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/*-
* Copyright (c) 1999 Marcel Moolenaar
* 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
* in this position and unchanged.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <sys/jail.h>
#include <i386/linux/linux.h>
#include <i386/linux/linux_mib.h>
struct linux_prison {
char pr_osname[LINUX_MAX_UTSNAME];
char pr_osrelease[LINUX_MAX_UTSNAME];
int pr_oss_version;
};
SYSCTL_NODE(_compat, OID_AUTO, linux, CTLFLAG_RW, 0,
"Linux mode");
static char linux_osname[LINUX_MAX_UTSNAME] = "Linux";
static int
linux_sysctl_osname SYSCTL_HANDLER_ARGS
{
char osname[LINUX_MAX_UTSNAME];
int error;
strcpy(osname, linux_get_osname(req->p));
error = sysctl_handle_string(oidp, osname, LINUX_MAX_UTSNAME, req);
if (error || req->newptr == NULL)
return (error);
error = linux_set_osname(req->p, osname);
return (error);
}
SYSCTL_PROC(_compat_linux, OID_AUTO, osname,
CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_PRISON,
0, 0, linux_sysctl_osname, "A",
"Linux kernel OS name");
static char linux_osrelease[LINUX_MAX_UTSNAME] = "2.2.5";
static int
linux_sysctl_osrelease SYSCTL_HANDLER_ARGS
{
char osrelease[LINUX_MAX_UTSNAME];
int error;
strcpy(osrelease, linux_get_osrelease(req->p));
error = sysctl_handle_string(oidp, osrelease, LINUX_MAX_UTSNAME, req);
if (error || req->newptr == NULL)
return (error);
error = linux_set_osrelease(req->p, osrelease);
return (error);
}
SYSCTL_PROC(_compat_linux, OID_AUTO, osrelease,
CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_PRISON,
0, 0, linux_sysctl_osrelease, "A",
"Linux kernel OS release");
static int linux_oss_version = 0x030600;
static int
linux_sysctl_oss_version SYSCTL_HANDLER_ARGS
{
int oss_version;
int error;
oss_version = linux_get_oss_version(req->p);
error = sysctl_handle_int(oidp, &oss_version, 0, req);
if (error || req->newptr == NULL)
return (error);
error = linux_set_oss_version(req->p, oss_version);
return (error);
}
SYSCTL_PROC(_compat_linux, OID_AUTO, oss_version,
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_PRISON,
0, 0, linux_sysctl_oss_version, "I",
"Linux OSS version");
static struct linux_prison *
get_prison(struct proc *p)
{
register struct prison *pr;
register struct linux_prison *lpr;
pr = p->p_prison;
if (pr == NULL)
return (NULL);
if (pr->pr_linux == NULL) {
MALLOC(lpr, struct linux_prison *, sizeof *lpr,
M_PRISON, M_WAITOK);
bzero((caddr_t)lpr, sizeof *lpr);
pr->pr_linux = lpr;
}
return (pr->pr_linux);
}
char *
linux_get_osname(p)
struct proc *p;
{
register struct prison *pr;
register struct linux_prison *lpr;
pr = p->p_prison;
if (pr != NULL && pr->pr_linux != NULL) {
lpr = pr->pr_linux;
if (lpr->pr_osname[0])
return (lpr->pr_osname);
}
return (linux_osname);
}
int
linux_set_osname(p, osname)
struct proc *p;
char *osname;
{
register struct linux_prison *lpr;
lpr = get_prison(p);
if (lpr != NULL)
strcpy(lpr->pr_osname, osname);
else
strcpy(linux_osname, osname);
return (0);
}
char *
linux_get_osrelease(p)
struct proc *p;
{
register struct prison *pr;
register struct linux_prison *lpr;
pr = p->p_prison;
if (pr != NULL && pr->pr_linux != NULL) {
lpr = pr->pr_linux;
if (lpr->pr_osrelease[0])
return (lpr->pr_osrelease);
}
return (linux_osrelease);
}
int
linux_set_osrelease(p, osrelease)
struct proc *p;
char *osrelease;
{
register struct linux_prison *lpr;
lpr = get_prison(p);
if (lpr != NULL)
strcpy(lpr->pr_osrelease, osrelease);
else
strcpy(linux_osrelease, osrelease);
return (0);
}
int
linux_get_oss_version(p)
struct proc *p;
{
register struct prison *pr;
register struct linux_prison *lpr;
pr = p->p_prison;
if (pr != NULL && pr->pr_linux != NULL) {
lpr = pr->pr_linux;
if (lpr->pr_oss_version)
return (lpr->pr_oss_version);
}
return (linux_oss_version);
}
int
linux_set_oss_version(p, oss_version)
struct proc *p;
int oss_version;
{
register struct linux_prison *lpr;
lpr = get_prison(p);
if (lpr != NULL)
lpr->pr_oss_version = oss_version;
else
linux_oss_version = oss_version;
return (0);
}
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