X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=d46f53ec7fa7c1c3567e6e42fecc467ee74f909b;hb=5ca2a6ffdb4dbb7f7d8f120df5f99d85d484b3ab;hp=1f2a6646b5ea838ef952f77feaa25dad8656ab50;hpb=2591562ada4cb1f866e5d1c98340fb19332b3844;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index 1f2a6646b..d46f53ec7 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -2,1012 +2,470 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * + * InspIRCd: (C) 2002-2008 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. * * --------------------------------------------------- */ -#include -#include "inspircd_config.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" +/* $Core: libIRCDhelper */ + +#include "inspircd.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" -#include "typedefs.h" -#include "inspircd.h" - -extern int MODCOUNT; -extern ModuleList modules; -extern InspIRCd* ServerInstance; -extern time_t TIME; -extern char lowermap[255]; -extern std::vector all_opers; - -char LOG_FILE[MAXBUF]; - -static char TIMESTR[26]; -static time_t LAST = 0; - -/** 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, ...) -{ - va_list argsPtr; - char textbuffer[MAXBUF]; - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - InspIRCd::Log(level, std::string(textbuffer)); -} - -void InspIRCd::Log(int level, const std::string &text) -{ - if (!ServerInstance || !ServerInstance->Config) - return; - - /* If we were given -debug we output all messages, regardless of configured loglevel */ - if ((level < ServerInstance->Config->LogLevel) && !ServerInstance->Config->forcedebug) - return; - - if (TIME != LAST) - { - struct tm *timeinfo = localtime(&TIME); - - strlcpy(TIMESTR,asctime(timeinfo),26); - TIMESTR[24] = ':'; - LAST = TIME; - } - - if (ServerInstance->Config->log_file && ServerInstance->Config->writelog) - { - fprintf(ServerInstance->Config->log_file,"%s %s\n",TIMESTR,text.c_str()); - fflush(ServerInstance->Config->log_file); - } - - if (ServerInstance->Config->nofork) - { - printf("%s %s\n", TIMESTR, text.c_str()); - } -} +#include "exitcodes.h" -std::string GetServerDescription(const char* servername) +std::string InspIRCd::GetServerDescription(const char* servername) { - std::string description = ""; + std::string description; - FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description)); + FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description)); - if (description != "") + if (!description.empty()) { return description; } else { // not a remote server that can be found, it must be me. - return ServerInstance->Config->ServerDesc; + 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 - * 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 WriteOpers(const char* text, ...) +/* Find a user record by nickname and return a pointer to it */ +User* InspIRCd::FindNick(const std::string &nick) { - char textbuffer[MAXBUF]; - va_list argsPtr; - - if (!text) - { - log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter"); - return; - } + if (!nick.empty() && isdigit(*nick.begin())) + return FindUUID(nick); - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - WriteOpers_NoFormat(textbuffer); -} - -void WriteOpers_NoFormat(const char* text) -{ - if (!text) - { - log(DEFAULT,"*** BUG *** WriteOpers_NoFormat was given an invalid parameter"); - return; - } + user_hash::iterator iter = this->Users->clientlist->find(nick); - for (std::vector::iterator i = all_opers.begin(); i != all_opers.end(); i++) - { - userrec* a = *i; + if (iter == this->Users->clientlist->end()) + /* Couldn't find it */ + return NULL; - if (IS_LOCAL(a)) - { - if (a->modes[UM_SERVERNOTICE]) - { - // send server notices to all with +s - a->WriteServ("NOTICE %s :%s",a->nick,text); - } - } - } + return iter->second; } -void InspIRCd::ServerNoticeAll(char* text, ...) +User* InspIRCd::FindNick(const char* nick) { - if (!text) - return; - - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); + if (isdigit(*nick)) + return FindUUID(nick); - snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",ServerInstance->Config->ServerName,textbuffer); + user_hash::iterator iter = this->Users->clientlist->find(nick); + + if (iter == this->Users->clientlist->end()) + return NULL; - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = *i; - t->WriteServ(std::string(formatbuffer)); - } + return iter->second; } -void InspIRCd::ServerPrivmsgAll(char* text, ...) +User* InspIRCd::FindNickOnly(const std::string &nick) { - if (!text) - return; - - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); + user_hash::iterator iter = this->Users->clientlist->find(nick); - snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",ServerInstance->Config->ServerName,textbuffer); + if (iter == this->Users->clientlist->end()) + return NULL; - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = *i; - t->WriteServ(std::string(formatbuffer)); - } + return iter->second; } -void InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...) +User* InspIRCd::FindNickOnly(const char* nick) { - char textbuffer[MAXBUF]; - int modelen; - va_list argsPtr; + user_hash::iterator iter = this->Users->clientlist->find(nick); - if ((!text) || (!modes) || (!flags)) - { - log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); - return; - } - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - modelen = strlen(modes); - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = (userrec*)(*i); - bool send_to_user = false; - - if (flags == WM_AND) - { - send_to_user = true; - - for (int n = 0; n < modelen; n++) - { - if (!t->modes[modes[n]-65]) - { - send_to_user = false; - break; - } - } - } - else if (flags == WM_OR) - { - send_to_user = false; - - for (int n = 0; n < modelen; n++) - { - if (t->modes[modes[n]-65]) - { - send_to_user = true; - break; - } - } - } + if (iter == this->Users->clientlist->end()) + return NULL; - if (send_to_user) - { - t->WriteServ("NOTICE %s :%s",t->nick,textbuffer); - } - } + return iter->second; } -/* 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) +User *InspIRCd::FindUUID(const std::string &uid) { - if (n) - { - for (char* t = n; *t; t++) - *t = lowermap[(unsigned char)*t]; - } + return FindUUID(uid.c_str()); } -/* Find a user record by nickname and return a pointer to it */ - -userrec* Find(const std::string &nick) +User *InspIRCd::FindUUID(const char *uid) { - user_hash::iterator iter = ServerInstance->clientlist.find(nick); + user_hash::iterator finduuid = this->Users->uuidlist->find(uid); - if (iter == ServerInstance->clientlist.end()) - /* Couldn't find it */ + if (finduuid == this->Users->uuidlist->end()) return NULL; - return iter->second; + return finduuid->second; } -userrec* Find(const char* nick) +/* find a channel record by channel name and return a pointer to it */ +Channel* InspIRCd::FindChan(const char* chan) { - user_hash::iterator iter; - - if (!nick) - return NULL; + chan_hash::iterator iter = chanlist->find(chan); - iter = ServerInstance->clientlist.find(nick); - - if (iter == ServerInstance->clientlist.end()) + if (iter == chanlist->end()) + /* Couldn't find it */ return NULL; return iter->second; } -/* find a channel record by channel name and return a pointer to it */ - -chanrec* FindChan(const char* chan) +Channel* InspIRCd::FindChan(const std::string &chan) { - chan_hash::iterator iter; - - if (!chan) - { - log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter"); - return NULL; - } + chan_hash::iterator iter = chanlist->find(chan); - iter = ServerInstance->chanlist.find(chan); - - if (iter == ServerInstance->chanlist.end()) + if (iter == chanlist->end()) /* Couldn't find it */ return NULL; return iter->second; } - -long GetMaxBans(char* name) +/* Send an error notice to all users, registered or not */ +void InspIRCd::SendError(const std::string &s) { - std::string x; - for (std::map::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++) + for (std::vector::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++) { - x = n->first; - if (match(name,x.c_str())) + if ((*i)->registered == REG_ALL) + { + (*i)->WriteServ("NOTICE %s :%s",(*i)->nick.c_str(),s.c_str()); + } + else { - return n->second; + /* 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(); } - return 64; } -void purge_empty_chans(userrec* u) +/* return channel count */ +long InspIRCd::ChannelCount() { - 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()); - - for (std::vector::iterator n = to_delete.begin(); n != to_delete.end(); n++) - { - chanrec* thischan = (chanrec*)*n; - chan_hash::iterator i2 = ServerInstance->chanlist.find(thischan->name); - if (i2 != ServerInstance->chanlist.end()) - { - FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second)); - DELETE(i2->second); - ServerInstance->chanlist.erase(i2); - } - } - - u->UnOper(); + return chanlist->size(); } - -char* chanmodes(chanrec *chan, bool showkey) +bool InspIRCd::IsValidMask(const std::string &mask) { - static char scratch[MAXBUF]; - static char sparam[MAXBUF]; - char* offset = scratch; - std::string extparam = ""; + char* dest = (char*)mask.c_str(); + int exclamation = 0; + int atsign = 0; - if (!chan) + for (char* i = dest; *i; i++) { - log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter"); - *scratch = '\0'; - return scratch; - } - - *scratch = '\0'; - *sparam = '\0'; + /* out of range character, bad mask */ + if (*i < 32 || *i > 126) + { + return false; + } - /* 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]) + switch (*i) { - *offset++ = n+65; - extparam = ""; - switch (n) - { - case CM_KEY: - extparam = (showkey ? chan->key : ""); + case '!': + exclamation++; break; - case CM_LIMIT: - extparam = ConvToStr(chan->limit); + case '@': + atsign++; 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; -} - + /* valid masks only have 1 ! and @ */ + if (exclamation != 1 || atsign != 1) + return false; -/* compile a userlist of a channel into a string, each nick seperated by - * spaces and op, voice etc status shown as @ and + */ + return true; +} -void userlist(userrec *user,chanrec *c) +/* true for valid channel name, false else */ +bool IsChannelHandler::Call(const char *chname, size_t max) { - if ((!c) || (!user)) + const char *c = chname + 1; + + /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */ + if (!chname || *chname != '#') { - log(DEFAULT,"*** BUG *** userlist was given an invalid parameter"); - return; + return false; } - 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(); - - /* 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++) + while (*c) { - 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)) + switch (*c) { - /* 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; + case ' ': + case ',': + case 7: + return false; } - } - /* if whats left in the list isnt empty, send it */ - if (numusers) - { - user->WriteServ(list); + c++; } -} -/* - * 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 count = 0; - - if (!c) - return 0; - - CUList *ulist= c->GetUsers(); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + size_t len = c - chname; + /* too long a name - note funky pointer arithmetic here. */ + if (len > max) { - if (!(i->second->modes[UM_INVISIBLE])) - count++; + return false; } - return count; + return true; } -/* 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) +/* true for valid nickname, false else */ +bool IsNickHandler::Call(const char* n, size_t max) { - for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++) + if (!n || !*n) + return false; + + unsigned int p = 0; + for (const char* i = n; *i; i++, p++) { - if ((match(user->GetIPString(),i->host.c_str(),true)) || (match(user->host,i->host.c_str()))) + if ((*i >= 'A') && (*i <= '}')) { - return *i; + /* "A"-"}" can occur anywhere in a nickname */ + continue; } - } - - return *(ServerInstance->Config->Classes.begin()); -} -/* - * sends out an error notice to all connected clients (not to be used - * lightly!) - */ -void InspIRCd::SendError(const char *s) -{ - 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) - { - t->WriteServ("NOTICE %s :%s",t->nick,s); - } - else + if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n)) { - // fix - unregistered connections receive ERROR, not NOTICE - t->Write("ERROR :%s",s); + /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */ + continue; } - } -} - -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 - ServerInstance->SendError("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 InspIRCd::usercnt() -{ - 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 InspIRCd::registered_usercount() -{ - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - c += (i->second->registered == REG_ALL); - } - - return c; -} - -int InspIRCd::usercount_invisible() -{ - 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 InspIRCd::usercount_opers() -{ - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if (*(i->second->oper)) - c++; - } - return c; -} - -int InspIRCd::usercount_unknown() -{ - 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 InspIRCd::chancount() -{ - return chanlist.size(); -} - -long InspIRCd::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++; + /* invalid character! abort */ + return false; } - return c; + /* too long? or not -- pointer arithmetic rocks */ + return (p < max); } -void ShowMOTD(userrec *user) +/* return true for good ident, false else */ +bool IsIdentHandler::Call(const char* n) { - if (!ServerInstance->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, ServerInstance->Config->ServerName); - - for (unsigned int i = 0; i < ServerInstance->Config->MOTD.size(); i++) - user->WriteServ("372 %s :- %s",user->nick,ServerInstance->Config->MOTD[i].c_str()); - - user->WriteServ("376 %s :End of message of the day.", user->nick); -} + if (!n || !*n) + return false; -void ShowRULES(userrec *user) -{ - if (!ServerInstance->Config->RULES.size()) + for (const char* i = n; *i; i++) { - user->WriteServ("NOTICE %s :Rules file is missing.",user->nick); - return; - } - user->WriteServ("NOTICE %s :%s rules",user->nick,ServerInstance->Config->ServerName); - - for (unsigned int i = 0; i < ServerInstance->Config->RULES.size(); i++) - user->WriteServ("NOTICE %s :%s",user->nick,ServerInstance->Config->RULES[i].c_str()); - - user->WriteServ("NOTICE %s :End of %s rules.",user->nick,ServerInstance->Config->ServerName); -} - -// 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) -{ - if (!ServerInstance->Config->global_implementation[I_OnCheckReady]) - return true; + if ((*i >= 'A') && (*i <= '}')) + { + continue; + } - for (int i = 0; i <= MODCOUNT; i++) - { - if (ServerInstance->Config->implement_lists[i][I_OnCheckReady]) + if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.')) { - int res = modules[i]->OnCheckReady(user); - if (!res) - return false; + continue; } + + return false; } return true; } -/* 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) +bool IsSIDHandler::Call(const std::string &str) { - FILE *input; - if ((input = fopen (file, "r")) == NULL) - { - return(false); - } - else - { - fclose (input); - return(true); - } -} - -char* CleanFilename(char* name) -{ - char* p = name + strlen(name); - while ((p != name) && (*p != '/')) p--; - return (p != name ? ++p : p); + /* Returns true if the string given is exactly 3 characters long, + * starts with a digit, and the other two characters are A-Z or digits + */ + return ((str.length() == 3) && isdigit(str[0]) && + ((str[1] >= 'A' && str[1] <= 'Z') || isdigit(str[1])) && + ((str[2] >= 'A' && str[2] <= 'Z') || isdigit(str[2]))); } -bool DirValid(char* dirandfile) +/* open the proper logfile */ +bool InspIRCd::OpenLog(char**, int) { - char work[MAXBUF]; - char buffer[MAXBUF]; - char otherdir[MAXBUF]; - int p; - - strlcpy(work, dirandfile, MAXBUF); - p = strlen(work); + /* This function only happens at startup now */ + if (Config->nofork) + { + this->Logs->SetupNoFork(); + } + Config->MyDir = Config->GetFullProgDir(); - // we just want the dir - while (*work) + /* Attempt to find home directory, portable to windows */ + const char* home = getenv("HOME"); + if (!home) { - if (work[p] == '/') + /* No $HOME, log to %USERPROFILE% */ + home = getenv("USERPROFILE"); + if (!home) { - work[p] = '\0'; - break; + /* Nothing could be found at all, log to current dir */ + Config->logpath = "./startup.log"; } - - 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 (!Config->writelog) return true; // Skip opening default log if -nolog - if (strlen(otherdir) >= t) + if (!*this->LogFileName) { - otherdir[t] = '\0'; - - if (!strcmp(otherdir,work)) + if (Config->logpath.empty()) { - return true; + std::string path = std::string(home) + "/.inspircd"; + // This tries to create the ~/.inspircd. If it succeeds, then we go ahead and use it. + // If it fails due to an existing target, then we use it anyway. + // Either way, we make sure we can get write access to the log at this point. + if (!mkdir(path.c_str(), 0700) || errno == EEXIST) + { + /* Log to ~/.inspircd/ircd.log */ + Config->logpath = path + "/startup.log"; + FILE* fd = fopen(Config->logpath.c_str(), "a+"); + if (!fd) + { + // Could not get write access... Why? + if (errno == ENOTDIR) + // ~/.inspircd is not actually a directory! + printf("\nWARNING: Unable to create directory: %s (Exists and is not a directory)\n", path.c_str()); + else + // Not writable for some other reason (no +w access, readonly fs, file too big, whatever). + printf("\nWARNING: No write access to %s (%s)\n", Config->logpath.c_str(), strerror(errno)); + Config->logpath = "./startup.log"; + } + else + { + Config->log_file = fd; + } + } + else + { + /* Couldn't make ~/.inspircd directory, log to current dir */ + Config->logpath = "./startup.log"; + printf("\nWARNING: Unable to create directory: %s (%s)\n", path.c_str(), strerror(errno)); + } } - return false; + if (!Config->log_file) + Config->log_file = fopen(Config->logpath.c_str(),"a+"); } else { - return false; + Config->log_file = fopen(this->LogFileName,"a+"); } -} -std::string GetFullProgDir(char** argv, int argc) -{ - 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 (!Config->log_file) { - if (work[p] == '/') - { - work[p] = '\0'; - break; - } - - work[p--] = '\0'; + return false; } - // Get the current working directory - if (getcwd(buffer, MAXBUF) == NULL) - return ""; - - chdir(work); + FileWriter* fw = new FileWriter(this, Config->log_file); + FileLogStream *f = new FileLogStream(this, (Config->forcedebug ? DEBUG : DEFAULT), fw); - if (getcwd(otherdir, MAXBUF) == NULL) - return ""; + this->Logs->AddLogType("*", f, true); - chdir(buffer); - return otherdir; + return true; } -int InsertMode(std::string &output, const char* mode, unsigned short section) +void InspIRCd::CheckRoot() { - 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 (geteuid() == 0) { - if(section == currsection) - break; - - if(output[pos] == ',') - currsection++; + printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n"); + this->Logs->Log("STARTUP",DEFAULT,"Cant start as root"); + Exit(EXIT_STATUS_ROOT); } - - output.insert(pos, mode); - return 1; } -bool IsValidChannelName(const char *chname) +void InspIRCd::CheckDie() { - char *c; - - /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */ - if (!chname || *chname != '#') + if (*Config->DieValue) { - return false; + printf("WARNING: %s\n\n",Config->DieValue); + this->Logs->Log("CONFIG",DEFAULT,"Died because of tag: %s",Config->DieValue); + Exit(EXIT_STATUS_DIETAG); } - - c = (char *)chname + 1; - while (*c) - { - switch (*c) - { - case ' ': - case ',': - case 7: - return false; - } - - c++; - } - - /* too long a name - note funky pointer arithmetic here. */ - if ((c - chname) > CHANMAX) - { - return false; - } - - return true; } -inline int charlcat(char* x,char y,int z) +void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const std::string &text) { - char* x__n = x; - int v = 0; + std::string copy_text = text; - while(*x__n++) - v++; - - if (v < z - 1) - { - *--x__n = y; - *++x__n = 0; - } + int MOD_RESULT = 0; + FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text)); - return v; + if (!MOD_RESULT) + user->WriteServ("%d %s", numeric, copy_text.c_str()); } -bool charremove(char* mp, char remove) +void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const char* format, ...) { - char* mptr = mp; - bool shift_down = false; - - while (*mptr) - { - if (*mptr == remove) - shift_down = true; - - if (shift_down) - *mptr = *(mptr+1); - - mptr++; - } + char textbuffer[MAXBUF]; + va_list argsPtr; + va_start (argsPtr, format); + vsnprintf(textbuffer, MAXBUF, format, argsPtr); + va_end(argsPtr); - return shift_down; + this->SendWhoisLine(user, dest, numeric, std::string(textbuffer)); } -void OpenLog(char** argv, int argc) +/** Refactored by Brain, Jun 2008. Much faster with some clever O(1) array + * lookups and pointer maths. + */ +long InspIRCd::Duration(const std::string &str) { - if (!*LOG_FILE) + unsigned char multiplier = 0; + long total = 0; + long times = 1; + long subtotal = 0; + + /* Iterate each item in the string, looking for number or multiplier */ + for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i) { - if (ServerInstance->Config->logpath == "") + /* Found a number, queue it onto the current number */ + if ((*i >= '0') && (*i <= '9')) { - ServerInstance->Config->logpath = GetFullProgDir(argv,argc) + "/ircd.log"; + subtotal = subtotal + ((*i - '0') * times); + times = times * 10; } - } - else - { - ServerInstance->Config->log_file = fopen(LOG_FILE,"a+"); - - if (!ServerInstance->Config->log_file) + else { - printf("ERROR: Could not write to logfile %s, bailing!\n\n",ServerInstance->Config->logpath.c_str()); - Exit(ERROR); + /* Found something thats not a number, find out how much + * it multiplies the built up number by, multiply the total + * and reset the built up number. + */ + if (subtotal) + total += subtotal * duration_multi[multiplier]; + + /* Next subtotal please */ + subtotal = 0; + multiplier = *i; + times = 1; } - - return; } - - ServerInstance->Config->log_file = fopen(ServerInstance->Config->logpath.c_str(),"a+"); - - if (!ServerInstance->Config->log_file) + if (multiplier) { - printf("ERROR: Could not write to logfile %s, bailing!\n\n",ServerInstance->Config->logpath.c_str()); - Exit(ERROR); + total += subtotal * duration_multi[multiplier]; + subtotal = 0; } + /* Any trailing values built up are treated as raw seconds */ + return total + subtotal; } -void CheckRoot() +bool InspIRCd::ULine(const char* sserver) { - 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); - } + if (!sserver) + return false; + if (!*sserver) + return true; + + return (Config->ulines.find(sserver) != Config->ulines.end()); } -void CheckDie() +bool InspIRCd::SilentULine(const char* sserver) { - if (*ServerInstance->Config->DieValue) - { - printf("WARNING: %s\n\n",ServerInstance->Config->DieValue); - log(DEFAULT,"Uh-Oh, somebody didn't read their config file: '%s'",ServerInstance->Config->DieValue); - Exit(ERROR); - } + std::map::iterator n = Config->ulines.find(sserver); + if (n != Config->ulines.end()) + return n->second; + else return false; } -/* We must load the modules AFTER initializing the socket engine, now */ -void LoadAllModules(InspIRCd* ServerInstance) +std::string InspIRCd::TimeString(time_t curtime) { - char configToken[MAXBUF]; - ServerInstance->Config->module_names.clear(); - MODCOUNT = -1; - - for (int count = 0; count < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "module"); count++) - { - ServerInstance->Config->ConfValue(ServerInstance->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); + return std::string(ctime(&curtime),24); } +