1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1993-1997 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /* LINTLIBRARY */
28*7c478bd9Sstevel@tonic-gate
29*7c478bd9Sstevel@tonic-gate /*
30*7c478bd9Sstevel@tonic-gate * Convert ACL to/from permission bits
31*7c478bd9Sstevel@tonic-gate */
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate #include <errno.h>
34*7c478bd9Sstevel@tonic-gate #include <sys/acl.h>
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate int
acltomode(aclent_t * aclbufp,int nentries,mode_t * modep)37*7c478bd9Sstevel@tonic-gate acltomode(aclent_t *aclbufp, int nentries, mode_t *modep)
38*7c478bd9Sstevel@tonic-gate {
39*7c478bd9Sstevel@tonic-gate aclent_t *tp;
40*7c478bd9Sstevel@tonic-gate unsigned long mode;
41*7c478bd9Sstevel@tonic-gate unsigned long grpmode;
42*7c478bd9Sstevel@tonic-gate unsigned long mask;
43*7c478bd9Sstevel@tonic-gate int which;
44*7c478bd9Sstevel@tonic-gate int got_mask = 0;
45*7c478bd9Sstevel@tonic-gate
46*7c478bd9Sstevel@tonic-gate *modep = 0;
47*7c478bd9Sstevel@tonic-gate if (aclcheck(aclbufp, nentries, &which) != 0) {
48*7c478bd9Sstevel@tonic-gate errno = EINVAL;
49*7c478bd9Sstevel@tonic-gate return (-1); /* errno is set in aclcheck() */
50*7c478bd9Sstevel@tonic-gate }
51*7c478bd9Sstevel@tonic-gate for (tp = aclbufp; nentries--; tp++) {
52*7c478bd9Sstevel@tonic-gate if (tp->a_type == USER_OBJ) {
53*7c478bd9Sstevel@tonic-gate mode = tp->a_perm;
54*7c478bd9Sstevel@tonic-gate if (mode > 07)
55*7c478bd9Sstevel@tonic-gate return (-1);
56*7c478bd9Sstevel@tonic-gate *modep |= (mode << 6);
57*7c478bd9Sstevel@tonic-gate continue;
58*7c478bd9Sstevel@tonic-gate }
59*7c478bd9Sstevel@tonic-gate if (tp->a_type == GROUP_OBJ) {
60*7c478bd9Sstevel@tonic-gate grpmode = tp->a_perm;
61*7c478bd9Sstevel@tonic-gate if (grpmode > 07)
62*7c478bd9Sstevel@tonic-gate return (-1);
63*7c478bd9Sstevel@tonic-gate continue;
64*7c478bd9Sstevel@tonic-gate }
65*7c478bd9Sstevel@tonic-gate if (tp->a_type == CLASS_OBJ) {
66*7c478bd9Sstevel@tonic-gate got_mask = 1;
67*7c478bd9Sstevel@tonic-gate mask = tp->a_perm;
68*7c478bd9Sstevel@tonic-gate if (mask > 07)
69*7c478bd9Sstevel@tonic-gate return (-1);
70*7c478bd9Sstevel@tonic-gate *modep |= (mask << 3);
71*7c478bd9Sstevel@tonic-gate continue;
72*7c478bd9Sstevel@tonic-gate }
73*7c478bd9Sstevel@tonic-gate if (tp->a_type == OTHER_OBJ) {
74*7c478bd9Sstevel@tonic-gate mode = tp->a_perm;
75*7c478bd9Sstevel@tonic-gate if (mode > 07)
76*7c478bd9Sstevel@tonic-gate return (-1);
77*7c478bd9Sstevel@tonic-gate *modep |= mode;
78*7c478bd9Sstevel@tonic-gate continue; /* we may break here if it is sorted */
79*7c478bd9Sstevel@tonic-gate }
80*7c478bd9Sstevel@tonic-gate }
81*7c478bd9Sstevel@tonic-gate if (!got_mask)
82*7c478bd9Sstevel@tonic-gate *modep |= (grpmode << 3);
83*7c478bd9Sstevel@tonic-gate return (0);
84*7c478bd9Sstevel@tonic-gate }
85*7c478bd9Sstevel@tonic-gate
86*7c478bd9Sstevel@tonic-gate
87*7c478bd9Sstevel@tonic-gate int
aclfrommode(aclent_t * aclbufp,int nentries,mode_t * modep)88*7c478bd9Sstevel@tonic-gate aclfrommode(aclent_t *aclbufp, int nentries, mode_t *modep)
89*7c478bd9Sstevel@tonic-gate {
90*7c478bd9Sstevel@tonic-gate aclent_t *tp;
91*7c478bd9Sstevel@tonic-gate aclent_t *savp;
92*7c478bd9Sstevel@tonic-gate mode_t mode;
93*7c478bd9Sstevel@tonic-gate mode_t grpmode;
94*7c478bd9Sstevel@tonic-gate int which;
95*7c478bd9Sstevel@tonic-gate int got_mask = 0;
96*7c478bd9Sstevel@tonic-gate
97*7c478bd9Sstevel@tonic-gate if (aclcheck(aclbufp, nentries, &which) != 0) {
98*7c478bd9Sstevel@tonic-gate errno = EINVAL;
99*7c478bd9Sstevel@tonic-gate return (-1); /* errno is set in aclcheck() */
100*7c478bd9Sstevel@tonic-gate }
101*7c478bd9Sstevel@tonic-gate for (tp = aclbufp; nentries--; tp++) {
102*7c478bd9Sstevel@tonic-gate if (tp->a_type == USER_OBJ) {
103*7c478bd9Sstevel@tonic-gate mode = (*modep & 0700);
104*7c478bd9Sstevel@tonic-gate tp->a_perm = (mode >> 6);
105*7c478bd9Sstevel@tonic-gate continue;
106*7c478bd9Sstevel@tonic-gate }
107*7c478bd9Sstevel@tonic-gate if (tp->a_type == GROUP_OBJ) {
108*7c478bd9Sstevel@tonic-gate grpmode = (*modep & 070);
109*7c478bd9Sstevel@tonic-gate savp = tp;
110*7c478bd9Sstevel@tonic-gate continue;
111*7c478bd9Sstevel@tonic-gate }
112*7c478bd9Sstevel@tonic-gate if (tp->a_type == CLASS_OBJ) {
113*7c478bd9Sstevel@tonic-gate got_mask = 1;
114*7c478bd9Sstevel@tonic-gate mode = (*modep & 070);
115*7c478bd9Sstevel@tonic-gate tp->a_perm = (mode >> 3);
116*7c478bd9Sstevel@tonic-gate continue;
117*7c478bd9Sstevel@tonic-gate }
118*7c478bd9Sstevel@tonic-gate if (tp->a_type == OTHER_OBJ) {
119*7c478bd9Sstevel@tonic-gate mode = (*modep & 07);
120*7c478bd9Sstevel@tonic-gate tp->a_perm = (o_mode_t)mode;
121*7c478bd9Sstevel@tonic-gate continue; /* we may break here if it is sorted */
122*7c478bd9Sstevel@tonic-gate }
123*7c478bd9Sstevel@tonic-gate }
124*7c478bd9Sstevel@tonic-gate if (!got_mask)
125*7c478bd9Sstevel@tonic-gate savp->a_perm = (grpmode >> 3);
126*7c478bd9Sstevel@tonic-gate return (0);
127*7c478bd9Sstevel@tonic-gate }
128