1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright (c) 1993-1997 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate * All rights reserved
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate /* LINTLIBRARY */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * Convert ACL to/from permission bits
32*0Sstevel@tonic-gate */
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gate #include <errno.h>
35*0Sstevel@tonic-gate #include <sys/acl.h>
36*0Sstevel@tonic-gate
37*0Sstevel@tonic-gate int
acltomode(aclent_t * aclbufp,int nentries,mode_t * modep)38*0Sstevel@tonic-gate acltomode(aclent_t *aclbufp, int nentries, mode_t *modep)
39*0Sstevel@tonic-gate {
40*0Sstevel@tonic-gate aclent_t *tp;
41*0Sstevel@tonic-gate unsigned long mode;
42*0Sstevel@tonic-gate unsigned long grpmode;
43*0Sstevel@tonic-gate unsigned long mask;
44*0Sstevel@tonic-gate int which;
45*0Sstevel@tonic-gate int got_mask = 0;
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate *modep = 0;
48*0Sstevel@tonic-gate if (aclcheck(aclbufp, nentries, &which) != 0) {
49*0Sstevel@tonic-gate errno = EINVAL;
50*0Sstevel@tonic-gate return (-1); /* errno is set in aclcheck() */
51*0Sstevel@tonic-gate }
52*0Sstevel@tonic-gate for (tp = aclbufp; nentries--; tp++) {
53*0Sstevel@tonic-gate if (tp->a_type == USER_OBJ) {
54*0Sstevel@tonic-gate mode = tp->a_perm;
55*0Sstevel@tonic-gate if (mode > 07)
56*0Sstevel@tonic-gate return (-1);
57*0Sstevel@tonic-gate *modep |= (mode << 6);
58*0Sstevel@tonic-gate continue;
59*0Sstevel@tonic-gate }
60*0Sstevel@tonic-gate if (tp->a_type == GROUP_OBJ) {
61*0Sstevel@tonic-gate grpmode = tp->a_perm;
62*0Sstevel@tonic-gate if (grpmode > 07)
63*0Sstevel@tonic-gate return (-1);
64*0Sstevel@tonic-gate continue;
65*0Sstevel@tonic-gate }
66*0Sstevel@tonic-gate if (tp->a_type == CLASS_OBJ) {
67*0Sstevel@tonic-gate got_mask = 1;
68*0Sstevel@tonic-gate mask = tp->a_perm;
69*0Sstevel@tonic-gate if (mask > 07)
70*0Sstevel@tonic-gate return (-1);
71*0Sstevel@tonic-gate *modep |= (mask << 3);
72*0Sstevel@tonic-gate continue;
73*0Sstevel@tonic-gate }
74*0Sstevel@tonic-gate if (tp->a_type == OTHER_OBJ) {
75*0Sstevel@tonic-gate mode = tp->a_perm;
76*0Sstevel@tonic-gate if (mode > 07)
77*0Sstevel@tonic-gate return (-1);
78*0Sstevel@tonic-gate *modep |= mode;
79*0Sstevel@tonic-gate continue; /* we may break here if it is sorted */
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate }
82*0Sstevel@tonic-gate if (!got_mask)
83*0Sstevel@tonic-gate *modep |= (grpmode << 3);
84*0Sstevel@tonic-gate return (0);
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate
87*0Sstevel@tonic-gate
88*0Sstevel@tonic-gate int
aclfrommode(aclent_t * aclbufp,int nentries,mode_t * modep)89*0Sstevel@tonic-gate aclfrommode(aclent_t *aclbufp, int nentries, mode_t *modep)
90*0Sstevel@tonic-gate {
91*0Sstevel@tonic-gate aclent_t *tp;
92*0Sstevel@tonic-gate aclent_t *savp;
93*0Sstevel@tonic-gate mode_t mode;
94*0Sstevel@tonic-gate mode_t grpmode;
95*0Sstevel@tonic-gate int which;
96*0Sstevel@tonic-gate int got_mask = 0;
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate if (aclcheck(aclbufp, nentries, &which) != 0) {
99*0Sstevel@tonic-gate errno = EINVAL;
100*0Sstevel@tonic-gate return (-1); /* errno is set in aclcheck() */
101*0Sstevel@tonic-gate }
102*0Sstevel@tonic-gate for (tp = aclbufp; nentries--; tp++) {
103*0Sstevel@tonic-gate if (tp->a_type == USER_OBJ) {
104*0Sstevel@tonic-gate mode = (*modep & 0700);
105*0Sstevel@tonic-gate tp->a_perm = (mode >> 6);
106*0Sstevel@tonic-gate continue;
107*0Sstevel@tonic-gate }
108*0Sstevel@tonic-gate if (tp->a_type == GROUP_OBJ) {
109*0Sstevel@tonic-gate grpmode = (*modep & 070);
110*0Sstevel@tonic-gate savp = tp;
111*0Sstevel@tonic-gate continue;
112*0Sstevel@tonic-gate }
113*0Sstevel@tonic-gate if (tp->a_type == CLASS_OBJ) {
114*0Sstevel@tonic-gate got_mask = 1;
115*0Sstevel@tonic-gate mode = (*modep & 070);
116*0Sstevel@tonic-gate tp->a_perm = (mode >> 3);
117*0Sstevel@tonic-gate continue;
118*0Sstevel@tonic-gate }
119*0Sstevel@tonic-gate if (tp->a_type == OTHER_OBJ) {
120*0Sstevel@tonic-gate mode = (*modep & 07);
121*0Sstevel@tonic-gate tp->a_perm = (o_mode_t)mode;
122*0Sstevel@tonic-gate continue; /* we may break here if it is sorted */
123*0Sstevel@tonic-gate }
124*0Sstevel@tonic-gate }
125*0Sstevel@tonic-gate if (!got_mask)
126*0Sstevel@tonic-gate savp->a_perm = (grpmode >> 3);
127*0Sstevel@tonic-gate return (0);
128*0Sstevel@tonic-gate }
129