freebsd-dev/sys/security/mac_stub/mac_stub.c
Robert Watson f51e58036e Redesign the externalization APIs from the MAC Framework to
the MAC policy modules to improve robustness against C string
bugs and vulnerabilities.  Following these revisions, all
string construction of labels for export to userspace (or
elsewhere) is performed using the sbuf API, which prevents
the consumer from having to perform laborious and intricate
pointer and buffer checks.  This substantially simplifies
the externalization logic, both at the MAC Framework level,
and in individual policies; this becomes especially useful
when policies export more complex label data, such as with
compartments in Biba and MLS.

Bundled in here are some other minor fixes associated with
externalization: including avoiding malloc while holding the
process mutex in mac_lomac, and hence avoid a failure mode
when printing labels during a downgrade operation due to
the removal of the M_NOWAIT case.

This has been running in the MAC development tree for about
three weeks without problems.

Obtained from:	TrustedBSD Project
Sponsored by: DARPA, Network Associates Laboratories
2003-06-23 01:26:34 +00:00

1119 lines
26 KiB
C

/*-
* Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
* Copyright (c) 2001, 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed by Robert Watson 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.
*
* $FreeBSD$
*/
/*
* Developed by the TrustedBSD Project.
* Generic mandatory access module that does nothing.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/acl.h>
#include <sys/conf.h>
#include <sys/extattr.h>
#include <sys/kernel.h>
#include <sys/mac.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/sysproto.h>
#include <sys/sysent.h>
#include <sys/vnode.h>
#include <sys/file.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/pipe.h>
#include <sys/sysctl.h>
#include <fs/devfs/devfs.h>
#include <net/bpfdesc.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_var.h>
#include <netinet/in.h>
#include <netinet/ip_var.h>
#include <vm/vm.h>
#include <sys/mac_policy.h>
SYSCTL_DECL(_security_mac);
SYSCTL_NODE(_security_mac, OID_AUTO, none, CTLFLAG_RW, 0,
"TrustedBSD mac_none policy controls");
static int mac_none_enabled = 1;
SYSCTL_INT(_security_mac_none, OID_AUTO, enabled, CTLFLAG_RW,
&mac_none_enabled, 0, "Enforce none policy");
/*
* Policy module operations.
*/
static void
mac_none_destroy(struct mac_policy_conf *conf)
{
}
static void
mac_none_init(struct mac_policy_conf *conf)
{
}
static int
mac_none_syscall(struct thread *td, int call, void *arg)
{
return (0);
}
/*
* Label operations.
*/
static void
mac_none_init_label(struct label *label)
{
}
static int
mac_none_init_label_waitcheck(struct label *label, int flag)
{
return (0);
}
static void
mac_none_destroy_label(struct label *label)
{
}
static int
mac_none_externalize_label(struct label *label, char *element_name,
struct sbuf *sb, int *claimed)
{
return (0);
}
static int
mac_none_internalize_label(struct label *label, char *element_name,
char *element_data, int *claimed)
{
return (0);
}
/*
* Labeling event operations: file system objects, and things that look
* a lot like file system objects.
*/
static void
mac_none_associate_vnode_devfs(struct mount *mp, struct label *fslabel,
struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
struct label *vlabel)
{
}
static int
mac_none_associate_vnode_extattr(struct mount *mp, struct label *fslabel,
struct vnode *vp, struct label *vlabel)
{
return (0);
}
static void
mac_none_associate_vnode_singlelabel(struct mount *mp,
struct label *fslabel, struct vnode *vp, struct label *vlabel)
{
}
static void
mac_none_create_devfs_device(struct mount *mp, dev_t dev,
struct devfs_dirent *devfs_dirent, struct label *label)
{
}
static void
mac_none_create_devfs_directory(struct mount *mp, char *dirname,
int dirnamelen, struct devfs_dirent *devfs_dirent, struct label *label)
{
}
static void
mac_none_create_devfs_symlink(struct ucred *cred, struct mount *mp,
struct devfs_dirent *dd, struct label *ddlabel, struct devfs_dirent *de,
struct label *delabel)
{
}
static int
mac_none_create_vnode_extattr(struct ucred *cred, struct mount *mp,
struct label *fslabel, struct vnode *dvp, struct label *dlabel,
struct vnode *vp, struct label *vlabel, struct componentname *cnp)
{
return (0);
}
static void
mac_none_create_mount(struct ucred *cred, struct mount *mp,
struct label *mntlabel, struct label *fslabel)
{
}
static void
mac_none_create_root_mount(struct ucred *cred, struct mount *mp,
struct label *mntlabel, struct label *fslabel)
{
}
static void
mac_none_relabel_vnode(struct ucred *cred, struct vnode *vp,
struct label *vnodelabel, struct label *label)
{
}
static int
mac_none_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp,
struct label *vlabel, struct label *intlabel)
{
return (0);
}
static void
mac_none_update_devfsdirent(struct mount *mp,
struct devfs_dirent *devfs_dirent, struct label *direntlabel,
struct vnode *vp, struct label *vnodelabel)
{
}
/*
* Labeling event operations: IPC object.
*/
static void
mac_none_create_mbuf_from_socket(struct socket *so, struct label *socketlabel,
struct mbuf *m, struct label *mbuflabel)
{
}
static void
mac_none_create_socket(struct ucred *cred, struct socket *socket,
struct label *socketlabel)
{
}
static void
mac_none_create_pipe(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel)
{
}
static void
mac_none_create_socket_from_socket(struct socket *oldsocket,
struct label *oldsocketlabel, struct socket *newsocket,
struct label *newsocketlabel)
{
}
static void
mac_none_relabel_socket(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct label *newlabel)
{
}
static void
mac_none_relabel_pipe(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel, struct label *newlabel)
{
}
static void
mac_none_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel,
struct socket *socket, struct label *socketpeerlabel)
{
}
static void
mac_none_set_socket_peer_from_socket(struct socket *oldsocket,
struct label *oldsocketlabel, struct socket *newsocket,
struct label *newsocketpeerlabel)
{
}
/*
* Labeling event operations: network objects.
*/
static void
mac_none_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d,
struct label *bpflabel)
{
}
static void
mac_none_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel,
struct mbuf *datagram, struct label *datagramlabel)
{
}
static void
mac_none_create_fragment(struct mbuf *datagram, struct label *datagramlabel,
struct mbuf *fragment, struct label *fragmentlabel)
{
}
static void
mac_none_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel)
{
}
static void
mac_none_create_ipq(struct mbuf *fragment, struct label *fragmentlabel,
struct ipq *ipq, struct label *ipqlabel)
{
}
static void
mac_none_create_mbuf_from_mbuf(struct mbuf *oldmbuf,
struct label *oldmbuflabel, struct mbuf *newmbuf,
struct label *newmbuflabel)
{
}
static void
mac_none_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *mbuf, struct label *mbuflabel)
{
}
static void
mac_none_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel,
struct mbuf *mbuf, struct label *mbuflabel)
{
}
static void
mac_none_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *m, struct label *mbuflabel)
{
}
static void
mac_none_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *newmbuf, struct label *newmbuflabel)
{
}
static void
mac_none_create_mbuf_netlayer(struct mbuf *oldmbuf,
struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel)
{
}
static int
mac_none_fragment_match(struct mbuf *fragment, struct label *fragmentlabel,
struct ipq *ipq, struct label *ipqlabel)
{
return (1);
}
static void
mac_none_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet,
struct label *ifnetlabel, struct label *newlabel)
{
}
static void
mac_none_update_ipq(struct mbuf *fragment, struct label *fragmentlabel,
struct ipq *ipq, struct label *ipqlabel)
{
}
/*
* Labeling event operations: processes.
*/
static void
mac_none_create_cred(struct ucred *cred_parent, struct ucred *cred_child)
{
}
static void
mac_none_execve_transition(struct ucred *old, struct ucred *new,
struct vnode *vp, struct label *vnodelabel,
struct label *interpvnodelabel, struct image_params *imgp,
struct label *execlabel)
{
}
static int
mac_none_execve_will_transition(struct ucred *old, struct vnode *vp,
struct label *vnodelabel, struct label *interpvnodelabel,
struct image_params *imgp, struct label *execlabel)
{
return (0);
}
static void
mac_none_create_proc0(struct ucred *cred)
{
}
static void
mac_none_create_proc1(struct ucred *cred)
{
}
static void
mac_none_relabel_cred(struct ucred *cred, struct label *newlabel)
{
}
static void
mac_none_thread_userret(struct thread *td)
{
}
/*
* Access control checks.
*/
static int
mac_none_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel,
struct ifnet *ifnet, struct label *ifnet_label)
{
return (0);
}
static int
mac_none_check_cred_relabel(struct ucred *cred, struct label *newlabel)
{
return (0);
}
static int
mac_none_check_cred_visible(struct ucred *u1, struct ucred *u2)
{
return (0);
}
static int
mac_none_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet,
struct label *ifnetlabel, struct label *newlabel)
{
return (0);
}
static int
mac_none_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *m, struct label *mbuflabel)
{
return (0);
}
static int
mac_none_check_kenv_dump(struct ucred *cred)
{
return (0);
}
static int
mac_none_check_kenv_get(struct ucred *cred, char *name)
{
return (0);
}
static int
mac_none_check_kenv_set(struct ucred *cred, char *name, char *value)
{
return (0);
}
static int
mac_none_check_kenv_unset(struct ucred *cred, char *name)
{
return (0);
}
static int
mac_none_check_kld_load(struct ucred *cred, struct vnode *vp,
struct label *vlabel)
{
return (0);
}
static int
mac_none_check_kld_stat(struct ucred *cred)
{
return (0);
}
static int
mac_none_check_kld_unload(struct ucred *cred)
{
return (0);
}
static int
mac_none_check_mount_stat(struct ucred *cred, struct mount *mp,
struct label *mntlabel)
{
return (0);
}
static int
mac_none_check_pipe_ioctl(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data)
{
return (0);
}
static int
mac_none_check_pipe_poll(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel)
{
return (0);
}
static int
mac_none_check_pipe_read(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel)
{
return (0);
}
static int
mac_none_check_pipe_relabel(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel, struct label *newlabel)
{
return (0);
}
static int
mac_none_check_pipe_stat(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel)
{
return (0);
}
static int
mac_none_check_pipe_write(struct ucred *cred, struct pipe *pipe,
struct label *pipelabel)
{
return (0);
}
static int
mac_none_check_proc_debug(struct ucred *cred, struct proc *proc)
{
return (0);
}
static int
mac_none_check_proc_sched(struct ucred *cred, struct proc *proc)
{
return (0);
}
static int
mac_none_check_proc_signal(struct ucred *cred, struct proc *proc, int signum)
{
return (0);
}
static int
mac_none_check_socket_bind(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct sockaddr *sockaddr)
{
return (0);
}
static int
mac_none_check_socket_connect(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct sockaddr *sockaddr)
{
return (0);
}
static int
mac_none_check_socket_deliver(struct socket *so, struct label *socketlabel,
struct mbuf *m, struct label *mbuflabel)
{
return (0);
}
static int
mac_none_check_socket_listen(struct ucred *cred, struct socket *so,
struct label *socketlabel)
{
return (0);
}
static int
mac_none_check_socket_relabel(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct label *newlabel)
{
return (0);
}
static int
mac_none_check_socket_visible(struct ucred *cred, struct socket *socket,
struct label *socketlabel)
{
return (0);
}
static int
mac_none_check_sysarch_ioperm(struct ucred *cred)
{
return (0);
}
static int
mac_none_check_system_acct(struct ucred *cred, struct vnode *vp,
struct label *vlabel)
{
return (0);
}
static int
mac_none_check_system_reboot(struct ucred *cred, int how)
{
return (0);
}
static int
mac_none_check_system_settime(struct ucred *cred)
{
return (0);
}
static int
mac_none_check_system_swapon(struct ucred *cred, struct vnode *vp,
struct label *label)
{
return (0);
}
static int
mac_none_check_system_swapoff(struct ucred *cred, struct vnode *vp,
struct label *label)
{
return (0);
}
static int
mac_none_check_system_sysctl(struct ucred *cred, int *name, u_int namelen,
void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen)
{
return (0);
}
static int
mac_none_check_vnode_access(struct ucred *cred, struct vnode *vp,
struct label *label, int acc_mode)
{
return (0);
}
static int
mac_none_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
struct label *dlabel)
{
return (0);
}
static int
mac_none_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
struct label *dlabel)
{
return (0);
}
static int
mac_none_check_vnode_create(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct componentname *cnp, struct vattr *vap)
{
return (0);
}
static int
mac_none_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct vnode *vp, struct label *label,
struct componentname *cnp)
{
return (0);
}
static int
mac_none_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
struct label *label, acl_type_t type)
{
return (0);
}
static int
mac_none_check_vnode_exec(struct ucred *cred, struct vnode *vp,
struct label *label, struct image_params *imgp,
struct label *execlabel)
{
return (0);
}
static int
mac_none_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
struct label *label, acl_type_t type)
{
return (0);
}
static int
mac_none_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
struct label *label, int attrnamespace, const char *name, struct uio *uio)
{
return (0);
}
static int
mac_none_check_vnode_link(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct vnode *vp, struct label *label,
struct componentname *cnp)
{
return (0);
}
static int
mac_none_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct componentname *cnp)
{
return (0);
}
static int
mac_none_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
struct label *label, int prot)
{
return (0);
}
static int
mac_none_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
struct label *label, int prot)
{
return (0);
}
static int
mac_none_check_vnode_open(struct ucred *cred, struct vnode *vp,
struct label *filelabel, int acc_mode)
{
return (0);
}
static int
mac_none_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *label)
{
return (0);
}
static int
mac_none_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *label)
{
return (0);
}
static int
mac_none_check_vnode_readdir(struct ucred *cred, struct vnode *vp,
struct label *dlabel)
{
return (0);
}
static int
mac_none_check_vnode_readlink(struct ucred *cred, struct vnode *vp,
struct label *vnodelabel)
{
return (0);
}
static int
mac_none_check_vnode_relabel(struct ucred *cred, struct vnode *vp,
struct label *vnodelabel, struct label *newlabel)
{
return (0);
}
static int
mac_none_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct vnode *vp, struct label *label,
struct componentname *cnp)
{
return (0);
}
static int
mac_none_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct vnode *vp, struct label *label, int samedir,
struct componentname *cnp)
{
return (0);
}
static int
mac_none_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
struct label *label)
{
return (0);
}
static int
mac_none_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
struct label *label, acl_type_t type, struct acl *acl)
{
return (0);
}
static int
mac_none_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
struct label *label, int attrnamespace, const char *name, struct uio *uio)
{
return (0);
}
static int
mac_none_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
struct label *label, u_long flags)
{
return (0);
}
static int
mac_none_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
struct label *label, mode_t mode)
{
return (0);
}
static int
mac_none_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
struct label *label, uid_t uid, gid_t gid)
{
return (0);
}
static int
mac_none_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
struct label *label, struct timespec atime, struct timespec mtime)
{
return (0);
}
static int
mac_none_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *label)
{
return (0);
}
static int
mac_none_check_vnode_write(struct ucred *active_cred,
struct ucred *file_cred, struct vnode *vp, struct label *label)
{
return (0);
}
static struct mac_policy_ops mac_none_ops =
{
.mpo_destroy = mac_none_destroy,
.mpo_init = mac_none_init,
.mpo_syscall = mac_none_syscall,
.mpo_init_bpfdesc_label = mac_none_init_label,
.mpo_init_cred_label = mac_none_init_label,
.mpo_init_devfsdirent_label = mac_none_init_label,
.mpo_init_ifnet_label = mac_none_init_label,
.mpo_init_ipq_label = mac_none_init_label_waitcheck,
.mpo_init_mbuf_label = mac_none_init_label_waitcheck,
.mpo_init_mount_label = mac_none_init_label,
.mpo_init_mount_fs_label = mac_none_init_label,
.mpo_init_pipe_label = mac_none_init_label,
.mpo_init_socket_label = mac_none_init_label_waitcheck,
.mpo_init_socket_peer_label = mac_none_init_label_waitcheck,
.mpo_init_vnode_label = mac_none_init_label,
.mpo_destroy_bpfdesc_label = mac_none_destroy_label,
.mpo_destroy_cred_label = mac_none_destroy_label,
.mpo_destroy_devfsdirent_label = mac_none_destroy_label,
.mpo_destroy_ifnet_label = mac_none_destroy_label,
.mpo_destroy_ipq_label = mac_none_destroy_label,
.mpo_destroy_mbuf_label = mac_none_destroy_label,
.mpo_destroy_mount_label = mac_none_destroy_label,
.mpo_destroy_mount_fs_label = mac_none_destroy_label,
.mpo_destroy_pipe_label = mac_none_destroy_label,
.mpo_destroy_socket_label = mac_none_destroy_label,
.mpo_destroy_socket_peer_label = mac_none_destroy_label,
.mpo_destroy_vnode_label = mac_none_destroy_label,
.mpo_externalize_cred_label = mac_none_externalize_label,
.mpo_externalize_ifnet_label = mac_none_externalize_label,
.mpo_externalize_pipe_label = mac_none_externalize_label,
.mpo_externalize_socket_label = mac_none_externalize_label,
.mpo_externalize_socket_peer_label = mac_none_externalize_label,
.mpo_externalize_vnode_label = mac_none_externalize_label,
.mpo_internalize_cred_label = mac_none_internalize_label,
.mpo_internalize_ifnet_label = mac_none_internalize_label,
.mpo_internalize_pipe_label = mac_none_internalize_label,
.mpo_internalize_socket_label = mac_none_internalize_label,
.mpo_internalize_vnode_label = mac_none_internalize_label,
.mpo_associate_vnode_devfs = mac_none_associate_vnode_devfs,
.mpo_associate_vnode_extattr = mac_none_associate_vnode_extattr,
.mpo_associate_vnode_singlelabel = mac_none_associate_vnode_singlelabel,
.mpo_create_devfs_device = mac_none_create_devfs_device,
.mpo_create_devfs_directory = mac_none_create_devfs_directory,
.mpo_create_devfs_symlink = mac_none_create_devfs_symlink,
.mpo_create_vnode_extattr = mac_none_create_vnode_extattr,
.mpo_create_mount = mac_none_create_mount,
.mpo_create_root_mount = mac_none_create_root_mount,
.mpo_relabel_vnode = mac_none_relabel_vnode,
.mpo_setlabel_vnode_extattr = mac_none_setlabel_vnode_extattr,
.mpo_update_devfsdirent = mac_none_update_devfsdirent,
.mpo_create_mbuf_from_socket = mac_none_create_mbuf_from_socket,
.mpo_create_pipe = mac_none_create_pipe,
.mpo_create_socket = mac_none_create_socket,
.mpo_create_socket_from_socket = mac_none_create_socket_from_socket,
.mpo_relabel_pipe = mac_none_relabel_pipe,
.mpo_relabel_socket = mac_none_relabel_socket,
.mpo_set_socket_peer_from_mbuf = mac_none_set_socket_peer_from_mbuf,
.mpo_set_socket_peer_from_socket = mac_none_set_socket_peer_from_socket,
.mpo_create_bpfdesc = mac_none_create_bpfdesc,
.mpo_create_ifnet = mac_none_create_ifnet,
.mpo_create_ipq = mac_none_create_ipq,
.mpo_create_datagram_from_ipq = mac_none_create_datagram_from_ipq,
.mpo_create_fragment = mac_none_create_fragment,
.mpo_create_ipq = mac_none_create_ipq,
.mpo_create_mbuf_from_mbuf = mac_none_create_mbuf_from_mbuf,
.mpo_create_mbuf_linklayer = mac_none_create_mbuf_linklayer,
.mpo_create_mbuf_from_bpfdesc = mac_none_create_mbuf_from_bpfdesc,
.mpo_create_mbuf_from_ifnet = mac_none_create_mbuf_from_ifnet,
.mpo_create_mbuf_multicast_encap = mac_none_create_mbuf_multicast_encap,
.mpo_create_mbuf_netlayer = mac_none_create_mbuf_netlayer,
.mpo_fragment_match = mac_none_fragment_match,
.mpo_relabel_ifnet = mac_none_relabel_ifnet,
.mpo_update_ipq = mac_none_update_ipq,
.mpo_create_cred = mac_none_create_cred,
.mpo_execve_transition = mac_none_execve_transition,
.mpo_execve_will_transition = mac_none_execve_will_transition,
.mpo_create_proc0 = mac_none_create_proc0,
.mpo_create_proc1 = mac_none_create_proc1,
.mpo_relabel_cred = mac_none_relabel_cred,
.mpo_thread_userret = mac_none_thread_userret,
.mpo_check_bpfdesc_receive = mac_none_check_bpfdesc_receive,
.mpo_check_cred_relabel = mac_none_check_cred_relabel,
.mpo_check_cred_visible = mac_none_check_cred_visible,
.mpo_check_ifnet_relabel = mac_none_check_ifnet_relabel,
.mpo_check_ifnet_transmit = mac_none_check_ifnet_transmit,
.mpo_check_kenv_dump = mac_none_check_kenv_dump,
.mpo_check_kenv_get = mac_none_check_kenv_get,
.mpo_check_kenv_set = mac_none_check_kenv_set,
.mpo_check_kenv_unset = mac_none_check_kenv_unset,
.mpo_check_kld_load = mac_none_check_kld_load,
.mpo_check_kld_stat = mac_none_check_kld_stat,
.mpo_check_kld_unload = mac_none_check_kld_unload,
.mpo_check_mount_stat = mac_none_check_mount_stat,
.mpo_check_pipe_ioctl = mac_none_check_pipe_ioctl,
.mpo_check_pipe_poll = mac_none_check_pipe_poll,
.mpo_check_pipe_read = mac_none_check_pipe_read,
.mpo_check_pipe_relabel = mac_none_check_pipe_relabel,
.mpo_check_pipe_stat = mac_none_check_pipe_stat,
.mpo_check_pipe_write = mac_none_check_pipe_write,
.mpo_check_proc_debug = mac_none_check_proc_debug,
.mpo_check_proc_sched = mac_none_check_proc_sched,
.mpo_check_proc_signal = mac_none_check_proc_signal,
.mpo_check_socket_bind = mac_none_check_socket_bind,
.mpo_check_socket_connect = mac_none_check_socket_connect,
.mpo_check_socket_deliver = mac_none_check_socket_deliver,
.mpo_check_socket_listen = mac_none_check_socket_listen,
.mpo_check_socket_relabel = mac_none_check_socket_relabel,
.mpo_check_socket_visible = mac_none_check_socket_visible,
.mpo_check_sysarch_ioperm = mac_none_check_sysarch_ioperm,
.mpo_check_system_acct = mac_none_check_system_acct,
.mpo_check_system_reboot = mac_none_check_system_reboot,
.mpo_check_system_settime = mac_none_check_system_settime,
.mpo_check_system_swapon = mac_none_check_system_swapon,
.mpo_check_system_swapoff = mac_none_check_system_swapoff,
.mpo_check_system_sysctl = mac_none_check_system_sysctl,
.mpo_check_vnode_access = mac_none_check_vnode_access,
.mpo_check_vnode_chdir = mac_none_check_vnode_chdir,
.mpo_check_vnode_chroot = mac_none_check_vnode_chroot,
.mpo_check_vnode_create = mac_none_check_vnode_create,
.mpo_check_vnode_delete = mac_none_check_vnode_delete,
.mpo_check_vnode_deleteacl = mac_none_check_vnode_deleteacl,
.mpo_check_vnode_exec = mac_none_check_vnode_exec,
.mpo_check_vnode_getacl = mac_none_check_vnode_getacl,
.mpo_check_vnode_getextattr = mac_none_check_vnode_getextattr,
.mpo_check_vnode_link = mac_none_check_vnode_link,
.mpo_check_vnode_lookup = mac_none_check_vnode_lookup,
.mpo_check_vnode_mmap = mac_none_check_vnode_mmap,
.mpo_check_vnode_mprotect = mac_none_check_vnode_mprotect,
.mpo_check_vnode_open = mac_none_check_vnode_open,
.mpo_check_vnode_poll = mac_none_check_vnode_poll,
.mpo_check_vnode_read = mac_none_check_vnode_read,
.mpo_check_vnode_readdir = mac_none_check_vnode_readdir,
.mpo_check_vnode_readlink = mac_none_check_vnode_readlink,
.mpo_check_vnode_relabel = mac_none_check_vnode_relabel,
.mpo_check_vnode_rename_from = mac_none_check_vnode_rename_from,
.mpo_check_vnode_rename_to = mac_none_check_vnode_rename_to,
.mpo_check_vnode_revoke = mac_none_check_vnode_revoke,
.mpo_check_vnode_setacl = mac_none_check_vnode_setacl,
.mpo_check_vnode_setextattr = mac_none_check_vnode_setextattr,
.mpo_check_vnode_setflags = mac_none_check_vnode_setflags,
.mpo_check_vnode_setmode = mac_none_check_vnode_setmode,
.mpo_check_vnode_setowner = mac_none_check_vnode_setowner,
.mpo_check_vnode_setutimes = mac_none_check_vnode_setutimes,
.mpo_check_vnode_stat = mac_none_check_vnode_stat,
.mpo_check_vnode_write = mac_none_check_vnode_write,
};
MAC_POLICY_SET(&mac_none_ops, mac_none, "TrustedBSD MAC/None",
MPC_LOADTIME_FLAG_UNLOADOK, NULL);