NetBSD/sys/compat/common/kern_info_43.c

225 lines
5.5 KiB
C
Raw Normal View History

/* $NetBSD: kern_info_43.c,v 1.1 1995/06/24 20:16:13 christos Exp $ */
/*
* Copyright (c) 1982, 1986, 1991, 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.
*
* @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
#include <sys/vnode.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/fcntl.h>
#include <sys/malloc.h>
#include <sys/syslog.h>
#include <sys/unistd.h>
#include <sys/resourcevar.h>
#include <vm/vm.h>
#include <sys/sysctl.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
int
compat_43_getdtablesize(p, uap, retval)
struct proc *p;
void *uap;
register_t *retval;
{
*retval = min((int)p->p_rlimit[RLIMIT_NOFILE].rlim_cur, maxfiles);
return (0);
}
/* ARGSUSED */
int
compat_43_gethostid(p, uap, retval)
struct proc *p;
void *uap;
register_t *retval;
{
*(int32_t *)retval = hostid;
return (0);
}
/*ARGSUSED*/
int
compat_43_gethostname(p, uap, retval)
struct proc *p;
struct compat_43_gethostname_args /* {
syscallarg(char *) hostname;
syscallarg(u_int) len;
} */ *uap;
register_t *retval;
{
int name;
name = KERN_HOSTNAME;
return (kern_sysctl(&name, 1, SCARG(uap, hostname), &SCARG(uap, len),
0, 0));
}
#define KINFO_PROC (0<<8)
#define KINFO_RT (1<<8)
#define KINFO_VNODE (2<<8)
#define KINFO_FILE (3<<8)
#define KINFO_METER (4<<8)
#define KINFO_LOADAVG (5<<8)
#define KINFO_CLOCKRATE (6<<8)
int
compat_43_getkerninfo(p, uap, retval)
struct proc *p;
register struct compat_43_getkerninfo_args /* {
syscallarg(int) op;
syscallarg(char *) where;
syscallarg(int *) size;
syscallarg(int) arg;
} */ *uap;
register_t *retval;
{
int error, name[5];
size_t size;
if (SCARG(uap, size) && (error = copyin((caddr_t)SCARG(uap, size),
(caddr_t)&size, sizeof(size))))
return (error);
switch (SCARG(uap, op) & 0xff00) {
case KINFO_RT:
name[0] = PF_ROUTE;
name[1] = 0;
name[2] = (SCARG(uap, op) & 0xff0000) >> 16;
name[3] = SCARG(uap, op) & 0xff;
name[4] = SCARG(uap, arg);
error =
net_sysctl(name, 5, SCARG(uap, where), &size, NULL, 0, p);
break;
case KINFO_VNODE:
name[0] = KERN_VNODE;
error =
kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
break;
case KINFO_PROC:
name[0] = KERN_PROC;
name[1] = SCARG(uap, op) & 0xff;
name[2] = SCARG(uap, arg);
error =
kern_sysctl(name, 3, SCARG(uap, where), &size, NULL, 0, p);
break;
case KINFO_FILE:
name[0] = KERN_FILE;
error =
kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
break;
case KINFO_METER:
name[0] = VM_METER;
error =
vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
break;
case KINFO_LOADAVG:
name[0] = VM_LOADAVG;
error =
vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
break;
case KINFO_CLOCKRATE:
name[0] = KERN_CLOCKRATE;
error =
kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
break;
default:
return (EOPNOTSUPP);
}
if (error)
return (error);
*retval = size;
if (SCARG(uap, size))
error = copyout((caddr_t)&size, (caddr_t)SCARG(uap, size),
sizeof(size));
return (error);
}
/* ARGSUSED */
int
compat_43_sethostid(p, uap, retval)
struct proc *p;
struct compat_43_sethostid_args /* {
syscallarg(int32_t) hostid;
} */ *uap;
register_t *retval;
{
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
hostid = SCARG(uap, hostid);
return (0);
}
/* ARGSUSED */
int
compat_43_sethostname(p, uap, retval)
struct proc *p;
register struct compat_43_sethostname_args *uap;
register_t *retval;
{
int name;
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
name = KERN_HOSTNAME;
return (kern_sysctl(&name, 1, 0, 0, SCARG(uap, hostname),
SCARG(uap, len)));
}