Home | History | Annotate | Line # | Download | only in linux
capability.h revision 1.2.6.2 
      1  1.2.6.2  martin /*	$NetBSD: capability.h,v 1.2.6.2 2020/04/08 14:08:27 martin Exp $	*/
      2  1.2.6.2  martin 
      3  1.2.6.2  martin /*-
      4  1.2.6.2  martin  * Copyright (c) 2020 The NetBSD Foundation, Inc.
      5  1.2.6.2  martin  * All rights reserved.
      6  1.2.6.2  martin  *
      7  1.2.6.2  martin  * Redistribution and use in source and binary forms, with or without
      8  1.2.6.2  martin  * modification, are permitted provided that the following conditions
      9  1.2.6.2  martin  * are met:
     10  1.2.6.2  martin  * 1. Redistributions of source code must retain the above copyright
     11  1.2.6.2  martin  *    notice, this list of conditions and the following disclaimer.
     12  1.2.6.2  martin  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.2.6.2  martin  *    notice, this list of conditions and the following disclaimer in the
     14  1.2.6.2  martin  *    documentation and/or other materials provided with the distribution.
     15  1.2.6.2  martin  *
     16  1.2.6.2  martin  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  1.2.6.2  martin  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  1.2.6.2  martin  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  1.2.6.2  martin  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  1.2.6.2  martin  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  1.2.6.2  martin  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  1.2.6.2  martin  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  1.2.6.2  martin  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  1.2.6.2  martin  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  1.2.6.2  martin  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  1.2.6.2  martin  * POSSIBILITY OF SUCH DAMAGE.
     27  1.2.6.2  martin  */
     28  1.2.6.2  martin 
     29  1.2.6.2  martin #ifndef _LINUX_CAPABILITY_H_
     30  1.2.6.2  martin #define _LINUX_CAPABILITY_H_
     31  1.2.6.2  martin 
     32  1.2.6.2  martin #include <sys/kauth.h>
     33  1.2.6.2  martin 
     34  1.2.6.2  martin enum linux_capability {
     35  1.2.6.2  martin 	LINUX_CAP_SYS_ADMIN,
     36  1.2.6.2  martin #define	CAP_SYS_ADMIN	LINUX_CAP_SYS_ADMIN
     37  1.2.6.2  martin };
     38  1.2.6.2  martin 
     39  1.2.6.2  martin static inline bool
     40  1.2.6.2  martin capable(enum linux_capability cap)
     41  1.2.6.2  martin {
     42  1.2.6.2  martin 
     43  1.2.6.2  martin 	KASSERT(cap == CAP_SYS_ADMIN);
     44  1.2.6.2  martin 	return kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER,
     45  1.2.6.2  martin 	    NULL) == 0;
     46  1.2.6.2  martin }
     47  1.2.6.2  martin 
     48  1.2.6.2  martin #endif  /* _LINUX_CAPABILITY_H_ */
     49