2 Copyright (C) 2000, 2002, 2003 Andreas Gruenbacher <agruen@suse.de>
4 This program is free software: you can redistribute it and/or modify it
5 under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation, either version 2.1 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 typedef unsigned int permset_t;
24 #define ACL_PERM_NONE (0x0000)
27 struct acl_permset_obj_tag;
28 typedef struct acl_permset_obj_tag acl_permset_obj;
29 struct qualifier_obj_tag;
30 typedef struct qualifier_obj_tag qualifier_obj;
31 struct acl_entry_obj_tag;
32 typedef struct acl_entry_obj_tag acl_entry_obj;
34 typedef struct acl_obj_tag acl_obj;
36 /* permset_t object */
37 struct __acl_permset_ext {
40 struct acl_permset_obj_tag {
42 struct __acl_permset_ext i;
45 #define sperm i.s_perm
46 #define oprefix i.o_prefix
48 #define permset_obj_equal(s1, s2) \
49 ((s1).sperm == (s2).sperm)
51 /* qualifier object */
52 struct __qualifier_ext {
56 struct qualifier_obj_tag {
58 struct __qualifier_ext i;
63 #define qualifier_obj_id(q) \
66 /* acl_entry object */
70 acl_permset_obj e_perm;
73 struct __acl_entry_ext {
74 acl_entry_obj *e_prev, *e_next;
76 struct __acl_entry e_entry;
79 struct acl_entry_obj_tag {
81 struct __acl_entry_ext i;
84 #define econtainer i.e_container
85 #define eprev i.e_prev
86 #define enext i.e_next
87 #define eentry i.e_entry
88 #define etag i.e_entry.e_tag
89 #define eperm i.e_entry.e_perm
90 #define eid i.e_entry.e_id
92 #define init_acl_entry_obj(entry) do { \
93 (entry).etag = ACL_UNDEFINED_TAG; \
94 new_obj_p_here(acl_permset, &(entry).eperm); \
95 (entry).eperm.sperm = ACL_PERM_NONE; \
96 new_obj_p_here(qualifier, &(entry).eid); \
97 (entry).eid.qid = ACL_UNDEFINED_ID; \
102 acl_entry_obj *a_prev, *a_next;
103 acl_entry_obj *a_curr;
104 acl_entry_obj *a_prealloc, *a_prealloc_end;
112 #define aprev i.a_prev
113 #define anext i.a_next
114 #define acurr i.a_curr
115 #define aused i.a_used
116 #define aprealloc i.a_prealloc
117 #define aprealloc_end i.a_prealloc_end
119 /* external ACL representation */
122 struct __acl_entry x_entries[0];
125 extern int __acl_reorder_entry_obj_p(acl_entry_obj *acl_entry_obj_p) hidden;
126 extern int __acl_reorder_obj_p(acl_obj *acl_obj_p) hidden;
128 extern acl_obj *__acl_init_obj(int count) hidden;
129 extern acl_entry_obj *__acl_create_entry_obj(acl_obj *acl_obj_p) hidden;
130 extern void __acl_free_acl_obj(acl_obj *acl_obj_p) hidden;
132 extern char *__acl_to_any_text(acl_t acl, ssize_t *len_p,
133 const char *prefix, char separator,
134 const char *suffix, int options) hidden;
135 extern int __apply_mask_to_mode(mode_t *mode, acl_t acl) hidden;
137 #define FOREACH_ACL_ENTRY(entry_obj_p, acl_obj_p) \
138 for( (entry_obj_p) = (acl_obj_p)->anext; \
139 (entry_obj_p) != (acl_entry_obj *)(acl_obj_p); \
140 (entry_obj_p) = (entry_obj_p)->enext )