4 * Copyright (c) International Business Machines Corp., 2007
5 * Author(s): Steve French (sfrench@us.ibm.com)
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.
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.
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
26 #define NUM_AUTHS 6 /* number of authority fields */
27 #define NUM_SUBAUTHS 5 /* number of sub authority fields */
28 #define NUM_WK_SIDS 7 /* number of well known sids */
29 #define SIDNAMELENGTH 20 /* long enough for the ones we care about */
30 #define DEFSECDESCLEN 192 /* sec desc len contaiting a dacl with three aces */
39 #define ACCESS_ALLOWED 0
40 #define ACCESS_DENIED 1
44 #define SIDLEN 150 /* S- 1 revision- 6 authorities- max 5 sub authorities */
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 */
52 __le16 revision; /* revision level */
58 } __attribute__((packed));
61 __u8 revision; /* revision level */
63 __u8 authority[NUM_AUTHS];
64 __le32 sub_auth[NUM_SUBAUTHS]; /* sub_auth[num_subauth] */
65 } __attribute__((packed));
67 /* size of a struct cifs_sid, sans sub_auth array */
68 #define CIFS_SID_BASE_SIZE (1 + 1 + NUM_AUTHS)
71 __le16 revision; /* revision level */
74 } __attribute__((packed));
81 struct cifs_sid sid; /* ie UUID of user or group who gets these perms */
82 } __attribute__((packed));
85 struct cifs_sid cifssid;
86 char sidname[SIDNAMELENGTH];
87 } __attribute__((packed));
90 unsigned int refcount; /* increment with spinlock, decrement without */
95 struct rb_node rbnode;
100 extern struct key_type cifs_idmap_key_type;
101 extern const struct cred *root_cred;
104 #endif /* _CIFSACL_H */