mirror of
				https://github.com/osmarks/ngircd.git
				synced 2025-11-03 23:43:00 +00:00 
			
		
		
		
	Write "error file" (/tmp/ngircd-XXX.err) only if compiled with debug
code ("--enable-debug") and running as daemon process.
			
			
This commit is contained in:
		@@ -12,6 +12,8 @@
 | 
			
		||||
 | 
			
		||||
ngIRCd CVSHEAD
 | 
			
		||||
 | 
			
		||||
  - Write "error file" (/tmp/ngircd-XXX.err) only if compiled with debug
 | 
			
		||||
    code ("--enable-debug") and running as daemon process.
 | 
			
		||||
  - Don't create version information string each time a client connects
 | 
			
		||||
    but insetead on server startup. By Florian Westphal.
 | 
			
		||||
  - New configuration variable "PidFile", section "[Global]": if defined,
 | 
			
		||||
@@ -584,4 +586,4 @@ ngIRCd 0.0.1, 31.12.2001
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
-- 
 | 
			
		||||
$Id: ChangeLog,v 1.260 2005/02/09 09:52:58 alex Exp $
 | 
			
		||||
$Id: ChangeLog,v 1.261 2005/02/10 12:49:04 alex Exp $
 | 
			
		||||
 
 | 
			
		||||
@@ -14,7 +14,7 @@
 | 
			
		||||
 | 
			
		||||
#include "portab.h"
 | 
			
		||||
 | 
			
		||||
static char UNUSED id[] = "$Id: log.c,v 1.51 2005/02/09 09:52:58 alex Exp $";
 | 
			
		||||
static char UNUSED id[] = "$Id: log.c,v 1.52 2005/02/10 12:49:04 alex Exp $";
 | 
			
		||||
 | 
			
		||||
#include "imp.h"
 | 
			
		||||
#include <assert.h>
 | 
			
		||||
@@ -44,9 +44,12 @@ static char UNUSED id[] = "$Id: log.c,v 1.51 2005/02/09 09:52:58 alex Exp $";
 | 
			
		||||
#include "log.h"
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
LOCAL CHAR Error_File[FNAME_LEN];
 | 
			
		||||
LOCAL CHAR Init_Txt[127];
 | 
			
		||||
 | 
			
		||||
#ifdef DEBUG
 | 
			
		||||
LOCAL CHAR Error_File[FNAME_LEN];
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
LOCAL VOID Wall_ServerNotice PARAMS(( CHAR *Msg ));
 | 
			
		||||
 | 
			
		||||
@@ -89,10 +92,14 @@ Log_Init( VOID )
 | 
			
		||||
#endif
 | 
			
		||||
	if( Init_Txt[0] ) Log( LOG_INFO, "Activating: %s.", Init_Txt );
 | 
			
		||||
 | 
			
		||||
#ifdef DEBUG
 | 
			
		||||
	Error_File[0] = '\0';
 | 
			
		||||
#endif
 | 
			
		||||
} /* Log_Init */
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
#ifdef DEBUG
 | 
			
		||||
 | 
			
		||||
GLOBAL VOID
 | 
			
		||||
Log_InitErrorfile( VOID )
 | 
			
		||||
{
 | 
			
		||||
@@ -119,6 +126,8 @@ Log_InitErrorfile( VOID )
 | 
			
		||||
	Log( LOG_DEBUG, "Redirected stderr to \"%s\".", Error_File );
 | 
			
		||||
} /* Log_InitErrfile */
 | 
			
		||||
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
GLOBAL VOID
 | 
			
		||||
Log_Exit( VOID )
 | 
			
		||||
@@ -127,11 +136,13 @@ Log_Exit( VOID )
 | 
			
		||||
	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 */
 | 
			
		||||
@@ -198,7 +209,7 @@ va_dcl
 | 
			
		||||
 | 
			
		||||
	if( Level <= LOG_CRIT )
 | 
			
		||||
	{
 | 
			
		||||
		/* Kritische Meldungen in Error-File (stderr) */
 | 
			
		||||
		/* log critical messages to stderr */
 | 
			
		||||
		fprintf( stderr, "%s\n", msg );
 | 
			
		||||
		fflush( stderr );
 | 
			
		||||
	}
 | 
			
		||||
 
 | 
			
		||||
@@ -8,7 +8,7 @@
 | 
			
		||||
 * (at your option) any later version.
 | 
			
		||||
 * Please read the file COPYING, README and AUTHORS for more information.
 | 
			
		||||
 *
 | 
			
		||||
 * $Id: log.h,v 1.14 2003/12/26 15:55:07 alex Exp $
 | 
			
		||||
 * $Id: log.h,v 1.15 2005/02/10 12:49:04 alex Exp $
 | 
			
		||||
 *
 | 
			
		||||
 * Logging functions (header)
 | 
			
		||||
 */
 | 
			
		||||
@@ -38,7 +38,6 @@
 | 
			
		||||
GLOBAL VOID Log_Init PARAMS((VOID ));
 | 
			
		||||
GLOBAL VOID Log_Exit PARAMS((VOID ));
 | 
			
		||||
 | 
			
		||||
GLOBAL VOID Log_InitErrorfile PARAMS((VOID ));
 | 
			
		||||
GLOBAL VOID Log PARAMS((INT Level, CONST CHAR *Format, ... ));
 | 
			
		||||
 | 
			
		||||
GLOBAL VOID Log_Init_Resolver PARAMS((VOID ));
 | 
			
		||||
@@ -46,6 +45,10 @@ GLOBAL VOID Log_Exit_Resolver PARAMS((VOID ));
 | 
			
		||||
 | 
			
		||||
GLOBAL VOID Log_Resolver PARAMS((CONST INT Level, CONST CHAR *Format, ... ));
 | 
			
		||||
 | 
			
		||||
#ifdef DEBUG
 | 
			
		||||
GLOBAL VOID Log_InitErrorfile PARAMS((VOID ));
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -14,7 +14,7 @@
 | 
			
		||||
 | 
			
		||||
#include "portab.h"
 | 
			
		||||
 | 
			
		||||
static char UNUSED id[] = "$Id: ngircd.c,v 1.90 2005/02/09 09:52:58 alex Exp $";
 | 
			
		||||
static char UNUSED id[] = "$Id: ngircd.c,v 1.91 2005/02/10 12:49:04 alex Exp $";
 | 
			
		||||
 | 
			
		||||
#include "imp.h"
 | 
			
		||||
#include <assert.h>
 | 
			
		||||
@@ -28,6 +28,7 @@ static char UNUSED id[] = "$Id: ngircd.c,v 1.90 2005/02/09 09:52:58 alex Exp $";
 | 
			
		||||
#include <sys/types.h>
 | 
			
		||||
#include <sys/stat.h>
 | 
			
		||||
#include <sys/wait.h>
 | 
			
		||||
#include <fcntl.h>
 | 
			
		||||
#include <pwd.h>
 | 
			
		||||
#include <grp.h>
 | 
			
		||||
 | 
			
		||||
@@ -62,6 +63,8 @@ LOCAL VOID Pidfile_Delete PARAMS(( VOID ));
 | 
			
		||||
 | 
			
		||||
LOCAL VOID NGIRCd_FillVersion PARAMS(( VOID ));
 | 
			
		||||
 | 
			
		||||
LOCAL VOID Setup_FDStreams PARAMS(( VOID ));
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
GLOBAL int
 | 
			
		||||
main( int argc, const char *argv[] )
 | 
			
		||||
@@ -267,29 +270,31 @@ main( int argc, const char *argv[] )
 | 
			
		||||
			if( setuid( Conf_UID ) != 0 ) Log( LOG_ERR, "Can't change user ID to %u: %s", Conf_UID, strerror( errno ));
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		/* In der Regel wird ein Sub-Prozess ge-fork()'t, der
 | 
			
		||||
		 * nicht mehr mit dem Terminal verbunden ist. Mit der
 | 
			
		||||
		 * Option "--nodaemon" kann dies (z.B. zum Debuggen)
 | 
			
		||||
		 * verhindert werden. */
 | 
			
		||||
		/* Normally a child process is forked which isn't any longer
 | 
			
		||||
		 * connected to ther controlling terminal. Use "--nodaemon"
 | 
			
		||||
		 * to disable this "daemon mode" (useful for debugging). */
 | 
			
		||||
		if( ! NGIRCd_NoDaemon )
 | 
			
		||||
		{
 | 
			
		||||
			/* Daemon im Hintergrund erzeugen */
 | 
			
		||||
			/* fork child process */
 | 
			
		||||
			pid = (LONG)fork( );
 | 
			
		||||
			if( pid > 0 )
 | 
			
		||||
			{
 | 
			
		||||
				/* "alter" Prozess */
 | 
			
		||||
				/* "Old" process: exit. */
 | 
			
		||||
				exit( 0 );
 | 
			
		||||
			}
 | 
			
		||||
			if( pid < 0 )
 | 
			
		||||
			{
 | 
			
		||||
				/* Fehler */
 | 
			
		||||
				printf( "%s: Can't fork: %s!\nFatal error, exiting now ...\n", PACKAGE_NAME, strerror( errno ));
 | 
			
		||||
				/* Error!? */
 | 
			
		||||
				fprintf( stderr, "%s: Can't fork: %s!\nFatal error, exiting now ...\n", PACKAGE_NAME, strerror( errno ));
 | 
			
		||||
				exit( 1 );
 | 
			
		||||
			}
 | 
			
		||||
 | 
			
		||||
			/* Child-Prozess initialisieren */
 | 
			
		||||
			/* New child process */
 | 
			
		||||
			(VOID)setsid( );
 | 
			
		||||
			chdir( "/" );
 | 
			
		||||
 | 
			
		||||
			/* Detach stdin, stdout and stderr */
 | 
			
		||||
			(VOID)Setup_FDStreams( );
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		/* Create PID file */
 | 
			
		||||
@@ -326,11 +331,11 @@ main( int argc, const char *argv[] )
 | 
			
		||||
#endif
 | 
			
		||||
		Conn_Init( );
 | 
			
		||||
 | 
			
		||||
		/* Redirect stderr handle to "error file" for debugging.
 | 
			
		||||
		 * But don't try to write in the chroot jail, since it's more 
 | 
			
		||||
		 * secure to have a chroot dir not writable by the daemon.
 | 
			
		||||
		 */
 | 
			
		||||
		if( ! Conf_Chroot[0] ) Log_InitErrorfile( );
 | 
			
		||||
#ifdef DEBUG
 | 
			
		||||
		/* Redirect stderr handle to "error file" for debugging
 | 
			
		||||
		 * when not running in "no daemon" mode: */
 | 
			
		||||
		if( ! NGIRCd_NoDaemon ) Log_InitErrorfile( );
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
		/* Signal-Handler initialisieren */
 | 
			
		||||
		Initialize_Signal_Handler( );
 | 
			
		||||
@@ -629,4 +634,31 @@ Pidfile_Create( LONG pid )
 | 
			
		||||
} /* Pidfile_Create */
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
LOCAL VOID
 | 
			
		||||
Setup_FDStreams( VOID )
 | 
			
		||||
{
 | 
			
		||||
	int fd;
 | 
			
		||||
 | 
			
		||||
	/* Test if we can open /dev/null for reading and writing. If not
 | 
			
		||||
	 * we are most probably chrooted already and the server has been
 | 
			
		||||
	 * restarted. So we simply don't try to redirect stdXXX ... */
 | 
			
		||||
	fd = open( "/dev/null", O_RDWR );
 | 
			
		||||
	if ( fd < 0 ) return;
 | 
			
		||||
 | 
			
		||||
	/* Close "old" stdin/out/err descriptors */
 | 
			
		||||
	fclose( stdin ); fclose( stdout ); fclose( stderr );
 | 
			
		||||
 | 
			
		||||
	/* Create new stdin(0), stdout(1) and stderr(2) descriptors */
 | 
			
		||||
	dup2( fd, 0 ); dup2( fd, 1 ); dup2( fd, 2 );
 | 
			
		||||
 | 
			
		||||
	/* Close newly opened file descriptor if not stdin/out/err */
 | 
			
		||||
	if( fd > 2 ) close( fd );
 | 
			
		||||
 | 
			
		||||
	/* Assign FILE handles for stdin/out/err */
 | 
			
		||||
	stdin = fdopen( 0, "r" );
 | 
			
		||||
	stdout = fdopen( 1, "w" );
 | 
			
		||||
	stderr = fdopen( 2, "w" );
 | 
			
		||||
} /* Setup_FDStreams */
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/* -eof- */
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user