Viewing file:  posix_acl.h (1.77 KB) -rw-r--r--
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/*
File: linux/posix_acl.h
(C) 2000 Andreas Gruenbacher, <a.gruenbacher@computer.org>
*/
#ifndef __LINUX_POSIX_ACL_H
#define __LINUX_POSIX_ACL_H
#define ACL_UNDEFINED_ID ((unsigned int)-1)
/* a_type field in acl_user_posix_entry_t */
#define ACL_TYPE_ACCESS (0x8000)
#define ACL_TYPE_DEFAULT (0x4000)
/* e_tag entry in posix_acl_entry_t */
#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)
/* permissions in the e_perm field */
#define ACL_READ (0x04)
#define ACL_WRITE (0x02)
#define ACL_EXECUTE (0x01)
//#define ACL_ADD (0x08)
//#define ACL_DELETE (0x10)
#ifdef __KERNEL__
typedef struct {
short e_tag;
unsigned short e_perm;
unsigned int e_id;
} posix_acl_entry_t;
typedef struct {
atomic_t a_refcount;
unsigned int a_count;
posix_acl_entry_t a_entries[0];
} posix_acl_t;
#define FOREACH_ACL_ENTRY(pa, acl, pe) \
for(pa=(acl)->a_entries, pe=pa+(acl)->a_count; pa<pe; pa++)
/* pxacl.c */
extern posix_acl_t *
posix_acl_alloc(
int count);
extern posix_acl_t *
posix_acl_dup(
posix_acl_t *acl);
extern posix_acl_t *
posix_acl_clone(
const posix_acl_t *acl);
extern void
posix_acl_release(
posix_acl_t *acl);
extern int
posix_acl_valid(
const posix_acl_t *acl);
extern int
posix_acl_permission(
struct inode *inode,
const posix_acl_t *acl,
int want);
extern posix_acl_t *
posix_acl_from_mode(
mode_t mode);
extern int
posix_acl_equiv_mode(
const posix_acl_t *acl,
mode_t *modep);
extern int
posix_acl_create_masq(
posix_acl_t *acl,
mode_t *modep);
extern int
posix_acl_chmod_masq(
posix_acl_t *acl,
mode_t mode);
extern int
posix_acl_masq_nfs_v2_mode(
posix_acl_t *acl,
mode_t *modep);
#endif /* __KERNEL__ */
#endif /* __LINUX_POSIX_ACL_H */
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