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freebsd-dev/sys/security/mac_stub/mac_stub.c
Robert Watson 2220907b6e Introduce a temporary mutex, mac_ifnet_mtx, to lock MAC labels on 
network interfaces.  This global mutex will protect all ifnet labels.
Acquire the mutex across various MAC activities on interfaces, such
as security checks, propagating interface labels to mbufs generated
from the interface, retrieving and setting the interface label.

Introduce mpo_copy_ifnet_label MAC policy entry point to copy the
value of an interface label from one label to another.  Use this
to avoid performing a label externalize while holding mac_ifnet_mtx;
copy the label to a temporary ifnet label and then externalize that.

Implement mpo_copy_ifnet_label for various MAC policies that
implement interface labeling using generic label copying routines.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, McAfee Research
2004-06-24 03:34:46 +00:00

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/*-
* Copyright (c) 1999-2002 Robert N. M. Watson
* Copyright (c) 2001-2003 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.
*
* Stub module that implements a NOOP for most (if not all) MAC Framework
* policy entry points.
*/
#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/in_pcb.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, stub, CTLFLAG_RW, 0,
"TrustedBSD mac_stub policy controls");
static int stub_enabled = 1;
SYSCTL_INT(_security_mac_stub, OID_AUTO, enabled, CTLFLAG_RW,
&stub_enabled, 0, "Enforce mac_stub policy");
/*
* Policy module operations.
*/
static void
stub_destroy(struct mac_policy_conf *conf)
{
}
static void
stub_init(struct mac_policy_conf *conf)
{
}
static int
stub_syscall(struct thread *td, int call, void *arg)
{
return (0);
}
/*
* Label operations.
*/
static void
stub_init_label(struct label *label)
{
}
static int
stub_init_label_waitcheck(struct label *label, int flag)
{
return (0);
}
static void
stub_destroy_label(struct label *label)
{
}
static void
stub_copy_label(struct label *src, struct label *dest)
{
}
static int
stub_externalize_label(struct label *label, char *element_name,
struct sbuf *sb, int *claimed)
{
return (0);
}
static int
stub_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
stub_associate_vnode_devfs(struct mount *mp, struct label *fslabel,
struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
struct label *vlabel)
{
}
static int
stub_associate_vnode_extattr(struct mount *mp, struct label *fslabel,
struct vnode *vp, struct label *vlabel)
{
return (0);
}
static void
stub_associate_vnode_singlelabel(struct mount *mp,
struct label *fslabel, struct vnode *vp, struct label *vlabel)
{
}
static void
stub_create_devfs_device(struct mount *mp, struct cdev *dev,
struct devfs_dirent *devfs_dirent, struct label *label)
{
}
static void
stub_create_devfs_directory(struct mount *mp, char *dirname,
int dirnamelen, struct devfs_dirent *devfs_dirent, struct label *label)
{
}
static void
stub_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
stub_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
stub_create_mount(struct ucred *cred, struct mount *mp,
struct label *mntlabel, struct label *fslabel)
{
}
static void
stub_create_root_mount(struct ucred *cred, struct mount *mp,
struct label *mntlabel, struct label *fslabel)
{
}
static void
stub_relabel_vnode(struct ucred *cred, struct vnode *vp,
struct label *vnodelabel, struct label *label)
{
}
static int
stub_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp,
struct label *vlabel, struct label *intlabel)
{
return (0);
}
static void
stub_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
stub_create_mbuf_from_socket(struct socket *so, struct label *socketlabel,
struct mbuf *m, struct label *mbuflabel)
{
}
static void
stub_create_socket(struct ucred *cred, struct socket *socket,
struct label *socketlabel)
{
}
static void
stub_create_pipe(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel)
{
}
static void
stub_create_socket_from_socket(struct socket *oldsocket,
struct label *oldsocketlabel, struct socket *newsocket,
struct label *newsocketlabel)
{
}
static void
stub_relabel_socket(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct label *newlabel)
{
}
static void
stub_relabel_pipe(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel, struct label *newlabel)
{
}
static void
stub_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel,
struct socket *socket, struct label *socketpeerlabel)
{
}
static void
stub_set_socket_peer_from_socket(struct socket *oldsocket,
struct label *oldsocketlabel, struct socket *newsocket,
struct label *newsocketpeerlabel)
{
}
/*
* Labeling event operations: network objects.
*/
static void
stub_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d,
struct label *bpflabel)
{
}
static void
stub_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel,
struct mbuf *datagram, struct label *datagramlabel)
{
}
static void
stub_create_fragment(struct mbuf *datagram, struct label *datagramlabel,
struct mbuf *fragment, struct label *fragmentlabel)
{
}
static void
stub_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel)
{
}
static void
stub_create_inpcb_from_socket(struct socket *so, struct label *solabel,
struct inpcb *inp, struct label *inplabel)
{
}
static void
stub_create_ipq(struct mbuf *fragment, struct label *fragmentlabel,
struct ipq *ipq, struct label *ipqlabel)
{
}
static void
stub_create_mbuf_from_inpcb(struct inpcb *inp, struct label *inplabel,
struct mbuf *m, struct label *mlabel)
{
}
static void
stub_create_mbuf_from_mbuf(struct mbuf *oldmbuf,
struct label *oldmbuflabel, struct mbuf *newmbuf,
struct label *newmbuflabel)
{
}
static void
stub_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *mbuf, struct label *mbuflabel)
{
}
static void
stub_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel,
struct mbuf *mbuf, struct label *mbuflabel)
{
}
static void
stub_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *m, struct label *mbuflabel)
{
}
static void
stub_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *newmbuf, struct label *newmbuflabel)
{
}
static void
stub_create_mbuf_netlayer(struct mbuf *oldmbuf,
struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel)
{
}
static int
stub_fragment_match(struct mbuf *fragment, struct label *fragmentlabel,
struct ipq *ipq, struct label *ipqlabel)
{
return (1);
}
static void
stub_reflect_mbuf_icmp(struct mbuf *m, struct label *mlabel)
{
}
static void
stub_reflect_mbuf_tcp(struct mbuf *m, struct label *mlabel)
{
}
static void
stub_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet,
struct label *ifnetlabel, struct label *newlabel)
{
}
static void
stub_update_ipq(struct mbuf *fragment, struct label *fragmentlabel,
struct ipq *ipq, struct label *ipqlabel)
{
}
static void
stub_inpcb_sosetlabel(struct socket *so, struct label *solabel,
struct inpcb *inp, struct label *inplabel)
{
}
/*
* Labeling event operations: processes.
*/
static void
stub_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
stub_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
stub_create_proc0(struct ucred *cred)
{
}
static void
stub_create_proc1(struct ucred *cred)
{
}
static void
stub_relabel_cred(struct ucred *cred, struct label *newlabel)
{
}
static void
stub_thread_userret(struct thread *td)
{
}
/*
* Access control checks.
*/
static int
stub_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel,
struct ifnet *ifnet, struct label *ifnet_label)
{
return (0);
}
static int
stub_check_cred_relabel(struct ucred *cred, struct label *newlabel)
{
return (0);
}
static int
stub_check_cred_visible(struct ucred *u1, struct ucred *u2)
{
return (0);
}
static int
stub_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet,
struct label *ifnetlabel, struct label *newlabel)
{
return (0);
}
static int
stub_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel,
struct mbuf *m, struct label *mbuflabel)
{
return (0);
}
static int
stub_check_inpcb_deliver(struct inpcb *inp, struct label *inplabel,
struct mbuf *m, struct label *mlabel)
{
return (0);
}
static int
stub_check_kenv_dump(struct ucred *cred)
{
return (0);
}
static int
stub_check_kenv_get(struct ucred *cred, char *name)
{
return (0);
}
static int
stub_check_kenv_set(struct ucred *cred, char *name, char *value)
{
return (0);
}
static int
stub_check_kenv_unset(struct ucred *cred, char *name)
{
return (0);
}
static int
stub_check_kld_load(struct ucred *cred, struct vnode *vp,
struct label *vlabel)
{
return (0);
}
static int
stub_check_kld_stat(struct ucred *cred)
{
return (0);
}
static int
stub_check_kld_unload(struct ucred *cred)
{
return (0);
}
static int
stub_check_mount_stat(struct ucred *cred, struct mount *mp,
struct label *mntlabel)
{
return (0);
}
static int
stub_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data)
{
return (0);
}
static int
stub_check_pipe_poll(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel)
{
return (0);
}
static int
stub_check_pipe_read(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel)
{
return (0);
}
static int
stub_check_pipe_relabel(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel, struct label *newlabel)
{
return (0);
}
static int
stub_check_pipe_stat(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel)
{
return (0);
}
static int
stub_check_pipe_write(struct ucred *cred, struct pipepair *pp,
struct label *pipelabel)
{
return (0);
}
static int
stub_check_proc_debug(struct ucred *cred, struct proc *proc)
{
return (0);
}
static int
stub_check_proc_sched(struct ucred *cred, struct proc *proc)
{
return (0);
}
static int
stub_check_proc_signal(struct ucred *cred, struct proc *proc, int signum)
{
return (0);
}
static int
stub_check_socket_bind(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct sockaddr *sockaddr)
{
return (0);
}
static int
stub_check_socket_connect(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct sockaddr *sockaddr)
{
return (0);
}
static int
stub_check_socket_deliver(struct socket *so, struct label *socketlabel,
struct mbuf *m, struct label *mbuflabel)
{
return (0);
}
static int
stub_check_socket_listen(struct ucred *cred, struct socket *so,
struct label *socketlabel)
{
return (0);
}
static int
stub_check_socket_relabel(struct ucred *cred, struct socket *socket,
struct label *socketlabel, struct label *newlabel)
{
return (0);
}
static int
stub_check_socket_visible(struct ucred *cred, struct socket *socket,
struct label *socketlabel)
{
return (0);
}
static int
stub_check_sysarch_ioperm(struct ucred *cred)
{
return (0);
}
static int
stub_check_system_acct(struct ucred *cred, struct vnode *vp,
struct label *vlabel)
{
return (0);
}
static int
stub_check_system_reboot(struct ucred *cred, int how)
{
return (0);
}
static int
stub_check_system_settime(struct ucred *cred)
{
return (0);
}
static int
stub_check_system_swapon(struct ucred *cred, struct vnode *vp,
struct label *label)
{
return (0);
}
static int
stub_check_system_swapoff(struct ucred *cred, struct vnode *vp,
struct label *label)
{
return (0);
}
static int
stub_check_system_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
void *arg1, int arg2, struct sysctl_req *req)
{
return (0);
}
static int
stub_check_vnode_access(struct ucred *cred, struct vnode *vp,
struct label *label, int acc_mode)
{
return (0);
}
static int
stub_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
struct label *dlabel)
{
return (0);
}
static int
stub_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
struct label *dlabel)
{
return (0);
}
static int
stub_check_vnode_create(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct componentname *cnp, struct vattr *vap)
{
return (0);
}
static int
stub_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
stub_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
struct label *label, acl_type_t type)
{
return (0);
}
static int
stub_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp,
struct label *label, int attrnamespace, const char *name)
{
return (0);
}
static int
stub_check_vnode_exec(struct ucred *cred, struct vnode *vp,
struct label *label, struct image_params *imgp,
struct label *execlabel)
{
return (0);
}
static int
stub_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
struct label *label, acl_type_t type)
{
return (0);
}
static int
stub_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
struct label *label, int attrnamespace, const char *name, struct uio *uio)
{
return (0);
}
static int
stub_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
stub_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
struct label *label, int attrnamespace)
{
return (0);
}
static int
stub_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
struct label *dlabel, struct componentname *cnp)
{
return (0);
}
static int
stub_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
struct label *label, int prot)
{
return (0);
}
static int
stub_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
struct label *label, int prot)
{
return (0);
}
static int
stub_check_vnode_open(struct ucred *cred, struct vnode *vp,
struct label *filelabel, int acc_mode)
{
return (0);
}
static int
stub_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *label)
{
return (0);
}
static int
stub_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *label)
{
return (0);
}
static int
stub_check_vnode_readdir(struct ucred *cred, struct vnode *vp,
struct label *dlabel)
{
return (0);
}
static int
stub_check_vnode_readlink(struct ucred *cred, struct vnode *vp,
struct label *vnodelabel)
{
return (0);
}
static int
stub_check_vnode_relabel(struct ucred *cred, struct vnode *vp,
struct label *vnodelabel, struct label *newlabel)
{
return (0);
}
static int
stub_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
stub_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
stub_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
struct label *label)
{
return (0);
}
static int
stub_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
struct label *label, acl_type_t type, struct acl *acl)
{
return (0);
}
static int
stub_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
struct label *label, int attrnamespace, const char *name, struct uio *uio)
{
return (0);
}
static int
stub_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
struct label *label, u_long flags)
{
return (0);
}
static int
stub_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
struct label *label, mode_t mode)
{
return (0);
}
static int
stub_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
struct label *label, uid_t uid, gid_t gid)
{
return (0);
}
static int
stub_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
struct label *label, struct timespec atime, struct timespec mtime)
{
return (0);
}
static int
stub_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *label)
{
return (0);
}
static int
stub_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_stub_ops =
{
.mpo_destroy = stub_destroy,
.mpo_init = stub_init,
.mpo_syscall = stub_syscall,
.mpo_init_bpfdesc_label = stub_init_label,
.mpo_init_cred_label = stub_init_label,
.mpo_init_devfsdirent_label = stub_init_label,
.mpo_init_ifnet_label = stub_init_label,
.mpo_init_inpcb_label = stub_init_label_waitcheck,
.mpo_init_ipq_label = stub_init_label_waitcheck,
.mpo_init_mbuf_label = stub_init_label_waitcheck,
.mpo_init_mount_label = stub_init_label,
.mpo_init_mount_fs_label = stub_init_label,
.mpo_init_pipe_label = stub_init_label,
.mpo_init_socket_label = stub_init_label_waitcheck,
.mpo_init_socket_peer_label = stub_init_label_waitcheck,
.mpo_init_vnode_label = stub_init_label,
.mpo_destroy_bpfdesc_label = stub_destroy_label,
.mpo_destroy_cred_label = stub_destroy_label,
.mpo_destroy_devfsdirent_label = stub_destroy_label,
.mpo_destroy_ifnet_label = stub_destroy_label,
.mpo_destroy_inpcb_label = stub_destroy_label,
.mpo_destroy_ipq_label = stub_destroy_label,
.mpo_destroy_mbuf_label = stub_destroy_label,
.mpo_destroy_mount_label = stub_destroy_label,
.mpo_destroy_mount_fs_label = stub_destroy_label,
.mpo_destroy_pipe_label = stub_destroy_label,
.mpo_destroy_socket_label = stub_destroy_label,
.mpo_destroy_socket_peer_label = stub_destroy_label,
.mpo_destroy_vnode_label = stub_destroy_label,
.mpo_copy_cred_label = stub_copy_label,
.mpo_copy_ifnet_label = stub_copy_label,
.mpo_copy_mbuf_label = stub_copy_label,
.mpo_copy_pipe_label = stub_copy_label,
.mpo_copy_socket_label = stub_copy_label,
.mpo_copy_vnode_label = stub_copy_label,
.mpo_externalize_cred_label = stub_externalize_label,
.mpo_externalize_ifnet_label = stub_externalize_label,
.mpo_externalize_pipe_label = stub_externalize_label,
.mpo_externalize_socket_label = stub_externalize_label,
.mpo_externalize_socket_peer_label = stub_externalize_label,
.mpo_externalize_vnode_label = stub_externalize_label,
.mpo_internalize_cred_label = stub_internalize_label,
.mpo_internalize_ifnet_label = stub_internalize_label,
.mpo_internalize_pipe_label = stub_internalize_label,
.mpo_internalize_socket_label = stub_internalize_label,
.mpo_internalize_vnode_label = stub_internalize_label,
.mpo_associate_vnode_devfs = stub_associate_vnode_devfs,
.mpo_associate_vnode_extattr = stub_associate_vnode_extattr,
.mpo_associate_vnode_singlelabel = stub_associate_vnode_singlelabel,
.mpo_create_devfs_device = stub_create_devfs_device,
.mpo_create_devfs_directory = stub_create_devfs_directory,
.mpo_create_devfs_symlink = stub_create_devfs_symlink,
.mpo_create_vnode_extattr = stub_create_vnode_extattr,
.mpo_create_mount = stub_create_mount,
.mpo_create_root_mount = stub_create_root_mount,
.mpo_relabel_vnode = stub_relabel_vnode,
.mpo_setlabel_vnode_extattr = stub_setlabel_vnode_extattr,
.mpo_update_devfsdirent = stub_update_devfsdirent,
.mpo_create_mbuf_from_socket = stub_create_mbuf_from_socket,
.mpo_create_pipe = stub_create_pipe,
.mpo_create_socket = stub_create_socket,
.mpo_create_socket_from_socket = stub_create_socket_from_socket,
.mpo_relabel_pipe = stub_relabel_pipe,
.mpo_relabel_socket = stub_relabel_socket,
.mpo_set_socket_peer_from_mbuf = stub_set_socket_peer_from_mbuf,
.mpo_set_socket_peer_from_socket = stub_set_socket_peer_from_socket,
.mpo_create_bpfdesc = stub_create_bpfdesc,
.mpo_create_ifnet = stub_create_ifnet,
.mpo_create_inpcb_from_socket = stub_create_inpcb_from_socket,
.mpo_create_ipq = stub_create_ipq,
.mpo_create_datagram_from_ipq = stub_create_datagram_from_ipq,
.mpo_create_fragment = stub_create_fragment,
.mpo_create_ipq = stub_create_ipq,
.mpo_create_mbuf_from_inpcb = stub_create_mbuf_from_inpcb,
.mpo_create_mbuf_from_mbuf = stub_create_mbuf_from_mbuf,
.mpo_create_mbuf_linklayer = stub_create_mbuf_linklayer,
.mpo_create_mbuf_from_bpfdesc = stub_create_mbuf_from_bpfdesc,
.mpo_create_mbuf_from_ifnet = stub_create_mbuf_from_ifnet,
.mpo_create_mbuf_multicast_encap = stub_create_mbuf_multicast_encap,
.mpo_create_mbuf_netlayer = stub_create_mbuf_netlayer,
.mpo_fragment_match = stub_fragment_match,
.mpo_reflect_mbuf_icmp = stub_reflect_mbuf_icmp,
.mpo_reflect_mbuf_tcp = stub_reflect_mbuf_tcp,
.mpo_relabel_ifnet = stub_relabel_ifnet,
.mpo_update_ipq = stub_update_ipq,
.mpo_inpcb_sosetlabel = stub_inpcb_sosetlabel,
.mpo_execve_transition = stub_execve_transition,
.mpo_execve_will_transition = stub_execve_will_transition,
.mpo_create_proc0 = stub_create_proc0,
.mpo_create_proc1 = stub_create_proc1,
.mpo_relabel_cred = stub_relabel_cred,
.mpo_thread_userret = stub_thread_userret,
.mpo_check_bpfdesc_receive = stub_check_bpfdesc_receive,
.mpo_check_cred_relabel = stub_check_cred_relabel,
.mpo_check_cred_visible = stub_check_cred_visible,
.mpo_check_ifnet_relabel = stub_check_ifnet_relabel,
.mpo_check_ifnet_transmit = stub_check_ifnet_transmit,
.mpo_check_inpcb_deliver = stub_check_inpcb_deliver,
.mpo_check_kenv_dump = stub_check_kenv_dump,
.mpo_check_kenv_get = stub_check_kenv_get,
.mpo_check_kenv_set = stub_check_kenv_set,
.mpo_check_kenv_unset = stub_check_kenv_unset,
.mpo_check_kld_load = stub_check_kld_load,
.mpo_check_kld_stat = stub_check_kld_stat,
.mpo_check_kld_unload = stub_check_kld_unload,
.mpo_check_mount_stat = stub_check_mount_stat,
.mpo_check_pipe_ioctl = stub_check_pipe_ioctl,
.mpo_check_pipe_poll = stub_check_pipe_poll,
.mpo_check_pipe_read = stub_check_pipe_read,
.mpo_check_pipe_relabel = stub_check_pipe_relabel,
.mpo_check_pipe_stat = stub_check_pipe_stat,
.mpo_check_pipe_write = stub_check_pipe_write,
.mpo_check_proc_debug = stub_check_proc_debug,
.mpo_check_proc_sched = stub_check_proc_sched,
.mpo_check_proc_signal = stub_check_proc_signal,
.mpo_check_socket_bind = stub_check_socket_bind,
.mpo_check_socket_connect = stub_check_socket_connect,
.mpo_check_socket_deliver = stub_check_socket_deliver,
.mpo_check_socket_listen = stub_check_socket_listen,
.mpo_check_socket_relabel = stub_check_socket_relabel,
.mpo_check_socket_visible = stub_check_socket_visible,
.mpo_check_sysarch_ioperm = stub_check_sysarch_ioperm,
.mpo_check_system_acct = stub_check_system_acct,
.mpo_check_system_reboot = stub_check_system_reboot,
.mpo_check_system_settime = stub_check_system_settime,
.mpo_check_system_swapon = stub_check_system_swapon,
.mpo_check_system_swapoff = stub_check_system_swapoff,
.mpo_check_system_sysctl = stub_check_system_sysctl,
.mpo_check_vnode_access = stub_check_vnode_access,
.mpo_check_vnode_chdir = stub_check_vnode_chdir,
.mpo_check_vnode_chroot = stub_check_vnode_chroot,
.mpo_check_vnode_create = stub_check_vnode_create,
.mpo_check_vnode_delete = stub_check_vnode_delete,
.mpo_check_vnode_deleteacl = stub_check_vnode_deleteacl,
.mpo_check_vnode_deleteextattr = stub_check_vnode_deleteextattr,
.mpo_check_vnode_exec = stub_check_vnode_exec,
.mpo_check_vnode_getacl = stub_check_vnode_getacl,
.mpo_check_vnode_getextattr = stub_check_vnode_getextattr,
.mpo_check_vnode_link = stub_check_vnode_link,
.mpo_check_vnode_listextattr = stub_check_vnode_listextattr,
.mpo_check_vnode_lookup = stub_check_vnode_lookup,
.mpo_check_vnode_mmap = stub_check_vnode_mmap,
.mpo_check_vnode_mprotect = stub_check_vnode_mprotect,
.mpo_check_vnode_open = stub_check_vnode_open,
.mpo_check_vnode_poll = stub_check_vnode_poll,
.mpo_check_vnode_read = stub_check_vnode_read,
.mpo_check_vnode_readdir = stub_check_vnode_readdir,
.mpo_check_vnode_readlink = stub_check_vnode_readlink,
.mpo_check_vnode_relabel = stub_check_vnode_relabel,
.mpo_check_vnode_rename_from = stub_check_vnode_rename_from,
.mpo_check_vnode_rename_to = stub_check_vnode_rename_to,
.mpo_check_vnode_revoke = stub_check_vnode_revoke,
.mpo_check_vnode_setacl = stub_check_vnode_setacl,
.mpo_check_vnode_setextattr = stub_check_vnode_setextattr,
.mpo_check_vnode_setflags = stub_check_vnode_setflags,
.mpo_check_vnode_setmode = stub_check_vnode_setmode,
.mpo_check_vnode_setowner = stub_check_vnode_setowner,
.mpo_check_vnode_setutimes = stub_check_vnode_setutimes,
.mpo_check_vnode_stat = stub_check_vnode_stat,
.mpo_check_vnode_write = stub_check_vnode_write,
};
MAC_POLICY_SET(&mac_stub_ops, mac_stub, "TrustedBSD MAC/Stub",
MPC_LOADTIME_FLAG_UNLOADOK, NULL);
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