projects / linux.git / blame
| 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 ([email protected]) |
| 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 */ | |
| cce246ee | 30 | #define DEFSECDESCLEN 192 /* sec desc len contaiting a dacl with three aces */ |
| 297647c2 | 31 | |
| a750e77c SF |
32 | #define READ_BIT 0x4 |
| 33 | #define WRITE_BIT 0x2 | |
| 34 | #define EXEC_BIT 0x1 | |
| 35 | ||
| 36 | #define UBITSHIFT 6 | |
| 37 | #define GBITSHIFT 3 | |
| 38 | ||
| 63d2583f SF |
39 | #define ACCESS_ALLOWED 0 |
| 40 | #define ACCESS_DENIED 1 | |
| 41 | ||
| 9409ae58 SP |
42 | #define SIDOWNER 1 |
| 43 | #define SIDGROUP 2 | |
| 44 | #define SIDLEN 150 /* S- 1 revision- 6 authorities- max 5 sub authorities */ | |
| 45 | ||
| 46 | #define SID_ID_MAPPED 0 | |
| 47 | #define SID_ID_PENDING 1 | |
| 48 | #define SID_MAP_EXPIRE (3600 * HZ) /* map entry expires after one hour */ | |
| 49 | #define SID_MAP_RETRY (300 * HZ) /* wait 5 minutes for next attempt to map */ | |
| 50 | ||
| 442aa310 | 51 | struct cifs_ntsd { |
| af6f4612 SF |
52 | __le16 revision; /* revision level */ |
| 53 | __le16 type; | |
| 54 | __le32 osidoffset; | |
| 55 | __le32 gsidoffset; | |
| 56 | __le32 sacloffset; | |
| 57 | __le32 dacloffset; | |
| 442aa310 SF |
58 | } __attribute__((packed)); |
| 59 | ||
| bf820679 SF |
60 | struct cifs_sid { |
| 61 | __u8 revision; /* revision level */ | |
| 4084973d | 62 | __u8 num_subauth; |
| 442aa310 | 63 | __u8 authority[6]; |
| 44093ca2 | 64 | __le32 sub_auth[5]; /* sub_auth[num_subauth] */ |
| 442aa310 SF |
65 | } __attribute__((packed)); |
| 66 | ||
| 67 | struct cifs_acl { | |
| af6f4612 SF |
68 | __le16 revision; /* revision level */ |
| 69 | __le16 size; | |
| 70 | __le32 num_aces; | |
| 442aa310 SF |
71 | } __attribute__((packed)); |
| 72 | ||
| 44093ca2 | 73 | struct cifs_ace { |
| 442aa310 SF |
74 | __u8 type; |
| 75 | __u8 flags; | |
| 8f2376ad CG |
76 | __le16 size; |
| 77 | __le32 access_req; | |
| 44093ca2 | 78 | struct cifs_sid sid; /* ie UUID of user or group who gets these perms */ |
| 297647c2 SF |
79 | } __attribute__((packed)); |
| 80 | ||
| 81 | struct cifs_wksid { | |
| 82 | struct cifs_sid cifssid; | |
| 83 | char sidname[SIDNAMELENGTH]; | |
| bf820679 SF |
84 | } __attribute__((packed)); |
| 85 | ||
| 9409ae58 SP |
86 | struct cifs_sid_id { |
| 87 | unsigned int refcount; /* increment with spinlock, decrement without */ | |
| 88 | unsigned long id; | |
| 89 | unsigned long time; | |
| 90 | unsigned long state; | |
| 91 | char *sidstr; | |
| 92 | struct rb_node rbnode; | |
| 93 | struct cifs_sid sid; | |
| 94 | }; | |
| 95 | ||
| 96 | #ifdef __KERNEL__ | |
| 97 | extern struct key_type cifs_idmap_key_type; | |
| 98 | extern const struct cred *root_cred; | |
| 99 | #endif /* KERNEL */ | |
| 100 | ||
| d61e5808 | 101 | extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *); |
| 297647c2 | 102 | |
| a6230af7 | 103 | #endif /* _CIFSACL_H */ |