ngircd-tor/src/ngircd/log.c

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/*
* ngIRCd -- The Next Generation IRC Daemon
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* Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
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*
* 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.
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*
* Logging functions
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*/
#include "portab.h"
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static char UNUSED id[] = "$Id: log.c,v 1.49 2005/01/20 00:12:23 alex Exp $";
#include "imp.h"
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#include <assert.h>
#include <errno.h>
#ifdef PROTOTYPES
# include <stdarg.h>
#else
# include <varargs.h>
#endif
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#include <stdio.h>
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#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#ifdef SYSLOG
#include <syslog.h>
#endif
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#include "ngircd.h"
#include "defines.h"
#include "conn.h"
#include "client.h"
#include "channel.h"
#include "irc-write.h"
#include "exp.h"
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#include "log.h"
LOCAL CHAR Error_File[FNAME_LEN];
LOCAL CHAR Init_Txt[127];
LOCAL VOID Wall_ServerNotice PARAMS(( CHAR *Msg ));
GLOBAL VOID
Log_Init( VOID )
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{
#ifdef SYSLOG
/* 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 )
{
strcpy( Init_Txt, "debug-mode" );
}
#endif
if( NGIRCd_NoDaemon )
{
if( Init_Txt[0] ) strcat( Init_Txt, ", " );
strcat( Init_Txt, "no-daemon-mode" );
}
if( NGIRCd_Passive )
{
if( Init_Txt[0] ) strcat( Init_Txt, ", " );
strcat( Init_Txt, "passive-mode" );
}
#ifdef SNIFFER
if( NGIRCd_Sniffer )
{
if( Init_Txt[0] ) strcat( Init_Txt, ", " );
strcat( Init_Txt, "network sniffer" );
}
#endif
if( Init_Txt[0] ) Log( LOG_INFO, "Activating: %s.", Init_Txt );
Error_File[0] = '\0';
} /* Log_Init */
GLOBAL VOID
Log_InitErrorfile( VOID )
{
/* "Error-Log" initialisieren: stderr in Datei umlenken. Dort
* landen z.B. alle Ausgaben von assert()-Aufrufen. */
/* Dateiname zusammen bauen */
sprintf( 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 );
Log( LOG_DEBUG, "Redirected stderr to \"%s\".", Error_File );
} /* Log_InitErrfile */
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GLOBAL VOID
Log_Exit( VOID )
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{
/* Good Bye! */
if( NGIRCd_SignalRestart ) Log( LOG_NOTICE, "%s done (restarting).", PACKAGE_NAME );
else Log( LOG_NOTICE, "%s done.", PACKAGE_NAME );
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 ));
}
#ifdef SYSLOG
/* syslog abmelden */
closelog( );
#endif
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} /* Log_Exit */
#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
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{
/* Eintrag in Logfile(s) schreiben */
CHAR msg[MAX_LOG_MSG_LEN];
BOOLEAN snotice;
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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
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/* String mit variablen Argumenten zusammenbauen ... */
#ifdef PROTOTYPES
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va_start( ap, Format );
#else
va_start( ap );
#endif
vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
va_end( ap );
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if( NGIRCd_NoDaemon )
{
/* auf Konsole ausgeben */
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fprintf( stdout, "[%d:%d] %s\n", (INT)getpid( ), Level, msg );
fflush( stdout );
}
#ifdef SYSLOG
else
{
/* Syslog */
syslog( Level, "%s", msg );
}
#endif
if( Level <= LOG_CRIT )
{
/* Kritische Meldungen in Error-File (stderr) */
fprintf( stderr, "%s\n", msg );
fflush( stderr );
}
if( snotice )
{
/* NOTICE an lokale User mit "s"-Mode */
Wall_ServerNotice( msg );
}
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} /* Log */
GLOBAL VOID
Log_Init_Resolver( VOID )
{
#ifdef SYSLOG
openlog( PACKAGE_NAME, LOG_CONS|LOG_PID, LOG_LOCAL5 );
#endif
Log_Resolver( LOG_DEBUG, "Resolver sub-process starting, PID %d.", getpid( ));
} /* Log_Init_Resolver */
GLOBAL VOID
Log_Exit_Resolver( VOID )
{
Log_Resolver( LOG_DEBUG, "Resolver sub-process %d done.", getpid( ));
#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 );
/* Output */
if( NGIRCd_NoDaemon )
{
/* Output to console */
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fprintf( stdout, "[%d:%d] %s\n", (INT)getpid( ), Level, msg );
fflush( stdout );
}
#ifdef SYSLOG
else syslog( Level, msg );
#endif
} /* Log_Resolver */
LOCAL VOID
Wall_ServerNotice( CHAR *Msg )
{
/* Server-Notice an entsprechende User verschicken */
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_ThisServer( ), NOTICE_TXTPREFIX, Msg );
c = Client_Next( c );
}
} /* Wall_ServerNotice */
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/* -eof- */