fefd0ac8a9
extended attribute get/set; in the case of get an uninitialized user buffer was passed before the EA was retrieved, making it of relatively little use; the latter was simply unused by any policies. Obtained from: TrustedBSD Project Sponsored by: Google, Inc.
442 lines
19 KiB
C
442 lines
19 KiB
C
/*-
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* Copyright (c) 1999-2002, 2007-2009 Robert N. M. Watson
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* Copyright (c) 2001-2005 Networks Associates Technology, Inc.
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* Copyright (c) 2005-2006 SPARTA, Inc.
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* All rights reserved.
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*
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* This software was developed by Robert Watson for the TrustedBSD Project.
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*
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* This software was developed for the FreeBSD Project in part by Network
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* Associates Laboratories, the Security Research Division of Network
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* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
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* as part of the DARPA CHATS research program.
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*
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* This software was enhanced by SPARTA ISSO under SPAWAR contract
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* N66001-04-C-6019 ("SEFOS").
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*
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* This software was developed at the University of Cambridge Computer
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* Laboratory with support from a grant from Google, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Kernel interface for Mandatory Access Control -- how kernel services
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* interact with the TrustedBSD MAC Framework.
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*/
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#ifndef _SECURITY_MAC_MAC_FRAMEWORK_H_
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#define _SECURITY_MAC_MAC_FRAMEWORK_H_
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#ifndef _KERNEL
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#error "no user-serviceable parts inside"
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#endif
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struct auditinfo;
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struct auditinfo_addr;
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struct bpf_d;
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struct cdev;
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struct componentname;
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struct devfs_dirent;
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struct ifnet;
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struct ifreq;
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struct image_params;
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struct inpcb;
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struct ip6q;
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struct ipq;
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struct ksem;
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struct label;
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struct m_tag;
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struct mac;
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struct mbuf;
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struct mount;
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struct msg;
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struct msqid_kernel;
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struct proc;
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struct semid_kernel;
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struct shmfd;
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struct shmid_kernel;
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struct sockaddr;
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struct socket;
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struct sysctl_oid;
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struct sysctl_req;
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struct pipepair;
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struct thread;
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struct timespec;
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struct ucred;
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struct vattr;
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struct vnode;
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struct vop_setlabel_args;
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#include <sys/acl.h> /* XXX acl_type_t */
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#include <sys/types.h> /* accmode_t */
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/*
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* Entry points to the TrustedBSD MAC Framework from the remainder of the
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* kernel: entry points are named based on a principle object type and an
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* action relating to it. They are sorted alphabetically first by object
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* type and then action. In some situations, the principle object type is
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* obvious, and in other cases, less so as multiple objects may be inolved
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* in the operation.
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*/
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int mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp);
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void mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d);
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void mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m);
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void mac_bpfdesc_destroy(struct bpf_d *);
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void mac_bpfdesc_init(struct bpf_d *);
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void mac_cred_associate_nfsd(struct ucred *cred);
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int mac_cred_check_setaudit(struct ucred *cred, struct auditinfo *ai);
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int mac_cred_check_setaudit_addr(struct ucred *cred,
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struct auditinfo_addr *aia);
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int mac_cred_check_setauid(struct ucred *cred, uid_t auid);
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int mac_cred_check_setegid(struct ucred *cred, gid_t egid);
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int mac_cred_check_seteuid(struct ucred *cred, uid_t euid);
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int mac_cred_check_setgid(struct ucred *cred, gid_t gid);
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int mac_cred_check_setgroups(struct ucred *cred, int ngroups,
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gid_t *gidset);
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int mac_cred_check_setregid(struct ucred *cred, gid_t rgid, gid_t egid);
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int mac_cred_check_setresgid(struct ucred *cred, gid_t rgid, gid_t egid,
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gid_t sgid);
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int mac_cred_check_setresuid(struct ucred *cred, uid_t ruid, uid_t euid,
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uid_t suid);
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int mac_cred_check_setreuid(struct ucred *cred, uid_t ruid, uid_t euid);
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int mac_cred_check_setuid(struct ucred *cred, uid_t uid);
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int mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2);
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void mac_cred_copy(struct ucred *cr1, struct ucred *cr2);
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void mac_cred_create_init(struct ucred *cred);
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void mac_cred_create_swapper(struct ucred *cred);
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void mac_cred_destroy(struct ucred *);
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void mac_cred_init(struct ucred *);
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void mac_devfs_create_device(struct ucred *cred, struct mount *mp,
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struct cdev *dev, struct devfs_dirent *de);
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void mac_devfs_create_directory(struct mount *mp, char *dirname,
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int dirnamelen, struct devfs_dirent *de);
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void mac_devfs_create_symlink(struct ucred *cred, struct mount *mp,
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struct devfs_dirent *dd, struct devfs_dirent *de);
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void mac_devfs_destroy(struct devfs_dirent *);
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void mac_devfs_init(struct devfs_dirent *);
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void mac_devfs_update(struct mount *mp, struct devfs_dirent *de,
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struct vnode *vp);
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void mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de,
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struct vnode *vp);
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int mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m);
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void mac_ifnet_create(struct ifnet *ifp);
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void mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m);
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void mac_ifnet_destroy(struct ifnet *);
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void mac_ifnet_init(struct ifnet *);
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int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr,
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struct ifnet *ifp);
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int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr,
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struct ifnet *ifp);
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int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m);
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int mac_inpcb_check_visible(struct ucred *cred, struct inpcb *inp);
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void mac_inpcb_create(struct socket *so, struct inpcb *inp);
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void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m);
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void mac_inpcb_destroy(struct inpcb *);
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int mac_inpcb_init(struct inpcb *, int);
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void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp);
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void mac_ip6q_create(struct mbuf *m, struct ip6q *q6);
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void mac_ip6q_destroy(struct ip6q *q6);
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int mac_ip6q_init(struct ip6q *q6, int);
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int mac_ip6q_match(struct mbuf *m, struct ip6q *q6);
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void mac_ip6q_reassemble(struct ip6q *q6, struct mbuf *m);
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void mac_ip6q_update(struct mbuf *m, struct ip6q *q6);
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void mac_ipq_create(struct mbuf *m, struct ipq *q);
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void mac_ipq_destroy(struct ipq *q);
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int mac_ipq_init(struct ipq *q, int);
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int mac_ipq_match(struct mbuf *m, struct ipq *q);
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void mac_ipq_reassemble(struct ipq *q, struct mbuf *m);
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void mac_ipq_update(struct mbuf *m, struct ipq *q);
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int mac_kenv_check_dump(struct ucred *cred);
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int mac_kenv_check_get(struct ucred *cred, char *name);
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int mac_kenv_check_set(struct ucred *cred, char *name, char *value);
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int mac_kenv_check_unset(struct ucred *cred, char *name);
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int mac_kld_check_load(struct ucred *cred, struct vnode *vp);
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int mac_kld_check_stat(struct ucred *cred);
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void mac_mbuf_copy(struct mbuf *, struct mbuf *);
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int mac_mbuf_init(struct mbuf *, int);
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void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *);
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void mac_mbuf_tag_destroy(struct m_tag *);
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int mac_mbuf_tag_init(struct m_tag *, int);
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int mac_mount_check_stat(struct ucred *cred, struct mount *mp);
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void mac_mount_create(struct ucred *cred, struct mount *mp);
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void mac_mount_destroy(struct mount *);
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void mac_mount_init(struct mount *);
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void mac_netatalk_aarp_send(struct ifnet *ifp, struct mbuf *m);
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void mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m);
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void mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend);
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void mac_netinet_firewall_send(struct mbuf *m);
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void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag);
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void mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend);
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void mac_netinet_icmp_replyinplace(struct mbuf *m);
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void mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m);
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void mac_netinet_tcp_reply(struct mbuf *m);
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void mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m);
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int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp,
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unsigned long cmd, void *data);
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int mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp);
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int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp);
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int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp);
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int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp);
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void mac_pipe_create(struct ucred *cred, struct pipepair *pp);
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void mac_pipe_destroy(struct pipepair *);
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void mac_pipe_init(struct pipepair *);
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int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp,
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struct label *label);
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int mac_posixsem_check_getvalue(struct ucred *active_cred,
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struct ucred *file_cred, struct ksem *ks);
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int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks);
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int mac_posixsem_check_post(struct ucred *active_cred,
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struct ucred *file_cred, struct ksem *ks);
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int mac_posixsem_check_stat(struct ucred *active_cred,
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struct ucred *file_cred, struct ksem *ks);
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int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks);
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int mac_posixsem_check_wait(struct ucred *active_cred,
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struct ucred *file_cred, struct ksem *ks);
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void mac_posixsem_create(struct ucred *cred, struct ksem *ks);
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void mac_posixsem_destroy(struct ksem *);
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void mac_posixsem_init(struct ksem *);
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int mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd,
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int prot, int flags);
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int mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd);
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int mac_posixshm_check_stat(struct ucred *active_cred,
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struct ucred *file_cred, struct shmfd *shmfd);
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int mac_posixshm_check_truncate(struct ucred *active_cred,
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struct ucred *file_cred, struct shmfd *shmfd);
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int mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd);
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void mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd);
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void mac_posixshm_destroy(struct shmfd *);
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void mac_posixshm_init(struct shmfd *);
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int mac_priv_check(struct ucred *cred, int priv);
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int mac_priv_grant(struct ucred *cred, int priv);
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int mac_proc_check_debug(struct ucred *cred, struct proc *p);
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int mac_proc_check_sched(struct ucred *cred, struct proc *p);
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int mac_proc_check_signal(struct ucred *cred, struct proc *p,
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int signum);
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int mac_proc_check_wait(struct ucred *cred, struct proc *p);
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void mac_proc_destroy(struct proc *);
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void mac_proc_init(struct proc *);
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void mac_proc_vm_revoke(struct thread *td);
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int mac_execve_enter(struct image_params *imgp, struct mac *mac_p);
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void mac_execve_exit(struct image_params *imgp);
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void mac_execve_interpreter_enter(struct vnode *interpvp,
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struct label **interplabel);
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void mac_execve_interpreter_exit(struct label *interpvplabel);
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int mac_socket_check_accept(struct ucred *cred, struct socket *so);
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int mac_socket_check_bind(struct ucred *cred, struct socket *so,
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struct sockaddr *sa);
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int mac_socket_check_connect(struct ucred *cred, struct socket *so,
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struct sockaddr *sa);
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int mac_socket_check_create(struct ucred *cred, int domain, int type,
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int proto);
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int mac_socket_check_deliver(struct socket *so, struct mbuf *m);
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int mac_socket_check_listen(struct ucred *cred, struct socket *so);
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int mac_socket_check_poll(struct ucred *cred, struct socket *so);
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int mac_socket_check_receive(struct ucred *cred, struct socket *so);
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int mac_socket_check_send(struct ucred *cred, struct socket *so);
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int mac_socket_check_stat(struct ucred *cred, struct socket *so);
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int mac_socket_check_visible(struct ucred *cred, struct socket *so);
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void mac_socket_create_mbuf(struct socket *so, struct mbuf *m);
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void mac_socket_create(struct ucred *cred, struct socket *so);
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void mac_socket_destroy(struct socket *);
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int mac_socket_init(struct socket *, int);
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void mac_socket_newconn(struct socket *oldso, struct socket *newso);
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int mac_getsockopt_label(struct ucred *cred, struct socket *so,
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struct mac *extmac);
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int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so,
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struct mac *extmac);
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int mac_setsockopt_label(struct ucred *cred, struct socket *so,
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struct mac *extmac);
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void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so);
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void mac_socketpeer_set_from_socket(struct socket *oldso,
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struct socket *newso);
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void mac_syncache_create(struct label *l, struct inpcb *inp);
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void mac_syncache_create_mbuf(struct label *l, struct mbuf *m);
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void mac_syncache_destroy(struct label **l);
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int mac_syncache_init(struct label **l);
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int mac_system_check_acct(struct ucred *cred, struct vnode *vp);
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int mac_system_check_audit(struct ucred *cred, void *record, int length);
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int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp);
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int mac_system_check_auditon(struct ucred *cred, int cmd);
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int mac_system_check_reboot(struct ucred *cred, int howto);
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int mac_system_check_swapon(struct ucred *cred, struct vnode *vp);
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int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp);
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int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
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void *arg1, int arg2, struct sysctl_req *req);
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void mac_sysvmsg_cleanup(struct msg *msgptr);
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void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr,
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struct msg *msgptr);
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void mac_sysvmsg_destroy(struct msg *);
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void mac_sysvmsg_init(struct msg *);
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int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr,
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struct msqid_kernel *msqkptr);
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int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr);
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int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr);
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int mac_sysvmsq_check_msqctl(struct ucred *cred,
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struct msqid_kernel *msqkptr, int cmd);
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int mac_sysvmsq_check_msqget(struct ucred *cred,
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struct msqid_kernel *msqkptr);
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int mac_sysvmsq_check_msqrcv(struct ucred *cred,
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struct msqid_kernel *msqkptr);
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int mac_sysvmsq_check_msqsnd(struct ucred *cred,
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struct msqid_kernel *msqkptr);
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void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr);
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void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr);
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void mac_sysvmsq_destroy(struct msqid_kernel *);
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void mac_sysvmsq_init(struct msqid_kernel *);
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int mac_sysvsem_check_semctl(struct ucred *cred,
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struct semid_kernel *semakptr, int cmd);
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int mac_sysvsem_check_semget(struct ucred *cred,
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struct semid_kernel *semakptr);
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int mac_sysvsem_check_semop(struct ucred *cred,
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struct semid_kernel *semakptr, size_t accesstype);
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void mac_sysvsem_cleanup(struct semid_kernel *semakptr);
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void mac_sysvsem_create(struct ucred *cred,
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struct semid_kernel *semakptr);
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void mac_sysvsem_destroy(struct semid_kernel *);
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void mac_sysvsem_init(struct semid_kernel *);
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int mac_sysvshm_check_shmat(struct ucred *cred,
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struct shmid_kernel *shmsegptr, int shmflg);
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int mac_sysvshm_check_shmctl(struct ucred *cred,
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struct shmid_kernel *shmsegptr, int cmd);
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int mac_sysvshm_check_shmdt(struct ucred *cred,
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struct shmid_kernel *shmsegptr);
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int mac_sysvshm_check_shmget(struct ucred *cred,
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struct shmid_kernel *shmsegptr, int shmflg);
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void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr);
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void mac_sysvshm_create(struct ucred *cred,
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struct shmid_kernel *shmsegptr);
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void mac_sysvshm_destroy(struct shmid_kernel *);
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void mac_sysvshm_init(struct shmid_kernel *);
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void mac_thread_userret(struct thread *td);
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int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp);
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void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp);
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int mac_vnode_check_access(struct ucred *cred, struct vnode *vp,
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accmode_t accmode);
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int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp);
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int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp);
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int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp,
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struct componentname *cnp, struct vattr *vap);
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int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp,
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acl_type_t type);
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int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp,
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int attrnamespace, const char *name);
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int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp,
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struct image_params *imgp);
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int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp,
|
|
acl_type_t type);
|
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int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp,
|
|
int attrnamespace, const char *name);
|
|
int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp,
|
|
struct vnode *vp, struct componentname *cnp);
|
|
int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp,
|
|
int attrnamespace);
|
|
int mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp,
|
|
struct componentname *cnp);
|
|
int mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot,
|
|
int flags);
|
|
int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp,
|
|
int prot);
|
|
int mac_vnode_check_open(struct ucred *cred, struct vnode *vp,
|
|
accmode_t accmode);
|
|
int mac_vnode_check_poll(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp);
|
|
int mac_vnode_check_read(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp);
|
|
int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp);
|
|
int mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp);
|
|
int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp,
|
|
struct vnode *vp, struct componentname *cnp);
|
|
int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp,
|
|
struct vnode *vp, int samedir, struct componentname *cnp);
|
|
int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp);
|
|
int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp,
|
|
acl_type_t type, struct acl *acl);
|
|
int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp,
|
|
int attrnamespace, const char *name);
|
|
int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp,
|
|
u_long flags);
|
|
int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp,
|
|
mode_t mode);
|
|
int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp,
|
|
uid_t uid, gid_t gid);
|
|
int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp,
|
|
struct timespec atime, struct timespec mtime);
|
|
int mac_vnode_check_stat(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp);
|
|
int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp,
|
|
struct vnode *vp, struct componentname *cnp);
|
|
int mac_vnode_check_write(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp);
|
|
void mac_vnode_copy_label(struct label *, struct label *);
|
|
void mac_vnode_init(struct vnode *);
|
|
int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp,
|
|
struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
|
|
void mac_vnode_destroy(struct vnode *);
|
|
void mac_vnode_execve_transition(struct ucred *oldcred,
|
|
struct ucred *newcred, struct vnode *vp,
|
|
struct label *interpvplabel, struct image_params *imgp);
|
|
int mac_vnode_execve_will_transition(struct ucred *cred,
|
|
struct vnode *vp, struct label *interpvplabel,
|
|
struct image_params *imgp);
|
|
void mac_vnode_relabel(struct ucred *cred, struct vnode *vp,
|
|
struct label *newlabel);
|
|
|
|
/*
|
|
* Calls to help various file systems implement labeling functionality using
|
|
* their existing EA implementation.
|
|
*/
|
|
int vop_stdsetlabel_ea(struct vop_setlabel_args *ap);
|
|
|
|
#endif /* !_SECURITY_MAC_MAC_FRAMEWORK_H_ */
|