chan->custom_modes))
1134 strncat(scratch,chan->custom_modes,MAXMODES);
1135 for (int z = 0; z < strlen(chan->custom_modes); z++)
1137 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1140 strncat(sparam," ",MAXBUF);
1141 strncat(sparam,extparam.c_str(),MAXBUF);
1145 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1146 strncat(scratch,sparam,MAXMODES);
1150 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
1151 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
1152 * highest mode the user has must be returned. */
1154 int cstatus(userrec *user, chanrec *chan)
1156 if ((!chan) || (!user))
1158 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
1163 for (i = 0; i != MAXCHANS; i++)
1165 if ((user->chans[i].channel == chan) && (chan != NULL))
1167 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1171 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1175 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1177 return STATUS_VOICE;
1179 return STATUS_NORMAL;
1185 /* compile a userlist of a channel into a string, each nick seperated by
1186 * spaces and op, voice etc status shown as @ and + */
1188 void userlist(userrec *user,chanrec *c)
1190 if ((!c) || (!user))
1192 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1196 sprintf(list,"353 %s = %s :", user->nick, c->name);
1197 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1199 if (has_channel(i->second,c))
1201 if (isnick(i->second->nick))
1203 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1205 /* user is +i, and source not on the channel, does not show
1206 * nick in NAMES list */
1209 strcat(list,cmode(i->second,c));
1210 strcat(list,i->second->nick);
1212 if (strlen(list)>(480-NICKMAX))
1214 /* list overflowed into
1215 * multiple numerics */
1216 WriteServ(user->fd,list);
1217 sprintf(list,"353 %s = %s :", user->nick, c->name);
1222 /* if whats left in the list isnt empty, send it */
1223 if (list[strlen(list)-1] != ':')
1225 WriteServ(user->fd,list);
1229 /* return a count of the users on a specific channel accounting for
1230 * invisible users who won't increase the count. e.g. for /LIST */
1232 int usercount_i(chanrec *c)
1239 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1244 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1248 if (has_channel(i->second,c))
1250 if (isnick(i->second->nick))
1252 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1254 /* user is +i, and source not on the channel, does not show
1255 * nick in NAMES list */
1263 log(DEBUG,"usercount_i: %s %d",c->name,count);
1268 int usercount(chanrec *c)
1275 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1280 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1284 if (has_channel(i->second,c))
1286 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1293 log(DEBUG,"usercount: %s %d",c->name,count);
1298 /* add a channel to a user, creating the record for it if needed and linking
1299 * it to the user record */
1301 chanrec* add_channel(userrec *user, char* cname, char* key)
1304 if ((!user) || (!cname))
1306 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1314 // we MUST declare this wherever we use FOREACH_RESULT
1317 if ((!cname) || (!user))
1321 if (strlen(cname) > CHANMAX-1)
1323 cname[CHANMAX-1] = '\0';
1326 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1328 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1330 return NULL; // already on the channel!
1334 if (!FindChan(cname))
1336 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1341 /* create a new one */
1342 log(DEBUG,"add_channel: creating: %s",cname);
1344 chanlist[cname] = new chanrec();
1346 strcpy(chanlist[cname]->name, cname);
1347 chanlist[cname]->topiclock = 1;
1348 chanlist[cname]->noexternal = 1;
1349 chanlist[cname]->created = time(NULL);
1350 strcpy(chanlist[cname]->topic, "");
1351 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1352 chanlist[cname]->topicset = 0;
1353 Ptr = chanlist[cname];
1354 log(DEBUG,"add_channel: created: %s",cname);
1355 /* set created to 2 to indicate user
1356 * is the first in the channel
1357 * and should be given ops */
1363 /* channel exists, just fish out a pointer to its struct */
1364 Ptr = FindChan(cname);
1367 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1372 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1373 if (strcmp(Ptr->key,""))
1375 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1378 log(DEBUG,"add_channel: no key given in JOIN");
1379 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1384 log(DEBUG,"key at %p is %s",key,key);
1385 if (strcasecmp(key,Ptr->key))
1387 log(DEBUG,"add_channel: bad key given in JOIN");
1388 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1393 log(DEBUG,"add_channel: no key");
1395 if (Ptr->inviteonly)
1397 log(DEBUG,"add_channel: channel is +i");
1398 if (user->IsInvited(Ptr->name))
1400 /* user was invited to channel */
1401 /* there may be an optional channel NOTICE here */
1405 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1409 log(DEBUG,"add_channel: channel is not +i");
1413 if (usercount(Ptr) == Ptr->limit)
1415 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1420 log(DEBUG,"add_channel: about to walk banlist");
1422 /* check user against the channel banlist */
1423 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1425 if (match(user->GetFullHost(),i->data))
1427 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1432 log(DEBUG,"add_channel: bans checked");
1434 user->RemoveInvite(Ptr->name);
1436 log(DEBUG,"add_channel: invites removed");
1442 log(DEBUG,"Passed channel checks");
1444 for (i =0; i != MAXCHANS; i++)
1446 if (user->chans[i].channel == NULL)
1448 log(DEBUG,"Adding into their channel list");
1452 /* first user in is given ops */
1453 user->chans[i].uc_modes = UCMODE_OP;
1457 user->chans[i].uc_modes = 0;
1459 user->chans[i].channel = Ptr;
1460 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1462 log(DEBUG,"Sent JOIN to client");
1466 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1467 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1470 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1471 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1472 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1473 FOREACH_MOD OnUserJoin(user,Ptr);
1477 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1478 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1482 /* remove a channel from a users record, and remove the record from memory
1483 * if the channel has become empty */
1485 chanrec* del_channel(userrec *user, char* cname, char* reason)
1487 if ((!user) || (!cname))
1489 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1497 if ((!cname) || (!user))
1502 Ptr = FindChan(cname);
1509 FOREACH_MOD OnUserPart(user,Ptr);
1510 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1512 for (i =0; i != MAXCHANS; i++)
1514 /* zap it from the channel list of the user */
1515 if (user->chans[i].channel == Ptr)
1519 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1523 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1525 user->chans[i].uc_modes = 0;
1526 user->chans[i].channel = NULL;
1527 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1532 /* if there are no users left on the channel */
1533 if (!usercount(Ptr))
1535 chan_hash::iterator iter = chanlist.find(Ptr->name);
1537 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1539 /* kill the record */
1540 if (iter != chanlist.end())
1542 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1543 delete iter->second;
1544 chanlist.erase(iter);
1550 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1552 if ((!src) || (!user) || (!Ptr) || (!reason))
1554 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1561 if ((!Ptr) || (!user) || (!src))
1566 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1568 if (!has_channel(user,Ptr))
1570 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1573 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
1575 if (cstatus(src,Ptr) == STATUS_HOP)
1577 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1581 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1587 for (i =0; i != MAXCHANS; i++)
1589 /* zap it from the channel list of the user */
1590 if (user->chans[i].channel == Ptr)
1592 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1593 user->chans[i].uc_modes = 0;
1594 user->chans[i].channel = NULL;
1595 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1600 /* if there are no users left on the channel */
1601 if (!usercount(Ptr))
1603 chan_hash::iterator iter = chanlist.find(Ptr->name);
1605 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1607 /* kill the record */
1608 if (iter != chanlist.end())
1610 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1611 delete iter->second;
1612 chanlist.erase(iter);
1618 /* returns 1 if user u has channel c in their record, 0 if not */
1620 int has_channel(userrec *u, chanrec *c)
1626 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
1629 for (i =0; i != MAXCHANS; i++)
1631 if (u->chans[i].channel == c)
1639 int give_ops(userrec *user,char *dest,chanrec *chan,int status)
1644 if ((!user) || (!dest) || (!chan))
1646 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
1649 if (status != STATUS_OP)
1651 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1658 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1664 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1669 for (i = 0; i != MAXCHANS; i++)
1671 if ((d->chans[i].channel == chan) && (chan != NULL))
1673 if (d->chans[i].uc_modes & UCMODE_OP)
1675 /* mode already set on user, dont allow multiple */
1678 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
1679 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
1687 int give_hops(userrec *user,char *dest,chanrec *chan,int status)
1692 if ((!user) || (!dest) || (!chan))
1694 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
1697 if (status != STATUS_OP)
1699 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1707 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1712 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1717 for (i = 0; i != MAXCHANS; i++)
1719 if ((d->chans[i].channel == chan) && (chan != NULL))
1721 if (d->chans[i].uc_modes & UCMODE_HOP)
1723 /* mode already set on user, dont allow multiple */
1726 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
1727 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
1735 int give_voice(userrec *user,char *dest,chanrec *chan,int status)
1740 if ((!user) || (!dest) || (!chan))
1742 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
1745 if (status < STATUS_HOP)
1747 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1755 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1760 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1765 for (i = 0; i != MAXCHANS; i++)
1767 if ((d->chans[i].channel == chan) && (chan != NULL))
1769 if (d->chans[i].uc_modes & UCMODE_VOICE)
1771 /* mode already set on user, dont allow multiple */
1774 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
1775 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
1783 int take_ops(userrec *user,char *dest,chanrec *chan,int status)
1788 if ((!user) || (!dest) || (!chan))
1790 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
1793 if (status != STATUS_OP)
1795 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1803 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1808 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1813 for (i = 0; i != MAXCHANS; i++)
1815 if ((d->chans[i].channel == chan) && (chan != NULL))
1817 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
1819 /* mode already set on user, dont allow multiple */
1822 d->chans[i].uc_modes ^= UCMODE_OP;
1823 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
1831 int take_hops(userrec *user,char *dest,chanrec *chan,int status)
1836 if ((!user) || (!dest) || (!chan))
1838 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
1841 if (status != STATUS_OP)
1843 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1851 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1856 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1861 for (i = 0; i != MAXCHANS; i++)
1863 if ((d->chans[i].channel == chan) && (chan != NULL))
1865 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
1867 /* mode already set on user, dont allow multiple */
1870 d->chans[i].uc_modes ^= UCMODE_HOP;
1871 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
1879 int take_voice(userrec *user,char *dest,chanrec *chan,int status)
1884 if ((!user) || (!dest) || (!chan))
1886 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
1889 if (status < STATUS_HOP)
1891 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1899 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1904 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1909 for (i = 0; i != MAXCHANS; i++)
1911 if ((d->chans[i].channel == chan) && (chan != NULL))
1913 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
1915 /* mode already set on user, dont allow multiple */
1918 d->chans[i].uc_modes ^= UCMODE_VOICE;
1919 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
1927 void TidyBan(char *ban)
1930 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
1934 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
1938 char* pos_of_pling = strchr(temp,'!');
1939 char* pos_of_at = strchr(temp,'@');
1941 pos_of_pling[0] = '\0';
1942 pos_of_at[0] = '\0';
1946 strncpy(NICK,temp,NICKMAX);
1947 strncpy(IDENT,pos_of_pling,IDENTMAX+1);
1948 strncpy(HOST,pos_of_at,160);
1950 sprintf(ban,"%s!%s@%s",NICK,IDENT,HOST);
1953 int add_ban(userrec *user,char *dest,chanrec *chan,int status)
1955 if ((!user) || (!dest) || (!chan)) {
1956 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
1961 if ((!user) || (!dest) || (!chan))
1963 if (strchr(dest,'!')==0)
1965 if (strchr(dest,'@')==0)
1967 for (int i = 0; i < strlen(dest); i++)
1970 for (int i = 0; i < strlen(dest); i++)
1974 for (int i = 0; i < strlen(dest); i++)
1980 for (int i = 0; i < strlen(dest); i++)
1985 log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
1988 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
1990 if (!strcasecmp(i->data,dest))
1992 // dont allow a user to set the same ban twice
1997 b.set_time = time(NULL);
1998 strncpy(b.data,dest,MAXBUF);
1999 strncpy(b.set_by,user->nick,NICKMAX);
2000 chan->bans.push_back(b);
2004 int take_ban(userrec *user,char *dest,chanrec *chan,int status)
2006 if ((!user) || (!dest) || (!chan)) {
2007 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
2011 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
2012 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2014 if (!strcasecmp(i->data,dest))
2016 chan->bans.erase(i);
2023 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode)
2025 if ((!parameters) || (!user)) {
2026 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
2031 char modelist[MAXBUF];
2032 char outlist[MAXBUF];
2033 char outstr[MAXBUF];
2034 char outpars[32][MAXBUF];
2040 bool k_set = false, l_set = false;
2047 log(DEBUG,"process_modes: start");
2049 strcpy(modelist,parameters[1]); /* mode list, e.g. +oo-o */
2050 /* parameters[2] onwards are parameters for
2051 * modes that require them :) */
2052 strcpy(outlist,"+");
2055 log(DEBUG,"process_modes: modelist: %s",modelist);
2057 for (ptr = 0; ptr < strlen(modelist); ptr++)
2062 log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
2063 char modechar = modelist[ptr];
2064 switch (modelist[ptr])
2069 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2071 outlist[strlen(outlist)-1] = '-';
2075 strcat(outlist,"-");
2085 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2087 outlist[strlen(outlist)-1] = '+';
2091 strcat(outlist,"+");
2098 if ((param >= pcnt)) break;
2101 r = give_ops(user,parameters[param++],chan,status);
2105 r = take_ops(user,parameters[param++],chan,status);
2109 strcat(outlist,"o");
2110 strcpy(outpars[pc++],parameters[param-1]);
2115 if ((param >= pcnt)) break;
2118 r = give_hops(user,parameters[param++],chan,status);
2122 r = take_hops(user,parameters[param++],chan,status);
2126 strcat(outlist,"h");
2127 strcpy(outpars[pc++],parameters[param-1]);
2133 if ((param >= pcnt)) break;
2136 r = give_voice(user,parameters[param++],chan,status);
2140 r = take_voice(user,parameters[param++],chan,status);
2144 strcat(outlist,"v");
2145 strcpy(outpars[pc++],parameters[param-1]);
2150 if ((param >= pcnt)) break;
2153 r = add_ban(user,parameters[param++],chan,status);
2157 r = take_ban(user,parameters[param++],chan,status);
2161 strcat(outlist,"b");
2162 strcpy(outpars[pc++],parameters[param-1]);
2168 if ((param >= pcnt))
2176 if (!strcmp(chan->key,""))
2178 strcat(outlist,"k");
2180 strcpy(key,parameters[param++]);
2181 if (strlen(key)>32) {
2184 strcpy(outpars[pc++],key);
2185 strcpy(chan->key,key);
2191 /* checks on -k are case sensitive and only accurate to the
2192 first 32 characters */
2194 strcpy(key,parameters[param++]);
2195 if (strlen(key)>32) {
2198 /* only allow -k if correct key given */
2199 if (!strcmp(chan->key,key))
2201 strcat(outlist,"k");
2202 strcpy(chan->key,"");
2203 strcpy(outpars[pc++],key);
2213 strcat(outlist,"l");
2218 if ((param >= pcnt)) break;
2224 bool invalid = false;
2225 for (int i = 0; i < strlen(parameters[param]); i++)
2227 if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
2232 if (atoi(parameters[param]) < 1)
2240 chan->limit = atoi(parameters[param]);
2243 strcat(outlist,"l");
2244 strcpy(outpars[pc++],parameters[param++]);
2251 if (chan->inviteonly != mdir)
2253 strcat(outlist,"i");
2255 chan->inviteonly = mdir;
2259 if (chan->topiclock != mdir)
2261 strcat(outlist,"t");
2263 chan->topiclock = mdir;
2267 if (chan->noexternal != mdir)
2269 strcat(outlist,"n");
2271 chan->noexternal = mdir;
2275 if (chan->moderated != mdir)
2277 strcat(outlist,"m");
2279 chan->moderated = mdir;
2283 if (chan->secret != mdir)
2285 strcat(outlist,"s");
2286 if (chan->c_private)
2288 chan->c_private = 0;
2291 strcat(outlist,"-p+");
2295 strcat(outlist,"+p-");
2299 chan->secret = mdir;
2303 if (chan->c_private != mdir)
2305 strcat(outlist,"p");
2311 strcat(outlist,"-s+");
2315 strcat(outlist,"+s-");
2319 chan->c_private = mdir;
2323 log(DEBUG,"Preprocessing custom mode %c",modechar);
2326 if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
2328 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
2331 if (ModeDefined(modechar,MT_CHANNEL))
2333 log(DEBUG,"A module has claimed this mode");
2336 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2338 p.push_back(parameters[param]);
2340 if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
2342 p.push_back(parameters[param]);
2345 bool handled = false;
2348 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
2349 // we're supposed to have a parameter, but none was given... so dont handle the mode.
2350 if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
2356 for (int i = 0; i <= MODCOUNT; i++)
2360 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
2362 log(DEBUG,"OnExtendedMode returned nonzero for a module");
2363 char app[] = {modechar, 0};
2366 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
2368 strcat(outlist, app);
2370 else if (!strchr(outlist,modechar))
2372 strcat(outlist, app);
2375 chan->SetCustomMode(modechar,mdir);
2376 // include parameters in output if mode has them
2377 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2379 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
2380 strcpy(outpars[pc++],parameters[param++]);
2382 // break, because only one module can handle the mode.
2394 /* this ensures only the *valid* modes are sent out onto the network */
2395 while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
2397 outlist[strlen(outlist)-1] = '\0';
2399 if (strcmp(outlist,""))
2401 strcpy(outstr,outlist);
2402 for (ptr = 0; ptr < pc; ptr++)
2405 strcat(outstr,outpars[ptr]);
2409 WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
2413 WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
2418 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
2420 bool allowed_umode(char umode, char* sourcemodes,bool adding)
2422 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
2423 // RFC1459 specified modes
2424 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
2426 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2430 // user may not +o themselves or others, but an oper may de-oper other opers or themselves
2431 if ((strchr(sourcemodes,'o')) && (!adding))
2433 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2436 else if (umode == 'o')
2438 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2442 // process any module-defined modes that need oper
2443 if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
2445 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
2449 if (ModeDefined(umode,MT_CLIENT))
2451 // process any module-defined modes that don't need oper
2452 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
2453 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
2455 // no, this mode needs oper, and this user 'aint got what it takes!
2461 // anything else - return false.
2462 log(DEBUG,"umode %c not known by any ruleset",umode);
2466 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
2470 if (ModeDefined(umode,MT_CLIENT))
2472 for (int i = 0; i <= MODCOUNT; i++)
2474 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
2476 log(DEBUG,"Module claims umode %c",umode);
2480 log(DEBUG,"No module claims umode %c",umode);
2485 log(DEBUG,"*** BUG *** Non-module umode passed to process_module_umode!");
2490 void handle_mode(char **parameters, int pcnt, userrec *user)
2496 char outpars[MAXBUF];
2498 dest = Find(parameters[0]);
2500 if ((dest) && (pcnt == 1))
2502 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
2506 if ((dest) && (pcnt > 1))
2508 char dmodes[MAXBUF];
2509 strncpy(dmodes,dest->modes,MAXBUF);
2510 log(DEBUG,"pulled up dest user modes: %s",dmodes);
2515 if (strchr(user->modes,'o'))
2526 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
2530 strcpy(outpars,"+");
2533 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2536 for (i = 0; i < strlen(parameters[1]); i++)
2538 if (parameters[1][i] == '+')
2542 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2544 outpars[strlen(outpars)-1] = '+';
2548 strcat(outpars,"+");
2554 if (parameters[1][i] == '-')
2558 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2560 outpars[strlen(outpars)-1] = '-';
2564 strcat(outpars,"-");
2572 if (strchr(user->modes,'o'))
2578 if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
2587 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2589 char umode = parameters[1][i];
2590 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2592 dmodes[strlen(dmodes)+1]='\0';
2593 dmodes[strlen(dmodes)] = parameters[1][i];
2594 outpars[strlen(outpars)+1]='\0';
2595 outpars[strlen(outpars)] = parameters[1][i];
2601 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2603 char umode = parameters[1][i];
2604 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2610 outpars[strlen(outpars)+1]='\0';
2611 outpars[strlen(outpars)] = parameters[1][i];
2614 for (q = 0; q < strlen(dmodes); q++)
2616 if (dmodes[q] != parameters[1][i])
2623 strcpy(dmodes,temp);
2630 if (strlen(outpars))
2636 while (i < strlen (outpars))
2638 b[z++] = outpars[i++];
2640 if (i<strlen(outpars)-1)
2642 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2644 // someones playing silly buggers and trying
2645 // to put a +- or -+ into the line...
2649 if (i == strlen(outpars)-1)
2651 if ((outpars[i] == '-') || (outpars[i] == '+'))
2659 if ((b[z] == '-') || (b[z] == '+'))
2662 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
2665 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
2667 if (strlen(dmodes)>MAXMODES)
2669 dmodes[MAXMODES-1] = '\0';
2671 log(DEBUG,"Stripped mode line");
2672 log(DEBUG,"Line dest is now %s",dmodes);
2673 strncpy(dest->modes,dmodes,MAXMODES);
2680 Ptr = FindChan(parameters[0]);
2685 /* just /modes #channel */
2686 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
2687 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
2693 if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
2696 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
2698 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
2700 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
2704 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
2706 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
2710 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false);
2714 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
2721 void server_mode(char **parameters, int pcnt, userrec *user)
2727 char outpars[MAXBUF];
2729 dest = Find(parameters[0]);
2731 // fix: ChroNiCk found this - we cant use this as debug if its null!
2734 log(DEBUG,"server_mode on %s",dest->nick);
2737 if ((dest) && (pcnt > 1))
2739 log(DEBUG,"params > 1");
2741 char dmodes[MAXBUF];
2742 strncpy(dmodes,dest->modes,MAXBUF);
2744 strcpy(outpars,"+");
2747 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2750 for (i = 0; i < strlen(parameters[1]); i++)
2752 if (parameters[1][i] == '+')
2756 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2758 outpars[strlen(outpars)-1] = '+';
2762 strcat(outpars,"+");
2768 if (parameters[1][i] == '-')
2772 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2774 outpars[strlen(outpars)-1] = '-';
2778 strcat(outpars,"-");
2785 log(DEBUG,"begin mode processing entry");
2791 log(DEBUG,"umode %c being added",parameters[1][i]);
2792 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2794 char umode = parameters[1][i];
2795 log(DEBUG,"umode %c is an allowed umode",umode);
2796 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2798 dmodes[strlen(dmodes)+1]='\0';
2799 dmodes[strlen(dmodes)] = parameters[1][i];
2800 outpars[strlen(outpars)+1]='\0';
2801 outpars[strlen(outpars)] = parameters[1][i];
2807 // can only remove a mode they already have
2808 log(DEBUG,"umode %c being removed",parameters[1][i]);
2809 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2811 char umode = parameters[1][i];
2812 log(DEBUG,"umode %c is an allowed umode",umode);
2813 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2819 outpars[strlen(outpars)+1]='\0';
2820 outpars[strlen(outpars)] = parameters[1][i];
2823 for (q = 0; q < strlen(dmodes); q++)
2825 if (dmodes[q] != parameters[1][i])
2832 strcpy(dmodes,temp);
2839 if (strlen(outpars))
2845 while (i < strlen (outpars))
2847 b[z++] = outpars[i++];
2849 if (i<strlen(outpars)-1)
2851 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2853 // someones playing silly buggers and trying
2854 // to put a +- or -+ into the line...
2858 if (i == strlen(outpars)-1)
2860 if ((outpars[i] == '-') || (outpars[i] == '+'))
2868 if ((b[z] == '-') || (b[z] == '+'))
2871 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
2874 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
2876 if (strlen(dmodes)>MAXMODES)
2878 dmodes[MAXMODES-1] = '\0';
2880 log(DEBUG,"Stripped mode line");
2881 log(DEBUG,"Line dest is now %s",dmodes);
2882 strncpy(dest->modes,dmodes,MAXMODES);
2889 Ptr = FindChan(parameters[0]);
2892 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true);
2896 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
2901 /* This function pokes and hacks at a parameter list like the following:
2903 * PART #winbot, #darkgalaxy :m00!
2905 * to turn it into a series of individual calls like this:
2907 * PART #winbot :m00!
2908 * PART #darkgalaxy :m00!
2910 * The seperate calls are sent to a callback function provided by the caller
2911 * (the caller will usually call itself recursively). The callback function
2912 * must be a command handler. Calling this function on a line with no list causes
2913 * no action to be taken. You must provide a starting and ending parameter number
2914 * where the range of the list can be found, useful if you have a terminating
2915 * parameter as above which is actually not part of the list, or parameters
2916 * before the actual list as well. This code is used by many functions which
2917 * can function as "one to list" (see the RFC) */
2919 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
2924 char blog[32][MAXBUF];
2925 char blog2[32][MAXBUF];
2926 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
2927 char keystr[MAXBUF];
2930 for (i = 0; i <32; i++)
2933 for (i = 0; i <32; i++)
2934 strcpy(blog2[i],"");
2937 for (i = 0; i <10; i++)
2941 parameters[i] = moo;
2946 if (pcnt > 1) /* we have a key to copy */
2948 strcpy(keystr,parameters[1]);
2952 if (!parameters[start])
2956 if (!strchr(parameters[start],','))
2961 for (i = start; i <= end; i++)
2965 strcat(plist,parameters[i]);
2973 for (i = 0; i < t; i++)
2975 if (plist[i] == ',')
2978 strcpy(blog[j++],param);
2982 strcpy(blog[j++],param);
2985 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
2990 if ((joins) && (keystr))
2992 if (strchr(keystr,','))
2996 t2 = strlen(keystr);
2997 for (i = 0; i < t2; i++)
2999 if (keystr[i] == ',')
3002 strcpy(blog2[j++],param);
3006 strcpy(blog2[j++],param);
3011 for (j = 0; j < total; j++)
3017 for (q = end; q < pcnt-1; q++)
3019 if (parameters[q+1])
3021 pars[q-end+1] = parameters[q+1];
3024 if ((joins) && (parameters[1]))
3035 /* repeatedly call the function with the hacked parameter list */
3036 if ((joins) && (pcnt > 1))
3040 // pars[1] already set up and containing key from blog2[j]
3045 pars[1] = parameters[1];
3051 fn(pars,pcnt-(end-start),u);
3059 void handle_join(char **parameters, int pcnt, userrec *user)
3064 if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
3066 if (parameters[0][0] == '#')
3068 Ptr = add_channel(user,parameters[0],parameters[1]);
3073 void handle_part(char **parameters, int pcnt, userrec *user)
3079 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
3081 del_channel(user,parameters[0],parameters[1]);
3085 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
3087 del_channel(user,parameters[0],NULL);
3091 void handle_kick(char **parameters, int pcnt, userrec *user)
3093 chanrec* Ptr = FindChan(parameters[0]);
3094 userrec* u = Find(parameters[1]);
3098 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3102 if (!has_channel(u,Ptr))
3104 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
3110 char reason[MAXBUF];
3111 strncpy(reason,parameters[2],MAXBUF);
3112 if (strlen(reason)>MAXKICK)
3114 reason[MAXKICK-1] = '\0';
3117 kick_channel(user,u,Ptr,reason);
3121 kick_channel(user,u,Ptr,user->nick);
3126 void handle_die(char **parameters, int pcnt, userrec *user)
3128 log(DEBUG,"die: %s",user->nick);
3129 if (!strcmp(parameters[0],diepass))
3131 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
3137 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
3141 void handle_restart(char **parameters, int pcnt, userrec *user)
3143 log(DEBUG,"restart: %s",user->nick);
3144 if (!strcmp(parameters[0],restartpass))
3146 WriteOpers("*** RESTART command from %s!%s@%s, Pretending to restart till this is finished :D",user->nick,user->ident,user->host);
3149 /* Will finish this later when i can be arsed :) */
3153 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
3158 void kill_link(userrec *user,char* reason)
3160 user_hash::iterator iter = clientlist.find(user->nick);
3162 if (strlen(reason)>MAXQUIT)
3164 reason[MAXQUIT-1] = '\0';
3167 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
3168 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
3169 log(DEBUG,"closing fd %d",user->fd);
3171 /* bugfix, cant close() a nonblocking socket (sux!) */
3172 if (user->registered == 7) {
3173 FOREACH_MOD OnUserQuit(user);
3174 WriteCommonExcept(user,"QUIT :%s",reason);
3177 /* push the socket on a stack of sockets due to be closed at the next opportunity */
3178 fd_reap.push_back(user->fd);
3180 bool do_purge = false;
3182 if (user->registered == 7) {
3183 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
3187 if (iter != clientlist.end())
3189 log(DEBUG,"deleting user hash value %d",iter->second);
3190 if ((iter->second) && (user->registered == 7)) {
3191 delete iter->second;
3193 clientlist.erase(iter);
3196 if (user->registered == 7) {
3197 purge_empty_chans();
3202 void handle_kill(char **parameters, int pcnt, userrec *user)
3204 userrec *u = Find(parameters[0]);
3205 char killreason[MAXBUF];
3207 log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
3210 WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
3211 // :Brain!brain@NetAdmin.chatspike.net KILL [Brain] :homer!NetAdmin.chatspike.net!Brain (test kill)
3212 WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
3213 sprintf(killreason,"Killed (%s (%s))",user->nick,parameters[1]);
3214 kill_link(u,killreason);
3218 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3222 void handle_summon(char **parameters, int pcnt, userrec *user)
3224 WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
3227 void handle_users(char **parameters, int pcnt, userrec *user)
3229 WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
3233 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
3235 char* Passwd(userrec *user)
3237 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3239 if (match(user->host,i->host) && (i->type == CC_ALLOW))
3247 bool IsDenied(userrec *user)
3249 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3251 if (match(user->host,i->host) && (i->type == CC_DENY))
3261 void handle_pass(char **parameters, int pcnt, userrec *user)
3263 // Check to make sure they havnt registered -- Fix by FCS
3264 if (user->registered == 7)
3266 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
3269 if (!strcasecmp(parameters[0],Passwd(user)))
3271 user->haspassed = true;
3275 void handle_invite(char **parameters, int pcnt, userrec *user)
3277 userrec* u = Find(parameters[0]);
3278 chanrec* c = FindChan(parameters[1]);
3284 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[1]);
3290 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
3299 if (cstatus(user,c) < STATUS_HOP)
3301 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
3305 u->InviteTo(c->name);
3306 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
3307 WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
3310 void handle_topic(char **parameters, int pcnt, userrec *user)
3316 if (strlen(parameters[0]) <= CHANMAX)
3318 Ptr = FindChan(parameters[0]);
3323 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
3324 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
3328 WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
3333 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3340 if (strlen(parameters[0]) <= CHANMAX)
3342 Ptr = FindChan(parameters[0]);
3345 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
3347 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
3352 strncpy(topic,parameters[1],MAXBUF);
3353 if (strlen(topic)>MAXTOPIC)
3355 topic[MAXTOPIC-1] = '\0';
3358 strcpy(Ptr->topic,topic);
3359 strcpy(Ptr->setby,user->nick);
3360 Ptr->topicset = time(NULL);
3361 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
3365 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3371 /* sends out an error notice to all connected clients (not to be used
3374 void send_error(char *s)
3376 log(DEBUG,"send_error: %s",s);
3377 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3379 if (isnick(i->second->nick))
3381 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
3385 // fix - unregistered connections receive ERROR, not NOTICE
3386 Write(i->second->fd,"ERROR :%s",s);
3391 void Error(int status)
3393 signal (SIGALRM, SIG_IGN);
3394 signal (SIGPIPE, SIG_IGN);
3395 signal (SIGTERM, SIG_IGN);
3396 signal (SIGABRT, SIG_IGN);
3397 signal (SIGSEGV, SIG_IGN);
3398 signal (SIGURG, SIG_IGN);
3399 signal (SIGKILL, SIG_IGN);
3400 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
3401 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
3405 int main (int argc, char *argv[])
3408 log(DEBUG,"*** InspIRCd starting up!");
3409 if (!FileExists(CONFIG_FILE))
3411 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
3412 log(DEBUG,"main: no config");
3413 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
3417 if (!strcmp(argv[1],"-nofork")) {
3421 if (InspIRCd() == ERROR)
3423 log(DEBUG,"main: daemon function bailed");
3424 printf("ERROR: could not initialise. Shutting down.\n");
3431 template<typename T> inline string ConvToStr(const T &in)
3434 if (!(tmp << in)) return string();
3438 /* re-allocates a nick in the user_hash after they change nicknames,
3439 * returns a pointer to the new user as it may have moved */
3441 userrec* ReHashNick(char* Old, char* New)
3443 user_hash::iterator newnick;
3444 user_hash::iterator oldnick = clientlist.find(Old);
3446 log(DEBUG,"ReHashNick: %s %s",Old,New);
3448 if (!strcasecmp(Old,New))
3450 log(DEBUG,"old nick is new nick, skipping");
3451 return oldnick->second;
3454 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
3456 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
3458 clientlist[New] = new userrec();
3459 clientlist[New] = oldnick->second;
3460 /*delete oldnick->second; */
3461 clientlist.erase(oldnick);
3463 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
3465 return clientlist[New];
3468 /* adds or updates an entry in the whowas list */
3469 void AddWhoWas(userrec* u)
3471 user_hash::iterator iter = whowas.find(u->nick);
3472 userrec *a = new userrec();
3473 strcpy(a->nick,u->nick);
3474 strcpy(a->ident,u->ident);
3475 strcpy(a->dhost,u->dhost);
3476 strcpy(a->host,u->host);
3477 strcpy(a->fullname,u->fullname);
3478 strcpy(a->server,u->server);
3479 a->signon = u->signon;
3481 /* MAX_WHOWAS: max number of /WHOWAS items
3482 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
3483 * can be replaced by a newer one
3486 if (iter == whowas.end())
3488 if (whowas.size() == WHOWAS_MAX)
3490 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
3492 // 3600 seconds in an hour ;)
3493 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
3497 log(DEBUG,"added WHOWAS entry, purged an old record");
3504 log(DEBUG,"added fresh WHOWAS entry");
3505 whowas[a->nick] = a;
3510 log(DEBUG,"updated WHOWAS entry");
3511 delete iter->second;
3517 /* add a client connection to the sockets list */
3518 void AddClient(int socket, char* host, int port, bool iscached)
3522 char resolved[MAXBUF];
3525 user_hash::iterator iter;
3527 tempnick = ConvToStr(socket) + "-unknown";
3528 sprintf(tn2,"%d-unknown",socket);
3530 iter = clientlist.find(tempnick);
3532 if (iter != clientlist.end()) return;
3535 * It is OK to access the value here this way since we know
3536 * it exists, we just created it above.
3538 * At NO other time should you access a value in a map or a
3539 * hash_map this way.
3541 clientlist[tempnick] = new userrec();
3543 NonBlocking(socket);
3544 log(DEBUG,"AddClient: %d %s %d",socket,host,port);
3546 clientlist[tempnick]->fd = socket;
3547 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
3548 strncpy(clientlist[tempnick]->host, host,160);
3549 strncpy(clientlist[tempnick]->dhost, host,160);
3550 strncpy(clientlist[tempnick]->server, ServerName,256);
3551 strncpy(clientlist[tempnick]->ident, "unknown",9);
3552 clientlist[tempnick]->registered = 0;
3553 clientlist[tempnick]->signon = time(NULL);
3554 clientlist[tempnick]->nping = time(NULL)+240;
3555 clientlist[tempnick]->lastping = 1;
3556 clientlist[tempnick]->port = port;
3560 WriteServ(socket,"NOTICE Auth :Found your hostname (cached)...");
3564 WriteServ(socket,"NOTICE Auth :Looking up your hostname...");
3567 // set the registration timeout for this user
3568 unsigned long class_regtimeout = 90;
3569 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3571 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
3573 class_regtimeout = (unsigned long)i->registration_timeout;
3577 log(DEBUG,"Client has a connection timeout value of %d",class_regtimeout);
3578 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
3580 if (clientlist.size() == MAXCLIENTS)
3581 kill_link(clientlist[tempnick],"No more connections allowed in this class");
3584 void handle_names(char **parameters, int pcnt, userrec *user)
3588 if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
3590 c = FindChan(parameters[0]);
3593 /*WriteServ(user->fd,"353 %s = %s :%s", user->nick, c->name,*/
3595 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
3599 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3604 void handle_privmsg(char **parameters, int pcnt, userrec *user)
3609 user->idle_lastmsg = time(NULL);
3611 if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
3613 if (parameters[0][0] == '#')
3615 chan = FindChan(parameters[0]);
3618 if ((chan->noexternal) && (!has_channel(user,chan)))
3620 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
3623 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
3625 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
3628 ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
3632 /* no such nick/channel */
3633 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3638 dest = Find(parameters[0]);
3641 if (strcmp(dest->awaymsg,""))
3643 /* auto respond with aweh msg */
3644 WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
3646 WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
3650 /* no such nick/channel */
3651 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3655 void handle_notice(char **parameters, int pcnt, userrec *user)
3660 user->idle_lastmsg = time(NULL);
3662 if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
3664 if (parameters[0][0] == '#')
3666 chan = FindChan(parameters[0]);
3669 if ((chan->noexternal) && (!has_channel(user,chan)))
3671 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
3674 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
3676 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
3679 WriteChannel(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
3683 /* no such nick/channel */
3684 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3689 dest = Find(parameters[0]);
3692 WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
3696 /* no such nick/channel */
3697 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3703 char* chlist(userrec *user)
3708 log(DEBUG,"chlist: %s",user->nick);
3714 for (i = 0; i != MAXCHANS; i++)
3716 if (user->chans[i].channel != NULL)
3718 if (user->chans[i].channel->name)
3720 strcpy(cmp,user->chans[i].channel->name);
3722 if (!strstr(lst,cmp))
3724 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
3726 strcat(lst,cmode(user,user->chans[i].channel));
3727 strcat(lst,user->chans[i].channel->name);
3737 void handle_info(char **parameters, int pcnt, userrec *user)
3739 WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
3740 WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
3741 WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
3742 FOREACH_MOD OnInfo(user);
3743 WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
3746 void handle_time(char **parameters, int pcnt, userrec *user)
3749 struct tm * timeinfo;
3752 timeinfo = localtime ( &rawtime );
3753 WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
3757 void handle_whois(char **parameters, int pcnt, userrec *user)
3762 if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
3764 dest = Find(parameters[0]);
3767 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
3768 if (dest->registered == 7)
3770 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
3771 if ((user == dest) || (strchr(user->modes,'o')))
3773 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
3775 if (strcmp(chlist(dest),""))
3777 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
3779 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, ServerDesc);
3780 if (strcmp(dest->awaymsg,""))
3782 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
3784 if (strchr(dest->modes,'o'))
3786 WriteServ(user->fd,"313 %s %s :is an IRC operator",user->nick, dest->nick);
3788 FOREACH_MOD OnWhois(user,dest);
3789 //WriteServ(user->fd,"310 %s %s :is available for help.",user->nick, dest->nick);
3790 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-time(NULL)), dest->signon);
3792 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
3796 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3801 /* no such nick/channel */
3802 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3806 void handle_quit(char **parameters, int pcnt, userrec *user)
3808 user_hash::iterator iter = clientlist.find(user->nick);
3811 if (user->registered == 7)
3813 /* theres more to do here, but for now just close the socket */
3816 if (parameters[0][0] == ':')
3820 reason = parameters[0];
3822 if (strlen(reason)>MAXQUIT)
3824 reason[MAXQUIT-1] = '\0';
3827 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
3828 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
3829 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
3833 Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
3834 WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
3835 WriteCommonExcept(user,"QUIT :Client exited");
3837 FOREACH_MOD OnUserQuit(user);
3841 /* push the socket on a stack of sockets due to be closed at the next opportunity */
3842 fd_reap.push_back(user->fd);
3844 if (iter != clientlist.end())
3846 log(DEBUG,"deleting user hash value %d",iter->second);
3847 if ((iter->second) && (user->registered == 7)) {
3848 delete iter->second;
3850 clientlist.erase(iter);
3853 if (user->registered == 7) {
3854 purge_empty_chans();
3858 void handle_who(char **parameters, int pcnt, userrec *user)
3860 chanrec* Ptr = NULL;
3862 /* theres more to do here, but for now just close the socket */
3865 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
3867 if (user->chans[0].channel)
3869 Ptr = user->chans[0].channel;
3870 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3872 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
3874 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);
3880 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
3884 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, user->nick);
3888 if (parameters[0][0] = '#')
3890 Ptr = FindChan(parameters[0]);
3893 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3895 if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
3897 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);
3900 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
3904 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3910 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
3912 Ptr = user->chans[0].channel;
3913 printf(user->chans[0].channel->name);
3914 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3916 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
3918 if (strchr(i->second->modes,'o'))
3920 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);
3924 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
3930 void handle_wallops(char **parameters, int pcnt, userrec *user)
3932 WriteWallOps(user,"%s",parameters[0]);
3935 void handle_list(char **parameters, int pcnt, userrec *user)
3939 WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
3940 for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
3942 if ((!i->second->c_private) && (!i->second->secret))
3944 WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
3947 WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
3951 void handle_rehash(char **parameters, int pcnt, userrec *user)
3953 WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CONFIG_FILE);
3955 FOREACH_MOD OnRehash();
3956 WriteOpers("%s is rehashing config file %s",user->nick,CONFIG_FILE);
3962 return clientlist.size();
3965 int usercount_invisible(void)
3969 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3971 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
3976 int usercount_opers(void)
3980 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3982 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
3987 int usercount_unknown(void)
3991 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3993 if ((i->second->fd) && (i->second->registered != 7))
4001 return chanlist.size();
4004 int servercount(void)
4009 void handle_lusers(char **parameters, int pcnt, userrec *user)
4011 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
4012 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
4013 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
4014 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
4015 WriteServ(user->fd,"254 %s :I have %d clients and 0 servers",user->nick,usercnt());
4018 void handle_admin(char **parameters, int pcnt, userrec *user)
4020 WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
4021 WriteServ(user->fd,"257 %s :Name - %s",user->nick,AdminName);
4022 WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
4023 WriteServ(user->fd,"258 %s :E-Mail - %s",user->nick,AdminEmail);
4026 void ShowMOTD(userrec *user)
4030 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
4033 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
4034 for (int i = 0; i != MOTD.size(); i++)
4036 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
4038 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
4041 void ShowRULES(userrec *user)
4045 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
4048 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
4049 for (int i = 0; i != RULES.size(); i++)
4051 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
4053 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
4056 /* shows the message of the day, and any other on-logon stuff */
4057 void ConnectUser(userrec *user)
4059 user->registered = 7;
4060 user->idle_lastmsg = time(NULL);
4061 log(DEBUG,"ConnectUser: %s",user->nick);
4063 if (strcmp(Passwd(user),"") && (!user->haspassed))
4065 kill_link(user,"Invalid password");
4070 kill_link(user,"Unauthorised connection");
4074 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
4075 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
4076 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
4077 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
4078 WriteServ(user->fd,"004 %s :%s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
4079 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);
4080 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);
4082 FOREACH_MOD OnUserConnect(user);
4083 WriteOpers("*** Client connecting on port %d: %s!%s@%s",user->port,user->nick,user->ident,user->host);
4086 void handle_version(char **parameters, int pcnt, userrec *user)
4088 WriteServ(user->fd,"351 %s :%s %s %s :%s",user->nick,VERSION,"$Id$",ServerName,SYSTEM);
4091 void handle_ping(char **parameters, int pcnt, userrec *user)
4093 WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
4096 void handle_pong(char **parameters, int pcnt, userrec *user)
4098 // set the user as alive so they survive to next ping
4102 void handle_motd(char **parameters, int pcnt, userrec *user)
4107 void handle_rules(char **parameters, int pcnt, userrec *user)
4112 void handle_user(char **parameters, int pcnt, userrec *user)
4114 if (user->registered < 3)
4116 if (isident(parameters[0]) == 0) {
4117 // This kinda Sucks, According to the RFC thou, its either this,
4118 // or "You have already registered" :p -- Craig
4119 WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
4122 WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
4123 strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
4124 strncat(user->ident,parameters[0],IDENTMAX);
4125 strncpy(user->fullname,parameters[3],128);
4126 user->registered = (user->registered | 1);
4131 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
4134 /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
4135 if (user->registered == 3)
4137 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
4142 void handle_userhost(char **parameters, int pcnt, userrec *user)
4144 char Return[MAXBUF],junk[MAXBUF];
4145 sprintf(Return,"302 %s :",user->nick);
4146 for (int i = 0; i < pcnt; i++)
4148 userrec *u = Find(parameters[i]);
4151 if (strchr(u->modes,'o'))
4153 sprintf(junk,"%s*=+%s@%s ",u->nick,u->ident,u->host);
4154 strcat(Return,junk);
4158 sprintf(junk,"%s=+%s@%s ",u->nick,u->ident,u->host);
4159 strcat(Return,junk);
4163 WriteServ(user->fd,Return);
4167 void handle_ison(char **parameters, int pcnt, userrec *user)
4169 char Return[MAXBUF];
4170 sprintf(Return,"303 %s :",user->nick);
4171 for (int i = 0; i < pcnt; i++)
4173 userrec *u = Find(parameters[i]);
4176 strcat(Return,u->nick);
4180 WriteServ(user->fd,Return);
4184 void handle_away(char **parameters, int pcnt, userrec *user)
4188 strcpy(user->awaymsg,parameters[0]);
4189 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
4193 strcpy(user->awaymsg,"");
4194 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
4198 void handle_whowas(char **parameters, int pcnt, userrec* user)
4200 user_hash::iterator i = whowas.find(parameters[0]);
4202 if (i == whowas.end())
4204 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
4205 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
4209 time_t rawtime = i->second->signon;
4213 timeinfo = localtime(&rawtime);
4214 strcpy(b,asctime(timeinfo));
4215 b[strlen(b)-1] = '\0';
4217 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
4218 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
4219 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
4224 void handle_trace(char **parameters, int pcnt, userrec *user)
4226 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
4230 if (isnick(i->second->nick))
4232 if (strchr(i->second->modes,'o'))
4234 WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
4238 WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
4243 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
4249 void handle_modules(char **parameters, int pcnt, userrec *user)
4251 for (int i = 0; i < module_names.size(); i++)
4253 Version V = modules[i]->GetVersion();
4254 WriteServ(user->fd,"900 0x%08lx %d.%d.%d.%d :%s",modules[i],V.Major,V.Minor,V.Revision,V.Build,module_names[i].c_str());
4258 void handle_stats(char **parameters, int pcnt, userrec *user)
4264 if (strlen(parameters[0])>1)
4266 /* make the stats query 1 character long */
4267 parameters[0][1] = '\0';
4270 /* stats m (list number of times each command has been used, plus bytecount) */
4271 if (!strcasecmp(parameters[0],"m"))
4273 for (int i = 0; i < cmdlist.size(); i++)
4275 if (cmdlist[i].handler_function)
4277 if (cmdlist[i].use_count)
4279 /* RPL_STATSCOMMANDS */
4280 WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
4287 /* stats z (debug and memory info) */
4288 if (!strcasecmp(parameters[0],"z"))
4290 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
4291 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
4292 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
4293 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
4294 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
4295 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
4296 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
4297 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
4301 if (!strcasecmp(parameters[0],"o"))
4303 for (int i = 0; i < ConfValueEnum("oper"); i++)
4305 char LoginName[MAXBUF];
4306 char HostName[MAXBUF];
4307 char OperType[MAXBUF];
4308 ConfValue("oper","name",i,LoginName);
4309 ConfValue("oper","host",i,HostName);
4310 ConfValue("oper","type",i,OperType);
4311 WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
4315 /* stats l (show user I/O stats) */
4316 if (!strcasecmp(parameters[0],"l"))
4318 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
4319 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
4321 if (isnick(i->second->nick))
4323 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);
4327 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);
4333 /* stats u (show server uptime) */
4334 if (!strcasecmp(parameters[0],"u"))
4336 time_t current_time = 0;
4337 current_time = time(NULL);
4338 time_t server_uptime = current_time - startup_time;
4340 stime = gmtime(&server_uptime);
4341 /* i dont know who the hell would have an ircd running for over a year nonstop, but
4342 * Craig suggested this, and it seemed a good idea so in it went */
4343 if (stime->tm_year > 70)
4345 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);
4349 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);
4353 WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
4354 WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
4358 void handle_connect(char **parameters, int pcnt, userrec *user)
4360 char Link_ServerName[1024];
4361 char Link_IPAddr[1024];
4362 char Link_Port[1024];
4363 char Link_Pass[1024];
4367 for (int i = 0; i < ConfValueEnum("link"); i++)
4369 ConfValue("link","name",i,Link_ServerName);
4370 ConfValue("link","ipaddr",i,Link_IPAddr);
4371 ConfValue("link","port",i,Link_Port);
4372 ConfValue("link","sendpass",i,Link_Pass);
4373 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
4374 LinkPort = atoi(Link_Port);
4375 if (match(Link_ServerName,parameters[0])) {
4381 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
4385 // TODO: Perform a check here to stop a server being linked twice!
4387 WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
4389 if (me[defaultRoute])
4392 // at this point parameters[0] is an ip in a string.
4393 // TODO: Look this up from the <link> blocks instead!
4394 for (int j = 0; j < 255; j++) {
4395 if (servers[j] == NULL) {
4396 servers[j] = new serverrec;
4397 strcpy(servers[j]->internal_addr,Link_IPAddr);
4398 strcpy(servers[j]->name,Link_ServerName);
4399 log(DEBUG,"Allocated new serverrec");
4400 if (!me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass))
4402 WriteServ(user->fd,"NOTICE %s :*** Failed to send auth packet to %s!",user->nick,Link_IPAddr);
4407 WriteServ(user->fd,"NOTICE %s :*** Failed to create server record for address %s!",user->nick,Link_IPAddr);
4411 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);
4415 void handle_squit(char **parameters, int pcnt, userrec *user)
4417 // send out an squit across the mesh and then clear the server list (for local squit)
4420 void handle_oper(char **parameters, int pcnt, userrec *user)
4422 char LoginName[MAXBUF];
4423 char Password[MAXBUF];
4424 char OperType[MAXBUF];
4425 char TypeName[MAXBUF];
4426 char Hostname[MAXBUF];
4429 for (i = 0; i < ConfValueEnum("oper"); i++)
4431 ConfValue("oper","name",i,LoginName);
4432 ConfValue("oper","password",i,Password);
4433 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])))
4435 /* correct oper credentials */
4436 ConfValue("oper","type",i,OperType);
4437 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
4438 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
4439 WriteServ(user->fd,"MODE %s :+o",user->nick);
4440 for (j =0; j < ConfValueEnum("type"); j++)
4442 ConfValue("type","name",j,TypeName);
4443 if (!strcmp(TypeName,OperType))
4445 /* found this oper's opertype */
4446 ConfValue("type","host",j,Hostname);
4447 strncpy(user->dhost,Hostname,256);
4450 if (!strchr(user->modes,'o'))
4452 strcat(user->modes,"o");
4454 FOREACH_MOD OnOper(user);
4459 WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
4460 WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
4463 void handle_nick(char **parameters, int pcnt, userrec *user)
4467 log(DEBUG,"not enough params for handle_nick");
4472 log(DEBUG,"invalid parameter passed to handle_nick");
4475 if (!strlen(parameters[0]))
4477 log(DEBUG,"zero length new nick passed to handle_nick");
4482 log(DEBUG,"invalid user passed to handle_nick");
4487 log(DEBUG,"invalid old nick passed to handle_nick");
4490 if (!strcasecmp(user->nick,parameters[0]))
4492 log(DEBUG,"old nick is new nick, skipping");
4497 if (strlen(parameters[0]) > 1)
4499 if (parameters[0][0] == ':')
4504 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
4506 WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
4510 if (isnick(parameters[0]) == 0)
4512 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
4516 if (user->registered == 7)
4518 WriteCommon(user,"NICK %s",parameters[0]);
4521 /* change the nick of the user in the users_hash */
4522 user = ReHashNick(user->nick, parameters[0]);
4523 /* actually change the nick within the record */
4525 if (!user->nick) return;
4527 strncpy(user->nick, parameters[0],NICKMAX);
4529 log(DEBUG,"new nick set: %s",user->nick);
4531 if (user->registered < 3)
4532 user->registered = (user->registered | 2);
4533 if (user->registered == 3)
4535 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
4538 log(DEBUG,"exit nickchange: %s",user->nick);
4541 int process_parameters(char **command_p,char *parameters)
4546 q = strlen(parameters);
4549 /* no parameters, command_p invalid! */
4552 if (parameters[0] == ':')
4554 command_p[0] = parameters+1;
4559 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
4561 /* only one parameter */
4562 command_p[0] = parameters;
4563 if (parameters[0] == ':')
4565 if (strchr(parameters,' ') != NULL)
4573 command_p[j++] = parameters;
4574 for (i = 0; i <= q; i++)
4576 if (parameters[i] == ' ')
4578 command_p[j++] = parameters+i+1;
4579 parameters[i] = '\0';
4580 if (command_p[j-1][0] == ':')
4582 *command_p[j-1]++; /* remove dodgy ":" */
4584 /* parameter like this marks end of the sequence */
4588 return j; /* returns total number of items in the list */
4591 void process_command(userrec *user, char* cmd)
4595 char *command_p[127];
4596 char p[MAXBUF], temp[MAXBUF];
4597 int i, j, items, cmd_found;
4599 for (int i = 0; i < 127; i++)
4600 command_p[i] = NULL;
4610 if (!strcmp(cmd,""))
4617 FOREACH_MOD OnServerRaw(tmp,true);
4618 const char* cmd2 = tmp.c_str();
4619 snprintf(cmd,512,"%s",cmd2);
4621 if (!strchr(cmd,' '))
4623 /* no parameters, lets skip the formalities and not chop up
4626 command_p[0] = NULL;
4628 for (int i = 0; i <= strlen(cmd); i++)
4630 cmd[i] = toupper(cmd[i]);
4637 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
4638 for (i = 0; i < strlen(temp); i++)
4640 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
4646 /* split the full string into a command plus parameters */
4650 if (strchr(cmd,' '))
4652 for (i = 0; i <= strlen(cmd); i++)
4654 /* capitalise the command ONLY, leave params intact */
4655 cmd[i] = toupper(cmd[i]);
4656 /* are we nearly there yet?! :P */
4660 parameters = cmd+i+1;
4668 for (i = 0; i <= strlen(cmd); i++)
4670 cmd[i] = toupper(cmd[i]);
4678 log(DEBUG,"Second processing point");
4680 if (strlen(command)>MAXCOMMAND)
4682 command[MAXCOMMAND-1] = '\0';
4683 WriteOpers("Possible command-flood from %s, sending excessively long commands.",user->nick);
4686 for (i = 0; i != cmdlist.size(); i++)
4688 if (strcmp(cmdlist[i].command,""))
4690 if (!strcmp(command, cmdlist[i].command))
4692 log(DEBUG,"Found matching command");
4696 if (strcmp(parameters,""))
4698 items = process_parameters(command_p,parameters);
4703 command_p[0] = NULL;
4709 command_p[0] = NULL;
4714 log(DEBUG,"Processing command");
4716 /* activity resets the ping pending timer */
4717 user->nping = time(NULL) + 120;
4718 if ((items) < cmdlist[i].min_params)
4720 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
4721 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
4724 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
4726 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
4727 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
4731 /* if the command isnt USER, PASS, or NICK, and nick is empty,
4733 if ((strcmp(command,"USER")) && (strcmp(command,"NICK")) && (strcmp(command,"PASS")))
4735 if ((!isnick(user->nick)) || (user->registered != 7))
4737 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
4738 WriteServ(user->fd,"451 %s :You have not registered",command);
4742 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
4744 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
4745 if (cmdlist[i].handler_function)
4747 /* ikky /stats counters */
4752 user->bytes_in += strlen(temp);
4755 cmdlist[i].use_count++;
4756 cmdlist[i].total_bytes+=strlen(temp);
4759 /* WARNING: nothing may come after the
4760 * command handler call, as the handler
4761 * may free the user structure! */
4763 cmdlist[i].handler_function(command_p,items,user);
4769 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
4770 WriteServ(user->fd,"451 %s :You have not registered",command);
4778 if ((!cmd_found) && (user))
4780 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
4781 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
4786 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
4789 /* create the command and push it onto the table */
4790 strcpy(comm.command,cmd);
4791 comm.handler_function = f;
4792 comm.flags_needed = flags;
4793 comm.min_params = minparams;
4795 comm.total_bytes = 0;
4796 cmdlist.push_back(comm);
4797 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
4800 void SetupCommandTable(void)
4802 createcommand("USER",handle_user,0,4);
4803 createcommand("NICK",handle_nick,0,1);
4804 createcommand("QUIT",handle_quit,0,0);
4805 createcommand("VERSION",handle_version,0,0);
4806 createcommand("PING",handle_ping,0,1);
4807 createcommand("PONG",handle_pong,0,1);
4808 createcommand("ADMIN",handle_admin,0,0);
4809 createcommand("PRIVMSG",handle_privmsg,0,2);
4810 createcommand("INFO",handle_info,0,0);
4811 createcommand("TIME",handle_time,0,0);
4812 createcommand("WHOIS",handle_whois,0,1);
4813 createcommand("WALLOPS",handle_wallops,'o',1);
4814 createcommand("NOTICE",handle_notice,0,2);
4815 createcommand("JOIN",handle_join,0,1);
4816 createcommand("NAMES",handle_names,0,1);
4817 createcommand("PART",handle_part,0,1);
4818 createcommand("KICK",handle_kick,0,2);
4819 createcommand("MODE",handle_mode,0,1);
4820 createcommand("TOPIC",handle_topic,0,1);
4821 createcommand("WHO",handle_who,0,1);
4822 createcommand("MOTD",handle_motd,0,0);
4823 createcommand("RULES",handle_join,0,0);
4824 createcommand("OPER",handle_oper,0,2);
4825 createcommand("LIST",handle_list,0,0);
4826 createcommand("DIE",handle_die,'o',1);
4827 createcommand("RESTART",handle_restart,'o',1);
4828 createcommand("KILL",handle_kill,'o',2);
4829 createcommand("REHASH",handle_rehash,'o',0);
4830 createcommand("LUSERS",handle_lusers,0,0);
4831 createcommand("STATS",handle_stats,0,1);
4832 createcommand("USERHOST",handle_userhost,0,1);
4833 createcommand("AWAY",handle_away,0,0);
4834 createcommand("ISON",handle_ison,0,0);
4835 createcommand("SUMMON",handle_summon,0,0);
4836 createcommand("USERS",handle_users,0,0);
4837 createcommand("INVITE",handle_invite,0,2);
4838 createcommand("PASS",handle_pass,0,1);
4839 createcommand("TRACE",handle_trace,'o',0);
4840 createcommand("WHOWAS",handle_whowas,0,1);
4841 createcommand("CONNECT",handle_connect,'o',1);
4842 createcommand("SQUIT",handle_squit,'o',1);
4843 createcommand("MODULES",handle_modules,'o',0);
4846 void process_buffer(userrec *user)
4850 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
4857 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
4860 if (!strcmp(user->inbuf,""))
4864 strncpy(cmd,user->inbuf,MAXBUF);
4865 if (!strcmp(cmd,""))
4869 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
4871 cmd[strlen(cmd)-1] = '\0';
4873 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
4875 cmd[strlen(cmd)-1] = '\0';
4877 strcpy(user->inbuf,"");
4878 if (!strcmp(cmd,""))
4882 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
4884 if ((user) && (cmd))
4886 process_command(user,cmd);
4890 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,int udp_port)
4892 WriteOpers("Secure-UDP-Channel: Token='%c', Params='%s'",token,params);
4896 void handle_link_packet(long theirkey, char* udp_msg, char* udp_host, int udp_port, serverrec *serv)
4898 char response[10240];
4899 char token = udp_msg[0];
4900 char* params = udp_msg + 2;
4901 char finalparam[1024];
4902 strcpy(finalparam," :xxxx");
4903 if (strstr(params," :")) {
4904 strncpy(finalparam,strstr(params," :"),1024);
4907 // S test.chatspike.net password :ChatSpike InspIRCd test server
4908 char* servername = strtok(params," ");
4909 char* password = strtok(NULL," ");
4910 char* serverdesc = finalparam+2;
4911 WriteOpers("CONNECT from %s (%s)",servername,udp_host,password,serverdesc);
4914 char Link_ServerName[1024];
4915 char Link_IPAddr[1024];
4916 char Link_Port[1024];
4917 char Link_Pass[1024];
4918 char Link_SendPass[1024];
4921 // search for a corresponding <link> block in the config files
4922 for (int i = 0; i < ConfValueEnum("link"); i++)
4924 ConfValue("link","name",i,Link_ServerName);
4925 ConfValue("link","ipaddr",i,Link_IPAddr);
4926 ConfValue("link","port",i,Link_Port);
4927 ConfValue("link","recvpass",i,Link_Pass);
4928 ConfValue("link","sendpass",i,Link_SendPass);
4929 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
4930 LinkPort = atoi(Link_Port);
4931 if (!strcasecmp(Link_ServerName,servername)) {
4932 if (!strcasecmp(Link_IPAddr,udp_host)) {
4933 if (LinkPort == udp_port) {
4934 // we have a matching link line -
4935 // send a 'diminutive' server message back...
4936 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
4937 serv->SendPacket(response,udp_host,udp_port,0);
4938 WriteOpers("CONNECT from %s accepted, authenticating",servername);
4939 for (int j = 0; j < 255; j++) {
4940 if (servers[j] == NULL) {
4941 servers[j] = new serverrec;
4942 strcpy(servers[j]->internal_addr,udp_host);
4943 strcpy(servers[j]->name,servername);
4944 // create a server record for this server
4945 snprintf(response,10240,"O %d",MyKey);
4946 serv->SendPacket(response,udp_host,udp_port,0);
4950 WriteOpers("Internal error connecting to %s, failed to create server record!",servername);
4954 log(DEBUG,"Port numbers '%d' and '%d' don't match",LinkPort,udp_port);
4958 log(DEBUG,"IP Addresses '%s' and '%s' don't match",Link_IPAddr,udp_host);
4962 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
4965 serv->SendPacket("E :Access is denied (no matching link block)",udp_host,udp_port,0);
4966 WriteOpers("CONNECT from %s denied, no matching link block",servername);
4971 // if this is received, this means the server-ip that sent it said "OK" to credentials.
4972 // only when a server says this do we exchange keys. The server MUST have an entry in the servers
4973 // array, which is only added by an 'S' packet or BeginLink().
4974 for (int i = 0; i < 255; i++) {
4975 if (servers[i] != NULL) {
4976 if (!strcasecmp(servers[i]->internal_addr,udp_host)) {
4977 servers[i]->key = atoi(params);
4978 log(DEBUG,"Key for this server is now %d",servers[i]->key);
4979 serv->SendPacket("Z blah blah",udp_host,udp_port,MyKey);
4984 WriteOpers("\2WARNING!\2 Server ip %s attempted a key exchange, but is not in the authentication state! Possible intrusion attempt!",udp_host);
4988 // S test.chatspike.net password :ChatSpike InspIRCd test server
4989 char* servername = strtok(params," ");
4990 char* password = strtok(NULL," ");
4991 char* serverdesc = finalparam+2;
4993 // TODO: we should do a check here to ensure that this server is one we recently initiated a
4994 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
4995 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
4996 // a connect, so put out an oper alert!
5001 // for now, just accept all, we'll fix that later.
5002 WriteOpers("%s accepted our link credentials ",servername);
5004 char Link_ServerName[1024];
5005 char Link_IPAddr[1024];
5006 char Link_Port[1024];
5007 char Link_Pass[1024];
5008 char Link_SendPass[1024];
5011 // search for a corresponding <link> block in the config files
5012 for (int i = 0; i < ConfValueEnum("link"); i++)
5014 ConfValue("link","name",i,Link_ServerName);
5015 ConfValue("link","ipaddr",i,Link_IPAddr);
5016 ConfValue("link","port",i,Link_Port);
5017 ConfValue("link","recvpass",i,Link_Pass);
5018 ConfValue("link","sendpass",i,Link_SendPass);
5019 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5020 LinkPort = atoi(Link_Port);
5021 if (!strcasecmp(Link_ServerName,servername)) {
5022 if (!strcasecmp(Link_IPAddr,udp_host)) {
5023 if (LinkPort == udp_port) {
5024 // matching link at this end too, we're all done!
5025 // at this point we must begin key exchange and insert this
5026 // server into our 'active' table.
5027 for (int j = 0; j < 255; j++) {
5028 if (servers[j] != NULL) {
5029 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5030 WriteOpers("Server %s authenticated, exchanging server keys...",servername);
5031 snprintf(response,10240,"O %d",MyKey);
5032 serv->SendPacket(response,udp_host,udp_port,0);
5037 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",udp_host);
5042 log(DEBUG,"Port numbers '%d' and '%d' don't match",LinkPort,udp_port);
5046 log(DEBUG,"IP Addresses '%s' and '%s' don't match",Link_IPAddr,udp_host);
5050 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
5053 serv->SendPacket("E :Access is denied (no matching link block)",udp_host,udp_port,0);
5054 WriteOpers("CONNECT from %s denied, no matching link block",servername);
5059 char* error_message = finalparam+2;
5060 WriteOpers("ERROR from %s: %s",udp_host,error_message);
5061 // remove this server from any lists
5062 for (int j = 0; j < 255; j++) {
5063 if (servers[j] != NULL) {
5064 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5074 serverrec* source_server = NULL;
5076 for (int j = 0; j < 255; j++) {
5077 if (servers[j] != NULL) {
5078 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5079 if (servers[j]->key == theirkey) {
5080 // found a valid key for this server, can process restricted stuff here
5081 process_restricted_commands(token,params,servers[j],serv,udp_host,udp_port);
5089 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s:%d: %c",udp_host,udp_port,token);
5093 int reap_counter = 0;
5097 struct sockaddr_in client, server;
5098 char addrs[MAXBUF][255];
5099 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
5101 int count = 0, scanDetectTrigger = TRUE, showBanner = FALSE;
5102 int selectResult = 0;
5103 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
5104 char resolvedHost[MAXBUF];
5108 log_file = fopen("ircd.log","a+");
5111 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
5115 log(DEBUG,"InspIRCd: startup: begin");
5119 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
5121 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
5123 SetupCommandTable();
5124 log(DEBUG,"InspIRCd: startup: default command table set up");
5127 if (strcmp(DieValue,""))
5129 printf("WARNING: %s\n\n",DieValue);
5132 log(DEBUG,"InspIRCd: startup: read config");
5134 int count2 = 0, count3 = 0;
5135 for (count = 0; count < ConfValueEnum("bind"); count++)
5137 ConfValue("bind","port",count,configToken);
5138 ConfValue("bind","address",count,Addr);
5139 ConfValue("bind","type",count,Type);
5140 if (!strcmp(Type,"servers"))
5142 char Default[MAXBUF];
5143 strcpy(Default,"no");
5144 ConfValue("bind","default",count,Default);
5145 if (strchr(Default,'y'))
5147 defaultRoute = count3;
5148 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
5150 me[count3] = new serverrec(ServerName,100L,false);
5151 me[count3]->CreateListener(Addr,atoi(configToken));
5156 ports[count2] = atoi(configToken);
5157 strcpy(addrs[count2],Addr);
5160 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
5163 UDPportCount = count3;
5165 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
5167 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
5171 /* BugFix By Craig! :p */
5173 for (count = 0; count2 < ConfValueEnum("module"); count2++)
5175 char modfile[MAXBUF];
5176 ConfValue("module","name",count,configToken);
5177 sprintf(modfile,"%s/%s",MOD_PATH,configToken);
5178 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
5179 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
5180 /* If The File Doesnt exist, Trying to load it
5181 * Will Segfault the IRCd.. So, check to see if
5182 * it Exists, Before Proceeding. */
5183 if (FileExists(modfile))
5185 factory[count] = new ircd_module(modfile);
5186 if (factory[count]->LastError())
5188 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
5189 sprintf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
5192 if (factory[count]->factory)
5194 modules[count] = factory[count]->factory->CreateModule();
5195 /* save the module and the module's classfactory, if
5196 * this isnt done, random crashes can occur :/ */
5197 module_names.push_back(modfile);
5201 log(DEBUG,"Unable to load %s",modfile);
5202 sprintf("Unable to load %s\nExiting...\n",modfile);
5205 /* Increase the Count */
5210 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
5211 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
5214 MODCOUNT = count - 1;
5215 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
5217 printf("\nInspIRCd is now running!\n");
5219 startup_time = time(NULL);
5223 log(VERBOSE,"Not forking as -nofork was specified");
5227 if (DaemonSeed() == ERROR)
5229 log(DEBUG,"InspIRCd: startup: can't daemonise");
5230 printf("ERROR: could not go into daemon mode. Shutting down.\n");
5236 /* setup select call */
5237 FD_ZERO(&selectFds);
5238 log(DEBUG,"InspIRCd: startup: zero selects");
5239 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
5241 for (count = 0; count < portCount; count++)
5243 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
5245 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
5248 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
5250 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
5252 else /* well we at least bound to one socket so we'll continue */
5258 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
5260 /* if we didn't bind to anything then abort */
5261 if (boundPortCount == 0)
5263 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
5267 length = sizeof (client);
5268 int flip_flop = 0, udp_port = 0;
5269 char udp_msg[MAXBUF], udp_host[MAXBUF];
5271 /* main loop for multiplexing/resetting */
5274 /* set up select call */
5275 for (count = 0; count < boundPortCount; count++)
5277 FD_SET (openSockfd[count], &selectFds);
5280 /* added timeout! select was waiting forever... wank... :/ */
5291 vector<int>::iterator niterator;
5294 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
5295 // them in a list, then reap the list every second or so.
5296 if (reap_counter>5000) {
5297 if (fd_reap.size() > 0) {
5298 for( int n = 0; n < fd_reap.size(); n++)
5300 Blocking(fd_reap[n]);
5302 NonBlocking(fd_reap[n]);
5311 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
5313 for (int x = 0; x != UDPportCount; x++)
5316 if (me[x]->RecvPacket(udp_msg, udp_host, udp_port, theirkey))
5318 if (strlen(udp_msg)<1) {
5319 log(DEBUG,"Invalid datagram from %s:%d:%d [route%d]",udp_host,udp_port,me[x]->port,x);
5322 FOREACH_MOD OnPacketReceive(udp_msg);
5323 // Packets must go back via the route they arrived on :)
5324 handle_link_packet(theirkey, udp_msg, udp_host, udp_port, me[x]);
5329 for (user_hash::iterator count2 = clientlist.begin(); count2 != clientlist.end(); count2++)
5333 if (!count2->second) break;
5336 if (count2->second->fd)
5338 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
5339 // their connection class.
5340 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
5342 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
5343 kill_link(count2->second,"Registration timeout");
5346 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
5348 if (!count2->second->lastping)
5350 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
5351 kill_link(count2->second,"Ping timeout");
5354 Write(count2->second->fd,"PING :%s",ServerName);
5355 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
5356 count2->second->lastping = 0;
5357 count2->second->nping = time(NULL)+120;
5360 result = read(count2->second->fd, data, 1);
5361 // result EAGAIN means nothing read
5362 if (result == EAGAIN)
5370 log(DEBUG,"InspIRCd: Exited: %s",count2->second->nick);
5371 kill_link(count2->second,"Client exited");
5372 // must bail here? kill_link removes the hash, corrupting the iterator
5373 log(DEBUG,"Bailing from client exit");
5377 else if (result > 0)
5382 // until the buffer is at 509 chars anything can be inserted into it.
5383 if (strlen(count2->second->inbuf) < 509) {
5384 strncat(count2->second->inbuf, data, result);
5387 // once you reach 509 chars, only a \r or \n can be inserted,
5388 // completing the line.
5389 if ((strlen(count2->second->inbuf) >= 509) && ((data[0] == '\r') || (data[0] == '\n'))) {
5390 count2->second->inbuf[509] = '\r';
5391 count2->second->inbuf[510] = '\n';
5392 count2->second->inbuf[511] = '\0';
5395 if (strchr(count2->second->inbuf, '\n') || strchr(count2->second->inbuf, '\r') || (strlen(count2->second->inbuf) > 509))
5397 /* at least one complete line is waiting to be processed */
5398 if (!count2->second->fd)
5402 if (strlen(count2->second->inbuf)<513)
5404 // double check the length before processing!
5405 process_buffer(count2->second);
5415 /* select is reporting a waiting socket. Poll them all to find out which */
5416 if (selectResult > 0)
5418 char target[MAXBUF], resolved[MAXBUF];
5419 for (count = 0; count < boundPortCount; count++)
5421 if (FD_ISSET (openSockfd[count], &selectFds))
5423 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
5425 address_cache::iterator iter = IP.find(client.sin_addr);
5426 bool iscached = false;
5427 if (iter == IP.end())
5429 /* ip isn't in cache, add it */
5430 strncpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
5431 if(CleanAndResolve(resolved, target) != TRUE)
5433 strncpy(resolved,target,MAXBUF);
5435 /* hostname now in 'target' */
5436 IP[client.sin_addr] = new string(resolved);
5437 /* hostname in cache */
5441 /* found ip (cached) */
5442 strncpy(resolved, iter->second->c_str(), MAXBUF);
5446 if (incomingSockfd < 0)
5448 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
5449 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
5453 AddClient(incomingSockfd, resolved, ports[count], iscached);
5454 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
5463 close (incomingSockfd);