NetBSD/sys/kern/kern_xxx.c

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1993-03-21 12:45:37 +03:00
/*
* Copyright (c) 1982, 1986, 1989 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.
*
* from: @(#)kern_xxx.c 7.17 (Berkeley) 4/20/91
* $Id: kern_xxx.c,v 1.4 1993/05/20 02:54:46 cgd Exp $
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*/
#include "param.h"
#include "systm.h"
#include "kernel.h"
#include "proc.h"
#include "reboot.h"
#include "utsname.h"
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/* ARGSUSED */
gethostid(p, uap, retval)
struct proc *p;
void *uap;
long *retval;
{
*retval = hostid;
return (0);
}
/* ARGSUSED */
sethostid(p, uap, retval)
struct proc *p;
struct args {
long hostid;
} *uap;
int *retval;
{
int error;
if (error = suser(p->p_ucred, &p->p_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(p->p_ucred, &p->p_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 */
getdomainname(p, uap, retval)
struct proc *p;
struct args {
char *domainname;
u_int len;
} *uap;
int *retval;
{
if (uap->len > domainnamelen + 1)
uap->len = domainnamelen + 1;
return (copyout((caddr_t)domainname, (caddr_t)uap->domainname, uap->len));
}
/* ARGSUSED */
setdomainname(p, uap, retval)
struct proc *p;
struct args {
char *domainname;
u_int len;
} *uap;
int *retval;
{
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
if (uap->len > sizeof (domainname) - 1)
return EINVAL;
domainnamelen = uap->len;
error = copyin((caddr_t)uap->domainname, domainname, uap->len);
domainname[domainnamelen] = 0;
return (error);
}
/* ARGSUSED */
uname(p, uap, retval)
struct proc *p;
struct args {
struct utsname *name;
} *uap;
int *retval;
{
bcopy(hostname, utsname.nodename, sizeof(utsname.nodename));
utsname.nodename[sizeof(utsname.nodename)-1] = '\0';
return (copyout((caddr_t)&utsname, (caddr_t)uap->name, sizeof(struct utsname)));
}
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/* ARGSUSED */
reboot(p, uap, retval)
struct proc *p;
struct args {
int opt;
} *uap;
int *retval;
{
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
boot(uap->opt);
return (0);
}
#ifdef COMPAT_43
oquota()
{
return (ENOSYS);
}
#endif