android_kernel_xiaomi_sm8350/fs/cifs/cifsacl.h
Steve French 297647c21f [CIFS] CIFS ACL support part 3
Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-10-12 04:11:59 +00:00

79 lines
2.2 KiB
C

/*
* fs/cifs/cifsacl.h
*
* Copyright (c) International Business Machines Corp., 2007
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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. See
* the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 _CIFSACL_H
#define _CIFSACL_H
#define NUM_WK_SIDS 7 /* number of well known sids */
#define SIDNAMELENGTH 20 /* long enough for the ones we care about */
struct cifs_ntsd {
__u16 revision; /* revision level */
__u16 type;
__u32 osidoffset;
__u32 gsidoffset;
__u32 sacloffset;
__u32 dacloffset;
} __attribute__((packed));
struct cifs_sid {
__u8 revision; /* revision level */
__u8 num_subauth;
__u8 authority[6];
__u32 sub_auth[5]; /* sub_auth[num_subauth] */
} __attribute__((packed));
struct cifs_acl {
__u16 revision; /* revision level */
__u16 size;
__u32 num_aces;
} __attribute__((packed));
struct cifs_ntace { /* first part of ACE which contains perms */
__u8 type;
__u8 flags;
__u16 size;
__u32 access_req;
} __attribute__((packed));
struct cifs_ace { /* last part of ACE which includes user info */
__u8 revision; /* revision level */
__u8 num_subauth;
__u8 authority[6];
__u32 sub_auth[5];
} __attribute__((packed));
struct cifs_wksid {
struct cifs_sid cifssid;
char sidname[SIDNAMELENGTH];
} __attribute__((packed));
#ifdef CONFIG_CIFS_EXPERIMENTAL
extern struct cifs_wksid wksidarr[NUM_WK_SIDS];
extern int match_sid(struct cifs_sid *);
extern int compare_sids(struct cifs_sid *, struct cifs_sid *);
#endif /* CONFIG_CIFS_EXPERIMENTAL */
#endif /* _CIFSACL_H */