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);
151 return (strcasecmp(a,b) == 0);
156 struct InAddr_HashComp
159 bool operator()(const in_addr &s1, const in_addr &s2) const
164 memcpy(&q,&s1,sizeof(size_t));
165 memcpy(&p,&s2,sizeof(size_t));
173 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
174 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
175 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
176 typedef std::deque<command_t> command_table;
179 extern user_hash clientlist;
180 extern chan_hash chanlist;
181 extern user_hash whowas;
182 extern command_table cmdlist;
183 extern file_cache MOTD;
184 extern file_cache RULES;
185 extern address_cache IP;
188 // class type for holding an extended mode character - internal to core
190 class ExtMode : public classbase
199 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) { };
202 typedef std::vector<ExtMode> ExtModeList;
203 typedef ExtModeList::iterator ExtModeListIter;
208 // returns true if an extended mode character is in use
209 bool ModeDefined(char modechar, int type)
211 log(DEBUG,"Size of extmodes vector is %d",EMode.size());
212 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
214 if ((i->modechar == modechar) && (i->type == type))
222 bool ModeIsListMode(char modechar, int type)
224 log(DEBUG,"Size of extmodes vector is %d",EMode.size());
225 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
227 if ((i->modechar == modechar) && (i->type == type) && (i->list == true))
235 bool ModeDefinedOper(char modechar, int type)
237 log(DEBUG,"Size of extmodes vector is %d",EMode.size());
238 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
240 if ((i->modechar == modechar) && (i->type == type) && (i->needsoper == true))
248 // returns number of parameters for a custom mode when it is switched on
249 int ModeDefinedOn(char modechar, int type)
251 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
253 if ((i->modechar == modechar) && (i->type == type))
255 return i->params_when_on;
261 // returns number of parameters for a custom mode when it is switched on
262 int ModeDefinedOff(char modechar, int type)
264 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
266 if ((i->modechar == modechar) && (i->type == type))
268 return i->params_when_off;
274 // returns true if an extended mode character is in use
275 bool DoAddExtendedMode(char modechar, int type, bool requires_oper, int params_on, int params_off)
277 if (ModeDefined(modechar,type)) {
280 EMode.push_back(ExtMode(modechar,type,requires_oper,params_on,params_off));
284 // turns a mode into a listmode
285 void ModeMakeList(char modechar)
287 for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
289 if ((i->modechar == modechar) && (i->type == MT_CHANNEL))
298 // version is a simple class for holding a modules version number
300 Version::Version(int major, int minor, int revision, int build, int flags) : Major(major), Minor(minor), Revision(revision), Build(build), Flags(flags) { };
302 // admin is a simple class for holding a server's administrative info
304 Admin::Admin(std::string name, std::string email, std::string nick) : Name(name), Email(email), Nick(nick) { };
307 Module::~Module() { }
308 void Module::OnUserConnect(userrec* user) { }
309 void Module::OnUserQuit(userrec* user) { }
310 void Module::OnUserJoin(userrec* user, chanrec* channel) { }
311 void Module::OnUserPart(userrec* user, chanrec* channel) { }
312 void Module::OnPacketTransmit(std::string &data, std::string serv) { }
313 void Module::OnPacketReceive(std::string &data, std::string serv) { }
314 void Module::OnRehash() { }
315 void Module::OnServerRaw(std::string &raw, bool inbound, userrec* user) { }
316 int Module::OnUserPreJoin(userrec* user, chanrec* chan, const char* cname) { return 0; }
317 int Module::OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms) { return false; }
318 Version Module::GetVersion() { return Version(1,0,0,0,VF_VENDOR); }
319 void Module::OnOper(userrec* user) { };
320 void Module::OnInfo(userrec* user) { };
321 void Module::OnWhois(userrec* source, userrec* dest) { };
322 int Module::OnUserPreInvite(userrec* source,userrec* dest,chanrec* channel) { return 0; };
323 int Module::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text) { return 0; };
324 int Module::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text) { return 0; };
325 int Module::OnUserPreNick(userrec* user, std::string newnick) { return 0; };
326 void Module::OnUserPostNick(userrec* user, std::string oldnick) { };
327 int Module::OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type) { return ACR_DEFAULT; };
328 string_list Module::OnUserSync(userrec* user) { string_list empty; return empty; }
329 string_list Module::OnChannelSync(chanrec* chan) { string_list empty; return empty; }
330 void Module::On005Numeric(std::string &output) { };
331 int Module::OnKill(userrec* source, userrec* dest, std::string reason) { return 0; };
332 void Module::OnLoadModule(Module* mod,std::string name) { };
333 void Module::OnBackgroundTimer(time_t curtime) { };
334 void Module::OnSendList(userrec* user, chanrec* channel, char mode) { };
335 int Module::OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user) { return 0; };
336 bool Module::OnCheckReady(userrec* user) { return true; };
337 void Module::OnUserRegister(userrec* user) { };
338 int Module::OnUserPreKick(userrec* source, userrec* user, chanrec* chan, std::string reason) { return 0; };
339 void Module::OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason) { };
341 // server is a wrapper class that provides methods to all of the C-style
342 // exports in the core
353 void Server::SendOpers(std::string s)
355 WriteOpers("%s",s.c_str());
358 bool Server::MatchText(std::string sliteral, std::string spattern)
360 char literal[MAXBUF],pattern[MAXBUF];
361 strlcpy(literal,sliteral.c_str(),MAXBUF);
362 strlcpy(pattern,spattern.c_str(),MAXBUF);
363 return match(literal,pattern);
366 void Server::SendToModeMask(std::string modes, int flags, std::string text)
368 WriteMode(modes.c_str(),flags,"%s",text.c_str());
371 chanrec* Server::JoinUserToChannel(userrec* user, std::string cname, std::string key)
373 return add_channel(user,cname.c_str(),key.c_str(),true);
376 chanrec* Server::PartUserFromChannel(userrec* user, std::string cname, std::string reason)
378 return del_channel(user,cname.c_str(),reason.c_str(),false);
381 chanuserlist Server::GetUsers(chanrec* chan)
385 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
389 if (has_channel(i->second,chan))
391 if (isnick(i->second->nick))
393 userl.push_back(i->second);
400 void Server::ChangeUserNick(userrec* user, std::string nickname)
402 force_nickchange(user,nickname.c_str());
405 void Server::QuitUser(userrec* user, std::string reason)
407 send_network_quit(user->nick,reason.c_str());
408 kill_link(user,reason.c_str());
411 bool Server::IsUlined(std::string server)
413 return is_uline(server.c_str());
416 void Server::CallCommandHandler(std::string commandname, char** parameters, int pcnt, userrec* user)
418 call_handler(commandname.c_str(),parameters,pcnt,user);
421 void Server::Log(int level, std::string s)
423 log(level,"%s",s.c_str());
426 void Server::AddCommand(char* cmd, handlerfunc f, char flags, int minparams, char* source)
428 createcommand(cmd,f,flags,minparams,source);
431 void Server::SendMode(char **parameters, int pcnt, userrec *user)
433 server_mode(parameters,pcnt,user);
436 void Server::Send(int Socket, std::string s)
438 Write(Socket,"%s",s.c_str());
441 void Server::SendServ(int Socket, std::string s)
443 WriteServ(Socket,"%s",s.c_str());
446 void Server::SendFrom(int Socket, userrec* User, std::string s)
448 WriteFrom(Socket,User,"%s",s.c_str());
451 void Server::SendTo(userrec* Source, userrec* Dest, std::string s)
455 // if source is NULL, then the message originates from the local server
456 Write(Dest->fd,":%s %s",this->GetServerName().c_str(),s.c_str());
460 // otherwise it comes from the user specified
461 WriteTo(Source,Dest,"%s",s.c_str());
465 void Server::SendChannel(userrec* User, chanrec* Channel, std::string s,bool IncludeSender)
469 WriteChannel(Channel,User,"%s",s.c_str());
473 ChanExceptSender(Channel,User,"%s",s.c_str());
477 bool Server::CommonChannels(userrec* u1, userrec* u2)
479 return (common_channels(u1,u2) != 0);
482 void Server::SendCommon(userrec* User, std::string text,bool IncludeSender)
486 WriteCommon(User,"%s",text.c_str());
490 WriteCommonExcept(User,"%s",text.c_str());
494 void Server::SendWallops(userrec* User, std::string text)
496 WriteWallOps(User,false,"%s",text.c_str());
499 void Server::ChangeHost(userrec* user, std::string host)
501 ChangeDisplayedHost(user,host.c_str());
504 void Server::ChangeGECOS(userrec* user, std::string gecos)
506 ChangeName(user,gecos.c_str());
509 bool Server::IsNick(std::string nick)
511 return (isnick(nick.c_str()) != 0);
514 userrec* Server::FindNick(std::string nick)
519 chanrec* Server::FindChannel(std::string channel)
521 return FindChan(channel.c_str());
524 std::string Server::ChanMode(userrec* User, chanrec* Chan)
526 return cmode(User,Chan);
529 bool Server::IsOnChannel(userrec* User, chanrec* Chan)
531 return has_channel(User,Chan);
534 std::string Server::GetServerName()
536 return getservername();
539 std::string Server::GetNetworkName()
541 return getnetworkname();
544 Admin Server::GetAdmin()
546 return Admin(getadminname(),getadminemail(),getadminnick());
551 bool Server::AddExtendedMode(char modechar, int type, bool requires_oper, int params_when_on, int params_when_off)
553 if (type == MT_SERVER)
555 log(DEBUG,"*** API ERROR *** Modes of type MT_SERVER are reserved for future expansion");
558 if (((params_when_on>0) || (params_when_off>0)) && (type == MT_CLIENT))
560 log(DEBUG,"*** API ERROR *** Parameters on MT_CLIENT modes are not supported");
563 if ((params_when_on>1) || (params_when_off>1))
565 log(DEBUG,"*** API ERROR *** More than one parameter for an MT_CHANNEL mode is not yet supported");
568 return DoAddExtendedMode(modechar,type,requires_oper,params_when_on,params_when_off);
571 bool Server::AddExtendedListMode(char modechar)
573 bool res = DoAddExtendedMode(modechar,MT_CHANNEL,false,1,1);
575 ModeMakeList(modechar);
579 int Server::CountUsers(chanrec* c)
585 bool Server::UserToPseudo(userrec* user,std::string message)
587 unsigned int old_fd = user->fd;
588 user->fd = FD_MAGIC_NUMBER;
589 Write(old_fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,message.c_str());
594 bool Server::PseudoToUser(userrec* alive,userrec* zombie,std::string message)
596 zombie->fd = alive->fd;
597 alive->fd = FD_MAGIC_NUMBER;
598 Write(zombie->fd,":%s!%s@%s NICK %s",alive->nick,alive->ident,alive->host,zombie->nick);
599 kill_link(alive,message.c_str());
600 for (int i = 0; i != MAXCHANS; i++)
602 if (zombie->chans[i].channel != NULL)
604 if (zombie->chans[i].channel->name)
606 chanrec* Ptr = zombie->chans[i].channel;
607 WriteFrom(zombie->fd,zombie,"JOIN %s",Ptr->name);
610 WriteServ(zombie->fd,"332 %s %s :%s", zombie->nick, Ptr->name, Ptr->topic);
611 WriteServ(zombie->fd,"333 %s %s %s %d", zombie->nick, Ptr->name, Ptr->setby, Ptr->topicset);
613 userlist(zombie,Ptr);
614 WriteServ(zombie->fd,"366 %s %s :End of /NAMES list.", zombie->nick, Ptr->name);
615 WriteServ(zombie->fd,"324 %s %s +%s",zombie->nick, Ptr->name,chanmodes(Ptr));
616 WriteServ(zombie->fd,"329 %s %s %d", zombie->nick, Ptr->name, Ptr->created);
624 void Server::AddGLine(long duration, std::string source, std::string reason, std::string hostmask)
626 add_gline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
629 void Server::AddQLine(long duration, std::string source, std::string reason, std::string nickname)
631 add_qline(duration, source.c_str(), reason.c_str(), nickname.c_str());
634 void Server::AddZLine(long duration, std::string source, std::string reason, std::string ipaddr)
636 add_zline(duration, source.c_str(), reason.c_str(), ipaddr.c_str());
639 void Server::AddKLine(long duration, std::string source, std::string reason, std::string hostmask)
641 add_kline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
644 void Server::AddELine(long duration, std::string source, std::string reason, std::string hostmask)
646 add_eline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
649 bool Server::DelGLine(std::string hostmask)
651 del_gline(hostmask.c_str());
654 bool Server::DelQLine(std::string nickname)
656 del_qline(nickname.c_str());
659 bool Server::DelZLine(std::string ipaddr)
661 del_zline(ipaddr.c_str());
664 bool Server::DelKLine(std::string hostmask)
666 del_kline(hostmask.c_str());
669 bool Server::DelELine(std::string hostmask)
671 del_eline(hostmask.c_str());
674 long Server::CalcDuration(std::string delta)
676 return duration(delta.c_str());
679 bool Server::IsValidMask(std::string mask)
681 const char* dest = mask.c_str();
682 if (strchr(dest,'!')==0)
684 if (strchr(dest,'@')==0)
686 for (int i = 0; i < strlen(dest); i++)
689 for (int i = 0; i < strlen(dest); i++)
693 for (int i = 0; i < strlen(dest); i++)
699 for (int i = 0; i < strlen(dest); i++)
708 ConfigReader::ConfigReader()
710 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
711 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
712 this->readerror = LoadConf(CONFIG_FILE,this->cache,this->errorlog);
713 if (!this->readerror)
714 this->error = CONF_FILE_NOT_FOUND;
718 ConfigReader::~ConfigReader()
723 delete this->errorlog;
727 ConfigReader::ConfigReader(std::string filename)
729 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
730 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
731 this->readerror = LoadConf(filename.c_str(),this->cache,this->errorlog);
732 if (!this->readerror)
733 this->error = CONF_FILE_NOT_FOUND;
736 std::string ConfigReader::ReadValue(std::string tag, std::string name, int index)
741 strlcpy(t,tag.c_str(),MAXBUF);
742 strlcpy(n,name.c_str(),MAXBUF);
743 int res = ReadConf(cache,t,n,index,val);
746 this->error = CONF_VALUE_NOT_FOUND;
749 return std::string(val);
752 bool ConfigReader::ReadFlag(std::string tag, std::string name, int index)
757 strlcpy(t,tag.c_str(),MAXBUF);
758 strlcpy(n,name.c_str(),MAXBUF);
759 int res = ReadConf(cache,t,n,index,val);
762 this->error = CONF_VALUE_NOT_FOUND;
766 return ((s == "yes") || (s == "YES") || (s == "true") || (s == "TRUE") || (s == "1"));
769 long ConfigReader::ReadInteger(std::string tag, std::string name, int index, bool needs_unsigned)
774 strlcpy(t,tag.c_str(),MAXBUF);
775 strlcpy(n,name.c_str(),MAXBUF);
776 int res = ReadConf(cache,t,n,index,val);
779 this->error = CONF_VALUE_NOT_FOUND;
782 for (int i = 0; i < strlen(val); i++)
784 if (!isdigit(val[i]))
786 this->error = CONF_NOT_A_NUMBER;
790 if ((needs_unsigned) && (atoi(val)<0))
792 this->error = CONF_NOT_UNSIGNED;
798 long ConfigReader::GetError()
800 long olderr = this->error;
805 void ConfigReader::DumpErrors(bool bail, userrec* user)
809 printf("There were errors in your configuration:\n%s",errorlog->str().c_str());
817 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
818 while (!errorlog->eof())
820 errorlog->getline(dataline,1024);
821 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
826 WriteOpers("There were errors in the configuration file:",user->nick);
827 while (!errorlog->eof())
829 errorlog->getline(dataline,1024);
830 WriteOpers(dataline);
838 int ConfigReader::Enumerate(std::string tag)
840 return EnumConf(cache,tag.c_str());
843 int ConfigReader::EnumerateValues(std::string tag, int index)
845 return EnumValues(cache, tag.c_str(), index);
848 bool ConfigReader::Verify()
850 return this->readerror;
854 FileReader::FileReader(std::string filename)
857 readfile(c,filename.c_str());
861 FileReader::FileReader()
865 void FileReader::LoadFile(std::string filename)
868 readfile(c,filename.c_str());
873 FileReader::~FileReader()
877 bool FileReader::Exists()
889 std::string FileReader::GetLine(int x)
891 if ((x<0) || (x>fc.size()))
896 int FileReader::FileSize()
902 std::vector<Module*> modules(255);
903 std::vector<ircd_module*> factory(255);