X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=608ed2f1bf953186ac20fa0b1ff8a250adeff138;hb=19157777c5f977fddbcfdc8cdad78e12bf0d6bbb;hp=6d4bcfe3e65502336fa7d7941405696c9eb54364;hpb=76ebc88ccd6fef0bf2d97b607829fb3466e273af;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index 6d4bcfe3e..608ed2f1b 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -2,46 +2,20 @@ * | 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 "inspircd.h" #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" +#include "exitcodes.h" static char TIMESTR[26]; static time_t LAST = 0; @@ -52,44 +26,51 @@ static time_t LAST = 0; */ void InspIRCd::Log(int level, const char* text, ...) { + /* sanity check, just in case */ + if (!this->Config || !this->Logger) + return; + + /* Do this check again here so that we save pointless vsnprintf calls */ + if ((level < Config->LogLevel) && !Config->forcedebug) + return; + va_list argsPtr; - char textbuffer[MAXBUF]; + char textbuffer[65536]; va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); + vsnprintf(textbuffer, 65536, text, argsPtr); va_end(argsPtr); - InspIRCd::Log(level, std::string(textbuffer)); + this->Log(level, std::string(textbuffer)); } void InspIRCd::Log(int level, const std::string &text) { - extern InspIRCd* ServerInstance; - - if (!ServerInstance || !ServerInstance->Config) + /* sanity check, just in case */ + if (!this->Config || !this->Logger) return; /* If we were given -debug we output all messages, regardless of configured loglevel */ - if ((level < ServerInstance->Config->LogLevel) && !ServerInstance->Config->forcedebug) + if ((level < Config->LogLevel) && !Config->forcedebug) return; - if (ServerInstance->Time() != LAST) + if (Time() != LAST) { - time_t local = ServerInstance->Time(); + time_t local = Time(); struct tm *timeinfo = localtime(&local); strlcpy(TIMESTR,asctime(timeinfo),26); TIMESTR[24] = ':'; - LAST = ServerInstance->Time(); + LAST = Time(); } - if (ServerInstance->Config->log_file && ServerInstance->Config->writelog) + if (Config->log_file && Config->writelog) { - fprintf(ServerInstance->Config->log_file,"%s %s\n",TIMESTR,text.c_str()); - fflush(ServerInstance->Config->log_file); + std::string out = std::string(TIMESTR) + " " + text.c_str() + "\n"; + this->Logger->WriteLogLine(out); } - if (ServerInstance->Config->nofork) + if (Config->nofork) { printf("%s %s\n", TIMESTR, text.c_str()); } @@ -97,11 +78,11 @@ void InspIRCd::Log(int level, const std::string &text) 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; } @@ -136,7 +117,7 @@ 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]) + if (IS_LOCAL(a) && a->IsModeSet('s')) { // send server notices to all with +s a->WriteServ("NOTICE %s :%s",a->nick,text.c_str()); @@ -192,9 +173,9 @@ void InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...) 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; } @@ -203,52 +184,60 @@ void InspIRCd::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); + if (send_to_user) + { + t->WriteServ("NOTICE %s :%s", t->nick, textbuffer); + } } } } /* Find a user record by nickname and return a pointer to it */ - 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; @@ -257,31 +246,58 @@ userrec* InspIRCd::FindNick(const std::string &nick) userrec* InspIRCd::FindNick(const char* nick) { - user_hash::iterator iter; + if (isdigit(*nick)) + return FindUUID(nick); - if (!nick) + user_hash::iterator iter = clientlist->find(nick); + + if (iter == clientlist->end()) return NULL; - iter = clientlist.find(nick); - - if (iter == clientlist.end()) + return iter->second; +} + +userrec* InspIRCd::FindNickOnly(const std::string &nick) +{ + 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 */ +userrec* InspIRCd::FindNickOnly(const char* nick) +{ + user_hash::iterator iter = clientlist->find(nick); -chanrec* InspIRCd::FindChan(const char* chan) + if (iter == clientlist->end()) + return NULL; + + return iter->second; +} + +userrec *InspIRCd::FindUUID(const std::string &uid) +{ + return FindUUID(uid.c_str()); +} + +userrec *InspIRCd::FindUUID(const char *uid) { - chan_hash::iterator iter; + user_hash::iterator finduuid = uuidlist->find(uid); - if (!chan) + if (finduuid == uuidlist->end()) return NULL; - iter = chanlist.find(chan); + return finduuid->second; +} - if (iter == chanlist.end()) +/* find a channel record by channel name and return a pointer to it */ +chanrec* InspIRCd::FindChan(const char* chan) +{ + chan_hash::iterator iter = chanlist->find(chan); + + if (iter == chanlist->end()) /* Couldn't find it */ return NULL; @@ -290,146 +306,92 @@ chanrec* InspIRCd::FindChan(const char* chan) chanrec* 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++) { - 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 InspIRCd::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); -#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::UserCount() +{ + return clientlist->size(); } -// this function counts all users connected, wether they are registered or NOT. -int InspIRCd::usercnt() +/* 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() { - return clientlist.size(); + return clientlist->size() - this->UnregisteredUserCount(); } -// 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() +/* return how many users have a given mode e.g. 'a' */ +int InspIRCd::ModeCount(const char mode) { - int c = 0; + ModeHandler* mh = this->Modes->FindMode(mode, MODETYPE_USER); - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - c += (i->second->registered == REG_ALL); - } - - return c; + if (mh) + return mh->GetCount(); + else + return 0; } -int InspIRCd::usercount_invisible() +/* wrapper for readability */ +int InspIRCd::InvisibleUserCount() { - 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; + return ModeCount('i'); } -int InspIRCd::usercount_opers() +/* return how many users are opered */ +int InspIRCd::OperCount() { - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if (*(i->second->oper)) - c++; - } - return c; + return this->all_opers.size(); } -int InspIRCd::usercount_unknown() +/* return how many users are unregistered */ +int InspIRCd::UnregisteredUserCount() { - 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; + return this->unregistered_count; } -long InspIRCd::chancount() +/* return channel count */ +long InspIRCd::ChannelCount() { - return chanlist.size(); + return chanlist->size(); } -long InspIRCd::local_count() +/* return how many local registered users there are */ +long InspIRCd::LocalUserCount() { - 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; + /* Doesnt count unregistered clients */ + return (local_users.size() - this->UnregisteredUserCount()); } +/* true for valid channel name, false else */ bool InspIRCd::IsChannel(const char *chname) { char *c; @@ -463,34 +425,86 @@ bool InspIRCd::IsChannel(const char *chname) return true; } -void InspIRCd::OpenLog(char** argv, int argc) +/* true for valid nickname, false else */ +bool IsNickHandler::Call(const char* n) { - if (!*this->LogFileName) + if (!n || !*n) + return false; + + int p = 0; + for (char* i = (char*)n; *i; i++, p++) { - if (Config->logpath == "") + if ((*i >= 'A') && (*i <= '}')) + { + /* "A"-"}" can occur anywhere in a nickname */ + continue; + } + + if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n)) { - Config->logpath = ServerConfig::GetFullProgDir(argv,argc) + "/ircd.log"; + /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */ + continue; } + + /* invalid character! abort */ + return false; } - else + + /* too long? or not -- pointer arithmetic rocks */ + return (p < NICKMAX - 1); +} + +/* return true for good ident, false else */ +bool IsIdentHandler::Call(const char* n) +{ + if (!n || !*n) + return false; + + for (char* i = (char*)n; *i; i++) { - Config->log_file = fopen(this->LogFileName,"a+"); + if ((*i >= 'A') && (*i <= '}')) + { + continue; + } - if (!Config->log_file) + if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.')) { - printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str()); - Exit(ERROR); + continue; } - return; + + return false; } - Config->log_file = fopen(Config->logpath.c_str(),"a+"); + return true; +} + +/* open the proper logfile */ +bool InspIRCd::OpenLog(char** argv, int argc) +{ + Config->MyDir = Config->GetFullProgDir(); + + if (!*this->LogFileName) + { + if (Config->logpath.empty()) + { + Config->logpath = Config->MyDir + "/ircd.log"; + } + + 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); + this->Logger = NULL; + return false; } + + this->Logger = new FileLogger(this, Config->log_file); + return true; } void InspIRCd::CheckRoot() @@ -498,8 +512,8 @@ 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->Log(DEFAULT,"Cant start as root"); + Exit(EXIT_STATUS_ROOT); } } @@ -508,8 +522,8 @@ 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); } } @@ -522,17 +536,39 @@ void InspIRCd::LoadAllModules() 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); + 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)) { - log(DEFAULT,"Exiting due to a module loader error."); - printf("\nThere was an error loading a module: %s\n\n",this->ModuleError()); - Exit(ERROR); + 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("\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); + 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 InspIRCd::SendWhoisLine(userrec* user, userrec* 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(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)); }