X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=ab9c3f46a8d8f4a60a98b48f0ba440045dbe024d;hb=df0c429e4b1d177335a23770999cf4b00dd532d6;hp=c4c6f397b8db28a7c34eb464ac61f443a9931c7f;hpb=dec44e09b85c9c5bd1e87b1f9607429f046a1e64;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index c4c6f397b..da3fa5e1b 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -2,1325 +2,533 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * Inspire is copyright (C) 2002-2004 ChatSpike-Dev. - * E-mail: - * - * + * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits * - * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ -using namespace std; - -#include "inspircd_config.h" #include "inspircd.h" -#include "inspircd_io.h" -#include "inspircd_util.h" -#include -#include -#include -#include -#include -#ifdef GCC3 -#include -#else -#include -#endif -#include -#include -#include #include -#include "connection.h" +#include "configreader.h" #include "users.h" -#include "ctables.h" -#include "globals.h" #include "modules.h" -#include "dynamic.h" #include "wildcard.h" -#include "message.h" #include "mode.h" #include "xline.h" -#include "commands.h" -#include "inspstring.h" -#include "helperfuncs.h" -#include "hashcomp.h" - -extern int MODCOUNT; -extern std::vector modules; - -extern time_t TIME; -extern bool nofork; -extern char lowermap[255]; -extern char ServerName[MAXBUF]; -extern char Network[MAXBUF]; -extern char ServerDesc[MAXBUF]; -extern char list[MAXBUF]; - -extern int debugging; -extern int LogLevel; - -extern std::stringstream config_f; - - - -extern FILE *log_file; -extern userrec* fd_ref_table[65536]; - -extern int statsAccept, statsRefused, statsUnknown, statsCollisions, statsDns, statsDnsGood, statsDnsBad, statsConnects, statsSent, statsRecv; - -static char already_sent[65536]; -extern std::vector all_opers; +#include "exitcodes.h" -extern ClassVector Classes; +static char TIMESTR[26]; +static time_t LAST = 0; -typedef nspace::hash_map, irc::StrHashComp> user_hash; -typedef nspace::hash_map, irc::StrHashComp> chan_hash; -typedef std::deque command_table; - -extern user_hash clientlist; -extern chan_hash chanlist; -extern command_table cmdlist; -extern file_cache MOTD; -extern file_cache RULES; - -void log(int level,char *text, ...) -{ - char textbuffer[MAXBUF]; - va_list argsPtr; - time_t rawtime; - struct tm * timeinfo; - if (level < LogLevel) - return; - - time(&rawtime); - timeinfo = localtime (&rawtime); - - if (log_file) - { - char b[MAXBUF]; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - strlcpy(b,asctime(timeinfo),MAXBUF); - b[24] = ':'; // we know this is the end of the time string - fprintf(log_file,"%s %s\n",b,textbuffer); - if (nofork) - { - // nofork enabled? display it on terminal too - printf("%s %s\n",b,textbuffer); - } - } -} - -void readfile(file_cache &F, const char* fname) +/** Log() + * Write a line of text `text' to the logfile (and stdout, if in nofork) if the level `level' + * is greater than the configured loglevel. + */ +void InspIRCd::Log(int level, const char* text, ...) { - FILE* file; - char linebuf[MAXBUF]; - - log(DEBUG,"readfile: loading %s",fname); - F.clear(); - file = fopen(fname,"r"); - if (file) - { - while (!feof(file)) - { - fgets(linebuf,sizeof(linebuf),file); - linebuf[strlen(linebuf)-1]='\0'; - if (linebuf[0] == 0) - { - strcpy(linebuf," "); - } - if (!feof(file)) - { - F.push_back(linebuf); - } - } - fclose(file); - } - else - { - log(DEBUG,"readfile: failed to load file: %s",fname); - } - log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size()); -} + /* Do this check again here so that we save pointless vsnprintf calls */ + if ((level < Config->LogLevel) && !Config->forcedebug) + return; -void Write(int sock,char *text, ...) -{ - if (sock < 0) - return; - if (!text) - { - log(DEFAULT,"*** BUG *** Write was given an invalid parameter"); - return; - } - char textbuffer[MAXBUF]; - va_list argsPtr; - char tb[MAXBUF]; - - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - int bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer); - chop(tb); - if (fd_ref_table[sock]) - { - int MOD_RESULT = 0; - FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes)); - fd_ref_table[sock]->AddWriteBuf(tb); - statsSent += bytes; - } - else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!"); -} + va_list argsPtr; + char textbuffer[65536]; -/* write a server formatted numeric response to a single socket */ + va_start(argsPtr, text); + vsnprintf(textbuffer, 65536, text, argsPtr); + va_end(argsPtr); -void WriteServ(int sock, char* text, ...) -{ - if (sock < 0) - return; - if (!text) - { - log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter"); - return; - } - char textbuffer[MAXBUF],tb[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",ServerName,textbuffer); - chop(tb); - if (fd_ref_table[sock]) - { - int MOD_RESULT = 0; - FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes)); - fd_ref_table[sock]->AddWriteBuf(tb); - statsSent += bytes; - } - else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!"); + this->Log(level, std::string(textbuffer)); } -/* write text from an originating user to originating user */ - -void WriteFrom(int sock, userrec *user,char* text, ...) +void InspIRCd::Log(int level, const std::string &text) { - if (sock < 0) - return; - if ((!text) || (!user)) - { - log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter"); - return; - } - char textbuffer[MAXBUF],tb[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer); - chop(tb); - if (fd_ref_table[sock]) - { - int MOD_RESULT = 0; - FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes)); - fd_ref_table[sock]->AddWriteBuf(tb); - statsSent += bytes; - } - else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!"); -} - -/* write text to an destination user from a source user (e.g. user privmsg) */ + if (!this->Config) + return; -void WriteTo(userrec *source, userrec *dest,char *data, ...) -{ - if ((!dest) || (!data)) - { - log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter"); - return; - } - if (dest->fd == FD_MAGIC_NUMBER) - return; - char textbuffer[MAXBUF],tb[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, data); - vsnprintf(textbuffer, MAXBUF, data, argsPtr); - va_end(argsPtr); - chop(tb); - - // if no source given send it from the server. - if (!source) - { - WriteServ(dest->fd,":%s %s",ServerName,textbuffer); - } - else - { - WriteFrom(dest->fd,source,"%s",textbuffer); - } -} + /* If we were given -debug we output all messages, regardless of configured loglevel */ + if ((level < Config->LogLevel) && !Config->forcedebug) + return; -/* write formatted text from a source user to all users on a channel - * including the sender (NOT for privmsg, notice etc!) */ + if (Time() != LAST) + { + time_t local = Time(); + struct tm *timeinfo = localtime(&local); -void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...) -{ - if ((!Ptr) || (!user) || (!text)) - { - log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter"); - return; - } - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - std::vector *ulist = Ptr->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* otheruser = (userrec*)o; - if (otheruser->fd != FD_MAGIC_NUMBER) - WriteTo(user,otheruser,"%s",textbuffer); - } -} + strlcpy(TIMESTR,asctime(timeinfo),26); + TIMESTR[24] = ':'; + LAST = Time(); + } -/* write formatted text from a source user to all users on a channel - * including the sender (NOT for privmsg, notice etc!) doesnt send to - * users on remote servers */ + if (Config->log_file && Config->writelog) + { + std::string out = std::string(TIMESTR) + " " + text.c_str() + "\n"; + this->Logger->WriteLogLine(out); + } -void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...) -{ - if ((!Ptr) || (!text)) - { - log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter"); - return; - } - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - std::vector *ulist = Ptr->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* otheruser = (userrec*)o; - if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser->fd != -1) && (otheruser != user)) - { - if (!user) - { - WriteServ(otheruser->fd,"%s",textbuffer); - } - else - { - WriteTo(user,otheruser,"%s",textbuffer); - } - } - } + if (Config->nofork) + { + printf("%s %s\n", TIMESTR, text.c_str()); + } } -void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...) +std::string InspIRCd::GetServerDescription(const char* servername) { - if ((!Ptr) || (!text)) - { - log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter"); - return; - } - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - - std::vector *ulist = Ptr->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* otheruser = (userrec*)o; - if (otheruser->fd != FD_MAGIC_NUMBER) - WriteServ(otheruser->fd,"%s",textbuffer); - } -} + std::string description; -/* write formatted text from a source user to all users on a channel except - * for the sender (for privmsg etc) */ + FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description)); -void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...) -{ - if ((!Ptr) || (!user) || (!text)) - { - log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter"); - return; - } - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - std::vector *ulist = Ptr->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* otheruser = (userrec*)o; - if ((otheruser->fd != FD_MAGIC_NUMBER) && (user != otheruser)) - WriteFrom(otheruser->fd,user,"%s",textbuffer); - } -} - -std::string GetServerDescription(char* servername) -{ - std::string description = ""; - FOREACH_MOD OnGetServerDescription(servername,description); - if (description != "") + if (!description.empty()) { return description; } else { - return ServerDesc; // not a remote server that can be found, it must be me. + // not a remote server that can be found, it must be me. + return Config->ServerDesc; } } -/* write a formatted string to all users who share at least one common - * channel, including the source user e.g. for use in NICK */ - -void WriteCommon(userrec *u, char* text, ...) +/* XXX - We don't use WriteMode for this because WriteMode is very slow and + * this isnt. Basically WriteMode has to iterate ALL the users 'n' times for + * the number of modes provided, e.g. if you send WriteMode 'og' to write to + * opers with globops, and you have 2000 users, thats 4000 iterations. WriteOpers + * uses the oper list, which means if you have 2000 users but only 5 opers, + * it iterates 5 times. + */ +void InspIRCd::WriteOpers(const char* text, ...) { - if (!u) - { - log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter"); - return; - } - - if (u->registered != 7) { - log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user"); - return; - } - - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - // FIX: Stops a message going to the same person more than once - memset(&already_sent,0,65536); - - bool sent_to_at_least_one = false; - - for (unsigned int i = 0; i < u->chans.size(); i++) - { - if (u->chans[i].channel) - { - std::vector *ulist = u->chans[i].channel->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* otheruser = (userrec*)o; - if ((otheruser->fd > 0) && (!already_sent[otheruser->fd])) - { - already_sent[otheruser->fd] = 1; - WriteFrom(otheruser->fd,u,"%s",textbuffer); - sent_to_at_least_one = true; - } - } - } - } - // if the user was not in any channels, no users will receive the text. Make sure the user - // receives their OWN message for WriteCommon - if (!sent_to_at_least_one) - { - WriteFrom(u->fd,u,"%s",textbuffer); - } -} + char textbuffer[MAXBUF]; + va_list argsPtr; -/* write a formatted string to all users who share at least one common - * channel, NOT including the source user e.g. for use in QUIT */ + va_start(argsPtr, text); + vsnprintf(textbuffer, MAXBUF, text, argsPtr); + va_end(argsPtr); -void WriteCommonExcept(userrec *u, char* text, ...) -{ - if (!u) - { - log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter"); - return; - } - - if (u->registered != 7) { - log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user"); - return; - } - - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - memset(&already_sent,0,65536); - - for (unsigned int i = 0; i < u->chans.size(); i++) - { - if (u->chans[i].channel) - { - std::vector *ulist = u->chans[i].channel->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* otheruser = (userrec*)o; - if (u != otheruser) - { - if ((otheruser->fd > 0) && (!already_sent[otheruser->fd])) - { - already_sent[otheruser->fd] = 1; - WriteFrom(otheruser->fd,u,"%s",textbuffer); - } - } - } - } - } + this->WriteOpers(std::string(textbuffer)); } -void WriteOpers(char* text, ...) +void InspIRCd::WriteOpers(const std::string &text) { - if (!text) - { - log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter"); - return; - } - - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - for (std::vector::iterator i = all_opers.begin(); i != all_opers.end(); i++) - { - userrec* a = *i; - if ((a) && (a->fd != FD_MAGIC_NUMBER)) - { - if (strchr(a->modes,'s')) - { - // send server notices to all with +s - WriteServ(a->fd,"NOTICE %s :%s",a->nick,textbuffer); - } - } - } + for (std::vector::iterator i = this->all_opers.begin(); i != this->all_opers.end(); i++) + { + userrec* a = *i; + if (IS_LOCAL(a) && a->modes[UM_SERVERNOTICE]) + { + // send server notices to all with +s + a->WriteServ("NOTICE %s :%s",a->nick,text.c_str()); + } + } } -void ServerNoticeAll(char* text, ...) +void InspIRCd::ServerNoticeAll(char* text, ...) { if (!text) return; char textbuffer[MAXBUF]; + char formatbuffer[MAXBUF]; va_list argsPtr; va_start (argsPtr, text); vsnprintf(textbuffer, MAXBUF, text, argsPtr); va_end(argsPtr); - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) + snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",Config->ServerName,textbuffer); + + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { - if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER)) - { - WriteServ(i->second->fd,"NOTICE $%s :%s",ServerName,textbuffer); - } + userrec* t = *i; + t->WriteServ(std::string(formatbuffer)); } } -void ServerPrivmsgAll(char* text, ...) +void InspIRCd::ServerPrivmsgAll(char* text, ...) { if (!text) return; char textbuffer[MAXBUF]; + char formatbuffer[MAXBUF]; va_list argsPtr; va_start (argsPtr, text); vsnprintf(textbuffer, MAXBUF, text, argsPtr); va_end(argsPtr); - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) + snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",Config->ServerName,textbuffer); + + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { - if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER)) - { - WriteServ(i->second->fd,"PRIVMSG $%s :%s",ServerName,textbuffer); - } + userrec* t = *i; + t->WriteServ(std::string(formatbuffer)); } } -void NoticeAllOpers(userrec *source, bool local_only, char* text, ...) +void InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...) { - if ((!text) || (!source)) - { - log(DEFAULT,"*** BUG *** NoticeAllOpers was given an invalid parameter"); - return; - } - - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - for (std::vector::iterator i = all_opers.begin(); i != all_opers.end(); i++) - { - userrec* a = *i; - if ((a) && (a->fd != FD_MAGIC_NUMBER)) - { - if (strchr(a->modes,'s')) - { - // send server notices to all with +s - WriteServ(a->fd,"NOTICE %s :*** Notice From %s: %s",a->nick,source->nick,textbuffer); - } - } - } + char textbuffer[MAXBUF]; + int modelen; + va_list argsPtr; -} -// returns TRUE of any users on channel C occupy server 'servername'. + if (!text || !modes || !flags) + { + this->Log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); + return; + } -bool ChanAnyOnThisServer(chanrec *c,char* servername) -{ - log(DEBUG,"ChanAnyOnThisServer"); - - std::vector *ulist = c->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* user = (userrec*)o; - if (!strcasecmp(user->server,servername)) - return true; - } - return false; + va_start(argsPtr, text); + vsnprintf(textbuffer, MAXBUF, text, argsPtr); + va_end(argsPtr); + modelen = strlen(modes); + + if (flags == WM_AND) + { + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + { + userrec* t = *i; + bool send_to_user = true; + + for (int n = 0; n < modelen; n++) + { + if (!t->modes[modes[n]-65]) + { + send_to_user = false; + break; + } + } + if (send_to_user) + t->WriteServ("NOTICE %s :%s",t->nick,textbuffer); + } + } + else + if (flags == WM_OR) + { + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + { + userrec* t = *i; + bool send_to_user = false; + + for (int n = 0; n < modelen; n++) + { + if (t->modes[modes[n]-65]) + { + send_to_user = true; + break; + } + } + if (send_to_user) + t->WriteServ("NOTICE %s :%s",t->nick,textbuffer); + } + } } -// returns true if user 'u' shares any common channels with any users on server 'servername' +/* Find a user record by nickname and return a pointer to it */ -bool CommonOnThisServer(userrec* u,const char* servername) +userrec* InspIRCd::FindNick(const std::string &nick) { - log(DEBUG,"ChanAnyOnThisServer"); - - for (unsigned int i = 0; i < u->chans.size(); i++) - { - if (u->chans[i].channel) - { - std::vector *ulist = u->chans[i].channel->GetUsers(); - for (unsigned int j = 0; j < ulist->size(); j++) - { - char* o = (*ulist)[j]; - userrec* user = (userrec*)o; - if (!strcasecmp(user->server,servername)) - return true; - } - } - } - return false; -} + user_hash::iterator iter = clientlist->find(nick); + if (iter == clientlist->end()) + /* Couldn't find it */ + return NULL; -void WriteMode(const char* modes, int flags, const char* text, ...) -{ - if ((!text) || (!modes) || (!flags)) - { - log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); - return; - } - - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - int modelen = strlen(modes); - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER)) - { - bool send_to_user = false; - - if (flags == WM_AND) - { - send_to_user = true; - for (int n = 0; n < modelen; n++) - { - if (!hasumode(i->second,modes[n])) - { - send_to_user = false; - break; - } - } - } - else if (flags == WM_OR) - { - send_to_user = false; - for (int n = 0; n < modelen; n++) - { - if (hasumode(i->second,modes[n])) - { - send_to_user = true; - break; - } - } - } - - if (send_to_user) - { - WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer); - } - } - } + return iter->second; } -void NoticeAll(userrec *source, bool local_only, char* text, ...) +userrec* InspIRCd::FindNick(const char* nick) { - if ((!text) || (!source)) - { - log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter"); - return; - } - - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER)) - { - WriteFrom(i->second->fd,source,"NOTICE $* :%s",textbuffer); - } - } + user_hash::iterator iter = clientlist->find(nick); + + if (iter == clientlist->end()) + return NULL; + return iter->second; } +/* find a channel record by channel name and return a pointer to it */ -void WriteWallOps(userrec *source, bool local_only, char* text, ...) +chanrec* InspIRCd::FindChan(const char* chan) { - if ((!text) || (!source)) - { - log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter"); - return; - } - - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER)) - { - if (strchr(i->second->modes,'w')) - { - WriteTo(source,i->second,"WALLOPS :%s",textbuffer); - } - } - } -} + chan_hash::iterator iter = chanlist->find(chan); -/* convert a string to lowercase. Note following special circumstances - * taken from RFC 1459. Many "official" server branches still hold to this - * rule so i will too; - * - * Because of IRC's scandanavian origin, the characters {}| are - * considered to be the lower case equivalents of the characters []\, - * respectively. This is a critical issue when determining the - * equivalence of two nicknames. - */ + if (iter == chanlist->end()) + /* Couldn't find it */ + return NULL; -void strlower(char *n) -{ - if (n) - { - for (char* t = n; *t; t++) - *t = lowermap[(unsigned)*t]; - } + return iter->second; } -/* Find a user record by nickname and return a pointer to it */ - -userrec* Find(std::string nick) +chanrec* InspIRCd::FindChan(const std::string &chan) { - user_hash::iterator iter = clientlist.find(nick); + chan_hash::iterator iter = chanlist->find(chan); - if (iter == clientlist.end()) - /* Couldn't find it */ - return NULL; + if (iter == chanlist->end()) + /* Couldn't find it */ + return NULL; - return iter->second; + return iter->second; } -/* find a channel record by channel name and return a pointer to it */ - -chanrec* FindChan(const char* chan) +/* + * sends out an error notice to all connected clients (not to be used + * lightly!) + */ +void InspIRCd::SendError(const std::string &s) { - if (!chan) - { - log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter"); - return NULL; - } - - chan_hash::iterator iter = chanlist.find(chan); - - if (iter == chanlist.end()) - /* Couldn't find it */ - return NULL; - - return iter->second; + for (std::vector::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++) + { + if ((*i)->registered == REG_ALL) + { + (*i)->WriteServ("NOTICE %s :%s",(*i)->nick,s.c_str()); + } + else + { + /* Unregistered connections receive ERROR, not a NOTICE */ + (*i)->Write("ERROR :" + s); + } + /* This might generate a whole load of EAGAIN, but we dont really + * care about this, as if we call SendError something catastrophic + * has occured anyway, and we wont receive the events for these. + */ + (*i)->FlushWriteBuf(); + } } - -long GetMaxBans(char* name) +// this function counts all users connected, wether they are registered or NOT. +int InspIRCd::UserCount() { - char CM[MAXBUF]; - for (int count = 0; count < ConfValueEnum("banlist",&config_f); count++) - { - ConfValue("banlist","chan",count,CM,&config_f); - if (match(name,CM)) - { - ConfValue("banlist","limit",count,CM,&config_f); - return atoi(CM); - } - } - return 64; + return clientlist->size(); } -void purge_empty_chans(userrec* u) +// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state +int InspIRCd::RegisteredUserCount() { - - int go_again = 1, purge = 0; - - // firstly decrement the count on each channel - for (unsigned int f = 0; f < u->chans.size(); f++) - { - if (u->chans[f].channel) - { - u->chans[f].channel->DelUser((char*)u); - } - } - - for (unsigned int i = 0; i < u->chans.size(); i++) - { - if (u->chans[i].channel) - { - if (!usercount(u->chans[i].channel)) - { - chan_hash::iterator i2 = chanlist.find(u->chans[i].channel->name); - /* kill the record */ - if (i2 != chanlist.end()) - { - log(DEBUG,"del_channel: destroyed: %s",i2->second->name); - if (i2->second) - delete i2->second; - chanlist.erase(i2); - go_again = 1; - purge++; - u->chans[i].channel = NULL; - } - } - else - { - log(DEBUG,"skipped purge for %s",u->chans[i].channel->name); - } - } - } - log(DEBUG,"completed channel purge, killed %lu",(unsigned long)purge); - - DeleteOper(u); + return clientlist->size() - this->UnregisteredUserCount(); } +int InspIRCd::ModeCount(const char mode) +{ + ModeHandler* mh = this->Modes->FindMode(mode, MODETYPE_USER); -char scratch[MAXBUF]; -char sparam[MAXBUF]; + if (mh) + return mh->GetCount(); + else + return 0; +} -char* chanmodes(chanrec *chan) +int InspIRCd::InvisibleUserCount() { - if (!chan) - { - log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter"); - strcpy(scratch,""); - return scratch; - } - - strcpy(scratch,""); - strcpy(sparam,""); - if (chan->binarymodes & CM_NOEXTERNAL) - { - strlcat(scratch,"n",MAXMODES); - } - if (chan->binarymodes & CM_TOPICLOCK) - { - strlcat(scratch,"t",MAXMODES); - } - if (chan->key[0]) - { - strlcat(scratch,"k",MAXMODES); - } - if (chan->limit) - { - strlcat(scratch,"l",MAXMODES); - } - if (chan->binarymodes & CM_INVITEONLY) - { - strlcat(scratch,"i",MAXMODES); - } - if (chan->binarymodes & CM_MODERATED) - { - strlcat(scratch,"m",MAXMODES); - } - if (chan->binarymodes & CM_SECRET) - { - strlcat(scratch,"s",MAXMODES); - } - if (chan->binarymodes & CM_PRIVATE) - { - strlcat(scratch,"p",MAXMODES); - } - if (chan->key[0]) - { - strlcat(sparam," ",MAXBUF); - strlcat(sparam,chan->key,MAXBUF); - } - if (chan->limit) - { - char foo[24]; - sprintf(foo," %lu",(unsigned long)chan->limit); - strlcat(sparam,foo,MAXBUF); - } - if (*chan->custom_modes) - { - strlcat(scratch,chan->custom_modes,MAXMODES); - for (int z = 0; chan->custom_modes[z] != 0; z++) - { - std::string extparam = chan->GetModeParameter(chan->custom_modes[z]); - if (extparam != "") - { - strlcat(sparam," ",MAXBUF); - strlcat(sparam,extparam.c_str(),MAXBUF); - } - } - } - log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam); - strlcat(scratch,sparam,MAXMODES); - return scratch; + return ModeCount('i'); } - -/* compile a userlist of a channel into a string, each nick seperated by - * spaces and op, voice etc status shown as @ and + */ - -void userlist(userrec *user,chanrec *c) +int InspIRCd::OperCount() { - if ((!c) || (!user)) - { - log(DEFAULT,"*** BUG *** userlist was given an invalid parameter"); - return; - } - - snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name); - - std::vector *ulist = c->GetUsers(); - for (unsigned int i = 0; i < ulist->size(); i++) - { - char* o = (*ulist)[i]; - userrec* otheruser = (userrec*)o; - if ((!has_channel(user,c)) && (strchr(otheruser->modes,'i'))) - { - /* user is +i, and source not on the channel, does not show - * nick in NAMES list */ - continue; - } - strlcat(list,cmode(otheruser,c),MAXBUF); - strlcat(list,otheruser->nick,MAXBUF); - strlcat(list," ",MAXBUF); - if (strlen(list)>(480-NICKMAX)) - { - /* list overflowed into - * multiple numerics */ - WriteServ(user->fd,"%s",list); - snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name); - } - } - /* if whats left in the list isnt empty, send it */ - if (list[strlen(list)-1] != ':') - { - WriteServ(user->fd,"%s",list); - } + return this->all_opers.size(); } -/* return a count of the users on a specific channel accounting for - * invisible users who won't increase the count. e.g. for /LIST */ - -int usercount_i(chanrec *c) +int InspIRCd::UnregisteredUserCount() { - int count = 0; - - if (!c) - { - log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter"); - return 0; - } - - strcpy(list,""); - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if (i->second) - { - if (has_channel(i->second,c)) - { - if (isnick(i->second->nick)) - { - if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i'))) - { - /* user is +i, and source not on the channel, does not show - * nick in NAMES list */ - continue; - } - count++; - } - } - } - } - log(DEBUG,"usercount_i: %s %lu",c->name,(unsigned long)count); - return count; + return this->unregistered_count; } +long InspIRCd::ChannelCount() +{ + return chanlist->size(); +} -int usercount(chanrec *c) +long InspIRCd::LocalUserCount() { - if (!c) - { - log(DEFAULT,"*** BUG *** usercount was given an invalid parameter"); - return 0; - } - int count = c->GetUserCounter(); - log(DEBUG,"usercount: %s %lu",c->name,(unsigned long)count); - return count; + /* Doesnt count unregistered clients */ + return (local_users.size() - this->UnregisteredUserCount()); } + +bool InspIRCd::IsChannel(const char *chname) +{ + char *c; + /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */ + if (!chname || *chname != '#') + { + return false; + } -// looks up a users password for their connection class (/ tags) + c = (char *)chname + 1; + while (*c) + { + switch (*c) + { + case ' ': + case ',': + case 7: + return false; + } -char* Passwd(userrec *user) -{ - for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++) - { - if (match(user->host,i->host) && (i->type == CC_ALLOW)) - { - return i->pass; - } - } - return ""; + c++; + } + + /* too long a name - note funky pointer arithmetic here. */ + if ((c - chname) > CHANMAX) + { + return false; + } + + return true; } -bool IsDenied(userrec *user) +bool InspIRCd::IsNick(const char* n) { - for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++) - { - if (match(user->host,i->host) && (i->type == CC_DENY)) - { - return true; - } - } - return false; -} + if (!n || !*n) + return false; + + int p = 0; + for (char* i = (char*)n; *i; i++, p++) + { + if ((*i >= 'A') && (*i <= '}')) + { + /* "A"-"}" can occur anywhere in a nickname */ + continue; + } + if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n)) + { + /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */ + continue; + } + /* invalid character! abort */ + return false; + } + /* too long? or not -- pointer arithmetic rocks */ + return (p < NICKMAX - 1); +} -/* sends out an error notice to all connected clients (not to be used - * lightly!) */ -void send_error(char *s) +bool InspIRCd::IsIdent(const char* n) { - log(DEBUG,"send_error: %s",s); - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if (isnick(i->second->nick)) - { - WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s); - } - else - { - // fix - unregistered connections receive ERROR, not NOTICE - Write(i->second->fd,"ERROR :%s",s); - } - } -} + if (!n || !*n) + return false; -void Error(int status) -{ - signal (SIGALRM, SIG_IGN); - signal (SIGPIPE, SIG_IGN); - signal (SIGTERM, SIG_IGN); - signal (SIGABRT, SIG_IGN); - signal (SIGSEGV, SIG_IGN); - signal (SIGURG, SIG_IGN); - signal (SIGKILL, SIG_IGN); - log(DEFAULT,"*** fell down a pothole in the road to perfection ***"); - send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*"); - Exit(status); -} + for (char* i = (char*)n; *i; i++) + { + if ((*i >= 'A') && (*i <= '}')) + { + continue; + } -// this function counts all users connected, wether they are registered or NOT. -int usercnt(void) -{ - return clientlist.size(); -} + if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.')) + { + continue; + } -// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state -int registered_usercount(void) -{ - int c = 0; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if (i->second->registered == 7) c++; - } - return c; -} + return false; + } -int usercount_invisible(void) -{ - int c = 0; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if ((isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++; - } - return c; + return true; } -int usercount_opers(void) +void InspIRCd::OpenLog(char** argv, int argc) { - int c = 0; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if ((isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++; - } - return c; -} + Config->MyDir = Config->GetFullProgDir(); -int usercount_unknown(void) -{ - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if ((i->second->fd) && (i->second->registered != 7)) - c++; - } - return c; -} + if (!*this->LogFileName) + { + if (Config->logpath.empty()) + { +#ifndef DARWIN + Config->logpath = Config->MyDir + "/ircd.log"; +#else + Config->logpath = "/var/log/ircd.log"; +#endif + } -long chancount(void) -{ - return chanlist.size(); -} + Config->log_file = fopen(Config->logpath.c_str(),"a+"); + } + else + { + Config->log_file = fopen(this->LogFileName,"a+"); + } -long local_count() -{ - int c = 0; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if ((i->second->fd) && (isnick(i->second->nick)) && (i->second->server->fd > -1)) c++; - } - return c; + if (!Config->log_file) + { + printf("ERROR: Could not write to logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno)); + Exit(EXIT_STATUS_LOG); + } + + this->Logger = new FileLogger(this, Config->log_file); } -void ShowMOTD(userrec *user) +void InspIRCd::CheckRoot() { - char buf[65536]; - std::string WholeMOTD = ""; - if (!MOTD.size()) - { - WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick); - return; - } - snprintf(buf,65535,":%s 375 %s :- %s message of the day\r\n", ServerName, user->nick, ServerName); - WholeMOTD = WholeMOTD + buf; - for (unsigned int i = 0; i != MOTD.size(); i++) - { - snprintf(buf,65535,":%s 372 %s :- %s\r\n", ServerName, user->nick, MOTD[i].c_str()); - WholeMOTD = WholeMOTD + buf; - } - snprintf(buf,65535,":%s 376 %s :End of message of the day.\r\n", ServerName, user->nick); - WholeMOTD = WholeMOTD + buf; - // only one write operation - user->AddWriteBuf(WholeMOTD); - statsSent += WholeMOTD.length(); +#ifndef DARWIN + if (geteuid() == 0) + { + printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n"); + this->Log(DEFAULT,"Cant start as root"); +#else + if (geteuid() != 16) + { + printf("WARNING!!! You are not running inspircd as the ircdaemon user!!! YOU CAN NOT DO THIS!!!\n\n"); + this->Log(DEFAULT,"Must start as user ircdaemon"); +#endif + Exit(EXIT_STATUS_ROOT); + } } -void ShowRULES(userrec *user) +void InspIRCd::CheckDie() { - if (!RULES.size()) - { - WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick); - return; - } - WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName); - for (unsigned int i = 0; i != RULES.size(); i++) - { - WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str()); - } - WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName); + if (*Config->DieValue) + { + printf("WARNING: %s\n\n",Config->DieValue); + this->Log(DEFAULT,"Died because of tag: %s",Config->DieValue); + Exit(EXIT_STATUS_DIETAG); + } } -// this returns 1 when all modules are satisfied that the user should be allowed onto the irc server -// (until this returns true, a user will block in the waiting state, waiting to connect up to the -// registration timeout maximum seconds) -bool AllModulesReportReady(userrec* user) +/* We must load the modules AFTER initializing the socket engine, now */ +void InspIRCd::LoadAllModules() { - for (int i = 0; i <= MODCOUNT; i++) - { - int res = modules[i]->OnCheckReady(user); - if (!res) - return false; - } - return true; + char configToken[MAXBUF]; + Config->module_names.clear(); + this->ModCount = -1; + + for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++) + { + Config->ConfValue(Config->config_data, "module", "name", count, configToken, MAXBUF); + printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken); + + if (!this->LoadModule(configToken)) + { + this->Log(DEFAULT,"There was an error loading the module '%s': %s", configToken, this->ModuleError()); + printf_c("\n[\033[1;31m*\033[0m] There was an error loading the module '%s': %s\n\n", configToken, this->ModuleError()); + Exit(EXIT_STATUS_MODULE); + } + } + printf_c("\nA total of \033[1;32m%d\033[0m module%s been loaded.\n", this->ModCount+1, this->ModCount+1 == 1 ? " has" : "s have"); + this->Log(DEFAULT,"Total loaded modules: %d", this->ModCount+1); } -void createcommand(char* cmd, handlerfunc f, char flags, int minparams,char* source) +void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text) { - command_t comm; - /* create the command and push it onto the table */ - strlcpy(comm.command,cmd,MAXBUF); - strlcpy(comm.source,source,MAXBUF); - comm.handler_function = f; - comm.flags_needed = flags; - comm.min_params = minparams; - comm.use_count = 0; - comm.total_bytes = 0; - cmdlist.push_back(comm); - log(DEBUG,"Added command %s (%lu parameters)",cmd,(unsigned long)minparams); -} + std::string copy_text = text; + int MOD_RESULT = 0; + FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text)); -void SetupCommandTable(void) -{ - createcommand("USER",handle_user,0,4,""); - createcommand("NICK",handle_nick,0,1,""); - createcommand("QUIT",handle_quit,0,0,""); - createcommand("VERSION",handle_version,0,0,""); - createcommand("PING",handle_ping,0,1,""); - createcommand("PONG",handle_pong,0,1,""); - createcommand("ADMIN",handle_admin,0,0,""); - createcommand("PRIVMSG",handle_privmsg,0,2,""); - createcommand("INFO",handle_info,0,0,""); - createcommand("TIME",handle_time,0,0,""); - createcommand("WHOIS",handle_whois,0,1,""); - createcommand("WALLOPS",handle_wallops,'o',1,""); - createcommand("NOTICE",handle_notice,0,2,""); - createcommand("JOIN",handle_join,0,1,""); - createcommand("NAMES",handle_names,0,0,""); - createcommand("PART",handle_part,0,1,""); - createcommand("KICK",handle_kick,0,2,""); - createcommand("MODE",handle_mode,0,1,""); - createcommand("TOPIC",handle_topic,0,1,""); - createcommand("WHO",handle_who,0,1,""); - createcommand("MOTD",handle_motd,0,0,""); - createcommand("RULES",handle_rules,0,0,""); - createcommand("OPER",handle_oper,0,2,""); - createcommand("LIST",handle_list,0,0,""); - createcommand("DIE",handle_die,'o',1,""); - createcommand("RESTART",handle_restart,'o',1,""); - createcommand("KILL",handle_kill,'o',2,""); - createcommand("REHASH",handle_rehash,'o',0,""); - createcommand("LUSERS",handle_lusers,0,0,""); - createcommand("STATS",handle_stats,0,1,""); - createcommand("USERHOST",handle_userhost,0,1,""); - createcommand("AWAY",handle_away,0,0,""); - createcommand("ISON",handle_ison,0,0,""); - createcommand("SUMMON",handle_summon,0,0,""); - createcommand("USERS",handle_users,0,0,""); - createcommand("INVITE",handle_invite,0,0,""); - createcommand("PASS",handle_pass,0,1,""); - createcommand("TRACE",handle_trace,'o',0,""); - createcommand("WHOWAS",handle_whowas,0,1,""); - createcommand("CONNECT",handle_connect,'o',1,""); - createcommand("SQUIT",handle_squit,'o',0,""); - createcommand("MODULES",handle_modules,0,0,""); - createcommand("LINKS",handle_links,0,0,""); - createcommand("MAP",handle_map,0,0,""); - createcommand("KLINE",handle_kline,'o',1,""); - createcommand("GLINE",handle_gline,'o',1,""); - createcommand("ZLINE",handle_zline,'o',1,""); - createcommand("QLINE",handle_qline,'o',1,""); - createcommand("ELINE",handle_eline,'o',1,""); - createcommand("LOADMODULE",handle_loadmodule,'o',1,""); - createcommand("UNLOADMODULE",handle_unloadmodule,'o',1,""); - createcommand("SERVER",handle_server,0,0,""); - createcommand("COMMANDS",handle_commands,0,0,""); + if (!MOD_RESULT) + user->WriteServ("%d %s", numeric, copy_text.c_str()); } -bool DirValid(char* dirandfile) +void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...) { - char work[MAXBUF]; - strlcpy(work,dirandfile,MAXBUF); - int p = strlen(work); - // we just want the dir - while (strlen(work)) - { - if (work[p] == '/') - { - work[p] = '\0'; - break; - } - work[p--] = '\0'; - } - char buffer[MAXBUF], otherdir[MAXBUF]; - // Get the current working directory - if( getcwd( buffer, MAXBUF ) == NULL ) - return false; - chdir(work); - if( getcwd( otherdir, MAXBUF ) == NULL ) - return false; - chdir(buffer); - if (strlen(otherdir) >= strlen(work)) - { - otherdir[strlen(work)] = '\0'; - if (!strcmp(otherdir,work)) - { - return true; - } - return false; - } - else return false; -} + char textbuffer[MAXBUF]; + va_list argsPtr; + va_start (argsPtr, format); + vsnprintf(textbuffer, MAXBUF, format, argsPtr); + va_end(argsPtr); -std::string GetFullProgDir(char** argv, int argc) -{ - char work[MAXBUF]; - strlcpy(work,argv[0],MAXBUF); - int p = strlen(work); - // we just want the dir - while (strlen(work)) - { - if (work[p] == '/') - { - work[p] = '\0'; - break; - } - work[p--] = '\0'; - } - char buffer[MAXBUF], otherdir[MAXBUF]; - // Get the current working directory - if( getcwd( buffer, MAXBUF ) == NULL ) - return ""; - chdir(work); - if( getcwd( otherdir, MAXBUF ) == NULL ) - return ""; - chdir(buffer); - return otherdir; + this->SendWhoisLine(user, dest, numeric, std::string(textbuffer)); }