/* * ngIRCd -- The Next Generation IRC Daemon * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * Please read the file COPYING, README and AUTHORS for more information. */ #include "portab.h" /** * @file * Logging functions */ #include "imp.h" #include #include #ifdef PROTOTYPES # include #else # include #endif #include #include #include #include #ifdef SYSLOG #include #endif #include "ngircd.h" #include "defines.h" #include "conn.h" #include "channel.h" #include "irc-write.h" #include "conf.h" #include "exp.h" #include "log.h" static bool Is_Daemon; static void Log_Message(int Level, const char *msg) { if (!Is_Daemon) { /* log to console */ fprintf(stdout, "[%ld:%d %4ld] %s\n", (long)getpid(), Level, (long)time(NULL) - NGIRCd_Start, msg); fflush(stdout); } #ifdef SYSLOG else { syslog(Level, "%s", msg); } #endif } /** * Initialitze logging. * This function is called before the configuration file is read in. * * @param Daemon_Mode Set to true if ngIRCd is running as daemon. */ GLOBAL void Log_Init(bool Daemon_Mode) { Is_Daemon = Daemon_Mode; #ifdef SYSLOG #ifndef LOG_CONS /* Kludge: mips-dec-ultrix4.5 has no LOG_CONS */ #define LOG_CONS 0 #endif #ifdef LOG_DAEMON openlog(PACKAGE_NAME, LOG_CONS|LOG_PID, LOG_DAEMON); #else openlog(PACKAGE_NAME, LOG_CONS|LOG_PID, 0); #endif #endif } /* Log_Init */ /** * Re-init logging after reading the configuration file. */ GLOBAL void Log_ReInit(void) { #ifdef SYSLOG #ifndef LOG_CONS /* Kludge: mips-dec-ultrix4.5 has no LOG_CONS */ #define LOG_CONS 0 #endif closelog(); openlog(PACKAGE_NAME, LOG_CONS|LOG_PID, Conf_SyslogFacility); #endif Log(LOG_NOTICE, "%s started.", NGIRCd_Version); Log(LOG_INFO, "Using configuration file \"%s\" ...", NGIRCd_ConfFile); } GLOBAL void Log_Exit( void ) { Log(LOG_NOTICE, "%s done%s, served %lu connections.", PACKAGE_NAME, NGIRCd_SignalRestart ? " (restarting)" : "", Conn_CountAccepted()); #ifdef SYSLOG closelog(); #endif } /* Log_Exit */ /** * Log function for debug messages. * This function is only functional when the program is compiled with debug * code enabled; otherwise it is an empty function which the compiler will * hopefully mangle down to "nothing" (see log.h). Therefore you should use * LogDebug(...) in favor to Log(LOG_DEBUG, ...). * @param Format Format string like printf(). * @param ... Further arguments. */ #ifdef DEBUG # ifdef PROTOTYPES GLOBAL void LogDebug( const char *Format, ... ) # else GLOBAL void LogDebug( Format, va_alist ) const char *Format; va_dcl # endif /* PROTOTYPES */ { char msg[MAX_LOG_MSG_LEN]; va_list ap; if (!NGIRCd_Debug) return; #ifdef PROTOTYPES va_start( ap, Format ); #else va_start( ap ); #endif vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap ); va_end( ap ); Log(LOG_DEBUG, "%s", msg); } #endif /* DEBUG */ /** * Logging function of ngIRCd. * This function logs messages to the console and/or syslog, whichever is * suitable for the mode ngIRCd is running in (daemon vs. non-daemon). * If LOG_snotice is set, the log messages goes to all user with the mode +s * set and the local &SERVER channel, too. * Please note: you sould use LogDebug(...) for debug messages! * @param Level syslog level (LOG_xxx) * @param Format Format string like printf(). * @param ... Further arguments. */ #ifdef PROTOTYPES GLOBAL void Log( int Level, const char *Format, ... ) #else GLOBAL void Log( Level, Format, va_alist ) int Level; const char *Format; va_dcl #endif { char msg[MAX_LOG_MSG_LEN]; bool snotice; va_list ap; assert( Format != NULL ); if( Level & LOG_snotice ) { /* Notice an User mit "s" Mode */ snotice = true; Level &= ~LOG_snotice; } else snotice = false; #ifdef DEBUG if(( Level == LOG_DEBUG ) && ( ! NGIRCd_Debug )) return; #else if( Level == LOG_DEBUG ) return; #endif #ifdef PROTOTYPES va_start( ap, Format ); #else va_start( ap ); #endif vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap ); va_end( ap ); Log_Message(Level, msg); if (snotice) { /* Send NOTICE to all local users with mode +s and to the * local &SERVER channel */ Log_ServerNotice('s', "%s", msg); Channel_LogServer(msg); } } /* Log */ GLOBAL void Log_Init_Subprocess(char UNUSED *Name) { #ifdef SYSLOG openlog(PACKAGE_NAME, LOG_CONS|LOG_PID, Conf_SyslogFacility); #endif #ifdef DEBUG Log_Subprocess(LOG_DEBUG, "%s sub-process starting, PID %ld.", Name, (long)getpid()); #endif } GLOBAL void Log_Exit_Subprocess(char UNUSED *Name) { #ifdef DEBUG Log_Subprocess(LOG_DEBUG, "%s sub-process %ld done.", Name, (long)getpid()); #endif #ifdef SYSLOG closelog( ); #endif } #ifdef PROTOTYPES GLOBAL void Log_Subprocess(const int Level, const char *Format, ...) #else GLOBAL void Log_Subprocess(Level, Format, va_alist) const int Level; const char *Format; va_dcl #endif { char msg[MAX_LOG_MSG_LEN]; va_list ap; assert(Format != NULL); #ifdef DEBUG if ((Level == LOG_DEBUG) && (!NGIRCd_Debug)) return; #else if (Level == LOG_DEBUG) return; #endif #ifdef PROTOTYPES va_start(ap, Format); #else va_start(ap); #endif vsnprintf(msg, MAX_LOG_MSG_LEN, Format, ap); va_end(ap); Log_Message(Level, msg); } /** * Send a log message to all local users flagged with the given user mode. * @param UserMode User mode which the target user must have set, * @param Format The format string. */ #ifdef PROTOTYPES GLOBAL void Log_ServerNotice(const char UserMode, const char *Format, ... ) #else GLOBAL void Log_ServerNotice(UserMode, Format, va_alist) const char UserMode; const char *Format; va_dcl #endif { CLIENT *c; char msg[MAX_LOG_MSG_LEN]; va_list ap; assert(Format != NULL); #ifdef PROTOTYPES va_start(ap, Format); #else va_start(ap); #endif vsnprintf(msg, MAX_LOG_MSG_LEN, Format, ap); va_end(ap); for(c=Client_First(); c != NULL; c=Client_Next(c)) { if (Client_Conn(c) > NONE && Client_HasMode(c, UserMode)) IRC_WriteStrClient(c, "NOTICE %s :%s%s", Client_ID(c), NOTICE_TXTPREFIX, msg); } } /* Log_ServerNotice */ /* -eof- */