1 /*
2 * Copyright (c) 2015 Rimvydas Jasinskas
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 /*
28 * linux/capability.h
29 *
30 * Simple capable() priv_check helper
31 *
32 * Note enforced "const int" safety check
33 */
34
35 #ifndef _LINUX_CAPABILITY_H
36 #define _LINUX_CAPABILITY_H
37
38 #include <uapi/linux/capability.h>
39
40 #include <sys/globaldata.h>
41 #include <sys/thread.h>
42 #include <sys/caps.h>
43
44 struct task_struct;
45
46 #define CAP_SYS_ADMIN SYSCAP_RESTRICTEDROOT
47
48 static inline bool
capable(const int tryme)49 capable(const int tryme)
50 {
51 return (caps_priv_check_self(tryme) == 0);
52 }
53
54 #endif /* _LINUX_CAPABILITY_H */
55