xref: /illumos-gate/usr/src/lib/libc/port/sys/sidsys.c (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
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 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * UID/SID mapping system call entries.
29  */
30 
31 #include "lint.h"
32 #include <sys/sid.h>
33 #include <sys/syscall.h>
34 
35 
36 int
37 allocids(int flag, int nuids, uid_t *suid, int ngids, gid_t *sgid)
38 {
39 	sysret_t rv;
40 	int e;
41 
42 	e = __systemcall(&rv, SYS_sidsys, SIDSYS_ALLOC_IDS, flag, nuids, ngids);
43 
44 	if (e != 0) {
45 		(void) __set_errno(e);
46 		return (-1);
47 	}
48 
49 	if (suid != NULL)
50 		*suid = (uid_t)rv.sys_rval1;
51 	if (sgid != NULL)
52 		*sgid = (gid_t)rv.sys_rval2;
53 
54 	return (0);
55 }
56 
57 int
58 __idmap_reg(int fd)
59 {
60 	return (syscall(SYS_sidsys, SIDSYS_IDMAP_REG, fd));
61 }
62 
63 int
64 __idmap_unreg(int fd)
65 {
66 	return (syscall(SYS_sidsys, SIDSYS_IDMAP_UNREG, fd));
67 }
68 
69 int
70 __idmap_flush_kcache(void)
71 {
72 	return (syscall(SYS_sidsys, SIDSYS_IDMAP_FLUSH_KCACHE));
73 }
74