42726d8ae8
objects and operations: - System V IPC message, message queue, semaphore, and shared memory segment init, destroy, cleanup, create operations. - System V IPC message, message queue, seamphore, and shared memory segment access control entry points, including rights to attach, destroy, and manipulate these IPC objects. Submitted by: Dandekar Hrishikesh <rishi_dandekar at sbcglobal dot net> Obtained from: TrustedBSD Project Sponsored by: DARPA, SPAWAR, McAfee Research
583 lines
25 KiB
C
583 lines
25 KiB
C
/*-
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* Copyright (c) 1999-2002 Robert N. M. Watson
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* Copyright (c) 2001-2004 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed by Robert Watson for the TrustedBSD Project.
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*
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* This software was developed for the FreeBSD Project in part by Network
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* Associates Laboratories, the Security Research Division of Network
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* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
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* as part of the DARPA CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Kernel interface for MAC policy modules.
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*/
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#ifndef _SYS_MAC_POLICY_H_
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#define _SYS_MAC_POLICY_H_
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/*-
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* Pluggable access control policy definition structure.
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*
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* List of operations that are performed as part of the implementation
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* of a MAC policy. Policy implementors declare operations with a
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* mac_policy_ops structure, and using the MAC_POLICY_SET() macro.
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* If an entry point is not declared, then then the policy will be ignored
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* during evaluation of that event or check.
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*
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* Operations are sorted first by general class of operation, then
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* alphabetically.
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*/
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struct acl;
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struct bpf_d;
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struct componentname;
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struct devfs_dirent;
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struct ifnet;
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struct image_params;
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struct inpcb;
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struct ipq;
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struct label;
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struct mac_policy_conf;
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struct mbuf;
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struct mount;
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struct msqid_kernel;
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struct pipepair;
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struct proc;
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struct sbuf;
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struct semid_kernel;
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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 thread;
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struct ucred;
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struct uio;
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struct vattr;
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struct vnode;
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struct mac_policy_ops {
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/*
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* Policy module operations.
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*/
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void (*mpo_destroy)(struct mac_policy_conf *mpc);
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void (*mpo_init)(struct mac_policy_conf *mpc);
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/*
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* General policy-directed security system call so that policies may
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* implement new services without reserving explicit system call
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* numbers.
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*/
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int (*mpo_syscall)(struct thread *td, int call, void *arg);
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/*
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* Label operations. Initialize label storage, destroy label
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* storage, recycle for re-use without init/destroy, copy a label to
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* initialized storage, and externalize/internalize from/to
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* initialized storage.
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*/
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void (*mpo_init_bpfdesc_label)(struct label *label);
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void (*mpo_init_cred_label)(struct label *label);
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void (*mpo_init_devfsdirent_label)(struct label *label);
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void (*mpo_init_ifnet_label)(struct label *label);
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int (*mpo_init_inpcb_label)(struct label *label, int flag);
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void (*mpo_init_sysv_msgmsg_label)(struct label *label);
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void (*mpo_init_sysv_msgqueue_label)(struct label *label);
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void (*mpo_init_sysv_sema_label)(struct label *label);
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void (*mpo_init_sysv_shm_label)(struct label *label);
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int (*mpo_init_ipq_label)(struct label *label, int flag);
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int (*mpo_init_mbuf_label)(struct label *label, int flag);
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void (*mpo_init_mount_label)(struct label *label);
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void (*mpo_init_mount_fs_label)(struct label *label);
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int (*mpo_init_socket_label)(struct label *label, int flag);
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int (*mpo_init_socket_peer_label)(struct label *label, int flag);
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void (*mpo_init_pipe_label)(struct label *label);
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void (*mpo_init_proc_label)(struct label *label);
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void (*mpo_init_vnode_label)(struct label *label);
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void (*mpo_destroy_bpfdesc_label)(struct label *label);
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void (*mpo_destroy_cred_label)(struct label *label);
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void (*mpo_destroy_devfsdirent_label)(struct label *label);
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void (*mpo_destroy_ifnet_label)(struct label *label);
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void (*mpo_destroy_inpcb_label)(struct label *label);
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void (*mpo_destroy_sysv_msgmsg_label)(struct label *label);
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void (*mpo_destroy_sysv_msgqueue_label)(struct label *label);
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void (*mpo_destroy_sysv_sema_label)(struct label *label);
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void (*mpo_destroy_sysv_shm_label)(struct label *label);
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void (*mpo_destroy_ipq_label)(struct label *label);
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void (*mpo_destroy_mbuf_label)(struct label *label);
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void (*mpo_destroy_mount_label)(struct label *label);
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void (*mpo_destroy_mount_fs_label)(struct label *label);
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void (*mpo_destroy_socket_label)(struct label *label);
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void (*mpo_destroy_socket_peer_label)(struct label *label);
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void (*mpo_destroy_pipe_label)(struct label *label);
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void (*mpo_destroy_proc_label)(struct label *label);
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void (*mpo_destroy_vnode_label)(struct label *label);
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void (*mpo_cleanup_sysv_msgmsg)(struct label *msglabel);
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void (*mpo_cleanup_sysv_msgqueue)(struct label *msqlabel);
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void (*mpo_cleanup_sysv_sema)(struct label *semalabel);
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void (*mpo_cleanup_sysv_shm)(struct label *shmlabel);
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void (*mpo_copy_cred_label)(struct label *src,
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struct label *dest);
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void (*mpo_copy_ifnet_label)(struct label *src,
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struct label *dest);
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void (*mpo_copy_mbuf_label)(struct label *src,
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struct label *dest);
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void (*mpo_copy_pipe_label)(struct label *src,
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struct label *dest);
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void (*mpo_copy_socket_label)(struct label *src,
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struct label *dest);
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void (*mpo_copy_vnode_label)(struct label *src,
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struct label *dest);
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int (*mpo_externalize_cred_label)(struct label *label,
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char *element_name, struct sbuf *sb, int *claimed);
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int (*mpo_externalize_ifnet_label)(struct label *label,
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char *element_name, struct sbuf *sb, int *claimed);
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int (*mpo_externalize_pipe_label)(struct label *label,
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char *element_name, struct sbuf *sb, int *claimed);
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int (*mpo_externalize_socket_label)(struct label *label,
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char *element_name, struct sbuf *sb, int *claimed);
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int (*mpo_externalize_socket_peer_label)(struct label *label,
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char *element_name, struct sbuf *sb, int *claimed);
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int (*mpo_externalize_vnode_label)(struct label *label,
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char *element_name, struct sbuf *sb, int *claimed);
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int (*mpo_internalize_cred_label)(struct label *label,
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char *element_name, char *element_data, int *claimed);
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int (*mpo_internalize_ifnet_label)(struct label *label,
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char *element_name, char *element_data, int *claimed);
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int (*mpo_internalize_pipe_label)(struct label *label,
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char *element_name, char *element_data, int *claimed);
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int (*mpo_internalize_socket_label)(struct label *label,
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char *element_name, char *element_data, int *claimed);
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int (*mpo_internalize_vnode_label)(struct label *label,
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char *element_name, char *element_data, int *claimed);
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/*
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* Labeling event operations: file system objects, and things that
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* look a lot like file system objects.
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*/
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void (*mpo_associate_vnode_devfs)(struct mount *mp,
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struct label *fslabel, struct devfs_dirent *de,
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struct label *delabel, struct vnode *vp,
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struct label *vlabel);
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int (*mpo_associate_vnode_extattr)(struct mount *mp,
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struct label *fslabel, struct vnode *vp,
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struct label *vlabel);
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void (*mpo_associate_vnode_singlelabel)(struct mount *mp,
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struct label *fslabel, struct vnode *vp,
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struct label *vlabel);
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void (*mpo_create_devfs_device)(struct mount *mp, struct cdev *dev,
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struct devfs_dirent *de, struct label *label);
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void (*mpo_create_devfs_directory)(struct mount *mp, char *dirname,
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int dirnamelen, struct devfs_dirent *de,
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struct label *label);
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void (*mpo_create_devfs_symlink)(struct ucred *cred,
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struct mount *mp, struct devfs_dirent *dd,
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struct label *ddlabel, struct devfs_dirent *de,
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struct label *delabel);
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int (*mpo_create_vnode_extattr)(struct ucred *cred,
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struct mount *mp, struct label *fslabel,
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struct vnode *dvp, struct label *dlabel,
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struct vnode *vp, struct label *vlabel,
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struct componentname *cnp);
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void (*mpo_create_mount)(struct ucred *cred, struct mount *mp,
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struct label *mntlabel, struct label *fslabel);
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void (*mpo_create_root_mount)(struct ucred *cred, struct mount *mp,
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struct label *mountlabel, struct label *fslabel);
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void (*mpo_relabel_vnode)(struct ucred *cred, struct vnode *vp,
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struct label *vnodelabel, struct label *label);
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int (*mpo_setlabel_vnode_extattr)(struct ucred *cred,
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struct vnode *vp, struct label *vlabel,
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struct label *intlabel);
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void (*mpo_update_devfsdirent)(struct mount *mp,
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struct devfs_dirent *devfs_dirent,
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struct label *direntlabel, struct vnode *vp,
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struct label *vnodelabel);
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/*
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* Labeling event operations: IPC objects.
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*/
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void (*mpo_create_mbuf_from_socket)(struct socket *so,
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struct label *socketlabel, struct mbuf *m,
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struct label *mbuflabel);
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void (*mpo_create_socket)(struct ucred *cred, struct socket *so,
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struct label *socketlabel);
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void (*mpo_create_socket_from_socket)(struct socket *oldsocket,
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struct label *oldsocketlabel, struct socket *newsocket,
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struct label *newsocketlabel);
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void (*mpo_relabel_socket)(struct ucred *cred, struct socket *so,
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struct label *oldlabel, struct label *newlabel);
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void (*mpo_relabel_pipe)(struct ucred *cred, struct pipepair *pp,
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struct label *oldlabel, struct label *newlabel);
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void (*mpo_set_socket_peer_from_mbuf)(struct mbuf *mbuf,
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struct label *mbuflabel, struct socket *so,
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struct label *socketpeerlabel);
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void (*mpo_set_socket_peer_from_socket)(struct socket *oldsocket,
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struct label *oldsocketlabel, struct socket *newsocket,
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struct label *newsocketpeerlabel);
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void (*mpo_create_pipe)(struct ucred *cred, struct pipepair *pp,
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struct label *pipelabel);
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/*
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* Labeling event operations: System V IPC primitives.
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*/
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void (*mpo_create_sysv_msgmsg)(struct ucred *cred,
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struct msqid_kernel *msqkptr, struct label *msqlabel,
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struct msg *msgptr, struct label *msglabel);
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void (*mpo_create_sysv_msgqueue)(struct ucred *cred,
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struct msqid_kernel *msqkptr, struct label *msqlabel);
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void (*mpo_create_sysv_sema)(struct ucred *cred,
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struct semid_kernel *semakptr, struct label *semalabel);
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void (*mpo_create_sysv_shm)(struct ucred *cred,
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struct shmid_kernel *shmsegptr, struct label *shmlabel);
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/*
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* Labeling event operations: network objects.
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*/
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void (*mpo_create_bpfdesc)(struct ucred *cred, struct bpf_d *bpf_d,
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struct label *bpflabel);
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void (*mpo_create_ifnet)(struct ifnet *ifnet,
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struct label *ifnetlabel);
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void (*mpo_create_inpcb_from_socket)(struct socket *so,
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struct label *solabel, struct inpcb *inp,
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struct label *inplabel);
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void (*mpo_create_ipq)(struct mbuf *fragment,
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struct label *fragmentlabel, struct ipq *ipq,
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struct label *ipqlabel);
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void (*mpo_create_datagram_from_ipq)
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(struct ipq *ipq, struct label *ipqlabel,
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struct mbuf *datagram, struct label *datagramlabel);
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void (*mpo_create_fragment)(struct mbuf *datagram,
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struct label *datagramlabel, struct mbuf *fragment,
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struct label *fragmentlabel);
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void (*mpo_create_mbuf_from_inpcb)(struct inpcb *inp,
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struct label *inplabel, struct mbuf *m,
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struct label *mlabel);
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void (*mpo_create_mbuf_from_mbuf)(struct mbuf *oldmbuf,
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struct label *oldlabel, struct mbuf *newmbuf,
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struct label *newlabel);
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void (*mpo_create_mbuf_linklayer)(struct ifnet *ifnet,
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struct label *ifnetlabel, struct mbuf *mbuf,
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struct label *mbuflabel);
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void (*mpo_create_mbuf_from_bpfdesc)(struct bpf_d *bpf_d,
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struct label *bpflabel, struct mbuf *mbuf,
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struct label *mbuflabel);
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void (*mpo_create_mbuf_from_ifnet)(struct ifnet *ifnet,
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struct label *ifnetlabel, struct mbuf *mbuf,
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struct label *mbuflabel);
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void (*mpo_create_mbuf_multicast_encap)(struct mbuf *oldmbuf,
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struct label *oldmbuflabel, struct ifnet *ifnet,
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struct label *ifnetlabel, struct mbuf *newmbuf,
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struct label *newmbuflabel);
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void (*mpo_create_mbuf_netlayer)(struct mbuf *oldmbuf,
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struct label *oldmbuflabel, struct mbuf *newmbuf,
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struct label *newmbuflabel);
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int (*mpo_fragment_match)(struct mbuf *fragment,
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struct label *fragmentlabel, struct ipq *ipq,
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struct label *ipqlabel);
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void (*mpo_reflect_mbuf_icmp)(struct mbuf *m,
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struct label *mlabel);
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void (*mpo_reflect_mbuf_tcp)(struct mbuf *m, struct label *mlabel);
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void (*mpo_relabel_ifnet)(struct ucred *cred, struct ifnet *ifnet,
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struct label *ifnetlabel, struct label *newlabel);
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void (*mpo_update_ipq)(struct mbuf *fragment,
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struct label *fragmentlabel, struct ipq *ipq,
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struct label *ipqlabel);
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void (*mpo_inpcb_sosetlabel)(struct socket *so,
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struct label *label, struct inpcb *inp,
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struct label *inplabel);
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/*
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* Labeling event operations: processes.
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*/
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void (*mpo_execve_transition)(struct ucred *old, struct ucred *new,
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struct vnode *vp, struct label *vnodelabel,
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struct label *interpvnodelabel,
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struct image_params *imgp, struct label *execlabel);
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int (*mpo_execve_will_transition)(struct ucred *old,
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struct vnode *vp, struct label *vnodelabel,
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struct label *interpvnodelabel,
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struct image_params *imgp, struct label *execlabel);
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void (*mpo_create_proc0)(struct ucred *cred);
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void (*mpo_create_proc1)(struct ucred *cred);
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void (*mpo_relabel_cred)(struct ucred *cred,
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struct label *newlabel);
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void (*mpo_thread_userret)(struct thread *thread);
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/*
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* Access control checks.
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*/
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int (*mpo_check_bpfdesc_receive)(struct bpf_d *bpf_d,
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struct label *bpflabel, struct ifnet *ifnet,
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struct label *ifnetlabel);
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int (*mpo_check_cred_relabel)(struct ucred *cred,
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struct label *newlabel);
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int (*mpo_check_cred_visible)(struct ucred *u1, struct ucred *u2);
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int (*mpo_check_ifnet_relabel)(struct ucred *cred,
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struct ifnet *ifnet, struct label *ifnetlabel,
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struct label *newlabel);
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int (*mpo_check_ifnet_transmit)(struct ifnet *ifnet,
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struct label *ifnetlabel, struct mbuf *m,
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struct label *mbuflabel);
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int (*mpo_check_inpcb_deliver)(struct inpcb *inp,
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struct label *inplabel, struct mbuf *m,
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struct label *mlabel);
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int (*mpo_check_sysv_msgmsq)(struct ucred *cred,
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struct msg *msgptr, struct label *msglabel,
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struct msqid_kernel *msqkptr, struct label *msqklabel);
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int (*mpo_check_sysv_msgrcv)(struct ucred *cred,
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struct msg *msgptr, struct label *msglabel);
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int (*mpo_check_sysv_msgrmid)(struct ucred *cred,
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struct msg *msgptr, struct label *msglabel);
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int (*mpo_check_sysv_msqget)(struct ucred *cred,
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struct msqid_kernel *msqkptr, struct label *msqklabel);
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int (*mpo_check_sysv_msqsnd)(struct ucred *cred,
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struct msqid_kernel *msqkptr, struct label *msqklabel);
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int (*mpo_check_sysv_msqrcv)(struct ucred *cred,
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struct msqid_kernel *msqkptr, struct label *msqklabel);
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int (*mpo_check_sysv_msqctl)(struct ucred *cred,
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struct msqid_kernel *msqkptr, struct label *msqklabel,
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int cmd);
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int (*mpo_check_sysv_semctl)(struct ucred *cred,
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struct semid_kernel *semakptr, struct label *semaklabel,
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int cmd);
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int (*mpo_check_sysv_semget)(struct ucred *cred,
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struct semid_kernel *semakptr, struct label *semaklabel);
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int (*mpo_check_sysv_semop)(struct ucred *cred,
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struct semid_kernel *semakptr, struct label *semaklabel,
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size_t accesstype);
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int (*mpo_check_sysv_shmat)(struct ucred *cred,
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struct shmid_kernel *shmsegptr,
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struct label *shmseglabel, int shmflg);
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int (*mpo_check_sysv_shmctl)(struct ucred *cred,
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struct shmid_kernel *shmsegptr,
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struct label *shmseglabel, int cmd);
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int (*mpo_check_sysv_shmdt)(struct ucred *cred,
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struct shmid_kernel *shmsegptr,
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struct label *shmseglabel);
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int (*mpo_check_sysv_shmget)(struct ucred *cred,
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struct shmid_kernel *shmsegptr,
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struct label *shmseglabel, int shmflg);
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int (*mpo_check_kenv_dump)(struct ucred *cred);
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int (*mpo_check_kenv_get)(struct ucred *cred, char *name);
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int (*mpo_check_kenv_set)(struct ucred *cred, char *name,
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char *value);
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int (*mpo_check_kenv_unset)(struct ucred *cred, char *name);
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int (*mpo_check_kld_load)(struct ucred *cred, struct vnode *vp,
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struct label *vlabel);
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int (*mpo_check_kld_stat)(struct ucred *cred);
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int (*mpo_check_kld_unload)(struct ucred *cred);
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int (*mpo_check_mount_stat)(struct ucred *cred, struct mount *mp,
|
|
struct label *mntlabel);
|
|
int (*mpo_check_pipe_ioctl)(struct ucred *cred,
|
|
struct pipepair *pp, struct label *pipelabel,
|
|
unsigned long cmd, void *data);
|
|
int (*mpo_check_pipe_poll)(struct ucred *cred,
|
|
struct pipepair *pp, struct label *pipelabel);
|
|
int (*mpo_check_pipe_read)(struct ucred *cred,
|
|
struct pipepair *pp, struct label *pipelabel);
|
|
int (*mpo_check_pipe_relabel)(struct ucred *cred,
|
|
struct pipepair *pp, struct label *pipelabel,
|
|
struct label *newlabel);
|
|
int (*mpo_check_pipe_stat)(struct ucred *cred,
|
|
struct pipepair *pp, struct label *pipelabel);
|
|
int (*mpo_check_pipe_write)(struct ucred *cred,
|
|
struct pipepair *pp, struct label *pipelabel);
|
|
int (*mpo_check_proc_debug)(struct ucred *cred,
|
|
struct proc *proc);
|
|
int (*mpo_check_proc_sched)(struct ucred *cred,
|
|
struct proc *proc);
|
|
int (*mpo_check_proc_signal)(struct ucred *cred,
|
|
struct proc *proc, int signum);
|
|
int (*mpo_check_socket_bind)(struct ucred *cred,
|
|
struct socket *so, struct label *socketlabel,
|
|
struct sockaddr *sockaddr);
|
|
int (*mpo_check_socket_connect)(struct ucred *cred,
|
|
struct socket *so, struct label *socketlabel,
|
|
struct sockaddr *sockaddr);
|
|
int (*mpo_check_socket_deliver)(struct socket *so,
|
|
struct label *socketlabel, struct mbuf *m,
|
|
struct label *mbuflabel);
|
|
int (*mpo_check_socket_listen)(struct ucred *cred,
|
|
struct socket *so, struct label *socketlabel);
|
|
int (*mpo_check_socket_receive)(struct ucred *cred,
|
|
struct socket *so, struct label *socketlabel);
|
|
int (*mpo_check_socket_relabel)(struct ucred *cred,
|
|
struct socket *so, struct label *socketlabel,
|
|
struct label *newlabel);
|
|
int (*mpo_check_socket_send)(struct ucred *cred,
|
|
struct socket *so, struct label *socketlabel);
|
|
int (*mpo_check_socket_visible)(struct ucred *cred,
|
|
struct socket *so, struct label *socketlabel);
|
|
int (*mpo_check_sysarch_ioperm)(struct ucred *cred);
|
|
int (*mpo_check_system_acct)(struct ucred *cred,
|
|
struct vnode *vp, struct label *vlabel);
|
|
int (*mpo_check_system_nfsd)(struct ucred *cred);
|
|
int (*mpo_check_system_reboot)(struct ucred *cred, int howto);
|
|
int (*mpo_check_system_settime)(struct ucred *cred);
|
|
int (*mpo_check_system_swapon)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label);
|
|
int (*mpo_check_system_swapoff)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label);
|
|
int (*mpo_check_system_sysctl)(struct ucred *cred,
|
|
struct sysctl_oid *oidp, void *arg1, int arg2,
|
|
struct sysctl_req *req);
|
|
int (*mpo_check_vnode_access)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, int acc_mode);
|
|
int (*mpo_check_vnode_chdir)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel);
|
|
int (*mpo_check_vnode_chroot)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel);
|
|
int (*mpo_check_vnode_create)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel,
|
|
struct componentname *cnp, struct vattr *vap);
|
|
int (*mpo_check_vnode_delete)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel,
|
|
struct vnode *vp, struct label *label,
|
|
struct componentname *cnp);
|
|
int (*mpo_check_vnode_deleteacl)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, acl_type_t type);
|
|
int (*mpo_check_vnode_deleteextattr)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, int attrnamespace,
|
|
const char *name);
|
|
int (*mpo_check_vnode_exec)(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, struct image_params *imgp,
|
|
struct label *execlabel);
|
|
int (*mpo_check_vnode_getacl)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, acl_type_t type);
|
|
int (*mpo_check_vnode_getextattr)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, int attrnamespace,
|
|
const char *name, struct uio *uio);
|
|
int (*mpo_check_vnode_link)(struct ucred *cred, struct vnode *dvp,
|
|
struct label *dlabel, struct vnode *vp,
|
|
struct label *label, struct componentname *cnp);
|
|
int (*mpo_check_vnode_listextattr)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, int attrnamespace);
|
|
int (*mpo_check_vnode_lookup)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel,
|
|
struct componentname *cnp);
|
|
int (*mpo_check_vnode_mmap)(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, int prot);
|
|
void (*mpo_check_vnode_mmap_downgrade)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, int *prot);
|
|
int (*mpo_check_vnode_mprotect)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, int prot);
|
|
int (*mpo_check_vnode_open)(struct ucred *cred, struct vnode *vp,
|
|
struct label *label, int acc_mode);
|
|
int (*mpo_check_vnode_poll)(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp,
|
|
struct label *label);
|
|
int (*mpo_check_vnode_read)(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp,
|
|
struct label *label);
|
|
int (*mpo_check_vnode_readdir)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel);
|
|
int (*mpo_check_vnode_readlink)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label);
|
|
int (*mpo_check_vnode_relabel)(struct ucred *cred,
|
|
struct vnode *vp, struct label *vnodelabel,
|
|
struct label *newlabel);
|
|
int (*mpo_check_vnode_rename_from)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel, struct vnode *vp,
|
|
struct label *label, struct componentname *cnp);
|
|
int (*mpo_check_vnode_rename_to)(struct ucred *cred,
|
|
struct vnode *dvp, struct label *dlabel, struct vnode *vp,
|
|
struct label *label, int samedir,
|
|
struct componentname *cnp);
|
|
int (*mpo_check_vnode_revoke)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label);
|
|
int (*mpo_check_vnode_setacl)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, acl_type_t type,
|
|
struct acl *acl);
|
|
int (*mpo_check_vnode_setextattr)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, int attrnamespace,
|
|
const char *name, struct uio *uio);
|
|
int (*mpo_check_vnode_setflags)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, u_long flags);
|
|
int (*mpo_check_vnode_setmode)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, mode_t mode);
|
|
int (*mpo_check_vnode_setowner)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label, uid_t uid,
|
|
gid_t gid);
|
|
int (*mpo_check_vnode_setutimes)(struct ucred *cred,
|
|
struct vnode *vp, struct label *label,
|
|
struct timespec atime, struct timespec mtime);
|
|
int (*mpo_check_vnode_stat)(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp,
|
|
struct label *label);
|
|
int (*mpo_check_vnode_write)(struct ucred *active_cred,
|
|
struct ucred *file_cred, struct vnode *vp,
|
|
struct label *label);
|
|
};
|
|
|
|
/*
|
|
* struct mac_policy_conf is the registration structure for policies, and is
|
|
* provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT
|
|
* to register the policy. In general, the fields are immutable, with the
|
|
* exception of the "security field", run-time flags, and policy list entry,
|
|
* which are managed by the MAC Framework. Be careful when modifying this
|
|
* structure, as its layout is statically compiled into all policies.
|
|
*/
|
|
struct mac_policy_conf {
|
|
char *mpc_name; /* policy name */
|
|
char *mpc_fullname; /* policy full name */
|
|
struct mac_policy_ops *mpc_ops; /* policy operations */
|
|
int mpc_loadtime_flags; /* flags */
|
|
int *mpc_field_off; /* security field */
|
|
int mpc_runtime_flags; /* flags */
|
|
LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */
|
|
};
|
|
|
|
/* Flags for the mpc_loadtime_flags field. */
|
|
#define MPC_LOADTIME_FLAG_NOTLATE 0x00000001
|
|
#define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002
|
|
#define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004
|
|
|
|
/* Flags for the mpc_runtime_flags field. */
|
|
#define MPC_RUNTIME_FLAG_REGISTERED 0x00000001
|
|
|
|
#define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \
|
|
static struct mac_policy_conf mpname##_mac_policy_conf = { \
|
|
#mpname, \
|
|
mpfullname, \
|
|
mpops, \
|
|
mpflags, \
|
|
privdata_wanted, \
|
|
0, \
|
|
}; \
|
|
static moduledata_t mpname##_mod = { \
|
|
#mpname, \
|
|
mac_policy_modevent, \
|
|
&mpname##_mac_policy_conf \
|
|
}; \
|
|
MODULE_DEPEND(mpname, kernel_mac_support, 2, 2, 2); \
|
|
DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \
|
|
SI_ORDER_MIDDLE)
|
|
|
|
int mac_policy_modevent(module_t mod, int type, void *data);
|
|
|
|
#define LABEL_TO_SLOT(l, s) (l)->l_perpolicy[s]
|
|
|
|
#endif /* !_SYS_MAC_POLICY_H_ */
|