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/*
Copyright (c) 2011-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _POSIX_ACL_H
#define _POSIX_ACL_H
#include <stdint.h>
#include "xlator.h"
#include "common-utils.h"
#include "byte-order.h"
#define POSIX_ACL_MINIMAL_ACE_COUNT 3
#define POSIX_ACL_READ (0x04)
#define POSIX_ACL_WRITE (0x02)
#define POSIX_ACL_EXECUTE (0x01)
#define POSIX_ACL_UNDEFINED_TAG (0x00)
#define POSIX_ACL_USER_OBJ (0x01)
#define POSIX_ACL_USER (0x02)
#define POSIX_ACL_GROUP_OBJ (0x04)
#define POSIX_ACL_GROUP (0x08)
#define POSIX_ACL_MASK (0x10)
#define POSIX_ACL_OTHER (0x20)
#define POSIX_ACL_UNDEFINED_ID ((id_t)-1)
struct posix_ace {
uint16_t tag;
uint16_t perm;
uint32_t id;
};
struct posix_acl {
int refcnt;
int count;
struct posix_ace entries[];
};
struct posix_acl_ctx {
uid_t uid;
gid_t gid;
mode_t perm;
struct posix_acl *acl_access;
struct posix_acl *acl_default;
};
struct posix_acl_conf {
gf_lock_t acl_lock;
uid_t super_uid;
struct posix_acl *minimal_acl;
};
struct posix_acl *posix_acl_new (xlator_t *this, int entry_count);
struct posix_acl *posix_acl_ref (xlator_t *this, struct posix_acl *acl);
void posix_acl_unref (xlator_t *this, struct posix_acl *acl);
void posix_acl_destroy (xlator_t *this, struct posix_acl *acl);
struct posix_acl_ctx *posix_acl_ctx_get (inode_t *inode, xlator_t *this);
int posix_acl_get (inode_t *inode, xlator_t *this,
struct posix_acl **acl_access_p,
struct posix_acl **acl_default_p);
int posix_acl_set (inode_t *inode, xlator_t *this, struct posix_acl *acl_access,
struct posix_acl *acl_default);
#endif /* !_POSIX_ACL_H */
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