X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fngircd%2Flog.c;h=9c4daf557f8239bd0c6307aef02a23ad4ee0208d;hb=4e56e5341f632827af3810e26cd59ac0c15b642b;hp=d72b239b686675d5a63cf1db52cc7687320f7e71;hpb=f4ade537d550b872b7e86e6ffce940dfbad4c60c;p=ngircd-alex.git diff --git a/src/ngircd/log.c b/src/ngircd/log.c index d72b239b..9c4daf55 100644 --- a/src/ngircd/log.c +++ b/src/ngircd/log.c @@ -1,70 +1,371 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001 by Alexander Barton (alex@barton.de) + * Copyright (c)2001-2005 Alexander Barton (alex@barton.de) * - * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen - * der GNU General Public License (GPL), wie von der Free Software Foundation - * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 - * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. - * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste - * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS. - * - * $Id: log.c,v 1.1 2001/12/11 21:53:04 alex Exp $ - * - * log.c: Logging-Funktionen - * - * $Log: log.c,v $ - * Revision 1.1 2001/12/11 21:53:04 alex - * Initial revision + * 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. * + * Logging functions */ -#define MAX_LOG_MSG_LEN 256 +#include "portab.h" +static char UNUSED id[] = "$Id: log.c,v 1.62 2006/08/05 09:16:21 fw Exp $"; -#include -#include "global.h" - -#include +#include "imp.h" #include -#include +#include +#ifdef PROTOTYPES +# include +#else +# include +#endif #include +#include +#include +#include + +#ifdef SYSLOG +#include +#endif -#include +#include "ngircd.h" +#include "defines.h" +#include "conn.h" +#include "client.h" +#include "channel.h" +#include "irc-write.h" + +#include "exp.h" #include "log.h" -GLOBAL VOID Log_Init( VOID ) +static char Init_Txt[127]; +static bool Is_Daemon; + +#ifdef DEBUG +static char Error_File[FNAME_LEN]; +#endif + + +static void Wall_ServerNotice PARAMS(( char *Msg )); + + +GLOBAL void +Log_Init( bool Daemon_Mode ) { - Log( LOG_DEBUG, PACKAGE" version "VERSION" started."); + Is_Daemon = Daemon_Mode; + +#ifdef SYSLOG +#ifndef LOG_CONS /* Kludge: mips-dec-ultrix4.5 has no LOG_CONS/LOG_LOCAL5 */ +#define LOG_CONS 0 +#endif +#ifndef LOG_LOCAL5 +#define LOG_LOCAL5 0 +#endif + /* Syslog initialisieren */ + openlog( PACKAGE_NAME, LOG_CONS|LOG_PID, LOG_LOCAL5 ); +#endif + + /* Hello World! */ + Log( LOG_NOTICE, "%s started.", NGIRCd_Version ); + + /* Informationen uebern den "Operation Mode" */ + Init_Txt[0] = '\0'; +#ifdef DEBUG + if( NGIRCd_Debug ) + { + strlcpy( Init_Txt, "debug-mode", sizeof Init_Txt ); + } +#endif + if( ! Is_Daemon ) + { + if( Init_Txt[0] ) strlcat( Init_Txt, ", ", sizeof Init_Txt ); + strlcat( Init_Txt, "no-daemon-mode", sizeof Init_Txt ); + } + if( NGIRCd_Passive ) + { + if( Init_Txt[0] ) strlcat( Init_Txt, ", ", sizeof Init_Txt ); + strlcat( Init_Txt, "passive-mode", sizeof Init_Txt ); + } +#ifdef SNIFFER + if( NGIRCd_Sniffer ) + { + if( Init_Txt[0] ) strlcat( Init_Txt, ", ", sizeof Init_Txt ); + strlcat( Init_Txt, "network sniffer", sizeof Init_Txt ); + } +#endif + if( Init_Txt[0] ) Log( LOG_INFO, "Activating: %s.", Init_Txt ); + +#ifdef DEBUG + Error_File[0] = '\0'; +#endif } /* Log_Init */ -GLOBAL VOID Log_Exit( VOID ) +#ifdef DEBUG + +GLOBAL void +Log_InitErrorfile( void ) { - Log( LOG_DEBUG, PACKAGE" done."); + /* "Error-Log" initialisieren: stderr in Datei umlenken. Dort + * landen z.B. alle Ausgaben von assert()-Aufrufen. */ + + /* Dateiname zusammen bauen */ + snprintf( Error_File, sizeof Error_File, "%s/%s-%ld.err", ERROR_DIR, PACKAGE_NAME, (long)getpid( )); + + /* stderr umlenken */ + fflush( stderr ); + if( ! freopen( Error_File, "w", stderr )) + { + Log( LOG_ERR, "Can't reopen stderr (\"%s\"): %s", Error_File, strerror( errno )); + return; + } + + /* Einige Infos in das Error-File schreiben */ + fputs( ctime( &NGIRCd_Start ), stderr ); + fprintf( stderr, "%s started.\n", NGIRCd_Version ); + fprintf( stderr, "Activating: %s\n\n", Init_Txt[0] ? Init_Txt : "-" ); + fflush( stderr ); + +#ifdef DEBUG + Log( LOG_DEBUG, "Redirected stderr to \"%s\".", Error_File ); +#endif +} /* Log_InitErrfile */ + +#endif + + +GLOBAL void +Log_Exit( void ) +{ + /* Good Bye! */ + if( NGIRCd_SignalRestart ) Log( LOG_NOTICE, "%s done (restarting).", PACKAGE_NAME ); + else Log( LOG_NOTICE, "%s done.", PACKAGE_NAME ); + +#ifdef DEBUG + if( Error_File[0] ) + { + /* Error-File (stderr) loeschen */ + if( unlink( Error_File ) != 0 ) Log( LOG_ERR, "Can't delete \"%s\": %s", Error_File, strerror( errno )); + } +#endif + +#ifdef SYSLOG + /* syslog abmelden */ + closelog( ); +#endif } /* Log_Exit */ -GLOBAL VOID Log( CONST INT Level, CONST CHAR *Format, ... ) +/** + * 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 */ { - /* Eintrag in Logfile(s) schreiben */ + 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 */ + - CHAR msg[MAX_LOG_MSG_LEN]; +/** + * 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). + * 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 +{ + /* Eintrag in Logfile(s) schreiben */ + 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 + /* String mit variablen Argumenten zusammenbauen ... */ +#ifdef PROTOTYPES va_start( ap, Format ); - vsnprintf( msg, MAX_LOG_MSG_LEN - 1, Format, ap ); +#else + va_start( ap ); +#endif + vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap ); + va_end( ap ); - /* ... und ausgeben */ - printf( "%s\n", msg ); + if( ! Is_Daemon ) + { + /* auf Konsole ausgeben */ + fprintf( stdout, "[%d:%d] %s\n", (int)getpid( ), Level, msg ); + fflush( stdout ); + } +#ifdef SYSLOG + else + { + /* Syslog */ + syslog( Level, "%s", msg ); + } +#endif - va_end( ap ); + if( Level <= LOG_CRIT ) + { + /* log critical messages to stderr */ + fprintf( stderr, "%s\n", msg ); + fflush( stderr ); + } + + if( snotice ) + { + /* NOTICE an lokale User mit "s"-Mode */ + Wall_ServerNotice( msg ); + } } /* Log */ +GLOBAL void +Log_Init_Resolver( void ) +{ +#ifdef SYSLOG + openlog( PACKAGE_NAME, LOG_CONS|LOG_PID, LOG_LOCAL5 ); +#endif +#ifdef DEBUG + Log_Resolver( LOG_DEBUG, "Resolver sub-process starting, PID %d.", getpid( )); +#endif +} /* Log_Init_Resolver */ + + +GLOBAL void +Log_Exit_Resolver( void ) +{ +#ifdef DEBUG + Log_Resolver( LOG_DEBUG, "Resolver sub-process %d done.", getpid( )); +#endif +#ifdef SYSLOG + closelog( ); +#endif +} /* Log_Exit_Resolver */ + + +#ifdef PROTOTYPES +GLOBAL void +Log_Resolver( const int Level, const char *Format, ... ) +#else +GLOBAL void +Log_Resolver( Level, Format, va_alist ) +const int Level; +const char *Format; +va_dcl +#endif +{ + /* Eintrag des Resolver in Logfile(s) schreiben */ + + 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 + + /* String mit variablen Argumenten zusammenbauen ... */ +#ifdef PROTOTYPES + va_start( ap, Format ); +#else + va_start( ap ); +#endif + vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap ); + va_end( ap ); + + if( ! Is_Daemon ) + { + /* Output to console */ + fprintf( stdout, "[%d:%d] %s\n", (int)getpid( ), Level, msg ); + fflush( stdout ); + } +#ifdef SYSLOG + else syslog( Level, "%s", msg ); +#endif +} /* Log_Resolver */ + + +/** + * Send log messages to users flagged with the "s" mode. + * @param Msg The message to send. + */ +static void +Wall_ServerNotice( char *Msg ) +{ + CLIENT *c; + + assert( Msg != NULL ); + + c = Client_First( ); + while(c) { + if (Client_Conn(c) > NONE && Client_HasMode(c, 's')) + IRC_WriteStrClient(c, "NOTICE %s :%s%s", Client_ID(c), + NOTICE_TXTPREFIX, Msg); + + c = Client_Next( c ); + } +} /* Wall_ServerNotice */ + + /* -eof- */