X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=1cad143c510c207479f56a3ab631f9cb8d73c39f;hb=9422f4157ccff0482cd70105ada3bd9325455eaa;hp=841006613fb21c24b69e46719a3e247242139707;hpb=fea1a27cb96a114f698eedcf90401b78406108fb;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index 841006613..1cad143c5 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -2,411 +2,97 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 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. + * the file COPYING for details. * * --------------------------------------------------- */ -#include -#include "inspircd_config.h" #include "inspircd.h" -#include "configreader.h" -#include -#include -#include -#include -#include -#include -#include -#ifdef HAS_EXECINFO -#include -#endif -#include "connection.h" -#include "users.h" -#include "ctables.h" -#include "globals.h" -#include "modules.h" -#include "dynamic.h" +#include #include "wildcard.h" -#include "message.h" -#include "mode.h" #include "xline.h" -#include "commands.h" -#include "inspstring.h" -#include "helperfuncs.h" -#include "hashcomp.h" -#include "typedefs.h" - -extern int MODCOUNT; -extern ModuleList modules; -extern ServerConfig *Config; -extern InspIRCd* ServerInstance; -extern time_t TIME; -extern char lowermap[255]; -extern userrec* fd_ref_table[MAX_DESCRIPTORS]; -static unsigned long already_sent[MAX_DESCRIPTORS] = {0}; -extern std::vector all_opers; -extern user_hash clientlist; -extern chan_hash chanlist; - -char LOG_FILE[MAXBUF]; - -extern std::vector local_users; +#include "exitcodes.h" static char TIMESTR[26]; static time_t LAST = 0; -/* XXX: Used for speeding up WriteCommon operations */ -unsigned long uniq_id = 0; - -/** log() +/** 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 do_log(int level, const char *text, ...) +void InspIRCd::Log(int level, const char* text, ...) { - va_list argsPtr; - char textbuffer[MAXBUF]; + /* sanity check, just in case */ + if (!this->Config || !this->Logger) + return; - /* If we were given -debug we output all messages, regardless of configured loglevel */ + /* Do this check again here so that we save pointless vsnprintf calls */ if ((level < Config->LogLevel) && !Config->forcedebug) return; - if (TIME != LAST) - { - struct tm *timeinfo = localtime(&TIME); - - strlcpy(TIMESTR,asctime(timeinfo),26); - TIMESTR[24] = ':'; - LAST = TIME; - } - - if (Config->log_file) - { - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - if (Config->writelog) - { - fprintf(Config->log_file,"%s %s\n",TIMESTR,textbuffer); - fflush(Config->log_file); - } - } - - if (Config->nofork) - { - printf("%s %s\n", TIMESTR, textbuffer); - } -} - -/** readfile() - * Read the contents of a file located by `fname' into a file_cache pointed at by `F'. - * - * XXX - we may want to consider returning a file_cache or pointer to one, less confusing. - */ -void readfile(file_cache &F, const char* fname) -{ - 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) - { - 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()); -} - - -std::string GetServerDescription(const char* servername) -{ - std::string description = ""; - - FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description)); - - if (description != "") - { - return description; - } - else - { - // 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, ...) -{ - char textbuffer[MAXBUF]; va_list argsPtr; - bool sent_to_at_least_one = false; - - if (!u) - { - log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter"); - return; - } - - if (u->registered != REG_ALL) - { - log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user"); - return; - } + char textbuffer[65536]; va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); + vsnprintf(textbuffer, 65536, text, argsPtr); va_end(argsPtr); - // XXX: Save on memset calls by using an ID. This clever trick thought of during discussion with nazzy and w00t. - uniq_id++; - - for (std::vector::const_iterator v = u->chans.begin(); v != u->chans.end(); v++) - { - if (((ucrec*)(*v))->channel) - { - CUList *ulist= ((ucrec*)(*v))->channel->GetUsers(); - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id)) - { - already_sent[i->second->fd] = uniq_id; - i->second->WriteFrom(u,std::string(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) - { - u->WriteFrom(u,std::string(textbuffer)); - } + this->Log(level, std::string(textbuffer)); } -void WriteCommon_NoFormat(userrec *u, const char* text) +void InspIRCd::Log(int level, const std::string &text) { - bool sent_to_at_least_one = false; - - if (!u) - { - log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter"); + /* sanity check, just in case */ + if (!this->Config || !this->Logger) return; - } - - if (u->registered != REG_ALL) - { - log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user"); - return; - } - - // XXX: See comment in WriteCommon - uniq_id++; - for (std::vector::const_iterator v = u->chans.begin(); v != u->chans.end(); v++) - { - if (((ucrec*)(*v))->channel) - { - CUList *ulist= ((ucrec*)(*v))->channel->GetUsers(); - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id)) - { - already_sent[i->second->fd] = uniq_id; - i->second->WriteFrom(u,std::string(text)); - 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) - { - u->WriteFrom(u,std::string(text)); - } -} - - -/* 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 - */ - -void WriteCommonExcept(userrec *u, char* text, ...) -{ - char textbuffer[MAXBUF]; - char oper_quit[MAXBUF]; - bool quit_munge = false; - va_list argsPtr; - int total; - - if (!u) - { - log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter"); - return; - } - - if (u->registered != REG_ALL) - { - log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user"); + /* If we were given -debug we output all messages, regardless of configured loglevel */ + if ((level < Config->LogLevel) && !Config->forcedebug) return; - } - va_start(argsPtr, text); - total = vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - if ((Config->HideSplits) && (total > 6)) + if (Time() != LAST) { - /* Yeah yeah, this is ugly. But its fast, live with it. */ - char* check = textbuffer; - - if ((*check++ == 'Q') && (*check++ == 'U') && (*check++ == 'I') && (*check++ == 'T') && (*check++ == ' ') && (*check++ == ':')) - { - std::stringstream split(check); - std::string server_one; - std::string server_two; - - split >> server_one; - split >> server_two; + time_t local = Time(); + struct tm *timeinfo = localtime(&local); - if ((FindServerName(server_one)) && (FindServerName(server_two))) - { - strlcpy(oper_quit,textbuffer,MAXQUIT); - strlcpy(check,"*.net *.split",MAXQUIT); - quit_munge = true; - } - } + strlcpy(TIMESTR,asctime(timeinfo),26); + TIMESTR[24] = ':'; + LAST = Time(); } - if ((Config->HideBans) && (total > 13) && (!quit_munge)) + if (Config->log_file && Config->writelog) { - char* check = textbuffer; - - /* XXX - as above */ - if ((*check++ == 'Q') && (*check++ == 'U') && (*check++ == 'I') && (*check++ == 'T') && (*check++ == ' ') && (*check++ == ':')) - { - check++; - - if ((*check++ == '-') && (*check++ == 'L') && (*check++ == 'i') && (*check++ == 'n') && (*check++ == 'e') && (*check++ == 'd') && (*check++ == ':')) - { - strlcpy(oper_quit,textbuffer,MAXQUIT); - *(--check) = 0; // We don't need to strlcpy, we just chop it from the : - quit_munge = true; - } - } + std::string out = std::string(TIMESTR) + " " + text.c_str() + "\n"; + this->Logger->WriteLogLine(out); } - uniq_id++; - - for (std::vector::const_iterator v = u->chans.begin(); v != u->chans.end(); v++) + if (Config->nofork) { - if (((ucrec*)(*v))->channel) - { - CUList *ulist= ((ucrec*)(*v))->channel->GetUsers(); - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - if (u != i->second) - { - if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id)) - { - already_sent[i->second->fd] = uniq_id; - - if (quit_munge) - { - i->second->WriteFrom(u,*i->second->oper ? std::string(oper_quit) : std::string(textbuffer)); - } - else - i->second->WriteFrom(u,std::string(textbuffer)); - } - } - } - } + printf("%s %s\n", TIMESTR, text.c_str()); } } -void WriteCommonExcept_NoFormat(userrec *u, const char* text) +std::string InspIRCd::GetServerDescription(const char* servername) { - if (!u) - { - log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter"); - return; - } - - if (u->registered != REG_ALL) - { - log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user"); - return; - } + std::string description; - uniq_id++; + FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description)); - for (std::vector::const_iterator v = u->chans.begin(); v != u->chans.end(); v++) + if (!description.empty()) { - if (((ucrec*)(*v))->channel) - { - CUList *ulist= ((ucrec*)(*v))->channel->GetUsers(); - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - if (u != i->second) - { - if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id)) - { - already_sent[i->second->fd] = uniq_id; - i->second->WriteFrom(u,text); - } - } - } - } + return description; + } + else + { + // not a remote server that can be found, it must be me. + return Config->ServerDesc; } } - /* 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 @@ -414,48 +100,32 @@ void WriteCommonExcept_NoFormat(userrec *u, const char* text) * uses the oper list, which means if you have 2000 users but only 5 opers, * it iterates 5 times. */ -void WriteOpers(const char* text, ...) +void InspIRCd::WriteOpers(const char* text, ...) { char textbuffer[MAXBUF]; va_list argsPtr; - if (!text) - { - log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter"); - return; - } - va_start(argsPtr, text); vsnprintf(textbuffer, MAXBUF, text, argsPtr); va_end(argsPtr); - WriteOpers_NoFormat(textbuffer); + this->WriteOpers(std::string(textbuffer)); } -void WriteOpers_NoFormat(const char* text) +void InspIRCd::WriteOpers(const std::string &text) { - if (!text) - { - log(DEFAULT,"*** BUG *** WriteOpers_NoFormat was given an invalid parameter"); - return; - } - - for (std::vector::iterator i = all_opers.begin(); i != all_opers.end(); i++) + for (std::list::iterator i = this->all_opers.begin(); i != this->all_opers.end(); i++) { userrec* a = *i; - - if (IS_LOCAL(a)) + if (IS_LOCAL(a) && a->IsModeSet('s')) { - if (a->modes[UM_SERVERNOTICE]) - { - // send server notices to all with +s - a->WriteServ("NOTICE %s :%s",a->nick,text); - } + // 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; @@ -476,7 +146,7 @@ void ServerNoticeAll(char* text, ...) } } -void ServerPrivmsgAll(char* text, ...) +void InspIRCd::ServerPrivmsgAll(char* text, ...) { if (!text) return; @@ -497,15 +167,15 @@ void ServerPrivmsgAll(char* text, ...) } } -void WriteMode(const char* modes, int flags, const char* text, ...) +void InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...) { char textbuffer[MAXBUF]; int modelen; va_list argsPtr; - if ((!text) || (!modes) || (!flags)) + if (!text || !modes || !flags) { - log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); + this->Log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); return; } @@ -514,713 +184,215 @@ void WriteMode(const char* modes, int flags, const char* text, ...) va_end(argsPtr); modelen = strlen(modes); - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + if (flags == WM_AND) { - userrec* t = (userrec*)(*i); - bool send_to_user = false; - - if (flags == WM_AND) + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { - send_to_user = true; + userrec* t = *i; + bool send_to_user = true; for (int n = 0; n < modelen; n++) { - if (!t->modes[modes[n]-65]) + if (!t->IsModeSet(modes[n])) { send_to_user = false; break; } } + if (send_to_user) + { + t->WriteServ("NOTICE %s :%s", t->nick, textbuffer); + } } - else if (flags == WM_OR) + } + else if (flags == WM_OR) + { + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { - send_to_user = false; + userrec* t = *i; + bool send_to_user = false; for (int n = 0; n < modelen; n++) { - if (t->modes[modes[n]-65]) + if (t->IsModeSet(modes[n])) { send_to_user = true; break; } } - } - if (send_to_user) - { - t->WriteServ("NOTICE %s :%s",t->nick,textbuffer); - } - } -} - -void NoticeAll(userrec *source, bool local_only, char* text, ...) -{ - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - - if ((!text) || (!source)) - { - log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter"); - return; - } - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer); - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = *i; - t->WriteFrom(source,std::string(formatbuffer)); - } -} - - -void WriteWallOps(userrec *source, bool local_only, char* text, ...) -{ - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - - if ((!text) || (!source)) - { - log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter"); - return; - } - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - snprintf(formatbuffer,MAXBUF,"WALLOPS :%s",textbuffer); - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = (userrec*)(*i); - - if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS])) - { - source->WriteTo(t,std::string(formatbuffer)); + if (send_to_user) + { + t->WriteServ("NOTICE %s :%s", t->nick, textbuffer); + } } } } -/* 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. - */ -void strlower(char *n) -{ - if (n) - { - for (char* t = n; *t; t++) - *t = lowermap[(unsigned char)*t]; - } -} - /* Find a user record by nickname and return a pointer to it */ - -userrec* Find(const std::string &nick) +userrec* InspIRCd::FindNick(const std::string &nick) { - user_hash::iterator iter = clientlist.find(nick); + if (!nick.empty() && isdigit(*nick.begin())) + return FindUUID(nick); - if (iter == clientlist.end()) + user_hash::iterator iter = clientlist->find(nick); + + if (iter == clientlist->end()) /* Couldn't find it */ return NULL; return iter->second; } -userrec* Find(const char* nick) +userrec* InspIRCd::FindNick(const char* nick) { - user_hash::iterator iter; + if (isdigit(*nick)) + return FindUUID(nick); - if (!nick) - return NULL; - - iter = clientlist.find(nick); + user_hash::iterator iter = clientlist->find(nick); - if (iter == clientlist.end()) + if (iter == clientlist->end()) return NULL; return iter->second; } -/* find a channel record by channel name and return a pointer to it */ - -chanrec* FindChan(const char* chan) +userrec* InspIRCd::FindNickOnly(const std::string &nick) { - chan_hash::iterator iter; - - if (!chan) - { - log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter"); - return NULL; - } + user_hash::iterator iter = clientlist->find(nick); - iter = chanlist.find(chan); - - if (iter == chanlist.end()) - /* Couldn't find it */ + if (iter == clientlist->end()) return NULL; return iter->second; } - -long GetMaxBans(char* name) -{ - std::string x; - for (std::map::iterator n = Config->maxbans.begin(); n != Config->maxbans.end(); n++) - { - x = n->first; - if (match(name,x.c_str())) - { - return n->second; - } - } - return 64; -} - -void purge_empty_chans(userrec* u) +userrec* InspIRCd::FindNickOnly(const char* nick) { - std::vector to_delete; - - // firstly decrement the count on each channel - for (std::vector::iterator f = u->chans.begin(); f != u->chans.end(); f++) - { - ucrec* uc = (ucrec*)(*f); - if (uc->channel) - { - if (uc->channel->DelUser(u) == 0) - { - /* No users left in here, mark it for deletion */ - to_delete.push_back(uc->channel); - uc->channel = NULL; - } - } - } - - log(DEBUG,"purge_empty_chans: %d channels to delete",to_delete.size()); + user_hash::iterator iter = clientlist->find(nick); - for (std::vector::iterator n = to_delete.begin(); n != to_delete.end(); n++) - { - chanrec* thischan = (chanrec*)*n; - chan_hash::iterator i2 = chanlist.find(thischan->name); - if (i2 != chanlist.end()) - { - FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second)); - DELETE(i2->second); - chanlist.erase(i2); - } - } + if (iter == clientlist->end()) + return NULL; - u->UnOper(); + return iter->second; } - -char* chanmodes(chanrec *chan, bool showkey) +userrec *InspIRCd::FindUUID(const std::string &uid) { - static char scratch[MAXBUF]; - static char sparam[MAXBUF]; - char* offset = scratch; - std::string extparam = ""; - - if (!chan) - { - log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter"); - *scratch = '\0'; - return scratch; - } - - *scratch = '\0'; - *sparam = '\0'; - - /* This was still iterating up to 190, chanrec::custom_modes is only 64 elements -- Om */ - for(int n = 0; n < 64; n++) - { - if(chan->modes[n]) - { - *offset++ = n+65; - extparam = ""; - switch (n) - { - case CM_KEY: - extparam = (showkey ? chan->key : ""); - break; - case CM_LIMIT: - extparam = ConvToStr(chan->limit); - break; - case CM_NOEXTERNAL: - case CM_TOPICLOCK: - case CM_INVITEONLY: - case CM_MODERATED: - case CM_SECRET: - case CM_PRIVATE: - /* We know these have no parameters */ - break; - default: - extparam = chan->GetModeParameter(n+65); - break; - } - if (extparam != "") - { - charlcat(sparam,' ',MAXBUF); - strlcat(sparam,extparam.c_str(),MAXBUF); - } - } - } - - /* Null terminate scratch */ - *offset = '\0'; - strlcat(scratch,sparam,MAXBUF); - return scratch; + return FindUUID(uid.c_str()); } - -/* 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) +userrec *InspIRCd::FindUUID(const char *uid) { - if ((!c) || (!user)) - { - log(DEFAULT,"*** BUG *** userlist was given an invalid parameter"); - return; - } - - char list[MAXBUF]; - size_t dlen, curlen; - - dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name); - - int numusers = 0; - char* ptr = list + dlen; - - CUList *ulist= c->GetUsers(); + user_hash::iterator finduuid = uuidlist->find(uid); - /* Improvement by Brain - this doesnt change in value, so why was it inside - * the loop? - */ - bool has_user = c->HasUser(user); - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - if ((!has_user) && (i->second->modes[UM_INVISIBLE])) - { - /* - * user is +i, and source not on the channel, does not show - * nick in NAMES list - */ - continue; - } - - size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", cmode(i->second, c), i->second->nick); - - curlen += ptrlen; - ptr += ptrlen; - - numusers++; - - if (curlen > (480-NICKMAX)) - { - /* list overflowed into multiple numerics */ - user->WriteServ(list); - - /* reset our lengths */ - dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name); - ptr = list + dlen; - - ptrlen = 0; - numusers = 0; - } - } + if (finduuid == uuidlist->end()) + return NULL; - /* if whats left in the list isnt empty, send it */ - if (numusers) - { - user->WriteServ(list); - } + return finduuid->second; } -/* - * 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) +/* find a channel record by channel name and return a pointer to it */ +chanrec* InspIRCd::FindChan(const char* chan) { - int count = 0; + chan_hash::iterator iter = chanlist->find(chan); - if (!c) - return 0; - - CUList *ulist= c->GetUsers(); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - if (!(i->second->modes[UM_INVISIBLE])) - count++; - } + if (iter == chanlist->end()) + /* Couldn't find it */ + return NULL; - return count; + return iter->second; } -int usercount(chanrec *c) +chanrec* InspIRCd::FindChan(const std::string &chan) { - return (c ? c->GetUserCounter() : 0); -} + chan_hash::iterator iter = chanlist->find(chan); + if (iter == chanlist->end()) + /* Couldn't find it */ + return NULL; -/* looks up a users password for their connection class (/ tags) - * NOTE: If the or tag specifies an ip, and this user resolves, - * then their ip will be taken as 'priority' anyway, so for example, - * will match joe!bloggs@localhost - */ -ConnectClass GetClass(userrec *user) -{ - for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++) - { - if ((match(user->GetIPString(),i->host.c_str(),true)) || (match(user->host,i->host.c_str()))) - { - return *i; - } - } - - return *(Config->Classes.begin()); + return iter->second; } -/* - * sends out an error notice to all connected clients (not to be used - * lightly!) - */ -void send_error(char *s) +/* Send an error notice to all users, registered or not */ +void InspIRCd::SendError(const std::string &s) { - log(DEBUG,"send_error: %s",s); - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + for (std::vector::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++) { - userrec* t = (userrec*)(*i); - if (t->registered == REG_ALL) + if ((*i)->registered == REG_ALL) { - t->WriteServ("NOTICE %s :%s",t->nick,s); + (*i)->WriteServ("NOTICE %s :%s",(*i)->nick,s.c_str()); } else { - // fix - unregistered connections receive ERROR, not NOTICE - t->Write("ERROR :%s",s); + /* 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(); } } -void Error(int status) -{ - void *array[300]; - size_t size; - char **strings; - - 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 ***"); -#ifdef HAS_EXECINFO - log(DEFAULT,"Please report the backtrace lines shown below with any bugreport to the bugtracker at http://www.inspircd.org/bugtrack/"); - size = backtrace(array, 30); - strings = backtrace_symbols(array, size); - for (size_t i = 0; i < size; i++) { - log(DEFAULT,"[%d] %s", i, strings[i]); - } - free(strings); - WriteOpers("*** SIGSEGV: Please see the ircd.log for backtrace and report the error to http://www.inspircd.org/bugtrack/"); -#else - log(DEFAULT,"You do not have execinfo.h so i could not backtrace -- on FreeBSD, please install the libexecinfo port."); -#endif - send_error("Somebody screwed up... Whoops. IRC Server terminating."); - signal(SIGSEGV, SIG_DFL); - if (raise(SIGSEGV) == -1) - { - log(DEFAULT,"What the hell, i couldnt re-raise SIGSEGV! Error: %s",strerror(errno)); - } - Exit(status); -} - -// this function counts all users connected, wether they are registered or NOT. -int usercnt(void) -{ - return clientlist.size(); -} - -// 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++) - { - c += (i->second->registered == REG_ALL); - } - - return c; -} - -int usercount_invisible(void) -{ - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - c += ((i->second->registered == REG_ALL) && (i->second->modes[UM_INVISIBLE])); - } - - return c; -} - -int usercount_opers(void) -{ - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if (*(i->second->oper)) - c++; - } - return c; -} - -int usercount_unknown(void) -{ - int c = 0; - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = (userrec*)(*i); - if (t->registered != REG_ALL) - c++; - } - - return c; -} - -long chancount(void) -{ - return chanlist.size(); -} - -long local_count() -{ - int c = 0; - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = (userrec*)(*i); - if (t->registered == REG_ALL) - c++; - } - - return c; -} - -void ShowMOTD(userrec *user) +/* this function counts all users connected, wether they are registered or NOT. */ +int InspIRCd::UserCount() { - if (!Config->MOTD.size()) - { - user->WriteServ("422 %s :Message of the day file is missing.",user->nick); - return; - } - user->WriteServ("375 %s :%s message of the day", user->nick, Config->ServerName); - - for (unsigned int i = 0; i < Config->MOTD.size(); i++) - user->WriteServ("372 %s :- %s",user->nick,Config->MOTD[i].c_str()); - - user->WriteServ("376 %s :End of message of the day.", user->nick); + return clientlist->size(); } -void ShowRULES(userrec *user) +/* 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() { - if (!Config->RULES.size()) - { - user->WriteServ("NOTICE %s :Rules file is missing.",user->nick); - return; - } - user->WriteServ("NOTICE %s :%s rules",user->nick,Config->ServerName); - - for (unsigned int i = 0; i < Config->RULES.size(); i++) - user->WriteServ("NOTICE %s :%s",user->nick,Config->RULES[i].c_str()); - - user->WriteServ("NOTICE %s :End of %s rules.",user->nick,Config->ServerName); + return clientlist->size() - this->UnregisteredUserCount(); } -// 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) +/* return how many users have a given mode e.g. 'a' */ +int InspIRCd::ModeCount(const char mode) { - if (!Config->global_implementation[I_OnCheckReady]) - return true; - - for (int i = 0; i <= MODCOUNT; i++) - { - if (Config->implement_lists[i][I_OnCheckReady]) - { - int res = modules[i]->OnCheckReady(user); - if (!res) - return false; - } - } + ModeHandler* mh = this->Modes->FindMode(mode, MODETYPE_USER); - return true; + if (mh) + return mh->GetCount(); + else + return 0; } -/* Make Sure Modules Are Avaliable! - * (BugFix By Craig.. See? I do work! :p) - * Modified by brain, requires const char* - * to work with other API functions - */ - -/* XXX - Needed? */ -bool FileExists (const char* file) +/* wrapper for readability */ +int InspIRCd::InvisibleUserCount() { - FILE *input; - if ((input = fopen (file, "r")) == NULL) - { - return(false); - } - else - { - fclose (input); - return(true); - } + return ModeCount('i'); } -char* CleanFilename(char* name) +/* return how many users are opered */ +int InspIRCd::OperCount() { - char* p = name + strlen(name); - while ((p != name) && (*p != '/')) p--; - return (p != name ? ++p : p); + return this->all_opers.size(); } -bool DirValid(char* dirandfile) +/* return how many users are unregistered */ +int InspIRCd::UnregisteredUserCount() { - char work[MAXBUF]; - char buffer[MAXBUF]; - char otherdir[MAXBUF]; - int p; - - strlcpy(work, dirandfile, MAXBUF); - p = strlen(work); - - // we just want the dir - while (*work) - { - if (work[p] == '/') - { - work[p] = '\0'; - break; - } - - work[p--] = '\0'; - } - - // Get the current working directory - if (getcwd(buffer, MAXBUF ) == NULL ) - return false; - - chdir(work); - - if (getcwd(otherdir, MAXBUF ) == NULL ) - return false; - - chdir(buffer); - - size_t t = strlen(work); - - if (strlen(otherdir) >= t) - { - otherdir[t] = '\0'; - - if (!strcmp(otherdir,work)) - { - return true; - } - - return false; - } - else - { - return false; - } + return this->unregistered_count; } -std::string GetFullProgDir(char** argv, int argc) +/* return channel count */ +long InspIRCd::ChannelCount() { - char work[MAXBUF]; - char buffer[MAXBUF]; - char otherdir[MAXBUF]; - int p; - - strlcpy(work,argv[0],MAXBUF); - p = strlen(work); - - // we just want the dir - while (*work) - { - if (work[p] == '/') - { - work[p] = '\0'; - break; - } - - work[p--] = '\0'; - } - - // Get the current working directory - if (getcwd(buffer, MAXBUF) == NULL) - return ""; - - chdir(work); - - if (getcwd(otherdir, MAXBUF) == NULL) - return ""; - - chdir(buffer); - return otherdir; + return chanlist->size(); } -int InsertMode(std::string &output, const char* mode, unsigned short section) +/* return how many local registered users there are */ +long InspIRCd::LocalUserCount() { - unsigned short currsection = 1; - unsigned int pos = output.find("CHANMODES=", 0) + 10; // +10 for the length of "CHANMODES=" - - if(section > 4 || section == 0) - { - log(DEBUG, "InsertMode: CHANMODES doesn't have a section %dh :/", section); - return 0; - } - - for(; pos < output.size(); pos++) - { - if(section == currsection) - break; - - if(output[pos] == ',') - currsection++; - } - - output.insert(pos, mode); - return 1; + /* Doesnt count unregistered clients */ + return (local_users.size() - this->UnregisteredUserCount()); } -bool IsValidChannelName(const char *chname) +/* true for valid channel name, false else */ +bool InspIRCd::IsChannel(const char *chname) { char *c; @@ -1253,112 +425,126 @@ bool IsValidChannelName(const char *chname) return true; } -inline int charlcat(char* x,char y,int z) +/* true for valid nickname, false else */ +bool IsNickHandler::Call(const char* n) { - char* x__n = x; - int v = 0; + 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; + } - while(*x__n++) - v++; + if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n)) + { + /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */ + continue; + } - if (v < z - 1) - { - *--x__n = y; - *++x__n = 0; + /* invalid character! abort */ + return false; } - return v; + /* too long? or not -- pointer arithmetic rocks */ + return (p < NICKMAX - 1); } -bool charremove(char* mp, char remove) +/* return true for good ident, false else */ +bool IsIdentHandler::Call(const char* n) { - char* mptr = mp; - bool shift_down = false; + if (!n || !*n) + return false; - while (*mptr) + for (char* i = (char*)n; *i; i++) { - if (*mptr == remove) - shift_down = true; + if ((*i >= 'A') && (*i <= '}')) + { + continue; + } - if (shift_down) - *mptr = *(mptr+1); + if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.')) + { + continue; + } - mptr++; + return false; } - return shift_down; + return true; } -void OpenLog(char** argv, int argc) +/* open the proper logfile */ +bool InspIRCd::OpenLog(char** argv, int argc) { - if (!*LOG_FILE) + Config->MyDir = Config->GetFullProgDir(); + + if (!*this->LogFileName) { - if (Config->logpath == "") + if (Config->logpath.empty()) { - Config->logpath = GetFullProgDir(argv,argc) + "/ircd.log"; + Config->logpath = Config->MyDir + "/ircd.log"; } + + Config->log_file = fopen(Config->logpath.c_str(),"a+"); } else { - Config->log_file = fopen(LOG_FILE,"a+"); - - if (!Config->log_file) - { - printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str()); - Exit(ERROR); - } - - return; + Config->log_file = fopen(this->LogFileName,"a+"); } - Config->log_file = fopen(Config->logpath.c_str(),"a+"); - if (!Config->log_file) { - printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str()); - Exit(ERROR); + this->Logger = NULL; + return false; } + + this->Logger = new FileLogger(this, Config->log_file); + return true; } -void CheckRoot() +void InspIRCd::CheckRoot() { if (geteuid() == 0) { printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n"); - log(DEFAULT,"InspIRCd: startup: not starting with UID 0!"); - Exit(ERROR); + this->Log(DEFAULT,"Cant start as root"); + Exit(EXIT_STATUS_ROOT); } } -void CheckDie() +void InspIRCd::CheckDie() { if (*Config->DieValue) { printf("WARNING: %s\n\n",Config->DieValue); - log(DEFAULT,"Uh-Oh, somebody didn't read their config file: '%s'",Config->DieValue); - Exit(ERROR); + this->Log(DEFAULT,"Died because of tag: %s",Config->DieValue); + Exit(EXIT_STATUS_DIETAG); } } -/* We must load the modules AFTER initializing the socket engine, now */ -void LoadAllModules(InspIRCd* ServerInstance) +void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text) { - char configToken[MAXBUF]; - Config->module_names.clear(); - MODCOUNT = -1; + std::string copy_text = text; - for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++) - { - Config->ConfValue(Config->config_data, "module","name",count,configToken,MAXBUF); - printf("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken); - - if (!ServerInstance->LoadModule(configToken)) - { - log(DEFAULT,"Exiting due to a module loader error."); - printf("\nThere was an error loading a module: %s\n\n",ServerInstance->ModuleError()); - Exit(0); - } - } - - log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1); + int MOD_RESULT = 0; + FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text)); + + if (!MOD_RESULT) + user->WriteServ("%d %s", numeric, copy_text.c_str()); +} + +void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...) +{ + char textbuffer[MAXBUF]; + va_list argsPtr; + va_start (argsPtr, format); + vsnprintf(textbuffer, MAXBUF, format, argsPtr); + va_end(argsPtr); + + this->SendWhoisLine(user, dest, numeric, std::string(textbuffer)); }