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/*
File: sys/acl.h
(C) 1999 Andreas Gruenbacher, <a.gruenbacher@computer.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __SYS_ACL_H
#define __SYS_ACL_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*=== Data types ===*/
struct __acl_ext;
struct __acl_entry_ext;
struct __acl_permset_ext;
typedef unsigned int acl_type_t;
typedef int acl_tag_t;
typedef unsigned int acl_perm_t;
typedef struct __acl_ext *acl_t;
typedef struct __acl_entry_ext *acl_entry_t;
typedef struct __acl_permset_ext *acl_permset_t;
/*=== Constants ===*/
/* 23.2.2 acl_perm_t values */
#define ACL_READ (0x04)
#define ACL_WRITE (0x02)
#define ACL_EXECUTE (0x01)
//#define ACL_ADD (0x08)
//#define ACL_DELETE (0x10)
/* 23.2.5 acl_tag_t values */
#define ACL_UNDEFINED_TAG (0x00)
#define ACL_USER_OBJ (0x01)
#define ACL_USER (0x02)
#define ACL_GROUP_OBJ (0x04)
#define ACL_GROUP (0x08)
#define ACL_MASK (0x10)
#define ACL_OTHER (0x20)
/* 23.3.6 acl_type_t values */
#define ACL_TYPE_ACCESS (0x8000)
#define ACL_TYPE_DEFAULT (0x4000)
/* 23.2.7 ACL qualifier constants */
#define ACL_UNDEFINED_ID ((id_t)-1)
/* 23.2.8 ACL Entry Constants */
#define ACL_FIRST_ENTRY 0
#define ACL_NEXT_ENTRY 1
/*=== ACL manipulation ===*/
extern acl_t acl_init(int count);
extern acl_t acl_dup(acl_t acl);
extern int acl_free(void *obj_p);
extern int acl_valid(acl_t acl);
/*=== Entry manipulation ===*/
extern int
acl_copy_entry(acl_entry_t dest_d, acl_entry_t src_d);
extern int acl_create_entry(acl_t *acl_p, acl_entry_t *entry_p);
extern int acl_delete_entry(acl_t acl, acl_entry_t entry_d);
extern int acl_get_entry(acl_t acl, int entry_id, acl_entry_t *entry_p);
/* Manipulate ACL entry permissions */
extern int acl_add_perm(acl_permset_t permset_d, acl_perm_t perm);
extern int acl_calc_mask(acl_t *acl_p);
extern int acl_clear_perms(acl_permset_t permset_d);
extern int acl_delete_perm(acl_permset_t permset_d, acl_perm_t perm);
extern int acl_get_permset(acl_entry_t entry_d, acl_permset_t *permset_p);
extern int acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d);
/* Manipulate ACL entry tag type and qualifier */
extern void * acl_get_qualifier(acl_entry_t entry_d);
extern int acl_get_tag_type(acl_entry_t entry_d, acl_tag_t *tag_type_p);
extern int acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p);
extern int acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type);
/*=== Format translation ===*/
extern ssize_t acl_copy_ext(void *buf_p, acl_t acl, ssize_t size);
extern acl_t acl_copy_int(const void *buf_p);
extern acl_t acl_from_text(const char *buf_p);
extern ssize_t acl_size(acl_t acl);
extern char *acl_to_text(acl_t acl, ssize_t *len_p);
/*=== Object manipulation ===*/
extern int acl_delete_def_file(const char *path_p);
extern acl_t acl_get_fd(int fd);
extern acl_t acl_get_file(const char *path_p, acl_type_t type);
extern int acl_set_fd(int fd, acl_t acl);
extern int acl_set_file(const char *path_p, acl_type_t type, acl_t acl);
#ifdef __cplusplus
}
#endif
#endif /* __SYS_ACL_H */
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