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) { };
340 int Module::OnRawMode(userrec* user, chanrec* chan, char mode, std::string param, bool adding, int pcnt) { return 0; };
341 int Module::OnCheckInvite(userrec* user, chanrec* chan) { return 0; };
342 int Module::OnCheckKey(userrec* user, chanrec* chan, std::string keygiven) { return 0; };
343 int Module::OnCheckLimit(userrec* user, chanrec* chan) { return 0; };
344 int Module::OnCheckBan(userrec* user, chanrec* chan) { return 0; };
345 void Module::OnStats(char symbol) { };
346 int Module::OnChangeLocalUserHost(userrec* user, std::string newhost) { return 0; };
347 int Module::OnChangeLocalUserGECOS(userrec* user, std::string newhost) { return 0; };
348 int Module::OnLocalTopicChange(userrec* user, chanrec* chan, std::string topic) { return 0; };
350 // server is a wrapper class that provides methods to all of the C-style
351 // exports in the core
362 void Server::SendOpers(std::string s)
364 WriteOpers("%s",s.c_str());
367 bool Server::MatchText(std::string sliteral, std::string spattern)
369 char literal[MAXBUF],pattern[MAXBUF];
370 strlcpy(literal,sliteral.c_str(),MAXBUF);
371 strlcpy(pattern,spattern.c_str(),MAXBUF);
372 return match(literal,pattern);
375 void Server::SendToModeMask(std::string modes, int flags, std::string text)
377 WriteMode(modes.c_str(),flags,"%s",text.c_str());
380 chanrec* Server::JoinUserToChannel(userrec* user, std::string cname, std::string key)
382 return add_channel(user,cname.c_str(),key.c_str(),true);
385 chanrec* Server::PartUserFromChannel(userrec* user, std::string cname, std::string reason)
387 return del_channel(user,cname.c_str(),reason.c_str(),false);
390 chanuserlist Server::GetUsers(chanrec* chan)
394 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
398 if (has_channel(i->second,chan))
400 if (isnick(i->second->nick))
402 userl.push_back(i->second);
409 void Server::ChangeUserNick(userrec* user, std::string nickname)
411 force_nickchange(user,nickname.c_str());
414 void Server::QuitUser(userrec* user, std::string reason)
416 send_network_quit(user->nick,reason.c_str());
417 kill_link(user,reason.c_str());
420 bool Server::IsUlined(std::string server)
422 return is_uline(server.c_str());
425 void Server::CallCommandHandler(std::string commandname, char** parameters, int pcnt, userrec* user)
427 call_handler(commandname.c_str(),parameters,pcnt,user);
430 void Server::Log(int level, std::string s)
432 log(level,"%s",s.c_str());
435 void Server::AddCommand(char* cmd, handlerfunc f, char flags, int minparams, char* source)
437 createcommand(cmd,f,flags,minparams,source);
440 void Server::SendMode(char **parameters, int pcnt, userrec *user)
442 server_mode(parameters,pcnt,user);
445 void Server::Send(int Socket, std::string s)
447 Write(Socket,"%s",s.c_str());
450 void Server::SendServ(int Socket, std::string s)
452 WriteServ(Socket,"%s",s.c_str());
455 void Server::SendFrom(int Socket, userrec* User, std::string s)
457 WriteFrom(Socket,User,"%s",s.c_str());
460 void Server::SendTo(userrec* Source, userrec* Dest, std::string s)
464 // if source is NULL, then the message originates from the local server
465 Write(Dest->fd,":%s %s",this->GetServerName().c_str(),s.c_str());
469 // otherwise it comes from the user specified
470 WriteTo(Source,Dest,"%s",s.c_str());
474 void Server::SendChannel(userrec* User, chanrec* Channel, std::string s,bool IncludeSender)
478 WriteChannel(Channel,User,"%s",s.c_str());
482 ChanExceptSender(Channel,User,"%s",s.c_str());
486 bool Server::CommonChannels(userrec* u1, userrec* u2)
488 return (common_channels(u1,u2) != 0);
491 void Server::SendCommon(userrec* User, std::string text,bool IncludeSender)
495 WriteCommon(User,"%s",text.c_str());
499 WriteCommonExcept(User,"%s",text.c_str());
503 void Server::SendWallops(userrec* User, std::string text)
505 WriteWallOps(User,false,"%s",text.c_str());
508 void Server::ChangeHost(userrec* user, std::string host)
510 ChangeDisplayedHost(user,host.c_str());
513 void Server::ChangeGECOS(userrec* user, std::string gecos)
515 ChangeName(user,gecos.c_str());
518 bool Server::IsNick(std::string nick)
520 return (isnick(nick.c_str()) != 0);
523 userrec* Server::FindNick(std::string nick)
528 chanrec* Server::FindChannel(std::string channel)
530 return FindChan(channel.c_str());
533 std::string Server::ChanMode(userrec* User, chanrec* Chan)
535 return cmode(User,Chan);
538 bool Server::IsOnChannel(userrec* User, chanrec* Chan)
540 return has_channel(User,Chan);
543 std::string Server::GetServerName()
545 return getservername();
548 std::string Server::GetNetworkName()
550 return getnetworkname();
553 Admin Server::GetAdmin()
555 return Admin(getadminname(),getadminemail(),getadminnick());
560 bool Server::AddExtendedMode(char modechar, int type, bool requires_oper, int params_when_on, int params_when_off)
562 if (type == MT_SERVER)
564 log(DEBUG,"*** API ERROR *** Modes of type MT_SERVER are reserved for future expansion");
567 if (((params_when_on>0) || (params_when_off>0)) && (type == MT_CLIENT))
569 log(DEBUG,"*** API ERROR *** Parameters on MT_CLIENT modes are not supported");
572 if ((params_when_on>1) || (params_when_off>1))
574 log(DEBUG,"*** API ERROR *** More than one parameter for an MT_CHANNEL mode is not yet supported");
577 return DoAddExtendedMode(modechar,type,requires_oper,params_when_on,params_when_off);
580 bool Server::AddExtendedListMode(char modechar)
582 bool res = DoAddExtendedMode(modechar,MT_CHANNEL,false,1,1);
584 ModeMakeList(modechar);
588 int Server::CountUsers(chanrec* c)
594 bool Server::UserToPseudo(userrec* user,std::string message)
596 unsigned int old_fd = user->fd;
597 user->fd = FD_MAGIC_NUMBER;
598 Write(old_fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,message.c_str());
603 bool Server::PseudoToUser(userrec* alive,userrec* zombie,std::string message)
605 zombie->fd = alive->fd;
606 alive->fd = FD_MAGIC_NUMBER;
607 Write(zombie->fd,":%s!%s@%s NICK %s",alive->nick,alive->ident,alive->host,zombie->nick);
608 kill_link(alive,message.c_str());
609 for (int i = 0; i != MAXCHANS; i++)
611 if (zombie->chans[i].channel != NULL)
613 if (zombie->chans[i].channel->name)
615 chanrec* Ptr = zombie->chans[i].channel;
616 WriteFrom(zombie->fd,zombie,"JOIN %s",Ptr->name);
619 WriteServ(zombie->fd,"332 %s %s :%s", zombie->nick, Ptr->name, Ptr->topic);
620 WriteServ(zombie->fd,"333 %s %s %s %d", zombie->nick, Ptr->name, Ptr->setby, Ptr->topicset);
622 userlist(zombie,Ptr);
623 WriteServ(zombie->fd,"366 %s %s :End of /NAMES list.", zombie->nick, Ptr->name);
624 WriteServ(zombie->fd,"324 %s %s +%s",zombie->nick, Ptr->name,chanmodes(Ptr));
625 WriteServ(zombie->fd,"329 %s %s %d", zombie->nick, Ptr->name, Ptr->created);
633 void Server::AddGLine(long duration, std::string source, std::string reason, std::string hostmask)
635 add_gline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
638 void Server::AddQLine(long duration, std::string source, std::string reason, std::string nickname)
640 add_qline(duration, source.c_str(), reason.c_str(), nickname.c_str());
643 void Server::AddZLine(long duration, std::string source, std::string reason, std::string ipaddr)
645 add_zline(duration, source.c_str(), reason.c_str(), ipaddr.c_str());
648 void Server::AddKLine(long duration, std::string source, std::string reason, std::string hostmask)
650 add_kline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
653 void Server::AddELine(long duration, std::string source, std::string reason, std::string hostmask)
655 add_eline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
658 bool Server::DelGLine(std::string hostmask)
660 del_gline(hostmask.c_str());
663 bool Server::DelQLine(std::string nickname)
665 del_qline(nickname.c_str());
668 bool Server::DelZLine(std::string ipaddr)
670 del_zline(ipaddr.c_str());
673 bool Server::DelKLine(std::string hostmask)
675 del_kline(hostmask.c_str());
678 bool Server::DelELine(std::string hostmask)
680 del_eline(hostmask.c_str());
683 long Server::CalcDuration(std::string delta)
685 return duration(delta.c_str());
688 bool Server::IsValidMask(std::string mask)
690 const char* dest = mask.c_str();
691 if (strchr(dest,'!')==0)
693 if (strchr(dest,'@')==0)
695 for (int i = 0; i < strlen(dest); i++)
698 for (int i = 0; i < strlen(dest); i++)
702 for (int i = 0; i < strlen(dest); i++)
708 for (int i = 0; i < strlen(dest); i++)
717 ConfigReader::ConfigReader()
719 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
720 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
721 this->readerror = LoadConf(CONFIG_FILE,this->cache,this->errorlog);
722 if (!this->readerror)
723 this->error = CONF_FILE_NOT_FOUND;
727 ConfigReader::~ConfigReader()
732 delete this->errorlog;
736 ConfigReader::ConfigReader(std::string filename)
738 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
739 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
740 this->readerror = LoadConf(filename.c_str(),this->cache,this->errorlog);
741 if (!this->readerror)
742 this->error = CONF_FILE_NOT_FOUND;
745 std::string ConfigReader::ReadValue(std::string tag, std::string name, int index)
750 strlcpy(t,tag.c_str(),MAXBUF);
751 strlcpy(n,name.c_str(),MAXBUF);
752 int res = ReadConf(cache,t,n,index,val);
755 this->error = CONF_VALUE_NOT_FOUND;
758 return std::string(val);
761 bool ConfigReader::ReadFlag(std::string tag, std::string name, int index)
766 strlcpy(t,tag.c_str(),MAXBUF);
767 strlcpy(n,name.c_str(),MAXBUF);
768 int res = ReadConf(cache,t,n,index,val);
771 this->error = CONF_VALUE_NOT_FOUND;
775 return ((s == "yes") || (s == "YES") || (s == "true") || (s == "TRUE") || (s == "1"));
778 long ConfigReader::ReadInteger(std::string tag, std::string name, int index, bool needs_unsigned)
783 strlcpy(t,tag.c_str(),MAXBUF);
784 strlcpy(n,name.c_str(),MAXBUF);
785 int res = ReadConf(cache,t,n,index,val);
788 this->error = CONF_VALUE_NOT_FOUND;
791 for (int i = 0; i < strlen(val); i++)
793 if (!isdigit(val[i]))
795 this->error = CONF_NOT_A_NUMBER;
799 if ((needs_unsigned) && (atoi(val)<0))
801 this->error = CONF_NOT_UNSIGNED;
807 long ConfigReader::GetError()
809 long olderr = this->error;
814 void ConfigReader::DumpErrors(bool bail, userrec* user)
818 printf("There were errors in your configuration:\n%s",errorlog->str().c_str());
826 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
827 while (!errorlog->eof())
829 errorlog->getline(dataline,1024);
830 WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
835 WriteOpers("There were errors in the configuration file:",user->nick);
836 while (!errorlog->eof())
838 errorlog->getline(dataline,1024);
839 WriteOpers(dataline);
847 int ConfigReader::Enumerate(std::string tag)
849 return EnumConf(cache,tag.c_str());
852 int ConfigReader::EnumerateValues(std::string tag, int index)
854 return EnumValues(cache, tag.c_str(), index);
857 bool ConfigReader::Verify()
859 return this->readerror;
863 FileReader::FileReader(std::string filename)
866 readfile(c,filename.c_str());
870 FileReader::FileReader()
874 void FileReader::LoadFile(std::string filename)
877 readfile(c,filename.c_str());
882 FileReader::~FileReader()
886 bool FileReader::Exists()
898 std::string FileReader::GetLine(int x)
900 if ((x<0) || (x>fc.size()))
905 int FileReader::FileSize()
911 std::vector<Module*> modules(255);
912 std::vector<ircd_module*> factory(255);