1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
22 #include "inspircd_io.h"
23 #include "inspircd_util.h"
24 #include "inspircd_config.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
34 #include <ext/hash_map>
46 #include "connection.h"
56 #define nspace __gnu_cxx
61 int LogLevel = DEFAULT;
62 char ServerName[MAXBUF];
64 char ServerDesc[MAXBUF];
65 char AdminName[MAXBUF];
66 char AdminEmail[MAXBUF];
67 char AdminNick[MAXBUF];
69 char restartpass[MAXBUF];
73 char PrefixQuit[MAXBUF];
74 char DieValue[MAXBUF];
76 int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
77 int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
79 time_t startup_time = time(NULL);
80 int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
83 extern vector<Module*> modules;
84 std::vector<std::string> module_names;
85 extern vector<ircd_module*> factory;
86 std::vector<int> fd_reap;
94 template<> struct nspace::hash<in_addr>
96 size_t operator()(const struct in_addr &a) const
99 memcpy(&q,&a,sizeof(size_t));
104 template<> struct nspace::hash<string>
106 size_t operator()(const string &s) const
109 static struct hash<const char *> strhash;
121 bool operator()(const string& s1, const string& s2) const
123 char a[MAXBUF],b[MAXBUF];
124 strcpy(a,s1.c_str());
125 strcpy(b,s2.c_str());
126 return (strcasecmp(a,b) == 0);
131 struct InAddr_HashComp
134 bool operator()(const in_addr &s1, const in_addr &s2) const
139 memcpy(&q,&s1,sizeof(size_t));
140 memcpy(&p,&s2,sizeof(size_t));
148 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
149 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
150 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
151 typedef std::deque<command_t> command_table;
157 user_hash clientlist;
160 command_table cmdlist;
167 struct linger linger = { 0 };
168 char bannerBuffer[MAXBUF];
169 int boundPortCount = 0;
170 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
171 int defaultRoute = 0;
175 long MyKey = C.GenKey();
179 int has_channel(userrec *u, chanrec *c);
180 int usercount(chanrec *c);
181 int usercount_i(chanrec *c);
182 void update_stats_l(int fd,int data_out);
183 char* Passwd(userrec *user);
184 bool IsDenied(userrec *user);
185 void AddWhoWas(userrec* u);
187 std::vector<long> auth_cookies;
188 std::stringstream config_f(stringstream::in | stringstream::out);
190 void safedelete(userrec *p)
194 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
195 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
201 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
205 void safedelete(chanrec *p)
211 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
215 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
220 void tidystring(char* str)
222 // strips out double spaces before a : parameter
225 bool go_again = true;
232 while ((str[0] == ' ') && (strlen(str)>0))
239 bool noparse = false;
242 while (a < strlen(str))
244 if ((a<strlen(str)-1) && (noparse==false))
246 if ((str[a] == ' ') && (str[a+1] == ' '))
248 log(DEBUG,"Tidied extra space out of string: %s",str);
256 if ((str[a] == ' ') && (str[a+1] == ':'))
262 temp[t++] = str[a++];
265 strncpy(str,temp,MAXBUF);
269 /* chop a string down to 512 characters and preserve linefeed (irc max
276 log(DEBUG,"ERROR! Null string passed to chop()!");
280 FOREACH_MOD OnServerRaw(temp,false);
281 const char* str2 = temp.c_str();
282 sprintf(str,"%s",str2);
285 if (strlen(str) >= 512)
294 std::string getservername()
299 std::string getserverdesc()
304 std::string getnetworkname()
309 std::string getadminname()
314 std::string getadminemail()
319 std::string getadminnick()
324 void log(int level,char *text, ...)
326 char textbuffer[MAXBUF];
329 struct tm * timeinfo;
330 if (level < LogLevel)
334 timeinfo = localtime (&rawtime);
339 va_start (argsPtr, text);
340 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
342 strcpy(b,asctime(timeinfo));
343 b[strlen(b)-1] = ':';
344 fprintf(log_file,"%s %s\n",b,textbuffer);
347 // nofork enabled? display it on terminal too
348 printf("%s %s\n",b,textbuffer);
353 void readfile(file_cache &F, const char* fname)
356 char linebuf[MAXBUF];
358 log(DEBUG,"readfile: loading %s",fname);
360 file = fopen(fname,"r");
365 fgets(linebuf,sizeof(linebuf),file);
366 linebuf[strlen(linebuf)-1]='\0';
367 if (!strcmp(linebuf,""))
373 F.push_back(linebuf);
380 log(DEBUG,"readfile: failed to load file: %s",fname);
382 log(DEBUG,"readfile: loaded %s, %d lines",fname,F.size());
385 void ReadConfig(void)
387 char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF];
390 LoadConf(CONFIG_FILE,&config_f);
392 ConfValue("server","name",0,ServerName,&config_f);
393 ConfValue("server","description",0,ServerDesc,&config_f);
394 ConfValue("server","network",0,Network,&config_f);
395 ConfValue("admin","name",0,AdminName,&config_f);
396 ConfValue("admin","email",0,AdminEmail,&config_f);
397 ConfValue("admin","nick",0,AdminNick,&config_f);
398 ConfValue("files","motd",0,motd,&config_f);
399 ConfValue("files","rules",0,rules,&config_f);
400 ConfValue("power","diepass",0,diepass,&config_f);
401 ConfValue("power","pause",0,pauseval,&config_f);
402 ConfValue("power","restartpass",0,restartpass,&config_f);
403 ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
404 ConfValue("die","value",0,DieValue,&config_f);
405 ConfValue("options","loglevel",0,dbg,&config_f);
406 ConfValue("options","netbuffersize",0,NB,&config_f);
407 NetBufferSize = atoi(NB);
408 if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
410 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
411 NetBufferSize = 10240;
413 if (!strcmp(dbg,"debug"))
415 if (!strcmp(dbg,"verbose"))
417 if (!strcmp(dbg,"default"))
419 if (!strcmp(dbg,"sparse"))
421 if (!strcmp(dbg,"none"))
424 log(DEBUG,"Reading message of the day");
425 readfile(RULES,rules);
426 log(DEBUG,"Reading connect classes");
428 for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
431 ConfValue("connect","allow",i,Value,&config_f);
432 ConfValue("connect","timeout",i,timeout,&config_f);
433 ConfValue("connect","flood",i,flood,&config_f);
434 if (strcmp(Value,""))
436 strcpy(c.host,Value);
439 ConfValue("connect","password",i,Value,&config_f);
440 strcpy(c.pass,Value);
441 c.registration_timeout = 90; // default is 2 minutes
442 c.flood = atoi(flood);
445 c.registration_timeout = atoi(timeout);
447 Classes.push_back(c);
448 log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%d flood=%d",c.host,c.pass,c.registration_timeout,c.flood);
452 ConfValue("connect","deny",i,Value,&config_f);
453 strcpy(c.host,Value);
455 Classes.push_back(c);
456 log(DEBUG,"Read connect class type DENY, host=%s",c.host);
465 log(DEBUG,"Blocking: %d",s);
466 flags = fcntl(s, F_GETFL, 0);
467 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
470 void NonBlocking(int s)
473 log(DEBUG,"NonBlocking: %d",s);
474 flags = fcntl(s, F_GETFL, 0);
475 //fcntl(s, F_SETFL, O_NONBLOCK);
476 fcntl(s, F_SETFL, flags | O_NONBLOCK);
480 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
482 struct hostent *hostPtr = NULL;
485 memset (resolvedHost, '\0',MAXBUF);
486 if(unresolvedHost == NULL)
488 if ((inet_aton(unresolvedHost,&addr)) == 0)
490 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
492 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
494 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
498 /* write formatted text to a socket, in same format as printf */
500 void Write(int sock,char *text, ...)
504 log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
507 char textbuffer[MAXBUF];
511 va_start (argsPtr, text);
512 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
514 sprintf(tb,"%s\r\n",textbuffer);
518 write(sock,tb,strlen(tb));
519 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
523 /* write a server formatted numeric response to a single socket */
525 void WriteServ(int sock, char* text, ...)
529 log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
532 char textbuffer[MAXBUF],tb[MAXBUF];
534 va_start (argsPtr, text);
536 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
538 sprintf(tb,":%s %s\r\n",ServerName,textbuffer);
542 write(sock,tb,strlen(tb));
543 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
547 /* write text from an originating user to originating user */
549 void WriteFrom(int sock, userrec *user,char* text, ...)
551 if ((!text) || (!user))
553 log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
556 char textbuffer[MAXBUF],tb[MAXBUF];
558 va_start (argsPtr, text);
560 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
562 sprintf(tb,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
566 write(sock,tb,strlen(tb));
567 update_stats_l(sock,strlen(tb)); /* add one line-out to stats L for this fd */
571 /* write text to an destination user from a source user (e.g. user privmsg) */
573 void WriteTo(userrec *source, userrec *dest,char *data, ...)
575 if ((!dest) || (!data))
577 log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
580 char textbuffer[MAXBUF],tb[MAXBUF];
582 va_start (argsPtr, data);
583 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
587 // if no source given send it from the server.
590 WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
594 WriteFrom(dest->fd,source,"%s",textbuffer);
598 /* write formatted text from a source user to all users on a channel
599 * including the sender (NOT for privmsg, notice etc!) */
601 void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
603 if ((!Ptr) || (!user) || (!text))
605 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
608 char textbuffer[MAXBUF];
610 va_start (argsPtr, text);
611 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
613 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
615 if (has_channel(i->second,Ptr))
617 WriteTo(user,i->second,"%s",textbuffer);
622 /* write formatted text from a source user to all users on a channel
623 * including the sender (NOT for privmsg, notice etc!) doesnt send to
624 * users on remote servers */
626 void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
628 if ((!Ptr) || (!text))
630 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
633 char textbuffer[MAXBUF];
635 va_start (argsPtr, text);
636 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
638 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
640 if (has_channel(i->second,Ptr))
642 if (i->second->fd != -1)
646 WriteServ(i->second->fd,"%s",textbuffer);
650 WriteTo(user,i->second,"%s",textbuffer);
658 void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* text, ...)
660 if ((!Ptr) || (!user) || (!text))
662 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
665 char textbuffer[MAXBUF];
667 va_start (argsPtr, text);
668 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
670 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
674 if (has_channel(i->second,Ptr))
676 WriteServ(i->second->fd,"%s",textbuffer);
683 /* write formatted text from a source user to all users on a channel except
684 * for the sender (for privmsg etc) */
686 void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
688 if ((!Ptr) || (!user) || (!text))
690 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
693 char textbuffer[MAXBUF];
695 va_start (argsPtr, text);
696 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
699 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
703 if (has_channel(i->second,Ptr) && (user != i->second))
705 WriteTo(user,i->second,"%s",textbuffer);
711 int c_count(userrec* u)
714 for (int i =0; i != MAXCHANS; i++)
715 if (u->chans[i].channel != NULL)
722 std::string GetServerDescription(char* servername)
724 for (int j = 0; j < 32; j++)
728 for (int k = 0; k < me[j]->connectors.size(); k++)
730 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
732 return me[j]->connectors[k].GetDescription();
736 return ServerDesc; // not a remote server that can be found, it must be me.
741 /* return 0 or 1 depending if users u and u2 share one or more common channels
742 * (used by QUIT, NICK etc which arent channel specific notices) */
744 int common_channels(userrec *u, userrec *u2)
751 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
754 for (int i = 0; i != MAXCHANS; i++)
756 for (z = 0; z != MAXCHANS; z++)
758 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
760 if ((u->chans[i].channel == u2->chans[z].channel) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
762 if ((c_count(u)) && (c_count(u2)))
773 /* write a formatted string to all users who share at least one common
774 * channel, including the source user e.g. for use in NICK */
776 void WriteCommon(userrec *u, char* text, ...)
780 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
784 if (u->registered != 7) {
785 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
789 char textbuffer[MAXBUF];
791 va_start (argsPtr, text);
792 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
795 WriteFrom(u->fd,u,"%s",textbuffer);
797 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
801 if (common_channels(u,i->second) && (i->second != u))
803 WriteFrom(i->second->fd,u,"%s",textbuffer);
809 /* write a formatted string to all users who share at least one common
810 * channel, NOT including the source user e.g. for use in QUIT */
812 void WriteCommonExcept(userrec *u, char* text, ...)
816 log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
820 if (u->registered != 7) {
821 log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
825 char textbuffer[MAXBUF];
827 va_start (argsPtr, text);
828 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
831 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
835 if ((common_channels(u,i->second)) && (u != i->second))
837 WriteFrom(i->second->fd,u,"%s",textbuffer);
843 void WriteOpers(char* text, ...)
847 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
851 char textbuffer[MAXBUF];
853 va_start (argsPtr, text);
854 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
857 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
861 if (strchr(i->second->modes,'o'))
863 if (strchr(i->second->modes,'s'))
865 // send server notices to all with +s
866 // (TODO: needs SNOMASKs)
867 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
874 // returns TRUE of any users on channel C occupy server 'servername'.
876 bool ChanAnyOnThisServer(chanrec *c,char* servername)
878 log(DEBUG,"ChanAnyOnThisServer");
879 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
881 if (has_channel(i->second,c))
883 if (!strcasecmp(i->second->server,servername))
892 // returns true if user 'u' shares any common channels with any users on server 'servername'
894 bool CommonOnThisServer(userrec* u,const char* servername)
896 log(DEBUG,"ChanAnyOnThisServer");
897 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
899 if ((common_channels(u,i->second)) && (u != i->second))
901 if (!strcasecmp(i->second->server,servername))
903 log(DEBUG,"%s is common to %s sharing with %s",i->second->nick,servername,u->nick);
912 void NetSendToCommon(userrec* u, char* s)
915 snprintf(buffer,MAXBUF,"%s",s);
917 log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
919 for (int j = 0; j < 32; j++)
923 for (int k = 0; k < me[j]->connectors.size(); k++)
925 if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
927 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
935 void NetSendToAll(char* s)
938 snprintf(buffer,MAXBUF,"%s",s);
940 log(DEBUG,"NetSendToAll: '%s'",s);
942 for (int j = 0; j < 32; j++)
946 for (int k = 0; k < me[j]->connectors.size(); k++)
948 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
954 void NetSendToAllAlive(char* s)
957 snprintf(buffer,MAXBUF,"%s",s);
959 log(DEBUG,"NetSendToAllAlive: '%s'",s);
961 for (int j = 0; j < 32; j++)
965 for (int k = 0; k < me[j]->connectors.size(); k++)
967 if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
969 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
973 log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
981 void NetSendToOne(char* target,char* s)
984 snprintf(buffer,MAXBUF,"%s",s);
986 log(DEBUG,"NetSendToOne: '%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());
1003 void NetSendToAllExcept(const char* target,char* s)
1005 char buffer[MAXBUF];
1006 snprintf(buffer,MAXBUF,"%s",s);
1008 log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
1010 for (int j = 0; j < 32; j++)
1014 for (int k = 0; k < me[j]->connectors.size(); k++)
1016 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
1018 me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
1026 bool hasumode(userrec* user, char mode)
1030 return (strchr(user->modes,mode)>0);
1035 void WriteMode(const char* modes, int flags, const char* text, ...)
1037 if ((!text) || (!modes) || (!flags))
1039 log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
1043 char textbuffer[MAXBUF];
1045 va_start (argsPtr, text);
1046 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1049 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1053 bool send_to_user = false;
1055 if (flags == WM_AND)
1057 send_to_user = true;
1058 for (int n = 0; n < strlen(modes); n++)
1060 if (!hasumode(i->second,modes[n]))
1062 send_to_user = false;
1067 else if (flags == WM_OR)
1069 send_to_user = false;
1070 for (int n = 0; n < strlen(modes); n++)
1072 if (hasumode(i->second,modes[n]))
1074 send_to_user = true;
1082 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
1088 void ChangeName(userrec* user, const char* gecos)
1090 strncpy(user->fullname,gecos,MAXBUF);
1092 // TODO: replace these with functions:
1093 // NetSendToAll - to all
1094 // NetSendToCommon - to all that hold users sharing a common channel with another user
1095 // NetSendToOne - to one server
1096 // NetSendToAllExcept - send to all but one
1097 // all by servername
1099 char buffer[MAXBUF];
1100 snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
1101 NetSendToAll(buffer);
1104 void ChangeDisplayedHost(userrec* user, const char* host)
1106 strncpy(user->dhost,host,160);
1107 char buffer[MAXBUF];
1108 snprintf(buffer,MAXBUF,"b %s %s",user->nick,host);
1109 NetSendToAll(buffer);
1112 void WriteWallOps(userrec *source, bool local_only, char* text, ...)
1114 if ((!text) || (!source))
1116 log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
1121 char textbuffer[MAXBUF];
1123 va_start (argsPtr, text);
1124 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1127 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1131 if (strchr(i->second->modes,'w'))
1133 WriteTo(source,i->second,"WALLOPS %s",textbuffer);
1140 char buffer[MAXBUF];
1141 snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
1142 NetSendToAll(buffer);
1146 /* convert a string to lowercase. Note following special circumstances
1147 * taken from RFC 1459. Many "official" server branches still hold to this
1148 * rule so i will too;
1150 * Because of IRC's scandanavian origin, the characters {}| are
1151 * considered to be the lower case equivalents of the characters []\,
1152 * respectively. This is a critical issue when determining the
1153 * equivalence of two nicknames.
1156 void strlower(char *n)
1162 for (int i = 0; i != strlen(n); i++)
1164 n[i] = tolower(n[i]);
1174 /* verify that a user's ident and nickname is valid */
1176 int isident(const char* n)
1188 for (int i = 0; i != strlen(n); i++)
1190 if ((n[i] < 33) || (n[i] > 125))
1194 /* can't occur ANYWHERE in an Ident! */
1195 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
1204 int isnick(const char* n)
1216 if (strlen(n) > NICKMAX-1)
1220 for (int i = 0; i != strlen(n); i++)
1222 if ((n[i] < 33) || (n[i] > 125))
1226 /* can't occur ANYWHERE in a nickname! */
1227 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
1231 /* can't occur as the first char of a nickname... */
1232 if ((strchr("0123456789",n[i])) && (!i))
1240 /* Find a user record by nickname and return a pointer to it */
1242 userrec* Find(string nick)
1244 user_hash::iterator iter = clientlist.find(nick);
1246 if (iter == clientlist.end())
1247 /* Couldn't find it */
1250 return iter->second;
1253 void update_stats_l(int fd,int data_out) /* add one line-out to stats L for this fd */
1255 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1259 if (i->second->fd == fd)
1261 i->second->bytes_out+=data_out;
1262 i->second->cmds_out++;
1269 /* find a channel record by channel name and return a pointer to it */
1271 chanrec* FindChan(const char* chan)
1275 log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
1279 chan_hash::iterator iter = chanlist.find(chan);
1281 if (iter == chanlist.end())
1282 /* Couldn't find it */
1285 return iter->second;
1289 void purge_empty_chans(void)
1291 int go_again = 1, purge = 0;
1296 for (chan_hash::iterator i = chanlist.begin(); i != chanlist.end(); i++)
1299 if (!usercount(i->second))
1301 /* kill the record */
1302 if (i != chanlist.end())
1304 log(DEBUG,"del_channel: destroyed: %s",i->second->name);
1314 log(DEBUG,"skipped purge for %s",i->second->name);
1319 log(DEBUG,"completed channel purge, killed %d",purge);
1322 /* returns the status character for a given user on a channel, e.g. @ for op,
1323 * % for halfop etc. If the user has several modes set, the highest mode
1324 * the user has must be returned. */
1326 char* cmode(userrec *user, chanrec *chan)
1328 if ((!user) || (!chan))
1330 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
1335 for (int i = 0; i != MAXCHANS; i++)
1337 if ((user->chans[i].channel == chan) && (chan != NULL))
1339 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1343 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1347 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1356 char scratch[MAXBUF];
1357 char sparam[MAXBUF];
1359 char* chanmodes(chanrec *chan)
1363 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
1370 if (chan->noexternal)
1372 strncat(scratch,"n",MAXMODES);
1374 if (chan->topiclock)
1376 strncat(scratch,"t",MAXMODES);
1378 if (strcmp(chan->key,""))
1380 strncat(scratch,"k",MAXMODES);
1384 strncat(scratch,"l",MAXMODES);
1386 if (chan->inviteonly)
1388 strncat(scratch,"i",MAXMODES);
1390 if (chan->moderated)
1392 strncat(scratch,"m",MAXMODES);
1396 strncat(scratch,"s",MAXMODES);
1398 if (chan->c_private)
1400 strncat(scratch,"p",MAXMODES);
1402 if (strcmp(chan->key,""))
1404 strncat(sparam,chan->key,MAXBUF);
1409 sprintf(foo," %d",chan->limit);
1410 strncat(sparam,foo,MAXBUF);
1412 if (strlen(chan->custom_modes))
1414 strncat(scratch,chan->custom_modes,MAXMODES);
1415 for (int z = 0; z < strlen(chan->custom_modes); z++)
1417 std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
1420 strncat(sparam," ",MAXBUF);
1421 strncat(sparam,extparam.c_str(),MAXBUF);
1425 log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
1426 strncat(scratch,sparam,MAXMODES);
1430 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
1431 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
1432 * highest mode the user has must be returned. */
1434 int cstatus(userrec *user, chanrec *chan)
1436 if ((!chan) || (!user))
1438 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
1442 for (int i = 0; i != MAXCHANS; i++)
1444 if ((user->chans[i].channel == chan) && (chan != NULL))
1446 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
1450 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
1454 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
1456 return STATUS_VOICE;
1458 return STATUS_NORMAL;
1464 /* compile a userlist of a channel into a string, each nick seperated by
1465 * spaces and op, voice etc status shown as @ and + */
1467 void userlist(userrec *user,chanrec *c)
1469 if ((!c) || (!user))
1471 log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
1475 sprintf(list,"353 %s = %s :", user->nick, c->name);
1476 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1478 if (has_channel(i->second,c))
1480 if (isnick(i->second->nick))
1482 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1484 /* user is +i, and source not on the channel, does not show
1485 * nick in NAMES list */
1488 strcat(list,cmode(i->second,c));
1489 strcat(list,i->second->nick);
1491 if (strlen(list)>(480-NICKMAX))
1493 /* list overflowed into
1494 * multiple numerics */
1495 WriteServ(user->fd,list);
1496 sprintf(list,"353 %s = %s :", user->nick, c->name);
1501 /* if whats left in the list isnt empty, send it */
1502 if (list[strlen(list)-1] != ':')
1504 WriteServ(user->fd,list);
1508 /* return a count of the users on a specific channel accounting for
1509 * invisible users who won't increase the count. e.g. for /LIST */
1511 int usercount_i(chanrec *c)
1518 log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
1523 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1527 if (has_channel(i->second,c))
1529 if (isnick(i->second->nick))
1531 if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
1533 /* user is +i, and source not on the channel, does not show
1534 * nick in NAMES list */
1542 log(DEBUG,"usercount_i: %s %d",c->name,count);
1547 int usercount(chanrec *c)
1554 log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
1559 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1563 if (has_channel(i->second,c))
1565 if ((isnick(i->second->nick)) && (i->second->registered == 7))
1572 log(DEBUG,"usercount: %s %d",c->name,count);
1577 /* add a channel to a user, creating the record for it if needed and linking
1578 * it to the user record */
1580 chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
1582 if ((!user) || (!cn))
1584 log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
1593 strncpy(cname,cn,MAXBUF);
1595 // we MUST declare this wherever we use FOREACH_RESULT
1598 if (strlen(cname) > CHANMAX-1)
1600 cname[CHANMAX-1] = '\0';
1603 log(DEBUG,"add_channel: %s %s",user->nick,cname);
1605 if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
1607 return NULL; // already on the channel!
1611 if (!FindChan(cname))
1613 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
1618 /* create a new one */
1619 log(DEBUG,"add_channel: creating: %s",cname);
1621 chanlist[cname] = new chanrec();
1623 strcpy(chanlist[cname]->name, cname);
1624 chanlist[cname]->topiclock = 1;
1625 chanlist[cname]->noexternal = 1;
1626 chanlist[cname]->created = time(NULL);
1627 strcpy(chanlist[cname]->topic, "");
1628 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
1629 chanlist[cname]->topicset = 0;
1630 Ptr = chanlist[cname];
1631 log(DEBUG,"add_channel: created: %s",cname);
1632 /* set created to 2 to indicate user
1633 * is the first in the channel
1634 * and should be given ops */
1640 /* channel exists, just fish out a pointer to its struct */
1641 Ptr = FindChan(cname);
1644 log(DEBUG,"add_channel: joining to: %s",Ptr->name);
1646 // the override flag allows us to bypass channel modes
1647 // and bans (used by servers)
1650 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
1655 if (strcmp(Ptr->key,""))
1657 log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
1660 log(DEBUG,"add_channel: no key given in JOIN");
1661 WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
1666 log(DEBUG,"key at %p is %s",key,key);
1667 if (strcasecmp(key,Ptr->key))
1669 log(DEBUG,"add_channel: bad key given in JOIN");
1670 WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
1675 log(DEBUG,"add_channel: no key");
1677 if (Ptr->inviteonly)
1679 log(DEBUG,"add_channel: channel is +i");
1680 if (user->IsInvited(Ptr->name))
1682 /* user was invited to channel */
1683 /* there may be an optional channel NOTICE here */
1687 WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
1691 log(DEBUG,"add_channel: channel is not +i");
1695 if (usercount(Ptr) == Ptr->limit)
1697 WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
1702 log(DEBUG,"add_channel: about to walk banlist");
1704 /* check user against the channel banlist */
1707 if (Ptr->bans.size())
1709 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1711 if (match(user->GetFullHost(),i->data))
1713 WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
1720 log(DEBUG,"add_channel: bans checked");
1723 if ((Ptr) && (user))
1725 user->RemoveInvite(Ptr->name);
1728 log(DEBUG,"add_channel: invites removed");
1733 log(DEBUG,"Overridden checks");
1741 log(DEBUG,"Passed channel checks");
1743 for (int i =0; i != MAXCHANS; i++)
1745 log(DEBUG,"Check location %d",i);
1746 if (user->chans[i].channel == NULL)
1748 log(DEBUG,"Adding into their channel list at location %d",i);
1752 /* first user in is given ops */
1753 user->chans[i].uc_modes = UCMODE_OP;
1757 user->chans[i].uc_modes = 0;
1759 user->chans[i].channel = Ptr;
1760 WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
1762 if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
1764 // use the stamdard J token with no privilages.
1765 char buffer[MAXBUF];
1766 snprintf(buffer,MAXBUF,"J %s :%s",user->nick,Ptr->name);
1767 NetSendToAll(buffer);
1770 log(DEBUG,"Sent JOIN to client");
1774 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
1775 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
1778 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
1779 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
1780 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1781 FOREACH_MOD OnUserJoin(user,Ptr);
1785 log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
1786 WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
1790 /* remove a channel from a users record, and remove the record from memory
1791 * if the channel has become empty */
1793 chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
1795 if ((!user) || (!cname))
1797 log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
1804 if ((!cname) || (!user))
1809 Ptr = FindChan(cname);
1816 FOREACH_MOD OnUserPart(user,Ptr);
1817 log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
1819 for (int i =0; i != MAXCHANS; i++)
1821 /* zap it from the channel list of the user */
1822 if (user->chans[i].channel == Ptr)
1826 WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
1830 char buffer[MAXBUF];
1831 snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
1832 NetSendToAll(buffer);
1841 char buffer[MAXBUF];
1842 snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
1843 NetSendToAll(buffer);
1846 WriteChannel(Ptr,user,"PART :%s",Ptr->name);
1848 user->chans[i].uc_modes = 0;
1849 user->chans[i].channel = NULL;
1850 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1855 /* if there are no users left on the channel */
1856 if (!usercount(Ptr))
1858 chan_hash::iterator iter = chanlist.find(Ptr->name);
1860 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1862 /* kill the record */
1863 if (iter != chanlist.end())
1865 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1866 delete iter->second;
1867 chanlist.erase(iter);
1873 void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
1875 if ((!src) || (!user) || (!Ptr) || (!reason))
1877 log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
1884 if ((!Ptr) || (!user) || (!src))
1889 log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
1891 if (!has_channel(user,Ptr))
1893 WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
1896 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
1898 if (cstatus(src,Ptr) == STATUS_HOP)
1900 WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
1904 WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
1910 for (int i =0; i != MAXCHANS; i++)
1912 /* zap it from the channel list of the user */
1913 if (user->chans[i].channel)
1914 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
1916 WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
1917 user->chans[i].uc_modes = 0;
1918 user->chans[i].channel = NULL;
1919 log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
1924 /* if there are no users left on the channel */
1925 if (!usercount(Ptr))
1927 chan_hash::iterator iter = chanlist.find(Ptr->name);
1929 log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
1931 /* kill the record */
1932 if (iter != chanlist.end())
1934 log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
1935 delete iter->second;
1936 chanlist.erase(iter);
1942 /* returns 1 if user u has channel c in their record, 0 if not */
1944 int has_channel(userrec *u, chanrec *c)
1948 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
1951 for (int i =0; i != MAXCHANS; i++)
1953 if (u->chans[i].channel == c)
1961 int give_ops(userrec *user,char *dest,chanrec *chan,int status)
1966 if ((!user) || (!dest) || (!chan))
1968 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
1971 if (status < STATUS_OP)
1973 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
1974 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
1981 log(DEFAULT,"the target nickname given to give_ops was invalid");
1982 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1988 log(DEFAULT,"the target nickname given to give_ops couldnt be found");
1989 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
1994 for (int i = 0; i != MAXCHANS; i++)
1996 if ((d->chans[i].channel != NULL) && (chan != NULL))
1997 if (!strcasecmp(d->chans[i].channel->name,chan->name))
1999 if (d->chans[i].uc_modes & UCMODE_OP)
2001 /* mode already set on user, dont allow multiple */
2002 log(DEFAULT,"The target user given to give_ops was already opped on the channel");
2005 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
2006 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
2010 log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
2016 int give_hops(userrec *user,char *dest,chanrec *chan,int status)
2021 if ((!user) || (!dest) || (!chan))
2023 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
2026 if (status != STATUS_OP)
2028 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2036 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2041 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2046 for (int i = 0; i != MAXCHANS; i++)
2048 if ((d->chans[i].channel != NULL) && (chan != NULL))
2049 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2051 if (d->chans[i].uc_modes & UCMODE_HOP)
2053 /* mode already set on user, dont allow multiple */
2056 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
2057 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
2066 int give_voice(userrec *user,char *dest,chanrec *chan,int status)
2071 if ((!user) || (!dest) || (!chan))
2073 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
2076 if (status < STATUS_HOP)
2078 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
2086 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2091 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2096 for (int i = 0; i != MAXCHANS; i++)
2098 if ((d->chans[i].channel != NULL) && (chan != NULL))
2099 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2101 if (d->chans[i].uc_modes & UCMODE_VOICE)
2103 /* mode already set on user, dont allow multiple */
2106 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
2107 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
2116 int take_ops(userrec *user,char *dest,chanrec *chan,int status)
2121 if ((!user) || (!dest) || (!chan))
2123 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
2126 if (status < STATUS_OP)
2128 log(DEBUG,"%s cant give ops to %s because they have status %d and needs %d",user->nick,dest,status,STATUS_OP);
2129 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2137 log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
2138 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2143 log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
2144 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2149 for (int i = 0; i != MAXCHANS; i++)
2151 if ((d->chans[i].channel != NULL) && (chan != NULL))
2152 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2154 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
2156 /* mode already set on user, dont allow multiple */
2159 d->chans[i].uc_modes ^= UCMODE_OP;
2160 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
2164 log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
2170 int take_hops(userrec *user,char *dest,chanrec *chan,int status)
2175 if ((!user) || (!dest) || (!chan))
2177 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
2180 if (status != STATUS_OP)
2182 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
2190 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2195 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2200 for (int i = 0; i != MAXCHANS; i++)
2202 if ((d->chans[i].channel != NULL) && (chan != NULL))
2203 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2205 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
2207 /* mode already set on user, dont allow multiple */
2210 d->chans[i].uc_modes ^= UCMODE_HOP;
2211 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
2220 int take_voice(userrec *user,char *dest,chanrec *chan,int status)
2225 if ((!user) || (!dest) || (!chan))
2227 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
2230 if (status < STATUS_HOP)
2232 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
2240 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2245 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
2250 for (int i = 0; i != MAXCHANS; i++)
2252 if ((d->chans[i].channel != NULL) && (chan != NULL))
2253 if (!strcasecmp(d->chans[i].channel->name,chan->name))
2255 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
2257 /* mode already set on user, dont allow multiple */
2260 d->chans[i].uc_modes ^= UCMODE_VOICE;
2261 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
2270 void TidyBan(char *ban)
2273 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
2277 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
2281 char* pos_of_pling = strchr(temp,'!');
2282 char* pos_of_at = strchr(temp,'@');
2284 pos_of_pling[0] = '\0';
2285 pos_of_at[0] = '\0';
2289 strncpy(NICK,temp,NICKMAX);
2290 strncpy(IDENT,pos_of_pling,IDENTMAX+1);
2291 strncpy(HOST,pos_of_at,160);
2293 sprintf(ban,"%s!%s@%s",NICK,IDENT,HOST);
2296 int add_ban(userrec *user,char *dest,chanrec *chan,int status)
2298 if ((!user) || (!dest) || (!chan)) {
2299 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
2304 if ((!user) || (!dest) || (!chan))
2306 if (strchr(dest,'!')==0)
2308 if (strchr(dest,'@')==0)
2310 for (int i = 0; i < strlen(dest); i++)
2313 for (int i = 0; i < strlen(dest); i++)
2317 for (int i = 0; i < strlen(dest); i++)
2323 for (int i = 0; i < strlen(dest); i++)
2328 log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
2331 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2333 if (!strcasecmp(i->data,dest))
2335 // dont allow a user to set the same ban twice
2340 b.set_time = time(NULL);
2341 strncpy(b.data,dest,MAXBUF);
2342 strncpy(b.set_by,user->nick,NICKMAX);
2343 chan->bans.push_back(b);
2347 int take_ban(userrec *user,char *dest,chanrec *chan,int status)
2349 if ((!user) || (!dest) || (!chan)) {
2350 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
2354 log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
2355 for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
2357 if (!strcasecmp(i->data,dest))
2359 chan->bans.erase(i);
2366 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
2369 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
2373 char modelist[MAXBUF];
2374 char outlist[MAXBUF];
2375 char outstr[MAXBUF];
2376 char outpars[32][MAXBUF];
2382 bool k_set = false, l_set = false;
2389 log(DEBUG,"process_modes: start: parameters=%d",pcnt);
2391 strcpy(modelist,parameters[1]); /* mode list, e.g. +oo-o */
2392 /* parameters[2] onwards are parameters for
2393 * modes that require them :) */
2394 strcpy(outlist,"+");
2397 log(DEBUG,"process_modes: modelist: %s",modelist);
2399 for (ptr = 0; ptr < strlen(modelist); ptr++)
2404 log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
2405 char modechar = modelist[ptr];
2406 switch (modelist[ptr])
2411 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2413 outlist[strlen(outlist)-1] = '-';
2417 strcat(outlist,"-");
2427 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
2429 outlist[strlen(outlist)-1] = '+';
2433 strcat(outlist,"+");
2441 if ((param >= pcnt)) break;
2442 log(DEBUG,"Enough parameters left");
2445 log(DEBUG,"calling give_ops");
2446 r = give_ops(user,parameters[param++],chan,status);
2450 log(DEBUG,"calling take_ops");
2451 r = take_ops(user,parameters[param++],chan,status);
2455 strcat(outlist,"o");
2456 strcpy(outpars[pc++],parameters[param-1]);
2461 if ((param >= pcnt)) break;
2464 r = give_hops(user,parameters[param++],chan,status);
2468 r = take_hops(user,parameters[param++],chan,status);
2472 strcat(outlist,"h");
2473 strcpy(outpars[pc++],parameters[param-1]);
2479 if ((param >= pcnt)) break;
2482 r = give_voice(user,parameters[param++],chan,status);
2486 r = take_voice(user,parameters[param++],chan,status);
2490 strcat(outlist,"v");
2491 strcpy(outpars[pc++],parameters[param-1]);
2496 if ((param >= pcnt)) break;
2499 r = add_ban(user,parameters[param++],chan,status);
2503 r = take_ban(user,parameters[param++],chan,status);
2507 strcat(outlist,"b");
2508 strcpy(outpars[pc++],parameters[param-1]);
2514 if ((param >= pcnt))
2522 if (!strcmp(chan->key,""))
2524 strcat(outlist,"k");
2526 strcpy(key,parameters[param++]);
2527 if (strlen(key)>32) {
2530 strcpy(outpars[pc++],key);
2531 strcpy(chan->key,key);
2537 /* checks on -k are case sensitive and only accurate to the
2538 first 32 characters */
2540 strcpy(key,parameters[param++]);
2541 if (strlen(key)>32) {
2544 /* only allow -k if correct key given */
2545 if (!strcmp(chan->key,key))
2547 strcat(outlist,"k");
2548 strcpy(chan->key,"");
2549 strcpy(outpars[pc++],key);
2559 strcat(outlist,"l");
2564 if ((param >= pcnt)) break;
2570 bool invalid = false;
2571 for (int i = 0; i < strlen(parameters[param]); i++)
2573 if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
2578 if (atoi(parameters[param]) < 1)
2586 chan->limit = atoi(parameters[param]);
2589 strcat(outlist,"l");
2590 strcpy(outpars[pc++],parameters[param++]);
2597 if (chan->inviteonly != mdir)
2599 strcat(outlist,"i");
2601 chan->inviteonly = mdir;
2605 if (chan->topiclock != mdir)
2607 strcat(outlist,"t");
2609 chan->topiclock = mdir;
2613 if (chan->noexternal != mdir)
2615 strcat(outlist,"n");
2617 chan->noexternal = mdir;
2621 if (chan->moderated != mdir)
2623 strcat(outlist,"m");
2625 chan->moderated = mdir;
2629 if (chan->secret != mdir)
2631 strcat(outlist,"s");
2632 if (chan->c_private)
2634 chan->c_private = 0;
2637 strcat(outlist,"-p+");
2641 strcat(outlist,"+p-");
2645 chan->secret = mdir;
2649 if (chan->c_private != mdir)
2651 strcat(outlist,"p");
2657 strcat(outlist,"-s+");
2661 strcat(outlist,"+s-");
2665 chan->c_private = mdir;
2669 log(DEBUG,"Preprocessing custom mode %c",modechar);
2672 if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
2674 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
2677 if (ModeDefined(modechar,MT_CHANNEL))
2679 log(DEBUG,"A module has claimed this mode");
2682 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2684 p.push_back(parameters[param]);
2686 if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
2688 p.push_back(parameters[param]);
2691 bool handled = false;
2694 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
2695 // we're supposed to have a parameter, but none was given... so dont handle the mode.
2696 if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
2702 for (int i = 0; i <= MODCOUNT; i++)
2706 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
2708 log(DEBUG,"OnExtendedMode returned nonzero for a module");
2709 char app[] = {modechar, 0};
2712 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
2714 strcat(outlist, app);
2716 else if (!strchr(outlist,modechar))
2718 strcat(outlist, app);
2721 chan->SetCustomMode(modechar,mdir);
2722 // include parameters in output if mode has them
2723 if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
2725 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
2726 strcpy(outpars[pc++],parameters[param++]);
2728 // break, because only one module can handle the mode.
2740 /* this ensures only the *valid* modes are sent out onto the network */
2741 while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
2743 outlist[strlen(outlist)-1] = '\0';
2745 if (strcmp(outlist,""))
2747 strcpy(outstr,outlist);
2748 for (ptr = 0; ptr < pc; ptr++)
2751 strcat(outstr,outpars[ptr]);
2755 log(DEBUG,"Local mode change");
2756 WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
2764 WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
2765 // M token for a usermode must go to all servers
2766 char buffer[MAXBUF];
2767 snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
2768 NetSendToAll(buffer);
2776 WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
2777 // M token for a usermode must go to all servers
2778 char buffer[MAXBUF];
2779 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
2780 NetSendToAll(buffer);
2787 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
2789 bool allowed_umode(char umode, char* sourcemodes,bool adding)
2791 log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
2792 // RFC1459 specified modes
2793 if ((umode == 'w') || (umode == 's') || (umode == 'i'))
2795 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2799 // user may not +o themselves or others, but an oper may de-oper other opers or themselves
2800 if ((strchr(sourcemodes,'o')) && (!adding))
2802 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2805 else if (umode == 'o')
2807 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
2811 // process any module-defined modes that need oper
2812 if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
2814 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
2818 if (ModeDefined(umode,MT_CLIENT))
2820 // process any module-defined modes that don't need oper
2821 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
2822 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
2824 // no, this mode needs oper, and this user 'aint got what it takes!
2830 // anything else - return false.
2831 log(DEBUG,"umode %c not known by any ruleset",umode);
2835 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
2842 strncpy(s2->nick,ServerName,NICKMAX);
2843 strcpy(s2->modes,"o");
2850 if (ModeDefined(umode,MT_CLIENT))
2852 for (int i = 0; i <= MODCOUNT; i++)
2854 if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
2856 log(DEBUG,"Module claims umode %c",umode);
2860 log(DEBUG,"No module claims umode %c",umode);
2879 void handle_mode(char **parameters, int pcnt, userrec *user)
2885 char outpars[MAXBUF];
2887 dest = Find(parameters[0]);
2894 if ((dest) && (pcnt == 1))
2896 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
2900 if ((dest) && (pcnt > 1))
2902 char dmodes[MAXBUF];
2903 strncpy(dmodes,dest->modes,MAXBUF);
2904 log(DEBUG,"pulled up dest user modes: %s",dmodes);
2909 if (strchr(user->modes,'o'))
2920 WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
2924 strcpy(outpars,"+");
2927 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
2930 for (int i = 0; i < strlen(parameters[1]); i++)
2932 if (parameters[1][i] == '+')
2936 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2938 outpars[strlen(outpars)-1] = '+';
2942 strcat(outpars,"+");
2948 if (parameters[1][i] == '-')
2952 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
2954 outpars[strlen(outpars)-1] = '-';
2958 strcat(outpars,"-");
2966 if (strchr(user->modes,'o'))
2972 if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
2981 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2983 char umode = parameters[1][i];
2984 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2986 dmodes[strlen(dmodes)+1]='\0';
2987 dmodes[strlen(dmodes)] = parameters[1][i];
2988 outpars[strlen(outpars)+1]='\0';
2989 outpars[strlen(outpars)] = parameters[1][i];
2995 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2997 char umode = parameters[1][i];
2998 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3004 outpars[strlen(outpars)+1]='\0';
3005 outpars[strlen(outpars)] = parameters[1][i];
3008 for (q = 0; q < strlen(dmodes); q++)
3010 if (dmodes[q] != parameters[1][i])
3017 strcpy(dmodes,temp);
3024 if (strlen(outpars))
3030 while (i < strlen (outpars))
3032 b[z++] = outpars[i++];
3034 if (i<strlen(outpars)-1)
3036 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3038 // someones playing silly buggers and trying
3039 // to put a +- or -+ into the line...
3043 if (i == strlen(outpars)-1)
3045 if ((outpars[i] == '-') || (outpars[i] == '+'))
3053 if ((b[z] == '-') || (b[z] == '+'))
3056 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3059 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
3061 // M token for a usermode must go to all servers
3062 char buffer[MAXBUF];
3063 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
3064 NetSendToAll(buffer);
3066 if (strlen(dmodes)>MAXMODES)
3068 dmodes[MAXMODES-1] = '\0';
3070 log(DEBUG,"Stripped mode line");
3071 log(DEBUG,"Line dest is now %s",dmodes);
3072 strncpy(dest->modes,dmodes,MAXMODES);
3079 Ptr = FindChan(parameters[0]);
3084 /* just /modes #channel */
3085 WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
3086 WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
3092 if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
3095 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
3097 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
3099 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
3104 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
3106 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
3110 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
3114 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3121 void server_mode(char **parameters, int pcnt, userrec *user)
3127 char outpars[MAXBUF];
3129 dest = Find(parameters[0]);
3131 // fix: ChroNiCk found this - we cant use this as debug if its null!
3134 log(DEBUG,"server_mode on %s",dest->nick);
3137 if ((dest) && (pcnt > 1))
3139 log(DEBUG,"params > 1");
3141 char dmodes[MAXBUF];
3142 strncpy(dmodes,dest->modes,MAXBUF);
3144 strcpy(outpars,"+");
3147 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3150 for (int i = 0; i < strlen(parameters[1]); i++)
3152 if (parameters[1][i] == '+')
3156 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3158 outpars[strlen(outpars)-1] = '+';
3162 strcat(outpars,"+");
3168 if (parameters[1][i] == '-')
3172 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3174 outpars[strlen(outpars)-1] = '-';
3178 strcat(outpars,"-");
3185 log(DEBUG,"begin mode processing entry");
3191 log(DEBUG,"umode %c being added",parameters[1][i]);
3192 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
3194 char umode = parameters[1][i];
3195 log(DEBUG,"umode %c is an allowed umode",umode);
3196 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3198 dmodes[strlen(dmodes)+1]='\0';
3199 dmodes[strlen(dmodes)] = parameters[1][i];
3200 outpars[strlen(outpars)+1]='\0';
3201 outpars[strlen(outpars)] = parameters[1][i];
3207 // can only remove a mode they already have
3208 log(DEBUG,"umode %c being removed",parameters[1][i]);
3209 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
3211 char umode = parameters[1][i];
3212 log(DEBUG,"umode %c is an allowed umode",umode);
3213 if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3219 outpars[strlen(outpars)+1]='\0';
3220 outpars[strlen(outpars)] = parameters[1][i];
3223 for (q = 0; q < strlen(dmodes); q++)
3225 if (dmodes[q] != parameters[1][i])
3232 strcpy(dmodes,temp);
3239 if (strlen(outpars))
3245 while (i < strlen (outpars))
3247 b[z++] = outpars[i++];
3249 if (i<strlen(outpars)-1)
3251 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3253 // someones playing silly buggers and trying
3254 // to put a +- or -+ into the line...
3258 if (i == strlen(outpars)-1)
3260 if ((outpars[i] == '-') || (outpars[i] == '+'))
3268 if ((b[z] == '-') || (b[z] == '+'))
3271 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3274 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
3276 // M token for a usermode must go to all servers
3277 char buffer[MAXBUF];
3278 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
3279 NetSendToAll(buffer);
3281 if (strlen(dmodes)>MAXMODES)
3283 dmodes[MAXMODES-1] = '\0';
3285 log(DEBUG,"Stripped mode line");
3286 log(DEBUG,"Line dest is now %s",dmodes);
3287 strncpy(dest->modes,dmodes,MAXMODES);
3294 Ptr = FindChan(parameters[0]);
3297 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
3301 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3307 void merge_mode(char **parameters, int pcnt)
3313 char outpars[MAXBUF];
3315 dest = Find(parameters[0]);
3317 // fix: ChroNiCk found this - we cant use this as debug if its null!
3320 log(DEBUG,"merge_mode on %s",dest->nick);
3323 if ((dest) && (pcnt > 1))
3325 log(DEBUG,"params > 1");
3327 char dmodes[MAXBUF];
3328 strncpy(dmodes,dest->modes,MAXBUF);
3330 strcpy(outpars,"+");
3333 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3336 for (int i = 0; i < strlen(parameters[1]); i++)
3338 if (parameters[1][i] == '+')
3342 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3344 outpars[strlen(outpars)-1] = '+';
3348 strcat(outpars,"+");
3354 if (parameters[1][i] == '-')
3358 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3360 outpars[strlen(outpars)-1] = '-';
3364 strcat(outpars,"-");
3371 log(DEBUG,"begin mode processing entry");
3377 log(DEBUG,"umode %c being added",parameters[1][i]);
3378 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
3380 char umode = parameters[1][i];
3381 log(DEBUG,"umode %c is an allowed umode",umode);
3382 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3384 dmodes[strlen(dmodes)+1]='\0';
3385 dmodes[strlen(dmodes)] = parameters[1][i];
3386 outpars[strlen(outpars)+1]='\0';
3387 outpars[strlen(outpars)] = parameters[1][i];
3393 // can only remove a mode they already have
3394 log(DEBUG,"umode %c being removed",parameters[1][i]);
3395 if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
3397 char umode = parameters[1][i];
3398 log(DEBUG,"umode %c is an allowed umode",umode);
3399 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3405 outpars[strlen(outpars)+1]='\0';
3406 outpars[strlen(outpars)] = parameters[1][i];
3409 for (q = 0; q < strlen(dmodes); q++)
3411 if (dmodes[q] != parameters[1][i])
3418 strcpy(dmodes,temp);
3425 if (strlen(outpars))
3431 while (i < strlen (outpars))
3433 b[z++] = outpars[i++];
3435 if (i<strlen(outpars)-1)
3437 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3439 // someones playing silly buggers and trying
3440 // to put a +- or -+ into the line...
3444 if (i == strlen(outpars)-1)
3446 if ((outpars[i] == '-') || (outpars[i] == '+'))
3454 if ((b[z] == '-') || (b[z] == '+'))
3457 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3460 if (strlen(dmodes)>MAXMODES)
3462 dmodes[MAXMODES-1] = '\0';
3464 log(DEBUG,"Stripped mode line");
3465 log(DEBUG,"Line dest is now %s",dmodes);
3466 strncpy(dest->modes,dmodes,MAXMODES);
3473 Ptr = FindChan(parameters[0]);
3477 strncpy(s2.nick,ServerName,NICKMAX);
3478 strcpy(s2.modes,"o");
3480 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
3485 void merge_mode2(char **parameters, int pcnt, userrec* user)
3491 char outpars[MAXBUF];
3493 dest = Find(parameters[0]);
3495 // fix: ChroNiCk found this - we cant use this as debug if its null!
3498 log(DEBUG,"merge_mode on %s",dest->nick);
3501 if ((dest) && (pcnt > 1))
3503 log(DEBUG,"params > 1");
3505 char dmodes[MAXBUF];
3506 strncpy(dmodes,dest->modes,MAXBUF);
3508 strcpy(outpars,"+");
3511 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
3514 for (int i = 0; i < strlen(parameters[1]); i++)
3516 if (parameters[1][i] == '+')
3520 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3522 outpars[strlen(outpars)-1] = '+';
3526 strcat(outpars,"+");
3532 if (parameters[1][i] == '-')
3536 if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
3538 outpars[strlen(outpars)-1] = '-';
3542 strcat(outpars,"-");
3549 log(DEBUG,"begin mode processing entry");
3555 log(DEBUG,"umode %c being added",parameters[1][i]);
3556 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
3558 char umode = parameters[1][i];
3559 log(DEBUG,"umode %c is an allowed umode",umode);
3560 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3562 dmodes[strlen(dmodes)+1]='\0';
3563 dmodes[strlen(dmodes)] = parameters[1][i];
3564 outpars[strlen(outpars)+1]='\0';
3565 outpars[strlen(outpars)] = parameters[1][i];
3571 // can only remove a mode they already have
3572 log(DEBUG,"umode %c being removed",parameters[1][i]);
3573 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
3575 char umode = parameters[1][i];
3576 log(DEBUG,"umode %c is an allowed umode",umode);
3577 if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
3583 outpars[strlen(outpars)+1]='\0';
3584 outpars[strlen(outpars)] = parameters[1][i];
3587 for (q = 0; q < strlen(dmodes); q++)
3589 if (dmodes[q] != parameters[1][i])
3596 strcpy(dmodes,temp);
3603 if (strlen(outpars))
3609 while (i < strlen (outpars))
3611 b[z++] = outpars[i++];
3613 if (i<strlen(outpars)-1)
3615 if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
3617 // someones playing silly buggers and trying
3618 // to put a +- or -+ into the line...
3622 if (i == strlen(outpars)-1)
3624 if ((outpars[i] == '-') || (outpars[i] == '+'))
3632 if ((b[z] == '-') || (b[z] == '+'))
3635 if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
3638 WriteTo(user,dest,"MODE :%s",b);
3640 if (strlen(dmodes)>MAXMODES)
3642 dmodes[MAXMODES-1] = '\0';
3644 log(DEBUG,"Stripped mode line");
3645 log(DEBUG,"Line dest is now %s",dmodes);
3646 strncpy(dest->modes,dmodes,MAXMODES);
3653 Ptr = FindChan(parameters[0]);
3656 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
3661 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
3667 /* This function pokes and hacks at a parameter list like the following:
3669 * PART #winbot, #darkgalaxy :m00!
3671 * to turn it into a series of individual calls like this:
3673 * PART #winbot :m00!
3674 * PART #darkgalaxy :m00!
3676 * The seperate calls are sent to a callback function provided by the caller
3677 * (the caller will usually call itself recursively). The callback function
3678 * must be a command handler. Calling this function on a line with no list causes
3679 * no action to be taken. You must provide a starting and ending parameter number
3680 * where the range of the list can be found, useful if you have a terminating
3681 * parameter as above which is actually not part of the list, or parameters
3682 * before the actual list as well. This code is used by many functions which
3683 * can function as "one to list" (see the RFC) */
3685 int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
3690 char blog[32][MAXBUF];
3691 char blog2[32][MAXBUF];
3692 int i = 0, j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
3693 char keystr[MAXBUF];
3696 for (int i = 0; i <32; i++)
3699 for (int i = 0; i <32; i++)
3700 strcpy(blog2[i],"");
3703 for (int i = 0; i <10; i++)
3707 parameters[i] = moo;
3712 if (pcnt > 1) /* we have a key to copy */
3714 strcpy(keystr,parameters[1]);
3718 if (!parameters[start])
3722 if (!strchr(parameters[start],','))
3727 for (int i = start; i <= end; i++)
3731 strcat(plist,parameters[i]);
3739 for (int i = 0; i < t; i++)
3741 if (plist[i] == ',')
3744 strcpy(blog[j++],param);
3748 WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
3753 strcpy(blog[j++],param);
3756 if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
3761 if ((joins) && (keystr))
3763 if (strchr(keystr,','))
3767 t2 = strlen(keystr);
3768 for (int i = 0; i < t2; i++)
3770 if (keystr[i] == ',')
3773 strcpy(blog2[j++],param);
3777 strcpy(blog2[j++],param);
3782 for (j = 0; j < total; j++)
3788 for (q = end; q < pcnt-1; q++)
3790 if (parameters[q+1])
3792 pars[q-end+1] = parameters[q+1];
3795 if ((joins) && (parameters[1]))
3806 /* repeatedly call the function with the hacked parameter list */
3807 if ((joins) && (pcnt > 1))
3811 // pars[1] already set up and containing key from blog2[j]
3816 pars[1] = parameters[1];
3822 fn(pars,pcnt-(end-start),u);
3830 void handle_join(char **parameters, int pcnt, userrec *user)
3835 if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
3837 if (parameters[0][0] == '#')
3839 Ptr = add_channel(user,parameters[0],parameters[1],false);
3844 void handle_part(char **parameters, int pcnt, userrec *user)
3850 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
3852 del_channel(user,parameters[0],parameters[1],false);
3856 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
3858 del_channel(user,parameters[0],NULL,false);
3862 void handle_kick(char **parameters, int pcnt, userrec *user)
3864 chanrec* Ptr = FindChan(parameters[0]);
3865 userrec* u = Find(parameters[1]);
3869 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
3873 if (!has_channel(u,Ptr))
3875 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
3879 char reason[MAXBUF];
3883 strncpy(reason,parameters[2],MAXBUF);
3884 if (strlen(reason)>MAXKICK)
3886 reason[MAXKICK-1] = '\0';
3889 kick_channel(user,u,Ptr,reason);
3893 strcpy(reason,user->nick);
3894 kick_channel(user,u,Ptr,reason);
3897 // this must be propogated so that channel membership is kept in step network-wide
3899 char buffer[MAXBUF];
3900 snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
3901 NetSendToAll(buffer);
3905 void handle_die(char **parameters, int pcnt, userrec *user)
3907 log(DEBUG,"die: %s",user->nick);
3908 if (!strcmp(parameters[0],diepass))
3910 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
3916 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
3920 void handle_restart(char **parameters, int pcnt, userrec *user)
3922 log(DEBUG,"restart: %s",user->nick);
3923 if (!strcmp(parameters[0],restartpass))
3925 WriteOpers("*** RESTART command from %s!%s@%s, Pretending to restart till this is finished :D",user->nick,user->ident,user->host);
3928 /* Will finish this later when i can be arsed :) */
3932 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
3937 void kill_link(userrec *user,const char* r)
3939 user_hash::iterator iter = clientlist.find(user->nick);
3941 char reason[MAXBUF];
3943 strncpy(reason,r,MAXBUF);
3945 if (strlen(reason)>MAXQUIT)
3947 reason[MAXQUIT-1] = '\0';
3950 log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
3951 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
3952 log(DEBUG,"closing fd %d",user->fd);
3954 /* bugfix, cant close() a nonblocking socket (sux!) */
3955 if (user->registered == 7) {
3956 FOREACH_MOD OnUserQuit(user);
3957 WriteCommonExcept(user,"QUIT :%s",reason);
3959 // Q token must go to ALL servers!!!
3960 char buffer[MAXBUF];
3961 snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
3962 NetSendToAll(buffer);
3965 /* push the socket on a stack of sockets due to be closed at the next opportunity
3966 * 'Client exited' is an exception to this as it means the client side has already
3967 * closed the socket, we don't need to do it.
3969 fd_reap.push_back(user->fd);
3971 bool do_purge = false;
3973 if (user->registered == 7) {
3974 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
3978 if (iter != clientlist.end())
3980 log(DEBUG,"deleting user hash value %d",iter->second);
3981 if ((iter->second) && (user->registered == 7)) {
3982 delete iter->second;
3984 clientlist.erase(iter);
3987 if (user->registered == 7) {
3988 purge_empty_chans();
3993 void handle_kill(char **parameters, int pcnt, userrec *user)
3995 userrec *u = Find(parameters[0]);
3996 char killreason[MAXBUF];
3998 log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
4001 if (strcmp(ServerName,u->server))
4004 WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
4005 sprintf(killreason,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
4006 WriteCommonExcept(u,"QUIT :%s",killreason);
4007 // K token must go to ALL servers!!!
4008 char buffer[MAXBUF];
4009 snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
4010 NetSendToAll(buffer);
4012 user_hash::iterator iter = clientlist.find(u->nick);
4013 if (iter != clientlist.end())
4015 log(DEBUG,"deleting user hash value %d",iter->second);
4016 if ((iter->second) && (user->registered == 7)) {
4017 delete iter->second;
4019 clientlist.erase(iter);
4021 purge_empty_chans();
4026 WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
4027 WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
4028 sprintf(killreason,"Killed (%s (%s))",user->nick,parameters[1]);
4029 kill_link(u,killreason);
4034 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4038 void handle_summon(char **parameters, int pcnt, userrec *user)
4040 WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
4043 void handle_users(char **parameters, int pcnt, userrec *user)
4045 WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
4049 // looks up a users password for their connection class (<ALLOW>/<DENY> tags)
4051 char* Passwd(userrec *user)
4053 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4055 if (match(user->host,i->host) && (i->type == CC_ALLOW))
4063 bool IsDenied(userrec *user)
4065 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4067 if (match(user->host,i->host) && (i->type == CC_DENY))
4077 void handle_pass(char **parameters, int pcnt, userrec *user)
4079 // Check to make sure they havnt registered -- Fix by FCS
4080 if (user->registered == 7)
4082 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
4085 if (!strcasecmp(parameters[0],Passwd(user)))
4087 user->haspassed = true;
4091 void handle_invite(char **parameters, int pcnt, userrec *user)
4093 userrec* u = Find(parameters[0]);
4094 chanrec* c = FindChan(parameters[1]);
4100 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
4106 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
4115 if (cstatus(user,c) < STATUS_HOP)
4117 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
4121 if (has_channel(u,c))
4123 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
4126 if (!has_channel(user,c))
4128 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
4131 u->InviteTo(c->name);
4132 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
4133 WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
4135 // i token must go to ALL servers!!!
4136 char buffer[MAXBUF];
4137 snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
4138 NetSendToAll(buffer);
4141 void handle_topic(char **parameters, int pcnt, userrec *user)
4147 if (strlen(parameters[0]) <= CHANMAX)
4149 Ptr = FindChan(parameters[0]);
4154 WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
4155 WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
4159 WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
4164 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4171 if (strlen(parameters[0]) <= CHANMAX)
4173 Ptr = FindChan(parameters[0]);
4176 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
4178 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
4183 strncpy(topic,parameters[1],MAXBUF);
4184 if (strlen(topic)>MAXTOPIC)
4186 topic[MAXTOPIC-1] = '\0';
4189 strcpy(Ptr->topic,topic);
4190 strcpy(Ptr->setby,user->nick);
4191 Ptr->topicset = time(NULL);
4192 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
4194 // t token must go to ALL servers!!!
4195 char buffer[MAXBUF];
4196 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
4197 NetSendToAll(buffer);
4201 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4207 /* sends out an error notice to all connected clients (not to be used
4210 void send_error(char *s)
4212 log(DEBUG,"send_error: %s",s);
4213 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4215 if (isnick(i->second->nick))
4217 WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
4221 // fix - unregistered connections receive ERROR, not NOTICE
4222 Write(i->second->fd,"ERROR :%s",s);
4227 void Error(int status)
4229 signal (SIGALRM, SIG_IGN);
4230 signal (SIGPIPE, SIG_IGN);
4231 signal (SIGTERM, SIG_IGN);
4232 signal (SIGABRT, SIG_IGN);
4233 signal (SIGSEGV, SIG_IGN);
4234 signal (SIGURG, SIG_IGN);
4235 signal (SIGKILL, SIG_IGN);
4236 log(DEBUG,"*** fell down a pothole in the road to perfection ***");
4237 send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
4242 int main(int argc, char *argv[])
4246 log(DEBUG,"*** InspIRCd starting up!");
4247 if (!FileExists(CONFIG_FILE))
4249 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
4250 log(DEBUG,"main: no config");
4251 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
4255 if (!strcmp(argv[1],"-nofork")) {
4259 if (InspIRCd() == ERROR)
4261 log(DEBUG,"main: daemon function bailed");
4262 printf("ERROR: could not initialise. Shutting down.\n");
4269 template<typename T> inline string ConvToStr(const T &in)
4272 if (!(tmp << in)) return string();
4276 /* re-allocates a nick in the user_hash after they change nicknames,
4277 * returns a pointer to the new user as it may have moved */
4279 userrec* ReHashNick(char* Old, char* New)
4281 user_hash::iterator newnick;
4282 user_hash::iterator oldnick = clientlist.find(Old);
4284 log(DEBUG,"ReHashNick: %s %s",Old,New);
4286 if (!strcasecmp(Old,New))
4288 log(DEBUG,"old nick is new nick, skipping");
4289 return oldnick->second;
4292 if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
4294 log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
4296 clientlist[New] = new userrec();
4297 clientlist[New] = oldnick->second;
4298 /*delete oldnick->second; */
4299 clientlist.erase(oldnick);
4301 log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
4303 return clientlist[New];
4306 /* adds or updates an entry in the whowas list */
4307 void AddWhoWas(userrec* u)
4309 user_hash::iterator iter = whowas.find(u->nick);
4310 userrec *a = new userrec();
4311 strcpy(a->nick,u->nick);
4312 strcpy(a->ident,u->ident);
4313 strcpy(a->dhost,u->dhost);
4314 strcpy(a->host,u->host);
4315 strcpy(a->fullname,u->fullname);
4316 strcpy(a->server,u->server);
4317 a->signon = u->signon;
4319 /* MAX_WHOWAS: max number of /WHOWAS items
4320 * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
4321 * can be replaced by a newer one
4324 if (iter == whowas.end())
4326 if (whowas.size() == WHOWAS_MAX)
4328 for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
4330 // 3600 seconds in an hour ;)
4331 if ((i->second->signon)<(time(NULL)-(WHOWAS_STALE*3600)))
4335 log(DEBUG,"added WHOWAS entry, purged an old record");
4342 log(DEBUG,"added fresh WHOWAS entry");
4343 whowas[a->nick] = a;
4348 log(DEBUG,"updated WHOWAS entry");
4349 delete iter->second;
4355 /* add a client connection to the sockets list */
4356 void AddClient(int socket, char* host, int port, bool iscached)
4360 char resolved[MAXBUF];
4363 user_hash::iterator iter;
4365 tempnick = ConvToStr(socket) + "-unknown";
4366 sprintf(tn2,"%d-unknown",socket);
4368 iter = clientlist.find(tempnick);
4370 if (iter != clientlist.end()) return;
4373 * It is OK to access the value here this way since we know
4374 * it exists, we just created it above.
4376 * At NO other time should you access a value in a map or a
4377 * hash_map this way.
4379 clientlist[tempnick] = new userrec();
4381 NonBlocking(socket);
4382 log(DEBUG,"AddClient: %d %s %d",socket,host,port);
4384 clientlist[tempnick]->fd = socket;
4385 strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
4386 strncpy(clientlist[tempnick]->host, host,160);
4387 strncpy(clientlist[tempnick]->dhost, host,160);
4388 strncpy(clientlist[tempnick]->server, ServerName,256);
4389 strncpy(clientlist[tempnick]->ident, "unknown",9);
4390 clientlist[tempnick]->registered = 0;
4391 clientlist[tempnick]->signon = time(NULL);
4392 clientlist[tempnick]->nping = time(NULL)+240;
4393 clientlist[tempnick]->lastping = 1;
4394 clientlist[tempnick]->port = port;
4398 WriteServ(socket,"NOTICE Auth :Found your hostname (cached)...");
4402 WriteServ(socket,"NOTICE Auth :Looking up your hostname...");
4405 // set the registration timeout for this user
4406 unsigned long class_regtimeout = 90;
4407 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4409 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
4411 class_regtimeout = (unsigned long)i->registration_timeout;
4416 int class_flood = 0;
4417 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
4419 if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
4421 class_flood = i->flood;
4426 clientlist[tempnick]->timeout = time(NULL)+class_regtimeout;
4427 clientlist[tempnick]->flood = class_flood;
4429 for (int i = 0; i < MAXCHANS; i++)
4431 clientlist[tempnick]->chans[i].channel = NULL;
4432 clientlist[tempnick]->chans[i].uc_modes = 0;
4435 if (clientlist.size() == MAXCLIENTS)
4436 kill_link(clientlist[tempnick],"No more connections allowed in this class");
4439 void handle_names(char **parameters, int pcnt, userrec *user)
4443 if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
4445 c = FindChan(parameters[0]);
4448 /*WriteServ(user->fd,"353 %s = %s :%s", user->nick, c->name,*/
4450 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
4454 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4458 void handle_privmsg(char **parameters, int pcnt, userrec *user)
4463 user->idle_lastmsg = time(NULL);
4465 if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
4467 if (parameters[0][0] == '#')
4469 chan = FindChan(parameters[0]);
4472 if ((chan->noexternal) && (!has_channel(user,chan)))
4474 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
4477 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
4479 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
4485 FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
4490 ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
4492 // if any users of this channel are on remote servers, broadcast the packet
4493 char buffer[MAXBUF];
4494 snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
4495 NetSendToCommon(user,buffer);
4499 /* no such nick/channel */
4500 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4505 dest = Find(parameters[0]);
4508 if (strcmp(dest->awaymsg,""))
4510 /* auto respond with aweh msg */
4511 WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
4516 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,std::string(parameters[1])));
4523 if (!strcmp(dest->server,user->server))
4525 // direct write, same server
4526 WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
4530 char buffer[MAXBUF];
4531 snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
4532 NetSendToOne(dest->server,buffer);
4537 /* no such nick/channel */
4538 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4542 void handle_notice(char **parameters, int pcnt, userrec *user)
4547 user->idle_lastmsg = time(NULL);
4549 if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
4551 if (parameters[0][0] == '#')
4553 chan = FindChan(parameters[0]);
4556 if ((chan->noexternal) && (!has_channel(user,chan)))
4558 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
4561 if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
4563 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
4569 FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,std::string(parameters[1])));
4574 ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
4576 // if any users of this channel are on remote servers, broadcast the packet
4577 char buffer[MAXBUF];
4578 snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
4579 NetSendToCommon(user,buffer);
4583 /* no such nick/channel */
4584 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4589 dest = Find(parameters[0]);
4594 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,std::string(parameters[1])));
4599 if (!strcmp(dest->server,user->server))
4601 // direct write, same server
4602 WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
4606 char buffer[MAXBUF];
4607 snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
4608 NetSendToOne(dest->server,buffer);
4613 /* no such nick/channel */
4614 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4620 char* chlist(userrec *user)
4625 log(DEBUG,"chlist: %s",user->nick);
4631 for (int i = 0; i != MAXCHANS; i++)
4633 if (user->chans[i].channel != NULL)
4635 if (user->chans[i].channel->name)
4637 strcpy(cmp,user->chans[i].channel->name);
4639 if (!strstr(lst,cmp))
4641 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
4643 strcat(lst,cmode(user,user->chans[i].channel));
4644 strcat(lst,user->chans[i].channel->name);
4653 lst[strlen(lst)-1] = '\0'; // chop trailing space
4658 void handle_info(char **parameters, int pcnt, userrec *user)
4660 WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
4661 WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
4662 WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
4663 FOREACH_MOD OnInfo(user);
4664 WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
4667 void handle_time(char **parameters, int pcnt, userrec *user)
4670 struct tm * timeinfo;
4673 timeinfo = localtime ( &rawtime );
4674 WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
4678 void handle_whois(char **parameters, int pcnt, userrec *user)
4683 if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
4685 dest = Find(parameters[0]);
4688 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
4689 if (dest->registered == 7)
4691 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
4692 if ((user == dest) || (strchr(user->modes,'o')))
4694 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
4696 if (strcmp(chlist(dest),""))
4698 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
4700 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
4701 if (strcmp(dest->awaymsg,""))
4703 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
4705 if (strchr(dest->modes,'o'))
4707 WriteServ(user->fd,"313 %s %s :is an IRC operator",user->nick, dest->nick);
4709 FOREACH_MOD OnWhois(user,dest);
4710 if (!strcasecmp(user->server,dest->server))
4712 // idle time and signon line can only be sent if youre on the same server (according to RFC)
4713 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-time(NULL)), dest->signon);
4716 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
4720 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4725 /* no such nick/channel */
4726 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4730 void send_network_quit(const char* nick, const char* reason)
4732 char buffer[MAXBUF];
4733 snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
4734 NetSendToAll(buffer);
4737 void handle_quit(char **parameters, int pcnt, userrec *user)
4739 user_hash::iterator iter = clientlist.find(user->nick);
4742 if (user->registered == 7)
4744 /* theres more to do here, but for now just close the socket */
4747 if (parameters[0][0] == ':')
4751 reason = parameters[0];
4753 if (strlen(reason)>MAXQUIT)
4755 reason[MAXQUIT-1] = '\0';
4758 Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
4759 WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
4760 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
4762 char buffer[MAXBUF];
4763 snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
4764 NetSendToAll(buffer);
4768 Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
4769 WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
4770 WriteCommonExcept(user,"QUIT :Client exited");
4772 char buffer[MAXBUF];
4773 snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
4774 NetSendToAll(buffer);
4776 FOREACH_MOD OnUserQuit(user);
4780 /* push the socket on a stack of sockets due to be closed at the next opportunity */
4781 fd_reap.push_back(user->fd);
4783 if (iter != clientlist.end())
4785 clientlist.erase(iter);
4786 log(DEBUG,"deleting user hash value %d",iter->second);
4787 //if ((user) && (user->registered == 7)) {
4792 if (user->registered == 7) {
4793 purge_empty_chans();
4797 void handle_who(char **parameters, int pcnt, userrec *user)
4799 chanrec* Ptr = NULL;
4801 /* theres more to do here, but for now just close the socket */
4804 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
4806 if (user->chans[0].channel)
4808 Ptr = user->chans[0].channel;
4809 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4811 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
4813 WriteServ(user->fd,"352 %s %s %s %s %s %s Hr@ :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, i->second->fullname);
4819 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4823 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, user->nick);
4827 if (parameters[0][0] == '#')
4829 Ptr = FindChan(parameters[0]);
4832 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4834 if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
4836 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);
4839 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4843 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
4848 userrec* u = Find(parameters[0]);
4849 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);
4854 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
4856 Ptr = user->chans[0].channel;
4857 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4859 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
4861 if (strchr(i->second->modes,'o'))
4863 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);
4867 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, Ptr->name);
4873 void handle_wallops(char **parameters, int pcnt, userrec *user)
4875 WriteWallOps(user,false,"%s",parameters[0]);
4878 void handle_list(char **parameters, int pcnt, userrec *user)
4882 WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
4883 for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
4885 if ((!i->second->c_private) && (!i->second->secret))
4887 WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
4890 WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
4894 void handle_rehash(char **parameters, int pcnt, userrec *user)
4896 WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
4898 FOREACH_MOD OnRehash();
4899 WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
4905 return clientlist.size();
4909 int usercount_invisible(void)
4913 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4915 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
4920 int usercount_opers(void)
4924 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4926 if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
4931 int usercount_unknown(void)
4935 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4937 if ((i->second->fd) && (i->second->registered != 7))
4943 long chancount(void)
4945 return chanlist.size();
4948 long count_servs(void)
4951 //for (int j = 0; j < 255; j++)
4953 // if (servers[j] != NULL)
4959 long servercount(void)
4961 return count_servs()+1;
4967 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
4969 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
4975 void handle_lusers(char **parameters, int pcnt, userrec *user)
4977 WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
4978 WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
4979 WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
4980 WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
4981 WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
4984 void handle_admin(char **parameters, int pcnt, userrec *user)
4986 WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
4987 WriteServ(user->fd,"257 %s :Name - %s",user->nick,AdminName);
4988 WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
4989 WriteServ(user->fd,"258 %s :E-Mail - %s",user->nick,AdminEmail);
4992 void ShowMOTD(userrec *user)
4996 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
4999 WriteServ(user->fd,"375 %s :- %s message of the day",user->nick,ServerName);
5000 for (int i = 0; i != MOTD.size(); i++)
5002 WriteServ(user->fd,"372 %s :- %s",user->nick,MOTD[i].c_str());
5004 WriteServ(user->fd,"376 %s :End of %s message of the day.",user->nick,ServerName);
5007 void ShowRULES(userrec *user)
5011 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
5014 WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
5015 for (int i = 0; i != RULES.size(); i++)
5017 WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
5019 WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
5022 /* shows the message of the day, and any other on-logon stuff */
5023 void ConnectUser(userrec *user)
5025 user->registered = 7;
5026 user->idle_lastmsg = time(NULL);
5027 log(DEBUG,"ConnectUser: %s",user->nick);
5029 if (strcmp(Passwd(user),"") && (!user->haspassed))
5031 kill_link(user,"Invalid password");
5036 kill_link(user,"Unauthorised connection");
5040 WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
5041 WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
5042 WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
5043 WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
5044 WriteServ(user->fd,"004 %s :%s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
5045 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);
5046 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);
5048 FOREACH_MOD OnUserConnect(user);
5049 WriteOpers("*** Client connecting on port %d: %s!%s@%s",user->port,user->nick,user->ident,user->host);
5051 char buffer[MAXBUF];
5052 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);
5053 NetSendToAll(buffer);
5056 void handle_version(char **parameters, int pcnt, userrec *user)
5058 char Revision[] = "$Revision$";
5060 char *s1 = Revision;
5062 char *v1 = strtok_r(s1," ",&savept);
5064 char *v2 = strtok_r(s1," ",&savept);
5067 WriteServ(user->fd,"351 %s :%s Rev. %s %s :%s (O=%d)",user->nick,VERSION,v2,ServerName,SYSTEM,OPTIMISATION);
5070 void handle_ping(char **parameters, int pcnt, userrec *user)
5072 WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
5075 void handle_pong(char **parameters, int pcnt, userrec *user)
5077 // set the user as alive so they survive to next ping
5081 void handle_motd(char **parameters, int pcnt, userrec *user)
5086 void handle_rules(char **parameters, int pcnt, userrec *user)
5091 void handle_user(char **parameters, int pcnt, userrec *user)
5093 if (user->registered < 3)
5095 if (isident(parameters[0]) == 0) {
5096 // This kinda Sucks, According to the RFC thou, its either this,
5097 // or "You have already registered" :p -- Craig
5098 WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
5101 WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
5102 strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
5103 strncat(user->ident,parameters[0],IDENTMAX);
5104 strncpy(user->fullname,parameters[3],128);
5105 user->registered = (user->registered | 1);
5110 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
5113 /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
5114 if (user->registered == 3)
5116 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
5121 void handle_userhost(char **parameters, int pcnt, userrec *user)
5123 char Return[MAXBUF],junk[MAXBUF];
5124 sprintf(Return,"302 %s :",user->nick);
5125 for (int i = 0; i < pcnt; i++)
5127 userrec *u = Find(parameters[i]);
5130 if (strchr(u->modes,'o'))
5132 sprintf(junk,"%s*=+%s@%s ",u->nick,u->ident,u->host);
5133 strcat(Return,junk);
5137 sprintf(junk,"%s=+%s@%s ",u->nick,u->ident,u->host);
5138 strcat(Return,junk);
5142 WriteServ(user->fd,Return);
5146 void handle_ison(char **parameters, int pcnt, userrec *user)
5148 char Return[MAXBUF];
5149 sprintf(Return,"303 %s :",user->nick);
5150 for (int i = 0; i < pcnt; i++)
5152 userrec *u = Find(parameters[i]);
5155 strcat(Return,u->nick);
5159 WriteServ(user->fd,Return);
5163 void handle_away(char **parameters, int pcnt, userrec *user)
5167 strcpy(user->awaymsg,parameters[0]);
5168 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
5172 strcpy(user->awaymsg,"");
5173 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
5177 void handle_whowas(char **parameters, int pcnt, userrec* user)
5179 user_hash::iterator i = whowas.find(parameters[0]);
5181 if (i == whowas.end())
5183 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
5184 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
5188 time_t rawtime = i->second->signon;
5192 timeinfo = localtime(&rawtime);
5193 strcpy(b,asctime(timeinfo));
5194 b[strlen(b)-1] = '\0';
5196 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
5197 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
5198 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
5203 void handle_trace(char **parameters, int pcnt, userrec *user)
5205 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
5209 if (isnick(i->second->nick))
5211 if (strchr(i->second->modes,'o'))
5213 WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
5217 WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
5222 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
5228 void handle_modules(char **parameters, int pcnt, userrec *user)
5230 for (int i = 0; i < module_names.size(); i++)
5232 Version V = modules[i]->GetVersion();
5233 char modulename[MAXBUF];
5234 strncpy(modulename,module_names[i].c_str(),256);
5235 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));
5239 // calls a handler function for a command
5241 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
5243 for (int i = 0; i < cmdlist.size(); i++)
5245 if (!strcasecmp(cmdlist[i].command,commandname))
5247 if (cmdlist[i].handler_function)
5249 if (pcnt>=cmdlist[i].min_params)
5251 if (strchr(user->modes,cmdlist[i].flags_needed))
5253 cmdlist[i].handler_function(parameters,pcnt,user);
5261 void handle_stats(char **parameters, int pcnt, userrec *user)
5267 if (strlen(parameters[0])>1)
5269 /* make the stats query 1 character long */
5270 parameters[0][1] = '\0';
5273 /* stats m (list number of times each command has been used, plus bytecount) */
5274 if (!strcasecmp(parameters[0],"m"))
5276 for (int i = 0; i < cmdlist.size(); i++)
5278 if (cmdlist[i].handler_function)
5280 if (cmdlist[i].use_count)
5282 /* RPL_STATSCOMMANDS */
5283 WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
5290 /* stats z (debug and memory info) */
5291 if (!strcasecmp(parameters[0],"z"))
5293 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
5294 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
5295 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
5296 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
5297 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
5298 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
5299 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
5300 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
5304 if (!strcasecmp(parameters[0],"o"))
5306 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
5308 char LoginName[MAXBUF];
5309 char HostName[MAXBUF];
5310 char OperType[MAXBUF];
5311 ConfValue("oper","name",i,LoginName,&config_f);
5312 ConfValue("oper","host",i,HostName,&config_f);
5313 ConfValue("oper","type",i,OperType,&config_f);
5314 WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
5318 /* stats l (show user I/O stats) */
5319 if (!strcasecmp(parameters[0],"l"))
5321 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
5322 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
5324 if (isnick(i->second->nick))
5326 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);
5330 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);
5336 /* stats u (show server uptime) */
5337 if (!strcasecmp(parameters[0],"u"))
5339 time_t current_time = 0;
5340 current_time = time(NULL);
5341 time_t server_uptime = current_time - startup_time;
5343 stime = gmtime(&server_uptime);
5344 /* i dont know who the hell would have an ircd running for over a year nonstop, but
5345 * Craig suggested this, and it seemed a good idea so in it went */
5346 if (stime->tm_year > 70)
5348 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);
5352 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);
5356 WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
5357 WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
5361 void handle_connect(char **parameters, int pcnt, userrec *user)
5363 char Link_ServerName[1024];
5364 char Link_IPAddr[1024];
5365 char Link_Port[1024];
5366 char Link_Pass[1024];
5370 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
5374 ConfValue("link","name",i,Link_ServerName,&config_f);
5375 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
5376 ConfValue("link","port",i,Link_Port,&config_f);
5377 ConfValue("link","sendpass",i,Link_Pass,&config_f);
5378 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
5379 LinkPort = atoi(Link_Port);
5380 if (match(Link_ServerName,parameters[0])) {
5388 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
5392 // TODO: Perform a check here to stop a server being linked twice!
5394 WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
5396 if (me[defaultRoute])
5398 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
5403 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);
5407 void DoSplitEveryone()
5409 bool go_again = true;
5413 for (int i = 0; i < 32; i++)
5417 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
5419 if (strcasecmp(j->GetServerName().c_str(),ServerName))
5422 j->CloseConnection();
5423 me[i]->connectors.erase(j);
5431 log(DEBUG,"Removed server. Will remove clients...");
5432 // iterate through the userlist and remove all users on this server.
5433 // because we're dealing with a mesh, we dont have to deal with anything
5434 // "down-route" from this server (nice huh)
5436 char reason[MAXBUF];
5440 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
5442 if (strcasecmp(u->second->server,ServerName))
5444 snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
5445 kill_link(u->second,reason);
5455 void handle_squit(char **parameters, int pcnt, userrec *user)
5457 // send out an squit across the mesh and then clear the server list (for local squit)
5460 WriteOpers("SQUIT command issued by %s",user->nick);
5461 char buffer[MAXBUF];
5462 snprintf(buffer,MAXBUF,"& %s",ServerName);
5463 NetSendToAll(buffer);
5468 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
5472 char islast(const char* s)
5475 for (int j = 0; j < 32; j++)
5479 for (int k = 0; k < me[j]->connectors.size(); k++)
5481 if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
5485 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
5495 long map_count(const char* s)
5498 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
5500 if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
5505 void handle_links(char **parameters, int pcnt, userrec *user)
5507 WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
5508 for (int j = 0; j < 32; j++)
5512 for (int k = 0; k < me[j]->connectors.size(); k++)
5514 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());
5518 WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
5521 void handle_map(char **parameters, int pcnt, userrec *user)
5524 snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
5525 while (strlen(line) < 50)
5527 WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)usercnt())*100));
5528 for (int j = 0; j < 32; j++)
5532 for (int k = 0; k < me[j]->connectors.size(); k++)
5534 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
5535 while (strlen(line) < 50)
5537 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));
5541 WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
5545 void handle_oper(char **parameters, int pcnt, userrec *user)
5547 char LoginName[MAXBUF];
5548 char Password[MAXBUF];
5549 char OperType[MAXBUF];
5550 char TypeName[MAXBUF];
5551 char Hostname[MAXBUF];
5554 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
5556 ConfValue("oper","name",i,LoginName,&config_f);
5557 ConfValue("oper","password",i,Password,&config_f);
5558 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])))
5560 /* correct oper credentials */
5561 ConfValue("oper","type",i,OperType,&config_f);
5562 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
5563 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
5564 WriteServ(user->fd,"MODE %s :+o",user->nick);
5565 for (j =0; j < ConfValueEnum("type",&config_f); j++)
5567 ConfValue("type","name",j,TypeName,&config_f);
5568 if (!strcmp(TypeName,OperType))
5570 /* found this oper's opertype */
5571 ConfValue("type","host",j,Hostname,&config_f);
5572 ChangeDisplayedHost(user,Hostname);
5575 if (!strchr(user->modes,'o'))
5577 strcat(user->modes,"o");
5579 FOREACH_MOD OnOper(user);
5584 WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
5585 WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
5588 void handle_nick(char **parameters, int pcnt, userrec *user)
5592 log(DEBUG,"not enough params for handle_nick");
5597 log(DEBUG,"invalid parameter passed to handle_nick");
5600 if (!strlen(parameters[0]))
5602 log(DEBUG,"zero length new nick passed to handle_nick");
5607 log(DEBUG,"invalid user passed to handle_nick");
5612 log(DEBUG,"invalid old nick passed to handle_nick");
5615 if (!strcasecmp(user->nick,parameters[0]))
5617 log(DEBUG,"old nick is new nick, skipping");
5622 if (strlen(parameters[0]) > 1)
5624 if (parameters[0][0] == ':')
5629 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
5631 WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
5635 if (isnick(parameters[0]) == 0)
5637 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
5641 if (user->registered == 7)
5643 WriteCommon(user,"NICK %s",parameters[0]);
5645 // Q token must go to ALL servers!!!
5646 char buffer[MAXBUF];
5647 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
5648 NetSendToAll(buffer);
5652 /* change the nick of the user in the users_hash */
5653 user = ReHashNick(user->nick, parameters[0]);
5654 /* actually change the nick within the record */
5656 if (!user->nick) return;
5658 strncpy(user->nick, parameters[0],NICKMAX);
5660 log(DEBUG,"new nick set: %s",user->nick);
5662 if (user->registered < 3)
5663 user->registered = (user->registered | 2);
5664 if (user->registered == 3)
5666 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
5669 log(DEBUG,"exit nickchange: %s",user->nick);
5672 void force_nickchange(userrec* user,const char* newnick)
5681 strncpy(nick,newnick,MAXBUF);
5683 if (user->registered == 7)
5687 handle_nick(pars,1,user);
5693 int process_parameters(char **command_p,char *parameters)
5698 q = strlen(parameters);
5701 /* no parameters, command_p invalid! */
5704 if (parameters[0] == ':')
5706 command_p[0] = parameters+1;
5711 if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
5713 /* only one parameter */
5714 command_p[0] = parameters;
5715 if (parameters[0] == ':')
5717 if (strchr(parameters,' ') != NULL)
5725 command_p[j++] = parameters;
5726 for (int i = 0; i <= q; i++)
5728 if (parameters[i] == ' ')
5730 command_p[j++] = parameters+i+1;
5731 parameters[i] = '\0';
5732 if (command_p[j-1][0] == ':')
5734 *command_p[j-1]++; /* remove dodgy ":" */
5736 /* parameter like this marks end of the sequence */
5740 return j; /* returns total number of items in the list */
5743 void process_command(userrec *user, char* cmd)
5747 char *command_p[127];
5748 char p[MAXBUF], temp[MAXBUF];
5749 int i, j, items, cmd_found;
5751 for (int i = 0; i < 127; i++)
5752 command_p[i] = NULL;
5762 if (!strcmp(cmd,""))
5767 int total_params = 0;
5770 for (int q = 0; q < strlen(cmd)-1; q++)
5772 if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
5775 // found a 'trailing', we dont count them after this.
5783 // another phidjit bug...
5784 if (total_params > 126)
5786 kill_link(user,"Protocol violation (1)");
5792 std::string tmp = cmd;
5793 for (int i = 0; i <= MODCOUNT; i++)
5795 std::string oldtmp = tmp;
5796 modules[i]->OnServerRaw(tmp,true);
5799 log(DEBUG,"A Module changed the input string!");
5800 log(DEBUG,"New string: %s",tmp.c_str());
5801 log(DEBUG,"Old string: %s",oldtmp.c_str());
5805 strncpy(cmd,tmp.c_str(),MAXBUF);
5808 if (!strchr(cmd,' '))
5810 /* no parameters, lets skip the formalities and not chop up
5812 log(DEBUG,"About to preprocess command with no params");
5814 command_p[0] = NULL;
5816 for (int i = 0; i <= strlen(cmd); i++)
5818 cmd[i] = toupper(cmd[i]);
5820 log(DEBUG,"Preprocess done length=%d",strlen(cmd));
5827 /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
5828 for (int i = 0; i < strlen(temp); i++)
5830 if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
5836 /* split the full string into a command plus parameters */
5840 if (strchr(cmd,' '))
5842 for (int i = 0; i <= strlen(cmd); i++)
5844 /* capitalise the command ONLY, leave params intact */
5845 cmd[i] = toupper(cmd[i]);
5846 /* are we nearly there yet?! :P */
5850 parameters = cmd+i+1;
5858 for (int i = 0; i <= strlen(cmd); i++)
5860 cmd[i] = toupper(cmd[i]);
5867 if (strlen(command)>MAXCOMMAND)
5869 kill_link(user,"Protocol violation (2)");
5873 for (int x = 0; x < strlen(command); x++)
5875 if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
5877 if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
5879 if (!strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
5881 kill_link(user,"Protocol violation (3)");
5888 for (int i = 0; i != cmdlist.size(); i++)
5890 if (strcmp(cmdlist[i].command,""))
5892 if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
5894 log(DEBUG,"Found matching command");
5898 if (strcmp(parameters,""))
5900 items = process_parameters(command_p,parameters);
5905 command_p[0] = NULL;
5911 command_p[0] = NULL;
5916 log(DEBUG,"Processing command");
5918 /* activity resets the ping pending timer */
5919 user->nping = time(NULL) + 120;
5920 if ((items) < cmdlist[i].min_params)
5922 log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
5923 WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
5926 if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
5928 log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
5929 WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
5933 /* if the command isnt USER, PASS, or NICK, and nick is empty,
5935 if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
5937 if ((!isnick(user->nick)) || (user->registered != 7))
5939 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
5940 WriteServ(user->fd,"451 %s :You have not registered",command);
5944 if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
5946 log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
5947 if (cmdlist[i].handler_function)
5949 /* ikky /stats counters */
5954 user->bytes_in += strlen(temp);
5957 cmdlist[i].use_count++;
5958 cmdlist[i].total_bytes+=strlen(temp);
5961 /* WARNING: nothing may come after the
5962 * command handler call, as the handler
5963 * may free the user structure! */
5965 cmdlist[i].handler_function(command_p,items,user);
5971 log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
5972 WriteServ(user->fd,"451 %s :You have not registered",command);
5980 if ((!cmd_found) && (user))
5982 log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
5983 WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
5988 void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
5991 /* create the command and push it onto the table */
5992 strcpy(comm.command,cmd);
5993 comm.handler_function = f;
5994 comm.flags_needed = flags;
5995 comm.min_params = minparams;
5997 comm.total_bytes = 0;
5998 cmdlist.push_back(comm);
5999 log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
6002 void SetupCommandTable(void)
6004 createcommand("USER",handle_user,0,4);
6005 createcommand("NICK",handle_nick,0,1);
6006 createcommand("QUIT",handle_quit,0,0);
6007 createcommand("VERSION",handle_version,0,0);
6008 createcommand("PING",handle_ping,0,1);
6009 createcommand("PONG",handle_pong,0,1);
6010 createcommand("ADMIN",handle_admin,0,0);
6011 createcommand("PRIVMSG",handle_privmsg,0,2);
6012 createcommand("INFO",handle_info,0,0);
6013 createcommand("TIME",handle_time,0,0);
6014 createcommand("WHOIS",handle_whois,0,1);
6015 createcommand("WALLOPS",handle_wallops,'o',1);
6016 createcommand("NOTICE",handle_notice,0,2);
6017 createcommand("JOIN",handle_join,0,1);
6018 createcommand("NAMES",handle_names,0,1);
6019 createcommand("PART",handle_part,0,1);
6020 createcommand("KICK",handle_kick,0,2);
6021 createcommand("MODE",handle_mode,0,1);
6022 createcommand("TOPIC",handle_topic,0,1);
6023 createcommand("WHO",handle_who,0,1);
6024 createcommand("MOTD",handle_motd,0,0);
6025 createcommand("RULES",handle_rules,0,0);
6026 createcommand("OPER",handle_oper,0,2);
6027 createcommand("LIST",handle_list,0,0);
6028 createcommand("DIE",handle_die,'o',1);
6029 createcommand("RESTART",handle_restart,'o',1);
6030 createcommand("KILL",handle_kill,'o',2);
6031 createcommand("REHASH",handle_rehash,'o',0);
6032 createcommand("LUSERS",handle_lusers,0,0);
6033 createcommand("STATS",handle_stats,0,1);
6034 createcommand("USERHOST",handle_userhost,0,1);
6035 createcommand("AWAY",handle_away,0,0);
6036 createcommand("ISON",handle_ison,0,0);
6037 createcommand("SUMMON",handle_summon,0,0);
6038 createcommand("USERS",handle_users,0,0);
6039 createcommand("INVITE",handle_invite,0,2);
6040 createcommand("PASS",handle_pass,0,1);
6041 createcommand("TRACE",handle_trace,'o',0);
6042 createcommand("WHOWAS",handle_whowas,0,1);
6043 createcommand("CONNECT",handle_connect,'o',1);
6044 createcommand("SQUIT",handle_squit,'o',0);
6045 createcommand("MODULES",handle_modules,'o',0);
6046 createcommand("LINKS",handle_links,0,0);
6047 createcommand("MAP",handle_map,0,0);
6050 void process_buffer(const char* cmdbuf,userrec *user)
6054 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
6061 log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
6064 if (!strcmp(cmdbuf,""))
6068 strncpy(cmd,cmdbuf,MAXBUF);
6069 if (!strcmp(cmd,""))
6073 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
6075 cmd[strlen(cmd)-1] = '\0';
6077 if ((cmd[strlen(cmd)-1] == 13) || (cmd[strlen(cmd)-1] == 10))
6079 cmd[strlen(cmd)-1] = '\0';
6081 if (!strcmp(cmd,""))
6085 log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
6087 if ((user) && (cmd))
6089 process_command(user,cmd);
6093 void DoSync(serverrec* serv, char* udp_host)
6096 // send start of sync marker: Y <timestamp>
6097 // at this point the ircd receiving it starts broadcasting this netburst to all ircds
6098 // except the ones its receiving it from.
6099 snprintf(data,MAXBUF,"Y %d",time(NULL));
6100 serv->SendPacket(data,udp_host);
6101 // send users and channels
6102 for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
6104 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);
6105 serv->SendPacket(data,udp_host);
6106 if (strcmp(chlist(u->second),""))
6108 snprintf(data,MAXBUF,"J %s %s",u->second->nick,chlist(u->second));
6109 serv->SendPacket(data,udp_host);
6112 // send channel modes, topics etc...
6113 for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
6115 snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
6116 serv->SendPacket(data,udp_host);
6117 if (strcmp(c->second->topic,""))
6119 snprintf(data,MAXBUF,"T %d %s %s :%s",c->second->topicset,c->second->setby,c->second->name,c->second->topic);
6120 serv->SendPacket(data,udp_host);
6122 // send current banlist
6124 for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
6126 snprintf(data,MAXBUF,"M %s +b %s",b->set_time,c->second->name,b->data);
6127 serv->SendPacket(data,udp_host);
6130 // send end of sync marker: E <timestamp>
6131 snprintf(data,MAXBUF,"F %d",time(NULL));
6132 serv->SendPacket(data,udp_host);
6133 // ircd sends its serverlist after the end of sync here
6137 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6139 char* src = strtok(params," ");
6140 char* dest = strtok(NULL," :");
6141 char* text = strtok(NULL,"\r\n");
6144 userrec* user = Find(src);
6147 userrec* dst = Find(dest);
6151 WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
6155 chanrec* d = FindChan(dest);
6158 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
6166 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6168 char* src = strtok(params," ");
6169 char* dest = strtok(NULL," :");
6170 char* text = strtok(NULL,"\r\n");
6173 userrec* user = Find(src);
6176 userrec* dst = Find(dest);
6180 WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
6184 chanrec* d = FindChan(dest);
6187 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
6194 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6196 char* nick = strtok(params," ");
6197 char* from = strtok(NULL," ");
6198 char* channel = strtok(NULL," ");
6199 userrec* u = Find(nick);
6200 userrec* user = Find(from);
6201 chanrec* c = FindChan(channel);
6202 if ((c) && (u) && (user))
6204 u->InviteTo(c->name);
6205 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
6209 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6211 char* setby = strtok(params," ");
6212 char* channel = strtok(NULL," :");
6213 char* topic = strtok(NULL,"\r\n");
6215 userrec* u = Find(setby);
6216 chanrec* c = FindChan(channel);
6219 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
6220 strncpy(c->topic,topic,MAXTOPIC);
6221 strncpy(c->setby,u->nick,NICKMAX);
6226 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6228 char* tm = strtok(params," ");
6229 char* setby = strtok(NULL," ");
6230 char* channel = strtok(NULL," :");
6231 char* topic = strtok(NULL,"\r\n");
6233 time_t TS = atoi(tm);
6234 chanrec* c = FindChan(channel);
6237 // in the case of topics and TS, the *NEWER*
6238 if (TS <= c->topicset)
6240 WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
6241 strncpy(c->topic,topic,MAXTOPIC);
6242 strncpy(c->setby,setby,NICKMAX);
6247 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6250 char original[MAXBUF],target[MAXBUF];
6251 strncpy(original,params,MAXBUF);
6253 char* parameter = strtok(params," ");
6254 strncpy(target,parameter,MAXBUF);
6257 pars[index++] = parameter;
6258 parameter = strtok(NULL," ");
6260 merge_mode(pars,index);
6261 if (FindChan(target))
6263 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
6267 WriteTo(NULL,Find(target),"MODE %s",original);
6271 // m is modes set by users only (not servers) valid targets are channels or users.
6273 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6275 // m blah #chatspike +b *!test@*4
6277 char original[MAXBUF];
6278 strncpy(original,params,MAXBUF);
6280 if (!strchr(params,' '))
6282 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
6288 char* src = strtok(params," ");
6289 userrec* user = Find(src);
6293 log(DEBUG,"Found user: %s",user->nick);
6294 char* parameter = strtok(NULL," ");
6297 pars[index++] = parameter;
6298 parameter = strtok(NULL," ");
6301 log(DEBUG,"Calling merge_mode2");
6302 merge_mode2(pars,index,user);
6307 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6309 char* nick = strtok(params," ");
6310 char* channel = strtok(NULL," :");
6311 char* reason = strtok(NULL,"\r\n");
6312 userrec* user = Find(nick);
6316 if (strcmp(reason,""))
6318 del_channel(user,channel,reason,true);
6322 del_channel(user,channel,NULL,true);
6327 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6329 char* src = strtok(params," ");
6330 char* nick = strtok(NULL," :");
6331 char* reason = strtok(NULL,"\r\n");
6332 char kreason[MAXBUF];
6335 userrec* u = Find(nick);
6336 userrec* user = Find(src);
6340 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
6341 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
6342 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
6343 kill_link(u,kreason);
6347 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6349 char* nick = strtok(params," :");
6350 char* reason = strtok(NULL,"\r\n");
6353 userrec* user = Find(nick);
6357 if (strlen(reason)>MAXQUIT)
6359 reason[MAXQUIT-1] = '\0';
6363 WriteCommonExcept(user,"QUIT :%s",reason);
6365 user_hash::iterator iter = clientlist.find(user->nick);
6367 if (iter != clientlist.end())
6369 log(DEBUG,"deleting user hash value %d",iter->second);
6370 if ((iter->second) && (user->registered == 7)) {
6371 delete iter->second;
6373 clientlist.erase(iter);
6376 purge_empty_chans();
6380 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6382 char* oldnick = strtok(params," ");
6383 char* newnick = strtok(NULL," ");
6385 userrec* user = Find(oldnick);
6389 WriteCommon(user,"NICK %s",newnick);
6390 user = ReHashNick(user->nick, newnick);
6392 if (!user->nick) return;
6393 strncpy(user->nick, newnick,NICKMAX);
6394 log(DEBUG,"new nick set: %s",user->nick);
6398 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
6399 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6401 char* src = strtok(params," ");
6402 char* dest = strtok(NULL," ");
6403 char* channel = strtok(NULL," :");
6404 char* reason = strtok(NULL,"\r\n");
6406 userrec* s = Find(src);
6407 userrec* d = Find(dest);
6408 chanrec* c = FindChan(channel);
6409 if ((s) && (d) && (c))
6411 kick_channel(s,d,c,reason);
6415 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6417 char* who = strtok(params," :");
6418 char* text = strtok(NULL,"\r\n");
6420 userrec* s = Find(who);
6423 WriteWallOps(s,true,text);
6428 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6430 char* tm = strtok(params," ");
6431 char* nick = strtok(NULL," ");
6432 char* host = strtok(NULL," ");
6433 char* dhost = strtok(NULL," ");
6434 char* ident = strtok(NULL," ");
6435 char* modes = strtok(NULL," ");
6436 char* server = strtok(NULL," :");
6437 char* gecos = strtok(NULL,"\r\n");
6440 time_t TS = atoi(tm);
6441 user_hash::iterator iter = clientlist.find(nick);
6442 if (iter != clientlist.end())
6445 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
6447 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
6448 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
6449 kill_link(iter->second,str);
6451 clientlist[nick] = new userrec();
6452 // remote users have an fd of -1. This is so that our Write abstraction
6453 // routines know to route any messages to this record away to whatever server
6455 clientlist[nick]->fd = -1;
6456 strncpy(clientlist[nick]->nick, nick,NICKMAX);
6457 strncpy(clientlist[nick]->host, host,160);
6458 strncpy(clientlist[nick]->dhost, dhost,160);
6459 strncpy(clientlist[nick]->server, server,256);
6460 strncpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
6461 strncpy(clientlist[nick]->fullname, gecos,128);
6462 clientlist[nick]->signon = TS;
6463 clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
6464 clientlist[nick]->lastping = 1;
6465 clientlist[nick]->port = 0; // so is this...
6466 clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
6467 clientlist[nick]->idle_lastmsg = time(NULL); // this is unrealiable and wont actually be used locally
6468 for (int i = 0; i < MAXCHANS; i++)
6470 clientlist[nick]->chans[i].channel = NULL;
6471 clientlist[nick]->chans[i].uc_modes = 0;
6475 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6477 long tdiff = time(NULL) - atoi(params);
6479 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
6482 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6484 char* nick = strtok(params," :");
6485 char* gecos = strtok(NULL,"\r\n");
6487 userrec* user = Find(nick);
6490 strncpy(user->fullname,gecos,MAXBUF);
6493 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6495 char* nick = strtok(params," ");
6496 char* host = strtok(NULL," ");
6498 userrec* user = Find(nick);
6501 strncpy(user->dhost,host,160);
6504 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6507 // + test3.chatspike.net 7010 -2016508415
6508 char* servername = strtok(params," ");
6509 char* ipaddr = strtok(NULL," ");
6510 char* ipport = strtok(NULL," ");
6511 char* cookie = strtok(NULL," ");
6512 log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
6515 bool conn_already = false;
6516 for (int i = 0; i < 32; i++)
6520 for (int j = 0; j < me[i]->connectors.size(); j++)
6522 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
6524 if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
6526 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
6527 conn_already = true;
6534 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
6537 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6539 char* server = strtok(params," ");
6540 char* data = strtok(NULL,"\r\n");
6541 log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
6542 NetSendToOne(server,data);
6545 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6548 // The J token currently has no timestamp - this needs looking at
6549 // because it will allow splitriding.
6550 char* nick = strtok(params," ");
6551 char* channel = strtok(NULL," ");
6552 userrec* user = Find(nick);
6555 if ((user != NULL) && (strcmp(channel,"")))
6557 char privilage = '\0';
6558 if (channel[0] != '#')
6560 privilage = channel[0];
6563 add_channel(user,channel,"",true);
6565 // now work out the privilages they should have on each channel
6566 // and send the appropriate servermodes.
6567 for (int i = 0; i != MAXCHANS; i++)
6569 if (user->chans[i].channel)
6571 if (!strcasecmp(user->chans[i].channel->name,channel))
6573 if (privilage == '@')
6575 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
6576 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
6578 if (privilage == '%')
6580 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
6581 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
6583 if (privilage == '+')
6585 user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
6586 WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
6593 channel = strtok(NULL," ");
6597 void NetSendMyRoutingTable()
6599 // send out a line saying what is reachable to us.
6600 // E.g. if A is linked to B C and D, send out:
6602 // if its only linked to B and D send out:
6604 // if it has no links, dont even send out the line at all.
6605 char buffer[MAXBUF];
6606 sprintf(buffer,"$ %s",ServerName);
6607 bool sendit = false;
6608 for (int i = 0; i < 32; i++)
6612 for (int j = 0; j < me[i]->connectors.size(); j++)
6614 if (me[i]->connectors[j].GetState() != STATE_DISCONNECTED)
6616 strncat(buffer," ",MAXBUF);
6617 strncat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
6624 NetSendToAll(buffer);
6627 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6629 log(DEBUG,"Storing routing table...");
6630 char* sourceserver = strtok(params," ");
6631 char* server = strtok(NULL," ");
6632 for (int i = 0; i < 32; i++)
6636 for (int j = 0; j < me[i]->connectors.size(); j++)
6638 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
6640 me[i]->connectors[j].routes.clear();
6641 log(DEBUG,"Found entry for source server.");
6645 me[i]->connectors[j].routes.push_back(server);
6646 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
6647 server = strtok(NULL," ");
6654 log(DEBUG,"Warning! routing table received from nonexistent server!");
6658 void DoSplit(const char* params)
6660 bool go_again = true;
6664 for (int i = 0; i < 32; i++)
6668 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
6670 if (!strcasecmp(j->GetServerName().c_str(),params))
6673 j->CloseConnection();
6674 me[i]->connectors.erase(j);
6682 log(DEBUG,"Removed server. Will remove clients...");
6683 // iterate through the userlist and remove all users on this server.
6684 // because we're dealing with a mesh, we dont have to deal with anything
6685 // "down-route" from this server (nice huh)
6687 char reason[MAXBUF];
6688 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
6692 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
6694 if (!strcasecmp(u->second->server,params))
6696 kill_link(u->second,reason);
6704 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
6706 log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
6707 bool go_again = true;
6711 for (int i = 0; i < 32; i++)
6715 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
6717 if (!strcasecmp(j->GetServerName().c_str(),params))
6720 j->CloseConnection();
6721 me[i]->connectors.erase(j);
6729 log(DEBUG,"Removed server. Will remove clients...");
6730 // iterate through the userlist and remove all users on this server.
6731 // because we're dealing with a mesh, we dont have to deal with anything
6732 // "down-route" from this server (nice huh)
6734 char reason[MAXBUF];
6735 snprintf(reason,MAXBUF,"%s %s",ServerName,params);
6739 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
6741 if (!strcasecmp(u->second->server,params))
6743 kill_link(u->second,reason);
6754 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,char* ipaddr,int port)
6756 char buffer[MAXBUF];
6763 nb_start = time(NULL);
6764 WriteOpers("Server %s is starting netburst.",udp_host);
6765 // now broadcast this new servers address out to all servers that are linked to us,
6766 // except the newcomer. They'll all attempt to connect back to it.
6767 authcookie = rand()*rand();
6768 snprintf(buffer,MAXBUF,"~ %d",authcookie);
6769 NetSendToAll(buffer);
6773 // once stored, this authcookie permits other servers to log in
6774 // without user or password, using it.
6776 auth_cookies.push_back(atoi(params));
6777 log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
6779 // connect back to a server using an authcookie
6781 handle_plus(token,params,source,reply,udp_host);
6785 handle_dollar(token,params,source,reply,udp_host);
6787 // node unreachable - we cant route to a server, sooooo we slit it off.
6788 // servers can generate these for themselves for an squit.
6790 handle_amp(token,params,source,reply,udp_host);
6792 // R <server> <data>
6793 // redirect token, send all of <data> along to the given
6794 // server as this server has been found to still have a route to it
6796 handle_R(token,params,source,reply,udp_host);
6801 reply->SendPacket("!",udp_host);
6811 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
6812 // introduce remote client
6814 handle_N(token,params,source,reply,udp_host);
6816 // a <NICK> :<GECOS>
6817 // change GECOS (SETNAME)
6819 handle_a(token,params,source,reply,udp_host);
6822 // change displayed host (SETHOST)
6824 handle_b(token,params,source,reply,udp_host);
6826 // t <NICK> <CHANNEL> :<TOPIC>
6827 // change a channel topic
6829 handle_t(token,params,source,reply,udp_host);
6831 // i <NICK> <CHANNEL>
6832 // invite a user to a channel
6834 handle_i(token,params,source,reply,udp_host);
6836 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
6837 // kick a user from a channel
6839 handle_k(token,params,source,reply,udp_host);
6841 // n <NICK> <NEWNICK>
6842 // change nickname of client -- a server should only be able to
6843 // change the nicknames of clients that reside on it unless
6846 handle_n(token,params,source,reply,udp_host);
6848 // J <NICK> <CHANLIST>
6849 // Join user to channel list, merge channel permissions
6851 handle_J(token,params,source,reply,udp_host);
6853 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
6854 // change channel topic (netburst only)
6856 handle_T(token,params,source,reply,udp_host);
6858 // M <TARGET> <MODES> [MODE-PARAMETERS]
6859 // Server setting modes on an object
6861 handle_M(token,params,source,reply,udp_host);
6863 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
6864 // User setting modes on an object
6866 handle_m(token,params,source,reply,udp_host);
6868 // P <SOURCE> <TARGET> :<TEXT>
6869 // Send a private/channel message
6871 handle_P(token,params,source,reply,udp_host);
6873 // V <SOURCE> <TARGET> :<TEXT>
6874 // Send a private/channel notice
6876 handle_V(token,params,source,reply,udp_host);
6878 // L <SOURCE> <CHANNEL> :<REASON>
6879 // User parting a channel
6881 handle_L(token,params,source,reply,udp_host);
6883 // Q <SOURCE> :<REASON>
6886 handle_Q(token,params,source,reply,udp_host);
6888 // K <SOURCE> <DEST> :<REASON>
6891 handle_K(token,params,source,reply,udp_host);
6893 // @ <SOURCE> :<TEXT>
6896 handle_AT(token,params,source,reply,udp_host);
6901 WriteOpers("Server %s has completed netburst. (%d secs)",udp_host,time(NULL)-nb_start);
6902 handle_F(token,params,source,reply,udp_host);
6904 // tell all the other servers to use this authcookie to connect back again
6905 // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
6906 snprintf(buffer,MAXBUF,"+ %s %s %d %d",udp_host,ipaddr,port,authcookie);
6907 NetSendToAllExcept(udp_host,buffer);
6910 // Send netburst now
6912 WriteOpers("Sending my netburst to %s",udp_host);
6913 DoSync(source,udp_host);
6914 WriteOpers("Send of netburst to %s completed",udp_host);
6915 NetSendMyRoutingTable();
6919 WriteOpers("WARNING! Unknown datagram type '%c'",token);
6925 void handle_link_packet(char* udp_msg, char* udp_host, serverrec *serv)
6927 char response[10240];
6928 char token = udp_msg[0];
6929 char* params = udp_msg + 2;
6930 char finalparam[1024];
6931 strcpy(finalparam," :xxxx");
6932 if (strstr(udp_msg," :")) {
6933 strncpy(finalparam,strstr(udp_msg," :"),1024);
6936 char* cookie = strtok(params," ");
6937 char* servername = strtok(NULL," ");
6938 char* serverdesc = finalparam+2;
6940 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,udp_host);
6942 for (int u = 0; u < auth_cookies.size(); u++)
6944 if (auth_cookies[u] == atoi(cookie))
6946 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
6949 for (int j = 0; j < 32; j++)
6953 for (int k = 0; k < me[j]->connectors.size(); k++)
6955 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
6957 me[j]->connectors[k].SetServerName(servername);
6958 me[j]->connectors[k].SetDescription(serverdesc);
6959 me[j]->connectors[k].SetState(STATE_CONNECTED);
6960 NetSendMyRoutingTable();
6965 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",udp_host);
6973 // bad cookie, bad bad! go sit in the corner!
6974 WriteOpers("Bad cookie from %s!",servername);
6979 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
6980 char* servername = strtok(params," ");
6981 char* password = strtok(NULL," ");
6982 char* myport = strtok(NULL," ");
6983 char* serverdesc = finalparam+2;
6984 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,udp_host,atoi(myport));
6986 for (int j = 0; j < serv->connectors.size(); j++)
6988 if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),udp_host))
6990 serv->connectors[j].SetServerName(servername);
6991 serv->connectors[j].SetDescription(serverdesc);
6992 serv->connectors[j].SetServerPort(atoi(myport));
6997 char Link_ServerName[1024];
6998 char Link_IPAddr[1024];
6999 char Link_Port[1024];
7000 char Link_Pass[1024];
7001 char Link_SendPass[1024];
7004 // search for a corresponding <link> block in the config files
7005 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
7007 ConfValue("link","name",i,Link_ServerName,&config_f);
7008 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
7009 ConfValue("link","port",i,Link_Port,&config_f);
7010 ConfValue("link","recvpass",i,Link_Pass,&config_f);
7011 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
7012 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
7013 LinkPort = atoi(Link_Port);
7014 if (!strcasecmp(Link_ServerName,servername))
7016 // we have a matching link line -
7017 // send a 'diminutive' server message back...
7018 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
7019 serv->SendPacket(response,servername);
7021 for (int t = 0; t < serv->connectors.size(); t++)
7023 if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
7025 serv->connectors[t].SetState(STATE_CONNECTED);
7032 char buffer[MAXBUF];
7033 sprintf(buffer,"E :Access is denied (no matching link block)");
7034 serv->SendPacket(buffer,udp_host);
7035 WriteOpers("CONNECT from %s denied, no matching link block",servername);
7040 // S test.chatspike.net password :ChatSpike InspIRCd test server
7041 char* servername = strtok(params," ");
7042 char* password = strtok(NULL," ");
7043 char* serverdesc = finalparam+2;
7045 // TODO: we should do a check here to ensure that this server is one we recently initiated a
7046 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
7047 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
7048 // a connect, so put out an oper alert!
7050 // for now, just accept all, we'll fix that later.
7051 WriteOpers("%s accepted our link credentials ",servername);
7053 char Link_ServerName[1024];
7054 char Link_IPAddr[1024];
7055 char Link_Port[1024];
7056 char Link_Pass[1024];
7057 char Link_SendPass[1024];
7060 // search for a corresponding <link> block in the config files
7061 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
7063 ConfValue("link","name",i,Link_ServerName,&config_f);
7064 ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
7065 ConfValue("link","port",i,Link_Port,&config_f);
7066 ConfValue("link","recvpass",i,Link_Pass,&config_f);
7067 ConfValue("link","sendpass",i,Link_SendPass,&config_f);
7068 log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
7069 LinkPort = atoi(Link_Port);
7070 if (!strcasecmp(Link_ServerName,servername))
7072 // matching link at this end too, we're all done!
7073 // at this point we must begin key exchange and insert this
7074 // server into our 'active' table.
7075 for (int j = 0; j < 32; j++)
7079 for (int k = 0; k < me[j]->connectors.size(); k++)
7081 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
7083 char buffer[MAXBUF];
7084 me[j]->connectors[k].SetDescription(serverdesc);
7085 me[j]->connectors[k].SetState(STATE_CONNECTED);
7086 sprintf(buffer,"X 0");
7087 serv->SendPacket(buffer,udp_host);
7088 DoSync(me[j],udp_host);
7089 NetSendMyRoutingTable();
7094 WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",udp_host);
7099 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
7102 char buffer[MAXBUF];
7103 sprintf(buffer,"E :Access is denied (no matching link block)");
7104 serv->SendPacket(buffer,udp_host);
7105 WriteOpers("CONNECT from %s denied, no matching link block",servername);
7110 char* error_message = finalparam+2;
7111 WriteOpers("ERROR from %s: %s",udp_host,error_message);
7112 // remove this server from any lists
7117 serverrec* source_server = NULL;
7119 for (int j = 0; j < 32; j++)
7123 for (int x = 0; x < me[j]->connectors.size(); x++)
7125 log(DEBUG,"Servers are: '%s' '%s'",udp_host,me[j]->connectors[x].GetServerName().c_str());
7126 if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),udp_host))
7128 if (me[j]->connectors[x].GetState() == STATE_CONNECTED)
7130 // found a valid ircd_connector.
7131 process_restricted_commands(token,params,me[j],serv,udp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
7139 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",udp_host,token);
7143 int reap_counter = 0;
7147 struct sockaddr_in client, server;
7148 char addrs[MAXBUF][255];
7149 int openSockfd[MAXSOCKS], incomingSockfd, result = TRUE;
7151 int count = 0, scanDetectTrigger = TRUE, showBanner = FALSE;
7152 int selectResult = 0, selectResult2 = 0;
7153 char *temp, configToken[MAXBUF], stuff[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
7154 char resolvedHost[MAXBUF];
7158 log_file = fopen("ircd.log","a+");
7161 printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
7165 log(DEBUG,"InspIRCd: startup: begin");
7169 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
7171 log(DEBUG,"InspIRCd: startup: not starting with UID 0!");
7173 SetupCommandTable();
7174 log(DEBUG,"InspIRCd: startup: default command table set up");
7177 if (strcmp(DieValue,""))
7179 printf("WARNING: %s\n\n",DieValue);
7182 log(DEBUG,"InspIRCd: startup: read config");
7184 int count2 = 0, count3 = 0;
7186 for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
7188 ConfValue("bind","port",count,configToken,&config_f);
7189 ConfValue("bind","address",count,Addr,&config_f);
7190 ConfValue("bind","type",count,Type,&config_f);
7191 if (!strcmp(Type,"servers"))
7193 char Default[MAXBUF];
7194 strcpy(Default,"no");
7195 ConfValue("bind","default",count,Default,&config_f);
7196 if (strchr(Default,'y'))
7198 defaultRoute = count3;
7199 log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
7201 me[count3] = new serverrec(ServerName,100L,false);
7202 me[count3]->CreateListener(Addr,atoi(configToken));
7207 ports[count2] = atoi(configToken);
7208 strcpy(addrs[count2],Addr);
7211 log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
7214 UDPportCount = count3;
7216 log(DEBUG,"InspIRCd: startup: read %d total client ports and %d total server ports",portCount,UDPportCount);
7218 log(DEBUG,"InspIRCd: startup: InspIRCd is now running!");
7222 /* BugFix By Craig! :p */
7224 for (count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
7226 char modfile[MAXBUF];
7227 ConfValue("module","name",count2,configToken,&config_f);
7228 sprintf(modfile,"%s/%s",MOD_PATH,configToken,&config_f);
7229 printf("Loading module... \033[1;37m%s\033[0;37m\n",modfile);
7230 log(DEBUG,"InspIRCd: startup: Loading module: %s",modfile);
7231 /* If The File Doesnt exist, Trying to load it
7232 * Will Segfault the IRCd.. So, check to see if
7233 * it Exists, Before Proceeding. */
7234 if (FileExists(modfile))
7236 factory[count] = new ircd_module(modfile);
7237 if (factory[count]->LastError())
7239 log(DEBUG,"Unable to load %s: %s",modfile,factory[count]->LastError());
7240 sprintf("Unable to load %s: %s\nExiting...\n",modfile,factory[count]->LastError());
7243 if (factory[count]->factory)
7245 modules[count] = factory[count]->factory->CreateModule();
7246 /* save the module and the module's classfactory, if
7247 * this isnt done, random crashes can occur :/ */
7248 module_names.push_back(modfile);
7252 log(DEBUG,"Unable to load %s",modfile);
7253 sprintf("Unable to load %s\nExiting...\n",modfile);
7256 /* Increase the Count */
7261 log(DEBUG,"InspIRCd: startup: Module Not Found %s",modfile);
7262 printf("Module Not Found: \033[1;37m%s\033[0;37m, Skipping\n",modfile);
7265 MODCOUNT = count - 1;
7266 log(DEBUG,"Total loaded modules: %d",MODCOUNT+1);
7268 printf("\nInspIRCd is now running!\n");
7270 startup_time = time(NULL);
7274 log(VERBOSE,"Not forking as -nofork was specified");
7278 if (DaemonSeed() == ERROR)
7280 log(DEBUG,"InspIRCd: startup: can't daemonise");
7281 printf("ERROR: could not go into daemon mode. Shutting down.\n");
7287 /* setup select call */
7288 FD_ZERO(&selectFds);
7289 log(DEBUG,"InspIRCd: startup: zero selects");
7290 log(VERBOSE,"InspIRCd: startup: portCount = %d", portCount);
7292 for (count = 0; count < portCount; count++)
7294 if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
7296 log(DEBUG,"InspIRCd: startup: bad fd %d",openSockfd[boundPortCount]);
7299 if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
7301 log(DEBUG,"InspIRCd: startup: failed to bind port %d",ports[count]);
7303 else /* well we at least bound to one socket so we'll continue */
7309 log(DEBUG,"InspIRCd: startup: total bound ports %d",boundPortCount);
7311 /* if we didn't bind to anything then abort */
7312 if (boundPortCount == 0)
7314 log(DEBUG,"InspIRCd: startup: no ports bound, bailing!");
7319 length = sizeof (client);
7320 char udp_msg[MAXBUF], udp_host[MAXBUF];
7322 /* main loop, this never returns */
7325 #ifdef _POSIX_PRIORITY_SCHEDULING
7333 user_hash::iterator count2 = clientlist.begin();
7335 // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
7336 // them in a list, then reap the list every second or so.
7337 if (reap_counter>300)
7339 if (fd_reap.size() > 0)
7341 for( int n = 0; n < fd_reap.size(); n++)
7343 Blocking(fd_reap[n]);
7345 NonBlocking(fd_reap[n]);
7354 FD_ZERO(&serverfds);
7357 for (int x = 0; x != UDPportCount; x++)
7359 FD_SET(me[x]->fd, &serverfds);
7365 int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
7368 for (int x = 0; x != UDPportCount; x++)
7370 if (FD_ISSET (me[x]->fd, &serverfds))
7372 char remotehost[MAXBUF],resolved[MAXBUF];
7373 length = sizeof (client);
7374 incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
7375 strncpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
7376 if(CleanAndResolve(resolved, remotehost) != TRUE)
7378 strncpy(resolved,remotehost,MAXBUF);
7380 // add to this connections ircd_connector vector
7381 // *FIX* - we need the LOCAL port not the remote port in &client!
7382 me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
7387 for (int x = 0; x < UDPportCount; x++)
7389 std::deque<std::string> msgs;
7391 if (me[x]->RecvPacket(msgs, udp_host))
7393 for (int ctr = 0; ctr < msgs.size(); ctr++)
7395 char udp_msg[MAXBUF];
7396 strncpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
7397 if (strlen(udp_msg)<1)
7399 log(DEBUG,"Invalid string from %s [route%d]",udp_host,x);
7402 // during a netburst, send all data to all other linked servers
7403 if ((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
7405 NetSendToAllExcept(udp_host,udp_msg);
7407 FOREACH_MOD OnPacketReceive(udp_msg);
7408 handle_link_packet(udp_msg, udp_host, me[x]);
7415 while (count2 != clientlist.end())
7418 tval.tv_usec = tval.tv_sec = 0;
7420 int total_in_this_set = 0;
7422 user_hash::iterator xcount = count2;
7423 user_hash::iterator endingiter = count2;
7425 if (!count2->second) break;
7428 if (count2->second->fd != 0)
7430 // assemble up to 64 sockets into an fd_set
7431 // to implement a pooling mechanism.
7433 // This should be up to 64x faster than the
7434 // old implementation.
7435 while (total_in_this_set < 64)
7437 if (count2 != clientlist.end())
7439 // we don't check the state of remote users.
7440 if (count2->second->fd > 0)
7442 FD_SET (count2->second->fd, &sfd);
7444 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
7445 // their connection class.
7446 if ((time(NULL) > count2->second->timeout) && (count2->second->registered != 7))
7448 log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
7449 kill_link(count2->second,"Registration timeout");
7452 if (((time(NULL)) > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
7454 if ((!count2->second->lastping) && (count2->second->registered == 7))
7456 log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
7457 kill_link(count2->second,"Ping timeout");
7460 Write(count2->second->fd,"PING :%s",ServerName);
7461 log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
7462 count2->second->lastping = 0;
7463 count2->second->nping = time(NULL)+120;
7467 total_in_this_set++;
7472 endingiter = count2;
7473 count2 = xcount; // roll back to where we were
7479 selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
7481 // now loop through all of the items in this pool if any are waiting
7482 //if (selectResult2 > 0)
7483 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
7486 #ifdef _POSIX_PRIORITY_SCHEDULING
7491 if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
7493 log(DEBUG,"Reading fd %d",count2a->second->fd);
7494 memset(data, 0, 10240);
7495 result = read(count2a->second->fd, data, 10240);
7500 log(DEBUG,"Read %d characters from socket",result);
7501 userrec* current = count2a->second;
7502 int currfd = current->fd;
7503 char* l = strtok(data,"\n");
7508 if ((floodlines > current->flood) && (current->flood != 0))
7510 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
7511 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
7512 kill_link(current,"Excess flood");
7515 char sanitized[NetBufferSize];
7516 memset(sanitized, 0, NetBufferSize);
7518 for (int pt = 0; pt < strlen(l); pt++)
7522 sanitized[ptt++] = l[pt];
7525 sanitized[ptt] = '\0';
7526 if (strlen(sanitized))
7530 // we're gonna re-scan to check if the nick is gone, after every
7531 // command - if it has, we're gonna bail
7532 bool find_again = false;
7533 process_buffer(sanitized,current);
7535 // look for the user's record in case it's changed
7536 for (user_hash::iterator c2 = clientlist.begin(); c2 != clientlist.end(); c2++)
7538 if (c2->second->fd == currfd)
7540 // found again, update pointer
7541 current == c2->second;
7550 l = strtok(NULL,"\n");
7555 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
7557 log(DEBUG,"killing: %s",count2a->second->nick);
7558 kill_link(count2a->second,strerror(errno));
7562 // result EAGAIN means nothing read
7563 if (result == EAGAIN)
7571 log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
7572 kill_link(count2a->second,"Client exited");
7573 // must bail here? kill_link removes the hash, corrupting the iterator
7574 log(DEBUG,"Bailing from client exit");
7578 else if (result > 0)
7583 for (int q = 0; q < total_in_this_set; q++)
7585 // there is no iterator += operator :(
7586 //if (count2 != clientlist.end())
7593 // set up select call
7594 for (count = 0; count < boundPortCount; count++)
7596 FD_SET (openSockfd[count], &selectFds);
7600 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
7602 /* select is reporting a waiting socket. Poll them all to find out which */
7603 if (selectResult > 0)
7605 char target[MAXBUF], resolved[MAXBUF];
7606 for (count = 0; count < boundPortCount; count++)
7608 if (FD_ISSET (openSockfd[count], &selectFds))
7610 length = sizeof (client);
7611 incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
7613 address_cache::iterator iter = IP.find(client.sin_addr);
7614 bool iscached = false;
7615 if (iter == IP.end())
7617 /* ip isn't in cache, add it */
7618 strncpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
7619 if(CleanAndResolve(resolved, target) != TRUE)
7621 strncpy(resolved,target,MAXBUF);
7623 /* hostname now in 'target' */
7624 IP[client.sin_addr] = new string(resolved);
7625 /* hostname in cache */
7629 /* found ip (cached) */
7630 strncpy(resolved, iter->second->c_str(), MAXBUF);
7634 if (incomingSockfd < 0)
7636 WriteOpers("*** WARNING: Accept failed on port %d (%s)", ports[count],target);
7637 log(DEBUG,"InspIRCd: accept failed: %d",ports[count]);
7641 AddClient(incomingSockfd, resolved, ports[count], iscached);
7642 log(DEBUG,"InspIRCd: adding client on port %d fd=%d",ports[count],incomingSockfd);
7649 if(0) {}; // "Label must be followed by a statement"... so i gave it one.
7652 close (incomingSockfd);