318 lines
6.9 KiB
C
318 lines
6.9 KiB
C
/*
|
|
* 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 <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "opt_compat.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/sysproto.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/utsname.h>
|
|
|
|
|
|
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
|
|
|
|
#ifndef _SYS_SYSPROTO_H_
|
|
struct gethostname_args {
|
|
char *hostname;
|
|
u_int len;
|
|
};
|
|
#endif
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
/* ARGSUSED */
|
|
int
|
|
ogethostname(td, uap)
|
|
struct thread *td;
|
|
struct gethostname_args *uap;
|
|
{
|
|
int name[2];
|
|
int error;
|
|
size_t len = uap->len;
|
|
|
|
name[0] = CTL_KERN;
|
|
name[1] = KERN_HOSTNAME;
|
|
mtx_lock(&Giant);
|
|
error = userland_sysctl(td, name, 2, uap->hostname, &len, 1, 0, 0, 0);
|
|
mtx_unlock(&Giant);
|
|
return(error);
|
|
}
|
|
|
|
#ifndef _SYS_SYSPROTO_H_
|
|
struct sethostname_args {
|
|
char *hostname;
|
|
u_int len;
|
|
};
|
|
#endif
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
/* ARGSUSED */
|
|
int
|
|
osethostname(td, uap)
|
|
struct thread *td;
|
|
register struct sethostname_args *uap;
|
|
{
|
|
int name[2];
|
|
int error;
|
|
|
|
name[0] = CTL_KERN;
|
|
name[1] = KERN_HOSTNAME;
|
|
mtx_lock(&Giant);
|
|
if ((error = suser_cred(td->td_ucred, PRISON_ROOT)) == 0) {
|
|
error = userland_sysctl(td, name, 2, 0, 0, 0,
|
|
uap->hostname, uap->len, 0);
|
|
}
|
|
mtx_unlock(&Giant);
|
|
return (error);
|
|
}
|
|
|
|
#ifndef _SYS_SYSPROTO_H_
|
|
struct ogethostid_args {
|
|
int dummy;
|
|
};
|
|
#endif
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
/* ARGSUSED */
|
|
int
|
|
ogethostid(td, uap)
|
|
struct thread *td;
|
|
struct ogethostid_args *uap;
|
|
{
|
|
|
|
*(long *)(td->td_retval) = hostid;
|
|
return (0);
|
|
}
|
|
#endif /* COMPAT_43 || COMPAT_SUNOS */
|
|
|
|
#ifdef COMPAT_43
|
|
#ifndef _SYS_SYSPROTO_H_
|
|
struct osethostid_args {
|
|
long hostid;
|
|
};
|
|
#endif
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
/* ARGSUSED */
|
|
int
|
|
osethostid(td, uap)
|
|
struct thread *td;
|
|
struct osethostid_args *uap;
|
|
{
|
|
int error;
|
|
|
|
if ((error = suser(td)))
|
|
return (error);
|
|
mtx_lock(&Giant);
|
|
hostid = uap->hostid;
|
|
mtx_unlock(&Giant);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
int
|
|
oquota(td, uap)
|
|
struct thread *td;
|
|
struct oquota_args *uap;
|
|
{
|
|
return (ENOSYS);
|
|
}
|
|
#endif /* COMPAT_43 */
|
|
|
|
/*
|
|
* This is the FreeBSD-1.1 compatable uname(2) interface. These
|
|
* days it is done in libc as a wrapper around a bunch of sysctl's.
|
|
* This must maintain the old 1.1 binary ABI.
|
|
*/
|
|
#if SYS_NMLN != 32
|
|
#error "FreeBSD-1.1 uname syscall has been broken"
|
|
#endif
|
|
#ifndef _SYS_SYSPROTO_H_
|
|
struct uname_args {
|
|
struct utsname *name;
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
/* ARGSUSED */
|
|
int
|
|
uname(td, uap)
|
|
struct thread *td;
|
|
struct uname_args *uap;
|
|
{
|
|
int name[2], error;
|
|
size_t len;
|
|
char *s, *us;
|
|
|
|
name[0] = CTL_KERN;
|
|
name[1] = KERN_OSTYPE;
|
|
len = sizeof (uap->name->sysname);
|
|
mtx_lock(&Giant);
|
|
error = userland_sysctl(td, name, 2, uap->name->sysname, &len,
|
|
1, 0, 0, 0);
|
|
if (error)
|
|
goto done2;
|
|
subyte( uap->name->sysname + sizeof(uap->name->sysname) - 1, 0);
|
|
|
|
name[1] = KERN_HOSTNAME;
|
|
len = sizeof uap->name->nodename;
|
|
error = userland_sysctl(td, name, 2, uap->name->nodename, &len,
|
|
1, 0, 0, 0);
|
|
if (error)
|
|
goto done2;
|
|
subyte( uap->name->nodename + sizeof(uap->name->nodename) - 1, 0);
|
|
|
|
name[1] = KERN_OSRELEASE;
|
|
len = sizeof uap->name->release;
|
|
error = userland_sysctl(td, name, 2, uap->name->release, &len,
|
|
1, 0, 0, 0);
|
|
if (error)
|
|
goto done2;
|
|
subyte( uap->name->release + sizeof(uap->name->release) - 1, 0);
|
|
|
|
/*
|
|
name = KERN_VERSION;
|
|
len = sizeof uap->name->version;
|
|
error = userland_sysctl(td, name, 2, uap->name->version, &len,
|
|
1, 0, 0, 0);
|
|
if (error)
|
|
goto done2;
|
|
subyte( uap->name->version + sizeof(uap->name->version) - 1, 0);
|
|
*/
|
|
|
|
/*
|
|
* this stupid hackery to make the version field look like FreeBSD 1.1
|
|
*/
|
|
for(s = version; *s && *s != '#'; s++);
|
|
|
|
for(us = uap->name->version; *s && *s != ':'; s++) {
|
|
error = subyte( us++, *s);
|
|
if (error)
|
|
goto done2;
|
|
}
|
|
error = subyte( us++, 0);
|
|
if (error)
|
|
goto done2;
|
|
|
|
name[0] = CTL_HW;
|
|
name[1] = HW_MACHINE;
|
|
len = sizeof uap->name->machine;
|
|
error = userland_sysctl(td, name, 2, uap->name->machine, &len,
|
|
1, 0, 0, 0);
|
|
if (error)
|
|
goto done2;
|
|
subyte( uap->name->machine + sizeof(uap->name->machine) - 1, 0);
|
|
done2:
|
|
mtx_unlock(&Giant);
|
|
return (error);
|
|
}
|
|
|
|
#ifndef _SYS_SYSPROTO_H_
|
|
struct getdomainname_args {
|
|
char *domainname;
|
|
int len;
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
/* ARGSUSED */
|
|
int
|
|
getdomainname(td, uap)
|
|
struct thread *td;
|
|
struct getdomainname_args *uap;
|
|
{
|
|
int domainnamelen;
|
|
int error;
|
|
|
|
mtx_lock(&Giant);
|
|
domainnamelen = strlen(domainname) + 1;
|
|
if ((u_int)uap->len > domainnamelen)
|
|
uap->len = domainnamelen;
|
|
error = copyout(domainname, uap->domainname, uap->len);
|
|
mtx_unlock(&Giant);
|
|
return (error);
|
|
}
|
|
|
|
#ifndef _SYS_SYSPROTO_H_
|
|
struct setdomainname_args {
|
|
char *domainname;
|
|
int len;
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
/* ARGSUSED */
|
|
int
|
|
setdomainname(td, uap)
|
|
struct thread *td;
|
|
struct setdomainname_args *uap;
|
|
{
|
|
int error, domainnamelen;
|
|
|
|
mtx_lock(&Giant);
|
|
if ((error = suser(td)))
|
|
goto done2;
|
|
if ((u_int)uap->len > sizeof (domainname) - 1) {
|
|
error = EINVAL;
|
|
goto done2;
|
|
}
|
|
domainnamelen = uap->len;
|
|
error = copyin(uap->domainname, domainname, uap->len);
|
|
domainname[domainnamelen] = 0;
|
|
done2:
|
|
mtx_unlock(&Giant);
|
|
return (error);
|
|
}
|
|
|