xref: /titanic_41/usr/src/lib/libc/port/sys/sidsys.c (revision 193974072f41a843678abf5f61979c748687e66b)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * UID/SID mapping system call entries.
31  */
32 
33 #include "lint.h"
34 #include <sys/sid.h>
35 #include <sys/syscall.h>
36 
37 
38 int
39 allocids(int flag, int nuids, uid_t *suid, int ngids, gid_t *sgid)
40 {
41 	sysret_t rv;
42 	int e;
43 
44 	e = __systemcall(&rv, SYS_sidsys, SIDSYS_ALLOC_IDS, flag, nuids, ngids);
45 
46 	if (e != 0) {
47 		(void) __set_errno(e);
48 		return (-1);
49 	}
50 
51 	if (suid != NULL)
52 		*suid = (uid_t)rv.sys_rval1;
53 	if (sgid != NULL)
54 		*sgid = (gid_t)rv.sys_rval2;
55 
56 	return (0);
57 }
58 
59 int
60 idmap_reg(int fd)
61 {
62 	return (syscall(SYS_sidsys, SIDSYS_IDMAP_REG, fd));
63 }
64 
65 int
66 idmap_unreg(int fd)
67 {
68 	return (syscall(SYS_sidsys, SIDSYS_IDMAP_UNREG, fd));
69 }
70