1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
22 #include "inspircd_io.h"
23 #include "inspircd_util.h"
24 #include "inspircd_config.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
34 #include <ext/hash_map>
44 #include "connection.h"
54 #define nspace __gnu_cxx
59 int LogLevel = DEFAULT;
60 char ServerName[MAXBUF];
62 char ServerDesc[MAXBUF];
63 char AdminName[MAXBUF];
64 char AdminEmail[MAXBUF];
65 char AdminNick[MAXBUF];
67 char restartpass[MAXBUF];
71 char PrefixQuit[MAXBUF];
72 char DieValue[MAXBUF];
74 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
75 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
77 time_t startup_time = time(NULL);
78 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
80 extern vector<Module*> modules;
81 std::vector<std::string> module_names;
82 extern vector<ircd_module*> factory;
83 std::vector<int> fd_reap;
93 template<> struct nspace::hash<in_addr>
95 size_t operator()(const struct in_addr &a) const
98 memcpy(&q,&a,sizeof(size_t));
103 template<> struct nspace::hash<string>
105 size_t operator()(const string &s) const
108 static struct hash<const char *> strhash;
120 bool operator()(const string& s1, const string& s2) const
122 char a[MAXBUF],b[MAXBUF];
123 strcpy(a,s1.c_str());
124 strcpy(b,s2.c_str());
125 return (strcasecmp(a,b) == 0);
130 struct InAddr_HashComp
133 bool operator()(const in_addr &s1, const in_addr &s2) const
138 memcpy(&q,&s1,sizeof(size_t));
139 memcpy(&p,&s2,sizeof(size_t));
147 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
148 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
149 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
150 typedef std::deque<command_t> command_table;
153 serverrec* servers[255];
157 user_hash clientlist;
160 command_table cmdlist;
167 struct linger linger = { 0 };
168 char bannerBuffer[MAXBUF];
169 int boundPortCount = 0;
170 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
171 int defaultRoute = 0;
175 long MyKey = C.GenKey();
179 int has_channel(userrec *u, chanrec *c);
180 int usercount(chanrec *c);
181 int usercount_i(chanrec *c);
182 void update_stats_l(int fd,int data_out);
183 char* Passwd(userrec *user);
184 bool IsDenied(userrec *user);
185 void AddWhoWas(userrec* u);
187 std::stringstream config_f(stringstream::in | stringstream::out);
189 void safedelete(userrec *p)
193 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
194 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
200 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
204 void safedelete(chanrec *p)
210 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
214 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
219 void tidystring(char* str)
221 // strips out double spaces before a : parameter
224 bool go_again = true;
231 while ((str[0] == ' ') && (strlen(str)>0))
238 bool noparse = false;
241 while (a < strlen(str))
243 if ((a<strlen(str)-1) && (noparse==false))
245 if ((str[a] == ' ') && (str[a+1] == ' '))
247 log(DEBUG,"Tidied extra space out of string: %s",str);
255 if ((str[a] == ' ') && (str[a+1] == ':'))
261 temp[t++] = str[a++];
264 strncpy(str,temp,MAXBUF);
268 /* chop a string down to 512 characters and preserve linefeed (irc max
275 log(DEBUG,"ERROR! Null string passed to chop()!");
279 FOREACH_MOD OnServerRaw(temp,false);
280 const char* str2 = temp.c_str();
281 sprintf(str,"%s",str2);
284 if (strlen(str) >= 512)
293 std::string getservername()
298 std::string getserverdesc()
303 std::string getnetworkname()
308 std::string getadminname()
313 std::string getadminemail()
318 std::string getadminnick()
323 void log(int level,char *text, ...)
325 char textbuffer[MAXBUF];
328 struct tm * timeinfo;
329 if (level < LogLevel)
333 timeinfo = localtime (&rawtime);
338 va_start (argsPtr, text);
339 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
341 strcpy(b,asctime(timeinfo));
342 b[strlen(b)-1] = ':';
343 fprintf(log_file,"%s %s\n",b,textbuffer);
346 // nofork enabled? display it on terminal too
347 printf("%s %s\n",b,textbuffer);
352 void readfile(file_cache &F, const char* fname)
355 char linebuf[MAXBUF];
357 log(DEBUG,"readfile: loading %s",fname);
359 file = fopen(fname,"r");
364 fgets(linebuf,sizeof(linebuf),file);
365 linebuf[strlen(linebuf)-1]='\0';
366 if (!strcmp(linebuf,""))
372 F.push_back(linebuf);
379 log(DEBUG,"readfile: failed to load file: %s",fname);
381 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
384 void ReadConfig(void)
386 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF];
389 LoadConf(CONFIG_FILE,&config_f);
391 ConfValue("server","name",0,ServerName,&config_f);
392 ConfValue("server","description",0,ServerDesc,&config_f);
393 ConfValue("server","network",0,Network,&config_f);
394 ConfValue("admin","name",0,AdminName,&config_f);
395 ConfValue("admin","email",0,AdminEmail,&config_f);
396 ConfValue("admin","nick",0,AdminNick,&config_f);
397 ConfValue("files","motd",0,motd,&config_f);
398 ConfValue("files","rules",0,rules,&config_f);
399 ConfValue("power","diepass",0,diepass,&config_f);
400 ConfValue("power","pause",0,pauseval,&config_f);
401 ConfValue("power","restartpass",0,restartpass,&config_f);
402 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
403 ConfValue("die","value",0,DieValue,&config_f);
404 ConfValue("options","loglevel",0,dbg,&config_f);
405 ConfValue("options","netbuffersize",0,NB,&config_f);
406 NetBufferSize = atoi(NB);
407 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
409 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
410 NetBufferSize = 10240;
412 if (!strcmp(dbg,"debug"))
414 if (!strcmp(dbg,"verbose"))
416 if (!strcmp(dbg,"default"))
418 if (!strcmp(dbg,"sparse"))
420 if (!strcmp(dbg,"none"))
423 log(DEBUG,"Reading message of the day");
424 readfile(RULES,rules);
425 log(DEBUG,"Reading connect classes");
427 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
430 ConfValue("connect","allow",i,Value,&config_f);
431 ConfValue("connect","timeout",i,timeout,&config_f);
432 ConfValue("connect","flood",i,flood,&config_f);
433 if (strcmp(Value,""))
435 strcpy(c.host,Value);
438 ConfValue("connect","password",i,Value,&config_f);
439 strcpy(c.pass,Value);
440 c.registration_timeout = 90; // default is 2 minutes
441 c.flood = atoi(flood);
444 c.registration_timeout = atoi(timeout);
446 Classes.push_back(c);
447 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%d flood=%d",c.host,c.pass,c.registration_timeout,c.flood);
451 ConfValue("connect","deny",i,Value,&config_f);
452 strcpy(c.host,Value);
454 Classes.push_back(c);
455 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
464 log(DEBUG,"Blocking: %d",s);
465 flags = fcntl(s, F_GETFL, 0);
466 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
469 void NonBlocking(int s)
472 log(DEBUG,"NonBlocking: %d",s);
473 flags = fcntl(s, F_GETFL, 0);
474 //fcntl(s, F_SETFL, O_NONBLOCK);
475 fcntl(s, F_SETFL, flags | O_NONBLOCK);
479 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
481 struct hostent *hostPtr = NULL;
484 memset (resolvedHost, '\0',MAXBUF);
485 if(unresolvedHost == NULL)
487 if ((inet_aton(unresolvedHost,&addr)) == 0)
489 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
491 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
493 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
497 /* write formatted text to a socket, in same format as printf */
499 void Write(int sock,char *text, ...)
503 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
506 char textbuffer[MAXBUF];
510 va_start (argsPtr, text);
511 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
513 sprintf(tb,"%s\r\n",textbuffer);
517 write(sock,tb,strlen(tb));
518 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
522 /* write a server formatted numeric response to a single socket */
524 void WriteServ(int sock, char* text, ...)
528 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
531 char textbuffer[MAXBUF],tb[MAXBUF];
533 va_start (argsPtr, text);
535 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
537 sprintf(tb,":%s %s\r\n",ServerName,textbuffer);
541 write(sock,tb,strlen(tb));
542 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
546 /* write text from an originating user to originating user */
548 void WriteFrom(int sock, userrec *user,char* text, ...)
550 if ((!text) || (!user))
552 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
555 char textbuffer[MAXBUF],tb[MAXBUF];
557 va_start (argsPtr, text);
559 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
561 sprintf(tb,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
565 write(sock,tb,strlen(tb));
566 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
570 /* write text to an destination user from a source user (e.g. user privmsg) */
572 void WriteTo(userrec *source, userrec *dest,char *data, ...)
574 if ((!source) || (!dest) || (!data))
576 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
579 char textbuffer[MAXBUF],tb[MAXBUF];
581 va_start (argsPtr, data);
582 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
585 WriteFrom(dest->fd,source,"%s",textbuffer);
588 /* write formatted text from a source user to all users on a channel
589 * including the sender (NOT for privmsg, notice etc!) */
591 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
593 if ((!Ptr) || (!user) || (!text))
595 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
598 char textbuffer[MAXBUF];
600 va_start (argsPtr, text);
601 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
603 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
605 if (has_channel(i->second,Ptr))
607 WriteTo(user,i->second,"%s",textbuffer);
612 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
614 if ((!Ptr) || (!user) || (!text))
616 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
619 char textbuffer[MAXBUF];
621 va_start (argsPtr, text);
622 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
624 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
628 if (has_channel(i->second,Ptr))
630 WriteServ(i->second->fd,"%s",textbuffer);
637 /* write formatted text from a source user to all users on a channel except
638 * for the sender (for privmsg etc) */
640 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
642 if ((!Ptr) || (!user) || (!text))
644 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
647 char textbuffer[MAXBUF];
649 va_start (argsPtr, text);
650 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
653 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
657 if (has_channel(i->second,Ptr) && (user != i->second))
659 WriteTo(user,i->second,"%s",textbuffer);
665 int c_count(userrec* u)
668 for (int i =0; i != MAXCHANS; i++)
669 if (u->chans[i].channel != NULL)
675 /* return 0 or 1 depending if users u and u2 share one or more common channels
676 * (used by QUIT, NICK etc which arent channel specific notices) */
678 int common_channels(userrec *u, userrec *u2)
685 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
688 for (i = 0; i != MAXCHANS; i++)
690 for (z = 0; z != MAXCHANS; z++)
692 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
694 if ((u->chans[i].channel == u2->chans[z].channel) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
696 if ((c_count(u)) && (c_count(u2)))
707 /* write a formatted string to all users who share at least one common
708 * channel, including the source user e.g. for use in NICK */
710 void WriteCommon(userrec *u, char* text, ...)
714 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
718 if (u->registered != 7) {
719 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
723 char textbuffer[MAXBUF];
725 va_start (argsPtr, text);
726 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
729 WriteFrom(u->fd,u,"%s",textbuffer);
731 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
735 if (common_channels(u,i->second) && (i->second != u))
737 WriteFrom(i->second->fd,u,"%s",textbuffer);
743 /* write a formatted string to all users who share at least one common
744 * channel, NOT including the source user e.g. for use in QUIT */
746 void WriteCommonExcept(userrec *u, char* text, ...)
750 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
754 if (u->registered != 7) {
755 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
759 char textbuffer[MAXBUF];
761 va_start (argsPtr, text);
762 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
765 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
769 if ((common_channels(u,i->second)) && (u != i->second))
771 WriteFrom(i->second->fd,u,"%s",textbuffer);
777 void WriteOpers(char* text, ...)
781 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
785 char textbuffer[MAXBUF];
787 va_start (argsPtr, text);
788 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
791 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
795 if (strchr(i->second->modes,'o'))
797 if (strchr(i->second->modes,'s'))
799 // send server notices to all with +s
800 // (TODO: needs SNOMASKs)
801 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
808 bool hasumode(userrec* user, char mode)
812 return (strchr(user->modes,mode)>0);
817 void WriteMode(const char* modes, int flags, const char* text, ...)
819 if ((!text) || (!modes) || (!flags))
821 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
825 char textbuffer[MAXBUF];
827 va_start (argsPtr, text);
828 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
831 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
835 bool send_to_user = false;
840 for (int n = 0; n < strlen(modes); n++)
842 if (!hasumode(i->second,modes[n]))
844 send_to_user = false;
849 else if (flags == WM_OR)
851 send_to_user = false;
852 for (int n = 0; n < strlen(modes); n++)
854 if (hasumode(i->second,modes[n]))
864 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
870 void WriteWallOps(userrec *source, char* text, ...)
872 if ((!text) || (!source))
874 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
879 char textbuffer[MAXBUF];
881 va_start (argsPtr, text);
882 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
885 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
889 if (strchr(i->second->modes,'w'))
891 WriteTo(source,i->second,"WALLOPS %s",textbuffer);
897 /* convert a string to lowercase. Note following special circumstances
898 * taken from RFC 1459. Many "official" server branches still hold to this
899 * rule so i will too;
901 * Because of IRC's scandanavian origin, the characters {}| are
902 * considered to be the lower case equivalents of the characters []\,
903 * respectively. This is a critical issue when determining the
904 * equivalence of two nicknames.
907 void strlower(char *n)
913 for (int i = 0; i != strlen(n); i++)
915 n[i] = tolower(n[i]);
925 /* verify that a user's ident and nickname is valid */
927 int isident(const char* n)
940 for (i = 0; i != strlen(n); i++)
942 if ((n[i] < 33) || (n[i] > 125))
946 /* can't occur ANYWHERE in an Ident! */
947 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
956 int isnick(const char* n)
968 if (strlen(n) > NICKMAX-1)
972 for (i = 0; i != strlen(n); i++)
974 if ((n[i] < 33) || (n[i] > 125))
978 /* can't occur ANYWHERE in a nickname! */
979 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
983 /* can't occur as the first char of a nickname... */
984 if ((strchr("0123456789",n[i])) && (!i))
992 /* Find a user record by nickname and return a pointer to it */
994 userrec* Find(string nick)
996 user_hash::iterator iter = clientlist.find(nick);
998 if (iter == clientlist.end())
999 /* Couldn't find it */
1002 return iter->second;
1005 void update_stats_l(int fd,int data_out) /* add one line-out to stats L for this fd */
1007 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1011 if (i->second->fd == fd)
1013 i->second->bytes_out+=data_out;
1014 i->second->cmds_out++;
1021 /* find a channel record by channel name and return a pointer to it */
1023 chanrec* FindChan(const char* chan)
1027 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1031 chan_hash::iterator iter = chanlist.find(chan);
1033 if (iter == chanlist.end())
1034 /* Couldn't find it */
1037 return iter->second;
1041 void purge_empty_chans(void)
1043 int go_again = 1, purge = 0;
1048 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1051 if (!usercount(i->second))
1053 /* kill the record */
1054 if (i != chanlist.end())
1056 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1066 log(DEBUG,"skipped purge for %s",i->second->name);
1071 log(DEBUG,"completed channel purge, killed %d",purge);
1074 /* returns the status character for a given user on a channel, e.g. @ for op,
1075 * % for halfop etc. If the user has several modes set, the highest mode
1076 * the user has must be returned. */
1078 char* cmode(userrec *user, chanrec *chan)
1080 if ((!user) || (!chan))
1082 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
1087 for (i = 0; i != MAXCHANS; i++)
1089 if ((user->chans[i].channel == chan) && (chan != NULL))
1091 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1095 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1099 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1108 char scratch[MAXBUF];
1109 char sparam[MAXBUF];
1111 char* chanmodes(chanrec *chan)
1115 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1122 if (chan->noexternal)
1124 strncat(scratch,"n",MAXMODES);
1126 if (chan->topiclock)
1128 strncat(scratch,"t",MAXMODES);
1130 if (strcmp(chan->key,""))
1132 strncat(scratch,"k",MAXMODES);
1136 strncat(scratch,"l",MAXMODES);
1138 if (chan->inviteonly)
1140 strncat(scratch,"i",MAXMODES);
1142 if (chan->moderated)
1144 strncat(scratch,"m",MAXMODES);
1148 strncat(scratch,"s",MAXMODES);
1150 if (chan->c_private)
1152 strncat(scratch,"p",MAXMODES);
1154 if (strcmp(chan->key,""))
1156 strncat(sparam,chan->key,MAXBUF);
1161 sprintf(foo," %d",chan->limit);
1162 strncat(sparam,foo,MAXBUF);
1164 if (strlen(chan->custom_modes))
1166 strncat(scratch,chan->custom_modes,MAXMODES);
1167 for (int z = 0; z < strlen(chan->custom_modes); z++)
1169 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1172 strncat(sparam," ",MAXBUF);
1173 strncat(sparam,extparam.c_str(),MAXBUF);
1177 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1178 strncat(scratch,sparam,MAXMODES);
1182 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
1183 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
1184 * highest mode the user has must be returned. */
1186 int cstatus(userrec *user, chanrec *chan)
1188 if ((!chan) || (!user))
1190 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
1195 for (i = 0; i != MAXCHANS; i++)
1197 if ((user->chans[i].channel == chan) && (chan != NULL))
1199 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1203 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1207 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1209 return STATUS_VOICE;
1211 return STATUS_NORMAL;
1217 /* compile a userlist of a channel into a string, each nick seperated by
1218 * spaces and op, voice etc status shown as @ and + */
1220 void userlist(userrec *user,chanrec *c)
1222 if ((!c) || (!user))
1224 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1228 sprintf(list,"353 %s = %s :", user->nick, c->name);
1229 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1231 if (has_channel(i->second,c))
1233 if (isnick(i->second->nick))
1235 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1237 /* user is +i, and source not on the channel, does not show
1238 * nick in NAMES list */
1241 strcat(list,cmode(i->second,c));
1242 strcat(list,i->second->nick);
1244 if (strlen(list)>(480-NICKMAX))
1246 /* list overflowed into
1247 * multiple numerics */
1248 WriteServ(user->fd,list);
1249 sprintf(list,"353 %s = %s :", user->nick, c->name);
1254 /* if whats left in the list isnt empty, send it */
1255 if (list[strlen(list)-1] != ':')
1257 WriteServ(user->fd,list);
1261 /* return a count of the users on a specific channel accounting for
1262 * invisible users who won't increase the count. e.g. for /LIST */
1264 int usercount_i(chanrec *c)
1271 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1276 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1280 if (has_channel(i->second,c))
1282 if (isnick(i->second->nick))
1284 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1286 /* user is +i, and source not on the channel, does not show
1287 * nick in NAMES list */
1295 log(DEBUG,"usercount_i: %s %d",c->name,count);
1300 int usercount(chanrec *c)
1307 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1312 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1316 if (has_channel(i->second,c))
1318 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1325 log(DEBUG,"usercount: %s %d",c->name,count);
1330 /* add a channel to a user, creating the record for it if needed and linking
1331 * it to the user record */
1333 chanrec* add_channel(userrec *user, const char* cn, const char* key)
1335 if ((!user) || (!cn))
1337 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1346 strncpy(cname,cn,MAXBUF);
1348 // we MUST declare this wherever we use FOREACH_RESULT
1351 if ((!cname) || (!user))
1355 if (strlen(cname) > CHANMAX-1)
1357 cname[CHANMAX-1] = '\0';
1360 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1362 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1364 return NULL; // already on the channel!
1368 if (!FindChan(cname))
1370 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1375 /* create a new one */
1376 log(DEBUG,"add_channel: creating: %s",cname);
1378 chanlist[cname] = new chanrec();
1380 strcpy(chanlist[cname]->name, cname);
1381 chanlist[cname]->topiclock = 1;
1382 chanlist[cname]->noexternal = 1;
1383 chanlist[cname]->created = time(NULL);
1384 strcpy(chanlist[cname]->topic, "");
1385 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1386 chanlist[cname]->topicset = 0;
1387 Ptr = chanlist[cname];
1388 log(DEBUG,"add_channel: created: %s",cname);
1389 /* set created to 2 to indicate user
1390 * is the first in the channel
1391 * and should be given ops */
1397 /* channel exists, just fish out a pointer to its struct */
1398 Ptr = FindChan(cname);
1401 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1406 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1407 if (strcmp(Ptr->key,""))
1409 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1412 log(DEBUG,"add_channel: no key given in JOIN");
1413 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1418 log(DEBUG,"key at %p is %s",key,key);
1419 if (strcasecmp(key,Ptr->key))
1421 log(DEBUG,"add_channel: bad key given in JOIN");
1422 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1427 log(DEBUG,"add_channel: no key");
1429 if (Ptr->inviteonly)
1431 log(DEBUG,"add_channel: channel is +i");
1432 if (user->IsInvited(Ptr->name))
1434 /* user was invited to channel */
1435 /* there may be an optional channel NOTICE here */
1439 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1443 log(DEBUG,"add_channel: channel is not +i");
1447 if (usercount(Ptr) == Ptr->limit)
1449 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1454 log(DEBUG,"add_channel: about to walk banlist");
1456 /* check user against the channel banlist */
1457 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1459 if (match(user->GetFullHost(),i->data))
1461 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1466 log(DEBUG,"add_channel: bans checked");
1468 user->RemoveInvite(Ptr->name);
1470 log(DEBUG,"add_channel: invites removed");
1476 log(DEBUG,"Passed channel checks");
1478 for (i =0; i != MAXCHANS; i++)
1480 if (user->chans[i].channel == NULL)
1482 log(DEBUG,"Adding into their channel list");
1486 /* first user in is given ops */
1487 user->chans[i].uc_modes = UCMODE_OP;
1491 user->chans[i].uc_modes = 0;
1493 user->chans[i].channel = Ptr;
1494 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1496 log(DEBUG,"Sent JOIN to client");
1500 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1501 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1504 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1505 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1506 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1507 FOREACH_MOD OnUserJoin(user,Ptr);
1511 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1512 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1516 /* remove a channel from a users record, and remove the record from memory
1517 * if the channel has become empty */
1519 chanrec* del_channel(userrec *user, const char* cname, const char* reason)
1521 if ((!user) || (!cname))
1523 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1531 if ((!cname) || (!user))
1536 Ptr = FindChan(cname);
1543 FOREACH_MOD OnUserPart(user,Ptr);
1544 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1546 for (i =0; i != MAXCHANS; i++)
1548 /* zap it from the channel list of the user */
1549 if (user->chans[i].channel == Ptr)
1553 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1557 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1559 user->chans[i].uc_modes = 0;
1560 user->chans[i].channel = NULL;
1561 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1566 /* if there are no users left on the channel */
1567 if (!usercount(Ptr))
1569 chan_hash::iterator iter = chanlist.find(Ptr->name);
1571 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1573 /* kill the record */
1574 if (iter != chanlist.end())
1576 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1577 delete iter->second;
1578 chanlist.erase(iter);
1584 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1586 if ((!src) || (!user) || (!Ptr) || (!reason))
1588 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1595 if ((!Ptr) || (!user) || (!src))
1600 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1602 if (!has_channel(user,Ptr))
1604 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1607 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
1609 if (cstatus(src,Ptr) == STATUS_HOP)
1611 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1615 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1621 for (i =0; i != MAXCHANS; i++)
1623 /* zap it from the channel list of the user */
1624 if (user->chans[i].channel == Ptr)
1626 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1627 user->chans[i].uc_modes = 0;
1628 user->chans[i].channel = NULL;
1629 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1634 /* if there are no users left on the channel */
1635 if (!usercount(Ptr))
1637 chan_hash::iterator iter = chanlist.find(Ptr->name);
1639 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1641 /* kill the record */
1642 if (iter != chanlist.end())
1644 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1645 delete iter->second;
1646 chanlist.erase(iter);
1652 /* returns 1 if user u has channel c in their record, 0 if not */
1654 int has_channel(userrec *u, chanrec *c)
1660 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
1663 for (i =0; i != MAXCHANS; i++)
1665 if (u->chans[i].channel == c)
1673 int give_ops(userrec *user,char *dest,chanrec *chan,int status)
1678 if ((!user) || (!dest) || (!chan))
1680 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
1683 if (status != STATUS_OP)
1685 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1692 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1698 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1703 for (i = 0; i != MAXCHANS; i++)
1705 if ((d->chans[i].channel == chan) && (chan != NULL))
1707 if (d->chans[i].uc_modes & UCMODE_OP)
1709 /* mode already set on user, dont allow multiple */
1712 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
1713 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
1721 int give_hops(userrec *user,char *dest,chanrec *chan,int status)
1726 if ((!user) || (!dest) || (!chan))
1728 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
1731 if (status != STATUS_OP)
1733 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1741 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1746 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1751 for (i = 0; i != MAXCHANS; i++)
1753 if ((d->chans[i].channel == chan) && (chan != NULL))
1755 if (d->chans[i].uc_modes & UCMODE_HOP)
1757 /* mode already set on user, dont allow multiple */
1760 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
1761 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
1769 int give_voice(userrec *user,char *dest,chanrec *chan,int status)
1774 if ((!user) || (!dest) || (!chan))
1776 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
1779 if (status < STATUS_HOP)
1781 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1789 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1794 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1799 for (i = 0; i != MAXCHANS; i++)
1801 if ((d->chans[i].channel == chan) && (chan != NULL))
1803 if (d->chans[i].uc_modes & UCMODE_VOICE)
1805 /* mode already set on user, dont allow multiple */
1808 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
1809 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
1817 int take_ops(userrec *user,char *dest,chanrec *chan,int status)
1822 if ((!user) || (!dest) || (!chan))
1824 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
1827 if (status != STATUS_OP)
1829 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1837 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1842 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1847 for (i = 0; i != MAXCHANS; i++)
1849 if ((d->chans[i].channel == chan) && (chan != NULL))
1851 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
1853 /* mode already set on user, dont allow multiple */
1856 d->chans[i].uc_modes ^= UCMODE_OP;
1857 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
1865 int take_hops(userrec *user,char *dest,chanrec *chan,int status)
1870 if ((!user) || (!dest) || (!chan))
1872 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
1875 if (status != STATUS_OP)
1877 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1885 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1890 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1895 for (i = 0; i != MAXCHANS; i++)
1897 if ((d->chans[i].channel == chan) && (chan != NULL))
1899 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
1901 /* mode already set on user, dont allow multiple */
1904 d->chans[i].uc_modes ^= UCMODE_HOP;
1905 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
1913 int take_voice(userrec *user,char *dest,chanrec *chan,int status)
1918 if ((!user) || (!dest) || (!chan))
1920 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
1923 if (status < STATUS_HOP)
1925 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
1933 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1938 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1943 for (i = 0; i != MAXCHANS; i++)
1945 if ((d->chans[i].channel == chan) && (chan != NULL))
1947 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
1949 /* mode already set on user, dont allow multiple */
1952 d->chans[i].uc_modes ^= UCMODE_VOICE;
1953 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
1961 void TidyBan(char *ban)
1964 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
1968 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
1972 char* pos_of_pling = strchr(temp,'!');
1973 char* pos_of_at = strchr(temp,'@');
1975 pos_of_pling[0] = '\0';
1976 pos_of_at[0] = '\0';
1980 strncpy(NICK,temp,NICKMAX);
1981 strncpy(IDENT,pos_of_pling,IDENTMAX+1);
1982 strncpy(HOST,pos_of_at,160);
1984 sprintf(ban,"%s!%s@%s",NICK,IDENT,HOST);
1987 int add_ban(userrec *user,char *dest,chanrec *chan,int status)
1989 if ((!user) || (!dest) || (!chan)) {
1990 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
1995 if ((!user) || (!dest) || (!chan))
1997 if (strchr(dest,'!')==0)
1999 if (strchr(dest,'@')==0)
2001 for (int i = 0; i < strlen(dest); i++)
2004 for (int i = 0; i < strlen(dest); i++)
2008 for (int i = 0; i < strlen(dest); i++)
2014 for (int i = 0; i < strlen(dest); i++)
2019 log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
2022 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2024 if (!strcasecmp(i->data,dest))
2026 // dont allow a user to set the same ban twice
2031 b.set_time = time(NULL);
2032 strncpy(b.data,dest,MAXBUF);
2033 strncpy(b.set_by,user->nick,NICKMAX);
2034 chan->bans.push_back(b);
2038 int take_ban(userrec *user,char *dest,chanrec *chan,int status)
2040 if ((!user) || (!dest) || (!chan)) {
2041 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
2045 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
2046 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2048 if (!strcasecmp(i->data,dest))
2050 chan->bans.erase(i);
2057 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode)
2059 if ((!parameters) || (!user)) {
2060 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
2065 char modelist[MAXBUF];
2066 char outlist[MAXBUF];
2067 char outstr[MAXBUF];
2068 char outpars[32][MAXBUF];
2074 bool k_set = false, l_set = false;
2081 log(DEBUG,"process_modes: start");
2083 strcpy(modelist,parameters[1]); /* mode list, e.g. +oo-o */
2084 /* parameters[2] onwards are parameters for
2085 * modes that require them :) */
2086 strcpy(outlist,"+");
2089 log(DEBUG,"process_modes: modelist: %s",modelist);
2091 for (ptr = 0; ptr < strlen(modelist); ptr++)
2096 log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
2097 char modechar = modelist[ptr];
2098 switch (modelist[ptr])
2103 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2105 outlist[strlen(outlist)-1] = '-';
2109 strcat(outlist,"-");
2119 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2121 outlist[strlen(outlist)-1] = '+';
2125 strcat(outlist,"+");
2132 if ((param >= pcnt)) break;
2135 r = give_ops(user,parameters[param++],chan,status);
2139 r = take_ops(user,parameters[param++],chan,status);
2143 strcat(outlist,"o");
2144 strcpy(outpars[pc++],parameters[param-1]);
2149 if ((param >= pcnt)) break;
2152 r = give_hops(user,parameters[param++],chan,status);
2156 r = take_hops(user,parameters[param++],chan,status);
2160 strcat(outlist,"h");
2161 strcpy(outpars[pc++],parameters[param-1]);
2167 if ((param >= pcnt)) break;
2170 r = give_voice(user,parameters[param++],chan,status);
2174 r = take_voice(user,parameters[param++],chan,status);
2178 strcat(outlist,"v");
2179 strcpy(outpars[pc++],parameters[param-1]);
2184 if ((param >= pcnt)) break;
2187 r = add_ban(user,parameters[param++],chan,status);
2191 r = take_ban(user,parameters[param++],chan,status);
2195 strcat(outlist,"b");
2196 strcpy(outpars[pc++],parameters[param-1]);
2202 if ((param >= pcnt))
2210 if (!strcmp(chan->key,""))
2212 strcat(outlist,"k");
2214 strcpy(key,parameters[param++]);
2215 if (strlen(key)>32) {
2218 strcpy(outpars[pc++],key);
2219 strcpy(chan->key,key);
2225 /* checks on -k are case sensitive and only accurate to the
2226 first 32 characters */
2228 strcpy(key,parameters[param++]);
2229 if (strlen(key)>32) {
2232 /* only allow -k if correct key given */
2233 if (!strcmp(chan->key,key))
2235 strcat(outlist,"k");
2236 strcpy(chan->key,"");
2237 strcpy(outpars[pc++],key);
2247 strcat(outlist,"l");
2252 if ((param >= pcnt)) break;
2258 bool invalid = false;
2259 for (int i = 0; i < strlen(parameters[param]); i++)
2261 if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
2266 if (atoi(parameters[param]) < 1)
2274 chan->limit = atoi(parameters[param]);
2277 strcat(outlist,"l");
2278 strcpy(outpars[pc++],parameters[param++]);
2285 if (chan->inviteonly != mdir)
2287 strcat(outlist,"i");
2289 chan->inviteonly = mdir;
2293 if (chan->topiclock != mdir)
2295 strcat(outlist,"t");
2297 chan->topiclock = mdir;
2301 if (chan->noexternal != mdir)
2303 strcat(outlist,"n");
2305 chan->noexternal = mdir;
2309 if (chan->moderated != mdir)
2311 strcat(outlist,"m");
2313 chan->moderated = mdir;
2317 if (chan->secret != mdir)
2319 strcat(outlist,"s");
2320 if (chan->c_private)
2322 chan->c_private = 0;
2325 strcat(outlist,"-p+");
2329 strcat(outlist,"+p-");
2333 chan->secret = mdir;
2337 if (chan->c_private != mdir)
2339 strcat(outlist,"p");
2345 strcat(outlist,"-s+");
2349 strcat(outlist,"+s-");
2353 chan->c_private = mdir;
2357 log(DEBUG,"Preprocessing custom mode %c",modechar);
2360 if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
2362 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
2365 if (ModeDefined(modechar,MT_CHANNEL))
2367 log(DEBUG,"A module has claimed this mode");
2370 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2372 p.push_back(parameters[param]);
2374 if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
2376 p.push_back(parameters[param]);
2379 bool handled = false;
2382 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
2383 // we're supposed to have a parameter, but none was given... so dont handle the mode.
2384 if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
2390 for (int i = 0; i <= MODCOUNT; i++)
2394 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
2396 log(DEBUG,"OnExtendedMode returned nonzero for a module");
2397 char app[] = {modechar, 0};
2400 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
2402 strcat(outlist, app);
2404 else if (!strchr(outlist,modechar))
2406 strcat(outlist, app);
2409 chan->SetCustomMode(modechar,mdir);
2410 // include parameters in output if mode has them
2411 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2413 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
2414 strcpy(outpars[pc++],parameters[param++]);
2416 // break, because only one module can handle the mode.
2428 /* this ensures only the *valid* modes are sent out onto the network */
2429 while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
2431 outlist[strlen(outlist)-1] = '\0';
2433 if (strcmp(outlist,""))
2435 strcpy(outstr,outlist);
2436 for (ptr = 0; ptr < pc; ptr++)
2439 strcat(outstr,outpars[ptr]);
2443 WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
2447 WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
2452 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
2454 bool allowed_umode(char umode, char* sourcemodes,bool adding)
2456 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
2457 // RFC1459 specified modes
2458 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
2460 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2464 // user may not +o themselves or others, but an oper may de-oper other opers or themselves
2465 if ((strchr(sourcemodes,'o')) && (!adding))
2467 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2470 else if (umode == 'o')
2472 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2476 // process any module-defined modes that need oper
2477 if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
2479 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
2483 if (ModeDefined(umode,MT_CLIENT))
2485 // process any module-defined modes that don't need oper
2486 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
2487 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
2489 // no, this mode needs oper, and this user 'aint got what it takes!
2495 // anything else - return false.
2496 log(DEBUG,"umode %c not known by any ruleset",umode);
2500 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
2504 if (ModeDefined(umode,MT_CLIENT))
2506 for (int i = 0; i <= MODCOUNT; i++)
2508 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
2510 log(DEBUG,"Module claims umode %c",umode);
2514 log(DEBUG,"No module claims umode %c",umode);
2519 log(DEBUG,"*** BUG *** Non-module umode passed to process_module_umode!");
2524 void handle_mode(char **parameters, int pcnt, userrec *user)
2530 char outpars[MAXBUF];
2532 dest = Find(parameters[0]);
2534 if ((dest) && (pcnt == 1))
2536 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
2540 if ((dest) && (pcnt > 1))
2542 char dmodes[MAXBUF];
2543 strncpy(dmodes,dest->modes,MAXBUF);
2544 log(DEBUG,"pulled up dest user modes: %s",dmodes);
2549 if (strchr(user->modes,'o'))
2560 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
2564 strcpy(outpars,"+");
2567 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2570 for (i = 0; i < strlen(parameters[1]); i++)
2572 if (parameters[1][i] == '+')
2576 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2578 outpars[strlen(outpars)-1] = '+';
2582 strcat(outpars,"+");
2588 if (parameters[1][i] == '-')
2592 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2594 outpars[strlen(outpars)-1] = '-';
2598 strcat(outpars,"-");
2606 if (strchr(user->modes,'o'))
2612 if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
2621 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2623 char umode = parameters[1][i];
2624 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2626 dmodes[strlen(dmodes)+1]='\0';
2627 dmodes[strlen(dmodes)] = parameters[1][i];
2628 outpars[strlen(outpars)+1]='\0';
2629 outpars[strlen(outpars)] = parameters[1][i];
2635 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2637 char umode = parameters[1][i];
2638 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2644 outpars[strlen(outpars)+1]='\0';
2645 outpars[strlen(outpars)] = parameters[1][i];
2648 for (q = 0; q < strlen(dmodes); q++)
2650 if (dmodes[q] != parameters[1][i])
2657 strcpy(dmodes,temp);
2664 if (strlen(outpars))
2670 while (i < strlen (outpars))
2672 b[z++] = outpars[i++];
2674 if (i<strlen(outpars)-1)
2676 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2678 // someones playing silly buggers and trying
2679 // to put a +- or -+ into the line...
2683 if (i == strlen(outpars)-1)
2685 if ((outpars[i] == '-') || (outpars[i] == '+'))
2693 if ((b[z] == '-') || (b[z] == '+'))
2696 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
2699 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
2701 if (strlen(dmodes)>MAXMODES)
2703 dmodes[MAXMODES-1] = '\0';
2705 log(DEBUG,"Stripped mode line");
2706 log(DEBUG,"Line dest is now %s",dmodes);
2707 strncpy(dest->modes,dmodes,MAXMODES);
2714 Ptr = FindChan(parameters[0]);
2719 /* just /modes #channel */
2720 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
2721 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
2727 if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
2730 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
2732 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
2734 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
2738 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
2740 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
2744 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false);
2748 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
2755 void server_mode(char **parameters, int pcnt, userrec *user)
2761 char outpars[MAXBUF];
2763 dest = Find(parameters[0]);
2765 // fix: ChroNiCk found this - we cant use this as debug if its null!
2768 log(DEBUG,"server_mode on %s",dest->nick);
2771 if ((dest) && (pcnt > 1))
2773 log(DEBUG,"params > 1");
2775 char dmodes[MAXBUF];
2776 strncpy(dmodes,dest->modes,MAXBUF);
2778 strcpy(outpars,"+");
2781 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2784 for (i = 0; i < strlen(parameters[1]); i++)
2786 if (parameters[1][i] == '+')
2790 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2792 outpars[strlen(outpars)-1] = '+';
2796 strcat(outpars,"+");
2802 if (parameters[1][i] == '-')
2806 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2808 outpars[strlen(outpars)-1] = '-';
2812 strcat(outpars,"-");
2819 log(DEBUG,"begin mode processing entry");
2825 log(DEBUG,"umode %c being added",parameters[1][i]);
2826 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2828 char umode = parameters[1][i];
2829 log(DEBUG,"umode %c is an allowed umode",umode);
2830 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2832 dmodes[strlen(dmodes)+1]='\0';
2833 dmodes[strlen(dmodes)] = parameters[1][i];
2834 outpars[strlen(outpars)+1]='\0';
2835 outpars[strlen(outpars)] = parameters[1][i];
2841 // can only remove a mode they already have
2842 log(DEBUG,"umode %c being removed",parameters[1][i]);
2843 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2845 char umode = parameters[1][i];
2846 log(DEBUG,"umode %c is an allowed umode",umode);
2847 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2853 outpars[strlen(outpars)+1]='\0';
2854 outpars[strlen(outpars)] = parameters[1][i];
2857 for (q = 0; q < strlen(dmodes); q++)
2859 if (dmodes[q] != parameters[1][i])
2866 strcpy(dmodes,temp);
2873 if (strlen(outpars))
2879 while (i < strlen (outpars))
2881 b[z++] = outpars[i++];
2883 if (i<strlen(outpars)-1)
2885 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2887 // someones playing silly buggers and trying
2888 // to put a +- or -+ into the line...
2892 if (i == strlen(outpars)-1)
2894 if ((outpars[i] == '-') || (outpars[i] == '+'))
2902 if ((b[z] == '-') || (b[z] == '+'))
2905 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
2908 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
2910 if (strlen(dmodes)>MAXMODES)
2912 dmodes[MAXMODES-1] = '\0';
2914 log(DEBUG,"Stripped mode line");
2915 log(DEBUG,"Line dest is now %s",dmodes);
2916 strncpy(dest->modes,dmodes,MAXMODES);
2923 Ptr = FindChan(parameters[0]);
2926 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true);
2930 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
2935 /* This function pokes and hacks at a parameter list like the following:
2937 * PART #winbot, #darkgalaxy :m00!
2939 * to turn it into a series of individual calls like this:
2941 * PART #winbot :m00!
2942 * PART #darkgalaxy :m00!
2944 * The seperate calls are sent to a callback function provided by the caller
2945 * (the caller will usually call itself recursively). The callback function
2946 * must be a command handler. Calling this function on a line with no list causes
2947 * no action to be taken. You must provide a starting and ending parameter number
2948 * where the range of the list can be found, useful if you have a terminating
2949 * parameter as above which is actually not part of the list, or parameters
2950 * before the actual list as well. This code is used by many functions which
2951 * can function as "one to list" (see the RFC) */
2953 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
2958 char blog[32][MAXBUF];
2959 char blog2[32][MAXBUF];
2960 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
2961 char keystr[MAXBUF];
2964 for (i = 0; i <32; i++)
2967 for (i = 0; i <32; i++)
2968 strcpy(blog2[i],"");
2971 for (i = 0; i <10; i++)
2975 parameters[i] = moo;
2980 if (pcnt > 1) /* we have a key to copy */
2982 strcpy(keystr,parameters[1]);
2986 if (!parameters[start])
2990 if (!strchr(parameters[start],','))
2995 for (i = start; i <= end; i++)
2999 strcat(plist,parameters[i]);
3007 for (i = 0; i < t; i++)
3009 if (plist[i] == ',')
3012 strcpy(blog[j++],param);
3016 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
3021 strcpy(blog[j++],param);
3024 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
3029 if ((joins) && (keystr))
3031 if (strchr(keystr,','))
3035 t2 = strlen(keystr);
3036 for (i = 0; i < t2; i++)
3038 if (keystr[i] == ',')
3041 strcpy(blog2[j++],param);
3045 strcpy(blog2[j++],param);
3050 for (j = 0; j < total; j++)
3056 for (q = end; q < pcnt-1; q++)
3058 if (parameters[q+1])
3060 pars[q-end+1] = parameters[q+1];
3063 if ((joins) && (parameters[1]))
3074 /* repeatedly call the function with the hacked parameter list */
3075 if ((joins) && (pcnt > 1))
3079 // pars[1] already set up and containing key from blog2[j]
3084 pars[1] = parameters[1];
3090 fn(pars,pcnt-(end-start),u);
3098 void handle_join(char **parameters, int pcnt, userrec *user)
3103 if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
3105 if (parameters[0][0] == '#')
3107 Ptr = add_channel(user,parameters[0],parameters[1]);
3112 void handle_part(char **parameters, int pcnt, userrec *user)
3118 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
3120 del_channel(user,parameters[0],parameters[1]);
3124 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
3126 del_channel(user,parameters[0],NULL);
3130 void handle_kick(char **parameters, int pcnt, userrec *user)
3132 chanrec* Ptr = FindChan(parameters[0]);
3133 userrec* u = Find(parameters[1]);
3137 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3141 if (!has_channel(u,Ptr))
3143 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
3149 char reason[MAXBUF];
3150 strncpy(reason,parameters[2],MAXBUF);
3151 if (strlen(reason)>MAXKICK)
3153 reason[MAXKICK-1] = '\0';
3156 kick_channel(user,u,Ptr,reason);
3160 kick_channel(user,u,Ptr,user->nick);
3165 void handle_die(char **parameters, int pcnt, userrec *user)
3167 log(DEBUG,"die: %s",user->nick);
3168 if (!strcmp(parameters[0],diepass))
3170 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
3176 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
3180 void handle_restart(char **parameters, int pcnt, userrec *user)
3182 log(DEBUG,"restart: %s",user->nick);
3183 if (!strcmp(parameters[0],restartpass))
3185 WriteOpers("*** RESTART command from %s!%s@%s, Pretending to restart till this is finished :D",user->nick,user->ident,user->host);
3188 /* Will finish this later when i can be arsed :) */
3192 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
3197 void kill_link(userrec *user,const char* r)
3199 user_hash::iterator iter = clientlist.find(user->nick);
3201 char reason[MAXBUF];
3203 strncpy(reason,r,MAXBUF);
3205 if (strlen(reason)>MAXQUIT)
3207 reason[MAXQUIT-1] = '\0';
3210 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
3211 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
3212 log(DEBUG,"closing fd %d",user->fd);
3214 /* bugfix, cant close() a nonblocking socket (sux!) */
3215 if (user->registered == 7) {
3216 FOREACH_MOD OnUserQuit(user);
3217 WriteCommonExcept(user,"QUIT :%s",reason);
3220 /* push the socket on a stack of sockets due to be closed at the next opportunity
3221 * 'Client exited' is an exception to this as it means the client side has already
3222 * closed the socket, we don't need to do it.
3224 fd_reap.push_back(user->fd);
3226 bool do_purge = false;
3228 if (user->registered == 7) {
3229 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
3233 if (iter != clientlist.end())
3235 log(DEBUG,"deleting user hash value %d",iter->second);
3236 if ((iter->second) && (user->registered == 7)) {
3237 delete iter->second;
3239 clientlist.erase(iter);
3242 if (user->registered == 7) {
3243 purge_empty_chans();
3250 void handle_kill(char **parameters, int pcnt, userrec *user)
3252 userrec *u = Find(parameters[0]);
3253 char killreason[MAXBUF];
3255 log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
3258 WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
3259 // :Brain!brain@NetAdmin.chatspike.net KILL [Brain] :homer!NetAdmin.chatspike.net!Brain (test kill)
3260 WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
3261 sprintf(killreason,"Killed (%s (%s))",user->nick,parameters[1]);
3262 kill_link(u,killreason);
3266 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3270 void handle_summon(char **parameters, int pcnt, userrec *user)
3272 WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
3275 void handle_users(char **parameters, int pcnt, userrec *user)
3277 WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
3281 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
3283 char* Passwd(userrec *user)
3285 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3287 if (match(user->host,i->host) && (i->type == CC_ALLOW))
3295 bool IsDenied(userrec *user)
3297 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3299 if (match(user->host,i->host) && (i->type == CC_DENY))
3309 void handle_pass(char **parameters, int pcnt, userrec *user)
3311 // Check to make sure they havnt registered -- Fix by FCS
3312 if (user->registered == 7)
3314 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
3317 if (!strcasecmp(parameters[0],Passwd(user)))
3319 user->haspassed = true;
3323 void handle_invite(char **parameters, int pcnt, userrec *user)
3325 userrec* u = Find(parameters[0]);
3326 chanrec* c = FindChan(parameters[1]);
3332 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
3338 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
3347 if (cstatus(user,c) < STATUS_HOP)
3349 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
3353 if (has_channel(u,c))
3355 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
3358 if (!has_channel(user,c))
3360 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
3363 u->InviteTo(c->name);
3364 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
3365 WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
3368 void handle_topic(char **parameters, int pcnt, userrec *user)
3374 if (strlen(parameters[0]) <= CHANMAX)
3376 Ptr = FindChan(parameters[0]);
3381 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
3382 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
3386 WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
3391 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3398 if (strlen(parameters[0]) <= CHANMAX)
3400 Ptr = FindChan(parameters[0]);
3403 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
3405 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
3410 strncpy(topic,parameters[1],MAXBUF);
3411 if (strlen(topic)>MAXTOPIC)
3413 topic[MAXTOPIC-1] = '\0';
3416 strcpy(Ptr->topic,topic);
3417 strcpy(Ptr->setby,user->nick);
3418 Ptr->topicset = time(NULL);
3419 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
3423 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3429 /* sends out an error notice to all connected clients (not to be used
3432 void send_error(char *s)
3434 log(DEBUG,"send_error: %s",s);
3435 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3437 if (isnick(i->second->nick))
3439 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
3443 // fix - unregistered connections receive ERROR, not NOTICE
3444 Write(i->second->fd,"ERROR :%s",s);
3449 void Error(int status)
3451 signal (SIGALRM, SIG_IGN);
3452 signal (SIGPIPE, SIG_IGN);
3453 signal (SIGTERM, SIG_IGN);
3454 signal (SIGABRT, SIG_IGN);
3455 signal (SIGSEGV, SIG_IGN);
3456 signal (SIGURG, SIG_IGN);
3457 signal (SIGKILL, SIG_IGN);
3458 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
3459 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
3464 int main (int argc, char *argv[])
3467 log(DEBUG,"*** InspIRCd starting up!");
3468 if (!FileExists(CONFIG_FILE))
3470 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
3471 log(DEBUG,"main: no config");
3472 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
3476 if (!strcmp(argv[1],"-nofork")) {
3480 if (InspIRCd() == ERROR)
3482 log(DEBUG,"main: daemon function bailed");
3483 printf("ERROR: could not initialise. Shutting down.\n");
3490 template<typename T> inline string ConvToStr(const T &in)
3493 if (!(tmp << in)) return string();
3497 /* re-allocates a nick in the user_hash after they change nicknames,
3498 * returns a pointer to the new user as it may have moved */
3500 userrec* ReHashNick(char* Old, char* New)
3502 user_hash::iterator newnick;
3503 user_hash::iterator oldnick = clientlist.find(Old);
3505 log(DEBUG,"ReHashNick: %s %s",Old,New);
3507 if (!strcasecmp(Old,New))
3509 log(DEBUG,"old nick is new nick, skipping");
3510 return oldnick->second;
3513 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
3515 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
3517 clientlist[New] = new userrec();
3518 clientlist[New] = oldnick->second;
3519 /*delete oldnick->second; */
3520 clientlist.erase(oldnick);
3522 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
3524 return clientlist[New];
3527 /* adds or updates an entry in the whowas list */
3528 void AddWhoWas(userrec* u)
3530 user_hash::iterator iter = whowas.find(u->nick);
3531 userrec *a = new userrec();
3532 strcpy(a->nick,u->nick);
3533 strcpy(a->ident,u->ident);
3534 strcpy(a->dhost,u->dhost);
3535 strcpy(a->host,u->host);
3536 strcpy(a->fullname,u->fullname);
3537 strcpy(a->server,u->server);
3538 a->signon = u->signon;
3540 /* MAX_WHOWAS: max number of /WHOWAS items
3541 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
3542 * can be replaced by a newer one
3545 if (iter == whowas.end())
3547 if (whowas.size() == WHOWAS_MAX)
3549 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
3551 // 3600 seconds in an hour ;)
3552 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
3556 log(DEBUG,"added WHOWAS entry, purged an old record");
3563 log(DEBUG,"added fresh WHOWAS entry");
3564 whowas[a->nick] = a;
3569 log(DEBUG,"updated WHOWAS entry");
3570 delete iter->second;
3576 /* add a client connection to the sockets list */
3577 void AddClient(int socket, char* host, int port, bool iscached)
3581 char resolved[MAXBUF];
3584 user_hash::iterator iter;
3586 tempnick = ConvToStr(socket) + "-unknown";
3587 sprintf(tn2,"%d-unknown",socket);
3589 iter = clientlist.find(tempnick);
3591 if (iter != clientlist.end()) return;
3594 * It is OK to access the value here this way since we know
3595 * it exists, we just created it above.
3597 * At NO other time should you access a value in a map or a
3598 * hash_map this way.
3600 clientlist[tempnick] = new userrec();
3602 NonBlocking(socket);
3603 log(DEBUG,"AddClient: %d %s %d",socket,host,port);
3605 clientlist[tempnick]->fd = socket;
3606 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
3607 strncpy(clientlist[tempnick]->host, host,160);
3608 strncpy(clientlist[tempnick]->dhost, host,160);
3609 strncpy(clientlist[tempnick]->server, ServerName,256);
3610 strncpy(clientlist[tempnick]->ident, "unknown",9);
3611 clientlist[tempnick]->registered = 0;
3612 clientlist[tempnick]->signon = time(NULL);
3613 clientlist[tempnick]->nping = time(NULL)+240;
3614 clientlist[tempnick]->lastping = 1;
3615 clientlist[tempnick]->port = port;
3619 WriteServ(socket,"NOTICE Auth :Found your hostname (cached)...");
3623 WriteServ(socket,"NOTICE Auth :Looking up your hostname...");
3626 // set the registration timeout for this user
3627 unsigned long class_regtimeout = 90;
3628 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3630 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
3632 class_regtimeout = (unsigned long)i->registration_timeout;
3637 int class_flood = 0;
3638 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
3640 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
3642 class_flood = i->flood;
3647 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
3648 clientlist[tempnick]->flood = class_flood;
3650 if (clientlist.size() == MAXCLIENTS)
3651 kill_link(clientlist[tempnick],"No more connections allowed in this class");
3654 void handle_names(char **parameters, int pcnt, userrec *user)
3658 if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
3660 c = FindChan(parameters[0]);
3663 /*WriteServ(user->fd,"353 %s = %s :%s", user->nick, c->name,*/
3665 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
3669 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3674 void handle_privmsg(char **parameters, int pcnt, userrec *user)
3679 user->idle_lastmsg = time(NULL);
3681 if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
3683 if (parameters[0][0] == '#')
3685 chan = FindChan(parameters[0]);
3688 if ((chan->noexternal) && (!has_channel(user,chan)))
3690 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
3693 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
3695 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
3701 FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
3706 ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
3710 /* no such nick/channel */
3711 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3716 dest = Find(parameters[0]);
3719 if (strcmp(dest->awaymsg,""))
3721 /* auto respond with aweh msg */
3722 WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
3727 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,std::string(parameters[1])));
3732 WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
3736 /* no such nick/channel */
3737 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3741 void handle_notice(char **parameters, int pcnt, userrec *user)
3746 user->idle_lastmsg = time(NULL);
3748 if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
3750 if (parameters[0][0] == '#')
3752 chan = FindChan(parameters[0]);
3755 if ((chan->noexternal) && (!has_channel(user,chan)))
3757 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
3760 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
3762 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
3768 FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
3773 WriteChannel(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
3777 /* no such nick/channel */
3778 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3783 dest = Find(parameters[0]);
3788 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,std::string(parameters[1])));
3793 WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
3797 /* no such nick/channel */
3798 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3804 char* chlist(userrec *user)
3809 log(DEBUG,"chlist: %s",user->nick);
3815 for (i = 0; i != MAXCHANS; i++)
3817 if (user->chans[i].channel != NULL)
3819 if (user->chans[i].channel->name)
3821 strcpy(cmp,user->chans[i].channel->name);
3823 if (!strstr(lst,cmp))
3825 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
3827 strcat(lst,cmode(user,user->chans[i].channel));
3828 strcat(lst,user->chans[i].channel->name);
3838 void handle_info(char **parameters, int pcnt, userrec *user)
3840 WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
3841 WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
3842 WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
3843 FOREACH_MOD OnInfo(user);
3844 WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
3847 void handle_time(char **parameters, int pcnt, userrec *user)
3850 struct tm * timeinfo;
3853 timeinfo = localtime ( &rawtime );
3854 WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
3858 void handle_whois(char **parameters, int pcnt, userrec *user)
3863 if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
3865 dest = Find(parameters[0]);
3868 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
3869 if (dest->registered == 7)
3871 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
3872 if ((user == dest) || (strchr(user->modes,'o')))
3874 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
3876 if (strcmp(chlist(dest),""))
3878 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
3880 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, ServerDesc);
3881 if (strcmp(dest->awaymsg,""))
3883 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
3885 if (strchr(dest->modes,'o'))
3887 WriteServ(user->fd,"313 %s %s :is an IRC operator",user->nick, dest->nick);
3889 FOREACH_MOD OnWhois(user,dest);
3890 //WriteServ(user->fd,"310 %s %s :is available for help.",user->nick, dest->nick);
3891 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-time(NULL)), dest->signon);
3893 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
3897 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3902 /* no such nick/channel */
3903 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3907 void handle_quit(char **parameters, int pcnt, userrec *user)
3909 user_hash::iterator iter = clientlist.find(user->nick);
3912 if (user->registered == 7)
3914 /* theres more to do here, but for now just close the socket */
3917 if (parameters[0][0] == ':')
3921 reason = parameters[0];
3923 if (strlen(reason)>MAXQUIT)
3925 reason[MAXQUIT-1] = '\0';
3928 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
3929 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
3930 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
3934 Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
3935 WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
3936 WriteCommonExcept(user,"QUIT :Client exited");
3938 FOREACH_MOD OnUserQuit(user);
3942 /* push the socket on a stack of sockets due to be closed at the next opportunity */
3943 fd_reap.push_back(user->fd);
3945 if (iter != clientlist.end())
3947 log(DEBUG,"deleting user hash value %d",iter->second);
3948 if ((iter->second) && (user->registered == 7)) {
3949 delete iter->second;
3951 clientlist.erase(iter);
3954 if (user->registered == 7) {
3955 purge_empty_chans();
3961 void handle_who(char **parameters, int pcnt, userrec *user)
3963 chanrec* Ptr = NULL;
3965 /* theres more to do here, but for now just close the socket */
3968 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
3970 if (user->chans[0].channel)
3972 Ptr = user->chans[0].channel;
3973 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3975 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
3977 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, i->second->fullname);
3983 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
3987 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, user->nick);
3991 if (parameters[0][0] == '#')
3993 Ptr = FindChan(parameters[0]);
3996 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
3998 if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
4000 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, i->second->fullname);
4003 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4007 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4012 userrec* u = Find(parameters[0]);
4013 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, u->nick, u->ident, u->dhost, u->server, u->nick, u->fullname);
4018 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
4020 Ptr = user->chans[0].channel;
4021 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4023 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
4025 if (strchr(i->second->modes,'o'))
4027 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, i->second->fullname);
4031 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4037 void handle_wallops(char **parameters, int pcnt, userrec *user)
4039 WriteWallOps(user,"%s",parameters[0]);
4042 void handle_list(char **parameters, int pcnt, userrec *user)
4046 WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
4047 for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
4049 if ((!i->second->c_private) && (!i->second->secret))
4051 WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
4054 WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
4058 void handle_rehash(char **parameters, int pcnt, userrec *user)
4060 WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
4062 FOREACH_MOD OnRehash();
4063 WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
4069 return clientlist.size();
4073 int usercount_invisible(void)
4077 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4079 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
4084 int usercount_opers(void)
4088 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4090 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
4095 int usercount_unknown(void)
4099 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4101 if ((i->second->fd) && (i->second->registered != 7))
4109 return chanlist.size();
4112 int servercount(void)
4117 void handle_lusers(char **parameters, int pcnt, userrec *user)
4119 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
4120 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
4121 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
4122 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
4123 WriteServ(user->fd,"254 %s :I have %d clients and 0 servers",user->nick,usercnt());
4126 void handle_admin(char **parameters, int pcnt, userrec *user)
4128 WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
4129 WriteServ(user->fd,"257 %s :Name - %s",user->nick,AdminName);
4130 WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
4131 WriteServ(user->fd,"258 %s :E-Mail - %s",user->nick,AdminEmail);
4134 void ShowMOTD(userrec *user)
4138 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
4141 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
4142 for (int i = 0; i != MOTD.size(); i++)
4144 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
4146 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
4149 void ShowRULES(userrec *user)
4153 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
4156 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
4157 for (int i = 0; i != RULES.size(); i++)
4159 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
4161 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
4164 /* shows the message of the day, and any other on-logon stuff */
4165 void ConnectUser(userrec *user)
4167 user->registered = 7;
4168 user->idle_lastmsg = time(NULL);
4169 log(DEBUG,"ConnectUser: %s",user->nick);
4171 if (strcmp(Passwd(user),"") && (!user->haspassed))
4173 kill_link(user,"Invalid password");
4178 kill_link(user,"Unauthorised connection");
4182 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
4183 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
4184 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
4185 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
4186 WriteServ(user->fd,"004 %s :%s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
4187 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);
4188 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);
4190 FOREACH_MOD OnUserConnect(user);
4191 WriteOpers("*** Client connecting on port %d: %s!%s@%s",user->port,user->nick,user->ident,user->host);
4194 void handle_version(char **parameters, int pcnt, userrec *user)
4196 WriteServ(user->fd,"351 %s :%s %s %s :%s",user->nick,VERSION,"$Revision$ $Date$",ServerName,SYSTEM);
4199 void handle_ping(char **parameters, int pcnt, userrec *user)
4201 WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
4204 void handle_pong(char **parameters, int pcnt, userrec *user)
4206 // set the user as alive so they survive to next ping
4210 void handle_motd(char **parameters, int pcnt, userrec *user)
4215 void handle_rules(char **parameters, int pcnt, userrec *user)
4220 void handle_user(char **parameters, int pcnt, userrec *user)
4222 if (user->registered < 3)
4224 if (isident(parameters[0]) == 0) {
4225 // This kinda Sucks, According to the RFC thou, its either this,
4226 // or "You have already registered" :p -- Craig
4227 WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
4230 WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
4231 strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
4232 strncat(user->ident,parameters[0],IDENTMAX);
4233 strncpy(user->fullname,parameters[3],128);
4234 user->registered = (user->registered | 1);
4239 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
4242 /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
4243 if (user->registered == 3)
4245 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
4250 void handle_userhost(char **parameters, int pcnt, userrec *user)
4252 char Return[MAXBUF],junk[MAXBUF];
4253 sprintf(Return,"302 %s :",user->nick);
4254 for (int i = 0; i < pcnt; i++)
4256 userrec *u = Find(parameters[i]);
4259 if (strchr(u->modes,'o'))
4261 sprintf(junk,"%s*=+%s@%s ",u->nick,u->ident,u->host);
4262 strcat(Return,junk);
4266 sprintf(junk,"%s=+%s@%s ",u->nick,u->ident,u->host);
4267 strcat(Return,junk);
4271 WriteServ(user->fd,Return);
4275 void handle_ison(char **parameters, int pcnt, userrec *user)
4277 char Return[MAXBUF];
4278 sprintf(Return,"303 %s :",user->nick);
4279 for (int i = 0; i < pcnt; i++)
4281 userrec *u = Find(parameters[i]);
4284 strcat(Return,u->nick);
4288 WriteServ(user->fd,Return);
4292 void handle_away(char **parameters, int pcnt, userrec *user)
4296 strcpy(user->awaymsg,parameters[0]);
4297 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
4301 strcpy(user->awaymsg,"");
4302 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
4306 void handle_whowas(char **parameters, int pcnt, userrec* user)
4308 user_hash::iterator i = whowas.find(parameters[0]);
4310 if (i == whowas.end())
4312 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
4313 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
4317 time_t rawtime = i->second->signon;
4321 timeinfo = localtime(&rawtime);
4322 strcpy(b,asctime(timeinfo));
4323 b[strlen(b)-1] = '\0';
4325 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
4326 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
4327 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
4332 void handle_trace(char **parameters, int pcnt, userrec *user)
4334 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
4338 if (isnick(i->second->nick))
4340 if (strchr(i->second->modes,'o'))
4342 WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
4346 WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
4351 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
4357 void handle_modules(char **parameters, int pcnt, userrec *user)
4359 for (int i = 0; i < module_names.size(); i++)
4361 Version V = modules[i]->GetVersion();
4362 char modulename[MAXBUF];
4363 strncpy(modulename,module_names[i].c_str(),256);
4364 WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename));
4368 void handle_stats(char **parameters, int pcnt, userrec *user)
4374 if (strlen(parameters[0])>1)
4376 /* make the stats query 1 character long */
4377 parameters[0][1] = '\0';
4380 /* stats m (list number of times each command has been used, plus bytecount) */
4381 if (!strcasecmp(parameters[0],"m"))
4383 for (int i = 0; i < cmdlist.size(); i++)
4385 if (cmdlist[i].handler_function)
4387 if (cmdlist[i].use_count)
4389 /* RPL_STATSCOMMANDS */
4390 WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
4397 /* stats z (debug and memory info) */
4398 if (!strcasecmp(parameters[0],"z"))
4400 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
4401 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
4402 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
4403 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
4404 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
4405 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
4406 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
4407 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
4411 if (!strcasecmp(parameters[0],"o"))
4413 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
4415 char LoginName[MAXBUF];
4416 char HostName[MAXBUF];
4417 char OperType[MAXBUF];
4418 ConfValue("oper","name",i,LoginName,&config_f);
4419 ConfValue("oper","host",i,HostName,&config_f);
4420 ConfValue("oper","type",i,OperType,&config_f);
4421 WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
4425 /* stats l (show user I/O stats) */
4426 if (!strcasecmp(parameters[0],"l"))
4428 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
4429 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
4431 if (isnick(i->second->nick))
4433 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);
4437 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);
4443 /* stats u (show server uptime) */
4444 if (!strcasecmp(parameters[0],"u"))
4446 time_t current_time = 0;
4447 current_time = time(NULL);
4448 time_t server_uptime = current_time - startup_time;
4450 stime = gmtime(&server_uptime);
4451 /* i dont know who the hell would have an ircd running for over a year nonstop, but
4452 * Craig suggested this, and it seemed a good idea so in it went */
4453 if (stime->tm_year > 70)
4455 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);
4459 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);
4463 WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
4464 WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
4468 void handle_connect(char **parameters, int pcnt, userrec *user)
4470 char Link_ServerName[1024];
4471 char Link_IPAddr[1024];
4472 char Link_Port[1024];
4473 char Link_Pass[1024];
4477 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
4479 ConfValue("link","name",i,Link_ServerName,&config_f);
4480 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
4481 ConfValue("link","port",i,Link_Port,&config_f);
4482 ConfValue("link","sendpass",i,Link_Pass,&config_f);
4483 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
4484 LinkPort = atoi(Link_Port);
4485 if (match(Link_ServerName,parameters[0])) {
4491 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
4495 // TODO: Perform a check here to stop a server being linked twice!
4497 WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
4499 if (me[defaultRoute])
4502 // at this point parameters[0] is an ip in a string.
4503 // TODO: Look this up from the <link> blocks instead!
4504 for (int j = 0; j < 255; j++) {
4505 if (servers[j] == NULL) {
4506 servers[j] = new serverrec;
4507 strcpy(servers[j]->internal_addr,Link_IPAddr);
4508 strcpy(servers[j]->name,Link_ServerName);
4509 log(DEBUG,"Allocated new serverrec");
4510 if (!me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass))
4512 WriteServ(user->fd,"NOTICE %s :*** Failed to send auth packet to %s!",user->nick,Link_IPAddr);
4517 WriteServ(user->fd,"NOTICE %s :*** Failed to create server record for address %s!",user->nick,Link_IPAddr);
4521 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);
4525 void handle_squit(char **parameters, int pcnt, userrec *user)
4527 // send out an squit across the mesh and then clear the server list (for local squit)
4530 void handle_oper(char **parameters, int pcnt, userrec *user)
4532 char LoginName[MAXBUF];
4533 char Password[MAXBUF];
4534 char OperType[MAXBUF];
4535 char TypeName[MAXBUF];
4536 char Hostname[MAXBUF];
4539 for (i = 0; i < ConfValueEnum("oper",&config_f); i++)
4541 ConfValue("oper","name",i,LoginName,&config_f);
4542 ConfValue("oper","password",i,Password,&config_f);
4543 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])))
4545 /* correct oper credentials */
4546 ConfValue("oper","type",i,OperType,&config_f);
4547 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
4548 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
4549 WriteServ(user->fd,"MODE %s :+o",user->nick);
4550 for (j =0; j < ConfValueEnum("type",&config_f); j++)
4552 ConfValue("type","name",j,TypeName,&config_f);
4553 if (!strcmp(TypeName,OperType))
4555 /* found this oper's opertype */
4556 ConfValue("type","host",j,Hostname,&config_f);
4557 strncpy(user->dhost,Hostname,256);
4560 if (!strchr(user->modes,'o'))
4562 strcat(user->modes,"o");
4564 FOREACH_MOD OnOper(user);
4569 WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
4570 WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
4573 void handle_nick(char **parameters, int pcnt, userrec *user)
4577 log(DEBUG,"not enough params for handle_nick");
4582 log(DEBUG,"invalid parameter passed to handle_nick");
4585 if (!strlen(parameters[0]))
4587 log(DEBUG,"zero length new nick passed to handle_nick");
4592 log(DEBUG,"invalid user passed to handle_nick");
4597 log(DEBUG,"invalid old nick passed to handle_nick");
4600 if (!strcasecmp(user->nick,parameters[0]))
4602 log(DEBUG,"old nick is new nick, skipping");
4607 if (strlen(parameters[0]) > 1)
4609 if (parameters[0][0] == ':')
4614 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
4616 WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
4620 if (isnick(parameters[0]) == 0)
4622 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
4626 if (user->registered == 7)
4628 WriteCommon(user,"NICK %s",parameters[0]);
4631 /* change the nick of the user in the users_hash */
4632 user = ReHashNick(user->nick, parameters[0]);
4633 /* actually change the nick within the record */
4635 if (!user->nick) return;
4637 strncpy(user->nick, parameters[0],NICKMAX);
4639 log(DEBUG,"new nick set: %s",user->nick);
4641 if (user->registered < 3)
4642 user->registered = (user->registered | 2);
4643 if (user->registered == 3)
4645 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
4648 log(DEBUG,"exit nickchange: %s",user->nick);
4651 void force_nickchange(userrec* user,const char* newnick)
4660 strncpy(nick,newnick,MAXBUF);
4662 if (user->registered == 7)
4666 handle_nick(pars,1,user);
4672 int process_parameters(char **command_p,char *parameters)
4677 q = strlen(parameters);
4680 /* no parameters, command_p invalid! */
4683 if (parameters[0] == ':')
4685 command_p[0] = parameters+1;
4690 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
4692 /* only one parameter */
4693 command_p[0] = parameters;
4694 if (parameters[0] == ':')
4696 if (strchr(parameters,' ') != NULL)
4704 command_p[j++] = parameters;
4705 for (i = 0; i <= q; i++)
4707 if (parameters[i] == ' ')
4709 command_p[j++] = parameters+i+1;
4710 parameters[i] = '\0';
4711 if (command_p[j-1][0] == ':')
4713 *command_p[j-1]++; /* remove dodgy ":" */
4715 /* parameter like this marks end of the sequence */
4719 return j; /* returns total number of items in the list */
4722 void process_command(userrec *user, char* cmd)
4726 char *command_p[127];
4727 char p[MAXBUF], temp[MAXBUF];
4728 int i, j, items, cmd_found;
4730 for (int i = 0; i < 127; i++)
4731 command_p[i] = NULL;
4741 if (!strcmp(cmd,""))
4746 int total_params = 0;
4749 for (int q = 0; q < strlen(cmd)-1; q++)
4751 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
4754 // found a 'trailing', we dont count them after this.
4762 // another phidjit bug...
4763 if (total_params > 126)
4765 kill_link(user,"Protocol violation (1)");
4772 FOREACH_MOD OnServerRaw(tmp,true);
4773 const char* cmd2 = tmp.c_str();
4774 snprintf(cmd,512,"%s",cmd2);
4776 if (!strchr(cmd,' '))
4778 /* no parameters, lets skip the formalities and not chop up
4780 log(DEBUG,"About to preprocess command with no params");
4782 command_p[0] = NULL;
4784 for (int i = 0; i <= strlen(cmd); i++)
4786 cmd[i] = toupper(cmd[i]);
4788 log(DEBUG,"Preprocess done length=%d",strlen(cmd));
4795 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
4796 for (i = 0; i < strlen(temp); i++)
4798 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
4804 /* split the full string into a command plus parameters */
4808 if (strchr(cmd,' '))
4810 for (i = 0; i <= strlen(cmd); i++)
4812 /* capitalise the command ONLY, leave params intact */
4813 cmd[i] = toupper(cmd[i]);
4814 /* are we nearly there yet?! :P */
4818 parameters = cmd+i+1;
4826 for (i = 0; i <= strlen(cmd); i++)
4828 cmd[i] = toupper(cmd[i]);
4835 if (strlen(command)>MAXCOMMAND)
4837 kill_link(user,"Protocol violation (2)");
4841 for (int x = 0; x < strlen(command); x++)
4843 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
4845 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
4847 if (strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
4849 kill_link(user,"Protocol violation (3)");
4856 for (i = 0; i != cmdlist.size(); i++)
4858 if (strcmp(cmdlist[i].command,""))
4860 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
4862 log(DEBUG,"Found matching command");
4866 if (strcmp(parameters,""))
4868 items = process_parameters(command_p,parameters);
4873 command_p[0] = NULL;
4879 command_p[0] = NULL;
4884 log(DEBUG,"Processing command");
4886 /* activity resets the ping pending timer */
4887 user->nping = time(NULL) + 120;
4888 if ((items) < cmdlist[i].min_params)
4890 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
4891 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
4894 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
4896 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
4897 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
4901 /* if the command isnt USER, PASS, or NICK, and nick is empty,
4903 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
4905 if ((!isnick(user->nick)) || (user->registered != 7))
4907 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
4908 WriteServ(user->fd,"451 %s :You have not registered",command);
4912 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
4914 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
4915 if (cmdlist[i].handler_function)
4917 /* ikky /stats counters */
4922 user->bytes_in += strlen(temp);
4925 cmdlist[i].use_count++;
4926 cmdlist[i].total_bytes+=strlen(temp);
4929 /* WARNING: nothing may come after the
4930 * command handler call, as the handler
4931 * may free the user structure! */
4933 cmdlist[i].handler_function(command_p,items,user);
4939 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
4940 WriteServ(user->fd,"451 %s :You have not registered",command);
4948 if ((!cmd_found) && (user))
4950 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
4951 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
4956 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
4959 /* create the command and push it onto the table */
4960 strcpy(comm.command,cmd);
4961 comm.handler_function = f;
4962 comm.flags_needed = flags;
4963 comm.min_params = minparams;
4965 comm.total_bytes = 0;
4966 cmdlist.push_back(comm);
4967 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
4970 void SetupCommandTable(void)
4972 createcommand("USER",handle_user,0,4);
4973 createcommand("NICK",handle_nick,0,1);
4974 createcommand("QUIT",handle_quit,0,0);
4975 createcommand("VERSION",handle_version,0,0);
4976 createcommand("PING",handle_ping,0,1);
4977 createcommand("PONG",handle_pong,0,1);
4978 createcommand("ADMIN",handle_admin,0,0);
4979 createcommand("PRIVMSG",handle_privmsg,0,2);
4980 createcommand("INFO",handle_info,0,0);
4981 createcommand("TIME",handle_time,0,0);
4982 createcommand("WHOIS",handle_whois,0,1);
4983 createcommand("WALLOPS",handle_wallops,'o',1);
4984 createcommand("NOTICE",handle_notice,0,2);
4985 createcommand("JOIN",handle_join,0,1);
4986 createcommand("NAMES",handle_names,0,1);
4987 createcommand("PART",handle_part,0,1);
4988 createcommand("KICK",handle_kick,0,2);
4989 createcommand("MODE",handle_mode,0,1);
4990 createcommand("TOPIC",handle_topic,0,1);
4991 createcommand("WHO",handle_who,0,1);
4992 createcommand("MOTD",handle_motd,0,0);
4993 createcommand("RULES",handle_rules,0,0);
4994 createcommand("OPER",handle_oper,0,2);
4995 createcommand("LIST",handle_list,0,0);
4996 createcommand("DIE",handle_die,'o',1);
4997 createcommand("RESTART",handle_restart,'o',1);
4998 createcommand("KILL",handle_kill,'o',2);
4999 createcommand("REHASH",handle_rehash,'o',0);
5000 createcommand("LUSERS",handle_lusers,0,0);
5001 createcommand("STATS",handle_stats,0,1);
5002 createcommand("USERHOST",handle_userhost,0,1);
5003 createcommand("AWAY",handle_away,0,0);
5004 createcommand("ISON",handle_ison,0,0);
5005 createcommand("SUMMON",handle_summon,0,0);
5006 createcommand("USERS",handle_users,0,0);
5007 createcommand("INVITE",handle_invite,0,2);
5008 createcommand("PASS",handle_pass,0,1);
5009 createcommand("TRACE",handle_trace,'o',0);
5010 createcommand("WHOWAS",handle_whowas,0,1);
5011 createcommand("CONNECT",handle_connect,'o',1);
5012 createcommand("SQUIT",handle_squit,'o',1);
5013 createcommand("MODULES",handle_modules,'o',0);
5016 void process_buffer(const char* cmdbuf,userrec *user)
5020 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
5027 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
5030 if (!strcmp(cmdbuf,""))
5034 strncpy(cmd,cmdbuf,MAXBUF);
5035 if (!strcmp(cmd,""))
5039 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
5041 cmd[strlen(cmd)-1] = '\0';
5043 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
5045 cmd[strlen(cmd)-1] = '\0';
5047 if (!strcmp(cmd,""))
5051 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
5053 if ((user) && (cmd))
5055 process_command(user,cmd);
5059 void DoSync(serverrec* serv, char* udp_host,int udp_port, long MyKey)
5062 // send start of sync marker: Y <timestamp>
5063 snprintf(data,MAXBUF,"Y %d",time(NULL));
5064 serv->SendPacket(data,udp_host,udp_port,MyKey);
5065 // send users and channels
5066 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
5068 snprintf(data,MAXBUF,"N %d %s %s %s %s %s %s :%s",u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->modes,u->second->server,u->second->fullname);
5069 serv->SendPacket(data,udp_host,udp_port,MyKey);
5070 if (strcmp(chlist(u->second),""))
5072 snprintf(data,MAXBUF,"J %s :%s",u->second->nick,chlist(u->second));
5073 serv->SendPacket(data,udp_host,udp_port,MyKey);
5076 // send channel modes, topics etc...
5077 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
5079 snprintf(data,MAXBUF,"C %s %d %s :%s",c->second->name,c->second->created,c->second->setby,chanmodes(c->second));
5080 serv->SendPacket(data,udp_host,udp_port,MyKey);
5081 if (strcmp(c->second->topic,""))
5083 snprintf(data,MAXBUF,"T %d %s :%s",c->second->topicset,c->second->name,c->second->topic);
5085 serv->SendPacket(data,udp_host,udp_port,MyKey);
5086 // send current banlist
5088 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
5090 snprintf(data,MAXBUF,"M %d %s +b %s",b->set_time,c->second->name,b->data);
5091 serv->SendPacket(data,udp_host,udp_port,MyKey);
5094 // send end of sync marker: E <timestamp>
5095 snprintf(data,MAXBUF,"F %d",time(NULL));
5096 serv->SendPacket(data,udp_host,udp_port,MyKey);
5100 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,int udp_port)
5102 log(DEBUG,"Sync: Received an 'N' packet, processing");
5103 char* tm = strtok(params," ");
5104 char* nick = strtok(params," ");
5105 char* host = strtok(params," ");
5106 char* dhost = strtok(params," ");
5107 char* ident = strtok(params," ");
5108 char* modes = strtok(params," ");
5109 char* server = strtok(params," ");
5110 char* gecos = strchr(params,':') + 1;
5111 time_t TS = atoi(tm);
5112 user_hash::iterator iter = clientlist.find(nick);
5113 if (iter != clientlist.end())
5116 // TODO: make this work!
5117 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
5120 clientlist[nick] = new userrec();
5121 // remote users have an fd of -1. This is so that our Write abstraction
5122 // routines know to route any messages to this record away to whatever server
5124 clientlist[nick]->fd = -1;
5125 strncpy(clientlist[nick]->nick, nick,NICKMAX);
5126 strncpy(clientlist[nick]->host, host,160);
5127 strncpy(clientlist[nick]->dhost, dhost,160);
5128 strncpy(clientlist[nick]->server, server,256);
5129 strncpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for '~'
5130 clientlist[nick]->signon = TS;
5131 clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
5132 clientlist[nick]->lastping = 1;
5133 clientlist[nick]->port = 0; // so is this...
5134 clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
5135 clientlist[nick]->idle_lastmsg = time(NULL); // this will have to update as they pm us,
5136 // so a user wont need /WHOIS <nick> <server> to find it
5137 // but it may be slightly different over the net
5138 // (a couple of seconds at most)
5139 log(DEBUG,"Sync: Added %s",nick);
5143 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,int udp_port)
5151 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
5152 // introduce remote client
5154 handle_N(token,params,source,reply,udp_host,udp_port);
5155 log(DEBUG,"Sync: exit 1");
5157 // J <NICK> :<CHANLIST>
5158 // Join user to channel list, merge channel permissions
5161 // C <CHANNEL> <TS> <TOPICSETTER> :<MODES>
5162 // initialise channel (netburst only)
5165 // T <TS> <CHANNEL> :<TOPIC>
5166 // change channel topic (netburst only)
5169 // M <TS> <TARGET> <MODES> [MODE-PARAMETERS]
5170 // Set modes on an object
5179 WriteOpers("WARNING! Unknown datagram type '%c'",token);
5185 void handle_link_packet(long theirkey, char* udp_msg, char* udp_host, int udp_port, serverrec *serv)
5187 char response[10240];
5188 char token = udp_msg[0];
5189 char* params = udp_msg + 2;
5190 char finalparam[1024];
5191 strcpy(finalparam," :xxxx");
5192 if (strstr(params," :")) {
5193 strncpy(finalparam,strstr(params," :"),1024);
5196 // S test.chatspike.net password :ChatSpike InspIRCd test server
5197 char* servername = strtok(params," ");
5198 char* password = strtok(NULL," ");
5199 char* serverdesc = finalparam+2;
5200 WriteOpers("CONNECT from %s (%s)",servername,udp_host,password,serverdesc);
5203 char Link_ServerName[1024];
5204 char Link_IPAddr[1024];
5205 char Link_Port[1024];
5206 char Link_Pass[1024];
5207 char Link_SendPass[1024];
5210 // search for a corresponding <link> block in the config files
5211 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
5213 ConfValue("link","name",i,Link_ServerName,&config_f);
5214 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
5215 ConfValue("link","port",i,Link_Port,&config_f);
5216 ConfValue("link","recvpass",i,Link_Pass,&config_f);
5217 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
5218 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5219 LinkPort = atoi(Link_Port);
5220 if (!strcasecmp(Link_ServerName,servername)) {
5221 if (!strcasecmp(Link_IPAddr,udp_host)) {
5222 if (LinkPort == udp_port) {
5223 // we have a matching link line -
5224 // send a 'diminutive' server message back...
5225 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
5226 serv->SendPacket(response,udp_host,udp_port,0);
5227 WriteOpers("CONNECT from %s accepted, authenticating",servername);
5228 for (int j = 0; j < 255; j++) {
5229 if (servers[j] == NULL) {
5230 servers[j] = new serverrec;
5231 strcpy(servers[j]->internal_addr,udp_host);
5232 strcpy(servers[j]->name,servername);
5233 // create a server record for this server
5234 snprintf(response,10240,"O %d",MyKey);
5235 serv->SendPacket(response,udp_host,udp_port,0);
5239 WriteOpers("Internal error connecting to %s, failed to create server record!",servername);
5243 log(DEBUG,"Port numbers '%d' and '%d' don't match",LinkPort,udp_port);
5247 log(DEBUG,"IP Addresses '%s' and '%s' don't match",Link_IPAddr,udp_host);
5251 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
5254 serv->SendPacket("E :Access is denied (no matching link block)",udp_host,udp_port,0);
5255 WriteOpers("CONNECT from %s denied, no matching link block",servername);
5260 // if this is received, this means the server-ip that sent it said "OK" to credentials.
5261 // only when a server says this do we exchange keys. The server MUST have an entry in the servers
5262 // array, which is only added by an 'S' packet or BeginLink().
5263 for (int i = 0; i < 255; i++) {
5264 if (servers[i] != NULL) {
5265 if (!strcasecmp(servers[i]->internal_addr,udp_host)) {
5266 servers[i]->key = atoi(params);
5267 log(DEBUG,"Key for this server is now %d",servers[i]->key);
5268 DoSync(serv,udp_host,udp_port,MyKey);
5273 WriteOpers("\2WARNING!\2 Server ip %s attempted a key exchange, but is not in the authentication state! Possible intrusion attempt!",udp_host);
5277 // S test.chatspike.net password :ChatSpike InspIRCd test server
5278 char* servername = strtok(params," ");
5279 char* password = strtok(NULL," ");
5280 char* serverdesc = finalparam+2;
5282 // TODO: we should do a check here to ensure that this server is one we recently initiated a
5283 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
5284 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
5285 // a connect, so put out an oper alert!
5290 // for now, just accept all, we'll fix that later.
5291 WriteOpers("%s accepted our link credentials ",servername);
5293 char Link_ServerName[1024];
5294 char Link_IPAddr[1024];
5295 char Link_Port[1024];
5296 char Link_Pass[1024];
5297 char Link_SendPass[1024];
5300 // search for a corresponding <link> block in the config files
5301 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
5303 ConfValue("link","name",i,Link_ServerName,&config_f);
5304 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
5305 ConfValue("link","port",i,Link_Port,&config_f);
5306 ConfValue("link","recvpass",i,Link_Pass,&config_f);
5307 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
5308 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5309 LinkPort = atoi(Link_Port);
5310 if (!strcasecmp(Link_ServerName,servername)) {
5311 if (!strcasecmp(Link_IPAddr,udp_host)) {
5312 if (LinkPort == udp_port) {
5313 // matching link at this end too, we're all done!
5314 // at this point we must begin key exchange and insert this
5315 // server into our 'active' table.
5316 for (int j = 0; j < 255; j++) {
5317 if (servers[j] != NULL) {
5318 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5319 WriteOpers("Server %s authenticated, exchanging server keys...",servername);
5320 snprintf(response,10240,"O %d",MyKey);
5321 serv->SendPacket(response,udp_host,udp_port,0);
5326 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",udp_host);
5331 log(DEBUG,"Port numbers '%d' and '%d' don't match",LinkPort,udp_port);
5335 log(DEBUG,"IP Addresses '%s' and '%s' don't match",Link_IPAddr,udp_host);
5339 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
5342 serv->SendPacket("E :Access is denied (no matching link block)",udp_host,udp_port,0);
5343 WriteOpers("CONNECT from %s denied, no matching link block",servername);
5348 char* error_message = finalparam+2;
5349 WriteOpers("ERROR from %s: %s",udp_host,error_message);
5350 // remove this server from any lists
5351 for (int j = 0; j < 255; j++) {
5352 if (servers[j] != NULL) {
5353 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5363 serverrec* source_server = NULL;
5365 for (int j = 0; j < 255; j++) {
5366 if (servers[j] != NULL) {
5367 if (!strcasecmp(servers[j]->internal_addr,udp_host)) {
5368 if (servers[j]->key == theirkey) {
5369 // found a valid key for this server, can process restricted stuff here
5370 process_restricted_commands(token,params,servers[j],serv,udp_host,udp_port);
5371 log(DEBUG,"Sync: exit 2");
5378 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s:%d: %c",udp_host,udp_port,token);
5382 int reap_counter = 0;
5386 struct sockaddr_in client, server;
5387 char addrs[MAXBUF][255];
5388 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
5390 int count = 0, scanDetectTrigger = TRUE, showBanner = FALSE;
5391 int selectResult = 0, selectResult2 = 0;
5392 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
5393 char resolvedHost[MAXBUF];
5397 log_file = fopen("ircd.log","a+");
5400 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
5404 log(DEBUG,"InspIRCd: startup: begin");
5408 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
5410 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
5412 SetupCommandTable();
5413 log(DEBUG,"InspIRCd: startup: default command table set up");
5416 if (strcmp(DieValue,""))
5418 printf("WARNING: %s\n\n",DieValue);
5421 log(DEBUG,"InspIRCd: startup: read config");
5423 int count2 = 0, count3 = 0;
5425 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
5427 ConfValue("bind","port",count,configToken,&config_f);
5428 ConfValue("bind","address",count,Addr,&config_f);
5429 ConfValue("bind","type",count,Type,&config_f);
5430 if (!strcmp(Type,"servers"))
5432 char Default[MAXBUF];
5433 strcpy(Default,"no");
5434 ConfValue("bind","default",count,Default,&config_f);
5435 if (strchr(Default,'y'))
5437 defaultRoute = count3;
5438 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
5440 me[count3] = new serverrec(ServerName,100L,false);
5441 me[count3]->CreateListener(Addr,atoi(configToken));
5446 ports[count2] = atoi(configToken);
5447 strcpy(addrs[count2],Addr);
5450 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
5453 UDPportCount = count3;
5455 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
5457 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
5461 /* BugFix By Craig! :p */
5463 for (count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
5465 char modfile[MAXBUF];
5466 ConfValue("module","name",count2,configToken,&config_f);
5467 sprintf(modfile,"%s/%s",MOD_PATH,configToken,&config_f);
5468 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
5469 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
5470 /* If The File Doesnt exist, Trying to load it
5471 * Will Segfault the IRCd.. So, check to see if
5472 * it Exists, Before Proceeding. */
5473 if (FileExists(modfile))
5475 factory[count] = new ircd_module(modfile);
5476 if (factory[count]->LastError())
5478 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
5479 sprintf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
5482 if (factory[count]->factory)
5484 modules[count] = factory[count]->factory->CreateModule();
5485 /* save the module and the module's classfactory, if
5486 * this isnt done, random crashes can occur :/ */
5487 module_names.push_back(modfile);
5491 log(DEBUG,"Unable to load %s",modfile);
5492 sprintf("Unable to load %s\nExiting...\n",modfile);
5495 /* Increase the Count */
5500 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
5501 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
5504 MODCOUNT = count - 1;
5505 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
5507 printf("\nInspIRCd is now running!\n");
5509 startup_time = time(NULL);
5513 log(VERBOSE,"Not forking as -nofork was specified");
5517 if (DaemonSeed() == ERROR)
5519 log(DEBUG,"InspIRCd: startup: can't daemonise");
5520 printf("ERROR: could not go into daemon mode. Shutting down.\n");
5526 /* setup select call */
5527 FD_ZERO(&selectFds);
5528 log(DEBUG,"InspIRCd: startup: zero selects");
5529 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
5531 for (count = 0; count < portCount; count++)
5533 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
5535 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
5538 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
5540 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
5542 else /* well we at least bound to one socket so we'll continue */
5548 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
5550 /* if we didn't bind to anything then abort */
5551 if (boundPortCount == 0)
5553 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
5557 length = sizeof (client);
5558 int flip_flop = 0, udp_port = 0;
5559 char udp_msg[MAXBUF], udp_host[MAXBUF];
5561 /* main loop, this never returns */
5565 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
5566 // them in a list, then reap the list every second or so.
5567 if (reap_counter>5000) {
5568 if (fd_reap.size() > 0) {
5569 for( int n = 0; n < fd_reap.size(); n++)
5571 Blocking(fd_reap[n]);
5573 NonBlocking(fd_reap[n]);
5581 for (int x = 0; x != UDPportCount; x++)
5584 if (me[x]->RecvPacket(udp_msg, udp_host, udp_port, theirkey))
5586 if (strlen(udp_msg)<1) {
5587 log(DEBUG,"Invalid datagram from %s:%d:%d [route%d]",udp_host,udp_port,me[x]->port,x);
5591 FOREACH_MOD OnPacketReceive(udp_msg);
5592 // Packets must go back via the route they arrived on :)
5593 handle_link_packet(theirkey, udp_msg, udp_host, udp_port, me[x]);
5594 // link packets can manipulate the usertable so beware of
5595 // any loops here watching the user or channels hash
5596 log(DEBUG,"Sync: exit 3");
5603 struct timeval tval;
5606 user_hash::iterator count2 = clientlist.begin();
5608 while (count2 != clientlist.end())
5611 tval.tv_usec = tval.tv_sec = 0;
5613 int total_in_this_set = 0;
5615 user_hash::iterator xcount = count2;
5616 user_hash::iterator endingiter = count2;
5618 if (!count2->second) break;
5621 if (count2->second->fd != 0)
5623 // assemble up to 64 sockets into an fd_set
5624 // to implement a pooling mechanism.
5626 // This should be up to 64x faster than the
5627 // old implementation.
5628 while (total_in_this_set < 64)
5630 if (count2 != clientlist.end())
5632 // we don't check the state of remote users.
5633 if (count2->second->fd > 0)
5635 FD_SET (count2->second->fd, &sfd);
5637 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
5638 // their connection class.
5639 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
5641 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
5642 kill_link(count2->second,"Registration timeout");
5645 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
5647 if ((!count2->second->lastping) && (count2->second->registered == 7))
5649 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
5650 kill_link(count2->second,"Ping timeout");
5653 Write(count2->second->fd,"PING :%s",ServerName);
5654 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
5655 count2->second->lastping = 0;
5656 count2->second->nping = time(NULL)+120;
5659 total_in_this_set++;
5665 endingiter = count2;
5666 count2 = xcount; // roll back to where we were
5672 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
5674 // now loop through all of the items in this pool if any are waiting
5675 //if (selectResult2 > 0)
5676 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
5679 if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
5681 memset(data, 0, 10240);
5682 result = read(count2a->second->fd, data, 10240);
5686 userrec* current = count2a->second;
5687 int currfd = current->fd;
5688 char* l = strtok(data,"\n");
5693 if ((floodlines > current->flood) && (current->flood != 0))
5695 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
5696 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
5697 kill_link(current,"Excess flood");
5700 char sanitized[NetBufferSize];
5701 memset(sanitized, 0, NetBufferSize);
5703 for (int pt = 0; pt < strlen(l); pt++)
5707 sanitized[ptt++] = l[pt];
5710 sanitized[ptt] = '\0';
5711 if (strlen(sanitized))
5715 // we're gonna re-scan to check if the nick is gone, after every
5716 // command - if it has, we're gonna bail
5717 bool find_again = false;
5718 process_buffer(sanitized,current);
5720 // look for the user's record in case it's changed
5721 for (user_hash::iterator c2 = clientlist.begin(); c2 != clientlist.end(); c2++)
5723 if (c2->second->fd == currfd)
5725 // found again, update pointer
5726 current == c2->second;
5735 l = strtok(NULL,"\n");
5740 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
5742 log(DEBUG,"killing: %s",count2a->second->nick);
5743 kill_link(count2a->second,strerror(errno));
5747 // result EAGAIN means nothing read
5748 if (result == EAGAIN)
5756 log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
5757 kill_link(count2a->second,"Client exited");
5758 // must bail here? kill_link removes the hash, corrupting the iterator
5759 log(DEBUG,"Bailing from client exit");
5763 else if (result > 0)
5768 for (int q = 0; q < total_in_this_set; q++)
5770 // there is no iterator += operator :(
5771 //if (count2 != clientlist.end())
5778 // set up select call
5779 for (count = 0; count < boundPortCount; count++)
5781 FD_SET (openSockfd[count], &selectFds);
5784 /* added timeout! select was waiting forever... wank... :/ */
5796 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
5798 /* select is reporting a waiting socket. Poll them all to find out which */
5799 if (selectResult > 0)
5801 char target[MAXBUF], resolved[MAXBUF];
5802 for (count = 0; count < boundPortCount; count++)
5804 if (FD_ISSET (openSockfd[count], &selectFds))
5806 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
5808 address_cache::iterator iter = IP.find(client.sin_addr);
5809 bool iscached = false;
5810 if (iter == IP.end())
5812 /* ip isn't in cache, add it */
5813 strncpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
5814 if(CleanAndResolve(resolved, target) != TRUE)
5816 strncpy(resolved,target,MAXBUF);
5818 /* hostname now in 'target' */
5819 IP[client.sin_addr] = new string(resolved);
5820 /* hostname in cache */
5824 /* found ip (cached) */
5825 strncpy(resolved, iter->second->c_str(), MAXBUF);
5829 if (incomingSockfd < 0)
5831 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
5832 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
5836 AddClient(incomingSockfd, resolved, ports[count], iscached);
5837 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
5844 if(0) {}; // "Label must be followed by a statement"... so i gave it one.
5847 close (incomingSockfd);