2 * Copyright (c) 1999-2002 Robert N. M. Watson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * acl_to_text - return a text string with a text representation of the acl
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/types.h>
35 #include "namespace.h"
37 #include "un-namespace.h"
38 #include <sys/errno.h>
44 #include "acl_support.h"
47 * acl_to_text - generate a text form of an acl
48 * spec says nothing about output ordering, so leave in acl order
50 * This function will not produce nice results if it is called with
51 * a non-POSIX.1e semantics ACL.
54 acl_to_text(acl_t acl, ssize_t *len_p)
58 char name_buf[UT_NAMESIZE+1];
59 char perm_buf[_POSIX1E_ACL_STRING_PERM_MAXSIZE+1],
60 effective_perm_buf[_POSIX1E_ACL_STRING_PERM_MAXSIZE+1];
64 acl_perm_t ae_perm, effective_perm, mask_perm;
75 acl_int = &acl->ats_acl;
77 mask_perm = ACL_PERM_BITS; /* effective is regular if no mask */
78 for (i = 0; i < acl_int->acl_cnt; i++)
79 if (acl_int->acl_entry[i].ae_tag == ACL_MASK)
80 mask_perm = acl_int->acl_entry[i].ae_perm;
82 for (i = 0; i < acl_int->acl_cnt; i++) {
83 ae_tag = acl_int->acl_entry[i].ae_tag;
84 ae_id = acl_int->acl_entry[i].ae_id;
85 ae_perm = acl_int->acl_entry[i].ae_perm;
89 error = _posix1e_acl_perm_to_string(ae_perm,
90 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1, perm_buf);
93 len = asprintf(&tmpbuf, "%suser::%s\n", buf,
102 error = _posix1e_acl_perm_to_string(ae_perm,
103 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1, perm_buf);
107 error = _posix1e_acl_id_to_name(ae_tag, ae_id,
108 UT_NAMESIZE+1, name_buf);
112 effective_perm = ae_perm & mask_perm;
113 if (effective_perm != ae_perm) {
114 error = _posix1e_acl_perm_to_string(
116 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1,
120 len = asprintf(&tmpbuf, "%suser:%s:%s\t\t# "
122 buf, name_buf, perm_buf,
125 len = asprintf(&tmpbuf, "%suser:%s:%s\n", buf,
135 error = _posix1e_acl_perm_to_string(ae_perm,
136 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1, perm_buf);
140 effective_perm = ae_perm & mask_perm;
141 if (effective_perm != ae_perm) {
142 error = _posix1e_acl_perm_to_string(
144 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1,
148 len = asprintf(&tmpbuf, "%sgroup::%s\t\t# "
150 buf, perm_buf, effective_perm_buf);
152 len = asprintf(&tmpbuf, "%sgroup::%s\n", buf,
162 error = _posix1e_acl_perm_to_string(ae_perm,
163 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1, perm_buf);
167 error = _posix1e_acl_id_to_name(ae_tag, ae_id,
168 UT_NAMESIZE+1, name_buf);
172 effective_perm = ae_perm & mask_perm;
173 if (effective_perm != ae_perm) {
174 error = _posix1e_acl_perm_to_string(
176 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1,
180 len = asprintf(&tmpbuf, "%sgroup:%s:%s\t\t# "
182 buf, name_buf, perm_buf,
185 len = asprintf(&tmpbuf, "%sgroup:%s:%s\n", buf,
195 error = _posix1e_acl_perm_to_string(ae_perm,
196 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1, perm_buf);
200 len = asprintf(&tmpbuf, "%smask::%s\n", buf,
209 error = _posix1e_acl_perm_to_string(ae_perm,
210 _POSIX1E_ACL_STRING_PERM_MAXSIZE+1, perm_buf);
214 len = asprintf(&tmpbuf, "%sother::%s\n", buf,
229 *len_p = strlen(buf);
234 /* jump to here sets errno already, we just clean up */