5 #warning config options missing
8 #define XID_TAG(in) (!(in) || \
9 (((struct inode *)in)->i_sb && \
10 (((struct inode *)in)->i_sb->s_flags & MS_TAGXID)))
13 #ifdef CONFIG_INOXID_NONE
15 #define MAX_UID 0xFFFFFFFF
16 #define MAX_GID 0xFFFFFFFF
18 #define INOXID_XID(tag, uid, gid, xid) (0)
20 #define XIDINO_UID(tag, uid, xid) (uid)
21 #define XIDINO_GID(tag, gid, xid) (gid)
26 #ifdef CONFIG_INOXID_GID16
28 #define MAX_UID 0xFFFFFFFF
29 #define MAX_GID 0x0000FFFF
31 #define INOXID_XID(tag, uid, gid, xid) \
32 ((tag) ? (((gid) >> 16) & 0xFFFF) : 0)
34 #define XIDINO_UID(tag, uid, xid) (uid)
35 #define XIDINO_GID(tag, gid, xid) \
36 ((tag) ? (((gid) & 0xFFFF) | ((xid) << 16)) : (gid))
41 #ifdef CONFIG_INOXID_UGID24
43 #define MAX_UID 0x00FFFFFF
44 #define MAX_GID 0x00FFFFFF
46 #define INOXID_XID(tag, uid, gid, xid) \
47 ((tag) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0)
49 #define XIDINO_UID(tag, uid, xid) \
50 ((tag) ? (((uid) & 0xFFFFFF) | (((xid) & 0xFF00) << 16)) : (uid))
51 #define XIDINO_GID(tag, gid, xid) \
52 ((tag) ? (((gid) & 0xFFFFFF) | (((xid) & 0x00FF) << 24)) : (gid))
57 #ifdef CONFIG_INOXID_UID16
59 #define MAX_UID 0x0000FFFF
60 #define MAX_GID 0xFFFFFFFF
62 #define INOXID_XID(tag, uid, gid, xid) \
63 ((tag) ? (((uid) >> 16) & 0xFFFF) : 0)
65 #define XIDINO_UID(tag, uid, xid) \
66 ((tag) ? (((uid) & 0xFFFF) | ((xid) << 16)) : (uid))
67 #define XIDINO_GID(tag, gid, xid) (gid)
72 #ifdef CONFIG_INOXID_INTERN
74 #define MAX_UID 0xFFFFFFFF
75 #define MAX_GID 0xFFFFFFFF
77 #define INOXID_XID(tag, uid, gid, xid) \
80 #define XIDINO_UID(tag, uid, xid) (uid)
81 #define XIDINO_GID(tag, gid, xid) (gid)
86 #ifdef CONFIG_INOXID_RUNTIME
88 #define MAX_UID 0xFFFFFFFF
89 #define MAX_GID 0xFFFFFFFF
91 #define INOXID_XID(tag, uid, gid, xid) (0)
93 #define XIDINO_UID(tag, uid, xid) (uid)
94 #define XIDINO_GID(tag, gid, xid) (gid)
99 #define INOXID_UID(tag, uid, gid) \
100 ((tag) ? ((uid) & MAX_UID) : (uid))
101 #define INOXID_GID(tag, uid, gid) \
102 ((tag) ? ((gid) & MAX_GID) : (gid))
105 static inline uid_t vx_map_uid(uid_t uid)
107 if ((uid > MAX_UID) && (uid != -1))
109 return (uid & MAX_UID);
112 static inline gid_t vx_map_gid(gid_t gid)
114 if ((gid > MAX_GID) && (gid != -1))
116 return (gid & MAX_GID);
120 #ifdef CONFIG_VSERVER_LEGACY
121 #define FIOC_GETXID _IOR('x', 1, long)
122 #define FIOC_SETXID _IOW('x', 2, long)
123 #define FIOC_SETXIDJ _IOW('x', 3, long)
126 int vx_parse_xid(char *string, xid_t *xid, int remove);
127 void vx_propagate_xid(struct nameidata *nd, struct inode *inode);
129 #endif /* _VX_XID_H */