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kern_xxx_12.c revision 1.15.56.1 
      1 /*	$NetBSD: kern_xxx_12.c,v 1.15.56.1 2018/03/31 09:17:35 pgoyette Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1982, 1986, 1989, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)kern_xxx.c	8.2 (Berkeley) 11/14/93
     32  * from NetBSD: kern_xxx.c,v 1.32 1996/04/22 01:38:41 christos Exp
     33  */
     34 
     35 #include <sys/cdefs.h>
     36 __KERNEL_RCSID(0, "$NetBSD: kern_xxx_12.c,v 1.15.56.1 2018/03/31 09:17:35 pgoyette Exp $");
     37 
     38 #include <sys/param.h>
     39 #include <sys/systm.h>
     40 #include <sys/proc.h>
     41 #include <sys/reboot.h>
     42 #include <sys/syscall.h>
     43 #include <sys/syscallvar.h>
     44 #include <sys/syscallargs.h>
     45 #include <sys/kauth.h>
     46 
     47 #include <compat/common/compat_mod.h>
     48 
     49 static const struct syscall_package kern_xxx_12_syscalls[] = {
     50 	{ SYS_compat_12_oreboot, 0, (sy_call_t *)compat_12_sys_reboot },
     51 	{ 0, 0, NULL }
     52 };
     53 
     54 /* ARGSUSED */
     55 int
     56 compat_12_sys_reboot(struct lwp *l,
     57     const struct compat_12_sys_reboot_args *uap, register_t *retval)
     58 {
     59 	/* {
     60 		syscallarg(int) opt;
     61 	} */
     62 	int error;
     63 
     64 	if ((error = kauth_authorize_system(l->l_cred,
     65 	    KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 0)
     66 		return (error);
     67 	KERNEL_LOCK(1, NULL);
     68 	cpu_reboot(SCARG(uap, opt), NULL);
     69 	KERNEL_UNLOCK_ONE(NULL);
     70 	return (0);
     71 }
     72 
     73 int
     74 kern_xxx_12_init(void)
     75 {
     76 
     77 	return syscall_establish(NULL, kern_xxx_12_syscalls);
     78 }
     79 
     80 int
     81 kern_xxx_12_fini(void)
     82 {
     83 
     84 	return syscall_disestablish(NULL, kern_xxx_12_syscalls);
     85 }
     86