xnu-792.25.20.tar.gz

[apple/xnu.git] / bsd / kern / kern_xxx.c

/*
 * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
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 * The contents of this file constitute Original Code as defined in and
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 * http://www.apple.com/publicsource and read it before using this file.
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/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1982, 1986, 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)kern_xxx.c	8.2 (Berkeley) 11/14/93
 */

#include <cputypes.h> 

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc_internal.h>
#include <sys/kauth.h>
#include <sys/reboot.h>
#include <sys/vm.h>
#include <sys/sysctl.h>
#include <sys/buf.h>

#include <bsm/audit_kernel.h>

#include <sys/mount_internal.h>
#include <sys/sysproto.h>

int
reboot(struct proc *p, register struct reboot_args *uap, __unused register_t *retval)
{
	char command[64];
	int error;
	int dummy=0;

	AUDIT_ARG(cmd, uap->opt);

	command[0] = '\0';

	if ((error = suser(kauth_cred_get(), &p->p_acflag)))
		return(error);	
	
	if (uap->opt & RB_COMMAND)
		error = copyinstr(uap->command,
					(void *)command, sizeof(command), (size_t *)&dummy);
	if (!error) {
		SET(p->p_flag, P_REBOOT);	/* No more signals for this proc */
		boot(RB_BOOT, uap->opt, command);
	}
	return(error);
}