[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / cifs / cifsacl.h

/*
 *   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_AUTHS 6 /* number of authority fields */
#define NUM_SUBAUTHS 5 /* number of sub authority fields */
#define NUM_WK_SIDS 7 /* number of well known sids */
#define SIDNAMELENGTH 20 /* long enough for the ones we care about */

#define READ_BIT        0x4
#define WRITE_BIT       0x2
#define EXEC_BIT        0x1

#define UBITSHIFT	6
#define GBITSHIFT	3

struct cifs_ntsd {
	__le16 revision; /* revision level */
	__le16 type;
	__le32 osidoffset;
	__le32 gsidoffset;
	__le32 sacloffset;
	__le32 dacloffset;
} __attribute__((packed));

struct cifs_sid {
	__u8 revision; /* revision level */
	__u8 num_subauth;
	__u8 authority[6];
	__le32 sub_auth[5]; /* sub_auth[num_subauth] */ /* BB FIXME endianness BB */
} __attribute__((packed));

struct cifs_acl {
	__le16 revision; /* revision level */
	__le16 size;
	__le32 num_aces;
} __attribute__((packed));

struct cifs_ntace { /* first part of ACE which contains perms */
	__u8 type;
	__u8 flags;
	__le16 size;
	__le32 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];
	__le32 sub_auth[5];
} __attribute__((packed));

struct cifs_wksid {
	struct cifs_sid cifssid;
	char sidname[SIDNAMELENGTH];
} __attribute__((packed));

#ifdef CONFIG_CIFS_EXPERIMENTAL

extern int match_sid(struct cifs_sid *);
extern int compare_sids(struct cifs_sid *, struct cifs_sid *);

#endif /*  CONFIG_CIFS_EXPERIMENTAL */

#endif /* _CIFSACL_H */
Commit	Line	Data
bf820679 SF	1	/*
	2	* fs/cifs/cifsacl.h
	3	*
bcb02034	4	* Copyright (c) International Business Machines Corp., 2007
bf820679 SF	5	* Author(s): Steve French (sfrench@us.ibm.com)
	6	*
	7	* This library is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU Lesser General Public License as published
	9	* by the Free Software Foundation; either version 2.1 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This library is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
	15	* the GNU Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public License
	18	* along with this library; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*/
	21
	22	#ifndef _CIFSACL_H
	23	#define _CIFSACL_H
	24
297647c2	25
a750e77c SF	26	#define NUM_AUTHS 6 /* number of authority fields */
a750e77c SF	27	#define NUM_SUBAUTHS 5 /* number of sub authority fields */
297647c2 SF	28	#define NUM_WK_SIDS 7 /* number of well known sids */
	29	#define SIDNAMELENGTH 20 /* long enough for the ones we care about */
	30
a750e77c SF	31	#define READ_BIT 0x4
	32	#define WRITE_BIT 0x2
	33	#define EXEC_BIT 0x1
	34
	35	#define UBITSHIFT 6
	36	#define GBITSHIFT 3
	37
442aa310	38	struct cifs_ntsd {
af6f4612 SF	39	__le16 revision; /* revision level */
	40	__le16 type;
	41	__le32 osidoffset;
	42	__le32 gsidoffset;
	43	__le32 sacloffset;
	44	__le32 dacloffset;
442aa310 SF	45	} __attribute__((packed));
442aa310 SF	46
bf820679 SF	47	struct cifs_sid {
bf820679 SF	48	__u8 revision; /* revision level */
4084973d	49	__u8 num_subauth;
442aa310	50	__u8 authority[6];
af6f4612	51	__le32 sub_auth[5]; /* sub_auth[num_subauth] / / BB FIXME endianness BB */
442aa310 SF	52	} __attribute__((packed));
	53
	54	struct cifs_acl {
af6f4612 SF	55	__le16 revision; /* revision level */
	56	__le16 size;
	57	__le32 num_aces;
442aa310 SF	58	} __attribute__((packed));
442aa310 SF	59
d0d66c44	60	struct cifs_ntace { /* first part of ACE which contains perms */
442aa310 SF	61	__u8 type;
442aa310 SF	62	__u8 flags;
8f2376ad CG	63	__le16 size;
8f2376ad CG	64	__le32 access_req;
442aa310 SF	65	} __attribute__((packed));
442aa310 SF	66
d0d66c44	67	struct cifs_ace { /* last part of ACE which includes user info */
442aa310	68	__u8 revision; /* revision level */
4084973d	69	__u8 num_subauth;
bf820679	70	__u8 authority[6];
af6f4612	71	__le32 sub_auth[5];
297647c2 SF	72	} __attribute__((packed));
	73
	74	struct cifs_wksid {
	75	struct cifs_sid cifssid;
	76	char sidname[SIDNAMELENGTH];
bf820679 SF	77	} __attribute__((packed));
bf820679 SF	78
297647c2 SF	79	#ifdef CONFIG_CIFS_EXPERIMENTAL
297647c2 SF	80
297647c2 SF	81	extern int match_sid(struct cifs_sid *);
	82	extern int compare_sids(struct cifs_sid , struct cifs_sid );
	83
	84	#endif /* CONFIG_CIFS_EXPERIMENTAL */
a6230af7 SF	85
a6230af7 SF	86	#endif /* _CIFSACL_H */