ibcs2_other.c revision 11397 
1/*
2 * Copyright (c) 1995 Steven Wallace
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. The name of the author may not be used to endorse or promote products
11 *    derived from this software without specific prior written permission
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * $Id$
25 */
26
27/*
28 * IBCS2 compatibility module.
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/sysproto.h>
34#include <sys/kernel.h>
35
36#include <i386/ibcs2/ibcs2_types.h>
37#include <i386/ibcs2/ibcs2_signal.h>
38#include <i386/ibcs2/ibcs2_util.h>
39#include <i386/ibcs2/ibcs2_proto.h>
40
41#define IBCS2_SECURE_GETLUID 1
42#define IBCS2_SECURE_SETLUID 2
43
44int
45ibcs2_secure(struct proc *p, struct ibcs2_secure_args *uap, int *retval)
46{
47	switch (uap->cmd) {
48
49	case IBCS2_SECURE_GETLUID:		/* get login uid */
50		*retval = p->p_ucred->cr_uid;
51		return 0;
52
53	case IBCS2_SECURE_SETLUID:		/* set login uid */
54		return EPERM;
55
56	default:
57		printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
58	}
59
60	return EINVAL;
61}
62
63int
64ibcs2_lseek(struct proc *p, register struct ibcs2_lseek_args *uap, int *retval)
65{
66	struct lseek_args largs;
67	off_t lret;
68	int error;
69
70	largs.fd = uap->fd;
71	largs.offset = uap->offset;
72	largs.whence = uap->whence;
73	error = lseek(p, &largs, (int *)&lret);
74	*(long *)retval = lret;
75	return (error);
76}
77