git://bbs.cooldavid.org / net-next-2.6.git / blame
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| 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 */ |
| 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)); |
| 46 | ||
| bf820679 SF |
47 | struct cifs_sid { |
| 48 | __u8 revision; /* revision level */ | |
| 4084973d | 49 | __u8 num_subauth; |
| 442aa310 | 50 | __u8 authority[6]; |
| 44093ca2 | 51 | __le32 sub_auth[5]; /* sub_auth[num_subauth] */ |
| 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)); |
| 59 | ||
| 44093ca2 | 60 | struct cifs_ace { |
| 442aa310 SF |
61 | __u8 type; |
| 62 | __u8 flags; | |
| 8f2376ad CG |
63 | __le16 size; |
| 64 | __le32 access_req; | |
| 44093ca2 | 65 | struct cifs_sid sid; /* ie UUID of user or group who gets these perms */ |
| 297647c2 SF |
66 | } __attribute__((packed)); |
| 67 | ||
| 68 | struct cifs_wksid { | |
| 69 | struct cifs_sid cifssid; | |
| 70 | char sidname[SIDNAMELENGTH]; | |
| bf820679 SF |
71 | } __attribute__((packed)); |
| 72 | ||
| 297647c2 SF |
73 | #ifdef CONFIG_CIFS_EXPERIMENTAL |
| 74 | ||
| 297647c2 | 75 | extern int match_sid(struct cifs_sid *); |
| d61e5808 | 76 | extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *); |
| 297647c2 SF |
77 | |
| 78 | #endif /* CONFIG_CIFS_EXPERIMENTAL */ | |
| a6230af7 SF |
79 | |
| 80 | #endif /* _CIFSACL_H */ |