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14 * in the LICENSE file that accompanied this code).
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36 * libcfs/include/libcfs/curproc.h
38 * Lustre curproc API declaration
40 * Author: Nikita Danilov <nikita@clusterfs.com>
43 #ifndef __LIBCFS_CURPROC_H__
44 #define __LIBCFS_CURPROC_H__
46 #if !defined(HAVE_UIDGID_HEADER) || !defined(__KERNEL__)
48 #ifndef _LINUX_UIDGID_H
49 #define _LINUX_UIDGID_H
54 #define INVALID_UID -1
55 #define INVALID_GID -1
57 #define GLOBAL_ROOT_UID 0
58 #define GLOBAL_ROOT_GID 0
61 struct user_namespace {
65 extern struct user_namespace init_user_ns;
68 static inline uid_t __kuid_val(kuid_t uid)
73 static inline gid_t __kgid_val(kgid_t gid)
78 static inline kuid_t make_kuid(struct user_namespace *from, uid_t uid)
83 static inline kgid_t make_kgid(struct user_namespace *from, gid_t gid)
88 static inline uid_t from_kuid(struct user_namespace *to, kuid_t uid)
93 static inline gid_t from_kgid(struct user_namespace *to, kgid_t gid)
98 static inline bool uid_eq(kuid_t left, kuid_t right)
100 return left == right;
103 static inline bool uid_valid(kuid_t uid)
105 return uid != (typeof(uid))INVALID_UID;
108 static inline bool gid_valid(kgid_t gid)
110 return gid != (typeof(gid))INVALID_GID;
112 #endif /* _LINUX_UIDGID_H */
116 int cfs_get_environ(const char *key, char *value, int *val_len);
118 typedef __u32 cfs_cap_t;
120 #define CFS_CAP_CHOWN 0
121 #define CFS_CAP_DAC_OVERRIDE 1
122 #define CFS_CAP_DAC_READ_SEARCH 2
123 #define CFS_CAP_FOWNER 3
124 #define CFS_CAP_FSETID 4
125 #define CFS_CAP_LINUX_IMMUTABLE 9
126 #define CFS_CAP_SYS_ADMIN 21
127 #define CFS_CAP_SYS_BOOT 23
128 #define CFS_CAP_SYS_RESOURCE 24
130 #define CFS_CAP_FS_MASK ((1 << CFS_CAP_CHOWN) | \
131 (1 << CFS_CAP_DAC_OVERRIDE) | \
132 (1 << CFS_CAP_DAC_READ_SEARCH) | \
133 (1 << CFS_CAP_FOWNER) | \
134 (1 << CFS_CAP_FSETID ) | \
135 (1 << CFS_CAP_LINUX_IMMUTABLE) | \
136 (1 << CFS_CAP_SYS_ADMIN) | \
137 (1 << CFS_CAP_SYS_BOOT) | \
138 (1 << CFS_CAP_SYS_RESOURCE))
140 void cfs_cap_raise(cfs_cap_t cap);
141 void cfs_cap_lower(cfs_cap_t cap);
142 int cfs_cap_raised(cfs_cap_t cap);
143 cfs_cap_t cfs_curproc_cap_pack(void);
144 void cfs_curproc_cap_unpack(cfs_cap_t cap);
145 int cfs_capable(cfs_cap_t cap);
147 /* __LIBCFS_CURPROC_H__ */
151 * c-indentation-style: "K&R"