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freebsd/sys/i386/ibcs2/ibcs2_other.c

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/*
* Copyright (c) 1995 Steven Wallace
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without 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.
*
* $Id$
*/
/*
* IBCS2 compatibility module.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sysproto.h>
#include <sys/kernel.h>
#include <i386/ibcs2/ibcs2_types.h>
#include <i386/ibcs2/ibcs2_signal.h>
#include <i386/ibcs2/ibcs2_util.h>
#include <i386/ibcs2/ibcs2_proto.h>
#define IBCS2_SECURE_GETLUID 1
#define IBCS2_SECURE_SETLUID 2
int
ibcs2_secure(struct proc *p, struct ibcs2_secure_args *uap, int *retval)
{
switch (uap->cmd) {
case IBCS2_SECURE_GETLUID: /* get login uid */
*retval = p->p_ucred->cr_uid;
return 0;
case IBCS2_SECURE_SETLUID: /* set login uid */
return EPERM;
default:
printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
}
return EINVAL;
}
int
ibcs2_lseek(struct proc *p, register struct ibcs2_lseek_args *uap, int *retval)
{
struct lseek_args largs;
off_t lret;
int error;
largs.fd = uap->fd;
largs.offset = uap->offset;
largs.whence = uap->whence;
error = lseek(p, &largs, (int *)&lret);
*(long *)retval = lret;
return (error);
}