X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Flog.c;h=5559a2c6ada62e176d1e39ac0f3fda7d6dc4cb09;hp=540ef2fa0ef31b294b31d82ee294d87973030e5b;hb=0e4e22a7a671d1e8efbc44bffd80062191f75c38;hpb=fe2bc90e45fec65ece7e31e442177284f29f6d3b diff --git a/src/ngircd/log.c b/src/ngircd/log.c index 540ef2fa..5559a2c6 100644 --- a/src/ngircd/log.c +++ b/src/ngircd/log.c @@ -1,232 +1,322 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001,2002 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 ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * 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. * - * $Id: log.c,v 1.20 2002/03/06 15:36:04 alex Exp $ - * - * log.c: Logging-Funktionen - * - * $Log: log.c,v $ - * Revision 1.20 2002/03/06 15:36:04 alex - * - stderr wird nun in eine Datei umgelenkt (ngircd.err). Wenn der Server - * nicht im Debug-Modus laeuft, so wird diese bei Programmende geloescht. - * - * Revision 1.19 2002/03/03 17:17:01 alex - * - strncpy() und vsnprintf() kopieren nun etwas "optimierter" (1 Byte weniger) :-) - * - * Revision 1.18 2002/02/19 20:07:13 alex - * - direkt nach dem Start werden die aktiven "Modes" ins Log geschrieben. - * - * Revision 1.17 2002/01/11 14:45:37 alex - * - Anpassungen an neue Kommandozeilen-Optionen "--debug" und "--nodaemon". - * - * Revision 1.16 2002/01/05 15:54:40 alex - * - syslog() etc. wurde verwendet, auch wenn USE_SYSLOG nicht definiert war. - * - * Revision 1.15 2002/01/02 02:42:58 alex - * - Copyright-Texte aktualisiert. - * - * Revision 1.14 2002/01/01 18:01:43 alex - * - Architektur und Betriebssystem in Start-Meldung aufgenommen. - * - * Revision 1.13 2001/12/31 02:18:51 alex - * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART), - * - neuen Header "defines.h" mit (fast) allen Konstanten. - * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes. - * - * Revision 1.12 2001/12/29 20:16:31 alex - * - Log-Funktionen fuer Resolver-Sub-Prozess implementiert. - * - * Revision 1.11 2001/12/29 03:08:49 alex - * - neue configure-Option "--enable-strict-rfc". - * - * Revision 1.10 2001/12/27 01:44:49 alex - * - die Verwendung von syslog kann nun abgeschaltet werden. - * - * Revision 1.9 2001/12/26 03:22:16 alex - * - string.h wird nun includiert. - * - * Revision 1.8 2001/12/25 23:13:00 alex - * - Versionsstring bei Programmstart verbessert. - * - * Revision 1.7 2001/12/25 22:04:26 alex - * - Aenderungen an den Debug- und Logging-Funktionen. - * - * Revision 1.6 2001/12/25 19:20:39 alex - * - es wird nun die Facility LOG_LOCAL5 zum Loggen verwendet. - * - * Revision 1.5 2001/12/15 00:07:56 alex - * - Log-Level der Start- und Stop-Meldungen angehoben. - * - * Revision 1.4 2001/12/13 02:04:16 alex - * - boesen "Speicherschiesser" in Log() gefixt. - * - * Revision 1.3 2001/12/12 23:31:24 alex - * - Zum Loggen wird nun auch syslog verwendet. - * - * Revision 1.2 2001/12/12 17:19:12 alex - * - in Log-Meldungen wird nun auch der Level der Meldung ausgegeben. - * - * Revision 1.1.1.1 2001/12/11 21:53:04 alex - * - Imported sources to CVS. + * Logging functions */ -#define MAX_LOG_MSG_LEN 256 - - -#include -#include "global.h" +#include "portab.h" -#include +#include "imp.h" #include #include -#include +#ifdef PROTOTYPES +# include +#else +# include +#endif #include #include #include #include -#ifdef USE_SYSLOG +#ifdef SYSLOG #include #endif -#include "global.h" #include "ngircd.h" +#include "defines.h" +#include "conn.h" +#include "client.h" +#include "channel.h" +#include "irc-write.h" -#include +#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 )); + +static void +Log_Message(int Level, const char *msg) { - CHAR txt[127]; + 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 +} + -#ifdef USE_SYSLOG +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/LOG_LOCAL5 */ +#define LOG_CONS 0 +#endif +#ifndef LOG_LOCAL5 +#define LOG_LOCAL5 0 +#endif /* Syslog initialisieren */ - openlog( PACKAGE, LOG_CONS|LOG_PID, LOG_LOCAL5 ); + openlog( PACKAGE_NAME, LOG_CONS|LOG_PID, LOG_LOCAL5 ); #endif /* Hello World! */ - Log( LOG_NOTICE, "%s started.", NGIRCd_Version( )); + Log( LOG_NOTICE, "%s started.", NGIRCd_Version ); /* Informationen uebern den "Operation Mode" */ - strcpy( txt, "" ); + Init_Txt[0] = '\0'; #ifdef DEBUG if( NGIRCd_Debug ) { - if( txt[0] ) strcat( txt, ", " ); - strcat( txt, "debug-mode" ); + strlcpy( Init_Txt, "debug-mode", sizeof Init_Txt ); } #endif - if( NGIRCd_NoDaemon ) + if( ! Is_Daemon ) { - if( txt[0] ) strcat( txt, ", " ); - strcat( txt, "no-daemon-mode" ); + if( Init_Txt[0] ) strlcat( Init_Txt, ", ", sizeof Init_Txt ); + strlcat( Init_Txt, "no-daemon-mode", sizeof Init_Txt ); } if( NGIRCd_Passive ) { - if( txt[0] ) strcat( txt, ", " ); - strcat( txt, "passive-mode" ); + if( Init_Txt[0] ) strlcat( Init_Txt, ", ", sizeof Init_Txt ); + strlcat( Init_Txt, "passive-mode", sizeof Init_Txt ); } #ifdef SNIFFER if( NGIRCd_Sniffer ) { - if( txt[0] ) strcat( txt, ", " ); - strcat( txt, "network sniffer" ); + if( Init_Txt[0] ) strlcat( Init_Txt, ", ", sizeof Init_Txt ); + strlcat( Init_Txt, "network sniffer", sizeof Init_Txt ); } #endif - if( txt[0] ) Log( LOG_INFO, "Activating: %s.", txt ); + if( Init_Txt[0] ) Log( LOG_INFO, "Activating: %s.", Init_Txt ); + +#ifdef DEBUG + Error_File[0] = '\0'; +#endif +} /* Log_Init */ + - /* stderr in Datei umlenken */ +#ifdef DEBUG + +GLOBAL void +Log_InitErrorfile( void ) +{ + /* "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, "a+", stderr )) Log( LOG_ERR, "Can't reopen stderr (\""ERROR_FILE"\"): %s", strerror( errno )); + if( ! freopen( Error_File, "w", stderr )) + { + Log( LOG_ERR, "Can't reopen stderr (\"%s\"): %s", Error_File, strerror( errno )); + return; + } - fprintf( stderr, "\n--- %s ---\n\n", NGIRCd_StartStr ); - fprintf( stderr, "%s started.\npid=%d, ppid=%d, uid=%d, gid=%d [euid=%d, egid=%d].\nActivating: %s\n\n", NGIRCd_Version( ), getpid( ), getppid( ), getuid( ), getgid( ), geteuid( ), getegid( ), txt[0] ? txt : "-" ); + /* 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 ); -} /* Log_Init */ + +#ifdef DEBUG + Log( LOG_DEBUG, "Redirected stderr to \"%s\".", Error_File ); +#endif +} /* Log_InitErrfile */ + +#endif -GLOBAL VOID Log_Exit( VOID ) +GLOBAL void +Log_Exit( void ) { /* Good Bye! */ - Log( LOG_NOTICE, PACKAGE" done."); - fprintf( stderr, PACKAGE" done (pid=%d).\n", getpid( )); - fflush( stderr ); + if( NGIRCd_SignalRestart ) Log( LOG_NOTICE, "%s done (restarting).", PACKAGE_NAME ); + else Log( LOG_NOTICE, "%s done.", PACKAGE_NAME ); -#ifdef USE_SYSLOG +#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; - CHAR msg[MAX_LOG_MSG_LEN]; + 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 - /* 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 ); - /* In Error-File schreiben */ - if( Level <= LOG_ERR ) fprintf( stderr, "[%d] %s\n", Level, msg ); + Log_Message(Level, msg); - /* ... und ausgeben */ - if( NGIRCd_NoDaemon ) printf( "[%d] %s\n", Level, msg ); + if (Level <= LOG_CRIT) { + /* log critical messages to stderr */ + fprintf(stderr, "%s\n", msg); + fflush(stderr); + } -#ifdef USE_SYSLOG - /* Syslog */ - syslog( Level, msg ); -#endif + if (snotice) { + /* Send NOTICE to all local users with mode +s and to the + * local &SERVER channel */ + Wall_ServerNotice(msg); + Channel_LogServer(msg); + } } /* Log */ -GLOBAL VOID Log_Init_Resolver( VOID ) +GLOBAL void +Log_Init_Resolver( void ) { -#ifdef USE_SYSLOG - openlog( PACKAGE, LOG_CONS|LOG_PID, LOG_LOCAL5 ); +#ifdef SYSLOG + openlog( PACKAGE_NAME, LOG_CONS|LOG_PID, LOG_LOCAL5 ); +#endif +#ifdef DEBUG + Log_Resolver(LOG_DEBUG, "Resolver sub-process starting, PID %ld.", (long)getpid()); #endif } /* Log_Init_Resolver */ -GLOBAL VOID Log_Exit_Resolver( VOID ) +GLOBAL void +Log_Exit_Resolver( void ) { -#ifdef USE_SYSLOG +#ifdef DEBUG + Log_Resolver(LOG_DEBUG, "Resolver sub-process %ld done.", (long)getpid()); +#endif +#ifdef SYSLOG closelog( ); #endif } /* Log_Exit_Resolver */ -GLOBAL VOID Log_Resolver( CONST INT Level, CONST CHAR *Format, ... ) +#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 */ -#ifndef USE_SYSLOG - return; -#else - - CHAR msg[MAX_LOG_MSG_LEN]; + char msg[MAX_LOG_MSG_LEN]; va_list ap; assert( Format != NULL ); @@ -238,15 +328,38 @@ GLOBAL VOID Log_Resolver( CONST INT Level, CONST CHAR *Format, ... ) #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 ); - /* ... und ausgeben */ - syslog( Level, msg ); - -#endif + Log_Message(Level, msg); } /* 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- */