X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..7e41aa883dd258f888d0470250eead40a53ef1f5:/bsd/kern/kern_xxx.c diff --git a/bsd/kern/kern_xxx.c b/bsd/kern/kern_xxx.c index 470a220e8..0fe1cfa30 100644 --- a/bsd/kern/kern_xxx.c +++ b/bsd/kern/kern_xxx.c @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2009 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* @@ -54,8 +60,12 @@ * * @(#)kern_xxx.c 8.2 (Berkeley) 11/14/93 */ - -#include +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ #include #include @@ -67,32 +77,72 @@ #include #include -#include +#include #include #include +#if CONFIG_MACF +#include +#endif + +int pshm_cache_purge_all(proc_t p); +int psem_cache_purge_all(proc_t p); int -reboot(struct proc *p, register struct reboot_args *uap, __unused register_t *retval) +reboot(struct proc *p, register struct reboot_args *uap, __unused int32_t *retval) { - char command[64]; - int error; - int dummy=0; + char message[128]; + int error=0; + size_t dummy=0; +#if CONFIG_MACF + kauth_cred_t my_cred; +#endif AUDIT_ARG(cmd, uap->opt); - command[0] = '\0'; + message[0] = '\0'; if ((error = suser(kauth_cred_get(), &p->p_acflag))) return(error); if (uap->opt & RB_COMMAND) - error = copyinstr(uap->command, - (void *)command, sizeof(command), (size_t *)&dummy); + return ENOSYS; + + if (uap->opt & RB_PANIC) { +#if !(DEVELOPMENT || DEBUG) + if (p != initproc) { + return EPERM; + } +#endif + error = copyinstr(uap->command, (void *)message, sizeof(message), (size_t *)&dummy); + } + +#if CONFIG_MACF + if (error) + return (error); + my_cred = kauth_cred_proc_ref(p); + error = mac_system_check_reboot(my_cred, uap->opt); + kauth_cred_unref(&my_cred); +#endif if (!error) { - SET(p->p_flag, P_REBOOT); /* No more signals for this proc */ - boot(RB_BOOT, uap->opt, command); + OSBitOrAtomic(P_REBOOT, &p->p_flag); /* No more signals for this proc */ + error = reboot_kernel(uap->opt, message); } return(error); } +int +usrctl(struct proc *p, __unused register struct usrctl_args *uap, __unused int32_t *retval) +{ + if (p != initproc) { + return EPERM; + } + + int error = 0; + error = pshm_cache_purge_all(p); + if (error) + return error; + + error = psem_cache_purge_all(p); + return error; +}