1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 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 * ---------------------------------------------------
19 #include "inspircd_config.h"
21 #include "inspircd_io.h"
24 #include <sys/errno.h>
28 #include <ext/hash_map>
36 #include "connection.h"
47 #include "inspstring.h"
48 #include "helperfuncs.h"
53 extern std::vector<Module*> modules;
54 extern ServerConfig *Config;
55 extern InspIRCd* ServerInstance;
57 extern char lowermap[255];
58 static char list[MAXBUF];
59 extern userrec* fd_ref_table[MAX_DESCRIPTORS];
60 static char already_sent[MAX_DESCRIPTORS];
61 extern std::vector<userrec*> all_opers;
62 extern user_hash clientlist;
63 extern chan_hash chanlist;
65 extern std::vector<userrec*> local_users;
67 void log(int level,char *text, ...)
71 if (level < Config->LogLevel)
73 char textbuffer[MAXBUF];
74 timeinfo = localtime(&TIME);
79 va_start (argsPtr, text);
80 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
82 strlcpy(b,asctime(timeinfo),26);
83 b[24] = ':'; // we know this is the end of the time string
85 fprintf(Config->log_file,"%s %s\n",b,textbuffer);
88 // nofork enabled? display it on terminal too
89 printf("%s %s\n",b,textbuffer);
94 void readfile(file_cache &F, const char* fname)
99 log(DEBUG,"readfile: loading %s",fname);
101 file = fopen(fname,"r");
106 fgets(linebuf,sizeof(linebuf),file);
107 linebuf[strlen(linebuf)-1]='\0';
114 F.push_back(linebuf);
121 log(DEBUG,"readfile: failed to load file: %s",fname);
123 log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size());
126 void Write_NoFormat(int sock, const char *text)
128 if ((sock < 0) || (!text))
132 int bytes = snprintf(tb,MAXBUF,"%s\r\n",text);
134 if (fd_ref_table[sock])
136 if (Config->GetIOHook(fd_ref_table[sock]->port))
138 Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
142 fd_ref_table[sock]->AddWriteBuf(tb);
144 ServerInstance->stats->statsSent += bytes;
146 else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
149 void Write(int sock,char *text, ...)
155 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
159 char textbuffer[MAXBUF],tb[MAXBUF];
160 va_start (argsPtr, text);
161 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
163 int bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
165 if (fd_ref_table[sock])
167 if (Config->GetIOHook(fd_ref_table[sock]->port))
169 Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
173 fd_ref_table[sock]->AddWriteBuf(tb);
175 ServerInstance->stats->statsSent += bytes;
177 else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
180 void WriteServ_NoFormat(int sock, const char* text)
182 if ((sock < 0) || (!text))
185 int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",Config->ServerName,text);
187 if (fd_ref_table[sock])
189 if (Config->GetIOHook(fd_ref_table[sock]->port))
191 Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
195 fd_ref_table[sock]->AddWriteBuf(tb);
197 ServerInstance->stats->statsSent += bytes;
199 else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
202 /* write a server formatted numeric response to a single socket */
204 void WriteServ(int sock, char* text, ...)
210 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
214 va_start (argsPtr, text);
215 char textbuffer[MAXBUF],tb[MAXBUF];
216 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
218 int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",Config->ServerName,textbuffer);
220 if (fd_ref_table[sock])
222 if (Config->GetIOHook(fd_ref_table[sock]->port))
224 Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
228 fd_ref_table[sock]->AddWriteBuf(tb);
230 ServerInstance->stats->statsSent += bytes;
232 else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
235 void WriteFrom_NoFormat(int sock, userrec *user, const char* text)
237 if ((sock < 0) || (!text) || (!user))
240 int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",user->GetFullHost(),text);
242 if (fd_ref_table[sock])
244 if (Config->GetIOHook(fd_ref_table[sock]->port))
246 Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
250 fd_ref_table[sock]->AddWriteBuf(tb);
252 ServerInstance->stats->statsSent += bytes;
254 else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
257 /* write text from an originating user to originating user */
259 void WriteFrom(int sock, userrec *user,char* text, ...)
263 if ((!text) || (!user))
265 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
269 va_start (argsPtr, text);
270 char textbuffer[MAXBUF],tb[MAXBUF];
271 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
273 int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",user->GetFullHost(),textbuffer);
275 if (fd_ref_table[sock])
277 if (Config->GetIOHook(fd_ref_table[sock]->port))
279 Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
283 fd_ref_table[sock]->AddWriteBuf(tb);
285 ServerInstance->stats->statsSent += bytes;
287 else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
290 /* write text to an destination user from a source user (e.g. user privmsg) */
292 void WriteTo(userrec *source, userrec *dest,char *data, ...)
294 if ((!dest) || (!data))
296 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
301 char textbuffer[MAXBUF],tb[MAXBUF];
303 va_start (argsPtr, data);
304 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
308 // if no source given send it from the server.
311 WriteServ_NoFormat(dest->fd,textbuffer);
315 WriteFrom_NoFormat(dest->fd,source,textbuffer);
319 void WriteTo_NoFormat(userrec *source, userrec *dest, const char *data)
321 if ((!dest) || (!data))
325 WriteServ_NoFormat(dest->fd,data);
329 WriteFrom_NoFormat(dest->fd,source,data);
333 /* write formatted text from a source user to all users on a channel
334 * including the sender (NOT for privmsg, notice etc!) */
336 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
338 if ((!Ptr) || (!user) || (!text))
340 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
343 char textbuffer[MAXBUF];
345 va_start (argsPtr, text);
346 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
349 std::map<char*,char*> *ulist= Ptr->GetUsers();
350 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
353 userrec* otheruser = (userrec*)o;
354 if (otheruser->fd != FD_MAGIC_NUMBER)
355 WriteTo_NoFormat(user,otheruser,textbuffer);
359 void WriteChannel_NoFormat(chanrec* Ptr, userrec* user, const char* text)
361 if ((!Ptr) || (!user) || (!text))
363 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
366 std::map<char*,char*> *ulist= Ptr->GetUsers();
367 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
370 userrec* otheruser = (userrec*)o;
371 if (otheruser->fd != FD_MAGIC_NUMBER)
372 WriteTo_NoFormat(user,otheruser,text);
377 /* write formatted text from a source user to all users on a channel
378 * including the sender (NOT for privmsg, notice etc!) doesnt send to
379 * users on remote servers */
381 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
383 if ((!Ptr) || (!text))
385 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
388 char textbuffer[MAXBUF];
390 va_start (argsPtr, text);
391 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
394 std::map<char*,char*> *ulist= Ptr->GetUsers();
395 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
398 userrec* otheruser = (userrec*)o;
399 if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser != user))
403 WriteServ_NoFormat(otheruser->fd,textbuffer);
407 WriteTo_NoFormat(user,otheruser,textbuffer);
413 void WriteChannelLocal_NoFormat(chanrec* Ptr, userrec* user, const char* text)
415 if ((!Ptr) || (!text))
417 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
420 std::map<char*,char*> *ulist= Ptr->GetUsers();
421 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
424 userrec* otheruser = (userrec*)o;
425 if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser != user))
429 WriteServ_NoFormat(otheruser->fd,text);
433 WriteTo_NoFormat(user,otheruser,text);
441 void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
443 if ((!Ptr) || (!text))
445 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
448 char textbuffer[MAXBUF];
450 va_start (argsPtr, text);
451 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
455 std::map<char*,char*> *ulist= Ptr->GetUsers();
456 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
459 userrec* otheruser = (userrec*)o;
460 if (IS_LOCAL(otheruser))
461 WriteServ_NoFormat(otheruser->fd,textbuffer);
465 void WriteChannelWithServ_NoFormat(char* ServName, chanrec* Ptr, const char* text)
467 if ((!Ptr) || (!text))
469 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
472 std::map<char*,char*> *ulist= Ptr->GetUsers();
473 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
476 userrec* otheruser = (userrec*)o;
477 if (IS_LOCAL(otheruser))
478 WriteServ_NoFormat(otheruser->fd,text);
484 /* write formatted text from a source user to all users on a channel except
485 * for the sender (for privmsg etc) */
487 void ChanExceptSender(chanrec* Ptr, userrec* user, char status, char* text, ...)
489 if ((!Ptr) || (!user) || (!text))
491 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
494 char textbuffer[MAXBUF];
496 va_start (argsPtr, text);
497 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
500 std::map<char*,char*> *ulist;
504 ulist = Ptr->GetOppedUsers();
507 ulist = Ptr->GetHalfoppedUsers();
510 ulist = Ptr->GetVoicedUsers();
513 ulist = Ptr->GetUsers();
516 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
519 userrec* otheruser = (userrec*)o;
520 if ((IS_LOCAL(otheruser)) && (user != otheruser))
521 WriteFrom_NoFormat(otheruser->fd,user,textbuffer);
525 void ChanExceptSender_NoFormat(chanrec* Ptr, userrec* user, char status, const char* text)
527 if ((!Ptr) || (!user) || (!text))
529 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
532 std::map<char*,char*> *ulist;
536 ulist = Ptr->GetOppedUsers();
539 ulist = Ptr->GetHalfoppedUsers();
542 ulist = Ptr->GetVoicedUsers();
545 ulist = Ptr->GetUsers();
548 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
551 userrec* otheruser = (userrec*)o;
552 if ((IS_LOCAL(otheruser)) && (user != otheruser))
553 WriteFrom_NoFormat(otheruser->fd,user,text);
557 std::string GetServerDescription(char* servername)
559 std::string description = "";
560 FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description));
561 if (description != "")
567 return Config->ServerDesc; // not a remote server that can be found, it must be me.
571 /* write a formatted string to all users who share at least one common
572 * channel, including the source user e.g. for use in NICK */
574 void WriteCommon(userrec *u, char* text, ...)
578 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
582 if (u->registered != 7) {
583 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
587 char textbuffer[MAXBUF];
589 va_start (argsPtr, text);
590 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
593 // FIX: Stops a message going to the same person more than once
594 memset(&already_sent,0,MAX_DESCRIPTORS);
596 bool sent_to_at_least_one = false;
598 unsigned int y = u->chans.size();
599 for (unsigned int i = 0; i < y; i++)
601 if (u->chans[i].channel)
603 std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
604 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
607 userrec* otheruser = (userrec*)o;
608 if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
610 already_sent[otheruser->fd] = 1;
611 WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
612 sent_to_at_least_one = true;
617 // if the user was not in any channels, no users will receive the text. Make sure the user
618 // receives their OWN message for WriteCommon
619 if (!sent_to_at_least_one)
621 WriteFrom_NoFormat(u->fd,u,textbuffer);
625 void WriteCommon_NoFormat(userrec *u, const char* text)
629 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
633 if (u->registered != 7) {
634 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
637 // FIX: Stops a message going to the same person more than once
638 memset(&already_sent,0,MAX_DESCRIPTORS);
640 bool sent_to_at_least_one = false;
642 unsigned int y = u->chans.size();
643 for (unsigned int i = 0; i < y; i++)
645 if (u->chans[i].channel)
647 std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
648 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
651 userrec* otheruser = (userrec*)o;
652 if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
654 already_sent[otheruser->fd] = 1;
655 WriteFrom_NoFormat(otheruser->fd,u,text);
656 sent_to_at_least_one = true;
661 // if the user was not in any channels, no users will receive the text. Make sure the user
662 // receives their OWN message for WriteCommon
663 if (!sent_to_at_least_one)
665 WriteFrom_NoFormat(u->fd,u,text);
670 /* write a formatted string to all users who share at least one common
671 * channel, NOT including the source user e.g. for use in QUIT */
673 void WriteCommonExcept(userrec *u, char* text, ...)
677 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
681 if (u->registered != 7) {
682 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
686 char textbuffer[MAXBUF];
687 char oper_quit[MAXBUF];
688 bool quit_munge = false;
691 va_start (argsPtr, text);
692 int total = vsnprintf(textbuffer, MAXBUF, text, argsPtr);
695 if ((Config->HideSplits) && (total > 6))
697 /* Yeah yeah, this is ugly. But its fast, live with it. */
698 char* check = textbuffer;
699 if ((*check++ == 'Q') && (*check++ == 'U') && (*check++ == 'I') && (*check++ == 'T') && (*check++ == ' ') && (*check++ == ':'))
701 std::stringstream split(check);
702 std::string server_one;
703 std::string server_two;
706 if ((FindServerName(server_one)) && (FindServerName(server_two)))
708 strlcpy(oper_quit,textbuffer,MAXBUF);
709 strlcpy(check,"*.net *.split",MAXQUIT);
715 memset(&already_sent,0,MAX_DESCRIPTORS);
717 unsigned int y = u->chans.size();
718 for (unsigned int i = 0; i < y; i++)
720 if (u->chans[i].channel)
722 std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
723 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
726 userrec* otheruser = (userrec*)o;
729 if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
731 already_sent[otheruser->fd] = 1;
734 if (*otheruser->oper)
736 WriteFrom_NoFormat(otheruser->fd,u,oper_quit);
740 WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
743 else WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
751 void WriteCommonExcept_NoFormat(userrec *u, const char* text)
755 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
759 if (u->registered != 7) {
760 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
764 memset(&already_sent,0,MAX_DESCRIPTORS);
766 unsigned int y = u->chans.size();
767 for (unsigned int i = 0; i < y; i++)
769 if (u->chans[i].channel)
771 std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
772 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
775 userrec* otheruser = (userrec*)o;
778 if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
780 already_sent[otheruser->fd] = 1;
781 WriteFrom_NoFormat(otheruser->fd,u,text);
791 void WriteOpers(char* text, ...)
795 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
799 char textbuffer[MAXBUF];
801 va_start (argsPtr, text);
802 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
805 for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
810 if (strchr(a->modes,'s'))
812 // send server notices to all with +s
813 WriteServ(a->fd,"NOTICE %s :%s",a->nick,textbuffer);
819 void ServerNoticeAll(char* text, ...)
824 char textbuffer[MAXBUF];
826 va_start (argsPtr, text);
827 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
830 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
832 userrec* t = (userrec*)(*i);
833 WriteServ(t->fd,"NOTICE $%s :%s",Config->ServerName,textbuffer);
837 void ServerPrivmsgAll(char* text, ...)
842 char textbuffer[MAXBUF];
844 va_start (argsPtr, text);
845 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
848 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
850 userrec* t = (userrec*)(*i);
851 WriteServ(t->fd,"PRIVMSG $%s :%s",Config->ServerName,textbuffer);
855 void WriteMode(const char* modes, int flags, const char* text, ...)
857 if ((!text) || (!modes) || (!flags))
859 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
863 char textbuffer[MAXBUF];
865 va_start (argsPtr, text);
866 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
868 int modelen = strlen(modes);
870 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
872 userrec* t = (userrec*)(*i);
873 bool send_to_user = false;
877 for (int n = 0; n < modelen; n++)
879 if (!hasumode(t,modes[n]))
881 send_to_user = false;
886 else if (flags == WM_OR)
888 send_to_user = false;
889 for (int n = 0; n < modelen; n++)
891 if (hasumode(t,modes[n]))
900 WriteServ(t->fd,"NOTICE %s :%s",t->nick,textbuffer);
905 void NoticeAll(userrec *source, bool local_only, char* text, ...)
907 if ((!text) || (!source))
909 log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter");
913 char textbuffer[MAXBUF];
915 va_start (argsPtr, text);
916 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
919 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
921 userrec* t = (userrec*)(*i);
922 WriteFrom(t->fd,source,"NOTICE $* :%s",textbuffer);
928 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
930 if ((!text) || (!source))
932 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
936 char textbuffer[MAXBUF];
938 va_start (argsPtr, text);
939 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
942 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
944 userrec* t = (userrec*)(*i);
945 if ((IS_LOCAL(t)) && (strchr(t->modes,'w')))
947 WriteTo(source,t,"WALLOPS :%s",textbuffer);
952 /* convert a string to lowercase. Note following special circumstances
953 * taken from RFC 1459. Many "official" server branches still hold to this
954 * rule so i will too;
956 * Because of IRC's scandanavian origin, the characters {}| are
957 * considered to be the lower case equivalents of the characters []\,
958 * respectively. This is a critical issue when determining the
959 * equivalence of two nicknames.
962 void strlower(char *n)
966 for (char* t = n; *t; t++)
967 *t = lowermap[(unsigned)*t];
971 /* Find a user record by nickname and return a pointer to it */
973 userrec* Find(std::string nick)
975 user_hash::iterator iter = clientlist.find(nick);
977 if (iter == clientlist.end())
978 /* Couldn't find it */
984 /* find a channel record by channel name and return a pointer to it */
986 chanrec* FindChan(const char* chan)
990 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
994 chan_hash::iterator iter = chanlist.find(chan);
996 if (iter == chanlist.end())
997 /* Couldn't find it */
1000 return iter->second;
1004 long GetMaxBans(char* name)
1007 for (int count = 0; count < Config->ConfValueEnum("banlist",&Config->config_f); count++)
1009 Config->ConfValue("banlist","chan",count,CM,&Config->config_f);
1012 Config->ConfValue("banlist","limit",count,CM,&Config->config_f);
1019 void purge_empty_chans(userrec* u)
1024 // firstly decrement the count on each channel
1025 for (unsigned int f = 0; f < u->chans.size(); f++)
1027 if (u->chans[f].channel)
1029 u->chans[f].channel->DelUser((char*)u);
1033 for (unsigned int i = 0; i < u->chans.size(); i++)
1035 if (u->chans[i].channel)
1037 if (!usercount(u->chans[i].channel))
1039 chan_hash::iterator i2 = chanlist.find(u->chans[i].channel->name);
1040 /* kill the record */
1041 if (i2 != chanlist.end())
1043 log(DEBUG,"del_channel: destroyed: %s",i2->second->name);
1046 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1051 u->chans[i].channel = NULL;
1056 log(DEBUG,"skipped purge for %s",u->chans[i].channel->name);
1060 log(DEBUG,"completed channel purge, killed %lu",(unsigned long)purge);
1066 char* chanmodes(chanrec *chan, bool showkey)
1068 static char scratch[MAXBUF];
1069 static char sparam[MAXBUF];
1070 char* offset = scratch;
1074 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1081 if (chan->binarymodes & CM_NOEXTERNAL)
1083 if (chan->binarymodes & CM_TOPICLOCK)
1089 if (chan->binarymodes & CM_INVITEONLY)
1091 if (chan->binarymodes & CM_MODERATED)
1093 if (chan->binarymodes & CM_SECRET)
1095 if (chan->binarymodes & CM_PRIVATE)
1099 snprintf(sparam,MAXBUF," %s",showkey ? chan->key : "<key>");
1104 sprintf(foo," %lu",(unsigned long)chan->limit);
1105 strlcat(sparam,foo,MAXBUF);
1107 if (*chan->custom_modes)
1109 for (char* t = chan->custom_modes; *t; t++)
1111 for (int z = 0; chan->custom_modes[z]; z++)
1113 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1116 strlcat(sparam," ",MAXBUF);
1117 strlcat(sparam,extparam.c_str(),MAXBUF);
1121 /* Null terminate scratch */
1123 strlcat(scratch,sparam,MAXMODES);
1128 /* compile a userlist of a channel into a string, each nick seperated by
1129 * spaces and op, voice etc status shown as @ and + */
1131 void userlist(userrec *user,chanrec *c)
1133 if ((!c) || (!user))
1135 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1139 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1141 std::map<char*,char*> *ulist= c->GetUsers();
1142 for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
1144 char* o = i->second;
1145 userrec* otheruser = (userrec*)o;
1146 if ((!has_channel(user,c)) && (strchr(otheruser->modes,'i')))
1148 /* user is +i, and source not on the channel, does not show
1149 * nick in NAMES list */
1152 strlcat(list,cmode(otheruser,c),MAXBUF);
1153 strlcat(list,otheruser->nick,MAXBUF);
1154 strlcat(list," ",MAXBUF);
1155 if (strlen(list)>(480-NICKMAX))
1157 /* list overflowed into
1158 * multiple numerics */
1159 WriteServ_NoFormat(user->fd,list);
1160 snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
1163 /* if whats left in the list isnt empty, send it */
1164 if (list[strlen(list)-1] != ':')
1166 WriteServ_NoFormat(user->fd,list);
1170 /* return a count of the users on a specific channel accounting for
1171 * invisible users who won't increase the count. e.g. for /LIST */
1173 int usercount_i(chanrec *c)
1179 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1183 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1185 if (has_channel(i->second,c))
1187 if (i->second->registered == 7)
1189 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1191 /* user is +i, and source not on the channel, does not show
1192 * nick in NAMES list */
1199 log(DEBUG,"usercount_i: %s %lu",c->name,(unsigned long)count);
1204 int usercount(chanrec *c)
1206 return (c ? c->GetUserCounter() : 0);
1210 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1212 ConnectClass GetClass(userrec *user)
1214 for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
1216 if (match(user->host,i->host.c_str()))
1221 return *(Config->Classes.begin());
1224 /* sends out an error notice to all connected clients (not to be used
1227 void send_error(char *s)
1229 log(DEBUG,"send_error: %s",s);
1230 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
1232 userrec* t = (userrec*)(*i);
1233 if (t->registered == 7)
1235 WriteServ(t->fd,"NOTICE %s :%s",t->nick,s);
1239 // fix - unregistered connections receive ERROR, not NOTICE
1240 Write(t->fd,"ERROR :%s",s);
1245 void Error(int status)
1247 signal (SIGALRM, SIG_IGN);
1248 signal (SIGPIPE, SIG_IGN);
1249 signal (SIGTERM, SIG_IGN);
1250 signal (SIGABRT, SIG_IGN);
1251 signal (SIGSEGV, SIG_IGN);
1252 signal (SIGURG, SIG_IGN);
1253 signal (SIGKILL, SIG_IGN);
1254 log(DEFAULT,"*** fell down a pothole in the road to perfection ***");
1255 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
1259 // this function counts all users connected, wether they are registered or NOT.
1262 return clientlist.size();
1265 // this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
1266 int registered_usercount(void)
1269 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1271 if (i->second->registered == 7) c++;
1276 int usercount_invisible(void)
1279 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1281 if ((i->second->registered == 7) && (strchr(i->second->modes,'i'))) c++;
1286 int usercount_opers(void)
1288 return all_opers.size();
1291 int usercount_unknown(void)
1294 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
1296 userrec* t = (userrec*)(*i);
1297 if (t->registered != 7)
1303 long chancount(void)
1305 return chanlist.size();
1311 for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
1313 userrec* t = (userrec*)(*i);
1314 if (t->registered == 7) c++;
1319 void ShowMOTD(userrec *user)
1321 static char mbuf[MAXBUF];
1322 static char crud[MAXBUF];
1323 std::string WholeMOTD = "";
1324 if (!Config->MOTD.size())
1326 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
1329 snprintf(crud,MAXBUF,":%s 372 %s :- ", Config->ServerName, user->nick);
1330 snprintf(mbuf,MAXBUF,":%s 375 %s :- %s message of the day\r\n", Config->ServerName, user->nick, Config->ServerName);
1331 WholeMOTD = WholeMOTD + mbuf;
1332 for (unsigned int i = 0; i < Config->MOTD.size(); i++)
1333 WholeMOTD = WholeMOTD + std::string(crud) + Config->MOTD[i].c_str() + std::string("\r\n");
1334 snprintf(mbuf,MAXBUF,":%s 376 %s :End of message of the day.\r\n", Config->ServerName, user->nick);
1335 WholeMOTD = WholeMOTD + mbuf;
1336 // only one write operation
1337 if (Config->GetIOHook(user->port))
1339 Config->GetIOHook(user->port)->OnRawSocketWrite(user->fd,(char*)WholeMOTD.c_str(),WholeMOTD.length());
1343 user->AddWriteBuf(WholeMOTD);
1345 ServerInstance->stats->statsSent += WholeMOTD.length();
1348 void ShowRULES(userrec *user)
1350 if (!Config->RULES.size())
1352 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
1355 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,Config->ServerName);
1356 for (unsigned int i = 0; i < Config->RULES.size(); i++)
1357 WriteServ(user->fd,"NOTICE %s :%s",user->nick,Config->RULES[i].c_str());
1358 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,Config->ServerName);
1361 // this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
1362 // (until this returns true, a user will block in the waiting state, waiting to connect up to the
1363 // registration timeout maximum seconds)
1364 bool AllModulesReportReady(userrec* user)
1366 if (!Config->global_implementation[I_OnCheckReady])
1368 for (int i = 0; i <= MODCOUNT; i++)
1370 if (Config->implement_lists[i][I_OnCheckReady])
1372 int res = modules[i]->OnCheckReady(user);
1380 bool DirValid(char* dirandfile)
1383 char buffer[MAXBUF], otherdir[MAXBUF];
1384 strlcpy(work,dirandfile,MAXBUF);
1385 int p = strlen(work);
1386 // we just want the dir
1396 // Get the current working directory
1397 if( getcwd( buffer, MAXBUF ) == NULL )
1400 if( getcwd( otherdir, MAXBUF ) == NULL )
1403 if (strlen(otherdir) >= strlen(work))
1405 otherdir[strlen(work)] = '\0';
1406 if (!strcmp(otherdir,work))
1415 std::string GetFullProgDir(char** argv, int argc)
1418 char buffer[MAXBUF], otherdir[MAXBUF];
1419 strlcpy(work,argv[0],MAXBUF);
1420 int p = strlen(work);
1421 // we just want the dir
1431 // Get the current working directory
1432 if( getcwd( buffer, MAXBUF ) == NULL )
1435 if( getcwd( otherdir, MAXBUF ) == NULL )
1441 int InsertMode(std::string &output, const char* mode, unsigned short section)
1443 unsigned short currsection = 1;
1444 unsigned int pos = output.find("CHANMODES=", 0) + 10; // +10 for the length of "CHANMODES="
1446 if(section > 4 || section == 0)
1448 log(DEBUG, "InsertMode: CHANMODES doesn't have a section %dh :/", section);
1452 for(; pos < output.size(); pos++)
1454 if(section == currsection)
1457 if(output[pos] == ',')
1461 output.insert(pos, mode);