4.3BSD-Reno/src/sys/kern/kern_xxx.c

/*
 * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  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 AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)kern_xxx.c	7.14 (Berkeley) 6/28/90
 */

#include "param.h"
#include "systm.h"
#include "user.h"
#include "kernel.h"
#include "proc.h"
#include "reboot.h"

/* ARGSUSED */
gethostid(p, uap, retval)
	struct proc *p;
	void *uap;
	long *retval;
{

	*retval = hostid;
	return (0);
}

sethostid(p, uap, retval)
	struct proc *p;
	struct args {
		long	hostid;
	} *uap;
	int *retval;
{
	int error;

	if (error = suser(u.u_cred, &u.u_acflag))
		return (error);
	hostid = uap->hostid;
	return (0);
}

/* ARGSUSED */
gethostname(p, uap, retval)
	struct proc *p;
	struct args {
		char	*hostname;
		u_int	len;
	} *uap;
	int *retval;
{

	if (uap->len > hostnamelen + 1)
		uap->len = hostnamelen + 1;
	return (copyout((caddr_t)hostname, (caddr_t)uap->hostname, uap->len));
}

/* ARGSUSED */
sethostname(p, uap, retval)
	struct proc *p;
	register struct args {
		char	*hostname;
		u_int	len;
	} *uap;
	int *retval;
{
	int error;

	if (error = suser(u.u_cred, &u.u_acflag))
		return (error);
	if (uap->len > sizeof (hostname) - 1)
		return (EINVAL);
	hostnamelen = uap->len;
	error = copyin((caddr_t)uap->hostname, hostname, uap->len);
	hostname[hostnamelen] = 0;
	return (error);
}

/* ARGSUSED */
reboot(p, uap, retval)
	struct proc *p;
	struct args {
		int	opt;
	} *uap;
	int *retval;
{
	int error;

	if (error = suser(u.u_cred, &u.u_acflag))
		return (error);
	boot(uap->opt);
	return (0);
}

ovhangup()
{

	return (EINVAL);
}

oldquota()
{

	return (EINVAL);
}