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opnsense-src/sys/security/mac_stub/mac_stub.c
Olivier Certner c1d7552ddd
New setcred() system call and associated MAC hooks 
This new system call allows to set all necessary credentials of
a process in one go: Effective, real and saved UIDs, effective, real and
saved GIDs, supplementary groups and the MAC label.  Its advantage over
standard credential-setting system calls (such as setuid(), seteuid(),
etc.) is that it enables MAC modules, such as MAC/do, to restrict the
set of credentials some process may gain in a fine-grained manner.

Traditionally, credential changes rely on setuid binaries that call
multiple credential system calls and in a specific order (setuid() must
be last, so as to remain root for all other credential-setting calls,
which would otherwise fail with insufficient privileges).  This
piecewise approach causes the process to transiently hold credentials
that are neither the original nor the final ones.  For the kernel to
enforce that only certain transitions of credentials are allowed, either
these possibly non-compliant transient states have to disappear (by
setting all relevant attributes in one go), or the kernel must delay
setting or checking the new credentials.  Delaying setting credentials
could be done, e.g., by having some mode where the standard system calls
contribute to building new credentials but without committing them.  It
could be started and ended by a special system call.  Delaying checking
could mean that, e.g., the kernel only verifies the credentials
transition at the next non-credential-setting system call (we just
mention this possibility for completeness, but are certainly not
endorsing it).

We chose the simpler approach of a new system call, as we don't expect
the set of credentials one can set to change often.  It has the
advantages that the traditional system calls' code doesn't have to be
changed and that we can establish a special MAC protocol for it, by
having some cleanup function called just before returning (this is
a requirement for MAC/do), without disturbing the existing ones.

The mac_cred_check_setcred() hook is passed the flags received by
setcred() (including the version) and both the old and new kernel's
'struct ucred' instead of 'struct setcred' as this should simplify
evolving existing hooks as the 'struct setcred' structure evolves.  The
mac_cred_setcred_enter() and mac_cred_setcred_exit() hooks are always
called by pairs around potential calls to mac_cred_check_setcred().
They allow MAC modules to allocate/free data they may need in their
mac_cred_check_setcred() hook, as the latter is called under the current
process' lock, rendering sleepable allocations impossible.  MAC/do is
going to leverage these in a subsequent commit.  A scheme where
mac_cred_check_setcred() could return ERESTART was considered but is
incompatible with proper composition of MAC modules.

While here, add missing includes and declarations for standalone
inclusion of <sys/ucred.h> both from kernel and userspace (for the
latter, it has been working thanks to <bsm/audit.h> already including
<sys/types.h>).

Reviewed by:    brooks
Approved by:    markj (mentor)
Relnotes:       yes
Sponsored by:   The FreeBSD Foundation
Differential Revision:  https://reviews.freebsd.org/D47618

(cherry picked from commit ddb3eb4efe55e57c206f3534263c77b837aff1dc)
2025-04-03 21:31:03 +02:00

1978 lines
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/*-
* Copyright (c) 1999-2002, 2007-2011 Robert N. M. Watson
* Copyright (c) 2001-2005 McAfee, Inc.
* Copyright (c) 2005-2006 SPARTA, Inc.
* Copyright (c) 2008 Apple 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 McAfee
* Research, the Security Research Division of McAfee, Inc. under
* DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
* CHATS research program.
*
* This software was enhanced by SPARTA ISSO under SPAWAR contract
* N66001-04-C-6019 ("SEFOS").
*
* This software was developed at the University of Cambridge Computer
* Laboratory with support from a grant from Google, Inc.
*
* 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.
*/
/*
* 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/kdb.h>
#include <sys/kernel.h>
#include <sys/ksem.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/sx.h>
#include <sys/sysctl.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <ddb/ddb.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 <security/mac/mac_policy.h>
static SYSCTL_NODE(_security_mac, OID_AUTO, stub,
CTLFLAG_RW | CTLFLAG_MPSAFE, 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);
}
/*
* Object-specific entry point imeplementations are sorted alphabetically by
* object type name and then by operation.
*/
static int
stub_bpfdesc_check_receive(struct bpf_d *d, struct label *dlabel,
struct ifnet *ifp, struct label *ifplabel)
{
return (0);
}
static void
stub_bpfdesc_create(struct ucred *cred, struct bpf_d *d,
struct label *dlabel)
{
}
static void
stub_bpfdesc_create_mbuf(struct bpf_d *d, struct label *dlabel,
struct mbuf *m, struct label *mlabel)
{
}
static void
stub_cred_associate_nfsd(struct ucred *cred)
{
}
static int
stub_cred_check_relabel(struct ucred *cred, struct label *newlabel)
{
return (0);
}
static int
stub_cred_check_setaudit(struct ucred *cred, struct auditinfo *ai)
{
return (0);
}
static int
stub_cred_check_setaudit_addr(struct ucred *cred, struct auditinfo_addr *aia)
{
return (0);
}
static int
stub_cred_check_setauid(struct ucred *cred, uid_t auid)
{
return (0);
}
static void
stub_cred_setcred_enter(void)
{
}
static int
stub_cred_check_setcred(u_int flags, const struct ucred *old_cred,
struct ucred *new_cred)
{
return (0);
}
static void
stub_cred_setcred_exit(void)
{
}
static int
stub_cred_check_setegid(struct ucred *cred, gid_t egid)
{
return (0);
}
static int
stub_cred_check_seteuid(struct ucred *cred, uid_t euid)
{
return (0);
}
static int
stub_cred_check_setgid(struct ucred *cred, gid_t gid)
{
return (0);
}
static int
stub_cred_check_setgroups(struct ucred *cred, int ngroups,
gid_t *gidset)
{
return (0);
}
static int
stub_cred_check_setregid(struct ucred *cred, gid_t rgid, gid_t egid)
{
return (0);
}
static int
stub_cred_check_setresgid(struct ucred *cred, gid_t rgid, gid_t egid,
gid_t sgid)
{
return (0);
}
static int
stub_cred_check_setresuid(struct ucred *cred, uid_t ruid, uid_t euid,
uid_t suid)
{
return (0);
}
static int
stub_cred_check_setreuid(struct ucred *cred, uid_t ruid, uid_t euid)
{
return (0);
}
static int
stub_cred_check_setuid(struct ucred *cred, uid_t uid)
{
return (0);
}
static int
stub_cred_check_visible(struct ucred *cr1, struct ucred *cr2)
{
return (0);
}
static void
stub_cred_create_init(struct ucred *cred)
{
}
static void
stub_cred_create_swapper(struct ucred *cred)
{
}
static void
stub_cred_relabel(struct ucred *cred, struct label *newlabel)
{
}
static int
stub_ddb_command_exec(struct db_command *cmd, db_expr_t addr, bool have_addr,
db_expr_t count, char *modif)
{
return (0);
}
static int
stub_ddb_command_register(struct db_command_table *table,
struct db_command *cmd)
{
return (0);
}
static void
stub_devfs_create_device(struct ucred *cred, struct mount *mp,
struct cdev *dev, struct devfs_dirent *de, struct label *delabel)
{
}
static void
stub_devfs_create_directory(struct mount *mp, char *dirname,
int dirnamelen, struct devfs_dirent *de, struct label *delabel)
{
}
static void
stub_devfs_create_symlink(struct ucred *cred, struct mount *mp,
struct devfs_dirent *dd, struct label *ddlabel, struct devfs_dirent *de,
struct label *delabel)
{
}
static void
stub_devfs_update(struct mount *mp, struct devfs_dirent *de,
struct label *delabel, struct vnode *vp, struct label *vplabel)
{
}
static void
stub_devfs_vnode_associate(struct mount *mp, struct label *mplabel,
struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
struct label *vplabel)
{
}
static int
stub_ifnet_check_relabel(struct ucred *cred, struct ifnet *ifp,
struct label *ifplabel, struct label *newlabel)
{
return (0);
}
static int
stub_ifnet_check_transmit(struct ifnet *ifp, struct label *ifplabel,
struct mbuf *m, struct label *mlabel)
{
return (0);
}
static void
stub_ifnet_create(struct ifnet *ifp, struct label *ifplabel)
{
}
static void
stub_ifnet_create_mbuf(struct ifnet *ifp, struct label *ifplabel,
struct mbuf *m, struct label *mlabel)
{
}
static void
stub_ifnet_relabel(struct ucred *cred, struct ifnet *ifp,
struct label *ifplabel, struct label *newlabel)
{
}
static int
stub_inpcb_check_deliver(struct inpcb *inp, struct label *inplabel,
struct mbuf *m, struct label *mlabel)
{
return (0);
}
static void
stub_inpcb_create(struct socket *so, struct label *solabel,
struct inpcb *inp, struct label *inplabel)
{
}
static void
stub_inpcb_create_mbuf(struct inpcb *inp, struct label *inplabel,
struct mbuf *m, struct label *mlabel)
{
}
static void
stub_inpcb_sosetlabel(struct socket *so, struct label *solabel,
struct inpcb *inp, struct label *inplabel)
{
SOCK_LOCK_ASSERT(so);
}
static void
stub_ip6q_create(struct mbuf *m, struct label *mlabel, struct ip6q *q6,
struct label *q6label)
{
}
static int
stub_ip6q_match(struct mbuf *m, struct label *mlabel, struct ip6q *q6,
struct label *q6label)
{
return (1);
}
static void
stub_ip6q_reassemble(struct ip6q *q6, struct label *q6label, struct mbuf *m,
struct label *mlabel)
{
}
static void
stub_ip6q_update(struct mbuf *m, struct label *mlabel, struct ip6q *q6,
struct label *q6label)
{
}
static void
stub_ipq_create(struct mbuf *m, struct label *mlabel, struct ipq *q,
struct label *qlabel)
{
}
static int
stub_ipq_match(struct mbuf *m, struct label *mlabel, struct ipq *q,
struct label *qlabel)
{
return (1);
}
static void
stub_ipq_reassemble(struct ipq *q, struct label *qlabel, struct mbuf *m,
struct label *mlabel)
{
}
static void
stub_ipq_update(struct mbuf *m, struct label *mlabel, struct ipq *q,
struct label *qlabel)
{
}
static int
stub_kdb_check_backend(struct kdb_dbbe *be)
{
return (0);
}
static int
stub_kenv_check_dump(struct ucred *cred)
{
return (0);
}
static int
stub_kenv_check_get(struct ucred *cred, char *name)
{
return (0);
}
static int
stub_kenv_check_set(struct ucred *cred, char *name, char *value)
{
return (0);
}
static int
stub_kenv_check_unset(struct ucred *cred, char *name)
{
return (0);
}
static int
stub_kld_check_load(struct ucred *cred, struct vnode *vp,
struct label *vplabel)
{
return (0);
}
static int
stub_kld_check_stat(struct ucred *cred)
{
return (0);
}
static int
stub_mount_check_stat(struct ucred *cred, struct mount *mp,
struct label *mplabel)
{
return (0);
}
static void
stub_mount_create(struct ucred *cred, struct mount *mp,
struct label *mplabel)
{
}
static void
stub_netinet_arp_send(struct ifnet *ifp, struct label *iflpabel,
struct mbuf *m, struct label *mlabel)
{
}
static void
stub_netinet_firewall_reply(struct mbuf *mrecv, struct label *mrecvlabel,
struct mbuf *msend, struct label *msendlabel)
{
}
static void
stub_netinet_firewall_send(struct mbuf *m, struct label *mlabel)
{
}
static void
stub_netinet_fragment(struct mbuf *m, struct label *mlabel, struct mbuf *frag,
struct label *fraglabel)
{
}
static void
stub_netinet_icmp_reply(struct mbuf *mrecv, struct label *mrecvlabel,
struct mbuf *msend, struct label *msendlabel)
{
}
static void
stub_netinet_icmp_replyinplace(struct mbuf *m, struct label *mlabel)
{
}
static void
stub_netinet_igmp_send(struct ifnet *ifp, struct label *iflpabel,
struct mbuf *m, struct label *mlabel)
{
}
static void
stub_netinet_tcp_reply(struct mbuf *m, struct label *mlabel)
{
}
static void
stub_netinet6_nd6_send(struct ifnet *ifp, struct label *iflpabel,
struct mbuf *m, struct label *mlabel)
{
}
static int
stub_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp,
struct label *pplabel, unsigned long cmd, void /* caddr_t */ *data)
{
return (0);
}
static int
stub_pipe_check_poll(struct ucred *cred, struct pipepair *pp,
struct label *pplabel)
{
return (0);
}
static int
stub_pipe_check_read(struct ucred *cred, struct pipepair *pp,
struct label *pplabel)
{
return (0);
}
static int
stub_pipe_check_relabel(struct ucred *cred, struct pipepair *pp,
struct label *pplabel, struct label *newlabel)
{
return (0);
}
static int
stub_pipe_check_stat(struct ucred *cred, struct pipepair *pp,
struct label *pplabel)
{
return (0);
}
static int
stub_pipe_check_write(struct ucred *cred, struct pipepair *pp,
struct label *pplabel)
{
return (0);
}
static void
stub_pipe_create(struct ucred *cred, struct pipepair *pp,
struct label *pplabel)
{
}
static void
stub_pipe_relabel(struct ucred *cred, struct pipepair *pp,
struct label *pplabel, struct label *newlabel)
{
}
static int
stub_posixsem_check_getvalue(struct ucred *active_cred, struct ucred *file_cred,
struct ksem *ks, struct label *kslabel)
{
return (0);
}
static int
stub_posixsem_check_open(struct ucred *cred, struct ksem *ks,
struct label *kslabel)
{
return (0);
}
static int
stub_posixsem_check_post(struct ucred *active_cred, struct ucred *file_cred,
struct ksem *ks, struct label *kslabel)
{
return (0);
}
static int
stub_posixsem_check_setmode(struct ucred *cred, struct ksem *ks,
struct label *kslabel, mode_t mode)
{
return (0);
}
static int
stub_posixsem_check_setowner(struct ucred *cred, struct ksem *ks,
struct label *kslabel, uid_t uid, gid_t gid)
{
return (0);
}
static int
stub_posixsem_check_stat(struct ucred *active_cred, struct ucred *file_cred,
struct ksem *ks, struct label *kslabel)
{
return (0);
}
static int
stub_posixsem_check_unlink(struct ucred *cred, struct ksem *ks,
struct label *kslabel)
{
return (0);
}
static int
stub_posixsem_check_wait(struct ucred *active_cred, struct ucred *file_cred,
struct ksem *ks, struct label *kslabel)
{
return (0);
}
static void
stub_posixsem_create(struct ucred *cred, struct ksem *ks,
struct label *kslabel)
{
}
static int
stub_posixshm_check_create(struct ucred *cred, const char *path)
{
return (0);
}
static int
stub_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd,
struct label *shmlabel, int prot, int flags)
{
return (0);
}
static int
stub_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd,
struct label *shmlabel, accmode_t accmode)
{
return (0);
}
static int
stub_posixshm_check_read(struct ucred *active_cred, struct ucred *file_cred,
struct shmfd *shm, struct label *shmlabel)
{
return (0);
}
static int
stub_posixshm_check_setmode(struct ucred *cred, struct shmfd *shmfd,
struct label *shmlabel, mode_t mode)
{
return (0);
}
static int
stub_posixshm_check_setowner(struct ucred *cred, struct shmfd *shmfd,
struct label *shmlabel, uid_t uid, gid_t gid)
{
return (0);
}
static int
stub_posixshm_check_stat(struct ucred *active_cred, struct ucred *file_cred,
struct shmfd *shmfd, struct label *shmlabel)
{
return (0);
}
static int
stub_posixshm_check_truncate(struct ucred *active_cred,
struct ucred *file_cred, struct shmfd *shmfd, struct label *shmlabel)
{
return (0);
}
static int
stub_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd,
struct label *shmlabel)
{
return (0);
}
static int
stub_posixshm_check_write(struct ucred *active_cred, struct ucred *file_cred,
struct shmfd *shm, struct label *shmlabel)
{
return (0);
}
static void
stub_posixshm_create(struct ucred *cred, struct shmfd *shmfd,
struct label *shmlabel)
{
}
static int
stub_priv_check(struct ucred *cred, int priv)
{
return (0);
}
static int
stub_priv_grant(struct ucred *cred, int priv)
{
return (EPERM);
}
static int
stub_proc_check_debug(struct ucred *cred, struct proc *p)
{
return (0);
}
static int
stub_proc_check_sched(struct ucred *cred, struct proc *p)
{
return (0);
}
static int
stub_proc_check_signal(struct ucred *cred, struct proc *p, int signum)
{
return (0);
}
static int
stub_proc_check_wait(struct ucred *cred, struct proc *p)
{
return (0);
}
static int
stub_socket_check_accept(struct ucred *cred, struct socket *so,
struct label *solabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_bind(struct ucred *cred, struct socket *so,
struct label *solabel, struct sockaddr *sa)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_connect(struct ucred *cred, struct socket *so,
struct label *solabel, struct sockaddr *sa)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_create(struct ucred *cred, int domain, int type, int proto)
{
return (0);
}
static int
stub_socket_check_deliver(struct socket *so, struct label *solabel,
struct mbuf *m, struct label *mlabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_listen(struct ucred *cred, struct socket *so,
struct label *solabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_poll(struct ucred *cred, struct socket *so,
struct label *solabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_receive(struct ucred *cred, struct socket *so,
struct label *solabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_relabel(struct ucred *cred, struct socket *so,
struct label *solabel, struct label *newlabel)
{
SOCK_LOCK_ASSERT(so);
return (0);
}
static int
stub_socket_check_send(struct ucred *cred, struct socket *so,
struct label *solabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_socket_check_stat(struct ucred *cred, struct socket *so,
struct label *solabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static int
stub_inpcb_check_visible(struct ucred *cred, struct inpcb *inp,
struct label *inplabel)
{
return (0);
}
static int
stub_socket_check_visible(struct ucred *cred, struct socket *so,
struct label *solabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
return (0);
}
static void
stub_socket_create(struct ucred *cred, struct socket *so,
struct label *solabel)
{
}
static void
stub_socket_create_mbuf(struct socket *so, struct label *solabel,
struct mbuf *m, struct label *mlabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
}
static void
stub_socket_newconn(struct socket *oldso, struct label *oldsolabel,
struct socket *newso, struct label *newsolabel)
{
#if 0
SOCK_LOCK(oldso);
SOCK_UNLOCK(oldso);
#endif
#if 0
SOCK_LOCK(newso);
SOCK_UNLOCK(newso);
#endif
}
static void
stub_socket_relabel(struct ucred *cred, struct socket *so,
struct label *solabel, struct label *newlabel)
{
SOCK_LOCK_ASSERT(so);
}
static void
stub_socketpeer_set_from_mbuf(struct mbuf *m, struct label *mlabel,
struct socket *so, struct label *sopeerlabel)
{
#if 0
SOCK_LOCK(so);
SOCK_UNLOCK(so);
#endif
}
static void
stub_socketpeer_set_from_socket(struct socket *oldso,
struct label *oldsolabel, struct socket *newso,
struct label *newsopeerlabel)
{
#if 0
SOCK_LOCK(oldso);
SOCK_UNLOCK(oldso);
#endif
#if 0
SOCK_LOCK(newso);
SOCK_UNLOCK(newso);
#endif
}
static void
stub_syncache_create(struct label *label, struct inpcb *inp)
{
}
static void
stub_syncache_create_mbuf(struct label *sc_label, struct mbuf *m,
struct label *mlabel)
{
}
static int
stub_system_check_acct(struct ucred *cred, struct vnode *vp,
struct label *vplabel)
{
return (0);
}
static int
stub_system_check_audit(struct ucred *cred, void *record, int length)
{
return (0);
}
static int
stub_system_check_auditctl(struct ucred *cred, struct vnode *vp,
struct label *vplabel)
{
return (0);
}
static int
stub_system_check_auditon(struct ucred *cred, int cmd)
{
return (0);
}
static int
stub_system_check_reboot(struct ucred *cred, int how)
{
return (0);
}
static int
stub_system_check_swapoff(struct ucred *cred, struct vnode *vp,
struct label *vplabel)
{
return (0);
}
static int
stub_system_check_swapon(struct ucred *cred, struct vnode *vp,
struct label *vplabel)
{
return (0);
}
static int
stub_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
void *arg1, int arg2, struct sysctl_req *req)
{
return (0);
}
static void
stub_sysvmsg_cleanup(struct label *msglabel)
{
}
static void
stub_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr,
struct label *msqlabel, struct msg *msgptr, struct label *msglabel)
{
}
static int
stub_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr,
struct label *msglabel, struct msqid_kernel *msqkptr,
struct label *msqklabel)
{
return (0);
}
static int
stub_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr,
struct label *msglabel)
{
return (0);
}
static int
stub_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr,
struct label *msglabel)
{
return (0);
}
static int
stub_sysvmsq_check_msqget(struct ucred *cred, struct msqid_kernel *msqkptr,
struct label *msqklabel)
{
return (0);
}
static int
stub_sysvmsq_check_msqsnd(struct ucred *cred, struct msqid_kernel *msqkptr,
struct label *msqklabel)
{
return (0);
}
static int
stub_sysvmsq_check_msqrcv(struct ucred *cred, struct msqid_kernel *msqkptr,
struct label *msqklabel)
{
return (0);
}
static int
stub_sysvmsq_check_msqctl(struct ucred *cred, struct msqid_kernel *msqkptr,
struct label *msqklabel, int cmd)
{
return (0);
}
static void
stub_sysvmsq_cleanup(struct label *msqlabel)
{
}
static void
stub_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr,
struct label *msqlabel)
{
}
static int
stub_sysvsem_check_semctl(struct ucred *cred, struct semid_kernel *semakptr,
struct label *semaklabel, int cmd)
{
return (0);
}
static int
stub_sysvsem_check_semget(struct ucred *cred, struct semid_kernel *semakptr,
struct label *semaklabel)
{
return (0);
}
static int
stub_sysvsem_check_semop(struct ucred *cred, struct semid_kernel *semakptr,
struct label *semaklabel, size_t accesstype)
{
return (0);
}
static void
stub_sysvsem_cleanup(struct label *semalabel)
{
}
static void
stub_sysvsem_create(struct ucred *cred, struct semid_kernel *semakptr,
struct label *semalabel)
{
}
static int
stub_sysvshm_check_shmat(struct ucred *cred, struct shmid_kernel *shmsegptr,
struct label *shmseglabel, int shmflg)
{
return (0);
}
static int
stub_sysvshm_check_shmctl(struct ucred *cred, struct shmid_kernel *shmsegptr,
struct label *shmseglabel, int cmd)
{
return (0);
}
static int
stub_sysvshm_check_shmdt(struct ucred *cred, struct shmid_kernel *shmsegptr,
struct label *shmseglabel)
{
return (0);
}
static int
stub_sysvshm_check_shmget(struct ucred *cred, struct shmid_kernel *shmsegptr,
struct label *shmseglabel, int shmflg)
{
return (0);
}
static void
stub_sysvshm_cleanup(struct label *shmlabel)
{
}
static void
stub_sysvshm_create(struct ucred *cred, struct shmid_kernel *shmsegptr,
struct label *shmalabel)
{
}
static void
stub_thread_userret(struct thread *td)
{
}
static int
stub_vnode_associate_extattr(struct mount *mp, struct label *mplabel,
struct vnode *vp, struct label *vplabel)
{
return (0);
}
static void
stub_vnode_associate_singlelabel(struct mount *mp, struct label *mplabel,
struct vnode *vp, struct label *vplabel)
{
}
static int
stub_vnode_check_access(struct ucred *cred, struct vnode *vp,
struct label *vplabel, accmode_t accmode)
{
return (0);
}
static int
stub_vnode_check_chdir(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel)
{
return (0);
}
static int
stub_vnode_check_chroot(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel)
{
return (0);
}
static int
stub_vnode_check_create(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel, struct componentname *cnp, struct vattr *vap)
{
return (0);
}
static int
stub_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp,
struct label *vplabel, acl_type_t type)
{
return (0);
}
static int
stub_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp,
struct label *vplabel, int attrnamespace, const char *name)
{
return (0);
}
static int
stub_vnode_check_exec(struct ucred *cred, struct vnode *vp,
struct label *vplabel, struct image_params *imgp,
struct label *execlabel)
{
return (0);
}
static int
stub_vnode_check_getacl(struct ucred *cred, struct vnode *vp,
struct label *vplabel, acl_type_t type)
{
return (0);
}
static int
stub_vnode_check_getextattr(struct ucred *cred, struct vnode *vp,
struct label *vplabel, int attrnamespace, const char *name)
{
return (0);
}
static int
stub_vnode_check_link(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel, struct vnode *vp, struct label *vplabel,
struct componentname *cnp)
{
return (0);
}
static int
stub_vnode_check_listextattr(struct ucred *cred, struct vnode *vp,
struct label *vplabel, int attrnamespace)
{
return (0);
}
static int
stub_vnode_check_lookup(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel, struct componentname *cnp)
{
return (0);
}
static int
stub_vnode_check_mmap(struct ucred *cred, struct vnode *vp,
struct label *vplabel, int prot, int flags)
{
return (0);
}
static void
stub_vnode_check_mmap_downgrade(struct ucred *cred, struct vnode *vp,
struct label *vplabel, int *prot)
{
}
static int
stub_vnode_check_mprotect(struct ucred *cred, struct vnode *vp,
struct label *vplabel, int prot)
{
return (0);
}
static int
stub_vnode_check_open(struct ucred *cred, struct vnode *vp,
struct label *vplabel, accmode_t accmode)
{
return (0);
}
static int
stub_vnode_check_poll(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *vplabel)
{
return (0);
}
static int
stub_vnode_check_read(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *vplabel)
{
return (0);
}
static int
stub_vnode_check_readdir(struct ucred *cred, struct vnode *vp,
struct label *dvplabel)
{
return (0);
}
static int
stub_vnode_check_readlink(struct ucred *cred, struct vnode *vp,
struct label *vplabel)
{
return (0);
}
static int
stub_vnode_check_relabel(struct ucred *cred, struct vnode *vp,
struct label *vplabel, struct label *newlabel)
{
return (0);
}
static int
stub_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel, struct vnode *vp, struct label *vplabel,
struct componentname *cnp)
{
return (0);
}
static int
stub_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel, struct vnode *vp, struct label *vplabel,
int samedir, struct componentname *cnp)
{
return (0);
}
static int
stub_vnode_check_revoke(struct ucred *cred, struct vnode *vp,
struct label *vplabel)
{
return (0);
}
static int
stub_vnode_check_setacl(struct ucred *cred, struct vnode *vp,
struct label *vplabel, acl_type_t type, struct acl *acl)
{
return (0);
}
static int
stub_vnode_check_setextattr(struct ucred *cred, struct vnode *vp,
struct label *vplabel, int attrnamespace, const char *name)
{
return (0);
}
static int
stub_vnode_check_setflags(struct ucred *cred, struct vnode *vp,
struct label *vplabel, u_long flags)
{
return (0);
}
static int
stub_vnode_check_setmode(struct ucred *cred, struct vnode *vp,
struct label *vplabel, mode_t mode)
{
return (0);
}
static int
stub_vnode_check_setowner(struct ucred *cred, struct vnode *vp,
struct label *vplabel, uid_t uid, gid_t gid)
{
return (0);
}
static int
stub_vnode_check_setutimes(struct ucred *cred, struct vnode *vp,
struct label *vplabel, struct timespec atime, struct timespec mtime)
{
return (0);
}
static int
stub_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *vplabel)
{
return (0);
}
static int
stub_vnode_check_unlink(struct ucred *cred, struct vnode *dvp,
struct label *dvplabel, struct vnode *vp, struct label *vplabel,
struct componentname *cnp)
{
return (0);
}
static int
stub_vnode_check_write(struct ucred *active_cred, struct ucred *file_cred,
struct vnode *vp, struct label *vplabel)
{
return (0);
}
static int
stub_vnode_create_extattr(struct ucred *cred, struct mount *mp,
struct label *mntlabel, struct vnode *dvp, struct label *dvplabel,
struct vnode *vp, struct label *vplabel, struct componentname *cnp)
{
return (0);
}
static void
stub_vnode_execve_transition(struct ucred *old, struct ucred *new,
struct vnode *vp, struct label *vplabel, struct label *interpvplabel,
struct image_params *imgp, struct label *execlabel)
{
}
static int
stub_vnode_execve_will_transition(struct ucred *old, struct vnode *vp,
struct label *vplabel, struct label *interpvplabel,
struct image_params *imgp, struct label *execlabel)
{
return (0);
}
static void
stub_vnode_relabel(struct ucred *cred, struct vnode *vp,
struct label *vplabel, struct label *label)
{
}
static int
stub_vnode_setlabel_extattr(struct ucred *cred, struct vnode *vp,
struct label *vplabel, struct label *intlabel)
{
return (0);
}
/*
* Register functions with MAC Framework policy entry points.
*/
static struct mac_policy_ops stub_ops =
{
.mpo_destroy = stub_destroy,
.mpo_init = stub_init,
.mpo_syscall = stub_syscall,
.mpo_bpfdesc_check_receive = stub_bpfdesc_check_receive,
.mpo_bpfdesc_create = stub_bpfdesc_create,
.mpo_bpfdesc_create_mbuf = stub_bpfdesc_create_mbuf,
.mpo_bpfdesc_destroy_label = stub_destroy_label,
.mpo_bpfdesc_init_label = stub_init_label,
.mpo_cred_associate_nfsd = stub_cred_associate_nfsd,
.mpo_cred_check_relabel = stub_cred_check_relabel,
.mpo_cred_check_setaudit = stub_cred_check_setaudit,
.mpo_cred_check_setaudit_addr = stub_cred_check_setaudit_addr,
.mpo_cred_check_setauid = stub_cred_check_setauid,
.mpo_cred_setcred_enter = stub_cred_setcred_enter,
.mpo_cred_check_setcred = stub_cred_check_setcred,
.mpo_cred_setcred_exit = stub_cred_setcred_exit,
.mpo_cred_check_setegid = stub_cred_check_setegid,
.mpo_cred_check_seteuid = stub_cred_check_seteuid,
.mpo_cred_check_setgid = stub_cred_check_setgid,
.mpo_cred_check_setgroups = stub_cred_check_setgroups,
.mpo_cred_check_setregid = stub_cred_check_setregid,
.mpo_cred_check_setresgid = stub_cred_check_setresgid,
.mpo_cred_check_setresuid = stub_cred_check_setresuid,
.mpo_cred_check_setreuid = stub_cred_check_setreuid,
.mpo_cred_check_setuid = stub_cred_check_setuid,
.mpo_cred_check_visible = stub_cred_check_visible,
.mpo_cred_copy_label = stub_copy_label,
.mpo_cred_create_init = stub_cred_create_init,
.mpo_cred_create_swapper = stub_cred_create_swapper,
.mpo_cred_destroy_label = stub_destroy_label,
.mpo_cred_externalize_label = stub_externalize_label,
.mpo_cred_init_label = stub_init_label,
.mpo_cred_internalize_label = stub_internalize_label,
.mpo_cred_relabel= stub_cred_relabel,
.mpo_ddb_command_exec = stub_ddb_command_exec,
.mpo_ddb_command_register = stub_ddb_command_register,
.mpo_devfs_create_device = stub_devfs_create_device,
.mpo_devfs_create_directory = stub_devfs_create_directory,
.mpo_devfs_create_symlink = stub_devfs_create_symlink,
.mpo_devfs_destroy_label = stub_destroy_label,
.mpo_devfs_init_label = stub_init_label,
.mpo_devfs_update = stub_devfs_update,
.mpo_devfs_vnode_associate = stub_devfs_vnode_associate,
.mpo_ifnet_check_relabel = stub_ifnet_check_relabel,
.mpo_ifnet_check_transmit = stub_ifnet_check_transmit,
.mpo_ifnet_copy_label = stub_copy_label,
.mpo_ifnet_create = stub_ifnet_create,
.mpo_ifnet_create_mbuf = stub_ifnet_create_mbuf,
.mpo_ifnet_destroy_label = stub_destroy_label,
.mpo_ifnet_externalize_label = stub_externalize_label,
.mpo_ifnet_init_label = stub_init_label,
.mpo_ifnet_internalize_label = stub_internalize_label,
.mpo_ifnet_relabel = stub_ifnet_relabel,
.mpo_inpcb_check_deliver = stub_inpcb_check_deliver,
.mpo_inpcb_check_visible = stub_inpcb_check_visible,
.mpo_inpcb_create = stub_inpcb_create,
.mpo_inpcb_create_mbuf = stub_inpcb_create_mbuf,
.mpo_inpcb_destroy_label = stub_destroy_label,
.mpo_inpcb_init_label = stub_init_label_waitcheck,
.mpo_inpcb_sosetlabel = stub_inpcb_sosetlabel,
.mpo_ip6q_create = stub_ip6q_create,
.mpo_ip6q_destroy_label = stub_destroy_label,
.mpo_ip6q_init_label = stub_init_label_waitcheck,
.mpo_ip6q_match = stub_ip6q_match,
.mpo_ip6q_update = stub_ip6q_update,
.mpo_ip6q_reassemble = stub_ip6q_reassemble,
.mpo_ipq_create = stub_ipq_create,
.mpo_ipq_destroy_label = stub_destroy_label,
.mpo_ipq_init_label = stub_init_label_waitcheck,
.mpo_ipq_match = stub_ipq_match,
.mpo_ipq_update = stub_ipq_update,
.mpo_ipq_reassemble = stub_ipq_reassemble,
.mpo_kdb_check_backend = stub_kdb_check_backend,
.mpo_kenv_check_dump = stub_kenv_check_dump,
.mpo_kenv_check_get = stub_kenv_check_get,
.mpo_kenv_check_set = stub_kenv_check_set,
.mpo_kenv_check_unset = stub_kenv_check_unset,
.mpo_kld_check_load = stub_kld_check_load,
.mpo_kld_check_stat = stub_kld_check_stat,
.mpo_mbuf_copy_label = stub_copy_label,
.mpo_mbuf_destroy_label = stub_destroy_label,
.mpo_mbuf_init_label = stub_init_label_waitcheck,
.mpo_mount_check_stat = stub_mount_check_stat,
.mpo_mount_create = stub_mount_create,
.mpo_mount_destroy_label = stub_destroy_label,
.mpo_mount_init_label = stub_init_label,
.mpo_netinet_arp_send = stub_netinet_arp_send,
.mpo_netinet_firewall_reply = stub_netinet_firewall_reply,
.mpo_netinet_firewall_send = stub_netinet_firewall_send,
.mpo_netinet_fragment = stub_netinet_fragment,
.mpo_netinet_icmp_reply = stub_netinet_icmp_reply,
.mpo_netinet_icmp_replyinplace = stub_netinet_icmp_replyinplace,
.mpo_netinet_tcp_reply = stub_netinet_tcp_reply,
.mpo_netinet_igmp_send = stub_netinet_igmp_send,
.mpo_netinet6_nd6_send = stub_netinet6_nd6_send,
.mpo_pipe_check_ioctl = stub_pipe_check_ioctl,
.mpo_pipe_check_poll = stub_pipe_check_poll,
.mpo_pipe_check_read = stub_pipe_check_read,
.mpo_pipe_check_relabel = stub_pipe_check_relabel,
.mpo_pipe_check_stat = stub_pipe_check_stat,
.mpo_pipe_check_write = stub_pipe_check_write,
.mpo_pipe_copy_label = stub_copy_label,
.mpo_pipe_create = stub_pipe_create,
.mpo_pipe_destroy_label = stub_destroy_label,
.mpo_pipe_externalize_label = stub_externalize_label,
.mpo_pipe_init_label = stub_init_label,
.mpo_pipe_internalize_label = stub_internalize_label,
.mpo_pipe_relabel = stub_pipe_relabel,
.mpo_posixsem_check_getvalue = stub_posixsem_check_getvalue,
.mpo_posixsem_check_open = stub_posixsem_check_open,
.mpo_posixsem_check_post = stub_posixsem_check_post,
.mpo_posixsem_check_setmode = stub_posixsem_check_setmode,
.mpo_posixsem_check_setowner = stub_posixsem_check_setowner,
.mpo_posixsem_check_stat = stub_posixsem_check_stat,
.mpo_posixsem_check_unlink = stub_posixsem_check_unlink,
.mpo_posixsem_check_wait = stub_posixsem_check_wait,
.mpo_posixsem_create = stub_posixsem_create,
.mpo_posixsem_destroy_label = stub_destroy_label,
.mpo_posixsem_init_label = stub_init_label,
.mpo_posixshm_check_create = stub_posixshm_check_create,
.mpo_posixshm_check_mmap = stub_posixshm_check_mmap,
.mpo_posixshm_check_open = stub_posixshm_check_open,
.mpo_posixshm_check_read = stub_posixshm_check_read,
.mpo_posixshm_check_setmode = stub_posixshm_check_setmode,
.mpo_posixshm_check_setowner = stub_posixshm_check_setowner,
.mpo_posixshm_check_stat = stub_posixshm_check_stat,
.mpo_posixshm_check_truncate = stub_posixshm_check_truncate,
.mpo_posixshm_check_unlink = stub_posixshm_check_unlink,
.mpo_posixshm_check_write = stub_posixshm_check_write,
.mpo_posixshm_create = stub_posixshm_create,
.mpo_posixshm_destroy_label = stub_destroy_label,
.mpo_posixshm_init_label = stub_init_label,
.mpo_priv_check = stub_priv_check,
.mpo_priv_grant = stub_priv_grant,
.mpo_proc_check_debug = stub_proc_check_debug,
.mpo_proc_check_sched = stub_proc_check_sched,
.mpo_proc_check_signal = stub_proc_check_signal,
.mpo_proc_check_wait = stub_proc_check_wait,
.mpo_socket_check_accept = stub_socket_check_accept,
.mpo_socket_check_bind = stub_socket_check_bind,
.mpo_socket_check_connect = stub_socket_check_connect,
.mpo_socket_check_create = stub_socket_check_create,
.mpo_socket_check_deliver = stub_socket_check_deliver,
.mpo_socket_check_listen = stub_socket_check_listen,
.mpo_socket_check_poll = stub_socket_check_poll,
.mpo_socket_check_receive = stub_socket_check_receive,
.mpo_socket_check_relabel = stub_socket_check_relabel,
.mpo_socket_check_send = stub_socket_check_send,
.mpo_socket_check_stat = stub_socket_check_stat,
.mpo_socket_check_visible = stub_socket_check_visible,
.mpo_socket_copy_label = stub_copy_label,
.mpo_socket_create = stub_socket_create,
.mpo_socket_create_mbuf = stub_socket_create_mbuf,
.mpo_socket_destroy_label = stub_destroy_label,
.mpo_socket_externalize_label = stub_externalize_label,
.mpo_socket_init_label = stub_init_label_waitcheck,
.mpo_socket_internalize_label = stub_internalize_label,
.mpo_socket_newconn = stub_socket_newconn,
.mpo_socket_relabel = stub_socket_relabel,
.mpo_socketpeer_destroy_label = stub_destroy_label,
.mpo_socketpeer_externalize_label = stub_externalize_label,
.mpo_socketpeer_init_label = stub_init_label_waitcheck,
.mpo_socketpeer_set_from_mbuf = stub_socketpeer_set_from_mbuf,
.mpo_socketpeer_set_from_socket = stub_socketpeer_set_from_socket,
.mpo_syncache_init_label = stub_init_label_waitcheck,
.mpo_syncache_destroy_label = stub_destroy_label,
.mpo_syncache_create = stub_syncache_create,
.mpo_syncache_create_mbuf= stub_syncache_create_mbuf,
.mpo_sysvmsg_cleanup = stub_sysvmsg_cleanup,
.mpo_sysvmsg_create = stub_sysvmsg_create,
.mpo_sysvmsg_destroy_label = stub_destroy_label,
.mpo_sysvmsg_init_label = stub_init_label,
.mpo_sysvmsq_check_msgmsq = stub_sysvmsq_check_msgmsq,
.mpo_sysvmsq_check_msgrcv = stub_sysvmsq_check_msgrcv,
.mpo_sysvmsq_check_msgrmid = stub_sysvmsq_check_msgrmid,
.mpo_sysvmsq_check_msqget = stub_sysvmsq_check_msqget,
.mpo_sysvmsq_check_msqsnd = stub_sysvmsq_check_msqsnd,
.mpo_sysvmsq_check_msqrcv = stub_sysvmsq_check_msqrcv,
.mpo_sysvmsq_check_msqctl = stub_sysvmsq_check_msqctl,
.mpo_sysvmsq_cleanup = stub_sysvmsq_cleanup,
.mpo_sysvmsq_create = stub_sysvmsq_create,
.mpo_sysvmsq_destroy_label = stub_destroy_label,
.mpo_sysvmsq_init_label = stub_init_label,
.mpo_sysvsem_check_semctl = stub_sysvsem_check_semctl,
.mpo_sysvsem_check_semget = stub_sysvsem_check_semget,
.mpo_sysvsem_check_semop = stub_sysvsem_check_semop,
.mpo_sysvsem_cleanup = stub_sysvsem_cleanup,
.mpo_sysvsem_create = stub_sysvsem_create,
.mpo_sysvsem_destroy_label = stub_destroy_label,
.mpo_sysvsem_init_label = stub_init_label,
.mpo_sysvshm_check_shmat = stub_sysvshm_check_shmat,
.mpo_sysvshm_check_shmctl = stub_sysvshm_check_shmctl,
.mpo_sysvshm_check_shmdt = stub_sysvshm_check_shmdt,
.mpo_sysvshm_check_shmget = stub_sysvshm_check_shmget,
.mpo_sysvshm_cleanup = stub_sysvshm_cleanup,
.mpo_sysvshm_create = stub_sysvshm_create,
.mpo_sysvshm_destroy_label = stub_destroy_label,
.mpo_sysvshm_init_label = stub_init_label,
.mpo_system_check_acct = stub_system_check_acct,
.mpo_system_check_audit = stub_system_check_audit,
.mpo_system_check_auditctl = stub_system_check_auditctl,
.mpo_system_check_auditon = stub_system_check_auditon,
.mpo_system_check_reboot = stub_system_check_reboot,
.mpo_system_check_swapoff = stub_system_check_swapoff,
.mpo_system_check_swapon = stub_system_check_swapon,
.mpo_system_check_sysctl = stub_system_check_sysctl,
.mpo_thread_userret = stub_thread_userret,
.mpo_vnode_associate_extattr = stub_vnode_associate_extattr,
.mpo_vnode_associate_singlelabel = stub_vnode_associate_singlelabel,
.mpo_vnode_check_access = stub_vnode_check_access,
.mpo_vnode_check_chdir = stub_vnode_check_chdir,
.mpo_vnode_check_chroot = stub_vnode_check_chroot,
.mpo_vnode_check_create = stub_vnode_check_create,
.mpo_vnode_check_deleteacl = stub_vnode_check_deleteacl,
.mpo_vnode_check_deleteextattr = stub_vnode_check_deleteextattr,
.mpo_vnode_check_exec = stub_vnode_check_exec,
.mpo_vnode_check_getacl = stub_vnode_check_getacl,
.mpo_vnode_check_getextattr = stub_vnode_check_getextattr,
.mpo_vnode_check_link = stub_vnode_check_link,
.mpo_vnode_check_listextattr = stub_vnode_check_listextattr,
.mpo_vnode_check_lookup = stub_vnode_check_lookup,
.mpo_vnode_check_mmap = stub_vnode_check_mmap,
.mpo_vnode_check_mmap_downgrade = stub_vnode_check_mmap_downgrade,
.mpo_vnode_check_mprotect = stub_vnode_check_mprotect,
.mpo_vnode_check_open = stub_vnode_check_open,
.mpo_vnode_check_poll = stub_vnode_check_poll,
.mpo_vnode_check_read = stub_vnode_check_read,
.mpo_vnode_check_readdir = stub_vnode_check_readdir,
.mpo_vnode_check_readlink = stub_vnode_check_readlink,
.mpo_vnode_check_relabel = stub_vnode_check_relabel,
.mpo_vnode_check_rename_from = stub_vnode_check_rename_from,
.mpo_vnode_check_rename_to = stub_vnode_check_rename_to,
.mpo_vnode_check_revoke = stub_vnode_check_revoke,
.mpo_vnode_check_setacl = stub_vnode_check_setacl,
.mpo_vnode_check_setextattr = stub_vnode_check_setextattr,
.mpo_vnode_check_setflags = stub_vnode_check_setflags,
.mpo_vnode_check_setmode = stub_vnode_check_setmode,
.mpo_vnode_check_setowner = stub_vnode_check_setowner,
.mpo_vnode_check_setutimes = stub_vnode_check_setutimes,
.mpo_vnode_check_stat = stub_vnode_check_stat,
.mpo_vnode_check_unlink = stub_vnode_check_unlink,
.mpo_vnode_check_write = stub_vnode_check_write,
.mpo_vnode_copy_label = stub_copy_label,
.mpo_vnode_create_extattr = stub_vnode_create_extattr,
.mpo_vnode_destroy_label = stub_destroy_label,
.mpo_vnode_execve_transition = stub_vnode_execve_transition,
.mpo_vnode_execve_will_transition = stub_vnode_execve_will_transition,
.mpo_vnode_externalize_label = stub_externalize_label,
.mpo_vnode_init_label = stub_init_label,
.mpo_vnode_internalize_label = stub_internalize_label,
.mpo_vnode_relabel = stub_vnode_relabel,
.mpo_vnode_setlabel_extattr = stub_vnode_setlabel_extattr,
};
MAC_POLICY_SET(&stub_ops, mac_stub, "TrustedBSD MAC/Stub",
MPC_LOADTIME_FLAG_UNLOADOK, NULL);
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