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 */
64 __le32 sub_auth[5]; /* sub_auth[num_subauth] */
65 } __attribute__((packed));
68 __le16 revision; /* revision level */
71 } __attribute__((packed));
78 struct cifs_sid sid; /* ie UUID of user or group who gets these perms */
79 } __attribute__((packed));
82 struct cifs_sid cifssid;
83 char sidname[SIDNAMELENGTH];
84 } __attribute__((packed));
87 unsigned int refcount; /* increment with spinlock, decrement without */
92 struct rb_node rbnode;
97 extern struct key_type cifs_idmap_key_type;
98 extern const struct cred *root_cred;
101 extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *);
103 #endif /* _CIFSACL_H */