59 строки
1.4 KiB
C
59 строки
1.4 KiB
C
|
/*
|
||
|
|
* File: linux/nfsacl.h
|
||
|
|
*
|
||
|
|
* (C) 2003 Andreas Gruenbacher <agruen@suse.de>
|
||
|
|
*/
|
||
|
|
#ifndef __LINUX_NFSACL_H
|
||
|
|
#define __LINUX_NFSACL_H
|
||
|
|
|
||
|
|
#define NFS_ACL_PROGRAM 100227
|
||
|
|
|
||
|
|
#define ACLPROC2_GETACL 1
|
||
|
|
#define ACLPROC2_SETACL 2
|
||
|
|
#define ACLPROC2_GETATTR 3
|
||
|
|
#define ACLPROC2_ACCESS 4
|
||
|
|
|
||
|
|
#define ACLPROC3_GETACL 1
|
||
|
|
#define ACLPROC3_SETACL 2
|
||
|
|
|
||
|
|
|
||
|
|
/* Flags for the getacl/setacl mode */
|
||
|
|
#define NFS_ACL 0x0001
|
||
|
|
#define NFS_ACLCNT 0x0002
|
||
|
|
#define NFS_DFACL 0x0004
|
||
|
|
#define NFS_DFACLCNT 0x0008
|
||
|
|
|
||
|
|
/* Flag for Default ACL entries */
|
||
|
|
#define NFS_ACL_DEFAULT 0x1000
|
||
|
|
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
|
||
|
|
#include <linux/posix_acl.h>
|
||
|
|
|
||
|
|
/* Maximum number of ACL entries over NFS */
|
||
|
|
#define NFS_ACL_MAX_ENTRIES 1024
|
||
|
|
|
||
|
|
#define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES))
|
||
|
|
#define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
|
||
|
|
>> PAGE_SHIFT)
|
||
|
|
|
||
|
|
static inline unsigned int
|
||
|
|
nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
|
||
|
|
{
|
||
|
|
unsigned int w = 16;
|
||
|
|
w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12;
|
||
|
|
if (acl_default)
|
||
|
|
w += max((int)acl_default->a_count, 4) * 12;
|
||
|
|
return w;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern unsigned int
|
||
|
|
nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
|
||
|
|
struct posix_acl *acl, int encode_entries, int typeflag);
|
||
|
|
extern unsigned int
|
||
|
|
nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
|
||
|
|
struct posix_acl **pacl);
|
||
|
|
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
#endif /* __LINUX_NFSACL_H */
|