source4/scripting/python/modules.h


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/* 
   Unix SMB/CIFS implementation.
   Samba utility functions
   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
   
   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 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __SAMBA_PYTHON_MODULES_H__
#define __SAMBA_PYTHON_MODULES_H__

bool py_update_path(void);

#endif /* __SAMBA_PYTHON_MODULES_H__ */
/** BEGIN COPYRIGHT BLOCK
 * 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; version 2 of the License.
 * 
 * This Program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA.
 * 
 * In addition, as a special exception, Red Hat, Inc. gives You the additional
 * right to link the code of this Program with code not covered under the GNU
 * General Public License ("Non-GPL Code") and to distribute linked combinations
 * including the two, subject to the limitations in this paragraph. Non-GPL Code
 * permitted under this exception must only link to the code of this Program
 * through those well defined interfaces identified in the file named EXCEPTION
 * found in the source code files (the "Approved Interfaces"). The files of
 * Non-GPL Code may instantiate templates or use macros or inline functions from
 * the Approved Interfaces without causing the resulting work to be covered by
 * the GNU General Public License. Only Red Hat, Inc. may make changes or
 * additions to the list of Approved Interfaces. You must obey the GNU General
 * Public License in all respects for all of the Program code and other code used
 * in conjunction with the Program except the Non-GPL Code covered by this
 * exception. If you modify this file, you may extend this exception to your
 * version of the file, but you are not obligated to do so. If you do not wish to
 * provide this exception without modification, you must delete this exception
 * statement from your version and license this file solely under the GPL without
 * exception. 
 * 
 * 
 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
 * All rights reserved.
 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

/*
 * Copyright (c) 1990, 1994 Regents of the University of Michigan.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of Michigan at Ann Arbor. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 */

#include <stdio.h>
#include <sys/types.h>
#ifdef SVR4
#include <sys/stat.h>
#endif /* svr4 */
#include <fcntl.h>
#ifndef _WIN32
#include <errno.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#endif
#include <signal.h>
#ifdef LINUX
#undef CTIME
#endif
#include "slap.h"
#include "fe.h"

#if defined(USE_SYSCONF) || defined(LINUX)
#include <unistd.h>
#endif /* USE_SYSCONF */

void
detach( int slapd_exemode, int importexport_encrypt,
        int s_port, daemon_ports_t *ports_info )
{
#ifndef _WIN32
	int		i, sd;
	char *workingdir = 0;
	char *errorlog = 0;
	char *ptr = 0;
	char errorbuf[BUFSIZ];
	extern char *config_get_errorlog(void);
#endif

#ifndef _WIN32
	if ( should_detach ) {
		for ( i = 0; i < 5; i++ ) {
#if defined( sunos5 )
			switch ( fork1() ) {
#else
			switch ( fork() ) {
#endif
			case -1:
				sleep( 5 );
				continue;

			case 0:
				break;

			default:
				_exit( 0 );
			}
			break;
		}

		/* call this right after the fork, but before closing stdin */
		if (slapd_do_all_nss_ssl_init(slapd_exemode, importexport_encrypt,
									  s_port, ports_info)) {
			exit(1);
		}

		workingdir = config_get_workingdir();
		if ( NULL == workingdir ) {
			errorlog = config_get_errorlog();
			if ( NULL == errorlog ) {
				(void) chdir( "/" );
			} else {
				if ((ptr = strrchr(errorlog, '/')) ||
					(ptr = strrchr(errorlog, '\\'))) {
					*ptr = 0;
				}
				(void) chdir( errorlog );
				config_set_workingdir(CONFIG_WORKINGDIR_ATTRIBUTE, errorlog, errorbuf, 1);
				slapi_ch_free_string(&errorlog);
			}
		} else {
			/* calling config_set_workingdir to check for validity of directory, don't apply */
			if (config_set_workingdir(CONFIG_WORKINGDIR_ATTRIBUTE, workingdir, errorbuf, 0) == LDAP_OPERATIONS_ERROR) {
				exit(1);
			}
			(void) chdir( workingdir );
			slapi_ch_free_string(&workingdir);
		}

		if ( (sd = open( "/dev/null", O_RDWR )) == -1 ) {
			perror( "/dev/null" );
			exit( 1 );
		}
		(void) dup2( sd, 0 );
		(void) dup2( sd, 1 );
		(void) dup2( sd, 2 );
		close( sd );

#ifdef USE_SETSID
		setsid();
#else /* USE_SETSID */
		if ( (sd = open( "/dev/tty", O_RDWR )) != -1 ) {
			(void) ioctl( sd, TIOCNOTTY, NULL );
			(void) close( sd );
		}
#endif /* USE_SETSID */

		g_set_detached(1);
	} else { /* not detaching - call nss/ssl init */
		if (slapd_do_all_nss_ssl_init(slapd_exemode, importexport_encrypt,
									  s_port, ports_info)) {
			exit(1);
		}
	}

	(void) SIGNAL( SIGPIPE, SIG_IGN );
#endif /* _WIN32 */
}


#ifndef _WIN32
/*
 * close all open files except stdin/out/err
 */
void
close_all_files()
{
	int		i, nbits;

#ifdef USE_SYSCONF
	nbits = sysconf( _SC_OPEN_MAX );
#else /* USE_SYSCONF */
	nbits = getdtablesize();
#endif /* USE_SYSCONF */