X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=9f3bca72917c47447087a6109ebb7647a5624cb5;hb=664f69890abbad7962bf42c599417dd767a84297;hp=6d4bcfe3e65502336fa7d7941405696c9eb54364;hpb=76ebc88ccd6fef0bf2d97b607829fb3466e273af;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index 6d4bcfe3e..9f3bca729 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -2,106 +2,28 @@ * | 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" -#include "wildcard.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" - -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) -{ - extern InspIRCd* ServerInstance; +/* $Core */ - 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 (ServerInstance->Time() != LAST) - { - time_t local = ServerInstance->Time(); - struct tm *timeinfo = localtime(&local); - - strlcpy(TIMESTR,asctime(timeinfo),26); - TIMESTR[24] = ':'; - LAST = ServerInstance->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 "inspircd.h" +#include "xline.h" +#include "exitcodes.h" std::string InspIRCd::GetServerDescription(const char* servername) { - std::string description = ""; + std::string description; FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description)); - if (description != "") + if (!description.empty()) { return description; } @@ -112,385 +34,300 @@ std::string InspIRCd::GetServerDescription(const char* servername) } } -/* 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, ...) -{ - char textbuffer[MAXBUF]; - va_list argsPtr; - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - this->WriteOpers(std::string(textbuffer)); -} - -void InspIRCd::WriteOpers(const std::string &text) -{ - 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 InspIRCd::ServerNoticeAll(char* text, ...) +/* Find a user record by nickname and return a pointer to it */ +User* InspIRCd::FindNick(const std::string &nick) { - if (!text) - return; + if (!nick.empty() && isdigit(*nick.begin())) + return FindUUID(nick); - 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,"NOTICE $%s :%s",Config->ServerName,textbuffer); + if (iter == this->Users->clientlist->end()) + /* Couldn't find it */ + 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::FindNick(const char* nick) { - if (!text) - return; + if (isdigit(*nick)) + return FindUUID(nick); - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",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::WriteMode(const char* modes, int flags, const char* text, ...) +User* InspIRCd::FindNickOnly(const std::string &nick) { - char textbuffer[MAXBUF]; - int modelen; - va_list argsPtr; - - 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); + user_hash::iterator iter = this->Users->clientlist->find(nick); - 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; } -/* Find a user record by nickname and return a pointer to it */ - -userrec* InspIRCd::FindNick(const std::string &nick) +User* InspIRCd::FindNickOnly(const char* nick) { - user_hash::iterator iter = clientlist.find(nick); + user_hash::iterator iter = this->Users->clientlist->find(nick); - if (iter == clientlist.end()) - /* Couldn't find it */ + if (iter == this->Users->clientlist->end()) return NULL; return iter->second; } -userrec* InspIRCd::FindNick(const char* nick) +User *InspIRCd::FindUUID(const std::string &uid) { - user_hash::iterator iter; + return FindUUID(uid.c_str()); +} - if (!nick) - return NULL; +User *InspIRCd::FindUUID(const char *uid) +{ + user_hash::iterator finduuid = this->Users->uuidlist->find(uid); - iter = clientlist.find(nick); - - if (iter == clientlist.end()) + if (finduuid == this->Users->uuidlist->end()) return NULL; - return iter->second; + return finduuid->second; } /* find a channel record by channel name and return a pointer to it */ - -chanrec* InspIRCd::FindChan(const char* chan) +Channel* InspIRCd::FindChan(const char* chan) { - chan_hash::iterator iter; + chan_hash::iterator iter = chanlist->find(chan); - if (!chan) - return NULL; - - iter = chanlist.find(chan); - - if (iter == chanlist.end()) + if (iter == chanlist->end()) /* Couldn't find it */ return NULL; return iter->second; } -chanrec* InspIRCd::FindChan(const std::string &chan) +Channel* InspIRCd::FindChan(const std::string &chan) { - chan_hash::iterator iter = chanlist.find(chan); + chan_hash::iterator iter = chanlist->find(chan); - if (iter == chanlist.end()) + if (iter == chanlist->end()) /* Couldn't find it */ return NULL; return iter->second; } - -/* - * sends out an error notice to all connected clients (not to be used - * lightly!) - */ -void InspIRCd::SendError(const char *s) +/* Send an error notice to all users, registered or not */ +void InspIRCd::SendError(const std::string &s) { - for (std::vector::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++) + for (std::vector::const_iterator i = this->Users->local_users.begin(); i != this->Users->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.c_str(),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 InspIRCd::Error(int status) +/* return channel count */ +long InspIRCd::ChannelCount() { - 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); -#else - log(DEFAULT,"You do not have execinfo.h so i could not backtrace -- on FreeBSD, please install the libexecinfo port."); -#endif - 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(); + return chanlist->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() +bool InspIRCd::IsValidMask(const std::string &mask) { - int c = 0; + char* dest = (char*)mask.c_str(); + int exclamation = 0; + int atsign = 0; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) + for (char* i = dest; *i; i++) { - c += (i->second->registered == REG_ALL); + /* out of range character, bad mask */ + if (*i < 32 || *i > 126) + { + return false; + } + + switch (*i) + { + case '!': + exclamation++; + break; + case '@': + atsign++; + break; + } } - return c; + /* valid masks only have 1 ! and @ */ + if (exclamation != 1 || atsign != 1) + return false; + + return true; } -int InspIRCd::usercount_invisible() +/* true for valid channel name, false else */ +bool IsChannelHandler::Call(const char *chname, size_t max) { - int c = 0; + const char *c = chname + 1; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) + /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */ + if (!chname || *chname != '#') { - c += ((i->second->registered == REG_ALL) && (i->second->modes[UM_INVISIBLE])); + return false; } - return c; -} + while (*c) + { + switch (*c) + { + case ' ': + case ',': + case 7: + return false; + } -int InspIRCd::usercount_opers() -{ - int c = 0; + c++; + } - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) + size_t len = c - chname; + /* too long a name - note funky pointer arithmetic here. */ + if (len > max) { - if (*(i->second->oper)) - c++; + return false; } - return c; + + return true; } -int InspIRCd::usercount_unknown() +/* true for valid nickname, false else */ +bool IsNickHandler::Call(const char* n, size_t max) { - int c = 0; - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + if (!n || !*n) + return false; + + unsigned int p = 0; + for (const char* i = n; *i; i++, p++) { - userrec* t = (userrec*)(*i); - if (t->registered != REG_ALL) - c++; - } + if ((*i >= 'A') && (*i <= '}')) + { + /* "A"-"}" can occur anywhere in a nickname */ + continue; + } - return c; -} + if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n)) + { + /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */ + continue; + } -long InspIRCd::chancount() -{ - return chanlist.size(); + /* invalid character! abort */ + return false; + } + + /* too long? or not -- pointer arithmetic rocks */ + return (p < max); } -long InspIRCd::local_count() +/* return true for good ident, false else */ +bool IsIdentHandler::Call(const char* n) { - int c = 0; + if (!n || !*n) + return false; - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + for (const char* i = n; *i; i++) { - userrec* t = (userrec*)(*i); - if (t->registered == REG_ALL) - c++; + if ((*i >= 'A') && (*i <= '}')) + { + continue; + } + + if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.')) + { + continue; + } + + return false; } - return c; + return true; } -bool InspIRCd::IsChannel(const char *chname) +bool IsSIDHandler::Call(const std::string &str) { - char *c; + /* 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]))); +} - /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */ - if (!chname || *chname != '#') +/* open the proper logfile */ +bool InspIRCd::OpenLog(char**, int) +{ + /* This function only happens at startup now */ + if (Config->nofork) { - return false; + this->Logs->SetupNoFork(); } + Config->MyDir = Config->GetFullProgDir(); - c = (char *)chname + 1; - while (*c) + /* Attempt to find home directory, portable to windows */ + const char* home = getenv("HOME"); + if (!home) { - switch (*c) + /* No $HOME, log to %USERPROFILE% */ + home = getenv("USERPROFILE"); + if (!home) { - case ' ': - case ',': - case 7: - return false; + /* Nothing could be found at all, log to current dir */ + Config->logpath = "./startup.log"; } - - c++; - } - - /* too long a name - note funky pointer arithmetic here. */ - if ((c - chname) > CHANMAX) - { - return false; } - return true; -} + if (!Config->writelog) return true; // Skip opening default log if -nolog -void InspIRCd::OpenLog(char** argv, int argc) -{ if (!*this->LogFileName) { - if (Config->logpath == "") + if (Config->logpath.empty()) { - Config->logpath = ServerConfig::GetFullProgDir(argv,argc) + "/ircd.log"; + Config->logpath = "./startup.log"; } + + if (!Config->log_file) + Config->log_file = fopen(Config->logpath.c_str(),"a+"); } else { Config->log_file = fopen(this->LogFileName,"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(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); + return false; } + + FileWriter* fw = new FileWriter(this, Config->log_file); + FileLogStream *f = new FileLogStream(this, (Config->forcedebug ? DEBUG : DEFAULT), fw); + + this->Logs->AddLogType("*", f, true); + + return true; } void InspIRCd::CheckRoot() @@ -498,8 +335,8 @@ 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->Logs->Log("STARTUP",DEFAULT,"Cant start as root"); + Exit(EXIT_STATUS_ROOT); } } @@ -508,31 +345,110 @@ 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->Logs->Log("CONFIG",DEFAULT,"Died because of tag: %s",Config->DieValue); + Exit(EXIT_STATUS_DIETAG); } } -/* We must load the modules AFTER initializing the socket engine, now */ -void InspIRCd::LoadAllModules() +void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const std::string &text) +{ + std::string copy_text = text; + + 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(User* user, User* 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)); +} + +/** Refactored by Brain, Jun 2008. Much faster with some clever O(1) array + * lookups and pointer maths. + */ +long InspIRCd::Duration(const std::string &str) { - char configToken[MAXBUF]; - Config->module_names.clear(); - this->ModCount = -1; + unsigned char multiplier = 0; + long total = 0; + long times = 1; + long subtotal = 0; - for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++) + /* Iterate each item in the string, looking for number or multiplier */ + for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i) { - 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 (!this->LoadModule(configToken)) + /* Found a number, queue it onto the current number */ + if ((*i >= '0') && (*i <= '9')) + { + subtotal = subtotal + ((*i - '0') * times); + times = times * 10; + } + else { - log(DEFAULT,"Exiting due to a module loader error."); - printf("\nThere was an error loading a module: %s\n\n",this->ModuleError()); - 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; } } - printf("\nA total of \033[1;32m%d\033[0m module%s been loaded.\n", this->ModCount+1, this->ModCount+1 == 1 ? " has" : "s have"); - log(DEFAULT,"Total loaded modules: %d", this->ModCount+1); + if (multiplier) + { + total += subtotal * duration_multi[multiplier]; + subtotal = 0; + } + /* Any trailing values built up are treated as raw seconds */ + return total + subtotal; } +bool InspIRCd::ULine(const char* sserver) +{ + if (!sserver) + return false; + if (!*sserver) + return true; + + return (Config->ulines.find(sserver) != Config->ulines.end()); +} + +bool InspIRCd::SilentULine(const char* sserver) +{ + std::map::iterator n = Config->ulines.find(sserver); + if (n != Config->ulines.end()) + return n->second; + else return false; +} + +std::string InspIRCd::TimeString(time_t curtime) +{ + return std::string(ctime(&curtime),24); +} + +// You should only pass a single character to this. +void InspIRCd::AddExtBanChar(char c) +{ + std::string &tok = Config->data005; + std::string::size_type ebpos; + + if ((ebpos = tok.find(" EXTBAN=,")) == std::string::npos) + { + tok.append(" EXTBAN=,"); + tok.push_back(c); + } + else + tok.insert(ebpos + 9, 1, c); +}