4904133d3c
mac_bsdextended_check() to before the loop, as it needs to happen only once. MFC after: 1 week
788 lines
21 KiB
C
788 lines
21 KiB
C
/*-
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* Copyright (c) 2005 Tom Rhodes
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* Copyright (c) 1999-2002 Robert N. M. Watson
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* Copyright (c) 2001-2005 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed by Robert Watson for the TrustedBSD Project.
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* It was later enhanced by Tom Rhodes for the TrustedBSD Project.
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*
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* This software was developed for the FreeBSD Project in part by Network
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* Associates Laboratories, the Security Research Division of Network
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* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
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* as part of the DARPA CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Developed by the TrustedBSD Project.
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* "BSD Extended" MAC policy, allowing the administrator to impose
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* mandatory rules regarding users and some system objects.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/acl.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/jail.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/mount.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/sysproto.h>
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#include <sys/sysent.h>
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#include <sys/vnode.h>
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#include <sys/file.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/sysctl.h>
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#include <sys/syslog.h>
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#include <sys/ucred.h>
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#include <net/bpfdesc.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_var.h>
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#include <vm/vm.h>
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#include <security/mac/mac_policy.h>
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#include <security/mac_bsdextended/mac_bsdextended.h>
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static struct mtx mac_bsdextended_mtx;
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SYSCTL_DECL(_security_mac);
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SYSCTL_NODE(_security_mac, OID_AUTO, bsdextended, CTLFLAG_RW, 0,
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"TrustedBSD extended BSD MAC policy controls");
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static int mac_bsdextended_enabled = 1;
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SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, enabled, CTLFLAG_RW,
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&mac_bsdextended_enabled, 0, "Enforce extended BSD policy");
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TUNABLE_INT("security.mac.bsdextended.enabled", &mac_bsdextended_enabled);
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MALLOC_DEFINE(M_MACBSDEXTENDED, "mac_bsdextended", "BSD Extended MAC rule");
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#define MAC_BSDEXTENDED_MAXRULES 250
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static struct mac_bsdextended_rule *rules[MAC_BSDEXTENDED_MAXRULES];
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static int rule_count = 0;
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static int rule_slots = 0;
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static int rule_version = MB_VERSION;
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SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, rule_count, CTLFLAG_RD,
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&rule_count, 0, "Number of defined rules\n");
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SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, rule_slots, CTLFLAG_RD,
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&rule_slots, 0, "Number of used rule slots\n");
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SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, rule_version, CTLFLAG_RD,
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&rule_version, 0, "Version number for API\n");
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/*
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* This is just used for logging purposes, eventually we would like
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* to log much more then failed requests.
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*/
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static int mac_bsdextended_logging;
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SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, logging, CTLFLAG_RW,
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&mac_bsdextended_logging, 0, "Log failed authorization requests");
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/*
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* This tunable is here for compatibility. It will allow the user
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* to switch between the new mode (first rule matches) and the old
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* functionality (all rules match).
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*/
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static int
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mac_bsdextended_firstmatch_enabled;
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SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, firstmatch_enabled,
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CTLFLAG_RW, &mac_bsdextended_firstmatch_enabled, 1,
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"Disable/enable match first rule functionality");
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static int
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mac_bsdextended_rule_valid(struct mac_bsdextended_rule *rule)
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{
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if ((rule->mbr_subject.mbs_flags | MBS_ALL_FLAGS) != MBS_ALL_FLAGS)
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return (EINVAL);
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if ((rule->mbr_subject.mbs_neg | MBS_ALL_FLAGS) != MBS_ALL_FLAGS)
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return (EINVAL);
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if ((rule->mbr_object.mbo_flags | MBO_ALL_FLAGS) != MBO_ALL_FLAGS)
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return (EINVAL);
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if ((rule->mbr_object.mbo_neg | MBO_ALL_FLAGS) != MBO_ALL_FLAGS)
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return (EINVAL);
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if ((rule->mbr_object.mbo_neg | MBO_TYPE_DEFINED) &&
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(rule->mbr_object.mbo_type | MBO_ALL_TYPE) != MBO_ALL_TYPE)
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return (EINVAL);
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if ((rule->mbr_mode | MBI_ALLPERM) != MBI_ALLPERM)
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return (EINVAL);
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return (0);
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}
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static int
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sysctl_rule(SYSCTL_HANDLER_ARGS)
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{
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struct mac_bsdextended_rule temprule, *ruleptr;
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u_int namelen;
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int error, index, *name;
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error = 0;
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name = (int *)arg1;
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namelen = arg2;
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/* printf("bsdextended sysctl handler (namelen %d)\n", namelen); */
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if (namelen != 1)
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return (EINVAL);
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index = name[0];
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if (index >= MAC_BSDEXTENDED_MAXRULES)
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return (ENOENT);
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ruleptr = NULL;
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if (req->newptr && req->newlen != 0) {
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error = SYSCTL_IN(req, &temprule, sizeof(temprule));
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if (error)
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return (error);
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MALLOC(ruleptr, struct mac_bsdextended_rule *,
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sizeof(*ruleptr), M_MACBSDEXTENDED, M_WAITOK | M_ZERO);
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}
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mtx_lock(&mac_bsdextended_mtx);
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if (req->oldptr) {
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if (index < 0 || index > rule_slots + 1) {
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error = ENOENT;
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goto out;
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}
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if (rules[index] == NULL) {
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error = ENOENT;
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goto out;
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}
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temprule = *rules[index];
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}
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if (req->newptr && req->newlen == 0) {
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/* printf("deletion\n"); */
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KASSERT(ruleptr == NULL, ("sysctl_rule: ruleptr != NULL"));
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ruleptr = rules[index];
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if (ruleptr == NULL) {
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error = ENOENT;
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goto out;
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}
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rule_count--;
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rules[index] = NULL;
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} else if (req->newptr) {
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error = mac_bsdextended_rule_valid(&temprule);
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if (error)
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goto out;
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if (rules[index] == NULL) {
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/* printf("addition\n"); */
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*ruleptr = temprule;
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rules[index] = ruleptr;
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ruleptr = NULL;
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if (index + 1 > rule_slots)
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rule_slots = index + 1;
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rule_count++;
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} else {
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/* printf("replacement\n"); */
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*rules[index] = temprule;
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}
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}
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out:
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mtx_unlock(&mac_bsdextended_mtx);
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if (ruleptr != NULL)
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FREE(ruleptr, M_MACBSDEXTENDED);
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if (req->oldptr && error == 0)
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error = SYSCTL_OUT(req, &temprule, sizeof(temprule));
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return (error);
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}
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SYSCTL_NODE(_security_mac_bsdextended, OID_AUTO, rules,
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CTLFLAG_RW, sysctl_rule, "BSD extended MAC rules");
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static void
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mac_bsdextended_init(struct mac_policy_conf *mpc)
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{
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/* Initialize ruleset lock. */
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mtx_init(&mac_bsdextended_mtx, "mac_bsdextended lock", NULL, MTX_DEF);
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/* Register dynamic sysctl's for rules. */
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}
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static void
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mac_bsdextended_destroy(struct mac_policy_conf *mpc)
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{
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/* Destroy ruleset lock. */
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mtx_destroy(&mac_bsdextended_mtx);
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/* Tear down sysctls. */
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}
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static int
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mac_bsdextended_rulecheck(struct mac_bsdextended_rule *rule,
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struct ucred *cred, struct vnode *vp, struct vattr *vap, int acc_mode)
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{
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int match;
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int i;
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/*
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* Is there a subject match?
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*/
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mtx_assert(&mac_bsdextended_mtx, MA_OWNED);
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if (rule->mbr_subject.mbs_flags & MBS_UID_DEFINED) {
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match = ((cred->cr_uid <= rule->mbr_subject.mbs_uid_max &&
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cred->cr_uid >= rule->mbr_subject.mbs_uid_min) ||
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(cred->cr_ruid <= rule->mbr_subject.mbs_uid_max &&
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cred->cr_ruid >= rule->mbr_subject.mbs_uid_min) ||
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(cred->cr_svuid <= rule->mbr_subject.mbs_uid_max &&
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cred->cr_svuid >= rule->mbr_subject.mbs_uid_min));
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if (rule->mbr_subject.mbs_neg & MBS_UID_DEFINED)
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match = !match;
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if (!match)
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return (0);
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}
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if (rule->mbr_subject.mbs_flags & MBS_GID_DEFINED) {
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match = ((cred->cr_rgid <= rule->mbr_subject.mbs_gid_max &&
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cred->cr_rgid >= rule->mbr_subject.mbs_gid_min) ||
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(cred->cr_svgid <= rule->mbr_subject.mbs_gid_max &&
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cred->cr_svgid >= rule->mbr_subject.mbs_gid_min));
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if (!match) {
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for (i = 0; i < cred->cr_ngroups; i++)
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if (cred->cr_groups[i]
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<= rule->mbr_subject.mbs_gid_max &&
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cred->cr_groups[i]
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>= rule->mbr_subject.mbs_gid_min) {
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match = 1;
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break;
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}
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}
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if (rule->mbr_subject.mbs_neg & MBS_GID_DEFINED)
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match = !match;
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if (!match)
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return (0);
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}
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if (rule->mbr_subject.mbs_flags & MBS_PRISON_DEFINED) {
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match = (cred->cr_prison != NULL &&
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cred->cr_prison->pr_id == rule->mbr_subject.mbs_prison);
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if (rule->mbr_subject.mbs_neg & MBS_PRISON_DEFINED)
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match = !match;
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if (!match)
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return (0);
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}
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/*
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* Is there an object match?
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*/
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if (rule->mbr_object.mbo_flags & MBO_UID_DEFINED) {
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match = (vap->va_uid <= rule->mbr_object.mbo_uid_max &&
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vap->va_uid >= rule->mbr_object.mbo_uid_min);
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if (rule->mbr_object.mbo_neg & MBO_UID_DEFINED)
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match = !match;
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if (!match)
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return (0);
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}
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if (rule->mbr_object.mbo_flags & MBO_GID_DEFINED) {
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match = (vap->va_gid <= rule->mbr_object.mbo_gid_max &&
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vap->va_gid >= rule->mbr_object.mbo_gid_min);
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if (rule->mbr_object.mbo_neg & MBO_GID_DEFINED)
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match = !match;
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if (!match)
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return (0);
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}
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if (rule->mbr_object.mbo_flags & MBO_FSID_DEFINED) {
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match = (bcmp(&(vp->v_mount->mnt_stat.f_fsid),
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&(rule->mbr_object.mbo_fsid),
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sizeof(rule->mbr_object.mbo_fsid)) == 0);
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if (rule->mbr_object.mbo_neg & MBO_FSID_DEFINED)
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match = !match;
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if (!match)
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return 0;
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}
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if (rule->mbr_object.mbo_flags & MBO_SUID) {
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match = (vap->va_mode & VSUID);
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if (rule->mbr_object.mbo_neg & MBO_SUID)
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match = !match;
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if (!match)
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return 0;
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}
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if (rule->mbr_object.mbo_flags & MBO_SGID) {
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match = (vap->va_mode & VSGID);
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if (rule->mbr_object.mbo_neg & MBO_SGID)
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match = !match;
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if (!match)
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return 0;
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}
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if (rule->mbr_object.mbo_flags & MBO_UID_SUBJECT) {
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match = (vap->va_uid == cred->cr_uid ||
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vap->va_uid == cred->cr_ruid ||
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vap->va_uid == cred->cr_svuid);
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if (rule->mbr_object.mbo_neg & MBO_UID_SUBJECT)
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match = !match;
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if (!match)
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return 0;
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}
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if (rule->mbr_object.mbo_flags & MBO_GID_SUBJECT) {
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match = (groupmember(vap->va_gid, cred) ||
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vap->va_gid == cred->cr_rgid ||
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vap->va_gid == cred->cr_svgid);
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if (rule->mbr_object.mbo_neg & MBO_GID_SUBJECT)
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match = !match;
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if (!match)
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return 0;
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}
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if (rule->mbr_object.mbo_flags & MBO_TYPE_DEFINED) {
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switch (vap->va_type) {
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case VREG:
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match = (rule->mbr_object.mbo_type & MBO_TYPE_REG);
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break;
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case VDIR:
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match = (rule->mbr_object.mbo_type & MBO_TYPE_DIR);
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break;
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case VBLK:
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match = (rule->mbr_object.mbo_type & MBO_TYPE_BLK);
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break;
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case VCHR:
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match = (rule->mbr_object.mbo_type & MBO_TYPE_CHR);
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break;
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case VLNK:
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match = (rule->mbr_object.mbo_type & MBO_TYPE_LNK);
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break;
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case VSOCK:
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match = (rule->mbr_object.mbo_type & MBO_TYPE_SOCK);
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break;
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case VFIFO:
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match = (rule->mbr_object.mbo_type & MBO_TYPE_FIFO);
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break;
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default:
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match = 0;
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}
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|
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if (rule->mbr_object.mbo_neg & MBO_TYPE_DEFINED)
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match = !match;
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if (!match)
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return 0;
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}
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|
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/*
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* Is the access permitted?
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*/
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if ((rule->mbr_mode & acc_mode) != acc_mode) {
|
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if (mac_bsdextended_logging)
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log(LOG_AUTHPRIV, "mac_bsdextended: %d:%d request %d"
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" on %d:%d failed. \n", cred->cr_ruid,
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cred->cr_rgid, acc_mode, vap->va_uid, vap->va_gid);
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return (EACCES); /* Matching rule denies access */
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}
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|
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/*
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* If the rule matched, permits access, and first match is enabled,
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* return success.
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*/
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if (mac_bsdextended_firstmatch_enabled)
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return (EJUSTRETURN);
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else
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return(0);
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}
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|
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static int
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mac_bsdextended_check(struct ucred *cred, struct vnode *vp, struct vattr *vap,
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int acc_mode)
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{
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int error, i;
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|
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/*
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|
* XXXRW: More specific privilege selection needed?
|
|
*/
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if (suser_cred(cred, 0) == 0)
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return (0);
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|
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/*
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* Since we do not separately handle append, map append to write.
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|
*/
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if (acc_mode & MBI_APPEND) {
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acc_mode &= ~MBI_APPEND;
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acc_mode |= MBI_WRITE;
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}
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|
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mtx_lock(&mac_bsdextended_mtx);
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for (i = 0; i < rule_slots; i++) {
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if (rules[i] == NULL)
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continue;
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|
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error = mac_bsdextended_rulecheck(rules[i], cred,
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vp, vap, acc_mode);
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if (error == EJUSTRETURN)
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break;
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if (error) {
|
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mtx_unlock(&mac_bsdextended_mtx);
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return (error);
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|
}
|
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}
|
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mtx_unlock(&mac_bsdextended_mtx);
|
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return (0);
|
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}
|
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|
|
static int
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mac_bsdextended_check_vp(struct ucred *cred, struct vnode *vp, int acc_mode)
|
|
{
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|
int error;
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struct vattr vap;
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|
|
|
if (!mac_bsdextended_enabled)
|
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return (0);
|
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|
|
error = VOP_GETATTR(vp, &vap, cred, curthread);
|
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if (error)
|
|
return (error);
|
|
|
|
return (mac_bsdextended_check(cred, vp, &vap, acc_mode));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_system_swapon(struct ucred *cred, struct vnode *vp,
|
|
struct label *label)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_WRITE));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_access(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, int acc_mode)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, acc_mode));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, dvp, MBI_EXEC));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, dvp, MBI_EXEC));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_create_vnode(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel, struct componentname *cnp, struct vattr *vap)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, dvp, MBI_WRITE));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel, struct vnode *vp, struct label *label,
|
|
struct componentname *cnp)
|
|
{
|
|
int error;
|
|
|
|
error = mac_bsdextended_check_vp(cred, dvp, MBI_WRITE);
|
|
if (error)
|
|
return (error);
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_WRITE));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, acl_type_t type)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_ADMIN));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, int attrnamespace, const char *name)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_WRITE));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_exec(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, struct image_params *imgp,
|
|
struct label *execlabel)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_READ|MBI_EXEC));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, acl_type_t type)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_STAT));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, int attrnamespace, const char *name, struct uio *uio)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_READ));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_link(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel, struct vnode *vp, struct label *label,
|
|
struct componentname *cnp)
|
|
{
|
|
int error;
|
|
|
|
error = mac_bsdextended_check_vp(cred, dvp, MBI_WRITE);
|
|
if (error)
|
|
return (error);
|
|
|
|
error = mac_bsdextended_check_vp(cred, vp, MBI_WRITE);
|
|
if (error)
|
|
return (error);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, int attrnamespace)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_READ));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel, struct componentname *cnp)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, dvp, MBI_EXEC));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_open(struct ucred *cred, struct vnode *vp,
|
|
struct label *filelabel, int acc_mode)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, acc_mode));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_readdir(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, dvp, MBI_READ));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_readdlink(struct ucred *cred, struct vnode *vp,
|
|
struct label *label)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_READ));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel, struct vnode *vp, struct label *label,
|
|
struct componentname *cnp)
|
|
{
|
|
int error;
|
|
|
|
error = mac_bsdextended_check_vp(cred, dvp, MBI_WRITE);
|
|
if (error)
|
|
return (error);
|
|
error = mac_bsdextended_check_vp(cred, vp, MBI_WRITE);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel, struct vnode *vp, struct label *label, int samedir,
|
|
struct componentname *cnp)
|
|
{
|
|
int error;
|
|
|
|
error = mac_bsdextended_check_vp(cred, dvp, MBI_WRITE);
|
|
if (error)
|
|
return (error);
|
|
|
|
if (vp != NULL)
|
|
error = mac_bsdextended_check_vp(cred, vp, MBI_WRITE);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
|
|
struct label *label)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_ADMIN));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_setacl_vnode(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, acl_type_t type, struct acl *acl)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_ADMIN));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, int attrnamespace, const char *name, struct uio *uio)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_WRITE));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, u_long flags)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_ADMIN));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, mode_t mode)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_ADMIN));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, uid_t uid, gid_t gid)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_ADMIN));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, struct timespec atime, struct timespec utime)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(cred, vp, MBI_ADMIN));
|
|
}
|
|
|
|
static int
|
|
mac_bsdextended_check_vnode_stat(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp, struct label *label)
|
|
{
|
|
|
|
return (mac_bsdextended_check_vp(active_cred, vp, MBI_STAT));
|
|
}
|
|
|
|
static struct mac_policy_ops mac_bsdextended_ops =
|
|
{
|
|
.mpo_destroy = mac_bsdextended_destroy,
|
|
.mpo_init = mac_bsdextended_init,
|
|
.mpo_check_system_swapon = mac_bsdextended_check_system_swapon,
|
|
.mpo_check_vnode_access = mac_bsdextended_check_vnode_access,
|
|
.mpo_check_vnode_chdir = mac_bsdextended_check_vnode_chdir,
|
|
.mpo_check_vnode_chroot = mac_bsdextended_check_vnode_chroot,
|
|
.mpo_check_vnode_create = mac_bsdextended_check_create_vnode,
|
|
.mpo_check_vnode_delete = mac_bsdextended_check_vnode_delete,
|
|
.mpo_check_vnode_deleteacl = mac_bsdextended_check_vnode_deleteacl,
|
|
.mpo_check_vnode_deleteextattr = mac_bsdextended_check_vnode_deleteextattr,
|
|
.mpo_check_vnode_exec = mac_bsdextended_check_vnode_exec,
|
|
.mpo_check_vnode_getacl = mac_bsdextended_check_vnode_getacl,
|
|
.mpo_check_vnode_getextattr = mac_bsdextended_check_vnode_getextattr,
|
|
.mpo_check_vnode_link = mac_bsdextended_check_vnode_link,
|
|
.mpo_check_vnode_listextattr = mac_bsdextended_check_vnode_listextattr,
|
|
.mpo_check_vnode_lookup = mac_bsdextended_check_vnode_lookup,
|
|
.mpo_check_vnode_open = mac_bsdextended_check_vnode_open,
|
|
.mpo_check_vnode_readdir = mac_bsdextended_check_vnode_readdir,
|
|
.mpo_check_vnode_readlink = mac_bsdextended_check_vnode_readdlink,
|
|
.mpo_check_vnode_rename_from = mac_bsdextended_check_vnode_rename_from,
|
|
.mpo_check_vnode_rename_to = mac_bsdextended_check_vnode_rename_to,
|
|
.mpo_check_vnode_revoke = mac_bsdextended_check_vnode_revoke,
|
|
.mpo_check_vnode_setacl = mac_bsdextended_check_setacl_vnode,
|
|
.mpo_check_vnode_setextattr = mac_bsdextended_check_vnode_setextattr,
|
|
.mpo_check_vnode_setflags = mac_bsdextended_check_vnode_setflags,
|
|
.mpo_check_vnode_setmode = mac_bsdextended_check_vnode_setmode,
|
|
.mpo_check_vnode_setowner = mac_bsdextended_check_vnode_setowner,
|
|
.mpo_check_vnode_setutimes = mac_bsdextended_check_vnode_setutimes,
|
|
.mpo_check_vnode_stat = mac_bsdextended_check_vnode_stat,
|
|
};
|
|
|
|
MAC_POLICY_SET(&mac_bsdextended_ops, mac_bsdextended,
|
|
"TrustedBSD MAC/BSD Extended", MPC_LOADTIME_FLAG_UNLOADOK, NULL);
|