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/priv.h> 43 44 struct task_struct; 45 46 #define CAP_SYS_ADMIN PRIV_DRIVER 47 48 static inline bool 49 capable(const int tryme) 50 { 51 return (priv_check(curthread, tryme) == 0); 52 } 53 54 #endif /* _LINUX_CAPABILITY_H */ 55