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"
22 #include <sys/errno.h>
24 #include <sys/types.h>
25 #include <sys/event.h>
31 #include <ext/hash_map>
39 #include "connection.h"
51 #include "inspstring.h"
52 #include "helperfuncs.h"
62 extern std::vector<Module*> modules;
63 extern std::vector<ircd_module*> factory;
68 extern char ServerName[MAXBUF];
69 extern char Network[MAXBUF];
70 extern char ServerDesc[MAXBUF];
71 extern char AdminName[MAXBUF];
72 extern char AdminEmail[MAXBUF];
73 extern char AdminNick[MAXBUF];
74 extern char diepass[MAXBUF];
75 extern char restartpass[MAXBUF];
76 extern char motd[MAXBUF];
77 extern char rules[MAXBUF];
78 extern char list[MAXBUF];
79 extern char PrefixQuit[MAXBUF];
80 extern char DieValue[MAXBUF];
83 extern int WHOWAS_STALE;
84 extern int WHOWAS_MAX;
86 extern time_t startup_time;
87 extern int NetBufferSize;
88 extern int MaxWhoResults;
89 extern time_t nb_start;
91 extern std::vector<int> fd_reap;
92 extern std::vector<std::string> module_names;
94 extern int boundPortCount;
96 extern int SERVERportCount;
97 extern int ports[MAXSOCKS];
98 extern int defaultRoute;
100 extern std::vector<long> auth_cookies;
101 extern std::stringstream config_f;
103 extern serverrec* me[32];
105 extern FILE *log_file;
107 extern userrec* fd_ref_table[65536];
109 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
110 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
111 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
112 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
113 typedef std::deque<command_t> command_table;
116 extern user_hash clientlist;
117 extern chan_hash chanlist;
118 extern whowas_hash whowas;
119 extern command_table cmdlist;
120 extern file_cache MOTD;
121 extern file_cache RULES;
122 extern address_cache IP;
125 // class type for holding an extended mode character - internal to core
127 class ExtMode : public classbase
136 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) { };
139 typedef std::vector<ExtMode> ExtModeList;
140 typedef ExtModeList::iterator ExtModeListIter;
145 // returns true if an extended mode character is in use
146 bool ModeDefined(char modechar, int type)
148 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
150 if ((i->modechar == modechar) && (i->type == type))
158 bool ModeIsListMode(char modechar, int type)
160 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
162 if ((i->modechar == modechar) && (i->type == type) && (i->list == true))
170 bool ModeDefinedOper(char modechar, int type)
172 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
174 if ((i->modechar == modechar) && (i->type == type) && (i->needsoper == true))
182 // returns number of parameters for a custom mode when it is switched on
183 int ModeDefinedOn(char modechar, int type)
185 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
187 if ((i->modechar == modechar) && (i->type == type))
189 return i->params_when_on;
195 // returns number of parameters for a custom mode when it is switched on
196 int ModeDefinedOff(char modechar, int type)
198 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
200 if ((i->modechar == modechar) && (i->type == type))
202 return i->params_when_off;
208 // returns true if an extended mode character is in use
209 bool DoAddExtendedMode(char modechar, int type, bool requires_oper, int params_on, int params_off)
211 if (ModeDefined(modechar,type)) {
214 EMode.push_back(ExtMode(modechar,type,requires_oper,params_on,params_off));
218 // turns a mode into a listmode
219 void ModeMakeList(char modechar)
221 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
223 if ((i->modechar == modechar) && (i->type == MT_CHANNEL))
232 // version is a simple class for holding a modules version number
234 Version::Version(int major, int minor, int revision, int build, int flags) : Major(major), Minor(minor), Revision(revision), Build(build), Flags(flags) { };
236 // admin is a simple class for holding a server's administrative info
238 Admin::Admin(std::string name, std::string email, std::string nick) : Name(name), Email(email), Nick(nick) { };
240 Request::Request(char* anydata, Module* src, Module* dst) : data(anydata), source(src), dest(dst) { };
242 char* Request::GetData()
247 Module* Request::GetSource()
252 Module* Request::GetDest()
257 char* Request::Send()
261 return dest->OnRequest(this);
269 Event::Event(char* anydata, Module* src, std::string eventid) : data(anydata), source(src), id(eventid) { };
271 char* Event::GetData()
276 Module* Event::GetSource()
283 FOREACH_MOD OnEvent(this);
287 std::string Event::GetEventID()
293 // These declarations define the behavours of the base class Module (which does nothing at all)
295 Module::~Module() { }
296 void Module::OnUserConnect(userrec* user) { }
297 void Module::OnUserQuit(userrec* user) { }
298 void Module::OnUserDisconnect(userrec* user) { }
299 void Module::OnUserJoin(userrec* user, chanrec* channel) { }
300 void Module::OnUserPart(userrec* user, chanrec* channel) { }
301 void Module::OnPacketTransmit(std::string &data, std::string serv) { }
302 void Module::OnPacketReceive(std::string &data, std::string serv) { }
303 void Module::OnRehash() { }
304 void Module::OnServerRaw(std::string &raw, bool inbound, userrec* user) { }
305 int Module::OnUserPreJoin(userrec* user, chanrec* chan, const char* cname) { return 0; }
306 int Module::OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms) { return false; }
307 Version Module::GetVersion() { return Version(1,0,0,0,VF_VENDOR); }
308 void Module::OnOper(userrec* user) { };
309 void Module::OnInfo(userrec* user) { };
310 void Module::OnWhois(userrec* source, userrec* dest) { };
311 int Module::OnUserPreInvite(userrec* source,userrec* dest,chanrec* channel) { return 0; };
312 int Module::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text) { return 0; };
313 int Module::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text) { return 0; };
314 int Module::OnUserPreNick(userrec* user, std::string newnick) { return 0; };
315 void Module::OnUserPostNick(userrec* user, std::string oldnick) { };
316 int Module::OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type) { return ACR_DEFAULT; };
317 string_list Module::OnUserSync(userrec* user) { string_list empty; return empty; }
318 string_list Module::OnChannelSync(chanrec* chan) { string_list empty; return empty; }
319 void Module::On005Numeric(std::string &output) { };
320 int Module::OnKill(userrec* source, userrec* dest, std::string reason) { return 0; };
321 void Module::OnLoadModule(Module* mod,std::string name) { };
322 void Module::OnBackgroundTimer(time_t curtime) { };
323 void Module::OnSendList(userrec* user, chanrec* channel, char mode) { };
324 int Module::OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user) { return 0; };
325 bool Module::OnCheckReady(userrec* user) { return true; };
326 void Module::OnUserRegister(userrec* user) { };
327 int Module::OnUserPreKick(userrec* source, userrec* user, chanrec* chan, std::string reason) { return 0; };
328 void Module::OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason) { };
329 int Module::OnRawMode(userrec* user, chanrec* chan, char mode, std::string param, bool adding, int pcnt) { return 0; };
330 int Module::OnCheckInvite(userrec* user, chanrec* chan) { return 0; };
331 int Module::OnCheckKey(userrec* user, chanrec* chan, std::string keygiven) { return 0; };
332 int Module::OnCheckLimit(userrec* user, chanrec* chan) { return 0; };
333 int Module::OnCheckBan(userrec* user, chanrec* chan) { return 0; };
334 void Module::OnStats(char symbol) { };
335 int Module::OnChangeLocalUserHost(userrec* user, std::string newhost) { return 0; };
336 int Module::OnChangeLocalUserGECOS(userrec* user, std::string newhost) { return 0; };
337 int Module::OnLocalTopicChange(userrec* user, chanrec* chan, std::string topic) { return 0; };
338 int Module::OnMeshToken(char token,string_list params,serverrec* source,serverrec* reply, std::string tcp_host,std::string ipaddr,int port) { return 0; };
339 void Module::OnEvent(Event* event) { return; };
340 char* Module::OnRequest(Request* request) { return NULL; };
341 int Module::OnOperCompare(std::string password, std::string input) { return 0; };
342 void Module::OnGlobalOper(userrec* user) { };
343 void Module::OnGlobalConnect(userrec* user) { };
344 int Module::OnAddBan(userrec* source, chanrec* channel,std::string banmask) { return 0; };
345 int Module::OnDelBan(userrec* source, chanrec* channel,std::string banmask) { return 0; };
346 void Module::OnRawSocketAccept(int fd, std::string ip, int localport) { };
347 int Module::OnRawSocketWrite(int fd, char* buffer, int count) { return 0; };
348 void Module::OnRawSocketClose(int fd) { };
349 int Module::OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult) { return 0; };
351 // server is a wrapper class that provides methods to all of the C-style
352 // exports in the core
363 void Server::SendOpers(std::string s)
365 WriteOpers("%s",s.c_str());
368 bool Server::MatchText(std::string sliteral, std::string spattern)
370 char literal[MAXBUF],pattern[MAXBUF];
371 strlcpy(literal,sliteral.c_str(),MAXBUF);
372 strlcpy(pattern,spattern.c_str(),MAXBUF);
373 return match(literal,pattern);
376 void Server::SendToModeMask(std::string modes, int flags, std::string text)
378 WriteMode(modes.c_str(),flags,"%s",text.c_str());
381 chanrec* Server::JoinUserToChannel(userrec* user, std::string cname, std::string key)
383 return add_channel(user,cname.c_str(),key.c_str(),false);
386 chanrec* Server::PartUserFromChannel(userrec* user, std::string cname, std::string reason)
388 return del_channel(user,cname.c_str(),reason.c_str(),false);
391 chanuserlist Server::GetUsers(chanrec* chan)
395 std::vector<char*> *list = chan->GetUsers();
396 for (std::vector<char*>::iterator i = list->begin(); i != list->end(); i++)
399 userl.push_back((userrec*)o);
403 void Server::ChangeUserNick(userrec* user, std::string nickname)
405 force_nickchange(user,nickname.c_str());
408 void Server::QuitUser(userrec* user, std::string reason)
410 kill_link(user,reason.c_str());
413 bool Server::IsUlined(std::string server)
415 return is_uline(server.c_str());
418 void Server::CallCommandHandler(std::string commandname, char** parameters, int pcnt, userrec* user)
420 call_handler(commandname.c_str(),parameters,pcnt,user);
423 void Server::Log(int level, std::string s)
425 log(level,"%s",s.c_str());
428 void Server::AddCommand(char* cmd, handlerfunc f, char flags, int minparams, char* source)
430 createcommand(cmd,f,flags,minparams,source);
433 void Server::SendMode(char **parameters, int pcnt, userrec *user)
435 server_mode(parameters,pcnt,user);
438 void Server::Send(int Socket, std::string s)
440 Write(Socket,"%s",s.c_str());
443 void Server::SendServ(int Socket, std::string s)
445 WriteServ(Socket,"%s",s.c_str());
448 void Server::SendFrom(int Socket, userrec* User, std::string s)
450 WriteFrom(Socket,User,"%s",s.c_str());
453 void Server::SendTo(userrec* Source, userrec* Dest, std::string s)
457 // if source is NULL, then the message originates from the local server
458 Write(Dest->fd,":%s %s",this->GetServerName().c_str(),s.c_str());
462 // otherwise it comes from the user specified
463 WriteTo(Source,Dest,"%s",s.c_str());
467 void Server::SendChannelServerNotice(std::string ServName, chanrec* Channel, std::string text)
469 WriteChannelWithServ((char*)ServName.c_str(), Channel, "%s", text.c_str());
472 void Server::SendChannel(userrec* User, chanrec* Channel, std::string s,bool IncludeSender)
476 WriteChannel(Channel,User,"%s",s.c_str());
480 ChanExceptSender(Channel,User,"%s",s.c_str());
484 bool Server::CommonChannels(userrec* u1, userrec* u2)
486 return (common_channels(u1,u2) != 0);
489 void Server::SendCommon(userrec* User, std::string text,bool IncludeSender)
493 WriteCommon(User,"%s",text.c_str());
497 WriteCommonExcept(User,"%s",text.c_str());
501 void Server::SendWallops(userrec* User, std::string text)
503 WriteWallOps(User,false,"%s",text.c_str());
506 void Server::ChangeHost(userrec* user, std::string host)
508 ChangeDisplayedHost(user,host.c_str());
511 void Server::ChangeGECOS(userrec* user, std::string gecos)
513 ChangeName(user,gecos.c_str());
516 bool Server::IsNick(std::string nick)
518 return (isnick(nick.c_str()) != 0);
521 userrec* Server::FindNick(std::string nick)
526 userrec* Server::FindDescriptor(int socket)
528 return (socket < 65536 ? fd_ref_table[socket] : NULL);
531 chanrec* Server::FindChannel(std::string channel)
533 return FindChan(channel.c_str());
536 std::string Server::ChanMode(userrec* User, chanrec* Chan)
538 return cmode(User,Chan);
541 bool Server::IsOnChannel(userrec* User, chanrec* Chan)
543 return has_channel(User,Chan);
546 std::string Server::GetServerName()
548 return getservername();
551 std::string Server::GetNetworkName()
553 return getnetworkname();
556 std::string Server::GetServerDescription()
558 return getserverdesc();
561 Admin Server::GetAdmin()
563 return Admin(getadminname(),getadminemail(),getadminnick());
568 bool Server::AddExtendedMode(char modechar, int type, bool requires_oper, int params_when_on, int params_when_off)
570 if (((modechar >= 'A') && (modechar <= 'Z')) || ((modechar >= 'a') && (modechar <= 'z')))
572 if (type == MT_SERVER)
574 log(DEBUG,"*** API ERROR *** Modes of type MT_SERVER are reserved for future expansion");
577 if (((params_when_on>0) || (params_when_off>0)) && (type == MT_CLIENT))
579 log(DEBUG,"*** API ERROR *** Parameters on MT_CLIENT modes are not supported");
582 if ((params_when_on>1) || (params_when_off>1))
584 log(DEBUG,"*** API ERROR *** More than one parameter for an MT_CHANNEL mode is not yet supported");
587 return DoAddExtendedMode(modechar,type,requires_oper,params_when_on,params_when_off);
591 log(DEBUG,"*** API ERROR *** Muppet modechar detected.");
596 bool Server::AddExtendedListMode(char modechar)
598 bool res = DoAddExtendedMode(modechar,MT_CHANNEL,false,1,1);
600 ModeMakeList(modechar);
604 int Server::CountUsers(chanrec* c)
610 bool Server::UserToPseudo(userrec* user,std::string message)
612 unsigned int old_fd = user->fd;
613 user->fd = FD_MAGIC_NUMBER;
615 Write(old_fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,message.c_str());
618 EV_SET(&ke, old_fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
619 int i = kevent(kq, &ke, 1, 0, 0, NULL);
622 log(DEBUG,"kqueue: Failed to remove user from queue!");
629 bool Server::PseudoToUser(userrec* alive,userrec* zombie,std::string message)
631 zombie->fd = alive->fd;
632 alive->fd = FD_MAGIC_NUMBER;
633 alive->ClearBuffer();
634 Write(zombie->fd,":%s!%s@%s NICK %s",alive->nick,alive->ident,alive->host,zombie->nick);
635 kill_link(alive,message.c_str());
636 fd_ref_table[zombie->fd] = zombie;
637 for (int i = 0; i != MAXCHANS; i++)
639 if (zombie->chans[i].channel != NULL)
641 if (zombie->chans[i].channel->name)
643 chanrec* Ptr = zombie->chans[i].channel;
644 WriteFrom(zombie->fd,zombie,"JOIN %s",Ptr->name);
647 WriteServ(zombie->fd,"332 %s %s :%s", zombie->nick, Ptr->name, Ptr->topic);
648 WriteServ(zombie->fd,"333 %s %s %s %d", zombie->nick, Ptr->name, Ptr->setby, Ptr->topicset);
650 userlist(zombie,Ptr);
651 WriteServ(zombie->fd,"366 %s %s :End of /NAMES list.", zombie->nick, Ptr->name);
659 void Server::AddGLine(long duration, std::string source, std::string reason, std::string hostmask)
661 add_gline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
664 void Server::AddQLine(long duration, std::string source, std::string reason, std::string nickname)
666 add_qline(duration, source.c_str(), reason.c_str(), nickname.c_str());
669 void Server::AddZLine(long duration, std::string source, std::string reason, std::string ipaddr)
671 add_zline(duration, source.c_str(), reason.c_str(), ipaddr.c_str());
674 void Server::AddKLine(long duration, std::string source, std::string reason, std::string hostmask)
676 add_kline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
679 void Server::AddELine(long duration, std::string source, std::string reason, std::string hostmask)
681 add_eline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
684 bool Server::DelGLine(std::string hostmask)
686 del_gline(hostmask.c_str());
689 bool Server::DelQLine(std::string nickname)
691 del_qline(nickname.c_str());
694 bool Server::DelZLine(std::string ipaddr)
696 del_zline(ipaddr.c_str());
699 bool Server::DelKLine(std::string hostmask)
701 del_kline(hostmask.c_str());
704 bool Server::DelELine(std::string hostmask)
706 del_eline(hostmask.c_str());
709 long Server::CalcDuration(std::string delta)
711 return duration(delta.c_str());
714 bool Server::IsValidMask(std::string mask)
716 const char* dest = mask.c_str();
717 if (strchr(dest,'!')==0)
719 if (strchr(dest,'@')==0)
721 for (int i = 0; i < strlen(dest); i++)
724 for (int i = 0; i < strlen(dest); i++)
728 for (int i = 0; i < strlen(dest); i++)
734 for (int i = 0; i < strlen(dest); i++)
743 void Server::MeshSendAll(std::string text)
745 NetSendToAll((char*)text.c_str());
748 void Server::MeshSendCommon(userrec* user, std::string text)
751 NetSendToCommon(user,(char*)text.c_str());
754 void Server::MeshSendAllAlive(std::string text)
756 NetSendToAllAlive((char*)text.c_str());
759 void Server::MeshSendUnicast(std::string destination, std::string text)
761 NetSendToOne((char*)destination.c_str(),(char*)text.c_str());
764 void Server::MeshSendAllExcept(std::string target, std::string text)
766 NetSendToAllExcept(target.c_str(),(char*)text.c_str());
769 bool Server::MeshCheckChan(chanrec *c,std::string servername)
773 return ChanAnyOnThisServer(c,(char*)servername.c_str());
778 bool Server::MeshCheckCommon(userrec* u,std::string servername)
782 return CommonOnThisServer(u,(char*)servername.c_str());
787 Module* Server::FindModule(std::string name)
789 for (int i = 0; i <= MODCOUNT; i++)
791 if (module_names[i] == name)
799 ConfigReader::ConfigReader()
801 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
802 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
803 this->readerror = LoadConf(CONFIG_FILE,this->cache,this->errorlog);
804 if (!this->readerror)
805 this->error = CONF_FILE_NOT_FOUND;
809 ConfigReader::~ConfigReader()
814 delete this->errorlog;
818 ConfigReader::ConfigReader(std::string filename)
820 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
821 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
822 this->readerror = LoadConf(filename.c_str(),this->cache,this->errorlog);
823 if (!this->readerror)
824 this->error = CONF_FILE_NOT_FOUND;
827 std::string ConfigReader::ReadValue(std::string tag, std::string name, int index)
832 strlcpy(t,tag.c_str(),MAXBUF);
833 strlcpy(n,name.c_str(),MAXBUF);
834 int res = ReadConf(cache,t,n,index,val);
837 this->error = CONF_VALUE_NOT_FOUND;
843 bool ConfigReader::ReadFlag(std::string tag, std::string name, int index)
848 strlcpy(t,tag.c_str(),MAXBUF);
849 strlcpy(n,name.c_str(),MAXBUF);
850 int res = ReadConf(cache,t,n,index,val);
853 this->error = CONF_VALUE_NOT_FOUND;
857 return ((s == "yes") || (s == "YES") || (s == "true") || (s == "TRUE") || (s == "1"));
860 long ConfigReader::ReadInteger(std::string tag, std::string name, int index, bool needs_unsigned)
865 strlcpy(t,tag.c_str(),MAXBUF);
866 strlcpy(n,name.c_str(),MAXBUF);
867 int res = ReadConf(cache,t,n,index,val);
870 this->error = CONF_VALUE_NOT_FOUND;
873 for (int i = 0; i < strlen(val); i++)
875 if (!isdigit(val[i]))
877 this->error = CONF_NOT_A_NUMBER;
881 if ((needs_unsigned) && (atoi(val)<0))
883 this->error = CONF_NOT_UNSIGNED;
889 long ConfigReader::GetError()
891 long olderr = this->error;
896 void ConfigReader::DumpErrors(bool bail, userrec* user)
900 printf("There were errors in your configuration:\n%s",errorlog->str().c_str());
908 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
909 while (!errorlog->eof())
911 errorlog->getline(dataline,1024);
912 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
917 WriteOpers("There were errors in the configuration file:",user->nick);
918 while (!errorlog->eof())
920 errorlog->getline(dataline,1024);
921 WriteOpers(dataline);
929 int ConfigReader::Enumerate(std::string tag)
931 return EnumConf(cache,tag.c_str());
934 int ConfigReader::EnumerateValues(std::string tag, int index)
936 return EnumValues(cache, tag.c_str(), index);
939 bool ConfigReader::Verify()
941 return this->readerror;
945 FileReader::FileReader(std::string filename)
948 readfile(c,filename.c_str());
952 FileReader::FileReader()
956 void FileReader::LoadFile(std::string filename)
959 readfile(c,filename.c_str());
964 FileReader::~FileReader()
968 bool FileReader::Exists()
980 std::string FileReader::GetLine(int x)
982 if ((x<0) || (x>fc.size()))
987 int FileReader::FileSize()
993 std::vector<Module*> modules(255);
994 std::vector<ircd_module*> factory(255);