1 /*- 2 * Copyright (c) 1999-2002, 2007 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005 Tom Rhodes 5 * Copyright (c) 2006 SPARTA, Inc. 6 * All rights reserved. 7 * 8 * This software was developed by Robert Watson for the TrustedBSD Project. 9 * It was later enhanced by Tom Rhodes for the TrustedBSD Project. 10 * 11 * This software was developed for the FreeBSD Project in part by Network 12 * Associates Laboratories, the Security Research Division of Network 13 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 14 * as part of the DARPA CHATS research program. 15 * 16 * This software was enhanced by SPARTA ISSO under SPAWAR contract 17 * N66001-04-C-6019 ("SEFOS"). 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in the 26 * documentation and/or other materials provided with the distribution. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 #include <sys/param.h> 42 #include <sys/acl.h> 43 #include <sys/kernel.h> 44 #include <sys/jail.h> 45 #include <sys/lock.h> 46 #include <sys/malloc.h> 47 #include <sys/module.h> 48 #include <sys/mount.h> 49 #include <sys/mutex.h> 50 #include <sys/priv.h> 51 #include <sys/systm.h> 52 #include <sys/vnode.h> 53 #include <sys/sysctl.h> 54 #include <sys/syslog.h> 55 #include <sys/stat.h> 56 57 #include <security/mac/mac_policy.h> 58 #include <security/mac_bsdextended/mac_bsdextended.h> 59 #include <security/mac_bsdextended/ugidfw_internal.h> 60 61 int 62 ugidfw_system_check_acct(struct ucred *cred, struct vnode *vp, 63 struct label *vplabel) 64 { 65 66 if (vp != NULL) 67 return (ugidfw_check_vp(cred, vp, MBI_WRITE)); 68 else 69 return (0); 70 } 71 72 int 73 ugidfw_system_check_auditctl(struct ucred *cred, struct vnode *vp, 74 struct label *vplabel) 75 { 76 77 if (vp != NULL) 78 return (ugidfw_check_vp(cred, vp, MBI_WRITE)); 79 else 80 return (0); 81 } 82 83 int 84 ugidfw_system_check_swapon(struct ucred *cred, struct vnode *vp, 85 struct label *vplabel) 86 { 87 88 return (ugidfw_check_vp(cred, vp, MBI_WRITE)); 89 } 90