1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
22 #include "inspircd_io.h"
23 #include "inspircd_util.h"
24 #include "inspircd_config.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
34 #include <ext/hash_map>
46 #include "connection.h"
56 #define nspace __gnu_cxx
61 int LogLevel = DEFAULT;
62 char ServerName[MAXBUF];
64 char ServerDesc[MAXBUF];
65 char AdminName[MAXBUF];
66 char AdminEmail[MAXBUF];
67 char AdminNick[MAXBUF];
69 char restartpass[MAXBUF];
73 char PrefixQuit[MAXBUF];
74 char DieValue[MAXBUF];
76 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
77 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
79 time_t startup_time = time(NULL);
80 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
83 extern vector<Module*> modules;
84 std::vector<std::string> module_names;
85 extern vector<ircd_module*> factory;
86 std::vector<int> fd_reap;
94 template<> struct nspace::hash<in_addr>
96 size_t operator()(const struct in_addr &a) const
99 memcpy(&q,&a,sizeof(size_t));
104 template<> struct nspace::hash<string>
106 size_t operator()(const string &s) const
109 static struct hash<const char *> strhash;
121 bool operator()(const string& s1, const string& s2) const
123 char a[MAXBUF],b[MAXBUF];
124 strcpy(a,s1.c_str());
125 strcpy(b,s2.c_str());
126 return (strcasecmp(a,b) == 0);
131 struct InAddr_HashComp
134 bool operator()(const in_addr &s1, const in_addr &s2) const
139 memcpy(&q,&s1,sizeof(size_t));
140 memcpy(&p,&s2,sizeof(size_t));
148 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
149 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
150 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
151 typedef std::deque<command_t> command_table;
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::vector<long> auth_cookies;
188 std::stringstream config_f(stringstream::in | stringstream::out);
190 void safedelete(userrec *p)
194 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
195 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
201 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
205 void safedelete(chanrec *p)
211 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
215 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
220 void tidystring(char* str)
222 // strips out double spaces before a : parameter
225 bool go_again = true;
232 while ((str[0] == ' ') && (strlen(str)>0))
239 bool noparse = false;
242 while (a < strlen(str))
244 if ((a<strlen(str)-1) && (noparse==false))
246 if ((str[a] == ' ') && (str[a+1] == ' '))
248 log(DEBUG,"Tidied extra space out of string: %s",str);
256 if ((str[a] == ' ') && (str[a+1] == ':'))
262 temp[t++] = str[a++];
265 strncpy(str,temp,MAXBUF);
269 /* chop a string down to 512 characters and preserve linefeed (irc max
276 log(DEBUG,"ERROR! Null string passed to chop()!");
280 FOREACH_MOD OnServerRaw(temp,false);
281 const char* str2 = temp.c_str();
282 sprintf(str,"%s",str2);
285 if (strlen(str) >= 512)
294 std::string getservername()
299 std::string getserverdesc()
304 std::string getnetworkname()
309 std::string getadminname()
314 std::string getadminemail()
319 std::string getadminnick()
324 void log(int level,char *text, ...)
326 char textbuffer[MAXBUF];
329 struct tm * timeinfo;
330 if (level < LogLevel)
334 timeinfo = localtime (&rawtime);
339 va_start (argsPtr, text);
340 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
342 strcpy(b,asctime(timeinfo));
343 b[strlen(b)-1] = ':';
344 fprintf(log_file,"%s %s\n",b,textbuffer);
347 // nofork enabled? display it on terminal too
348 printf("%s %s\n",b,textbuffer);
353 void readfile(file_cache &F, const char* fname)
356 char linebuf[MAXBUF];
358 log(DEBUG,"readfile: loading %s",fname);
360 file = fopen(fname,"r");
365 fgets(linebuf,sizeof(linebuf),file);
366 linebuf[strlen(linebuf)-1]='\0';
367 if (!strcmp(linebuf,""))
373 F.push_back(linebuf);
380 log(DEBUG,"readfile: failed to load file: %s",fname);
382 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
385 void ReadConfig(void)
387 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF];
390 LoadConf(CONFIG_FILE,&config_f);
392 ConfValue("server","name",0,ServerName,&config_f);
393 ConfValue("server","description",0,ServerDesc,&config_f);
394 ConfValue("server","network",0,Network,&config_f);
395 ConfValue("admin","name",0,AdminName,&config_f);
396 ConfValue("admin","email",0,AdminEmail,&config_f);
397 ConfValue("admin","nick",0,AdminNick,&config_f);
398 ConfValue("files","motd",0,motd,&config_f);
399 ConfValue("files","rules",0,rules,&config_f);
400 ConfValue("power","diepass",0,diepass,&config_f);
401 ConfValue("power","pause",0,pauseval,&config_f);
402 ConfValue("power","restartpass",0,restartpass,&config_f);
403 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
404 ConfValue("die","value",0,DieValue,&config_f);
405 ConfValue("options","loglevel",0,dbg,&config_f);
406 ConfValue("options","netbuffersize",0,NB,&config_f);
407 NetBufferSize = atoi(NB);
408 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
410 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
411 NetBufferSize = 10240;
413 if (!strcmp(dbg,"debug"))
415 if (!strcmp(dbg,"verbose"))
417 if (!strcmp(dbg,"default"))
419 if (!strcmp(dbg,"sparse"))
421 if (!strcmp(dbg,"none"))
424 log(DEBUG,"Reading message of the day");
425 readfile(RULES,rules);
426 log(DEBUG,"Reading connect classes");
428 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
431 ConfValue("connect","allow",i,Value,&config_f);
432 ConfValue("connect","timeout",i,timeout,&config_f);
433 ConfValue("connect","flood",i,flood,&config_f);
434 if (strcmp(Value,""))
436 strcpy(c.host,Value);
439 ConfValue("connect","password",i,Value,&config_f);
440 strcpy(c.pass,Value);
441 c.registration_timeout = 90; // default is 2 minutes
442 c.flood = atoi(flood);
445 c.registration_timeout = atoi(timeout);
447 Classes.push_back(c);
448 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%d flood=%d",c.host,c.pass,c.registration_timeout,c.flood);
452 ConfValue("connect","deny",i,Value,&config_f);
453 strcpy(c.host,Value);
455 Classes.push_back(c);
456 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
465 log(DEBUG,"Blocking: %d",s);
466 flags = fcntl(s, F_GETFL, 0);
467 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
470 void NonBlocking(int s)
473 log(DEBUG,"NonBlocking: %d",s);
474 flags = fcntl(s, F_GETFL, 0);
475 //fcntl(s, F_SETFL, O_NONBLOCK);
476 fcntl(s, F_SETFL, flags | O_NONBLOCK);
480 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
482 struct hostent *hostPtr = NULL;
485 memset (resolvedHost, '\0',MAXBUF);
486 if(unresolvedHost == NULL)
488 if ((inet_aton(unresolvedHost,&addr)) == 0)
490 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
492 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
494 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
498 /* write formatted text to a socket, in same format as printf */
500 void Write(int sock,char *text, ...)
504 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
507 char textbuffer[MAXBUF];
511 va_start (argsPtr, text);
512 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
514 sprintf(tb,"%s\r\n",textbuffer);
518 write(sock,tb,strlen(tb));
519 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
523 /* write a server formatted numeric response to a single socket */
525 void WriteServ(int sock, char* text, ...)
529 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
532 char textbuffer[MAXBUF],tb[MAXBUF];
534 va_start (argsPtr, text);
536 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
538 sprintf(tb,":%s %s\r\n",ServerName,textbuffer);
542 write(sock,tb,strlen(tb));
543 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
547 /* write text from an originating user to originating user */
549 void WriteFrom(int sock, userrec *user,char* text, ...)
551 if ((!text) || (!user))
553 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
556 char textbuffer[MAXBUF],tb[MAXBUF];
558 va_start (argsPtr, text);
560 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
562 sprintf(tb,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
566 write(sock,tb,strlen(tb));
567 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
571 /* write text to an destination user from a source user (e.g. user privmsg) */
573 void WriteTo(userrec *source, userrec *dest,char *data, ...)
575 if ((!dest) || (!data))
577 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
580 char textbuffer[MAXBUF],tb[MAXBUF];
582 va_start (argsPtr, data);
583 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
587 // if no source given send it from the server.
590 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
594 WriteFrom(dest->fd,source,"%s",textbuffer);
598 /* write formatted text from a source user to all users on a channel
599 * including the sender (NOT for privmsg, notice etc!) */
601 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
603 if ((!Ptr) || (!user) || (!text))
605 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
608 char textbuffer[MAXBUF];
610 va_start (argsPtr, text);
611 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
613 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
615 if (has_channel(i->second,Ptr))
617 WriteTo(user,i->second,"%s",textbuffer);
622 /* write formatted text from a source user to all users on a channel
623 * including the sender (NOT for privmsg, notice etc!) doesnt send to
624 * users on remote servers */
626 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
628 if ((!Ptr) || (!text))
630 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
633 char textbuffer[MAXBUF];
635 va_start (argsPtr, text);
636 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
638 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
640 if (has_channel(i->second,Ptr))
642 if (i->second->fd != -1)
646 WriteServ(i->second->fd,"%s",textbuffer);
650 WriteTo(user,i->second,"%s",textbuffer);
658 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
660 if ((!Ptr) || (!user) || (!text))
662 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
665 char textbuffer[MAXBUF];
667 va_start (argsPtr, text);
668 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
670 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
674 if (has_channel(i->second,Ptr))
676 WriteServ(i->second->fd,"%s",textbuffer);
683 /* write formatted text from a source user to all users on a channel except
684 * for the sender (for privmsg etc) */
686 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
688 if ((!Ptr) || (!user) || (!text))
690 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
693 char textbuffer[MAXBUF];
695 va_start (argsPtr, text);
696 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
699 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
703 if (has_channel(i->second,Ptr) && (user != i->second))
705 WriteTo(user,i->second,"%s",textbuffer);
711 int c_count(userrec* u)
714 for (int i =0; i != MAXCHANS; i++)
715 if (u->chans[i].channel != NULL)
721 /* return 0 or 1 depending if users u and u2 share one or more common channels
722 * (used by QUIT, NICK etc which arent channel specific notices) */
724 int common_channels(userrec *u, userrec *u2)
731 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
734 for (int i = 0; i != MAXCHANS; i++)
736 for (z = 0; z != MAXCHANS; z++)
738 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
740 if ((u->chans[i].channel == u2->chans[z].channel) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
742 if ((c_count(u)) && (c_count(u2)))
753 /* write a formatted string to all users who share at least one common
754 * channel, including the source user e.g. for use in NICK */
756 void WriteCommon(userrec *u, char* text, ...)
760 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
764 if (u->registered != 7) {
765 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
769 char textbuffer[MAXBUF];
771 va_start (argsPtr, text);
772 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
775 WriteFrom(u->fd,u,"%s",textbuffer);
777 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
781 if (common_channels(u,i->second) && (i->second != u))
783 WriteFrom(i->second->fd,u,"%s",textbuffer);
789 /* write a formatted string to all users who share at least one common
790 * channel, NOT including the source user e.g. for use in QUIT */
792 void WriteCommonExcept(userrec *u, char* text, ...)
796 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
800 if (u->registered != 7) {
801 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
805 char textbuffer[MAXBUF];
807 va_start (argsPtr, text);
808 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
811 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
815 if ((common_channels(u,i->second)) && (u != i->second))
817 WriteFrom(i->second->fd,u,"%s",textbuffer);
823 void WriteOpers(char* text, ...)
827 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
831 char textbuffer[MAXBUF];
833 va_start (argsPtr, text);
834 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
837 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
841 if (strchr(i->second->modes,'o'))
843 if (strchr(i->second->modes,'s'))
845 // send server notices to all with +s
846 // (TODO: needs SNOMASKs)
847 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
854 // returns TRUE of any users on channel C occupy server 'servername'.
856 bool ChanAnyOnThisServer(chanrec *c,char* servername)
858 log(DEBUG,"ChanAnyOnThisServer");
859 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
861 if (has_channel(i->second,c))
863 if (!strcasecmp(i->second->server,servername))
872 // returns true if user 'u' shares any common channels with any users on server 'servername'
874 bool CommonOnThisServer(userrec* u,const char* servername)
876 log(DEBUG,"ChanAnyOnThisServer");
877 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
879 if ((common_channels(u,i->second)) && (u != i->second))
881 if (!strcasecmp(i->second->server,servername))
883 log(DEBUG,"%s is common to %s sharing with %s",i->second->nick,servername,u->nick);
892 void NetSendToCommon(userrec* u, char* s)
895 snprintf(buffer,MAXBUF,"%s",s);
897 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
899 for (int j = 0; j < 32; j++)
903 for (int k = 0; k < me[j]->connectors.size(); k++)
905 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
907 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
915 void NetSendToAll(char* s)
918 snprintf(buffer,MAXBUF,"%s",s);
920 log(DEBUG,"NetSendToAll: '%s'",s);
922 for (int j = 0; j < 32; j++)
926 for (int k = 0; k < me[j]->connectors.size(); k++)
928 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
934 void NetSendToAllAlive(char* s)
937 snprintf(buffer,MAXBUF,"%s",s);
939 log(DEBUG,"NetSendToAllAlive: '%s'",s);
941 for (int j = 0; j < 32; j++)
945 for (int k = 0; k < me[j]->connectors.size(); k++)
947 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
949 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
953 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
961 void NetSendToOne(char* target,char* s)
964 snprintf(buffer,MAXBUF,"%s",s);
966 log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
968 for (int j = 0; j < 32; j++)
972 for (int k = 0; k < me[j]->connectors.size(); k++)
974 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
976 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
983 void NetSendToAllExcept(const char* target,char* s)
986 snprintf(buffer,MAXBUF,"%s",s);
988 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
990 for (int j = 0; j < 32; j++)
994 for (int k = 0; k < me[j]->connectors.size(); k++)
996 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
998 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1006 bool hasumode(userrec* user, char mode)
1010 return (strchr(user->modes,mode)>0);
1015 void WriteMode(const char* modes, int flags, const char* text, ...)
1017 if ((!text) || (!modes) || (!flags))
1019 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
1023 char textbuffer[MAXBUF];
1025 va_start (argsPtr, text);
1026 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1029 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1033 bool send_to_user = false;
1035 if (flags == WM_AND)
1037 send_to_user = true;
1038 for (int n = 0; n < strlen(modes); n++)
1040 if (!hasumode(i->second,modes[n]))
1042 send_to_user = false;
1047 else if (flags == WM_OR)
1049 send_to_user = false;
1050 for (int n = 0; n < strlen(modes); n++)
1052 if (hasumode(i->second,modes[n]))
1054 send_to_user = true;
1062 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
1068 void ChangeName(userrec* user, const char* gecos)
1070 strncpy(user->fullname,gecos,MAXBUF);
1072 // TODO: replace these with functions:
1073 // NetSendToAll - to all
1074 // NetSendToCommon - to all that hold users sharing a common channel with another user
1075 // NetSendToOne - to one server
1076 // NetSendToAllExcept - send to all but one
1077 // all by servername
1079 char buffer[MAXBUF];
1080 snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
1081 NetSendToAll(buffer);
1084 void ChangeDisplayedHost(userrec* user, const char* host)
1086 strncpy(user->dhost,host,160);
1087 char buffer[MAXBUF];
1088 snprintf(buffer,MAXBUF,"b %s :%s",user->nick,host);
1089 NetSendToAll(buffer);
1092 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
1094 if ((!text) || (!source))
1096 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
1101 char textbuffer[MAXBUF];
1103 va_start (argsPtr, text);
1104 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1107 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1111 if (strchr(i->second->modes,'w'))
1113 WriteTo(source,i->second,"WALLOPS %s",textbuffer);
1120 char buffer[MAXBUF];
1121 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
1122 NetSendToAll(buffer);
1126 /* convert a string to lowercase. Note following special circumstances
1127 * taken from RFC 1459. Many "official" server branches still hold to this
1128 * rule so i will too;
1130 * Because of IRC's scandanavian origin, the characters {}| are
1131 * considered to be the lower case equivalents of the characters []\,
1132 * respectively. This is a critical issue when determining the
1133 * equivalence of two nicknames.
1136 void strlower(char *n)
1142 for (int i = 0; i != strlen(n); i++)
1144 n[i] = tolower(n[i]);
1154 /* verify that a user's ident and nickname is valid */
1156 int isident(const char* n)
1168 for (int i = 0; i != strlen(n); i++)
1170 if ((n[i] < 33) || (n[i] > 125))
1174 /* can't occur ANYWHERE in an Ident! */
1175 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
1184 int isnick(const char* n)
1196 if (strlen(n) > NICKMAX-1)
1200 for (int i = 0; i != strlen(n); i++)
1202 if ((n[i] < 33) || (n[i] > 125))
1206 /* can't occur ANYWHERE in a nickname! */
1207 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
1211 /* can't occur as the first char of a nickname... */
1212 if ((strchr("0123456789",n[i])) && (!i))
1220 /* Find a user record by nickname and return a pointer to it */
1222 userrec* Find(string nick)
1224 user_hash::iterator iter = clientlist.find(nick);
1226 if (iter == clientlist.end())
1227 /* Couldn't find it */
1230 return iter->second;
1233 void update_stats_l(int fd,int data_out) /* add one line-out to stats L for this fd */
1235 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1239 if (i->second->fd == fd)
1241 i->second->bytes_out+=data_out;
1242 i->second->cmds_out++;
1249 /* find a channel record by channel name and return a pointer to it */
1251 chanrec* FindChan(const char* chan)
1255 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1259 chan_hash::iterator iter = chanlist.find(chan);
1261 if (iter == chanlist.end())
1262 /* Couldn't find it */
1265 return iter->second;
1269 void purge_empty_chans(void)
1271 int go_again = 1, purge = 0;
1276 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1279 if (!usercount(i->second))
1281 /* kill the record */
1282 if (i != chanlist.end())
1284 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1294 log(DEBUG,"skipped purge for %s",i->second->name);
1299 log(DEBUG,"completed channel purge, killed %d",purge);
1302 /* returns the status character for a given user on a channel, e.g. @ for op,
1303 * % for halfop etc. If the user has several modes set, the highest mode
1304 * the user has must be returned. */
1306 char* cmode(userrec *user, chanrec *chan)
1308 if ((!user) || (!chan))
1310 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
1315 for (int i = 0; i != MAXCHANS; i++)
1317 if ((user->chans[i].channel == chan) && (chan != NULL))
1319 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1323 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1327 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1336 char scratch[MAXBUF];
1337 char sparam[MAXBUF];
1339 char* chanmodes(chanrec *chan)
1343 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1350 if (chan->noexternal)
1352 strncat(scratch,"n",MAXMODES);
1354 if (chan->topiclock)
1356 strncat(scratch,"t",MAXMODES);
1358 if (strcmp(chan->key,""))
1360 strncat(scratch,"k",MAXMODES);
1364 strncat(scratch,"l",MAXMODES);
1366 if (chan->inviteonly)
1368 strncat(scratch,"i",MAXMODES);
1370 if (chan->moderated)
1372 strncat(scratch,"m",MAXMODES);
1376 strncat(scratch,"s",MAXMODES);
1378 if (chan->c_private)
1380 strncat(scratch,"p",MAXMODES);
1382 if (strcmp(chan->key,""))
1384 strncat(sparam,chan->key,MAXBUF);
1389 sprintf(foo," %d",chan->limit);
1390 strncat(sparam,foo,MAXBUF);
1392 if (strlen(chan->custom_modes))
1394 strncat(scratch,chan->custom_modes,MAXMODES);
1395 for (int z = 0; z < strlen(chan->custom_modes); z++)
1397 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1400 strncat(sparam," ",MAXBUF);
1401 strncat(sparam,extparam.c_str(),MAXBUF);
1405 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1406 strncat(scratch,sparam,MAXMODES);
1410 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
1411 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
1412 * highest mode the user has must be returned. */
1414 int cstatus(userrec *user, chanrec *chan)
1416 if ((!chan) || (!user))
1418 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
1422 for (int i = 0; i != MAXCHANS; i++)
1424 if ((user->chans[i].channel == chan) && (chan != NULL))
1426 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1430 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1434 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1436 return STATUS_VOICE;
1438 return STATUS_NORMAL;
1444 /* compile a userlist of a channel into a string, each nick seperated by
1445 * spaces and op, voice etc status shown as @ and + */
1447 void userlist(userrec *user,chanrec *c)
1449 if ((!c) || (!user))
1451 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1455 sprintf(list,"353 %s = %s :", user->nick, c->name);
1456 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1458 if (has_channel(i->second,c))
1460 if (isnick(i->second->nick))
1462 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1464 /* user is +i, and source not on the channel, does not show
1465 * nick in NAMES list */
1468 strcat(list,cmode(i->second,c));
1469 strcat(list,i->second->nick);
1471 if (strlen(list)>(480-NICKMAX))
1473 /* list overflowed into
1474 * multiple numerics */
1475 WriteServ(user->fd,list);
1476 sprintf(list,"353 %s = %s :", user->nick, c->name);
1481 /* if whats left in the list isnt empty, send it */
1482 if (list[strlen(list)-1] != ':')
1484 WriteServ(user->fd,list);
1488 /* return a count of the users on a specific channel accounting for
1489 * invisible users who won't increase the count. e.g. for /LIST */
1491 int usercount_i(chanrec *c)
1498 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1503 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1507 if (has_channel(i->second,c))
1509 if (isnick(i->second->nick))
1511 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1513 /* user is +i, and source not on the channel, does not show
1514 * nick in NAMES list */
1522 log(DEBUG,"usercount_i: %s %d",c->name,count);
1527 int usercount(chanrec *c)
1534 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1539 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1543 if (has_channel(i->second,c))
1545 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1552 log(DEBUG,"usercount: %s %d",c->name,count);
1557 /* add a channel to a user, creating the record for it if needed and linking
1558 * it to the user record */
1560 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1562 if ((!user) || (!cn))
1564 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1573 strncpy(cname,cn,MAXBUF);
1575 // we MUST declare this wherever we use FOREACH_RESULT
1578 if (strlen(cname) > CHANMAX-1)
1580 cname[CHANMAX-1] = '\0';
1583 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1585 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1587 return NULL; // already on the channel!
1591 if (!FindChan(cname))
1593 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1598 /* create a new one */
1599 log(DEBUG,"add_channel: creating: %s",cname);
1601 chanlist[cname] = new chanrec();
1603 strcpy(chanlist[cname]->name, cname);
1604 chanlist[cname]->topiclock = 1;
1605 chanlist[cname]->noexternal = 1;
1606 chanlist[cname]->created = time(NULL);
1607 strcpy(chanlist[cname]->topic, "");
1608 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1609 chanlist[cname]->topicset = 0;
1610 Ptr = chanlist[cname];
1611 log(DEBUG,"add_channel: created: %s",cname);
1612 /* set created to 2 to indicate user
1613 * is the first in the channel
1614 * and should be given ops */
1620 /* channel exists, just fish out a pointer to its struct */
1621 Ptr = FindChan(cname);
1624 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1626 // the override flag allows us to bypass channel modes
1627 // and bans (used by servers)
1630 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1635 if (strcmp(Ptr->key,""))
1637 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1640 log(DEBUG,"add_channel: no key given in JOIN");
1641 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1646 log(DEBUG,"key at %p is %s",key,key);
1647 if (strcasecmp(key,Ptr->key))
1649 log(DEBUG,"add_channel: bad key given in JOIN");
1650 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1655 log(DEBUG,"add_channel: no key");
1657 if (Ptr->inviteonly)
1659 log(DEBUG,"add_channel: channel is +i");
1660 if (user->IsInvited(Ptr->name))
1662 /* user was invited to channel */
1663 /* there may be an optional channel NOTICE here */
1667 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1671 log(DEBUG,"add_channel: channel is not +i");
1675 if (usercount(Ptr) == Ptr->limit)
1677 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1682 log(DEBUG,"add_channel: about to walk banlist");
1684 /* check user against the channel banlist */
1687 if (Ptr->bans.size())
1689 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1691 if (match(user->GetFullHost(),i->data))
1693 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1700 log(DEBUG,"add_channel: bans checked");
1703 if ((Ptr) && (user))
1705 user->RemoveInvite(Ptr->name);
1708 log(DEBUG,"add_channel: invites removed");
1713 log(DEBUG,"Overridden checks");
1721 log(DEBUG,"Passed channel checks");
1723 for (int i =0; i != MAXCHANS; i++)
1725 log(DEBUG,"Check location %d",i);
1726 if (user->chans[i].channel == NULL)
1728 log(DEBUG,"Adding into their channel list at location %d",i);
1732 /* first user in is given ops */
1733 user->chans[i].uc_modes = UCMODE_OP;
1737 user->chans[i].uc_modes = 0;
1739 user->chans[i].channel = Ptr;
1740 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1742 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1744 // use the stamdard J token with no privilages.
1745 char buffer[MAXBUF];
1746 snprintf(buffer,MAXBUF,"J %s :%s",user->nick,Ptr->name);
1747 NetSendToAll(buffer);
1750 log(DEBUG,"Sent JOIN to client");
1754 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1755 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1758 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1759 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1760 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1761 FOREACH_MOD OnUserJoin(user,Ptr);
1765 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1766 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1770 /* remove a channel from a users record, and remove the record from memory
1771 * if the channel has become empty */
1773 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1775 if ((!user) || (!cname))
1777 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1784 if ((!cname) || (!user))
1789 Ptr = FindChan(cname);
1796 FOREACH_MOD OnUserPart(user,Ptr);
1797 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1799 for (int i =0; i != MAXCHANS; i++)
1801 /* zap it from the channel list of the user */
1802 if (user->chans[i].channel == Ptr)
1806 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1810 char buffer[MAXBUF];
1811 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1812 NetSendToAll(buffer);
1821 char buffer[MAXBUF];
1822 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1823 NetSendToAll(buffer);
1826 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1828 user->chans[i].uc_modes = 0;
1829 user->chans[i].channel = NULL;
1830 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1835 /* if there are no users left on the channel */
1836 if (!usercount(Ptr))
1838 chan_hash::iterator iter = chanlist.find(Ptr->name);
1840 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1842 /* kill the record */
1843 if (iter != chanlist.end())
1845 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1846 delete iter->second;
1847 chanlist.erase(iter);
1853 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1855 if ((!src) || (!user) || (!Ptr) || (!reason))
1857 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1864 if ((!Ptr) || (!user) || (!src))
1869 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1871 if (!has_channel(user,Ptr))
1873 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1876 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
1878 if (cstatus(src,Ptr) == STATUS_HOP)
1880 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1884 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1890 for (int i =0; i != MAXCHANS; i++)
1892 /* zap it from the channel list of the user */
1893 if (user->chans[i].channel)
1894 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1896 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1897 user->chans[i].uc_modes = 0;
1898 user->chans[i].channel = NULL;
1899 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1904 /* if there are no users left on the channel */
1905 if (!usercount(Ptr))
1907 chan_hash::iterator iter = chanlist.find(Ptr->name);
1909 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1911 /* kill the record */
1912 if (iter != chanlist.end())
1914 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1915 delete iter->second;
1916 chanlist.erase(iter);
1922 /* returns 1 if user u has channel c in their record, 0 if not */
1924 int has_channel(userrec *u, chanrec *c)
1928 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
1931 for (int i =0; i != MAXCHANS; i++)
1933 if (u->chans[i].channel == c)
1941 int give_ops(userrec *user,char *dest,chanrec *chan,int status)
1946 if ((!user) || (!dest) || (!chan))
1948 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
1951 if (status < STATUS_OP)
1953 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
1954 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1961 log(DEFAULT,"the target nickname given to give_ops was invalid");
1962 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1968 log(DEFAULT,"the target nickname given to give_ops couldnt be found");
1969 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1974 for (int i = 0; i != MAXCHANS; i++)
1976 if ((d->chans[i].channel != NULL) && (chan != NULL))
1977 if (!strcasecmp(d->chans[i].channel->name,chan->name))
1979 if (d->chans[i].uc_modes & UCMODE_OP)
1981 /* mode already set on user, dont allow multiple */
1982 log(DEFAULT,"The target user given to give_ops was already opped on the channel");
1985 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
1986 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
1990 log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
1996 int give_hops(userrec *user,char *dest,chanrec *chan,int status)
2001 if ((!user) || (!dest) || (!chan))
2003 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
2006 if (status != STATUS_OP)
2008 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2016 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2021 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2026 for (int i = 0; i != MAXCHANS; i++)
2028 if ((d->chans[i].channel != NULL) && (chan != NULL))
2029 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2031 if (d->chans[i].uc_modes & UCMODE_HOP)
2033 /* mode already set on user, dont allow multiple */
2036 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
2037 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
2046 int give_voice(userrec *user,char *dest,chanrec *chan,int status)
2051 if ((!user) || (!dest) || (!chan))
2053 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
2056 if (status < STATUS_HOP)
2058 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
2066 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2071 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2076 for (int i = 0; i != MAXCHANS; i++)
2078 if ((d->chans[i].channel != NULL) && (chan != NULL))
2079 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2081 if (d->chans[i].uc_modes & UCMODE_VOICE)
2083 /* mode already set on user, dont allow multiple */
2086 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
2087 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
2096 int take_ops(userrec *user,char *dest,chanrec *chan,int status)
2101 if ((!user) || (!dest) || (!chan))
2103 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
2106 if (status < STATUS_OP)
2108 log(DEBUG,"%s cant give ops to %s because they have status %d and needs %d",user->nick,dest,status,STATUS_OP);
2109 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2117 log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
2118 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2123 log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
2124 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2129 for (int i = 0; i != MAXCHANS; i++)
2131 if ((d->chans[i].channel != NULL) && (chan != NULL))
2132 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2134 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
2136 /* mode already set on user, dont allow multiple */
2139 d->chans[i].uc_modes ^= UCMODE_OP;
2140 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
2144 log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
2150 int take_hops(userrec *user,char *dest,chanrec *chan,int status)
2155 if ((!user) || (!dest) || (!chan))
2157 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
2160 if (status != STATUS_OP)
2162 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2170 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2175 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2180 for (int i = 0; i != MAXCHANS; i++)
2182 if ((d->chans[i].channel != NULL) && (chan != NULL))
2183 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2185 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
2187 /* mode already set on user, dont allow multiple */
2190 d->chans[i].uc_modes ^= UCMODE_HOP;
2191 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
2200 int take_voice(userrec *user,char *dest,chanrec *chan,int status)
2205 if ((!user) || (!dest) || (!chan))
2207 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
2210 if (status < STATUS_HOP)
2212 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
2220 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2225 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2230 for (int i = 0; i != MAXCHANS; i++)
2232 if ((d->chans[i].channel != NULL) && (chan != NULL))
2233 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2235 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
2237 /* mode already set on user, dont allow multiple */
2240 d->chans[i].uc_modes ^= UCMODE_VOICE;
2241 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
2250 void TidyBan(char *ban)
2253 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
2257 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
2261 char* pos_of_pling = strchr(temp,'!');
2262 char* pos_of_at = strchr(temp,'@');
2264 pos_of_pling[0] = '\0';
2265 pos_of_at[0] = '\0';
2269 strncpy(NICK,temp,NICKMAX);
2270 strncpy(IDENT,pos_of_pling,IDENTMAX+1);
2271 strncpy(HOST,pos_of_at,160);
2273 sprintf(ban,"%s!%s@%s",NICK,IDENT,HOST);
2276 int add_ban(userrec *user,char *dest,chanrec *chan,int status)
2278 if ((!user) || (!dest) || (!chan)) {
2279 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
2284 if ((!user) || (!dest) || (!chan))
2286 if (strchr(dest,'!')==0)
2288 if (strchr(dest,'@')==0)
2290 for (int i = 0; i < strlen(dest); i++)
2293 for (int i = 0; i < strlen(dest); i++)
2297 for (int i = 0; i < strlen(dest); i++)
2303 for (int i = 0; i < strlen(dest); i++)
2308 log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
2311 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2313 if (!strcasecmp(i->data,dest))
2315 // dont allow a user to set the same ban twice
2320 b.set_time = time(NULL);
2321 strncpy(b.data,dest,MAXBUF);
2322 strncpy(b.set_by,user->nick,NICKMAX);
2323 chan->bans.push_back(b);
2327 int take_ban(userrec *user,char *dest,chanrec *chan,int status)
2329 if ((!user) || (!dest) || (!chan)) {
2330 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
2334 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
2335 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2337 if (!strcasecmp(i->data,dest))
2339 chan->bans.erase(i);
2346 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
2349 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
2353 char modelist[MAXBUF];
2354 char outlist[MAXBUF];
2355 char outstr[MAXBUF];
2356 char outpars[32][MAXBUF];
2362 bool k_set = false, l_set = false;
2369 log(DEBUG,"process_modes: start: parameters=%d",pcnt);
2371 strcpy(modelist,parameters[1]); /* mode list, e.g. +oo-o */
2372 /* parameters[2] onwards are parameters for
2373 * modes that require them :) */
2374 strcpy(outlist,"+");
2377 log(DEBUG,"process_modes: modelist: %s",modelist);
2379 for (ptr = 0; ptr < strlen(modelist); ptr++)
2384 log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
2385 char modechar = modelist[ptr];
2386 switch (modelist[ptr])
2391 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2393 outlist[strlen(outlist)-1] = '-';
2397 strcat(outlist,"-");
2407 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2409 outlist[strlen(outlist)-1] = '+';
2413 strcat(outlist,"+");
2421 if ((param >= pcnt)) break;
2422 log(DEBUG,"Enough parameters left");
2425 log(DEBUG,"calling give_ops");
2426 r = give_ops(user,parameters[param++],chan,status);
2430 log(DEBUG,"calling take_ops");
2431 r = take_ops(user,parameters[param++],chan,status);
2435 strcat(outlist,"o");
2436 strcpy(outpars[pc++],parameters[param-1]);
2441 if ((param >= pcnt)) break;
2444 r = give_hops(user,parameters[param++],chan,status);
2448 r = take_hops(user,parameters[param++],chan,status);
2452 strcat(outlist,"h");
2453 strcpy(outpars[pc++],parameters[param-1]);
2459 if ((param >= pcnt)) break;
2462 r = give_voice(user,parameters[param++],chan,status);
2466 r = take_voice(user,parameters[param++],chan,status);
2470 strcat(outlist,"v");
2471 strcpy(outpars[pc++],parameters[param-1]);
2476 if ((param >= pcnt)) break;
2479 r = add_ban(user,parameters[param++],chan,status);
2483 r = take_ban(user,parameters[param++],chan,status);
2487 strcat(outlist,"b");
2488 strcpy(outpars[pc++],parameters[param-1]);
2494 if ((param >= pcnt))
2502 if (!strcmp(chan->key,""))
2504 strcat(outlist,"k");
2506 strcpy(key,parameters[param++]);
2507 if (strlen(key)>32) {
2510 strcpy(outpars[pc++],key);
2511 strcpy(chan->key,key);
2517 /* checks on -k are case sensitive and only accurate to the
2518 first 32 characters */
2520 strcpy(key,parameters[param++]);
2521 if (strlen(key)>32) {
2524 /* only allow -k if correct key given */
2525 if (!strcmp(chan->key,key))
2527 strcat(outlist,"k");
2528 strcpy(chan->key,"");
2529 strcpy(outpars[pc++],key);
2539 strcat(outlist,"l");
2544 if ((param >= pcnt)) break;
2550 bool invalid = false;
2551 for (int i = 0; i < strlen(parameters[param]); i++)
2553 if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
2558 if (atoi(parameters[param]) < 1)
2566 chan->limit = atoi(parameters[param]);
2569 strcat(outlist,"l");
2570 strcpy(outpars[pc++],parameters[param++]);
2577 if (chan->inviteonly != mdir)
2579 strcat(outlist,"i");
2581 chan->inviteonly = mdir;
2585 if (chan->topiclock != mdir)
2587 strcat(outlist,"t");
2589 chan->topiclock = mdir;
2593 if (chan->noexternal != mdir)
2595 strcat(outlist,"n");
2597 chan->noexternal = mdir;
2601 if (chan->moderated != mdir)
2603 strcat(outlist,"m");
2605 chan->moderated = mdir;
2609 if (chan->secret != mdir)
2611 strcat(outlist,"s");
2612 if (chan->c_private)
2614 chan->c_private = 0;
2617 strcat(outlist,"-p+");
2621 strcat(outlist,"+p-");
2625 chan->secret = mdir;
2629 if (chan->c_private != mdir)
2631 strcat(outlist,"p");
2637 strcat(outlist,"-s+");
2641 strcat(outlist,"+s-");
2645 chan->c_private = mdir;
2649 log(DEBUG,"Preprocessing custom mode %c",modechar);
2652 if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
2654 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
2657 if (ModeDefined(modechar,MT_CHANNEL))
2659 log(DEBUG,"A module has claimed this mode");
2662 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2664 p.push_back(parameters[param]);
2666 if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
2668 p.push_back(parameters[param]);
2671 bool handled = false;
2674 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
2675 // we're supposed to have a parameter, but none was given... so dont handle the mode.
2676 if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
2682 for (int i = 0; i <= MODCOUNT; i++)
2686 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
2688 log(DEBUG,"OnExtendedMode returned nonzero for a module");
2689 char app[] = {modechar, 0};
2692 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
2694 strcat(outlist, app);
2696 else if (!strchr(outlist,modechar))
2698 strcat(outlist, app);
2701 chan->SetCustomMode(modechar,mdir);
2702 // include parameters in output if mode has them
2703 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2705 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
2706 strcpy(outpars[pc++],parameters[param++]);
2708 // break, because only one module can handle the mode.
2720 /* this ensures only the *valid* modes are sent out onto the network */
2721 while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
2723 outlist[strlen(outlist)-1] = '\0';
2725 if (strcmp(outlist,""))
2727 strcpy(outstr,outlist);
2728 for (ptr = 0; ptr < pc; ptr++)
2731 strcat(outstr,outpars[ptr]);
2735 log(DEBUG,"Local mode change");
2736 WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
2744 WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
2745 // M token for a usermode must go to all servers
2746 char buffer[MAXBUF];
2747 snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
2748 NetSendToAll(buffer);
2756 WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
2757 // M token for a usermode must go to all servers
2758 char buffer[MAXBUF];
2759 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
2760 NetSendToAll(buffer);
2767 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
2769 bool allowed_umode(char umode, char* sourcemodes,bool adding)
2771 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
2772 // RFC1459 specified modes
2773 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
2775 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2779 // user may not +o themselves or others, but an oper may de-oper other opers or themselves
2780 if ((strchr(sourcemodes,'o')) && (!adding))
2782 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2785 else if (umode == 'o')
2787 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2791 // process any module-defined modes that need oper
2792 if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
2794 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
2798 if (ModeDefined(umode,MT_CLIENT))
2800 // process any module-defined modes that don't need oper
2801 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
2802 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
2804 // no, this mode needs oper, and this user 'aint got what it takes!
2810 // anything else - return false.
2811 log(DEBUG,"umode %c not known by any ruleset",umode);
2815 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
2822 strncpy(s2->nick,ServerName,NICKMAX);
2823 strcpy(s2->modes,"o");
2830 if (ModeDefined(umode,MT_CLIENT))
2832 for (int i = 0; i <= MODCOUNT; i++)
2834 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
2836 log(DEBUG,"Module claims umode %c",umode);
2840 log(DEBUG,"No module claims umode %c",umode);
2859 void handle_mode(char **parameters, int pcnt, userrec *user)
2865 char outpars[MAXBUF];
2867 dest = Find(parameters[0]);
2874 if ((dest) && (pcnt == 1))
2876 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
2880 if ((dest) && (pcnt > 1))
2882 char dmodes[MAXBUF];
2883 strncpy(dmodes,dest->modes,MAXBUF);
2884 log(DEBUG,"pulled up dest user modes: %s",dmodes);
2889 if (strchr(user->modes,'o'))
2900 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
2904 strcpy(outpars,"+");
2907 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2910 for (int i = 0; i < strlen(parameters[1]); i++)
2912 if (parameters[1][i] == '+')
2916 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2918 outpars[strlen(outpars)-1] = '+';
2922 strcat(outpars,"+");
2928 if (parameters[1][i] == '-')
2932 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2934 outpars[strlen(outpars)-1] = '-';
2938 strcat(outpars,"-");
2946 if (strchr(user->modes,'o'))
2952 if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
2961 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2963 char umode = parameters[1][i];
2964 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2966 dmodes[strlen(dmodes)+1]='\0';
2967 dmodes[strlen(dmodes)] = parameters[1][i];
2968 outpars[strlen(outpars)+1]='\0';
2969 outpars[strlen(outpars)] = parameters[1][i];
2975 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2977 char umode = parameters[1][i];
2978 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2984 outpars[strlen(outpars)+1]='\0';
2985 outpars[strlen(outpars)] = parameters[1][i];
2988 for (q = 0; q < strlen(dmodes); q++)
2990 if (dmodes[q] != parameters[1][i])
2997 strcpy(dmodes,temp);
3004 if (strlen(outpars))
3010 while (i < strlen (outpars))
3012 b[z++] = outpars[i++];
3014 if (i<strlen(outpars)-1)
3016 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3018 // someones playing silly buggers and trying
3019 // to put a +- or -+ into the line...
3023 if (i == strlen(outpars)-1)
3025 if ((outpars[i] == '-') || (outpars[i] == '+'))
3033 if ((b[z] == '-') || (b[z] == '+'))
3036 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3039 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
3041 // M token for a usermode must go to all servers
3042 char buffer[MAXBUF];
3043 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
3044 NetSendToAll(buffer);
3046 if (strlen(dmodes)>MAXMODES)
3048 dmodes[MAXMODES-1] = '\0';
3050 log(DEBUG,"Stripped mode line");
3051 log(DEBUG,"Line dest is now %s",dmodes);
3052 strncpy(dest->modes,dmodes,MAXMODES);
3059 Ptr = FindChan(parameters[0]);
3064 /* just /modes #channel */
3065 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
3066 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
3072 if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
3075 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
3077 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
3079 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
3084 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
3086 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
3090 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
3094 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3101 void server_mode(char **parameters, int pcnt, userrec *user)
3107 char outpars[MAXBUF];
3109 dest = Find(parameters[0]);
3111 // fix: ChroNiCk found this - we cant use this as debug if its null!
3114 log(DEBUG,"server_mode on %s",dest->nick);
3117 if ((dest) && (pcnt > 1))
3119 log(DEBUG,"params > 1");
3121 char dmodes[MAXBUF];
3122 strncpy(dmodes,dest->modes,MAXBUF);
3124 strcpy(outpars,"+");
3127 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3130 for (int i = 0; i < strlen(parameters[1]); i++)
3132 if (parameters[1][i] == '+')
3136 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3138 outpars[strlen(outpars)-1] = '+';
3142 strcat(outpars,"+");
3148 if (parameters[1][i] == '-')
3152 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3154 outpars[strlen(outpars)-1] = '-';
3158 strcat(outpars,"-");
3165 log(DEBUG,"begin mode processing entry");
3171 log(DEBUG,"umode %c being added",parameters[1][i]);
3172 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
3174 char umode = parameters[1][i];
3175 log(DEBUG,"umode %c is an allowed umode",umode);
3176 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3178 dmodes[strlen(dmodes)+1]='\0';
3179 dmodes[strlen(dmodes)] = parameters[1][i];
3180 outpars[strlen(outpars)+1]='\0';
3181 outpars[strlen(outpars)] = parameters[1][i];
3187 // can only remove a mode they already have
3188 log(DEBUG,"umode %c being removed",parameters[1][i]);
3189 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
3191 char umode = parameters[1][i];
3192 log(DEBUG,"umode %c is an allowed umode",umode);
3193 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3199 outpars[strlen(outpars)+1]='\0';
3200 outpars[strlen(outpars)] = parameters[1][i];
3203 for (q = 0; q < strlen(dmodes); q++)
3205 if (dmodes[q] != parameters[1][i])
3212 strcpy(dmodes,temp);
3219 if (strlen(outpars))
3225 while (i < strlen (outpars))
3227 b[z++] = outpars[i++];
3229 if (i<strlen(outpars)-1)
3231 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3233 // someones playing silly buggers and trying
3234 // to put a +- or -+ into the line...
3238 if (i == strlen(outpars)-1)
3240 if ((outpars[i] == '-') || (outpars[i] == '+'))
3248 if ((b[z] == '-') || (b[z] == '+'))
3251 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3254 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
3256 // M token for a usermode must go to all servers
3257 char buffer[MAXBUF];
3258 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
3259 NetSendToAll(buffer);
3261 if (strlen(dmodes)>MAXMODES)
3263 dmodes[MAXMODES-1] = '\0';
3265 log(DEBUG,"Stripped mode line");
3266 log(DEBUG,"Line dest is now %s",dmodes);
3267 strncpy(dest->modes,dmodes,MAXMODES);
3274 Ptr = FindChan(parameters[0]);
3277 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
3281 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3287 void merge_mode(char **parameters, int pcnt)
3293 char outpars[MAXBUF];
3295 dest = Find(parameters[0]);
3297 // fix: ChroNiCk found this - we cant use this as debug if its null!
3300 log(DEBUG,"merge_mode on %s",dest->nick);
3303 if ((dest) && (pcnt > 1))
3305 log(DEBUG,"params > 1");
3307 char dmodes[MAXBUF];
3308 strncpy(dmodes,dest->modes,MAXBUF);
3310 strcpy(outpars,"+");
3313 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3316 for (int i = 0; i < strlen(parameters[1]); i++)
3318 if (parameters[1][i] == '+')
3322 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3324 outpars[strlen(outpars)-1] = '+';
3328 strcat(outpars,"+");
3334 if (parameters[1][i] == '-')
3338 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3340 outpars[strlen(outpars)-1] = '-';
3344 strcat(outpars,"-");
3351 log(DEBUG,"begin mode processing entry");
3357 log(DEBUG,"umode %c being added",parameters[1][i]);
3358 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
3360 char umode = parameters[1][i];
3361 log(DEBUG,"umode %c is an allowed umode",umode);
3362 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3364 dmodes[strlen(dmodes)+1]='\0';
3365 dmodes[strlen(dmodes)] = parameters[1][i];
3366 outpars[strlen(outpars)+1]='\0';
3367 outpars[strlen(outpars)] = parameters[1][i];
3373 // can only remove a mode they already have
3374 log(DEBUG,"umode %c being removed",parameters[1][i]);
3375 if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
3377 char umode = parameters[1][i];
3378 log(DEBUG,"umode %c is an allowed umode",umode);
3379 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3385 outpars[strlen(outpars)+1]='\0';
3386 outpars[strlen(outpars)] = parameters[1][i];
3389 for (q = 0; q < strlen(dmodes); q++)
3391 if (dmodes[q] != parameters[1][i])
3398 strcpy(dmodes,temp);
3405 if (strlen(outpars))
3411 while (i < strlen (outpars))
3413 b[z++] = outpars[i++];
3415 if (i<strlen(outpars)-1)
3417 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3419 // someones playing silly buggers and trying
3420 // to put a +- or -+ into the line...
3424 if (i == strlen(outpars)-1)
3426 if ((outpars[i] == '-') || (outpars[i] == '+'))
3434 if ((b[z] == '-') || (b[z] == '+'))
3437 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3440 if (strlen(dmodes)>MAXMODES)
3442 dmodes[MAXMODES-1] = '\0';
3444 log(DEBUG,"Stripped mode line");
3445 log(DEBUG,"Line dest is now %s",dmodes);
3446 strncpy(dest->modes,dmodes,MAXMODES);
3453 Ptr = FindChan(parameters[0]);
3457 strncpy(s2.nick,ServerName,NICKMAX);
3458 strcpy(s2.modes,"o");
3460 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
3465 void merge_mode2(char **parameters, int pcnt, userrec* user)
3471 char outpars[MAXBUF];
3473 dest = Find(parameters[0]);
3475 // fix: ChroNiCk found this - we cant use this as debug if its null!
3478 log(DEBUG,"merge_mode on %s",dest->nick);
3481 if ((dest) && (pcnt > 1))
3483 log(DEBUG,"params > 1");
3485 char dmodes[MAXBUF];
3486 strncpy(dmodes,dest->modes,MAXBUF);
3488 strcpy(outpars,"+");
3491 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3494 for (int i = 0; i < strlen(parameters[1]); i++)
3496 if (parameters[1][i] == '+')
3500 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3502 outpars[strlen(outpars)-1] = '+';
3506 strcat(outpars,"+");
3512 if (parameters[1][i] == '-')
3516 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3518 outpars[strlen(outpars)-1] = '-';
3522 strcat(outpars,"-");
3529 log(DEBUG,"begin mode processing entry");
3535 log(DEBUG,"umode %c being added",parameters[1][i]);
3536 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
3538 char umode = parameters[1][i];
3539 log(DEBUG,"umode %c is an allowed umode",umode);
3540 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3542 dmodes[strlen(dmodes)+1]='\0';
3543 dmodes[strlen(dmodes)] = parameters[1][i];
3544 outpars[strlen(outpars)+1]='\0';
3545 outpars[strlen(outpars)] = parameters[1][i];
3551 // can only remove a mode they already have
3552 log(DEBUG,"umode %c being removed",parameters[1][i]);
3553 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
3555 char umode = parameters[1][i];
3556 log(DEBUG,"umode %c is an allowed umode",umode);
3557 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3563 outpars[strlen(outpars)+1]='\0';
3564 outpars[strlen(outpars)] = parameters[1][i];
3567 for (q = 0; q < strlen(dmodes); q++)
3569 if (dmodes[q] != parameters[1][i])
3576 strcpy(dmodes,temp);
3583 if (strlen(outpars))
3589 while (i < strlen (outpars))
3591 b[z++] = outpars[i++];
3593 if (i<strlen(outpars)-1)
3595 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3597 // someones playing silly buggers and trying
3598 // to put a +- or -+ into the line...
3602 if (i == strlen(outpars)-1)
3604 if ((outpars[i] == '-') || (outpars[i] == '+'))
3612 if ((b[z] == '-') || (b[z] == '+'))
3615 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3618 WriteTo(user,dest,"MODE :%s",b);
3620 if (strlen(dmodes)>MAXMODES)
3622 dmodes[MAXMODES-1] = '\0';
3624 log(DEBUG,"Stripped mode line");
3625 log(DEBUG,"Line dest is now %s",dmodes);
3626 strncpy(dest->modes,dmodes,MAXMODES);
3633 Ptr = FindChan(parameters[0]);
3636 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
3641 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
3647 /* This function pokes and hacks at a parameter list like the following:
3649 * PART #winbot, #darkgalaxy :m00!
3651 * to turn it into a series of individual calls like this:
3653 * PART #winbot :m00!
3654 * PART #darkgalaxy :m00!
3656 * The seperate calls are sent to a callback function provided by the caller
3657 * (the caller will usually call itself recursively). The callback function
3658 * must be a command handler. Calling this function on a line with no list causes
3659 * no action to be taken. You must provide a starting and ending parameter number
3660 * where the range of the list can be found, useful if you have a terminating
3661 * parameter as above which is actually not part of the list, or parameters
3662 * before the actual list as well. This code is used by many functions which
3663 * can function as "one to list" (see the RFC) */
3665 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
3670 char blog[32][MAXBUF];
3671 char blog2[32][MAXBUF];
3672 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
3673 char keystr[MAXBUF];
3676 for (int i = 0; i <32; i++)
3679 for (int i = 0; i <32; i++)
3680 strcpy(blog2[i],"");
3683 for (int i = 0; i <10; i++)
3687 parameters[i] = moo;
3692 if (pcnt > 1) /* we have a key to copy */
3694 strcpy(keystr,parameters[1]);
3698 if (!parameters[start])
3702 if (!strchr(parameters[start],','))
3707 for (int i = start; i <= end; i++)
3711 strcat(plist,parameters[i]);
3719 for (int i = 0; i < t; i++)
3721 if (plist[i] == ',')
3724 strcpy(blog[j++],param);
3728 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
3733 strcpy(blog[j++],param);
3736 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
3741 if ((joins) && (keystr))
3743 if (strchr(keystr,','))
3747 t2 = strlen(keystr);
3748 for (int i = 0; i < t2; i++)
3750 if (keystr[i] == ',')
3753 strcpy(blog2[j++],param);
3757 strcpy(blog2[j++],param);
3762 for (j = 0; j < total; j++)
3768 for (q = end; q < pcnt-1; q++)
3770 if (parameters[q+1])
3772 pars[q-end+1] = parameters[q+1];
3775 if ((joins) && (parameters[1]))
3786 /* repeatedly call the function with the hacked parameter list */
3787 if ((joins) && (pcnt > 1))
3791 // pars[1] already set up and containing key from blog2[j]
3796 pars[1] = parameters[1];
3802 fn(pars,pcnt-(end-start),u);
3810 void handle_join(char **parameters, int pcnt, userrec *user)
3815 if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
3817 if (parameters[0][0] == '#')
3819 Ptr = add_channel(user,parameters[0],parameters[1],false);
3824 void handle_part(char **parameters, int pcnt, userrec *user)
3830 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
3832 del_channel(user,parameters[0],parameters[1],false);
3836 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
3838 del_channel(user,parameters[0],NULL,false);
3842 void handle_kick(char **parameters, int pcnt, userrec *user)
3844 chanrec* Ptr = FindChan(parameters[0]);
3845 userrec* u = Find(parameters[1]);
3849 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3853 if (!has_channel(u,Ptr))
3855 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
3859 char reason[MAXBUF];
3863 strncpy(reason,parameters[2],MAXBUF);
3864 if (strlen(reason)>MAXKICK)
3866 reason[MAXKICK-1] = '\0';
3869 kick_channel(user,u,Ptr,reason);
3873 strcpy(reason,user->nick);
3874 kick_channel(user,u,Ptr,reason);
3877 // this must be propogated so that channel membership is kept in step network-wide
3879 char buffer[MAXBUF];
3880 snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
3881 NetSendToAll(buffer);
3885 void handle_die(char **parameters, int pcnt, userrec *user)
3887 log(DEBUG,"die: %s",user->nick);
3888 if (!strcmp(parameters[0],diepass))
3890 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
3896 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
3900 void handle_restart(char **parameters, int pcnt, userrec *user)
3902 log(DEBUG,"restart: %s",user->nick);
3903 if (!strcmp(parameters[0],restartpass))
3905 WriteOpers("*** RESTART command from %s!%s@%s, Pretending to restart till this is finished :D",user->nick,user->ident,user->host);
3908 /* Will finish this later when i can be arsed :) */
3912 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
3917 void kill_link(userrec *user,const char* r)
3919 user_hash::iterator iter = clientlist.find(user->nick);
3921 char reason[MAXBUF];
3923 strncpy(reason,r,MAXBUF);
3925 if (strlen(reason)>MAXQUIT)
3927 reason[MAXQUIT-1] = '\0';
3930 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
3931 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
3932 log(DEBUG,"closing fd %d",user->fd);
3934 /* bugfix, cant close() a nonblocking socket (sux!) */
3935 if (user->registered == 7) {
3936 FOREACH_MOD OnUserQuit(user);
3937 WriteCommonExcept(user,"QUIT :%s",reason);
3939 // Q token must go to ALL servers!!!
3940 char buffer[MAXBUF];
3941 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
3942 NetSendToAll(buffer);
3945 /* push the socket on a stack of sockets due to be closed at the next opportunity
3946 * 'Client exited' is an exception to this as it means the client side has already
3947 * closed the socket, we don't need to do it.
3949 fd_reap.push_back(user->fd);
3951 bool do_purge = false;
3953 if (user->registered == 7) {
3954 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
3958 if (iter != clientlist.end())
3960 log(DEBUG,"deleting user hash value %d",iter->second);
3961 if ((iter->second) && (user->registered == 7)) {
3962 delete iter->second;
3964 clientlist.erase(iter);
3967 if (user->registered == 7) {
3968 purge_empty_chans();
3973 void handle_kill(char **parameters, int pcnt, userrec *user)
3975 userrec *u = Find(parameters[0]);
3976 char killreason[MAXBUF];
3978 log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
3981 if (strcmp(ServerName,u->server))
3984 WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
3985 sprintf(killreason,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
3986 WriteCommonExcept(u,"QUIT :%s",killreason);
3987 // K token must go to ALL servers!!!
3988 char buffer[MAXBUF];
3989 snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
3990 NetSendToAll(buffer);
3992 user_hash::iterator iter = clientlist.find(u->nick);
3993 if (iter != clientlist.end())
3995 log(DEBUG,"deleting user hash value %d",iter->second);
3996 if ((iter->second) && (user->registered == 7)) {
3997 delete iter->second;
3999 clientlist.erase(iter);
4001 purge_empty_chans();
4006 WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
4007 WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
4008 sprintf(killreason,"Killed (%s (%s))",user->nick,parameters[1]);
4009 kill_link(u,killreason);
4014 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4018 void handle_summon(char **parameters, int pcnt, userrec *user)
4020 WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
4023 void handle_users(char **parameters, int pcnt, userrec *user)
4025 WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
4029 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
4031 char* Passwd(userrec *user)
4033 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4035 if (match(user->host,i->host) && (i->type == CC_ALLOW))
4043 bool IsDenied(userrec *user)
4045 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4047 if (match(user->host,i->host) && (i->type == CC_DENY))
4057 void handle_pass(char **parameters, int pcnt, userrec *user)
4059 // Check to make sure they havnt registered -- Fix by FCS
4060 if (user->registered == 7)
4062 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
4065 if (!strcasecmp(parameters[0],Passwd(user)))
4067 user->haspassed = true;
4071 void handle_invite(char **parameters, int pcnt, userrec *user)
4073 userrec* u = Find(parameters[0]);
4074 chanrec* c = FindChan(parameters[1]);
4080 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
4086 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
4095 if (cstatus(user,c) < STATUS_HOP)
4097 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
4101 if (has_channel(u,c))
4103 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
4106 if (!has_channel(user,c))
4108 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
4111 u->InviteTo(c->name);
4112 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
4113 WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
4115 // i token must go to ALL servers!!!
4116 char buffer[MAXBUF];
4117 snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
4118 NetSendToAll(buffer);
4121 void handle_topic(char **parameters, int pcnt, userrec *user)
4127 if (strlen(parameters[0]) <= CHANMAX)
4129 Ptr = FindChan(parameters[0]);
4134 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
4135 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
4139 WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
4144 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4151 if (strlen(parameters[0]) <= CHANMAX)
4153 Ptr = FindChan(parameters[0]);
4156 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
4158 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
4163 strncpy(topic,parameters[1],MAXBUF);
4164 if (strlen(topic)>MAXTOPIC)
4166 topic[MAXTOPIC-1] = '\0';
4169 strcpy(Ptr->topic,topic);
4170 strcpy(Ptr->setby,user->nick);
4171 Ptr->topicset = time(NULL);
4172 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
4174 // t token must go to ALL servers!!!
4175 char buffer[MAXBUF];
4176 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
4177 NetSendToAll(buffer);
4181 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4187 /* sends out an error notice to all connected clients (not to be used
4190 void send_error(char *s)
4192 log(DEBUG,"send_error: %s",s);
4193 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4195 if (isnick(i->second->nick))
4197 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
4201 // fix - unregistered connections receive ERROR, not NOTICE
4202 Write(i->second->fd,"ERROR :%s",s);
4207 void Error(int status)
4209 signal (SIGALRM, SIG_IGN);
4210 signal (SIGPIPE, SIG_IGN);
4211 signal (SIGTERM, SIG_IGN);
4212 signal (SIGABRT, SIG_IGN);
4213 signal (SIGSEGV, SIG_IGN);
4214 signal (SIGURG, SIG_IGN);
4215 signal (SIGKILL, SIG_IGN);
4216 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
4217 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
4222 int main(int argc, char *argv[])
4226 log(DEBUG,"*** InspIRCd starting up!");
4227 if (!FileExists(CONFIG_FILE))
4229 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
4230 log(DEBUG,"main: no config");
4231 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
4235 if (!strcmp(argv[1],"-nofork")) {
4239 if (InspIRCd() == ERROR)
4241 log(DEBUG,"main: daemon function bailed");
4242 printf("ERROR: could not initialise. Shutting down.\n");
4249 template<typename T> inline string ConvToStr(const T &in)
4252 if (!(tmp << in)) return string();
4256 /* re-allocates a nick in the user_hash after they change nicknames,
4257 * returns a pointer to the new user as it may have moved */
4259 userrec* ReHashNick(char* Old, char* New)
4261 user_hash::iterator newnick;
4262 user_hash::iterator oldnick = clientlist.find(Old);
4264 log(DEBUG,"ReHashNick: %s %s",Old,New);
4266 if (!strcasecmp(Old,New))
4268 log(DEBUG,"old nick is new nick, skipping");
4269 return oldnick->second;
4272 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
4274 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
4276 clientlist[New] = new userrec();
4277 clientlist[New] = oldnick->second;
4278 /*delete oldnick->second; */
4279 clientlist.erase(oldnick);
4281 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
4283 return clientlist[New];
4286 /* adds or updates an entry in the whowas list */
4287 void AddWhoWas(userrec* u)
4289 user_hash::iterator iter = whowas.find(u->nick);
4290 userrec *a = new userrec();
4291 strcpy(a->nick,u->nick);
4292 strcpy(a->ident,u->ident);
4293 strcpy(a->dhost,u->dhost);
4294 strcpy(a->host,u->host);
4295 strcpy(a->fullname,u->fullname);
4296 strcpy(a->server,u->server);
4297 a->signon = u->signon;
4299 /* MAX_WHOWAS: max number of /WHOWAS items
4300 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
4301 * can be replaced by a newer one
4304 if (iter == whowas.end())
4306 if (whowas.size() == WHOWAS_MAX)
4308 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
4310 // 3600 seconds in an hour ;)
4311 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
4315 log(DEBUG,"added WHOWAS entry, purged an old record");
4322 log(DEBUG,"added fresh WHOWAS entry");
4323 whowas[a->nick] = a;
4328 log(DEBUG,"updated WHOWAS entry");
4329 delete iter->second;
4335 /* add a client connection to the sockets list */
4336 void AddClient(int socket, char* host, int port, bool iscached)
4340 char resolved[MAXBUF];
4343 user_hash::iterator iter;
4345 tempnick = ConvToStr(socket) + "-unknown";
4346 sprintf(tn2,"%d-unknown",socket);
4348 iter = clientlist.find(tempnick);
4350 if (iter != clientlist.end()) return;
4353 * It is OK to access the value here this way since we know
4354 * it exists, we just created it above.
4356 * At NO other time should you access a value in a map or a
4357 * hash_map this way.
4359 clientlist[tempnick] = new userrec();
4361 NonBlocking(socket);
4362 log(DEBUG,"AddClient: %d %s %d",socket,host,port);
4364 clientlist[tempnick]->fd = socket;
4365 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
4366 strncpy(clientlist[tempnick]->host, host,160);
4367 strncpy(clientlist[tempnick]->dhost, host,160);
4368 strncpy(clientlist[tempnick]->server, ServerName,256);
4369 strncpy(clientlist[tempnick]->ident, "unknown",9);
4370 clientlist[tempnick]->registered = 0;
4371 clientlist[tempnick]->signon = time(NULL);
4372 clientlist[tempnick]->nping = time(NULL)+240;
4373 clientlist[tempnick]->lastping = 1;
4374 clientlist[tempnick]->port = port;
4378 WriteServ(socket,"NOTICE Auth :Found your hostname (cached)...");
4382 WriteServ(socket,"NOTICE Auth :Looking up your hostname...");
4385 // set the registration timeout for this user
4386 unsigned long class_regtimeout = 90;
4387 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4389 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
4391 class_regtimeout = (unsigned long)i->registration_timeout;
4396 int class_flood = 0;
4397 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4399 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
4401 class_flood = i->flood;
4406 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
4407 clientlist[tempnick]->flood = class_flood;
4409 for (int i = 0; i < MAXCHANS; i++)
4411 clientlist[tempnick]->chans[i].channel = NULL;
4412 clientlist[tempnick]->chans[i].uc_modes = 0;
4415 if (clientlist.size() == MAXCLIENTS)
4416 kill_link(clientlist[tempnick],"No more connections allowed in this class");
4419 void handle_names(char **parameters, int pcnt, userrec *user)
4423 if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
4425 c = FindChan(parameters[0]);
4428 /*WriteServ(user->fd,"353 %s = %s :%s", user->nick, c->name,*/
4430 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
4434 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4438 void handle_privmsg(char **parameters, int pcnt, userrec *user)
4443 user->idle_lastmsg = time(NULL);
4445 if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
4447 if (parameters[0][0] == '#')
4449 chan = FindChan(parameters[0]);
4452 if ((chan->noexternal) && (!has_channel(user,chan)))
4454 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
4457 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
4459 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
4465 FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
4470 ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
4472 // if any users of this channel are on remote servers, broadcast the packet
4473 char buffer[MAXBUF];
4474 snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
4475 NetSendToCommon(user,buffer);
4479 /* no such nick/channel */
4480 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4485 dest = Find(parameters[0]);
4488 if (strcmp(dest->awaymsg,""))
4490 /* auto respond with aweh msg */
4491 WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
4496 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,std::string(parameters[1])));
4503 if (!strcmp(dest->server,user->server))
4505 // direct write, same server
4506 WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
4510 char buffer[MAXBUF];
4511 snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
4512 NetSendToOne(dest->server,buffer);
4517 /* no such nick/channel */
4518 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4522 void handle_notice(char **parameters, int pcnt, userrec *user)
4527 user->idle_lastmsg = time(NULL);
4529 if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
4531 if (parameters[0][0] == '#')
4533 chan = FindChan(parameters[0]);
4536 if ((chan->noexternal) && (!has_channel(user,chan)))
4538 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
4541 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
4543 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
4549 FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
4554 ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
4556 // if any users of this channel are on remote servers, broadcast the packet
4557 char buffer[MAXBUF];
4558 snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
4559 NetSendToCommon(user,buffer);
4563 /* no such nick/channel */
4564 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4569 dest = Find(parameters[0]);
4574 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,std::string(parameters[1])));
4579 if (!strcmp(dest->server,user->server))
4581 // direct write, same server
4582 WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
4586 char buffer[MAXBUF];
4587 snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
4588 NetSendToOne(dest->server,buffer);
4593 /* no such nick/channel */
4594 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4600 char* chlist(userrec *user)
4605 log(DEBUG,"chlist: %s",user->nick);
4611 for (int i = 0; i != MAXCHANS; i++)
4613 if (user->chans[i].channel != NULL)
4615 if (user->chans[i].channel->name)
4617 strcpy(cmp,user->chans[i].channel->name);
4619 if (!strstr(lst,cmp))
4621 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
4623 strcat(lst,cmode(user,user->chans[i].channel));
4624 strcat(lst,user->chans[i].channel->name);
4633 lst[strlen(lst)-1] = '\0'; // chop trailing space
4638 void handle_info(char **parameters, int pcnt, userrec *user)
4640 WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
4641 WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
4642 WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
4643 FOREACH_MOD OnInfo(user);
4644 WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
4647 void handle_time(char **parameters, int pcnt, userrec *user)
4650 struct tm * timeinfo;
4653 timeinfo = localtime ( &rawtime );
4654 WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
4658 void handle_whois(char **parameters, int pcnt, userrec *user)
4663 if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
4665 dest = Find(parameters[0]);
4668 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
4669 if (dest->registered == 7)
4671 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
4672 if ((user == dest) || (strchr(user->modes,'o')))
4674 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
4676 if (strcmp(chlist(dest),""))
4678 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
4680 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, ServerDesc);
4681 if (strcmp(dest->awaymsg,""))
4683 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
4685 if (strchr(dest->modes,'o'))
4687 WriteServ(user->fd,"313 %s %s :is an IRC operator",user->nick, dest->nick);
4689 FOREACH_MOD OnWhois(user,dest);
4690 //WriteServ(user->fd,"310 %s %s :is available for help.",user->nick, dest->nick);
4691 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-time(NULL)), dest->signon);
4693 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
4697 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4702 /* no such nick/channel */
4703 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4707 void send_network_quit(const char* nick, const char* reason)
4709 char buffer[MAXBUF];
4710 snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
4711 NetSendToAll(buffer);
4714 void handle_quit(char **parameters, int pcnt, userrec *user)
4716 user_hash::iterator iter = clientlist.find(user->nick);
4719 if (user->registered == 7)
4721 /* theres more to do here, but for now just close the socket */
4724 if (parameters[0][0] == ':')
4728 reason = parameters[0];
4730 if (strlen(reason)>MAXQUIT)
4732 reason[MAXQUIT-1] = '\0';
4735 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
4736 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
4737 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
4739 char buffer[MAXBUF];
4740 snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
4741 NetSendToAll(buffer);
4745 Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
4746 WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
4747 WriteCommonExcept(user,"QUIT :Client exited");
4749 char buffer[MAXBUF];
4750 snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
4751 NetSendToAll(buffer);
4753 FOREACH_MOD OnUserQuit(user);
4757 /* push the socket on a stack of sockets due to be closed at the next opportunity */
4758 fd_reap.push_back(user->fd);
4760 if (iter != clientlist.end())
4762 clientlist.erase(iter);
4763 log(DEBUG,"deleting user hash value %d",iter->second);
4764 //if ((user) && (user->registered == 7)) {
4769 if (user->registered == 7) {
4770 purge_empty_chans();
4774 void handle_who(char **parameters, int pcnt, userrec *user)
4776 chanrec* Ptr = NULL;
4778 /* theres more to do here, but for now just close the socket */
4781 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
4783 if (user->chans[0].channel)
4785 Ptr = user->chans[0].channel;
4786 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4788 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
4790 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);
4796 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4800 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, user->nick);
4804 if (parameters[0][0] == '#')
4806 Ptr = FindChan(parameters[0]);
4809 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4811 if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
4813 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);
4816 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4820 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4825 userrec* u = Find(parameters[0]);
4826 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);
4831 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
4833 Ptr = user->chans[0].channel;
4834 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4836 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
4838 if (strchr(i->second->modes,'o'))
4840 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);
4844 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4850 void handle_wallops(char **parameters, int pcnt, userrec *user)
4852 WriteWallOps(user,false,"%s",parameters[0]);
4855 void handle_list(char **parameters, int pcnt, userrec *user)
4859 WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
4860 for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
4862 if ((!i->second->c_private) && (!i->second->secret))
4864 WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
4867 WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
4871 void handle_rehash(char **parameters, int pcnt, userrec *user)
4873 WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
4875 FOREACH_MOD OnRehash();
4876 WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
4882 return clientlist.size();
4886 int usercount_invisible(void)
4890 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4892 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
4897 int usercount_opers(void)
4901 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4903 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
4908 int usercount_unknown(void)
4912 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4914 if ((i->second->fd) && (i->second->registered != 7))
4920 long chancount(void)
4922 return chanlist.size();
4925 long count_servs(void)
4928 //for (int j = 0; j < 255; j++)
4930 // if (servers[j] != NULL)
4936 long servercount(void)
4938 return count_servs()+1;
4944 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4946 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
4952 void handle_lusers(char **parameters, int pcnt, userrec *user)
4954 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
4955 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
4956 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
4957 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
4958 WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
4961 void handle_admin(char **parameters, int pcnt, userrec *user)
4963 WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
4964 WriteServ(user->fd,"257 %s :Name - %s",user->nick,AdminName);
4965 WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
4966 WriteServ(user->fd,"258 %s :E-Mail - %s",user->nick,AdminEmail);
4969 void ShowMOTD(userrec *user)
4973 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
4976 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
4977 for (int i = 0; i != MOTD.size(); i++)
4979 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
4981 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
4984 void ShowRULES(userrec *user)
4988 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
4991 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
4992 for (int i = 0; i != RULES.size(); i++)
4994 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
4996 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
4999 /* shows the message of the day, and any other on-logon stuff */
5000 void ConnectUser(userrec *user)
5002 user->registered = 7;
5003 user->idle_lastmsg = time(NULL);
5004 log(DEBUG,"ConnectUser: %s",user->nick);
5006 if (strcmp(Passwd(user),"") && (!user->haspassed))
5008 kill_link(user,"Invalid password");
5013 kill_link(user,"Unauthorised connection");
5017 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
5018 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
5019 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
5020 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
5021 WriteServ(user->fd,"004 %s :%s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
5022 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);
5023 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);
5025 FOREACH_MOD OnUserConnect(user);
5026 WriteOpers("*** Client connecting on port %d: %s!%s@%s",user->port,user->nick,user->ident,user->host);
5028 char buffer[MAXBUF];
5029 snprintf(buffer,MAXBUF,"N %d %s %s %s %s +%s %s :%s",user->age,user->nick,user->host,user->dhost,user->ident,user->modes,ServerName,user->fullname);
5030 NetSendToAll(buffer);
5033 void handle_version(char **parameters, int pcnt, userrec *user)
5035 WriteServ(user->fd,"351 %s :%s %s %s :%s",user->nick,VERSION,"$Revision$ $Date$",ServerName,SYSTEM);
5038 void handle_ping(char **parameters, int pcnt, userrec *user)
5040 WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
5043 void handle_pong(char **parameters, int pcnt, userrec *user)
5045 // set the user as alive so they survive to next ping
5049 void handle_motd(char **parameters, int pcnt, userrec *user)
5054 void handle_rules(char **parameters, int pcnt, userrec *user)
5059 void handle_user(char **parameters, int pcnt, userrec *user)
5061 if (user->registered < 3)
5063 if (isident(parameters[0]) == 0) {
5064 // This kinda Sucks, According to the RFC thou, its either this,
5065 // or "You have already registered" :p -- Craig
5066 WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
5069 WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
5070 strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
5071 strncat(user->ident,parameters[0],IDENTMAX);
5072 strncpy(user->fullname,parameters[3],128);
5073 user->registered = (user->registered | 1);
5078 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
5081 /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
5082 if (user->registered == 3)
5084 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
5089 void handle_userhost(char **parameters, int pcnt, userrec *user)
5091 char Return[MAXBUF],junk[MAXBUF];
5092 sprintf(Return,"302 %s :",user->nick);
5093 for (int i = 0; i < pcnt; i++)
5095 userrec *u = Find(parameters[i]);
5098 if (strchr(u->modes,'o'))
5100 sprintf(junk,"%s*=+%s@%s ",u->nick,u->ident,u->host);
5101 strcat(Return,junk);
5105 sprintf(junk,"%s=+%s@%s ",u->nick,u->ident,u->host);
5106 strcat(Return,junk);
5110 WriteServ(user->fd,Return);
5114 void handle_ison(char **parameters, int pcnt, userrec *user)
5116 char Return[MAXBUF];
5117 sprintf(Return,"303 %s :",user->nick);
5118 for (int i = 0; i < pcnt; i++)
5120 userrec *u = Find(parameters[i]);
5123 strcat(Return,u->nick);
5127 WriteServ(user->fd,Return);
5131 void handle_away(char **parameters, int pcnt, userrec *user)
5135 strcpy(user->awaymsg,parameters[0]);
5136 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
5140 strcpy(user->awaymsg,"");
5141 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
5145 void handle_whowas(char **parameters, int pcnt, userrec* user)
5147 user_hash::iterator i = whowas.find(parameters[0]);
5149 if (i == whowas.end())
5151 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
5152 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
5156 time_t rawtime = i->second->signon;
5160 timeinfo = localtime(&rawtime);
5161 strcpy(b,asctime(timeinfo));
5162 b[strlen(b)-1] = '\0';
5164 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
5165 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
5166 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
5171 void handle_trace(char **parameters, int pcnt, userrec *user)
5173 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
5177 if (isnick(i->second->nick))
5179 if (strchr(i->second->modes,'o'))
5181 WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
5185 WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
5190 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
5196 void handle_modules(char **parameters, int pcnt, userrec *user)
5198 for (int i = 0; i < module_names.size(); i++)
5200 Version V = modules[i]->GetVersion();
5201 char modulename[MAXBUF];
5202 strncpy(modulename,module_names[i].c_str(),256);
5203 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));
5207 // calls a handler function for a command
5209 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
5211 for (int i = 0; i < cmdlist.size(); i++)
5213 if (!strcasecmp(cmdlist[i].command,commandname))
5215 if (cmdlist[i].handler_function)
5217 if (pcnt>=cmdlist[i].min_params)
5219 if (strchr(user->modes,cmdlist[i].flags_needed))
5221 cmdlist[i].handler_function(parameters,pcnt,user);
5229 void handle_stats(char **parameters, int pcnt, userrec *user)
5235 if (strlen(parameters[0])>1)
5237 /* make the stats query 1 character long */
5238 parameters[0][1] = '\0';
5241 /* stats m (list number of times each command has been used, plus bytecount) */
5242 if (!strcasecmp(parameters[0],"m"))
5244 for (int i = 0; i < cmdlist.size(); i++)
5246 if (cmdlist[i].handler_function)
5248 if (cmdlist[i].use_count)
5250 /* RPL_STATSCOMMANDS */
5251 WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
5258 /* stats z (debug and memory info) */
5259 if (!strcasecmp(parameters[0],"z"))
5261 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
5262 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
5263 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
5264 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
5265 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
5266 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
5267 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
5268 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
5272 if (!strcasecmp(parameters[0],"o"))
5274 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
5276 char LoginName[MAXBUF];
5277 char HostName[MAXBUF];
5278 char OperType[MAXBUF];
5279 ConfValue("oper","name",i,LoginName,&config_f);
5280 ConfValue("oper","host",i,HostName,&config_f);
5281 ConfValue("oper","type",i,OperType,&config_f);
5282 WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
5286 /* stats l (show user I/O stats) */
5287 if (!strcasecmp(parameters[0],"l"))
5289 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
5290 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
5292 if (isnick(i->second->nick))
5294 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);
5298 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);
5304 /* stats u (show server uptime) */
5305 if (!strcasecmp(parameters[0],"u"))
5307 time_t current_time = 0;
5308 current_time = time(NULL);
5309 time_t server_uptime = current_time - startup_time;
5311 stime = gmtime(&server_uptime);
5312 /* i dont know who the hell would have an ircd running for over a year nonstop, but
5313 * Craig suggested this, and it seemed a good idea so in it went */
5314 if (stime->tm_year > 70)
5316 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);
5320 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);
5324 WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
5325 WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
5329 void handle_connect(char **parameters, int pcnt, userrec *user)
5331 char Link_ServerName[1024];
5332 char Link_IPAddr[1024];
5333 char Link_Port[1024];
5334 char Link_Pass[1024];
5338 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
5342 ConfValue("link","name",i,Link_ServerName,&config_f);
5343 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
5344 ConfValue("link","port",i,Link_Port,&config_f);
5345 ConfValue("link","sendpass",i,Link_Pass,&config_f);
5346 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5347 LinkPort = atoi(Link_Port);
5348 if (match(Link_ServerName,parameters[0])) {
5356 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
5360 // TODO: Perform a check here to stop a server being linked twice!
5362 WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
5364 if (me[defaultRoute])
5366 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
5371 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);
5375 void DoSplitEveryone()
5377 bool go_again = true;
5381 for (int i = 0; i < 32; i++)
5385 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
5387 if (strcasecmp(j->GetServerName().c_str(),ServerName))
5390 j->CloseConnection();
5391 me[i]->connectors.erase(j);
5399 log(DEBUG,"Removed server. Will remove clients...");
5400 // iterate through the userlist and remove all users on this server.
5401 // because we're dealing with a mesh, we dont have to deal with anything
5402 // "down-route" from this server (nice huh)
5404 char reason[MAXBUF];
5408 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
5410 if (strcasecmp(u->second->server,ServerName))
5412 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
5413 kill_link(u->second,reason);
5423 void handle_squit(char **parameters, int pcnt, userrec *user)
5425 // send out an squit across the mesh and then clear the server list (for local squit)
5428 WriteOpers("SQUIT command issued by %s",user->nick);
5429 char buffer[MAXBUF];
5430 snprintf(buffer,MAXBUF,"& %s",ServerName);
5431 NetSendToAll(buffer);
5436 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
5440 char islast(const char* s)
5443 for (int j = 0; j < 32; j++)
5447 for (int k = 0; k < me[j]->connectors.size(); k++)
5449 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
5453 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
5463 long map_count(const char* s)
5466 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
5468 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
5473 void handle_links(char **parameters, int pcnt, userrec *user)
5475 WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
5476 for (int j = 0; j < 32; j++)
5480 for (int k = 0; k < me[j]->connectors.size(); k++)
5482 WriteServ(user->fd,"364 %s %s %s :1 %s",user->nick,me[j]->connectors[k].GetServerName().c_str(),ServerName,me[j]->connectors[k].GetDescription().c_str());
5486 WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
5489 void handle_map(char **parameters, int pcnt, userrec *user)
5492 snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
5493 while (strlen(line) < 50)
5495 WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)usercnt())*100));
5496 for (int j = 0; j < 32; j++)
5500 for (int k = 0; k < me[j]->connectors.size(); k++)
5502 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
5503 while (strlen(line) < 50)
5505 WriteServ(user->fd,"%s%d (%.2f%%)",line,map_count(me[j]->connectors[k].GetServerName().c_str()),(float)(((float)map_count(me[j]->connectors[k].GetServerName().c_str())/(float)usercnt())*100));
5509 WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
5513 void handle_oper(char **parameters, int pcnt, userrec *user)
5515 char LoginName[MAXBUF];
5516 char Password[MAXBUF];
5517 char OperType[MAXBUF];
5518 char TypeName[MAXBUF];
5519 char Hostname[MAXBUF];
5522 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
5524 ConfValue("oper","name",i,LoginName,&config_f);
5525 ConfValue("oper","password",i,Password,&config_f);
5526 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])))
5528 /* correct oper credentials */
5529 ConfValue("oper","type",i,OperType,&config_f);
5530 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
5531 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
5532 WriteServ(user->fd,"MODE %s :+o",user->nick);
5533 for (j =0; j < ConfValueEnum("type",&config_f); j++)
5535 ConfValue("type","name",j,TypeName,&config_f);
5536 if (!strcmp(TypeName,OperType))
5538 /* found this oper's opertype */
5539 ConfValue("type","host",j,Hostname,&config_f);
5540 ChangeDisplayedHost(user,Hostname);
5543 if (!strchr(user->modes,'o'))
5545 strcat(user->modes,"o");
5547 FOREACH_MOD OnOper(user);
5552 WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
5553 WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
5556 void handle_nick(char **parameters, int pcnt, userrec *user)
5560 log(DEBUG,"not enough params for handle_nick");
5565 log(DEBUG,"invalid parameter passed to handle_nick");
5568 if (!strlen(parameters[0]))
5570 log(DEBUG,"zero length new nick passed to handle_nick");
5575 log(DEBUG,"invalid user passed to handle_nick");
5580 log(DEBUG,"invalid old nick passed to handle_nick");
5583 if (!strcasecmp(user->nick,parameters[0]))
5585 log(DEBUG,"old nick is new nick, skipping");
5590 if (strlen(parameters[0]) > 1)
5592 if (parameters[0][0] == ':')
5597 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
5599 WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
5603 if (isnick(parameters[0]) == 0)
5605 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
5609 if (user->registered == 7)
5611 WriteCommon(user,"NICK %s",parameters[0]);
5613 // Q token must go to ALL servers!!!
5614 char buffer[MAXBUF];
5615 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
5616 NetSendToAll(buffer);
5620 /* change the nick of the user in the users_hash */
5621 user = ReHashNick(user->nick, parameters[0]);
5622 /* actually change the nick within the record */
5624 if (!user->nick) return;
5626 strncpy(user->nick, parameters[0],NICKMAX);
5628 log(DEBUG,"new nick set: %s",user->nick);
5630 if (user->registered < 3)
5631 user->registered = (user->registered | 2);
5632 if (user->registered == 3)
5634 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
5637 log(DEBUG,"exit nickchange: %s",user->nick);
5640 void force_nickchange(userrec* user,const char* newnick)
5649 strncpy(nick,newnick,MAXBUF);
5651 if (user->registered == 7)
5655 handle_nick(pars,1,user);
5661 int process_parameters(char **command_p,char *parameters)
5666 q = strlen(parameters);
5669 /* no parameters, command_p invalid! */
5672 if (parameters[0] == ':')
5674 command_p[0] = parameters+1;
5679 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
5681 /* only one parameter */
5682 command_p[0] = parameters;
5683 if (parameters[0] == ':')
5685 if (strchr(parameters,' ') != NULL)
5693 command_p[j++] = parameters;
5694 for (int i = 0; i <= q; i++)
5696 if (parameters[i] == ' ')
5698 command_p[j++] = parameters+i+1;
5699 parameters[i] = '\0';
5700 if (command_p[j-1][0] == ':')
5702 *command_p[j-1]++; /* remove dodgy ":" */
5704 /* parameter like this marks end of the sequence */
5708 return j; /* returns total number of items in the list */
5711 void process_command(userrec *user, char* cmd)
5715 char *command_p[127];
5716 char p[MAXBUF], temp[MAXBUF];
5717 int i, j, items, cmd_found;
5719 for (int i = 0; i < 127; i++)
5720 command_p[i] = NULL;
5730 if (!strcmp(cmd,""))
5735 int total_params = 0;
5738 for (int q = 0; q < strlen(cmd)-1; q++)
5740 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
5743 // found a 'trailing', we dont count them after this.
5751 // another phidjit bug...
5752 if (total_params > 126)
5754 kill_link(user,"Protocol violation (1)");
5760 std::string tmp = cmd;
5761 for (int i = 0; i <= MODCOUNT; i++)
5763 std::string oldtmp = tmp;
5764 modules[i]->OnServerRaw(tmp,true);
5767 log(DEBUG,"A Module changed the input string!");
5768 log(DEBUG,"New string: %s",tmp.c_str());
5769 log(DEBUG,"Old string: %s",oldtmp.c_str());
5773 strncpy(cmd,tmp.c_str(),MAXBUF);
5776 if (!strchr(cmd,' '))
5778 /* no parameters, lets skip the formalities and not chop up
5780 log(DEBUG,"About to preprocess command with no params");
5782 command_p[0] = NULL;
5784 for (int i = 0; i <= strlen(cmd); i++)
5786 cmd[i] = toupper(cmd[i]);
5788 log(DEBUG,"Preprocess done length=%d",strlen(cmd));
5795 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
5796 for (int i = 0; i < strlen(temp); i++)
5798 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
5804 /* split the full string into a command plus parameters */
5808 if (strchr(cmd,' '))
5810 for (int i = 0; i <= strlen(cmd); i++)
5812 /* capitalise the command ONLY, leave params intact */
5813 cmd[i] = toupper(cmd[i]);
5814 /* are we nearly there yet?! :P */
5818 parameters = cmd+i+1;
5826 for (int i = 0; i <= strlen(cmd); i++)
5828 cmd[i] = toupper(cmd[i]);
5835 if (strlen(command)>MAXCOMMAND)
5837 kill_link(user,"Protocol violation (2)");
5841 for (int x = 0; x < strlen(command); x++)
5843 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
5845 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
5847 if (!strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
5849 kill_link(user,"Protocol violation (3)");
5856 for (int i = 0; i != cmdlist.size(); i++)
5858 if (strcmp(cmdlist[i].command,""))
5860 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
5862 log(DEBUG,"Found matching command");
5866 if (strcmp(parameters,""))
5868 items = process_parameters(command_p,parameters);
5873 command_p[0] = NULL;
5879 command_p[0] = NULL;
5884 log(DEBUG,"Processing command");
5886 /* activity resets the ping pending timer */
5887 user->nping = time(NULL) + 120;
5888 if ((items) < cmdlist[i].min_params)
5890 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
5891 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
5894 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
5896 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
5897 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
5901 /* if the command isnt USER, PASS, or NICK, and nick is empty,
5903 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
5905 if ((!isnick(user->nick)) || (user->registered != 7))
5907 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
5908 WriteServ(user->fd,"451 %s :You have not registered",command);
5912 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
5914 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
5915 if (cmdlist[i].handler_function)
5917 /* ikky /stats counters */
5922 user->bytes_in += strlen(temp);
5925 cmdlist[i].use_count++;
5926 cmdlist[i].total_bytes+=strlen(temp);
5929 /* WARNING: nothing may come after the
5930 * command handler call, as the handler
5931 * may free the user structure! */
5933 cmdlist[i].handler_function(command_p,items,user);
5939 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
5940 WriteServ(user->fd,"451 %s :You have not registered",command);
5948 if ((!cmd_found) && (user))
5950 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
5951 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
5956 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
5959 /* create the command and push it onto the table */
5960 strcpy(comm.command,cmd);
5961 comm.handler_function = f;
5962 comm.flags_needed = flags;
5963 comm.min_params = minparams;
5965 comm.total_bytes = 0;
5966 cmdlist.push_back(comm);
5967 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
5970 void SetupCommandTable(void)
5972 createcommand("USER",handle_user,0,4);
5973 createcommand("NICK",handle_nick,0,1);
5974 createcommand("QUIT",handle_quit,0,0);
5975 createcommand("VERSION",handle_version,0,0);
5976 createcommand("PING",handle_ping,0,1);
5977 createcommand("PONG",handle_pong,0,1);
5978 createcommand("ADMIN",handle_admin,0,0);
5979 createcommand("PRIVMSG",handle_privmsg,0,2);
5980 createcommand("INFO",handle_info,0,0);
5981 createcommand("TIME",handle_time,0,0);
5982 createcommand("WHOIS",handle_whois,0,1);
5983 createcommand("WALLOPS",handle_wallops,'o',1);
5984 createcommand("NOTICE",handle_notice,0,2);
5985 createcommand("JOIN",handle_join,0,1);
5986 createcommand("NAMES",handle_names,0,1);
5987 createcommand("PART",handle_part,0,1);
5988 createcommand("KICK",handle_kick,0,2);
5989 createcommand("MODE",handle_mode,0,1);
5990 createcommand("TOPIC",handle_topic,0,1);
5991 createcommand("WHO",handle_who,0,1);
5992 createcommand("MOTD",handle_motd,0,0);
5993 createcommand("RULES",handle_rules,0,0);
5994 createcommand("OPER",handle_oper,0,2);
5995 createcommand("LIST",handle_list,0,0);
5996 createcommand("DIE",handle_die,'o',1);
5997 createcommand("RESTART",handle_restart,'o',1);
5998 createcommand("KILL",handle_kill,'o',2);
5999 createcommand("REHASH",handle_rehash,'o',0);
6000 createcommand("LUSERS",handle_lusers,0,0);
6001 createcommand("STATS",handle_stats,0,1);
6002 createcommand("USERHOST",handle_userhost,0,1);
6003 createcommand("AWAY",handle_away,0,0);
6004 createcommand("ISON",handle_ison,0,0);
6005 createcommand("SUMMON",handle_summon,0,0);
6006 createcommand("USERS",handle_users,0,0);
6007 createcommand("INVITE",handle_invite,0,2);
6008 createcommand("PASS",handle_pass,0,1);
6009 createcommand("TRACE",handle_trace,'o',0);
6010 createcommand("WHOWAS",handle_whowas,0,1);
6011 createcommand("CONNECT",handle_connect,'o',1);
6012 createcommand("SQUIT",handle_squit,'o',0);
6013 createcommand("MODULES",handle_modules,'o',0);
6014 createcommand("LINKS",handle_links,0,0);
6015 createcommand("MAP",handle_map,0,0);
6018 void process_buffer(const char* cmdbuf,userrec *user)
6022 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
6029 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
6032 if (!strcmp(cmdbuf,""))
6036 strncpy(cmd,cmdbuf,MAXBUF);
6037 if (!strcmp(cmd,""))
6041 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
6043 cmd[strlen(cmd)-1] = '\0';
6045 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
6047 cmd[strlen(cmd)-1] = '\0';
6049 if (!strcmp(cmd,""))
6053 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
6055 if ((user) && (cmd))
6057 process_command(user,cmd);
6061 void DoSync(serverrec* serv, char* udp_host)
6064 // send start of sync marker: Y <timestamp>
6065 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
6066 // except the ones its receiving it from.
6067 snprintf(data,MAXBUF,"Y %d",time(NULL));
6068 serv->SendPacket(data,udp_host);
6069 // send users and channels
6070 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
6072 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);
6073 serv->SendPacket(data,udp_host);
6074 if (strcmp(chlist(u->second),""))
6076 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chlist(u->second));
6077 serv->SendPacket(data,udp_host);
6080 // send channel modes, topics etc...
6081 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
6083 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
6084 serv->SendPacket(data,udp_host);
6085 if (strcmp(c->second->topic,""))
6087 snprintf(data,MAXBUF,"T %d %s %s :%s",c->second->topicset,c->second->setby,c->second->name,c->second->topic);
6088 serv->SendPacket(data,udp_host);
6090 // send current banlist
6092 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
6094 snprintf(data,MAXBUF,"M %s +b %s",b->set_time,c->second->name,b->data);
6095 serv->SendPacket(data,udp_host);
6098 // send end of sync marker: E <timestamp>
6099 snprintf(data,MAXBUF,"F %d",time(NULL));
6100 serv->SendPacket(data,udp_host);
6101 // ircd sends its serverlist after the end of sync here
6105 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6107 char* src = strtok(params," ");
6108 char* dest = strtok(NULL," :");
6109 char* text = strtok(NULL,"\r\n");
6112 userrec* user = Find(src);
6115 userrec* dst = Find(dest);
6119 WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
6123 chanrec* d = FindChan(dest);
6126 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
6134 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6136 char* src = strtok(params," ");
6137 char* dest = strtok(NULL," :");
6138 char* text = strtok(NULL,"\r\n");
6141 userrec* user = Find(src);
6144 userrec* dst = Find(dest);
6148 WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
6152 chanrec* d = FindChan(dest);
6155 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
6162 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6164 char* nick = strtok(params," ");
6165 char* from = strtok(NULL," ");
6166 char* channel = strtok(NULL," ");
6167 userrec* u = Find(nick);
6168 userrec* user = Find(from);
6169 chanrec* c = FindChan(channel);
6170 if ((c) && (u) && (user))
6172 u->InviteTo(c->name);
6173 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
6177 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6179 char* setby = strtok(params," ");
6180 char* channel = strtok(NULL," :");
6181 char* topic = strtok(NULL,"\r\n");
6183 userrec* u = Find(setby);
6184 chanrec* c = FindChan(channel);
6187 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
6188 strncpy(c->topic,topic,MAXTOPIC);
6189 strncpy(c->setby,u->nick,NICKMAX);
6194 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6196 char* tm = strtok(params," ");
6197 char* setby = strtok(NULL," ");
6198 char* channel = strtok(NULL," :");
6199 char* topic = strtok(NULL,"\r\n");
6201 time_t TS = atoi(tm);
6202 chanrec* c = FindChan(channel);
6205 // in the case of topics and TS, the *NEWER*
6206 if (TS <= c->topicset)
6208 WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
6209 strncpy(c->topic,topic,MAXTOPIC);
6210 strncpy(c->setby,setby,NICKMAX);
6215 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6218 char original[MAXBUF],target[MAXBUF];
6219 strncpy(original,params,MAXBUF);
6221 char* parameter = strtok(params," ");
6222 strncpy(target,parameter,MAXBUF);
6225 pars[index++] = parameter;
6226 parameter = strtok(NULL," ");
6228 merge_mode(pars,index);
6229 if (FindChan(target))
6231 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
6235 WriteTo(NULL,Find(target),"MODE %s",original);
6239 // m is modes set by users only (not servers) valid targets are channels or users.
6241 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6243 // m blah #chatspike +b *!test@*4
6245 char original[MAXBUF];
6246 strncpy(original,params,MAXBUF);
6248 if (!strchr(params,' '))
6250 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
6256 char* src = strtok(params," ");
6257 userrec* user = Find(src);
6261 log(DEBUG,"Found user: %s",user->nick);
6262 char* parameter = strtok(NULL," ");
6265 pars[index++] = parameter;
6266 parameter = strtok(NULL," ");
6269 log(DEBUG,"Calling merge_mode2");
6270 merge_mode2(pars,index,user);
6275 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6277 char* nick = strtok(params," ");
6278 char* channel = strtok(NULL," :");
6279 char* reason = strtok(NULL,"\r\n");
6280 userrec* user = Find(nick);
6284 if (strcmp(reason,""))
6286 del_channel(user,channel,reason,true);
6290 del_channel(user,channel,NULL,true);
6295 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6297 char* src = strtok(params," ");
6298 char* nick = strtok(NULL," :");
6299 char* reason = strtok(NULL,"\r\n");
6300 char kreason[MAXBUF];
6303 userrec* u = Find(nick);
6304 userrec* user = Find(src);
6308 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
6309 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
6310 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
6311 kill_link(u,kreason);
6315 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6317 char* nick = strtok(params," :");
6318 char* reason = strtok(NULL,"\r\n");
6321 userrec* user = Find(nick);
6325 if (strlen(reason)>MAXQUIT)
6327 reason[MAXQUIT-1] = '\0';
6331 WriteCommonExcept(user,"QUIT :%s",reason);
6333 user_hash::iterator iter = clientlist.find(user->nick);
6335 if (iter != clientlist.end())
6337 log(DEBUG,"deleting user hash value %d",iter->second);
6338 if ((iter->second) && (user->registered == 7)) {
6339 delete iter->second;
6341 clientlist.erase(iter);
6344 purge_empty_chans();
6348 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6350 char* oldnick = strtok(params," ");
6351 char* newnick = strtok(NULL," ");
6353 userrec* user = Find(oldnick);
6357 WriteCommon(user,"NICK %s",newnick);
6358 user = ReHashNick(user->nick, newnick);
6360 if (!user->nick) return;
6361 strncpy(user->nick, newnick,NICKMAX);
6362 log(DEBUG,"new nick set: %s",user->nick);
6366 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
6367 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6369 char* src = strtok(params," ");
6370 char* dest = strtok(NULL," ");
6371 char* channel = strtok(NULL," :");
6372 char* reason = strtok(NULL,"\r\n");
6374 userrec* s = Find(src);
6375 userrec* d = Find(dest);
6376 chanrec* c = FindChan(channel);
6377 if ((s) && (d) && (c))
6379 kick_channel(s,d,c,reason);
6383 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6385 char* who = strtok(params," :");
6386 char* text = strtok(NULL,"\r\n");
6388 userrec* s = Find(who);
6391 WriteWallOps(s,true,text);
6396 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6398 char* tm = strtok(params," ");
6399 char* nick = strtok(NULL," ");
6400 char* host = strtok(NULL," ");
6401 char* dhost = strtok(NULL," ");
6402 char* ident = strtok(NULL," ");
6403 char* modes = strtok(NULL," ");
6404 char* server = strtok(NULL," :");
6405 char* gecos = strtok(NULL,"\r\n");
6408 time_t TS = atoi(tm);
6409 user_hash::iterator iter = clientlist.find(nick);
6410 if (iter != clientlist.end())
6413 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
6415 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
6416 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
6417 kill_link(iter->second,str);
6419 clientlist[nick] = new userrec();
6420 // remote users have an fd of -1. This is so that our Write abstraction
6421 // routines know to route any messages to this record away to whatever server
6423 clientlist[nick]->fd = -1;
6424 strncpy(clientlist[nick]->nick, nick,NICKMAX);
6425 strncpy(clientlist[nick]->host, host,160);
6426 strncpy(clientlist[nick]->dhost, dhost,160);
6427 strncpy(clientlist[nick]->server, server,256);
6428 strncpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
6429 strncpy(clientlist[nick]->fullname, gecos,128);
6430 clientlist[nick]->signon = TS;
6431 clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
6432 clientlist[nick]->lastping = 1;
6433 clientlist[nick]->port = 0; // so is this...
6434 clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
6435 clientlist[nick]->idle_lastmsg = time(NULL); // this is unrealiable and wont actually be used locally
6436 for (int i = 0; i < MAXCHANS; i++)
6438 clientlist[nick]->chans[i].channel = NULL;
6439 clientlist[nick]->chans[i].uc_modes = 0;
6443 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6445 long tdiff = time(NULL) - atoi(params);
6447 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
6450 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6452 char* nick = strtok(params," :");
6453 char* gecos = strtok(NULL,"\r\n");
6455 userrec* user = Find(nick);
6458 strncpy(user->fullname,gecos,MAXBUF);
6461 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6463 char* nick = strtok(params," :");
6464 char* host = strtok(NULL,"\r\n");
6466 userrec* user = Find(nick);
6469 strncpy(user->dhost,host,160);
6472 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6475 // + test3.chatspike.net 7010 -2016508415
6476 char* servername = strtok(params," ");
6477 char* ipaddr = strtok(NULL," ");
6478 char* ipport = strtok(NULL," ");
6479 char* cookie = strtok(NULL," ");
6480 log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
6483 bool conn_already = false;
6484 for (int i = 0; i < 32; i++)
6488 for (int j = 0; j < me[i]->connectors.size(); j++)
6490 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
6492 if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
6494 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
6495 conn_already = true;
6502 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
6505 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6507 char* server = strtok(params," ");
6508 char* data = strtok(NULL,"\r\n");
6509 log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
6510 NetSendToOne(server,data);
6513 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6516 // The J token currently has no timestamp - this needs looking at
6517 // because it will allow splitriding.
6518 char* nick = strtok(params," ");
6519 char* channel = strtok(NULL," ");
6520 userrec* user = Find(nick);
6523 if ((user != NULL) && (strcmp(channel,"")))
6525 char privilage = '\0';
6526 if (channel[0] != '#')
6528 privilage = channel[0];
6531 add_channel(user,channel,"",true);
6533 // now work out the privilages they should have on each channel
6534 // and send the appropriate servermodes.
6535 for (int i = 0; i != MAXCHANS; i++)
6537 if (user->chans[i].channel)
6539 if (!strcasecmp(user->chans[i].channel->name,channel))
6541 if (privilage == '@')
6543 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
6544 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
6546 if (privilage == '%')
6548 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
6549 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
6551 if (privilage == '+')
6553 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
6554 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
6561 channel = strtok(NULL," ");
6565 void NetSendMyRoutingTable()
6567 // send out a line saying what is reachable to us.
6568 // E.g. if A is linked to B C and D, send out:
6570 // if its only linked to B and D send out:
6572 // if it has no links, dont even send out the line at all.
6573 char buffer[MAXBUF];
6574 sprintf(buffer,"$ %s",ServerName);
6575 bool sendit = false;
6576 for (int i = 0; i < 32; i++)
6580 for (int j = 0; j < me[i]->connectors.size(); j++)
6582 if (me[i]->connectors[j].GetState() != STATE_DISCONNECTED)
6584 strncat(buffer," ",MAXBUF);
6585 strncat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
6592 NetSendToAll(buffer);
6595 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6597 log(DEBUG,"Storing routing table...");
6598 char* sourceserver = strtok(params," ");
6599 char* server = strtok(NULL," ");
6600 for (int i = 0; i < 32; i++)
6604 for (int j = 0; j < me[i]->connectors.size(); j++)
6606 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
6608 me[i]->connectors[j].routes.clear();
6609 log(DEBUG,"Found entry for source server.");
6613 me[i]->connectors[j].routes.push_back(server);
6614 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
6615 server = strtok(NULL," ");
6622 log(DEBUG,"Warning! routing table received from nonexistent server!");
6626 void DoSplit(const char* params)
6628 bool go_again = true;
6632 for (int i = 0; i < 32; i++)
6636 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
6638 if (!strcasecmp(j->GetServerName().c_str(),params))
6641 j->CloseConnection();
6642 me[i]->connectors.erase(j);
6650 log(DEBUG,"Removed server. Will remove clients...");
6651 // iterate through the userlist and remove all users on this server.
6652 // because we're dealing with a mesh, we dont have to deal with anything
6653 // "down-route" from this server (nice huh)
6655 char reason[MAXBUF];
6656 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
6660 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
6662 if (!strcasecmp(u->second->server,params))
6664 kill_link(u->second,reason);
6672 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6674 log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
6675 bool go_again = true;
6679 for (int i = 0; i < 32; i++)
6683 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
6685 if (!strcasecmp(j->GetServerName().c_str(),params))
6688 j->CloseConnection();
6689 me[i]->connectors.erase(j);
6697 log(DEBUG,"Removed server. Will remove clients...");
6698 // iterate through the userlist and remove all users on this server.
6699 // because we're dealing with a mesh, we dont have to deal with anything
6700 // "down-route" from this server (nice huh)
6702 char reason[MAXBUF];
6703 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
6707 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
6709 if (!strcasecmp(u->second->server,params))
6711 kill_link(u->second,reason);
6722 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,char* ipaddr,int port)
6724 char buffer[MAXBUF];
6731 nb_start = time(NULL);
6732 WriteOpers("Server %s is starting netburst.",udp_host);
6733 // now broadcast this new servers address out to all servers that are linked to us,
6734 // except the newcomer. They'll all attempt to connect back to it.
6735 authcookie = rand()*rand();
6736 snprintf(buffer,MAXBUF,"~ %d",authcookie);
6737 NetSendToAll(buffer);
6741 // once stored, this authcookie permits other servers to log in
6742 // without user or password, using it.
6744 auth_cookies.push_back(atoi(params));
6745 log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
6747 // connect back to a server using an authcookie
6749 handle_plus(token,params,source,reply,udp_host);
6753 handle_dollar(token,params,source,reply,udp_host);
6755 // node unreachable - we cant route to a server, sooooo we slit it off.
6756 // servers can generate these for themselves for an squit.
6758 handle_amp(token,params,source,reply,udp_host);
6760 // R <server> <data>
6761 // redirect token, send all of <data> along to the given
6762 // server as this server has been found to still have a route to it
6764 handle_R(token,params,source,reply,udp_host);
6769 reply->SendPacket("!",udp_host);
6779 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
6780 // introduce remote client
6782 handle_N(token,params,source,reply,udp_host);
6784 // a <NICK> :<GECOS>
6785 // change GECOS (SETNAME)
6787 handle_a(token,params,source,reply,udp_host);
6790 // change displayed host (SETHOST)
6792 handle_b(token,params,source,reply,udp_host);
6794 // t <NICK> <CHANNEL> :<TOPIC>
6795 // change a channel topic
6797 handle_t(token,params,source,reply,udp_host);
6799 // i <NICK> <CHANNEL>
6800 // invite a user to a channel
6802 handle_i(token,params,source,reply,udp_host);
6804 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
6805 // kick a user from a channel
6807 handle_k(token,params,source,reply,udp_host);
6809 // n <NICK> <NEWNICK>
6810 // change nickname of client -- a server should only be able to
6811 // change the nicknames of clients that reside on it unless
6814 handle_n(token,params,source,reply,udp_host);
6816 // J <NICK> <CHANLIST>
6817 // Join user to channel list, merge channel permissions
6819 handle_J(token,params,source,reply,udp_host);
6821 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
6822 // change channel topic (netburst only)
6824 handle_T(token,params,source,reply,udp_host);
6826 // M <TARGET> <MODES> [MODE-PARAMETERS]
6827 // Server setting modes on an object
6829 handle_M(token,params,source,reply,udp_host);
6831 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
6832 // User setting modes on an object
6834 handle_m(token,params,source,reply,udp_host);
6836 // P <SOURCE> <TARGET> :<TEXT>
6837 // Send a private/channel message
6839 handle_P(token,params,source,reply,udp_host);
6841 // V <SOURCE> <TARGET> :<TEXT>
6842 // Send a private/channel notice
6844 handle_V(token,params,source,reply,udp_host);
6846 // L <SOURCE> <CHANNEL> :<REASON>
6847 // User parting a channel
6849 handle_L(token,params,source,reply,udp_host);
6851 // Q <SOURCE> :<REASON>
6854 handle_Q(token,params,source,reply,udp_host);
6856 // K <SOURCE> <DEST> :<REASON>
6859 handle_K(token,params,source,reply,udp_host);
6861 // @ <SOURCE> :<TEXT>
6864 handle_AT(token,params,source,reply,udp_host);
6869 WriteOpers("Server %s has completed netburst. (%d secs)",udp_host,time(NULL)-nb_start);
6870 handle_F(token,params,source,reply,udp_host);
6872 // tell all the other servers to use this authcookie to connect back again
6873 // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
6874 snprintf(buffer,MAXBUF,"+ %s %s %d %d",udp_host,ipaddr,port,authcookie);
6875 NetSendToAllExcept(udp_host,buffer);
6878 // Send netburst now
6880 WriteOpers("Sending my netburst to %s",udp_host);
6881 DoSync(source,udp_host);
6882 WriteOpers("Send of netburst to %s completed",udp_host);
6883 NetSendMyRoutingTable();
6887 WriteOpers("WARNING! Unknown datagram type '%c'",token);
6893 void handle_link_packet(char* udp_msg, char* udp_host, serverrec *serv)
6895 char response[10240];
6896 char token = udp_msg[0];
6897 char* params = udp_msg + 2;
6898 char finalparam[1024];
6899 strcpy(finalparam," :xxxx");
6900 if (strstr(params," :")) {
6901 strncpy(finalparam,strstr(params," :"),1024);
6904 char* cookie = strtok(params," ");
6905 char* servername = strtok(NULL," ");
6906 char* serverdesc = finalparam+2;
6908 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,udp_host);
6910 for (int u = 0; u < auth_cookies.size(); u++)
6912 if (auth_cookies[u] == atoi(cookie))
6914 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
6917 for (int j = 0; j < 32; j++)
6921 for (int k = 0; k < me[j]->connectors.size(); k++)
6923 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
6925 me[j]->connectors[k].SetServerName(servername);
6926 NetSendMyRoutingTable();
6931 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",udp_host);
6939 // bad cookie, bad bad! go sit in the corner!
6940 WriteOpers("Bad cookie from %s!",servername);
6945 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
6946 char* servername = strtok(params," ");
6947 char* password = strtok(NULL," ");
6948 char* myport = strtok(NULL," ");
6949 char* serverdesc = finalparam+2;
6950 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,udp_host,atoi(myport));
6952 for (int j = 0; j < serv->connectors.size(); j++)
6954 if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),udp_host))
6956 serv->connectors[j].SetServerName(servername);
6957 serv->connectors[j].SetServerPort(atoi(myport));
6962 char Link_ServerName[1024];
6963 char Link_IPAddr[1024];
6964 char Link_Port[1024];
6965 char Link_Pass[1024];
6966 char Link_SendPass[1024];
6969 // search for a corresponding <link> block in the config files
6970 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
6972 ConfValue("link","name",i,Link_ServerName,&config_f);
6973 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
6974 ConfValue("link","port",i,Link_Port,&config_f);
6975 ConfValue("link","recvpass",i,Link_Pass,&config_f);
6976 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
6977 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
6978 LinkPort = atoi(Link_Port);
6979 if (!strcasecmp(Link_ServerName,servername))
6981 // we have a matching link line -
6982 // send a 'diminutive' server message back...
6983 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
6984 serv->SendPacket(response,servername);
6988 char buffer[MAXBUF];
6989 sprintf(buffer,"E :Access is denied (no matching link block)");
6990 serv->SendPacket(buffer,udp_host);
6991 WriteOpers("CONNECT from %s denied, no matching link block",servername);
6996 // S test.chatspike.net password :ChatSpike InspIRCd test server
6997 char* servername = strtok(params," ");
6998 char* password = strtok(NULL," ");
6999 char* serverdesc = finalparam+2;
7001 // TODO: we should do a check here to ensure that this server is one we recently initiated a
7002 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
7003 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
7004 // a connect, so put out an oper alert!
7009 // for now, just accept all, we'll fix that later.
7010 WriteOpers("%s accepted our link credentials ",servername);
7012 char Link_ServerName[1024];
7013 char Link_IPAddr[1024];
7014 char Link_Port[1024];
7015 char Link_Pass[1024];
7016 char Link_SendPass[1024];
7019 // search for a corresponding <link> block in the config files
7020 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
7022 ConfValue("link","name",i,Link_ServerName,&config_f);
7023 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
7024 ConfValue("link","port",i,Link_Port,&config_f);
7025 ConfValue("link","recvpass",i,Link_Pass,&config_f);
7026 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
7027 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
7028 LinkPort = atoi(Link_Port);
7029 if (!strcasecmp(Link_ServerName,servername))
7031 // matching link at this end too, we're all done!
7032 // at this point we must begin key exchange and insert this
7033 // server into our 'active' table.
7034 for (int j = 0; j < 32; j++)
7038 for (int k = 0; k < me[j]->connectors.size(); k++)
7040 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
7042 char buffer[MAXBUF];
7043 sprintf(buffer,"X 0");
7044 serv->SendPacket(buffer,udp_host);
7045 DoSync(me[j],udp_host);
7046 NetSendMyRoutingTable();
7051 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",udp_host);
7056 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
7059 char buffer[MAXBUF];
7060 sprintf(buffer,"E :Access is denied (no matching link block)");
7061 serv->SendPacket(buffer,udp_host);
7062 WriteOpers("CONNECT from %s denied, no matching link block",servername);
7067 char* error_message = finalparam+2;
7068 WriteOpers("ERROR from %s: %s",udp_host,error_message);
7069 // remove this server from any lists
7074 serverrec* source_server = NULL;
7076 for (int j = 0; j < 32; j++)
7080 for (int x = 0; x < me[j]->connectors.size(); x++)
7082 log(DEBUG,"Servers are: '%s' '%s'",udp_host,me[j]->connectors[x].GetServerName().c_str());
7083 if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),udp_host))
7085 log(DEBUG,"match! process restricted stuff here");
7086 // found a valid ircd_connector.
7087 // TODO: Fix this so it only lets servers in that are in the
7088 // STATE_CONNECTED state!!!
7089 process_restricted_commands(token,params,me[j],serv,udp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
7096 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",udp_host,token);
7100 int reap_counter = 0;
7104 struct sockaddr_in client, server;
7105 char addrs[MAXBUF][255];
7106 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
7108 int count = 0, scanDetectTrigger = TRUE, showBanner = FALSE;
7109 int selectResult = 0, selectResult2 = 0;
7110 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
7111 char resolvedHost[MAXBUF];
7115 log_file = fopen("ircd.log","a+");
7118 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
7122 log(DEBUG,"InspIRCd: startup: begin");
7126 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
7128 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
7130 SetupCommandTable();
7131 log(DEBUG,"InspIRCd: startup: default command table set up");
7134 if (strcmp(DieValue,""))
7136 printf("WARNING: %s\n\n",DieValue);
7139 log(DEBUG,"InspIRCd: startup: read config");
7141 int count2 = 0, count3 = 0;
7143 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
7145 ConfValue("bind","port",count,configToken,&config_f);
7146 ConfValue("bind","address",count,Addr,&config_f);
7147 ConfValue("bind","type",count,Type,&config_f);
7148 if (!strcmp(Type,"servers"))
7150 char Default[MAXBUF];
7151 strcpy(Default,"no");
7152 ConfValue("bind","default",count,Default,&config_f);
7153 if (strchr(Default,'y'))
7155 defaultRoute = count3;
7156 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
7158 me[count3] = new serverrec(ServerName,100L,false);
7159 me[count3]->CreateListener(Addr,atoi(configToken));
7164 ports[count2] = atoi(configToken);
7165 strcpy(addrs[count2],Addr);
7168 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
7171 UDPportCount = count3;
7173 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
7175 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
7179 /* BugFix By Craig! :p */
7181 for (count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
7183 char modfile[MAXBUF];
7184 ConfValue("module","name",count2,configToken,&config_f);
7185 sprintf(modfile,"%s/%s",MOD_PATH,configToken,&config_f);
7186 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
7187 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
7188 /* If The File Doesnt exist, Trying to load it
7189 * Will Segfault the IRCd.. So, check to see if
7190 * it Exists, Before Proceeding. */
7191 if (FileExists(modfile))
7193 factory[count] = new ircd_module(modfile);
7194 if (factory[count]->LastError())
7196 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
7197 sprintf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
7200 if (factory[count]->factory)
7202 modules[count] = factory[count]->factory->CreateModule();
7203 /* save the module and the module's classfactory, if
7204 * this isnt done, random crashes can occur :/ */
7205 module_names.push_back(modfile);
7209 log(DEBUG,"Unable to load %s",modfile);
7210 sprintf("Unable to load %s\nExiting...\n",modfile);
7213 /* Increase the Count */
7218 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
7219 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
7222 MODCOUNT = count - 1;
7223 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
7225 printf("\nInspIRCd is now running!\n");
7227 startup_time = time(NULL);
7231 log(VERBOSE,"Not forking as -nofork was specified");
7235 if (DaemonSeed() == ERROR)
7237 log(DEBUG,"InspIRCd: startup: can't daemonise");
7238 printf("ERROR: could not go into daemon mode. Shutting down.\n");
7244 /* setup select call */
7245 FD_ZERO(&selectFds);
7246 log(DEBUG,"InspIRCd: startup: zero selects");
7247 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
7249 for (count = 0; count < portCount; count++)
7251 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
7253 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
7256 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
7258 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
7260 else /* well we at least bound to one socket so we'll continue */
7266 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
7268 /* if we didn't bind to anything then abort */
7269 if (boundPortCount == 0)
7271 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
7276 length = sizeof (client);
7277 char udp_msg[MAXBUF], udp_host[MAXBUF];
7279 /* main loop, this never returns */
7282 #ifdef _POSIX_PRIORITY_SCHEDULING
7290 user_hash::iterator count2 = clientlist.begin();
7292 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
7293 // them in a list, then reap the list every second or so.
7294 if (reap_counter>300)
7296 if (fd_reap.size() > 0)
7298 for( int n = 0; n < fd_reap.size(); n++)
7300 Blocking(fd_reap[n]);
7302 NonBlocking(fd_reap[n]);
7311 FD_ZERO(&serverfds);
7314 for (int x = 0; x != UDPportCount; x++)
7316 FD_SET(me[x]->fd, &serverfds);
7322 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
7325 for (int x = 0; x != UDPportCount; x++)
7327 if (FD_ISSET (me[x]->fd, &serverfds))
7329 char remotehost[MAXBUF],resolved[MAXBUF];
7330 length = sizeof (client);
7331 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
7332 strncpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
7333 if(CleanAndResolve(resolved, remotehost) != TRUE)
7335 strncpy(resolved,remotehost,MAXBUF);
7337 // add to this connections ircd_connector vector
7338 // *FIX* - we need the LOCAL port not the remote port in &client!
7339 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
7344 for (int x = 0; x < UDPportCount; x++)
7346 std::deque<std::string> msgs;
7348 if (me[x]->RecvPacket(msgs, udp_host))
7350 for (int ctr = 0; ctr < msgs.size(); ctr++)
7352 char udp_msg[MAXBUF];
7353 strncpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
7354 if (strlen(udp_msg)<1)
7356 log(DEBUG,"Invalid string from %s [route%d]",udp_host,x);
7359 // during a netburst, send all data to all other linked servers
7360 if ((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
7362 NetSendToAllExcept(udp_host,udp_msg);
7364 FOREACH_MOD OnPacketReceive(udp_msg);
7365 handle_link_packet(udp_msg, udp_host, me[x]);
7372 while (count2 != clientlist.end())
7375 tval.tv_usec = tval.tv_sec = 0;
7377 int total_in_this_set = 0;
7379 user_hash::iterator xcount = count2;
7380 user_hash::iterator endingiter = count2;
7382 if (!count2->second) break;
7385 if (count2->second->fd != 0)
7387 // assemble up to 64 sockets into an fd_set
7388 // to implement a pooling mechanism.
7390 // This should be up to 64x faster than the
7391 // old implementation.
7392 while (total_in_this_set < 64)
7394 if (count2 != clientlist.end())
7396 // we don't check the state of remote users.
7397 if (count2->second->fd > 0)
7399 FD_SET (count2->second->fd, &sfd);
7401 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
7402 // their connection class.
7403 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
7405 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
7406 kill_link(count2->second,"Registration timeout");
7409 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
7411 if ((!count2->second->lastping) && (count2->second->registered == 7))
7413 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
7414 kill_link(count2->second,"Ping timeout");
7417 Write(count2->second->fd,"PING :%s",ServerName);
7418 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
7419 count2->second->lastping = 0;
7420 count2->second->nping = time(NULL)+120;
7424 total_in_this_set++;
7429 endingiter = count2;
7430 count2 = xcount; // roll back to where we were
7436 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
7438 // now loop through all of the items in this pool if any are waiting
7439 //if (selectResult2 > 0)
7440 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
7443 #ifdef _POSIX_PRIORITY_SCHEDULING
7448 if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
7450 log(DEBUG,"Reading fd %d",count2a->second->fd);
7451 memset(data, 0, 10240);
7452 result = read(count2a->second->fd, data, 10240);
7456 log(DEBUG,"Read %d characters from socket",result);
7457 userrec* current = count2a->second;
7458 int currfd = current->fd;
7459 char* l = strtok(data,"\n");
7464 if ((floodlines > current->flood) && (current->flood != 0))
7466 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
7467 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
7468 kill_link(current,"Excess flood");
7471 char sanitized[NetBufferSize];
7472 memset(sanitized, 0, NetBufferSize);
7474 for (int pt = 0; pt < strlen(l); pt++)
7478 sanitized[ptt++] = l[pt];
7481 sanitized[ptt] = '\0';
7482 if (strlen(sanitized))
7486 // we're gonna re-scan to check if the nick is gone, after every
7487 // command - if it has, we're gonna bail
7488 bool find_again = false;
7489 process_buffer(sanitized,current);
7491 // look for the user's record in case it's changed
7492 for (user_hash::iterator c2 = clientlist.begin(); c2 != clientlist.end(); c2++)
7494 if (c2->second->fd == currfd)
7496 // found again, update pointer
7497 current == c2->second;
7506 l = strtok(NULL,"\n");
7511 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
7513 log(DEBUG,"killing: %s",count2a->second->nick);
7514 kill_link(count2a->second,strerror(errno));
7518 // result EAGAIN means nothing read
7519 if (result == EAGAIN)
7527 log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
7528 kill_link(count2a->second,"Client exited");
7529 // must bail here? kill_link removes the hash, corrupting the iterator
7530 log(DEBUG,"Bailing from client exit");
7534 else if (result > 0)
7539 for (int q = 0; q < total_in_this_set; q++)
7541 // there is no iterator += operator :(
7542 //if (count2 != clientlist.end())
7549 // set up select call
7550 for (count = 0; count < boundPortCount; count++)
7552 FD_SET (openSockfd[count], &selectFds);
7556 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
7558 /* select is reporting a waiting socket. Poll them all to find out which */
7559 if (selectResult > 0)
7561 char target[MAXBUF], resolved[MAXBUF];
7562 for (count = 0; count < boundPortCount; count++)
7564 if (FD_ISSET (openSockfd[count], &selectFds))
7566 length = sizeof (client);
7567 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
7569 address_cache::iterator iter = IP.find(client.sin_addr);
7570 bool iscached = false;
7571 if (iter == IP.end())
7573 /* ip isn't in cache, add it */
7574 strncpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
7575 if(CleanAndResolve(resolved, target) != TRUE)
7577 strncpy(resolved,target,MAXBUF);
7579 /* hostname now in 'target' */
7580 IP[client.sin_addr] = new string(resolved);
7581 /* hostname in cache */
7585 /* found ip (cached) */
7586 strncpy(resolved, iter->second->c_str(), MAXBUF);
7590 if (incomingSockfd < 0)
7592 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
7593 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
7597 AddClient(incomingSockfd, resolved, ports[count], iscached);
7598 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
7605 if(0) {}; // "Label must be followed by a statement"... so i gave it one.
7608 close (incomingSockfd);