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 * ---------------------------------------------------
18 #include "inspircd_io.h"
19 #include "inspircd_util.h"
20 #include "inspircd_config.h"
23 #include <sys/errno.h>
24 #include <sys/ioctl.h>
25 #include <sys/utsname.h>
30 #include <ext/hash_map>
42 #include "connection.h"
54 #include "inspstring.h"
57 #define nspace __gnu_cxx
65 extern std::vector<Module*> modules;
66 extern std::vector<ircd_module*> factory;
71 extern char ServerName[MAXBUF];
72 extern char Network[MAXBUF];
73 extern char ServerDesc[MAXBUF];
74 extern char AdminName[MAXBUF];
75 extern char AdminEmail[MAXBUF];
76 extern char AdminNick[MAXBUF];
77 extern char diepass[MAXBUF];
78 extern char restartpass[MAXBUF];
79 extern char motd[MAXBUF];
80 extern char rules[MAXBUF];
81 extern char list[MAXBUF];
82 extern char PrefixQuit[MAXBUF];
83 extern char DieValue[MAXBUF];
86 extern int WHOWAS_STALE;
87 extern int WHOWAS_MAX;
89 extern time_t startup_time;
90 extern int NetBufferSize;
91 extern int MaxWhoResults;
92 extern time_t nb_start;
94 extern std::vector<int> fd_reap;
95 extern std::vector<std::string> module_names;
97 extern int boundPortCount;
99 extern int UDPportCount;
100 extern int ports[MAXSOCKS];
101 extern int defaultRoute;
103 extern std::vector<long> auth_cookies;
104 extern std::stringstream config_f;
106 extern serverrec* me[32];
108 extern FILE *log_file;
114 template<> struct hash<in_addr>
116 template<> struct nspace::hash<in_addr>
119 size_t operator()(const struct in_addr &a) const
122 memcpy(&q,&a,sizeof(size_t));
127 template<> struct hash<string>
129 template<> struct nspace::hash<string>
132 size_t operator()(const string &s) const
135 static struct hash<const char *> strhash;
136 strlcpy(a,s.c_str(),MAXBUF);
146 bool operator()(const string& s1, const string& s2) const
148 char a[MAXBUF],b[MAXBUF];
149 strlcpy(a,s1.c_str(),MAXBUF);
150 strlcpy(b,s2.c_str(),MAXBUF);
153 return (strcasecmp(a,b) == 0);
158 struct InAddr_HashComp
161 bool operator()(const in_addr &s1, const in_addr &s2) const
166 memcpy(&q,&s1,sizeof(size_t));
167 memcpy(&p,&s2,sizeof(size_t));
175 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
176 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
177 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
178 typedef std::deque<command_t> command_table;
181 extern user_hash clientlist;
182 extern chan_hash chanlist;
183 extern user_hash whowas;
184 extern command_table cmdlist;
185 extern file_cache MOTD;
186 extern file_cache RULES;
187 extern address_cache IP;
190 // class type for holding an extended mode character - internal to core
192 class ExtMode : public classbase
201 ExtMode(char mc, int ty, bool oper, int p_on, int p_off) : modechar(mc), type(ty), needsoper(oper), params_when_on(p_on), params_when_off(p_off) { };
204 typedef std::vector<ExtMode> ExtModeList;
205 typedef ExtModeList::iterator ExtModeListIter;
210 // returns true if an extended mode character is in use
211 bool ModeDefined(char modechar, int type)
213 log(DEBUG,"Size of extmodes vector is %d",EMode.size());
214 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
216 if ((i->modechar == modechar) && (i->type == type))
224 bool ModeIsListMode(char modechar, int type)
226 log(DEBUG,"Size of extmodes vector is %d",EMode.size());
227 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
229 if ((i->modechar == modechar) && (i->type == type) && (i->list == true))
237 bool ModeDefinedOper(char modechar, int type)
239 log(DEBUG,"Size of extmodes vector is %d",EMode.size());
240 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
242 if ((i->modechar == modechar) && (i->type == type) && (i->needsoper == true))
250 // returns number of parameters for a custom mode when it is switched on
251 int ModeDefinedOn(char modechar, int type)
253 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
255 if ((i->modechar == modechar) && (i->type == type))
257 return i->params_when_on;
263 // returns number of parameters for a custom mode when it is switched on
264 int ModeDefinedOff(char modechar, int type)
266 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
268 if ((i->modechar == modechar) && (i->type == type))
270 return i->params_when_off;
276 // returns true if an extended mode character is in use
277 bool DoAddExtendedMode(char modechar, int type, bool requires_oper, int params_on, int params_off)
279 if (ModeDefined(modechar,type)) {
282 EMode.push_back(ExtMode(modechar,type,requires_oper,params_on,params_off));
286 // turns a mode into a listmode
287 void ModeMakeList(char modechar)
289 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
291 if ((i->modechar == modechar) && (i->type == MT_CHANNEL))
300 // version is a simple class for holding a modules version number
302 Version::Version(int major, int minor, int revision, int build, int flags) : Major(major), Minor(minor), Revision(revision), Build(build), Flags(flags) { };
304 // admin is a simple class for holding a server's administrative info
306 Admin::Admin(std::string name, std::string email, std::string nick) : Name(name), Email(email), Nick(nick) { };
308 Request::Request(char* anydata, Module* src, Module* dst) : data(anydata), source(src), dest(dst) { };
310 char* Request::GetData()
315 Module* Request::GetSource()
320 Module* Request::GetDest()
325 char* Request::Send()
329 return dest->OnRequest(this);
337 Event::Event(char* anydata, Module* src, std::string eventid) : data(anydata), source(src), id(eventid) { };
339 char* Event::GetData()
344 Module* Event::GetSource()
351 FOREACH_MOD OnEvent(this);
355 std::string Event::GetEventID()
362 Module::~Module() { }
363 void Module::OnUserConnect(userrec* user) { }
364 void Module::OnUserQuit(userrec* user) { }
365 void Module::OnUserDisconnect(userrec* user) { }
366 void Module::OnUserJoin(userrec* user, chanrec* channel) { }
367 void Module::OnUserPart(userrec* user, chanrec* channel) { }
368 void Module::OnPacketTransmit(std::string &data, std::string serv) { }
369 void Module::OnPacketReceive(std::string &data, std::string serv) { }
370 void Module::OnRehash() { }
371 void Module::OnServerRaw(std::string &raw, bool inbound, userrec* user) { }
372 int Module::OnUserPreJoin(userrec* user, chanrec* chan, const char* cname) { return 0; }
373 int Module::OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms) { return false; }
374 Version Module::GetVersion() { return Version(1,0,0,0,VF_VENDOR); }
375 void Module::OnOper(userrec* user) { };
376 void Module::OnInfo(userrec* user) { };
377 void Module::OnWhois(userrec* source, userrec* dest) { };
378 int Module::OnUserPreInvite(userrec* source,userrec* dest,chanrec* channel) { return 0; };
379 int Module::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text) { return 0; };
380 int Module::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text) { return 0; };
381 int Module::OnUserPreNick(userrec* user, std::string newnick) { return 0; };
382 void Module::OnUserPostNick(userrec* user, std::string oldnick) { };
383 int Module::OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type) { return ACR_DEFAULT; };
384 string_list Module::OnUserSync(userrec* user) { string_list empty; return empty; }
385 string_list Module::OnChannelSync(chanrec* chan) { string_list empty; return empty; }
386 void Module::On005Numeric(std::string &output) { };
387 int Module::OnKill(userrec* source, userrec* dest, std::string reason) { return 0; };
388 void Module::OnLoadModule(Module* mod,std::string name) { };
389 void Module::OnBackgroundTimer(time_t curtime) { };
390 void Module::OnSendList(userrec* user, chanrec* channel, char mode) { };
391 int Module::OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user) { return 0; };
392 bool Module::OnCheckReady(userrec* user) { return true; };
393 void Module::OnUserRegister(userrec* user) { };
394 int Module::OnUserPreKick(userrec* source, userrec* user, chanrec* chan, std::string reason) { return 0; };
395 void Module::OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason) { };
396 int Module::OnRawMode(userrec* user, chanrec* chan, char mode, std::string param, bool adding, int pcnt) { return 0; };
397 int Module::OnCheckInvite(userrec* user, chanrec* chan) { return 0; };
398 int Module::OnCheckKey(userrec* user, chanrec* chan, std::string keygiven) { return 0; };
399 int Module::OnCheckLimit(userrec* user, chanrec* chan) { return 0; };
400 int Module::OnCheckBan(userrec* user, chanrec* chan) { return 0; };
401 void Module::OnStats(char symbol) { };
402 int Module::OnChangeLocalUserHost(userrec* user, std::string newhost) { return 0; };
403 int Module::OnChangeLocalUserGECOS(userrec* user, std::string newhost) { return 0; };
404 int Module::OnLocalTopicChange(userrec* user, chanrec* chan, std::string topic) { return 0; };
405 int Module::OnMeshToken(char token,string_list params,serverrec* source,serverrec* reply, std::string tcp_host,std::string ipaddr,int port) { return 0; };
406 void Module::OnEvent(Event* event) { return; };
407 char* Module::OnRequest(Request* request) { return NULL; };
410 // server is a wrapper class that provides methods to all of the C-style
411 // exports in the core
422 void Server::SendOpers(std::string s)
424 WriteOpers("%s",s.c_str());
427 bool Server::MatchText(std::string sliteral, std::string spattern)
429 char literal[MAXBUF],pattern[MAXBUF];
430 strlcpy(literal,sliteral.c_str(),MAXBUF);
431 strlcpy(pattern,spattern.c_str(),MAXBUF);
432 return match(literal,pattern);
435 void Server::SendToModeMask(std::string modes, int flags, std::string text)
437 WriteMode(modes.c_str(),flags,"%s",text.c_str());
440 chanrec* Server::JoinUserToChannel(userrec* user, std::string cname, std::string key)
442 return add_channel(user,cname.c_str(),key.c_str(),true);
445 chanrec* Server::PartUserFromChannel(userrec* user, std::string cname, std::string reason)
447 return del_channel(user,cname.c_str(),reason.c_str(),false);
450 chanuserlist Server::GetUsers(chanrec* chan)
454 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
458 if (has_channel(i->second,chan))
460 if (isnick(i->second->nick))
462 userl.push_back(i->second);
469 void Server::ChangeUserNick(userrec* user, std::string nickname)
471 force_nickchange(user,nickname.c_str());
474 void Server::QuitUser(userrec* user, std::string reason)
476 send_network_quit(user->nick,reason.c_str());
477 kill_link(user,reason.c_str());
480 bool Server::IsUlined(std::string server)
482 return is_uline(server.c_str());
485 void Server::CallCommandHandler(std::string commandname, char** parameters, int pcnt, userrec* user)
487 call_handler(commandname.c_str(),parameters,pcnt,user);
490 void Server::Log(int level, std::string s)
492 log(level,"%s",s.c_str());
495 void Server::AddCommand(char* cmd, handlerfunc f, char flags, int minparams, char* source)
497 createcommand(cmd,f,flags,minparams,source);
500 void Server::SendMode(char **parameters, int pcnt, userrec *user)
502 server_mode(parameters,pcnt,user);
505 void Server::Send(int Socket, std::string s)
507 Write(Socket,"%s",s.c_str());
510 void Server::SendServ(int Socket, std::string s)
512 WriteServ(Socket,"%s",s.c_str());
515 void Server::SendFrom(int Socket, userrec* User, std::string s)
517 WriteFrom(Socket,User,"%s",s.c_str());
520 void Server::SendTo(userrec* Source, userrec* Dest, std::string s)
524 // if source is NULL, then the message originates from the local server
525 Write(Dest->fd,":%s %s",this->GetServerName().c_str(),s.c_str());
529 // otherwise it comes from the user specified
530 WriteTo(Source,Dest,"%s",s.c_str());
534 void Server::SendChannel(userrec* User, chanrec* Channel, std::string s,bool IncludeSender)
538 WriteChannel(Channel,User,"%s",s.c_str());
542 ChanExceptSender(Channel,User,"%s",s.c_str());
546 bool Server::CommonChannels(userrec* u1, userrec* u2)
548 return (common_channels(u1,u2) != 0);
551 void Server::SendCommon(userrec* User, std::string text,bool IncludeSender)
555 WriteCommon(User,"%s",text.c_str());
559 WriteCommonExcept(User,"%s",text.c_str());
563 void Server::SendWallops(userrec* User, std::string text)
565 WriteWallOps(User,false,"%s",text.c_str());
568 void Server::ChangeHost(userrec* user, std::string host)
570 ChangeDisplayedHost(user,host.c_str());
573 void Server::ChangeGECOS(userrec* user, std::string gecos)
575 ChangeName(user,gecos.c_str());
578 bool Server::IsNick(std::string nick)
580 return (isnick(nick.c_str()) != 0);
583 userrec* Server::FindNick(std::string nick)
588 chanrec* Server::FindChannel(std::string channel)
590 return FindChan(channel.c_str());
593 std::string Server::ChanMode(userrec* User, chanrec* Chan)
595 return cmode(User,Chan);
598 bool Server::IsOnChannel(userrec* User, chanrec* Chan)
600 return has_channel(User,Chan);
603 std::string Server::GetServerName()
605 return getservername();
608 std::string Server::GetNetworkName()
610 return getnetworkname();
613 Admin Server::GetAdmin()
615 return Admin(getadminname(),getadminemail(),getadminnick());
620 bool Server::AddExtendedMode(char modechar, int type, bool requires_oper, int params_when_on, int params_when_off)
622 if (type == MT_SERVER)
624 log(DEBUG,"*** API ERROR *** Modes of type MT_SERVER are reserved for future expansion");
627 if (((params_when_on>0) || (params_when_off>0)) && (type == MT_CLIENT))
629 log(DEBUG,"*** API ERROR *** Parameters on MT_CLIENT modes are not supported");
632 if ((params_when_on>1) || (params_when_off>1))
634 log(DEBUG,"*** API ERROR *** More than one parameter for an MT_CHANNEL mode is not yet supported");
637 return DoAddExtendedMode(modechar,type,requires_oper,params_when_on,params_when_off);
640 bool Server::AddExtendedListMode(char modechar)
642 bool res = DoAddExtendedMode(modechar,MT_CHANNEL,false,1,1);
644 ModeMakeList(modechar);
648 int Server::CountUsers(chanrec* c)
654 bool Server::UserToPseudo(userrec* user,std::string message)
656 unsigned int old_fd = user->fd;
657 user->fd = FD_MAGIC_NUMBER;
658 Write(old_fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,message.c_str());
663 bool Server::PseudoToUser(userrec* alive,userrec* zombie,std::string message)
665 zombie->fd = alive->fd;
666 alive->fd = FD_MAGIC_NUMBER;
667 Write(zombie->fd,":%s!%s@%s NICK %s",alive->nick,alive->ident,alive->host,zombie->nick);
668 kill_link(alive,message.c_str());
669 for (int i = 0; i != MAXCHANS; i++)
671 if (zombie->chans[i].channel != NULL)
673 if (zombie->chans[i].channel->name)
675 chanrec* Ptr = zombie->chans[i].channel;
676 WriteFrom(zombie->fd,zombie,"JOIN %s",Ptr->name);
679 WriteServ(zombie->fd,"332 %s %s :%s", zombie->nick, Ptr->name, Ptr->topic);
680 WriteServ(zombie->fd,"333 %s %s %s %d", zombie->nick, Ptr->name, Ptr->setby, Ptr->topicset);
682 userlist(zombie,Ptr);
683 WriteServ(zombie->fd,"366 %s %s :End of /NAMES list.", zombie->nick, Ptr->name);
684 //WriteServ(zombie->fd,"324 %s %s +%s",zombie->nick, Ptr->name,chanmodes(Ptr));
685 //WriteServ(zombie->fd,"329 %s %s %d", zombie->nick, Ptr->name, Ptr->created);
693 void Server::AddGLine(long duration, std::string source, std::string reason, std::string hostmask)
695 add_gline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
698 void Server::AddQLine(long duration, std::string source, std::string reason, std::string nickname)
700 add_qline(duration, source.c_str(), reason.c_str(), nickname.c_str());
703 void Server::AddZLine(long duration, std::string source, std::string reason, std::string ipaddr)
705 add_zline(duration, source.c_str(), reason.c_str(), ipaddr.c_str());
708 void Server::AddKLine(long duration, std::string source, std::string reason, std::string hostmask)
710 add_kline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
713 void Server::AddELine(long duration, std::string source, std::string reason, std::string hostmask)
715 add_eline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
718 bool Server::DelGLine(std::string hostmask)
720 del_gline(hostmask.c_str());
723 bool Server::DelQLine(std::string nickname)
725 del_qline(nickname.c_str());
728 bool Server::DelZLine(std::string ipaddr)
730 del_zline(ipaddr.c_str());
733 bool Server::DelKLine(std::string hostmask)
735 del_kline(hostmask.c_str());
738 bool Server::DelELine(std::string hostmask)
740 del_eline(hostmask.c_str());
743 long Server::CalcDuration(std::string delta)
745 return duration(delta.c_str());
748 bool Server::IsValidMask(std::string mask)
750 const char* dest = mask.c_str();
751 if (strchr(dest,'!')==0)
753 if (strchr(dest,'@')==0)
755 for (int i = 0; i < strlen(dest); i++)
758 for (int i = 0; i < strlen(dest); i++)
762 for (int i = 0; i < strlen(dest); i++)
768 for (int i = 0; i < strlen(dest); i++)
777 void Server::MeshSendAll(std::string text)
779 NetSendToAll((char*)text.c_str());
782 void Server::MeshSendCommon(userrec* user, std::string text)
785 NetSendToCommon(user,(char*)text.c_str());
788 void Server::MeshSendAllAlive(std::string text)
790 NetSendToAllAlive((char*)text.c_str());
793 void Server::MeshSendUnicast(std::string destination, std::string text)
795 NetSendToOne((char*)destination.c_str(),(char*)text.c_str());
798 void Server::MeshSendAllExcept(std::string target, std::string text)
800 NetSendToAllExcept(target.c_str(),(char*)text.c_str());
803 bool Server::MeshCheckChan(chanrec *c,std::string servername)
807 return ChanAnyOnThisServer(c,(char*)servername.c_str());
812 bool Server::MeshCheckCommon(userrec* u,std::string servername)
816 return CommonOnThisServer(u,(char*)servername.c_str());
821 Module* Server::FindModule(std::string name)
823 for (int i = 0; i <= MODCOUNT; i++)
825 if (module_names[i] == name)
833 ConfigReader::ConfigReader()
835 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
836 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
837 this->readerror = LoadConf(CONFIG_FILE,this->cache,this->errorlog);
838 if (!this->readerror)
839 this->error = CONF_FILE_NOT_FOUND;
843 ConfigReader::~ConfigReader()
848 delete this->errorlog;
852 ConfigReader::ConfigReader(std::string filename)
854 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
855 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
856 this->readerror = LoadConf(filename.c_str(),this->cache,this->errorlog);
857 if (!this->readerror)
858 this->error = CONF_FILE_NOT_FOUND;
861 std::string ConfigReader::ReadValue(std::string tag, std::string name, int index)
866 strlcpy(t,tag.c_str(),MAXBUF);
867 strlcpy(n,name.c_str(),MAXBUF);
868 int res = ReadConf(cache,t,n,index,val);
871 this->error = CONF_VALUE_NOT_FOUND;
874 return std::string(val);
877 bool ConfigReader::ReadFlag(std::string tag, std::string name, int index)
882 strlcpy(t,tag.c_str(),MAXBUF);
883 strlcpy(n,name.c_str(),MAXBUF);
884 int res = ReadConf(cache,t,n,index,val);
887 this->error = CONF_VALUE_NOT_FOUND;
891 return ((s == "yes") || (s == "YES") || (s == "true") || (s == "TRUE") || (s == "1"));
894 long ConfigReader::ReadInteger(std::string tag, std::string name, int index, bool needs_unsigned)
899 strlcpy(t,tag.c_str(),MAXBUF);
900 strlcpy(n,name.c_str(),MAXBUF);
901 int res = ReadConf(cache,t,n,index,val);
904 this->error = CONF_VALUE_NOT_FOUND;
907 for (int i = 0; i < strlen(val); i++)
909 if (!isdigit(val[i]))
911 this->error = CONF_NOT_A_NUMBER;
915 if ((needs_unsigned) && (atoi(val)<0))
917 this->error = CONF_NOT_UNSIGNED;
923 long ConfigReader::GetError()
925 long olderr = this->error;
930 void ConfigReader::DumpErrors(bool bail, userrec* user)
934 printf("There were errors in your configuration:\n%s",errorlog->str().c_str());
942 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
943 while (!errorlog->eof())
945 errorlog->getline(dataline,1024);
946 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
951 WriteOpers("There were errors in the configuration file:",user->nick);
952 while (!errorlog->eof())
954 errorlog->getline(dataline,1024);
955 WriteOpers(dataline);
963 int ConfigReader::Enumerate(std::string tag)
965 return EnumConf(cache,tag.c_str());
968 int ConfigReader::EnumerateValues(std::string tag, int index)
970 return EnumValues(cache, tag.c_str(), index);
973 bool ConfigReader::Verify()
975 return this->readerror;
979 FileReader::FileReader(std::string filename)
982 readfile(c,filename.c_str());
986 FileReader::FileReader()
990 void FileReader::LoadFile(std::string filename)
993 readfile(c,filename.c_str());
998 FileReader::~FileReader()
1002 bool FileReader::Exists()
1014 std::string FileReader::GetLine(int x)
1016 if ((x<0) || (x>fc.size()))
1021 int FileReader::FileSize()
1027 std::vector<Module*> modules(255);
1028 std::vector<ircd_module*> factory(255);