2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2021 Robert N M Watson, Gleb Popov
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8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
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29 * acl_from_mode_np: Create an ACL from a mode_t.
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/types.h>
36 #include <sys/param.h>
41 * return an ACL corresponding to the permissions
45 acl_from_mode_np(const mode_t mode)
53 /* here and below, the only possible reason to fail is ENOMEM, so
54 * no need to set errno again
59 /* First entry: ACL_USER_OBJ */
60 if (acl_create_entry(&acl, &entry) == -1)
62 /* TODO: need to handle error there and below? */
63 acl_set_tag_type(entry, ACL_USER_OBJ);
65 acl_get_permset(entry, &perms);
66 acl_clear_perms(perms);
68 /* calculate user mode */
70 acl_add_perm(perms, ACL_READ);
72 acl_add_perm(perms, ACL_WRITE);
74 acl_add_perm(perms, ACL_EXECUTE);
76 acl_set_permset(entry, perms);
78 /* Second entry: ACL_GROUP_OBJ */
79 if (acl_create_entry(&acl, &entry) == -1)
81 acl_set_tag_type(entry, ACL_GROUP_OBJ);
83 acl_get_permset(entry, &perms);
84 acl_clear_perms(perms);
86 /* calculate group mode */
88 acl_add_perm(perms, ACL_READ);
90 acl_add_perm(perms, ACL_WRITE);
92 acl_add_perm(perms, ACL_EXECUTE);
94 acl_set_permset(entry, perms);
96 /* Third entry: ACL_OTHER */
97 if (acl_create_entry(&acl, &entry) == -1)
99 acl_set_tag_type(entry, ACL_OTHER);
101 acl_get_permset(entry, &perms);
102 acl_clear_perms(perms);
104 /* calculate other mode */
106 acl_add_perm(perms, ACL_READ);
108 acl_add_perm(perms, ACL_WRITE);
110 acl_add_perm(perms, ACL_EXECUTE);
112 acl_set_permset(entry, perms);