]> git.ipfire.org Git - thirdparty/systemd.git/blame_incremental - src/shared/acl-util.h
ssh-generator: generate /etc/issue.d/ with VSOCK ssh info data (#37819)
[thirdparty/systemd.git] / src / shared / acl-util.h
... / ...
CommitLineData
1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2#pragma once
3
4#include "forward.h"
5
6int fd_acl_make_read_only_fallback(int fd);
7int fd_acl_make_writable_fallback(int fd);
8
9#if HAVE_ACL
10#include <acl/libacl.h> /* IWYU pragma: export */
11#include <sys/acl.h> /* IWYU pragma: export */
12
13int calc_acl_mask_if_needed(acl_t *acl_p);
14int add_base_acls_if_needed(acl_t *acl_p, const char *path);
15int acl_search_groups(const char* path, char ***ret_groups);
16int parse_acl(
17 const char *text,
18 acl_t *ret_acl_access,
19 acl_t *ret_acl_access_exec,
20 acl_t *ret_acl_default,
21 bool want_mask);
22int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *ret);
23int fd_add_uid_acl_permission(int fd, uid_t uid, unsigned mask);
24
25int fd_acl_make_read_only(int fd);
26int fd_acl_make_writable(int fd);
27
28/* acl_free takes multiple argument types.
29 * Multiple cleanup functions are necessary. */
30DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(acl_t, acl_free, NULL);
31#define acl_free_charp acl_free
32DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(char*, acl_free_charp, NULL);
33#define acl_free_uid_tp acl_free
34DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(uid_t*, acl_free_uid_tp, NULL);
35#define acl_free_gid_tp acl_free
36DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(gid_t*, acl_free_gid_tp, NULL);
37
38#else
39#define ACL_READ 0x04
40#define ACL_WRITE 0x02
41#define ACL_EXECUTE 0x01
42
43static inline int fd_add_uid_acl_permission(int fd, uid_t uid, unsigned mask) {
44 return -EOPNOTSUPP;
45}
46
47static inline int fd_acl_make_read_only(int fd) {
48 return fd_acl_make_read_only_fallback(fd);
49}
50
51static inline int fd_acl_make_writable(int fd) {
52 return fd_acl_make_writable_fallback(fd);
53}
54
55#endif