X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..2d21ac55c334faf3a56e5634905ed6987fc787d4:/security/mac_system.c diff --git a/security/mac_system.c b/security/mac_system.c new file mode 100644 index 000000000..410c71310 --- /dev/null +++ b/security/mac_system.c @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2007 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * 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. + * + * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ + +/*- + * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson + * Copyright (c) 2001 Ilmar S. Habibulin + * Copyright (c) 2001, 2002, 2003, 2004 Networks Associates Technology, Inc. + * + * This software was developed by Robert Watson and Ilmar Habibulin for the + * TrustedBSD Project. + * + * This software was developed for the FreeBSD Project in part by Network + * Associates Laboratories, the Security Research Division of Network + * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), + * as part of the DARPA CHATS research program. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#include +#include +#include + +#include + + +int +mac_system_check_acct(kauth_cred_t cred, struct vnode *vp) +{ + int error; + + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_acct, cred, vp, + vp != NULL ? vp->v_label : NULL); + + return (error); +} + +int +mac_system_check_host_priv(kauth_cred_t cred) +{ + int error; + + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_host_priv, cred); + + return (error); +} + +int +mac_system_check_nfsd(kauth_cred_t cred) +{ + int error; + + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_nfsd, cred); + + return (error); +} + +int +mac_system_check_reboot(kauth_cred_t cred, int howto) +{ + int error; + + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_reboot, cred, howto); + + return (error); +} + +int +mac_system_check_settime(kauth_cred_t cred) +{ + int error; + + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_settime, cred); + + return (error); +} + +int +mac_system_check_swapon(kauth_cred_t cred, struct vnode *vp) +{ + int error; + + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_swapon, cred, vp, vp->v_label); + return (error); +} + +int +mac_system_check_swapoff(kauth_cred_t cred, struct vnode *vp) +{ + int error; + + + + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_swapoff, cred, vp, vp->v_label); + return (error); +} + +int +mac_system_check_sysctl(kauth_cred_t cred, int *name, u_int namelen, + user_addr_t old, user_addr_t oldlenp, int inkernel, user_addr_t new, size_t newlen) +{ + int error; + + /* + * XXXMAC: We're very much like to assert the SYSCTL_LOCK here, + * but since it's not exported from kern_sysctl.c, we can't. + */ + if (!mac_system_enforce) + return (0); + + MAC_CHECK(system_check_sysctl, cred, name, namelen, old, oldlenp, + inkernel, new, newlen); + + return (error); +}