1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
22 #include "inspircd_io.h"
23 #include "inspircd_util.h"
24 #include "inspircd_config.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
34 #include <ext/hash_map>
44 #include "connection.h"
54 #define nspace __gnu_cxx
59 int LogLevel = DEFAULT;
60 char ServerName[MAXBUF];
62 char ServerDesc[MAXBUF];
63 char AdminName[MAXBUF];
64 char AdminEmail[MAXBUF];
65 char AdminNick[MAXBUF];
67 char restartpass[MAXBUF];
71 char PrefixQuit[MAXBUF];
72 char DieValue[MAXBUF];
74 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
75 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
77 time_t startup_time = time(NULL);
78 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
81 extern vector<Module*> modules;
82 std::vector<std::string> module_names;
83 extern vector<ircd_module*> factory;
84 std::vector<int> fd_reap;
92 template<> struct nspace::hash<in_addr>
94 size_t operator()(const struct in_addr &a) const
97 memcpy(&q,&a,sizeof(size_t));
102 template<> struct nspace::hash<string>
104 size_t operator()(const string &s) const
107 static struct hash<const char *> strhash;
119 bool operator()(const string& s1, const string& s2) const
121 char a[MAXBUF],b[MAXBUF];
122 strcpy(a,s1.c_str());
123 strcpy(b,s2.c_str());
124 return (strcasecmp(a,b) == 0);
129 struct InAddr_HashComp
132 bool operator()(const in_addr &s1, const in_addr &s2) const
137 memcpy(&q,&s1,sizeof(size_t));
138 memcpy(&p,&s2,sizeof(size_t));
146 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
147 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
148 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
149 typedef std::deque<command_t> command_table;
155 user_hash clientlist;
158 command_table cmdlist;
165 struct linger linger = { 0 };
166 char bannerBuffer[MAXBUF];
167 int boundPortCount = 0;
168 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
169 int defaultRoute = 0;
173 long MyKey = C.GenKey();
177 int has_channel(userrec *u, chanrec *c);
178 int usercount(chanrec *c);
179 int usercount_i(chanrec *c);
180 void update_stats_l(int fd,int data_out);
181 char* Passwd(userrec *user);
182 bool IsDenied(userrec *user);
183 void AddWhoWas(userrec* u);
185 std::vector<long> auth_cookies;
186 std::stringstream config_f(stringstream::in | stringstream::out);
188 void safedelete(userrec *p)
192 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
193 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
199 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
203 void safedelete(chanrec *p)
209 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
213 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
218 void tidystring(char* str)
220 // strips out double spaces before a : parameter
223 bool go_again = true;
230 while ((str[0] == ' ') && (strlen(str)>0))
237 bool noparse = false;
240 while (a < strlen(str))
242 if ((a<strlen(str)-1) && (noparse==false))
244 if ((str[a] == ' ') && (str[a+1] == ' '))
246 log(DEBUG,"Tidied extra space out of string: %s",str);
254 if ((str[a] == ' ') && (str[a+1] == ':'))
260 temp[t++] = str[a++];
263 strncpy(str,temp,MAXBUF);
267 /* chop a string down to 512 characters and preserve linefeed (irc max
274 log(DEBUG,"ERROR! Null string passed to chop()!");
278 FOREACH_MOD OnServerRaw(temp,false);
279 const char* str2 = temp.c_str();
280 sprintf(str,"%s",str2);
283 if (strlen(str) >= 512)
292 std::string getservername()
297 std::string getserverdesc()
302 std::string getnetworkname()
307 std::string getadminname()
312 std::string getadminemail()
317 std::string getadminnick()
322 void log(int level,char *text, ...)
324 char textbuffer[MAXBUF];
327 struct tm * timeinfo;
328 if (level < LogLevel)
332 timeinfo = localtime (&rawtime);
337 va_start (argsPtr, text);
338 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
340 strcpy(b,asctime(timeinfo));
341 b[strlen(b)-1] = ':';
342 fprintf(log_file,"%s %s\n",b,textbuffer);
345 // nofork enabled? display it on terminal too
346 printf("%s %s\n",b,textbuffer);
351 void readfile(file_cache &F, const char* fname)
354 char linebuf[MAXBUF];
356 log(DEBUG,"readfile: loading %s",fname);
358 file = fopen(fname,"r");
363 fgets(linebuf,sizeof(linebuf),file);
364 linebuf[strlen(linebuf)-1]='\0';
365 if (!strcmp(linebuf,""))
371 F.push_back(linebuf);
378 log(DEBUG,"readfile: failed to load file: %s",fname);
380 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
383 void ReadConfig(void)
385 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF];
388 LoadConf(CONFIG_FILE,&config_f);
390 ConfValue("server","name",0,ServerName,&config_f);
391 ConfValue("server","description",0,ServerDesc,&config_f);
392 ConfValue("server","network",0,Network,&config_f);
393 ConfValue("admin","name",0,AdminName,&config_f);
394 ConfValue("admin","email",0,AdminEmail,&config_f);
395 ConfValue("admin","nick",0,AdminNick,&config_f);
396 ConfValue("files","motd",0,motd,&config_f);
397 ConfValue("files","rules",0,rules,&config_f);
398 ConfValue("power","diepass",0,diepass,&config_f);
399 ConfValue("power","pause",0,pauseval,&config_f);
400 ConfValue("power","restartpass",0,restartpass,&config_f);
401 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
402 ConfValue("die","value",0,DieValue,&config_f);
403 ConfValue("options","loglevel",0,dbg,&config_f);
404 ConfValue("options","netbuffersize",0,NB,&config_f);
405 NetBufferSize = atoi(NB);
406 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
408 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
409 NetBufferSize = 10240;
411 if (!strcmp(dbg,"debug"))
413 if (!strcmp(dbg,"verbose"))
415 if (!strcmp(dbg,"default"))
417 if (!strcmp(dbg,"sparse"))
419 if (!strcmp(dbg,"none"))
422 log(DEBUG,"Reading message of the day");
423 readfile(RULES,rules);
424 log(DEBUG,"Reading connect classes");
426 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
429 ConfValue("connect","allow",i,Value,&config_f);
430 ConfValue("connect","timeout",i,timeout,&config_f);
431 ConfValue("connect","flood",i,flood,&config_f);
432 if (strcmp(Value,""))
434 strcpy(c.host,Value);
437 ConfValue("connect","password",i,Value,&config_f);
438 strcpy(c.pass,Value);
439 c.registration_timeout = 90; // default is 2 minutes
440 c.flood = atoi(flood);
443 c.registration_timeout = atoi(timeout);
445 Classes.push_back(c);
446 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%d flood=%d",c.host,c.pass,c.registration_timeout,c.flood);
450 ConfValue("connect","deny",i,Value,&config_f);
451 strcpy(c.host,Value);
453 Classes.push_back(c);
454 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
463 log(DEBUG,"Blocking: %d",s);
464 flags = fcntl(s, F_GETFL, 0);
465 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
468 void NonBlocking(int s)
471 log(DEBUG,"NonBlocking: %d",s);
472 flags = fcntl(s, F_GETFL, 0);
473 //fcntl(s, F_SETFL, O_NONBLOCK);
474 fcntl(s, F_SETFL, flags | O_NONBLOCK);
478 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
480 struct hostent *hostPtr = NULL;
483 memset (resolvedHost, '\0',MAXBUF);
484 if(unresolvedHost == NULL)
486 if ((inet_aton(unresolvedHost,&addr)) == 0)
488 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
490 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
492 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
496 /* write formatted text to a socket, in same format as printf */
498 void Write(int sock,char *text, ...)
502 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
505 char textbuffer[MAXBUF];
509 va_start (argsPtr, text);
510 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
512 sprintf(tb,"%s\r\n",textbuffer);
516 write(sock,tb,strlen(tb));
517 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
521 /* write a server formatted numeric response to a single socket */
523 void WriteServ(int sock, char* text, ...)
527 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
530 char textbuffer[MAXBUF],tb[MAXBUF];
532 va_start (argsPtr, text);
534 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
536 sprintf(tb,":%s %s\r\n",ServerName,textbuffer);
540 write(sock,tb,strlen(tb));
541 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
545 /* write text from an originating user to originating user */
547 void WriteFrom(int sock, userrec *user,char* text, ...)
549 if ((!text) || (!user))
551 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
554 char textbuffer[MAXBUF],tb[MAXBUF];
556 va_start (argsPtr, text);
558 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
560 sprintf(tb,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
564 write(sock,tb,strlen(tb));
565 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
569 /* write text to an destination user from a source user (e.g. user privmsg) */
571 void WriteTo(userrec *source, userrec *dest,char *data, ...)
573 if ((!dest) || (!data))
575 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
578 char textbuffer[MAXBUF],tb[MAXBUF];
580 va_start (argsPtr, data);
581 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
585 // if no source given send it from the server.
588 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
592 WriteFrom(dest->fd,source,"%s",textbuffer);
596 /* write formatted text from a source user to all users on a channel
597 * including the sender (NOT for privmsg, notice etc!) */
599 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
601 if ((!Ptr) || (!user) || (!text))
603 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
606 char textbuffer[MAXBUF];
608 va_start (argsPtr, text);
609 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
611 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
613 if (has_channel(i->second,Ptr))
615 WriteTo(user,i->second,"%s",textbuffer);
620 /* write formatted text from a source user to all users on a channel
621 * including the sender (NOT for privmsg, notice etc!) doesnt send to
622 * users on remote servers */
624 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
626 if ((!Ptr) || (!text))
628 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
631 char textbuffer[MAXBUF];
633 va_start (argsPtr, text);
634 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
636 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
638 if (has_channel(i->second,Ptr))
640 if (i->second->fd != -1)
644 WriteServ(i->second->fd,"%s",textbuffer);
648 WriteTo(user,i->second,"%s",textbuffer);
656 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
658 if ((!Ptr) || (!user) || (!text))
660 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
663 char textbuffer[MAXBUF];
665 va_start (argsPtr, text);
666 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
668 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
672 if (has_channel(i->second,Ptr))
674 WriteServ(i->second->fd,"%s",textbuffer);
681 /* write formatted text from a source user to all users on a channel except
682 * for the sender (for privmsg etc) */
684 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
686 if ((!Ptr) || (!user) || (!text))
688 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
691 char textbuffer[MAXBUF];
693 va_start (argsPtr, text);
694 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
697 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
701 if (has_channel(i->second,Ptr) && (user != i->second))
703 WriteTo(user,i->second,"%s",textbuffer);
709 int c_count(userrec* u)
712 for (int i =0; i != MAXCHANS; i++)
713 if (u->chans[i].channel != NULL)
719 /* return 0 or 1 depending if users u and u2 share one or more common channels
720 * (used by QUIT, NICK etc which arent channel specific notices) */
722 int common_channels(userrec *u, userrec *u2)
729 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
732 for (int i = 0; i != MAXCHANS; i++)
734 for (z = 0; z != MAXCHANS; z++)
736 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
738 if ((u->chans[i].channel == u2->chans[z].channel) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
740 if ((c_count(u)) && (c_count(u2)))
751 /* write a formatted string to all users who share at least one common
752 * channel, including the source user e.g. for use in NICK */
754 void WriteCommon(userrec *u, char* text, ...)
758 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
762 if (u->registered != 7) {
763 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
767 char textbuffer[MAXBUF];
769 va_start (argsPtr, text);
770 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
773 WriteFrom(u->fd,u,"%s",textbuffer);
775 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
779 if (common_channels(u,i->second) && (i->second != u))
781 WriteFrom(i->second->fd,u,"%s",textbuffer);
787 /* write a formatted string to all users who share at least one common
788 * channel, NOT including the source user e.g. for use in QUIT */
790 void WriteCommonExcept(userrec *u, char* text, ...)
794 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
798 if (u->registered != 7) {
799 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
803 char textbuffer[MAXBUF];
805 va_start (argsPtr, text);
806 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
809 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
813 if ((common_channels(u,i->second)) && (u != i->second))
815 WriteFrom(i->second->fd,u,"%s",textbuffer);
821 void WriteOpers(char* text, ...)
825 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
829 char textbuffer[MAXBUF];
831 va_start (argsPtr, text);
832 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
835 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
839 if (strchr(i->second->modes,'o'))
841 if (strchr(i->second->modes,'s'))
843 // send server notices to all with +s
844 // (TODO: needs SNOMASKs)
845 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
852 // returns TRUE of any users on channel C occupy server 'servername'.
854 bool ChanAnyOnThisServer(chanrec *c,char* servername)
856 log(DEBUG,"ChanAnyOnThisServer");
857 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
859 if (has_channel(i->second,c))
861 if (!strcasecmp(i->second->server,servername))
870 // returns true if user 'u' shares any common channels with any users on server 'servername'
872 bool CommonOnThisServer(userrec* u,const char* servername)
874 log(DEBUG,"ChanAnyOnThisServer");
875 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
877 if ((common_channels(u,i->second)) && (u != i->second))
879 if (!strcasecmp(i->second->server,servername))
881 log(DEBUG,"%s is common to %s sharing with %s",i->second->nick,servername,u->nick);
890 void NetSendToCommon(userrec* u, char* s)
893 snprintf(buffer,MAXBUF,"%s",s);
895 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
897 for (int j = 0; j < 32; j++)
901 for (int k = 0; k < me[j]->connectors.size(); k++)
903 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
905 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
913 void NetSendToAll(char* s)
916 snprintf(buffer,MAXBUF,"%s",s);
918 log(DEBUG,"NetSendToAll: '%s'",s);
920 for (int j = 0; j < 32; j++)
924 for (int k = 0; k < me[j]->connectors.size(); k++)
926 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
932 void NetSendToAllAlive(char* s)
935 snprintf(buffer,MAXBUF,"%s",s);
937 log(DEBUG,"NetSendToAllAlive: '%s'",s);
939 for (int j = 0; j < 32; j++)
943 for (int k = 0; k < me[j]->connectors.size(); k++)
945 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
947 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
951 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
959 void NetSendToOne(char* target,char* s)
962 snprintf(buffer,MAXBUF,"%s",s);
964 log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
966 for (int j = 0; j < 32; j++)
970 for (int k = 0; k < me[j]->connectors.size(); k++)
972 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
974 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
981 void NetSendToAllExcept(const char* target,char* s)
984 snprintf(buffer,MAXBUF,"%s",s);
986 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
988 for (int j = 0; j < 32; j++)
992 for (int k = 0; k < me[j]->connectors.size(); k++)
994 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
996 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1004 bool hasumode(userrec* user, char mode)
1008 return (strchr(user->modes,mode)>0);
1013 void WriteMode(const char* modes, int flags, const char* text, ...)
1015 if ((!text) || (!modes) || (!flags))
1017 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
1021 char textbuffer[MAXBUF];
1023 va_start (argsPtr, text);
1024 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1027 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1031 bool send_to_user = false;
1033 if (flags == WM_AND)
1035 send_to_user = true;
1036 for (int n = 0; n < strlen(modes); n++)
1038 if (!hasumode(i->second,modes[n]))
1040 send_to_user = false;
1045 else if (flags == WM_OR)
1047 send_to_user = false;
1048 for (int n = 0; n < strlen(modes); n++)
1050 if (hasumode(i->second,modes[n]))
1052 send_to_user = true;
1060 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
1066 void ChangeName(userrec* user, const char* gecos)
1068 strncpy(user->fullname,gecos,MAXBUF);
1070 // TODO: replace these with functions:
1071 // NetSendToAll - to all
1072 // NetSendToCommon - to all that hold users sharing a common channel with another user
1073 // NetSendToOne - to one server
1074 // NetSendToAllExcept - send to all but one
1075 // all by servername
1077 char buffer[MAXBUF];
1078 snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
1079 NetSendToAll(buffer);
1082 void ChangeDisplayedHost(userrec* user, const char* host)
1084 strncpy(user->dhost,host,160);
1085 char buffer[MAXBUF];
1086 snprintf(buffer,MAXBUF,"b %s :%s",user->nick,host);
1087 NetSendToAll(buffer);
1090 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
1092 if ((!text) || (!source))
1094 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
1099 char textbuffer[MAXBUF];
1101 va_start (argsPtr, text);
1102 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1105 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1109 if (strchr(i->second->modes,'w'))
1111 WriteTo(source,i->second,"WALLOPS %s",textbuffer);
1118 char buffer[MAXBUF];
1119 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
1120 NetSendToAll(buffer);
1124 /* convert a string to lowercase. Note following special circumstances
1125 * taken from RFC 1459. Many "official" server branches still hold to this
1126 * rule so i will too;
1128 * Because of IRC's scandanavian origin, the characters {}| are
1129 * considered to be the lower case equivalents of the characters []\,
1130 * respectively. This is a critical issue when determining the
1131 * equivalence of two nicknames.
1134 void strlower(char *n)
1140 for (int i = 0; i != strlen(n); i++)
1142 n[i] = tolower(n[i]);
1152 /* verify that a user's ident and nickname is valid */
1154 int isident(const char* n)
1166 for (int i = 0; i != strlen(n); i++)
1168 if ((n[i] < 33) || (n[i] > 125))
1172 /* can't occur ANYWHERE in an Ident! */
1173 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
1182 int isnick(const char* n)
1194 if (strlen(n) > NICKMAX-1)
1198 for (int i = 0; i != strlen(n); i++)
1200 if ((n[i] < 33) || (n[i] > 125))
1204 /* can't occur ANYWHERE in a nickname! */
1205 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
1209 /* can't occur as the first char of a nickname... */
1210 if ((strchr("0123456789",n[i])) && (!i))
1218 /* Find a user record by nickname and return a pointer to it */
1220 userrec* Find(string nick)
1222 user_hash::iterator iter = clientlist.find(nick);
1224 if (iter == clientlist.end())
1225 /* Couldn't find it */
1228 return iter->second;
1231 void update_stats_l(int fd,int data_out) /* add one line-out to stats L for this fd */
1233 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1237 if (i->second->fd == fd)
1239 i->second->bytes_out+=data_out;
1240 i->second->cmds_out++;
1247 /* find a channel record by channel name and return a pointer to it */
1249 chanrec* FindChan(const char* chan)
1253 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1257 chan_hash::iterator iter = chanlist.find(chan);
1259 if (iter == chanlist.end())
1260 /* Couldn't find it */
1263 return iter->second;
1267 void purge_empty_chans(void)
1269 int go_again = 1, purge = 0;
1274 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1277 if (!usercount(i->second))
1279 /* kill the record */
1280 if (i != chanlist.end())
1282 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1292 log(DEBUG,"skipped purge for %s",i->second->name);
1297 log(DEBUG,"completed channel purge, killed %d",purge);
1300 /* returns the status character for a given user on a channel, e.g. @ for op,
1301 * % for halfop etc. If the user has several modes set, the highest mode
1302 * the user has must be returned. */
1304 char* cmode(userrec *user, chanrec *chan)
1306 if ((!user) || (!chan))
1308 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
1313 for (int i = 0; i != MAXCHANS; i++)
1315 if ((user->chans[i].channel == chan) && (chan != NULL))
1317 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1321 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1325 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1334 char scratch[MAXBUF];
1335 char sparam[MAXBUF];
1337 char* chanmodes(chanrec *chan)
1341 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1348 if (chan->noexternal)
1350 strncat(scratch,"n",MAXMODES);
1352 if (chan->topiclock)
1354 strncat(scratch,"t",MAXMODES);
1356 if (strcmp(chan->key,""))
1358 strncat(scratch,"k",MAXMODES);
1362 strncat(scratch,"l",MAXMODES);
1364 if (chan->inviteonly)
1366 strncat(scratch,"i",MAXMODES);
1368 if (chan->moderated)
1370 strncat(scratch,"m",MAXMODES);
1374 strncat(scratch,"s",MAXMODES);
1376 if (chan->c_private)
1378 strncat(scratch,"p",MAXMODES);
1380 if (strcmp(chan->key,""))
1382 strncat(sparam,chan->key,MAXBUF);
1387 sprintf(foo," %d",chan->limit);
1388 strncat(sparam,foo,MAXBUF);
1390 if (strlen(chan->custom_modes))
1392 strncat(scratch,chan->custom_modes,MAXMODES);
1393 for (int z = 0; z < strlen(chan->custom_modes); z++)
1395 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1398 strncat(sparam," ",MAXBUF);
1399 strncat(sparam,extparam.c_str(),MAXBUF);
1403 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1404 strncat(scratch,sparam,MAXMODES);
1408 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
1409 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
1410 * highest mode the user has must be returned. */
1412 int cstatus(userrec *user, chanrec *chan)
1414 if ((!chan) || (!user))
1416 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
1420 for (int i = 0; i != MAXCHANS; i++)
1422 if ((user->chans[i].channel == chan) && (chan != NULL))
1424 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1428 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1432 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1434 return STATUS_VOICE;
1436 return STATUS_NORMAL;
1442 /* compile a userlist of a channel into a string, each nick seperated by
1443 * spaces and op, voice etc status shown as @ and + */
1445 void userlist(userrec *user,chanrec *c)
1447 if ((!c) || (!user))
1449 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1453 sprintf(list,"353 %s = %s :", user->nick, c->name);
1454 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1456 if (has_channel(i->second,c))
1458 if (isnick(i->second->nick))
1460 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1462 /* user is +i, and source not on the channel, does not show
1463 * nick in NAMES list */
1466 strcat(list,cmode(i->second,c));
1467 strcat(list,i->second->nick);
1469 if (strlen(list)>(480-NICKMAX))
1471 /* list overflowed into
1472 * multiple numerics */
1473 WriteServ(user->fd,list);
1474 sprintf(list,"353 %s = %s :", user->nick, c->name);
1479 /* if whats left in the list isnt empty, send it */
1480 if (list[strlen(list)-1] != ':')
1482 WriteServ(user->fd,list);
1486 /* return a count of the users on a specific channel accounting for
1487 * invisible users who won't increase the count. e.g. for /LIST */
1489 int usercount_i(chanrec *c)
1496 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1501 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1505 if (has_channel(i->second,c))
1507 if (isnick(i->second->nick))
1509 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1511 /* user is +i, and source not on the channel, does not show
1512 * nick in NAMES list */
1520 log(DEBUG,"usercount_i: %s %d",c->name,count);
1525 int usercount(chanrec *c)
1532 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1537 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1541 if (has_channel(i->second,c))
1543 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1550 log(DEBUG,"usercount: %s %d",c->name,count);
1555 /* add a channel to a user, creating the record for it if needed and linking
1556 * it to the user record */
1558 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1560 if ((!user) || (!cn))
1562 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1571 strncpy(cname,cn,MAXBUF);
1573 // we MUST declare this wherever we use FOREACH_RESULT
1576 if (strlen(cname) > CHANMAX-1)
1578 cname[CHANMAX-1] = '\0';
1581 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1583 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1585 return NULL; // already on the channel!
1589 if (!FindChan(cname))
1591 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1596 /* create a new one */
1597 log(DEBUG,"add_channel: creating: %s",cname);
1599 chanlist[cname] = new chanrec();
1601 strcpy(chanlist[cname]->name, cname);
1602 chanlist[cname]->topiclock = 1;
1603 chanlist[cname]->noexternal = 1;
1604 chanlist[cname]->created = time(NULL);
1605 strcpy(chanlist[cname]->topic, "");
1606 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1607 chanlist[cname]->topicset = 0;
1608 Ptr = chanlist[cname];
1609 log(DEBUG,"add_channel: created: %s",cname);
1610 /* set created to 2 to indicate user
1611 * is the first in the channel
1612 * and should be given ops */
1618 /* channel exists, just fish out a pointer to its struct */
1619 Ptr = FindChan(cname);
1622 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1624 // the override flag allows us to bypass channel modes
1625 // and bans (used by servers)
1628 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1633 if (strcmp(Ptr->key,""))
1635 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1638 log(DEBUG,"add_channel: no key given in JOIN");
1639 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1644 log(DEBUG,"key at %p is %s",key,key);
1645 if (strcasecmp(key,Ptr->key))
1647 log(DEBUG,"add_channel: bad key given in JOIN");
1648 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1653 log(DEBUG,"add_channel: no key");
1655 if (Ptr->inviteonly)
1657 log(DEBUG,"add_channel: channel is +i");
1658 if (user->IsInvited(Ptr->name))
1660 /* user was invited to channel */
1661 /* there may be an optional channel NOTICE here */
1665 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1669 log(DEBUG,"add_channel: channel is not +i");
1673 if (usercount(Ptr) == Ptr->limit)
1675 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1680 log(DEBUG,"add_channel: about to walk banlist");
1682 /* check user against the channel banlist */
1685 if (Ptr->bans.size())
1687 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1689 if (match(user->GetFullHost(),i->data))
1691 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1698 log(DEBUG,"add_channel: bans checked");
1701 if ((Ptr) && (user))
1703 user->RemoveInvite(Ptr->name);
1706 log(DEBUG,"add_channel: invites removed");
1711 log(DEBUG,"Overridden checks");
1719 log(DEBUG,"Passed channel checks");
1721 for (int i =0; i != MAXCHANS; i++)
1723 log(DEBUG,"Check location %d",i);
1724 if (user->chans[i].channel == NULL)
1726 log(DEBUG,"Adding into their channel list at location %d",i);
1730 /* first user in is given ops */
1731 user->chans[i].uc_modes = UCMODE_OP;
1735 user->chans[i].uc_modes = 0;
1737 user->chans[i].channel = Ptr;
1738 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1740 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1742 // use the stamdard J token with no privilages.
1743 char buffer[MAXBUF];
1744 snprintf(buffer,MAXBUF,"J %s :%s",user->nick,Ptr->name);
1745 NetSendToAll(buffer);
1748 log(DEBUG,"Sent JOIN to client");
1752 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1753 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1756 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1757 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1758 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1759 FOREACH_MOD OnUserJoin(user,Ptr);
1763 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1764 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1768 /* remove a channel from a users record, and remove the record from memory
1769 * if the channel has become empty */
1771 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1773 if ((!user) || (!cname))
1775 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1782 if ((!cname) || (!user))
1787 Ptr = FindChan(cname);
1794 FOREACH_MOD OnUserPart(user,Ptr);
1795 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1797 for (int i =0; i != MAXCHANS; i++)
1799 /* zap it from the channel list of the user */
1800 if (user->chans[i].channel == Ptr)
1804 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1808 char buffer[MAXBUF];
1809 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1810 NetSendToAll(buffer);
1819 char buffer[MAXBUF];
1820 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1821 NetSendToAll(buffer);
1824 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1826 user->chans[i].uc_modes = 0;
1827 user->chans[i].channel = NULL;
1828 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1833 /* if there are no users left on the channel */
1834 if (!usercount(Ptr))
1836 chan_hash::iterator iter = chanlist.find(Ptr->name);
1838 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1840 /* kill the record */
1841 if (iter != chanlist.end())
1843 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1844 delete iter->second;
1845 chanlist.erase(iter);
1851 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1853 if ((!src) || (!user) || (!Ptr) || (!reason))
1855 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1862 if ((!Ptr) || (!user) || (!src))
1867 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1869 if (!has_channel(user,Ptr))
1871 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1874 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
1876 if (cstatus(src,Ptr) == STATUS_HOP)
1878 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1882 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1888 for (int i =0; i != MAXCHANS; i++)
1890 /* zap it from the channel list of the user */
1891 if (user->chans[i].channel)
1892 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1894 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1895 user->chans[i].uc_modes = 0;
1896 user->chans[i].channel = NULL;
1897 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1902 /* if there are no users left on the channel */
1903 if (!usercount(Ptr))
1905 chan_hash::iterator iter = chanlist.find(Ptr->name);
1907 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1909 /* kill the record */
1910 if (iter != chanlist.end())
1912 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1913 delete iter->second;
1914 chanlist.erase(iter);
1920 /* returns 1 if user u has channel c in their record, 0 if not */
1922 int has_channel(userrec *u, chanrec *c)
1926 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
1929 for (int i =0; i != MAXCHANS; i++)
1931 if (u->chans[i].channel == c)
1939 int give_ops(userrec *user,char *dest,chanrec *chan,int status)
1944 if ((!user) || (!dest) || (!chan))
1946 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
1949 if (status < STATUS_OP)
1951 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
1952 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1959 log(DEFAULT,"the target nickname given to give_ops was invalid");
1960 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1966 log(DEFAULT,"the target nickname given to give_ops couldnt be found");
1967 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1972 for (int i = 0; i != MAXCHANS; i++)
1974 if ((d->chans[i].channel != NULL) && (chan != NULL))
1975 if (!strcasecmp(d->chans[i].channel->name,chan->name))
1977 if (d->chans[i].uc_modes & UCMODE_OP)
1979 /* mode already set on user, dont allow multiple */
1980 log(DEFAULT,"The target user given to give_ops was already opped on the channel");
1983 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
1984 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
1988 log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
1994 int give_hops(userrec *user,char *dest,chanrec *chan,int status)
1999 if ((!user) || (!dest) || (!chan))
2001 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
2004 if (status != STATUS_OP)
2006 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2014 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2019 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2024 for (int i = 0; i != MAXCHANS; i++)
2026 if ((d->chans[i].channel != NULL) && (chan != NULL))
2027 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2029 if (d->chans[i].uc_modes & UCMODE_HOP)
2031 /* mode already set on user, dont allow multiple */
2034 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
2035 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
2044 int give_voice(userrec *user,char *dest,chanrec *chan,int status)
2049 if ((!user) || (!dest) || (!chan))
2051 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
2054 if (status < STATUS_HOP)
2056 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
2064 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2069 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2074 for (int i = 0; i != MAXCHANS; i++)
2076 if ((d->chans[i].channel != NULL) && (chan != NULL))
2077 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2079 if (d->chans[i].uc_modes & UCMODE_VOICE)
2081 /* mode already set on user, dont allow multiple */
2084 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
2085 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
2094 int take_ops(userrec *user,char *dest,chanrec *chan,int status)
2099 if ((!user) || (!dest) || (!chan))
2101 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
2104 if (status < STATUS_OP)
2106 log(DEBUG,"%s cant give ops to %s because they have status %d and needs %d",user->nick,dest,status,STATUS_OP);
2107 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2115 log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
2116 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2121 log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
2122 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2127 for (int i = 0; i != MAXCHANS; i++)
2129 if ((d->chans[i].channel != NULL) && (chan != NULL))
2130 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2132 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
2134 /* mode already set on user, dont allow multiple */
2137 d->chans[i].uc_modes ^= UCMODE_OP;
2138 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
2142 log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
2148 int take_hops(userrec *user,char *dest,chanrec *chan,int status)
2153 if ((!user) || (!dest) || (!chan))
2155 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
2158 if (status != STATUS_OP)
2160 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2168 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2173 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2178 for (int i = 0; i != MAXCHANS; i++)
2180 if ((d->chans[i].channel != NULL) && (chan != NULL))
2181 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2183 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
2185 /* mode already set on user, dont allow multiple */
2188 d->chans[i].uc_modes ^= UCMODE_HOP;
2189 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
2198 int take_voice(userrec *user,char *dest,chanrec *chan,int status)
2203 if ((!user) || (!dest) || (!chan))
2205 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
2208 if (status < STATUS_HOP)
2210 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
2218 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2223 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2228 for (int i = 0; i != MAXCHANS; i++)
2230 if ((d->chans[i].channel != NULL) && (chan != NULL))
2231 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2233 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
2235 /* mode already set on user, dont allow multiple */
2238 d->chans[i].uc_modes ^= UCMODE_VOICE;
2239 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
2248 void TidyBan(char *ban)
2251 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
2255 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
2259 char* pos_of_pling = strchr(temp,'!');
2260 char* pos_of_at = strchr(temp,'@');
2262 pos_of_pling[0] = '\0';
2263 pos_of_at[0] = '\0';
2267 strncpy(NICK,temp,NICKMAX);
2268 strncpy(IDENT,pos_of_pling,IDENTMAX+1);
2269 strncpy(HOST,pos_of_at,160);
2271 sprintf(ban,"%s!%s@%s",NICK,IDENT,HOST);
2274 int add_ban(userrec *user,char *dest,chanrec *chan,int status)
2276 if ((!user) || (!dest) || (!chan)) {
2277 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
2282 if ((!user) || (!dest) || (!chan))
2284 if (strchr(dest,'!')==0)
2286 if (strchr(dest,'@')==0)
2288 for (int i = 0; i < strlen(dest); i++)
2291 for (int i = 0; i < strlen(dest); i++)
2295 for (int i = 0; i < strlen(dest); i++)
2301 for (int i = 0; i < strlen(dest); i++)
2306 log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
2309 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2311 if (!strcasecmp(i->data,dest))
2313 // dont allow a user to set the same ban twice
2318 b.set_time = time(NULL);
2319 strncpy(b.data,dest,MAXBUF);
2320 strncpy(b.set_by,user->nick,NICKMAX);
2321 chan->bans.push_back(b);
2325 int take_ban(userrec *user,char *dest,chanrec *chan,int status)
2327 if ((!user) || (!dest) || (!chan)) {
2328 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
2332 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
2333 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2335 if (!strcasecmp(i->data,dest))
2337 chan->bans.erase(i);
2344 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
2347 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
2351 char modelist[MAXBUF];
2352 char outlist[MAXBUF];
2353 char outstr[MAXBUF];
2354 char outpars[32][MAXBUF];
2360 bool k_set = false, l_set = false;
2367 log(DEBUG,"process_modes: start: parameters=%d",pcnt);
2369 strcpy(modelist,parameters[1]); /* mode list, e.g. +oo-o */
2370 /* parameters[2] onwards are parameters for
2371 * modes that require them :) */
2372 strcpy(outlist,"+");
2375 log(DEBUG,"process_modes: modelist: %s",modelist);
2377 for (ptr = 0; ptr < strlen(modelist); ptr++)
2382 log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
2383 char modechar = modelist[ptr];
2384 switch (modelist[ptr])
2389 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2391 outlist[strlen(outlist)-1] = '-';
2395 strcat(outlist,"-");
2405 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2407 outlist[strlen(outlist)-1] = '+';
2411 strcat(outlist,"+");
2419 if ((param >= pcnt)) break;
2420 log(DEBUG,"Enough parameters left");
2423 log(DEBUG,"calling give_ops");
2424 r = give_ops(user,parameters[param++],chan,status);
2428 log(DEBUG,"calling take_ops");
2429 r = take_ops(user,parameters[param++],chan,status);
2433 strcat(outlist,"o");
2434 strcpy(outpars[pc++],parameters[param-1]);
2439 if ((param >= pcnt)) break;
2442 r = give_hops(user,parameters[param++],chan,status);
2446 r = take_hops(user,parameters[param++],chan,status);
2450 strcat(outlist,"h");
2451 strcpy(outpars[pc++],parameters[param-1]);
2457 if ((param >= pcnt)) break;
2460 r = give_voice(user,parameters[param++],chan,status);
2464 r = take_voice(user,parameters[param++],chan,status);
2468 strcat(outlist,"v");
2469 strcpy(outpars[pc++],parameters[param-1]);
2474 if ((param >= pcnt)) break;
2477 r = add_ban(user,parameters[param++],chan,status);
2481 r = take_ban(user,parameters[param++],chan,status);
2485 strcat(outlist,"b");
2486 strcpy(outpars[pc++],parameters[param-1]);
2492 if ((param >= pcnt))
2500 if (!strcmp(chan->key,""))
2502 strcat(outlist,"k");
2504 strcpy(key,parameters[param++]);
2505 if (strlen(key)>32) {
2508 strcpy(outpars[pc++],key);
2509 strcpy(chan->key,key);
2515 /* checks on -k are case sensitive and only accurate to the
2516 first 32 characters */
2518 strcpy(key,parameters[param++]);
2519 if (strlen(key)>32) {
2522 /* only allow -k if correct key given */
2523 if (!strcmp(chan->key,key))
2525 strcat(outlist,"k");
2526 strcpy(chan->key,"");
2527 strcpy(outpars[pc++],key);
2537 strcat(outlist,"l");
2542 if ((param >= pcnt)) break;
2548 bool invalid = false;
2549 for (int i = 0; i < strlen(parameters[param]); i++)
2551 if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
2556 if (atoi(parameters[param]) < 1)
2564 chan->limit = atoi(parameters[param]);
2567 strcat(outlist,"l");
2568 strcpy(outpars[pc++],parameters[param++]);
2575 if (chan->inviteonly != mdir)
2577 strcat(outlist,"i");
2579 chan->inviteonly = mdir;
2583 if (chan->topiclock != mdir)
2585 strcat(outlist,"t");
2587 chan->topiclock = mdir;
2591 if (chan->noexternal != mdir)
2593 strcat(outlist,"n");
2595 chan->noexternal = mdir;
2599 if (chan->moderated != mdir)
2601 strcat(outlist,"m");
2603 chan->moderated = mdir;
2607 if (chan->secret != mdir)
2609 strcat(outlist,"s");
2610 if (chan->c_private)
2612 chan->c_private = 0;
2615 strcat(outlist,"-p+");
2619 strcat(outlist,"+p-");
2623 chan->secret = mdir;
2627 if (chan->c_private != mdir)
2629 strcat(outlist,"p");
2635 strcat(outlist,"-s+");
2639 strcat(outlist,"+s-");
2643 chan->c_private = mdir;
2647 log(DEBUG,"Preprocessing custom mode %c",modechar);
2650 if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
2652 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
2655 if (ModeDefined(modechar,MT_CHANNEL))
2657 log(DEBUG,"A module has claimed this mode");
2660 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2662 p.push_back(parameters[param]);
2664 if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
2666 p.push_back(parameters[param]);
2669 bool handled = false;
2672 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
2673 // we're supposed to have a parameter, but none was given... so dont handle the mode.
2674 if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
2680 for (int i = 0; i <= MODCOUNT; i++)
2684 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
2686 log(DEBUG,"OnExtendedMode returned nonzero for a module");
2687 char app[] = {modechar, 0};
2690 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
2692 strcat(outlist, app);
2694 else if (!strchr(outlist,modechar))
2696 strcat(outlist, app);
2699 chan->SetCustomMode(modechar,mdir);
2700 // include parameters in output if mode has them
2701 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2703 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
2704 strcpy(outpars[pc++],parameters[param++]);
2706 // break, because only one module can handle the mode.
2718 /* this ensures only the *valid* modes are sent out onto the network */
2719 while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
2721 outlist[strlen(outlist)-1] = '\0';
2723 if (strcmp(outlist,""))
2725 strcpy(outstr,outlist);
2726 for (ptr = 0; ptr < pc; ptr++)
2729 strcat(outstr,outpars[ptr]);
2733 log(DEBUG,"Local mode change");
2734 WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
2742 WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
2743 // M token for a usermode must go to all servers
2744 char buffer[MAXBUF];
2745 snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
2746 NetSendToAll(buffer);
2754 WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
2755 // M token for a usermode must go to all servers
2756 char buffer[MAXBUF];
2757 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
2758 NetSendToAll(buffer);
2765 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
2767 bool allowed_umode(char umode, char* sourcemodes,bool adding)
2769 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
2770 // RFC1459 specified modes
2771 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
2773 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2777 // user may not +o themselves or others, but an oper may de-oper other opers or themselves
2778 if ((strchr(sourcemodes,'o')) && (!adding))
2780 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2783 else if (umode == 'o')
2785 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2789 // process any module-defined modes that need oper
2790 if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
2792 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
2796 if (ModeDefined(umode,MT_CLIENT))
2798 // process any module-defined modes that don't need oper
2799 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
2800 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
2802 // no, this mode needs oper, and this user 'aint got what it takes!
2808 // anything else - return false.
2809 log(DEBUG,"umode %c not known by any ruleset",umode);
2813 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
2820 strncpy(s2->nick,ServerName,NICKMAX);
2821 strcpy(s2->modes,"o");
2828 if (ModeDefined(umode,MT_CLIENT))
2830 for (int i = 0; i <= MODCOUNT; i++)
2832 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
2834 log(DEBUG,"Module claims umode %c",umode);
2838 log(DEBUG,"No module claims umode %c",umode);
2857 void handle_mode(char **parameters, int pcnt, userrec *user)
2863 char outpars[MAXBUF];
2865 dest = Find(parameters[0]);
2872 if ((dest) && (pcnt == 1))
2874 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
2878 if ((dest) && (pcnt > 1))
2880 char dmodes[MAXBUF];
2881 strncpy(dmodes,dest->modes,MAXBUF);
2882 log(DEBUG,"pulled up dest user modes: %s",dmodes);
2887 if (strchr(user->modes,'o'))
2898 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
2902 strcpy(outpars,"+");
2905 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2908 for (int i = 0; i < strlen(parameters[1]); i++)
2910 if (parameters[1][i] == '+')
2914 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2916 outpars[strlen(outpars)-1] = '+';
2920 strcat(outpars,"+");
2926 if (parameters[1][i] == '-')
2930 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2932 outpars[strlen(outpars)-1] = '-';
2936 strcat(outpars,"-");
2944 if (strchr(user->modes,'o'))
2950 if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
2959 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2961 char umode = parameters[1][i];
2962 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2964 dmodes[strlen(dmodes)+1]='\0';
2965 dmodes[strlen(dmodes)] = parameters[1][i];
2966 outpars[strlen(outpars)+1]='\0';
2967 outpars[strlen(outpars)] = parameters[1][i];
2973 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2975 char umode = parameters[1][i];
2976 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2982 outpars[strlen(outpars)+1]='\0';
2983 outpars[strlen(outpars)] = parameters[1][i];
2986 for (q = 0; q < strlen(dmodes); q++)
2988 if (dmodes[q] != parameters[1][i])
2995 strcpy(dmodes,temp);
3002 if (strlen(outpars))
3008 while (i < strlen (outpars))
3010 b[z++] = outpars[i++];
3012 if (i<strlen(outpars)-1)
3014 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3016 // someones playing silly buggers and trying
3017 // to put a +- or -+ into the line...
3021 if (i == strlen(outpars)-1)
3023 if ((outpars[i] == '-') || (outpars[i] == '+'))
3031 if ((b[z] == '-') || (b[z] == '+'))
3034 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3037 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
3039 // M token for a usermode must go to all servers
3040 char buffer[MAXBUF];
3041 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
3042 NetSendToAll(buffer);
3044 if (strlen(dmodes)>MAXMODES)
3046 dmodes[MAXMODES-1] = '\0';
3048 log(DEBUG,"Stripped mode line");
3049 log(DEBUG,"Line dest is now %s",dmodes);
3050 strncpy(dest->modes,dmodes,MAXMODES);
3057 Ptr = FindChan(parameters[0]);
3062 /* just /modes #channel */
3063 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
3064 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
3070 if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
3073 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
3075 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
3077 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
3082 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
3084 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
3088 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
3092 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3099 void server_mode(char **parameters, int pcnt, userrec *user)
3105 char outpars[MAXBUF];
3107 dest = Find(parameters[0]);
3109 // fix: ChroNiCk found this - we cant use this as debug if its null!
3112 log(DEBUG,"server_mode on %s",dest->nick);
3115 if ((dest) && (pcnt > 1))
3117 log(DEBUG,"params > 1");
3119 char dmodes[MAXBUF];
3120 strncpy(dmodes,dest->modes,MAXBUF);
3122 strcpy(outpars,"+");
3125 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3128 for (int i = 0; i < strlen(parameters[1]); i++)
3130 if (parameters[1][i] == '+')
3134 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3136 outpars[strlen(outpars)-1] = '+';
3140 strcat(outpars,"+");
3146 if (parameters[1][i] == '-')
3150 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3152 outpars[strlen(outpars)-1] = '-';
3156 strcat(outpars,"-");
3163 log(DEBUG,"begin mode processing entry");
3169 log(DEBUG,"umode %c being added",parameters[1][i]);
3170 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
3172 char umode = parameters[1][i];
3173 log(DEBUG,"umode %c is an allowed umode",umode);
3174 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3176 dmodes[strlen(dmodes)+1]='\0';
3177 dmodes[strlen(dmodes)] = parameters[1][i];
3178 outpars[strlen(outpars)+1]='\0';
3179 outpars[strlen(outpars)] = parameters[1][i];
3185 // can only remove a mode they already have
3186 log(DEBUG,"umode %c being removed",parameters[1][i]);
3187 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
3189 char umode = parameters[1][i];
3190 log(DEBUG,"umode %c is an allowed umode",umode);
3191 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3197 outpars[strlen(outpars)+1]='\0';
3198 outpars[strlen(outpars)] = parameters[1][i];
3201 for (q = 0; q < strlen(dmodes); q++)
3203 if (dmodes[q] != parameters[1][i])
3210 strcpy(dmodes,temp);
3217 if (strlen(outpars))
3223 while (i < strlen (outpars))
3225 b[z++] = outpars[i++];
3227 if (i<strlen(outpars)-1)
3229 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3231 // someones playing silly buggers and trying
3232 // to put a +- or -+ into the line...
3236 if (i == strlen(outpars)-1)
3238 if ((outpars[i] == '-') || (outpars[i] == '+'))
3246 if ((b[z] == '-') || (b[z] == '+'))
3249 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3252 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
3254 // M token for a usermode must go to all servers
3255 char buffer[MAXBUF];
3256 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
3257 NetSendToAll(buffer);
3259 if (strlen(dmodes)>MAXMODES)
3261 dmodes[MAXMODES-1] = '\0';
3263 log(DEBUG,"Stripped mode line");
3264 log(DEBUG,"Line dest is now %s",dmodes);
3265 strncpy(dest->modes,dmodes,MAXMODES);
3272 Ptr = FindChan(parameters[0]);
3275 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
3279 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3285 void merge_mode(char **parameters, int pcnt)
3291 char outpars[MAXBUF];
3293 dest = Find(parameters[0]);
3295 // fix: ChroNiCk found this - we cant use this as debug if its null!
3298 log(DEBUG,"merge_mode on %s",dest->nick);
3301 if ((dest) && (pcnt > 1))
3303 log(DEBUG,"params > 1");
3305 char dmodes[MAXBUF];
3306 strncpy(dmodes,dest->modes,MAXBUF);
3308 strcpy(outpars,"+");
3311 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3314 for (int i = 0; i < strlen(parameters[1]); i++)
3316 if (parameters[1][i] == '+')
3320 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3322 outpars[strlen(outpars)-1] = '+';
3326 strcat(outpars,"+");
3332 if (parameters[1][i] == '-')
3336 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3338 outpars[strlen(outpars)-1] = '-';
3342 strcat(outpars,"-");
3349 log(DEBUG,"begin mode processing entry");
3355 log(DEBUG,"umode %c being added",parameters[1][i]);
3356 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
3358 char umode = parameters[1][i];
3359 log(DEBUG,"umode %c is an allowed umode",umode);
3360 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3362 dmodes[strlen(dmodes)+1]='\0';
3363 dmodes[strlen(dmodes)] = parameters[1][i];
3364 outpars[strlen(outpars)+1]='\0';
3365 outpars[strlen(outpars)] = parameters[1][i];
3371 // can only remove a mode they already have
3372 log(DEBUG,"umode %c being removed",parameters[1][i]);
3373 if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
3375 char umode = parameters[1][i];
3376 log(DEBUG,"umode %c is an allowed umode",umode);
3377 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3383 outpars[strlen(outpars)+1]='\0';
3384 outpars[strlen(outpars)] = parameters[1][i];
3387 for (q = 0; q < strlen(dmodes); q++)
3389 if (dmodes[q] != parameters[1][i])
3396 strcpy(dmodes,temp);
3403 if (strlen(outpars))
3409 while (i < strlen (outpars))
3411 b[z++] = outpars[i++];
3413 if (i<strlen(outpars)-1)
3415 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3417 // someones playing silly buggers and trying
3418 // to put a +- or -+ into the line...
3422 if (i == strlen(outpars)-1)
3424 if ((outpars[i] == '-') || (outpars[i] == '+'))
3432 if ((b[z] == '-') || (b[z] == '+'))
3435 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3438 if (strlen(dmodes)>MAXMODES)
3440 dmodes[MAXMODES-1] = '\0';
3442 log(DEBUG,"Stripped mode line");
3443 log(DEBUG,"Line dest is now %s",dmodes);
3444 strncpy(dest->modes,dmodes,MAXMODES);
3451 Ptr = FindChan(parameters[0]);
3455 strncpy(s2.nick,ServerName,NICKMAX);
3456 strcpy(s2.modes,"o");
3458 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
3463 void merge_mode2(char **parameters, int pcnt, userrec* user)
3469 char outpars[MAXBUF];
3471 dest = Find(parameters[0]);
3473 // fix: ChroNiCk found this - we cant use this as debug if its null!
3476 log(DEBUG,"merge_mode on %s",dest->nick);
3479 if ((dest) && (pcnt > 1))
3481 log(DEBUG,"params > 1");
3483 char dmodes[MAXBUF];
3484 strncpy(dmodes,dest->modes,MAXBUF);
3486 strcpy(outpars,"+");
3489 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3492 for (int i = 0; i < strlen(parameters[1]); i++)
3494 if (parameters[1][i] == '+')
3498 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3500 outpars[strlen(outpars)-1] = '+';
3504 strcat(outpars,"+");
3510 if (parameters[1][i] == '-')
3514 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3516 outpars[strlen(outpars)-1] = '-';
3520 strcat(outpars,"-");
3527 log(DEBUG,"begin mode processing entry");
3533 log(DEBUG,"umode %c being added",parameters[1][i]);
3534 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
3536 char umode = parameters[1][i];
3537 log(DEBUG,"umode %c is an allowed umode",umode);
3538 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3540 dmodes[strlen(dmodes)+1]='\0';
3541 dmodes[strlen(dmodes)] = parameters[1][i];
3542 outpars[strlen(outpars)+1]='\0';
3543 outpars[strlen(outpars)] = parameters[1][i];
3549 // can only remove a mode they already have
3550 log(DEBUG,"umode %c being removed",parameters[1][i]);
3551 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
3553 char umode = parameters[1][i];
3554 log(DEBUG,"umode %c is an allowed umode",umode);
3555 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3561 outpars[strlen(outpars)+1]='\0';
3562 outpars[strlen(outpars)] = parameters[1][i];
3565 for (q = 0; q < strlen(dmodes); q++)
3567 if (dmodes[q] != parameters[1][i])
3574 strcpy(dmodes,temp);
3581 if (strlen(outpars))
3587 while (i < strlen (outpars))
3589 b[z++] = outpars[i++];
3591 if (i<strlen(outpars)-1)
3593 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3595 // someones playing silly buggers and trying
3596 // to put a +- or -+ into the line...
3600 if (i == strlen(outpars)-1)
3602 if ((outpars[i] == '-') || (outpars[i] == '+'))
3610 if ((b[z] == '-') || (b[z] == '+'))
3613 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3616 WriteTo(user,dest,"MODE :%s",b);
3618 if (strlen(dmodes)>MAXMODES)
3620 dmodes[MAXMODES-1] = '\0';
3622 log(DEBUG,"Stripped mode line");
3623 log(DEBUG,"Line dest is now %s",dmodes);
3624 strncpy(dest->modes,dmodes,MAXMODES);
3631 Ptr = FindChan(parameters[0]);
3634 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
3639 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
3645 /* This function pokes and hacks at a parameter list like the following:
3647 * PART #winbot, #darkgalaxy :m00!
3649 * to turn it into a series of individual calls like this:
3651 * PART #winbot :m00!
3652 * PART #darkgalaxy :m00!
3654 * The seperate calls are sent to a callback function provided by the caller
3655 * (the caller will usually call itself recursively). The callback function
3656 * must be a command handler. Calling this function on a line with no list causes
3657 * no action to be taken. You must provide a starting and ending parameter number
3658 * where the range of the list can be found, useful if you have a terminating
3659 * parameter as above which is actually not part of the list, or parameters
3660 * before the actual list as well. This code is used by many functions which
3661 * can function as "one to list" (see the RFC) */
3663 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
3668 char blog[32][MAXBUF];
3669 char blog2[32][MAXBUF];
3670 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
3671 char keystr[MAXBUF];
3674 for (int i = 0; i <32; i++)
3677 for (int i = 0; i <32; i++)
3678 strcpy(blog2[i],"");
3681 for (int i = 0; i <10; i++)
3685 parameters[i] = moo;
3690 if (pcnt > 1) /* we have a key to copy */
3692 strcpy(keystr,parameters[1]);
3696 if (!parameters[start])
3700 if (!strchr(parameters[start],','))
3705 for (int i = start; i <= end; i++)
3709 strcat(plist,parameters[i]);
3717 for (int i = 0; i < t; i++)
3719 if (plist[i] == ',')
3722 strcpy(blog[j++],param);
3726 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
3731 strcpy(blog[j++],param);
3734 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
3739 if ((joins) && (keystr))
3741 if (strchr(keystr,','))
3745 t2 = strlen(keystr);
3746 for (int i = 0; i < t2; i++)
3748 if (keystr[i] == ',')
3751 strcpy(blog2[j++],param);
3755 strcpy(blog2[j++],param);
3760 for (j = 0; j < total; j++)
3766 for (q = end; q < pcnt-1; q++)
3768 if (parameters[q+1])
3770 pars[q-end+1] = parameters[q+1];
3773 if ((joins) && (parameters[1]))
3784 /* repeatedly call the function with the hacked parameter list */
3785 if ((joins) && (pcnt > 1))
3789 // pars[1] already set up and containing key from blog2[j]
3794 pars[1] = parameters[1];
3800 fn(pars,pcnt-(end-start),u);
3808 void handle_join(char **parameters, int pcnt, userrec *user)
3813 if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
3815 if (parameters[0][0] == '#')
3817 Ptr = add_channel(user,parameters[0],parameters[1],false);
3822 void handle_part(char **parameters, int pcnt, userrec *user)
3828 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
3830 del_channel(user,parameters[0],parameters[1],false);
3834 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
3836 del_channel(user,parameters[0],NULL,false);
3840 void handle_kick(char **parameters, int pcnt, userrec *user)
3842 chanrec* Ptr = FindChan(parameters[0]);
3843 userrec* u = Find(parameters[1]);
3847 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3851 if (!has_channel(u,Ptr))
3853 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
3857 char reason[MAXBUF];
3861 strncpy(reason,parameters[2],MAXBUF);
3862 if (strlen(reason)>MAXKICK)
3864 reason[MAXKICK-1] = '\0';
3867 kick_channel(user,u,Ptr,reason);
3871 strcpy(reason,user->nick);
3872 kick_channel(user,u,Ptr,reason);
3875 // this must be propogated so that channel membership is kept in step network-wide
3877 char buffer[MAXBUF];
3878 snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
3879 NetSendToAll(buffer);
3883 void handle_die(char **parameters, int pcnt, userrec *user)
3885 log(DEBUG,"die: %s",user->nick);
3886 if (!strcmp(parameters[0],diepass))
3888 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
3894 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
3898 void handle_restart(char **parameters, int pcnt, userrec *user)
3900 log(DEBUG,"restart: %s",user->nick);
3901 if (!strcmp(parameters[0],restartpass))
3903 WriteOpers("*** RESTART command from %s!%s@%s, Pretending to restart till this is finished :D",user->nick,user->ident,user->host);
3906 /* Will finish this later when i can be arsed :) */
3910 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
3915 void kill_link(userrec *user,const char* r)
3917 user_hash::iterator iter = clientlist.find(user->nick);
3919 char reason[MAXBUF];
3921 strncpy(reason,r,MAXBUF);
3923 if (strlen(reason)>MAXQUIT)
3925 reason[MAXQUIT-1] = '\0';
3928 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
3929 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
3930 log(DEBUG,"closing fd %d",user->fd);
3932 /* bugfix, cant close() a nonblocking socket (sux!) */
3933 if (user->registered == 7) {
3934 FOREACH_MOD OnUserQuit(user);
3935 WriteCommonExcept(user,"QUIT :%s",reason);
3937 // Q token must go to ALL servers!!!
3938 char buffer[MAXBUF];
3939 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
3940 NetSendToAll(buffer);
3943 /* push the socket on a stack of sockets due to be closed at the next opportunity
3944 * 'Client exited' is an exception to this as it means the client side has already
3945 * closed the socket, we don't need to do it.
3947 fd_reap.push_back(user->fd);
3949 bool do_purge = false;
3951 if (user->registered == 7) {
3952 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
3956 if (iter != clientlist.end())
3958 log(DEBUG,"deleting user hash value %d",iter->second);
3959 if ((iter->second) && (user->registered == 7)) {
3960 delete iter->second;
3962 clientlist.erase(iter);
3965 if (user->registered == 7) {
3966 purge_empty_chans();
3971 void handle_kill(char **parameters, int pcnt, userrec *user)
3973 userrec *u = Find(parameters[0]);
3974 char killreason[MAXBUF];
3976 log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
3979 if (strcmp(ServerName,u->server))
3982 WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
3983 sprintf(killreason,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
3984 WriteCommonExcept(u,"QUIT :%s",killreason);
3985 // K token must go to ALL servers!!!
3986 char buffer[MAXBUF];
3987 snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
3988 NetSendToAll(buffer);
3990 user_hash::iterator iter = clientlist.find(u->nick);
3991 if (iter != clientlist.end())
3993 log(DEBUG,"deleting user hash value %d",iter->second);
3994 if ((iter->second) && (user->registered == 7)) {
3995 delete iter->second;
3997 clientlist.erase(iter);
3999 purge_empty_chans();
4004 WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
4005 WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
4006 sprintf(killreason,"Killed (%s (%s))",user->nick,parameters[1]);
4007 kill_link(u,killreason);
4012 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4016 void handle_summon(char **parameters, int pcnt, userrec *user)
4018 WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
4021 void handle_users(char **parameters, int pcnt, userrec *user)
4023 WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
4027 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
4029 char* Passwd(userrec *user)
4031 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4033 if (match(user->host,i->host) && (i->type == CC_ALLOW))
4041 bool IsDenied(userrec *user)
4043 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4045 if (match(user->host,i->host) && (i->type == CC_DENY))
4055 void handle_pass(char **parameters, int pcnt, userrec *user)
4057 // Check to make sure they havnt registered -- Fix by FCS
4058 if (user->registered == 7)
4060 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
4063 if (!strcasecmp(parameters[0],Passwd(user)))
4065 user->haspassed = true;
4069 void handle_invite(char **parameters, int pcnt, userrec *user)
4071 userrec* u = Find(parameters[0]);
4072 chanrec* c = FindChan(parameters[1]);
4078 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
4084 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
4093 if (cstatus(user,c) < STATUS_HOP)
4095 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
4099 if (has_channel(u,c))
4101 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
4104 if (!has_channel(user,c))
4106 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
4109 u->InviteTo(c->name);
4110 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
4111 WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
4113 // i token must go to ALL servers!!!
4114 char buffer[MAXBUF];
4115 snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
4116 NetSendToAll(buffer);
4119 void handle_topic(char **parameters, int pcnt, userrec *user)
4125 if (strlen(parameters[0]) <= CHANMAX)
4127 Ptr = FindChan(parameters[0]);
4132 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
4133 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
4137 WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
4142 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4149 if (strlen(parameters[0]) <= CHANMAX)
4151 Ptr = FindChan(parameters[0]);
4154 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
4156 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
4161 strncpy(topic,parameters[1],MAXBUF);
4162 if (strlen(topic)>MAXTOPIC)
4164 topic[MAXTOPIC-1] = '\0';
4167 strcpy(Ptr->topic,topic);
4168 strcpy(Ptr->setby,user->nick);
4169 Ptr->topicset = time(NULL);
4170 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
4172 // t token must go to ALL servers!!!
4173 char buffer[MAXBUF];
4174 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
4175 NetSendToAll(buffer);
4179 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4185 /* sends out an error notice to all connected clients (not to be used
4188 void send_error(char *s)
4190 log(DEBUG,"send_error: %s",s);
4191 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4193 if (isnick(i->second->nick))
4195 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
4199 // fix - unregistered connections receive ERROR, not NOTICE
4200 Write(i->second->fd,"ERROR :%s",s);
4205 void Error(int status)
4207 signal (SIGALRM, SIG_IGN);
4208 signal (SIGPIPE, SIG_IGN);
4209 signal (SIGTERM, SIG_IGN);
4210 signal (SIGABRT, SIG_IGN);
4211 signal (SIGSEGV, SIG_IGN);
4212 signal (SIGURG, SIG_IGN);
4213 signal (SIGKILL, SIG_IGN);
4214 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
4215 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
4220 int main(int argc, char *argv[])
4224 log(DEBUG,"*** InspIRCd starting up!");
4225 if (!FileExists(CONFIG_FILE))
4227 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
4228 log(DEBUG,"main: no config");
4229 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
4233 if (!strcmp(argv[1],"-nofork")) {
4237 if (InspIRCd() == ERROR)
4239 log(DEBUG,"main: daemon function bailed");
4240 printf("ERROR: could not initialise. Shutting down.\n");
4247 template<typename T> inline string ConvToStr(const T &in)
4250 if (!(tmp << in)) return string();
4254 /* re-allocates a nick in the user_hash after they change nicknames,
4255 * returns a pointer to the new user as it may have moved */
4257 userrec* ReHashNick(char* Old, char* New)
4259 user_hash::iterator newnick;
4260 user_hash::iterator oldnick = clientlist.find(Old);
4262 log(DEBUG,"ReHashNick: %s %s",Old,New);
4264 if (!strcasecmp(Old,New))
4266 log(DEBUG,"old nick is new nick, skipping");
4267 return oldnick->second;
4270 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
4272 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
4274 clientlist[New] = new userrec();
4275 clientlist[New] = oldnick->second;
4276 /*delete oldnick->second; */
4277 clientlist.erase(oldnick);
4279 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
4281 return clientlist[New];
4284 /* adds or updates an entry in the whowas list */
4285 void AddWhoWas(userrec* u)
4287 user_hash::iterator iter = whowas.find(u->nick);
4288 userrec *a = new userrec();
4289 strcpy(a->nick,u->nick);
4290 strcpy(a->ident,u->ident);
4291 strcpy(a->dhost,u->dhost);
4292 strcpy(a->host,u->host);
4293 strcpy(a->fullname,u->fullname);
4294 strcpy(a->server,u->server);
4295 a->signon = u->signon;
4297 /* MAX_WHOWAS: max number of /WHOWAS items
4298 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
4299 * can be replaced by a newer one
4302 if (iter == whowas.end())
4304 if (whowas.size() == WHOWAS_MAX)
4306 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
4308 // 3600 seconds in an hour ;)
4309 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
4313 log(DEBUG,"added WHOWAS entry, purged an old record");
4320 log(DEBUG,"added fresh WHOWAS entry");
4321 whowas[a->nick] = a;
4326 log(DEBUG,"updated WHOWAS entry");
4327 delete iter->second;
4333 /* add a client connection to the sockets list */
4334 void AddClient(int socket, char* host, int port, bool iscached)
4338 char resolved[MAXBUF];
4341 user_hash::iterator iter;
4343 tempnick = ConvToStr(socket) + "-unknown";
4344 sprintf(tn2,"%d-unknown",socket);
4346 iter = clientlist.find(tempnick);
4348 if (iter != clientlist.end()) return;
4351 * It is OK to access the value here this way since we know
4352 * it exists, we just created it above.
4354 * At NO other time should you access a value in a map or a
4355 * hash_map this way.
4357 clientlist[tempnick] = new userrec();
4359 NonBlocking(socket);
4360 log(DEBUG,"AddClient: %d %s %d",socket,host,port);
4362 clientlist[tempnick]->fd = socket;
4363 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
4364 strncpy(clientlist[tempnick]->host, host,160);
4365 strncpy(clientlist[tempnick]->dhost, host,160);
4366 strncpy(clientlist[tempnick]->server, ServerName,256);
4367 strncpy(clientlist[tempnick]->ident, "unknown",9);
4368 clientlist[tempnick]->registered = 0;
4369 clientlist[tempnick]->signon = time(NULL);
4370 clientlist[tempnick]->nping = time(NULL)+240;
4371 clientlist[tempnick]->lastping = 1;
4372 clientlist[tempnick]->port = port;
4376 WriteServ(socket,"NOTICE Auth :Found your hostname (cached)...");
4380 WriteServ(socket,"NOTICE Auth :Looking up your hostname...");
4383 // set the registration timeout for this user
4384 unsigned long class_regtimeout = 90;
4385 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4387 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
4389 class_regtimeout = (unsigned long)i->registration_timeout;
4394 int class_flood = 0;
4395 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4397 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
4399 class_flood = i->flood;
4404 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
4405 clientlist[tempnick]->flood = class_flood;
4407 for (int i = 0; i < MAXCHANS; i++)
4409 clientlist[tempnick]->chans[i].channel = NULL;
4410 clientlist[tempnick]->chans[i].uc_modes = 0;
4413 if (clientlist.size() == MAXCLIENTS)
4414 kill_link(clientlist[tempnick],"No more connections allowed in this class");
4417 void handle_names(char **parameters, int pcnt, userrec *user)
4421 if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
4423 c = FindChan(parameters[0]);
4426 /*WriteServ(user->fd,"353 %s = %s :%s", user->nick, c->name,*/
4428 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
4432 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4436 void handle_privmsg(char **parameters, int pcnt, userrec *user)
4441 user->idle_lastmsg = time(NULL);
4443 if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
4445 if (parameters[0][0] == '#')
4447 chan = FindChan(parameters[0]);
4450 if ((chan->noexternal) && (!has_channel(user,chan)))
4452 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
4455 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
4457 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
4463 FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
4468 ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
4470 // if any users of this channel are on remote servers, broadcast the packet
4471 char buffer[MAXBUF];
4472 snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
4473 NetSendToCommon(user,buffer);
4477 /* no such nick/channel */
4478 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4483 dest = Find(parameters[0]);
4486 if (strcmp(dest->awaymsg,""))
4488 /* auto respond with aweh msg */
4489 WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
4494 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,std::string(parameters[1])));
4501 if (!strcmp(dest->server,user->server))
4503 // direct write, same server
4504 WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
4508 char buffer[MAXBUF];
4509 snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
4510 NetSendToOne(dest->server,buffer);
4515 /* no such nick/channel */
4516 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4520 void handle_notice(char **parameters, int pcnt, userrec *user)
4525 user->idle_lastmsg = time(NULL);
4527 if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
4529 if (parameters[0][0] == '#')
4531 chan = FindChan(parameters[0]);
4534 if ((chan->noexternal) && (!has_channel(user,chan)))
4536 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
4539 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
4541 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
4547 FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
4552 ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
4554 // if any users of this channel are on remote servers, broadcast the packet
4555 char buffer[MAXBUF];
4556 snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
4557 NetSendToCommon(user,buffer);
4561 /* no such nick/channel */
4562 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4567 dest = Find(parameters[0]);
4572 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,std::string(parameters[1])));
4577 if (!strcmp(dest->server,user->server))
4579 // direct write, same server
4580 WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
4584 char buffer[MAXBUF];
4585 snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
4586 NetSendToOne(dest->server,buffer);
4591 /* no such nick/channel */
4592 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4598 char* chlist(userrec *user)
4603 log(DEBUG,"chlist: %s",user->nick);
4609 for (int i = 0; i != MAXCHANS; i++)
4611 if (user->chans[i].channel != NULL)
4613 if (user->chans[i].channel->name)
4615 strcpy(cmp,user->chans[i].channel->name);
4617 if (!strstr(lst,cmp))
4619 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
4621 strcat(lst,cmode(user,user->chans[i].channel));
4622 strcat(lst,user->chans[i].channel->name);
4631 lst[strlen(lst)-1] = '\0'; // chop trailing space
4636 void handle_info(char **parameters, int pcnt, userrec *user)
4638 WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
4639 WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
4640 WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
4641 FOREACH_MOD OnInfo(user);
4642 WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
4645 void handle_time(char **parameters, int pcnt, userrec *user)
4648 struct tm * timeinfo;
4651 timeinfo = localtime ( &rawtime );
4652 WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
4656 void handle_whois(char **parameters, int pcnt, userrec *user)
4661 if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
4663 dest = Find(parameters[0]);
4666 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
4667 if (dest->registered == 7)
4669 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
4670 if ((user == dest) || (strchr(user->modes,'o')))
4672 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
4674 if (strcmp(chlist(dest),""))
4676 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
4678 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, ServerDesc);
4679 if (strcmp(dest->awaymsg,""))
4681 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
4683 if (strchr(dest->modes,'o'))
4685 WriteServ(user->fd,"313 %s %s :is an IRC operator",user->nick, dest->nick);
4687 FOREACH_MOD OnWhois(user,dest);
4688 //WriteServ(user->fd,"310 %s %s :is available for help.",user->nick, dest->nick);
4689 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-time(NULL)), dest->signon);
4691 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
4695 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4700 /* no such nick/channel */
4701 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4705 void send_network_quit(const char* nick, const char* reason)
4707 char buffer[MAXBUF];
4708 snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
4709 NetSendToAll(buffer);
4712 void handle_quit(char **parameters, int pcnt, userrec *user)
4714 user_hash::iterator iter = clientlist.find(user->nick);
4717 if (user->registered == 7)
4719 /* theres more to do here, but for now just close the socket */
4722 if (parameters[0][0] == ':')
4726 reason = parameters[0];
4728 if (strlen(reason)>MAXQUIT)
4730 reason[MAXQUIT-1] = '\0';
4733 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
4734 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
4735 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
4737 char buffer[MAXBUF];
4738 snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
4739 NetSendToAll(buffer);
4743 Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
4744 WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
4745 WriteCommonExcept(user,"QUIT :Client exited");
4747 char buffer[MAXBUF];
4748 snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
4749 NetSendToAll(buffer);
4751 FOREACH_MOD OnUserQuit(user);
4755 /* push the socket on a stack of sockets due to be closed at the next opportunity */
4756 fd_reap.push_back(user->fd);
4758 if (iter != clientlist.end())
4760 clientlist.erase(iter);
4761 log(DEBUG,"deleting user hash value %d",iter->second);
4762 //if ((user) && (user->registered == 7)) {
4767 if (user->registered == 7) {
4768 purge_empty_chans();
4772 void handle_who(char **parameters, int pcnt, userrec *user)
4774 chanrec* Ptr = NULL;
4776 /* theres more to do here, but for now just close the socket */
4779 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
4781 if (user->chans[0].channel)
4783 Ptr = user->chans[0].channel;
4784 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4786 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
4788 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);
4794 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4798 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, user->nick);
4802 if (parameters[0][0] == '#')
4804 Ptr = FindChan(parameters[0]);
4807 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4809 if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
4811 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);
4814 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4818 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4823 userrec* u = Find(parameters[0]);
4824 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);
4829 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
4831 Ptr = user->chans[0].channel;
4832 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4834 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
4836 if (strchr(i->second->modes,'o'))
4838 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);
4842 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4848 void handle_wallops(char **parameters, int pcnt, userrec *user)
4850 WriteWallOps(user,false,"%s",parameters[0]);
4853 void handle_list(char **parameters, int pcnt, userrec *user)
4857 WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
4858 for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
4860 if ((!i->second->c_private) && (!i->second->secret))
4862 WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
4865 WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
4869 void handle_rehash(char **parameters, int pcnt, userrec *user)
4871 WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
4873 FOREACH_MOD OnRehash();
4874 WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
4880 return clientlist.size();
4884 int usercount_invisible(void)
4888 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4890 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
4895 int usercount_opers(void)
4899 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4901 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
4906 int usercount_unknown(void)
4910 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4912 if ((i->second->fd) && (i->second->registered != 7))
4918 long chancount(void)
4920 return chanlist.size();
4923 long count_servs(void)
4926 //for (int j = 0; j < 255; j++)
4928 // if (servers[j] != NULL)
4934 long servercount(void)
4936 return count_servs()+1;
4942 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4944 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
4950 void handle_lusers(char **parameters, int pcnt, userrec *user)
4952 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
4953 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
4954 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
4955 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
4956 WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
4959 void handle_admin(char **parameters, int pcnt, userrec *user)
4961 WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
4962 WriteServ(user->fd,"257 %s :Name - %s",user->nick,AdminName);
4963 WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
4964 WriteServ(user->fd,"258 %s :E-Mail - %s",user->nick,AdminEmail);
4967 void ShowMOTD(userrec *user)
4971 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
4974 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
4975 for (int i = 0; i != MOTD.size(); i++)
4977 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
4979 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
4982 void ShowRULES(userrec *user)
4986 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
4989 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
4990 for (int i = 0; i != RULES.size(); i++)
4992 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
4994 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
4997 /* shows the message of the day, and any other on-logon stuff */
4998 void ConnectUser(userrec *user)
5000 user->registered = 7;
5001 user->idle_lastmsg = time(NULL);
5002 log(DEBUG,"ConnectUser: %s",user->nick);
5004 if (strcmp(Passwd(user),"") && (!user->haspassed))
5006 kill_link(user,"Invalid password");
5011 kill_link(user,"Unauthorised connection");
5015 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
5016 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
5017 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
5018 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
5019 WriteServ(user->fd,"004 %s :%s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
5020 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);
5021 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);
5023 FOREACH_MOD OnUserConnect(user);
5024 WriteOpers("*** Client connecting on port %d: %s!%s@%s",user->port,user->nick,user->ident,user->host);
5026 char buffer[MAXBUF];
5027 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);
5028 NetSendToAll(buffer);
5031 void handle_version(char **parameters, int pcnt, userrec *user)
5033 WriteServ(user->fd,"351 %s :%s %s %s :%s",user->nick,VERSION,"$Revision$ $Date$",ServerName,SYSTEM);
5036 void handle_ping(char **parameters, int pcnt, userrec *user)
5038 WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
5041 void handle_pong(char **parameters, int pcnt, userrec *user)
5043 // set the user as alive so they survive to next ping
5047 void handle_motd(char **parameters, int pcnt, userrec *user)
5052 void handle_rules(char **parameters, int pcnt, userrec *user)
5057 void handle_user(char **parameters, int pcnt, userrec *user)
5059 if (user->registered < 3)
5061 if (isident(parameters[0]) == 0) {
5062 // This kinda Sucks, According to the RFC thou, its either this,
5063 // or "You have already registered" :p -- Craig
5064 WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
5067 WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
5068 strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
5069 strncat(user->ident,parameters[0],IDENTMAX);
5070 strncpy(user->fullname,parameters[3],128);
5071 user->registered = (user->registered | 1);
5076 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
5079 /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
5080 if (user->registered == 3)
5082 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
5087 void handle_userhost(char **parameters, int pcnt, userrec *user)
5089 char Return[MAXBUF],junk[MAXBUF];
5090 sprintf(Return,"302 %s :",user->nick);
5091 for (int i = 0; i < pcnt; i++)
5093 userrec *u = Find(parameters[i]);
5096 if (strchr(u->modes,'o'))
5098 sprintf(junk,"%s*=+%s@%s ",u->nick,u->ident,u->host);
5099 strcat(Return,junk);
5103 sprintf(junk,"%s=+%s@%s ",u->nick,u->ident,u->host);
5104 strcat(Return,junk);
5108 WriteServ(user->fd,Return);
5112 void handle_ison(char **parameters, int pcnt, userrec *user)
5114 char Return[MAXBUF];
5115 sprintf(Return,"303 %s :",user->nick);
5116 for (int i = 0; i < pcnt; i++)
5118 userrec *u = Find(parameters[i]);
5121 strcat(Return,u->nick);
5125 WriteServ(user->fd,Return);
5129 void handle_away(char **parameters, int pcnt, userrec *user)
5133 strcpy(user->awaymsg,parameters[0]);
5134 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
5138 strcpy(user->awaymsg,"");
5139 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
5143 void handle_whowas(char **parameters, int pcnt, userrec* user)
5145 user_hash::iterator i = whowas.find(parameters[0]);
5147 if (i == whowas.end())
5149 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
5150 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
5154 time_t rawtime = i->second->signon;
5158 timeinfo = localtime(&rawtime);
5159 strcpy(b,asctime(timeinfo));
5160 b[strlen(b)-1] = '\0';
5162 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
5163 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
5164 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
5169 void handle_trace(char **parameters, int pcnt, userrec *user)
5171 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
5175 if (isnick(i->second->nick))
5177 if (strchr(i->second->modes,'o'))
5179 WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
5183 WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
5188 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
5194 void handle_modules(char **parameters, int pcnt, userrec *user)
5196 for (int i = 0; i < module_names.size(); i++)
5198 Version V = modules[i]->GetVersion();
5199 char modulename[MAXBUF];
5200 strncpy(modulename,module_names[i].c_str(),256);
5201 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));
5205 // calls a handler function for a command
5207 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
5209 for (int i = 0; i < cmdlist.size(); i++)
5211 if (!strcasecmp(cmdlist[i].command,commandname))
5213 if (cmdlist[i].handler_function)
5215 if (pcnt>=cmdlist[i].min_params)
5217 if (strchr(user->modes,cmdlist[i].flags_needed))
5219 cmdlist[i].handler_function(parameters,pcnt,user);
5227 void handle_stats(char **parameters, int pcnt, userrec *user)
5233 if (strlen(parameters[0])>1)
5235 /* make the stats query 1 character long */
5236 parameters[0][1] = '\0';
5239 /* stats m (list number of times each command has been used, plus bytecount) */
5240 if (!strcasecmp(parameters[0],"m"))
5242 for (int i = 0; i < cmdlist.size(); i++)
5244 if (cmdlist[i].handler_function)
5246 if (cmdlist[i].use_count)
5248 /* RPL_STATSCOMMANDS */
5249 WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
5256 /* stats z (debug and memory info) */
5257 if (!strcasecmp(parameters[0],"z"))
5259 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
5260 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
5261 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
5262 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
5263 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
5264 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
5265 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
5266 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
5270 if (!strcasecmp(parameters[0],"o"))
5272 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
5274 char LoginName[MAXBUF];
5275 char HostName[MAXBUF];
5276 char OperType[MAXBUF];
5277 ConfValue("oper","name",i,LoginName,&config_f);
5278 ConfValue("oper","host",i,HostName,&config_f);
5279 ConfValue("oper","type",i,OperType,&config_f);
5280 WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
5284 /* stats l (show user I/O stats) */
5285 if (!strcasecmp(parameters[0],"l"))
5287 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
5288 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
5290 if (isnick(i->second->nick))
5292 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);
5296 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);
5302 /* stats u (show server uptime) */
5303 if (!strcasecmp(parameters[0],"u"))
5305 time_t current_time = 0;
5306 current_time = time(NULL);
5307 time_t server_uptime = current_time - startup_time;
5309 stime = gmtime(&server_uptime);
5310 /* i dont know who the hell would have an ircd running for over a year nonstop, but
5311 * Craig suggested this, and it seemed a good idea so in it went */
5312 if (stime->tm_year > 70)
5314 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);
5318 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);
5322 WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
5323 WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
5327 void handle_connect(char **parameters, int pcnt, userrec *user)
5329 char Link_ServerName[1024];
5330 char Link_IPAddr[1024];
5331 char Link_Port[1024];
5332 char Link_Pass[1024];
5336 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
5340 ConfValue("link","name",i,Link_ServerName,&config_f);
5341 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
5342 ConfValue("link","port",i,Link_Port,&config_f);
5343 ConfValue("link","sendpass",i,Link_Pass,&config_f);
5344 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5345 LinkPort = atoi(Link_Port);
5346 if (match(Link_ServerName,parameters[0])) {
5354 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
5358 // TODO: Perform a check here to stop a server being linked twice!
5360 WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
5362 if (me[defaultRoute])
5364 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
5369 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);
5373 void DoSplitEveryone()
5375 bool go_again = true;
5379 for (int i = 0; i < 32; i++)
5383 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
5385 if (strcasecmp(j->GetServerName().c_str(),ServerName))
5388 j->CloseConnection();
5389 me[i]->connectors.erase(j);
5397 log(DEBUG,"Removed server. Will remove clients...");
5398 // iterate through the userlist and remove all users on this server.
5399 // because we're dealing with a mesh, we dont have to deal with anything
5400 // "down-route" from this server (nice huh)
5402 char reason[MAXBUF];
5406 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
5408 if (strcasecmp(u->second->server,ServerName))
5410 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
5411 kill_link(u->second,reason);
5421 void handle_squit(char **parameters, int pcnt, userrec *user)
5423 // send out an squit across the mesh and then clear the server list (for local squit)
5426 WriteOpers("SQUIT command issued by %s",user->nick);
5427 char buffer[MAXBUF];
5428 snprintf(buffer,MAXBUF,"& %s",ServerName);
5429 NetSendToAll(buffer);
5434 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
5438 char islast(const char* s)
5441 for (int j = 0; j < 32; j++)
5445 for (int k = 0; k < me[j]->connectors.size(); k++)
5447 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
5451 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
5461 long map_count(const char* s)
5464 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
5466 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
5471 void handle_links(char **parameters, int pcnt, userrec *user)
5473 WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
5474 for (int j = 0; j < 32; j++)
5478 for (int k = 0; k < me[j]->connectors.size(); k++)
5480 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());
5484 WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
5487 void handle_map(char **parameters, int pcnt, userrec *user)
5490 snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
5491 while (strlen(line) < 50)
5493 WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)usercnt())*100));
5494 for (int j = 0; j < 32; j++)
5498 for (int k = 0; k < me[j]->connectors.size(); k++)
5500 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
5501 while (strlen(line) < 50)
5503 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));
5507 WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
5511 void handle_oper(char **parameters, int pcnt, userrec *user)
5513 char LoginName[MAXBUF];
5514 char Password[MAXBUF];
5515 char OperType[MAXBUF];
5516 char TypeName[MAXBUF];
5517 char Hostname[MAXBUF];
5520 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
5522 ConfValue("oper","name",i,LoginName,&config_f);
5523 ConfValue("oper","password",i,Password,&config_f);
5524 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])))
5526 /* correct oper credentials */
5527 ConfValue("oper","type",i,OperType,&config_f);
5528 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
5529 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
5530 WriteServ(user->fd,"MODE %s :+o",user->nick);
5531 for (j =0; j < ConfValueEnum("type",&config_f); j++)
5533 ConfValue("type","name",j,TypeName,&config_f);
5534 if (!strcmp(TypeName,OperType))
5536 /* found this oper's opertype */
5537 ConfValue("type","host",j,Hostname,&config_f);
5538 ChangeDisplayedHost(user,Hostname);
5541 if (!strchr(user->modes,'o'))
5543 strcat(user->modes,"o");
5545 FOREACH_MOD OnOper(user);
5550 WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
5551 WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
5554 void handle_nick(char **parameters, int pcnt, userrec *user)
5558 log(DEBUG,"not enough params for handle_nick");
5563 log(DEBUG,"invalid parameter passed to handle_nick");
5566 if (!strlen(parameters[0]))
5568 log(DEBUG,"zero length new nick passed to handle_nick");
5573 log(DEBUG,"invalid user passed to handle_nick");
5578 log(DEBUG,"invalid old nick passed to handle_nick");
5581 if (!strcasecmp(user->nick,parameters[0]))
5583 log(DEBUG,"old nick is new nick, skipping");
5588 if (strlen(parameters[0]) > 1)
5590 if (parameters[0][0] == ':')
5595 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
5597 WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
5601 if (isnick(parameters[0]) == 0)
5603 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
5607 if (user->registered == 7)
5609 WriteCommon(user,"NICK %s",parameters[0]);
5611 // Q token must go to ALL servers!!!
5612 char buffer[MAXBUF];
5613 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
5614 NetSendToAll(buffer);
5618 /* change the nick of the user in the users_hash */
5619 user = ReHashNick(user->nick, parameters[0]);
5620 /* actually change the nick within the record */
5622 if (!user->nick) return;
5624 strncpy(user->nick, parameters[0],NICKMAX);
5626 log(DEBUG,"new nick set: %s",user->nick);
5628 if (user->registered < 3)
5629 user->registered = (user->registered | 2);
5630 if (user->registered == 3)
5632 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
5635 log(DEBUG,"exit nickchange: %s",user->nick);
5638 void force_nickchange(userrec* user,const char* newnick)
5647 strncpy(nick,newnick,MAXBUF);
5649 if (user->registered == 7)
5653 handle_nick(pars,1,user);
5659 int process_parameters(char **command_p,char *parameters)
5664 q = strlen(parameters);
5667 /* no parameters, command_p invalid! */
5670 if (parameters[0] == ':')
5672 command_p[0] = parameters+1;
5677 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
5679 /* only one parameter */
5680 command_p[0] = parameters;
5681 if (parameters[0] == ':')
5683 if (strchr(parameters,' ') != NULL)
5691 command_p[j++] = parameters;
5692 for (int i = 0; i <= q; i++)
5694 if (parameters[i] == ' ')
5696 command_p[j++] = parameters+i+1;
5697 parameters[i] = '\0';
5698 if (command_p[j-1][0] == ':')
5700 *command_p[j-1]++; /* remove dodgy ":" */
5702 /* parameter like this marks end of the sequence */
5706 return j; /* returns total number of items in the list */
5709 void process_command(userrec *user, char* cmd)
5713 char *command_p[127];
5714 char p[MAXBUF], temp[MAXBUF];
5715 int i, j, items, cmd_found;
5717 for (int i = 0; i < 127; i++)
5718 command_p[i] = NULL;
5728 if (!strcmp(cmd,""))
5733 int total_params = 0;
5736 for (int q = 0; q < strlen(cmd)-1; q++)
5738 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
5741 // found a 'trailing', we dont count them after this.
5749 // another phidjit bug...
5750 if (total_params > 126)
5752 kill_link(user,"Protocol violation (1)");
5758 std::string tmp = cmd;
5759 for (int i = 0; i <= MODCOUNT; i++)
5761 std::string oldtmp = tmp;
5762 modules[i]->OnServerRaw(tmp,true);
5765 log(DEBUG,"A Module changed the input string!");
5766 log(DEBUG,"New string: %s",tmp.c_str());
5767 log(DEBUG,"Old string: %s",oldtmp.c_str());
5771 strncpy(cmd,tmp.c_str(),MAXBUF);
5774 if (!strchr(cmd,' '))
5776 /* no parameters, lets skip the formalities and not chop up
5778 log(DEBUG,"About to preprocess command with no params");
5780 command_p[0] = NULL;
5782 for (int i = 0; i <= strlen(cmd); i++)
5784 cmd[i] = toupper(cmd[i]);
5786 log(DEBUG,"Preprocess done length=%d",strlen(cmd));
5793 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
5794 for (int i = 0; i < strlen(temp); i++)
5796 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
5802 /* split the full string into a command plus parameters */
5806 if (strchr(cmd,' '))
5808 for (int i = 0; i <= strlen(cmd); i++)
5810 /* capitalise the command ONLY, leave params intact */
5811 cmd[i] = toupper(cmd[i]);
5812 /* are we nearly there yet?! :P */
5816 parameters = cmd+i+1;
5824 for (int i = 0; i <= strlen(cmd); i++)
5826 cmd[i] = toupper(cmd[i]);
5833 if (strlen(command)>MAXCOMMAND)
5835 kill_link(user,"Protocol violation (2)");
5839 for (int x = 0; x < strlen(command); x++)
5841 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
5843 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
5845 if (strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
5847 kill_link(user,"Protocol violation (3)");
5854 for (int i = 0; i != cmdlist.size(); i++)
5856 if (strcmp(cmdlist[i].command,""))
5858 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
5860 log(DEBUG,"Found matching command");
5864 if (strcmp(parameters,""))
5866 items = process_parameters(command_p,parameters);
5871 command_p[0] = NULL;
5877 command_p[0] = NULL;
5882 log(DEBUG,"Processing command");
5884 /* activity resets the ping pending timer */
5885 user->nping = time(NULL) + 120;
5886 if ((items) < cmdlist[i].min_params)
5888 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
5889 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
5892 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
5894 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
5895 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
5899 /* if the command isnt USER, PASS, or NICK, and nick is empty,
5901 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
5903 if ((!isnick(user->nick)) || (user->registered != 7))
5905 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
5906 WriteServ(user->fd,"451 %s :You have not registered",command);
5910 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
5912 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
5913 if (cmdlist[i].handler_function)
5915 /* ikky /stats counters */
5920 user->bytes_in += strlen(temp);
5923 cmdlist[i].use_count++;
5924 cmdlist[i].total_bytes+=strlen(temp);
5927 /* WARNING: nothing may come after the
5928 * command handler call, as the handler
5929 * may free the user structure! */
5931 cmdlist[i].handler_function(command_p,items,user);
5937 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
5938 WriteServ(user->fd,"451 %s :You have not registered",command);
5946 if ((!cmd_found) && (user))
5948 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
5949 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
5954 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
5957 /* create the command and push it onto the table */
5958 strcpy(comm.command,cmd);
5959 comm.handler_function = f;
5960 comm.flags_needed = flags;
5961 comm.min_params = minparams;
5963 comm.total_bytes = 0;
5964 cmdlist.push_back(comm);
5965 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
5968 void SetupCommandTable(void)
5970 createcommand("USER",handle_user,0,4);
5971 createcommand("NICK",handle_nick,0,1);
5972 createcommand("QUIT",handle_quit,0,0);
5973 createcommand("VERSION",handle_version,0,0);
5974 createcommand("PING",handle_ping,0,1);
5975 createcommand("PONG",handle_pong,0,1);
5976 createcommand("ADMIN",handle_admin,0,0);
5977 createcommand("PRIVMSG",handle_privmsg,0,2);
5978 createcommand("INFO",handle_info,0,0);
5979 createcommand("TIME",handle_time,0,0);
5980 createcommand("WHOIS",handle_whois,0,1);
5981 createcommand("WALLOPS",handle_wallops,'o',1);
5982 createcommand("NOTICE",handle_notice,0,2);
5983 createcommand("JOIN",handle_join,0,1);
5984 createcommand("NAMES",handle_names,0,1);
5985 createcommand("PART",handle_part,0,1);
5986 createcommand("KICK",handle_kick,0,2);
5987 createcommand("MODE",handle_mode,0,1);
5988 createcommand("TOPIC",handle_topic,0,1);
5989 createcommand("WHO",handle_who,0,1);
5990 createcommand("MOTD",handle_motd,0,0);
5991 createcommand("RULES",handle_rules,0,0);
5992 createcommand("OPER",handle_oper,0,2);
5993 createcommand("LIST",handle_list,0,0);
5994 createcommand("DIE",handle_die,'o',1);
5995 createcommand("RESTART",handle_restart,'o',1);
5996 createcommand("KILL",handle_kill,'o',2);
5997 createcommand("REHASH",handle_rehash,'o',0);
5998 createcommand("LUSERS",handle_lusers,0,0);
5999 createcommand("STATS",handle_stats,0,1);
6000 createcommand("USERHOST",handle_userhost,0,1);
6001 createcommand("AWAY",handle_away,0,0);
6002 createcommand("ISON",handle_ison,0,0);
6003 createcommand("SUMMON",handle_summon,0,0);
6004 createcommand("USERS",handle_users,0,0);
6005 createcommand("INVITE",handle_invite,0,2);
6006 createcommand("PASS",handle_pass,0,1);
6007 createcommand("TRACE",handle_trace,'o',0);
6008 createcommand("WHOWAS",handle_whowas,0,1);
6009 createcommand("CONNECT",handle_connect,'o',1);
6010 createcommand("SQUIT",handle_squit,'o',0);
6011 createcommand("MODULES",handle_modules,'o',0);
6012 createcommand("LINKS",handle_links,0,0);
6013 createcommand("MAP",handle_map,0,0);
6016 void process_buffer(const char* cmdbuf,userrec *user)
6020 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
6027 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
6030 if (!strcmp(cmdbuf,""))
6034 strncpy(cmd,cmdbuf,MAXBUF);
6035 if (!strcmp(cmd,""))
6039 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
6041 cmd[strlen(cmd)-1] = '\0';
6043 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
6045 cmd[strlen(cmd)-1] = '\0';
6047 if (!strcmp(cmd,""))
6051 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
6053 if ((user) && (cmd))
6055 process_command(user,cmd);
6059 void DoSync(serverrec* serv, char* udp_host)
6062 // send start of sync marker: Y <timestamp>
6063 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
6064 // except the ones its receiving it from.
6065 snprintf(data,MAXBUF,"Y %d",time(NULL));
6066 serv->SendPacket(data,udp_host);
6067 // send users and channels
6068 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
6070 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);
6071 serv->SendPacket(data,udp_host);
6072 if (strcmp(chlist(u->second),""))
6074 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chlist(u->second));
6075 serv->SendPacket(data,udp_host);
6078 // send channel modes, topics etc...
6079 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
6081 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
6082 serv->SendPacket(data,udp_host);
6083 if (strcmp(c->second->topic,""))
6085 snprintf(data,MAXBUF,"T %d %s %s :%s",c->second->topicset,c->second->setby,c->second->name,c->second->topic);
6086 serv->SendPacket(data,udp_host);
6088 // send current banlist
6090 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
6092 snprintf(data,MAXBUF,"M %s +b %s",b->set_time,c->second->name,b->data);
6093 serv->SendPacket(data,udp_host);
6096 // send end of sync marker: E <timestamp>
6097 snprintf(data,MAXBUF,"F %d",time(NULL));
6098 serv->SendPacket(data,udp_host);
6099 // ircd sends its serverlist after the end of sync here
6103 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6105 char* src = strtok(params," ");
6106 char* dest = strtok(NULL," :");
6107 char* text = strtok(NULL,"\r\n");
6110 userrec* user = Find(src);
6113 userrec* dst = Find(dest);
6117 WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
6121 chanrec* d = FindChan(dest);
6124 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
6132 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6134 char* src = strtok(params," ");
6135 char* dest = strtok(NULL," :");
6136 char* text = strtok(NULL,"\r\n");
6139 userrec* user = Find(src);
6142 userrec* dst = Find(dest);
6146 WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
6150 chanrec* d = FindChan(dest);
6153 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
6160 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6162 char* nick = strtok(params," ");
6163 char* from = strtok(NULL," ");
6164 char* channel = strtok(NULL," ");
6165 userrec* u = Find(nick);
6166 userrec* user = Find(from);
6167 chanrec* c = FindChan(channel);
6168 if ((c) && (u) && (user))
6170 u->InviteTo(c->name);
6171 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
6175 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6177 char* setby = strtok(params," ");
6178 char* channel = strtok(NULL," :");
6179 char* topic = strtok(NULL,"\r\n");
6181 userrec* u = Find(setby);
6182 chanrec* c = FindChan(channel);
6185 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
6186 strncpy(c->topic,topic,MAXTOPIC);
6187 strncpy(c->setby,u->nick,NICKMAX);
6192 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6194 char* tm = strtok(params," ");
6195 char* setby = strtok(NULL," ");
6196 char* channel = strtok(NULL," :");
6197 char* topic = strtok(NULL,"\r\n");
6199 time_t TS = atoi(tm);
6200 chanrec* c = FindChan(channel);
6203 // in the case of topics and TS, the *NEWER*
6204 if (TS <= c->topicset)
6206 WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
6207 strncpy(c->topic,topic,MAXTOPIC);
6208 strncpy(c->setby,setby,NICKMAX);
6213 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6216 char original[MAXBUF],target[MAXBUF];
6217 strncpy(original,params,MAXBUF);
6219 char* parameter = strtok(params," ");
6220 strncpy(target,parameter,MAXBUF);
6223 pars[index++] = parameter;
6224 parameter = strtok(NULL," ");
6226 merge_mode(pars,index);
6227 if (FindChan(target))
6229 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
6233 WriteTo(NULL,Find(target),"MODE %s",original);
6237 // m is modes set by users only (not servers) valid targets are channels or users.
6239 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6241 // m blah #chatspike +b *!test@*4
6243 char original[MAXBUF];
6244 strncpy(original,params,MAXBUF);
6246 if (!strchr(params,' '))
6248 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
6254 char* src = strtok(params," ");
6255 userrec* user = Find(src);
6259 log(DEBUG,"Found user: %s",user->nick);
6260 char* parameter = strtok(NULL," ");
6263 pars[index++] = parameter;
6264 parameter = strtok(NULL," ");
6267 log(DEBUG,"Calling merge_mode2");
6268 merge_mode2(pars,index,user);
6273 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6275 char* nick = strtok(params," ");
6276 char* channel = strtok(NULL," :");
6277 char* reason = strtok(NULL,"\r\n");
6278 userrec* user = Find(nick);
6282 if (strcmp(reason,""))
6284 del_channel(user,channel,reason,true);
6288 del_channel(user,channel,NULL,true);
6293 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6295 char* src = strtok(params," ");
6296 char* nick = strtok(NULL," :");
6297 char* reason = strtok(NULL,"\r\n");
6298 char kreason[MAXBUF];
6301 userrec* u = Find(nick);
6302 userrec* user = Find(src);
6306 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
6307 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
6308 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
6309 kill_link(u,kreason);
6313 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6315 char* nick = strtok(params," :");
6316 char* reason = strtok(NULL,"\r\n");
6319 userrec* user = Find(nick);
6323 if (strlen(reason)>MAXQUIT)
6325 reason[MAXQUIT-1] = '\0';
6329 WriteCommonExcept(user,"QUIT :%s",reason);
6331 user_hash::iterator iter = clientlist.find(user->nick);
6333 if (iter != clientlist.end())
6335 log(DEBUG,"deleting user hash value %d",iter->second);
6336 if ((iter->second) && (user->registered == 7)) {
6337 delete iter->second;
6339 clientlist.erase(iter);
6342 purge_empty_chans();
6346 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6348 char* oldnick = strtok(params," ");
6349 char* newnick = strtok(NULL," ");
6351 userrec* user = Find(oldnick);
6355 WriteCommon(user,"NICK %s",newnick);
6356 user = ReHashNick(user->nick, newnick);
6358 if (!user->nick) return;
6359 strncpy(user->nick, newnick,NICKMAX);
6360 log(DEBUG,"new nick set: %s",user->nick);
6364 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
6365 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6367 char* src = strtok(params," ");
6368 char* dest = strtok(NULL," ");
6369 char* channel = strtok(NULL," :");
6370 char* reason = strtok(NULL,"\r\n");
6372 userrec* s = Find(src);
6373 userrec* d = Find(dest);
6374 chanrec* c = FindChan(channel);
6375 if ((s) && (d) && (c))
6377 kick_channel(s,d,c,reason);
6381 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6383 char* who = strtok(params," :");
6384 char* text = strtok(NULL,"\r\n");
6386 userrec* s = Find(who);
6389 WriteWallOps(s,true,text);
6394 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6396 char* tm = strtok(params," ");
6397 char* nick = strtok(NULL," ");
6398 char* host = strtok(NULL," ");
6399 char* dhost = strtok(NULL," ");
6400 char* ident = strtok(NULL," ");
6401 char* modes = strtok(NULL," ");
6402 char* server = strtok(NULL," :");
6403 char* gecos = strtok(NULL,"\r\n");
6406 time_t TS = atoi(tm);
6407 user_hash::iterator iter = clientlist.find(nick);
6408 if (iter != clientlist.end())
6411 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
6413 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
6414 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
6415 kill_link(iter->second,str);
6417 clientlist[nick] = new userrec();
6418 // remote users have an fd of -1. This is so that our Write abstraction
6419 // routines know to route any messages to this record away to whatever server
6421 clientlist[nick]->fd = -1;
6422 strncpy(clientlist[nick]->nick, nick,NICKMAX);
6423 strncpy(clientlist[nick]->host, host,160);
6424 strncpy(clientlist[nick]->dhost, dhost,160);
6425 strncpy(clientlist[nick]->server, server,256);
6426 strncpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
6427 strncpy(clientlist[nick]->fullname, gecos,128);
6428 clientlist[nick]->signon = TS;
6429 clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
6430 clientlist[nick]->lastping = 1;
6431 clientlist[nick]->port = 0; // so is this...
6432 clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
6433 clientlist[nick]->idle_lastmsg = time(NULL); // this is unrealiable and wont actually be used locally
6434 for (int i = 0; i < MAXCHANS; i++)
6436 clientlist[nick]->chans[i].channel = NULL;
6437 clientlist[nick]->chans[i].uc_modes = 0;
6441 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6443 long tdiff = time(NULL) - atoi(params);
6445 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
6448 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6450 char* nick = strtok(params," :");
6451 char* gecos = strtok(NULL,"\r\n");
6453 userrec* user = Find(nick);
6456 strncpy(user->fullname,gecos,MAXBUF);
6459 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6461 char* nick = strtok(params," :");
6462 char* host = strtok(NULL,"\r\n");
6464 userrec* user = Find(nick);
6467 strncpy(user->dhost,host,160);
6470 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6473 // + test3.chatspike.net 7010 -2016508415
6474 char* servername = strtok(params," ");
6475 char* ipaddr = strtok(NULL," ");
6476 char* ipport = strtok(NULL," ");
6477 char* cookie = strtok(NULL," ");
6478 log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
6481 bool conn_already = false;
6482 for (int i = 0; i < 32; i++)
6486 for (int j = 0; j < me[i]->connectors.size(); j++)
6488 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
6490 if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
6492 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
6493 conn_already = true;
6500 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
6503 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6505 char* server = strtok(params," ");
6506 char* data = strtok(NULL,"\r\n");
6507 log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
6508 NetSendToOne(server,data);
6511 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6514 // The J token currently has no timestamp - this needs looking at
6515 // because it will allow splitriding.
6516 char* nick = strtok(params," ");
6517 char* channel = strtok(NULL," ");
6518 userrec* user = Find(nick);
6521 if ((user != NULL) && (strcmp(channel,"")))
6523 char privilage = '\0';
6524 if (channel[0] != '#')
6526 privilage = channel[0];
6529 add_channel(user,channel,"",true);
6531 // now work out the privilages they should have on each channel
6532 // and send the appropriate servermodes.
6533 for (int i = 0; i != MAXCHANS; i++)
6535 if (user->chans[i].channel)
6537 if (!strcasecmp(user->chans[i].channel->name,channel))
6539 if (privilage == '@')
6541 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
6542 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
6544 if (privilage == '%')
6546 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
6547 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
6549 if (privilage == '+')
6551 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
6552 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
6559 channel = strtok(NULL," ");
6563 void NetSendMyRoutingTable()
6565 // send out a line saying what is reachable to us.
6566 // E.g. if A is linked to B C and D, send out:
6568 // if its only linked to B and D send out:
6570 // if it has no links, dont even send out the line at all.
6571 char buffer[MAXBUF];
6572 sprintf(buffer,"$ %s",ServerName);
6573 bool sendit = false;
6574 for (int i = 0; i < 32; i++)
6578 for (int j = 0; j < me[i]->connectors.size(); j++)
6580 if (me[i]->connectors[j].GetState() != STATE_DISCONNECTED)
6582 strncat(buffer," ",MAXBUF);
6583 strncat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
6590 NetSendToAll(buffer);
6593 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6595 log(DEBUG,"Storing routing table...");
6596 char* sourceserver = strtok(params," ");
6597 char* server = strtok(NULL," ");
6598 for (int i = 0; i < 32; i++)
6602 for (int j = 0; j < me[i]->connectors.size(); j++)
6604 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
6606 me[i]->connectors[j].routes.clear();
6607 log(DEBUG,"Found entry for source server.");
6611 me[i]->connectors[j].routes.push_back(server);
6612 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
6613 server = strtok(NULL," ");
6620 log(DEBUG,"Warning! routing table received from nonexistent server!");
6624 void DoSplit(const char* params)
6626 bool go_again = true;
6630 for (int i = 0; i < 32; i++)
6634 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
6636 if (!strcasecmp(j->GetServerName().c_str(),params))
6639 j->CloseConnection();
6640 me[i]->connectors.erase(j);
6648 log(DEBUG,"Removed server. Will remove clients...");
6649 // iterate through the userlist and remove all users on this server.
6650 // because we're dealing with a mesh, we dont have to deal with anything
6651 // "down-route" from this server (nice huh)
6653 char reason[MAXBUF];
6654 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
6658 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
6660 if (!strcasecmp(u->second->server,params))
6662 kill_link(u->second,reason);
6670 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6672 log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
6673 bool go_again = true;
6677 for (int i = 0; i < 32; i++)
6681 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
6683 if (!strcasecmp(j->GetServerName().c_str(),params))
6686 j->CloseConnection();
6687 me[i]->connectors.erase(j);
6695 log(DEBUG,"Removed server. Will remove clients...");
6696 // iterate through the userlist and remove all users on this server.
6697 // because we're dealing with a mesh, we dont have to deal with anything
6698 // "down-route" from this server (nice huh)
6700 char reason[MAXBUF];
6701 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
6705 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
6707 if (!strcasecmp(u->second->server,params))
6709 kill_link(u->second,reason);
6720 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,char* ipaddr,int port)
6722 char buffer[MAXBUF];
6729 nb_start = time(NULL);
6730 WriteOpers("Server %s is starting netburst.",udp_host);
6731 // now broadcast this new servers address out to all servers that are linked to us,
6732 // except the newcomer. They'll all attempt to connect back to it.
6733 authcookie = rand()*rand();
6734 snprintf(buffer,MAXBUF,"~ %d",authcookie);
6735 NetSendToAll(buffer);
6739 // once stored, this authcookie permits other servers to log in
6740 // without user or password, using it.
6742 auth_cookies.push_back(atoi(params));
6743 log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
6745 // connect back to a server using an authcookie
6747 handle_plus(token,params,source,reply,udp_host);
6751 handle_dollar(token,params,source,reply,udp_host);
6753 // node unreachable - we cant route to a server, sooooo we slit it off.
6754 // servers can generate these for themselves for an squit.
6756 handle_amp(token,params,source,reply,udp_host);
6758 // R <server> <data>
6759 // redirect token, send all of <data> along to the given
6760 // server as this server has been found to still have a route to it
6762 handle_R(token,params,source,reply,udp_host);
6767 reply->SendPacket("!",udp_host);
6777 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
6778 // introduce remote client
6780 handle_N(token,params,source,reply,udp_host);
6782 // a <NICK> :<GECOS>
6783 // change GECOS (SETNAME)
6785 handle_a(token,params,source,reply,udp_host);
6788 // change displayed host (SETHOST)
6790 handle_b(token,params,source,reply,udp_host);
6792 // t <NICK> <CHANNEL> :<TOPIC>
6793 // change a channel topic
6795 handle_t(token,params,source,reply,udp_host);
6797 // i <NICK> <CHANNEL>
6798 // invite a user to a channel
6800 handle_i(token,params,source,reply,udp_host);
6802 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
6803 // kick a user from a channel
6805 handle_k(token,params,source,reply,udp_host);
6807 // n <NICK> <NEWNICK>
6808 // change nickname of client -- a server should only be able to
6809 // change the nicknames of clients that reside on it unless
6812 handle_n(token,params,source,reply,udp_host);
6814 // J <NICK> <CHANLIST>
6815 // Join user to channel list, merge channel permissions
6817 handle_J(token,params,source,reply,udp_host);
6819 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
6820 // change channel topic (netburst only)
6822 handle_T(token,params,source,reply,udp_host);
6824 // M <TARGET> <MODES> [MODE-PARAMETERS]
6825 // Server setting modes on an object
6827 handle_M(token,params,source,reply,udp_host);
6829 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
6830 // User setting modes on an object
6832 handle_m(token,params,source,reply,udp_host);
6834 // P <SOURCE> <TARGET> :<TEXT>
6835 // Send a private/channel message
6837 handle_P(token,params,source,reply,udp_host);
6839 // V <SOURCE> <TARGET> :<TEXT>
6840 // Send a private/channel notice
6842 handle_V(token,params,source,reply,udp_host);
6844 // L <SOURCE> <CHANNEL> :<REASON>
6845 // User parting a channel
6847 handle_L(token,params,source,reply,udp_host);
6849 // Q <SOURCE> :<REASON>
6852 handle_Q(token,params,source,reply,udp_host);
6854 // K <SOURCE> <DEST> :<REASON>
6857 handle_K(token,params,source,reply,udp_host);
6859 // @ <SOURCE> :<TEXT>
6862 handle_AT(token,params,source,reply,udp_host);
6867 WriteOpers("Server %s has completed netburst. (%d secs)",udp_host,time(NULL)-nb_start);
6868 handle_F(token,params,source,reply,udp_host);
6870 // tell all the other servers to use this authcookie to connect back again
6871 // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
6872 snprintf(buffer,MAXBUF,"+ %s %s %d %d",udp_host,ipaddr,port,authcookie);
6873 NetSendToAllExcept(udp_host,buffer);
6876 // Send netburst now
6878 WriteOpers("Sending my netburst to %s",udp_host);
6879 DoSync(source,udp_host);
6880 WriteOpers("Send of netburst to %s completed",udp_host);
6881 NetSendMyRoutingTable();
6885 WriteOpers("WARNING! Unknown datagram type '%c'",token);
6891 void handle_link_packet(char* udp_msg, char* udp_host, serverrec *serv)
6893 char response[10240];
6894 char token = udp_msg[0];
6895 char* params = udp_msg + 2;
6896 char finalparam[1024];
6897 strcpy(finalparam," :xxxx");
6898 if (strstr(params," :")) {
6899 strncpy(finalparam,strstr(params," :"),1024);
6902 char* cookie = strtok(params," ");
6903 char* servername = strtok(NULL," ");
6904 char* serverdesc = finalparam+2;
6906 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,udp_host);
6908 for (int u = 0; u < auth_cookies.size(); u++)
6910 if (auth_cookies[u] == atoi(cookie))
6912 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
6915 for (int j = 0; j < 32; j++)
6919 for (int k = 0; k < me[j]->connectors.size(); k++)
6921 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
6923 me[j]->connectors[k].SetServerName(servername);
6924 NetSendMyRoutingTable();
6929 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",udp_host);
6937 // bad cookie, bad bad! go sit in the corner!
6938 WriteOpers("Bad cookie from %s!",servername);
6943 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
6944 char* servername = strtok(params," ");
6945 char* password = strtok(NULL," ");
6946 char* myport = strtok(NULL," ");
6947 char* serverdesc = finalparam+2;
6948 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,udp_host,atoi(myport));
6950 for (int j = 0; j < serv->connectors.size(); j++)
6952 if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),udp_host))
6954 serv->connectors[j].SetServerName(servername);
6955 serv->connectors[j].SetServerPort(atoi(myport));
6960 char Link_ServerName[1024];
6961 char Link_IPAddr[1024];
6962 char Link_Port[1024];
6963 char Link_Pass[1024];
6964 char Link_SendPass[1024];
6967 // search for a corresponding <link> block in the config files
6968 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
6970 ConfValue("link","name",i,Link_ServerName,&config_f);
6971 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
6972 ConfValue("link","port",i,Link_Port,&config_f);
6973 ConfValue("link","recvpass",i,Link_Pass,&config_f);
6974 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
6975 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
6976 LinkPort = atoi(Link_Port);
6977 if (!strcasecmp(Link_ServerName,servername))
6979 // we have a matching link line -
6980 // send a 'diminutive' server message back...
6981 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
6982 serv->SendPacket(response,servername);
6986 char buffer[MAXBUF];
6987 sprintf(buffer,"E :Access is denied (no matching link block)");
6988 serv->SendPacket(buffer,udp_host);
6989 WriteOpers("CONNECT from %s denied, no matching link block",servername);
6994 // S test.chatspike.net password :ChatSpike InspIRCd test server
6995 char* servername = strtok(params," ");
6996 char* password = strtok(NULL," ");
6997 char* serverdesc = finalparam+2;
6999 // TODO: we should do a check here to ensure that this server is one we recently initiated a
7000 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
7001 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
7002 // a connect, so put out an oper alert!
7007 // for now, just accept all, we'll fix that later.
7008 WriteOpers("%s accepted our link credentials ",servername);
7010 char Link_ServerName[1024];
7011 char Link_IPAddr[1024];
7012 char Link_Port[1024];
7013 char Link_Pass[1024];
7014 char Link_SendPass[1024];
7017 // search for a corresponding <link> block in the config files
7018 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
7020 ConfValue("link","name",i,Link_ServerName,&config_f);
7021 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
7022 ConfValue("link","port",i,Link_Port,&config_f);
7023 ConfValue("link","recvpass",i,Link_Pass,&config_f);
7024 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
7025 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
7026 LinkPort = atoi(Link_Port);
7027 if (!strcasecmp(Link_ServerName,servername))
7029 // matching link at this end too, we're all done!
7030 // at this point we must begin key exchange and insert this
7031 // server into our 'active' table.
7032 for (int j = 0; j < 32; j++)
7036 for (int k = 0; k < me[j]->connectors.size(); k++)
7038 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
7040 char buffer[MAXBUF];
7041 sprintf(buffer,"X 0");
7042 serv->SendPacket(buffer,udp_host);
7043 DoSync(me[j],udp_host);
7044 NetSendMyRoutingTable();
7049 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",udp_host);
7054 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
7057 char buffer[MAXBUF];
7058 sprintf(buffer,"E :Access is denied (no matching link block)");
7059 serv->SendPacket(buffer,udp_host);
7060 WriteOpers("CONNECT from %s denied, no matching link block",servername);
7065 char* error_message = finalparam+2;
7066 WriteOpers("ERROR from %s: %s",udp_host,error_message);
7067 // remove this server from any lists
7072 serverrec* source_server = NULL;
7074 for (int j = 0; j < 32; j++)
7078 for (int x = 0; x < me[j]->connectors.size(); x++)
7080 log(DEBUG,"Servers are: '%s' '%s'",udp_host,me[j]->connectors[x].GetServerName().c_str());
7081 if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),udp_host))
7083 log(DEBUG,"match! process restricted stuff here");
7084 // found a valid ircd_connector.
7085 // TODO: Fix this so it only lets servers in that are in the
7086 // STATE_CONNECTED state!!!
7087 process_restricted_commands(token,params,me[j],serv,udp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
7094 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",udp_host,token);
7098 int reap_counter = 0;
7102 struct sockaddr_in client, server;
7103 char addrs[MAXBUF][255];
7104 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
7106 int count = 0, scanDetectTrigger = TRUE, showBanner = FALSE;
7107 int selectResult = 0, selectResult2 = 0;
7108 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
7109 char resolvedHost[MAXBUF];
7113 log_file = fopen("ircd.log","a+");
7116 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
7120 log(DEBUG,"InspIRCd: startup: begin");
7124 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
7126 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
7128 SetupCommandTable();
7129 log(DEBUG,"InspIRCd: startup: default command table set up");
7132 if (strcmp(DieValue,""))
7134 printf("WARNING: %s\n\n",DieValue);
7137 log(DEBUG,"InspIRCd: startup: read config");
7139 int count2 = 0, count3 = 0;
7141 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
7143 ConfValue("bind","port",count,configToken,&config_f);
7144 ConfValue("bind","address",count,Addr,&config_f);
7145 ConfValue("bind","type",count,Type,&config_f);
7146 if (!strcmp(Type,"servers"))
7148 char Default[MAXBUF];
7149 strcpy(Default,"no");
7150 ConfValue("bind","default",count,Default,&config_f);
7151 if (strchr(Default,'y'))
7153 defaultRoute = count3;
7154 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
7156 me[count3] = new serverrec(ServerName,100L,false);
7157 me[count3]->CreateListener(Addr,atoi(configToken));
7162 ports[count2] = atoi(configToken);
7163 strcpy(addrs[count2],Addr);
7166 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
7169 UDPportCount = count3;
7171 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
7173 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
7177 /* BugFix By Craig! :p */
7179 for (count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
7181 char modfile[MAXBUF];
7182 ConfValue("module","name",count2,configToken,&config_f);
7183 sprintf(modfile,"%s/%s",MOD_PATH,configToken,&config_f);
7184 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
7185 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
7186 /* If The File Doesnt exist, Trying to load it
7187 * Will Segfault the IRCd.. So, check to see if
7188 * it Exists, Before Proceeding. */
7189 if (FileExists(modfile))
7191 factory[count] = new ircd_module(modfile);
7192 if (factory[count]->LastError())
7194 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
7195 sprintf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
7198 if (factory[count]->factory)
7200 modules[count] = factory[count]->factory->CreateModule();
7201 /* save the module and the module's classfactory, if
7202 * this isnt done, random crashes can occur :/ */
7203 module_names.push_back(modfile);
7207 log(DEBUG,"Unable to load %s",modfile);
7208 sprintf("Unable to load %s\nExiting...\n",modfile);
7211 /* Increase the Count */
7216 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
7217 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
7220 MODCOUNT = count - 1;
7221 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
7223 printf("\nInspIRCd is now running!\n");
7225 startup_time = time(NULL);
7229 log(VERBOSE,"Not forking as -nofork was specified");
7233 if (DaemonSeed() == ERROR)
7235 log(DEBUG,"InspIRCd: startup: can't daemonise");
7236 printf("ERROR: could not go into daemon mode. Shutting down.\n");
7242 /* setup select call */
7243 FD_ZERO(&selectFds);
7244 log(DEBUG,"InspIRCd: startup: zero selects");
7245 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
7247 for (count = 0; count < portCount; count++)
7249 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
7251 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
7254 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
7256 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
7258 else /* well we at least bound to one socket so we'll continue */
7264 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
7266 /* if we didn't bind to anything then abort */
7267 if (boundPortCount == 0)
7269 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
7274 length = sizeof (client);
7275 char udp_msg[MAXBUF], udp_host[MAXBUF];
7277 /* main loop, this never returns */
7285 user_hash::iterator count2 = clientlist.begin();
7287 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
7288 // them in a list, then reap the list every second or so.
7289 if (reap_counter>2500)
7291 if (fd_reap.size() > 0)
7293 for( int n = 0; n < fd_reap.size(); n++)
7295 Blocking(fd_reap[n]);
7297 NonBlocking(fd_reap[n]);
7306 FD_ZERO(&serverfds);
7309 for (int x = 0; x != UDPportCount; x++)
7311 FD_SET(me[x]->fd, &serverfds);
7317 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
7320 for (int x = 0; x != UDPportCount; x++)
7322 if (FD_ISSET (me[x]->fd, &serverfds))
7324 char remotehost[MAXBUF],resolved[MAXBUF];
7325 length = sizeof (client);
7326 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
7327 strncpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
7328 if(CleanAndResolve(resolved, remotehost) != TRUE)
7330 strncpy(resolved,remotehost,MAXBUF);
7332 // add to this connections ircd_connector vector
7333 // *FIX* - we need the LOCAL port not the remote port in &client!
7334 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
7339 for (int x = 0; x < UDPportCount; x++)
7341 std::deque<std::string> msgs;
7343 if (me[x]->RecvPacket(msgs, udp_host))
7345 for (int ctr = 0; ctr < msgs.size(); ctr++)
7347 char udp_msg[MAXBUF];
7348 strncpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
7349 if (strlen(udp_msg)<1)
7351 log(DEBUG,"Invalid string from %s [route%d]",udp_host,x);
7354 // during a netburst, send all data to all other linked servers
7355 if ((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
7357 NetSendToAllExcept(udp_host,udp_msg);
7359 FOREACH_MOD OnPacketReceive(udp_msg);
7360 handle_link_packet(udp_msg, udp_host, me[x]);
7367 while (count2 != clientlist.end())
7370 tval.tv_usec = tval.tv_sec = 0;
7372 int total_in_this_set = 0;
7374 user_hash::iterator xcount = count2;
7375 user_hash::iterator endingiter = count2;
7377 if (!count2->second) break;
7380 if (count2->second->fd != 0)
7382 // assemble up to 64 sockets into an fd_set
7383 // to implement a pooling mechanism.
7385 // This should be up to 64x faster than the
7386 // old implementation.
7387 while (total_in_this_set < 64)
7389 if (count2 != clientlist.end())
7391 // we don't check the state of remote users.
7392 if (count2->second->fd > 0)
7394 FD_SET (count2->second->fd, &sfd);
7396 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
7397 // their connection class.
7398 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
7400 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
7401 kill_link(count2->second,"Registration timeout");
7404 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
7406 if ((!count2->second->lastping) && (count2->second->registered == 7))
7408 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
7409 kill_link(count2->second,"Ping timeout");
7412 Write(count2->second->fd,"PING :%s",ServerName);
7413 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
7414 count2->second->lastping = 0;
7415 count2->second->nping = time(NULL)+120;
7419 total_in_this_set++;
7424 endingiter = count2;
7425 count2 = xcount; // roll back to where we were
7431 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
7433 // now loop through all of the items in this pool if any are waiting
7434 //if (selectResult2 > 0)
7435 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
7438 if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
7440 log(DEBUG,"Reading fd %d",count2a->second->fd);
7441 memset(data, 0, 10240);
7442 result = read(count2a->second->fd, data, 10240);
7446 log(DEBUG,"Read %d characters from socket",result);
7447 userrec* current = count2a->second;
7448 int currfd = current->fd;
7449 char* l = strtok(data,"\n");
7454 if ((floodlines > current->flood) && (current->flood != 0))
7456 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
7457 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
7458 kill_link(current,"Excess flood");
7461 char sanitized[NetBufferSize];
7462 memset(sanitized, 0, NetBufferSize);
7464 for (int pt = 0; pt < strlen(l); pt++)
7468 sanitized[ptt++] = l[pt];
7471 sanitized[ptt] = '\0';
7472 if (strlen(sanitized))
7476 // we're gonna re-scan to check if the nick is gone, after every
7477 // command - if it has, we're gonna bail
7478 bool find_again = false;
7479 process_buffer(sanitized,current);
7481 // look for the user's record in case it's changed
7482 for (user_hash::iterator c2 = clientlist.begin(); c2 != clientlist.end(); c2++)
7484 if (c2->second->fd == currfd)
7486 // found again, update pointer
7487 current == c2->second;
7496 l = strtok(NULL,"\n");
7501 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
7503 log(DEBUG,"killing: %s",count2a->second->nick);
7504 kill_link(count2a->second,strerror(errno));
7508 // result EAGAIN means nothing read
7509 if (result == EAGAIN)
7517 log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
7518 kill_link(count2a->second,"Client exited");
7519 // must bail here? kill_link removes the hash, corrupting the iterator
7520 log(DEBUG,"Bailing from client exit");
7524 else if (result > 0)
7529 for (int q = 0; q < total_in_this_set; q++)
7531 // there is no iterator += operator :(
7532 //if (count2 != clientlist.end())
7539 // set up select call
7540 for (count = 0; count < boundPortCount; count++)
7542 FD_SET (openSockfd[count], &selectFds);
7546 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
7548 /* select is reporting a waiting socket. Poll them all to find out which */
7549 if (selectResult > 0)
7551 char target[MAXBUF], resolved[MAXBUF];
7552 for (count = 0; count < boundPortCount; count++)
7554 if (FD_ISSET (openSockfd[count], &selectFds))
7556 length = sizeof (client);
7557 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
7559 address_cache::iterator iter = IP.find(client.sin_addr);
7560 bool iscached = false;
7561 if (iter == IP.end())
7563 /* ip isn't in cache, add it */
7564 strncpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
7565 if(CleanAndResolve(resolved, target) != TRUE)
7567 strncpy(resolved,target,MAXBUF);
7569 /* hostname now in 'target' */
7570 IP[client.sin_addr] = new string(resolved);
7571 /* hostname in cache */
7575 /* found ip (cached) */
7576 strncpy(resolved, iter->second->c_str(), MAXBUF);
7580 if (incomingSockfd < 0)
7582 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
7583 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
7587 AddClient(incomingSockfd, resolved, ports[count], iscached);
7588 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
7595 if(0) {}; // "Label must be followed by a statement"... so i gave it one.
7598 close (incomingSockfd);