kern_reboot.c revision 1.1.2.2
1 1.1.2.2 pgoyette /* $NetBSD: kern_reboot.c,v 1.1.2.2 2018/09/30 01:45:55 pgoyette Exp $ */ 2 1.1.2.2 pgoyette 3 1.1.2.2 pgoyette /* 4 1.1.2.2 pgoyette * Copyright (c) 1982, 1986, 1989, 1993 5 1.1.2.2 pgoyette * The Regents of the University of California. All rights reserved. 6 1.1.2.2 pgoyette * 7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.1.2.2 pgoyette * are met: 10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.1.2.2 pgoyette * 3. Neither the name of the University nor the names of its contributors 16 1.1.2.2 pgoyette * may be used to endorse or promote products derived from this software 17 1.1.2.2 pgoyette * without specific prior written permission. 18 1.1.2.2 pgoyette * 19 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 1.1.2.2 pgoyette * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.1.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.1.2.2 pgoyette * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 1.1.2.2 pgoyette * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.1.2.2 pgoyette * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.1.2.2 pgoyette * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.1.2.2 pgoyette * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.1.2.2 pgoyette * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.1.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.1.2.2 pgoyette * SUCH DAMAGE. 30 1.1.2.2 pgoyette * 31 1.1.2.2 pgoyette * @(#)kern_xxx.c 8.3 (Berkeley) 2/14/95 32 1.1.2.2 pgoyette * from: NetBSD: kern_xxx.c,v 1.74 2017/10/28 00:37:11 pgoyette Exp 33 1.1.2.2 pgoyette */ 34 1.1.2.2 pgoyette 35 1.1.2.2 pgoyette #include <sys/cdefs.h> 36 1.1.2.2 pgoyette __KERNEL_RCSID(0, "$NetBSD: kern_reboot.c,v 1.1.2.2 2018/09/30 01:45:55 pgoyette Exp $"); 37 1.1.2.2 pgoyette 38 1.1.2.2 pgoyette #include <sys/param.h> 39 1.1.2.2 pgoyette #include <sys/systm.h> 40 1.1.2.2 pgoyette #include <sys/proc.h> 41 1.1.2.2 pgoyette #include <sys/reboot.h> 42 1.1.2.2 pgoyette #include <sys/syscall.h> 43 1.1.2.2 pgoyette #include <sys/syscallargs.h> 44 1.1.2.2 pgoyette #include <sys/kauth.h> 45 1.1.2.2 pgoyette 46 1.1.2.2 pgoyette /* ARGSUSED */ 47 1.1.2.2 pgoyette int 48 1.1.2.2 pgoyette sys_reboot(struct lwp *l, const struct sys_reboot_args *uap, register_t *retval) 49 1.1.2.2 pgoyette { 50 1.1.2.2 pgoyette /* { 51 1.1.2.2 pgoyette syscallarg(int) opt; 52 1.1.2.2 pgoyette syscallarg(char *) bootstr; 53 1.1.2.2 pgoyette } */ 54 1.1.2.2 pgoyette int error; 55 1.1.2.2 pgoyette char *bootstr, bs[128]; 56 1.1.2.2 pgoyette 57 1.1.2.2 pgoyette if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 58 1.1.2.2 pgoyette 0, NULL, NULL, NULL)) != 0) 59 1.1.2.2 pgoyette return (error); 60 1.1.2.2 pgoyette 61 1.1.2.2 pgoyette /* 62 1.1.2.2 pgoyette * Only use the boot string if RB_STRING is set. 63 1.1.2.2 pgoyette */ 64 1.1.2.2 pgoyette if ((SCARG(uap, opt) & RB_STRING) && 65 1.1.2.2 pgoyette (error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0)) == 0) 66 1.1.2.2 pgoyette bootstr = bs; 67 1.1.2.2 pgoyette else 68 1.1.2.2 pgoyette bootstr = NULL; 69 1.1.2.2 pgoyette /* 70 1.1.2.2 pgoyette * Not all ports use the bootstr currently. 71 1.1.2.2 pgoyette */ 72 1.1.2.2 pgoyette KERNEL_LOCK(1, NULL); 73 1.1.2.2 pgoyette cpu_reboot(SCARG(uap, opt), bootstr); 74 1.1.2.2 pgoyette KERNEL_UNLOCK_ONE(NULL); 75 1.1.2.2 pgoyette return (0); 76 1.1.2.2 pgoyette } 77
Indexes created Tue Sep 30 11:09:46 GMT 2025