freebsd-nq/sys/security/mac/mac_policy.h
Robert Watson f1e8bf6dd4 Add a new MAC framework and policy entry point,
mpo_check_proc_setaudit_addr to be used when controlling use of
setaudit_addr(), rather than mpo_check_proc_setaudit(), which takes a
different argument type.

Reviewed by:	csjp
Approved by:	re (kensmith)
2007-06-26 14:14:01 +00:00

980 lines
44 KiB
C

/*-
* Copyright (c) 1999-2002 Robert N. M. Watson
* Copyright (c) 2001-2005 Networks Associates Technology, Inc.
* Copyright (c) 2005-2006 SPARTA, Inc.
* All rights reserved.
*
* This software was developed by Robert Watson for the TrustedBSD Project.
*
* This software was developed for the FreeBSD Project in part by Network
* Associates Laboratories, the Security Research Division of Network
* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
* as part of the DARPA CHATS research program.
*
* This software was enhanced by SPARTA ISSO under SPAWAR contract
* N66001-04-C-6019 ("SEFOS").
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* Kernel interface for MAC policy modules.
*/
#ifndef _SYS_SECURITY_MAC_MAC_POLICY_H_
#define _SYS_SECURITY_MAC_MAC_POLICY_H_
#ifndef _KERNEL
#error "no user-serviceable parts inside"
#endif
/*-
* Pluggable access control policy definition structure.
*
* List of operations that are performed as part of the implementation of a
* MAC policy. Policy implementors declare operations with a mac_policy_ops
* structure, and using the MAC_POLICY_SET() macro. If an entry point is not
* declared, then then the policy will be ignored during evaluation of that
* event or check.
*
* Operations are sorted first by general class of operation, then
* alphabetically.
*/
#include <sys/acl.h> /* XXX acl_type_t */
struct acl;
struct auditinfo;
struct bpf_d;
struct cdev;
struct componentname;
struct devfs_dirent;
struct ifnet;
struct image_params;
struct inpcb;
struct ipq;
struct ksem;
struct label;
struct mac_policy_conf;
struct mbuf;
struct mount;
struct msg;
struct msqid_kernel;
struct pipepair;
struct proc;
struct sbuf;
struct semid_kernel;
struct shmid_kernel;
struct sockaddr;
struct socket;
struct sysctl_oid;
struct sysctl_req;
struct thread;
struct ucred;
struct uio;
struct vattr;
struct vnode;
/*
* Policy module operations.
*/
typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc);
typedef void (*mpo_init_t)(struct mac_policy_conf *mpc);
/*
* General policy-directed security system call so that policies may
* implement new services without reserving explicit system call numbers.
*/
typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg);
/*
* Place-holder function pointers for ABI-compatibility purposes.
*/
typedef void (*mpo_placeholder_t)(void);
/*
* Label operations. Initialize label storage, destroy label storage,
* recycle for re-use without init/destroy, copy a label to initialized
* storage, and externalize/internalize from/to initialized storage.
*/
typedef void (*mpo_init_bpfdesc_label_t)(struct label *label);
typedef void (*mpo_init_cred_label_t)(struct label *label);
typedef void (*mpo_init_devfs_label_t)(struct label *label);
typedef void (*mpo_init_ifnet_label_t)(struct label *label);
typedef int (*mpo_init_inpcb_label_t)(struct label *label, int flag);
typedef void (*mpo_init_sysv_msgmsg_label_t)(struct label *label);
typedef void (*mpo_init_sysv_msgqueue_label_t)(struct label *label);
typedef void (*mpo_init_sysv_sem_label_t)(struct label *label);
typedef void (*mpo_init_sysv_shm_label_t)(struct label *label);
typedef int (*mpo_init_ipq_label_t)(struct label *label, int flag);
typedef int (*mpo_init_mbuf_label_t)(struct label *label, int flag);
typedef void (*mpo_init_mount_label_t)(struct label *label);
typedef int (*mpo_init_socket_label_t)(struct label *label, int flag);
typedef int (*mpo_init_socket_peer_label_t)(struct label *label,
int flag);
typedef void (*mpo_init_pipe_label_t)(struct label *label);
typedef void (*mpo_init_posix_sem_label_t)(struct label *label);
typedef void (*mpo_init_proc_label_t)(struct label *label);
typedef void (*mpo_init_vnode_label_t)(struct label *label);
typedef void (*mpo_destroy_bpfdesc_label_t)(struct label *label);
typedef void (*mpo_destroy_cred_label_t)(struct label *label);
typedef void (*mpo_destroy_devfs_label_t)(struct label *label);
typedef void (*mpo_destroy_ifnet_label_t)(struct label *label);
typedef void (*mpo_destroy_inpcb_label_t)(struct label *label);
typedef void (*mpo_destroy_sysv_msgmsg_label_t)(struct label *label);
typedef void (*mpo_destroy_sysv_msgqueue_label_t)(struct label *label);
typedef void (*mpo_destroy_sysv_sem_label_t)(struct label *label);
typedef void (*mpo_destroy_sysv_shm_label_t)(struct label *label);
typedef void (*mpo_destroy_ipq_label_t)(struct label *label);
typedef void (*mpo_destroy_mbuf_label_t)(struct label *label);
typedef void (*mpo_destroy_mount_label_t)(struct label *label);
typedef void (*mpo_destroy_socket_label_t)(struct label *label);
typedef void (*mpo_destroy_socket_peer_label_t)(struct label *label);
typedef void (*mpo_destroy_pipe_label_t)(struct label *label);
typedef void (*mpo_destroy_posix_sem_label_t)(struct label *label);
typedef void (*mpo_destroy_proc_label_t)(struct label *label);
typedef void (*mpo_destroy_vnode_label_t)(struct label *label);
typedef void (*mpo_cleanup_sysv_msgmsg_t)(struct label *msglabel);
typedef void (*mpo_cleanup_sysv_msgqueue_t)(struct label *msqlabel);
typedef void (*mpo_cleanup_sysv_sem_t)(struct label *semalabel);
typedef void (*mpo_cleanup_sysv_shm_t)(struct label *shmlabel);
typedef void (*mpo_copy_cred_label_t)(struct label *src,
struct label *dest);
typedef void (*mpo_copy_ifnet_label_t)(struct label *src,
struct label *dest);
typedef void (*mpo_copy_mbuf_label_t)(struct label *src,
struct label *dest);
typedef void (*mpo_copy_pipe_label_t)(struct label *src,
struct label *dest);
typedef void (*mpo_copy_socket_label_t)(struct label *src,
struct label *dest);
typedef void (*mpo_copy_vnode_label_t)(struct label *src,
struct label *dest);
typedef int (*mpo_externalize_cred_label_t)(struct label *label,
char *element_name, struct sbuf *sb, int *claimed);
typedef int (*mpo_externalize_ifnet_label_t)(struct label *label,
char *element_name, struct sbuf *sb, int *claimed);
typedef int (*mpo_externalize_pipe_label_t)(struct label *label,
char *element_name, struct sbuf *sb, int *claimed);
typedef int (*mpo_externalize_socket_label_t)(struct label *label,
char *element_name, struct sbuf *sb, int *claimed);
typedef int (*mpo_externalize_socket_peer_label_t)(struct label *label,
char *element_name, struct sbuf *sb, int *claimed);
typedef int (*mpo_externalize_vnode_label_t)(struct label *label,
char *element_name, struct sbuf *sb, int *claimed);
typedef int (*mpo_internalize_cred_label_t)(struct label *label,
char *element_name, char *element_data, int *claimed);
typedef int (*mpo_internalize_ifnet_label_t)(struct label *label,
char *element_name, char *element_data, int *claimed);
typedef int (*mpo_internalize_pipe_label_t)(struct label *label,
char *element_name, char *element_data, int *claimed);
typedef int (*mpo_internalize_socket_label_t)(struct label *label,
char *element_name, char *element_data, int *claimed);
typedef int (*mpo_internalize_vnode_label_t)(struct label *label,
char *element_name, char *element_data, int *claimed);
/*
* Labeling event operations: file system objects, and things that look a lot
* like file system objects.
*/
typedef void (*mpo_associate_vnode_devfs_t)(struct mount *mp,
struct label *mplabel, struct devfs_dirent *de,
struct label *delabel, struct vnode *vp,
struct label *vplabel);
typedef int (*mpo_associate_vnode_extattr_t)(struct mount *mp,
struct label *mplabel, struct vnode *vp,
struct label *vplabel);
typedef void (*mpo_associate_vnode_singlelabel_t)(struct mount *mp,
struct label *mplabel, struct vnode *vp,
struct label *vplabel);
typedef void (*mpo_create_devfs_device_t)(struct ucred *cred,
struct mount *mp, struct cdev *dev,
struct devfs_dirent *de, struct label *delabel);
typedef void (*mpo_create_devfs_directory_t)(struct mount *mp,
char *dirname, int dirnamelen, struct devfs_dirent *de,
struct label *delabel);
typedef void (*mpo_create_devfs_symlink_t)(struct ucred *cred,
struct mount *mp, struct devfs_dirent *dd,
struct label *ddlabel, struct devfs_dirent *de,
struct label *delabel);
typedef int (*mpo_create_vnode_extattr_t)(struct ucred *cred,
struct mount *mp, struct label *mplabel,
struct vnode *dvp, struct label *dvplabel,
struct vnode *vp, struct label *vplabel,
struct componentname *cnp);
typedef void (*mpo_create_mount_t)(struct ucred *cred, struct mount *mp,
struct label *mplabel);
typedef void (*mpo_relabel_vnode_t)(struct ucred *cred, struct vnode *vp,
struct label *vplabel, struct label *label);
typedef int (*mpo_setlabel_vnode_extattr_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
struct label *intlabel);
typedef void (*mpo_update_devfs_t)(struct mount *mp,
struct devfs_dirent *de, struct label *delabel,
struct vnode *vp, struct label *vplabel);
/*
* Labeling event operations: IPC objects.
*/
typedef void (*mpo_create_mbuf_from_socket_t)(struct socket *so,
struct label *solabel, struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_create_socket_t)(struct ucred *cred, struct socket *so,
struct label *solabel);
typedef void (*mpo_create_socket_from_socket_t)(struct socket *oldso,
struct label *oldsolabel, struct socket *newso,
struct label *newsolabel);
typedef void (*mpo_relabel_socket_t)(struct ucred *cred, struct socket *so,
struct label *oldlabel, struct label *newlabel);
typedef void (*mpo_relabel_pipe_t)(struct ucred *cred, struct pipepair *pp,
struct label *oldlabel, struct label *newlabel);
typedef void (*mpo_set_socket_peer_from_mbuf_t)(struct mbuf *m,
struct label *mlabel, struct socket *so,
struct label *sopeerlabel);
typedef void (*mpo_set_socket_peer_from_socket_t)(struct socket *oldso,
struct label *oldsolabel, struct socket *newso,
struct label *newsopeerlabel);
typedef void (*mpo_create_pipe_t)(struct ucred *cred, struct pipepair *pp,
struct label *pplabel);
/*
* Labeling event operations: System V IPC primitives.
*/
typedef void (*mpo_create_sysv_msgmsg_t)(struct ucred *cred,
struct msqid_kernel *msqkptr, struct label *msqlabel,
struct msg *msgptr, struct label *msglabel);
typedef void (*mpo_create_sysv_msgqueue_t)(struct ucred *cred,
struct msqid_kernel *msqkptr, struct label *msqlabel);
typedef void (*mpo_create_sysv_sem_t)(struct ucred *cred,
struct semid_kernel *semakptr, struct label *semalabel);
typedef void (*mpo_create_sysv_shm_t)(struct ucred *cred,
struct shmid_kernel *shmsegptr, struct label *shmlabel);
/*
* Labeling event operations: POSIX (global/inter-process) semaphores.
*/
typedef void (*mpo_create_posix_sem_t)(struct ucred *cred,
struct ksem *ksemptr, struct label *ks_label);
/*
* Labeling event operations: network objects.
*/
typedef void (*mpo_create_bpfdesc_t)(struct ucred *cred,
struct bpf_d *d, struct label *dlabel);
typedef void (*mpo_create_ifnet_t)(struct ifnet *ifp,
struct label *ifplabel);
typedef void (*mpo_create_inpcb_from_socket_t)(struct socket *so,
struct label *solabel, struct inpcb *inp,
struct label *inplabel);
typedef void (*mpo_create_ipq_t)(struct mbuf *m, struct label *mlabel,
struct ipq *ipq, struct label *ipqlabel);
typedef void (*mpo_create_datagram_from_ipq)
(struct ipq *ipq, struct label *ipqlabel, struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_create_fragment_t)(struct mbuf *m,
struct label *mlabel, struct mbuf *frag,
struct label *fraglabel);
typedef void (*mpo_create_mbuf_from_inpcb_t)(struct inpcb *inp,
struct label *inplabel, struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_create_mbuf_linklayer_t)(struct ifnet *ifp,
struct label *ifplabel, struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_create_mbuf_from_bpfdesc_t)(struct bpf_d *d,
struct label *dlabel, struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_create_mbuf_from_ifnet_t)(struct ifnet *ifp,
struct label *ifplabel, struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_create_mbuf_multicast_encap_t)(struct mbuf *m,
struct label *mlabel, struct ifnet *ifp,
struct label *ifplabel, struct mbuf *mnew,
struct label *mnewlabel);
typedef void (*mpo_create_mbuf_netlayer_t)(struct mbuf *m,
struct label *mlabel, struct mbuf *mnew,
struct label *mnewlabel);
typedef int (*mpo_fragment_match_t)(struct mbuf *m, struct label *mlabel,
struct ipq *ipq, struct label *ipqlabel);
typedef void (*mpo_reflect_mbuf_icmp_t)(struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_reflect_mbuf_tcp_t)(struct mbuf *m,
struct label *mlabel);
typedef void (*mpo_relabel_ifnet_t)(struct ucred *cred, struct ifnet *ifp,
struct label *ifplabel, struct label *newlabel);
typedef void (*mpo_update_ipq_t)(struct mbuf *m, struct label *mlabel,
struct ipq *ipq, struct label *ipqlabel);
typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so,
struct label *label, struct inpcb *inp,
struct label *inplabel);
typedef void (*mpo_create_mbuf_from_firewall_t)(struct mbuf *m,
struct label *label);
typedef void (*mpo_destroy_syncache_label_t)(struct label *label);
typedef int (*mpo_init_syncache_label_t)(struct label *label, int flag);
typedef void (*mpo_init_syncache_from_inpcb_t)(struct label *label,
struct inpcb *inp);
typedef void (*mpo_create_mbuf_from_syncache_t)(struct label *sc_label,
struct mbuf *m, struct label *mlabel);
/*
* Labeling event operations: processes.
*/
typedef void (*mpo_execve_transition_t)(struct ucred *old,
struct ucred *new, struct vnode *vp,
struct label *vplabel, struct label *interpvnodelabel,
struct image_params *imgp, struct label *execlabel);
typedef int (*mpo_execve_will_transition_t)(struct ucred *old,
struct vnode *vp, struct label *vplabel,
struct label *interpvnodelabel,
struct image_params *imgp, struct label *execlabel);
typedef void (*mpo_create_proc0_t)(struct ucred *cred);
typedef void (*mpo_create_proc1_t)(struct ucred *cred);
typedef void (*mpo_relabel_cred_t)(struct ucred *cred,
struct label *newlabel);
typedef void (*mpo_thread_userret_t)(struct thread *thread);
/*
* Access control checks.
*/
typedef int (*mpo_check_bpfdesc_receive_t)(struct bpf_d *d,
struct label *dlabel, struct ifnet *ifp,
struct label *ifplabel);
typedef int (*mpo_check_cred_relabel_t)(struct ucred *cred,
struct label *newlabel);
typedef int (*mpo_check_cred_visible_t)(struct ucred *cr1,
struct ucred *cr2);
typedef int (*mpo_check_ifnet_relabel_t)(struct ucred *cred,
struct ifnet *ifp, struct label *ifplabel,
struct label *newlabel);
typedef int (*mpo_check_ifnet_transmit_t)(struct ifnet *ifp,
struct label *ifplabel, struct mbuf *m,
struct label *mlabel);
typedef int (*mpo_check_inpcb_deliver_t)(struct inpcb *inp,
struct label *inplabel, struct mbuf *m,
struct label *mlabel);
typedef int (*mpo_check_sysv_msgmsq_t)(struct ucred *cred,
struct msg *msgptr, struct label *msglabel,
struct msqid_kernel *msqkptr, struct label *msqklabel);
typedef int (*mpo_check_sysv_msgrcv_t)(struct ucred *cred,
struct msg *msgptr, struct label *msglabel);
typedef int (*mpo_check_sysv_msgrmid_t)(struct ucred *cred,
struct msg *msgptr, struct label *msglabel);
typedef int (*mpo_check_sysv_msqget_t)(struct ucred *cred,
struct msqid_kernel *msqkptr, struct label *msqklabel);
typedef int (*mpo_check_sysv_msqsnd_t)(struct ucred *cred,
struct msqid_kernel *msqkptr, struct label *msqklabel);
typedef int (*mpo_check_sysv_msqrcv_t)(struct ucred *cred,
struct msqid_kernel *msqkptr, struct label *msqklabel);
typedef int (*mpo_check_sysv_msqctl_t)(struct ucred *cred,
struct msqid_kernel *msqkptr, struct label *msqklabel,
int cmd);
typedef int (*mpo_check_sysv_semctl_t)(struct ucred *cred,
struct semid_kernel *semakptr, struct label *semaklabel,
int cmd);
typedef int (*mpo_check_sysv_semget_t)(struct ucred *cred,
struct semid_kernel *semakptr, struct label *semaklabel);
typedef int (*mpo_check_sysv_semop_t)(struct ucred *cred,
struct semid_kernel *semakptr, struct label *semaklabel,
size_t accesstype);
typedef int (*mpo_check_sysv_shmat_t)(struct ucred *cred,
struct shmid_kernel *shmsegptr,
struct label *shmseglabel, int shmflg);
typedef int (*mpo_check_sysv_shmctl_t)(struct ucred *cred,
struct shmid_kernel *shmsegptr,
struct label *shmseglabel, int cmd);
typedef int (*mpo_check_sysv_shmdt_t)(struct ucred *cred,
struct shmid_kernel *shmsegptr,
struct label *shmseglabel);
typedef int (*mpo_check_sysv_shmget_t)(struct ucred *cred,
struct shmid_kernel *shmsegptr,
struct label *shmseglabel, int shmflg);
typedef int (*mpo_check_kenv_dump_t)(struct ucred *cred);
typedef int (*mpo_check_kenv_get_t)(struct ucred *cred, char *name);
typedef int (*mpo_check_kenv_set_t)(struct ucred *cred, char *name,
char *value);
typedef int (*mpo_check_kenv_unset_t)(struct ucred *cred, char *name);
typedef int (*mpo_check_kld_load_t)(struct ucred *cred, struct vnode *vp,
struct label *vplabel);
typedef int (*mpo_check_kld_stat_t)(struct ucred *cred);
typedef int (*mpo_mpo_placeholder19_t)(void);
typedef int (*mpo_mpo_placeholder20_t)(void);
typedef int (*mpo_check_mount_stat_t)(struct ucred *cred,
struct mount *mp, struct label *mplabel);
typedef int (*mpo_mpo_placeholder21_t)(void);
typedef int (*mpo_check_pipe_ioctl_t)(struct ucred *cred,
struct pipepair *pp, struct label *pplabel,
unsigned long cmd, void *data);
typedef int (*mpo_check_pipe_poll_t)(struct ucred *cred,
struct pipepair *pp, struct label *pplabel);
typedef int (*mpo_check_pipe_read_t)(struct ucred *cred,
struct pipepair *pp, struct label *pplabel);
typedef int (*mpo_check_pipe_relabel_t)(struct ucred *cred,
struct pipepair *pp, struct label *pplabel,
struct label *newlabel);
typedef int (*mpo_check_pipe_stat_t)(struct ucred *cred,
struct pipepair *pp, struct label *pplabel);
typedef int (*mpo_check_pipe_write_t)(struct ucred *cred,
struct pipepair *pp, struct label *pplabel);
typedef int (*mpo_check_posix_sem_destroy_t)(struct ucred *cred,
struct ksem *ksemptr, struct label *ks_label);
typedef int (*mpo_check_posix_sem_getvalue_t)(struct ucred *cred,
struct ksem *ksemptr, struct label *ks_label);
typedef int (*mpo_check_posix_sem_open_t)(struct ucred *cred,
struct ksem *ksemptr, struct label *ks_label);
typedef int (*mpo_check_posix_sem_post_t)(struct ucred *cred,
struct ksem *ksemptr, struct label *ks_label);
typedef int (*mpo_check_posix_sem_unlink_t)(struct ucred *cred,
struct ksem *ksemptr, struct label *ks_label);
typedef int (*mpo_check_posix_sem_wait_t)(struct ucred *cred,
struct ksem *ksemptr, struct label *ks_label);
typedef int (*mpo_check_proc_debug_t)(struct ucred *cred,
struct proc *p);
typedef int (*mpo_check_proc_sched_t)(struct ucred *cred,
struct proc *p);
typedef int (*mpo_check_proc_setaudit_t)(struct ucred *cred,
struct auditinfo *ai);
typedef int (*mpo_check_proc_setaudit_addr_t)(struct ucred *cred,
struct auditinfo_addr *aia);
typedef int (*mpo_check_proc_setauid_t)(struct ucred *cred, uid_t auid);
typedef int (*mpo_check_proc_setuid_t)(struct ucred *cred, uid_t uid);
typedef int (*mpo_check_proc_seteuid_t)(struct ucred *cred, uid_t euid);
typedef int (*mpo_check_proc_setgid_t)(struct ucred *cred, gid_t gid);
typedef int (*mpo_check_proc_setegid_t)(struct ucred *cred, gid_t egid);
typedef int (*mpo_check_proc_setgroups_t)(struct ucred *cred, int ngroups,
gid_t *gidset);
typedef int (*mpo_check_proc_setreuid_t)(struct ucred *cred, uid_t ruid,
uid_t euid);
typedef int (*mpo_check_proc_setregid_t)(struct ucred *cred, gid_t rgid,
gid_t egid);
typedef int (*mpo_check_proc_setresuid_t)(struct ucred *cred, uid_t ruid,
uid_t euid, uid_t suid);
typedef int (*mpo_check_proc_setresgid_t)(struct ucred *cred, gid_t rgid,
gid_t egid, gid_t sgid);
typedef int (*mpo_check_proc_signal_t)(struct ucred *cred,
struct proc *proc, int signum);
typedef int (*mpo_check_proc_wait_t)(struct ucred *cred,
struct proc *proc);
typedef int (*mpo_check_socket_accept_t)(struct ucred *cred,
struct socket *so, struct label *solabel);
typedef int (*mpo_check_socket_bind_t)(struct ucred *cred,
struct socket *so, struct label *solabel,
struct sockaddr *sa);
typedef int (*mpo_check_socket_connect_t)(struct ucred *cred,
struct socket *so, struct label *solabel,
struct sockaddr *sa);
typedef int (*mpo_check_socket_create_t)(struct ucred *cred, int domain,
int type, int protocol);
typedef int (*mpo_check_socket_deliver_t)(struct socket *so,
struct label *solabel, struct mbuf *m,
struct label *mlabel);
typedef int (*mpo_check_socket_listen_t)(struct ucred *cred,
struct socket *so, struct label *solabel);
typedef int (*mpo_check_socket_poll_t)(struct ucred *cred,
struct socket *so, struct label *solabel);
typedef int (*mpo_check_socket_receive_t)(struct ucred *cred,
struct socket *so, struct label *solabel);
typedef int (*mpo_check_socket_relabel_t)(struct ucred *cred,
struct socket *so, struct label *solabel,
struct label *newlabel);
typedef int (*mpo_check_socket_send_t)(struct ucred *cred,
struct socket *so, struct label *solabel);
typedef int (*mpo_check_socket_stat_t)(struct ucred *cred,
struct socket *so, struct label *solabel);
typedef int (*mpo_check_socket_visible_t)(struct ucred *cred,
struct socket *so, struct label *solabel);
typedef int (*mpo_check_system_acct_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel);
typedef int (*mpo_check_system_audit_t)(struct ucred *cred, void *record,
int length);
typedef int (*mpo_check_system_auditctl_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel);
typedef int (*mpo_check_system_auditon_t)(struct ucred *cred, int cmd);
typedef int (*mpo_check_system_reboot_t)(struct ucred *cred, int howto);
typedef int (*mpo_check_system_swapon_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel);
typedef int (*mpo_check_system_swapoff_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel);
typedef int (*mpo_check_system_sysctl_t)(struct ucred *cred,
struct sysctl_oid *oidp, void *arg1, int arg2,
struct sysctl_req *req);
typedef int (*mpo_check_vnode_access_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, int acc_mode);
typedef int (*mpo_check_vnode_chdir_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel);
typedef int (*mpo_check_vnode_chroot_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel);
typedef int (*mpo_check_vnode_create_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel,
struct componentname *cnp, struct vattr *vap);
typedef int (*mpo_check_vnode_delete_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel,
struct vnode *vp, struct label *vplabel,
struct componentname *cnp);
typedef int (*mpo_check_vnode_deleteacl_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
acl_type_t type);
typedef int (*mpo_check_vnode_deleteextattr_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
int attrnamespace, const char *name);
typedef int (*mpo_check_vnode_exec_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
struct image_params *imgp, struct label *execlabel);
typedef int (*mpo_check_vnode_getacl_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
acl_type_t type);
typedef int (*mpo_check_vnode_getextattr_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
int attrnamespace, const char *name, struct uio *uio);
typedef int (*mpo_check_vnode_link_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel,
struct vnode *vp, struct label *vplabel,
struct componentname *cnp);
typedef int (*mpo_check_vnode_listextattr_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
int attrnamespace);
typedef int (*mpo_check_vnode_lookup_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel,
struct componentname *cnp);
typedef int (*mpo_check_vnode_mmap_t)(struct ucred *cred,
struct vnode *vp, struct label *label, int prot,
int flags);
typedef void (*mpo_check_vnode_mmap_downgrade_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, int *prot);
typedef int (*mpo_check_vnode_mprotect_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, int prot);
typedef int (*mpo_check_vnode_open_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, int acc_mode);
typedef int (*mpo_check_vnode_poll_t)(struct ucred *active_cred,
struct ucred *file_cred, struct vnode *vp,
struct label *vplabel);
typedef int (*mpo_check_vnode_read_t)(struct ucred *active_cred,
struct ucred *file_cred, struct vnode *vp,
struct label *vplabel);
typedef int (*mpo_check_vnode_readdir_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel);
typedef int (*mpo_check_vnode_readlink_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel);
typedef int (*mpo_check_vnode_relabel_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
struct label *newlabel);
typedef int (*mpo_check_vnode_rename_from_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel,
struct vnode *vp, struct label *vplabel,
struct componentname *cnp);
typedef int (*mpo_check_vnode_rename_to_t)(struct ucred *cred,
struct vnode *dvp, struct label *dvplabel,
struct vnode *vp, struct label *vplabel, int samedir,
struct componentname *cnp);
typedef int (*mpo_check_vnode_revoke_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel);
typedef int (*mpo_check_vnode_setacl_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, acl_type_t type,
struct acl *acl);
typedef int (*mpo_check_vnode_setextattr_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
int attrnamespace, const char *name, struct uio *uio);
typedef int (*mpo_check_vnode_setflags_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, u_long flags);
typedef int (*mpo_check_vnode_setmode_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, mode_t mode);
typedef int (*mpo_check_vnode_setowner_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel, uid_t uid,
gid_t gid);
typedef int (*mpo_check_vnode_setutimes_t)(struct ucred *cred,
struct vnode *vp, struct label *vplabel,
struct timespec atime, struct timespec mtime);
typedef int (*mpo_check_vnode_stat_t)(struct ucred *active_cred,
struct ucred *file_cred, struct vnode *vp,
struct label *vplabel);
typedef int (*mpo_check_vnode_write_t)(struct ucred *active_cred,
struct ucred *file_cred, struct vnode *vp,
struct label *vplabel);
typedef void (*mpo_associate_nfsd_label_t)(struct ucred *cred);
typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv);
typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv);
struct mac_policy_ops {
/*
* Policy module operations.
*/
mpo_destroy_t mpo_destroy;
mpo_init_t mpo_init;
/*
* General policy-directed security system call so that policies may
* implement new services without reserving explicit system call
* numbers.
*/
mpo_syscall_t mpo_syscall;
/*
* Label operations. Initialize label storage, destroy label
* storage, recycle for re-use without init/destroy, copy a label to
* initialized storage, and externalize/internalize from/to
* initialized storage.
*/
mpo_init_bpfdesc_label_t mpo_init_bpfdesc_label;
mpo_init_cred_label_t mpo_init_cred_label;
mpo_init_devfs_label_t mpo_init_devfs_label;
mpo_placeholder_t _mpo_placeholder0;
mpo_init_ifnet_label_t mpo_init_ifnet_label;
mpo_init_inpcb_label_t mpo_init_inpcb_label;
mpo_init_sysv_msgmsg_label_t mpo_init_sysv_msgmsg_label;
mpo_init_sysv_msgqueue_label_t mpo_init_sysv_msgqueue_label;
mpo_init_sysv_sem_label_t mpo_init_sysv_sem_label;
mpo_init_sysv_shm_label_t mpo_init_sysv_shm_label;
mpo_init_ipq_label_t mpo_init_ipq_label;
mpo_init_mbuf_label_t mpo_init_mbuf_label;
mpo_init_mount_label_t mpo_init_mount_label;
mpo_init_socket_label_t mpo_init_socket_label;
mpo_init_socket_peer_label_t mpo_init_socket_peer_label;
mpo_init_pipe_label_t mpo_init_pipe_label;
mpo_init_posix_sem_label_t mpo_init_posix_sem_label;
mpo_init_proc_label_t mpo_init_proc_label;
mpo_init_vnode_label_t mpo_init_vnode_label;
mpo_destroy_bpfdesc_label_t mpo_destroy_bpfdesc_label;
mpo_destroy_cred_label_t mpo_destroy_cred_label;
mpo_destroy_devfs_label_t mpo_destroy_devfs_label;
mpo_placeholder_t _mpo_placeholder1;
mpo_destroy_ifnet_label_t mpo_destroy_ifnet_label;
mpo_destroy_inpcb_label_t mpo_destroy_inpcb_label;
mpo_destroy_sysv_msgmsg_label_t mpo_destroy_sysv_msgmsg_label;
mpo_destroy_sysv_msgqueue_label_t mpo_destroy_sysv_msgqueue_label;
mpo_destroy_sysv_sem_label_t mpo_destroy_sysv_sem_label;
mpo_destroy_sysv_shm_label_t mpo_destroy_sysv_shm_label;
mpo_destroy_ipq_label_t mpo_destroy_ipq_label;
mpo_destroy_mbuf_label_t mpo_destroy_mbuf_label;
mpo_destroy_mount_label_t mpo_destroy_mount_label;
mpo_destroy_socket_label_t mpo_destroy_socket_label;
mpo_destroy_socket_peer_label_t mpo_destroy_socket_peer_label;
mpo_destroy_pipe_label_t mpo_destroy_pipe_label;
mpo_destroy_posix_sem_label_t mpo_destroy_posix_sem_label;
mpo_destroy_proc_label_t mpo_destroy_proc_label;
mpo_destroy_vnode_label_t mpo_destroy_vnode_label;
mpo_cleanup_sysv_msgmsg_t mpo_cleanup_sysv_msgmsg;
mpo_cleanup_sysv_msgqueue_t mpo_cleanup_sysv_msgqueue;
mpo_cleanup_sysv_sem_t mpo_cleanup_sysv_sem;
mpo_cleanup_sysv_shm_t mpo_cleanup_sysv_shm;
mpo_copy_cred_label_t mpo_copy_cred_label;
mpo_copy_ifnet_label_t mpo_copy_ifnet_label;
mpo_copy_mbuf_label_t mpo_copy_mbuf_label;
mpo_placeholder_t _mpo_placeholder2;
mpo_copy_pipe_label_t mpo_copy_pipe_label;
mpo_copy_socket_label_t mpo_copy_socket_label;
mpo_copy_vnode_label_t mpo_copy_vnode_label;
mpo_externalize_cred_label_t mpo_externalize_cred_label;
mpo_externalize_ifnet_label_t mpo_externalize_ifnet_label;
mpo_placeholder_t _mpo_placeholder3;
mpo_externalize_pipe_label_t mpo_externalize_pipe_label;
mpo_externalize_socket_label_t mpo_externalize_socket_label;
mpo_externalize_socket_peer_label_t mpo_externalize_socket_peer_label;
mpo_externalize_vnode_label_t mpo_externalize_vnode_label;
mpo_internalize_cred_label_t mpo_internalize_cred_label;
mpo_internalize_ifnet_label_t mpo_internalize_ifnet_label;
mpo_placeholder_t _mpo_placeholder4;
mpo_internalize_pipe_label_t mpo_internalize_pipe_label;
mpo_internalize_socket_label_t mpo_internalize_socket_label;
mpo_internalize_vnode_label_t mpo_internalize_vnode_label;
/*
* Labeling event operations: file system objects, and things that
* look a lot like file system objects.
*/
mpo_associate_vnode_devfs_t mpo_associate_vnode_devfs;
mpo_associate_vnode_extattr_t mpo_associate_vnode_extattr;
mpo_associate_vnode_singlelabel_t mpo_associate_vnode_singlelabel;
mpo_create_devfs_device_t mpo_create_devfs_device;
mpo_create_devfs_directory_t mpo_create_devfs_directory;
mpo_create_devfs_symlink_t mpo_create_devfs_symlink;
mpo_placeholder_t _mpo_placeholder5;
mpo_create_vnode_extattr_t mpo_create_vnode_extattr;
mpo_create_mount_t mpo_create_mount;
mpo_relabel_vnode_t mpo_relabel_vnode;
mpo_setlabel_vnode_extattr_t mpo_setlabel_vnode_extattr;
mpo_update_devfs_t mpo_update_devfs;
/*
* Labeling event operations: IPC objects.
*/
mpo_create_mbuf_from_socket_t mpo_create_mbuf_from_socket;
mpo_create_socket_t mpo_create_socket;
mpo_create_socket_from_socket_t mpo_create_socket_from_socket;
mpo_relabel_socket_t mpo_relabel_socket;
mpo_relabel_pipe_t mpo_relabel_pipe;
mpo_set_socket_peer_from_mbuf_t mpo_set_socket_peer_from_mbuf;
mpo_set_socket_peer_from_socket_t mpo_set_socket_peer_from_socket;
mpo_create_pipe_t mpo_create_pipe;
/*
* Labeling event operations: System V IPC primitives.
*/
mpo_create_sysv_msgmsg_t mpo_create_sysv_msgmsg;
mpo_create_sysv_msgqueue_t mpo_create_sysv_msgqueue;
mpo_create_sysv_sem_t mpo_create_sysv_sem;
mpo_create_sysv_shm_t mpo_create_sysv_shm;
/*
* Labeling event operations: POSIX (global/inter-process) semaphores.
*/
mpo_create_posix_sem_t mpo_create_posix_sem;
/*
* Labeling event operations: network objects.
*/
mpo_create_bpfdesc_t mpo_create_bpfdesc;
mpo_create_ifnet_t mpo_create_ifnet;
mpo_create_inpcb_from_socket_t mpo_create_inpcb_from_socket;
mpo_create_ipq_t mpo_create_ipq;
mpo_create_datagram_from_ipq mpo_create_datagram_from_ipq;
mpo_create_fragment_t mpo_create_fragment;
mpo_create_mbuf_from_inpcb_t mpo_create_mbuf_from_inpcb;
mpo_create_mbuf_linklayer_t mpo_create_mbuf_linklayer;
mpo_create_mbuf_from_bpfdesc_t mpo_create_mbuf_from_bpfdesc;
mpo_create_mbuf_from_ifnet_t mpo_create_mbuf_from_ifnet;
mpo_create_mbuf_multicast_encap_t mpo_create_mbuf_multicast_encap;
mpo_create_mbuf_netlayer_t mpo_create_mbuf_netlayer;
mpo_fragment_match_t mpo_fragment_match;
mpo_reflect_mbuf_icmp_t mpo_reflect_mbuf_icmp;
mpo_reflect_mbuf_tcp_t mpo_reflect_mbuf_tcp;
mpo_relabel_ifnet_t mpo_relabel_ifnet;
mpo_update_ipq_t mpo_update_ipq;
mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel;
/*
* Labeling event operations: processes.
*/
mpo_execve_transition_t mpo_execve_transition;
mpo_execve_will_transition_t mpo_execve_will_transition;
mpo_create_proc0_t mpo_create_proc0;
mpo_create_proc1_t mpo_create_proc1;
mpo_relabel_cred_t mpo_relabel_cred;
mpo_placeholder_t _mpo_placeholder6;
mpo_thread_userret_t mpo_thread_userret;
/*
* Access control checks.
*/
mpo_check_bpfdesc_receive_t mpo_check_bpfdesc_receive;
mpo_placeholder_t _mpo_placeholder7;
mpo_check_cred_relabel_t mpo_check_cred_relabel;
mpo_check_cred_visible_t mpo_check_cred_visible;
mpo_placeholder_t _mpo_placeholder8;
mpo_placeholder_t _mpo_placeholder9;
mpo_placeholder_t _mpo_placeholder10;
mpo_placeholder_t _mpo_placeholder11;
mpo_placeholder_t _mpo_placeholder12;
mpo_placeholder_t _mpo_placeholder13;
mpo_placeholder_t _mpo_placeholder14;
mpo_placeholder_t _mpo_placeholder15;
mpo_placeholder_t _mpo_placeholder16;
mpo_placeholder_t _mpo_placeholder17;
mpo_placeholder_t _mpo_placeholder18;
mpo_check_ifnet_relabel_t mpo_check_ifnet_relabel;
mpo_check_ifnet_transmit_t mpo_check_ifnet_transmit;
mpo_check_inpcb_deliver_t mpo_check_inpcb_deliver;
mpo_check_sysv_msgmsq_t mpo_check_sysv_msgmsq;
mpo_check_sysv_msgrcv_t mpo_check_sysv_msgrcv;
mpo_check_sysv_msgrmid_t mpo_check_sysv_msgrmid;
mpo_check_sysv_msqget_t mpo_check_sysv_msqget;
mpo_check_sysv_msqsnd_t mpo_check_sysv_msqsnd;
mpo_check_sysv_msqrcv_t mpo_check_sysv_msqrcv;
mpo_check_sysv_msqctl_t mpo_check_sysv_msqctl;
mpo_check_sysv_semctl_t mpo_check_sysv_semctl;
mpo_check_sysv_semget_t mpo_check_sysv_semget;
mpo_check_sysv_semop_t mpo_check_sysv_semop;
mpo_check_sysv_shmat_t mpo_check_sysv_shmat;
mpo_check_sysv_shmctl_t mpo_check_sysv_shmctl;
mpo_check_sysv_shmdt_t mpo_check_sysv_shmdt;
mpo_check_sysv_shmget_t mpo_check_sysv_shmget;
mpo_check_kenv_dump_t mpo_check_kenv_dump;
mpo_check_kenv_get_t mpo_check_kenv_get;
mpo_check_kenv_set_t mpo_check_kenv_set;
mpo_check_kenv_unset_t mpo_check_kenv_unset;
mpo_check_kld_load_t mpo_check_kld_load;
mpo_check_kld_stat_t mpo_check_kld_stat;
mpo_placeholder_t _mpo_placeholder19;
mpo_placeholder_t _mpo_placeholder20;
mpo_check_mount_stat_t mpo_check_mount_stat;
mpo_placeholder_t _mpo_placeholder_21;
mpo_check_pipe_ioctl_t mpo_check_pipe_ioctl;
mpo_check_pipe_poll_t mpo_check_pipe_poll;
mpo_check_pipe_read_t mpo_check_pipe_read;
mpo_check_pipe_relabel_t mpo_check_pipe_relabel;
mpo_check_pipe_stat_t mpo_check_pipe_stat;
mpo_check_pipe_write_t mpo_check_pipe_write;
mpo_check_posix_sem_destroy_t mpo_check_posix_sem_destroy;
mpo_check_posix_sem_getvalue_t mpo_check_posix_sem_getvalue;
mpo_check_posix_sem_open_t mpo_check_posix_sem_open;
mpo_check_posix_sem_post_t mpo_check_posix_sem_post;
mpo_check_posix_sem_unlink_t mpo_check_posix_sem_unlink;
mpo_check_posix_sem_wait_t mpo_check_posix_sem_wait;
mpo_check_proc_debug_t mpo_check_proc_debug;
mpo_check_proc_sched_t mpo_check_proc_sched;
mpo_check_proc_setaudit_t mpo_check_proc_setaudit;
mpo_check_proc_setaudit_addr_t mpo_check_proc_setaudit_addr;
mpo_check_proc_setauid_t mpo_check_proc_setauid;
mpo_check_proc_setuid_t mpo_check_proc_setuid;
mpo_check_proc_seteuid_t mpo_check_proc_seteuid;
mpo_check_proc_setgid_t mpo_check_proc_setgid;
mpo_check_proc_setegid_t mpo_check_proc_setegid;
mpo_check_proc_setgroups_t mpo_check_proc_setgroups;
mpo_check_proc_setreuid_t mpo_check_proc_setreuid;
mpo_check_proc_setregid_t mpo_check_proc_setregid;
mpo_check_proc_setresuid_t mpo_check_proc_setresuid;
mpo_check_proc_setresgid_t mpo_check_proc_setresgid;
mpo_check_proc_signal_t mpo_check_proc_signal;
mpo_check_proc_wait_t mpo_check_proc_wait;
mpo_check_socket_accept_t mpo_check_socket_accept;
mpo_check_socket_bind_t mpo_check_socket_bind;
mpo_check_socket_connect_t mpo_check_socket_connect;
mpo_check_socket_create_t mpo_check_socket_create;
mpo_check_socket_deliver_t mpo_check_socket_deliver;
mpo_placeholder_t _mpo_placeholder22;
mpo_check_socket_listen_t mpo_check_socket_listen;
mpo_check_socket_poll_t mpo_check_socket_poll;
mpo_check_socket_receive_t mpo_check_socket_receive;
mpo_check_socket_relabel_t mpo_check_socket_relabel;
mpo_check_socket_send_t mpo_check_socket_send;
mpo_check_socket_stat_t mpo_check_socket_stat;
mpo_check_socket_visible_t mpo_check_socket_visible;
mpo_check_system_acct_t mpo_check_system_acct;
mpo_check_system_audit_t mpo_check_system_audit;
mpo_check_system_auditctl_t mpo_check_system_auditctl;
mpo_check_system_auditon_t mpo_check_system_auditon;
mpo_check_system_reboot_t mpo_check_system_reboot;
mpo_check_system_swapon_t mpo_check_system_swapon;
mpo_check_system_swapoff_t mpo_check_system_swapoff;
mpo_check_system_sysctl_t mpo_check_system_sysctl;
mpo_placeholder_t _mpo_placeholder23;
mpo_check_vnode_access_t mpo_check_vnode_access;
mpo_check_vnode_chdir_t mpo_check_vnode_chdir;
mpo_check_vnode_chroot_t mpo_check_vnode_chroot;
mpo_check_vnode_create_t mpo_check_vnode_create;
mpo_check_vnode_delete_t mpo_check_vnode_delete;
mpo_check_vnode_deleteacl_t mpo_check_vnode_deleteacl;
mpo_check_vnode_deleteextattr_t mpo_check_vnode_deleteextattr;
mpo_check_vnode_exec_t mpo_check_vnode_exec;
mpo_check_vnode_getacl_t mpo_check_vnode_getacl;
mpo_check_vnode_getextattr_t mpo_check_vnode_getextattr;
mpo_placeholder_t _mpo_placeholder24;
mpo_check_vnode_link_t mpo_check_vnode_link;
mpo_check_vnode_listextattr_t mpo_check_vnode_listextattr;
mpo_check_vnode_lookup_t mpo_check_vnode_lookup;
mpo_check_vnode_mmap_t mpo_check_vnode_mmap;
mpo_check_vnode_mmap_downgrade_t mpo_check_vnode_mmap_downgrade;
mpo_check_vnode_mprotect_t mpo_check_vnode_mprotect;
mpo_check_vnode_open_t mpo_check_vnode_open;
mpo_check_vnode_poll_t mpo_check_vnode_poll;
mpo_check_vnode_read_t mpo_check_vnode_read;
mpo_check_vnode_readdir_t mpo_check_vnode_readdir;
mpo_check_vnode_readlink_t mpo_check_vnode_readlink;
mpo_check_vnode_relabel_t mpo_check_vnode_relabel;
mpo_check_vnode_rename_from_t mpo_check_vnode_rename_from;
mpo_check_vnode_rename_to_t mpo_check_vnode_rename_to;
mpo_check_vnode_revoke_t mpo_check_vnode_revoke;
mpo_check_vnode_setacl_t mpo_check_vnode_setacl;
mpo_check_vnode_setextattr_t mpo_check_vnode_setextattr;
mpo_check_vnode_setflags_t mpo_check_vnode_setflags;
mpo_check_vnode_setmode_t mpo_check_vnode_setmode;
mpo_check_vnode_setowner_t mpo_check_vnode_setowner;
mpo_check_vnode_setutimes_t mpo_check_vnode_setutimes;
mpo_check_vnode_stat_t mpo_check_vnode_stat;
mpo_check_vnode_write_t mpo_check_vnode_write;
mpo_associate_nfsd_label_t mpo_associate_nfsd_label;
mpo_create_mbuf_from_firewall_t mpo_create_mbuf_from_firewall;
mpo_init_syncache_label_t mpo_init_syncache_label;
mpo_destroy_syncache_label_t mpo_destroy_syncache_label;
mpo_init_syncache_from_inpcb_t mpo_init_syncache_from_inpcb;
mpo_create_mbuf_from_syncache_t mpo_create_mbuf_from_syncache;
mpo_priv_check_t mpo_priv_check;
mpo_priv_grant_t mpo_priv_grant;
};
/*
* 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
/*-
* The TrustedBSD MAC Framework has a major version number, MAC_VERSION,
* which defines the ABI of the Framework present in the kernel (and depended
* on by policy modules compiled against that kernel). Currently,
* MAC_POLICY_SET() requires that the kernel and module ABI version numbers
* exactly match. The following major versions have been defined to date:
*
* MAC version FreeBSD versions
* 1 5.x
* 2 6.x
* 3 7.x
*/
#define MAC_VERSION 3
#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, MAC_VERSION, \
MAC_VERSION, MAC_VERSION); \
DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \
SI_ORDER_MIDDLE)
int mac_policy_modevent(module_t mod, int type, void *data);
/*
* Policy interface to map a struct label pointer to per-policy data.
* Typically, policies wrap this in their own accessor macro that casts a
* uintptr_t to a policy-specific data type.
*/
intptr_t mac_label_get(struct label *l, int slot);
void mac_label_set(struct label *l, int slot, intptr_t v);
#endif /* !_SYS_SECURITY_MAC_MAC_POLICY_H_ */