X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Flog.c;h=3710142d81e4d0a57f2a50bf84760ddc3efcd955;hp=94686c673326de06421cb23b41587a7b703414fe;hb=5e82a91d1337b78510bc62fe3c7e43f9c0b7d3d1;hpb=50352dc93b2f450581422738ffc36a1e7528df84 diff --git a/src/ngircd/log.c b/src/ngircd/log.c index 94686c67..3710142d 100644 --- a/src/ngircd/log.c +++ b/src/ngircd/log.c @@ -1,135 +1,364 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001 by Alexander Barton (alex@barton.de) + * Copyright (c)2001-2010 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. + * 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 1.10 2001/12/27 01:44:49 alex Exp $ - * - * log.c: Logging-Funktionen - * - * $Log: log.c,v $ - * 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 "portab.h" -#include -#include "global.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 +#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" -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 +Log_Message(int Level, const char *msg) { - CHAR txt[64]; + 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 +} - strcpy( txt, "" ); -#ifdef USE_SYSLOG - if( txt[0] ) strcat( txt, "+" ); - else strcat( txt, "-" ); - strcat( txt, "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 */ +#define LOG_CONS 0 +#endif + openlog(PACKAGE_NAME, LOG_CONS|LOG_PID, Conf_SyslogFacility); #endif + + Log( LOG_NOTICE, "%s started.", NGIRCd_Version ); + + /* Information about "Operation Mode" */ + Init_Txt[0] = '\0'; #ifdef DEBUG - if( txt[0] ) strcat( txt, "+" ); - else strcat( txt, "-" ); - strcat( txt, "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( txt[0] ) strcat( txt, "+" ); - else strcat( txt, "-" ); - strcat( txt, "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 USE_SYSLOG - openlog( PACKAGE, LOG_CONS|LOG_PID, LOG_LOCAL5 ); +#ifdef DEBUG + Error_File[0] = '\0'; #endif - Log( LOG_NOTICE, PACKAGE" version "VERSION"%s started.", txt ); } /* Log_Init */ -GLOBAL VOID Log_Exit( VOID ) +#ifdef DEBUG +GLOBAL void +Log_InitErrorfile( void ) { - Log( LOG_NOTICE, PACKAGE" done."); -#ifdef USE_SYSLOG - closelog( ); + snprintf( Error_File, sizeof Error_File, "%s/%s-%ld.err", ERROR_DIR, PACKAGE_NAME, (long)getpid( )); + + fflush( stderr ); + if( ! freopen( Error_File, "w", stderr )) + { + Log( LOG_ERR, "Can't reopen stderr (\"%s\"): %s", Error_File, strerror( errno )); + return; + } + + 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(LOG_DEBUG, "Redirected stderr to \"%s\".", Error_File); +} /* Log_InitErrfile */ #endif -} /* Log_Exit */ -GLOBAL VOID Log( CONST INT Level, CONST CHAR *Format, ... ) +GLOBAL void +Log_Exit( void ) { - /* Eintrag in Logfile(s) schreiben */ + /* Good Bye! */ + Log(LOG_NOTICE, "%s done%s, served %lu connections.", PACKAGE_NAME, + NGIRCd_SignalRestart ? " (restarting)" : "", Conn_CountAccepted()); + +#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 - CHAR msg[MAX_LOG_MSG_LEN]; +#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; -#ifndef DEBUG - if( Level == LOG_DEBUG ) return; + 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 ); - /* String mit variablen Argumenten zusammenbauen ... */ - va_start( ap, Format ); - vsnprintf( msg, MAX_LOG_MSG_LEN - 1, Format, ap ); - msg[MAX_LOG_MSG_LEN - 1] = '\0'; + if( Level & LOG_snotice ) + { + /* Notice an User mit "s" Mode */ + snotice = true; + Level &= ~LOG_snotice; + } + else snotice = false; - /* ... und ausgeben */ - printf( "[%d] %s\n", Level, msg ); -#ifdef USE_SYSLOG - syslog( Level, msg ); +#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 (Level <= LOG_CRIT) { + /* log critical messages to stderr */ + fprintf(stderr, "%s\n", msg); + fflush(stderr); + } + + 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- */